EP0475932A2 - Dispositif pour renforcer des dalles d'isolation dans de la maçonnerie - Google Patents

Dispositif pour renforcer des dalles d'isolation dans de la maçonnerie Download PDF

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Publication number
EP0475932A2
EP0475932A2 EP91890203A EP91890203A EP0475932A2 EP 0475932 A2 EP0475932 A2 EP 0475932A2 EP 91890203 A EP91890203 A EP 91890203A EP 91890203 A EP91890203 A EP 91890203A EP 0475932 A2 EP0475932 A2 EP 0475932A2
Authority
EP
European Patent Office
Prior art keywords
hammer
percussion
shaft
masonry
guide channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP91890203A
Other languages
German (de)
English (en)
Other versions
EP0475932B2 (fr
EP0475932A3 (en
EP0475932B1 (fr
Inventor
Herwig Dipl.-Ing. Haböck
Bruno Dipl.Volkswirt Weinzierl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3522739&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0475932(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP0475932A2 publication Critical patent/EP0475932A2/fr
Publication of EP0475932A3 publication Critical patent/EP0475932A3/de
Application granted granted Critical
Publication of EP0475932B1 publication Critical patent/EP0475932B1/fr
Publication of EP0475932B2 publication Critical patent/EP0475932B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/02—Percussive tool bits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/28—Supports; Devices for holding power-driven percussive tools in working position
    • B25D17/32—Trolleys

Definitions

  • the invention relates to a device for hammering insulating plates into masonry, with a pneumatically, hydraulically or electrically driven hammer, the percussion piston via an intermediate piece, which acts as a clamping jaw with a shaft adjoining the percussion piston and guided in a guide channel of the hammer and the Is beak insulating plate formed, acts on an end face of the insulating plates, which consist of profiled, preferably corrugated plates made of steel or hard plastic.
  • a hammer is used for this purpose, which acts on an end face of the insulating plates via an intermediate piece.
  • the intermediate piece as a clamping jaw with one adjoining the percussion piston of the percussion hammer Shaft and a beak receiving the insulating plates is formed. It is necessary to adapt the shaft of the clamping jaw guided in the hammer to the guide channel of the hammer.
  • the conventional percussion hammers mostly pneumatic hammers, have a guide channel with a mostly hexagonal, relatively small cross-section at their insertion end that receives the tool. Round cross-sections of similar dimensions are rarely used.
  • the shanks of the clamping jaws could therefore only be designed with a correspondingly small cross section so that they fit into the existing guide channels. In the case of hexagonal guide channels, this results in a smaller load-bearing cross section of the shaft, since this has to be inscribed in the hexagonal profile.
  • these conditions repeatedly lead to breaks in the relatively expensive tools.
  • the known impact hammers are also provided with a device that secures the tool inserted into the guide channel against falling out.
  • This can be a ball ratchet in which spring-loaded balls or similar locking pieces snap into a groove in the tool shank, or a mechanical snap lock that engages with hook-shaped levers on a collar or a shoulder of the tool.
  • the tool shank is provided with a collar which, at the end of the stroke of the tool, strikes a cap which is placed or screwed onto the end of the impact device.
  • the US-PS 2 685 274 describes an embodiment in which a collar made of elastic material is attached to the tool shaft, which not only secures the tool against falling out but also dampens its impact at the stroke end on the cap and on the hammer at the entrance of the guide channel .
  • the tool shaft is designed with the same diameter over its entire length and the elastic collar or collar is glued to the tool shaft or vulcanized.
  • the end of the tool shank protruding from the device is designed as a chisel. Because of the device for securing the tool against falling out, the known impact hammers are relatively long. In particular, the tool shank, which must be of the appropriate length, also projects over the hammer.
  • the invention has for its object to provide a simplified and significantly reduced device for wrapping insulating panels in masonry, which even in limited spaces, e.g. can be used in narrow aisles, but still allows the panels to be driven in properly, is robust and can be used universally.
  • this object is achieved in that the guide channel in the percussion hammer for the shank of the clamping jaw in a known manner in percussion hammers with a device for securing the tool shank against falling out in a cylindrical manner with only a little smaller Diameter is designed as the percussion piston and the shaft has the same diameter from the percussion piston to the transition point in the jaw of the clamping jaw without heel, and that the guide channel is shortened with the omission of a device for securing the tool against falling out.
  • the design according to the invention initially enables the tool shank to be shortened and to have a stronger cross-section, which, in conjunction with the constant diameter over its entire length, significantly increases its resistance to the impact stress that occurs and largely eliminates the risk of breakage.
  • the guide channel of the impact hammer can be enlarged or drilled out compared to the previously used designs.
  • the tool shank can also be shortened so far apart from the training with a larger diameter that the beak receiving the insulating plates at the front end of the shank is as close as possible to the guide channel of the hammer for the shank or directly adjoins its outer end.
  • a robust clamping jaw is thereby obtained, which can safely cope with the hard blows, the bending stresses and the twists which occur due to the relatively wide beak which is necessary for the alignment and guiding of the insulating plates when driving in.
  • a preferred embodiment of the device according to the invention is that it is made from a conventional hammer by shortening, e.g. by cutting off a part of the tool guide projecting above the percussion piston and by enlarging the guide channel, in particular if the hexagonal guide is present, into a cylindrical shape.
  • the device for securing the tool against falling out, which is present on the conventional impact hammers, is removed and the overall length of the impact hammer is thereby considerably shortened. This measure enables the device according to the invention to be produced in a simple and particularly inexpensive manner from a commercially available conventional hammer.
  • the device according to the invention can not only be used for designs in which the shaft and the beak of the clamping jaws consist of one piece. With the same advantage, it is possible according to the invention that the shaft inserted into the guide channel in the percussion hammer is separated from the jaw of the clamping jaw and with its preferably slightly tapered end into a recess of the beak engages with play. The shaft is separated from the beak from the outset, which further reduces the risk of breakage at the transition point, which is particularly at risk.
  • the impact hammer which is shortened without tool locking, can be arranged on a wheeled undercarriage with a horizontally extending axis so as to be stationary, but adjustable in the vertical direction. It is a simple, mobile frame for the shortened percussion hammer, on which it is only mounted adjustable in the vertical direction.
  • the support of the device, the feed movement when driving in the plates and the lateral displacement before driving in a new plate are carried out by moving the chassis with the help of its wheels and thus in a particularly simple manner. This can be done manually by an operator. Since, apart from the vertical adjustment, no further devices for moving the impact hammer are required and the impact hammer used is short, the chassis according to the invention is simple, small and mobile, so that it can be used practically anywhere, especially even in confined spaces.
  • a pneumatic or hydraulic actuating cylinder can be arranged on the chassis, by means of which the chassis can be displaced with the percussion hammer against the masonry, the actuating cylinder being supported against the masonry by means of an extendable support leg or via a fixed connection to the masonry Traction device is connected to this.
  • This simple additional device is used to reliably hit the hammer with the tool when driving in the plates to support and possibly also to perform the feed movement, so that practically every major physical effort to operate the device according to the invention is eliminated for the operator.
  • FIG. 1 shows a partially cut-away top view of a conventional device for wrapping insulating panels into masonry
  • FIG. 2 shows a section along the line II-II in FIG. 1.
  • FIG. 3 shows one of the representations in FIG. 1 4 shows a section along the line IV-IV in FIG. 3.
  • FIGS. 5 and 6 show details of variants of the tools, each in section. 7, 8 and 9 illustrate an embodiment of the device according to the invention with a chassis for holding the percussion hammer, FIGS. 7 and 8 showing two variants in side view and FIG. 9 a partially sectioned front view of the chassis.
  • the device shown in Fig. 1 consists of an impact hammer 1 with an impact piston 2 displaceable therein, which e.g. is pneumatically driven.
  • the percussion piston 2 acts on a corrugated insulating plate 4 via an intermediate piece designed as a clamping jaw 3.
  • a switch-on lever 5 At the other end of the percussion hammer 1 there is a switch-on lever 5.
  • the drive air is supplied via a pressure hose 6.
  • the impacts carried out by the percussion piston 2 are via the clamping jaw 3 transferred to the insulating plate 4, which is thereby driven into the masonry.
  • the clamping jaw 3 consists of a shaft 7 and an adjoining beak 8.
  • the shaft 7 is of relatively long design, is guided in a guide channel 9 of the hammer 1 in the axial direction and is provided with a shoulder 10 in its central part.
  • the stronger section 11 of the shaft 7 is with a relatively large game from a funnel-shaped extension 12 of the housing of the hammer 1 includes.
  • this funnel-shaped extension 12 there are anchoring devices for the connected tool in the conventional impact hammers, which prevent it from being unintentionally released from the impact hammer and falling out.
  • the shaft 7 and the associated guide channel 9 together with the funnel-shaped extension 12 are relatively long, so that the device as a whole has a relatively large length. In practice, this means that a correspondingly large working width is required in order to work properly with the device. However, the required working width is not available in many houses, e.g. in narrow corridors, stairwells and the like. In addition, the long and relatively thin shaft 7 of the clamping jaw 3 tends to break, especially in the area of the heel 10, where notch effects cannot be completely eliminated.
  • FIG. 3 shows an exemplary embodiment of the device according to the invention in the same representation as the conventional device in FIG. 1.
  • a tool consisting of a clamping jaw 3 is attached to the percussion hammer 1 with the percussion piston 2, the shaft 7 of which slides in a guide channel 9 of the percussion hammer 1.
  • the funnel-shaped enlargement 12 adjoining the guide channel 9 in FIG. 1, however, has completely disappeared.
  • the housing of the hammer 1 and the shaft 7 are correspondingly shorter.
  • the shaft 7 has a considerably larger diameter than in FIG. 1.
  • the guide channel 9 is cylindrical with only a little smaller diameter than that Percussion piston 2 is formed, whereby the larger cross section of the shaft 7 is made possible.
  • the shaft 7 also has the same diameter from the percussion piston 2 to the transition point in the beak 8 of the clamping jaw 3 without a shoulder.
  • the percussion hammer according to the invention according to FIG. 3 can be produced in a simple manner in that the part of the housing of the percussion hammer 1 facing the clamping jaw 3 is cut off in part and the percussion hammer is thereby considerably shortened. Then it is then only necessary to drill out the guide channel 9, which is usually hexagonal in conventional designs, with the largest possible diameter.
  • the shaft 7 of the clamping jaw 3 can then also be shortened and designed with a correspondingly larger diameter without a shoulder, as a result of which considerable mechanical reinforcement is achieved and breaks are largely eliminated.
  • the same tool can be used for all hammers, which makes stockkeeping much easier.
  • the shortening of the shaft 7 also makes the clamping jaw 3 lighter, as a result of which the impact energy exerted on it by the hammer 1 is transmitted to the insulating plate 4 with greater efficiency.
  • the clamping jaw 3 is of divided design.
  • the shaft 7 inserted into the guide channel 9 in the percussion hammer 1 is separated from the beak 8 of the clamping jaw 3 and, with its slightly tapered end 13, is inserted into a recess 14 in the beak 8 with play.
  • a connecting sleeve 15 is provided, which has a continuous channel 16 which is offset approximately in the middle. The shaft 7 engages in this connecting sleeve 15 from one end (from the left in the drawing), and with the other end the connecting sleeve 15 is pushed onto an extension 17 of the beak 8.
  • the chassis 18 shown in FIGS. 7, 8 and 9 consists of four tubular uprights 19 which are connected to one another by longitudinal members 20 and cross members 21 and have wheels 22 aligned at their lower ends in the longitudinal direction of the chassis 18.
  • a bracket 23 and bearing blocks 24, 24 'and 24 ⁇ which are shown in Fig. 9, a hammer 1 and a pneumatic or hydraulic actuating cylinder 25 are attached, as shown in FIGS. 7 and 8 .
  • the height is adjusted with the aid of a spindle 26 shown in FIG. 9, which can be rotated in a nut 28 with the aid of a crank 27.
  • the nut 28 is fastened to the upper end of an adjusting tube 29 which is inserted concentrically into the tubular upright 19 and at the lower end of which a wheel 22 is arranged.
  • an adjusting tube 29 which is inserted concentrically into the tubular upright 19 and at the lower end of which a wheel 22 is arranged.
  • the use of the chassis 18 provided according to the invention can be seen from FIGS. 7 and 8.
  • the chassis 18 is directed with one of its end faces onto a masonry 30 into which insulating plates 4 are to be driven horizontally.
  • the insulating plates 4 are held in a clamping jaw 3, the shaft 7 of which, as shown in FIG. 3, is displaceably guided in the guide channel 9 of the hammer 1.
  • the insulating plates 4 are aligned with the wall joint 31 into which they are to be driven. The exact alignment is carried out by adjusting the height of the chassis 18 with the help of the cranks 27.
  • the insulating plates 4 are driven into the wall joints 31 with the help of the hammer 1 and by a feed movement of the chassis 18 in the direction of the masonry 30.
  • the feed movement when driving the insulating plates 4 into the masonry 30 can be carried out manually by a worker. Since this requires a relatively large effort, according to the invention, the pneumatic or hydraulic actuating cylinder 25 is provided for this purpose. 7 tightens a rope 33 via a deflection roller 32, the end of which is suspended by a hook 34 in a pipe 35 which is anchored to the masonry 30, e.g. is fixed by dowels 36. In this simple manner, the feed movement can be effected with the aid of the actuating cylinder 25, a relatively large feed path being possible because the feed corresponds to twice the piston stroke of the actuating cylinder 25 due to the cable 33 being guided over the deflection roller 32.
  • the actuating cylinder 25 acts directly on a support rod 38 rigidly attached to it or via a joint 37, the free end of which is firmly supported on a wall 40 via an enlarged shoe 39.
  • the support rod 38 can be telescopically extendable, e.g. with the help of spaced bores, which are provided in telescopically telescoped rod parts, which are interconnected by a bolt passing through the bores.
  • the support rod 38 can also be anchored to the floor with its shoe 39, e.g. by driving in concrete iron and the like. in the ground on which a post is supported.
  • the feed movement of the chassis 18 takes place when the insulating plates 4 are knocked into the masonry 30 by the actuating cylinder 25, the possible feed distance being able to be increased practically as desired by a corresponding extension of the support rod 38.
  • the chassis 18 is withdrawn from the masonry 30 either by hand or by reversing the actuating cylinder 25 and laterally offset by the width of the insulating plate 4, after which a new one is inserted Insulating plate 4 in the clamping jaw 3 this is driven into the masonry 30 in the manner described.
  • the device according to the invention is relatively simple, has small dimensions and is also easy to use. In principle, it can be used universally, but due to its special properties it is particularly suitable for use in limited spatial conditions, e.g. in basements, narrow corridors and in other inaccessible places, whereby their easy portability is a further advantage.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Building Environments (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Patch Boards (AREA)
  • Processing Of Solid Wastes (AREA)
  • Retaining Walls (AREA)
  • Inorganic Insulating Materials (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Insulating Of Coils (AREA)
  • Refrigerator Housings (AREA)
  • Press Drives And Press Lines (AREA)
  • Paper (AREA)
  • Multi-Conductor Connections (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
EP91890203A 1990-09-14 1991-09-11 Dispositif pour renforcer des dalles d'isolation dans de la maçonnerie Expired - Lifetime EP0475932B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT1868/90 1990-09-14
AT0186890A AT397362B (de) 1990-09-14 1990-09-14 Vorrichtung zum einschlagen von isolierplatten in mauerwerk
AT186890 1990-09-14

Publications (4)

Publication Number Publication Date
EP0475932A2 true EP0475932A2 (fr) 1992-03-18
EP0475932A3 EP0475932A3 (en) 1993-03-03
EP0475932B1 EP0475932B1 (fr) 1995-01-11
EP0475932B2 EP0475932B2 (fr) 1999-08-11

Family

ID=3522739

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91890203A Expired - Lifetime EP0475932B2 (fr) 1990-09-14 1991-09-11 Dispositif pour renforcer des dalles d'isolation dans de la maçonnerie

Country Status (13)

Country Link
EP (1) EP0475932B2 (fr)
CN (1) CN1027875C (fr)
AT (2) AT397362B (fr)
CZ (1) CZ284110B6 (fr)
DE (2) DE9116694U1 (fr)
DK (2) DK158091A (fr)
HR (1) HRP930988B1 (fr)
HU (1) HU208855B (fr)
PL (1) PL166886B1 (fr)
RU (1) RU2046173C1 (fr)
SI (1) SI9111514B (fr)
SK (1) SK279860B6 (fr)
YU (1) YU151491A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023168466A1 (fr) * 2022-03-10 2023-09-14 Faul Bernhard Plaque à enfoncer dans une structure de maçonnerie

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401248B (de) * 1994-11-23 1996-07-25 Haboeck Herwig Vorrichtung zum einschlagen von isolierplatten in mauerwerk
RU2234578C2 (ru) * 2002-11-12 2004-08-20 Санкт-Петербургский государственный архитектурно-строительный университет Устройство для забивки металлических листов в горизонтальный шов кирпичной кладки
CN100404090C (zh) * 2003-02-24 2008-07-23 吴彩云 麻将牌的制造设备
RU2261961C1 (ru) * 2004-04-16 2005-10-10 Кармадонов Сергей Витальевич Многослойная стена здания
CN110058295A (zh) * 2018-11-01 2019-07-26 包头市震宇机械制造有限责任公司 一种气动冲击震源

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2114503A (en) * 1935-10-14 1938-04-19 Penglase Joseph Rivet set retaining collar
GB606543A (en) * 1946-02-13 1948-08-16 Frederick Leslie Ballard Improvements in chisels for sculptors, stonemasons and others working in stone
US2685274A (en) * 1951-04-12 1954-08-03 Phyllis E Liddicoat Pneumatic tool
AT335689B (de) * 1975-08-21 1977-03-25 Haboeck Herwig Verfahren zum trockenlegen feuchter mauern
AT364149B (de) * 1980-05-16 1981-09-25 Haboeck Herwig Vorrichtung zum einschlagen von isolierplatten in mauerwerk
AT364150B (de) * 1980-05-16 1981-09-25 Haboeck Herwig Traggestell fuer einen schlaghammer zum einschlagen von isolierplatten in mauerwerk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023168466A1 (fr) * 2022-03-10 2023-09-14 Faul Bernhard Plaque à enfoncer dans une structure de maçonnerie

Also Published As

Publication number Publication date
AT397362B (de) 1994-03-25
CZ284110B6 (cs) 1998-08-12
DE9116694U1 (de) 1993-07-01
HU912966D0 (en) 1992-03-30
PL166886B1 (pl) 1995-06-30
ATE116890T1 (de) 1995-01-15
DK0475932T3 (da) 1995-06-26
YU151491A (sh) 1995-03-27
EP0475932B2 (fr) 1999-08-11
HRP930988A2 (en) 1995-10-31
HRP930988B1 (en) 1998-10-31
CS282991A3 (en) 1992-03-18
DK158091D0 (da) 1991-09-09
EP0475932A3 (en) 1993-03-03
PL291624A1 (en) 1992-03-23
CN1027875C (zh) 1995-03-15
DK0475932T4 (da) 1999-12-13
HUT60361A (en) 1992-08-28
CN1061553A (zh) 1992-06-03
HU208855B (en) 1994-01-28
ATA186890A (de) 1993-08-15
SI9111514A (en) 1997-08-31
SK279860B6 (sk) 1999-04-13
SI9111514B (sl) 2000-08-31
EP0475932B1 (fr) 1995-01-11
DE59104222D1 (de) 1995-02-23
DK158091A (da) 1992-03-15
RU2046173C1 (ru) 1995-10-20

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