CN102817618A - Double strand chain saw of tunnel construction pre-grooving tester - Google Patents

Abstract

A double-row chainsaw for a tunnel construction pre-grooving test machine, including a finished motor and a sequence switch. The finished motor and the rear-end connecting piece, the rear-end fixed connecting piece, and the front-end fixed connecting piece are fixed on the mounting plate. The finished motor is fixedly connected with the front section fixed connector. The rear end connecting piece is connected to the rear end of the macro electric push rod, and the front end of the macro electric push rod is connected to the electric chain saw switch through the front connecting piece with a gap. The output shaft of the finished motor is provided with two sprockets, and each sprocket is connected with a chain saw, and the chain saw is arranged in the chain saw groove of the web fixed with the motor. The micro-distance electric push rod can remotely control the operation motor to turn on, and the set sequence switch acts as a power failure insurance, ensuring the personal safety of the experimental staff when they are not performing experimental operations on the testing machine. It has high work efficiency in excavating tunnel pre-cut grooves, and can greatly improve the quality and progress of tunnel engineering.

Description

Double row chainsaw for tunnel construction pre-grooving test machine

technical field

The invention relates to a cutting chain saw, in particular to a double-row chain saw of a tunnel construction pre-grooving test machine for tunnel engineering.

Background technique

Pre-grooving machine is an advanced advance support technology for tunnel construction. It uses a special chain cutter to cut a narrow groove along the contour of the tunnel section. While cutting the narrow groove, pour concrete into the narrow groove to obtain The tunnel supports the prefabricated arches. The structure of the pre-cutting machine is simple and easy to combine with other tunnel construction methods, and it is very suitable for the construction of soft soil and sandy soil layers. Therefore, a further research and development of the pre-cutting machine technology has been carried out and a more advanced pre-cutting machine has been manufactured. waiting for solution. The pre-grooving model testing machine for tunnel construction is an important means to carry out in-depth research and development of pre-grooving mechanical technology and provide a theoretical basis for the manufacture of advanced pre-grooving machines.

Use pre-grooving machine, one of its key technologies is exactly to utilize electric chain saw to carry out tunnel excavation, and present known electric chain saw is a single row chain saw, promptly has only one cutting chain as cutting saw. When excavating soft soil with a cutting chain saw, the width of the cement pouring groove dug by a single row cutting chain saw is limited, and the chain saw needs to carry out several repeated excavation operations to meet the design requirements, which not only delays the construction time, Cause the waste of manpower and material resources again. Therefore develop a more advanced cutting chain saw and become a new research and development subject of pre-cutting machine.

Contents of the invention

The purpose of the present invention is to address the shortcomings of the existing pre-cutting mechanical technology, and provide a cutting chain saw that does not need to repeatedly dig the cement pouring groove, the width of the dug cement pouring groove can be in place at one time, the digging operation time is short, and it is safe to use Reliable duplex chainsaw for tunnel construction pre-grooving tester.

The purpose of the present invention can be achieved. The double-row chainsaw of the tunnel construction pre-grooving test machine of the present invention comprises a finished motor, a body and a connecting rod with a sequence switch fixed thereon. The double-row chainsaw of the tunnel construction pre-cutting test machine of the present invention is characterized in that: the finished motor and the body are fixed on the mounting plate, and the mounting plate is also fixedly connected with a rear-end connector, a rear-end fixed connector and a front section The fixed connector, the finished motor and the middle part of the body are fixed on the front fixed connector, the connecting rod on the finished motor and the body is fixed on the rear fixed connector, and the rear connector Connect the rear end of the macro electric push rod, the front end of the macro electric push rod is movably connected to the front connecting piece, a groove B is arranged in the middle of the front connecting piece, and an electric chainsaw switch is placed in the groove B , the front end connector is connected to the electric chainsaw switch with a gap, the electric chainsaw switch is connected to the finished motor and the body through a wire, and the output shaft of the finished motor and the body is connected through a half-round key and a drive shaft bearing Connect the transmission shaft, and the transmission shaft is equipped with a transmission shaft gasket, a sprocket, a spacer at the middle end of the sprocket, a sprocket and a transmission shaft gasket in sequence from the side of the transmission shaft bearing through key fit, and The shaft end nut is fixed on the transmission shaft bearing, and the chain saws are respectively connected to the sprockets.

The double-row chainsaw of the tunnel construction pre-groove testing machine of the present invention, wherein the two chainsaws are respectively set in the web or the chainsaw groove A of the web, and the front and middle parts of the two webs pass through the I connector It is fixed together by bolts, and the tail is fastened together with the II connector through bolts. The motor positioning groove D is provided on the web, and the motor positioning groove D is inserted into the finished motor and the positioning pin on the body. The chain saw or half of the chain saw is inside the chain saw slot A, and the half is outside the chain saw slot A, and the top ends of the two chain saws are respectively wrapped around the chain saw slot A at the end of the web. Among them, the lower ends respectively surround the sprockets.

In the double-row chainsaw of the tunnel construction pre-grooving test machine of the present invention, the finished motor and the machine body are fixedly connected to a protective plate, and are fixed to the bottom end of the web through the protective plate.

The double-row chainsaw of the tunnel construction pre-cutting test machine of the present invention, wherein the connecting rod is provided with a safety lock, the safety lock is formed by a large hole end and a small hole end, and the safety lock is formed by a large hole end There is a sequence switch in the big hole, and the end of the small hole is connected with the finished motor and the body. The internal thread of the big hole of the safety lock is connected with a safety pressing bolt, and the safety pressing bolt is in contact with the upper end of the sequence switch. The sequence switch, the power supply and the electric chain saw switch form a sequence working circuit.

In the double-row chainsaw of the tunnel construction pre-groove testing machine of the present invention, the front-end connecting piece has a back-and-forth linear micro-motion track relative to the switch of the electric chainsaw.

In the double-row chainsaw of the tunnel construction pre-groove testing machine of the present invention, the safety pressing bolt has a linear spiral movement track in the large hole of the safety lock.

In the double-row chain saw of the tunnel construction pre-cut testing machine of the present invention, the difference between the double-row chain saw of the tunnel construction pre-cut test machine of the present invention and the prior art lies in the double chain of the tunnel construction pre-cut test machine of the present invention There are two sets of chain saws in the saw device, which have high working efficiency and fast speed, and can greatly improve the quality and progress of the project. The macro-distance electric push rod is provided for remote control operation, and the safety pressing bolt is set to control the sequence switch so that the electric chain saw switch is in the state of power-off or power-on, which ensures that the experiment staff can not perform the experiment operation of the testing machine. unexpected safety hazards.

Below in conjunction with accompanying drawing, the double row chain saw of the tunnel construction pre-grooving testing machine of the present invention will be further described.

Description of drawings

Fig. 1 Front view of double-row chainsaw platform structure.

Fig. 2 Partial cross-sectional analysis diagram Ⅰ of double-row chainsaw platform structure.

Figure 3 Detailed view of I in Figure 2.

FIG. 4 is a partial cross-sectional detailed view of the output shaft of the motor in FIG. 2 .

Fig. 5 Partial cross-sectional analysis diagram II of the platform structure of the double-row chainsaw.

Figure 6 The left view of the platform structure of the double-row chainsaw.

Fig. 7 The right view I of the double-row chainsaw platform structure.

Fig. 8 Partial sectional analysis diagram III of double-row chainsaw platform structure.

Figure 9 is the right view II of the platform structure of the double-row chainsaw.

Detailed ways

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, and Fig. 8, the double row chain saw of the tunnel construction pre-grooving test machine of the present invention includes a finished motor and a body 2 and fixes its Connecting rod 30 with safety button 24 on. The finished motor and the body 2 are fixed on the mounting plate 1 . The rear end connector 5 , the rear end fixed connector 6 and the front fixed connector 19 are also fixedly connected to the mounting plate 1 . The finished product motor and the middle part of the body 2 are affixed on the front section fixed connector 19 by the front end connecting bolt 25 . The connecting rod 30 on the finished motor and the body 2 is affixed to the rear end fixed connector 6 through the tail end connecting bolt 29 . The rear connecting part 5 is connected to the rear end of the macro electric actuator 4 through M6x40 bolts 21 , and the front end of the macro electric actuator 4 is movably connected to the front connecting part 3 through M6x30 bolts 20 . A groove B is arranged in the middle of the front connecting piece 3, and an electric chainsaw switch 26 is disposed in the groove B. The front end connector 3 is connected with the electric chain saw switch 26 with a gap. Electric chain saw switch 26 is connected with finished product motor and body 2 by lead. The finished motor and the output shaft of the body 2 are connected to the transmission shaft 14 through the transition fit of the semicircular key 18 and the transmission shaft bearing 17. The transmission shaft gasket 12, Sprocket 13, sprocket mid-end spacer 16, sprocket 13-1 and transmission shaft gasket 12-1, and above-mentioned parts are fixed on the transmission shaft bearing 17 by shaft end nut 15. Chainsaws 31, 31-1 are respectively connected to the sprockets 13, 13-1.

As shown in Fig. 1 , Fig. 2 , Fig. 3 and Fig. 9, two chain saws 31, 31-1 are respectively arranged in the chain saw groove A of the web 9 or the web 9-1. The front and middle parts of the two webs 9, 9-1 are fixed together by bolts 10 through I connecting piece 11, and the tail is fastened together with II connecting piece 28 through four holes C1, C2, C3, and C4 and bolts. The web 9 is provided with a motor positioning groove D, and the motor positioning groove D is plugged with the positioning pin on the finished motor and the body 2 . Half of the chain saw 31 or chain saw 31-1 is inside the chain saw slot A, and half is outside the chain saw slot A. The top ends of the two chainsaws 31, 31-1 are respectively encircled on the chainsaw slots A on the upper ends of the webs 9, 9-1, and the lower ends are respectively encircled on the chain wheels 13, 13-1.

As shown in Fig. 1 and Fig. 7, the finished motor and the body 2 are fixed to the protective plate 8 through the protective plate fixing bolts 27, and are fixed to the bottom ends of the webs 9, 9-1 through the protective plate 8.

As shown in Fig. 1, Fig. 2, Fig. 5, Fig. 6 and Fig. 8, a safety lock 7 is provided on the connecting rod 30, and the safety lock 7 is formed by a large hole end and a small hole end. In the large hole of safety lock 7 large hole ends, sequence switch 24 is placed, and the aperture of small hole end is connected with finished product motor and body 2 by lock catch fixing bolt 22. In the large hole of the safety lock catch 7, a safety pressing bolt 23 is threaded. Safety pressing bolt (23) kisses with the electric door contact of sequence electric door 24 upper ends. The sequence switch 24 and the power supply and the electric chain saw switch 26 constitute a sequence operation circuit.

For the double-row chainsaw of the tunnel construction pre-groove testing machine of the present invention, the front-end connector 3 has a reciprocating linear micro-motion track relative to the electric chainsaw switch 26 . The micro-distance electric push rod 4 expands and contracts, drives the front-end connector 3 to move slightly up and down, and connects or disconnects the working circuit of the electric chain saw switch 26 .

In the double-row chainsaw of the tunnel construction pre-grooving testing machine of the present invention, the safety pressing bolt 23 has a linear spiral movement track in the large hole of the safety lock 7 . Before the double-row chainsaw of the tunnel construction pre-cutting test machine of the present invention works, the safety pressing bolt 23 is screwed in the large hole of the safety lock 7, and the sequence switch 24 is pressed downward to make it switch on the circuit, so that the double chainsaw can be started at any time. The work of the row chain saw; the work of the double row electric chain saw is completed, and the safety pressing bolt 23 is unscrewed, so that the sequence switch 24 is de-energized, so as to prevent accidental power-on when the double row chain saw is not working.

The above-mentioned embodiments are only descriptions of preferred implementations of the present invention, and are not intended to limit the scope of the present invention. Variations and improvements should fall within the scope of protection defined by the claims of the present invention.

Claims (6)

1. the double chain saw of a constructing tunnel precutting trough testing machine; Comprise finished product motor and body (2) and fix the connecting rod (30) that has order electric switch (24) on it; It is characterized in that: said finished product motor and body (2) are fixed on the installing plate (1); Also be connected with back end connection (5), rear end fixed connecting piece (6) and leading portion fixed connecting piece (19) on the said installing plate (1); Said finished product motor and body (2) middle part are fixed on the said leading portion fixed connecting piece (19); Connecting rod (30) on said finished product motor and the body (2) is fixed on the said rear end fixed connecting piece (6); Said back end connection (5) connects microspur electricity push rod (4) rear end; End connection (3) before said microspur electricity push rod (4) front end flexibly connects, said preceding end connection (3) middle is provided with a groove (B), is equipped with an electric chain saw switch (26) in the said groove (B); End connection (3) is gapped the connection with said electric chain saw switch (26) before said; Said electric chain saw switch (26) is connected with said finished product motor and body (2) through lead, and said finished product motor and body (2) output shaft are connected power transmission shaft (14) through woodruff key (18) with transmission shaft bearing (17), and said power transmission shaft (14) is gone up from said transmission shaft bearing (17) one sides and through the key cooperation power transmission shaft pad (12), sprocket wheel (13), sprocket wheel middle-end separator (16), sprocket wheel (13-1) and power transmission shaft pad (12-1) outwards is installed successively; And be fixed on the said transmission shaft bearing (17) through shaft end nut (15), be connected with chain saw (31,31-1) on the said sprocket wheel (13,13-1) respectively.

2. the double chain saw of constructing tunnel precutting trough testing machine according to claim 1; It is characterized in that: said two chain saws (31,31-1) are arranged in the chain kerf (A) of web (9) or web (9-1) separately; Said two webs (9,9-1) leading portion and middle part are fixed together by bolt (10) through I connector (11); Afterbody tightens together through bolt and II connector (28); Said web 9 is provided with motor locating slot (D); Said motor locating slot (D) is pegged graft with the alignment pin on said finished product motor and the body (2), and said chain saw (31) or chain saw (31-1) half one are in said chain kerf (A) inside, and half one is in chain kerf (A) outside; Said two chain saws (31,31-1) top is looped around respectively in the chain kerf (A) of said web (9,9-1) upper end, and the lower end is looped around respectively on the said sprocket wheel (13,13-1).

3. the double chain saw of constructing tunnel precutting trough testing machine according to claim 1 is characterized in that: said finished product motor and the affixed guard shield of body (2) (8), and the bottom through the affixed said web of guard shield (8) (9,9-1).

4. the double chain saw of constructing tunnel precutting trough testing machine according to claim 1; It is characterized in that: said connecting rod (30) is provided with insurance snap close (7); Said insurance snap close (7) is formed by big nose end and small bore end; Be equipped with order electric switch (24) in the macropore of the big nose end of said insurance snap close (7), small bore end is connected with finished product motor and body (2), and the macropore internal thread of said insurance snap close (7) connects an insurance and pushes bolt (23); Said insurance is pushed bolt (23) and is connect with said order electric switch (24) upper end electric switch contact kiss, and said order electric switch (24) constitutes the sequential working circuit with power supply and said electric chain saw switch (26).

5. according to the double chain saw of the described constructing tunnel precutting trough of claim 1-4 testing machine, it is characterized in that: the relative electric chain saw switch 26 of end connection (3) has a round straight line fine motion track before said.

6. according to the double chain saw of claim 1 or 4 described constructing tunnel precutting trough testing machines, it is characterized in that: bolt 23 has a straight line in the macropore of said insurance snap close (7) spiral movement locus is pushed in said insurance.

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