CN217683094U - Telescopic device - Google Patents
Telescopic device Download PDFInfo
- Publication number
- CN217683094U CN217683094U CN202221741345.9U CN202221741345U CN217683094U CN 217683094 U CN217683094 U CN 217683094U CN 202221741345 U CN202221741345 U CN 202221741345U CN 217683094 U CN217683094 U CN 217683094U
- Authority
- CN
- China
- Prior art keywords
- telescopic mechanism
- telescopic
- primary
- synchronous belt
- fixed
- 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.)
- Active
Links
- 230000001360 synchronised effect Effects 0.000 claims abstract description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 230000003321 amplification Effects 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 4
- 230000033764 rhythmic process Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Landscapes
- Transmission Devices (AREA)
Abstract
The invention provides a telescopic device, comprising: the device comprises a primary telescopic mechanism and a secondary telescopic mechanism, wherein the primary telescopic mechanism is connected with the secondary telescopic mechanism through a guide rail, and a driving device is arranged on the primary telescopic mechanism; the primary telescopic mechanism is provided with a front end wheel shaft and a rear end wheel shaft, synchronous belts are arranged on the front end wheel shaft and the rear end wheel shaft, one side of each synchronous belt is fixed to the lower portion of the driving device, and the other side of each synchronous belt is fixed to the upper portion of the secondary telescopic mechanism; the driving device drives the primary telescopic mechanism, and the primary telescopic mechanism drives the secondary telescopic mechanism to slide relatively along the guide rail through the synchronous belt. The invention realizes secondary expansion by adopting a mode of matching the air cylinder and the synchronous belt, guides by matching with the linear guide rail, realizes the stroke amplification of the expansion device and the reduction of the appearance length of the device, and simultaneously reduces the time required by the expansion of the device.
Description
Technical Field
The invention relates to the technical field of engineering equipment, in particular to a telescopic device.
Background
In the technical field of the existing engineering equipment, as the required arm extension stroke is longer, the time required for complete extension and retraction under the condition of long stroke is longer, the appearance of the extension and retraction device is longer, and the like; a longer profile of the telescopic device results in higher requirements for installation space and longer telescopic time. In view of the above technical shortcomings, it is necessary to provide a telescopic device with high efficiency, long stroke and small profile length.
Disclosure of Invention
Aiming at the technical problems, the technical scheme of the invention provides a telescopic device, which solves the technical problems that a telescopic mechanism in the prior art occupies a large space and needs long time for extension.
The technical scheme of the invention is as follows: a telescopic device comprising: the device comprises a primary telescopic mechanism and a secondary telescopic mechanism, wherein the primary telescopic mechanism is connected with the secondary telescopic mechanism through a guide rail, and a driving device is arranged on the primary telescopic mechanism; the primary telescopic mechanism is provided with a front end wheel shaft and a rear end wheel shaft, synchronous belts are arranged on the front end wheel shaft and the rear end wheel shaft, one side of each synchronous belt is fixed with the lower part of the driving device, and the other side of each synchronous belt is fixed on the upper part of the secondary telescopic mechanism; the driving device drives the primary telescopic mechanism, and the primary telescopic mechanism drives the secondary telescopic mechanism to slide relatively along the guide rail through the synchronous belt.
According to the technical scheme, the lower portion of the driving device is fixedly provided with the reference plate, one side of the synchronous belt is fixedly connected with the reference plate through the first fixing plate, the secondary telescopic mechanism is provided with the slide rail, and the driving device drives the synchronous belt to move through the reference plate, so that the primary telescopic mechanism moves along the slide rail.
According to the further optimization of the technical scheme, the driving device is an air cylinder, the air cylinder comprises a cylinder body and an expansion rod, and the lower end of the cylinder body is fixed with the first fixing plate.
According to the technical scheme, the second fixing plate is arranged at the upper part of the secondary telescopic mechanism, and one side of the synchronous belt is fixed on the secondary telescopic mechanism by the second fixing plate.
According to the technical scheme, the tail end of the telescopic rod of the air cylinder is fixed with the lower part of the secondary telescopic mechanism through a third fixing plate.
According to the further optimization of the technical scheme, the first fixing plate is fixed with the synchronous belt through the tooth-shaped locking block.
According to the technical scheme, the cylinder body is further optimized, the reference plate is fixed on the cylinder body, and the gap of the reference plate can accommodate the primary telescopic mechanism and the secondary telescopic mechanism.
According to the further optimization of the technical scheme, the upper end of the primary telescopic mechanism is also connected with an additional assembly, and the additional assembly comprises a drag chain.
According to the further optimization of the technical scheme, the main body of the primary telescopic mechanism is an aluminum profile, and the secondary telescopic mechanism is a square tube.
The beneficial effects brought by the technical scheme of the invention are as follows: the invention realizes secondary expansion by adopting a mode of matching the air cylinder and the synchronous belt, realizes the amplification of the stroke of the air cylinder during the expansion, and occupies smaller space in the appearance of the whole device during the recovery. On the premise of ensuring stability, accuracy and high efficiency, the required stroke of the cylinder is greatly reduced, and the required time of the device during stretching is also reduced.
Compared with a common telescopic device, the telescopic device shortens the telescopic rhythm, reduces the overall shape length of the device, reduces the cost required by driving the air cylinder, and realizes the technical breakthrough of quick telescopic and long-stroke telescopic.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the drawings.
FIG. 1 is a schematic diagram of the overall structure of the technical solution of the present invention;
FIG. 2 is an exploded view of the overall structure of the present invention;
FIG. 3 is a schematic view of the extending structure of the telescopic device according to the present invention;
in the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale. Description of reference numerals: 1-a first-stage telescoping mechanism; 2-a secondary telescoping mechanism; 3-a guide rail; 4-a cylinder; 41-cylinder body; 42-a telescoping rod; 5-front end wheel axle; 6-rear axle; 7-synchronous belt; 8-a first fixing plate; 9-a second fixing plate; 10-a slide rail; 11-a third fixing plate; 12-a reference plate; 13-drag chain.
Detailed Description
The invention will be further described with reference to fig. 1-3. It should be noted that "up", "down", "front" and "back" in the present invention are all expressed as relative position relationships between components, and are not absolute space concepts, and do not limit the present invention.
The telescopic mechanism aims to solve the technical problems that a telescopic mechanism in the prior art is large in occupied space and long in time required for stretching. The technical scheme of the invention is that the telescopic device comprises a primary telescopic mechanism 1 and a secondary telescopic mechanism 2, wherein the primary telescopic mechanism 1 is connected with the secondary telescopic mechanism 2 through a guide rail 3, and a cylinder 4 is arranged on the primary telescopic mechanism 1; the primary telescopic mechanism 1 is provided with a front end wheel shaft 5 and a rear end wheel shaft 6, a synchronous belt 7 is arranged on the front end wheel shaft 5 and the rear end wheel shaft 6, one side of the synchronous belt 7 is fixed with the lower part of the air cylinder 4, and the other side of the synchronous belt 7 is fixed on the upper part of the secondary telescopic mechanism 2; the cylinder 4 drives the synchronous belt 7, the synchronous belt 7 drives the primary telescopic mechanism 1 to slide relatively on the secondary telescopic mechanism 2 along the guide rail 3.
In a preferred embodiment of the present invention, the cylinder 4 includes a cylinder body 41 and an expansion link 42, the lower end of the cylinder body 41 is fixed to the first fixing plate 8, and the end of the expansion link 42 of the cylinder 4 is fixed to the lower portion of the secondary expansion mechanism 2 through a third fixing plate 11. Hold-in range 7 one side and 4 lower parts fixed connection first fixed plate 8 of cylinder, be provided with slide rail 10 on the second grade telescopic machanism 2, first fixed plate 8 is along slide rail 10 moves. And a second fixing plate 9 is arranged on the upper part of the secondary telescopic mechanism 2, and the other side of the synchronous belt 7 is fixed on the upper part of the secondary telescopic mechanism 2 by the second fixing plate 9.
In a preferred embodiment of the present invention, the first fixing plate 8 is fixed to the timing belt 7 by a tooth-shaped locking block, and the first fixing plate 8 is fixed to the reference plate 12. The cylinder body 41 is further fixed with a reference plate 12, and a gap of the reference plate 12 can accommodate the first-stage telescopic mechanism 1 and the second-stage telescopic mechanism 2. The upper end of the primary telescopic mechanism 1 is also connected with a drag chain 14 for connecting an electric circuit. One-level telescopic machanism main part 1 can be the aluminium alloy, second grade telescopic machanism 2 can be square tube structure, intensity is higher, it is also easy to draw materials.
The working principle of the invention is as follows, when the telescopic rod 42 of the air cylinder 4 extends, the cylinder body 41 drives the first fixing plate 8 to move upwards, and the first fixing plate 8 is fixed with the synchronous belt 7, so that the synchronous belt 7 is driven to move, and the synchronous belt 7 drives the primary telescopic mechanism 1 to move forwards along the guide rail 3. The invention realizes secondary expansion by adopting a mode that the air cylinder 4 is matched with the synchronous belt 7, and guides by matching with the slide rail 10, thereby realizing the stroke amplification of the whole expansion device and the reduction of the appearance length of the device, and simultaneously reducing the time required by the expansion of the device. On the premise of ensuring stability, accuracy and high efficiency, the required stroke of the cylinder is greatly reduced. Compared with a common telescopic device, the telescopic device shortens the telescopic rhythm, reduces the overall shape length of the device, reduces the cost required by driving the air cylinder, and realizes the technical breakthrough of quick telescopic and long-stroke telescopic.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. A telescopic device, characterized by comprising: the device comprises a primary telescopic mechanism and a secondary telescopic mechanism, wherein the primary telescopic mechanism is connected with the secondary telescopic mechanism through a guide rail, and a driving device is arranged on the primary telescopic mechanism; the primary telescopic mechanism is provided with a front end wheel shaft and a rear end wheel shaft, synchronous belts are arranged on the front end wheel shaft and the rear end wheel shaft, one side of each synchronous belt is fixed with the lower part of the driving device, and the other side of each synchronous belt is fixed on the upper part of the secondary telescopic mechanism; the driving device drives the primary telescopic mechanism, and the primary telescopic mechanism drives the secondary telescopic mechanism to slide relatively along the guide rail through the synchronous belt.
2. The telescopic device according to claim 1, wherein a reference plate is fixedly arranged at the lower part of the driving device, one side of the synchronous belt is fixedly connected with the reference plate by a first fixing plate, a slide rail is arranged on the secondary telescopic mechanism, and the driving device drives the synchronous belt to move through the reference plate, so that the primary telescopic mechanism moves along the slide rail.
3. The telescopic device according to claim 2, wherein the driving device is a cylinder, the cylinder comprises a cylinder body and a telescopic rod, and the lower end of the cylinder body is fixed with the reference plate.
4. The telescopic device according to claim 3, wherein a second fixing plate is provided at an upper portion of the secondary telescopic mechanism, and the second fixing plate fixes one side of the timing belt to the secondary telescopic mechanism.
5. The telescopic device according to claim 4, wherein the end of the telescopic rod of the cylinder is fixed to the lower part of the secondary telescopic mechanism by a third fixing plate.
6. The telescopic device as claimed in claim 2, wherein the first fixing plate is fixed to the timing belt by a tooth-type locking block.
7. The telescopic device according to claim 1, wherein an additional component is further connected to the upper end of the primary telescopic mechanism, and the additional component comprises a drag chain.
8. The telescopic device according to claim 1, wherein the primary telescopic mechanism body is an aluminum profile, and the secondary telescopic mechanism is a square tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221741345.9U CN217683094U (en) | 2022-07-05 | 2022-07-05 | Telescopic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221741345.9U CN217683094U (en) | 2022-07-05 | 2022-07-05 | Telescopic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217683094U true CN217683094U (en) | 2022-10-28 |
Family
ID=83715738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221741345.9U Active CN217683094U (en) | 2022-07-05 | 2022-07-05 | Telescopic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217683094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115978150A (en) * | 2022-12-02 | 2023-04-18 | 苏州镁伽科技有限公司 | Telescopic device |
-
2022
- 2022-07-05 CN CN202221741345.9U patent/CN217683094U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115978150A (en) * | 2022-12-02 | 2023-04-18 | 苏州镁伽科技有限公司 | Telescopic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102381642B (en) | Synchronous telescopic device | |
| CN217683094U (en) | Telescopic device | |
| CN205704276U (en) | Robot pipeline bag | |
| CN202465131U (en) | Synchronous telescopic device | |
| CN206429753U (en) | Single-stage two-way cylinder two-pass push pipe frame | |
| CN105406165B (en) | A kind of telescopic radar antenna backrest | |
| CN103406743B (en) | Automatic opening mechanism for automobile engine tile cover | |
| JP2000337309A (en) | Multi-stage extension cylinder | |
| CN218085780U (en) | Telescopic crawler | |
| CN219603123U (en) | Arm support telescopic mechanism | |
| DE602005026687D1 (en) | EXTENDABLE WORK PLATFORM, ESPECIALLY FOR A PASSENGER TRAIN | |
| CN103387132A (en) | Detaching mechanism for bar stocks | |
| CN215861593U (en) | Multistage sliding telescopic arm | |
| CN203614016U (en) | Scaling ladder telescopic mechanism for firefighting truck | |
| CN112607678A (en) | Four-section arm telescopic mechanism of overhead working truck | |
| CN115384645A (en) | Telescopic crawler | |
| CN209578729U (en) | A kind of high-voltage wiring harness tail-hood pushing in device | |
| CN223673596U (en) | A multi-stroke telescopic mechanism | |
| CN117626864A (en) | A kind of road anti-collision safety guardrail | |
| CN214653420U (en) | Telescopic operation platform for lifting platform | |
| CN104192496A (en) | Telescopic belt conveying frame compact in structure | |
| CN210733951U (en) | Wrecker of dull and stereotyped type that slides is folded and falls to ground entirely to sectional type | |
| CN203097736U (en) | Rope doubling feed mechanism | |
| CN210370719U (en) | Arch frame mounting machine sliding mechanism for tunnel | |
| CN202769056U (en) | Multistage transport system and aloft work engineering machinery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |