CN218324893U - Sliding device for sliding seat of arch frame operation trolley - Google Patents
Sliding device for sliding seat of arch frame operation trolley Download PDFInfo
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- CN218324893U CN218324893U CN202123231615.XU CN202123231615U CN218324893U CN 218324893 U CN218324893 U CN 218324893U CN 202123231615 U CN202123231615 U CN 202123231615U CN 218324893 U CN218324893 U CN 218324893U
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Abstract
The utility model discloses an arch centering operation platform truck seat slider that slides, including sub vehicle frame, the seat that slides, hydro-cylinder and loose pulley assembly slide, the seat that slides locates sub vehicle frame top and sub vehicle frame axial displacement relatively, and its both ends are connected respectively between seat and sub vehicle frame of sliding after hydro-cylinder and loose pulley assembly link to each other for drive the seat that slides axial round trip movement on the sub vehicle frame. The utility model provides an arch centering operation platform truck sliding seat displacement device, through connecting in the sub vehicle frame and sliding between the sliding cylinder and the sliding seat pulley block to drive the sliding seat on the sub vehicle frame to the axial to-and-fro movement, simple structure, low cost; the maintenance is convenient and the sliding can be carried out in a large distance.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, especially, disclose an arch centering operation platform truck seat displacement device that slides.
Background
The arch frame operation trolley needs to be provided with a sliding seat, and the sliding of the sliding seat is a difficult point in the prior art. The existing manufacturers adopt a gear and rack structure, gears need to be driven by a speed reducer driven by a hydraulic motor, and the structure is complex, the manufacturing cost is high, and the maintenance difficulty is high. And the gear and the rack are required to be tightly matched, so that the manufacturing difficulty is further increased.
The sliding brake of the sliding seat is realized by the brake characteristic of the speed reducer, only a single brake is needed, and the consequences can be imagined if the brake fails during construction or transportation. The brake of the sliding seat is mainly braked by the brake of the speed reducer, the brake is single, double protection is not provided, and if the brake fails, the whole vehicle can overturn and casualties can be caused.
The prior art also has the problem that the sliding action of the existing sliding seat is realized by the thrust of a single-stage oil cylinder, the stroke of the sliding seat is the same as the stroke distance of the sliding oil cylinder, and the sliding seat cannot slide at a large distance, so that the working range of the sliding seat is limited.
The existing arch frame operation trolley sliding seat has the technical problems of complex structure, higher manufacturing cost, large maintenance difficulty and incapability of sliding for a large distance, and is an urgent need to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides an arch centering operation platform truck seat displacement device that slides aims at solving the technical problem that the structure that current arch centering operation platform truck seat of sliding exists is complicated, the cost is higher, the maintenance degree of difficulty is big and can not slide by the large distance.
The utility model relates to an arch centering operation platform truck seat slide device that slides, including sub vehicle frame, the seat that slides, hydro-cylinder and loose pulley assembly slide, the seat that slides locates sub vehicle frame top and sub vehicle frame axial displacement relatively, and its both ends are connected respectively between seat and sub vehicle frame of sliding after hydro-cylinder and loose pulley assembly link to each other for drive slide seat axial round trip movement on the sub vehicle frame.
Furthermore, the auxiliary frame is provided with a slide rail, and the sliding seat is correspondingly provided with a roller matched with the slide rail.
The pulley assembly comprises a movable pulley set, a first fixed pulley set, a second fixed pulley set, a retracting steel wire rope set and an extending steel wire rope set, the movable pulley set is arranged in the middle of the auxiliary frame, the first fixed pulley set is arranged at the rear end of the auxiliary frame, the second fixed pulley set is arranged at the front end of the auxiliary frame, one end of the retracting steel wire rope set is fixed at the front end of the sliding seat and arranged around the second fixed pulley set and the movable pulley set, and the other end of the retracting steel wire rope set is fixed at the front end of the middle of the auxiliary frame; one end extending out of the steel wire rope group is fixed at the rear end of the sliding seat and arranged around the first fixed pulley block and the movable pulley block, and the other end extending out of the steel wire rope group is fixed at the middle rear end of the auxiliary frame.
Furthermore, a first fixed pulley mounting seat is arranged at the rear end of the auxiliary frame, a second fixed pulley mounting seat is arranged at the front end of the auxiliary frame, and a first fixed pulley block is mounted on the first fixed pulley mounting seat; the second fixed pulley block is arranged on the second fixed pulley mounting seat.
Furthermore, the movable pulley block comprises a movable pulley frame, a first movable pulley and a second movable pulley, the first movable pulley and the second movable pulley are arranged on the movable pulley frame, the first movable pulley is close to the first fixed pulley block, the second movable pulley is close to the second fixed pulley block, the retracted steel wire rope group surrounds the second movable pulley, and the extended steel wire rope group surrounds the first movable pulley.
Further, the connection ends of the retracted steel wire rope group and the extended steel wire rope group are long screws for adjusting the tightness of the steel wire ropes.
Furthermore, one end of the sliding oil cylinder is fixed at the front end of the auxiliary frame, and the other end of the sliding oil cylinder is connected with the movable pulley block.
Furthermore, sliding blocks are arranged on two sides of the movable pulley block and are arranged in sliding rails of the auxiliary frame.
Furthermore, a brake oil cylinder is arranged on the sliding seat, a brake pad is arranged at the top end of a piston rod on the brake oil cylinder, when the sliding seat stops, oil enters a rodless cavity of the brake oil cylinder, and the brake pad is pressed on the surface of a slide rail on the auxiliary frame; when the sliding seat slides, the rod cavity of the brake oil cylinder is filled with oil, and the brake pad is far away from the surface of the sliding rail on the auxiliary frame.
Furthermore, the sliding oil cylinder is provided with a hydraulic lock, and the hydraulic lock is connected with the brake oil cylinder through an oil way and used for controlling the brake oil cylinder to stop at a set position.
The utility model discloses the beneficial effect who gains does:
the utility model provides an arch centering operation platform truck seat slider that slides adopts the sub vehicle frame, slides the seat, slides hydro-cylinder and loose pulley assembly, and the seat that slides is located sub vehicle frame top and sub vehicle frame axial displacement relatively, and its both ends are connected respectively between seat and sub vehicle frame of sliding after hydro-cylinder and loose pulley assembly link to each other for drive slide seat axial round trip movement on the sub vehicle frame. The utility model provides an arch centering operation platform truck sliding seat displacement device, through connecting in the sub vehicle frame and sliding between the sliding cylinder and the sliding seat pulley block to drive the sliding seat on the sub vehicle frame to the axial to-and-fro movement, simple structure, low cost; the maintenance is convenient and the sliding can be carried out in a large distance.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of a sliding seat sliding device of an arch frame operation trolley according to the present invention;
fig. 2 is a schematic structural view of an embodiment of the brake cylinder shown in fig. 1.
The reference numbers illustrate:
10. an auxiliary frame; 20. a sliding seat; 30. a sliding oil cylinder; 40. a sheave assembly; 41. a movable pulley block; 42. a first fixed pulley block; 43. a second fixed pulley block; 44. retracting the wire rope group; 45. stretching out the steel wire rope group; 11. a first fixed pulley mounting seat; 12. a second fixed pulley mounting seat; 411. a movable pulley frame; 412. a first movable pulley; 413. a second movable pulley; 13. a slider; 50. a brake cylinder; 60. a brake pad.
Detailed Description
In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.
As shown in fig. 1 and fig. 2, the utility model discloses a first embodiment provides an arch centering operation platform truck seat displacement device that slides, including sub vehicle frame 10, the seat 20 that slides, the hydro-cylinder 30 that slides and loose pulley assembly 40, the seat 20 that slides is located sub vehicle frame 10 top and can be relative sub vehicle frame 10 axial displacement, and its both ends are connected respectively between the seat 20 that slides and sub vehicle frame 10 after the hydro-cylinder 30 that slides and loose pulley assembly 40 link to each other for drive the seat 20 that slides axial round trip movement on sub vehicle frame 10. In this embodiment, the subframe 10 is provided with a slide rail, and the sliding seat 20 is correspondingly provided with a roller engaged with the slide rail. The pulley assembly 40 may adopt a movable pulley, a fixed pulley, or a combination of a movable pulley and a fixed pulley, and so on, and all fall within the protection scope of the present patent.
In the above structure, please refer to fig. 1, in the sliding seat sliding device of the arch truss operation trolley provided in this embodiment, the pulley assembly 40 includes a movable pulley block 41, a first fixed pulley block 42, a second fixed pulley block 43, a retraction wire rope block 44 and an extension wire rope block 45, the movable pulley block 41 is disposed in the middle of the subframe 10, the first fixed pulley block 42 is disposed at the rear end of the subframe 10, the second fixed pulley block 43 is disposed at the front end of the subframe 10, one end of the extension wire rope block 45 is fixed at the front end of the sliding seat 20 and is disposed around the second fixed pulley block 43 and the movable pulley block 41, and the other end of the extension wire rope block 45 is fixed at the middle front end of the subframe 10; one end of the extended steel wire rope set 45 is fixed at the rear end of the sliding seat 20 and is arranged around the first fixed pulley block 42 and the movable pulley block 41, and the other end of the extended steel wire rope set 45 is fixed at the middle rear end of the auxiliary frame 10. In the embodiment, the retraction of the sliding cylinder 30 can be freely adjusted by adjusting the retracting wire rope set 44 on the pulley assembly 40; the stretching of the sliding oil cylinder 30 can be freely adjusted by adjusting the extending steel wire rope group 45 on the pulley component 40; and through the regulation of the steel wire rope group, the stroke of the sliding oil cylinder only needs to be set to be half of that of the sliding seat, so that the requirement can be met, the space is more abundant, and the manufacturing cost of the oil cylinder is further saved. The telescopic steel wire rope groups all pass through the movable pulley block, and the push-pull force of the sliding oil cylinder 30 is only half of the friction force of the sliding seat, so that time and labor are saved. The sliding device for the sliding seat of the arch center operation trolley provided by the embodiment has the advantages of simple structure and low manufacturing cost; the maintenance is convenient and the sliding can be carried out in a large distance.
Further, referring to fig. 1 and fig. 2, in the sliding device for the sliding seat of the arch centering operation trolley according to the present embodiment, a first fixed pulley mounting seat 11 is disposed at the rear end of the auxiliary frame 10, a second fixed pulley mounting seat 12 is disposed at the front end of the auxiliary frame 10, and a first fixed pulley block 42 is mounted on the first fixed pulley mounting seat 11; the second fixed pulley group 43 is mounted on the second fixed pulley mounting base 12. The movable pulley block 41 includes a movable pulley frame 411, and a first movable pulley 412 and a second movable pulley 413 disposed on the movable pulley frame 411, the first movable pulley 412 is disposed near the first fixed pulley block 42, the second movable pulley 413 is disposed near the second fixed pulley block 43, the retraction wire rope set 44 surrounds the second movable pulley 413, and the extension wire rope set 45 surrounds the first movable pulley 412. The connection ends of the retracted wire rope group 44 and the extended wire rope group 45 are both long screws for adjusting the tightness of the wire ropes. One end of the sliding oil cylinder 30 is fixed at the front end of the auxiliary frame 10, and the other end of the sliding oil cylinder 30 is connected with the movable pulley block 41. In this embodiment, through adjusting long screw, just can adjust wire rope's elasticity, adjust and easy maintenance and can slide by the great distance.
Preferably, referring to fig. 1 and 2, in the sliding device for the sliding seat of the arch centering operation trolley according to the embodiment, the sliding blocks 13 are arranged on both sides of the movable pulley block 41, and the sliding blocks 13 are disposed in the sliding rails of the subframe 10. The sliding oil cylinder 3 can be ensured to be in a horizontal position, and the movable pulley block 5 can only move back and forth.
Further, referring to fig. 1 and fig. 2, in the sliding seat sliding device of the arch operation trolley according to the embodiment, the sliding seat 20 is provided with a brake cylinder 50, a brake pad 60 is arranged at the top end of a piston rod on the brake cylinder 50, when the sliding seat 20 stops, a rod-free cavity of the brake cylinder 50 is filled with oil, and the brake pad 60 presses against the surface of a slide rail on the subframe 10; when the sliding seat 20 slides, the rod cavity of the brake cylinder 50 is filled with oil, and the brake pad 60 is far away from the surface of the sliding rail on the auxiliary frame 10. The sliding cylinder 30 is provided with a hydraulic lock, and the hydraulic lock is connected with the brake cylinder 50 through an oil path and used for controlling the brake cylinder 50 to stop at a set position. The sliding seat 20 is provided with two brake cylinders 50, the piston rods of the brake cylinders are provided with brake pads 60, and the brake pads 60 can be pressed on the surface of the rail and far away from the surface of the rail through the extension and contraction of the brake cylinders 50, so that the purpose of braking is achieved. The arch center operation trolley sliding seat sliding device has two groups of brake functions, and firstly, the sliding oil cylinder 30 can be stopped by a hydraulic lock arranged on the sliding oil cylinder 30 and can be firmly stopped; secondly, the brake oil cylinder 50 and the brake block 60 are used for pressing the surface of the rail. Two sets of brake functions can ensure the reliable stop of the sliding seat 20.
As shown in fig. 1 and fig. 2, the working principle of the sliding seat sliding device of the arch center operation trolley provided by the embodiment is as follows:
the pulley assembly 40 drives the sliding oil cylinder 30 to act, and the contraction of the sliding oil cylinder 30 can be freely adjusted by adjusting the retracting wire rope set 44 on the pulley assembly 40; the extension of the sliding cylinder 30 can be freely adjusted by adjusting the extension wire rope set 45 on the pulley assembly 40, so that the sliding cylinder 30 and the pulley assembly 40 connected between the subframe 10 and the sliding seat 20 drive the sliding seat 30 to axially move back and forth on the subframe 40. And through the regulation of wire rope group, the stroke of the hydro-cylinder 30 that slides only needs to set up to half of the stroke of the seat 20 that slides, just can satisfy the requirement, can make the space more abundant, further saves the hydro-cylinder cost of manufacture.
The bow member operation platform truck that this embodiment provided slides a displacement device compares with prior art, adopts sub vehicle frame, the seat that slides, hydro-cylinder and loose pulley assembly slide, and the seat that slides locates sub vehicle frame top and sub vehicle frame axial displacement relatively, and its both ends are connected respectively between seat and sub vehicle frame of sliding after hydro-cylinder and loose pulley assembly link to each other for drive the seat that slides on sub vehicle frame axial round trip movement. The sliding device for the sliding seat of the arch center operation trolley provided by the embodiment drives the sliding seat to axially move back and forth on the auxiliary frame through the sliding oil cylinder and the pulley assembly which are connected between the auxiliary frame and the sliding seat, and has the advantages of simple structure and low manufacturing cost; the maintenance is convenient and the sliding can be carried out in a large distance.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides an arch centering operation platform truck seat displacement device that slides, its characterized in that, includes sub vehicle frame (10), seat (20) that slides, hydro-cylinder (30) and loose pulley assembly (40) slide, the seat (20) that slides is located sub vehicle frame (10) top just can be relative sub vehicle frame (10) axial displacement, slide hydro-cylinder (30) with loose pulley assembly (40) link to each other back its both ends connect respectively in slide seat (20) with between sub vehicle frame (10), be used for the drive slide seat (20) are in axial round trip movement on sub vehicle frame (10).
2. The arch center working trolley sliding seat sliding device according to claim 1, wherein the auxiliary frame (10) is provided with a sliding rail, and the sliding seat (20) is correspondingly provided with a roller matched with the sliding rail.
3. The arch center working trolley sliding seat sliding device according to claim 1, wherein the pulley assembly (40) comprises a movable pulley block (41), a first fixed pulley block (42), a second fixed pulley block (43), a retracting wire rope group (44) and an extending wire rope group (45), the movable pulley block (41) is arranged in the middle of the auxiliary frame (10), the first fixed pulley block (42) is arranged at the rear end of the auxiliary frame (10), the second fixed pulley block (43) is arranged at the front end of the auxiliary frame (10), one end of the extending wire rope group (45) is fixed at the front end of the sliding seat (20) and is arranged around the second fixed pulley block (43) and the movable pulley block (41), and the other end of the extending wire rope group (45) is fixed at the middle front end of the auxiliary frame (10); one end of the retraction wire rope group (44) is fixed at the rear end of the sliding seat (20) and is arranged around the first fixed pulley block (42) and the movable pulley block (41), and the other end of the retraction wire rope group (44) is fixed at the middle rear end of the auxiliary frame (10).
4. An arch center working trolley sliding seat sliding device according to claim 3, characterized in that a first fixed pulley mounting seat (11) is arranged at the rear end of the auxiliary frame (10), a second fixed pulley mounting seat (12) is arranged at the front end of the auxiliary frame (10), and the first fixed pulley group (42) is mounted on the first fixed pulley mounting seat (11); the second fixed pulley group (43) is arranged on the second fixed pulley mounting seat (12).
5. An arch working trolley sliding seat sliding device according to claim 3, characterized in that the movable pulley block (41) comprises a movable pulley block (411), and a first movable pulley (412) and a second movable pulley (413) arranged on the movable pulley block (411), the first movable pulley (412) is arranged near the first fixed pulley block (42), the second movable pulley (413) is arranged near the second fixed pulley block (43), the retraction wire rope set (44) is wound on the second movable pulley (413), and the extension wire rope set (45) is wound on the first movable pulley (412).
6. An arch center working trolley sliding seat sliding device according to claim 3, characterized in that the connection ends of the retracting wire rope set (44) and the extending wire rope set (45) are long screws for adjusting the tightness of the wire ropes.
7. An arch working trolley sliding seat sliding device according to claim 3, characterized in that one end of the sliding cylinder (30) is fixed at the front end of the auxiliary frame (10), and the other end of the sliding cylinder (30) is connected with the movable pulley block (41).
8. An arch centre operation trolley sliding seat sliding device according to claim 3, characterized in that, sliding blocks (13) are arranged at two sides of the movable pulley block (41), and the sliding blocks (13) are arranged in the sliding rails of the auxiliary frame (10).
9. The arch center operation trolley sliding seat sliding device according to claim 1, wherein a brake cylinder (50) is arranged on the sliding seat (20), a brake pad (60) is arranged at the top end of a piston rod on the brake cylinder (50), when the sliding seat (20) stops, a rodless cavity of the brake cylinder (50) is filled with oil, and the brake pad (60) presses on a sliding rail surface on the auxiliary frame (10); when the sliding seat (20) slides, the rod cavity of the brake oil cylinder (50) is filled with oil, and the brake pad (60) is far away from the surface of a sliding rail on the auxiliary frame (10).
10. An arch center working trolley sliding seat sliding device according to claim 9, characterized in that the sliding cylinder (30) is provided with a hydraulic lock, and the hydraulic lock is connected with the brake cylinder (50) through an oil path and used for controlling the brake cylinder (50) to stop at a set position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123231615.XU CN218324893U (en) | 2021-12-21 | 2021-12-21 | Sliding device for sliding seat of arch frame operation trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123231615.XU CN218324893U (en) | 2021-12-21 | 2021-12-21 | Sliding device for sliding seat of arch frame operation trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218324893U true CN218324893U (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123231615.XU Active CN218324893U (en) | 2021-12-21 | 2021-12-21 | Sliding device for sliding seat of arch frame operation trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218324893U (en) |
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2021
- 2021-12-21 CN CN202123231615.XU patent/CN218324893U/en active Active
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