CN216711394U - Buffer device for gantry crane - Google Patents
Buffer device for gantry crane Download PDFInfo
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- CN216711394U CN216711394U CN202122341212.4U CN202122341212U CN216711394U CN 216711394 U CN216711394 U CN 216711394U CN 202122341212 U CN202122341212 U CN 202122341212U CN 216711394 U CN216711394 U CN 216711394U
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- fixedly connected
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- shaped movable
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- 230000003139 buffering effect Effects 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 11
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 230000004888 barrier function Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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Abstract
The utility model discloses a buffer device for a gantry crane, which relates to the technical field of gantry cranes and comprises a gantry crane track and a C-shaped movable frame, wherein the top end of the inner side of the C-shaped movable frame is fixedly connected with a first roller, the bottom end of the inner side of the C-shaped movable frame is fixedly connected with a second roller, the middle part of the bottom end of the inner side of the C-shaped movable frame is fixedly connected with a cylinder, the middle part of the inner side of the C-shaped movable frame is provided with a movable plate, a piston rod of the cylinder is fixedly connected with the movable plate, the top end of the movable plate is fixedly connected with a brake pad, the bottom end of the C-shaped movable frame is fixedly connected with a fixed frame, one side of the fixed frame is fixedly connected with a fixed rod, the outer side of one end, away from the fixed frame, of the fixed rod is slidably connected with a movable barrel, and the end, away from the fixed rod, of the movable barrel is fixedly connected with a third baffle. The utility model solves the problems of poor buffering effect and poor impact force absorption effect of the conventional buffering device for the gantry crane.
Description
Technical Field
The utility model relates to the technical field of gantry cranes, in particular to a buffer device for a gantry crane.
Background
The gantry crane is a variant of a bridge crane and is mainly used for loading and unloading operations of outdoor goods yards, piled goods and bulk goods. The gantry crane has the characteristics of high site utilization rate, large operation range, wide application range, strong universality and the like. Through electric block translation on the portal frame, drive the material and remove, when electric block removed the slide end at every turn, electric block removed the slide end and probably stopped by force after can bumping with the terminal fender wall of slide when slowing down, can cause certain damage to electric block, electric block is when stopping suddenly moreover, and the material that is being hung can swing, may produce some potential safety hazards.
The existing buffer device for the gantry crane is usually arranged at two ends of a track, and when the electric hoist moves to the two ends of the track, the electric hoist brakes the track, so that the buffer effect is poor due to the limited buffer path, and when the electric hoist moves to the tail end of the track, the impact force absorption effect is poor.
Therefore, there is a need for a buffering device for a gantry crane to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to: the utility model provides a buffer device for a gantry crane, aiming at solving the problems of poor buffer effect and poor impact force absorption effect of the existing buffer device for the gantry crane.
(II) technical scheme
The utility model specifically adopts the following technical scheme for realizing the purpose:
a buffer device for a gantry crane comprises a gantry crane track and a C-shaped movable frame, wherein a first roller is fixedly connected to the top end of the inner side of the C-shaped movable frame, a second roller is fixedly connected to the bottom end of the inner side of the C-shaped movable frame, an air cylinder is fixedly connected to the middle portion of the bottom end of the inner side of the C-shaped movable frame, a movable plate is arranged at the middle portion of the inner side of the C-shaped movable frame, a piston rod of the air cylinder is fixedly connected with the movable plate, a brake pad is fixedly connected to the top end of the movable plate, a fixed frame is fixedly connected to the bottom end of the C-shaped movable frame, a fixed rod is fixedly connected to one side of the fixed frame, a movable barrel is slidably connected to the outer side of the fixed rod, which is far away from the fixed frame, a third baffle is fixedly connected to one end of the movable barrel, a first spring is arranged between the third baffle and the fixed frame, a first distance sensor is fixedly connected to one side of the fixed frame, which is close to the third baffle, the fixing frame is fixedly connected with a fixing barrel on one side, away from the third baffle, of the fixing frame, a movable rod is slidably connected to one end, away from the fixing frame, of the fixing barrel, a second baffle is fixedly connected to one end, away from the fixing frame, of the movable rod, a second spring is arranged between the second baffle and the fixing frame, a groove is formed in the middle of one end, away from the fixing frame, of the second baffle, and a second distance sensor is fixedly connected to the memory of the groove.
Furthermore, the first roller and the second roller are driven by a motor, and the C-shaped movable frame is connected with the gantry crane rail in a sliding mode.
Furthermore, the middle part of the bottom end of the gantry crane track is fixedly connected with a wear-resistant plate, and the fixing position of the brake plate corresponds to the fixing position of the wear-resistant plate.
Furthermore, one end of the first spring is fixedly connected with the fixing frame, and the other end of the first spring is fixedly connected with the third baffle.
Furthermore, one end of the second spring is fixedly connected with the second baffle, and the other end of the second spring is fixedly connected with the fixing frame.
Further, the fixed position of the first distance sensor corresponds to a third baffle.
Furthermore, a fixed seat is fixedly connected to one end of the bottom side of the gantry crane track, a buffering hydraulic cylinder is fixedly connected to one side, close to the C-shaped movable frame, of the fixed seat, and a first baffle is fixedly connected to a piston rod of the buffering hydraulic cylinder.
Furthermore, the fixed position of the first baffle corresponds to that of the second baffle, and the fixed position of the second distance sensor corresponds to that of the first baffle.
(III) advantageous effects
The utility model has the following beneficial effects:
1. according to the utility model, the C-shaped movable frame, the second baffle, the third baffle and the brake piece are arranged, so that the buffer distance can be adjusted according to requirements, meanwhile, the electric hoist can be gradually buffered and braked, the buffer effect is improved, and the problem of poor buffer effect is solved.
2. According to the utility model, by arranging the buffer hydraulic cylinder, the first baffle, the second baffle and the third baffle, when the electric hoist pushes the C-shaped movable frame to move to the tail end of the gantry crane track, the buffer hydraulic cylinder can absorb kinetic energy stored by the first spring and the second spring, so that the problem of poor impact force absorption effect is solved.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a schematic bottom perspective view of the structure of the present invention;
FIG. 3 is a perspective view of the C-shaped movable frame of the present invention;
fig. 4 is a schematic perspective cross-sectional view of the C-shaped movable frame of the present invention.
Reference numerals: 1. a buffer hydraulic cylinder; 2. a first baffle plate; 3. a second baffle; 4. a gantry crane track; 5. a C-shaped movable frame; 6. a third baffle plate; 7. a fixed seat; 9. a first roller; 10. a second roller; 11. a brake pad; 12. a movable plate; 13. a groove; 14. a movable barrel; 15. a first spring; 16. fixing the rod; 17. a first distance sensor; 18. a fixed mount; 19. a fixed cylinder; 20. a second spring; 21. a movable rod; 22. a second distance sensor; 23. a wear plate; 24. and a cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, a buffer device for a gantry crane comprises a gantry crane track 4 and a C-shaped movable frame 5, wherein a first roller 9 is fixedly connected to the top end of the inner side of the C-shaped movable frame 5, a second roller 10 is fixedly connected to the bottom end of the inner side of the C-shaped movable frame 5, the first roller 9 and the second roller 10 are driven by a motor, the C-shaped movable frame 5 is slidably connected with the gantry crane track 4, an air cylinder 24 is fixedly connected to the middle of the bottom end of the inner side of the C-shaped movable frame 5, a movable plate 12 is arranged in the middle of the inner side of the C-shaped movable frame 5, a piston rod of the air cylinder 24 is fixedly connected with the movable plate 12, a brake pad 11 is fixedly connected to the top end of the movable plate 12, a wear-resistant plate 23 is fixedly connected to the middle of the bottom end of the gantry crane track 4, the fixed position of the brake pad 11 corresponds to the fixed position of the wear-resistant plate 23, a fixed frame 18 is fixedly connected to the bottom end of the C-shaped movable frame 5, a fixed rod 16 is fixedly connected to one side of the fixed frame 18, the outer side of one end of a fixed rod 16 far away from a fixed frame 18 is connected with a movable barrel 14 in a sliding manner, one end of the movable barrel 14 far away from the fixed rod 16 is fixedly connected with a third baffle 6, a first spring 15 is arranged between the third baffle 6 and the fixed frame 18, one end of the first spring 15 is fixedly connected with the fixed frame 18, the other end of the first spring 15 is fixedly connected with the third baffle 6, one side of the fixed frame 18 close to the third baffle 6 is fixedly connected with a first distance sensor 17, the fixed position of the first distance sensor 17 corresponds to the third baffle 6, one side of the fixed frame 18 far away from the third baffle 6 is fixedly connected with a fixed barrel 19, one end of the fixed barrel 19 far away from the fixed frame 18 is connected with a movable rod 21 in a sliding manner, one end of the movable rod 21 far away from the fixed frame 18 is fixedly connected with a second baffle 3, a second spring 20 is arranged between the second baffle 3 and the fixed frame 18, one end of the second spring 20 is fixedly connected with the second baffle 3, the other end of the second spring 20 is fixedly connected with the fixing frame 18, a groove 13 is formed in the middle of one end, away from the fixing frame 18, of the second baffle 3, and a second distance sensor 22 is fixedly connected with a memory of the groove 13.
In the embodiment, by arranging the C-shaped movable frame 5, the second baffle plate 3, the third baffle plate 6 and the brake block 11, when in use, the first roller 9 and the second roller 10 are driven by the motor to rotate, so that the C-shaped movable frame 5 moves along the gantry crane track 4, the buffering braking distance of the C-shaped movable frame is increased, the distance between the second baffle plate 3 and the first baffle plate 2 can be detected by the second distance sensor 22, so as to adjust the buffering braking distance according to requirements, when the electric block collides with the third baffle plate 6, the first spring 15 is compressed by force to absorb the impact force, and when the first distance sensor 17 detects that the distance between the third baffle plate 6 and the third baffle plate is shortened to the set minimum threshold value, the air cylinder 24 is contracted to reduce the friction force between the brake block 11 and the wear-resistant block 23, the kinetic energy stored in the first spring 15 pushes the C-shaped movable frame 5 to slide along the gantry crane track 4, when the first distance sensor 17 detects that the distance between the third baffle 6 and the third baffle is increased to the set maximum threshold value, the cylinder 24 extends, the friction force between the brake block 11 and the wear-resistant block 23 is increased, the first spring 15 is compressed under the force, the electric block is subjected to buffering braking in a circulating mode, and when the C-shaped movable frame 5 moves to the tail end of the gantry crane rail 4, the second spring 20 can further absorb the impact force, so that the problem of poor buffering effect is solved.
Example 2
Referring to fig. 1 and 4, the present embodiment is further optimized on the basis of embodiment 1, specifically, a fixing seat 7 is fixedly connected to one end of the bottom side of the gantry crane track 4, a buffer hydraulic cylinder 1 is fixedly connected to one side of the fixing seat 7 close to the C-shaped movable frame 5, and a first baffle 2 is fixedly connected to a piston rod of the buffer hydraulic cylinder 1.
Specifically, the fixed position of the first barrier 2 corresponds to the second barrier 3, and the fixed position of the second distance sensor 22 corresponds to the first barrier 2.
In this embodiment, through setting up buffer hydraulic cylinder 1, first baffle 2, second baffle 3 and third baffle 6, when electric block promoted C shape adjustable shelf 5 and moved 4 ends of portal crane track, second baffle 3 and the contact of first baffle 2, second spring 20 atress compression, then buffer hydraulic cylinder 1 absorbs the kinetic energy that first spring 15 and second spring 20 stored, has solved the relatively poor problem of impact force absorption effect.
In summary, the following steps: the utility model solves the problems of poor buffering effect and poor impact force absorption effect of the conventional buffering device for the gantry crane.
The present invention is not limited to the above embodiments, and the scope of the present invention is defined by the appended claims, and all structural changes that can be made by applying the contents of the specification and drawings of the present invention are intended to be embraced therein.
Claims (8)
1. The utility model provides a buffer for portal crane, includes portal crane track (4) and C shape adjustable shelf (5), its characterized in that: the device comprises a C-shaped movable frame (5), a first roller (9) is fixedly connected to the top end of the inner side of the C-shaped movable frame (5), a second roller (10) is fixedly connected to the bottom end of the inner side of the C-shaped movable frame (5), an air cylinder (24) is fixedly connected to the middle portion of the bottom end of the inner side of the C-shaped movable frame (5), a movable plate (12) is arranged at the middle portion of the inner side of the C-shaped movable frame (5), a piston rod of the air cylinder (24) is fixedly connected with the movable plate (12), a brake plate (11) is fixedly connected to the top end of the movable plate (12), a fixed frame (18) is fixedly connected to the bottom end of the C-shaped movable frame (5), a fixed rod (16) is fixedly connected to one side of the fixed frame (18), a movable barrel (14) is slidably connected to the outer side of one end, far away from the fixed frame (18), of the movable barrel (14), a third baffle (6) is fixedly connected to one end, far away from the fixed rod (16), be equipped with first spring (15) between third baffle (6) and mount (18), mount (18) are close to the first distance sensor of one side fixedly connected with (17) of third baffle (6), one side fixedly connected with solid fixed cylinder (19) of third baffle (6) are kept away from in mount (18), the one end sliding connection that solid fixed cylinder (19) kept away from mount (18) has movable rod (21), the one end fixedly connected with second baffle (3) of mount (18) are kept away from in movable rod (21), be equipped with second spring (20) between second baffle (3) and mount (18), recess (13) have been seted up in the middle part of the one end that solid fixed cylinder (18) were kept away from in second baffle (3), the memory fixedly connected with second distance sensor (22) of recess (13).
2. The buffer device for gantry cranes of claim 1, wherein: the first roller (9) and the second roller (10) are driven by a motor, and the C-shaped movable frame (5) is connected with the gantry crane rail (4) in a sliding mode.
3. The buffer device for gantry cranes of claim 1, wherein: the middle of the bottom end of the gantry crane rail (4) is fixedly connected with a wear-resistant plate (23), and the fixing position of the brake plate (11) corresponds to the fixing position of the wear-resistant plate (23).
4. The buffer device for gantry cranes of claim 1, wherein: one end of the first spring (15) is fixedly connected with the fixing frame (18), and the other end of the first spring (15) is fixedly connected with the third baffle plate (6).
5. The buffer device for gantry cranes of claim 1, wherein: one end of the second spring (20) is fixedly connected with the second baffle (3), and the other end of the second spring (20) is fixedly connected with the fixed frame (18).
6. The buffer device for gantry cranes of claim 1, wherein: the fixed position of the first distance sensor (17) corresponds to the third baffle (6).
7. The buffer device for gantry cranes of claim 1, wherein: the gantry crane is characterized in that a fixing seat (7) is fixedly connected to one end of the bottom side of the gantry crane track (4), a buffering hydraulic cylinder (1) is fixedly connected to one side, close to the C-shaped movable frame (5), of the fixing seat (7), and a first baffle (2) is fixedly connected to a piston rod of the buffering hydraulic cylinder (1).
8. The buffer device for gantry cranes of claim 7, wherein: the fixed position of the first baffle (2) corresponds to the second baffle (3), and the fixed position of the second distance sensor (22) corresponds to the first baffle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122341212.4U CN216711394U (en) | 2021-09-27 | 2021-09-27 | Buffer device for gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122341212.4U CN216711394U (en) | 2021-09-27 | 2021-09-27 | Buffer device for gantry crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216711394U true CN216711394U (en) | 2022-06-10 |
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ID=81870785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122341212.4U Expired - Fee Related CN216711394U (en) | 2021-09-27 | 2021-09-27 | Buffer device for gantry crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216711394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114655651A (en) * | 2022-05-20 | 2022-06-24 | 徐州太平洋印务有限公司 | Slope hoisting traction control device suitable for trailer of offset printing workshop |
-
2021
- 2021-09-27 CN CN202122341212.4U patent/CN216711394U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114655651A (en) * | 2022-05-20 | 2022-06-24 | 徐州太平洋印务有限公司 | Slope hoisting traction control device suitable for trailer of offset printing workshop |
| CN114655651B (en) * | 2022-05-20 | 2022-09-20 | 徐州太平洋印务有限公司 | Slope lifting traction control device suitable for offset printing workshop trailer |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220610 |