CN220320232U - Slide seat mechanism of portal frame crane - Google Patents
Slide seat mechanism of portal frame crane Download PDFInfo
- Publication number
- CN220320232U CN220320232U CN202321016799.4U CN202321016799U CN220320232U CN 220320232 U CN220320232 U CN 220320232U CN 202321016799 U CN202321016799 U CN 202321016799U CN 220320232 U CN220320232 U CN 220320232U
- Authority
- CN
- China
- Prior art keywords
- ball screw
- slide
- lubricant
- gantry
- fixed
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- 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.)
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- 239000000314 lubricant Substances 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Abstract
The utility model provides a sliding seat mechanism of a portal crane, which relates to the technical field of crane sliding seats, and comprises a portal frame, wherein a ball screw is rotated on the portal frame, and a nut is arranged outside the ball screw in a matched manner and can slide along the ball screw; the sliding seat slides outside the portal frame, a connecting table is arranged on the sliding seat, the connecting table is arranged on the ball screw and can slide along the outer side of the ball screw when the ball screw rotates, and a support plate is fixed on the outer side of the connecting table; the V-shaped plate rotates on the connecting table, the bottom end of the V-shaped plate is arranged on the lubricant filling mechanism and can drive the lubricant filling mechanism to operate in rotation, and the top end of the V-shaped plate is provided with an elastic traction mechanism for dragging the bearing to synchronously move; can be when the slide removes unsmoothly, the coating lubricant is annotated to the outside of ball automatically, has saved the trouble that the staff regularly manually added.
Description
Technical Field
The utility model relates to the field of crane sliding seats, in particular to a sliding seat mechanism of a portal frame crane.
Background
The gantry crane is a bridge crane with a horizontal bridge frame arranged on two supporting legs to form a portal frame shape. The crane runs on ground rails and is mainly used for carrying and installing in open-air storage yards, docks, power stations, ports, railway freight stations and the like.
Some existing gantry cranes are used for moving the sliding seat more accurately, the sliding seat is driven by the ball screw to slide, but workers are required to regularly coat lubricant on the ball screw, lubrication is carried out between the sliding seat and the ball screw, smooth sliding of the sliding seat is ensured, the height of the gantry is often higher, and the coating of the lubricant by the workers is more troublesome.
Disclosure of Invention
According to the defects in the background art, the utility model provides the sliding seat mechanism of the portal frame crane, which solves the technical problems that the prior equipment needs a worker to regularly coat a lubricant on a ball screw, lubricate between the sliding seat and the ball screw to ensure smooth sliding of the sliding seat, the height of a portal frame is always higher, and the worker is more troublesome and inconvenient to coat the lubricant.
The scheme adopted by the utility model is as follows: a slide mechanism for a gantry crane, comprising:
the portal frame is provided with a ball screw in a rotating way, and a nut is arranged outside the ball screw in a matched way and can slide along the ball screw;
the sliding seat slides outside the portal frame, a connecting table is arranged on the sliding seat and arranged on the ball screw, the sliding seat can slide along the outer side of the ball screw when the ball screw rotates, a support plate is fixed on the outer side of the connecting table, a bearing is arranged on the support plate, the bearing can slide along the support plate, the nut is fixed on an inner ring of the bearing, and a lubricant filling mechanism is arranged on the connecting table and used for filling lubricant on the ball screw;
the V-shaped plate rotates on the connecting table, the bottom end of the V-shaped plate is arranged on the lubricant filling mechanism, the lubricant filling mechanism can be driven to operate in rotation, and an elastic traction mechanism is arranged at the top end of the V-shaped plate and used for dragging the bearing to synchronously move.
Preferably, the lubricant filling mechanism comprises a lubricant storage box arranged on the connecting table, a filling pipe is inserted into one side of the lubricant storage box, a pipe orifice of the filling pipe is arranged on the ball screw, one end, far away from the ball screw, of the filling pipe is provided with a conveying pump positioned inside the lubricant storage box, one side of the conveying pump is electrically connected with a control button positioned above the lubricant storage box, and the bottom end of the V-shaped plate is arranged on one side of the control button.
Preferably, the elastic traction mechanism comprises a first mounting seat arranged at the top end of the V-shaped plate, a spring is fixed on the first mounting seat, a second mounting seat is fixed at one end of the first mounting seat away from the spring, and the second mounting seat is arranged on the bearing.
Preferably, the inside of extension board has seted up the spout, and the spout sets up along ball axial direction, the top of bearing is fixed with the slide bar of sliding in the spout inside, and the top at the slide bar is fixed to the second mount pad.
Preferably, a driving mechanism is arranged on the portal frame and used for driving the ball screw to rotate.
Preferably, the driving mechanism comprises a support arranged at the top of the portal frame, a motor is arranged in the support, and the output end of the motor is fixed at the end part of the ball screw.
Preferably, a supporting rod is fixed at the top of the connecting table, and the V-shaped plate rotates on the supporting rod.
Preferably, the side wall of the sliding seat is fixed with a scraping plate which is tightly attached to the portal frame, and the side wall of the portal frame is provided with a collecting box.
Preferably, a plurality of rollers are arranged in the sliding seat, and the rollers are tightly attached to the portal frame.
Preferably, a sealing rubber pad is arranged between the sliding seat and the portal frame.
The utility model has the beneficial effects that:
can be when the slide removes unsmoothly, automatic to the outside filling coating lubricant of ball, saved the trouble that the staff regularly manually added, the smooth degree of effectual improvement slide removed, and then make the slide can use and keep smooth and accurate removal, reinforcing portal frame hoist's result of use.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a schematic view of the internal structure of the slide of the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.
Reference numerals: 10. a portal frame; 11. a ball screw; 12. a nut; 13. a collection box; 20. a slide; 21. a connection station; 22. a bearing; 221. a slide bar; 23. a V-shaped plate; 24. a support rod; 25. a scraper; 26. a roller; 27. sealing rubber cushion; 28. a support plate; 281. a chute; 30. a lubricant filling mechanism; 31. a lubricant storage cartridge; 32. a filling pipe; 33. a control knob; 40. an elastic traction mechanism; 41. a first mount; 42. a spring; 43. a second mounting base; 50. a driving mechanism; 51. a support; 52. and a motor.
Detailed Description
The utility model provides a sliding seat mechanism of a portal frame crane, which solves the technical problems that the prior equipment needs a worker to regularly coat a lubricant on a ball screw, lubricate between a sliding seat and the ball screw so as to ensure smooth sliding of the sliding seat, and the height of a portal frame is always higher, so that the worker is more troublesome and inconvenient to coat the lubricant;
referring to fig. 1-4, a slide mechanism for a gantry crane, comprising: the top of the portal frame 10 and the sliding seat 20 are rotated and provided with the ball screw 11, the sliding seat 20 is provided with the connecting table 21 arranged outside the ball screw 11, the ball screw 11 can be pushed to move when rotating, the sliding seat 20 is driven to move on the portal frame 10, the top of the portal frame 10 is provided with the driving mechanism 50 for driving the ball screw 11 to rotate, the nut 12 is arranged outside the ball screw 11 in a matched mode, one side of the connecting table 21 is fixedly provided with the support plate 28, the support plate 28 is provided with the bearing 22 capable of sliding along the length direction of the connecting table, the nut 12 is fixed on the inner ring of the bearing 22, the nut 12 can synchronously rotate along the ball screw 11 after the bearing 22 moves, and when the bearing 22 moves, the nut 12 is dragged along the ball screw 11 to rotationally slide, one side of the connecting table 21 is provided with the lubricant filling mechanism 30 for filling the ball screw 11, so that the inside of the ball screw 11 is conveniently lubricated, friction resistance when the connecting table 21 moves is reduced, the sliding seat 20 moves smoothly, the top of the connecting table 21 is provided with the V23, the middle part of the connecting table 21 is rotatably provided with the support bar 24, the bearing 24 is fixedly arranged on the middle part of the connecting table 21, the bearing 24 is rotatably provided with the bearing bar 24, and the other end of the ball screw is rotatably provided with the lubricant filling mechanism 30 along the ball screw 11, and the other end of the bearing 24 is rotatably driven by the supporting bar 30.
Referring to fig. 1 and 4, the lubricant filling mechanism 30 includes a lubricant storage box 31 mounted on the connection table 21, one side of the lubricant storage box 31 is inserted with a filling pipe 32, a pipe orifice of the filling pipe 32 is arranged on the ball screw 11, one end of the filling pipe 32 far away from the ball screw 11 is provided with a delivery pump positioned in the lubricant storage box 31, one side of the delivery pump is electrically connected with a control button 33 positioned above the lubricant storage box 31, the bottom end of the V-shaped plate 23 is arranged on one side of the control button 33, the control button 33 is pressed by the bottom end of the V-shaped plate 23 to start the delivery pump when the V-shaped plate 23 rotates around the supporting rod 24, and lubricant in the lubricant storage box 31 is pumped out by the filling pipe 32 and discharged onto the ball screw 11, so that the lubrication operation can be performed when the slide 20 and the nut 12 move, the smoothness of the slide 20 is improved, the slide 20 moves more accurately and the friction coefficient is smaller, and noise generated by the slide 20 moving can be reduced to a certain extent;
referring to fig. 1-4, the elastic traction mechanism 40 includes a first mounting seat 41 disposed at the top end of the V-shaped plate 23, a spring 42 is fixed on the first mounting seat 41, a second mounting seat 43 is fixed at one end of the first mounting seat 41 away from the spring 42, and the second mounting seat 43 is disposed on the bearing 22, the connection table 21 drives the V-shaped plate 23 to move, the first mounting seat 41 drags the spring 42 to pull the second mounting seat 43 and the bearing 22 to synchronously move, so that the bearing 22 drives the nut 12 to slide along the outside of the ball screw 11, when dust and sundries are contained in a thread groove on the ball screw 11 to increase the resistance force applied to the movement of the nut 12, the force required by the V-shaped plate 23 to drag the spring 42 to pull the bearing 22 is increased, the spring 42 stretches, the V-shaped plate 23 rotates around the strut 24, and the bottom end of the V-shaped plate 23 can squeeze the control button 33 to fill lubricant on the ball screw 11;
referring to fig. 1 to 3, the driving mechanism 50 includes a support 51 mounted on the top of the gantry 10, a motor 52 is mounted in the support 51, an output end of the motor is fixed at an end of the ball screw 11, the motor 52 is supported by the support 51, the ball screw 11 is driven to rotate by the motor 52, and the connecting table 21 is preferably pushed to move the slide 20;
referring to fig. 1 and 4, a sliding groove 281 is formed in the support plate 28, the sliding groove 281 is formed along the axial direction of the ball screw 11, a sliding rod 221 sliding in the sliding groove 281 is fixed at the top of the bearing 22, and a second mounting seat 43 is fixed at the top end of the sliding rod 221, so that the bearing 22 can move relative to the support plate 28 by sliding the sliding rod 221 in the sliding groove 281, and the bearing 22 can be limited by the support plate 28, so that the bearing 22 cannot rotate outside the nut 12;
referring to fig. 1-3, a scraper 25 which is closely attached to a gantry 10 is fixed on the side wall of a sliding seat 20, a collecting box 13 is arranged on the side wall of the gantry 10, dust impurities and the like which are adhered and scattered on the gantry 10 can be scraped by the scraper 25 along with the movement of the sliding seat 10, so that the smoothness of the movement of the sliding seat 20 is improved, and the sliding seat 20 is collected and recovered by the collecting box 13, so that the sliding seat is convenient to clean in a concentrated manner at regular intervals;
referring to fig. 3, a plurality of rollers 26 are disposed inside the sliding base 20, and the rollers 26 are disposed closely to the gantry 10, so as to reduce friction resistance between the sliding base 20 and the gantry 10, and further enable the sliding base 20 to slide smoothly on the gantry 10;
referring to fig. 1, a sealing rubber pad 27 is provided between the slide 20 and the gantry 10, and the slide 20 and the gantry 10 are sealed by the sealing rubber pad 27, so that dust, sundries and the like are prevented from entering the interior of the slide 20.
Working principle: the ball screw 11 is driven to rotate through the motor 52, the connecting table 21 and the sliding seat 20 are pushed to slide, the V-shaped plate 23 drags the spring 42 to pull the bearing 22 to synchronously move, the bearing 22 drives the nut 12 to slide outside the ball screw 11, when the resistance force on the movement of the nut 12 is increased due to dust sundries and the like in a thread groove on the ball screw 11, the tension force required by the V-shaped plate 23 for dragging the spring 42 to pull the bearing 22 is increased, the spring 42 stretches the V-shaped plate 23 to rotate around the supporting rod 24, the bottom end of the V-shaped plate 23 can squeeze the control button 33, the conveying pump is started, the lubricant in the lubricant storage box 31 is pumped out and discharged to the ball screw 11 through the filling pipe 32, the lubricant is coated on the ball screw 11 when the sliding seat 20 and the nut 12 move, lubrication is further carried out between the ball screw 11 and the connecting table 21, and the smoothness of the movement of the connecting table 21 for driving the sliding seat 20 is improved.
The beneficial effects are that: can be when slide 20 removes unsmoothly, automatic to the outside filling coating lubricant of ball 11, save the trouble that the staff regularly manually adds, effectual improvement slide 20 removes, and then make slide 20 can use and keep smooth and easy accurate removal, reinforcing portal frame crane's result of use.
The above description is only for the purpose of illustrating the utility model, and it should be understood that the utility model is not limited to the above embodiments, but various modifications consistent with the idea of the utility model are within the scope of the utility model.
Claims (10)
1. A slide mechanism for a gantry crane, comprising:
the device comprises a portal frame (10), wherein a ball screw (11) is rotated on the portal frame (10), a nut (12) is arranged outside the ball screw (11) in a matched mode, and the ball screw can slide along the ball screw (11);
the sliding seat (20) slides outside the portal frame (10), a connecting table (21) is arranged on the sliding seat (20), the connecting table (21) is arranged on the ball screw (11) and can slide along the outer side of the ball screw (11) when the ball screw (11) rotates, a support plate (28) is fixed on the outer side of the connecting table (21), a bearing (22) is arranged on the support plate (28), the bearing (22) can slide along the support plate (28), the nut (12) is fixed on the inner ring of the bearing (22), and a lubricant filling mechanism (30) is arranged on the connecting table (21) and is used for filling lubricant on the ball screw (11);
the V-shaped plate (23) rotates on the connecting table (21), the bottom end of the V-shaped plate (23) is arranged on the lubricant filling mechanism (30) and can drive the lubricant filling mechanism (30) to operate in rotation, and an elastic traction mechanism (40) is arranged at the top end of the V-shaped plate (23) and used for dragging the bearing (22) to synchronously move.
2. Slide mechanism of a gantry crane according to claim 1, characterized in that the lubricant filling mechanism (30) comprises a lubricant storage box (31) mounted on the connection table (21), a filling pipe (32) is inserted on one side of the lubricant storage box (31), a nozzle of the filling pipe (32) is arranged on the ball screw (11), one end of the filling pipe (32) far away from the ball screw (11) is provided with a delivery pump positioned inside the lubricant storage box (31), one side of the delivery pump is electrically connected with a control button (33) positioned above the lubricant storage box (31), and the bottom end of the V-shaped plate (23) is arranged on one side of the control button (33).
3. The sliding seat mechanism of the portal crane according to claim 1, wherein the elastic traction mechanism (40) comprises a first mounting seat (41) arranged at the top end of the V-shaped plate (23), a spring (42) is fixed on the first mounting seat (41), a second mounting seat (43) is fixed at one end of the first mounting seat (41) away from the spring (42), and the second mounting seat (43) is arranged on the bearing (22).
4. A slide mechanism of a gantry crane according to claim 3, wherein the support plate (28) is internally provided with a chute (281), the chute (281) is arranged along the axial direction of the ball screw (11), the top of the bearing (22) is fixed with a sliding rod (221) sliding inside the chute (281), and the second mounting seat (43) is fixed at the top end of the sliding rod (221).
5. Slide mechanism of a gantry crane according to claim 1, characterized in that the gantry (10) is provided with a drive mechanism (50) for driving the ball screw (11) in rotation.
6. The slide mechanism of a gantry crane according to claim 5, characterized in that the driving mechanism (50) comprises a support (51) mounted on top of the gantry (10), a motor (52) is mounted inside the support (51), and the output end of the motor is fixed at the end of the ball screw (11).
7. Slide mechanism of a gantry crane according to claim 1, characterized in that the top of the connection table (21) is fixed with a strut (24), the V-shaped plate (23) rotating on the strut (24).
8. Slide mechanism of a gantry crane according to claim 1, characterized in that the side wall of the slide (20) is fixed with a scraper (25) arranged against the gantry (10), the side wall of the gantry (10) being provided with a collecting box (13).
9. The slide mechanism of a gantry crane according to claim 1, wherein a plurality of rollers (26) are provided inside the slide (20), and the rollers (26) are disposed closely to the gantry (10).
10. The slide mechanism of the gantry crane according to claim 1, characterized in that a sealing rubber pad (27) is arranged between the slide (20) and the gantry (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321016799.4U CN220320232U (en) | 2023-04-28 | 2023-04-28 | Slide seat mechanism of portal frame crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321016799.4U CN220320232U (en) | 2023-04-28 | 2023-04-28 | Slide seat mechanism of portal frame crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220320232U true CN220320232U (en) | 2024-01-09 |
Family
ID=89410861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321016799.4U Active CN220320232U (en) | 2023-04-28 | 2023-04-28 | Slide seat mechanism of portal frame crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220320232U (en) |
-
2023
- 2023-04-28 CN CN202321016799.4U patent/CN220320232U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |