CN223342312U - A lifting platform limiting device - Google Patents
A lifting platform limiting deviceInfo
- Publication number
- CN223342312U CN223342312U CN202422901038.8U CN202422901038U CN223342312U CN 223342312 U CN223342312 U CN 223342312U CN 202422901038 U CN202422901038 U CN 202422901038U CN 223342312 U CN223342312 U CN 223342312U
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- China
- Prior art keywords
- lifting platform
- limiting
- connecting rods
- base
- fixedly arranged
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Abstract
本实用新型涉及升降平台技术领域，具体为一种升降平台限位装置，包括升降台和底座，所述升降台和底座之间设有支撑机构，所述升降台上设有限位机构，所述限位机构包括支撑架，所述支撑架对称固定安装在升降台顶端一侧，所述支撑架相互远离一侧均开设有限位槽，所述支撑架内中部均滑动安装有限位块，所述限位块靠近支撑架一侧均转动安装有安装轴。有益效果为：升降台向上移动时，限位块会在支撑架内移动，由于限位槽内设置有多个与限位轴相适配的限位凹槽，在扭簧以及转动板的协作下，限位轴会在限位凹槽内逐步移动，从而实现升降台在上升过程中的限位，避免升降台突然下落，降低了安全隐患。
The present invention relates to the technical field of lifting platforms, specifically a lifting platform limiting device, comprising a lifting platform and a base, a support mechanism being provided between the lifting platform and the base, a limiting mechanism being provided on the lifting platform, and the limiting mechanism comprising a support frame, the support frame being symmetrically fixedly mounted on one side of the top end of the lifting platform, the support frames being provided with limiting grooves on the sides away from each other, limiting blocks being slidably mounted on the middle parts of the support frames, and the limiting blocks being rotatably mounted on the sides close to the support frames. The beneficial effect is as follows: when the lifting platform moves upward, the limiting block will move within the support frame, and since a plurality of limiting grooves matching the limiting shaft are provided within the limiting groove, the limiting shaft will gradually move within the limiting groove under the cooperation of the torsion spring and the rotating plate, thereby realizing the limiting of the lifting platform during the ascending process, preventing the lifting platform from falling suddenly, and reducing safety hazards.
Description
Technical Field
The utility model relates to the technical field of lifting platforms, in particular to a lifting platform limiting device.
Background
The lifting platform is multifunctional lifting loading and unloading equipment, and is mainly divided into two types, namely a movable lifting platform and a fixed lifting platform, when the lifting platform is selected, factors such as application scenes, load demand, lifting height, power supply requirement and the like of the lifting platform are considered, meanwhile, safety is always the most important consideration factor, and related operation regulations and maintenance measures are required to be strictly adhered to no matter the safety of operators or the normal operation safety of equipment.
In the prior art, the lifting platform is lifted by a hydraulic device, an electric push rod or other driving mechanisms, but when the lifting platform is loaded with heavy goods, the pressure born by the driving device is too high, the lifting platform is easy to drop suddenly, danger is caused to nearby staff, and potential safety hazard is high.
Disclosure of utility model
The utility model aims to provide a lifting platform limiting device which is used for solving the problems in the background technology.
The lifting platform limiting device comprises a lifting platform and a base, wherein a supporting mechanism is arranged between the lifting platform and the base, the lifting platform is provided with a limiting mechanism, the limiting mechanism comprises a supporting frame, the supporting frame is symmetrically and fixedly arranged on one side of the top end of the lifting platform, limiting grooves are formed in the side, far away from each other, of the supporting frame, limiting blocks are slidably arranged in the middle part in the supporting frame, mounting shafts are rotatably arranged on one side, close to the supporting frame, of the limiting blocks, rotating plates are rotatably arranged on one side, close to the supporting frame, of the outer periphery of the mounting shafts, limiting shafts are fixedly arranged on the lower parts of the rotating plates, torsion springs are arranged on the side, close to each other, of the outer periphery of the mounting shafts, the upper parts of the rotating plates are sequentially provided with clamping grooves and notches from left to right, and elastic clamping plates are fixedly arranged on the upper parts, far away from each other, of the limiting blocks;
the driving mechanism is arranged in the middle of the top end of the base.
Preferably, guide grooves are formed in one sides of the front end and the rear end of the base, idler wheels are arranged in the guide grooves, connecting rods are fixedly arranged on one sides of the idler wheels, which are close to each other, and baffle plates are fixedly arranged at the front end and the rear end of the connecting rods.
Preferably, the lifting platform top one side symmetry has seted up the removal groove, all slidable mounting has the movable block in the removal groove, the movable block is fixed mounting respectively at homonymy limit block top.
Preferably, the supporting mechanism comprises two groups of first connecting rods and second connecting rods, the first connecting rods and the second connecting rods are connected in the same group through pin shafts, one lower part of each connecting rod is rotatably installed on the front side and the rear side of the periphery of the connecting rod, one upper part of each connecting rod is rotatably installed on the front side and the rear side of the other side of the bottom end of the lifting table, the second connecting rods are rotatably installed on the front side and the rear side of the other side of the base, and the upper parts of the second connecting rods are rotatably installed on the lower parts of the side-shifting blocks.
Preferably, the driving mechanism comprises two fixing plates, the fixing plates are symmetrically distributed and fixedly arranged in the middle of one side of the top end of the base, and threaded rods are rotatably arranged on one sides of the fixing plates, which are close to each other.
Preferably, the middle part of the periphery of the connecting rod is fixedly provided with a movable frame, and the movable frame is fixedly arranged in the middle of the periphery of the connecting rod.
Preferably, the middle part fixed mounting has the motor mounting bracket in base top, middle part fixed mounting has step motor in the motor mounting bracket, step motor driving end fixed mounting has the driving gear, driving gear upper portion meshing is connected with driven gear, driven gear fixed mounting is at threaded rod opposite side tip.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model provides a be provided with stop gear in the lift platform stop device, when the elevating platform upwards moved, the stopper can be at the support frame internal movement, owing to be provided with a plurality of spacing recesses with spacing axle looks adaptation in the spacing inslot, under the cooperation of torsional spring and pivoted board, spacing axle can progressively move in spacing recess to realize the spacing of elevating platform in-process that rises, avoid the elevating platform to drop suddenly, reduced the potential safety hazard.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a part of the driving mechanism according to the present utility model;
FIG. 3 shows the lifting of the present utility model schematic diagram of the partial structure of the table;
Fig. 4 is a schematic view of a partial structure of a limiting mechanism according to the present utility model.
In the figure, 1, a base; 2, a guide groove, 3, a baffle plate, 4, a connecting rod, 5, a driving mechanism, 51, a motor mounting frame, 52, a stepping motor, 53, a driven gear, 54, a threaded rod, 55, a fixed plate, 56, a driving gear, 57, a movable frame, 6, a first connecting rod, 7, a movable block, 8, a limiting mechanism, 81, a supporting frame, 82, a limiting block, 83, a limiting groove, 84, a limiting shaft, 85, a rotating plate, 86, a notch, 87, a mounting shaft, 88, a clamping groove, 89, an elastic clamping plate, 810, a torsion spring, 9, a movable groove, 10, a second connecting rod, 11, a roller, 12 and a lifting platform.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
Referring to fig. 1 to 4, the present utility model provides a technical solution: A lifting platform limiting device comprises a lifting platform 12 and a base 1, wherein a supporting mechanism is arranged between the lifting platform 12 and the base 1, a limiting mechanism 8 is arranged on the lifting platform 12, the limiting mechanism 8 comprises a supporting frame 81, the supporting frame 81 is symmetrically and fixedly arranged on one side of the top end of the lifting platform 12, limiting grooves 83 are respectively formed in the mutually far sides of the supporting frame 81, limiting blocks 82 are respectively and slidably arranged in the middle part of the supporting frame 81, mounting shafts 87 are respectively and rotatably arranged on one side, close to the supporting frame 81, of the limiting blocks 82, a rotating plate 85 is respectively and rotatably arranged on the periphery of each mounting shaft 87, limiting shafts 84 are respectively and fixedly arranged on the lower parts of the rotating plates 85, torsion springs 810 are respectively arranged on the periphery of each mounting shaft 87, clamping grooves 88 and notches 86 are sequentially formed in the upper parts of the rotating plates 85 from left to right, elastic clamping plates 89 are respectively and fixedly arranged on the upper parts of the mutually far sides of the limiting blocks 82, the driving mechanism 5 is arranged in the middle of the top end of the base 1, when the lifting table 12 moves upwards, the moving block 7 moves in the moving groove 9 at this time, the limiting block 82 moves in the supporting frame 81, the limiting shaft 84 moves in the limiting groove 83 along with the movement of the limiting block 82 in the supporting frame 81, as a plurality of limiting grooves and horizontal grooves matched with the limiting shaft 84 are arranged in the limiting groove 83, the limiting shaft 84 gradually moves in the limiting grooves under the cooperation of the torsion spring 810 and the rotating plate 85, the side wall of one side of the limiting groove is vertical, the side wall of the other side of the limiting groove is a smooth cambered surface, so that the limiting shaft 84 can only move along one side of the limiting groove 83, if the limiting shaft 84 moves reversely, the vertical side wall can limit the limiting shaft 84 at this time, so that the lifting table 12 can be limited when being lifted, avoid elevating platform 12 to drop suddenly, reduced the potential safety hazard, simultaneously, spacing axle 84 removes to horizontal groove position department, and elastic clamping plate 89 can block in draw-in groove 88, and then can realize that rotor plate 85 keeps the level, elevating platform 12 can descend this moment.
The guide way 2 has all been seted up to base 1 front and back end one side, all install gyro wheel 11 in the guide way 2, gyro wheel 11 is close to one side fixed mounting each other and has connecting rod 4, connecting rod 4 front and back end all fixed mounting has baffle 3, movable groove 9 has been seted up to elevating platform 12 top one side symmetry, all slidable mounting has movable block 7 in the movable groove 9, movable block 7 is fixed mounting respectively on homonymy limiter 82 top, supporting mechanism includes two sets of connecting rod one 6 and two connecting rods two 10, the middle part with set of connecting rod one 6 and two connecting rods two 10 all links through the round pin axle to be connected, connecting rod one 6 lower part is installed respectively in connecting rod 4 periphery front and back side, connecting rod one 6 upper portion is installed at elevating platform 12 bottom opposite side front and back portion respectively in the rotation, base 1 opposite side front and back portion is all installed connecting rod two 10 in the rotation, connecting rod two 10 upper portions are installed in homonymy movable block 7 lower part all in the rotation, through setting up connecting rod one 6 and two connecting rod 10, connecting rod one 6 and two 10 are the cross setting, can increase elevating platform 12 stability in the use, simultaneously, through setting up gyro wheel 11 and movable block 7, and two connecting rod one set up in the middle part 7, can be in the process of the elevating platform 12 and the rolling balls has been improved in the process.
The driving mechanism 5 comprises two fixing plates 55, the fixing plates 55 are symmetrically distributed and fixedly arranged in the middle of one side of the top end of the base 1, the fixing plates 55 are mutually close to one side and are rotatably provided with threaded rods 54, the middle of the periphery of the connecting rod 4 is fixedly provided with a movable frame 57, the movable frame 57 is fixedly arranged in the middle of the periphery of the connecting rod 4, the middle of the top end of the base 1 is fixedly provided with a motor mounting frame 51, the middle of the inside of the motor mounting frame 51 is fixedly provided with a stepping motor 52, the driving end of the stepping motor 52 is fixedly provided with a driving gear 56, the upper part of the driving gear 56 is connected with a driven gear 53 in a meshed manner, the driven gear 53 is fixedly arranged at the end of the other side of the threaded rod 54, the driving gear 56 can be driven to synchronously rotate through controlling the stepping motor 52, the driving gear 56 and the driven gear 53 are meshed with each other, so that the threaded rods 54 can synchronously rotate at uniform speed, the movable frame 57 can drive the connecting rod 4 to move along the guide groove 2 under the cooperation of threads, and a worker can control the lifting or descending of the lifting platform 12 by controlling the first connecting rod 6 and the second connecting rod 10.
In the actual use process, the staff can drive the threaded rod 54 to rotate through controlling the stepping motor 52 in the driving mechanism 5, the stepping motor 52 is matched with the driving gear 56 and the driven gear 53, then the movable frame 57 and the connecting rod 4 can drive the first connecting rod 6 to move along the guide groove 2, the movable block 7, the movable groove 9 and the connecting rod are matched, the lifting or descending of the lifting table 12 can be controlled, in the upward moving process of the lifting table 12, the limiting block 82 can move in the supporting frame 81, meanwhile, the rotating plate 85 is matched with the torsion spring 810, the limiting shaft 84 can be gradually clamped in the limiting groove 83, the limiting shaft 84 can only move to one side due to the special shape of the limiting groove 83, the lifting table 12 can be limited, the situation that the lifting table 12 suddenly falls down to cause the staff to be damaged is avoided, meanwhile, the elastic clamping plate 89 is clamped in the clamping groove 88, and the limiting of the rotating plate 85 can be relieved by the elastic clamping plate 89 only by lifting the limiting shaft 84 upwards at the moment, so that the use is convenient.
While the foregoing describes illustrative embodiments of the present application so that those skilled in the art may understand the present application, the present application is not limited to the specific embodiments, and all applications and creations utilizing the inventive concepts are within the scope of the present application as long as the modifications are within the spirit and scope of the present application as defined and defined in the appended claims to those skilled in the art.
Claims (7)
1. The lifting platform limiting device comprises a lifting platform (12) and a base (1), wherein a supporting mechanism is arranged between the lifting platform (12) and the base (1), and is characterized in that a limiting mechanism (8) is arranged on the lifting platform (12), the limiting mechanism (8) comprises a supporting frame (81), the supporting frame (81) is symmetrically and fixedly arranged on one side of the top end of the lifting platform (12), limiting grooves (83) are formed in the mutually far side of the supporting frame (81), limiting blocks (82) are slidably arranged in the middle of the supporting frame (81), mounting shafts (87) are rotatably arranged on one side, close to the supporting frame (81), of the limiting blocks (82), rotating plates (85) are rotatably arranged on one side, close to the supporting frame (81), of the periphery of each rotating plate (85), limiting shafts (84) are fixedly arranged on the lower parts of the rotating plates (85), torsion springs (810) are arranged on the upper parts of the rotating plates (85), and are sequentially provided with clamping grooves (88) and notches (86), and elastic clamping plates (89) are fixedly arranged on the mutually far from the upper parts of the sides of the limiting blocks (82);
The driving mechanism (5) is arranged in the middle of the top end of the base (1).
2. The lifting platform limiting device according to claim 1, wherein guide grooves (2) are formed in one sides of the front end and the rear end of the base (1), rollers (11) are arranged in the guide grooves (2), connecting rods (4) are fixedly arranged on one sides, close to each other, of the rollers (11), and baffle plates (3) are fixedly arranged at the front end and the rear end of the connecting rods (4).
3. The lifting platform limiting device according to claim 1, wherein the lifting platform (12) is symmetrically provided with moving grooves (9) on one side of the top end, moving blocks (7) are slidably arranged in the moving grooves (9), and the moving blocks (7) are fixedly arranged on the top ends of limiting blocks (82) on the same side respectively.
4. The lifting platform limiting device according to claim 1, wherein the supporting mechanism comprises two groups of first connecting rods (6) and second connecting rods (10), the middle parts of the first connecting rods (6) and the second connecting rods (10) are connected through pin shafts, the lower parts of the first connecting rods (6) are respectively rotatably arranged on the front side and the rear side of the periphery of the connecting rod (4), the upper parts of the first connecting rods (6) are respectively rotatably arranged on the front part and the rear part of the other side of the bottom end of the lifting platform (12), the front part and the rear part of the other side of the base (1) are respectively rotatably provided with the second connecting rods (10), and the upper parts of the second connecting rods (10) are respectively rotatably arranged on the lower parts of the same side moving blocks (7).
5. The lifting platform limiting device according to claim 1, wherein the driving mechanism (5) comprises two fixing plates (55), the fixing plates (55) are symmetrically distributed and fixedly arranged in the middle of one side of the top end of the base (1), and threaded rods (54) are rotatably arranged on one side, close to each other, of the fixing plates (55).
6. The lifting platform limiting device according to claim 2, wherein a movable frame (57) is fixedly arranged in the middle of the periphery of the connecting rod (4), and the movable frame (57) is fixedly arranged in the middle of the periphery of the connecting rod (4).
7. The lifting platform limiting device according to claim 1, wherein a motor mounting frame (51) is fixedly mounted in the middle of the top end of the base (1), a stepping motor (52) is fixedly mounted in the middle of the inside of the motor mounting frame (51), a driving gear (56) is fixedly mounted at the driving end of the stepping motor (52), a driven gear (53) is connected to the upper portion of the driving gear (56) in a meshed mode, and the driven gear (53) is fixedly mounted at the end portion of the other side of the threaded rod (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422901038.8U CN223342312U (en) | 2024-11-27 | 2024-11-27 | A lifting platform limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422901038.8U CN223342312U (en) | 2024-11-27 | 2024-11-27 | A lifting platform limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223342312U true CN223342312U (en) | 2025-09-16 |
Family
ID=97024415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422901038.8U Active CN223342312U (en) | 2024-11-27 | 2024-11-27 | A lifting platform limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223342312U (en) |
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2024
- 2024-11-27 CN CN202422901038.8U patent/CN223342312U/en active Active
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