CN214989995U

CN214989995U - Lifting platform buffer device

Info

Publication number: CN214989995U
Application number: CN202120889437.0U
Authority: CN
Inventors: 黄斌
Original assignee: Jinan Bali Lifting Machinery Co ltd
Current assignee: Jinan Bali Lifting Machinery Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-03
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a lift platform buffer mainly relates to the lift platform field. The swing rod is connected to the bottom of the lifting platform in a rotating mode, idler wheels are arranged at the bottom of the swing rod, a check block is arranged at the bottom of the lifting platform, a sliding block is connected to one side of the check block in a sliding mode, an elastic buffer piece is arranged between the check block and the sliding block, a connecting rod is connected to one end of the swing rod in a rotating mode, and the other end of the connecting rod is connected with one side of the sliding block in a rotating mode. The beneficial effects of the utility model reside in that: the impact force of the lifting platform when the lifting platform descends to the ground can be reduced, the stability of the lifting platform staying on the ground is improved, and the safety in the using process is ensured.

Description

Lifting platform buffer device

Technical Field

The utility model relates to a lift platform field specifically is a lift platform buffer.

Background

Present elevating gear, especially, be applied to the lift goods lift in factory, it sets up more crude, the bottom of lift platform is direct and ground contact when falling to the minimum, because the drive structure who adopts is mostly hydraulic stem, the direct rigid and ground contact in bottom of lift platform when consequently it descends to the ground, can pound out less sunken with ground in the past for a long time, and the atress inequality of lift platform its each position when carrying cargo, consequently sunken position is different with the degree, its horizontal performance is relatively poor behind lift platform falls such ground, rock easily or slope, greatly reduced the stability of lift platform when ground stops, there is certain potential safety hazard when making it use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lifting platform buffer, it can reduce the impact force of lifting platform when descending to ground, improves the stability that lifting platform stopped on ground, guarantees the security in the use.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

the utility model provides a lifting platform buffer, is including rotating the pendulum rod of connection in the lifting platform bottom, the bottom of pendulum rod is equipped with the gyro wheel, the bottom of lifting platform is equipped with the dog, the sliding connection of one side of dog has the slider, be equipped with elastic buffer spare between dog and the slider, the one end of pendulum rod is rotated and is connected with the connecting rod, the other end of connecting rod is rotated with one side of slider and is connected.

Further, the bottom of lift platform is equipped with the spout, slider sliding connection is in the spout, the sliding connection of slider symmetry is in the both sides of dog, elastic buffer is compression spring.

Furthermore, the number of the stop blocks is two, an adjusting rod is arranged between the two stop blocks, and the two slide blocks are respectively connected to the outer sides of the two stop blocks in a sliding mode.

Furthermore, a fixed block is arranged in the sliding groove, the adjusting rod is rotatably connected to the fixed block, two thread areas with opposite rotating directions are arranged at two ends of the adjusting rod, and the two thread areas are respectively in threaded connection with the two sliding blocks.

Furthermore, an adjusting nut is fixed on the adjusting rod, a supporting rod is arranged at the end of the oscillating rod, and the roller is located at the bottom of the supporting rod.

Contrast prior art, the beneficial effects of the utility model reside in that:

the utility model arranges the swing rod at the bottom of the lifting platform, the swing rod swings downwards under the action of the elastic buffer part under normal conditions, when the lifting platform descends, the roller at the bottom of the swing rod contacts with the ground firstly, then the swing rod swings along with the descending of the lifting platform, the slide block is pushed to slide towards the stop block under the transmission of the connecting rod to compress the elastic buffer part, so that the elastic buffer part generates reverse elasticity, the descending process of the lifting platform is more relaxed, the impact force on the ground is reduced, the generated depression degree is reduced, the lifting platform is more stably placed on the ground, and after the driving device of the lifting platform descends for a specified distance, the ascending and descending degree is generally slightly larger than the distance between the lifting platform and the ground, more lifting platforms are placed on the ground by relying on the self gravity, and the condition that the service life is reduced due to the continuous traction of the lifting device is avoided, lead to lift platform like this can form more direct impact force with the contact in-process on ground, just can greatly reduced when utilizing this device to cushion the impact that leads to the fact ground, reduce the sunken degree that ground produced, its each position keeps unanimous horizontal degree when making lift platform place, places more stably, uses safelyr.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a right side view of the present invention.

Fig. 3 is a sectional view taken along the direction a-a in fig. 2 according to the present invention.

Fig. 4 is a cross-sectional view taken along the direction B-B in fig. 3 according to the present invention.

Reference numerals shown in the drawings:

1. a lifting platform; 2. a swing rod; 3. a roller; 4. a stopper; 5. a slider; 6. a connecting rod; 7. a chute; 8. a compression spring; 9. adjusting a rod; 10. a fixed block; 11. a threaded region; 12. adjusting the nut; 13. a support rod.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

The utility model relates to a lifting platform buffer device, the main structure comprises a swing rod 2 which is rotationally connected with the bottom of a lifting platform 1 through a pin shaft, two sides of the bottom of the lifting platform 1 are provided with supporting plates, so that the bottom of the lifting platform 1 is at a certain distance from the ground, thus the bottom can be provided with an anti-falling device to ensure the use safety, the bottom of the swing rod 2 is provided with a roller 3, the roller 3 uses a universal wheel in the prior structure to ensure that the roller 3 firstly contacts with the ground and moves on the ground along with the swing of the swing rod 2, so that the device runs more smoothly, the damage to the ground is reduced, the bottom of the lifting platform 1 is provided with a stop block 4, one side of the stop block 4 is slidably connected with a slide block 5, the slide block 5 can slide towards or away from the direction of the stop block 4, an elastic buffer part is arranged between the stop block 4 and the slide block 5, when the slider 5 moves towards the stop block 4, the elastic buffer part can be compressed to generate reverse elastic force, the slider 5 is positioned in the direction away from the stop block 4 under the action of the elastic buffer part when the slider 5 is not stressed, one end of the swing rod 2 is rotatably connected with the connecting rod 6 through the pin shaft, the other end of the connecting rod 6 is rotatably connected with one side of the slider 5 through the pin shaft, the swing rod 2 swings downwards under the action of the elastic buffer part to enable the lifting platform 1 to descend, at first, the roller 3 at the bottom of the swing rod 2 is contacted with the ground, then the swing rod 2 swings to push the slider 5 to slide towards the stop block 4 under the action of the connecting rod 6, the elastic buffer part is compressed, the descending of the lifting platform 1 is more relaxed, the impact on the ground is reduced, the change of the shape of the ground is reduced, the placement of the lifting platform 1 is more stable, and the use is safer.

Preferably, lift platform 1's bottom is equipped with spout 7, and spout 7 is extended by lift platform 1's bottom surface is inwards, 5 sliding connection of slider make slider 5's slip more stable in spout 7, the sliding connection of 5 symmetries of slider is in the both sides of dog 4, elastic buffer is compression spring 8, and compression spring 8's cost is low, and it is convenient to install, and elasticity is lasting, and such setting makes 2 symmetries of pendulum rod set up in lift platform 1's both sides, and the pendulum rod 2 simultaneous pendulums of both sides compress the compression spring 8 of both sides when using, makes the buffering effect better, and the buffering of lift platform 1 both sides is more balanced.

Preferably, dog 4 is two, be equipped with between two dog 4 and adjust pole 9, adjust the distance that pole 9 can adjust between two dog 4, two equal sliding connection of dog 4 are in spout 7 like this, utilize and adjust pole 9 to connect and fix a position, two slider 5 difference sliding connection are in the outside of two dog 4, every slider 5 uses in a dog 4 cooperation respectively, such setting can be through the distance between position change dog 4 and the slider 5 of adjusting dog 4, make compression spring 8's compression degree change, thereby adjust the degree of buffering according to lift platform 1's weight, the environment of use is more various, the adaptability of buffering effect is stronger.

Preferably, be fixed with fixed block 10 through welding or integrated into one piece in the spout 7, it connects on fixed block 10 to adjust pole 9 to rotate through the bearing, the both ends of adjusting pole 9 are equipped with to revolve to two opposite screw thread district 11, two screw thread district 11 respectively with two dog 4 threaded connection, adjust the pole 9 through rotating and can make the dog 4 of both sides relative simultaneously or back-to-back motion, make the distance control range between two dogs 4 bigger, it is more convenient to adjust.

Preferably, there is adjusting nut 12 through welded fastening on adjusting pole 9, utilizes tools such as spanner to rotate adjusting nut 12 during the use, does not need additionally to set up the instrument, uses the current instrument in factory just can realize regulatory function easily, the tip welding of pendulum rod 2 or integrated into one piece be fixed with branch 13, gyro wheel 3 is located the bottom of branch 13, and such setting can make 3 distances of gyro wheel 2 still have certain distance apart from pendulum rod 2, and gyro wheel 3 can keep constantly with the contact on ground when pendulum rod 2 rotates, and the tip of placing pendulum rod 2 produces the motion with ground when the swing and interferes, makes the operation of device more smooth.

The working principle is as follows: the utility model arranges the swing rod 2 at the bottom of the lifting platform 1, the swing rod 2 swings downwards under the action of the elastic buffer part under normal conditions, when the lifting platform 1 descends, the roller 3 at the bottom of the swing rod contacts with the ground firstly, then the swing rod 2 swings along with the descending of the lifting platform 1, the sliding block 5 slides towards the stop block 4 under the transmission of the connecting rod 6 to compress the elastic buffer part, so that the elastic buffer part generates reverse elasticity, the descending process of the lifting platform 1 is more relaxed, the impact force to the ground is reduced, the generated sunken degree is reduced, the lifting platform 1 is more stable to be placed on the ground, and after the driving device of the lifting platform 1 descends for a specified distance, the ascending and descending degree is generally a little larger than the distance between the lifting platform and the ground, the lifting platform 1 is placed on the ground by depending on self gravity more, the condition that the service life is reduced due to the continuous traction of the lifting device is avoided, lead to lifting platform 1 like this can form more direct impact force with the contact in-process on ground, just can greatly reduced when utilizing this device to cushion the impact that leads to the fact ground, reduce the sunken degree that ground produced, its each position keeps unanimous horizontal degree when making lifting platform 1 place, places more stably, uses safelyr.

Claims

1. The utility model provides a lift platform buffer, is including rotating pendulum rod (2) of connecting in lift platform (1) bottom, the bottom of pendulum rod (2) is equipped with gyro wheel (3), its characterized in that: the bottom of lift platform (1) is equipped with dog (4), the sliding connection of one side of dog (4) has slider (5), be equipped with elastic buffer between dog (4) and slider (5), the one end of pendulum rod (2) is rotated and is connected with connecting rod (6), the other end of connecting rod (6) is rotated with one side of slider (5) and is connected.

2. A buffer device for a lifting platform according to claim 1, wherein: the bottom of lift platform (1) is equipped with spout (7), slider (5) sliding connection is in spout (7), the sliding connection of slider (5) symmetry is in the both sides of dog (4), elastic buffer is compression spring (8).

3. A buffer device for a lifting platform according to claim 2, wherein: the number of the stop blocks (4) is two, an adjusting rod (9) is arranged between the two stop blocks (4), and the two sliding blocks (5) are respectively connected to the outer sides of the two stop blocks (4) in a sliding mode.

4. A buffer device for a lifting platform according to claim 3, wherein: be equipped with fixed block (10) in spout (7), adjust pole (9) and rotate to be connected on fixed block (10), the both ends of adjusting pole (9) are equipped with and revolve to two opposite screw thread district (11), two screw thread district (11) respectively with two dog (4) threaded connection.

5. The lift platform cushioning device of claim 4, further comprising: an adjusting nut (12) is fixed on the adjusting rod (9), a supporting rod (13) is arranged at the end part of the oscillating rod (2), and the roller (3) is located at the bottom of the supporting rod (13).