CN220012002U - Elevating platform with safety protection function - Google Patents

Abstract

The utility model belongs to the technical field of lifting equipment, and particularly relates to a lifting table with a safety protection function, which comprises a base and a bedplate, wherein a scissor lifting arm is arranged between the bedplate and the base, a hydraulic cylinder for driving the scissor lifting arm to move is arranged on the scissor lifting arm, a hydraulic station is arranged on the base and connected with the hydraulic cylinder, at least two groups of support rods are arranged between the base and the bedplate and positioned at two sides of the scissor lifting arm, an annular air cushion is arranged at the lower end face of the bedplate, one end of the air cushion is connected with an air pump through a connecting pipe, and the air pump is arranged at the lower end face of the bedplate; an acceleration sensor is arranged at one end of the bedplate, and the acceleration sensor is used for controlling the switch of the air pump; and the four corners of the lower end surface of the base are respectively provided with a movable wheel. The defect of the prior art is overcome, the buffer supporting rod and the buffer air cushion are added to protect the lifting platform, and serious safety accidents caused by the fault of the lifting platform are avoided.

Description

Elevating platform with safety protection function

Technical Field

The utility model belongs to the technical field of lifting equipment, and particularly relates to a lifting table with a safety protection function.

Background

The lifting platform is common lifting equipment and is widely applied to various fields such as cargo carrying lifting, automobile maintenance, facility maintenance and the like.

When the existing lifting platform is used, dust, foreign matters and the like often enter the lifting machine or the oil cylinder, so that internal elements of the lifting machine are oxidized, and the oil cylinder is damaged; when the hydraulic jack is used, if the oil cylinder is damaged, the supporting table of the elevator can suddenly fall, so that safety accidents are caused.

Disclosure of Invention

The utility model aims to provide a lifting table with a safety protection function, which overcomes the defects of the prior art, and a buffer supporting rod and an air cushion are added to protect the lifting table, so that serious safety accidents caused by the failure of an oil cylinder of the lifting table are avoided.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

the lifting table with the safety protection function comprises a base and a table plate, wherein a scissor lifting arm is arranged between the table plate and the base, a hydraulic cylinder for driving the scissor lifting arm to move is arranged on the scissor lifting arm, a hydraulic station is arranged on the base and connected with the hydraulic cylinder, at least two groups of support rods are arranged between the base and the table plate and positioned on two sides of the scissor lifting arm, an annular air cushion is arranged on the lower end face of the table plate, one end of the air cushion is connected with an air pump through a connecting pipe, and the air pump is arranged on the lower end face of the table plate; an acceleration sensor is arranged at one end of the bedplate, and the acceleration sensor is used for controlling the switch of the air pump; and the four corners of the lower end surface of the base are respectively provided with a movable wheel.

Further, the bracing piece includes inside hollow support piece, inserts and establishes the connecting rod in support piece, installs the supporting spring in support piece, support piece sets firmly on the base, the top and the platen fixed connection of connecting rod, the both ends of supporting spring respectively with support piece and connecting rod fixed connection.

Further, the movable wheel comprises a support and a wheel rotatably installed in the support, one end of a rotating shaft of the wheel penetrates through the support, a rotary table is fixedly arranged on the outer side of the rotary table, a plurality of positioning holes are uniformly formed in the periphery of the rotary table, a plug pin is inserted into the positioning holes, and the plug pin is inserted into the support.

Further, the up end of support has set firmly the connecting rod, the mounting bracket has set firmly to the lower terminal surface of base, and the internally mounted of mounting bracket has buffer spring, the connecting rod is inserted and is established to in the mounting bracket, and the top of connecting rod has set firmly the connecting plate, connecting plate and buffer spring fixed connection.

Further, the one end of connecting plate has set firmly the threaded rod, set up the spout that holds the threaded rod and pass through on the lateral wall of mounting bracket, the one end of threaded rod extends to its outside through the spout, the outside threaded connection of threaded rod has fixation nut, and one side surface butt of fixation nut in the support outside.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the lifting platform is protected by adding the buffer supporting rods and the air cushion, so that the sudden drop of the lifting platform is protected, and serious safety accidents caused by the fault of the lifting platform are avoided.

2. The lifting platform is conveniently moved through the arrangement of the moving wheels, and is conveniently fixed by the arrangement of the rotating disc and the bolt.

Drawings

Fig. 1 is a schematic structural diagram of a lifting platform with a safety protection function.

Fig. 2 is a schematic structural view of a movable wheel in a lifting platform with a safety protection function.

Fig. 3 is a schematic structural view of a supporting rod in a lifting platform with a safety protection function.

In the figure: 1. a platen; 2. a base; 3. a scissor lift arm; 4. a hydraulic cylinder; 5. a hydraulic station; 6. a moving wheel; 61. a mounting frame; 62. a buffer spring; 63. a connecting plate; 64. a connecting rod; 65. a fixing nut; 66. a chute; 67. a threaded rod; 68. a bracket; 69. a wheel; 610. a turntable; 611. positioning holes; 7. a support rod; 71. a support; 72. a connecting rod; 73. a support spring; 8. an acceleration sensor; 9. an air pump; 10. and (5) an air cushion.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, the lifting platform with the safety protection function comprises a base 2 and a bedplate 1, wherein a scissor lifting arm 3 is arranged between the bedplate 1 and the base 2, a hydraulic cylinder 4 for driving the scissor lifting arm 3 to move is arranged on the scissor lifting arm 3, a hydraulic station 5 is arranged on the base 2, the hydraulic station 5 is connected with the hydraulic cylinder 4, at least two groups of support rods 7 are arranged between the base 2 and the bedplate 1, the support rods 7 are positioned on two sides of the scissor lifting arm 3, an annular air cushion 10 is arranged on the lower end surface of the bedplate 1, one end of the air cushion 10 is connected with an air pump 9 through a connecting pipe, and the air pump 9 is arranged on the lower end surface of the bedplate 1; an acceleration sensor 8 is arranged at one end of the bedplate 1, and the switch of the air pump 9 is controlled by the acceleration sensor; the four corners of the lower end surface of the base 2 are respectively provided with a movable wheel 6.

In order to buffer the bedplate 1, the supporting rod 7 comprises a supporting piece 71 with a hollow inside, a connecting rod 7264 inserted into the supporting piece 71 and a supporting spring 73 installed in the supporting piece 71, wherein the supporting piece 71 is fixedly arranged on the base 2, the top end of the connecting rod 7264 is fixedly connected with the bedplate 1, and two ends of the supporting spring 73 are respectively fixedly connected with the supporting piece 71 and the connecting rod 7264; the support springs 73 are all in a compressed state and always provide an upward supporting force.

In order to facilitate movement, the moving wheel 6 comprises a bracket 68 and a wheel 69 rotatably installed in the bracket 68, one end of a rotating shaft of the wheel 69 penetrates through the bracket 68, a rotary table 610 is fixedly arranged on the outer side of the rotating shaft, a plurality of positioning holes 611 are uniformly formed in the periphery of the rotary table 610, and a plug pin is inserted into the positioning holes 611 and is inserted into the bracket 68.

In order to cushion the movement, the upper end surface of the bracket 68 is fixedly provided with a connecting rod 7264, the lower end surface of the base is fixedly provided with a mounting frame 61, the inside of the mounting frame 61 is provided with a buffer spring 62, the connecting rod 7264 is inserted into the mounting frame 61, the top end of the connecting rod 7264 is fixedly provided with a connecting plate 63, and the connecting plate 63 is fixedly connected with the buffer spring 62.

For fixing, one end of the connecting plate 63 is fixedly provided with a threaded rod 67, a side wall of the mounting frame 61 is provided with a chute 66 for accommodating the threaded rod 67 to pass through, one end of the threaded rod 67 extends to the outside of the threaded rod through the chute 66, the outer side of the threaded rod 67 is in threaded connection with a fixing nut 65, and one side surface of the fixing nut 65 is abutted to the outer side of the bracket 68.

When an accident or sudden drop occurs, the upward supporting force of the supporting spring 73 supports the bedplate 1 at first, so that the bedplate 1 is prevented from suddenly falling down, when the bedplate 1 rapidly falls down, the acceleration sensor 8 detects a signal and then controls the air pump 9 to rapidly inflate the air cushion 10, the falling impact of the bedplate 1 is buffered, and the damage to personnel is avoided.

When the lifting platform needs to be moved, the fixing nut 65 is only required to be unscrewed, the bolt is taken down, the lifting platform is moved to a required position by applying external force, jolt is buffered through the buffer spring 62 in the moving process, the nut is screwed down after the jolt is transported to the position, and the bolt is inserted for fixing.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a elevating platform with safety protection function, includes base (2) and platen (1), be provided with between platen (1) and base (2) and cut fork lift arm (3), and install hydraulic cylinder (4) that drive its motion on cutting fork lift arm (3), install hydraulic pressure station (5) on base (2), and hydraulic pressure station (5) are connected with hydraulic cylinder (4), its characterized in that: at least two groups of support rods (7) are arranged between the base (2) and the bedplate (1), the support rods (7) are positioned on two sides of the scissor lifting arm (3), an annular air cushion (10) is arranged on the lower end face of the bedplate (1), one end of the air cushion (10) is connected with an air pump (9) through a connecting pipe, and the air pump (9) is arranged on the lower end face of the bedplate (1); an acceleration sensor (8) is arranged at one end of the bedplate (1), and the switch of the air pump (9) is controlled by the acceleration sensor; and moving wheels (6) are arranged on four corners of the lower end surface of the base (2).

2. The lifting platform with a safety protection function according to claim 1, wherein: the support rod (7) comprises a support piece (71) with a hollow inside, connecting rods (72) (64) inserted into the support piece (71) and support springs (73) installed in the support piece (71), the support piece (71) is fixedly arranged on the base (2), the top ends of the connecting rods (72) (64) are fixedly connected with the bedplate (1), and two ends of the support springs (73) are fixedly connected with the support piece (71) and the connecting rods (72) (64) respectively.

3. The lifting platform with a safety protection function according to claim 1, wherein: the movable wheel (6) comprises a support (68) and a wheel (69) rotatably installed in the support (68), one end of a rotating shaft of the wheel (69) penetrates through the support (68), a rotary table (610) is fixedly arranged on the outer side of the rotary table, a plurality of positioning holes (611) are uniformly formed in the periphery of the rotary table (610), a plug pin is inserted into the positioning holes (611), and the plug pin is inserted into the support (68).

4. A lifting platform with safety protection function according to claim 3, characterized in that: connecting rods (72) (64) are fixedly arranged on the upper end face of the support (68), a mounting frame (61) is fixedly arranged on the lower end face of the base, a buffer spring (62) is mounted in the mounting frame (61), the connecting rods (72) (64) are inserted into the mounting frame (61), connecting plates (63) are fixedly arranged on the top ends of the connecting rods (72) (64), and the connecting plates (63) are fixedly connected with the buffer spring (62).

5. The lifting platform with a safety protection function according to claim 4, wherein: threaded rod (67) has been set firmly to the one end of connecting plate (63), set up spout (66) that hold threaded rod (67) and pass through on the lateral wall of mounting bracket (61), the one end of threaded rod (67) extends to its outside through spout (66), the outside threaded connection of threaded rod (67) has fixation nut (65), and one side surface butt of fixation nut (65) is in the support (68) outside.