CN218521022U

CN218521022U - Protection device of lifting operation platform

Info

Publication number: CN218521022U
Application number: CN202222499564.7U
Authority: CN
Inventors: 商杰; 骆贤强; 张玉明
Original assignee: Shandong Haokun Heavy Industry Machinery Group Co ltd
Current assignee: Shandong Haokun Heavy Industry Machinery Group Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-02-24
Anticipated expiration: 2032-09-21

Abstract

The utility model discloses a protection device of lift operation platform belongs to jacking equipment technical field, including base, the elevating platform of setting on the base and the protection frame of setting on the elevating platform, the one corner department of elevating platform upper surface rotates installs the double-screw bolt, drive assembly is installed to the lower extreme of double-screw bolt, the one corner screw thread of protection frame cup joints on the double-screw bolt, the equal fixed mounting in other three corners departments of elevating platform upper surface has the guide pillar, the equal slip of other triangles of protection frame cup joints on the guide pillar, all around and between the elevating platform of protection frame bottom equally install a plurality of flexible railings. This application technical scheme passes through the setting of double-screw bolt, drive assembly and guide pillar, can start drive assembly and drive the double-screw bolt and rotate, makes the guide pillar lead to the protection frame, makes the double-screw bolt drive the protection frame and goes up and down to can adjust the height of protection frame, the personnel of the different heights of being convenient for use.

Description

Protection device of lifting operation platform

Technical Field

The utility model relates to a jacking equipment technical field, more specifically say, relate to a lifting operation platform's protector.

Background

Lifting platform is a multi-functional jack-up loading and unloading mechanical equipment, can divide into fixed and portable: the movable type is divided into a straight arm type, a crank arm type, a scissor type, a mast type, an aluminum alloy lifting platform and a telescopic cylinder type: the fixed type is provided with a scissor fork type, a guide rail type lifting platform, a chain type lifting platform, a loading and unloading platform, an attached type electric construction platform and the like.

The patent document with the prior art publication number of CN212924339U provides a lifting operation platform with a protection function, which comprises a body, a top fixedly connected with connecting plate of the body, a right side fixedly connected with first protection frame at the top of the connecting plate, a left side fixedly connected with second protection frame at the top of the connecting plate, a top and a bottom of the front side of the first protection frame are fixedly connected with first fixed blocks, a T-shaped groove is formed in one side of the two first fixed blocks opposite to each other, a front side of the first protection frame is movably connected with a protection plate, a right side of the top and the bottom of the protection plate is fixedly connected with a T-shaped block used in cooperation with the T-shaped groove, one side of the T-shaped block close to the inner wall of the T-shaped groove is in contact with the inner wall of the T-shaped groove, a left side fixedly connected with connecting block of the protection plate, a front side fixedly connected with second fixed block of the second protection frame, an inner cavity movably connected with a positioning device of the connecting block, a top of the connecting block is provided with a through hole, a rotating rod is movably connected with an inner cavity of the perforated inner cavity, a top fixedly connected with a pull plate of the rotating rod, a top of the second connecting block is provided with a contact block, and a top and a bottom of the second protection frame is fixedly connected with a contact block.

In view of the above-mentioned related art, the inventors found that at least the following problems exist in the art: the height of the protective frame can not be adjusted, and people with different heights have inconvenience when using the protective frame. In view of this, we propose a protection device for a lifting operation platform.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a lifting operation platform's protector to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

A protection device of a lifting operation platform comprises a base, a lifting platform arranged on the base and a protection frame arranged on the lifting platform, wherein a bidirectional screw rod is rotatably arranged at the top of the base, a first motor used for driving the bidirectional screw rod to rotate is arranged at one end of the bidirectional screw rod, two symmetrical screw sleeves are in threaded connection with the surface of the bidirectional screw rod, a guide rod is fixedly arranged at the bottom of the lifting platform, two symmetrical guide sleeves are in sliding sleeve connection with the surface of the guide rod, support rods are rotatably arranged between the screw sleeves and the guide sleeves, and the middles of the two support rods are hinged;

the lifting platform is characterized in that a stud is rotatably mounted at one corner of the upper surface of the lifting platform, a driving assembly is mounted at the lower end of the stud, one corner of the protection frame is sleeved on the stud in a threaded manner, guide pillars are fixedly mounted at other three corners of the upper surface of the lifting platform, other triangles of the protection frame are sleeved on the guide pillars in a sliding manner, and a plurality of telescopic railings are mounted at equal distances between the periphery of the bottom of the protection frame and the lifting platform.

As an alternative scheme of this application technical scheme, the gyro wheel is all installed to the four corners department of base bottom.

As an alternative scheme of this application technical scheme, the spout has been seted up at the top of base, the bottom fixedly connected with slider of swivel nut, slider sliding connection is in the spout.

As an alternative scheme of the technical scheme, telescopic support rods are fixedly mounted at four corners between the base and the lifting platform.

As an alternative of the technical scheme of the application, the driving assembly comprises a second motor installed on the lifting platform, a worm installed at the output end of the second motor, and a worm wheel installed at the lower end of the stud, and the worm is meshed with the worm wheel.

As an alternative scheme of the technical scheme, the upper ends of the stud and the guide pillar are fixedly provided with limiting blocks.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. according to the technical scheme, the first motor can be started to drive the bidirectional screw to rotate through the arrangement of the first motor, the bidirectional screw, the screw sleeves, the guide rod, the guide sleeve and the support rods, so that the bidirectional screw drives the two screw sleeves to move relatively or oppositely, the two support rods rotate in a crossed manner, and the lifting platform can be lifted.

2. This application technical scheme passes through the setting of double-screw bolt, drive assembly and guide pillar, can start drive assembly and drive the double-screw bolt and rotate, makes the guide pillar lead to the protection frame, makes the double-screw bolt drive the protection frame and goes up and down to can adjust the height of protection frame, the personnel of the different heights of being convenient for use.

Drawings

Fig. 1 is a schematic overall structure diagram of a protection device of a lifting work platform disclosed in a preferred embodiment of the present application;

fig. 2 is a front view of a protection device of a lifting platform according to a preferred embodiment of the present application;

fig. 3 is a schematic cross-sectional view of a base of the protection device of the lifting platform disclosed in the preferred embodiment of the present application;

fig. 4 is an enlarged view of a structure a in fig. 2 of the protection device for the elevating platform disclosed in a preferred embodiment of the present application.

The reference numbers in the figures illustrate: 1. a base; 2. a lifting platform; 3. a protective frame; 4. a bidirectional screw; 5. a first motor; 6. a threaded sleeve; 7. a guide bar; 8. a guide sleeve; 9. a support bar; 10. a stud; 11. a drive assembly; 111. a second motor; 112. a worm; 113. a worm gear; 12. a guide post; 13. a telescopic railing; 14. a roller; 15. a chute; 16. a slider; 17. a telescopic strut; 18. and a limiting block.

Detailed Description

The utility model provides a technical scheme:

as shown in fig. 1 and 2, a protection device for a lifting operation platform comprises a base 1, a lifting platform 2 arranged on the base 1 and a protection frame 3 arranged on the lifting platform 2, wherein a plurality of telescopic railings 13 are arranged on the periphery of the bottom of the protection frame 3 and between the lifting platform 2 at equal distances, and idler wheels 14 are arranged at four corners of the bottom of the base 1.

In this embodiment, through the setting of protection frame 3 and flexible railing 13, can protect the personnel on elevating platform 2, through the setting of gyro wheel 14, be convenient for remove the device.

In some technical solutions, as shown in fig. 2 and 3, a bidirectional screw 4 is rotatably mounted at the top of a base 1, a first motor 5 for driving the bidirectional screw 4 to rotate is mounted at one end of the bidirectional screw 4, two symmetrical screw sleeves 6 are in threaded connection with the surface of the bidirectional screw 4, a guide rod 7 is fixedly mounted at the bottom of a lifting platform 2, two symmetrical guide sleeves 8 are slidably sleeved on the surface of the guide rod 7, a support rod 9 is rotatably mounted between the screw sleeves 6 and the guide sleeves 8, and the middle parts of the two support rods 9 are hinged to each other.

In this embodiment, the first motor 5, the two-way screw 4, the threaded sleeves 6, the guide rod 7, the guide sleeve 8 and the support rod 9 are arranged, so that the first motor 5 can be started to drive the two-way screw 4 to rotate, the two-way screw 4 drives the two threaded sleeves 6 to move relatively or oppositely, the two support rods 9 rotate in a crossed manner, and the lifting platform 2 can be lifted.

In some technical solutions, as shown in fig. 2 and 3, a sliding groove 15 is formed in the top of the base 1, a sliding block 16 is fixedly connected to the bottom of the threaded sleeve 6, the sliding block 16 is slidably connected in the sliding groove 15, and telescopic struts 17 are fixedly mounted at four corners between the base 1 and the lifting platform 2.

In this embodiment, through the cooperation of spout 15 and slider 16, can play slip limiting displacement to swivel nut 6, through the setting of telescopic strut 17, can play the spacing supporting role to the four corners of elevating platform 2, improve the stability of elevating platform 2.

In some technical solutions, as shown in fig. 1 and fig. 2, a stud 10 is rotatably installed at one corner of the upper surface of the lifting table 2, a driving assembly 11 is installed at the lower end of the stud 10, one corner of the protection frame 3 is sleeved on the stud 10 through threads, guide pillars 12 are fixedly installed at the other three corners of the upper surface of the lifting table 2, other triangles of the protection frame 3 are sleeved on the guide pillars 12 in a sliding manner, and limit blocks 18 are fixedly installed at the upper ends of the stud 10 and the guide pillars 12.

In this embodiment, through the setting of double-screw bolt 10, drive assembly 11 and guide pillar 12, can start drive assembly 11 and drive double-screw bolt 10 and rotate, make guide pillar 12 lead to protection frame 3, make double-screw bolt 10 drive protection frame 3 and go up and down to can adjust the height of protection frame 3, the personnel of the different heights of being convenient for use.

In some embodiments, as shown in fig. 4, the driving assembly 11 includes a second motor 111 mounted on the lifting platform 2, a worm 112 mounted at an output end of the second motor 111, and a worm wheel 113 mounted at a lower end of the stud 10, wherein the worm 112 is engaged with the worm wheel 113.

In this embodiment, the driving assembly 11 is arranged to start the second motor 111 to rotate the worm 112, so that the worm 112 drives the worm wheel 113 to rotate, and the worm wheel 113 drives the stud 10 to rotate.

The implementation principle of the application is as follows: through first motor 5, two-way screw rod 4, swivel nut 6, guide arm 7, the setting of guide pin bushing 8 and bracing piece 9, can start first motor 5 and drive two-way screw rod 4 and rotate, make two-way screw rod 4 drive two swivel nuts 6 relative or opposite movement, make two bracing pieces 9 alternately rotate, thereby can go up and down to elevating platform 2, through double-screw bolt 10, the setting of drive assembly 11 and guide pillar 12, can start drive assembly 11 and drive double-screw bolt 10 and rotate, make guide pillar 12 lead to protection frame 3, make double-screw bolt 10 drive protection frame 3 go up and down, thereby can adjust the height of protection frame 3, the personnel of being convenient for different heights use.

Claims

1. The utility model provides a protector of lift operation platform, includes base (1), sets up elevating platform (2) on base (1) and sets up protection frame (3) on elevating platform (2), its characterized in that: the lifting platform is characterized in that a bidirectional screw (4) is rotatably mounted at the top of the base (1), a first motor (5) for driving the bidirectional screw (4) to rotate is mounted at one end of the bidirectional screw (4), two symmetrical screw sleeves (6) are in threaded connection with the surface of the bidirectional screw (4), a guide rod (7) is fixedly mounted at the bottom of the lifting platform (2), two symmetrical guide sleeves (8) are slidably sleeved on the surface of the guide rod (7), a support rod (9) is rotatably mounted between each screw sleeve (6) and each guide sleeve (8), and the middle parts of the two support rods (9) are hinged;

the utility model discloses a protection device for the elevator, including elevating platform (2), drive assembly, protection frame (3), other triangle department of elevating platform upper surface, elevating platform (2) upper surface, one corner department rotates and installs double-screw bolt (10), drive assembly (11) are installed to the lower extreme of double-screw bolt (10), the one corner screw of protection frame (3) cup joints on double-screw bolt (10), other three angle departments of elevating platform (2) upper surface all fixed mounting have guide pillar (12), the equal slip of other triangles of protection frame (3) cup joints on guide pillar (12), a plurality of flexible railing (13) are installed to the impartial distance between the protection frame (3) bottom all around and elevating platform (2).

2. A safety guard for a lift platform according to claim 1, wherein: the four corners of base (1) bottom all install gyro wheel (14).

3. The lift work platform guard of claim 1, wherein: the top of the base (1) is provided with a sliding groove (15), the bottom of the threaded sleeve (6) is fixedly connected with a sliding block (16), and the sliding block (16) is connected in the sliding groove (15) in a sliding mode.

4. A safety guard for a lift platform according to claim 1, wherein: the four corners between the base (1) and the lifting platform (2) are fixedly provided with telescopic supporting rods (17).

5. A safety guard for a lift platform according to claim 1, wherein: the driving assembly (11) comprises a second motor (111) arranged on the lifting platform (2), a worm (112) arranged at the output end of the second motor (111) and a worm wheel (113) arranged at the lower end of the stud (10), and the worm (112) is meshed with the worm wheel (113).

6. The lift work platform guard of claim 1, wherein: and the upper ends of the stud (10) and the guide post (12) are fixedly provided with limit blocks (18).