CN221169391U

CN221169391U - Height-adjustable lifting workbench

Info

Publication number: CN221169391U
Application number: CN202323013948.4U
Authority: CN
Inventors: 蔡彬彬; 胡凯军
Original assignee: Shanghai Ruiju Metal Products Co ltd
Current assignee: Shanghai Ruiju Metal Products Co ltd
Priority date: 2023-11-07
Filing date: 2023-11-07
Publication date: 2024-06-18
Anticipated expiration: 2033-11-07

Abstract

The application relates to the field of ladders, and particularly discloses a height-adjustable lifting workbench which comprises a ladder frame, a platform and steps, wherein the lifting workbench is arranged on one side of the ladder frame in a lifting manner, a driving assembly for driving the lifting workbench to lift is arranged on the ladder frame, and a vertical climbing ladder is arranged on one side, close to the platform, of the lifting workbench. The lifting table is driven to move up and down by the driving component when the lifting table is used, so that the lifting table is applicable to construction requirements of different heights and is convenient to use.

Description

Height-adjustable lifting workbench

Technical Field

The application relates to the field of ladders, in particular to a lifting workbench with adjustable height.

Background

The Chinese patent with the patent number of CN203114148U discloses a movable ascending ladder, which comprises a ladder frame, a platform arranged at the upper end of the ladder frame and a ladder arranged at one side of the ladder frame, wherein when working at a high place is needed, a worker can climb onto the platform at the top of the ladder frame from the ladder position, so that the working is convenient; casters are arranged at the bottom of the ladder frame, so that the movement is convenient.

In practical use, the movable ladder is found to be inapplicable in certain specific work occasions requiring occasional high and occasional low positions. To this end, the inventors have provided a height-adjustable lifting table.

Disclosure of Invention

In order to facilitate construction, the application provides the lifting workbench with adjustable height, which can effectively improve the overall applicability.

The application provides a lifting workbench with adjustable height, which adopts the following technical scheme:

The utility model provides a height-adjustable's elevating platform, includes ladder frame, platform and ladder, goes up and down in one side of ladder frame to be provided with the elevating platform, be provided with on the ladder frame and be used for the drive elevating platform goes up and down drive assembly, the elevating platform is close to one side of platform is provided with vertical cat ladder.

Through adopting above-mentioned technical scheme, go up and down to set up the elevating platform on the ladder frame, when the construction, can be according to the construction site of co-altitude, remove suitable height through drive assembly drive elevating platform, the staff can climb the elevating platform through ladder and cat ladder and construct, facilitate the use.

Optionally, a rail is vertically fixed at a position on the ladder frame corresponding to the lifting platform, a sliding rail is fixed at the lifting platform corresponding to the rail, and the sliding rail is slidably inserted into the rail.

Through adopting above-mentioned technical scheme, set up track and slide rail, the elevating platform slides along the track through the slide rail, can effectively improve the stability that the elevating platform removed.

Optionally, a plurality of pulleys are arranged on the sliding rail, and the pulleys roll on the inner wall of the rail.

Through adopting above-mentioned technical scheme, set up a plurality of pulleys on the slide rail, the pulley can effectively reduce the slide resistance of slide rail in the track.

Optionally, the drive assembly includes hand wheel, rope and guide pulley, the hand wheel is fixed on the ladder frame, the guide pulley is fixed in the platform downside, the rope pass the guide pulley and both ends connect respectively in the slide rail with on the hand wheel, the lower extreme of cat ladder extends to the below of platform, the end connection of rope in the lower extreme of cat ladder.

Through adopting above-mentioned technical scheme, set up hand wheel and rope, when the height of elevating platform is adjusted to needs, roll up or unreel the rope through rotating the hand wheel to the pulling cat ladder drives slide rail and slides up or descends, thereby control elevating platform reciprocates, simple structure, convenient operation.

Optionally, the track with the slide rail is provided with two sets of side by side, and is located respectively the both sides of cat ladder, the lower extreme of cat ladder is fixed with the lifter, be fixed with rings on the lifter, the rope is in through the couple hook establish on the rings.

By adopting the technical scheme, the two groups of the rails and the slide rails are arranged, so that the connection strength between the lifting seat and the ladder frame can be effectively improved; the lifting ring is fixed on the lifting rod, so that the rope is conveniently connected with the sliding rail.

Optionally, a limiting plate is vertically fixed at a position on the ladder frame corresponding to the track, limiting holes are formed in the limiting plate in a penetrating manner, and a plurality of limiting holes are vertically distributed; the sliding rail is fixedly provided with a bolt, and a pin shaft of the bolt is inserted into the limiting hole.

Through adopting above-mentioned technical scheme, set up limiting plate and bolt, when adjusting the elevating platform to suitable height, through the round pin axle with the bolt inserts the spacing downthehole of limiting plate to fix the elevating platform, prevent that the elevating platform from falling back in the use voluntarily.

Optionally, a moving assembly is arranged at the bottom of the ladder frame, and the moving assembly comprises casters, a wheel frame, a connecting rod and a pull rod; the number of the casters is multiple, and the casters are arranged on the wheel frame; the plurality of connecting rods are arranged, two ends of each connecting rod are respectively hinged with the wheel frame and the bottom of the ladder frame, and the rotating axes of the plurality of connecting rods are horizontally arranged, so that the wheel frame and the bottom of the ladder frame form a parallelogram folding structure; the pull rod is fixed on the wheel frame, and an included angle exists between the pull rod and the wheel frame.

Through adopting above-mentioned technical scheme, set up the wheel carrier and install the truckle on the wheel carrier, connect the wheel carrier in the bottom of ladder frame through a plurality of connecting rods, the wheel carrier forms parallelogram beta structure through the bottom of connecting rod and ladder frame, when needs remove wholly, opens the wheel carrier through pulling the pull rod, makes the truckle move down and with the whole support of ladder frame to make the ladder frame can remove through the truckle.

Optionally, one end of the pull rod far away from the wheel frame is hinged with a handle, the rotation axis of the handle is parallel to the rotation axis of the connecting rod, and a clamping plate for being clamped on the step is fixed on one side of the handle close to the wheel frame.

Through adopting above-mentioned technical scheme, when needs remove the ladder frame, pull the pull rod through the handle and prop up the wheel carrier, then set up the handle on the ladder of one side again to place the joint board in the outside of ladder, make joint board butt in the ladder outside, prevent to remove the automatic withdrawal of in-process wheel carrier of ladder frame.

In summary, the present application includes at least one of the following beneficial technical effects:

1. Through lifting the lifting platform on the ladder frame, during construction, the lifting platform can be driven to move to a proper height through the driving assembly according to construction positions of different heights, and workers can climb onto the lifting platform to construct through steps and climbing ladders, so that the lifting platform is convenient to use;

2. By arranging the hand wheel and the rope, when the height of the lifting platform needs to be adjusted, the rope is wound or unwound by rotating the hand wheel, so that the sliding rail is pulled to slide upwards or descend, the lifting platform is controlled to move upwards and downwards, and the lifting platform is simple in structure and convenient to operate;

3. Through setting up the wheel carrier and installing the truckle on the wheel carrier, connect the wheel carrier in the bottom of ladder frame through a plurality of connecting rods, the wheel carrier forms parallelogram beta structure through the bottom of connecting rod and ladder frame, when needs remove wholly, opens the wheel carrier through pulling the pull rod, makes the truckle move down and with the whole support of ladder frame to make the ladder frame can remove through the truckle.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of a highlighting drive assembly;

FIG. 3 is an enlarged view of area A of FIG. 1;

Fig. 4 is an enlarged view of region B in fig. 1.

Reference numerals: 1. a ladder frame; 11. a step; 12. a platform; 13. a track; 14. a limiting plate; 141. a limiting hole; 15. balancing weight; 2. a lifting table; 21. a slide rail; 22. a pulley; 23. a ladder stand; 24. a lifting rod; 25. a hanging ring; 26. a plug pin; 3. a drive assembly; 31. a hand wheel; 32. a rope; 33. a guide wheel; 34. a hook; 4. a moving assembly; 41. casters; 42. a wheel carrier; 43. a connecting rod; 44. a pull rod; 45. a handle; 46. a clamping plate; 47. and a gas spring.

Detailed Description

The application is described in further detail below with reference to fig. 1-4.

The embodiment of the application discloses a lifting workbench with adjustable height, which comprises a ladder frame 1, a platform 12 arranged at the upper end of the ladder frame 1 and a ladder 11 arranged at one side of the ladder frame 1, wherein the lifting workbench is shown in figures 1 and 2; the lifting table 2 is vertically lifted on one side of the ladder frame 1 away from the ladder 11, and the driving assembly 3 for driving the lifting table 2 to move up and down is arranged on the ladder frame 1, so that the lifting table 2 can be adjusted according to the construction height during use, and the use is convenient.

Referring to fig. 1 to 3, a rail 13 is vertically fixed to one side of the ladder frame 1 near the lifting platform 2, and the rail 13 is provided with two groups respectively positioned at two sides of the ladder frame 1; a sliding rail 21 is arranged on two sides of the lifting platform 2 corresponding to the rail 13, and the sliding rail 21 is inserted into the rail 13 in a sliding way; three pulleys 22 are arranged at positions of the sliding rail 21 corresponding to the inner side walls of the rail 13, the pulleys 22 roll on the three inner side walls of the sliding rail 21, two groups of pulleys 22 are arranged, and the pulleys 22 are respectively positioned at two ends of the sliding rail 21. A ladder stand 23 is vertically fixed on one side of the lifting platform 2 close to the platform 12, and the sliding rails 21 are fixed on two sides of the ladder stand 23, so that the connection strength between the sliding rails 21 and the lifting platform 2 can be improved.

The driving assembly 3 comprises a hand wheel 31, a rope 32 and a plurality of guide wheels 33, wherein the hand wheel 31 is arranged on the ladder frame 1 below the platform 12, and two ends of the rope 32 are respectively connected with the hand wheel 31 and the lower end of the cat ladder 23; the crawling ladder 23 and the sliding extend to the lower part of the platform 12, and the position of the lower end of the crawling ladder 23 can be set according to the distance required to be lifted; a lifting rod 24 is fixed at the lower end of the cat ladder 23, a lifting ring 25 is fixed on the lifting rod 24, a hook 34 is fixed at one end of the rope 32 close to the cat ladder 23, and the hook 34 is hung on the lifting ring 25; a plurality of guide wheels 33 are fixed to the underside of the platform 12 as required, the ropes 32 are threaded into the guide wheels 33, and the angle and direction of the ropes 32 are changed by the guide wheels 33.

When the height of the lifting platform 2 needs to be adjusted, the hand wheel 31 is rotated to wind or unwind the rope 32, so that the crawling ladder 23 can be pulled to move up and down, and the lifting platform 2 is driven to move up and down.

The limiting plate 14 is fixed on the rail 13 along the length direction, limiting holes 141 are formed in the limiting plate 14 in a penetrating mode, and a plurality of limiting holes 141 are uniformly distributed along the length direction of the limiting plate 14. The pin 26 is installed at the position of the cat ladder 23 corresponding to the limiting plate 14, and when the lifting seat is adjusted to a proper height, the pin shaft of the pin 26 is inserted into the limiting hole 141, so that the lifting seat can be fixed, and the lifting seat is prevented from sliding off in use. The limiting plate 14 and the bolt 26 are provided with two groups corresponding to the track 13, so that the fixing strength of the lifting seat can be effectively improved.

Referring to fig. 1, 2 and 4, a moving assembly 4 for facilitating movement of the ladder frame 1 is provided at the bottom of the ladder frame 1, and the moving assembly 4 includes casters 41, a wheel frame 42 and a link 43. The wheel frame 42 is a rectangular frame body, the wheel frame 42 is positioned below the ladder frame 1, and the width of the wheel frame 42 is consistent with the width of the bottom of the ladder frame 1; four casters 41 are provided, and the casters 41 are installed at four corners of the wheel frame 42; four connecting rods 43 are arranged corresponding to the casters 41, two ends of each connecting rod 43 are respectively hinged to the bottom of the wheel frame 42 and the bottom of the ladder frame 1, the connecting rods 43 are parallel to each other, the rotation axes of the connecting rods are parallel to each other, and the wheel frame 42 and the bottom of the ladder frame 1 form a parallelogram folding structure. A pull rod 44 is fixed at one end of the wheel frame 42 near the ladder 11, the pull rod 44 is positioned at the inner side of the bottom of the ladder frame 1, the pull rod 44 is hinged on the ladder frame 1, and the pull rod 44 is consistent with the rotating shaft of the connecting rod 43 at the same side. When the ladder frame 1 needs to be moved, the pull rod 44 is pulled to one side of the ladder frame 1, and the pull rod 44 drives the wheel frame 42 and the connecting rod 43 to rotate, so that the wheel frame 42 is unfolded downwards, the caster wheel 41 jacks up the ladder frame 1 upwards, and the ladder frame 1 can be moved through the caster wheel 41.

A handle 45 is hinged at one end of the pull rod 44 away from the wheel frame 42, and the handle 45 faces one side of the ladder 11; a locking plate 46 is fixed to one side of the handle 45 near the wheel frame 42, and the locking plate 46 protrudes from the handle 45. When the ladder frame 1 needs to be moved, the handle 45 is pulled to prop open the wheel frame 42, then the handle 45 is erected on the ladder 11, and the clamping plate 46 is clamped on the outer side of the ladder 11, so that the retraction of the wheel frame 42 in the process of moving the ladder frame 1 can be prevented.

A gas spring 47 is mounted on one side of the link 43, both ends of the gas spring 47 are respectively hinged to the bottom of the ladder frame 1 and the link 43, and when the wheel frame 42 is folded and stored in the bottom of the ladder frame 1, the gas spring 47 pulls the link 43 to prevent the wheel frame 42 from falling. The counterweight 15 is fixed at one side of the bottom of the ladder frame 1 near the ladder 11, so that the overall weight balance can be improved.

The embodiment of the application discloses a lifting workbench with adjustable height, which comprises the following implementation principles: by arranging the lifting table 2, the driving component 3 and the moving component 4 on the ladder frame 1, the height of the lifting table 2 can be adjusted through the driving component 3 according to construction requirements of different heights during construction, so that construction is convenient; meanwhile, the ladder frame 1 can be moved between different construction positions through the moving assembly 4, so that the use is convenient.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a height-adjustable's elevating platform, includes ladder frame (1), platform (12) and ladder (11), its characterized in that: lifting platforms (2) are arranged on one side of the ladder frame (1) in a lifting mode, driving assemblies (3) used for driving the lifting platforms (2) to lift are arranged on the ladder frame (1), and vertical climbing ladders (23) are arranged on one side, close to the platforms (12), of the lifting platforms (2).

2. A height adjustable lifting platform according to claim 1, wherein: a rail (13) is vertically fixed at the position, corresponding to the lifting platform (2), on the ladder frame (1), a sliding rail (21) is fixed at the position, corresponding to the rail (13), of the lifting platform (2), and the sliding rail (21) is slidably inserted into the rail (13).

3. A height adjustable lifting platform according to claim 2, wherein: the sliding rail (21) is provided with a plurality of pulleys (22), and the pulleys (22) roll on the inner wall of the rail (13).

4. A height adjustable lifting platform according to claim 2, wherein: the driving assembly (3) comprises a hand wheel (31), a rope (32) and a guide wheel (33), wherein the hand wheel (31) is fixed on the ladder frame (1), the guide wheel (33) is fixed on the lower side of the platform (12), the rope (32) penetrates through the guide wheel (33) and two ends of the rope are respectively connected to the sliding rail (21) and the hand wheel (31), the lower end of the cat ladder (23) extends to the lower side of the platform (12), and the end part of the rope (32) is connected to the lower end of the cat ladder (23).

5. The height adjustable lifting platform of claim 4, wherein: the track (13) and the slide rail (21) are arranged in parallel and are respectively positioned on two sides of the cat ladder (23), a lifting rod (24) is fixed at the lower end of the cat ladder (23), a lifting ring (25) is fixed on the lifting rod (24), and the rope (32) is hung on the lifting ring (25) through a hook (34).

6. A height adjustable lifting platform according to claim 2, wherein: a limiting plate (14) is vertically fixed at the position, corresponding to the track (13), of the ladder frame (1), limiting holes (141) are formed in the limiting plate (14) in a penetrating mode, and a plurality of limiting holes (141) are vertically distributed; the sliding rail (21) is fixedly provided with a bolt (26), and a pin shaft of the bolt (26) is inserted into the limiting hole (141).

7. A height adjustable lifting platform according to claim 1, wherein: the bottom of the ladder frame (1) is provided with a moving assembly (4), and the moving assembly (4) comprises a castor (41), a wheel frame (42), a connecting rod (43) and a pull rod (44); the number of the casters (41) is plural, and the casters (41) are mounted on the wheel frame (42); the plurality of connecting rods (43) are arranged, two ends of each connecting rod (43) are respectively hinged with the wheel frame (42) and the bottom of the ladder frame (1), and the rotation axes of the plurality of connecting rods (43) are horizontally arranged, so that the wheel frame (42) and the bottom of the ladder frame (1) form a parallelogram folding structure; the pull rod (44) is fixed on the wheel frame (42), and an included angle exists between the pull rod (44) and the wheel frame (42).

8. The height adjustable lifting platform of claim 7, wherein: one end of the pull rod (44) far away from the wheel frame (42) is hinged with a pull handle (45), the rotation axis of the pull handle (45) is parallel to the rotation axis of the connecting rod (43), and a clamping plate (46) used for being clamped on the step (11) is fixed on one side of the pull handle (45) close to the wheel frame (42).