CN220811791U

CN220811791U - Lifting device

Info

Publication number: CN220811791U
Application number: CN202322203345.4U
Authority: CN
Inventors: 白骁璐; 郭庆腾; 潘传力
Original assignee: Tianjin Construction Engineering Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Tianjin Construction Engineering Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-04-19
Anticipated expiration: 2033-08-16

Abstract

The utility model relates to a lifting device, which belongs to the technical field of building construction, in particular to a lifting device, comprising a bottom plate, wherein a plurality of universal wheels are fixedly arranged on the bottom wall surface of the bottom plate, a lifting plate is arranged at the top of the bottom plate, and positioning sleeves are fixedly connected to two sides of the bottom plate; the hinge grooves are formed in the front, back, left and right sides of the top wall surface of the lifting plate, guard rails are arranged in the four hinge grooves, and the bottom ends of the guard rails are rotatably arranged on the inner side walls of the hinge grooves through hinge shafts; the spring is fixedly connected to the wall surface of the bottom of the inside of the hinge groove, the top end of the spring is fixedly connected with an arc-shaped clamping block, and a plurality of clamping grooves are formed in the side wall of the guard rail; according to the utility model, the guard rails at the two ends can be used for protecting personnel, so that constructors are prevented from accidentally falling, the workers can be protected during construction, and the problems that the personnel have poor protection effect and fall easily occur during working on the upper surface are solved.

Description

Lifting device

Technical Field

The utility model relates to the technical field of building construction, in particular to a lifting device.

Background

In the building construction process, when a higher position needs to be constructed, a construction elevator is often required, the construction elevator is usually called a construction elevator, but the construction elevator comprises a wider definition, a construction platform also belongs to a construction elevator series, and is a man-carrying and cargo-carrying construction machine frequently used in a building, and the elevator is a multifunctional lifting mechanical device and can be divided into a fixed type, a movable type, a guide rail type, a crank arm type, a scissor type, a chain type and the like.

Through retrieving, refer to application number CN201821895505.9 discloses a construction elevating gear, including construction ground, shear type crane and top board, the base has been settled to the top on construction ground, the constant head tank has been seted up to the inside of extension piece, the pneumatic cylinder is installed in the outside of shear type crane, the hydraulic stem is installed to the one end of pneumatic cylinder, the left and right sides of pneumatic cylinder all is provided with the connecting rod, the lower surface welding of top board has the fixed shell, the internally mounted of fixed shell has the battery, the upper surface edge welding of top board has the guardrail.

The utility model provides a have the function of whether it is even to measure the ground that locates by oneself in the above-mentioned application file for the function of device is diversified, and has avoided construction elevating gear to appear the condition of slope when fixing, can carry out timely adjustment to it when construction elevating gear takes place to incline, guarantee the security that the staff used the device, secondly this construction elevating gear's bottom and construction ground between the fixity stronger, in actual use, need artifical bare-handed climbing during the use, lead to the security not enough, and some automatic elevating gear in use still have some defects, the during operation guard effect is relatively poor above when the personnel, easily take place to fall the phenomenon.

Disclosure of utility model

In order to solve the technical problems, the utility model provides the lifting device, personnel can be protected through the guard rails at the two ends, the constructors are prevented from falling accidentally, and the protection of the workers during construction is realized.

The technical solution for realizing the purpose of the utility model is as follows: the lifting device comprises a bottom plate, wherein a plurality of universal wheels are fixedly arranged on the bottom wall surface of the bottom plate, a lifting plate is arranged at the top of the bottom plate, and positioning sleeves are fixedly connected to two sides of the bottom plate;

The hinge grooves are formed in the front, back, left and right sides of the top wall surface of the lifting plate, guard rails are arranged in the four hinge grooves, and the bottom ends of the guard rails are rotatably arranged on the inner side walls of the hinge grooves through hinge shafts;

The spring, spring fixed connection is on the inside bottom wall of hinge groove, and the top fixedly connected with arc fixture block of spring, arc fixture block sliding connection is in the inside of hinge groove, and the top of arc fixture block is laminated with the bottom wall of rail guard, has seted up a plurality of draw-in grooves on the lateral wall of rail guard, and a plurality of draw-in grooves are located the bottom both sides of rail guard and the lateral wall bottom of rail guard respectively, and a plurality of draw-in grooves correspond with each other with the position of arc fixture block.

In some embodiments, the lifting plate and a side wall surface close to the bottom plate are provided with movable grooves, the upper side wall surface and the lower side wall surface of the limiting slide plate are also provided with movable grooves, four corners of the top wall surface of the bottom plate are fixedly provided with limiting sleeve grooves, the left side and the right side of the bottom wall surface of the lifting plate are fixedly provided with movable plates, the bottoms of the two movable plates are respectively and slidably connected inside the similar limiting sleeve grooves, and a through groove is formed in one side wall surface close to the two movable plates.

In some embodiments, a limiting slide plate with two ends respectively connected in a similar through groove is arranged between the two movable plates, the left side wall surface and the right side wall surface of the limiting slide plate are both provided with limiting plates connected in the movable plates in a sliding manner, the top wall surface of the limiting slide plate is fixedly connected with a movable sleeve groove, and the inside of the movable sleeve groove is fixedly connected with a hydraulic rod which extends outwards through the upper side and the lower side of the movable sleeve groove.

In some embodiments, the upper end and the lower end of the hydraulic rod are fixedly connected with connecting jackets, the inside of the two connecting jackets is movably connected with a cross rod, and the two sides of the two ends of the cross rod are movably hinged with mounting sleeves which are in sliding connection with the inside of the similar movable groove.

In some embodiments, the inside swing joint of positioning sleeve has the screw sleeve, and positioning sleeve's inside wall circumference equidistance fixed mounting has a plurality of limit laths, and a plurality of side slots have been seted up to circumference equidistance on screw sleeve's the lateral wall, limit lath sliding connection is in the inside of side slot.

In some embodiments, the inside swing joint of screw sleeve has the movable groove, and the lead screw runs through the top wall of positioning sleeve and extends to the outside of positioning sleeve, and the top wall fixedly connected with runner of lead screw, the bottom wall fixedly connected with anti-skidding landing leg of screw sleeve.

Compared with the prior art, the utility model, its apparent advantage is:

The method comprises the following steps: according to the utility model, before a constructor stands on the top end of the lifting plate, the protective guard is pulled to rotate from the inside of the hinge groove, so that the arc-shaped clamping blocks are separated from the inside of the clamping groove, and after the protective guard is attached to one end of the hinge groove, the spring rapidly pushes the arc-shaped clamping blocks to pop out and be clamped with the clamping groove, so that the protective guard is positioned, thus, when the constructor stands on the top end of the lifting plate, the protective guard at the two ends can protect the constructor, the constructor is prevented from falling accidentally, and the protection of the constructor during construction is realized;

And two,: according to the lifting device, after a worker stands on the top end of the lifting plate, the hydraulic rods are started to drive the connecting jackets on two sides to move, the connecting jackets move and simultaneously push the lifting plate to lift through the cross rod, the mounting sleeves at two ends of the cross rod slide in the movable groove and the limiting slide plate respectively, so that the cross rod can be limited, the stability of the cross rod in movement is ensured, the limiting slide plate moves in the movable groove, the limiting plates on two sides of the limiting slide plate are attached to the two sides of the movable plate to limit the limiting slide plate in movement, the movable plate moves in the limiting sleeve groove to keep the stability of the lifting plate, and the stability of the lifting device in lifting is improved;

And two,: according to the utility model, after the device is moved to a proper position, the rotating wheel is rotated to drive the screw rod to rotate, the screw rod is rotated to drive the threaded sleeve at the bottom end to descend, the limiting strips at two sides of the inside of the positioning sleeve limit the threaded sleeve through the side grooves, and the threaded sleeve descends to drive the anti-skid support legs to descend, so that the anti-skid support legs are attached to the ground to improve the friction force with the ground, the device is prevented from being deviated, the device can be conveniently positioned, and unexpected deviation is prevented.

Solves the problems that the prior personnel have poor protection effect and fall phenomenon easily occurs when working on the upper surface.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic side view of a movable plate according to the present utility model;

FIG. 3 is a schematic side cross-sectional view of the hinge slot of the present utility model;

Fig. 4 is a schematic cross-sectional elevation view of the positioning sleeve of the present utility model.

Reference numerals illustrate:

1. A lifting plate; 2. a guard rail; 3. a hinge groove; 4. a limit sliding plate; 5. a limiting plate; 6. a rotating wheel; 7. positioning a sleeve; 8. an anti-slip leg; 9. a bottom plate; 10. a universal wheel; 11. a threaded sleeve; 12. a screw rod; 13. a hydraulic rod; 14. a limit sleeve groove; 15. a movable sleeve groove; 16. a connecting jacket; 17. a movable plate; 18. a cross bar; 19. a spring; 20. an arc-shaped clamping block; 21. a mounting sleeve; 22. a movable groove; 23. a through groove; 24. a clamping groove; 25. limit lath; 26. side grooves.

Detailed Description

The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments 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.

The utility model provides a lifting device through improvement, and the technical scheme of the utility model is as follows:

As shown in fig. 1-3, a lifting device comprises a bottom plate 9, wherein a plurality of universal wheels 10 which are convenient for pushing the device to move are fixedly arranged on the bottom wall surface of the bottom plate 9, a lifting plate 1 is arranged at the top of the bottom plate 9, positioning sleeves 7 are fixedly connected to two sides of the bottom plate 9, and the lifting device further comprises a hinge groove 3 and a spring 19;

The hinge grooves 3 are formed in the front, back, left and right sides of the top wall surface of the lifting plate 1, guard rails 2 are arranged in the four hinge grooves 3, and the bottom ends of the guard rails 2 are rotatably arranged on the inner side walls of the hinge grooves 3 through hinge shafts;

The spring 19 is fixedly connected to the inner bottom wall surface of the hinge groove 3, the top end of the spring 19 is fixedly connected with an arc-shaped clamping block 20, the arc-shaped clamping block 20 is slidably connected to the inside of the hinge groove 3, the top end of the arc-shaped clamping block 20 is attached to the bottom wall surface of the protective fence 2, a plurality of clamping grooves 24 are formed in the side wall of the protective fence 2, the clamping grooves 24 are respectively located on two sides of the bottom end of the protective fence 2 and the bottom of the side wall of the protective fence 2, and the clamping grooves 24 correspond to the arc-shaped clamping blocks 20 in position; when constructor stands before the top of lifter plate 1, pulling rail guard 2 earlier turns up it from the inside of articulated groove 3, makes arc fixture block 20 break away from draw-in groove 24's inside, laminates rail guard 2 behind the one end of articulated groove 3, spring 19 promotes arc fixture block 20 fast and pops out and block with draw-in groove 24 looks block to fix a position rail guard 2, the rail guard 2 at both ends can protect the personnel when constructor stands on the top of lifter plate 1 like this, prevents that constructor from unexpected falling, has realized can protect the workman when the construction.

As shown in fig. 1 and 2, in an embodiment, a movable groove 22 is formed on a similar side wall surface of a lifting plate 1 and a bottom plate 9, movable grooves 22 are formed on upper and lower side wall surfaces of a limiting slide plate 4, movable sleeve grooves 14 are fixedly mounted at four corners of a top wall surface of the bottom plate 9, movable plates 17 are fixedly mounted at left and right sides of a bottom wall surface of the lifting plate 1, bottom ends of the two movable plates 17 are respectively and slidably connected in the similar limiting sleeve grooves 14, through grooves 23 are formed on a similar side wall surface of the two movable plates 17, a limiting slide plate 4 with two ends respectively and slidably connected in the similar through grooves 23 is arranged between the two movable plates 17, limiting plates 5 which are slidably connected in the movable plates 17 are respectively arranged on the left and right side wall surfaces of the limiting slide plate 4, movable sleeve grooves 15 are fixedly connected on top wall surfaces of the limiting slide plate 4, hydraulic rods 13 which extend outwards through the upper and lower sides of the movable sleeve grooves 15 are fixedly connected in the movable sleeve grooves 15, connecting rods 16 are fixedly connected at the upper and lower ends of the movable sleeve 13, cross rods 18 which are connected in the movable sleeve grooves 18 are connected in the movable sleeve grooves 21 in the movable sleeve grooves 22, and two ends of the movable sleeve grooves 18 are slidably connected in the movable sleeve grooves 18; after the worker stands on the top end of the lifting plate 1, the hydraulic rod 13 is started to drive the connecting jackets 16 on two sides to move, the lifting plate 1 is pushed to lift through the cross rod 18 while the connecting jackets 16 move, the mounting sleeves 21 on two ends of the cross rod 18 slide in the movable groove 22 and the limiting slide plate 4 respectively, the cross rod 18 can be limited, the stability of the cross rod 18 during movement is guaranteed, the limiting slide plate 4 moves in the through groove 23, the limiting plates 5 on two sides of the limiting slide plate 4 are attached to the limiting slide plate 4 while moving on two sides of the movable plate 17 to limit the limiting slide plate 4, the stability of the lifting plate 1 can be kept by moving in the limiting sleeve groove 14, and the stability of the lifting device during lifting can be improved is realized.

As shown in fig. 1 and fig. 4, in an embodiment, a threaded sleeve 11 is movably connected inside a positioning sleeve 7, a plurality of limit slats 25 are fixedly installed on the circumference of the inner side wall of the positioning sleeve 7 at equal intervals, a plurality of side grooves 26 are formed on the circumference of the side wall of the threaded sleeve 11 at equal intervals, the limit slats 25 are slidably connected inside the side grooves 26, a movable groove 22 is movably connected inside the threaded sleeve 11, a screw rod 12 extends to the outside of the positioning sleeve 7 through the top wall surface of the positioning sleeve 7, a rotating wheel 6 is fixedly connected to the top wall surface of the screw rod 12, and an anti-slip supporting leg 8 is fixedly connected to the bottom wall surface of the threaded sleeve 11; after the device moves to a proper position, the rotating wheel 6 drives the screw rod 12 to rotate, the screw rod 12 rotates and drives the threaded sleeve 11 at the bottom to descend, the limiting strips 25 at the two sides of the inner part of the positioning sleeve 7 limit the threaded sleeve 11 through the side grooves 26, and the threaded sleeve 11 descends and drives the anti-slip supporting legs 8 to descend, so that the anti-slip supporting legs 8 are attached to the ground to improve the friction force with the ground, the device is prevented from being deviated, and the device can be conveniently positioned and unexpected deviation is prevented.

The specific working method is as follows: firstly, when a constructor stands on the top end of the lifting plate 1, the protective guard 2 is pulled to rotate from the inside of the hinge groove 3, the arc-shaped clamping blocks 20 are separated from the inside of the clamping groove 24, the protective guard 2 is attached to one end of the hinge groove 3, and then the spring 19 rapidly pushes the arc-shaped clamping blocks 20 to pop up to be clamped with the clamping groove 24, so that the protective guard 2 is positioned, and thus, when the constructor stands on the top end of the lifting plate 1, the protective guard 2 at the two ends can protect the constructor, the constructor is prevented from falling accidentally, and the protection of the constructor during construction is realized; after a worker stands on the top end of the lifting plate 1, the hydraulic rod 13 is started to drive the connecting jackets 16 on two sides to move, the lifting plate 1 is pushed to lift by the cross rod 18 while the connecting jackets 16 move, a plurality of mounting sleeves 21 on two ends of the cross rod 18 slide in the movable groove 22 and the limiting slide plate 4 respectively, the cross rod 18 can be limited, the stability of the cross rod 18 during movement is ensured, the limiting slide plate 4 moves in the through groove 23 while the limiting plates 5 on two sides of the limiting slide plate 4 are attached to two sides of the movable plate 17 to limit the limiting slide plate 4, the movable plate 17 moves in the limiting sleeve groove 14 to keep the stability of the lifting plate 1, and the stability of the lifting device during lifting is improved; after the device moves to a proper position, the rotating wheel 6 drives the screw rod 12 to rotate, the screw rod 12 rotates and drives the threaded sleeve 11 at the bottom to descend, the limiting strips 25 at the two sides of the inner part of the positioning sleeve 7 limit the threaded sleeve 11 through the side grooves 26, and the threaded sleeve 11 descends and drives the anti-slip supporting legs 8 to descend, so that the anti-slip supporting legs 8 are attached to the ground to improve the friction force with the ground, the device is prevented from being deviated, and the device can be conveniently positioned and unexpected deviation is prevented.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, and also comprises the technical scheme consisting of the technical characteristics and the equivalent substitution. The present utility model is not limited to the prior art.

Claims

1. The utility model provides a lifting device, includes bottom plate (9), and bottom wall fixed mounting of bottom plate (9) has a plurality of universal wheels (10), and the top of bottom plate (9) is provided with lifter plate (1), and the equal fixedly connected with of both sides of bottom plate (9) positioning sleeve (7), its characterized in that: also comprises;

The hinge grooves (3) are formed in the front, back, left and right sides of the top wall surface of the lifting plate (1), guard rails (2) are arranged in the four hinge grooves (3), and the bottom ends of the guard rails (2) are rotatably arranged on the inner side walls of the hinge grooves (3) through hinge shafts;

Spring (19), spring (19) fixed connection is on the inside bottom wall of articulated groove (3), the top fixedly connected with arc fixture block (20) of spring (19), arc fixture block (20) sliding connection is in the inside of articulated groove (3), and the top of arc fixture block (20) is laminated with the bottom wall of rail guard (2), a plurality of draw-in grooves (24) have been seted up on the lateral wall of rail guard (2), a plurality of draw-in grooves (24) are located the bottom both sides of rail guard (2) and the lateral wall bottom of rail guard (2) respectively, and the position of a plurality of draw-in grooves (24) and arc fixture block (20) corresponds each other.

2. A lifting device according to claim 1, wherein: the movable groove (22) has all been seted up to a similar lateral wall face on lifter plate (1) and bottom plate (9), movable groove (22) has also been seted up to the upper and lower both sides wall face of spacing slide (4), four equal fixed mounting in corner of top wall face of bottom plate (9) have stop collar groove (14), equal fixed mounting in both sides has fly leaf (17) about the bottom wall face of lifter plate (1), the bottom of two fly leaf (17) is sliding connection respectively inside similar stop collar groove (14), logical groove (23) has been seted up to a lateral wall face that two fly leaf (17) are close.

3. A lifting device according to claim 2, wherein: limiting sliding plates (4) with two ends respectively connected inside similar through grooves (23) in a sliding mode are arranged between the two movable plates (17), limiting plates (5) connected inside the movable plates (17) in a sliding mode are arranged on the left side wall surface and the right side wall surface of each limiting sliding plate (4), movable sleeve grooves (15) are fixedly connected to the top wall surface of each limiting sliding plate (4), and hydraulic rods (13) extending outwards from the upper side and the lower side of each movable sleeve groove (15) are fixedly connected to the inner side of each movable sleeve groove (15).

4. A lifting device according to claim 3, wherein: the hydraulic rod (13) is fixedly connected with connecting jackets (16) at the upper end and the lower end, cross rods (18) are movably connected in the two connecting jackets (16), and mounting sleeves (21) which are slidably connected in similar movable grooves (22) are movably hinged to two sides of the two ends of each cross rod (18).

5. A lifting device according to claim 1, wherein: the inside swing joint of positioning sleeve (7) has threaded sleeve (11), and the inside wall circumference equidistance fixed mounting of positioning sleeve (7) has a plurality of limit laths (25), and a plurality of side slots (26) have been seted up to circumference equidistance on the lateral wall of threaded sleeve (11), and limit lath (25) sliding connection is in the inside of side slot (26).

6. A lifting device according to claim 5, wherein: the inside swing joint of screw sleeve (11) has movable groove (22), and lead screw (12) run through the top wall of positioning sleeve (7) and extend to the outside of positioning sleeve (7), and the top wall fixedly connected with runner (6) of lead screw (12), the bottom wall fixedly connected with anti-skidding landing leg (8) of screw sleeve (11).