Safety protection lifting appliance for building safety engineering

Abstract

The utility model relates to the technical field of lifting appliances, in particular to a safety protection lifting appliance for building safety engineering, which comprises two symmetrical side supports fixed at the bottom of a top plate, moving wheels fixed at the bottom ends of the side supports, and a lifting mechanism mounted at the top end of the top plate. The bottom end of the lifting mechanism is in transmission connection with a driving part fixed to the bottom of the top plate, side openings are formed in the two sides of the top plate, guide wheels are rotationally installed in the side openings, lifting tools penetrating through the side openings are connected to the two sides of the lifting end of the lifting mechanism, and two symmetrical extension rods are fixed to one side of each side support. The top ends of the lifting appliances are limited through the limiting rings at the ends of the extension rods, materials are prevented from shaking in the transfer process, in addition, the two lifting appliances are elastically connected through the tensioning mechanism, the situation that the two lifting appliances are excessively opened in the lifting work is avoided, the stability of the lifting work is improved, and the safety of the lifting appliances is improved. And the safety protection effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of slings, in particular to a safety protection sling for building safety engineering. Background Art

[0002] A hoist refers to a device used to lift heavy objects in lifting machinery. It is one of the important equipment that is indispensable in the production process. During the construction of construction projects, hoists are often needed to lift and transport building materials to facilitate the construction work of construction personnel.

[0003] The utility model with Chinese patent publication number CN220618128U discloses a safety protection lifting device for construction safety engineering. The device mainly lifts the construction materials by pressing the gripping handle and the lifting rod, cooperating with the U-shaped frame, the main lifting wire and the branch lifting wire. The construction materials are easy to swing during the lifting and transportation process, resulting in bumps and collisions, which affects the stability of the transportation work. Utility Model Content

[0004] The purpose of the utility model is to provide a safety protection lifting device for building safety engineering to solve the problems raised in the above background technology.

[0005] The technical solution of the utility model is: a safety protection lifting device for building safety engineering, including two symmetrical side supports fixed at the bottom of the top plate, movable wheels fixed at the bottom ends of the side supports, a lifting mechanism installed at the top end of the top plate, the bottom end of the lifting mechanism is transmission-connected with a driving member fixed to the bottom of the top plate, side openings are opened on both sides of the top plate, guide wheels are rotatably installed in the side openings, lifting devices passing through the side openings are connected on both sides of the lifting end of the lifting mechanism, two symmetrical extension rods are fixed on one side of the side support, a limiting ring mounted on the top end of the extension rod is fixed, and a tensioning mechanism is fixed between the bottom ends of the two lifting devices.

[0006] The effects achieved by the above components are: the top plate is supported by two side supports and moving wheels, the material is hooked by a sling, and then the driving member is used to drive the lifting mechanism upward to realize the lifting of the material. The limit ring at the end of the extension rod limits the top of the sling to prevent the material from shaking during transportation. In addition, the two slings are elastically connected through the tensioning mechanism to prevent excessive opening of the two slings during lifting, thereby improving the stability of the lifting work and providing good safety protection.

[0007] Preferably, the lifting mechanism includes a screw rotatably mounted on the top plate, the bottom end of the screw is transmission-connected to the drive member, a sleeve is threadedly sleeved on the screw, a groove plate connected to the top of the sling is fixed on the outside of the sleeve, and a top block is fixed to the top of the screw.

[0008] The effect achieved by the above components is: the driving member can drive the screw to rotate, thereby driving the sleeve to drive the hoisted materials to perform lifting work.

[0009] Preferably, the driving member comprises a driving motor fixed to the bottom of the top plate, a worm is fixed to the output shaft of the driving motor, and one side of the worm is drivingly connected to a worm wheel connected to the bottom end of the screw.

[0010] The effects achieved by the above components are: the worm and the worm wheel can be driven to rotate by the driving motor, thereby achieving the driving purpose of the screw, and the self-locking effect of the worm and the worm wheel can be used to limit the rotated screw.

[0011] Preferably, the sling comprises a steel cable fixed in the trough plate, the bottom end of the steel cable passes through the side opening and is connected to a cross bar, the bottom end of the cross bar is fixed with a hook, and the tensioning mechanism is fixed between the two steel cables.

[0012] The effect achieved by the above components is that the material can be hooked through the hook at the bottom of the steel cable, making it easier to lift it.

[0013] Preferably, a guide wheel is rotatably installed in the side opening, and one side of the guide wheel is in contact with the steel cable.

[0014] The effect achieved by the above components is that the steel cable can be guided and supported by the guide wheel.

[0015] Preferably, the side support comprises a side frame fixed on the top of the top plate, two symmetrical connecting rods are fixed between the two side frames, and a push rod is fixed on the outer side of the connecting rod.

[0016] The effect achieved by the above components is that the bottom of the top plate can be stably supported by the side frames and the connecting rods.

[0017] Preferably, the tensioning mechanism comprises a clamping ring fixed on the steel cable, a tensioning rod is hinged on the clamping ring, the top ends of two tensioning rods are hinged and fixed, and a tensioning spring is fixed between the two tensioning rods.

[0018] The effects achieved by the above components are: the two tensioning rods can cooperate with the tensioning spring to pull the two steel cables to achieve elastic connection, and the tensioning spring is used to tension the two steel cables.

[0019] The utility model provides a safety protection lifting device for building safety engineering through improvement, which has the following improvements and advantages compared with the prior art:

[0020] First, the utility model uses two side supports and moving wheels to support the top plate, uses a sling to hook the material, and then uses a driving member to drive the lifting mechanism to move upward to achieve the lifting of the material. The limiting ring at the end of the extension rod limits the top of the sling to prevent the material from shaking during the transportation process.

[0021] Secondly, the utility model uses a tensioning mechanism to elastically connect the two hoisting devices, thereby avoiding excessive opening between the two hoisting devices during hoisting, improving the stability of the hoisting work, and achieving good safety protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a three-dimensional structural schematic diagram of the lifting mechanism in the utility model;

[0025] Figure 3 It is a structural schematic diagram of the lifting mechanism in the utility model;

[0026] Figure 4 It is a three-dimensional structural schematic diagram of the tensioning mechanism in the utility model.

[0027] Description of reference numerals:

[0028] 1. Top plate; 2. Side support; 21. Side frame; 22. Connecting rod; 23. Push rod; 3. Extension rod; 4. Limiting ring; 5. Lifting device; 51. Steel cable; 52. Cross bar; 53. Hook; 6. Tensioning mechanism; 61. Clamp ring; 62. Tensioning rod; 63. Tensioning spring; 7. Moving wheel; 8. Lifting mechanism; 81. Screw; 82. Sleeve; 83. Slot plate; 84. Top block; 9. Driving member; 91. Worm; 92. Worm wheel; 93. Driving motor; 10. Side opening; 11. Guide wheel. DETAILED DESCRIPTION

[0029] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] The utility model provides a safety protection lifting device for building safety engineering through improvement. The technical solution of the utility model is:

[0031] In the embodiment of the present utility model, Figure 1-Figure 4 As shown, a safety protection lifting device for building safety engineering includes two symmetrical side supports 2 fixed at the bottom of a top plate 1, a moving wheel 7 is fixed at the bottom end of the side support 2, the side support 2 includes a side frame 21 fixed at the top of the top plate 1, two symmetrical connecting rods 22 are fixed between the two side frames 21, and a push rod 23 is fixed on the outer side of the connecting rod 22. A lifting mechanism 8 is installed at the top of the top plate 1, and a driving member 9 fixed to the bottom of the top plate 1 is connected to the bottom of the lifting mechanism 8. Side openings 10 are opened on both sides of the top plate 1, and guide wheels 11 are rotatably installed in the side openings 10. Lifting devices 5 passing through the side openings 10 are connected to both sides of the lifting end of the lifting mechanism 8, and guide wheels 11 are rotatably installed in the side openings 10. The guide wheels 11 are One side of the side support 2 is in contact with the steel cable 51, and the steel cable 51 can be guided and supported by the guide wheel 11. Two symmetrical extension rods 3 are fixed on one side of the side support 2, and a limiting ring 4 is fixed on one end of the extension rod 3 and is sleeved on the top of the sling 5. A tensioning mechanism 6 is fixed between the bottom ends of the two slings 5. The tensioning mechanism 6 includes a clamping ring 61 fixed on the steel cable 51, and a tensioning rod 62 is hinged on the clamping ring 61. The top ends of the two tensioning rods 62 are hinged and fixed, and a tensioning spring 63 is fixed between the two tensioning rods 62. The two tensioning rods 62 can cooperate with the tensioning spring 63 to pull the two steel cables 51 to be elastically connected, and the tensioning spring 63 is used to tension the two steel cables 51.

[0032] In the embodiment of the utility model, the lifting mechanism 8 includes a screw 81 rotatably mounted on the top plate 1, the bottom end of the screw 81 is transmission-connected to the driving member 9, a sleeve 82 is threadedly sleeved on the screw 81, a slot plate 83 connected to the top of the sling 5 is fixed on the outer side of the sleeve 82, a top block 84 is fixed on the top of the screw 81, the screw 81 can be driven to rotate by the driving member 9, and then the sleeve 82 is driven to drive the hoisted materials to perform lifting work, the driving member 9 includes a driving motor 93 fixed to the bottom of the top plate 1, the output shaft of the driving motor 93 is fixed with a worm 91, and one side of the worm 91 is transmission-connected to the screw The worm wheel 92 connected to the bottom end of the rod 81 can drive the worm 91 and the worm wheel 92 to rotate through the driving motor 93, thereby achieving the driving purpose of the screw 81. In addition, the self-locking effect of the worm 91 and the worm wheel 92 can be used to limit the rotated screw 81. The sling 5 includes a steel cable 51 fixed in the groove plate 83. The bottom end of the steel cable 51 is connected to a cross bar 52 through the side opening 10. The bottom end of the cross bar 52 is fixed with a hook 53. The tensioning mechanism 6 is fixed between the two steel cables 51. The hook 53 at the bottom end of the steel cable 51 can be used to hook the material, so that it is easy to lift it.

[0033] The working principle of a safety protection sling for building safety engineering provided by the utility model is as follows: the top plate 1 is moved and supported by two side supports 2 and a moving wheel 7, the sling 5 is used to hook the material, and then the driving motor 93 is used to drive the worm 91 and the worm wheel 92 to rotate, thereby achieving the driving purpose of the screw 81, driving the screw 81 to rotate, and then driving the sleeve 82 to drive the hoisted material to perform lifting work, and the driving member 9 drives the lifting mechanism 8 to move upward to realize the lifting of the material, wherein the limit ring 4 at the end of the extension rod 3 limits the top of the sling 5 to prevent the material from shaking during the transportation process, and the tensioning mechanism 6 is used to elastically connect the two slings 5 ​​to prevent excessive opening between the two slings 5 ​​during the lifting work.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety protection lifting device for building safety engineering, comprising a top plate (1) with two symmetrical side supports (2) fixed at the bottom, and a moving wheel (7) fixed at the bottom end of each side support (2), characterized in that: A lifting mechanism (8) is installed at the top of the top plate (1), and the bottom end of the lifting mechanism (8) is transmission-connected to a driving member (9) fixed to the bottom of the top plate (1). Side openings (10) are opened on both sides of the top plate (1), and guide wheels (11) are rotatably installed in the side openings (10). The lifting ends of the lifting mechanism (8) are connected to lifting devices (5) passing through the side openings (10). Two symmetrical extension rods (3) are fixed to one side of the side support (2), and a limiting ring (4) mounted on the top of the lifting device (5) is fixed at one end of the extension rod (3), and a tensioning mechanism (6) is fixed between the bottom ends of the two lifting devices (5).

2. The safety protection lifting device for construction safety engineering according to claim 1 is characterized in that: The lifting mechanism (8) includes a screw rod (81) rotatably mounted on the top plate (1), the bottom end of the screw rod (81) being transmission-connected to the driving member (9), a sleeve (82) being threadedly sleeved on the screw rod (81), a groove plate (83) connected to the top end of the sling (5) being fixed to the outer side of the sleeve (82), and a top block (84) being fixed to the top end of the screw rod (81).

3. The safety protection lifting device for construction safety engineering according to claim 2 is characterized in that: The driving member (9) comprises a driving motor (93) fixed to the bottom of the top plate (1); a worm (91) is fixed to the output shaft of the driving motor (93); and one side of the worm (91) is drivingly connected to a worm wheel (92) connected to the bottom end of the screw (81).

4. The safety protection lifting device for construction safety engineering according to claim 2 is characterized in that: The lifting device (5) includes a steel cable (51) fixed in the groove plate (83), the bottom end of the steel cable (51) passes through the side opening (10) and is connected to a cross bar (52), the bottom end of the cross bar (52) is fixed with a hook (53), and the tensioning mechanism (6) is fixed between the two steel cables (51).

5. The safety protection lifting device for construction safety engineering according to claim 4 is characterized in that: A guide wheel (11) is rotatably mounted in the side opening (10), and one side of the guide wheel (11) is in contact with the steel cable (51).

6. The safety protection lifting device for construction safety engineering according to claim 1 is characterized in that: The side support (2) comprises a side frame (21) fixed to the top of the top plate (1), two symmetrical connecting rods (22) are fixed between the two side frames (21), and a push rod (23) is fixed on the outer side of the connecting rod (22).

7. The safety protection lifting device for construction safety engineering according to claim 4, characterized in that: The tensioning mechanism (6) comprises a clamping ring (61) fixed on the steel cable (51), a tensioning rod (62) is hinged on the clamping ring (61), the top ends of the two tensioning rods (62) are hinged and fixed, and a tensioning spring (63) is fixed between the two tensioning rods (62).

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