Material elevator for construction site

By designing a drop-proof lifting frame in the material elevator on the construction site, and using the cooperation of the boom, limiting rod and spring, the safety hazards caused by the break of the traction rope during the material lifting process are solved, and the safety improvement of the lifting process is achieved .

CN222454190UActive Publication Date: 2025-02-11ZHEJIANG JINGRUI CONSTR CO LTD
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Patent Information

Application Number
CN202420962638.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2025-02-11
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

During the use of the material hoist on the construction site, due to the material weight and aging of the traction rope, the traction rope is easily broken, causing the frame and materials to fall off quickly, damage and pose a major safety hazard.

Method used

A material hoist including a frame, lifting track and drop-proof lifting rack was designed. The anti-drop lifting frame uses the cooperation of the suspender, limit rod and spring to achieve the timely insertion of the limit slot of the lifting track after the traction rope is broken, so as to achieve the purpose of limit fixation and enhance the safety of material lifting.

Benefits of technology

It effectively avoids the situation where the frame and materials fall after the rope is broken, enhances the safety performance of materials and ensures the safety of operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of construction site material carrying, and particularly relates to a construction site material hoister which comprises a frame, a hoisting track and an anti-falling hoisting frame, and a limiting sleeve which is arranged on the hoisting track in a sliding and sleeving mode is fixedly connected to a top frame integrally arranged on the upper portion of the frame. The anti-falling lifting frame comprises a lifting rod inserted into the top frame, the two ends of a connecting base arranged at the lower end of the lifting rod are rotationally connected with limiting rods, the ends of the limiting rods are inserted into limiting grooves formed in the lifting rail at equal intervals, and the lifting rod is sleeved with a spring. According to the utility model, the anti-falling lifting frame is arranged on the frame for lifting materials, and when the rope body is broken in the material lifting process, the end head of the limiting rod is inserted into the limiting groove of the lifting track in time, so that the purposes of limiting and fixing are achieved, the safety of material lifting is enhanced, and the anti-falling effect in the use process is conveniently achieved; and the lifting rope is timely limited and fixed after being broken, so that the safety performance of operation and use is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of material handling at a construction site, in particular to a material hoist at a construction site. Background Art

[0002] In the process of construction, various materials are usually needed. Some large materials are carried manually, which is extremely inconvenient. At that time, people will use material hoists to lift some materials to a relative position for personnel to use, which greatly improves the efficiency of construction and reduces the labor intensity of personnel.

[0003] However, during the use of construction material hoists, due to the weight of the materials and the aging of the traction rope, it is very easy for the traction rope to break during the material lifting process. When the traction rope breaks, the frame and the materials inside it fall rapidly, and after hitting the ground, the frame and the materials inside are damaged, and there is a major safety hazard. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a material hoist for a construction site, which solves the problem that the traction rope is easily broken due to the weight of the material and the aging of the traction rope, causing the frame and the material inside it to fall quickly, damaging the material, and posing a major safety hazard.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0008] A material hoist for a construction site comprises a frame, a lifting track and an anti-drop lifting frame, wherein a top frame integrally arranged on the upper part of the frame is fixedly connected with a limit sleeve which is slidingly arranged on the lifting track, and an anti-drop lifting frame is arranged on the top frame, and the anti-drop lifting frame comprises a suspension rod inserted into the top frame, and both ends of a connecting seat arranged at the lower end of the suspension rod are rotatably connected with the limit rod, and the end of the limit rod is inserted into the limit groove which is evenly spaced on the lifting track, and a spring is arranged on the suspension rod.

[0009] Furthermore, the two ends of the suspension rod are bent and sequentially pass through the through holes opened on the top frame and the connecting seat to be threadedly connected with the limit nuts, the limit nuts are threadedly connected to the threaded sections at the two end heads of the suspension rod, and a rope ring is fixedly connected at the middle position of the suspension rod, and the rotating shaft seat integrally arranged on the connecting seat is rotatably connected to one end of the limit rod through the rotating shaft, and the other end of the limit rod is initially inserted into the limit groove of the lifting rail, and the connecting ear fixedly connected on the limit rod is rotatably connected to the axle pin seat arranged on the top frame through an axle pin, the limit rod is through-placed on the placement groove opened on the top frame, and the lower end of the spring sleeved on the suspension rod abuts against the connecting seat, and the upper end abuts against the top frame.

[0010] Furthermore, a filling rack is fixedly connected to the frame, a baffle is fixedly connected to the filling rack, and a door body is rotatably connected to the frame via a hinge, and a handle is fixedly connected to the door body.

[0011] (III) Beneficial effects

[0012] Compared with the prior art, the utility model provides a material hoist for a construction site, which has the following beneficial effects:

[0013] The utility model installs an anti-drop lifting frame on the frame for lifting materials. When the rope breaks during the material lifting process, the end of the limit rod is promptly inserted into the limit groove of the lifting track to achieve the purpose of limit fixation, enhance the safety of material lifting, and play an anti-dropping role during use. After the lifting rope breaks, the limit fixation is promptly performed to improve the safety performance of operation and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the frame in the utility model;

[0016] Figure 3 It is a structural schematic diagram of the anti-drop lifting frame in the utility model.

[0017] In the figure: 1. frame; 101. filling frame; 102. top frame; 1021. placement groove; 1022. axle pin seat; 103. limiting sleeve; 2. lifting track; 201. limiting groove; 3. anti-drop lifting frame; 301. suspension rod; 3011. rope ring; 3012. limiting nut; 302. connecting seat; 303. spring; 304. limiting rod; 3041. connecting ear; 4. door body; 401. handle; 5. baffle. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0019] Example

[0020] like Figure 1 , Figure 2 and Figure 3 As shown, an embodiment of the utility model proposes: a material hoist for a construction site, including a frame 1, a lifting track 2 and an anti-drop lifting frame 3. The top frame 102 integrally arranged on the upper part of the frame 1 is fixedly connected with a limiting sleeve 103 arranged on the lifting track 2, which is convenient for the frame 1 to slide up and down smoothly on the lifting track 2 under the action of the limiting sleeve 103, which is convenient for the smooth and stable operation of the frame 1, and the anti-drop lifting frame 3 is arranged on the top frame 102, which is convenient for playing an anti-dropping role during use, and the limit fixation is carried out in time after the suspension rope breaks, which effectively avoids the safety hazard of the frame 1 falling and improves the safety performance. The anti-drop lifting frame 3 includes a plug-in on the top frame 102 The suspension rod 301 ensures that the entire lifting frame and the lifting rope are stably connected together to facilitate effective lifting and handling operations of materials, and the two ends of the connecting seat 302 arranged at the lower end of the suspension rod 301 are rotatably connected to the limiting rod 304, and the end of the limiting rod 304 is inserted into the limiting groove 201 opened at equal intervals on the lifting track 2, so that the limiting rod 304 and the lifting track 2 can be used to cooperate with each other during use to achieve the purpose of effectively limiting and fixing the frame 1, avoid falling after the rope breaks, and improve the safety performance of operation. The suspension rod 301 is equipped with a spring 303 to ensure that the limiting rod 304 can be reset and inserted into the limiting groove 201 in time after the rope breaks during use, so as to achieve stable and effective limiting operation.

[0021] like Figure 1 and Figure 3As shown, in some embodiments, the two ends of the suspension rod 301 are bent and sequentially pass through the through holes on the top frame 102 and the connecting seat 302 to be threadedly connected with the limiting nut 3012, so that the suspension rod 301 can be stably installed on the top frame 102. During use, it can slide smoothly on the suspension rod 301, so that when the suspension rod 301 is pulled by the lifting rope, it can slide on the top frame 102, thereby driving the limiting rod 304 to rotate on the top frame 102, so that the end of the limiting rod 304 is inserted into the limiting groove 201 of the lifting rail 2, and effective limiting fixation is performed, so that the frame 1 is limited on the lifting rail 2, or moves out of the limiting groove 201, and the limiting fixation is cancelled, so that the frame 1 slides smoothly on the lifting rail 2. The limiting nut 3012 is threadedly connected to the threaded sections at the two end parts of the suspension rod 301. The limiting nut 3012 cooperates with the suspension rod 301 to stably limit the suspension rod 301 on the connecting seat 302, so that the two are stably connected together, and a rope ring 3011 is fixedly connected at the middle position of the suspension rod 301, so that the lifting rope can be stably connected to the suspension rod 301, so that the hoist can pull the frame 1 to slide on the lifting track 2 while winding the rope, so as to achieve effective lifting and handling operations of the materials stored on the frame 1, and the rotating shaft seat integrally arranged on the connecting seat 302 is rotatably connected to one end of the limiting rod 304 through the rotating shaft, so that when the rope is pulled or the rope is broken, the limiting rod 304 can be The lifting rail 2 can rotate smoothly, and the end of the limit rod 304 is inserted into the upper limit groove 201 of the lifting rail 2 for limiting, or the end of the limit rod 304 is separated from the limit groove 201 on the lifting rail 2 to cancel the limit, so that the limit rod 304 can be inserted into the limit groove 201 for timely and effective limiting and fixing at the moment when the lifting rope breaks, effectively avoiding the situation that the material frame 1 of the storage building falls after the rope breaks, and enhancing the safety of material lifting. The other end of the limit rod 304 is initially inserted into the limit groove 201 of the lifting rail 2, and the connecting ear 3041 fixedly connected to the limit rod 304 is rotatably connected to the axle pin seat 1022 set on the top frame 102 through the axle pin, so that the limit rod 304 can rotate smoothly on the top frame 102 In order to facilitate timely limit fixing and anti-falling operations and enhance the safety of material lifting, the limit rod 304 is placed in the placement groove 1021 opened on the top frame 102, which is convenient for the limit rod 304 to rotate smoothly on the top frame 102 and ensure stable use. The lower end of the spring 303 sleeved on the suspension rod 301 abuts on the connecting seat 302, and the upper end abuts on the top frame 102, which is convenient for lifting the suspension rod 301 and the connecting seat 302 to move upward when the suspension rope is pulled, and at the same time compressing the spring 303. After the suspension rope breaks, the spring 303 pushes the connecting seat 302 and the limit rod 304 to move and reset, ensuring that the end of the limit rod 304 is inserted into the limit groove 201, and the limit fixing is achieved in time and effectively to achieve the purpose of anti-falling.

[0022] like Figure 1 and Figure 2 As shown, in some embodiments, a filling rack 101 is fixedly connected to the frame 1, and a baffle 5 is fixedly connected to the filling rack 101. The baffle 5 is stably connected to the frame 1 by means of the filling rack 101, and the periphery of the frame 1 is enclosed to form a storage cavity for storing building materials, thereby ensuring effective storage of the building materials to facilitate subsequent lifting operations of the materials, and a door body 4 is rotatably connected to the frame 1 via hinges, and a handle 401 is fixedly connected to the door body 4 to ensure that the door body 4 is smoothly installed on the frame 1 and is smoothly rotated during use, so that the handle 401 can be held by hand to smoothly open and close the door body 4, thereby stably storing the building materials in the storage cavity space formed on the frame 1 to complete the stable lifting operation of the building materials.

[0023] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A material hoist at a construction site, comprising a frame (1), a hoisting track (2) and an anti-drop hoisting frame (3), characterized in that: A limit sleeve (103) slidably mounted on the lifting track (2) is fixedly connected to a top frame (102) integrally arranged on the upper part of the frame (1), and an anti-drop lifting frame (3) is arranged on the top frame (102), the anti-drop lifting frame (3) comprises a suspension rod (301) inserted on the top frame (102), and the two ends of a connecting seat (302) arranged at the lower end of the suspension rod (301) are rotatably connected to a limit rod (304), the end of the limit rod (304) is inserted into a limit groove (201) provided at equal intervals on the lifting track (2), and a spring (303) is sleeved on the suspension rod (301).

2. A material hoist for a construction site according to claim 1, characterized in that: The two ends of the suspension rod (301) are bent and sequentially pass through the through holes provided on the top frame (102) and the connecting seat (302) to be threadedly connected with the limiting nut (3012); the limiting nut (3012) is threadedly connected to the threaded sections at the two end parts of the suspension rod (301); a rope ring (3011) is fixedly connected at the middle position of the suspension rod (301); and a rotating shaft seat integrally provided on the connecting seat (302) is rotatably connected to one end of the limiting rod (304) via a rotating shaft; the other end of the limiting rod (304) is initially inserted into the limiting groove (201) of the lifting track (2).

3. The material hoist at a construction site according to claim 2, characterized in that: The connecting ear (3041) fixedly connected to the limit rod (304) is rotatably connected to an axle pin seat (1022) provided on the top frame (102) through an axle pin, the limit rod (304) is placed in a through-type placement groove (1021) provided on the top frame (102), and the lower end of the spring (303) sleeved on the suspension rod (301) abuts against the connecting seat (302) and the upper end abuts against the top frame (102).

4. The material hoist at a construction site according to claim 1, characterized in that: The frame (1) is fixedly connected to a filling frame (101), the filling frame (101) is fixedly connected to a baffle (5), and the frame (1) is rotatably connected to a door body (4) via a hinge, and the door body (4) is fixedly connected to a handle (401).