Hoisting tool for building
By adding a lifting mechanism and worm gear transmission structure to the construction hoisting equipment, combined with a rotating boom and detachable plug-in rod, the problems of complex structure and poor safety of existing equipment are solved, achieving rapid installation, flexible adjustment and high safety hoisting effect.
Patent Information
- Application Number
- CN202520318866.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-02-26
AI Technical Summary
Existing construction hoisting equipment has a complex structure, is cumbersome to install and dismantle, lacks a fixed support mechanism, has poor flexibility, poses safety hazards, and cannot adjust the angle, affecting construction efficiency and safety.
A lifting mechanism is added to drive the telescopic assembly for height adjustment. A worm gear transmission structure is used to achieve a self-locking function. Combined with a rotating boom and a detachable plug-in rod, it is equipped with lifting clamps to automatically clamp materials, improving safety and flexibility.
It enables rapid installation and disassembly of lifting tools, improving safety and flexibility, adapting to lifting needs at different locations and heights, and ensuring the safety and reliability of the lifting process.
Smart Images

Figure CN223632977U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of building construction equipment, specifically, especially relates to a hoisting tool for building. BACKGROUND
[0002] In the building construction process, often need to use hoisting tool to hoist various building materials etc. Especially for the indoor construction of step ladder building, hoisting tool plays an important role for the hoisting of construction waste, sand, cement and other building materials.
[0003] Among them, the patent of the authorized announcement number CN220811661U discloses a kind of building engineering hoisting equipment, and its support beam surface is provided with limiting component for keeping hoisting assembly stable, the top surface of support beam is provided with alarm component for monitoring wind force, position adjusting component includes second motor, and second motor is fixedly installed on the left side of base, in use, it is realized that the effect of conveniently hoisting building materials stably, avoids the situation that violent shaking occurs in the hoisting process of building materials, thereby guaranteeing the safety of building materials hoisting process.
[0004] However, the above hoisting equipment still has the following deficiencies: 1, the structure is complex, and the installation and disassembly process is tedious, and the building materials and construction waste need to be loaded into the storage box for hoisting by other equipment, which leads to low construction efficiency; 2, the hoisting equipment lacks a fixed support mechanism, and the safety of the equipment cannot be guaranteed during hoisting, which has safety hazards; 3, the support beam cannot adjust the angle when in use, and the flexibility is poor. UTILITY MODEL CONTENTS
[0005] The utility model solves the technical problems: overcome the deficiencies of prior art, provide a kind of hoisting tool for building, its additional lifting mechanism drives telescopic component to be telescopic and carry out height adjustment, so that the top support plate can be in contact with indoor building ceiling, thereby playing the role of supporting and positioning, avoiding the device to be turned on one side due to hoisting material being too heavy when hoisting, greatly improve the safety of hoisting.
[0006] The hoisting tool for building, including base, fixedly connected with support rod on base, fixedly connected with lifting mechanism on support rod, lifting mechanism upper portion is equipped with telescopic component, telescopic component includes slidingly matched limiting pipe and telescopic pipe, lifting mechanism drives telescopic pipe to move, limiting pipe outside is rotatably connected with rotary hoist arm, rotary hoist arm front end is rotatably connected with fixed pulley, telescopic pipe top is fixedly connected with rod sleeve, rod sleeve is equipped with pulley mechanism corresponding with fixed pulley, rod sleeve is equipped with detachable plug-in rod, plug-in rod top is equipped with top support plate, base is fixedly connected with driving mechanism.
[0007] Preferably, the rod sleeve is fixedly connected with the telescopic pipe through a flange, a lower supporting plate is fixedly connected in the rod sleeve, at least one insertion block is fixedly connected with the inner wall of the rod sleeve, and an insertion slot matched with the insertion block is formed in the insertion rod.
[0008] Preferably, the bottom of the limiting tube is fixedly connected with the shell of the lifting mechanism, at least one sliding block is fixedly connected with the inner wall of the limiting tube, the telescopic pipe is arranged in the limiting tube, and a sliding groove matched with the sliding block is formed in the telescopic pipe.
[0009] Preferably, the lifting mechanism is rotatably connected with a worm gear and a worm, one end of the worm is provided with a hand wheel, a lead screw is arranged in the worm gear, the lower end of the lead screw is connected with the center hole of the worm gear through a key, a lead screw nut is arranged on the lead screw, a fixed ring is welded in the telescopic pipe, the lead screw passes through the fixed ring, and the lead screw nut is fixedly connected with the fixed ring.
[0010] Preferably, the rotating hanging arm comprises a rotating sleeve, the rotating sleeve is rotatably connected with the limiting tube, an adjusting handle is fixedly connected with the rotating sleeve, a hanging arm support is fixedly connected with the side of the rotating sleeve away from the adjusting handle, and a fixed pulley is rotatably arranged at one end of the hanging arm support away from the rotating sleeve.
[0011] Preferably, the driving mechanism comprises a speed reducer motor and a steel wire rope winder, and the output end of the speed reducer motor is connected with the central shaft of the steel wire rope winder.
[0012] Preferably, the steel wire rope winder is wound with a steel wire rope, the steel wire rope passes through the pulley mechanism and the fixed pulley in sequence, and a hoisting clamp is fixedly connected with the tail end of the steel wire rope.
[0013] Preferably, the hoisting clamp comprises a supporting shaft, left connecting rods and right connecting rods are rotatably connected with the two ends of the supporting shaft respectively, connecting shafts are rotatably connected with the other ends of the two left connecting rods and the two right connecting rods respectively, clamping jaws are rotatably connected with the two ends of the two connecting shafts respectively, and a rotating shaft is rotatably connected with the middle part of the clamping jaws.
[0014] Preferably, a positioning pin is fixedly connected with the position close to the middle part of the left connecting rod or the right connecting rod, a limiting hook is rotatably connected with the positioning pin, and a limiting pin matched with the limiting hook is fixedly connected with the clamping jaw on the same side of the left connecting rod or the right connecting rod.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] 1. The upper part of the hoisting tool adopts the insertion mode, is convenient and fast to install, and the lifting mechanism is additionally arranged to drive the telescopic component to telescope, so that the height of the telescopic component can be adjusted, the top supporting plate can be abutted with the indoor building ceiling, the supporting and positioning effect is achieved, the device is prevented from being laterally overturned due to the overloading of hoisted materials, and the safety of hoisting is greatly improved.
[0017] 2. The lifting mechanism adopts a worm and gear transmission structure, has a self-locking function, so that the height of the hoisting tool can remain unchanged after the lifting mechanism stops height adjustment, and the support reliability of the device is improved.
[0018] 3. The utility model discloses compact structure, flexible operation, safe and reliable, has lifting and rotation function, can satisfy different position and height hoisting demand, and hoisting fixture can be automatic clamping in hoisting process, and safety reliability is higher. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is whole structure schematic of the utility model Figure One ;
[0020] Figure 2 It is whole structure schematic of the utility model Figure Two ;
[0021] Figure 3 It is connecting schematic drawing of plug -in rod and rod cover;
[0022] Figure 4 It is inside structure schematic drawing of rod cover;
[0023] Figure 5 It is split schematic drawing of telescopic subassembly and lifting mechanism;
[0024] Figure 6 It is inside structure schematic drawing of lifting mechanism;
[0025] Figure 7 It is structure schematic drawing when hoisting fixture opens;
[0026] Figure 8 It is structure schematic drawing when hoisting fixture clamps.
[0027] In the drawing, 1, plug -in rod;101, top support plate;102, plug -in groove;2, rod cover;201, plug -in block;202, lower support plate;3, pulley mechanism;4, telescopic subassembly;401, telescopic pipe;402, sliding slot;403, limit tube;404, sliding block;5, rotary suspension arm;501, rotary sleeve;502, adjusting handle;503, suspension arm support;504, fixed pulley;6, lifting mechanism;601, lead screw;602, hand wheel;603, worm wheel;604, worm;7, support rod;8, base;9, steel wire rope winder;10, speed reducer motor;11, hoisting fixture;1101, lifting hook;1102, support shaft;1103, right connecting rod;1104, clamping jaw;1105, rotating shaft;1106, limit pin;1107, positioning pin;1108, limit hook;1109, left connecting rod;12, steel wire rope. DETAILED DESCRIPTION
[0028] The utility model will be further described below with reference to the drawings:
[0029] The orientation terms involved in the paragraphs of detailed description are only for the convenience of the person skilled in the art to understand the technical solutions recorded in the present application according to the visual orientation shown in the drawings. Except for explicit provisions and limitations, the terms "set", "install", "connect" and the like should be understood broadly, and for the person skilled in the art, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.
[0030] As Figures 1 to 8 A building hoisting tool, including base 8, base 8 is as the foundation support component of hoisting tool, preferably high-strength steel material is made, and base 8 has larger contact area with ground, can ensure that there is sufficient stability when carrying heavy objects. Base 8 is fixedly connected with support rod 7, and support rod 7 is further fixedly connected with base 8 through four obliquely arranged reinforcing ribs, to ensure that support rod 7 has sufficient bending and compression resistance.
[0031] Support rod 7 is fixedly connected with lifting mechanism 6, and lifting mechanism 6 includes a shell, the shell is rotatably connected with the meshing worm wheel 603 and worm 604, the structure of worm wheel and worm transmission has self-locking function, so that the height of hoisting tool can remain unchanged after lifting mechanism 6 stops adjusting, improve the safety of hoisting. One end of worm 604 is provided with hand wheel 602, and the operator can manually rotate hand wheel 602 to drive worm 604 to rotate, when worm 604 rotates, the worm wheel 603 meshing with it will also rotate. Worm wheel 603 is provided with a lead screw 601, specifically, the lower end of lead screw 601 is fixedly connected with the center hole of worm wheel 603 through a key, so that the rotation of worm wheel 603 will drive lead screw 601 to rotate synchronously. Lead screw 601 is provided with a lead screw nut, and the telescopic pipe 401 is welded with a fixed ring, the lead screw 601 passes through the fixed ring, and the lead screw nut is fixedly connected with the fixed ring. Therefore, when the lead screw 601 rotates, the lead screw nut will move up and down along the lead screw 601, thereby driving the telescopic pipe 401 to move, realizing the lifting function.
[0032] The upper part of the lifting mechanism 6 is provided with a telescopic assembly 4, which comprises a limiting tube 403 and a telescopic tube 401 in sliding fit, the bottom of the limiting tube 403 is fixedly connected with the shell of the lifting mechanism 6, the inner wall of the limiting tube 403 is fixedly connected with a sliding block 404 on each side, the telescopic tube 401 is slidingly arranged in the limiting tube 403, and a sliding groove 402 matched with the sliding block 404 is formed in the telescopic tube 401. Through the cooperation of the sliding block 404 and the sliding groove 402, not only can the telescopic tube 401 smoothly slide in the limiting tube 403, but also can play a guiding and limiting role, preventing the telescopic tube 401 from deviating or shaking during movement. The telescopic tube 401 is fixedly connected with a flange, the telescopic tube 401 is connected with the rod sleeve 2 through the flange, and a hole is formed in the middle of the flange for the screw rod 601 to pass through, which can avoid interference of the flange when the telescopic tube 401 is retracted.
[0033] The limiting tube 403 is rotatably connected with a rotating boom 5 outside, the rotating boom 5 comprises a rotating sleeve 501, the rotating sleeve 501 is rotatably connected with the limiting tube 403 through a bearing, so that the rotating boom 5 can rotate circumferentially around the limiting tube 403. The rotating sleeve 501 is fixedly connected with an adjusting handle 502, and an operator can control the rotation angle of the rotating boom 5 by operating the adjusting handle 502. The side of the rotating sleeve 501 away from the adjusting handle 502 is fixedly connected with a boom support 503, and the end of the boom support 503 away from the rotating sleeve 501 is rotatably connected with a fixed pulley 504. The fixed pulley 504 changes the direction of the steel wire rope 12, facilitating hoisting operation.
[0034] The telescopic tube 401 is fixedly connected with a rod sleeve 2 at the top, the rod sleeve 2 is fixedly connected with the telescopic tube 401 through a flange plate, the flange plate is connected in a firm and detachable manner, facilitating replacement or maintenance of the rod sleeve 2 when needed. The rod sleeve 2 is fixedly connected with a lower support plate 202, two plug-in blocks 201 fixedly connected with the inner wall of the rod sleeve 2 are arranged above the lower support plate 202, and a plug-in groove 102 matched with the plug-in blocks 201 is formed in the plug-in rod 1. Through the cooperation of the plug-in blocks 201 and the plug-in groove 102, the plug-in rod 1 can be detachably installed in the rod sleeve 2, and the installation and disassembly are more convenient, saving time and effort. The plug-in rod 1 is provided with a top support plate 101 at the top, which is used for abutting against the indoor building ceiling, thereby playing a supporting and positioning role, avoiding device rollover during hoisting, and greatly improving the safety of hoisting.
[0035] The rod sleeve 2 is provided with a pulley mechanism 3 corresponding to the fixed pulley 504, the pulley mechanism 3 comprises a pulley frame, a pulley is rotatably arranged in the pulley frame, and the pulley frame is fixedly connected with the rod sleeve 2 through a clamp. In this way, the height of the pulley mechanism 3 can be adjusted, and the pulley mechanism 3 changes the direction of the steel wire rope 12 and the force transmission direction, making the hoisting process smoother and more labor-saving.
[0036] The base 8 is fixedly connected with a driving mechanism, which comprises a speed reducer motor 10 and a steel wire rope winder 9. The output end of the speed reducer motor 10 is connected with the central shaft of the steel wire rope winder 9. The steel wire rope winder 9 is wound with a steel wire rope 12. The steel wire rope 12 passes through the pulley mechanism 3 and the fixed pulley 504 in sequence. The end of the steel wire rope 12 is fixedly connected with a lifting clamp 11. The speed reducer motor 10 provides power for the steel wire rope winder 9. By controlling the forward and reverse rotation of the speed reducer motor 10, the winding and unwinding operation of the steel wire rope 12 by the steel wire rope winder 9 can be realized.
[0037] The lifting clamp 11 comprises a support shaft 1102. The support shaft 1102 is connected with a hook 1101 through a rotating frame. The hook 1101 is fixed with the steel wire rope 12. The two ends of the support shaft 1102 are rotatably connected with a left connecting rod 1109 and a right connecting rod 1103, respectively. The other ends of the two left connecting rods 1109 and the two right connecting rods 1103 are rotatably connected with connecting shafts, respectively. The two ends of the two connecting shafts are rotatably connected with clamping jaws 1104. The middle parts of the clamping jaws 1104 are rotatably connected with a rotating shaft 1105. Through the structure of the connecting rods and the clamping jaws, the lifting clamp 11 can realize the automatic opening and closing action of the clamping jaws 1104 through the tension of the steel wire rope 12, so as to clamp or release the object being lifted.
[0038] The position close to the middle part of the left connecting rod 1109 or the right connecting rod 1103 is fixedly connected with a positioning pin 1107. The positioning pin 1107 is rotatably connected with a limiting hook 1108. The clamping jaw 1104 on the same side of the left connecting rod 1109 or the right connecting rod 1103 is fixedly connected with a limiting pin 1106 matched with the limiting hook 1108. Through the cooperation of the limiting hook 1108 and the limiting pin 1106, when the lifting clamp 11 is lifted, the opening state of the clamping jaw 1104 can still be maintained, which facilitates the better cooperation of the clamping jaw 1104 with the building materials. Then, the limiting hook 1108 is rotated to make the limiting hook 1108 disengage from the limiting pin 1106. When the lifting clamp 11 is lifted, the lifting clamp 11 is automatically clamped through the linkage action of the connecting rods, which improves the safety of lifting.
[0039] Working principle:
[0040] The utility model mainly is used for building material or construction waste hoisting of bagging. When using, first, the base 8 is placed steadily in the suitable position, ensure its stability, then the plug -in rod 1 is inserted into the rod sleeve 2, and each part is installed and fixed. At this time, according to the height of top support plate 101 and ceiling, adjust telescopic assembly 4, when adjusting, rotate hand wheel 602 to adjust the height of telescopic pipe 401, then adjust the angle of rotary jib 5 through the operation of adjusting handle 502, at this time, the fixed pulley 504 on rotary jib 5 extends outdoor, and makes hoisting clamp 11 align the building material hoisted. Start the speed reducer motor 10, and put down the steel wire rope 12, and place hoisting clamp 11 on the hoisted object, and hoisting clamp 11 is further lowered, namely the bottom of jaw 1104 contacts the hoisted object, and the height of support shaft 1102 is further reduced, under the linkage action of connecting rod, jaw 1104 is automatically opened. At this time, if jaw 1104 cannot align the hoisted object, can hook limit hook 1108 to limit pin 1106, and artificially adjust the position of hoisting clamp 11, if jaw 1104 is clamped to the hoisted object, rotate limit hook 1108, and make limit hook 1108 separate from limit pin 1106, at this time, start the speed reducer motor 10 and wind the steel wire rope 12, and the support shaft 1102 is pulled up by the tension of steel wire rope 12, thereby driving two connecting rods to rotate, and jaw 1104 is automatically clamped to the building material, along with the further clamping of steel wire rope 12, the building material is hoisted, through the angle adjustment of rotary jib 5, the object is hoisted to the designated position, and finally the building material is put down, after the building material contacts the ground, jaw 1104 continues to descend and is automatically opened under the action of connecting rod, and the hoisting operation is completed.
[0041] Finally, although the present specification is described according to the embodiments, not every embodiment contains only one independent technical solution, and the description mode of the specification is only for the sake of clarity, and the skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that the skilled in the art can understand.
Claims
1. A building hoisting tool, comprising a base (8) to which a support rod (7) is fixedly connected, characterized in that: The support rod (7) is fixedly connected with a lifting mechanism (6), the upper portion of the lifting mechanism (6) is provided with a telescopic assembly (4), the telescopic assembly (4) comprises a limiting pipe (403) and a telescopic pipe (401) in sliding fit, the lifting mechanism (6) drives the telescopic pipe (401) to move, the limiting pipe (403) is rotatably connected with a rotary hanging arm (5) outside, the rotary hanging arm (5) is rotatably connected with a fixed pulley (504) at the front end, the telescopic pipe (401) is fixedly connected with a rod sleeve (2) at the top, the rod sleeve (2) is provided with a pulley mechanism (3) corresponding to the fixed pulley (504), the rod sleeve (2) is provided with a detachable plug-in rod (1) inside, the plug-in rod (1) is provided with a top supporting plate (101) at the top, and the base (8) is fixedly connected with a driving mechanism.
2. A building hoisting tool according to claim 1, characterized in that: The rod sleeve (2) is fixedly connected with the telescopic pipe (401) through a flange plate, and the rod sleeve (2) is fixedly connected with a lower supporting plate (202) inside; at least one plug-in block (201) fixedly connected with the inner wall of the rod sleeve (2) is arranged above the lower supporting plate (202); and a plug-in groove (102) matched with the plug-in block (201) is formed in the plug-in rod (1).
3. A building hoisting tool according to claim 1, characterized in that: The bottom of the limiting pipe (403) is fixedly connected with the shell of the lifting mechanism (6), and at least one sliding block (404) is fixedly connected with the inner wall of the limiting pipe (403); the telescopic pipe (401) is arranged in the limiting pipe (403), and a sliding groove (402) matched with the sliding block (404) is formed in the telescopic pipe (401).
4. A building hoisting tool according to claim 3, characterized in that: The worm (604) is rotatably connected with the worm gear (603) in the lifting mechanism (6), one end of the worm (604) is provided with a hand wheel (602), the worm gear (603) is provided with a lead screw (601) inside, the lower end of the lead screw (601) is connected with the center hole of the worm gear (603) through a key, the lead screw (601) is provided with a lead screw nut, the telescopic pipe (401) is welded with a fixed ring, the lead screw (601) passes through the fixed ring, and the lead screw nut is fixedly connected with the fixed ring.
5. A building hoisting tool according to claim 1, characterized in that: The rotary hanging arm (5) comprises a rotary sleeve (501), the rotary sleeve (501) is rotatably connected with the limiting pipe (403), the rotary sleeve (501) is fixedly connected with an adjusting handle (502), the rotary sleeve (501) is fixedly connected with a hanging arm support (503) on the side away from the adjusting handle (502), and the fixed pulley (504) is rotatably arranged at one end of the hanging arm support (503) away from the rotary sleeve (501).
6. A building hoisting tool according to any one of claims 1 to 5, characterized in that: The driving mechanism comprises a speed reducer motor (10) and a steel wire rope winder (9), and the output end of the speed reducer motor (10) is connected with the center shaft of the steel wire rope winder (9).
7. A building hoisting tool according to claim 6, characterized in that: The steel wire rope (12) is wound on the steel wire rope winder (9), passes through the pulley mechanism (3) and the fixed pulley (504) in sequence, and is fixedly connected with a hoisting clamp (11) at the tail end.
8. A building hoisting tool according to claim 7, characterized in that: The lifting clamp (11) comprises a supporting shaft (1102), the two ends of the supporting shaft (1102) are rotationally connected with a left connecting rod (1109) and a right connecting rod (1103) respectively, the other ends of the two left connecting rods (1109) and the two right connecting rods (1103) are rotationally connected with connecting shafts respectively, the two ends of the two connecting shafts are rotationally connected with clamping jaws (1104) respectively, and the middle parts of the clamping jaws (1104) are rotationally connected with a rotating shaft (1105) in common.
9. A building hoisting tool according to claim 8, characterized in that: The left connecting rod (1109) or the right connecting rod (1103) is fixedly connected with a positioning pin (1107) at a position close to the middle part, the positioning pin (1107) is rotationally connected with a limiting hook (1108), and the clamping jaw (1104) located on the same side of the left connecting rod (1109) or the right connecting rod (1103) is fixedly connected with a limiting pin (1106) matched with the limiting hook (1108).
Citation Information
Patent Citations
Hoisting equipment for constructional engineering
CN220811661U