High-safety portable hanging clamp
By adopting the design of two-way spiral rods and safety braided belts in the hoist fixture, the problems of deformation and slipping of the existing hoist fixtures are solved, and a lighter, safer and lower-cost hoist fixture structure is achieved.
Patent Information
- Application Number
- CN202420985547.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-09
AI Technical Summary
The existing high-safety lightweight hoist clamps are prone to deform and slide when clamping metal chimneys, and have complex structures, high manufacturing and maintenance costs, poor economic benefits, and bulky.
A lifting arm including a middle fixed hook is designed, with a bidirectional spiral rod and a load-bearing bar inside. The two-way spiral rod is driven by a driving motor to make the slides close or away from each other, providing a load-bearing function, and a fork lifting arm is set at the lower end of the slide. and safety braided tape, secured with safety braided tape and springs, increase stability and anti-slip performance, and reduce equipment weight and cost.
It realizes a lighter equipment design, reduces cargo clamping force, avoids cargo deformation and slippage, improves safety and convenience of use, and reduces maintenance costs.
Smart Images
Figure CN222331340U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hanging clamps, in particular to a high-safety and lightweight hanging clamp. Background Art
[0002] The existing patent CN217921067U discloses a high-safety lightweight lifting clamp, which relates to the field of environmentally friendly steel structure clamp technology, including a working plate, a placement groove is opened on the lower surface of the working plate, and the left and right sides of the inner wall of the placement groove are connected with a bidirectional screw rod through bearings for common rotation. The left surface of the working plate is fixedly connected to a motor, and the output end of the motor passes through the left surface of the working plate and extends to the left side of the inner wall of the placement groove. The output end of the motor is fixedly connected to the left end of the bidirectional screw rod, and the left and right sides of the bidirectional screw rod arm are threadedly connected with a moving block. The utility model can adapt to the clamping and lifting of metal chimneys of different sizes, avoids the need to replace the matching lifting clamp device due to the clamping and lifting of metal chimneys of different sizes, avoids the need to purchase multiple lifting clamp devices required for metal chimneys of different sizes, reduces the procurement cost of the lifting clamp device, and at the same time improves the clamping and lifting efficiency of metal chimneys, and has strong practicality; however, the clamping design can easily cause the outside of the goods to be clamped and deformed, and it is easy to slide in the air, causing great safety hazards, and the structural design is complicated, the manufacturing and maintenance costs are high, the economic benefits are poor, and such a structural design is very bulky. Utility Model Content
[0003] The technical problem to be solved by the utility model is: in order to overcome the above problems, a high-safety and light lifting clamp is provided, which solves the above problems.
[0004] The utility model solves the technical problem by adopting the following technical solutions:
[0005] A high-safety and portable lifting clamp comprises a lifting arm with a lifting hook fixed in the middle, a bidirectional screw rod rotatably arranged in the lifting arm, the bidirectional screw rod is driven by a driving motor fixed to the lifting arm, a load-bearing light rod is fixedly arranged in the lifting arm on both sides of the bidirectional screw rod, and the bidirectional screw rod is divided into two left and right sections of screw rods with different rotation directions, a slider with a threaded hole is threadedly connected to the bidirectional screw rod, and a light hole is provided on the slider and is slidably mounted on the load-bearing light rod, after the bidirectional screw rod rotates, the two sliders are brought closer to or away from each other through cooperation with the threaded hole, and the load-bearing light rod and the bidirectional screw rod provide load-bearing function, and a fork lifting arm is fixedly arranged at the lower end of the slider, and the fork lifting arm A safety braid is fixedly provided at one end, and the other end of the safety braid is movable through the other end of the fork lifting arm, and a plurality of pin holes are arranged at intervals on the safety braid, and an outer wall of the fork lifting arm is fixedly provided with an outward expansion cover, and a safety pin is inserted in the outward expansion cover, and a spring is sleeved on the outside of the safety pin for pressing the safety pin inward and inserting the safety pin into the pin hole of the fork lifting arm after passing through the pin hole to fix the safety braid. The safety braid improves stability through wrapped lifting, reduces local clamping force on cargo, reduces external impact on cargo, and is safer. The design of the safety braid greatly reduces equipment weight and equipment cost, has a simpler structure, and has low maintenance cost.
[0006] Preferably, in order to improve the anti-slip performance of the safety woven belt, a number of rubber pressing sheets are adhesively fixed to the inner side of the safety woven belt. During lifting, the rubber pressing sheets are pressed on the outer surface of the cargo to provide good wear-resistant protection for the safety woven belt and improve the anti-slip performance.
[0007] Preferably, in order to prevent the pin hole from being deformed by pulling, an annular steel hoop is fixedly provided at the pin hole by cold rolling, and the safety pin is inserted into the steel hoop, which effectively improves its load-bearing and anti-deformation capacity.
[0008] Preferably, a central stabilizing plate is fixedly provided in the middle part of the boom, wherein the load-bearing light rod passes through the central stabilizing plate and is fixedly connected to the central stabilizing plate, and a bearing is also provided in the central stabilizing plate, and the middle part of the bidirectional screw rod is cooperatively connected to the bearing, so that the bidirectional screw rod can maintain good rotation while increasing the stability and lifting load-bearing capacity of the bidirectional screw rod and the load-bearing light rod through the central stabilizing plate, thereby reducing the compressive deformation of the bidirectional screw rod and the load-bearing light rod.
[0009] The advantages and positive effects of the utility model are:
[0010] 1. The equipment is lighter, the structural design is simpler, the maintenance and manufacturing costs are low, and it is easy to use.
[0011] 2. Good load-bearing capacity, more stable structure, and wrap-around lifting to avoid deformation of cargo.
[0012] 3. Won't slip, safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0014] Figure 1 It is a structural schematic diagram of the utility model;
[0015] Figure 2 It is a structural schematic diagram of the utility model;
[0016] Figure 3 It is an enlarged structural schematic diagram of the middle fork suspension arm 13, the safety braided belt 14 and the sliding block 10 of the utility model.
[0017] The marks in the accompanying drawings are described as follows: 10, slider; 11, light hole; 12, threaded hole; 13, fork arm; 14, safety braid; 15, external expansion cover; 16, safety latch; 17, spring; 18, latch hole; 19, rubber pressure sheet; 20, boom; 21, hook; 22, drive motor; 23, center stabilizing plate; 24, load-bearing light rod; 25, bidirectional spiral rod. DETAILED DESCRIPTION
[0018] Now, the utility model is further described in detail in conjunction with the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, so they only show the components related to the utility model. The following is a further detailed description of the embodiments of the utility model in conjunction with the accompanying drawings:
[0019] like Figure 1-3As shown, a high-safety and lightweight lifting clamp described in the utility model includes a boom 20 with a hook 21 fixed in the middle, a bidirectional screw rod 25 rotatably arranged in the boom 20, and the bidirectional screw rod 25 is driven by a driving motor 22 fixed on the boom 20, and a load-bearing light rod 24 located on both sides of the bidirectional screw rod 25 is also fixed in the boom 20, and the bidirectional screw rod 25 is divided into two left and right sections of screws with different rotation directions, a slider 10 with a threaded hole 12 is threadedly connected to the bidirectional screw rod 25, and a light hole 11 is provided on the slider 10 and is slidably mounted on the load-bearing light rod 24, after the bidirectional screw rod 25 rotates, the two sliders 10 are brought closer to or away from each other through cooperation with the threaded hole 12, and the load-bearing light rod 24 and the bidirectional screw rod 25 provide load-bearing function, and a fork is fixed at the lower end of the slider 10 A lifting arm 13, wherein a safety braid 14 is fixedly provided at one end of the fork lifting arm 13, and the other end of the safety braid 14 is movable through the other end of the fork lifting arm 13, and a plurality of latch holes 18 are arranged at intervals on the safety braid 14, and an outer wall of the fork lifting arm 13 is fixedly provided with an outward expansion cover 15, and a safety latch 16 is inserted in the outward expansion cover 15, and a spring 17 is sleeved on the outside of the safety latch 16 for pressing the safety latch 16 inward and passing through the latch hole 18, and then being inserted into the pin hole of the fork lifting arm 13 to fix the safety braid 14, and the safety braid 14 is improved in stability through the wrapped lifting, reduces the local clamping force on the cargo, reduces the impact on the outside of the cargo, and is safer, and the design of the safety braid 14 greatly reduces the weight and cost of the equipment, has a simpler structure, and has a low maintenance cost.
[0020] Preferably, in order to improve the anti-slip performance of the safety woven belt 14, a plurality of rubber pressing sheets 19 are adhesively fixed on the inner side of the safety woven belt 14. During lifting, the rubber pressing sheets 19 are pressed on the outer surface of the cargo to provide good wear-resistant protection for the safety woven belt 14 and improve the anti-slip performance.
[0021] Preferably, in order to prevent the pin hole 18 from being deformed by pulling, an annular steel hoop is fixedly provided at the pin hole 18 by cold rolling, and the safety pin 16 is inserted into the steel hoop, which effectively improves its load-bearing and anti-deformation capacity.
[0022] Preferably, a central stabilizing plate 23 is fixedly provided in the middle part of the boom 20, wherein the load-bearing light rod 24 passes through the central stabilizing plate 23 and is fixedly connected to the central stabilizing plate 23, and a bearing is also provided in the central stabilizing plate 23, and the middle part of the bidirectional screw rod 25 is cooperated and connected with the bearing, so that the bidirectional screw rod 25 can maintain good rotation while increasing the stability and lifting load-bearing capacity of the bidirectional screw rod 25 and the load-bearing light rod 24 through the central stabilizing plate 23, thereby reducing the compressive deformation of the bidirectional screw rod 25 and the load-bearing light rod 24.
[0023] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention is not limited to the embodiments described in the specific implementation manner. Any other implementation manners derived by those skilled in the art based on the technical solution of the present invention also fall within the scope of protection of the present invention.
Claims
1. A high-safety lightweight lifting fixture, comprising a lifting arm (20) with a hook (21) fixedly provided in the middle, characterized in that: A bidirectional screw rod (25) is rotatably provided in the boom (20), and the bidirectional screw rod (25) is driven by a driving motor (22) fixed to the boom (20). A load-bearing polished rod (24) is also fixedly provided in the boom (20) on both sides of the bidirectional screw rod (25), and the bidirectional screw rod (25) is divided into two left and right sections of screw rods with different rotation directions. A slider (10) with a threaded hole (12) is threadedly connected to the bidirectional screw rod (25), and a light hole (11) is provided on the slider (10) and is slidably mounted on the load-bearing polished rod (24). After the bidirectional screw rod (25) rotates, the two sliders (10) are moved closer to or away from each other through cooperation with the threaded hole (12), and the load-bearing polished rod (24) and the bidirectional screw rod (12) are connected to each other. The rotary rod (25) provides a load-bearing function. In addition, a fork arm (13) is fixedly provided at the lower end of the slider (10). A safety braided belt (14) is fixedly provided at one end of the fork arm (13). The other end of the safety braided belt (14) movably passes through the other end of the fork arm (13). A plurality of latch holes (18) are arranged at intervals on the safety braided belt (14). An outer expansion cover (15) is fixedly provided on the outer wall of the fork arm (13). A safety latch (16) is inserted in the outer expansion cover (15). A spring (17) is sleeved outside the safety latch (16) for pressing the safety latch (16) inward and passing through the latch hole (18). The safety latch (16) is then inserted into the pin hole of the fork arm (13) to fix the safety braided belt (14).
2. A high-safety lightweight lifting fixture according to claim 1, characterized in that: In order to improve the anti-skid performance of the safety braided belt (14), a plurality of rubber pressing sheets (19) are adhesively fixedly provided on the inner side of the safety braided belt (14); during hoisting, the rubber pressing sheets (19) are pressed on the outer surface of the cargo to provide good wear-resistant protection for the safety braided belt (14) and improve the anti-skid performance.
3. A high-safety lightweight lifting fixture according to claim 2, characterized in that: In order to prevent the latch hole (18) from being deformed by pulling, an annular steel hoop is fixedly provided at the latch hole (18) by cold rolling, and the safety latch (16) is inserted into the steel hoop, which effectively improves its load-bearing and anti-deformation capability.
4. A high-safety lightweight lifting fixture according to claim 3, characterized in that: A central stabilizing plate (23) is fixedly provided in the middle of the boom (20), wherein the load-bearing light rod (24) passes through the central stabilizing plate (23) and is fixedly connected to the central stabilizing plate (23), and a bearing is also provided in the central stabilizing plate (23), and the middle of the bidirectional screw rod (25) is cooperatively connected to the bearing, so that the bidirectional screw rod (25) can maintain good rotation while increasing the stability and hoisting load-bearing capacity of the bidirectional screw rod (25) and the load-bearing light rod (24) through the central stabilizing plate (23), thereby reducing the compression deformation of the bidirectional screw rod (25) and the load-bearing light rod (24).