Lifting hook device of elevator

Abstract

The utility model provides a lifting hook device of an elevator, and belongs to the technical field of elevators. The technical problem that a control handle of an existing elevator is single in use is solved. According to the lifting hook device of the elevator, the elevator comprises a control handle, the control handle is provided with a fixing rod, the lower portion of the fixing rod is fixedly connected with the lifting hook device, the lifting hook device comprises an upper chuck seat, a lower chuck seat and a lifting hook pop rivet, and the upper chuck seat is fixedly connected with the lower chuck seat. A mounting groove with an opening facing the upper chuck seat is formed in the lower chuck seat, a push plate and a spring are arranged in the mounting groove, one end of the push plate extends out of the lower chuck seat, a fixing hole is formed in the push plate, the lifting hook blind rivet penetrates through the lower chuck seat and then is clamped and fixed with the fixing hole, and the lower end part of the lower chuck seat is detachably and fixedly connected with a fixing plate. The lifting hook device disclosed by the utility model can be suitable for lifting different types of heavy objects.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hoist technical field, especially point to a kind of lifting hook device of hoist. BACKGROUND

[0002] Hoist is the large-scale mechanical equipment for transporting by changing potential energy, and the transportation process is completed by the upward and downward movement of power machinery dragging steel wire rope and transported goods. When clamping goods, the lifting hook device needs to be used, and the lifting hook of the prior art discloses that the lifting hook is rotatably fixed on the connecting rod and the connecting seat to form a lifting hook device, but the lifting hook device can only be applied to heavy objects that can be bound with a rope or can be hooked by the hook handle of the lifting hook, and cannot lift smooth surface glass and other heavy objects, which means that different heavy objects need to replace different hoists to lift heavy objects, increasing production cost. SUMMARY

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a lifting hook device of hoist. The technical problem to be solved by the utility model is how to make the lifting hook device suitable for lifting different types of heavy objects.

[0004] The purpose of the utility model can be achieved by the following technical scheme: a lifting hook device of hoist, the hoist includes a control handle, the control handle is provided with a fixed rod, the fixed rod is fixedly connected with a lifting hook device below, the lifting hook device includes an upper chuck seat, a lower chuck seat and a lifting hook drawbar, the upper chuck seat is fixedly connected with the lower chuck seat, the lower chuck seat is provided with an installation groove with an opening facing the upper chuck seat, the installation groove is provided with a push plate and a spring, one end of the push plate extends out of the lower chuck seat, the push plate is provided with a fixing hole, the lifting hook drawbar is fixedly connected with the fixing hole after passing through the lower chuck seat, and the lower end of the lower chuck seat is detachably fixedly connected with a fixed plate.

[0005] Further, one end of the push plate protrudes upward to a limiting block, the upper chuck seat is provided with a limiting hole, the limiting block can move linearly in the limiting hole, and the spring is located between the one end of the upper chuck seat close to the limiting hole and the installation groove.

[0006] Further, the installation groove includes a main installation groove and a secondary installation groove located on both sides of the main installation groove, the length of the secondary installation groove is smaller than that of the main installation groove, the spring has two and is located in the secondary installation groove respectively, the two sides of the push plate protrude in the direction of the secondary installation groove to have a fixed block, one end of the spring abuts against the side wall of the secondary installation groove, and the other end is fixedly connected with the fixed block.

[0007] Further, the fixing hole includes a large circular hole and a small circular hole which are in communication with each other, the upper part of the small circular hole has a stepped hole with a diameter larger than that of the small circular hole, and the hole diameter of the stepped hole is consistent with that of the large circular hole.

[0008] Further, the inclined surface is connected between the large round hole and the stepped hole.

[0009] Further, the upper end of the hook puller has a necked cylindrical part, which is buckled on the small round hole through the large round hole.

[0010] Further, the fixing plate is fixed on the lower end surface of the lower chuck holder through bolts, and the fixing plate is used for fixing the suction cup.

[0011] Further, the control handle further comprises a gas-electric seat and a gas-electric connector, the gas-electric seat has a mounting cavity, the mounting cavity is sequentially provided with a thrust bearing, a washer and a radial bearing from bottom to top, the gas-electric rotating shaft is further arranged in the mounting cavity, the gas-electric rotating shaft passes through the radial bearing, the washer and the thrust bearing downwards and abuts against the radial bearing, the lower end surface of the gas-electric rotating shaft is fixedly connected with a lower conversion plate, the lower end surface of the gas-electric connector is fixedly connected with an upper conversion plate, the upper conversion plate and the lower conversion plate are electrically connected, the lower part of the gas-electric connector is sealingly and fixedly connected with a connecting pipe, the connecting pipe passes through the upper conversion plate and the lower conversion plate and is sealingly embedded in the gas-electric rotating shaft, and the gas-electric connector, the connecting pipe and the gas-electric rotating shaft have a communication air pipe.

[0012] Further, the lower part of the gas-electric rotating shaft is fixedly connected with a control device, the lower end of the control device is fixedly connected with a fixed rod, the control device and the fixed rod have a gas circuit in communication with the air pipe, and the gas circuit is connected with the suction cup.

[0013] Further, the control device comprises a control shell, the control shell is fixedly provided with an electromagnetic valve and a weighing sensor, the electromagnetic valve communicates the air pipe with the gas circuit, the gas-electric rotating shaft is fixedly connected with the weighing sensor after passing through the control shell, and the control shell abuts against the weighing sensor.

[0014] Compared with the prior art, the technical effects of the utility model are as follows: 1. in the scheme, the hook puller is detachably fixed in the hook device, convenient installation and disassembly, when the hook puller is disassembled, the fixed plate and the suction cup can be used to fix and adsorb the smooth surface of the heavy object, and the hook device can be adjusted according to the heavy object to adapt to different types of heavy objects. 2. in the scheme, the control handle has a gas-electric integrated rotating ring device, which can continuously rotate at 360° while transmitting current, data signal and gas medium, so that the suction cup and the hook puller are better used. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the explosion view of the hook device of the utility model.

[0016] Figure 2 is the perspective view of the push plate of the utility model.

[0017] Figure 3 is the sectional view of the hook device of the utility model.

[0018] Figure 4 is the sectional view of the control handle of the utility model.

[0019] Figure 5 is the three-dimensional view of the control handle of the utility model Figure 1 .

[0020] Figure 6 is the three-dimensional view of the control handle of the utility model Figure 2 .

[0021] Figure number mark: 1, fixed rod;2, hook device;21, upper chuck holder;211, limit hole;22, lower chuck holder;221, installation groove;2211, main installation groove;2212, auxiliary installation groove;23, hook pull pin;231, necked cylindrical part;24, push plate;241, fixed hole;2411, large round hole;2412, small round hole;2413, step hole;2414, inclined surface;242, limit block;243, fixed block;25, fixed plate;26, spring;3, gas and electricity base;31, installation cavity;4, gas and electricity joint;5, thrust bearing;6, washer;7, radial bearing;8, gas and electricity rotating shaft;9, lower conversion plate;10, upper conversion plate;11, connecting pipe;12, air pipe;13, control device;131, control shell;132, electromagnetic valve;133, weighing sensor;14, gas circuit;15, suction cup. DETAILED DESCRIPTION

[0022] The following is a specific embodiment of the utility model and in combination with the drawings, the technical scheme of the utility model is further described, but the utility model is not limited to these embodiments.

[0023] It should be noted that the utility model about "upper", "lower", "left", "right", "top", "bottom" and the like direction description is all based on the position or relationship of the figure shown definition, only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the device must be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0024] According to Figures 1 to 6As shown, a lifting machine's hook device, the lifting machine includes a control handle, a control device 13, a rotating device and a fixed rod 1, the rotating device includes a gas-electric seat 3 and a gas-electric joint 4, the gas-electric seat 3 has a mounting cavity 31 therein, the mounting cavity 31 has a thrust bearing 5, a washer 6 and a radial bearing 7 arranged in sequence from bottom to top therein, the mounting cavity 31 is further provided with a gas-electric rotating shaft 8, the gas-electric rotating shaft 8 passes through the radial bearing 7, the washer 6 and the thrust bearing 5 downward and abuts against the radial bearing 7, the lower end surface of the gas-electric rotating shaft 8 is fixedly connected with a lower conversion plate 9, the lower end surface of the gas-electric joint 4 is fixedly connected with an upper conversion plate 10, the upper conversion plate 10 and the lower conversion plate 9 are electrically connected, the lower part of the gas-electric joint 4 is sealingly and fixedly connected with a connecting pipe 11, the connecting pipe 11 passes through the upper conversion plate 10 and the lower conversion plate 9 and is sealingly embedded in the gas-electric rotating shaft 8, the gas-electric joint 4, the connecting pipe 11 and the gas-electric rotating shaft 8 have a communication air passage 12. The control device 13 includes a control shell 131, the control shell 131 is fixedly provided therein with an electromagnetic valve 132, a weighing sensor 133 and a gravity sensor. The control device 13 is fixedly connected to the lower part of the gas-electric rotating shaft 8, and the lower end of the control device 13 is fixedly connected with the fixed rod 1. The fixed rod 1 can be an independent rod or an assembly rod, and has an air passage 14 inside, the electromagnetic valve 132 communicates the air passage 12 with the air passage 14, the gas-electric rotating shaft 8 is fixedly connected with the weighing sensor 133 after passing through the control shell 131, and the control shell 131 abuts against the weighing sensor 133.

[0025] The hook device 2 is fixedly connected below the fixed rod 1, and includes an upper chuck seat 21, a lower chuck seat 22 and a hook pull pin 23. The upper chuck seat 21 is fixedly connected with the lower chuck seat 22, the lower chuck seat 22 is provided with a mounting groove 221 with an opening facing the upper chuck seat 21, the mounting groove 221 is provided with a push plate 24 and a spring 26, one end of the push plate 24 extends out of the lower chuck seat 22, and the push plate 24 can move linearly in the mounting groove 221. The push plate 24 is provided with a fixing hole 241, the lower chuck seat 22 has a through hole, the hook pull pin 23 is fixedly connected with the fixing hole 241 after passing through the through hole of the lower chuck seat 22, and the lower end of the lower chuck seat 22 is detachably fixedly connected with a fixed plate 25. The upper end of the hook pull pin 23 has a necked cylindrical part 231, the necked cylindrical part 231 is buckled on a small round hole 2412 through a large round hole 2411.

[0026] As Figure 1The diagram shows one embodiment of the push plate 24 and spring 26. The mounting groove 221 includes a main mounting groove 2211 and secondary mounting grooves 2212 located on both sides of the main mounting groove 2211. The length of the secondary mounting grooves 2212 is shorter than the length of the main mounting groove 2211. There are two springs 26, each located within a secondary mounting groove 2212. Fixing blocks 243 protrude from both sides of the push plate 24 towards the secondary mounting grooves 2212. One end of each spring 26 abuts against the side wall of the secondary mounting groove 2212, while the other end is fixedly connected to the fixing block 243. The fixing hole 241 includes a large circular hole 2411 and a small circular hole 2412 that communicate with each other. The upper part of the small circular hole 2412 has a stepped hole 2413 with a diameter larger than that of the small circular hole 2412. The diameter of the stepped hole 2413 is the same as that of the large circular hole 2411. An inclined surface 2414 connects the large circular hole 2411 and the stepped hole 2413.

[0027] like Figure 2 The figure shows another embodiment of the push plate 24 and the spring 26. One end of the push plate 24 protrudes upward with a limit block 242. The upper chuck seat 21 is provided with a limit hole 211. The limit block 242 can move linearly back and forth in the limit hole 211. The spring 26 is located between the end of the upper chuck seat 21 near the limit hole 211 and the mounting groove 221.

[0028] like Figure 6 As shown, the fixing plate 25 is fixed to the lower end face of the lower clamp seat 22 by bolts. After the hook rivet 23 is removed, the fixing plate 25 can be used to fix the suction cup 15. The suction cup 15 is purchased from the market, and the fixing method between the fixing plate 25 and the suction cup 15 can be determined according to the suction cup 15. The control device 13 and the fixing rod 1 have an air passage 14 that connects to the air pipe 12, and the air passage 14 is connected to the suction cup 15.

[0029] The hook rivet 23 is detachably fixed in the hook device 2, which is convenient for installation and disassembly. After the hook rivet 23 is disassembled, it can be fixed with the fixing plate 25 and the suction cup 15 to adsorb heavy objects with smooth surfaces. The hook device 2 can be adjusted according to the heavy objects to be suitable for lifting different types of heavy objects.

[0030] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. Therefore, all equivalent changes made to the structure, shape, and principle of the present utility model should be covered within the scope of protection defined by the claims of the present utility model.

Claims

1. A hook device for a hoist, the hoist including a control handle, the control handle being provided with a fixing rod (1), and a hook device (2) being fixedly connected below the fixing rod (1), characterized in that: The hook device (2) includes an upper chuck seat (21), a lower chuck seat (22), and a hook rivet (23). The upper chuck seat (21) is fixedly connected to the lower chuck seat (22). The lower chuck seat (22) has an opening facing the upper chuck seat (21) and a push plate (24) and a spring (26) are provided in the mounting groove (221). One end of the push plate (24) extends out of the lower chuck seat (22) and has a fixing hole (241). The hook rivet (23) passes through the lower chuck seat (22) and engages with the fixing hole (241) for fixation. The lower end of the lower chuck seat (22) is detachably fixedly connected to a fixing plate (25).

2. The hook device for a hoist according to claim 1, characterized in that: One end of the push plate (24) protrudes upward with a limiting block (242), the upper chuck seat (21) is provided with a limiting hole (211), the limiting block (242) can move linearly back and forth in the limiting hole (211), and the spring (26) is located between the end of the upper chuck seat (21) near the limiting hole (211) and the mounting groove (221).

3. The hook device for a hoist according to claim 1, characterized in that: The mounting slot (221) includes a main mounting slot (2211) and a secondary mounting slot (2212) located on both sides of the main mounting slot (2211). The length of the secondary mounting slot (2212) is less than the length of the main mounting slot (2211). There are two springs (26) located in the secondary mounting slots (2212). Fixing blocks (243) protrude from both sides of the push plate (24) toward the secondary mounting slots (2212). One end of the spring (26) abuts against the side wall of the secondary mounting slot (2212), and the other end is fixedly connected to the fixing block (243).

4. A hook device for a hoist according to any one of claims 1 to 3, characterized in that: The fixing hole (241) includes a large circular hole (2411) and a small circular hole (2412) that are interconnected. The small circular hole (2412) has a stepped hole (2413) with a diameter larger than that of the small circular hole (2412) at its upper part. The diameter of the stepped hole (2413) is the same as that of the large circular hole (2411).

5. The hook device for a hoist according to claim 4, characterized in that: An inclined surface (2414) connects the large round hole (2411) and the stepped hole (2413).

6. The hook device for a hoist according to claim 4, characterized in that: The upper end of the hook rivet (23) has a necked cylindrical part (231), which is snapped onto the small cylindrical part (2412) after passing through the large round hole (2411).

7. The hook device for a hoist according to claim 1, characterized in that: The fixing plate (25) is fixed to the lower end face of the lower chuck seat (22) by bolts, and the fixing plate (25) is used to fix the suction cup (15).

8. The hook device for a hoist according to claim 7, characterized in that: The control handle also includes a pneumatic base (3) and a pneumatic connector (4). The pneumatic base (3) has a mounting cavity (31). A thrust bearing (5), a washer (6), and a radial bearing (7) are arranged sequentially from bottom to top in the mounting cavity (31). A pneumatic shaft (8) is also arranged in the mounting cavity (31). The pneumatic shaft (8) passes downward through the radial bearing (7), the washer (6), and the thrust bearing (5) and abuts against the radial bearing (7). The upper end face of the pneumatic shaft (8) is fixed. A lower conversion plate (9) is fixedly connected to the lower end face of the pneumatic connector (4), and an upper conversion plate (10) is fixedly connected to the lower end face of the pneumatic connector (4). The upper conversion plate (10) and the lower conversion plate (9) are electrically connected. A connecting pipe (11) is fixedly and sealed to the lower part of the pneumatic connector (4). The connecting pipe (11) passes through the upper conversion plate (10) and the lower conversion plate (9) and is sealed and embedded in the pneumatic shaft (8). The pneumatic connector (4), the connecting pipe (11) and the pneumatic shaft (8) have a connected air passage (12).

9. A hook device for a hoist according to claim 8, characterized in that: The lower part of the pneumatic rotating shaft (8) is fixedly connected to a control device (13), and the lower end of the control device (13) is fixedly connected to a fixing rod (1). The control device (13) and the fixing rod (1) have an air passage (14) that connects to the air pipe (12), and the air passage (14) is connected to a suction cup (15).

10. A hook device for a hoist according to claim 9, characterized in that: The control device (13) includes a control housing (131), in which a solenoid valve (132) and a weighing sensor (133) are fixedly installed. The solenoid valve (132) connects the air passage (12) and the air passage (14). The pneumatic-electric rotating shaft (8) passes through the control housing (131) and is fixedly connected to the weighing sensor (133). The control housing (131) rests against the weighing sensor (133).

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