CN214141312U

CN214141312U - Stable telescopic arm rod for crane

Info

Publication number: CN214141312U
Application number: CN202023008345.1U
Authority: CN
Inventors: 谭石苟; 谭桂友; 梁婉秋
Original assignee: Guangzhou Chaozhuo Electromechanical Engineering Co ltd
Current assignee: Guangzhou Chaozhuo Electromechanical Engineering Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-09-07
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a loop wheel machine is with stable flexible armed lever, including the U-shaped connecting piece, swing joint has the first connecting arm in the U-shaped connecting piece, U-shaped connecting piece lower extreme fixedly connected with bracing piece, first connecting arm rear end swing joint has quick-witted case, machine case lower extreme fixedly connected with head rod, head rod outside swing joint has the primary shaft, the rotatory knot of primary shaft lower extreme fixedly connected with, rotatory first threaded rod of knot lower extreme fixedly connected with, bracing piece rear end downside fixedly connected with second connecting rod. This loop wheel machine is with stabilizing flexible armed lever constitutes a lead screw connection structure through spare parts such as second threaded rod, nut and third bearing, and first linking arm is connected fixedly through this lead screw connection structure with the second linking arm to drive by driving motor, can adjust the overall length of first linking arm and second linking arm according to the field usage environment, avoid the barrier of wall.

Description

Stable telescopic arm rod for crane

Technical Field

The utility model relates to a loop wheel machine equipment technical field specifically is a loop wheel machine is with stable flexible armed lever.

Background

A crane is a popular name for a crane, and refers to a multi-motion crane that vertically lifts and horizontally carries heavy objects within a certain range.

The small crane generally consists of a power device and a support arm rod, but the length of the arm rod of the existing small crane is fixed and cannot be adjusted according to the use environment, for example, when obstacles such as an air conditioner external unit, a rain shed and the like exist on the surface of a wall body, the small crane cannot be used due to too short length.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a loop wheel machine is with stable flexible armed lever to solve the unable problem of adjusting length of the loop wheel machine armed lever that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a loop wheel machine is with stable flexible armed lever, includes the U-shaped connecting piece, swing joint has first connecting arm in the U-shaped connecting piece, U-shaped connecting piece lower extreme fixedly connected with bracing piece, first connecting arm rear end swing joint has quick-witted case, machine case lower extreme fixedly connected with head rod, head rod outside swing joint has the primary shaft, the rotatory knot of primary shaft lower extreme fixedly connected with, rotatory first threaded rod of knot lower extreme fixedly connected with, bracing piece rear end downside fixedly connected with second connecting rod, second connecting rod outside swing joint has the secondary shaft bearing, the dead lever that the second bearing outside fixedly connected with equidistance distributes, dead lever upper end fixedly connected with fixed block.

Preferably, the first connecting rod and the second connecting rod are C-shaped structures, a threaded hole is formed in the fixing block, the first threaded rod is in threaded connection with the threaded hole, and handles are fixedly connected to the outer side of the first threaded rod and are symmetrically distributed at equal intervals.

Preferably, the driving motor is fixedly connected to the interior of the case, a sliding groove is formed in the first connecting arm, a second threaded rod is fixedly connected to the front end of the driving motor, a nut is connected to the outer side of the second threaded rod through threads, a second connecting arm is fixedly connected to the front end of the nut, the nut is movably connected to the sliding groove, and the sliding groove and the nut are of a hexagonal structure.

Preferably, a slot is formed in the rear end of the second connecting arm, the second threaded rod is movably connected into the chute and the slot, a third bearing is fixedly connected to the front end of the first connecting arm, and the second connecting arm is inserted into the third bearing.

Preferably, the front end of the second connecting arm is fixedly connected with a first pulley block, the rear side of the upper end of the case is fixedly connected with a second pulley block, the outer sides of the first pulley block and the second pulley block are movably connected with a cable, and the front end of the cable is fixedly connected with a hook.

Preferably, the lower end of the supporting rod is fixedly connected with a fixing plate, and fixing holes distributed at equal intervals are formed in the fixing plate.

Preferably, slide holes are formed in the left end and the right end of the U-shaped connecting piece, slide rods are fixedly connected to the left end and the right end of the first connecting arm, and the slide rods are movably connected into the slide holes.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the stable telescopic arm rod for the crane is of a screw rod connecting structure formed by a second threaded rod, a nut, a third bearing and other parts, a first connecting arm and a second connecting arm are fixedly connected through the screw rod connecting structure and driven by a driving motor, and the overall length of the first connecting arm and the second connecting arm can be adjusted according to the field use environment to avoid obstacles on the wall surface;

2. the stable telescopic arm rod for the crane is a telescopic device formed by a first threaded rod, a threaded hole, a rotary buckle and other parts, and the angle between the first connecting arm and the second connecting arm can be adjusted through the telescopic device according to the field use environment;

3. this loop wheel machine is with stable flexible armed lever, during the use, is connected the terminal hoist engine with the loop wheel machine of hawser, and the fixed plate is installed to the bracing piece lower extreme, has seted up the several fixed orifices on the fixed plate, and the accessible is in the fixed orifices grafting screw, is fixed in on the loop wheel machine this armed lever device.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the internal structure of the first connecting arm of the present invention;

fig. 4 is a schematic view of the mounting structure of the U-shaped connecting member and the first connecting arm of the present invention.

In the figure: 1. a U-shaped connector; 2. a first connecting arm; 3. a support bar; 4. a chassis; 5. a first connecting rod; 6. a first bearing; 7. rotating the buckle; 8. a first threaded rod; 9. a second connecting rod; 10. a second bearing; 11. fixing the rod; 12. a fixed block; 13. a threaded hole; 14. a handle; 15. a drive motor; 16. a chute; 17. a second threaded rod; 18. a nut; 19. a second connecting arm; 20. a slot; 21. a third bearing; 22. a first pulley block; 23. a second pulley block; 24. a cable; 25. hooking; 26. a fixing plate; 27. a fixing hole; 28. a slide hole; 29. a slide bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a stable telescopic arm rod for a crane comprises a U-shaped connecting piece 1, a first connecting arm 2, a supporting rod 3, a case 4, a first connecting rod 5, a first bearing 6, a rotating buckle 7, a first threaded rod 8, a second connecting rod 9, a second bearing 10, a fixing rod 11, a fixing block 12, a threaded hole 13, a handle 14, a driving motor 15, a chute 16, a second threaded rod 17, a nut 18, a second connecting arm 19, a slot 20, a third bearing 21, a first pulley block 22, a second pulley block 23, a cable 24, a hook 25, a fixing plate 26, a fixing hole 27, a sliding hole 28 and a sliding rod 29, wherein the U-shaped connecting piece 1 is internally and movably connected with the first connecting arm 2, the supporting rod 3 is fixedly connected to the lower end of the U-shaped connecting piece 1, the case 4 is movably connected to the rear end of the first connecting arm 2, the first connecting rod 5 is fixedly connected to the lower end of the case 4, the first bearing 6 is movably connected to the outer side of the first connecting

rod

5, 6 lower extreme fixedly connected with of first bearing is rotatory to be detained 7, and rotatory 7 lower extremes fixedly connected with first threaded rod 8 of detaining, 3 rear end downside fixedly connected with second connecting rods 9 of bracing piece, and the second connecting rod 9 outside swing joint has second bearing 10, and the dead lever 11 that the equidistance distributes is fixedly connected with in the second bearing 10 outside, and dead lever 11 upper end fixedly connected with fixed block 12.

Further, the first connecting rod 5 and the second connecting rod 9 are both of a C-shaped structure, a threaded hole 13 is formed in the fixing block 12, the first threaded rod 8 is in threaded connection with the threaded hole 13, handles 14 are fixedly connected to the outer sides of the first threaded rod 8 and are symmetrically distributed at equal intervals, and a worker rotates the first threaded rod 8 by holding the handles 14.

Furthermore, a driving motor 15 is fixedly connected in the case 4, a sliding groove 16 is formed in the first connecting arm 2, a second threaded rod 17 is fixedly connected to the front end of the driving motor 15, a nut 18 is connected to the outer side of the second threaded rod 17 through threads, a second connecting arm 19 is fixedly connected to the front end of the nut 18, the nut 18 is movably connected in the sliding groove 16, the sliding groove 16 and the nut 18 are both of a hexagonal structure, and a screw rod connecting structure is formed.

Further, slot 20 has been seted up to 19 rear ends of second linking arm, and second threaded rod 17 swing joint is in spout 16 and

slot

20, and 2 front end fixedly connected with third bearings 21 of first linking arm, and second linking arm 19 pegs graft in third bearings 21, increase whole smooth degree.

Furthermore, the front end of the second connecting arm 19 is fixedly connected with a first pulley block 22, the rear side of the upper end of the case 4 is fixedly connected with a second pulley block 23, the outer sides of the first pulley block 22 and the second pulley block 23 are movably connected with a cable 24, the front end of the cable 24 is fixedly connected with a hook 25, and the tail end of the cable 24 is fixedly connected with a winch of a crane during use.

Further, the lower end of the support rod 3 is fixedly connected with a fixing plate 26, the fixing plate 26 is provided with fixing holes 27 which are distributed at equal intervals, and the arm rod device is fixed on the crane through inserting screws in the fixing holes 27.

Furthermore, slide holes 28 are formed in the left end and the right end of the U-shaped connecting piece 1, slide rods 29 are fixedly connected to the left end and the right end of the first connecting arm 2, the slide rods 29 are movably connected into the slide holes 28, and the angles of the first connecting arm 2 and the second connecting arm 19 are adjusted through rotation of the slide rods 29 in the slide holes 28.

The working principle is as follows: firstly, the arm rod device is fixed on a crane by inserting a screw into a fixed hole 27, after the crane is installed at a proper position, the overall length of the first connecting arm 2 and the second connecting arm 19 is adjusted according to the using environment, the driving motor 15 is turned on, the driving motor 15 drives the second threaded rod 17 to rotate, at the moment, the nut 18 cannot rotate because the chute 16 and the nut 18 are both in a hexagonal structure, the nut 18 can only move forwards and backwards, the second connecting arm 19 is pushed to stretch and contract in the chute 16 and the third bearing 21, the overall length of the first connecting arm 2 and the second connecting arm 19 is adjusted, a worker can rotate the first threaded rod 8 by holding the handle 14 and rotating, and because the first threaded rod 8 is in threaded connection with the threaded hole 13, the overall length of the first threaded rod 8 and the fixed rod 11 can be adjusted when the first threaded rod 8 is rotated, the first connecting arm 2 and the second connecting arm 19 can be adjusted to a proper angle through the rotation of the slide bar 29 in the slide hole 28, finally the cable 24 is wound on the outer sides of the first pulley block 22 and the second pulley block 23, and the tail end of the cable 24 is fixedly connected with a hoist of a crane, so that the crane can be used.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a loop wheel machine is with stabilizing flexible armed lever, includes U-shaped connecting piece, its characterized in that: swing joint has first connecting arm in the U-shaped connecting piece, U-shaped connecting piece lower extreme fixedly connected with bracing piece, first connecting arm rear end swing joint has quick-witted case, quick-witted case lower extreme fixedly connected with head rod, head rod outside swing joint has the primary shaft, the rotatory knot of primary shaft lower extreme fixedly connected with, rotatory first threaded rod of detaining lower extreme fixedly connected with, bracing piece rear end downside fixedly connected with second connecting rod, second connecting rod outside swing joint has the secondary shaft, the dead lever that the second bearing outside fixedly connected with equidistance distributes, dead lever upper end fixedly connected with fixed block.

2. The stably extendable and retractable arm for cranes according to claim 1, wherein: the first connecting rod and the second connecting rod are C-shaped structures, threaded holes are formed in the fixing block, the first threaded rod is in threaded connection with the threaded holes, and handles are fixedly connected to the outer side of the first threaded rod and symmetrically distributed at equal intervals.

3. The stably extendable and retractable arm for cranes according to claim 1, wherein: the improved multifunctional computer case is characterized in that a driving motor is fixedly connected in the case, a sliding groove is formed in the first connecting arm, a second threaded rod is fixedly connected to the front end of the driving motor, a nut is connected to the outer side of the second threaded rod through threads, a second connecting arm is fixedly connected to the front end of the nut, the nut is movably connected in the sliding groove, and the sliding groove and the nut are of a hexagonal structure.

4. A stable telescopic boom for cranes according to claim 3, characterized in that: the rear end of the second connecting arm is provided with a slot, the second threaded rod is movably connected in the chute and the slot, the front end of the first connecting arm is fixedly connected with a third bearing, and the second connecting arm is inserted in the third bearing.

5. The stably extendable and retractable arm for cranes according to claim 4, wherein: the front end of the second connecting arm is fixedly connected with a first pulley block, the rear side of the upper end of the case is fixedly connected with a second pulley block, the outer sides of the first pulley block and the second pulley block are movably connected with a cable rope, and the front end of the cable rope is fixedly connected with a hook.

6. The stably extendable and retractable arm for cranes according to claim 1, wherein: the bracing piece lower extreme fixedly connected with fixed plate, set up the fixed orifices that the equidistance distributes on the fixed plate.

7. The stably extendable and retractable arm for cranes according to claim 1, wherein: the U-shaped connecting piece is characterized in that sliding holes are formed in the left end and the right end of the U-shaped connecting piece, sliding rods are fixedly connected to the left end and the right end of the first connecting arm, and the sliding rods are movably connected into the sliding holes.