CN215160236U

CN215160236U - Lifting appliance for crane

Info

Publication number: CN215160236U
Application number: CN202121367359.4U
Authority: CN
Inventors: 周政辉
Original assignee: Zhejiang Kerui Hoisting Machinery Co ltd
Current assignee: Zhejiang Kerui Hoisting Machinery Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-14
Anticipated expiration: 2031-06-18

Abstract

The utility model relates to the technical field of cranes, in particular to a lifting appliance for a crane, which comprises two lifting ropes and a supporting cylinder, a double-headed motor is arranged in the supporting cylinder, two supporting rods are connected on the supporting cylinder, a rotating rod is connected on the double-headed motor, a gear is sleeved on the rotating rod, the supporting cylinder is connected with a clamping rod through a connecting rod, a squeezing plate is connected on the clamping rod, a driven rod is connected on the supporting cylinder through a connecting cylinder, the top end of the driven rod penetrates through the side wall of the connecting cylinder and extends into the connecting cylinder, a receiving plate is fixedly connected at one end of the two driven rods which are close to each other, a connecting plate is arranged in the receiving plate, the connecting plate is connected with the receiving plate in a sliding way, a screw hole is arranged on the supporting cylinder, a stud is connected with a screw thread in the screw hole, a tightening block is connected on the stud in a threaded way, which is convenient for strengthening the clamping of heavy objects, reducing the dropping condition of heavy objects, the practicability is higher, and is convenient for lifting heavy objects with unstable gravity centers, the reliability is high.

Description

Lifting appliance for crane

Technical Field

The utility model relates to a hoist technical field specifically is a hoist for hoist.

Background

As is well known, the lifting devices include chain type lifting devices, clamp type lifting devices, lifting chucks and the like, which are devices for lifting and taking heavy objects in heavy machinery, and the most common lifting devices for lifting and taking finished objects are lifting hooks, lifting belts and the like, which are widely used in the lifting and hoisting industry.

The utility model with the Chinese patent number of CN201510575935.7 discloses a lifting appliance for a crane, which comprises a lifting rope, a fastener, a pulley, a cable rope, a scissor lifting mechanism, a hook, a bolt, a nut and a pin hole, wherein the lifting rope is fixedly connected to the fastener; the fastener is connected to the pulley through a bolt and a nut; the cable penetrates through two ends of the pulley and is respectively connected to the scissor lifting mechanism; the hooks are arranged on two bent arms of the scissor lifting mechanism; the pin holes are formed in the nuts and the bolts; when the nut is screwed on the bolt, the pin holes on the nut can just correspond to each other; the scissor fork arm of the scissor fork lifting mechanism is connected through the rotating shaft and fastened through the fastening nut, when the scissor fork lifting mechanism is used, a heavy object can be clamped and fixed, the heavy object is prevented from shaking, and meanwhile, the scissor fork lifting mechanism is reliable in quality and convenient to use.

However, the above prior art solutions still have the following drawbacks: the connection between its crotch and the heavy object is more unstable, and the heavy object drops easily at the in-process that rises, and the practicality is relatively poor to it hangs when getting to heavy heart asymmetric heavy object, takes place the slope condition easily, and the reliability is lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a hoist for crane, its centre gripping to the heavy object of being convenient for strengthen, reduces the condition that drops of heavy object, and the practicality is higher to it is convenient for hang the unstable heavy object of focus and gets, and the reliability is higher.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a lifting appliance for a crane comprises two lifting ropes and a supporting cylinder, wherein the bottoms of the two lifting ropes are fixedly connected with the top end of the supporting cylinder, a double-end motor is installed in the supporting cylinder, two supporting rods are connected to the supporting cylinder in a penetrating manner, the left output end and the right output end of the double-end motor are fixedly connected with a rotating rod, a gear is sleeved on the rotating rod, insections matched with the gear are formed in the supporting rod, two connecting rods are fixedly connected to the supporting cylinder, the bottoms of the two connecting rods are respectively connected with a clamping rod, one end, close to each other, of the two clamping rods is fixedly connected with a squeezing plate, the connecting rods are fixedly connected with the clamping rods, the bottom end of the supporting cylinder is symmetrically connected with two connecting cylinders, the bottom end of each connecting cylinder is connected with a driven rod, the top end of each driven rod penetrates through the side wall of the connecting cylinder and extends into the connecting cylinder, and one end, close to each other, of the two driven rods are respectively fixedly connected with a bearing plate, an inner cavity is formed in the bearing plate, a connecting plate is arranged in the inner cavity and is in sliding connection with the bearing plate, a screw hole is formed in the supporting cylinder, a stud is connected to the screw hole in an internal thread mode, and a tightening block is connected to the stud in a threaded mode.

Preferably, two the connecting cylinder all runs through the lateral wall of a support section of thick bamboo and stretch into to a support section of thick bamboo in, the top fixedly connected with sliding block of connecting cylinder, double-screw bolt and sliding block through connection.

Preferably, the connecting plate is fixedly connected with a driven block, a groove matched with the driven block is formed in the bearing plate, and the driven block is in sliding fit with the groove.

Preferably, all seted up the location mouth on connecting cylinder and the driven lever, the locating hole endotheca is equipped with the location strip.

Preferably, the two squeezing plates are fixedly connected with a grinding pad.

Preferably, the two clamping rods are connected with the two connecting rods through rotating shafts.

Preferably, the two bearing plates are fixedly connected with shock absorption pads.

(III) advantageous effects

Compared with the prior art, the utility model provides a hoist for crane possesses following beneficial effect:

1. this hoist for hoist through a supporting cylinder, the connection of the double-end motor and the bracing piece of being convenient for, through the cooperation of two dwangs, the gear of being convenient for drives the bracing piece rebound, through the cooperation of bracing piece and connecting rod, is convenient for rotate the clamping bar to adjust the centre gripping angle of stripper plate, thereby be convenient for strengthen the centre gripping to the heavy object, reduce the circumstances of dropping of heavy object, the practicality is higher.

2. This hoist for hoist through a supporting cylinder, is convenient for the removal of connecting cylinder, through the cooperation of connecting cylinder and driven lever, is convenient for remove accepting the board to in highly adjusting the centre gripping, and through the cooperation of accepting board and connecting plate, be convenient for to the regulation of centre gripping width, in order to hang the unstable heavy object of focus and get, the reliability is higher.

Drawings

Fig. 1 is a schematic sectional structure of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the stud and the slider of the present invention;

FIG. 4 is a schematic cross-sectional view of the connection plate and the driven plate of the present invention;

fig. 5 is a schematic view of the plane structure of the middle support rod of the present invention.

In the figure: 1. a lifting rope; 2. a support cylinder; 3. a double-headed motor; 4. a support bar; 5. rotating the rod; 6. a gear; 7. insection; 8. a connecting rod; 9. a clamping bar; 10. a pressing plate; 11. a connecting cylinder; 12. a driven lever; 13. a bearing plate; 14. a connecting plate; 15. a stud; 16. a tightening block; 17. a slider; 18. a driven block; 19. a positioning bar; 20. grinding a sand cushion; 21. a rotating shaft; 22. a shock-absorbing pad.

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.

Examples

Referring to fig. 1-5, a crane lifting appliance comprises two lifting ropes 1 and a supporting cylinder 2, wherein the bottom ends of the two lifting ropes 1 are fixedly connected with the top end of the supporting cylinder 2, a double-end motor 3 is installed in the supporting cylinder 2, two supporting rods 4 are connected to the supporting cylinder 2 in a penetrating manner, rotating rods 5 are fixedly connected to the left output end and the right output end of the double-end motor 3, gears 6 are sleeved on the rotating rods 5, insections 7 matched with the gears 6 are formed on the supporting rods 4, the supporting rods 4 can conveniently move up and down through the matching of the gears 6 and the insections 7, two connecting rods 8 are fixedly connected to the supporting cylinder 2, clamping rods 9 are connected to the bottom ends of the two connecting rods 8, the two clamping rods 9 are connected to the two connecting rods 8 through rotating shafts 21, the clamping angle adjustment of the clamping rods 9 is facilitated, and extrusion plates 10 are fixedly connected to the ends of the two clamping rods 9 close to each other, equal fixedly connected with dull polish pad 20 on two stripper plates 10, be convenient for increase with the area of contact of heavy object, connecting rod 8 and clamping bar 9 fixed connection, the bottom symmetric connection of a supporting cylinder 2 has two connecting cylinders 11, the bottom of connecting cylinder 11 is connected with driven lever 12, the top of driven lever 12 runs through the lateral wall of connecting cylinder 11 and stretches into to the connecting cylinder 11 in, the location mouth has all been seted up on connecting cylinder 11 and the driven lever 12, the locating mouth endotheca is equipped with location strip 19, be convenient for adjust the position of driven lever 12, so that the height that highly regulated according to the heavy object supported.

It should be further noted that, the end of each of the two driven rods 12 close to each other is fixedly connected with a receiving plate 13, an inner cavity is formed in the receiving plate 13, a connecting plate 14 is arranged in the inner cavity, the connecting plate 14 is slidably connected with the receiving plate 13, a screw hole is formed in the supporting cylinder 2, a stud 15 is connected with the screw hole in a threaded manner, a tightening block 16 is connected with the stud 15 in a threaded manner, the two connecting cylinders 11 both penetrate through the side wall of the supporting cylinder 2 and extend into the supporting cylinder 2, a sliding block 17 is fixedly connected with the top end of the connecting cylinder 11, the stud 15 is connected with the sliding block 17 in a penetrating manner, the connecting cylinder 11 is convenient to move on the supporting cylinder 2 through the sliding block 17, then the position of the sliding block 17 is convenient to be fixed through the matching of the stud 15 and the tightening block 16, so as to adjust the position of the receiving plate 13 according to the size of the heavy object, a driven block 18 is fixedly connected with the connecting plate 14, a groove matched with the driven block 18 is formed in the receiving plate 13, the driven block 18 is in sliding fit with the groove, the driven block 18 is convenient for the connecting plate 14 to slide on the bearing plates 13 and facilitates the adjustment of the bearing area of the bearing plates 13, the two bearing plates 13 are both fixedly connected with the shock absorption pads 22 and facilitate better support of a heavy object, the bidirectional motor is a conventional device which is purchased from the market and is known by a person skilled in the art, the model of the bidirectional motor is YVF2-63M1-4, the bidirectional motor is only used in the patent and is not improved in structure and function, the setting mode, the installation mode and the electrical connection mode are set, for the person skilled in the art, the adjustment operation can be carried out according to the requirements of the use specification, the description is omitted, the bidirectional motor is provided with a control switch matched with the bidirectional motor, and the installation position of the control switch is selected according to the actual use requirements, the operation control of the operators is convenient.

In summary, the working principle and the working process of the lifting appliance for the crane are that, when in use, the lifting appliance for the crane is firstly connected with the crane through the lifting rope 1, then the two-way motor is started, the rotating rod 5 drives the gear 6 to rotate, the up-and-down movement of the supporting rod 4 is facilitated through the matching of the gear 6 and the insection 7, the movement of the supporting rod 4 enables the clamping rod 9 to rotate on the connecting rod 8, so that the clamping angle of the extrusion plate 10 can be adjusted according to the size of a heavy object to be lifted, the clamping of the heavy object can be enhanced, the falling condition of the heavy object can be reduced, the practicability is high, the connecting cylinder 11 is moved on the supporting cylinder 2 through the sliding block 17, after the connecting cylinder 11 is moved to a proper position, the position of the sliding block 17 is fixed through the matching of the stud 15 and the clamping block 16, and the supporting range of the bearing plate 13 is enlarged, meanwhile, the driven rod 12 is moved on the connecting cylinder 11 according to the height of the heavy object, after the driven rod 12 is moved to a proper position, the height of the driven rod 12 is fixed through the matching of the positioning strip 19 and the positioning opening, and then the connecting plate 14 is moved on the bearing plate 13 through the driven block 18, so that the supporting area is increased, the heavy object with unstable gravity center can be conveniently hung and taken, and the reliability is high.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hoist for crane, includes two lifting rope (1), its characterized in that: the lifting rope is characterized by further comprising two supporting cylinders (2), the bottoms of the two lifting ropes (1) are fixedly connected with the top ends of the supporting cylinders (2), a double-end motor (3) is installed in the supporting cylinders (2), two supporting rods (4) are connected to the supporting cylinders (2) in a penetrating manner, the left output end and the right output end of the double-end motor (3) are fixedly connected with a rotating rod (5), a gear (6) is sleeved on the rotating rod (5), insections (7) matched with the gear (6) are formed in the supporting rods (4), the supporting cylinders (2) are fixedly connected with two connecting rods (8), the bottoms of the two connecting rods (8) are connected with clamping rods (9), one ends of the two clamping rods (9) close to each other are fixedly connected with a squeezing plate (10), the connecting rods (8) are fixedly connected with the clamping rods (9), and the bottoms of the supporting cylinders (2) are symmetrically connected with two connecting cylinders (11), the bottom of connecting cylinder (11) is connected with driven lever (12), and the lateral wall of connecting cylinder (11) is run through and stretch into to connecting cylinder (11) on the top of driven lever (12), two the equal fixedly connected with in one end that driven lever (12) are close to each other accepts board (13), accept and seted up the inner chamber in board (13), be provided with connecting plate (14) in the inner chamber, connecting plate (14) and accept board (13) sliding connection, seted up the screw on supporting cylinder (2), screw female connection has double-screw bolt (15), and threaded connection has on double-screw bolt (15) with compact heap (16).

2. A spreader for cranes according to claim 1, characterized in that: two connecting cylinder (11) all run through the lateral wall of a support section of thick bamboo (2) and stretch into in supporting a section of thick bamboo (2), the top fixedly connected with sliding block (17) of connecting cylinder (11), double-screw bolt (15) and sliding block (17) through connection.

3. A spreader for cranes according to claim 2, characterized in that: the connecting plate (14) is fixedly connected with a driven block (18), a groove matched with the driven block (18) is formed in the bearing plate (13), and the driven block (18) is in sliding fit with the groove.

4. A spreader for cranes according to claim 3, characterized in that: positioning openings are formed in the connecting cylinder (11) and the driven rod (12), and positioning strips (19) are sleeved in the positioning openings.

5. A spreader for cranes according to claim 4, characterized in that: and the two extrusion plates (10) are fixedly connected with a grinding pad (20).

6. A spreader as claimed in claim 5, wherein: the two clamping rods (9) are connected with the two connecting rods (8) through rotating shafts (21).

7. A spreader for cranes according to claim 6, characterized in that: and the two bearing plates (13) are fixedly connected with shock-absorbing pads (22).