CN218145266U

CN218145266U - First rope replacing device of tower type multi-rope friction hoist

Info

Publication number: CN218145266U
Application number: CN202222594042.5U
Authority: CN
Inventors: 陆峰华; 汪小竹
Original assignee: Jiangsu Songcheng Industrial Development Co ltd
Current assignee: Jiangsu Songcheng Industrial Development Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2022-12-27
Anticipated expiration: 2032-09-29

Abstract

The utility model provides a device is changed to first rope of tower many ropes friction hoist, which comprises a fixing plate and i, there is the cylinder upper end of fixed plate through the bolt fastening, and the upper end of fixed plate is provided with the turning handle to the lower extreme welding of turning handle has the lead screw, the lower extreme spiro union of lead screw has the slider, and the outer end welding of slider has first mounting bracket, and the slider sets up outer spout sliding connection that has with the fixed plate outer wall, the inboard of first mounting bracket is rotated and is connected with first leading wheel, and the lower extreme of first leading wheel is provided with the second leading wheel to the outside of second leading wheel is rotated and is connected with the second mounting bracket, and second mounting bracket welded fastening is at the fixed plate outer wall. The utility model provides a lifting machine head rope change equipment among the prior art relatively poor to the centre gripping fixed stability of new rope, and the not unidimensional new rope of being convenient for change's problem.

Description

First rope replacing device of tower type multi-rope friction hoist

Technical Field

The utility model relates to a lifting machine technical field, concretely relates to device is changed to first rope of tower type multi-rope friction lifting machine.

Background

Multi-rope friction derrick hoists are commonly used to hoist mineral materials, where the steel ropes often need to be replaced periodically.

Chinese patent with application number CN202011540925.7 among the prior art relates to a first rope replacement equipment of tower-type lifting machine of multi-rope friction well, belongs to the field of lifting machine, including setting up the new rope roller that keeps away from well head one side at the winch cylinder, setting up the draw gear that is used for prestretching the new rope between new rope roller and the winch cylinder, and set up the rope pay-off that is used for transferring the new rope above last head sheave, the new rope roller twines has two new ropes, and the new rope passes draw gear, is connected with the cage after the rope pay-off, draw gear is including being close to the fixed establishment that is used for fixed new rope that the new rope roller set up, being close to the winch cylinder setting and being used for fixing and tensile new rope's tension mechanism, tension mechanism is used for drawing its and the new rope part between the fixed establishment. The replacement device can pre-stretch the new rope so as to improve the safety and stability of the operation of the elevator.

The replacement device referred to in the above patent document, although achieving pretensioning of the new cord, still has some drawbacks:

in the device, the vertical distance between the guide rollers outside the fixing mechanism cannot be adjusted, and when a new rope with a larger diameter is replaced, the new rope cannot be stably limited through the rope passing groove, so that the position of the new rope is easy to deviate during prestretching; secondly, the new rope is clamped and fixed through the clamping blocks, the clamping grooves and the clamping hydraulic cylinders which are opposite up and down, and then the pre-stretching operation is carried out, but after the new rope is clamped by the upper and lower clamping blocks, the stretching direction of the new rope is consistent with the perforation direction of the new rope, and further the phenomenon that the new rope moves relative to the clamping blocks easily occurs in the pre-stretching process.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the first rope replacing device of the tower-type multi-rope friction hoist is provided so as to solve the problems that the first rope replacing equipment of the hoist in the prior art has poor clamping and fixing stability on a new rope and is inconvenient for replacing the new rope with different sizes.

In order to achieve the above object, a first rope replacing device for a tower-type multi-rope friction hoist is provided, which comprises:

the fixed plate, the upper end of fixed plate has the cylinder through the bolt fastening, and the upper end of fixed plate is provided with the turning handle to the lower extreme welding of turning handle has the lead screw, the lower extreme spiro union of lead screw has the slider, and the outer end welding of slider has first mounting bracket, and the slider sets up outer spout sliding connection that has with the fixed plate outer wall, the inboard of first mounting bracket is rotated some first leading wheels of being connected, and the lower extreme of first leading wheel is provided with the second leading wheel to the outside of second leading wheel is rotated and is connected with the second mounting bracket, and second mounting bracket welded fastening is at the fixed plate outer wall, the downside of cylinder just has seted up interior spout in the inside of fixed plate, and the cylinder lower extreme is connected with the telescopic link, and the lower extreme welding of telescopic link has the clamp splice to the inside interlude of clamp splice has new rope.

Further, the lead screw and fixed plate spiro union, and the inside of outer spout is pegged graft to the lead screw, and the lower extreme welding of fixed plate has the backup pad.

Furthermore, first mounting bracket and second mounting bracket all set up to U-shaped frame structure, and the inside grafting of U-shaped frame is fixed with the round pin axle to the opening of U-shaped frame is outwards.

Furthermore, the width of the first guide wheel is smaller than that of the second guide wheel, the first guide wheel and the second guide wheel are both provided with wheel grooves, and the new rope penetrates through the wheel grooves.

Furthermore, a rope threading hole which horizontally penetrates through the fixing plate is formed in the fixing plate, and the rope threading hole is vertically intersected with the inner sliding groove.

Furthermore, the inner wall of the inner chute is provided with a limiting block, and the limiting block is positioned on the upper side of the clamping block.

Furthermore, the clamping block is of a cube structure, a horizontally through hole is formed in the cube, the new rope penetrates through the clamping block through the through hole, and the side length of the clamping block is smaller than the width of the inner sliding groove.

The beneficial effects of the utility model reside in that, the utility model discloses a tower type multi-rope friction hoist head rope changes device utilizes turning handle, lead screw and outer spout to manually adjust the height of first mounting bracket, and then be convenient for adjust the interval between the leading wheel of installing inside first mounting bracket and the second mounting bracket, make the new rope that adapts to different external diameter size change, through the leading wheel that the size is different from top to bottom simultaneously, make and be convenient for play stable direction spacing effect to the new rope; utilize cylinder, telescopic link and clamp splice for before the operation of prestretching, when driving the clamp splice along interior spout rebound through cylinder pulling telescopic link, one section of new rope is by the tensile arch that makes progress this moment, inside the spout including folding, make the lower port of interior spout and clamp splice outer end form the spacing effect of extrusion to the new rope, thereby guarantee that new rope one end keeps fixed in the operation of prestretching.

Drawings

Fig. 1 is a schematic diagram of an overall appearance structure of an embodiment of the present invention.

Fig. 2 is a schematic side view of the fixing plate according to the embodiment of the present invention.

Fig. 3 is a schematic view of the new rope pulled by the clamping block according to the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a position a in fig. 1 according to an embodiment of the present invention.

Fig. 5 is a side view schematic diagram of the upper and lower guide wheels according to the embodiment of the present invention.

1. A fixing plate; 2. a cylinder; 3. a handle is rotated; 4. an outer chute; 5. a screw rod; 6. a first mounting bracket; 7. a first guide wheel; 8. a second guide wheel; 9. a second mounting bracket; 10. a support plate; 11. a new rope; 12. an inner chute; 13. a limiting block; 14. a telescopic rod; 15. a stringing hole; 16. and (6) clamping blocks.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

Fig. 1 is the utility model discloses overall appearance structure schematic diagram, fig. 2 are the utility model discloses a fixed plate looks sideways at section structure schematic diagram, fig. 3 do the utility model discloses a new rope is by clamp splice pulling schematic diagram, fig. 4 do the utility model discloses an in the figure 1A department structure schematic diagram, fig. 5 are the utility model discloses an upper and lower guide wheel looks sideways at the structure schematic diagram.

Referring to fig. 1 to 5, the utility model provides a first rope of tower type multi-rope friction hoist changes device, include: the device comprises a fixed plate 1, a rotating handle 3, an outer sliding groove 4, a screw rod 5, a first guide wheel 7, a second guide wheel 8, an inner sliding groove 12 and a clamping block 16.

Specifically, there is cylinder 2 fixed through the bolt in the upper end of fixed plate 1, and the upper end of fixed plate 1 is provided with turning handle 3, and the lower extreme welding of turning handle 3 has lead screw 5, the lower extreme spiro union of lead screw 5 has the slider, and the outer end welding of slider has first mounting bracket 6, and the slider sets up some outer spout 4 sliding connection with fixed plate 1 outer wall, the inboard of first mounting bracket 6 rotates some first leading wheels 7 of being connected, and the lower extreme of first leading wheels 7 is provided with second leading wheels 8, and the outside of second leading wheels 8 rotates and is connected with second mounting bracket 9, second mounting bracket 9 welded fastening is at fixed plate 1 outer wall, inner chute 12 has just been seted up in fixed plate 1's inside to the downside of cylinder 2, and cylinder 2 lower extreme is connected with telescopic link 14, the lower extreme welding of telescopic link 14 has clamp splice 16, and the inside interlude of clamp splice 16 has new rope 11.

In this embodiment, the outer chute 4 is provided as a rectangular groove structure in the vertical direction.

The cross sections of the first guide wheel 7 and the second guide wheel 8 are both arranged into an I-shaped structure.

The width of the first mounting bracket 6 is greater than the width of the outer chute 4.

The lead screw 5 is in threaded connection with the fixing plate 1, the lead screw 5 is inserted into the outer sliding groove 4, and the supporting plate 10 is welded at the lower end of the fixing plate 1.

In the embodiment, the lower end of the screw rod 5 is rotatably connected with the bottom of the inner groove of the outer chute 4.

The first mounting frame 6 and the second mounting frame 9 are both arranged to be U-shaped frame structures, pin shafts are fixedly inserted into the U-shaped frames, and the openings of the U-shaped frames face outwards; the width of the first guide wheel 7 is smaller than that of the second guide wheel 8, the first guide wheel 7 and the second guide wheel 8 are both provided with wheel grooves, and the new rope 11 passes through the wheel grooves.

In this embodiment, the race plays spacing anticreep effect, and first leading wheel 7 can move down and insert the inboard of second leading wheel 8, is convenient for play good spacing fixed action to the less new rope 11 of external diameter.

A rope threading hole 15 horizontally penetrating through the fixing plate 1 is formed in the fixing plate 1, and the rope threading hole 15 is vertically intersected with the inner chute 12.

In the present embodiment, the inner diameter of the rope threading hole 15 is smaller than the inner chute 12.

The inner wall of the inner chute 12 is provided with a limiting block 13, and the limiting block 13 is positioned on the upper side of the clamping block 16.

In this embodiment, the stopper 13 has a stopper effect on the upward sliding of the clamping block 16.

The clamping block 16 is of a cube structure, a horizontally through hole is formed in the cube, the new rope 11 penetrates through the clamping block 16 through the through hole, and the side length of the clamping block 16 is smaller than the width of the inner sliding groove 12.

In the present embodiment, the clamping block 16 pulls the new rope 11 upwards, so that the new rope 11 forms a folding extrusion inside the inner chute 12, and further, the application of a pulling force in a horizontal direction perpendicular to the folding extrusion is limited by the intersection of the inner chute 12 and the rope threading hole 15, so that one end of the new rope 11 is kept stable.

The utility model discloses a tower many ropes friction hoist first rope change device can effectively solve the problem that the first rope change equipment of lifting machine among the prior art is relatively poor to the centre gripping fixed stability of new rope, and is not convenient for the new rope of different sizes to change, utilize turning handle, lead screw and outer spout, and the height of manual regulation first mounting bracket, and then be convenient for adjust the interval between the leading wheel of first mounting bracket and the inside installation of second mounting bracket, make the new rope change that adapts to different external diameter size, simultaneously through the leading wheel that the size is different from top to bottom, make be convenient for play stable direction spacing effect to new rope; utilize cylinder, telescopic link and clamp splice for before the operation of prestretching, when driving the clamp splice along interior spout rebound through cylinder pulling telescopic link, one section of new rope is by the tensile arch that makes progress this moment, inside the spout including folding, makes the lower port of interior spout and clamp splice outer end form the spacing effect of extrusion to new rope, thereby guarantees that new rope one end keeps fixed in the operation of prestretching.

Claims

1. The utility model provides a device is changed to tower multirope friction hoist head rope, includes: fixed plate (1), its characterized in that: the utility model discloses a fixed plate, including fixed plate (1), cylinder (2), and the upper end of fixed plate (1) is provided with turning handle (3) to the lower extreme welding of turning handle (3) has lead screw (5), the lower extreme spiro union of lead screw (5) has the slider, and the outer end welding of slider has first mounting bracket (6) to the slider is seted up some outer spout (4) sliding connection with fixed plate (1) outer wall, the inboard of first mounting bracket (6) is rotated and is connected with first leading wheel (7), and the lower extreme of first leading wheel (7) is provided with second leading wheel (8), and the outside of second leading wheel (8) is rotated and is connected with second mounting bracket (9), and second mounting bracket (9) welded fastening is at fixed plate (1) outer wall, inner chute (12) have been seted up in the inside of fixed plate (1) to the downside of cylinder (2), and cylinder (2) lower extreme is connected with telescopic link (14), and the lower extreme welding of telescopic link (14) has clamp splice (16) to the inside interlude has new rope (11) of clamp splice (16).

2. The first rope replacing device of the tower-type multi-rope friction hoist according to claim 1, wherein the screw rod (5) is in threaded connection with the fixing plate (1), the screw rod (5) is inserted into the outer chute (4), and a support plate (10) is welded at the lower end of the fixing plate (1).

3. The first rope replacing device for the tower-type multi-rope friction hoist according to claim 1, wherein the first mounting frame (6) and the second mounting frame (9) are both arranged in a U-shaped frame structure, a pin shaft is fixedly inserted in the U-shaped frame, and an opening of the U-shaped frame faces outwards.

4. The tower-type multi-rope friction hoist head rope replacing device according to claim 1, characterized in that the width of the first guide pulley (7) is smaller than that of the second guide pulley (8), and both the first guide pulley (7) and the second guide pulley (8) are provided with wheel grooves, and the new rope (11) passes through the wheel grooves.

5. The first rope replacing device of the tower-type multi-rope friction hoist according to claim 1, characterized in that a rope threading hole (15) horizontally penetrating through the fixing plate (1) is formed in the fixing plate (1), and the rope threading hole (15) is vertically intersected with the inner chute (12).

6. The first rope replacing device of the tower-type multi-rope friction hoist according to claim 1, wherein a limiting block (13) is arranged on the inner wall of the inner chute (12), and the limiting block (13) is positioned on the upper side of the clamping block (16).

7. The first rope replacing device of the tower-type multi-rope friction hoist as claimed in claim 1, wherein the clamping block (16) is a cube structure, a through hole which is horizontally communicated is formed in the cube, the new rope (11) passes through the clamping block (16) through the through hole, and the side length of the clamping block (16) is smaller than the width of the inner chute (12).