CN214674269U - Coal-winning machine cable turning device - Google Patents

Abstract

The utility model discloses a coal mining machine cable turnover device in the turnover device technical field, which comprises a base, wherein a support rod is fixedly arranged at the central position of the upper end surface of the base, and a cable bracket is rotatably arranged on the side surface of the support rod through a rotating shaft; the preceding terminal surface fixed mounting of cable tray has the slider, the fixed position that the up end of base was located cable tray and puts before has the arc limiting plate, the mounting groove has all been seted up to the position that the up end of base is close to both sides, the spout has been seted up to the rear end face of arc limiting plate, the inside of spout is provided with the guide bar of fixed mounting in two mounting groove insides, the arc spring has been cup jointed on the guide bar, the arc spring is located one side that two sliders kept away from each other, and arc spring fixed mounting is in the inside of slider and mounting groove. The slider slidable mounting is in the inside of spout, and the slider slides and cup joints on the guide bar, can reduce the cushion effect when guaranteeing that the cable tray stably overturns to improve the device's performance.

Description

Coal-winning machine cable turning device

Technical Field

The utility model relates to a turning device technical field specifically is a coal-winning machine cable turning device.

Background

The common cable supporting device of the coal mining machine seriously pulls a cable in the walking process of the coal mining machine, and particularly when the coal mining machine reverses the running cable to overturn at the head and the tail of a scraper machine, if a cable holder is inflexible to rotate, the cable clamp deviates from the scraper machine and is separated from a cable groove, and manual assistance is needed for the normal overturn of the cable clamp.

The existing Chinese patent (publication number: CN210884114U) discloses a coal cutter cable turnover device, which comprises a turnover device body, wherein the turnover device body comprises a mounting box with one side provided with an opening, an L-shaped cable bracket is arranged above the mounting box, two mounting pieces are fixedly mounted at the top of the mounting box, a same rotating shaft is arranged between the two mounting pieces, the two mounting pieces are rotatably sleeved on the rotating shaft, the L-shaped cable bracket is fixedly sleeved on the rotating shaft, a first gear positioned at the front side of one of the two mounting pieces is fixedly sleeved on the rotating shaft, a first through hole is formed in the top of the mounting box, and a second gear is rotatably sleeved in the first through hole. The utility model relates to a rationally, convenient operation is convenient for stabilize the upset to the cable, and is convenient for cushion L shape cable tray at the in-process of upset, avoids L shape cable tray direct and the top of mounting box to take place the striking and cause the phenomenon that the cable rocked.

Turning device in the above-mentioned patent is when using, and the stability of cable tray upset is relatively poor, and does not possess the cushioning effect, causes certain damage to cable tray easily, reduces the device's performance.

Based on this, the utility model designs a coal-winning machine cable turning device is in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal-winning machine cable turning device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cable turnover device of a coal mining machine comprises a base, wherein a support rod is fixedly arranged at the center of the upper end face of the base, and a cable bracket is rotatably arranged on the side face of the support rod through a rotating shaft;

the preceding terminal surface fixed mounting of cable tray has the slider, the fixed position that the up end of base was located cable tray and puts before has the arc limiting plate, the mounting groove has all been seted up to the position that the up end of base is close to both sides, the spout has been seted up to the rear end face of arc limiting plate, the inside of spout is provided with the guide bar of fixed mounting in two mounting groove insides, the arc spring has been cup jointed on the guide bar, the arc spring is located one side that two sliders kept away from each other, and arc spring fixed mounting is in the inside of slider and mounting groove.

Preferably, the sliding block is slidably mounted inside the sliding groove, and the sliding block is slidably sleeved on the guide rod.

Preferably, the limiting groove has all been seted up to the position that the up end of base is located the bracing piece both sides, and the inside slidable mounting of limiting groove has the bottom plate, and the up end fixed mounting of bottom plate has the connecting rod, and the top fixed mounting of connecting rod has the backing plate, and fixed mounting has reset spring between bottom plate and the limiting groove.

Preferably, the rotating shaft on the supporting rod is fixedly connected with an output shaft of a motor, and the motor is fixedly installed on the base.

Preferably, the cable tray is L-shaped, and the two sliders are respectively located on the cable tray near the two ends.

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

1. when the auxiliary cable is needed to overturn, the cable is located on the inner side of the L-shaped cable bracket at the moment, the motor is started, the motor drives the rotating shaft on the supporting rod to rotate, the rotating shaft drives the L-shaped cable bracket to rotate, the sliding block on the cable bracket moves along the guide rod in the sliding groove, one sliding block extrudes the arc spring located on one side when the cable bracket rotates, the other sliding block stretches the other arc spring located on one side of the other sliding block, the stability of the cable bracket during overturning is improved through the matching effect of the arc springs and the sliding blocks, and the buffering force is reduced while the stable overturning of the cable bracket is ensured through the buffering effect of the arc springs and the backing plate, so that the service performance of the device is improved;

2. the backing plate that is less than or equal to one side distance of cable tray is located the top of base, when cable tray and backing plate contact, the backing plate pushes down, and drive the bottom plate through the connecting rod and move down, the tensile reset spring of bottom plate, after the upset is accomplished to cable tray, the up end of backing plate and the lower terminal surface in close contact with of cable tray, when cable tray and backing plate separation, reset spring shrink drives the bottom plate and moves up, make it drive the backing plate rebound through the connecting rod, make things convenient for next cable tray's upset.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a combined view of the base and the supporting rod of the present invention;

fig. 3 is a combined view of the base and the backing plate of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 2. a support bar; 3. a cable tray; 4. a base plate; 5. an arc limiting plate; 6. mounting grooves; 7. a chute; 8. a guide bar; 9. a slider; 10. an arc-shaped spring; 11. a motor; 12. a limiting groove; 13. a connecting rod; 14. a base plate; 15. a return spring.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, the utility model provides a coal mining machine cable turnover device technical scheme: a cable turnover device of a coal mining machine comprises a base 1, wherein a support rod 2 is fixedly arranged at the center of the upper end face of the base 1, and a cable bracket 3 is rotatably arranged on the side face of the support rod 2 through a rotating shaft;

preceding terminal surface fixed mounting of cable tray 3 has slider 9, the fixed position that the up end of base 1 was located cable tray 3 and puts before has arc limiting plate 5, mounting groove 6 has all been seted up to the position that the up end of base 1 is close to both sides, spout 7 has been seted up to the rear end face of arc limiting plate 5, the inside of spout 7 is provided with fixed mounting at the inside guide bar 8 of two mounting grooves 6, arc spring 10 has been cup jointed on the guide bar 8, arc spring 10 is located the one side that two sliders 9 kept away from each other, and arc spring 10 fixed mounting is in the inside of slider 9 and mounting groove 6.

The slider 9 is slidably mounted inside the chute 7, and the slider 9 is slidably sleeved on the guide rod 8.

The working principle is as follows: when needs auxiliary cable overturns, the cable is located L shape cable tray 3's inboard this moment, starter motor 11, motor 11 drives the pivot rotation on the bracing piece 2, the pivot drives L shape cable tray 3 and rotates, slider 9 on the cable tray 3 is in the same direction as moving along the inside guide bar 8 of spout 7, when cable tray 3 rotates, the arc spring 10 that a slider 9 extrusion is located one side, another arc spring 10 that another slider 9 stretched to be located its one side, through arc spring 10 and slider 9's mating reaction, stability when increasing cable tray 3 upset, through the cushioning effect of arc spring 10 and backing plate 4, can be when guaranteeing cable tray 3 and stablize the upset, reduce the buffer power, thereby improve the device's performance.

Example 2

As shown in fig. 3, in the case where the other parts are the same as those of embodiment 1, this embodiment is different from embodiment 1 in that: limiting grooves 12 have all been seted up to the position that the up end of base 1 is located 2 both sides of bracing piece, and the inside slidable mounting of limiting grooves 12 has bottom plate 14, and the up end fixed mounting of bottom plate 14 has connecting rod 13, and the top fixed mounting of connecting rod 13 has backing plate 4, and fixed mounting has reset spring 15 between bottom plate 14 and the limiting grooves 12.

The rotating shaft on the supporting rod 2 is fixedly connected with an output shaft of a motor 11, and the motor 11 is fixedly installed on the base 1.

The cable bracket 3 is L-shaped, and the two sliding blocks 9 are respectively positioned on the cable bracket 3 and are close to the two ends.

The working principle is as follows: with the one side of cable tray 3 apart from the top that the backing plate 4 of asymptotic is located base 1, when cable tray 3 and backing plate 4 contact, push down backing plate 4, and drive bottom plate 14 downstream through connecting rod 13, 14 extension return spring 15 of bottom plate, after cable tray 3 accomplishes the upset, the up end of backing plate 4 and the lower terminal surface in close contact with of cable tray 3, when cable tray 3 and backing plate 4 separate, return spring 15 contracts, drive bottom plate 14 upward movement, make it drive backing plate 4 rebound through connecting rod 13, make things convenient for next cable tray 3's upset.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. The utility model provides a coal-winning machine cable turning device, includes base (1), its characterized in that: a support rod (2) is fixedly arranged at the center of the upper end face of the base (1), and a cable bracket (3) is rotatably arranged on the side face of the support rod (2) through a rotating shaft;

the utility model discloses a cable tray, including base (1), cable tray (3), preceding terminal surface fixed mounting of base (1) has slider (9), the up end of base (1) is located cable tray (3) front-end fixed mounting has arc limiting plate (5), mounting groove (6) have all been seted up to the position that the up end of base (1) is close to both sides, spout (7) have been seted up to the rear end face of arc limiting plate (5), the inside of spout (7) is provided with guide bar (8) of fixed mounting in two mounting grooves (6) inside, arc spring (10) have been cup jointed on guide bar (8), arc spring (10) are located one side that two sliders (9) kept away from each other, and arc spring (10) fixed mounting is in the inside of slider (9) and mounting groove (6).

2. The cable overturning device for the coal mining machine according to claim 1, characterized in that: the sliding block (9) is slidably mounted in the sliding groove (7), and the sliding block (9) is slidably sleeved on the guide rod (8).

3. The cable overturning device for the coal mining machine according to claim 1, characterized in that: spacing groove (12) have all been seted up to the position that the up end of base (1) is located bracing piece (2) both sides, the inside slidable mounting of spacing groove (12) has bottom plate (14), the up end fixed mounting of bottom plate (14) has connecting rod (13), the top fixed mounting of connecting rod (13) has backing plate (4), fixed mounting has reset spring (15) between bottom plate (14) and spacing groove (12).

4. The cable overturning device for the coal mining machine according to claim 1, characterized in that: the rotating shaft on the supporting rod (2) is fixedly connected with an output shaft of a motor (11), and the motor (11) is fixedly installed on the base (1).

5. The cable overturning device for the coal mining machine according to claim 1, characterized in that: the cable bracket (3) is L-shaped, and the two sliding blocks (9) are respectively positioned on the cable bracket (3) and close to the two ends.

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