CN113300313A

CN113300313A - Guide rail assembly

Info

Publication number: CN113300313A
Application number: CN202110549131.5A
Authority: CN
Inventors: 张龙涛; 崔耀; 陈兰辉; 杨士军; 李森; 宋国利; 曹宁宁
Original assignee: Beijing Tiandi Marco Electro Hydraulic Control System Co Ltd; Beijing Meike Tianma Automation Technology Co Ltd
Current assignee: Beijing Tiandi Marco Electro Hydraulic Control System Co Ltd; Beijing Meike Tianma Automation Technology Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2021-08-24
Anticipated expiration: 2039-10-29
Also published as: CN113300312A; CN113300312B; CN113300313B; CN110829343B; CN110829343A

Abstract

The invention discloses a guide rail assembly. The guide rail assembly includes a plurality of cable dragging rail guider who arranges the setting in proper order, and cable dragging rail guider includes: a cable trough; the guide piece is arranged in the cable groove and is provided with a first end and a second end, and the second end of the guide piece is provided with a guide port; and the transverse guide rod is provided with a first end and a second end, the first end of the transverse guide rod is fixedly arranged on the first end of the guide piece, the second end of the transverse guide rod extends out of the notch of the cable groove, the second end of the transverse guide rod is adjustably arranged in the guide opening, and the transverse guide rod of one of the two adjacent cable dragging track guide devices is arranged in the guide opening of the other cable dragging track guide device. The guide rail assembly provided by the invention avoids the problem of blockage when the cable dragging rail guide device drags a cable to move in the cable groove, and increases the operation continuity.

Description

Guide rail assembly

The application is a divisional application with the application date of "29.10.2019", the application number of "201911040567.0", and the name of "cable dragging track guiding device, guiding track assembly, and guiding method".

Technical Field

The invention relates to the technical field of cable dragging track guiding, in particular to a guiding track assembly.

Background

The coal mining machine is one of three machines matched with the current coal fully-mechanized mining working face. The coal mining machine can do reciprocating motion in the coal mining process, the cable of the coal mining machine can be bent for multiple times when moving along with the reciprocating motion of the coal mining machine, namely, the cable is overlapped for multiple times in the vertical direction, the multiple overlapping of the cable limits the further reduction of the height of the support, and meanwhile, the multiple overlapping can cause the phenomena of cable extrusion, excessive bending and twisting, excessive abrasion, stretching, electric leakage, falling, overturning and the like.

In the prior art, a worker is generally required to follow and monitor or arrange a cable in a cable trough in the working process of a coal mining machine so as to protect the cable. The personnel follow the waste of manpower, and the maintenance cost is high; and the underground environment is complex, thus easily causing harm to the following personnel. Generally, a cable dragging track guide device is arranged on a cable trough, such as a cable automatic dragging trolley drags a cable, the cable trough is located on the outer side of a conveyor, the cable trough of the conveyor is arranged in sections, so that the conditions of pushing, sliding, bending and fluctuation of the height of a working face during pulling a frame in a working face coal mining process are adapted, and accordingly gaps, bending, incontinuous conditions such as incapability of alignment and the like can exist at the joint of the cable trough section and the section.

Therefore, it is necessary to solve the above-mentioned technical problems.

Disclosure of Invention

The invention provides a guide rail assembly, which aims to solve the problems in the prior art, avoid the problem of blockage when a cable dragging rail guide device slides in a cable groove, increase the sliding continuity of the cable dragging rail guide device and reduce the maintenance cost of the cable dragging rail guide device.

The guide rail assembly provided by the invention comprises a plurality of cable dragging rail guide devices, the cable dragging rail guide devices are sequentially arranged, and the cable dragging rail guide devices comprise: a cable trough; the guide piece is arranged in the cable groove and provided with a first end and a second end which are opposite in the length direction, and a guide opening is formed in the second end of the guide piece; and a transverse guide bar having a first end and a second end opposite in a length direction thereof, the first end of the transverse guide bar being fixedly disposed on the first end of the guide member, the second end of the transverse guide bar extending from a slot of the cable trough, wherein the second end of the transverse guide bar is adjustably disposed within the guide slot, wherein the transverse guide bar of one of two adjacent cable drag track guides is disposed within the guide slot of the other of the two adjacent cable drag track guides such that the plurality of cable drag track guides are sequentially docked.

Optionally, the transverse guide bar of one of two adjacent cable drag track guides is adjustably disposed within the guide opening of the other of two adjacent cable drag track guides.

Optionally, the thickness and the width of the second end of the transverse guide rod are gradually reduced along a direction away from the first end of the transverse guide rod, and the guide opening is a strip-shaped opening.

Optionally, the cable trough has first and second opposing notches in its length, the first end of the guide being aligned with the first notch of the cable trough and the second end of the guide being aligned with the second notch of the cable trough.

Optionally, a guide cavity extending in the same direction as the cable groove is formed in the guide piece, and two ends of the guide cavity are provided with openings.

Optionally, the guide member includes a rail base plate and a guide rail that are clamped together, and the clamped rail base plate and the guide rail define the guide cavity.

Optionally, the cable towing rail guide further comprises a driven rail disposed on the rail base plate and extending in the same direction as the guide rail, the driven rail and the rail base plate defining a driven groove.

Optionally, the driven rail is detachably mounted on the rail base plate.

Optionally, the rail bottom plate can be attached to the bottom of the cable trough in a floating manner.

According to the guide rail assembly provided by the invention, the cable drags the drive chain of the rail guide device to be placed in the guide cavity, and the guide cavity plays a role in protecting and guiding the drive chain; the guide piece is limited in the cable groove through the vertical guide rod and the elastic piece, the elastic piece is in a compressed state and applies a tensile force pointing to the bottom of the cable groove to enable the guide piece to be attached to the bottom of the cable groove, and the elastic piece can be stretched or further compressed to enable the vertical guide rod to move in the adjusting hole along the axial direction, so that the rail bottom plate is enabled to generate certain displacement in a preset range along the vertical and left and right directions, and necessary conditions are provided for position adjustment of the subsequent guide piece at the butt joint; when two direction chambeies dock, the second end of a transverse guide rod can wear to establish in the uide hole of another transverse guide rod, so that the guide can carry out about, the adjustment of left and right sides in butt joint department, guarantee that two direction chambeies of butt joint are adjusted well in respective opening part and set up, improve the adaptability of guide, avoid the cable to pull track guider and appear the problem that the card hinders in butt joint department, the cable pulls track guider can pass smoothly in butt joint department, the continuity that the cable pulled track guider and removed has been increased, the maintenance cost that the cable pulled track guider has been reduced.

Drawings

Fig. 1 is a transverse cross-sectional view of a cable towing rail guide apparatus provided in accordance with an alternative embodiment of the present invention.

Fig. 2 is a schematic structural view of a cable towing track guide according to an alternative embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a guide rail according to an alternative embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a track base plate according to an alternative embodiment of the present invention.

Fig. 5 is a side view of two cable towing rail guides in butt joint according to an alternative embodiment of the present invention.

Fig. 6 is a partially enlarged view of a in fig. 5.

Fig. 7 is a top view of fig. 5.

Fig. 8 is a schematic structural diagram of a guiding method according to an alternative embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

As shown in fig. 1 to 5, the present invention provides a cable towing rail guide apparatus including a cable groove 1, a guide 2, a vertical guide bar 3, an elastic member 4, and a lateral guide bar 5.

Referring to fig. 1 to 2, an adjusting hole is formed at the bottom of the cable groove 1, the guide member 2 is disposed in the cable groove 1, a guide cavity 21 extending in the same direction as the cable groove 1 is formed in the guide member 2, and openings are formed at both ends of the guide cavity 21, so that the cable dragging track guide device can pass smoothly. The guide cavity 21 is used for placing a drive chain of the cable dragging track guide, and the drive chain drives the cable dragging track guide to move along the cable groove. A first end of the vertical guide rod 3 is connected to the guide part 2, and a second end of the vertical guide rod 3 can extend out of the cable groove 1 from the adjusting hole in a sliding manner; the elastic part 4 is positioned outside the cable groove 1, a first end of the elastic part 4 along the elastic direction abuts against the groove bottom of the cable groove 1, a second end of the elastic part 4 along the elastic direction is limited on the vertical guide rod 3, and when the guide track 23 abuts against the groove bottom of the cable groove 1, the length of the elastic part 4 along the elastic direction is smaller than that in a free state; the first end of the transverse guide rod 5 is fixedly arranged at the first end of the guide part 2, the second end of the transverse guide rod 5 extends out of the notch of the cable groove 1, and the thickness and the width of the second end of the transverse guide rod 5 are gradually reduced along the direction far away from the notch of the cable groove 1; the second end of the guide member 2 is provided with a guide opening for accommodating the second end of the transverse guide rod 5, and the second end of the transverse guide rod 5 is adjustably arranged in the guide opening.

According to the cable dragging track guiding device provided by the invention, a driving chain of the cable dragging track guiding device is placed in the guiding cavity 21, and the guiding cavity 21 plays a role in protecting and guiding the driving chain; the guide member 2 is limited in the cable groove 1 through the vertical guide rod 3 and the elastic member 4, the elastic member 4 is in a compressed state to apply a pulling force pointing to the groove bottom of the cable groove 1 to enable the guide member 2 to be attached to the groove bottom of the cable groove 1, and the elastic member 4 can be stretched or further compressed to enable the vertical guide rod 3 to move axially in the adjusting hole to ensure that the rail base plate 22 generates certain displacement in a predetermined range along the vertical and left and right directions to provide necessary conditions for position adjustment of the subsequent guide member 2 at the butt joint, when two guide cavities 21 are butted, the second end of one transverse guide rod 5 can be inserted into the guide opening of the other transverse guide rod 5 to enable the guide member 2 to be adjusted up and down and left and right at the butt joint, and ensure that the two butted guide cavities 21 are aligned at respective openings, the adaptability of the guide piece 2 is improved, the problem that the cable dragging track guide device is blocked at the butt joint is avoided, the cable dragging track guide device can smoothly pass at the butt joint, the moving continuity of the cable dragging track guide device is improved, and the maintenance cost of the cable dragging track guide device is reduced. Alternatively, two oppositely arranged ends of the guide member 2 are aligned with two oppositely arranged notches of the cable trough 1 in a one-to-one correspondence. This embodiment can make the second end of transverse guide 5 directly wear to establish into on the guide 2, avoids appearing the position interference with cable duct 1, has increased transverse guide's 5 flexibility.

Optionally, the thickness and the width of the second end of the transverse guide rod 5 are both gradually reduced along the direction away from the notch of the cable groove 1, as shown in fig. 2, the second end of the transverse guide rod 5 can be shaped like a wedge structure in the embodiment, a certain wedge angle is formed in both the thickness direction and the width direction, the guide opening is a strip-shaped opening, the second end of the transverse guide rod 5 is adjustably arranged in the guide opening, that is, the wedge structure can deflect in the strip-shaped guide opening to adapt to the deflection of the adjacent cable groove at the butt joint, and the adjacent tracks are ensured to be always kept continuous at the butt joint through the connection effect of the wedge structure, so that the occurrence of stubble faults is avoided.

Preferably, the guide member 2 includes a rail base plate 22 and a guide rail 23, which are clamped together, and the clamped rail base plate 22 and the guide rail 23 define the guide cavity 21. The guide rail 23 may be a structure with a U-shaped cross section, the guide rail 23 is fastened to the rail base plate 22 in a manner that the notch faces the rail base plate 22 to form the guide cavity 21, and two side plates on the guide rail 23 can limit the driving chain left and right.

Optionally, track bottom plate 22 is laminated the tank bottom of cable duct 1, guide rail 22 includes roof 25, be provided with stopper 24 on the roof 25, stopper 24 with leave the clearance between the roof 25, be provided with the card strip on the track bottom plate 22, the card strip extends into in the clearance to make track bottom plate 22 play spacing effect to guide rail 23 on vertical direction, so that track bottom plate 22 with guide rail 23 looks joint, the laying of drive chain of being convenient for. The clamping strip can be an L-shaped structure, the vertical structure of the L-shaped structure can enable the transverse structure to extend into the gap, and the transverse structure directly penetrates through the gap.

Preferably, the cable towing rail guide further comprises a driven rail 6, the driven rail 6 being detachably mounted on the rail base 22 and extending in the same direction as the guide rail 23, the driven rail 6 and the rail base 22 defining a driven groove 61. The drive chain is an annular chain, and the driven rail 6 and the guide rail 23 can form an annular rail matched with the drive chain, so that the drive chain can move annularly in the cable dragging rail guide device.

Optionally, the driven rail 6 is bolted to the cable trough 1. The driven track 6 bolted connection has convenient to detach's characteristics, makes things convenient for driven track 6 to take out and put back from cable duct 1, is convenient for lay of drive chain.

Optionally, the cable dragging track guiding device further comprises a nut 7, a second end of the vertical guide rod 3 is provided with an external thread, the nut 7 is screwed on the external thread, and a second end of the elastic member 4 abuts against one side of the nut 7 facing the cable trough 1. The elastic member 4 may be sleeved on the vertical guide rod 3, and then the nut 7 may be screwed on the vertical guide rod 3 to limit the second end of the elastic member 4. And the nut 7 can be disassembled to facilitate the removal or replacement of the elastic element 4.

Preferably, the elastic member 4 includes a return spring, and the return spring is sleeved on the vertical guide rod 3. The rail base plate 22 can be tightly attached to the bottom of the cable trough 1 by the tension of the return spring.

Based on the same inventive concept, the invention also provides a guide rail assembly, which comprises at least two cable dragging rail guide devices, wherein the at least two cable dragging rail guide devices are sequentially arranged; in any two adjacent cable dragging track guide devices, two cable grooves 1 are butted, two guide pieces 2 are butted, and the second end of the transverse guide rod 5 on the first guide piece 2 extends into the guide opening.

As shown in fig. 8, based on the same inventive concept, the present application further provides a guiding method for guiding a cable through the above-mentioned guiding track assembly, comprising the following steps: s1: arranging a plurality of cable dragging track guide devices, and arranging at least two cable dragging track guide devices in sequence; s2: in any two adjacent cable dragging track guiding devices, two cable grooves 1 are butted, two guiding pieces 2 are butted, and the second end of the transverse guide rod 5 on the first guiding piece 2 extends into the guiding opening 27; and S3, sequentially penetrating the driving chain through the guide cavities 21 of the cable dragging track guide devices.

According to the cable dragging track guiding device, the guiding track assembly and the guiding method, a transverse guide rod 5 is arranged between a guide piece 2 and the guide piece 2 in the cable dragging track guiding device, and a vertical guide rod 3 is arranged between the vertical direction and a cable groove 1. One end of the transverse guide rod 5 is rectangular, and the other end of the transverse guide rod is wedge-shaped and has a certain wedge angle, so that the bending change and the gap change of the upper part, the lower part, the left part and the right part between the rails can be allowed; the vertical guide rod 3 of track and cable duct 1 are floating structure from top to bottom, control, have certain float volume, make the track float under the direction of horizontal guide rod 5, and mutual location between adjacent track ensures that the track can avoid the appearance of wrong stubble when can adapt to the working face and fluctuate and push away smooth and draw frame normal bending condition, has guaranteed the continuity in the track space.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. The utility model provides a guide rail assembly which characterized in that, includes that a plurality of cables pull track guider, and is a plurality of cable pulls track guider arranges the setting in proper order, cable pulls track guider includes:

a cable trough;

the guide piece is arranged in the cable groove and provided with a first end and a second end which are opposite in the length direction, and a guide opening is formed in the second end of the guide piece; and

a cross-guide having first and second ends opposite in a lengthwise direction thereof, the first end of the cross-guide being fixedly disposed on the first end of the guide, the second end of the cross-guide extending from a slot of the cable trough, wherein the second end of the cross-guide is adjustably disposed within the guide, wherein the cross-guide of one of two adjacent cable drag track guides is disposed within the guide of the other of the two adjacent cable drag track guides such that the plurality of cable drag track guides are sequentially docked.

2. The guide rail assembly according to claim 1, wherein the transverse guide bar of one of two adjacent cable drag rail guides is adjustably disposed within the guide opening of the other of two adjacent cable drag rail guides.

3. The guide rail assembly of claim 2, wherein the second end of the transverse guide bar has a thickness and a width that both decrease in a direction away from the first end thereof, and the guide opening is a strip-shaped opening.

4. The guide rail assembly of claim 1, wherein the cable trough has first and second opposing notches along its length, the first end of the guide being aligned with the first notch of the cable trough, the second end of the guide being aligned with the second notch of the cable trough.

5. The guide rail assembly according to claim 1, wherein the guide member is provided with a guide cavity extending in the same direction as the cable groove, and both ends of the guide cavity are open.

6. The guide rail assembly of claim 5, wherein the guide member comprises a rail base plate and a guide rail that are clamped together, and the clamped rail base plate and the guide rail define the guide cavity.

7. The guide track assembly of claim 6, wherein the cable towing track guide further comprises a follower track disposed on the track base and extending co-directionally with the guide track, the follower track defining a follower channel with the track base.

8. The guide track assembly of claim 7, wherein the follower track is removably mounted to the track base.

9. The guide rail assembly of claim 6, wherein the rail base plate is floatably attached to the bottom of the cable trough.