CN113200429A - Split type multi-rope lifting tail rope tensioning anti-swing device - Google Patents

Abstract

The invention discloses a split type multi-rope lifting tail rope tensioning and anti-swing device which comprises a plurality of pairs of guide rails, a plurality of tensioning hammers and a plurality of tension wheels, wherein the tensioning hammers are arranged at intervals and independently move up and down along the guide rails one by one, the tension wheels are used for tensioning a plurality of tail ropes one by one, and the tension wheels are arranged on the tensioning hammers one by one in a pivot mode. The split type multi-rope lifting tail rope tensioning anti-swing device has the characteristics of simple structure, strong reliability, respective tensioning and effective anti-falling of single ropes, and prevention of tail rope swing.

Description

Split type multi-rope lifting tail rope tensioning anti-swing device

Technical Field

The invention relates to the technical field of mine engineering, in particular to a split type multi-rope lifting tail rope tensioning anti-swing device.

Background

In the related art, in a multi-rope hoisting system of a mine shaft, a plurality of tail ropes are isolated and separated by fixing an upper isolation square timber and a lower isolation rubber tube in the shaft to prevent the tail ropes from being twisted. Along with the increase of the depth of the vertical shaft, the thickening of the tail rope, the lengthening of the tail rope, the improvement of the lifting speed, the increase of the swing amplitude of the tail rope and the like, the collision force generated by the swing and the twisting of the tail rope on the isolating square timber and the isolating rubber pipe is increased, the sliding friction between the isolating square timber and the tail rope is increased, the isolating square timber and the isolating rubber pipe are seriously worn and easily damaged, the service life is greatly shortened, the tail rope is easily damaged, and potential safety hazards exist.

Disclosure of Invention

The present application is made based on the discovery and recognition by the inventors of the following facts and problems in the related art.

Document 1-CN105347141B proposes a tail rope tensioning device for a shaft hoisting container, and document 2-CN108217386A proposes a tail rope tensioning device and an installation method thereof. However, the inventors of the present application have found and recognized through research that in documents 1 and 2, a plurality of guide sheaves of a plurality of tail ropes are mounted on the same shaft supported on two guide sheave supports. The inventor of the present applicant found and realized through research and development that in practical applications, it is difficult to ensure that a plurality of tail ropes have the same length, and in addition, the elastic elongation and the residual elongation of the plurality of tail ropes are different during operation, so that documents 1 and 2 respectively tension the plurality of tail ropes by using a plurality of guide wheels mounted on the same shaft, which causes different tension of the plurality of tail ropes, large tension of the short tail rope, small tension of the long tail rope, and even the long tail rope is in a slack state and has zero tension. In addition, along with the residual extension of the tail rope is gradually increased, the longest tail rope can be separated from the rope groove of the guide wheel and jump out of the guide wheel, so that the isolation tail rope is invalid, and further safety accidents are caused. Particularly, under the unexpected conditions such as emergency braking working condition, the tail rope is more likely to jump and is separated from the rope groove of the guide wheel, and the rope wheel jumps out of the rope wheel, particularly the longest tail rope jumps out of the guide wheel more easily. Therefore, the reliability of the tail rope tensioner in the related art is low.

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.

Therefore, the embodiment of the invention provides a split type multi-rope lifting tail rope tensioning anti-swing device with high reliability.

According to the split type multi-rope lifting tail rope tensioning and anti-swing device provided by the embodiment of the invention, the split type multi-rope lifting tail rope tensioning and anti-swing device comprises a plurality of pairs of guide rails, a plurality of tensioning weights and a plurality of tension pulleys, wherein the tensioning weights are arranged at intervals and independently move up and down along the guide rails in a one-to-one correspondence manner, the tension pulleys are used for tensioning a plurality of tail ropes in a one-to-one correspondence manner, and the tension pulleys are arranged on the tensioning weights in a one-to-one correspondence manner and can be pivoted.

According to the split type multi-rope lifting tail rope tensioning anti-swing device provided by the embodiment of the invention, the plurality of tail ropes are separately tensioned by arranging the plurality of tensioning wheels corresponding to the plurality of tail ropes, so that the problem of different tail rope lengths is effectively solved, the reliability and the safety of the split type multi-rope lifting tail rope tensioning anti-swing device are improved, and the service life of the device is prolonged.

In some embodiments, the split multi-rope lifting tail rope tensioning and anti-sway device further comprises an anti-slip wheel, the anti-slip wheel is arranged on the tensioning weight, and the outer circumferential surface of the anti-slip wheel is opposite to the outer circumferential surface of the tensioning wheel to prevent the tail rope from slipping out of the tensioning wheel.

In some embodiments, each of the tensioning wheels corresponds to a plurality of the anti-slip wheels, and the anti-slip wheels are arranged at intervals along the circumferential direction of the tensioning wheel.

In some embodiments, a first circumferential rope groove is formed on the outer circumferential surface of the tension wheel, and a second circumferential groove opposite to the first circumferential rope groove is formed on the outer circumferential surface of the anti-slip wheel.

In some embodiments, a wear liner is disposed within the first circumferential rope groove.

In some embodiments, the wear liner is a nylon pad or a brass pad.

In some embodiments, the guide rail comprises a first guide rail and a second guide rail, the first guide rail and the second guide rail being opposed and spaced apart from each other.

In some embodiments, the split multi-rope halyard tensioning sway brace further comprises a plurality of structural beams adapted to be secured within a wellbore, the first and second rails mounted on the structural beams and opposing each other.

In some embodiments, a first guide groove is formed on the first guide rail, a second guide groove is formed on the second guide rail, a pair of first guide blocks is arranged at the first end of each tensioning weight, a pair of second guide blocks is arranged at the second end of each tensioning weight, the first guide blocks are movably matched in the first guide grooves, and the second guide blocks are movably matched in the second guide grooves.

In some embodiments, the split multi-rope lifting tail rope tensioning anti-swing device further includes a plurality of travel switches, and the travel switches are correspondingly arranged on the pairs of guide rails one to one and used for sending out a signal alarm when the corresponding tensioning heavy hammer touches.

Drawings

Fig. 1 is a schematic structural diagram of a split multi-rope hoisting tail rope tensioning anti-sway device according to an embodiment of the invention.

Fig. 2 is a side view of a split multi-cord lift tail rope tensioning sway brace in accordance with an embodiment of the present invention.

Fig. 3 is a top view of a split multi-cord lift tail rope tensioning sway brace in accordance with an embodiment of the present invention.

Fig. 4 is a schematic structural view of a tensioner according to an embodiment of the present invention.

Reference numerals:

the tensioning weight comprises a guide rail 1, a first guide rail 11, a first guide groove 111, a second guide rail 12, a second guide groove 121, a tensioning weight 2, a first end 21, a second end 22, a first guide block 23, a second guide block 24, a tensioning wheel 3, a first circumferential rope groove 31, a wear-resistant liner 311, an anti-dropping wheel 4, a second circumferential groove 41, a structural beam 5 and a travel switch 6.

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.

The split type multi-rope hoisting tail rope tensioning anti-sway device according to the embodiment of the present invention is described below with reference to the accompanying drawings.

The split type multi-rope lifting tail rope tensioning anti-swing device comprises a plurality of pairs of guide rails 1, a plurality of tensioning weights 2 and a plurality of tensioning wheels 3.

The tensioning weights 2 are arranged at intervals and move up and down independently along the guide rails 1, the tensioning wheels 3 are used for tensioning the tail ropes, and the tensioning wheels 3 are mounted on the tensioning weights 2 in a one-to-one correspondence and can pivot.

As shown in fig. 1 to 3, a plurality of pairs of guide rails 1 are arranged at intervals, the tensioning weights 2 are arranged in one-to-one correspondence between the plurality of pairs of guide rails 1, and the plurality of tensioning weights 2 are not connected to each other and move up and down along the corresponding guide rails 1 independently. The tensioning weights 2 are of a frame structure, each tensioning weight 2 is provided with a tensioning wheel 3, the tensioning wheels 3 can pivot on the tensioning weights 2, and each tensioning wheel 3 correspondingly tensions a tail rope.

According to the split type multi-rope lifting tail rope tensioning anti-swing device disclosed by the embodiment of the invention, the plurality of tensioning wheels 3 corresponding to the plurality of tail ropes are arranged to separately and independently tension the plurality of tail ropes, so that the problem of different tail rope lengths is effectively solved, the reliability and the safety of the split type multi-rope lifting tail rope tensioning anti-swing device are improved, and the service life of the device is prolonged.

In some embodiments, the split multi-rope lifting tail rope tensioning anti-swing device further comprises an anti-slip wheel 4, the anti-slip wheel 4 is disposed on the tensioning weight 2, and the outer circumferential surface of the anti-slip wheel 4 is opposite to the outer circumferential surface of the tensioning wheel 3 to prevent the tail rope from slipping out of the tensioning wheel 3. As shown in fig. 1 and 4, the anti-slip wheel 4 is arranged, so that the blocking is added on the outer peripheral surface of the tensioning wheel 3, when the tail rope jumps seriously, the anti-slip wheel 4 can block the tail rope back, the tail rope is limited in the tensioning wheel 3, and the production safety is improved.

In some embodiments, each tensioning wheel 3 corresponds to a plurality of disengagement prevention wheels 4, and the plurality of disengagement prevention wheels 4 are arranged at intervals in the circumferential direction of the tensioning wheel 3. As shown in fig. 1, a plurality of anti-slip wheels 4 may be provided at intervals in the circumferential direction of each tensioning wheel 3, and preferably, three anti-slip wheels 4 are provided at even intervals below each tensioning wheel 3.

In some embodiments, the outer circumferential surface of the tensioning wheel 3 is provided with a first circumferential rope groove 31, and the outer circumferential surface of the anti-drop wheel 4 is provided with a second circumferential groove 41 opposite to the first circumferential rope groove 31. As shown in fig. 4, the tail rope is located in the first circumferential rope groove 31 of the tension pulley 3, the second circumferential groove 41 is arranged on the outer circumferential surface of the anti-slip pulley 4, the second circumferential groove 41 and the first circumferential rope groove 31 are arranged oppositely to form a cavity, the tail rope is limited to move in the formed cavity, the tail rope can be prevented from jumping out, and the safety of the device is improved.

In some embodiments, a wear liner 311 is provided within the first circumferential rope groove 31. As shown in fig. 4, the wear-resistant lining 311 can reduce wear of the tension pulley 3 and the tail rope, improve the service life of the tension pulley 3 and the tail rope, reduce the number of times of replacement and maintenance of the tension pulley 3, and prolong the service life of the device.

In some embodiments, the wear liner 311 is a nylon pad or a brass pad. The softer material of texture that compares take-up pulley 3 such as nylon or brass can effectively play wear-resisting anticorrosive effect, does benefit to the wearing and tearing that reduce take-up pulley 3 and tail rope, reduces take-up pulley 3 and changes the maintenance number of times.

In some embodiments, the track 1 comprises a first track 11 and a second track 12, the first track 11 and the second track 12 being arranged opposite and spaced apart from each other. As shown in FIG. 1, the first guide rail 11 is disposed on the left side of the tensioning weight 2, the second guide rail 12 is disposed on the right side of the tensioning weight 2, the tensioning weight 2 is disposed between the first guide rail 11 and the second guide rail 12, and the first guide rail 11 and the second guide rail 12 can ensure the normal up and down movement of the tensioning weight 2 to avoid the collision among the tensioning weights 2.

In some embodiments, the split multi-rope hoisting tail-rope tensioning sway brace further comprises a plurality of structural beams 5, the plurality of structural beams 5 being adapted to be secured within a wellbore, the first rail 11 and the second rail 12 being mounted on the structural beams 5 and opposing each other. As shown in fig. 1 and 3, a structural beam 5 is arranged on the inner wall of the shaft, and the structural beam 5 is used for supporting the first guide rail 11 and the second guide rail 12, so that the positions of the first guide rail 11 and the second guide rail 12 are fixed and do not change, thereby prolonging the service life of the device and reducing the occurrence of accidents.

In some embodiments, the first guide rail 11 is provided with a first guide groove 111, the second guide rail 12 is provided with a second guide groove 121, the first end 21 of each tensioning weight 2 is provided with a pair of first guide blocks 23, the second end 22 of each tensioning weight 2 is provided with a pair of second guide blocks 24, the first guide blocks 23 are movably fitted in the first guide groove 111, and the second guide blocks 24 are movably fitted in the second guide grooves 121.

As shown in FIGS. 1 and 3, the first guide block 23 is engaged with the first guide groove 111, and the second guide block 24 is engaged with the second guide groove 121, so that the tightening weight 2 moves up and down along a fixed path. As shown in fig. 2, when the tightening weight 2 moves up and down, the tightening weight 2 does not deflect in the left-right direction, and thus, an accident caused by collision of the tightening weights 2 with each other can be avoided.

As shown in fig. 1-3, the tensioning wheel 3 is pivotally disposed on the tensioning weight 2, the anti-slip wheel 4 is also rotatably disposed on the tensioning weight 2, and the tensioning weight 2, the tensioning wheel 3, the anti-slip wheel 4, etc. are integrated. The structural beam 5 is fixed on the inner wall of the shaft, the first guide rail 11 and the second guide rail 12 of the guide rail 1 are fixed on the structural beam 5, and the guide rail 1 is fixed. The tensioning weight 2 is fixedly connected with the first guide block 23 and the second guide block 24, the first guide block 23 and the second guide block 24 are respectively matched with the first guide groove 111 and the second guide groove 121 of the guide rail 1 correspondingly, so that the tensioning weight 2 can only move up and down, cannot rotate and swing along the guide rail 1, the tensioning weight 2, the tensioning wheel 3, the anti-falling wheel 4 and the like can only move up and down along the guide rail 1 to tension the tail rope, and cannot rotate and swing, and the function of preventing the tail rope from swinging is realized.

In some embodiments, the split type multi-rope lifting tail rope tensioning anti-swing device further comprises a plurality of travel switches 6, and the travel switches 6 are arranged at the bottoms of the pairs of guide rails 1 in a one-to-one correspondence manner and used for sending out a signal alarm when the corresponding tensioning heavy hammer 2 touches. As shown in FIG. 2, when the tightening weight 2 moves to the bottom, the travel switch 6 disposed at the bottom of the guide rail 1 is touched, and a signal is transmitted to the ground surface to give an alarm, so as to avoid the accident caused by the collision due to the fact that the tightening weight 2 continues to move downwards.

In the following, referring to fig. 1 to 4, a split type multi-rope lifting tail rope tension swing preventing apparatus according to some specific examples of the present invention is described, and the split type multi-rope lifting tail rope tension swing preventing apparatus according to an embodiment of the present invention includes a plurality of pairs of guide rails 1, a plurality of tensioning weights 2, a plurality of tensioning wheels 3, a plurality of escape prevention wheels 4, a plurality of structural beams 5, and a plurality of travel switches 6.

As shown in fig. 1-3, a plurality of structural beams 5 are fixedly arranged on the inner wall of the shaft, the guide rail 1 comprises a first guide rail 11 and a second guide rail 12, the first guide rail 11 and the second guide rail 12 are fixedly arranged on the structural beams 5 opposite to each other, the first guide rail 11 is provided with a first guide groove 111, and the second guide rail 12 is provided with a second guide groove 121.

The tensioning weights 2 are arranged on the pairs of guide rails 1 at intervals in a one-to-one correspondence manner, as shown in fig. 1, the first guide rail 11 is arranged on the left side of the tensioning weight 2, the second guide rail 12 is arranged on the right side of the tensioning weight 2, the tensioning weight 2 is arranged between the first guide rail 11 and the second guide rail 12, the first end 21 of the tensioning weight 2 is provided with a pair of first guide blocks 23, the second end 22 of the tensioning weight 2 is provided with a pair of second guide blocks 24, the first guide blocks 23 are matched with the first guide grooves 111, and the second guide blocks 24 are matched with the second guide grooves 121, so that the tensioning weight 2 moves up and down along a fixed route.

As shown in fig. 3, a plurality of tensioning wheels 3 are pivotally arranged on a plurality of tensioning weights 2 in a one-to-one correspondence, i.e. one tensioning wheel 3 is arranged on each tensioning weight 2, the tensioning wheels 3 are pivotally arranged on the tensioning weights 2, and each tensioning wheel 3 tensions a tail rope.

As shown in fig. 1 and 4, the retaining pulley 4 is provided in the circumferential direction of the tensioning pulley 3, a plurality of retaining pulleys 4 are provided at intervals in the circumferential direction of each tensioning pulley 3, the retaining pulley 4 is provided on the tensioning weight 2, and the outer circumferential surface of the retaining pulley 4 faces the outer circumferential surface of the tensioning pulley 3 to prevent the tail rope from being released from the tensioning pulley 3.

As shown in fig. 1 and 2, the travel switches 6 are correspondingly arranged on the pairs of guide rails 1, and when the tensioning weight 2 runs to the bottom, the travel switches 6 arranged at the bottom of the guide rails 1 are touched, and a signal is transmitted to the ground surface to give an alarm, so as to avoid the occurrence of accidents due to bottom-touching collision caused by continuous downward movement.

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 (10)

1. The utility model provides a split type multi-rope hoisting tail rope tensioning prevents pendulum device which characterized in that includes:

a plurality of pairs of guide rails;

the tensioning weights are arranged at intervals and move up and down independently along the guide rails in a one-to-one correspondence manner;

the tensioning wheels are used for tensioning the tail ropes in a one-to-one correspondence mode, and the tensioning wheels are mounted on the tensioning heavy hammers in a one-to-one correspondence mode and can pivot.

2. The split multi-rope lifting tail rope tensioning and anti-sway device of claim 1, further comprising an anti-slip wheel disposed on the tensioning weight, an outer circumferential surface of the anti-slip wheel opposing an outer circumferential surface of the tensioning wheel to prevent the tail rope from slipping out of the tensioning wheel.

3. The split multi-rope hoisting tail rope tensioning anti-sway device of claim 2, wherein each of said tensioning wheels corresponds to a plurality of anti-run-off wheels, and said plurality of anti-run-off wheels are arranged at intervals in a circumferential direction of said tensioning wheels.

4. The split multi-rope lifting tail rope tensioning and anti-sway device of claim 2, wherein a first circumferential rope groove is formed on an outer circumferential surface of the tensioning wheel, and a second circumferential groove opposite to the first circumferential rope groove is formed on an outer circumferential surface of the anti-sway wheel.

5. The split multi-rope hoisting tail rope tensioning and anti-sway device of claim 4, wherein a wear liner is disposed within the first circumferential rope groove.

6. The split multi-cord lifting tail rope tensioning anti-sway device of claim 5, wherein the wear liner is a nylon pad or a brass pad.

7. The split multi-cord halyard tensioning anti-sway device of claim 1, wherein said guide rail comprises a first guide rail and a second guide rail, said first guide rail and said second guide rail being opposed to and spaced apart from each other.

8. The split multi-rope halyard tensioning anti-sway device of claim 7, further comprising a plurality of structural beams adapted to be secured within a wellbore, the first and second rails being mounted on the structural beams and opposing each other.

9. The split multi-rope hoisting tail rope tensioning and anti-sway device of claim 8, wherein said first guide rail is provided with a first guide groove, said second guide rail is provided with a second guide groove, a first end of each of said tensioning weights is provided with a pair of first guide blocks, a second end of each of said tensioning weights is provided with a pair of second guide blocks, said first guide blocks are movably fitted in said first guide grooves, and said second guide blocks are movably fitted in said second guide grooves.

10. The split type multi-rope lifting tail rope tensioning anti-swing device according to claim 1, further comprising a plurality of travel switches, wherein the travel switches are arranged at the bottoms of the pairs of guide rails in a one-to-one correspondence manner and used for sending out a signal alarm when the corresponding tensioning weights touch.

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