CN215408711U

CN215408711U - Mining wear-resistant pneumatic anchor cable tensioning machine tool

Info

Publication number: CN215408711U
Application number: CN202121159159.XU
Authority: CN
Inventors: 田伟; 田魏; 田作超
Original assignee: Changzhou Ruiming Machinery Co ltd
Current assignee: Changzhou Ruiming Machinery Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-01-04
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a mining wear-resistant pneumatic anchor cable tensioning machine tool, which comprises a bottom plate, wherein one side of the top of the bottom plate is fixedly connected with a pneumatic assembly, the other side of the top of the bottom plate is fixedly connected with a fixed plate, the top of the fixed plate is provided with a fixed groove, the inside of the fixed groove is fixedly connected with a tensioning jack through a fixed mechanism, both sides of the tensioning jack are fixedly connected with clamping mechanisms, the two sides of the top of the tensioning jack are respectively and fixedly connected with a first air inlet and a second air inlet, the anchor cables with different numbers and different inner diameters are fixed through a clamping mechanism, thereby greatly improving the practicability and the application range of the device, effectively reducing the abrasion degree between the inner splint and the anchor cable by utilizing the abrasion-resistant coating, thereby the phenomenon of skidding appears in the interior splint when fixed anchor rope, and then stability when having improved this device stretch-draw anchor rope greatly.

Description

Mining wear-resistant pneumatic anchor cable tensioning machine tool

Technical Field

The utility model relates to the technical field of pneumatic anchor cable tensioning machines, in particular to a mining wear-resistant pneumatic anchor cable tensioning machine.

Background

The anchor cable tensioning machine tool is a device for tensioning the anchor cable. At present, when the mining anchor cable is tensioned, the anchor cable needs to be tensioned for a period of time by set tensioning force, and the anchor cable can be stably fixed to the change of rocks along with the rapid popularization and application of the anchor cable in a stope, so that the important effect on the safety of the stope is achieved. The common manual anchor cable stretching machine has the problems of long working time, large manpower consumption, low safety and low working efficiency in the use process, and can cause the unqualified fastening phenomenon of the anchor cable and easily damage and delay the production. Therefore, with the continuous progress of science and technology, a pneumatic anchor cable tensioning machine has appeared, which can realize automatic anchoring and automatic anchor withdrawal, greatly improve the working efficiency of constructors, and improve the safety and production progress of a stope, but the existing pneumatic anchor cable tensioning machine generally adopts a fixing clamp with fixed inner diameter to fix the anchor cable, so that the fixing clamps with different inner diameters are often required to be replaced when the anchor cables with different numbers and different types of radiuses are tensioned, thereby seriously affecting the tensioning efficiency, and during tensioning, because the fixing clamps can generate friction with the anchor cable, the fixing clamps are easy to slip due to abrasion after being used for a period of time, thereby affecting the tensioning precision of the device, and in the actual installation process, operators often need to utilize bolts to fix the tensioning jack, therefore, an operator is very troublesome in replacing and maintaining the tensioning jack, and therefore the mining wear-resistant pneumatic anchor cable tensioning machine is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mining wear-resistant pneumatic anchor cable tensioning machine tool to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a mining stand wear and tear pneumatic anchor rope stretch-draw machines, includes the bottom plate, the pneumatic subassembly of top one side fixedly connected with of bottom plate, the opposite side fixedly connected with fixed plate at bottom plate top, the fixed slot has been seted up at the top of fixed plate, the fixed slot is inside through fixed establishment fixedly connected with stretch-draw jack, the equal fixedly connected with clamping mechanism in both sides of stretch-draw jack, the top both sides of stretch-draw jack are the first air inlet of fixedly connected with and second air inlet respectively, pneumatic subassembly passes through high-pressure pipeline fixedly connected with switching-over valve, the other end of switching-over valve pass through high-pressure pipeline respectively with first air inlet and second air inlet fixed connection.

Preferably, the clamping mechanism comprises a shell body, a threaded hole is formed in the outer surface of the shell body, a fastening bolt is connected with the internal thread of the threaded hole, the fastening bolt is located on an internal clamping plate fixedly connected with one side inside the shell body, and a fastening nut is connected with one side of the fastening bolt located outside the shell body through the thread, so that the applicability of the device is greatly improved.

Preferably, four groups of clamping mechanisms are arranged, and are distributed in an annular array mode relative to the circle center of the outer shell, so that the stability of the device is greatly improved.

Preferably, the outer surface of the inner clamping plate is coated with a wear-resistant coating, and a sealing ring is fixedly connected between the outer shell and the tensioning jack, so that the service life of the device is greatly prolonged.

Preferably, the fixing mechanism comprises grooves formed in two sides of the inner wall of the fixing groove, the inner wall of each groove is fixedly connected with a return spring, and the other end of each return spring is fixedly connected with a limiting plate, so that the working efficiency of the device is greatly improved.

Preferably, the bottom four corners of the bottom plate are fixedly connected with universal wheels, one side of the bottom plate is fixedly connected with a push rod, and the outer surface sleeve of the push rod is provided with an anti-skidding sleeve, so that the practicability of the device is greatly improved.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the anchor cable fixing device, the outer shell, the threaded holes, the fastening bolts, the inner clamping plates, the wear-resistant coating and the fastening nuts are arranged, so that the anchor cables with different numbers and different inner diameters can be fixed through the clamping mechanism, the practicability and the application range of the anchor cable fixing device are greatly improved, the wear degree between the inner clamping plates and the anchor cables can be effectively reduced by utilizing the wear-resistant coating, the inner clamping plates are prevented from slipping when the anchor cables are fixed, and the stability of the anchor cable stretching device is greatly improved;

2. the device is also provided with the fixing plate, the universal wheel, the fixing groove, the reset spring and the limiting plate, so that the device can be quickly moved to different working places through the universal wheel, the tensioning jack is fixed by the fixing mechanism, the mounting and dismounting speed of an operator on the tensioning jack is greatly increased, and the replacement and maintenance efficiency of the operator on the tensioning jack is greatly improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the present invention in its entirety;

FIG. 2 is a schematic view of the internal structure of the clamping mechanism of the present invention;

fig. 3 is a partial internal structure diagram of the fixing plate of the present invention;

FIG. 4 is a perspective view of a fixing plate according to the present invention;

in the figure: 1. a base plate; 2. a universal wheel; 3. a pneumatic assembly; 4. a fixing plate; 5. fixing grooves; 6. a groove; 7. a return spring; 8. a limiting plate; 9. tensioning a jack; 10. a clamping mechanism; 101. an outer housing; 102. a threaded hole; 103. fastening a bolt; 104. an inner splint; 105. a wear-resistant coating; 106. fastening a nut; 11. a first air inlet; 12. a second air inlet; 13. a seal ring; 14. a controller; 15. a push rod; 16. a reversing valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a wear-resistant pneumatic anchor cable tensioning machine for mines, which comprises a base plate 1, wherein a pneumatic assembly 3 is fixedly connected to one side of the top of the base plate 1, a fixing plate 4 is fixedly connected to the other side of the top of the base plate 1, a fixing groove 5 is formed in the top of the fixing plate 4, a tensioning jack 9 is fixedly connected to the inside of the fixing groove 5 through a fixing mechanism, clamping mechanisms 10 are fixedly connected to two sides of the tensioning jack 9, a first air inlet 11 and a second air inlet 12 are respectively and fixedly connected to two sides of the top of the tensioning jack 9, a reversing valve 16 is fixedly connected to the pneumatic assembly 3 through a high-pressure pipeline, and the other end of the reversing valve 16 is respectively and fixedly connected to the first air inlet 11 and the second air inlet 12 through a high-pressure pipeline.

In a preferred embodiment, the clamping mechanism 10 includes an outer casing 101, a threaded hole 102 is opened on an outer surface of the outer casing 101, a fastening bolt 103 is connected to an inner thread of the threaded hole 102, an inner clamping plate 104 is fixedly connected to a side of the fastening bolt 103 located inside the outer casing 101, a fastening nut 106 is connected to a side of the fastening bolt 103 located outside the outer casing 101, and the fastening bolt 103 inside the clamping mechanism 10 is adjusted to enable the clamping mechanism 10 to fix anchor cables with different inner diameters.

In a preferred embodiment, four sets of clamping mechanisms 10 are provided, and are distributed in an annular array around the center of the outer casing 101, so that the device can fix the anchor cable more stably through the coordination of the four sets of clamping mechanisms 10.

In a preferred embodiment, the outer surface of the inner clamping plate 104 is coated with a wear-resistant coating 105, and the sealing ring 13 is fixedly connected between the outer shell 101 and the tensioning jack 9, so that the wear of the inner clamping plate 104 and the anchor cable is greatly reduced by utilizing the high wear resistance of the wear-resistant coating 105.

In a preferred embodiment, the fixing mechanism comprises grooves 6 formed in two sides of the inner wall of the fixing groove 5, a return spring 7 is fixedly connected to the inner wall of each groove 6, a limiting plate 8 is fixedly connected to the other end of each return spring 7, and the fixing mechanism is used for fixedly mounting the tensioning jack 9, so that the working strength of the operator for mounting and dismounting the tensioning jack 9 is greatly reduced.

In a preferred embodiment, the bottom four corners of the bottom plate 1 are fixedly connected with universal wheels 2, one side of the bottom plate 1 is fixedly connected with a push rod 15, the outer surface sleeve of the push rod 15 is provided with an anti-skidding sleeve, the universal wheels 2 are utilized to enable the device to be more conveniently moved to different work places, and the anti-skidding sleeve is utilized to effectively reduce the probability of hand skidding of an operator in the process of pushing the push rod 15.

The working principle of the utility model is as follows: when the anchor cable tensioning jack is used, the anchor cable can be fixed inside the tensioning jack 9 through the clamping mechanism 10, when the anchor cable tensioning jack is fixed, an operator firstly unscrews the fastening bolt 103 and unscrews the fastening bolt 103 to the outside of the outer shell 101, then according to actual conditions, after the anchor cable to be tensioned can pass through the outer shell 101, the fastening bolt 103 stops screwing out, the anchor cable penetrates through the clamping mechanism 10 and the tensioning jack 9, then the fastening bolt 103 is pushed to the inside of the outer shell 101, the fastening nut 106 is screwed, so that the inner clamping plate 104 can tightly fix the anchor cable, after the fixation is completed, the operator starts an air pump inside the pneumatic assembly 3 through the controller 14, so that the tensioning pneumatic assembly 3 can push the jack 9 to tension the anchor cable, after the tensioning is completed, the air inlet direction is changed through the reversing valve 16, so that a piston inside the tensioning jack 9 retreats through the reverse motion, and then can accomplish the stretch-draw to the anchor rope, and when installing stretch-draw jack 9, can manual limiting plate 8 who promotes 5 inside both sides of fixed slot earlier, make it get into inside 6 recesses through compression reset spring 7, then put into fixed slot 5 inside and loosen the power that promotes limiting plate 8 with stretch-draw jack 9, make limiting plate 8 pop out from 6 insides of recess rapidly under reset spring 7's reverse resilience effort, thereby fix stretch-draw jack 9 fast, and then make this device can realize the installation and the dismantlement to stretch-draw jack 9 fast.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a mining wear and tear pneumatic anchor rope stretch-draw machines, includes bottom plate (1), its characterized in that: the pneumatic assembly of top one side fixedly connected with (3) of bottom plate (1), opposite side fixedly connected with fixed plate (4) at bottom plate (1) top, fixed slot (5) have been seted up at the top of fixed plate (4), fixed slot (5) are inside through fixed establishment fixedly connected with stretch jack (9), the equal fixedly connected with clamping mechanism (10) in both sides of stretch jack (9), the top both sides of stretch jack (9) are the first air inlet of fixedly connected with (11) and second air inlet (12) respectively, pneumatic assembly (3) are through high-pressure pipeline fixedly connected with switching-over valve (16), the other end of switching-over valve (16) pass through high-pressure pipeline respectively with first air inlet (11) and second air inlet (12) fixed connection.

2. The mining wear-resistant pneumatic anchor cable tensioning tool as claimed in claim 1, wherein: the clamping mechanism (10) comprises an outer shell (101), a threaded hole (102) is formed in the outer surface of the outer shell (101), a fastening bolt (103) is connected to the inner thread of the threaded hole (102), the fastening bolt (103) is located on an inner side of the outer shell (101) and fixedly connected with an inner clamping plate (104), and a fastening nut (106) is connected to the side, located outside the outer shell (101), of the fastening bolt (103) in a threaded manner.

3. The mining wear-resistant pneumatic anchor cable tensioning tool as claimed in claim 2, wherein: the clamping mechanisms (10) are all provided with four groups, and the four groups are distributed in an annular array mode relative to the circle center of the outer shell (101).

4. The mining wear-resistant pneumatic anchor cable tensioning tool as claimed in claim 2, wherein: the outer surface of the inner clamping plate (104) is coated with a wear-resistant coating (105), and a sealing ring (13) is fixedly connected between the outer shell (101) and the tensioning jack (9).

5. The mining wear-resistant pneumatic anchor cable tensioning tool as claimed in claim 1, wherein: the fixing mechanism comprises grooves (6) formed in two sides of the inner wall of the fixing groove (5), a reset spring (7) is fixedly connected to the inner wall of each groove (6), and a limiting plate (8) is fixedly connected to the other end of each reset spring (7).

6. The mining wear-resistant pneumatic anchor cable tensioning tool as claimed in claim 1, wherein: the anti-skidding bottom plate is characterized in that universal wheels (2) are fixedly connected to four corners of the bottom plate (1), a push rod (15) is fixedly connected to one side of the bottom plate (1), and an anti-skidding sleeve is sleeved on the outer surface of the push rod (15).