CN219359335U - Quick replacement coal-winning machine towrope clamp device - Google Patents

Abstract

The utility model discloses a quick-change coal mining machine towing clamp device, wherein a sliding groove is formed in one surface of a limiting rod, which is opposite to the limiting rod, sliding blocks are sleeved in an inner cavity of the sliding groove in a sliding manner, connecting components are fixedly connected to the surfaces of a sleeve head and the sliding blocks, a tensioning mechanism is arranged between the sliding blocks and comprises a sleeve pipe and a telescopic rod which are respectively and fixedly connected to the surfaces of the connecting components, the telescopic rod is sleeved in an inner cavity of the sleeve pipe in a sliding manner, and a spring is fixedly connected between the telescopic rod and the sleeve pipe. This quick replacement coal-winning machine tows cable clamp device has solved because the grapple can rotate at fixing bolt, consequently its grapple can fall downwards perpendicularly under the free fall, leads to need with about two grapples insert the spacing hole of towing cable clamp one by one when carrying out new and old towcable clamp connection, just can rotate through the main bolt and drive the grapple and snatch, makes its change in-process inconvenient inadequately, can't accomplish spacing hole male problem fast.

Description

Quick replacement coal-winning machine towrope clamp device

Technical Field

The utility model relates to the technical field of towing cable clamping of coal mining machines, in particular to a device for quickly replacing towing cable clamps of coal mining machines.

Background

In the process of installing a fully mechanized coal mining face, in order to prevent a coal-winning cable from being damaged, a coal-winning cable towing clamp is required to be installed, if the damaged towing clamp needs to be replaced, the traditional replacing method is to take down the damaged towing clamp, replace the damaged towing clamp with a new towing clamp, then hook two double-hook reflective belts on the new towing clamp and the original towing clamp respectively to be fixed firmly, then pull the cable tightly by workers, and insert bolts for fixing after the limiting holes of the new towing clamp and the old towing clamp are aligned.

Therefore, the patent application number CN202220338586.2, in particular to a replacing tool for a towing rope clamp of a coal mining machine, which comprises a main bolt, wherein a fixed square pipe a and a fixed square pipe b which are arranged in parallel are fixedly connected at the position, close to the middle part, of the main bolt, through holes are formed at two ends of the fixed square pipe a and the fixed square pipe b, and a fixed bolt is arranged between the opposite through holes; the pair of fixing bolts a are respectively penetrated with a grapple, the grapple is positioned between the fixing square tube a and the fixing square tube b, the cross section of the grapple is L-shaped, and the inner sides of the grapples are opposite; the main bolt penetrates through the hollow thread sleeve head close to the end a of the fixed square tube, two sides of the hollow thread sleeve head are fixedly connected with a limiting square tube a and a limiting square tube b which are arranged in parallel, through holes are formed in two ends of the limiting square tube a and the limiting square tube b, and a limiting bolt is arranged between the opposite through holes; the other end of the main bolt is fixedly connected with a handle. The utility model has simple operation, can quickly align the limiting holes of the cable clamps, finish the replacement of new and old cable clamps, reduce labor force and improve the mechanization level.

However, when the new and old towing rope clamps are connected through the hooks, the hooks can rotate under the fixing bolts, so that the hooks can vertically fall downwards under the free falling body, and the two left and right hooks need to be inserted into the limiting holes of the towing rope clamps one by one when the new and old towing rope clamps are connected, so that the hooks can be driven to be grabbed through the rotation of the main bolts, the replacement process is not convenient enough, and the insertion of the limiting holes cannot be completed quickly.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a quick replacement towing rope clamp device for a coal mining machine, which solves the problems that when a grapple is connected with a new towing rope clamp and an old towing rope clamp, as the grapple can rotate under a free falling body, the grapple can vertically fall down, so that when the new towing rope clamp and the old towing rope clamp are connected, the left and the right grapple are required to be inserted into limiting holes of the towing rope clamp one by one, and the grapple can be driven to be grabbed by rotating a main bolt, so that the replacement process is not convenient enough, and the insertion of the limiting holes can not be quickly completed.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: quick replacement coal-winning machine tows cable clamp device, including first steel pipe and second steel pipe, fixedly connected with pullover between the first steel pipe, and pullover surface rotation has cup jointed the screw pole, fixedly connected with hollow screw thread pullover between the second steel pipe, second steel pipe and first steel pipe both ends are provided with second screw and first screw, and the surface rotation of second screw cup joints the gag lever post, the relative one side of gag lever post is provided with the skid resistant course, the spout has been seted up to the relative one side of gag lever post, the inner chamber of spout has slidingly cup jointed the slider, and the equal fixedly connected with coupling assembling of surface of pullover and slider, be provided with straining device between the slider.

The tensioning mechanism comprises a sleeve and a telescopic rod which are respectively and fixedly connected to the surface of the connecting assembly, the telescopic rod is sleeved in an inner cavity of the sleeve in a sliding mode, a spring is preferably fixedly connected between the telescopic rod and the sleeve, the limiting rod is L-shaped, and the top of the screw rod is fixedly connected with a rotary handle.

Preferably, the hollow thread sleeve head thread is sleeved on the surface of the screw rod.

Preferably, one end of the limiting rod is located in the inner cavity between the first steel pipes.

Preferably, the limiting rod is matched with the inner cavity between the second steel pipe and the first steel pipe.

Preferably, the second screw and the first screw are fixedly installed through a nut.

Advantageous effects

The utility model provides a quick replacement coal cutter towing cable clamp device. Compared with the prior art, the method has the following beneficial effects:

1. this quick replacement coal-winning machine tows cable clamp device drives the second steel pipe through screw pole 7 and moves down, can make the gag lever post also descend in the removal in-process, but can promote the gag lever post automatically and rotate the opening at the second screw under coupling assembling swing joint's straining device, the slider also can slide at the inner chamber of spout when the open-ended, make two gag lever post open-ended angles all be the same size, and gag lever post surface support on first screw surface, when gag lever post open-ended angle time gag lever post just is located the spacing hole on towing cable clamp, directly insert the gag lever post, make two gag lever posts handle tensioning state through straining device, can drive two gag lever posts automatically and open, the direct insertion can to corresponding spacing hole, need not artifical manual with the gag lever post insert the spacing hole, thereby make new and old towrope change conveniently, can accomplish the insertion of spacing hole fast.

2. According to the quick replacement coal mining machine towing cable clamp device, friction force can be increased between the anti-slip layer on the surface of the limiting rod and new and old towing cable clamps, so that an anti-slip effect is achieved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a partial schematic view of the structure of the present utility model;

FIG. 3 is an enlarged view of part of the structure of the present utility model at A in FIG. 2;

FIG. 4 is an enlarged view of part of the structure of the present utility model at B in FIG. 1;

fig. 5 is a schematic structural view of the tensioning mechanism of the present utility model.

In the figure: 1. a first steel pipe; 2. a first screw; 3. a sleeve head; 4. an anti-slip layer; 5. a second steel pipe; 6. rotating the handle; 7. a screw rod; 8. a limit rod; 81. a chute; 82. a slide block; 83. a connection assembly; 9. a second screw; 10. a hollow thread sleeve head; 11. a tensioning mechanism; 111. a sleeve; 112. a spring; 113. a telescopic rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: quick replacement coal-winning machine towrope clamp device, including first steel pipe 1 and second steel pipe 5, fixedly connected with pullover 3 between the first steel pipe 1, and the surface rotation of pullover 3 has cup jointed screw pole 7, and screw pole 7's top fixedly connected with rotatory handle 6, fixedly connected with hollow screw thread pullover 10 between the second steel pipe 5, hollow screw thread pullover 10 screw thread cup joints on screw pole 7's surface, and screw pole 7 every round pitch is spacing pole 8 distance promptly, second steel pipe 5 and first steel pipe 1 both ends are provided with second screw 9 and first screw 2, second screw 9 and first screw 2 pass through nut fixed mounting, set up the hole site at first steel pipe 1 and second steel pipe 5 both ends, wear out first screw 2 and second screw 9 through the hole site, then screw up both ends through the nut, and the surface rotation of second screw 9 has cup jointed spacing pole 8, spacing pole 8 relative one side is provided with new and old cable connection through spacing pole 8, rotatory screw pole 7 makes second steel pipe 5 lift, thereby drive spacing pole 8 and press from both sides new and old instrument, can accomplish the change in quick replacement, can accomplish the cable clamp, can be replaced easily, all the quick replacement cable clamp is convenient, the quick replacement is accomplished, can be used to the cable clamp is easy to the replacement, the cable clamp is easy to use, and the replacement is easy to use.

Referring to fig. 4-5, a sliding slot 81 is provided on the opposite side of the limiting rod 8, a sliding block 82 is sleeved in the inner cavity of the sliding slot 81 in a sliding manner, the surfaces of the sleeve head 3 and the sliding block 82 are fixedly connected with a connecting component 83, a tensioning mechanism 11 is provided between the sliding blocks 82, wherein the sliding block 82 slides in the inner cavity of the sliding slot 81 and is movably connected with the tensioning mechanism 11 through the connecting component 83, and when the limiting rod 8 is opened, the tensioning mechanism 11 correspondingly rotates and stretches.

The tensioning mechanism 11 comprises a sleeve 111 and a telescopic rod 113 which are respectively and fixedly connected to the surface of the connecting assembly 83, the telescopic rod 113 is sleeved in the inner cavity of the sleeve 111 in a sliding mode, and a spring 112 is fixedly connected between the telescopic rod 113 and the sleeve 111.

Further, the limiting rod 8 is L-shaped and is formed in a claw shape for connecting the new and old towing clips so that the new and old towing clips are assembled with each other.

Further, one end of the limiting rod 8 is located in the inner cavity between the first steel pipes 1, the limiting rod 8 is matched with the inner cavity between the second steel pipes 5 and the first steel pipes 1, the limiting rod 8 is clamped between the first steel pipes 1, and the limiting rod 8 cannot rotate in a following mode when the screw rod 7 rotates to drive the second steel pipes 5 to ascend and descend.

A design method;

materials: the screw rod 7 of M20 of 60cm, the phi 30 steel pipe of 30cm form rotatory handle 6, two 30cm, two 50cm first steel pipes 1 and second steel pipes 5,4 first screw 2 of M10 of 6cm and second screw 9,8 square gag lever post 8 of processing into "L" and two, the hollow thread pullover 10 of an M20 and pullover 3 of an M20, and slider 82, coupling assembling 83 and straining device 11 constitute.

The first screw 2 and the second screw 9 respectively penetrate through the first steel pipe 1 and the second steel pipe 5 which are fixed by 30cm and 50cm, the first screw 2 and the second screw 9 are fixed by nuts, meanwhile, the limiting rod 8 is sleeved on the surface of the second screw 9 in a rotating way, the lower end of the L-shaped limiting rod 8 is positioned in an inner cavity between the first steel pipes 1 and used as a claw-shaped movable rod, the hollow thread sleeve head 10 of the M20 is welded and fixed at the middle part of the second steel pipe 5 of 30cm, and the hollow thread sleeve head 10 of the M20 is welded and fixed at the middle part of the first steel pipe 1 of 50 cm. One end of a thick screw of M20 is welded with DN30 as a rotary handle 6, a screw rod 7 is taken as a central shaft column, penetrates through a hollow thread sleeve head 10 and is rotationally sleeved with the sleeve head 3, then a sliding groove 81 is formed in the surface of a limit rod 8, a sliding block 82 is sleeved in a sliding manner, and finally a tensioning mechanism 11 is installed through a connecting component 83.

The using method comprises the following steps: the rotating handle 6 is rotated at first, make rotatory handle 6 drive screw pole 7 rotate on the surface of pullover 3, because of gag lever post 8 is located first steel pipe 1 inner chamber and carries out the spacing, make screw pole 7 drive second steel pipe 5 move down, can make gag lever post 8 also descend in the removal process, but can promote gag lever post 8 automatically under coupling assembling 83 swing joint's tensioning mechanism 11 and rotate and open at second screw 9, slider 82 also can slide in the inner chamber of spout 81 when opening, make two gag lever post 8 open-ended angles all be the same size, and gag lever post 8 surface butt on first screw 2 surface, when gag lever post 8 open-ended angle just is located the spacing hole on the towing rope clamp, directly with gag lever post 8 insert can, then reverse screw pole 7 again, make screw pole 7 drive second steel pipe 5 upwards, and drive two gag lever posts 8 and also upwards move, the face that gag lever post 8 inclines can extrude at first screw 2 surface, therefore can make the one end of gag lever post 8 centre gripping inwards move, thereby the slider 8 can not be broken, can reduce the distance at the time of the pull-down cable clamp 8, the end is opened at the time of the slider is opened, can be reduced at the time of the slider 8, can be reduced at the end 8, the distance is reduced at the end of the time of the pull-down device is convenient for 8, the end is reached at the end of the pull-down cable clamp, can be reduced, and can be reached at the end 8, the end is more convenient, and can be reduced, the distance is 8, can be reached at the end 8, and can be moved.

The working principle of the tensioning mechanism 11 is that the spring 112 drives the telescopic rod 113 to extend out of the inner cavity of the sleeve 111, so that the limiting rod 8 is pushed to rotate and open at the second screw 9, and when the screw rod 7 drives the second steel pipe 5 to move upwards, the limiting rod 8 is driven to move upwards, the surface of the limiting rod is extruded to the first screw 2, and accordingly inward extrusion force is caused, and the spring 112, the sleeve 111 and the telescopic rod 113 are retracted mutually.

And all that is not described in detail in this specification is well known to those skilled in the art.

Claims (6)

1. Quick replacement coal-winning machine tows cable clamp device, including first steel pipe (1) and second steel pipe (5), fixedly connected with pullover (3) between first steel pipe (1), and the surface rotation of pullover (3) has cup jointed screw pole (7), fixedly connected with hollow screw thread pullover (10) between second steel pipe (5), second steel pipe (5) and first steel pipe (1) both ends are provided with second screw (9) and first screw (2), and the surface rotation of second screw (9) cup joints gag lever post (8), its characterized in that: the anti-slip device is characterized in that an anti-slip layer (4) is arranged on the opposite side of the limiting rod (8), a sliding groove (81) is formed in the opposite side of the limiting rod (8), a sliding block (82) is sleeved in an inner cavity of the sliding groove (81) in a sliding mode, connecting components (83) are fixedly connected to the surfaces of the sleeve head (3) and the sliding block (82), and a tensioning mechanism (11) is arranged between the sliding blocks (82);

the tensioning mechanism (11) comprises a sleeve (111) and a telescopic rod (113) which are respectively and fixedly connected to the surface of the connecting assembly (83), the telescopic rod (113) is sleeved in an inner cavity of the sleeve (111) in a sliding mode, and a spring (112) is fixedly connected between the telescopic rod (113) and the sleeve (111).

2. The quick change shearer streamer clamping device of claim 1, wherein: the limiting rod (8) is L-shaped, and the top of the screw rod (7) is fixedly connected with a rotary handle (6).

3. The quick change shearer streamer clamping device of claim 1, wherein: the hollow thread sleeve head (10) is in threaded sleeve connection with the surface of the screw rod (7).

4. The quick change shearer streamer clamp device of claim 2, wherein: one end of the limiting rod (8) is positioned in the inner cavity between the first steel pipes (1).

5. The quick change shearer streamer clamp device of claim 4, wherein: the limiting rod (8) is matched with the inner cavity between the second steel pipe (5) and the first steel pipe (1).

6. The quick change shearer streamer clamping device of claim 1, wherein: the second screw (9) and the first screw (2) are fixedly arranged through nuts.