Underground coal mine onboard forepoling device

Abstract

The utility model relates to the technical field of coal mine excavation equipment, in particular to an underground coal mine onboard advanced support device, and aims to solve the problems that when the side wall of an underground coal mine roadway is supported at present, as the two sides of the mine roadway are difficult to block and protect by an existing support structure, the protection effect on the side is poor, and the supporting effect is poor. And finally, falling rocks on two sides of the roadway are easy to slip off and damage equipment. According to the device, a second supporting frame is installed on a first supporting frame in a sliding mode, supporting seats are installed on the two sides of the supporting frame, side baffles are installed on the supporting seats located on the same side, and the side edges of a coal mine are effectively blocked and protected by arranging inclined protection plates on the side portions of the supporting frames; and then the multi-stage hydraulic rod drives the U-shaped push rod to extrude the inclined protection plate, so that the inclined protection plate is overturned to adjust the angle so as to adjust according to the angle of the side edge of the coal mine, and the extension plate can slide along with the support frame to block the gap when the support frame is controlled to extend and retract to adjust the support length, so that the adaptation is ensured according to the length change of the support frame.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine mining equipment technical field, concretely relates to a coal mine underground machine borne type forepoling device. BACKGROUND

[0002] The coal mine underground machine borne type forepoling device is a kind of safety supporting equipment widely used in coal mine driving roadway, it is a kind of active supporting system installed on driving machine, can quickly provide support with the propulsion of driving machine, effectively prevent the deformation, movement and damage of roadway surrounding rock due to the advanced support pressure and other direction support pressure of coal mining face.The patent "cantilever type driving machine machine borne forepoling device", patent number:CN221799840U, discloses a cantilever type driving machine machine borne forepoling device, including rectangular plate, the bottom left and right sides of rectangular plate are fixedly installed with mounting seat, the front end of rectangular plate is movably installed with first extension mechanism, the left side of rectangular plate is movably installed with second extension mechanism, the right side of rectangular plate is movably installed with third extension mechanism, the inside rear end position of rectangular plate is provided with first storage chamber, the inside middle end position of rectangular plate is provided with second storage chamber, the inside front end both sides of rectangular plate are provided with third storage chamber, by installing rectangular plate, first extension mechanism, second extension mechanism, second contraction frame, third extension mechanism and fourth contraction frame etc., it has stronger supporting capacity, expands the support area of forepoling device, avoids the problem that the front end of device appears gap after assembly expansion, the patent can realize the support support above mine tunnel, but the supporting device lacks the fender measure of two sides of mine, and the protection effect of side is poor, when the rockfall of two sides falls, it is extremely easy to fall on equipment, causes the problem of mining equipment damage, therefore, the structure of coal mine underground machine borne type forepoling device needs to be further optimized, to ensure the safety and production efficiency of coal mining. UTILITARIAN CONTENT

[0003] The utility model provides a coal mine underground machine borne type forepoling device to solve the problems in the above background.

[0004] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0005] A coal mine underground machine borne type forepoling device, including first support frame and second support frame, second support frame is slidably arranged on first support frame, and support seat is arranged on the both sides of first support frame and second support frame, side fender is arranged on the two support seats on the same side, limit clamping plate is movably arranged in the inside of side fender, telescopic structure is arranged on side fender, and locking structure is arranged on limit clamping plate.

[0006] Further, the side stop comprises a first inclined guard plate and a second inclined guard plate, the first inclined guard plate and the second inclined guard plate are respectively rotationally arranged in the interiors of the two support seats, the bottom sides of the first support frame and the second support frame are respectively provided with mounting plates, the bottom sides of the mounting plates are respectively provided with multi-stage hydraulic rods, the output ends of the multi-stage hydraulic rods are respectively provided with U-shaped push rods, and the U-shaped push rods are respectively located on one side of the first inclined guard plate and the second inclined guard plate.

[0007] Further, the interiors of the first inclined guard plate and the second inclined guard plate are respectively slidably provided with limiting shafts, the limiting shafts are located on the same axis as the first inclined guard plate and the second inclined guard plate, the interiors of the support seats are respectively provided with arc-shaped sliding holes and limiting holes, the arc-shaped sliding holes and the limiting holes located on the same side are in communication, the limiting shafts are respectively movably arranged in the arc-shaped sliding holes, and the limiting shafts are all matched with the limiting holes.

[0008] Further, the telescopic structure comprises a sliding groove, the sliding groove is arranged in the interior of the second inclined guard plate, and an extension plate is slidably arranged in the sliding groove and located on one side of the first inclined guard plate.

[0009] Further, the locking structure comprises a plurality of positioning grooves, the positioning grooves are all arranged in the interior of the limiting clamping plate, the positioning grooves are respectively matched with the U-shaped push rods, the side portions of the limiting clamping plate are respectively provided with U-shaped linkage rods, the U-shaped linkage rods are all slidably arranged in the interior of the first inclined guard plate, and the limiting shafts are respectively arranged on the side portions of the U-shaped linkage rods.

[0010] Further, a plurality of guide rods are slidably arranged in the interiors of the U-shaped linkage rods, and the corresponding guide rods are arranged on the inner walls of the first inclined guard plate and the second inclined guard plate.

[0011] Further, springs are slidably arranged on the guide rods, one ends of the springs are arranged on the inner walls of the first inclined guard plate and the second inclined guard plate, and the other ends of the springs are arranged on the side portions of the U-shaped linkage rods.

[0012] The utility model has the advantages of the following:

[0013] The utility model discloses a first inclined guard plate and a second inclined guard plate are arranged on the two sides of the first support frame and the second support frame, can realize the blocking of the side of coal mine, block the falling rock falling from the side, and through the opening multi-stage hydraulic rod drive U-shaped push rod extrusion first inclined guard plate and second inclined guard plate, make it overturn the angle of adjustment, so that according to the angle of the side of coal mine adjustment is carried out, and when the first support frame and the second support frame telescopic adjustment is controlled, the extension plate can slide along with it, and the extension plate is blocked in the gap, so that it can be adapted according to the length change of the first support frame and the second support frame.

[0014] The utility model discloses a first inclined guard plate and a second inclined guard plate can be turned over ninety degrees under the continuous movement of the U-shaped push rod, and the limiting shaft is slid into the limiting hole, the angle of the U-shaped push rod is limited, and the U-shaped push rod keeps parallel with the first support frame and the second support frame, can provide support for the upper part of the coal mine, and further effectively increase the support range of the upper part of the coal mine, so as to adjust the U-shaped push rod according to the environment in the coal mine and carry out side blocking or top support. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model.

[0016] Figure 2 It is the support seat structure schematic diagram of the utility model.

[0017] Figure 3 It is the extension plate sectional structure schematic diagram of the utility model.

[0018] Figure 4 It is the U-shaped linkage rod sectional structure schematic diagram of the utility model.

[0019] Figure 5 It is the inclined guard plate turning structure schematic diagram of the utility model.

[0020] The meaning of the reference signs is as follows:

[0021] 100, first support frame;101, second support frame;200, support seat;201, first inclined guard plate;202, second inclined guard plate;203, mounting plate;204, multistage hydraulic rod;205, U-shaped push rod;206, sliding groove;207, extension plate;208, limiting shaft;209, arc sliding hole;210, limiting hole;300, limiting clamping plate;301, positioning groove;302, U-shaped linkage rod;303, guide rod;304, spring. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings and specific embodiments.

[0023] As Figures 1-5 Indicated, a kind of coal mine underground airborne advance support device, including first support frame 100 and second support frame 101, second support frame 101 is slid on first support frame 100, and the both sides of first support frame 100 and second support frame 101 are provided with support seat 200, side stop is equipped on the two support seats 200 of same side, limiting clamping plate 300 is movably arranged in side stop, telescopic structure is provided on side stop, and locking structure is equipped on limiting clamping plate 300.

[0024] The side stop includes a first inclined guard plate 201 and a second inclined guard plate 202, the first inclined guard plate 201 and the second inclined guard plate 202 are respectively rotationally arranged in the interiors of two support seats 200, the bottom sides of the first support frame 100 and the second support frame 101 are each provided with a mounting plate 203, the bottom sides of the two mounting plates 203 are each provided with a multi-stage hydraulic rod 204, the output ends of the multi-stage hydraulic rods 204 are each provided with a U-shaped push rod 205, and the U-shaped push rods 205 are respectively located on one side of the first inclined guard plate 201 and the second inclined guard plate 202.

[0025] The interiors of the first inclined guard plate 201 and the second inclined guard plate 202 are each slidably provided with a limiting shaft 208, the limiting shaft 208 is located on the same axis as the first inclined guard plate 201 and the second inclined guard plate 202, the interiors of the support seats 200 are each provided with an arc-shaped sliding hole 209 and a limiting hole 210, the arc-shaped sliding holes 209 and the limiting holes 210 located on the same side are in communication, the limiting shaft 208 is movably arranged in the arc-shaped sliding hole 209, and the limiting shaft 208 is matched with the limiting hole 210.

[0026] The telescopic structure includes a sliding groove 206, the sliding groove 206 is arranged in the interior of the second inclined guard plate 202, and a extending plate 207 is slidably arranged in the sliding groove 206 and located on one side of the first inclined guard plate 201.

[0027] The locking structure includes a plurality of positioning grooves 301, the positioning grooves 301 are each arranged in the interior of a limiting clamping plate 300, the positioning grooves 301 are respectively matched with the U-shaped push rods 205, the side portions of the limiting clamping plates 300 are each provided with a U-shaped linkage rod 302, the U-shaped linkage rods 302 are each slidably arranged in the interior of the first inclined guard plate 201, and the limiting shafts 208 are respectively arranged on the side portions of the U-shaped linkage rods 302.

[0028] A plurality of guide rods 303 are slidably arranged in the interiors of the U-shaped linkage rods 302, and corresponding guide rods 303 are arranged on the inner walls of the first inclined guard plate 201 and the second inclined guard plate 202.

[0029] A spring 304 is slidably arranged on each guide rod 303, one end of the spring 304 is arranged on the inner wall of the first inclined guard plate 201 or the second inclined guard plate 202, and the other end of the spring 304 is arranged on the side portion of the U-shaped linkage rod 302.

[0030] The side stop can be used to support and protect both sides of a mine, the telescopic structure is arranged on the side stop structure, the gap between the two side stop structures can be blocked by arranging the telescopic structure, the telescopic structure can adapt to the telescoping of the first support frame 100 and the second support frame 101, and the locking structure is used to prevent the side stop from loosening after being transversely arranged, thereby improving the stability of the side stop.

[0031] The opening of the multi-stage hydraulic rod 204 can make its output end push the U-shaped push rod 205 to move. When the U-shaped push rod 205 moves, it will extrude the first inclined guard plate 201 and the second inclined guard plate 202, so that it is turned over on the corresponding support seat 200, thereby being able to adjust the angle of the first support frame 100 and the second support frame 101, so as to block and protect the side of the coal mine. The first inclined guard plate 201 and the second inclined guard plate 202 can drive the corresponding limiting shaft 208 to move in the arc-shaped sliding hole 209 at the same time.

[0032] When the first support frame 100 and the second support frame 101 are controlled to stretch and retract to adjust the support length, the corresponding support seat 200 will be moved, so that the support seat 200 drives the first inclined guard plate 201 and the second inclined guard plate 202 to move. The first inclined guard plate 201 and the second inclined guard plate 202 can make the extension plate 207 slide in the sliding groove 206 when moving. The extension plate 207 is used to block the gap between the first inclined guard plate 201 and the second inclined guard plate 202, so that it can be adapted according to the length change of the first support frame 100 and the second support frame 101.

[0033] The continuously moving U-shaped push rod 205 will push the limiting clamping plate 300 to move, and the limiting clamping plate 300 will drive the U-shaped linkage rod 302 to slide. The continuously moving U-shaped linkage rod 302 will drive the limiting shaft 208 to slide into the limiting hole 210, so as to lock the angle of the first inclined guard plate 201 or the second inclined guard plate 202.

[0034] The utility model discloses in the specific application, open multistage hydraulic rod 204 can make its output end push -pull U -shaped push rod 205 removes, and U -shaped push rod 205 removes and will extrude first inclined baffle 201 or second inclined baffle 202, make it overturn on corresponding support base 200, and further can adjust the angle of first inclined baffle 201 or second inclined baffle 202, make its side of coal mine carry out fender protection, when controlling first support frame 100 and second support frame 101 telescopic adjustment its support length will drive corresponding support base 200 remove, make support base 200 drive first inclined baffle 201 or second inclined baffle 202 remove, and first inclined baffle 201 or second inclined baffle 202 can make extension plate 207 slide in sliding slot 206 when moving, utilize the clearance between first inclined baffle 201 and second inclined baffle 202 of extension plate 207 fender, make it can adapt according to the length change of first support frame 100 and second support frame 101, and first inclined baffle 201 or second inclined baffle 202 will drive corresponding limit shaft 208 in arc slide hole 209 activity while overturning, and under the continuous push of U -shaped push rod 205 can make first inclined baffle 201 or second inclined baffle 202 overturn ninety degrees, make it with first support frame 100 and second support frame 101 parallel, further promote the support range of the upper part of mine, and first inclined baffle 201 or second inclined baffle 202 ninety degrees overturn after, will drive the position of limit shaft 208 and limit hole 210 be in corresponding state, simultaneously will drive limit clamping plate 300 ninety degrees overturn, make positioning groove 301 and U -shaped push rod 205 be in corresponding state, when continuous moving U -shaped push rod 205 will move to positioning groove 301 in and push limit clamping plate 300 remove, and limit clamping plate 300 will drive U -shaped linkage rod 302 slide in the inside of first inclined baffle 201 or second inclined baffle 202, and U -shaped linkage rod 302 can slide on guide rod 303 and compress spring 304 when moving, through the setting of guide rod 303 can limit the moving direction of U -shaped linkage rod 302, simultaneously prevent spring 304 from bending when extruding, then continuous moving U -shaped linkage rod 302 will drive limit shaft 208 slide to limit hole 210 in, form Figure 5 The state, that is, can lock the angle of first inclined baffle 201 or second inclined baffle 202, make it can switch between side fender and top support function, when U -shaped push rod 205 removes reset will make it extrude limit clamping plate 300, at this time, compressed spring 304 will push U -shaped linkage rod 302 and limit clamping plate 300 remove reset, further make limit shaft 208 from limit hole 210 remove back to arc slide hole 209, then U -shaped push rod 205 will slowly extrude and support first inclined baffle 201 or second inclined baffle 202, at this time, first inclined baffle 201 or second inclined baffle 202 will naturally overturn reset downward.

Claims

1. An in-mine, on-board, advance support device, characterized by: The utility model provides a support frame, including first support frame (100) and second support frame (101), second support frame (101) is arranged on first support frame (100) and slides, and both sides of first support frame (100) and second support frame (101) are provided with support seat (200), and the support seat (200) of being located same side is equipped with side stop, and the inside movable of side stop is equipped with limiting batten (300), and the side stop is provided with telescopic structure, and the limiting batten (300) is equipped with locking structure.

2. The coal mine underground on-board type forepoling device according to claim 1, characterized in that: The side stop includes first inclined guard plate (201) and second inclined guard plate (202), and the first inclined guard plate (201) and the second inclined guard plate (202) are rotatably arranged in the interiors of the two support seats (200), the bottom sides of the first support frame (100) and the second support frame (101) are each provided with a mounting plate (203), the bottom side of the mounting plate (203) is provided with a multi-stage hydraulic rod (204), the output end of the multi-stage hydraulic rod (204) is provided with a U-shaped push rod (205), and the U-shaped push rod (205) is located on one side of the first inclined guard plate (201) and the second inclined guard plate (202) respectively.

3. The mine heading powered support system of claim 2 wherein: The interiors of the first inclined guard plate (201) and the second inclined guard plate (202) are each slidably provided with a limiting shaft (208), the limiting shaft (208) is located on the same axis as the first inclined guard plate (201) and the second inclined guard plate (202), the interior of the support seat (200) is provided with an arc-shaped sliding hole (209) and a limiting hole (210), the arc-shaped sliding hole (209) and the limiting hole (210) located on the same side are in communication, the limiting shaft (208) is movably arranged in the arc-shaped sliding hole (209), and the limiting shaft (208) is matched with the limiting hole (210).

4. The mine heading powered support system of claim 1 wherein: The telescopic structure includes a sliding groove (206) formed in the interior of the second inclined guard plate (202), and an extension plate (207) is slidably arranged in the sliding groove (206), and the extension plate (207) is arranged on one side of the first inclined guard plate (201).

5. The mine-by device according to claim 3, characterized in that: The locking structure includes a plurality of positioning grooves (301) formed in the interior of the limiting batten (300), the positioning grooves (301) are matched with the U-shaped push rods (205) respectively, the side portions of the limiting batten (300) are each provided with a U-shaped linkage rod (302), the U-shaped linkage rods (302) are slidably arranged in the interiors of the first inclined guard plate (201), and the limiting shafts (208) are arranged on the side portions of the U-shaped linkage rods (302).

6. A coal mine in-pit self-propelled forepoling device according to claim 5, characterised in that: The interiors of the U-shaped linkage rods (302) are each slidably provided with a plurality of guide rods (303), and the corresponding guide rods (303) are arranged on the inner walls of the first inclined guard plate (201) and the second inclined guard plate (202).

7. A coal mine in-pit self-propelled forepoling device according to claim 6, characterised in that: The guide rods (303) are each slidably sleeved with a spring (304), one end of the spring (304) is arranged on the inner wall of the first inclined guard plate (201) and the second inclined guard plate (202), and the other end of the spring (304) is arranged on the side portion of the U-shaped linkage rod (302).

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