Shock-resistant hydraulic support

Abstract

The utility model discloses a shock-resistant hydraulic support, and particularly relates to the technical field of coal mining, the shock-resistant hydraulic support comprises a base, a bottom plate is fixedly arranged on the inner side of the base, a first fixing block is fixedly arranged on the top of one side of the bottom plate, the section of one side of the first fixing block is round, and a supporting component is arranged on the inner side of the first fixing block. First reinforcing ribs are fixedly arranged on the two sides of the first fixing block and fixedly connected with the base and the bottom plate at the same time, an anti-impact component is arranged on one side of each first reinforcing rib, and a top plate component is arranged on the top of the anti-impact component and arranged on the top of the supporting component. According to the shock-resistant hydraulic support, the shock-resistant component is arranged, when the top plate is pressed, the pressure change is complex and has impact, and the shock-absorbing rod and the pressure-resistant spring can absorb and buffer the impact, so that the instant impact force borne by the hydraulic support is relieved, and support parts are prevented from being damaged due to sudden huge impact.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mining, more specifically, the utility model relates to an anti-impact hydraulic support. BACKGROUND

[0002] The hydraulic support is a structure for controlling the mine pressure of the coal mining face. The mine pressure of the coal mining face acts on the hydraulic support in the form of external load. In the mechanical system of the interaction between the hydraulic support and the surrounding rock of the coal mining face, if the resultant force of each supporting member of the hydraulic support and the external load acting on the hydraulic support by the roof are exactly in a straight line, the hydraulic support is very suitable for the surrounding rock of the coal mining face.

[0003] The existing hydraulic support cannot realize close adhesion with the roof of the coal mining face due to the poor adaptability of the roof when in use, which can cause uneven stress of the roof beam and local damage. In addition, the hydraulic support lacks a powerful anti-impact structure, which cannot protect the life safety of the coal miners in the face of unexpected situations. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an anti-impact hydraulic support to solve the problems in the above background.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: an anti-impact hydraulic support, comprising a base, a bottom plate is fixedly arranged on the inner side of the base, a first fixed block is fixedly arranged on the top of one side of the bottom plate, the cross section of one side of the first fixed block is circular, and a supporting member is arranged on the inner side of the first fixed block.

[0006] First reinforcing ribs are fixedly arranged on both sides of the first fixed block, and the first reinforcing ribs are fixedly connected with the base and the bottom plate, and an anti-impact member is arranged on one side of the first reinforcing rib.

[0007] The top of the anti-impact member is provided with a roof member, and the roof member is arranged on the top of the supporting member.

[0008] As a further description of the above-mentioned technical scheme:

[0009] The supporting member comprises a double-acting hydraulic cylinder, and the output end at the bottom of the double-acting hydraulic cylinder is fixedly connected with the first fixed block.

[0010] The output end at the top of the double-acting hydraulic cylinder is fixedly provided with a supporting plate.

[0011] As a further description of the above-mentioned technical scheme:

[0012] The anti-impact component includes two fixed plates, both of which are fixedly connected with the bottom plate and arranged on both sides of the first reinforcing rib, and both of which are fixedly provided with a second fixed block on the top, and a first damping rod is fixedly arranged on the top of the second fixed block.

[0013] As a further description of the above technical solution:

[0014] The first damping rod is fixedly sleeved with a first compression spring on the outside, and a first connecting block is fixedly arranged on the top of the first damping rod, and a first connecting plate is fixedly arranged between the two first connecting blocks, and a mounting plate is fixedly arranged on one side of the first reinforcing rib, and the cross section of one side of the mounting plate is arranged in a right trapezoidal shape.

[0015] As a further description of the above technical solution:

[0016] The top of the mounting plate is fixedly provided with a second reinforcing rib, which is fixedly connected with the two second fixed plates, and a second connecting block is fixedly arranged on one side of the inclined surface of the mounting plate, and a third fixed block is fixedly arranged on one side of the second connecting block, and a second damping rod is fixedly arranged at one end of the third fixed block, and a second compression spring is fixedly sleeved on the outside of the second damping rod.

[0017] As a further description of the above technical solution:

[0018] The top plate component includes a top beam plate, which is fixedly connected with a support plate, and two hydraulic push cylinders are arranged on the bottom of the top beam plate, and the two hydraulic push cylinders are fixedly arranged on the inner side of the support plate, and a connecting push plate is fixedly arranged on the output end of the hydraulic push cylinder, and the connecting push plate is slidably connected with the bottom of the top beam plate, and two connecting rods are fixedly arranged on one side of the connecting push plate.

[0019] As a further description of the above technical solution:

[0020] A first auxiliary plate is slidably arranged on the inner side of the top beam plate, a baffle is rotatably arranged on one side of the first auxiliary plate, and the bottom of the baffle is rotatably connected with the two connecting rods, a first rubber plate is fixedly arranged on the top of the top beam plate, a second connecting plate is fixedly arranged on one side of the top beam plate, and the second connecting plate is fixedly connected with the first connecting block and the first connecting plate, and a second baffle is rotatably arranged on one side of the second connecting plate.

[0021] As a further description of the above technical solution:

[0022] A horizontal plate is fixedly arranged on the top of the second connecting plate, a third damping rod is fixedly arranged on the top of the horizontal plate, a third compression spring is fixedly sleeved on the outside of the third damping rod, a second auxiliary plate is fixedly arranged on the top of the third damping rod, and the second auxiliary plate is rotatably connected with the top beam plate, and a second rubber plate is fixedly arranged on the top of the second auxiliary plate.

[0023] The technical effects and advantages of the utility model are as follows:

[0024] 1. By setting up support component, compared with prior art, support component utilizes double-acting hydraulic cylinder to provide strong support force to bear the pressure of roof rock, injects high-pressure liquid into hydraulic cylinder through hydraulic system, makes hydraulic rod extend, pushes roof beam plate to tightly contact with roof, effectively prevents roof from sinking and collapsing, guarantees safety of underground operation space.

[0025] 2. By setting up anti-impact component, compared with prior art, when roof comes under pressure, pressure change is complex and has impact, shock absorbing rod and compression spring can absorb and buffer the impact, makes instantaneous impact force received by hydraulic support relieved, prevents support components from being damaged due to sudden great impact.

[0026] 3. By setting up roof component, compared with prior art, sets up auxiliary plate to increase contact area with roof, helps to prevent roof from being partially crushed or excessively deformed, especially for the case that roof rock has poor integrity and low strength, can make roof force more uniform, reduces the risk of roof crushing or even collapsing due to excessive local pressure, at the same time, large contact area increases friction between hydraulic support and roof, thereby improves stability of the whole support system. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is overall structure schematic view of the utility model.

[0028] Figure 2 It is support component and anti-impact component structure schematic view of the utility model.

[0029] Figure 3 It is anti-impact component structure schematic view of the utility model.

[0030] Figure 4 It is roof component structure schematic view of the utility model.

[0031] Figure 5 It is roof component local structure schematic view of the utility model.

[0032] The accompanying drawings are marked as follows: 1. base; 2. bottom plate; 3. first fixing block; 4. supporting member; 401. double-acting hydraulic cylinder; 402. supporting plate; 5. first reinforcing rib; 6. anti-impact member; 601. fixing plate; 602. second fixing block; 603. first shock-absorbing rod; 604. first anti-compression spring; 605. first connecting block; 606. first connecting plate; 607. mounting plate; 608. second reinforcing rib; 609. second connecting block; 6010. third fixing block ; 6011, second shock-absorbing rod; 6012, second anti-compression spring; 7, top plate component; 701, top beam plate; 702, hydraulic push cylinder; 703, connecting push plate; 704, connecting rod; 705, first sub-plate; 706, first baffle; 707, first rubber plate; 708, second connecting plate; 709, second baffle; 7010, cross plate; 7011, third shock-absorbing rod; 7012, third anti-compression spring; 7013, second sub-plate; 7014, second rubber plate. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] As attached Figures 1-5 The impact-resistant hydraulic support shown includes a base 1, a bottom plate 2 is fixedly provided on the inner side of the base 1, a first fixing block 3 is fixedly provided on the top of one side of the bottom plate 2, a cross-section of one side of the first fixing block 3 is set to be circular, and a support member 4 is provided on the inner side of the first fixing block 3;

[0035] First reinforcing ribs 5 are fixedly provided on both sides of the first fixing block 3 to enhance the structural strength and stability of the first fixing block 3 and the fixing plate 601. The first reinforcing ribs 5 are also fixedly connected to the base 1 and the bottom plate 2. An anti-impact member 6 is provided on one side of the first reinforcing rib 5.

[0036] A top plate member 7 is provided on the top of the anti-impact member 6 , and the top plate member 7 is provided on the top of the supporting member 4 .

[0037] In some embodiments, according to Figure 2 As shown, the support member 4 includes a double-acting hydraulic cylinder 401, which provides a strong supporting force to withstand the pressure of the roof rock. The output end of the double-acting hydraulic cylinder 401 at the bottom is fixedly connected to the first fixing block 3;

[0038] The output end at the top of the double-acting hydraulic cylinder 401 is fixedly provided with a support plate 402, which increases the pressure range that the double-acting hydraulic cylinder 401 can bear.

[0039] In some embodiments, according to Figure 2 As shown, the impact-resistant component 6 includes two fixed plates 601, both of which are fixedly connected with the bottom plate 2 and are arranged on both sides of the first reinforcing rib 5, respectively. The top of each fixed plate 601 is fixedly provided with a second fixed block 602, and the top of each second fixed block 602 is fixedly provided with a first damping rod 603.

[0040] In some embodiments, according to Figure 3 As shown, the outer side of the first damping rod 603 is fixedly sleeved with a first compression spring 604, the top of the first damping rod 603 is fixedly provided with a first connecting block 605, and the first connecting plate 606 is fixedly arranged between the two first connecting blocks 605. One side of the first reinforcing rib 5 is fixedly provided with a mounting plate 607, and the cross section of one side of the mounting plate 607 is arranged in a right trapezoidal shape.

[0041] In some embodiments, according to Figure 3 As shown, the top of the mounting plate 607 is fixedly provided with a second reinforcing rib 608, which strengthens the structural strength and stability of the fixed plate 601 and the mounting plate 607. The second reinforcing rib 608 is fixedly connected with the two second fixed plates 601. The inclined side of the mounting plate 607 is fixedly provided with a second connecting block 609, the side of the second connecting block 609 is fixedly provided with a third fixed block 6010, one end of the third fixed block 6010 is fixedly provided with a second damping rod 6011, and the outer side of the second damping rod 6011 is fixedly sleeved with a second compression spring 6012.

[0042] In some embodiments, according to Figure 4 As shown, the top plate component 7 includes a top beam plate 701, which is fixedly connected with the support plate 402. The bottom of the top beam plate 701 is provided with two hydraulic push cylinders 702, which are fixedly arranged on the inner side of the support plate 402. The output end of the hydraulic push cylinder 702 is fixedly provided with a connecting push plate 703, which supports the first baffle plate 706 and the first auxiliary plate 705, and at the same time provides power for the first baffle plate 706. The connecting push plate 703 is slidingly connected with the bottom of the top beam plate 701. The side of the connecting push plate 703 is fixedly provided with two connecting rods 704.

[0043] In some embodiments, according to Figure 4As shown, the first vice plate 705 is slid in the inside of the roof beam plate 701, the contact area of the hydraulic support and the roof is increased, the baffle is rotatably arranged on one side of the first vice plate 705, the bottom of the baffle is rotatably connected with the two connecting rods 704, the first rubber plate 707 is fixedly arranged on the top of the roof beam plate 701, the adaptability of the roof beam plate 701 is improved, the friction between the roof beam plate 701 and the roof is increased, and the stability of the hydraulic support is ensured, the second connecting plate 708 is fixedly arranged on one side of the roof beam plate 701, the second connecting plate 708 is fixedly connected with the first connecting block 605 and the first connecting plate 606, and the second baffle 709 is rotatably arranged on one side of the second connecting plate 708.

[0044] In some embodiments, according to Figure 5 As shown, the horizontal plate 7010 is fixedly arranged on the top of the second connecting plate 708, the third damping rod 7011 is fixedly arranged on the top of the horizontal plate 7010, the third compression spring 7012 is fixedly sleeved on the outside of the third damping rod 7011, the second vice plate 7013 is fixedly arranged on the top of the third damping rod 7011, the second vice plate 7013 is rotatably connected with the roof beam plate 701, and the second rubber plate 7014 is fixedly arranged on the top of the second vice plate 7013.

[0045] The utility model works as follows: after the hydraulic support is arranged in the mine, the double-acting hydraulic cylinder 401 is started, the roof beam plate 701 is lifted and abuts against the roof, the roof beam plate 701 is closely attached to the roof, the hydraulic push cylinder 702 is started at this time, the connecting push plate 703 is pushed forward along the roof beam plate 701, the first baffle 706 is pushed, the first baffle 706 is rotatably connected with the first vice plate 705, so when the first baffle 706 is pushed forward, the first vice plate 705 is also slid out of the inside of the roof beam plate 701, and when the first vice plate 705 is in place, the first baffle 706 is rotated from the inclination to the horizontal;

[0046] When the device is impacted, the double-acting hydraulic cylinder 401 supports the device, and since the second vice plate 7013 is rotatably connected with the roof beam plate 701, a part of the impact borne by the first vice plate 705, the roof beam plate 701 and the second vice plate 7013 is buffered by the third damping rod 7011 and the third compression spring 7012 and is simultaneously transmitted downward to the first damping rod 603 and the first compression spring 604;

[0047] The second damping rod 6011 and the second compression spring 6012 mainly bear the impact from the collapsed ore on the rear side of the device.

Claims

1. An impact-resistant hydraulic support comprising a base (1), characterized in that: The base (1) is fixedly provided with a bottom plate (2) inside, one side top of the bottom plate (2) is fixedly provided with a first fixed block (3), one side section of the first fixed block (3) is circular, and the first fixed block (3) is provided with a support member (4) inside; Both sides of the first fixed block (3) are fixedly provided with a first reinforcing rib (5), and the first reinforcing rib (5) is fixedly connected with the base (1) and the bottom plate (2) at the same time, and one side of the first reinforcing rib (5) is provided with an anti-impact member (6); The anti-impact member (6) is provided with a top plate member (7) at the top, and the top plate member (7) is arranged at the top of the support member (4).

2. The hydraulic support according to claim 1, wherein: The support member (4) comprises a double-acting hydraulic cylinder (401), and an output end located at the bottom in the double-acting hydraulic cylinder (401) is fixedly connected with the first fixed block (3); An output end located at the top in the double-acting hydraulic cylinder (401) is fixedly provided with a support plate (402).

3. The impact-resistant hydraulic support of claim 1, wherein: The anti-impact member (6) comprises two fixed plates (601), both of which are fixedly connected with the bottom plate (2) and are arranged on both sides of the first reinforcing rib (5), respectively, both of which are fixedly provided with a second fixed block (602) at the top, and the second fixed block (602) is fixedly provided with a first damping rod (603) at the top.

4. A hydraulic ram according to claim 3, wherein: The first damping rod (603) is fixedly provided with a first compression spring (604) outside, the first damping rod (603) is fixedly provided with a first connecting block (605) at the top, two first connecting blocks (605) are fixedly provided with a first connecting plate (606) between them, one side of the first reinforcing rib (5) is fixedly provided with a mounting plate (607), and one side section of the mounting plate (607) is arranged in a right trapezoidal shape.

5. A shock absorbing hydraulic support according to claim 4, wherein: The mounting plate (607) is fixedly provided with a second reinforcing rib (608) at the top, the second reinforcing rib (608) is fixedly connected with the second fixed plate (601) on both sides, the mounting plate (607) is fixedly provided with a second connecting block (609) on the inclined surface side, the second connecting block (609) is fixedly provided with a third fixed block (6010) on one side, the third fixed block (6010) is fixedly provided with a second damping rod (6011) at one end, and the second damping rod (6011) is fixedly provided with a second compression spring (6012) outside.

6. The shock absorbing hydraulic support of claim 1, wherein: The top plate member (7) comprises a top beam plate (701), the top beam plate (701) is fixedly connected with the support plate (402), the top beam plate (701) is provided with two hydraulic push cylinders (702) at the bottom, the two hydraulic push cylinders (702) are fixedly arranged inside the support plate (402), the output end of the hydraulic push cylinder (702) is fixedly provided with a connecting push plate (703), the connecting push plate (703) is slidably connected with the bottom of the top beam plate (701), and the connecting push plate (703) is fixedly provided with two connecting rods (704) on one side.

7. A shock absorbing hydraulic support according to claim 6, wherein: The first vice plate (705) is slidably arranged in the top beam plate (701), one side of the first vice plate (705) is rotatably provided with a first baffle (706), the bottom of the first baffle (706) is rotatably connected with two connecting rods (704), the top of the top beam plate (701) is fixedly provided with a first rubber plate (707), one side of the top beam plate (701) is fixedly provided with a second connecting plate (708), the second connecting plate (708) is fixedly connected with the first connecting block (605) and the first connecting plate (606), and one side of the second connecting plate (708) is rotatably provided with a second baffle (709).

8. A shock absorbing hydraulic support according to claim 7, wherein: The top of the second connecting plate (708) is fixedly provided with a horizontal plate (7010), the top of the horizontal plate (7010) is fixedly provided with a third damping rod (7011), the outer side of the third damping rod (7011) is fixedly sleeved with a third compression spring (7012), the top of the third damping rod (7011) is fixedly provided with a second vice plate (7013), the second vice plate (7013) is rotatably connected with the top beam plate (701), and the top of the second vice plate (7013) is fixedly provided with a second rubber plate (7014).

Images