CN219509652U - Top rock splitting machine for hard rock chamber height extension - Google Patents

Abstract

The utility model discloses a top rock splitting machine for hard rock chamber height expansion, which comprises: hydraulic cylinder, splitting rifle, multistation bearing mechanism, support adjustment mechanism. One end of the hydraulic cylinder is connected with a splitting gun. The multi-station bearing mechanism is arranged below the hydraulic oil cylinder and comprises a fixed bearing ring, and the fixed bearing ring is sleeved on the outer side of the hydraulic oil cylinder. According to the utility model, through the arrangement of the multi-station bearing mechanism, the hydraulic oil cylinder of the rock splitting machine can be carried out with multiple stations, so that the use labor intensity of the rock splitting machine is reduced, the shaking deviation condition of the splitting gun in the process of holding the hydraulic oil cylinder is reduced, the stability and safety of splitting the rock at the top of the hard rock chamber are improved, and the efficiency of splitting the rock at the top of the hard rock chamber is improved by carrying out the multi-station bearing on the hydraulic oil cylinder of the rock splitting gun by adopting the supporting frame, so that the rock splitting machine is suitable for the hard rock chamber height-expanding construction in a limited space.

Description

Top rock splitting machine for hard rock chamber height extension

Technical Field

The utility model belongs to the technical field of rock splitting machines, and particularly relates to a top rock splitting machine for hard rock chamber height expansion.

Background

The chamber is a horizontal tunnel with a large cross section and a short length, is not communicated with an outlet of the ground, is also a chamber formed in a hard rock body such as limestone, dolomite and the like, is mainly used as a laboratory, a research room, a repair room or a rest room, and is required to be subjected to local height expansion, widening and the like according to the use requirements in the practical application process along with the continuous change and increase of the use requirements.

Because the chamber has the characteristics of large section, more changes and shorter length, large construction machinery is difficult to enter a working face for construction, and meanwhile, the chamber has the problems of complex structure, difficult accurate analysis of stress state and difficult judgment of surrounding rock stability, and is not suitable for construction in an explosive blasting mode when the chamber is subjected to local height expansion and widening treatment.

The rock splitting machine is a device for splitting hard rock by using a hydraulic mechanical mode, has the advantages of small volume, easy operation, good cracking effect and the like, can not damage the integral structure of the chamber under the condition of being convenient for mobile construction, and meets the construction requirements of local height expansion and widening treatment of the chamber.

The current common rock splitting machine mainly comprises a hydraulic station, a hydraulic oil cylinder and a splitting gun, wherein the splitting gun is assembled at the driving end of the hydraulic oil cylinder, a conveying oil pipe is adopted between the hydraulic oil cylinder and the hydraulic station, when the rock splitting machine is used, the rock splitting position is first selected to be punched, the splitting gun is placed in a hole on a rock stratum, then a piston in the hydraulic oil cylinder is driven to move in a mode of mainly conveying high-pressure oil into the hydraulic oil cylinder by the hydraulic station, so that a wedge in the splitting gun is driven to move by the piston in the hydraulic oil cylinder, the splitting gun is expanded to two sides under the action of the wedge, and the rock stratum is split under the action of the expansion force of the splitting gun.

Most of rock splitting machines in the prior art are in the use, require operating personnel to adopt the mode of handheld hydraulic cylinder to place the splitting rifle in the downthehole on the stratum to need to keep holding hydraulic cylinder in the stratum splitting process, especially in the chamber is opened up the in-process and is carried out the splitting to the top rock, just so make this kind of rock splitting machine carry out the intensity of labour that splits to chamber top rock great, long-time use is slower to the efficiency that splits of chamber top rock not only, still cause the damage to operating personnel's health easily, carry out the stability and the security that split was handled to chamber top rock relatively poor for the rock splitting machine carries out the effect that splits to top rock in the high in-process of stereoplasm chamber.

Accordingly, in response to the foregoing problems, it is desirable to provide a hard rock chamber height-extending roof rock splitter.

Disclosure of Invention

The utility model aims to provide a top rock splitting machine for the expansion of a hard rock chamber, so as to solve the problem that the effect of the rock splitting machine on splitting top rock in the expansion process of the hard chamber is poor.

In order to achieve the above object, an embodiment of the present utility model provides the following technical solution:

a hard rock chamber height-developing top rock splitter comprising: hydraulic cylinder, splitting rifle, multistation bearing mechanism, support adjustment mechanism.

And one end of the hydraulic oil cylinder is connected with a splitting gun.

The multi-station bearing mechanism is arranged below the hydraulic cylinder and comprises a fixed bearing ring, the fixed bearing ring is sleeved on the outer side of the hydraulic cylinder, a supporting frame is hinged to the outer side of the fixed bearing ring, a bearing guide rail is arranged below the supporting frame, a bearing fixing block is connected to the upper portion of the bearing guide rail in a sliding mode, the bearing fixing block is fixedly connected with the supporting frame, a bearing frame is fixedly connected to the lower portion of the bearing guide rail, and a supporting workbench is fixedly connected to one side, far away from the bearing guide rail, of the bearing frame.

The supporting adjusting mechanism is arranged on one side, far away from the splitting gun, of the hydraulic oil cylinder and comprises a concave holding piece, a pair of connecting fixing pieces are connected in a sliding mode in the concave holding piece, and the connecting fixing pieces are fixedly connected with the hydraulic oil cylinder.

Further, one end of the hydraulic oil cylinder, which is far away from the splitting gun, is connected with an oil delivery pipe. The oil delivery pipe plays a role in communicating the hydraulic oil cylinder with the hydraulic station, so that high-pressure hydraulic oil in the operation process of the hydraulic station is conveniently delivered into the hydraulic oil cylinder along the oil delivery pipe. The hydraulic station is arranged on the supporting workbench and is communicated with the oil delivery pipe. The hydraulic oil is pressurized and conveyed by controlling the operation of the hydraulic station, so that the expansion control of the splitting gun is facilitated in a mode of conveying high-pressure hydraulic oil into the hydraulic oil cylinder.

Further, a plurality of groups of fixed anti-drop clamping grooves which are uniformly distributed are formed above the bearing guide rail. The bearing fixing blocks are subjected to movement limiting through the plurality of groups of fixing anti-falling clamping grooves. A pair of anti-falling control air cylinders are arranged in the bearing fixing block, and the anti-falling control air cylinders are correspondingly arranged with the fixing anti-falling clamping grooves. The anti-drop control inflator plays a role in accommodating and moving limiting on the anti-drop clamping block.

Further, a pair of anti-falling clamping blocks are arranged in the anti-falling control air cylinders, and the anti-falling clamping blocks are matched with the fixed anti-falling clamping grooves. The anti-drop clamping block and the fixed anti-drop clamping groove are matched with each other to play a role in anti-drop fixation of the bearing fixing block, so that the stability of supporting and limiting of the bearing fixing block on the hydraulic cylinder is improved. One end of the anti-falling clamping block positioned in the anti-falling control inflator is fixedly connected with a connecting piston plate, and the connecting piston plate is in sliding sealing connection with the anti-falling control inflator. The piston plate is connected to support and limit the anti-drop clamping block. Meanwhile, the pneumatic control cavity is formed by matching the connecting piston plate with the anti-drop control air cylinder, so that the connecting piston plate drives the anti-drop clamping block to move in a mode of conveying gas into the anti-drop control air cylinder.

Further, an anti-falling spring is connected between the connecting piston plate and the anti-falling control air cylinder. The anti-drop spring plays a role in fixedly connecting the piston plate and the anti-drop control inflator, and is convenient for playing a role in supporting and limiting the connecting piston plate through shrinkage and resetting of the anti-drop spring. One side of the anti-drop control inflator, which is far away from the anti-drop spring, is connected with a conveying air pipe. The conveying air pipe plays a role in communicating the anti-drop control air cylinder with the guide air pipe.

Further, one end of the conveying air pipe far away from the anti-falling control air cylinder is connected with a pair of guide air pipes. The guide air pipe plays a role of communicating the control air pipe with the conveying air pipe, so that gas in the control air pipe is conveniently conveyed into the anti-drop control air pipe along the pair of guide air pipes and the conveying air pipe under the action of the disassembly and assembly extrusion blocks, and the piston plate is conveniently connected to move and control. One end of the pair of guide air pipes, which is positioned outside the bearing fixed block, is connected with a control air cylinder. The control inflator plays a role in storing gas, so that compressed gas is conveniently generated through the mutual cooperation of the dismounting extrusion block and the control inflator, and the piston plate is conveniently connected for driving and controlling.

Further, a sliding handle is arranged on the outer side of the control inflator, and the sliding handle is fixedly connected with the bearing fixing block. The sliding handle plays a role in supporting and fixing the control air cylinder, and is convenient for carrying out movement control on the bearing fixed block in a mode of holding the sliding handle, so that the hydraulic oil cylinder is convenient to carry out movement control. The control inflator is connected with a disassembly and assembly extrusion block in a sliding and sealing manner. The reset spring is compressed in a mode of pressing the disassembly and assembly extrusion block, so that gas in the control inflator is conveniently conveyed into the anti-drop control inflator along the guide air pipe and the conveying air pipe.

A plurality of reset springs are connected between the disassembly and assembly extrusion block and the control inflator. The reset spring plays a role in connecting the disassembly and assembly extrusion block with the control inflator, and is convenient for supporting and resetting the disassembly and assembly extrusion block through shrinkage and resetting of the reset spring. And a plurality of groups of anti-falling guardrails are fixedly connected above the supporting workbench. The anti-falling guardrail plays a role in anti-falling protection for operators on the supporting workbench.

Further, a pair of fixing bolts are connected between the female grip and the connection fixing member. The concave holding piece and the connecting and fixing piece are connected and fixed through the pair of fixing bolts. One side of the concave holding piece far away from the connecting fixing piece is fixedly connected with a holding adjusting rod. The concave gripping member is supported and fixed in a manner of holding the supporting adjusting rod conveniently. Meanwhile, the hydraulic cylinder is convenient to play a role in elevation angle adjustment control by means of moving and controlling the supporting adjusting rod.

Compared with the prior art, the utility model has the following advantages:

according to the utility model, through the arrangement of the multi-station bearing mechanism, multi-station bearing can be carried out on the hydraulic cylinder of the rock splitting machine, so that the use labor intensity of the rock splitting machine is reduced, the shaking deviation condition of the splitting gun in the process of holding the hydraulic cylinder is reduced, and the stability and safety of splitting the rock at the top of the hard rock chamber are improved;

the hydraulic oil cylinder of the rock splitting gun is carried out with the support frame in a multi-station mode, so that the efficiency of splitting the rock at the top of the hard rock chamber is improved, and the rock splitting machine is suitable for the hard rock chamber height expansion construction in a limited space.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a perspective view of a roof rock splitter for hard rock chamber height development in accordance with one embodiment of the present utility model;

FIG. 2 is a schematic diagram of the structure of FIG. 1 at A;

FIG. 3 is a schematic view of the structure of FIG. 1 at B;

FIG. 4 is another perspective view of a top rock splitter for hard rock chamber elevation in accordance with one embodiment of the present utility model;

FIG. 5 is a schematic view of a portion of a top rock splitter for hard rock chamber height development in accordance with an embodiment of the present utility model;

FIG. 6 is a schematic view of the structure of FIG. 5 at C;

FIG. 7 is a schematic view of a first use condition of a hard rock chamber elevation roof rock splitter according to an embodiment of the present utility model;

fig. 8 is a schematic view of a second use state of the roof rock splitter for hard rock chamber height extension according to an embodiment of the present utility model.

In the figure: 1. hydraulic cylinder, 101, splitter, 102, oil delivery pipe, 103, hydraulic station, 2, multi-station load bearing mechanism, 201, fixed load bearing ring, 202, support frame, 203, load bearing guide rail, 204, load bearing fixed block, 205, load bearing frame, 206, support work table, 207, anti-disengaging control cylinder, 208, anti-disengaging fixture block, 209, connecting piston plate, 210, anti-disengaging spring, 211, gas delivery pipe, 212, gas guiding pipe, 213, control cylinder, 214, slipping handle, 215, dismounting extrusion block, 216, return spring, 217, anti-falling guardrail, 3, supporting adjustment mechanism, 301, concave holding piece, 302, connecting fixing piece, 303, fixing bolt, 304, supporting adjustment rod.

Detailed Description

The present utility model will be described in detail below with reference to the embodiments shown in the drawings. The embodiments are not intended to limit the utility model, but structural, methodological or functional modifications from the embodiments are within the scope of the utility model.

The utility model discloses a top rock splitting machine for hard rock chamber height expansion, which is shown in fig. 1-8 and comprises: the device comprises a hydraulic cylinder 1, a splitting gun 101, a multi-station bearing mechanism 2 and a supporting and adjusting mechanism 3.

Referring to fig. 1, one end of a hydraulic cylinder 1 is connected to a cleavage gun 101. The hard rock chamber top rock is subjected to a cleaving process by expansion of the cleaving gun 101.

Referring to fig. 1-3, an oil delivery pipe 102 is connected to one end of the hydraulic cylinder 1 away from the splitting gun 101. The oil delivery pipe 102 plays a role in communicating the hydraulic cylinder 1 with the hydraulic station 103, so that high-pressure hydraulic oil in the operation process of the hydraulic station 103 is conveniently delivered into the hydraulic cylinder 1 along the oil delivery pipe 102.

Referring to fig. 1-3, a hydraulic station 103 is provided on a support table 206, and the hydraulic station 103 is in communication with the oil delivery pipe 102. The hydraulic oil is pressurized and conveyed by controlling the operation of the hydraulic station 103, so that the expansion control of the splitting gun 101 is facilitated by conveying high-pressure hydraulic oil into the hydraulic oil cylinder 1.

Referring to fig. 1-2, a multi-station bearing mechanism 2 is arranged below a hydraulic cylinder 1. The multi-station bearing mechanism 2 is convenient to play a role in multi-station bearing limit on the hydraulic cylinder 1. The multi-station bearing mechanism 2 comprises a fixed bearing ring 201, and the fixed bearing ring 201 is sleeved on the outer side of the hydraulic cylinder 1. The fixed bearing ring 201 plays a role in fixing and limiting the hydraulic cylinder 1. The outer side of the fixed bearing ring 201 is hinged with a supporting frame 202. The supporting frame 202 plays a role in supporting and limiting the fixed bearing ring 201. Meanwhile, the elevation angle of the splitting gun 101 is convenient to adjust and control in a mode that the fixed bearing ring 201 and the supporting frame 202 rotate.

Referring to fig. 1-2, a bearing guide rail 203 is disposed below the support 202. The bearing guide rail 203 plays a role in supporting and limiting the bearing fixed block 204. Meanwhile, the bearing fixed block 204 is convenient to move and guide through the bearing guide rail 203. A bearing fixing block 204 is slidably connected above the bearing guide rail 203, and the bearing fixing block 204 is fixedly connected with the supporting frame 202. The bearing fixing block 204 plays a role in supporting, fixing and moving control on the supporting frame 202.

Specifically, a plurality of groups of fixed anti-drop clamping grooves which are uniformly distributed are formed above the bearing guide rail 203. The plurality of groups of fixed anti-drop clamping grooves play a role in limiting movement of the bearing fixed block 204.

Referring to fig. 5 to 6, a pair of anti-drop control air cylinders 207 are provided in the bearing fixing block 204, and the anti-drop control air cylinders 207 are provided corresponding to the fixing anti-drop grooves. The anti-drop control air cylinder 207 plays a role in accommodating and moving limiting the anti-drop clamping block 208.

Referring to fig. 5 to 6, a pair of anti-drop control cylinders 207 are provided with anti-drop clamping blocks 208, and the anti-drop clamping blocks 208 are matched with the fixed anti-drop clamping grooves. The anti-drop clamping block 208 and the fixed anti-drop clamping groove are matched with each other to play a role in anti-drop fixation of the bearing fixed block 204, so that the stability of supporting and limiting the hydraulic cylinder 1 by the bearing fixed block 204 is improved.

Referring to fig. 5 to 6, one end of the anti-falling clamping block 208 in the anti-falling control air cylinder 207 is fixedly connected with a connecting piston plate 209, and the connecting piston plate 209 is in sliding sealing connection with the anti-falling control air cylinder 207. The anti-drop clamping block 208 is supported and limited through the connecting piston plate 209. Meanwhile, the pneumatic control cavity is formed by matching the connecting piston plate 209 and the anti-drop control air cylinder 207, so that the connecting piston plate 209 drives the anti-drop clamping block 208 to move in a mode of conveying air into the anti-drop control air cylinder 207.

Referring to fig. 5 to 6, a release prevention spring 210 is connected between the connection piston plate 209 and the release prevention control cylinder 207. The anti-drop spring 210 plays a role in fixedly connecting the piston plate 209 and the anti-drop control air cylinder 207, so that the piston plate 209 is supported and limited by shrinkage and resetting of the anti-drop spring 210. A delivery air pipe 211 is connected to the side of the anti-release control air cylinder 207 remote from the anti-release spring 210. The air delivery pipe 211 serves to communicate the anti-drop control air cylinder 207 with the air guide pipe 212.

Referring to fig. 5 to 6, a pair of guide air pipes 212 are connected to the end of the air supply pipe 211 remote from the anti-drop control air cylinder 207. The guiding air pipe 212 plays a role of communicating the control air pipe 213 with the conveying air pipe 211, so that the air in the control air pipe 213 is conveniently conveyed into the anti-drop control air pipe 207 along the pair of guiding air pipe 212 and the conveying air pipe 211 under the action of the dismounting extrusion block 215, and the movement control of the connecting piston plate 209 is conveniently carried out. One end of the pair of guide air pipes 212 located outside the bearing fixing block 204 is connected with a control air cylinder 213. The control cylinder 213 plays a role in storing gas, and is convenient for generating compressed gas by the cooperation of the detachable squeeze block 215 and the control cylinder 213, thereby facilitating the drive control of the connecting piston plate 209.

Referring to fig. 5 to 6, a sliding handle 214 is provided on the outer side of the control cylinder 213, and the sliding handle 214 is fixedly connected to the load-bearing fixing block 204. The sliding handle 214 plays a role in supporting and fixing the control air cylinder 213, so that the bearing fixed block 204 is conveniently controlled in a moving manner by holding the sliding handle 214, and the hydraulic oil cylinder 1 is conveniently controlled in a moving manner.

Referring to fig. 5 to 6, the control cylinder 213 is slidably and sealingly connected to a detachable squeeze block 215. The return spring 216 is compressed by pressing the detachable pressing block 215, so that the gas in the control cylinder 213 is easily transported to the anti-drop control cylinder 207 along the gas guiding pipe 212 and the gas transporting pipe 211.

Referring to fig. 5 to 6, a plurality of return springs 216 are connected between the detachable pressing block 215 and the control cylinder 213. The reset spring 216 plays a role in connecting the disassembly and assembly extrusion block 215 with the control inflator 213, and is convenient for supporting and resetting the disassembly and assembly extrusion block 215 through the contraction and resetting of the reset spring 216.

As shown in fig. 1, a carrier 205 is fixedly connected to the lower portion of the carrier guide rail 203. The bearing frame 205 plays a role of supporting and fixing the bearing guide rail 203. A support table 206 is fixedly connected to the side of the carrier 205 remote from the carrier guide rail 203. The support table 206 plays a role of bearing and fixing the bearing frame 205 and the hydraulic station 103.

In addition, the lifting component and the pulley moving mechanism can be connected below the supporting workbench 206, and the hydraulic oil cylinder 1 is controlled in a height adjusting manner by controlling the lifting of the supporting workbench 206, so that the convenience and stability of splitting the rock at the top of the hard rock chamber are improved. Meanwhile, the hydraulic cylinder 1 is controlled to move in a mode of arranging the pulley moving mechanism below the supporting workbench 206, so that the high efficiency of developing the hard rock chamber is improved.

Referring to fig. 1, a plurality of sets of anti-falling guardrails 217 are fixedly connected above the support table 206. The operator on the support table 206 is protected from falling through the fall protection fence 217.

Referring to fig. 1-3, the supporting and adjusting mechanism 3 is disposed on a side of the hydraulic cylinder 1 away from the splitting gun 101, and the supporting and adjusting mechanism 3 includes a concave-shaped grip 301. The concave holding piece 301 plays a role of supporting and fixing the connecting and fixing piece 302. A pair of connecting and fixing members 302 are slidably connected to the concave holding member 301, and the pair of connecting and fixing members 302 are fixedly connected to the hydraulic cylinder 1. The concave holding member 301 and the hydraulic cylinder 1 are conveniently connected and fixed by the connecting and fixing member 302. Thereby facilitating the control of gripping and elevation adjustment of the hydraulic cylinder 1 by applying force to the concave gripping member 301.

Referring to fig. 1 to 3, a pair of fixing bolts 303 are connected between the female grip 301 and the connection fixing 302. The female grip 301 and the connection fixing member 302 are connected and fixed by a pair of fixing bolts 303.

Referring to fig. 1 to 3, a supporting adjustment rod 304 is fixedly connected to a side of the concave grip 301 remote from the connection fixing member 302. The concave gripping piece 301 is supported and fixed by gripping the supporting adjustment lever 304. Meanwhile, the hydraulic cylinder 1 is convenient to play a role in elevation angle adjustment control in a mode of controlling the movement of the supporting adjusting rod 304.

Referring to fig. 7-8, in specific use, the hydraulic cylinder 1 is supported, limited and carried by the mutual cooperation of the fixed bearing ring 201, the supporting frame 202, the bearing fixed block 204, the bearing guide rail 203, the bearing frame 205 and the supporting table 206, when the rock at the top of the hard rock chamber is required to be split, an operator can correspond the hydraulic cylinder 1 to the hole on the rock at the top of the hard rock chamber by applying a force to the supporting adjusting rod 304, and then, the supporting table 206 is lifted and translated by the lifting assembly and the pulley moving mechanism, namely the moving trolley, installed below the supporting table 206, and the splitting gun 101 is placed in the hole on the rock at the top of the hard rock chamber in the process of lifting and translating the supporting table 206, so that the rock at the top of the hard rock chamber is split.

Then, high-pressure hydraulic oil is generated by controlling the operation of the hydraulic station 103, the high-pressure hydraulic oil is conveyed into the hydraulic oil cylinder 1 under the action of the oil conveying pipe 102, and the expansion of the splitting gun 101 is controlled by conveying the high-pressure hydraulic oil into the hydraulic oil cylinder 1, so that the splitting treatment of the rock at the top of the hard rock chamber is facilitated.

Meanwhile, in the use process, an operator can synchronously hold and press the disassembly and assembly extrusion block 215 through two hands to compress the reset spring 216, so that gas in the control air cylinder 213 is conveyed into the anti-drop control air cylinder 207 along the guide air pipe 212 and the conveying air pipe 211 under the action of the disassembly and assembly extrusion block 215, the connecting piston plate 209 compresses the anti-drop spring 210 along with the pressurizing of the air pressure in the anti-drop control air cylinder 207, the anti-drop clamping block 208 is separated from a fixed anti-drop clamping groove on the bearing guide rail 203, the locking fixed state of the bearing fixed block 204 is relieved, then the bearing fixed block 204 can be controlled to move in a multi-station manner by applying acting force to the sliding handle 214, the bearing fixed block 204 is fixed through the mutual matching of the anti-drop clamping block 208 and a plurality of groups of fixed anti-drop clamping grooves on the bearing guide rail 203, and the applicability of the rock splitter to high processing of a hard rock chamber is improved.

Referring to fig. 7 to 8, the conventional pulley moving mechanism, i.e., the moving trolley, conveniently drives the hydraulic cylinder 1 and the splitting gun 101 to move left and right along the direction of illustration through movement of wheels in the use process, i.e., to move longitudinally in actual operation. However, due to the arrangement of the pulley moving mechanism in the wheel direction, it is inconvenient to drive the hydraulic cylinder 1 and the splitting gun 101 to move back and forth in the direction perpendicular to the paper surface, i.e. to move laterally in actual operation. Therefore, when the splitting gun 101 is used for splitting a plurality of holes at the same horizontal position, the pulley moving mechanism needs to be frequently moved back and forth, the process is complicated and the moving period is long, so that the splitting gun 101 is low in splitting efficiency of the plurality of holes at the same horizontal position. By means of sliding the bearing fixing block 204 along the bearing guide rail 203, the hydraulic oil cylinder 1 and the splitting gun 101 can move forwards and backwards in a certain range, and splitting efficiency of the splitting gun 101 on a plurality of holes in the same horizontal position is improved.

The technical scheme shows that the utility model has the following beneficial effects:

according to the utility model, through the arrangement of the multi-station bearing mechanism, the hydraulic oil cylinder of the rock splitting machine can be carried out with multiple stations, so that the use labor intensity of the rock splitting machine is reduced, the shaking deviation condition of the splitting gun in the process of holding the hydraulic oil cylinder is reduced, the stability and safety of splitting the rock at the top of the hard rock chamber are improved, and the efficiency of splitting the rock at the top of the hard rock chamber is improved by carrying out the multi-station bearing on the hydraulic oil cylinder of the rock splitting gun by adopting the supporting frame, so that the rock splitting machine is suitable for the hard rock chamber height-expanding construction in a limited space.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment contains only one independent technical solution, and that such description is provided for clarity only, and that the technical solutions of the embodiments may be appropriately combined to form other embodiments that will be understood by those skilled in the art.

Claims (8)

1. The utility model provides a hard rock chamber opens up high with top rock splitter which characterized in that includes:

the device comprises a hydraulic oil cylinder (1), wherein one end of the hydraulic oil cylinder (1) is connected with a splitting gun (101);

the multi-station bearing mechanism (2) is arranged below the hydraulic cylinder (1), the multi-station bearing mechanism (2) comprises a fixed bearing ring (201), the fixed bearing ring (201) is sleeved on the outer side of the hydraulic cylinder (1), a supporting frame (202) is hinged to the outer side of the fixed bearing ring (201), a bearing guide rail (203) is arranged below the supporting frame (202), a bearing fixed block (204) is connected above the bearing guide rail (203) in a sliding manner, the bearing fixed block (204) is fixedly connected with the supporting frame (202), a bearing frame (205) is fixedly connected below the bearing guide rail (203), and a supporting workbench (206) is fixedly connected to one side, far away from the bearing guide rail (203), of the bearing frame (205).

The supporting adjusting mechanism (3) is arranged on one side, far away from the splitting gun (101), of the hydraulic oil cylinder (1), the supporting adjusting mechanism (3) comprises a concave holding piece (301), a pair of connecting fixing pieces (302) are connected in a sliding mode in the concave holding piece (301), and the connecting fixing pieces (302) are fixedly connected with the hydraulic oil cylinder (1).

2. The roof rock splitting machine for hard rock chamber height extension according to claim 1, wherein one end of the hydraulic cylinder (1) far away from the splitting gun (101) is connected with an oil delivery pipe (102), a hydraulic station (103) is arranged on the supporting workbench (206), and the hydraulic station (103) is communicated with the oil delivery pipe (102).

3. The roof rock splitting machine for hard rock chamber height extension according to claim 2, wherein a plurality of groups of fixed anti-drop clamping grooves which are uniformly distributed are formed above the bearing guide rail (203), a pair of anti-drop control air cylinders (207) are arranged in the bearing fixing block (204), and the anti-drop control air cylinders (207) are correspondingly arranged with the fixed anti-drop clamping grooves.

4. A hard rock chamber height-developing top rock splitting machine according to claim 3, wherein a pair of anti-drop control air cylinders (207) are respectively provided with an anti-drop clamping block (208), the anti-drop clamping blocks (208) are matched with a fixed anti-drop clamping groove, one end of each anti-drop clamping block (208) positioned in each anti-drop control air cylinder (207) is fixedly connected with a connecting piston plate (209), and the connecting piston plates (209) are in sliding sealing connection with the anti-drop control air cylinders (207).

5. The roof rock splitting machine for hard rock chamber height extension according to claim 4, wherein an anti-drop spring (210) is connected between the connecting piston plate (209) and the anti-drop control air cylinder (207), and a conveying air pipe (211) is connected to one side of the anti-drop control air cylinder (207) far away from the anti-drop spring (210).

6. The roof rock splitting machine for hard rock chamber height extension according to claim 5, wherein one end of the conveying air pipe (211) far away from the anti-drop control air cylinder (207) is connected with a pair of guide air pipes (212), and one end of the pair of guide air pipes (212) located outside the bearing fixed block (204) is connected with a control air cylinder (213).

7. The roof rock splitting machine for hard rock chamber height extension according to claim 6, wherein a sliding handle (214) is arranged on the outer side of the control air cylinder (213), the sliding handle (214) is fixedly connected with the bearing fixing block (204), a disassembly and assembly extrusion block (215) is connected in a sliding and sealing manner with the control air cylinder (213), a plurality of return springs (216) are connected between the disassembly and assembly extrusion block (215) and the control air cylinder (213), and a plurality of groups of anti-falling guardrails (217) are fixedly connected above the support workbench (206).

8. The roof rock splitting machine for hard rock chamber height extension according to claim 1, wherein a pair of fixing bolts (303) are connected between the concave holding piece (301) and the connecting fixing piece (302), and a holding adjusting rod (304) is fixedly connected to one side of the concave holding piece (301) away from the connecting fixing piece (302).