CN216811680U - Rock splitting device - Google Patents
Rock splitting device Download PDFInfo
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- CN216811680U CN216811680U CN202220155386.3U CN202220155386U CN216811680U CN 216811680 U CN216811680 U CN 216811680U CN 202220155386 U CN202220155386 U CN 202220155386U CN 216811680 U CN216811680 U CN 216811680U
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- wedge block
- splitting
- splitting wedge
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- blocks
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Abstract
The utility model belongs to the technical field of mining equipment and discloses a rock splitting device which comprises a hydraulic system, a pushing oil cylinder, a mounting seat and a wedge block group, wherein the mounting seat is fixedly connected with a cylinder body of the pushing oil cylinder, and the wedge block group is arranged in the mounting seat; the set of wedges includes a second cleaving wedge for secondary fracturing. The beneficial effect of this application does: simple structure is reasonable, and convenient to use especially to the rock exploitation of complicated topography, can carry out the secondary expansion splitting fast, improves the result of use.
Description
Technical Field
The utility model relates to a rock splitting device, and belongs to the technical field of mining equipment.
Background
The rock splitting device is a device for splitting rock by using a hydraulic mechanical mode, and the main principle of the device is as follows: the axial hydraulic thrust is changed into the transverse splitting force by utilizing the common physical wedge principle and the hydraulic driving principle, so that the rock is split. The existing rock splitting device mainly comprises a hydraulic system, a pushing oil cylinder and a wedge block group, wherein the wedge block group comprises a central wedge block and two symmetrical splitting wedge blocks, the central wedge block is inserted into the two symmetrical splitting wedge blocks, the pushing oil cylinder is connected with the hydraulic system, and a piston head of the pushing oil cylinder is fixedly connected with the top end of the central wedge block. When rock splitting is carried out, firstly, holes are formed in the rock, the wedge block group is inserted into the holes, the pushing oil cylinder applies downward axial force to the central wedge block, the central wedge block transversely pushes the splitting wedge blocks on two sides when moving downwards, so that the two splitting wedge blocks are unfolded, hundreds of tons of splitting force are generated on the rock, and the splitting force is outwards from the inside of the rock, so that the purpose of damaging the internal structure of the rock is achieved, and the rock is cracked.
However, the existing rock splitting device is used for splitting large rocks, due to the problems of mining environment or rock components and the like, a splitting gap is easy to appear and small, the rocks cannot be cracked, splitting operation needs to be carried out by repeatedly punching, the workload and the design amount are large, and meanwhile, the cost and the operation time are increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above disadvantages, the present invention provides a rock cleaving device.
In order to achieve the purpose, the technical scheme of the utility model is as follows: a rock splitting device comprises a hydraulic system, a pushing oil cylinder, a mounting seat and a wedge block group, wherein the mounting seat is fixedly connected with a cylinder body of the pushing oil cylinder, and the wedge block group is mounted in the mounting seat; the wedge block group comprises a central wedge block and two symmetrical first splitting wedge blocks, the central wedge block is inserted into the two symmetrical first splitting wedge blocks, a pushing oil cylinder is connected with a hydraulic system, a piston head of the pushing oil cylinder is fixedly connected with the top end of the central wedge block, the mounting seat comprises a head part and an extension part, the head part comprises a guide groove with a lower opening and two symmetrical mounting blocks, the two mounting blocks are connected in the guide groove in a sliding mode, and the two first splitting wedge blocks are fixedly connected with one mounting block respectively; the center of the top of the guide groove is provided with a center wedge block through hole, and the center wedge block is connected with the two first splitting wedge blocks through a guide reset mechanism;
the wedge block group also comprises two symmetrical second splitting wedge blocks, the cross sections of the second splitting wedge blocks are partial annular blocks, the inner side surface and the outer side surface of the cross section of the second splitting wedge block are concentric with the outer side surface of the first splitting wedge block, and the central angles of the inner side surface and the outer side surface of the second splitting wedge block are the same, and the radius of the inner side surface of the second splitting wedge block is the same as that of the outer side surface of the first splitting wedge block;
one end of the mounting seat extension part is fixedly connected with a cylinder body of the pushing oil cylinder, and the other end of the mounting seat extension part is fixedly connected with the guide groove; two auxiliary oil cylinders with the same motion direction as the cylinder body are fixedly arranged on the outer side surface of the cylinder body of the pushing oil cylinder; the inner surface of the extension part is symmetrically provided with a fixing plate of a second splitting wedge block, the fixing plate is provided with a second splitting wedge block guide hole, the top of the guide groove is provided with two symmetrical second splitting wedge block through holes, and a gap capable of containing the second splitting wedge block is arranged between each mounting block and a first splitting wedge block connected with the mounting block; in a normal state, the second splitting wedge block penetrates through the second splitting wedge block guide hole on the corresponding side and is in brittle connection with the fixing plate on the corresponding side, and the top of the second splitting wedge block is in contact with the piston head of the auxiliary oil cylinder on the corresponding side; the bottom of the second splitting wedge block is right opposite to the second splitting wedge block through hole at the top of the guide groove at the corresponding side, and is in positive correspondence with the gap between the mounting block at the corresponding side and the first splitting wedge block, and the bottom of the second splitting wedge block is close to the plane at the top of the guide groove and is not in contact with the plane at the top of the guide groove.
Preferably, the guiding and resetting mechanism comprises a T-shaped sliding groove and a T-shaped block, the T-shaped sliding groove is respectively arranged on the contact surface center line of the two first splitting wedge blocks and the central wedge block, the T-shaped block is fixedly arranged on two sides of the lower end of the central wedge block, and the central wedge block is connected with the two first splitting wedge blocks in a sliding and guiding mode through the T-shaped block. The mechanism can ensure that the two first splitting wedge blocks do not deviate when the central wedge block is pushed downwards, so that the splitting direction can be controlled conveniently, and when the central wedge block is restored, the two first splitting wedge blocks can be pulled to reset to the initial positions, so that the mechanism is favorable for repeated operation and use.
Preferably, the T-shaped block is a hemispherical T-shaped block, and the structure can reduce the friction force when the central wedge block and the first splitting wedge block are guided to reset.
Preferably, the top of the second splitting wedge block is provided with a positioning groove matched with the piston head of the auxiliary oil cylinder.
Preferably, the outer side surface of the first splitting wedge block is provided with two threaded blind holes which are respectively located at 1/3 and 2/3 on the circumferential length of the outer side surface of the first splitting wedge block; the installation block corresponding to the first splitting wedge block is provided with a threaded through hole corresponding to the threaded blind hole, the first splitting wedge block is fixedly connected with the installation block corresponding to the side through bolts sequentially passing through the threaded through hole and the threaded blind hole, and the length of the bolt between the first splitting wedge block and the installation block corresponding to the side is the gap between the first splitting wedge block and the installation block corresponding to the side.
Preferably, the second splitting wedge block is provided with an insertion groove corresponding to the bolt on the gap between the first splitting wedge block and the mounting block, and the depth of the insertion groove is the same as the length from the bolt to the end face of the bottom of the first splitting wedge block; the second splitting wedge has a length that is the same as the length of the first splitting wedge.
Preferably, the outer edge of the lower end of the second splitting wedge block is provided with a chamfer.
The working principle and the working steps of the application are as follows:
1. the method comprises the steps that a rock is split, a central wedge block and first splitting wedge blocks are inserted into a splitting hole, a hydraulic system drives a pushing oil cylinder to act, the pushing oil cylinder pushes the central wedge block to move downwards, so that the two first splitting wedge blocks are transversely opened, huge splitting force is generated for the rock, and the rock is split; then the pushing oil cylinder pulls the central wedge block to reset, and the central wedge block drives the first splitting wedge block to reset through the guiding reset mechanism;
2. due to the reasons of geology or rock texture and the like, the rock can not be split through the step 1 at many times, at the moment, the hydraulic system drives the auxiliary oil cylinder to act, the second splitting wedge block is in brittle connection with the fixed plate, under the action of dozens of tons of thrust of the auxiliary oil cylinder, the brittle connection point of the second splitting wedge block and the fixed plate is disconnected, the second splitting wedge block passes through the second splitting wedge block through hole in the top of the guide groove and is inserted into the gap between the first splitting wedge block and the mounting block, and the bolt in the gap plays roles of distance adjustment, positioning, guiding, limiting and the like; through the above-mentioned step, realize the thickening of wedge block group, 1 st step of repetition carries out the secondary splitting to the rock to the realization need not repeated punching, conveniently expands the effect of splitting along original splitting gap direction, very big reduction the work load. Because the central voussoir in step 1 is when expanding first splitting voussoir, the open range in first splitting voussoir lower part is greater than upper portion, leads to the splitting hole after step 1 is accomplished big-end-up outside, consequently, second splitting voussoir lower extreme outward flange sets up the chamfer, is favorable to reducing in this step that the second splitting voussoir inserts.
3. After step 2 is completed, the central wedge block resets to drive the first splitting wedge block to reset, and the second splitting wedge block is taken out, at the moment, the second splitting wedge block can be manually taken out, the piston head position of the auxiliary oil cylinder is initial, the second splitting wedge block is positioned and limited through the second splitting wedge block guide hole in the fixing plate, and then the second splitting wedge block and the fixing plate are subjected to brittle connection. The brittle connection is preferably quick-drying glue connection, for example, glue such as 502 dries quickly, can bear the weight of a second splitting wedge block of dozens of kilograms, but the bonding part of the brittle connection is high in brittleness and can be easily broken under the pressure of dozens of tons of auxiliary oil cylinders, and follow-up action is realized.
The beneficial effect of this application does: simple structure is reasonable, and convenient to use especially to the rock exploitation of complicated topography, can carry out the secondary expansion splitting fast, improves the result of use.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is a schematic view of the structure of the guide groove in fig. 1.
Fig. 4 is a schematic view of the mounting block structure in fig. 1.
Fig. 5 is a schematic view of the second splitting wedge structure of fig. 1.
Detailed Description
The technical solutions of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The rock splitting device shown in fig. 1-5 comprises a hydraulic system (conventional technical means, so omitted in the drawings), a pushing cylinder 1, a mounting seat 2 and a wedge block group 3, wherein the mounting seat is fixedly connected with a cylinder body 101 of the pushing cylinder, and the wedge block group is mounted in the mounting seat; the wedge block group comprises a central wedge block 301 and two symmetrical first splitting wedge blocks 302, the central wedge block is inserted into the two symmetrical first splitting wedge blocks, the pushing cylinder is connected with a hydraulic system, a piston head 102 of the pushing cylinder is fixedly connected with the top end of the central wedge block, the mounting base 2 comprises a head portion 201 and an extension portion 202, the head portion comprises a guide groove 2011 with a lower opening and two symmetrical mounting blocks 2012, the two mounting blocks are slidably connected in the guide groove, and the two first splitting wedge blocks are respectively and fixedly connected with one mounting block; the center of the top of the guide groove is provided with a center wedge block through hole 2013, and the center wedge block is connected with the two first splitting wedge blocks through a guide reset mechanism;
the wedge block group further comprises two symmetrical second splitting wedge blocks 303, the cross sections of the second splitting wedge blocks are partial annular blocks, the inner side surface and the outer side surface of the cross section of each second splitting wedge block are concentric with the outer side surface of the first splitting wedge block, and the central angles of the inner side surface and the outer side surface of each second splitting wedge block are the same, and the radius of the inner side surface of each second splitting wedge block is the same as that of the outer side surface of the first splitting wedge block;
one end of the mounting base extension part 202 is fixedly connected with a cylinder body of the pushing cylinder, and the other end is fixedly connected with a guide groove 2011; two auxiliary oil cylinders 4 with the same motion direction as the cylinder body are fixedly arranged on the outer side surface of the pushing oil cylinder; the inner surface of the extension part is symmetrically provided with a fixing plate 5 of a second splitting wedge block, the fixing plate is provided with a second splitting wedge block guide hole 501, the top of the guide groove is provided with two symmetrical second splitting wedge block through holes 2014, and a gap 11 capable of accommodating the second splitting wedge block is arranged between each mounting block and the first splitting wedge block connected with the mounting block; in a normal state, the second splitting wedge block penetrates through the second splitting wedge block guide hole on the corresponding side and is in brittle connection with the fixing plate on the corresponding side, and the top of the second splitting wedge block is in contact with the piston head of the auxiliary oil cylinder on the corresponding side; the bottom of the second splitting wedge block is right opposite to the second splitting wedge block through hole at the top of the guide groove at the corresponding side, and is right corresponding to a gap between the mounting block at the corresponding side and the first splitting wedge block, and the bottom of the second splitting wedge block is close to the plane at the top of the guide groove and does not contact with the plane at the top of the guide groove.
Specifically, direction canceling release mechanical system includes T type spout 5 and T type piece 6, and T type spout sets up respectively on the contact surface median line of two first splitting voussoirs and central voussoir, and T type piece is fixed to be set up in central voussoir lower extreme both sides, and central voussoir passes through T type piece and two first splitting voussoirs slip guide connection. The mechanism can ensure that the two first splitting wedge blocks do not deviate when the central wedge block is pushed downwards, so that the splitting direction can be controlled conveniently, and when the central wedge block is restored, the two first splitting wedge blocks can be pulled to reset to the initial positions, so that the mechanism is favorable for repeated operation and use.
More specifically, the T-shaped block is a hemispherical head T-shaped block, and the structure can reduce the friction force when the central wedge block and the first splitting wedge block are guided to reset.
In order to facilitate the positioning of the second splitting wedge block and the auxiliary oil cylinder, a positioning groove 7 matched with the piston head of the auxiliary oil cylinder is formed in the top of the second splitting wedge block. In order to facilitate the movement of the second splitting wedge block, the outer edge of the lower end of the second splitting wedge block is provided with a chamfer 12.
Specifically, two threaded blind holes 8 are formed in the outer side surface of the first splitting wedge 302, and the two threaded blind holes are located at 1/3 and 2/3 on the circumferential length of the outer side surface of the first splitting wedge respectively; the installation block 2012 corresponding to the first splitting wedge block is provided with a threaded through hole 9 corresponding to the threaded blind hole, the first splitting wedge block is fixedly connected with the installation block on the corresponding side through bolts 10 sequentially passing through the threaded through hole and the threaded blind hole, and the length of the bolt between the first splitting wedge block and the installation block on the corresponding side is the gap 11 between the first splitting wedge block and the installation block.
Specifically, the second splitting wedge block is provided with an insertion groove 13 corresponding to the bolt on the gap between the first splitting wedge block and the mounting block, and the depth of the insertion groove is the same as the length from the bolt to the end face of the bottom of the first splitting wedge block; the second splitting wedge has a length that is the same as the length of the first splitting wedge.
The technical solution of the present invention is not limited to the limitations of the above specific embodiments, and all technical modifications made according to the technical solution of the present invention fall within the protection scope of the present invention.
Claims (7)
1. A rock splitting device comprises a hydraulic system, a pushing oil cylinder, a mounting seat and a wedge block group, wherein the mounting seat is fixedly connected with a cylinder body of the pushing oil cylinder, and the wedge block group is mounted in the mounting seat; wedge block group includes central voussoir and two symmetrical first splitting voussoirs, and the central voussoir inserts to two symmetrical first splitting voussoirs, and the top pushes away the hydro-cylinder and is connected with hydraulic system, pushes away the piston head of hydro-cylinder and the top fixed connection of central voussoir, its characterized in that: the mounting seat comprises a head part and an extension part, the head part comprises a guide groove with a lower opening and two symmetrical mounting blocks, the two mounting blocks are connected in the guide groove in a sliding manner, and the two first splitting wedge blocks are fixedly connected with one mounting block respectively; the center of the top of the guide groove is provided with a center wedge block through hole, and the center wedge block is connected with the two first splitting wedge blocks through a guide reset mechanism;
the wedge block group also comprises two symmetrical second splitting wedge blocks, the cross sections of the second splitting wedge blocks are partial annular blocks, the inner side surface and the outer side surface of the cross section of the second splitting wedge block are concentric with the outer side surface of the first splitting wedge block, and the central angles of the inner side surface and the outer side surface of the second splitting wedge block are the same, and the radius of the inner side surface of the second splitting wedge block is the same as that of the outer side surface of the first splitting wedge block;
one end of the mounting seat extension part is fixedly connected with a cylinder body of the pushing oil cylinder, and the other end of the mounting seat extension part is fixedly connected with the guide groove; two auxiliary oil cylinders with the same motion direction as the cylinder body are fixedly arranged on the outer side surface of the cylinder body of the pushing oil cylinder; the inner surface of the extension part is symmetrically provided with a fixing plate of a second splitting wedge block, the fixing plate is provided with a second splitting wedge block guide hole, the top of the guide groove is provided with two symmetrical second splitting wedge block through holes, and a gap capable of containing the second splitting wedge block is arranged between each mounting block and a first splitting wedge block connected with the mounting block; in a normal state, the second splitting wedge block penetrates through the second splitting wedge block guide hole on the corresponding side and is in brittle connection with the fixing plate on the corresponding side, and the top of the second splitting wedge block is in contact with the piston head of the auxiliary oil cylinder on the corresponding side; the bottom of the second splitting wedge block is right opposite to the second splitting wedge block through hole at the top of the guide groove at the corresponding side, and right opposite to the gap between the mounting block at the corresponding side and the first splitting wedge block, and the bottom of the second splitting wedge block is close to the plane at the top of the guide groove and does not contact with the plane at the top of the guide groove.
2. A rock cleaving device according to claim 1, wherein: the guide reset mechanism comprises a T-shaped sliding groove and a T-shaped block, the T-shaped sliding groove is formed in the middle line of the contact surface of the two first splitting wedge blocks and the central wedge block respectively, the T-shaped block is fixedly arranged on the two sides of the lower end of the central wedge block, and the central wedge block is connected with the two first splitting wedge blocks in a sliding guide mode through the T-shaped block.
3. A rock cleaving device according to claim 2, wherein: the T-shaped block is a hemispherical head T-shaped block.
4. A rock cleaving device according to claim 3, wherein: and a positioning groove matched with the piston head of the auxiliary oil cylinder is formed in the top of the second splitting wedge block.
5. A rock cleaving device according to claim 4, wherein: two threaded blind holes are formed in the outer side surface of the first splitting wedge block and are respectively located at 1/3 and 2/3 positions on the circumferential length of the outer side surface of the first splitting wedge block; the installation block corresponding to the first splitting wedge block is provided with a threaded through hole corresponding to the threaded blind hole, the first splitting wedge block is fixedly connected with the installation block corresponding to the side through bolts sequentially passing through the threaded through hole and the threaded blind hole, and the length of the bolt between the first splitting wedge block and the installation block corresponding to the side is the gap between the first splitting wedge block and the installation block corresponding to the side.
6. A rock cleaving device according to claim 5, wherein: the second splitting wedge block is provided with an insertion groove corresponding to the bolt on the gap between the first splitting wedge block and the mounting block, and the depth of the insertion groove is the same as the length from the bolt to the end face of the bottom of the first splitting wedge block; the second splitting wedge has a length that is the same as the length of the first splitting wedge.
7. A rock cleaving device according to claim 6, wherein: the outer edge of the lower end of the second splitting wedge block is provided with a chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220155386.3U CN216811680U (en) | 2022-01-20 | 2022-01-20 | Rock splitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220155386.3U CN216811680U (en) | 2022-01-20 | 2022-01-20 | Rock splitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216811680U true CN216811680U (en) | 2022-06-24 |
Family
ID=82066457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220155386.3U Active CN216811680U (en) | 2022-01-20 | 2022-01-20 | Rock splitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216811680U (en) |
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2022
- 2022-01-20 CN CN202220155386.3U patent/CN216811680U/en active Active
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