CN210100377U

CN210100377U - Rock static blasting splitter

Info

Publication number: CN210100377U
Application number: CN201920452752.XU
Authority: CN
Inventors: 傅建红; 支彦锋; 肖文艳; 沈坚强; 嵇晓晔; 姚永强; 肖国梁; 斯纪平; 沈佳锋; 沈云祥
Original assignee: ZHEJIANG ROAD & BRIDGE CONSTRUCTION Co Ltd
Current assignee: ZHEJIANG ROAD & BRIDGE CONSTRUCTION Co Ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-02-21
Anticipated expiration: 2029-04-04

Abstract

The utility model discloses a static blasting splitting machine of rock, which comprises a vehicle rack, hydraulic power unit and aircraft nose structure, hydraulic power unit sets up on the frame, hydraulic power unit passes through oil pipe and aircraft nose structural connection, provide hydraulic oil for the aircraft nose structure, the aircraft nose structure includes hydraulic cylinder and linkage segment, hydraulic cylinder's end and linkage segment are connected, be equipped with a piston rod in the hydraulic cylinder, the piston rod stretches into in the linkage segment and is connected with a middle voussoir, the width of the one end that middle voussoir is connected with the piston rod is greater than the width of its other end, the aircraft nose structure still includes a side voussoir mount pad, the terminal threaded connection of side voussoir mount pad and linkage segment, movable mounting has two side voussoirs on the side voussoir mount pad, middle voussoir is inserted. When the machine head structure in the static blasting splitter for rock needs to replace the side wedge blocks, the machine head structure is convenient to disassemble, assemble and maintain and low in maintenance cost.

Description

Rock static blasting splitter

Technical Field

The utility model relates to a static blasting technical field particularly, relates to a static blasting splitter of rock.

Background

Objects that are usually crushed (e.g. concrete, rock) have a high compressive strength but a low tensile strength. The rock splitter is a device which utilizes the characteristic of low tensile strength of rock and acts in the rock to split the rock according to a preset direction. The principle is as follows: the middle wedge block of the wedge block group is driven by high-pressure oil to move forward, and the reverse wedge block is propped open towards two sides to act on rocks on two sides.

The rock splitter can work controllably in a static hydraulic environment, potential safety hazards cannot be generated like explosive blasting and other impact demolishing, and complex safety measures are not required to be taken; when the splitter works, vibration, impact, noise, dust, flying chips, rock particles and the like cannot be generated, and the surrounding environment cannot be greatly influenced; the splitting machine can continuously work, the repeated operation efficiency is high, and the operation and maintenance cost is low; the splitting direction and the splitting shape can be accurately determined in advance, and the splitting precision is high. Compared with the traditional rock crushing method, the rock splitter has the advantages of safety, environmental protection, economy, practicality and the like.

The splitting machine generally comprises a frame, a hydraulic pump station, a splitting machine head and the like, wherein the hydraulic pump station is arranged on the frame and is connected with a hydraulic oil cylinder on the machine head through an oil pipe, a piston rod of the hydraulic oil cylinder drives a middle wedge block to move forwards to prop side wedge blocks to two sides, and then static blasting is carried out on rocks.

The existing splitter mainly has the following problems: the side wedge block is directly arranged at the tail end of the connecting section, the side wedge block needs to bear large pressure and friction force during working, the side wedge block is a vulnerable component, the replacement period is relatively short, the whole connecting section needs to be detached and replaced by a new connecting section when the side wedge block is replaced by the conventional structure, the operation is inconvenient, material waste is caused, and the maintenance cost is increased; the whole weight of the machine head of the splitting machine is large, and the use is inconvenient; the side wedge blocks are reset by adopting reset springs, and the reset of the rear side wedge blocks is not timely and accurate enough, so that the preparation work before the splitting machine works is more, and the working efficiency is influenced; the force transmission of the middle wedge block is not stable enough, so that the abrasion of the side wedge blocks is aggravated.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a static blasting splitting machine of rock to at least, solve the problem that the operation is inconvenient, the maintenance cost is high is maintained in the change of side wedge block in the aircraft nose mechanism of the splitting machine among the prior art.

In order to realize the above-mentioned purpose, the utility model provides a static blasting splitting machine of rock, which comprises a vehicle rack, hydraulic power unit and aircraft nose structure, hydraulic power unit sets up on the frame, hydraulic power unit passes through oil pipe and aircraft nose structural connection, provide hydraulic oil for the aircraft nose structure, the aircraft nose structure includes hydraulic cylinder and linkage segment, hydraulic cylinder's end and linkage segment are connected, be equipped with a piston rod in the hydraulic cylinder, the piston rod stretches into in the linkage segment and is connected with a centre voussoir, the width of the one end that centre voussoir and piston rod are connected is greater than the width of its other end, the aircraft nose structure still includes a side voussoir mount pad, the terminal threaded connection of side voussoir mount pad and linkage segment, movable mounting has two side voussoirs on the side voussoir mount pad, centre vous.

Furthermore, the side wedge block is provided with a T-shaped convex strip, the middle wedge block is provided with a T-shaped groove matched with the T-shaped convex strip, and the middle wedge block and the side wedge block are in sliding connection through the T-shaped groove and the T-shaped convex strip.

Furthermore, the head of the piston rod is provided with a flange, the flange is connected with the inner wall of the hydraulic oil cylinder in a sliding and sealing mode, the tail end of an inner cavity of the hydraulic oil cylinder is provided with a sealing component, the piston rod penetrates through the sealing component and extends into the connecting section, and the piston rod is connected with the sealing component in a sliding and sealing mode.

Furthermore, a piston stabilizing component is fixedly arranged in the connecting section and is connected with the tail end of the piston rod in a sliding mode.

Furthermore, the flange divides the inner cavity of the hydraulic oil cylinder into a first oil injection cavity and a second oil injection cavity, the hydraulic oil cylinder is provided with a first oil injection port and a second oil injection port, the first oil injection port is communicated with the first oil injection cavity, the second oil injection port is communicated with the second oil injection cavity, and the first oil injection port and the second oil injection port are respectively connected with the hydraulic pump station through an oil pipe.

Furthermore, the piston rod is of a hollow structure, and one end of the piston rod close to the flange is open, so that the inner cavity of the piston rod is communicated with the first oil injection cavity.

By applying the technical scheme of the utility model, the end of the connecting section is connected with a side wedge block mounting seat through a thread, and two side wedge blocks are movably mounted on the side wedge block mounting seat; when the side wedge block is seriously worn and needs to be replaced, the side wedge block mounting seat and the side wedge block need to be screwed off from the tail end of the connecting section to replace the new side wedge block mounting seat and the new side wedge block, and the whole connecting section does not need to be disassembled and replaced. The utility model discloses a when rock static blasting splitter's aircraft nose structure needs to change the side voussoir, convenient operation, the maintenance cost is low are maintained in the dismouting.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic diagram of a structure of a splitter according to an embodiment of the present invention.

Fig. 2 is an internal schematic view of a structure of a machine head in a splitter according to an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of a middle wedge block and a side wedge block in the splitter according to the embodiment of the present invention.

Fig. 4 is a schematic cross-sectional view of a side wedge block in the splitter according to an embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view of a center wedge in the cleaving machine according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a hydraulic cylinder; 11. a piston rod; 12. a sealing member; 13. a first oil injection cavity; 14. a second oil injection cavity; 15. a first oil fill port; 16. a second oil fill port; 20. a connecting section; 30. a middle wedge block; 31. a T-shaped groove; 40. a side wedge block mounting seat; 50. a side wedge; 51. t-shaped convex strips; 60. a piston stabilizing assembly; 100. a frame; 200. and a hydraulic pump station.

Detailed Description

To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather the intention is merely to facilitate a distinction between corresponding parts. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

Referring to fig. 1 to 5, a static blasting splitter for rock according to an embodiment of the present invention includes a frame 100, a hydraulic pump station 200 and a machine head structure. Wherein, hydraulic power unit 200 sets up on frame 100, and hydraulic power unit 200 passes through oil pipe and aircraft nose structural connection, provides hydraulic oil for the aircraft nose structure. The machine head structure comprises a hydraulic oil cylinder 10 and a connecting section 20, wherein the tail end of the hydraulic oil cylinder 10 is connected with the connecting section 20, a piston rod 11 is arranged in the hydraulic oil cylinder 10, the piston rod 11 extends into the connecting section 20 to be connected with a middle wedge block 30, and the width of one end, connected with the piston rod 11, of the middle wedge block 30 is larger than that of the other end of the middle wedge block 30. The nose structure further comprises a side wedge block mounting seat 40, wherein the side wedge block mounting seat 40 is in threaded connection with the tail end of the connecting section 20, two side wedge blocks 50 are movably mounted on the side wedge block mounting seat 40, and the middle wedge block 30 is inserted between the two side wedge blocks 50.

In the static blasting splitter for rocks, a side wedge block mounting seat 40 is connected to the tail end of the connecting section 20 in a threaded manner, and two side wedge blocks 50 are movably mounted on the side wedge block mounting seat 40; when the side wedges 50 are worn out seriously and need to be replaced, the side wedge mounting seat 40 is unscrewed from the tail end of the connecting section 20 to replace the new side wedge mounting seat 40 and the new side wedge 50, and the whole connecting section 20 does not need to be disassembled and replaced. When the machine head structure in the rock static blasting splitter needs to replace the side wedge blocks 50, the disassembly, assembly and maintenance are convenient to operate, and the maintenance cost is low.

In the head structure of the existing splitter, the end of the connecting section 20 is usually provided with a reset spring, after the operation is finished, the two side wedge blocks 50 are folded through the reset spring, the reset of the side wedge blocks is not timely and accurate enough after the mode is used, so that more preparation work before the splitter works is caused, and the working efficiency is influenced. In order to solve this problem, referring to fig. 3, 4 and 5, in the present embodiment, the side wedge 50 is provided with a T-shaped protrusion 51, the middle wedge 30 is provided with a T-shaped groove 31 matching with the T-shaped protrusion 51, and the middle wedge 30 and the side wedge 50 are slidably connected through the T-shaped groove 31 and the T-shaped protrusion 51. So set up, middle voussoir 30 links together with side voussoir 50, and middle voussoir 30 moves backward after the operation, drives two side voussoir 50 simultaneously and folds for two side voussoir 50 can be in time, accurately reset.

Specifically, in this embodiment, the head of the piston rod 11 is provided with a flange 111, the flange 111 is connected with the inner wall of the hydraulic cylinder 10 in a sliding and sealing manner, a sealing member 12 is arranged at the end of the inner cavity of the hydraulic cylinder 10, the piston rod 11 passes through the sealing member 12 and extends into the connecting section 20, and the piston rod 11 is connected with the sealing member 12 in a sliding and sealing manner. By the arrangement, the stability of the action of the piston rod 11 can be improved, and the hydraulic oil can be effectively prevented from leaking.

In order to further improve the stability of the action of the piston rod 11, and thus the force transmission of the center wedge 30, and reduce the wear of the side wedges 50, in the present embodiment, referring to fig. 2, a piston stabilizer assembly 60 is fixedly disposed in the connecting section 20, and the piston stabilizer assembly 60 is slidably connected to the end of the piston rod 11.

Referring to fig. 1 and 2, in the present embodiment, the flange 111 divides the inner cavity of the hydraulic cylinder 10 into a first oil injection cavity 13 and a second oil injection cavity 14, a first oil injection port 15 and a second oil injection port 16 are provided on the hydraulic cylinder 10, the first oil injection port 15 is communicated with the first oil injection cavity 13, the second oil injection port 16 is communicated with the second oil injection cavity 14, and the first oil injection port 15 and the second oil injection port 16 are respectively connected with the hydraulic pump station 200 through an oil pipe. During operation, hydraulic oil is introduced into the first oil injection cavity 13 through the first oil injection port 15, and simultaneously hydraulic oil in the second oil injection cavity 14 is discharged through the second oil injection port 16, so that the piston rod 11 moves forward under the action of the hydraulic oil in the first oil injection cavity 13, and the two side wedges 50 are pushed and opened outwards. The hydraulic pump station 200 controls the injection and removal of hydraulic oil in the hydraulic cylinder 10.

In order to reduce the weight of the entire handpiece structure, referring to fig. 2, in the present embodiment, the piston rod 11 is preferably a hollow structure, and one end of the piston rod 11 near the flange 111 is open, so that the inner cavity of the piston rod 11 communicates with the first oil injection cavity 13. Therefore, the whole weight of the machine head structure is reduced, the operation is more convenient, and materials are saved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a static blasting splitting machine of rock, includes frame (100), hydraulic power unit (200) and aircraft nose structure, hydraulic power unit (200) set up on frame (100), hydraulic power unit (200) pass through oil pipe with aircraft nose structural connection, for the aircraft nose structure provides hydraulic oil, the aircraft nose structure includes hydraulic cylinder (10) and linkage segment (20), hydraulic cylinder (10) the end with linkage segment (20) are connected, be equipped with a piston rod (11) in hydraulic cylinder (10), piston rod (11) stretch into be connected with a centre voussoir (30) in linkage segment (20), centre voussoir (30) with the width of the one end that piston rod (11) are connected is greater than the width of its other end, its characterized in that, the aircraft nose structure still includes one side voussoir mount pad (40), side voussoir mount pad (40) with the end threaded connection of linkage segment (20), two side wedges (50) are movably mounted on the side wedge mounting seat (40), and the middle wedge (30) is inserted between the two side wedges (50).

2. The static rock blasting splitter according to claim 1, wherein the side wedge (50) is provided with a T-shaped rib (51), the middle wedge (30) is provided with a T-shaped groove (31) matched with the T-shaped rib (51), and the middle wedge (30) and the side wedge (50) are slidably connected through the T-shaped groove (31) and the T-shaped rib (51).

3. The static rock blasting splitter according to claim 1, wherein the head of the piston rod (11) is provided with a flange (111), the flange (111) is connected with the inner wall of the hydraulic oil cylinder (10) in a sliding and sealing manner, the end of the inner cavity of the hydraulic oil cylinder (10) is provided with a sealing part (12), the piston rod (11) penetrates through the sealing part (12) and extends into the connecting section (20), and the piston rod (11) is connected with the sealing part (12) in a sliding and sealing manner.

4. The rock static blasting splitter according to claim 3, characterized in that a piston stabilizing assembly (60) is fixedly arranged in the connecting section (20), and the piston stabilizing assembly (60) is slidably connected with the end of the piston rod (11).

5. The rock static blasting splitter according to claim 3, wherein the flange (111) separates the inner cavity of the hydraulic oil cylinder (10) into a first oil injection cavity (13) and a second oil injection cavity (14), the hydraulic oil cylinder (10) is provided with a first oil injection port (15) and a second oil injection port (16), the first oil injection port (15) is communicated with the first oil injection cavity (13), the second oil injection port (16) is communicated with the second oil injection cavity (14), and the first oil injection port (15) and the second oil injection port (16) are respectively connected with the hydraulic pump station (200) through an oil pipe.

6. The rock static blasting splitter according to claim 5, characterized in that the piston rod (11) is a hollow structure, and one end of the piston rod (11) near the flange (111) is open, so that the inner cavity of the piston rod (11) is communicated with the first oil injection cavity (13).