Volume-adjustable shovel plate mechanism and heading machine

Abstract

The utility model discloses a shovel plate mechanism with adjustable capacity and a heading machine, and relates to the technical field of heading machines, the shovel plate mechanism comprises a heading machine body and a shovel plate assembly, the shovel plate assembly comprises a main shovel plate, a star wheel is arranged on the surface of the main shovel plate, a containing cavity is formed in the main shovel plate, and the star wheel is arranged in the containing cavity. A hydraulic oil cylinder is fixedly installed in the containing cavity, two sets of auxiliary shovel plates are movably installed at the end of the hydraulic oil cylinder, the auxiliary shovel plates are symmetrically arranged on the two sides of the main shovel plate, a protection assembly is movably installed on the surface of the shovel plate assembly, and a box body is fixedly connected to the end of the hydraulic oil cylinder. The back face of the auxiliary shovel plate is fixedly connected with a connecting block, and positioning holes are formed in the top of the connecting block and the top of the box body. The auxiliary shovel plate is arranged in the main shovel plate and is ejected out through the hydraulic oil cylinder, so that the use range of the shovel plate assembly is expanded, the capacity of the shovel plate is increased, and the auxiliary shovel plate is fast to disassemble and assemble and convenient for people to use.

Description

Technical Field

[0001] The utility model relates to the technical field of tunneling machines, in particular to a shovel mechanism with adjustable capacity and a tunneling machine. Background Art

[0002] Roadheaders are an indispensable comprehensive equipment for underground coal mine operations. The roadheader shovel is mainly used for collecting and transporting materials during tunnel excavation and is the main loading mechanism of the roadheader.

[0003] However, in the prior art, the shovel plates of the tunnel boring machines are mostly of integrated design, and the width of the shovel plates cannot be flexibly adjusted, so that the shoveling range of the shovel plates is limited, thereby reducing the use effect of the equipment and affecting the construction progress.

[0004] Therefore, it is urgent to improve this shortcoming. The utility model studies and improves the existing structural deficiencies and provides a shovel mechanism and a tunneling machine with adjustable capacity. Utility Model Content

[0005] The utility model aims to provide a shovel mechanism and a tunnel boring machine with adjustable capacity, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shovel mechanism with adjustable capacity, comprising a tunnel boring machine body and a shovel assembly, the shovel assembly comprising a main shovel, the surface of the main shovel is provided with a star wheel, an accommodating cavity is opened inside the main shovel, a hydraulic cylinder is fixedly installed inside the accommodating cavity, an auxiliary shovel is movably installed at the end of the hydraulic cylinder, the auxiliary shovel is numbered in two groups, and is symmetrically arranged on both sides of the main shovel, and a protective assembly is movably installed on the surface of the shovel assembly.

[0007] Furthermore, the end of the hydraulic cylinder is fixedly connected to a box body, and the back of the auxiliary shovel plate is fixedly connected to a connecting block. Positioning holes are provided on the top of the connecting block and the box body, and a positioning pin is inserted into the inside of the positioning hole. The connecting block is inserted into the box body, and then the positioning pin is inserted into the positioning hole to complete the docking installation of the two, which is convenient for disassembly and assembly.

[0008] Furthermore, the protective assembly includes a main protective baffle, and auxiliary protective baffles are arranged on both sides of the main protective baffle. The main protective baffle and the auxiliary protective baffle can prevent falling rocks or soil from above from hitting the shovel assembly, thereby achieving a good shielding and protective effect.

[0009] Furthermore, flexible rubber pads are bonded to the tops of the main protective baffle and the auxiliary protective baffle, and sponge pads are fixedly connected to the surfaces of the flexible rubber pads. The flexible rubber pads and sponge pads can provide a buffer for fallen rocks and soil blocks falling from above.

[0010] Furthermore, connecting columns are provided at the four corners of the bottom of the main protective baffle and the auxiliary protective baffle, and an insertion rod is provided below the connecting column. The surfaces of the main shovel plate and the auxiliary shovel plate are provided with docking holes, and the ends of the insertion rod and the inside of the docking hole are provided with magnetic suction plates. By inserting the provided insertion rod into the docking hole, the protective component can be quickly installed, and the provision of the magnetic suction plate makes the docking of the two more stable.

[0011] Furthermore, hinges are provided on both sides of the main protective baffle, and the auxiliary protective baffle forms a movable structure with the main protective baffle through the hinges. Through the set hinges, the two groups of auxiliary protective baffles can be flipped and adjusted, and can be flipped to fit the main protective baffle when the auxiliary shovel is not in use.

[0012] Furthermore, a buffer spring is provided at the end of the connecting column, and the bottom of the buffer spring is connected to the top of the insertion rod. The buffer spring, in conjunction with the flexible rubber pad and the sponge pad, can further buffer the fallen rocks and soil from above, thereby increasing the protective effect.

[0013] A tunneling machine is provided with the above-mentioned capacity-adjustable shovel mechanism.

[0014] The utility model provides a shovel mechanism and a tunnel boring machine with adjustable capacity, which have the following beneficial effects:

[0015] 1. The utility model expands the use range of the shovel plate assembly by disposing an auxiliary shovel plate in the main shovel plate and ejecting it through a hydraulic cylinder, thereby increasing the shovel plate capacity, and the auxiliary shovel plate can be quickly disassembled and assembled, making it easy for people to use.

[0016] 2. The utility model provides a protective component to prevent falling rocks or soil blocks from above from hitting the shovel assembly when the tunnel boring machine body is in use, thereby providing a good shielding and protective effect on the shovel assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a shovel mechanism with adjustable capacity and a tunnel boring machine of the utility model;

[0018] Figure 2 It is a schematic diagram of the external structure of a shovel mechanism with adjustable capacity and a shovel assembly of a tunnel boring machine according to the utility model;

[0019] Figure 3It is a schematic diagram of the side section structure of a shovel mechanism with adjustable capacity and a main shovel of a tunnel boring machine according to the utility model;

[0020] Figure 4 The utility model is a schematic diagram of a shovel mechanism with adjustable capacity and a protective component structure of a tunnel boring machine.

[0021] In the figure: 1. TBM body; 2. Shovel plate assembly; 201. Main shovel plate; 202. Star wheel; 203. Hydraulic cylinder; 204. Auxiliary shovel plate; 205. Box body; 206. Connecting block; 207. Positioning hole; 208. Positioning pin; 209. Docking hole; 3. Protective assembly; 301. Main protective baffle; 302. Flexible rubber pad; 303. Sponge pad; 304. Connecting column; 305. Buffer spring; 306. Insert rod; 307. Magnetic sheet; 308. Auxiliary protective baffle. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0023] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a shovel mechanism and a tunnel boring machine with adjustable capacity include a tunnel boring machine body 1 and a shovel assembly 2, the shovel assembly 2 includes a main shovel 201, a star wheel 202 is arranged on the surface of the main shovel 201, a receiving cavity is opened inside the main shovel 201, a hydraulic cylinder 203 is fixedly installed inside the receiving cavity, an auxiliary shovel 204 is movably installed at the end of the hydraulic cylinder 203, the number of the auxiliary shovels 204 is two groups, and they are symmetrically arranged on both sides of the main shovel 201, a protective assembly 3 is movably installed on the surface of the shovel assembly 2, and the auxiliary shovel 204 arranged in the main shovel 201 is ejected by the hydraulic cylinder 203, thereby expanding the use range of the shovel assembly 2, thereby increasing the shovel capacity, which helps to speed up the construction progress.

[0024] like Figure 1-4As shown, the end of the hydraulic cylinder 203 is fixedly connected to the box body 205, and the back of the auxiliary shovel plate 204 is fixedly connected to the connecting block 206. The top of the connecting block 206 and the box body 205 are both provided with positioning holes 207, and the interior of the positioning hole 207 is plugged with a positioning pin 208. The connecting block 206 is inserted into the box body 205 through the setting, and then the positioning pin 208 is inserted into the positioning hole 207 to complete the docking installation of the two, which is convenient for disassembly and assembly. The protective component 3 includes a main protective baffle 301, and auxiliary protective baffles 301 are provided on both sides. The protective baffle 308 can prevent falling rocks or soil from above from hitting the shovel board assembly 2 by setting the main protective baffle 301 and the auxiliary protective baffle 308, and has a good shielding and protection effect. The tops of the main protective baffle 301 and the auxiliary protective baffle 308 are bonded with flexible rubber pads 302, and the surfaces of the flexible rubber pads 302 are fixedly connected with sponge pads 303. The flexible rubber pads 302 and the sponge pads 303 can buffer the falling rocks and soil from above. The main protective baffle 301 and the auxiliary protective baffle The four corners of the bottom of 308 are provided with connecting columns 304, and the lower part of the connecting columns 304 is provided with plug rods 306. The surfaces of the main shovel plate 201 and the auxiliary shovel plate 204 are provided with docking holes 209. The ends of the plug rods 306 and the inside of the docking holes 209 are provided with magnetic suction sheets 307. By inserting the provided plug rods 306 into the docking holes 209, the protective component 3 can be quickly installed. The provision of the magnetic suction sheets 307 makes the docking of the two more stable. Hinges are provided on both sides of the main protective baffle 301, and the auxiliary protective baffle 308 is connected by hinges. It forms a movable structure with the main protective baffle 301. Through the set hinges, the two sets of auxiliary protective baffles 308 can be flipped and adjusted. When the auxiliary shovel plate 204 is not in use, it can be flipped and fit together with the main protective baffle 301. A buffer spring 305 is provided at the end of the connecting column 304, and the bottom of the buffer spring 305 is connected to the top of the insertion rod 306. The buffer spring 305, in conjunction with the flexible rubber pad 302 and the sponge pad 303, can further buffer the fallen rocks and soil from above, thereby increasing the protective effect.

[0025] A tunnel boring machine is equipped with a shovel mechanism with adjustable capacity as described above. The auxiliary shovel 204 is arranged in the main shovel 201 and is pushed out by the hydraulic cylinder 203, thereby expanding the use range of the shovel assembly 2, thereby increasing the shovel capacity, and the auxiliary shovel 204 can be quickly disassembled and assembled, making it easy for people to use.

[0026] In summary, the shovel mechanism and tunnel boring machine with adjustable capacity are firstly based on Figures 1 to 4The structure shown in the figure is that the connecting block 206 on the back of the auxiliary shovel plate 204 is inserted into the box body 205, and then the positioning pin 208 is inserted into the positioning hole 207 to complete the docking installation. When it is needed, the auxiliary shovel plate 204 is pushed out by the hydraulic cylinder 203, which expands the use range of the shovel plate assembly 2, thereby increasing the shovel plate capacity. When the tunnel boring machine body 1 is in use, the fallen rocks and soil blocks above will fall onto the main protective baffle 301 and the auxiliary protective baffle 308. Due to the flexible rubber pads 302 and sponge pads 303 arranged on the top of the two, combined with the use of buffer springs 305, it can further buffer the fallen rocks and soil blocks falling from above, thereby increasing the protective effect.

[0027] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A shovel mechanism with adjustable capacity, comprising a roadheader body (1) and a shovel assembly (2), characterized in that: The shovel plate assembly (2) comprises a main shovel plate (201), a star wheel (202) is arranged on the surface of the main shovel plate (201), a receiving cavity is opened inside the main shovel plate (201), a hydraulic cylinder (203) is fixedly installed inside the receiving cavity, and an auxiliary shovel plate (204) is movably installed at the end of the hydraulic cylinder (203), the auxiliary shovel plates (204) are in two groups and are symmetrically arranged on both sides of the main shovel plate (201), and a protective assembly (3) is movably installed on the surface of the shovel plate assembly (2).

2. The capacity-adjustable shovel mechanism according to claim 1, characterized in that: The end of the hydraulic cylinder (203) is fixedly connected to a box body (205), the back of the auxiliary shovel plate (204) is fixedly connected to a connecting block (206), the tops of the connecting block (206) and the box body (205) are both provided with positioning holes (207), and a positioning pin (208) is inserted into the interior of the positioning hole (207).

3. The capacity-adjustable shovel mechanism according to claim 1, characterized in that: The protection assembly (3) comprises a main protection baffle (301), and auxiliary protection baffles (308) are arranged on both sides of the main protection baffle (301).

4. The capacity-adjustable shovel mechanism according to claim 3, characterized in that: A flexible rubber pad (302) is bonded to the top of the main protective baffle (301) and the auxiliary protective baffle (308), and a sponge pad (303) is fixedly connected to the surface of the flexible rubber pad (302).

5. The capacity-adjustable shovel mechanism according to claim 3, characterized in that: The main protective baffle (301) and the auxiliary protective baffle (308) are provided with connecting columns (304) at the four corners of the bottom, and an insertion rod (306) is provided below the connecting column (304). The surfaces of the main shovel plate (201) and the auxiliary shovel plate (204) are provided with docking holes (209), and the ends of the insertion rod (306) and the inside of the docking holes (209) are provided with magnetic suction sheets (307).

6. The capacity-adjustable shovel mechanism according to claim 3, characterized in that: Hinges are arranged on both sides of the main protective baffle (301), and the auxiliary protective baffle (308) forms a movable structure with the main protective baffle (301) through the hinges.

7. The capacity-adjustable shovel mechanism according to claim 5, characterized in that: A buffer spring (305) is provided at the end of the connecting column (304), and the bottom of the buffer spring (305) is connected to the top of the insertion rod (306).

8. A tunnel boring machine, characterized in that: The tunnel boring machine is equipped with a shovel mechanism with adjustable capacity as described in any one of claims 1-7.

Images