Welding and positioning device for cutting pick holder of roller of coal mining machine

Abstract

The utility model provides a coal cutter roller cutting pick holder welding positioning device, which belongs to the technical field of mine equipment maintenance and comprises a cross beam, a first hinge block, a second hinge block and a third hinge block are sequentially mounted on the cross beam through fasteners, and a center rod is mounted at the bottom of the first hinge block through a fastener. A fixing base is installed at the bottom of the center rod, a first supporting rod is installed at the bottom of the second hinge block through a fastener, a fourth hinge block is installed at the bottom of the first supporting rod through a fastener, a second supporting rod is installed on the fourth hinge block, an adjusting rod is installed at the bottom of the third hinge block through a fastener, and a sliding block is installed on the adjusting rod. A rotary sleeve is installed on the side portion of the sliding block and connected with a cutting tooth tire. The angle of the original designed pick holder can be moved and positioned to a damaged part, the welding positioning precision of the pick holder is improved, and the maintenance quality of a roller is improved, so that the pick consumption of a coal mining machine is reduced, and the comprehensive economic benefit of coal mining production is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine equipment maintenance technical field, concretely relates to a kind of coal winning machine drum cutting pick seat welding positioning device. BACKGROUND

[0002] Coal winning machine is one of the most main equipment in fully mechanized working face, and it realizes coal cutting, coal breaking, coal falling and coal loading function using drum. After long time operation, tooth seat on drum is prone to wear and damage due to bearing huge cutting load and coal wall friction, in order to ensure normal working efficiency and production safety of coal winning machine, worn tooth seat needs to be replaced and repaired, i.e. damaged tooth seat is cut off, and new piece is welded again.

[0003] However, in the replacement and repair process, due to the complex structure and working environment of drum, it is difficult to accurately judge the rotation direction and angle of the tooth seat to be repaired, and the wrong rotation direction and angle will lead to that tooth seat cannot meet design requirements in welding positioning, which affects cutting effect and loading performance of coal winning machine, and further affects working efficiency of coal winning machine. SUMMARY

[0004] The utility model aims at providing a kind of coal winning machine drum cutting pick seat welding positioning device to overcome the problems in prior art, the utility model can move and position the angle of original design tooth seat to damaged part, improve the welding positioning precision of cutting pick seat, improve drum repair quality, thereby reduce coal winning machine pick consumption, increase comprehensive economic benefit of coal production.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kind of coal winning machine drum cutting pick seat welding positioning device, including crossbeam, first hinged block, second hinged block and third hinged block are sequentially installed on crossbeam by fastener;

[0007] The bottom of the first hinged block is installed with a center rod by fastener, and the bottom of the center rod is installed with a fixed seat;

[0008] The bottom of the second hinged block is installed with a first support rod by fastener, and the bottom of the first support rod is installed with a fourth hinged block by fastener, and the fourth hinged block is installed with a second support rod;

[0009] The bottom of the third hinged block is installed with an adjusting rod by fastener, and the adjusting rod is installed with a sliding block, and the side of the sliding block is installed with a rotating sleeve, and the rotating sleeve is connected with a cutting pick tire;

[0010] Further, the first hinged block, the second hinged block, the third hinged block and the fourth hinged block all include a first short pipe, and a second short pipe is welded in the middle of the first short pipe;

[0011] Further, the included angle between the first short pipe and the second short pipe is 90°.

[0012] Further, a plurality of fastening holes are formed on the first short pipe and the second short pipe, respectively.

[0013] Further, a center hole seat is arranged on the top of the fixing seat, and the center rod is connected to the fixing seat through the center hole seat.

[0014] Further, the size of the fixing seat matches the square hole of the roller to be repaired.

[0015] Further, a plurality of buckles are arranged on the four sides of the fixing seat, respectively.

[0016] Further, the thickness of the fixing seat is 30 mm.

[0017] Further, the diameters of the center rod, the cross beam and the adjusting rod are all 40 mm.

[0018] Further, the cutting tooth body comprises a cutting tooth, a cylinder is welded and fixed on the cutting tooth, and the cylinder is connected to the rotary sleeve.

[0019] The above technical scheme has the following advantages or beneficial effects:

[0020] The coal mining machine roller cutting tooth seat welding positioning device is characterized in that the cutting tooth body is installed in the rotary sleeve, the angle is adjusted, the cutting tooth seat is inserted into the roller to be repaired, the angle positioning of the cutting tooth seat is completed, the cross beam is rotated around the center rod to the cutting tooth seat to be welded, the new cutting tooth seat is installed to the cutting tooth body, the new part positioning is completed, the angle of the original design cutting tooth seat can be moved and positioned to the damaged part, the welding positioning precision of the cutting tooth seat and the roller repair quality are improved, the coal mining efficiency of the coal mining machine is ensured, meanwhile, the consumption of the cutting tooth of the coal mining machine is reduced, and the comprehensive economic benefit of the coal mining production is increased.

[0021] Further, the fastening holes are formed on the first short pipe and the second short pipe, respectively, so that the fasteners can be used to fasten and connect each part, and the stability of the device is improved.

[0022] Further, the plurality of buckles are arranged on the four sides of the fixing seat, respectively, so that the fixing seat can be placed on the square hole of the roller to be repaired without falling off, and the fixing of the device is realized.

[0023] Further, the cutting tooth body is arranged, the cylinder of the cutting tooth body is connected to the rotary sleeve, and the three-dimensional positioning of the damaged cutting tooth seat can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 FIG. 1 is a structural schematic view of the coal mining machine roller cutting tooth seat welding positioning device of the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the first hinge block, the second hinge block, the third hinge block, and the fourth hinge block of a welding positioning device for a coal mining machine drum cutting tooth seat according to the present invention.

[0026] Figure 3 This is a schematic diagram of the slider structure of a welding positioning device for a coal mining machine drum cutting tooth seat according to the present invention;

[0027] Figure 4 This is a schematic diagram of the sleeve structure of a welding positioning device for a coal mining machine drum cutting tooth seat according to the present invention;

[0028] Figure 5 This is a schematic diagram of the cutting tooth tire structure of a welding positioning device for a coal mining machine drum cutting tooth seat according to the present invention;

[0029] In the diagram, 1-fixed seat; 2-center rod; 3-crossbeam; 4-adjusting rod; 5-first hinge block; 51-second hinge block; 52-third hinge block; 53-fourth hinge block; 54-first short tube; 55-second short tube; 6-slider; 7-swivel sleeve; 8-cutting tooth jig; 81-cutting tooth; 82-cylinder; 9-first support rod; 91-second support rod. Detailed Implementation

[0030] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0031] In the description of this utility model, it should be understood that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be a component that is centrally positioned therein. When a component is considered to be "set" on another component, it can be directly set on the other component or there may be a component that is centrally positioned therein.

[0032] Furthermore, terms such as "long," "short," "inner," and "outer" indicate orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings. They are used only for the convenience of describing this utility model and do not indicate or imply that the device or component referred to must have this specific orientation or operate in a specific orientational configuration. Therefore, they should not be construed as limitations of this utility model.

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Example 1:

[0035] like Figure 1 and Figure 2 As shown, this utility model provides a welding and positioning device for the cutting tooth seat of a coal mining machine drum, including a crossbeam 3. A first hinge block 5, a second hinge block 51, and a third hinge block 52 are sequentially installed on the crossbeam 3 by fasteners. A center rod 2 is installed at the bottom of the first hinge block 5 by fasteners. A fixed seat 1 is installed at the bottom of the center rod 2. A center hole seat is provided at the top of the fixed seat 1. The center rod 2 is connected to the fixed seat 1 through the center hole seat. Several buckles are provided on the four sides of the fixed seat 1, and their size matches the square hole of the drum to be repaired. A first support rod 9 is installed at the bottom of the second hinge block 51 by fasteners. A fourth hinge block 53 is installed at the bottom of the first support rod 9 by fasteners. The second support rod 91 is installed on the fourth hinge block 53.

[0036] Preferably, the thickness of the fixing base 1 is 30 mm.

[0037] like Figure 3 , Figure 4 and Figure 5 As shown, an adjusting rod 4 is installed at the bottom of the third hinge block 52 by fasteners. A slider 6 is installed on the adjusting rod 4. A sleeve 7 is installed on the side of the slider 6. The sleeve 7 is connected to a cutting tooth 8. The cutting tooth 8 includes cutting teeth 81. A cylinder 82 is welded and fixed to the cutting teeth 81. The cylinder 82 is connected to the sleeve 7.

[0038] Preferably, the first hinge block 5, the second hinge block 51, the third hinge block 52 and the fourth hinge block 53 all include a first short pipe 54, and a second short pipe 55 is vertically welded to the middle of the first short pipe 54. Several fastening wire holes are opened on the first short pipe 54 and the second short pipe 55.

[0039] Preferably, the diameters of the center rod 2, the crossbeam 3, and the adjusting rod 4 are all 40 mm.

[0040] Example 2:

[0041] This utility model provides a welding and positioning device for a coal mining machine drum cutting tooth seat, including a fixed seat 1, a central rod 2, a crossbeam 3, an adjusting rod 4, a first hinge block 5, a second hinge block 51, a third hinge block 52, a fourth hinge block 53, a slider 6, a rotating sleeve 7, a cutting tooth jig 8, a first support rod 9, and a second support rod 91; the fixed seat 1 includes a central hole seat and a buckle; the first hinge block 5, the second hinge block 51, the third hinge block 52, and the fourth hinge block 53 each include a first short pipe 54 and a second short pipe 55; the cutting tooth jig 8 includes cutting teeth 81 and a cylinder 82.

[0042] like Figure 1 and Figure 2 As shown, the first hinge block 5, the second hinge block 51, and the third hinge block 52 are sequentially installed on the crossbeam 3 using fasteners. A center rod 2 is installed at the bottom of the second short tube 55 of the first hinge block 5 using fasteners. A fixing seat 1 is installed at the bottom of the center rod 2, and a center hole seat is provided at the top of the fixing seat 1. The center rod 2 is connected to the fixing seat 1 through the center hole seat. Two buckles are provided on each of the four sides of the fixing seat 1, allowing it to be placed flat into the square hole of the roller to be repaired and kept from falling off, thus fixing the device. It can also be manufactured according to the square holes of rollers of different sizes to complete the repair and fixing of various rollers. The size of the fixing seat 1 matches the square hole of the roller to be repaired. A first support rod 9 is installed at the bottom of the second short tube 55 of the second hinge block 51 using fasteners. The bottom of the first support rod 9 is installed inside the first short tube 54 of the fourth hinge block 53 using fasteners. The second short tube 55 of the fourth hinge block 53 is through which the second support rod 91 is installed, supporting the roller and rotating synchronously with the entire positioning device, thus supporting the entire positioning device.

[0043] Preferably, the fixing base 1 is a square steel plate with a thickness of 30 mm.

[0044] like Figure 3 , Figure 4 and Figure 5 As shown, the bottom of the second short tube 55 of the third hinge block 52 is fitted with an adjusting rod 4 by fasteners. A slider 6 is installed on the adjusting rod 4, which can move axially up and down and rotate left and right on the adjusting rod 4. A swivel sleeve 7 is installed on the side of the slider 6, which can achieve 360° rotation. The swivel sleeve 7 is connected to the cutting tooth jig 8, which includes cutting teeth 81. The cutting teeth 81 are welded to a fixed cylinder 82, which can be processed according to different models of tooth seats. The cylinder 82 is installed in the swivel sleeve 7, which can complete the three-dimensional positioning of the damaged tooth seat.

[0045] Preferably, the center rod 2, the crossbeam 3, and the adjusting rod 4 are all round steel with a diameter of 40 mm;

[0046] Preferably, the first short tube 54 and the second short tube 55 are respectively provided with two fastening screw holes, which can be used to connect and fasten the center rod 2, the crossbeam 3 and the adjusting rod 4 using fasteners;

[0047] Preferably, the fastener is an M16 bolt.

[0048] The structure and working principle of this utility model will be further explained below:

[0049] The purpose of this utility model is to provide a welding and positioning device for the cutting tooth seat of a coal mining machine drum. During the maintenance of the cutting drum of a coal mining machine, a relatively intact sample (tooth seat) is reserved for each angle of the tooth seat, and then the remaining tooth seats are cut off. During welding, firstly, the fixing seat 1 is installed onto the square connecting hole of the drum to be repaired, and then the center rod 2, crossbeam 3, adjusting rod 4, first hinge block 5, second hinge block 51, third hinge block 52, fourth hinge block 53, slider 6, and rotating sleeve 7 are installed as follows: Figure 1 The connection is performed as shown. A cutting tooth holder 8, matching the roller to be repaired, is installed on the rotating sleeve 7. The angle is adjusted, and it is inserted into the pre-reserved sample to complete the angle positioning of the tooth holder. Then, the cutting tooth holder 8 is pulled out, and the crossbeam is rotated around the central rod 2 to the location of the tooth holder to be welded. The new tooth holder is then installed onto the cutting tooth holder 8 to complete the positioning of the new part, and welding is performed. This utility model can move and position the angle of the original designed tooth holder to the damaged area, improving the welding positioning accuracy of the cutting tooth holder, enhancing the quality of roller repair, thereby reducing the consumption of cutting teeth in coal mining machines and increasing the overall economic benefits of coal mining production.

[0050] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A shearer drum pick holder welding positioning device, characterized in that, Including crossbeam (3), crossbeam (3) is installed with first articulated block (5), second articulated block (51) and third articulated block (52) in turn through fastener; The bottom of the first articulated block (5) is installed with a center rod (2) through fastener, and the bottom of the center rod (2) is installed with a fixed seat (1); The bottom of the second articulated block (51) is installed with a first support rod (9) through fastener, and the bottom of the first support rod (9) is installed with a fourth articulated block (53) through fastener, and the fourth articulated block (53) is installed with a second support rod (91); The bottom of the third articulated block (52) is installed with an adjusting rod (4) through fastener, the adjusting rod (4) is installed with a sliding block (6), the side of the sliding block (6) is installed with a rotating sleeve (7), and the rotating sleeve (7) is connected with a cutting tooth (8).

2. A shearer drum pick holder welding positioning device according to claim 1, characterized in that, The first articulated block (5), the second articulated block (51), the third articulated block (52) and the fourth articulated block (53) all include a first short pipe (54), and the middle of the first short pipe (54) is welded with a second short pipe (55).

3. A shearer drum pick holder welding positioning device according to claim 2, characterized in that, The included angle between the first short pipe (54) and the second short pipe (55) is 90°.

4. The shearer drum pick holder welding positioning device according to claim 2, characterized in that, A plurality of fastening wire holes are formed in the first short pipe (54) and the second short pipe (55) respectively.

5. The shearer drum pick holder welding positioning device according to claim 1, characterized in that, The top of the fixed seat (1) is provided with a center hole seat, and the center rod (2) is connected with the fixed seat (1) through the center hole seat.

6. The shearer drum pick holder welding positioning device according to claim 1, characterized in that, The size of the fixed seat (1) is matched with the square hole of the cylinder to be repaired.

7. The shearer drum pick holder welding positioning device according to claim 1, characterized in that, The four edges of the fixed seat (1) are respectively provided with a plurality of buckles.

8. A shearer drum pick holder welding positioning device according to claim 1, characterized in that, The thickness of the fixed seat (1) is 30 mm.

9. The shearer drum pick holder welding positioning device according to claim 1, characterized in that, The diameter of the center rod (2), the crossbeam (3) and the adjusting rod (4) is 40 mm.

10. The shearer drum pick holder welding positioning device according to claim 1, characterized in that, The cutting tooth (8) includes a cutting tooth (81), and the cutting tooth (81) is welded with a cylinder (82), and the cylinder (82) is connected with the rotating sleeve (7).

Images