CN216517985U

CN216517985U - Coal mining machine body connection reinforcing device

Info

Publication number: CN216517985U
Application number: CN202123258993.7U
Authority: CN
Inventors: 郭洪雷; 骆星疆; 冯兆伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-13
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a coal mining machine body connection reinforcing device which comprises an electric cabinet and a traction box, wherein a connecting mechanism, a power mechanism and a reinforcing mechanism are arranged between the electric cabinet and the traction box, the connecting mechanism is formed by fixedly connecting a group of arc-shaped outer plates to one side of the electric cabinet, a clamping groove is formed between the group of arc-shaped outer plates, a connecting seat is fixedly connected to one side of the traction box close to the electric cabinet, an arc-shaped inner plate is fixedly connected to the other side of the connecting seat, and arc bosses are fixedly connected to the outer walls of two sides of the arc-shaped inner plate. According to the utility model, through the arranged connecting mechanism, the arc-shaped inner plates are clamped in the arc-shaped outer plates, so that the electric control box and the traction box are fixed under the combined action of the mounting rod and the first bolt, the situation that the connection part of the electric control box and the traction box is weak and the traction box is broken when frequently rotating is prevented, and meanwhile, the connection fixation between the electric control box and the traction box is further enhanced by the arranged arc bosses and the arc grooves, and the stability of the device in use is improved.

Description

Coal mining machine body connection reinforcing device

Technical Field

The utility model relates to the technical field of coal mining equipment, in particular to a connection reinforcing device for a coal mining machine body.

Background

The coal mining machine is a large-scale complex system integrating machinery, electricity and hydraulic pressure, the functions of the coal mining machine are coal dropping and coal charging, along with the development of the coal industry, the functions of the coal mining machine are more and more, the structure and the composition of the coal mining machine are more and more complex, the working environment is severe, the reason of the fault is complex, and if the fault occurs, the whole coal mining work is interrupted, so that huge economic loss is caused.

In the working process of the coal mining machine, the rocker arm and the traction part of the coal mining machine can bear larger impact force, larger traction torque can exist between the central electric cabinet and the traction boxes on two sides, the coal mining machine can cause the fixed connecting bolt between the electric cabinet and the traction boxes on two sides to be loosened after being used for a long time, and the coal mining machine cannot work normally even if the bolt is twisted off. Therefore, a strengthening device for connecting the body of a coal mining machine is needed to solve such problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a coal mining machine body connection reinforcing device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a coal-winning machine fuselage connects and strengthens device, including electric cabinet and traction box, electric cabinet and traction box are provided with coupling mechanism between the case, power unit and strengthening mechanism, coupling mechanism is a set of arc planking of electric cabinet one side fixedly connected with, form the draw-in groove between a set of arc planking, one side fixedly connected with connecting seat that traction box is close to the electric cabinet, connecting seat opposite side fixedly connected with arc inner panel, the equal fixedly connected with circular arc boss of arc inner panel both sides outer wall, the circular arc recess has all been seted up to a set of arc planking inner wall, circular arc boss both sides and circular arc recess both sides in close contact with, the mounting groove has all been seted up with the centre of a circle department of arc inner panel to the arc planking, the mounting groove inner wall rotates and is connected with same installation pole.

Preferably, the inner walls of the two ends of the installation rod are all meshed with first bolts, the outer walls of the two sides of the arc-shaped outer plate are all provided with invisible grooves, and one sides of the first bolts are all in close contact with the inner walls of the invisible grooves.

Preferably, the power mechanism is that a set of first connecting pieces and a set of second connecting pieces are fixedly connected with the top of the electric cabinet and the top of the traction box respectively, the inner walls of the set of first connecting pieces and the set of second connecting pieces are rotatably connected with first bearing pieces, and the same hydraulic rod is fixedly connected with the set of first bearing pieces.

Preferably, a plurality of second bolts are fixedly connected between the bottoms of the first connecting piece and the second connecting piece and between the electric cabinet and the traction box.

Preferably, strengthening mechanism is the equal fixedly connected with multiunit right angle fixed block of electric cabinet and traction box outer wall, the equal fixedly connected with riser in right angle fixed block top, the same branch of a set of riser inner wall fixedly connected with, the branch outer wall rotates and is connected with the bearing pipe, bearing pipe outer wall fixedly connected with second bearing spare, the same steel cable of fixedly connected with between a set of second bearing spare.

Preferably, the right-angle fixing block is located at the right-angle side of the top of the electric cabinet and the traction box, the vertical section of the right-angle fixing block is fixedly connected with third bolts at the two sides of the electric cabinet and the traction box, and the horizontal section of the right-angle fixing block is fixedly connected with fourth bolts at the top of the electric cabinet and the traction box.

Preferably, the outer wall of one side of the traction box is provided with a fixing groove, the inner wall of the fixing groove is fixedly connected with a rectangular mounting plate, the outer wall of the rectangular mounting plate is fixedly connected with a rectangular sleeve plate, and the outer wall of the rectangular sleeve plate and the inner wall of the fixing groove are fixedly connected with a third bolt and a fourth bolt.

The utility model has the beneficial effects that:

1. the arc-shaped inner plates are clamped in the arc-shaped outer plates through the arranged connecting mechanism, so that the electric cabinet and the traction box are fixed under the combined action of the mounting rod and the first bolt, the situation that the joint of the electric cabinet and the traction box is weak and the connection is broken when the traction box rotates frequently is prevented, and meanwhile, the connection fixation between the electric cabinet and the traction box is further enhanced through the arranged arc bosses and the arc grooves, and the stability of the device in use is improved;

2. through the arranged power mechanism, the rotation of the traction box can be assisted by the working of a group of hydraulic rods, the fracture caused by uneven stress of a bearing part and a non-bearing part when the traction box rotates under single stress is avoided, partial coal mining impact force can be offset for each connecting part when the coal mining machine works, the original connecting component bears less impact force and torsional moment, meanwhile, the first connecting part and the second connecting part are independently arranged, the stress uniformity can be enhanced, the device can still normally work when one hydraulic rod and one connecting part are damaged, and the damage to the overall working efficiency of the coal mining machine is reduced;

3. by the aid of the reinforcing mechanism, the overall connection strength and reliability of the coal mining machine are improved by the aid of the steel ropes, the bearing pipes and the second bearing piece, so that the situation that similar connecting bolts are twisted off can be avoided, overhaul times of equipment are reduced, consumption of corresponding accessories is reduced, and the service life of the equipment is prolonged;

3. through the fixed slot and the rectangle mounting panel that set up, improve the fixity between rectangle lagging, riser and the traction box, prevent that strengthening mechanism from only relying on third bolt and fourth bolt can not reach the atress requirement and leading to right angle fixed block and riser to take place to damage when the atress is stronger, can share the atress for third, fourth bolt.

Drawings

Fig. 1 is a schematic overall structure diagram of a coal mining machine body connection reinforcing device provided in embodiment 1;

fig. 2 is a schematic structural diagram of a connection mechanism of a coal mining machine body connection reinforcing device provided in embodiment 1;

fig. 3 is a partial structural schematic diagram of a reinforcing mechanism of a body connection reinforcing device of a coal mining machine provided in embodiment 2.

In the drawings: 1. an electric cabinet; 2. a traction box; 3. an arc-shaped outer plate; 4. a card slot; 5. a connecting seat; 6. an arc-shaped inner plate; 7. a circular arc boss; 8. a circular arc groove; 9. mounting grooves; 10. a hidden slot; 11. mounting a rod; 12. a first bolt; 13. a first connecting member; 14. a second connecting member; 15. a first force bearing member; 16. a hydraulic lever; 17. a second bolt; 18. a right-angle fixing block; 19. a vertical plate; 20. a strut; 21. a bearing pipe; 22. a second force-bearing member; 23. a steel cord; 24. a third bolt; 25. a fourth bolt; 26. fixing grooves; 27. a rectangular sheathing board; 28. a rectangular mounting plate.

Detailed Description

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a coal-winning machine fuselage connection strengthens device, including electric cabinet 1 and traction box 2, be provided with coupling mechanism, power unit and strengthening mechanism between electric cabinet 1 and the traction box 2, coupling mechanism is 1 one side fixedly connected with a set of arc planking 3 of electric cabinet, form draw-in groove 4 between a set of arc planking 3, traction box 2 is close to one side fixedly connected with connecting seat 5 of electric cabinet 1, 5 opposite side fixedly connected with arc inner panel 6 of connecting seat, the equal fixedly connected with circular arc boss 7 of arc inner panel 6 both sides outer wall, circular arc recess 8 has all been seted up to 3 inner walls of a set of arc planking, circular arc boss 7 both sides and the both sides in close contact with of circular arc recess 8, mounting groove 9 has all been seted up in the centre of a circle department of arc planking 3 and arc inner panel 6, the inner wall of mounting groove 9 rotates and is connected with same erection rod 11.

Meanwhile, the inner walls of two ends of the installation rod 11 are all engaged and connected with first bolts 12, the outer walls of two sides of the arc-shaped outer plate 3 are all provided with hidden grooves 10, one side of each first bolt 12 is closely contacted with the inner wall of the hidden groove 10, the power mechanism is that the top parts of the electric cabinet 1 and the traction box 2 are respectively and fixedly connected with a group of first connecting pieces 13 and a group of second connecting pieces 14, the inner walls of the group of first connecting pieces 13 and the group of second connecting pieces 14 are respectively and rotatably connected with first force bearing pieces 15, the same hydraulic rod 16 is fixedly connected in front of the group of first force bearing pieces 15, a plurality of second bolts 17 are respectively and fixedly connected between the bottoms of the first connecting pieces 13 and the second connecting pieces 14 and the electric cabinet 1 and the traction box 2, the reinforcing mechanism is that the outer walls of the electric cabinet 1 and the traction box 2 are respectively and fixedly connected with a plurality of right-angle fixing blocks 18, the top parts of the right-angle fixing blocks 18 are respectively and fixedly connected with vertical plates 19, and the inner walls of the group of vertical plates 19 are fixedly connected with the same supporting rod 20, the outer wall of the supporting rod 20 is rotatably connected with a bearing pipe 21, the outer wall of the bearing pipe 21 is fixedly connected with a second bearing part 22, a same steel rope 23 is fixedly connected between the second bearing parts 22, the right-angle fixing block 18 is located on the right-angle side of the top of the electric cabinet 1 and the traction box 2, the vertical section of the right-angle fixing block 18 is fixedly connected with third bolts 24 on the two sides of the electric cabinet 1 and the traction box 2, and the horizontal section of the right-angle fixing block 18 is fixedly connected with fourth bolts 25 on the top of the electric cabinet 1 and the traction box 2.

The working principle is as follows: when in use, the arc inner plate 6 and the clamping groove 4 between the arc outer plates 3 are fixed, the arc boss 7 is clamped into the arc groove 8, the mounting rod 11 is inserted into the mounting groove 9 of the arc inner plate 6 and the arc outer plates 3, the first bolt 12 is fixed at two ends of the mounting rod 11, the electric cabinet 1 is connected with the traction box 2, the first connecting piece 13 and the second connecting piece 14 are respectively fixed with the top of the electric cabinet 1 and the top of the traction box 2 through the second bolt 17, the same hydraulic rod 16 is rotatably connected between the first connecting piece 13 and the second connecting piece 14, the group of hydraulic rods 16 are simultaneously started to assist the rotation of the traction box 2, the right-angle fixing block 18 is fixed with the outer walls of the electric cabinet 1 and the traction box 2 through the third bolt 24 and the fourth bolt 25, the steel rope 23 is fixedly connected with the outer wall of the group of bearing pipes 21, so that the integral connection strength and reliability of the coal mining machine are improved, thereby can avoid taking place the condition that similar connecting bolt is twisted off, reduce equipment overhaul number of times, reduce the consumption of corresponding accessory, prolong the life of equipment simultaneously.

Example 2

Referring to fig. 3, in the present embodiment, compared with embodiment 1, a fixing groove 26 is formed in an outer wall of one side of the traction box 2, a rectangular mounting plate 28 is fixedly connected to an inner wall of the fixing groove 26, a rectangular sleeve plate 27 is fixedly connected to an outer wall of the rectangular mounting plate 28, and a third bolt 24 and a fourth bolt 25 are fixedly connected to an outer wall of the rectangular sleeve plate 27 and an inner wall of the fixing groove 26.

The working principle is as follows: during the use, through fixed slot 26 and the rectangle mounting panel 28 that sets up, improve the fixity between rectangle lagging 27, riser 19 and the traction box 2, prevent that strengthening mechanism from only relying on third bolt 24 and fourth bolt 25 can not reach the atress requirement and leading to right angle fixed block 18 and riser 19 to take place to damage when the atress is stronger, can share the atress for third bolt 24, fourth bolt 25.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A connection strengthening device for a coal mining machine body comprises an electric cabinet (1) and a traction box (2), wherein a connecting mechanism, a power mechanism and a strengthening mechanism are arranged between the electric cabinet (1) and the traction box (2), the connection strengthening device is characterized in that one side of the electric cabinet (1) is fixedly connected with a group of arc-shaped outer plates (3), a clamping groove (4) is formed between the group of arc-shaped outer plates (3), one side of the traction box (2) close to the electric cabinet (1) is fixedly connected with a connecting seat (5), the other side of the connecting seat (5) is fixedly connected with an arc-shaped inner plate (6), arc bosses (7) are fixedly connected with the outer walls on the two sides of the arc-shaped inner plate (6), arc grooves (8) are formed in the inner wall of the group of arc-shaped outer plates (3), the two sides of the arc bosses (7) are in close contact with the two sides of the arc grooves (8), and mounting grooves (9) are formed in the circle centers of the arc-shaped outer plates (3) and the arc-shaped inner plate (6), the inner wall of the mounting groove (9) is rotatably connected with the same mounting rod (11).

2. The connection strengthening device for the body of the coal mining machine according to claim 1, characterized in that the inner walls of the two ends of the installation rod (11) are respectively engaged and connected with a first bolt (12), the outer walls of the two sides of the arc-shaped outer plate (3) are respectively provided with a hidden groove (10), and one side of each first bolt (12) is tightly contacted with the inner wall of the hidden groove (10).

3. The coal mining machine body connection reinforcing device according to claim 1, wherein the power mechanism is characterized in that a group of first connecting pieces (13) and a group of second connecting pieces (14) are fixedly connected to the tops of the electric cabinet (1) and the traction box (2) respectively, the inner walls of the group of first connecting pieces (13) and the group of second connecting pieces (14) are rotatably connected with first force bearing pieces (15), and the same hydraulic rod (16) is fixedly connected in front of the group of first force bearing pieces (15).

4. The connection strengthening device for the body of the coal mining machine according to claim 3, characterized in that a plurality of second bolts (17) are fixedly connected between the bottoms of the first connecting piece (13) and the second connecting piece (14) and between the electric cabinet (1) and the traction box (2).

5. The coal mining machine body connection reinforcing device according to claim 1, characterized in that the reinforcing mechanism is formed by fixedly connecting a plurality of groups of right-angle fixing blocks (18) to the outer walls of the electric cabinet (1) and the traction box (2), fixedly connecting risers (19) to the tops of the right-angle fixing blocks (18), fixedly connecting the same support rod (20) to the inner wall of the riser (19), rotatably connecting the outer wall of the support rod (20) with a bearing pipe (21), fixedly connecting the outer wall of the bearing pipe (21) with second bearing parts (22), and fixedly connecting the same steel rope (23) between the second bearing parts (22).

6. The connection reinforcing device for the body of the coal mining machine according to claim 5, characterized in that the right-angle fixing block (18) is positioned on the right-angle side of the tops of the electric cabinet (1) and the traction box (2), the vertical section of the right-angle fixing block (18) is fixedly connected with third bolts (24) on the two sides of the electric cabinet (1) and the traction box (2), and the horizontal section of the right-angle fixing block (18) is fixedly connected with fourth bolts (25) on the tops of the electric cabinet (1) and the traction box (2).

7. The body connection reinforcing device for the coal mining machine according to claim 5, characterized in that a fixing groove (26) is formed in the outer wall of one side of the traction box (2), a rectangular mounting plate (28) is fixedly connected to the inner wall of the fixing groove (26), a rectangular sleeve plate (27) is fixedly connected to the outer wall of the rectangular mounting plate (28), and a third bolt (24) and a fourth bolt (25) are fixedly connected to the outer wall of the rectangular sleeve plate (27) and the inner wall of the fixing groove (26).