CN214464146U - Braking device of coal mining machine - Google Patents
Braking device of coal mining machine Download PDFInfo
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- CN214464146U CN214464146U CN202120408999.9U CN202120408999U CN214464146U CN 214464146 U CN214464146 U CN 214464146U CN 202120408999 U CN202120408999 U CN 202120408999U CN 214464146 U CN214464146 U CN 214464146U
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- gear
- braking
- rod
- coal mining
- mining machine
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Abstract
The utility model discloses a coal-winning machine arresting gear belongs to coal-winning machine technical field, has solved current coal-winning machine braking and has had the poor problem of braking effect, and its technical essential is: including the coal-winning machine body, when braking, when first motor functions, make the second pivot on the worm wheel rotatory, thereby order about first pivot rotation on the first conical gear, first pivot drives the second gear rotatory, thereby order about first screw rod rotation on the first gear, make the contained angle between the first connecting rod change, order about the brake lever and drive first friction plate under the guide effect of sliding sleeve pole and fall on the track groove and brake, the good braking of coal-winning machine body has been realized, the second motor starts, order about the second screw rod rotation, make the contained angle between the second connecting rod change, order about the connecting plate and drive the second friction plate on the elastic extrusion spare under the guide effect of guide slide bar and carry out spacing braking, the slip of coal-winning machine body has been avoided, the advantage that braking effect is good has.
Description
Technical Field
The utility model relates to a coal-winning machine field specifically is a coal-winning machine arresting gear is related to.
Background
Nowadays, 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, and the reasons for the faults are also complicated. In recent years, the mining requirements of the coal seam with large inclination angle are gradually increased, and the requirement on the stability of the machine body of the coal mining machine is higher in the mining process of the coal seam with large inclination angle.
Most of existing coal mining machines are not provided with a special walking brake frame for mining a large-dip-angle coal bed, in the actual coal mining process, a driver can only adopt corresponding support measures for a coal mining machine body by depending on the field condition, the braking effect is poor, so that the problems of poor stability, low safety and the like of the machine body exist in the actual use process, the requirements of actual use cannot be met, and the existing coal mining machine brake has the defect of poor braking effect and is difficult to popularize and apply.
Therefore, it is desirable to provide a braking device for a coal mining machine, which aims to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a purpose provides a coal-winning machine arresting gear to solve the problem in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a braking device of a coal mining machine comprises a coal mining machine body, wherein the coal mining machine body is connected to a rail in a sliding mode through a connecting piece, a rail groove is formed in the rail, a braking mechanism and an anti-skidding mechanism are arranged at the joint of the coal mining machine body and the rail, a first friction plate convenient to brake is arranged on the braking mechanism, the first friction plate is connected with a first lifting driving assembly through a brake rod, the first lifting driving assembly comprises a first connecting rod, a push rod and a first screw rod, the push rod is connected to the first screw rod in a threaded mode, the first screw rod is connected with a rotation driving assembly through a first gear and a second gear, the rotation driving assembly comprises a first rotating shaft, a first bevel gear, a second rotating shaft, a worm wheel, a worm and a first motor, the first bevel gear is meshed with the second bevel gear, and the worm wheel is connected with the worm gear, the anti-skidding mechanism is provided with a second friction plate for avoiding skidding, the second friction plate is fixedly connected onto the connecting plate through an elastic extrusion piece, a second lifting driving assembly is arranged above the connecting plate and comprises a second connecting rod, a moving block, a second screw rod and a second motor, and the moving block is in threaded connection with the second screw rod.
As a further aspect of the present invention, the first friction plate is slidably connected to the sliding sleeve rod through the brake rod, the outer side of the brake rod is respectively hinged to one end of a first connecting rod, the other end of the first connecting rod is hinged to the push rod, and the push rod is slidably connected to the inner part of the brake box through the sliding rod.
As a further scheme of the utility model, first screw rod passes through the bearing and rotates the inside of connecting in the brake box, the first gear of fixedly connected with on the first screw rod, first gear and second gear connection, the second gear rotates through first pivot and connects in the inside of brake box.
As a further scheme of the utility model, the first bevel gear of one end fixedly connected with of first pivot, second bevel gear rotates through the second pivot and connects in the inside of brake box, fixedly connected with worm wheel in the second pivot, the output shaft of the first motor of worm fixedly connected with.
As a further scheme of the utility model, be provided with the spring of being convenient for the buffering in the elastic extrusion spare, the connecting plate passes through the below of direction slide bar sliding connection in coal-winning machine body, it has the one end of second connecting rod to articulate respectively on the connecting plate, the other end of second connecting rod articulates respectively on the movable block, the second screw rod passes through the bearing and rotates the below of connecting in coal-winning machine body, the output shaft of second screw rod fixedly connected with second motor.
To sum up, compared with the prior art, the embodiment of the utility model has the following beneficial effects:
the utility model discloses a connecting piece sliding connection in the track of coal-winning machine body bottom, when needing to brake, when first motor functions, order about the worm rotatory, under the relation of gear connection, thereby order about the second pivot rotation on the worm wheel, the second pivot drives the second conical gear rotation, thereby order about the first pivot rotation on the first conical gear, the first pivot drives the second gear rotation, thereby order about the first screw rod on the first gear rotation, under the relation of threaded connection, order about the push rod to be close to each other under the guide effect of slide bar, make the contained angle between the first connecting rod produce the change, order about the brake lever to drive first friction plate under the guide effect of sliding sleeve pole and fall on the track groove and brake, the good braking of coal-winning machine body has been realized, the brake mechanism on the coal-winning machine body is when braking, the second motor starts, order about the second screw rod rotatory, under threaded connection's relation, order about the movable block and be close to each other, make the contained angle between the second connecting rod change, order about the connecting plate and drive the second friction plate on the elastic extrusion spare under the guide effect of direction slide bar and carry out spacing braking, avoided the slip of coal-winning machine body, make the braking effect of coal-winning machine body more good, possess the effectual advantage of braking.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of an internal structure of a brake mechanism according to an embodiment of the present invention.
Fig. 3 is a schematic view of an internal structure of the anti-skid mechanism in the embodiment of the present invention.
Fig. 4 is a schematic view of the internal structure of the elastic extrusion member in the embodiment of the present invention.
Reference numerals: 1-a coal mining machine body, 2-a track, 3-a track groove, 4-a brake mechanism, 5-an anti-skid mechanism, 6-a brake box, 7-a first friction plate, 8-a brake rod, 9-a slip sleeve rod, 10-a first connecting rod, 11-a push rod, 12-a first screw rod, 13-a first gear, 14-a second gear and 15-a first rotating shaft, 16-a first bevel gear, 17-a second bevel gear, 18-a second rotating shaft, 19-a worm wheel, 20-a worm, 21-a first motor, 22-a second friction plate, 23-an elastic extrusion piece, 24-a spring, 25-a connecting plate, 26-a second connecting rod, 27-a moving block, 28-a second screw, 29-a second motor and 30-a guide sliding rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is provided for the specific embodiments of the present invention.
Example 1
Referring to fig. 1 to 4, a braking device of a coal mining machine comprises a coal mining machine body 1, the coal mining machine body 1 is slidably connected to a rail 2 through a connecting piece, a rail groove 3 is formed in the rail 2, a braking mechanism 4 and an anti-slip mechanism 5 are arranged at the joint of the coal mining machine body 1 and the rail 2, a first friction plate 7 convenient for braking is arranged on the braking mechanism 4, the first friction plate 7 is connected with a first lifting driving assembly through a brake rod 8, the first lifting driving assembly comprises a first connecting rod 10, a push rod 11 and a first screw 12, the push rod 11 is in threaded connection with the first screw 12, the first screw 12 is connected with a rotation driving assembly through a first gear 13 and a second gear 14, and the rotation driving assembly comprises a first rotating shaft 15, a first conical gear 16, a second conical gear 17 and a second rotating shaft 18, A worm wheel 19, a worm 20 and a first motor 21, wherein the first bevel gear 16 is meshed with the second bevel gear 17, and the worm wheel 19 is in gear connection with the worm 20.
Further, the first friction plate 7 is slidably connected in the sliding sleeve rod 9 through a brake rod 8, one end of a first connecting rod 10 is hinged to the outer side of the brake rod 8, the other end of the first connecting rod 10 is hinged to a push rod 11, and the push rod 11 is slidably connected in the brake box 6 through a sliding rod.
Further, the first screw 12 is rotatably connected to the inside of the brake box 6 through a bearing, a first gear 13 is fixedly connected to the first screw 12, the first gear 13 is in gear connection with a second gear 14, and the second gear 14 is rotatably connected to the inside of the brake box 6 through a first rotating shaft 15.
Further, one end of the first rotating shaft 15 is fixedly connected with a first bevel gear 16, the second bevel gear 17 is rotatably connected to the inside of the brake box 6 through a second rotating shaft 18, a worm wheel 19 is fixedly connected to the second rotating shaft 18, and an output shaft of a first motor 21 is fixedly connected to the worm 20.
Preferably, the connecting piece at the bottom of the coal mining machine body 1 is slidably connected to the rail 2, when braking is required, when the first motor 21 operates, the worm 20 is driven to rotate, under the relationship of gear connection, the second rotating shaft 18 on the worm wheel 19 is driven to rotate, the second rotating shaft 18 drives the second bevel gear 17 to rotate, the first rotating shaft 15 on the first bevel gear 16 is driven to rotate, the first rotating shaft 15 drives the second gear 14 to rotate, the first screw 12 on the first gear 13 is driven to rotate, under the relationship of thread connection, the push rods 11 are driven to approach each other under the guiding action of the slide rods, so that the included angle between the first connecting rods 10 is changed, the brake rod 8 is driven to drive the first friction plate 7 to fall on the rail groove 3 to brake under the guiding action of the sliding sleeve rod 9, and good braking of the coal mining machine body 1 is realized.
Example 2
Referring to fig. 1 to 4, the braking device for the coal mining machine comprises a coal mining machine body 1, the coal mining machine body 1 is slidably connected to a track 2 through a connecting piece, a track groove 3 is formed in the track 2, a braking mechanism 4 and an anti-skidding mechanism 5 are arranged at the connection position of the coal mining machine body 1 and the track 2, a second friction plate 22 for avoiding skidding is arranged on the anti-skidding mechanism 5, the second friction plate 22 is fixedly connected to a connecting plate 25 through an elastic extrusion piece 23, a second lifting driving assembly is arranged above the connecting plate 25 and comprises a second connecting rod 26, a moving block 27, a second screw 28 and a second motor 29, and the moving block 27 is in threaded connection with the second screw 28.
Further, a spring 24 convenient for buffering is arranged in the elastic extrusion piece 23, the connecting plate 25 is slidably connected below the coal mining machine body 1 through a guide slide rod 30, one end of a second connecting rod 26 is hinged to each connecting plate 25, the other end of each second connecting rod 26 is hinged to a moving block 27, the second screw 28 is rotatably connected below the coal mining machine body 1 through a bearing, and an output shaft of a second motor 29 is fixedly connected to the second screw 28.
Preferably, when the braking mechanism 4 on the coal mining machine body 1 brakes, the second motor 29 is started to drive the second screw 28 to rotate, and the moving blocks 27 are driven to approach each other under the relationship of threaded connection, so that the included angle between the second connecting rods 26 changes, and the connecting plates 25 are driven to drive the second friction plates 22 on the elastic extrusion pieces 23 to perform limiting braking under the guiding action of the guide sliding rods 30, thereby avoiding the sliding of the coal mining machine body 1 and ensuring that the braking effect of the coal mining machine body 1 is better.
The rest of the structure of this example is the same as example 1.
The utility model discloses a theory of operation is: the connecting piece at the bottom of the coal mining machine body 1 is connected to the track 2 in a sliding manner, when braking is needed, when the first motor 21 operates, the worm 20 is driven to rotate, under the relationship of gear connection, the second rotating shaft 18 on the worm wheel 19 is driven to rotate, the second rotating shaft 18 drives the second bevel gear 17 to rotate, the first rotating shaft 15 on the first bevel gear 16 is driven to rotate, the first rotating shaft 15 drives the second gear 14 to rotate, the first screw 12 on the first gear 13 is driven to rotate, under the relationship of thread connection, the push rods 11 are driven to approach each other under the guiding action of the slide rods, so that the included angle between the first connecting rods 10 is changed, the brake rod 8 is driven to drive the first friction plate 7 to fall on the track groove 3 under the guiding action of the sliding sleeve rod 9 to brake, good braking of the coal mining machine body 1 is realized, and the brake mechanism 4 on the coal mining machine body 1 brakes, the second motor 29 is started to drive the second screw 28 to rotate, and the moving blocks 27 are driven to approach each other under the relationship of threaded connection, so that the included angle between the second connecting rods 26 changes, and the connecting plate 25 is driven to drive the second friction plate 22 on the elastic extrusion piece 23 to perform limiting braking under the guiding action of the guide slide rod 30, so that the sliding of the coal mining machine body 1 is avoided, and the braking effect of the coal mining machine body 1 is better.
It should be particularly noted that all the components in the present application are common standard components or components known to those skilled in the art, and the design of the braking mechanism 4, the anti-skid mechanism 5, the first lifting drive assembly, the rotary drive assembly and the second lifting drive assembly is applied to a braking device of a coal mining machine in combination, which is an innovative point of the present application, and effectively solves the problem of poor braking effect of the existing braking device of the coal mining machine.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A braking device of a coal mining machine comprises a coal mining machine body (1), wherein the coal mining machine body (1) is connected to a track (2) in a sliding mode through a connecting piece, a track groove (3) is formed in the track (2), the braking device is characterized in that a braking mechanism (4) and an anti-skidding mechanism (5) are arranged at the joint of the coal mining machine body (1) and the track (2), a first friction plate (7) convenient for braking is arranged on the braking mechanism (4), the first friction plate (7) is connected with a first lifting driving assembly through a brake rod (8), the first lifting driving assembly comprises a first connecting rod (10), a push rod (11) and a first screw rod (12), the push rod (11) is connected to the first screw rod (12) in a threaded mode, and the first screw rod (12) is connected with a rotary driving assembly through a first gear (13) and a second gear (14), the rotary driving component comprises a first rotating shaft (15), a first conical gear (16), a second conical gear (17), a second rotating shaft (18), a worm wheel (19), a worm (20) and a first motor (21), the first bevel gear (16) is meshed with the second bevel gear (17), the worm wheel (19) is in gear connection with the worm (20), a second friction plate (22) for avoiding slipping is arranged on the anti-slipping mechanism (5), the second friction plate (22) is fixedly connected to the connecting plate (25) through an elastic extrusion piece (23), a second lifting driving assembly is arranged above the connecting plate (25), the second lifting driving assembly comprises a second connecting rod (26), a moving block (27), a second screw (28) and a second motor (29), and the moving block (27) is in threaded connection with the second screw (28).
2. The shearer brake device according to claim 1, characterized in that the first friction plate (7) is slidably connected in the sliding sleeve rod (9) through a brake rod (8), the outside of the brake rod (8) is hinged with one end of a first connecting rod (10), the other end of the first connecting rod (10) is hinged on a push rod (11), and the push rod (11) is slidably connected in the brake box (6) through a sliding rod.
3. The braking device of the coal mining machine according to claim 2, characterized in that the first screw (12) is rotatably connected to the inside of the braking box (6) through a bearing, a first gear (13) is fixedly connected to the first screw (12), the first gear (13) is in gear connection with a second gear (14), and the second gear (14) is rotatably connected to the inside of the braking box (6) through a first rotating shaft (15).
4. The braking device of the coal mining machine according to claim 3, characterized in that one end of the first rotating shaft (15) is fixedly connected with a first bevel gear (16), the second bevel gear (17) is rotatably connected to the inside of the braking box (6) through a second rotating shaft (18), a worm gear (19) is fixedly connected to the second rotating shaft (18), and an output shaft of a first motor (21) is fixedly connected to the worm (20).
5. The braking device of the coal mining machine according to claim 1, characterized in that a spring (24) for facilitating buffering is arranged in the elastic extrusion part (23), the connecting plates (25) are slidably connected below the coal mining machine body (1) through guide slide rods (30), one ends of second connecting rods (26) are respectively hinged on the connecting plates (25), the other ends of the second connecting rods (26) are respectively hinged on a moving block (27), the second screw rods (28) are rotatably connected below the coal mining machine body (1) through bearings, and output shafts of second motors (29) are fixedly connected to the second screw rods (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120408999.9U CN214464146U (en) | 2021-02-24 | 2021-02-24 | Braking device of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120408999.9U CN214464146U (en) | 2021-02-24 | 2021-02-24 | Braking device of coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214464146U true CN214464146U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120408999.9U Active CN214464146U (en) | 2021-02-24 | 2021-02-24 | Braking device of coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214464146U (en) |
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2021
- 2021-02-24 CN CN202120408999.9U patent/CN214464146U/en active Active
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