CN210768772U - Crushing device for coal mining - Google Patents
Crushing device for coal mining Download PDFInfo
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- CN210768772U CN210768772U CN201921190833.3U CN201921190833U CN210768772U CN 210768772 U CN210768772 U CN 210768772U CN 201921190833 U CN201921190833 U CN 201921190833U CN 210768772 U CN210768772 U CN 210768772U
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Abstract
The utility model discloses a breaker for coal mining belongs to coal mining equipment technical field, include the entry driving machine main shaft and install the broken head mechanism on the entry driving machine main shaft, broken head mechanism is including installing the epaxial axle sleeve of entry driving machine main shaft, the top fixedly connected with beam barrel of axle sleeve, driving motor is installed to the bottom in the beam barrel intracavity, fixedly connected with screw rod on driving motor's the output shaft, the smooth movable plate that is equipped with in bottom in the beam barrel intracavity, the first slider of outer wall fixedly connected with of movable plate, the spout has been seted up to the inner wall of beam barrel, the outer wall of first slider and the inner wall sliding connection of spout. The utility model discloses, possess simple structure, feed quantity adjustable advantage, solved among the prior art because the feed quantity of broken head can not adjust according to the hardness of stratum, when broken head is broken to harder stratum, the yielding distortion of broken head damages, needs to be changed, so has reduced work efficiency's problem.
Description
Technical Field
The utility model relates to a coal mining equipment technical field specifically is a breaker for coal mining.
Background
A heading machine (Boringmachine) is a machine for cutting a roadway on a flat ground. Dividing the operation objects into a common machine and a tunnel boring machine (TBM for short) according to operation objects; the method is divided into an open-type tunneling machine and a shield-type tunneling machine according to the operation mode.
For example, the chinese utility model patent application No. CN201420240983.1 discloses a heading machine and a temporary support device for the heading machine. Wherein, entry driving machine temporary support device includes: the rear end of the telescopic arm is hinged to the machine body of the heading machine; the lifting device is connected between the telescopic arm and the tunneling machine; a top guard plate hinged to the front end of the telescopic boom. The temporary support device of the heading machine and the heading machine integrates the heading and support functions into a whole by arranging the temporary support device, so that the continuity and integration of roadway heading mining and support operation are realized, a roadway roof can be supported, the heading safety is improved, the support efficiency can be effectively improved, the heading speed is accelerated, the number of field operators can be reduced, and the labor intensity of operators is reduced.
However, the heading machine and the temporary support device for the heading machine have the following defects: when the broken operation, because the feed volume of broken head can not adjust according to the hardness of stratum, when broken head broken hard stratum, broken head yielding distortion damage needs to be changed, so has reduced work efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a breaker for coal mining possesses simple structure, feed volume adjustable advantage, has solved among the prior art because the feed volume of broken head can not adjust according to the hardness of stratum, when broken head is broken to harder stratum, the yielding distortion of broken head is damaged, needs to change, so has reduced work efficiency's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a breaker for coal mining, includes the entry driving machine main shaft, still includes the crushing head mechanism of installing on the entry driving machine main shaft.
The crushing head mechanism comprises a shaft sleeve arranged on a main shaft of the tunneling machine, the top of the shaft sleeve is fixedly connected with a shaft barrel, the bottom in the cavity of the shaft barrel is provided with a driving motor, an output shaft of the driving motor is fixedly connected with a screw rod, the bottom in the cavity of the shaft barrel is provided with a movable plate in a sliding manner, the outer wall of the movable plate is fixedly connected with a first slide block, the inner wall of the shaft barrel is provided with a slide groove, the outer wall of the first slide block is connected with the inner wall of the slide groove in a sliding manner, the middle part of the movable plate is connected with the surface thread of the screw rod, the top in the cavity of the shaft barrel is provided with a fixed plate in a sliding manner, the outer wall of the fixed plate is fixedly connected with a second slide block, the outer wall of the second slide block is connected with the inner, one end of the fixed shaft, which is far away from the fixed plate, penetrates out of the fixed ring and is provided with a crushing head.
Preferably, the shaft sleeve and the shaft cylinder are connected into an integral structure.
Preferably, the number of the first sliding blocks is at least four, and the four first sliding blocks are arrayed in a central ring shape of the moving plate.
Preferably, the number of the sliding grooves corresponds to that of the first sliding blocks, and the number of the second sliding blocks corresponds to that of the sliding grooves.
Preferably, the fixed plate, the second sliding block and the fixed shaft are connected into an integral structure, and the middle part of the bottom of the integral structure is arranged in a hollow mode.
Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses, through setting up the crushing head mechanism, can carry out automatically regulated according to the hardness of rock stratum with the feed volume of crushing head, if the hardness of rock stratum is big, the feed volume of adjusting the crushing head is just big, reverse through the driving motor drive screw rod during specific regulation, the movable plate slides through first slider in the spout and steadily moves down, reset spring reduces the precompression that gives the crushing head this moment, namely the feed volume of crushing head becomes big, if the hardness of rock stratum is little, the feed volume of adjusting the crushing head is just little, through the driving motor drive screw rod corotation during specific regulation, the movable plate slides through first slider in the spout and steadily moves up, reset spring gives the precompression of crushing head this moment, namely the feed volume of crushing head becomes little, through such design, make the feed volume of crushing head carry out automatic control and adjust according to the hardness of rock stratum, play the effect of protection crushing head to a certain extent, when the crushing head is broken to a harder rock stratum, the crushing head is easy to deform, distort and damage and needs to be replaced, and finally the working efficiency of the heading machine can be improved.
Drawings
Fig. 1 is a schematic structural view of an axonometric view of a bushing according to the present invention;
FIG. 2 is a schematic perspective view of the axle shaft of the present invention;
FIG. 3 is a schematic structural view of a front view of the crushing head of the present invention;
fig. 4 is a schematic structural view of the present invention along the sectional view a-a in fig. 3;
fig. 5 is a schematic structural view of the present invention along the section view B-B in fig. 3;
FIG. 6 is a schematic structural view of an axonometric view of the screw of the present invention;
fig. 7 is the structure diagram of the reset spring axonometric drawing of the utility model.
In the figure: 1-a crushing head mechanism, 2-a shaft sleeve, 3-a shaft barrel, 4-a driving motor, 5-a screw, 6-a moving plate, 7-a first slide block, 8-a chute, 9-a fixed plate, 10-a second slide block, 11-a return spring, 12-a fixed shaft, 13-a fixed ring and 14-a crushing head.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: a crushing device for coal mining comprises a main shaft (not shown in the figure) of a heading machine and a crushing head mechanism 1 arranged on the main shaft of the heading machine.
The crushing head mechanism 1 comprises a shaft sleeve 2 arranged on a main shaft of the tunneling machine, the top of the shaft sleeve 2 is fixedly connected with a shaft barrel 3, the bottom in a cavity of the shaft barrel 3 is provided with a driving motor 4, the driving motor 4 is electrically controlled and connected with the tunneling machine, a worker can sit in the tunneling machine to realize remote control of the driving motor 4, an output shaft of the driving motor 4 is fixedly connected with a screw 5, the bottom in the cavity of the shaft barrel 3 is provided with a movable plate 6 in a sliding manner, the middle part of the movable plate 6 is in threaded connection with the surface of the screw 5, when the driving motor 4 drives the screw 5 to rotate reversely, the movable plate 6 moves downwards under the threaded connection action with the screw 5, when the driving motor 4 drives the screw 5 to rotate forwards, the movable plate 6 moves upwards under the threaded connection action with the screw 5, meanwhile, the outer wall of the movable plate 6 is fixedly connected with a first slide, the outer wall of the first slider 7 is slidably connected with the inner wall of the chute 8, by arranging the first slider 7 and the chute 8, on one hand, the moving plate 6 is moved stably by the sliding action of the first slider 7 and the chute 8, on the other hand, the moving plate 6 is prevented from being static relative to the screw 5, the top in the cavity of the shaft barrel 3 is slidably provided with the fixed plate 9, the reset spring 11 is abutted between the fixed plate 9 and the moving plate 6, the outer wall of the fixed plate 9 is fixedly connected with the second slider 10, the outer wall of the second slider 10 is slidably connected with the inner wall of the chute 8, the top of the fixed plate 9 is fixedly connected with the fixed shaft 12, the top of the shaft barrel 3 is provided with the fixed ring 13, one end of the fixed shaft 12 far away from the fixed plate 9 penetrates through the fixed ring 13 and is provided with the crushing head 14, when the moving plate 6 moves upwards, the interval between, the movable type rock breaking device is suitable for certain rock strata with smaller hardness, when the movable plate 6 moves downwards, the distance between the movable plate 6 and the fixed plate 9 is increased, the prestress between the reset spring 11 and the fixed plate 9 is reduced, then the feed amount of the breaking head 14 is increased, the movable type rock strata with larger hardness is suitable for certain rock strata, when the breaking head 14 is in feed, through the matching of the second slide block 10 and the chute 8, on one hand, the breaking head 14 can be stably stretched, on the other hand, after the shaft sleeve 2 and the main shaft of the tunneling machine are fixed, the main shaft of the tunneling machine drives the shaft sleeve 2 to rotate, the breaking head 14 can rotate along with the rotation of the shaft sleeve 2 due to the abutting effect of the second slide block 10 and the chute 8, and then the breaking mining is finished, through the design, the feed amount of the breaking head 14 can be automatically controlled and adjusted according to the hardness of the rock strata, the action of protecting the breaking head 14, the easily deformed, twisted and damaged crushing head 14 needs to be replaced, and finally the working efficiency of the heading machine can be improved.
Further, the shaft sleeve 2 and the shaft cylinder 3 are connected into an integral structure, and the rigidity and the installation strength of the integral structure are guaranteed.
Further, the number of the first sliders 7 is at least four, and four first sliders 7 move the central annular array of the plate 6. The number of runners 8 corresponds to the number of first slides 7 and the number of second slides 10 corresponds to the number of runners 8.
Except that in addition, this broken head mechanism 1 can also convenient to detach, and solid fixed ring 13 is fixed with shaft barrel 3 through the flange, and when solid fixed ring 13 pulled down the back, the part in the shaft barrel 3 just can continue to take out, through such setting, when certain part maintenance or change, was convenient for dismantle it.
Further, the fixed plate 9 and the second slider 10 are connected with the fixed shaft 12 to form an integrated structure, so that the rigidity and the installation strength of the integrated structure are guaranteed, the middle part of the bottom of the integrated structure is arranged in a hollow mode, when the fixed shaft 12 moves downwards, the screw 5 is supplied to move through the hollow mode, and the screw 5 is prevented from abutting against the bottom of the fixed plate 9 and cannot feed.
The working principle is as follows: when the crushing device for coal mining is used, when the feed amount of the crushing head 14 is adjusted, when the screw 5 is driven by the driving motor 4 to rotate clockwise, the movable plate 6 moves upwards due to the threaded connection with the screw 5, the distance between the movable plate 6 and the fixed plate 9 is reduced, the pre-pressure given to the fixed plate 9 by the return spring 11 is increased, then the feed amount of the crushing head 14 is reduced, the crushing device is suitable for terrains with small hardness, when the screw 5 is driven by the driving motor 4 to rotate reversely, the movable plate 6 moves downwards due to the threaded connection with the screw 5, the distance between the movable plate 6 and the fixed plate 9 is increased, the pre-pressure given to the fixed plate 9 by the return spring 11 is reduced, then the feed amount of the crushing head 14 is increased, the crushing device is suitable for terrains with large hardness, through the design, the feed amount of the crushing head 14 can be automatically controlled and adjusted according to the hardness of, play the effect of protection broken head 14 to a certain extent, prevent that broken head 14 from when broken hard rock stratum, broken easy deformation distortion of broken head 14 damages and needs to be changed, finally can improve the work efficiency of entry driving machine.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a breaker for coal mining, includes entry driving machine main shaft, its characterized in that: the device also comprises a crushing head mechanism (1) arranged on the main shaft of the development machine;
the crushing head mechanism (1) comprises a shaft sleeve (2) arranged on a main shaft of the tunneling machine, the top of the shaft sleeve (2) is fixedly connected with a shaft barrel (3), a driving motor (4) is arranged at the bottom in the cavity of the shaft barrel (3), a screw rod (5) is fixedly connected onto an output shaft of the driving motor (4), a movable plate (6) is arranged at the bottom in the cavity of the shaft barrel (3) in a sliding manner, a first sliding block (7) is fixedly connected to the outer wall of the movable plate (6), a sliding groove (8) is formed in the inner wall of the shaft barrel (3), the outer wall of the first sliding block (7) is connected with the inner wall of the sliding groove (8) in a sliding manner, the middle of the movable plate (6) is connected with the surface threads of the screw rod (5), a fixed plate (9) is arranged at the top in the cavity of the shaft barrel (3, the outer wall of second slider (10) and the inner wall sliding connection of spout (8), the butt has reset spring (11) between fixed plate (9) and movable plate (6), the top fixedly connected with fixed axle (12) of fixed plate (9), solid fixed ring (13) are installed at the top of beam barrel (3), the one end of keeping away from fixed plate (9) on fixed axle (12) is worn out solid fixed ring (13) back and is installed broken head (14).
2. A crushing device for coal mining according to claim 1, wherein: the shaft sleeve (2) and the shaft barrel (3) are connected into an integral structure.
3. A crushing device for coal mining according to claim 1, wherein: the number of the first sliding blocks (7) is at least four, and the four first sliding blocks (7) are arrayed in a central ring shape of the moving plate (6).
4. A crushing device for coal mining according to claim 1, wherein: the number of the sliding grooves (8) corresponds to that of the first sliding blocks (7), and the number of the second sliding blocks (10) corresponds to that of the sliding grooves (8).
5. A crushing device for coal mining according to claim 1, wherein: the fixed plate (9), the second sliding block (10) and the fixed shaft (12) are connected into an integral structure, and the middle of the bottom of the integral structure is arranged in a hollow mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921190833.3U CN210768772U (en) | 2019-07-26 | 2019-07-26 | Crushing device for coal mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921190833.3U CN210768772U (en) | 2019-07-26 | 2019-07-26 | Crushing device for coal mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210768772U true CN210768772U (en) | 2020-06-16 |
Family
ID=71035232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921190833.3U Expired - Fee Related CN210768772U (en) | 2019-07-26 | 2019-07-26 | Crushing device for coal mining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210768772U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345731A (en) * | 2020-11-05 | 2021-02-09 | 安徽理工大学 | Coal-breaking and dust-producing device for simulating coal mining face |
| CN112943280A (en) * | 2021-02-05 | 2021-06-11 | 胡春花 | Tunneling device for coal mining |
-
2019
- 2019-07-26 CN CN201921190833.3U patent/CN210768772U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345731A (en) * | 2020-11-05 | 2021-02-09 | 安徽理工大学 | Coal-breaking and dust-producing device for simulating coal mining face |
| CN112943280A (en) * | 2021-02-05 | 2021-06-11 | 胡春花 | Tunneling device for coal mining |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20210726 |
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| CF01 | Termination of patent right due to non-payment of annual fee |