CN216665622U - Protection device and coal mine heading machine with same - Google Patents
Protection device and coal mine heading machine with same Download PDFInfo
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- CN216665622U CN216665622U CN202220229371.7U CN202220229371U CN216665622U CN 216665622 U CN216665622 U CN 216665622U CN 202220229371 U CN202220229371 U CN 202220229371U CN 216665622 U CN216665622 U CN 216665622U
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Abstract
The utility model relates to the technical field of coal mine development machines, in particular to a protective device and a coal mine development machine with the same, wherein the protective device comprises: the upper half part of the containing frame is of an arc structure, and an elastic protective cover is arranged inside the containing frame; the upper surface of the fixed rod is fixedly connected to the lower end surface of the containing frame, and one side of the fixed rod is provided with a sliding groove; the clamping block is arranged inside the sinking groove, and the sinking groove is formed in the inner wall of the sliding groove; the beneficial effects are that: according to the protective device and the coal mine heading machine with the same, the pull rod is pulled outwards, when one end of the pull rod is pulled out of the inside of the fixed groove, the sliding frame slides outwards, when the sliding frame slides along the sliding groove, the elastic protective cover connected between the sliding frame and the accommodating frame is spread, when the sliding block slides to the end part of the sliding groove, the clamping block is ejected out of the inside of the sunken groove under the action of the second return spring, and meanwhile the sliding block is limited and fixed.
Description
Technical Field
The utility model relates to the technical field of coal mine heading machines, in particular to a protection device and a coal mine heading machine with the same.
Background
The coal mine heading machine is a machine for mining underground coal mines and mainly comprises a travelling mechanism, a working mechanism, a loading and transporting mechanism and a transshipping mechanism, wherein a cutting head in the working mechanism continuously crushes coal and transports the coal along with the forward propulsion of the travelling mechanism.
In the working process of the coal mine heading machine, broken stones may fall off at any time, and the conventional coal mine heading machine is usually provided with a protective cover fixedly arranged right above a cab to prevent operators from smashing broken stones;
in some special cases, however, the shield may block the operator's view, making it inconvenient for the operator to control the coal mine entry driving machine.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a protective device and a coal mine heading machine with the same, and aims to solve the problem that a protective cover of the coal mine heading machine, which is provided in the background art, cannot be retracted.
In order to achieve the purpose, the utility model provides the following technical scheme: a protective device, the protective device comprising:
the upper half part of the containing frame is of an arc structure, and an elastic protective cover is arranged inside the containing frame;
the upper surface of the fixed rod is fixedly connected to the lower end surface of the containing frame, and one side of the fixed rod is provided with a sliding groove;
the joint piece sets up in the inside of heavy groove, and heavy groove is seted up at the inner wall of spout.
Preferably, a pull rod is arranged on a side wall of the accommodating frame, the pull rod penetrates through the side wall of the accommodating frame and extends into the accommodating frame, one end of the pull rod extending into the accommodating frame is in an inclined state, a first return spring is sleeved on the outer surface of the pull rod, and the first return spring is fixedly arranged between the outer surface of the accommodating frame and the end portion of the pull rod.
Preferably, the central symmetrical position of the inner wall of the containing frame is fixedly connected with one end of an elastic protective cover, one end, far away from the containing frame, of the elastic protective cover is fixedly connected with the end face of one end of the sliding frame, and the shape and the size of the sliding frame are matched with those of the containing frame.
Preferably, a fixing groove is fixedly formed in one side of the sliding frame, the fixing groove is arranged on the same side of the pull rod, and the size of the fixing groove is matched with that of one end of the pull rod.
Preferably, the dead lever is provided with two sets ofly, and two sets of dead levers difference fixed connection is in the both sides of accomodating the frame, and two sets of dead levers have seted up the spout to one side central symmetry position to right, and the fixed block that is provided with of lateral wall of dead lever, fixed block are provided with two sets ofly, and two sets of fixed blocks use the dead lever to carry out the symmetric distribution as the center.
Preferably, the inside of two sets of spouts all slides and is provided with the slider, and the slider is kept away from the one end terminal surface fixed connection of spout and is in sliding frame's bottom.
Preferably, sink the groove and set up the one end of keeping away from storage frame in the spout, the inside of spout is provided with the joint piece, and the joint piece is close to one side of slider and is the tilt state, and joint piece one end is fixed to be pegged graft and has branch, and branch rotates the inside that sets up at sinking the groove.
Preferably, the sunken groove is internally and fixedly provided with a second return spring, and the second return spring is fixedly arranged between the side wall of the clamping block far away from the supporting rod and the inner wall of the sunken groove.
Preferably, the inner wall fixed surface of joint piece is provided with wire rope, and wire rope sets up in second reset spring's inside, and wire rope keeps away from the one end of joint piece and runs through the dead lever and be connected with the pull ring.
A coal mine heading machine comprises the protection device.
Compared with the prior art, the utility model has the beneficial effects that:
according to the protective device and the coal mine heading machine with the same, the pull rod is pulled outwards, when one end of the pull rod is pulled out of the inside of the fixed groove, the sliding frame slides outwards, when the sliding frame slides along the sliding groove, the elastic protective cover connected between the sliding frame and the accommodating frame is spread, when the sliding block slides to the end part of the sliding groove, the clamping block is ejected out of the inside of the sunken groove under the action of the second return spring, and meanwhile the sliding block is limited and fixed.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a side view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
fig. 4 is a schematic structural diagram of the clamping block of the present invention.
In the figure: the telescopic type steel wire rope pulling device comprises a storage frame 1, a fixing rod 2, a sliding frame 3, a pull rod 4, a first return spring 5, a fixing groove 6, a fixing block 7, an elastic protective cover 8, a sliding block 9, a sliding groove 10, a sinking groove 11, a clamping block 12, a supporting rod 13, a second return spring 14, a steel wire rope 15 and a pull ring 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: a protective device, the protective device comprising:
the storage frame 1 is of an arc-shaped structure at the upper half part, an elastic protective cover 8 is arranged in the storage frame 1, a pull rod 4 is arranged on the side wall of one side of the storage frame 1, the pull rod 4 penetrates through the side wall of the storage frame 1 and extends into the storage frame 1, one end of the pull rod 4 extending into the storage frame 1 is in an inclined state, a first reset spring 5 is sleeved on the outer surface of the pull rod 4, the first reset spring 5 is fixedly arranged between the outer surface of the storage frame 1 and the end part of the pull rod 4, one end of the elastic protective cover 8 is fixedly connected at the centrosymmetric position of the inner wall of the storage frame 1, one end of the elastic protective cover 8 far away from the storage frame 1 is fixedly connected with the end surface of one end of the sliding frame 3, the shape and the size of the sliding frame 3 are matched with those of the storage frame 1, a fixing groove 6 is fixedly arranged on one side of the sliding frame 3, and the fixing groove 6 is arranged on the same side as the pull rod 4, the size of the fixing groove 6 is matched with that of one end of the pull rod 4;
the upper surface of each fixing rod 2 is fixedly connected to the lower end face of the containing frame 1, one side of each fixing rod 2 is provided with a sliding groove 10, the fixing rods 2 are provided with two groups, the two groups of fixing rods 2 are respectively and fixedly connected to two sides of the containing frame 1, the sliding grooves 10 are formed in the centrosymmetric positions of the two groups of fixing rods 2 towards the opposite side, the side walls of the fixing rods 2 are fixedly provided with fixing blocks 7, the fixing blocks 7 are provided with two groups, the two groups of fixing blocks 7 are symmetrically distributed by taking the fixing rods 2 as the center, sliding blocks 9 are arranged inside the two groups of sliding grooves 10 in a sliding mode, and the end face, far away from the sliding grooves 10, of each sliding block 9 is fixedly connected to the bottom of the sliding frame 3;
The working principle is as follows: when the protective device is in actual use, the two groups of fixed rods 2 and the containing frame 1 are fixedly arranged right above an operation cab of the coal mine heading machine through the fixed blocks 7, when the protection is required to be carried out right above the cab, the pull rod 4 is pulled outwards, the first return spring 5 fixedly sleeved on the outer surface of the pull rod 4 is stretched in the pulling process, when one end of the pull rod 4 is pulled out from the inside of the fixed groove 6, the sliding frame 3 slides outwards, the pull rod 4 is reset under the action of the first return spring 5, when the sliding frame 3 slides along the sliding groove 10, the elastic protective cover 8 connected between the sliding frame 3 and the containing frame 1 is spread, after the sliding end of the sliding block 9 at the end of the sliding frame 3 is separated, the clamping block 12 is extruded into the inside of the sinking groove 11 by the side end face of the sliding block 9, meanwhile, the clamping block 12 compresses the second return spring 14, when the sliding block 9 slides to the end of the sliding groove 10, under the action of a second return spring 14, the clamping block 12 is popped out of the inner part of the sinking groove 11, and meanwhile, the sliding block 9 is limited and fixed;
when needs accomodate folding with elasticity protection casing 8, outside pulling pull ring 16, pull ring 16 drives joint piece 12 through wire rope 15 and contracts into the inside of heavy groove 11, push back sliding frame 3 to the inside of accomodating frame 1 this moment, because the one end of pull rod 4 is the tilt state, when one side of sliding frame 3 and the contact of pull rod 4 tip, will promote pull rod 4 to the surface removal of accomodating frame 1, when the tip contact of fixed slot 6 with pull rod 4, under the effect of first reset spring 5, the tip of pull rod 4 will insert the inside of advancing fixed slot 6, it is spacing to the fixed of sliding frame 3 to accomplish.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A protective device, characterized by: the guard device includes:
the upper half part of the containing frame (1) is of an arc-shaped structure, and an elastic protective cover (8) is arranged inside the containing frame (1);
the upper surface of the fixed rod (2) is fixedly connected with the lower end surface of the containing frame (1), and one side of the fixed rod (2) is provided with a sliding groove (10);
the clamping block (12) is arranged inside the sinking groove (11), and the sinking groove (11) is formed in the inner wall of the sliding groove (10).
2. A protective device according to claim 1, wherein: the side wall of one side of the storage frame (1) is provided with a pull rod (4), the pull rod (4) penetrates through the side wall of the storage frame (1) and extends to the inside of the storage frame (1), one end of the pull rod (4) extending to the inside of the storage frame (1) is in an inclined state, a first reset spring (5) is sleeved on the outer surface of the pull rod (4), and the first reset spring (5) is fixedly arranged between the outer surface of the storage frame (1) and the end portion of the pull rod (4).
3. A guard according to claim 2, characterised in that: the inner wall central symmetry position of the storage frame (1) is fixedly connected with one end of an elastic protective cover (8), one end of the elastic protective cover (8) far away from the storage frame (1) is fixedly connected to the end face of one end of the sliding frame (3), and the shape and the size of the sliding frame (3) are matched with the storage frame (1).
4. A guard according to claim 3, characterised in that: one side of the sliding frame (3) is fixedly provided with a fixing groove (6), the fixing groove (6) is arranged on the same side of the pull rod (4), and the size of the fixing groove (6) is matched with that of one end of the pull rod (4).
5. A protective device according to claim 1, wherein: dead lever (2) are provided with two sets ofly, and two sets of dead lever (2) are fixed connection respectively in the both sides of taking in frame (1), and just two sets of dead lever (2) have seted up spout (10) to one side central symmetry position right, and the lateral wall of dead lever (2) is fixed and is provided with fixed block (7), and fixed block (7) are provided with two sets ofly, and two sets of fixed block (7) use dead lever (2) to carry out the symmetric distribution as the center.
6. A guard according to claim 5, characterised in that: the two sets of sliding grooves (10) are internally provided with sliding blocks (9) in a sliding mode, and one end faces, far away from the sliding grooves (10), of the sliding blocks (9) are fixedly connected to the bottom of the sliding frame (3).
7. A protective device according to claim 1, wherein: sink groove (11) and set up in spout (10) and keep away from the one end of accomodating frame (1), the inside of spout (10) is provided with joint piece (12), and one side that joint piece (12) are close to slider (9) is the tilt state, and joint piece (12) one end is fixed to be pegged graft and has branch (13), and branch (13) rotate and set up in the inside that sinks groove (11).
8. A guard according to claim 7, characterised in that: a second return spring (14) is fixedly arranged inside the sinking groove (11), and the second return spring (14) is fixedly arranged between the side wall, away from the supporting rod (13), of the clamping block (12) and the inner wall of the sinking groove (11).
9. A guard according to claim 8, characterised in that: the inner wall surface of the clamping block (12) is fixedly provided with a steel wire rope (15), the steel wire rope (15) is arranged in the second reset spring (14), and one end, far away from the clamping block (12), of the steel wire rope (15) penetrates through the fixing rod (2) and is connected with a pull ring (16).
10. A coal mine heading machine is characterized in that: including a guard according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220229371.7U CN216665622U (en) | 2022-01-27 | 2022-01-27 | Protection device and coal mine heading machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220229371.7U CN216665622U (en) | 2022-01-27 | 2022-01-27 | Protection device and coal mine heading machine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216665622U true CN216665622U (en) | 2022-06-03 |
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ID=81763577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220229371.7U Active CN216665622U (en) | 2022-01-27 | 2022-01-27 | Protection device and coal mine heading machine with same |
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| Country | Link |
|---|---|
| CN (1) | CN216665622U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961723A (en) * | 2022-06-07 | 2022-08-30 | 山东科技大学 | Anti-impact protection device for anchor cable net formation and use method |
| CN115123679A (en) * | 2022-07-13 | 2022-09-30 | 董元科 | Conveyer for glass substrate production line |
-
2022
- 2022-01-27 CN CN202220229371.7U patent/CN216665622U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961723A (en) * | 2022-06-07 | 2022-08-30 | 山东科技大学 | Anti-impact protection device for anchor cable net formation and use method |
| CN114961723B (en) * | 2022-06-07 | 2022-11-25 | 山东科技大学 | Anti-impact protection device for anchor cable net formation and use method |
| WO2023236307A1 (en) * | 2022-06-07 | 2023-12-14 | 山东科技大学 | Anti-impact protection apparatus using anchor cables to form mesh, and use method |
| CN115123679A (en) * | 2022-07-13 | 2022-09-30 | 董元科 | Conveyer for glass substrate production line |
| CN115123679B (en) * | 2022-07-13 | 2023-12-08 | 重庆宣宇光电科技有限公司 | Conveying device for glass substrate production line |
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