CN210440060U - Underground protection mechanism - Google Patents
Underground protection mechanism Download PDFInfo
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- CN210440060U CN210440060U CN201921019216.7U CN201921019216U CN210440060U CN 210440060 U CN210440060 U CN 210440060U CN 201921019216 U CN201921019216 U CN 201921019216U CN 210440060 U CN210440060 U CN 210440060U
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- supporting plate
- base
- net
- protection
- telescopic piece
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Abstract
The utility model relates to a mining protection field in the pit particularly, relates to a protection machanism in the pit. The underground protection mechanism comprises a hydraulic support and an elastic protective net; the hydraulic support comprises a base, a first supporting plate, a second supporting plate, a first telescopic piece, a second telescopic piece and a main frame body, wherein the main frame body and the first telescopic piece are oppositely arranged on two sides of the base; one end swing joint of elasticity protection network is on first backup pad, and the other end of elasticity protection network is connected on the base, and the elasticity protection network is located one side that the body frame body was kept away from to first extensible member. The technical problems that operation is difficult and workload is large in the installation and disassembly processes of the protective net in the prior art are solved.
Description
Technical Field
The utility model relates to a mining protection field in the pit particularly, relates to a protection machanism in the pit.
Background
With the continuous progress of underground mining technology in the coal industry, underground fully mechanized coal mining faces are developing towards safe, efficient and automatic direction. The underground fully-mechanized coal mining face is a key link of mine raw coal production, in order to improve the safety of the fully-mechanized coal mining face production and reduce the maintenance amount of a hydraulic support frame protecting net, the reasonable design and installation of the hydraulic support frame protecting net are important links for the safety of the raw coal production and the normal operation of a system, and the original support frame protecting net is difficult to carry in a pedestrian passage with a narrow working face by workers due to large volume and heavy weight in the installation, retraction, damage and replacement processes; the operation of adjusting the protection height of the protecting net is complicated due to the change of the coal mining height in the production operation process, and the workload is particularly large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a protection machanism in pit to solve among the prior art protection network installation and dismantle the in-process operational difficulty, the technical problem that work load is big.
The embodiment of the utility model is realized like this:
an underground protection mechanism comprises a hydraulic support and an elastic protective net;
the hydraulic support comprises a base, a first supporting plate, a second supporting plate, a first telescopic piece, a second telescopic piece and a main frame body, wherein the main frame body and the first telescopic piece are oppositely arranged on two sides of the base, one end of the second supporting plate is connected with one end, far away from the base, of the main frame body, the other end of the second supporting plate is movably connected with one end of the first supporting plate, one end of the second telescopic piece is connected with the first supporting plate, the other end of the second telescopic piece is connected with the second supporting plate, and the other end of the main frame body is connected with the first supporting plate;
one end of the elastic protective net is movably connected to the first supporting plate, the other end of the elastic protective net is connected to the base, and the elastic protective net is located on one side, far away from the main frame body, of the first telescopic piece.
Furthermore, a lower cross beam is arranged on the base, and an upper cross beam is arranged at the lower end of the first supporting plate;
the upper cross beam and the lower cross beam are respectively provided with a first connecting part and a second connecting part, and the upper end and the lower end of the elastic protective net are respectively connected with the first connecting part and the second connecting part.
Further, first connecting portion include two and establish the first rings at entablature both ends, second connecting portion are including establishing two second rings at bottom end rail both ends, the upper and lower both ends of elasticity protection network are equipped with two and go up to collude and two lower colludes respectively.
Furthermore, a round-link chain is arranged between the two upper hooks.
Further, first connecting portion include two at least first draw-in grooves, second connecting portion include two at least second draw-in grooves, the upper and lower both ends of elasticity protection network are equipped with two at least buckles respectively.
Further, the number of the first telescopic pieces is at least two.
Further, the first telescopic piece and the second telescopic piece are hydraulic cylinders.
Further, the elastic protection net comprises a fixed protection net and a movable protection net which is in sliding connection with the fixed protection net, one end of the fixed protection net is movably connected to the base, and one end of the movable protection net is movably connected to the lower portion of the first supporting plate.
The utility model provides an underground protection mechanism, which comprises a hydraulic support and an elastic protective net; the hydraulic support comprises a base, a first supporting plate, a second supporting plate, a first telescopic piece, a second telescopic piece and a main frame body, wherein the main frame body and the first telescopic piece are oppositely arranged on two sides of the base, one end of the second supporting plate is connected with one end, far away from the base, of the main frame body, the other end of the second supporting plate is movably connected with one end of the first supporting plate, one end of the second telescopic piece is connected with the first supporting plate, the other end of the second telescopic piece is connected with the second supporting plate, and the other end of the main frame body is connected with the first supporting plate; one end of the elastic protective net is movably connected to the first supporting plate, the other end of the elastic protective net is connected to the base, and the elastic protective net is located on one side, far away from the main frame body, of the first telescopic piece. Adopt foretell scheme, first extensible member and the simultaneous working of second extensible member, make the relative first backup pad of second backup pad rotate, make first backup pad can be fixed in its open rigidity through first extensible member simultaneously, because the one end swing joint of elasticity protection network is in first support half below, the other end is connected on the base, and be located one side that the body frame body was kept away from to first extensible member, so that the elasticity protection network can be stretched along with first backup pad pivoted in-process that makes progress, it makes the high reduction that can make first backup pad through control first extensible member and second extensible member to change the messenger in needs, realize dismantling the change, in order to solve among the prior art protection network installation and dismantle the in-process operational difficulty, the technical problem that work load is big.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an underground protection mechanism according to an embodiment of the present invention.
In the figure: 100-a base; 200-a first support plate; 300-a second support plate; 400-a first telescoping member; 500-a second telescoping member; 600-the main frame body; 700-elastic protective net.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
As shown in fig. 1, the underground protection mechanism provided by the present invention includes a hydraulic support and an elastic protection net 700; the hydraulic support comprises a base 100, a first supporting plate 200, a second supporting plate 300, a first telescopic piece 400, a second telescopic piece 500 and a main support body 600, wherein the main support body 600 and the first telescopic piece 400 are oppositely arranged on two sides of the base 100, one end of the second supporting plate 300 is connected with one end, far away from the base 100, of the main support body 600, the other end of the second supporting plate 300 is movably connected with one end of the first supporting plate 200, one end of the second telescopic piece 500 is connected with the first supporting plate 200, the other end of the second telescopic piece 500 is connected with the second supporting plate 300, and the other end of the main support body 600 is connected with the first supporting plate 200; one end of the elastic protection net 700 is movably connected to the first supporting plate 200, the other end of the elastic protection net 700 is connected to the base 100, and the elastic protection net 700 is located on one side of the first extensible member 400 far away from the main frame body 600.
In this embodiment, in the construction process, after the hydraulic bracket is placed at a predetermined position, since one end of the elastic protection net 700 is movably connected below the first support plate 200 and the other end is fixed on the base 100 and located at one side of the first extensible member 400 far away from the main frame body 600, the protection height of the elastic protection net 700 can be automatically adjusted along with the rotation of the first support plate 200 in the working process; in addition, the elastic protection net 700 is not in the same plane with the first extensible part 400 and is located on one side of the first extensible part 400 far away from the main frame body 600, so that the width of the elastic protection net 700 is not limited by the position of the first extensible part 400, the protection width can be increased, the extensible parts can be protected, the exposed gap between two adjacent hydraulic supports is reduced, and meanwhile the width of a pedestrian passageway between the first extensible part 400 and the main frame body 600 can be increased.
In the above embodiment, the base 100 is provided with a lower beam, and the lower end of the first support plate 200 is provided with an upper beam; the upper cross beam and the lower cross beam are respectively provided with a first connecting part and a second connecting part, and the upper end and the lower end of the elastic protective net 700 are respectively connected with the first connecting part and the second connecting part. The upper end and the lower end of the elastic protection net 700 are movably connected with the first connecting part arranged on the upper cross beam row and the second connecting part arranged on the lower cross beam row, and the elastic protection net 700 is convenient to mount and dismount through the arrangement of the upper cross beam and the lower cross beam.
In the above embodiment, the first connecting portion includes two first hanging rings disposed at two ends of the upper beam, the second connecting portion includes two second hanging rings disposed at two ends of the lower beam, and two upper hooks and two lower hooks are respectively disposed at two ends of the elastic protection net 700.
Specifically, a round-link chain is arranged between the two upper hooks.
In this embodiment, both ends at the upper beam all are equipped with first rings, are equipped with two second rings at the both ends of lower beam, are equipped with respectively at the upper and lower both ends of elasticity protection network 700 and get in touch with the couple on first rings and second rings and get in touch down, and the both ends of round link chain are connected with two couples respectively, can make the stability of elasticity protection network 700 upper end connection. The number of the first lifting rings can also be three, four or five.
In the above modified embodiment of the scheme, the first connecting portion includes at least two first engaging grooves, the second connecting portion includes at least two second engaging grooves, and at least two fasteners are respectively disposed at the upper end and the lower end of the elastic protection net 700. The elastic protection net 700 can be also quickly and conveniently installed between the first support plate 200 and the base 100 through the connection mode of the clamping grooves and the buckles.
In the above embodiment, the number of the first telescopic members 400 is at least two.
Specifically, the first telescopic member 400 and the second telescopic member 500 are both hydraulic cylinders.
In the above embodiment, the elastic protection net 700 includes a fixed protection net and a movable protection net slidably connected to the fixed protection net, one end of the fixed protection net is movably connected to the base 100, and one end of the movable protection net is movably connected to the lower portion of the first support plate 200.
In this embodiment, the fixed guard net and the movable guard net are movably connected, so that the elastic protection net 700 can be stretched arbitrarily, and the protection performance is better.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A downhole protection mechanism is characterized by comprising a hydraulic support and an elastic protective net;
the hydraulic support comprises a base, a first supporting plate, a second supporting plate, a first telescopic piece, a second telescopic piece and a main frame body, wherein the main frame body and the first telescopic piece are oppositely arranged on two sides of the base, one end of the second supporting plate is connected with one end, far away from the base, of the main frame body, the other end of the second supporting plate is movably connected with one end of the first supporting plate, one end of the second telescopic piece is connected with the first supporting plate, the other end of the second telescopic piece is connected with the second supporting plate, and the other end of the main frame body is connected with the first supporting plate;
one end of the elastic protective net is movably connected to the first supporting plate, the other end of the elastic protective net is connected to the base, and the elastic protective net is located on one side, far away from the main frame body, of the first telescopic piece.
2. The underground protection mechanism according to claim 1, wherein a lower cross beam is arranged on the base, and an upper cross beam is arranged at the lower end of the first supporting plate;
the upper cross beam and the lower cross beam are respectively provided with a first connecting part and a second connecting part, and the upper end and the lower end of the elastic protective net are respectively connected with the first connecting part and the second connecting part.
3. The underground protection mechanism according to claim 2, wherein the first connection portion comprises two first hanging rings arranged at two ends of the upper cross beam, the second connection portion comprises two second hanging rings arranged at two ends of the lower cross beam, and two upper hooks and two lower hooks are respectively arranged at the upper end and the lower end of the elastic protection net.
4. The downhole protection mechanism of claim 3, wherein a round-link chain is disposed between the two upper hooks.
5. The underground protection mechanism according to claim 2, wherein the first connecting portion comprises at least two first clamping grooves, the second connecting portion comprises at least two second clamping grooves, and at least two buckles are respectively arranged at the upper end and the lower end of the elastic protection net.
6. The downhole guard mechanism of claim 1, wherein the first telescoping member is at least two.
7. The downhole guard mechanism of claim 1, wherein the first telescoping member and the second telescoping member are each hydraulic cylinders.
8. The underground protection mechanism according to claim 1, wherein the elastic protection net comprises a fixed protection net and a movable protection net slidably connected with the fixed protection net, one end of the fixed protection net is movably connected to the base, and one end of the movable protection net is movably connected to the lower portion of the first supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921019216.7U CN210440060U (en) | 2019-07-02 | 2019-07-02 | Underground protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921019216.7U CN210440060U (en) | 2019-07-02 | 2019-07-02 | Underground protection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210440060U true CN210440060U (en) | 2020-05-01 |
Family
ID=70404547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921019216.7U Expired - Fee Related CN210440060U (en) | 2019-07-02 | 2019-07-02 | Underground protection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210440060U (en) |
-
2019
- 2019-07-02 CN CN201921019216.7U patent/CN210440060U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200501 Termination date: 20210702 |