CN213392210U - Advance support device for tunneling working face - Google Patents
Advance support device for tunneling working face Download PDFInfo
- Publication number
- CN213392210U CN213392210U CN202022401311.2U CN202022401311U CN213392210U CN 213392210 U CN213392210 U CN 213392210U CN 202022401311 U CN202022401311 U CN 202022401311U CN 213392210 U CN213392210 U CN 213392210U
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- supporting
- plate body
- support
- guard plate
- plate
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Abstract
The utility model discloses a tunneling working face advance support device, which comprises a support guard plate body, wherein the support guard plate body is provided with two support guard plate bodies, the bottom end of each support guard plate body is fixedly connected with a positioning piece, the top end of each support guard plate body is provided with an adjusting piece, the tunneling working face advance support device is characterized in that the support guard plate bodies are stably fixed in a roadway through the two support guard plate bodies and the positioning pieces arranged on the two support guard plate bodies, when tunneling operation is carried out and the support guard plate bodies are supported and positioned by using a fixing piece on a support plate, the adjusting pieces at the top ends of the support guard plate bodies can be replaced, thereby effectively carrying out advance support work on different roadways, realizing the multifunction of the support device, facilitating the convenient disassembly and distance adjustment of the support guard plate bodies and the limiting pieces arranged on arc-shaped plates, the safety of the supporting operation is further improved, and the practicability of the device is further improved.
Description
Technical Field
The utility model relates to a tunnel support technical field specifically is a driving face advance support device.
Background
The underground excavation of the coal mine is a main method for underground roadway development, after the roadway is excavated, a top plate and rocks at two sides are exposed, if timely and effective support is not carried out, the top plate and rock strata at two sides of the roadway lose support to generate tensile stress, and the tensile strength of the rocks is far less than the compressive strength of the rocks.
The existing roadway top is generally of an arc-shaped or square structure, supporting devices on different tops are needed to be adopted for different roadway shapes, but existing advance supporting equipment is mostly of an integrated structure, the disassembly and replacement work of constructors is inconvenient, meanwhile, the carrying and maintenance are inconvenient, when the advance supporting device is used for supporting the roadway, the whole roadway needs to be supported, so that the supporting force borne by the supporting device is large, a supporting plate located below the supporting device can be deviated or sink into the roadway, and great work difficulty is brought to the constructors when the supporting plate is detached.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a driving face advance support device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tunnelling working face advance support device, includes a backplate body, a backplate body is equipped with two, two the setting element that this body fixed effect of supporting plate can be strengthened to the equal fixedly connected with in supporting plate body bottom, two supporting plate body top all is equipped with the regulating part of conveniently dismantling and changing different supporting plate bodies.
Preferably, the setting element includes the backup pad of fixed connection in a backup pad body bottom, be equipped with the mounting that a plurality of can creep into the tunnel inside and carry out the stable support to the backup pad body in the backup pad, through the setting element that is equipped with to the realization is fixed the effect to the backup pad body.
Preferably, the mounting includes the threaded rod with backup pad threaded connection, the one end fixedly connected with conical head that the threaded rod passed the backup pad, the threaded rod is kept away from the fixed hub connection in the one end outside of conical head and is rotated the handle, through the mounting that is equipped with to the realization is to the effect of supporting plate body reinforcing location effect.
Preferably, the regulating part includes the arc of sliding connection on supporting plate body top, through mounting threaded connection between arc and the supporting plate body, the locating part has been cup jointed in the outside slip that the backplate body one end was kept away from to the arc, through the regulating part that is equipped with to the realization carries out reasonable use supporting device's effect to the tunnel of difference.
Preferably, the locating part cup joints the limiting plate in the arc outside including sliding, limiting plate bottom fixedly connected with spacing horizontal piece, spacing horizontal piece internal rotation is connected with the rotation lead screw, the both sides screw thread that rotates the lead screw has cup jointed fixed horizontal piece, and fixed horizontal piece and arc fixed connection, it has the rotation handle to lie in spacing horizontal piece one side fixed cover on the rotation lead screw, it is equipped with the spacing groove to lie in spacing horizontal piece both sides on the limiting plate, through the locating part that is equipped with to the realization is to the effect that the distance between two backplate bodies was adjusted.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses when using, two backplate bodies through setting up, and the setting element that is equipped with on two backplate bodies, thereby when carrying out the tunnelling operation, and use the backup pad on the mounting support the location to the backplate body, can be with this body stable fixing inside the tunnel of backplate, and the regulating part on backplate body top can be changed, and then can effectually carry out advance support work to the tunnel of difference, realize supporting device's multifunctionality, conveniently prop up the convenient regulation of dismantling and the distance of backplate body simultaneously, and the locating part that is equipped with on the arc, the security of strutting the operation has further been improved, the practicality of the device has further been improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the structure of the present invention;
fig. 3 is a schematic view of the limiting member of the present invention;
FIG. 4 is a schematic view of the structure of the support and protection plate of the present invention;
fig. 5 is a schematic view of the fixing member of the present invention.
In the figure: 1-supporting a guard plate body; 2-a positioning element; 3-an adjusting part; 4-a support plate; 5-a fixing piece; 6-a threaded rod; 7-a conical head; 8-rotating the handle; 9-arc-shaped plates; 10-a stopper; 11-a limiting plate; 12-a limit transverse block; 13-rotating the screw rod; 14-fixing the transverse block; 15-a rotating handle; 16-limiting groove.
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. 1-5, the present invention provides a technical solution: the utility model provides a tunnelling working face advance support device, includes a backplate body 1, a backplate body 1 is equipped with two, two the setting element 2 that 1 fixed effect of backplate body can be strengthened to the equal fixedly connected with in 1 bottom of a backplate body, two 1 top of a backplate body all is equipped with the convenient regulating part 3 of dismantling and changing different backplate bodies 1.
The positioning piece 2 comprises a supporting plate 4 fixedly connected to the bottom end of the supporting and protecting plate body 1, and a plurality of fixing pieces 5 capable of drilling into the roadway to stably support the supporting and protecting plate body 1 are arranged on the supporting plate 4;
the fixing part 5 comprises a threaded rod 6 in threaded connection with the support plate 4, one end of the threaded rod 6 penetrating through the support plate 4 is fixedly connected with a conical head 7, and the outer side of one end, far away from the conical head 7, of the threaded rod 6 is fixedly sleeved with a rotating handle 8;
the adjusting part 3 comprises an arc-shaped plate 9 connected to the top end of the supporting and protecting plate body 1 in a sliding manner, the arc-shaped plate 9 is connected with the supporting and protecting plate body 1 through a plurality of fixing parts 5, and a limiting part 10 is sleeved on the outer side of one end, far away from the supporting and protecting plate body 1, of the arc-shaped plate 9 in a sliding manner;
the limiting piece 10 comprises a limiting plate 11 which is sleeved outside the arc-shaped plate 9 in a sliding manner, the bottom end of the limiting plate 11 is fixedly connected with a limiting transverse block 12, a rotating lead screw 13 is rotatably connected inside the limiting transverse block 12, fixed transverse blocks 14 are sleeved on two sides of the rotating lead screw 13 in a threaded manner, the fixed transverse blocks 14 are fixedly connected with the arc-shaped plate 9, a rotating handle 15 is fixedly sleeved on one side, located on the limiting transverse block 12, of the rotating lead screw 13, and limiting grooves 16 are formed in the limiting plate 11, located on two sides of the limiting transverse block 12;
the working principle is as follows: when a constructor carries out roadway excavation operation, the supporting and protecting plate body 1 can be placed on two sides of a roadway, so that the supporting plate 4 is contacted with the roadway ground, then the rotating handle 8 is rotated, the rotating handle 8 drives the threaded rod 6 to rotate to enable the thread to penetrate through the supporting plate 4, the threaded rod is drilled into the roadway through the action of the conical head 7, so that the stability of the supporting and protecting plate body 1 is enhanced, then the arc-shaped plates 9 slide into the limiting grooves 16 on two sides of the limiting plate 11, the rotating lead screw is positioned on two sides of the limiting transverse plate, the thread directions of the rotating lead screw are opposite, so that the rotating handle 15 is rotated, the rotating lead screw 13 drives the fixed transverse block 14 through the thread to adjust the distance between the two arc-shaped plates 9, after the proper position is adjusted, the two arc-shaped plates 9 are respectively and fixedly connected with the supporting and protecting plate body 1 on, make the cone head 7 between the arc 9 and the supporting plate body 1 bore inside the tunnel of both sides, further strengthen the tunnel and support the effect, when needs dismantle equipment or need advance the tunnelling work forward, only need through mounting 5 with supporting plate body 1 with the arc 9 separate can.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 tunnelling working face advance support device, includes a backplate body (1), its characterized in that: the supporting and protecting plate is characterized in that the supporting and protecting plate body (1) is provided with two positioning pieces (2) which are fixedly connected with the bottom end of the supporting and protecting plate body (1) and can strengthen the fixing effect of the supporting and protecting plate body (1), and the two positioning pieces (3) which are convenient to detach and replace different supporting and protecting plate bodies (1) are arranged on the top end of the supporting and protecting plate body (1).
2. A heading face advance support device according to claim 1, wherein: the positioning piece (2) comprises a supporting plate (4) fixedly connected to the bottom end of the supporting plate body (1), and a plurality of fixing pieces (5) capable of drilling into the roadway to stably support the supporting plate body (1) are arranged on the supporting plate (4).
3. A heading face advance support device according to claim 2, wherein: the fixing part (5) comprises a threaded rod (6) in threaded connection with the supporting plate (4), the threaded rod (6) penetrates through a conical head (7) fixedly connected with one end of the supporting plate (4), and a rotating handle (8) is fixedly sleeved on the outer side of one end, far away from the conical head (7), of the threaded rod (6).
4. A heading face advance support device according to claim 1, wherein: the adjusting part (3) comprises an arc plate (9) which is connected to the top end of the supporting plate body (1) in a sliding mode, the arc plate (9) is connected with the supporting plate body (1) through a plurality of fixing parts (5), and a limiting part (10) is sleeved on the outer side, away from one end of the supporting plate body (1), of the arc plate (9) in a sliding mode.
5. A heading face advance support device according to claim 4, wherein: locating part (10) cup joints limiting plate (11) in the arc (9) outside including sliding, limiting plate (11) bottom fixedly connected with spacing horizontal piece (12), spacing horizontal piece (12) inside rotation is connected with rotation lead screw (13), the both sides screw thread that rotates lead screw (13) has cup jointed fixed horizontal piece (14), and fixed horizontal piece (14) and arc (9) fixed connection, it has rotating handle (15) to lie in the fixed cover of spacing horizontal piece (12) one side on lead screw (13) to rotate, it is equipped with spacing groove (16) to lie in spacing horizontal piece (12) both sides on limiting plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022401311.2U CN213392210U (en) | 2020-10-26 | 2020-10-26 | Advance support device for tunneling working face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022401311.2U CN213392210U (en) | 2020-10-26 | 2020-10-26 | Advance support device for tunneling working face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213392210U true CN213392210U (en) | 2021-06-08 |
Family
ID=76191114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022401311.2U Expired - Fee Related CN213392210U (en) | 2020-10-26 | 2020-10-26 | Advance support device for tunneling working face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213392210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320397A (en) * | 2021-11-26 | 2022-04-12 | 陕西陕煤榆北煤业有限公司 | Ultra-long working face roadway advance support device |
-
2020
- 2020-10-26 CN CN202022401311.2U patent/CN213392210U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320397A (en) * | 2021-11-26 | 2022-04-12 | 陕西陕煤榆北煤业有限公司 | Ultra-long working face roadway advance support device |
| CN114320397B (en) * | 2021-11-26 | 2024-04-16 | 陕西陕煤榆北煤业有限公司 | Advanced supporting device for ultra-long working face roadway |
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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: 20210608 Termination date: 20211026 |