CN216477410U - Offset type front canopy clamp for roadway excavation - Google Patents
Offset type front canopy clamp for roadway excavation Download PDFInfo
- Publication number
- CN216477410U CN216477410U CN202123261074.5U CN202123261074U CN216477410U CN 216477410 U CN216477410 U CN 216477410U CN 202123261074 U CN202123261074 U CN 202123261074U CN 216477410 U CN216477410 U CN 216477410U
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- China
- Prior art keywords
- adjusting
- threaded hole
- fixed shell
- pin shaft
- length direction
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- Expired - Fee Related
Links
- 238000009412 basement excavation Methods 0.000 title description 4
- 230000005641 tunneling Effects 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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Abstract
The utility model discloses an offset type forepoling bar clip for tunneling, which comprises a fixed shell, wherein the fixed shell is in a hollow rectangular cylinder shell shape with openings at the upper end and the lower end, adjusting long holes are symmetrically arranged on the front side surface and the rear side surface of the fixed shell, an adjusting pin shaft is arranged between the two adjusting long holes, and both ends of the adjusting pin shaft can slide along the length direction of the adjusting long holes; one end face of the fixed shell in the length direction is provided with a first threaded hole and is in threaded connection with a first adjusting rod through the first threaded hole, one end of the first adjusting rod extends into the fixed shell from the first threaded hole and then is rotatably connected with one side of an adjusting pin shaft, and the other side of the adjusting pin shaft is connected with a clamping plate; and one side of the fixed shell is provided with an offset plate, the offset plate is provided with a second threaded hole, and the axis of the second threaded hole is parallel to the axis of the first threaded hole.
Description
Technical Field
The utility model relates to a colliery field especially relates to a tunnelling is with skew formula forestope card.
Background
The engineering process of the roadway driving and repairing engineering is provided with a temporary support worker, mainly a front canopy needs to be hung before an anchor net after the roadway driving, the front canopy is generally supported at the same longitudinal position with an existing anchor rod, but when the anchor rod at the hollow top is arranged, the front canopy at the hollow top influences drilling of a drilling machine, or causes deviation of an anchor rod application position, and influences arrangement of the anchor rod of the roadway. At present, people usually drive an anchor rod after drawing out a front canopy, but the condition can cause that no temporary support of the front canopy exists in a hollow top, and the life safety of workers at the first line is seriously influenced; and the roadway excavation may cause the situation of local over excavation, and the lengths of the exposed parts of the anchor rods are inconsistent, so that the mounting positions of the front canopy clamps are different, and the normal operation of the mounting work of the front canopy is influenced.
Disclosure of Invention
The utility model aims at the above-mentioned problem, a drift type forepoling beam clamp is used in tunnelling that simple structure, convenient to use is provided.
In order to realize the purpose, the technical scheme of the utility model is that:
an offset type front probe beam clamp for tunneling comprises a fixed shell, wherein the fixed shell is in a hollow rectangular cylinder shell shape with openings at the upper end and the lower end, adjusting long holes are symmetrically formed in the front side surface and the rear side surface of the fixed shell, an adjusting pin shaft is arranged between the two adjusting long holes, and the two ends of the adjusting pin shaft can slide along the length direction of the adjusting long holes; one end face of the fixed shell in the length direction is provided with a first threaded hole and is in threaded connection with a first adjusting rod through the first threaded hole, one end of the first adjusting rod extends into the fixed shell from the first threaded hole and then is rotatably connected with one side of an adjusting pin shaft, and the other side of the adjusting pin shaft is connected with a clamping plate; and one side of the fixed shell is provided with an offset plate, the offset plate is provided with a second threaded hole, and the axis of the second threaded hole is parallel to the axis of the first threaded hole.
Further, the length direction of the adjusting long hole is consistent with the length direction of the fixed shell.
Furthermore, the equal fixedly connected with locating part in both ends of adjusting pin axle, the both ends end of adjusting pin axle stretches out back and locating part fixed connection from two regulation slot holes respectively.
Further, the skew board parallels with fixed casing length direction's one end terminal surface, and one side and the fixed casing lateral wall fixed connection of skew board, the symmetry is provided with two gusset plates on the one end terminal surface of skew board, and two gusset plates are the triangle-shaped of right angle shape, and two right-angle sides of gusset plate respectively with skew board terminal surface, fixed casing lateral wall fixed weld.
Furthermore, the offset type front canopy clamp further comprises a second adjusting rod and an auxiliary nut, the second adjusting rod penetrates through a second threaded hole and is in threaded connection with the second threaded hole, and one end of the second adjusting rod extends out of the second threaded hole and then is fixedly connected with the auxiliary nut.
Furthermore, the first adjusting rod is far away from one end fixedly connected with a handheld piece of the adjusting pin shaft, and the length direction of the handheld piece is perpendicular to that of the first adjusting rod.
Compared with the prior art, the utility model has the advantages and positive effect be:
when the utility model is used, the exposed anchor rod on the roadway is in threaded connection with the offset plate through the second threaded hole, then one end of the forepoling beam is stretched into the space between the clamping plate and the inner side wall of the fixed shell, the clamping plate is moved and one end of the forepoling beam is clamped tightly by rotating the first adjusting rod, and similarly, the other end of the forepoling beam is clamped and fixed by using another forepoling beam clamp, so that the installation work of the forepoling beam can be realized;
when the front canopy affects the construction operation of the anchor rod at the hollow top, the front canopy is taken out, then the front canopy clamp is rotated, the front canopy clamp rotates relative to the exposed anchor rod, and the front canopy is installed after the position of the front canopy clamp is deviated; the front canopy clamp is simple to operate, convenient and quick, the mounting efficiency of the front canopy is improved, meanwhile, the situation that the life safety of front-line staff is affected due to the fact that the front canopy clamp is pulled out when people carry out roof bolt construction at the hollow top is avoided, and the using effect of the front canopy clamp is improved;
on the other hand, when the stock exposes the part shorter, can be with the end threaded connection of auxiliary nut and exposing the stock, the extension operation that exposes the stock has been realized through the design of second regulation pole and auxiliary nut to make two forepoling beam clamps can be in same height, made things convenient for the installation operation of forepoling beam, further improved the utility model discloses an excellent in use effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
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 of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by a person of ordinary skill in the art without creative efforts shall be included in the protection scope of the present invention.
As shown in fig. 1, the embodiment discloses an offset type front canopy clamp for tunneling, which comprises a fixed shell 2, wherein the fixed shell 2 is in a hollow rectangular cylinder shell shape with openings at the upper end and the lower end, the front side surface and the rear side surface of the fixed shell 2 are symmetrically provided with adjusting long holes 201, and the length direction of the adjusting long holes 201 is consistent with the length direction of the fixed shell 2; an adjusting pin shaft 3 is arranged between the two adjusting long holes 201, two ends of the adjusting pin shaft 3 can slide along the length direction of the adjusting long holes 201, and two end heads of the adjusting pin shaft 3 are fixedly connected with the limiting part 4 after extending out of the two adjusting long holes 201 respectively; a first threaded hole 202 is formed in the end face of one end of the fixed shell 2 in the length direction and is in threaded connection with a first adjusting rod 1 through the first threaded hole 202, one end of the first adjusting rod 1 extends into the fixed shell 2 from the first threaded hole 202 and then is rotatably connected with one side of the middle of an adjusting pin shaft 3, and the other side of the middle of the adjusting pin shaft 3 is connected with a clamping plate 5; an offset plate 6 is arranged on one side of the fixed shell 2, a second threaded hole 601 is arranged on the offset plate 6, and the axis of the second threaded hole 601 is parallel to the axis of the first threaded hole 202.
When the front cantilever is clamped, the first adjusting rod is rotated at first, the first adjusting rod pushes the adjusting pin shaft to slide along the length direction of the adjusting long hole under the action of the first threaded hole, and therefore the clamping plate also slides along the adjusting long hole along with the adjusting pin shaft until the front cantilever between the clamping plate and the inner side wall of the fixed shell is clamped tightly.
The offset plate 6 parallels with 2 length direction's of fixed casing one end terminal surface, and one side and the 2 lateral walls fixed connection of fixed casing of offset plate 6, the one end terminal surface longitudinal symmetry of offset plate 6 are provided with two gusset plates 8, and two gusset plates 8 are the triangle-shaped of right angle shape, and two right-angle sides of gusset plate 8 respectively with 6 terminal surfaces of offset plate, the fixed casing 2 lateral walls fixed weld. The design of gusset plate can improve the structural strength between skew board and the fixed casing, has further improved the utility model discloses an excellent in use effect.
The offset type front cantilever clamp further comprises a second adjusting rod 7 and an auxiliary nut 9, the second adjusting rod 7 penetrates through the second threaded hole 601, the second adjusting rod 7 is in threaded connection with the second threaded hole 601, and one end of the second adjusting rod 7 extends out of the second threaded hole 601 and then is fixedly connected with the auxiliary nut 9. The connecting position between the second adjusting rod and the second threaded hole can be adjusted by rotating the second adjusting rod, and the exposed anchor rod lengthening length can be adjusted, so that the position of the front canopy clip can be adjusted conveniently, and the installation convenience of the front canopy clip is improved.
One end of the first adjusting rod 1, which is far away from the adjusting pin shaft, is fixedly connected with a hand piece 10, and the hand piece 10 is perpendicular to the length direction of the first adjusting rod 1. People can conveniently rotate the first adjusting rod through the handheld piece.
When the utility model is used, the exposed anchor rod on the roadway is in threaded connection with the offset plate through the second threaded hole, then one end of the front canopy is stretched into the space between the clamping plate and the inner side wall of the fixed shell, the clamping plate is moved and one end of the front canopy is clamped tightly by rotating the first adjusting rod, and similarly, the other end of the front canopy is clamped and fixed by using another front canopy clamp, so that the installation work of the front canopy can be realized, after the installation, the connecting line between the two front canopy clamps is parallel to the roadway roof, namely, the installed front canopy is parallel to the roadway roof;
when the front canopy affects the construction operation of the anchor rod at the hollow top, the front canopy is taken out, then the front canopy clamp is rotated, the front canopy clamp rotates relative to the exposed anchor rod, and the front canopy is installed after the position of the front canopy clamp deviates (the deviation is about 100 mm); the front canopy clamp is simple to operate, convenient and quick, the mounting efficiency of the front canopy is improved, meanwhile, the situation that the life safety of front-line staff is affected due to the fact that the front canopy clamp is pulled out when people carry out roof bolt construction at the hollow top is avoided, and the using effect of the front canopy clamp is improved;
on the other hand, when the stock exposes the part shorter, can be with the end threaded connection of auxiliary nut and exposing the stock, the extension operation that exposes the stock has been realized through the design of second regulation pole and auxiliary nut to make two forepoling beam clamps can be in same height, made things convenient for the installation operation of forepoling beam, further improved the utility model discloses an excellent in use effect.
Claims (6)
1. The utility model provides a tunnelling is with skew formula cantilever beam card which characterized in that: the offset type front canopy clamp comprises a fixed shell, the fixed shell is in a hollow rectangular cylinder shell shape with openings at the upper end and the lower end, adjusting long holes are symmetrically formed in the front side surface and the rear side surface of the fixed shell, an adjusting pin shaft is arranged between the two adjusting long holes, and the two ends of the adjusting pin shaft can slide along the length direction of the adjusting long holes; one end face of the fixed shell in the length direction is provided with a first threaded hole and is in threaded connection with a first adjusting rod through the first threaded hole, one end of the first adjusting rod extends into the fixed shell from the first threaded hole and then is rotatably connected with one side of an adjusting pin shaft, and the other side of the adjusting pin shaft is connected with a clamping plate; and one side of the fixed shell is provided with an offset plate, the offset plate is provided with a second threaded hole, and the axis of the second threaded hole is parallel to the axis of the first threaded hole.
2. The offset type front cantilever clamp for tunneling according to claim 1, wherein: the length direction of the adjusting long hole is consistent with the length direction of the fixed shell.
3. The offset type front cantilever clamp for tunneling according to claim 2, wherein: the both ends of adjusting pin axle all fixedly connected with locating part, the both ends end of adjusting pin axle is stretched out back and locating part fixed connection from two regulation slot holes respectively.
4. The offset type front cantilever clamp for tunneling according to claim 3, wherein: the offset plate parallels with fixed casing length direction's one end terminal surface, and one side and the fixed casing lateral wall fixed connection of offset plate, the symmetry is provided with two gusset plates on the one end terminal surface of offset plate, and two gusset plates are the right triangle-shaped form, and two right-angle sides of gusset plate respectively with offset plate terminal surface, fixed casing lateral wall fixed weld.
5. The offset type front cantilever clamp for tunneling according to claim 4, wherein: the offset type front canopy clamp further comprises a second adjusting rod and an auxiliary nut, the second adjusting rod penetrates through a second threaded hole and is in threaded connection with the second threaded hole, and one end of the second adjusting rod extends out of the second threaded hole and then is fixedly connected with the auxiliary nut.
6. The offset type front cantilever clamp for tunneling according to claim 5, wherein: one end of the first adjusting rod, which is far away from the adjusting pin shaft, is fixedly connected with a handheld piece, and the handheld piece is vertical to the length direction of the first adjusting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123261074.5U CN216477410U (en) | 2021-12-23 | 2021-12-23 | Offset type front canopy clamp for roadway excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123261074.5U CN216477410U (en) | 2021-12-23 | 2021-12-23 | Offset type front canopy clamp for roadway excavation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216477410U true CN216477410U (en) | 2022-05-10 |
Family
ID=81428531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123261074.5U Expired - Fee Related CN216477410U (en) | 2021-12-23 | 2021-12-23 | Offset type front canopy clamp for roadway excavation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216477410U (en) |
-
2021
- 2021-12-23 CN CN202123261074.5U patent/CN216477410U/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: 20220510 |