CN211144520U - Positioning device for tunnel steel arch frame connecting plate - Google Patents
Positioning device for tunnel steel arch frame connecting plate Download PDFInfo
- Publication number
- CN211144520U CN211144520U CN201921323836.XU CN201921323836U CN211144520U CN 211144520 U CN211144520 U CN 211144520U CN 201921323836 U CN201921323836 U CN 201921323836U CN 211144520 U CN211144520 U CN 211144520U
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- Prior art keywords
- positioning
- fixed
- bracket
- connecting plate
- balance
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- Expired - Fee Related
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Abstract
The utility model relates to a positioner for tunnel steel bow member connecting plate, include: the device comprises a positioning bracket, a balance strut, a connecting template and a fixing bracket; the positioning bracket is arranged at the lower end of the balance strut; the connecting template is arranged at the front end of the balance strut; the connecting template is provided with a positioning hole; the positioning holes are arranged in a rectangular shape; a positioning bolt is arranged in the positioning hole; the fixed bracket is arranged on the connecting template; a fixed handle is arranged on the balance support; the fixed handle is shaped like a Chinese character 'ji'. The utility model discloses a set up this positioner, guarantee that each part passes through the balanced pillar of welded form and connects fixedly to set up fixed handle on balanced pillar, can simply effectually carry and use through fixed handle, its stability and steadiness have been guaranteed to locating support and fixed bolster, and the accuracy of during operation has been guaranteed in the design of locating hole, simple structure, and the practicality is strong.
Description
Technical Field
The utility model relates to a tunnel construction field especially relates to a positioner for tunnel steel bow member connecting plate.
Background
The processing of the arch frame in the tunnel construction process still has a plurality of problems. The phenomenon that few bolts and bolt lack are generated due to the reasons that a plurality of workers know the defects, the construction is convenient, the inspection is not in place and the like in the steel arch bolt connection construction process, the bolts are not screwed up, bolt holes of connecting plates between unit arches are not aligned, and the bolts are difficult to install. When the tunnel lower step is excavated, the arch springing that the machinery can touch the upper step arch inevitably leads to the connecting plate to take place to warp, can appear the phenomenon of unable construction bolt when the installation lower step arch. Meanwhile, when the I-shaped steel wire shape is processed by the cold bending machine, the wire shape of the lower step steel arch frame designed by a drawing can not be realized almost, and the I-shaped steel can not be processed into an arc shape when the length of the I-shaped steel is shorter than 1.45m in the actual construction process. Therefore, when the steel arches of the upper step and the lower step of the tunnel are butted, the steel arches are difficult to be tightly attached, and therefore the bolts are connected into a weak link. Therefore, a positioning device for a tunnel steel arch connecting plate with simple structure and stable operation is needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a simple structure, job stabilization's a positioner that is used for tunnel steel bow member connecting plate.
In order to guarantee in the use, can guarantee job stabilization, simple structure, the utility model relates to a positioner for tunnel steel bow member connecting plate, include:
the device comprises a positioning bracket, a balance strut, a connecting template and a fixing bracket;
the positioning bracket is arranged at the lower end of the balance strut; the connecting template is arranged at the front end of the balance strut; the connecting template is provided with a positioning hole; the positioning holes are arranged in a rectangular shape; a positioning bolt is arranged in the positioning hole; the fixed bracket is arranged on the connecting template; a fixed handle is arranged on the balance support; the fixed handle is shaped like a Chinese character 'ji'.
The beneficial effects of the utility model are that, through setting up this positioner, guarantee that each part passes through the balanced pillar of welded form and connects fixedly to set up fixed handle on balanced pillar, can simply effectually carry and use through fixed handle, its stability and steadiness have been guaranteed to locating support and fixed bolster, and the accuracy of during operation has been guaranteed in the design of locating hole, simple structure, and the practicality is strong.
Further, the positioning bracket comprises a first positioning bracket and a second positioning bracket; the positioning bracket is triangular; the first positioning bracket is larger than the second positioning bracket. Through the design of locating support, guarantee job stabilization nature.
Furthermore, a transition edge is arranged on the fixed handle; and the transition edge is provided with a fixing hole. Through the design on transition limit, guarantee that fixed handle is stable through the effect on transition limit, with balanced pillar fixed connection, also strengthened the area of contact with balanced pillar, guaranteed can be stable rather than fixed.
Furthermore, a transition block is arranged at the upper end of the fixed support. Through the effect of fixed bolster, guarantee the stability of being connected between connection template and the balance support, the transition piece is further connected fixedly, and the welding area is bigger.
Further, the transition block is arc-shaped; the transition block is fixedly connected with the balance support. The arc-shaped design ensures higher degree of matching when the fixed support and the balance support are connected, and the appearance is more attractive.
Further, the fixed support comprises a first fixed support group and a second fixed support group; the first fixed support group and the second fixed support group are distributed and fixed in a splayed shape. Through the splayed distribution, the supporting force is dispersed, the concentration on one point is avoided, and the working stability is ensured.
Furthermore, the tail end of the first fixed support group and the tail end of the second fixed support group are fixedly connected with the connecting template. The device is further stabilized in workability by being fixedly connected with the connecting template.
Furthermore, the front ends of the first fixed support group and the second fixed support group are fixedly connected with the balance strut. Through with balanced pillar fixed connection, guarantee the working property of fixed bolster group, guarantee that balanced pillar can be stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 creative efforts.
Fig. 1 is a schematic structural view of a positioning device for a connecting plate of a tunnel steel arch frame of the present invention;
fig. 2 is a front view of the positioning device for the connecting plate of the tunnel steel arch frame of the present invention;
fig. 3 is a balance support diagram of the positioning device for the tunnel steel arch connecting plate of the utility model.
The corresponding part names indicated by the numbers in the figures:
1. positioning the bracket; 2. a balance strut; 3. connecting the templates; 4. fixing a bracket; 5. the lower end of the balance strut; 6. positioning holes; 7. positioning the bolt; 8. fixing a handle; 9. a first positioning bracket; 10. a second positioning bracket; 11. a transition edge; 12. a first fixed bracket group; 13. a second fixed bracket set; 14. a transition block; 15. the tail end of the first fixed bracket group; 16. the front end of the first fixed bracket group; 17. and (7) fixing holes.
Detailed Description
The following detailed description is made in conjunction with specific embodiments of the present invention:
the to-be-solved problem of the utility model is to provide a simple structure, job stabilization's a positioner that is used for tunnel steel bow member connecting plate.
As shown in fig. 1 and fig. 2, in order to guarantee that the working stability can be guaranteed in the use process, the structure is simple, the utility model relates to a positioner for tunnel steel arch connecting plate, include:
the device comprises a positioning support 1, a balance strut 2, a connecting template 3 and a fixing support 4;
the positioning bracket 1 is arranged at the lower end 5 of the balance strut; the connecting template 3 is arranged at the front end of the balance strut 2; the connecting template 3 is provided with a positioning hole 6; the positioning holes 6 are arranged in a rectangular shape; a positioning bolt 7 is arranged in the positioning hole 6; the fixed support 4 is arranged on the connecting template 3; a fixed handle 8 is arranged on the balance strut 2; the fixed handle 8 is shaped like a Chinese character 'ji'.
The beneficial effects of the utility model are that, through setting up this positioner, guarantee that each part passes through welded form balance support 2 and connects fixedly to set up fixed handle 8 on balance support 2, can simply effectually carry and use through fixed handle 8, its stability and steadiness have been guaranteed to locating support 1 and fixed bolster 1, and the precision of during operation has been guaranteed in the design of locating hole 6, simple structure, and the practicality is strong.
Further, the positioning bracket 1 comprises a first positioning bracket 9 and a second positioning bracket 10; the positioning bracket 1 is triangular; the first positioning bracket 9 is larger than the second positioning bracket 10. Through the design of locating support 1, guarantee job stabilization nature.
Further, a transition edge 11 is arranged on the fixed handle 8; the transition edge 11 is provided with a fixing hole 17. Through the design on transition limit 11, guarantee that fixed handle 8 is stable through the effect on transition limit 11, with balanced pillar 2 fixed connection, also strengthened the area of contact with balanced pillar, guaranteed can be stable rather than fixed.
Further, a transition block 14 is arranged at the upper end of the fixed support 4. Through the effect of fixed bolster 4, guarantee the stability of being connected between connection template 3 and the balance support 2, transition piece 14 is further connected fixedly, and the welding area is bigger.
As shown in fig. 3, further, the transition block 14 is arc-shaped; the transition block 14 is fixedly connected with the balance strut 2. The arc-shaped design ensures that the fixed support 4 and the balance strut 2 have higher degree of matching when being connected and have more attractive appearance.
Further, the fixed bracket 4 comprises a first fixed bracket group 12 and a second fixed bracket group 13; the first fixed support group 12 and the second fixed support group 13 are distributed and fixed in a splayed shape. Through the splayed distribution, the supporting force is dispersed, the concentration on one point is avoided, and the working stability is ensured.
Further, the tail end 15 of the first fixed bracket group and the tail end of the second fixed bracket group are fixedly connected with the connecting template 3. The workability of the equipment is further stabilized by connecting and fixing the connecting template 3.
Further, the front ends of the first fixed bracket group 16 and the second fixed bracket group are fixedly connected with the balance strut 2. Through with 2 fixed connection of balanced pillar, guarantee the working property of fixed bolster group, guarantee that balanced pillar can be stable.
In actual operation, firstly, the connecting templates 3 are processed, cut from steel plates, punched, bolt hole positioning is carried out, a gunn combined punching and shearing machine and a die sleeve are adopted for drilling, and the hole position precision error is within 2 mm. And then placing the connecting template 3 on the bent arch frame semi-finished product, sleeving the connecting template 3 drilled with holes according to the design requirement with a bolt fixed on a positioning device, performing spot welding positioning on the connecting template and the arch frame semi-finished product at the reserved spot welding position, taking down the positioning device, and welding the connecting template 3 and the arch frame semi-finished product firmly according to the design requirement to enter the next construction cycle. Then, because the first step of the device use is just to be buckled with the connection template 3 that the processing was accomplished, if there is a problem in the processing of connection template 3, the device can't be buckled together with connection template 3, can't carry out next step. This step makes it possible to filter out those connecting formworks 3 that are not of acceptable size and position from the steel arch machining source. The connection quality of the I-shaped steel of each unit is ensured. And the positioning hole 6 adopts the accurate hole position and the aperture of a connecting plate sleeve mold. The size and the hole site error are controlled to be +/-1 mm. Thereby guarantee to connect between each unit I-steel, the laminating is inseparable seamless, and the locating hole is accurate counterpoint, and it is convenient to install, and the quality improves. The balance support 2 and the connecting template 3 are welded, and the welding structure is characterized in that the plane angle of the connecting template 3 is controlled, the close adhesion with a prefabricated connecting plate is ensured, and meanwhile, the connecting template 3 is firmly and fixedly connected, so that errors are prevented from occurring during construction. The positioning bolt 7 penetrates through the positioning hole 6 to play a role in fixing the prefabricated connecting plate.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A positioning device for a tunnel steel arch connecting plate is characterized by comprising a positioning support, a balance pillar, a connecting template and a fixing support;
the positioning bracket is arranged at the lower end of the balance strut; the connecting template is arranged at the front end of the balance strut; the connecting template is provided with a positioning hole; the positioning holes are arranged in a rectangular shape; a positioning bolt is arranged in the positioning hole; the fixed bracket is arranged on the connecting template; a fixed handle is arranged on the balance support; the fixed handle is shaped like a Chinese character 'ji'.
2. The positioning device for the connecting plate of the tunnel steel arch according to claim 1, wherein: the positioning bracket comprises a first positioning bracket and a second positioning bracket; the positioning bracket is triangular; the first positioning bracket is larger than the second positioning bracket.
3. The positioning device for the connecting plate of the tunnel steel arch according to claim 1, wherein: the fixed handle is provided with a transition edge; and the transition edge is provided with a fixing hole.
4. The positioning device for the connecting plate of the tunnel steel arch according to claim 1, wherein: and the upper end of the fixed support is provided with a transition block.
5. The positioning device for the connecting plate of the tunnel steel arch according to claim 4, wherein: the transition block is arc-shaped; the transition block is fixedly connected with the balance support.
6. The positioning device for the connecting plate of the tunnel steel arch according to claim 1, wherein: the fixed bracket comprises a first fixed bracket group and a second fixed bracket group; the first fixed support group and the second fixed support group are distributed and fixed in a splayed shape.
7. The positioning device for the connecting plate of the tunnel steel arch according to claim 6, wherein: the tail ends of the first fixed support group and the second fixed support group are fixedly connected with the connecting template.
8. The positioning device for the connecting plate of the tunnel steel arch according to claim 6, wherein: the front ends of the first fixed support group and the second fixed support group are fixedly connected with the balance strut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921323836.XU CN211144520U (en) | 2019-08-15 | 2019-08-15 | Positioning device for tunnel steel arch frame connecting plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921323836.XU CN211144520U (en) | 2019-08-15 | 2019-08-15 | Positioning device for tunnel steel arch frame connecting plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211144520U true CN211144520U (en) | 2020-07-31 |
Family
ID=71742292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921323836.XU Expired - Fee Related CN211144520U (en) | 2019-08-15 | 2019-08-15 | Positioning device for tunnel steel arch frame connecting plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211144520U (en) |
-
2019
- 2019-08-15 CN CN201921323836.XU patent/CN211144520U/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 |
Granted publication date: 20200731 Termination date: 20210815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |