CN203595506U - Tunnel center line walking rack - Google Patents
Tunnel center line walking rack Download PDFInfo
- Publication number
- CN203595506U CN203595506U CN201320713140.4U CN201320713140U CN203595506U CN 203595506 U CN203595506 U CN 203595506U CN 201320713140 U CN201320713140 U CN 201320713140U CN 203595506 U CN203595506 U CN 203595506U
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- Prior art keywords
- walker
- center line
- montant
- tunnel
- walking rack
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Abstract
The utility model relates to the field of walking racks, in particular to a tunnel center line walking rack which comprises a walking rack body and two laser rangefinders, wherein the two laser rangefinders are symmetrically arranged on the two sides of the walking rack body and face the two side walls of the tunnel respectively. Compared with the walking rack which is easy to deviate and of which the deviation is not easy to be found out in the prior art, the tunnel center line walking rack provided by the utility model adopts the scheme that the two laser rangefinders are symmetrically arranged on the two sides of the walking rack body and face the two side walls of the tunnel respectively, so that the distance from each laser rangefinder to each corresponding wall can be measured; when the tunnel center line walking rack is in use, if the walking rack body deviates from a tunnel center line, the difference value of the measurement on the two laser rangefinders is bigger, operators can adjust the walking route of the walking rack body in time according to the difference value to enable the walking rack body to walk along the tunnel center line, so that the measuring precision of a measuring instrument mounted on the tunnel center line walking rack is high.
Description
Technical field
The utility model relates to walker field, in particular to tunnel center line walker.
Background technology
Current double track tunnel is general single center of circle or three centers of circle of adopting in the time of design, and the inner outline in tunnel is one section of circular arc or three sections of different circular arc of radius-of-curvature that radius-of-curvature is identical.After tunnel is according to design drawing completion, need to detect the out break in tunnel.The outline line during take design is as datum line, and the part of the section of actual excavation beyond datum line becomes backbreaks, and the part in datum line becomes owes to dig.
In order to detect the out break in tunnel, in correlation technique, conventionally surveying instrument is fixed on walker, walker is advanced along tunnel.In order to improve the degree of accuracy of surveying instrument, surveying instrument need to be along the center line walking in tunnel.But existing walker cannot constant bearing, in the process of walking, after disalignment, be difficult for finding, thereby reduce measuring accuracy.
Utility model content
The purpose of this utility model is to provide tunnel center line walker, to solve the above problems.
A kind of tunnel center line walker is provided in embodiment of the present utility model, has comprised walker body and two laser range finders; Two laser range finders are symmetricly set on the both sides of walker body and respectively towards the two side in tunnel.
The tunnel center line walker that the utility model embodiment provides, with walker of the prior art easily wander off be difficult for find compared with, the symmetria bilateralis of its walker body is provided with two laser range finders, wherein two laser range finders are respectively towards the two side in tunnel, for measuring two laser range finders to the distance between two side.While using this tunnel center line walker, when walker body departs from tunnel center line, the difference of measuring on two laser range finders can become large, operating personnel can adjust in time according to this difference the track route of walker body, make walker body along tunnel center line walking, thereby it is high to make to be arranged on the measuring accuracy of the surveying instrument on this tunnel center line walker.
Accompanying drawing explanation
The schematic diagram of the tunnel center line walker that Fig. 1 shows the utility model embodiment in tunnel;
Fig. 2 shows the side view of the tunnel center line walker of the utility model embodiment.
Embodiment
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
A kind of tunnel center line walker providing for the present embodiment as depicted in figs. 1 and 2, comprises walker body 105 and two laser range finders 104; Two laser range finders 104 are symmetricly set on the both sides of walker body 105 and respectively towards the two side in tunnel 106.
The tunnel center line walker that the utility model embodiment provides, with walker of the prior art easily wander off be difficult for find compared with, the symmetria bilateralis of its walker body 105 is provided with two laser range finders 104, wherein two laser range finders 104 are respectively towards the two side in tunnel 106, for measuring two laser range finders to the distance between two side.While using this tunnel center line walker, when walker body departs from tunnel center line, the difference of measuring on two laser range finders can become large, operating personnel can adjust in time according to this difference the track route of walker body, make walker body along tunnel center line walking, thereby it is high to make to be arranged on the measuring accuracy of the surveying instrument on this tunnel center line walker.
Described walker body comprises cross bar 102, montant 103 and two movable pulleies 101; One end of cross bar 102 is connected with a movable pulley 101, and the other end is connected with another movable pulley; Montant 103 is arranged on the middle part of cross bar 102; Two described laser range finders 104 are separately positioned on the both sides of described montant 103.Wherein the two ends of cross bar 102 are fixing with two movable pulleies 101 respectively, and montant 103 is vertically arranged on the middle part of cross bar 102, surveying instrument is fixed on montant, thereby two movable pulleies slide on the ground and drive surveying instrument to move.This walker, except can fixation measuring instrument, can also make surveying instrument move.
Wherein, montant 103 comprises more piece; A upper joint montant is inserted in next joint montant and is slidably matched; Two laser range finders are positioned on next joint montant.Be that more piece montant can stretch.When highly higher, a upper joint montant can be stretched out in next joint montant, thus the height of adjusting walker.
Preferably, montant is three joints.If the joint number of montant is too much, may make the bad stability of this walker.In order to meet the height of walker, meet walker simultaneously and there is good stability, the joint number of this montant is preferably three joints.
For the ease of the length that regulates each joint montant to stretch out, in each joint montant, be provided with hydraulic jacking device 204.Can regulate the extension elongation of each joint montant by hydraulic jacking device 204, thereby regulate the height of this walker.
In order to improve the stability of this walker body, this walker body also comprises long fixed bar 203; One end of long fixed bar 203 is connected with cross bar 102, and the other end is connected with the top of next joint montant.Between long fixed bar 203 and cross bar and montant, form triangle, because leg-of-mutton stability is best, be directly connected long fixed bar and can improve the stability of this walker at cross bar and montant, avoid montant to swing.
In order further to improve the stability of this walker body, this walker body also comprises short fixed bar 202; One end of short fixed bar 202 is connected with cross bar, and the other end is connected with the middle part of next joint montant.After long fixed bar and cross bar and montant formation triangle, in this triangle, further strengthen this leg-of-mutton stability by short fixed bar again, thereby strengthen the stability of this walker.Wherein the quantity of long fixed bar and short fixed bar all can be two.Long fixed bar and short fixed bar respectively with cross bar and montant between to be connected for hinged, can be also other any connected mode.
Walker body also comprises load-bearing bearing 201 and pulley pad; Movable pulley 101 is fixed on the below of pulley pad; Pulley pad is fixed on the below of load-bearing bearing 201; Load-bearing bearing is fixedly connected with the end of cross bar.Because movable pulley is fixed on the below of pulley pad, and pulley pad is fixed on the below of load-bearing bearing, and plays stable effect by cross bar, good stability when this walker body uses.
The below of pulley pad is vertically fixed with two bar steel plates; Movable pulley is connected between two bar steel plates by buckle.I.e. connected mode between this pulley pad and movable pulley, be specially, below pulley pad, fix two bar steel plates, two bar steel plates can be welded under pulley pad, then movable pulley is connected between two bar steel plates by buckle, movable pulley can be rolled with respect to two bar steel plates, improve the stability of movable pulley in the time rolling.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a tunnel center line walker, is characterized in that, comprises walker body and two laser range finders;
Two described laser range finders are symmetricly set on the both sides of described walker body and respectively towards the two side in tunnel.
2. tunnel according to claim 1 center line walker, is characterized in that, described walker body comprises cross bar, montant and two movable pulleies;
One end of described cross bar is connected with a described movable pulley, and the other end is connected with movable pulley described in another; Described montant is arranged on the middle part of described cross bar;
Two described laser range finders are separately positioned on the both sides of described montant.
3. tunnel according to claim 2 center line walker, is characterized in that, described montant comprises more piece; The described montant of a upper joint is inserted into next and saves in described montant and be slidably matched;
Two described laser range finders are positioned on next joint montant.
4. tunnel according to claim 3 center line walker, is characterized in that, described montant is three joints.
5. tunnel according to claim 4 center line walker, is characterized in that, each saves in described montant and is provided with hydraulic jacking device.
6. tunnel according to claim 5 center line walker, is characterized in that, described walker body also comprises long fixed bar;
One end of described long fixed bar is connected with described cross bar, and the other end is connected with the top of next joint montant.
7. tunnel according to claim 6 center line walker, is characterized in that, described walker body also comprises short fixed bar;
One end of described short fixed bar is connected with described cross bar, and the other end is connected with the middle part of next joint montant.
8. according to the tunnel center line walker described in any one in claim 2-7, it is characterized in that, described walker body also comprises load-bearing bearing and pulley pad;
Described movable pulley is fixed on the below of described pulley pad; Described pulley pad is fixed on the below of described load-bearing bearing; Described load-bearing bearing is fixedly connected with the end of described cross bar.
9. tunnel according to claim 8 center line walker, is characterized in that, the below of described pulley pad is vertically fixed with two bar steel plates;
Described movable pulley is connected between two bar steel plates by buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320713140.4U CN203595506U (en) | 2013-11-12 | 2013-11-12 | Tunnel center line walking rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320713140.4U CN203595506U (en) | 2013-11-12 | 2013-11-12 | Tunnel center line walking rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203595506U true CN203595506U (en) | 2014-05-14 |
Family
ID=50676376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320713140.4U Expired - Fee Related CN203595506U (en) | 2013-11-12 | 2013-11-12 | Tunnel center line walking rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203595506U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034360A (en) * | 2014-06-30 | 2014-09-10 | 苏州科德溯源仪器有限公司 | Walking rack for measuring instrument |
| CN108692704A (en) * | 2018-06-01 | 2018-10-23 | 中铁局集团有限公司 | A kind of laser measurement rail tunnel section parameter intelligence pedrail |
| CN112878119A (en) * | 2020-04-13 | 2021-06-01 | 北京易科路通铁道设备有限公司 | Construction method of ballast bed base |
| CN113359153A (en) * | 2021-05-12 | 2021-09-07 | 武汉中仪物联技术股份有限公司 | Imaging method and imaging device for pipeline, radar crawler and electronic equipment |
-
2013
- 2013-11-12 CN CN201320713140.4U patent/CN203595506U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034360A (en) * | 2014-06-30 | 2014-09-10 | 苏州科德溯源仪器有限公司 | Walking rack for measuring instrument |
| CN108692704A (en) * | 2018-06-01 | 2018-10-23 | 中铁局集团有限公司 | A kind of laser measurement rail tunnel section parameter intelligence pedrail |
| CN112878119A (en) * | 2020-04-13 | 2021-06-01 | 北京易科路通铁道设备有限公司 | Construction method of ballast bed base |
| CN113359153A (en) * | 2021-05-12 | 2021-09-07 | 武汉中仪物联技术股份有限公司 | Imaging method and imaging device for pipeline, radar crawler and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20151112 |
|
| EXPY | Termination of patent right or utility model |