CN212007222U - Shield tunnel central line calibration device - Google Patents
Shield tunnel central line calibration device Download PDFInfo
- Publication number
- CN212007222U CN212007222U CN202020493526.9U CN202020493526U CN212007222U CN 212007222 U CN212007222 U CN 212007222U CN 202020493526 U CN202020493526 U CN 202020493526U CN 212007222 U CN212007222 U CN 212007222U
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- sleeve
- shield tunnel
- scale
- central line
- calibration device
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Abstract
The utility model provides a shield tunnel central line calibration device, include: bearing structure, horizontal adjustment support, scale structure and well line location structure of setting on bearing structure, the scale structure includes that both ends open-ended cavity tubular structure's sleeve and two are folding accomodate at telescopic both ends scale, is provided with first scale table on each flexible scale, and telescopic top outer wall is provided with the second scale table. The central line positioning structure comprises a transverse rod, a horizontal ruler and a central line positioning device, wherein the transverse rod is vertically clamped at the top of the sleeve in the horizontal direction and can slide back and forth along the extension direction of the sleeve, reading holes for reading the second scale table are formed in the transverse rod, the horizontal ruler is arranged on the transverse rod, and the central line positioning device is arranged at any end of the transverse rod. The utility model provides a shield tunnel central line calibration device operating method is simple and convenient, and measurement cost is lower, can be fast accurate mark shield tunnel's central line.
Description
Technical Field
The utility model relates to a municipal works construction field specifically, relates to a shield tunnel central line calibration device.
Background
With the rapid development of urban rail transit construction in China and the gradual improvement of underground space utilization rate, subway construction ranks have been added in various cities, and shield tunnel construction technology is increasingly widely popularized and applied due to the unique characteristics and advantages of intelligence, safety, rapidness, high efficiency and the like.
The shield machine not only needs to adjust the shield posture in time in the propelling process, but also needs to master the actual position of the shield which is formed into the tunnel. The actual central line and the design central line in tunnel can have certain deviation, and the total powerstation of exclusive use can't mark actual tunnel central line position, generally adopts tape measure and level bar among the prior art to mark, and the operation is complicated, consumes labour consuming time, and the degree of accuracy is low moreover, can't quick effectual application in shield structure construction measurement.
SUMMERY OF THE UTILITY MODEL
Operation is complicated when demarcating shield tunnel central line among the prior art, consuming time and labouring, and the degree of accuracy is low, and unable quick effectual application constructs the technical problem in the construction measurement to the shield, the utility model provides a shield tunnel central line calibration device, this shield tunnel central line calibration device operating method is simple and convenient, and measurement cost is lower, can mark out shield tunnel's central line fast, accurately.
In order to achieve the above object, the utility model provides a shield tunnel central line calibration device includes: a support structure; the horizontal adjusting support is arranged on the supporting structure; the scale structure comprises a sleeve and two telescopic scales, the sleeve is a hollow cylindrical structure with two open ends, two ends of the sleeve are horizontally erected on the horizontal adjusting support towards the shield segment respectively, the two telescopic scales are respectively folded and accommodated at two ends of the sleeve, and the two telescopic scales can abut against the shield segment when being unfolded and respectively extend out of the two open ends of the sleeve; a first scale table is arranged on each telescopic scale, and a second scale table is arranged on the outer wall of the top of the sleeve; the center line positioning structure comprises a cross rod, a horizontal ruler and a center line positioning device, wherein the cross rod is vertically clamped at the top of the sleeve in the horizontal direction, the cross rod can slide back and forth along the extension direction of the sleeve, reading holes for reading the second scale table are formed in the cross rod, the horizontal ruler is arranged on the cross rod, and the center line positioning device is arranged at any end of the cross rod.
Further, the support structure comprises: the horizontal adjusting device comprises a tripod and a connecting seat arranged at the top end of the tripod, wherein a horizontal adjusting support is arranged on the connecting seat.
Furthermore, the horizontal adjusting support comprises a base and at least three horizontal adjusting screws, one end of each horizontal adjusting screw is movably inserted into the top surface of the connecting base, the other end of each horizontal adjusting screw is in threaded connection with the base through a bottom surface hole of the base, and the distance between the bottom surface of the base and the top surface of the connecting base can be adjusted by rotating the horizontal adjusting screws, so that the scale structure is in a horizontal state.
Furthermore, a rotating shaft is vertically fixed at the middle position of the bottom of the sleeve, the rotating shaft is vertically inserted into the top surface opening of the base, and the scale structure can rotate by taking the rotating shaft as an axis.
Furthermore, a braking device used for limiting the rotation of the rotating shaft is arranged on the base.
Furthermore, the two ends of the sleeve are provided with limiting parts for preventing the central line positioning structure from slipping.
Further, a fixing piece used for limiting the cross rod to slide is arranged on the cross rod.
Furthermore, a metal thimble is arranged at the extending end of the telescopic scale.
Further, the midline positioning device is an infrared positioning device or a laser positioning device.
Further, the shield tunnel centerline calibration device further comprises: and the triangular prism is arranged on the cross bar.
Through the technical scheme provided by the utility model, the utility model discloses following technological effect has at least:
the utility model discloses a shield tunnel central line calibration device includes bearing structure, the level (l) ing support of setting on bearing structure, scale structure and central line location structure, and the scale structure includes both ends open-ended cavity tubular structure's sleeve and two folding scale of accomodating at telescopic both ends, is provided with first scale table on each scale that stretches out and draws back, and telescopic top outer wall is provided with the second scale table. The central line positioning structure comprises a transverse rod, a horizontal ruler and a central line positioning device, wherein the transverse rod is vertically clamped at the top of the sleeve in the horizontal direction and can slide back and forth along the extension direction of the sleeve, reading holes for reading the second scale table are formed in the transverse rod, the horizontal ruler is arranged on the transverse rod, and the central line positioning device is arranged at any end of the transverse rod. When the shield central line is calibrated, the support structure is placed at the middle position of the bottom of the tunnel, the scale structure is adjusted on the horizontal plane through the level ruler, the telescopic scales contracted at the two ends of the sleeve are expanded and abutted against the shield pipe sheet, and the two ends of the telescopic scales are adjusted on the same section. The scales A, B of the two telescopic scales are read, the midline positioning structure is moved to the larger side of the scale by the distance of | A-B |/2 on the sleeve, namely, the midline positioning structure is adjusted at the midline position of the shield, and then the midline of the shield is calibrated by the midline positioning device. The utility model provides a shield tunnel central line calibration device operating method is simple and convenient, and measurement cost is lower, can be fast, accurately mark the central line in shield tunnel.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
Fig. 1 is a schematic view of a shield tunnel centerline calibration device provided in an embodiment of the present invention;
fig. 2 is a schematic view of a shield tunnel centerline calibration device provided in an embodiment of the present invention being placed in a shield tunnel;
fig. 3 is a top view that shield tunnel central line calibration device provided by the embodiment of the utility model placed.
Description of the reference numerals
1 supporting structure 2 level adjusting support
3 scale structure 4 central line location structure
Tripod of 5 triple prism 101
102 connecting seat 201 base
202 flat adjusting screw 203 braking device
301 sleeve 302 telescopic scale
303 first scale table 304 second scale table
305 rotation axis 306 position limiter
307 ejector pins 401
Center line positioning device of 402 level bar 403
404 reading hole 405 fixing piece
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description herein is only intended to illustrate and explain embodiments of the present invention, and is not intended to limit embodiments of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, top, bottom" and "upper" are generally used with respect to the orientation shown in the drawings or the positional relationship of the components with respect to each other in the vertical, vertical or gravitational direction.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1-3, an embodiment of the present invention provides a calibration device for a central line of a shield tunnel, including: a support structure 1; the horizontal adjusting support 2 is arranged on the supporting structure 1; the scale structure 3 comprises a sleeve 301 and two telescopic scales 302, the sleeve 301 is a hollow cylindrical structure with openings at two ends, two ends of the sleeve 301 are horizontally erected on the horizontal adjusting support 2 towards the shield segment respectively, the two telescopic scales 302 are respectively folded and accommodated at two ends of the sleeve 301, and the two telescopic scales 302 can abut against the shield segment when being unfolded and respectively extended out from the openings at two ends of the sleeve 301; a first scale table 303 is arranged on each telescopic scale 302, and a second scale table 304 is arranged on the outer wall of the top of the sleeve 301; the midline positioning structure 4 comprises a cross rod 401, a horizontal ruler 402 and a midline positioning device 403, wherein the cross rod 401 is vertically clamped at the top of the sleeve 301 in the horizontal direction, the cross rod 401 can slide back and forth along the extension direction of the sleeve 301, a reading hole 404 for reading the second scale table 304 is formed in the cross rod 401, the horizontal ruler 402 is arranged on the cross rod 401, and the midline positioning device 403 is arranged at any end of the cross rod 401.
Specifically, the embodiment of the utility model provides an in, shield tunnel central line calibration device includes bearing structure 1, sets up horizontal adjustment support 2, scale structure 3 and central line location structure 4 on bearing structure 1. Scale structure 3 includes sleeve 301 and two flexible scales 302, and sleeve 301 is both ends open-ended cavity tubular structure, and both ends erect on level (l) ing support 2 towards shield constructs section of jurisdiction level respectively. Two flexible scales 302 are folded respectively and are accomodate in the both ends of sleeve 301, and two flexible scales 302 can expand and stretch out from the both ends opening of sleeve 301 respectively to support and lean on the shield pipe piece of both sides, be provided with the first scale table 303 that is used for expressing flexible scale 302 extension length on each flexible scale 302, be provided with second scale table 304 at the top outer wall of sleeve 301, center department's scale is zero, increases to both sides equidistance.
The midline positioning structure 4 comprises a cross rod 401, a horizontal ruler 402 and a midline positioning device 403, wherein the cross rod 401 is vertically clamped at the top of the sleeve 301 in the horizontal direction and can slide back and forth along the extension direction of the sleeve 301, a reading hole 404 for reading the second scale table 304 is arranged on the cross rod 401, and the horizontal ruler 402 and the midline positioning device 403 are arranged on the cross rod 401.
When demarcating the shield centre line, place shield tunnel centre line calibration device in tunnel bottom intermediate position department earlier, erect bearing structure 1, place the both ends of sleeve 301 towards the shield section of jurisdiction, adjust sleeve 301 on the horizontal plane through level bar 402 to remove horizontal pole 401 to the zero scale position of sleeve 301. And then expanding the telescopic scales 302 contracted at the two ends of the sleeve 301 to abut against the shield pipe sheet. And then adjusting the position of the shield tunnel center line calibration device to ensure that the distance between the top end of each telescopic scale 302 and the edge of the shield segment of the same ring is equal, and adjusting the two ends of each telescopic scale 302 on the cross section of the same tunnel.
The scales A, B of the two telescopic scales 302 are read, the midline positioning structure 4 is moved to the larger side of the scales by the distance of | A-B |/2 along the sleeve 301, the midline positioning structure 4 is adjusted to the midline position of the shield tunnel, and then the midline positioning device 403 is started to calibrate the shield midline. For example, the reading of the first scale table 303 on the telescopic scale 302 on the left side is 2.1 meters, the reading of the first scale table 303 on the telescopic scale 302 on the right side is 2.5 meters, and the centerline positioning structure 4 is close to the left side of the centerline of the tunnel, the cross rod 401 is moved to the right side along the sleeve 301 by a distance of |2.1-2.5|/2, that is, 0.2 meters, so that the centerline positioning structure 4 can be adjusted to the centerline position of the shield tunnel, and then the centerline positioning device 403 is started to calibrate the shield centerline.
The utility model provides a shield tunnel central line calibration device operating method is simple and convenient, and measurement cost is lower, can be fast, accurately mark the central line in shield tunnel for the construction progress.
Further, the support structure 1 comprises: a tripod 101 and a connecting seat 102 arranged at the top end of the tripod 101, wherein the horizontal adjusting support 2 is arranged on the connecting seat 102.
Further, the horizontal adjusting support 2 includes a base 201 and at least three horizontal adjusting screws 202, one end of each horizontal adjusting screw 202 is movably inserted into the top surface of the connecting seat 102, the other end of each horizontal adjusting screw is in threaded connection with the base 201 through an opening on the bottom surface of the base 201, and the distance between the bottom surface of the base 201 and the top surface of the connecting seat 102 can be adjusted by rotating the horizontal adjusting screws 202, so that the scale structure 3 is in a horizontal state.
Specifically, in the embodiment of the utility model, horizontal adjustment support 2 includes base 201 and at least three horizontal adjustment screw 202, three horizontal adjustment screw 202 sets up between base 201 and connecting seat 102, the one end of each horizontal adjustment screw 202 is inserted and is established on connecting seat 102, the other end passes through the bottom surface trompil and the base 201 threaded connection of base 201, place shield tunnel central line calibration device in tunnel bottom intermediate position department, can be through rotating one or more horizontal adjustment screw 202 among them, adjust the distance between base 201 and the connecting seat 102, make the scale structure 3 that sets up on adjusting base 201 be in the horizontality.
According to the utility model provides a shield tunnel central line calibration device, simple structure can adjust scale structure to the horizontality through rotatory flat adjusting screw, has improved the work efficiency that the central line was markd.
Further, a rotating shaft 305 is vertically fixed at the middle position of the bottom of the sleeve 301, the rotating shaft 305 is vertically inserted into the top surface opening of the base 201, and the scale structure 3 can rotate by using the rotating shaft 305 as an axis.
Specifically, in the embodiment of the utility model provides an in, the bottom intermediate position vertical fixation of sleeve 301 has pivot 305, pivot 305 inserts perpendicularly and establishes in the top surface open pore of base 201, scale structure 3 can use pivot 305 to rotate as the axle, expand the flexible scale 302 that will shrink at sleeve 301 both ends and lean on after the shield constructs the section of jurisdiction, detect the top of each flexible scale 302 and the distance between the section of jurisdiction border of same ring shield, if the distance inequality, then revolute pivot 305 and rotate sleeve 301 and flexible scale 302, make the top of each flexible scale 302 and the distance between the section of jurisdiction border of same ring shield equal, adjust the both ends of flexible scale 302 on same tunnel cross section.
According to the utility model provides a shield tunnel central line calibration device can need not to rotate or move bearing structure 1's position around, directly rotates sleeve 301 and flexible scale 302 and can adjust the both ends of flexible scale 302 on same tunnel cross section, and convenient operation is swift, has improved work efficiency.
Further, a braking device 203 for limiting the rotation of the rotating shaft 305 is arranged on the base 201.
Specifically, in the embodiment of the present invention, the base 201 is provided with the braking device 203 for limiting the rotation of the rotating shaft 305, and after the two ends of the telescopic ruler 302 are adjusted on the same tunnel cross section, the rotating shaft 305 can be fixed through the braking device 203. In a possible embodiment, a braking hole is formed in the side of the base 201, the braking hole is communicated with a rotating hole for inserting the rotating shaft 305, an internal thread is formed on the inner hole wall of the braking hole, and an external thread matched with the internal thread is formed on the outer wall of the braking device 203. The stopper 203 is screwed inward to contact the stopper 203 with the fixed rotation shaft 305, so that the fixed rotation shaft 305 is prevented from rotating and the fixed rotation shaft 305 is stopped.
According to the utility model provides a shield tunnel central line calibration device can prevent that sleeve 301 and flexible scale 302 from rotating by oneself when maring the tunnel central line, avoids central line positioner 403 to remove, leads to the central line to mark inaccurately, has further improved the accuracy that the tunnel central line was markd.
Further, the sleeve 301 is provided with a stopper 306 at two ends thereof for preventing the centerline positioning structure 4 from slipping off.
Specifically, the embodiment of the utility model provides an in, sleeve 301 both ends are provided with the locating part 306 that prevents the 4 slippage of central line location structure, and locating part 306 can prevent to damage central line location structure 4 for setting up the bellying at sleeve 301 both ends when moving shield tunnel central line calibration device, and sleeve 301 is gone out to the 4 slippage of central line location structure, influences the accuracy that the central line was markd.
According to the utility model provides a shield tunnel central line calibration device can improve shield tunnel central line calibration device's stability, improves life, guarantees shield tunnel central line calibration device's accuracy.
Further, a fixing member 405 for limiting the sliding of the crossbar 401 is disposed on the crossbar 401.
Specifically, in the embodiment of the present invention, after the cross rod 401 is moved to the position of the center line of the tunnel, the cross rod 401 may be fixed by the fixing member 405, so as to prevent the cross rod 401 from moving again. In a possible embodiment, a through hole is formed at the top of the cross rod 401, an internal thread is provided on the inner hole wall of the through hole, and an external thread matched with the internal thread is provided on the outer wall of the fixing member 405. Tightening down on the retainer 405 brings the retainer 405 into contact with the sleeve 301, which prevents the crossbar 401 from sliding on the sleeve 301, braking the sleeve crossbar 401.
According to the utility model provides a shield tunnel central line calibration device can prevent that horizontal pole 401 from sliding by oneself when maring the tunnel central line, avoids central line positioner 403 to remove, leads to the central line to mark inaccurately, further improves the accuracy that the tunnel central line was markd.
Further, a metal thimble 307 is provided at an extended end of the telescopic scale 302.
Specifically, in the embodiment of the utility model provides an in, metal thimble 307 can reduce the wearing and tearing of flexible scale 302, avoids causing the inaccurate problem of extension length detection because of flexible scale 302 wearing and tearing, improves the accuracy that the tunnel was markd and shield tunnel central line calibration device's life. Further, a metal thimble 307 is detachably provided at the protruding end of the telescopic scale 302, and the metal thimble 307 can be replaced in time when it is worn.
Further, the midline positioning device 403 is an infrared positioning device or a laser positioning device.
Specifically, in the embodiment of the utility model provides an in, central line positioner 403 is infrared positioner or laser positioner, can select according to user's user demand, the embodiment of the utility model provides an in do not restrict.
Further, the shield tunnel centerline calibration device further comprises: and a triangular prism 5 disposed on the cross bar 401.
Specifically, the embodiment of the utility model provides an in, still be provided with prism 5 on horizontal pole 401, after having markd the tunnel central line, can directly adopt the total powerstation to collect the central point coordinate of prism 5 that sets up on horizontal pole 401, carry out tunnel survey work on next step.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1. The utility model provides a shield tunnel central line calibration device which characterized in that, shield tunnel central line calibration device includes:
a support structure (1);
a horizontal adjustment support (2) arranged on the support structure (1);
the scale structure (3) comprises a sleeve (301) and two telescopic scales (302), the sleeve (301) is a hollow cylindrical structure with openings at two ends, two ends of the sleeve (301) are horizontally erected on the horizontal adjusting support (2) towards the shield segment respectively, the two telescopic scales (302) are respectively folded and accommodated at two ends of the sleeve (301), and the two telescopic scales (302) can abut against the shield segment when being unfolded and respectively extend out of the openings at two ends of the sleeve (301); a first scale table (303) is arranged on each telescopic scale (302), and a second scale table (304) is arranged on the outer wall of the top of the sleeve (301);
the center line positioning structure (4) comprises a cross rod (401), a horizontal ruler (402) and a center line positioning device (403), wherein the cross rod (401) is vertically clamped at the top of the sleeve (301) in the horizontal direction, the cross rod (401) can slide back and forth along the extending direction of the sleeve (301), a reading hole (404) for reading the second scale table (304) is formed in the cross rod (401), the horizontal ruler (402) is arranged on the cross rod (401), and the center line positioning device (403) is arranged at any end of the cross rod (401).
2. The shield tunnel midline calibration arrangement according to claim 1, wherein the support structure (1) comprises: the horizontal adjusting device comprises a tripod (101) and a connecting seat (102) arranged at the top end of the tripod (101), wherein the horizontal adjusting support (2) is arranged on the connecting seat (102).
3. The shield tunnel center line calibration device according to claim 2, wherein the horizontal adjustment support (2) comprises a base (201) and at least three horizontal adjustment screws (202), one end of each horizontal adjustment screw (202) is movably inserted on the top surface of the connection seat (102), the other end of each horizontal adjustment screw is in threaded connection with the base (201) through an opening on the bottom surface of the base (201), and the distance between the bottom surface of the base (201) and the top surface of the connection seat (102) can be adjusted by rotating the horizontal adjustment screws (202), so that the scale structure (3) is in a horizontal state.
4. The shield tunnel centerline calibration device according to claim 3, wherein a rotating shaft (305) is vertically fixed at a middle position of the bottom of the sleeve (301), the rotating shaft (305) is vertically inserted into the top surface opening of the base (201), and the scale structure (3) can rotate around the rotating shaft (305).
5. The shield tunnel centerline calibration device as claimed in claim 4, wherein a braking device (203) for limiting the rotation of the rotating shaft (305) is arranged on the base (201).
6. The shield tunnel midline calibration device according to claim 1, wherein both ends of the sleeve (301) are provided with a stopper (306) for preventing the midline positioning structure (4) from slipping.
7. The shield tunnel midline calibration device according to claim 1, wherein the cross bar (401) is provided with a fixing member (405) for limiting the sliding of the cross bar (401).
8. The shield tunnel centerline calibration device according to any one of claims 1 to 7, wherein the extended end of the telescopic ruler (302) is provided with a metal thimble (307).
9. The shield tunnel midline calibration device according to any one of claims 1-7, wherein the midline positioning device (403) is an infrared positioning device or a laser positioning device.
10. The shield tunnel centerline calibration device according to any one of claims 1 to 7, further comprising: and the triangular prisms (5) are arranged on the cross bar (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020493526.9U CN212007222U (en) | 2020-04-07 | 2020-04-07 | Shield tunnel central line calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020493526.9U CN212007222U (en) | 2020-04-07 | 2020-04-07 | Shield tunnel central line calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212007222U true CN212007222U (en) | 2020-11-24 |
Family
ID=73403794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020493526.9U Expired - Fee Related CN212007222U (en) | 2020-04-07 | 2020-04-07 | Shield tunnel central line calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212007222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278309A (en) * | 2021-12-06 | 2022-04-05 | 绍兴文理学院 | Tunnel position adjusting and positioning device in tunnel physical model |
-
2020
- 2020-04-07 CN CN202020493526.9U patent/CN212007222U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278309A (en) * | 2021-12-06 | 2022-04-05 | 绍兴文理学院 | Tunnel position adjusting and positioning device in tunnel physical model |
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| 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: 20201124 |