CN211503954U - Shield tail gap measuring device of shield machine - Google Patents
Shield tail gap measuring device of shield machine Download PDFInfo
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- CN211503954U CN211503954U CN202020396667.9U CN202020396667U CN211503954U CN 211503954 U CN211503954 U CN 211503954U CN 202020396667 U CN202020396667 U CN 202020396667U CN 211503954 U CN211503954 U CN 211503954U
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- shield tail
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- shield
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Abstract
The utility model relates to a shield constructs quick-witted shield tail clearance measuring device, shield tail clearance form between shield tail inner wall and the section of jurisdiction outer wall that corresponds, and measuring device includes: the end part of the contact plate is fixedly arranged on the inner wall of the shield tail and is provided with an elastic contact plate, the contact plate is bent, one side of the contact plate, far away from the shield tail, can rotate around the end part fixedly arranged on the inner wall of the shield tail to be adjusted, and one side of the contact plate, far away from the shield tail, is abutted against the outer wall of the duct piece; and the angle sensor is fixedly connected to the contact plate and used for measuring the rotating angle of the contact plate, when the gap between the shield tails changes, the contact plate deforms, so that one side, attached to the outer wall of the duct piece, of the contact plate rotates around the end part fixedly arranged on the inner wall of the shield tail, the rotating angle value of the contact plate is measured through the angle sensor, and the corresponding gap between the shield tails can be calculated according to the angle value. The utility model discloses avoided adopting non-contact's measurement mode to receive external environment influence's problem easily among the prior art for measured data is more accurate.
Description
Technical Field
The utility model relates to a shield constructs quick-witted technical field, refers in particular to a shield tail clearance measuring device of shield constructs machine.
Background
The shield tail clearance is an important technical index in the construction of the shield machine, and the shield tail clearance can influence whether the segments of the shield machine can be normally installed and the deviation rectifying posture of the shield machine, so that the subsequent construction planning of equipment and the construction quality of a tunnel are influenced. The shield tail clearance measuring object is the distance between the shield tail and the duct piece, and the shield tail and the duct piece move relatively, so that the shield tail clearance is measured by adopting a non-contact measuring mode in the prior art. For example, an optical instrument is used to measure the distance of the shield tail gap through visual identification and conversion, but such a non-contact measurement method is easily affected by the external environment, so that the measurement error of the shield tail gap is large.
Therefore, it is desirable to provide a device for measuring the tail clearance of a shield tunneling machine, which can measure more accurately, so as to solve the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a shield tail clearance measurement device of shield machine to solve the great problem of shield tail clearance error that current shield tail clearance measurement mode recorded.
In order to achieve the above object, the utility model provides a shield tail clearance measuring device of shield machine, the shield tail clearance form in between shield tail inner wall and the section of jurisdiction outer wall that corresponds, measuring device includes:
the end part of the contact plate is fixedly arranged on the inner wall of the shield tail and is provided with an elastic contact plate, the contact plate is bent, one side, away from the shield tail, of the contact plate can rotate around the end part fixedly arranged on the inner wall of the shield tail to be adjusted, and one side, away from the shield tail, of the contact plate is abutted to the outer wall of the duct piece; and
fixed connection in the angle sensor of contact plate is used for measuring the contact plate pivoted angle when the shield tail clearance changes, the contact plate takes place deformation and then makes the contact plate with one side that the section of jurisdiction outer wall pasted is round set firmly in the tip of shield tail inner wall rotates, through angle sensor records the contact plate pivoted angle value, according to the angle value can calculate corresponding shield tail clearance.
The utility model discloses a set up and have elastic contact plate, when the shield tail clearance changes, the contact plate takes place deformation and then makes one side that contact plate and section of jurisdiction outer wall pasted rotate round the tip that sets firmly in the shield tail inner wall, record contact plate pivoted angle value through angle sensor, can calculate corresponding shield tail clearance according to the angle value, this application adopts the measuring method of contact to measure the shield tail clearance, set firmly the contact plate tip in the shield tail inner wall and keep away from one side of shield tail can rotate around the tip that sets firmly on the shield tail inner wall and adjust and top paste on the section of jurisdiction outer wall, the measuring method who has avoided adopting non-contact among the prior art easily receives the problem of external environment influence, make measured data more accurate.
The utility model discloses shield machine shield tail clearance measuring device's further improvement lies in, still includes the elastic component, elastic component one end fixed connection in shield tail inner wall, other end fixed connection in keep away from on the contact plate one side and the shore of shield tail the contact plate makes the contact plate hug closely in the section of jurisdiction outer wall.
The shield tail clearance measuring device of the shield machine of the utility model is further improved in that a connecting shaft parallel to the inner wall of the shield tail is arranged at the position of the contact plate close to the shield tail;
a coupling is mounted and connected at one end of the connecting shaft, which is far away from the contact plate;
the angle sensor is arranged on the inner wall of the shield tail;
the angle sensor is connected with one end, far away from the connecting shaft, of the coupler through a rotating shaft in an installing mode.
The shield tail clearance measuring device of the shield tunneling machine of the utility model is further improved by comprising a fixing plate fixedly arranged on the inner wall of the shield tail;
the contact plate and the elastic piece are fixedly arranged on the fixing plate.
The utility model discloses shield machine shield tail clearance measuring device's further improvement lies in, still include with angle sensor communication connection's PLC, PLC receives angle sensor sends the angle value, rethread calculation obtains the correspondence the shield tail clearance.
Drawings
Fig. 1 is the utility model discloses the mounting structure sketch map of shield tail clearance measurement device installation between shield tail and section of jurisdiction of shield machine.
Fig. 2 is a partially enlarged schematic view of a region a in fig. 1.
Fig. 3 is the utility model discloses shield constructs quick-witted shield tail clearance measurement device installs the plan view on the shield tail.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. 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.
The utility model provides a shield tail clearance measuring device of shield constructs machine for measure the shield tail clearance, the shield tail clearance is formed between shield tail inner wall and the section of jurisdiction outer wall that corresponds. The utility model discloses a contact plate and angle sensor, have elastic contact plate through the setting, when the shield tail clearance changes, the contact plate takes place deformation and then makes one side that contact plate and section of jurisdiction outer wall pasted rotate round the tip that sets firmly in the shield tail inner wall, record contact plate pivoted angle value through angle sensor, can calculate corresponding shield tail clearance according to the angle value, this application adopts the measuring method of contact to measure the shield tail clearance, set firmly the contact plate tip in the shield tail inner wall and keep away from one side of shield tail and can rotate around the tip that sets firmly on the shield tail inner wall and adjust and the top paste on the section of jurisdiction outer wall, the problem that adopts non-contact's measuring method to receive external environment influence easily among the prior art has been avoided, make measured data more accurate.
The following describes the gap measuring device for the shield tail of the shield tunneling machine according to the present invention with reference to the accompanying drawings.
Referring to fig. 1 and fig. 2, fig. 1 shows a schematic view of a mounting structure of a shield tail gap measuring device of a shield tunneling machine of the present invention installed between a shield tail and a duct piece, and fig. 2 shows a schematic view of a local enlargement of an area a in fig. 1. In this embodiment, a shield tail clearance measuring device of shield machine, shield tail clearance are formed between 8 inner walls of shield tail and the section of jurisdiction 9 outer wall that corresponds, and measuring device includes: the end part of the contact plate 1 is fixedly arranged on the inner wall of the shield tail 8 and has elasticity, the angle sensor 2 is fixedly connected with the contact plate 1, the contact plate 1 is in a bent shape, one side of the contact plate 1, far away from the shield tail 8, can rotate around the end part fixedly arranged on the inner wall of the shield tail 8 to be adjusted, one side of the contact plate 1, far away from the shield tail 8, is abutted against the outer wall of the duct piece 9,
The measuring device in this embodiment adopts a contact measuring method to measure the gap between the shield tails 8, the end of the contact plate 1 is fixed on the inner wall of the shield tail 8, the side of the contact plate 1 away from the shield tail 8 is attached to the outer wall of the duct piece 9, the contact plate 1 has elasticity to make the contact plate 1 be located between the inner wall of the shield tail 8 and the outer wall of the duct piece 9 in a bending shape, the side of the contact plate 1 away from the shield tail 8 can be adjusted by rotating around the end fixed on the inner wall of the shield tail 8, when the gap between the shield tails 8 changes, the contact plate 1 deforms to make the side of the contact plate 1 attached to the outer wall of the duct piece 9 rotate around the end fixed on the inner wall of the shield tail 8, the angle value of the rotation of the contact plate 1 is measured by the angle sensor 2, the corresponding gap between the shield tails 8 can be calculated according to the angle value, the measured data is more accurate.
Referring to fig. 1 and 2, in one embodiment, the measuring device further includes an elastic member 4, one end of the elastic member 4 is fixedly connected to the inner wall of the shield tail 8, and the other end of the elastic member 4 is fixedly connected to the side of the contact plate 1 far away from the shield tail 8 and props up the contact plate 1 so that the contact plate 1 is tightly attached to the outer wall of the duct piece 9. Elastic component 4 props between 8 inner walls of shield tail and the section of jurisdiction 9 outer wall on the top under its own elasticity effect, and along with the increase in 8 clearances of shield tail or diminish, contact plate 1 takes place deformation under the elasticity of elastic component 4 and the elasticity effect of contact plate 1 self for the state of pasting in section of jurisdiction 9 outer wall is kept on the top in beginning contact plate 1 end. Because a plurality of burrs are arranged on the outer wall of the duct piece 9, a certain gap is always kept between the outer wall of the duct piece 9 and the inner wall of the shield tail 8 under the supporting action of the elasticity of the elastic piece 4, and the problem that the inner wall of the shield tail 8 is abraded by the burrs is avoided.
Referring to fig. 2 and 3, a connecting shaft 3 parallel to the inner wall of the shield tail 8 is arranged at a position, close to the shield tail 8, of the contact plate 1, a coupler 5 is installed and connected at one end, far away from the contact plate 1, of the connecting shaft 3, an angle sensor 2 is arranged on the inner wall of the shield tail 8, and the angle sensor 2 is installed and connected at one end, far away from the connecting shaft 3, of the coupler 5 through a rotating shaft 6. When the 8 clearances of shield tail change, contact plate 1 takes place deformation and then makes one side that contact plate 1 and section of jurisdiction 9 outer wall pasted rotate round the tip that sets firmly in 8 inner walls of shield tail, and then drive connecting axle 3 and rotate, pivot 6 passes through shaft coupling 5 and connecting axle 3 synchronous rotation, angle sensor 2 measures 6 pivoted angle values of pivot simultaneously, measure 1 pivoted angle values of contact plate for angle sensor 2 promptly, can calculate corresponding 8 clearances of shield tail according to this angle value, the problem that adopts non-contact's measurement mode to receive external environment influence easily among the prior art has been avoided, make measured data more accurate.
Referring to fig. 2, the measuring apparatus in this embodiment further includes a fixing plate 7 fixed on the inner wall of the shield tail 8, and the contact plate 1 and the elastic member 4 are fixed on the fixing plate 7.
Referring to fig. 2, specifically, the fixing plate 7 is fixed on the inner wall of the shield tail 8 by bolts 71.
The measuring device in this embodiment further includes a PLC in communication connection with the angle sensor 2, and the PLC receives the angle value sent by the angle sensor 2 and then calculates to obtain the corresponding gap of the shield tail 8.
Specifically, when the measuring device in this embodiment is installed, when the initial installation is measured and calculated according to the first installation position of the contact plate 1 on the inner wall of the shield tail 8, the second installation position of the elastic element 4 on the inner wall of the shield tail 8 and the third installation position of the outer wall of the duct piece 9 to which the contact plate 1 is attached during the initial installation, the initial angle value between the contact plate 1 and the inner wall of the shield tail 8 and the gap value of the shield tail 8 during the initial installation are obtained by the PLC, and when the gap of the shield tail 8 changes, the PLC calculates the current actual gap value of the shield tail 8 according to the initial angle value, the gap value of the shield tail 8 and the real-time angle change value sent by the angle sensor 2.
Preferably, a plurality of pairs of shield tail clearance measuring devices are uniformly distributed on the inner wall of the shield tail 8 corresponding to the outer wall of the duct piece 9, each pair of shield tail clearance measuring devices are symmetrically arranged relative to the duct piece 9, a plurality of groups of shield tail clearance data of different positions of the shield tail 8 clearance are measured by the plurality of pairs of shield tail clearance measuring devices, and whether the duct piece 9 is accurately installed or not is obtained by comparing and analyzing each group of interval data, so that the posture of the shield machine can be better controlled and corrected.
The following explains the work flow of the shield tail clearance measuring device of the shield tunneling machine of the utility model.
When the 8 clearances of shield tail change, contact plate 1 takes place deformation and then makes one side that contact plate 1 and section of jurisdiction 9 outer wall pasted rotate round the tip that sets firmly in 8 inner walls of shield tail, and then drives connecting axle 3 and rotate, and pivot 6 passes through shaft coupling 5 and connecting axle 3 synchronous rotation, and angle sensor 2 measures the pivoted angle value of pivot 6 simultaneously, measures 1 pivoted angle value of contact plate for angle sensor 2 promptly, can calculate corresponding 8 clearances of shield tail according to this angle value.
By adopting the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses a set up and have elastic contact plate, when the shield tail clearance changes, the contact plate takes place deformation and then makes one side that contact plate and section of jurisdiction outer wall pasted rotate round the tip that sets firmly in the shield tail inner wall, record contact plate pivoted angle value through angle sensor, can calculate corresponding shield tail clearance according to the angle value, this application adopts the measuring method of contact to measure the shield tail clearance, set firmly the contact plate tip in the shield tail inner wall and keep away from one side of shield tail can rotate around the tip that sets firmly on the shield tail inner wall and adjust and top paste on the section of jurisdiction outer wall, the measuring method who has avoided adopting non-contact among the prior art easily receives the problem of external environment influence, make measured data more accurate. And the contact plate is matched with the elastic piece to enable the outer wall of the duct piece and the inner wall of the shield tail to always keep a certain distance, so that the abrasion of burrs on the outer wall of the duct piece on the inner wall of the shield tail is prevented.
It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (5)
1. The utility model provides a shield tail clearance measuring device of shield constructs machine, the shield tail clearance form in between shield tail inner wall and the section of jurisdiction outer wall that corresponds, its characterized in that, measuring device includes:
the end part of the contact plate is fixedly arranged on the inner wall of the shield tail and is provided with an elastic contact plate, the contact plate is bent, one side, away from the shield tail, of the contact plate can rotate around the end part fixedly arranged on the inner wall of the shield tail to be adjusted, and one side, away from the shield tail, of the contact plate is abutted to the outer wall of the duct piece; and
fixed connection in the angle sensor of contact plate is used for measuring the contact plate pivoted angle when the shield tail clearance changes, the contact plate takes place deformation and then makes the contact plate with one side that the section of jurisdiction outer wall pasted is round set firmly in the tip of shield tail inner wall rotates, through angle sensor records the contact plate pivoted angle value, according to the angle value can calculate correspondingly the shield tail clearance.
2. The device for measuring the gap between the shield tail of the shield tunneling machine of claim 1, further comprising an elastic member, wherein one end of the elastic member is fixedly connected to the inner wall of the shield tail, and the other end of the elastic member is fixedly connected to the side of the contact plate away from the shield tail and props up the contact plate to enable the contact plate to be tightly attached to the outer wall of the segment.
3. The shield tail clearance measuring device of the shield tunneling machine of claim 2, wherein a connecting shaft parallel to the inner wall of the shield tail is arranged at the position, close to the shield tail, of the contact plate;
a coupling is mounted and connected at one end of the connecting shaft, which is far away from the contact plate;
the angle sensor is arranged on the inner wall of the shield tail;
the angle sensor is connected with one end, far away from the connecting shaft, of the coupler through a rotating shaft in an installing mode.
4. The shield tail clearance measuring device of the shield tunneling machine of claim 2, further comprising a fixing plate fixedly arranged on the inner wall of the shield tail;
the contact plate and the elastic piece are fixedly arranged on the fixing plate.
5. The shield tail clearance measuring device of the shield tunneling machine of claim 1, further comprising a PLC in communication connection with the angle sensor, wherein the PLC receives the angle value sent by the angle sensor and calculates the corresponding shield tail clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020396667.9U CN211503954U (en) | 2020-03-25 | 2020-03-25 | Shield tail gap measuring device of shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020396667.9U CN211503954U (en) | 2020-03-25 | 2020-03-25 | Shield tail gap measuring device of shield machine |
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| Publication Number | Publication Date |
|---|---|
| CN211503954U true CN211503954U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020396667.9U Active CN211503954U (en) | 2020-03-25 | 2020-03-25 | Shield tail gap measuring device of shield machine |
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| CN (1) | CN211503954U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000887A (en) * | 2021-11-22 | 2022-02-01 | 盾构及掘进技术国家重点实验室 | Stay wire type shield/TBM shield tail clearance real-time measuring device and measuring method thereof |
| CN114111555A (en) * | 2021-11-22 | 2022-03-01 | 盾构及掘进技术国家重点实验室 | Mechanical shield/TBM shield tail clearance real-time measuring device and measuring method thereof |
| CN114111554A (en) * | 2021-11-22 | 2022-03-01 | 盾构及掘进技术国家重点实验室 | Real-time measuring device and method for shield tail clearance of resistance type shield/TBM (tunnel boring machine) |
-
2020
- 2020-03-25 CN CN202020396667.9U patent/CN211503954U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000887A (en) * | 2021-11-22 | 2022-02-01 | 盾构及掘进技术国家重点实验室 | Stay wire type shield/TBM shield tail clearance real-time measuring device and measuring method thereof |
| CN114111555A (en) * | 2021-11-22 | 2022-03-01 | 盾构及掘进技术国家重点实验室 | Mechanical shield/TBM shield tail clearance real-time measuring device and measuring method thereof |
| CN114111554A (en) * | 2021-11-22 | 2022-03-01 | 盾构及掘进技术国家重点实验室 | Real-time measuring device and method for shield tail clearance of resistance type shield/TBM (tunnel boring machine) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211117 Address after: No. 1099, No. 5, Wan Ping Nan Road, Xuhui District, Shanghai Patentee after: SHANGHAI TUNNEL ENGINEERING Co.,Ltd. Patentee after: Shanghai Waigaoqiao tunnel machinery Co.,Ltd. Address before: No. 1099, No. 5, Wan Ping Nan Road, Xuhui District, Shanghai Patentee before: SHANGHAI TUNNEL ENGINEERING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 1099, No. 5, Wan Ping Nan Road, Xuhui District, Shanghai Patentee after: SHANGHAI TUNNEL ENGINEERING Co.,Ltd. Patentee after: Shanghai urban construction tunnel equipment Co., Ltd Address before: No. 1099, No. 5, Wan Ping Nan Road, Xuhui District, Shanghai Patentee before: SHANGHAI TUNNEL ENGINEERING Co.,Ltd. Patentee before: Shanghai Waigaoqiao tunnel machinery Co., Ltd |