CN204115719U - Tunnel cross-section measurement point laying out apparatus - Google Patents
Tunnel cross-section measurement point laying out apparatus Download PDFInfo
- Publication number
- CN204115719U CN204115719U CN201420415733.7U CN201420415733U CN204115719U CN 204115719 U CN204115719 U CN 204115719U CN 201420415733 U CN201420415733 U CN 201420415733U CN 204115719 U CN204115719 U CN 204115719U
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- China
- Prior art keywords
- expansion plate
- measurement point
- tunnel cross
- section
- laying out
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Abstract
The utility model discloses a kind of tunnel cross-section measurement point laying out apparatus and comprise base plate, laser instrument, first expansion plate, second expansion plate, base plate is provided with cavity, first expansion plate and the second expansion plate are oppositely arranged, and part is sheathed in cavity, first expansion plate, the side that second expansion plate is relative is respectively equipped with intermeshing first tooth bar, second tooth bar, adjustable screw is provided with between first tooth bar and the second tooth bar, adjustable screw provides power to make the first expansion plate and the second expansion plate stretch out cavity, first expansion plate and the second expansion plate are equipped with multiple mounting hole, base plate is provided with the through hole being communicated with cavity, laser instrument is located in mounting hole, when first expansion plate and the second expansion plate move, laser instrument stretches out through hole all the time.This device work efficiency is high, greatly reduce manpower and materials drops into and increases economic efficiency.
Description
Technical field
The utility model relates to tunnel survey technical field, particularly relates to a kind of tunnel cross-section measurement point laying out apparatus.
Background technology
Tunnel cross-section measurement is the displacement that the factors such as point factorial geology, construction cause shaping tunnel cross-section to produce, and whether by calculating tunnel cross-section real offset, judging to drive a vehicle can by design and installation, and mats formation for track and provide correction.Section survey, as the basic work of track installation and critical process, plays an important role to the quality control of engineering.During section survey, need the position first marking each section survey point on tunnel duct piece, method traditional at present carries out setting-out by spirit-leveling instrument to be found out by section survey point, then be marked on the inwall of section of jurisdiction.But because between each section, design section design point position is usually different, the design attitude of each section point must pass through level setting-out out by actual measurement mileage and corresponding design altitude, and the quantity of section survey point is more, a section survey point once can only be marked by spirit-leveling instrument setting-out, therefore the setting-out absolute altitude of section survey point needs to drop into a large amount of manpower and materials, workload is very big, inefficiency, and data processing work amount is large, even have a strong impact on construction speed because result of calculation provides not in time, cause economic loss.
Summary of the invention
The purpose of this utility model is to provide a kind of tunnel cross-section measurement point laying out apparatus, can reach the object that work efficiency is high, reduce manpower and materials input and increase economic efficiency.
For realizing the purpose of this utility model, the technical scheme taked is:
A kind of tunnel cross-section measurement point laying out apparatus comprises base plate, laser instrument, first expansion plate and the second expansion plate, base plate is provided with cavity, first expansion plate and the second expansion plate are oppositely arranged, and part is sheathed in cavity, first expansion plate, the side that second expansion plate is relative is respectively equipped with intermeshing first tooth bar, second tooth bar, adjustable screw is provided with between first tooth bar and the second tooth bar, adjustable screw provides power to make the first expansion plate and the second expansion plate stretch out cavity, first expansion plate and the second expansion plate are equipped with multiple mounting hole, base plate is provided with the through hole being communicated with cavity, laser instrument is located in mounting hole, when first expansion plate and the second expansion plate move, laser instrument stretches out through hole all the time.
By rotating adjustable screw, outwards or move inward make the first expansion plate and the second expansion plate simultaneously, realize the adjustment of tunnel cross-section measurement point laying out apparatus installation length, tunnel cross-section measurement point laying out apparatus installation length is determined by the physical length of crossing with rail level line 2 of section; A corresponding mounting hole of section survey point, the gross data being fitted through section survey point of laser instrument is arranged; Tunnel cross-section measurement point laying out apparatus is arranged on the surface level at section two places crossing with rail level line, opens laser instrument, the laser instrument laser spots position be incident upon on tunnel cross-section is the layout point position of section survey point.By tunnel cross-section measurement point laying out apparatus, can be marked disposable for section survey point, work efficiency is high; The specification in general same tunnel is identical, the mutual alignment of theoretical profile measurement point is identical, and a kind of tunnel of specification only need configure a tunnel cross-section measurement point laying out apparatus, can realize the setting-out of section survey point, therefore reduce manpower and materials widely to drop into, increase economic efficiency.
Below technical scheme is further illustrated:
Further, the line of centres of multiple mounting hole and cavity axis being parallel.The measurement point of tunnel cross-section is in the same plane, the line of centres of multiple mounting hole and cavity axis being parallel, during installation, by the position of adjustment tunnel cross-section measurement point laying out apparatus, the straight line at the line of centres of multiple mounting hole and section two places crossing with rail level line is overlapped, then mounting hole center and section survey point in the same plane, the installation of laser instrument is arranged more simple, and improve the precision of tunnel cross-section measurement point laying out apparatus, and be convenient at different cross section regulation tunnel cross-section measurement point laying out apparatus, improve the versatility of tunnel cross-section measurement point laying out apparatus.
Further, mounting hole is inclined hole, and through hole is bar hole, and when the first expansion plate and the second expansion plate move, inclined hole is positioned at immediately below bar hole all the time.The measurement point of tunnel cross-section is positioned at different positions, a corresponding mounting hole of section survey point, the line at section survey point and mounting hole center from there is between base plate different angles, mounting hole is set to inclined hole, the installation of laser instrument is arranged more simple.During owing to installing in tunnel, certain skew can be there is, also certain movement can be there is in the position of section survey point, therefore the installation site of laser instrument also needs to move, produce with base plate in laser instrument moving process and collide, the through hole of base plate is set to bar hole, and when the first expansion plate and described second expansion plate move, inclined hole is positioned at immediately below bar hole all the time.
Further, tunnel cross-section measurement laying out apparatus also comprises roller bearing, and roller bearing is coupling in cavity upper and lower surface and abuts against with the upper and lower surface of the first expansion plate and the second expansion plate respectively.First expansion plate upper and lower surface and be equipped with roller bearing between the second expansion plate upper and lower surface and cavity inwall, adjustable screw promotes the first expansion plate and the second expansion plate when moving, first expansion plate and the second expansion plate are in the enterprising line slip of roller bearing, the moving direction of the first expansion plate and the second expansion plate can not only be ensured, more laborsaving when also making mobile.
Further, roller bearing axial line and cavity axis perpendicular.First expansion plate and the second expansion plate are moved along cavity axis, makes when the collapsing length of adjustment first expansion plate and the second expansion plate, more convenient.
Further, tunnel cross-section measurement laying out apparatus also comprises level meter, and plate upper surface is located at by level meter.Level meter is set in upper base surface, ensures that base plate is positioned at the surface level at section two places crossing with rail level line, make tunnel cross-section measurement point laying out apparatus install more accurate, improve the precision of tunnel cross-section measurement point laying out apparatus further.
Further, one end upper surface that the first expansion plate and the second expansion plate stretch out described cavity is provided with scale mark.By scale mark, determining the displacement of the first expansion plate and the second expansion plate, making when adjusting the installation length of tunnel cross-section measurement point laying out apparatus, more convenient.
Compared with prior art, the utility model has following beneficial effect:
Before tunnel cross-section measurement point laying out apparatus is installed, according to the physical length of crossing with rail level line 2 of section, by the installation length of adjustable screw adjustment tunnel cross-section measurement point laying out apparatus, one end that first expansion plate and the second expansion plate stretch out bottom cavity is provided with scale mark, by scale mark, determine the displacement of the first expansion plate and the second expansion plate; Tunnel cross-section measurement point laying out apparatus is arranged on the surface level at section two places crossing with rail level line, carries out leveling by the level meter on base plate; Open the laser instrument pre-set after leveling, the laser instrument laser spots be incident upon on tunnel is the setting-out position of section survey point.By tunnel cross-section measurement point laying out apparatus, can be marked disposable for section survey point, work efficiency is high, by the tunnel that one kilometer of specification is 6 meters, adopt traditional level setting out method to complete setting-out and need about 18-19 days, and complete setting-out by tunnel cross-section measurement point laying out apparatus and only need 2-3 days; The specification in general same tunnel is identical, the mutual alignment of theoretical profile measurement point is identical, a kind of tunnel of specification only need configure a tunnel cross-section measurement point laying out apparatus, tunnel cross-section measurement point laying out apparatus is adopted only to need 4 personnel can realize the setting-out of section survey point, and adopt traditional level setting out method need configure 2 spirit-leveling instruments, and need 8 survey crews to measure, therefore reduce manpower and materials widely and drop into, increase economic efficiency widely.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model implements tunnel cross-section measurement point laying out apparatus;
Fig. 2 is the operating diagram that the utility model implements tunnel cross-section measurement point laying out apparatus.
Description of reference numerals:
100. base plates, 101. bar holes, 102. cavities, 103. level meters, 201. inclined holes, 202. adjustable screws, 203. roller bearings, 210. first expansion plates, 211. first tooth bars, 220. second expansion plates, 221. second tooth bars, 300. laser instruments, 400. tunnel cross-sections, 401a, lower-left section survey point, 401b, left section survey point, 401c, upper left section survey point, 401d, Top section measurement point, 401e, upper right section survey point, 401f, right section survey point, 401g, bottom right section survey point, 402a, 402b. section two points crossing with rail level line.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail:
As shown in Figure 1, a kind of tunnel cross-section measurement point laying out apparatus comprises base plate 100, laser instrument 300, first expansion plate 210 and the second expansion plate 220, base plate is provided with cavity 102, first expansion plate 210 and the second expansion plate 220 are oppositely arranged, and part is sheathed in cavity 102, first expansion plate 210, the side that second expansion plate 220 is relative is respectively equipped with the first relative tooth bar 211 of upper and lower level, second tooth bar 221, adjustable screw 202 is provided with between first tooth bar 211 and the second tooth bar 221, adjustable screw 202 provides power to make the first expansion plate 210 and the second expansion plate 220 stretch out cavity 102, by rotating adjustable screw 202, first expansion plate 210 and the second expansion plate 220 are moved simultaneously, realize the adjustment of tunnel cross-section measurement point laying out apparatus installation length.
First expansion plate 210 and the second expansion plate 220 are equipped with multiple inclined hole 201, the line of centres of inclined hole 201 and cavity 102 axis being parallel, and base plate 100 is provided with the bar hole 101 being communicated with cavity 102, and laser instrument 300 is located in inclined hole 201.As shown in Figure 2, section survey point is positioned at different positions, a corresponding inclined hole 201 of section survey point, and the line at section survey point and inclined hole 201 center has different angles between base plate 100, mounting hole is set to inclined hole 201, the installation of laser instrument 300 is arranged more simple.As Fig. 1, shown in 2, tunnel cross-section measurement point is in the same plane, the line of centres of multiple inclined hole 201 and cavity 102 axis being parallel, during installation, by the position of adjustment tunnel cross-section measurement point laying out apparatus, make the line of centres of multiple inclined hole 201 and section two 402as crossing with rail level line, the straight line at 402b place overlaps, then inclined hole 201 center and section survey point in the same plane, the installation of laser instrument 300 is arranged more simple, and improve the precision of tunnel cross-section measurement point laying out apparatus, and be convenient at different cross section regulation tunnel cross-section measurement point laying out apparatus, improve the dirigibility of tunnel cross-section measurement point laying out apparatus.
In the present embodiment, the mounting hole of laser instrument 300 is inclined hole 201, and laser instrument 300 is directly located in inclined hole 201, and the angle of inclined hole 201 is the emission angle of laser.The mounting hole of laser instrument 300 also can be set to straight hole, and laser instrument 300 is articulated with in straight hole, regulates the emission angle of laser by swinging laser instrument 300.
Due to tunnel cross-section 400 install time, certain skew can be there is, also certain movement can be there is in the position of section survey point, therefore the installation site of laser instrument 300 also needs to move, produce with base plate 100 in laser 300 device moving process and collide, the through hole of base plate 100 is set to bar hole 101, when first expansion plate 210 and the second expansion plate 220 move, inclined hole 201 is positioned at immediately below bar hole 101 all the time, when first expansion plate 210 and the second expansion plate 220 move, laser instrument 300 stretches out bar hole 101 all the time.
Tunnel cross-section measurement laying out apparatus also comprises roller bearing 203, and roller bearing 203 is coupling in cavity 102 upper and lower surface and abuts against with the upper and lower surface of the first expansion plate 210 and the second expansion plate 220 respectively, roller bearing 203 axial line and cavity 102 axis perpendicular.Adjustable screw 202 promotes the first expansion plate 210 and the second expansion plate 220 when moving, first expansion plate 210 and the second expansion plate 220 are in the enterprising line slip of roller bearing 203, the moving direction of the first expansion plate 210 and the second expansion plate 220 can not only be ensured, more laborsaving when also making mobile, roller bearing 203 axial line and cavity 102 axis perpendicular, make when the collapsing length of adjustment first expansion plate 210 and the second expansion plate 220, more convenient.
Tunnel cross-section measurement laying out apparatus also comprises level meter 103, and base plate 100 upper surface is located at by level meter 103.In bottom 100, upper surface arranges level meter 103, ensure that base plate 100 is positioned at the surface level at section two 402a, 402b places crossing with rail level line, make tunnel cross-section measurement point laying out apparatus install more accurate, improve the precision of tunnel cross-section measurement point laying out apparatus further.
One end upper surface that first expansion plate 210 and the second expansion plate 220 stretch out described cavity 102 is provided with scale mark (accompanying drawing does not identify).By scale mark, determining the displacement of the first expansion plate 210 and the second expansion plate 220, making when adjusting the installation length of tunnel cross-section measurement point laying out apparatus, more convenient.
In the present embodiment, tunnel cross-section measurement point comprises lower-left section survey point 401a, left section survey point 401b, upper left section survey point 401c, Top section measurement point 401d, upper right section survey point 401e, right section survey point 401f, bottom right section survey point 401g, and the laser instrument 300 that wherein Top section measurement point 401d is corresponding to be set directly on base plate 100 and to be positioned at the center of section two 402a, 402b place straight lines crossing with rail level line; Tunnel cross-section measurement point also comprises section two 402a, 402bs crossing with rail level line, because section two 402a, 402bs crossing with rail level line are datum mark, therefore do not need to arrange laser instrument and carries out setting-out.Quantity and the position of tunnel cross-section measurement point can be arranged according to actual needs.
Before tunnel cross-section measurement point laying out apparatus is installed, according to the physical length of section two 402a, 402bs crossing with rail level line, the installation length of tunnel cross-section measurement point laying out apparatus is adjusted by adjustable screw 202, one end that first expansion plate 210 and the second expansion plate 220 stretch out base plate 100 cavity 102 is provided with scale mark, by scale mark, determine the displacement of the first expansion plate 210 and the second expansion plate 220; Tunnel cross-section measurement point laying out apparatus is arranged on the surface level at section two 402a, 402b places crossing with rail level line, carries out leveling by the level meter 103 on base plate 100; Open the laser instrument 300 pre-set after leveling, laser instrument 300 laser spots be incident upon on tunnel cross-section 400 is the setting-out position of section survey point.By tunnel cross-section measurement point laying out apparatus, can be marked disposable for section survey point, work efficiency is high, by the tunnel that one kilometer of specification is 6 meters, adopt traditional level setting out method to complete setting-out and need about 18-19 days, and complete setting-out by tunnel cross-section measurement point laying out apparatus and only need 2-3 days; The specification in general same tunnel is identical, the mutual alignment of theoretical profile measurement point is identical, a kind of tunnel of specification only need configure a tunnel cross-section measurement point laying out apparatus, tunnel cross-section measurement point laying out apparatus is adopted only to need 4 personnel can realize the setting-out of section survey point, and adopt traditional level setting out method need configure 2 spirit-leveling instruments, and need 8 survey crews to measure, therefore reduce manpower and materials widely and drop into, increase economic efficiency widely.
The above embodiment only have expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (7)
1. a tunnel cross-section measurement point laying out apparatus, it is characterized in that, comprise base plate, laser instrument, first expansion plate and the second expansion plate, described base plate is provided with cavity, described first expansion plate and described second expansion plate are oppositely arranged, and part is sheathed in described cavity, described first expansion plate, the side that described second expansion plate is relative is respectively equipped with intermeshing first tooth bar, second tooth bar, adjustable screw is provided with between described first tooth bar and described second tooth bar, described adjustable screw provides power to make described first expansion plate and described second expansion plate stretch out described cavity, described first expansion plate and described second expansion plate are equipped with multiple mounting hole, described base plate is provided with the through hole being communicated with described cavity, described laser instrument is located in described mounting hole, when described first expansion plate and described second expansion plate move, described laser instrument stretches out described through hole all the time.
2. tunnel cross-section measurement point laying out apparatus according to claim 1, is characterized in that, the line of centres of multiple described mounting hole and described cavity axis being parallel.
3. tunnel cross-section measurement point laying out apparatus according to claim 1 and 2, it is characterized in that, described mounting hole is inclined hole, and described through hole is bar hole, when described first expansion plate and described second expansion plate move, described inclined hole is positioned at immediately below described bar hole all the time.
4. tunnel cross-section measurement point laying out apparatus according to claim 1, is characterized in that, also comprise roller bearing, and described roller bearing is coupling in described cavity upper and lower surface and abuts against with the upper and lower surface of described first expansion plate and described second expansion plate respectively.
5. tunnel cross-section measurement point laying out apparatus according to claim 4, is characterized in that, described roller bearing axial line and described cavity axis perpendicular.
6. tunnel cross-section measurement point laying out apparatus according to claim 1, it is characterized in that, also comprise level meter, described plate upper surface is located at by described level meter.
7. tunnel cross-section measurement point laying out apparatus according to claim 1, is characterized in that, one end upper surface that described first expansion plate and described second expansion plate stretch out described cavity is provided with scale mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415733.7U CN204115719U (en) | 2014-07-25 | 2014-07-25 | Tunnel cross-section measurement point laying out apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415733.7U CN204115719U (en) | 2014-07-25 | 2014-07-25 | Tunnel cross-section measurement point laying out apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204115719U true CN204115719U (en) | 2015-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420415733.7U Withdrawn - After Issue CN204115719U (en) | 2014-07-25 | 2014-07-25 | Tunnel cross-section measurement point laying out apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204115719U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132644A (en) * | 2014-07-25 | 2014-11-05 | 广州市盾建地下工程有限公司 | Device for tunnel section measuring point lofting |
| CN106908047A (en) * | 2017-01-20 | 2017-06-30 | 中南大学 | To the accurate laying out apparatus of fan shape cloth hole and its application method in one kind |
-
2014
- 2014-07-25 CN CN201420415733.7U patent/CN204115719U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132644A (en) * | 2014-07-25 | 2014-11-05 | 广州市盾建地下工程有限公司 | Device for tunnel section measuring point lofting |
| CN104132644B (en) * | 2014-07-25 | 2016-08-24 | 广州市盾建地下工程有限公司 | Tunnel cross-section measurement point laying out apparatus and tunnel cross-section measurement point setting out method |
| CN106908047A (en) * | 2017-01-20 | 2017-06-30 | 中南大学 | To the accurate laying out apparatus of fan shape cloth hole and its application method in one kind |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150121 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |