CN114754751A - Curve tunnel linearization measuring method - Google Patents
Curve tunnel linearization measuring method Download PDFInfo
- Publication number
- CN114754751A CN114754751A CN202210492252.5A CN202210492252A CN114754751A CN 114754751 A CN114754751 A CN 114754751A CN 202210492252 A CN202210492252 A CN 202210492252A CN 114754751 A CN114754751 A CN 114754751A
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- China
- Prior art keywords
- tunnel
- feeding hopper
- marker post
- arc
- measurement method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title abstract description 11
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 18
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 18
- 239000004571 lime Substances 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 15
- 239000003550 marker Substances 0.000 claims abstract description 12
- 238000000691 measurement method Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C7/00—Tracing profiles
- G01C7/06—Tracing profiles of cavities, e.g. tunnels
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Multimedia (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a curve tunnel linearization measuring method, which is characterized in that a marker post is used for lofting, one side of the marker post is fixedly connected with a first inserted link, the other end of the marker post is connected with a sliding sleeve in a sliding manner, the bottom of the sliding sleeve is fixedly connected with a second inserted link, the first inserted link and the second inserted link are respectively in threaded connection with a conical cover, the large end of the conical cover faces, the marker post is connected with a sliding seat in a sliding manner, the sliding seat is provided with a feeding hopper, and lime powder is filled in the feeding hopper. According to the method, the arc-shaped segments are formed into a plurality of straight line segments and are sequentially lofted, so that lofting of the contour line of the arc-shaped tunnel is simplified; at the feeding hopper along the gliding in-process of sighting rod, the feeding hopper spills lime powder gradually, and lime powder can even laying-out for the simple operation is quick in the laying-out, for the arc laying-out, has improved efficiency.
Description
Technical Field
The invention relates to the technical field of engineering construction, in particular to a curve tunnel linearization measurement method.
Background
In engineering construction, tunnel curve section lofting is a key difficulty of measurement work and an important link influencing tunnel penetration precision and ensuring engineering quality. The contents of tunnel curve lofting and off-site curve lofting are basically the same, except that the obvious characteristic points of the curve, such as straight dots, curved middle points, round straight points, etc., are measured, the auxiliary points on the round curve are measured at certain intervals (2m, 3m or any meter) on the curve, and then the auxiliary points are connected by a smooth curve, so that the shape and the position of the curve can be accurately lofted on the spot, and the mark of the curve has the defects of low efficiency and easy misalignment.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a curve tunnel linearization measurement method, so that the problems in the prior art are solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the curve tunnel linearization measuring method comprises the following steps:
step 1: dividing the arc length of the curve tunnel into n short arcs according to n sections, obtaining a main control point a and a main control point b at two ends of the arc of the curve tunnel through lofting, and sequentially marking secondary control points C of C1, C2, C.
And 2, step: calculating the chord length of a single short arc, and using a marker post to spread lime between two adjacent secondary control points for lofting.
The first inserted bar is fixedly connected to one side of the marker post, the other end of the marker post is slidably connected with the sliding sleeve, and the bottom of the sliding sleeve is fixedly connected with the second inserted bar.
In a preferred aspect of the present invention, the first and second insert rods are respectively screwed with a tapered cap, and the large end of the tapered cap faces.
As a preferable mode of the invention, the marker post is connected with a sliding seat in a sliding way, the sliding seat is provided with a feeding hopper, and lime powder is filled in the feeding hopper.
As a preferable mode of the invention, the feeding hopper is rotatably connected with the material conveying shaft, the upper end of the feeding hopper is rotatably connected with the ratchet wheel, the ratchet wheel is coaxially and fixedly connected with the material conveying shaft, the upper side of the feeding hopper is fixedly connected with the vertical plate, the vertical plate is slidably connected with the step rod, a supporting spring is arranged between the step rod and the vertical plate, one side of the step rod is connected with the pawl in a one-way rotating manner, and the pawl is matched with the ratchet wheel.
As a preferable mode of the present invention, the lower end of the step bar is fixedly connected to the suspension rod, the lower end of the suspension rod is rotatably connected to the roller, one side of the mark bar is fixedly connected to the wave-shaped plate, and the roller contacts with the wave-shaped surface of the wave-shaped plate.
The invention has the advantages that: according to the curve tunnel linear measurement method provided by the invention, the arc-shaped segments are formed into a plurality of straight line segments and are sequentially lofted, so that lofting of the arc-shaped tunnel contour line is simplified; at the feeding hopper along the gliding in-process of sighting rod, the feeding hopper spills lime powder gradually, and the lofting that lime powder can be even for the lofting simple operation is quick, for the arc lofting, has improved efficiency.
Drawings
FIG. 1 is a schematic diagram of the basic principle of the present invention;
FIG. 2 is a schematic view of the construction of the post of the present invention;
FIG. 3 is a sectional view A-A of FIG. 2;
fig. 4 is a top view of the hopper of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1 to 4, the method for measuring the linearity of the curved tunnel provided by the present invention comprises the following steps:
step 1: dividing the arc length of the curve tunnel into n short arcs according to n sections, obtaining a main control point a and a main control point b at two ends of the arc of the curve tunnel through lofting, and sequentially marking secondary control points C of C1, C2, C.
Step 2: the single short arc chord length is calculated and the benches 1 are used to spread lime between two adjacent secondary control points for lofting.
The first inserted bar 11 of 1 one side fixed connection of above-mentioned sighting rod, the 1 other end sliding connection sliding sleeve 12 of sighting rod, sliding sleeve 12 bottom fixed connection second inserted bar 13, first inserted bar 11, second inserted bar 13 threaded connection has toper cover 14 respectively, the main aspects orientation of toper cover 14, first inserted bar 11, second inserted bar 13 is inserted on two adjacent secondary control points c, toper cover 14 contacts ground makes first inserted bar 11, second inserted bar 13 keeps vertical, be convenient for put in lime powder with sighting rod 1 as the benchmark, through being a plurality of straightways with the arc segmentation and lofting in proper order, simplify the lofting of arc tunnel contour line.
The marking post 1 is connected with a sliding seat 2 in a sliding mode, the sliding seat 2 is provided with a feeding hopper 3, lime powder is filled in the feeding hopper 3, the feeding hopper 3 is connected with a feeding shaft 31 in a rotating mode, the upper end of the feeding hopper 3 is connected with a ratchet 32 in a rotating mode, the ratchet 32 is fixedly connected with the feeding shaft 31 in a coaxial mode, the upper side of the feeding hopper 3 is fixedly connected with a vertical plate 33, the vertical plate 33 is connected with a step rod 34 in a sliding mode, a supporting spring 35 is arranged between the step rod 34 and the vertical plate 33, one side of the step rod 34 is connected with a pawl 36 in a one-way rotating mode, the pawl 36 is matched with the ratchet 32, the lower end of the step rod 34 is fixedly connected with a hanging rod 37, the lower end of the hanging rod 37 is connected with a roller 38 in a rotating mode, one side of the marking post 1 is fixedly connected with a wave-shaped plate 39, and the roller 38 is in contact with the wave-shaped surface of the wave-shaped plate 39; the principle that ratchet 32 unidirectional rotation is stirred to pawl 36 belongs to prior art, and the description is not repeated here, and at feeding hopper 3 along the gliding in-process of sighting rod 1, wave-shaped plate 39 cooperation supporting spring 35 for jib 37 reciprocating motion stirs ratchet 32 through the interval, and defeated material axle 31 unidirectional rotation outputs lime powder, and lime powder can even laying-out, and can not leak new lime powder when feeding hopper 3 does not move, thereby makes lime powder obtain effective utilization, convenient operation.
According to the method, the arc-shaped segments are formed into a plurality of straight line segments and are sequentially lofted, so that lofting of the contour line of the arc-shaped tunnel is simplified; at feeding hopper 3 along the gliding in-process of sighting rod 1, feeding hopper 3 spills lime powder gradually, and lime powder can even laying-out for the simple operation is quick in the laying-out, for the arc laying-out, has improved efficiency.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The curve tunnel linearization measurement method is characterized by comprising the following steps:
step 1: dividing the arc length of the curve tunnel into n short arcs according to n sections, obtaining a main control point a and a main control point b at two ends of the arc of the curve tunnel through lofting, and sequentially marking secondary control points C of C1, C2, C.
Step 2: calculating the chord length of a single short arc, and using a marker post (1) to spread lime between two adjacent secondary control points for lofting.
2. The curvilinear tunnel linearization measurement method of claim 1, wherein: one side of the marker post (1) is fixedly connected with a first inserted bar (11), the other end of the marker post (1) is connected with a sliding sleeve (12) in a sliding manner, and the bottom of the sliding sleeve (12) is fixedly connected with a second inserted bar (13).
3. The curvilinear tunnel linearization measurement method of claim 2, wherein: the first inserted bar (11) and the second inserted bar (13) are respectively in threaded connection with a conical cover (14), and the large end of the conical cover (14) faces towards the large end.
4. The curvilinear tunnel linearization measurement method of claim 2, wherein: the marker post (1) is connected with a sliding seat (2) in a sliding mode, the sliding seat (2) is provided with a feeding hopper (3), and lime powder is filled in the feeding hopper (3).
5. The curvilinear tunnel linearization measurement method of claim 4, wherein: the feeding device is characterized in that a feeding shaft (31) is rotatably connected in the feeding hopper (3), the upper end of the feeding hopper (3) is rotatably connected with a ratchet wheel (32), the ratchet wheel (32) is coaxially and fixedly connected with the feeding shaft (31), a vertical plate (33) is fixedly connected to the upper side of the feeding hopper (3), the vertical plate (33) is slidably connected with a step rod (34), a supporting spring (35) is arranged between the step rod (34) and the vertical plate (33), a pawl (36) is connected to one side of the step rod (34) in a one-way rotating mode, and the pawl (36) is matched with the ratchet wheel (32).
6. The curvilinear tunnel linearization measurement method of claim 5, wherein: step pole (34) lower extreme fixed connection jib (37), jib (37) lower extreme rotates and connects gyro wheel (38), sighting rod (1) one side fixed connection wave shaped plate (39), and gyro wheel (38) contact is in the wave-shaped face of wave shaped plate (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210492252.5A CN114754751A (en) | 2022-05-07 | 2022-05-07 | Curve tunnel linearization measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210492252.5A CN114754751A (en) | 2022-05-07 | 2022-05-07 | Curve tunnel linearization measuring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114754751A true CN114754751A (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210492252.5A Pending CN114754751A (en) | 2022-05-07 | 2022-05-07 | Curve tunnel linearization measuring method |
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| Country | Link |
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| CN (1) | CN114754751A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0510758A (en) * | 1991-06-29 | 1993-01-19 | Showa Doboku Kk | Method and device for surveying curve |
| TW560249U (en) * | 2001-10-23 | 2003-11-01 | Formosa High Tech Aquaculture | Automatic bait dispenser |
| CN112273253A (en) * | 2020-11-13 | 2021-01-29 | 余姚升朴生物技术有限公司 | Automatic adjustment fodder is put in and belt cleaning device |
| CN214737222U (en) * | 2021-04-26 | 2021-11-16 | 中国十七冶集团有限公司 | Construction laying-out spreading marking tool |
| CN215252882U (en) * | 2021-06-15 | 2021-12-21 | 湖北波森特岩土工程有限公司 | Packing mechanism of automatic packing ramming equipment for construction of compression-resistant piles |
| CN215668937U (en) * | 2021-06-01 | 2022-01-28 | 兖矿东华建设有限公司三十七处 | Lime powder single-wheel line spreading device |
-
2022
- 2022-05-07 CN CN202210492252.5A patent/CN114754751A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0510758A (en) * | 1991-06-29 | 1993-01-19 | Showa Doboku Kk | Method and device for surveying curve |
| TW560249U (en) * | 2001-10-23 | 2003-11-01 | Formosa High Tech Aquaculture | Automatic bait dispenser |
| CN112273253A (en) * | 2020-11-13 | 2021-01-29 | 余姚升朴生物技术有限公司 | Automatic adjustment fodder is put in and belt cleaning device |
| CN214737222U (en) * | 2021-04-26 | 2021-11-16 | 中国十七冶集团有限公司 | Construction laying-out spreading marking tool |
| CN215668937U (en) * | 2021-06-01 | 2022-01-28 | 兖矿东华建设有限公司三十七处 | Lime powder single-wheel line spreading device |
| CN215252882U (en) * | 2021-06-15 | 2021-12-21 | 湖北波森特岩土工程有限公司 | Packing mechanism of automatic packing ramming equipment for construction of compression-resistant piles |
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Application publication date: 20220715 |