CN215053312U

CN215053312U - Be used for tunnel foundation settlement to measure foundation coefficient apparatus

Info

Publication number: CN215053312U
Application number: CN202120474279.2U
Authority: CN
Inventors: 赵华; 史豪杰; 周志强; 姜飞; 平凡; 霍翔宇; 张存巍; 武艳军; 杨永振; 潘卫东; 耿双杰; 薛栋; 程艳林; 马建新; 魏凯凯
Original assignee: China Railway Liuyuan Group Co Ltd
Current assignee: China Railway Liuyuan Group Co Ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-12-07
Anticipated expiration: 2031-03-05

Abstract

The utility model discloses a foundation coefficient measuring instrument for measuring the settlement of a tunnel foundation, wherein two mounting holes are arranged on a fixing plate of the measuring instrument, and U-shaped pipes are arranged in the two mounting holes; the U-shaped pipe comprises a display pipe and a test pipe, and the outer wall of the display pipe is provided with a graduated pipe; the upper sides of the display tube and the test tube are jointly fixed with a rotating box; the two sides of the inner wall of the rotating box are fixedly connected with a rotating shaft together, and the outer wall of the rotating shaft is rotatably connected with a rotating wheel; a display block is connected in the display tube in a sliding manner, a sliding block is connected in the testing tube in a sliding manner, the lower side of the sliding block is fixedly connected with a sliding rod, and the lower side of the sliding rod penetrates through the testing tube and is fixedly connected with a balancing weight; the rotating wheel is provided with a rope, and the display block is connected with the sliding block through the rope. The utility model discloses not only can measure tunnel ground settlement measurement ground coefficient conveniently high-efficiently, can reduce the influence that external factor brought simultaneously for the test result is more accurate.

Description

Be used for tunnel foundation settlement to measure foundation coefficient apparatus

Technical Field

The utility model relates to a tunnel foundation settlement measurement technical field especially relates to a be used for tunnel foundation settlement measurement ground coefficient apparatus.

Background

Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel and a mine tunnel, and the structure of the tunnel comprises a main building and an accessory device. The main building is composed of a tunnel body and a tunnel door, the auxiliary equipment comprises a car-avoiding tunnel, fire-fighting equipment, emergency communication and water-proof and drainage equipment, and the long and large tunnel is also provided with special ventilation and lighting equipment.

Among the prior art, be used for tunnel foundation settlement measurement foundation coefficient apparatus as that chinese patent application number CN209468794U announced, including survey case, base station, carousel and scale mark, the upper end of base station is fixed with the support frame, the upper end of support frame is fixed with the survey case, be fixed with the carousel in the pivot of survey case, one side lower extreme of base station is provided with the exploration hole, the bottom in exploration hole is provided with the measurement fixed point, the both sides of carousel are provided with the rope. This technique subsides through the ground and drives and measure the fixed point and descend, measure fixed point pulling rope, rope pulling carousel is rotatory, at this moment, survey the laser generator of incasement and observe the scale mark of carousel and change, and then it subsides to take place to obtain the tunnel ground, deflection angle through survey carousel, further calculate the settlement volume, obtain tunnel ground settlement measurement ground coefficient, however, the problem that this technique exists is, the rope is in external environment, for example, under the influence of wind, it is rotatory to drive the carousel easily, make measuring result take place the error, simultaneously because the device directly sets up on the ground, ground subsides equally can lead to the fact the influence to the device, thereby make measuring result accurate inadequately.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a be used for tunnel ground settlement measurement ground coefficient apparatus not only can conveniently measure tunnel ground settlement measurement ground coefficient high-efficiently, can reduce the influence that external factor brought simultaneously for the test result is more accurate.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a foundation coefficient measuring instrument for measuring settlement of tunnel foundation, which comprises a fixed plate and a U-shaped pipe, wherein the fixed plate is provided with two mounting holes, and the U-shaped pipe is arranged in the two mounting holes; the U-shaped pipe comprises a display pipe and a test pipe, and the outer wall of the display pipe is provided with a graduated pipe; the upper sides of the display tube and the test tube are jointly fixed with a rotating box; two sides of the inner wall of the rotating box are fixedly connected with a rotating shaft together, and the outer wall of the rotating shaft is rotatably connected with a rotating wheel; a display block is connected in the display tube in a sliding manner, a sliding block is connected in the testing tube in a sliding manner, the lower side of the sliding block is fixedly connected with a sliding rod, and the lower side of the sliding rod penetrates through the testing tube and is fixedly connected with a balancing weight; the rotating wheel is provided with a rope, and the display block is connected with the sliding block through the rope.

Preferably, a cavity is arranged in the display block, a circuit board is fixedly connected to the bottom surface of the cavity, and a laser generator is fixedly connected to the upper side of the circuit board.

Preferably, the outer wall of the display tube is in sliding connection with the graduated tube, the outer wall of the upper end of the graduated tube is provided with an external thread, an internal thread is arranged in one of the mounting holes, the internal thread is matched with the external thread, and the graduated tube is in threaded connection with the mounting holes; the graduated tube is provided with a plurality of hollows representing graduated lines.

Preferably, a limiting plate is fixedly connected to the outer wall of one end, close to the rotating box, of the graduated tube, and the limiting plate is arranged between the fixed plate and the rotating box.

Preferably, the test tube is longer than the display tube, and the length of the test tube is enough to enable the test tube to be inserted into the embedded hole of the tunnel ground.

Preferably, the lower side of the fixing plate is fixedly connected with the top end of the fixing rod, the other end of the fixing rod is fixedly connected with the mounting plate, and the mounting plate is fixedly connected with the inner wall of the tunnel.

Preferably, the lower side of the fixing plate is fixedly connected with the top ends of the two fixing rods, and the other ends of the two fixing rods are fixedly connected with the mounting plate.

Preferably, one side of the mounting plate is provided with two threaded holes, two bolts are respectively matched with the threaded holes, and the mounting plate is fixedly connected with the inner wall of the tunnel through the bolts.

The utility model discloses following beneficial effect has:

the utility model provides a be used for tunnel ground settlement measurement ground coefficient apparatus not only can conveniently measure tunnel ground settlement measurement ground coefficient high-efficiently, can reduce the influence that external factor brought simultaneously for the test result is more accurate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a foundation coefficient measuring instrument for measuring settlement of a tunnel foundation according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a schematic structural diagram of the graduated tube in the embodiment of the present invention.

Description of reference numerals:

1. mounting a plate; 11. fixing the rod; 12. a fixing plate; 13. a threaded hole; 14. a bolt; a U-shaped tube; 211. a display tube; 212. a test tube; 213. a rotating box; 22. a rotating wheel; 221. a rope; 23. a display block; 231. a circuit board; 232. a laser generator; 24. a slider; 241. a slide rod; 25. a balancing weight; 26. a graduated tube; 261. represents the hollow of the scale mark.

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 merely illustrative of the invention and are not intended to limit the invention.

The utility model provides a foundation coefficient measuring instrument for tunnel foundation settlement measurement, as shown in fig. 1 to fig. 3, comprises a fixed plate 12 and a U-shaped pipe 21, wherein, two mounting holes are arranged on the fixed plate 12, and the U-shaped pipe 21 is arranged in the two mounting holes; the U-shaped pipe 21 comprises a shorter display pipe 211 and a longer test pipe 212, and the outer wall of the display pipe 211 is provided with a graduated tube 26; the length of the test tube 212 is enough to enable the test tube 212 to be inserted into a pre-buried hole in the ground of the tunnel, the display tube 211 and the test tube 212 are arranged, the influence of the external environment on the test result can be avoided, meanwhile, the display tube 211 is made of transparent hardened glass, and the effect of facilitating the degree of a measurer can be achieved; the upper sides of the display tube 211 and the test tube 212 are jointly fixed with a rotating box 213; two sides of the inner wall of the rotating box 213 are fixedly connected with a rotating shaft together, and the outer wall of the rotating shaft is rotatably connected with a rotating wheel 22; the display tube 211 is internally and slidably connected with a display block 23, the test tube 212 is internally and slidably connected with a slide block 24, the lower side of the slide block 24 is fixedly connected with a slide rod 241, and the lower side of the slide rod 241 penetrates through the test tube 212 and is fixedly connected with a balancing weight 25; a rope 221 is arranged on the rotating wheel 22, the friction between the rotating wheel 22 and the rope 221 can be ignored, and the display block 23 and the sliding block 24 are connected through the rope 221.

A cavity is arranged in the display block 23, a circuit board 231 is fixedly connected to the bottom surface of the cavity, and a laser generator 232 is fixedly connected to the upper side of the circuit board 231. Display block 23 also adopts the material that can be non-light tight to make, and the light that laser generator 232 sent is brilliant can pass display block 23 and display tube 211, and it is downthehole to insert the pre-buried of tunnel ground with test tube 212, balancing weight 25 contacts with the hole bottom in pre-buried hole under the effect of self gravity, and balancing weight 25's weight is greater than display block 23's weight far away.

The outer wall of the display tube 211 is connected with the graduated tube 26 in a sliding mode, an external thread is arranged on the outer wall of the upper end of the graduated tube 26, an internal thread is arranged in one mounting hole, the internal thread is matched with the external thread, the graduated tube 26 is connected with the mounting hole in a threaded mode, and the graduated tube 26 is provided with a plurality of hollow-out parts 261 representing graduated lines. The graduated tube 26 is close to fixedly connected with limiting plate on the outer wall of the one end of rotation case 213, the limiting plate sets up between fixed plate 12 and the rotation case 213, and the limiting plate can avoid graduated tube 26 to screw out from the mounting hole, and when balancing weight 25 contacted with the hole bottom in pre-buried hole, rotatory graduated tube 26 zeroes the scale to make the result of measuring more accurate.

The lower side of the fixed plate 12 is fixedly connected with the top ends of the two fixed rods 11, and the other ends of the two fixed rods 11 are fixedly connected with the mounting plate 1; one side of mounting panel 1 is equipped with two screw holes 13, two bolts 14 respectively with screw hole 13 cooperation, mounting panel 1 passes through bolt 14 and the inner wall fixed connection in tunnel. Through fixing the apparatus on the inner wall in tunnel through mounting panel 1, can avoid causing the influence to the apparatus body when the ground subsides to make measuring result more accurate.

During the use, set up a pre-buried hole on the tunnel is subaerial, pass through mounting panel 1 with the apparatus and fix on the inner wall in tunnel, cause the influence to the apparatus body when can avoiding the ground to subside, again in the pre-buried hole that test tube 212 inserted tunnel ground, balancing weight 25 contacts with the hole bottom in pre-buried hole under the effect of self gravity to rotatory graduated tube 26 is zero set the scale, makes the result of measuring more accurate, and the brilliant rays that laser generator 232 sent pass display block 23, display tube 211 and the fretwork 261 that corresponds, thereby makes the measurer can carry out the reading.

According to the technical scheme provided by the utility model, the embodiment of a be used for tunnel ground settlement measurement ground coefficient apparatus that provides not only can conveniently measure tunnel ground settlement measurement ground coefficient high-efficiently, can reduce the influence that external factor brought simultaneously for the test result is more accurate.

The embodiments of the present invention have been described in detail through the embodiments, but the description is only exemplary of the embodiments of the present invention and should not be considered as limiting the scope of the embodiments of the present invention. The scope of protection of the embodiments of the present invention is defined by the claims. All utilize technical scheme of the embodiment of the utility model, or technical staff in the field is in the utility model discloses under embodiment technical scheme's the inspiration the utility model discloses in the essence and the protection scope of the embodiment, design similar technical scheme and reach above-mentioned technological effect, perhaps to the impartial change and improvement etc. that the application scope was made, all should still belong to within the protection scope is covered to the patent of the embodiment of the utility model.

Claims

1. The foundation coefficient measuring instrument for measuring the tunnel foundation settlement is characterized by comprising a fixing plate (12) and a U-shaped pipe (21), wherein two mounting holes are formed in the fixing plate (12), and the U-shaped pipe (21) is arranged in the two mounting holes; the U-shaped pipe (21) comprises a display pipe (211) and a test pipe (212), and the outer wall of the display pipe (211) is provided with a graduated tube (26); the upper sides of the display tube (211) and the test tube (212) are jointly fixed with a rotating box (213); two sides of the inner wall of the rotating box (213) are fixedly connected with a rotating shaft together, and the outer wall of the rotating shaft is rotatably connected with a rotating wheel (22); the display tube (211) is connected with a display block (23) in a sliding manner, the testing tube (212) is connected with a sliding block (24) in a sliding manner, the lower side of the sliding block (24) is fixedly connected with a sliding rod (241), and the lower side of the sliding rod (241) penetrates through the testing tube (212) and is fixedly connected with a balancing weight (25); a rope (221) is arranged on the rotating wheel (22), and the display block (23) is connected with the sliding block (24) through the rope (221).

2. The foundation coefficient measuring instrument for measuring settlement of tunnel foundation as claimed in claim 1, wherein a cavity is provided in the display block (23), a circuit board (231) is fixedly connected to a bottom surface of the cavity, and a laser generator (232) is fixedly connected to an upper side of the circuit board (231).

3. The foundation coefficient measuring instrument for measuring settlement of tunnel foundations as claimed in claim 1, wherein the outer wall of the display tube (211) is slidably connected with the graduated tube (26), the outer wall of the upper end of the graduated tube (26) is provided with an external thread, one of the mounting holes is internally provided with an internal thread, the internal thread is matched with the external thread, and the graduated tube (26) is in threaded connection with the mounting hole; the graduated tube (26) is provided with a plurality of hollows (261) representing graduated lines.

4. The foundation coefficient measuring instrument for tunnel foundation settlement measurement according to claim 1, wherein a limiting plate is fixedly connected to an outer wall of one end of the graduated tube (26) close to the rotating box (213), and the limiting plate is arranged between the fixed plate (12) and the rotating box (213).

5. The foundation coefficient measuring instrument for tunnel foundation settlement measurement according to claim 1, wherein the test tube (212) is longer than the display tube (211), and the length of the test tube (212) is sufficient to insert the test tube (212) into a pre-buried hole of a tunnel ground.

6. The apparatus for measuring foundation coefficient for settlement of tunnel foundation as claimed in claim 1, wherein the lower side of the fixing plate (12) is fixedly connected with the top end of the fixing rod (11), the other end of the fixing rod (11) is fixedly connected with the mounting plate (1), and the mounting plate (1) is fixedly connected with the inner wall of the tunnel.

7. The apparatus for measuring foundation coefficient for settlement of tunnel foundation as claimed in claim 6, wherein the fixing plate (12) is fixedly connected at its lower side to the top ends of two fixing rods (11), and the other ends of the two fixing rods (11) are fixedly connected to the mounting plate (1).

8. The foundation coefficient measuring instrument for measuring settlement of tunnel foundation as claimed in claim 6, wherein one side of the mounting plate (1) is provided with two threaded holes (13), two bolts (14) are respectively matched with the threaded holes (13), and the mounting plate (1) is fixedly connected with the inner wall of the tunnel through the bolts (14).