Auxiliary device for tunnel wire measurement

Abstract

The utility model provides an auxiliary device for tunnel conductor measurement, which comprises a tripod, a measuring part is arranged above the tripod, the tripod comprises a mounting table, a bottom illuminating lamp is arranged at the bottom of the mounting table, a penetrating light hole is formed in the center of the mounting table, the measuring part comprises a transparent windshield, and a top cover is arranged above the transparent windshield. A plurality of LED lamps are distributed on the lower surface of the top cover, a prism is hung below the top cover, a digital display range finder is arranged below the prism, the auxiliary device has good economic benefits, measurement work efficiency is improved, meanwhile, measurement precision can be guaranteed, a rearview frame is simple and convenient to stand, and the problem that in the tunnel engineering construction process, a rearview mirror is prone to being damaged is solved. And in-hole control measurement time is long and shutdown cooperation is needed.

Description

Technical Field

[0001] The utility model relates to the field of construction measuring instruments, in particular to an auxiliary device for tunnel conductor measurement. Background Art

[0002] The construction process of tunnel engineering, from the start of the project to the end of the project, is inseparable from engineering surveying. Tunnel conductor control measurement is an important part of tunnel engineering, and its accuracy directly affects the tunnel penetration accuracy and construction quality.

[0003] At present, tunnel conductor control measurement mainly adopts traditional measurement methods, such as total station, theodolite, etc. With the continuous development of tunnel engineering and the increase in construction difficulty, higher requirements are put forward for the accuracy and efficiency of tunnel conductor measurement. In the process of re-surveying the conductor control network, the rear-view method is usually adopted: one measurement assistant sets up the prism base, and another measurement assistant uses a flashlight to illuminate it. In many cases, in order to create a good observation environment, it is necessary to stop work and ventilate, which affects the construction period and increases the construction cost. Utility Model Content

[0004] The main purpose of the utility model is to provide an auxiliary device for tunnel conductor measurement, which solves the problem that the control measurement time in the tunnel is long and needs to be stopped for cooperation during the tunnel construction process.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: an auxiliary device for tunnel conductor measurement, comprising a tripod, and a measuring part is arranged above the tripod;

[0006] The tripod comprises a mounting platform, a bottom lighting lamp is arranged at the bottom of the mounting platform, and a penetrating light-transmitting hole is arranged at the center of the mounting platform;

[0007] The measuring part comprises a transparent windshield, a top cover is arranged above the transparent windshield, a plurality of LED lights are arranged on the lower surface of the top cover, a prism is hung below the top cover, and a digital display rangefinder is arranged below the prism.

[0008] In the preferred embodiment, the bottom lighting lamp is circular, and its structure is as follows: the inner circle is provided with a bottom hole, and the outer circle is provided with a ring light.

[0009] In the preferred embodiment, a plurality of swingable telescopic support rods are provided below the mounting platform, a limit seat is provided at the bottom end of the telescopic support rod, a sharp portion is provided below the center of the limit seat, and the sharp portion and the limit seat are used for fixing on a soft ground.

[0010] In the preferred embodiment, a plurality of suspension columns are provided below the mounting platform, the bottom ends of the suspension columns are connected to suspension plates, and the bottom lighting lamps are arranged at the center of the suspension plates;

[0011] A plurality of bayonet holes are arranged on the edge of the suspension plate, and the positions of the bayonet holes correspond to the positions of the telescopic support rods, and the folded and retracted support rods are just put into the bayonet holes.

[0012] In the preferred embodiment, a fine-tuning knob and a fine-motion disk are provided between the mounting platform and the measuring part, the measuring part is arranged above the fine-motion disk, and a light-transmitting hole is provided in the center of the fine-motion disk;

[0013] The fine adjustment knob and fine dial are used to adjust the angle of the upper measuring part.

[0014] In the preferred embodiment, a plurality of vertical adjustment rods are provided above the top cover, and the vertical adjustment rods are rotatably connected to the top cover;

[0015] A connecting piece is arranged at the bottom end of the vertical adjustment rod, a horizontal rod is arranged below the connecting piece, a prism is arranged below the horizontal rod, and the prism is swingably connected to the horizontal rod.

[0016] In the preferred embodiment, the upper end of the connecting member is rotatably connected to the vertical adjustment rod, and the lower end of the connecting member is swingably connected to the horizontal rod;

[0017] The digital rangefinder is arranged below the prism.

[0018] In the preferred embodiment, the bottom lighting lamp, the light-transmitting hole and the digital display rangefinder are coaxially arranged.

[0019] The utility model provides an auxiliary device for tunnel conductor measurement, which has the following beneficial effects:

[0020] 1. During the tunnel wire measurement rear-view station setting process, the bottom lighting is used to illuminate the point to be measured, avoiding the need to align the point by lighting in a dark environment, which can reduce one measurement assistant;

[0021] 2. By hanging the prism, there is no need to adjust the circular level bubble and the tube level bubble, saving the time of rear-view station setting. During the station setting process, the vertical height between the rangefinder and the control point can be accurately measured through the distance measuring laser plummet under the prism. , there is an "additive constant" between the rangefinder and the center of the prism , that is, the prism height is (H = + );

[0022] 3. The use of this auxiliary device not only has good economic benefits and improves measurement efficiency, but also ensures measurement accuracy. The rear-view stand is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0024] Figure 1 It is an axonometric view of the auxiliary device of the utility model;

[0025] Figure 2 It is a top view of the tripod of the utility model;

[0026] Figure 3 It is a cross-sectional view of the auxiliary device of the utility model;

[0027] Figure 4 It is a top view of the bottom lighting lamp of the utility model;

[0028] Figure 5 It is a cross-sectional view of the measuring part of the utility model;

[0029] Figure 6 It is an internal top view of the top cover of the utility model.

[0030] In the figure: tripod 1; mounting platform 101; telescopic support rod 102; limit seat 104; sharp part 105; suspension column 106; suspension plate 107; bayonet 108; bottom lighting lamp 109; light transmission hole 110; ring light 111; bottom hole 112; measuring part 2; fine adjustment knob 201; micro-disc 202; transparent wind shield 203; top cover 204; vertical adjustment rod 205; LED lamp 206; connecting piece 207; horizontal rod 208; prism 209; digital rangefinder 210; observation port 211; level bubble 212; level bubble 213. DETAILED DESCRIPTION

[0031] Example 1

[0032] like Figure 1-6 As shown, an auxiliary device for tunnel conductor measurement is characterized by comprising a tripod 1, with a measuring part 2 disposed above the tripod 1;

[0033] The tripod 1 comprises a mounting platform 101, a bottom lighting lamp 109 is provided at the bottom of the mounting platform 101, and a penetrating light hole 110 is provided at the center of the mounting platform 101;

[0034] The measuring part 2 includes a transparent windshield 203 , a top cover 204 is provided above the transparent windshield 203 , a plurality of LED lights 206 are arranged on the lower surface of the top cover 204 , a prism 209 is suspended below the top cover 204 , and a digital rangefinder 210 is provided below the prism 209 .

[0035] There are three LED lights 206 distributed on the lower surface of the top cover 204 and above the prism 209 .

[0036] In a preferred embodiment, the bottom lighting lamp 109 is circular, and has the following structure: a bottom hole 112 is provided in the inner circle, and a ring light 111 is provided in the outer circle.

[0037] In the preferred embodiment, a plurality of swingable telescopic support rods 102 are provided below the mounting platform 101, a limit seat 104 is provided at the bottom end of the telescopic support rod 102, a sharp portion 105 is also provided below the center of the limit seat 104, and the sharp portion 105 and the limit seat 104 are used for fixing on a soft ground.

[0038] There are three telescopic support rods 102, and the limit seat 104 can be disassembled and replaced with a horseshoe with threads on the upper side and a non-slip pad on the lower side for placement on a concrete floor.

[0039] In the preferred embodiment, a plurality of suspension columns 106 are further provided below the mounting platform 101, the bottom ends of the suspension columns 106 are connected to a suspension plate 107, and a bottom lighting lamp 109 is arranged at the center of the suspension plate 107;

[0040] A plurality of bayonet holes 108 are provided on the edge of the suspension plate 107 . The positions of the bayonet holes 108 correspond to the positions of the telescopic support rods 102 . The folded and retracted support rods 102 fit into the bayonet holes 108 .

[0041] In the preferred embodiment, a fine-tuning knob 201 and a fine-motion disk 302 are further provided between the mounting platform 101 and the measuring part 2, the measuring part 2 is arranged above the fine-motion disk 302, and a light-transmitting hole 302 is further provided at the center of the fine-motion disk 302;

[0042] The fine adjustment knob 201 and the fine adjustment disk 302 are used to adjust the angle of the upper measuring part 2 .

[0043] In the preferred embodiment, a plurality of vertical adjustment rods 205 are provided above the top cover 204, and the vertical adjustment rods 205 are rotatably connected to the top cover 204;

[0044] A connecting piece 207 is provided at the bottom end of the vertical adjustment rod 205 , a horizontal rod 208 is provided below the connecting piece 207 , a prism 209 is arranged below the horizontal rod 208 , and the prism 209 is swingably connected to the horizontal rod 208 .

[0045] The optimal number of vertical adjustment rods 205 is two, and the two vertical adjustment rods 205 are used to adjust the horizontal state of the horizontal rod 208 .

[0046] In the preferred embodiment, the upper end of the connecting member 207 is rotatably connected to the vertical adjustment rod 205, and the lower end of the connecting member 207 is swingably connected to the horizontal rod 208;

[0047] The digital rangefinder 210 is disposed below the prism 209 .

[0048] The digital rangefinder 210 is a digital laser rangefinder.

[0049] In a preferred embodiment, the bottom lighting lamp 109 , the light-transmitting hole 110 and the digital rangefinder 210 are coaxially arranged.

[0050] The working process of an auxiliary device for tunnel wire measurement is as follows: when the tunnel wire auxiliary device is rear-view mounted, the tripod 1, the fine adjustment knob 201 and the fine adjustment disk 202, and the measuring part 2 are sequentially installed, the top measuring part 2 is first leveled, the position of the bubble in the level bubble 212 is observed through the observation port 211, and then the vertical adjustment rod is adjusted to observe the horizontal bubble 213, so that the bubble is located in the middle, the prism 209 is completely aligned, and the reading of the digital display rangefinder 210 is read. , enter the rearview prism height in the instrument , the device can be observed;

[0051] The transparent wind shield 203 has a built-in LED that can illuminate the prism 209. The prism 209 is suspended on a horizontal rod 208, which is connected to a vertical adjustment rod 205. A digital rangefinder 210 is provided at the lower end of the prism 209. The laser passes through the center of the micro-disc 202 and the bottom hole 112 at the center of the bottom lighting lamp 109 in turn, and is projected on the point to be measured to measure the height difference.

[0052] During the station setting process, the vertical height between the rangefinder and the control point can be accurately measured by the digital rangefinder 210 below the prism 209. , there is a constant between the rangefinder and the center of prism 209 , that is, the prism height is H= + .

[0053] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. An auxiliary device for tunnel conductor measurement, characterized in that: It comprises a tripod (1), and a measuring part (2) is provided above the tripod (1); The tripod (1) comprises a mounting platform (101), a bottom lighting lamp (109) is provided at the bottom of the mounting platform (101), and a penetrating light-transmitting hole (110) is provided at the center of the mounting platform (101); The measuring part (2) comprises a transparent windshield (203), a top cover (204) is arranged above the transparent windshield (203), a plurality of LED lights (206) are arranged on the lower surface of the top cover (204), a prism (209) is suspended below the top cover (204), and a digital display rangefinder (210) is arranged below the prism (209).

2. The auxiliary device for tunnel conductor measurement according to claim 1, characterized in that: The bottom lighting lamp (109) is circular and has the following structure: a bottom hole (112) is provided in the inner circle and a ring lamp (111) is provided in the outer circle.

3. The auxiliary device for tunnel conductor measurement according to claim 1, characterized in that: A plurality of swingable telescopic support rods (102) are provided below the mounting platform (101); a limit seat (104) is provided at the bottom end of the telescopic support rod (102); a sharp portion (105) is further provided below the center of the limit seat (104); the sharp portion (105) and the limit seat (104) are used for fixing on a soft ground.

4. The auxiliary device for tunnel conductor measurement according to claim 1, characterized in that: A plurality of suspension columns (106) are also provided below the mounting platform (101), the bottom ends of the suspension columns (106) are connected to suspension plates (107), and a bottom lighting lamp (109) is arranged at the center of the suspension plate (107); A plurality of bayonet holes (108) are provided on the edge of the suspension plate (107); the positions of the bayonet holes (108) correspond to the positions of the telescopic support rods (102); the retracted support rods (102) fit neatly into the bayonet holes (108).

5. The auxiliary device for tunnel conductor measurement according to claim 1, characterized in that: A fine-tuning knob (201) and a fine-motion disk (302) are also provided between the mounting platform (101) and the measuring portion (2); the measuring portion (2) is arranged above the fine-motion disk (302); and a light-transmitting hole (110) is also provided at the center of the fine-motion disk (302); The fine-tuning knob (201) and the fine-motion disk (302) are used to adjust the angle of the upper measuring part (2).

6. The auxiliary device for tunnel conductor measurement according to claim 1, characterized in that: A plurality of vertical adjustment rods (205) are disposed above the top cover (204), and the vertical adjustment rods (205) are rotatably connected to the top cover (204); A connecting piece (207) is provided at the bottom end of the vertical adjustment rod (205), a horizontal rod (208) is provided below the connecting piece (207), a prism (209) is arranged below the horizontal rod (208), and the prism (209) is swingably connected to the horizontal rod (208).

7. The auxiliary device for tunnel conductor measurement according to claim 6, characterized in that: The upper end of the connecting member (207) is rotatably connected to the vertical adjustment rod (205), and the lower end of the connecting member (207) is swingably connected to the horizontal rod (208); The digital display rangefinder (210) is arranged below the prism (209).

8. The auxiliary device for tunnel conductor measurement according to claim 1, characterized in that: The bottom lighting lamp (109), the light transmission hole (110) and the digital display rangefinder (210) are coaxially arranged.

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