Tunnel shaft deformation measuring device

Abstract

The utility model relates to a tunnel shaft deformation measuring device, which belongs to the technical field of deformation measuring devices and comprises a rectangular fixing cylinder, and rectangular rods are fixed inside the left and right sides of the rectangular fixing cylinder through bolts. According to the tunnel shaft deformation measuring device, when a tunnel shaft is measured, a rectangular fixing cylinder is horizontally placed on the upper surface of the tunnel shaft through a gradienter, and pulleys on the left side and the right side can be driven to move downwards on the left side wall and the right side wall of an inner cavity of the shaft; the spring telescopic rods on the left side and the right side are reset and compressed, so that different stresses are generated, then different pressure values borne by the pressure sensors on the left side and the right side transmit signals to the display screen in the control panel, then measurement personnel obtain the deformation condition of the tunnel shaft through the numerical values displayed on the display screen, and the device is simple in structure and convenient to use. The efficiency and accuracy of measurement can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a deformation measuring device technical field, specifically is a tunnel vertical shaft deformation measuring device. BACKGROUND

[0002] In long tunnel construction, in order to shorten the construction period, vertical shaft or inclined shaft is set to increase working face, and some parallel pilot holes are set, the setting of vertical shaft or inclined shaft can increase working face, but the transportation cost is increased, and the input of building shaft is needed, when the deformation occurs in the inside of tunnel vertical shaft, the deformation measuring device is needed to measure the inside of tunnel vertical shaft, and important data support can be provided for the safe operation of tunnel.

[0003] For example, CN219694087U discloses a tunnel vertical shaft deformation measuring device, which comprises a fixing frame, a fixing column, a measuring mechanism and an adjusting mechanism, the bottom of the fixing frame is provided with the adjusting mechanism, the bottom of the adjusting mechanism is fixedly connected with the fixing column, and the fixing column is fixedly connected with the measuring mechanism on both sides.

[0004] Although the above-mentioned patent is convenient and quick to detect and locate the specific position of deformation of the vertical shaft, but when the detection is completed, the first motor is turned off, then the second electric push rod is retracted, the outer rod is retracted by rotating the lead screw, then the drawing paper is taken out, the traces of the drawing pen are read and the vertical shaft deformation place can be detected by the traces, the process is relatively complex, the internal deformation of the vertical shaft cannot be known at the first time, and then the measuring efficiency is reduced. UTILITY MODEL CONTENTS

[0005] In view of the defects of the prior art, the utility model provides a tunnel vertical shaft deformation measuring device, which has the advantages of improving measuring efficiency, solves the problems that when the detection is completed, the first motor is turned off, then the second electric push rod is retracted, the outer rod is retracted by rotating the lead screw, then the drawing paper is taken out, the traces of the drawing pen are read and the vertical shaft deformation place can be detected by the traces, the process is relatively complex, the internal deformation of the vertical shaft cannot be known at the first time, and then the measuring efficiency is reduced.

[0006] To achieve the above object, the utility model provides the following technical scheme: a tunnel vertical shaft deformation measuring device, including rectangular fixed cylinder, the inside of left and right of rectangular fixed cylinder all is fixed with rectangular rod through bolt, the lower surface of left and right side rectangular rod all is provided with support structure, the upper surface of rectangular fixed cylinder is provided with control panel, the lower surface of rectangular fixed cylinder is equipped with measuring mechanism,

[0007] The measuring mechanism includes a first electric push rod, a connecting frame, a second electric push rod, a connecting block, two third electric push rods, two moving rods, two pressure sensors and a connecting assembly, the first electric push rod is arranged on the lower surface of the rectangular fixed cylinder through the mounting frame, the connecting frame is arranged on the outer side of the first electric push rod output shaft, the second electric push rod is arranged on the top wall of the connecting frame inner cavity, the connecting block is arranged on the outer side of the second electric push rod output shaft, the connecting block is slidably connected in the connecting frame, the two third electric push rods are fixed on the left and right sides of the connecting block through the mounting frame, the two moving rods are arranged on the outer side of the left and right third electric push rod output shafts, and the two pressure sensors are arranged on the side opposite to the left and right moving rods.

[0008] The connecting assembly includes two spring telescopic rods, two fixed blocks and two pulleys, the two spring telescopic rods are arranged on the side opposite to the left and right pressure sensors, the two fixed blocks are arranged on the side opposite to the left and right spring telescopic rods, and the two pulleys are rotatably connected on the side opposite to the left and right fixed blocks.

[0009] By adopting the technical scheme, the measurement efficiency can be improved.

[0010] Further, the spring telescopic rod includes a first movable rod, a second movable rod is slidably connected in the first movable rod, and a spring is movably sleeved on the outer side of the first movable rod.

[0011] By adopting the technical scheme, when the left and right pulleys encounter the concave-convex of the inner wall of the vertical shaft due to deformation, the left and right spring telescopic rods are reset and compressed, thereby generating different stresses.

[0012] Further, the support structure includes a threaded cylinder, a threaded rod is screw-connected in the inner side of the threaded cylinder, a support plate is arranged on the bottom end of the threaded rod, and a rotating ring is arranged on the outer side of the threaded rod.

[0013] By adopting the technical scheme, the measuring device can be supported by the left and right support structures.

[0014] Further, the gap between the rectangular rod and the rectangular fixed cylinder is matched.

[0015] By adopting the technical scheme, the left and right rectangular rods can be adjusted left and right in the interior of the rectangular fixed cylinder by twisting the bolts on the upper surface of the rectangular fixed cylinder.

[0016] Further, the upper surface of the rectangular fixed cylinder is provided with a level meter, and the level meter is located on the left side of the control panel.

[0017] By adopting the technical scheme, the measuring device can be placed stably by the level meter.

[0018] Further, the first electric push rod, the second electric push rod, the two third electric push rods and the two pressure sensors are electrically connected with the control panel through wires.

[0019] By adopting the technical scheme, the measuring device can be controlled by the control panel, and the back surface of the control panel is provided with a data transmission interface.

[0020] Further, the control panel is provided with a controller inside.

[0021] By adopting the technical scheme, the intelligence of the measuring device is improved.

[0022] Further, the left and right sides of the connecting block are provided with support plates, and the upper surfaces of the support plates are fixedly connected with the lower surfaces of the third electric push rods.

[0023] By adopting the technical scheme, the left and right third electric push rods can be supported, and the stability of the fixing is improved.

[0024] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0025] The tunnel shaft deformation measuring device, when measuring the tunnel shaft, places the rectangular fixed cylinder horizontally on the upper surface of the tunnel shaft through the level, and the left and right support structures are located on the left and right sides of the shaft mouth, and the first electric push rod is located in the inside of the tunnel shaft and at the center of the tunnel shaft, then the left and right third electric push rods are started through the control panel, the left and right pulleys contact the left and right two side walls of the inner cavity of the shaft, and the left and right spring telescopic rods are compressed to a certain value, at this time, the left and right third electric push rods are closed through the control panel, and the first electric push rod and the second electric push rod are opened through the control panel, so as to drive the left and right pulleys to move downward on the left and right two side walls of the inner cavity of the shaft, when the left and right pulleys meet the concave-convex of the inner wall of the shaft due to deformation, the left and right spring telescopic rods are reset and compressed, so as to generate different stresses, then the left and right pressure sensors receive different pressure values, and signals are transmitted to the display screen in the control panel, then the measurer obtains the deformation condition of the tunnel shaft according to the values displayed on the display screen, and the device has simple structure and can improve the measuring efficiency and accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 It is a structural schematic diagram of the utility model;

[0027] Fig. 2 It is a connecting structure schematic diagram of the rectangular rod and the support structure of the utility model;

[0028] Fig. 3 It is a measuring mechanism schematic diagram of the utility model.

[0029] In the drawing: 1, rectangular fixed cylinder; 2, rectangular rod; 3, support structure; 4, control panel; 5, measuring mechanism; 51, first electric push rod; 52, connecting frame; 53, second electric push rod; 54, connecting block; 55, third electric push rod; 56, moving rod; 57, pressure sensor; 581, spring telescopic rod; 582, fixed block; 583, pulley. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Please refer to Figs. 1-2The tunnel shaft deformation measuring device in the embodiment comprises a rectangular fixed cylinder 1, the left and right interiors of the rectangular fixed cylinder 1 are both fixed with a rectangular rod 2 through bolts, the lower surfaces of the left and right rectangular rods 2 are both provided with support structures 3, the upper surface of the rectangular fixed cylinder 1 is provided with a control panel 4, and the lower surface of the rectangular fixed cylinder 1 is provided with a measuring mechanism 5, and the measuring mechanism 5 can improve the measuring efficiency.

[0032] The support structure 3 in the embodiment comprises a threaded cylinder, a threaded rod is threadedly connected in the threaded cylinder, a support plate is arranged at the bottom end of the threaded rod, a rotating ring is arranged on the outer side of the threaded rod, the gap between the rectangular rod 2 and the rectangular fixed cylinder 1 is matched, the inside of the threaded cylinder can be driven to rotate and move downward by rotating the rotating ring, the levelness of the rectangular fixed cylinder 1 can be adjusted, and a level gauge is arranged on the upper surface of the rectangular fixed cylinder 1, the level gauge is located on the left side of the control panel 4, a controller is arranged in the control panel 4, and the level gauge is a mechanical level gauge: mainly relying on a level tube for measurement, the inner wall of the level tube is a curved surface with a certain radius of curvature, and the tube is filled with liquid, when the level gauge is inclined, the bubble in the level tube moves to the end of the level gauge that rises, so that the position of the horizontal plane is determined.

[0033] Please refer to Fig. 3 In order to improve the measuring efficiency, the measuring mechanism 5 in the embodiment comprises a first electric push rod 51, a connecting frame 52, a second electric push rod 53, a connecting block 54, two third electric push rods 55, two moving rods 56, two pressure sensors 57 and a connecting assembly, the first electric push rod 51 is arranged on the lower surface of the rectangular fixed cylinder 1 through a mounting frame, the connecting frame 52 is arranged on the outer side of the output shaft of the first electric push rod 51, the second electric push rod 53 is arranged on the top wall of the inner cavity of the connecting frame 52, and the connecting block 54 is arranged on the outer side of the output shaft of the second electric push rod 53.

[0034] In the embodiment, the connecting block 54 is slidably connected in the inside of the connecting frame 52, the two third electric push rods 55 are both fixed on the left and right sides of the connecting block 54 through mounting frames, the two moving rods 56 are both arranged on the outer sides of the output shafts of the left and right third electric push rods 55, and the two pressure sensors 57 are both arranged on the sides opposite to the left and right moving rods 56.

[0035] In the embodiment, the connecting assembly comprises two spring telescopic rods 581, two fixed blocks 582 and two pulleys 583, the two spring telescopic rods 581 are both arranged on the sides opposite to the left and right pressure sensors 57, the two fixed blocks 582 are both arranged on the sides opposite to the left and right spring telescopic rods 581, and the two pulleys 583 are both rotatably connected to the sides opposite to the left and right fixed blocks 582.

[0036] The embodiment has the advantages of simple structure, simple and rapid operation, high detection precision and the like, and can realize the purpose of non-destructive and rapid detection of the spring.

[0037] In the embodiment, when the tunnel shaft is measured, the rectangular fixed cylinder 1 is horizontally placed on the upper surface of the tunnel shaft through the level, and the left and right support structures 3 are located on the left and right sides of the shaft mouth, and the first electric push rod 51 is located in the inside of the tunnel shaft and at the center of the tunnel shaft, then the left and right third electric push rods 55 are started through the control panel 4, driving the left and right pulleys 583 to move in opposite directions, the left and right pulleys 583 contact the left and right two side walls of the inner cavity of the shaft, and the left and right spring telescopic rods 581 are compressed to a certain value, at this time, the left and right third electric push rods 55 are closed through the control panel 4.

[0038] In the embodiment, the spring telescopic rod 581 comprises a first movable rod, a second movable rod is slidably connected in the inside of the first movable rod, and a spring is movably sleeved on the outside of the first movable rod, the first electric push rod 51, the second electric push rod 53, the two third electric push rods 55 and the two pressure sensors 57 are electrically connected with the control panel 4 through wires, the left and right sides of the connecting block 54 are provided with support plates, the upper surfaces of the support plates are fixedly connected with the lower surfaces of the third electric push rods 55, and then the first electric push rod 51 and the second electric push rod 53 are opened through the control panel 4, so as to drive the left and right pulleys 583 to move downward on the left and right two side walls of the inner cavity of the shaft, and the stress change generated by the compression of the spring can be measured in cooperation with the pressure sensor 57.

[0039] It should be noted that when the left and right pulleys 583 encounter the inner wall of the shaft due to deformation, the left and right spring telescopic rods 581 are reset and compressed, so as to generate different stresses, then the left and right pressure sensors 57 receive different pressure values, and the signals are transmitted to the display screen in the control panel 4, then the measurer obtains the deformation condition of the tunnel shaft according to the values displayed on the display screen, and the efficiency and accuracy of the measurement can be improved.

[0040] The working principle of the above embodiment is as follows:

[0041] When measuring the tunnel shaft, the rectangular fixed cylinder 1 is placed horizontally on the upper surface of the tunnel shaft through the level, and the left and right support structures 3 are located on the left and right sides of the shaft mouth, and the first electric push rod 51 is located in the inside of the tunnel shaft, and the first electric push rod 51 is located in the center of the tunnel shaft, then the left and right third electric push rods 55 are started through the control panel 4, driving the left and right pulleys 583 to move in opposite directions, the left and right pulleys 583 contact the left and right side walls of the shaft cavity, and the left and right spring telescopic rods 581 are compressed to a certain value, at this time the left and right third electric push rods 55 are closed through the control panel 4, and the first electric push rod 51 and the second electric push rod 53 are opened through the control panel 4, which can drive the left and right pulleys 583 to move downward on the left and right side walls of the shaft cavity, when the left and right pulleys 583 encounter the inner wall of the shaft due to deformation, the left and right spring telescopic rods 581 are reset and compressed, thereby generating different stresses, and then the left and right pressure sensors 57 receive different pressure values, and the signals are transmitted to the display screen in the control panel 4, and then the measurer obtains the deformation condition of the tunnel shaft through the displayed values on the display screen, which can improve the efficiency and accuracy of measurement.

Claims

1. A tunnel shaft deformation measuring device, comprising a rectangular fixed cylinder (1), characterized in that: The rectangular fixing cylinder (1) has rectangular rods (2) fixed inside on both the left and right sides by bolts. The lower surfaces of the rectangular rods (2) on both the left and right sides are provided with support structures (3). The upper surface of the rectangular fixing cylinder (1) is provided with a control panel (4). The lower surface of the rectangular fixing cylinder (1) is provided with a measuring mechanism (5). The measuring mechanism (5) includes a first electric push rod (51), a connecting frame (52), a second electric push rod (53), a connecting block (54), two third electric push rods (55), two moving rods (56), two pressure sensors (57), and a connecting assembly. The first electric push rod (51) is mounted on the lower surface of the rectangular fixed cylinder (1) through a mounting frame. The connecting frame (52) is located on the outside of the output shaft of the first electric push rod (51). The second electric push rod (53) is located on the top wall of the inner cavity of the connecting frame (52). The connecting block (54) is located on the outside of the output shaft of the second electric push rod (53). The connecting block (54) is slidably connected to the inside of the connecting frame (52). The two third electric push rods (55) are fixed on the left and right sides of the connecting block (54) through a mounting frame. The two moving rods (56) are located on the outside of the output shaft of the left and right third electric push rods (55). The two pressure sensors (57) are located on the opposite side of the left and right moving rods (56). The connecting assembly includes two spring telescopic rods (581), two fixing blocks (582), and two pulleys (583). The two spring telescopic rods (581) are all located on opposite sides of the left and right pressure sensors (57). The two fixing blocks (582) are all located on opposite sides of the left and right spring telescopic rods (581). The two pulleys (583) are rotatably connected to opposite sides of the left and right fixing blocks (582).

2. The tunnel shaft deformation measuring device according to claim 1, characterized in that: The spring telescopic rod (581) includes a first movable rod, a second movable rod is slidably connected inside the first movable rod, and a spring is movably fitted on the outer side of the first movable rod.

3. The tunnel shaft deformation measuring device according to claim 1, characterized in that: The support structure (3) includes a threaded cylinder, the inside of which is threaded with a threaded rod, the bottom end of which is provided with a support plate, and the outside of which is provided with a rotating ring.

4. The tunnel shaft deformation measuring device according to claim 1, characterized in that: The rectangular rod (2) and the rectangular fixed cylinder (1) are fitted with a gap.

5. The tunnel shaft deformation measuring device according to claim 1, characterized in that: A level is provided on the upper surface of the rectangular fixed cylinder (1), and the level is located on the left side of the control panel (4).

6. The tunnel shaft deformation measuring device according to claim 1, characterized in that: The first electric actuator (51), the second electric actuator (53), the two third electric actuators (55) and the two pressure sensors (57) are all electrically connected to the control panel (4) via wires.

7. The tunnel shaft deformation measuring device according to claim 1, characterized in that: The control panel (4) is equipped with a controller.

8. The tunnel shaft deformation measuring device according to claim 1, characterized in that: Support plates are provided on both the left and right sides of the connecting block (54), and the upper surface of the support plate is fixedly connected to the lower surface of the third electric push rod (55).

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