Stress monitoring device for tunnel construction

Abstract

The utility model relates to the technical field of tunnel construction, and discloses a stress monitoring device for tunnel construction, which comprises a monitoring mechanism, the monitoring mechanism comprises symmetrically arranged side plates, one side plate is provided with a side motor, an output shaft of the side motor is connected with a rotary threaded column through a coupler, and the rotary threaded column is rotatably connected between the two side plates. The rotating threaded column is in threaded connection with a movable block, the top of the movable block is provided with a lifting air cylinder with a piston part arranged vertically upwards, a base plate is further arranged between the side plates on the two sides, the base plate is slidably connected with stress monitoring equipment by forming a sliding groove, and the piston part of the lifting air cylinder movably penetrates through the sliding groove and then is connected with the stress monitoring equipment; through the arrangement of the side motor, the rotary threaded column, the movable block, the lifting air cylinder and the stress monitoring equipment, the device has the advantages that the cost is reduced, the device is convenient to install and use, and the working complexity of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a stress monitoring device for tunnel construction belongs to the technical field of tunnel construction. BACKGROUND

[0002] Tunnel construction is a complex and important engineering activity, which is a construction method of forming by one blasting according to the design contour, and then building lining. Tunnel construction involves various methods and technical choices, and suitable construction methods and technologies should be selected according to actual conditions, and construction should be strictly conducted in accordance with relevant specifications and standards. At present, in order to understand the safety of tunnel construction, the stress in the tunnel construction needs to be monitored. Common stress monitoring devices include resistance strain gauges, pressure boxes, etc.

[0003] At present, when such stress monitoring devices monitor the stress of the tunnel, they are fixedly installed at the positions required to be monitored in the tunnel, such as the top of the tunnel. Since the installation position is fixed, when it is necessary to switch the monitoring of different positions in the tunnel, such as switching the monitoring of different positions on the top of the tunnel, it is necessary to install multiple stress monitoring devices to switch the working state to realize the switching of the monitoring of different positions in the tunnel, or the staff needs to disassemble the original position stress monitoring device and reinstall it at the new position. The method of installing multiple stress monitoring devices has the problems of high cost and complicated installation, and the method of disassembling and reinstalling the stress monitoring device has the problem of increasing the work complexity of the staff. SUMMARY

[0004] In order to solve the above-mentioned problems existing in the prior art, the utility model provides a stress monitoring device for tunnel construction.

[0005] The technical scheme of the utility model is as follows:

[0006] A stress monitoring device for tunnel construction, comprising a monitoring mechanism, the monitoring mechanism comprising symmetrically arranged side plates, one of the side plates being provided with a side motor, the output shaft of the side motor being connected through a shaft coupling to a rotating threaded column rotatably connected between the two side plates, the rotating threaded column being threadedly connected with a movable block, the top of the movable block being provided with a piston portion of a lifting cylinder arranged vertically upward, a spacer plate being further arranged between the two side plates, the spacer plate being slidably connected with a stress monitoring device through a sliding groove, and the piston portion of the lifting cylinder being connected with the stress monitoring device after passing through the sliding groove.

[0007] The spacer plate is further arranged between the two side plates, and the spacer plate is slidably connected with a stress monitoring device through a sliding groove.

[0008] The side wall of the side plate away from each other is provided with an installation arc plate, and the installation arc plate is threadedly connected with an installation bolt.

[0009] The monitoring device further comprises a fog water spraying mechanism, the fog water spraying mechanism comprises a lower plate threadedly connected to the bottom of the movable block through a lower bolt, the bottom of the lower plate is connected with a liquid pumping device through a connecting column, and the liquid pumping device is provided with a liquid pumping threaded pipe on the water pumping port.

[0010] The liquid pumping threaded pipe is further threadedly connected with a rotating threaded lock.

[0011] The water outlet of the liquid pumping device is further provided with a drain pipe, the drain pipe is further provided with a water distribution pipe, the both ends of the water distribution pipe are provided with lower pipes, and the both sides of the lower pipes are provided with fog water nozzles.

[0012] The monitoring device further comprises a carrying mechanism, the carrying mechanism comprises mounting plates threadedly connected to the both sides of the side plates through side bolts, and the both sides of the mounting plates are provided with carrying handles.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] The utility model discloses a stress monitoring device for tunnel.

[0015] 1、 the utility model discloses a monitoring mechanism is set up, it is in use, through the installation arc plate and installation screw with locking in the position required to monitor stress of tunnel, such as the top of tunnel, after beginning work to drive rotating threaded column rotation through control side motor, after rotating threaded column rotation can make movable block along rotating threaded column and move, to move stress monitoring equipment to the position required, after beginning work to make stress monitoring equipment and tunnel top close tightly with control lift cylinder, so that stress monitoring equipment can monitor the stress of the corresponding position of tunnel top, when needing to switch the monitoring position, first, through control lift cylinder beginning work, make stress monitoring equipment leave tunnel top, after beginning work again, through rotating threaded column rotation, make stress monitoring equipment move to the position required after control side motor, control lift cylinder beginning work make stress monitoring equipment and tunnel top close tightly again, at this moment, stress monitoring equipment can monitor the stress of this position, compared with prior art, need not staff to manually replace the position of monitoring device, also need not to install multiple stress monitoring equipment, has the advantages of reducing cost, installation and use are convenient, reduce the work complexity of staff.

[0016] 2. The utility model discloses a mist spray mechanism is set, when needing to spray mist in the tunnel, through the water injection pipe of outside is locked with the liquid pumping threaded pipe through the rotation screw lock, then controls the liquid pumping equipment to start working, and the liquid pumping equipment draws out the water in the water injection pipe, and the water that draws out is transported to the mist spray head in the drain pipe, the water pipe and lower pipe through the water distribution pipe, and the mist spray head sprays the water mist that obtains to the tunnel, to can reduce the temperature in the tunnel and suppress the dust in the tunnel, thereby can promote the cleanliness in the tunnel engineering, be favorable to the staff long -time in the tunnel work carries out.

[0017] 3. The utility model discloses a carrying mechanism is set, when needing to move the monitoring device, the staff can pass through the carrying handle and move the monitoring device through the carrying mode to the staff of the monitoring device conveniently, avoid the staff to hold other components of the monitoring device when moving the monitoring device and lead to the damage condition to take place, be favorable to the long -term use of monitoring device. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the axonometric drawing of the utility model;

[0019] Fig. 2 It is the structure schematic diagram of the front view angle of the utility model;

[0020] Fig. 3 It is the structure schematic diagram of the bottom view angle of the utility model;

[0021] Fig. 4 It is the structure schematic diagram of the top view angle of the utility model;

[0022] Fig. 5 It is the structure schematic diagram of the right view angle of the utility model.

[0023] The reference signs in the drawing are shown as:

[0024] 1, monitoring mechanism;101, side plate;102, side motor;103, rotation screw column;104, movable block;105, lifting cylinder;106, stress monitoring equipment;107, limit long column;108, installation arc plate;109, mounting bolt;110, pad plate;

[0025] 2, mist spray mechanism;201, lower bolt;202, lower plate;203, connecting column;204, liquid pumping equipment;205, liquid pumping threaded pipe;206, rotation screw lock;207, drain pipe;208, water distribution pipe;209, lower pipe;210, mist spray head;

[0026] 3, carrying mechanism;301, side bolt;302, mounting plate;303, carrying handle. DETAILED DESCRIPTION

[0027] The utility model will be explained in detail below in combination with the drawings and specific embodiments.

[0028] Embodiment: please refer to Figs. 1-5 The embodiment provides a stress monitoring device for tunnel construction, which comprises a monitoring mechanism 1, the monitoring mechanism 1 comprises symmetrically arranged side plates 101, one side plate 101 is fixedly arranged on the side wall away from the other side plate 101, a side motor 102 is arranged on the side wall, the output shaft of the side motor 102 is connected with a rotating threaded column 103 arranged horizontally between the two side plates 101 through a shaft coupling, the two ends of the rotating threaded column 103 are rotatably connected to the two side plates 101 respectively, a movable block 104 is threadedly connected to the rotating threaded column 103, the rotating threaded column 103 can rotate between the two side plates 101 under the drive of the side motor 102, and the movable block 104 can move along the rotating threaded column 103 according to the rotation direction of the rotating threaded column 103 when the rotating threaded column 103 rotates. A lifting cylinder 105 with a piston part arranged vertically upward is arranged on the top of the movable block 104, a backing plate 110 is further arranged between the two side plates 101, the backing plate 110 is arranged above the rotating threaded column 103, the two ends of the backing plate 110 are fixedly connected to the corresponding side plates 101 respectively, a stress monitoring equipment 106 is slidably connected to the backing plate 110 through a groove, the sliding direction of the stress monitoring equipment 106 on the backing plate 110 is parallel to the arrangement direction of the rotating threaded column 103, and the piston part of the lifting cylinder 105 is fixedly connected to the stress monitoring equipment 106 after passing through the groove.

[0029] By the foregoing arrangement, in use, when it is installed in the tunnel at the position where stress needs to be monitored, for the convenience of the installation of the monitoring mechanism 1 as a whole, in the embodiment, the installation arc plates 108 are fixedly arranged on the side walls of the two side plates 101 away from each other, the two installation arc plates 108 are arranged at the top positions of the corresponding side plates 101, and the installation screws 109 are threadedly connected to the two installation arc plates 108. When installing, the workers lock the installation arc plates 108 at the position where stress needs to be monitored in the tunnel, such as the top of the tunnel, by means of the installation screws 109, so as to realize the installation of the monitoring mechanism 1. Then the workers start the side motor 102 to drive the rotating threaded column 103 to rotate, so that the movable block 104 can move along the rotating threaded column 103, so as to drive the lifting cylinder 105 and the stress monitoring device 106 to move, thereby moving the stress monitoring device 106 to the required position. Then the workers control the lifting cylinder 105 to start working, and the lifting cylinder 105 can lift the stress monitoring device 106 upward so that the stress monitoring device 106 is tightly attached to the top of the tunnel. In this way, the stress monitoring device 106 can monitor the stress of the corresponding position of the top of the tunnel. After monitoring for a period of time, when the monitoring position needs to be switched, the workers first control the lifting cylinder 105 to start working, so that the stress monitoring device 106 is separated from the top of the tunnel, and then control the side motor 102 to start working, and move the stress monitoring device 106 to the required position by rotating the rotating threaded column 103. Then the workers control the lifting cylinder 105 to start working, so that the stress monitoring device 106 is tightly attached to the top of the tunnel again. At this time, the stress monitoring device 106 can monitor the stress of this position, that is, the switching of the monitoring position can be realized without the workers manually changing the position of the monitoring device or installing multiple stress monitoring devices 106.

[0030] To ensure the stability of the movable block 104 during movement, the limiting long columns 107 are arranged between the two side plates 101 in a direction suitable for the rotating threaded column 103. The two ends of the limiting long columns 107 are fixedly connected to the corresponding side plates 101, and the limiting long columns 107 are movably arranged through the movable block 104. By the arrangement of the limiting long columns 107, when the movable block 104 moves along the rotating threaded column 103 under the action of the rotating threaded column 103, the limiting long columns 107 can limit the movable block 104 to move only along the rotating threaded column 103 and the limiting long columns 107, so that it cannot be deflected, etc., thereby ensuring the stability of the movable block 104 during movement.

[0031] In order to facilitate the long time work of the staff in the tunnel, in the embodiment, the monitoring device further comprises a mist spraying mechanism 2, the mist spraying mechanism 2 comprises a lower plate 202 which is threadedly connected to the bottom of the movable block 104 through a lower bolt 201, the bottom of the lower plate 202 is fixedly connected with a liquid pumping device 204 through a connecting column 203, a liquid pumping threaded pipe 205 is communicated and arranged on the water outlet of the liquid pumping device 204, and a rotating threaded lock 206 is threadedly connected to the liquid pumping threaded pipe 205. A drain pipe 207 is communicated and arranged on the water outlet of the liquid pumping device 204, a water distribution pipe 208 is horizontally arranged on the drain pipe 207, the middle part of the drain pipe 207 and the water distribution pipe 208 are communicated, lower pipes 209 are communicated and arranged on both ends of the water distribution pipe 208, the two lower pipes 209 are vertically arranged downward, the top ends of the two lower pipes are communicated with the water distribution pipe 208, and mist spraying heads 210 are communicated and arranged on the bottom ends of the two lower pipes 209, the spraying ends of the two mist spraying heads 210 are vertically arranged downward. Through the foregoing arrangement, the external water injection pipe is locked with the liquid pumping threaded pipe 205 through the rotating threaded lock 206, then the staff controls the liquid pumping device 204 to start working, the liquid pumping device 204 can pump out the water in the external water injection pipe, and the pumped-out water is transported to the two mist spraying heads 210 through the drain pipe 207, the water distribution pipe 208 and the two lower pipes 209, the mist spraying heads 210 atomize the obtained water and spray mist into the tunnel, so as to reduce the temperature in the tunnel and suppress the dust in the tunnel, thereby improving the cleanliness in the tunnel engineering, and when the movable block 104 moves along the rotating threaded column 103, the mist spraying heads 210 move with it, so that the mist can be sprayed in the tunnel more comprehensively, which is beneficial to the long time work of the staff in the tunnel.

[0032] In order to facilitate the movement of the monitoring device, in the embodiment, the monitoring device further comprises a carrying mechanism 3, the carrying mechanism 3 comprises mounting plates 302 which are threadedly connected to the two side plates 101 through side bolts 301, the two mounting plates 302 are arranged on the side walls of the corresponding side plates 101 away from the other side plate 101, and carrying handles 303 are fixedly arranged on the two mounting plates 302. Through the foregoing arrangement, when it is necessary to move the monitoring device, the staff can grasp the carrying handles 303 and move the monitoring device by carrying, so as to facilitate the movement of the staff, and avoid the damage of other parts of the monitoring device caused by the staff grasping the monitoring device when moving the monitoring device.

[0033] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made according to the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A stress monitoring device for tunnel construction, characterized by: The monitoring mechanism (1) comprises symmetrically arranged side plates (101), one side plate (101) is provided with a side motor (102), the output shaft of the side motor (102) is connected with a rotating threaded column (103) rotatingly connected between the two side plates (101) through a shaft coupling, the rotating threaded column (103) is threadedly connected with a movable block (104), the top of the movable block (104) is provided with a piston part of a lifting cylinder (105) arranged vertically upward, a spacer plate (110) is further arranged between the two side plates (101), the spacer plate (110) is slidably connected with a stress monitoring device (106) through a sliding groove, and the piston part of the lifting cylinder (105) is connected with the stress monitoring device (106) after sliding through the sliding groove.

2. The stress monitoring device for tunnel construction of claim 1, wherein: A limiting long column (107) is further arranged between the two side plates (101) and is arranged in a direction suitable for the rotating threaded column (103), and the limiting long column (107) is arranged through the movable block (104).

3. The stress monitoring device for tunnel construction of claim 1, wherein: The side wall of the side plate (101) away from each other is provided with a mounting arc plate (108), and the mounting arc plate (108) is threadedly connected with a mounting bolt (109).

4. The stress monitoring device for tunnel construction of claim 1, wherein: The monitoring device further comprises a mist water spraying mechanism (2), the mist water spraying mechanism (2) comprises a lower plate (202) threadedly connected to the bottom of the movable block (104) through a lower bolt (201), the bottom of the lower plate (202) is connected with a liquid pumping device (204) through a connecting column (203), and the water outlet of the liquid pumping device (204) is provided with a liquid pumping threaded pipe (205).

5. The stress monitoring device for tunnel construction of claim 4, wherein: The liquid pumping threaded pipe (205) is further threadedly connected with a rotating threaded lock (206).

6. The stress monitoring device for tunnel construction of claim 4, wherein: The water outlet of the liquid pumping device (204) is further provided with a drain pipe (207), the drain pipe (207) is further provided with a water distribution pipe (208), the both ends of the water distribution pipe (208) are provided with lower pipes (209), and the both sides of the lower pipes (209) are provided with mist water nozzles (210).

7. The stress monitoring device for tunnel construction of claim 1, wherein: The monitoring device further comprises a carrying mechanism (3), the carrying mechanism (3) comprises mounting plates (302) threadedly connected to the two side plates (101) through side bolts (301), and the both sides of the mounting plates (302) are provided with carrying handles (303).

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