Tunnel back break detection control device

Abstract

The utility model relates to the technical field of tunnel construction detection equipment, in particular to a tunnel back break detection control device which comprises a total station body and a positioning mounting seat, a reinforcing and supporting mechanism is arranged below the positioning mounting seat, an adjusting and controlling mechanism is arranged on the side edge of the reinforcing and supporting mechanism, and the adjusting and controlling mechanism is connected with the total station body. When the tunnel over-break and under-break detection control device is used, through the design that a balancing weight is additionally arranged at the bottom end of the device, the overall gravity of the device is increased through the balancing weight, and therefore the effect of enhancing the stability of the overall placement gravity center of the device is achieved; meanwhile, the gravity center of the tripod is increased through the balancing weight, so that the tripod is not prone to toppling under other external force, the stability of the equipment is improved, the balancing weight is further arranged to be detachable through mechanism transmission, disassembly and assembly are convenient, the overall structural design is ingenious, and the practical effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel construction detection equipment technical field, and especially relates to a tunnel overbreak and underbreak detection control device. BACKGROUND

[0002] "tunnel overbreak" and "tunnel underbreak" are common terms in tunnel engineering, mainly used to describe the difference between the actual excavation and the design requirements in the excavation process, and the tunnel overbreak and underbreak detection control device is a kind of monitoring and control equipment used in tunnel construction, mainly used for detecting and controlling the overbreak and underbreak phenomenon in the tunnel excavation process. In tunnel construction, overbreak refers to the amount of excavated earth and stone exceeding the design requirements, while underbreak refers to the amount of excavation being insufficient to meet the design standards, and the total station is a commonly used detection equipment, which can measure the actual excavation section of the tunnel through its high-precision measurement function, and compare it with the design section to determine whether there is underbreak or overbreak;

[0003] The patent number "CN217687232U" discloses a "tunnel overbreak and underbreak detection control device", which adjusts the height of the instrument body through the hydraulic rod control instrument, and simultaneously pushes the moving plate to control and detect different positions in the tunnel, thereby facilitating the user to control the instrument body to measure different positions without manually carrying the instrument body to control and adjust the different positions. At the same time, it increases the storage function to prevent the instrument body surface from being covered with a large amount of dust. Due to the unevenness of the tunnel ground, the total station is prone to tipping without manual intervention in such an environment, but the above-mentioned device does not improve this problem, and the overall support stability is not good. UTILITY MODEL CONTENTS

[0004] The purpose of the present utility model is to solve the above-mentioned problems and propose a tunnel overbreak and underbreak detection control device, which improves the problem of the above-mentioned tunnel overbreak and underbreak detection control device being prone to tipping without manual intervention in tunnel environment.

[0005] A tunnel overbreak and underbreak detection control device, comprising a total station body and a positioning mounting seat: the bottom end outer wall of the total station body is provided with a positioning mounting seat, the lower part of the positioning mounting seat is provided with a reinforcing support mechanism, the side of the reinforcing support mechanism is provided with an adjusting control mechanism, the lower part of the adjusting control mechanism is provided with a resisting limiting mechanism, the reinforcing support mechanism comprises a threaded cylinder, a threaded column, a connecting line and a counterweight, the bottom end outer wall of the positioning mounting seat is provided with a threaded cylinder, the threaded cylinder is internally screwed with a threaded column, the bottom end outer wall of the threaded column is provided with a connecting line, and the lower part of the connecting line is provided with a counterweight.

[0006] Preferably, the adjusting control mechanism comprises support frames, a piston rod, a piston pad and a piston cylinder, three groups of support frames are arranged at the outer wall of the bottom end of the positioning mounting seat, the outer wall of the bottom end of the support frame is connected with the outer wall of the top end of the piston rod, the outer wall of the bottom end of the piston rod is connected with the outer wall of the top end of the piston pad, and the piston pad is slidingly installed in the interior of the piston cylinder.

[0007] Preferably, first screw grooves are arranged at the outer wall of the side of the piston cylinder at equal intervals, second screw grooves are arranged at the outer wall of the side of the piston rod close to the bottom end position, and the first screw grooves and the second screw grooves are in threaded connection with the locking bolts.

[0008] Preferably, limit protrusions are symmetrically arranged at the outer wall of the side of the piston pad, and a strip-shaped groove is arranged at the inner wall of the side of the piston cylinder in correspondence, and the limit protrusions and the strip-shaped groove are in sliding connection.

[0009] Preferably, the threaded hole diameters of the first screw grooves and the second screw grooves are equal.

[0010] Preferably, the abutting limiting mechanism comprises a support bottom plate, limit support blocks and a support shaft, the outer wall of the bottom end of the piston cylinder is symmetrically provided with limit support blocks, two limit support blocks are arranged, and the support shaft is connected between the two limit support blocks.

[0011] Preferably, a support cylinder is rotatably arranged at the outer portion of the support shaft, and ground nails are symmetrically arranged at the outer wall of the bottom end of the support cylinder.

[0012] The utility model discloses the beneficial effect is:

[0013] 1. The tunnel overbreak and underbreak detection control device is used, through the design of adding counterweight block at the bottom end of the device, the overall gravity of the device is increased by using the counterweight block, so that the effect of enhancing the overall center of gravity stability of the device is realized, and the effect of stably supporting the overall device is realized, and the counterweight block increases the center of gravity of the tripod, so that it is not easy to fall under the action of other external forces, thereby improving the stability of the equipment, and further through the mechanism transmission, the counterweight block is detachably designed, convenient to disassemble, the overall structure design is ingenious, and the practical effect is good.

[0014] 2、The tunnel overbreak and underbreak detection control device is adjustable in height by mechanism transmission when in use, so that the device can be adjusted to a suitable supporting height for detection according to the detection needs of the total station, thereby ensuring the accuracy of the subsequent detection results, and the device is additionally provided with ground nails at the bottom, the ground nails are inserted into the ground layer to enhance the supporting stability of the device as a whole, and the ground nails are rotatably arranged by mechanism combination, so that the ground nails can ensure the resistance supporting effect without affecting the supporting angle of the supporting feet, the overall structure design is ingenious, and the practical effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a reinforcing support mechanism three-dimensional structure schematic view of the utility model;

[0017] Figure 3 It is an adjusting control mechanism three-dimensional structure schematic view of the utility model;

[0018] Figure 4 It is a Figure 3 It is an enlarged three-dimensional structure schematic view of A in the utility model;

[0019] Figure 5 It is a resistance limiting mechanism three-dimensional structure schematic view of the utility model.

[0020] In the drawing: 1, total station body; 2, positioning mounting seat; 3, reinforcing support mechanism; 31, threaded cylinder; 32, threaded column; 33, connecting line; 34, counterweight; 4, adjusting control mechanism; 41, supporting frame; 42, piston rod; 43, piston pad; 44, piston cylinder; 45, first threaded groove; 46, second threaded groove; 47, locking bolt; 48, limiting protruding block; 5, resistance limiting mechanism; 51, supporting bottom plate; 52, limiting supporting block; 53, supporting shaft; 54, supporting cylinder; 55, ground nail. DETAILED DESCRIPTION

[0021] 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, not 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.

[0022] In specific implementation: such as Figures 1-5As shown, a tunnel over-excavation detection control device, including total station body 1 and positioning mounting seat 2: the bottom end outer wall of total station body 1 is provided with positioning mounting seat 2, the lower portion of positioning mounting seat 2 is provided with reinforcing support mechanism 3, the side of reinforcing support mechanism 3 is provided with adjusting control mechanism 4, the lower portion of adjusting control mechanism 4 is provided with abutting limiting mechanism 5, reinforcing support mechanism 3 includes threaded cylinder 31, threaded column 32, connecting wire 33 and counterweight 34, the bottom end outer wall of positioning mounting seat 2 is provided with threaded cylinder 31, threaded column 32 is screw-mounted in the inside of threaded cylinder 31, the bottom end outer wall of threaded column 32 is provided with connecting wire 33, connecting wire 33 is installed below counterweight 34; Here, the connecting wire 33 provided on the upper end of counterweight 34 plays an auxiliary installation effect, so that counterweight 34 can always be placed in a vertical direction, and the overall gravity of the device is increased by counterweight 34, thereby achieving the effect of stable support of the overall device by enhancing the overall placement gravity stability design of the device, when it is necessary to install counterweight 34 to the bottom end of the device, at this time, only need to pick up threaded column 32 from bottom to top and screw into the top end of threaded cylinder 31 to complete the installation, and the disassembly is the same.

[0023] Adjusting control mechanism 4 includes support frame 41, piston rod 42, piston pad 43 and piston cylinder 44, three groups of support frames 41 are installed at equal angles on the bottom end outer wall of positioning mounting seat 2, the bottom end outer wall of support frame 41 is connected with the top end outer wall of piston rod 42, the bottom end outer wall of piston rod 42 is connected with the top end outer wall of piston pad 43, piston pad 43 is slidingly installed in the inside of piston cylinder 44, first screw groove 45 is symmetrically and equally spaced through on the side outer wall of piston cylinder 44, second screw groove 46 is through on the side outer wall of piston rod 42 close to the bottom end position, first screw groove 45 and second screw groove 46 are screw-mounted with locking bolt 47, limit protrusions 48 are symmetrically provided on the side outer wall of piston pad 43, a strip-shaped groove is correspondingly provided on the side inner wall of piston cylinder 44, and limit protrusions 48 and the strip-shaped groove are slidingly installed; When it is necessary to adapt to the detection needs of total station body 1 to adjust the overall device to a suitable support height, at this time, only need to completely unscrew locking bolt 47 from the inside of first screw groove 45, thereby changing piston rod 42 from a locked state to a movable state, then directly pulling piston rod 42 to adjust it to a suitable support height, when piston rod 42 moves, it will automatically drive piston pad 43 to slide in the inside of piston cylinder 44, when piston pad 43 moves, it will automatically drive limit protrusions 48 to slide in the inside of the limiting groove, the synchronous setting of limit protrusions 48 and the limiting groove plays a limiting effect on the movement track of piston pad 43, and plays a limiting effect on the movement of piston rod 42, when piston rod 42 moves to a suitable height, then directly screw locking bolt 47 through corresponding first screw groove 45 to the bottom end of second screw groove 46 to complete the locking installation.

[0024] The thread opening diameters of the first thread groove 45 and the second thread groove 46 are equal; the equal thread opening diameters of the first thread groove 45 and the second thread groove 46 are arranged to prevent the locking bolt 47 from loosening after installation.

[0025] The abutting limiting mechanism 5 comprises a supporting bottom plate 51, a limiting supporting block 52 and a supporting shaft 53, the outer wall of the bottom end of the piston cylinder 44 is symmetrically provided with the limiting supporting block 52, two limiting supporting blocks 52 are arranged, and the supporting shaft 53 is connected between the two limiting supporting blocks 52, the supporting cylinder 54 is rotatably installed on the outer portion of the supporting shaft 53, and the bottom end of the supporting cylinder 54 is symmetrically provided with the ground nail 55; when the device is adjusted to a suitable supporting angle and needs to be placed on the ground of a mine, the ground nail 55 will first be inserted into the soil layer, so that the design of the ground nail 55 inserted into the soil layer achieves the effect of abutting support on the whole device, and the combined use of the supporting bottom plate 51, the limiting supporting block 52, the supporting shaft 53 and the supporting cylinder 54 enables the supporting angle of the ground nail 55 to be changed, so that the supporting effect of the device is not affected by the change of the supporting inclination angle, and the ground nail 55 can be normally inserted into the soil layer.

[0026] In use, first, the device needs to be adjusted to a suitable supporting height according to the detection needs of the total station body 1, at this time, the locking bolt 47 needs to be completely screwed out of the first thread groove 45, so that the piston rod 42 changes from the locked state to the active state, then the piston rod 42 is directly pulled to adjust it to a suitable supporting height, when the piston rod 42 moves, the piston pad 43 will automatically slide in the piston cylinder 44, when the piston pad 43 moves, the limiting lug 48 will automatically slide in the limiting groove, the limiting lug 48 and the limiting groove are arranged synchronously to limit the movement track of the piston pad 43, and also limit the movement of the piston rod 42, when the piston rod 42 moves to a suitable height, then the locking bolt 47 is directly screwed to the bottom end of the second thread groove 46 through the first thread groove 45 at the corresponding position to complete the locking installation, and the supporting height adjustment of the device is completed;

[0027] Then, when the device is placed at a designated mine detection position, the ground nail 55 will first be inserted into the soil layer, so that the design of the ground nail 55 inserted into the soil layer achieves the effect of abutting support on the whole device, and the combined use of the supporting bottom plate 51, the limiting supporting block 52, the supporting shaft 53 and the supporting cylinder 54 enables the supporting angle of the ground nail 55 to be changed, so that the supporting effect of the device is not affected by the change of the supporting inclination angle, and the ground nail 55 can be normally inserted into the soil layer;

[0028] Finally, the counterweight 34 is installed at the bottom end of the device, and the connecting wire 33 arranged at the upper end of the counterweight 34 plays an auxiliary installation effect, so that the counterweight 34 can be placed in a vertical direction all the time, and the overall gravity of the device is increased through the counterweight 34, thereby achieving the effect of stable support on the whole device through the design of enhancing the overall placement gravity center stability of the device. When installing the counterweight 34, only the threaded column 32 needs to be taken and screwed onto the top end of the threaded cylinder 31 from bottom to top to complete the installation, and the disassembly is the same.

[0029] The operation of the total station body 1 for detecting the tunnel condition can be operated according to the existing operation technology, which belongs to the existing conventional technology and will not be described in detail here.

[0030] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A tunnel over-excavation and under-excavation detection and control device, characterized in that, The utility model relates to a total station body (1) and positioning mounting seat (2) are included, the bottom end outer wall of total station body (1) is provided with positioning mounting seat (2), the lower portion of positioning mounting seat (2) is provided with reinforced support mechanism (3), the side of reinforced support mechanism (3) is provided with adjusting control mechanism (4), the lower portion of adjusting control mechanism (4) is provided with the resistance limit mechanism (5), reinforced support mechanism (3) includes threaded cylinder (31), threaded column (32), connecting wire (33) and counterweight (34), the bottom end outer wall of positioning mounting seat (2) is provided with threaded cylinder (31), the inside screw thread of threaded cylinder (31) is installed threaded column (32), the bottom end outer wall of threaded column (32) is provided with connecting wire (33), the lower portion of connecting wire (33) is installed counterweight (34), Adjusting control mechanism (4) includes support frame (41), piston rod (42), piston pad (43) and piston cylinder (44), the bottom end outer wall of positioning mounting seat (2) is provided with three groups of support frame (41) at equal angles, the bottom end outer wall of support frame (41) is connected with the top end outer wall of piston rod (42), the bottom end outer wall of piston rod (42) is connected with the top end outer wall of piston pad (43), and piston pad (43) is slidably installed in the inside of piston cylinder (44); The side outer wall of piston cylinder (44) is provided with first screw groove (45) at equal intervals, the side outer wall of piston rod (42) is provided with second screw groove (46) near the bottom end position, and the first screw groove (45) and the second screw groove (46) are screw threaded with the locking bolt (47); The side outer wall of piston pad (43) is provided with limit protrusion (48) symmetrically, the side inner wall of piston cylinder (44) is provided with a strip groove correspondingly, and the limit protrusion (48) and the strip groove are slidably installed.

2. The tunnel overbreak / underbreak detection control device according to claim 1, characterized by: The threaded hole diameters of the first screw groove (45) and the second screw groove (46) are equal.

3. The tunnel overbreak / underbreak detection control device according to claim 1, characterized by: The resistance limit mechanism (5) includes support base plate (51), limit support block (52) and support shaft (53), the bottom end outer wall of piston cylinder (44) is provided with limit support block (52) symmetrically, the limit support block (52) is provided with two, and the two limit support blocks (52) are connected with support shaft (53).

4. The tunnel overbreak / underbreak detection control device according to claim 3, characterized by: The outer portion of support shaft (53) is rotatably installed with support cylinder (54), and the bottom end outer wall of support cylinder (54) is provided with ground nail (55) symmetrically.

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