CN216246130U

CN216246130U - Device for measuring excavation and super-back excavation of hydraulic engineering tunnel

Info

Publication number: CN216246130U
Application number: CN202122914034.XU
Authority: CN
Inventors: 潘亚辉; 付海峰; 刘敏; 保庆顺; 杨静芸
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-04-08
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a device for measuring excavation and overbreak of a hydraulic engineering tunnel, which comprises a main body, wherein one end of the main body is provided with a lens cone, the surface of the lens cone is sleeved with a protective plate, the surface of the protective plate is fixedly provided with a first fixed block, one end of the first fixed block is fixedly provided with a first clamping plate, one end of the first fixed block is fixedly provided with a second clamping plate relative to the bottom of the first clamping plate, and the surface of the second clamping plate is provided with a through hole in a penetrating way; through the protection shield of design, can play certain guard action to the mirror cylinder, avoid its striking that receives the foreign object to appear damaging, extension fixture's life can install and dismantle simple operation, and it is nimble to use the protection shield through the second fixed block of design, first splint, second splint, sliding block, first spacing groove, extrusion piece, second spacing groove.

Description

Device for measuring excavation and super-back excavation of hydraulic engineering tunnel

Technical Field

The utility model belongs to the technical field of measuring devices, and particularly relates to a device for measuring super-back excavation of a hydraulic engineering tunnel.

Background

In hydraulic engineering, a tunneling machine is more and more widely applied to tunnel excavation, the requirement for controlling the over-under excavation precision is higher and higher, and in IV and V-type surrounding rocks, the circular-arc hydraulic tunnel excavation has the following problems that on one hand, due to under excavation, a reinforcing mesh and a steel arch frame of an initial lining are difficult to construct according to a design drawing standard, the engineering quality is influenced, and even if secondary trimming is carried out, time and labor consumption are consumed, the progress is influenced, and the cost is increased; on the other hand, the work load of each procedure is increased if the overexcavation is too large, and if the excavation time, the slag discharge time and the concrete spraying time are prolonged in different degrees, the cost is increased, and the construction progress and the construction cost are influenced.

The device that is used for hydraulic engineering tunnel excavation surpasses owe to dig measuring is when using, because its operational environment is more abominable, and lens cone on it is longer again, receives the collision of foreign object easily and appears damaging, influences the normal use of device, and the junction of electric wire and device takes place bending by a relatively large margin easily moreover, leads to the surperficial crackle that appears of electric wire, so need design a structure and solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for measuring the excavating overbreak and the underbreak of a tunnel in the hydraulic engineering, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a device for measuring the excavating depth of a tunnel in hydraulic engineering comprises a main body, wherein a lens barrel is arranged at one end of the main body, a protective plate is sleeved on the surface of the lens barrel, a first fixed block is fixed on the surface of the protective plate, a first clamping plate is fixed at one end of the first fixed block, a second clamping plate is fixed at one end of the first fixed block relative to the bottom of the first clamping plate, a through hole is formed in the surface of the second clamping plate in a penetrating manner, a second fixed block is fixed at one end of the main body relative to the top of the lens barrel, a second limiting groove is formed in the bottom of the second fixed block, the second fixed block is embedded between the first clamping plate and the second clamping plate, a first limiting groove is formed in the surface of one end of the first fixed block, a third limiting groove is formed in the inner wall of one side of the first limiting groove, and a sliding block with an L-shaped structure in the section is arranged in the first limiting groove, the one end embedding of sliding block to the inside of third spacing groove, the other end of sliding block runs through the outside to first fixed block, one side of sliding block is fixed with the dop, the dop runs through the inside of through-hole embedding to second spacing groove, one side inner wall of first spacing groove runs through and has seted up the extrusion hole, one side inner wall of extrusion hole runs through and sets up the intercommunication groove that is linked together with the third spacing groove, the inside embedding in extrusion hole has the extrusion piece, one side of extrusion piece is fixed with the connecting block, the one end embedding of connecting block is to the inside and the sliding block fixed connection of third spacing groove.

Preferably, the bottom surface of the extrusion block is provided with a spring groove, and a spring is connected between the inner wall of the spring groove and the inner wall of the first limiting groove.

Preferably, a through hole is formed in the surface of one end of the sliding block in a penetrating mode, a metal rod penetrates through the through hole, and the two ends of the metal rod are fixedly connected with the inner wall of the third limiting groove and the inner wall of the first limiting groove respectively.

Preferably, the surface of the first clamping plate is provided with a guide groove in a penetrating manner, a guide block penetrates through the guide groove, and the bottom end of the guide block is fixedly connected with the second fixing block.

Preferably, the other end of main part is provided with the link, one side of link is provided with the electric wire, the surface cover of electric wire is equipped with first arc and second arc, the fixed surface of first arc has the third fixed block, through bolt fixed connection between third fixed block and the link, the bilateral symmetry of first arc is fixed with two fourth fixed blocks, the draw-in groove has been seted up on the one end surface of fourth fixed block, the bilateral symmetry of second arc is fixed with two fifth fixed blocks, one side of fifth fixed block is fixed with the fixture block, the fixture block imbeds to the inside that corresponds the draw-in groove.

Preferably, two sliding grooves with T-shaped sections are symmetrically formed in the surfaces of the two sides of the first arc-shaped plate, a stop block with a T-shaped section is arranged on the inner side of each sliding groove, a second spring is connected between each stop block and the inner wall of one side of each sliding groove, and one end of each stop block penetrates through the outer portion of the first arc-shaped plate and abuts against the other side of the fifth fixing block.

Preferably, rubber sleeves are fixed at one ends of the first arc-shaped plate and the second arc-shaped plate, and the inner sides of the rubber sleeves are attached to the surfaces of the electric wires.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the protection shield of design, can play certain guard action to the mirror cylinder, avoid its striking that receives the foreign object to appear damaging, extension fixture's life can install and dismantle simple operation, and it is nimble to use the protection shield through the second fixed block of design, first splint, second splint, sliding block, first spacing groove, extrusion piece, second spacing groove.

2. Through the first arc, second arc, the rubber sleeve of design, when the electric wire receives pulling of external force, can reduce its and device junction's angle of buckling, avoid the surperficial crackle that appears of electric wire, through the third fixed block of design, fifth fixed block, dog, spout, draw-in groove, fixture block, can install first arc and second arc.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a perspective view of the protective panel of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 1 in accordance with the present invention;

FIG. 4 is a front cross-sectional view of area A of FIG. 1 in accordance with the present invention;

FIG. 5 is an enlarged view of area B of FIG. 1 in accordance with the present invention;

FIG. 6 is a front cross-sectional view of area B of FIG. 1 in accordance with the present invention;

in the figure: 1. a main body; 2. a lens barrel; 3. a protection plate; 4. a first fixed block; 5. a second fixed block; 6. a first arc-shaped plate; 7. a second arc-shaped plate; 8. a third fixed block; 9. a first splint; 10. a second splint; 11. a slider; 12. a first limit groove; 13. extruding the block; 14. a second limit groove; 15. a third limiting groove; 16. a guide groove; 17. a guide block; 18. a fourth fixed block; 19. a fifth fixed block; 20. a stopper; 21. a chute; 22. a card slot; 23. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1 to 6, the present invention provides a technical solution: a device for measuring the excavating rate of a hydraulic engineering tunnel comprises a main body 1, a lens barrel 2 is arranged at one end of the main body 1, a protective plate 3 is sleeved on the surface of the lens barrel 2, the protective plate 3 can play a certain protective role on the lens barrel 2 to prevent the lens barrel 2 from being damaged by impact of foreign objects, the service life of the device is prolonged, a first fixing block 4 is fixed on the surface of the protective plate 3, a first clamping plate 9 is fixed at one end of the first fixing block 4, a second clamping plate 10 is fixed at one end of the first fixing block 4 relative to the bottom of the first clamping plate 9, the first clamping plate 9 and the second clamping plate 10 can preliminarily limit the protective plate 3, a through hole is formed in the surface of the second clamping plate 10 in a penetrating manner, a second fixing block 5 is fixed at one end of the main body 1 relative to the top of the lens barrel 2, a second limiting groove 14 is formed in the bottom of the second fixing block 5, the second fixing block 5 is embedded between the first clamping plate 9 and the second clamping plate 10, the surface of one end of the first fixing block 4 is provided with a first limiting groove 12, the first limiting groove 12 is convenient for the sliding of the sliding block 11, the inner wall of one side of the first limiting groove 12 is provided with a third limiting groove 15, the third limiting groove 15 can accommodate the sliding block 11, the sliding block 11 with the cross section of an L-shaped structure is arranged inside the first limiting groove 12, the sliding block 11 can drive the chuck to move in the same direction, one end of the sliding block 11 is embedded into the third limiting groove 15, the other end of the sliding block 11 penetrates through the outer part of the first fixing block 4, one side of the sliding block 11 is fixed with the chuck, the chuck and the second limiting groove 14 can avoid the relative sliding of the second fixing block 5, the protection plate 3 is further limited, the chuck penetrates through a through hole to be embedded into the second limiting groove 14, the inner wall of one side of the first limiting groove 12 is penetrated and provided with an extrusion hole, the inner wall of one side of the extrusion hole is penetrated and provided with a communicating groove communicated with the third limiting groove 15, an extrusion block 13 is embedded in the extrusion hole, the extrusion block 13 can drive the sliding block 11 to slide in the same direction through the connecting block, one side of the extrusion block 13 is fixed with the connecting block, one end of the connecting block is embedded into the third limiting groove 15 and is fixedly connected with the sliding block 11, the bottom end surface of the extrusion block 13 is provided with a spring groove, a spring is connected between the inner wall of the spring groove and the inner wall of the first limiting groove 12, the extrusion block 13 can be reset through the spring, a through hole is formed in the surface of one end of the sliding block 11 in a penetrating way, a metal rod penetrates through the through hole and can limit the sliding direction of the sliding block 11, the stability in the sliding process is improved, two ends of the metal rod are respectively and fixedly connected with the inner wall of the third limiting groove 15 and the inner wall of the first limiting groove 12, a guide groove 16 is formed in the surface of the first clamping plate 9 in a penetrating way, a guide block 17 penetrates through the inside of the guide groove 16, the guide block 17 and the guide groove 16 can align the chuck and the second limiting groove 14, and the bottom end of the guide block 17 is fixedly connected with the second fixing block 5.

In this embodiment, preferably, the other end of the main body 1 is provided with a connecting end, one side of the connecting end is provided with an electric wire, the surface of the electric wire is sleeved with a first arc-shaped plate 6 and a second arc-shaped plate 7, the surface of the first arc-shaped plate 6 is fixed with a third fixed block 8, the third fixed block 8 is fixedly connected with the connecting end through a bolt, two sides of the first arc-shaped plate 6 are symmetrically fixed with two fourth fixed blocks 18, one end surface of each fourth fixed block 18 is provided with a clamping groove 22, two sides of the second arc-shaped plate 7 are symmetrically fixed with two fifth fixed blocks 19, one side of each fifth fixed block 19 is fixed with a fixture block 23, the fixture block 23 and the clamping groove 22 can connect the first arc-shaped plate 6 and the second arc-shaped plate 7, the fixture block 23 is embedded into the corresponding clamping groove 22, two side surfaces of the first arc-shaped plate 6 are symmetrically provided with two sliding grooves 21 with a "T" shaped "section, the sliding grooves 21 facilitate the sliding of the fixture blocks 20, a stop block 20 with a T-shaped cross section is arranged on the inner side of the sliding groove 21, the stop block 20 can extrude the fifth fixing block 19, the connection stability of the first arc-shaped plate 6 and the second arc-shaped plate 7 is improved, a second spring is connected between the stop block 20 and the inner wall of one side of the sliding groove 21, one end of the stop block 20 penetrates through the outer portion of the first arc-shaped plate 6 and abuts against the other side of the fifth fixing block 19, rubber sleeves are fixed on one ends of the first arc-shaped plate 6 and the second arc-shaped plate 7, and the inner sides of the rubber sleeves are attached to the surface of the electric wire; the structure can reduce the bending angle of the connection part of the electric wire and the device when the electric wire is pulled by external force, and avoids the surface of the electric wire from cracking.

The working principle and the using process of the utility model are as follows: when the utility model is used, firstly, the protection plate 3 is installed on the device, the extrusion block 13 is pressed to drive the sliding block 11 to slide in the same direction in the third limiting groove 15 and the first limiting groove 12 through the connecting block, the extrusion block 13 moves and simultaneously extrudes the first spring to lead the first spring to be stressed and contracted, the extrusion block 13 is continuously pressed until the bottom end of the extrusion block 13 is abutted against the inner wall of the first limiting groove 12, then the second fixing block 5 is embedded between the first clamping plate 9 and the second clamping plate 10, in the embedding process, the guide block 17 at the top of the second fixing block 5 is embedded into the guide groove 16 along with the bottom end of the extrusion block 13, at the moment, the protection plate 3 is also sleeved on the surface of the lens cone 2, the pressed extrusion block 13 is loosened, after the first spring loses extrusion, the extrusion block 13 is reversely pushed, the extrusion block 13 drives the sliding block 11 to slide reversely through the connecting block, the sliding block 11 drives the chuck to penetrate through the through hole to be embedded into the second limiting groove 14, the protective plate 3 is installed, the structure can play a certain role in protecting the lens barrel 2, the lens barrel is prevented from being damaged by the impact of foreign objects, and the service life of the device is prolonged; connect next to install first arc 6 and second arc 7 on the device, through the bolt with third fixed block 8 and link fixed connection, stir dog 20, make it extrude the second spring, make its atress shrink, then embed the fixture block 23 of fifth fixed block 19 one side to the inside that corresponds draw-in groove 22, loosen stirred dog 20, the second spring loses the extrusion back, reverse promotion dog 20, make dog 20 offset with fifth fixed block 19, just installed first arc 6 and second arc 7, this structure receives pulling of external force at the electric wire when, can reduce the angle of buckling of its and device junction, avoid the surperficial crackle of electric wire to appear.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a device for hydraulic engineering tunnel excavation is surpassed owe and is dug measuring, includes main part (1), its characterized in that: a lens barrel (2) is arranged at one end of the main body (1), a protection plate (3) is sleeved on the surface of the lens barrel (2), a first fixing block (4) is fixed on the surface of the protection plate (3), a first clamping plate (9) is fixed at one end of the first fixing block (4), a second clamping plate (10) is fixed at one end of the first fixing block (4) relative to the bottom of the first clamping plate (9), a through hole is formed in the surface of the second clamping plate (10) in a penetrating manner, a second fixing block (5) is fixed at one end of the main body (1) relative to the top of the lens barrel (2), a second limiting groove (14) is formed in the bottom of the second fixing block (5), the second fixing block (5) is embedded between the first clamping plate (9) and the second clamping plate (10), a first limiting groove (12) is formed in the surface of one end of the first fixing block (4), a third limiting groove (15) is arranged on the inner wall of one side of the first limiting groove (12), a sliding block (11) with an L-shaped section is arranged in the first limit groove (12), one end of the sliding block (11) is embedded into the third limiting groove (15), the other end of the sliding block (11) penetrates through the outer part of the first fixing block (4), a clamping head is fixed on one side of the sliding block (11), the clamping head penetrates through the through hole and is embedded into the second limiting groove (14), an extrusion hole is arranged on the inner wall of one side of the first limit groove (12) in a penetrating way, a communication groove communicated with the third limit groove (15) is arranged on the inner wall of one side of the extrusion hole in a penetrating way, an extrusion block (13) is embedded in the extrusion hole, a connecting block is fixed on one side of the extrusion block (13), one end of the connecting block is embedded into the inside of the third limiting groove (15) and is fixedly connected with the sliding block (11).

2. The device for hydraulic engineering tunnel excavation undercut measurement of claim 1, characterized in that: the bottom end surface of the extrusion block (13) is provided with a spring groove, and a spring is connected between the inner wall of the spring groove and the inner wall of the first limiting groove (12).

3. The device for hydraulic engineering tunnel excavation undercut measurement of claim 1, characterized in that: a through hole is formed in the surface of one end of the sliding block (11) in a penetrating mode, a metal rod penetrates through the through hole, and the two ends of the metal rod are fixedly connected with the inner wall of the third limiting groove (15) and the inner wall of the first limiting groove (12) respectively.

4. The device for hydraulic engineering tunnel excavation undercut measurement of claim 1, characterized in that: a guide groove (16) is formed in the surface of the first clamping plate (9) in a penetrating mode, a guide block (17) penetrates through the guide groove (16), and the bottom end of the guide block (17) is fixedly connected with the second fixing block (5).

5. The device for hydraulic engineering tunnel excavation undercut measurement of claim 1, characterized in that: the other end of main part (1) is provided with the link, one side of link is provided with the electric wire, the surface cover of electric wire is equipped with first arc (6) and second arc (7), the fixed surface of first arc (6) has third fixed block (8), pass through bolt fixed connection between third fixed block (8) and the link, the bilateral symmetry of first arc (6) is fixed with two fourth fixed blocks (18), draw-in groove (22) have been seted up on the one end surface of fourth fixed block (18), the bilateral symmetry of second arc (7) is fixed with two fifth fixed blocks (19), one side of fifth fixed block (19) is fixed with fixture block (23), fixture block (23) are embedded into to the inside that corresponds draw-in groove (22).

6. The device for hydraulic engineering tunnel excavation undercut measurement of claim 5, characterized in that: the novel fixing block is characterized in that two sliding grooves (21) with T-shaped sections are symmetrically formed in the surfaces of two sides of the first arc-shaped plate (6), a stop block (20) with a T-shaped section is arranged on the inner side of each sliding groove (21), a second spring is connected between each stop block (20) and the inner wall of one side of each sliding groove (21), and one end of each stop block (20) penetrates through the outer portion of the first arc-shaped plate (6) and abuts against the other side of the fifth fixing block (19).

7. The device for hydraulic engineering tunnel excavation undercut measurement of claim 5, characterized in that: and rubber sleeves are fixed at one ends of the first arc-shaped plate (6) and the second arc-shaped plate (7), and the inner sides of the rubber sleeves are attached to the surfaces of the electric wires.