CN215860231U

CN215860231U - Tunnel steel arch stress adjusting device

Info

Publication number: CN215860231U
Application number: CN202122398204.3U
Authority: CN
Inventors: 曹剑锋; 代云飞; 胡莉强; 梁照; 卓其振; 农开彪; 周游
Original assignee: Guangxi Xinfazhan Communications Group Co Ltd
Current assignee: Guangxi Xinfazhan Communications Group Co Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-18
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a tunnel steel arch stress adjusting device, which relates to the technical field of tunnel steel arches and comprises a base, wherein a steel arch bridge is arranged at the top of the base, a lifting assembly is arranged at the top of the base and positioned in the steel arch bridge, a stress adjusting assembly is arranged above the lifting assembly, the stress adjusting assembly comprises a supporting plate and a transverse plate, and the utility model has the advantages of increasing efficiency: be provided with stress control assembly, it is fixed until accomplishing the cooperation with the draw-in groove, rapid adjustment stress has been realized, be provided with the fixture block, pressure sensor and draw-in groove, the protection to equipment has been realized, the life of equipment has been prolonged, be provided with the crank, the dwang, second bevel gear and two-way lead screw, it all moves to both sides to have driven the slide bar, it all moves to both sides to have driven two anchorage bars, normal motion through the internal friction of installation gyro wheel and steel arch bridge, until removing to best fixed point, when accomplishing the regulation of primary stress, holistic steadiness has also been improved.

Description

Tunnel steel arch stress adjusting device

Technical Field

The utility model relates to the technical field of tunnel steel arches, in particular to a stress adjusting device for a tunnel steel arch.

Background

Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel. Need use the steel bow member to carry out auxiliary stay in carrying out tunnel construction, prior art is comparatively fast, and it is required in time to carry out corresponding stress adjustment to the steel bow member when using according to the construction now can't for in-service use gets up the effect not good, and the supporting effect itself is not good moreover, and in-service use gets up and still can have the potential safety hazard, consequently needs design a tunnel steel bow member stress adjusting device to solve the above-mentioned problem that appears.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tunnel steel arch stress adjusting device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a stress adjusting device for a tunnel steel arch frame comprises a base, wherein a steel arch bridge is installed at the top of the base, a lifting assembly is installed at the top of the base and positioned in the steel arch bridge, a stress adjusting assembly is installed above the lifting assembly and comprises a supporting plate and a transverse plate, the supporting plate is installed above the lifting assembly, a bidirectional cylinder is fixedly connected in the supporting plate, the output ends of the bidirectional cylinder penetrate through the two ends of the supporting plate and are fixedly connected with supporting rods, a clamping block is installed on one side, away from the supporting rods, of each supporting plate, the transverse plate is fixedly connected at the top of the corresponding supporting plate, two sliding rods are slidably connected in the transverse plate, fastening rods are fixedly connected at the tops of the sliding rods, rollers matched with the steel arch bridge are installed at the tops of the fastening rods, and fixing columns are installed in the transverse plate and positioned below the sliding rods, the inside of steel arch bridge is seted up the symmetric distribution and is cooperated the draw-in groove that the fixture block used.

Preferably, the inside of the fixed column is rotatably connected with a bidirectional screw rod, the outer side of the bidirectional screw rod is in threaded connection with two sliding blocks, the tops of the sliding blocks are fixedly connected with a sliding rod, one side, located inside the fixed column and located on the bidirectional screw rod, is rotatably connected with a second bevel gear, a rotating rod extending to the outer side of the transverse plate is fixedly connected to the axis of the second bevel gear, a crank is installed at one end of the rotating rod, a first bevel gear is installed at one end of the bidirectional screw rod, and the first bevel gear is meshed with the second bevel gear.

Preferably, the transverse plate is internally provided with a sliding groove matched with the sliding rod.

Preferably, the inside of spout and be located the equal fixedly connected with connecting block in one side that two slide bars kept away from mutually, two tension spring is all installed to one side that the connecting block was kept away from mutually, two tension spring all installs the stopper in one side that keeps away from mutually, the stopper all is connected with the inside of spout.

Preferably, pressure sensors are installed inside the supporting rods, and the clamping blocks are of arc-shaped structures.

Preferably, the bottom of steel arch bridge and the top that is located the base all install the lag.

Preferably, the internally mounted of steel arch bridge has control panel, lifting unit, two-way cylinder and pressure sensor all with control panel electric connection.

Compared with the prior art, the utility model has the beneficial effects that: the stress adjusting device is provided with a stress adjusting component, the lifting component and a supporting plate are normally installed when stress adjustment is carried out, the supporting plate is enabled to ascend gradually through the operation of the lifting component until the optimal adjusting height is reached, two supporting rods are driven to move towards two sides through the operation of a bidirectional cylinder until the two supporting rods are matched and fixed with a clamping groove, the stress is adjusted rapidly, a clamping block, a pressure sensor and the clamping groove are arranged, the clamping block is clamped into the clamping groove to be installed in a limiting mode, the force generated when the bidirectional cylinder operates is monitored in time through the installation of the pressure sensor, the protection of equipment is realized, the service life of the equipment is prolonged, a crank, a rotating rod, a second bevel gear and a bidirectional screw rod are arranged, after the installation of the clamping block is completed, the crank is manually rotated, the rotating rod is driven to rotate, the second bevel gear is driven to rotate, and the first bevel gear is driven to rotate, the two-way screw rod is driven to rotate, the two sliding blocks are driven to move towards two sides, the sliding rods are driven to move towards two sides, the two fastening rods are driven to move towards two sides, normal movement is achieved through the installation of the rollers and the internal friction of the steel arch bridge, the adjustment of the primary stress is achieved, and meanwhile the overall stability is improved.

Drawings

FIG. 1 is a cross-sectional view of the overall construction of the present invention;

FIG. 2 is a side internal view of the present invention;

FIG. 3 is an enlarged view of the stress adjustment assembly of the present invention;

fig. 4 is a schematic view of the internal structure of the fixing post according to the present invention.

In the figure: 1. a base; 2. a steel arch bridge; 3. a stress adjustment assembly; 4. a card slot; 5. a protective sleeve; 6. a lifting assembly; 7. a control panel; 8. a support plate; 9. a bidirectional cylinder; 10. a support bar; 11. a clamping block; 12. a pressure sensor; 13. a transverse plate; 14. fixing a column; 15. a chute; 16. a slide bar; 17. a fastening rod; 18. a roller; 19. a tension spring; 20. a limiting block; 21. connecting blocks; 22. a bidirectional screw rod; 23. a slider; 24. a first bevel gear; 25. a second bevel gear; 26. rotating the rod; 27. a crank handle.

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.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a stress adjusting device for a tunnel steel arch center comprises a base 1, a steel arch bridge 2 is installed at the top of the base 1, a lifting assembly 6 is installed at the top of the base 1 and located inside the steel arch bridge 2 and is matched to lift, a stress adjusting assembly 3 is installed above the lifting assembly 6, the stress adjusting assembly 3 comprises a supporting plate 8 and a transverse plate 13, the supporting plate 8 is installed above the lifting assembly 6, a supporting effect is achieved, a bidirectional cylinder 9 is fixedly connected inside the supporting plate 8, the output end of the bidirectional cylinder 9 penetrates through two ends of the supporting plate 8 and is fixedly connected with a supporting rod 10, a clamping block 11 is installed on one side, away from the supporting rod 10, normal fixing and limiting are performed in a matched mode, so that stress is adjusted, the transverse plate 13 is fixedly connected to the top of the supporting plate 8, two sliding rods 16 are slidably connected inside the transverse plate 13, sliding is achieved, fastening rods 17 are fixedly connected to the tops of the sliding rods 16, the gyro wheel 18 that cooperation steel arched bridge 2 used is all installed at the top of anchorage bar 17, and the cooperation is normally fastened the adjustment, and fixed column 14 is installed to the inside of diaphragm 13 and the below that is located slide bar 16, and draw-in groove 4 that symmetric distribution and cooperation fixture block 11 used is seted up to the inside of steel arched bridge 2, and the cooperation is normally installed.

Further, a bidirectional screw rod 22 is rotatably connected inside the fixed column 14, two sliding blocks 23 are respectively in threaded connection with the outer side of the bidirectional screw rod 22, the tops of the sliding blocks 23 are respectively fixedly connected with the sliding rods 16, a second bevel gear 25 is rotatably connected inside the fixed column 14 and on one side of the bidirectional screw rod 22, a rotating rod 26 extending to the outer side of the transverse plate 13 is fixedly connected with the axis of the second bevel gear 25, a crank 27 is installed at one end of the rotating rod 26, a first bevel gear 24 is installed at one end of the bidirectional screw rod 22, the first bevel gear 24 is in meshed connection with the second bevel gear 25, the crank 27 is rotated manually to drive the rotating rod 26 to rotate, the second bevel gear 25 is driven to rotate, the first bevel gear 24 is driven to rotate, the bidirectional screw rod 22 is driven to rotate, the two sliding blocks 23 are driven to move towards both sides, the sliding rods 16 are driven to move towards both sides, and the two fastening rods 17 are driven to move towards both sides, the installation roller 18 and the steel arch bridge 2 are normally moved by friction until the installation roller moves to the optimal fixed point, so that the adjustment of the primary stress is completed, and the overall stability is improved.

Furthermore, a sliding groove 15 matched with the sliding rod 16 is formed in the transverse plate 13, so that normal sliding in a matched mode is realized.

Further, the inside of spout 15 just is located the equal fixedly connected with connecting block 21 in one side that two slide bars 16 kept away from mutually, and tension spring 19 is all installed to one side that two connecting blocks 21 kept away from mutually, and stopper 20 is all installed to one side that two tension spring 19 kept away from mutually, and stopper 20 all is connected with the inside of spout 15, assists through tension spring 19 and resets. The protection effect is realized.

Further, pressure sensor 12 is all installed to the inside of bracing piece 10, and the structure of fixture block 11 is the arc structure, monitors in time the power when two-way cylinder 9 operates through installing pressure sensor 12, has realized the protection to equipment, has prolonged the life of equipment.

Furthermore, lag 5 is all installed to the bottom of steel arch bridge 2 and the top that is located base 1, has realized the protection installation.

Further, the inside of the steel arch bridge 2 is provided with a control panel 7, and the lifting assembly 6, the bidirectional cylinder 9 and the pressure sensor 12 are electrically connected with the control panel 7, so that the whole normal operation is realized.

Specifically, the pressure sensor 12 is of the FBM320 type, and when the utility model is used: when the stress adjusting device is used, the control panel 7 is opened, the lifting assembly 6 and the support plate 8 are normally installed when stress adjustment is carried out, the support plate 8 is gradually lifted through the operation of the lifting assembly 6 until the optimal adjusting height is reached, the two support rods 10 are driven to move towards two sides through the operation of the two-way cylinder 9 until the two support rods are matched and fixed with the clamping groove 4, the stress is quickly adjusted, the two support rods are clamped into the clamping groove 4 through the clamping block 11 for limiting installation, the force generated when the two-way cylinder 9 operates is timely monitored through the installation of the pressure sensor 12, the protection of equipment is realized, the service life of the equipment is prolonged, after the installation of the clamping block 11 is completed, the crank 27 is manually rotated, the rotating rod 26 is driven to rotate, the second bevel gear 25 is driven to rotate, the first bevel gear 24 is driven to rotate, and the two-way screw rod 22 is driven to rotate, the two sliding blocks 23 are driven to move towards two sides, the sliding rods 16 are driven to move towards two sides, the two fastening rods 17 are driven to move towards two sides, and the installation rollers 18 and the steel arch bridge 2 normally move through internal friction until the steel arch bridge moves to the optimal fixed point, so that the overall stability is improved while the adjustment of the primary stress is completed.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 tunnel steel bow member stress adjustment device, includes base (1), its characterized in that: the steel arch bridge (2) is installed at the top of the base (1), the lifting assembly (6) is installed at the top of the base (1) and located inside the steel arch bridge (2), the stress adjusting assembly (3) is installed above the lifting assembly (6), the stress adjusting assembly (3) comprises a supporting plate (8) and a transverse plate (13), the supporting plate (8) is installed above the lifting assembly (6), a bidirectional cylinder (9) is fixedly connected inside the supporting plate (8), the output end of the bidirectional cylinder (9) penetrates through the two ends of the supporting plate (8) and is fixedly connected with a supporting rod (10), a clamping block (11) is installed on one side, away from the supporting rod (10), the transverse plate (13) is fixedly connected to the top of the supporting plate (8), and two sliding rods (16) are slidably connected inside the transverse plate (13), the equal fixedly connected with anchorage bar (17) in top of slide bar (16), gyro wheel (18) that cooperation steel arched bridge (2) used are all installed at the top of anchorage bar (17), fixed column (14) are installed to the inside of diaphragm (13) and the below that is located slide bar (16), draw-in groove (4) that symmetric distribution and cooperation fixture block (11) used have been seted up to the inside of steel arched bridge (2).

2. The device for adjusting the stress of the steel arch of the tunnel according to claim 1, wherein: the novel bidirectional screw rod mechanism is characterized in that a bidirectional screw rod (22) is rotatably connected to the inside of the fixed column (14), two sliding blocks (23) are in threaded connection with the outer side of the bidirectional screw rod (22), the tops of the sliding blocks (23) are fixedly connected with the sliding rod (16), one side, located inside the fixed column (14), of the bidirectional screw rod (22) is rotatably connected with a second bevel gear (25), a rotating rod (26) extending to the outer side of the transverse plate (13) is fixedly connected to the axis of the second bevel gear (25), a crank (27) is installed at one end of the rotating rod (26), a first bevel gear (24) is installed at one end of the bidirectional screw rod (22), and the first bevel gear (24) is in meshed connection with the second bevel gear (25).

3. The device for adjusting the stress of the steel arch of the tunnel according to claim 1, wherein: and a sliding groove (15) matched with the sliding rod (16) for use is formed in the transverse plate (13).

4. A tunnel steel arch stress adjustment apparatus according to claim 3, wherein: the inside of spout (15) just is located the equal fixedly connected with connecting block (21) in one side that two slide bars (16) kept away from mutually, two tension spring (19) are all installed to one side that connecting block (21) kept away from mutually, two stop block (20) are all installed to one side that tension spring (19) kept away from mutually, stop block (20) all are connected with the inside of spout (15).

5. The device for adjusting the stress of the steel arch of the tunnel according to claim 1, wherein: pressure sensors (12) are installed inside the supporting rod (10), and the clamping blocks (11) are arc-shaped.

6. The device for adjusting the stress of the steel arch of the tunnel according to claim 1, wherein: the bottom of steel arch bridge (2) and the top that is located base (1) all install lag (5).

7. The device for adjusting the stress of the steel arch of the tunnel according to claim 5, wherein: the steel arch bridge is characterized in that a control panel (7) is arranged inside the steel arch bridge (2), and the lifting assembly (6), the bidirectional cylinder (9) and the pressure sensor (12) are all electrically connected with the control panel (7).