CN218766316U

CN218766316U - Connecting rod structure for tunnel segment pulling resistance test

Info

Publication number: CN218766316U
Application number: CN202223212443.6U
Authority: CN
Inventors: 楼建勋
Original assignee: Hangzhou Hongxun Machinery Manufacturing Co ltd
Current assignee: Hangzhou Hongxun Machinery Manufacturing Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-28
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a tunnel section of jurisdiction resistance to plucking is connecting rod structure for experiment, including the connecting rod main part, the top of connecting rod main part is provided with fastening components, and fastening components includes first screw thread, internal thread, installation cap, fixed plate, sleeve, spout, spring and slide bar. This tunnel section of jurisdiction resistance to plucking is connecting rod structure for experiment is provided with the connecting rod main part, fastening components, first screw thread, the internal thread, the mounting cap, the fixed plate, the sleeve, the spout, spring and slide bar, through installing hollow jack back in the connecting rod main part, the accessible is installed the fixed plate, and rely on the internal thread on the mounting cap to fasten and fasten on first screw thread, after the installation, can make hollow jack promote the slide bar, can make the slide bar can extrude the spring of inside when the shrink, can strengthen the screw thread in the mounting cap and protect, make the atress spring class can absorb thrust, the whole quality of connecting rod structure has been improved, open the protecting effect.

Description

Connecting rod structure for tunnel segment pulling resistance test

Technical Field

The utility model relates to a shield constructs section of jurisdiction technical field, specifically is tunnel section of jurisdiction resistance to plucking is experimental with connecting rod structure.

Background

The shield segment is a main assembly component for shield construction, is the innermost barrier of the tunnel and plays a role in resisting soil layer pressure, underground water pressure and some special loads, the shield segment is a permanent lining structure of the tunnel by a shield method, and the quality of the shield segment is directly related to the overall quality and safety of the tunnel, so that the waterproof performance and the durability of the tunnel are influenced.

Prior art publication number CN203629946U patent document provides tunnel segment resistance to plucking experimental connecting rod, the device simple structure, easy and simple to handle, installation labour saving and time saving can be fast, the resistance to plucking performance test of section of jurisdiction is accomplished conveniently, the device structural design, the bearing capacity is stronger, and the double thread protection, makes the utility model discloses safe in utilization is favorable to the testing to go on smoothly, but generally does not have resistance to plucking safeguard function in the prior art CN203629946U patent, and then long-time resistance to plucking causes the screw thread to damage easily, and the daily use needs of satisfying people that can not be fine bring inconvenience for people, consequently, we need tunnel segment resistance to plucking experimental connecting rod structure of using.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tunnel section of jurisdiction resistance to plucking is connecting rod structure for experiment to solve the current problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: tunnel section of jurisdiction resistance to plucking is connecting rod structure for experiment, including the connecting rod main part, the top of connecting rod main part is provided with fastening components, and fastening components includes first screw thread, internal thread, installation cap, fixed plate, sleeve, spout, spring and slide bar, the bottom of connecting rod main part is provided with fixed subassembly, and fixed subassembly includes first backing plate, positioning bolt, second backing plate and constant head tank, the second screw thread has been seted up to the outside of connecting rod main part.

Preferably, first screw thread has been seted up to the outer wall of connecting rod main part, and the outer wall threaded connection of connecting rod main part has the mounting cap, the inner wall of mounting cap has seted up the internal thread, the mounting cap passes through the internal thread and constitutes the helicitic texture with the connecting rod main part, and the internal thread shape size matches each other with the shape size of the first screw thread in the connecting rod main part, and the mounting cap fastens at the top of connecting rod main part moreover.

Preferably, the outer wall block of connecting rod main part is connected with the fixed plate, and one side fixedly connected with sleeve of fixed plate, the fixed plate passes through the sleeve and constitutes fixed knot and constructs, and telescopic quantity is two, and two sleeves use the perpendicular bisector of fixed plate to set up as symmetry axis symmetry moreover.

Preferably, the spout has been seted up to telescopic inside, and the inside fixedly connected with spring of spout, the sleeve passes through the spout and constitutes fixed knot with the spring and construct, and the shape size of spout and the shape size of spring match each other, and the one end of spring stretches into the inside of entering the spout moreover and installs the fastening.

Preferably, one end of the spring is fixedly connected with a sliding rod, the sleeve and the sliding rod form an elastic structure through the spring, and the spring is arranged between the sleeve and the sliding rod.

Preferably, the bottom of connecting rod main part is fixedly connected with first backing plate, and the inside positioning bolt that is provided with of first backing plate, positioning bolt's quantity is two, and two positioning bolt's plumb line sets up for symmetry axis symmetry.

Preferably, the bottom bolted connection of first backing plate has the second backing plate, and the constant head tank has been seted up at the top of second backing plate, first backing plate passes through positioning bolt and constitutes fixed knot with the second backing plate and construct, and positioning bolt's one end runs through the constant head tank and fastens.

Compared with the prior art, the beneficial effects of the utility model are that: the connecting rod structure for the anti-pulling test of the tunnel segment,

(1) The hollow jack is arranged on the connecting rod main body, the fastening assembly is arranged on the connecting rod main body, the first thread is arranged on the first thread, the mounting cap is arranged on the mounting cap, the fixing plate can be mounted on the first thread by fastening the first thread through the internal thread on the mounting cap, and the hollow jack can push the sliding rod well after mounting the hollow jack and can extrude the internal spring when the sliding rod contracts, so that the protection of the thread in the mounting cap can be enhanced, the thrust can be absorbed by the stress spring, the overall quality of the connecting rod structure is improved, and the protection effect is achieved;

(2) Be provided with first backing plate, positioning bolt, the second backing plate, constant head tank and second screw thread, through dismantling positioning bolt, can make positioning bolt take out in can following the constant head tank, can make first backing plate and second backing plate can be fine break away from, can make first backing plate and second backing plate can be fine separate, be convenient for the dismantlement of first backing plate and second backing plate, can be convenient for people make the connecting rod rely on the second screw thread to fasten and fasten on the section of jurisdiction and dismantle, satisfy people's daily installation needs.

Drawings

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

FIG. 2 is a schematic structural view of the mounting cap and the fixing plate of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of the first pad plate and the second pad plate of the present invention.

In the figure: 1. a connecting rod main body; 2. a fastening assembly; 201. a first thread; 202. an internal thread; 203. installing a cap; 204. a fixing plate; 205. a sleeve; 206. a chute; 207. a spring; 208. a slide bar; 3. a fixing assembly; 301. a first backing plate; 302. positioning the bolt; 303. a second backing plate; 304. positioning a groove; 4. a second thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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: the connecting rod structure for the tunnel segment pulling resistance test comprises a connecting rod main body 1, wherein a fastening component 2 is arranged at the top of the connecting rod main body 1, the fastening component 2 comprises a first thread 201, an internal thread 202, a mounting cap 203, a fixing plate 204, a sleeve 205, a sliding chute 206, a spring 207 and a sliding rod 208, the first thread 201 is arranged on the outer wall of the connecting rod main body 1, the mounting cap 203 is connected with the outer wall of the connecting rod main body 1 in a threaded manner, the internal thread 202 is arranged on the inner wall of the mounting cap 203, the mounting cap 203 and the connecting rod main body 1 form a threaded structure through the internal thread 202, the shape and the size of the internal thread 202 are matched with those of the first thread 201 on the connecting rod main body 1, the mounting cap 203 is fastened at the top of the connecting rod main body 1, the connecting effect of the mounting cap 203 and the connecting rod main body 1 is enhanced, and the mounting cap 203 can be mounted and fastened on the outer wall of the connecting rod main body 1 by means of the internal thread 202 for mounting and fixing, the outer wall of the connecting rod body 1 is connected with a fixing plate 204 in a clamping manner, one side of the fixing plate 204 is fixedly connected with a sleeve 205, the fixing plate 204 forms a fixing structure through the sleeve 205, the number of the sleeves 205 is two, the two sleeves 205 are symmetrically arranged by taking a perpendicular bisector of the fixing plate 204 as a symmetry axis, the connecting effect of the fixing plate 204 and the sleeves 205 is enhanced, the two sleeves 205 can be well installed and fixed on the fixing plate 204 for fastening, a sliding groove 206 is formed in the sleeve 205, a spring 207 is fixedly connected in the sliding groove 206, the sleeve 205 forms a fixing structure through the sliding groove 206 and the spring 207, the shape and the size of the sliding groove 206 are matched with those of the spring 207, one end of the spring 207 extends into the sliding groove 206 for installation and fastening, the connecting effect of the sleeve 205 and the spring 207 is enhanced, and the spring 207 can be well installed in the sliding groove 206 in the sleeve 205 for fastening, one end fixedly connected with slide bar 208 of spring 207, sleeve 205 passes through spring 207 and slide bar 208 constitutes elastic construction, and spring 207 sets up between sleeve 205 and slide bar 208, the connection effect of spring 207 and sleeve 205 has been strengthened, can make spring 207 support slide bar 208 under the support that can rely on sleeve 205, the accessible is installed fixed plate 204, and rely on internal thread 202 on the installation cap 203 to fasten on first screw 201 and fasten, after the installation, can make hollow jack can be fine promote slide bar 208, can make slide bar 208 can extrude inside spring 207 when contracting, and then can strengthen protecting the screw thread in the installation cap 203, make atress spring 207 can absorb thrust, the whole quality of connecting rod structure has been improved, the protective effect is started.

Please refer to fig. 1 and 4, the bottom of the connecting rod main body 1 is provided with the fixing component 3, and the fixing component 3 includes a first pad 301, a positioning bolt 302, a second pad 303 and a positioning groove 304, the outside of the connecting rod main body 1 is provided with a second thread 4, the bottom of the connecting rod main body 1 is fixedly connected with the first pad 301, and the inside of the first pad 301 is provided with the positioning bolt 302, the number of the positioning bolt 302 is two, and the perpendicular lines of the two positioning bolts 302 are symmetrically arranged, which facilitates the arrangement of the two positioning bolts 302, when the arrangement of the two positioning bolts 302 can be fine on the first pad 301, the bottom of the first pad 301 is bolted with the second pad 303, and the top of the second pad 303 is provided with the positioning groove 304, the first pad 301 and the second pad 301 constitute a fixing structure through the positioning bolt 302 and the second pad 303, and one end of the positioning bolt 302 penetrates through the positioning groove 304 to fasten, which facilitates the positioning bolt 302 to mount and fix the first pad 301 and the second pad 303 together, which facilitates the mounting and fastening of the second pad 301 and the second pad, so that people can mount and fasten the second pad 301 and the second pad by the second pad, and the connecting rod 301, which facilitate the mounting and the connection of the connecting rod 301 can be detached well.

The working principle is as follows: when the connecting rod structure for the tunnel segment pulling resistance test is used, firstly, when the segment needs to be tested, the positioning bolt 302 can be detached firstly, the first base plate 301 and the second base plate 303 can be detached and separated, the second thread 4 at the bottom of the connecting rod main body 1 can be extended into the segment, the connecting rod main body 1 can well drive the second thread 4 to rotate, so that people can fasten the connecting rod main body 1, after the connecting rod main body is installed, the first base plate 301 and the second base plate 303 can be attached together, the positioning bolt 302 can be extended into the positioning groove 304 for fastening, the first base plate 301 and the second base plate 303 can be fastened together, the connecting rod main body 1 can be installed conveniently, after the connecting rod main body is installed, a hollow jack can be well sleeved on the connecting rod main body 1, the hollow jack can be installed, after installation, the fixing plate 204 can be installed on the connecting rod main body 1, the top of the hollow jack on the connecting rod main body 1 can be connected by the sliding rod 208 on the fixing plate 204, after installation, the installation cap 203 can be fastened on the first thread 201 on the connecting rod main body 1 by the internal thread 202, after installation, the hollow jack can be started by starting the hollow jack, the sliding rod 208 can be pushed to move, the sliding rod 208 can push the spring 207 to contract, the sliding rod 208 can well slide in the sliding groove 206 in the sleeve 205, and then the pulling resistance test on the duct piece can be conveniently carried out, so that all work is completed, and the content which is not described in detail in the specification belongs to the prior art known by professional technicians in the field.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Tunnel section of jurisdiction resistance to plucking is connecting rod structure for experiment, including connecting rod main part (1), its characterized in that: the top of connecting rod main part (1) is provided with fastening components (2), and fastening components (2) include first screw thread (201), internal thread (202), installation cap (203), fixed plate (204), sleeve (205), spout (206), spring (207) and slide bar (208), the bottom of connecting rod main part (1) is provided with fixed subassembly (3), and fixed subassembly (3) include first backing plate (301), positioning bolt (302), second backing plate (303) and constant head tank (304), second screw thread (4) have been seted up to the outside of connecting rod main part (1).

2. The connecting rod structure for the pulling resistance test of the tunnel segment as claimed in claim 1, wherein: first screw thread (201) have been seted up to the outer wall of connecting rod main part (1), and the outer wall threaded connection of connecting rod main part (1) has installation cap (203), internal thread (202) have been seted up to the inner wall of installation cap (203), installation cap (203) constitute helicitic texture through internal thread (202) and connecting rod main part (1), and the shape size of internal thread (202) and the shape size of first screw thread (201) on connecting rod main part (1) match each other, and installation cap (203) fastening is at the top of connecting rod main part (1) moreover.

3. The connecting rod structure for the pulling resistance test of the tunnel segment as claimed in claim 1, wherein: the outer wall block of connecting rod main part (1) is connected with fixed plate (204), and one side fixedly connected with sleeve (205) of fixed plate (204), fixed plate (204) pass through sleeve (205) and constitute fixed knot and construct, and the quantity of sleeve (205) is two, and two sleeve (205) use the perpendicular bisector of fixed plate (204) to set up as symmetry axis symmetry moreover.

4. The connecting rod structure for the pulling resistance test of the tunnel segment as claimed in claim 1, wherein: the inside of sleeve (205) has been seted up spout (206), and the inside fixedly connected with spring (207) of spout (206), sleeve (205) constitute fixed knot through spout (206) and spring (207) and construct fixed knot and construct, and the shape and size of spout (206) and the shape and size of spring (207) match each other, and the inside that the one end of spring (207) stretched into spout (206) in addition installs the fastening.

5. The connecting rod structure for the pulling resistance test of the tunnel segment as claimed in claim 1, wherein: one end of the spring (207) is fixedly connected with a sliding rod (208), the sleeve (205) and the sliding rod (208) form an elastic structure through the spring (207), and the spring (207) is arranged between the sleeve (205) and the sliding rod (208).

6. The connecting rod structure for the pulling resistance test of the tunnel segment as claimed in claim 1, wherein: the bottom fixedly connected with first backing plate (301) of connecting rod main part (1), and first backing plate (301) inside is provided with positioning bolt (302), the quantity of positioning bolt (302) is two, and the perpendicular line of two positioning bolt (302) sets up for symmetry axis symmetry.

7. The connecting rod structure for the pulling resistance test of the tunnel segment as claimed in claim 1, wherein: the bottom bolted connection of first backing plate (301) has second backing plate (303), and constant head tank (304) have been seted up at the top of second backing plate (303), first backing plate (301) constitute fixed knot through positioning bolt (302) and second backing plate (303), and the one end of positioning bolt (302) runs through constant head tank (304) and fastens.