CN210863345U

CN210863345U - Section of jurisdiction bending resistance testing platform

Info

Publication number: CN210863345U
Application number: CN201921829815.5U
Authority: CN
Inventors: 张昂昂; 翟旭磊; 蔡雪
Original assignee: Zhengzhou Huitong Cement Pre Products Co ltd
Current assignee: Zhengzhou Huitong Cement Pre Products Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-06-26
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a section of jurisdiction bending resistance testing platform relates to building engineering and detects technical field, including supplying the horizontal platform seat of placing the section of jurisdiction, be provided with the adjustable support piece who is used for supporting the section of jurisdiction on the horizontal platform seat, the both sides of horizontal platform seat are provided with vertical support, and the top of vertical support is connected with the load beam of horizontal cross horizontal platform seat, and the load beam bottom surface is connected with application of force mechanism, and application of force mechanism below is provided with load distribution roof beam, and the both ends of load distribution roof beam are connected with the loading support frame, and it is global to support in the outer arch of section of jurisdiction with the loading support frame. Through setting up adjustable support piece on horizontal platform seat, conveniently adjust the section of jurisdiction of supporting different diameters, make section of jurisdiction tip laminating on adjusting support piece, exert pressure to the load distribution roof beam through application of force mechanism, pressure conveys to the section of jurisdiction through the loading support frame to carry out bending resistance to the section of jurisdiction and detect.

Description

Section of jurisdiction bending resistance testing platform

Technical Field

The utility model relates to a building engineering detects technical field, and more specifically says that it relates to a section of jurisdiction bending resistance testing platform.

Background

The shield method is an important construction method for building the underground tunnel, has the advantages of high construction speed, high lining quality, small influence on the environment and the like, and is widely applied to the field of constructional engineering. In the process of using the shield method for construction, a large number of assembled duct pieces need to be matched and used, so that the quality of the duct pieces directly influences the safety and maintenance cost of underground tunnel operation.

Because the lining segment of the shield tunnel main body is related to the quality safety and the durability of the tunnel, the test and detection work of the shield segment is particularly important, and important basis is provided for construction quality control and construction acceptance and acceptance evaluation, wherein the bending resistance test is an important detection item of the shield segment. In the building engineering, the segment diameters that use usually differ, therefore the device that detects the segment needs conveniently to place different segments. When the bending resistance test device carries out bending resistance test on the shield segment, most of the bending resistance test devices can only meet the detection requirement of the segment with single specification, and the use requirement of detecting segments with various specifications cannot be met.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a section of jurisdiction bending resistance test platform, its adjustable support piece through setting up can satisfy the detection requirement of the section of jurisdiction of testing different diameters.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a section of jurisdiction bending resistance testing platform, is including supplying the horizontal platform seat of placing the section of jurisdiction, be provided with the adjustable support piece who is used for supporting the section of jurisdiction on the horizontal platform seat, the both sides of horizontal platform seat are provided with vertical support, the top of vertical support is connected with the load roof beam of crossing the horizontal platform seat, the load roof beam bottom surface is connected with application of force mechanism, application of force mechanism below is provided with load distribution roof beam, the both ends of load distribution roof beam are connected with the loading support frame, it is global to support in the outer hunch of section of jurisdiction with the loading support frame.

Through the technical scheme, the adjustable support piece is arranged on the horizontal platform base, the pipe pieces with different diameters are conveniently adjusted and supported, the end parts of the pipe pieces are attached to the adjustable support piece, pressure is applied to the load distribution beam through the force application mechanism, and the pressure is transmitted to the pipe pieces through the loading support frame, so that bending resistance detection is carried out on the pipe pieces.

The utility model discloses further set up to: adjustable support piece includes the supporting seat, is used for propping up the gasket of supporting seat one side and is used for the brace table of butt section of jurisdiction, the supporting seat be located on the horizontal platform seat and with horizontal platform seat sliding connection, the gasket is located between brace table tip and the horizontal platform seat, the fixed setting of brace table is on the supporting seat.

Through the technical scheme, the supporting seat is connected with the horizontal platform base in a sliding mode, the position of the adjustable supporting piece can be changed conveniently, the position of the adjustable supporting piece is corresponding to the end portion of the duct piece, the gasket is placed on one side of the supporting seat, the supporting seat is inclined by a certain angle, and therefore the inner side and the outer side of the end portion of the duct piece are attached to the supporting platform.

The utility model discloses further set up to: two arch-shaped grooves are formed in two ends of the bottom of the supporting seat respectively, sliding rods are arranged in the arch-shaped grooves, sliding rails are arranged on the horizontal platform seat and slide in a matched mode with the sliding rails, and the gaskets are located in the arch-shaped grooves on one side of the supporting seat and matched with the sliding rods.

Through above-mentioned technical scheme, set up the slide rail on the horizontal stand, set up the arch-shaped groove at the both ends of supporting seat bottom to set up the slide bar in the arch-shaped inslot, the slide bar slides with the slide rail cooperation, makes the supporting seat can freely remove on the horizontal stand, places the gasket in the arch-shaped inslot of supporting seat one side, adjusts the inclination of brace table, makes the tip laminating butt of brace table and section of jurisdiction.

The utility model discloses further set up to: the supporting platform comprises an inner side supporting block used for supporting the inner side of the end part of the pipe piece and an outer side supporting block used for supporting the outer side of the end part of the pipe piece, the cross section of the inner side supporting block is triangular, the cross section of the outer side supporting block is trapezoidal, and the inner side supporting block and the outer side supporting block are integrally arranged on the supporting seat and form a supporting angle.

Through the technical scheme, the inner side supporting block and the outer side supporting block are integrally arranged on the supporting seat and form the supporting angle, the inner arch surface of the inner side supporting block abutting pipe piece, the end surface of the outer side supporting block abutting pipe piece and the gasket are placed in the arch groove on one side of the supporting seat, so that the opening direction of the supporting angle is changed, and the supporting device is suitable for pipe pieces with different abutting diameters.

The utility model discloses further set up to: and a plurality of reinforcing ribs are arranged on two sides of the supporting platform.

Through above-mentioned technical scheme, set up many stiffening ribs in a supporting bench both sides for strengthen a supporting bench's support intensity.

The utility model discloses further set up to: the gasket is arched, the upper surface of the gasket is abutted to the arched groove, and the lower surface of the gasket is abutted to the outer surface of the sliding rod.

Through above-mentioned technical scheme, set up the gasket into the arch and place at the arch inslot, the upper surface and the inboard wall butt of arch inslot of gasket, the lower surface of gasket and the surface butt of slide bar conveniently change the opening direction at support angle.

The utility model discloses further set up to: the both ends of gasket are provided with the connecting block, the connecting block butt is in the bottom of supporting seat.

Through above-mentioned technical scheme, set up the connecting block at the gasket both ends, the connecting block butt is in the bottom of supporting seat, when preventing to remove the supporting seat, and the gasket rotates along with the rotation of slide bar.

The utility model discloses further set up to: the supporting seat is of a hollow structure, clamping blocks are arranged on two sides of the upper surface of the gasket, and the clamping blocks are clamped on the inner side and the outer side of the end portion of the supporting seat.

Through above-mentioned technical scheme, set up the grip block in the both sides of gasket upper surface, the grip block centre gripping is in the inside and outside both sides of supporting seat tip, and the position that can the fixed pad prevents that the gasket from droing.

The utility model discloses further set up to: and a pressure sensor is arranged between the force application mechanism and the loading beam.

Through above-mentioned technical scheme, set up pressure sensor between application of force mechanism and load beam, conveniently detect the bending resistance pressure of section of jurisdiction.

The utility model discloses further set up to: the loading support frame is characterized in that a cushion block is arranged between the force application mechanism and the load distribution beam, a rubber cushion plate is arranged at the bottom of the loading support frame, and inclined supports are arranged between two sides of the vertical support and the horizontal platform base.

Through above-mentioned technical scheme, set up the rubber backing plate in the support frame bottom, prevent at the bending resistance testing process, the loading support frame causes the damage to the section of jurisdiction to influence the accuracy that detects data.

To sum up, the utility model discloses following beneficial effect has:

(1) the sliding rails are arranged on the horizontal platform seat, two arch-shaped grooves are formed in two ends of the bottom of the supporting seat respectively, the sliding rods are arranged in the arch-shaped grooves, and the sliding rods and the sliding rails are matched to slide, so that the supporting seat can be conveniently moved, and pipe pieces with different diameters can be abutted;

(2) through set up arched gasket in the arch groove of supporting seat one side, adjust the inclination of brace table, make the brace table can with the section of jurisdiction tip laminating butt of different diameters.

Drawings

FIG. 1 is a schematic view of the overall structure of a bending-resistant testing platform;

FIG. 2 is a schematic diagram showing the structure of the adjustable support;

fig. 3 is a schematic view showing the structure of the gasket.

Reference numerals: 01. a duct piece; 1. a horizontal platform base; 2. an adjustable support; 21. a supporting seat; 22. a gasket; 221. connecting blocks; 222. a clamping block; 23. a support table; 231. an inside support block; 232. an outer support block; 233. a support angle; 234. reinforcing ribs; 24. an arcuate slot; 25. a slide bar; 26. a slide rail; 3. a vertical support; 4. a load beam; 5. a force application mechanism; 6. a load distribution beam; 7. loading a supporting frame; 8. a pressure sensor; 9. cushion blocks; 10. a rubber pad; 11. and (4) an inclined bracket.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

A test platform for detecting bending resistance of a duct piece comprises a horizontal platform 1 for placing the duct piece 01, as shown in figure 1, an adjustable support piece 2 is arranged on the horizontal platform 1 and used for adjusting and supporting the duct piece 01 with different diameters, vertical supports 3 are fixedly arranged on two sides of the horizontal platform 1, an inclined support 11 is fixedly arranged between two sides of each vertical support 3 and the horizontal platform 1, a loading beam 4 is integrally arranged on the top of each vertical support 3, the loading beam 4 transversely crosses the horizontal platform 1, the bottom surface of the loading beam 4 is connected with a force application mechanism 5, the force application mechanism 5 is a jack, an oil pump provides power for the jack, a pressure sensor 8 is arranged between the force application mechanism 5 and the loading beam 4 and used for detecting the bending resistance bearing force of the duct piece 01, a load distribution beam 6 is arranged below the force application mechanism 5, a cushion block 9 is arranged between the force application mechanism 5 and the load distribution beam 6, two ends of the load distribution beam 6 are connected with, the loading support frame 7 is abutted to the outer arch surface of the segment 01, the rubber base plate 10 is arranged at the bottom of the loading support frame 7, and the segment 01 is prevented from being damaged in the bending-resistant detection process by the loading support frame 7, so that the accuracy of detection data is influenced.

As shown in fig. 2, adjustable support piece 2 includes supporting seat 21, a supporting platform 23 and a gasket 22, supporting seat 21 is hollow structure and sets up to two, supporting platform 23 is fixed to be set up on supporting seat 21, refer to fig. 1, supporting seat 21 is located horizontal platform seat 1 and with horizontal platform seat 1 sliding connection, supporting seat 21 can slide on horizontal platform seat 1, be convenient for adjust the position of supporting seat 21, make the equal ability of section of jurisdiction 01 tip of different diameters support on supporting platform 23, gasket 22 is located between supporting platform 23 tip and the horizontal platform seat 1, be used for propping up one side of supporting seat 21, thereby adjust the angle of supporting seat 21 slope, make the inside and outside both sides of section of jurisdiction 01 tip hug closely on supporting platform 23. Two ends of the bottom of the supporting seat 21 are provided with an arch groove 24, a sliding rod 25 is arranged in the arch groove 24, a sliding rail 26 is arranged on the horizontal table base 1, and the sliding rod 25 is in sliding fit with the sliding rail 26, so that the supporting seat 21 can freely move on the horizontal table base 1. The supporting platform 23 comprises an inner supporting block 231 with a triangular cross section and an outer supporting block 232 with a trapezoidal cross section, the inner supporting block 231 and the outer supporting block 232 are integrally arranged on the supporting base 21 and form a supporting angle 233, the inner supporting block 231 is used for abutting against the inner arch surface of the duct piece 01, the outer supporting block 232 is used for abutting against the end surface of the duct piece 01, and a plurality of reinforcing ribs 234 are arranged on two sides of the supporting platform 23 and used for reinforcing the supporting strength of the supporting platform 23.

The gasket 22 is in an arch shape, as shown in fig. 2 and 3, the gasket 22 is located in the arch-shaped groove 24 on one side of the support seat 21, the upper surface of the gasket 22 abuts against the inner wall of the arch-shaped groove 24, the lower surface of the gasket abuts against the outer surface of the slide rod 25, the two ends of the gasket 22 are fixedly provided with the connecting blocks 221, the connecting blocks 221 abut against the bottom of the support seat 21, when the support seat 21 is prevented from being moved, the gasket 22 rotates along with the rotation of the slide rod 25, the two sides of the upper surface of the gasket 22 are provided with the clamping blocks 222, the clamping blocks 222 are clamped on the inner side and the outer side of the end. The spacers 22, which may have different thicknesses, are disposed in the arcuate grooves 24 on one side of the supporting base 21 to facilitate changing the opening direction of the supporting corners 233, so that the ends of the segments 01 having different diameters are closely abutted against the inner supporting blocks 231 and the outer supporting blocks 232.

The working principle of the embodiment is as follows: before placing section of jurisdiction 01, adjust the position of supporting seat 21 on horizontal platform 1, make distance between the supporting seat 21 match with section of jurisdiction 01 diameter, then place the gasket 22 of suitable thickness, let the tip cooperation of support angle 233 opening direction and section of jurisdiction 01, make the interior archway face of inboard supporting block 231 butt section of jurisdiction 01 just, outside supporting block 232 butt section of jurisdiction 01's terminal surface just, then place section of jurisdiction 01 on a supporting bench 23, start the oil pump, the jack is to 6 application of force of load distribution roof beam down, pressure conveys to section of jurisdiction 01 through loading support frame 7, pressure sensor 8 receives the reaction force of jack, detect out the bending resistance pressure of section of jurisdiction 01.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a section of jurisdiction bending resistance test platform, is including supplying horizontal stand (1) of placing section of jurisdiction (01), a serial communication port, be provided with adjustable support piece (2) that are used for supporting section of jurisdiction (01) on horizontal stand (1), the both sides of horizontal stand (1) are provided with vertical support (3), the top of vertical support (3) is connected with load beam (4) of crossing horizontal stand (1), load beam (4) bottom surface is connected with application of force mechanism (5), application of force mechanism (5) below is provided with load distribution roof beam (6), the both ends of load distribution roof beam (6) are connected with loading support frame (7), loading support frame (7) support global in the outer hunch of section of jurisdiction (01).

2. The segment bending-resistance detection test platform according to claim 1, wherein the adjustable support member (2) comprises a support base (21), a gasket (22) for supporting one side of the support base (21), and a support base (23) for abutting against the segment (01), the support base (21) is located on the horizontal base (1) and is in sliding connection with the horizontal base (1), the gasket (22) is located between the end of the support base (23) and the horizontal base (1), and the support base (23) is fixedly arranged on the support base (21).

3. The segment bending-resistance detection test platform according to claim 2, wherein two arch-shaped grooves (24) are respectively formed at two ends of the bottom of the support seat (21), a slide rod (25) is arranged in each arch-shaped groove (24), a slide rail (26) is arranged on the horizontal platform seat (1), the slide rod (25) is matched with the slide rail (26) to slide, and the gasket (22) is positioned in the arch-shaped groove (24) on one side of the support seat (21) and matched with the slide rod (25).

4. The segment bending-resistance detection test platform according to claim 2, wherein the support platform (23) comprises an inner support block (231) for supporting the inner side of the end of the segment (01) and an outer support block (232) for supporting the outer side of the end of the segment (01), the cross section of the inner support block (231) is triangular, the cross section of the outer support block (232) is trapezoidal, and the inner support block (231) and the outer support block (232) are integrally arranged on the support base (21) and form a support angle (233).

5. The segment bending-resistance detection test platform according to claim 4, wherein a plurality of reinforcing ribs (234) are provided on both sides of the support platform (23).

6. The segment bend-resistance detection test platform according to claim 2, wherein the gasket (22) is arched, the upper surface of the gasket (22) abuts against the groove, and the lower surface of the gasket (22) abuts against the outer surface of the sliding rod (25).

7. The segment bending-resistance detection test platform according to claim 2, wherein connecting blocks (221) are arranged at two ends of the gasket (22), and the connecting blocks (221) abut against the bottom of the supporting seat (21).

8. The segment bending-resistance detection test platform according to claim 2, wherein the support seat (21) is a hollow structure, clamping blocks (222) are arranged on two sides of the upper surface of the gasket (22), and the clamping blocks (222) are clamped on the inner side and the outer side of the end of the support seat (21).

9. The segment bending-resistance detection test platform according to claim 1, wherein a pressure sensor (8) is arranged between the force application mechanism (5) and the loading beam (4).

10. The segment bending-resistance detection test platform according to claim 1, wherein a cushion block (9) is arranged between the force application mechanism (5) and the load distribution beam (6), a rubber cushion plate (10) is arranged at the bottom of the loading support frame (7), and an inclined support (11) is arranged between two sides of the vertical support (3) and the horizontal platform base (1).