CN220932342U

CN220932342U - Prefabricated shield constructs section of jurisdiction test device

Info

Publication number: CN220932342U
Application number: CN202322632544.7U
Authority: CN
Inventors: 刘安; 刘建伟; 张磊刚
Original assignee: Cccc First Highway Engineering Bureau Gangfa Jiangsu Construction Technology Co ltd
Current assignee: Cccc First Highway Engineering Bureau Gangfa Jiangsu Construction Technology Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-05-10
Anticipated expiration: 2033-09-27

Abstract

The utility model discloses a prefabricated shield segment test device which comprises a U-shaped support frame and a fixed bottom plate, wherein the U-shaped support frame is installed and connected to two sides of the upper end of the fixed bottom plate, and a support cross rod is arranged at the top end of the inner side of the U-shaped support frame.

Description

Prefabricated shield constructs section of jurisdiction test device

Technical Field

The utility model relates to the technical field of shield segment quality detection, in particular to a prefabricated shield segment test device.

Background

The shield segment is a main assembly component for shield construction, is an innermost barrier of a tunnel structure, has the function of resisting pressure from a soil layer, underground water pressure and some special loads, is a permanent lining structure of a shield-method tunnel, has the quality directly related to the integral quality and safety of the tunnel, influences the waterproof performance and durability of the tunnel, and can be subjected to a sampling mechanical test before being used for construction based on the importance of the shield segment, so as to check whether the mechanical property of the shield segment meets the construction requirement.

The prior China patent CN215727262U discloses a shield segment test device on the 1 day of 2022, 2 months, and the shield segment test device comprises: the whole chassis is arranged on the ground, a sliding rail is arranged on the whole chassis, and the whole chassis and the sliding rail extend along the feeding direction of the shield; and the counterforce support comprises a bottom support and a propping mechanism, the propping mechanism is arranged on the bottom support, the bottom support is arranged on the sliding rail in a sliding manner, and the propping mechanism can prop up the shield segment along the shield feeding direction. The shield segment test device in the above patent can prop up the tight shield segment, and the position of reaction support frame can be along with the experimental stroke of shield segment and change to simulate the continuous operation process of shield machine, however when the tight experiment of shield segment is being propped up to above-mentioned device, because the shield segment lacks fixed establishment, when leading to the tight, the shield segment can slide, thereby influences the problem of experimental result, consequently, needs further perfection.

Disclosure of utility model

The utility model aims to provide a prefabricated shield segment test device, which aims to solve the problem that in the prior art, the existing shield segment test device is provided, and in the use process, the shield segment lacks a fixing mechanism, so that the shield segment can slide when being tightly propped, thereby influencing the experimental result.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a prefabricated shield constructs section of jurisdiction test device, includes U type support frame and PMKD, U type support frame erection joint is on PMKD's upper end both sides position, the inboard top of U type support frame is provided with the support horizontal pole, be provided with electronic cylinder in the middle of the upper end of support horizontal pole, the bottom end department of electronic cylinder is provided with detection component, the inboard bottom of U type support frame is located PMKD and is provided with the regulation spout, the upper end both sides of adjusting the spout are located PMKD and are provided with fixed subassembly, fixed subassembly's rear end is located PMKD and is provided with limit baffle, PMKD's upper end both sides are provided with connecting slot, connecting slot's upper end is provided with protection component.

The fixing assembly comprises an L-shaped support, anti-skid rubber mats, fixing bolts and adjusting sliding blocks, wherein the fixing bolts are arranged on two sides of the upper end of the L-shaped support, the anti-skid rubber mats are arranged in the middle of the upper end of the L-shaped support, the adjusting sliding blocks are arranged in the middle of the bottom end of the L-shaped support, and the L-shaped support is connected onto the fixing base plate through the fixing bolts.

The detection assembly comprises a jacking steel plate, a round bar connecting sleeve, a pressure sensor and a fixed steel pin, wherein the round bar connecting sleeve is arranged in the middle of the upper end of the jacking steel plate, the fixed steel pin is arranged at the upper end of the round bar connecting sleeve, the pressure sensor is arranged at the corners around the upper end of the jacking steel plate, and the jacking steel plate is connected to the electric cylinder through the round bar connecting sleeve.

The protection assembly comprises a connecting plugboard, a protection baffle and a rubber soft board, wherein the connecting plugboard is arranged at the bottom end of the protection baffle, the rubber soft board is arranged on the end face of the front end of the protection baffle, and the protection baffle is connected to the fixed bottom plate through the connecting plugboard.

The fixed bottom plate and the protection component are connected and installed in a plugging mode, and the protection component is connected to the two sides of the upper end of the fixed bottom plate.

The electric cylinder and the detection assembly are connected and installed in a sleeved mode, and the detection assembly is connected to the bottom end head of the electric cylinder.

The fixing assemblies are symmetrically connected to two sides of the upper end of the fixing bottom plate.

In summary, the beneficial effects of the utility model are as follows due to the adoption of the technology:

1. According to the utility model, the width can be adjusted according to the requirements through the cooperation of the fixing assembly, the fixing bottom plate and the adjusting chute, so that the shield segments with different sizes can be placed, when the fixing assembly is installed, firstly, the width of the shield segments is adjusted according to the width of the shield segments, when the fixing assembly is installed, the adjusting slide block at the bottom end of the L-shaped support is pushed to slide in the adjusting chute until the adjusting slide block is at a proper width, and then the fixing bolt is locked, so that the shield segments are firmer when in use, the two ends of the shield segments are sequentially placed on the L-shaped support, and when in use, the shield segments cannot slip and move when in follow-up compression detection under the skid resistance of the anti-skid rubber mat, thereby improving the detection precision.

2. According to the utility model, the detection assembly and the electric cylinder are matched for use, so that the compression force of the shield segment can be measured, when the detection assembly is installed, firstly, the output rod of the electric cylinder is sleeved into the round rod connecting sleeve, and further, the output rod is fixedly connected through the fixed steel pin, so that the output rod is firmer and can not slip when in use, the jacking steel plate is pressed to the end face of the shield segment through the jacking of the electric cylinder, and in the jacking process, the pressure sensors around the upper end of the jacking steel plate can measure the maximum compression data of the shield segment.

3. According to the utility model, the safety of the experimental device can be improved through the cooperation of the protection component, the fixed bottom plate and the connecting slots, when the protection component is installed, the connecting plugboard at the bottom end of the protection baffle can be quickly inserted into the corresponding connecting slots at the two sides of the upper end of the fixed bottom plate, and the connection installation is adopted in an inserting mode, so that the installation is more convenient, the subsequent disassembly and the replacement or the folding are convenient, and in the using process, the protection baffle is shielded at the two sides of the upper end of the fixed bottom plate, so that the shield segment can be prevented from being pressed and burst to splash, and the safety of the experiment is improved.

Drawings

FIG. 1 is a schematic diagram of a three-dimensional structure of a prefabricated shield segment test device according to the utility model;

FIG. 2 is an enlarged structural schematic diagram of an area A of the prefabricated shield segment test device;

FIG. 3 is a schematic structural view of a prefabricated shield segment test device according to the present utility model;

FIG. 4 is a schematic structural view of a prefabricated shield segment test device according to the present utility model;

fig. 5 is a schematic structural view of a prefabricated shield segment test device according to the present utility model.

In the figure: 1. an electric cylinder; 2. a support rail; 3. a limit baffle; 4. a U-shaped supporting frame; 5. a fixed bottom plate; 6. a protective assembly; 61. a connecting plugboard; 62. a protective baffle; 63. a rubber soft board; 7. a fixing assembly; 71. an L-shaped bracket; 72. an anti-slip rubber pad; 73. a fixing bolt; 74. an adjusting slide block; 8. a detection assembly; 81. pressing a steel plate; 82. the round rod connecting sleeve; 83. a pressure sensor; 84. fixing the steel pin; 9. adjusting the chute; 10. and a connection slot.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Example 1

Referring to fig. 1, fig. 2 and fig. 3, a prefabricated shield segment test device, including U type support frame 4 and PMKD 5, U type support frame 4 installs and connects on PMKD 5's upper end both sides position, U type support frame 4's inboard top is provided with support horizontal pole 2, be provided with electric cylinder 1 in the middle of the upper end of support horizontal pole 2, electric cylinder 1's bottom end department is provided with the inboard bottom of detection component 8,U type support frame 4 and is provided with regulation spout 9 on PMKD 5, adjust spout 9's upper end both sides and be provided with fixed subassembly 7 on PMKD 5, fixed subassembly 7's rear end is provided with limit baffle 3 on PMKD 5, PMKD 5's upper end both sides are provided with connecting slot 10, connecting slot 10's upper end is provided with protection subassembly 6, during the use, place shield segment slip through fixed subassembly 7, and during the time of placing, fixed subassembly 7 can be according to shield segment's size and adjust the width, so that be applicable to the different size shield segment detects the use, and during the use, electric cylinder 1 detects 8 and detects 8 under the pressure when the pressure sensor 8, and the shield segment is pressed down at the position that detects 8, and the shield segment protector can be pressed down by the pressure sensor is pressed in the position and the shield segment is pressed in the process of the shield segment 5, the shield segment is detected by the pressure sensor is pressed down, and the safety shield segment protector is pressed down in the safety shield segment is pressed and the safety shield segment is pressed.

According to the utility model, two fixing assemblies 7 are arranged in total, the fixing assemblies 7 are symmetrically connected to two sides of the upper end of the fixing bottom plate 5, each fixing assembly 7 comprises an L-shaped support 71, an anti-slip rubber pad 72, a fixing bolt 73 and an adjusting slide block 74, two fixing bolts 73 are arranged on two sides of the upper end of each L-shaped support 71, an anti-slip rubber pad 72 is arranged in the middle of the upper end of each L-shaped support 71, an adjusting slide block 74 is arranged in the middle of the bottom end of each L-shaped support 71, each L-shaped support 71 is connected to the fixing bottom plate 5 through the corresponding fixing bolt 73, when the fixing assemblies 7 are installed, firstly, adjustment is carried out according to the width of a shield segment, the adjusting slide blocks 74 at the bottom end of each L-shaped support 71 are slid in the corresponding adjusting slide grooves 9 by pushing the corresponding L-shaped supports 71 until the corresponding width is right, and then the fixing bolts 73 are locked, so that when the shield segment is used, the two ends of each shield segment are sequentially placed on each L-shaped support 71, and when the shield segment is placed in the corresponding fixing bolts are anti-slip rubber pad 72, the corresponding to the anti-slip slide blocks.

Working principle: during the use, place the support through fixed subassembly 7 with the both sides end of shield section of jurisdiction to shield section of jurisdiction slippage removes during the experiment, and when placing, fixed subassembly 7 can be according to the size of shield section of jurisdiction and adjust the width, so as to be applicable to the shield section of jurisdiction of equidimension and detect the use, and in-process, electronic cylinder 1 drives detection component 8 and pushes down, when detection component 8 pushes down, thereby extrude the shield section of jurisdiction, and the biggest pressurized condition of shield section of jurisdiction can be detected through the sensor in-process of extrusion, and in the pressurization in-process, shelter from the protection through protection component 6 on fixed baseplate 5's both sides position, can prevent that the shield section of jurisdiction from being pressed and bursting and splash, the security of this experiment has been improved like this.

Example two

Referring to fig. 1, fig. 2 and fig. 4, in this embodiment, compared with the first embodiment, the electric cylinder 1 and the detection component 8 are connected and installed in a sleeved mode, and the detection component 8 is connected to the bottom end of the electric cylinder 1, the detection component 8 comprises a jacking steel plate 81, a round bar connecting sleeve 82, a pressure sensor 83 and a fixed steel pin 84, a round bar connecting sleeve 82 is arranged in the middle of the upper end of the jacking steel plate 81, a fixed steel pin 84 is arranged at the upper end of the round bar connecting sleeve 82, a pressure sensor 83 is arranged at corners around the upper end of the jacking steel plate 81, and the jacking steel plate 81 is connected to the electric cylinder 1 through the round bar connecting sleeve 82.

Working principle: when the detection assembly 8 is installed, firstly, the output rod of the electric cylinder 1 is sleeved into the round bar connecting sleeve 82, and further the output rod is fixedly connected by the fixing steel pin 84, so that the output rod is firmer and can not slip during use, when the detection assembly is used, the jacking steel plate 81 is pressed to the end face of the shield segment by jacking down the electric cylinder 1, and in the jacking process, the pressure sensors 83 around the upper end of the jacking steel plate 81 can measure the maximum pressure data of the shield segment.

Example III

Referring to fig. 1, fig. 2 and fig. 5, in this embodiment, compared with the second embodiment, the fixing base plate 5 and the protection component 6 are installed in a connecting manner in an inserting manner, and the protection component 6 is connected to two sides of the upper end of the fixing base plate 5, the protection component 6 includes a connection plugboard 61, a protection baffle 62 and a rubber soft board 63, the bottom end of the protection baffle 62 is provided with the connection plugboard 61, the front end face of the protection baffle 62 is provided with the rubber soft board 63, and the protection baffle 62 is connected to the fixing base plate 5 through the connection plugboard 61.

Working principle: when the protection component 6 is installed, firstly, the connection plugboards 61 at the bottom end of the protection baffle plate 62 can be quickly inserted into the corresponding connection slots 10 at the two sides of the upper end of the fixed bottom plate 5, and are connected and installed in an inserting mode, so that the installation is more convenient, the subsequent convenient disassembly and replacement or the folding are convenient, and in the use process, the protection baffle plate 62 shields the two sides of the upper end of the fixed bottom plate 5, so that shield segments can be prevented from being pressed and burst to splash, and the safety of the experiment is improved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a prefabricated shield constructs section of jurisdiction test device, includes U type support frame (4) and PMKD (5), its characterized in that: the utility model discloses a U type support frame, including U type support frame (4), fixed baseplate (5) and connecting slot (10), U type support frame (4) are installed and connected on the upper end both sides position of fixed baseplate (5), the inboard top of U type support frame (4) is provided with support horizontal pole (2), be provided with electric cylinder (1) in the middle of the upper end of support horizontal pole (2), bottom end department of electric cylinder (1) is provided with detection component (8), the inboard bottom of U type support frame (4) is located fixed baseplate (5) and is provided with regulation spout (9), the upper end both sides of regulation spout (9) are located and are provided with fixed subassembly (7) on fixed baseplate (5), the rear end of fixed subassembly (7) is provided with limit baffle (3) on fixed baseplate (5), the upper end both sides of fixed baseplate (5) are provided with connecting slot (10), the upper end of connecting slot (10) is provided with protection component (6).

2. The prefabricated shield segment test device according to claim 1, wherein: the fixing assembly (7) comprises an L-shaped support (71), anti-slip rubber gaskets (72), fixing bolts (73) and adjusting sliding blocks (74), wherein the fixing bolts (73) are arranged on two sides of the upper end of the L-shaped support (71), the anti-slip rubber gaskets (72) are arranged in the middle of the upper end of the L-shaped support (71), the adjusting sliding blocks (74) are arranged in the middle of the bottom end of the L-shaped support (71), and the L-shaped support (71) is connected to the fixing bottom plate (5) through the fixing bolts (73).

3. The prefabricated shield segment test device according to claim 1, wherein: the detection assembly (8) comprises a jacking steel plate (81), a round bar connecting sleeve (82), a pressure sensor (83) and a fixed steel pin (84), wherein the round bar connecting sleeve (82) is arranged in the middle of the upper end of the jacking steel plate (81), the fixed steel pin (84) is arranged at the upper end of the round bar connecting sleeve (82), the pressure sensor (83) is arranged at the corners around the upper end of the jacking steel plate (81), and the jacking steel plate (81) is connected to the electric cylinder (1) through the round bar connecting sleeve (82).

4. The prefabricated shield segment test device according to claim 1, wherein: the protection assembly (6) comprises a connecting plugboard (61), a protection baffle (62) and a rubber soft board (63), wherein the connecting plugboard (61) is arranged at the bottom end of the protection baffle (62), the rubber soft board (63) is arranged on the front end face of the protection baffle (62), and the protection baffle (62) is connected onto the fixed bottom board (5) through the connecting plugboard (61).

5. The prefabricated shield segment test device according to claim 1, wherein: the fixed bottom plate (5) and the protection component (6) are connected and installed in a plugging mode, and the protection component (6) is connected to two sides of the upper end of the fixed bottom plate (5).

6. The prefabricated shield segment test device according to claim 1, wherein: the electric cylinder (1) and the detection assembly (8) are connected and installed in a sleeved mode, and the detection assembly (8) is connected to the bottom end head position of the electric cylinder (1).

7. The prefabricated shield segment test device according to claim 1, wherein: the two fixing assemblies (7) are arranged in total, and the fixing assemblies (7) are symmetrically connected to the two sides of the upper end of the fixing bottom plate (5).