CN218917089U - Utility tunnel bending test restraint device - Google Patents
Utility tunnel bending test restraint device Download PDFInfo
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- CN218917089U CN218917089U CN202222805840.8U CN202222805840U CN218917089U CN 218917089 U CN218917089 U CN 218917089U CN 202222805840 U CN202222805840 U CN 202222805840U CN 218917089 U CN218917089 U CN 218917089U
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- comprehensive pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model discloses a comprehensive pipe rack bending-resistant experiment restraining device, which belongs to the field of comprehensive pipe rack construction, and simulates the horizontal interaction of the comprehensive pipe racks through three corner supports at the two ends of the top of a base and horizontal springs on the three corner supports; vertical support of foundation to utility tunnel is simulated through vertical spring in the backup pad, through setting up the required each item data of bending resistance experiment of measurement assembly detection bending resistance experiment in prefabricated utility tunnel's joint position department and then accomplish the experiment. The device is based on applying vertical support and horizontal constraint to the utility tunnel structure, can simulate the interaction between the vertical support provided by foundation bed coefficients to the utility tunnel and the utility tunnel pipe joint under different stratum conditions, and has the advantages of strong applicability, simple structure, strong operation controllability, experiment safety assurance, low implementation difficulty and good popularization value.
Description
Technical Field
The utility model belongs to the field of comprehensive pipe rack construction, and particularly relates to a comprehensive pipe rack bending-resistant experiment restraining device.
Background
In recent years, with the rapid development of urban modernization, the problem of urban environmental management is easily caused by surface pipelines, and unnecessary traffic jam and environmental pollution are also caused by underground pipelines during maintenance and excavation, so that the problems of repeated ground excavation and 'air spider web' are avoided by the way of pipeline corridor, and the problems are greatly improved by the construction of comprehensive pipe corridor. However, with the increasing strength of construction, the utility tunnel structure itself also exposes a number of problems, the most important of which is the destruction of the structure itself, thereby endangering the internal pipelines. The utility tunnel is well utilized under the conditions that the construction is mainly based on an open cut method due to shallow buried depth and the construction efficiency can be guaranteed along with the increase of requirements on construction environment, and the construction method is well applicable to various places in the country, but due to the universality, the utility tunnel has to face different stratum conditions. The prefabricated utility tunnel joint part is a weak area, the rigidity of the prefabricated utility tunnel joint part is smaller than the area of the structure, different stratum conditions are adopted, the contribution to the rigidity of the pipe tunnel joint is different, and under the condition that the joint waterproof performance and the structural strength requirements are basically consistent, the requirements on the rigidity of the utility tunnel joint are different, therefore, the large-scale longitudinal constraint experimental device for researching the bending rigidity of the prefabricated utility tunnel joint is manufactured, the rigidity change of the prefabricated utility tunnel joint under different strata can be reasonably researched, and further, the targeted improvement countermeasure is provided, the structural safety of the actual construction process is ensured, and the prefabricated utility tunnel joint is objectively beneficial and has practical engineering significance.
At present, the experimental apparatus that is used for studying prefabricated utility tunnel joint bending rigidity specially is very rare to relevant experimental apparatus is because the structure is very complicated, and the suitability is relatively poor, and difficult operation leads to simulation experiment effect not ideal, can't satisfy bending test's demand.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the comprehensive pipe rack bending resistance experiment restraining device which is simple in structure, high in applicability and convenient to operate, and can meet the requirements of bending resistance experiments.
In order to achieve the above purpose, the present utility model adopts the following technical contents:
the utility model provides a utility tunnel bending test restraint device which is characterized in that the utility tunnel bending test restraint device comprises a base;
the two ends of the top of the base are respectively provided with a triangular support in an array mode;
one right-angle side of the triangular support is fixed on the base, and the other right-angle side of the triangular support is connected with a horizontal spring;
a supporting plate is arranged between the triangular support at one end of the top of the base and the triangular support at the other end of the top of the base, and the supporting plate is fixed at the top of the base;
a vertical spring is arranged on the supporting plate;
the vertical springs are supported with prefabricated comprehensive pipe galleries which are fixed between the horizontal springs at the two ends of the top of the base;
the utility model discloses a prefabricated utility tunnel, including prefabricated utility tunnel, prefabricated utility tunnel's joint position department is provided with measurement subassembly, measurement subassembly is used for measuring the pressure value and the displacement value of prefabricated utility tunnel's joint position.
Further, the base is characterized in that a plurality of bolt holes B are formed in the bottom of the base.
Further, a plurality of bolt holes A are respectively formed in two ends of the top of the base, and the triangular support is fixed to the top of the base through the bolts A and the bolt holes A.
Further, a plurality of clamping grooves are formed in the other right-angle side of the triangular support, horizontal bolts penetrate through the clamping grooves, and one end of each horizontal spring is fixed to the corresponding clamping groove through the corresponding horizontal bolt.
Further, the support plate is mounted on the top of the base by means of vertical bolts.
Further, a rigid shaft is arranged on the supporting plate, and the vertical spring is sleeved on the rigid shaft.
Further, the measuring assembly comprises a pressure gauge, a stay wire type displacement gauge, a waterproof rubber ring and a displacement gauge;
the waterproof rubber ring is tightly attached to the gap of the joint part of the prefabricated comprehensive pipe rack;
the pressure gauge is inserted in a gap of the joint part of the prefabricated comprehensive pipe rack and is clung to the side wall of the waterproof rubber ring.
The stay wire type displacement meters are fixed at the left end and the right end of a gap of the joint part of the prefabricated comprehensive pipe rack;
the displacement meter is arranged at the bottom of the joint part of the prefabricated comprehensive pipe rack.
Further, the left end and the right end of the gap at the bottom of the joint part of the prefabricated comprehensive pipe rack are respectively provided with 1 displacement meter.
Further, two ends of the top of the base are respectively provided with 2 triangular supports, and four triangular supports are in rectangular distribution.
Further, the upper part of the other right-angle side of the triangular support is uniformly connected with 3 horizontal springs.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a comprehensive pipe gallery bending resistance experiment restraining device, which simulates the horizontal interaction of the comprehensive pipe galleries through three gussets at the two ends of the top of a base and horizontal springs on the three gussets; vertical support of foundation to utility tunnel is simulated through vertical spring in the backup pad, through setting up the required each item data of bending resistance experiment of measurement assembly detection bending resistance experiment in prefabricated utility tunnel's joint position department and then accomplish the experiment. The device is based on applying vertical support and horizontal constraint to the utility tunnel structure, can simulate the interaction between the vertical support provided by foundation bed coefficients to the utility tunnel and the utility tunnel pipe joint under different stratum conditions, and has the advantages of strong applicability, simple structure, strong operation controllability, experiment safety assurance, low implementation difficulty and good popularization value.
Furthermore, the bottom of the base is provided with the plurality of bolt holes B, and the bolts are matched, so that the device can be firmly fixed on a loading field, and the stability of the device in a loading experiment is improved.
Furthermore, the two ends of the top of the base are respectively provided with the plurality of bolt holes A, and the triangular support is fixed on the top of the base through the bolts A, so that the distance between the left and right three corner supports at the two ends can be adjusted according to different comprehensive pipe gallery size lengths, and the applicability of the device is increased.
Furthermore, the triangular support is provided with the clamping grooves on the other right-angle side, and the horizontal springs are fixed in the clamping grooves through the horizontal bolts, so that the horizontal springs are firmly fixed on the triangular support, and the stability of the device in an experiment is improved.
Furthermore, the rigid shaft is arranged on the supporting plate, and the vertical spring is firmly fixed on the supporting plate in a mode of sleeving the vertical spring on the rigid shaft, so that the stability of the device in an experiment is improved.
Further, the measuring component comprises a pressure gauge, a stay wire type displacement gauge, a waterproof rubber ring and a displacement gauge, wherein the stay wire type displacement gauge is arranged at the left end and the right end of a gap of a joint part of the prefabricated comprehensive pipe gallery and can measure the horizontal displacement of the joint part of the prefabricated comprehensive pipe gallery; the displacement meter is arranged at the bottom of the joint part of the prefabricated comprehensive pipe rack, so that the vertical displacement of the joint part of the prefabricated comprehensive pipe rack can be measured; in the clearance of the joint position of the prefabricated utility tunnel of tight installation of waterproof rubber circle, seal joint position through the extrusion waterproof rubber circle of assembly, can prevent joint position infiltration to measure the pressure value of joint position through the manometer, thereby joint position waterproof degree. The stay wire type displacement meter 15 and the vertical displacement meter 17 are used for measuring the bending loading opening angle of the prefabricated comprehensive pipe rack 6.
Drawings
FIG. 1 is a front view of a structure of a utility tunnel bending test restraining device according to an embodiment of the present utility model;
FIG. 2 is a top view of a horizontal restraint system of a utility tunnel bending test restraint device according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a vertical constraint system of a comprehensive pipe rack bending-resistant experiment constraint device according to an embodiment of the present utility model;
fig. 4 is an enlarged cross-sectional view of the location indicated by the square frame in fig. 1.
Reference numerals:
the device comprises a 1-base, a 2-bolt hole A, a 3-three-angle brace, a 4-clamping groove, a 5-horizontal spring, a 6-prefabricated comprehensive pipe rack, a 7-bolt hole B, an 8-bolt A, a 9-horizontal bolt, a 10-supporting plate, an 11-vertical bolt, a 12-rigid shaft, a 13-vertical spring, a 14-manometer, a 15-wire-drawing displacement meter, a 16-waterproof rubber ring and a 17-displacement meter.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the following specific embodiments are used for further describing the utility model in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides a comprehensive pipe rack bending-resistant experiment restraining device, which comprises a base 1; two ends of the top of the base 1 are respectively provided with a three-angle brace 3 in an array mode; one right-angle side of the triangular support 3 is fixed on the base 1, and the other right-angle side of the triangular support is connected with a horizontal spring 5; a supporting plate 10 is arranged between the triangular support 3 at one end of the top of the base 1 and the triangular support 3 at the other end of the top of the base 1, and the supporting plate 10 is fixed at the top of the base 1; the support plate 10 is provided with a vertical spring 13; the vertical springs 13 are supported with prefabricated comprehensive pipe racks 6, and the prefabricated comprehensive pipe racks 6 are fixed between the horizontal springs 5 at two ends of the top of the base 1; the joint part of the prefabricated comprehensive pipe rack 6 is provided with a measuring component which is used for measuring the pressure value and the displacement value of the joint part of the prefabricated comprehensive pipe rack 6.
A plurality of bolt holes B7 are formed in the bottom of the base 1, and bolts are matched, so that the device can be firmly fixed on a loading field, and the stability of the device in a loading experiment is improved.
A plurality of bolt holes A2 have been seted up respectively at the both ends at base 1 top, the tripod 3 pass through bolt A8 with bolt hole A2 is fixed the top of base 1, like this, can adjust the distance between the three angle braces in both ends about according to different utility tunnel length for the suitability of this device increases.
A plurality of clamping grooves 4 are formed in the other right-angle side of the triangular support 3, horizontal bolts 9 penetrate through the clamping grooves 4, one end of each horizontal spring 5 is fixed to the clamping groove 4 through the corresponding horizontal bolt 9, and therefore the horizontal springs are firmly fixed to the triangular supports, and stability of the device in an experiment is improved.
The support plate 10 is mounted on top of the base 1 by means of vertical bolts 11.
The rigid shaft 12 is arranged on the supporting plate 10, the vertical spring 13 is sleeved on the rigid shaft 12, and the vertical spring is firmly fixed on the supporting plate, so that the stability of the device in experiment is improved.
The measuring assembly comprises a pressure gauge 14, a pull-wire type displacement gauge 15, a waterproof rubber ring 16 and a displacement gauge 17, wherein the waterproof rubber ring 16 is tightly attached to a gap at a joint part of the prefabricated comprehensive pipe rack 6; the pressure gauge 14 is inserted into a gap at the joint part of the prefabricated utility tunnel 6 and is tightly attached to the side wall of the waterproof rubber ring 16. The stay wire type displacement meters 15 are fixed at the left end and the right end of a gap of the joint part of the prefabricated comprehensive pipe rack 6; the displacement meters 17 are arranged at the bottom of the joint part of the prefabricated comprehensive pipe rack 6, and the stay wire type displacement meters are arranged at the left end and the right end of the gap part of the joint part of the prefabricated comprehensive pipe rack and can measure the horizontal displacement amount of the joint part of the prefabricated comprehensive pipe rack; the displacement meter is arranged at the bottom of the joint part of the prefabricated comprehensive pipe rack, so that the vertical displacement of the joint part of the prefabricated comprehensive pipe rack can be measured; in the clearance of the joint position of the prefabricated utility tunnel of tight installation of waterproof rubber circle, seal joint department through the assembly extrusion waterproof rubber circle, can prevent joint department infiltration to measure the pressure value of joint department through the manometer, thereby judge the waterproof degree of joint position, stay-supported displacement meter 15 and vertical displacement meter 17 are used for measuring prefabricated utility tunnel 6 bending load and open the angle.
The left end and the right end of the gap at the bottom of the joint part of the prefabricated comprehensive pipe gallery 6 are respectively provided with 1 displacement meter 17, and the vertical displacement of the joint part of the prefabricated comprehensive pipe gallery can be measured.
Two ends at the top of the base 1 are respectively provided with 2 triangular supports 3, and the four triangular supports 3 are distributed in a rectangular shape, so that the device is more stable.
The upper part of the other right-angle side of the triangular support (3) is uniformly connected with 3 horizontal springs (5).
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 of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "horizontal," "inner," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the term "horizontal" if present does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The utility model is described in further detail below with reference to the attached drawing figures:
examples
As shown in fig. 1, this embodiment provides a utility tunnel bending test restraint device, including base 1, bolt hole A2, three angle braces 3, draw-in groove 4, horizontal spring 5, prefabricated utility tunnel 6, bolt hole B7, bolt A8, horizontal bolt 9, backup pad 10, vertical bolt 11, rigid axle 12, vertical spring 13 and measurement subassembly.
The support plate 10 is preferably made of steel to improve the stability of the device.
The measuring assembly is shown in fig. 4 and comprises a pressure gauge 14, a pull-wire type displacement gauge 15, a waterproof rubber ring 16 and a displacement gauge 17.
According to the installation and positioning of the base 1, the base 1 is reserved with the bolt hole B7, the base 1 can be installed and fixed with a loading site through a ground slot bolt and the like, the triangular support 3 and the vertical springs 13 for simulating the foundation to support the prefabricated comprehensive pipe gallery 6 are installed above the base 1, the number of the vertical springs 13 is calculated according to the site loading requirement, the vertical springs are uniformly arranged at the bottom of the prefabricated comprehensive pipe gallery 6 and sleeved on the rigid shaft 12, the base 1 and the triangular support 3 are connected in a positioning mode through the bolt hole A2 and by means of the bolt A8 according to the size of the prefabricated comprehensive pipe gallery 6, the horizontal springs 5 are arranged on the triangular support 3, the horizontal springs 5 are jointly fixed with the horizontal bolt 9 through the clamping slots 4, the arrangement number of the horizontal springs 5 is calculated and determined according to the site loading condition, and interaction among all pipe joints of the prefabricated comprehensive pipe gallery 6 under different stratum conditions can be simulated according to the change number.
The specific experimental method comprises the following steps:
after an experimental loading site is selected, positioning the base 1 of the device, after confirming that the device is correct, fixedly installing the base 1 through the bolt hole B7, after installing the base 1, positioning and installing the prefabricated comprehensive pipe gallery 6 through the bolt A8 according to the size of the prefabricated comprehensive pipe gallery 6 for loading, installing the horizontal springs 5 on the three gussets 3 by combining the horizontal bolts 9, then installing the supporting plate 10, calculating the number of the vertical springs 13 for loading according to foundation bed coefficients and uniformly arranging (sleeving) the vertical springs 13 in the rigid shaft 12 on the supporting plate 10, installing the prefabricated comprehensive pipe gallery 6 for loading on the vertical springs 13 after the arrangement of the vertical springs 13 is finished, and simultaneously installing the waterproof rubber ring 16, the pressure gauge 14, the pull-wire displacement gauge 15 and the vertical displacement gauge 17 at the gap of the joint part of the prefabricated comprehensive pipe gallery 6, and installing the horizontal springs 5 on the two three gussets 3 on the other side after the prefabricated comprehensive pipe gallery 6 is installed in place.
After all the equipment parts are installed in place, checking whether the measuring instruments such as the pressure gauge 14, the stay wire type displacement gauge 15, the vertical displacement gauge 17 and the like are damaged, recording initial values after confirming that the initial values are correct, then carrying out loading test of the bending rigidity study of the prefabricated comprehensive pipe gallery joint, and simultaneously recording the values of all the measuring instruments during loading.
The above embodiment is only one of the implementation manners capable of implementing the technical solution of the present utility model, and the scope of the claimed utility model is not limited to the embodiment, but also includes any changes, substitutions and other implementation manners easily recognized by those skilled in the art within the technical scope of the present utility model.
Claims (10)
1. The utility tunnel bending-resistant experiment restraining device is characterized by comprising a base (1);
two ends of the top of the base (1) are respectively provided with a three-angle brace (3) in an array mode;
one right-angle side of the triangular support (3) is fixed on the base (1), and the other right-angle side of the triangular support is connected with a horizontal spring (5);
a supporting plate (10) is arranged between the triangular support (3) at one end of the top of the base (1) and the triangular support (3) at the other end of the top of the base (1), and the supporting plate (10) is fixed at the top of the base (1);
a vertical spring (13) is arranged on the supporting plate (10);
the vertical springs (13) are supported with prefabricated comprehensive pipe racks (6), and the prefabricated comprehensive pipe racks (6) are fixed between the horizontal springs (5) at two ends of the top of the base (1);
the utility model discloses a prefabricated utility tunnel (6), including prefabricated utility tunnel (6) and measuring assembly, the joint position department of prefabricated utility tunnel (6) is provided with measuring assembly, measuring assembly is used for measuring the pressure value and the displacement value of the joint position of prefabricated utility tunnel (6).
2. The utility tunnel bending test restraining device according to claim 1, wherein a plurality of bolt holes B (7) are formed in the bottom of the base (1).
3. The utility tunnel bending-resistant experiment restraining device according to claim 1, wherein a plurality of bolt holes A (2) are respectively formed in two ends of the top of the base (1), and the triangular support (3) is fixed to the top of the base (1) through bolts A (8) and the bolt holes A (2).
4. The utility tunnel bending-resistant experiment restraining device according to claim 1, characterized in that a plurality of clamping grooves (4) are formed in the other right-angle side of the triangular support (3), horizontal bolts (9) penetrate through the clamping grooves (4), and one ends of the horizontal springs (5) are fixed in the clamping grooves (4) through the horizontal bolts (9).
5. The utility tunnel bending test restraining device according to claim 1, characterized in that the supporting plate (10) is mounted on top of the base (1) by means of vertical bolts (11).
6. The utility tunnel bending test restraining device according to claim 1, wherein a rigid shaft (12) is arranged on the supporting plate (10), and the vertical spring (13) is sleeved on the rigid shaft (12).
7. The utility tunnel bending test restraining device according to claim 1, wherein the measuring assembly comprises a pressure gauge (14), a pull-wire displacement gauge (15), a waterproof rubber ring (16) and a displacement gauge (17);
the waterproof rubber ring (16) is tightly attached to the gap of the joint part of the prefabricated comprehensive pipe rack (6);
the pressure gauge (14) is inserted into a gap at the joint part of the prefabricated comprehensive pipe rack (6) and is clung to the side wall of the waterproof rubber ring (16);
the stay wire type displacement meters (15) are fixed at the left end and the right end of a gap of the joint part of the prefabricated comprehensive pipe rack (6);
the displacement meter (17) is arranged at the bottom of the joint part of the prefabricated comprehensive pipe rack (6).
8. The utility tunnel bending test restraining device according to claim 7, wherein 1 displacement meter (17) is respectively arranged at the left end and the right end of the gap at the bottom of the joint part of the prefabricated utility tunnel (6).
9. The utility tunnel bending-resistant experiment restraining device according to claim 1, wherein two ends of the top of the base (1) are respectively provided with 2 triangular supports (3), and the four triangular supports (3) are in rectangular distribution.
10. The utility tunnel bending-resistant experiment restraining device according to claim 1 is characterized in that the upper part of the other right-angle side of the triangular support (3) is uniformly connected with 3 horizontal springs (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222805840.8U CN218917089U (en) | 2022-10-24 | 2022-10-24 | Utility tunnel bending test restraint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222805840.8U CN218917089U (en) | 2022-10-24 | 2022-10-24 | Utility tunnel bending test restraint device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218917089U true CN218917089U (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222805840.8U Active CN218917089U (en) | 2022-10-24 | 2022-10-24 | Utility tunnel bending test restraint device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218917089U (en) |
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2022
- 2022-10-24 CN CN202222805840.8U patent/CN218917089U/en active Active
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