CN114608750B - Inhaul cable water tightness detection device - Google Patents
Inhaul cable water tightness detection device Download PDFInfo
- Publication number
- CN114608750B CN114608750B CN202210343195.4A CN202210343195A CN114608750B CN 114608750 B CN114608750 B CN 114608750B CN 202210343195 A CN202210343195 A CN 202210343195A CN 114608750 B CN114608750 B CN 114608750B
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- Prior art keywords
- cable
- inhaul cable
- container
- supporting tube
- tube
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- 238000001514 detection method Methods 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 229920002379 silicone rubber Polymers 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 6
- 239000004945 silicone rubber Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 18
- 230000004308 accommodation Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/002—Investigating fluid-tightness of structures by using thermal means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a inhaul cable water tightness detection device, which comprises: a container having an accommodating space and a detection hole communicated with the accommodating space, wherein the detection hole is positioned at a first end of the container; the clamp is arranged at the second end of the container and is used for fixing the inhaul cable; a heating part for heating the liquid in the container; and the driving part is used for applying a force to the inhaul cable in a direction away from the clamp. And placing the detection test paper in the inhaul cable. Water having a color is added into the accommodation space. And then heated by the heating section. The driving part is used for driving the inhaul cable to be tightened along the length direction of the inhaul cable and matched with the clamp, and axial force is applied to the inhaul cable. After the detection is completed, the detection test paper is taken out, whether the color is changed or not is observed, if the color is not changed, the water tightness of the inhaul cable is proved to be good, and otherwise, the inhaul cable is proved to be unqualified.
Description
Technical Field
The invention relates to the technical field of inhaul cable detection equipment, in particular to a inhaul cable water tightness detection device.
Background
The cable-stayed bridge is one of the most popular bridge types of the current large-span bridges due to the characteristics of small girder height, large spanning capacity, attractive appearance and the like. In the prior art, a common form of cable-stayed bridge is that a cable tower is built in the middle, two sides of the cable tower are provided with symmetrical guys, and main beams of the cable tower are connected together through the guys. The common anchoring forms of the inhaul cable and the steel box girder mainly comprise: anchor box type connection, lug plate type connection, anchor pipe type connection and anchor pulling plate connection.
The inhaul cable is an important component of stress of the cable-stayed bridge structure and is also an object which is important to pay attention to during bridge detection.
In chinese patent application No.: CN201810551967.7 discloses a sealing test device for simulating high water pressure environment of a deepwater inhaul cable and a use method thereof. The utility model provides a deep water cable simulation high water pressure environment seal test device, includes pressure simulation device (1) and cable test piece (2), characterized by: the pressure simulation device (1) comprises a cylinder (101), a cover plate (104) and an air compressor (108); the inhaul cable test piece (2) comprises an anchor cup (201), a connecting cylinder (207) and a cable body (208). The application method of the deepwater inhaul cable simulated high water pressure environment sealing test device is characterized by comprising the following steps of: the steps are carried out as follows: ① placing test paper; ② Placing a test piece and injecting liquid; ③ is inflated; ④ testing; ⑤ testing. The technical scheme cannot be provided with the standard JT/T775-2016 in the field for detection, and the application is proposed in view of the fact.
Disclosure of Invention
In order to solve at least one technical problem existing in the background technology, the invention provides a inhaul cable water tightness detection device.
The invention provides a inhaul cable water tightness detection device, which comprises:
a container having an accommodating space and a detection hole communicated with the accommodating space, wherein the detection hole is positioned at a first end of the container;
The clamp is arranged at the second end of the container and is used for fixing the inhaul cable;
a heating part for heating the liquid in the container;
and the driving part is used for applying a force to the inhaul cable in a direction away from the clamp.
Preferably, the heating part is a silicon rubber heating belt wound on the container.
Preferably, the container comprises:
A support tube;
The upper cover is detachably arranged at the first end of the supporting tube, and the detection hole is formed in the upper cover;
and the lower cover is detachably arranged at the second end of the supporting tube, and the clamp is positioned in the supporting tube and connected with the lower cover.
Preferably, the lower cover includes:
A bottom;
The first connecting part is arranged on the bottom and is annular and is in threaded connection with the inner wall of the supporting tube;
the second connecting part is arranged on the bottom, is annular and is positioned outside the first connecting part, and can deform, wherein the second end of the supporting tube is positioned between the first connecting part and the second connecting part;
and the extrusion part is used for extruding the second connecting part towards the direction of the supporting tube.
Preferably, the extrusion piece is in threaded connection with the outer wall of the support tube, the inner diameter of one end of the extrusion piece, which is close to the bottom, is larger than the outer diameter of the second connecting portion, and the inner diameter of one end of the extrusion piece, which is far away from the bottom, is smaller than the outer diameter of the second connecting portion.
Preferably, a chute is arranged on the inner wall of the support tube, and the chute is arranged along the axial direction of the support tube;
The device also includes at least one adjustment portion, the adjustment portion including:
the sliding block is connected with the sliding groove in a sliding way;
the adjusting piece is provided with an adjusting hole for the inhaul cable to pass through, and the adjusting piece is connected with the sliding block;
And the screw rod is rotationally connected with the supporting tube and is in threaded connection with the sliding block.
Preferably, the adjusting part further includes:
The first threaded rod is connected with the sliding block and is perpendicular or oblique to the axial direction of the supporting tube;
and the first threaded pipe is in threaded connection with the first threaded rod and is connected with the adjusting piece.
Preferably, the number of the sliding grooves is two, and the sliding grooves are arranged on two sides of the inhaul cable;
the two adjusting parts are in one-to-one correspondence with the two sliding grooves, and the adjusting parts in the two adjusting parts are arranged at intervals along the axial direction of the inhaul cable.
Preferably, the apparatus further comprises:
the lower cover is rotatably connected with the base;
And the rotating part is used for driving the supporting tube to rotate.
Preferably, the rotating part includes:
the second threaded rod is movably connected with the supporting tube;
And the second threaded pipe is in threaded connection with the second threaded rod and is movably connected with the base.
The beneficial effects brought by one aspect of the invention are as follows:
And placing the detection test paper in the inhaul cable. Water having a color is added into the accommodation space. And then heated by the heating section. The driving part is used for driving the inhaul cable to be tightened along the length direction of the inhaul cable and matched with the clamp, and axial force is applied to the inhaul cable.
After the detection is completed, the detection test paper is taken out, whether the color is changed or not is observed, if the color is not changed, the water tightness of the inhaul cable is proved to be good, and otherwise, the inhaul cable is proved to be unqualified.
Drawings
FIG. 1 is an axial view of the present disclosure;
FIG. 2 is a front view of the present disclosure;
FIG. 3 is an axial view of the present disclosure;
FIG. 4 is a cross-sectional view of the present disclosure;
FIG. 5 is a cross-sectional view of the present disclosure;
fig. 6 is a cross-sectional view of a lower cover or the like of the present disclosure;
FIG. 7 is an axial view of the lower cover of the present disclosure;
FIG. 8 is a cross-sectional view of the present disclosure;
FIG. 9 is a cross-sectional view of an adjustment member, support tube, etc. of the present disclosure;
FIG. 10 is an axial view of an adjustment portion of the present disclosure;
FIG. 11 is an axial view of an adjustment portion of the present disclosure;
Fig. 12 is a cross-sectional view of an upper cover or the like of the present disclosure.
Detailed Description
It should be noted that, under the condition of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other; the following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left" and "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the positions or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 12, a device for detecting water tightness of a pull-cord according to the present invention includes:
A container A, which is provided with an accommodating space A01 and a detection hole A02 communicated with the accommodating space A01, wherein the detection hole A02 is positioned at the first end of the container A; the clamp 1 is arranged at the second end of the container A, and the clamp 1 is used for fixing the inhaul cable L; a heating part 2 for heating the liquid in the container A; a driving part 3 for applying a force to the cable L in a direction away from the clamp 1. The driving part 3 may be a cylinder, a jack, or the like.
The first end of the cable L may be disposed outside and connected to the output end of the driving part 3. The second end of the cable L passes through the detection hole a02 and goes deep into the accommodation space a01, and is connected with the clamp 1.
The test paper is placed in the inhaul cable L.
Water having a color is added into the accommodation space a 01. And then heated by the heating unit 2.
The driving part 3 is used for driving the inhaul cable L to be stretched along the length direction, and is matched with the clamp 1 to apply axial force to the inhaul cable L.
And after the detection is finished, taking out the detection test paper, observing whether the color is changed, if the color is not changed, proving that the water tightness of the inhaul cable L is good, otherwise, proving that the inhaul cable L is unqualified.
As for the detection test paper, the detection method of the load magnitude, the heating temperature, the time, etc. provided by the driving section 3, reference is made to the standard JT/T775-2016, the prior art. The person skilled in the art can use the present embodiment to perform the detection with reference to the relevant standard. The present application does not seek protection for existing detection methods.
As a further improvement of the above example, in one embodiment, the heating part 2 is a silicone rubber heating belt wound around the container a. The silicon rubber heating belt is wound on the container A and connected with an external power supply to heat water in the accommodating space A01. And carrying out water tightness detection on the inhaul cable L.
In the embodiment, the silicon rubber heating belt is adopted for heating, and because the silicon rubber heating belt has flexibility, the silicon rubber heating belt is easier to be completely and tightly attached to the container A, has good contact and is uniformly heated. This allows heat to be transferred to any desired location, thereby improving heating efficiency and reducing heat loss. Compared with traditional heating equipment, the embodiment omits a huge electric heater, a water pump and a heat-resistant rubber water pipe, reduces equipment capital investment, uses of consumable materials such as the heat-resistant rubber water pipe and the like, and reduces the heat loss of the traditional equipment for conveying hot water by a pipeline because the silicon rubber heating belt directly heats the container A.
As a further improvement to the above example, in one embodiment, the container a comprises:
a support tube 4; an upper cover 5 is detachably mounted on the first end of the support tube 4, wherein the detection hole a02 is located on the upper cover 5.
A lower cover 6 detachably mounted on the second end of the support tube 4, wherein the clamp 1 is positioned in the support tube 4 and connected with the lower cover 6.
An upper cover 5 and a lower cover 6 are arranged, so that the support tube 4 can be conveniently assembled and disassembled.
The cable L may be placed at the second end of the support tube 4 after passing through the detection hole a02 and then connected to the clamp 1. The lower cover 6 is mounted. The cable L is connected to the output end of the driving unit 3, and an axial force is applied to the cable L by the driving unit 3 to detect the cable L.
In connection with fig. 6 and 7, as a further development of the above-described example, in one embodiment, the lower cover 6 comprises:
A bottom 601; a first connection portion 602, disposed on the bottom 601, is annular and is screwed with the inner wall of the support tube 4.
A second connecting portion 603 disposed on the bottom 601, where the second connecting portion 603 is annular and located outside the first connecting portion 602, and the second connecting portion 603 is capable of deforming, and a second end of the support tube 4 is located between the first connecting portion 602 and the second connecting portion 603; and an extrusion member 604 for extruding the second connecting portion 603 toward the support pipe 4.
The first connecting portion 602 is screwed with the support pipe 4, and then the second connecting portion 603 is pressed by the pressing member 604, so that sealing is effectively performed, and leakage is avoided.
As a further improvement of the above embodiment, in one embodiment, the pressing member 604 is screwed to the outer wall of the support pipe 4, an inner diameter of an end of the pressing member 604 near the bottom 601 is larger than an outer diameter of the second connecting portion 603, and an inner diameter of an end of the pressing member 604 far from the bottom 601 is smaller than the outer diameter of the second connecting portion 603.
With reference to fig. 6, by rotating the pressing member 604, the second connecting portion 603 is gradually pressed to the left, and leakage at the joint between the support pipe 4 and the lower cover 6 is avoided.
As a further development of the above-described example, in connection with fig. 8-11, in one embodiment a chute 401 is provided on the inner wall of the support tube 4, which chute 401 is arranged in the axial direction of the support tube 4;
The device also includes at least one adjustment portion, the adjustment portion including:
A sliding block 7 slidably connected to the sliding slot 401; an adjusting member 8 having an adjusting hole 801 through which the cable L passes, the adjusting member 8 being connected to the slider 7; and a screw 9 rotatably connected with the support tube 4 and in threaded connection with the slide block 7.
To simulate different use situations, the cable L may be passed through the adjustment hole 801, and the adjustment member 8 may be placed in position by rotating the screw 9. When the driving part 3 is used for tightening the inhaul cable L, the inhaul cable L can be twisted, so that different application scenes are simulated, and then detection is carried out, and detection data are more comprehensive.
As a further improvement of the above embodiment, in one embodiment, the adjusting portion further includes:
A first threaded rod 10 connected to the slide block 7 and axially perpendicular or oblique to the support tube 4; a first threaded pipe 11 is screwed with the first threaded rod 10 and is connected with the adjusting member 8. Through rotating first screwed pipe 11, drive adjusting part 8 along the radial removal of stay tube 4, adjust the interval of cable L and stay tube 4 inner wall in regulation hole 801 department, then utilize drive portion 3 to tighten cable L, can adjust cable L's distortion degree, simulate different application scenario, provide the testing result comprehensively, accurate.
As a further improvement of the above embodiment, in one embodiment, the sliding grooves 401 are two, and are disposed on two sides of the cable L; the two adjusting parts are in one-to-one correspondence with the two sliding grooves 401, wherein the adjusting pieces 8 in the two adjusting parts are arranged at intervals along the axial direction of the inhaul cable L.
In connection with fig. 10, two adjusting portions are provided, and by means of two adjusting members 8, the cable L is passed through two adjusting holes 801, and the two adjusting holes 801 may be different in axis. After the inhaul cable L is tightened, the two adjusting holes 801 enable the inhaul cable L to twist in length, so that more severe application scenes are simulated, detection is more comprehensive, and data are more accurate.
As a further improvement to the above example, in one embodiment, the apparatus further comprises:
a base 12, wherein the lower cover 6 is rotatably connected with the base 12; and a rotating part for driving the support tube 4 to rotate.
As a further improvement of the above embodiment, in one embodiment, the rotating portion includes:
A second threaded rod 13 movably connected with the support tube 4; and a second threaded pipe 14, which is in threaded connection with the second threaded rod 13 and is movably connected with the base 12.
In order to be suitable for detecting the inhaul cables L with different sizes and different types, the supporting tube 4 and the base 12 generally need to be adjusted to form different angles, and the height of the water surface in the supporting tube 4 is adjusted.
The second threaded pipe 14 can be driven to rotate relative to the second threaded rod 13, the supporting pipe 4 is driven to rotate, and the included angle between the supporting pipe 4 and the base 12 is adjusted, so that different detection requirements are met. The embodiment has good adaptability and meets different detection requirements.
For effective heating, a sealing plug B may be installed at the detection hole, which has a through hole through which the cable passes. Ensuring the heating effect.
In this embodiment, the test paper may be placed in the cable. And the second end of the inhaul cable is arranged in the supporting tube through the detection hole and is connected with the clamp. And then the lower cover is mounted. The position of the adjusting member is adjusted. Water was added. And installing an upper cover. And a silicon rubber heating belt is installed. The driving part is used for tightening the inhaul cable. And then detecting.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. A cable water tightness detection device, characterized by comprising:
a container having an accommodating space and a detection hole communicated with the accommodating space, wherein the detection hole is positioned at a first end of the container;
The clamp is arranged at the second end of the container and is used for fixing the inhaul cable;
a heating part for heating the liquid in the container;
the driving part is used for applying a force to the inhaul cable in a direction away from the clamp;
the container comprises:
A support tube;
The upper cover is detachably arranged at the first end of the supporting tube, and the detection hole is formed in the upper cover;
The lower cover is detachably arranged at the second end of the supporting tube, and the clamp is positioned in the supporting tube and connected with the lower cover;
the lower cover includes:
A bottom;
The first connecting part is arranged on the bottom and is annular and is in threaded connection with the inner wall of the supporting tube;
the second connecting part is arranged on the bottom, is annular and is positioned outside the first connecting part, and can deform, wherein the second end of the supporting tube is positioned between the first connecting part and the second connecting part;
An extrusion member for extruding the second connection portion toward the support tube;
A chute is arranged on the inner wall of the support tube, and the chute is arranged along the axial direction of the support tube;
The device also includes at least one adjustment portion, the adjustment portion including:
the sliding block is connected with the sliding groove in a sliding way;
the adjusting piece is provided with an adjusting hole for the inhaul cable to pass through, and the adjusting piece is connected with the sliding block;
the screw rod is rotationally connected with the supporting tube and is in threaded connection with the sliding block;
The first threaded rod is connected with the sliding block and is perpendicular or oblique to the axial direction of the supporting tube;
the first threaded pipe is in threaded connection with the first threaded rod and is connected with the adjusting piece;
through rotating first screwed pipe, drive the radial removal of regulating part along the stay tube, adjust the interval of the cable of regulation hole department and stay tube inner wall, then utilize drive division to tighten the cable, adjust the distortion degree of cable, simulate different application scenario.
2. The apparatus according to claim 1, wherein the heating portion is a silicone rubber heating belt wound around the container.
3. The apparatus according to claim 2, wherein the pressing member is screw-connected to the outer wall of the support pipe, an inner diameter of an end of the pressing member near the bottom portion is larger than an outer diameter of the second connecting portion, and an inner diameter of an end of the pressing member far from the bottom portion is smaller than the outer diameter of the second connecting portion.
4. The apparatus according to claim 3, wherein the number of the sliding grooves is two, and the sliding grooves are arranged on both sides of the cable;
the two adjusting parts are in one-to-one correspondence with the two sliding grooves, and the adjusting parts in the two adjusting parts are arranged at intervals along the axial direction of the inhaul cable.
5. The apparatus for detecting water tightness of a cable according to claim 4, wherein the apparatus further comprises: the lower cover is rotatably connected with the base; and the rotating part is used for driving the supporting tube to rotate.
6. The apparatus according to claim 5, wherein the rotating portion includes:
the second threaded rod is movably connected with the supporting tube;
And the second threaded pipe is in threaded connection with the second threaded rod and is movably connected with the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210343195.4A CN114608750B (en) | 2022-03-31 | 2022-03-31 | Inhaul cable water tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210343195.4A CN114608750B (en) | 2022-03-31 | 2022-03-31 | Inhaul cable water tightness detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114608750A CN114608750A (en) | 2022-06-10 |
| CN114608750B true CN114608750B (en) | 2024-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210343195.4A Active CN114608750B (en) | 2022-03-31 | 2022-03-31 | Inhaul cable water tightness detection device |
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| CN (1) | CN114608750B (en) |
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| CN114608750A (en) | 2022-06-10 |
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