CN114810756B - Connecting device of sound measurement tube - Google Patents
Connecting device of sound measurement tube Download PDFInfo
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- CN114810756B CN114810756B CN202210354269.4A CN202210354269A CN114810756B CN 114810756 B CN114810756 B CN 114810756B CN 202210354269 A CN202210354269 A CN 202210354269A CN 114810756 B CN114810756 B CN 114810756B
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- connecting pipe
- tube
- female joint
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- 238000005259 measurement Methods 0.000 title abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 69
- 239000010959 steel Substances 0.000 claims abstract description 69
- 229920003023 plastic Polymers 0.000 claims abstract description 27
- 239000004033 plastic Substances 0.000 claims abstract description 27
- 238000003466 welding Methods 0.000 claims description 39
- 238000007789 sealing Methods 0.000 claims description 10
- 238000010309 melting process Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 108700041286 delta Proteins 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/04—Clamping or clipping connections
- F16B7/0406—Clamping or clipping connections for rods or tubes being coaxial
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
- F16B2200/10—Details of socket shapes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a connecting device of a sound measurement pipe, and belongs to the field of foundation pile detection in the field of construction engineering. The connecting device is a three-piece set and comprises a male connector, a female connector and a sleeve, wherein the male connector and the female connector both comprise a connecting pipe and a receiving steel pipe, and the connecting pipe and the sleeve are made of plastics. One section of the receiving steel pipe is pre-buried in the wall of the male connector and the wall of the female connector and is welded into a whole in a hot melting mode. The male connector and the female connector are fixedly connected with two sound measuring pipes to be connected respectively through two bearing steel pipes. The male connector and the female connector are in butt joint, and the connection of the two sound measuring pipes to be connected is completed by limiting and locking the sleeve. The installation of the connecting device is mainly finished in a factory, so that the factory production can be realized, the on-site installation is fast, convenient and firm, and the phenomena of deformation, water leakage and the like caused by falling off during the connection of the sound tube are well solved.
Description
Technical Field
The invention belongs to the field of foundation pile detection in the field of construction engineering, and particularly relates to a connecting device of a sound measuring pipe.
Background
In the existing sound tube connecting device, the plastic steel sound tube and the steel sound tube are generally connected in the following manner:
1. The existing common thin-wall metal acoustic pipe is generally connected by adopting a hydraulic clamp, one end of the metal acoustic pipe is provided with a hydraulic joint, the other end of the metal acoustic pipe is used as a spigot-and-socket end, no joint is arranged, the spigot-and-socket end is inserted into the hydraulic joint, and meanwhile, the hydraulic clamp is used for extruding the hydraulic joint, so that a sealing ring built in the hydraulic joint is attached to a steel pipe at the spigot-and-socket end, and the sealing effect is achieved.
2. The sleeve type thick-wall sounding pipe is welded, a sleeve with the inner diameter slightly larger than the outer diameter of the sounding pipe is welded at one end of the thick-wall sounding pipe, the other end of the thick-wall sounding pipe is used as a spigot-and-socket end, no joint is installed, the spigot-and-socket end is inserted into a sleeve joint, welding operation is carried out on a construction site, and sealing operation is carried out by utilizing an electric welding seam.
3. A screw type thick-wall sounding pipe is adopted, one end of the thick-wall sounding pipe is welded with a threaded screw port joint with the inner diameter slightly larger than the outer diameter of the sounding pipe, a screw cap is firstly arranged at the other end of the thick-wall sounding pipe, then a socket joint with the outer diameter identical to the outer diameter of the sounding pipe is welded to be used as a socket end, an O-shaped sealing ring is arranged at the position of the socket end, the socket end is inserted into the threaded screw port joint, and the O-shaped sealing ring is extruded by screwing the screw cap, so that the sealing effect is achieved.
The plastic steel sound measuring tube adopts a high-frequency welded tube with the wall thickness of 1.0 to 1.8 mm, plastic with the wall thickness of 2.0 to 3.0 mm is externally coated, the plastic steel sound measuring tube is simply called as the plastic steel sound measuring tube, a steel tube with a soft material is utilized, the wall thickness is 1.0 to 1.8 mm, the inner diameter is slightly larger than the outer diameter of the plastic steel sound measuring tube, the plastic steel sound measuring tube is cut into a sleeve with the length of about 12 cm, one end of the plastic steel sound measuring tube is extruded and connected in a factory, the plastic steel sound measuring tube is inserted into the sleeve, and the plastic steel sound measuring tube is extruded and installed on site by utilizing a hydraulic clamp.
In summary, the above-mentioned several ways all require the final connection to be completed on the construction site, i.e. there are problems of high requirements for site operation and difficult to achieve technical requirements in different degrees, for example, the problem that the extrusion pliers are not in place, the sleeve and the acoustic tube are easy to fall off, and the joint is easy to leak water; in addition, if the welding seam of workers is not welded in place, water leakage is very common; if screw connection is adopted, the processing difficulty is great, the cost is high, and the installation is difficult on site.
The acoustic tube and the acoustic tube connecting device are considered to be of disposable use, the joint is firmly connected, bending and falling off are avoided during transportation and installation, water leakage is avoided, and the requirements can be met. Therefore, it is necessary to break through the materials, structures and processes to develop a connection device that is low in cost and capable of solving the above problems.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the problem of high field construction requirement in the prior art is solved. Specifically, under the condition of meeting the stress requirement of the sounding pipe, the connecting device which is light in weight, can be produced in a factory and can be installed on site quickly, conveniently and firmly is developed by utilizing the characteristics of plastics.
The invention aims to achieve the purpose, and provides a connecting device of a sound measuring tube, which comprises a male connector, a female connector and a sleeve; the female joint comprises a female joint connecting pipe and a receiving steel pipe which are coaxial, the male joint comprises a male joint connecting pipe and a receiving steel pipe which are coaxial, and the sleeve, the female joint connecting pipe and the male joint connecting pipe are all made of plastics; one end face of the bearing steel pipe is marked as an end face Y, a part, which is distant from the end face Y by the length L, of the bearing steel pipe is marked as a welding section, a plurality of through holes are uniformly distributed on the wall of the bearing steel pipe of the welding section along the radial direction, L is more than or equal to 20mm, and the length L4 of a non-welding section of the bearing steel pipe is more than or equal to 25mm;
A welding section for receiving the steel pipe is pre-buried in the wall of the female joint connecting pipe by taking one end face of the female joint connecting pipe as a starting point, and is welded with the female joint connecting pipe into a whole through plastics condensed in the through hole in the hot melting process; the length L2 of the non-welding part of the female joint connecting pipe is more than or equal to 20mm; an external thread is arranged on the outer wall of the non-welding part of the female joint connecting pipe; the inner diameter of the female joint connecting pipe is recorded as D 2;
The male joint connecting pipe is divided into an inserting section and a connecting section along the axial direction, the inner diameter of the inserting section is the same as the inner diameter D 2 of the female joint connecting pipe, the outer diameter of the connecting section is at least 0.3mm smaller than the inner diameter D 2 of the female joint connecting pipe, a welding section for receiving the steel pipe is pre-buried in the wall of the inserting section, and the welding section and the male joint connecting pipe are welded into a whole through plastic condensed in a through hole in the hot melting process; a sealing ring is arranged on the outer wall of the root of the connecting section and the inserting section; the length of the connecting section is at least 2mm shorter than the length of the part of the female joint connecting pipe provided with the external thread;
The inner wall of the sleeve is fully provided with an internal thread corresponding to the external thread, the inner diameter of one end tail part is reduced to form an annular tail part, the inner diameter of the annular tail part is D 1,D1 which is more than 0.3 mm and less than the outer diameter of the insertion section of the male joint connecting pipe to be connected, the length of the sleeve is the sum of the length of the external thread part, the length of the insertion section of the male joint connecting pipe and the length of the annular tail part;
The method comprises the steps that a non-welding part of a receiving steel pipe on a male joint connecting pipe is fixedly connected with one sound measuring pipe to be connected, a non-welding part of a receiving steel pipe on a female joint connecting pipe is fixedly connected with another sound measuring pipe to be connected, then a connecting section of the male joint connecting pipe is inserted into the non-welding part of the female joint connecting pipe, a sleeve is sleeved outside the male joint connecting pipe and the female joint connecting pipe, an annular tail is clamped on the end face of the tail of the male joint connecting pipe, and the sleeve is locked with external threads through internal threads to complete connection of the two sound measuring pipes to be connected.
Preferably, the securing includes two ways: if the to-be-connected sound tube is a plastic steel sound tube, the fixedly connected fingers are connected by extrusion of a hydraulic clamp; if the sound tube to be connected is a steel sound tube, the fixedly connection means welding.
Preferably, a plurality of strip-shaped protrusions along the axial direction are uniformly distributed on the outer wall of the non-welding part of the female joint connecting pipe, and a plurality of strip-shaped protrusions along the axial direction are uniformly distributed on the outer wall of the sleeve.
Preferably, the length of the annular tail part is larger than 3mm, the thread heights of the internal thread and the external thread are 3mm-5mm, the wall thickness of the receiving steel pipe is 1mm-2.5mm, and the wall thicknesses of the male joint connecting pipe, the female joint connecting pipe and the sleeve are 3mm-5mm.
Preferably, if the acoustic pipe to be connected is a plastic steel acoustic pipe, the wall thickness of the steel pipe is 1.0mm-1.8mm, and the length is 70mm-12mm; if the acoustic tube to be connected is a steel acoustic tube, the wall thickness of the steel tube is 1.5mm-3.0mm, and the length is 50mm-80mm.
The invention has the beneficial effects that:
1. The smaller diameter joint is adopted, so that the diameter of the joint is as small as possible under the condition of meeting the stress, and the packing and the transportation are convenient;
2. On the premise of ensuring the drawing force between the connecting device and the connecting pipe to be connected, the overlapping part of the connecting device and the connecting pipe to be connected is as short as possible so as to reduce the cost;
3. And a 3D printing technology is utilized to make a sample, the joint is optimally designed through repeated experiments, and the wall thickness is reduced on the premise that the longitudinal tensile force of the sounding pipe is more than 300 kg, so that the weight of the joint is reduced, and the cost of the joint is reduced.
(4) The male connector and the female connector consider limiting and guiding devices in design, so that workers can install the male connector and the female connector in factories and on site simply, and human errors are reduced as much as possible; the limiting device is an annular tail part, and the guiding device is a gap delta 1 reserved between the connecting section of the male joint connecting pipe and the non-welding part of the female joint connecting pipe, and the gap plays a guiding role;
(5) The outer side of the outer sleeve is provided with the convex ribs, so that the outer sleeve can be tightened by using a crescent wrench, and the problem that a worker cannot connect in place is solved;
(6) The connection of each part in the male connector and the female connector, the connection of the male connector and the female connector with the connecting pipe to be connected are all completed in a factory, the construction site only needs to tighten the screw mouths of the female connector and the outer sleeve, the difficult problems of on-site hydraulic clamp connection and on-site welding are solved, and the goals of factory production and on-site assembly are truly realized.
(7) The three-piece sleeve with the male connector, the female connector and the sleeve can be designed by adopting a three-dimensional drawing and processed by utilizing a die, so that the precision is high, the installation difficulty is reduced, and the reliability of connection is ensured.
Drawings
FIG. 1 is an exploded view of the external structure of the connecting device of the present invention;
FIG. 2 is a schematic view showing the internal structure of a sleeve in the connecting device of the present invention;
FIG. 3 is a schematic view showing the external structure of a receiving steel pipe in the connecting device of the present invention;
FIG. 4 is a schematic view of the assembly structure of the connecting device of the present invention;
FIG. 5 is a schematic view showing the use state of the connecting device of the present invention.
Wherein, 1, the sleeve pipe; 2. a female joint connecting pipe; 3. a male connector connecting tube; 4. receiving a steel pipe; 5. connecting pipes; 6. an external thread; 7. an internal thread; 8. a seal ring; 9. an annular step; 10. strip-shaped bulges; 11. and a through hole.
Detailed Description
The present invention will be described in detail by way of examples.
Fig. 1 is an exploded view of the external structure of the connecting device of the present invention, fig. 2 is a view of the internal structure of the sleeve in the connecting device of the present invention, and fig. 3 is a view of the external structure of the receiving steel pipe in the connecting device of the present invention. As can be seen from fig. 1,2 and 3, the connecting device of the present invention is a three-piece set, specifically comprising a male connector, a female connector and a sleeve 1; the female joint comprises a female joint connecting pipe 2 and a receiving steel pipe 4 which are coaxial, the male joint comprises a male joint connecting pipe 3 and a receiving steel pipe 4 which are coaxial, and the sleeve 1, the female joint connecting pipe 2 and the male joint connecting pipe 3 are all made of plastics.
One end face of the bearing steel pipe 4 is marked as an end face Y, a part, which is distant from the end face Y by the length L, of the bearing steel pipe 4 is marked as a welding section, a plurality of through holes 11 are uniformly distributed on the wall of the bearing steel pipe 4 of the welding section along the radial direction, L is more than or equal to 20mm, and the length L4 of a non-welding section of the bearing steel pipe 4 is more than or equal to 25mm.
The length L and the length L4 are obtained according to repeated tests, and the aim is that the connecting force of the connecting device and two to-be-connected pipes after the connecting device and the two to-be-connected pipes are connected is more than 300 kg.
A welding section for receiving the steel pipe 4 is pre-buried in the wall of the female joint connecting pipe 2 by taking one end face of the female joint connecting pipe 2 as a starting point, and is welded with the female joint connecting pipe 2 into a whole through plastic condensed in the through hole 11 in the hot melting process; the length L2 of the non-welding part of the female joint connecting pipe 2 is more than or equal to 20mm; an external thread 6 is arranged on the outer wall of the non-welding part of the female joint connecting pipe 2; the inner diameter of the female joint connection pipe 2 is denoted as D 2.
The male joint connecting pipe 3 is divided into an inserting section and a connecting section along the axial direction, the inner diameter of the inserting section is the same as the inner diameter D 2 of the female joint connecting pipe 2, the outer diameter of the connecting section is at least 0.3mm smaller than the inner diameter D 2 of the female joint connecting pipe 2, a welding section for receiving the steel pipe 4 is pre-buried in the wall of the inserting section, and the welding section and the male joint connecting pipe 3 are welded into a whole through plastic condensed in the through hole 11 in the hot melting process; a sealing ring 8 is arranged on the outer wall of the root of the connecting section and the inserting section; the length of the connection section is at least 2mm shorter than the length of the portion of the female connection tube 2 where the external thread 6 is provided.
The length of the connecting section in the male joint connecting pipe 3 is at least 2mm shorter than the length of the part of the female joint connecting pipe 2 provided with the external thread 6, so that the sealing ring 8 is extruded when the male joint and the female joint are connected, and the tightness is improved.
The inner wall of the sleeve 1 is fully provided with an internal thread 7 corresponding to the external thread 6, the inner diameter of one end tail part is reduced to form an annular tail part 9, the inner diameter of the annular tail part 9 is D 1,D1 which is more than 0.3 mm and less than the outer diameter of the inserted section of the male joint connecting pipe 3 by more than 2 mm, and the length of the sleeve 1 is the sum of the length of the external thread 6 part, the length of the inserted section of the male joint connecting pipe 3 and the length of the annular tail part 9 part.
The purpose of limiting the size of the D 1 is to facilitate movement and to play a limiting role. After the male connector and the female connector are connected, the female connector and the male connector which are subjected to axial tension are prevented from falling off through the limit.
The non-welded part of the receiving steel pipe 4 on the male joint connecting pipe 3 is fixedly connected with one sound measuring pipe 5 to be connected, the non-welded part of the receiving steel pipe 4 on the female joint connecting pipe 2 is fixedly connected with the other sound measuring pipe 5 to be connected, then the connecting section of the male joint connecting pipe 3 is inserted into the non-welded part of the female joint connecting pipe 2, the sleeve 1 is sleeved outside the male joint connecting pipe 3 and the female joint connecting pipe 2, the annular tail 9 is clamped on the end face of the tail of the male joint connecting pipe 3, and the sleeve 1 is locked with the external thread 6 through the internal thread 7 to complete the connection of the two sound measuring pipes to be connected. Fig. 4 is a schematic structural view of the assembled connecting device of the present invention, and fig. 5 is a schematic use state of the connecting device of the present invention.
In this embodiment, a plurality of strip-shaped protrusions 10 along the axial direction are uniformly distributed on the outer wall of the non-welding portion of the female joint connection pipe 2, and a plurality of strip-shaped protrusions 10 along the axial direction are uniformly distributed on the outer wall of the sleeve 1. The purpose of laying a plurality of strip-shaped bulges on the outer wall of the sleeve 1 is to facilitate the special crescent wrench to screw the sleeve, and the purpose of laying a plurality of strip-shaped bulges on the outer wall of the female joint connecting pipe 2 is to facilitate the holding. In this embodiment, the bump height is 3mm.
In this embodiment, the length of the annular tail portion 9 is greater than 3mm, the thread heights of the internal thread 7 and the external thread 6 are 3mm-5mm, the wall thickness of the receiving steel pipe 4 is 1mm-2.5mm, and the wall thicknesses of the male joint connecting pipe 2, the female joint connecting pipe 3 and the sleeve 1 are 3mm-5mm.
In the embodiment, if the to-be-connected sound tube 5 is a plastic steel sound tube, the wall thickness of the steel tube 4 is 1.0mm-1.8mm, and the length is 70mm-12mm; if the to-be-connected acoustic pipe 5 is a steel acoustic pipe, the wall thickness of the steel pipe 4 is 1.5mm-3.0mm, and the length is 50mm-80mm.
In this embodiment, the fastening includes two ways: if the to-be-connected sound tube 5 is a plastic steel sound tube, the fixedly connected fingers are connected by extrusion of a hydraulic clamp; if the sound tube 5 to be connected is a steel sound tube, the fixing means welding. The hydraulic pliers extrusion connection and welding are performed in a factory.
The three-piece installation, namely the male connector, the female connector and the sleeve 1, is essentially done in the factory. Specifically, the sleeve 1 and the male connector are connected with one acoustic tube 5 to be connected in a factory, and then the female connector is connected with the other acoustic tube 5 to be connected. In the construction site, the installation of the sound tube can be completed by only inserting the male joint connecting tube 3 into the female joint connecting tube 2 along the axial direction and then screwing the sleeve 1.
The main connection is carried out in a factory, so that the connection reliability is ensured, and the possibility of water leakage and falling off is reduced.
Claims (5)
1. The connecting device of the sound tube is characterized by comprising a male connector, a female connector and a sleeve (1); the female joint comprises a female joint connecting pipe (2) and a receiving steel pipe (4) which are coaxial, the male joint comprises a male joint connecting pipe (3) and a receiving steel pipe (4) which are coaxial, and the materials of the sleeve (1), the female joint connecting pipe (2) and the male joint connecting pipe (3) are all plastics; one end face of the bearing steel pipe (4) is marked as an end face Y, a part, which is distant from the end face Y by L, of the bearing steel pipe (4) is marked as a welding section, a plurality of through holes (11) are uniformly distributed on the wall of the bearing steel pipe (4) of the welding section along the radial direction, L is more than or equal to 20mm, and the length L4 of a non-welding section of the bearing steel pipe (4) is more than or equal to 25mm;
A welding section for receiving the steel pipe (4) is pre-buried in the wall of the female joint connecting pipe (2) by taking one end face of the female joint connecting pipe (2) as a starting point, and is welded with the female joint connecting pipe (2) into a whole through plastic condensed in the through hole (11) in the hot melting process; the length L2 of the non-welding part of the female joint connecting pipe (2) is more than or equal to 20mm; an external thread (6) is arranged on the outer wall of the non-welding part of the female joint connecting pipe (2); the inner diameter of the female joint connecting pipe (2) is recorded as D 2;
The male joint connecting pipe (3) is divided into an inserting section and a connecting section along the axial direction, the inner diameter of the inserting section is the same as the inner diameter D 2 of the female joint connecting pipe (2), the outer diameter of the connecting section is at least 0.3mm smaller than the inner diameter D 2 of the female joint connecting pipe (2), a welding section for receiving the steel pipe (4) is embedded in the wall of the inserting section, and the welding section and the male joint connecting pipe (3) are welded into a whole through plastic condensed in the through hole (11) in the hot melting process; a sealing ring (8) is arranged on the outer wall of the root of the connecting section and the inserting section; the length of the connecting section is at least 2mm shorter than the length of the part of the female joint connecting pipe (2) provided with the external thread (6);
an inner thread (7) corresponding to the external thread (6) is distributed on the inner wall of the sleeve (1), an annular tail (9) is formed by reducing the inner diameter of one end tail, the inner diameter of the annular tail (9) is D 1,D1 which is 0.3 mm larger than the outer diameter of a sound tube to be connected and 2mm smaller than the outer diameter of an insertion section of the male joint connecting tube (3), and the length of the sleeve (1) is the sum of the length of the external thread (6), the length of the insertion section of the male joint connecting tube (3) and the length of the annular tail (9);
Fixedly connecting a non-welded part of a receiving steel pipe (4) on the male joint connecting pipe (3) with one sound measuring pipe (5) to be connected, fixedly connecting a non-welded part of the receiving steel pipe (4) on the female joint connecting pipe (2) with the other sound measuring pipe (5) to be connected, inserting a connecting section of the male joint connecting pipe (3) into the non-welded part of the female joint connecting pipe (2), sleeving a sleeve (1) outside the male joint connecting pipe (3) and the female joint connecting pipe (2), clamping an annular tail part (9) on the end face of the tail part of the male joint connecting pipe (3), and locking the sleeve (1) with an external thread (6) through an internal thread (7) to finish the connection of the two sound measuring pipes to be connected;
the connecting force of the connecting device and the two to-be-connected sounding pipes is more than 300 kg after the connecting device is connected with the two to-be-connected sounding pipes.
2. The device for connecting a sound tube according to claim 1, wherein the fastening comprises two ways: if the to-be-connected sound tube (5) is a plastic steel sound tube, the fixedly connected fingers are connected by extrusion of a hydraulic clamp; if the sound tube (5) to be connected is a steel sound tube, the fixedly connection means welding.
3. The connecting device of the sound tube according to claim 1, wherein a plurality of strip-shaped protrusions (10) along the axial direction are uniformly distributed on the outer wall of the non-welding portion of the female joint connecting tube (2), and a plurality of strip-shaped protrusions (10) along the axial direction are uniformly distributed on the outer wall of the sleeve (1).
4. A connecting device for a sound tube according to claim 1, characterized in that the length of the annular tail (9) is more than 3mm, the thread height of the internal thread (7) and the external thread (6) is 3mm-5mm, the wall thickness of the receiving steel tube (4) is 1mm-2.5mm, and the wall thickness of the male joint connecting tube (3), the female joint connecting tube (2) and the sleeve (1) is 3mm-5mm.
5. The connecting device of the sound tube according to claim 1, wherein if the sound tube (5) to be connected is a plastic steel sound tube, the wall thickness of the receiving steel tube (4) is 1.0mm-1.8mm, and the length is 70mm-120mm; if the acoustic tube (5) to be connected is a steel acoustic tube, the wall thickness of the receiving steel tube (4) is 1.5mm-3.0mm, and the length is 50mm-80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210354269.4A CN114810756B (en) | 2022-04-02 | 2022-04-02 | Connecting device of sound measurement tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210354269.4A CN114810756B (en) | 2022-04-02 | 2022-04-02 | Connecting device of sound measurement tube |
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| Publication Number | Publication Date |
|---|---|
| CN114810756A CN114810756A (en) | 2022-07-29 |
| CN114810756B true CN114810756B (en) | 2024-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210354269.4A Active CN114810756B (en) | 2022-04-02 | 2022-04-02 | Connecting device of sound measurement tube |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115198817A (en) * | 2022-08-30 | 2022-10-18 | 中国十七冶集团有限公司 | Bridge pile foundation sounding pipe firm in installation and construction method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201696760U (en) * | 2010-04-09 | 2011-01-05 | 燕明 | Sound detecting pipe threaded connection joint device |
| CN111486279A (en) * | 2019-01-29 | 2020-08-04 | 中国石油化工股份有限公司 | Adjustable ground lining pipeline union joint |
| CN217272725U (en) * | 2022-04-02 | 2022-08-23 | 安徽昌宁新材料有限公司 | Connecting device of plastic sounding pipe |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916469A (en) * | 2005-08-15 | 2007-02-21 | 万平华 | Composite tube of aluminium and plastic useful for heat melting connection |
| CN205956626U (en) * | 2016-08-12 | 2017-02-15 | 浙江威邦机电科技有限公司 | Device for connecting be used for water circulation treatment equipment |
| CN114233941A (en) * | 2022-01-22 | 2022-03-25 | 张志民 | Steel-plastic composite steel-plastic connecting gathering and transportation pipeline without repaired mouth and processing method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201696760U (en) * | 2010-04-09 | 2011-01-05 | 燕明 | Sound detecting pipe threaded connection joint device |
| CN111486279A (en) * | 2019-01-29 | 2020-08-04 | 中国石油化工股份有限公司 | Adjustable ground lining pipeline union joint |
| CN217272725U (en) * | 2022-04-02 | 2022-08-23 | 安徽昌宁新材料有限公司 | Connecting device of plastic sounding pipe |
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