PE steel wire mesh framework pipe

Abstract

The utility model relates to the technical field of steel wire mesh framework pipes, in particular to a PE steel wire mesh framework pipe which comprises a main body pipe connected through a clamping mechanism, the main body pipe comprises an outer protection pipe, a high-temperature-resistant layer, a corrosion-resistant layer, a steel wire mesh main body, a thermoplastic elastomer layer and a PE inner pipe, and a monitoring assembly is arranged in the main body pipe. The hoop mechanism comprises two semicircular hoop bodies which are symmetrically hinged through a rotating shaft and a clamping and fixing assembly. The high-temperature-resistant layer and the corrosion-resistant layer effectively protect the PE inner pipe from being corroded and damaged by outside harmful substances, the thermoplastic elastomer layer can provide necessary space for deformation of the PE inner pipe due to thermal expansion and cold contraction, the hoop mechanism replaces traditional connection modes such as welding and hot melting, operation is quicker and simpler, and the service life of the PE inner pipe is prolonged. And by arranging the monitoring assembly, whether gas or liquid in the main body pipe leaks or not can be found in time, and therefore normal work of related equipment is affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel wire mesh skeleton pipe technical field, and specifically relates to PE steel wire mesh skeleton pipe. BACKGROUND

[0002] In the traditional PE steel wire mesh skeleton pipe manufacturing process, high density polyethylene (HDPE) is usually used to composite with steel wire mesh skeleton to enhance the mechanical properties and pressure resistance of the pipe. However, the traditional method has certain deficiencies in the production and application process, such as difficult pipe interface connection, complex installation, poor sealing performance and other problems, which to some extent limit the use range and construction efficiency of the pipe.

[0003] The utility model discloses a kind of PE steel wire mesh skeleton composite pipes with the utility model patent for grant announcement No.CN221824710U, including composite pipe main body, inner tube is equipped in the composite pipe main body, and first adhesive layer is coated on the outer side of inner tube, and steel wire mesh skeleton is wound on the first adhesive layer, second adhesive layer is also coated on the outer side of steel wire mesh skeleton, and heat preservation layer is wound on the second adhesive layer, reinforcing rib is uniformly distributed on the side of heat preservation layer, and the outer side of reinforcing rib and heat preservation layer is coated with third adhesive layer, and third adhesive layer outer side is equipped with outer tube. The PE steel wire mesh skeleton composite pipe is provided with heat preservation layer that is spirally wound on the outer side of steel wire mesh skeleton, so that the composite pipe has the function of heat preservation, and the fastening of steel wire mesh skeleton is improved, while reinforcing rib is provided on the outer side of heat preservation layer, which can further strengthen the pressure resistance and deformation resistance of the composite pipe, so that the composite pipe is suitable for various complex engineering environments.

[0004] Although the above technical scheme designs a relatively stable PE steel wire mesh skeleton pipe through a series of structural elements, its structure is relatively simple and single in function, such as not breaking the traditional connection method (such as welding, hot melting) in connection method, and not giving an effective and implementable technical scheme in leak detection, which cannot meet the needs of the rapidly developing pipeline technology field today. In view of this, we propose an effective and implementable scheme to solve the above deficiencies, namely PE steel wire mesh skeleton pipe. UTILITY MODEL CONTENT

[0005] In view of the above defects or deficiencies in the prior art, it is desirable to provide a PE steel wire mesh skeleton pipe.

[0006] In a first aspect, the application provides a PE wire mesh skeleton pipe, comprising a plurality of main pipes connected in sequence by a clamp mechanism, the main pipe comprising, from the outside to the inside, an outer protective pipe, a high-temperature-resistant layer, a corrosion-resistant layer, a wire mesh main body, a thermoplastic elastomer layer, and a PE inner pipe, the outer peripheral wall of the outer protective pipe near the pipe opening being integrally formed with a plurality of equally spaced clamping rings, the side wall of the main pipe being provided with a monitoring assembly, the monitoring assembly comprising a retaining tube penetrating through the side wall of the main pipe and communicating with the inside of the main pipe, the inside of the retaining tube being provided with a membrane bag communicating with the inside of the main pipe, the inner wall of the retaining tube being provided with an infrared sensor, the top surface of the outside of the retaining tube being provided with an alarm, and the clamp mechanism comprising two semicircular clamp bodies symmetrically hinged by a rotating shaft, each of the two semicircular clamp bodies being integrally formed with a clamping plate at the end away from the rotating shaft, and the two clamping plates being clamped by a plurality of clamping assemblies arranged side by side.

[0007] According to the technical scheme provided by the embodiments of the application, the outer protective pipe, the high-temperature-resistant layer, the corrosion-resistant layer, the wire mesh main body, the thermoplastic elastomer layer, and the PE inner pipe are bonded and connected by high-strength hot melt adhesive, and the open edge of the bottom end of the membrane bag is fixedly connected with the open end of the bottom of the retaining tube.

[0008] According to the technical scheme provided by the embodiments of the application, the infrared sensor is arranged on the inner wall of the retaining tube above the membrane bag, and the infrared sensor is signal-connected with the alarm.

[0009] According to the technical scheme provided by the embodiments of the application, the inner wall of the semicircular clamp body is provided with clamping grooves that are shaped to match, equal in number, and one-to-one corresponding to the clamping rings on the adjacent two main pipes, and each of the clamping grooves is provided with a sealing gasket.

[0010] According to the technical scheme provided by the embodiments of the application, the opposite surfaces of the two clamping plates are each provided with a rubber pad, and the wall surfaces of the two clamping plates facing away from each other are respectively provided with equal numbers of bolts and clamping assemblies in one-to-one correspondence.

[0011] According to the technical scheme provided by the embodiments of the application, the clamping assembly comprises a connecting rod, one end of the connecting rod being fixedly connected with the clamping plate where it is located by a limiting telescopic rod, the outer side of the limiting telescopic rod being sleeved with a spring having two ends fixedly connected with the connecting rod and the clamping plate, the end of the connecting rod away from the limiting telescopic rod being rotatably connected with an L-shaped rotating rod, and the outer side wall of the end of the L-shaped rotating rod away from the connecting rod being provided with a bolt hole corresponding to the bolt for accommodating the clamping of the bolt.

[0012] According to the technical scheme provided in the embodiment of the application, the length of the spring in a natural state is less than or equal to the maximum length of the limiting telescopic rod, and the shortest compressed length of the spring is greater than or equal to the minimum length of the limiting telescopic rod; when the spring is compressed to the shortest state, the bolt body is separated from the bolt hole; when the limiting telescopic rod is stretched to the longest, the bolt body is inserted into the corresponding bolt hole.

[0013] To sum up, the technical scheme specifically discloses a PE wire mesh skeleton pipe, which comprises a main pipe connected and docked through a clamp mechanism, the main pipe comprises, from outside to inside, an outer protective pipe, a high-temperature-resistant layer, a corrosion-resistant layer, a wire mesh main body, a thermoplastic elastomer layer and a PE inner pipe, a monitoring assembly is arranged in the side wall of the main pipe, the monitoring assembly comprises a retaining pipe, a film bag is arranged in the retaining pipe, an infrared sensor is arranged on the inner wall of the retaining pipe, and an alarm is arranged on the top surface of the retaining pipe, and the clamp mechanism comprises two semicircular clamp main bodies symmetrically hinged through a rotating shaft and a plurality of clamping assemblies; the high-temperature-resistant layer 12 and the corrosion-resistant layer 13 are arranged to effectively protect the PE inner pipe 16 from being corroded and damaged by harmful substances in the outside world, thereby prolonging the service life of the PE inner pipe 16; the thermoplastic elastomer layer 15 is arranged to provide necessary space for the PE inner pipe 16 to deform due to thermal expansion and cold contraction; the clamp mechanism 2 replaces the traditional welding, hot melting and other connection modes, and the operation is faster and simpler, thereby improving the work efficiency; finally, the monitoring assembly 3 is arranged to timely find out whether gas or liquid in the main pipe 1 leaks, thereby affecting the normal work of related equipment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Other features, objects, and advantages of the application will become more apparent from the following detailed description of non-limiting embodiments, which is to be read in conjunction with the accompanying drawings:

[0015] Figure 1 It is a schematic view of the overall structure connection mode and the main pipe structure of the utility model;

[0016] Figure 2 It is a schematic view of the overall structure of the utility model;

[0017] Figure 3 It is a sectional view of the overall structure and the connection mode of the utility model;

[0018] Figure 4 It is Figure 3 It is an enlarged structure schematic view of position A in the utility model;

[0019] Figure 5 It is a structure schematic view of the clamp mechanism in the utility model;

[0020] Figure 6 It is a structure schematic view of the clamping assembly in the utility model;

[0021] In the drawings:

[0022] 1. main pipe; 11. outer protective pipe; 12. high temperature resistant layer; 13. corrosion resistant layer; 14. steel wire mesh main body; 15. thermoplastic elastomer layer; 16. PE inner pipe; 17. clamping ring;

[0023] 2. clamp mechanism; 21. rotating shaft; 22. semicircular clamp main body; 23. clamping groove; 24. clamping plate; 25. rubber pad; 26. bolt body; 27. clamping assembly; 271. connecting rod; 272. limiting telescopic rod; 273. spring; 274. L-shaped rotating rod; 275. bolt hole;

[0024] 3. monitoring assembly; 31. retaining tube; 32. membrane bag; 33. infrared sensor; 34. alarm. DETAILED DESCRIPTION

[0025] The application will be further described below in conjunction with the drawings and examples. It should be understood that the specific examples described herein are merely intended to explain the relevant utility model, and not to limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description.

[0026] It should be noted that the examples in the present application and the features in the examples can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in conjunction with the examples.

[0027] Please refer to Figures 1-6 , the PE steel wire mesh skeleton pipe comprises a plurality of main pipes 1 connected and butted in sequence through the clamp mechanism 2, and the main pipe 1 comprises, from the outside to the inside, an outer protective pipe 11, a high temperature resistant layer 12, a corrosion resistant layer 13, a steel wire mesh main body 14, a thermoplastic elastomer layer 15, and a PE inner pipe 16. The outer protective pipe 11, the high temperature resistant layer 12, and the corrosion resistant layer 13 can effectively protect the PE inner pipe 16 from being corroded and damaged by harmful substances from the outside, thereby prolonging the service life of the PE inner pipe 16. The steel wire mesh main body 14 can enhance the overall pressure resistance of the main pipe 1. The thermoplastic elastomer layer 15 can provide the necessary space for the PE inner pipe 16 to deform due to thermal expansion and contraction, thereby protecting the PE inner pipe 16 from being damaged;

[0028] Specifically, the clamp mechanism 2 comprises two semicircular clamp main bodies 22 symmetrically hinged through a rotating shaft 21, and each semicircular clamp main body 22 is integrally formed with a clamping plate 24 at the end away from the rotating shaft 21. The two clamping plates 24 are clamped by a plurality of clamping assemblies 27 arranged side by side. When connecting a plurality of connected and butted main pipes 1, the clamp mechanism 2 is used instead of the traditional welding, hot melting, and other connection methods, which is more quick and simple to operate, thereby improving the work efficiency;

[0029] Specifically, the outer protective pipe 11 is integrally formed with a plurality of clamping rings 17 at the outer peripheral wall near the pipe opening, the inner wall of the semicircular clamping hoop body 22 is provided with a plurality of clamping grooves 23 which are in shape, equal in number and one-to-one corresponding to the clamping rings 17 on the adjacent two main pipes 1, a sealing gasket is arranged in each of the clamping grooves 23, and the clamping ring 17 is clamped in position with the clamping groove 23 to more accurately position the main pipes 1 to be connected and the main pipes 1, facilitating the next step of fixing and connecting, and the sealing gasket can enhance the tightness of the connection.

[0030] Further, the opposite faces of the two clamping plates 24 are each provided with a rubber pad 25 which not only has an anti-skid effect but also enhances the tightness of the connection, and the wall surfaces of the two clamping plates 24 facing away from each other are respectively provided with a plurality of bolt bodies 26 and clamping assemblies 27 which are equal in number and one-to-one corresponding in position, the clamping assembly 27 comprises a connecting rod 271, one end of the connecting rod 271 is fixedly connected to the clamping plate 24 where it is located through a limiting telescopic rod 272, the outer side of the limiting telescopic rod 272 is sleeved with a spring 273 which is fixedly connected to the connecting rod 271 and the clamping plate 24 at both ends, the end of the connecting rod 271 away from the limiting telescopic rod 272 is rotatably connected with an L-shaped rotating rod 274, and the outer side wall of the end of the L-shaped rotating rod 274 away from the connecting rod 271 is provided with a bolt hole 275 at a position corresponding to the bolt body 26, when the clamping ring 17 is clamped in position with the clamping groove 23 to complete the initial positioning and connection between the main pipes 1 to be connected and the main pipes 1, the two clamping plates 24 are simultaneously pinched by hand to make the two semicircular clamping hoop bodies 22 move in opposite directions under the action of the rotating shaft 21 until the two clamping plates 24 abut against each other, then the connecting rod 271 is pulled upward to compress the spring 273 to the shortest state, and then the L-shaped rotating rod 274 is rotated until the bolt hole 275 is located directly above the bolt body 26, at this time, the force exerted on the connecting rod 271 is released, and under the action of the spring 273, the L-shaped rotating rod 274 moves downward, at this time, the bolt hole 275 also moves downward to insert the bolt body 26 into the bolt hole 275, thereby completing the connection between the main pipes 1 and the main pipes 1.

[0031] It should be noted that the natural length of the spring 273 is less than or equal to the maximum length of the limiting telescopic rod 272, and the shortest compressed length of the spring 273 is greater than or equal to the minimum length of the limiting telescopic rod 272; when the spring 273 is compressed to the shortest state, the bolt body 26 is separated from the bolt hole 275; when the limiting telescopic rod 272 is stretched to the longest, the bolt body 26 is inserted into the corresponding bolt hole 275, and these limiting conditions provide executable technical indicators for the above connection method.

[0032] In the embodiment, the monitoring assembly 3 is arranged in the sidewall of the main pipe 1, the monitoring assembly 3 comprises a retaining pipe 31 penetrating through the sidewall of the main pipe 1 and communicating to the inside of the main pipe 1, the retaining pipe 31 is internally provided with a membrane bag 32 communicating with the inside of the main pipe 1, the bottom end open edge of the membrane bag 32 is fixedly connected with the bottom opening end of the retaining pipe 31, the inner wall of the retaining pipe 31 is provided with an infrared sensor 33, and the external top surface of the retaining pipe 31 is provided with an alarm 34; through the arrangement of the monitoring assembly 3, whether the gas or liquid in the main pipe 1 leaks can be found in time, so as to affect the normal work of the related equipment.

[0033] Specifically, the infrared sensor 33 is arranged on the inner wall of the retaining pipe 31 above the membrane bag 32, the infrared sensor 33 is signal-connected with the alarm 34, if the gas or liquid in the main pipe 1 does not leak, the internal space of the membrane bag 32 is always occupied by the gas or liquid in the main pipe 1, the membrane bag 32 is in the highest position, at this time, the infrared sensor 33 does not detect abnormal phenomenon and does not send a signal to the alarm 34; if the gas or liquid in the main pipe leaks, the internal space of the membrane bag 32 collapses due to insufficient gas pressure, at this time, the infrared sensor 33 detects abnormal phenomenon and sends a signal to the alarm 34, the staff can timely leak detection work, so as to avoid affecting the normal work of the corresponding machine equipment.

[0034] Finally, it should be noted that the infrared sensor 33, the alarm 34 and other components involved in the utility model are all general standard components or components known to those skilled in the art, the structure and principle of which can be known by the technical personnel through the technical manual or through the conventional experimental method, all the electrical components in the idle place of the device are connected through wires, the specific connection means should refer to the working principle in the utility model, the electrical components are electrically connected according to the working order, and the detailed connection means are all known technologies in the art.

[0035] Working principle: in use, the worker will need to connect the two adjacent main pipe 1 with the pipe orifice part with the card solid ring 17 into the card solid groove 23 respectively, at this time, pinch the two card solid plate 24 with hand and make the two semicircle card hoop main body 22 make the opposite rotating movement under the action of the rotating shaft 21, until the two card solid plates 24 abut each other, then pull the connecting rod 271 upward to make the spring 273 compress to the shortest state, then rotate the L-shaped rotating rod 274 until the bolt hole 275 is located above the bolt body 26, at this time, release the force action on the connecting rod 271, under the action of the spring 273, the L-shaped rotating rod 274 will move downward, at this time the bolt hole 275 will also move downward, insert the bolt body 26 in the bolt hole 275, so as to complete the connection work between the main pipe 1 and the main pipe 1; if the gas or liquid in the main pipe 1 does not leak, the internal space of the membrane bag 32 is always occupied by the gas or liquid in the main pipe 1, the membrane bag 32 is in the highest position, at this time, the infrared sensor 33 does not detect abnormal phenomenon, does not send signal to the alarm 34; if the gas or liquid in the main pipe leaks, the internal space of the membrane bag 32 will collapse due to insufficient air pressure, at this time, the infrared sensor 33 will detect abnormal phenomenon and send signal to the alarm 34, the worker will timely carry out leak detection work to avoid affecting the normal work of the corresponding machine equipment.

[0036] The above description is only the preferred embodiment of the present application and the explanation of the applied technical principles. Those skilled in the art should understand that the utility model range involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by the above technical features or their equivalent features in any combination without departing from the utility model concept. For example, the above features are replaced with the technical features disclosed in the present application (but not limited to) with similar functions to form technical solutions.

Claims

1. PE steel wire mesh framework pipe, characterized in that: The utility model provides a kind of pipeline, including several main body pipes (1) that pass through clamp mechanism (2) communication butt in turn, the main body pipe (1) includes outer protective tube (11), high temperature resistant layer (12), corrosion resistant layer (13), steel wire mesh body (14), thermoplastic elastomer layer (15), PE inner tube (16) sequentially from outside to inside, outer protective tube (11) is integrally formed with several equidistant distribution of clamping ring (17) in the outer circumferential wall close to pipe mouth, monitoring assembly (3) is equipped in the side wall of main body pipe (1), monitoring assembly (3) includes the retaining tube (31) that bottom end penetrates the side wall of main body pipe (1) and is communicated to its inside, retaining tube (31) is equipped with membrane bag (32) with the inside of main body pipe (1) is communicated, retaining tube (31) inner wall is equipped with infrared sensor (33), the outside top surface of retaining tube (31) is equipped with alarm (34), clamp mechanism (2) includes two half circle clamp bodies (22) that are symmetrically hinged by pivot (21), two half circle clamp bodies (22) are integrally formed with clamping plate (24) in the end away from pivot (21), and clamping plate (24) is clamped between two by several side-by-side clamping assemblies (27).

2. PE wire fabric carcass pipe according to claim 1, characterized in that Outer protective tube (11), high temperature resistant layer (12), corrosion resistant layer (13), steel wire mesh body (14), thermoplastic elastomer layer (15), PE inner tube (16) are sequentially two two between by high-strength hot melt adhesive bonding connection, the bottom end open edge of membrane bag (32) is fixedly connected with the bottom opening end of retaining tube (31).

3. The PE wire fabric carcass pipe according to claim 1, characterized in that: Infrared sensor (33) is arranged on the inner wall of retaining tube (31) above membrane bag (32), and infrared sensor (33) is signal connected with alarm (34).

4. The PE wire fabric carcass pipe of claim 1, wherein: Half circle clamp body (22) inner wall is equipped with clamping groove (23) with the shape of several clamping ring (17) on adjacent two main body pipes (1) are adapted, equal in number and one-to-one correspondence, several clamping grooves (23) are all equipped with sealing pad.

5. The PE wire fabric carcass pipe of claim 1, wherein: Opposite faces of two clamping plates (24) are all equipped with rubber pad (25), and the wall surface of two clamping plates (24) is away from each other respectively equipped with equal in number and one-to-one correspondence bolt body (26) and clamping assembly (27).

6. PE wire fabric carcass pipe according to claim 5, characterized in that Clamping assembly (27) includes connecting rod (271), one end of connecting rod (271) is fixedly connected with the clamping plate (24) where it is located by limiting telescopic rod (272), the outside of limiting telescopic rod (272) is sleeved with spring (273) with two ends fixedly connected with connecting rod (271) and clamping plate (24), the end of connecting rod (271) away from limiting telescopic rod (272) is rotatably connected with L-shaped rotating rod (274), and the end outside wall of L-shaped rotating rod (274) away from connecting rod (271) is provided with bolt hole (275) for accommodating the clamping of bolt body (26) at the corresponding position of bolt body (26).

7. PE wire fabric carcass pipe according to claim 6, characterized in that The length of the spring (273) in natural state is less than or equal to the maximum length of the limiting telescopic rod (272), and the shortest compressed length of the spring (273) is greater than or equal to the minimum length of the limiting telescopic rod (272); when the spring (273) is compressed to the shortest state, the bolt body (26) is separated from the bolt hole (275); when the limiting telescopic rod (272) is stretched to the longest, the bolt body (26) is inserted into the corresponding bolt hole (275).

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