CN221145589U - Ultra-high molecular weight polyethylene pipe - Google Patents

Abstract

The application relates to an ultra-high molecular weight polyethylene pipe, which relates to the technical field of transportation pipelines and comprises a pipe body, wherein the pipe body comprises an ultra-high molecular weight polyethylene pipe layer in direct contact with a medium, a reinforcing pipe which is arranged on the ultra-high molecular weight polyethylene pipe layer and is used for reinforcing the strength of the ultra-high molecular weight polyethylene pipe layer, and two ends of the ultra-high molecular weight polyethylene pipe layer are arranged on the reinforcing pipe through fixing mechanisms, and the fixing mechanisms comprise: the fixed ring is arranged on the reinforcing pipe and close to one of the ports, and the ultra-high molecular weight polyethylene pipe layer is turned over and arranged on the fixed ring; the propping assembly is arranged on the fixed ring and propping the flanging of the ultra-high molecular weight polyethylene pipe layer on the fixed ring. The strength of the pipe body is improved through the reinforced pipe, the ultra-high molecular weight polyethylene pipe layer ensures that the pipe body has good mechanical properties, and the protective layer reduces the corrosion probability of the outside to the pipe body, so that the service life of the ultra-high molecular weight polyethylene pipe layer is prolonged.

Description

Ultra-high molecular weight polyethylene pipe

Technical Field

The application relates to the technical field of transportation pipelines, in particular to an ultra-high molecular weight polyethylene pipe.

Background

The ultra-high molecular weight polyethylene is thermoplastic engineering plastics with average molecular weight more than 170 ten thousand, which is polymerized by ethylene and butadiene monomers under the action of a catalyst. The thermoplastic engineering plastic has mechanical properties which are not possessed by the conventional polyethylene and are difficult to be compared with other engineering plastics, and is excellent in comprehensive properties. The composite material has the performances of impact resistance, abrasion resistance, low friction coefficient, chemical corrosion resistance, low temperature resistance, stress cracking resistance, adhesion resistance, excellent electrical insulation, self-lubricating property and the like, and can be applied to the abrasion-resistant conveying of solid particles and powder in industries such as food processing grease raw material processing, brewing raw material, medicine, building material chemical industry, stone powder, crude salt and the like.

The structure of the existing ultra-high molecular weight polyethylene pipe layer is simpler, most of the ultra-high molecular weight polyethylene pipe layer is only one layer of thermoplastic engineering material, so that the structural strength of the ultra-high molecular weight polyethylene pipe layer is still relatively low, the service life of the ultra-high molecular weight polyethylene pipe layer is greatly reduced, and the ultra-high molecular weight polyethylene pipe layer is easy to damage when used under severe conditions of some environments, so that the problem of great improvement of maintenance cost is caused.

Disclosure of utility model

The application provides an ultra-high molecular weight polyethylene pipe for prolonging the service life of an ultra-high molecular weight polyethylene pipe layer.

The application provides an ultra-high molecular weight polyethylene pipe, which adopts the following technical scheme:

The utility model provides an ultra-high molecular weight polyethylene pipe, includes the body, the body includes the ultra-high molecular weight polyethylene pipe layer with medium direct contact, sets up on the ultra-high molecular weight polyethylene pipe layer and be used for reinforcing the reinforcing pipe of ultra-high molecular weight polyethylene pipe layer intensity ultra-high molecular weight polyethylene pipe layer both ends all set up on the reinforcing pipe through fixed establishment, fixed establishment includes:

the fixing ring is arranged on the reinforcing pipe and close to one of the ports, and the ultra-high molecular weight polyethylene pipe layer is turned over and arranged on the fixing ring;

The propping assembly is arranged on the fixed ring and is used for propping the flanging of the ultra-high molecular weight polyethylene pipe layer on the fixed ring.

By adopting the technical scheme, the ultra-high molecular weight polyethylene pipe layer is tightly attached to the inner side wall of the reinforced pipe, and meanwhile, the flanging of the ultra-high molecular weight polyethylene pipe layer is abutted against the fixing ring, and the abutting component is used for abutted against and fixedly fixing the flanging of the ultra-high molecular weight polyethylene pipe layer on the fixing ring, so that the ultra-high molecular weight polyethylene pipe layer is fixedly connected with the reinforced pipe and a pipe body with good compactness is formed; the reinforced pipe improves the strength of the pipe body, the ultra-high molecular weight polyethylene pipe layer ensures that the pipe body has good mechanical property, and the protective layer reduces the corrosion probability of the outside to the pipe body, so that the service life of the ultra-high molecular weight polyethylene pipe layer is prolonged.

Further, the tightening assembly includes:

the two groups of the supporting rings are mutually abutted to form a complete circular ring, and clamping grooves matched with the fixing rings in a clamping way are formed in the inner side walls, close to the reinforcing pipes, of the supporting rings;

The locking block is arranged on the supporting ring;

The fixing bolts penetrate through the locking blocks on the two groups of the supporting rings and are connected through the fixing nuts in a threaded mode.

Through adopting above-mentioned technical scheme, two sets of support the ring with the turn-ups of ultra-high molecular weight polyethylene pipe layer support tightly on solid fixed ring, fixing bolt passes two sets of locking pieces and locks through fixation nut to this comes ultra-high molecular weight polyethylene pipe layer and strengthening pipe fixed connection and forms the good body of compactness.

Further, the fixed ring is far away from the one end of body axis and has offered and support tight groove, support tight inslot joint and be provided with the rubber ring, support tight ring and support tightly on the rubber ring and will support tight inslot with the turn-ups of ultra high molecular weight polyethylene pipe layer through the rubber ring.

Through adopting above-mentioned technical scheme, support the ultra-high molecular weight polyethylene pipe layer turn-ups tightly in supporting tight inslot through the rubber ring, support the tight ring and support tightly keeping away from the rubber ring of ultra-high molecular weight polyethylene pipe layer turn-ups to this has improved the fixed effect to ultra-high molecular weight polyethylene pipe layer.

Further, connect through coupling assembling between two adjacent groups of body, coupling assembling includes:

The flange plate is arranged on the supporting ring, and a plurality of locking holes which are parallel to the axis of the flange plate are formed in the flange plate at intervals;

the locking bolts penetrate through locking holes on two adjacent flanges;

and the locking nut is in threaded connection with the locking bolt and is used for connecting two adjacent pipe bodies.

Through adopting above-mentioned technical scheme, when connect between two adjacent body, pass the locking hole on two sets of ring flanges and lock through the lock nut through the locking bolt to be convenient for connect between the body.

Further, a sealing groove is formed in the port of the reinforcing pipe, two adjacent groups of pipe bodies are abutted to each other and connected to form a sealing cavity, and a sealing ring for sealing the sealing cavity is arranged in the sealing cavity.

Through adopting above-mentioned technical scheme, when two adjacent body are connected, support the pressure to the sealing washer through the relative both sides wall of sealed chamber for the sealing washer fills up the sealing to sealed chamber, has so improved the connection leakproofness between the adjacent body.

Further, a plurality of through holes are formed in the side wall of the reinforced pipe, and the through holes are convenient for enabling the ultra-high molecular weight polyethylene pipe layer to be mutually attached to the reinforced pipe.

Through adopting above-mentioned technical scheme, when the super high molecular weight polyethylene pipe layer constant temperature is kick-backed, the air between super high molecular weight polyethylene pipe layer and the enhancement pipe is discharged through a plurality of through-holes to this makes the laminating effect of super high molecular weight polyethylene pipe layer and enhancement pipe better.

Further, a protective layer for protecting the reinforcing pipe is arranged on the outer side wall of the reinforcing pipe, and the protective layer seals the through hole.

Through adopting above-mentioned technical scheme, the protective layer is used for keeping away from the lateral wall of body axis to the strengthening pipe and protects, reduces the strengthening pipe and outside contact and causes the probability of corruption, and the protective layer seals the through-hole simultaneously, in the gap between the ultra-high molecular weight polyethylene pipe layer of reduction gas entering through the through-hole and the strengthening pipe, has improved the laminating nature between ultra-high molecular weight polyethylene pipe layer and the strengthening pipe.

Further, the connection corner of the reinforcing pipe, the fixing ring and the flanging of the ultra-high molecular weight polyethylene pipe layer is provided with a rounding angle.

By adopting the technical scheme, the probability of abrasion of the junction between the flanging of the ultra-high molecular weight polyethylene pipe layer and the reinforcing pipe and the fixed ring is reduced, so that the service life of the flanging of the ultra-high molecular weight polyethylene pipe layer is prolonged.

In summary, the present application includes at least one of the following beneficial technical effects:

The ultra-high molecular weight polyethylene pipe layer is subjected to diameter reduction, flanging and rebound treatment, so that the ultra-high molecular weight polyethylene pipe layer is tightly attached to the inner side wall of the reinforced pipe, meanwhile, the flanging of the ultra-high molecular weight polyethylene pipe layer is abutted against the fixing ring, the flanging of the ultra-high molecular weight polyethylene pipe layer is abutted against and fixed on the fixing ring by the abutting ring, and the abutting ring is locked by the cooperation of the fixing bolt and the fixing nut, so that the ultra-high molecular weight polyethylene pipe layer and the reinforced pipe are fixedly connected and a pipe body with good compactness is formed; the reinforced pipe improves the strength of the pipe body, the ultra-high molecular weight polyethylene pipe layer ensures that the pipe body has good mechanical property, and the protective layer reduces the corrosion probability of the outside to the pipe body, so that the service life of the ultra-high molecular weight polyethylene pipe layer is prolonged.

Drawings

FIG. 1 is a schematic view of a pipe body structure of the present application;

FIG. 2 is a schematic view of the structure of the connection between adjacent tubes of the present application;

FIG. 3 is a schematic cross-sectional view of A-A of FIG. 2;

Fig. 4 is an enlarged schematic view of the portion B in fig. 3.

Reference numerals: 1. a tube body; 11. an ultra-high molecular weight polyethylene pipe layer; 12. a reinforcing tube; 121. a through hole; 122. sealing grooves; 2. a fixing mechanism; 21. a fixing ring; 211. a tightening groove; 22. a tightening assembly; 221. a tightening ring; 222. a locking block; 223. a fixing bolt; 224. a fixing nut; 3. a rubber ring; 4. a connection assembly; 41. a flange plate; 411. a locking hole; 42. a locking bolt; 43. a lock nut; 5. a protective layer; 6. and (3) sealing rings.

Detailed Description

The application is described in further detail below with reference to fig. 1-4.

The embodiment of the application discloses an ultra-high molecular weight polyethylene pipe.

Referring to fig. 1, an ultra-high molecular weight polyethylene pipe, the pipe body 1 comprises an ultra-high molecular weight polyethylene pipe layer 11 in direct contact with a medium, a reinforcing pipe 12 disposed on the ultra-high molecular weight polyethylene pipe layer 11 and used for reinforcing the strength of the ultra-high molecular weight polyethylene pipe layer 11, and both ends of the ultra-high molecular weight polyethylene pipe layer 11 are disposed on the reinforcing pipe 12 through fixing mechanisms 2.

Referring to fig. 2, the ultra-high molecular weight polyethylene pipe layer 11 is made of ultra-high molecular weight polyethylene material, the reinforced pipe 12 is a steel pipe with better structural strength, a plurality of through holes 121 are formed in the side wall of the reinforced pipe 12, the ultra-high molecular weight polyethylene pipe layer 11 is firstly subjected to diameter reduction treatment, then the ultra-high molecular weight polyethylene pipe layer 11 after diameter reduction is inserted and installed into the reinforced pipe 12, then the ultra-high molecular weight polyethylene pipe layer 11 is subjected to flanging treatment, finally the ultra-high molecular weight polyethylene pipe layer 11 is tightly attached to the inner side wall of the reinforced pipe 12 through constant temperature rebound treatment, and air between the ultra-high molecular weight polyethylene pipe layer 11 and the reinforced pipe 12 is discharged through the plurality of through holes 121, so that the attaching effect of the ultra-high molecular weight polyethylene pipe layer 11 and the reinforced pipe 12 is better.

Referring to fig. 3 and 4, the fixing mechanism 2 includes a fixing ring 21 and a tightening assembly 22, the fixing ring 21 is in a circular ring structure, the fixing ring 21 is fixedly installed on the outer side wall of the reinforced pipe 12 and is close to a port of the pipe body 1, a tightening groove 211 is formed at one end of the fixing ring 21 far away from the axis of the pipe body 1, and a flange of the ultra-high molecular weight polyethylene pipe layer 11 is tightly wrapped on the fixing ring 21; an annular rubber ring 3 is arranged in the abutting groove 211, and the rubber ring 3 abuts the flanging of the ultra-high molecular weight polyethylene pipe layer 11 on the fixed ring 21; a set of fixing rings 21 are arranged at both ends of the reinforced pipe 12 so as to fixedly connect the ultra-high molecular weight polyethylene pipe layer 11 with the reinforced pipe 12; the abutting assembly 22 is arranged on the fixed ring 21 and abuts the flanging of the ultra-high molecular weight polyethylene pipe layer 11 on the fixed ring 21, the abutting assembly 22 comprises two groups of abutting rings 221, locking blocks 222 and fixing bolts 223, the abutting rings 221 are of semicircular structures, clamping grooves matched with the fixed ring 21 in a clamping manner are formed in the inner side walls of the abutting rings 221, the two groups of abutting rings 221 are symmetrically arranged, the two groups of abutting rings 221 are mutually abutted to form a complete circular ring, and the two groups of clamping grooves are connected to form a complete circular ring-shaped groove and are fixedly clamped with the fixed ring 21; the locking blocks 222 are fixedly arranged on the outer side wall of the abutting ring 221 far away from the axial direction, and the locking blocks 222 on two adjacent abutting rings 221 are mutually parallel; the fixing bolts 223 penetrate through the two groups of locking blocks 222 and are in threaded connection through the fixing nuts 224, and the two groups of supporting rings 221 are locked under the combined action of the multiple groups of fixing bolts 223, meanwhile, the inner side walls of the supporting rings 221 support and press the rubber rings 3, and the connection stability of the flanging of the ultra-high molecular weight polyethylene pipe layer 11 and the reinforcing pipe 12 is improved.

Referring to fig. 2 and 3, two adjacent groups of pipe bodies 1 are connected through a connecting assembly 4, the connecting assembly 4 comprises a flange 41, a locking bolt 42 and a locking nut 43, wherein the flange 41 is fixedly arranged on the outer side wall of a supporting ring 221, a plurality of locking holes 411 are formed in the flange 41 along the circumferential array of the axis of the flange 41, the axes of the locking holes 411 are parallel to the axis of the flange 41, and the end face of the flange 41, which is close to the pipe body 1, and the end face of the pipe body 1 are located on the same plane; a sealing groove 122 is formed in the end face of the reinforcing pipe 12 and far away from the axial direction of the reinforcing pipe 12, when two adjacent pipe bodies 1 are mutually abutted, the two adjacent sealing grooves 122 are connected and form a relatively sealed sealing cavity, and a sealing ring 6 for sealing the sealing cavity is clamped in the sealing cavity; the locking bolts 42 penetrate through the locking holes 411 of the two flanges 41, the locking nuts 43 are in threaded connection with the locking bolts 42, the locking nuts 43 and the locking bolts 42 are matched with each other, so that two adjacent pipe bodies 1 are connected, and the connection tightness between the two pipe bodies 1 is better through the sealing rings 6 arranged in the sealing cavities.

Referring to fig. 3 and 4, rounded corners are formed at the corners of the connection parts of the flanges of the reinforced pipe 12 and the ultra-high molecular weight polyethylene pipe layer 11, rounded corners are formed at the corners of the connection parts of the flanges of the fixed ring 21 and the ultra-high molecular weight polyethylene pipe layer 11, and the probability of abrasion at the connection parts between the flanges of the ultra-high molecular weight polyethylene pipe layer 11 and the reinforced pipe 12 and the fixed ring 21 is reduced, so that the service life of the flanges of the ultra-high molecular weight polyethylene pipe layer 11 is prolonged; after the air between the reinforced pipe 12 and the ultra-high molecular weight polyethylene pipe layer 11 is thoroughly exhausted, the through holes 121 are blocked, then the outer side wall of the reinforced pipe 12 is fixedly provided with the protective layer 5, the protective layer 5 is used for protecting the reinforced pipe 12, the probability of corrosion caused by contact between the reinforced pipe 12 and the outside is reduced, meanwhile, the through holes 121 are blocked by the protective layer 5, the air entering gaps between the ultra-high molecular weight polyethylene pipe layer 11 and the reinforced pipe 12 through the through holes 121 is reduced, and the fit between the ultra-high molecular weight polyethylene pipe layer 11 and the reinforced pipe 12 is improved; the protective layer 5 of the present embodiment may be a protective layer 5 formed by paint spraying.

The working principle of the embodiment of the application is as follows:

The ultra-high molecular weight polyethylene pipe layer 11 is tightly attached to the inner side wall of the reinforced pipe 12 through the diameter reduction, flanging and rebound treatment, meanwhile, the flanging of the ultra-high molecular weight polyethylene pipe layer 11 is abutted against the fixed ring 21, the flanging of the ultra-high molecular weight polyethylene pipe layer 11 is abutted against and fixed on the fixed ring 21 by the abutting ring 221, and the abutting ring 221 is locked by the cooperation of the fixed bolt 223 and the fixed nut 224, so that the ultra-high molecular weight polyethylene pipe layer 11 and the reinforced pipe 12 are fixedly connected and a pipe body 1 with good compactness is formed; the strength of the pipe body 1 is improved by the reinforcing pipe 12, the pipe body 1 is guaranteed to have good mechanical properties by the ultra-high molecular weight polyethylene pipe layer 11, and meanwhile, the corrosion probability of the outside to the pipe body 1 is reduced by the protective layer 5, so that the service life of the ultra-high molecular weight polyethylene pipe layer 11 is prolonged.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. The utility model provides an ultra-high molecular weight polyethylene pipe, includes body (1), its characterized in that: the pipe body (1) include with medium direct contact's ultra high molecular weight polyethylene pipe layer (11), set up on ultra high molecular weight polyethylene pipe layer (11) and be used for strengthening stiffening tube (12) of ultra high molecular weight polyethylene pipe layer (11) intensity ultra high molecular weight polyethylene pipe layer (11) both ends all set up on stiffening tube (12) through fixed establishment (2), fixed establishment (2) include:

The fixing ring (21) is arranged on the reinforcing pipe (12) and is close to one of the ports, and the ultra-high molecular weight polyethylene pipe layer (11) is turned over and is arranged on the fixing ring (21);

The abutting component (22) is arranged on the fixing ring (21) and abuts the flanging of the ultra-high molecular weight polyethylene pipe layer (11) on the fixing ring (21).

2. The ultra high molecular weight polyethylene pipe according to claim 1, wherein: the tightening assembly (22) comprises:

Two groups of supporting rings (221), wherein the two groups of supporting rings (221) are mutually supported and form a complete circular ring, and the inner side wall of the supporting ring (221) close to the reinforcing pipe (12) is provided with a clamping groove which is matched with the fixing ring (21) in a clamping way;

A locking block (222), the locking block (222) being arranged on the tightening ring (221);

The fixing bolts (223) penetrate through locking blocks (222) on the two groups of supporting rings (221) and are connected through threads of fixing nuts (224).

3. The ultra high molecular weight polyethylene pipe according to claim 2, wherein: the utility model discloses a pipe body, including fixed ring (21), tight groove (211) is offered to fixed ring (21) one end of keeping away from body (1) axis, tight inslot joint is provided with rubber ring (3) to support, tight ring (221) support tightly on rubber ring (3) and will support tight inslot (211) with super high molecular weight polyethylene pipe layer (11) turn-ups through rubber ring (3).

4. The ultra high molecular weight polyethylene pipe according to claim 1, wherein: the two adjacent groups of pipe bodies (1) are connected through a connecting component (4), and the connecting component (4) comprises:

The flange plate (41) is arranged on the supporting ring (221), and a plurality of locking holes (411) which are parallel to the axis of the flange plate (41) are formed in the flange plate (41) at intervals;

A locking bolt (42), wherein the locking bolt (42) passes through locking holes (411) on two adjacent flanges (41);

And the locking nut (43) is in threaded connection with the locking bolt (42) and is used for connecting the two adjacent pipe bodies (1).

5. The ultra high molecular weight polyethylene pipe according to claim 4, wherein: a sealing groove (122) is formed in a port of the reinforcing pipe (12), two adjacent groups of pipe bodies (1) are mutually abutted and connected into a sealing cavity, and a sealing ring (6) for sealing the sealing cavity is arranged in the sealing cavity.

6. The ultra high molecular weight polyethylene pipe according to claim 1, wherein: a plurality of through holes (121) are formed in the side wall of the reinforced pipe (12), and the through holes (121) are convenient for enabling the ultra-high molecular weight polyethylene pipe layer (11) to be mutually attached to the reinforced pipe (12).

7. The ultra high molecular weight polyethylene pipe according to claim 6, wherein: the outer side wall of the reinforcing pipe (12) is provided with a protective layer (5) for protecting the reinforcing pipe (12), and the protective layer (5) is used for plugging the through hole (121).

8. The ultra high molecular weight polyethylene pipe according to claim 1, wherein: rounded corners are formed at the connection corners of the reinforcing pipe (12), the fixing ring (21) and the flanging of the ultra-high molecular weight polyethylene pipe layer (11).