Novel compression-resistant high-pressure oil pipe

Abstract

The utility model provides a novel compression-resistant high-pressure oil pipe, and relates to the technical field of compression-resistant high-pressure oil pipes. An anti-explosion frame is fixedly installed on the outer portion of the oil pipe, the front end and the rear end of the oil pipe are each sleeved with a lining, the two linings are located at the front end and the rear end of the anti-explosion frame respectively, the two linings are both sleeved with a compression-resistant sleeve, and a steel wire cross cylinder is arranged in the compression-resistant sleeve. When the oil pipe is laid underground and is extruded by the upper portion, pressure firstly acts on the adapting piece, the spring piece connected with the adapting piece can conduct buffering shrinkage, the extrusion acting force transmitted to the oil pipe is effectively reduced, and the good extrusion protection effect on the oil pipe is achieved. The problems that when an existing high-pressure oil pipe is laid underground, the upper end of the oil pipe is prone to being squeezed, potential safety hazards such as oil pipe damage and oil leakage caused by squeezing exist, and normal use of the oil pipe and oil transportation safety are affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of high pressure oil pipe, more specifically, it relates to a novel high pressure oil pipe. BACKGROUND

[0002] The high pressure oil pipe is a component of high pressure oil circuit, and requires the oil pipe to bear certain oil pressure and have certain fatigue strength, to ensure the sealing requirement of the pipeline, and the oil pipe is composed of a steel wire wound skeleton layer and inner and outer oil-resistant and corrosion-resistant synthetic rubber to form high pressure, and is used for conveying medium such as engineering machinery hydraulic oil pipe, submarine natural gas, oil, irrigation, steel plant and chemical plant.

[0003] The application number CN202020142520.7 discloses a high pressure oil pipe, which comprises a pipe body, a mounting seat and a mounting piece, the pipe body is internally provided with a high pressure oil channel, the pipe body is externally provided with a protective sleeve, and a metal wire is arranged between the pipe body and the protective sleeve, the mounting seat is fixed to the outer side of the port of the protective sleeve, a sealing ring is arranged on the inner side of the mounting seat, and the sealing ring and the connecting piece are connected together, a first nut is arranged on the connecting piece, a groove is formed between the connecting piece and the pipe body, a second nut is arranged on the mounting piece, and the second nut and the first nut are respectively arranged at the right end of the connecting piece and the mounting seat, and a tapered portion is arranged at the port of the pipe body.

[0004] Based on the above patent search and the application understanding of the existing high pressure oil pipe, the upper end of the existing high pressure oil pipe is easily extruded when laid in the underground scene, which may cause damage, oil leakage and other safety hazards, and affect the normal use and oil transportation safety of the oil pipe. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a novel high pressure oil pipe to solve the problems of the existing high pressure oil pipe, such as the upper end of the oil pipe being easily extruded when laid in the underground scene, causing damage, oil leakage and other safety hazards, affecting the normal use and oil transportation safety of the oil pipe, and the traditional high pressure oil pipe may expand or even burst when the internal oil pressure is too high.

[0006] The technical scheme adopted by the utility model is:

[0007] A novel anti-pressure high-pressure oil pipe, comprising an oil pipe; an explosion-proof frame is fixedly installed at the outer position of the oil pipe, a bushing is sleeved at the front and rear ends of the oil pipe respectively, the two bushings are located at the front and rear ends of the explosion-proof frame respectively, the two bushings are sleeved at the inner position of the anti-pressure sleeve, a steel wire cross cylinder is arranged in the anti-pressure sleeve, the steel wire cross cylinder is composed of two cross-staggered spiral steel wires, and the oil pipe is located at the middle position in the anti-pressure sleeve.

[0008] According to one embodiment of the present application, the front and rear ends of the outer surface of the explosion-proof frame are respectively rotationally connected with nine L-shaped adaptive pieces, and the nine adaptive pieces arranged at the front and rear ends of the explosion-proof frame are staggered.

[0009] According to one embodiment of the present application, the inner side of each adaptive piece is provided with a spring piece, and the other end of each spring piece is fixedly connected with the surface of the explosion-proof frame.

[0010] According to one embodiment of the present application, the anti-pressure sleeve is sleeved at the outer end of the explosion-proof frame, and the outer end diameter of the two bushings is greater than the transverse diameter of the whole explosion-proof frame.

[0011] Compared with the prior art, the present application has the following beneficial effects:

[0012] By installing the explosion-proof frame outside the oil pipe and rotationally connecting the L-shaped adaptive pieces staggered at the front and rear ends of the outer surface of the explosion-proof frame, when the oil pipe is laid underground and is pressed from above, the pressure is first applied to the adaptive pieces, the spring pieces connected with the adaptive pieces are contracted for buffering, the extrusion force is effectively reduced and transmitted to the oil pipe, the extrusion protection effect of the oil pipe is good, the extrusion resistance of the oil pipe is enhanced, and the service life of the oil pipe is prolonged.

[0013] The anti-pressure sleeve sleeved outside the oil pipe is internally provided with the steel wire cross cylinder composed of two cross-staggered spiral steel wires, on the one hand, when the oil pipe is inflated due to the excessively high oil pressure in the oil pipe, the spiral steel wire of the steel wire cross cylinder can limit the inflation, thereby playing a role in explosion prevention and ensuring the safety during use of the oil pipe, and on the other hand, the spiral steel wire can also play a buffering effect when the oil pipe is pressed from outside, thereby further improving the pressure resistance of the oil pipe and making the oil pipe more suitable for high-pressure environments. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a novel anti-pressure high-pressure oil pipe half-partial side view structural schematic diagram of the present application.

[0015] Figure 2 is an assembly side view structural schematic diagram of the oil pipe and the explosion-proof frame of the present application.

[0016] Figure 3 is a novel anti-pressure high-pressure oil pipe half-partial side view structural schematic diagram of the present application. Figure 2The local enlarged structure schematic view at middle A.

[0017] Figure 4 The half cut side view structure schematic view of the bushing and the compression-proof sleeve of the utility model.

[0018] In the figure, the corresponding relationship of component name and figure number is:

[0019] 1, oil pipe; 2, explosion-proof frame; 201, adaptive sheet; 202, spring piece; 3, bushing; 4, compression-proof sleeve; 401, steel wire cross cylinder. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme of the embodiments of the utility model will be clearly and completely described below in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] Unless otherwise defined, the technical terms or scientific terms used in the present application should be understood as the usual meaning understood by the ordinary skilled person in the field of the present application. The "one", "a" or "the" and similar words used in the patent application description and claims of the utility model do not represent the quantity limitation, but represent the existence of at least one. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents. "Connection" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0022] The implementation mode of the utility model will be further described in detail below in combination with the drawings and embodiments.

[0023] Embodiment:

[0024] As shown in the accompanying Figure 1 to the accompanying Figure 4 drawings:

[0025] The utility model provides a novel compression resistance high pressure oil pipe, including oil pipe 1, the outside position fixed mounting of oil pipe 1 has explosion -proof frame 2, and the front and rear both ends position of oil pipe 1 is respectively sleeved with a bushing 3, and two bushings 3 are located at the front and rear both ends position of explosion -proof frame 2, and two bushings 3 are all sleeved in the inside position of compression resistance sleeve 4, and the inside of compression resistance sleeve 4 is provided with steel wire cross -over cylinder 401, and steel wire cross -over cylinder 401 is composed of two helical steel wires cross -over misplacement, and oil pipe 1 is located at the inside position of compression resistance sleeve 4.

[0026] Wherein, the front and rear both ends position of the outer surface of explosion -proof frame 2 is respectively rotationally connected with nine L shape structure's adaptive sheet 201, and nine adaptive sheets 201 set up at the front and rear both ends of explosion -proof frame 2 are staggered distribution.

[0027] Wherein, the inside position of each adaptive sheet 201 is installed with a spring piece 202, and the other end position of each spring piece 202 is fixedly connected with the surface position of explosion -proof frame 2, and compression resistance sleeve 4 is sleeved in the outer end position of explosion -proof frame 2, and the outer end diameter of two bushings 3 is greater than the transverse diameter of the whole explosion -proof frame 2.

[0028] When using:

[0029] The both ends of oil pipe 1 are connected with oil conveying equipment, then explosion -proof frame 2 is installed to the outside position of oil pipe 1, and explosion -proof frame 2 is designed for the position that may be extruded, and the upper end of oil pipe 1 is easily extruded after laying underground, so explosion -proof frame 2 is installed to the extruded position of oil pipe 1, and when pressure appears, the adaptive sheet 201 of explosion -proof frame 2 is contacted first, and the spring connected with adaptive sheet 201 is contracted to reduce the extrusion force transmitted to the position of oil pipe 1, so as to play the extrusion protection effect.

[0030] After installing explosion -proof frame 2 to the outside of oil pipe 1, according to the free length of the front and rear both ends of oil pipe 1, two bushings 3 are cut, so that the installation of bushing 3 to the outside of oil pipe 1 will not cause the interference of the front and rear both ends of oil pipe 1, and in combination with the design that steel wire cross -over cylinder 401 is composed of two helical steel wires cross -over misplacement, the expansion of oil pipe 1 is also limited by helical steel wire of steel wire cross -over cylinder 401, so as to play the explosion -proof effect, and the helical steel wire can also play the buffering effect under the external force, and is more suitable for high pressure resistance effect.

[0031] While the application has been described with reference to the above embodiment, it will be understood by those skilled in the art that various changes can be made and equivalents can be substituted for elements thereof without departing from the scope of the application as defined in the appended claims. Although the specification contains many specific implementation details, these should not be construed as limiting the scope of the application but merely as illustrating particular features. The scope of the application should be limited by the appended claims and their equivalents, rather than by the description preceding them.

Claims

1. A novel pressure-resistant high-pressure oil pipe, characterized in that: It includes an oil pipe (1); an explosion-proof frame (2) is fixedly installed on the outside of the oil pipe (1), and a bushing (3) is sleeved at the front and rear ends of the oil pipe (1). The two bushings (3) are located at the front and rear ends of the explosion-proof frame (2), and the two bushings (3) are sleeved inside the pressure-resistant sleeve (4). A wire cross cylinder (401) is provided inside the pressure-resistant sleeve (4). The wire cross cylinder (401) is composed of two spiral wires that are crossed and staggered. The oil pipe (1) is located in the middle position inside the pressure-resistant sleeve (4).

2. The novel pressure-resistant high-pressure oil pipe as described in claim 1, characterized in that: Nine L-shaped adaptable pieces (201) are rotatably connected to the front and rear ends of the outer surface of the explosion-proof frame (2), and the nine adaptable pieces (201) set at the front and rear ends of the explosion-proof frame (2) are staggered.

3. The novel pressure-resistant high-pressure oil pipe as described in claim 2, characterized in that: Each of the adaptors (201) has a spring (202) installed on its inner side, and the other end of each spring (202) is fixedly connected to the surface of the explosion-proof frame (2).

4. The novel pressure-resistant high-pressure oil pipe as described in claim 1, characterized in that: The pressure-resistant sleeve (4) is fitted onto the outer end of the explosion-proof frame (2), and the outer diameter of the two bushings (3) is larger than the overall transverse diameter of the explosion-proof frame (2).

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