1. The utility model provides a hose, includes inside inner rubber layer (1) and outside outer rubber layer (2), its characterized in that: interior glue film (1) with be provided with fiber reinforcement layer (3) between outer glue film (2), outer glue film (2) outer wall has cup jointed outer fiber protective layer (4), outer fiber protective layer (4) are high strength modified polyester fiber and weave with the longitude and latitude structure and make.

2. The utility model provides an automatic collecting and releasing equipment of hose, includes carries on platform (5), its characterized in that: the carrying platform (5) comprises a base (51) at the bottom, a case (6) is arranged on the right side of the top of the carrying platform (5), a speed reducing motor (7) is installed inside the case (6), an output end of the speed reducing motor (7) extends to the outside of the case (6) and is fixedly provided with a shaft lever (8), a first limiting disc (9) is fixed on the right side of the outer wall of the shaft lever (8), a second limiting disc (10) is movably installed at the left end of the shaft lever (8), a reel pipe (11) is slidably installed on the outer wall of the shaft lever (8), two vertical rods (12) are fixed on the front side of the top of the carrying platform (5), an upper cross rod (13) is fixed between the tops of the two vertical rods (12), an auxiliary rolling device (14) is slidably connected to the bottom of the upper cross rod (13), and a passage (141) for the hose to pass through is formed in the auxiliary rolling device (14), friction pulley (15) are installed to supplementary rolling ware (14) internal rotation, friction pulley (15) top extends to inside passageway (141), friction pulley (15) axle center department is fixed with axis (18), axis (18) left and right sides outer wall all is fixed with gear (19), passageway (141) inside left and right sides all sets up vertical guide bar (17), vertical guide bar (17) outside all cup jointed with gear (19) intermeshing rack (16), two top between rack (16) is connected with will the top board (20) that the hose flattened.

3. The automatic hose reeling and unreeling device according to claim 2, wherein: a T-shaped sliding block (142) is fixed in the middle of the top of the auxiliary rolling device (14), a T-shaped sliding groove matched with the T-shaped sliding block (142) is formed in the bottom of the upper cross rod (13), the T-shaped sliding groove is identical to the roller pipe (11) in length, and the T-shaped sliding groove is located right in front of the roller pipe (11).

4. The automatic hose reeling and unreeling device according to claim 2, wherein: axial sliding grooves (81) are formed in the outer wall of the shaft rod (8) at equal intervals, and sliding strips are fixed on the inner wall of the reel pipe (11) in an inward extending mode at equal intervals.

5. The automatic hose reeling and unreeling device according to claim 2, wherein: the left end of the shaft lever (8) is provided with a thread groove, and the middle of the right end of the second limiting disc (10) is fixed with a threaded rod (101) matched with the thread groove.

6. The automatic hose reeling and unreeling device according to claim 2, wherein: the left side and the right side of the interior of the auxiliary winder (14) are provided with limiting grooves (143) for the racks (16) to move, and the bottom of the vertical guide rod (17) is fixed at the bottoms of the limiting grooves (143).

7. An oilfield centralized nitrogen and gas production and injection device, comprising the hose of any one of claims 1 to 6, and an automatic retraction device for the hose, wherein the automatic retraction device is characterized in that: the oil field concentrated nitrogen production and gas injection equipment comprises an air compressor, a PSA nitrogen production machine, a supercharger and a water injection pump which are sequentially communicated.

Background

The oil reserves are decreased year by year, and the nitrogen is injected into the oil layer to improve the crude oil recovery ratio, thereby greatly improving the recovery ratio and having great significance for stable and high yield of the petroleum industry in China.

The traditional nitrogen production and injection device generally adopts skid-mounted pressure swing adsorption nitrogen production equipment to perform single-well dispersed nitrogen production and injection, and the number of nitrogen production and injection equipment serving the northwest oil field is nearly 40. Along with the continuous improvement of requirements on gas injection oil extraction, cost reduction and efficiency improvement, the problems of frequent equipment relocation, short effective working time, low nitrogen purity and the like are more prominent. If centralized nitrogen production is used, the common steel pipe cannot be laid and rolled quickly and frequently, the common reinforced hose cannot realize high pressure (pressure transmission of more than 1 Mpa) or flattening, or outdoor high-temperature air tightness is poor, UV resistance is insufficient, or the caliber is small and the gas transmission amount is insufficient. Therefore, the hose, the matched automatic winding and unwinding equipment and the application thereof are provided.

Disclosure of Invention

The invention aims to provide a hose, automatic winding and unwinding equipment matched with the hose and application of the hose, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a hose, includes inside inner rubber layer and outside outer glue film, inner rubber layer with be provided with the fiber reinforcement layer between the outer glue film, outer glue film outer wall has cup jointed outer fiber protective layer, outer fiber protective layer is high-strength modified polyester fiber and weaves with the longitude and latitude structure and make.

An automatic hose winding and unwinding device comprises a carrying platform, wherein the carrying platform comprises a base at the bottom, a case is arranged on the right side of the top of the carrying platform, a speed reducing motor is arranged in the case, an output end of the speed reducing motor extends to the outside of the case and is fixedly provided with a shaft rod, a first limiting disc is fixedly arranged on the right side of the outer wall of the shaft rod, a second limiting disc is movably arranged at the left end of the shaft rod, a reel pipe is slidably arranged on the outer wall of the shaft rod, two vertical rods are fixedly arranged on the front side of the top of the carrying platform, an upper cross rod is fixedly arranged between the tops of the two vertical rods, an auxiliary winder is slidably connected to the bottom of the upper cross rod and is provided with a channel for the hose to pass through, a friction wheel is rotatably arranged in the auxiliary winder, the top of the friction wheel extends to the inside of the channel, a central shaft is fixedly arranged at the axis of the friction wheel, the utility model discloses a hose winding machine, including axis, passageway, supplementary winder, rack, limiting groove, axis left and right sides outer wall all is fixed with the gear, the inside left and right sides of passageway all sets up vertical guide bar, vertical guide bar outside all cup joint with gear intermeshing rack, the confession has all been seted up to the inside left and right sides of supplementary winder the spacing groove that the rack removed, vertical guide bar bottom is fixed in spacing groove bottom, two top between the rack is connected with will the top board that the hose flattened.

As a further arrangement of the above scheme, a T-shaped sliding block is fixed in the middle of the top of the auxiliary winder, a T-shaped sliding groove matched with the T-shaped sliding block is formed at the bottom of the upper cross rod, and the T-shaped sliding groove is consistent with the length of the reel pipe and is located right in front of the reel pipe.

As a further arrangement of the scheme, axial sliding grooves are formed in the outer wall of the shaft rod at equal intervals, and sliding strips are fixed on the inner wall of the reel pipe at equal intervals and extend inwards.

As a further arrangement of the scheme, the left end of the shaft lever is provided with a thread groove, and a threaded rod matched with the thread groove is fixed in the middle of the two right ends of the limiting disc.

As a further setting of the scheme, the left side and the right side of the inside of the auxiliary winder are provided with limiting grooves for the racks to move, and the bottoms of the vertical guide rods are fixed at the bottoms of the limiting grooves.

The utility model provides a system nitrogen gas injection equipment is concentrated in oil field, system nitrogen gas injection equipment is concentrated in oil field is including the air compressor, PSA system nitrogen machine, booster compressor and the water injection pump that communicate in proper order.

Compared with the prior art, the invention has the beneficial effects that:

1. in the using process of the hose, the inner rubber layer and the outer rubber layer are used for shielding media, the fiber reinforced layer is used for conveying pressure, the outer fiber protective layer is used for realizing the functions of UV shielding, heat shielding and abrasion protection, the hose can be directly used for conveying nitrogen in an oil field, and the oil field adopts a concentrated nitrogen production scheme, so that the construction and operation cost of a project is reduced, the nitrogen concentration and the nitrogen production quantity are improved, the potential safety hazard caused by insufficient nitrogen production purity on site is avoided, the working efficiency is improved, and the benefit is improved. The flexible pipe can be flattened and rolled, the length of a single flexible pipe can reach 200 meters, welding or frequent connection is not needed, the flexible pipe can be rapidly and automatically folded and unfolded, and the flexible pipe is heat-resistant, UV-resistant and wear-resistant, meets the air tightness requirement of conveying nitrogen outdoors day and night, and is large in conveying gas quantity.

2. According to the invention, the speed reducing motor is started to drive the shaft rod to rotate, so that the reel pipe rotates to reel the hose, the outer wall of the hose is in contact with the friction wheel to drive the friction wheel to rotate, the gear rotates to drive the rack meshed with the gear to move downwards, and the upper pressure plate moves downwards along with the gear, so that the hose is flattened, the hose is conveniently flattened and reeled, and the effect of automatic and rapid reeling is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the construction of the hose of the present invention;

FIG. 2 is a schematic structural view of an automatic hose retraction device according to the present invention;

FIG. 3 is a top view of the automatic hose reel apparatus of the present invention;

FIG. 4 is a schematic perspective view of an auxiliary winder according to the present invention;

fig. 5 is a schematic view of the internal structure of the auxiliary winder of the present invention.

In the figure: 1. an inner glue layer; 2. an outer adhesive layer; 3. a fiber-reinforced layer; 4. an outer fiber protective layer; 5. a mounting platform; 51. a base; 6. a chassis; 7. a reduction motor; 8. a shaft lever; 81. an axial chute; 9. a first limiting disc; 10. a second limiting disc; 101. a threaded rod; 11. pipe coiling; 12. erecting a rod; 13. an upper cross bar; 14. an auxiliary winder; 141. a channel; 142. a T-shaped slider; 143. a limiting groove; 15. a friction wheel; 16. a rack; 17. a vertical guide bar; 18. a middle shaft; 19. a gear; 20. and (5) an upper pressing plate.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 5, in conjunction with the embodiments.

The utility model provides a hose, as shown in figure 1, including inside inner rubber layer 1 and outside outer glue film 2, inner rubber layer 1 with be provided with fiber reinforcement layer 3 between the outer glue film 2, outer glue film 2 outer wall has cup jointed outer fiber protective layer 4, outer fiber protective layer 4 and inner rubber layer 1, outer glue film 2, 3 non-overall structure of fiber reinforcement layer can regard as the consumptive material to change the use, comparatively economical and flexible, outer fiber protective layer 4 is high strength modified polyester fiber and weaves with the longitude and latitude structure and make, and outer fiber protective layer 4 weaves the shaping back, still need pass through processes such as dip dyeing, stoving, and the dip dyeing liquid is by mill base, anti UV agent, and the components such as emollient constitute the corrosion resistance of the outer fiber protective layer 4 that improves. When the hose is used, the functions of shielding and isolating a conveying medium are realized by the inner rubber layer 1 and the outer rubber layer 2, the function of bearing pressure is realized by the fiber reinforced layer 3, and the functions of UV protection, heat isolation, wear resistance and the like are realized by the outer fiber protective layer 4. The caliber of the hose is 400mm, the conveying gas quantity is large, the hose can be flatly rolled, the length of a single hose can reach 200 meters, welding or frequent connection is not needed, the hose can be quickly and automatically folded and unfolded, and the hose is heat-resistant, UV-resistant and wear-resistant and meets the requirement of air tightness for conveying nitrogen outdoors day and night.

An automatic hose winding and unwinding device is shown in figures 2-5 and comprises a carrying platform 5, wherein the carrying platform 5 comprises a base 51 at the bottom, a case 6 is arranged on the right side of the top of the carrying platform 5, a speed reduction motor 7 is arranged in the case 6, an output end of the speed reduction motor 7 extends to the outside of the case 6 and is fixedly provided with a shaft rod 8, a first limiting disc 9 is fixed on the right side of the outer wall of the shaft rod 8, a second limiting disc 10 is movably arranged at the left end of the shaft rod 8, a reel 11 is slidably arranged on the outer wall of the shaft rod 8, one end of the reel 11 is abutted against the second limiting disc 10, the other end of the reel is abutted against the first limiting disc 9, when the second limiting disc 10 is arranged on the shaft rod 8, the reel 11 is difficult to slide, two upright rods 12 are fixed on the front side of the top of the carrying platform 5, an upper cross rod 13 is fixed between the tops of the two upright rods 12, and an auxiliary winder 14 is slidably connected to the bottom of the upper cross rod 13, the auxiliary winder 14 is provided with a channel 141 for the hose to pass through, the inside of the auxiliary winder 14 is rotatably provided with a friction wheel 15, the top of the friction wheel 15 extends to the inside of the channel 141, when the hose passes through the channel 141, the bottom of the hose is contacted with the top of the friction wheel 15, the outer wall of the friction wheel 15 is uniformly provided with raised particles, when the hose is contacted with the friction wheel 15, the friction force is large, the friction wheel 15 can be driven to rotate, a central shaft 18 is fixed at the axis of the friction wheel 15, the left end and the right end of the central shaft 18 are rotatably connected with the auxiliary winder 14, the outer walls of the left side and the right side of the central shaft 18 are both fixed with gears 19, the left side and the right side of the inside of the channel 141 are both provided with vertical guide rods 17, racks 16 which are mutually meshed with the gears 19 are sleeved outside the vertical guide rods 17, the left side and the right side of the inside of the auxiliary winder 14 are both provided with limit grooves 143 for the racks 16 to move, the bottom of the vertical guide rod 17 is fixed at the bottom of the limiting groove 143, an upper pressing plate 20 for flattening the hose is connected to the top between the two racks 16, and a guide hole for the vertical guide rod 17 to pass through is formed in each rack 16.

A T-shaped sliding block 142 is fixed in the middle of the top of the auxiliary rolling device 14, a T-shaped sliding groove matched with the T-shaped sliding block 142 is formed in the bottom of the upper cross rod 13, the T-shaped sliding groove is consistent with the length of the rolling pipe 11 and is located right in front of the rolling pipe 11, the auxiliary rolling device 14 slides left and right in the bottom of the upper cross rod 13 through the T-shaped sliding block 142, and therefore hoses rolled on different positions of the outer wall of the rolling pipe 11 can pass through a channel 141 on the auxiliary rolling device 14 straightly.

Axial chutes 81 are formed in the outer wall of the shaft rod 8 at equal intervals, sliding strips are fixed on the inner wall of the reel pipe 11 at equal intervals and extend inwards, a thread groove is formed in the left end of the shaft rod 8, a threaded rod 101 matched with the thread groove is fixed in the middle of the right end of the second limiting disc 10, when a coiled hose needs to be taken down, the second limiting disc 10 is rotated at first, the threaded rod 101 is screwed out from the thread groove in the shaft rod 8, then the reel pipe 11 is pushed, the reel pipe 11 slides inside the axial chutes 81 through the sliding strips, finally the reel pipe 11 slides out of the outer wall of the shaft rod 8, and the coiled hose can be taken out at the moment.

The oil field concentrated nitrogen production and injection equipment comprises an air compressor, a PSA nitrogen production machine, a supercharger and a water injection pump (not shown in the figure) which are sequentially communicated. The specific connection structure and action mechanism of air compressor, PSA nitrogen generator, booster compressor and water injection pump are prior art, do not do here and describe repeatedly, and the mode of annotating nitrogen is changed into the mode of concentrated system nitrogen gas injection through the mode of annotating nitrogen with dispersion system nitrogen, can effectively reduce power load, cost, reduces equipment and moves expense and time, improves system nitrogen gas purity.

The working principle is as follows: when the automatic hose winding and unwinding equipment is used, the speed reduction motor 7 is started to drive the shaft rod 8 to rotate, the hose is made to rotate, the hose is wound, the hose penetrates through the channel 141 from the front side of the auxiliary winding device 14 and is wound on the outer wall of the hose 11, in the process, the outer wall of the hose is in contact with the friction wheel 15, the friction wheel 15 is driven to rotate clockwise, the middle shaft 18 is made to rotate clockwise, the gear 19 rotates to drive the rack 16 meshed with the gear 19 to move downwards, the two racks 16 move downwards simultaneously, the upper pressing plate 20 moves downwards along with the rack, the top of the hose is pressed downwards, the hose is flattened, the hose is conveniently flattened and wound in a flattened mode, the limiting groove 143 is arranged, the moving range of the rack 16 is limited, and the upper pressing plate 20 cannot crush the hose and cannot obstruct the movement of the hose.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.