CN219378279U - High-pressure jet flushing machine head with inner wall and outer wall - Google Patents

Abstract

The utility model provides an inner and outer wall high-pressure jet flushing machine head, which comprises a machine head support, a machine head sealing box and an inner and outer annular jet flushing mechanism, wherein the inner rotary jet flushing mechanism comprises a fixed joint, a bearing assembly and a rotary nozzle which are sequentially connected, the joint at the rear part of the fixed joint is connected with the front end of a high-pressure core pipe, the outer annular jet flushing mechanism comprises a water supply supporting ring, a radial nozzle and an outer ring water pipe, the water supply supporting ring is fixed with the machine head support through a connecting piece, openings are uniformly distributed on the inner wall of the water supply supporting ring, a plurality of radial nozzles are respectively and hermetically arranged on the inner wall of the water supply supporting ring, the outer side of the water supply supporting ring is provided with the openings and is hermetically connected with the outer ring water pipe, and the outer ring water pipe is connected with a high-pressure water source. In the running process of the high-pressure jet flushing machine head, when the oil pipe moves back and forth through the machine head, the inner and outer matched flushing mode has an automatic flushing function, the structure is simplified, the implementation is easy, the one-time cleaning is finished, the cleaning efficiency is high, and the cleaning effect is good.

Description

High-pressure jet flushing machine head with inner wall and outer wall

Technical Field

The utility model belongs to the technical field of oil pipe high-pressure jet flushing equipment, and particularly relates to an inner-outer wall high-pressure jet flushing machine head.

Background

In the prior art, the petrochemical pipe fitting is cleaned in the process, the inner wall and the outer wall of the pipe fitting cannot be cleaned synchronously at the same time, different cleaning liquids are not adopted for cleaning the inner wall and the outer wall separately and synchronously, and the cleaning steps are required to be completed, so that the cleaning efficiency is low on one hand, the cleaning means is single on the other hand, and the cleaning capability is poor. The utility model patent with publication number of CN111659675A discloses a petroleum pipe inner and outer wall cleaning device, wherein two bearing frames for supporting petroleum pipe are fixedly connected to the inner wall in a cleaning tank, rollers are rotationally connected to the inner wall of the bearing frames, moving plates are connected to two sides of the bottom of the cleaning tank through first sliding rail pieces, and a driving unit for driving the moving plates to move forwards and backwards is connected to the bottom of the cleaning tank. The technical scheme aims at synchronously cleaning the inner wall and the outer surface of the petroleum pipe fitting, but adopts the structures such as the cleaning brush, the roll-over stand and the like, and has the problems of complex structure and low cleaning efficiency and high long-term operation and maintenance cost.

Disclosure of Invention

Aiming at the current situation that the existing oil pipe cleaning equipment lacks equipment for simultaneously flushing the inner wall and the outer wall of the oil pipe by high-pressure jet flow, the utility model provides the inner wall and the outer wall of the oil pipe by high-pressure jet flow, and the inner wall and the outer wall of the oil pipe are simultaneously flushed by high-pressure jet flow in the reciprocating movement process of the oil pipe, so that the cleaning is finished once.

The utility model solves the technical problems by adopting the scheme that: the utility model provides an inside and outside wall high pressure jet flushing machine head, includes aircraft nose support, aircraft nose seal box, inside rotatory efflux flushing mechanism and outside annular efflux flushing mechanism, inside rotatory efflux flushing mechanism including fixed joint, bearing assembly and the rotatory nozzle that connects gradually, the joint at fixed joint rear portion connect in the front end of high-pressure core pipe, outside annular efflux flushing mechanism include water supply support ring, radial shower nozzle and outer annular water pipe, water supply support ring is together fixed through the connecting piece with the aircraft nose support, ensures rotatory nozzle and is located water supply support ring's central region, water supply support ring's inner wall equipartition has the trompil and seals respectively installs a plurality of radial shower nozzles, water supply support ring's outside sets up trompil and sealing connection outer annular water pipe, outer annular water pipe is connected with the high-pressure water source.

Further, the bearing assembly comprises a sealing shell, an axle center rotating pipe and a sealing bearing group which are sequentially sleeved, the front part of the fixed joint is fixedly connected with the sealing shell of the bearing assembly, the front end of the axle center rotating pipe is fixedly connected with the main body of the rotary spray head, and a central channel is arranged at the axial position of the rotary spray head.

Further, side branch channels are respectively arranged in the side wall of the main body of the rotary spray head along different directions of front, middle and rear, and each side branch channel is respectively provided with a nozzle.

Further, a nose sealing box is fixed on the inner side of the nose support, a side door and a fastener are arranged on one side of the tightness, a guide cover is arranged at the bottom of the sealing box, and a water guide groove is arranged at the bottom of the guide cover.

Further, sealing plates are respectively arranged at the hole positions of the inlet and outlet of the box body, and through holes are formed in the centers of the sealing plates so as to facilitate the oil pipe to pass through.

Further, a positioning sleeve is fixed on the front side of the water supply support ring, after the positioning sleeve supports the oil pipe, the equidistant between the inner wall of the oil pipe and the rotary spray heads is ensured, and the equidistant between the outer wall of the oil pipe and each radial spray head is ensured.

The utility model has the beneficial effects that: in the running process of the inner and outer wall high-pressure jet flushing machine head, when the oil pipe moves back and forth through the machine head, the oil pipe passes through the outer side of the rotary spray head and passes through the inner side of the water supply supporting ring, the inner rotary jet flushing mechanism is used for carrying out high-pressure jet rotary flushing on the inner wall of the passing oil pipe, and the plurality of radial spray heads on the inner side of the water supply supporting ring are used for carrying out high-pressure jet fixed flushing on the outer wall of the oil pipe. Therefore, when the oil pipe passes through the flushing machine head, the inner wall and the outer wall of the oil pipe can be ensured to simultaneously obtain a high-pressure flushing effect, the inner wall and the outer wall of the oil pipe can be respectively flushed at high pressure twice by the flushing machine head in the reciprocating process of the oil pipe, the flushing mode of the inner and outer matching has an automatic flushing function, the structure is simplified, the operation is easy, the one-time cleaning is finished, and the cleaning efficiency is high and the cleaning effect is good.

Drawings

FIG. 1 is a view showing the construction of the external appearance of an inner and outer wall high pressure jet flushing head;

FIG. 2 is an internal block diagram of an inner and outer wall high pressure jet flushing head;

FIG. 3 is a partially enlarged block diagram of FIG. 2;

FIG. 4 is an external view of the rotary sprayer;

fig. 5 is an internal structural view of the rotary sprayer.

Reference numerals in the drawings: the device comprises a machine head support 301, a machine head sealing box 302, a side door 303, a guide cover 304, an auxiliary frame 305, a fixing seat 306, a water supply supporting ring 307, a radial nozzle 308, an outer annular water pipe 309 and a sealing plate 311.

Description of the embodiments

The utility model will be further described with reference to the drawings and examples.

Example 1: an inner and outer wall high-pressure jet flushing machine head as shown in fig. 1 and 2 is designed mainly aiming at the defect of the existing oil pipe cleaning equipment that the inner and outer walls of an oil pipe are simultaneously flushed by high-pressure jet, and the flushing mechanism mainly comprises a machine head support 301, a machine head sealing box 302, an inner rotary jet flushing mechanism, an outer annular jet flushing mechanism and the like. The basic principle is that the cleaning tool is used for injecting high-speed jet flow and simultaneously impacting the inner surface and the outer surface of the pipe column, and the jet flow collides with dirt, rubs and shears, so that the purposes of cleaning and descaling are achieved, the operation is simple, and the environment is not polluted.

Specifically, as shown in fig. 3 and 4, the internal rotary jet flushing mechanism includes a stationary joint 203, a bearing assembly 204, a rotary spray head 205, and a nozzle 214, which are connected in sequence. The connector 215 at the rear of the fixed connector 203 is connected to the front end of the high-pressure core tube in a sealing manner (the rear end of the high-pressure core tube is connected with a high-pressure water source).

The bearing assembly 204 includes a sealed housing, an axial swivel 216, and a sealed bearing set 217, which are nested one after the other. The front part of the fixed joint 203 is fixedly connected with the sealed shell of the bearing assembly, the front end of the axle center rotary pipe 216 is fixedly connected with the main body of the rotary spray head 205, a central channel 218 (inner cavity) is arranged at the axial position of the rotary spray head 205, side branch channels 219 are respectively arranged in the front, middle and rear directions in the side wall of the main body of the rotary spray head 205, and a nozzle 214 is respectively arranged on each side branch channel 219.

As shown in fig. 2 and 3, the outer annular jet flushing mechanism comprises a water supply support ring 307, radial jets 308 and an outer annular water tube 309. Wherein the water supply support ring 307 is secured to the handpiece mount 301 by a connector that ensures that the rotary sprayer 205 is positioned in a central region of the water supply support ring 307, including in the very center or front or rear of the center of the water supply support ring 307. The inner wall of the water supply support ring 307 is uniformly provided with holes and is respectively provided with a plurality of radial spray heads 308 in a sealing manner, the outer side of the water supply support ring 307 is provided with holes and is in sealing connection with the outer ring water pipe 309, and the outer ring water pipe 309 is connected with a high-pressure water source.

When the high-pressure jet flushing head with the inner wall and the outer wall of the embodiment is used, the oil pipe passes through the outer side of the rotary spray head 205 and passes through the inner side of the water supply support ring 307, namely, the inner rotary jet flushing mechanism is utilized to perform high-pressure jet rotary flushing on the inner wall of the passing oil pipe, and meanwhile, the plurality of radial spray heads 308 on the inner side of the water supply support ring 307 are utilized to perform high-pressure jet fixed flushing on the outer wall of the oil pipe. Therefore, when the oil pipe passes through the flushing machine head, the inner wall and the outer wall of the oil pipe can be ensured to simultaneously obtain a high-pressure flushing effect, the inner wall and the outer wall of the oil pipe can be respectively flushed at high pressure for two times by using the flushing machine head in the reciprocating process of the oil pipe, and the flushing mode of the inner and outer matching has an automatic flushing function, so that the oil pipe flushing machine head has the advantages of simple structure, easiness in implementation, high flushing efficiency and good effect.

In order to ensure that high-pressure water does not pollute the environment during flushing, a machine head sealing box 302 is fixed on the inner side of a machine head support 301, a side door 303 and a fastener are arranged on one side of the sealing performance, as shown in fig. 1, a guide cover 304 is arranged at the bottom of the sealing box, and a guide water tank (not shown in the figure) is arranged at the bottom of the guide cover 304. Sealing plates 311 are respectively arranged at the hole positions of the inlet and outlet of the box body, and through holes are arranged at the centers of the sealing plates so as to facilitate the oil pipe to pass through.

Example 2: in addition to embodiment 1, a proximity switch (or other displacement sensor) for monitoring the travel of the front end of the oil pipe is further installed in front of the top frame 402, and when the controller determines the position of the front end of the oil pipe based on the sensing signal of the proximity switch, the controller controls the lifting mechanism 412 to move the lifting frame 407 downward, and further moves the upper movable roller 408 downward. When the front end of the oil pipe advances to be positioned above the lower fixed carrier roller 405, the upper movable roller 408 just contacts with the end of the oil pipe, so that the purpose of constant pressure transmission is achieved.

The above detailed description of the present utility model is merely illustrative or explanatory of the principles of the utility model and is not necessarily intended to limit the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model.

Claims (5)

1. The utility model provides an inside and outside wall high pressure jet flushing aircraft nose, its characterized in that, including aircraft nose support (301), aircraft nose seal box (302), inside rotatory jet flushing mechanism and outside annular jet flushing mechanism, inside rotatory jet flushing mechanism including fixed joint (203), bearing assembly (204) and rotatory nozzle (205) that connect gradually, interface (215) at fixed joint (203) rear portion are connected in the front end of high-pressure core pipe, outside annular jet flushing mechanism include water supply support ring (307), radial shower nozzle (308) and outer ring water pipe (309), water supply support ring (307) are together fixed through the connecting piece with aircraft nose support (301), ensure rotatory nozzle (205) are located the central zone of water supply support ring (307), the inner wall equipartition of water supply support ring (307) has trompil and installs a plurality of radial shower nozzles (308) respectively in a sealing way, the outside of water supply support ring (307) sets up trompil and sealing connection outer ring water pipe (309), outer ring water pipe (309) are connected with high-pressure water source.

2. The inner and outer wall high pressure jet flushing head as claimed in claim 1, characterized in that the bearing assembly (204) comprises a sealed housing, an axial rotation tube (216) and a sealed bearing group (217) which are sequentially sleeved, the front part of the fixed joint (203) is fixedly connected with the sealed housing of the bearing assembly, the front end of the axial rotation tube (216) is fixedly connected with the main body of the rotary nozzle (205), and a central channel (218) is arranged at the axial position of the rotary nozzle (205).

3. The inner and outer wall high pressure jet flushing head as claimed in claim 1, characterized in that side branch passages (219) are provided in the front, middle and rear directions respectively in the side wall of the main body of the rotary flushing head (205), and nozzles (214) are mounted on each side branch passage (219) respectively.

4. The high-pressure jet flushing head with the inner and outer walls according to claim 1, wherein a head sealing box (302) is fixed on the inner side of a head support (301), a side door (303) and a fastener are arranged on one side of the sealing performance, a guide cover (304) is arranged at the bottom of the sealing box, and a guide water tank is arranged at the bottom of the guide cover (304).

5. The inner and outer wall high pressure jet flushing head as set forth in claim 1, wherein sealing plates (311) are installed at the inlet and outlet holes of the case, respectively, and a through hole is provided at the center thereof to facilitate the oil pipe to pass through.