CN215508673U

CN215508673U - Hydraulic reaming device for steel pipe

Info

Publication number: CN215508673U
Application number: CN202121627415.3U
Authority: CN
Inventors: 张龙泽; 马彪; 王军
Original assignee: Zhejiang Xintuo Heavy Industry Manufacturing Co ltd
Current assignee: Zhejiang Xintuo Heavy Industry Manufacturing Co ltd
Priority date: 2021-07-17
Filing date: 2021-07-17
Publication date: 2022-01-14
Anticipated expiration: 2031-07-17

Abstract

The utility model discloses a hydraulic reaming device for steel pipes, which structurally comprises a power assembly, a sliding assembly and a holding pipe assembly, wherein the power assembly comprises a hydraulic station, the hydraulic station is connected with a main oil cylinder, the driving end of the main oil cylinder is connected with a piston rod, the sliding assembly comprises a sliding frame, the sliding frame comprises two oppositely arranged main boards, two fixing plates are clamped between the two main boards, the two fixing plates are oppositely arranged, the upper ends of the two fixing plates are respectively provided with a sliding rail, a sliding piece is connected onto the sliding rail in a sliding manner, the piston rod penetrates through the main board on one side and is connected with the sliding piece, the other end of the sliding piece, which is positioned at the piston rod, is connected with a pull rod, a through hole for the pull rod to pass through is formed in the main board on the side far away from the main oil cylinder, the holding pipe assembly is positioned at the side, which is far away from the main oil cylinder, and is used for fixing a steel pipe to be reamed, the main oil cylinder is electrically connected with a control cabinet, the driving action of the power assembly is controlled by the control cabinet.

Description

Hydraulic reaming device for steel pipe

Technical Field

The utility model relates to the technical field of steel pipe processing, in particular to a hydraulic reaming device for a steel pipe.

Background

The steel pipe has a hollow cross section, and its length is far greater than that of steel with a diameter or a circumference. The steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the cross section; the steel pipe is divided into a carbon structural steel pipe, a low-alloy structural steel pipe, an alloy steel pipe and a composite steel pipe according to the material quality; the steel pipes are divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment and the like according to the application; the steel pipe is not only used for conveying fluid and powdery solid, exchanging heat energy and manufacturing mechanical parts and containers, but also is an economic steel, and flaring and flanging are common technological processing modes of the steel pipe. The reaming efficiency of the existing hydraulic reaming device is low, and the steel pipe to be reamed cannot be clamped effectively, so that the existing hydraulic reaming device has certain limitation.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a hydraulic reaming device for a steel pipe, so as to solve the technical problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a hydraulic reaming device for steel pipes comprises a power assembly, slip subassembly and embrace the pipe assembly, power component includes the hydraulic pressure station, the master cylinder is connected at the hydraulic pressure station, the drive end of master cylinder is connected with the piston rod, the slip subassembly includes the carriage, the carriage includes the mainboard that two set up in opposite directions, it is equipped with two fixed plates to press from both sides between two mainboards, two fixed plates set up in opposite directions and the upper end all is equipped with the slide rail, sliding connection has the slider on the slide rail, the piston rod runs through one side mainboard and is connected with the slider, the other end that the slider is located the piston rod is connected with the pull rod, keep away from the mainboard of master cylinder one side and set up the through-hole that supplies the pull rod to pass, the pull rod other end has the installation department that is used for installing the reaming piece, it is fixed to embrace the pipe assembly and is located one side that the carriage deviates from the master cylinder and is used for treating the reaming steel pipe realization, master cylinder electric connection has the switch board, drive action through switch board control power component.

The scheme has the advantages that: firstly, a steel pipe to be reamed is held tightly through a pipe holding assembly to realize position fixing, then the piston rod is controlled to stretch and retract through a main oil cylinder, the piston rod stretches and retracts to drive a sliding piece to do radial reciprocating motion on a sliding frame, the sliding piece drives a pull rod on the other side to realize synchronous motion, the control pull rod penetrates through a pipe hole of the steel pipe to be reamed and extends to the other end of the pipe hole, the pipe hole reaming piece is installed on the end side, away from one side of the sliding piece, of the pull rod through an installation part after the pull rod stretches out of the pipe hole, then the pull rod is controlled to retract to drive the hole reaming piece to pull backwards, and the hole reaming is realized through the pipe hole and the pipe hole in the backward pulling process of the hole reaming piece, so that the hole reaming of the steel pipe is completed; the steel pipe reaming device is convenient to operate, has high reaming efficiency, realizes effective clamping of the steel pipe through the pipe holding assembly, and improves the stability of the steel pipe during reaming.

The utility model is further configured to: embrace the pipe assembly and include two pedestals, two pedestals are L type structural design, and the up end of the horizontal end of both sides pedestal is connected with down the grip slipper jointly, and the vertical end clamp of two pedestals is equipped with the spliced pole, and spliced pole and pedestal front side are located same horizontal position department equidistance array and have a plurality of centre gripping cylinders, and every centre gripping cylinder all is connected with the holder.

The scheme has the advantages that: form recessed V type groove between the fly leaf, place the steel pipe in the V type inslot that the fly leaf of both sides formed, the centre gripping seat under the wrong roll-off of steel pipe is avoided in V type groove, pushes down through the holder and realizes holding the centre gripping tightly to the steel pipe, and the holder can set up a plurality ofly and according to the quantity of waiting the length control of reaming pipe fitting to push down the holder and realize effective centre gripping to the steel pipe as required.

The utility model is further configured to: the movable concave position is arranged on the upper end face of the lower clamping seat, the front side and the rear side of the opening end of the movable concave position are hinged to movable plates, the movable plates are hinged to each other, and the movable concave position is located below the movable plates and provided with a lifting cylinder used for lifting the movable plates.

The scheme has the advantages that: because the central line positions of the pipe fittings with different sizes are different, the movable plate is lifted by the lifting cylinder so as to control the pipe fittings to lift, so that the central line of the pipe hole is in the optimal reaming position.

The utility model is further configured to: the slider includes the block, and the concave assembly groove that is equipped with in block upper end, assembly groove both sides are seted up and are extended to the outer pilot hole of block, and piston rod and pull rod pass two pilot holes respectively and are connected with the block.

The scheme has the advantages that: the assembly groove is formed, so that the parts of the piston rod, the pull rod and the sliding part can be conveniently detached and maintained in daily life when the piston rod, the pull rod and the sliding part are damaged.

The utility model is further configured to: pulleys which are in sliding fit with the sliding rails are further arranged at the four corners below the block body.

The scheme has the advantages that: sliding fit between the pulley and the sliding rail enables the main oil cylinder to save more labor for driving the sliding part, reduces working energy consumption of the device, and meanwhile, the pulley is located at the four corners below the block body, so that stress of each pulley is uniform, the service life of the pulley is prolonged, and stability of the block body during sliding is improved.

The utility model is further configured to: the equal fixation clamp in upper portion of two mainboards is equipped with the fixed column, presss from both sides between the fixed plate to be equipped with a plurality of enhancement posts.

The scheme has the advantages that: make the stability of sliding frame support body when using higher through setting up the fixed column, improve the job stabilization nature of device, avoid the fixed plate to cause the slide rail to take place crooked slope owing to long-time the use takes place to bend simultaneously, and then avoid the sliding block to take place to derail in the course of the work, improve the stability in use and the security of device.

The utility model is further configured to: the outer diameter of the mounting part is smaller than that of the pull rod, the hole expanding piece is in a circular truncated cone-shaped structural design, and the bottom surface of the smaller side of the hole expanding piece faces one side of the pull rod.

The scheme has the advantages that: the external diameter of installation department is less than the external diameter of pull rod and is injectd the pressure degree of depth in reaming piece, take place not hard up and influence reaming work in avoiding reaming piece working process, reaming piece makes the aperture of flaring in-process for progressively propping big through the oblique waist portion of round platform form simultaneously, avoid the aperture sudden increase and cause the excessive deformation of steel pipe or prop brokenly, improve reaming quality and, make the motion of reaming piece more smooth and easy simultaneously, avoid reaming piece taking place the jamming at the entering tube hole in-process.

The utility model is further configured to: a plurality of supports are arranged below the main oil cylinder.

The scheme has the advantages that: the supports arranged at intervals avoid the main oil cylinder from bending due to self gravity to further influence the normal work of the oil injection cylinder.

Drawings

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

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

FIG. 2 is a schematic structural diagram of a pipe embracing assembly according to the present invention;

FIG. 3 is a schematic structural view of the sliding assembly of the present invention;

FIG. 4 is a schematic structural view of the power assembly of the present invention;

fig. 5 is a side view of the structure of the present invention.

Reference numerals: 1. a power assembly; 100. a hydraulic station; 101. a master cylinder; 102. a piston rod; 103. a support; 2. a sliding assembly; 200. a carriage; 201. a main board; 202. a fixing plate; 203. a slide rail; 204. fixing a column; 205. a reinforcement column; 206. a through hole; 3. a pipe holding component; 300. a base body; 301. a lower clamping seat; 302. connecting columns; 303. an upper clamping member; 304. a movable concave position; 305. a movable plate; 306. a lifting cylinder; 307. a clamping cylinder; 4. a slider; 400. a pull rod; 401. an installation part; 402. a reaming piece; 403. a block body; 404. assembling a groove; 405. an assembly hole; 406. a pulley; 5. a control cabinet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Referring to fig. 1-5, a hydraulic steel pipe reaming device according to an embodiment of the present invention includes a power assembly 1, a sliding assembly 2, and a holding pipe assembly 3, where the power assembly 1 includes a hydraulic station 100, the hydraulic station 100 is connected to a main cylinder 101, a driving end of the main cylinder 101 is connected to a piston rod 102, the sliding assembly 2 includes a sliding frame 200, the sliding frame 200 includes two main plates 201 disposed opposite to each other, two fixing plates 202 are interposed between the two main plates 201, the two fixing plates 202 are disposed opposite to each other and have upper ends provided with sliding rails 203, the sliding rails 203 are slidably connected to sliding elements 4, the piston rod 102 penetrates through the main plate 201 on one side and is connected to the sliding elements 4, the other end of the sliding element 4, located on the piston rod 102, is connected to a pull rod 400, the main plate 201 on the side away from the main cylinder 101 is provided with a through hole 206 for the pull rod 400 to pass through, the other end of the pull rod 400 is provided with a mounting portion 401 for mounting the reaming element 402, embrace pipe assembly 3 and be located one side that carriage 200 deviates from master cylinder 101 and be used for treating the reaming steel pipe and realize fixing, master cylinder 101 electric connection has switch board 5, through the drive action of switch board 5 control power component 1.

When the steel pipe reamer is used, a steel pipe to be reamed is tightly held by the pipe holding component 3 to realize position fixing, then the piston rod 102 is controlled to stretch and retract through the main oil cylinder 101, the piston rod 102 is connected with the sliding part 4, the other end of the sliding part 4 is connected with the pull rod 400, further, the sliding part 4 is in sliding connection and matching with the sliding rail 203, the sliding part 4 is driven by the stretching and retracting of the piston rod 102 to do radial reciprocating motion on the sliding frame 200, the pull rod 400 on the other side is driven by the sliding part 4 to realize synchronous motion, the control pull rod 400 penetrates through a through hole 206 formed in the main plate 201 on one side and enters a pipe hole of the steel pipe to be reamed and extends to the other end of the pipe hole, the pipe hole expanding component 402 is installed on the end side, far away from the sliding part 4, of the pull rod 400 is installed on the pull rod 400 through the installation part 401, then the pull rod 400 retracts to drive the hole expanding component 402 to pull backwards, the hole expanding component 402 passes through the pipe hole and realizes reaming in the reverse pulling process, the reaming of the steel pipe is completed, wherein the driving action of the steel pipe reaming machine is controlled by the control cabinet 5, the control cabinet 5 and the circuit connection of each component adopt a conventional connection mode in the prior art, the steel pipe reaming machine belongs to the prior art, and the details are not described herein.

The pipe holding assembly 3 comprises two base bodies 300, wherein the two base bodies 300 are both in an L-shaped structural design, the upper end surfaces of the transverse ends of the base bodies 300 on the two sides are jointly connected with a lower clamping base 301, the vertical ends of the two base bodies 300 are clamped with a connecting column 302, a plurality of clamping air cylinders 307 are arranged at the same horizontal position on the front sides of the connecting column 302 and the base bodies 300 at equal intervals, and each clamping air cylinder 307 is connected with an upper clamping piece 303; the upper end surface of the lower clamping seat 301 is provided with a movable concave portion 304, the front and rear sides of the opening end of the movable concave portion 304 are hinged with movable plates 305, the movable plates 305 are hinged with each other, and the movable concave portion 304 is located below the movable plates 305 and provided with a lifting cylinder 306 for lifting the movable plates 305.

When the steel pipe clamping device is used, when a steel pipe to be reamed needs to be clamped tightly, a movable concave position 304 is formed above a lower clamping seat 301, movable plates 305 are hinged to two sides of the movable concave position 304, the movable plates 305 are connected in a hinged mode, a downward V-shaped groove is formed between the movable plates 305 on the two sides, the steel pipe is placed in the V-shaped groove formed by the movable plates 305 on the two sides, lifting cylinders 306 for lifting the movable plates 305 on the two sides are arranged below the movable plates 305 due to different central line positions of the pipe fittings with different sizes, and the lifting cylinders 306 are used for lifting the movable plates 305 to control the lifting of the pipe fittings so that the central lines of pipe holes are located at the optimal reaming positions; lower grip slipper 301 top, it is provided with a plurality of holders to be located spliced pole 302 front side and spliced pole 302 front side interval, press down through the holder and realize holding the centre gripping tightly to the steel pipe, it can set up a plurality ofly and have a plurality of holders to embrace pipe assembly 3 as required, and press down the quantity of holder to realize effective centre gripping to the steel pipe according to the length control of treating the reaming pipe fitting, wherein holder and 5 electric connection of switch board and the drive action through 5 control holders of switch board, belong to prior art, no longer detail here.

The sliding member 4 includes a block 403, an assembly groove 404 is concavely provided at the upper end of the block 403, assembly holes 405 extending to the outside of the block 403 are provided at two sides of the assembly groove 404, and the piston rod 102 and the pull rod 400 respectively pass through the two assembly holes 405 to be connected with the block 403.

When the sliding device is used, the piston rod 102 and the pull rod 400 respectively penetrate through the assembling holes 405 on the two sides of the block body 403 and are fixedly connected with the block body 403 through the connecting nuts, the connection stability between the piston rod 102 and the pull rod 400 and the block body 403 is guaranteed, the movement stability of the pull rod 400 and the piston rod 102 is further improved, and meanwhile, the assembling grooves 404 are formed, so that the parts of the piston rod 102, the pull rod 400 and the sliding piece 4 can be conveniently detached and maintained in daily life when the parts are damaged.

Pulleys 406 in sliding fit with the sliding rails 203 are further arranged at four corners below the block body 403.

When the sliding device is used, the main oil cylinder 101 is driven by the sliding piece 4 more labor-saving through the sliding fit between the pulleys 406 and the sliding rail 203, the working energy consumption of the device is reduced, meanwhile, the pulleys 406 are located at four corners below the block 403, so that the stress of each pulley 406 is uniform, the service life of the pulleys 406 and the stability of the block 403 during sliding are prolonged, and the sliding piece 4 is prevented from derailing during working.

The upper portions of the two main boards 201 are all fixedly clamped with fixing columns 204, and a plurality of reinforcing columns 205 are clamped between the fixing plates 202.

When using, make the carriage 200 stability of support body when using higher through setting up fixed column 204, improve the job stabilization nature of device, avoid fixed plate 202 to take place the bending and cause slide rail 203 to take place crooked slope owing to long-time the use simultaneously through setting up enhancement post 205 between fixed plate 202, and then avoid the sliding block to take place to derail in the course of the work, improve the stability in use and the security of device.

The outer diameter of the mounting part 401 is smaller than that of the pull rod 400, the reaming piece 402 is in a circular truncated cone-shaped structural design, and the bottom surface of the smaller diameter side of the reaming piece 402 faces one side of the pull rod 400.

When the hole expanding piece 402 is required to be installed, the hole expanding piece 402 is pushed into the installation portion 401, then the hole expanding piece 402 is fixedly installed by screwing in the fixing nut, the outer diameter of the installation portion 401 is smaller than that of the pull rod 400, the inner pressure depth of the hole expanding piece 402 is limited, the phenomenon that the hole expanding work is affected due to looseness in the working process of the hole expanding piece 402 is avoided, meanwhile, the hole expanding piece 402 is in a circular truncated cone-shaped structural design, one side, with the smaller inner diameter, of the circular truncated cone-shaped hole expanding piece 402 firstly enters the pipe hole in the hole expanding process, then the hole expanding piece 402 continues to be pressed in the hole, the hole expanding piece 402 enables the hole diameter in the hole expanding process to be gradually enlarged through the circular truncated cone-shaped inclined waist portion, excessive deformation or support breakage of the steel pipe due to sudden increase of the hole diameter is avoided, the hole expanding quality is improved, meanwhile, the movement of the hole expanding piece 402 is smoother, and clamping stagnation in the pipe hole entering process is avoided.

A plurality of supports 103 are arranged below the main oil cylinder 101.

When the injection cylinder is used, the main cylinder 101 is long and in a suspended state, and the supports 103 arranged at intervals avoid the main cylinder 101 from bending due to self gravity to further influence the normal operation of the injection cylinder.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a steel pipe hydraulic pressure reaming device which characterized in that: the hydraulic power assembly comprises a power assembly (1), a sliding assembly (2) and a pipe holding assembly (3), wherein the power assembly (1) comprises a hydraulic station (100), the hydraulic station (100) is connected with a master cylinder (101), the driving end of the master cylinder (101) is connected with a piston rod (102), the sliding assembly (2) comprises a sliding frame (200), the sliding frame (200) comprises two oppositely arranged main boards (201), two fixing plates (202) are clamped between the two main boards (201), the two fixing plates (202) are oppositely arranged, the upper ends of the two fixing plates (202) are respectively provided with a sliding rail (203), the sliding rail (203) is connected with a sliding piece (4) in a sliding manner, the piston rod (102) penetrates through the main board (201) on one side to be connected with the sliding piece (4), the other end, located on the piston rod (102), of the sliding piece (4) is connected with a pull rod (400), the main board (201) on one side far away from the master cylinder (101) is provided with a through hole (206) for the pull rod (400) to pass through, the pull rod (400) other end has installation department (401) that is used for installing reaming piece (402), it is fixed to embrace one side that pipe assembly (3) are located carriage (200) and deviate from master cylinder (101) and be used for treating the reaming steel pipe realization, master cylinder (101) electric connection has switch board (5), through the drive action of switch board (5) control power component (1).

2. The hydraulic reaming device for steel pipes according to claim 1, characterized in that: embrace pipe assembly (3) and include two pedestal (300), two pedestal (300) are L type structural design, both sides the up end of the horizontal end of pedestal (300) is connected with grip slipper (301) down jointly, two the vertical end clamp of pedestal (300) is equipped with spliced pole (302), spliced pole (302) and pedestal (300) front side are located same horizontal position department equidistance array and have a plurality of centre gripping cylinders (307), every centre gripping cylinder (307) all are connected with holder (303).

3. The hydraulic reaming device for steel pipes according to claim 2, characterized in that: the upper end face of the lower clamping seat (301) is provided with a movable concave position (304), the front side and the rear side of the opening end of the movable concave position (304) are hinged with movable plates (305), the movable plates (305) are hinged with each other, and the movable concave position (304) is arranged below the movable plates (305) and is provided with a lifting cylinder (306) used for lifting the movable plates (305).

4. The hydraulic reaming device for steel pipes according to claim 1, characterized in that: slider (4) include block (403), block (403) upper end is equipped with assembly groove (404) in the recess, assembly hole (405) outside extending to block (403) are seted up to assembly groove (404) both sides, and piston rod (102) and pull rod (400) pass two respectively assembly hole (405) are connected with block (403).

5. The hydraulic reaming device for steel pipes according to claim 4, characterized in that: and pulleys (406) in sliding fit with the sliding rails (203) are further arranged at the four corners below the block body (403).

6. The hydraulic reaming device for steel pipes according to claim 1, characterized in that: the upper parts of the two main boards (201) are fixedly clamped with fixing columns (204), and a plurality of reinforcing columns (205) are clamped between the fixing plates (202).

7. The hydraulic reaming device for steel pipes according to claim 1, characterized in that: the external diameter of installation portion (401) is less than the external diameter of pull rod (400), reaming piece (402) are round platform column structure design, and the bottom surface of the less one side of reaming piece (402) diameter is towards pull rod (400) one side.

8. The hydraulic reaming device for steel pipes according to claim 1, characterized in that: a plurality of supports (103) are arranged below the main oil cylinder (101).