CN113618323B - Auxiliary centering device for installation of underground pressure steel pipe - Google Patents
Auxiliary centering device for installation of underground pressure steel pipe Download PDFInfo
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- CN113618323B CN113618323B CN202110824684.7A CN202110824684A CN113618323B CN 113618323 B CN113618323 B CN 113618323B CN 202110824684 A CN202110824684 A CN 202110824684A CN 113618323 B CN113618323 B CN 113618323B
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- inner ring
- butt joint
- platform
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- installation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0531—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor internal pipe alignment clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses an auxiliary centering device for mounting underground pressure steel pipes, which belongs to the technical field of underground pressure steel pipe mounting and comprises a butt joint inner ring, a connection inner ring and a driving inner ring, wherein a plurality of connecting rods are arranged on the outer side of the butt joint inner ring, the connection inner ring and the driving inner ring in an array manner, a synchronous hydraulic cylinder is arranged on the outer side of each connecting rod corresponding to the butt joint inner ring, a butt joint guide seat is arranged on the outer side of the synchronous hydraulic cylinder corresponding to the butt joint inner ring, a supporting block is fixedly connected to the outer side of the synchronous hydraulic cylinder corresponding to the connection inner ring and the driving inner ring, a guide rod is fixedly connected to the front end of each connecting rod, and the guide rod is arranged in an inwards inclined manner from back to front.
Description
Technical Field
The invention relates to the technical field of installation of underground pressure steel pipes, in particular to an auxiliary centering device for installation of an underground pressure steel pipe.
Background
Hydraulic engineering is an engineering which is built for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harmful substances and benefiting benefits. Also known as water engineering. Water is a valuable resource essential for human production and life, but its naturally occurring state does not completely meet the needs of human beings. Only when hydraulic engineering is built, water flow can be controlled, flood disasters are prevented, and water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production. Hydraulic engineering needs to build various types of hydraulic buildings such as dams, dikes, spillways, water gates, water inlets, channels, transition troughs, rafts, fishways and the like so as to achieve the aims.
In current hydraulic engineering, use underground pressure steel pipe in a large number to carry out the rivers and carry, when underground pressure steel pipe need dock when installing, the tube coupling transports to the installation position, utilizes fork truck or jack to fix a position the steel pipe to tube coupling center department, carries out the location support with shaped steel, later utilizes the jack to adjust steel pipe bottom axis direction after with the bottom reinforcement firm. Then, tools such as a self-made ejector rod, a chain block, a wedge pressing plate and the like are used for butt joint pipe orifice joint pressing, the center, the elevation, the mileage, the pipe orifice verticality and the pipe orifice two-waist mileage of an installation pipe joint are adjusted, the whole butt joint operation process depends on manual work, the operation is troublesome, the underground operation space is narrow, the adjustment on the steel pipe is very troublesome, and the auxiliary centering device for underground pressure steel pipe installation is provided.
Disclosure of Invention
The invention aims to provide an auxiliary centering device for installing an underground pressure steel pipe, which can realize automatic centering connection of pipe joints of the pressure steel pipe, is convenient for subsequent reinforcement welding work and greatly saves the construction time.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides an installation of underground pressure steel pipe is with supplementary centering device, includes butt joint inner ring, connection inner ring and drive inner ring, the outside array of butt joint inner ring, connection inner ring and drive inner ring is provided with a plurality of connecting rods, and every connecting rod outside corresponds the butt joint inner ring, connects inner ring and drive inner ring position and all is provided with synchronous hydraulic cylinder, corresponds the butt joint inner ring install the butt joint guide holder in the synchronous hydraulic cylinder outside, correspond and connect inner ring and drive inner ring synchronous hydraulic cylinder outside fixedly connected with supporting shoe, the front end fixedly connected with guide bar of connecting rod, the guide bar is the leanin setting from the back to the front, the outside array of guide bar is provided with a plurality of spherical ball seats, the rear end of connecting rod all is provided with moving mechanism, the inner wall of drive inner ring is provided with actuating mechanism, actuating mechanism's output all communicates with a plurality of synchronous hydraulic cylinder and a plurality of moving mechanism inputs.
As a preferred scheme of the present invention, a plurality of connecting seats are arranged in an array on the outer sides of the inner butting ring, the inner connecting ring and the inner driving ring, the connecting seats on the inner butting ring, the inner connecting ring and the inner driving ring are respectively arranged corresponding to the connecting rods, the connecting seats are fixedly connected to the inner sides of the connecting rods, and the synchronous hydraulic cylinder penetrates through the connecting rods and is inserted into the connecting seats.
According to a preferable scheme of the invention, the bottom of the connecting seat is provided with the electromagnetic valves, the electromagnetic valves corresponding to the same connecting rod are connected through the oil conveying pipe, and the oil conveying pipe penetrates through the side wall of the connecting seat.
As a preferable scheme of the invention, the driving mechanism comprises a hydraulic pump, an annular oil circuit synchronous distributor and an oil storage tank, the oil storage tank is buried in the center of the inner wall of the driving inner ring, the output end of the oil storage tank is communicated with the right end of the oil conveying pipe, the input end of the oil storage tank is communicated with the output end of the hydraulic pump, and the input end of the hydraulic pump is communicated with the bottom of the inner cavity of the oil storage tank.
In a preferred embodiment of the present invention, a manhole is disposed between the hydraulic pump and the oil storage tank, and the height of the manhole is equal to the radius of the driving inner ring.
As a preferable scheme of the invention, the butt joint guide seat comprises a plurality of roller seats and a plurality of steel rollers, the plurality of steel rollers are rotatably connected to the outer ends of the roller seats at equal intervals, and the outer sides of the supporting blocks are fixedly connected with rubber pads.
As a preferable scheme of the present invention, the moving mechanism includes a hydraulic motor and two moving wheels, the hydraulic motor is fixedly mounted at the rear end of the connecting rod, output shafts are provided at both ends of the hydraulic motor, and the two moving wheels are respectively and fixedly connected to output ends at both ends of the hydraulic motor.
As a preferred scheme of the present invention, the inner sides of the butt joint inner ring and the connection inner ring are provided with working platforms, the centers of the inner walls of the butt joint inner ring and the connection inner ring are provided with platform sliding grooves, the two sides of the working platform are provided with platform pulleys corresponding to the platform sliding grooves, and the platform pulleys are slidably connected in the platform sliding grooves.
As a preferred scheme of the invention, the upper end of the working platform is in threaded connection with a brake screw rod corresponding to the center of the inner wall of the connecting inner ring, the lower end of the brake screw rod is inserted into the sliding groove of the platform connected with the inner wall of the connecting inner ring, the lower end of the brake screw rod is fixedly connected with a brake friction block, and the brake friction block is abutted against two sides of the sliding groove of the platform connected with the inner wall of the connecting inner ring.
In a preferred embodiment of the present invention, a guide ball is disposed at a joint of the connecting rod and the guide rod, and an upper end of the guide ball is flush with an innermost end of the butt joint guide seat.
Compared with the prior art, the invention has the advantages that:
(1) This scheme is through setting up guide bar and spherical ball seat, make the pressure steel pipe coupling of treating the installation can directly cup joint the toper cover outer wall of constituteing at a plurality of guide bars, through the contact of spherical ball seat and coupling inner wall, the resistance that the coupling removed has been reduced, the guide bar of slope can lead the centering position gradually with the coupling, offset until coupling tip and adjacent coupling, extend through driving a plurality of butt joint guide seats in step this moment, make the coupling accomplish the centering, then treat the installation coupling through promoting, make the coupling of treating installation coupling and adjacent coupling seam, the butt joint of coupling has been realized automatically, the device simple structure, and convenient operation, and need not to occupy this narrow operating space of coupling outer wall, greatly reduced the degree of difficulty of coupling, the installation effectiveness of underground pressure steel pipe has been improved.
(2) According to the scheme, the moving mechanism is arranged, so that the moving mechanism can be matched with the butt joint guide seat, the whole device moves in the underground steel pipe, the continuous operation of pipe joint installation is facilitated, and the working efficiency of pipe joint installation is further improved;
(3) This scheme provides the platform for staff's earlier stage weldment work in the pressure steel pipe through setting up work platform, has improved welding operation's comfort level greatly, has improved work efficiency.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a side cross-sectional view of the present invention;
FIG. 3 is a front cross-sectional view of the present invention;
fig. 4 is a schematic diagram of the position structure of the centering operation of the present invention.
1. Butting the inner rings; 2. connecting the inner ring; 3. a drive inner ring; 4. a connecting seat; 5. a connecting rod; 6. a synchronous hydraulic cylinder; 7. a supporting block; 8. a butt joint guide seat; 9. a guide bar; 10. a spherical ball seat; 11. a moving mechanism; 12. a drive mechanism; 13. a working platform; 14. a rubber pad; 15. a roller seat; 16. steel rollers; 17. a guide ball; 18. a hydraulic pump; 19. an annular oil way synchronous distributor; 20. an oil delivery pipe; 21. an electromagnetic valve; 22. a hydraulic motor; 23. a moving wheel; 24. an oil storage tank; 25. a platform chute; 26. a platform pulley; 27. braking the screw rod; 28. braking the friction block; 29. a manhole.
Detailed Description
The technical solution 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. It is to be understood that the embodiments described are merely exemplary embodiments, rather than exemplary embodiments, and that all other embodiments may be devised by those skilled in the art without departing from the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment is as follows:
referring to fig. 1-4, an auxiliary centering device for installing an underground pressure steel pipe comprises a butt-joint inner ring 1, a connection inner ring 2 and a driving inner ring 3, wherein a plurality of connecting rods 5 are arranged on the outer side of the butt-joint inner ring 1, the outer side of the connection inner ring 2 and the driving inner ring 3 in an array mode, a synchronous hydraulic cylinder 6 is arranged on the outer side of each connecting rod 5 corresponding to the butt-joint inner ring 1, a butt-joint guide seat 8 is arranged on the outer side of the synchronous hydraulic cylinder 6 corresponding to the butt-joint inner ring 1, a supporting block 7 is fixedly connected to the outer side of the synchronous hydraulic cylinder 6 corresponding to the connection inner ring 2 and the driving inner ring 3, a guide rod 9 is fixedly connected to the front end of each connecting rod 5, the guide rod 9 is arranged in an inward inclined mode from back to front, a plurality of spherical ball seats 10 are arranged on the outer side of the guide rod 9 in an array mode, a moving mechanism 11 is arranged at the rear end of each connecting rod 5, a driving mechanism 12 is arranged on the inner wall of the driving inner ring 3, and the output end of the driving mechanism 12 is communicated with the input ends of the plurality of the synchronous hydraulic cylinders 6 and the moving mechanisms 11.
Specifically, the outer side arrays of the butt joint inner ring 1, the connection inner ring 2 and the driving inner ring 3 are provided with a plurality of connecting seats 4, the connecting seats 4 on the butt joint inner ring 1, the connection inner ring 2 and the driving inner ring 3 respectively correspond to the connecting rods 5, the connecting seats 4 are fixedly connected to the inner side of the connecting rods 5, and the synchronous hydraulic cylinder 6 penetrates through the connecting rods 5 and is inserted into the connecting seats 4.
In this embodiment, by providing the connecting seat 4, a space is provided for installation of the synchronous hydraulic cylinder 6, which facilitates installation and installation of the oil delivery pipe 20 and the electromagnetic valve 21.
Specifically, the bottom of connecting seat 4 is provided with solenoid valve 21, and connects through defeated oil pipe 20 between the solenoid valve 21 that corresponds same connecting rod 5, and defeated oil pipe 20 runs through connecting seat 4 lateral wall and sets up.
In this embodiment, through setting up defeated oil pipe 20 and solenoid valve 21, through opening and close of solenoid valve 21 control synchronous pneumatic cylinder 6, through defeated oil pipe 20 oil transportation to control the synchronous work of a plurality of synchronous pneumatic cylinders 6, guaranteed the synchronous jacking shrink of supporting shoe 7 and butt joint guide holder 8, guaranteed the normal operating of equipment.
Specifically, the driving mechanism 12 includes a hydraulic pump 18, an annular oil-way synchronous distributor 19 and an oil storage tank 24, the oil storage tank 24 is embedded in the center of the inner wall of the driving inner ring 3, the output end of the oil storage tank 24 is communicated with the right end of the oil delivery pipe 20, the input end of the oil storage tank 24 is communicated with the output end of the hydraulic pump 18, and the input end of the hydraulic pump 18 is communicated with the bottom of the inner cavity of the oil storage tank 24.
In this embodiment, by providing the hydraulic pump 18 and the annular oil passage synchronous distributor 19, the hydraulic pump 18 is uniformly distributed by the annular oil passage synchronous distributor 19 and outputs hydraulic oil, thereby controlling the plurality of synchronous hydraulic cylinders 6 to operate synchronously, and the oil storage tank 24 is used for storing hydraulic oil.
Specifically, a manhole 29 is provided between the hydraulic pump 18 and the oil reservoir 24, and the height of the manhole 29 is equal to the radius of the driving inner ring 3.
In this embodiment, through setting up manhole 29 for the staff can get into the pipeline rear side through manhole 29, and the device of being convenient for moves away the back and continues to weld the reinforcement to pipeline seam inboard, guarantees that the pipeline junction is firm.
Specifically, the butt joint guide seat 8 comprises a roller seat 15 and a plurality of steel rollers 16, the steel rollers 16 are connected to the outer end of the roller seat 15 in a rotating mode at equal intervals, and a rubber pad 14 is fixedly connected to the outer side of the supporting block 7.
In this embodiment, by providing the roller seat 15 and the steel rollers 16, the roller seat 15 pushes the steel rollers 16 to abut against the inner wall of the pipe joint, so as to complete the centering of the pipe joint, and at the same time, it is ensured that the pipe joint to be installed can move along the steel rollers 16, thereby facilitating the alignment of the joint.
Specifically, moving mechanism 11 includes hydraulic motor 22 and removes wheel 23, and hydraulic motor 22 fixed mounting is in the rear end of connecting rod 5, and hydraulic motor 22's both ends all are provided with the output shaft, removes wheel 23 and is provided with two, and two remove wheel 23 respectively with hydraulic motor 22 both ends output fixed connection.
In this embodiment, by providing the hydraulic motor 22, the hydraulic motor 22 has a low-speed and high-torque characteristic, and can provide sufficient power for the movement of the device, and the hydraulic motor 22 has a small size, and is suitable for the use in a compact working space of the inner wall of the pipe joint, and meanwhile, the hydraulic motor 22 can be directly driven by the hydraulic pump 18 by adopting hydraulic driving, so that the arrangement of an additional power source is reduced.
Specifically, the inner sides of the butt joint inner ring 1 and the connection inner ring 2 are provided with a working platform 13, the inner wall centers of the butt joint inner ring 1 and the connection inner ring 2 are provided with platform sliding grooves 25, the two sides of the working platform 13 are provided with platform pulleys 26 corresponding to the platform sliding grooves 25, and the platform pulleys 26 are slidably connected in the platform sliding grooves 25.
In this embodiment, through setting up work platform 13, for the staff welding work in earlier stage in the pressure steel pipe provides the platform, improved welding operation's comfort level greatly, improved work efficiency.
Specifically, the upper end of the working platform 13 is connected to the center of the inner wall of the inner ring 2 correspondingly, and is connected to a brake screw 27 through a thread, the lower end of the brake screw 27 is inserted into the platform sliding slot 25 of the inner wall of the inner ring 2, and the lower end of the brake screw 27 is fixedly connected to a brake friction block 28, and the brake friction block 28 is abutted against two sides of the platform sliding slot 25 of the inner wall of the inner ring 2. The arrangement of the platform sliding groove 25 and the platform pulley 26 enables the working platform 13 to keep balance when the device is deviated, and the applicability of the working platform 13 is improved.
In this embodiment, by arranging the brake screw 27 and the brake friction block 28, the operator can fix the working platform 13 by the friction between the brake friction block 28 and the platform sliding groove 25, so as to prevent the working platform 13 from sliding, and ensure the stability of the working platform 13 during operation.
Specifically, a guide ball 17 is arranged at the joint of the connecting rod 5 and the guide rod 9, and the upper end of the guide ball 17 is flush with the innermost end of the butt joint guide seat 8.
In this embodiment, through setting up direction ball 17, the card is died when having avoided the tube coupling to move to connecting rod 5 from guide bar 9, has guaranteed the normal use of device.
The working principle is as follows: when an underground pressure steel pipe is installed, a positioning pipe is installed and fixed firstly, then a device is arranged on one side of the positioning pipe, a hydraulic pump 18 drives a synchronous hydraulic cylinder 6 on a connecting inner ring 2 and a driving inner ring 3 to synchronously extend, two groups of supporting blocks 7 on the outer sides of the connecting inner ring 2 and the driving inner ring 3 are abutted against the inner wall of the pressure steel pipe to complete the fixation of the device, the device and the positioning pipe are aligned, then the pipe to be installed is hoisted to the installation side, the pipe to be installed of the pressure steel pipe can be directly sleeved on the outer wall of a conical sleeve formed by a plurality of guide rods 9, the pipe to be installed is aligned by the contact of a spherical ball seat 10 and the inner wall of the pipe, the resistance of the movement of the pipe is reduced, the inclined guide rods 9 can gradually guide the pipe to the aligned position until the end part of the pipe abuts against an adjacent pipe, at the moment, the pipe to be aligned is aligned by driving a plurality of alignment guide seats 8 to synchronously extend, then the pipe to be installed, the pipe to be aligned, the pipe to be installed of the pipe to be aligned with the joint of the adjacent pipe by pushing the pipe to be installed, the inner pipe joint and the outer pipe to be automatically butted, and the pipe joint of the inner pipe to be reinforced and the outer pipe joint of the inner and the outer pipe to be reinforced by welding from two sides of the inner and the outer pipe joint to be reinforced;
after the outside welded fastening is accomplished, the seam that shows through work platform 13 welding inboard, then two sets of supporting shoe 7 of hydraulic pump 18 drive are synchronous to be shrunk, the device relies on moving mechanism 11 and butt joint guide holder 8 to offset with two sections fixed penstock inner walls together this moment, then through the operation of hydraulic pump 18 drive moving mechanism 11, make the device remove to next installation side along the pipeline inner wall, the staff passes through manhole 29 entering device rear side, continue the welding reinforcement with the position that the pipe coupling seam department inboard was sheltered from by the device, accomplish the connection of penstock, repeat above-mentioned step until the installation of accomplishing whole pipe couplings.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to cover the technical scope of the present invention, the technical solutions and the modifications thereof according to the present invention within the technical scope of the present invention.
Claims (6)
1. The utility model provides an installation of underground pressure steel pipe is with supplementary centering device, includes butt joint inner ring (1), connects inner ring (2) and drive inner ring (3), its characterized in that: the outer side arrays of the butt joint inner ring (1), the connecting inner ring (2) and the driving inner ring (3) are provided with a plurality of connecting rods (5), the outer side of each connecting rod (5) corresponds to the positions of the butt joint inner ring (1), the connecting inner ring (2) and the driving inner ring (3) and is provided with a synchronous hydraulic cylinder (6), the outer side of the synchronous hydraulic cylinder (6) corresponding to the butt joint inner ring (1) is provided with a butt joint guide seat (8), the outer side of the synchronous hydraulic cylinder (6) corresponding to the connecting inner ring (2) and the driving inner ring (3) is fixedly connected with a supporting block (7), the front end of each connecting rod (5) is fixedly connected with a guide rod (9), the guide rod (9) is arranged in an inward inclined mode from back to front, the outer side arrays of the guide rod (9) are provided with a plurality of spherical ball seats (10), the rear ends of the connecting rods (5) are provided with moving mechanisms (11), the inner wall of the driving inner ring (3) is provided with a driving mechanism (12), and the output end of the driving mechanism (12) is communicated with the hydraulic cylinders (6) and the input ends of the plurality of the synchronous moving mechanisms (11);
the outer sides of the butt joint inner ring (1), the connecting inner ring (2) and the driving inner ring (3) are provided with a plurality of connecting seats (4) in an array mode, the connecting seats (4) on the butt joint inner ring (1), the connecting inner ring (2) and the driving inner ring (3) are respectively arranged corresponding to the connecting rods (5), the connecting seats (4) are fixedly connected to the inner sides of the connecting rods (5), and the synchronous hydraulic cylinder (6) penetrates through the connecting rods (5) and is inserted into the connecting seats (4);
the bottom of the connecting seat (4) is provided with an electromagnetic valve (21), the electromagnetic valves (21) corresponding to the same connecting rod (5) are connected through an oil delivery pipe (20), and the oil delivery pipe (20) penetrates through the side wall of the connecting seat (4);
the driving mechanism (12) comprises a hydraulic pump (18), an annular oil way synchronous distributor (19) and an oil storage tank (24), the oil storage tank (24) is buried in the center of the inner wall of the driving inner ring (3), the output end of the oil storage tank (24) is communicated with the right end of the oil conveying pipe (20), the input end of the oil storage tank (24) is communicated with the output end of the hydraulic pump (18), and the input end of the hydraulic pump (18) is communicated with the bottom of the inner cavity of the oil storage tank (24);
moving mechanism (11) include hydraulic motor (22) and remove wheel (23), hydraulic motor (22) fixed mounting is in the rear end of connecting rod (5), and the both ends of hydraulic motor (22) all are provided with the output shaft, it is provided with two to remove wheel (23), and two remove wheel (23) respectively with hydraulic motor (22) both ends output fixed connection.
2. The auxiliary centering device for installation of the underground pressure steel pipe as claimed in claim 1, wherein: a manhole (29) is arranged between the hydraulic pump (18) and the oil storage tank (24), and the height of the manhole (29) is equal to the radius of the driving inner ring (3).
3. The auxiliary centering device for installation of the underground pressure steel pipe as claimed in claim 1, wherein: the butt joint guide seat (8) comprises a roller seat (15) and a plurality of steel rollers (16), the steel rollers (16) are connected to the outer end of the roller seat (15) in a rotating mode at equal intervals, and a rubber pad (14) is fixedly connected to the outer side of the supporting block (7).
4. The auxiliary centering device for installation of the underground pressure steel pipe as claimed in claim 1, wherein: the inboard of butt joint inner ring (1) and connection inner ring (2) is provided with work platform (13), the inner wall center of butt joint inner ring (1) and connection inner ring (2) is provided with platform spout (25), the both sides of work platform (13) correspond platform spout (25) and are provided with platform pulley (26), platform pulley (26) sliding connection is in platform spout (25).
5. The auxiliary centering device for installation of the underground pressure steel pipe as claimed in claim 4, wherein: the upper end of the working platform (13) is correspondingly connected with the center of the inner wall of the inner ring (2) in a threaded manner and is connected with a brake screw (27), the lower end of the brake screw (27) is inserted into the sliding groove (25) of the inner wall platform of the inner ring (2), the lower end of the brake screw (27) is fixedly connected with a brake friction block (28), and the brake friction block (28) is abutted against the two sides of the sliding groove (25) of the inner wall platform of the inner ring (2).
6. The auxiliary centering device for installation of the underground pressure steel pipe as claimed in claim 1, wherein: the joint of the connecting rod (5) and the guide rod (9) is provided with a guide ball (17), and the upper end of the guide ball (17) is flush with the innermost end of the butt joint guide seat (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110824684.7A CN113618323B (en) | 2021-07-21 | 2021-07-21 | Auxiliary centering device for installation of underground pressure steel pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110824684.7A CN113618323B (en) | 2021-07-21 | 2021-07-21 | Auxiliary centering device for installation of underground pressure steel pipe |
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| CN113618323A CN113618323A (en) | 2021-11-09 |
| CN113618323B true CN113618323B (en) | 2023-01-17 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116551248A (en) * | 2023-04-26 | 2023-08-08 | 瑞安市金星汽车零部件有限公司 | Car oil tank hydraulic fluid port installation frock |
| CN117090997B (en) * | 2023-09-01 | 2024-01-26 | 道雨耐节能科技宿迁有限公司 | Pipeline connection correction inspection robot |
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|---|---|---|---|---|
| JP2000107892A (en) * | 1998-10-06 | 2000-04-18 | Osaka Gas Co Ltd | Centering jig for tube welding |
| CN204277363U (en) * | 2014-10-23 | 2015-04-22 | 桂林电子科技大学 | Electrodynamic type pipeline internal clamp |
| CN106636602A (en) * | 2016-12-22 | 2017-05-10 | 华东交通大学 | Ultrasonic impact device for ring-type weld joint in pipe |
| CN111791014A (en) * | 2020-06-08 | 2020-10-20 | 燕山大学 | Thin-wall metal pipeline inner side rounding device |
| CN212191958U (en) * | 2020-05-12 | 2020-12-22 | 润泽天下(天津)科技有限公司 | Pipe internal butt-joint device |
-
2021
- 2021-07-21 CN CN202110824684.7A patent/CN113618323B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000107892A (en) * | 1998-10-06 | 2000-04-18 | Osaka Gas Co Ltd | Centering jig for tube welding |
| CN204277363U (en) * | 2014-10-23 | 2015-04-22 | 桂林电子科技大学 | Electrodynamic type pipeline internal clamp |
| CN106636602A (en) * | 2016-12-22 | 2017-05-10 | 华东交通大学 | Ultrasonic impact device for ring-type weld joint in pipe |
| CN212191958U (en) * | 2020-05-12 | 2020-12-22 | 润泽天下(天津)科技有限公司 | Pipe internal butt-joint device |
| CN111791014A (en) * | 2020-06-08 | 2020-10-20 | 燕山大学 | Thin-wall metal pipeline inner side rounding device |
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| CN113618323A (en) | 2021-11-09 |
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