CN114962835A - Clamping jaw type rapid clamping device for flange connection - Google Patents

Clamping jaw type rapid clamping device for flange connection Download PDF

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Publication number
CN114962835A
CN114962835A CN202210552981.5A CN202210552981A CN114962835A CN 114962835 A CN114962835 A CN 114962835A CN 202210552981 A CN202210552981 A CN 202210552981A CN 114962835 A CN114962835 A CN 114962835A
Authority
CN
China
Prior art keywords
sleeve
clamping jaw
pipe
flange
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210552981.5A
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Chinese (zh)
Inventor
张志聪
郑鑫
朱永伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenyang Institute of Computing Technology of CAS
Original Assignee
Shenyang Institute of Computing Technology of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenyang Institute of Computing Technology of CAS filed Critical Shenyang Institute of Computing Technology of CAS
Priority to CN202210552981.5A priority Critical patent/CN114962835A/en
Publication of CN114962835A publication Critical patent/CN114962835A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/08Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/127Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members using hooks hinged about an axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/16Flanged joints characterised by the sealing means
    • F16L23/18Flanged joints characterised by the sealing means the sealing means being rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/08Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/1205Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members using hooks hinged about an axis placed behind a flange and which act behind the other flange
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/08Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/138Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members using an axially movable sleeve
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The invention relates to a pipeline connecting device, in particular to a clamping jaw type quick clamping device for flange connection. The device comprises a sleeve pipe assembly, a movable outer sleeve, a linear driving mechanism and a clamping jaw assembly, wherein the movable outer sleeve can be sleeved on the outer side of the sleeve pipe assembly in an axially sliding manner; the linear driving mechanism is arranged on the outer side of the sleeve pipe assembly, and the output end of the linear driving mechanism is connected with the movable outer sleeve; the clamping jaw assembly is hinged to the sleeve pipe assembly and is in sliding connection with the movable outer sleeve, the axial movement of the movable outer sleeve drives the clamping jaw assembly to be closed or opened, and the clamping jaw assembly is used for flange connection of the sleeve pipe assembly and an external pipe. The hydraulic clamping device is simple in structure, low in price and durable in use, a hydraulic clamping mode is adopted, the process of connecting flanges through bolts is omitted, a large amount of installation time is saved, and the labor intensity of workers is reduced.

Description

Clamping jaw type rapid clamping device for flange connection
Technical Field
The invention relates to a pipeline connecting device, in particular to a clamping jaw type quick clamping device for flange connection.
Background
In recent years, with the continuous progress of water pump detection and valve detection technologies, the requirements on the efficiency of water pump testing and valve testing are higher and higher, and the production line and the testing production line gradually replace the original manual operation. When test water pump and valve, must carry out sealing connection with water pump or valve and pipeline, the most common connected mode in present stage still uses sealing washer and bolt to connect, but its efficiency is lower, can not satisfy the requirement of enterprise to efficiency of software testing, and not only intensity of labour is big to because the uncertainty of workman's operation often can take place to leak water with the inaccuracy, the pressure release scheduling problem delays efficiency of software testing more.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a jaw type quick clamping device for flange connection, which aims to solve the problems that in the prior art, a water pump or a valve is connected with a pipeline by bolts, the testing efficiency is low, the labor intensity is high, water leakage and pressure release often occur, and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a clamping jaw type quick clamping device for flange connection, which comprises a sleeve pipe assembly, a movable outer sleeve, a linear driving mechanism and a clamping jaw assembly, wherein the movable outer sleeve can be sleeved on the outer side of the sleeve pipe assembly in an axially sliding manner;
the linear driving mechanism is arranged on the outer side of the sleeve pipe assembly, and the output end of the linear driving mechanism is connected with the movable outer sleeve; the clamping jaw assembly is hinged to the sleeve pipe assembly and is in sliding connection with the movable outer sleeve, the axial movement of the movable outer sleeve drives the clamping jaw assembly to be closed or opened, and the clamping jaw assembly is used for flange connection of the sleeve pipe assembly and an external pipe.
The sleeve assembly comprises an outer pipe, an inner pipe and a replaceable joint which are coaxially arranged in sequence, and the movable outer sleeve is sleeved on the outer side of the outer pipe; the linear driving mechanism is arranged on the outer side of the outer pipe and outputs power along the axial direction; the outer side ends of the inner pipe and the replaceable joint are respectively provided with an inner pipe flange and a joint flange, and the inner pipe flange and the joint flange are clamped with a flange of an external connecting pipe through a clamping jaw assembly.
The clamping jaw assembly comprises a plurality of clamping jaws which are uniformly arranged along the circumferential direction, guide grooves are formed in the clamping jaws, and the guide grooves are gradually far away from the axis of the outer pipe from back to front; a pin shaft is arranged in the guide groove, and two ends of the pin shaft are connected with the movable outer sleeve;
the tail part of the clamping jaw is hinged with the outer pipe, and the front end of the clamping jaw is of a hook-shaped structure.
A plurality of sliding grooves are uniformly distributed on the outer circumference of the movable outer sleeve, and pin shaft connecting seats are arranged on two sides of each sliding groove; the clamping jaw is accommodated in the sliding groove, and two ends of the pin shaft are respectively connected with the two pin shaft connecting seats.
The linear driving mechanism comprises a plurality of hydraulic oil cylinders, and the plurality of hydraulic oil cylinders and the plurality of clamping jaws are alternately arranged at intervals.
The outer pipe comprises a straight pipe section and an outer pipe sleeve which are coaxially connected, an outer pipe flange is arranged at the tail of the straight pipe section, and an oil cylinder fixing plate is arranged between the front end of the straight pipe section and the outer pipe sleeve; the outer sleeve is sleeved outside the outer sleeve.
Clamping jaw mounting grooves and oil cylinder mounting holes are alternately arranged on the oil cylinder fixing plate at intervals; the hydraulic oil cylinders are arranged on the outer sides of the straight pipe sections, the front ends of the hydraulic oil cylinders are installed on the oil cylinder installation holes, and the rear ends of the hydraulic oil cylinders are installed on the oil cylinder tail plates.
The inner wall of the outer pipe sleeve is provided with a shaft sealing ring and a shaft guide belt.
The inner pipe flange is at least provided with two stopping pull rods along the circumferential direction, the stopping pull rods penetrate through the movable outer sleeve, and the tail end of the stopping pull rods is provided with a limiting round table; when the movable outer sleeve moves backwards to be attached to the limiting round table, the inner pipe is pulled along the axial direction through the stopping pull rod.
And sealing rings are arranged between the inner pipe and the replaceable joint and between the inner pipe flange and the joint flange.
The invention has the advantages and beneficial effects that: the clamping jaw type rapid clamping device for flange connection provided by the invention has the advantages of simple integral structure, low price and durability; the hydraulic clamping mode is adopted, so that the process of connecting the flanges by bolts is omitted, a large amount of installation time is saved, and the labor intensity of workers is reduced; the connection of parts is accurately positioned by adopting a positioning pin mode; a sealing ring is arranged in the sealing device, so that an operator does not need to perform independent sealing operation; the swing stroke of the hydraulic oil cylinder can be compatible with the thicknesses of different water pump flanges.
Drawings
FIG. 1 is a schematic perspective view of a jaw type rapid clamping device for flange connection according to the present invention;
FIG. 2 is a front view of a jaw type quick clamping apparatus for flange connection according to the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic structural view of an outer tube according to the present invention;
FIG. 5 is a schematic structural view of the inner tube of the present invention;
FIG. 6 is a schematic view of an alternative fitting of the present invention;
FIG. 7 is a schematic view of the construction of the removable outer cover of the present invention;
FIG. 8 is a left side view of FIG. 7;
in the figure: the device comprises an outer pipe 1, a cylinder fixing plate 101, a straight pipe 102, an outer pipe sleeve 103, an outer pipe flange 104, a clamping jaw mounting groove 105, a cylinder mounting hole 106, an inner pipe 2, an inner pipe flange 201, an inner pipe sleeve 202, a threaded hole 203, a replaceable joint 3, a joint flange 301, a flange sleeve 302, a hydraulic oil cylinder 4, a movable outer sleeve 5, a sliding groove 501, a pin shaft connecting seat 502, a cylinder connecting hole 503, a stop pull rod guide hole 504, a pin shaft connecting hole 505, a clamping jaw 6, a guide groove 601, a stop pull rod 7, a shaft sealing ring 8, a shaft guide belt 9, a cylinder tail plate 10, a pin shaft 11 and an outer pipe 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, the present invention provides a jaw type fast clamping device for flange connection, which includes a sleeve assembly, a movable outer sleeve 5, a linear driving mechanism and a jaw assembly, wherein the movable outer sleeve 5 is axially slidably sleeved on an outer side of the sleeve assembly; the linear driving mechanism is arranged on the outer side of the sleeve assembly, the output end of the linear driving mechanism is connected with the movable outer sleeve 5, and the linear driving mechanism is used for driving the movable outer sleeve 5 to move; the clamping jaw assembly is hinged to the sleeve assembly and is in sliding connection with the movable outer sleeve 5, the axial movement of the movable outer sleeve 5 drives the clamping jaw assembly to be closed or opened, and the clamping jaw assembly is used for flange connection of the sleeve assembly and the outer connecting pipe 12.
In the embodiment of the invention, the sleeve assembly comprises an outer tube 1, an inner tube 2 and a replaceable joint 3 which are coaxially arranged in sequence, and a movable outer sleeve 5 is sleeved on the outer side of the outer tube 1; the linear driving mechanism is arranged on the outer side of the outer pipe 1 and outputs power along the axial direction. As shown in fig. 5, the inner pipe 2 includes an inner pipe sleeve 202 and an inner pipe flange 201 provided at an outer end of the inner pipe sleeve 202; as shown in fig. 6, the replaceable joint 3 includes a flange housing 302 and a joint flange 301 provided at an outer end of the flange housing 302. The flange pipe sleeve 30 is inserted into the inner pipe sleeve 202 and sealed by a sealing ring; the coupling flange 301 is fitted to the inner pipe flange 201 and sealed by a sealing ring, as shown in fig. 3. Replaceable joint 3 docks with outer takeover 12, and outer takeover 12's flange and joint flange 301 laminating, and sealed through the sealing washer, the internal diameter of flange pipe box 302 equals with outer takeover 12's internal diameter, and replaceable joint 3 chooses the replacement according to the internal diameter of different outer takeovers 12, and inner tube flange 201 and joint flange 301 pass through clamping jaw assembly with outer takeover 12's flange and press from both sides tightly.
As shown in fig. 1-2, in the embodiment of the present invention, the jaw assembly includes a plurality of jaws 6 uniformly arranged along the circumferential direction, guide grooves 601 are provided on the jaws 6, and the guide grooves 601 gradually get away from the axis of the outer tube 1 from back to front; a pin shaft 11 is arranged in the guide groove 601, and two ends of the pin shaft 11 are connected with the movable outer sleeve 5; the tail part of the clamping jaw 6 is hinged with the outer tube 1, and the front end of the clamping jaw is of a hook-shaped structure. When the moving outer sleeve 5 moves axially, the pin 11 slides in the guide groove 601 of the clamping jaw 6, thereby driving the clamping jaw 6 to open or close and lock.
As shown in fig. 7-8, a plurality of sliding grooves 501 are uniformly distributed on the outer circumference of the movable outer sleeve 5, pin shaft connecting seats 502 are arranged on both sides of the sliding grooves 501, and pin shaft connecting holes 505 are arranged on the pin shaft connecting seats 502; the clamping jaw 6 is accommodated in the sliding slot 501, and two ends of the pin 11 are respectively connected with the pin connecting holes 505 of the two pin connecting seats 502. Further, the end surface of the movable outer sleeve 5 is provided with a cylinder connection hole 503 and a stopper rod guide hole 504.
As shown in fig. 1-2, in the embodiment of the present invention, the linear driving mechanism includes a plurality of hydraulic cylinders 4, and the plurality of hydraulic cylinders 4 and the plurality of clamping jaws 6 are alternately arranged at intervals, so that the plurality of clamping jaws 6 uniformly clamp the sleeve assembly.
As shown in fig. 4, in the embodiment of the present invention, the outer tube 1 includes a straight tube section 102 and an outer tube sleeve 103 which are coaxially connected, an outer tube flange 104 is disposed at the tail of the straight tube section 102, and a cylinder fixing plate 101 is disposed between the front end of the straight tube section 102 and the outer tube sleeve 103; the movable outer sleeve 5 is sleeved outside the outer sleeve 103.
Further, the oil cylinder fixing plate 101 is alternately provided with clamping jaw mounting grooves 105 and oil cylinder mounting holes 106 at intervals; the hydraulic oil cylinders 4 are arranged on the outer sides of the straight pipe sections 102, the front ends of the hydraulic oil cylinders 4 are installed on the oil cylinder installation holes 106, and the rear ends of the hydraulic oil cylinders 4 are installed on the oil cylinder tail plates 10. The output end of the hydraulic oil cylinder 4 is connected with an oil cylinder connecting hole 503 on the movable outer sleeve 5, and in the hydraulic control execution process of the hydraulic oil cylinder 4, the movable outer sleeve 5 is driven by the hydraulic oil cylinder 4 to stretch out and draw back on the outer pipe 1 by means of the straight line, so that the pipeline flange or the pump body flange is combined with and loosened from the flange of the replaceable joint 3, and the pipeline is switched on and off.
Further, a shaft seal ring 8 and a shaft guide band 9 are provided on the inner wall of the outer sleeve 103. The shaft sealing ring 8 is used for sealing the medium in the pipeline and preventing the medium from flowing out due to the gap between the outer pipe 1 and the inner pipe 2. The guide band 9 for the shaft prevents the outer surface of the inner tube 2 from directly contacting the outer tube 1, thereby reducing the friction between the inner tube 2 and the outer tube 1.
On the basis of the above embodiment, further, at least two stopping pull rods 7 are arranged on the inner pipe flange 201 along the circumferential direction, the stopping pull rods 7 penetrate through stopping pull rod guide holes 504 formed in the movable outer sleeve 5, and the tail end of each stopping pull rod 7 is provided with a limiting circular truncated cone; when the movable outer sleeve 5 moves backwards to be jointed with the limiting round table, the inner tube 2 is pulled along the axial direction through the stopping pull rod 7. In the clamped state of the clamping jaws 6, if the clamping jaws 6 are released, the movable sleeve 5 may be retracted, but the clamping jaws 6 are not released due to excessive pressure. Because the tail end of the stop pull rod 7 is provided with the limiting round table, when the movable outer sleeve 5 is attached to the limiting round table, the movable outer sleeve 5 pulls the inner pipe 2 through the stop pull rod 7, so that the pressure at the front end of the clamping jaw 6 is released, and the clamping jaw 6 can be driven to open to release the pipeline flange. During the displacement of the displacement sleeve 5, the blocking lever 7 serves as a guide.
In this embodiment, the axial position of inner tube 2 at outer tube 1 can be adjusted, through the axial extension position of adjusting the hydraulic cylinder piston rod to adapt to different water pumps, the flange of different thickness has improved the device's suitability. The inner pipe 2, the outer pipe 1 and the replaceable joint 3 can be disassembled and assembled according to the requirements of flanges with different pipe diameters, and the operation is convenient and efficient. The pushing force sources are hydraulic cylinders, and the number of the pushing force sources is determined according to the friction force of the inner pipe.
In the application occasions of sealing two flanges by using bolts such as water pumps, valves, pipelines and the like, the flange surfaces of the pipelines are compressed by using a hydraulic oil cylinder and a mechanical structure so as to achieve the sealing effect and replace the bolt connection. In this embodiment, can replace joint and pipeline flange butt joint and press from both sides tightly through the clamping jaw, also can be used for connecting the pump that awaits measuring and test pipeline, adopt hydraulic drive's mode, drive the clamping jaw through the round pin axle and be the back and forth arc motion along the guide way, reach, leave locking position, accomplish the clamping jaw and press from both sides tightly and loosen the operation, realize with the quick clamping of the pump flange that awaits measuring, reach the purpose of quick replacement pump that awaits measuring. The invention replaces the traditional bolt fastening mode, and has the advantages of simple structure, convenient operation, low cost, safety and reliability.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims (10)

1. A clamping jaw type quick clamping device for flange connection is characterized by comprising a sleeve pipe assembly, a movable outer sleeve (5), a linear driving mechanism and a clamping jaw assembly, wherein the movable outer sleeve (5) can be sleeved on the outer side of the sleeve pipe assembly in an axially sliding manner;
the linear driving mechanism is arranged on the outer side of the sleeve pipe assembly, and the output end of the linear driving mechanism is connected with the movable outer sleeve (5); the clamping jaw assembly is hinged to the sleeve assembly and is in sliding connection with the movable outer sleeve (5), the axial movement of the movable outer sleeve (5) drives the clamping jaw assembly to be closed or opened, and the clamping jaw assembly is used for flange connection of the sleeve assembly and the outer connecting pipe (12).
2. The clamping jaw type quick clamping device for flange connection according to claim 1, wherein the sleeve assembly comprises an outer pipe (1), an inner pipe (2) and a replaceable joint (3) which are coaxially arranged in sequence, and a movable outer sleeve (5) is sleeved on the outer side of the outer pipe (1); the linear driving mechanism is arranged on the outer side of the outer pipe (1) and outputs power along the axial direction; the outer side ends of the inner pipe (2) and the replaceable joint (3) are respectively provided with an inner pipe flange (201) and a joint flange (301), and the inner pipe flange (201) and the joint flange (301) are clamped with a flange of the external connecting pipe (12) through a clamping jaw assembly.
3. The clamping jaw type quick clamping device for flange connection according to claim 2 is characterized in that the clamping jaw assembly comprises a plurality of clamping jaws (6) uniformly arranged along the circumferential direction, guide grooves (601) are formed in the clamping jaws (6), and the guide grooves (601) are gradually far away from the axis of the outer pipe (1) from back to front; a pin shaft (11) is arranged in the guide groove (601), and two ends of the pin shaft (11) are connected with the movable outer sleeve (5);
the tail part of the clamping jaw (6) is hinged with the outer pipe (1), and the front end of the clamping jaw is of a hook-shaped structure.
4. The clamping jaw type quick clamping device for flange connection according to claim 3, wherein a plurality of sliding grooves (501) are uniformly distributed on the outer circumference of the movable outer sleeve (5), and pin shaft connecting seats (502) are arranged on two sides of each sliding groove (501); the clamping jaw (6) is accommodated in the sliding groove (501), and two ends of the pin shaft (11) are respectively connected with the two pin shaft connecting seats (502).
5. The clamping jaw type quick clamping device for flange connection according to claim 3, wherein the linear driving mechanism comprises a plurality of hydraulic oil cylinders (4), and the plurality of hydraulic oil cylinders (4) and the plurality of clamping jaws (6) are alternately arranged at intervals.
6. The clamping jaw type quick clamping device for flange connection according to claim 5, wherein the outer pipe (1) comprises a straight pipe section (102) and an outer pipe sleeve (103) which are coaxially connected, an outer pipe flange (104) is arranged at the tail part of the straight pipe section (102), and a cylinder fixing plate (101) is arranged between the front end of the straight pipe section (102) and the outer pipe sleeve (103); the outer sleeve (103) is sleeved with the movable outer sleeve (5).
7. The jaw type quick clamping device for flange connection according to claim 6, wherein the cylinder fixing plate (101) is alternately provided with jaw mounting grooves (105) and cylinder mounting holes (106) at intervals; the hydraulic oil cylinders (4) are arranged on the outer side of the straight pipe section (102), the front ends of the hydraulic oil cylinders are installed on the oil cylinder installation holes (106), and the rear ends of the hydraulic oil cylinders (4) are installed on the oil cylinder tail plate (10).
8. A jaw-type quick clamping apparatus for flange connection according to claim 6, wherein an inner wall of said outer jacket tube (103) is provided with a shaft seal ring (8) and a shaft guide band (9).
9. The clamping jaw type rapid clamping device for flange connection according to claim 2, wherein at least two stopping pull rods (7) are arranged on the inner pipe flange (201) along the circumferential direction, the stopping pull rods (7) penetrate through the movable outer sleeve (5), and the tail end of each stopping pull rod is provided with a limiting circular truncated cone; when the movable outer sleeve (5) moves backwards to be attached to the limiting circular truncated cone, the inner tube (2) is pulled axially through the stop pull rod (7).
10. Clamping jaw type quick clamping device for flange connection according to claim 2, characterized in that sealing rings are arranged between the inner pipe (2) and the replaceable joint (3) and between the inner pipe flange (201) and the joint flange (301).
CN202210552981.5A 2022-05-19 2022-05-19 Clamping jaw type rapid clamping device for flange connection Pending CN114962835A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210552981.5A CN114962835A (en) 2022-05-19 2022-05-19 Clamping jaw type rapid clamping device for flange connection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210552981.5A CN114962835A (en) 2022-05-19 2022-05-19 Clamping jaw type rapid clamping device for flange connection

Publications (1)

Publication Number Publication Date
CN114962835A true CN114962835A (en) 2022-08-30

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ID=82970656

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210552981.5A Pending CN114962835A (en) 2022-05-19 2022-05-19 Clamping jaw type rapid clamping device for flange connection

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CN (1) CN114962835A (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB383633A (en) * 1930-04-25 1932-11-21 Nathan Charles Hunt Improvements in combined valve and coupling
CN2898529Y (en) * 2006-03-31 2007-05-09 王志国 Convenient flexible joint of pipeline
CN101380735A (en) * 2008-09-22 2009-03-11 北京航空航天大学 Butt-joint grasping and holding integration mechanism based on ring enclosure
WO2014009896A2 (en) * 2012-07-10 2014-01-16 Aerazur S.A. Claw quick disconnect intercom fitting
CN107606361A (en) * 2017-09-20 2018-01-19 青岛理工大学 Jaw type hydraulic drive submarine pipeline connecting device
CN110966472A (en) * 2019-11-25 2020-04-07 长沙矿山研究院有限责任公司 Underwater hose safety separation device
CN111173955A (en) * 2020-01-13 2020-05-19 华维节水科技集团股份有限公司 Low-power consumption water conservancy control valve
CN211821224U (en) * 2019-12-20 2020-10-30 中国航发长春控制科技有限公司 Quick conversion device for test
CN214093436U (en) * 2020-11-19 2021-08-31 江苏省常州技师学院 Insulating joint device
CN214197704U (en) * 2021-01-21 2021-09-14 无锡隆盛科技股份有限公司 Quick plugging device of water pipe for EGR valve water course leakage amount detection
CN113389957A (en) * 2021-04-15 2021-09-14 连云港杰瑞自动化有限公司 Small-size quick connecting device suitable for LNG tank wagon
CN113543950A (en) * 2018-12-20 2021-10-22 约翰·格斯特国际有限公司 Mold and method for molding body or cap for connector

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB383633A (en) * 1930-04-25 1932-11-21 Nathan Charles Hunt Improvements in combined valve and coupling
CN2898529Y (en) * 2006-03-31 2007-05-09 王志国 Convenient flexible joint of pipeline
CN101380735A (en) * 2008-09-22 2009-03-11 北京航空航天大学 Butt-joint grasping and holding integration mechanism based on ring enclosure
WO2014009896A2 (en) * 2012-07-10 2014-01-16 Aerazur S.A. Claw quick disconnect intercom fitting
CN107606361A (en) * 2017-09-20 2018-01-19 青岛理工大学 Jaw type hydraulic drive submarine pipeline connecting device
CN113543950A (en) * 2018-12-20 2021-10-22 约翰·格斯特国际有限公司 Mold and method for molding body or cap for connector
US20220063163A1 (en) * 2018-12-20 2022-03-03 John Guest International Limited A mold and method for molding a bodyor cap for a connector
CN110966472A (en) * 2019-11-25 2020-04-07 长沙矿山研究院有限责任公司 Underwater hose safety separation device
CN211821224U (en) * 2019-12-20 2020-10-30 中国航发长春控制科技有限公司 Quick conversion device for test
CN111173955A (en) * 2020-01-13 2020-05-19 华维节水科技集团股份有限公司 Low-power consumption water conservancy control valve
CN214093436U (en) * 2020-11-19 2021-08-31 江苏省常州技师学院 Insulating joint device
CN214197704U (en) * 2021-01-21 2021-09-14 无锡隆盛科技股份有限公司 Quick plugging device of water pipe for EGR valve water course leakage amount detection
CN113389957A (en) * 2021-04-15 2021-09-14 连云港杰瑞自动化有限公司 Small-size quick connecting device suitable for LNG tank wagon

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