CN109282100A - A kind of adjustable spheric rotary joint in gap for heat distribution pipeline - Google Patents
A kind of adjustable spheric rotary joint in gap for heat distribution pipeline Download PDFInfo
- Publication number
- CN109282100A CN109282100A CN201811244117.9A CN201811244117A CN109282100A CN 109282100 A CN109282100 A CN 109282100A CN 201811244117 A CN201811244117 A CN 201811244117A CN 109282100 A CN109282100 A CN 109282100A
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- CN
- China
- Prior art keywords
- bulb
- ball seat
- gap
- shell
- filler
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
- F16L27/04—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The present invention relates to a kind of adjustable spheric rotary joints in gap, are clearance fit between bulb and ball seat, by the gap between adjustment gasket regulating part bulb and part ball seat, stability is higher；It is not in stuck phenomenon, reliability is higher when pipeline generates vibration, impact；By adjusting the gap between the gasket adjustment bulb that can be convenient and ball seat, control moment is optimal.Filler is primary seal, packing is auxiliary seal, filler and packing material are lubricated also by the movement of spheric rotary joint itself between bulb and ball seat simultaneously, filler realizes primary seal, packing is auxiliary seal, enters the rubbing surface between bulb and ball seat with dynamic sealing material by displacement, ensure that the good lubrication between bulb and ball seat, rotary joint torque is reduced, service life is extended.In addition, this programme is easy to maintenance, when ball seat wear-out failure or unexpected phenomenon occur, dismantles and replace and is more convenient.
Description
Technical field
The invention belongs to machinery fields, and in particular to a kind of adjustable spheric rotary joint in gap can be used for two opposite fortune
The bit shift compensation between Dynamic link library and high-temperature pipe between dynamic pipeline, while can guarantee the stringent close of fluids within pipes
Envelope.
Background technique
Heat distribution pipeline is widely used in the industries such as electric power, chemical industry, tobacco, petroleum, heating, and pipeline is produced in high/low temperature alternation
Raw displacement will be eliminated, while high-temperature, high pressure fluid need to be sealed reliably in pipe.Connection between current each pipeline uses metal
Hose, bellows, since pipeline work life requirements is high, fatigue life when being connected using metal hose or bellows as pipeline
It is low, it is difficult to guarantee the long-time reliably working between pipeline, and it is big to manage interior flow resistance.Common practice is connect using ball shape rotary at present
Head, the form combined using multiple spheric rotary joints, as pipeline relative motion and the connector of bit shift compensation.
There are two main classes for current spheric rotary joint, and one kind passes through spiral shell using the rotary joint of HYSPAN company as representative
The screw-down torque of bolt compresses ball seat and bulb, is engaged between ball seat and bulb, by ball holder surface specially treated side
The lubrication of formula realization bulb and bulb.This method is engaged because using, so that required torque is larger when rotary joint works, and
Stuck phenomenon is easy to produce between bulb and ball seat.It is another kind of using the rotary joint of ATS company as representative, between bulb and ball seat
For clearance fit, but shell is welding structure, and the gap between bulb and ball seat cannot be adjusted, and rotary joint is used in long-time
Ball seat and bulb gap increase afterwards, lead to leakage frequently, while program maintainability is poor.
Summary of the invention
Technical problems to be solved
In order to which relative motion and bit shift compensation, the present invention mention when solving the problems, such as under high/low temperature alternation environment long between pipeline
A kind of spheric rotary joint structure out.
Technical solution
The adjustable spheric rotary joint in a kind of gap for heat distribution pipeline, it is characterised in that including shell, bulb, ball
Seat, packing, filler, plug screw, gasket, stop pin, drive end bearing bracket, bolt, nut, elastomeric pad, flat shim and adjustment gasket；Ball
Seat is mounted on shell, is clearance fit between shell, and bulb is mounted on ball seat, and left and right ends respectively contact a ball seat,
Relative motion is formed by spherical surface between bulb and ball seat；There are two packings for installation between two ball seats, and packing and shell are interference
Cooperation realizes the extruding to packing by the pressing force of filler installation, to realize auxiliary seal, simultaneously after being packed into filler
Packing material is self-lubricating material, when bulb and ball seat generate relative motion, plays lubricating action to the spherical surface of bulb；Filler is
Primary seal, in the housing, the cavity between two packings applies pressure to filler by plug screw and filler is forced to compress and reality for installation
Now seal；Plug screw is mounted on shell, and gasket is equipped between plug screw and shell and is sealed；Drive end bearing bracket relies on bolt, nut, bullet
Property gasket, flat shim tighten, connect with shell, and compress ball seat, prevent ball seat from generating axial displacement；Before stop pin is mounted on
On end cap, prevent bulb and ball seat from generating relative motion；Adjustment gasket is mounted between drive end bearing bracket and shell, is adjusted by adjusting
Axial gap between the adjustable bulb of the thickness of gasket and ball seat is protected so that there is suitable gap between bulb and ball seat
Card contact surface can obtain good lubrication；Therefore, when housing stationary, bulb both can realize certain angle along the middle line of bulb axial direction
The pendulum motion of degree, can also along the middle line of bulb axial direction realize rotary motion, i.e., bulb can along the centre of sphere simultaneously realize rotation with
Pendulum motion.
The surface of shell is using zinc-plated, spray antirust paint, the processing of chemical nickel plating surface anticorrosion.
The bulb is stiff dough, and basis material selects high-temperature steel, and spherical surface uses chromium plating, chromium carbide surface treatment side
Formula enhances surface hardness.
The ball seat selects cast iron, beryllium-bronze, aluminum-bronze material.
The flexible graphite stuffing material of the packing selection wire enhancing.
The good crystalline flake graphite of Fillers selection self-lubrication.
The gasket selects red copper pad.
Beneficial effect
A kind of spheric rotary joint structure proposed by the present invention improves the reliability of conduit running, reduces torque, improves
Sealing performance improves maintainability.Have the characteristics that following:
1, it uses for clearance fit between bulb and ball seat, by the gap between adjustment gasket adjusting ball head and ball seat,
Stability is higher；It is not in stuck phenomenon, reliability is higher when pipeline generates vibration, impact；It can be with by adjusting gasket
Gap between convenient adjustment bulb and ball seat, control moment are optimal.
2, filler is primary seal, and packing is auxiliary seal, at the same filler and packing material also by spheric rotary joint from
The movement of body is lubricated between bulb and ball seat；Filler realizes primary seal, and packing is auxiliary seal, by displacement band
Dynamic sealing material enters the rubbing surface between bulb and ball seat, ensure that the good lubrication between bulb and ball seat, reduces rotation
Adapter torque, extends service life.
3, easy to maintenance, when ball seat wear-out failure or unexpected phenomenon occur, dismantles and replace and is more convenient.
Detailed description of the invention
The adjustable spheric rotary joint schematic diagram in the gap of the present invention Fig. 1
Specific embodiment
Now in conjunction with embodiment, attached drawing, the invention will be further described:
Relative motion and bit shift compensation between pipeline are realized by three spheric rotary joint combination connections.This technology
In scheme, single spherical rotary joint is as shown in Figure 1, shell 1 plays a supportive role, and the basis as installation remaining parts.Ball
First 2 are mounted on ball seat 3, and left and right ends respectively contact a ball seat 3, form opposite fortune by spherical surface between bulb 2 and ball seat 3
It is dynamic.Ball seat 3 is mounted on shell 1, is clearance fit between shell 1.There are two packing 4, packings 4 for installation between two ball seats 3
It is interference fit with shell 1, after being packed into filler 5, the pressing force installed by filler 5 realizes the extruding to packing 4, thus real
Existing auxiliary seal, while 4 material of packing is self-lubricating material, when bulb 2 and ball seat 3 generate relative motion, to the ball of bulb 2
Play lubricating action in face.Filler 5 is primary seal, is installed within the case 1, the cavity between two packings 4, by plug screw 6 to filler 5
Applying pressure forces filler 5 to compress and realize sealing.Plug screw 6 is mounted on shell 1, on the threaded hole on shell 1.Gasket
7 realize the sealing between plug screw 6 and shell 1.Stop pin 8 is mounted on drive end bearing bracket 9, prevents bulb 2 and ball seat 3 from generating opposite fortune
It is dynamic.Drive end bearing bracket 9 is tightened by bolt 10, nut 11, elastomeric pad 12, flat shim 13, is connect with shell 1, and compress ball seat
3, prevent ball seat 3 from generating axial displacement.Adjustment gasket 14 is mounted between drive end bearing bracket 9 and shell 1, adjusts gasket 14 by adjusting
The adjustable bulb 2 of thickness and ball seat 3 between axial gap protect so that there is suitable gap between bulb 2 and ball seat 3
Card contact surface can obtain good lubrication.Therefore, when shell 1 is static, bulb 2 both can realize one along the axial middle line of bulb 2
Determine the pendulum motion of angle, can also realize rotary motion along the axial middle line of bulb 2, i.e. bulb 2 can be realized simultaneously along the centre of sphere
Rotation and pendulum motion.
As shown in Figure 1.Spheric rotary joint long-term work is extending and is using to lower corrosion with corrosive environment
The surface anticorrosions processing such as zinc-plated, spray antirust paint, chemical nickel plating can be used in service life, 1 surface of shell.Bulb 2 and the spherical surface of ball seat 3 are
Friction pair, using one soft one hard friction pair fit system, bulb 2 is stiff dough, and basis material selects high-temperature steel etc., ball
The surface treatment modes such as chromium plating, chromium carbide can be used in first 2 spherical surface, enhance surface hardness.Ball seat 3 selects the material with self-lubrication
Other materials also can be selected in material, such as cast iron, beryllium-bronze, aluminium bronze, carry out special surface processing to spherical surface.To prevent spherical surface
The compactness of the matching surface of phenomena such as occlusion is generated there are high point, ball seat 3 and bulb 2 answers strict control.Packing 4 selects gold
The flexible graphite stuffing material for belonging to silk enhancing prevents 5 transition of filler from squeezing and being extruded 4 material of packing, meanwhile, select metal
Silk enhancing flexible graphite material also there is certain self-lubrication, can the spherical surface effectively to bulb 2 and ball seat 3 be lubricated.
Filler 5 selects the good crystalline flake graphite of self-lubrication.Gasket 7 selects red copper pad.When assembly, should preferentially adjust bulb 2 with
Bulb 2, ball seat 3 and packing 4 are first installed in gap between bulb 3, after band drive end bearing bracket 9 is tightened, then pass through plug screw 6 and inject filler,
Finally tighten plug screw 6.
Claims (7)
1. a kind of adjustable spheric rotary joint in gap for heat distribution pipeline, it is characterised in that including shell (1), bulb (2),
Ball seat (3), packing (4), filler (5), plug screw (6), gasket (7), stop pin (8), drive end bearing bracket (9), bolt (10), nut
(11), elastomeric pad (12), flat shim (13) and adjustment gasket (14)；Ball seat (3) is mounted on shell (1), with shell (1) it
Between be clearance fit, bulb (2) is mounted on ball seat (3), and left and right ends respectively contact a ball seat (3), bulb (2) and ball seat
(3) relative motion is formed by spherical surface between；Between two ball seats (3) there are two installations packing (4), packing (4) is with shell (1)
Interference fit realizes the extruding to packing (4) by the pressing force of filler (5) installation, to realize after being packed into filler (5)
Auxiliary seal, while packing (4) material is self-lubricating material, when bulb (2) and ball seat (3) generate relative motion, to bulb
(2) spherical surface plays lubricating action；Filler (5) is primary seal, is mounted in shell (1), the cavity between two packings (4), according to
Apply pressure to filler (5) by plug screw (6) to force filler (5) to compress and realize sealing；Plug screw (6) is mounted on shell (1),
Gasket (7) are equipped between plug screw (6) and shell (1) to seal；Drive end bearing bracket (9) relies on bolt (10), nut (11), elastomeric pad
(12), flat shim (13) are tightened, and are connect with shell (1), and compress ball seat (3), prevent ball seat (3) from generating axial displacement；It is anti-
Ship and resell on another market (8) be mounted on drive end bearing bracket (9), prevent bulb (2) and ball seat (3) from generating relative motion；Adjustment gasket (14) is mounted on
Between drive end bearing bracket (9) and shell (1), between the adjustable bulb of thickness (2) and ball seat (3) by adjusting adjustment gasket (14)
Axial gap guarantee that contact surface can obtain good lubrication so that there is suitable gap between bulb (2) and ball seat (3)；Cause
This, when shell (1) is static, bulb (2) can both realize the pendulum motion of certain angle along the middle line of bulb (2) axial direction,
Rotary motion can be realized along the middle line of bulb (2) axial direction, i.e. bulb (2) can realize simultaneously rotation and pendulum motion along the centre of sphere.
2. the adjustable spheric rotary joint in a kind of gap for heat distribution pipeline according to claim 1, it is characterised in that
Shell (1) surface is using zinc-plated, spray antirust paint, the processing of chemical nickel plating surface anticorrosion.
3. the adjustable spheric rotary joint in a kind of gap for heat distribution pipeline according to claim 1, it is characterised in that
The bulb (2) is stiff dough, and basis material selects high-temperature steel, and spherical surface uses chromium plating, chromium carbide surface treatment mode, enhancing
Surface hardness.
4. the adjustable spheric rotary joint in a kind of gap for heat distribution pipeline according to claim 1, it is characterised in that
The ball seat (3) selects cast iron, beryllium-bronze, aluminum-bronze material.
5. the adjustable spheric rotary joint in a kind of gap for heat distribution pipeline according to claim 1, it is characterised in that
The flexible graphite stuffing material of packing (4) the selection wire enhancing.
6. the adjustable spheric rotary joint in a kind of gap for heat distribution pipeline according to claim 1, it is characterised in that
The filler (5) selects the good crystalline flake graphite of self-lubrication.
7. the adjustable spheric rotary joint in a kind of gap for heat distribution pipeline according to claim 1, it is characterised in that
The gasket (7) selects red copper pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811244117.9A CN109282100A (en) | 2018-10-24 | 2018-10-24 | A kind of adjustable spheric rotary joint in gap for heat distribution pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811244117.9A CN109282100A (en) | 2018-10-24 | 2018-10-24 | A kind of adjustable spheric rotary joint in gap for heat distribution pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109282100A true CN109282100A (en) | 2019-01-29 |
Family
ID=65177863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811244117.9A Pending CN109282100A (en) | 2018-10-24 | 2018-10-24 | A kind of adjustable spheric rotary joint in gap for heat distribution pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109282100A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185862A (en) * | 2019-06-25 | 2019-08-30 | 山东康格能源科技有限公司 | A kind of pipeline steering linkage |
| CN113546479A (en) * | 2021-08-11 | 2021-10-26 | 周海龙 | Environment-friendly energy-saving smoke purifier |
| CN114231345A (en) * | 2021-12-31 | 2022-03-25 | 西安精密机械研究所 | Flexible connecting device sealing lubricating packing ring and preparation method thereof |
| CN114248198A (en) * | 2021-11-29 | 2022-03-29 | 广东鸿凯智能科技有限公司 | Connecting piece for grinding machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1532195A (en) * | 1922-02-04 | 1925-04-07 | Abraham L Morrison | Swivel-joint coupling |
| DE885949C (en) * | 1951-10-17 | 1953-08-10 | Otto Dipl-Berging Vedder | Articulated pipe connection for pipes with a large diameter, especially for air ducts and conveyor pipes |
| US3334927A (en) * | 1964-10-30 | 1967-08-08 | Fmc Corp | Ball pipe joint |
| CN2179518Y (en) * | 1994-01-08 | 1994-10-12 | 冶金工业部北京冶金设备研究院 | Ball rotary join |
| CN201407454Y (en) * | 2008-11-28 | 2010-02-17 | 大连益多管道有限公司 | Filling type ball-head rotary compensator |
-
2018
- 2018-10-24 CN CN201811244117.9A patent/CN109282100A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1532195A (en) * | 1922-02-04 | 1925-04-07 | Abraham L Morrison | Swivel-joint coupling |
| DE885949C (en) * | 1951-10-17 | 1953-08-10 | Otto Dipl-Berging Vedder | Articulated pipe connection for pipes with a large diameter, especially for air ducts and conveyor pipes |
| US3334927A (en) * | 1964-10-30 | 1967-08-08 | Fmc Corp | Ball pipe joint |
| CN2179518Y (en) * | 1994-01-08 | 1994-10-12 | 冶金工业部北京冶金设备研究院 | Ball rotary join |
| CN201407454Y (en) * | 2008-11-28 | 2010-02-17 | 大连益多管道有限公司 | Filling type ball-head rotary compensator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185862A (en) * | 2019-06-25 | 2019-08-30 | 山东康格能源科技有限公司 | A kind of pipeline steering linkage |
| CN113546479A (en) * | 2021-08-11 | 2021-10-26 | 周海龙 | Environment-friendly energy-saving smoke purifier |
| CN114248198A (en) * | 2021-11-29 | 2022-03-29 | 广东鸿凯智能科技有限公司 | Connecting piece for grinding machine |
| CN114231345A (en) * | 2021-12-31 | 2022-03-25 | 西安精密机械研究所 | Flexible connecting device sealing lubricating packing ring and preparation method thereof |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190129 |