CN103759090B - A kind of asphalt conveyer of band preheating function - Google Patents
A kind of asphalt conveyer of band preheating function Download PDFInfo
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- CN103759090B CN103759090B CN201410003676.6A CN201410003676A CN103759090B CN 103759090 B CN103759090 B CN 103759090B CN 201410003676 A CN201410003676 A CN 201410003676A CN 103759090 B CN103759090 B CN 103759090B
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- colophonium
- conduction oil
- shaft core
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- bearing block
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- 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
- F16L39/00—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
- F16L39/06—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies of the multiline swivel type, e.g. comprising a plurality of axially mounted modules
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- 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
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/32—Heating of pipes or pipe systems using hot fluids
Abstract
The invention discloses the asphalt conveyer of a kind of band preheating function, it is characterised in that including: gland, bearing block, black box and shaft core, wherein: the inside of above-mentioned shaft core is provided with the first conduction oil passage, the second conduction oil passage and Colophonium passage；Above-mentioned bearing sleeve is located at the bottom of shaft core, above-mentioned gland is set in the top of shaft core, forming annular seal space between gland and the inwall of bearing block and the outer wall of shaft core, be provided with ring seal assembly in this annular seal space, above-mentioned annular seal space is divided into axial wall and seals space and shaft end seal space by black box；Conduction oil circulates with the Colophonium in heated asphalt passage in above-mentioned conduction oil passage.The present invention solves Colophonium class temperature sensitivity medium and residues in the troublesome problem that swivel coupling is brought, and is conducive to improving the work efficiency of terminal works device；Compact conformation；Preheating heating or insulation are for built-in；Can integral disassembly, assembly；Bearing need not be dismantled when safeguarding and seal.
Description
Technical field
The present invention relates to asphalt conveyer, refer in particular to the asphalt conveyer of a kind of band preheating function.
Background technology
Swivel coupling is also known as swivel joint, be a kind of can 360 ° rotate airtight rotary link devices, its application almost covers each processing and manufacturing industry, such as: build the road, metallurgy, lathe, thermoelectricity, petrochemical industry, rubber, plastics, printing and dyeing, pharmacy, papermaking, the industry such as food.The particularly delivery application of liquid medium is extensive, as road construction needs uniform spread liquid heat Colophonium according to technique, Colophonium in construction needs 180-200 DEG C of temperature range, its viscosity is low, mobile performance is just fine, conventional art is will to be delivered to swivel coupling through the Colophonium of heating by pipeline, revoliving arm by being connected with swivel coupling delivers to nozzle again, completes to spray.
But when this type of conveying thermosetting material (solidification class material temperature sensitive, easy), existing swivel coupling has the disadvantage that a, physical characteristic due to Colophonium are to solidify at normal temperatures, therefore the Colophonium after heating is in pipe conveying procedure, along with its viscosity of reduction of temperature is gradually increased, mobility is deteriorated, especially for the situation that conveyance conduit is longer, the conveying weak effect of Colophonium；After b, course of conveying complete, being trapped in the Colophonium inside pipeline and swivel coupling can not clear up completely, meet room temperature time can solidify, blocking channel, heated bitumen again by time, also need long time to make it melt, fault rate high efficiency is low, also can damage mechanical seal；C, part pitch sprinkling car, canned, the discharging of Colophonium transfer station etc. are to pipeline conduction oil heat tracing, but realize conduction oil heat tracing the most completely for swivel coupling, and in actual production, swivel coupling simply plays material channel and changes nyctitropic effect；D, conduction oil heat tracing for swivel coupling, the sealing problem between its conduction oil and Colophonium is also the key factor limiting its development.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned the deficiencies in the prior art, it is provided that the asphalt conveyer of a kind of band preheating function.
The technical scheme that the present invention takes is as follows, a kind of asphalt conveyer of band preheating function, it is characterized in that including: gland, bearing block, black box and shaft core, wherein: the inside of above-mentioned shaft core is provided with the first conduction oil passage, the second conduction oil passage and Colophonium passage；Above-mentioned bearing sleeve is located at the bottom of shaft core, above-mentioned gland is set in the top of shaft core, forming annular seal space between gland and the inwall of bearing block and the outer wall of shaft core, be provided with ring seal assembly in this annular seal space, above-mentioned annular seal space is divided into axial wall and seals space and shaft end seal space by black box；Colophonium flows upwardly into above-mentioned axial wall through Colophonium passage and seals in space, and the asphalt outlet through being opened on bearing block is derived；Conduction oil is in the first conduction oil passage enters above-mentioned shaft end seal space, conduction oil introducing port through being opened on shaft core upper surface imports in the second conduction oil passage, deriving through being opened in the outlet of the conduction oil on shaft core lower surface, conduction oil circulates with the Colophonium in heated asphalt passage in above-mentioned conduction oil passage.
Preferably, the lower end of the first described conduction oil passage connects conduction oil entrance, and upper end connects conduction oil flow export, wherein: above-mentioned conduction oil entrance is opened on the lower surface of shaft core；Above-mentioned conduction oil flow export is opened on the sidewall of shaft core, and conduction oil is in conduction oil entrance enters the first conduction oil passage, in conduction oil flow export enters shaft end seal space.
Preferably, the upper end of described Colophonium passage connects Colophonium flow export, and Colophonium flow export is opened on the sidewall of shaft core, and its height is less than the height of conduction oil flow export, Colophonium in Colophonium passage enters axial wall through Colophonium flow export and seals in space, derives through Colophonium export mouth；The height that above-mentioned Colophonium export mouth is arranged is derived due to the most configured Colophonium export mouth in bottom of action of gravity less than the connecting end surface of gland with bearing block, the Colophonium in axial wall sealing space, is prevented pitch infiltration to the connecting end surface of gland Yu bearing block.
Preferably, described black box includes the first black box and the second black box, and the first black box is arranged on the inner face of gland and the junction of shaft core, and the second black box is arranged on the junction of bearing block and shaft core；Above-mentioned first black box includes the first stationary ring, the first rotating ring, the first rotating seat and first waveform spring；Above-mentioned second black box includes the second stationary ring, the second rotating ring, the second rotating seat and the second wavy spring.
Preferably, the first described rotating seat and the second rotating seat are fixed on retainer by stop pin respectively, and both are connected with retainer by first waveform spring and the second wavy spring respectively；Above-mentioned retainer is fixed in shaft core by fixing screw；Above-mentioned first rotating ring and the second rotating ring are respectively embedded in the first rotating seat and the second rotating seat；Above-mentioned first stationary ring and the second stationary ring are separately fixed on the inner face of gland and in the inner groovy of bearing block, and the first stationary ring and the second stationary ring are adjacent to the first rotating ring respectively and the second rotating ring forms the first seal face and the second seal face.
Preferably, being provided with bearing between described bearing block and shaft core, bearing is arranged on the step end face of shaft core, and shaft core is fixed by the inner ring of jump ring with bearing, and shaft core can drive retainer 360 degree rotation；The lower end of bearing block connects small end cover.
Preferably, described bearing be respectively arranged at two ends with outside framework oil seal, this outside framework oil seal is separately positioned between bearing block and shaft core and between small end cover and shaft core, to prevent axial wall from sealing the dopants penetration of the Colophonium in space and outside to bearing.
Preferably, described bearing block is provided with leak detection mouth, and this leak detection mouth is arranged on the bottom of the second stationary ring, the through inner ring to bearing block, in order to check the sealing of the second seal face；The bottom of above-mentioned leak detection mouth is provided with and connects lubricating cup, connects lubricating cup through shaft bearing at bearing.
Preferably, described gland is provided with steam vent, and the through gland of this steam vent seals space with axial wall and connects, in order to gets rid of axial wall and seals the gas in space, reduces air pressure, it is simple to reduces Colophonium and imports pressure.
The beneficial effects of the present invention is:
A, a kind of optimal way, described mandrel has inside to have some conduction oil passages and Colophonium passage, and conduction oil passage is distributed in Colophonium channel circumference, and conduction oil enters conduction oil passage through conduction oil entrance, derives through conduction oil outlet, circulates and heat Colophonium.It has the beneficial effect that 1, is entered by mandrel upper end cylindrical side opening along individual passage, falling heat-transfer oil in the space being made up of mandrel, gland, the first black box and sealing ring i.e. shaft end seal space, again by the conduction oil passage in the exit passageway return shaft core of mandrel upper end to Heat-transfer Oil Pump, to the Colophonium heating of residual in swivel coupling；2, conduction oil passage itself is with Colophonium passage side, it is also possible to Colophonium heating or preheating；3, swivel coupling can be preheated before the start of terminal works device, melt the solid-state of residual or thick Colophonium so that it is viscosity reduces, improve the floatability of black box, improve the working environment sealed, good sealing effect.
B, a kind of optimal way, described mandrel sidewall is provided with Colophonium flow export, this through retainer of Colophonium flow export, 4 radial direction through hole correspondences on retainer, is communicated to axial wall and seals space.It has the beneficial effect that 1, makes Colophonium be axial wall sealing space in entering the space being made up of mandrel, gland, black box, and this space structure is simply easy to the flowing that Colophonium is smooth, is reduced residual bitumen；2, dismounting sealing will not damage mandrel fit on face when tightening screw.
C, a kind of optimal way, described mandrel upper end conduction oil flow export is close to the first seal face；Colophonium export mouth is positioned at the contact jaw basifacial of bearing block and gland.It has the beneficial effect that 1, conduction oil can rinse cooling the first seal face, wash away the foreign body that the first seal face separates out, it is ensured that the stability of the first diaphragm seal；2, the Colophonium of flowing can rinse and take away the impurity near the second seal face and foreign body, Colophonium export mouth is arranged on axial wall and seals the bottom end vicinity in space simultaneously, make axial wall seal the Colophonium in space can smooth derive, residual asphalt is few, this Colophonium export mouth is arranged on the bearing block contact jaw basifacial Colophonium under gravity with gland first through the derivation of Colophonium export mouth simultaneously, make Colophonium immerse bearing block to reduce with the chance contacting end face of gland, prevent leakage.
D, a kind of optimal way, the present invention uses the spring sealed form of Double End, and black box is equilibrated type, and the material of sealing member is high temperature resistant；Concealed wavy spring is used to provide stretch compensation for rotating ring, it is ensured that its pressure is changed and second seal face stability when its pressure is changed by Colophonium with air with Colophonium by the first seal face at conduction oil.It has the beneficial effect that 1, can isolate two kinds of diverse media, utilizes conduction oil loop to the preheating of swivel coupling entirety or insulation；2, spring will not block, good sealing effect, seal face good stability.
E, one preferably mode, described bearing is high temperature resistant type diagonally contact ball bearing, can bear axially and radial force；Outside framework oil seal is also high temperature resistant type rubber, heatproof to 220 DEG C, (not using the FFKM being resistant to 300 DEG C) with low cost.The present invention can integral disassembly, assembly, safeguard seal time need not dismantle bearing；Can be vertical installation or horizontal installation, 360 degree of revolution range, rotating speed be up to 3000Rpm；With terminal works device type of attachment, the seam can reserved by gland upper end and connecting hole or other forms are connected, and are determined on a case-by-case basis.
Accompanying drawing explanation
Fig. 1 is the sectional view of the present invention
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the assembling structural representation of the present invention.
Fig. 4 is the axonometric chart of Fig. 3.
Fig. 5 is the end view of shaft core in Fig. 4.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figures 1 to 5, the technical scheme that the present invention takes is as follows, a kind of asphalt conveyer of band preheating function, it is characterized in that including: gland (5A), bearing block 5B, black box 3 and shaft core 6, wherein: the inside of above-mentioned shaft core 6 is provided with the first conduction oil passage 6A1, the second conduction oil passage 6A2 and Colophonium passage 6B1；Above-mentioned bearing block 5B is set in the bottom of shaft core 6, above-mentioned gland 5A is set in the top of shaft core 6, annular seal space is formed between the outer wall of gland 5A and the inwall of bearing block 5B and shaft core 6, being provided with ring seal assembly 3 in this annular seal space, above-mentioned annular seal space is divided into axial wall and seals space A and shaft end seal space B by black box 3；Colophonium flows upwardly into above-mentioned axial wall through Colophonium passage 6B1 and seals in the A of space, and the asphalt outlet 6B4 through being opened on bearing block 5B derives；Conduction oil is in the first conduction oil passage 6A1 enters above-mentioned shaft end seal space B, conduction oil introducing port 6A6 through being opened on shaft core 6 upper surface imports in the second conduction oil passage 6A1, deriving through being opened in the outlet 6A4 of the conduction oil on shaft core 6 lower surface, conduction oil circulates with the Colophonium in heated asphalt passage 6B1 in above-mentioned conduction oil passage.Conduction oil passage itself is with Colophonium passage, it is also possible to Colophonium heating or preheating.
Preferably, the lower end of the first described conduction oil passage 6A1 connects conduction oil entrance 6A3, and upper end connects conduction oil flow export 6A5, wherein: above-mentioned conduction oil entrance 6A3 is opened on the lower surface of shaft core 6；Above-mentioned conduction oil flow export 6A5 is opened on the sidewall of shaft core 6, conduction oil is in conduction oil entrance 6A3 enters the first conduction oil passage 6A1, in conduction oil flow export 6A5 enters shaft end seal space B, conduction oil flow export 6A5, close to the first seal face, can rinse cooling the first seal face, wash away the foreign body that the first seal face separates out.
The upper end of described Colophonium passage 6B1 connects Colophonium flow export 6B3, Colophonium flow export 6B3 is opened on the sidewall of shaft core 6, its height height less than conduction oil flow export 6A5, Colophonium in Colophonium passage 6B1 enters axial wall through Colophonium flow export 6B3 and seals in the A of space, derives through Colophonium export mouth 6B4；The height that above-mentioned Colophonium export mouth 6B4 the is arranged connecting end surface less than gland 5A and bearing block 5B, Colophonium in axial wall sealing space A is derived due to the most configured Colophonium export mouth 6B4 in bottom of action of gravity, prevents pitch infiltration to the connecting end surface of gland 5A Yu bearing block 5B.Colophonium flow export 6B3 is corresponding with 4 radial direction through hole on retainer 3F, make Colophonium enter the i.e. axial wall in space being made up of mandrel, gland, black box and seal space A, Colophonium flow export 6B3, close to the second seal face, can rinse cooling the second seal face, wash away the foreign body that the second seal face separates out.
Preferably, described black box 3 includes the first black box 31 and the second black box 32, and the first black box 31 is arranged on the inner face of gland 5A and the junction of shaft core 6, and the second black box 32 is arranged on the junction of bearing block 5B and shaft core 6；Above-mentioned first black box includes first stationary ring the 21, first rotating ring 3A1, the first rotating seat 3H1 and first waveform spring 3B1；Above-mentioned second black box includes second stationary ring the 22, second rotating ring 3A2, the second rotating seat 3H2 and the second wavy spring 3B2.Black box 3 is that Double End equilibrated type is spring sealed, seals associated materials high temperature resistant；The spring used is concealed wavy spring, not with Asphalt Contactor, will not block.
Preferably, the first described rotating seat 3H1 and the second rotating seat 3H2 is fixed on retainer 3F by stop pin 3G respectively, and both are connected with retainer 3F by first waveform spring 3B1 and the second wavy spring 3B2 respectively；Above-mentioned retainer 3F is fixed in shaft core 6 by fixing screw 3E；Above-mentioned first rotating ring 3A1 and the second rotating ring 3A2 is respectively embedded in the first rotating seat 3H1 and the second rotating seat 3H2；Above-mentioned first stationary ring 21 and the second stationary ring 22 are separately fixed on the inner face of gland 5A and in the inner groovy of bearing block 5B, and the first stationary ring 21 and the second stationary ring 22 are adjacent to the first rotating ring 3A1 and the second rotating ring 3A2 respectively and form the first seal face and the second seal face.Trundle 3G is welded on rotating seat, has not only played transmission moment of torsion but also the effect of pretensioned spring.
Preferably, being provided with bearing 7A, bearing 7A and be arranged on the step end face of shaft core 6 between described bearing block 5B and shaft core 6, shaft core 6 is fixed by the inner ring of jump ring 7B with bearing 7A, and shaft core 6 can drive retainer 3F360 degree to rotate；The lower end of bearing block 5B connects small end cover 5C.Described bearing is high temperature resistant type diagonally contact ball bearing, can bear axially and radial force.
Preferably, described bearing 7A is respectively arranged at two ends with outside framework oil seal 7C, and this outside framework oil seal 7C is separately positioned between bearing block 5B and shaft core 6 and between small end cover 5C and shaft core 6, to prevent axial wall from sealing the dopants penetration of the Colophonium in the A of space and outside to bearing 7A.Outside framework oil seal 7C is high temperature resistant type, with low cost.
Preferably, described bearing block 5B is provided with leak detection mouth 5B1, this leak detection mouth 5B1 and is arranged on the bottom of the second stationary ring 22, the through inner ring to bearing block 5B, in order to check the sealing of the second seal face；The bottom of above-mentioned leak detection mouth 5B1 is provided with and meets lubricating cup 5B2, connects lubricating cup 5B2 through shaft bearing 5B at bearing 7A.
Preferably, described gland 5A is provided with steam vent 5A1, and this steam vent 5A1 through gland 5A seals space A with axial wall and connects, in order to gets rid of axial wall and seals the gas in the A of space, reduces air pressure, it is simple to reduces Colophonium and imports pressure.
Further, the present invention solves Colophonium class temperature sensitivity medium and residues in the troublesome problem that swivel coupling is brought, and is conducive to improving the work efficiency of terminal works device；Compact conformation；Preheating heating or insulation are for built-in；Can integral disassembly, assembly；Bearing need not be dismantled when safeguarding and seal；The present invention can be vertical installation or horizontal installation, and 360 degree of revolution range, rotating speed is up to 3000Rpm；With terminal works device type of attachment, seam and the connecting hole 5A2 that can be reserved by gland upper end are connected.Above-mentioned small end cover 5C and bearing block 5B is connected by the first bolt 8C；Above-mentioned gland 5A and bearing block 5B is connected by the second bolt 8A；It is provided with two the first sealing ring 3C, to seal between internal diameter and shaft core 6 external diameter of above-mentioned retainer 3F；It is respectively equipped with the second sealing ring 3D, to seal between external diameter and two rotating seats of above-mentioned retainer 3F；It is provided with the 3rd sealing ring 1, to seal between above-mentioned first stationary ring 21 and gland 5A inwall；It also is provided with the 3rd sealing ring 1, to seal between above-mentioned second stationary ring 22 and the groove inner wall of bearing block 5B；Above-mentioned leak detection mouth 5B1 and steam vent 5A1 is generally sealed condition；Above-mentioned connecting hole 5A2 is preformed hole.
Embodiments of the invention simply introduce its detailed description of the invention, do not lie in and limit its protection domain.The technical staff of the industry may be made that some is revised under the inspiration of the present embodiment, therefore all equivalence changes done according to the scope of the claims of the present invention or modification, belong in scope of the patent claims of the present invention.
Claims (9)
1. the asphalt conveyer of a band preheating function, it is characterized in that including: gland (5A), bearing block (5B), black box (3) and shaft core (6), wherein: the inside of above-mentioned shaft core (6) is provided with the first conduction oil passage (6A1), the second conduction oil passage (6A2) and Colophonium passage (6B1)；Above-mentioned bearing block (5B) is set in the bottom of shaft core (6), above-mentioned gland (5A) is set in the top of shaft core (6), annular seal space is formed between the outer wall of gland (5A) and the inwall of bearing block (5B) and shaft core (6), being provided with ring seal assembly (3) in this annular seal space, above-mentioned annular seal space is divided into axial wall and seals space (A) and shaft end seal space (B) by black box (3)；Colophonium flows upwardly into above-mentioned axial wall through Colophonium passage (6B1) and seals in space (A), and the asphalt outlet (6B4) through being opened on bearing block (5B) is derived；Conduction oil is in the first conduction oil passage (6A1) enters above-mentioned shaft end seal space (B), conduction oil introducing port (6A6) through being opened on shaft core (6) upper surface imports in the second conduction oil passage (6A1), deriving through being opened in the outlet of the conduction oil on shaft core (6) lower surface (6A4), conduction oil circulates with the Colophonium in heated asphalt passage (6B1) in above-mentioned conduction oil passage.
The asphalt conveyer of a kind of band the most according to claim 1 preheating function, it is characterized in that: the lower end of the first described conduction oil passage (6A1) connects conduction oil entrance (6A3), upper end connects conduction oil flow export (6A5), wherein: above-mentioned conduction oil entrance (6A3) is opened on the lower surface of shaft core (6)；Above-mentioned conduction oil flow export (6A5) is opened on the sidewall of shaft core (6), and conduction oil is in conduction oil entrance (6A3) enters the first conduction oil passage (6A1), in conduction oil flow export (6A5) enters shaft end seal space (B).
The asphalt conveyer of a kind of band the most according to claim 2 preheating function, it is characterized in that: the upper end of described Colophonium passage (6B1) connects Colophonium flow export (6B3), Colophonium flow export (6B3) is opened on the sidewall of shaft core (6), its height is less than the height of conduction oil flow export (6A5), Colophonium in Colophonium passage (6B1) enters axial wall through Colophonium flow export (6B3) and seals in space (A), derives through Colophonium export mouth (6B4)；The height that above-mentioned Colophonium export mouth (6B4) is arranged is less than the connecting end surface of gland (5A) with bearing block (5B), Colophonium in axial wall sealing space (A) is derived due to the most configured Colophonium export mouth (6B4) in bottom of action of gravity, prevents pitch infiltration to the connecting end surface of gland (5A) Yu bearing block (5B).
4. the asphalt conveyer of function is preheated according to a kind of band according to any one of claim 1-3, it is characterized in that: described black box (3) includes the first black box (31) and the second black box (32), first black box (31) is arranged on the inner face of gland (5A) and the junction of shaft core (6), and the second black box (32) is arranged on the junction of bearing block (5B) and shaft core (6)；Above-mentioned first black box includes the first stationary ring (21), the first rotating ring (3A1), the first rotating seat (3H1) and first waveform spring (3B1)；Above-mentioned second black box includes the second stationary ring (22), the second rotating ring (3A2), the second rotating seat (3H2) and the second wavy spring (3B2).
The asphalt conveyer of a kind of band the most according to claim 4 preheating function, it is characterized in that: described the first rotating seat (3H1) and the second rotating seat (3H2) are fixed on retainer (3F) by stop pin (3G) respectively, both are connected with retainer (3F) by first waveform spring (3B1) and the second wavy spring (3B2) respectively；Above-mentioned retainer (3F) is fixed in shaft core (6) by fixing screw (3E)；Above-mentioned first rotating ring (3A1) and the second rotating ring (3A2) are respectively embedded in the first rotating seat (3H1) and the second rotating seat (3H2)；Above-mentioned first stationary ring (21) and the second stationary ring (22) are separately fixed on the inner face of gland (5A) and in the inner groovy of bearing block (5B), and the first stationary ring (21) and the second stationary ring (22) are adjacent to the first rotating ring (3A1) respectively and the second rotating ring (3A2) forms the first seal face and the second seal face.
6. the asphalt conveyer of function is preheated according to a kind of band according to any one of claim 1-3, it is characterized in that: between described bearing block (5B) and shaft core (6), be provided with bearing (7A), bearing (7A) is arranged on the step end face of shaft core (6), shaft core (6) is fixed by the inner ring of jump ring (7B) with bearing (7A), and shaft core (6) can drive retainer (3F) 360 degree rotation；The lower end of bearing block (5B) connects small end cover (5C).
The asphalt conveyer of a kind of band the most according to claim 6 preheating function, it is characterized in that: described bearing (7A) be respectively arranged at two ends with outside framework oil seal (7C), this outside framework oil seal (7C) is separately positioned between bearing block (5B) and shaft core (6) and between small end cover (5C) and shaft core (6), to prevent axial wall from sealing the dopants penetration of the Colophonium in space (A) and outside to bearing (7A).
The asphalt conveyer of a kind of band the most according to claim 4 preheating function, it is characterized in that: described bearing block (5B) is provided with leak detection mouth (5B1), this leak detection mouth (5B1) is arranged on the bottom of the second stationary ring (22), the through inner ring to bearing block (5B), in order to check the sealing of the second seal face；The bottom of above-mentioned leak detection mouth (5B1) is provided with and connects lubricating cup (5B2), connects lubricating cup (5B2) through shaft bearing (5B) to bearing (7A) place.
The asphalt conveyer of a kind of band the most according to claim 1 preheating function, it is characterized in that: described gland (5A) is provided with steam vent (5A1), this steam vent (5A1) through gland (5A) seals space (A) with axial wall and connects, to get rid of axial wall to seal the gas in space (A), reduce air pressure, it is simple to reduce Colophonium and import pressure.
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| CN201410003676.6A CN103759090B (en) | 2014-01-06 | 2014-01-06 | A kind of asphalt conveyer of band preheating function |
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| CN110375138A (en) * | 2019-06-13 | 2019-10-25 | 南京高精船用设备有限公司 | A kind of hydraulic separator system |
| CN113685639B (en) * | 2021-08-24 | 2022-12-27 | 云南玉溪玉昆钢铁集团有限公司 | Novel self-rotating multi-channel rotary joint |
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| CN202580118U (en) * | 2012-05-15 | 2012-12-05 | 浙江美通筑路机械股份有限公司 | Asphalt and heat conduction oil composite rotary valve |
| CN202955019U (en) * | 2012-12-05 | 2013-05-29 | 东莞市华汇精密机械有限公司 | Mechanical sealing device for low-density volatile medium |
| CN203770907U (en) * | 2014-01-06 | 2014-08-13 | 东莞市华汇精密机械有限公司 | Asphalt conveying device with preheating function |
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2014
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| US5799692A (en) * | 1995-07-12 | 1998-09-01 | Gat Gesellschaft Fur Antriebstechnik Mbh | Device for the transfer of fluid between machine components rotatable relative to each other |
| EP0974782A2 (en) * | 1998-07-20 | 2000-01-26 | Karl Hiestand | Device for supplying fluid under pressure |
| CN201218375Y (en) * | 2008-07-18 | 2009-04-08 | 佛山市南海力丰机床有限公司 | High-pressure rotating connector |
| CN201651619U (en) * | 2010-01-19 | 2010-11-24 | 南京林业大学 | Static pressure feedback control type high-speed joint |
| CN202580118U (en) * | 2012-05-15 | 2012-12-05 | 浙江美通筑路机械股份有限公司 | Asphalt and heat conduction oil composite rotary valve |
| CN202955019U (en) * | 2012-12-05 | 2013-05-29 | 东莞市华汇精密机械有限公司 | Mechanical sealing device for low-density volatile medium |
| CN203770907U (en) * | 2014-01-06 | 2014-08-13 | 东莞市华汇精密机械有限公司 | Asphalt conveying device with preheating function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103759090A (en) | 2014-04-30 |
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Denomination of invention: Asphalt conveying device with preheating function Effective date of registration: 20170804 Granted publication date: 20160817 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: DONGGUAN HUAHUI PRECISION MACHINERY CO.,LTD. Registration number: 2017990000712 |
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Address after: Room 1101, No. 11, 1st Road, Sanyong Industrial Park, Zhongtang Town, Dongguan City, Guangdong Province, 523507 Patentee after: Guangdong Huahui Intelligent Equipment Co.,Ltd. Address before: 523000 Chajiao Industrial Park, Zhongtang Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN HUAHUI PRECISION MACHINERY CO.,LTD. |