CN107940031A - A kind of pneumatic loading machine manipulates valve - Google Patents
A kind of pneumatic loading machine manipulates valve Download PDFInfo
- Publication number
- CN107940031A CN107940031A CN201711485737.7A CN201711485737A CN107940031A CN 107940031 A CN107940031 A CN 107940031A CN 201711485737 A CN201711485737 A CN 201711485737A CN 107940031 A CN107940031 A CN 107940031A
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- Prior art keywords
- valve body
- spring
- valve
- valve rod
- rod
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- 230000001050 lubricating effect Effects 0.000 claims description 35
- 239000012530 fluid Substances 0.000 claims description 33
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 238000012946 outsourcing Methods 0.000 claims description 16
- 239000000835 fiber Substances 0.000 claims description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- 229910052709 silver Inorganic materials 0.000 claims description 9
- 239000004332 silver Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 abstract description 3
- 238000005065 mining Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
-
- 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
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Multiple-Way Valves (AREA)
Abstract
A kind of pneumatic loading machine manipulates valve, belongs to Mining loader tool field.It is characterized by comprising control crank, the first axis pin, pull rod, the second axis pin, the 3rd axis pin, valve rod, valve body, cover board, support base, spring fastening, gasket, return spring, stop collar, caging bolt；Valve rod is installed in valve body and can move up and down；The top of valve rod is connected by the second axis pin with pull rod, and the other end of pull rod is installed in operation handle by the first axis pin；Another o'clock of control crank is installed on support base by the 3rd axis pin, and support base is installed on above valve body；Cover board is installed on the side of valve body, and spring fastening is installed on valve body lower portion, gasket is installed between spring fastening and valve body, and spring fastening is internally provided with spring cavity, and bolt hole is set in the lower part of spring cavity；Return spring is housed in the spring cavity.Air flux of the present invention is big, and the pneumatic loading machine for being particularly suitable for underground mine tunnel particular surroundings uses.
Description
Technical field
The invention belongs to Mining loader tool field, and in particular to a kind of pneumatic loading machine manipulates valve.
Background technology
Existing general pneumatic system manipulates valve, primarily as the action control element of pneumatic system, inside nominal diameter ratio
Smaller, the gas flow passed through is less.And the pneumatic system of the pneumatic loading machine in mine manipulate valve be energy hole element, it is necessary to
Very big gas flow, therefore engineering latus rectum is very big.Simultaneously because limited by underground mine tunnel environment space, it is universal pneumatic
The inner structure form of system manipulation valve, appearance and size, mounting means, pipeline connecting mode can not all meet that mine pneumatically loads
The requirement of machinery.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of pneumatic loading machine and manipulate valve, and air flux is big, and valve body is
Integral cast, durable, the pneumatic loading machine for being particularly suitable for underground mine tunnel particular surroundings uses.The present invention will solve
Second technical problem certainly is the structure by improving return spring, makes its active strokes more controllable, is less prone to excessively
Stretching or compression cause the generation of the destructive accident such as fracture.The invention solves the 3rd technical problem be to pass through setting
Spring fastening self-lubricating device, effectively reduces the frictional force between return spring and spring fastening, avoids friction from causing spring strong
Degree reduces, in addition, can also prevent device bulk life time caused by spring corrosion failure from shortening by lubricating action.
In order to solve the above technical problems, the technical scheme is that：A kind of pneumatic loading machine is provided and manipulates valve, it is special
Sign be to include control crank, the first axis pin, pull rod, the second axis pin, the 3rd axis pin, valve rod, valve body, support base, spring fastening,
Gasket, return spring, stop collar, caging bolt；Valve rod is installed in valve body and can move up and down；The top of valve rod passes through
Second axis pin is connected with pull rod, and the other end of pull rod is installed in operation handle by the first axis pin；Another point of control crank
It is installed on by the 3rd axis pin on support base, support base is installed on above valve body；Spring fastening is installed on valve body lower portion, spring branch
Gasket is installed between seat and valve body, spring fastening is internally provided with spring cavity, and bolt hole is set in the lower part of spring cavity；The bullet
Spring intracavitary is equipped with return spring；Caging bolt includes bolt head and body, and the body of caging bolt upward and connects the lower part of valve rod,
And caging bolt can be moved up and down with valve rod, the bolt of caging bolt upside down and is arranged in bolt hole；Stop collar and return
Spring is sleeved on caging bolt, and it is spacing be set on inside return spring, the bolt head of the caging bolt can limit
Stop collar and return spring are moved without deviating from from body along body；
Air admission hole, the first venthole, first row stomata, the second venthole, second row stomata are provided with valve body；The air inlet
Hole, the first venthole, first row stomata, the second venthole, second row stomata are arranged at the left side of valve body, and the right side of valve body is
Close backboard；The valve body and the air admission hole set on valve body, the first venthole, first row stomata, the second venthole, second
Exhausting-gas hole and closing backboard are integrated casting；
The first groove, the second groove, the 3rd groove are provided with valve rod；The valve rod in cylinder, first, second, and third
Groove is the annular groove being coaxially disposed with valve rod；
When not manipulating control crank, for valve rod under the action of return spring, valve rod is in middle position, at this time the second groove of valve rod
Communicated with the air admission hole of valve body, all obstructed with other holes of valve body, the compressed air of valve body air admission hole is trapped in valve body at this time；
First groove of valve rod is communicated with the first row stomata of valve body, and the 3rd groove of valve rod is communicated with the second row stomata of valve body, valve
The residual gas discharge at body both ends, valve rod both ends do not have pressure to move freely；
Operation handle is pulled to the left, valve rod is pulled up by the first axis pin, the second axis pin, the 3rd axis pin, pull rod, caging bolt
Moved up with valve rod, return spring compression, when caging bolt is contacted with stop collar lower face, stop collar upper surface connects with gasket
Valve rod no longer moves up when touching；The second groove of valve rod is communicated with air admission hole, the first venthole of valve body of valve body at the same time at this time, this
When valve body air admission hole compressed air other pneumatic elements are led to by the first venthole of valve body；The first groove of valve rod and valve body the
One exhausting-gas hole communicates, and the 3rd groove of valve rod communicates at the same time with valve body second row stomata, the second venthole, the residual gas at valve body both ends
Body is discharged, and valve rod both ends do not have pressure to move freely, and the exhaust gas of the second venthole of valve body is returned to from other pneumatic elements
Discharged by second row stomata；
Operation handle is pulled to the right, valve rod is pulled downward on by the first axis pin, the second axis pin, the 3rd axis pin, pull rod, caging bolt
Moved down with valve rod, return spring elongates, the valve rod when the bolt head of caging bolt is contacted with the bolt hole bottom of spring fastening
No longer move down；The second groove of valve rod is communicated with the air admission hole of valve body, the second venthole of valve body at the same time at this time, at this time valve
The compressed air of body air admission hole leads to other pneumatic elements by the second venthole of valve body；First groove of valve rod and valve body first
Exhausting-gas hole, the first venthole communicate at the same time, and the 3rd groove of valve rod is communicated with valve body second row stomata, the residual gas at valve body both ends
Discharge, valve rod both ends do not have pressure to move freely, and the exhaust gas from other pneumatic elements back to the first venthole of valve body leads to
Cross the discharge of first row stomata.
Preferably, return spring limiting device is further included, the return spring limiting device includes three-stage groups of springs, institute
Stating three-stage groups of springs includes upper springs, middle part spring and lower springs, and upper springs, middle part spring and lower springs are by upper
It is arranged under and in spring cavity；At middle part, the upper 1/3-1/2 partial interiors of spring set hollow upper rubber cylinder, in middle part bullet
The lower 1/3-1/2 partial interiors of spring set hollow lower rubber cylinder；The upper and lower rubber cylinder is set respectively in upper surface
First and second upper support arms, set the first and second lower support arms in lower face respectively, first upper support arm and
Second lower support arm is fixed respectively or wraps the upper and lower ends of middle part spring, first lower support arm and the second lower support arm
Insertion is fixed in the spring body of middle part spring respectively.
Preferably, spring fastening self-lubricating device is further included, the spring fastening self-lubricating device includes hollow profit certainly
Slip ring and " M " shape metal strip, the self-lubricating ring set are mounted in the outside of spring cavity；It is arranged in the middle part of the metal strip
Between portion's spring and middle part spring；Left and right longitudinally oriented strip hole is opened up respectively in the spring cavity both sides of spring fastening and left and right silver is worn
Hole；Left and right silver perforation is separately positioned on the top in left and right longitudinally oriented strip hole；The both ends of metal strip are pierced by left and right silver respectively
Perforation, extend into the hollow cavity of self-lubricating ring；Lubricating fluid ball storage bin is set in the hollow cavity of self-lubricating ring, is being moistened
The top of synovia ball storage bin sets feed inlet, discharge port is set in the lower part of lubricating fluid ball storage bin, in lubricating fluid ball storing
Several lubricating fluid spheres are set in storehouse, and the lubricating fluid sphere includes outsourcing film, lubricating fluid is filled with outsourcing film；Institute
State discharge outlet and liquid ball output switching valve body is set；
Slider-crank mechanism is set in self-lubricating ring, and the slider-crank mechanism includes upper and lower cross bar, the upper sheer pole
Left end is fastened in the first lower support arm and the second upper support arm respectively, and the right end of upper and lower cross bar is respectively articulated with fixed
The upper end of upright bar and the lower end of lower upright bar, the lower end of the upper pright stanchion and the upper end of lower upright bar are hinged on one by hinged axis body
Rise；The slider-crank mechanism further includes connecting rod, and the left end of the connecting rod is hinged on hinged axis body, and the right end of connecting rod is hinged on
On the periphery of runner a bit；The axis of the runner is hingedly fixed in self-lubricating ring, and the overhanging end of the metal strip leads to
Bar of overdriving is hinged another point of rotor periphery；Movable block is set with hinged axis body；
When three-stage groups of springs moves up and down, the length that metal strip stretches into self-lubricating ring is driven to change, and then drive driving
Bar moves up and down, and driving runner surrounds central axis, makes connecting rod drive hinged axis body to move left and right, movable block moves to a left side therewith
During side can started by press liquid ball output switching valve body, make a lubricating fluid sphere be exported out of lubricating fluid ball storage bin；
The lower part of the self-lubricating ring sets rubber conveying pipeline, the upper end unicom discharge port of the rubber conveying pipeline, rubber conveying
The lower part of the lower end unicom spring cavity of pipe；The lubricating fluid sphere can be along the bolt for entering spring cavity lower part by rubber conveying pipeline
Chamber；When caging bolt moves up and down, outsourcing film can be racked, makes lubricating fluid enter in spring cavity.
Preferably, in three-stage groups of springs outer wrapping fiber cover body, when caging bolt racks outsourcing film, liquid energy is lubricated
Enough along by fiber cover body, throughout the outer surface of whole three-stage groups of springs, outsourcing film is isolated in outside fiber cover body, and energy
Discharged from bolt hole.
Compared with prior art, the beneficial effects of the invention are as follows：
1. pneumatic loading machine of the present invention manipulates valve, air flux is big, is particularly suitable for underground mine tunnel particular surroundings
Pneumatic loading machine uses.
2. by improving the structure of return spring, make its active strokes more controllable, be less prone to excessive tensile or pressure
Contracting causes the generation of the destructive accident such as fracture.
3. by setting spring fastening self-lubricating device, the frictional force between return spring and spring fastening is effectively reduced,
Friction is avoided to cause spring strength to reduce, in addition, device caused by can also preventing spring corrosion failure by lubricating action is overall
The lost of life.
Brief description of the drawings
Fig. 1 is the structure diagram of valve rod；
Fig. 2 is the structure diagram of valve casing；
Fig. 3 is the assembling structure schematic diagram when present invention is in middle position；
Fig. 4 is the assembling structure schematic diagram when present invention is in left position；
Fig. 5 is the assembling structure schematic diagram when present invention is in right position；
Fig. 6 is the structure diagram of return spring limiting device and spring fastening self-lubricating device（Without caging bolt）；
In figure：1st, spring fastening self-lubricating device；1.1st, drive rod；1.2nd, cross tube；1.3rd, connecting rod；1.4th, feed inlet；1.5、
Self-lubricating ring；1.6th, lubricating fluid ball storage bin；1.7th, upper pright stanchion；1.8th, liquid ball output switching valve body；1.9th, discharge port；1.10、
Movable block；1.11st, lower upright bar；1.12, sheer pole；1.13, runner；1.14th, longitudinally oriented strip hole；1.15th, fiber cover body；1.16, under
Portion's spring；1.17th, the second lower support arm；1.18th, lower rubber cylinder；1.19th, the second upper support arm；1.20th, middle part spring；
1.21st, the first lower support arm；1.22nd, upper rubber cylinder；1.23rd, the first upper support arm；1.24, metal strip；1.25, bar
Piece is perforated；1.26, upper springs；
2nd, valve rod；2.1st, the first groove；2.2nd, the second groove；2.3rd, the 3rd groove；
3rd, valve body；3.1st, the first venthole；3.2nd, the second venthole；3.3rd, air admission hole；3.4th, second row stomata；3.5th, first row
Stomata；
4th, spring fastening；4.1st, gasket；4.2nd, caging bolt；4.3rd, bolt hole；4.4th, stop collar；4.5th, return spring；4.6、
Spring cavity；
6th, the 3rd axis pin；7th, control crank；8th, the first axis pin；9th, pull rod；10th, the second axis pin；11st, support base.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment one
As shown in Figure 1, a kind of pneumatic loading machine of the present invention manipulates valve, including control crank, the first axis pin, pull rod,
Second axis pin, the 3rd axis pin, valve rod, valve body, support base, spring fastening, gasket, return spring, stop collar, caging bolt；Valve
Bar is installed in valve body and can move up and down；The top of valve rod is connected by the second axis pin with pull rod, the other end of pull rod
It is installed on by the first axis pin in operation handle；Another o'clock of control crank is installed on support base by the 3rd axis pin, support
Seat is installed on above valve body；Spring fastening is installed on valve body lower portion, installs gasket between spring fastening and valve body, in spring fastening
Portion is provided with spring cavity, and bolt hole is set in the lower part of spring cavity；Return spring is housed in the spring cavity；Caging bolt includes
Bolt head and body, the body of caging bolt upward and connect the lower part of valve rod, and caging bolt can be moved up and down with valve rod, limit
The bolt of position bolt upside down and is arranged in bolt hole；Stop collar and return spring are sleeved on caging bolt, and stop collar
Be arranged on inside return spring, the bolt head of the caging bolt can limit stop collar and return spring along body move without
Deviate from from body.
Air admission hole, the first venthole, first row stomata, the second venthole, second row stomata are provided with valve body；It is described
Air admission hole, the first venthole, first row stomata, the second venthole, second row stomata are arranged at the left side of valve body, the right side of valve body
Side is closing backboard；The valve body and the air admission hole set on valve body, the first venthole, first row stomata, the second venthole,
Second row stomata and closing backboard are integrated casting.
The first groove, the second groove, the 3rd groove are provided with valve rod；The valve rod is in cylinder, first, second He
3rd groove is the annular groove being coaxially disposed with valve rod.
When not manipulating control crank, valve rod is under the action of return spring, and valve rod is in middle position, and the second of valve rod is recessed at this time
Groove is only communicated with the air admission hole of valve body, and all obstructed with other holes of valve body, the compressed air of valve body air admission hole is trapped in valve at this time
In vivo；First groove of valve rod is communicated with the first row stomata of valve body, the 3rd groove of valve rod and the second row stomata phase of valve body
Logical, the residual gas discharge at valve body both ends, valve rod both ends do not have pressure to move freely.
Operation handle is pulled to the left, and valve rod is pulled up by the first axis pin, the second axis pin, the 3rd axis pin, pull rod, it is spacing
Bolt is moved up with valve rod, and return spring compression, when caging bolt is contacted with stop collar lower face, stop collar upper surface is with padding
Valve rod no longer moves up when piece contacts；The second groove of valve rod air admission hole with valve body, valve body the first venthole phase at the same time at this time
Logical, the compressed air of valve body air admission hole leads to other pneumatic elements by the first venthole of valve body at this time；The first groove of valve rod with
Valve body first row stomata communicates, and the 3rd groove of valve rod communicates at the same time with valve body second row stomata, the second venthole, valve body both ends
Residual gas is discharged, and valve rod both ends do not have pressure to move freely, the second venthole of valve body is returned to from other pneumatic elements
Exhaust gas discharged by second row stomata.
Operation handle is pulled to the right, and valve rod is pulled downward on by the first axis pin, the second axis pin, the 3rd axis pin, pull rod, it is spacing
Bolt is moved down with valve rod, and return spring elongates, when the bolt head of caging bolt is contacted with the bolt hole bottom of spring fastening
Valve rod no longer moves down；The second groove of valve rod is communicated with the air admission hole of valve body, the second venthole of valve body at the same time at this time, this
When valve body air admission hole compressed air other pneumatic elements are led to by the second venthole of valve body；The first groove and valve body of valve rod
First row stomata, the first venthole communicate at the same time, and the 3rd groove of valve rod is communicated with valve body second row stomata, the remnants at valve body both ends
Gas is discharged, and valve rod both ends do not have pressure to move freely, from other pneumatic elements giving up back to the first venthole of valve body
Gas is discharged by first row stomata.
Embodiment two
As shown in fig. 6, further including return spring limiting device in the present embodiment, the return spring limiting device includes three sections
Formula groups of springs, the three-stage groups of springs include upper springs, middle part spring and lower springs, upper springs, middle part spring and
Lower springs are from top to bottom arranged in spring cavity；At middle part, the upper 1/3-1/2 partial interiors of spring set hollow upper rubber
Cylinder, at middle part, the lower 1/3-1/2 partial interiors of spring set hollow lower rubber cylinder；The upper and lower rubber cylinder exists
Upper surface sets the first and second upper support arms respectively, sets the first and second lower support arms respectively in lower face, described
The upper and lower ends of middle part spring, first lower support arm are fixed or wrapped respectively to first upper support arm and the second lower support arm
It is inserted into and is fixed in the spring body of middle part spring respectively with the second lower support arm.
Remaining structure and occupation mode are as in the first embodiment, repeat no more.
Embodiment three
As shown in fig. 6, further including spring fastening self-lubricating device in the present embodiment, the spring fastening self-lubricating device includes
Hollow self-lubricating ring and " M " shape metal strip, the self-lubricating ring set are mounted in the outside of spring cavity；In the metal strip
Portion is arranged between upper springs and middle part spring；Opened up respectively in the spring cavity both sides of spring fastening left and right longitudinally oriented strip hole and
Left and right silver perforation；Left and right silver perforation is separately positioned on the top in left and right longitudinally oriented strip hole；Wear respectively at the both ends of metal strip
Go out left and right silver perforation, extend into the hollow cavity of self-lubricating ring；Lubricating fluid ball is set in the hollow cavity of self-lubricating ring
Storage bin, feed inlet is set on the top of lubricating fluid ball storage bin, is set discharge port in the lower part of lubricating fluid ball storage bin, is being moistened
Several lubricating fluid spheres are set in synovia ball storage bin, and the lubricating fluid sphere includes outsourcing film, filled in outsourcing film
Enter lubricating fluid；The discharge outlet sets liquid ball output switching valve body；
Slider-crank mechanism is set in self-lubricating ring, and the slider-crank mechanism includes upper and lower cross bar, the upper sheer pole
Left end is fastened in the first lower support arm and the second upper support arm respectively, and the right end of upper and lower cross bar is respectively articulated with fixed
The upper end of upright bar and the lower end of lower upright bar, the lower end of the upper pright stanchion and the upper end of lower upright bar are hinged on one by hinged axis body
Rise；The slider-crank mechanism further includes connecting rod, and the left end of the connecting rod is hinged on hinged axis body, and the right end of connecting rod is hinged on
On the periphery of runner a bit；The axis of the runner is hingedly fixed in self-lubricating ring, and the overhanging end of the metal strip leads to
Bar of overdriving is hinged another point of rotor periphery；Movable block is set with hinged axis body；
When three-stage groups of springs moves up and down, the length that metal strip stretches into self-lubricating ring is driven to change, and then drive driving
Bar moves up and down, and driving runner surrounds central axis, makes connecting rod drive hinged axis body to move left and right, movable block moves to a left side therewith
During side can started by press liquid ball output switching valve body, make a lubricating fluid sphere be exported out of lubricating fluid ball storage bin；
The lower part of the self-lubricating ring sets rubber conveying pipeline, the upper end unicom discharge port of the rubber conveying pipeline, rubber conveying
The lower part of the lower end unicom spring cavity of pipe；The lubricating fluid sphere can be along the bolt for entering spring cavity lower part by rubber conveying pipeline
Chamber；When caging bolt moves up and down, outsourcing film can be racked, makes lubricating fluid enter in spring cavity.
In three-stage groups of springs outer wrapping fiber cover body, when caging bolt racks outsourcing film, lubricating fluid can along by
Fiber cover body is isolated in outside fiber cover body throughout the outer surface of whole three-stage groups of springs, outsourcing film, and can be from bolt
Discharged in hole.
Remaining structure and occupation mode are repeated no more with embodiment one and/or two.
The above, is only the preferred embodiment of this patent, is not the limitation for making other forms to this patent, is appointed
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.It is every without departing from the art of this patent plan content, what the technical spirit according to this patent made above example
Any simple modification, equivalent variations and remodeling, still fall within the protection domain of the art of this patent scheme.
Claims (4)
1. a kind of pneumatic loading machine manipulates valve, it is characterised in that including control crank, the first axis pin, pull rod, the second axis pin, the
Three axis pins, valve rod, valve body, support base, spring fastening, gasket, return spring, stop collar, caging bolt；Valve rod is installed on valve body
It is interior and can move up and down；The top of valve rod is connected by the second axis pin with pull rod, and the other end of pull rod passes through the first axis pin
In operation handle；Another o'clock of control crank is installed on support base by the 3rd axis pin, and support base is installed on valve body
Top；Spring fastening is installed on valve body lower portion, and gasket is installed between spring fastening and valve body, and spring fastening is internally provided with spring
Chamber, bolt hole is set in the lower part of spring cavity；Return spring is housed in the spring cavity；Caging bolt includes bolt head and body,
The body of caging bolt upward and connects the lower part of valve rod, and caging bolt can be moved up and down with valve rod, the bolt of caging bolt
Upside down and it is arranged in bolt hole；Stop collar and return spring are sleeved on caging bolt, and spacing are set on return
Spring inner, the bolt head of the caging bolt can limit stop collar and return spring and be moved along body without being taken off from body
Go out；
Air admission hole, the first venthole, first row stomata, the second venthole, second row stomata are provided with valve body；The air inlet
Hole, the first venthole, first row stomata, the second venthole, second row stomata are arranged at the left side of valve body, and the right side of valve body is
Close backboard；The valve body and the air admission hole set on valve body, the first venthole, first row stomata, the second venthole, second
Exhausting-gas hole and closing backboard are integrated casting；
The first groove, the second groove, the 3rd groove are provided with valve rod；The valve rod in cylinder, first, second, and third
Groove is the annular groove being coaxially disposed with valve rod；
When not manipulating control crank, for valve rod under the action of return spring, valve rod is in middle position, at this time the second groove of valve rod
Communicated with the air admission hole of valve body, all obstructed with other holes of valve body, the compressed air of valve body air admission hole is trapped in valve body at this time；
First groove of valve rod is communicated with the first row stomata of valve body, and the 3rd groove of valve rod is communicated with the second row stomata of valve body, valve
The residual gas discharge at body both ends, valve rod both ends do not have pressure to move freely；
Operation handle is pulled to the left, valve rod is pulled up by the first axis pin, the second axis pin, the 3rd axis pin, pull rod, caging bolt
Moved up with valve rod, return spring compression, when caging bolt is contacted with stop collar lower face, stop collar upper surface connects with gasket
Valve rod no longer moves up when touching；The second groove of valve rod is communicated with air admission hole, the first venthole of valve body of valve body at the same time at this time, this
When valve body air admission hole compressed air other pneumatic elements are led to by the first venthole of valve body；The first groove of valve rod and valve body the
One exhausting-gas hole communicates, and the 3rd groove of valve rod communicates at the same time with valve body second row stomata, the second venthole, the residual gas at valve body both ends
Body is discharged, and valve rod both ends do not have pressure to move freely, and the exhaust gas of the second venthole of valve body is returned to from other pneumatic elements
Discharged by second row stomata；
Operation handle is pulled to the right, valve rod is pulled downward on by the first axis pin, the second axis pin, the 3rd axis pin, pull rod, caging bolt
Moved down with valve rod, return spring elongates, the valve rod when the bolt head of caging bolt is contacted with the bolt hole bottom of spring fastening
No longer move down；The second groove of valve rod is communicated with the air admission hole of valve body, the second venthole of valve body at the same time at this time, at this time valve
The compressed air of body air admission hole leads to other pneumatic elements by the second venthole of valve body；First groove of valve rod and valve body first
Exhausting-gas hole, the first venthole communicate at the same time, and the 3rd groove of valve rod is communicated with valve body second row stomata, the residual gas at valve body both ends
Discharge, valve rod both ends do not have pressure to move freely, and the exhaust gas from other pneumatic elements back to the first venthole of valve body leads to
Cross the discharge of first row stomata.
2. a kind of pneumatic loading machine described in accordance with the claim 1 manipulates valve, it is characterised in that：It is spacing to further include return spring
Device, the return spring limiting device include three-stage groups of springs, and the three-stage groups of springs includes upper springs, middle part bullet
Spring and lower springs, upper springs, middle part spring and lower springs are from top to bottom arranged in spring cavity；At middle part, spring is upper
1/3-1/2 partial interiors set hollow upper rubber cylinder, in the case where the lower 1/3-1/2 partial interiors setting of middle part spring is hollow
Rubber cylinder；The upper and lower rubber cylinder sets the first and second upper support arms respectively in upper surface, distinguishes in lower face
First and second lower support arms are set, and first upper support arm and the second lower support arm are fixed respectively or wrap middle part bullet
The upper and lower ends of spring, first lower support arm and the second lower support arm are inserted into the spring body for being fixed on middle part spring respectively
In.
3. a kind of pneumatic loading machine described in accordance with the claim 2 manipulates valve, it is characterised in that：Spring fastening is further included from profit
Sliding device, the spring fastening self-lubricating device include hollow self-lubricating ring and " M " shape metal strip, the self-lubricating ring set
Mounted in the outside of spring cavity；It is arranged in the middle part of the metal strip between upper springs and middle part spring；In spring fastening
Spring cavity both sides open up left and right longitudinally oriented strip hole and the perforation of left and right silver respectively；Left and right silver perforation is separately positioned on left and right vertical
To the top in bar hole；The both ends of metal strip are pierced by left and right silver perforation respectively, extend into the hollow cavity of self-lubricating ring；
Lubricating fluid ball storage bin is set in the hollow cavity of self-lubricating ring, feed inlet is set on the top of lubricating fluid ball storage bin,
The lower part of lubricating fluid ball storage bin sets discharge port, several lubricating fluid spheres, the profit are set in lubricating fluid ball storage bin
Synovia sphere includes outsourcing film, and lubricating fluid is filled with outsourcing film；The discharge outlet sets liquid ball output switching valve body；
Slider-crank mechanism is set in self-lubricating ring, and the slider-crank mechanism includes upper and lower cross bar, the upper sheer pole
Left end is fastened in the first lower support arm and the second upper support arm respectively, and the right end of upper and lower cross bar is respectively articulated with fixed
The upper end of upright bar and the lower end of lower upright bar, the lower end of the upper pright stanchion and the upper end of lower upright bar are hinged on one by hinged axis body
Rise；The slider-crank mechanism further includes connecting rod, and the left end of the connecting rod is hinged on hinged axis body, and the right end of connecting rod is hinged on
On the periphery of runner a bit；The axis of the runner is hingedly fixed in self-lubricating ring, and the overhanging end of the metal strip leads to
Bar of overdriving is hinged another point of rotor periphery；Movable block is set with hinged axis body；
When three-stage groups of springs moves up and down, the length that metal strip stretches into self-lubricating ring is driven to change, and then drive driving
Bar moves up and down, and driving runner surrounds central axis, makes connecting rod drive hinged axis body to move left and right, movable block moves to a left side therewith
During side can started by press liquid ball output switching valve body, make a lubricating fluid sphere be exported out of lubricating fluid ball storage bin；
The lower part of the self-lubricating ring sets rubber conveying pipeline, the upper end unicom discharge port of the rubber conveying pipeline, rubber conveying
The lower part of the lower end unicom spring cavity of pipe；The lubricating fluid sphere can be along the bolt for entering spring cavity lower part by rubber conveying pipeline
Chamber；When caging bolt moves up and down, outsourcing film can be racked, makes lubricating fluid enter in spring cavity.
4. a kind of pneumatic loading machine described in accordance with the claim 3 manipulates valve, it is characterised in that：In three-stage groups of springs outsourcing
Wrap up in fiber cover body, when caging bolt racks outsourcing film, lubricating fluid can along by fiber cover body throughout whole three-stage spring
The outer surface of group, outsourcing film is isolated in outside fiber cover body, and can be discharged from bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711485737.7A CN107940031A (en) | 2017-12-30 | 2017-12-30 | A kind of pneumatic loading machine manipulates valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711485737.7A CN107940031A (en) | 2017-12-30 | 2017-12-30 | A kind of pneumatic loading machine manipulates valve |
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| Publication Number | Publication Date |
|---|---|
| CN107940031A true CN107940031A (en) | 2018-04-20 |
Family
ID=61937078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711485737.7A Pending CN107940031A (en) | 2017-12-30 | 2017-12-30 | A kind of pneumatic loading machine manipulates valve |
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| Country | Link |
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| CN (1) | CN107940031A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110195727A (en) * | 2019-07-09 | 2019-09-03 | 玉环奕友电子有限公司 | It is a kind of for executing the pull rod air valve switch of pneumatic element |
| CN110307358A (en) * | 2019-04-29 | 2019-10-08 | 杭州电子科技大学 | A kind of two-dimensions primary and secondary compensation spray rotation reversal valve |
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