CN109230625B - Use method of linkage type blanking valve - Google Patents

Use method of linkage type blanking valve Download PDF

Info

Publication number
CN109230625B
CN109230625B CN201810915220.5A CN201810915220A CN109230625B CN 109230625 B CN109230625 B CN 109230625B CN 201810915220 A CN201810915220 A CN 201810915220A CN 109230625 B CN109230625 B CN 109230625B
Authority
CN
China
Prior art keywords
cylinder
conical disc
rotate
disc
blanking
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.)
Active
Application number
CN201810915220.5A
Other languages
Chinese (zh)
Other versions
CN109230625A (en
Inventor
杜荣华
孟灿
谌海霞
何云
邱刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changsha University of Science and Technology
Original Assignee
Changsha University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changsha University of Science and Technology filed Critical Changsha University of Science and Technology
Priority to CN201810915220.5A priority Critical patent/CN109230625B/en
Publication of CN109230625A publication Critical patent/CN109230625A/en
Application granted granted Critical
Publication of CN109230625B publication Critical patent/CN109230625B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00Loading or unloading
    • B65G65/30Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/34Emptying devices
    • B65G65/40Devices for emptying otherwise than from the top
    • B65G65/48Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Sliding Valves (AREA)

Abstract

A use method of a linkage type blanking valve comprises the following working methods: step one, the conical disc and the partition plate are in a closed state, the servo motor is enabled to rotate, the wheel disc is driven to rotate, the small head of the wheel disc is lifted, the support rod is driven to rotate, and the conical disc is enabled to be opened; meanwhile, the conical disc pushes the two telescopic rods to rotate along the ring groove for storage; step two, after a certain amount of blanking, enabling the servo motor to rotate reversely, closing the conical disc, simultaneously pulling the two telescopic rods to rotate along the annular grooves by the conical disc, combing the materials by the comb teeth on the conical disc, and continuously rotating the telescopic rods for a certain distance under the action of inertia after the conical disc is closed; step three, enabling the air cylinder to move, driving the piston rod to move, driving each blade to open through a short connecting rod, and controlling blanking according to the opening degree and the opening time of each blade; and step four, enabling the air cylinder to move reversely to close the blade.

Description

Use method of linkage type blanking valve
Technical Field
The invention relates to the field related to medium conveying control, in particular to a using method of a linkage type blanking valve.
Background
In the conveying process of various materials, a discharge valve and a blanking valve are common terminal links; related materials are different, and the related materials probably comprise minerals, sand and soil, grains and the like, and the blanking requirements of various materials are different.
In actual use, the existing blanking valve and the existing discharging valve have the following problems: 1. the blanking valve in the prior art has single function or independent functions, usually occupies larger space, and improves the production and installation cost.
2. The blanking valve in the prior art is limited by an installation space, and is difficult to realize the functions of uniform mixing and stirring, so that the mixing degree of each sample material in final forming is different.
3. The blanking valve in the prior art is difficult to realize the function of accurately controlling the blanking amount in the discharging process, and cannot meet the requirement of modern blanking.
4. The blanking valve in the prior art is difficult to realize non-detachable adjustment after the installation is completed and the structure is fixed, so that the blanking is uneven and is difficult to adapt to different working conditions.
5. In the blanking valve in the prior art, an external driving device is used as an auxiliary component, so that the blanking valve is high in fixation or cost or poor in stability.
6. In the blanking valve in the prior art, materials are easy to accumulate on the valve plate, the sealing performance is not enough, the sealing performance is improved after parts such as sealing rings are adopted, and the material accumulation is further aggravated.
Disclosure of Invention
In order to overcome the above problems, the present invention proposes a solution to solve the above problems simultaneously.
The technical scheme adopted by the invention for solving the technical problems is as follows: a use method of a linkage type blanking valve comprises a barrel, a partition plate, a spring, a wheel disc, a support rod, a flange, a straight barrel, a barrel shoulder, an air cylinder, a discharge port, a blade plate, comb teeth, a telescopic rod, a fulcrum, a conical disc, a damping ring, a servo motor, a support, a hoop, a rotating ring and a bulge; the using method comprises a working method and an adjusting method.
A cylinder shoulder is arranged above the cylinder body, the middle part of the cylinder shoulder extends upwards to form a straight cylinder, a flange is arranged above the straight cylinder, one part of the straight cylinder extends downwards from the horizontal line of the cylinder shoulder to form an inclined opening and closing opening, the conical disc closes or opens the opening and closing opening, a support rod is arranged above the left side of the conical disc, a fulcrum is arranged at the junction of the cylinder shoulder and the straight cylinder, and the support rod drives the conical disc to rotate through the fulcrum to open and close the opening and closing opening; the supporting rod is driven by the wheel disc, one end of the wheel disc is large, the other end of the wheel disc is small, the large end of the wheel disc is connected with a driving shaft of the servo motor, the small end of the wheel disc is connected with the supporting rod, and the servo motor outputs power through the driving shaft; the driving shaft is arranged on the bracket, the bracket is provided with a groove, the driving shaft is placed on the groove, the hoop fixes the driving shaft on the bracket, and the hoop is fixed on the bracket by a screw; the spring is arranged between the small head of the wheel disc and the cylinder shoulder to reduce vibration in rotation, the damping ring is arranged on the edge of the conical disc, and the lower end of the section of the damping ring is thick and the upper end of the section of the damping ring is thin.
The telescopic rod is connected to the lower part of one end, far away from the supporting rod, of the conical disc and consists of at least two sections of branch rods, comb teeth are arranged below the telescopic rod, a ball head is arranged at the tail end below the telescopic rod, an annular groove is formed in the barrel body, the ball head is clamped in the annular groove and can move along the annular groove, the number of the telescopic rods is two, and when the conical disc swings, the two telescopic rods are pulled or pushed to move along the annular groove, so that the comb teeth comb materials; the cylinder body below the ring groove is provided with the rotating ring, the upper side and the lower side of the rotating ring are provided with protrusions, the butt joint position of the cylinder body is provided with a groove, the protrusions are clamped in the groove, the rotating ring is rotated and can rotate relative to the cylinder body, a partition plate is connected in the rotating ring, a plurality of blades are arranged on the partition plate, the blanking amount is controlled through the opening degree of the blades, short connecting rods are arranged on one sides of the blades and are connected with the same piston rod, and the piston rod is driven by the cylinder to reciprocate; the cylinder extends out of the cylinder body, a handle sleeve is wrapped outside the cylinder body so as to be convenient to hold by hands, and the cylinder is rotated by holding by hands so as to rotate the rotating ring; the interval between every two blades is different, and the areas of the blades are not uniform; a discharge hole is arranged below the clapboard.
The working method comprises the following steps: step one, the conical disc and the partition plate are in a closed state, the servo motor is enabled to rotate, the wheel disc is driven to rotate, the small head of the wheel disc is lifted, the support rod is driven to rotate, and the conical disc is enabled to be opened; meanwhile, the conical disc pushes the two telescopic rods to rotate along the ring groove for storage; step two, after a certain amount of blanking, enabling the servo motor to rotate reversely, closing the conical disc, simultaneously pulling the two telescopic rods to rotate along the annular grooves by the conical disc, combing the materials by the comb teeth on the conical disc, and continuously rotating the telescopic rods for a certain distance under the action of inertia after the conical disc is closed; step three, enabling the air cylinder to move, driving the piston rod to move, driving each blade to open through a short connecting rod, and controlling blanking according to the opening degree and the opening time of each blade; step four, making the cylinder move reversely to close the blade; the adjusting method comprises the following steps: under the working condition of shutdown, a handle sleeve on the air cylinder is held, the air cylinder is rotated to drive a rotating ring connected with the air cylinder to rotate, and then the partition plate and the blade plates on the partition plate are rotated; the blanking area is adjusted after the rotation because the areas of the blades are different.
Preferably, the two blades at two ends are spaced from the adjacent blade by a larger distance than the other adjacent blades.
Preferably, the area of the blades at the two ends is larger than that of the other blades.
Preferably, the telescopic rod comprises a three-segment rod.
Preferably, the rotation angle of the servo motor is plus or minus 30 degrees.
Preferably, the discharge port is provided with a filter screen.
Preferably, the cylinder is connected with a control device.
Preferably, the barrel is provided with an observation window.
Preferably, a speed reducer is further connected between the servo motor and the wheel disc.
Preferably, a pivoting structure is further connected between the support rod and the wheel disc.
The invention has the beneficial effects that: 1. aiming at the 1 st point of the background technology, a single driving source is used, the functions of opening and closing of the blanking valve and stirring and mixing are realized simultaneously, and the driving part, the stirring part, the control part and the cylinder are organically linked.
2. Aiming at the 2 nd point of the background technology, a surrounding type inertia stirring system is used to complete the stirring work.
3. Aiming at the 3 rd point proposed by the background technology, a series of fan plates with adjustable and controllable opening and variable lengths are used for accurately controlling the blanking amount.
4. To the 4 th point that the background art provided, through the design of rotatory ring for the blanking scope is controllable adjustable, is suitable for the demand of different operating modes.
5. Aiming at the 5 th point of the background technology, a stabilizing support and a rotating shaft stabilizing element are adopted for fixing, so that the cost is low, and the stability is strong.
6. To background art 6 th point, adopted the mode that the toper valve plate opened and close, avoided the material to pile up, and the conical disk edge is provided with the damping ring, and the cross-section lower extreme of damping ring is thick, the upper end is thin, has further avoided the material to pile up, has still played the effect of reinforcing sealing performance simultaneously.
Note: the foregoing designs are not sequential, each of which provides a distinct and significant advance in the present invention over the prior art.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is an overall view of a linked blanking valve of the present invention.
Fig. 2 is a schematic view of the driving portion of the present invention.
FIG. 3 is a rotary ring structure of the present invention.
In the figures, the reference numerals are as follows: 1. the device comprises a cylinder body 2, a partition plate 3, a spring 4, a wheel disc 5, a support rod 6, a flange 7, a straight cylinder 8, a cylinder shoulder 9, a cylinder 10, a discharge hole 11, a blade plate 12, comb teeth 13, an expansion link 14, a fulcrum 15, a conical disc 16, a damping ring 17, a servo motor 18, a support 19, a hoop 20, a rotating ring 21 and a bulge.
Detailed Description
As shown in the figure: a use method of a linkage type blanking valve comprises a barrel, a partition plate, a spring, a wheel disc, a support rod, a flange, a straight barrel, a barrel shoulder, an air cylinder, a discharge port, a blade plate, comb teeth, a telescopic rod, a fulcrum, a conical disc, a damping ring, a servo motor, a support, a hoop, a rotating ring and a bulge; the using method comprises a working method and an adjusting method; as shown in the figure: a cylinder shoulder is arranged above the cylinder body, the middle part of the cylinder shoulder extends upwards to form a straight cylinder, a flange is arranged above the straight cylinder, one part of the straight cylinder extends downwards from the horizontal line of the cylinder shoulder to form an inclined opening and closing opening, the conical disc closes or opens the opening and closing opening, a support rod is arranged above the left side of the conical disc, a fulcrum is arranged at the junction of the cylinder shoulder and the straight cylinder, and the support rod drives the conical disc to rotate through the fulcrum to open and close the opening and closing opening; the supporting rod is driven by the wheel disc, one end of the wheel disc is large, the other end of the wheel disc is small, the large end of the wheel disc is connected with a driving shaft of the servo motor, the small end of the wheel disc is connected with the supporting rod, and the servo motor outputs power through the driving shaft; the driving shaft is arranged on the bracket, the bracket is provided with a groove, the driving shaft is placed on the groove, the hoop fixes the driving shaft on the bracket, and the hoop is fixed on the bracket by a screw; the spring is arranged between the small head of the wheel disc and the cylinder shoulder to reduce vibration in rotation, the damping ring is arranged on the edge of the conical disc, and the lower end of the section of the damping ring is thick and the upper end of the section of the damping ring is thin.
As shown in the figure: the telescopic rod is connected to the lower part of one end, far away from the supporting rod, of the conical disc and consists of at least two sections of branch rods, comb teeth are arranged below the telescopic rod, a ball head is arranged at the tail end below the telescopic rod, an annular groove is formed in the barrel body, the ball head is clamped in the annular groove and can move along the annular groove, the number of the telescopic rods is two, and when the conical disc swings, the two telescopic rods are pulled or pushed to move along the annular groove, so that the comb teeth comb materials; the cylinder body below the ring groove is provided with the rotating ring, the upper side and the lower side of the rotating ring are provided with protrusions, the butt joint position of the cylinder body is provided with a groove, the protrusions are clamped in the groove, the rotating ring is rotated and can rotate relative to the cylinder body, a partition plate is connected in the rotating ring, a plurality of blades are arranged on the partition plate, the blanking amount is controlled through the opening degree of the blades, short connecting rods are arranged on one sides of the blades and are connected with the same piston rod, and the piston rod is driven by the cylinder to reciprocate; the cylinder extends out of the cylinder body, a handle sleeve is wrapped outside the cylinder body so as to be convenient to hold by hands, and the cylinder is rotated by holding by hands so as to rotate the rotating ring; the interval between every two blades is different, and the areas of the blades are not uniform; a discharge hole is arranged below the clapboard.
As shown in the figure: the working method comprises the following steps: step one, the conical disc and the partition plate are in a closed state, the servo motor is enabled to rotate, the wheel disc is driven to rotate, the small head of the wheel disc is lifted, the support rod is driven to rotate, and the conical disc is enabled to be opened; meanwhile, the conical disc pushes the two telescopic rods to rotate along the ring groove for storage; step two, after a certain amount of blanking, enabling the servo motor to rotate reversely, closing the conical disc, simultaneously pulling the two telescopic rods to rotate along the annular grooves by the conical disc, combing the materials by the comb teeth on the conical disc, and continuously rotating the telescopic rods for a certain distance under the action of inertia after the conical disc is closed; step three, enabling the air cylinder to move, driving the piston rod to move, driving each blade to open through a short connecting rod, and controlling blanking according to the opening degree and the opening time of each blade; step four, making the cylinder move reversely to close the blade; the adjusting method comprises the following steps: under the working condition of shutdown, a handle sleeve on the air cylinder is held, the air cylinder is rotated to drive a rotating ring connected with the air cylinder to rotate, and then the partition plate and the blade plates on the partition plate are rotated; the blanking area is adjusted after the rotation because the areas of the blades are different.
As shown in the figure: and the two blades at two ends are spaced from the adjacent blades by a larger distance than the other adjacent blades. The area of the blade plates at the two ends is larger than that of the other blade plates. The telescopic rod comprises a three-section rod. The rotation angle of the servo motor is plus or minus 30 degrees. The discharge port is provided with a filter screen. The cylinder is connected with a control device. An observation window is arranged on the cylinder body. And a speed reducer is also connected between the servo motor and the wheel disc. And a pin joint structure is connected between the support rod and the wheel disc.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A use method of a linkage type blanking valve comprises a barrel, a partition plate, a spring, a wheel disc, a support rod, a flange, a straight barrel, a barrel shoulder, an air cylinder, a discharge port, a blade plate, comb teeth, a telescopic rod, a fulcrum, a conical disc, a damping ring, a servo motor, a support, a hoop, a rotating ring and a bulge; the method is characterized in that: the using method comprises a working method and an adjusting method;
a cylinder shoulder is arranged above the cylinder body, the middle part of the cylinder shoulder extends upwards to form a straight cylinder, a flange is arranged above the straight cylinder, one part of the straight cylinder extends downwards from the horizontal line of the cylinder shoulder to form an inclined opening and closing opening, the conical disc closes or opens the opening and closing opening, a support rod is arranged above the left side of the conical disc, a fulcrum is arranged at the junction of the cylinder shoulder and the straight cylinder, and the support rod drives the conical disc to rotate through the fulcrum to open and close the opening and closing opening; the supporting rod is driven by the wheel disc, one end of the wheel disc is large, the other end of the wheel disc is small, the large end of the wheel disc is connected with a driving shaft of the servo motor, the small end of the wheel disc is connected with the supporting rod, and the servo motor outputs power through the driving shaft;
the driving shaft is arranged on the bracket, the bracket is provided with a groove, the driving shaft is placed on the groove, the hoop fixes the driving shaft on the bracket, and the hoop is fixed on the bracket by a screw; the spring is arranged between the small head of the wheel disc and the cylinder shoulder to reduce vibration in rotation, the damping ring is arranged on the edge of the conical disc, and the lower end of the section of the damping ring is thick and the upper end of the section of the damping ring is thin;
the telescopic rod is connected to the lower part of one end, far away from the supporting rod, of the conical disc and consists of at least two sections of branch rods, comb teeth are arranged below the telescopic rod, a ball head is arranged at the tail end below the telescopic rod, an annular groove is formed in the barrel body, the ball head is clamped in the annular groove and can move along the annular groove, the number of the telescopic rods is two, and when the conical disc swings, the two telescopic rods are pulled or pushed to move along the annular groove, so that the comb teeth comb materials;
the rotary ring is arranged on the barrel below the annular groove, protrusions are arranged on the upper side and the lower side of the rotary ring, a groove is formed in the butt joint position of the barrel, the protrusions are clamped in the groove, the rotary ring is rotated and can rotate relative to the barrel, a partition plate is connected in the rotary ring, a plurality of blades are arranged on the partition plate, the blanking amount is controlled through the opening degree of the blades, short connecting rods are arranged on one sides of the blades, all the short connecting rods are connected with the same piston rod, and the piston rod is driven by the cylinder to reciprocate; the cylinder extends out of the cylinder body, a handle sleeve is wrapped outside the cylinder body so as to be convenient to hold by hands, and the cylinder is rotated by holding by hands so as to rotate the rotating ring; the interval between every two blades is different, and the areas of the blades are not uniform; a discharge hole is arranged below the partition plate;
the working method comprises the following steps:
step one, in an initial state, the conical disc and the partition plate are in a closed state, so that the servo motor rotates to drive the wheel disc to rotate, the small head of the wheel disc is lifted, the support rod is driven to rotate, and the conical disc is opened; meanwhile, the conical disc pushes the two telescopic rods to rotate along the ring groove for storage;
step two, after a certain amount of blanking, enabling the servo motor to rotate reversely, closing the conical disc, simultaneously pulling the two telescopic rods to rotate along the annular grooves by the conical disc, combing the materials by the comb teeth on the conical disc, and continuously rotating the telescopic rods for a certain distance under the action of inertia after the conical disc is closed;
step three, enabling the air cylinder to move, driving the piston rod to move, driving each blade to open through a short connecting rod, and controlling blanking according to the opening degree and the opening time of each blade;
step four, making the cylinder move reversely to close the blade;
the adjusting method comprises the following steps: under the working condition of shutdown, a handle sleeve on the air cylinder is held, the air cylinder is rotated to drive a rotating ring connected with the air cylinder to rotate, and then the partition plate and the blade plates on the partition plate are rotated; the blanking area is adjusted after the rotation because the areas of the blades are different.
2. The method of using a linked blanking valve as claimed in claim 1, wherein: and the two blades at two ends are spaced from the adjacent blades by a larger distance than the other adjacent blades.
3. The method of using a linked blanking valve as claimed in claim 1, wherein: the area of the blade plates at the two ends is larger than that of the other blade plates.
4. The method of using a linked blanking valve as claimed in claim 1, wherein: the telescopic rod comprises a three-section rod.
5. The method of using a linked blanking valve as claimed in claim 1, wherein: the rotation angle of the servo motor is plus or minus 30 degrees.
6. The method of using a linked blanking valve as claimed in claim 1, wherein: the discharge port is provided with a filter screen.
7. The method of using a linked blanking valve as claimed in claim 1, wherein: the cylinder is connected with a control device.
8. The method of using a linked blanking valve as claimed in claim 1, wherein: an observation window is arranged on the cylinder body.
9. The method of using a linked blanking valve as claimed in claim 1, wherein: and a speed reducer is also connected between the servo motor and the wheel disc.
10. The method of using a linked blanking valve as claimed in claim 1, wherein: and a pin joint structure is connected between the support rod and the wheel disc.
CN201810915220.5A 2018-08-13 2018-08-13 Use method of linkage type blanking valve Active CN109230625B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810915220.5A CN109230625B (en) 2018-08-13 2018-08-13 Use method of linkage type blanking valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810915220.5A CN109230625B (en) 2018-08-13 2018-08-13 Use method of linkage type blanking valve

Publications (2)

Publication Number Publication Date
CN109230625A CN109230625A (en) 2019-01-18
CN109230625B true CN109230625B (en) 2020-05-05

Family

ID=65070390

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810915220.5A Active CN109230625B (en) 2018-08-13 2018-08-13 Use method of linkage type blanking valve

Country Status (1)

Country Link
CN (1) CN109230625B (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7501896L (en) * 1974-03-22 1975-09-23 Lumoprint Zindler Kg
FR2450761A1 (en) * 1979-03-05 1980-10-03 Haver & Boecker Two speed rotary valve for bulk material - has motor drive and pneumatic cylinder in linkage for quick action (BR 4.11.80)
CN201990195U (en) * 2011-03-10 2011-09-28 陕西铜川铝业有限公司 Star-shaped discharge valve
JP2013053000A (en) * 2011-09-02 2013-03-21 Yoshiaki Shirakata Discharge device of storage tank
CN205500342U (en) * 2016-04-13 2016-08-24 中粮屯河股份有限公司 Leak protection massecuite distributing box
CN106006072B (en) * 2016-07-29 2018-06-19 河南濮润智能机械工程有限公司 Glutinous coal, which is mixed, burns two-way feeding device
CN107902435A (en) * 2017-12-28 2018-04-13 长沙理工大学 A kind of method of work of Double-linkage discharging of conveyor valve

Also Published As

Publication number Publication date
CN109230625A (en) 2019-01-18

Similar Documents

Publication Publication Date Title
CN204841529U (en) Reciprocating type oscillator
CN109081079B (en) Double-layer combined flap valve
CN208979841U (en) A kind of efficient digital cuttings grabbing device
CN103045422B (en) Automatic distillation device
CN103711977A (en) Gas exhaust device for aerostat
CN109230625B (en) Use method of linkage type blanking valve
CN109230624B (en) Linkage type blanking valve
CN109611287A (en) Clamping structure, sharp vehicle and turnover device
CN109081080B (en) Use method of double-layer combined flap valve
CN108506224B (en) A kind of dual channel fan guide vane regulating mechanism
CN208501441U (en) Municipal road construction vibration leveling device
CN105539821A (en) Deformable folding structure of multi-rotor type aircraft
CN107520800A (en) A kind of installation fixture of press-seat butterfly valve seat
CN107396773A (en) A kind of high intellectual city greening wall of the pruning efficiency based on Internet of Things
CN208798346U (en) A kind of agrochemical scattering mechanism
CN208494629U (en) A kind of corrosion-resistant spiral case inside and outside wall spray equipment
CN110302523A (en) Ball serving device and teeing apparatus
CN209510536U (en) Clamping structure, sharp vehicle and turnover device
CN207857210U (en) A kind of micro heat pipe surface spraying device
CN208138160U (en) A kind of dual channel fan guide vane regulating mechanism
CN204043975U (en) A kind of adjustable surely than reduction device
CN207975046U (en) A kind of guide vane regulating mechanism of centrifugal compressor
CN110017685A (en) Rollingscratchboarddrier
CN212449248U (en) Adjustable clamping transmission mechanism
CN106499830B (en) A kind of multiple spot gearing repid cut-off valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant