CN107059803B - A kind of speed closes machine - Google Patents
A kind of speed closes machine Download PDFInfo
- Publication number
- CN107059803B CN107059803B CN201710331022.XA CN201710331022A CN107059803B CN 107059803 B CN107059803 B CN 107059803B CN 201710331022 A CN201710331022 A CN 201710331022A CN 107059803 B CN107059803 B CN 107059803B
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- China
- Prior art keywords
- electromagnetic brake
- gear
- axis body
- jaw
- swivel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
Abstract
A kind of speed closes machine.A kind of delicate structure is provided, response is fast, performance is stablized, and the speed of reliable in action closes machine.Including electric operator, the lower section of the electric operator is equipped with main shaft, the main shaft is successively arranged jaw clutch, bevel gear set, electromagnetic brake, gear drive and centrifugal speed limiter from top to bottom, the electric operator connects the quiet portion of jaw clutch by three-jaw shaft coupling one, the dynamic portion of jaw clutch, bevel gear set, electromagnetic brake quiet portion be sequentially connected the upper axis body of main shaft, dynamic portion, gear drive and the centrifugal speed limiter of electromagnetic brake are sequentially connected the lower axis body of main shaft；The gear drive includes main roller gear, from roller gear and screw rod screw pair, and the screw rod screw pair includes feed screw nut and screw rod, and the top of the screw rod is equipped with buffer, bottom connects gate.Structure of the invention is reasonable, and it is fast to close speed, and performance is stablized, easy to operate.
Description
Technical field
The present invention relates to gate control mechanisms more particularly to a kind of speed to close machine.
Background technique
Common gate and headstock gear is generally used in the water process such as the pumping plant of pipe network or water treatment plant or hydraulic engineering
On structures, the circulation of water flow is controlled.It is in actual use, double although being generally used dual power supply design in engineering
The corresponding time of power supply can not meet security needs.The generation of the accidents such as water impact, reverse irrigation in order to prevent, at present at these
Critical critical point generally can all install speed and close headstock gear, in order in the case where power failure or manual operation, cut off water rapidly
Stream guarantees subsequent technique, equipment and the safety of personnel.
Currently, it is domestic speed close that machine quantity is more, and structure is substantially similar, but working performance and stability need into one
Step improves；It has the following problems：When power is off, gravity holdback clutch is usually relied on, realizes closing gate, stability is poor；
It is rigidly connected between each part, by main shaft single action, realizes the opening and closing of gate, it is difficult to form axial displacement.
Summary of the invention
The present invention is in view of the above problems, provide a kind of delicate structure, and response is fast, performance is stablized, and the speed of reliable in action is closed
Machine.
The technical scheme is that：Including electric operator, the lower section of the electric operator is equipped with main shaft, institute
It states main shaft and is successively arranged jaw clutch, bevel gear set, electromagnetic brake, gear drive and centrifugation speed limit from top to bottom
Device,
The electric operator connects the quiet portion of jaw clutch by three-jaw shaft coupling one, jaw clutch
Dynamic portion, bevel gear set, electromagnetic brake quiet portion be sequentially connected the upper axis body of main shaft, the dynamic portion of electromagnetic brake, gear drive
Mechanism and centrifugal speed limiter are sequentially connected the lower axis body of main shaft；
The gear drive includes main roller gear, from roller gear and screw rod screw pair, and the lower axis body is located at
In main roller gear, the screw rod screw pair is located at out of roller gear, the main roller gear and is meshed from roller gear,
The screw rod screw pair includes feed screw nut and screw rod, and feed screw nut's fixation is located at out of roller gear, the screw rod position
In in feed screw nut, the top of the screw rod is equipped with buffer, bottom connects gate.
The jaw clutch is located in upper box, and the upper box is in n shape, the Jing Bubao of the jaw clutch
Swivel, coil, swivel dental inlay, shell and fixing seat one are included, the connection of three-jaw shaft coupling one swivel, the shell, which is set in, to be turned
On body, the shell is connected with fixing seat one, and upper box and electric operator is bolted in the fixing seat one, described
Coil is located between swivel and shell, and the swivel dental inlay connects the swivel；
The dynamic portion of the jaw clutch includes dental inlay outer ring, reed, ring gear and fixing seat two, the fixing seat two
Ring gear is bolted in axis body in connection, the fixing seat two, and the dental inlay outer ring is set on ring gear, the dental inlay
Outer ring and ring gear are meshed, and the reed is located between dental inlay outer ring and ring gear.
The bevel gear set is located in lower box, and the upper box is connected with lower box, and the lower box is H-shaped, institute
The middle part for stating lower box is equipped with through-hole, and the upper axis body is connected in through-hole by linear bearing；
The bevel gear set is located at interior including cone pinion, large bevel gear, screw pair and the support ring suitable for reading of lower box,
The cone pinion is located at the side of lower box, and the screw pair is located in large bevel gear, and the screw pair includes swivel nut and spiral shell
Mother, the nut fixation are located in large bevel gear, and the swivel nut is located in nut, and the swivel nut is set on linear bearing, institute
Support ring is stated between dental inlay outer ring and swivel nut.
The electromagnetic brake is located in the lower mouth of lower box, and the dynamic portion of the electromagnetic brake is located at electromagnetic brake
Above quiet portion, the upper axis body is connected in the inner hole in the dynamic portion of electromagnetic brake and protrudes into the interior of the quiet portion of electromagnetic brake
Hole, the bottom of the upper axis body connect three-jaw shaft coupling two, and the top of the lower axis body connects three-jaw shaft coupling three,
The quiet portion fixation of the electromagnetic brake is located on housing plate.
The gear drive is located in cabinet assembly, and the housing plate fixation is located on cabinet assembly.
The centrifugal speed limiter includes turntable and several limited blocks, and several limited blocks in a ring, are laid in cabinet assembly
Bottom surface, the turntable is located at the bottom of lower axis body, several fixed blocks is laid on the turntable, and the fixed block is equipped with
The sliding block being slidably connected, the sliding block are corresponded with limited block and are connect by contact of incline plane.
The buffer includes piston rod, piston and cylinder barrel, and one end of the piston rod is fixedly connected with screw rod, and the other end connects
It takes over a job plug, the piston rod protrudes into cylinder barrel, and the piston is located in cylinder barrel, and the piston is equipped with exhaust cap, and the cylinder barrel is set
On the top of cabinet assembly.
It further include dust cover, the dust cover is connected between cabinet assembly and cylinder barrel, and the piston rod is located at dust cover
It is interior.
It further include tension spring, the tension spring is separately connected cylinder barrel and cabinet assembly.
Steel ball is equipped between the three-jaw shaft coupling two and three-jaw shaft coupling three.
The present invention includes electric operator, jaw clutch, bevel gear set, electromagnetic brake, gear drive
And centrifugal speed limiter, bevel gear set is set between jaw clutch and electromagnetic brake, it is slideably using bearing, convenient
Flashlight handover operation, spiral shell of the cone pinion by driving the screw pair movement on large bevel gear, in screw pair in bevel gear set
Set is acted by support ring band dynamic interlocking teeth outer ring, so that jaw clutch engages；Meanwhile under the action of reed, it can be achieved that
Jaw clutch disengagement movement；
When electric operator is manually or electrically worked by handle switching, bevel gear set replaces different movement shapes
Formula.
When electromagnetic brake acts, the quiet portion of electromagnetic brake is attracted the dynamic portion of electromagnetic brake, so that jaw clutch
Device disengages, so that gate has reliable off-position；
Centrifugal speed limiter uses adjustable speed pattern, convenient for the adjustment between different size；
Buffer pulls cylinder barrel inner piston by piston rod, changes in the past by method in place of being self-possessed, movement is more stable can
It leans on.
Structure of the invention is reasonable, and it is fast to close speed, and performance is stablized, easy to operate.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention,
Fig. 2 is the structural schematic diagram in the quiet portion of electromagnetic brake in the present invention,
Fig. 3 is the structural schematic diagram in the dynamic portion of electromagnetic brake in the present invention,
Fig. 4 is the structural schematic diagram of electromagnetic brake,
Fig. 5 is the schematic diagram of internal structure of three-jaw shaft coupling two and three-jaw shaft coupling three；
1 is electric operator in figure, and 2 be main shaft, and 21 be upper axis body, and 22 be lower axis body,
3 be jaw clutch, and 31 be the quiet portion of jaw clutch, and 311 be swivel, and 312 be coil, and 313 be swivel
Dental inlay, 314 be shell, and 315 be fixing seat one,
32 be the dynamic portion of jaw clutch, and 321 be dental inlay outer ring, and 322 be reed, and 323 be ring gear, and 324 be fixed
Seat two,
4 be bevel gear set, and 41 be cone pinion, and 42 be large bevel gear, and 43 be screw pair, and 431 be swivel nut, and 432 be nut,
44 be support ring,
5 be electromagnetic brake, and 51 be the dynamic portion of electromagnetic brake, and 52 be the quiet portion of electromagnetic brake,
6 be gear drive, and 61 be main roller gear, and 62 be from roller gear, and 63 be screw rod screw pair, and 631 be silk
Stem nut, 632 be screw rod,
7 be centrifugal speed limiter, and 71 be turntable, and 72 be limited block, and 73 be fixed block, and 74 be sliding block,
8 be buffer, and 81 be piston rod, and 82 be piston, and 83 be cylinder barrel, and 84 be exhaust cap, and 85 be dust cover, and 86 be to draw
Spring,
9 be three-jaw shaft coupling one, and 10 be upper box, and 11 be lower box, and 12 be housing plate, and 13 be cabinet assembly, and 14 are
Three-jaw shaft coupling two, 15 be three-jaw shaft coupling three, and 16 be handwheel, and 17 be linear bearing, and 18 be steel ball.
Specific embodiment
The present invention is as shown in Figs. 1-5, including electric operator 1, and 1 lower section of the electric operator is equipped with main shaft 2,
The main shaft be successively arranged from top to bottom jaw clutch 3, bevel gear set 4, electromagnetic brake 5, gear drive 6 and from
Heart limiter of speed 7,
The electric operator 1 connects the quiet portion 31 of jaw clutch, jaw clutch by three-jaw shaft coupling 1
The dynamic portion 32 of device, bevel gear set 4, electromagnetic brake quiet portion 52 be sequentially connected the upper axis body 21 of main shaft, electromagnetic brake it is dynamic
Portion 51, gear drive 6 and centrifugal speed limiter 7 are sequentially connected the lower axis body 22 of main shaft；
The gear drive 6 includes main roller gear 61, from roller gear 62 and screw rod screw pair 63, the lower axle
Body 22 is located in main roller gear 61, and the screw rod screw pair 63 is located at out of roller gear 62, main 61 He of roller gear
It is meshed from roller gear 62, the screw rod screw pair 63 includes feed screw nut 631 and screw rod 632, and the feed screw nut 631 is solid
Surely be located at out of roller gear 62, the screw rod 632 is located in feed screw nut 631, the top of the screw rod be equipped with buffer 8,
Bottom connects gate.
The present invention provides power at work, by electric operator, and electric operator is equipped with handle, can be switched
Operated manually or electrically, when manual operation, by shaking handwheel 16.
When jaw clutch meshing state, electric operator movement drives main shaft drive gear transmission mechanism by lock
Door is opened；When disengaged condition, closing gate；
Electromagnetic brake acts after gate opening, so that jaw clutch disengages, so that braking is reliable；It is closed to gate
When closing, electromagnetic brake power loss；
Centrifugal speed limiter can control decrease speed；Buffer can effectively prevent freely falling body impact；
Bevel gear set makes under power blackout situation, and jaw clutch generates the effect for being powered and powering off.
The present invention at work, jaw clutch, electromagnetic brake be reliably achieved axis body axial movement and
Homing action, delicate structure have reliable off-position, actuating range.
The jaw clutch 3 is located in upper box 10, and the upper box 10 is in n shape, the jaw clutch
Quiet portion 31 includes swivel 311, coil 312, swivel dental inlay 313, shell 314 and fixing seat 1, the three-jaw shaft coupling 1
Connection swivel 311, the shell 314 is set on swivel, and the shell 314 is connected with fixing seat 1, the fixing seat one
315 are bolted upper box and electric operator, and the coil 312 is located between swivel and shell, the swivel tooth
The embedding 313 connection swivel；
The dynamic portion 32 of the jaw clutch includes dental inlay outer ring 321, reed 322, ring gear 323 and fixing seat two
324, the fixing seat 2 324 connects upper axis body 21, and ring gear 323, the dental inlay is bolted in the fixing seat 2 324
Outer ring 321 is set on ring gear 323, and the dental inlay outer ring and ring gear are meshed, can axis between dental inlay outer ring and ring gear
To movement；The reed is located between dental inlay outer ring and ring gear, plays the two reset response.
Jaw clutch point dynamic and static two part, when energization, dynamic and static two part be attracted be coupled it is integral, thus transmission force
Square, at this point, dental inlay outer ring and swivel dental inlay engagement action, at this point, electric operator drives swivel by three-jaw shaft coupling one,
Swivel drives swivel dental inlay, and swivel dental inlay band dynamic interlocking teeth outer ring, since dental inlay outer ring and ring gear are engaged, ring gear is fixed on
In reservation two, fixing seat two and then the upper axis body movement of drive；
When power-off, dynamic and static two part loses suction, and under the action of reed, swivel dental inlay band dynamic interlocking teeth outer ring is separated, tooth
Embedded-type clutch disengages.
The bevel gear set 4 is located in lower box 11, and the upper box 10 is connected with lower box 11, and the lower box is in
H-shaped, the middle part of the lower box are equipped with through-hole, and the upper axis body 21 is connected in through-hole by linear bearing 17, so that upper axis
Body can in linear bearing axial float；
The bevel gear set 4 is located at interior including cone pinion 41, large bevel gear 42,43 and of screw pair suitable for reading of lower box
Support ring 44, the cone pinion 41 are located at the side of lower box, and the screw pair 43 is located in large bevel gear, the screw pair
43 include swivel nut 431 and nut 432, and the nut fixation is located in large bevel gear, and the swivel nut is located in nut, the swivel nut
It is set on linear bearing, the support ring 44 is between dental inlay outer ring and swivel nut.
At work, large bevel gear is rotatable, without axial float, and cone pinion overall structure is loaded on lower box for bevel gear set
It is interior, screw pair rotation is driven when large bevel gear rotation, generates axial displacement, thus support ring 44 is made to generate play, to make
Jaw clutch generates the effect for being powered and powering off.
The electromagnetic brake 5 is located in the lower mouth of lower box 11, and the dynamic portion 51 of the electromagnetic brake is located at electromagnetic system
52 top of quiet portion of dynamic device, the upper axis body 21 are connected in the inner hole in the dynamic portion of electromagnetic brake and protrude into electromagnetic brake
Quiet portion inner hole, the bottom of the upper axis body connects three-jaw shaft coupling 2 14, and the top of the lower axis body connects three-jaw shaft coupling
Device 3 15 engages between three-jaw shaft coupling two and three-jaw shaft coupling three；
The fixation of quiet portion 52 of the electromagnetic brake is located on housing plate 12.
Since the structure type of main shaft is split type（It is i.e. disconnected in two three-jaw shaft coupling punishment）, the quiet portion of electromagnetic brake
I.e. lower part is equipped with coil and dynamic portion, that is, top and is equipped with friction iron, is inner hole among the two, and in work, three-jaw shaft coupling three is shaftless
To play, three-jaw shaft coupling two has play with axis, and the two is attracted by electromagnetism, separates by reed 322.
Under motoring condition, when jaw clutch joggleword, after gate is risen, electromagnetic brake is attracted, by dental inlay
Formula throw-out-of clutch plays reliable braking.Wherein, when actuation, axis body drives ring gear by fixing seat two in drive, so that spring
Piece stretches；At this moment, by electromagnetic brake, three-jaw shaft coupling two and three-jaw shaft coupling three are attracted by pressure；
When closing gate, electromagnetic brake power-off, under the effect of reed 322, the dynamic portion and quiet portion of electromagnetic brake are separated.
The gear drive 6 is located in cabinet assembly 13, and the fixation of housing plate 12 is located on cabinet assembly.Case
Body assembly is that speed closes owner's body portion, is responsible for all components of bearing and torque transmitting.
The centrifugal speed limiter 7 include turntable 71 and several limited blocks 72, several limited blocks in a ring, be laid in cabinet
The bottom surface of assembly, the turntable 71 are located at the bottom of lower axis body 22, and several fixed blocks 73 are laid on the turntable 71, described
Fixed block is equipped with the sliding block 74 being slidably connected, and the sliding block and fixed block are equipped with corresponding slide opening, are equipped in the sliding block
Abaculus can slide so that sliding block is under the influence of centrifugal force；
The sliding block is corresponded with limited block and is connect by contact of incline plane.Using inclined rubbing surface, pass through change
The size of the arm of force, to realize that speed is adjustable.
Centrifugal speed limiter after revolving speed is more than certain value, plays braking action loaded on lower axis body, thus realize reduction of speed,
Compared with traditional centrifugal speed limiter, the main distinction is torque（Speed）It is adjustable, it is ensured that be suitble to the needs of different size.
The buffer 8 includes piston rod 81, piston 82 and cylinder barrel 83, and one end of the piston rod 81 is fixedly connected with screw rod
632, the other end connects piston 81, and the piston rod 81 protrudes into cylinder barrel, and the piston is located in cylinder barrel, and the piston is equipped with row
Gas cap 84, the cylinder barrel 83 are located at the top of cabinet assembly.
Buffer is fixed on the upper end of lead screw, and after gate is promoted in place, piston rod should be at stretching state, otherwise should locate
In compressive state, traditional buffer realizes stretching state by self weight, often performance less stable, and the present invention, which carries out, to be forced to pull
In place.
It further include dust cover 85, the dust cover 85 is connected between cabinet assembly and cylinder barrel, and the piston rod 81 is located at
In dust cover；Play dustproof effect.
It further include tension spring 86, the tension spring 86 is separately connected cylinder barrel 83 and cabinet assembly 13, the effect reliably pulled is played,
Meanwhile avoiding generating hard draw phenomenon because of range error, motion stability is reliable, effectively solves the phenomenon unstable by gravity reduction.
When screw rod rises, tension spring is arranged in cylinder barrel and piston rise movement, so that cylinder barrel downward actuation, at this point, piston position
Reliable action of giving is played when convenient for screw rod decline in the top of cylinder barrel.
As shown in figure 5, being equipped with steel ball 18 between the three-jaw shaft coupling 2 14 and three-jaw shaft coupling 3 15；Steel ball is set,
So that facilitating sliding between three-jaw shaft coupling two and three-jaw shaft coupling three, laborsaving, sliding is reliably.
The course of work of the invention is：
1, manual work：
When needing to open gate：（1）It operates electric operator and switches handle（It switches to manually）；（2）Shake cone tooth
Wheel group makes jaw clutch be in meshing state；（3）The handwheel on electric operator is shaken, gate is risen into highest point
（Opening state）
When needing closed shutter：（1）Bevel gear set is shaken, jaw clutch is made to be in disengaged condition；（2）Gate is first
Fast after slow to fall, after reaching certain speed, centrifugal speed limiter work becomes faster again after slowing down gate falling speed, final plant closure.
2, electronic work：
When needing to open gate：（1）It operates electric operator and switches handle（It switches to electronic）；（2）Shake cone tooth
Wheel group makes jaw clutch be in disengaged condition；（3）Start button is pressed, jaw clutch is made to be in meshing state, electricity
Dynamic executing agency's movement, is in a fully open position gate, and after movement, electromagnetic brake movement makes jaw clutch
Device is in disengaged condition, and braking is controlled by electromagnetic brake.
When needing closed shutter：（1）The unexpected power loss of electromagnetic brake；（2）It is fast after gate is first slow to fall, reach a constant speed
After degree, centrifugal speed limiter work becomes faster again after slowing down gate falling speed, before final plant closure in an instant, buffer work
Make, closes gate safely in place.
The invention has the advantages that：
1, structurally reasonable, it is fast to close speed, and performance is stablized, easy to operate, can substitute existing speed and close headstock gear, opening and closing
Machine；
2, jaw clutch and electromagnetic brake coordination, efficiently solve the problems, such as axial float；
3, centrifugal speed limiter realizes the adjustable performance of revolving speed, and it is wider to be allowed to purposes；
4, buffer is using pressure pulling form, it is ensured that acts every time in place.
Claims (10)
1. a kind of speed closes machine, which is characterized in that including electric operator, the lower section of the electric operator is equipped with main shaft,
The main shaft is successively arranged jaw clutch, bevel gear set, electromagnetic brake, gear drive and centrifugation limit from top to bottom
Fast device,
The electric operator connects the quiet portion of jaw clutch by three-jaw shaft coupling one, and jaw clutch moves
Portion, bevel gear set, electromagnetic brake quiet portion be sequentially connected the upper axis body of main shaft, the dynamic portion of electromagnetic brake, gear drive machine
Structure and centrifugal speed limiter are sequentially connected the lower axis body of main shaft；
The gear drive includes main roller gear, from roller gear and screw rod screw pair, and the lower axis body is located at main circle
In stud wheel, the screw rod screw pair is located at out of roller gear, the main roller gear and is meshed from roller gear, described
Screw rod screw pair includes feed screw nut and screw rod, and feed screw nut's fixation is located at out of roller gear, and the screw rod is located at silk
In stem nut, the top of the screw rod is equipped with buffer, bottom connects gate.
2. a kind of speed according to claim 1 closes machine, which is characterized in that the jaw clutch is located in upper box,
The upper box is in n shape, and the quiet portion of the jaw clutch includes swivel, coil, turns dental inlay, shell and fixing seat one,
The connection of three-jaw shaft coupling one swivel, the shell are set on swivel, and the shell is connected with fixing seat one, the fixation
Upper box and electric operator is bolted in seat one, and the coil is located between swivel and shell, the swivel dental inlay
Connect the swivel；
The dynamic portion of the jaw clutch includes dental inlay outer ring, reed, ring gear and fixing seat two, and the fixing seat two connects
Ring gear is bolted in upper axis body, the fixing seat two, and the dental inlay outer ring is set on ring gear, the dental inlay outer ring
It is meshed with ring gear, the reed is located between dental inlay outer ring and ring gear.
3. a kind of speed according to claim 2 closes machine, which is characterized in that the bevel gear set is located in lower box, described
Upper box is connected with lower box, and the lower box is H-shaped, and the middle part of the lower box is equipped with through-hole, and the upper axis body passes through
Linear bearing is connected in through-hole；
The bevel gear set is located at interior including cone pinion, large bevel gear, screw pair and the support ring suitable for reading of lower box, described
Cone pinion is located at the side of lower box, and the screw pair is located in large bevel gear, and the screw pair includes swivel nut and nut, institute
It states nut fixation to be located in large bevel gear, the swivel nut is located in nut, and the swivel nut is set on linear bearing, the bearing
Circle is between dental inlay outer ring and swivel nut.
4. a kind of speed according to claim 3 closes machine, which is characterized in that the electromagnetic brake is located at the lower mouth of lower box
Interior, the dynamic portion of the electromagnetic brake is located above the quiet portion of electromagnetic brake, and the upper axis body is connected to electromagnetic brake
The inner hole in dynamic portion is interior and protrudes into the inner hole in the quiet portion of electromagnetic brake, and the bottom of the upper axis body connects three-jaw shaft coupling two, institute
The top connection three-jaw shaft coupling three of lower axis body is stated,
The quiet portion fixation of the electromagnetic brake is located on housing plate.
5. a kind of speed according to claim 4 closes machine, which is characterized in that the gear drive is located at cabinet assembly
Interior, the housing plate fixation is located on cabinet assembly.
6. a kind of speed according to claim 5 closes machine, which is characterized in that the centrifugal speed limiter includes turntable and several limits
Position block, several limited blocks in a ring, are laid in the bottom surface of cabinet assembly, and the turntable is located at the bottom of lower axis body, and described turn
Several fixed blocks are laid on disk, the fixed block is equipped with the sliding block being slidably connected, and the sliding block and limited block one are a pair of
It answers and is connected by contact of incline plane.
7. a kind of speed according to claim 5 closes machine, which is characterized in that the buffer includes piston rod, piston and cylinder
Cylinder, one end of the piston rod are fixedly connected with screw rod, and the other end connects piston, and the piston rod protrudes into cylinder barrel, the piston position
In in cylinder barrel, the piston is equipped with exhaust cap, and the cylinder barrel is located at the top of cabinet assembly.
8. a kind of speed according to claim 7 closes machine, which is characterized in that further include dust cover, the dust cover is connected to
Between cabinet assembly and cylinder barrel, the piston rod is located in dust cover.
9. a kind of speed according to claim 8 closes machine, which is characterized in that further include tension spring, the tension spring is separately connected cylinder
Cylinder and cabinet assembly.
10. a kind of speed according to claim 4 closes machine, which is characterized in that the three-jaw shaft coupling two and three-jaw shaft coupling
Steel ball is equipped between three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710331022.XA CN107059803B (en) | 2017-05-11 | 2017-05-11 | A kind of speed closes machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710331022.XA CN107059803B (en) | 2017-05-11 | 2017-05-11 | A kind of speed closes machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107059803A CN107059803A (en) | 2017-08-18 |
| CN107059803B true CN107059803B (en) | 2018-11-16 |
Family
ID=59596897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710331022.XA Active CN107059803B (en) | 2017-05-11 | 2017-05-11 | A kind of speed closes machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107059803B (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2640659B2 (en) * | 1987-11-10 | 1997-08-13 | 株式会社表鉄工所 | Water gate switchgear |
| CN202718072U (en) * | 2012-06-04 | 2013-02-06 | 深圳百利二通机械有限公司 | Gravity type quick closing gate hoist |
-
2017
- 2017-05-11 CN CN201710331022.XA patent/CN107059803B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107059803A (en) | 2017-08-18 |
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Effective date of registration: 20180930 Address after: 225200 Zhenwu Town Industrial Park, Jiangdu District, Yangzhou, Jiangsu (No. 8 Yingbin Avenue) Applicant after: Jiangsu Ocean Environmental Protection Engineering Co., Ltd. Address before: 225200 Room 802, 12 fairs court, Jianghuai Road, Jiangdu District, Yangzhou, Jiangsu Applicant before: Xu Naidong |
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