CN107059803A - A kind of speed closes machine - Google Patents
A kind of speed closes machine Download PDFInfo
- Publication number
- CN107059803A CN107059803A CN201710331022.XA CN201710331022A CN107059803A CN 107059803 A CN107059803 A CN 107059803A CN 201710331022 A CN201710331022 A CN 201710331022A CN 107059803 A CN107059803 A CN 107059803A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic brake
- gear
- swivel
- jaw
- axis body
- 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.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Gear Transmission (AREA)
Abstract
A kind of speed closes machine.There is provided a kind of delicate structure, response is fast, performance is stable, and the speed of reliable in action closes machine.Including electric operator, the lower section of the electric operator is provided with main shaft, the main shaft is sequentially provided with 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, dynamic portion, bevel gear set, the quiet portion of electromagnetic brake of jaw clutch are sequentially connected the upper axis body of main shaft, and 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 mandrel screw pair, and the screw mandrel screw pair includes feed screw nut and screw mandrel, and the top of the screw mandrel is provided with buffer, bottom connection gate.The present invention is rational in infrastructure, closes a speed soon, performance is stable, easy to operate.
Description
Technical field
Machine is closed the present invention relates to gate control mechanism, more particularly to a kind of speed.
Background technology
Common gate and headstock gear is generally used in the water process such as pipe network or the pumping plant of water treatment plant or hydraulic engineering
On structures, the circulation of current is controlled.Although general in engineering all designed using dual power supply, in actual use, double
The corresponding time of power supply can not meet security needs.In order to prevent water impact, the generation of accident such as pour in down a chimney, at present at these
Critical critical point, typically can all install speed and close headstock gear, in order in the case of power failure or manual operation, water is cut off rapidly
Stream, it is ensured that subsequent technique, equipment and the safety of personnel.
At present, it is domestic speed close that machine quantity is more, structure is substantially similar, but service behaviour and stability need into one
Step is improved；There is problems with it：When power is off, gravity holdback clutch is usually relied on, closing gate is realized, stability is poor；
It is rigidly connected between each part, it realizes the keying of gate, it is difficult to form axial displacement by main shaft single action.
The content of the invention
The present invention is for problem above there is provided a kind of delicate structure, and response is fast, performance is stable, 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 provided with main shaft, institute
State main shaft and be sequentially provided with 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 it is dynamic
Portion, bevel gear set, the quiet portion of electromagnetic brake are 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 mandrel screw pair, and the lower axis body is located at main circle
In stud wheel, the screw mandrel screw pair is located at out of roller gear, the main roller gear and is meshed from roller gear, described
Screw mandrel screw pair includes feed screw nut and screw mandrel, and the feed screw nut fixes and is located at out of roller gear, and the screw mandrel is located at silk
In stem nut, the top of the screw mandrel is provided with buffer, bottom connection gate.
The jaw clutch is located in upper box, and the upper box is in n shapes, the Jing Bubao of the jaw clutch
Swivel, coil, swivel dental inlay, shell and fixed seat one are included, the connection of three-jaw shaft coupling one is turned, and the shell, which is set in, to be turned
On body, the shell is connected with fixed seat one, and the fixed seat one is bolted upper box and electric operator, 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 fixed seat two, and the fixed seat two is connected
Upper axis body, the fixed seat two is bolted ring gear, 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.
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 provided with through hole, and the upper axis body is connected in through hole by linear bearing；
The bevel gear set is located at upper intraoral including cone pinion, large bevel gear, screw pair and the support ring 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
State 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 supporting
Circle is located between dental inlay outer ring and swivel nut.
The electromagnetic brake is intraoral under 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 endoporus in the dynamic portion of electromagnetic brake and stretched into the interior of the quiet portion of electromagnetic brake
Hole, the bottom connection three-jaw shaft coupling two of the upper axis body, the top connection three-jaw shaft coupling three of the lower axis body,
The quiet portion of the electromagnetic brake fixes and is located on housing plate.
The gear drive is located in casing assembly, and the housing plate is fixed and is located on casing assembly.
The centrifugal speed limiter includes rotating disk and some limited blocks, and some limited blocks in a ring, are laid in casing assembly
Bottom surface, the rotating disk, which is located on the bottom of lower axis body, the rotating disk, is laid with some fixed blocks, and the fixed block is provided with
The sliding block being slidably connected, the sliding block is corresponded with limited block and is connected 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 mandrel, and the other end connects
Take over a job plug, the piston rod stretches into cylinder barrel, the piston is located in cylinder barrel, and the piston is provided with exhaust cap, and the cylinder barrel is set
On the top of casing assembly.
Also include dust cover, the dust cover is connected between casing assembly and cylinder barrel, the piston rod is located at dust cover
It is interior.
Also include extension spring, the extension spring connects cylinder barrel and casing assembly respectively.
Steel ball is provided 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, convenient using bearing slideably
Cone pinion in torch handover operation, bevel gear set is by driving the screw pair on large bevel gear to act, the spiral shell in screw pair
Set is acted by support ring band dynamic interlocking teeth outer ring so that jaw clutch is engaged；Meanwhile, in the presence of reed, it can be achieved
Jaw clutch disengagement is acted；
When electric operator is manually or electrically worked by handle switching, bevel gear set changes different action forms.
When electromagnetic brake is acted, the dynamic portion of quiet portion's adhesive electromagnetic brake of electromagnetic brake so that jaw clutch
Device is disengaged so that gate has reliable off-position；
Centrifugal speed limiter uses adjustable speed pattern, is easy to the adjustment between different size；
Buffer pulls cylinder barrel inner carrier by piston rod, changes in the past by method in place of conducting oneself with dignity, and acts more stable reliable.
The present invention is rational in infrastructure, closes a speed soon, performance is stable, easy to operate.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention,
Fig. 2 is the structural representation in the quiet portion of electromagnetic brake in the present invention,
Fig. 3 is the structural representation in the dynamic portion of electromagnetic brake in the present invention,
Fig. 4 is the structural representation of electromagnetic brake,
Fig. 5 is the internal structure schematic diagram 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 fixed 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, and 44 are
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 that, from roller gear, 63 be screw mandrel screw pair, and 631 be screw mandrel spiral shell
Mother, 632 be screw mandrel,
7 be centrifugal speed limiter, and 71 be rotating disk, 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 extension 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 casing assembly, and 14 be 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.
Embodiment
As Figure 1-5, including electric operator 1,1 lower section of the electric operator is provided with main shaft 2 to the present invention,
The main shaft be sequentially provided with 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 by three-jaw shaft coupling 1, jaw clutch
Dynamic portion 32, bevel gear set 4, the quiet portion 52 of electromagnetic brake are sequentially connected the upper axis body 21 of main shaft, the dynamic portion 51 of electromagnetic brake,
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 mandrel screw pair 63, the lower axis body 22
It is located in main roller gear 61, the screw mandrel screw pair 63 is located at out of roller gear 62, the main roller gear 61 and from circle
Stud wheel 62 is meshed, and the screw mandrel screw pair 63 includes feed screw nut 631 and screw mandrel 632, and the feed screw nut 631 fixes and set
Out of roller gear 62, the screw mandrel 632 is located in feed screw nut 631, and the top of the screw mandrel is provided with buffer 8, bottom
Connect gate.
The present invention at work, provides power, electric operator is provided with handle, changeable by electric operator
Operated manually or electrically, when manually operated, by shaking handwheel 16.
During jaw clutch engagement, electric operator action drives main shaft drive gear transmission mechanism by lock
Door is opened；During disengaged condition, closing gate；
Electromagnetic brake is acted after gate opening so that jaw clutch is disengaged so that braking is reliable；Treat closing gate
When, electromagnetic brake dead electricity；
Centrifugal speed limiter can control decrease speed；Buffer effectively can prevent freely falling body from impacting；
Bevel gear set make it that under powering-off state jaw clutch produces 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, with reliable off-position, actuating range.
The jaw clutch 3 is located in upper box 10, and the upper box 10 is in n shapes, the jaw clutch
Quiet portion 31 includes swivel 311, coil 312, swivel dental inlay 313, shell 314 and fixed 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 fixed seat 1, the fixed 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 fixed seat 2 324, institute
The upper axis body 21 of the connection of fixed seat 2 324 is stated, the fixed seat 2 324 is bolted ring gear 323, the dental inlay outer ring
321 are set on ring gear 323, and the dental inlay outer ring and ring gear are meshed, and can axially be moved between dental inlay outer ring and ring gear
Make；The reed is located between dental inlay outer ring and ring gear, plays both reset responses.
Dynamic and static two part of jaw clutch point, during energization, the adhesive of dynamic and static two part is coupled integral, so as to transmit power
Square, now, dental inlay outer ring and swivel dental inlay engagement action, now, electric operator is driven by three-jaw shaft coupling one and turned,
Turn and drive swivel dental inlay, swivel dental inlay band dynamic interlocking teeth outer ring, due to dental inlay outer ring and ring gear engagement, ring gear is fixed on
In reservation two, fixed seat two and then the upper axis body action of drive；
During power-off, dynamic and static two part loses suction, in the presence of reed, swivel dental inlay band dynamic interlocking teeth outer ring separation, castellated
Throw-out-of clutch.
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 is provided with through hole, and the upper axis body 21 is connected in through hole by linear bearing 17 so that upper axle
Body can in linear bearing axial float；
The bevel gear set 4 is located at upper intraoral including cone pinion 41, large bevel gear 42, screw pair 43 and the supporting of lower box
Circle 44, the cone pinion 41 is located at the side of lower box, and the screw pair 43 is located in large bevel gear, and the screw pair 43 is wrapped
Swivel nut 431 and nut 432 are included, the nut is fixed and is located in large bevel gear, and the swivel nut is located in nut, and the swivel nut is arranged
On linear bearing, the support ring 44 is located 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 rotates, axial displacement is produced, thus support ring 44 is produced play, so that
Jaw clutch produces the effect for being powered and powering off.
The electromagnetic brake 5 is intraoral under lower box 11, and the dynamic portion 51 of the electromagnetic brake is located at electromagnetic system
The top of quiet portion 52 of dynamic device, the upper axis body 21 is connected in the endoporus in the dynamic portion of electromagnetic brake and stretches into electromagnetic brake
Quiet portion endoporus, the bottom connection three-jaw shaft coupling 2 14 of the upper axis body, the top connection three-jaw shaft coupling of the lower axis body
Device 3 15, is engaged between three-jaw shaft coupling two and three-jaw shaft coupling three；
The quiet portion 52 of the electromagnetic brake fixes and is located on housing plate 12.
Because 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. bottom is top provided with friction iron provided with coil and dynamic portion, is endoporus in the middle of both, in work, three-jaw shaft coupling three is shaftless
To play, three-jaw shaft coupling two has play with axle, and both lean on electromagnetism adhesive, is separated by reed 322.
Under motoring condition, during jaw clutch joggleword, after gate is risen, electromagnetic brake adhesive, by dental inlay
Formula throw-out-of clutch, plays reliable braking.Wherein, during adhesive, axis body drives ring gear by fixed seat two in drive so that spring
Piece is stretched；At this moment, by electromagnetic brake, force three-jaw shaft coupling two and the adhesive of three-jaw shaft coupling three；
During 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 casing assembly 13, and the housing plate 12 is fixed and is located on casing assembly.Case
Body assembly is that speed closes owner's body portion, is responsible for all parts of supporting and torque transmission（Between ball-screw and nut）.
The centrifugal speed limiter 7 include rotating disk 71 and some limited blocks 72, some limited blocks in a ring, be laid in casing
The bottom surface of assembly, the rotating disk 71 is located on the bottom of lower axis body 22, the rotating disk 71 and is laid with some fixed blocks 73, described
Fixed block is provided with the sliding block 74 being slidably connected, and the sliding block and fixed block are provided with corresponding slide opening, the sliding block and be provided with
Abaculus so that sliding block under the influence of centrifugal force, can be slided；
The sliding block is corresponded with limited block and is connected by contact of incline plane.Using inclined rubbing surface, by changing the arm of force
Size, so as to realize that speed is adjustable.
Centrifugal speed limiter after rotating speed exceedes certain value, plays braking action loaded on lower axis body, so that reduction of speed is realized,
Compared with traditional centrifugal speed limiter, the main distinction is torque（Speed）It is adjustable, it is ensured that the need for being adapted to 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 mandrel
632, other end connection piston 81, the piston rod 81 stretches into cylinder barrel, and the piston is located in cylinder barrel, and the piston is provided with row
Gas cap 84, the cylinder barrel 83 is located at the top of casing assembly.
Buffer is fixed on the upper end of leading screw, and after gate is lifted in place, piston rod should be at stretching state, otherwise should locate
In compressive state, traditional buffer realizes stretching state by deadweight, often performance less stable, and the present invention, which is carried out, to be forced to pull
In place.
Also include dust cover 85, the dust cover 85 is connected between casing assembly and cylinder barrel, and the piston rod 81 is located at
In dust cover；Play dustproof effect.
Also include extension spring 86, the extension spring 86 connects cylinder barrel 83 and casing assembly 13, plays the effect reliably pulled respectively,
Simultaneously, it is to avoid because range error produces hard draw phenomenon, having stable behavior is reliable, effectively solves by the unstable phenomenon of gravity reduction.
When screw mandrel rises, cylinder barrel and piston rise action set extension spring so that cylinder barrel downward actuation, now, piston position
In the top of cylinder barrel, when being easy to the screw mandrel to decline, reliable action of giving is played.
As shown in figure 5, being provided 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 convenient between three-jaw shaft coupling two and three-jaw shaft coupling three slide, laborsaving, slip is reliable.
The present invention the course of work be：
1st, manual work：
When needing to open gate：（1）Operate electric operator switching handle（Switch to manually）；（2）Shake bevel gear set,
Jaw clutch is set to be in engagement；（3）The handwheel shaken on electric operator, highest point is risen to by gate（Open
State）
When needing closed shutter：（1）Bevel gear set is shaken, jaw clutch is in disengaged condition；（2）After gate is first slow
It is fast fall, reach after certain speed, centrifugal speed limiter work, gate falling speed is accelerated again after slowing down repetition, final plant closure.
2nd, electronic work：
When needing to open gate：（1）Operate electric operator switching handle（Switch to electronic）；（2）Shake bevel gear set,
Jaw clutch is set to be in disengaged condition；（3）Start button is pressed, jaw clutch is in engagement, it is electronic to hold
Row mechanism action, is in a fully open position gate, after release, electromagnetic brake action, makes at jaw clutch
In disengaged condition, brake by electromagnetic brake control.
When needing closed shutter：（1）The unexpected dead electricity of electromagnetic brake；（2）Fast whereabouts after gate is first slow, reaches a constant speed
After degree, centrifugal speed limiter work makes gate falling speed be accelerated again after slowing down repetition, before final plant closure in an instant, buffering
Device works, and gate is closed safely in place.
The invention has the advantages that：
1st, it is rational in infrastructure, close a speed soon, performance is stable, easy to operate, can substitute existing speed and close headstock gear, headstock gear；
2nd, jaw clutch and electromagnetic brake coordination, efficiently solve the problems, such as axial float；
3rd, centrifugal speed limiter realizes the adjustable performance of rotating speed, is allowed to purposes wider；
4th, buffer is using pressure pulling form, it is ensured that act every time in place.
Claims (10)
1. a kind of speed closes machine, it is characterised in that including electric operator, the lower section of the electric operator is provided with main shaft,
The main shaft is sequentially provided with 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, jaw clutch it is dynamic
Portion, bevel gear set, the quiet portion of electromagnetic brake are 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 mandrel screw pair, and the lower axis body is located at main circle
In stud wheel, the screw mandrel screw pair is located at out of roller gear, the main roller gear and is meshed from roller gear, described
Screw mandrel screw pair includes feed screw nut and screw mandrel, and the feed screw nut fixes and is located at out of roller gear, and the screw mandrel is located at silk
In stem nut, the top of the screw mandrel is provided with buffer, bottom connection gate.
2. a kind of speed according to claim 1 closes machine, it is characterised in that the jaw clutch is located in upper box,
The upper box is in n shapes, and the quiet portion of the jaw clutch includes swivel, coil, swivel dental inlay, shell and fixed seat one,
The connection of three-jaw shaft coupling one swivel, the shell is set on swivel, and the shell is connected with fixed seat one, the fixation
Seat one is bolted upper box and electric operator, and the coil is located between swivel and shell, the swivel dental inlay
The connection swivel；
The dynamic portion of the jaw clutch includes dental inlay outer ring, reed, ring gear and fixed seat two, and the fixed seat two is connected
Upper axis body, the fixed seat two is bolted ring gear, 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, it is characterised 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 provided with through hole, and the upper axis body passes through
Linear bearing is connected in through hole；
The bevel gear set is located at upper intraoral including cone pinion, large bevel gear, screw pair and the support ring 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
State 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 supporting
Circle is located between dental inlay outer ring and swivel nut.
4. a kind of speed according to claim 3 closes machine, it is characterised 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 endoporus in dynamic portion is interior and stretches into the endoporus in the quiet portion of electromagnetic brake, the bottom connection three-jaw shaft coupling two of the upper axis body, institute
The top connection three-jaw shaft coupling three of lower axis body is stated,
The quiet portion of the electromagnetic brake fixes and is located on housing plate.
5. a kind of speed according to claim 4 closes machine, it is characterised in that the gear drive is located at casing assembly
Interior, the housing plate is fixed and is located on casing assembly.
6. a kind of speed according to claim 5 closes machine, it is characterised in that the centrifugal speed limiter includes rotating disk and some limits
Position block, some limited blocks in a ring, are laid in the bottom surface of casing assembly, and the rotating disk is located at the bottom of lower axis body, described turn
It is laid with some fixed blocks on disk, the fixed block is provided with the sliding block being slidably connected, a pair of the sliding block and limited block 1
Should and it be connected by contact of incline plane.
7. a kind of speed according to claim 5 closes machine, it is characterised in that the buffer includes piston rod, piston and cylinder
Cylinder, one end of the piston rod is fixedly connected with screw mandrel, other end connection piston, and the piston rod stretches into cylinder barrel, the piston position
In in cylinder barrel, the piston is provided with exhaust cap, and the cylinder barrel is located at the top of casing assembly.
8. a kind of speed according to claim 7 closes machine, it is characterised in that also including dust cover, the dust cover is connected to
Between casing assembly and cylinder barrel, the piston rod is located in dust cover.
9. a kind of speed according to claim 8 closes machine, it is characterised in that also including extension spring, the extension spring connects cylinder respectively
Cylinder and casing assembly.
10. a kind of speed according to claim 4 closes machine, it is characterised in that the three-jaw shaft coupling two and three-jaw shaft coupling
Steel ball is provided 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 true CN107059803A (en) | 2017-08-18 |
| CN107059803B 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) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01125408A (en) * | 1987-11-10 | 1989-05-17 | Omote Tekkosho:Kk | Flood gate opening and closing device |
| 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
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01125408A (en) * | 1987-11-10 | 1989-05-17 | Omote Tekkosho:Kk | Flood gate opening and closing device |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107059803B (en) | 2018-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108637320B (en) | A kind of antioverloading electric drill | |
| CN104878564B (en) | A kind of decelerating clutch of washing machine mechanical clutch means | |
| CN107059803A (en) | A kind of speed closes machine | |
| CN106958234B (en) | A kind of gate opening/closing drive device | |
| CN208502857U (en) | A kind of vertical turbine auto-manual barring gear | |
| CN206721838U (en) | Gate opening/closing drive device | |
| JP2002364684A (en) | Disk brake released by torque | |
| CN209511047U (en) | Automatic electric barring gear | |
| CN104453536A (en) | Emergency window opening device for automobile electric window | |
| CN101409131B (en) | Electro-magnet manual release apparatus for brake | |
| CN107442837A (en) | A kind of stronger cutting machine of security performance | |
| CN104669291B (en) | A kind of bionical four finger-types close mechanical hand | |
| CN207612163U (en) | Hand used for high-voltage switch is from dual-purpose two-way clutch decelerator | |
| CN207348625U (en) | The decelerating motor of automatic door lock | |
| CN208869133U (en) | A kind of traction sheave replacement mechanism for slim traction type elevator | |
| CN203319594U (en) | Hand-shaken mechanism | |
| CN207093372U (en) | Drive formula screw pump frequency-conversion drive apparatus in side | |
| CN201810692U (en) | Wet-type rolling bearing mechanical compaction friction clutch | |
| CN101886674A (en) | Wet type mechanical pressing friction clutch with rolling bearing | |
| CN110280798A (en) | A kind of electric drill that can quickly adjust drilling rod rotation direction | |
| CN205315549U (en) | Reversible electromagnetic clutch | |
| CN206950118U (en) | A kind of automatic cover-turning device | |
| CN105006386B (en) | The electric operating mechanism of circuit-breaker of automatic clutch | |
| CN201180637Y (en) | Fluted disc type brake protecting device of oil pumping machine | |
| CN105972164B (en) | Automatically controlled auxiliary triggering formula speed changer |
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 | ||
| TA01 | Transfer of patent application right |
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 |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |