CN206511776U - A kind of elevator governor - Google Patents

A kind of elevator governor Download PDF

Info

Publication number
CN206511776U
CN206511776U CN201621180651.4U CN201621180651U CN206511776U CN 206511776 U CN206511776 U CN 206511776U CN 201621180651 U CN201621180651 U CN 201621180651U CN 206511776 U CN206511776 U CN 206511776U
Authority
CN
China
Prior art keywords
ratchet
rope sheave
mobile jib
centrifugation bar
elevator governor
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.)
Expired - Fee Related
Application number
CN201621180651.4U
Other languages
Chinese (zh)
Inventor
刘飞
袁超
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.)
YICHUN SPECIAL EQUIPMENT SUPERVISION AND INSPECTION CENTER
Original Assignee
YICHUN SPECIAL EQUIPMENT SUPERVISION AND INSPECTION CENTER
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 YICHUN SPECIAL EQUIPMENT SUPERVISION AND INSPECTION CENTER filed Critical YICHUN SPECIAL EQUIPMENT SUPERVISION AND INSPECTION CENTER
Priority to CN201621180651.4U priority Critical patent/CN206511776U/en
Application granted granted Critical
Publication of CN206511776U publication Critical patent/CN206511776U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Jib Cranes (AREA)

Abstract

The utility model discloses a kind of elevator governor, including rope sheave part, frame and the ratchet being fixedly connected with frame, the rope sheave part includes rope sheave, centrifugation bar and mobile jib, the center of rope sheave is fixedly mounted in the middle part of the mobile jib, the rope sheave is arranged in frame by bearing, and the rope sheave and ratchet are concentric;The two ends of the mobile jib are respectively articulated with the centrifugation bar described in one, and a self-locking hydraulic stem is connected on the mobile jib of rope sheave center both sides respectively, the middle part of the other end connection centrifugation bar of self-locking hydraulic stem, end correspondence ratchet of the centrifugation bar away from mobile jib is fixedly connected with ratchet.

Description

A kind of elevator governor
Technical field
The present invention relates to a kind of elevator car safety, and in particular to a kind of elevator governor.
Background technology
Existing elevator speed-limiting protective device is all to drive brake apparatus safety tongs to act by limiter of speed, subtracts elevator Speed stops.Limiter of speed includes rope sheave, around hanging with the steel wire rope that is connected with lift car on rope sheave, so that governor sheave can be with Rotated with speed corresponding with the speed of car.Steel wire rope connection safety tongs on rope sheave.When the rotary speed of governor sheave During more than certain speed, the centrifugal force produced by the centrifugal block for clutch use on governor sheave is rotated by means of rope sheave is rotated, band running rope Paw and pawl action on wheel, make the cord-pressing block in the pressure rope part on limiter of speed compress steel wire rope, steel wire rope is braked, and is limited Fast device rope sheave stops operating, so as to make elevator out of service using the wire rope pulling safety tongs action of tensioning.
All it is that centrifugal-block or centrifugation bar are pulled using spring in existing elevator governor, but spring is being used for multiple times Or elasticity can change after prolonged placement, ratchet is not engaged with ratchet when causing to occur accident, or rope sheave speed Do not exceed the speed limit also and just released centrifugation bar or centrifugal-block.
The content of the invention
Based on this, in view of the above-mentioned problems, being necessary to propose a kind of elevator governor, it uses self-lock mechanism, with self-locking Hydraulic stem connection centrifugation bar and mobile jib, when centrifugation bar is thrown away, self-locking hydraulic stem is elongated to after certain length just self-locking, makes centrifugation bar On ratchet steadily mesh ratchet gear, solve the problems, such as spring itself inevitably elastic exhaustion.
The technical scheme is that:
A kind of elevator governor, including rope sheave part, frame and the ratchet being fixedly connected with frame, the rope sheave part bag The center that rope sheave is fixedly mounted in the middle part of rope sheave, centrifugation bar and mobile jib, the mobile jib is included, the rope sheave is arranged on by bearing In frame, the rope sheave and ratchet are concentric;The two ends of the mobile jib are respectively articulated with the centrifugation bar described in one, and rope sheave center two A self-locking hydraulic stem, the middle part of the other end connection centrifugation bar of self-locking hydraulic stem, the centrifugation are connected on the mobile jib of side respectively End correspondence ratchet of the bar away from mobile jib is fixedly connected with ratchet.
The operation principle of the present invention is:The steel wire rope of connection elevator is around on rope sheave, and rope sheave is rotated with steel wire rope, when When elevator is declined with abnormal speed, the speed that rope sheave is rotated is accelerated, and the centrifugal force suffered by centrifugation bar is increased, and drives self-locking liquid Depression bar extends self-locking, and now the length of self-locking hydraulic stem will not change again, ratchet just being engaged with ratchet steadily, then coordinate Safety tongs action makes elevator out of service.
In one of the embodiments, mobile jib is provided with the fastening screw for being used for fixing mobile jib with centrifugation bar hinged place.
In one of the embodiments, the ratchet is removably to be connected with centrifugation bar.
It is preferred that, the ratchet is connected or riveted by bolt and nut with centrifugation bar.
It is preferred that, setting angle and the centrifugation bar of the ratchet are in 30-75 degree.
In one of the embodiments, it is additionally provided with weight close to that one end of ratchet on the centrifugation bar.
In one of the embodiments, the weight is bloom or lead.
It is preferred that, the weight is at least provided with two pieces.
It is preferred that, the ratchet uses chrome molybdenum silico-manganese steel.
In one of the embodiments, key, the mobile jib are machined with the sheave shaft that the center both sides of rope sheave are fixedly connected Middle through-hole in be machined with corresponding keyway.
The beneficial effects of the invention are as follows:
1st, using self-lock mechanism, with self-locking hydraulic stem connection centrifugation bar and mobile jib, thrown away when centrifuging bar, self-locking hydraulic stem Just self-locking is elongated to after certain length, makes ratchet on centrifugation bar steadily mesh ratchet gear, solves spring itself inevitable Elastic exhaustion problem, makes the work of limiter of speed relatively reliable, stable.
2nd, mobile jib is provided with the fastening screw for being used for fixing mobile jib with centrifugation bar hinged place, mobile jib is not produced rotation, causes Centrifugal force is all acted on centrifugation bar, enhance trigger sensitivity.
3rd, ratchet is convenient for changing maintenance when ratchet weares and teares with centrifugation bar to be removably connected.
4th, ratchet is connected or riveted by bolt and nut with centrifugation bar, and maintenance is convenient for changing when ratchet weares and teares.
5th, the setting angle of ratchet and centrifugation bar are in 30-75 degree, ratchet is more consolidated when being engaged with ratchet firm.
6th, the centrifugal force on weight, enhancing centrifugation bar is additionally provided with close to that one end of ratchet on centrifugation bar, enhanced tactile Send out sensitivity.
7th, the weight is bloom or lead, in limited space, uses small volume weight big bloom or lead Block centrifuges the centrifugal force of bar to strengthen, it is ensured that trigger sensitivity.
8th, the weight is at least provided with two pieces, it is ensured that centrifugation bar is made trigger sensitivity higher by enough centrifugal force.
9th, ratchet uses chrome molybdenum silico-manganese steel, it is ensured that the wearability and corrosion resistance of ratchet, effective ratchet avoid ratchet Surface produces spot corrosion and crackle, enhances the service life of ratchet, while ensure that the reliability of elevator governor work.
10th, it is machined with key, the middle through-hole of the mobile jib and processes on the sheave shaft that the center both sides of rope sheave are fixedly connected There is corresponding keyway, when ratchet is engaged with ratchet, enhance the brake force to rope sheave, make the performance of limiter of speed relatively reliable.
Brief description of the drawings
Fig. 1 is the structural representation of the elevator governor described in the embodiment of the present invention;
Fig. 2 is mobile jib centrifugation bar partial enlarged drawing in elevator governor described in the embodiment of the present invention.
Description of reference numerals:100th, rope sheave part, 200, frame, 300, ratchet, 400, ratchet, 500, weight, 101, Rope sheave, 102, mobile jib, 103, centrifugation bar, 104, self-locking hydraulic stem, 600, fastening screw.
Embodiment
Embodiments of the invention are described in detail below in conjunction with the accompanying drawings.
Embodiment 1:
As Figure 1-Figure 2, a kind of elevator governor, including rope sheave part 100, frame 200 and be fixedly connected with frame Ratchet 300, the rope sheave part 100 includes rope sheave 101, centrifugation bar 103 and mobile jib 102, and the middle part of the mobile jib 102 is fixed Installed in the center of rope sheave 101, the rope sheave 101 is arranged in frame 200 by bearing, and the rope sheave 101 and ratchet 300 are same The heart;The two ends of the mobile jib 102 are respectively articulated with the centrifugation bar 103 described in one, and the mobile jib 102 of the center both sides of rope sheave 101 A self-locking hydraulic stem 104, the middle part of the other end connection centrifugation bar 103 of self-locking hydraulic stem 104, the centrifugation bar are connected respectively The 103 end correspondence ratchets 300 away from mobile jib 102 are fixedly connected with ratchet 400.
Embodiment 2:
As Figure 1-Figure 2, a kind of elevator governor, including rope sheave part 100, frame 200 and be fixedly connected with frame Ratchet 300, the rope sheave part 100 includes rope sheave 101, centrifugation bar 103 and mobile jib 102, and the middle part of the mobile jib 102 is fixed Installed in the center of rope sheave 101, the rope sheave 101 is arranged in frame 200 by bearing, and the rope sheave 101 and ratchet 300 are same The heart;The two ends of the mobile jib 102 are respectively articulated with the centrifugation bar 103 described in one, and the mobile jib 102 of the center both sides of rope sheave 101 A self-locking hydraulic stem 104, the middle part of the other end connection centrifugation bar 103 of self-locking hydraulic stem 104, the centrifugation bar are connected respectively The 103 end correspondence ratchets 300 away from mobile jib 102 are fixedly connected with ratchet 400.
Mobile jib 102 is provided with the fastening screw 600 for being used for fixing mobile jib 102 with centrifugation bar 103 hinged place.
Embodiment 3:
As Figure 1-Figure 2, a kind of elevator governor, including rope sheave part 100, frame 200 and be fixedly connected with frame Ratchet 300, the rope sheave part 100 includes rope sheave 101, centrifugation bar 103 and mobile jib 102, and the middle part of the mobile jib 102 is fixed Installed in the center of rope sheave 101, the rope sheave 101 is arranged in frame 200 by bearing, and the rope sheave 101 and ratchet 300 are same The heart;The two ends of the mobile jib 102 are respectively articulated with the centrifugation bar 103 described in one, and the mobile jib 102 of the center both sides of rope sheave 101 A self-locking hydraulic stem 104, the middle part of the other end connection centrifugation bar 103 of self-locking hydraulic stem 104, the centrifugation bar are connected respectively The 103 end correspondence ratchets 300 away from mobile jib 102 are fixedly connected with ratchet 400.
Mobile jib 102 is provided with the fastening screw 600 for being used for fixing mobile jib 102 with centrifugation bar 103 hinged place.
The ratchet 400 is removably to be connected with centrifugation bar 103.
Embodiment 4:
On the basis of embodiment 3:
The ratchet 400 is connected or riveted by bolt and nut with centrifugation bar 103.
Embodiment 5:
As Figure 1-Figure 2, a kind of elevator governor, including rope sheave part 100, frame 200 and be fixedly connected with frame Ratchet 300, the rope sheave part 100 includes rope sheave 101, centrifugation bar 103 and mobile jib 102, and the middle part of the mobile jib 102 is fixed Installed in the center of rope sheave 101, the rope sheave 101 is arranged in frame 200 by bearing, and the rope sheave 101 and ratchet 300 are same The heart;The two ends of the mobile jib 102 are respectively articulated with the centrifugation bar 103 described in one, and the mobile jib 102 of the center both sides of rope sheave 101 A self-locking hydraulic stem 104, the middle part of the other end connection centrifugation bar 103 of self-locking hydraulic stem 104, the centrifugation bar are connected respectively The 103 end correspondence ratchets 300 away from mobile jib 102 are fixedly connected with ratchet 400.
Mobile jib 102 is provided with the fastening screw 600 for being used for fixing mobile jib 102 with centrifugation bar 103 hinged place.
The ratchet 400 is removably to be connected with centrifugation bar 103.
The setting angle of the ratchet 400 is in 30 degree with centrifugation bar.
Embodiment 6:
As Figure 1-Figure 2, a kind of elevator governor, including rope sheave part 100, frame 200 and be fixedly connected with frame Ratchet 300, the rope sheave part 100 includes rope sheave 101, centrifugation bar 103 and mobile jib 102, and the middle part of the mobile jib 102 is fixed Installed in the center of rope sheave 101, the rope sheave 101 is arranged in frame 200 by bearing, and the rope sheave 101 and ratchet 300 are same The heart;The two ends of the mobile jib 102 are respectively articulated with the centrifugation bar 103 described in one, and the mobile jib 102 of the center both sides of rope sheave 101 A self-locking hydraulic stem 104, the middle part of the other end connection centrifugation bar 103 of self-locking hydraulic stem 104, the centrifugation bar are connected respectively The 103 end correspondence ratchets 300 away from mobile jib 102 are fixedly connected with ratchet 400.
Mobile jib 102 is provided with the fastening screw 600 for being used for fixing mobile jib 102 with centrifugation bar 103 hinged place.
The ratchet 400 is removably to be connected with centrifugation bar 103.
The setting angle of the ratchet 400 is in 45 degree with centrifugation bar.
Embodiment 7:
As Figure 1-Figure 2, a kind of elevator governor, including rope sheave part 100, frame 200 and be fixedly connected with frame Ratchet 300, the rope sheave part 100 includes rope sheave 101, centrifugation bar 103 and mobile jib 102, and the middle part of the mobile jib 102 is fixed Installed in the center of rope sheave 101, the rope sheave 101 is arranged in frame 200 by bearing, and the rope sheave 101 and ratchet 300 are same The heart;The two ends of the mobile jib 102 are respectively articulated with the centrifugation bar 103 described in one, and the mobile jib 102 of the center both sides of rope sheave 101 A self-locking hydraulic stem 104, the middle part of the other end connection centrifugation bar 103 of self-locking hydraulic stem 104, the centrifugation bar are connected respectively The 103 end correspondence ratchets 300 away from mobile jib 102 are fixedly connected with ratchet 400.
Mobile jib 102 is provided with the fastening screw 600 for being used for fixing mobile jib 102 with centrifugation bar 103 hinged place.
The ratchet 400 is removably to be connected with centrifugation bar 103.
The setting angle of the ratchet 400 is in 75 degree with centrifugation bar.
Embodiment 8:
As Figure 1-Figure 2, a kind of elevator governor, including rope sheave part 100, frame 200 and be fixedly connected with frame Ratchet 300, the rope sheave part 100 includes rope sheave 101, centrifugation bar 103 and mobile jib 102, and the middle part of the mobile jib 102 is fixed Installed in the center of rope sheave 101, the rope sheave 101 is arranged in frame 200 by bearing, and the rope sheave 101 and ratchet 300 are same The heart;The two ends of the mobile jib 102 are respectively articulated with the centrifugation bar 103 described in one, and the mobile jib 102 of the center both sides of rope sheave 101 A self-locking hydraulic stem 104, the middle part of the other end connection centrifugation bar 103 of self-locking hydraulic stem 104, the centrifugation bar are connected respectively The 103 end correspondence ratchets 300 away from mobile jib 102 are fixedly connected with ratchet 400.
Mobile jib 102 is provided with the fastening screw 600 for being used for fixing mobile jib 102 with centrifugation bar 103 hinged place.
The ratchet 400 is removably to be connected with centrifugation bar 103.
On the centrifugation bar 103 weight 500 is additionally provided with close to that one end of ratchet 400.
Embodiment 9:
As Figure 1-Figure 2, a kind of elevator governor, including rope sheave part 100, frame 200 and be fixedly connected with frame Ratchet 300, the rope sheave part 100 includes rope sheave 101, centrifugation bar 103 and mobile jib 102, and the middle part of the mobile jib 102 is fixed Installed in the center of rope sheave 101, the rope sheave 101 is arranged in frame 200 by bearing, and the rope sheave 101 and ratchet 300 are same The heart;The two ends of the mobile jib 102 are respectively articulated with the centrifugation bar 103 described in one, and the mobile jib 102 of the center both sides of rope sheave 101 A self-locking hydraulic stem 104, the middle part of the other end connection centrifugation bar 103 of self-locking hydraulic stem 104, the centrifugation bar are connected respectively The 103 end correspondence ratchets 300 away from mobile jib 102 are fixedly connected with ratchet 400.
Mobile jib 102 is provided with the fastening screw 600 for being used for fixing mobile jib 102 with centrifugation bar 103 hinged place.
The ratchet 400 is removably to be connected with centrifugation bar 103.
On the centrifugation bar 103 weight 500 is additionally provided with close to that one end of ratchet 400.
The weight 500 is bloom or lead.
Embodiment 10:
As Figure 1-Figure 2, a kind of elevator governor, including rope sheave part 100, frame 200 and be fixedly connected with frame Ratchet 300, the rope sheave part 100 includes rope sheave 101, centrifugation bar 103 and mobile jib 102, and the middle part of the mobile jib 102 is fixed Installed in the center of rope sheave 101, the rope sheave 101 is arranged in frame 200 by bearing, and the rope sheave 101 and ratchet 300 are same The heart;The two ends of the mobile jib 102 are respectively articulated with the centrifugation bar 103 described in one, and the mobile jib 102 of the center both sides of rope sheave 101 A self-locking hydraulic stem 104, the middle part of the other end connection centrifugation bar 103 of self-locking hydraulic stem 104, the centrifugation bar are connected respectively The 103 end correspondence ratchets 300 away from mobile jib 102 are fixedly connected with ratchet 400.
Mobile jib 102 is provided with the fastening screw 600 for being used for fixing mobile jib 102 with centrifugation bar 103 hinged place.
The ratchet 400 is removably to be connected with centrifugation bar 103.
On the centrifugation bar 103 weight 500 is additionally provided with close to that one end of ratchet 400.
The weight 500 is bloom or lead.
The weight 500 is at least provided with two pieces.
Embodiment 11:
As Figure 1-Figure 2, a kind of elevator governor, including rope sheave part 100, frame 200 and be fixedly connected with frame Ratchet 300, the rope sheave part 100 includes rope sheave 101, centrifugation bar 103 and mobile jib 102, and the middle part of the mobile jib 102 is fixed Installed in the center of rope sheave 101, the rope sheave 101 is arranged in frame 200 by bearing, and the rope sheave 101 and ratchet 300 are same The heart;The two ends of the mobile jib 102 are respectively articulated with the centrifugation bar 103 described in one, and the mobile jib 102 of the center both sides of rope sheave 101 A self-locking hydraulic stem 104, the middle part of the other end connection centrifugation bar 103 of self-locking hydraulic stem 104, the centrifugation bar are connected respectively The 103 end correspondence ratchets 300 away from mobile jib 102 are fixedly connected with ratchet 400.
Mobile jib 102 is provided with the fastening screw 600 for being used for fixing mobile jib 102 with centrifugation bar 103 hinged place.
The ratchet 400 is removably to be connected with centrifugation bar 103.
On the centrifugation bar 103 weight 500 is additionally provided with close to that one end of ratchet 400.
The weight 500 is bloom or lead.
The weight 500 is at least provided with two pieces.
The ratchet 400 uses chrome molybdenum silico-manganese steel.
Embodiment 12:
As Figure 1-Figure 2, a kind of elevator governor, including rope sheave part 100, frame 200 and be fixedly connected with frame Ratchet 300, the rope sheave part 100 includes rope sheave 101, centrifugation bar 103 and mobile jib 102, and the middle part of the mobile jib 102 is fixed Installed in the center of rope sheave 101, the rope sheave 101 is arranged in frame 200 by bearing, and the rope sheave 101 and ratchet 300 are same The heart;The two ends of the mobile jib 102 are respectively articulated with the centrifugation bar 103 described in one, and the mobile jib 102 of the center both sides of rope sheave 101 A self-locking hydraulic stem 104, the middle part of the other end connection centrifugation bar 103 of self-locking hydraulic stem 104, the centrifugation bar are connected respectively The 103 end correspondence ratchets 300 away from mobile jib 102 are fixedly connected with ratchet 400.
Key, the middle through-hole of the mobile jib 102 are machined with the sheave shaft that the center both sides of the rope sheave 101 are fixedly connected Inside it is machined with corresponding keyway.
Embodiment described above only expresses the embodiment of the present invention, and it describes more specific and detailed, but simultaneously Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect scope.

Claims (10)

1. a kind of elevator governor, it is characterised in that:It is described including rope sheave part, frame and the ratchet being fixedly connected with frame Rope sheave part includes being fixedly mounted on the center of rope sheave in the middle part of rope sheave, centrifugation bar and mobile jib, the mobile jib, and the rope sheave passes through Bearing is arranged in frame, and the rope sheave and ratchet are concentric;The two ends of the mobile jib are respectively articulated with the centrifugation bar described in one, and Connected respectively on the mobile jib of rope sheave center both sides in a self-locking hydraulic stem, the other end connection centrifugation bar of self-locking hydraulic stem Portion, end correspondence ratchet of the centrifugation bar away from mobile jib is fixedly connected with ratchet.
2. a kind of elevator governor according to claim 1, it is characterised in that:Mobile jib is used for centrifuging the hinged place of bar and being provided with The fastening screw of fixed mobile jib.
3. a kind of elevator governor according to claim 1, it is characterised in that:The ratchet is removably to connect with centrifugation bar Connect.
4. a kind of elevator governor according to claim 3, it is characterised in that:The ratchet passes through bolt and nut with centrifugation bar Connection is riveted.
5. a kind of elevator governor according to claim 1, it is characterised in that:The setting angle of the ratchet with centrifugation bar be in 30-75 degree.
6. a kind of elevator governor according to claim 1, it is characterised in that:Close to that one end of ratchet on the centrifugation bar Provided with weight.
7. a kind of elevator governor according to claim 6, it is characterised in that:The weight is bloom or lead.
8. a kind of elevator governor according to claim 6, it is characterised in that:The weight is at least provided with two pieces.
9. a kind of elevator governor according to claim 1, it is characterised in that:The ratchet uses chrome molybdenum silico-manganese steel.
10. a kind of elevator governor according to claim 1, it is characterised in that:The center both sides of the rope sheave are fixedly connected Sheave shaft on be machined with key, the middle through-hole of the mobile jib and be machined with corresponding keyway.
CN201621180651.4U 2016-10-27 2016-10-27 A kind of elevator governor Expired - Fee Related CN206511776U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621180651.4U CN206511776U (en) 2016-10-27 2016-10-27 A kind of elevator governor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621180651.4U CN206511776U (en) 2016-10-27 2016-10-27 A kind of elevator governor

Publications (1)

Publication Number Publication Date
CN206511776U true CN206511776U (en) 2017-09-22

Family

ID=59861270

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621180651.4U Expired - Fee Related CN206511776U (en) 2016-10-27 2016-10-27 A kind of elevator governor

Country Status (1)

Country Link
CN (1) CN206511776U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106276476A (en) * 2016-10-27 2017-01-04 宜春市特种设备监督检验中心 A kind of elevator governor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106276476A (en) * 2016-10-27 2017-01-04 宜春市特种设备监督检验中心 A kind of elevator governor

Similar Documents

Publication Publication Date Title
CN201058780Y (en) Novel elevator over-speed governor
CN101698463B (en) Braking device of electric block
CN201580908U (en) Overload protecting system of crane lifting transmission chain
CN204873326U (en) Elevator overspeed governor
CN101088897A (en) Novel elevator speed limiter
CN206511776U (en) A kind of elevator governor
CN201062180Y (en) Hoister rope-breaking protection device
CN103395467A (en) Linkage brake device of two-wheel vehicle and two-wheel vehicle with front wheel and rear wheel carrying out brake in linkage mode
CN106276476B (en) A kind of elevator governor
CN201176368Y (en) Anti-braking safety device for nacelle of elevator
CN206108610U (en) Speed limiter of elevator
CN201209101Y (en) Engaging and disengaging gear for aluminium alloy wire tightener
CN103395414B (en) Linkage brake balancing structure of two-wheel vehicle
CN106379791B (en) A kind of elevator governor
CN201817225U (en) Winch barrel-limiting and braking mechanism
CN201343400Y (en) Braking electric block
CN201761611U (en) Electro-tricycle with hub brakes at rear wheels
CN202156850U (en) Elevator speed limiter
CN200958021Y (en) Electric hoist with safety brake
CN2883300Y (en) Dropping dust-proof circular chain hand hoist
CN201525727U (en) Braking device for electric block
CN202390042U (en) Manual device for forcibly braking safety gear
CN215797777U (en) Falling protector for elevator
CN202542740U (en) Integration device for rope-tightening and cable-breaking protection of trolley of tower crane
CN214114855U (en) Novel anti-falling safety device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170922

Termination date: 20171027

CF01 Termination of patent right due to non-payment of annual fee