CN201622143U - Device for measuring movement tension of speed limiter for elevator and movement tensile force of safety tongs - Google Patents
Device for measuring movement tension of speed limiter for elevator and movement tensile force of safety tongs Download PDFInfo
- Publication number
- CN201622143U CN201622143U CN2009202129365U CN200920212936U CN201622143U CN 201622143 U CN201622143 U CN 201622143U CN 2009202129365 U CN2009202129365 U CN 2009202129365U CN 200920212936 U CN200920212936 U CN 200920212936U CN 201622143 U CN201622143 U CN 201622143U
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- force
- wire rope
- elevator
- safety tongs
- action
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/048—Testing of overspeed governor
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses a device used for measuring the movement tension of a speed limiter for an elevator and the movement tensile force of a pair of safety tongs. The device mainly comprises a bearing cross beam, a motor assembly, a steel cable clamping apparatus and a sensor assembly, wherein the bearing cross beam is fixed on the prior elevator guide rail through a guide rail clamping apparatus, the steel cable clamping apparatus is clamped on the prior steel cable for the speed limiter for the elevator, and the motor assembly is used for transferring the loaded force to the steel cable clamping apparatus through a motor, a speed-reduction torque converter and a gear rack; when the loaded force is increased to a fixed value, the steel cable clamping apparatus drives the steel cable for the speed limiter for the elevator to move downwards or upwards; when the steel cable moved downwards, the force sensor in the sensor assembly can be used for measuring the movement tension of the speed limiter for the elevator; and when the steel cable moves upwards, the force sensor in the sensor assembly can be used for measuring the movement tensile force of the safety tongs for the elevator.
Description
Technical field
The utility model relates to a kind of measurement mechanism, relates in particular to a kind of measurement mechanism that is used to guarantee elevator safety operation.
Background technology
Action tension force and the action power that lifts when at present standard GB 7588-2003 is to the examination reinspection of the elevator governor safety tongs linkage of installation and operation and periodic inspection have all been made quantitative regulation, so the elevator that the elevator production industry is produced must meet this quantitative criterion, yet in-site measurement for this quantitative values, the testing agency of China still rests on manual pulling, the method of range estimation action is carried out qualitative reaction to the performance of limiter of speed safety tongs linkage, this check system accuracy rate is low, precision is low, is the requirement that can not satisfy the standard GB 7588-2003 of present implementation far away.And pick-up unit that can rigorous examination elevator governor safety tongs linkage security performance also belongs to blank field at home, does not have the high pick-up unit of degree of accuracy generally to use as yet in industry.
Summary of the invention
The purpose of this utility model provides a kind of device of measuring elevator governor action tension force and safety tongs action pulling force, this device can effectively solve the in-site measurement problem of the limiter of speed safety tongs linkage action stretching force of installation and operation elevator, and this device should be simple in structure, be convenient to operation, reliable.
Technical conceive of the present utility model is to adopt a kind of electromechanical integrated device that mainly is made of assemblies such as motor, deceleration torque converter, gear, tooth bar, sensor and wire rope anchor clamps, this device is located on the existing cage guide, is made this device to slide up and down along cage guide.When motor turns to clockwise, deceleration by torque converter, clockwise rotate with shaft driven gear, to load power and be engaged to do transmission downwards on the tooth bar, tooth bar with power pass to be positioned at its below, be clipped in the anchor clamps on the elevator speed limiter wire rope, after power increases to a certain value, the wire rope anchor clamps will drive wire rope and overcome stiction, under the sliding friction state, move down, the sensor that be connected with the wire rope anchor clamps this moment just can be differentiated wire rope by the transformation of static friction state to the sliding friction state, and measure at that time maximum static friction force, this value is exactly the action tension force of limiter of speed.In like manner, when motor turns to counterclockwise, after sensor can be measured the starting power that wire rope overcomes the safety tongs linkage assembly equally, the power that moves up, the action pulling force that this value of measuring is exactly a safety tongs.
For achieving the above object, the utility model provides a kind of device of measuring elevator governor action tension force and safety tongs action pulling force, and this device comprises:
One load crossbeam;
One rail clamp is located at an end of described load crossbeam, is slidingly connected with cage guide;
One electric machine assembly is located on the described load crossbeam, and described electric machine assembly comprises:
One base sleeve, be placed in the other end of described load crossbeam, described base sleeve is positioned on the load crossbeam by bolt, before the bolt location, the electric machine assembly of being located on this base sleeve can horizontally slip along the load crossbeam, to adjust the position of this electric machine assembly;
One platform is fixed at the upper surface of described base sleeve;
One motor is fixed on the described base plate;
One deceleration torque converter is fixed on the described platform by a support member, and described deceleration torque converter is fixedlyed connected with described motor;
One gear is connected with described deceleration torque converter by an axle sleeve;
One tooth bar guide rail be arranged in parallel with elevator speed limiter wire rope, and vertical fixing is on described platform;
One tooth bar, spacing fixing by described tooth bar guide rail, and with described gearing mesh, the two ends of described tooth bar are respectively equipped with a top;
One wire rope anchor clamps are clipped on the elevator speed limiter wire rope, and described wire rope anchor clamps comprise:
One clamp is clipped on the elevator speed limiter wire rope by a fishbolt;
One handle is fixedlyed connected with described fishbolt;
One is located at the sensor module between described electric machine assembly and the wire rope anchor clamps, and described sensor module comprises:
One force transducer;
Two force-bearing pieces, be located at the two ends up and down of described force transducer respectively, contact is connected described two force-bearing pieces with clamp with described dynamo-electric assembly respectively, with be fixed with a rack sleeve on the force-bearing piece that electric machine assembly contact is connected, described rack sleeve is placed on the top of described tooth bar end, and described force transducer detects the suffered force value of force-bearing piece in real time.
Preferably, described electric machine assembly is located at the top of described wire rope anchor clamps, is used to measure the action tension force of elevator governor.
Preferably, described electric machine assembly is located at the below of described wire rope anchor clamps, is used to measure the action pulling force of elevator safety gear.
Preferably, described electric machine assembly comprises: one is located at the base plate between described motor and the platform; A pair of motor slide rails is fixed at the two ends, the left and right sides of described platform upper surface, and the left and right sides end face of described motor slide rails and described base plate is slidingly connected.Because elevator speed limiter wire rope is flexible, electric machine assembly can guarantee this measurement mechanism accurate positioning along slip before and after the motor slide rails.
Preferably, described force-bearing piece comprises that one has the force block of internal thread hole, and a force bearing plate that is rotatably connected by bolt and described force block.Equally, the rotatable setting of described force bearing plate is can be inserted in the rack sleeve accurately for the top that guarantees described tooth bar.
Preferably, be provided with a voussoir in the described clamp, the surface of contact of described voussoir and described elevator speed limiter wire rope is the arc column face, and voussoir clamps elevator speed limiter wire rope by described fishbolt, is used for auxiliary described clamp and clamps wire rope.
Preferably, described clamp and voussoir be respectively equipped with a catch up and down between the both ends of the surface, be used to prevent that described voussoir from skidding off in clamp.
Preferably, described load crossbeam is the channel-section steel crossbeam.
Preferably, described force transducer is a strain pressure transducer.
When measuring the action tension force of elevator governor, electric machine assembly is positioned at the top of wire rope anchor clamps.Operate described motor and clockwise rotate, motor speed is through the deceleration of deceleration torque converter, and then drives coaxial gear and clockwise rotate, and gear rotates, and the tooth bar that drives with its engagement moves down along the tooth bar guide rail.Tooth bar continues to move, and is inserted in described rack sleeve until the top of tooth bar lower end, and at this moment, electric machine assembly just passes through rack-and-pinion, sensor module with loading force, has been transferred to the wire rope anchor clamps.At this moment, motor is still rotating, the downward top of tooth bar force transducer, force transducer is delivered to loading force on the wire rope anchor clamps by force-bearing piece, the wire rope anchor clamps must overcome the internal stress of wire rope earlier if will drive elevator speed limiter wire rope moves down, and overcome the maximum static friction force of wire rope and speed limiter wire rope wheel cell wall again, when wire rope had overcome above-mentioned power and begins to move down, the value that force transducer records was exactly a limiter of speed action tension force.
When measuring the action pulling force of elevator safety gear, electric machine assembly is positioned at the below of wire rope anchor clamps.Operate described motor and rotate counterclockwise, motor speed is through the deceleration of deceleration torque converter, and then drives coaxial gear and rotate counterclockwise, and gear rotates, and the tooth bar that drives with its engagement moves up along the tooth bar guide rail.Tooth bar continues to move, and is inserted in described rack sleeve until the top of tooth bar upper end, and at this moment, electric machine assembly just passes through rack-and-pinion, sensor module with loading force, has been transferred to the wire rope anchor clamps.At this moment, motor is still rotating, the tooth bar top force transducer that makes progress, force transducer is delivered to loading force on the wire rope anchor clamps by force-bearing piece, the wire rope anchor clamps drive elevator speed limiter wire rope and move up, and the loading force that should make progress overcomes the internal stress of wire rope earlier, overcome the starting power of safety tongs linkage assembly again, when the safety tongs that is enough to spur elevator when this loading force was carved piece, the value that force transducer records was exactly the action pulling force of elevator safety gear.
The utility model is owing to adopted technique scheme; filled up the blank of prior art aspect quantitative measurment elevator governor action tension force and safety tongs action pulling force; and this apparatus structure is simple; when elevator is shut down; as long as this device is fixed on the guide rail of elevator and on the wire rope by rail clamp and wire rope anchor clamps; and the limiter of speed action just can be measured, measuring process is simple to operate, and the measurement result accuracy height.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a kind of front view of measuring the device middle guide anchor clamps of elevator governor action tension force and safety tongs action pulling force of the utility model.
Fig. 2 is a kind of left view of measuring the device middle guide anchor clamps of elevator governor action tension force and safety tongs action pulling force of the utility model.
Fig. 3 is the front view of load channel-section steel in a kind of device of measuring elevator governor action tension force and safety tongs action pulling force of the utility model.
Fig. 4 is the front view of platform and the base sleeve that is attached thereto in a kind of device of measuring elevator governor action tension force and safety tongs action pulling force of the utility model.
Fig. 5 is the left view of platform and the base sleeve that is attached thereto in a kind of device of measuring elevator governor action tension force and safety tongs action pulling force of the utility model.
Fig. 6 is the front view of electric machine assembly in a kind of device of measuring elevator governor action tension force and safety tongs action pulling force of the utility model.
Fig. 7 is the right view of electric machine assembly in a kind of device of measuring elevator governor action tension force and safety tongs action pulling force of the utility model.
Fig. 8 is the front view of wire rope anchor clamps in a kind of device of measuring elevator governor action tension force and safety tongs action pulling force of the utility model.
Fig. 9 is the left view of wire rope anchor clamps in a kind of device of measuring elevator governor action tension force and safety tongs action pulling force of the utility model.
Figure 10 is the cable splice lead-in wire synoptic diagram of electric machine assembly in a kind of device of measuring elevator governor action tension force and safety tongs action pulling force of the utility model.
Figure 11 is the cable splice lead-in wire synoptic diagram of force transducer in a kind of device of measuring elevator governor action tension force and safety tongs action pulling force of the utility model.
Mounting structure synoptic diagram when Figure 12 is a kind of device to test limiter of speed action tension force of measuring elevator governor action tension force and safety tongs action pulling force of the utility model.
Mounting structure synoptic diagram when Figure 13 is a kind of device to test safety tongs action pulling force of measuring elevator governor action tension force and safety tongs action pulling force of the utility model.
Description of reference numerals:
1-rail clamp 12-support member 23-handle
The 2-first puller bolt 13-deceleration torque converter 24-second force block
3-set bolt 14-tooth bar 25-strain pressure transducer
4-channel-section steel crossbeam 15-axle sleeve 26-sensor electrical cable joint
5-threaded hole 16-tooth bar guide rail 27-first force block
6-base sleeve 17-gear 28-force bearing plate
7-motor slide rails 18-electric machine assembly cable splice 29-rack sleeve
The 8-second puller bolt 19-clamp 30-wire rope
9-fastening bolt 20-voussoir 31-cage guide
10-base plate 21-catch 33-platform
11-motor 22-fishbolt
Embodiment
Embodiment 1
A kind of preferred version when this embodiment measures the measurement device limiter of speed action tension force of elevator governor action tension force and safety tongs action pulling force for the utility model is a kind of.As Fig. 1, Fig. 2 and shown in Figure 12, an end of channel-section steel crossbeam 4 is fixed on the cage guide 31 by rail clamp 1.Rail clamp 1 is clamped on the cage guide 31 by first puller bolt 2, and channel-section steel crossbeam 4 is fixedly connected on the rail clamp 1 by set bolt 3.
As Fig. 4, Fig. 5 and shown in Figure 12, platform 33 is fixedlyed connected with base sleeve 6, base sleeve 6 is enclosed within on the channel-section steel crossbeam 4, platform 33 just can be made horizontal move left and right with base sleeve 6 on the channel-section steel crossbeam like this, the horizontal location that is used to load, in case running fix is finished, weighted platform is fastened on the channel-section steel crossbeam with the threaded hole 5 of 2 second puller bolts 8 by as shown in Figure 3.The two edges of platform 33 upper surfaces also are equipped with motor slide rails 7, are used for electric machine assembly and do moving forward and backward of vertical direction at surface level, thereby carry out the vertical-horizontal location, by fastening bolt 9 electric machine assembly are fixed tightly on the platform 33 after finish the location.
As Fig. 6, Fig. 7, Figure 10 and shown in Figure 12, electric machine assembly comprises motor 11, base plate 10, deceleration torque converter 13, gear 17, tooth bar 14, tooth bar guide rail 16 and electric machine assembly cable splice 18 etc.Motor 11 and deceleration torque converter 13 are connected by axle tooth spiral gear, deceleration torque converter 13 is located on the base plate 10 by support member 12, gear 17 is fastened on drawing on the axle of deceleration torque converter 13 by axle sleeve 15, tooth bar 14 is spacing fixing via tooth bar guide rail 16, effectively mesh with gear 17, tooth bar guide rail 16 vertical fixing are on base plate 10, and two ends of tooth bar 14 are cylindric top, it can embed in the rack sleeve of wire rope anchor clamps, and the cable splice 18 of electric machine assembly is used to connect extraneous control line.
As Fig. 8, Fig. 9, Figure 11 and shown in Figure 12, the wire rope anchor clamps comprise clamp 19, voussoir 20, fishbolt 22, handle 23, strain pressure transducer 25, sensor electrical cable joint 26, rack sleeve 29 etc.Handle 23 is used to screw fishbolt 22, make fishbolt 22 withstand in the voussoir 20 side pits, wherein voussoir 20 is the arc column face with the wire rope surface of contact, be dihedral with the wire rope surface of contact in the clamp 19, corner post shape face in the arc column shape face of voussoir 20 and the clamp 19 clamps wire rope jointly, makes these surface of contact can not damage the outside surface of wire rope.The outside of clamp 19 is connected with second force block 24 of sensor module, first force block 27 on the strain pressure transducer 25 links to each other with force bearing plate 28, be fixed with rack sleeve 29 on the force bearing plate 28, between the upper and lower end face of clamp 19 and the voussoir 20 catch 21 is installed, be used to prevent that voussoir 20 from freely skidding off clamp 19, the power lead of strain pressure transducer 25 and signal wire are introduced sensor electrical cable joint 26.
As shown in figure 12, when adopting this measurement device elevator governor action tension force: operating electrical machines 11 clockwise rotates, motor speed changes rotating torque by deceleration torque converter 13, and then driven gear rotates synchronously, meshing drive tooth bar 14 moves downward along tooth bar guide rail 16, after rack sleeve 29 is inserted in the following cylinder top of tooth bar 14, loading force has just been passed to the wire rope anchor clamps, after thereby internal stress that loading force has overcome wire rope 30 makes that wire rope 30 is approximately rigid body, the loading force that passes over will further make wire rope 30 overcome the stiction between itself and governor sheave internal groove side wall, after loading force increases to the stiction that certain value overcome maximum wire rope 30, friction between wire rope 30 and governor sheave internal groove side wall becomes sliding friction, wire rope 30 is made slide displacement downwards, this moment strain force sensor 25 to measure be that value is exactly that elevator governor moves the value of tension force.
This embodiment measures a kind of preferred version of the measurement device elevator safety gear action pulling force of elevator governor action tension force and safety tongs action pulling force for the utility model is a kind of.
In the present embodiment, being provided with of whole device as shown in figure 13 is basic identical with embodiment 1, and just electric machine assembly is positioned at the below of wire rope anchor clamps.One end of channel-section steel crossbeam 4 is fixed on the cage guide 31 by rail clamp 1.Rail clamp 1 is clamped on the cage guide 31 by first puller bolt 2, and channel-section steel crossbeam 4 is fixedly connected on the rail clamp 1 by set bolt 3.Platform 33 is fixedlyed connected with base sleeve 6, and base sleeve 6 is enclosed within on the channel-section steel crossbeam 4, and second puller bolt 8 is used for locating platform 33.Motor slide rails 7 is fixed on the platform 33 by fastening bolt 9.Base plate 10 is slidingly connected with motor slide rails 7.Motor 11 is located on the base plate 10, deceleration torque converter 13 is located on the base plate 10 by support member 12, motor 11 and deceleration torque converter 13 connect, gear 17 is fastened on drawing on the axle of deceleration torque converter 13 by axle sleeve 15, and tooth bar 14 is spacing fixing via tooth bar guide rail 16, effectively meshes with gear 17, tooth bar guide rail 16 vertical fixing are on base plate 10, two ends of tooth bar 14 are cylindric top, and it can embed in the rack sleeve of wire rope anchor clamps, and the cable splice 18 of electric machine assembly is used to connect extraneous control line.
Handle 23 is used to screw fishbolt 22, and fishbolt 22 is used for clamp 19 and voussoir are clamped in wire rope 30, and catch 21 is used for preventing that voussoir is from clamp 19 landings.The outside of clamp 19 is connected with second force block 24 of sensor module, first force block 27 on the strain pressure transducer 25 links to each other with force bearing plate 28, be fixed with rack sleeve 29 on the force bearing plate 28, the power lead of strain pressure transducer 25 and signal wire are introduced sensor electrical cable joint 26.During measurement, operating electrical machines 11 rotates counterclockwise, motor speed slows down by deceleration torque converter 13, and then driven gear rotates synchronously, gear driven tooth bar 14 moves down along tooth bar guide rail 16, rack sleeve 29 is inserted in last cylindric top until tooth bar 14, this moment, loading force was passed to the wire rope anchor clamps, the wire rope anchor clamps drive speed limiter wire rope 30 and move upward, overcome the internal stress of wire rope 30 when moving displacement, after making that wire rope 30 is approximately the rigidity body, the loading force that passes over just is used for spurring the elevator safety gear connecting rod, then by connecting rod pulling elevator safety gear voussoir, when loading force can be carried the safety tongs voussoir, the value that this moment, strain pressure transducer 25 recorded was exactly an elevator safety gear action pulling force.
This shows that the utility model is simple in structure, be convenient to install and operation, and the measuring accuracy height, good implementation result had.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (9)
1. device of measuring elevator governor action tension force and safety tongs action pulling force is characterized in that comprising:
One load crossbeam;
One rail clamp is located at an end of described load crossbeam, is slidingly connected with cage guide;
One electric machine assembly is located on the described load crossbeam, and described electric machine assembly comprises:
One base sleeve is placed in the other end of described load crossbeam, and described base sleeve is positioned on the load crossbeam by bolt;
One platform is fixed at the upper surface of described base sleeve;
One motor is fixed on the described base plate;
One deceleration torque converter is fixed on the described platform by a support member, and described deceleration torque converter is fixedlyed connected with described motor;
One gear is connected with described deceleration torque converter by an axle sleeve;
One tooth bar guide rail be arranged in parallel with elevator speed limiter wire rope, and vertical fixing is on described platform;
One tooth bar, spacing fixing by described tooth bar guide rail, and with described gearing mesh, the two ends of described tooth bar are respectively equipped with a top;
One wire rope anchor clamps are clipped on the elevator speed limiter wire rope, and described wire rope anchor clamps comprise:
One clamp is clipped on the elevator speed limiter wire rope by a fishbolt;
One handle is fixedlyed connected with described fishbolt;
One is located at the sensor module between described electric machine assembly and the wire rope anchor clamps, and described sensor module comprises:
One force transducer;
Two force-bearing pieces, be located at the two ends up and down of described force transducer respectively, contact is connected described two force-bearing pieces with clamp with described dynamo-electric assembly respectively, with be fixed with a rack sleeve on the force-bearing piece that electric machine assembly contact is connected, described rack sleeve is placed on the top of described tooth bar end, and described force transducer detects the suffered force value of force-bearing piece in real time.
2. the device of measurement elevator governor action tension force as claimed in claim 1 and safety tongs action pulling force is characterized in that described electric machine assembly is located at the top of described wire rope anchor clamps.
3. the device of measurement elevator governor action tension force as claimed in claim 1 and safety tongs action pulling force is characterized in that described electric machine assembly is located at the below of described wire rope anchor clamps.
4. as the device of any described measurement elevator governor action tension force and safety tongs action pulling force among the claim 1-3, it is characterized in that described electric machine assembly comprises: one is located at the base plate between described motor and the platform; A pair of motor slide rails is fixed at the two ends, the left and right sides of described platform upper surface, and the left and right sides end face of described motor slide rails and described base plate is slidingly connected.
5. the device of measurement elevator governor as claimed in claim 4 action tension force and safety tongs action pulling force is characterized in that described force-bearing piece comprises that one has the force block of internal thread hole, and a force bearing plate that is rotatably connected by bolt and described force block.
6. the device of measurement elevator governor action tension force as claimed in claim 5 and safety tongs action pulling force, it is characterized in that, be provided with a voussoir in the described clamp, the surface of contact of described voussoir and described elevator speed limiter wire rope is the arc column face, and voussoir clamps elevator speed limiter wire rope by described fishbolt.
7. the device of measurement elevator governor as claimed in claim 6 action tension force and safety tongs action pulling force is characterized in that, described clamp and voussoir be respectively equipped with a catch up and down between the both ends of the surface.
8. the device of measurement elevator governor action tension force as claimed in claim 7 and safety tongs action pulling force is characterized in that described load crossbeam is the channel-section steel crossbeam.
9. the device of measurement elevator governor action tension force as claimed in claim 8 and safety tongs action pulling force is characterized in that described force transducer is a strain pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202129365U CN201622143U (en) | 2009-12-11 | 2009-12-11 | Device for measuring movement tension of speed limiter for elevator and movement tensile force of safety tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202129365U CN201622143U (en) | 2009-12-11 | 2009-12-11 | Device for measuring movement tension of speed limiter for elevator and movement tensile force of safety tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201622143U true CN201622143U (en) | 2010-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202129365U Expired - Fee Related CN201622143U (en) | 2009-12-11 | 2009-12-11 | Device for measuring movement tension of speed limiter for elevator and movement tensile force of safety tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201622143U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944394A (en) * | 2012-10-23 | 2013-02-27 | 广州日滨科技发展有限公司 | Speed governor testing device |
| CN105668368A (en) * | 2016-04-06 | 2016-06-15 | 巨立电梯股份有限公司 | Device for detecting pulling force of safety tongs |
| CN107421674A (en) * | 2017-06-22 | 2017-12-01 | 赤峰市特种设备检验所 | Power and drop-down force tester are lifted on a kind of elevator governor rope |
| WO2019149539A1 (en) * | 2018-02-02 | 2019-08-08 | Inventio Ag | Testing a speed limiter |
-
2009
- 2009-12-11 CN CN2009202129365U patent/CN201622143U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944394A (en) * | 2012-10-23 | 2013-02-27 | 广州日滨科技发展有限公司 | Speed governor testing device |
| CN105668368A (en) * | 2016-04-06 | 2016-06-15 | 巨立电梯股份有限公司 | Device for detecting pulling force of safety tongs |
| CN105668368B (en) * | 2016-04-06 | 2018-05-18 | 巨立电梯股份有限公司 | A kind of detection device of safety tongs lifting power |
| CN107421674A (en) * | 2017-06-22 | 2017-12-01 | 赤峰市特种设备检验所 | Power and drop-down force tester are lifted on a kind of elevator governor rope |
| CN107421674B (en) * | 2017-06-22 | 2023-09-22 | 内蒙古自治区特种设备检验研究院赤峰分院 | Lift-up tension and pull-down tension tester for elevator speed limiter rope |
| WO2019149539A1 (en) * | 2018-02-02 | 2019-08-08 | Inventio Ag | Testing a speed limiter |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20161211 |