CN105668368B - A kind of detection device of safety tongs lifting power - Google Patents
A kind of detection device of safety tongs lifting power Download PDFInfo
- Publication number
- CN105668368B CN105668368B CN201610209473.1A CN201610209473A CN105668368B CN 105668368 B CN105668368 B CN 105668368B CN 201610209473 A CN201610209473 A CN 201610209473A CN 105668368 B CN105668368 B CN 105668368B
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- China
- Prior art keywords
- safety tongs
- locating support
- tension meter
- electronic tension
- detection device
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Classifications
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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
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
- B66B5/0093—Testing of safety devices
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- Force Measurement Appropriate To Specific Purposes (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The present invention relates to elevator safety gear technical field more particularly to a kind of detection device of safety tongs lifting power, which includes electronic tension meter, and the draw ring of electronic tension meter is connected with to connect the suspending assembly of safety tongs lifting pin；Electronic tension meter is connected with locating support, and locating support includes the card slot for being connect in succession with underbeam linkage axis fixing plate top card.A kind of detection device of safety tongs lifting power provided by the invention, measurement method and benchmark are unified, the direction that the height lifted upwards lifts is fixed, error rate is low, and DATA REASONING is more accurate, ensure that the reliability of product, simultaneously, it is simple to operate, without manually carrying out lifting operation for a long time, improve measurement efficiency.
Description
Technical field
The present invention relates to elevator safety gear technical field more particularly to a kind of detection devices of safety tongs lifting power.
Background technology
In elevator structure, safety tongs is a kind of mechanical device for making lift car stop motion, and limiter of speed is a kind of limit
The device of elevator car speed processed, safety tongs and limiter of speed teamwork are just worked.
Specifically when car speeding, limiter of speed action, the frictional force generated by the tensioning of speed limiter wire rope makes limit
Fast device wire rope pulling safety tongs lifts point, and pull-up safety tongs wedge, clamping guide rail by wedge stops car.
Safety tongs malfunctions in order to prevent during elevator normal operation, and there is provided torsional springs, and safety tongs wedge is kept by torsional spring
Position is fixed.Concrete structure is, as shown in Figure 1, the one side of safety tongs sets underbeam linkage axis fixing plate 1 ', underbeam universal driving shaft is consolidated
It is worn on fixed board 1 ' and is connected to universal driving shaft 2 ', wherein, the end of universal driving shaft 2 ' is equipped with rotatable lifting rod 3 ', is set on lifting rod 3 '
Safety tongs lifts pin 4 ', and safety tongs lifting pin 4 ' is connected with speed limiter wire rope, and torsional spring is socketed on universal driving shaft, is linked in underbeam
Axis fixing plate 1 ' is equipped with multiple torsional spring torque magnitude adjustment holes 5 '.In use, the part pulling force that the steel wire rope of limiter of speed provides
The torsion of counteracting torsional spring is needed, and pulls on safety tongs (i.e. the actually required lifting power of safety tongs), stops car.Such knot
In structure, if torsional spring power is excessive, the lifting power of the offer of limiter of speed is inadequate, and safety tongs cannot be acted reliably, and there are security risks.
If torsional spring power is too small, the inertia of speed limiter system may cause the malfunction of safety tongs wedge.
Therefore, in the case where torsional spring torsion is constant, the lifting power of safety tongs will carry out stringent control, at present, commonly use
Measurement method be using manual measurement, record relevant data by manually lifting measurement, still, manually directly measurement
Lifting power, there are the following problems：
1. lifting height is different with angle, without the control of specification, causing data, there are errors；
2. lifting, power is larger, and manual operation is time-consuming and laborious；
3. manually need to carry out data record while lifting, one man operation, more arduously, more people operate increase manually into
This.
The content of the invention
It is in the prior art to solve it is an object of the invention to propose a kind of detection device of safety tongs lifting power
Using manual operation, measurement there is technical issues that error,.
For this purpose, the present invention uses following technical scheme：
A kind of detection device of safety tongs lifting power, including electronic tension meter, the draw ring of the electronic tension meter is connected with
For connecting the suspending assembly of safety tongs lifting pin；
Locating support is connected at the top of the electronic tension meter, the locating support includes consolidating with underbeam universal driving shaft
The clip assembly of connection at the top of fixed board.
Further, the clip assembly includes the card slot that at least one notch is set downward.
Further, the suspending assembly includes connecting plate, and the connecting plate is equipped with the drawing with the electronic tension meter
The connecting hole of ring connection, the connecting plate are equipped with container.
Further, the locating support is plate-like, and the locating support is equipped with mounting hole, and the locating support is just
Face fits with the electronic tension meter, and the electronic tension meter is equipped with the slot being adapted with the mounting hole, the card
Slot is arranged on the top at the back side of the locating support.
Further, the mounting hole there are four being set on the locating support, four rectangular distributions of mounting hole, institute
It states and fixing bolt is connected on mounting hole.
Further, the connecting plate is mutually parallel with underbeam linkage axis fixing plate, the connecting plate and the electricity
Sub- tensiometer is located on same section.
Further, the back side of the locating support be equipped with two pieces of symmetrically arranged raised plates, the raised plate with it is described
The back side vertical connection of locating support, the card slot are arranged in the raised plate.
Further, the container is oblique, and the opening of the container is arranged on a side of the connecting plate
On.
The detection device of a kind of safety tongs lifting power provided by the invention, in use, electronic tension meter and safety tongs are carried
Pin connection is drawn, afterwards, electronic tension meter is lifted upwards so that the clip assembly of locating support can be connected to underbeam universal driving shaft
In fixed plate, after locating support clamping, operator can unclamp hand, and electronic tension meter carries out after being moving upward a distance
It is fixed, at this point, the numerical value shown on electronic tension meter, is the lifting power needed for safety tongs action.
The safety tongs lifts the detection device of power, has unified measurement method and benchmark, i.e., the height that lifts upwards and carries
The direction of drawing is fixed, and error rate is low, and DATA REASONING is more accurate, ensure that the reliability of product, meanwhile, it is easy to operate
It is convenient, without manually carrying out lifting operation for a long time, improve measurement efficiency.
Description of the drawings
Fig. 1 is the structural scheme of mechanism at safety tongs in the prior art；
Fig. 2 is the structure diagram of the detection device of safety tongs lifting power provided in an embodiment of the present invention；
Fig. 3 is the structure diagram of the locating support of the detection device of safety tongs lifting power provided in an embodiment of the present invention；
Fig. 4 is the usage state diagram of the detection device of safety tongs lifting power provided in an embodiment of the present invention.
In figure：
1st, electronic tension meter；2nd, safety tongs lifting pin；3rd, locating support；4th, underbeam linkage axis fixing plate；5th, card slot；6th, even
Fishplate bar；7th, container；8th, mounting hole.
Specific embodiment
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
As in Figure 2-4, the detection device of a kind of safety tongs lifting power, including electronic tension meter 1, electronic tension meter 1
Draw ring is connected with to connect the suspending assembly of safety tongs lifting pin 2；
The top of electronic tension meter 1 is connected with locating support 3, and locating support 3 includes linking axis fixing plate 4 with underbeam
The clip assembly of top connection.
Specifically, during test, suspending assembly is to simulate the steel wire rope of limiter of speed to the lifting power of connection safety tongs lifting pin 2
Tensile force, wherein, the size of the tensile force cannot be less than the higher value in following two numerical value, i.e. safety tongs works required power
Twice or 300N.The detection device of power is lifted by the safety tongs, accurate safety tongs can be measured and worked required power
Numerical value, so as to calculate the relevant numerical value that steel wire tensioning power should meet.
Clip assembly includes the card slot that at least one notch is set downward.The effect of clip assembly is connected to underbeam linkage
Axis fixing plate, preferred structure are notch.
Suspending assembly includes connecting plate 6, and connecting plate 6 is equipped with the connecting hole being connected with the draw ring of electronic tension meter 1, connection
Plate 6 is equipped with container 7.
Suspending assembly is with the structure presence of plate, the axis fixing plate in use, underbeam that itself and electronic tension meter 1 are installed links
4 are mutually parallel, and therefore, are connected to after being lifted up and fixing, and can keep the parastate with underbeam linkage axis fixing plate 4,
The phenomenon that spinning is avoided the occurrence of, reduces the situation of the unhook of container 7, it is more efficient during measurement.
Meanwhile for Split type structure between the draw ring of connecting plate 6 and electronic tension meter 1, fast assembling-disassembling can be realized in the two, and
Split type structure the space occupied is smaller, and storage is facilitated to carry.
Locating support 3 is plate-like, and locating support 3 is equipped with mounting hole 8, front and 1 phase of electronic tension meter of locating support 3
Fitting, electronic tension meter 1 are equipped with the slot being adapted with mounting hole 8, and card slot 5 is arranged on the top at the back side of locating support 3.
It is detachably connected between locating support 3 and electronic tension meter 1, facilitates maintenance and repair of the later stage to electronic tension meter 1,
Wherein, the effect of card slot 5 is connected on underbeam linkage axis fixing plate 4, the thickness of 5 width of card slot and underbeam linkage axis fixing plate 4
Degree is adapted, and after card slot 5 is clamped, can provide electronic tension meter 1 stable support, electronic tension meter 1 is fixed on underbeam linkage
On axis fixing plate 4, in stable state, so as to read accurate measured value.
Preferably, set on locating support 3 there are four mounting hole 8, four 8 rectangular distributions of mounting hole, connected on mounting hole 8
There is fixing bolt.
In use, need hand hoisting electronic tension meter 1, still, then without continuing manually to operate during measurement, therefore,
In order to avoid generating opposite dislocation between locating support 3 and electronic tension meter 1, using four mounting holes 8 by locating support 3 with
Electronic tension meter 1 connects, wherein, four 8 rectangular distributions of mounting hole, such mode has good positioning to locating support 3
Effect avoids the locating support 3 for using and generating for a long time from loosening phenomena such as misplacing with electronic tension meter 1, keeps unified survey
Amount standard.
Connecting plate 6 is mutually parallel with underbeam linkage axis fixing plate 4, and connecting plate 6 and electronic tension meter 1 are located at same section
On.
When electronic tension meter 1 is lifted up, electronic tension meter 1 and connecting plate 6 can be inclined, when fixing bracket is consolidated
After being scheduled on underbeam linkage axis fixing plate 4, electronic tension meter 1 and connecting plate 6 are in unified section, which consolidates with underbeam universal driving shaft
Fixed board 4 is mutually parallel, and in plumbness, at this point, being more conducive to measure accurately numerical value, reduces error.
The back side of locating support 3 is equipped with two pieces of symmetrically arranged raised plates, and raised plate is vertical with the back side of locating support 3 to be connected
It connects, card slot 5 is arranged in raised plate.
Two raised plates on locating support 3 are set, are respectively provided with groove in two raised plates, i.e., including two supporting points,
When locating support 3 is connected with underbeam linkage axis fixing plate 4, there are two fulcrums to be supported, it can be ensured that locating support 3 is right
Electronic tension meter 1 support it is more stable, meanwhile, two fulcrums are located along the same line, it can be ensured that electronic tension meter 1 fix when
Angle can keep its vertical efficiency.
Container 7 it is oblique, container opening arranged on connecting plate 6 a side on.The notch of container is set
It is convenient to be connected with safety tongs lifting pin 2 in the one side of connecting plate 6, meanwhile, it is arranged to the skewed probability that can reduce unhook.
When specifically used, first locating support 3 is fixedly connected with electronic tension meter 1, by connecting plate 6 and electronic tension meter 1
Draw ring connection, afterwards, the container of connecting plate 6 is connected on safety tongs lifting pin 2, at this point, completing the detection device and peace
The connection clamped entirely.Electronic tension meter 1 is lifted up to the position of 50mm, card slot 5 is connected on underbeam linkage axis fixing plate 4, reads
The numerical value and record on electronic tension meter 1 are taken, which is the lifting power needed for safety tongs.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention cannot be construed in any way.Based on explanation herein, the technology of this field
Personnel would not require any inventive effort the other specific embodiments that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (6)
1. a kind of detection device of safety tongs lifting power, which is characterized in that including electronic tension meter（1）, the electronic tension meter
（1）Draw ring be connected with to connect safety tongs lifting pin（2）Suspending assembly；
The electronic tension meter（1）Top be connected with locating support（3）, the locating support（3）Including being used to join with underbeam
Moving axis fixed plate（4）The clip assembly of top connection；
The suspending assembly is plate, including connecting plate（6）, the connecting plate（6）It is equipped with and the electronic tension meter（1）'s
The connecting hole of draw ring connection, the connecting plate（6）It is equipped with container（7）；
The container（7）Obliquely, the container（7）Opening be arranged on the connecting plate（6）A side on.
2. the detection device of safety tongs lifting power according to claim 1, which is characterized in that the clip assembly is included extremely
The card slot that a few notch is set downward（5）.
3. the detection device of safety tongs lifting power according to claim 2, which is characterized in that the locating support（3）It is in
Plate, the locating support（3）It is equipped with mounting hole（8）, the locating support（3）It is positive with the electronic tension meter（1）
It fits, the electronic tension meter（1）It is equipped with and the mounting hole（8）The slot being adapted, the card slot（5）Arranged on described
Locating support（3）The back side top.
4. the detection device of safety tongs lifting power according to claim 3, which is characterized in that the locating support（3）On
If there are four the mounting holes（8）, four mounting holes（8）Rectangular distribution, the mounting hole（8）On be connected with fixed spiral shell
Bolt.
5. the detection device of safety tongs lifting power according to claim 1, which is characterized in that the connecting plate（6）With institute
State underbeam linkage axis fixing plate（4）It is mutually parallel, the connecting plate（6）With the electronic tension meter（1）On same section.
6. the detection device of safety tongs lifting power according to claim 2, which is characterized in that the locating support（3）'s
The back side is equipped with two pieces of symmetrically arranged raised plates, the raised plate and the locating support（3）Back side vertical connection, the card
Slot（5）In the raised plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610209473.1A CN105668368B (en) | 2016-04-06 | 2016-04-06 | A kind of detection device of safety tongs lifting power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610209473.1A CN105668368B (en) | 2016-04-06 | 2016-04-06 | A kind of detection device of safety tongs lifting power |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105668368A CN105668368A (en) | 2016-06-15 |
| CN105668368B true CN105668368B (en) | 2018-05-18 |
Family
ID=56308530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610209473.1A Active CN105668368B (en) | 2016-04-06 | 2016-04-06 | A kind of detection device of safety tongs lifting power |
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| Country | Link |
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| CN (1) | CN105668368B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114955773B (en) * | 2022-06-23 | 2023-05-26 | 日立楼宇技术（广州）有限公司 | Debugging equipment and debugging method for progressive safety tongs lifting mechanism of elevator |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2804621A1 (en) * | 1978-02-03 | 1979-08-09 | Gutehoffnungshuette Sterkrade | Mine shaft lift rope clamp monitor - has detector to measure tension which is adjusted by hydraulic actuator |
| CN2922062Y (en) * | 2006-04-26 | 2007-07-11 | 黄铭贤 | Suspension device |
| CN101126682A (en) * | 2007-09-29 | 2008-02-20 | 北京建筑机械化研究院 | Two-in-one limiter test platform and test method for determining speed and force |
| CN201053909Y (en) * | 2007-06-28 | 2008-04-30 | 上海永大电梯设备有限公司 | Safe pliers debugging pressure test device |
| CN201281217Y (en) * | 2008-10-24 | 2009-07-29 | 张亚辉 | Flat-plate television rack |
| CN201622143U (en) * | 2009-12-11 | 2010-11-03 | 上海市特种设备监督检验技术研究院 | Device for measuring movement tension of speed limiter for elevator and movement tensile force of safety tongs |
| CN101968296A (en) * | 2010-10-26 | 2011-02-09 | 合肥美的荣事达电冰箱有限公司 | Door suspending rack for refrigerator |
| CN102735540A (en) * | 2011-04-01 | 2012-10-17 | 亚旭电子科技(江苏)有限公司 | Tensile test 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 |
-
2016
- 2016-04-06 CN CN201610209473.1A patent/CN105668368B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2804621A1 (en) * | 1978-02-03 | 1979-08-09 | Gutehoffnungshuette Sterkrade | Mine shaft lift rope clamp monitor - has detector to measure tension which is adjusted by hydraulic actuator |
| CN2922062Y (en) * | 2006-04-26 | 2007-07-11 | 黄铭贤 | Suspension device |
| CN201053909Y (en) * | 2007-06-28 | 2008-04-30 | 上海永大电梯设备有限公司 | Safe pliers debugging pressure test device |
| CN101126682A (en) * | 2007-09-29 | 2008-02-20 | 北京建筑机械化研究院 | Two-in-one limiter test platform and test method for determining speed and force |
| CN201281217Y (en) * | 2008-10-24 | 2009-07-29 | 张亚辉 | Flat-plate television rack |
| CN201622143U (en) * | 2009-12-11 | 2010-11-03 | 上海市特种设备监督检验技术研究院 | Device for measuring movement tension of speed limiter for elevator and movement tensile force of safety tongs |
| CN101968296A (en) * | 2010-10-26 | 2011-02-09 | 合肥美的荣事达电冰箱有限公司 | Door suspending rack for refrigerator |
| CN102735540A (en) * | 2011-04-01 | 2012-10-17 | 亚旭电子科技(江苏)有限公司 | Tensile test 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 |
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| Publication number | Publication date |
|---|---|
| CN105668368A (en) | 2016-06-15 |
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