CN204150834U - Elevator no-load equilibrium factor detecting device - Google Patents

Elevator no-load equilibrium factor detecting device Download PDF

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Publication number
CN204150834U
CN204150834U CN201420516482.1U CN201420516482U CN204150834U CN 204150834 U CN204150834 U CN 204150834U CN 201420516482 U CN201420516482 U CN 201420516482U CN 204150834 U CN204150834 U CN 204150834U
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CN
China
Prior art keywords
clamp
fixture
pulling force
actuating cylinder
elevator
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Application number
CN201420516482.1U
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Chinese (zh)
Inventor
谢超
王伟雄
武星军
王新华
刘英杰
蔡少林
孙学礼
陈诲
李中兴
李刚
林创鲁
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广州特种机电设备检测研究院
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Priority to CN201410425679 priority Critical
Priority to CN201410425679.9 priority
Application filed by 广州特种机电设备检测研究院 filed Critical 广州特种机电设备检测研究院
Priority to CN201420516482.1U priority patent/CN204150834U/en
Application granted granted Critical
Publication of CN204150834U publication Critical patent/CN204150834U/en

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Abstract

The utility model provides a kind of elevator no-load equilibrium factor detecting device, and comprise fixture, hydraulic pressure cylinder assembly, lower clamp and pulling force sensor, described upper fixture is arranged on the top of described hydraulic pressure cylinder assembly, for clamping the top of selected traction ran; Described hydraulic pressure cylinder assembly, for realizing the lifting to described lower clamp; Described lower clamp, is arranged on the below of described hydraulic pressure cylinder assembly, for clamping the bottom of selected traction ran; Described pulling force sensor, for measuring the pulling force of described hydraulic pressure cylinder assembly.The utility model adopts hydraulic pressure cylinder assembly as load-measuring device, take full advantage of the working stability of hydraulic pressure cylinder assembly and the feature of reliability, the detecting device that the utility model is provided has the high advantage of simple to operate and safe operation process performance, and the measure data precision that obtains of hydraulic pressure cylinder assembly is higher simultaneously.

Description

Elevator no-load equilibrium factor detecting device
Technical field
The utility model relates to elevator detection technique field, and specifically, the utility model is in particular to a kind of elevator no-load equilibrium factor detecting device.
Background technology
Equilibrium factor is the important performance indexes that traction-type drives elevator, is related to elevator running performance and hoisting motor horsepower output (energy consumption) size.China about has 400,000 new elevators to install and use every year, and wherein, traction elevator accounts for more than 90%, and the every portion of the new elevator of these traction-types all will carry out the testing and debugging of equilibrium factor, and equilibrium factor qualified just allows place in operation.In addition, increasing user decorates elevator, and Lift car decoration has influence on the change of equilibrium factor, must carry out redeterminating of equilibrium factor.Therefore, equilibrium factor detect be elevator industry one amount large, wide, require high technical work.But existing equilibrium factor method of inspection complex operation, error are large, have and more or less limit.
The balance coefficient of elevator method of inspection has the load method of inspection and the no-load method of inspection by there being no-load to be divided into.The equilibrium factor method of inspection of existing elevator inspection rule, hand turning method have the method for inspection of carrying, and such method of inspection need carry counterweight repeatedly, and labour intensity is large, detects production time long.The elevator method of inspection is dynamic or static be divided into dynamic check method and static check method by elevator during inspection.The method of measurement etc. of the method for measurement of the equilibrium factor of Anhui Special Equipment Test Inst's research and development, the equilibrium factor of Liaoming Petrochemical Univ's research and development is all the static method of inspection.Dynamic check method, testing result not only contains the weight difference of traction sheave cage side and counterweight-side, and also have the friction drag that the operating car of elevator leads boots, counterweight-side leads boots etc., dynamic check method testing result is the operating dynamic data of elevator.The existing balance coefficient of elevator method of inspection also do not have a kind of can realize no-load simultaneously and sound state combine the method for inspection.
Our company applied on April 24th, 2012, application number is CN201210121058.2, denomination of invention is the patent of invention (authorizing) of balance coefficient of elevator detecting device and method of inspection, no-load can be realized, the detection of the balance coefficient of elevator that sound state combines, the balance coefficient of elevator detecting device of this patent of invention comprises the first fixture block, second fixture block, fastening assembly, cable traction device, tether assemblies and force indicator, according to said structure, the detection of balance coefficient of elevator can be realized by simple structure, its structure is simple, cost is very low, be easy to realize, and owing to not needing to carry counterweight, do not need to measure electric current yet, voltage etc. are easy to the information receiving external interference, so, it is efficient, convenient, labour intensity is low, the data obtained are comparatively reliable.In this patent of invention, tether assemblies comprises line guide (i.e. support and pulley) and rope, rope is coordinated the lifting realizing the second fixture block with pulley, and then realize the detection of balance coefficient of elevator, but in specific operation process, there will be pulley and do not rotate, rope slipping, rope is fixed unreliable, and there is the problems such as lift biasing force.Moreover, the first fixture block of this patent and the clamping face of the second fixture block thinner, although be provided with many covers rope sling, slippage situation has still been existed to the clamping of hoist ropes.
Utility model content
The purpose of this utility model is to provide a kind of elevator no-load equilibrium factor detecting device, there is unreliability and occur the problems such as unbalance loading with the detecting device at least solving prior art, and solve existing detecting device further and there is the problems such as hoist ropes slippage.
In order to solve the problem, the utility model provides a kind of elevator no-load equilibrium factor detecting device, and its technical scheme is as follows:
A kind of elevator no-load equilibrium factor detecting device, comprises fixture, hydraulic pressure cylinder assembly, lower clamp and pulling force sensor; Described upper fixture is arranged on the top of described hydraulic pressure cylinder assembly, for clamping the top of selected traction ran; Described hydraulic pressure cylinder assembly, for realizing the lifting to described lower clamp; Described lower clamp, is arranged on the below of described hydraulic pressure cylinder assembly, for clamping the bottom of selected traction ran; Described pulling force sensor, for measuring the pulling force of described hydraulic pressure cylinder assembly.
Preferably, in described elevator no-load equilibrium factor detecting device, also comprise digital display device, described digital display device is connected with described pulling force sensor, for showing the value of thrust of described pulling force sensor.
Preferably, in described elevator no-load equilibrium factor detecting device, described upper fixture to comprise on first fixture on fixture and second, and the top of selected traction ran is on first on fixture and second between fixture; Described lower clamp comprises the first lower clamp and the second lower clamp, and the bottom of selected traction ran is between described first lower clamp and the second lower clamp.
Preferably, in described elevator no-load equilibrium factor detecting device, described hydraulic pressure cylinder assembly comprises hydraulic actuating cylinder backboard, hydraulic actuating cylinder and hydraulic actuating cylinder baffle plate; Described hydraulic actuating cylinder is arranged between described hydraulic actuating cylinder backboard and hydraulic actuating cylinder baffle plate; Described hydraulic actuating cylinder baffle plate is arranged on the top of described lower clamp; Described hydraulic actuating cylinder backboard is arranged on the bottom of described upper fixture.
Preferably, in described elevator no-load equilibrium factor detecting device, described hydraulic actuating cylinder is that inversion type is placed, and the cylinder body of described hydraulic actuating cylinder is arranged on described hydraulic actuating cylinder backboard, and the hydraulic stem of described hydraulic actuating cylinder is arranged on described hydraulic actuating cylinder baffle plate.
Preferably, in described elevator no-load equilibrium factor detecting device, described pulling force sensor is contact pulling force sensor or contactless pulling force sensor; When pulling force sensor is contact pulling force sensor, described pulling force sensor is arranged between described upper fixture and hydraulic actuating cylinder backboard or is arranged between described lower clamp and hydraulic actuating cylinder baffle plate.
Preferably, in described elevator no-load equilibrium factor detecting device, connecting screw rod assembly and sensor screw is also comprised; When described pulling force sensor is contact pulling force sensor, described connecting screw rod assembly and sensor screw are arranged on the two ends of described pulling force sensor respectively; Described pulling force sensor be arranged on described between fixture and hydraulic actuating cylinder backboard time, described sensor screw is arranged on described hydraulic actuating cylinder backboard, and described connecting screw rod assembly is arranged on described upper fixture; When described pulling force sensor is arranged between described lower clamp and hydraulic actuating cylinder baffle plate, described sensor screw is arranged on described hydraulic actuating cylinder baffle plate, and described connecting screw rod assembly is arranged on described lower clamp.
Preferably, in described elevator no-load equilibrium factor detecting device, described hydraulic pressure cylinder assembly is two groups, and described pulling force sensor is two; Wherein hydraulic pressure cylinder assembly described in a group to be arranged on described first between fixture and the first lower clamp, another is organized described hydraulic pressure cylinder assembly and is arranged on described second between fixture and the second lower clamp, and two described pulling force sensors are respectively used to the pulling force of hydraulic pressure cylinder assembly described in measurement two groups.
Preferably, in described elevator no-load equilibrium factor detecting device, also comprise: organize fastening assembly, described fastening assembly comprises bolt and bolt fastener more, described bolt fastener and described bolt are spirally connected, and are respectively used to apply Clamping force to described upper fixture and lower clamp.
Preferably, in described elevator no-load equilibrium factor detecting device, also comprise polylith friction plate, described friction plate is provided with holding tank that multiple tracks and hoist ropes match and on this holding tank, is provided with multiple tracks and to rub line; On described first, on fixture, second, the clamping face center of fixture, the first lower clamp and the second lower clamp is provided with groove, makes the holding tank of described friction plate clamp hoist ropes in the groove that described friction plate is embedded in fixture, the first lower clamp and the second lower clamp on fixture, second on described first.
Analyze known, compared with prior art, first the utility model improves load-measuring device, changed into hydraulic pressure cylinder assembly by cable traction device of the prior art with tether assemblies, in use, the unreliability that the pulley that hydraulic pressure cylinder assembly overcomes tether assemblies in prior art occurs (is mainly reflected in pulley not rotate, rope slipping, rope is fixed unreliable, there is lift biasing force etc.), and overcome the problem that prior art middle pulley easily produces unbalance loading simultaneously.Hydraulic actuating cylinder in hydraulic pressure cylinder assembly adopts inversion type to arrange by the utility model simultaneously, in measurement process, reduces the whole height of detecting device.
Moreover, the utility model also improves test fixture, increase fixture and the area of contact between lower clamp and hoist ropes, further increase reliability and the safety of detecting device, the utility model also add friction plate (i.e. preset fixture) simultaneously, by the friction force between friction plate and hoist ropes, ensure that the Clamping force to hoist ropes.
The utility model compared with prior art, tool has the following advantages: the utility model have employed the detection that a kind of new technical scheme realizes elevator no-load equilibrium factor, specifically, cable traction device of the prior art and tether assemblies is instead of with hydraulic pressure cylinder assembly, in use, the unreliability that the pulley that hydraulic pressure cylinder assembly overcomes tether assemblies in prior art occurs, and overcome the problem that prior art middle pulley easily produces unbalance loading simultaneously.The utility model adopts hydraulic pressure cylinder assembly, take full advantage of the advantage of its working stability and reliability, the detecting device that the utility model is provided has the high advantage of simple to operate and safe operation process performance, and the measure data precision that obtains of hydraulic pressure cylinder assembly is higher simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model preferred embodiment.
Fig. 2 is the schematic diagram that the utility model detects the installing condition of the balance coefficient of elevator detecting device of car.
Fig. 3 is the structural representation of the preset fixture of the utility model preferred embodiment.
Fig. 4 is the back view of Fig. 3.
In figure, the upper fixture of 1-; Fixture on 11-first; Fixture on 12-second; 2-hydraulic pressure cylinder assembly; 21-hydraulic actuating cylinder backboard; 22-hydraulic actuating cylinder; 23-hydraulic actuating cylinder baffle plate; 3-lower clamp; 31-first lower clamp; 32-second lower clamp; 4-pulling force sensor; 41-connecting screw rod assembly; 411-screw rod; 412-nut; 42-sensor screw; 5-steel rope; 6-friction plate; 61-holding tank; 611-rubs line; 62-mounting hole; 7-fastening assembly; 91-lift car; 92-counterweight.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
As indicated with 1, the preferred embodiment of elevator no-load equilibrium factor detecting device of the present utility model comprises fixture 1, load-measuring device, lower clamp 3 and pulling force sensor 4; Upper fixture 1 is arranged on the top of load-measuring device, for clamping the top of selected traction ran; Lower clamp 3 is arranged on the below of load-measuring device, for clamping the bottom of selected traction ran; Pulling force sensor 4 is for measuring the pulling force of load-measuring device.Wherein, hoist ropes can be such as steel rope 5 etc.
In order to improve the Stability and veracity of measurement, load-measuring device is hydraulic pressure cylinder assembly 2.
For the ease of checking the value of thrust of hydraulic pressure cylinder assembly 2, the utility model preferred embodiment also comprises digital display device, and digital display device is connected with pulling force sensor 4.
In order to make upper fixture 1 effectively be clamped on the top of selected traction ran, upper fixture 1 to comprise on first fixture 12 on fixture 11 and second, and the top of selected traction ran is on first on fixture 11 and second between fixture 12.Further preferably, on first, on fixture 11 and second, fixture 12 is rectangular structure, on first on fixture 11 and second the long ﹥ height ﹥ of fixture 12 wide (application number be CN201210121058.2, utility model name is called in the utility model patent of balance coefficient of elevator detecting device, the wide ﹥ of long ﹥ of fixture block is high); When holding area identical (i.e. short transverse), material can be saved; When Width is identical, holding area can be increased.
In order to make lower clamp 3 effectively be clamped the bottom of selected traction ran, lower clamp 3 comprises the first lower clamp 31 and the second lower clamp 32, and the bottom of selected traction ran is between the first lower clamp 31 and the second lower clamp 32.Further preferably, first lower clamp 31 and the second lower clamp 32 are rectangular structure, the long ﹥ height ﹥ of the first lower clamp 11 and the second lower clamp 12 wide (application number be CN201210121058.2, utility model name is called in the utility model patent of balance coefficient of elevator detecting device, the wide ﹥ of long ﹥ of fixture block is high); When holding area identical (i.e. short transverse), material can be saved; When Width is identical, holding area can be increased.
Hydraulic pressure cylinder assembly 2 comprises hydraulic actuating cylinder backboard 21, hydraulic actuating cylinder 22 and hydraulic actuating cylinder baffle plate 23, hydraulic actuating cylinder 22 is arranged between hydraulic actuating cylinder backboard 21 and hydraulic actuating cylinder baffle plate 23, hydraulic actuating cylinder baffle plate 23 is arranged on the top of lower clamp 3, and hydraulic actuating cylinder backboard 21 is arranged on the bottom of fixture 1.Further preferably, the cylinder body of hydraulic actuating cylinder 22 is arranged on hydraulic actuating cylinder backboard 21, and the hydraulic stem of hydraulic actuating cylinder is arranged on hydraulic actuating cylinder baffle plate 23.Generally, the arrangement form of hydraulic actuating cylinder 22 is designed to inversion type and arranges by this preferred embodiment, this design reduces the whole height of detecting device.
Pulling force sensor 4 of the present utility model can be contact pulling force sensor, also can be contactless pulling force sensor, when pulling force sensor 4 is contactless pulling force sensor, contactless pulling force sensor can be arranged on hydraulic stem (i.e. piston rod) position near hydraulic actuating cylinder 22, is obtained the lift power of hydraulic stem by the distortion of measuring hydraulic stem; When pulling force sensor 4 is contact pulling force sensor, pulling force sensor 4 is arranged between fixture 1 and hydraulic actuating cylinder backboard 21 or pulling force sensor 4 is arranged between lower clamp 3 and hydraulic actuating cylinder baffle plate 23.Preferred detecting unit also comprises connecting screw rod assembly 41 and sensor screw 42, and when pulling force sensor 4 is contact pulling force sensor, connecting screw rod assembly 41 and sensor screw 42 are arranged on the two ends of pulling force sensor 4 respectively; When pulling force sensor 4 is arranged between fixture 1 and hydraulic actuating cylinder backboard 21, sensor screw 42 is arranged on hydraulic actuating cylinder backboard 21, and connecting screw rod assembly 41 is arranged on fixture 1; When pulling force sensor 4 is arranged between lower clamp 3 and hydraulic actuating cylinder baffle plate 23, sensor screw 42 is arranged on hydraulic actuating cylinder baffle plate 23, and connecting screw rod assembly 41 is arranged on lower clamp 2; This mounting means is conveniently installed, and is installed by connecting screw rod assembly 41 on lower clamp 3 or upper fixture 1, is conveniently finally tighten connecting screw rod assembly 41.Further preferably, the conveniently installation of hydraulic pressure cylinder assembly 2 and pulling force sensor 4, fixture 11 on first, fixture 12 on second, the back side of the first lower clamp 31 and the second lower clamp 32 (sets the opposite face of fixture 12 on fixture on first 11 and second as clamping face, if on fixture 11 and second, the opposite of the clamping face of fixture 12 is the back side on first, if the opposite face of the first lower clamp 31 and the second lower clamp 32 is clamping face, if the opposite of the clamping face of the first lower clamp 31 and the second lower clamp 32 is the back side) be provided with mounting ear, connecting screw rod assembly 41 comprises screw rod 411 and nut 412 (being preferably corrosion-resistant steel nut), to be arranged on hydraulic actuating cylinder backboard 21 and first between fixture 11 for pulling force sensor 4, on first fixture 11 mounting ear on have installation through hole, sensor screw 42 is twisted on the one end and hydraulic actuating cylinder backboard 21 being connected on pulling force sensor 4, screw rod 411 be arranged on pulling force sensor 4 the other end and through the installation through hole on the mounting ear of fixture 11 on first, then nut 412 is passed through by fastening for screw rod 411.
In order to measure equilibrium factor during elevator no-load exactly, hydraulic pressure cylinder assembly 2 is two groups, and pulling force sensor 4 is two; Wherein one group of hydraulic pressure cylinder assembly 2 to be arranged on first between fixture 11 and the first lower clamp 31, another group hydraulic pressure cylinder assembly 2 to be arranged on second between fixture 12 and the second lower clamp 31, two pulling force sensors 4 are respectively used to the pulling force of measurement two groups of hydraulic pressure cylinder assemblies 2, adopt two groups of hydraulic pressure cylinder assemblies 2 and two pulling force sensors 4, occur measuring inaccurate situation when effectively can evade employing one.
As shown in Figure 1, detecting device also comprises eight groups of fastening assemblies 7, and fastening assembly 7 comprises bolt and bolt fastener, and bolt fastener and bolt are spirally connected, be respectively used to apply Clamping force to upper fixture 1 and lower clamp 3, clamp to make upper fixture 1 and lower clamp 3 hoist ropes needing detection.The group number of certain fastening assembly 7 is determined according to actual needs.
Upper fixture 1 of the present utility model and lower clamp 3 are steel matter and make, the clamping rigidity of fixture 1 and lower clamp 3 can be ensured in this case, make because hoist ropes is all steel matter, upper fixture 1 and lower clamp 3 are in the process of clamping, damage can be caused to hoist ropes, sometimes by hoist ropes pinch off, in order to avoid this situation occurs, as shown in Figure 3, Figure 4, detecting device also comprises four pieces of friction plates 6 (preset fixture), and friction plate 6 is provided with the holding tank 61 that multiple tracks and hoist ropes match; On first, on fixture 11, second, the clamping face center of fixture 12, first lower clamp 31 and the second lower clamp 32 is provided with groove, makes the holding tank 61 of friction plate 6 clamp hoist ropes in the groove that four pieces of friction plates 6 are embedded in fixture 12, first lower clamp 31 and the second lower clamp 32 on fixture 11, second on first respectively.Preferably, the cell wall of holding tank 61 is provided with multiple tracks friction line 611, friction force can be strengthened further, further preferably, multiple tracks friction line 611 be uniform setting, with realize to hoist ropes clamp homogeneity and stability.Friction plate 6 can make for quality of rubber materials, also can make for nylon material, as long as have enough intensity and the large any material of friction force.Friction plate 6 is specially with the mounting means of upper fixture 1, lower clamp 3, friction plate 6 is arranged in the groove of upper fixture 1 and lower clamp 3, then through the mounting hole 62 of friction plate 6, friction plate 6 is fastened on upper fixture 1 and lower clamp 3 by bolt etc., when friction plate 6 contacts with hoist ropes, first contacted with hoist ropes by friction line 611, apply first clamping; Contacted with hoist ropes by the cell wall of holding tank 61 again, apply second clamping, finally by upper lower clamp, hoist ropes is clamped.
As shown in Figure 1, the utility model is specifically described for steel rope 5.
If steel rope 5 is five; One group of hydraulic pressure cylinder assembly 2 and a pulling force sensor 4 are arranged on first between fixture 11 and the first lower clamp 31, another group hydraulic pressure cylinder assembly 2 and another pulling force sensor 4 to be arranged on second between fixture 12 and the second lower clamp 32; Two friction plates 6 are arranged at the opposite face of fixture 12 on fixture on first 11 and second, and two other friction plate 6 is arranged at the opposite face of the first lower clamp 31 and the second lower clamp 32;
Between the five road holding tanks 61 top of five steel ropes 5 being placed in two friction plates 6 in top; Between the five road holding tanks 61 bottom of five steel ropes 5 being placed in two friction plates 6 in bottom;
On first on fixture 11 and second on fixture 12 respectively correspondence be provided with four groups of through holes (not shown), the bolt of four groups of fastening assemblies 7 is each passed through the through hole of fixture 12 on fixture on first 11 and second; Be fastened by bolts being spirally connected between part and bolt, Clamping force applied to fixture 12 on fixture on first 11 and second, and then Clamping force is applied to two, top friction plate 6, clamping is realized to the top of five steel ropes 5; On the first lower clamp 31 and the second lower clamp 32, correspondence is provided with four groups of through holes (not shown) respectively, the bolt of other four groups of fastening assemblies 7 is each passed through the through hole of the first lower clamp 31 and the second lower clamp 32, be fastened by bolts being spirally connected between part and bolt, Clamping force is applied to the first lower clamp 31 and the second lower clamp 32, and then Clamping force is applied to two, bottom friction plate 6, clamping is realized to the bottom of five steel ropes 5;
After clamping, by the hydraulic stem head of lifting hydraulic cylinder 22, the lifting of lower clamp 3 can be realized, thus the steel rope 5 making interlude clamp is in relaxed state, as shown in Figure 2, pulling force sensor 4 directly records the weight of hoisting elevator car 91 and counterweight 92, realizes the measurement of equilibrium factor.
Below, the Cleaning Principle of the utility model balance coefficient of elevator detecting device is described.
As shown in Figure 2, when balance coefficient of elevator detects, lift car 91 and counterweight 92 are successively moved to the top position of hoistway, this balance coefficient of elevator detecting device is installed.
When lift car 91 zero load be placed in hoistway top and static time, balance coefficient of elevator detecting device of the present utility model is installed as shown in Figure 2, in the utility model, ignores the deadweight of car 70.So as shown in Figure 1, if the now hydraulic stem head of lifting hydraulic cylinder 22, then the stressed of steel rope 5 diminishes gradually, the stressed of hydraulic actuating cylinder 22 becomes large gradually, if after steel rope 5 is in the state of not stressing, still continue upwards the hydraulic stem head of slowly at the uniform velocity lifting hydraulic cylinder 22, then hydraulic actuating cylinder 22 now not only bears the deadweight of lift car 91, also to overcome the various resistances that lift car 91 is in operation, cage side weight G1 when what now hydraulic actuating cylinder 22 carried is dynamic.After lift car 91 moves stopping, the operating various resistance of lift car 91 disappears, and can measure cage side weight G2 when obtaining static state.
In like manner, the amount of the stressing W2 of the counterweight 92 when the amount of the stressing W1 of the counterweight 92 when obtaining dynamic and static state.
Subsequently, counterweight-side weight W1, W2 when cage side weight G1, G2 and elevator time elevator is dynamic, static are dynamic, static, be updated in equilibrium factor algorithmic formula K=(W-G)/Q, K is equilibrium factor, W is counterweight-side weight, G is cage side weight, and Q is the nominal payload of elevator.Thus, obtain dynamical equilibrium COEFFICIENT K 1=(the W1-G1)/Q of elevator and static balancing COEFFICIENT K 2=(the W2-G2)/Q of elevator.
Concrete method of inspection comprises:
The step of clamping traction ran, to choose above lift car 91 side or above counterweight 92 side as the traction ran detecting target, in utilization, fixture 1 and lower clamp 3 clamp described traction ran respectively;
The step of hydraulic pressure cylinder assembly 2, the bottom of hydraulic pressure cylinder assembly 2 is fixed on fixture 1, and the top of hydraulic pressure cylinder assembly 2 is fixed on lower clamp 3;
Read the step of data, operation hydraulic actuating cylinder 22 promotes described lift car 91 or described counterweight 92, after described traction ran between upper fixture 1 and lower clamp 3 is in the state of not stressing, continue at the uniform velocity hoisting elevator car 91 or counterweight 92 1 segment distance, under traction ran between upper fixture 1 and lower clamp 3 is in the state do not stressed, measure in lifting process with the value of thrust promoting the hydraulic actuating cylinder 22 after terminating, obtain respectively elevator dynamic, static time cage side weight G1, G2 or elevator dynamic, static time counterweight-side weight W1, W2; With
The step of calculated equilibrium coefficient, counterweight-side weight W1, W2 when cage side weight G1, G2 and elevator time elevator is dynamic, static are dynamic, static substitute in equilibrium factor algorithmic formula K=(W-G)/Q, wherein, K is equilibrium factor, W is counterweight-side weight, and G is cage side weight, and Q is the nominal payload of elevator, obtain dynamical equilibrium COEFFICIENT K 1=(the W1-G1)/Q of elevator, and static balancing COEFFICIENT K 2=(the W2-G2)/Q of elevator.
Accordingly, according to the utility model, can provide the balance coefficient of elevator detecting device that a kind of no-load, sound state combine, this device can the equilibrium factor of safe, accurate, easy and simple to handle detecting respectively when elevator is dynamic and static
To sum up, the utility model can reach following beneficial effect:
One, detecting device of the present utility model has advantage that is simple to operate, safe operation process, and measure data precision is high.
Two, dynamic and static for balance coefficient of elevator method of inspection combines by the utility model, steel rope 5 compensated chain (rope), trailing cable can be analyzed on the impact of equilibrium factor, can analyze simultaneously elevator dynamic time lead the impact of boots friction drag on take off data.
Three, compared with detecting device existing with our company, improve hoisting way, have employed the structure that hydraulic pressure cylinder assembly 2 directly promotes, prevent because the problem of the unreliability of prior art middle pulley, easily generation unbalance loading.
As known by the technical knowledge, the utility model can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, being all casehistory, is not only.Allly all to be included in the utility model within the scope of the utility model or being equal to the change in scope of the present utility model.

Claims (10)

1. an elevator no-load equilibrium factor detecting device, is characterized in that, comprises fixture, hydraulic pressure cylinder assembly, lower clamp and pulling force sensor;
Described upper fixture is arranged on the top of described hydraulic pressure cylinder assembly, for clamping the top of selected traction ran;
Described hydraulic pressure cylinder assembly, for realizing the lifting to described lower clamp;
Described lower clamp, is arranged on the below of described hydraulic pressure cylinder assembly, for clamping the bottom of selected traction ran;
Described pulling force sensor, for measuring the pulling force of described hydraulic pressure cylinder assembly.
2. elevator no-load equilibrium factor detecting device according to claim 1, is characterized in that: also comprise:
Digital display device, described digital display device is connected with described pulling force sensor, for showing the value of thrust of described pulling force sensor.
3. elevator no-load equilibrium factor detecting device according to claim 1, is characterized in that:
Described upper fixture to comprise on first fixture on fixture and second, and the top of selected traction ran is on first on fixture and second between fixture;
Described lower clamp comprises the first lower clamp and the second lower clamp, and the bottom of selected traction ran is between described first lower clamp and the second lower clamp.
4. elevator no-load equilibrium factor detecting device according to claim 1, is characterized in that:
Described hydraulic pressure cylinder assembly comprises hydraulic actuating cylinder backboard, hydraulic actuating cylinder and hydraulic actuating cylinder baffle plate;
Described hydraulic actuating cylinder is arranged between described hydraulic actuating cylinder backboard and hydraulic actuating cylinder baffle plate;
Described hydraulic actuating cylinder baffle plate is arranged on the top of described lower clamp;
Described hydraulic actuating cylinder backboard is arranged on the bottom of described upper fixture.
5. elevator no-load equilibrium factor detecting device according to claim 4, is characterized in that:
Described hydraulic actuating cylinder is that inversion type is placed, and the cylinder body of described hydraulic actuating cylinder is arranged on described hydraulic actuating cylinder backboard, and the hydraulic stem of described hydraulic actuating cylinder is arranged on described hydraulic actuating cylinder baffle plate.
6. elevator no-load equilibrium factor detecting device according to claim 4, is characterized in that:
Described pulling force sensor is contact pulling force sensor or contactless pulling force sensor;
When pulling force sensor is contact pulling force sensor, described pulling force sensor is arranged between described upper fixture and hydraulic actuating cylinder backboard or is arranged between described lower clamp and hydraulic actuating cylinder baffle plate.
7. elevator no-load equilibrium factor detecting device according to claim 6, is characterized in that: also comprise connecting screw rod assembly and sensor screw;
When described pulling force sensor is contact pulling force sensor, described connecting screw rod assembly and sensor screw are arranged on the two ends of described pulling force sensor respectively;
Described pulling force sensor be arranged on described between fixture and hydraulic actuating cylinder backboard time, described sensor screw is arranged on described hydraulic actuating cylinder backboard, and described connecting screw rod assembly is arranged on described upper fixture;
When described pulling force sensor is arranged between described lower clamp and hydraulic actuating cylinder baffle plate, described sensor screw is arranged on described hydraulic actuating cylinder baffle plate, and described connecting screw rod assembly is arranged on described lower clamp.
8. elevator no-load equilibrium factor detecting device according to claim 3, is characterized in that:
Described hydraulic pressure cylinder assembly is two groups, and described pulling force sensor is two; Wherein hydraulic pressure cylinder assembly described in a group to be arranged on described first between fixture and the first lower clamp, another is organized described hydraulic pressure cylinder assembly and is arranged on described second between fixture and the second lower clamp, and two described pulling force sensors are respectively used to the pulling force of hydraulic pressure cylinder assembly described in measurement two groups.
9. elevator no-load equilibrium factor detecting device according to claim 1, is characterized in that, also comprise:
Organize fastening assembly, described fastening assembly comprises bolt and bolt fastener more, and described bolt fastener and described bolt are spirally connected, and is respectively used to apply Clamping force to described upper fixture and lower clamp.
10. elevator no-load equilibrium factor detecting device according to claim 3, is characterized in that, also comprise:
Polylith friction plate, described friction plate is provided with holding tank that multiple tracks and hoist ropes match and on this holding tank, is provided with multiple tracks and to rub line;
On described first, on fixture, second, the clamping face center of fixture, the first lower clamp and the second lower clamp is provided with groove, makes the holding tank of described friction plate clamp hoist ropes in the groove that described friction plate is embedded in fixture, the first lower clamp and the second lower clamp on fixture, second on described first.
CN201420516482.1U 2014-08-26 2014-09-09 Elevator no-load equilibrium factor detecting device CN204150834U (en)

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CN201410425679.9 2014-08-26
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CN201410456626.3A Active CN104210913B (en) 2014-08-26 2014-09-09 Elevator no-load coefficient of balance detection device

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104210913A (en) * 2014-08-26 2014-12-17 广州特种机电设备检测研究院 Elevator zero load balancing coefficient detecting device
CN105004481A (en) * 2015-07-16 2015-10-28 广州特种机电设备检测研究院 Elevator no-load balance coefficient detection apparatus with automatic return function
CN105173946A (en) * 2015-10-12 2015-12-23 刘培 Elevator no-load dynamic balance coefficient detector
CN107043055A (en) * 2017-04-06 2017-08-15 广州特种机电设备检测研究院 A kind of uncharged elevator overload closing detecting apparatus

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CN105692378B (en) * 2016-03-18 2018-01-05 广州特种机电设备检测研究院 A kind of elevator no-load coefficient of balance detection means based on hydraulic cylinder straight top type
CN105905720B (en) * 2016-03-18 2018-05-11 广州特种机电设备检测研究院 A kind of elevator no-load coefficient of balance detection device that formula is drawn high based on screw
CN106429686A (en) * 2016-10-26 2017-02-22 广州特种机电设备检测研究院 Elevator no-load balance coefficient detection device based on motor driving

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CN102745566B (en) * 2012-07-11 2015-04-22 温州市特种设备检测中心 Elevator balance coefficient no-load dynamic detector and method for detecting elevator balance coefficient
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CN204150834U (en) * 2014-08-26 2015-02-11 广州特种机电设备检测研究院 Elevator no-load equilibrium factor detecting device

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Publication number Priority date Publication date Assignee Title
CN104210913A (en) * 2014-08-26 2014-12-17 广州特种机电设备检测研究院 Elevator zero load balancing coefficient detecting device
CN105004481A (en) * 2015-07-16 2015-10-28 广州特种机电设备检测研究院 Elevator no-load balance coefficient detection apparatus with automatic return function
CN105173946A (en) * 2015-10-12 2015-12-23 刘培 Elevator no-load dynamic balance coefficient detector
CN107043055A (en) * 2017-04-06 2017-08-15 广州特种机电设备检测研究院 A kind of uncharged elevator overload closing detecting apparatus

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