CN110361208A - The test method and device for the method for lift car emergency braking apparatus - Google Patents
The test method and device for the method for lift car emergency braking apparatus Download PDFInfo
- Publication number
- CN110361208A CN110361208A CN201810255067.8A CN201810255067A CN110361208A CN 110361208 A CN110361208 A CN 110361208A CN 201810255067 A CN201810255067 A CN 201810255067A CN 110361208 A CN110361208 A CN 110361208A
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- Prior art keywords
- elevator
- emergency braking
- lift car
- braking apparatus
- test
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Elevator Control (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of test methods of lift car emergency braking apparatus, comprising the following steps: whether step 1, self-test elevator are normal；Step 2 enters elevator test model if elevator is normal, and the elevator test model is that elevator stops calling in response floor call and sedan-chair；Step 3, controller control lift car are run to predeterminated position；The predeterminated position is the initial position tested；Step 4, lift car Accelerating running to pre-set velocity；Step 5, when the lift car speed of service reaches pre-set velocity, controller issues e-command and triggers carriage emergency braking apparatus；Step 6 judges whether to meet failure benchmark；Step 7, when meeting failure benchmark, control unit controls traction machine brake sticking brake, so that carriage stop, is then log out test procedure.The invention also discloses device for the method.The present invention fully automatically executes test mission, reduces the work of human intervention, the probability of risk occurs to reduce in test.
Description
Technical field
The present invention relates to elevators fields, and in particular to a kind of test method of brake device for elevator and the dress for this method
It sets.
Background technique
Elevator detects correctness and carriage, safety tongs and guide rail and its and the building of installation before being delivered for use
The robustness of connection needs to carry out the retardation test of normal speed.Following method is generally taken in current test: using manually
Declutch tool positive opening traction machine band-type brake, and lift car Accelerating running makes under human intervention when reaching normal speed
Limiter of speed movement, so that safe clamp brake.The work that declutches manually should be discharged at once when judging that safety tongs does not have effective brake
Tool, brakes carriage using traction machine brake.During this test, due to needing a large amount of manual intervention, hold
Error-prone and risk is high.
Summary of the invention
The present invention be made in view of the practical problem in the presence of the above-mentioned prior art, it is an object of the present invention to
A kind of test method of brake device for elevator is provided, test mission is fully automatically executed, reduces the work of human intervention, to drop
Occurs the probability of risk in low test.
In view of the above-mentioned problems, the test method of lift car emergency braking apparatus provided by the invention, comprising the following steps:
Whether step 1, self-test elevator are normal；Step 2 enters elevator test model if elevator is normal, and the elevator tests mould
Formula is that elevator stops calling in response floor call and sedan-chair；Step 3, controller control lift car are run to predeterminated position；Institute
Stating predeterminated position is the initial position tested；Step 4, lift car Accelerating running to pre-set velocity；Step 5 works as electricity
When the terraced carriage speed of service reaches pre-set velocity, controller issues e-command and triggers carriage emergency braking apparatus；Step 6 is sentenced
It is disconnected whether to meet failure benchmark；Step 7, when meeting failure benchmark, control unit controls traction machine brake sticking brake, so that carriage
Stop is then log out test procedure.
Preferably, after the step 1 further include: working procedure one automatically exits from test procedure when abnormal elevator.
Preferably, the predeterminated position of lift car is middle layer in the step 3.
Preferably, carriage starting loop is consistent with the starting loop of accidental conditions in the step 4.
Preferably, the normal speed that pre-set velocity operates normally in the step 4 for elevator.
Preferably, after the step 6 further include: working procedure two exits test journey if being unsatisfactory for failure benchmark
Sequence, off-test.
Preferably, after the step 7 further include: step 8 carries out every manual inspection, and elevator is then restored normal
Operating status.
Preferably, the step 8 includes following below scheme: process one, control unit control carriage inverted running, so that sedan-chair
The payload segment of compartment emergency braking apparatus clamping guide-rail or completely release；Process two, control unit control carriage emergency braking dress
Reset is set, carriage emergency braking apparatus, which issues, after reset resets END instruction；Process three, control unit control elevator enter
Normal operation mode, normal operation mode refer to that elevator, can be normal with carrying or cargo to normal response is called in stop and sedan-chair
Operation.
The present invention also provides a kind of devices of test method for lift car emergency braking apparatus, comprising: urgent system
Dynamic device is mounted in carriage and triggers braking under the control of electronic signal；Traction machine band-type brake, to elevator traction machine into
Row braking；Detection unit detects the running state parameter of carriage；Control unit has the function of controlling elevator operation, full
Triggering command triggering braking is issued to emergency braking apparatus in the case where sufficient preset condition；Time control is satisfied in the failure benchmark
Traction machine band-type brake processed brakes elevator traction machine.
Preferably, the emergency braking apparatus includes brake assemblies, in which: each group of brake assemblies include: a support portion
Part is used to support the brake assemblies；One brake block, including braking surface, guided surface, elastic connection face and free movement face,
The braking surface is for contacting or separating cage guide to elevator brake or reset；One bootstrap block, including guiding face and joint face,
The guiding face makes guiding block contact or separate with cage guide with the guided surface CONTACT WITH FRICTION of the brake block, described
Joint face is fixedly connected with support member；One elastic energy storage element is fixedly connected, institute with the elastic connection face of the brake block
It states pushing force that elastic energy storage element generates brake block or tractive force is used to control the position and movement side of the brake block
To；At least one set of brake assemblies include: an electromagnetic actuator, for receiving the electronic signal of described control unit and generating electromagnetism
Active force controls position and the direction of motion of brake block.
The characteristics of present invention is clamped using electronic safety is solved using elevator detection method when normal speed is tested
The problem of high-efficiency and low-cost, and test mission is fully automatically executed, reduce the work of human intervention.
Detailed description of the invention
Fig. 1 is the elevator in the test method of carriage emergency braking apparatus of the present invention with emergency braking system.
Fig. 2 is the execution logic chart of the test method of carriage emergency braking apparatus of the present invention.
Fig. 3 is reset routine figure in the test method of carriage emergency braking apparatus of the present invention.
Fig. 4 is the system composition schematic diagram of the device for lift car emergency braking tests method of the invention.
Fig. 5 is that the on-position of the carriage emergency braking apparatus in the test method of carriage emergency braking apparatus of the present invention is shown
It is intended to.
Fig. 6 is the non-brake state of the carriage emergency braking apparatus in the test method of carriage emergency braking apparatus of the present invention
Schematic diagram.
Fig. 7 is detection unit in the carriage emergency braking apparatus in the test method of carriage emergency braking apparatus of the present invention
Schematic diagram.
Fig. 8 is a kind of explanatory diagram of embodiment of failure benchmark of the test method of carriage emergency braking apparatus of the present invention.
Fig. 9 is the explanatory diagram of the failure benchmark another kind embodiment of the test method of carriage emergency braking apparatus of the present invention.
Description of symbols
1 carriage, 10 elevator
1a upper guide member 1b lower guide member
2 guide rail, 3 brake apparatus
31 brake block, 32 braced frame
33 elastic element of 32a frame upper plate
35 bootstrap block, 36 elastomer
8 electromagnetic actuator 8a movable parts
48 detection unit of 8b fixed part
48a code band 48b test section
Specific embodiment
With the elevator 10 of emergency braking system in the present invention, as shown in Figure 1, including carriage 1 and emergency braking apparatus 3,
Emergency braking apparatus is mounted in carriage 1, and the guide rail 2 of T-type, 1 activity of carriage are fixedly installed in the operation channel 20 of carriage 1
It is set in guide rail 2 and can be run along about 2 guide rail.The upper and lower part of carriage 1 is respectively arranged with guide part 1a and 1b.
When needing to carry out carriage emergency braking apparatus field test, start test procedure.Test procedure is automatically performed examination
It tests, test process is not necessarily to human intervention.Fig. 2 show the execution logic of test procedure.
Step 200, whether self-test elevator is normal, and test procedure is automatically exited from if abnormal elevator, if elevator is normal
Then follow the steps 201.
Step 201: elevator enters test model, i.e. elevator no longer responds calling in floor call and sedan-chair.
Step 202: controller control lift car is run to predeterminated position.Predeterminated position refers to the initial bit tested
It sets, it is preferable that the predeterminated position of carriage is middle layer.
Step 203: lift car Accelerating running to pre-set velocity.Preferably, the starting loop and normal operation of carriage
The starting loop of operating condition is consistent.Preferably, pre-set velocity is the normal speed that elevator operates normally, which can be according to need
Want Field adjustment.
Step 204: when the lift car speed of service reaches pre-set velocity, it is tight that controller issues e-command triggering carriage
Anxious brake apparatus, so that brake apparatus triggering braking, other brake apparatus are not involved in braking in the process.
Step 205: judging whether to meet failure benchmark, meet failure benchmark and then judge test failure.
Step 206: when meeting failure benchmark, control unit controls traction machine brake sticking brake, so that carriage stop, is then moved back
Test procedure out.
In step 205, if being unsatisfactory for failure benchmark, test procedure, off-test are exited.
After above-mentioned field test, needs to carry out every manual inspection, elevator is then restored into normal operating condition, it is excellent
Selection of land can be resetted using Fig. 3 reset routine.
Step 300: control unit controls carriage inverted running, so that the payload portion of carriage emergency braking apparatus clamping guide-rail
Divide or discharges completely.
Step 301: control unit controls carriage emergency braking apparatus and resets, and carriage emergency braking apparatus is sent out after reset
END instruction is resetted out.
Step 302: control unit control elevator enters normal operation mode, normal operation mode refer to elevator to stop and
Normal response is called in sedan-chair, can be operated normally with carrying or cargo.
The invention further relates to a kind of devices for lift car emergency braking tests method, as shown in Figure 4.
The device includes: emergency braking apparatus, traction machine band-type brake, detection unit, transmission unit and control unit.
Emergency braking apparatus is characterized in that being mounted in carriage, and braking can be triggered under the control of electronic signal；
Traction machine band-type brake is it is characterized in that can carry out emergency braking to elevator traction machine.
Detection unit is it is characterized in that can detecte the running state parameter of carriage, such as speed or the position of carriage.
Control unit is it is characterized in that have the function of that controlling elevator runs, and can give promptly in the case where condition meets
Brake apparatus issues triggering command, triggering braking；And when the failure benchmark is satisfied, fail safe control is executed, i.e.,
Control traction machine band-type brake is braked.
Fig. 5 is a kind of schematic diagram of carriage emergency braking apparatus, which includes brake assemblies 30, described
Brake assemblies 30 include brake block 31, braced frame 32, bootstrap block 35, brake block 31, elastic element 33 and electromagnetic actuator
8。
Wherein, brake block 31 is set to the side of cage guide 2, and the braking surface of brake block 31 is (i.e. just close to guide rail 2
Face) and guide surface (back side i.e. far from guide rail 2) between shape have angle so that wedge shaped (the i.e. brake block 31 of brake block 31
Guide surface is inclined-plane)；The braking surface of brake block 31 is parallel with the side of guide rail 2, the guide surface of brake block 31 and the side of guide rail 2
Between shape have angle.
Brake block further includes elastic connection face and free movement face, and elastic connection face is fixedly connected with elastic element 33,
Brake block is free movement face relative to the other side in elastic connection face, which can be certainly relative to braced frame 32
By moving.
Bootstrap block 35 is fixedly connected with braced frame 32 by elastomer 36；Braced frame 32 is fixedly connected with carriage；Braking
Block 31 is connected by elastic element with braced frame 32；Actuator 8 is used to keep the position of brake block 31 and limits its movement side
To；Elastomer 36 can make brake block 31 generate the pressing force to guide rail 2.
Electromagnetic actuator 8 is made of movable part 8a and fixed part 8b, and 8a is fixedly mounted in the guide surface of brake block 31 (i.e.
The back side far from guide rail 2), 8b is fixedly mounted on the side of close brake block 31 of bootstrap block 35.
The contact surface of bootstrap block 35 and actuator fixed part 8b are inclined-plane, the tilt angle on the inclined-plane and leading for brake block 31
It is matched to face, the braking surface to guarantee brake block 31 is parallel with the side of guide rail 2.
Described 33 one end of elastic element and braced frame 32 are affixed, and the elastic connection face of the other end and brake block 31 is fixed to be connected
It connects, pushing force or tractive force which generates brake block 31 are used to control position and the fortune of the brake block 31
Dynamic direction.
State shown in Fig. 5 be state of emergency braking apparatus when not triggering, the at this time braking surface of brake block 31 and guide rail 2 it
Between there are gap, the position of brake block 31 keeps realizing by the feedback control of control unit 9.
When brake block 31 needs to move to the direction close to frame upper plate 32a, actuator 8, which generates, pushes brake block 31 to transport
Dynamic electromagnetic force pushes brake block 31 to transport upwards along guide rail 2 relative to braced frame 32 together with the elastic force of elastic element 33
Dynamic (brake block 31 relative to guide rail 2 still keep down movement), is progressively smaller until the gap between brake block 31 and guide rail 2
Brake block 31 contacts with guide rail 2 and generates force of sliding friction.Since brake block 31 is moved downward relative to guide rail 2, brake block 31
Force of sliding friction direction between guide rail 2 is upward, and the direction which move brake block 31 is on frame
The direction plate 32a, until brake block 31 touches frame upper plate 32a；Situation when upper plate 32a is touched Fig. 2 shows brake block.
During the frame upper plate 32a, force of sliding friction is gradually increased this brake block 31, which passes through braced frame 32
Frame upper plate 32a passes to carriage 1, to realize retarding braking to carriage 1.
After end of braking, lift car 1 restores to be needed before operating normally by brake controller of elevator 3 from on-position
(shown in Fig. 6) is restored to normal operating conditions (shown in Fig. 5), and in the process, carriage 1 is slightly upwardly run, and brake block 31 is in electricity
Under the action of magnetic actuator, the elastic force of elastic element 33 is overcome to run to the direction far from frame upper plate 32a, until brake block 31
Reach desired location.
Fig. 7 show a kind of detection unit of carriage operating status, and there is detection unit 48 code band 48a, code band 48a to arrange
On the operating path of lift car 1, code corresponds to the unique positions on 1 operating path of carriage with each coding on 48a, detection
Portion 48b is fixedly mounted in carriage 1, and test section 48b can be with readout code with the coding on 48a.It can in lift car operation
To read the position of carriage in real time by 48b, to obtain the speed of service and acceleration of carriage 1.
Fig. 8 show the explanatory diagram of failure benchmark, and curve as shown in the figure includes the speed of service curve and speed threshold of elevator
It is worth curve, when elevator speed is in the range of threshold speed and reference axis institute envelope, then it is assumed that do not reach failure benchmark,
When the true speed of service is more than threshold speed, then it is assumed that meet failure benchmark, traction machine brake sticking brake should be triggered immediately.
Fig. 9 show another embodiment of failure benchmark, and curve is the displacement curve of carriage in figure, tests when entirely
The range ability of carriage is more than threshold value S0 in journey, then it is assumed that has reached failure benchmark.
The present invention has been described in detail through specific embodiments, which is only of the invention preferable
Embodiment, the present invention is not limited to embodiments discussed above.The obvious transformation or substitution enlightened based on the present invention
It should also be as being considered in technology scope of the invention.Above specific embodiment is used to disclose best implementation of the invention
Method, so that those skilled in the art can come using numerous embodiments of the invention and a variety of alternatives
Reach the purpose of the present invention.
Claims (10)
1. a kind of test method of lift car emergency braking apparatus, comprising the following steps:
Whether step 1, self-test elevator are normal；
Step 2 enters elevator test model if elevator is normal, and the elevator test model is that elevator stops response stop
Calling in calling and sedan-chair；
Step 3, controller control lift car are run to predeterminated position；The predeterminated position is the initial position tested；
Step 4, lift car Accelerating running to pre-set velocity；
Step 5, when the lift car speed of service reaches pre-set velocity, controller issues e-command triggering carriage and promptly makes
Dynamic device；
Step 6 judges whether to meet failure benchmark；
Step 7, when meeting failure benchmark, control unit controls traction machine brake sticking brake, so that carriage stop, is then log out examination
Test program.
2. the test method of lift car emergency braking apparatus according to claim 1, which is characterized in that the step 1
Afterwards further include:
Working procedure one automatically exits from test procedure when abnormal elevator.
3. the test method of lift car emergency braking apparatus according to claim 1, which is characterized in that the step 3
The predeterminated position of middle lift car is middle layer.
4. the test method of lift car emergency braking apparatus according to claim 1, which is characterized in that the step 4
Middle carriage starting loop is consistent with the starting loop of accidental conditions.
5. the test method of lift car emergency braking apparatus according to claim 1, which is characterized in that the step 4
Middle pre-set velocity is the normal speed that elevator operates normally.
6. the test method of lift car emergency braking apparatus according to claim 1, which is characterized in that the step 6
Afterwards further include:
Working procedure two exits test procedure, off-test if being unsatisfactory for failure benchmark.
7. the test method of lift car emergency braking apparatus according to claim 1, which is characterized in that the step 7
Afterwards further include:
Step 8 carries out every manual inspection, elevator is then restored normal operating condition.
8. the test method of lift car emergency braking apparatus according to claim 7, which is characterized in that the step 8
Including following below scheme:
Process one, control unit control carriage inverted running so that the payload segment of carriage emergency braking apparatus clamping guide-rail or
Release completely；
Process two, control unit control carriage emergency braking apparatus reset, and carriage emergency braking apparatus issues multiple after reset
Position END instruction；
Process three, control unit control elevator enter normal operation mode, and normal operation mode refers to elevator in stop and sedan-chair
Normal response is called, can be operated normally with carrying or cargo.
9. a kind of device of the test method for lift car emergency braking apparatus described in one of claim 1-8, packet
It includes:
Emergency braking apparatus is mounted in carriage and triggers braking under the control of electronic signal；
Traction machine band-type brake, brakes elevator traction machine；
Detection unit detects the running state parameter of carriage；
Control unit has the function of controlling elevator operation, issue in the case where meeting preset condition to emergency braking apparatus
Triggering command triggering braking；Traction machine band-type brake is controlled when the failure benchmark is satisfied to brake elevator traction machine.
10. the device of the test method of lift car emergency braking apparatus as claimed in claim 9, which is characterized in that described
Emergency braking apparatus includes brake assemblies, in which:
Each group of brake assemblies include:
One support member is used to support the brake assemblies；
One brake block, including braking surface, guided surface, elastic connection face and free movement face, the braking surface for contact or
Cage guide is separated to elevator brake or reset；
One bootstrap block, including guiding face and joint face, the guided surface CONTACT WITH FRICTION of the guiding face and the brake block to
Guiding block is set to contact or separate with cage guide, the joint face is fixedly connected with support member；
One elastic energy storage element is fixedly connected with the elastic connection face of the brake block, and the elastic energy storage element is for system
Pushing force or tractive force that motion block generates are used to control position and the direction of motion of the brake block；
At least one set of brake assemblies include: an electromagnetic actuator, for receiving the electronic signal of described control unit and generating electricity
Magnetic force controls position and the direction of motion of brake block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810255067.8A CN110361208A (en) | 2018-03-26 | 2018-03-26 | The test method and device for the method for lift car emergency braking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810255067.8A CN110361208A (en) | 2018-03-26 | 2018-03-26 | The test method and device for the method for lift car emergency braking apparatus |
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|---|---|
| CN110361208A true CN110361208A (en) | 2019-10-22 |
Family
ID=68213075
Family Applications (1)
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|---|---|---|---|
| CN201810255067.8A Pending CN110361208A (en) | 2018-03-26 | 2018-03-26 | The test method and device for the method for lift car emergency braking apparatus |
Country Status (1)
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| CN (1) | CN110361208A (en) |
Cited By (2)
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| CN113307118A (en) * | 2020-02-27 | 2021-08-27 | 株式会社日立制作所 | Elevator emergency stop test method and power supply for elevator emergency stop test |
| CN113675017A (en) * | 2021-08-23 | 2021-11-19 | 中检集团公信安全科技有限公司 | Device and method for measuring emergency braking lost motion time of monorail crane |
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| CN113307118A (en) * | 2020-02-27 | 2021-08-27 | 株式会社日立制作所 | Elevator emergency stop test method and power supply for elevator emergency stop test |
| CN113675017A (en) * | 2021-08-23 | 2021-11-19 | 中检集团公信安全科技有限公司 | Device and method for measuring emergency braking lost motion time of monorail crane |
| CN113675017B (en) * | 2021-08-23 | 2024-05-31 | 中检集团公信安全科技有限公司 | Device and method for measuring emergency braking lost motion time of monorail crane |
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Application publication date: 20191022 |
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