CN109470503A - A kind of elevator experiment test device of no-load form - Google Patents
A kind of elevator experiment test device of no-load form Download PDFInfo
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- CN109470503A CN109470503A CN201811369153.8A CN201811369153A CN109470503A CN 109470503 A CN109470503 A CN 109470503A CN 201811369153 A CN201811369153 A CN 201811369153A CN 109470503 A CN109470503 A CN 109470503A
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- feeding tank
- elevator
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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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- 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
- G01M99/007—Subject matter not provided for in other groups of this subclass by applying a load, e.g. for resistance or wear testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of elevator experiment test devices of no-load form, comprising: counterweight water pocket part is placed in the carriage of elevator to be measured, different with weight for loading to elevator；Water supply part is connected with counterweight water pocket part, for adding water to counterweight water pocket part and extracting the water in counterweight water pocket part out；Switching control section adds or extracts water to counterweight water pocket part for controlling the water supply part according to the water of counterweight water pocket part.The present invention carries out experimental test to elevator by way of water replaces load, solve the problems, such as that traditional elevator test needs different require and necessary manual handling counterweight according to counterweight, water feeding tank and relevant apparatus are loaded by transport vehicle, to counterweight water pocket filled the water when being detected instead of elevator to the handling work of counterweight, detection time is shortened, counterweight water pocket is easy to use, facilitates recycling after detecting to elevator, labour has been liberated, working efficiency is increased.
Description
Technical field
The invention belongs to a kind of elevator experimental test of mechanical technical field more particularly to no-load form dresses
It sets.
Background technique
With the rapid development of China's Sciences Economics, China's building is just towards high stratification, hommization aspect development.Elevator is made
It is deposited in people's lives for facility essential to building is more and more common, incident is exactly that elevator safety is asked
The importance of topic, elevator safety test is self-evident.There are stringent regulation in various countries to elevator safety detection, in order to guarantee electricity
The safe operation of ladder must carry out periodic detection to it in elevator installation, test, examination according to China's relevant regulations, to test
Demonstrate,prove whether the elevator meets national Specification.Apply currently, the test method generally used both at home and abroad is utilized in carriage
Counterweight is detected: being carried out check and evaluation using the counterweight of different quality by the elevator to different model, and is detected counterweight matter
Amount is usually in 1600KG or more.And existing measurement method is needed according to different load ratios by artificial or machine at present
Standard test weight carrying is carried out to lift car, reviewer is needed to take a long time waiting, it is time-consuming and laborious.For this existing
Kind problem, needs the form experimental test new method of no elevator load.
Summary of the invention
Based on the above the deficiencies in the prior art, technical problem solved by the invention is to provide a kind of no-load form
Elevator experiment test device can be realized in the case where not needing manual handling weights, be completed by water instead of load
Elevator is detected.
In order to solve the above-mentioned technical problem, the present invention is achieved through the following technical solutions: the present invention provides a kind of no-load
The elevator experiment test device of lotus form, comprising:
Counterweight water pocket part, is placed in the carriage of elevator to be measured, different with weight for loading to elevator；
Water supply part is connected with counterweight water pocket part, for adding water to counterweight water pocket part and will match
Water extraction in heavy water capsule part；
Switching control section is connect with counterweight water pocket part and water supply part respectively, for according to the ballast water
The water of capsule part controls the water supply part and adds or extract water to counterweight water pocket part.
As an improvement of the above technical solution, counterweight water pocket part includes for containing the counterweight water pocket of water, being placed in
The outer wall of the counterweight water pocket is simultaneously used to observe the liquidometer of the intracapsular liquid level of ballast water, configuration in counterweight water pocket bottom
And the rubber vacuum sucker for stablizing counterweight water pocket.
By upper, it can be used for stablizing counterweight water pocket by rubber vacuum sucker, when carrying out water-filling to counterweight water pocket, in gravity
Under the action of, the air in the rubber vacuum sucker of counterweight water pocket bottom is extruded, so that rubber vacuum suction cup interior is formed very
Empty region, under the action of external atmosphere pressure, counterweight water pocket is attracted in lift car.
Optionally, counterweight water pocket part further includes the buffer for being placed in the water inlet of the counterweight water pocket；
The shape of the buffer is spherical container, and the inside of the spherical container has reticular structure, for reducing water flow
Impact to ballast water capsule internal structure.
By upper, flow rate of water flow is larger when can avoid water inflow counterweight water pocket by buffer causes to damage to counterweight water pocket
Wound.
In one embodiment of the invention, the water supply part includes water feeding tank, for switching going out for the water feeding tank
The flowing water Valve at the mouth of a river, the check valve for preventing the water in the counterweight water pocket from flowing back, for drawing water to counterweight water pocket
And water is drawn back into the suction pump in water feeding tank.
Optionally, the water feeding tank includes main water feeding tank and spare water feeding tank, the suction pump include respectively with the master
The permanent pump and spare suction pump that water feeding tank and spare water feeding tank match；
The flowing water Valve includes being each responsible for switching the first of the water outlet of the main water feeding tank and spare water feeding tank
Penstock and the second flowing water Valve；
The check valve include be respectively placed in the outlet pipeline of the main water feeding tank and spare water feeding tank it is first unidirectional
Valve and second one-way valve, first check valve, second one-way valve are respectively arranged in first flowing water Valve, the second outlet valve
The lower section of door, for preventing water adverse current in water supply process.
Further, main booster pump and spare is further respectively had in the outlet pipeline of the main water feeding tank and spare water feeding tank
Booster pump, for accelerating water-filling speed；
Third check valve and the 4th check valve are further respectively had in the inlet pipeline of the main water feeding tank and spare water feeding tank,
The third check valve and the 4th check valve are respectively arranged in the circuit of drawing water of the permanent pump, spare suction pump, are used for
Prevent water from flowing back into counterweight water pocket.
Optionally, the first ball-cock assembly and the second ball-cock assembly are respectively provided in the main water feeding tank and spare water feeding tank；
The structure of first ball-cock assembly and the second ball-cock assembly is identical, includes floating ball of the floating ball on the water surface, is located at institute
The connecting rod below floating ball is stated, is connect with the connecting rod and the piston pad of the water outlet for opening and closing water feeding tank.
By upper, the liquid level of water feeding tank can control by ball-cock assembly, prevent water feeding tank from entering water excess.
Preferably, the switching control section includes:
Humidity sensor is installed on the outer wall of the counterweight water pocket, for by the external environment moisture signal of counterweight water pocket
It is changed into electric signal；
Liquid level sensor is connected with the liquidometer and measures the static pressure in liquidometer, for converting the static pressure
For electric signal；
Solenoid valve, for switching the water inlet of counterweight water pocket；
PLC controller is connected with the liquid level sensor, humidity sensor and solenoid valve respectively, for by described
The electric signal of liquid level sensor and humidity sensor output, output control the signal of the on-off of the solenoid valve.
Optionally, the switching control section further includes the buzzer connecting with the humidity sensor, for working as counterweight
When damaged leakage occurs for the outer end of water pocket, warning note is carried out.
By upper, the elevator experiment test device of no-load form of the invention can directly be put when detecting by counterweight water pocket
It is placed in lift car and it is filled the water, and counterweight water pocket is consolidated using rubber vacuum Acetabula device, examined in elevator
After survey, the compressible placement of counterweight water pocket.Ballast water is intracapsular to be equipped with buffer, delays to water in counterweight water pocket is entered
Punching, counterweight water pocket are equipped with liquidometer, the intracapsular liquid level of observable ballast water outside, and liquidometer is connected with liquid level sensor, and liquid level passes
Using PLC controller as terminal, signal exports the opening and closing that solenoid valve is controlled to solenoid valve for sensor and humidity sensor.Transport vehicle
On main water feeding tank and spare water feeding tank be installed, water feeding tank is built-in with ball-cock assembly, and ball-cock assembly controls water feeding tank intake-outlet, water outlet
It is connected with valve under mouthful, has check valve under valve, prevents water from flowing back, booster pump is housed under check valve, for being pressurized to water,
Water-filling quickly is carried out to counterweight water pocket, suction pump is connected under water feeding tank water inlet, is responsible for taking water in counterweight water pocket, suction pump away
Under check valve is installed, prevent water from flowing back.Test device of the invention may be implemented water and carry out counterweight, contracting to elevator instead of load
Short detection time, reduces the investment of human and material resources, and then improve the degree of automation of detection, effectively raises work
Make efficiency.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, below in conjunction with preferred embodiment, and cooperates attached drawing, detailed description are as follows.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, the attached drawing to embodiment is simply situated between below
It continues.
Fig. 1 is the overall structure diagram of the elevator experiment test device of no-load form of the invention；
Fig. 2 is the humidity sensor and PLC controller, buzzing of the elevator experiment test device of no-load form of the invention
The connection schematic diagram of device；
Fig. 3 is the structural schematic diagram of the ball-cock assembly of the elevator experiment test device of no-load form of the invention；
Fig. 4 is the structural schematic diagram of the rubber vacuum sucker of the elevator experiment test device of no-load form of the invention.
In figure: 1- counterweight water pocket, the main water feeding tank of 2-, the spare water feeding tank of 3-, the first flowing water Valve of 4-, the second outlet valve of 5-
Door, 6- solenoid valve, 7- third check valve, the 4th check valve of 8-, the first check valve of 9-, 10- second one-way valve, 11- permanent pump,
The spare suction pump of 12-, the main booster pump of 13-, the spare booster pump of 14-, 15- liquidometer, 16- liquid level sensor, 17- buffer, 18-
PLC controller, the first ball-cock assembly of 19-, the second ball-cock assembly of 20-, 21- humidity sensor, 22- buzzer, 23- floating ball, 24- connect
Bar, 25- piston pad, 26- rubber vacuum sucker.
Specific embodiment
The embodiment of the invention will now be described in detail with reference to the accompanying drawings, and as part of this specification passes through
Embodiment illustrates the principle of the present invention, and other aspects of the present invention, feature and its advantage will become by the detailed description
It is very clear.In the attached drawing of institute's reference, the same or similar component is indicated using identical drawing reference numeral in different figures.
As shown in Figs 1-4, the elevator experiment test device of no-load form of the invention includes counterweight water pocket part, supplies water
Partially, switching control section, wherein counterweight water pocket is partially disposed in the carriage of elevator to be measured, different for loading to elevator
With weight；Water supply part is connected with counterweight water pocket part, for adding water to counterweight water pocket part and by counterweight
Water extraction in water pocket part；Switching control section is connect with counterweight water pocket part and water supply part respectively, is used for basis
The water of counterweight water pocket part controls the water supply part and adds or extract water to counterweight water pocket part.
Wherein, counterweight water pocket part includes counterweight water pocket 1, and counterweight water pocket has good plasticity, and test front and back is just
It is recycled in arranging, the lower part of counterweight water pocket 1 is furnished with rubber vacuum sucker 26, for stablizing counterweight water pocket 1, when to counterweight water pocket 1
When carrying out water-filling, under gravity, the air in the rubber vacuum sucker 26 of 1 bottom of counterweight water pocket is extruded, so that rubber
Vacuum area is formed inside glue vacuum chuck 26, under the action of external atmosphere pressure, counterweight water pocket 1 is attracted to lift car
In.Counterweight water pocket 1 is provided with buffer 17, has reticular structure inside the buffer 17, can effectively reduce water flow to matching
The impact of 1 internal structure of heavy water capsule.Buffer 17 is placed in the water inlet of counterweight water pocket 1, when carrying out water-filling to counterweight water pocket 1,
Flow rate of water flow is larger and cause to damage to dependency structure in counterweight water pocket when to avoid water from flowing into counterweight water pocket 1, therefore counterweight water pocket
Buffer 17 is installed in water inlet, and the shape of buffer can be spherical container, reticular structure is housed in spherical container, water is flowing into
Spherical container is introduced into before counterweight water pocket 1 to be buffered, counterweight water pocket 1 then can be flowed into, and is effectively slowed down to ballast water
The buffering of 1 interior wall construction of capsule, plays certain protective effect.
In addition, the outer wall of counterweight water pocket 1 is equipped with liquidometer 15, there are corresponding scale and buoy in liquidometer 15, it can be from outer
The scale of boundary's buoy meaning reflects the height of liquid level in counterweight water pocket 1, and 15 lower section of liquidometer is connected with the intracapsular portion of ballast water, and two
Person constitutes linker structure, can observe the intracapsular portion's water of ballast water by registration corresponding to extraneous buoy.
Water supply part of the invention include water feeding tank, water outlet for switching the water feeding tank flowing water Valve, be used for
The check valve that prevents the water in the counterweight water pocket from flowing back, for being drawn water to counterweight water pocket and water being drawn back into water feeding tank
Suction pump.Wherein, there are two the water feeding tank is total to, one is main water tank 2, another is spare water feeding tank 3, two water
Case is placed on transport vehicle, is convenient for mobile operational process.Main water feeding tank 2 on transport vehicle supplies water to counterweight water pocket 1, in master
Water feeding tank 2 breaks down or when main 2 water shortage of water feeding tank, starts spare water feeding tank 3 and supplies water.The suction pump includes difference
The permanent pump 11 and spare suction pump 12 to match with the main water feeding tank 2 and spare water feeding tank 3, permanent pump 11 and spare
Water can be pumped into two water feeding tanks and stored by suction pump 12.The flowing water Valve includes being each responsible for switching the main water feeding tank 2
With the first flowing water Valve 4 and the second flowing water Valve 5 of the water outlet of spare water feeding tank 3, for controlling flowing down for water；It is described unidirectional
Valve includes the first check valve 9 being respectively placed in the outlet pipeline of the main water feeding tank 2 and spare water feeding tank 3 and second one-way valve
10, first check valve 9, second one-way valve 10 are respectively arranged under first flowing water Valve 4, the second flowing water Valve 5
Side, for preventing water adverse current in water supply process.
Main booster pump 13 and spare pressurization are further respectively had in the outlet pipeline of the main water feeding tank 2 and spare water feeding tank 3
Pump 14, for accelerating water-filling speed, rapid water filling can be carried out to counterweight water pocket 1 by opening main booster pump 13 and spare booster pump 14.
Third check valve 7 and the 4th check valve 8 are further respectively had in the inlet pipeline of the main water feeding tank 2 and spare water feeding tank 3, it is described
Third check valve 7 and the 4th check valve 8 are respectively arranged in the circuit of drawing water of the permanent pump 11, spare suction pump 12, are used
In preventing water from flowing back into counterweight water pocket.By the collective effect of four check valves 7,8,9,10,1 He of counterweight water pocket ensure that
The inflow and outflow of water feeding tank.
After completing to detect to elevator, opens two suction pumps, 11,12 pairs of counterweight water pockets 1 and draw water, water is drawn back into confession
In water tank；The counterweight needed for elevator is larger, when the working time requires shorter, needs to open booster pump 13,14, accelerates water-filling speed
Degree improves working efficiency.
As shown in figure 3, being respectively provided with the first ball-cock assembly 19 and the second floating ball in the main water feeding tank 2 and spare water feeding tank 3
Valve 20, first ball-cock assembly 19 is identical with the structure of the second ball-cock assembly 20, includes floating ball 23 of the floating ball on the water surface, is located at
The connecting rod 24 of 23 lower section of the floating ball is connect and the piston pad of the water outlet for opening and closing water feeding tank with the connecting rod 24
25.The ball-cock assembly 19,20 is made of floating ball 23, connecting rod 24, piston pad 25, and the floating ball 23 swims in water feeding tank
2, on 3 waters surface, when supplying water to counterweight water pocket 1, floating ball 23 follows water level decreasing, drives connecting rod 24, and connecting rod 24 is by piston
Pad 25 pulls up, and opens water feeding tank water outlet.When drawing water to counterweight water pocket 1, during water feeding tank is full of, floating ball
23 gradually rise with the rising of the water surface, drive connecting rod 24, and connecting rod 24 pastes piston pad 25 and water feeding tank water outlet extremely, and water stops
Only enter in water feeding tank.The floating ball 23 is present in water feeding tank 2,3, and floating ball floats on the water surface always, when the water surface goes up, floats
Ball also and then rises, and floating ball, which rises, just drives connecting rod also to rise.The connecting rod is connected with the valve of the other end, certain when rising to
When position, rubber piston pad 25 is withstood on water feeding tank water outlet by connecting rod, and water stops entering water feeding tank.When the water level descends, floating ball
23 also decline, and connecting rod 24 drives piston pad 25 to open again, can control the liquid level of water feeding tank by ball-cock assembly, prevent water feeding tank from entering
Water is excessive.
Switching control section in the present invention includes liquid level sensor 16, humidity sensor 21, PLC controller 18, electromagnetism
Valve 6 and buzzer 22, the liquid level sensor 16 link together with liquidometer 15, can measure the static pressure in liquidometer 15, will
The static pressure signal of water is changed into electric signal in liquidometer 15；The humidity sensor 21 is installed on the outer wall of the counterweight water pocket 1,
For detecting 1 outer end humidity of counterweight water pocket, 1 external environment humidity parameter signal of counterweight water pocket is changed into electric signal, the PLC
Controller 18 is the bridge for connecting liquid level sensor 16, humidity sensor 21 and solenoid valve 6, passes through liquid level sensor 16, humidity
Sensor 21 exports electric signal to PLC controller 18, and the on-off of output control solenoid valve 6 prevents from making because of counterweight water pocket leak
At elevator operation troubles.The solenoid valve 6 is the valve switch for controlling water flow and entering counterweight water pocket 1, is responsible for switch counterweight water pocket 1
Water inlet, automatic shutter counterweight water pocket water inlet is loaded according to water required by counterweight water pocket, furthermore it is also possible to prevent from matching
The counterweight water pocket water inlet that heavy water capsule occurs leakage failure and influences lift running safety setting switchs.The buzzer 22 with it is wet
It spends sensor 21 to connect, warning function is executed by the electric signal that humidity sensor 21 exports, when 1 outer end of counterweight water pocket occurs
When breakage leakage, warning note is carried out.
In the present invention, by opening the flowing water Valve of the inlet valve of counterweight water pocket 1, water feeding tank, water by booster pump,
Buffer 17 enters counterweight water pocket 1, and completion quicklys increase elevator load.By opening suction pump, water is taken out through check valve
Enter water feeding tank, completes the off-load to elevator.Counterweight water pocket outer end is connected by humidity sensor 21, signal is input to PLC control
Output solenoid valve controls signal in device 18, controls the on-off of solenoid valve 6.PLC control is input to by 16 signal of liquid level sensor
In device 18, output solenoid valve controls signal, controls the on-off of solenoid valve 6, thus, it is possible to meet the needs according to counterweight, realizes
It supplies water, draw water.
In the following, testing the elevator of no-load form of the invention and surveying referring to figs. 1 to 4 and the description of combination above structure
The working principle that trial assembly is set is briefly described:
When needing to carry out counterweight to lift car when elevator detection, 15 registration of liquidometer in counterweight water pocket 1 is at this time
0, liquid level sensor 16 is to 18 input signal of PLC controller, 18 output solenoid valve of PLC controller, 6 open signal, opens solenoid valve
6, by opening the first flowing water Valve 4 of main water feeding tank 2 and the second flowing water Valve 5 of spare water feeding tank 3, pressurization is opened when necessary
Pump 13,14.Water enters ballast water capsule 1 after the buffering of buffer 17, realizes the increase of elevator counterweight.When water in ballast box 1
When position rises to expected counterweight water level, by 16 input signal of liquid level sensor to PLC controller 18, solenoid valve 6 is closed in control.
After the completion of elevator detection, flowing water Valve 4,5 and booster pump 13,14 are closed, opens suction pump 11,12, water is through matching
1 bottom conduit of heavy water capsule is drawn into water feeding tank, with the rising of water feeding tank liquid level, when the water in counterweight water pocket 1 is all taken out
When walking, water feeding tank is just filled, and under the action of ball-cock assembly, the water outlet of water feeding tank is closed.At this point, closing suction pump
11, it 12 stops pumping.
In entire detection process, humidity sensor 21 works always, will test the current signal input PLC being converted to
In controller 18 and buzzer 22, output solenoid valve controls signal and alarm signal, effectively plays fault diagnosis and handles
Effect.
The elevator experiment test device of no-load form of the invention can be realized according to counterweight demand adjust automatically water level,
Experimental test can be carried out to elevator by way of water replaces load, solve traditional elevator test and need according to counterweight not
With requirement the problem of necessary manual handling counterweight.A kind of form of the no elevator load provided by using the present apparatus, which is tested, to be surveyed
New method is tried, water feeding tank and relevant apparatus are loaded by transport vehicle, when the replacement elevator filled the water to counterweight water pocket detects
To the handling work of counterweight, detection time is shortened, reduces the investment of human and material resources, and then improves the automation of detection
Degree effectively raises working efficiency, solves previous Measurement of Elevator needs and is needed constantly to carry counterweight weight according to counterweight
The problem of code, counterweight water pocket is easy to use, to recycling is facilitated after elevator detection, has liberated labour, has increased working efficiency.
The above is a preferred embodiment of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, it is noted that for those skilled in the art, without departing from the principle of the present invention, may be used also
To make several improvement and variation, these, which improve and change, is also considered as protection scope of the present invention.
Claims (9)
1. a kind of elevator experiment test device of no-load form characterized by comprising
Counterweight water pocket part, is placed in the carriage of elevator to be measured, different with weight for loading to elevator；
Water supply part is connected with counterweight water pocket part, for adding water to counterweight water pocket part and by ballast water
Water extraction in capsule part；
Switching control section is connect with counterweight water pocket part and water supply part respectively, for according to counterweight water pocket portion
The water divided controls the water supply part and adds or extract water to counterweight water pocket part.
2. the elevator experiment test device of no-load form as described in claim 1, which is characterized in that counterweight water pocket portion
Divide includes for containing the counterweight water pocket of water, being placed in the outer wall of the counterweight water pocket and for observing the intracapsular liquid level of ballast water
Liquidometer, configuration is in counterweight water pocket bottom and for stablizing the rubber vacuum sucker of counterweight water pocket.
3. the elevator experiment test device of no-load form as claimed in claim 2, which is characterized in that counterweight water pocket portion
Dividing further includes the buffer for being placed in the water inlet of the counterweight water pocket；
The shape of the buffer is spherical container, and the inside of the spherical container has reticular structure, for reducing water flow to matching
The impact of heavy water capsule internal structure.
4. the elevator experiment test device of no-load form as claimed in claim 2, which is characterized in that the water unit subpackage
Include water feeding tank, the flowing water Valve of water outlet for switching the water feeding tank, for preventing the water in the counterweight water pocket from flowing back
Check valve, for being drawn water to counterweight water pocket and water being drawn back into the suction pump in water feeding tank.
5. the elevator experiment test device of no-load form as claimed in claim 4, which is characterized in that the water feeding tank includes
Main water feeding tank and spare water feeding tank, the suction pump include the main pumping to match respectively with the main water feeding tank and spare water feeding tank
Water pump and spare suction pump；
The flowing water Valve includes the first outlet valve for being each responsible for switching the water outlet of the main water feeding tank and spare water feeding tank
Door and the second flowing water Valve；
The check valve include the first check valve for being respectively placed in the outlet pipeline of the main water feeding tank and spare water feeding tank and
Second one-way valve, first check valve, second one-way valve are respectively arranged in first flowing water Valve, the second flowing water Valve
Lower section, for preventing water adverse current in water supply process.
6. the elevator experiment test device of no-load form as claimed in claim 5, which is characterized in that the main water feeding tank and
Main booster pump and spare booster pump are further respectively had in the outlet pipeline of spare water feeding tank, for accelerating water-filling speed；
Third check valve and the 4th check valve are further respectively had in the inlet pipeline of the main water feeding tank and spare water feeding tank, it is described
Third check valve and the 4th check valve are respectively arranged in the circuit of drawing water of the permanent pump, spare suction pump, for preventing
Water flows back into counterweight water pocket.
7. the elevator experiment test device of no-load form as claimed in claim 4, which is characterized in that the main water feeding tank and
The first ball-cock assembly and the second ball-cock assembly are respectively provided in spare water feeding tank；
The structure of first ball-cock assembly and the second ball-cock assembly is identical, include floating ball of the floating ball on the water surface, be located at it is described floating
Connecting rod below ball is connect and the piston pad of the water outlet for opening and closing water feeding tank with the connecting rod.
8. the elevator experiment test device of no-load form as claimed in claim 2, which is characterized in that the switching controlling part
Divide and includes:
Humidity sensor is installed on the outer wall of the counterweight water pocket, for changing the external environment moisture signal of counterweight water pocket
For electric signal；
Liquid level sensor is connected with the liquidometer and measures the static pressure in liquidometer, for the static pressure to be converted to electricity
Signal；
Solenoid valve, for switching the water inlet of counterweight water pocket；
PLC controller is connected with the liquid level sensor, humidity sensor and solenoid valve respectively, for passing through the liquid level
The electric signal of sensor and humidity sensor output, output control the signal of the on-off of the solenoid valve.
9. the elevator experiment test device of no-load form as claimed in claim 8, which is characterized in that the switching controlling part
Dividing further includes the buzzer connecting with the humidity sensor, for carrying out when damaged leakage occurs for the outer end of counterweight water pocket
Warning note.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811369153.8A CN109470503A (en) | 2018-11-16 | 2018-11-16 | A kind of elevator experiment test device of no-load form |
| PCT/CN2019/115427 WO2020098525A1 (en) | 2018-11-16 | 2019-11-04 | No-load type elevator test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811369153.8A CN109470503A (en) | 2018-11-16 | 2018-11-16 | A kind of elevator experiment test device of no-load form |
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| CN109470503A true CN109470503A (en) | 2019-03-15 |
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| CN201811369153.8A Pending CN109470503A (en) | 2018-11-16 | 2018-11-16 | A kind of elevator experiment test device of no-load form |
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| CN (1) | CN109470503A (en) |
| WO (1) | WO2020098525A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044650A (en) * | 2019-05-23 | 2019-07-23 | 重庆迈高电梯有限公司 | A kind of loading system and loading method for elevator load test |
| CN110411772A (en) * | 2019-08-02 | 2019-11-05 | 广州特种机电设备检测研究院 | Elevator no-load static state traction test detection method and device |
| WO2020098525A1 (en) * | 2018-11-16 | 2020-05-22 | 山东科技大学 | No-load type elevator test device |
| CN113287651A (en) * | 2021-04-28 | 2021-08-24 | 于敬峰 | A counter weight feed mechanism for freezing on meat chipper |
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| WO2020098525A1 (en) * | 2018-11-16 | 2020-05-22 | 山东科技大学 | No-load type elevator test device |
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| CN113287651A (en) * | 2021-04-28 | 2021-08-24 | 于敬峰 | A counter weight feed mechanism for freezing on meat chipper |
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| WO2020098525A1 (en) | 2020-05-22 |
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