CN203719757U - Electromechanical liquid integration-based elevator weighing apparatus intelligent detector - Google Patents
Electromechanical liquid integration-based elevator weighing apparatus intelligent detector Download PDFInfo
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- CN203719757U CN203719757U CN201420027055.7U CN201420027055U CN203719757U CN 203719757 U CN203719757 U CN 203719757U CN 201420027055 U CN201420027055 U CN 201420027055U CN 203719757 U CN203719757 U CN 203719757U
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Abstract
The utility model discloses an electromechanical liquid integration-based elevator weighing apparatus intelligent detector comprising a telescopic moving arm, a telescopic fixed arm, a support, an upper pressing plate, a lower supporting plate, a pressure sensor, a display control box, a single action hydraulic cylinder, a hydraulic pump station, locating pins, a box body, a box cover. According to the elevator weighing apparatus intelligent detector, the high-pressure oil provided by the hydraulic pump station is used as a power source; a control system using a single-chip microcomputer as a core is used for controlling an electromagnetic reversing valve and thus the single action hydraulic cylinder piston can move up and down, thereby realizing elevator car bottom loading and unloading at a non-flat layer position by a plier type lever mechanism formed by the moving arm, the fixed arm and the support. An elevator load is simulated at the car bottom and the elevator car bottom weighing device is detected. Because of utilization of the plier type lever mechanism and the single-chip microcomputer intelligent controlling, defects of lots of manpower and financial resources consuming and low detection precision due to manual standard weight carrying to reach the elevator rated load for detection in the prior art can be overcome. Moreover, the detector has advantages of simple and compact structure, easy operation and convenient carrying and is especially suitable for annual maintenance of most of elevators as well as car weighing device detection work during maintenance.
Description
Technical field
The utility model relates to for detection of the instrument that is placed in elevator car bottom meausring apparatus, especially relates to a kind of instrument of the elevator meausring apparatus Intelligent Measurement based on mechanical-electrical-hydraulic integration.
Background technology
Elevator is the accurate means of transport up and down of structure in buildings, collection building, machinery, the integrated equipment of electrical equipment, the serviceable life that regular systematicness maintenance and the maintenance of specification can not only be guaranteed elevator safety reliability service, elongated component, and can find in time or in advance fault or hidden danger, and then reduce to greatest extent elevator faults, ensure that the security performance of equipment is used with reliable.
According to the rules, when sedan-chair internal load exceedes nominal load capacity, exceed rated load 10%, and elevator can not start operation while being not less than 75kg, sends the sound and light warning signal simultaneously, this warning device is called meausring apparatus.Meausring apparatus is the important protective device of the one of elevator; particularly elevator without driver operation state under, because people do not know elevator key property, run into and slip car or other improper working orders; past flight from cab mostly blindly, thus the tragedy that much should not occur caused.And overload protection function is for guaranteeing that boarding personnel's personal safety and the goods of elevator conveying and lift facility inherently safe etc. are all very important.
At the bottom of meausring apparatus is generally located at sedan-chair, basic structure is that several microswitches or contact or weight sensor are installed on bottom girder, while increasing to bottom offset due to load at the bottom of being placed in active car on resilient material or sedan-chair, touch microswitch and send signal, or send the continuous signal corresponding with load by sensor.
According to the Contents and request of TSG T5001-2009 " elevator uses management and maintaining rule " maintenance work, in the maintenance of elevator annual maintenance, must detect car weighing device, guarantee its accurate and effective.In actual testing process, often need the rated load that reaches elevator by carrying standard test weight to test, expend a large amount of manpower financial capacities, and inefficiency.Therefore, be necessary to research and develop a kind of portable meausring apparatus checkout equipment, solve emphatically following problem:
(1) output elevator that can be adjustable and stable continuously detects simulation load, realizes intelligent detection;
(2) checkout equipment equipment can be according to detected object free adjustment, realizes flexibility and detects;
(3) checkout equipment integral disassembly, assembly is convenient or capable of expansion and contraction, realizes portable inspectiont.
Utility model content
In order to overcome above-mentioned the deficiencies in the prior art and to meet intelligent, flexibility, portability detects, the utility model provides a kind of elevator meausring apparatus intelligent detecting instrument based on mechanical-electrical-hydraulic integration, the hydraulic oil that this detector provides taking hydraulic power unit is power source, by the control system taking single-chip microcomputer as core, solenoid directional control valve is controlled, make single-action hydraulic cylinder piston up-down, thereby realize by swing arm, " pliers " formula leverage of determining arm and support composition carries out loading and unloading to the lift car bottom that is parked in non-level position, in car bottom simulant elevator load, elevator car bottom meausring apparatus is detected.Equipment can be according to detected object free adjustment, and exportable continuously adjustable loading force, can realize microcomputer-recognized intelligent control, and Whole Equipment is lightweight, collapsible, easy to carry.
The technical scheme that the utility model adopts is: by flexible swing arm, flexible determine arm, support, top board, lower roof plate, pressure transducer, demonstration control enclosure, single-action hydraulic cylinder, hydraulic power unit, tommy, casing, case lid etc. and form.I arm, II arm, III arm connect to form flexible swing arm by I tommy, I tommy, IV arm, V arm, VI arm connect to form the flexible arm of determining by II tommy, II tommy, flexible determine arm and be connected with I bar, II bar by tommy with flexible swing arm, I bar, II bar are bolted on base plate, composition supporting structure.Stretching, it is relative with support fixing to determine arm, and flexible swing arm can rotate relative to support, composition " pliers " formula leverage.Single-action hydraulic cylinder is connected on III arm and II arm by pin, and top board, lower roof plate are arranged on I arm, VI arm.The signal wire of pressure transducer is connected with the input port that shows control enclosure, and the solenoid directional control valve control line of hydraulic power unit is connected with the output port that shows control enclosure, and the oil pipe of hydraulic power unit is connected with single-action hydraulic cylinder by pipe adapter.Case lid is connected with casing by hinge, and casing is fixed by screws on base plate.For convenience of moving and carrying, under base plate, wheel is installed, handle is installed on casing.
When work taking meausring apparatus at the bottom of sedan-chair as detected object, in order to realize, the intellectuality on lift car floor is loaded continuously, not only can realize at sedan-chair bed die and intend elevator load by flexible " pliers " formula lever system of determining arm, flexible swing arm and support composition, the more important thing is that this lever system utilizes the clamping force location of self.The intellectuality that realizes detector equipment simulation load by the closed loop hydraulic control system of single-chip microcomputer, pressure transducer, hydraulic power unit, single-action hydraulic cylinder composition is adjustable continuously.Due to the difference of elevator model and manufacturer, lift platform structure also there are differences, and in order to make elevator meausring apparatus intelligent detecting instrument have versatility, can flexiblely detect all kinds of elevators, simulation load equipment adopts multiple-degree-of-freedom mechanism design, can realize free adjustment., conveniently moving simple to operate according to ergonomics, the principle such as little that takes up room,, upset collapsible for adopting between the each parts of checkout equipment entirety, the connected mode such as flexible realize and effectively connecting, and ensure the portability of this equipment.
Compared with prior art, the beneficial effects of the utility model are:
(1) the maximum difference of the utility model and prior art is to have abandoned completely the method that the existing rated load that reaches elevator by carrying standard test weight is tested, the feature of " pliers " formula of utilization leverage, adopt hydraulic pressure that power is provided, use volume is little, lightweight detector applies required load just can to car bottom, substitute the upper ton counterweight of the required carrying of existing method, only need 1-2 name operating personnel just can complete the detection to elevator meausring apparatus, therefore significantly reduced manpower financial capacity's input, significantly improve the efficiency of elevator meausring apparatus testing.
(2) the continuous intellectuality of the closed loop hydraulic control system load that realization adds consisting of single-chip microcomputer, pressure transducer, hydraulic pump, single-action hydraulic cylinder is adjustable, only need on control panel, press corresponding control knob, equipment just can load voluntarily according to default program, realize intelligent control, eliminated the deficiency that method takes time and effort and precision is not high of the artificial swing weight-adding of existing employing.
(3) in conjunction with the actual conditions at test job scene; the utility model physical dimension can adapt to most of vehicle trunk; be convenient to transport; lightweight, be convenient to manually carry, when work, can realize manual and electric and switch; can adapt to the elevator of most specifications; various situations can easily tackle test job time, and there is reliable safety protection function, thus significantly reduce test job personnel's workload.
Brief description of the drawings
Fig. 1 is telescopic arm tester schematic appearance while stretching out.
Fig. 2 is tester cabinet inside structural representation.
Fig. 3 is " pliers " formula leverage schematic diagram.
Fig. 4 is top board part-structure schematic diagram.
Tester schematic appearance when Fig. 5 is telescopic arm contraction.
Reference numeral: top board 1, I arm 2, I tommy 3, II arm 4, I tommy 5, III arm 6, casing 7, control enclosure 8, case lid 9, wheel 10, IV arm 11, II tommy 12, V arm 13, II tommy 14, VI arm 15, lower roof plate 16, I pin 17, I bar 18, single-action hydraulic cylinder 19, II pin 20, II bar 21, hydraulic power unit 22, pressure transducer 23, Connection Block 24, III pin 25, guider screw 26.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As shown in accompanying drawing 1, accompanying drawing 2 and accompanying drawing 4, composition of the present utility model comprises flexible swing arm, stretches and determine arm, support, top board, lower roof plate, pressure transducer, demonstration control enclosure, single-action hydraulic cylinder, hydraulic power unit, tommy, casing, case lid etc.
Embodiment 1, a kind of elevator meausring apparatus intelligent detecting instrument based on mechanical-electrical-hydraulic integration, by flexible swing arm, flexible determine arm, support, top board, lower roof plate, pressure transducer, demonstration control enclosure, single-action hydraulic cylinder, hydraulic power unit, tommy, casing, case lid etc. and form; Wherein: I arm 2, II arm 4, III arm 6 connect to form flexible swing arm by I tommy 3, I tommy 5, IV arm 11, V arm 13, VI arm 15 connect to form the flexible arm of determining by II tommy 12, II tommy 14, flexible determine arm and be connected with I bar 18, II bar 21 by tommy with flexible swing arm, I bar 18, II bar 21 are bolted on base plate, form " pliers " formula leverage; Single-action hydraulic cylinder 19 is connected on III arm 6 and IV arm 11 by pin, and top board 1, lower roof plate 16 are arranged on I arm 2, VI arm 15; The signal wire of pressure transducer 23 is connected with the input port that shows control enclosure 8, and the solenoid directional control valve control line of hydraulic power unit 22 is connected with the output port that shows control enclosure 8, and the oil pipe of hydraulic power unit 22 is connected with single-action hydraulic cylinder 19 by pipe adapter; Case lid 9 is connected with casing 7 by hinge, and casing 7 is fixed by screws on base plate, and wheel 10 is installed under base plate, and handle is installed on casing.
Embodiment 2, a kind of elevator meausring apparatus intelligent detecting instrument based on mechanical-electrical-hydraulic integration, wherein: pressure transducer 23 is arranged on Connection Block 24 and top board 1, located by Connection Block 24 and the stopper slot on top board 1, and with screw in compression; Connection Block 24 is directly provided with two guider screws 26 with top board 1, and Connection Block is connected with I arm 2 by III pin 25.All the other are with embodiment 1.
Embodiment 3, a kind of elevator meausring apparatus intelligent detecting instrument based on mechanical-electrical-hydraulic integration, wherein: II pin 20 links together the lower earrings of single-action hydraulic cylinder 19, II arm 4 rear ends and II bar 21, I bar 18, II bar 21 are bolted and on base plate, form support, formed by IV arm 11, V arm 13, VI arm 15 flexible to determine arm relative with support fixing, the flexible swing arm being made up of I arm 2, II arm 4, III arm 6 is connected on support by I pin 17, can rotate around support.All the other are with embodiment 1 or 2.
Embodiment 4, a kind of elevator meausring apparatus intelligent detecting instrument based on mechanical-electrical-hydraulic integration, wherein: show that control enclosure 8 is made up of single-chip microcomputer, A/D conversion chip, display screen, keyboard, relay, box body etc., pressure transducer 23 is connected with A/D conversion chip upper port in demonstration control enclosure 8 by signal wire, A/D conversion chip is connected with single-chip microcomputer, single-chip microcomputer delivery outlet is connected with relay, relay interface is connected with the electromagnet interface of solenoid directional control valve in hydraulic power unit 22 by circuit, a complete closed loop of entirety composition.All the other are with embodiment 1 or 2.
Method of work of the present utility model is as follows:
Before elevator meausring apparatus is detected, lift car is parked in to non-level position, open ladder door, by operating personnel, checkout equipment is pushed into ladder in front of the door and the swing arm and flexiblely determine arm and be stretched to Len req of stretching." pliers " formula leverage is aimed at the bottom of sedan-chair, top board 1 is aimed to sedan-chair with lower roof plate 16 at the bottom of centre.By the load rank of the load selection key input institute detection elevator on indicative control unit 8, press prestrain button, indicative control unit 8 sends command signal to hydraulic power unit 22, solenoid directional control valve left end electromagnet DT1 obtains electric, change-over valve core is to left movement, pressure oil is flowed into by the rodless cavity of one-way cylinder 19, the piston of one-way cylinder 19 rises, cause that flexible swing arm rotates with respect to pin 17, thereby " pliers " formula leverage is clamped, and its clamping force feeds back to indicative control unit 8 by pressure transducer 23.
When clamping force reach default load 80% time, indicative control unit 8 sends command signal again to hydraulic power unit 22, solenoid directional control valve left end electromagnet DT1 dead electricity, during change-over valve core is returned, pressure oil stops flowing, oil cylinder pressurize, " pliers " formula leverage keeps clamping force constant, completes prestrain and realizes the location of tester at the bottom of sedan-chair.Then by the crawl load button on indicative control unit 8, realize the fine setting to added load, its loading principle and above-mentioned prestrain are similar, only at every turn crawl to add load capacity less.Crawl loads until elevator sends overload warning, writes down the load registration on display screen now, by requiring to compare with the technical parameter of detected elevator, can judge that whether this elevator meausring apparatus is working properly.
Complete after loading work, press the unload button on indicative control unit 8, can send command signal to hydraulic power unit 22, solenoid directional control valve right-hand member electromagnet DT2 obtains electric, change-over valve core moves right, hydraulic oil under the returning spring power of one-way cylinder 19, be back to hydraulic power unit 22 in fuel tank, oil cylinder piston decline, thereby " pliers " formula leverage is unclamped, complete the unloading at the bottom of sedan-chair.Complete after detection, will stretch and determine arm and the retraction of flexible swing arm, each mechanism and instrument are resetted, cut off the electricity supply, can take away Test Field by operating personnel.
This elevator meausring apparatus intelligent detecting instrument; can under interchange 170V ~ 220V voltage, normally work; lift car bottom is applied to the continuously adjustable load of 0 ~ 1500kg; the car bottom that is applicable to thick 250mm ~ 450mm, load resolution is 0.5kg, has reliable mechanical protection and electric protective device; complete machine is lightweight; volume is little, and measuring process is convenient and swift, safe and reliable.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as the various transformations that adopted method design of the present utility model and technical scheme to carry out; or directly apply to other occasion without improvement, all within protection domain of the present utility model.
Claims (4)
1. the elevator meausring apparatus intelligent detecting instrument based on mechanical-electrical-hydraulic integration, by flexible swing arm, flexible determine arm, support, top board, lower roof plate, pressure transducer, demonstration control enclosure, single-action hydraulic cylinder, hydraulic power unit, tommy, casing, case lid etc. and form; It is characterized in that: I arm (2), II arm (4), III arm (6) connect to form flexible swing arm by I tommy (3), I tommy (5), IV arm (11), V arm (13), VI arm (15) connect to form the flexible arm of determining by II tommy (12), II tommy (14), flexible determine arm and be connected with I bar (18), II bar (21) by tommy with flexible swing arm, I bar (18), II bar (21) are bolted on base plate, form " pliers " formula leverage; It is upper with IV arm (11) that single-action hydraulic cylinder (19) is connected to III arm (6) by pin, and top board (1), lower roof plate (16) are arranged on I arm (2), VI arm (15); The signal wire of pressure transducer (23) is connected with the input port that shows control enclosure (8), the solenoid directional control valve control line of hydraulic power unit (22) is connected with the output port that shows control enclosure (8), and the oil pipe of hydraulic power unit (22) is connected with single-action hydraulic cylinder (19) by pipe adapter; Case lid (9) is connected with casing (7) by hinge, and casing (7) is fixed by screws on base plate, and wheel (10) is installed under base plate, and handle is installed on casing.
2. a kind of elevator meausring apparatus intelligent detecting instrument based on mechanical-electrical-hydraulic integration according to claim 1, it is characterized in that: pressure transducer (23) is arranged on Connection Block (24) and top board (1), by the stopper slot location on Connection Block (24) and top board (1), and with screw in compression; Connection Block (24) is directly provided with two guider screws (26) with top board (1), and Connection Block is connected with I arm (2) by III pin (25).
3. a kind of elevator meausring apparatus intelligent detecting instrument based on mechanical-electrical-hydraulic integration according to claim 1 and 2, it is characterized in that: II pin (20) is by the lower earrings of single-action hydraulic cylinder (19), II arm (4) rear end and II bar (21) link together, I bar (18), II bar (21) is bolted and on base plate, forms support, by IV arm (11), V arm (13), it is relative with support fixing that VI arm (15) composition flexible determined arm, by I arm (2), II arm (4), the flexible swing arm of III arm (6) composition is connected on support by I pin (17), can rotate around support.
4. a kind of elevator meausring apparatus intelligent detecting instrument based on mechanical-electrical-hydraulic integration according to claim 1 and 2, it is characterized in that: show that control enclosure (8) is by single-chip microcomputer, A/D conversion chip, display screen, keyboard, relay, the compositions such as box body, pressure transducer (23) is connected with showing the middle A/D conversion chip upper port of control enclosure (8) by signal wire, A/D conversion chip is connected with single-chip microcomputer, single-chip microcomputer delivery outlet is connected with relay, relay interface is connected with the electromagnet interface of solenoid directional control valve in hydraulic power unit (22) by circuit, a complete closed loop of entirety composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420027055.7U CN203719757U (en) | 2014-01-16 | 2014-01-16 | Electromechanical liquid integration-based elevator weighing apparatus intelligent detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420027055.7U CN203719757U (en) | 2014-01-16 | 2014-01-16 | Electromechanical liquid integration-based elevator weighing apparatus intelligent detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203719757U true CN203719757U (en) | 2014-07-16 |
Family
ID=51158897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420027055.7U Expired - Fee Related CN203719757U (en) | 2014-01-16 | 2014-01-16 | Electromechanical liquid integration-based elevator weighing apparatus intelligent detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203719757U (en) |
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2014
- 2014-01-16 CN CN201420027055.7U patent/CN203719757U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20150116 |
|
| EXPY | Termination of patent right or utility model |