CN201580951U - Anti-explosion electric forklift - Google Patents
Anti-explosion electric forklift Download PDFInfo
- Publication number
- CN201580951U CN201580951U CN2009203163471U CN200920316347U CN201580951U CN 201580951 U CN201580951 U CN 201580951U CN 2009203163471 U CN2009203163471 U CN 2009203163471U CN 200920316347 U CN200920316347 U CN 200920316347U CN 201580951 U CN201580951 U CN 201580951U
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Abstract
The utility model relates to an anti-explosion electric forklift, comprising a gas detection control system. The system comprises a GDS appliance assembly, a gas detection control probe, an anti-explosion ignition switch, a GDS alarm buzzer unit, an alarm anti-explosion LED indicating lamp unit, an ignition relay, a storage battery connector, a direct-current contactor, a distribution box and an emergency stopping switch, wherein the gas detection control probe is connected with the GDS appliance assembly; the anti-explosion ignition switch is connected with the GDS appliance assembly; the distribution box is connected with the GDS appliance assembly; the GDS alarm buzzer unit is connected with the distribution box; the alarm anti-explosion LED indicating lamp unit is connected with the GDS appliance assembly; the ignition relay is connected with the distribution box and a vehicle appliance control assembly; the storage battery connector is connected with a storage battery pack and the vehicle appliance control assembly; the direct-current contactor is connected with the distribution box; and the emergency stopping switch is connected with the GDS appliance assembly. The anti-explosion electric forklift can realize automatic stopping according to combustible gas concentration in the environment.
Description
Technical field
The utility model relates to a kind of anti-explosion electric fork truck, especially relates to a kind of anti-explosion electric fork truck that is fitted with the detection of gas control system.
Background technology
Fork truck is a kind of handling machinery that the domestic and international market has the call.The anti-explosion electric fork truck is a kind of custom design of fork truck, and it can operation in the hazardous environment with imflammable gas, steam, dust.At industrial sectors such as oil, chemical industry, paint, military project, aviations, and harbour, railway, goods, warehouse etc. contain the place of explosive mixture, and the loading and unloading of goods and carrying are all finished by explosion proof forklift.
According to burning three elements theory, only possess simultaneously and during mutual action, burning just can take place in combustible, oxidizer and three conditions of Ignition sources.The explosion prevention function of existing explosion proof forklift is realized by the various Ignition sources of eliminating on the vehicle (as electric arc, spark, high temperature, static) often.Eliminate the various Ignition sources on the fork truck, need all electric elementss, heating and the high hot parts of fork truck and may produce static and the parts of collision spark etc. carry out explosive-proof protector, the mode of existing explosive-proof protector has flame-proof type, INCREASEDSAFETY, intrinsic safety type etc.; And the design difficulty of above-mentioned explosion-proof mode is big, the technological requirement height, and potential faults is many, and maintaining is difficult for, manufacturing cost height (normally the 3-4 of the logical fork truck of a Daepori is doubly).
The utility model content
The purpose of this utility model is to provide a kind of can realize the self-stopping anti-explosion electric fork truck that is fitted with the detection of gas control system according to the concentration of imflammable gas in the environment.
The technical solution of the utility model is: it comprises actuation means, vehicle frame, counterbalanced weight, seat, Oil pump electrical machinery, steer motor, vehicle frame is provided with overhead guard, under-seat is provided with battery pack, vehicle frame links to each other with equipment by connecting rod and hydraulic efficiency gear, equipment is provided with explosion-proof pallet fork, the vehicle frame inboard is provided with traction electric machine, link to each other with actuating device by speed reduction gearing, Oil pump electrical machinery is connected with hydraulic efficiency gear by oil pump and oil pipe, on the frame-steering axle anti static tyre is installed, steer motor is connected with steering hardware and anti static tyre by Linkage steering, is provided with vehicle electric element control assembly in the counterbalanced weight, and the counterbalanced weight top is provided with Flameproof box; Also comprise detection of gas control system (GDS), detection of gas control system (GDS) comprises GDS electrical equipment assembly, gas detection control probe, explosion-proof ignition lock, GDS alarm buzzer unit, warning anti-explosion LED indicator unit, ignition relay, the storage battery connector, DC contactor, distribution box without protectors, emergency stop switch, GDS electrical equipment assembly is located in the Flameproof box, gas detection control probe is installed on the vehicle frame right side, and link to each other with GDS electrical equipment assembly by cable, explosion-proof ignition lock is installed on the actuation means shell, and link to each other with GDS electrical equipment assembly by cable, distribution box without protectors is installed on the vehicle frame of battery pack below, and link to each other with GDS electrical equipment assembly by cable, GDS alarm buzzer unit is installed on the vehicle frame fwd shell, and links to each other with distribution box without protectors by cable; Warning anti-explosion LED indicator unit is installed on the vehicle frame fwd panel, and link to each other with GDS electrical equipment assembly by cable, ignition relay also is installed on the vehicle frame fwd panel, and link to each other by cable and distribution box without protectors and vehicle electric element control assembly, the storage battery connector is installed on the battery pack shell, and links to each other with battery pack and vehicle electric element control assembly by cable; DC contactor is installed on the cable between vehicle electric element control assembly and the battery pack, and is connected with distribution box without protectors by cable, and emergency stop switch is installed in the right lateral side of seat, and links to each other with GDS electrical equipment assembly by cable.
Described detection of gas control system also comprises the motor temperature sensor, and the motor temperature sensor is equipped with on the shell of traction electric machine, Oil pump electrical machinery and steer motor, and each motor temperature sensor all links to each other with distribution box without protectors by cable.
The utility model need not painstakingly carry out explosive-proof protector to the Ignition sources on the fork truck, broken through traditional explosion-proof pattern that is limited to the various Ignition sources of control car load, on vehicle, use detection of gas control system principle, the concentration of imflammable gas in the detection of gas control system energy continuous detecting vehicle operating environment, interlock by detection of gas control system and vehicle power and driving system, realize reporting to the police in good time and stopping, the detection of gas control system itself has explosion prevention function, can in the explosion risk zone, use safely, and at main heating such as motor component surface the motor temperature sensor has been installed, when these parts surface temperature reach or also can automatic train stop during near explosion-proof temperature class value; The utility model helps the timely discovery of the functional reliability and the fault of each element of assurance system, and is simple to operate, easy to maintenance, is widely used.
Description of drawings
Fig. 1 is the front view of the utility model one embodiment.
Fig. 2 is a birds-eye view embodiment illustrated in fig. 1.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
With reference to accompanying drawing, present embodiment comprises actuation means 15, vehicle frame 5, counterbalanced weight 28, seat 12, Oil pump electrical machinery 3, steer motor 25, vehicle frame 5 is provided with overhead guard 13, seat 12 belows are provided with battery pack 9, vehicle frame 5 links to each other with equipment 14 by connecting rod and hydraulic efficiency gear 17, equipment 14 is provided with explosion-proof pallet fork 20, vehicle frame 5 inboards are provided with traction electric machine 24, link to each other with actuating device 19 by speed reduction gearing 1, Oil pump electrical machinery 3 is connected with hydraulic efficiency gear 17 by oil pump and oil pipe 2, on vehicle frame 5 steering shafts anti static tyre 7 is installed, steer motor 25 is connected with steering hardware and anti static tyre 7 by Linkage steering 27, be provided with vehicle electric element control assembly 10 in the counterbalanced weight 28, counterbalanced weight 28 tops are provided with Flameproof box 30; Present embodiment also comprises detection of gas control system (GDS), detection of gas control system (GDS) comprises GDS electrical equipment assembly 29, gas detection control probe 4, explosion-proof ignition lock 16, GDS alarm buzzer unit 23, warning anti-explosion LED indicator unit 21, ignition relay 22, storage battery connector 18, DC contactor 8, the motor temperature sensor, distribution box without protectors 26, emergency stop switch 11, GDS electrical equipment assembly 29 is located in the Flameproof box 30, gas detection control probe 4 is installed on vehicle frame 5 right sides, and link to each other with GDS electrical equipment assembly 29 by cable, explosion-proof ignition lock 16 is installed on actuation means 15 shells, and link to each other with GDS electrical equipment assembly 29 by cable, distribution box without protectors 26 is installed on the vehicle frame 5 of battery pack 9 belows, and link to each other with GDS electrical equipment assembly 29 by cable, GDS alarm buzzer unit 23 is installed on the vehicle frame 5 fwd shells, and links to each other with distribution box without protectors 26 by cable; Warning anti-explosion LED indicator unit 21 is installed on the vehicle frame 5 fwd panels, and link to each other with GDS electrical equipment assembly 29 by cable, ignition relay 22 also is installed on the vehicle frame 5 fwd panels, and link to each other by cable and distribution box without protectors 26 and vehicle electric element control assembly 10, storage battery connector 18 is installed on battery pack 9 shells, and links to each other with battery pack 9 and vehicle electric element control assembly 10 by cable; DC contactor 8 is installed on the cable between vehicle electric element control assembly 10 and the battery pack 9, and be connected with distribution box without protectors 26 by cable, the motor temperature sensor comprises motor temperature sensor I 6-1, motor temperature sensor II 6-2, motor temperature sensor III 6-3, motor temperature sensor I 6-1, motor temperature sensor II 6-2, motor temperature sensor III 6-3 are installed in respectively on the shell of traction electric machine 24, Oil pump electrical machinery 3 and steer motor 25, all link to each other with distribution box without protectors 26 by cable; Emergency stop switch 11 is installed in the right lateral side of seat 12, and links to each other with GDS electrical equipment assembly 29 by cable.
Before 10 energisings of the vehicle electric element of fork truck control assembly, whether the concentration level that the energising earlier of detection of gas control system detects on-the-spot imflammable gas is lower than dangerous concentrations value (Lower Explosive Limit 20%); Open explosion-proof ignition lock 16; detection of gas control system energising beginning pre-set programs; system prepares to test and self check; in this stage; the concentration of imflammable gas is unknown in the environment; the detection of gas control system itself has explosion prevention function; all electric elementss of having switched on all are among the explosive-proof protector state; the detection of gas control system is by the concentration of imflammable gas in the gas detection control probe 4 beginning testing environments; when the concentration level of imflammable gas is lower than dangerous concentrations value (Lower Explosive Limit 20%); vehicle electric element control assembly 10 just can pass through DC contactor 8 energized; gas detection control probe 4 is the concentration of imflammable gas in the testing environment continuously, and the redness by warning anti-explosion LED indicator unit 21; the light on and off of yellow and green indicating lamp are told chaufeur with testing result.
When the concentration of imflammable gas in the environment be lower than Lower Explosive Limit 10% the time, redness, yellow and the green indicating lamp of warning anti-explosion LED indicator unit 21 are according to red? yellow? green order brightens successively; When the concentration of imflammable gas reach Lower Explosive Limit 10% the time, yellow indicator lamp and green indicating lamp are bright together, the prompting chaufeur has detected imflammable gas, at this moment, fork truck still can continue operation, but will cause the great attention of chaufeur, continues the supervision of maintenance to the imflammable gas concentration value, the source of reporting and searching imflammable gas eliminates safe hidden trouble also rapidly with its processing; When the concentration of imflammable gas in the environment reach Lower Explosive Limit 15% the time, except yellow and green indicator lamp is simultaneously bright, also can ring simultaneously in GDS alarm buzzer unit 23, prompting chaufeur imflammable gas concentration improves, at this moment, chaufeur should reach the safety zone with fork truck immediately, and the source of reporting and finding imflammable gas eliminates safe hidden trouble also rapidly with its processing; The concentration of imflammable gas continues to increase in environment, when reaching the 20%-25% of Lower Explosive Limit, the fork truck power supply can cut off automatically, the fork truck operation stops, at this moment, chaufeur should be turned off explosion-proof ignition lock 16 rapidly, report and search imflammable gas the source and rapidly with its processing, thoroughly eliminate safe hidden trouble.
If the density loss of imflammable gas was by 10% o'clock that is lower than Lower Explosive Limit in the environment, system automatically resets, the fork truck normal operation.
Motor temperature sensor I 6-1, motor temperature sensor II 6-2, motor temperature sensor III 6-3 can detect the surface temperature of traction electric machine 24, Oil pump electrical machinery 3 and steer motor 25 shells respectively, as long as wherein the surface temperature of certain motor reaches or during near explosion-proof temperature class value, corresponding motor temperature sensor can make power interruption by output signal, fork truck is out of service automatically, reach the safety guard-safeguard purpose, at this moment, green indicating lamp still can light yellow, and prompting chaufeur motor surface temperature is too high; After treating that this motor surface temperature descends naturally, corresponding motor temperature sensor also can automatically reset, fork truck can be reset operation, but should check the operational situation of motor this moment and in time remove the dirt, dust etc. of motor surface sediment, improves the motor radiating condition.
Claims (2)
1. anti-explosion electric fork truck, comprise actuation means, vehicle frame, counterbalanced weight, seat, Oil pump electrical machinery, steer motor, vehicle frame is provided with overhead guard, under-seat is provided with battery pack, vehicle frame links to each other with equipment by connecting rod and hydraulic efficiency gear, equipment is provided with explosion-proof pallet fork, the vehicle frame inboard is provided with traction electric machine, link to each other with actuating device by speed reduction gearing, Oil pump electrical machinery is connected with hydraulic efficiency gear by oil pump and oil pipe, on the frame-steering axle anti static tyre is installed, and steer motor is connected with steering hardware and anti static tyre by Linkage steering, be provided with vehicle electric element control assembly in the counterbalanced weight, the counterbalanced weight top is provided with Flameproof box; It is characterized in that, also comprise the detection of gas control system, the detection of gas control system comprises GDS electrical equipment assembly, gas detection control probe, explosion-proof ignition lock, GDS alarm buzzer unit, warning anti-explosion LED indicator unit, ignition relay, the storage battery connector, DC contactor, distribution box without protectors, emergency stop switch, GDS electrical equipment assembly is located in the Flameproof box, gas detection control probe is installed on the vehicle frame right side, and link to each other with GDS electrical equipment assembly by cable, explosion-proof ignition lock is installed on the actuation means shell, and link to each other with GDS electrical equipment assembly by cable, distribution box without protectors is installed on the vehicle frame of battery pack below, and link to each other with GDS electrical equipment assembly by cable, GDS alarm buzzer unit is installed on the vehicle frame fwd shell, and links to each other with distribution box without protectors by cable; Warning anti-explosion LED indicator unit is installed on the vehicle frame fwd panel, and link to each other with GDS electrical equipment assembly by cable, ignition relay also is installed on the vehicle frame fwd panel, and link to each other by cable and distribution box without protectors and vehicle electric element control assembly, the storage battery connector is installed on the battery pack shell, and links to each other with battery pack and vehicle electric element control assembly by cable; DC contactor is installed on the cable between vehicle electric element control assembly and the battery pack, and is connected with distribution box without protectors by cable, and emergency stop switch is installed in the right lateral side of seat, and links to each other with GDS electrical equipment assembly by cable.
2. anti-explosion electric fork truck according to claim 1, it is characterized in that, described detection of gas control system also comprises the motor temperature sensor, the motor temperature sensor is equipped with on the shell of traction electric machine, Oil pump electrical machinery and steer motor, and each motor temperature sensor all links to each other with distribution box without protectors by cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203163471U CN201580951U (en) | 2009-12-01 | 2009-12-01 | Anti-explosion electric forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203163471U CN201580951U (en) | 2009-12-01 | 2009-12-01 | Anti-explosion electric forklift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201580951U true CN201580951U (en) | 2010-09-15 |
Family
ID=42722948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203163471U Expired - Fee Related CN201580951U (en) | 2009-12-01 | 2009-12-01 | Anti-explosion electric forklift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201580951U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815211A (en) * | 2012-08-07 | 2012-12-12 | 浙江好力电动车辆制造有限公司 | Electric transport cart |
| CN103723661A (en) * | 2012-10-10 | 2014-04-16 | 杭叉集团股份有限公司 | Dual-purpose anti-explosion storage battery forklift for combustible gas environment and combustible dust environment |
| EP2551147A3 (en) * | 2011-07-26 | 2016-12-21 | General Electric Company | Charging device for use in charging electric vehicles and method of providing electricity to an electric vehicle |
| CN106477482A (en) * | 2015-11-26 | 2017-03-08 | 衡阳市利美电瓶车制造有限责任公司 | A kind of explosion-proof battery fork lift truck |
-
2009
- 2009-12-01 CN CN2009203163471U patent/CN201580951U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2551147A3 (en) * | 2011-07-26 | 2016-12-21 | General Electric Company | Charging device for use in charging electric vehicles and method of providing electricity to an electric vehicle |
| CN102815211A (en) * | 2012-08-07 | 2012-12-12 | 浙江好力电动车辆制造有限公司 | Electric transport cart |
| CN102815211B (en) * | 2012-08-07 | 2015-02-04 | 浙江好力电动车辆制造有限公司 | Electric transport cart |
| CN103723661A (en) * | 2012-10-10 | 2014-04-16 | 杭叉集团股份有限公司 | Dual-purpose anti-explosion storage battery forklift for combustible gas environment and combustible dust environment |
| CN103723661B (en) * | 2012-10-10 | 2016-05-04 | 杭叉集团股份有限公司 | The dual-purpose explosion-proof battery fork truck of imflammable gas and dust atmosphere |
| CN106477482A (en) * | 2015-11-26 | 2017-03-08 | 衡阳市利美电瓶车制造有限责任公司 | A kind of explosion-proof battery fork lift truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20131201 |