CN2091244U - Automatic buffer falling type collector of trolleybus - Google Patents
Automatic buffer falling type collector of trolleybus Download PDFInfo
- Publication number
- CN2091244U CN2091244U CN 91214383 CN91214383U CN2091244U CN 2091244 U CN2091244 U CN 2091244U CN 91214383 CN91214383 CN 91214383 CN 91214383 U CN91214383 U CN 91214383U CN 2091244 U CN2091244 U CN 2091244U
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- CN
- China
- Prior art keywords
- trolley
- travel switch
- pole
- control
- spring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The utility model relates to an automatic buffer falling type collector of trolleybus, belonging to a collector of power circuits in electric vehicles. The automatic buffer falling type collector after off-line is jointly composed of an electronic control circuit, an air-actuated executive system and a mechanical operation mechanism. The horizontal deflection of a trolley pole is limited within 60 DEG and the descending of automatic control is limited within 3 meters' altitude. The collector has the advantages that it has a simple and practical structure and it is automatic and flexible to control. The automatic resettlement of faulty off-line and handy control off-line is accurate and reliable. Therefore, it is applicable to the popularity and application of the present trolley bus.
Description
The utility model is the improvement about the current colector of automatic lowering after the current colector of elec. vehicle circuit, particularly the trackless trolley car off-line.The rotary seat of this current colector is fixed on vehicle ceiling by insulator, and through coro bearng and spinner running-fit, trolley pole and widen spring one end and be articulated in spinner, the big extension spring other end is articulated in trolley pole, end fixed set dateline that trolley pole is unsettled and manual control current collection rope.
For solve use above-mentioned trackless trolley car current colector after off-line not the inertia upper punch break built on stilts gauze or the inertia ground pedestrian that falls to injuring, and stop horizontal deflection and jeopardize facilities such as adjacent electric wireline, broadcast communication line or road lamp line, the indivedual cities of China are from the external model machine of having introduced a kind of band " 14RJ type trolley-bus collector ", trolley head on the current colector of this model machine adopts upset automatically to avoid hanging bad built on stilts gauze, makes electric pole break away from 200 millimeters of gauzes by spring rolling current collection rope after the off-line; The weakness of this convertible trolley head is that the frequent rolling of spring is easy to fatigue fracture, and manoevreability is poor, still need manually to descend to reset." the trackless trolley car S. A. returns convertible current colector " of China patent CN2045704U bulletin promptly belongs to structure of the same type.Realize that for real automatic lowering resets after trackless trolley car is with off-line collector, Chongqing Trolley Bus Co. has proposed " the trackless trolley car off-line automatic lowering type current colector " that a kind of patent No. is CN90211892.7.This current colector by tape travel device for switching control path, band cartridge type working cylinder pneumatic operation system and the mechanical operating mechanism of band push-pull arm and return wheel reach the fault off-line or manually after the off-line automatic lowering reset in the hook internal fixation, make that trolley head is low spacing to have satisfied the requirement that powered travel and maintenance are maintained fully with horizontal deflection.Because this current colector adopts four-bar linkage to pay structure by the rigid motion that pinch roller roll extrusion trolley pole descends, and not only causes the quantity of member many, and assembling each other is also complicated, and the force of inertia of the control that resets is big too; Again because trolley head adopts pivot pin directly to press down the sender spring in the take-up housing hole makes drive link touch travel switch to obtain the off-line electric signal, cause the off-line Control Failure after making the trolley head long-term use form pivot pin and the high temperature seam of take-up housing hole.
The purpose of this utility model is fully to keep under the situation of aforementioned structure advantage, continues above-mentioned trackless trolley car off-line automatic lowering type current colector in addition perfectly, proposes a kind of simple and reliable trackless trolley car again and cushions decline type current colector automatically.
The technical scheme of its solution is: the buffering epithelium at the cartridge type working cylinder cuts with scissors on the push-pull arm that joins, and directly takes turns by the equipped return of the fork wheel carrier of band recoil spring, and passes through the movable gland axle control trolley pole of adjustable depression bar roof pressure band recoil spring; The trolley head that the unsettled end of trolley pole is fixing, directly by the unidirectional support arm of the spacing sender spring-loaded take-up housing of hollow body one side pilot bar, unidirectional support arm is fixed by hollow body opposite side bearing pin; The travel switch that control sets electric pole inertia falls is limited in the bench insulator of current collection headband recoil spring, is limited to hollow body power transmission sliding pin then between travel switch and unidirectional support arm by insulation sleeve; The travel switch of bullet then is fixed on the spinner top cover on the control sets electric pole inertia, triggers a cap by the push-pull arm of the relative position position of limiting.
Make trackless trolley car according to such scheme and cushion decline type current colector automatically, not only keep after fault off-line that existing current colector had and the manual off-line automatic lowering to the function of roof hook internal fixation, and fully realized the accurate reliability that descends and reset and control; Make 3 meters of low spacing height, the horizontal deflection of trolley head be defined as 60 °, not only satisfy powered travel fully and overhaul the requirement of maintaining, mechanism is simple and practical, the motor-driven advantage flexibly of control but also have, and is suitable for the universal use of existing trackless trolley car automatic improving.
Concrete structure of the present utility model provides by following examples and accompanying drawing thereof.
Fig. 1 is the constructional drawing that trackless trolley car cushions decline type current colector automatically.
Fig. 2 is the pneumatic operation system figure of this current colector.
Fig. 3 is the electrical control circuit figure of this current colector.
As shown in the figure, the rotary seat of this current colector (12) can directly connect firmly in vehicle ceiling (45) by insulator, and needs by coro bearng (11) and spinner (10) running-fit.Spinner (10) one sides form separately independently with push-pull arm (21) and trolley pole (27) are hinged that kinematic pair, opposite side pass through fixedly cartridge type working cylinder (16) of support (13) respectively by bearing pin (6); Meanwhile, big extension spring (25) also is hinged between support (13) and trolley pole (27) position by bearing pin (14,26).The back position of cartridge type working cylinder (16) is provided with slowly the descend flow regulating valve (15) that resets, the axis of the piston (18) of anteposition of control sets electric pole (27) and establishes buffering epithelium (17) and push-pull arm (21) one side bearing pins (19) hinge connection.The guide groove (5) that push-pull arm (21) is provided with limits the fork wheel carrier (31) of band recoil spring (20) and does upper and lower damping campaign; Return wheel (8) then is fitted on the fork wheel carrier (31) by pivot pin (7).Push-pull arm (21) is provided with adjustable depression bar (22) simultaneously, by movable gland axle (23) control sets electric pole (27) decline of roof pressure band recoil spring (24).The movable gland axle (23) of control recoil spring (24) work is crossed between the hole wall (29) by the lower support surface that nut (28) is limited to the dashpot (30) of trolley pole (27) setting.The manual control that the unsettled end of trolley pole (27) is fixed with trolley head (35) is with current collection rope (46).Trolley head (35) directly passes through the unidirectional support arm (40) of spacing sender spring (41) supporting slide block (43) of hollow body (44) one side pilot bars (42).Unidirectional support arm (40) is fixing by hollow body (44) opposite side bearing pin (39).On the vehicle ceiling (45) behind the insulation connection place between trolley pole (27) and trolley head (35) below the position, being provided with resets after trolley pole (27) descends uses hook (32).The both side surface of the guide holder (9) of return wheel (8) usefulness, the while is centroclinal to roof, and is fixed as one with rotary seat (12).
As the compression hollow enter cartridge type working cylinder (16) after, it is that movable gland axle (23) the control sets electric pole of adjustable depression bar (22) roof pressure (27) on the push-pull arm (21) at center descends that the axis of the piston (18) just drives with spinner (10), fork wheel carrier (31) the drive return wheel (8) that push-pull arm (21) is gone up interlock moves downward simultaneously, behind return wheel (8) contact guidance seat (9), pressing down under the tangential component effect, force return wheel (8) to the roof central motion, trolley pole (27) is also located to reset to roof hook (32) under the drive of adjustable depression bar (22) simultaneously.
On trolley head (35) and spinner top cover (2), adorn two travel switches (3,36) respectively.The travel switch (3) of bullet is fixed on spinner top cover (2) on control sets electric pole (27) inertia, triggers a cap (4) by the push-pull arm (21) of the relative position position of limiting; The electric signal of travel switch (3) forms the closing of contact by spacing triggering cap (4) the roof pressure travel switch (3) that plays related push-pull arm (21) on trolley pole (27) inertia.The travel switch (36) of spiral shell is limited in the bench insulator (33) of trolley head (35) band recoil spring (34) under control sets electric pole (27) inertia, the power transmission sliding pin (37) that is limited to hollow body (44) by insulation sleeve (38) then be situated between and travel switch (36) and unidirectional support arm (40) between; The electric signal of travel switch (36) forms the closing of contact of going into switch (36) by unidirectional support arm (40) compression sender spring (41) back pushing transmission sliding pin (37).Above line becomes switch (3,36) in case after making the off-line of current colector fault, no matter trolley pole (27) is gone up bullet or fallen all can in time obtain to control the off-line electric signal that gas circuit is opened, and resets and mechanical control mechanism roof pressure trolley pole (27) is descended.
Pneumatic operation system is known with air compressor (47), double loop protective valve (48), air tank (49), electromagnetic valve (51,52), flow regulating valve (5,54), cartridge type working cylinder (16a, 16b) and air pressure by trackless trolley car master gas circuit and is shown that table (50) forms.This system's utilization unlatching, closed door and brake are with the air compressor (47) of trackless trolley car master gas circuit; by double loop protective valve (48) current colector is inflated with air receiver (49), reflected the operation pressure value of air tank (49) by air pressure test indicator (50) at any time.When adopting double loop protective valve (48) to make current colector with pneumatic operation system generation gas leakage, the air pressure of trackless trolley car master gas circuit remains at more than 550 kPas.When electromagnetic valve (51,52) is opened under the control on circuit controling line road, pressurized air is pressed into cartridge type working cylinder (16a, 16b) through electromagnetic valve (51,52) and flow regulating valve (53,54), promotes mechanical control mechanism's roof pressure trolley pole (27) decline by the axis of the piston (18) and resets.Adopt the aeration speed of flow regulating valve (53,54) may command cartridge type working cylinder (16a, 16b), change the impulsive force that produces when trolley pole (27) descends.
Electrical control circuit is by the switch S of band fuse FU
1, toggle switch S
2, S
3, open contact 1CK, 2CK, 3CK, the 4CK of travel switch (3,36), electromagnetic valve device 1YV, 2YV, the relay J QX of band open contact 1K, 2K, 3K, 4K
1, JQX
2With string current-limiting resistance R is arranged
1, R
2, R
3, R
4LED
1, LED
2, LED
3, LED
4Form.Its 12 coucher is made the power supply of voltage and is introduced by the original storage battery of trackless trolley car.During driving, the switch S of closing band fuse FU at operator's compartment
1, connect toggle switch S
2Lower end (and S
3The upper end), i.e. fault off-line automatic guidance position, at this moment LED
2(and LED
3) show that control path enters normal working.When the off-line of current colector fault, touch the pressure disappearance of line to trolley head (35), the open contact 2CK(and the 4CK of travel switch (36)) closure, electric current is through contact 2CK(and 4CK) make magnet valve device 1YV(and 2YV) adhesive and open electromagnetic valve 51(and 52) and the work gas circuit, by cartridge type working cylinder 16a(and 16b) the axis of the piston (18) promotes mechanical control mechanism and depresses trolley pole (27) and reset; Meanwhile electric current is through contact 2CK(and 4CK) make light-emitting diodes close LED
1(and LED
4) show.When travel switch (36) because a variety of causes when malfunctioning, open contact 2CK(and 4CK) can't be closed, at this moment bullet makes the open contact 1CK(and the 3CK of travel switch (3) on trolley pole (27) inertia) closure, electric current is through contact 1CK(and 3CK) to relay J QX
1(and JQX
2), make open contact 1K, 2K(and 3K, 4K) closure, at this moment relay J QX
1(and JQX
2) produce self-insurance magnetic, and make electromagnetic valve device 1YC(and 2YV) adhesive, electromagnetic valve 51(and 52) the work gas circuit open, by cartridge type working cylinder 16a(and 16b) the axis of the piston (18) promote mechanical control mechanism and depress trolley pole (27) and reset; Meanwhile electric current is through contact 1CK(and 3CK) make LED
1(and LED
4) show.Because this current colector when simplifying physical construction part, pays attention to improving the reliability standard of control part as far as possible, make automatic lowering behind the off-line collector have the performance of accurate and flexible.
Claims (5)
1, a kind of current colector of electric vehicle power supply circuit, the current colector of automatic lowering after the trackless trolley car off-line particularly, rotary seat is fixed on vehicle ceiling by insulator, and through coro bearng and spinner running-fit, trolley pole and big extension spring one end link in spinner, the big extension spring other end links in trolley pole, unsettled end fixed set dateline of trolley pole and manual control current collection rope, and the electrical control circuit by the tape travel switch, the pneumatic operation system of band cartridge type working cylinder constitutes automatic descending device with the mechanical control mechanism that is with push-pull arm and return wheel, it is characterized in that: on the buffering epithelium (17) of cartridge type working cylinder (16) is twisted together push-pull arm (21), by the equipped return wheel of fork wheel carrier (31) (8) of band recoil spring (20), and movable gland axle (23) the control sets electric pole (27) by adjustable depression bar (22) roof pressure band recoil spring (24); The fixing trolley head (35) of the unsettled end of trolley pole (27), directly by the unidirectional support arm (40) of spacing sender spring (41) the supporting slide block seat (43) of hollow body (44) one side pilot bars (42), unidirectional support arm (40) is fixing by hollow body (44) opposite side bearing pin (39); The travel switch (36) that control sets electric pole (27) inertia falls is limited in the bench insulator (33) of trolley head (35) band recoil spring (34), is limited to the transmission sliding pin (37) of hollow body (44) then between travel switch (36) and support arm (40) by insulation sleeve (38); The travel switch (3) of bullet is fixed on spinner top cover (2), triggers a cap (4) by the push-pull arm (21) of the relative position position of limiting on control sets electric pole (27) inertia.
2, current colector according to claim 1 is characterized in that: the back position of cartridge type working cylinder (16) is provided with the flow regulating valve (15) that control sets electric pole (27) buffering descends.
3, current colector according to claim 1 is characterized in that: control recoil spring (24) work activities gland axle (23) is crossed between the hole wall (29) by the lower support surface that nut (28) is limited to the dashpot (30) of trolley pole (27) setting.
4, according to claim 1,2,3 described be current colector, it is characterized in that: the electric signal of travel switch (36) forms travel switch (36) closing of contact by unidirectional support arm (40) compression sender spring (41) back pushing power transmission sliding pin (37).
5, according to claim 1,2,3 described current colectors, it is characterized in that: the electric signal of travel switch (3) forms the closing of contact by spacing triggering cap (4) the roof pressure travel switch (3) that plays related push-pull arm (21) on trolley pole (27) inertia.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91214383 CN2091244U (en) | 1991-04-13 | 1991-04-13 | Automatic buffer falling type collector of trolleybus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91214383 CN2091244U (en) | 1991-04-13 | 1991-04-13 | Automatic buffer falling type collector of trolleybus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2091244U true CN2091244U (en) | 1991-12-25 |
Family
ID=4922595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91214383 Withdrawn CN2091244U (en) | 1991-04-13 | 1991-04-13 | Automatic buffer falling type collector of trolleybus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2091244U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100532151C (en) * | 2005-12-30 | 2009-08-26 | 成都飞机工业（集团）有限责任公司 | Electric current collector |
| CN110667387A (en) * | 2018-07-03 | 2020-01-10 | 北汽福田汽车股份有限公司 | Trolley bus |
-
1991
- 1991-04-13 CN CN 91214383 patent/CN2091244U/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100532151C (en) * | 2005-12-30 | 2009-08-26 | 成都飞机工业（集团）有限责任公司 | Electric current collector |
| CN110667387A (en) * | 2018-07-03 | 2020-01-10 | 北汽福田汽车股份有限公司 | Trolley bus |
| CN110667387B (en) * | 2018-07-03 | 2023-04-28 | 北汽福田汽车股份有限公司 | Trolley bus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |