CN203728524U - Electric truck - Google Patents
Electric truck Download PDFInfo
- Publication number
- CN203728524U CN203728524U CN201420055886.5U CN201420055886U CN203728524U CN 203728524 U CN203728524 U CN 203728524U CN 201420055886 U CN201420055886 U CN 201420055886U CN 203728524 U CN203728524 U CN 203728524U
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- China
- Prior art keywords
- pump
- pump case
- hydraulic
- hydraulic pump
- valve
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 239000003921 oil Substances 0.000 claims description 25
- 230000008676 import Effects 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 13
- 230000037452 priming Effects 0.000 claims description 13
- 239000006071 cream Substances 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 230000001737 promoting effect Effects 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Handcart (AREA)
Abstract
The utility model discloses an electric truck. The electric truck comprises a frame, a fork connected with the frame, driven wheels installed on the fork, a storage battery device installed on the fork, an operating handle, a hydraulic pump station, a top cover, a driving wheel device and a thrust support connected with the frame, wherein the driving wheel device comprises a driving wheel and a driving wheel connecting flange. The hydraulic pump station comprises a driving mechanism and a hand pump. The hand pump comprises a pump case, a safety valve arranged in the pump case, a hand-operated one-way valve arranged in the pump case and provided with a forward inlet and a forward outlet, and a conveying oil cylinder arranged in the pump case. The pump case is provided with a high-pressure oil inlet communicated with the forward outlet, an oil storage cavity communicated with the forward inlet and an oil outlet communicated with the oil storage cavity. The electric truck is simple in structure, low in price, easy to manufacture and small in size.
Description
Technical field
The utility model relates to handling machinery technical field, relates in particular a kind of electrocar.
Background technology
Granted publication CN 202864840 U, the Chinese utility model patent of Granted publication day 2013.04.10 discloses a kind of small-sized electric transport trolley, comprise vehicle frame, be arranged on vehicle frame front and symmetrical pallet fork and be arranged on the BOGEY WHEEL rocking arm wheel carrier mechanism in front, pallet fork bottom surface, be provided with by motor-driven drive wheel at the rear side of vehicle frame, swing bearing is set above drive wheel, on drive wheel housing, be provided with operating handle, relying on swing bearing to carry out rotating operation handle reaches and turns to, on vehicle frame, be provided with power supply box, in power supply box, be provided with storage battery, storage battery top is provided with the built-in battery charger being connected with controller, hydraulic power unit system synthesis, the lifting of hydraulic power unit system synthesis control pallet fork, storage battery is to controller, motor and the power supply of hydraulic power unit system synthesis, accelerator and urgent reversing controller are set on described operating handle, the electrocar compact conformation of this utility model, volume is little, safe and reliable, be applicable to warehouse, the carrying of the article such as workshop.
But we find in actual work, the hydraulic power unit of existing electrocar, exist volume large, take up room manyly, cost is high; In the be hard to keep when breakables steady decline of transport trolley of carrying; And easily make oil pipe become flexible generation leakage of oil owing to there is relative motion between hydraulic oil pump and carriage cylinder.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art part, and a kind of electrocar is provided, and it is simple in structure, cheap, processing ease, and volume is little, it is little to take up room, stable working.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows: a kind of electrocar, comprises pallet fork that vehicle frame is connected with described vehicle frame, is arranged on flower wheel on described pallet fork, is arranged on accumulator plant, operating handle, hydraulic power unit, top cover on pallet fork, and the thrust support that is connected with described vehicle frame of the drive wheel device that comprises drive wheel, drive wheel butt flange, described hydraulic power unit comprises hydraulic power mechanism and fuel priming pump, described fuel priming pump comprises pump case, be arranged on the safety valve in pump case, be arranged on the Manual-control one-way valve with forward import and forward outlet in described pump case and be located at the carriage cylinder in described pump case, described pump case is provided with described forward and exports the high pressure oil import communicating, the shoe cream room being communicated with described forward import and and the oil export that communicates of described shoe cream room, the Hydraulic Pump that described hydraulic power mechanism comprises motor and is connected with described motor, the pump discharge of described Hydraulic Pump and described high pressure oil import are communicated with, the pump inlet of described Hydraulic Pump and described oil export are communicated with, between the pump discharge of described Hydraulic Pump and described high pressure oil import, be provided with and make the check valve of hydraulic oil from described Hydraulic Pump way flow toward described high pressure oil import.
Electrocar of the present utility model, its Hydraulic Station is different with electrocar in the past, what it adopted is fuel priming pump, coordinate driven by motor Hydraulic Pump to drive, omitted hydraulic reservoir, oil return when carriage cylinder declines, directly enter in fuel priming pump, when rising, extracted out by Hydraulic Pump again, significantly reduced the volume of whole Hydraulic Station, occupy little space; Meanwhile, save a solenoid directional control valve, utilized hand behaviour bar control descending speed to be more conducive to the balance of safety of goods and efficiency.Simultaneously can be under power-off situation lifting article, be more conducive to safety.Hydraulic power mechanism and fuel priming pump connect firmly and reduce the leakage of oil that relative motion causes.
As preferably, described Hydraulic Pump is gear type pump or blade-type pump.
As preferably, described motor is fixed on described pump case and is positioned at the side of described pump case, and described pump case upper end is connected with described top cover, and lower end is connected with described thrust support.
Above-mentioned setting, reduces volume as much as possible, makes rationally distributedly, occupies little space.
As preferably, described Hydraulic Pump and described motor are direct-connected by screw, and described motor and described Hydraulic Pump vertically arrange.
The motor and the Hydraulic Pump that vertically arrange, the connection of convenient and fuel priming pump, can reduce again volume as much as possible.
As preferably, described Manual-control one-way valve comprises axial valve pocket, the shaft orientation liquid feeding spool being fixedly connected with described axial valve pocket, be located at the promotion spool in described shaft orientation liquid feeding spool, be fixed on the blind nut of described shaft orientation liquid feeding spool end, one end acts on described blind nut and the other end acts on the valve core spring promoting on spool, be located at the valve stem sleeve of described axial valve pocket end, be plugged in described axial valve pocket and the push rod of described valve stem sleeve is stretched out in one end, one end acts on described push rod and the other end and acts on push rod spring that described in-line valve puts and the promotion steel ball between described push rod and described promotion spool.
The utility model beneficial effect is:
The utility model is simple in structure, cheap, makes easily, and compact conformation, volume is little, lightweight, takes up room little, carries steadily.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of the utility model one embodiment, clear in order to show, has removed part guard shield in drawing;
Fig. 2 is revolving joint and fuel priming pump and drive wheel butt flange connection diagram;
Fig. 3 is the constructional drawing of fuel priming pump;
Fig. 4 is the structural representation of Manual-control one-way valve.
In figure:
1, vehicle frame, 2, pallet fork, 3, flower wheel, 4, accumulator plant, 5, operating handle, 6, hydraulic power unit, 7, carriage cylinder, 8, top cover, 9, drive wheel, 10, drive wheel butt flange, 11, thrust support.
Detailed description of the invention
The following stated is only preferred embodiment of the present utility model, not scope of the present utility model is limited.
Embodiment, is shown in accompanying drawing 1,2,3,4, and a kind of electrocar comprises pallet fork 2 that vehicle frame 1 is connected with vehicle frame 1, is arranged on flower wheel 3 on pallet fork 2, is arranged on accumulator plant 4, operating handle 5, hydraulic power unit 6, top cover 8 on pallet fork 2, pallet fork 2 is two, symmetrical setting, and accumulator plant 4 comprises storage battery and storage battery box, and comprises the thrust support 11 that the drive wheel device of drive wheel 9, drive wheel butt flange 10 is connected with vehicle frame 1, hydraulic power unit 6 comprises driver train 601 and fuel priming pump 602, fuel priming pump 602 comprises pump case 60201, be arranged on the safety valve 60202 in pump case 60201, be arranged on the Manual-control one-way valve 60203 with forward import a and forward outlet b in pump case 60201 and be located at the carriage cylinder 7 in pump case 60201, pump case 60201 is provided with forward and exports the high pressure oil import 60204 communicating, the shoe cream room 60205 being communicated with forward import and and the oil export 60206 that communicates of shoe cream room 60205, fuel priming pump can adopt the product on market, can retain hand part, the quantity of safety valve 60202 can be according to actual Location of requirement, to ensure the safety of whole hydraulic efficiency pressure system, and the Hydraulic Pump 60102 that hydraulic power mechanism 601 comprises motor 60101 and is connected with motor 60101, Hydraulic Pump 60102 is gear type pump or blade-type pump, the pump discharge of Hydraulic Pump 60102 and high pressure oil import 60204 are communicated with, the pump inlet of Hydraulic Pump 60102 and oil export 60206 are communicated with, between the pump discharge of Hydraulic Pump 60102 and high pressure oil import 60204, be provided with and make the check valve (drawing do not draw) of hydraulic oil from Hydraulic Pump 60102 way flow toward high pressure oil import 60204, check valve can adopt tubular type check valve, also can adopt board-like or stacked unidirectional valve.In work, driven by motor Hydraulic Pump rotates, hydraulic oil enters pump case 60201 through high pressure oil import 60204 from pump discharge, make carriage cylinder 7 increase, arrive desired location, in the time that needs decline, operating handle 5 operates, make Manual-control one-way valve reverse-conducting, hydraulic oil is circulated to forward outlet b by forward import a, enters in shoe cream room 60205, such and existing electrocar is compared, the electromagnetic valve of having saved a control lifting, has reduced cost, has also reduced the phenomenon of leakage of oil.In order to reduce volume, make layout more reasonable, motor 60101 is fixed on pump case 60201 and is positioned at the side of pump case 60201, pump case 60201 upper ends are connected with top cover 8, lower end is connected with thrust support 11, and Hydraulic Pump 60102 and motor 60101 is direct-connected by screw, without coupler, and motor 60101 and Hydraulic Pump 60102 vertically arrange.In the present embodiment, see accompanying drawing 7, Manual-control one-way valve 60203 comprises axial valve pocket 6020301, the shaft orientation liquid feeding spool 6020302 being fixedly connected with axial valve pocket 6020301, be located at the promotion spool 6020303 in shaft orientation liquid feeding spool 6020302, be fixed on the blind nut 6020304 of shaft orientation liquid feeding spool 6020302 ends, one end acts on blind nut 6020304 and the other end acts on the valve core spring 6020305 promoting on spool 6020303, be located at the valve stem sleeve 6020306 of axial valve pocket 6020301 ends, be plugged in axial valve pocket 6020301 and the push rod 6020307 of valve stem sleeve 6020306 is stretched out in one end, one end acts on push rod 6020307 and the other end acts on the push rod spring 6020308 on axial valve pocket 6020301 and the promotion steel ball 6020309 between push rod 6020307 and promotion spool 6020303.Shaft orientation liquid feeding spool 6020302, axial valve pocket are all fixed in the spool bore of housing, gapped between blind nut 6020304 and spool bore, being convenient to hydraulic oil passes through, valve stem sleeve 6020306 is spirally connected and is fixed on the end of spool bore, and the end that another of spool bore is corresponding with valve stem sleeve 6020306 is high pressure oil import 60204; Being plugged in valve stem sleeve 6020306 and axial valve pocket 6020301 of push rod 6020307 free-running fits, and can slide axially, its power resources that promote steel ball are in outside operating handle, and restoring force derives from push rod spring; Forward import a is arranged on axial valve pocket 6020301 ends, and forward outlet b is arranged on shaft orientation liquid feeding spool 6020302.Promoting spool 6020303 is arranged in shaft orientation liquid feeding spool 6020302, shaft orientation liquid feeding spool 6020302 is provided with and promotes the sealing valve port that spool 6020303 coordinates, and shaft orientation liquid feeding spool 6020302 and axially valve pocket 6020301 are by rivet or be welded and fixed integral.
Claims (5)
1. an electrocar, comprises pallet fork (2) that vehicle frame (1) is connected with described vehicle frame (1), is arranged on flower wheel (3) on described pallet fork (2), is arranged on accumulator plant (4), operating handle (5), hydraulic power unit (6), top cover (8) on pallet fork (2); And the thrust support (11) that is connected with described vehicle frame (1) of the drive wheel device that comprises drive wheel (9), drive wheel butt flange (10); it is characterized in that: described hydraulic power unit (6) comprises hydraulic power mechanism (601) and fuel priming pump (602), described fuel priming pump (602) comprises pump case (60201), be arranged on the safety valve (60202) in pump case (60201), be arranged on the Manual-control one-way valve (60203) with forward import and forward outlet in described pump case (60201) and be located at the carriage cylinder (7) in described pump case (60201), described pump case (60201) is provided with described forward and exports the high pressure oil import (60204) communicating, the shoe cream room (60205) being communicated with described forward import and and the oil export (60206) that communicates of described shoe cream room (60205), the Hydraulic Pump (60102) that described hydraulic power mechanism (601) comprises motor (60101) and is connected with described motor (60101), the pump discharge of described Hydraulic Pump (60102) and described high pressure oil import (60204) are communicated with, the pump inlet of described Hydraulic Pump (60102) and described oil export (60206) are communicated with, between the pump discharge of described Hydraulic Pump (60102) and described high pressure oil import (60204), be provided with and make the check valve of hydraulic oil from described Hydraulic Pump (60102) way flow toward described high pressure oil import (60204).
2. a kind of electrocar according to claim 1, is characterized in that: described Hydraulic Pump (60102) is gear type pump or blade-type pump.
3. a kind of electrocar according to claim 1, it is characterized in that: described motor (60101) is fixed on described pump case (60201) above and is positioned at the side of described pump case (60201), described pump case (60201) upper end is connected with described top cover (8), and lower end is connected with described thrust support (11).
4. a kind of electrocar according to claim 1, is characterized in that: described Hydraulic Pump (60102) and described motor (60101) are direct-connected by screw, and described motor (60101) and described Hydraulic Pump (60102) vertically arrange.
5. according to a kind of electrocar described in claim 1 or 2 or 3 or 4, it is characterized in that: described Manual-control one-way valve (60203) comprises axial valve pocket (6020301), the shaft orientation liquid feeding spool (6020302) being fixedly connected with described axial valve pocket (6020301), be located at the promotion spool (6020303) in described shaft orientation liquid feeding spool (6020302), be fixed on the blind nut (6020304) of described shaft orientation liquid feeding spool (6020302) end, one end acts on described blind nut (6020304) above and the other end acts on the valve core spring (6020305) promoting on spool (6020303), be located at the valve stem sleeve (6020306) of described axial valve pocket (6020301) end, be plugged in described axial valve pocket (6020301) and the push rod (6020307) of described valve stem sleeve (6020306) is stretched out in one end, one end act on described push rod (6020307) and the other end act on the push rod spring (6020308) on described axial valve pocket (6020301) and be positioned at described push rod (6020307) and described promotion spool (6020303) between promotion steel ball (6020309).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055886.5U CN203728524U (en) | 2014-01-29 | 2014-01-29 | Electric truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055886.5U CN203728524U (en) | 2014-01-29 | 2014-01-29 | Electric truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203728524U true CN203728524U (en) | 2014-07-23 |
Family
ID=51198613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420055886.5U Expired - Fee Related CN203728524U (en) | 2014-01-29 | 2014-01-29 | Electric truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203728524U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105883681A (en) * | 2016-02-29 | 2016-08-24 | 宁波如意股份有限公司 | Electric pallet truck |
| CN105923576A (en) * | 2016-02-29 | 2016-09-07 | 宁波如意股份有限公司 | Electric pallet truck steering drive structure |
| CN106966323A (en) * | 2017-05-05 | 2017-07-21 | 浙江金华文瑞机电有限公司 | A kind of hand hydraulic carrier |
| CN109231080A (en) * | 2018-09-20 | 2019-01-18 | 张树林 | A kind of multifunctional manual factory floor fork truck |
-
2014
- 2014-01-29 CN CN201420055886.5U patent/CN203728524U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105883681A (en) * | 2016-02-29 | 2016-08-24 | 宁波如意股份有限公司 | Electric pallet truck |
| CN105923576A (en) * | 2016-02-29 | 2016-09-07 | 宁波如意股份有限公司 | Electric pallet truck steering drive structure |
| CN106966323A (en) * | 2017-05-05 | 2017-07-21 | 浙江金华文瑞机电有限公司 | A kind of hand hydraulic carrier |
| CN109231080A (en) * | 2018-09-20 | 2019-01-18 | 张树林 | A kind of multifunctional manual factory floor fork truck |
| CN109231080B (en) * | 2018-09-20 | 2020-07-03 | 岳西县顺达机械有限公司 | Multifunctional manual forklift for factory workshop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 313100 Changxing County, Huzhou, Taihu street, long State Road, No. 528, No. Patentee after: NOBLELIFT EQUIPMENT JOINT STOCK Co.,Ltd. Address before: 313100 Changxing County Economic Development Zone, Zhejiang, Huzhou, No. 1 road, No. 58 Patentee before: Zhejiang Nuoli Machinery Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 313100 No. 528 Changzhou Road, Changxing County Taihu street, Huzhou, Zhejiang. Patentee after: NOBLELIFT INTELLIGENT EQUIPMENT Co.,Ltd. Address before: 313100 No. 528 Changzhou Road, Changxing County Taihu street, Huzhou, Zhejiang. Patentee before: NOBLELIFT EQUIPMENT JOINT STOCK Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |