CN204055499U - Dumping car and hoisting system thereof - Google Patents
Dumping car and hoisting system thereof Download PDFInfo
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- CN204055499U CN204055499U CN201420375025.5U CN201420375025U CN204055499U CN 204055499 U CN204055499 U CN 204055499U CN 201420375025 U CN201420375025 U CN 201420375025U CN 204055499 U CN204055499 U CN 204055499U
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- hoisting system
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- 230000033228 biological regulation Effects 0.000 claims abstract description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 17
- 239000003921 oil Substances 0.000 claims description 17
- 230000007423 decrease Effects 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009432 framing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model provides a kind of dumping car and hoisting system thereof, and described hoisting system comprises hydraulic pressure lifting device and route controller; Hydraulic pressure lifting device comprises hydraulic ram and lifting distributing valve; Route controller comprises source of the gas, gas circuit change-over valve, change-over switch, manually operated valve and remote control magnetic valve; Gas circuit change-over valve is connected between source of the gas and lifting distributing valve, and has the first gas channels and the second gas channels between gas circuit change-over valve and source of the gas; Change-over switch connects and controls the state of gas circuit change-over valve, is optionally communicated with lifting distributing valve by the first gas channels or the second gas channels to control source of the gas, thus controls the mode of operation of lifting distributing valve; Manually operated valve is in order to change the connected state of the first gas channels according to manual regulation; Remote control magnetic valve is in order to change the connected state of the second gas channels according to the control signal of Digiplex.By this hoisting system, dumping car declines by lifting that is manual and remote control two kinds of Schema control compartments.
Description
Technical field
The utility model relates to field of transport vehicles, particularly a kind of dumping car and hoisting system thereof.
Background technology
Current dumping car carriage lifting operation be all that manually maneuvering valve completes, manually operated valve is arranged in operator's compartment, chaufeur by the handle of manually operated valve is pushed lifting, lowering position and realize compartment lifting falling action.Because operating personal is in driving in-house operation, can only be observed the ambient conditions of vehicle periphery before lifting operation by rear-view mirror, sight line is very limited, and there is potential safety hazard.In addition, when pavement roughness and mining area operating mode more severe time, because goods is piled up too high, during lifting discharging, center of gravity easily offsets, and vehicle very easily roll-over accident occurs, and when occurring to overturn, operating personal treats it is extremely dangerous in operator's compartment.
Utility model content
The purpose of this utility model is that the dumping car solving prior art can only the lifting in manual control compartment fall after rise and there is the problem of potential safety hazard in operator's compartment.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of hoisting system of dumping car, lifting in order to control body of tipper carriage declines, and comprises hydraulic pressure lifting device and the route controller in order to hydraulic control lifting device mode of operation; Described hydraulic pressure lifting device comprises the hydraulic ram in order to be connected with described compartment and flows to and the lifting distributing valve of hydraulic control cylinder efficient state in order to change hydraulic oil; Described route controller comprises source of the gas, gas circuit change-over valve, change-over switch, manually operated valve and remote control magnetic valve; Source of the gas in order to provide air-flow to change the mode of operation of lifting distributing valve to described lifting distributing valve, thus changes the flow direction of hydraulic oil; Gas circuit change-over valve is connected between described source of the gas and described lifting distributing valve, and has the first gas channels and the second gas channels between gas circuit change-over valve and source of the gas; Change-over switch connects and controls the state of described gas circuit change-over valve, is optionally communicated with described lifting distributing valve by the first gas channels or the second gas channels to control described source of the gas; Manually operated valve is arranged on described first gas channels, in order to change the connected state of the first gas channels according to manual regulation; Remote control magnetic valve is arranged on described second gas channels, in order to change the connected state of the second gas channels according to the control signal of Digiplex.
Preferably, described hydraulic pressure lifting device also comprises contact limit valve; Described contact limit valve is arranged between described gas circuit change-over valve and the lifting gas port of described lifting distributing valve, and contact limit valve corresponds to the setting of described hydraulic ram, when described hydraulic ram is lifted to the angle of setting, the gas channels that contact limit valve cuts off between gas circuit change-over valve and lifting distributing valve by the extruding change state of hydraulic ram, thus the oil inlet passage of closing in lifting distributing valve makes hydraulic oil stop in injection liquid compressing cylinder.
Preferably, described hydraulic oil is provided by a hydraulic reservoir, arranges oil pump between described hydraulic reservoir and described lifting distributing valve, and described oil pump is by a chassis power takeoff control job.
Preferably, described route controller also comprises a receptor, described receptor connects and controls the mode of operation of described remote control magnetic valve, Digiplex described in receptor wireless connections and the mode of operation of control signal Controlling solenoid valve according to described Digiplex.
Preferably, the input supply terminal of described receptor is connected with the chassis power supply of described dumping car, and the out-put supply end of receptor is connected with the control power end of described remote control magnetic valve and controls the mode of operation of remote control magnetic valve.
Preferably, described gas circuit change-over valve is two five-way valves, has two control positioies, respectively described first gas channels of corresponding connection and described second gas channels.
Preferably, described change-over switch is rocker switch, and it is connected with the chassis power supply of described dumping car.
Preferably, described change-over switch and described manually operated valve are installed in the operator's compartment of described dumping car.
Preferably, described manually operated valve and described remote control magnetic valve are three-position four-way valve.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: provide a kind of dumping car, comprising vehicle frame, being connected to the compartment on vehicle frame and the hoisting system as above for driving compartment to decline relative to vehicle frame lifting, the hydraulic ram of described hoisting system connects described compartment.
As shown from the above technical solution, advantage of the present utility model and good effect are: the hoisting system of the dumping car that the utility model proposes, principle is simple, controls reliable, easy to operate, effective use of existing Non-follow control carriage lifting decline function can be ensured, under realizing again people's car released state, the lifting that Remote handles compartment falls operation after rise, adds the mode of operation of dumping car, provide more reliable and secure mode of operation, properties of product obtain improvement and optimization.
Accompanying drawing explanation
Fig. 1 is each anatomical connectivity relation schematic diagram of the utility model dumping car embodiment.
Fig. 2 is the fundamental diagram of hoisting system in the utility model dumping car embodiment.
Description of reference numerals is as follows: 1, vehicle frame; 2, compartment; 3, operator's compartment; 4, hydraulic pressure lifting device; 41, hydraulic ram; 42, hydraulic reservoir; 43, oil pump; 44, chassis power takeoff; 45, lifting distributing valve; 46, contact limit valve; 5, route controller; 51, source of the gas; 52, gas circuit change-over valve; 53, change-over switch; 54, manually operated valve; 55, remote control magnetic valve; 56, receptor; 57, Digiplex; 501, the first gas channels; 502, the second gas channels; 503, gas channels is controlled; 6, chassis power supply.
Detailed description of the invention
The exemplary embodiment embodying the utility model feature & benefits will describe in detail in the following description.Be understood that the utility model can have various changes on different embodiments, it neither departs from scope of the present utility model, and explanation wherein and to be shown in be use when explain in essence, and be not used to limit the utility model.
Fig. 1 illustrates a specific embodiment of the utility model dumping car, and this dumping car comprises vehicle frame 1, compartment 2, operator's compartment 3, hydraulic pressure lifting device 4 and route controller 5; Wherein, hydraulic pressure lifting device 4 and route controller 5 form hoisting system provided by the utility model, in order to control compartment 2 relative to the lifting of vehicle frame 1 and decline.Other structure not emphasis of the present utility model of dumping car, does not give in figure and illustrating, do not do too much statement herein yet.
The rear end in compartment 2 and the rear end of vehicle frame 1 hinged, the front end in compartment 2 is connected with hydraulic pressure lifting device 4, compartment 2 can be driven relative to vehicle frame 1 lifting or decline by hydraulic pressure lifting device 4, thus can carry out discharging.Route controller 5 in order to the mode of operation of hydraulic control lifting device 4, thus controls lifting or the decline in compartment 2.Need the framing member of manual manipulation can be arranged in operator's compartment 3 in hydraulic pressure lifting device 4 and route controller 5, be convenient to chaufeur and control.Wherein, route controller 5 provides manual control and automatically handles two kinds of patterns, and two kinds of patterns can switch.
Fig. 2 illustrates the principle of work of hoisting system in above-mentioned dumping car embodiment, is described the concrete structure of hydraulic pressure lifting device 4 and route controller 5 in this hoisting system below in conjunction with Fig. 1 and Fig. 2.
Hydraulic pressure lifting device 4 comprises hydraulic ram 41, in order to provide the hydraulic reservoir 42 of hydraulic oil to hydraulic ram 41, and be arranged at the lifting distributing valve 45 between hydraulic ram 41 and hydraulic reservoir 42.Hydraulic ram 41 connects compartment 2, can drive compartment 2 lifting or decline when hydraulic reservoir 41 stretches.Hydraulic oil flows between hydraulic ram 41 and hydraulic reservoir 42 through the transport of oil pipe, and namely the change that hydraulic oil flows to changes the retracted position of hydraulic ram 41.And lifting distributing valve 45 is controlled by route controller 5, under the control of route controller 5, change mode of operation, thus change the flow direction of hydraulic oil, and then control lifting or the decline in compartment 2.
The mobilization dynamic of the hydraulic oil in hydraulic reservoir 42 is provided by oil pump 43, and oil pump 43 is arranged between hydraulic reservoir 42 and lifting distributing valve 45, and oil pump 43 controls work by a chassis power takeoff 44.Chassis power takeoff 44 is positioned at operator's compartment 3, is manipulated by chaufeur.
Route controller 5 mainly comprises source of the gas 51, gas circuit change-over valve 52, change-over switch 53, manually operated valve 54 and remote control magnetic valve 55.
Source of the gas 51 is in order to provide air-flow to change the mode of operation of lifting distributing valve 45 to lifting distributing valve 45.
Gas circuit change-over valve 52 is connected between source of the gas 51 and lifting distributing valve 45, has the first gas channels 501 and the second gas channels 502 between gas circuit change-over valve 52 and source of the gas 51, is connected between gas circuit change-over valve 52 with lifting distributing valve 45 by controlling gas channels 503.Gas circuit change-over valve 52 is two five-way valves alternatively, has two control positioies, respectively corresponding connection the first gas channels 501 and the second gas channels 502.
Change-over switch 53 connects and controls the state of gas circuit change-over valve 52, and gas circuit change-over valve 52 is switched between two control positioies, thus control gas channels 503 is optionally communicated with the first gas channels 501 or the second gas channels 502.Change-over switch 53 is more preferably rocker switch, its input supply terminal is connected with the chassis power supply 6 of dumping car, its out-put supply end has two output cathode ends and an output negative pole end, output negative pole end is connected with the input negative pole end of gas circuit change-over valve 52, two output cathode ends then input positive terminal with two of gas circuit change-over valve 52 respectively and are connected, two output cathode ends optionally form complete mouth with output negative pole end, thus control the switching of gas circuit change-over valve 52 two control positioies.This circuit connecting form is only one and schematically illustrates, and controls gas circuit change-over valve 52 mode of operation also can adopt other feasible implementations by change-over switch 52.Change-over switch 53 is installed in operator's compartment 3, is handled by the chaufeur of dumping car.
Manually operated valve 54 is arranged on the first gas channels 501, in order to change the connected state of the first gas channels 501 according to manual regulation.Manually operated valve 54 is three-position four-way valve, and its operating handle has three control positioies, is respectively TIP position, interposition and LOW position, respectively corresponding hydraulic control oil cylinder 41 lifting, in stop and down maneuver.Manually operated valve 54 is installed in operator's compartment 3, is handled by chaufeur.
Remote control magnetic valve 55 is arranged on the second gas channels 502, and it is also three-position four-way valve, in order to change the connected state of the second gas channels 502 according to the control signal of Digiplex 57.Wherein, remote control magnetic valve 55 accepts the control of Digiplex 57 by a receptor 56.
The input supply terminal of receptor 56 is connected with the chassis power supply 6 of dumping car, and the out-put supply end of receptor 56 is connected with the control power end of remote control magnetic valve 55 and controls the mode of operation of remote control magnetic valve 55.The out-put supply end of receptor 56 has two output cathode ends and an output negative pole end, output negative pole end is extremely connected with the control power-of remote control magnetic valve 55, two output cathode ends then control power positive end with two of remote control magnetic valve 55 respectively and are connected, thus control the mode of operation of remote control magnetic valve 55.Similarly, receptor 56 and the circuit connecting form of remote control magnetic valve 55 are also only a kind of signal, can adopt other feasible modes.Receptor 56 wireless connections Digiplex 57 and receive the control signal of Digiplex 57, and control the mode of operation of remote control magnetic valve 55 according to this control signal.
Digiplex 57 is provided with lifting, in stop, decline three operation push-buttons, the remote signal of each button correspond respectively to remote control magnetic valve 55 lifting, in stop and decline relevant work position, thus respectively corresponding hydraulic control oil cylinder 41 lifting, in stop and down maneuver.
The manually control of maneuvering valve 54 or remote control magnetic valve 55, the air-flow that source of the gas 51 is provided can be communicated with lifting distributing valve 45 through the first gas channels 501 or the second gas channels 502, and controls the state of lifting distributing valve 45.When manually operated valve 54 or remote control magnetic valve 55 are positioned at lifting control position, lifting distributing valve 45 correspondence is positioned at lifting control position, and in the hydraulic oil injection liquid compressing cylinder 41 of hydraulic reservoir 42, hydraulic ram 41 extends and makes compartment 2 lifting.When manually operated valve 54 or remote control magnetic valve 55 be arranged in stop control position time, the oil circuit between hydraulic reservoir 42 and hydraulic ram 41 is isolated by lifting distributing valve 45, and hydraulic ram 41 keeps current state, and compartment 2 stops state in being.When manually operated valve 54 or remote control magnetic valve 55 are positioned at decline control position, the hydraulic oil in hydraulic ram 41 flows back to hydraulic reservoir 42 through lifting distributing valve 45, and compartment 2 declines.
In this dumping car, hydraulic pressure lifting device 4 more preferably also comprises contact limit valve 46, and this contact limit valve 46 is a two-position three-way valve, in the control gas channels 503 between the lifting gas port being arranged at gas circuit change-over valve 52 and lifting distributing valve 45.Contact limit valve 46 corresponds to hydraulic ram 41 and arranges, when hydraulic ram 41 is lifted to the angle of setting, the contact of contact limit valve 46 is subject to the extruding of hydraulic ram 41, contact limit valve 46 changes state and cutting-off controlling gas channels 503, the source of the gas input of lifting distributing valve 45 is disconnected, and the oil inlet passage in lifting distributing valve 45 is closed, thus makes hydraulic oil stop in injection liquid compressing cylinder 41, the lifting in compartment 2 stops automatically, stops state in being rendered as.Namely this contact limit valve 46 serves the spacing effect of lifting.
The principle of work of this dumping car is as follows.
Chassis power supply 6 and source of the gas 51 is opened in operator's compartment 3, manually operated valve 54 and Digiplex 57 are all placed in off-position put, start chassis power takeoff 44, oil pump 43 is started working, now lifting distributing valve 45 mediates control position automatically, defines closed hydraulic oil circuit with hydraulic reservoir 42, oil pump 43.
Namely the lifting decline of body of tipper carriage is realized subsequently by two kinds of operating mode:
(1) operated by manually operated valve 54 in operator's compartment 3:
Change-over switch 53 in operator's compartment 3 is pushed manual mode position, and now the left side working position gas circuit (i.e. the first gas channels 501) of gas circuit change-over valve 52 is switched on, and manually operated valve 54 obtains the control of gas circuit, and remote control magnetic valve 55 is isolated inefficacy.The lifting in compartment 2 can be realized by the operating handle of manually operated valve 54 being placed in respectively TIP position, interposition and LOW position, stopping and down maneuver.
(2) operated by Digiplex 57:
Change-over switch 53 in operator's compartment 3 is pushed remote state position, and now the gas circuit (i.e. the second gas channels 502) of the right side working position of gas circuit change-over valve 52 is switched on, and remote control magnetic valve 55 obtains the control of gas circuit, and manually operated valve 54 is isolated inefficacy.By lifting on Digiplex 57, in stop, lifting that three operation push-buttons that decline can realize compartment 2, in stop and down maneuver.
Under specific operating mode, driving operation personnel before operator's compartment 3 completes corresponding remote manipulation operation prepare after, vehicle can be left, by the long-range Job Operations realizing lifting and decline of Digiplex 57, after the complete vehicle of operation is in comparatively safe state, then return to vehicle cab.Wherein, in above-described embodiment, change-over switch 3 is arranged in operator's compartment, and chaufeur can switch to remote control mode in driving in-house operation change-over switch 3, then can leave vehicle and carry out remote manipulation.In certain embodiments, by the function setting of change-over switch 3 on Digiplex 57, remote control mode can also be switched at the enterprising line operate of Digiplex 57, then carry out remote control lifting step-down operation.
In dumping car of the present utility model, have employed the technical scheme that the interchangeable of the separation lifting manipulation of distance type people car and operator's compartment manually operated valve lifting manipulation is double-mode integrated, make operating personal both can select to use manually operated valve to realize carriage lifting at operator's compartment to fall after rise, again can under people's car be separated remote status, select to complete carriage lifting and decline discharging action by Digiplex, avoid operating personal can only treat to complete lifting operation at operator's compartment and the potential safety hazard existed, provide more failure-free mode of operation.
Although describe the utility model with reference to several exemplary embodiment, should be appreciated that term used illustrates and exemplary and nonrestrictive term.Specifically can implement in a variety of forms due to the utility model and not depart from spirit or the essence of utility model, so be to be understood that, above-mentioned embodiment is not limited to any aforesaid details, and explain widely in the spirit and scope that should limit in claim of enclosing, therefore fall into whole change in claim or its equivalent scope and remodeling and all should be claim of enclosing and contained.
Claims (10)
1. a hoisting system for dumping car, declines in order to the lifting controlling body of tipper carriage, comprises hydraulic pressure lifting device and the route controller in order to hydraulic control lifting device mode of operation; Described hydraulic pressure lifting device comprises the hydraulic ram in order to be connected with described compartment and flows to and the lifting distributing valve of hydraulic control cylinder efficient state in order to change hydraulic oil; It is characterized in that, described route controller comprises:
Source of the gas, in order to provide air-flow to change the mode of operation of lifting distributing valve to described lifting distributing valve, thus changes the flow direction of hydraulic oil;
Gas circuit change-over valve, is connected between described source of the gas and described lifting distributing valve, and has the first gas channels and the second gas channels between gas circuit change-over valve and source of the gas;
Change-over switch, is connected and controls the state of described gas circuit change-over valve, being optionally communicated with described lifting distributing valve by the first gas channels or the second gas channels to control described source of the gas;
Manually operated valve, is arranged on described first gas channels, in order to change the connected state of the first gas channels according to manual regulation;
Remote control magnetic valve, is arranged on described second gas channels, in order to change the connected state of the second gas channels according to the control signal of Digiplex.
2. hoisting system according to claim 1, is characterized in that, described hydraulic pressure lifting device also comprises contact limit valve; Described contact limit valve is arranged between described gas circuit change-over valve and the lifting gas port of described lifting distributing valve, and contact limit valve corresponds to the setting of described hydraulic ram, when described hydraulic ram is lifted to the angle of setting, the gas channels that contact limit valve cuts off between gas circuit change-over valve and lifting distributing valve by the extruding change state of hydraulic ram, thus the oil inlet passage of closing in lifting distributing valve makes hydraulic oil stop in injection liquid compressing cylinder.
3. hoisting system according to claim 1, is characterized in that, described hydraulic oil is provided by a hydraulic reservoir, arranges oil pump between described hydraulic reservoir and described lifting distributing valve, and described oil pump is by a chassis power takeoff control job.
4. hoisting system according to claim 1, it is characterized in that, described route controller also comprises a receptor, described receptor connects and controls the mode of operation of described remote control magnetic valve, Digiplex described in receptor wireless connections and the mode of operation of control signal Controlling solenoid valve according to described Digiplex.
5. hoisting system according to claim 4, it is characterized in that, the input supply terminal of described receptor is connected with the chassis power supply of described dumping car, and the out-put supply end of receptor is connected with the control power end of described remote control magnetic valve and controls the mode of operation of remote control magnetic valve.
6. the hoisting system according to any one of claim 1-5, is characterized in that, described gas circuit change-over valve is two five-way valves, has two control positioies, respectively described first gas channels of corresponding connection and described second gas channels.
7. the hoisting system according to any one of claim 1-5, is characterized in that, described change-over switch is rocker switch, and it is connected with the chassis power supply of described dumping car.
8. the hoisting system according to any one of claim 1-5, is characterized in that, described change-over switch and described manually operated valve are installed in the operator's compartment of described dumping car.
9. the hoisting system according to any one of claim 1-5, is characterized in that, described manually operated valve and described remote control magnetic valve are three-position four-way valve.
10. a dumping car, comprising vehicle frame, being connected to the compartment on vehicle frame and the hoisting system for driving compartment to decline relative to vehicle frame lifting, it is characterized in that, described hoisting system connects described compartment for the hoisting system described in any one of claim 1-9, the hydraulic ram of described hoisting system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420375025.5U CN204055499U (en) | 2014-07-08 | 2014-07-08 | Dumping car and hoisting system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420375025.5U CN204055499U (en) | 2014-07-08 | 2014-07-08 | Dumping car and hoisting system thereof |
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| Publication Number | Publication Date |
|---|---|
| CN204055499U true CN204055499U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420375025.5U Withdrawn - After Issue CN204055499U (en) | 2014-07-08 | 2014-07-08 | Dumping car and hoisting system thereof |
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| CN (1) | CN204055499U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235575A (en) * | 2014-07-08 | 2016-01-13 | 中集陕汽重卡（西安）专用车有限公司 | Self-dumping vehicle and lifting system thereof |
| CN106143256A (en) * | 2015-03-30 | 2016-11-23 | 深圳中集智能科技有限公司 | A kind of dumper remote control system and the remote control method of dumper |
| CN108394815A (en) * | 2018-05-11 | 2018-08-14 | 浙江鼎力机械股份有限公司 | Template lifts table system and its control method |
| CN108773309A (en) * | 2018-07-10 | 2018-11-09 | 徐州徐工矿山机械有限公司 | A kind of energy saver of lifting system of mining dumper |
| CN109606233A (en) * | 2019-02-20 | 2019-04-12 | 徐州徐工矿业机械有限公司 | A kind of articulated truck dumps control system and dumps control method |
| CN111422122A (en) * | 2020-04-24 | 2020-07-17 | 东风商用车有限公司 | Vehicle electric control lifting control system matched with manual transmission and method thereof |
-
2014
- 2014-07-08 CN CN201420375025.5U patent/CN204055499U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235575A (en) * | 2014-07-08 | 2016-01-13 | 中集陕汽重卡（西安）专用车有限公司 | Self-dumping vehicle and lifting system thereof |
| CN105235575B (en) * | 2014-07-08 | 2019-02-15 | 中集陕汽重卡（西安）专用车有限公司 | Dumper and its hoisting system |
| CN106143256A (en) * | 2015-03-30 | 2016-11-23 | 深圳中集智能科技有限公司 | A kind of dumper remote control system and the remote control method of dumper |
| CN108394815A (en) * | 2018-05-11 | 2018-08-14 | 浙江鼎力机械股份有限公司 | Template lifts table system and its control method |
| CN108394815B (en) * | 2018-05-11 | 2024-04-05 | 浙江鼎力机械股份有限公司 | Template lifting trolley system and control method thereof |
| CN108773309A (en) * | 2018-07-10 | 2018-11-09 | 徐州徐工矿山机械有限公司 | A kind of energy saver of lifting system of mining dumper |
| CN109606233A (en) * | 2019-02-20 | 2019-04-12 | 徐州徐工矿业机械有限公司 | A kind of articulated truck dumps control system and dumps control method |
| CN111422122A (en) * | 2020-04-24 | 2020-07-17 | 东风商用车有限公司 | Vehicle electric control lifting control system matched with manual transmission and method thereof |
| CN111422122B (en) * | 2020-04-24 | 2024-04-09 | 东风商用车有限公司 | Vehicle electric control lifting control system matched with manual gearbox and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20190215 |