CN202733343U - Self-propelled powder device and auxiliary installation system used for crane - Google Patents
Self-propelled powder device and auxiliary installation system used for crane Download PDFInfo
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- CN202733343U CN202733343U CN 201220366952 CN201220366952U CN202733343U CN 202733343 U CN202733343 U CN 202733343U CN 201220366952 CN201220366952 CN 201220366952 CN 201220366952 U CN201220366952 U CN 201220366952U CN 202733343 U CN202733343 U CN 202733343U
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Abstract
The utility model discloses a self-propelled powder device and an auxiliary installation system used for a crane, and relates to the technical field of the engineering machinery. The technical problems of inconvenience in movement and big operation strength in the prior art are solved. The self-propelled powder device comprises a chassis automobile frame, a hydraulic oil power source, a control valve and a travelling mechanism, wherein the control valve comprises an oil inlet, a first oil outlet and a second oil outlet; the travelling mechanism comprises a hydraulic motor and at least one driving wheel; the first oil outlet of the control valve is communicated with a hydraulic oil inlet of the hydraulic motor; a power output shaft of the hydraulic motor is connected with driving wheels; the driving wheels can be driven to rotate relative to the chassis automobile frame; and a caterpillar band can be driven to move in the driving wheel rotation process. The auxiliary installation system used for the crane comprises the self-propelled powder device provided by the utility model. The utility model is used for lowering the moving difficulty of the self-propelled powder device and lowering the auxiliary installation operation intensity of the crane.
Description
Technical field
The utility model relates to technical field of engineering machinery, the auxiliary mounting system that is used for hoist that is specifically related to a kind of self-propelled type power plant and these self-propelled type power plant are set.
Background technique
For satisfying in the Larger Engineering Projects such as domestic petroleum, petrochemical industry, nuclear power, wind-powered electricity generation and iron and steel the lifting demand to super large equipment, more and more to the super sized type development, lifting altitude is higher for hoist, and work range is larger, the future development that lifting capacity is stronger.In various types of hoists, crawler crane becomes indispensable instrument in the main equipment installation with the mobile accuracy of its lifting.Along with the development of maximizing, the series of problems in the processes such as the design of hoist, production, transportation, installation and use is seriously restricting the development of crawler crane.
One of important component part of many equipment that to be used for the auxiliary power plant of installing of hoist are auxiliary erection cranes plays a significant role in large-scale crawler crane lifting installation exercise.
As shown in Figure 1, existing power plant (abbreviation power plant) for the auxiliary installation of hoist are connected with the power oil cylinder with pin by flexible pipe by the hydraulic oil of direct use manipulation control valve 91 with power source and 92 outputs of single pump, the power transmission that thus power source and single pump 92 is provided is in place by the retraction of oil cylinder and the bearing pin of stretching members such as jib, turntables to the power oil cylinder with pin again.Existing bottom for the auxiliary power plant of installing of hoist is provided with walking industrial castor 93, manpower rolls walking industrial castor 93 by the mode that promotes existing power plant on the ground, just power plant can be pushed to needed position thus.
There is following technical problem at least in prior art:
As shown in Figure 1, when driving its processes of advancing for the auxiliary power plant of installing of hoist and by walking industrial castor 93 through Manual-pushing is existing, as to run into complicated ground moving will be very difficult.Follow crawler crane to more large-tonnage development, the weight that is used for the auxiliary power plant of installing of hoist is also increasing, in walking industrial castor 93 walking processes and the surface friction drag between the ground can be increasing, causing the existing power plant for the auxiliary installation of hoist of Manual-pushing to move difficulty in the hope of the mode that changes its position is increasing, and the operation intensity of auxiliary erection crane is also increasing.
The model utility content
The purpose of this utility model is the auxiliary mounting system that is used for hoist that proposes a kind of self-propelled type power plant and these self-propelled type power plant are set, and has solved the prior art existence and has been not easy to the technical problem mobile, that operation intensity is large.In addition, the optimal technical scheme that the utility model embodiment provides has also solved prior art and has existed hoisting structure fragile, and operation is dangerous large, designs the technical problem of inadequate hommization.
For achieving the above object, the utility model provides following technological scheme:
The self-propelled type power plant that the utility model embodiment provides comprise chassis frame, hydraulic oil power source, control valve and traveller, wherein:
Described control valve comprises filler opening, the first oil outlet and the second oil outlet, and the hydraulic oil outlet in described hydraulic oil power source is connected with the filler opening of described control valve;
Described control valve exists the first working state and the second working state, the filler opening of described control valve was connected with the first oil outlet of described control valve when described control valve was in the first working state, and the filler opening of described control valve was connected with the second oil outlet of described control valve when described control valve was in the second working state;
Described traveller comprises oil hydraulic motor and at least one driving wheel, is flexibly connected between described driving wheel and the described chassis frame and can rotates with respect to described chassis frame around the active connection place;
The first oil outlet of described control valve is connected with the hydraulic oil entrance of described oil hydraulic motor;
The pto＝power take-off of described oil hydraulic motor is connected with described driving wheel and can drives described driving wheel and rotates with respect to described chassis frame;
Described traveller also comprise be sheathed on outside the described driving wheel and and the outer surface of described driving wheel between frictional fit or the crawler belt that is engaged with each other; Perhaps, the bottom of described driving wheel is connected on the ground.
Preferably, described traveller also comprises speed reducer, the power input shaft of described speed reducer is connected with the pto＝power take-off of described oil hydraulic motor, and the pto＝power take-off of described speed reducer is connected with described driving wheel and can drives described driving wheel and rotates with respect to described chassis frame.
Preferably, the top of described chassis frame is fixedly connected with mounting plate, and described hydraulic oil power source is arranged on the described mounting plate, and described oil hydraulic motor is arranged in the described chassis frame.
Preferably, be fixedly connected with at least two hoisting rings on the described mounting plate, described hoisting ring is uniformly distributed in the edge of described mounting plate.
Preferably, described chassis frame also is fixedly connected with the dozer connecting base.
Preferably, also be fixedly connected with the toolbox on the described mounting plate.
Preferably, described chassis frame is that steel pipe and Plate Welding form, and to be that rubber track plate is hinged form described crawler belt.
Preferably, described control valve is solenoid valve, wherein:
Described self-propelled type power plant also comprise controller, are connected by line electricity between described controller and the described solenoid valve, perhaps, wireless connections between described controller and the described solenoid valve;
Described controller is for the switching signal that described solenoid valve is sent in order to the working state of switching described solenoid valve;
Described solenoid valve is used for receiving described switching signal, and switches between described the first working state and described the second working state according to described switching signal.
Preferably, described hydraulic oil power source comprises motor and hydraulic-pressure pump, wherein:
The power input shaft rotation that the pto＝power take-off of described motor is connected with the power input shaft of described hydraulic-pressure pump and also can drives described hydraulic-pressure pump;
The hydraulic oil entrance of described hydraulic-pressure pump is inserted in the interior hydraulic oil of hydraulic oil container;
The hydraulic oil outlet of described hydraulic-pressure pump is connected with the filler opening of described control valve.
Preferably, also be provided with the traction through hole on the described chassis frame.
Preferably, described hydraulic-pressure pump is duplex gear pump or plunger pump.
The auxiliary mounting system that is used for hoist that the utility model embodiment provides comprises the self-propelled type power plant that the arbitrary technological scheme of the utility model provides, wherein:
Described the second oil outlet in the described self-propelled type power plant is connected with the hydraulic oil import of the power oil cylinder with pin of hoist;
The hydraulic oil outlet of the power oil cylinder with pin of described hoist is connected with hydraulic oil container.
Based on technique scheme, the utility model embodiment can produce following technique effect at least:
Because in the self-propelled type power plant that the utility model embodiment provides, the hydraulic oil that the mode of the working state by switching control valve (control valve can adopt three linkage control valve groups or electric proportional reversing valve group) can change the output of hydraulic oil power source is for the power oil cylinder with pin that drives hoist, or be used for driving crawler belt or driving wheel, so when the self-propelled type power plant that need mobile the utility model to provide, working state that can switching control valve, hydraulic oil with the output of hydraulic oil power source drives described driving wheel and drives crawler belt (or directly driving the walking of self-propelled type power plant by driving wheel) walking by driving wheel, and then move by the self-propelled type power plant that crawler belt drives the utility model and provides that (movement of self-propelled type power plant herein comprises advancing of whole self-propelled type power plant, retreat and turn to), when treating that self-propelled type power plant that the utility model provides move to the precalculated position, the working state of switching control valve again, make the hydraulic oil of hydraulic oil power source output for the power oil cylinder with pin that drives hoist, thereby realize that auxiliary fitting operation to hoist is (for example with the jib of hoist, the bearing pin of the members such as turntable is in place), because it is existing for for the mode of the auxiliary power plant of installing of hoist with respect to artificial promotion that hydraulic oil drives mode that the self-propelled type power plant move, more laborsaving, obviously reduced operator's labor intensity and operation intensity, be not easy to mobile so solved the prior art existence, the technical problem that operation intensity is large.Aforesaid operations available wireless remote control mode, wired electric controling mode substitutes manual manipulation mode, and it is optional to have multiple control modes.
Optimal technical scheme of the present utility model also has the following advantages at least:
1, provides walking power by hydraulic system, not only take full advantage of the power in hydraulic oil power source, and need not additionally to increase power source, and, the caterpillar chassis that uses chassis frame and traveller to consist of, guaranteed stability, reliability that self-propelled type power plant that the utility model provides are walked under the Various Complex road conditions, strengthened the place adaptability of hoist installment work, thereby improved the efficient of hoist installation exercise.
2, not only can at the dozer connecting base of the utility model self-propelled type power plant dozer be installed as required, can also articulate wire rope in order to draw other equipment or vehicle front quoting through hole, the setting of multiple utility function device has highlighted its stronger adaptability more.
3, the self-propelled type power plant that are set to the utility model and provide of hoisting ring provide special-purpose suspension centre, ferry construction that can be rapidly and efficiently.
4, caterpillar chassis is equipped with integrated integrated traveller, the rubber track plate of high-strength wearable has improved Security, reliability and the practicability of hoist, so that assist erection crane more quick, greatly reduce the operation cost of whole hoist, for the client has improved benefit.
5, hydraulic oil power source, control valve and traveller have consisted of open type hydraulic system, adopt open type hydraulic system, and action is switched freely, and be maintainable high, can realize the fine motion operation.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, consists of the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation that is used for the auxiliary power plant of installing of hoist in the prior art;
The structural representation of the self-propelled type power plant that Fig. 2 provides for the utility model embodiment;
Fig. 3 is the schematic top plan view of chassis frame shown in Figure 2;
The schematic representation of annexation between the main member and between the power oil cylinder with pin of self-propelled type power plant and hoist in the self-propelled type power plant that Fig. 4 provides for the utility model embodiment.
Mark among the figure: 1, chassis frame; 2, hydraulic oil power source; 3, control valve; 30, filler opening; 31, the first oil outlet; 32, the second oil outlet; 4, traveller; 41, driving wheel; 42, crawler belt; 421, tread shoe; 5, mounting plate; 51, toolbox; 6, hoisting ring; 7, dozer connecting base; 8, traction through hole; 91, operation control valve; 92, single pump; 93, walking industrial castor; 10, power oil cylinder with pin.
Embodiment
Below by accompanying drawing Fig. 2～Fig. 4 and the mode of enumerating optional embodiments more of the present utility model, the technical solution of the utility model (comprising optimal technical scheme) is described in further detail.Need to prove: any technical characteristics in the present embodiment; any technological scheme all is the technical characteristics of plurality of optional or one or more in the optional technological scheme; can't exhaustive all alternative technical characteristicss of the present utility model and alternative technological scheme in order to describe succinct need in the presents; the mode of execution that also is not easy to each technical characteristics emphasizes that all it is one of optional numerous embodiments; so those skilled in the art should know: any technical characteristics and any technological scheme in the present embodiment all do not limit protection domain of the present utility model, and protection domain of the present utility model should comprise that those skilled in the art do not pay the thinkable any alternate embodiments of creative work.
The utility model embodiment provides a kind of auxiliary mounting system that is used for hoist of being convenient to the higher self-propelled type power plant of movement, control and automaticity and these self-propelled type power plant being set.
The technological scheme that provides below in conjunction with the more detailed by way of example explanation the utility model of accompanying drawing Fig. 2～Fig. 4.
Such as Fig. 2～shown in Figure 4, the self-propelled type power plant that the utility model embodiment provides comprise as shown in Figure 3 chassis frame 1, as shown in Figure 2 hydraulic oil power source 2, control valve 3 and traveller 4, wherein:
Control valve 3 comprises filler opening 30, the first oil outlet 31 and the second oil outlet 32, and the hydraulic oil outlet in hydraulic oil power source 2 is connected with the filler opening 30 of control valve 3.
Control valve 3 exists the first working state and the second working state, the filler opening 30 of control valve 3 was connected with the first oil outlet 31 of control valve 3 when control valve 3 was in the first working state, and the filler opening 30 of control valve 3 was connected with the second oil outlet 32 of control valve 3 when control valve 3 was in the second working state.
The first oil outlet 31 of control valve 3 is connected with the hydraulic oil entrance of oil hydraulic motor.
The pto＝power take-off of oil hydraulic motor is connected with driving wheel 41 and can drives driving wheel 41 and rotates with respect to chassis frame 1.
The hydraulic oil that the mode of the working state by switching control valve 3 in the present embodiment can change 2 outputs of hydraulic oil power source is for the power oil cylinder with pin 10 that drives hoist, or be used for driving crawler belt 42 or driving wheel 41, so when the self-propelled type power plant that need mobile the utility model to provide, working state that can switching control valve 3, hydraulic oil with 2 outputs of hydraulic oil power source drives described driving wheel 41 and drives crawler belt 42 walkings by driving wheel 41, and then the self-propelled type power plant that provide by crawler belt 42 drive the utility model move, when treating that self-propelled type power plant that the utility model provides move to the precalculated position, the working state of switching control valve 3 again, make the hydraulic oil of hydraulic oil power source 2 outputs for the power oil cylinder with pin 10 that drives hoist, thereby realize that auxiliary fitting operation to hoist is (for example with the jib of hoist, the bearing pin of the members such as turntable is in place), because it is existing for for the mode of the auxiliary power plant of installing of hoist with respect to artificial promotion that hydraulic oil drives mode that the self-propelled type power plant move, more laborsaving, obviously reduced operator's labor intensity and operation intensity.
In addition, drive described driving wheel 41 and pass through driving wheel 41 when driving crawler belts 42 walking, can make the hydraulic oil of hydraulic oil power source 2 outputs can not drive again the power oil cylinder with pin 10 of hoist simultaneously, so assist the Security of fitting operation better.
Certainly, crawler belt 42 is not set, the bottom of driving wheel 41 is connected on the ground, by driving wheel 41 as wheel with the technological scheme that drives the utility model self-propelled type power plant and move also within protection domain of the present utility model.
Speed reducer can decelerate to desired winding number with the winding number of the pto＝power take-off of oil hydraulic motor, and obtains larger torque.Can be connected by driving mechanism (for example gear drive, belt gear) between the pto＝power take-off of speed reducer and the driving wheel 41, also can directly be fixedly connected with, perhaps, the pto＝power take-off of speed reducer is connected by coupling with the central shaft of driving wheel 41.
The top of chassis frame 1 is fixedly connected with mounting plate 5 in the present embodiment, and hydraulic oil power source 2 is arranged on the mounting plate 5, and oil hydraulic motor is arranged in the chassis frame 1.The loaded area that the top that has enlarged chassis frame 1 is set of mounting plate 5 makes chassis frame 1 can carry more member.
Control valve 3 is preferably three linkage control valve groups for solenoid valve can adopt three linkage control valve groups or electric proportional reversing valve group in the present embodiment, wherein:
The self-propelled type power plant also comprise controller, are connected by line electricity between controller and the solenoid valve, perhaps, wireless connections between controller and the solenoid valve (this moment, controller class was similar to remote control panel).
Controller is used for the switching signal of solenoid valve transmission in order to the working state of switching solenoid valve.
Solenoid valve is used for receiving switching signal, and switches between the first working state and the second working state according to switching signal.
The mode that sends switching signal by operation control can change the working state of solenoid valve, and then changes the type of the mechanism that the hydraulic oil of hydraulic oil power source 2 outputs will drive.
Certainly, use other valves with the technological scheme that substitutes control valve 3 also within protection domain of the present utility model.
Hydraulic oil power source 2 can comprise motor and hydraulic-pressure pump in the present embodiment, and hydraulic-pressure pump is preferably and uses duplex gear pump or plunger pump, wherein:
The power input shaft rotation that the pto＝power take-off of motor is connected with the power input shaft of hydraulic-pressure pump and also can drives hydraulic-pressure pump.
The hydraulic oil entrance of hydraulic-pressure pump is inserted in the interior hydraulic oil of hydraulic oil container.
The hydraulic oil outlet of hydraulic-pressure pump is connected with the filler opening 30 of control valve 3.
The power input shaft of hydraulic-pressure pump can suck the hydraulic oil in the hydraulic oil container when rotating, and hydraulic oil is exported to drive the power oil cylinder with pin 10 of traveller 4 or hoist by control valve 3.
Certainly, use motor to replace motor or to use other to install to replace the technological scheme of hydraulic-pressure pump also within protection domain of the present utility model.
Be fixedly connected with at least two hoisting rings 6 in the present embodiment on the mounting plate 5, hoisting ring 6 is uniformly distributed in the edge of mounting plate 5.The setting of hoisting ring 6 makes that hanging of self-propelled type power plant that the utility model provides connects, transport operation is more easy, and has improved and hung the Security that connects operation.When needing repairing or cutting to the utility model self-propelled type power plant, can utilize hoisting ring 6 that the utility model self-propelled type power plant are transferred to needed place.
Certainly, the technological scheme of a hoisting ring 6 only is set on mounting plate 5, perhaps, at mounting plate 5 one or more liftings is set and uses the technological scheme of through hole also within protection domain of the present utility model.
Also be fixedly connected with toolbox 51 in this example on the mounting plate 5.Toolbox 51 is interior can place small instruments and tools or spare part (such as oil cylinder with pin, bearing pin, snap ring, hanging belt, rigging and spanner etc.).
Also be provided with traction through hole 8 in the present embodiment on the chassis frame 1.Can traction with through hole 8 on bind or articulate wire rope or chain, thereby draw other vehicles or device with the self-propelled type power plant that the utility model provides, with the realization traction function.
Such as Fig. 2～shown in Figure 4, the auxiliary mounting system that is used for hoist that the utility model provides comprises the self-propelled type power plant that the arbitrary technological scheme of the utility model provides, wherein:
The second oil outlet 32 of control valve 3 is connected with the hydraulic oil import of the power oil cylinder with pin 10 of hoist in the self-propelled type power plant.
The hydraulic oil outlet of the power oil cylinder with pin 10 of hoist is connected with hydraulic oil container.
The power oil cylinder with pin 10 that the hydraulic oil of hydraulic oil import that is exported to the power oil cylinder with pin 10 of hoist by the second oil outlet 32 of control valve 3 can drive hoist is in place by the retraction of oil cylinder or the bearing pin of stretching members such as jib, turntables.
Certainly, use hydraulic oil power source 2 that the utility model provides with the technological scheme that drives other devices or equipment also within protection domain of the present utility model.
Component or the structural member of the disclosed or connection fastened to each other that relates to of above-mentioned the utility model, unless otherwise stated, be fixedly connected with all and can be understood as: can be fixedly connected with (for example using bolt or screw to connect) with dismantling, also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (for example use casting technique is integrally formed to be created) (obviously can't adopt except the integrally formed technique).
In addition, in the disclosed arbitrary technological scheme of above-mentioned the utility model applied term for expression geometry site or geometrical shape unless otherwise stated outer its implication comprise and its approximate, similar or approaching state or shape.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characteristics is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technological scheme scope that the utility model asks for protection.
Claims (10)
1. self-propelled type power plant is characterized in that, comprise chassis frame, hydraulic oil power source, control valve and traveller, wherein:
Described control valve comprises filler opening, the first oil outlet and the second oil outlet, and the hydraulic oil outlet in described hydraulic oil power source is connected with the filler opening of described control valve;
Described control valve exists the first working state and the second working state, the filler opening of described control valve was connected with the first oil outlet of described control valve when described control valve was in the first working state, and the filler opening of described control valve was connected with the second oil outlet of described control valve when described control valve was in the second working state;
Described traveller comprises oil hydraulic motor and at least one driving wheel, is flexibly connected between described driving wheel and the described chassis frame and can rotates with respect to described chassis frame around the active connection place;
The first oil outlet of described control valve is connected with the hydraulic oil entrance of described oil hydraulic motor;
The pto＝power take-off of described oil hydraulic motor is connected with described driving wheel and can drives described driving wheel and rotates with respect to described chassis frame;
Described traveller also comprise be sheathed on outside the described driving wheel and and the outer surface of described driving wheel between frictional fit or the crawler belt that is engaged with each other; Perhaps, the bottom of described driving wheel is connected on the ground.
2. self-propelled type power plant according to claim 1, it is characterized in that, described traveller also comprises speed reducer, the power input shaft of described speed reducer is connected with the pto＝power take-off of described oil hydraulic motor, and the pto＝power take-off of described speed reducer is connected with described driving wheel and can drives described driving wheel and rotates with respect to described chassis frame.
3. self-propelled type power plant according to claim 1 is characterized in that, the top of described chassis frame is fixedly connected with mounting plate, and described hydraulic oil power source is arranged on the described mounting plate, and described oil hydraulic motor is arranged in the described chassis frame.
4. self-propelled type power plant according to claim 3 is characterized in that, are fixedly connected with at least two hoisting rings on the described mounting plate, and described hoisting ring is uniformly distributed in the edge of described mounting plate.
5. self-propelled type power plant according to claim 3 is characterized in that, described chassis frame also is fixedly connected with the dozer connecting base, also are fixedly connected with the toolbox on the described mounting plate.
6. self-propelled type power plant according to claim 1 is characterized in that, described chassis frame is that steel pipe and Plate Welding form, and to be that rubber track plate is hinged form described crawler belt.
7. self-propelled type power plant according to claim 1 is characterized in that, described control valve is solenoid valve, wherein:
Described self-propelled type power plant also comprise controller, are connected by line electricity between described controller and the described solenoid valve, perhaps, wireless connections between described controller and the described solenoid valve;
Described controller is for the switching signal that described solenoid valve is sent in order to the working state of switching described solenoid valve;
Described solenoid valve is used for receiving described switching signal, and switches between described the first working state and described the second working state according to described switching signal.
8. self-propelled type power plant according to claim 7 is characterized in that, described hydraulic oil power source comprises motor and hydraulic-pressure pump, wherein:
The power input shaft rotation that the pto＝power take-off of described motor is connected with the power input shaft of described hydraulic-pressure pump and also can drives described hydraulic-pressure pump;
The hydraulic oil entrance of described hydraulic-pressure pump is inserted in the interior hydraulic oil of hydraulic oil container;
The hydraulic oil outlet of described hydraulic-pressure pump is connected with the filler opening of described control valve.
9. self-propelled type power plant according to claim 1 is characterized in that, also are provided with the traction through hole on the described chassis frame.
10. an auxiliary mounting system that is used for hoist is characterized in that, comprises the arbitrary described self-propelled type power plant of claim 1-9, wherein:
Described the second oil outlet in the described self-propelled type power plant is connected with the hydraulic oil import of the power oil cylinder with pin of hoist;
The hydraulic oil outlet of the power oil cylinder with pin of described hoist is connected with hydraulic oil container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220366952 CN202733343U (en) | 2012-07-26 | 2012-07-26 | Self-propelled powder device and auxiliary installation system used for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220366952 CN202733343U (en) | 2012-07-26 | 2012-07-26 | Self-propelled powder device and auxiliary installation system used for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202733343U true CN202733343U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220366952 Withdrawn - After Issue CN202733343U (en) | 2012-07-26 | 2012-07-26 | Self-propelled powder device and auxiliary installation system used for crane |
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| Country | Link |
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| CN (1) | CN202733343U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574232A (en) * | 2012-07-26 | 2014-02-12 | 徐工集团工程机械股份有限公司 | Self-propelled power device and auxiliary mounting system for crane |
| CN108560552A (en) * | 2018-05-04 | 2018-09-21 | 张静 | A kind of emergency dealing plants stake, pile pulling integrated apparatus |
| CN108799219A (en) * | 2018-07-09 | 2018-11-13 | 三汽车起重机械有限公司 | Crane and its hydraulic control system for single-cylinder bolt type telescopic mechanism |
| CN111238706A (en) * | 2020-02-14 | 2020-06-05 | 上海上安机械施工有限公司 | Method for detecting supporting force of supporting leg of self-propelled crane |
-
2012
- 2012-07-26 CN CN 201220366952 patent/CN202733343U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574232A (en) * | 2012-07-26 | 2014-02-12 | 徐工集团工程机械股份有限公司 | Self-propelled power device and auxiliary mounting system for crane |
| CN108560552A (en) * | 2018-05-04 | 2018-09-21 | 张静 | A kind of emergency dealing plants stake, pile pulling integrated apparatus |
| CN108799219A (en) * | 2018-07-09 | 2018-11-13 | 三汽车起重机械有限公司 | Crane and its hydraulic control system for single-cylinder bolt type telescopic mechanism |
| CN108799219B (en) * | 2018-07-09 | 2020-06-30 | 三一汽车起重机械有限公司 | Crane and single-cylinder bolt type telescopic mechanism hydraulic control system thereof |
| CN111238706A (en) * | 2020-02-14 | 2020-06-05 | 上海上安机械施工有限公司 | Method for detecting supporting force of supporting leg of self-propelled crane |
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