CN205616482U - Counter weight articulates system and general chassis hoist - Google Patents
Counter weight articulates system and general chassis hoist Download PDFInfo
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- CN205616482U CN205616482U CN201620302249.2U CN201620302249U CN205616482U CN 205616482 U CN205616482 U CN 205616482U CN 201620302249 U CN201620302249 U CN 201620302249U CN 205616482 U CN205616482 U CN 205616482U
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Abstract
The utility model relates to a counter weight articulates system and general chassis hoist, wherein, the counter weight articulates the system and is used for articulating the revolving stage at the hoist with the counter weight, and the counter weight articulates the system and includes counter weight support and telescopic machanism, the counter weight support detachably install on the chassis of hoist, the counter weight is placed on the counter weight support, telescopic machanism sets up on the back tail frame of revolving stage, telescopic machanism can stretch out or retract, in order to promote the counter weight. The utility model discloses an install counter weight support detachably on the chassis of hoist, after the counter weight articulates the completion, can demolish the counter weight support like this, avoid occuping the space on the chassis to other tool such as convenience of customers mode sleeper, the storage space of platen is walked on the chassis in the increase, promotes the walking convenience, improves performance.
Description
Technical field
This utility model relates to technical field of engineering machinery, particularly relates to a kind of counterweight mounting system
And universal chassis crane.
Background technology
Along with continuing to increase of company's internationalization paces, the competition of mobilecrane is not limited only to
Domestic pharmaceutical industry industry crane manufacturer, competition is the most progressively extended to overseas or even global crane
Crane manufacturer of the same trade, this by our international adaptability of product, design cost,
The indexs such as reliability are had higher requirement.
Universal chassis crane is because of its good native country adaptability, at little tonnage mobilecrane
In the range of, by the use that overseas region user is the most universal, substantially meet overseas local answering
Miscellaneous pavement conditions, axle load limit, by requirements such as performances.But with autocrane special bottom
Dish is compared, and the axle load bearing capacity of universal chassis is less, and stronger by performance, driving performance.
During lift heavy operation, in order to meet the lifting performance under different operating mode, need to mount various combination
Balancing weight.During traveling, limited by external highway code, simultaneously in order to meet universal chassis self
Axle load bearing capacity, need by counterweight remove or partial demolition, carry out upper road traveling.
Large-tonnage mobilecrane in both at home and abroad, the most mostly uses the two-tank method of maturation
Counterweight mounts hydraulic system automatically, and its counterweight is heavier, and monolithic counterweight is at several tons of even tens tons weights
More than amount, it is therefore desirable to twin-tub mounts.Automatically the mounting hydraulic system of two-cylinder type mainly by
Aux. control valve, flow divider, two balanced valves, two accumulators and two weight balancing oil cylinder groups
Become, stablize oil sources and shunted by flow divider, carry out fuel feeding to respectively two weight balancing oil cylinders,
Realize counterweight mounting.
And the tonnage of universal chassis crane is less at present, the crane products weight that accounting is bigger
All below 50 tons, the most several tons of magnitudes of its counterweight maximum, use and include above-mentioned a series of liquid
The large-tonnage two-tank method counterweight of pressure element mounts system automatically, is designed not only to high, increases
Complete machine redundancy weight, and increase system failure point, affects reliability, with existing lightweight,
High Reliability Design theory is not inconsistent.
Having a kind of counterweight to mount system in prior art, employing weight balancing oil cylinder is as chassis, and uses
The technical scheme that counterweight is ejected by oil cylinder.As it is shown in figure 1, this mounting system mainly includes counterweight
A1, weight balancing oil cylinder a2, counterweight support a3 and control valve a4, weight balancing oil cylinder a2 is arranged at chassis
On.Its implementation is: for hollow in the middle of counterweight support a3, weight balancing oil cylinder a2 is positioned over and joins
The center of weight support a3, weight balancing oil cylinder a2 has pallet, by upper-part rotation 180 °, turns
After tail framework is placed in the top of counterweight a1 after platform, handle control valve a4 got off, from chassis liquid
Force feed pumping hydraulic oil, control valve a4 through chassis to weight balancing oil cylinder a2, hydraulic oil enters
The rodless cavity of weight balancing oil cylinder a2, then promotes the cylinder rod of weight balancing oil cylinder a2 to stretch out, by counterweight a1
Push up and carry out counterweight mounting at tail framework to turntable.
Weight balancing oil cylinder and counterweight support are arranged on crane chassis by this mounting mode, take
Space on chassis, and this segment space on chassis, user needs to place other works such as sleeper
Industry instrument, brings to user and uses and the inconvenience such as walking.
Utility model content
The purpose of this utility model is to propose a kind of counterweight mounting system and universal chassis crane,
Solve the problem that in prior art, counterweight mounting system takies space, chassis.
For achieving the above object, this utility model provides a kind of counterweight mounting system, and being used for will
Counterweight is articulated on the turntable of crane, and including counterweight support and telescoping mechanism, described counterweight is propped up
Frame is removably mounted on the chassis of described crane, and described counterweight is placed on described counterweight and props up
On frame, described telescoping mechanism is arranged on the rear tail framework of described turntable, described telescoping mechanism energy
Enough stretch out or retract, to promote described counterweight.
Further, described counterweight support includes that installing plate, the chassis of described crane are provided with
Thread plate, bolt is through the installing hole on described installing plate and described thread plate, described to realize
Removably connecting of the chassis of counterweight support and described crane.
Further, described counterweight support includes that supporting leg, described counterweight are provided with the first hole, institute
State supporting leg and penetrate in described first hole, so that described counterweight is fixed on described counterweight support.
Further, also include that hydraulic control system, described telescoping mechanism are hydraulic jack, institute
The cylinder barrel stating hydraulic jack is fixed, and described hydraulic control system is for controlling described hydraulic jack
Stretching of cylinder rod.
Further, described hydraulic control system includes control valve, the oil-in of described control valve
Connecting oil sources, the oil return opening of described control valve connects fuel tank, the first working oil of described control valve
Mouth connects with the rod chamber of described hydraulic jack, and the second actuator port of described control valve is with described
The rodless cavity connection of hydraulic jack, is realized to described hydraulic oil by the commutation of described control valve
The cylinder rod of cylinder is stretched out or retracts.
Further, described hydraulic control system also includes that balanced valve, described balanced valve are arranged at
Connection oil circuit between first actuator port and the rod chamber of described hydraulic jack of described control valve
On, for controlling the oil return of the rod chamber of described hydraulic jack and static locking.
Further, described balanced valve includes check valve and overflow valve, the oil-feed of described check valve
Mouth connects with the actuator port of described control valve, the oil-out of described check valve and described hydraulic oil
The rod chamber connection of cylinder, described overflow valve is connected in parallel with described check valve, and described overflow
Second actuator port controlling chamber and described control valve of valve and the rodless cavity of described hydraulic jack it
Between connection oil communication.
Further, also include that column, described counterweight are provided with the second hole, the one of described column
End is provided with external screw thread, realizes the connection of described column and described counterweight screwing in described second hole,
The other end of described column is provided with gap, is connected with described telescoping mechanism for described column.
Further, described counterweight is provided with otic placode, after described counterweight is elevated, and described ear
Plate is for realizing the connection of described counterweight and the rear tail framework of described turntable.
Further, the oil-in of described control valve connects with the hydraulic oil pump on described chassis.
For achieving the above object, this utility model additionally provides a kind of crane, including above-mentioned
Counterweight mounting system.
Based on technique scheme, this utility model is by being removably mounted on counterweight support
On the chassis of crane, so after counterweight has mounted, counterweight support removing can be kept away
Exempt from the space taking on chassis, to facilitate other power tools such as user mode sleeper, increase the end
Walk the memory space of platen on dish, promote walking convenience, improve serviceability.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes this
A part for application, schematic description and description of the present utility model is used for explaining this practicality
Novel, it is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of counterweight mounting system in prior art.
Fig. 2 is the structural representation of this utility model counterweight mounting one embodiment of system.
Fig. 3 is the hydraulic principle figure of this utility model counterweight mounting one embodiment of system.
Fig. 4 is the structural representation of counterweight in this utility model counterweight mounting one embodiment of system
Figure.
Fig. 5 is the upward view of counterweight in this utility model counterweight mounting one embodiment of system.
Fig. 6 is that in this utility model counterweight mounting one embodiment of system, the structure of counterweight support is shown
It is intended to.
In figure: a1-counterweight, a2-weight balancing oil cylinder, a3-counterweight support, a4-control valve；
1-counterweight, 11-the first hole, 12-the second hole, 2-hydraulic jack, 3-counterweight support, 31-
Supporting leg, 32-installing plate, 4-control valve, 5-chassis, 6-turntable, 7-balanced valve, 8-column.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical scheme in embodiment
It is clearly and completely described.Obviously, described embodiment is the most of the present utility model
A part of embodiment rather than whole embodiments.Based on embodiment of the present utility model, this
The every other reality that field those of ordinary skill is obtained under not making creative work premise
Execute example, broadly fall into the scope of this utility model protection.
In description of the present utility model, it is to be understood that term " " center ", " laterally ",
" longitudinally ", "front", "rear", "left", "right", " on ", D score, " perpendicular
Directly ", " level ", " top ", " end ", " interior ", " outward " etc. instruction orientation or
Position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of this reality of description
Describe with novel and simplification rather than indicate or imply that the device of indication or element must have spy
Fixed orientation, with specific azimuth configuration and operation, therefore it is not intended that to this utility model
The restriction of protection domain.
As in figure 2 it is shown, mount the structural representation of one embodiment of system for this utility model counterweight
Figure.This counterweight mounting system for being articulated in the turntable 6 of crane, this counterweight by counterweight 1
Mounting system includes that counterweight support 3 and telescoping mechanism, described counterweight support 3 are removably installed
On the chassis 5 of described crane, described counterweight 1 is placed on described counterweight support 3, institute
Stating telescoping mechanism to be arranged on the rear tail framework of described turntable 6, described telescoping mechanism can stretch out
Or retract, to promote described counterweight 1.
Above-described embodiment by being removably mounted on the chassis 5 of crane by counterweight support 3
On, so after counterweight 1 has mounted, counterweight support 3 can be removed, it is to avoid take the end
Space on dish 5, to facilitate other power tools such as user mode sleeper, increases on chassis 5
Walk the memory space of platen, promote walking convenience, improve serviceability.
It addition, counterweight of the prior art mounting system as shown in Figure 1, its weight balancing oil cylinder a2
Being arranged on chassis, it is upwards held up when being stretched out by the cylinder rod of weight balancing oil cylinder a2 by counterweight a1；
And the telescoping mechanism in this utility model is arranged on the rear tail framework of turntable 6, telescoping mechanism is stretched
Go out to arrive counterweight 1, contract back up after mounting with counterweight 1, counterweight 1 is promoted, this will stretch
Contracting mechanism is arranged at the set-up mode of turntable 6, further reduces taking up room on chassis 5,
Provide probability for removably connecting between counterweight support 3 and chassis 5 simultaneously.
Between counterweight support 3 and chassis 5 removably connect implemented multiple choices,
In a preferred embodiment, as shown in Figure 6, described counterweight support 3 includes installing plate 32,
Can be threaded hole on installing plate 32, the chassis 5 of described crane is provided with thread plate, spiral shell
Can also be provided with the installing hole of screw thread on card, bolt is through the spiral shell on described installing plate 32
Installing hole on pit and described thread plate, to realize described counterweight support 3 and described crane
The removably connecting of chassis 5.This bolted mode is relatively simple, easily realizes,
And reliability is higher.It is of course also possible to use bearing pin to connect or hinged, bonding etc. other
Removably connect mode.
As shown in Figure 6, described counterweight support 3 includes rack body and supporting leg 31, preferably but
It is not limited to supporting leg 31 and includes four, be separately positioned on four angles of rack body, formed rectangular
The counterweight support 3 of shape, installing plate 32 can be welded on the bottom of supporting leg 31.Such as Fig. 4 and Fig. 5
Shown in, described counterweight 1 is provided with the first hole 11, when counterweight 1 is placed on counterweight support by needs
Time on 3, only need to by the supporting leg 31 on corresponding for each first hole 31 in counterweight 1 counterweight support 3,
Described counterweight 1 can be fixed on described counterweight support 3.Wherein, the first hole 11 can be
Through hole, it is also possible to for blind hole, be fixed on counterweight support 3 as long as enabling to counterweight 1.
As shown in Figure 4, counterweight mounting system can also include column 8, as it is shown in figure 5, institute
Stating counterweight 1 and be provided with the second hole 12, one end of described column 8 is provided with external screw thread, to screw in
State the second hole 12 and realize the connection of described column 8 and described counterweight 1.It addition, column 8 also may be used
To realize two and the connection of plural counterweight 1, each second hole 8 of multiple counterweights 1
Alignment, the most multiple counterweights 1 are each via the installing plate (not shown) being arranged at side
After connection, column 8 is screwed in the second hole 12.
The other end of column 8 can be provided with gap, and this gap is for described column 8 and described liquid
The cylinder rod of compressing cylinder 2 connects.Specifically, as shown in Figure 4, this gap can make hydraulic jack
The cylinder rod of 2 is laterally inserted into, and has projection above gap, it is possible to stop that cylinder rod is taken out from top
Go out, therefore can prevent cylinder rod from coming off from column 8 during cylinder rod is regained.
In order to avoid owing to letting out in hydraulic jack 2, causing the problems such as counterweight 1 sinking, and carry
High security of system and reliability, after described counterweight 1 is elevated, uppermost one piece of counterweight
1 with the rear tail framework both sides of turntable 6 by hinge, remaining counterweight 1 is by installing plate phase
Connect.Specifically, described counterweight 1 is provided with otic placode (not shown), described otic placode
For realizing the connection of described counterweight 1 and the rear tail framework of described turntable 6.
Telescoping mechanism is by extending and retracting the mounting and lifting realizing described counterweight 1.When turning
When the rear tail framework of platform 6 moves to the top of counterweight 1, telescoping mechanism extends downwardly from, and gradually leans on
Nearly counterweight 1, and mounting with counterweight 1, after mount, telescoping mechanism withdrawal, to
While upper withdrawal, counterweight 1 is promoted.
The form that implements of telescoping mechanism can also have multiple, can be such as by multiple connecting rods
The extensible link mechanism of composition, by applying the power of preset direction, the company of making to this linkage
Linkage stretches up and down, to promote counterweight 1.
In a schematic embodiment, described telescoping mechanism is hydraulic jack 2, described liquid
The cylinder barrel of compressing cylinder 2 is fixed, and flexible by the cylinder rod of hydraulic jack 2 realizes described counterweight
The mounting of 1 and lifting.
Flexible being controlled to hydraulic jack 2 cylinder rod, can arrange hydraulic control for convenience
System, described hydraulic control system is for controlling the flexible of the cylinder rod of described hydraulic jack 2.
As it is shown on figure 3, described hydraulic control system can include control valve 4, described control valve
The oil-in of 4 connects oil sources, and the oil return opening of described control valve 4 connects fuel tank, described control valve 4
The first actuator port connect with the rod chamber of described hydraulic jack 2, the of described control valve 4
Two actuator ports connect with the rodless cavity of described hydraulic jack 2, by changing of described control valve 4
Always the rod chamber to described hydraulic jack 2 or rodless cavity fuel feeding are realized.
Described control valve 4 can be the three-position four-way electromagnetic directional valve with Y type Median Function.
When control valve 4 is in different working positions, realize the rod chamber to hydraulic jack 2 and nothing respectively
Bar chamber delivery hydraulic pressure oil.
The oil sources that the oil-in of described control valve 4 is connected can be the special oil feed pump arranged,
Can also from described chassis 5 hydraulic oil pumping oil.Specifically, control valve 4 can be arranged on
The rear end on chassis 5.
Described hydraulic control system can also include that balanced valve 7, described balanced valve 7 are arranged at institute
State the connection oil between the first actuator port of control valve 4 and the rod chamber of described hydraulic jack 2
Lu Shang, for controlling the oil return of the rod chamber of described hydraulic jack 2 and static locking.
Described balanced valve 7 can include check valve and overflow valve, the oil-in of described check valve with
The actuator port connection of described control valve 4, the oil-out of described check valve and described hydraulic jack
The rod chamber connection of 2, described overflow valve is connected in parallel with described check valve, and described overflow
Second actuator port controlling chamber and described control valve 4 of valve and described hydraulic jack 2 without bar
Connection oil communication between chamber.
When oil-in and the connection of the first actuator port of control valve 4, from the hydraulic oil of oil sources
The rod chamber of hydraulic jack 2, hydraulic pressure is flowed to by the check valve in control valve 4 and balanced valve 7
The cylinder rod of oil cylinder 2 is retracted, and drives counterweight 1 to be lifted up, the rodless cavity of hydraulic jack 2 simultaneously
In hydraulic oil carry out oil return by the oil return opening of control valve 4.
When oil-in and the connection of the second actuator port of control valve 4, from the hydraulic oil of oil sources
Flowed to the rodless cavity of hydraulic jack 2 by control valve 4, the cylinder rod of hydraulic jack 2 is stretched out, by
Gradually near counterweight 1, can complete when contacting with counterweight 1 and the mounting of counterweight 1, simultaneously because
The oil pressure on oil circuit between the rodless cavity of the second actuator port and hydraulic jack 2 is more than the first work
Make the oil pressure on the oil circuit between the rod chamber of hydraulic fluid port and hydraulic jack 2, the therefore control of overflow valve
Chamber processed oil pressure is relatively big, promotes spring to make overflow valve open, the hydraulic pressure of the rod chamber of hydraulic jack 2
Oil is by overflow valve and control valve 4 oil sump tank.
From the description of each embodiment above, the hydraulic control system of this utility model embodiment
System can only include a hydraulic jack and a balanced valve, relative to twin-tub of the prior art
Formula automatically mount hydraulic system, save the quantity of Hydraulic Elements, can significantly alleviate complete machine
Weight, reduce design cost, system failure point can be reduced simultaneously, improve reliability.This reality
It is more suitable for the universal chassis lifting for little tonnage by novel counterweight mounting system embodiment
Machine.
Below to this utility model counterweight mounting system and an enforcement of universal chassis crane
The detailed construction of example illustrates:
As in figure 2 it is shown, hydraulic jack 2 is placed at the rear tail frame center of turntable 6, cylinder barrel
Fixing, it is attached with counterweight 1 by the cylinder rod of hydraulic jack 2, chassis 5 is provided with can
The counterweight support 3 of dismountable, when counterweight 1 has mounted, it is not necessary to during counterweight support 3, can
Counterweight support 3 is removed.As it is shown on figure 3, hydraulic control system mainly by hydraulic jack 2,
Control valve 4 and balanced valve 7 form, and stablize the hydraulic oil left position by control valve 4 of oil sources,
To the rodless cavity fuel feeding of weight balancing oil cylinder 2, now, the cylinder rod of hydraulic jack 2 is stretched out；Control valve
4 when being in right position, and the hydraulic oil stablizing oil sources enters counterweight through control valve 4 and balanced valve 7
The rod chamber of oil cylinder 2, it is achieved the retraction of cylinder rod, counterweight promotes.
By to this utility model counterweight mounting system and multiple enforcements of universal chassis crane
The explanation of example, it can be seen that this utility model counterweight mounting system and universal chassis crane are implemented
Example at least has an one or more of advantage:
1, monovolume is used to raise due to the universal chassis crane of medium and small tonnage, little combinations of weights,
After turntable, tail leaves space, therefore hydraulic jack is arranged at afterbody center after turntable, carries out
Counterweight mounts automatically, installs and use is quite convenient to, and hydraulic jack stroke is short, takes up room
Little；
2, the universal chassis crane counterweight of medium and small tonnage is relatively light, and counterweight of the present utility model is hung
Welding system uses single cylinder design, in the case of meeting stress demand, it is also possible to avoid the occurrence of double
Cylinder is difficult to the problem synchronized；Meanwhile, automatically mount system with two-cylinder type of the prior art compared with,
Using counterweight of the present utility model to mount system, Hydraulic Elements are few, can efficiently control design
Cost, weight, and cost and weight all can reduce by more than 50%, and fault rate reduces,
Reliability is high；
3, counterweight support is dismountable, effectively increases chassis and walks the memory space of platen part, carries
Rise walking convenience.
Finally should be noted that: above example is only in order to illustrate technical side of the present utility model
Case is not intended to limit；Although this utility model having been carried out specifically with reference to preferred embodiment
Bright, those of ordinary skill in the field are it is understood that still can be to tool of the present utility model
Body embodiment is modified or portion of techniques feature is carried out equivalent；Without deviating from this
The spirit of utility model technical scheme, it all should contain the technology being claimed at this utility model
In the middle of aspects.
Claims (11)
1. a counterweight mounting system, for counterweight (1) being articulated in the turntable (6) of crane, it is characterized in that, including counterweight support (3) and telescoping mechanism, described counterweight support (3) is removably mounted on the chassis (5) of described crane, described counterweight (1) is placed on described counterweight support (3), described telescoping mechanism is arranged on the rear tail framework of described turntable (6), described telescoping mechanism can stretch out or retract, to promote described counterweight (1).
Counterweight the most according to claim 1 mounting system, it is characterized in that, described counterweight support (3) includes installing plate (32), the chassis (5) of described crane is provided with thread plate, bolt is through the installing hole on described installing plate (32) and described thread plate, to realize removably connecting of the described counterweight support (3) chassis (5) with described crane.
Counterweight the most according to claim 1 mounting system, it is characterized in that, described counterweight support (3) includes supporting leg (31), described counterweight (1) is provided with the first hole (11), described supporting leg (31) penetrates in described first hole (11), described counterweight (1) to be fixed on described counterweight support (3).
Counterweight the most according to claim 1 mounting system, it is characterized in that, also include hydraulic control system, described telescoping mechanism is hydraulic jack (2), the cylinder barrel of described hydraulic jack (2) is fixed, and described hydraulic control system is used for controlling the flexible of the cylinder rod of described hydraulic jack (2).
Counterweight the most according to claim 4 mounting system, it is characterized in that, described hydraulic control system includes control valve (4), the oil-in of described control valve (4) connects oil sources, the oil return opening of described control valve (4) connects fuel tank, first actuator port of described control valve (4) connects with the rod chamber of described hydraulic jack (2), second actuator port of described control valve (4) connects with the rodless cavity of described hydraulic jack (2), realize stretching out to the cylinder rod of described hydraulic jack (2) or retracting by the commutation of described control valve (4).
Counterweight the most according to claim 5 mounting system, it is characterized in that, described hydraulic control system also includes balanced valve (7), described balanced valve (7) is arranged on the connection oil circuit between the first actuator port of described control valve (4) and the rod chamber of described hydraulic jack (2), is used for controlling the oil return of the rod chamber of described hydraulic jack (2) and static locking.
Counterweight the most according to claim 6 mounting system, it is characterized in that, described balanced valve (7) includes check valve and overflow valve, the oil-in of described check valve connects with the actuator port of described control valve (4), the oil-out of described check valve connects with the rod chamber of described hydraulic jack (2), described overflow valve is connected in parallel with described check valve, and the connection oil communication between the rodless cavity of the control chamber of described overflow valve and the second actuator port of described control valve (4) and described hydraulic jack (2).
Counterweight the most according to claim 1 mounting system, it is characterized in that, also include column (8), described counterweight (1) is provided with the second hole (12), one end of described column (8) is provided with external screw thread, the connection of described column (8) and described counterweight (1) is realized with described second hole (12) of screw-in, the other end of described column (8) is provided with gap, is connected with described telescoping mechanism for described column (8).
Counterweight the most according to claim 1 mounting system, it is characterized in that, described counterweight (1) is provided with otic placode, after described counterweight (1) is elevated, described otic placode is used for the connection realizing described counterweight (1) with the rear tail framework of described turntable (6).
Counterweight the most according to claim 5 mounting system, it is characterised in that the oil-in of described control valve (4) connects with the hydraulic oil pump of described chassis (5).
11. 1 kinds of universal chassis cranes, it is characterised in that include the counterweight mounting system as described in any one of claim 1～10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620302249.2U CN205616482U (en) | 2016-04-12 | 2016-04-12 | Counter weight articulates system and general chassis hoist |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620302249.2U CN205616482U (en) | 2016-04-12 | 2016-04-12 | Counter weight articulates system and general chassis hoist |
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| Publication Number | Publication Date |
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| CN205616482U true CN205616482U (en) | 2016-10-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882712A (en) * | 2017-03-22 | 2017-06-23 | 徐州重型机械有限公司 | A kind of crane new single cylinder balance weight hanging device |
-
2016
- 2016-04-12 CN CN201620302249.2U patent/CN205616482U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882712A (en) * | 2017-03-22 | 2017-06-23 | 徐州重型机械有限公司 | A kind of crane new single cylinder balance weight hanging device |
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