CN201762040U - Crawler-type counterweight trolley and crawler crane - Google Patents
Crawler-type counterweight trolley and crawler crane Download PDFInfo
- Publication number
- CN201762040U CN201762040U CN2010201447448U CN201020144744U CN201762040U CN 201762040 U CN201762040 U CN 201762040U CN 2010201447448 U CN2010201447448 U CN 2010201447448U CN 201020144744 U CN201020144744 U CN 201020144744U CN 201762040 U CN201762040 U CN 201762040U
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- crawler
- counterweight
- suspension
- crawler type
- base
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Abstract
The utility model provides a crawler-type counterweight trolley and a crawler crane with the same. The crawler-type counterweight trolley comprises a crawler chassis, a base and suspension counterweight structures, wherein the base is supported by the crawler chassis; the suspension counterweight structures are symmetrically arranged on two sides of the base; and each suspension counterweight structure comprises a suspension counterweight, a support frame and an amplitude-change pulling plate, one end of the support frame is connected with the suspension counterweight and the other end of the support frame is hinged with the base, and the amplitude-change pulling plate is connected with the support frame and used for bearing and hanging the suspension counterweight, and can lead the suspension counterweight to ascend and descend. According to the utility model, the suspension counterweight structures are arranged on the crawler-type counterweight trolley to increase the suspended load stabilizing moment of the crawler crane, so that the suspended load stability and safety are effectively guaranteed; moreover, the suspension counterweight can temporarily fall to the ground through control, so that the pressure of the counterweight to a crawler can be effectively reduced during the turning of the counterweight trolley, the resistance of the counterweight trolley during the turning is greatly reduced, and the turning of the counterweight trolley can be easily realized.
Description
Technical field
The utility model relates to a kind of crawler crane, and in particular to the crawler type weight vehicle with suspension counterweight.
Background technology
Fast development along with fields such as power construction, bridge construction, petrochemical complex, water resources and hydropower constructions, the modularization of main equipment is also greatly developed, its weight, volume and hoisting height day by day increase, thereby more and more higher to the performance requriements of weight-lifting equipment.Crawler crane relies on advantages such as its lifting weight is big, grounding pressure is little, more and more is subject to people's attention.
For the lifting weight that increases crawler crane and guarantee its operational stability, can have the crawler type weight vehicle of super-starting balance weight to the crawler crane setting.The super-starting balance weight of existing crawler crane is the form that suspends fully substantially, it can't provide enough big balancing torque to satisfy the lifting requirements of super large lifting weight, and, under the restriction of auxiliary equipments such as large-scale driving speed reducer, especially turning performance is not good to make the walking of car load, influences the maneuvering performance of crawler crane.
The utility model content
For solving the aforementioned problems in the prior, the utility model proposes a kind of later-model crawler type weight vehicle and have the crawler crane of this weight vehicle.
According to an aspect of the present utility model, a kind of crawler type weight vehicle is provided, comprising: crawler body; Base is such as being connected in by swivel mounting member on the crawler body and supported by crawler body; And the suspension counter weight construction, being arranged on the both sides of base symmetrically, each suspension counter weight construction includes: the suspension counterweight; Bracing frame, an end connects the suspension counterweight, and the other end is articulated in base; And the luffing arm-tie, be connected in bracing frame, hang the suspension counterweight and can make the lifting of suspension counterweight to hold.
Wherein, each suspension counter weight construction also can comprise: telescopic member, and an end is articulated in bracing frame, and the other end is articulated in base.
Further, telescopic member can comprise the first hydraulically extensible oil cylinder.
Further, the luffing arm-tie can comprise the second hydraulically extensible oil cylinder and the rigidity arm-tie that is connected to the second hydraulically extensible oil cylinder.
Replacedly, the luffing arm-tie can comprise the second hydraulically extensible oil cylinder and the flexible cable that is connected to the second hydraulically extensible oil cylinder, and further, flexible cable can be steel rope.
Further, the crawler type weight vehicle also can comprise the clump weight that is arranged on the base.
Further, base is supported on the crawler body by means of swivel mounting member.
According on the other hand of the present utility model, a kind of crawler crane is provided, this crawler crane comprises crawler type weight vehicle as above.
According to the utility model, can be by on the crawler type weight vehicle, setting up by the suspension counterweight of bracing frame fixed pedestal, not only increase the weight of whole super-starting balance weight, also increased hanging of hoisting crane and carried balancing torque, guaranteed to hang the stability and the safety of carrying effectively; And, owing to can the suspension counterweight temporarily be landed by the action of control luffing arm-tie and telescopic member, thereby when turning, weight vehicle can effectively reduce the pressure of counterweight for crawler belt, and then the resistance when significantly reducing weight vehicle and turning, make the turning of weight vehicle be able to light realization.
Description of drawings
By the detailed description below in conjunction with accompanying drawing, above-mentioned and others of the present utility model, feature and other advantage will be understood better, in the accompanying drawing:
Fig. 1 is the scheme drawing according to the crawler type weight vehicle that is used for crawler crane of the utility model preferred embodiment.
The specific embodiment
Below in conjunction with accompanying drawing, further describe the specific embodiment of the present utility model.Yet the utility model can be with a lot of multi-form enforcements, the embodiment that should not be understood that to only limit to here and presented.On the contrary, provide these embodiment, made that the disclosure is comprehensive and complete, and all sidedly scope of the present utility model has been conveyed to those skilled in the art.
Fig. 1 shows the crawler type weight vehicle 1 that is used for crawler crane according to the utility model preferred embodiment.This crawler type weight vehicle 1 comprises: crawler body 10 has center of gyration line L; And counterweight base 20, can be connected on the crawler body 10 and by swivel mounting member 50 and support by crawler body 10, counterweight base 20 can change the centre line L pivot with respect to the crawler body wraparound thus, on this counterweight base 20, can be provided with clump weight 30, and these clump weights 30 are symmetrically distributed about this center of gyration line L preferably.This crawler type weight vehicle 1 also has the suspension counter weight construction 40 that is arranged on the base both sides about center of gyration axis L symmetrically.These two suspension counter weight constructions 40 are mutually the same, and particularly, each suspension counter weight construction 40 includes: suspension counterweight 42; Bracing frame 44, one ends connect suspension counterweight 42, and the other end is articulated in base 20 in hinge-point O place; And luffing arm-tie 48, the one end is connected in bracing frame 44, the other end can with prior art in the same as the A cabinet frame (not shown) that is connected to crawler crane.In this embodiment, luffing arm-tie 48 comprises hydraulically extensible oil cylinder 484 and rigidity arm-tie 482, and luffing arm-tie 48 is used to hold and hangs suspension counterweight 42, plays super-starting balance weight so that make suspension counterweight 42 break away from ground when crawler crane carries out lifting operation.
According to the crawler type weight vehicle 1 of this utility model owing to have bracing frame 44, make during the crawler crane lifting operation, suspension counter weight construction 40 can form a kind of statically determimate structure, thereby the moment that suspension counterweight 42 is provided is more stable, can guarantee its operational stability when being used for crawler crane.In addition, by cooperating of luffing arm-tie 48 and bracing frame 44, promptly the flexible drive bracing frame 44 of the hydraulic ram 484 by luffing arm-tie 48 pivots around hinge-point O, and suspension counterweight 42 is risen to break away from ground or to descend with kiss the earth.
As shown in Figure 1, in this embodiment, also preferably be provided with the telescopic member such as hydraulically extensible oil cylinder 46, an end of this hydraulically extensible oil cylinder 46 is articulated in bracing frame 44, and the other end is articulated in base 20.This hydraulically extensible oil cylinder 46 is set can be formed favourable supports and can more stably realize the rising or the decline of suspension counterweight 42 with the hydraulically extensible oil cylinder 484 of bracing frame 44 and luffing arm-tie 48 bracing frame 44.
It will be understood by those skilled in the art that above-mentioned telescopic member can adopt other structures except that hydraulically extensible oil cylinder 46, the hydraulically extensible oil cylinder 484 of luffing arm-tie 48 also can replace by other telescopic member; In addition, the rigidity arm-tie 482 of luffing arm-tie 48 also can be the flexible cable such as steel rope.
According to crawler type weight vehicle of the present utility model, can effectively increase the weight of whole super-starting balance weight by setting up the suspension counterweight, when being used for the super-tonnage crawler crane, can increase hanging of hoisting crane and carry balancing torque, and make total tilting moment level off to zero, guaranteed year stability and the safety of hanging of hoisting crane effectively.Simultaneously, owing to can design the weight of suspension counterweight according to actual needs, thereby this crawler type weight vehicle has very strong commonality for the crawler crane of super-tonnage.
With reference to Fig. 1, in crawler type weight vehicle according to the utility model preferred embodiment, because the unique design of suspension counter weight construction 40 makes also have improved walking and turning performance according to crawler type weight vehicle of the present utility model, it can improve the maneuvering performance of crawler crane greatly.As mentioned above, hydraulically extensible oil cylinder 484 by luffing arm-tie 48 and expanding-contracting action such as the telescopic member of hydraulically extensible oil cylinder 46, bracing frame 44 can pivot around hinge-point O, breaks away from ground or decline to be positioned over ground purpose thereby can realize making suspension counterweight 42 to rise to suspend.Particularly, when crawler type weight vehicle straight-line travelling because resistance to motion is less, even if thereby the suspension counterweight be in suspended state, the drive system of crawler type weight vehicle also can be to drive its cruising; Yet, when the crawler belt weight vehicle need turn to, be whole curb around the center of gyration line L shown in Fig. 1 voluntarily during pivot stud, because counterweight weight (the weight sum of clump weight and suspension counterweight) is bigger, turning resistance can be very big, the propulsive effort of its drive system often can't make whole car overcome turning resistance and realize turning to smoothly, this moment then can be by control such as telescopic member of hydraulically extensible oil cylinder 46 and luffing arm-tie 48 the expanding-contracting action of hydraulically extensible oil cylinder 484, bracing frame 44 is pivoted so that suspension counterweight 42 realizes temporarily landing reposefully around hinge-point O, thereby effectively reduce the pressure of counterweight for crawler belt, and then the resistance when significantly reducing weight vehicle and turning, make the pivot stud of weight vehicle be able to light realization; After handling maneuver is finished, the expanding-contracting action of the hydraulically extensible oil cylinder 484 by control such as telescopic member of hydraulically extensible oil cylinder 46 and luffing arm-tie 48 again, thus bracing frame 44 is oppositely pivoted so that suspension counterweight 42 is steadily promoted and built on stilts plays the counterweight effect around hinge-point O.
Though the utility model is described in conjunction with being considered to practical example embodiment at present, yet, those skilled in the art will appreciate that the utility model is not limited to disclosed exemplary embodiment.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. a crawler type weight vehicle (1) is characterized in that, comprising:
Crawler body (10);
Base (20) is supported by described crawler body (10); And
Suspension counter weight construction (40) is arranged on the both sides of described base (20) symmetrically, and each described suspension counter weight construction (40) includes:
Suspension counterweight (42);
Bracing frame (44), an end connect described suspension counterweight (42), and the other end is articulated in described base (20); And
Luffing arm-tie (48) is connected in support frame as described above (44), hangs described suspension counterweight (42) and makes described suspension counterweight (42) lifting to hold.
2. crawler type weight vehicle according to claim 1 (1) is characterized in that, each described suspension counter weight construction (40) also comprises: telescopic member, an end are articulated in support frame as described above (44), and the other end is articulated in described base (20).
3. crawler type weight vehicle according to claim 2 (1) is characterized in that, described telescopic member comprises the first hydraulically extensible oil cylinder (46).
4. crawler type weight vehicle according to claim 3 (1) is characterized in that, described luffing arm-tie (48) comprises the second hydraulically extensible oil cylinder (484) and the rigidity arm-tie (482) that is connected to the described second hydraulically extensible oil cylinder (484).
5. crawler type weight vehicle according to claim 3 (1) is characterized in that, described luffing arm-tie (48) comprises the second hydraulically extensible oil cylinder (484) and the flexible cable that is connected to the described second hydraulically extensible oil cylinder (484).
6. crawler type weight vehicle according to claim 5 (1) is characterized in that, described flexible cable is a steel rope.
7. crawler type weight vehicle according to claim 1 (1) is characterized in that, described crawler type weight vehicle (1) also comprises the clump weight (30) that is arranged on the described base (20).
8. crawler type weight vehicle according to claim 1 (1) is characterized in that, described base (20) is supported on the described crawler body (10) by means of swivel mounting member (50).
9. a crawler crane is characterized in that, described crawler crane comprises according to any described crawler type weight vehicle (1) among the claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201447448U CN201762040U (en) | 2010-03-30 | 2010-03-30 | Crawler-type counterweight trolley and crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201447448U CN201762040U (en) | 2010-03-30 | 2010-03-30 | Crawler-type counterweight trolley and crawler crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201762040U true CN201762040U (en) | 2011-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201447448U Expired - Lifetime CN201762040U (en) | 2010-03-30 | 2010-03-30 | Crawler-type counterweight trolley and crawler crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201762040U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044485A1 (en) * | 2011-09-29 | 2013-04-04 | 长沙中联重工科技发展股份有限公司 | Counterweight balancing mechanism and dual arm crane |
| CN108328494A (en) * | 2018-04-08 | 2018-07-27 | 苏州库力铁重工有限公司 | Rollover-resistant mechanism for crane |
-
2010
- 2010-03-30 CN CN2010201447448U patent/CN201762040U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044485A1 (en) * | 2011-09-29 | 2013-04-04 | 长沙中联重工科技发展股份有限公司 | Counterweight balancing mechanism and dual arm crane |
| CN108328494A (en) * | 2018-04-08 | 2018-07-27 | 苏州库力铁重工有限公司 | Rollover-resistant mechanism for crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Patentee after: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Address before: 410013 No. 361 South silver basin, Hunan, Changsha Patentee before: CHANGSHA ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110316 |