CN102826466A - Support device and crane - Google Patents
Support device and crane Download PDFInfo
- Publication number
- CN102826466A CN102826466A CN2012103468207A CN201210346820A CN102826466A CN 102826466 A CN102826466 A CN 102826466A CN 2012103468207 A CN2012103468207 A CN 2012103468207A CN 201210346820 A CN201210346820 A CN 201210346820A CN 102826466 A CN102826466 A CN 102826466A
- Authority
- CN
- China
- Prior art keywords
- strutting arrangement
- bracing
- upper bracket
- opening
- undersetting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
Abstract
The invention provides a support device and a crane. The support device comprises a lower supporting seat, an upper supporting seat and an elastic element, wherein the lower supporting seat comprises a support part; the upper supporting seat is movably supported on the lower supporting seat; one end of the elastic element is connected with the support part; and the other end of the elastic element is connected with the upper supporting seat. When the piece to be supported is deformed due to flexing and is subjected to vertical force and horizontal force simultaneously, the upper supporting seat is movably supported on the lower supporting seat, the upper supporting seat is driven to move horizontally relative to the lower supporting seat under the action of the horizontal force to return a piece to be supported revert to a state that the piece to be supported is only subjected to vertical force, so that the piece to be supported is prevented from deforming due to flexing, and the service life of the piece to be supported is prolonged.
Description
Technical field
The present invention relates to the hoisting crane field, more specifically, relate to a kind of bracing or strutting arrangement and hoisting crane.
Background technology
Engineering mechanism of the prior art (for example hoisting crane) has supporting leg etc., in use, need be on supporting leg fittable slackening device.Wherein, an end of supporting leg is connected with the vehicle frame of hoisting crane, and the other end is provided with vertical oil cylinder, at the free end of vertical oil cylinder bracing or strutting arrangement is installed.When needs support supporting leg, drive vertical oil cylinder and move downward, thereby whole vehicle frame is supported on the ground through bracing or strutting arrangement.
To shown in Figure 2, the front end of the piston rod of the vertical oil cylinder 80 of the supporting leg of hoisting crane is a cup head like Fig. 1, and bracing or strutting arrangement 100 is provided with a groove that matches with cup head, and it is used to bear the positive pressure from vertical oil cylinder 80.Pressing plate 70 is pressed on the cup head back through bolt 120 and is connected with bracing or strutting arrangement 100, and simultaneously, pressing plate 70 is provided with the pin-and-hole that confession latch 110 passes, and deviates from from groove to prevent vertical oil cylinder 80.
When hoisting crane hung loads, its supporting leg can produce flexure deformation inevitably, so vertical oil cylinder can produce corresponding displacement.Because the cup head of vertical oil cylinder is stuck in the groove of bracing or strutting arrangement, therefore, an end of cup head can not free slippage.This makes vertical oil cylinder 80 except that bearing vertical load, also will bear bigger radial weight, causes vertical oil cylinder to damage easily.In addition, the cup head of vertical oil cylinder 80 can damage latch 110 under the effect of diametral load and flexure deformation, directly deviate from causing cup head from groove, thus the initiation safety misadventure.
Summary of the invention
The present invention aims to provide a kind of bracing or strutting arrangement and hoisting crane, to solve the problem that bracing or strutting arrangement of the prior art makes vertical oil cylinder damage easily.
For solving the problems of the technologies described above, according to a first aspect of the invention, a kind of bracing or strutting arrangement is provided, comprising: undersetting, undersetting comprises the support portion; Upper bracket, upper bracket are supported on the undersetting versatilely; Elastic element, an end of elastic element is connected with the support portion, and the other end of elastic element is connected with upper bracket.
Further, undersetting comprises first opening, and upper bracket comprises pedestal and is arranged on the fixed leg of pedestal below highlightedly; The free end of fixed leg passes first opening and can in the zone that first opening is limited, move.
Further, undersetting or upper bracket are provided with limiting section.
Further, bracing or strutting arrangement also comprises block and fastener, and block and fastener are arranged on the free end of the fixed leg of upper bracket, and upper bracket is connected with undersetting with fastener through block.
Further, elastic element is a disk spring.
Further, bracing or strutting arrangement comprises a plurality of elastic elements, and a plurality of elastic elements are extension spring or stage clip, and extension spring or stage clip are around the fixed leg of upper bracket and along the radial level setting of fixed leg.
Further, undersetting comprise pedestal and with pedestal bonded assembly stationary magazine creel, the sidewall of stationary magazine creel forms the support portion.
Further, at the bottom of stationary magazine creel comprises tin and with second opening that is oppositely arranged at the bottom of the tube, a tube end, be provided with first opening, the free end of fixed leg passes second opening and first opening successively.
Further, pedestal comprises container cavity, and at least a portion of stationary magazine creel is arranged in the container cavity, and stationary magazine creel is connected with the circumferential side wall of container cavity through bolt.
Further, first opening is waist shaped hole or circular hole.
According to a second aspect of the invention, a kind of hoisting crane is provided, comprise supporting leg with the vertical oil cylinder bonded assembly bracing or strutting arrangement of supporting leg, this bracing or strutting arrangement is above-mentioned bracing or strutting arrangement.
Upper bracket among the present invention is supported on the undersetting versatilely; When treating that strut member receives the power of power and horizontal direction of vertical direction simultaneously because of flexure deformation; Under the effect of power in the horizontal direction, promote the relative undersetting occurred level motion of upper bracket, be returned to the state of the power that only receives vertical direction so that treat strut member; Treat that flexure deformation no longer takes place strut member, has prolonged the service life of treating strut member thereby make.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 has schematically shown the scheme drawing that is connected of vertical oil cylinder of the prior art and bracing or strutting arrangement;
Fig. 2 has schematically shown the birds-eye view of bracing or strutting arrangement of the prior art;
Fig. 3 has schematically shown the be connected scheme drawing of the vertical oil cylinder among the present invention with bracing or strutting arrangement;
Fig. 4 has schematically shown the birds-eye view of the bracing or strutting arrangement among the present invention; And
Fig. 5 has schematically shown the part sectional view of the bracing or strutting arrangement when pressing plate is not installed.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
As first aspect of the present invention, a kind of bracing or strutting arrangement is provided, can be used for supporting the supporting leg of heavy-duty machine, especially, be connected with the vertical oil cylinder of the supporting leg of hoisting crane.Certainly, this bracing or strutting arrangement also can be used for supporting the strut member of treating that other receives flexure deformation.
Shown in Fig. 3 to 5, this bracing or strutting arrangement comprises: undersetting 20, upper bracket 10 and elastic element 30.Wherein, undersetting 20 comprises support portion 21; Upper bracket 10 is supported on the undersetting 20 versatilely.One end of elastic element 30 is connected with the sidewall of support portion 21, and the other end of elastic element 30 is connected with upper bracket 10.Preferably, support portion 21 can be designed as cavity, and elastic element 30 is installed in this cavity.
During use, the bracing or strutting arrangement among the present invention is connected with treating strut member (the for example vertical oil cylinder of the supporting leg of hoisting crane), and after upper bracket 10 moved from initial position, elastic element 30 provided a restoring force that can make upper bracket 10 be returned to initial position to upper bracket 10.
Because upper bracket 10 is supported on the undersetting 20 versatilely; Therefore, when treating that strut member receives the power of power and horizontal direction of vertical direction simultaneously because of flexure deformation, under the effect of power in the horizontal direction; Promote upper bracket 10 relative undersetting 20 occurred levels motions; Be returned to the state of the power that only receives vertical direction so that treat strut member, treat that flexure deformation no longer takes place strut member, has prolonged the service life of treating strut member thereby make.After no longer receiving the application force of treating strut member, under the effect of above-mentioned restoring force, upper bracket 10 is returned to initial position, and is very convenient to use.
Preferably, undersetting 20 comprises first opening 232, and upper bracket 10 comprises pedestal 11 and be arranged on the fixed leg 12 of pedestal 11 belows highlightedly that especially, pedestal 11 is provided with and supports recess 13; The free end of fixed leg 12 passes first opening 232 and can in the zone that first opening 232 is limited, move.Preferably, first opening 232 is waist shaped hole or circular hole, wherein, adopts waist shaped hole that upper bracket 10 is only moved in waist shaped hole institute restricted portion along the bearing of trend of waist shaped hole, uses circular hole that upper bracket 10 is moved in any direction.
Preferably, undersetting 20 or upper bracket 10 are provided with limiting section 111.Preferably; Limiting section 111 can be arranged on the pedestal 11, and outstanding downwards, when upper bracket 10 moves to when limiting section 111 is conflicted with the edge of the cylindrical shell of undersetting 20; Can limit upper bracket 10 moving range in the horizontal direction, prevent that upper bracket 10 from coming off from undersetting 20.Especially, the position of limiting section 111 is corresponding with the action radius of first opening 232, and like this, when upper bracket 10 moved to the end position of first opening 232, limiting section 111 also just correspondingly moved to its spacing position.
Preferably, bracing or strutting arrangement also comprises block 50 and fastener 40, and block 50 and fastener 40 are arranged on the free end of the fixed leg 12 of upper bracket 10, and upper bracket 10 is connected with undersetting 20 with fastener 40 through block 50.For example, fastener 40 can be a nut.Use fastener 40 (particularly nut) that block 50 is installed to the free end of the fixed leg 12 of upper bracket 10, can limit in the motion of vertical direction to upper bracket 10.Preferably, between elastic element 30 and block 50, also be provided with axle sleeve 14, it can be used for limiting the distance between elastic element 30 and the block 50.
Preferably, elastic element 30 is disk springs.Especially, it is set on the fixed leg 12 of upper bracket 10.In a not shown embodiment, bracing or strutting arrangement comprises a plurality of elastic elements 30, and a plurality of elastic elements 30 are extension spring or stage clip, and extension spring or stage clip are around the fixed leg 12 of upper bracket 10 and along the radial level setting of fixed leg 12.Especially, extension spring or stage clip can be puts setting, so that on circumferential all directions, to upper bracket uniform restoring force is provided.
Preferably, undersetting 20 comprise pedestal 22 and with pedestal 22 bonded assembly stationary magazine creels 23, the sidewall of stationary magazine creel 23 forms support portion 21.Especially, as shown in Figure 3, the circumferential side wall 221 of pedestal 22 surrounds cylindrical shell, and barrel is provided with locating plate 222, and locating plate 222 is provided with the opening that is used to hold stationary magazine creel 23.During installation, stationary magazine creel 23 is from the opening of the opening insertion locating plate 222 at cylindrical shell top, and like this, 222 pairs of stationary magazine creels 23 of locating plate just capable of using position, and are moved to prevent stationary magazine creel 23.Especially, the upper end of cylindrical shell also is provided with the stay bearing plate 223 with opening, and the end of stationary magazine creel 23 is provided with the bead 233 that matches with this stay bearing plate 223.During assembling, the bead 233 of stationary magazine creel 23 is supported on the stay bearing plate 223 of cylindrical shell, and upper bracket 10 is supported on the bead 233 of stationary magazine creel 23, and can on this bead 233, slide.
Preferably, pedestal 22 comprises container cavity, and at least a portion of stationary magazine creel 23 is arranged in the container cavity, and stationary magazine creel 23 is connected with the circumferential side wall 221 of container cavity through bolt 60.With the radially setting of bolt 60 along circumferential side wall 221, on the one hand can be easily the cylindrical shell of stationary magazine creel and pedestal 22 be assembled, in the time of can preventing also that on the other hand bolt 60 is arranged on the top end of cylindrical shell, be unfavorable for the problem of upper bracket slip.
Preferably, at the bottom of stationary magazine creel 23 comprises tin 231 and with 231 second openings that are oppositely arranged at the bottom of the tube, a tube end 231, be provided with first opening 232, a tube end 231, be provided with first opening 232, the free end of fixed leg 12 passes second opening and first opening 232 successively.
When needs dismountings or carrying, can upper bracket 10, undersetting 20 and elastic element 30 be taken apart through bolt 60 and fastener 40, thereby reduce the weight of single part, bring great convenience to carrying.
Preferably, bracing or strutting arrangement also comprises pressing plate 70, and the two ends of pressing plate 70 removably are connected with upper bracket 10 through bearing pin 71 respectively.
As second aspect of the present invention, a kind of hoisting crane is provided, comprise supporting leg with the vertical oil cylinder 80 bonded assembly bracing or strutting arrangements of supporting leg, this bracing or strutting arrangement is the bracing or strutting arrangement among above-mentioned each embodiment.
Wherein, the end of vertical oil cylinder 80 is arranged on support recess 13 places of bracing or strutting arrangement, through pressing plate 70 and bearing pin 71, can the end of vertical oil cylinder 80 be stuck in the support recess 13 of bracing or strutting arrangement, deviates to prevent it.When needs take out the end of vertical oil cylinder 80 in supporting recess 13, only need the bearing pin 71 of the arbitrary end on the pressing plate 70 be extracted, can pressing plate 70 be rotated around another bearing pin of not extracting 71, thereby the end of vertical oil cylinder 80 is separated from supporting recess 13.
When vertical oil cylinder receives the power of power and horizontal direction of vertical direction simultaneously because of flexure deformation; Under the effect of power in the horizontal direction; Promote upper bracket 10 relative undersetting 20 occurred levels motions,, thereby make vertical oil cylinder that flexure deformation no longer take place so that vertical oil cylinder is returned to the state of the power that only receives vertical direction; Thereby prolonged the service life of vertical oil cylinder, the problem that can effectively avoid vertical oil cylinder to damage because of the power that receives horizontal direction.Further, also removed the application force that is applied on the pressing plate 70, avoided, and caused the end of vertical oil cylinder to break away from the problem of bracing or strutting arrangement, the safety that has improved equipment because of pressing plate 70 stressed excessive deformation or destructions.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a bracing or strutting arrangement is characterized in that, comprising:
Undersetting (20), said undersetting (20) comprises support portion (21);
Upper bracket (10), said upper bracket (10) are supported on the said undersetting (20) versatilely;
Elastic element (30), an end of said elastic element (30) is connected with said support portion (21), and the other end of said elastic element (30) is connected with said upper bracket (10).
2. bracing or strutting arrangement according to claim 1 is characterized in that, said undersetting (20) comprises first opening (232),
Said upper bracket (10) comprises pedestal (11) and is arranged on the fixed leg (12) of said pedestal (11) below highlightedly;
The free end of said fixed leg (12) passes said first opening (232) and can in the zone that said first opening (232) is limited, move.
3. bracing or strutting arrangement according to claim 2 is characterized in that, said undersetting (20) or said upper bracket (10) are provided with limiting section (111).
4. bracing or strutting arrangement according to claim 2; It is characterized in that; Said bracing or strutting arrangement also comprises block (50) and fastener (40); Said block (50) and said fastener (40) are arranged on the free end of the fixed leg (12) of said upper bracket (10), and said upper bracket (10) is connected with said undersetting (20) with said fastener (40) through said block (50).
5. according to each described bracing or strutting arrangement in the claim 2 to 4, it is characterized in that said elastic element (30) is a disk spring.
6. according to each described bracing or strutting arrangement in the claim 2 to 4; It is characterized in that; Said bracing or strutting arrangement comprises a plurality of said elastic elements (30); Said a plurality of elastic element (30) is extension spring or stage clip, and said extension spring or stage clip are around the radial level setting of the fixed leg (12) and the said fixed leg in edge (12) of said upper bracket (10).
7. according to each described bracing or strutting arrangement in the claim 2 to 4, it is characterized in that, said undersetting (20) comprise pedestal (22) and with said pedestal (22) bonded assembly stationary magazine creel (23), the sidewall of said stationary magazine creel (23) forms said support portion (21).
8. bracing or strutting arrangement according to claim 7; It is characterized in that; (231) and second opening that is oppositely arranged with the said tube end (231) at the bottom of said stationary magazine creel (23) comprises tin; The said tube end (231) is provided with said first opening (232), and the free end of said fixed leg (12) passes said second opening and said first opening (232) successively.
9. bracing or strutting arrangement according to claim 7; It is characterized in that; Said pedestal (22) comprises container cavity, and at least a portion of said stationary magazine creel (23) is arranged in the said container cavity, and said stationary magazine creel (23) is connected with the circumferential side wall (221) of said container cavity through bolt (60).
10. according to each described bracing or strutting arrangement in the claim 2 to 4, it is characterized in that said first opening (232) is waist shaped hole or circular hole.
11. a hoisting crane, comprise supporting leg with vertical oil cylinder (80) the bonded assembly bracing or strutting arrangement of said supporting leg, it is characterized in that said bracing or strutting arrangement is each described bracing or strutting arrangement in the claim 1 to 10.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210346820.7A CN102826466B (en) | 2012-09-18 | 2012-09-18 | Support device and crane |
| PCT/CN2012/082042 WO2014043933A1 (en) | 2012-09-18 | 2012-09-26 | Supporting device and cranes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210346820.7A CN102826466B (en) | 2012-09-18 | 2012-09-18 | Support device and crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102826466A true CN102826466A (en) | 2012-12-19 |
| CN102826466B CN102826466B (en) | 2014-07-23 |
Family
ID=47329818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210346820.7A Active CN102826466B (en) | 2012-09-18 | 2012-09-18 | Support device and crane |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102826466B (en) |
| WO (1) | WO2014043933A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201777804U (en) * | 2010-09-01 | 2011-03-30 | 三一汽车起重机械有限公司 | Disc with adjustable support legs |
| CN102416933A (en) * | 2010-09-28 | 2012-04-18 | 徐州重型机械有限公司 | Construction machinery chassis and supporting leg supporting device thereof |
| CN202744198U (en) * | 2012-09-18 | 2013-02-20 | 中联重科股份有限公司 | Supporting device and crane |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1500618A1 (en) * | 1987-12-10 | 1989-08-15 | Evgenij V Reminets | Bracing jack for load handling unit |
| SU1735201A1 (en) * | 1990-04-10 | 1992-05-23 | Серпуховское высшее военное командно-инженерное училище ракетных войск им.Ленинского комсомола | Outrigger for hoisting and transportation vehicles |
| CN201800687U (en) * | 2010-09-28 | 2011-04-20 | 徐州重型机械有限公司 | Engineering mechanical chassis and leg supporting device thereof |
-
2012
- 2012-09-18 CN CN201210346820.7A patent/CN102826466B/en active Active
- 2012-09-26 WO PCT/CN2012/082042 patent/WO2014043933A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201777804U (en) * | 2010-09-01 | 2011-03-30 | 三一汽车起重机械有限公司 | Disc with adjustable support legs |
| CN102416933A (en) * | 2010-09-28 | 2012-04-18 | 徐州重型机械有限公司 | Construction machinery chassis and supporting leg supporting device thereof |
| CN202744198U (en) * | 2012-09-18 | 2013-02-20 | 中联重科股份有限公司 | Supporting device and crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102826466B (en) | 2014-07-23 |
| WO2014043933A1 (en) | 2014-03-27 |
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