CN203294080U - Supporting leg seat, supporting leg and engineering machinery - Google Patents

Supporting leg seat, supporting leg and engineering machinery Download PDF

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Publication number
CN203294080U
CN203294080U CN2013202535952U CN201320253595U CN203294080U CN 203294080 U CN203294080 U CN 203294080U CN 2013202535952 U CN2013202535952 U CN 2013202535952U CN 201320253595 U CN201320253595 U CN 201320253595U CN 203294080 U CN203294080 U CN 203294080U
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CN
China
Prior art keywords
supporting leg
hole
groove
leg seat
hinge head
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.)
Expired - Lifetime
Application number
CN2013202535952U
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Chinese (zh)
Inventor
谢志勤
刘星
姚一民
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Sany Automobile Manufacturing Co Ltd
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Sany Automobile Manufacturing Co Ltd
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Filing date
Publication date
Application filed by Sany Automobile Manufacturing Co Ltd filed Critical Sany Automobile Manufacturing Co Ltd
Priority to CN2013202535952U priority Critical patent/CN203294080U/en
Application granted granted Critical
Publication of CN203294080U publication Critical patent/CN203294080U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a supporting leg seat, which comprises a base (1). The upper surface of the base (1) is provided with a groove (2) matched with a spherical hinge joint. The base (1) is also provided with a through hole (3). The inner end of the through hole is communicated with the groove. A fastening member (4) capable of extending into the groove to be positioned is arranged in the through hole. When the supporting leg seat is in use, the fastening member can extend into the groove along the through hole to be abutted against the outer peripheral surface of the spherical hinge joint in the groove. In this way, the spherical hinge joint and the base are fastened together, so that the relative rotation between the spherical hinge joint and the base can be avoided. When the engineering machinery is in a transport state, the supporting leg seat is fixed at a location of a maximal departure angle, wherein the spherical hinge joint of the piston rod thereof is kept from rotating to avoid the occurrence of any influence on the departure angles of vehicles. When the engineering machinery is in an operation state, the fastening member is released. In this way, the supporting leg seat is capable of rotating around the spherical hinge joint of the piston rod to realize the flexible contact with the ground. The utility model also discloses a supporting leg and the engineering machinery, wherein the supporting leg and the engineering machinery are provided with the above supporting leg seat.

Description

Supporting leg seat, supporting leg and construction machinery and equipment
Technical field
The utility model belongs to technical field of engineering machinery, the supporting leg seat of using in particular to a kind of construction machinery and equipment; The utility model also relates to supporting leg and the construction machinery and equipment with this supporting leg seat simultaneously.
Background technology
At present, the application of supporting leg on the implements such as construction machinery and equipment is more and more general.Usually, when the implement operation, they are supported on Active workings, prevent that implement from toppling in operation process.The lower end of supporting leg is provided with the supporting leg seat usually, between the supporting leg of many construction machinery and equipments and supporting leg seat, adopt the mode of bulb joint to connect, this kind bind mode can make the supporting leg seat rotate freely around bulb, flexible and changeable supporting leg seat can adapt to the operating mode of various complex-terrains, and supporting leg stably is supported on ground.But existing supporting leg seat has the characteristic of rotating freely, and the supporting leg seat rotates because of vibration in the construction machinery and equipment middle meeting of travelling.Because the afterbody of construction machinery and equipment is provided with supporting leg usually, the supporting leg seat freely rotates easily and collides with the ground generation, can affect the departure angle of construction machinery and equipment.As shown in Figure 1, when the supporting leg seat turned in figure position, the angle between supporting leg seat and ground was α, the minimum position of vehicle departure angle at this moment, as shown in Figure 2, when the supporting leg seat turns in figure position, angle between supporting leg seat and ground is β, is vehicle departure angle maximum position at this moment.
Chinese invention patent publication number CN101391598 discloses a kind of folding type support disk, and supporting disk is the supporting leg seat.This patent adopts the folding method of telescopic oil cylinder mechanism, when its supporting disk can be realized work, supporting disk is opened, and while travelling, supporting disk is folded and draws in.The advantage of this technical scheme is to increase vehicle departure angle under steam, and shortcoming is complex structure, operation, processing difficulties, but also significantly increased the weight of supporting disk.
The utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of supporting leg seat, this supporting leg seat can prevent from Vehicle Driving Cycle avoiding affecting the departure angle of vehicle because vibration rotates.In addition, the utility model also provides a kind of construction machinery and equipment that has the supporting leg of this supporting leg seat and have this supporting leg.
On the one hand, the utility model provides a kind of supporting leg seat, comprise pedestal, above described pedestal, be provided with the groove for matching with the globular hinge head, described pedestal is provided with through hole, the inner of described through hole is communicated to groove, in described through hole, is provided with and can stretches in groove and the tightening part of location.
Further, at least one section of described through hole is provided with negative thread, and at least one section of described tightening part is provided with the outside thread that matches with described negative thread.
Further, described tightening part is provided with nut or spanner on the end near the through hole outer end.
Further, described tightening part is near the curved surface of an end for matching with the sphere of globular hinge head of through hole the inner.
Further, the outer end of described through hole is arranged at the pedestal sidepiece.
Above the pedestal of supporting leg seat provided by the utility model, be provided with the groove for matching with the globular hinge head, described pedestal is provided with through hole, and the inner of described through hole is communicated to groove, in described through hole, is provided with and can stretches in groove and the tightening part of location.When the utility model used, the tightening part can stretch in groove along through hole, withstands on the outer peripheral face of the globular hinge head that is in groove, realizes the tightening of globular hinge head and pedestal, thereby prevents that globular hinge head and pedestal from relatively rotating.When the construction machinery and equipment motoring condition, the supporting leg seat can be fixed on to the departure angle maximum position, do not allow it around piston rod globular hinge head, rotate, avoid affecting the departure angle of vehicle; When the engineer machinery operation state, unclamp the tightening part, the supporting leg seat still can rotate around piston rod globular hinge head, realizes the flexible contacting with ground.The supporting leg holder structure that the utility model provides is simple, easy and simple to handle, by the tightening part, can make supporting leg seat and globular hinge head keep relative fixing, has stronger practicality and promotional value.
On the other hand, the utility model also provides a kind of supporting leg, comprises supporting leg body and supporting leg seat as above, and the supporting leg body is provided with the globular hinge head, and described globular hinge head is located in described groove.
Further, described globular hinge head outer peripheral face is provided with and can stretches to the annular groove that the end in groove snaps in for the tightening part.
Supporting leg provided by the utility model is provided with above-mentioned supporting leg seat, and because above-mentioned supporting leg seat has above-mentioned technique effect, this supporting leg also should possess corresponding technique effect, therefore is not described in detail.
On the one hand, the utility model also provides a kind of construction machinery and equipment, on described construction machinery and equipment, is provided with supporting leg as above again.
Construction machinery and equipment provided by the utility model is provided with above-mentioned supporting leg, and because above-mentioned supporting leg has above-mentioned technique effect, this project machinery also should possess corresponding technique effect, therefore is not described in detail.
The accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram when in correlation technique, the supporting leg seat turns to the maximum position of vehicle departure angle;
Fig. 2 is the schematic diagram when in correlation technique, the supporting leg seat turns to the minimum position of vehicle departure angle;
The supporting leg seat that Fig. 3 provides for the utility model embodiment mono-and the solid of globular hinge head assembling schematic diagram;
Cutaway view after the supporting leg seat that Fig. 4 provides for the utility model embodiment mono-and the assembling of globular hinge head.
Cutaway view after the supporting leg seat that Fig. 5 provides for the utility model embodiment bis-and the assembling of globular hinge head.
Cutaway view after the supporting leg seat that Fig. 6 provides for the utility model embodiment tri-and the assembling of globular hinge head.
The specific embodiment
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with 3 to 6 pairs of specific embodiment of the utility model of accompanying drawing, be elaborated.It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the utility model can make up mutually.
Core of the present utility model is to provide a kind of supporting leg seat.This supporting leg seat can prevent the supporting leg seat in Vehicle Driving Cycle because vibration rotates, avoid affecting the departure angle of vehicle.
For convenience of description, the following examples combine supporting leg seat of the present utility model and supporting leg to describe.
As shown in Figure 3 and Figure 4, the supporting leg seat that embodiment mono-of the present utility model provides, be used to being assemblied in the lower end of supporting leg body, supporting leg body and supporting leg seat form supporting leg.The supporting leg body can be telescopic oil cylinder, and telescopic oil cylinder vertically arranges, and the piston rod of telescopic oil cylinder is in below, and piston rod 5 lower ends of telescopic oil cylinder are provided with globular hinge head 6.The supporting leg seat comprises pedestal 1, above described pedestal 1, be provided with the groove 2 for matching with the globular hinge head, in groove 2, be provided with bearing shell 7, described bearing shell 7 is provided with the sphere curved surface that supports described globular hinge head, globular hinge head 6 is located in described groove 2 and is supported by bearing shell, like this, the supporting leg seat can rotate freely around the globular hinge head.Upper edge at groove 2 also is provided with pressing plate 8, pressing plate 8 is two, is semi-circular, and pressing plate 8 is fixed on pedestal 1 by screw 9, the diameter of the circular hole of two pressing plate compositions, less than the diameter of globular hinge head 6, can prevent that like this globular hinge head 6 is from deviating from groove 2.On pedestal 1, also grease cup and oil leab can be set, the grease in grease cup flows in groove by the oil leab that is opened on pedestal 1, realizes lubricating the ball pivot place.
Described pedestal 1 is provided with through hole 3, and the outer end of described through hole 3 is arranged at pedestal 1 sidepiece, and the inner of described through hole 3 is communicated to groove 2, and when in groove 2, being provided with bearing shell, through hole 3 passes bearing shell.In described through hole 3, be provided with and can stretch in groove 2 and the tightening part 4 of location.Tightening part 4 can stretch in groove 2 along through hole, withstands on the outer peripheral face of the globular hinge head 6 that is in groove 2, relies on friction force to realize the tightening of globular hinge head 6 and pedestal 1, thereby prevents that globular hinge head and pedestal from relatively rotating.When the construction machinery and equipment motoring condition, the supporting leg seat can be fixed on to the departure angle maximum position, do not allow it around piston rod globular hinge head, rotate, avoid affecting the departure angle of vehicle; When the engineer machinery operation state, unclamp the tightening part, the supporting leg seat still can rotate around piston rod globular hinge head, realizes the flexible contacting with ground.
In technique scheme, preferably, described tightening part 4 is near the curved surface of an end for matching with the sphere of globular hinge head of through hole 3 the inners, like this, when tightening part 4 carries out tightening, it carries out face with the globular hinge head and contacts, and larger friction force can be provided, and prevents that further supporting leg seat and globular hinge head from relatively rotating.
In technique scheme, the tightening part relies on friction force to realize the tightening of globular hinge head and pedestal, as another kind of tightening mode, described globular hinge head 6 outer peripheral faces are provided with and can stretch to the annular groove that the end in groove 2 snaps in for tightening part 4, the position that when annular groove can be chosen in the supporting leg seat in the position of globular hinge head 6 and is fixed on the departure angle maximum position, tightening part 4 can snap in.When the construction machinery and equipment motoring condition, after the supporting leg seat is fixed on to the departure angle maximum position, tightening part 4 is snapped in annular groove, equally also can prevent that supporting leg seat and globular hinge head from relatively rotating.
In above-mentioned arbitrary technical scheme, preferred, at least one section of described through hole 3 is provided with negative thread, and at least one section of described tightening part 4 is provided with the outside thread that matches with described negative thread, and tightening part 4 can be screw.Because tightening part 4 and pedestal 1 adopts the mode that is threaded, rotating tightening part 4 can make tightening part 4 stretch in groove 2 along through hole, withstand on the outer peripheral face of the globular hinge head 6 that is in groove 2, rely on friction force to realize the tightening of globular hinge head 6 and pedestal 1, thereby prevent that globular hinge head and pedestal from relatively rotating.Rotate for convenience tightening part 4, at described tightening part 4, on the end near through hole 3 outer ends, the butterfly wrench is set, like this, available hand directly catches the butterfly wrench to rotate tightening part 4, realizes the tightening of supporting leg seat, and is simple to operation.In addition, also can on the end near through hole 3 outer ends, be provided with spanner at described tightening part 4, by spanner, rotate tightening part 4, realize the tightening of supporting leg seat, like this without carrying implement, also comparatively laborsaving.
In technique scheme, tightening part and pedestal adopt the mode that is threaded, and in addition, tightening part and pedestal also can adopt the modes such as elastic buckles, as long as can realize that the tightening part stretches in groove and the connection mode of location, all can realize the purpose of this utility model.
as shown in Figure 5, the supporting leg seat that embodiment bis-of the present utility model provides, the difference of itself and embodiment mono-is, what on the end of tightening part 4 near through hole 3 outer ends of embodiment mono-, arrange is the butterfly wrench, and what on the end of the described tightening part of embodiment bis-4 near through hole 3 outer ends, arrange is interior hex slot, in by Allen wrench, inserting, hex slot is to rotate tightening part 4, tightening part 4 is stretched in groove 2 along through hole, withstand on the outer peripheral face of the globular hinge head 6 that is in groove 2, rely on friction force to make supporting leg seat and globular hinge head keep relative fixing, thereby prevent that globular hinge head and pedestal from relatively rotating.It is little that interior hex slot has a volume, the advantage such as comparatively attractive in appearance.
As shown in Figure 6, the supporting leg seat that embodiment tri-of the present utility model provides, described through hole 3 is two, and two through holes are coaxial and be separately positioned on pedestal 1 both sides, and described tightening part 4 is for can be plugged in two latches in through hole 3.The globular hinge head 6 of supporting leg is located in described groove 2, on described globular hinge head 6, be provided with can be coaxial with through hole 3 through hole 10, when through hole 10 and through hole 3 were coaxial, described latch can be plugged in through hole 10 and through hole 3.For preventing that latch from getting loose, can spring cotter be set in the end of latch.Like this, by latch, also can realize that supporting leg seat and globular hinge head keep relative fixing.
The utility model also provides a kind of construction machinery and equipment, on described construction machinery and equipment, is provided with supporting leg as above.When the supporting leg body is telescopic oil cylinder, when the cylinder barrel of telescopic oil cylinder and construction machinery and equipment body are connected to the construction machinery and equipment motoring condition, the supporting leg seat is pulled to the departure angle maximum position, the tightening part is stretched in groove along through hole, withstand on the outer peripheral face of the globular hinge head that is in groove, do not allow it around piston rod globular hinge head, rotate, avoid affecting the departure angle of vehicle; When the engineer machinery operation state, unclamp the tightening part, the supporting leg seat still can rotate around piston rod globular hinge head, realizes the flexible contacting with ground.
More than applied specific case principle of the present utility model and embodiment are set forth, these embodiment are only preferred embodiment of the present utility model, just be used to helping to understand core concept of the present utility model, not in order to limit the utility model.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also carry out some improvement and modification to the utility model; all within spirit of the present utility model and principle; any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (10)

1. supporting leg seat, comprise pedestal (1), above described pedestal (1), be provided with the groove (2) for matching with the globular hinge head, it is characterized in that, described pedestal (1) is provided with through hole (3), the inner of described through hole (3) is communicated to groove (2), in described through hole (3), is provided with and can stretches in groove (2) and the tightening part (4) of location.
2. supporting leg seat according to claim 1, is characterized in that, at least one section of described through hole (3) is provided with negative thread, and at least one section of described tightening part (4) is provided with the outside thread that matches with described negative thread.
3. supporting leg seat according to claim 2, is characterized in that, described tightening part (4) is provided with nut or spanner on the end near through hole (3) outer end.
4. the described supporting leg seat of according to claim 1 to 3 any one, is characterized in that, described tightening part (4) is near the inner curved surface of an end for matching with the sphere of globular hinge head of through hole (3).
5. the described supporting leg seat of according to claim 1 to 3 any one, is characterized in that, the outer end of described through hole (3) is arranged at pedestal (1) sidepiece.
6. supporting leg seat according to claim 1, is characterized in that, described through hole (3) is two, and two through holes are coaxial and be separately positioned on pedestal (1) both sides, and described tightening part (4) is for can be plugged in the latch in two through holes (3).
7. a supporting leg, is characterized in that, comprises supporting leg body and supporting leg seat as described as claim 1 to 5 any one, and the supporting leg body is provided with globular hinge head (6), and described globular hinge head (6) is located in described groove (2).
8. supporting leg according to claim 7, is characterized in that, on described globular hinge head (6) outer peripheral face, is provided with and can stretches to the annular groove that the end in groove (2) snaps in for tightening part (4).
9. supporting leg, it is characterized in that, comprise supporting leg body and supporting leg seat as claimed in claim 6, the supporting leg body is provided with globular hinge head (6), described globular hinge head (6) is located in described groove (2), on described globular hinge head (6), be provided with can be coaxial with through hole (3) through hole (10), when through hole (10) and through hole (3) were coaxial, described latch can be plugged in through hole (10) and through hole (3).
10. a construction machinery and equipment, is characterized in that, on described construction machinery and equipment, is provided with supporting leg as described as claim 7 to 9 any one.
CN2013202535952U 2013-05-10 2013-05-10 Supporting leg seat, supporting leg and engineering machinery Expired - Lifetime CN203294080U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013202535952U CN203294080U (en) 2013-05-10 2013-05-10 Supporting leg seat, supporting leg and engineering machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013202535952U CN203294080U (en) 2013-05-10 2013-05-10 Supporting leg seat, supporting leg and engineering machinery

Publications (1)

Publication Number Publication Date
CN203294080U true CN203294080U (en) 2013-11-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104176018A (en) * 2014-09-01 2014-12-03 四川长江工程起重机有限责任公司 Compound support leg disk mounting device for engineering vehicle
CN106314820A (en) * 2015-06-29 2017-01-11 中国商用飞机有限责任公司 Plug pin type anti-escape process connector and application method thereof
CN106437286A (en) * 2015-08-06 2017-02-22 蔚孜电子商务(上海)有限公司 Tent

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104176018A (en) * 2014-09-01 2014-12-03 四川长江工程起重机有限责任公司 Compound support leg disk mounting device for engineering vehicle
CN106314820A (en) * 2015-06-29 2017-01-11 中国商用飞机有限责任公司 Plug pin type anti-escape process connector and application method thereof
CN106314820B (en) * 2015-06-29 2021-05-07 中国商用飞机有限责任公司 Bolt type anti-escape process connector and application method thereof
CN106437286A (en) * 2015-08-06 2017-02-22 蔚孜电子商务(上海)有限公司 Tent
CN106437286B (en) * 2015-08-06 2020-11-27 蔚孜电子商务(上海)有限公司 Tent

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Granted publication date: 20131120

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