CN202413739U - Engineering machinery supporting device and engineering machinery with same - Google Patents
Engineering machinery supporting device and engineering machinery with same Download PDFInfo
- Publication number
- CN202413739U CN202413739U CN2011203621617U CN201120362161U CN202413739U CN 202413739 U CN202413739 U CN 202413739U CN 2011203621617 U CN2011203621617 U CN 2011203621617U CN 201120362161 U CN201120362161 U CN 201120362161U CN 202413739 U CN202413739 U CN 202413739U
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- China
- Prior art keywords
- telescopic boom
- framework
- construction machinery
- equipment
- bearing set
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Abstract
The utility model provides an engineering machinery supporting device, comprising framework components and support arms, wherein the framework components comprise a first framework and a second framework, which are crossed and fixed in a stacking manner; the support arms comprise a first telescopic arm, a second telescopic arm, a third telescopic arm and a fourth telescopic arm; the first telescopic arm and the third telescopic arm are arranged in the first framework in a scalable manner; the second telescopic arm and the fourth telescopic arm are arranged in the second framework in a scalable manner; and when the support arm is accommodated in the framework component, the first telescopic arm and the third telescopic arm are nested, and the second telescopic arm and the fourth telescopic arm are nested. The support arm is of a telescopic structure, so that engineer machinery can be facilitated to expand legs in a narrower space. The engineering machinery supporting device has a structure with two framework components, so that the occupied space of the engineering machinery supporting device is reduced, and the structure of engineering machinery is made compacter. The utility model further relates to the engineering machinery with the supporting device.
Description
Technical field
The utility model relates to a kind of construction machinery and equipment bearing set and has the construction machinery and equipment of this bearing set.
Background technology
At present, the hold-down arm structure of construction machinery and equipments such as concrete pump truck has following structure usually, sees also Fig. 1, and a kind of is that preceding hold-down arm 11 intersections are flexible, the structures of back hold-down arm 12 swings.See also Fig. 2, another kind of is that front and back hold-down arm 13 is the flexible structure of intersection.The hold-down arm of this kind structure all has four independently frame elements 14, and frame element 14 is divided into up and down two-layer layout, has bigger stroke with hold-down arm 13 before and after guaranteeing.Before construction machinery and equipment work, relative vehicle body of hold-down arm launches, supports ground before and after it, is used for bearing the moment of flexure that construction machinery and equipment work progress car load is conducted oneself with dignity and produced, and topples to prevent construction machinery and equipment.
Yet hold-down arm 11 intersects flexible, back hold-down arm 12 swinging structures before adopting, and needs bigger space so that therefore the expansion of back hold-down arm 12 is subject to less construction environment.And hold-down arm 13 is and intersects flexible structure before and after adopting, because its frame element 14 be a two-layer layout up and down, and frame element 14 is four, and it takes up room bigger, and structure is comparatively complicated, therefore makes the construction machinery and equipment integral body compactness inadequately that seems.
Therefore, even a kind of less construction machinery and equipment that in less construction environment, also can launch, support the construction machinery and equipment bearing set on ground and use this bearing set that takes up room is provided, become the problem of needing solution badly.
The utility model content
In order to overcome the above-mentioned defective and the deficiency of prior art; The purpose of the utility model is to provide a kind of construction machinery and equipment bearing set; Comprise frame element and hold-down arm, said frame element comprises first framework and second framework, and it is fixing that said first framework and second ccf layer overlap fork; Said hold-down arm comprises first telescopic boom, second telescopic boom, the 3rd telescopic boom and the 4th telescopic boom; Said first telescopic boom and the 3rd telescopic boom telescopically are arranged in said first framework, and said second telescopic boom and the 4th telescopic boom telescopically are arranged in said second framework, and said hold-down arm is when being contained in the said frame element; Said first telescopic boom and the nested setting of said the 3rd telescopic boom, said second telescopic boom and the nested setting of said the 4th telescopic boom.
Preferably, offer groove on said the 3rd telescopic boom and the 4th telescopic boom, the said first telescopic boom telescopically is contained in the groove of said the 3rd telescopic boom, and the said second telescopic boom telescopically is contained in the groove of said the 4th telescopic boom.
Preferably, the length of said first telescopic boom and said the 3rd telescopic boom is identical with the length of said first framework, and the length of said second telescopic boom and said the 4th telescopic boom is identical with the length of said second framework.
Preferably, when said hold-down arm stretched out said frame element, said first telescopic boom part ground was nested with said the 3rd telescopic boom, and said second telescopic boom part ground is nested with said the 4th telescopic boom.
Preferably; The construction machinery and equipment bearing set also comprises supporting member; It is fixed on said first telescopic boom and cooresponding said first framework of said second telescopic boom and second framework in, said first telescopic boom and said second telescopic boom are arranged on the said supporting member slidably.
The utility model also provides the construction machinery and equipment of the above-mentioned bearing set of an application.
Preferably, said construction machinery and equipment is a concrete pump truck.
This hold-down arm has all adopted telescopic structure, therefore, can be convenient to construction machinery and equipment and in less space, launch supporting leg.In addition; Under the situation of the length of this first telescopic boom, second telescopic boom, the 3rd telescopic boom and the 4th telescopic boom and the equal in length of frame element, also adopted structure, therefore with two frame elements; The stroke of hold-down arm is increased; Stability when improving the construction machinery and equipment construction, and reduced taking up room of construction machinery and equipment bearing set, make the structure of construction machinery and equipment compact more.
Description of drawings
Shown in Figure 1 is the hold-down arm structural representation of existing construction machinery and equipment.
Shown in Figure 2 is the hold-down arm structural representation of another kind of existing construction machinery and equipment.
Structural representation when the bearing set of the construction machinery and equipment that provides for the utility model preferred embodiment shown in Figure 3 launches.
Shown in Figure 4 is the bearing set of construction machinery and equipment among Fig. 3 structural representation when regaining.
The part sectional view of the bearing set of the construction machinery and equipment that provides for the utility model preferred embodiment shown in Figure 5.
The specific embodiment
To combine the Fig. 3 to Fig. 5 in the utility model preferred embodiment below, the technical scheme among the utility model embodiment will be carried out clear, intactly description.
The utility model provides a kind of construction machinery and equipment bearing set, and it is applied in the construction machinery and equipments such as concrete pump truck, and the utility model is that example is explained with the concrete pump truck.This concrete pump truck comprises chassis 20, and this chassis 20 is used to install rotating mechanism, boom, pumping installation and bearing set etc.
This project mechanical supporting device comprises frame element, is arranged at hold-down arm and supporting member in the said frame element slidably.Said frame element comprises first framework 31 and second framework 32, and this first framework 31 is with these second framework, 32 stacked on top of one another and be the X-shaped shape and be fixed in across on this chassis 20.Preferably, this first framework 31 is with these second framework, 32 stacked on top of one another and be the X-shaped shape and be fixed in across on this chassis 20, and this first framework 31 and the centre plane symmetric arrangement of this second framework 32 with respect to this chassis 20.This first framework 31 and second framework 32 can be sleeve pipe, also can be guide rail, and it is used to make hold-down arm to stretch therein.
Said hold-down arm comprises first telescopic boom 41, second telescopic boom 42, the 3rd telescopic boom 43 and the 4th telescopic boom 44, and the free end of each telescopic boom is provided with the telescopic oil cylinder (figure does not show) that can vertically stretch.This first telescopic boom 41 is arranged in this first framework 31 through the hydraulic oil cylinder driving telescopically with the 3rd telescopic boom 43, and this second telescopic boom 42 and the 4th telescopic boom 44 are arranged in this second framework 32 through the hydraulic oil cylinder driving telescopically.Wherein, this first telescopic boom 41 is flexible to the direction of the right front of this concrete pump truck, and the 3rd telescopic boom 43 is flexible to the direction of the left back of this concrete pump truck; This second telescopic boom 42 is flexible to the direction of the left front of this concrete pump truck, and the 4th telescopic boom 44 is flexible to the direction of the left back of this concrete pump truck.The length of this first telescopic boom 41 and the 3rd telescopic boom 43 is identical with the length of this first framework 31, and the length of this second telescopic boom 42 and the 4th telescopic boom 44 is identical with the length of this second framework 32.The sectional dimension of this first telescopic boom 41 is less than the sectional dimension of the 3rd telescopic boom 43; Offer groove 431 on the 3rd telescopic boom 43; When this first telescopic boom 41 and the 3rd telescopic boom 43 are retracted in this first framework 31, this first telescopic boom 41 can be contained in this groove 431 with the 43 nested settings of the 3rd telescopic boom; The sectional dimension of this second telescopic boom 42 is less than the sectional dimension of the 4th telescopic boom 44; Offer groove (figure does not show) on the 4th telescopic boom 44; When this second telescopic boom 42 and the 4th telescopic boom 44 are retracted in this second framework 32, this second telescopic boom 42 can be contained in this groove with the 44 nested settings of the 4th telescopic boom.
This supporting member 5 is fixed on the exit of this first telescopic boom 41 and this second telescopic boom 42 cooresponding these first frameworks 31 and second framework 32; This first telescopic boom 41 and this second telescopic boom 42 are arranged on this supporting member 5 slidably; Make this first telescopic boom 41 align mutually with the groove 431 of the 3rd telescopic boom 43; This second telescopic boom 42 aligns with the groove of the 4th telescopic boom 44 mutually; Therefore; Relative the 3rd telescopic boom 43 and the 44 not run-off the straights of the 4th telescopic boom interfered to avoid first telescopic boom 41 and the 3rd telescopic boom 43 and second telescopic boom 42 and the 4th telescopic boom 44 when this supporting member 5 can guarantee first telescopic boom 41 and 42 withdrawals of second telescopic boom.
When work, this first telescopic boom 41 and the 3rd telescopic boom 43 stretch out from this first framework 31, and this second telescopic boom 42 and the 4th telescopic boom 44 stretch out from this second framework 32.Then, said telescopic oil cylinder can vertically stretch out and kiss the earth so that concrete pump truck is supported.After work was accomplished, this first telescopic boom 41 and the 3rd telescopic boom 43 bounced back in this first framework 31, and this first telescopic boom 41 is contained in this groove 431 and with the 43 nested settings of the 3rd telescopic boom; This second telescopic boom 42 and the 4th telescopic boom 44 bounce back in this second framework 32, and this second telescopic boom 42 is contained in the groove of the 4th telescopic boom 44, and with the 44 nested settings of the 4th telescopic boom.
This hold-down arm has all adopted telescopic structure, therefore, can be convenient to construction machinery and equipment and in less space, launch supporting leg.In addition; Under the situation of the length of this first telescopic boom 41, second telescopic boom 42, the 3rd telescopic boom 43 and the 4th telescopic boom 44 and the equal in length of frame element, also adopted structure, therefore with two frame elements; The stroke of hold-down arm is increased; Stability when improving the construction machinery and equipment construction, and reduced taking up room of construction machinery and equipment bearing set, make the structure of construction machinery and equipment compact more.
Be appreciated that; This supporting member 5 can be save; As long as in the practice of construction process, guarantee when hold-down arm stretches out fully, this first telescopic boom 41 still partly is nested with the 3rd telescopic boom 43, and this second telescopic boom 42 partly is nested with the 4th telescopic boom 44 and gets final product.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. construction machinery and equipment bearing set; Comprise frame element and hold-down arm; It is characterized in that: said frame element comprises first framework (31) and second framework (32); Said first framework (31) and the range upon range of cross fixation of second framework (32) are on the chassis (20) of construction machinery and equipment; Said hold-down arm comprises first telescopic boom (41), second telescopic boom (42), the 3rd telescopic boom (43) and the 4th telescopic boom (44); Said first telescopic boom (41) and the 3rd telescopic boom (43) telescopically are arranged in said first framework (31), and said second telescopic boom (42) and the 4th telescopic boom (44) telescopically are arranged in said second framework (32), and said hold-down arm is when being contained in the said frame element; Said first telescopic boom (41) and the nested setting of said the 3rd telescopic boom (43), said second telescopic boom (42) and the nested setting of said the 4th telescopic boom (44).
2. construction machinery and equipment bearing set according to claim 1 is characterized in that: said first framework (31) and the centre plane symmetric arrangement of said second framework (32) with respect to said chassis (20).
3. construction machinery and equipment bearing set according to claim 2; It is characterized in that: offer groove on said the 3rd telescopic boom (43) and the 4th telescopic boom (44); Said first telescopic boom (41) telescopically is contained in the groove of said the 3rd telescopic boom (43), and said second telescopic boom (42) telescopically is contained in the groove of said the 4th telescopic boom (44).
4. construction machinery and equipment bearing set according to claim 3; It is characterized in that: the length of said first telescopic boom (41) and said the 3rd telescopic boom (43) is identical with the length of said first framework (31), and the length of said second telescopic boom (42) and said the 4th telescopic boom (44) is identical with the length of said second framework (32).
5. according to each described construction machinery and equipment bearing set among the claim 1-4; It is characterized in that: when said hold-down arm stretches out said frame element; Said first telescopic boom (41) partly is nested with said the 3rd telescopic boom (43), and said second telescopic boom (42) partly is nested with said the 4th telescopic boom (44).
6. according to each described construction machinery and equipment bearing set among the claim 1-4; It is characterized in that: also comprise supporting member (5); It is fixed on said first telescopic boom (41) and cooresponding said first framework of said second telescopic boom (42) (31) and second framework (32) in, said first telescopic boom (41) and said second telescopic boom (42) are arranged on the said supporting member (5) slidably.
7. a construction machinery and equipment comprises chassis (20) and is fixed in the construction machinery and equipment bearing set on the said chassis (20), it is characterized in that: said construction machinery and equipment bearing set is each described construction machinery and equipment bearing set among the claim 1-6.
8. construction machinery and equipment according to claim 7 is characterized in that: said construction machinery and equipment is a concrete pump truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203621617U CN202413739U (en) | 2011-09-26 | 2011-09-26 | Engineering machinery supporting device and engineering machinery with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203621617U CN202413739U (en) | 2011-09-26 | 2011-09-26 | Engineering machinery supporting device and engineering machinery with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202413739U true CN202413739U (en) | 2012-09-05 |
Family
ID=46738526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203621617U Expired - Lifetime CN202413739U (en) | 2011-09-26 | 2011-09-26 | Engineering machinery supporting device and engineering machinery with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202413739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010179A (en) * | 2012-12-10 | 2013-04-03 | 三一重工股份有限公司 | Engineering machinery outrigger and concrete pump truck |
-
2011
- 2011-09-26 CN CN2011203621617U patent/CN202413739U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010179A (en) * | 2012-12-10 | 2013-04-03 | 三一重工股份有限公司 | Engineering machinery outrigger and concrete pump truck |
| CN103010179B (en) * | 2012-12-10 | 2015-06-10 | 三一汽车制造有限公司 | Engineering machinery outrigger and concrete pump truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130508 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130508 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee after: SANY Automobile Manufacturing Co., Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: Sanyi Heavy Industry Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |