CN103158682A - Chassis structure of concrete pump truck with X-shaped supporting legs and concrete pump truck - Google Patents
Chassis structure of concrete pump truck with X-shaped supporting legs and concrete pump truck Download PDFInfo
- Publication number
- CN103158682A CN103158682A CN2011104166892A CN201110416689A CN103158682A CN 103158682 A CN103158682 A CN 103158682A CN 2011104166892 A CN2011104166892 A CN 2011104166892A CN 201110416689 A CN201110416689 A CN 201110416689A CN 103158682 A CN103158682 A CN 103158682A
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- China
- Prior art keywords
- concrete pump
- pump truck
- supporting leg
- leg
- joint
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0436—Devices for both conveying and distributing with distribution hose on a mobile support, e.g. truck
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention relates to a chassis structure of a concrete pump truck with X supporting legs and the concrete pump truck. The chassis structure of the concrete pump truck comprises an X-shaped supporting leg assembly, a rotary base matched with the X-shaped supporting leg assembly and a drive mechanism. The X-shaped supporting leg assembly comprises four telescopic supporting legs which and stretch and draw back in four directions. Two telescopic supporting legs are arranged in an adjacent mode, and the other two supporting legs arranged in an adjacent mode are intersected in an X shape. The height of the rotary base is matched with the height size of the telescopic supporting legs which are intersected in the X shape. Front supporting legs and back supporting legs of the chassis structure can be conveniently opened to a designed skip distance, and stability of the whole truck is greatly improved, and therefore safety construction is provided with strong guarantee. Particularly, utilization of a high and large concrete pump truck in construction in a position of a narrow space is not restricted in space. The chassis structure further enables an enterprise not to need to purchase large-scale processing equipment when the concrete pump truck is produced, thereby saving a large amount of production cost for the enterprise.
Description
Technical field
The present invention relates to a kind of pump truck underframe and pump truck, particularly relate to a kind of concrete pump truck chassis structure and concrete pump truck of the X of having supporting leg.
Background technology
As illustrated in fig. 1 and 2, at first concrete pump truck must open to the design span with the supporting leg assembly before pumpdown, and vertical support oil cylinder 11 pin dishes are dropped on solid foundation; Then by hydraulic control system, car load is supported, until concrete pump vehicle tyre built on stilts is till the designing requirement.
At present, supporting leg assembly unfolding mode mainly contains two kinds: a kind of is " flexible+as to swing " formula (being commonly called as " X-type supporting leg " in industry), and namely front leg strut is telescopic, and rear support leg is oscillating type.Referring to Fig. 1, front leg strut generally is comprised of two joint telescopic outriggers 12,13, drives telescopic outrigger by combined oil cylinder 15 and stretches out from rotary table 14 and retract.Rear support leg 17 is connected by articulated manner with rotary table 14, and after being driven by oscillating oil cylinder 16, oscillating support leg launches and regains.
Another kind is " swinging, telescopic+swing " formula, and namely front leg strut is swing telescopic, and rear support leg is oscillating type.Front leg strut is comprised of two joint supporting legs, the first segment supporting leg is connected by articulated manner with rotary table, it is inner that the second section supporting leg is placed in the first segment supporting leg, and with the inner moving sets that forms of first segment supporting leg, the second section supporting leg is driven from first segment supporting leg inside by telescopic oil cylinder and stretches out and retract.Rear support leg and rotary table connection and type of drive and front a kind of identical.
Mainly there is following technological deficiency in above-mentioned prior art:
The first, all be connected by articulated manner between rear oscillating support leg and rotary table, after opening and regaining during oscillating support leg, all will be around the hinge scope that rotates a certain angle, and form sector region (as shown in Figure 2).The obstacle that after hindering, oscillating support leg rotates can not be arranged in this sector region, otherwise rear oscillating support leg can not open to the design span, causes whole vehicle stability poor, there is potential safety hazard in construction.Especially when the local construction of space-constrained, such as when building field carries out little high level, Construction of High-rise, because floor interval is limit, the concrete pump truck of high rice number uses and just is restricted.
The second, rotary table and rear oscillating support leg hinge consist of revolute pair by bearing pin, exist to coordinate requirement, therefore must carry out machinework to the axle sleeve of rotary table and rear oscillating support leg, because both sizes are generally larger, need large-scale machining apparatus, thereby make productive costs greatly improve.
Summary of the invention
The objective of the invention is to propose concrete pump truck chassis structure and the concrete pump truck with X supporting leg that before and after a kind of opening, the supporting leg requisite space is less, productive costs is lower.
For achieving the above object, the invention provides a kind of concrete pump truck chassis structure of the X of having supporting leg, comprise X-type supporting leg assembly, the rotary table and the driver train that match with described X-type supporting leg assembly, described X-type supporting leg assembly comprises four to the flexible telescopic outrigger of four direction, wherein two adjacent settings of telescopic outrigger, and being X-type cross with the supporting leg of the adjacent setting of two other, the height of described rotary table matches with the described height dimension that is the telescopic outrigger of X-type cross.
Preferably, described every telescopic outrigger comprises two joint Retractive legs at least.
More preferably, described rotary table is provided with the local at least supporting leg case that X-type cross arranges that is, two telescopic outriggers of accommodating adjacent setting in each supporting leg case, and be respectively equipped with flexible passage and the opening that matches with described telescopic outrigger in described supporting leg case.
Preferably, two telescopic outriggers of described adjacent setting are parallel to each other, and flexible in the opposite direction.
More preferably, described telescopic outrigger comprises that being positioned at rotary table telescopic saves leg and be positioned at the telescopic two joint legs of a described joint leg; And a described joint leg all is connected with driver train with two joint legs.
Further, described driver train comprises the combination telescopic oil cylinder, and described combination telescopic oil cylinder comprises a joint leg oil cylinder and the two joint leg oil cylinders that are mutually permanently connected.
Preferably, the oil circuit between a described joint leg oil cylinder and two joint leg oil cylinders is connected, and is provided with sequence valve on the oil circuit between both.
Preferably, described Undercarriage structure also comprises the inboard cylinder support of the supporting leg case inside that is fixed on rotary table, is fixed in middle the cylinder support of telescopic outrigger one joint leg end, and is fixed in two outside cylinder supports that save leg inside.
Preferably, the outer end of described two joint legs also is provided with vertical support oil cylinder.
Another object of the present invention is to provide a kind of concrete pump truck, described concrete pump truck comprises the concrete pump truck chassis structure of the above-mentioned X of having supporting leg.
Based on technique scheme, advantage of the present invention is:
1, replace with telescopic outrigger after oscillating support leg, telescopic outrigger stretch out and contraction process in only need by narrower rectangular area, needed construction space is less.Elastic supporting leg all can open to the design span very easily, and whole vehicle stability improves greatly, thereby for safe construction provides powerful guarantee, especially in space-constrained position construction, the concrete pump truck of using high rice number no longer is subject to the space constraint restriction;
2, elastic supporting leg jointly controls by combined oil cylinder, flexible from rotary table by moving sets, saved the hinge operation on hinge and rear oscillating support leg after the machinework rotary table, thereby make enterprise need not to purchase the large scale computer Fabricating machinery when producing concrete pump truck, for enterprise saves a large amount of productive costss.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of prior art;
Fig. 2 is the schematic diagram of prior art mode of operation;
Fig. 3 is structural representation of the present invention;
Fig. 4 is the structural representation of X-type supporting leg assembly of the present invention;
Fig. 5 is the structural representation of rotary table of the present invention;
Fig. 6, Fig. 7 and Fig. 8 are the schematic diagram of three kinds of mode of operations of the present invention;
Fig. 9 is the horizontal section schematic diagram of rotary table of the present invention;
Figure 10 is the longitudinal profile schematic diagram of telescopic outrigger of the present invention;
Figure 11 is the horizontal section schematic diagram of telescopic outrigger of the present invention.
The specific embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Referring to Fig. 3～Figure 11, a kind of preferred embodiment with concrete pump truck chassis structure of X supporting leg of the present invention shown in it, this Undercarriage structure 100 is made of X-type supporting leg assembly 200 and rotary table 5, as Fig. 3, Fig. 4 and shown in Figure 5; X-type supporting leg assembly 200 by each two of front and back, amount to four telescopic outrigger I, II, III and IV and consist of, as shown in Figure 4; In the present invention, described X-type supporting leg assembly comprises four to the flexible telescopic outriggers of four direction, wherein two adjacent settings of telescopic outrigger I, II, and be X-type cross with supporting leg III, the IV of the adjacent setting of two other, as shown in Figure 4; Preferably, two telescopic outriggers of described adjacent setting are parallel to each other, and flexible in the opposite direction; Certainly, two telescopic outriggers that also can adjacent setting also can and not parallel.And elastic supporting leg is comprised of two joint Retractive legs respectively, and jointly controls to drive each supporting leg by combined oil cylinder and stretch out or retract to four direction respectively from rotary table 5.
In addition, in the present embodiment, the structure of described X-type supporting leg assembly 200 is that supporting leg I, the II of two adjacent settings is parallel to each other and be positioned at same plane, supporting leg III, the IV of the adjacent setting of the two other same plane that also is positioned at parallel to each other, and, supporting leg I, II are positioned at the below of supporting leg III, IV, as shown in Figure 4; Certainly, to those skilled in the art, four supporting leg I, II, III, IV can lay respectively at different planes in the horizontal, and correspondingly, the structure of rotary table 5 also matches with it; Namely as shown in Figure 5, the height of rotary table 5 matches with the described height dimension that is the telescopic outrigger of X-type cross, make in twos telescopic outrigger III, the IV of telescopic outrigger I, II adjacent one another are and in addition adjacent setting in twos be divided into two groups and be four telescopic outriggers of X-type cross, can be contained in described rotary table 5, as shown in Figure 3.
Referring to Fig. 6, concrete pump truck is under the state of motoring condition or non-pumpdown, and elastic supporting leg is nested in the inside of rotary table 5; As Fig. 5, Fig. 6, Fig. 7, Fig. 8 and shown in Figure 9, described rotary table 5 is provided with the local at least supporting leg case 50 that X-type cross arranges that is, two telescopic outrigger I, II of accommodating adjacent setting or III, IV in each supporting leg case, and be respectively equipped with flexible passage and the opening that matches with described telescopic outrigger in described supporting leg case 50, as shown in Figure 5.Certainly, two of adjacent setting telescopic outriggers also can not share same supporting leg case or not share the interior the same space of supporting leg case.
Front stretching supporting leg one joint leg 3 and rear telescopic outrigger one joint leg 6 are nested in respectively supporting leg case 50 inside in rotary table 5, and and the inner bin of supporting leg case 50 consist of moving sets and (can only relatively move along the x axle between member, this kinematic pair that relatively moves along a direction is called moving sets).Before the concrete pump truck pumping operation, elastic supporting leg is opened.Opening sequence is generally first telescopic outrigger one joint leg 3,6 to be stretched out from supporting leg case 50 inside of rotary table 5, and after treating that a joint leg 3,6 stretches out fully, two joint legs 2,7 stretch out from a joint leg 3,6 inside again, as shown in Figure 8; Certainly, the concrete pump truck chassis structure also can only arrange a joint leg.
Particularly, for left front supporting leg, as Fig. 3, Figure 10 and shown in Figure 11, working process of the present invention is as follows:
Inboard cylinder support 8 is fixed on the inside of rotary table 5 supporting leg casees 50, and middle cylinder support 9 is fixed in the end of front stretching supporting leg one joint leg 3, and outside cylinder support 10 is fixed in the inside of front stretching supporting leg two joint legs 2.Oil circuit between one joint leg oil cylinder 4.1 and two joint leg oil cylinders 4.2 is connected, and is provided with sequence valve on the oil circuit between both.When pressure oil enters joint leg oil cylinder 4.1 rodless cavity, in the cylinder body of next joint leg oil cylinder 4.1 of oil pressure effect outwards move (away from 8 directions of inboard cylinder support); Be mutually permanently connected (being consolidated) because joint leg oil cylinder 4.1 cylinder bodies and two save leg oil cylinder 4.2 cylinder bodies, outwards drag the one synchronous outside motion of joint leg 3 of front stretching supporting leg by middle cylinder support 9 in motion at two cylinder blocks; When joint leg oil cylinder 4.1 cylinder bodies moved to stroke terminal, front stretching supporting leg one joint leg 3 stretched out fully, as shown in Figure 7.when pressure oil continues to enter joint leg oil cylinder 4.1 rodless cavity, cause the action of hydraulic efficiency pressure system sequence valve owing to building the pressure, pressure oil is switched to two joint leg oil cylinder 4.2 rodless cavities, two joint leg oil cylinder 4.2 piston rods protruding (away from the direction of middle cylinder support 9) under the oil pressure effect, because the outside cylinder support 10 of piston rod head by bearing pin and front stretching supporting leg two joint leg 2 inside is connected, therefore in two joint leg 4.2 outwardly directed whiles of piston rod of oil cylinder, two joint legs 2 are synchronous outwards motion also, until two joint leg oil cylinder 4.2 piston rods move to stroke terminal, front stretching supporting leg two joint legs 2 stretch out fully, as shown in Figure 8, complete thus the extend action of Retractive leg, need to prove, the fore and aft motion of the elastic supporting leg of the present invention can be realized by the structure of motor driving sprocket wheel chain (not shown) in prior art.
After the concrete pump truck pumping end of job, the order of shrinking supporting leg is first two joint legs 2 to be retracted to joint leg 3 inside, and then a joint leg 3 is retracted to supporting leg case 50 inside of rotary table 5 again.Detailed process is as being: pressure oil enters two joint leg oil cylinder 4.2 rod chambers, retracts to middle cylinder support 9 directions at oil pressure effect lower piston rod, when middle oil cylinder 4.2 piston rods shrink, drives two joint legs 2 by outside cylinder support 10 and synchronously retracts; When piston rod was contracted to stroke terminal, two joint legs 2 also were retracted to joint leg 3 inside fully.When pressure oil continues to enter two joint leg oil cylinder 4.2 rod chambers, cause the action of hydraulic efficiency pressure system sequence valve owing to building the pressure, pressure oil is switched to joint leg oil cylinder 4.1 rod chambers, in the cylinder support 8 directions retractions to the inside of oil pressure effect lower cylinder body, because joint leg oil cylinder 4.1 cylinder bodies and two save leg oil cylinder 4.2 cylinder bodies be mutually permanently connected (being consolidated in one), in the process that joint leg oil cylinder 4.1 cylinder bodies are retracted, drive by middle cylinder support 9 supporting leg case 50 inside that front stretching supporting leg one joint leg 3 synchronously is retracted to rotary table 5; When joint leg oil cylinder 4.1 cylinder bodies were contracted to stroke terminal, a joint leg 3 was also retracted fully, as shown in Figure 10 and Figure 11, completes thus the retract action of Retractive leg.
Be understood that for those skilled in the art, stretching out and the retraction process of other telescopic outriggers of the present invention, identical with stretching out with retract action of above-mentioned left front supporting leg.
In addition, the present invention also provides a kind of concrete pump truck, and this concrete pump truck comprises the concrete pump truck chassis structure of the above-mentioned X of having supporting leg.
Obviously, those of ordinary skill in the art can with a kind of concrete pump truck chassis structure and concrete pump truck with X supporting leg of the present invention, consist of various types of pump truck underframe and pump truck.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (10)
1. concrete pump truck chassis structure with X supporting leg, comprise X-type supporting leg assembly, the rotary table (5) and the driver train that match with described X-type supporting leg assembly, it is characterized in that: described X-type supporting leg assembly comprises four to the flexible telescopic outrigger of four direction, the wherein adjacent setting of two telescopic outriggers (I, II), and being X-type cross with the supporting leg (III, IV) of the adjacent setting of two other, the height of described rotary table (5) matches with the described height dimension that is the telescopic outrigger of X-type cross.
2. concrete pump truck chassis structure according to claim 1 is characterized in that: described every telescopic outrigger comprises two joint Retractive legs at least.
3. concrete pump truck chassis structure according to claim 2, it is characterized in that: described rotary table (5) is provided with the local at least supporting leg case (50) that X-type cross arranges that is, two telescopic outriggers (I, II or III, IV) of accommodating adjacent setting in each supporting leg case, and be respectively equipped with flexible passage and the opening that matches with described telescopic outrigger in described supporting leg case.
4. concrete pump truck chassis structure according to claim 1, it is characterized in that: two telescopic outriggers of described adjacent setting are parallel to each other, and flexible in the opposite direction.
5. concrete pump truck chassis structure according to claim 2 is characterized in that: described telescopic outrigger comprises being positioned at the telescopic joint leg (3,6) of rotary table (5) and being positioned at a described joint leg telescopic two and saves legs (2,7); And a described joint leg (3,6) all is connected with driver train with two joint legs (2,7).
6. concrete pump truck chassis structure according to claim 5, it is characterized in that: described driver train comprises combination telescopic oil cylinder (4), and described combination telescopic oil cylinder (4) comprises a joint leg oil cylinder (4.1) and the two joint leg oil cylinders (4.2) that are mutually permanently connected.
7. concrete pump truck chassis structure according to claim 6 is characterized in that: the oil circuits between a described joint leg oil cylinder (4.1) and two joint leg oil cylinders (4.2) are connected, and are provided with sequence valve on the oil circuit between both.
8. according to claim 5 or 6 described concrete pump truck chassis structures, it is characterized in that: described Undercarriage structure also comprises the inner inboard cylinder support (8) of supporting leg case (50) that is fixed on rotary table (5), be fixed in middle the cylinder support (9) of telescopic outrigger one joint leg end, and be fixed in two outside cylinder supports (10) that save leg inside.
9. concrete pump truck chassis structure according to claim 8 is characterized in that: the outer ends of described two joint legs also are provided with vertical support oil cylinder (1).
10. concrete pump truck, it is characterized in that: described concrete pump truck comprises the concrete pump truck chassis structure of the described X of the having supporting leg of above-mentioned any one claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104166892A CN103158682A (en) | 2011-12-14 | 2011-12-14 | Chassis structure of concrete pump truck with X-shaped supporting legs and concrete pump truck |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104166892A CN103158682A (en) | 2011-12-14 | 2011-12-14 | Chassis structure of concrete pump truck with X-shaped supporting legs and concrete pump truck |
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| CN103158682A true CN103158682A (en) | 2013-06-19 |
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| CN2011104166892A Pending CN103158682A (en) | 2011-12-14 | 2011-12-14 | Chassis structure of concrete pump truck with X-shaped supporting legs and concrete pump truck |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015198089A1 (en) * | 2014-06-23 | 2015-12-30 | Socage S.R.L. | Support frame |
| CN107269005A (en) * | 2017-06-13 | 2017-10-20 | 青岛吉特重工机械有限公司 | A kind of boom type pump truck telescopic outrigger hydraulic cylinders bearing |
| IT201800001069A1 (en) * | 2018-01-16 | 2019-07-16 | Cifa Spa | MOBILE OPERATING MACHINE |
| CN113582096A (en) * | 2021-07-29 | 2021-11-02 | 江苏徐工工程机械研究院有限公司 | Overhead working truck |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015198089A1 (en) * | 2014-06-23 | 2015-12-30 | Socage S.R.L. | Support frame |
| CN107269005A (en) * | 2017-06-13 | 2017-10-20 | 青岛吉特重工机械有限公司 | A kind of boom type pump truck telescopic outrigger hydraulic cylinders bearing |
| IT201800001069A1 (en) * | 2018-01-16 | 2019-07-16 | Cifa Spa | MOBILE OPERATING MACHINE |
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| CN113582096A (en) * | 2021-07-29 | 2021-11-02 | 江苏徐工工程机械研究院有限公司 | Overhead working truck |
| EP4095084A4 (en) * | 2021-07-29 | 2024-02-28 | Jiangsu XCMG Construction Machinery Research Institute Ltd. | Aerial work platform |
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Owner name: XUZHOU XUGONG SCHWING MACHINERY CO., LTD. Free format text: FORMER OWNER: XCMG CONSTRUCTION MACHINERY CO., LTD. Effective date: 20130802 |
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Effective date of registration: 20130802 Address after: 221004 No. 29, Peach Road, Xuzhou economic and Technological Development Zone, Jiangsu, Xuzhou Applicant after: XCMG Schwing Machinery Co., Ltd. Address before: 221004 No. 19 Peach Road, Xuzhou Economic Development Zone, Jiangsu, China Applicant before: XCMG Construction Machinery Co., Ltd. |
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Application publication date: 20130619 |