CN202969955U - Concrete pump truck with three-bridge chassis and folding arm frame as long as 46 meters - Google Patents
Concrete pump truck with three-bridge chassis and folding arm frame as long as 46 meters Download PDFInfo
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- CN202969955U CN202969955U CN 201220697501 CN201220697501U CN202969955U CN 202969955 U CN202969955 U CN 202969955U CN 201220697501 CN201220697501 CN 201220697501 CN 201220697501 U CN201220697501 U CN 201220697501U CN 202969955 U CN202969955 U CN 202969955U
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- jib
- arm frame
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- concrete pump
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Abstract
The utility model provides a concrete pump truck with a three-bridge chassis and a folding arm frame as long as 46 meters. The concrete pump truck with the three-bridge chassis and the folding arm frame as long as 46 meters comprises a chassis, a base frame outrigger assembly, an arm frame system and a rotating mechanism. The arm frame system comprises a rotary table, an arm frame, a cylinder, a connecting rod, an arm frame conveying pipe and a hose support. An upper portion of the rotary table is hinged with the arm frame through a connecting sleeve, and a lower portion of the rotary table is connected with the rotating mechanism. The chassis is a three-bridge chassis, and a joint of the rotary table and the arm frame system deviates from a rotating center of the rotating mechanism by 500mm-1000mm. The arm frame system includes five arm frames which are hinged with one another in sequence, and the five arm frames are taken as supports of the folding arm frame. The concrete pump truck with the three-bridge chassis and the folding arm frame as long as 46 meters has the advantages that the folded pump truck meets the conditions of road driving under the condition that the three-bridge chassis is unchanged, conveying distance of the concrete is increased as far as possible when the arm frame is opened, turning radius of the pump is little, and outriggers of the pump truck can be opened rapidly in a crowded construction site.
Description
Technical field
The utility model relates to a kind of concrete mixer, particularly discloses 46 meters foldable arm rack concrete pump trucks of a kind of three bridge.
Background technology
Along with the lasting steady development of global economy, the quickening of especially domestic Urbanization Construction paces, for the development of concrete pumping machinery provides excellent opportunity, under this environment, the concrete mixer rapid technological improvement, product also is gradually improved.At present, longer distributing arm support is one of main trend of pump truck development.Yet the increase along with jib length, the weight of complete machine is also increasing, how to guarantee that pump truck in the constant situation in chassis can either satisfy the requirement of road driving condition, can when launching, jib increase as much as possible concrete fed distance again, simultaneously can also make the turning radius of pump truck less, easily enter narrow and small building site, and under crowded building site environment the rapid deployment supporting leg, be industry long-standing puzzles always.
Summary of the invention
The purpose of this utility model is to solve problems of the prior art, provide a kind of in the situation that guarantee that three bridge chassis are constant, alleviate tare, under the assurance folded state, pump truck can satisfy the requirement of road driving condition, can when launching, jib increase as much as possible concrete fed distance again, can also guarantee simultaneously flexibility and the operability of jib, make the turning radius of pump truck less, can easily enter 46 meters foldable arm rack concrete pump trucks of three bridges in narrow and small building site.
the utility model is achieved in that 46 meters foldable arm rack concrete pump trucks of a kind of three bridge, comprise the chassis, underframe supporting leg assembly, boom system, slew gear, pumping system, electrical system, hydraulic system, described boom system comprises turntable, jib, oil cylinder, connecting rod, the jib carrier pipe, flexible pipe supports, the top of described turntable is hinged by adapter sleeve and described jib, the bottom of described turntable is connected with described slew gear by bolt, it is characterized in that: described chassis is three bridge chassis, the junction of described turntable and boom system is with respect to the eccentric 500mm ~ 1000mm of the centre of gyration of slew gear, described boom system comprises 5 joint jibs of hinge successively, described 5 joint jibs are the positive articulated boom of fulcrum.
The rear end of described jib is double-deck web box structure, and the sectional dimension of the front end of described jib is less than the sectional dimension of the rear end of jib, and the top board of the front end of described jib and the thickness of base plate are less than the top board of the rear end of described jib and the thickness of base plate; Described jib web is whole plate web; Be provided with the gusset of vertical and horizontal between the web of described jib.
Described web, top board, base plate all adopt 3 ~ 10mm high strength thin plate.
Described connecting rod is straight connecting rod; Described 5 joint jibs are followed successively by the first jib, the second jib, the 3rd jib, the 4th jib, the 5th jib, and described flexible pipe is supported and fixed on the 4th jib; Described the 5th jib is the box structure that 3 ~ 8mm thin plate consists of.
The front leg strut of described underframe supporting leg assembly is the flexible X-type supporting leg of two-stage, and the rear support leg of described underframe supporting leg assembly is J type oscillating support leg.
Described slew gear comprises pivoting support, rotary reducer, driving gear and duplex transition gear, described driving gear is connected with described rotary reducer, the both sides of described driving gear respectively are provided with a duplex transition gear, and described duplex transition gear is meshed with described pivoting support; Driving gear on described rotary decelerating arbor and duplex transition gear form once and slow down, and speed ratio is 2:1 ~ 3:1, forms secondary speed-reducing between described duplex transition gear and described turntable, and speed ratio is 30:1 ~ 100:1.
The beneficial effects of the utility model are: in the situation that guarantee that three bridge chassis are constant, under the assurance folded state, pump truck can satisfy the requirement of road driving condition, can when launching, jib increase as much as possible concrete fed distance again, make the turning radius of pump truck less, and under crowded building site environment the rapid deployment supporting leg.
Description of drawings
Fig. 1 is the utility model general structure schematic diagram.
Fig. 2 is the utility model jib structure schematic diagram.
Fig. 3 is the plan structure schematic diagram of Fig. 2.
Fig. 4 is the structural representation that the utility model the 4th jib, the 5th jib, jib carrier pipe and flexible pipe support.
Structural representation when Fig. 5 is the utility model front leg strut, rear support leg expansion.
Fig. 6 is the utility model single-unit jib structure schematic diagram.
Fig. 7 is the partial enlarged drawing in A-A cross section in Fig. 6.
Fig. 8 is the partial enlarged drawing in B-B cross section in Fig. 6.
Fig. 9 is the utility model slew gear structural representation.
Figure 10 is the cross-sectional view of C-C in Fig. 9.
Wherein: 1, three bridge chassis; 2, boom system; 3, pumping system; 4, hydraulic system; 5, electrical system; 6, underframe supporting leg assembly; 7, front leg strut; 8, rear support leg; 9, slew gear; 10, turntable; 11, jib; 12, oil cylinder; 13, connecting rod; 14, jib carrier pipe; 15, flexible pipe supports; 16, the first jib; 17, the second jib; 18, the 3rd jib; 19, the 4th jib; 20, the 5th jib; 21, top board; 22, base plate; 23, web; 24, gusset; 25, pivoting support; 26, rotary reducer; 27, driving gear; 28, duplex transition gear.
The specific embodiment
1 ~ Figure 10 with reference to the accompanying drawings, the utility model comprise three bridge chassis 1, boom system 2, pumping system 3, hydraulic system 4, electrical system 5, underframe supporting leg assembly 6, slew gear 9.
Described boom system 2 comprises that turntable 10, jib 11, oil cylinder 12, connecting rod 13, jib carrier pipe 14, flexible pipe support 15.The top of described turntable 10 is hinged by adapter sleeve and described jib 11, and the bottom of described turntable 10 is connected with described slew gear 9 by bolt.The junction of described turntable 10 and jib 11 is with respect to the eccentric 500mm ~ 1000mm of the centre of gyration of slew gear, the quantity of described jib 11 is that 5 joints are followed successively by the first jib 16, the second jib 17, the 3rd jib 18, the 4th jib 19, the 5th jib 20, and described joint jib 11 is 5RZ type jib for the positive articulated boom of fulcrum.The rear end of described jib 11 be double-deck web box structure, as Fig. 7.The sectional dimension of the front end of described jib 11 is less than the sectional dimension of the rear end of jib 11, and the top board 21 of the front end of described jib 11 and the thickness of base plate 22 are less than the top board of the rear end of described jib and the thickness of base plate.Described jib web 23 is whole plate web; Be provided with the gusset 24 of vertical and horizontal between the web 23 of described jib, as Fig. 8.Described web 23, top board 21, base plate 22 all adopt 3 ~ 10mm high strength thin plate.Described connecting rod 13 is straight connecting rod; Described flexible pipe supports 15 and is fixed on the 4th jib 19; Described the 5th jib 20 is the box structure that 3 ~ 8mm thin plate consists of.The front leg strut 7 of described underframe supporting leg assembly 6 is the flexible X-type supporting leg of two-stage, and the rear support leg 8 of described underframe supporting leg assembly 6 is J type oscillating support leg.Described slew gear 9 comprises pivoting support 25, rotary reducer 26, driving gear 27 and duplex transition gear 28, described driving gear 27 is connected with described rotary reducer 26, the both sides of described driving gear 27 respectively are provided with a duplex transition gear 28, and described duplex transition gear 28 is meshed with described pivoting support 25; Driving gear 27 on described rotary reducer 26 axles forms once with duplex transition gear 28 and slows down, and speed ratio is 2:1 ~ 3:1, forms secondary speed-reducing between described duplex transition gear 28 and described turntable 10, and speed ratio is 30:1 ~ 100:1.
The utility model considers the factors such as complete vehicle weight distribution and reasonable distribution axle load, accomplishes to alleviate upper dress weight as far as possible, analyzes by repeatedly optimizing simultaneously, guarantees that jib and capstan head have enough Rigidity and strengths, thereby makes its jib vertical height reach 46m.The utility model adopts Japanese import Isuzu Motors three bridge chassis, and in conjunction with 5RZ type five joint jib structures, the arm support folding mode is the RZ type, wherein the first jib 16, the second jib 17, the 3rd jib 18 folding modes are the R type, the folding mode of the 4th jib 19, the 5th jib 20 is Z-type, this jib structure is compact conformation not only, and jib is being opened and is being swift in motion when folding.Three bridge chassis 1 connect subframe on it by bolt, and welding of underframe is on subframe, and the jib assembly is bolted on underframe supporting leg assembly 6, and the relative motion of jib 11 and underframe supporting leg assembly 6 realizes by pivoting support 25.Described turntable 10 mainly bears jib load, can rotate in horizontal plane with jib 11 simultaneously.The utility model is mainly realized expansion and the gathering of jib 11 by the motion of oil cylinder 12 drivening rods 13.The connecting rod 13 that jib 11 adopts is all straight connecting rod, and this connecting rod 13 is stressed more even with respect to former curved rod, and stress is lower, and makes more conveniently, more easily arranges.Due to three bridge chassis 1 length restriction the layout of jib 11 length directions, in order to realize arranging the 46m jib and meet national standard on three bridge chassis 1, therefore turntable 10 adopts eccentric design.When jib 11 launches, make turntable 10 oil cylinder rodless cavity oil-feeds by hydraulic system 4, the rod chamber oil return launches oil cylinder pushing the first jib 16; When the second jib 17 launches, the oil cylinder rodless cavity oil-feed of the first jib, the rod chamber oil return makes 13 motions of oil cylinder pushing connecting rod, the second jib 17 is launched, the 3rd jib 18, same the second jib 17 of the 5th jib 20 spreading principles, when the 4th jib 19 launches, the cylinder rod chamber oil-feed of the 3rd jib 18, the rodless cavity oil return makes oil cylinder pull connecting rod 13 motions, and the 4th jib 19 launches.The gathering action of the first jib 16, the second jib 17, the 3rd jib 18, the 4th jib 19, the 5th jib 20 is opposite with launching.
Described jib structure adopts the high strength thin-slab structure, and web and top board, base plate all adopt 3 ~ 10mm high strength thin plate, have both guaranteed rigidity and the stability of jib 11, have alleviated again the weight of jib 11.In order to guarantee the rigidity of jib 11, jib 11 adopts box girder structure, the top board 21 of jib 11, base plate 22 and web 23 have consisted of the box structure of jib 11, are added with vertical and horizontal gusset 24 between the web 23 of jib 11, have guaranteed stability and the rigidity of jib 11.In the rear end of jib, jib 11 adopts double-deck web box structure, has improved the strength and stiffness of jib.At stressed less jib front end, the sectional dimension of jib and top board, base plate thickness all reduce than the rear end, and in Fig. 6, the left end of jib 11 is the rear end, and right-hand member is front end.Jib web 23 adopts whole plated constructions, the weld defect that has not only reduced weld seam but also avoided bringing to jib because of the butt weld quality.Realized the jib structure lightweight, stress is low, and the structure crack failure rate is low is reliable and stable.For weight reduction, the utility model the 5th jib 20 through optimizing adopts domestic 3 ~ 8mmHG70 steel plate thin plate box-structure, has both guaranteed jib slightly and rigidity, has alleviated again weight, has saved cost.The utility model also is put in the flexible pipe support 15 of jib on the 4th jib 19, has reduced the overall weight of the 5th jib 20, and the center of gravity of whole boom system 2 is moved forward greatly, and the stability of car load is further optimized.Front leg strut 7 of the present utility model replaces existing swing supporting leg for the flexible front leg strut of X-type two-stage, rear support leg 8 swing rear support leg for the J type, and is larger due to swing type supporting leg occupation of land space, is not easy at narrow site construction.The double walled floor box-shaped gradual change girder construction that adopts the utility model rear support leg 8 had both improved the rigidity of supporting leg, had reduced again the weight of supporting leg.
Claims (6)
1. 46 meters foldable arm rack concrete pump trucks of a bridge, comprise the chassis, underframe supporting leg assembly, boom system, slew gear, pumping system, electrical system, hydraulic system, described boom system comprises turntable, jib, oil cylinder, connecting rod, the jib carrier pipe, flexible pipe supports, the top of described turntable is hinged by adapter sleeve and described jib, the bottom of described turntable is connected with described slew gear by bolt, it is characterized in that: described chassis is three bridge chassis, the junction of described turntable and jib is with respect to the eccentric 500mm ~ 1000mm of the centre of gyration of slew gear, described boom system comprises 5 joint jibs of hinge successively, described 5 joint jibs are the positive articulated boom of fulcrum.
2. 46 meters foldable arm rack concrete pump trucks of a kind of three bridge according to claim 1, it is characterized in that: the rear end of described jib is double-deck web box structure, the sectional dimension of the front end of described jib is less than the sectional dimension of the rear end of jib, and the top board of the front end of described jib and the thickness of base plate are less than the top board of the rear end of described jib and the thickness of base plate; Described jib web is whole plate web; Be provided with the gusset of vertical and horizontal between the web of described jib.
3. 46 meters foldable arm rack concrete pump trucks of a kind of three bridge according to claim 2, it is characterized in that: described web, top board, base plate all adopt 3 ~ 10mm high strength thin plate.
4. 46 meters foldable arm rack concrete pump trucks of described a kind of three bridge according to claim 1, it is characterized in that: described connecting rod is straight connecting rod; Described 5 joint jibs are followed successively by the first jib, the second jib, the 3rd jib, the 4th jib, the 5th jib, and described flexible pipe is supported and fixed on the 4th jib; Described the 5th jib is the box structure that 3 ~ 8mm thin plate consists of.
5. 46 meters foldable arm rack concrete pump trucks of described a kind of three bridge according to claim 1, it is characterized in that: the front leg strut of described underframe supporting leg assembly is the flexible X-type supporting leg of two-stage, and the rear support leg of described underframe supporting leg assembly is J type oscillating support leg.
6. 46 meters foldable arm rack concrete pump trucks of described a kind of three bridge according to claim 1, it is characterized in that: described slew gear comprises pivoting support, rotary reducer, driving gear and duplex transition gear, described driving gear is connected with described rotary reducer, the both sides of described driving gear respectively are provided with a duplex transition gear, and described duplex transition gear is meshed with described pivoting support; Driving gear on described rotary decelerating arbor and duplex transition gear form once and slow down, and speed ratio is 2:1 ~ 3:1, forms secondary speed-reducing between described duplex transition gear and described turntable, and speed ratio is 30:1 ~ 100:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220697501 CN202969955U (en) | 2012-12-17 | 2012-12-17 | Concrete pump truck with three-bridge chassis and folding arm frame as long as 46 meters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220697501 CN202969955U (en) | 2012-12-17 | 2012-12-17 | Concrete pump truck with three-bridge chassis and folding arm frame as long as 46 meters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202969955U true CN202969955U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220697501 Expired - Fee Related CN202969955U (en) | 2012-12-17 | 2012-12-17 | Concrete pump truck with three-bridge chassis and folding arm frame as long as 46 meters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202969955U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103416121A (en) * | 2013-07-15 | 2013-12-04 | 现代农装株洲联合收割机有限公司 | Double-layer folding method and mechanism and land leveler |
| CN105275211A (en) * | 2015-11-13 | 2016-01-27 | 湖南三一路面机械有限公司 | Pump truck |
| CN110878634A (en) * | 2019-12-10 | 2020-03-13 | 湖南响箭重工科技有限公司 | Auxiliary supporting leg structure of concrete pump truck |
| CN113148699A (en) * | 2021-03-17 | 2021-07-23 | 武汉理工大学 | Cantilever crane type continuous cabin cleaning equipment suitable for port bulk cargo |
-
2012
- 2012-12-17 CN CN 201220697501 patent/CN202969955U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103416121A (en) * | 2013-07-15 | 2013-12-04 | 现代农装株洲联合收割机有限公司 | Double-layer folding method and mechanism and land leveler |
| CN103416121B (en) * | 2013-07-15 | 2016-08-10 | 现代农装株洲联合收割机有限公司 | A kind of double-layer folding method and double-layer folding mechanism thereof and land leveller |
| CN105275211A (en) * | 2015-11-13 | 2016-01-27 | 湖南三一路面机械有限公司 | Pump truck |
| CN110878634A (en) * | 2019-12-10 | 2020-03-13 | 湖南响箭重工科技有限公司 | Auxiliary supporting leg structure of concrete pump truck |
| CN110878634B (en) * | 2019-12-10 | 2022-01-04 | 湖南响箭重工科技有限公司 | Auxiliary supporting leg structure of concrete pump truck |
| CN113148699A (en) * | 2021-03-17 | 2021-07-23 | 武汉理工大学 | Cantilever crane type continuous cabin cleaning equipment suitable for port bulk cargo |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGSU HONGDELI MACHINERY CO., LTD. Assignor: Shanghai Hold Heavy Industry Co., Ltd. Contract record no.: 2014310000098 Denomination of utility model: Concrete pump truck with three-bridge chassis and folding arm frame as long as 46 meters Granted publication date: 20130605 License type: Exclusive License Record date: 20140523 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201201 No. 277 Jinfeng Road, Shanghai, Pudong New Area Patentee after: SHANGHAI HONGDELI HEAVY INDUSTRY CO., LTD. Address before: 201201 No. 277 Jinfeng Road, Shanghai, Pudong New Area Patentee before: Shanghai Hold Heavy Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20181217 |