CN201872798U - Engineering vehicle and chassis thereof - Google Patents
Engineering vehicle and chassis thereof Download PDFInfo
- Publication number
- CN201872798U CN201872798U CN2010206393162U CN201020639316U CN201872798U CN 201872798 U CN201872798 U CN 201872798U CN 2010206393162 U CN2010206393162 U CN 2010206393162U CN 201020639316 U CN201020639316 U CN 201020639316U CN 201872798 U CN201872798 U CN 201872798U
- Authority
- CN
- China
- Prior art keywords
- chassis
- crossbeam
- crossbeam portion
- engineering truck
- vehicle bridge
- 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 - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/14—Understructures, i.e. chassis frame on which a vehicle body may be mounted of adjustable length or width
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/22—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
Abstract
The utility model discloses a chassis of an engineering vehicle, comprising at least two axles (13) and a crossbeam (11) connected with each axle (13). The crossbeam (11) comprises a first crossbeam part (111) and a second crossbeam part (112) connected with the first crossbeam part (111), and a connecting port between the first crossbeam part (111) and the second crossbeam part (112) is positioned between the two axles (13). The chassis also comprises a retractor device (12) which makes action along the length direction of a vehicle body, the two ends of the retractor device (12) are respectively connected with the first crossbeam part (111) and the second crossbeam part (112), and the second crossbeam part (112) and the first crossbeam part (111) are in slip connection. The chassis has the structure for adjusting the axle distance between the axles (13), and by adopting the structure, the problem of overloading of the axles (13) due to uneven load distribution is solved, the load distribution of each axle (13) is balanced, and the vehicle is ensured to achieve the optimum transportation state. In addition, the utility model also provides the engineering vehicle comprising the chassis.
Description
Technical field
The utility model relates to the engineering truck technical field, particularly a kind of chassis of engineering truck.In addition, the utility model also relates to the engineering truck that comprises above-mentioned chassis.
Background technology
Engineering truck is the bigger construction machinery and equipment of a kind of load-carrying ability, and along with the continuous development of capital construction, the application of engineering truck also more and more widely.
Please refer to Fig. 1, Fig. 1 is the structural representation on a kind of chassis of representative type engineering truck in the prior art.
As shown in Figure 1, a kind of chassis of representative type engineering truck comprises vehicle bridge 1, the auxiliary gear box 3 that connects the both sides corresponding wheel, the crossbeam 4 that connects the transmission shaft 2 of auxiliary gear box 3 and the both sides, chassis of living apart in the prior art; Because of the load-bearing of engineering truck bigger, generally have two above vehicle bridge 1, crossbeam 4 connects each vehicle bridge 1, both together support vehicle bodies, the engine installation of transmission shaft 2 connection engineering trucks is with vehicle bridge 1 or be connected two adjacent vehicle bridge 1, transmits the needed propulsive effort of each vehicle bridge 1 work.
The length of the crossbeam 4 of engineering truck of the prior art is changeless, the distance that is 1 of each vehicle bridge is constant, therefore when engineering truck load-carrying distribution of load is inhomogeneous, the axial load that each vehicle bridge 1 is born also is inequality, the axial load of bearing near the vehicle bridge 1 of load-carrying center of gravity is just relatively big, and the axial load of bearing away from the vehicle bridge 1 of load-carrying center of gravity just compares less.Distribution of load inhomogeneous is easy to occur a kind of situation: during bigger vehicle bridge 1 overload of bearing load, the smaller vehicle bridge 1 of bearing load also has bigger load-bearing surplus capacity, influences the overall load-carrying ability of engineering truck.
The inhomogeneous smooth-ride that not only influences vehicle that engineering truck local load distributes can't make vehicle reach best travelling position, and bigger to its pavement destruction that travels, and can not satisfy the highway code requirement; And, also need its energy cruising under cross-country condition because the operating feature of engineering truck not only requires vehicle to have good travelling on straight road surface.As everyone knows, the pavement conditions of cross-country condition is poor, and vehicle ' is jolted more serious, and the burden that this has just increased the weight of overload vehicle bridge 1 is easy to fracture.
Therefore, how to improve the structure on chassis, solve the excessive problem that overloads of causing of part axle weight, the distribution of load of each vehicle bridge of balance, prolonging the service life of vehicle bridge, and make vehicle reach best travelling position, is the technical matters that those skilled in the art need to be resolved hurrily at present.
The utility model content
The purpose of this utility model aims to provide a kind of chassis, this chassis has the structure of regulating wheelbase between vehicle bridge, has solved the problem because of the uneven part vehicle bridge overload of distribution of load, balance the distribution of load of each vehicle bridge, thereby prolong the service life of vehicle bridge, and make vehicle reach best travelling position.In addition, another purpose of the present utility model aims to provide a kind of engineering truck that comprises above-mentioned chassis.
For solving the problems of the technologies described above, the utility model provides a kind of chassis of engineering truck, comprise at least two vehicle bridge and with each described vehicle bridge bonded assembly crossbeam, described crossbeam comprise the first crossbeam portion and with the described first crossbeam portion bonded assembly second crossbeam portion, and connecting interface between the two is between two described vehicle bridge; Described chassis comprises that also described retractor device two ends connect described first crossbeam portion and the described second crossbeam portion respectively, described second crossbeam portion and the described first crossbeam portion sliding block joint along the retractor device of bodywork length direction action.
Preferably, the described first crossbeam portion inside is provided with chute, and an end of the described second crossbeam portion is nested in the inside of described chute.
Preferably, described retractor device is a telescopic oil cylinder, and the fixed part of described telescopic oil cylinder connects the described first crossbeam portion, and its pars contractilis connects the described second crossbeam portion.
Preferably, described fixed part is connected with the described first crossbeam portion by hinged-support, and described pars contractilis is connected with the described second crossbeam portion by hinged-support.
Preferably, the described second crossbeam portion is nested in the outer wall of part of the described first crossbeam portion and the inwall of described chute is fitted.
Preferably, the transmission shaft on described chassis comprises primary shaft and is nested in second of described primary shaft in-to-in, described second and the slip of described primary shaft.
Preferably, described second is male splines, and described primary shaft is the female splines that cooperates with described male splines.
The utility model also provides a kind of engineering truck, comprise the chassis and with described chassis bonded assembly vehicle body, described chassis is above-mentioned each described chassis.
The chassis of engineering truck provided by the utility model, comprise at least two vehicle bridge and with each described vehicle bridge bonded assembly crossbeam, described crossbeam comprise the first crossbeam portion and with the described first crossbeam portion bonded assembly second crossbeam portion, and connecting interface between the two is between two described vehicle bridge; Described chassis comprises that also described retractor device two ends connect described first crossbeam portion and the described second crossbeam portion respectively, described second crossbeam portion and the described first crossbeam portion sliding block joint along the retractor device of bodywork length direction action.
When the engineering truck load-carrying is inhomogeneous, can rely on staff's the experience or the method for numerical calculation, the bigger vehicle bridge of axial load is born in acquisition, near the retractor device that bears the bigger vehicle bridge of axial load of operation makes it flexible then, promote this vehicle bridge away from the load center of gravity, thereby reduce the axial load on this vehicle bridge, the flexible concrete numerical value of retractor device also can obtain by calculating to check.
The crossbeam of engineering truck is designed to can stretch along the bodywork length direction, make the axial load on the part vehicle bridge to regulate, help the axial force that each vehicle bridge of balance is born, avoid the part vehicle bridge to rupture because of overweight, simultaneously also can make vehicle reach best travelling position, satisfy the highway code requirement.
Description of drawings
Fig. 1 is the structural representation on a kind of chassis of representative type engineering truck in the prior art;
Fig. 2 is a kind of structural representation of the specific embodiment on the chassis of engineering truck provided by the utility model;
Fig. 3 is the front elevation on the chassis of engineering truck shown in Figure 2;
Fig. 4 is a kind of concrete connection mode scheme drawing of the crossbeam on chassis shown in Figure 2;
Fig. 5 is a kind of structural representation of the specific embodiment of transmission shaft on the chassis of engineering truck provided by the utility model.
The specific embodiment
Core of the present utility model aims to provide a kind of chassis, this chassis has the structure of regulating wheelbase between vehicle bridge, has solved the problem because of the uneven part vehicle bridge overload of distribution of load, balance the distribution of load of each vehicle bridge, thereby prolong the service life of vehicle bridge, and make vehicle reach best travelling position.In addition, another core of the present utility model aims to provide a kind of engineering truck that comprises above-mentioned chassis.
In order to make those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2, Fig. 3 and Fig. 4, Fig. 2 provides the structural representation of a kind of specific embodiment in chassis for the utility model; Fig. 3 is the front elevation on the chassis of engineering truck shown in Figure 2; Fig. 4 is a kind of concrete connection mode scheme drawing of the crossbeam on chassis shown in Figure 2.
The chassis of engineering truck is the support of car load, comprise at least two vehicle bridge 13 and crossbeam 11, the load carrying ability of common engineering vehicle is big more, needed vehicle bridge 13 is just many more, each vehicle bridge 13 connects by crossbeam placed on it 11, general crossbeam 11 is done by specific steel, and its shape can be groove shapes.
In a kind of specific embodiment, crossbeam 11 comprises the first crossbeam portion 111 and the second crossbeam portion 112 nested with the first crossbeam portion 111, the second crossbeam portion 112 and the first crossbeam portion 111 can be groove structure, wherein the former can be nested in the latter's inside, and connecting interface between the two is between vehicle bridge 13.
The chassis also is provided with along the retractor device 12 of bodywork length direction action, retractor device 12 two ends connect respectively the first crossbeam portion 111 and 112, the second crossbeam portions 112 of the second crossbeam portion under the effect of retractor device 12 with respect to the bodywork length direction slide relative of the first crossbeam portion 111 along engineering truck.
In sum, can realize that by said structure wheelbase can be regulated between the vehicle bridge on chassis, when the engineering truck load-carrying is inhomogeneous, can rely on staff's the experience or the method for numerical calculation, the bigger vehicle bridge of axial load 13 is born in acquisition, near the retractor devices 12 that bear the bigger vehicle bridge of axial load 13 of operation make it flexible then, promote this vehicle bridge 13 away from the load center of gravity, thereby reduce the axial load on this vehicle bridge 13, the concrete numerical value of retractor device 12 elongations also can obtain by calculating to check.
The crossbeam 11 of engineering truck is designed to can stretch along the bodywork length direction, make the axial load on the part vehicle bridge 13 to regulate, help the axial force that each vehicle bridge 13 of balance is born, avoid part vehicle bridge 13 to rupture because of overweight, simultaneously also can make vehicle reach best travelling position, satisfy the highway code requirement.
It is pointed out that this paper comprises that with the crossbeam 11 of engineering truck two joints (the first crossbeam portion 111 and the second crossbeam portion 112) are example, sets forth scheme of the present utility model.Should be appreciated that crossbeam 11 including, but not limited to two joints, can further include more more piece, as long as can satisfy technique effect of the present utility model.
Further, in the first crossbeam portion, 111 inside chute can be set, the second crossbeam portion 112 is nested in the described chute.
Chute is simple in structure, and the first crossbeam portion 111 and the second crossbeam portion, 112 direct connections, and guidance quality is relatively good, and both move reliably.
Particularly, retractor device 12 can be telescopic oil cylinder, and the fixed part of telescopic oil cylinder connects the described first crossbeam portion 111, and pars contractilis connects the described second crossbeam portion 112.Obviously, the fixed part of telescopic oil cylinder is connected with the second crossbeam portion 112 herein, and pars contractilis is connected also with the first crossbeam portion 111 to be set up.
The telescopic oil cylinder that hydraulic circuit drives does not have the pivoting friction parts, each parts long service life, and simple in structure, operation, and hydraulic operation campaign easily is steady.
The hydraulic oil source that drives oil circuit can be from the propulsion source of the hydraulic control system of engineering truck, and this scheme need not provide extra oil sources, and is simple in structure, and cost is lower.
Particularly, telescopic oil cylinder can be connected with the second crossbeam portion 112 with the first crossbeam portion 111 respectively by hinged-support, can be separately positioned on the inwall of the inwall of the first crossbeam portion 111 and the second crossbeam portion 112 with the first crossbeam portion 111 and the second crossbeam portion, 112 bonded assembly hinged-supports.The hinged-support link ratio is more convenient, and is convenient to dismounting.
Hinged-support can be a direct connection with being connected of the first crossbeam portion 111 and the second crossbeam portion 112, also can be connected indirectly in the first crossbeam portion 111 and the second crossbeam portion 112 by other devices, only otherwise the work that influences telescopic oil cylinder gets final product.
Further, the second crossbeam portion 112 is nested in the outer wall of part of the described first crossbeam portion 111 and the inwall of described chute is fitted.
The bottom land outer wall of the bottom land inwall of the first crossbeam portion 111 and the second crossbeam portion 112 is fitted, and is convenient to the installing and locating of the two, and the applying of the groove two side of two crossbeam portions, has strengthened the intensity of connecting bridge.
It is pointed out that the relative motion of the second crossbeam portion 112 and the first crossbeam portion 111, can be arranged at the inside of the first crossbeam portion 111, play the guiding role and realize both slide relative by an end of the second crossbeam portion 112; Also can be by the 3rd parts are set, the 3rd parts two ends connect the first crossbeam portion 111 and the second crossbeam portion 112 respectively, play guiding and support by the 3rd parts, realize the slide relative of the second crossbeam portion 112 and the first crossbeam portion 111.
Please refer to Fig. 5, Fig. 5 is a kind of structural representation of the specific embodiment of transmission shaft on the chassis of engineering truck provided by the utility model.
In a kind of specific embodiment, transmission shaft 14 can comprise primary shaft 141 and be nested in above-mentioned primary shaft 141 in-to-ins second 142, so that second 142 along crossbeam 11 length directions in primary shaft 141 slides within, one end of primary shaft 141 can connect propulsion source, and an end of second 142 can connect vehicle bridge 13.
When a certain vehicle bridge 13 bearing loads of engineering truck are bigger, be that vehicle bridge 13 is closer from the load-carrying center of gravity, the retractor device 12 of these vehicle bridge 13 motions of operation control, make its elongation, the first crossbeam portion 111 relative with the second crossbeam portion 112 away from, connect the also slide relative of two parts of the transmission shaft 14 of corresponding vehicle bridge 13, realize the adjusting of vehicle bridge 13 spacings.
Be nested in primary shaft 141 in-to-in structures for second 142, simple in structure under the prerequisite that does not influence transmission shaft 14 transmission power, realize easily, and both guidance quality to be relatively good, slide relative is more steady.
Above-mentioned crossbeam length direction is meant the bodywork length direction.
Particularly, second 142 can be adopted key to be connected with the connection mode of primary shaft 141, and second 142 can be provided with male splines, and primary shaft 141 can be provided with and second 142 female splines that matches, and the concrete quantity of keyway can be set as the case may be.
The spline fitted load-carrying capacity is more intense, and the moment of torsion of transmission is also bigger, and both concentricitys and guidance quality are all relatively good, help transmission shaft 14 two-part stable slips.
Each embodiment of this paper is convenient for statement; and understand easily, when being in non-loading condition with automobile, it is the description that prerequisite is carried out that retractor device 12 is in the shortest stroke; obviously, other designs of retractor device 12 that can realize the beneficial effects of the utility model are also in the protection domain of this paper.
Except above-mentioned chassis, the utility model also provides a kind of engineering truck that comprises above-mentioned chassis, because above-mentioned chassis has above-mentioned technique effect, the engineering truck with above-mentioned chassis also should have the corresponding techniques effect.The structure of other each several parts of above-mentioned engineering truck please refer to prior art, and this paper repeats no more.
More than engineering truck provided by the utility model and chassis thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.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, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. the chassis of an engineering truck, comprise at least two vehicle bridge (13) and with each described vehicle bridge (13) bonded assembly crossbeam (11), it is characterized in that, described crossbeam (11) comprise the first crossbeam portion (111) and with described first crossbeam portion (111) the bonded assembly second crossbeam portion (112), and the connecting interface of described first crossbeam portion and the described second crossbeam portion is positioned between the two described vehicle bridge (13); Described chassis also comprises along the retractor device (12) of the bodywork length direction action of described engineering truck, the two ends of described retractor device (12) are connected with the described second crossbeam portion (112) with the described first crossbeam portion (111) respectively, described second crossbeam portion (112) and described first crossbeam portion (111) sliding block joint.
2. the chassis of engineering truck as claimed in claim 1 is characterized in that, the inside of the described first crossbeam portion (111) is provided with chute, and an end of the described second crossbeam portion (112) is nested in the inside of described chute.
3. the chassis of engineering truck as claimed in claim 2 is characterized in that, described retractor device (12) is a telescopic oil cylinder, and the fixed part of described telescopic oil cylinder is connected with the described first crossbeam portion (111), and its pars contractilis is connected with the described second crossbeam portion (112).
4. the chassis of engineering truck as claimed in claim 3 is characterized in that, described fixed part is connected with the described first crossbeam portion (111) by hinged-support, and described pars contractilis is connected with the described second crossbeam portion (112) by hinged-support.
5. the chassis of engineering truck as claimed in claim 4 is characterized in that, the described second crossbeam portion (112) is nested in the outer wall of part of the described first crossbeam portion (111) and the inwall of described chute fits.
6. as the chassis of each described engineering truck of claim 1 to 5, it is characterized in that, its transmission shaft (14) comprises primary shaft (141) and is nested in second of in-to-in of described primary shaft (141) (142), described second (142) and described primary shaft (141) sliding block joint.
7. the chassis of engineering truck as claimed in claim 6 is characterized in that, described second (142) are male splines, and described primary shaft (141) is the female splines that cooperates with described male splines.
8. engineering truck, comprise the chassis and with described chassis bonded assembly vehicle body, it is characterized in that described chassis is as each described chassis of claim 1 to 7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206393162U CN201872798U (en) | 2010-12-02 | 2010-12-02 | Engineering vehicle and chassis thereof |
| PCT/CN2011/076291 WO2012071885A1 (en) | 2010-12-02 | 2011-06-24 | Engineering vehicle and chassis thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206393162U CN201872798U (en) | 2010-12-02 | 2010-12-02 | Engineering vehicle and chassis thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201872798U true CN201872798U (en) | 2011-06-22 |
Family
ID=44160729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206393162U Expired - Fee Related CN201872798U (en) | 2010-12-02 | 2010-12-02 | Engineering vehicle and chassis thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201872798U (en) |
| WO (1) | WO2012071885A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012071885A1 (en) * | 2010-12-02 | 2012-06-07 | 湖南三一智能控制设备有限公司 | Engineering vehicle and chassis thereof |
| CN113306630A (en) * | 2021-06-29 | 2021-08-27 | 徐工集团工程机械股份有限公司建设机械分公司 | Transport vehicle and petroleum pipeline construction equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3150428B1 (en) * | 2015-09-30 | 2019-12-11 | Sami Kuvvetli | Transport vehicle for motor vehicles with variable transport surface and method for loading such a transport vehicle |
| CN112061011A (en) * | 2020-09-09 | 2020-12-11 | 江苏谷登工程机械装备有限公司 | Splitting and transporting method for ultra-heavy drilling machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3802716A (en) * | 1972-08-21 | 1974-04-09 | W Wiers | Versatile towing vehicle having an adjustable wheel base |
| CN2597299Y (en) * | 2002-11-20 | 2004-01-07 | 刘惠山 | Vehicle frame |
| DE102006042771B4 (en) * | 2006-09-12 | 2014-01-16 | Kögel Trailer GmbH & Co. KG | Vehicle frame and method for producing such a vehicle frame |
| US8298093B2 (en) * | 2007-10-15 | 2012-10-30 | Deok Chang Machinery Co., Ltd. | Telescopic shaft for vehicle |
| CN201151426Y (en) * | 2007-12-11 | 2008-11-19 | 凯迈（洛阳）测控有限公司 | Vehicle body with variable wheelbase |
| CN201872798U (en) * | 2010-12-02 | 2011-06-22 | 三一重工股份有限公司 | Engineering vehicle and chassis thereof |
-
2010
- 2010-12-02 CN CN2010206393162U patent/CN201872798U/en not_active Expired - Fee Related
-
2011
- 2011-06-24 WO PCT/CN2011/076291 patent/WO2012071885A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012071885A1 (en) * | 2010-12-02 | 2012-06-07 | 湖南三一智能控制设备有限公司 | Engineering vehicle and chassis thereof |
| CN113306630A (en) * | 2021-06-29 | 2021-08-27 | 徐工集团工程机械股份有限公司建设机械分公司 | Transport vehicle and petroleum pipeline construction equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012071885A1 (en) | 2012-06-07 |
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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: 20130506 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130506 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. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20131202 |