CN201703436U - Truck frame of dragging type concrete pump truck and dragging type concrete pump truck - Google Patents
Truck frame of dragging type concrete pump truck and dragging type concrete pump truck Download PDFInfo
- Publication number
- CN201703436U CN201703436U CN2010201060134U CN201020106013U CN201703436U CN 201703436 U CN201703436 U CN 201703436U CN 2010201060134 U CN2010201060134 U CN 2010201060134U CN 201020106013 U CN201020106013 U CN 201020106013U CN 201703436 U CN201703436 U CN 201703436U
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- concrete pump
- girder
- towed concrete
- supporting leg
- welded
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Abstract
The utility model discloses a truck frame of a dragging type concrete pump truck. A body structure of the truck frame is formed by welding a main beam and a sub beam, wherein fixed support legs made of square steel pipes are welded on the outer side of the main beam, and four side surfaces of the fixed support legs have included angles of 45 degrees with the vertical plane of the main beam. The truck frame can effectively improve the stability of the whole truck of the dragging type concrete pump truck, can avoid the cracking and breaking phenomena of the truck frame caused by impact or vibration in a long-time work process, and at the same time, the maintenance and care period of hydraulic and electric elements can be effectively prolonged. The utility model also discloses the dragging type concrete pump truck comprising the truck frame of the dragging type concrete pump truck.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to a kind of towed concrete pump vehicle carriage.The utility model also relates to the towed concrete pump car that comprises above-mentioned towed concrete pump vehicle carriage.
Background technology
In recent years, along with the sustainable development of domestic infrastructure construction, the towed concrete pump car has been widely used in the engineering of concrete depositings such as industry and civilian installation.
The towed concrete pump car is that concrete pump is fixed on the special-purpose vehicle frame, be equipped with the construction machinery and equipments that additional device constituted such as delivery pipe and supporting leg again with pump concrete function, be used for transmission and concrete transmission to assigned address, the effect of its supporting leg is to guarantee that the towed concrete pump car has enough safetys and stability at work, promptly guarantees the anti-safety factor of tumbling of pump truck complete machine.
Because the concrete height of towed concrete pump truck pumping is higher, so in the pumping process, the impact load that its hydraulic efficiency pressure system produces is bigger to the impact of car load, can cause car load to produce vibrations, if work long hours, impact or vibrations can cause the vehicle frame cracking, snap the damage with hydraulic pressure or electric elements, so the stability and the intensity of vehicle frame is had very high requirement.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of representative type towed concrete pump vehicle carriage in the prior art.
As shown in the figure, existing towed concrete pump vehicle carriage mainly is made of girder 1-1, auxiliary girder 1-2, preceding bracket 1-3 and fixed supporting leg 1-4, wherein fixed supporting leg 1-4 adopts rectangular steel tube to be made, be welded on the outside of the agent structure that constitutes by girder 1-1 and auxiliary girder 1-2, the plane of fixed supporting leg 1-4 weld side and another relative plane parallel with the perpendicular (being the Z direction) of girder 1-1, and the perpendicular of plane that two other is relative and girder 1-1 is perpendicular.
Please refer to Fig. 2, Fig. 2 is the section rotation scheme drawing of fixed supporting leg shown in Figure 1.
The leg structure form of above-mentioned body frame structure for automotive, fixed supporting leg 1-4 has only a plane (A face or B face) to contact with its in-to-in movable supporting legs 1-5 at directions X in the pumping process, movable supporting legs 1-5 can only produce the antagonistic force of Y direction to fixed supporting leg 1-4, that is to say in the Y direction vehicle frame is fixed, and at directions X, owing to have the gap between fixed supporting leg 1-4 and the movable supporting legs 1-5, under the impact in the pumping process, can produce vibrations at directions X, in the process of working long hours, just make vehicle frame easily because vibrations produce cracking, fault such as snap, influence the service life of vehicle frame, and because the vibrations of vehicle frame also can be to hydraulic pressure, electric elements exerts an influence, and will shorten hydraulic pressure, the cycle of the care and maintenance of electric elements.So it is low to plant body frame structure for automotive intensity, and poor stability.
In addition, in the agent structure of existing towed concrete pump vehicle carriage, members such as its girder 1-1 and auxiliary girder 1-2 and preceding bracket 1-3 all adopt shaped steel (channel-section steel) to be welded, because the structural strength of shaped steel (channel-section steel) is limited, cause the structural strength of vehicle frame and car load lower, be unfavorable for improving the stability of vehicle frame and car load.
In order to reduce vibrations, improve the stability of car load, can solve by the mode that increases pump truck vehicle frame size.But thus, vehicle frame will be compelled to do very heavyly, and the size of supporting leg and a series of members and weight also can strengthen thereupon, thereby the alerting ability of towed concrete pump car operation is caused harmful effect.
Therefore, how to improve the stability of towed concrete pump vehicle carriage and car load, avoid vehicle frame cracking occurring because of impacting or shaking in the working process for a long time, snapping phenomenon, prolonging the care and maintenance cycle of concrete pump truck hydraulic pressure, electric elements simultaneously, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of intensity height, stable strong towed concrete pump vehicle carriage.This vehicle frame can effectively improve the stability of towed concrete pump car car load, avoids vehicle frame cracking occurring because of impacting or shaking in the working process for a long time, snapping phenomenon, can prolong the care and maintenance cycle of hydraulic pressure, electric elements simultaneously effectively.Another purpose of the present utility model provides a kind of towed concrete pump car that comprises above-mentioned towed concrete pump vehicle carriage.
For solving the problems of the technologies described above, the utility model provides a kind of towed concrete pump vehicle carriage, be used for the towed concrete pump car, its agent structure is welded by girder and auxiliary girder, the described girder outside is welded with the fixed supporting leg that adopts rectangular steel tube to make, and four sides of described fixed supporting leg and the perpendicular of described girder are 45 ° of angles.
Preferably, described fixed supporting leg tilts to the girder outside at vertical direction, before two behind fixed supporting leg and two fixed supporting leg be " eight " font respectively and distribute.
Preferably, described girder and auxiliary girder are inside open " U " shape structure of opening, all adopt high strength steel plate to be made.
Preferably, described girder and auxiliary girder are provided with floor and reinforced rib.
Preferably, described girder and auxiliary girder are provided with floor or reinforced rib.
Preferably, further comprise engine mounting bracket and radiator mounting bracket, be welded between the girder by auxiliary girder respectively.
Preferably, further comprise the vehicle bridge mounting bracket, be welded on the below of girder, adopt high strength steel plate to be welded into box-structure.
Preferably, further comprise the preceding bracket that is positioned at the vehicle frame front portion, adopt the strong steel plate of " U " form height to be welded into box-structure, it is big that its cross-sectional plane becomes in the past backward gradually.
Preferably, further comprise the hopper mounting bracket that is positioned at the vehicle frame afterbody, adopt high strength steel plate to be welded into box-structure.
The utility model also provides a kind of towed concrete pump car, is provided with above-mentioned each described towed concrete pump vehicle carriage.
The agent structure of towed concrete pump vehicle carriage provided by the utility model is made of girder and auxiliary girder, its fixed supporting leg is welded on the girder outside, and adopt rectangular steel tube to be made, the perpendicular shape angle at 45 of four sides of described rectangular steel tube and described girder, be equivalent on the version of existing fixed supporting leg, solid welding is fixed again after its line of centers rotates 45 ° with fixed supporting leg.When the version of this fixed supporting leg is carried out pumpdown at the towed concrete pump car, having two faces with its in-to-in movable supporting legs contacts, movable supporting legs can produce the antagonistic force of both direction simultaneously to fixed supporting leg, can be on both direction fixing vehicle frame, so in the concrete pump truck pumping process, can actv. suppress seismism from this both direction, reduce the fatigue damage of vehicle frame, actv. improves vehicle frame stability, thereby make the also actv. raising thereupon of stability of car load, can avoid vehicle frame occurring ftractureing because of impacting or shaking in the working process for a long time, snap phenomenon, can prolong hydraulic pressure effectively simultaneously, the care and maintenance cycle of electric elements.
A kind of preferred embodiment in, described fixed supporting leg tilts to the girder outside at vertical direction, make two preceding fixed supporting legs and two after fixed supporting leg be " eight " font respectively.The outside open version of this fixed supporting leg helps to improve the force-bearing situation of supporting leg, and two contact surfaces of fixed supporting leg and movable supporting legs can effectively be contacted, and avoids shaking, thereby further improves the stability of vehicle frame and car load.
In another preferred embodiment, described girder, auxiliary girder, preceding bracket and various support all adopt high strength steel plate to be made.Because high tensile steel plate is with respect to traditional shaped steel (channel-section steel), has very high yield strength, and toughness, weldability and low-temperature flexibility are also better, therefore adopt high tensile steel plate to make above-mentioned basic component in conjunction with bending technique, can improve the vehicle frame integral intensity to a great extent.
Towed concrete pump car provided by the utility model comprises above-mentioned towed concrete pump vehicle carriage, because above-mentioned towed concrete pump vehicle carriage has above-mentioned technique effect, the towed concrete pump car with this towed concrete pump vehicle carriage also should possess the corresponding techniques effect.
Description of drawings
Fig. 1 is the structural representation of a kind of representative type towed concrete pump vehicle carriage in the prior art;
Fig. 2 is the section rotation scheme drawing of fixed supporting leg shown in Figure 1;
Fig. 3 surveys scheme drawing for the utility model provides the axle of towed concrete pump vehicle carriage;
Fig. 4 is the section rotation scheme drawing of fixed supporting leg shown in Figure 3;
Fig. 5 provides the schematic top plan view of towed concrete pump vehicle carriage for the utility model;
Fig. 6 be towed concrete pump vehicle carriage shown in Figure 5 A to the rotation scheme drawing;
Fig. 7 provides the schematic side view of towed concrete pump vehicle carriage for the utility model.
Pairing parts of numeral number or toponym are as follows among the figure:
1-1. fixed supporting leg 70. vehicle bridge mounting brackets 80. movable supporting legs behind the preceding fixed supporting leg 60-2. of bracket 1-4. fixed supporting leg 1-5. movable supporting legs 10. agent structure 10-1. girder 10-2. auxiliary girders, 20. preceding bracket 30. hopper mounting brackets 40. engine mountings bracket 50. radiator mounting brackets 60. fixed supporting leg 60-1. before the girder 1-2. auxiliary girder 1-3.
The specific embodiment
Core of the present utility model provides a kind of intensity height, stable strong towed concrete pump vehicle carriage.This vehicle frame can effectively improve the stability of towed concrete pump car car load, avoids vehicle frame cracking occurring because of impacting or shaking in the working process for a long time, snapping phenomenon, can prolong the care and maintenance cycle of hydraulic pressure, electric elements simultaneously effectively.Another core of the present utility model provides a kind of towed concrete pump car that comprises above-mentioned towed concrete pump vehicle carriage.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 3, Fig. 5, Fig. 7, Fig. 3 surveys scheme drawing for the utility model provides the axle of towed concrete pump vehicle carriage; Fig. 5 provides the schematic top plan view of towed concrete pump vehicle carriage for the utility model; Fig. 7 provides the schematic side view of towed concrete pump vehicle carriage for the utility model.
As shown in the figure, towed concrete pump vehicle carriage provided by the utility model comprises members such as main body of vehicle frame structure 10, preceding bracket 20, hopper mounting bracket 30, engine mounting bracket 40, radiator mounting bracket 50, fixed supporting leg 60 and vehicle bridge mounting bracket 70.
Because the high tensile steel plate intensity rank is generally more than 300MPa, with respect to traditional shaped steel (channel-section steel), has very high yield strength, and toughness, weldability and low-temperature flexibility are also better, therefore adopt high tensile steel plate to make girder 10-1 and auxiliary girder 10-2, can improve the vehicle frame integral intensity to a great extent in conjunction with bending technique.
For further improving the intensity and the stability of agent structure, can carry out the part by the mode that floor and reinforced rib are set at the main bearing part of girder 10-1 and auxiliary girder 10-2 strengthens, the layout of floor and reinforced rib can be vertical, horizontal or oblique, mainly plays the effect that improves bending resistance, torsion stiffness.
Fixed supporting leg 60 adopts rectangular steel tube to be made, its inner movable supporting legs of installing, when the towed concrete pump turner is done, under the control of hydraulic efficiency pressure system, movable supporting legs can stretch out support downwards on the ground to keep the stable of vehicle body, because the utility model emphasis relates to body frame structure for automotive, therefore movable supporting legs and hydraulic efficiency pressure system are just no longer launched to describe.
As shown in the figure, the fixed supporting leg 60 1 of vehicle frame has four, wherein two are positioned at the girder front end outside, be preceding fixed supporting leg 60-1, two other is positioned at the main beam rear end outside, be back fixed supporting leg 60-2, all fixing by the connecting panel welding, each fixed supporting leg is with the lateral surface (perpendicular) of one bar seamed edge over against girder 10-1 when welding, overlook on the direction, the lateral surface of its four sides and girder 10-1 is 45 ° of angles, is equivalent on the version of existing fixed supporting leg, solid welding is fixed again after its line of centers rotates 45 ° with fixed supporting leg, and other structure remains unchanged basically.
Be understandable that after the arrangement of fixed supporting leg changed, the orientation that is sleeved on its in-to-in movable supporting legs also can change thereupon together, promptly the outside of four of movable supporting legs sides and girder also is 45 ° of angles.
Please refer to Fig. 4, Fig. 4 is the section rotation scheme drawing of fixed supporting leg shown in Figure 3.
When the version of this fixed supporting leg 60 is carried out pumpdown at the towed concrete pump car, have two faces (A and B or C and D with its in-to-in movable supporting legs 80, as Fig. 4) contact, movable supporting legs 80 can produce the antagonistic force of X and Y (as Fig. 4) both direction simultaneously to fixed supporting leg 60, can be on X and Y (as Fig. 4) both direction fixing vehicle frame, so in towed concrete pump truck pumping process, the seismism that can actv. suppresses X and Y (as Fig. 4), reduce the fatigue damage of vehicle frame, actv. improves stability, so the stability of car load is actv. improve thereupon also, can avoid vehicle frame occurring ftractureing because of impacting or shaking in the working process for a long time, snap phenomenon, can prolong hydraulic pressure effectively simultaneously, the care and maintenance cycle of electric elements.
Please refer to Fig. 6, Fig. 6 be towed concrete pump vehicle carriage shown in Figure 5 A to the rotation scheme drawing.
Four fixed supporting legs 60 of vehicle frame tilt to the girder outside at vertical direction, and the upper surface and the lower surface that still keep level after inclination, before two behind fixed supporting leg 60-1 and two fixed supporting leg 60-2 be " eight " font respectively.The outside open version of this fixed supporting leg helps to improve the force-bearing situation of supporting leg, and two contact surfaces of fixed supporting leg and movable supporting legs can effectively be contacted, and avoids shaking, thereby further improves the stability of vehicle frame and car load.
As mentioned above, because the high tensile steel plate intensity rank is generally more than 300MPa, with respect to traditional shaped steel (channel-section steel), has very high yield strength, and toughness, weldability and low-temperature flexibility are also better, therefore basic components such as bracket 20, hopper mounting bracket 30, engine mounting bracket 40, radiator mounting bracket 50 and vehicle bridge mounting bracket 70 can improve the vehicle frame integral intensity to a great extent before adopting high tensile steel plate to make in conjunction with bending, welding process.
In addition, be main because whole vehicle frame connects with welding, can carry out stress relieving to vehicle frame in case of necessity and handle, to eliminate welding stress, improve the stability of vehicle frame.
Except above-mentioned towed concrete pump vehicle carriage, the utility model also provides a kind of towed concrete pump car that comprises above-mentioned towed concrete pump vehicle carriage, and the structure of these other each several parts of towed concrete pump car please refer to prior art, and this paper repeats no more.
More than towed concrete pump vehicle carriage provided by the utility model and towed concrete pump car 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 core concept of the present utility model.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. towed concrete pump vehicle carriage, its agent structure is welded by girder and auxiliary girder, the described girder outside is welded with the fixed supporting leg that adopts rectangular steel tube to make, and it is characterized in that four sides of described fixed supporting leg and the perpendicular of described girder are 45 ° of angles.
2. towed concrete pump vehicle carriage according to claim 1 is characterized in that, described fixed supporting leg tilts to the girder outside at vertical direction, before two behind fixed supporting leg and two fixed supporting leg be " eight " font respectively and distribute.
3. towed concrete pump vehicle carriage according to claim 2 is characterized in that, described girder and auxiliary girder are inside open " U " shape structure of opening, all adopt high strength steel plate to be made.
4. towed concrete pump vehicle carriage according to claim 3 is characterized in that described girder and auxiliary girder are provided with floor and reinforced rib.
5. towed concrete pump vehicle carriage according to claim 3 is characterized in that described girder and auxiliary girder are provided with floor or reinforced rib
6. according to claim 4 or 5 described towed concrete pump vehicle carriages, it is characterized in that, further comprise engine mounting bracket and radiator mounting bracket, be welded between the girder by auxiliary girder respectively.
7. according to claim 4 or 5 described towed concrete pump vehicle carriages, it is characterized in that, further comprise the vehicle bridge mounting bracket, be welded on the below of girder, adopt high strength steel plate to be welded into box-structure.
8. according to claim 4 or 5 described towed concrete pump vehicle carriages, it is characterized in that, further comprise the preceding bracket that is positioned at the vehicle frame front portion, adopt the strong steel plate of " U " form height to be welded into box-structure, it is big that its cross-sectional plane becomes in the past backward gradually.
9. according to claim 4 or 5 described towed concrete pump vehicle carriages, it is characterized in that, further comprise the hopper mounting bracket that is positioned at the vehicle frame afterbody, adopt high strength steel plate to be welded into box-structure.
10. a towed concrete pump car is characterized in that, is provided with aforesaid right requirement 1 to 9 arbitrary described towed concrete pump vehicle carriage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201060134U CN201703436U (en) | 2010-01-22 | 2010-01-22 | Truck frame of dragging type concrete pump truck and dragging type concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201060134U CN201703436U (en) | 2010-01-22 | 2010-01-22 | Truck frame of dragging type concrete pump truck and dragging type concrete pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201703436U true CN201703436U (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201060134U Expired - Fee Related CN201703436U (en) | 2010-01-22 | 2010-01-22 | Truck frame of dragging type concrete pump truck and dragging type concrete pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201703436U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556010A (en) * | 2011-12-21 | 2012-07-11 | 中联重科股份有限公司 | Engineering machinery vehicle and landing leg thereof |
| CN102673646A (en) * | 2012-05-18 | 2012-09-19 | 中联重科股份有限公司 | Concrete pumping equipment and frame thereof |
| CN109501780A (en) * | 2018-12-28 | 2019-03-22 | 徐工集团工程机械有限公司 | Leg structure and engineering truck |
-
2010
- 2010-01-22 CN CN2010201060134U patent/CN201703436U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556010A (en) * | 2011-12-21 | 2012-07-11 | 中联重科股份有限公司 | Engineering machinery vehicle and landing leg thereof |
| CN102556010B (en) * | 2011-12-21 | 2015-02-11 | 中联重科股份有限公司 | Engineering machinery vehicle and landing leg thereof |
| CN102673646A (en) * | 2012-05-18 | 2012-09-19 | 中联重科股份有限公司 | Concrete pumping equipment and frame thereof |
| CN109501780A (en) * | 2018-12-28 | 2019-03-22 | 徐工集团工程机械有限公司 | Leg structure and engineering 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: XUZHOU XUGONG SCHWING MACHINERY CO., LTD. Free format text: FORMER OWNER: BUILDING MACHINERY CO., LTD., XCMG CONSTRUCTION MACHINERY CO., LTD. Effective date: 20130424 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130424 Address after: 221004 No. 29, Peach Road, Xuzhou economic and Technological Development Zone, Jiangsu, Xuzhou Patentee after: XCMG Schwing Machinery Co., Ltd. Address before: 221004 No. 19 Peach Road, Xuzhou Economic Development Zone, Jiangsu, China Patentee before: Building Machinery Co., Ltd., XCMG Construction Machinery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20180122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |