CN203974936U - Steering axle and concrete spraying trolley comprising same - Google Patents
Steering axle and concrete spraying trolley comprising same Download PDFInfo
- Publication number
- CN203974936U CN203974936U CN201420406140.4U CN201420406140U CN203974936U CN 203974936 U CN203974936 U CN 203974936U CN 201420406140 U CN201420406140 U CN 201420406140U CN 203974936 U CN203974936 U CN 203974936U
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- Prior art keywords
- piston
- steeraxle
- cylinder barrel
- steering
- induction device
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- Expired - Lifetime
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- 238000005507 spraying Methods 0.000 title 1
- 230000006698 induction Effects 0.000 claims description 41
- 238000009434 installation Methods 0.000 claims description 24
- 239000004568 cement Substances 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 12
- 241000826860 Trapezium Species 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model provides a steering axle reaches concrete injection platform truck including this steering axle. The steering axle includes: a steering axle main body; the first hub is connected to the first end of the steering axle main body; the second hub is connected to the second end of the steering axle main body and is arranged opposite to the first hub; the steering oil cylinder comprises a cylinder barrel fixed on the steering axle main body, a piston arranged in the cylinder barrel, a first piston rod connected between the piston and the first hub and a second piston rod connected between the piston and the second hub; the steer axle further includes: and the position sensing device is arranged on the steering oil cylinder and used for sending a signal when the piston is positioned at the middle position of the cylinder barrel in the axis direction. According to the technical scheme of the utility model, can accurate automatic judgement steer axle whether be in the non-state of turning to, need not people's eye observation, improve the precision of judgement, and reduced intensity of labour.
Description
Technical field
The utility model relates to engineering machinery field, in particular to a kind of steeraxle and comprise that the cement concrete of this steeraxle sprays chassis.
Background technology
Cement concrete sprays in chassis, and turning to by steering cylinder of steeraxle undertaken.As shown in Figure 1, the cylinder barrel 41 ' of steering cylinder 4 ' is fixed in steeraxle main body 1 ', the piston 42 ' of steering cylinder 4 ' is built in cylinder barrel 41 ', and piston 42 ' is connected with first wheel 2 ' by first piston bar 43 ', and is connected with the second wheel hub 3 ' by the second piston rod 44 '.Under some specific operations, need to guarantee that steeraxle just can carry out next step operation after getting back to non-steering state locking, and in the prior art, this non-steering state of steeraxle is generally with the naked eye judged by navigating mate, the particularity of judged result relies on the personal experience of navigating mate completely, easily produce error, and increase labour intensity.
Utility model content
The utility model aims to provide a kind of steeraxle and comprises that the cement concrete of this steeraxle sprays chassis, and accurately whether automatic decision steeraxle is in non-steering state, without eye-observation.
To achieve these goals, according to an aspect of the present utility model, provide a kind of steeraxle, having comprised: steeraxle main body; First wheel, first wheel is connected to the first end of steeraxle main body; The second wheel hub, the second wheel hub is connected to the second end of steeraxle main body, and is oppositely arranged with first wheel; And steering cylinder, steering cylinder comprises the cylinder barrel that is fixed in steeraxle main body, be built in piston in cylinder barrel, be connected to the first piston bar between piston and first wheel and be connected to piston and the second wheel hub between the second piston rod; Steeraxle also comprises: position induction device, position induction device is arranged on steering cylinder, sends signal when being positioned at the axis direction midway location of cylinder barrel at piston.
Further, position induction device is arranged on the axis direction midway location of cylinder barrel, the heat treatment of position induction device induction piston, and judge the position of piston in cylinder barrel according to heat treatment, when being positioned at the axis direction midway location of cylinder barrel, sends in piston signal.
Further, piston is the magnetic piston that magnetic material is made; Position induction device is position transduser.
Further, position transduser is arranged on the outside of the cylinder barrel of steering cylinder.
Further, steeraxle also comprises installation portion, and installation portion is fixed on the outside of cylinder barrel, and is positioned at the axis direction midway location of cylinder barrel, and position transduser is arranged on installation portion.
Further, installation portion has mounting hole, and position transduser is fixed in mounting hole, and the signal issuing side of position transduser is stretched out outside mounting hole.
Further, installation portion is trapezium structure, and the cross-sectional plane of trapezium structure reduces gradually along the direction away from cylinder barrel.
According on the other hand of the present utility model, provide a kind of cement concrete to spray chassis, comprise front steering axle, rear steering bridge and controller, rear steering bridge is above-mentioned steeraxle, controller is electrically connected to position induction device, the signal sending for receiving position induction installation, and according to signal locking rear steering bridge.
Application the technical solution of the utility model, setting position induction installation on steering cylinder, position for induction piston, when midway location in cylinder barrel of the piston of steering cylinder, position induction device sends signal automatically, reminds navigating mate or controller, steeraxle has been got back to non-steering state, without navigating mate visual inspection, improve the precision of judgement, and reduced labour intensity.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows according to the schematic diagram of the steeraxle of prior art;
Fig. 2 shows according to the schematic diagram of the steeraxle of embodiment of the present utility model;
Fig. 3 shows the A place enlarged drawing according to Fig. 2;
Fig. 4 shows the schematic diagram that cement concrete sprays the front-wheel steering pattern of chassis;
Fig. 5 shows the schematic diagram that crab row that cement concrete sprays chassis turns to pattern; And
Fig. 6 shows the schematic diagram that turns to pattern that converges that cement concrete sprays chassis.
Description of reference numerals:
1 ', steeraxle main body; 2 ', first wheel; The 3 ', second wheel hub; 4 ', steering cylinder; 41 ', cylinder barrel; 42 ', piston; 43 ', first piston bar; The 44 ', second piston rod; 1, steeraxle main body; 2, first wheel; 3, the second wheel hub; 4, steering cylinder; 41, cylinder barrel; 42, piston; 43, first piston bar; 44, the second piston rod; 5, position transduser; 51, electric wire; 6, installation portion; 7, first connecting rod; 8, second connecting rod; 91, front steering axle; 92, rear steering bridge.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
As shown in Figures 2 and 3, according to embodiment of the present utility model, a kind of steeraxle is provided, has comprised steeraxle main body 1, first wheel 2, the second wheel hub 3, steering cylinder 4 and position induction device, wherein first wheel 2 is connected to the first end of steeraxle main body 1; The second wheel hub 3 is connected to the second end of steeraxle main body 1, and the second wheel hub 3 is oppositely arranged with first wheel 2; Steering cylinder 4 comprises cylinder barrel 41, piston 42, first piston bar 43 and the second piston rod 44, wherein cylinder barrel 41 is fixed in steeraxle main body 1, piston 42 is built in cylinder barrel 41, and can move along the axis direction of cylinder barrel 41, first piston 42 bars are connected between piston 42 and first wheel 2, and the second piston 42 bars are connected between piston 42 and the second wheel hub 3; Position induction device is arranged on oil cylinder, when steeraxle resets, when non-steering state, piston 42 is got back to the axis direction midway location of cylinder barrel 41, and piston 42 is positioned at the meta of cylinder barrel 41, now position induction device sends signal, notification controller or navigating mate steeraxle reset, can be by steeraxle locking, without manual observation, reseting precision is higher, and has reduced labour intensity.
Generally, in order to make turning to of steeraxle more flexible, between first wheel 2 and first piston bar 43, be connected with first connecting rod 7, between the second wheel hub 3 and the second piston rod 44, be connected with second connecting rod 8.
According to a preferred embodiment, between position induction device and piston 42 for Magnetic Induction coordinates, be that piston 42 can transmit magnetic signal to the external world, in piston 42 motion processes, due to and position induction device between distance change, the magnetic of the piston 42 that position induction device senses can change thereupon, and the size by induced magnetism can judge whether piston 42 is positioned at the meta of cylinder barrel 41, and then sends signal to controller.
In order to improve the precision of position induction device judgement, further preferably, position induction device is arranged on the midway location of the axis direction of cylinder barrel 41, when piston 42 moves to the axis direction midway location of cylinder barrel 41, position induction device senses the magnetic of piston 42 and sends signal, steeraxle is resetted more accurate.
Position induction device is preferably position transduser 5, and position transduser 5 is simple in structure, be convenient to install, and accuracy of detection is higher, correspondingly, and the magnetic piston 42 that piston 42 selects magnetic materials to make.What the magnetic material was here selected is current material, and the application does not relate to the improvement to material aspect.Certainly, also can select common piston 42 here, simultaneously in piston 42 outsides, be fixedly installed magnetic block, equally can with position transduser 5 between realize coordinating of Magnetic Induction, or in piston 42 inside, magnetic block is set and also can.When piston 42 motion, while only having the midway location by cylinder barrel 41 axis directions, position transduser 5 just can sense the magnetic of piston 42, judges that thus piston 42 is positioned at the meta of cylinder barrel 41.
For the ease of installing, steering cylinder 4 is not damaged simultaneously, preferably, position transduser 5 is arranged on the outside of cylinder barrel 41.
Because cylinder barrel 41 self does not have the structure for installation site sensor 5, can not self damage cylinder barrel 41 again, so in order to facilitate the installation of position transduser 5, preferably, in cylinder barrel 41 outsides, be fixed with installation portion 6, installation portion 6 is positioned at the midway location of the axis direction of cylinder barrel 41.Installation basis as position transduser 5, preferably, installation portion 6 has mounting hole, can accommodated position sensor 5, during installation, position transduser 5 is fixed in mounting hole, and the signal issuing side of position transduser 5 is stretched out outside mounting hole, make its electric wire 51 can conveniently connect controller.
Preferably, installation portion 6 is the large trapezium structure of the little other end in one end, and wherein one end of cross-sectional plane maximum is connected to the outside of cylinder barrel 41, and the other end reduces gradually along the direction cross-sectional plane away from cylinder barrel 41.This trapezium structure can make installation portion 6 more stably be arranged on cylinder barrel 41, larger cross-sectional plane can stably be fitted with the lateral surface of cylinder barrel 41, prevent from coming off, the other end reducing gradually can not occupy too much space again, alleviates the weight of installation portion 6 integral body simultaneously.
Certainly, here only in the mode of preferred embodiment, describe principle and the structure of the automatic detection of steeraxle reset in detail, but and do not mean that to only have magnetic piston and position transduser 5 these a kind of Magnetic Induction fit systems, in fact, position transduser 5 is a kind of in position induction device just, between position induction device and piston 42, also can select other fit systems to realize the detection to piston 42 positions, for example, in a preferred embodiment, position induction device is the switch that is arranged on cylinder barrel 41 axis direction midways location, when getting back to cylinder barrel 41 midway location, piston 42 touches switch, switch is to controller transmitted signal, this is mechanical type cooperation, or, in a further advantageous embodiment, position induction device is the pressure sensor being arranged in 41 two rodless cavities of cylinder barrel, each pressure sensor detects respectively the oil pressure in the rodless cavity at place, when the oil pressure detecting in two rodless cavities equates, illustrate that piston 42 gets back to the midway location of cylinder barrel 41, this Time Controller is controlled steeraxle locking, or, in the 3rd preferred embodiment, position transduser 5 is for being arranged on the pressure sensor in one of them rodless cavity of cylinder barrel 41, when the oil pressure detecting when pressure sensor reaches predetermined value, illustrate that piston 42 gets back to the midway location of cylinder barrel 41, this Time Controller is controlled steeraxle locking.Above position transduser 5, switch and pressure sensor all belongs to a kind of in position induction device.
In conjunction with referring to Fig. 4 to Fig. 6, the utility model also provides a kind of cement concrete to spray chassis, comprises front steering axle 91, rear steering bridge 92 and controller, and wherein rear steering bridge is 92 aforesaid steeraxles.Usually, cement concrete sprays chassis has front-wheel steering, crab row to turn to and converge and turn to, and can realize only 5.2 meters of minimum turning radiuses.Wherein, under front-wheel steering pattern as shown in Figure 4, rear steering bridge 92 resets, and the piston 42 in its steering cylinder 4 is positioned at the meta of cylinder barrel 41, and front steering axle 91 turns to; Under crab row mode as shown in Figure 5, front steering axle 91 and rear steering bridge 92 all turn to, and steering direction is identical, and front-wheel is identical with trailing wheel direction of tilt; Converging as shown in Figure 6 turns under pattern, and front steering axle 91 and rear steering bridge 92 all turn to, and steering direction is different, and front-wheel is contrary with trailing wheel direction of tilt.
When cement concrete sprays chassis, to be switched to crab row and turn to pattern or converge while turning to pattern, need to first be switched to front-wheel steering pattern, this Time Controller need to judge rear steering bridge 92 reset case, and after rear steering bridge 92 resets by rear steering bridge 92 lockings, could open front-wheel steering pattern, and then be switched to crab row and turn to pattern or converge the pattern that turns to.And when switching front-wheel steering pattern, because whether the position induction device in rear steering bridge 92 can get back to cylinder barrel 41 metas by induction piston 42, and after getting back to cylinder barrel 41 metas, piston 42 sends signal to controller, so controller can be automatically by rear steering bridge 92 lockings after receiving signal, without navigating mate, detect by an unaided eye, improve the particularity that rear steering bridge 92 resets, also reduced labour intensity.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
1,, when steeraxle deflection angle is zero, piston is the midway location of the cylinder barrel by steering cylinder just, now position induction device automatically induction piston position and send signal, make controller automatically by steeraxle locking, without navigating mate visual inspection.
2, the utility model is simple in structure, stable and reliable for performance, only need in existing structure, increase installation portion and position induction device, and cost is lower.
3, the position transduser mounting means in the utility model is comparatively firm, and result of use is better.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a steeraxle, comprising:
Steeraxle main body (1);
First wheel (2), described first wheel (2) is connected to the first end of described steeraxle main body (1);
The second wheel hub (3), described the second wheel hub (3) is connected to the second end of described steeraxle main body (1), and is oppositely arranged with described first wheel (2); And
Steering cylinder (4), described steering cylinder (4) comprises the cylinder barrel (41) that is fixed in described steeraxle main body (1), be built in piston (42) in described cylinder barrel (41), be connected to the first piston bar (43) between described piston (42) and described first wheel (2) and be connected to described piston (42) and described the second wheel hub (3) between the second piston rod (44);
It is characterized in that, described steeraxle also comprises:
Position induction device, it is upper that described position induction device is arranged on described steering cylinder (4), for send signal when described piston (42) is positioned at the axis direction midway location of described cylinder barrel (41).
2. steeraxle according to claim 1, it is characterized in that, described position induction device is arranged on the axis direction midway location of described cylinder barrel (41), described position induction device is responded to the heat treatment of described piston (42), and judge the position of described piston (42) in described cylinder barrel (41) according to described heat treatment, when being positioned at the axis direction midway location of described cylinder barrel (41), sends in described piston (42) described signal.
3. steeraxle according to claim 2, is characterized in that,
The magnetic piston that described piston (42) is made for magnetic material;
Described position induction device is position transduser (5).
4. steeraxle according to claim 3, is characterized in that, described position transduser (5) is arranged on the outside of the described cylinder barrel (41) of described steering cylinder (4).
5. steeraxle according to claim 3, it is characterized in that, described steeraxle also comprises installation portion (6), described installation portion (6) is fixed on the outside of described cylinder barrel (41), and being positioned at the axis direction midway location of described cylinder barrel (41), described position transduser (5) is arranged on described installation portion (6).
6. steeraxle according to claim 5, it is characterized in that, described installation portion (6) has mounting hole, and described position transduser (5) is fixed in described mounting hole, and the signal issuing side of described position transduser (5) is stretched out outside described mounting hole.
7. steeraxle according to claim 5, is characterized in that, described installation portion (6) is trapezium structure, and the cross-sectional plane of described trapezium structure reduces gradually along the direction away from described cylinder barrel (41).
8. a cement concrete sprays chassis, comprise front steering axle, rear steering bridge and controller, it is characterized in that, described rear steering bridge is the steeraxle described in any one in claim 1 to 7, described controller is electrically connected to described position induction device, for receiving the described signal that described position induction device sends, and according to rear steering bridge described in described signal locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406140.4U CN203974936U (en) | 2014-07-22 | 2014-07-22 | Steering axle and concrete spraying trolley comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406140.4U CN203974936U (en) | 2014-07-22 | 2014-07-22 | Steering axle and concrete spraying trolley comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203974936U true CN203974936U (en) | 2014-12-03 |
Family
ID=51972409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420406140.4U Expired - Lifetime CN203974936U (en) | 2014-07-22 | 2014-07-22 | Steering axle and concrete spraying trolley comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203974936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083661A (en) * | 2018-09-19 | 2018-12-25 | 中国铁建重工集团有限公司 | A kind of steering system and method for concrete spraying trolley |
-
2014
- 2014-07-22 CN CN201420406140.4U patent/CN203974936U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083661A (en) * | 2018-09-19 | 2018-12-25 | 中国铁建重工集团有限公司 | A kind of steering system and method for concrete spraying trolley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |