CN202582517U - Stroke detection device and concrete pump truck - Google Patents
Stroke detection device and concrete pump truck Download PDFInfo
- Publication number
- CN202582517U CN202582517U CN 201220217465 CN201220217465U CN202582517U CN 202582517 U CN202582517 U CN 202582517U CN 201220217465 CN201220217465 CN 201220217465 CN 201220217465 U CN201220217465 U CN 201220217465U CN 202582517 U CN202582517 U CN 202582517U
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- Prior art keywords
- tooth
- rotating disk
- travel
- tooth components
- position induction
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Abstract
The utility model provides a stroke detection device and a concrete pump truck. The device comprises the following components of: a rotary table capable of rotating movement, wherein the rotary table is wound by a linear component which is connected with an execution component and performs corresponding contraction and release according to the movement of the execution component; a tooth-shaped component comprising a plurality of teeth, wherein the tooth-shaped component is in synchronous rotation with the rotary table; a position sensing device which is fixedly arranged corresponding to the tooth-shaped component and transmits an electrical signal when the tooth-shaped component rotates and a tooth on the tooth-shaped component approaches or contacts with the position sensing device; and a processor which is connected with the position sensing device and calculates the stroke of the execution component according to the electrical signal of the position sensing device. With the stroke detection device and the concrete pump truck provided by the utility model, the stroke of the execution component can be calculated according to the frequency of electrical signal transmission of the position sensing device, and the movement direction of the execution component can be determined. The stroke detection device and the concrete pump truck have the advantages of easiness in implementation, high accuracy, strong stability and the like.
Description
Technical field
The utility model relates generally to observing and controlling and engineering machinery field, particularly a kind of device for detecting distance of travel, and the concrete mixer that comprises the trip pick-up unit.
Background technology
The supporting leg of concrete mixer plays the support pump truck, and makes pump truck keep stable effect.When the stability study that concrete mixer is carried out under the one-sided support situation, the combined with intelligent jib that the stability of pump truck is controlled, to realize good anti-tipping function, the extension elongation of supporting leg is a requisite technical parameter.
If can obtain the real-time collapsing length of supporting leg; Just can draw the line that topples of car load, the combined with intelligent boom system calculates the real-time barycenter trajectory of car load; And the distance of the comparison barycenter trajectory and the line that topples; Just can estimate out the stability of car load, and in time stop pumping vehicle arm rack to move, to guarantee the normal operation of car load towards the hazardous location.
In the prior art, can only carry out the anti-tipping control of one-sided support under the situation that puts in place of supporting leg full extension, certainly will set great limitation to the pump truck Stability Control under any operating mode like this.In addition, the device for detecting distance of travel of prior art also have can not judge elongation still be the action of regaining, install inconvenient, change and safeguard shortcomings such as precision inconvenient, data are wayward.
Along with the increasing demand of working-yard to concrete mixer increases, also increasingly high to performance demands such as its securities.Therefore, how in time also measuring the real-time stroke of supporting leg exactly, so that estimate whole vehicle stability and carry out effective anti-tipping control, is the technical matters that those skilled in the art need to be resolved hurrily.
The utility model content
The utility model aims to provide a kind of device for detecting distance of travel, and this device can detect the real-time stroke of execution unit, and precision that can control data, improves the convenience of installation and maintenance.
The device for detecting distance of travel of the utility model comprises:
The rotating disk of rotatable motion is wound with linear unit on the said rotating disk, and said linear unit connects execution unit and carries out corresponding folding and unfolding according to the motion of said execution unit;
The tooth components that comprises a plurality of teeth, said tooth components and said rotating disk rotate synchronously;
Position induction device, said position induction device fixedly installs with respect to said tooth components, and when said tooth components rotated to tooth on it near to or in contact with said position induction device, this position induction device sent electric signal;
Processor, said processor is connected with said position induction device, and calculates the stroke of said execution unit according to the electric signal of said position induction device.
Further, said position induction device is near switch or travel switch.
Further, said a plurality of teeth are arranged at the outer ring of said tooth components, and said position induction device is arranged at the outside of said outer ring.
Further, said tooth components and said rotating disk are integrally formed, and perhaps the inner ring of said tooth components is sleeved on the said rotating disk, are spirally connected between said tooth components and the said rotating disk.
Further, said linear unit is regained by the scroll spring that is connected with said rotating disk.
Further, said a plurality of teeth are arranged at the inner ring of said tooth components, and said position induction device is arranged at the inboard of said inner ring, connect through link between said tooth components and the said rotating disk.
Further, the tooth on the said tooth components is evenly arranged.
Further, said position induction device is provided with two groups.
Further, said linear unit is for connecting the hydraulic oil pipe of said execution unit.
Another aspect of the utility model also provides a kind of concrete mixer, and this concrete mixer comprises the supporting leg as execution unit, and includes aforesaid device for detecting distance of travel.
The utility model can calculate the stroke of execution unit according to the number of times that position induction device sends electric signal, and can judge the direction of motion of execution unit.Compared with prior art, the utility model installation and maintenance is all more convenient, has advantage easy to implement; And, the utlity model has advantage of high precision, and the number of teeth on tooth components is more for a long time, measurement data is accurate more; In addition; Adopt the concrete mixer of the utility model device for detecting distance of travel; Can calculate the line that topples of car load in real time; Can carry out whole vehicle stability evaluation and anti-tipping control timely and effectively according to comparing the distance of barycenter trajectory, improve the whole vehicle stability ability of supporting leg under arbitrary distance of run with the line that topples.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the device for detecting distance of travel of the utility model one embodiment;
Fig. 2 is the structural representation of the device for detecting distance of travel of another embodiment of the utility model;
Fig. 3 is the structural representation of rotating disk embodiment illustrated in fig. 2;
Fig. 4 is the structural representation of tooth components embodiment illustrated in fig. 2;
Fig. 5 is the structural representation of the device for detecting distance of travel of the another embodiment of the utility model.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Shown in Figure 1 is the structural representation of the device for detecting distance of travel of the utility model one embodiment.Parts such as rotating disk 1, tooth components 2, position induction device 3 have been shown among this figure.The rotating disk 1 rotatable motion of the utility model, and be wound with linear unit above that, linear unit connects execution unit and carries out corresponding folding and unfolding according to the motion of execution unit.
This execution unit can be the parts such as telescopic outrigger like concrete mixer, and when supporting leg stretched out, linear unit can be emitted on rotating disk 1, correspondingly drove rotating disk 1 and rotated with first direction; When supporting leg was withdrawn, linear unit can be regained on rotating disk 1, and correspondingly rotating disk 1 is with the second direction motion opposite with first direction.Linear unit can be regained by the scroll spring that is connected with rotating disk 1, also can adopt other resetting-mechanism (like the drive unit of special use) to guarantee its withdrawal.The linear unit of the utility model can be the wire rope that two ends connect execution unit and rotating disk 1 respectively, also can be the hydraulic oil pipe (like duplex sebific duct or three sebific ducts as fluid pressure line) that connects execution unit, and the utility model is not limited to this.
The tooth components 2 of the utility model comprises a plurality of teeth, and this tooth components 2 is rotated with rotating disk 1 synchronously.Tooth components 2 specifically can realize rotating synchronously with rotating disk 1 through the mode that is fixed on the rotating disk 1, also can rotate synchronously through mode and the rotating disk 1 that drive disk assembly (transmission gear, driving-chain etc.) is set between tooth components 2 and rotating disk 1.When tooth components 2 is fixed on 1 last time of rotating disk, can integrally formed (shown in Figure 1) between them, also can adopt the modes such as (shown in Figure 2), welding that are spirally connected to be fixedly connected.In addition, the tooth on the preferred tooth components 2 is evenly arranged.Tooth components 2 can be for comprising the ring texture of inner ring and outer ring, and said a plurality of teeth both can be arranged at the outer ring (as depicted in figs. 1 and 2) of tooth components 2, also can be arranged at the inner ring (as shown in Figure 5) of tooth components 2.
The position induction device 3 of the utility model fixedly installs with respect to tooth components 2, and tooth components 2 is for what rotate, and position induction device 3 is fixing.And when tooth components 2 rotated to the near or contact position induction installation 3 of toe joint on it, this position induction device 3 sent electric signal.Can have multiple relativeness between position induction device 3 of the utility model and the tooth components 2.In embodiment illustrated in figures 1 and 2, position induction device 3 is arranged at the outside of the outer ring of tooth components 2.In the embodiment shown in fig. 5, position induction device 3 is arranged at the inboard of the inner ring of tooth components 2.
This position induction device 3 can be polytype position transducer, if its two parts contacts or near the time convert mechanical signal into electric signal, promptly can realize the technique effect of the utility model.Optimum position induction installation 3 is near switch or travel switch, more preferably is near switch.In addition, position induction device 3 is provided with can have two groups, according to two groups of position induction devices the electric signal logic control relation, can judge the direction of motion of execution unit, stretch out or shrink such as the supporting leg action that can judge concrete mixer.
In addition, the utility model also comprises processor (not shown), and processor is connected with position induction device 3, and calculates the stroke of execution unit according to the electric signal of position induction device 3.When tooth components 2 rotates to wherein any toe joint closely near switch or contacting travel switch, can trigger this and get near switch or travel switch.Processor can gather the number of times of electric signal, and and then according to the number of times of electric signal calculates stroke.Suppose that the number of teeth on the tooth components 2 is n, rotating disk 1 girth is s, and when then whenever sensing a signal, the execution unit movement length is the * s of current length+(1/n).Therefore, the utility model can accurately be measured the stroke of execution unit, and the number of teeth n on tooth components 2 more for a long time, and measurement data is accurate more.
Further; Radius to the linear unit of reeling on the rotating disk 1 is different; Can confirm the length of each astragal property parts on the rotating disk 1; And according to the number of times of electric signal, can draw the number of turns or angular displacement that rotating disk 1 is changeed, the stroke that the number of turns of being changeed in conjunction with the length and the rotating disk 1 of each astragal property parts or angular displacement can accurately calculate execution unit.
Fig. 2 is the structural representation of the device for detecting distance of travel of another embodiment of the utility model.Different with Fig. 1 is, tooth components 2 is not integrally formed with rotating disk 1, but the inner ring of tooth components 2 is sleeved on the rotating disk 1, is spirally connected between tooth components 2 and the rotating disk 1.On rotating disk shown in Figure 31 and tooth components 2 shown in Figure 4, be respectively arranged with fixed orifice 10, at least one be a screw in these two fixed orifices 10, in screw, can penetrate bolt or screw with fixedly tooth components 2 and rotating disk 1.
Fig. 5 is the structural representation of the device for detecting distance of travel of the another embodiment of the utility model.Different with Fig. 1 and Fig. 2 is, said a plurality of teeth are arranged at the inner ring of tooth components 2, and position induction device 3 is arranged at the inboard of inner ring, connects through link 4 between tooth components 2 and the rotating disk 1.This link 4 can be a connecting link, and can fix through nut in its end.
Except aforementioned device for detecting distance of travel; The utility model also provides a kind of concrete mixer; This concrete mixer comprises the supporting leg as execution unit, also includes aforesaid device for detecting distance of travel, when device for detecting distance of travel is specifically installed; Rotating disk is arranged on the fixedly capstan head of pump truck, and an end of linear unit is connected with supporting leg.When the supporting leg expanding-contracting action, can drive linear unit and carry out corresponding folding and unfolding, device for detecting distance of travel can detect the real-time collapsing length that draws supporting leg.Other structure of this concrete mixer is with reference to prior art, and this paper repeats no more at this.
In sum, the utility model can calculate the stroke of execution unit according to the number of times that position induction device 3 sends electric signal, and can judge the direction of motion of execution unit.Compared with prior art, the utlity model has following advantage:
1) easy to implement
The installation and maintenance of the utility model installation rotating disk 1, tooth components 2 and position induction device 3 is all more convenient, has advantage easy to implement.
2) precision is high
The utility model can accurately be measured the stroke of execution unit, and the number of teeth on tooth components 2 more for a long time, and measurement data is accurate more.
3) good stability
Adopt the concrete mixer of the utility model device for detecting distance of travel; Can calculate the line that topples of car load in real time; Can be according to comparing the distance of barycenter trajectory with the line that topples; Carry out whole vehicle stability evaluation and anti-tipping control timely and effectively, improved the whole vehicle stability ability of supporting leg under arbitrary distance of run.
Therefore, the beneficial effect of the utility model is conspicuous.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. a device for detecting distance of travel is characterized in that, comprising:
The rotating disk of rotatable motion (1), said rotating disk is wound with linear unit on (1), and said linear unit connects execution unit and carries out corresponding folding and unfolding according to the motion of said execution unit;
The tooth components (2) that comprises a plurality of teeth, said tooth components (2) and said rotating disk (1) rotation synchronously;
Position induction device (3); Said position induction device (3) fixedly installs with respect to said tooth components (2); And when said tooth components (2) rotated to tooth on it near to or in contact with said position induction device (3), this position induction device (3) sent electric signal;
Processor, said processor is connected with said position induction device (3), and calculates the stroke of said execution unit according to the electric signal of said position induction device (3).
2. device for detecting distance of travel according to claim 1 is characterized in that, said position induction device (3) is near switch or travel switch.
3. device for detecting distance of travel according to claim 1 is characterized in that said a plurality of teeth are arranged at the outer ring of said tooth components (2), and said position induction device (3) is arranged at the outside of said outer ring.
4. device for detecting distance of travel according to claim 3; It is characterized in that; Said tooth components (2) and said rotating disk (1) are integrally formed, and the inner ring of perhaps said tooth components (2) is sleeved on the said rotating disk (1), are spirally connected between said tooth components (2) and the said rotating disk (1).
5. device for detecting distance of travel according to claim 1 is characterized in that, said linear unit is regained by the scroll spring that is connected with said rotating disk (1).
6. device for detecting distance of travel according to claim 1; It is characterized in that; Said a plurality of tooth is arranged at the inner ring of said tooth components (2); Said position induction device (3) is arranged at the inboard of said inner ring, connects through link (4) between said tooth components (2) and the said rotating disk (1).
7. according to each described device for detecting distance of travel of claim 1-6, it is characterized in that the tooth on the said tooth components (2) is evenly arranged.
8. according to each described device for detecting distance of travel of claim 1-6, it is characterized in that said position induction device (3) is provided with two groups.
9. according to each described device for detecting distance of travel of claim 1-6, it is characterized in that said linear unit is for connecting the hydraulic oil pipe of said execution unit.
10. a concrete mixer comprises the supporting leg as execution unit, it is characterized in that, also includes each described device for detecting distance of travel of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217465 CN202582517U (en) | 2012-05-15 | 2012-05-15 | Stroke detection device and concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217465 CN202582517U (en) | 2012-05-15 | 2012-05-15 | Stroke detection device and concrete pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202582517U true CN202582517U (en) | 2012-12-05 |
Family
ID=47251920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220217465 Expired - Lifetime CN202582517U (en) | 2012-05-15 | 2012-05-15 | Stroke detection device and concrete pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202582517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487302A (en) * | 2019-07-03 | 2019-11-22 | 上海吉亿电机有限公司 | A kind of high-precision encoder and its mounting structure on traction motor |
-
2012
- 2012-05-15 CN CN 201220217465 patent/CN202582517U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487302A (en) * | 2019-07-03 | 2019-11-22 | 上海吉亿电机有限公司 | A kind of high-precision encoder and its mounting structure on traction motor |
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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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |