CN102418420A - Supporting leg device and supporting leg type engineering machinery - Google Patents
Supporting leg device and supporting leg type engineering machinery Download PDFInfo
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- CN102418420A CN102418420A CN2011102993797A CN201110299379A CN102418420A CN 102418420 A CN102418420 A CN 102418420A CN 2011102993797 A CN2011102993797 A CN 2011102993797A CN 201110299379 A CN201110299379 A CN 201110299379A CN 102418420 A CN102418420 A CN 102418420A
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Abstract
The invention discloses a supporting leg device for supporting leg type engineering machinery. The device comprises supporting legs (1) connected with a vehicle body of the supporting leg type engineering machinery, probe devices which are arranged at the rear ends of supporting leg boxes of the supporting legs (1), and a controller which receives detection signals of the probe devices and can output instructions, wherein the probe devices are used for detecting obstacles in the unfolding or folding directions of the supporting legs (1); and an instruction output end of the controller is electrically connected with a display device so as to ensure that the display device responds correspondingly according to the instructions. The supporting leg device can detect whether the obstacles exist ahead of the supporting legs in movement by the probe devices, so that the probability that the supporting legs collide the obstacles in the movement process of the supporting legs is greatly reduced, the safety of the supporting legs in the unfolding and folding processes is improved, the service life of the supporting legs is prolonged, the work efficiency of the supporting leg type engineering machinery is improved, and the maintenance cost of the machinery is reduced. The invention also discloses the supporting leg type engineering machinery comprising the supporting leg device.
Description
Technical field
The present invention relates to the supporting leg type technical field of engineering machinery, particularly a kind of support leg device of supporting leg type engineering machinery.In addition, the invention still further relates to the supporting leg type engineering machinery that comprises above-mentioned support leg device.
Background technology
Concrete mixer is a kind of typical supporting leg type engineering machinery, alleviates the heavy physical labor of the transmission and concrete transmission of construction site, improves construction speed and operating efficiency.Along with the fast development of economic construction, the supporting leg type concrete mixer that pumpability is strong has been widely used in engineering fields such as highrise building, national defence.
Concrete mixer has pumping and the two kinds of duties of going, the pumping state be meant concrete mixer in the building site duty during delivering concrete, transport condition is meant the duty that concrete mixer goes.With the concrete mixer that is provided with four supporting legs is example; Under the pumping state; Operating personnel at first need be deployed into suitable position in order to supporting car load with the preceding left side of concrete mixer, a left side, back, the preceding right side, right four supporting legs in back through operating corresponding control member, and then with transmission and concrete transmission to the building site assigned address; After pumpdown finishes, switch to transport condition, need draw the supporting leg that launches in initial position, be convenient to go and set out on a journey by the pumping state.
Usually, before pumping construction, because of operating personnel carelessness or receive the adverse effect of surrounding environment, when operating personnel operated the supporting leg action, supporting leg bumped with the people or the thing of surrounding environment in the process of launching or drawing in, can work the mischief to equipment or personnel itself; In addition; When if concrete mixer in the Job Operations space is not the operation of very sufficient place; In the process that the delivery pump jib trails; Because of ambient influnence may let the operator produce some visual dead angles, cause the generation of accident than being easier to because of not good equipment and the surrounding environment obstruction of making of the operating personnel's carelessness or the visual field collides this moment.
Yet; A kind of typical safety detection method is to be installed in the vehicle afterbody to the radar probe in the prior art, only the vehicle afterbody is implemented monitoring, in supporting leg expansion and withdrawal process, can not play the effect that detects obstruction; Cause the supporting leg damaged in collision easily; And because the pump truck job specification, pump truck vehicle afterbody covers through the concrete coagulation piece that regular meeting is pumped omission, and this can influence its result of use or damage system with the monitoring probe covering.
Therefore, how a kind of support leg device is provided, this support leg device has than higher safety in expansion and removal process, is those skilled in the art's problem demanding prompt solutions.
Summary of the invention
The object of the invention aims to provide a kind of support leg device, and supporting leg has than higher safety in expansion and recovery movement process in this support leg device.Another object of the present invention aims to provide a kind of supporting leg type engineering machinery that comprises above-mentioned support leg device.
For solving the problems of the technologies described above; The present invention provides a kind of support leg device of supporting leg type engineering machinery; Comprise the supporting leg that is connected with the car body of said supporting leg type engineering machinery; The probe apparatus that also comprises the rearward end of the supporting leg case that is arranged at said supporting leg is used to detect said supporting leg and launches or the direction of recession obstruction; Said support leg device also comprises the detection signal that receives said probe apparatus and controller that can output order, and the instruction output end of said controller is electrically connected display unit, so that said display unit is made respective response according to said instruction.
Preferably, probe is the probe of ellipsoid for surveyed area in the said probe apparatus, and the launch point of said probe is positioned on the sphere of said ellipsoid, and said launch point is located on the said supporting leg.
Preferably, the end points of the major diameter of said ellipsoid is the launch point of said probe.
Preferably, the quantity of said probe is at least two, and the installed surface of the launch point of each said probe on said supporting leg case is inequality.
Preferably, the quantity of said probe is two, and the major diameter of the surveyed area of two said probes lays respectively at the both sides of horizontal plane, and two said major diameters become predetermined angle, and the detection range of said probe is positioned at the outside of the jib of said supporting leg type engineering machinery.
Preferably, said display unit is the warning piece that is arranged at said drivers' cab.
Preferably, said warning piece is multistage warning lamp.
Except that the safety detecting system of above-mentioned supporting leg type engineering machinery; The present invention also provides a kind of supporting leg type engineering machinery; Comprise car body and be arranged at the support leg device on the said car body, said support leg device is the support leg device of above-mentioned each described supporting leg type engineering machinery.
Preferably, said supporting leg type engineering machinery also has jib, and the articulated position of the alternate arm joint of said jib also is provided with checkout gear, is used to detect the expansion of each said arm joint or the obstruction of direction of recession.
The support leg device of a kind of supporting leg type engineering machinery provided by the invention; Comprise the supporting leg that is connected with the car body of said supporting leg type engineering machinery; The probe apparatus that also comprises the rearward end of the supporting leg case that is arranged at said supporting leg is used to detect said supporting leg and launches or the direction of recession obstruction; Said support leg device also comprises the detection signal that receives said probe apparatus and controller that can output order, and the instruction output end of said controller is electrically connected display unit, so that said display unit is made respective response according to said instruction.
When supporting leg launching or the withdrawal process in; The probe apparatus that is arranged on the supporting leg case can detect while the path of moving to its motion the place ahead; When having obstruction and obstruction to get in the detection range of probe apparatus on the motion path; Probe apparatus passes to the controller that is electrically connected with it with its detection signal that collects, and controller passes through detection signal analysis, judgement, and concurrent load instruction is in display unit; Display unit shows the judged result of controller with the mode that shows signal, operating personnel can be according to showing that signal takes the safety measure of being correlated with.
Support leg device provided by the present invention can detect supporting leg motion the place ahead through probe apparatus and whether have obstruction; Greatly reduce in the supporting leg motion process; The probability of supporting leg collision obstacle has improved the safety of supporting leg in expansion and removal process, and the application life of having improved supporting leg; The operating efficiency of supporting leg type engineering machinery reduces mechanical maintenance cost.
Description of drawings
Fig. 1 is a kind of structural representation of the specific embodiment of the support leg device of supporting leg type engineering machinery provided by the present invention;
Lateral view when Fig. 2 is in driving states for support leg device shown in Figure 1;
Fig. 3 is the installation site of probe apparatus in the support leg device shown in Figure 1.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 1 to Fig. 3:
1 supporting leg; 11 first; 12 second; 2 probes; 3 jibs; 4 car bodies; 5 obstructions; 6 hoppers; S first distance; The S1 second distance; A first plane of reference; B second plane of reference.
The specific embodiment
Core of the present invention aims to provide a kind of support leg device, and supporting leg has than higher safety in expansion and recovery movement process in this support leg device.Another core of the present invention aims to provide a kind of supporting leg type engineering machinery that comprises above-mentioned support leg device.
Be without loss of generality, this paper is that oscillating support leg is an example with supporting leg in the supporting leg type engineering machinery, introduces technical scheme of the present invention, it will be understood by those skilled in the art that the supporting leg in the support leg device of not getting rid of among the present invention is the situation of telescopic outrigger.
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is done further detailed description below in conjunction with accompanying drawing and specific embodiment.
Please refer to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is a kind of structural representation of the specific embodiment of the support leg device of supporting leg type engineering machinery provided by the present invention; Lateral view when Fig. 2 is in driving states for support leg device shown in Figure 1; Fig. 3 is the installation site of probe apparatus in the support leg device shown in Figure 1.
In a kind of specific embodiment; The support leg device of a kind of supporting leg type engineering machinery provided by the present invention; Comprise the supporting leg 1 that is connected with the car body of supporting leg type engineering machinery, be connected in the difference of position on the car body according to supporting leg 1, supporting leg 1 can be divided into front leg strut and rear support leg; For the bigger engineering machinery of tonnage middle supporting leg 1 possibly can be set also, each supporting leg 1 is car body central longitudinal plane symmetry distribution relatively all; Support leg device also comprises the probe apparatus of the rearward end of the supporting leg case that is arranged at supporting leg 1, is used to detect supporting leg and launches or the direction of recession obstruction.
Support leg device also comprises the controller of receiving transducer Device Testing signal and ability output order, and the instruction output end of controller is electrically connected display unit, so that said display unit is made respective response according to said instruction.
When supporting leg 1 launching or the withdrawal process in; The probe apparatus that is arranged on the supporting leg case can move on one side; On one side the path in its motion the place ahead is detected, when having obstruction and obstruction to get in the detection range of probe apparatus on the motion path, probe apparatus passes to the controller that is electrically connected with it with its detection signal that collects; Controller passes through detection signal analysis, judgement; Concurrent load instruction is in display unit, and display unit shows the judged result of controller with the mode that shows signal, and operating personnel can be according to showing that signal takes the safety measure of being correlated with.
Support leg device provided by the present invention can detect supporting leg motion the place ahead through probe apparatus and whether have obstruction; Greatly reduce in the supporting leg motion process; The probability of supporting leg collision obstacle has improved the safety of supporting leg 1 in expansion and removal process, and the application life of having improved supporting leg; The operating efficiency of supporting leg type engineering machinery reduces mechanical maintenance cost.
In a kind of specific embodiment; Probe 2 can be the probe of ellipsoid for surveyed area in the probe apparatus; The launch point of said probe 2 is positioned on the sphere of said ellipsoid; And launch point is located on the said supporting leg, and 2 the surveyed area of promptly popping one's head in is case type, and the major diameter of ellipsoid can be selected as required; The surveyed area of ellipsoid form can be than being easier to the concrete distance of disturbance in judgement object distance from supporting leg.
A kind of preferred embodiment in; The end points of the major diameter of said ellipsoid can be the launch point of said probe 2; This kind mounting means can guarantee to pop one's head in and 2 have distant detection distance detecting on the principal direction; Improve the utilization ratio of probe apparatus, and the probe 2 that surveyed area of installation is a spheroid shape on supporting leg just can be realized the detection of the obstruction of supporting leg 1 peripheral near zone.
Need to prove that probe 2 not only is confined to the probe that surveyed area is an ellipsoid, can be the probe etc. of similar ball-type for surveyed area, as long as can realize the technique effect of this paper.
Usually, when supporting leg 1 was in car body 4 lock-out states, the tail end of back side leg will exceed car body 4 one segment distances, had higher safety in order to guarantee the engineering machinery reversing, and probe apparatus can be taked following set-up mode.
Further; Probe 2 quantity can be at least two, and 2 the installed surface of launch point on the supporting leg case of respectively popping one's head in can be inequality, and each mounting plane of 2 of popping one's head in can have certain included angle; Through rationally choosing the installation site of probe 2 on supporting leg; Can enlarge the detection range of probe apparatus, and can realize that the surveyed area of probe apparatus covers the rear of whole supporting leg case (removing supporting leg case zone of living in), and then realize when the supporting leg type engineering machinery is in the reversing state; Probe can be realized the detection to car body 4 back obstructions; Ensure the safety of reversing, the afterbody that is installed on car body 4 with the detection probe of will moveing backward in the prior art is compared, and is installed on probe on the supporting leg case and can detects car body 4 rears more accurately and whether have obstruction.
Additionally; For the supporting leg type engineering machinery that upper frame part is provided with jib 3; When jib 3 is in folded state; The tail end of jib 3 generally will exceed car body 4 one segment distances, and in order to increase the safety of supporting leg type engineering machinery reversing, probe apparatus can be taked following set-up mode on the supporting leg 1.
Particularly; Probe 2 quantity can be two, and the major diameter of the surveyed area of two said probes 2 lays respectively at the both sides of horizontal plane, and two said major diameters become predetermined angle; As shown in Figure 2, the detection range of said probe 2 is positioned at the outside of the jib 3 of said supporting leg type engineering machinery.
The major diameter of the surveyed area of two said probes 2 lays respectively at the both sides of horizontal plane can detect the obstruction that is positioned at a certain zone, supporting leg 1 back lower place respectively; Increase the safety of reversing; Can detect the obstruction in certain zone, folding jib 3 rears of getting on the bus again, further increase the safety of jib when reversing of getting on the bus.
The angle initialization of the major diameter of two probe surveyed areas can be set according to the concrete condition of the engineering machinery of installing, and has provided the installation embodiment on a kind of concrete concrete mixer below.
As shown in Figure 3, in a kind of specific embodiment of concrete mixer, two probes 2 are installed on respectively on first 11 and second 12 of said supporting leg case; The detection side of the probe on first 11 is to oblique following; The detection side that can detect the probe on 5, the second 12 on the obstruction at car body 4 rears is to obliquely, second 12 inboard that is positioned at first 11; Roughly with first 11 one-tenth miter angle, it is as shown in Figure 2 that the maximum of two probes 2 detects the residing perpendicular of major diameter.
Display unit among above-mentioned each embodiment can be for being arranged at the warning piece of drivers' cab, and warning piece can be warning lamp, also can be the alarm bell of acoustic control; Display unit has the function of warning and can remind operating personnel to note operation to a certain extent, further increases the safety of supporting leg 1 motion and reversing.
Certainly display unit can also be the display screen of operating room, and controller can be shown in relevant parameter numerical value on the screen, so that operating personnel understand the position relation between supporting leg etc. and the obstruction more accurately.
Further; Warning piece can be multistage warning lamp, and the type of dividing warning lamp according to the distance of distance between supporting leg 1 or car body 4 parts and the obstruction is when distance draws near; The indicator lamp work of different colours or sound; As shown in Figure 2, first plane of reference A and second plane of reference B can be set, A, B two plane of references can be decided according to get on the bus the jib 3 last location and the hopper 6 residing positions of getting off; In the time of in obstruction 5 has just got into the probe detection range, it is luminous that the controller that be connected with probe 2 this moment can be controlled the one-level display lamp; If this moment, vehicle continued reversing; When obstruction 5 to first plane of reference A; It is luminous that the controller that be connected with probe this moment can be controlled the secondary display lamp; When probe detected obstruction 5 and approaches near second plane of reference B, it is luminous that the controller that be connected with probe this moment can be controlled three grades of display lamps.Wherein, first represent that apart from S the ultimate range of popping one's head in, second distance S1 are first distance apart from outer point to the first plane of reference A of S among Fig. 2.
Like this, operating personnel can more specifically understand the distance of obstacle distance car body 4 parts in the process of reversing or supporting leg motion in view of the above, are convenient to operating personnel and in time get rid of the collision dangerous situation.
Need to prove; The noun of locality such as outer, interior described in this paper all be with car body 4 serve as with reference to; Outside away from the direction of car body 4 being, near the direction of car body 4 be in, succinct for description scheme just; It will be understood by those skilled in the art that the noun of locality used herein should not limit the protection domain of this paper.
The present invention also provides a kind of supporting leg type engineering machinery, comprise car body 4 and be arranged at the support leg device on the said car body 4, said support leg device be more than the support leg device of the supporting leg type engineering machinery described in arbitrary embodiment.
This supporting leg type engineering machinery has above-mentioned support leg device, because above-mentioned support leg device has above-mentioned technique effect, the supporting leg type engineering machinery with this support leg device also should have the corresponding techniques effect.
In a kind of preferred embodiment; The supporting leg type engineering machinery can also have jib; The articulated position of the alternate arm joint of jib can also be provided with checkout gear; Be used to detect the expansion of each arm joint or the obstruction of direction of recession, being provided with of checkout gear can be with reference to the setting of probe apparatus on the above-mentioned supporting leg, does not do at this and gives unnecessary details.
The structure of above-mentioned other parts of supporting leg type engineering machinery please refer to available data, does not do at this and gives unnecessary details.
More than a kind of support leg device provided by the present invention and supporting leg type engineering machinery have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. the support leg device of a supporting leg type engineering machinery; Comprise the supporting leg (1) that is connected with the car body of said supporting leg type engineering machinery; It is characterized in that, also comprise the probe apparatus of the rearward end of the supporting leg case that is arranged at said supporting leg (1), be used to detect said supporting leg (1) and launch or the direction of recession obstruction; Said support leg device also comprises the detection signal that receives said probe apparatus and controller that can output order, and the instruction output end of said controller is electrically connected display unit, so that said display unit is made respective response according to said instruction.
2. the support leg device of supporting leg type engineering machinery as claimed in claim 1; It is characterized in that; Probe (2) is the probe of ellipsoid for surveyed area in the said probe apparatus, and the launch point of said probe (2) is positioned on the sphere of said ellipsoid, and said launch point is located on the said supporting leg (1).
3. the support leg device of supporting leg type engineering machinery as claimed in claim 2 is characterized in that, the end points of the major diameter of said ellipsoid is the launch point of said probe (2).
4. the support leg device of supporting leg type engineering machinery as claimed in claim 3 is characterized in that, the quantity of said probe (2) is at least two, and the installed surface of the launch point of each said probe (2) on said supporting leg case is inequality.
5. the support leg device of supporting leg type engineering machinery as claimed in claim 4; It is characterized in that; The quantity of said probe (2) is two; And the major diameter of the surveyed area of two said probes (2) lays respectively at the both sides of horizontal plane, and the predetermined angle of two said major diameters one-tenth, and the detection range of said probe (2) is positioned at the outside of the jib (3) of said supporting leg type engineering machinery.
6. like the support leg device of each described supporting leg type engineering machinery of claim 1 to 5, it is characterized in that said display unit is the warning piece that is arranged at said drivers' cab.
7. the support leg device of supporting leg type engineering machinery as claimed in claim 6 is characterized in that, said warning piece is multistage warning lamp.
8. a supporting leg type engineering machinery comprises car body (4) and is arranged at the support leg device on the said car body (4), it is characterized in that said support leg device is the support leg device of each described supporting leg type engineering machinery of claim 1 to 7.
9. supporting leg type engineering machinery as claimed in claim 8; It is characterized in that; Said supporting leg type engineering machinery also has jib (3), and the articulated position of the alternate arm joint of said jib (3) also is provided with checkout gear, is used to detect the expansion of each said arm joint or the obstruction of direction of recession.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102993797A CN102418420A (en) | 2011-09-30 | 2011-09-30 | Supporting leg device and supporting leg type engineering machinery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102993797A CN102418420A (en) | 2011-09-30 | 2011-09-30 | Supporting leg device and supporting leg type engineering machinery |
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| CN102418420A true CN102418420A (en) | 2012-04-18 |
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| CN2011102993797A Pending CN102418420A (en) | 2011-09-30 | 2011-09-30 | Supporting leg device and supporting leg type engineering machinery |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102785638A (en) * | 2012-08-20 | 2012-11-21 | 三一重工股份有限公司 | Engineering machinery |
| CN111559330A (en) * | 2020-04-29 | 2020-08-21 | 三一汽车制造有限公司 | Control method and control device for vehicle, and computer-readable storage medium |
| CN111646400A (en) * | 2020-06-19 | 2020-09-11 | 罗永胜 | Chassis supporting mechanism for engineering machinery |
| CN113095142A (en) * | 2021-03-15 | 2021-07-09 | 中联重科股份有限公司 | Operation monitoring method and system for engineering equipment and engineering equipment |
| CN113371611A (en) * | 2021-04-29 | 2021-09-10 | 中联重科股份有限公司 | Control method and device for supporting leg assembly and engineering equipment |
| CN113390047A (en) * | 2021-07-12 | 2021-09-14 | 星际控股集团有限公司 | Foldable lighting device and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113095142A (en) * | 2021-03-15 | 2021-07-09 | 中联重科股份有限公司 | Operation monitoring method and system for engineering equipment and engineering equipment |
| CN113371611A (en) * | 2021-04-29 | 2021-09-10 | 中联重科股份有限公司 | Control method and device for supporting leg assembly and engineering equipment |
| CN113390047A (en) * | 2021-07-12 | 2021-09-14 | 星际控股集团有限公司 | Foldable lighting device and system |
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Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130506 |
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Effective date of registration: 20130506 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Applicant after: SANY Automobile Manufacturing Co., Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Applicant before: Sanyi Heavy Industry Co., Ltd. |
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Application publication date: 20120418 |