CN2527585Y - Top rake evenness controlling apparatus used in road building machine - Google Patents
Top rake evenness controlling apparatus used in road building machine Download PDFInfo
- Publication number
- CN2527585Y CN2527585Y CN 02224639 CN02224639U CN2527585Y CN 2527585 Y CN2527585 Y CN 2527585Y CN 02224639 CN02224639 CN 02224639 CN 02224639 U CN02224639 U CN 02224639U CN 2527585 Y CN2527585 Y CN 2527585Y
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- China
- Prior art keywords
- switch
- road building
- building machinery
- longitudinal gradient
- instrument
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- Expired - Fee Related
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Abstract
The utility model relates to a longitudinal slope evenness grade controller used for road machinery, which mainly comprises a rocking arm mechanism composed of an upper rocking arm (6), a lower rocking arm (9) and a pivot (7), an instrument shell (2) and switches (3),(4), and is characterized in that the lower rocking arm (9) is controlled based on the altitude difference between a leveling apparatus (1) and a benchmark apparatus (12) of the road machinery, the lower rocking arm (9) controls the upper rocking arm (6) by the pivot (7), the upper rocking arm (6) controls the opening or closing of the switches (3),(4) so as to send out signals to an electromagnetic valve, and then the adjustment of the longitudinal slope can be realized by controlling and adjusting an oil cylinder through the electromagnetic valve, the instrument shell (2) is connected with the leveling apparatus (1) of the road machinery, and the pivot (7) is supported by the instrument shell (2).
Description
The utility model relates to the longitudinal gradient roughness control instrument of using in a kind of road building machinery, is mainly used in the paving of road surface, adjustment and control smooth, longitudinal gradient when pushing away flat construction.
Present road materials spreader is used for adjusting the control system that longitudinal gradient carries out levelling when construction, be on spreading plate, to establish a longitudinal gradient instrument, just usually said leveling computer, when the longitudinal gradient instrument detects the signal of spreading plate injustice by sensor, feed back to the longitudinal gradient instrument, the longitudinal gradient instrument sends to electromagnetic valve to signal again, and the solenoid control oil cylinder is adjusted the spreading plate of the left and right sides, thereby realizes the adjustment of longitudinal gradient.
In addition, also has a kind of suspension cutter formula paver at present, the longitudinal gradient control system of using on this paver is because in the process of walking, the vibration of fuselage and fast leveling process cause the vibration repeatedly of longitudinal gradient instrument, cause too frequent movement of longitudinal gradient instrument sensor, and the action frequency of the sensor of longitudinal gradient instrument has certain restriction in application life, the frequent movement of above-mentioned longitudinal gradient instrument sensor has quickened the damaged condition of longitudinal gradient instrument, and the normal use of longitudinal gradient instrument is very important to the normal operation of paver, the damage of longitudinal gradient instrument often causes can not using of paver, is normally to use at least.
Above-mentionedly thisly come the control system of levelling by the longitudinal gradient instrument, subject matter is longitudinal gradient instrument complex structure, and the life-span is short, in case damage not easy-maintaining, and the time when changing is long, cost is high.
The utility model proposes the longitudinal gradient roughness control instrument of using in a kind of road building machinery, it has the following advantages: 1, simple in structure, reliability is high; 2, with low cost; 3, use is easy to maintenance.
For achieving the above object, the utility model is achieved in that the contact chip that rocker arm body, instrument shell, switch that it mainly is made up of upper rocker arm, lower shake-changing arm, fulcrum link to each other with the upper rocker arm upper end, near the limited block the lower shake-changing arm, the drawbar that drags etc. form on the reference line of standard apparatus.The instrument shell links to each other with road building machinery, and fulcrum is supported by the instrument shell.Lower shake-changing arm is controlled its swing by the apparatus for leveling of road building machinery and the difference in height of benchmark, when road building machinery is walked work forward, drawbar drags on the reference line of certain reference position, if during Uneven road, drawbar will be subjected to displacement up or down, the difference in height that is standard apparatus and apparatus for leveling changes, at this moment, see lower shake-changing arm up time or swing counterclockwise from the side, because lower shake-changing arm and fulcrum, on, between lower shake-changing arm for being rigidly connected, like this, according to lever principle, upper rocker arm is along with fulcrum is swung clockwise or counterclockwise, drive contact chip and contact, make switch closure or disconnection, send signal with switch, after electromagnetic valve receives signal, thereby realize the adjustment of longitudinal gradient by controlling the adjustment oil cylinder that links to each other with apparatus for leveling.
Above-mentioned switch can be touch switch, and touch switch can be divided into pressure sensitive switch and contact switch again.
Certainly, above-mentioned switch also can be non-contact switch, as inductive switch etc.
Above-mentioned switch can be single-way switch, and respectively establish a single-way switch in the both sides up and down of upper rocker arm this moment.
When need are adjusted the precision of switch, can realize by adjusting two distances between the single-way switch.
Certainly, above-mentioned switch also can be two-way switch, and this two-way switch itself can be adjusted the precision of switch by regulating the gap.
Certainly, in order to adjust the precision of switch, above-mentioned switch can vertically move, and promptly changes the amplitude of oscillation of rocking arm, can adapt to the adjustment of bigger planeness scope.
The damage switch can add a stopping means at the upper rocker arm place for fear of the rocker arm body amplitude of fluctuation is excessive.
Certainly; excessive and damage switch for fear of the rocker arm body amplitude of fluctuation; can also make elastic construction to lower shake-changing arm; promptly the lower shake-changing arm separated into two parts; connect by a spring between these two parts; cushion the amplitude of oscillation of rocker arm body by the elastic deformation of spring itself, thereby play the effect of protection switch.
Can two contact plates be set on the position of switch and come place of switches, like this, when contact chip directly contacted with contact plate, circuit was just connected, thereby sends signal.
Engaging accompanying drawing below is described in further detail the utility model.
Lateral view when Fig. 1 adopts single-way switch for the utility model controller.
Rear elevation when Fig. 2 adopts single-way switch for the utility model controller.
Lateral view when Fig. 3 adopts two-way switch for the utility model controller.
Lateral view when Fig. 4 adopts contact plate for the utility model controller.
Fig. 1, Fig. 2 adopts the structure diagram of single-way switch for the utility model, one instrument shell (2) is fixed on the road building machinery, there is a fulcrum (7) to support instrument shell (2), upper rocker arm (6), lower shake-changing arm (9), fulcrum (7), form a rocker arm body, lower shake-changing arm (9) is controlled with the difference in height of benchmark (12) by the apparatus for leveling (1) of road building machinery, lower shake-changing arm (9) is controlled upper rocker arm (6) by fulcrum (7) transfer torque, be positioned on the upper rocker arm (6), two unidirectional touch switches (3) of following both sides are two negative electrodes, the contact (5) that links to each other with upper rocker arm (6) is a positive electrode, when the road surface is higher, drawbar (11) moves up, make lower shake-changing arm (9) rotate around fulcrum (7), according to lever principle, upper rocker arm (6) correspondingly moves down, touch the unidirectional touch switch (3) of upper rocker arm (6) downside, make unidirectional touch switch (3) send higher signal; Otherwise, sending signal on the low side, this signal is transferred to electromagnetic valve, again by the adjustment oil cylinder in the solenoid control road building machinery, thereby adjusts the adjustment that planeness realizes the road building machinery longitudinal gradient by oil cylinder.Instrument shell (2) links to each other with road building machinery, and fulcrum (7) passes across instrument shell (2).
In order to adjust the precision of switch (3), the distance between two unidirectional touch switches (3), (4) can be regulated.
Damage switch (3) or (4) can locate to add a stopping means (14) in upper rocker arm (6) for fear of the rocker arm body amplitude of fluctuation is excessive.
Certainly; excessive and damage switch (3) and (4) for fear of the rocker arm body amplitude of fluctuation; lower shake-changing arm (9) can also adopt elastic construction; it is lower shake-changing arm (9) separated into two parts; connect by a spring (10) between these two parts; elastic deformation by spring (10) itself cushions the amplitude of oscillation of rocker arm body, thereby plays the effect of protection switch (3) and (4).
As shown in Figure 3, switch (3) is two-way touch switch, when Uneven road, sends contact (5) to by rocker arm body, sends signal by touch switch (3) again, is transferred to electromagnetic valve, adjusts the adjustment that oil cylinder is realized longitudinal gradient by solenoid control again.The spacing of this two-way touch switch (3) itself can be regulated in addition, to adjust the precision of switch (3).
As shown in Figure 4, switch (3) is the contact plate (15) of two conductions, when the road surface is higher, drawbar (11) moves up, make lower shake-changing arm (9) around fulcrum (7) rotation, according to lever principle, corresponding the moving down of upper rocker arm (6), touch the contact plate (15) of upper rocker arm (6) downside, circuit is connected and is sent higher signal; Otherwise, sending signal on the low side, this signal is transferred to electromagnetic valve, again by the adjustment oil cylinder in the solenoid control road building machinery, thereby adjusts the adjustment that planeness realizes the road building machinery longitudinal gradient by oil cylinder.
Claims (10)
1, the longitudinal gradient roughness control instrument that a kind of road building machinery is used, mainly by upper rocker arm (6), lower shake-changing arm (9), fulcrum (7), the rocker arm body of forming, instrument shell (2), switch (3), Deng composition, it is characterized in that the apparatus for leveling (1) of lower shake-changing arm (9) by road building machinery and the difference in height of standard apparatus (12) control its swing, lower shake-changing arm (9) is by fulcrum (7) control upper rocker arm (6), upper rocker arm (6) gauge tap (3), make the closed or disconnection of switch (3), instrument shell (2) links to each other with the apparatus for leveling (1) of road building machinery, and fulcrum (7) is supported by instrument shell (2).
2, the longitudinal gradient roughness control instrument of using according to a kind of road building machinery of claim 1 defined is characterized in that described switch (3) is a touch switch.
3, the longitudinal gradient roughness control instrument of using according to a kind of road building machinery of claim 1 defined is characterized in that described switch (3) is a non-contact switch.
4, the longitudinal gradient roughness control instrument of using according to a kind of road building machinery of claim 1 defined is characterized in that described switch (3) is a single-way switch.
5, the longitudinal gradient roughness control instrument of using according to a kind of road building machinery of claim 4 defined is characterized in that single-way switch is that two (3), (4) and the distance between it are adjustable.
6, the longitudinal gradient roughness control instrument of using according to a kind of road building machinery of claim 1 defined is characterized in that described switch (3) is a two-way switch.
7, the longitudinal gradient roughness control instrument of using according to a kind of road building machinery of claim 1 defined is characterized in that locating to add a stopping means (14) at upper rocker arm (6).
8, the longitudinal gradient roughness control instrument of using according to a kind of road building machinery of claim 1 defined is characterized in that switch (3) can vertically move.
9, the longitudinal gradient roughness control instrument of using according to a kind of road building machinery of claim 1 defined is characterized in that lower shake-changing arm (9) adopts elastic construction, and promptly lower shake-changing arm (9) separated into two parts connects by a spring (10) between these two parts.
10, the longitudinal gradient roughness control instrument of using according to a kind of road building machinery of claim 1 defined is characterized in that described switch (3) is the contact switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02224639 CN2527585Y (en) | 2002-03-21 | 2002-03-21 | Top rake evenness controlling apparatus used in road building machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02224639 CN2527585Y (en) | 2002-03-21 | 2002-03-21 | Top rake evenness controlling apparatus used in road building machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2527585Y true CN2527585Y (en) | 2002-12-25 |
Family
ID=33702009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02224639 Expired - Fee Related CN2527585Y (en) | 2002-03-21 | 2002-03-21 | Top rake evenness controlling apparatus used in road building machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2527585Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1780960B (en) * | 2003-04-21 | 2010-12-01 | 公路科学有限责任公司 | Device for shearing asphalt mixture on surface and surface smoothing method using same |
-
2002
- 2002-03-21 CN CN 02224639 patent/CN2527585Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1780960B (en) * | 2003-04-21 | 2010-12-01 | 公路科学有限责任公司 | Device for shearing asphalt mixture on surface and surface smoothing method using same |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Nan Wenhui Document name: Notification of Termination of Patent Right |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |