CN201102281Y - Open and close control device for rotary discharge door of concrete mixer - Google Patents
Open and close control device for rotary discharge door of concrete mixer Download PDFInfo
- Publication number
- CN201102281Y CN201102281Y CNU2007201958884U CN200720195888U CN201102281Y CN 201102281 Y CN201102281 Y CN 201102281Y CN U2007201958884 U CNU2007201958884 U CN U2007201958884U CN 200720195888 U CN200720195888 U CN 200720195888U CN 201102281 Y CN201102281 Y CN 201102281Y
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- dump gate
- opening
- rotating shaft
- cylinder
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Abstract
The utility model discloses an open-close control device for a cement mixer rotary type discharge door, which comprises a cylinder or a hydraulic oil cylinder, one end of which is fixed at the outer protrudent part of a rotary type discharge door which is a sheet jointed with the bottom surface of a cylinder body and is fixed by a rotary shaft which is fixed at the outer protrudent part. An upper cam and a lower cam are installed at the rotary shaft of the rotary type discharge door. An upper detection switch and a lower detection switch are installed near the rotary shaft and at the positions at the same height with the cams and are used for detecting whether the cams rotate properly. The protrudent part of a first cam is under the close state corresponding to the discharge door, and the protrudent part of a second cam is under the open state corresponding to the discharge door. The device provided by the utility model can avoid the hydraulic oil cylinder or the cylinder rotates to the limit position to cause damage and also has the effect of energy saving.
Description
Technical field
The utility model relates to the vertical shaft concrete mixer, especially relates to the controller for opening and closing of the rotary Dump gate of a kind of concrete mixer.
Background technology
Concrete mixer is an equipment commonly used in the construction, is used for the ready-mixed concrete mortar.In the prior art, concrete mixer comprises two kinds of forms, i.e. horizontal concrete mixer and vertical concrete mixer.
The stirring vane of horizontal concrete mixer is around the shaft rotation that is parallel to horizontal plane, and under this alr mode, the paddle sector-meeting constantly is exposed in the air, inevitably brings air into concrete mortar, has reduced the quality that concrete stirs.The stirring vane of vertical concrete mixer then vertically stretches into concrete mortar, and around the rotation of vertical rotating shaft, and this kind mixer stirring vane in whipping process submerges in the mortar all the time, can not bring air into mortar in the whipping process.Because above-mentioned advantage, the use occasion of vertical concrete mixer increases gradually.
Vertical mixer must have Dump gate, and this Dump gate is used to draw off the concrete mortar that stirring finishes.Dump gate generally is positioned at the bottom of vertical mixer cylinder body, and the mortar that stirring is finished can rely on gravity to flow out when Dump gate is opened.
Dump gate relatively more commonly used in the prior art is rotary Dump gate.The body of this Dump gate and mixer cylinder base are fitted, and by rotating the realization closure around the shaft and opening.The unlatching of this Dump gate and closure all need by cylinder, oil cylinder or Motor Drive rotation, and stop after need rotating to certain position.
Under the prior art, the open and close controlling of Dump gate is relied on the natural stroke of cylinder or oil cylinder etc., after cylinder or oil cylinder reach its maximum length or limited device and withstand, will stop motion, Dump gate reaches opens or closed final position.Though this scheme is fairly simple,, oil cylinder or cylinder need move to extreme position, and it is had certain damage, because oil cylinder or cylinder need keep the oil pressure or the air pressure that stretch out or withdraw.Can produce useless energy consumption
The utility model content
At above-mentioned defective, the technical problem that the utility model solves is, the controller for opening and closing of the rotary Dump gate of a kind of concrete mixer is provided, this device is under the promotion of hydraulic jack or cylinder, realize the unlatching or the closure of Dump gate, and whether the unlatching or the closure that can detect Dump gate put in place, and control in view of the above described hydraulic jack or cylinder stop to stretch.
The utility model provides the controller for opening and closing of the rotary Dump gate of a kind of concrete mixer, comprise that an end is fixed on cylinder or the hydraulic jack on the rotary Dump gate evagination position, Dump gate is the thin plate of fitting with the cylinder body bottom surface, it is by fixing with the fixing rotating shaft in described evagination position, stretching of the telescopic arm of described cylinder or hydraulic jack, make described Dump gate around this rotating shaft rotation, realize opening and closure; Two cams up and down are installed on the rotating shaft of described rotary Dump gate; Whether close this rotating shaft is also installed following two sense switches on the position identical with above-mentioned cam height, be used to detect this cam and be rotated in place; In described two cams, the raised position of first cam is corresponding to the closed condition of Dump gate, and the raised position of second cam is corresponding to the opening of Dump gate.
Preferably, described sense switch is a travel switch.
Preferably, described sense switch is a noncontacting switch.
Preferably, described cam is locked on the rotating shaft by holding screw, unclamps the angle that this holding screw can be adjusted the cam lobe position as required; Opening angle when wherein, the unlatching that can control described Dump gate of the raised position place angle of adjusting described second cam puts in place.
Preferably, described cam has an open slot, has screwed hole on this open slot, by bolt open slot is clamped, with camlock on rotating shaft; Unclamp bolt, the angle of adjustable cam raised position; Wherein, the angle of adjusting the raised position place of described second cam can be controlled described Dump gate and open opening angle when putting in place.
Preferably, described sense switch is installed on the location-plate that is fixed in outer wall of cylinder block.
Preferably, described sense switch corresponding to first cam and second cam lays respectively at the left and right sides of rotating shaft.
The device that the utility model provides has been installed the cam with the rotating shaft rotation on rotating shaft, by the cooperation of sense switch, can realize the detection whether the Dump gate position of rotation is put in place.According to detecting the result who obtains, can control hydraulic jack or cylinder and open in good time or closing.This controller for opening and closing can avoid hydraulic jack or cylinder to rotate to extreme position and cause damage, also has the effect of saving energy.
Description of drawings
Fig. 1 is that the controller for opening and closing of the rotary Dump gate of the utility model first embodiment is overlooked the structure diagram of direction;
Fig. 2 is the enlarged drawing of rotating shaft part among Fig. 1;
Fig. 3 is the state of controller for opening and closing when the Dump gate unlatching puts in place of the rotary Dump gate of the utility model first embodiment;
Fig. 4 is the structure diagram of the positive apparent direction of the utility model first embodiment.
The specific embodiment
Please referring to Fig. 1, this figure is that the controller for opening and closing of the rotary Dump gate that provides of the utility model first embodiment is overlooked the structure diagram of direction, and wherein, Dump gate is in closure state.
As shown in Figure 1, described rotary Dump gate 1 is a plate object, comprises main part 1-1 and evagination part 1-2.Described main part 1-1 is fan-shaped, when Dump gate is in closed condition, and the discharge port on this main part 1-1 closed cylinder base plate 2.Accordingly, the discharge port of described cylinder body base plate 2 is the fan-shaped of a close cylinder body edge, coincide mutually with the shape of this main part 1-1.Described bossing 1-2 stretches out outside cylinder body base plate 2, be fixed with a vertical rotating shaft 3 on this bossing 1-2, this rotating shaft 3 passes the rotating cylinder 10 that is fixed on mixer cylinder body 8 sidewalls, and (this figure is not shown for these parts, please referring to Fig. 4) and this rotating cylinder 10 on location-plate 2-1, make whole Dump gate spatially obtain to fix.
Described evagination part 1-1 also has an impeller-hub 11 that connects cylinder or hydraulic jack 7 one ends, and the other end of described cylinder or hydraulic jack 7 then is fixed on the fixed platform 2-2 that mixer cylinder body 8 sidewalls stretch out by coupling spindle 6.Also illustrate among Fig. 1, the first cam 4-1 and the second cam 4-2 also are installed on the described rotating shaft 3, corresponding above-mentioned cam, the first sense switch 5-1 and the second sense switch 5-2 are installed on the described first fixed platform 2-1, and its installation site is the and arranged on left and right sides of equal height outside pairing cam respectively.The above-mentioned first cam 4-1 and the second cam 4-2 and described rotating shaft 3 are fixing, and rotation thereupon.
Please referring to Fig. 2, this illustrates the enlarged drawing of rotating shaft part among Fig. 1.As can be seen, the described first cam 4-1 and the second cam 4-2 all have a raised position on periphery, this raised position is used to trigger its corresponding sense switch, the sense switch 5-1 of the promptly corresponding first cam 4-1, and the second sense switch 5-2 of the corresponding second cam 4-2.Described cam also has an open slot, has screwed hole on this open slot, by screwing in screw, open slot is clamped, with camlock on rotating shaft 3.Angle on the circumference at the raised position place of above-mentioned cam can be rotated this cam and be regulated behind the screw that unclamps on the open slot, and locking once more after adjusting is finished.In fact, above-mentioned cam can not possess described open slot, and is to use holding screw to be fixed on the rotating shaft 3, tightens holding screw, and then cam and rotating shaft are fixed, and unclamp holding screw, then can adjust cam.
The raised position of the above-mentioned first cam 4-1 and the second cam 4-2 is opened in Dump gate 1 respectively and is put in place and closure when putting in place, triggers pairing sense switch.Fig. 1 illustrates Dump gate 1 and is in the closure position that puts in place, and as can be seen from this figure, the described first cam 4-1 pushes down the contact of sense switch 5-1 just, triggers this sense switch 5-1.In this embodiment, described sense switch adopts travel switch, and in fact, described sense switch can also adopt noncontacting switch.Please referring to Fig. 3, this illustrates the state that Dump gate 1 is opened when putting in place, and at this moment, the contact of the described sense switch 5-2 of the second cam 4-2 pressing is triggered this sense switch 5-2, sends Dump gate 1 and opens the signal that puts in place.According to the need and possibility, can adjust, thereby the control revolving door is opened the opening angle when putting in place the angle of the second cam 4-2.Above-mentioned Dump gate 1 closed or open the triggering signal that puts in place all can be sent into the controller of mixer, and controller stops the flexible of cylinder or hydraulic jack 7 in view of the above.Specifically be control control corresponding valve, make it no longer be in the operating position that makes cylinder or hydraulic jack 7 stretch out or withdraw.
Please referring to Fig. 4, this illustrates the structure diagram of the positive apparent direction of this embodiment.Can find out further that by this figure described cylinder or hydraulic jack 7 are fixed on the described fixed platform 2-2 by coupling spindle 6.The described first cam 4-1 and the second cam 4-2 are installed in respectively on the rotating shaft 3 height diverse locations, the described first travel switch 5-1 and the second travel switch 5-2 then lay respectively at the rotating shaft left and right sides, obtain the installation site by the location-plate 2-1 that is fixed on mixer cylinder body 8 outer walls, its high and low position corresponds respectively to the height at corresponding cam place.Described rotating shaft 3 passes the rotating cylinder 10 that is fixed on the mixer cylinder body 8, and the bearing that cooperates with described rotating shaft 3 is equipped with in the inside of this rotating cylinder 10, and fixed outside is on cylinder body 8, and by this rotating cylinder 10, rotating shaft 3 obtains the location.
Whether the controller for opening and closing of above-mentioned rotary Dump gate can provide the driving that rotatablely moves for Dump gate rotation, and can feed back revolving door and be rotated in place, and rotation drives according to FEEDBACK CONTROL stopping.This controller for opening and closing is to move under the control of mixer controller.The stretching motion of described cylinder or hydraulic jack 7 depends on the instruction that the mixer controller sends; The detection signal that the described first travel switch 5-1 and the second travel switch 5-2 send provides equally to the mixer controller, carries out corresponding judgement by it according to above-mentioned detection signal.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1, the controller for opening and closing of the rotary Dump gate of a kind of concrete mixer, comprise that an end is fixed on cylinder or the hydraulic jack on the rotary Dump gate evagination position, Dump gate is the thin plate of fitting with the cylinder body bottom surface, it is by fixing with the fixing rotating shaft in described evagination position, stretching of the telescopic arm of described cylinder or hydraulic jack, make described Dump gate around this rotating shaft rotation, realize opening and closure; It is characterized in that, two cams up and down are installed on the rotating shaft of described rotary Dump gate; Whether close this rotating shaft is also installed following two sense switches on the position identical with above-mentioned cam height, be used to detect this cam and be rotated in place; In described two cams, the raised position of first cam is corresponding to the closed condition of Dump gate, and the raised position of second cam is corresponding to the opening of Dump gate.
2, the controller for opening and closing of the rotary Dump gate of concrete mixer according to claim 1 is characterized in that, described sense switch is a travel switch.
3, the controller for opening and closing of the rotary Dump gate of concrete mixer according to claim 1 is characterized in that, described sense switch is a noncontacting switch.
4, the controller for opening and closing of the rotary Dump gate of concrete mixer according to claim 1 is characterized in that, described cam is locked on the rotating shaft by holding screw, unclamps the angle that this holding screw can be adjusted the cam lobe position as required; Opening angle when wherein, the unlatching that can control described Dump gate of the raised position place angle of adjusting described second cam puts in place.
5, the controller for opening and closing of the rotary Dump gate of concrete mixer according to claim 1 is characterized in that, described cam has an open slot, has screwed hole on this open slot, by bolt open slot is clamped, with camlock on rotating shaft; Unclamp bolt, the angle of adjustable cam raised position; Wherein, the angle of adjusting the raised position place of described second cam can be controlled described Dump gate and open opening angle when putting in place.
6, the controller for opening and closing of the rotary Dump gate of concrete mixer according to claim 1 is characterized in that, described sense switch is installed on the location-plate that is fixed in outer wall of cylinder block.
7, the controller for opening and closing of the rotary Dump gate of concrete mixer according to claim 6 is characterized in that, described sense switch corresponding to first cam and second cam lays respectively at the left and right sides of rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201958884U CN201102281Y (en) | 2007-10-31 | 2007-10-31 | Open and close control device for rotary discharge door of concrete mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201958884U CN201102281Y (en) | 2007-10-31 | 2007-10-31 | Open and close control device for rotary discharge door of concrete mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201102281Y true CN201102281Y (en) | 2008-08-20 |
Family
ID=39949298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201958884U Expired - Fee Related CN201102281Y (en) | 2007-10-31 | 2007-10-31 | Open and close control device for rotary discharge door of concrete mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201102281Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101433811A (en) * | 2008-12-09 | 2009-05-20 | 张家港市繁昌机械有限公司 | Discharge door mechanism of stirring machine |
| CN101890761A (en) * | 2010-06-30 | 2010-11-24 | 三一重工股份有限公司 | Blanking adjustable discharging hopper device and concrete batch plant applying same |
| CN102198697A (en) * | 2011-05-10 | 2011-09-28 | 无锡江加建设机械有限公司 | Stirrer discharging door control device and control method thereof |
| CN102380911A (en) * | 2011-09-09 | 2012-03-21 | 三一重工股份有限公司 | Discharge door opening positioning control device and finished product discharge system of mixing station |
| CN104441253A (en) * | 2013-09-22 | 2015-03-25 | 江苏卡威专用汽车制造有限公司 | Locking device of unloading hopper of mixer car and mixer car with locking device |
| CN105818271A (en) * | 2016-05-17 | 2016-08-03 | 三汽车制造有限公司 | Discharge hopper device and stirring station |
| CN107120464A (en) * | 2017-05-17 | 2017-09-01 | 珠海仕高玛机械设备有限公司 | A kind of standard-sized sheet rotates Dump gate structure |
| CN107150413A (en) * | 2017-05-17 | 2017-09-12 | 珠海仕高玛机械设备有限公司 | A kind of shearing discharging door of pull |
| CN109591195A (en) * | 2019-01-28 | 2019-04-09 | 青岛雷克斯机械有限公司 | A kind of discharge door mechanism of monoblock type |
-
2007
- 2007-10-31 CN CNU2007201958884U patent/CN201102281Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101433811A (en) * | 2008-12-09 | 2009-05-20 | 张家港市繁昌机械有限公司 | Discharge door mechanism of stirring machine |
| CN101890761A (en) * | 2010-06-30 | 2010-11-24 | 三一重工股份有限公司 | Blanking adjustable discharging hopper device and concrete batch plant applying same |
| CN102198697A (en) * | 2011-05-10 | 2011-09-28 | 无锡江加建设机械有限公司 | Stirrer discharging door control device and control method thereof |
| CN102198697B (en) * | 2011-05-10 | 2012-12-19 | 无锡江加建设机械有限公司 | Stirrer discharging door control method |
| CN102380911A (en) * | 2011-09-09 | 2012-03-21 | 三一重工股份有限公司 | Discharge door opening positioning control device and finished product discharge system of mixing station |
| CN104441253A (en) * | 2013-09-22 | 2015-03-25 | 江苏卡威专用汽车制造有限公司 | Locking device of unloading hopper of mixer car and mixer car with locking device |
| CN105818271A (en) * | 2016-05-17 | 2016-08-03 | 三汽车制造有限公司 | Discharge hopper device and stirring station |
| CN105818271B (en) * | 2016-05-17 | 2018-09-18 | 三一汽车制造有限公司 | Discharge hopper device and mixing plant |
| CN107120464A (en) * | 2017-05-17 | 2017-09-01 | 珠海仕高玛机械设备有限公司 | A kind of standard-sized sheet rotates Dump gate structure |
| CN107150413A (en) * | 2017-05-17 | 2017-09-12 | 珠海仕高玛机械设备有限公司 | A kind of shearing discharging door of pull |
| CN107150413B (en) * | 2017-05-17 | 2023-06-13 | 珠海仕高玛机械设备有限公司 | Pulling shear type unloading door structure |
| CN109591195A (en) * | 2019-01-28 | 2019-04-09 | 青岛雷克斯机械有限公司 | A kind of discharge door mechanism of monoblock type |
| CN109591195B (en) * | 2019-01-28 | 2023-10-20 | 青岛雷克斯机械有限公司 | Integral unloading door device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080820 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |