CN202301262U - Swing driving device, pumping mechanism and concrete pump truck - Google Patents
Swing driving device, pumping mechanism and concrete pump truck Download PDFInfo
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- CN202301262U CN202301262U CN2011203638637U CN201120363863U CN202301262U CN 202301262 U CN202301262 U CN 202301262U CN 2011203638637 U CN2011203638637 U CN 2011203638637U CN 201120363863 U CN201120363863 U CN 201120363863U CN 202301262 U CN202301262 U CN 202301262U
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- swing
- driving
- oil cylinder
- yaw drive
- piston rod
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Abstract
The utility model provides a swing driving device, a pumping mechanism and a concrete pump truck. The swing driving device comprises a swing mechanism, a distribution valve driving shaft and a first driving oil cylinder, wherein the swing mechanism is provided with a swing driving end, the distribution valve driving shaft is connected with the swing mechanism; and the first driving oil cylinder is provided with a piston rod which is connected with the swing driving end of the swing mechanism in a driving manner. According to the swing driving device provided by the utility model, the straight-line reciprocating motion of the first driving oil cylinder drives the swing mechanism to swing, the motion amplitude of the swing driving mechanism is decreased, and the impact degree of the swing driving mechanism is effectively reduced, so that the service lives of mechanism and the parts of the mechanism are prolonged. For the pumping mechanism and the concrete pump truck, due to the adoption of the swing driving device, the position switching operation of a distribution valve can be smoothly completed, the material suction process and the material delivery process can be successfully completed, and the stable work state is obtained.
Description
Technical field
The utility model relates to engineering machinery field, in particular to a kind of yaw drive, concrete mixer and pumping mechanism thereof.
Background technique
The distributing valve of concrete mixer is used in the first predetermined stroke, making carries cylinder to communicate with hopper; Realize carrying the cylinder suction; In the second predetermined stroke, make and carry cylinder to communicate with carrier pipe; Accomplish and carry the cylinder pump material,, suck the conveying cylinder and be pumped to cast the concrete in the hopper on-the-spot through the switching switching-over of distributing valve at first stroke and second stroke.The switching of distributing valve between first stroke and second stroke is to rely on yaw drive to realize; In engineering practice, require distributing valve switching-over rapidly, action is strong, the yaw drive that therefore drives the distributing valve switching-over require actuation time short, reversing impact is little and it is strong and powerful to move.
The structure of yaw drive is as shown in Figure 1 in the existing technology, comprises left tilt cylinder 1, right tilt cylinder 2 and rocking arm 3.Left side tilt cylinder 1 is provided with first oil pipe 4, and the afterbody of left tilt cylinder 1 is hinged on the left force bearing plate 5, and head is hinged on the left side of rocking arm 3; The bottom of rocking arm 3 is connected with distributing valve live axle 6 internal gears; The head of the right side of rocking arm 3 and right tilt cylinder 2 is hinged, and the afterbody of right tilt cylinder 2 is hinged on the right force bearing plate 7, and right tilt cylinder 2 is provided with second oil pipe 8.
During work, power oil gets into left tilt cylinder 1 from first oil pipe 4, and the piston rod that promotes left tilt cylinder 1 moves right; Clockwise rotate thereby drive rocking arm 3, and then drive 6 rotations of distributing valve live axle, make distributing valve accomplish first stroke action; Realize carrying cylinder to be communicated with, accomplish suction with hopper; Afterwards; Power oil gets into right tilt cylinder 2 from second oil pipe 8, promotes right tilt cylinder 2 to left movement, and rocking arm 3 is rotated counterclockwise; Thereby driving distributing valve live axle 6 rotates; And then drive distributing valve and accomplish second stroke action, making and carry cylinder to be communicated with carrier pipe, concrete is the arrival precalculated position under the effect of conveying cylinder pressure.
Swing along with rocking arm 3; The movement locus of the head of left side tilt cylinder 1 and right tilt cylinder 2 is camber line shape; The motion amplitude of two tilt cylinders is all bigger, and movement process is also relatively fiercer, and left force bearing plate 5 is caused bigger impact with right force bearing plate 7; Produce noise, to having adverse effect in working life of whole concrete mixer yaw drive.
The model utility content
The utility model aims to provide a kind of yaw drive and has its concrete mixer; Tilt cylinder rocking tendency to solve the rocker arm body on the existing concrete pump truck is big; Self and associated components are caused greater impact, influence the rocker arm body technical problem in working life.
To achieve these goals, an aspect according to the utility model provides a kind of yaw drive, comprising: swing mechanism has the swing driving end; The distributing valve live axle is connected with swing mechanism, and this yaw drive also comprises: first driving oil cylinder; Has piston rod; This piston rod drives with the swing driving end of swing mechanism and is connected, and in working order down, the piston rod moving linearly drives the swing mechanism swing.
Further, the swing driving end is circular arc, and the swing driving end is provided with a plurality of first actuating sawtooths; Piston rod is provided with a plurality of second actuating sawtooths that cooperate with a plurality of first actuating sawtooths.
Further, be hinged with connecting rod on the piston rod, this connecting rod is simultaneously hinged with the swing driving end of swing mechanism.
Further, the swing driving end is provided with the bulb bearing, and connecting rod is hinged with the swing driving end through the bulb bearing.
Further, this yaw drive also comprises the swing selector valve, and this swing selector valve is communicated with the rodless cavity and the rod chamber of first driving oil cylinder.
Further, this yaw drive also comprises second driving oil cylinder, and piston rod is slidably disposed between first driving oil cylinder and second driving oil cylinder.
Further, this yaw drive also comprises the swing selector valve, and this swing selector valve is communicated with the rodless cavity of first driving oil cylinder and second driving oil cylinder respectively.
Further, swing mechanism is connected through the gear engagement structure with the distributing valve live axle.
According to the utility model on the other hand, a kind of pumping mechanism is provided, has comprised distributing valve, this pumping mechanism also comprises above-mentioned yaw drive, and distributing valve is fixedly connected with the distributing valve live axle of this yaw drive.
Another aspect according to the utility model provides a kind of concrete mixer, comprises above-mentioned pumping mechanism.
Yaw drive according to the utility model; Straight reciprocating motion through first driving oil cylinder drives the swing mechanism swing; Reduced the motion amplitude of wobble drive mechanism itself; Effectively reduce the impact degree that wobble drive mechanism receives itself, help prolonging the working life of mechanism itself and component thereof.
Pumping mechanism that the utility model provides and concrete mixer can be accomplished the position switching of distributing valve reposefully because of having above-mentioned yaw drive, successfully accomplish suction and defeated material process, obtain stable working state.
Description of drawings
The Figure of description that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the structural representation of yaw drive of the prior art;
Fig. 2 is the structural representation of first kind of yaw drive of the utility model;
Fig. 3 is an I place enlarged view among Fig. 2;
Fig. 4 is the structural representation of second kind of yaw drive of the utility model;
Fig. 5 is the structural representation of the third yaw drive of the utility model;
Fig. 6 is the structural representation of the 4th kind of yaw drive of the utility model;
Fig. 7 is connected schematic representation for the swing selector valve with the oil circuit of oscillatory gearing mechanism.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.
An embodiment according to the utility model provides a kind of yaw drive, and is as shown in Figure 2, mainly comprises: swing mechanism 10 has the swing driving end; Distributing valve live axle 30; Be connected with swing mechanism 10, this yaw drive also comprises first driving oil cylinder 50, and it has piston rod 51; And be installed on the cylinder base flange 40; This piston rod 51 drives with the swing driving end of swing mechanism 10 and is connected, and in working order down, piston rod 51 moving linearlies drive swing mechanism 10 swings.
Yaw drive according to the utility model embodiment; Straight reciprocating motion through first driving oil cylinder 50 drives swing mechanism 10 swings; Reduced the motion amplitude of wobble drive mechanism itself; Effectively reduce the impact degree that wobble drive mechanism receives itself, help prolonging the working life of mechanism itself and component thereof.
Can find out that from the enlarged view of Fig. 3 the swing driving end is circular arc, the swing driving end is provided with a plurality of first actuating sawtooths 11; Then be provided with a plurality of second actuating sawtooths 53 on the piston rod 51 with 11 engagements of a plurality of first actuating sawtooth.Like this, when piston rod 51 was done horizontal linear reciprocating motion, a plurality of second actuating sawtooths 53 drove swing mechanism 10 swings through the engagement with a plurality of first actuating sawtooths 11, and swing mechanism 10 and then drive distributing valve live axle 30 rotate.Can adopt the mode of gear engagement between swing mechanism 10 and the distributing valve live axle 30; Particularly; Swing mechanism 10 is provided with internal gear, and distributing valve live axle 30 is provided with external gear, swing mechanism 10 and distributing valve live axle 30 being connected through internal gear and external gear.When work, the piston rod 51 of first driving oil cylinder 50 at first moves right, and drives swing mechanism 10 and clockwise rotates; Distributing valve live axle 30 also clockwise rotates under the drive of swing mechanism 10; Make a distributing valve accomplish first stroke action, realize carrying cylinder to be communicated with, accomplish suction with hopper; And when piston rod 51 during to left movement; Swing mechanism 10 beginnings rotate counterclockwise under the driving of piston rod 51; Distributing valve live axle 30 rotates counterclockwise equally; Drive this distributing valve and accomplish second stroke action, make and carry cylinder to be communicated with carrier pipe, concrete arrives the precalculated position under the effect of carrying cylinder pressure.
Piston rod 51 is connected with the driving of swing mechanism 10 can also be through mode shown in Figure 4; I.e. articulated linkage 70 on piston rod 51; Connecting rod 70 is also hinged with swing mechanism 10 simultaneously, and particularly, the hinged of driving end realized and swung to connecting rod 70 through the bulb bearing 90 that is arranged on the swing mechanism 10.Piston rod 51, is swung thereby drive swing mechanism 10 to swing mechanism 10 application of forces through connecting rod 70 when moving horizontally.
The utility model embodiment's yaw drive can also adopt Fig. 5 and mode of execution shown in Figure 6; One second driving oil cylinder 20 is set on the basis of first driving oil cylinder 50 again; This second driving oil cylinder 20 also is installed on the cylinder base flange 40; Piston rod 51 promptly all is provided with piston in first driving oil cylinder 50 and second driving oil cylinder 20 between first driving oil cylinder 50 and second driving oil cylinder 20, piston rod 51 is connected with piston in two driving oil cylinder.Through increasing by second driving oil cylinder 20, for piston rod 51 provides another support end, the horizontal reciprocating movement that helps piston rod 51 is more steady.
The swing selector valve 60 of the utility model embodiment's yaw drive has been shown among Fig. 7, and this swing selector valve 60 is the yaw drive fuel feeding through switching oil circuit, thereby changes the moving direction of piston rod 51.Particularly, for the mode of execution that only adopts first driving oil cylinder 50, for example the embodiment among Fig. 1 and Fig. 4 swings selector valve 60 and through oil pipe 80 power oil is delivered in the rodless cavity and rod chamber of first driving oil cylinder 50.And for the mode of execution that adopts first driving oil cylinder 50 and second driving oil cylinder 20; The embodiment among Fig. 5 and Fig. 6 for example; Swing selector valve 60 is delivered to power oil in the rodless cavity of first driving oil cylinder 50 and second driving oil cylinder 20 through oil pipe 80; Inject the rodless cavity of first driving oil cylinder 50 when power oil after, piston rod 51 moves to second driving oil cylinder 20, and the power oil in the rodless cavity of second driving oil cylinder 20 is discharged through oil pipe 80 under the pressure of piston rod 51; Inject the rodless cavity of second driving oil cylinder 20 when power oil after; Piston rod 51 moves to first driving oil cylinder 50; Power oil in the rodless cavity of first driving oil cylinder 50 is discharged through oil pipe 80 under the pressure of piston rod 51, and so, piston rod 51 is constantly carrying out the straight reciprocating motion of level.
Another embodiment according to the utility model; A kind of pumping mechanism with above-mentioned yaw drive is provided; And, a kind of concrete mixer with above-mentioned pumping mechanism being provided according to another embodiment of the utility model, this pumping mechanism and concrete mixer can be accomplished the position of distributing valve reposefully and switch because of having above-mentioned yaw drive; Successfully accomplish suction and defeated material process, obtain stable working state.
From above description, can find out that the utility model the above embodiments have realized following technique effect:
In the embodiment of the utility model; Straight reciprocating motion through first driving oil cylinder 50 drives swing mechanism 10 swings; Reduced the motion amplitude of wobble drive mechanism itself; Effectively reduce the impact degree that wobble drive mechanism receives itself, help prolonging the working life of mechanism itself and component thereof.
And in the embodiment of the utility model, through increasing by second driving oil cylinder 20, for piston rod 51 provides another support end, the horizontal reciprocating movement that helps piston rod 51 is more steady.
In addition, the utility model embodiment's pumping mechanism and concrete mixer can be accomplished the position switching of distributing valve reposefully because of having above-mentioned yaw drive, successfully accomplish suction and defeated material process, obtain stable working state.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.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. yaw drive comprises:
Swing mechanism (10) has the swing driving end;
Distributing valve live axle (30) is connected with said swing mechanism (10),
It is characterized in that; Also comprise: first driving oil cylinder (50), have piston rod (51), said piston rod (51) drives with the swing driving end of said swing mechanism (10) and is connected; In working order down, said piston rod (51) moving linearly drives said swing mechanism (10) swing.
2. yaw drive according to claim 1 is characterized in that, said swing driving end is circular arc, and said swing driving end is provided with a plurality of first actuating sawtooths (11); Said piston rod (51) is provided with a plurality of second actuating sawtooths (53) that cooperate with said a plurality of first actuating sawtooths (11).
3. yaw drive according to claim 1 is characterized in that, is hinged with connecting rod (70) on the said piston rod (51), and said connecting rod (70) is simultaneously hinged with the swing driving end of said swing mechanism (10).
4. yaw drive according to claim 3 is characterized in that, said swing driving end is provided with bulb bearing (90), and said connecting rod (70) is hinged through said bulb bearing (90) and said swing driving end.
5. according to each described yaw drive in the claim 1 to 4, it is characterized in that also comprise swing selector valve (60), said swing selector valve (60) is communicated with the rodless cavity and the rod chamber of said first driving oil cylinder (50).
6. according to each described yaw drive in the claim 1 to 4, it is characterized in that, also comprise second driving oil cylinder (20), said piston rod (51) is slidably disposed between said first driving oil cylinder (50) and said second driving oil cylinder (20).
7. yaw drive according to claim 6 is characterized in that, also comprises swing selector valve (60), and said swing selector valve (60) is communicated with the rodless cavity of said first driving oil cylinder (50) and said second driving oil cylinder (20) respectively.
8. according to each described yaw drive in the claim 1 to 4, it is characterized in that said swing mechanism (10) is connected through the gear engagement structure with said distributing valve live axle (30).
9. a pumping mechanism comprises distributing valve, it is characterized in that, also comprises each described yaw drive in the claim 1 to 8, and said distributing valve is fixedly connected with the distributing valve live axle (30) of said yaw drive.
10. a concrete mixer comprises pumping mechanism, it is characterized in that, said pumping mechanism is the described pumping mechanism of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203638637U CN202301262U (en) | 2011-09-26 | 2011-09-26 | Swing driving device, pumping mechanism and concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203638637U CN202301262U (en) | 2011-09-26 | 2011-09-26 | Swing driving device, pumping mechanism and concrete pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202301262U true CN202301262U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203638637U Expired - Lifetime CN202301262U (en) | 2011-09-26 | 2011-09-26 | Swing driving device, pumping mechanism and concrete pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202301262U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410325A (en) * | 2012-12-17 | 2013-11-27 | 北汽福田汽车股份有限公司 | Pumping mechanism and concrete pump truck |
| CN103470555A (en) * | 2013-09-10 | 2013-12-25 | 三一汽车制造有限公司 | Swing mechanism and concrete pumping device |
| CN104847728A (en) * | 2014-10-24 | 2015-08-19 | 北汽福田汽车股份有限公司 | Single-cylinder swing mechanism and engineering machine with same |
| CN106382196A (en) * | 2016-10-21 | 2017-02-08 | 北汽福田汽车股份有限公司 | Pump truck and pumping system thereof |
| WO2022133554A1 (en) | 2020-12-21 | 2022-06-30 | Kurylo Alberto | Minimum waste valve for concrete pump |
| CN115849038A (en) * | 2022-12-30 | 2023-03-28 | 浙江天能电源材料有限公司 | Reciprocating type waste lead plaster distributing and quantitative feeding device and method |
-
2011
- 2011-09-26 CN CN2011203638637U patent/CN202301262U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410325A (en) * | 2012-12-17 | 2013-11-27 | 北汽福田汽车股份有限公司 | Pumping mechanism and concrete pump truck |
| CN103470555A (en) * | 2013-09-10 | 2013-12-25 | 三一汽车制造有限公司 | Swing mechanism and concrete pumping device |
| CN103470555B (en) * | 2013-09-10 | 2017-04-05 | 三一汽车制造有限公司 | A kind of wabbler mechanism and concrete pumping equipment |
| CN104847728A (en) * | 2014-10-24 | 2015-08-19 | 北汽福田汽车股份有限公司 | Single-cylinder swing mechanism and engineering machine with same |
| CN106382196A (en) * | 2016-10-21 | 2017-02-08 | 北汽福田汽车股份有限公司 | Pump truck and pumping system thereof |
| WO2022133554A1 (en) | 2020-12-21 | 2022-06-30 | Kurylo Alberto | Minimum waste valve for concrete pump |
| CN115849038A (en) * | 2022-12-30 | 2023-03-28 | 浙江天能电源材料有限公司 | Reciprocating type waste lead plaster distributing and quantitative feeding device and method |
| CN115849038B (en) * | 2022-12-30 | 2023-10-03 | 浙江天能电源材料有限公司 | Reciprocating type waste lead plaster distribution quantitative feeding device and method |
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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: 20130507 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130507 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 31 industrial city, Changsha economic and Technological Development Zone, Hunan, Changsha Patentee before: Sanyi Heavy Industry Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |