CN204482815U - A kind of single oil cylinder twofold boom structure - Google Patents
A kind of single oil cylinder twofold boom structure Download PDFInfo
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- CN204482815U CN204482815U CN201520152541.6U CN201520152541U CN204482815U CN 204482815 U CN204482815 U CN 204482815U CN 201520152541 U CN201520152541 U CN 201520152541U CN 204482815 U CN204482815 U CN 204482815U
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Abstract
The utility model relates to a kind of single oil cylinder twofold boom structure, comprise middle spray boom bracket assembly, two spray booms take down the exhibits oil cylinder, double leval jib elevator platform assembly, two spray boom assemblies and Controlling solenoid valve group, double leval jib elevator platform assembly is fixed on middle spray boom bracket assembly top, and Controlling solenoid valve is mounted on double leval jib elevator platform assembly; Two spray boom assemblies are symmetrically set in middle spray boom bracket assembly both sides, spray boom assembly comprises the first segment spray boom assembly, second section spray boom assembly, Section of three spray boom assembly that are rotationally connected successively, first segment spray boom assembly and middle spray boom bracket assembly are rotationally connected, spray boom oil cylinder of taking down the exhibits is symmetrically set in both sides bottom middle spray boom bracket assembly, is rotationally connected respectively with middle spray boom bracket assembly and first segment spray boom assembly.The beneficial effects of the utility model are that this boom structure is simple, and overall spray boom intensity is higher, easy making process, and good looking appearance is generous, and function is advanced, and the cost control of product complete machine is effective, has larger market value.
Description
Technical field
This spray boom of the utility model belongs to equipment for plant protection parts, specifically, relates to a kind of relatively large equipment for plant protection spray boom foldable structure, belongs to plant protection mechanism technical field.
Background technology
Along with country is to the attention of agricultural production, the outstanding problem pendulum of agricultural modernization development is in face of us, main attention is used in development and cultivates and autumn harvest aspect by China a few years ago, and mid-term is to the proterctive equipment in plant growth stage and equipment for plant protection, other two aspects of comparing will fall behind larger, nearly 2 years countries start increasing and subsidize agricultural machinery policy, relevant enterprise also starts to strengthen the research and development to large-scale equipment for plant protection simultaneously, current China does not also have good large-scale equipment for plant protection, there is the large-scale equipment for plant protection introducing foreign country some areas, but it is expensive, cost is increased to various places tractor station and user, after-sale service is simultaneously also more difficult, the current part relevant enterprise of China, the research and development to this field devices are started, various equipment for plant protection is except the equipment of part wind spraying aid type, all to be equipped with different spray rod systems, in order to complete the spray medicine demand of different crops, so the advanced technology of spray boom whether, also the advanced degree of a national equipment for plant protection is fully demonstrated, the kind of current China spray boom mainly contains following several dummy device:
1, a kind of frame of existing market adopts the simple and easy 5 segmentation structures of hand foldable, namely left and right spray boom is two-part, middle one section of fixed knot, the simple and easy 5 segmentation structures of hand foldable mostly are level, vertical mixed arrangement, two ends adopts vertical folding mode, adopt horizontal folding structure near middle two joints, this structure spray boom prove-in length shorter (length of run is not more than 8 meters), adjustable height changes little occasion.
2, vertical folding structure, add up to and be similarly 5 segmentation foldable structures, every side utilizes a hydraulic jack to promote two spray booms, Cylinder Plunger push rod stroke is longer, first the first order is opened near middle one joint spray boom, after this joint spray boom flattens, Cylinder Plunger push rod continues to release along the chute of first order spray boom, until second level spray boom is opened completely, respectively there is an oil cylinder at spray boom group two ends, during recovery, cylinder movement on the contrary, the same prove-in length of this structure spray boom shorter (length of run is not more than 12 meters), the occasion that adjustable height can change with the need.
3, centering, large-scale boom sprayer, general employing 5 segmentation structure (length of run is not less than 15 meters), mainly contain twice to have folded, jackknife action is generally made up of 4 oil cylinders, and every side has two oil cylinders to control the jackknife action of 1,2 joint spray booms, control system is complicated, the coordination of two cylinders is difficult to ensure, commonly first opens first segment, then opens second section, have a strong impact on operating efficiency, fault rate is high.
Utility model content
For solving the problem, it is simple that technical problem to be solved in the utility model is to provide a kind of structure, overall spray boom intensity is higher, easy making process, good looking appearance is generous, function is advanced, due to the effective control to product design complete machine cost, has single oil cylinder twofold boom structure of unlimited market prospects.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of single oil cylinder twofold boom structure, comprise middle spray boom bracket assembly, two spray booms take down the exhibits oil cylinder, double leval jib elevator platform assembly, two spray boom assemblies and Controlling solenoid valve group, described double leval jib elevator platform assembly is fixed on front side of described middle spray boom bracket assembly, and described Controlling solenoid valve is mounted on described double leval jib elevator platform assembly; Two described spray boom assemblies are symmetrically set in described middle spray boom bracket assembly both sides, described spray boom assembly comprises the first segment spray boom assembly, second section spray boom assembly, Section of three spray boom assembly that are rotationally connected successively, described first segment spray boom assembly and described middle spray boom bracket assembly are rotationally connected, described spray boom oil cylinder of taking down the exhibits is symmetrically set in both sides bottom described middle spray boom bracket assembly, take down the exhibits oil cylinder one end and described middle spray boom bracket assembly of described spray boom is rotationally connected, and the other end and described first segment spray boom assembly are rotationally connected;
Middle spray boom support liquid medicine jet pipe assembly is fixed with on the downside of described middle spray boom bracket assembly, first segment liquid medicine jet pipe assembly is fixed with on the downside of described first segment spray boom assembly, be fixed with second section liquid medicine jet pipe assembly on the downside of described second section spray boom assembly, on the downside of described Section of three spray boom assembly, be fixed with Section of three liquid medicine jet pipe assembly.
On the basis of technique scheme, the utility model can also do following improvement:
Further, described middle spray boom bracket assembly is connected with double leval jib elevator platform assembly by compensating cylinder suspension.
Further, described double leval jib elevator platform assembly both sides are provided with two symmetrical double leval jib elevating mechanism oil cylinders, described double leval jib elevating mechanism oil cylinder is scalable and drive double leval jib elevator platform assembly to be elevated, and drives overall spray lance lifting by described compensating cylinder suspension.
Further, be connected by hinge arrangement between described middle spray boom bracket assembly with described first segment spray boom assembly, be connected by hinge arrangement between described first segment spray boom assembly and described second section spray boom assembly.
Further, described second section spray boom assembly is connected by anticollision slew gear with described Section of three spray boom assembly.
Further, dwang structure seat is also provided with between described first segment spray boom assembly and described second section spray boom assembly.
Further, be also provided with pull bar of taking down the exhibits, described in take down the exhibits pull bar one end and described middle spray boom bracket assembly be rotationally connected, the other end and described dwang structure seat are rotationally connected.
Further, take down the exhibits described between pull bar and described middle spray boom bracket assembly and be rotationally connected by middle spray boom post-tensioning pole socket.
The beneficial effect of above-mentioned further scheme is adopted to be:
The effect of anticollision slew gear and beneficial effect: second section spray boom assembly is always shaped as a joint interlock joint together with left Section of three spray boom, middle containing second section, Section of three spray boom anticollision slew gear; When spray boom is organized work, because wild environment is complicated, foreign matter and Section of far away three spray boom may be had to collide, at this moment the anticollision slew gear of spray boom rotates, section three, spray boom is rotated, upwards raises, after clearing the jumps simultaneously, section three, spray boom is under the effect of back-moving spring, and automatic returning is to original position.
Six joint spray booms of the middle related left and right sides of spray boom bracket assembly, be connected with double leval jib elevator platform assembly by compensating cylinder suspension, the stretching motion of double leval jib elevating mechanism oil cylinder, drive the lifting of double leval jib elevator platform assembly, overall spray lance lifting is driven, during balance bar can also realize complete machine uneven ground is advanced, to the Level tune effect of spray boom attitude in the wild by compensating cylinder suspension, spray boom is ensured as far as possible parallel with surface crops, ensure effect of spraying pesticide to greatest extent.
Double leval jib elevator platform assembly can process corresponding mounting position dimension according to the driving device dimensional requirement of client with double leval jib elevating mechanism oil cylinder, if client has this cover mechanism, when only needing spray boom assembly, the double leval jib elevator platform assembly of front portion and double leval jib elevating mechanism oil cylinder can be removed, on front side of middle spray boom bracket assembly, the hinge position of mounting can according to the hanging point dimensioned of client.
Magnetic valve group: this spray boom assembly Controlling solenoid valve group, the lifting of spray boom assembly integral, Telescopic can be controlled, according to user rs host power, configure corresponding pipeline, valve, the spare interface of host side spare interface with Controlling solenoid valve group only need be connected by client, namely completes the mating operation of power source.
In sum, the beneficial effects of the utility model are that this boom structure is simple, and overall spray boom intensity is higher, easy making process, and good looking appearance is generous, and function is advanced, due to the effective control to product design complete machine cost, brings unlimited market prospects to product.
Accompanying drawing explanation
Fig. 1 is the utility model spray boom open cube display;
Fig. 2 is that the utility model spray boom launches front view;
Fig. 3 is that the utility model spray boom launches end view;
Fig. 4 is that the utility model spray boom launches vertical view;
Fig. 5 is the utility model spray boom folded sides view;
Fig. 6 is that the utility model spray boom folds vertical view;
Fig. 7 is that the utility model spray boom folds front view.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
Lower dependency structure is described in detail in conjunction with a specific embodiment of the present utility model, as shown in Fig. 1 to 7, a kind of single oil cylinder twofold boom structure, comprise middle spray boom bracket assembly 12, two spray booms to take down the exhibits oil cylinder 13, double leval jib elevator platform assembly 8, left spray boom assembly, right spray boom assembly and Controlling solenoid valve group 11, described double leval jib elevator platform assembly 8 is fixed on front side of described middle spray boom bracket assembly 12, and described Controlling solenoid valve group 11 is located on described double leval jib elevator platform assembly 8, described left spray boom assembly is identical with described right spray boom assembly structure, be symmetrically set in described middle spray boom bracket assembly 12 both sides, described left spray boom assembly comprises the left first segment spray boom assembly 7 be rotationally connected successively, left second section spray boom assembly 3, left Section of three spray boom assembly 1, described right spray boom assembly comprises the right first segment spray boom assembly 21 be rotationally connected successively, right second section spray boom assembly 18, right Section of three spray boom assembly 16, described left first segment spray boom assembly 7 is connected with the left pivot movement of described middle spray boom bracket assembly 12, described right first segment spray boom assembly 21 is rotationally connected with the right side of described middle spray boom bracket assembly 12, described spray boom oil cylinder 13 of taking down the exhibits is symmetrically set in both sides bottom described middle spray boom bracket assembly 12, take down the exhibits oil cylinder 13 one end and described middle spray boom bracket assembly 12 of the described spray boom being located at left side is rotationally connected, the other end and described left first segment spray boom assembly 7 are rotationally connected, take down the exhibits oil cylinder 13 one end and described middle spray boom bracket assembly 12 of the described spray boom being located at right side is rotationally connected, the other end and described right first segment spray boom assembly 21 are rotationally connected,
Middle spray boom support liquid medicine jet pipe assembly 24 is fixed with on the downside of described middle spray boom bracket assembly 12, first segment liquid medicine jet pipe assembly 22 is all fixed with on the downside of described left first segment spray boom assembly 7 and described right first segment spray boom assembly 21, all be fixed with second section liquid medicine jet pipe assembly 19 on the downside of described left second section spray boom assembly 3 and described right second section spray boom assembly 18, on the downside of described left Section of three spray boom assembly 1 and described right Section of three spray boom assembly 16, be all fixed with Section of three liquid medicine jet pipe assembly 26.
Described middle spray boom bracket assembly 12 is connected with double leval jib elevator platform assembly 8 by compensating cylinder suspension 27.
Described double leval jib elevator platform assembly 8 both sides are provided with two symmetrical double leval jib elevating mechanism oil cylinders 9, described double leval jib elevating mechanism oil cylinder 9 is scalable and drive double leval jib elevator platform assembly 8 to be elevated, and drives overall spray lance lifting by described compensating cylinder suspension 27.
Described middle spray boom bracket assembly 12 is by left first segment, middle spray boom hinge arrangement 10 is connected with described left first segment spray boom assembly 7, described middle spray boom bracket assembly 12 is by right first segment, middle spray boom hinge arrangement 14 is connected with described right first segment spray boom assembly 21, by left second section between described left first segment spray boom assembly 7 and described left second section spray boom assembly 3, first segment rotary hinge structure 4 is connected, by right second section between described right first segment spray boom assembly 21 and described right second section spray boom assembly 18, first segment rotary hinge structure 15 is connected.
Be connected by left second section, Section of three spray boom anticollision slew gear 2 between described left second section spray boom assembly 3 and described left Section of three spray boom assembly 1; Be connected by right second section, Section of three spray boom anticollision slew gear 17 between described right second section spray boom assembly 18 and described right Section of three spray boom assembly 16.
Left second section, first segment pivot link structure seat 5 is also provided with between described left first segment spray boom assembly 7 and described left second section spray boom assembly 3; Right second section, first segment pivot link structure seat 20 is also provided with between described right first segment spray boom assembly 21 and described right second section spray boom assembly 18.
Described middle spray boom bracket assembly 12 rotates the left and right sides and is also provided with pull bar 6 of taking down the exhibits, be located to take down the exhibits described in left side pull bar 6 one end and described middle spray boom bracket assembly 12 to be rotationally connected, the other end and described left second section, first segment pivot link structure seat 5 are rotationally connected; Be located to take down the exhibits described in right side pull bar 6 one end and described middle spray boom bracket assembly 12 to be rotationally connected, the other end and described right second section, first segment pivot link structure seat 20 are rotationally connected.
Take down the exhibits between pull bar 6 and described middle spray boom bracket assembly 12 described on the left of being located at and be rotationally connected by the left back draw-bar seat 25 of middle spray boom; Take down the exhibits between pull bar 6 and described middle spray boom bracket assembly 12 described on the right side of being located at and be rotationally connected by the right back draw-bar seat 23 of middle spray boom.
Operating principle of the present utility model is as follows:
Spray boom is folded in deployed condition as shown in Figure 1, first when spray boom take down the exhibits oil cylinder 13 release time, left first segment spray boom assembly 7 and right first segment spray boom assembly 21 are respectively along left first segment, middle spray boom hinge arrangement 10 and right first segment, middle spray boom hinge arrangement 14 turns to the inside, to realize left first segment spray boom assembly 7 and right first segment spray boom assembly 21 jackknife action forward, simultaneously left second section spray boom assembly 3 and right second section spray boom assembly 18 together with left Section three spray boom assembly 1 and the right side Section of three spray boom assembly 16 under the effect of two pull bars 6 of taking down the exhibits, complete jackknife action backward, two pull bar 6 one end of taking down the exhibits utilize oscillating bearing to be fixed on the left back draw-bar seat of middle spray boom support 25 and right back draw-bar seat 23, the other end utilizes oscillating bearing to be fixed on left second section, first segment pivot link structure seat 5 and right second section, on first segment pivot link structure seat 20, when left first segment spray boom assembly 7 and right first segment spray boom assembly 21 forward folding, two pull bars 6 of taking down the exhibits, left second section, first segment rotary hinge structure 4 and right second section, first segment rotary hinge structure 15 controls the stability of rotating between two joint spray booms, utilized between oscillating bearing and each by pull bar 6 of taking down the exhibits and opposing oscillatory occurs, spray boom oil cylinder 13 of taking down the exhibits promotes first segment spray boom assembly and rolls over forward, pull bar 6 of taking down the exhibits oppositely draws second section touching lever assembly, section three, spray boom assembly is rolled over backward, finally realize the jackknife action of spray boom assembly, this process is see Fig. 5, Fig. 6, Fig. 7.
Be provided with left second section, left Section of three spray boom anticollision slew gear 2 between left second section spray boom assembly 3 and left Section of three spray boom assembly 1, three forms a joint interlock joint; Right second section, Section of three spray boom anticollision slew gear 17 is provided with between right second section spray boom assembly 18 and right Section of three spray boom assembly 16, three forms a joint interlock joint, when spray boom assembly is organized work, because wild environment is complicated, foreign matter and Section of far away three spray boom assembly may be had to collide, and at this moment anticollision slew gear rotates, section three, spray boom assembly is rotated, upwards raise, after clearing the jumps, Section of three spray boom assembly automatic returning is to original position simultaneously.
Six joint spray booms of the middle related left and right sides of spray boom bracket assembly 12, be connected with double leval jib elevator platform assembly 8 by compensating cylinder suspension 27, the stretching motion of double leval jib elevating mechanism oil cylinder 9, double leval jib elevator platform assembly 8 is driven to be elevated, overall spray lance lifting is driven by compensating cylinder suspension 27, during balance bar suspension 27 can also realize complete machine uneven ground is advanced in the wild, to the Level tune effect of spray boom attitude, spray boom is ensured as far as possible parallel with surface crops, ensure effect of spraying pesticide to greatest extent.
Double leval jib elevator platform assembly 8 can process corresponding mounting position dimension according to the driving device dimensional requirement of client with double leval jib elevating mechanism oil cylinder 9, if client has this cover mechanism, when only needing spray boom assembly, the double leval jib elevator platform assembly 8 of front portion can be removed with double leval jib elevating mechanism oil cylinder 9, on front side of middle spray boom bracket assembly 12, the hinge position of mounting can according to the hanging point dimensioned of client.
Controlling solenoid valve group 11 can control lifting, the Telescopic of spray boom assembly integral, according to user rs host power, configure corresponding pipeline, valve, the spare interface of host side spare interface with Controlling solenoid valve group 11 only need be connected by client, namely completes the mating operation of power source.
When spray boom take down the exhibits oil cylinder 13 regain time, each joint spray boom, along folding counter motion, completes the expansion of spray boom, see Fig. 1, Fig. 2, Fig. 3, Fig. 4.As can be seen from this structure, it is special that this spray boom assembly belongs to medium-sized equipment for plant protection, and this boom structure is simple; overall spray boom intensity is higher, easy making process, and good looking appearance is generous; function is advanced, due to the effective control to product design complete machine cost, brings unlimited market prospects to product.
The utility model is 7 segmentation structures, a pair oil cylinder adds the jackknife action that a pair pull bar controls whole spray boom, end is also provided with anticollision joint, this boom structure can (length of run be not less than 15 meters in the larger specification of application length, this is applied in 18 meters), and structure is simple, reliable in action, regulates simple.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a single oil cylinder twofold boom structure, it is characterized in that, comprise middle spray boom bracket assembly, two spray booms take down the exhibits oil cylinder, double leval jib elevator platform assembly, two spray boom assemblies and Controlling solenoid valve group, described double leval jib elevator platform assembly is fixed on front side of described middle spray boom bracket assembly, and described Controlling solenoid valve is mounted on described double leval jib elevator platform assembly; Two described spray boom assemblies are symmetrically set in described middle spray boom bracket assembly both sides, described spray boom assembly comprises the first segment spray boom assembly, second section spray boom assembly, Section of three spray boom assembly that are rotationally connected successively, described first segment spray boom assembly and described middle spray boom bracket assembly are rotationally connected, described spray boom oil cylinder of taking down the exhibits is symmetrically set in both sides bottom described middle spray boom bracket assembly, take down the exhibits oil cylinder one end and described middle spray boom bracket assembly of described spray boom is rotationally connected, and the other end and described first segment spray boom assembly are rotationally connected;
Middle spray boom support liquid medicine jet pipe assembly is fixed with on the downside of described middle spray boom bracket assembly, first segment liquid medicine jet pipe assembly is fixed with on the downside of described first segment spray boom assembly, be fixed with second section liquid medicine jet pipe assembly on the downside of described second section spray boom assembly, on the downside of described Section of three spray boom assembly, be fixed with Section of three liquid medicine jet pipe assembly.
2. a kind of single oil cylinder twofold boom structure according to claim 1, is characterized in that, described middle spray boom bracket assembly is connected with double leval jib elevator platform assembly by compensating cylinder suspension.
3. a kind of single oil cylinder twofold boom structure according to claim 2, it is characterized in that, described double leval jib elevator platform assembly both sides are provided with two symmetrical double leval jib elevating mechanism oil cylinders, described double leval jib elevating mechanism oil cylinder is scalable and drive double leval jib elevator platform assembly to be elevated, and drives overall spray lance lifting by described compensating cylinder suspension.
4. a kind of single oil cylinder twofold boom structure according to claim 2, it is characterized in that, be connected by hinge arrangement between described middle spray boom bracket assembly with described first segment spray boom assembly, be connected by hinge arrangement between described first segment spray boom assembly and described second section spray boom assembly.
5. a kind of single oil cylinder twofold boom structure according to claim 4, it is characterized in that, described second section spray boom assembly is connected by anticollision slew gear with described Section of three spray boom assembly.
6. a kind of single oil cylinder twofold boom structure according to claim 5, is characterized in that, be also provided with dwang structure seat between described first segment spray boom assembly and described second section spray boom assembly.
7. a kind of single oil cylinder twofold boom structure according to claim 6, is characterized in that, be also provided with pull bar of taking down the exhibits, described in take down the exhibits pull bar one end and described middle spray boom bracket assembly be rotationally connected, the other end and described dwang structure seat are rotationally connected.
8. a kind of single oil cylinder twofold boom structure according to claim 7, is characterized in that, described in take down the exhibits between pull bar and described middle spray boom bracket assembly and be rotationally connected by middle spray boom post-tensioning pole socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520152541.6U CN204482815U (en) | 2015-03-17 | 2015-03-17 | A kind of single oil cylinder twofold boom structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520152541.6U CN204482815U (en) | 2015-03-17 | 2015-03-17 | A kind of single oil cylinder twofold boom structure |
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| CN204482815U true CN204482815U (en) | 2015-07-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105685011A (en) * | 2016-04-18 | 2016-06-22 | 东北农业大学 | Folding-and-unfolding switching driving mechanism for spray-rod truss of spray-rod-type sprayer |
| CN105900964A (en) * | 2016-05-20 | 2016-08-31 | 王金德 | Self-propelled plant protection machine |
| CN106900682A (en) * | 2017-01-17 | 2017-06-30 | 燕山大学 | A kind of high-clearance self-propelled fog machine of full hydraulic system |
| CN107646820A (en) * | 2017-10-20 | 2018-02-02 | 公主岭市华玺农业机械制造有限公司 | A kind of self-walking spraying trolley |
| CN107824348A (en) * | 2017-12-07 | 2018-03-23 | 沈阳农业大学 | A kind of spray boom folding device of spraying machine |
-
2015
- 2015-03-17 CN CN201520152541.6U patent/CN204482815U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105685011A (en) * | 2016-04-18 | 2016-06-22 | 东北农业大学 | Folding-and-unfolding switching driving mechanism for spray-rod truss of spray-rod-type sprayer |
| CN105685011B (en) * | 2016-04-18 | 2018-04-17 | 东北农业大学 | Spray bar type spraying machine spray boom truss folds and expansion conversion driving mechanism |
| CN105900964A (en) * | 2016-05-20 | 2016-08-31 | 王金德 | Self-propelled plant protection machine |
| CN106900682A (en) * | 2017-01-17 | 2017-06-30 | 燕山大学 | A kind of high-clearance self-propelled fog machine of full hydraulic system |
| CN107646820A (en) * | 2017-10-20 | 2018-02-02 | 公主岭市华玺农业机械制造有限公司 | A kind of self-walking spraying trolley |
| CN107646820B (en) * | 2017-10-20 | 2024-05-03 | 公主岭市华玺农业机械制造有限公司 | Self-propelled medicine spraying vehicle |
| CN107824348A (en) * | 2017-12-07 | 2018-03-23 | 沈阳农业大学 | A kind of spray boom folding device of spraying machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20200317 |