CN203697253U - Agricultural mobile concrete stirring and pumping machine - Google Patents
Agricultural mobile concrete stirring and pumping machine Download PDFInfo
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- CN203697253U CN203697253U CN201420008575.3U CN201420008575U CN203697253U CN 203697253 U CN203697253 U CN 203697253U CN 201420008575 U CN201420008575 U CN 201420008575U CN 203697253 U CN203697253 U CN 203697253U
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- pumping
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- mixer
- pumping machine
- bearing chassis
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Abstract
The utility model discloses an agricultural mobile concrete stirring and pumping machine which comprises a tractor head, and a frame bearing chassis connected to the tractor head, wherein traveling wheels are arranged at the bottom of the frame bearing chassis; a driving component, a discharging hopper, a stirrer and a feeding hopper lifting mechanism provided with a feeding hopper are arranged on the frame bearing chassis; the driving component, the discharging hopper, the stirrer and the feeding hopper lifting mechanism are sequentially arranged from the tractor head part to the tail of the frame bearing chassis; a feeding hole of the stirrer faces the feeding hopper lifting mechanism; a discharging end of the stirrer faces the discharging hopper; a pumping discharge opening of the discharging hopper faces the direction of the driving component; a push cylinder of which the output end faces the pumping discharge opening is arranged on a side wall of the discharging hopper; a gap is reserved between the driving component and the pumping discharge opening. The whole equipment is low in manufacturing cost, small in structure and small in occupied area, is suitable for performing equipment conveying on various country roads, particularly suitable for performing equipment conveying on narrow roads, and provides a powerful guarantee for new rural construction.
Description
Technical field
The utility model relates to agricultural stirring pumping apparatus field, especially, relates to a kind of agricultural transportable concrete stirring pumping machine.
Background technology
In construction, concrete work still adopts different equipment jointly to complete mostly, batching plant, concrete mixer, concrete pump etc., these machineries all need model specification mutually to mate can integration of operation, production efficiency is low, area occupied is large, the mobile inconvenience of transporting, and be only adapted at using in city, and country road cannot carry out these large-scale heavy duty equipment delivery at all, therefore seriously restrict the development of rural area xoncrete structure.
At present, a kind of stirring pumping all-in-one has also been born, stirring and pumping equipment have been carried out integrated, although improved certain production efficiency, this equipment needs oversize vehicle haul equally, also need to be equipped with supporting charging apparatus simultaneously, equipment delivery rto request is also very high, transport and use same inconvenience, and cost is high, high cost, inapplicable equally for rural development.
Utility model content
The utility model object is to provide a kind of agricultural transportable concrete stirring pumping machine, transports to solve that large-scale heavy duty equipment difficulty is large, cost is high, use inconvenient technical problem on existing country road.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of agricultural transportable concrete stirring pumping machine, comprise drawing the tractor head that stirring pumping machine moves and be connected on tractor head in order to load the shaped as frame bearing chassis of stirring pumping machine, road wheel is equipped with in shaped as frame bearing chassis bottom, in shaped as frame bearing chassis, be mounted with to drive the driven unit of stirring pumping machine, in order to the discharge bucket of pumping, in order to stir the mixer of slip and the feed hopper elevating mechanism of feed hopper be housed, from tractor head position to the shaped as frame bearing chassis afterbody driven unit of arranging successively, discharge bucket, mixer and feed hopper elevating mechanism, the charging aperture of mixer is towards feed hopper elevating mechanism, the discharge end of mixer is towards discharge bucket, the pumping discharging opening of discharge bucket arranges towards driven unit direction, the pusher oil cylinder of output towards pumping discharging opening is housed on the sidewall of discharge bucket, between driven unit and pumping discharging opening, leave the spacing of sending discharge nozzle in order to installation pump.
Further, paddle type pumping distributing valve or S cast pumping distributing valve are housed on pusher oil cylinder; Paddle type pumping distributing valve comprises flashboard and connects the first propelling movement mouthful of the piston output of pusher oil cylinder, a first propelling movement mouthful layout corresponding to pumping discharging opening; S cast pumping distributing valve comprises S shape bend pipe, orders about hydraulic-driven tilt cylinder and two second propelling movements mouthful that S shape bend pipe radially rotates, two second push mouth and are connected with respectively one group of pusher oil cylinder, the first end of S shape bend pipe connects pumping discharging opening, two second one of pushing in mouth of the second end connection of S shape bend pipe, hydraulic-driven tilt cylinder drives the second end of S shape bend pipe to push on mouth and switch at two second.
Further, mixer is rotary mixer or forced mixer.
Further, rotary mixer rotarilys actuate the drum rotating of rotary mixer by the tugboat of bottom, and tugboat is connected with to drive the drive motors of tugboat; Or tugboat connects driven unit to drive tugboat.
Further, tugboat outer surface is provided with to increase the rubber layer of mutual frictional force between tugboat and the cylinder of rotary mixer.
Further, on pumping discharging opening, be connected with swan neck, swan neck connects pumping discharge nozzle.
Further, driven unit is loaded on shaped as frame bearing chassis carrying platform, and driven unit is motor or diesel engine, and driven unit connects and drives stirring pumping machine and feed hopper elevating mechanism.
Further, feed hopper elevating mechanism is provided with the assembly pulley in order to feed hopper lifting.
Further, shaped as frame bearing chassis and/or feed hopper elevating mechanism are provided with to connect the bindiny mechanism of loading machine.
Further, shaped as frame bearing chassis bottom is provided with the movable support frame of vertically arranging, movable support frame adopts at least one in manual adjustments telescope support or hydraulically extensible support.
The utlity model has following beneficial effect:
This agricultural transportable concrete stirring pumping machine, adopt the traction of the conventional agricultural equipment tractor in rural area as whole stirring pumping machine, by connect shaped as frame bearing chassis after tractor head, in shaped as frame bearing chassis, road wheel is equipped with in portion, the mode that stirring pumping machine is set in shaped as frame bearing chassis forms convenient concrete work equipment of walking on country road freely, especially can navigate within narrow and small road, integrated structural design, Whole Equipment drives to job site just can directly carry out concrete materials configuration, stirring, discharging, pumping, cast, implements simply, and product generates soon, quality is high, good stability, without mobile device repeatedly, reduce field accident occurrence probability, by loading driving mechanism with thinking that stirring, pumping provide drive energy, exempt the variety of issue that external drive energy causes in shaped as frame bearing chassis, from tractor head position to the shaped as frame bearing chassis afterbody driven unit of arranging successively, discharge bucket, mixer and feed hopper elevating mechanism, for loading, the material of mixer provides enough enforcement spaces, exempt the artificial loaded material that participates in, save human cost, security is good, utilizing feed hopper elevating mechanism to reduce feed hopper loaded material rises and puts into the material running that circulates successively, convenient toward the interior continual loaded material of mixer, whole loaded material, stir, discharging, pumping procedure is coherent without hindrance, can provide stable, high-quality concrete product, and realize Fully-mechanized operation, the streamline forming from entering to expect pumping is produced, form concrete scene, efficient output, pusher oil cylinder is first gone out from conveying cylinder slip pushing power by the piston of oil cylinder again in the slip suction conveying cylinder in discharge bucket to the pumping of pumping discharging opening, thereby realizes the process of pump concrete slip, implements simple and convenient, spacing between driven unit and pumping discharging opening facilitates installation pump to send discharge nozzle, whole device fabrication cost is low, and structure is small and exquisite, compact conformation, and area occupied is little, is adapted at passing through on various roads, especially can be applicable to the current of hill path, rural area dirt road, is rural development, particularly remote mountain areas, and powerful guarantee is provided.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the agricultural transportable concrete stirring pumping machine schematic diagram of the utility model preferred embodiment;
Fig. 2 is the structural representation that paddle type pumping distributing valve is housed on the pusher oil cylinder of the utility model preferred embodiment;
Fig. 3 is the structural representation that S cast pumping distributing valve is housed on the pusher oil cylinder of the utility model preferred embodiment.
Marginal data:
1, tractor head; 2, shaped as frame bearing chassis; 3, road wheel; 4, driven unit; 5, discharge bucket; 6, mixer; 7, feed hopper elevating mechanism; 8, pusher oil cylinder; 9, pumping discharging opening; 10, paddle type pumping distributing valve; 101, flashboard; 102, first push mouth; 11, S cast pumping distributing valve; 111, second push mouth; 112, S shape bend pipe; 113, hydraulic-driven tilt cylinder; 12, tugboat; 13, assembly pulley; 14, movable support frame.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Fig. 1 is the agricultural transportable concrete stirring pumping machine schematic diagram of the utility model preferred embodiment; Fig. 2 is the structural representation that paddle type pumping distributing valve is housed on the pusher oil cylinder of the utility model preferred embodiment; Fig. 3 is the structural representation that S cast pumping distributing valve is housed on the pusher oil cylinder of the utility model preferred embodiment.
As shown in Figure 1, the agricultural transportable concrete stirring pumping machine of the present embodiment, comprise drawing the tractor head 1 that stirring pumping machine moves and be connected on tractor head 1 in order to load the shaped as frame bearing chassis 2 of stirring pumping machine, road wheel 3 is equipped with in shaped as frame bearing chassis 2 bottoms, in shaped as frame bearing chassis 2, be mounted with to drive the driven unit 4 of stirring pumping machine, in order to the discharge bucket 5 of pumping, in order to stir the mixer 6 of slip and the feed hopper elevating mechanism 7 of feed hopper be housed, from tractor head 1 position to the shaped as frame bearing chassis 2 afterbodys driven unit 4 of arranging successively, discharge bucket 5, mixer 6 and feed hopper elevating mechanism 7, the charging aperture of mixer 6 is towards feed hopper elevating mechanism 7, the discharge end of mixer 6 is towards discharge bucket 5, the pumping discharging opening 9 of discharge bucket 5 is towards driven unit 4 direction settings, output is housed on the sidewall of discharge bucket 5 and carries towards pumping discharging opening 9 and in order to first slip is sucked the pusher oil cylinder 8 that in cylinder, the piston propelling movement power by oil cylinder is gone out material pulp pumping again, between driven unit 4 and pumping discharging opening 9, leave the spacing of sending discharge nozzle in order to installation pump.This agricultural transportable concrete stirring pumping machine, adopt the traction of the conventional agricultural equipment tractor in rural area as whole stirring pumping machine, by connecting shaped as frame bearing chassis 2 below at tractor head 1,2 of shaped as frame bearing chassis, road wheel 3 is housed, the mode that stirring pumping machine is set in shaped as frame bearing chassis 2 forms convenient concrete work equipment of walking on country road freely, especially can navigate within narrow and small road, integrated structural design, Whole Equipment drives to job site just can directly carry out concrete materials configuration, stirring, discharging, pumping, cast, implements simply, and product generates soon, quality is high, good stability, without mobile device repeatedly, reduce field accident occurrence probability, by loading driving mechanism with thinking that stirring, pumping provide drive energy, exempt the variety of issue that external drive energy causes in shaped as frame bearing chassis 2, from tractor head 1 position to the shaped as frame bearing chassis 2 afterbodys driven unit 4 of arranging successively, discharge bucket 5, mixer 6 and feed hopper elevating mechanism 7, for loading, the material of mixer 6 provides enough enforcement spaces, exempt the artificial loaded material that participates in, save human cost, security is good, utilizing feed hopper elevating mechanism 7 to reduce feed hopper loaded material rises and puts into the material running that circulates successively, convenient toward the interior continual loaded material of mixer 6, whole loaded material, stir, discharging, pumping procedure is coherent without hindrance, can provide stable, high-quality concrete product, and realize Fully-mechanized operation, the streamline forming from entering to expect pumping is produced, form concrete scene, efficient output, pusher oil cylinder 8 is first gone out from conveying cylinder slip pushing power by the piston of oil cylinder again in the slip suction conveying cylinder in discharge bucket 5 to 9 pumpings of pumping discharging opening, thereby realizes the process of pump concrete slip, implements simple and convenient, spacing between driven unit 4 and pumping discharging opening 9 facilitates installation pump to send discharge nozzle, whole device fabrication cost is low, and structure is small and exquisite, compact conformation, and area occupied is little, is adapted at passing through on various roads, and the equipment that is particularly useful for limited road is carried, and is new countryside construction, and particularly remote mountain areas is built, and powerful guarantee is provided.In discharge bucket 5, be also provided with Auger a, Auger a is located at the top of pumping discharging opening 9 and pusher oil cylinder 8 pusher mouths, in order to the concrete slurry in discharge bucket 5 is carried out to horizontal transmission, the concrete slurry of discharge bucket 5 bottoms is evenly distributed, so that pumping.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, paddle type pumping distributing valve 10 or S cast pumping distributing valve 11 are housed on pusher oil cylinder 8; Paddle type pumping distributing valve 10 comprises flashboard 101 and connects the first propelling movement mouthful 102, the first propelling movement mouthful 102 layouts corresponding to pumping discharging opening 9 of the piston output of pusher oil cylinder 8; S cast pumping distributing valve 11 comprises S shape bend pipe 112, orders about hydraulic-driven tilt cylinder 113 and two second propelling movement mouths 111 that S shape bend pipe 112 radially rotates, two second push mouth 111 and are connected with respectively one group of pusher oil cylinder 8, the first end of S shape bend pipe 112 connects pumping discharging opening 9, the second end of S shape bend pipe 112 connects two second one of pushing in mouth 111, and hydraulic-driven tilt cylinder 113 drives the second end of S shape bend pipe 112 to push on mouth 111 and switch at two second.On pusher oil cylinder 8, assemble paddle type pumping distributing valve 10, by flashboard 101, the slip dropping from mixer discharging opening is led and fallen pumping region, the interior receipts of the oil cylinder piston by pusher oil cylinder 8 suck slip to carry cylinder, then extrapolate and carry the slip of cylinder to go out to 9 pumpings of pumping discharging opening from the first propelling movement mouth 102 by sucking by oil cylinder piston, be applicable to the more concrete slurry pumping of coarse aggregate, on pusher oil cylinder 8, assemble S cast pumping distributing valve 11, push mouth 111 to two second respectively by two pusher oil cylinders 8 and carry out asynchronous push, when the piston of a pusher oil cylinder 8 outwards pushes, the piston of another pusher oil cylinder 8 inwardly aspirates, the first end of S shape bend pipe 112 is communicated with all the time on pumping discharging opening 9, ordering about S shape bend pipe 112 by hydraulic-driven tilt cylinder 113 radially rotates, hydraulic-driven tilt cylinder 113 is synchronizeed driving with pusher oil cylinder 8, the second end that hydraulic-driven tilt cylinder 113 orders about S shape bend pipe 112 rotates to the outside second propelling movement mouth 111 pushing of piston of pusher oil cylinder 8.
As shown in Figure 1, in the present embodiment, mixer 6 is rotary mixer or forced mixer.Employing drum mixer structure is simple, low cost of manufacture, and energy consumption is low, and wearability is good, long service life, discharging is convenient, can be used in consecutive production; Forced mixer stirring efficiency is high, and discharging is clean, can feed in raw material from all directions, and the directionality of charging mechanism requires low.
As shown in Figure 1, in the present embodiment, rotary mixer rotarilys actuate the drum rotating of rotary mixer by the tugboat 12 of bottom, and tugboat 12 is connected with to drive the drive motors of tugboat 12; Or tugboat 12 connects driven unit 4 to drive tugboat 12.Can adopt micro-machine to drive, also can adopt driven unit 4 comprehensively to drive, can select arbitrarily according to the size of mixer and environment for use.
As shown in Figure 1, in the present embodiment, tugboat 12 outer surfaces are provided with to increase the rubber layer of mutual frictional force between tugboat 12 and the cylinder of rotary mixer.By adding rubber layer at tugboat 12 outer surfaces, can improve mutual frictional force between tugboat 12 and the cylinder of rotary mixer, thereby reduce energy consumption; Rubber layer is convenient for changing, and reduces tugboat 12 and mutually weares and teares with the cylinder of rotary mixer, thereby improve service life.
As shown in Figure 1, in the present embodiment, on pumping discharging opening 9, be connected with swan neck, swan neck connects pumping discharge nozzle.Preferably, swan neck is the swan neck of 90 °.Facilitate the connection of pumping discharge nozzle, facilitate pumping discharging.
As shown in Figure 1, in the present embodiment, driven unit 4 is loaded on shaped as frame bearing chassis 2 carrying platforms, and driven unit 4 is motor or diesel engine, and driven unit 4 connects and drives stirring pumping machine and feed hopper elevating mechanism 7.By unified driven unit 4, stirring pumping machine and feed hopper elevating mechanism 7 are driven, reduce the shared space of driving mechanism is set respectively; Carry out unified driving, can reduce energy resource consumption.
As shown in Figure 1, in the present embodiment, feed hopper elevating mechanism 7 is provided with the assembly pulley 13 in order to feed hopper lifting.Carry out the descending operation of feed hopper on feed hopper elevating mechanism 7 by assembly pulley 13, simple to operate, energy resource consumption is low, and descending operation is easily controlled.
As shown in Figure 1, in the present embodiment, shaped as frame bearing chassis 2 and/or feed hopper elevating mechanism 7 are provided with to connect the bindiny mechanism of loading machine.Facilitate loading machine and agricultural transportable concrete stirring pumping machine, be convenient to the interior loaded material of mixer 6, structural stability is better.
As shown in Figure 1, in the present embodiment, shaped as frame bearing chassis 2 bottoms are provided with the movable support frame 14 of vertically arranging, movable support frame 14 adopts at least one in manual adjustments telescope support or hydraulically extensible support.Play the effect of stablizing whole agricultural transportable concrete stirring pumping machine by movable support frame 14, support effect is better, and structural stability is better; Because being vertically arranges, while therefore support, be not easy to produce shear stress, the probability that the bracing frame 14 that takes in sail is destroyed due to shear stress.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an agricultural transportable concrete stirring pumping machine, is characterized in that,
Comprise drawing the tractor head (1) that stirring pumping machine moves and be connected to tractor head (1) upper in order to load the shaped as frame bearing chassis (2) of stirring pumping machine,
Road wheel (3) is equipped with in described shaped as frame bearing chassis (2) bottom,
In described shaped as frame bearing chassis (2), be mounted with to drive the driven unit (4) of stirring pumping machine, in order to the discharge bucket (5) of pumping, in order to stir the mixer (6) of slip and the feed hopper elevating mechanism (7) of feed hopper is housed
From described tractor head (1) position to described shaped as frame bearing chassis (2) afterbody arrange successively described driven unit (4), described discharge bucket (5), described mixer (6) and described feed hopper elevating mechanism (7)
The charging aperture of described mixer (6) is towards described feed hopper elevating mechanism (7),
The discharge end of described mixer (6) is towards described discharge bucket (5),
The pumping discharging opening (9) of described discharge bucket (5) is towards described driven unit (4) direction setting,
The pusher oil cylinder (8) of output towards described pumping discharging opening (9) is housed on the sidewall of described discharge bucket (5),
Between described driven unit (4) and described pumping discharging opening (9), leave the spacing of sending discharge nozzle in order to installation pump.
2. agricultural transportable concrete stirring pumping machine according to claim 1, is characterized in that,
Paddle type pumping distributing valve (10) or S cast pumping distributing valve (11) are housed on described pusher oil cylinder (8);
Described paddle type pumping distributing valve (10) comprise flashboard (101) and connect described pusher oil cylinder (8) piston output first push mouthful (102),
Described first pushes mouthful (102) layout corresponding to pumping discharging opening (9);
Described S cast pumping distributing valve (11) comprises S shape bend pipe (112), orders about hydraulic-driven tilt cylinder (113) and two second propelling movements mouthful (111) that described S shape bend pipe (112) radially rotates,
Two described second push mouthful (111) be connected with respectively one group described in pusher oil cylinder (8),
The first end of described S shape bend pipe (112) connects described pumping discharging opening (9),
The second end of described S shape bend pipe (112) connects two the described second one of pushing in mouthful (111),
Described hydraulic-driven tilt cylinder (113) drives the second end of described S shape bend pipe (112) to push on mouthful (111) and switch at two described second.
3. agricultural transportable concrete stirring pumping machine according to claim 1, is characterized in that, described mixer (6) is rotary mixer or forced mixer.
4. agricultural transportable concrete stirring pumping machine according to claim 3, is characterized in that,
Described rotary mixer rotarilys actuate the drum rotating of described rotary mixer by the tugboat (12) of bottom,
Described tugboat (12) is connected with to drive the drive motors of described tugboat (12);
Or described tugboat (12) connects described driven unit (4) to drive described tugboat (12).
5. agricultural transportable concrete stirring pumping machine according to claim 4, it is characterized in that, described tugboat (12) outer surface is provided with to increase the rubber layer of mutual frictional force between described tugboat (12) and the cylinder of described rotary mixer.
6. agricultural transportable concrete stirring pumping machine according to claim 1, is characterized in that,
On described pumping discharging opening (9), be connected with swan neck,
Described swan neck connects described pumping discharge nozzle.
7. agricultural transportable concrete stirring pumping machine according to claim 1, is characterized in that,
Described driven unit (4) is loaded on described shaped as frame bearing chassis (2) carrying platform,
Described driven unit (4) is motor or diesel engine,
Described driven unit (4) connects and drives stirring pumping machine and described feed hopper elevating mechanism (7).
8. according to the agricultural transportable concrete stirring pumping machine described in any one in claim 1 to 7, it is characterized in that, described feed hopper elevating mechanism (7) is provided with the assembly pulley (13) in order to feed hopper lifting.
9. according to the agricultural transportable concrete stirring pumping machine described in any one in claim 1 to 7, it is characterized in that, described shaped as frame bearing chassis (2) and/or described feed hopper elevating mechanism (7) are provided with to connect the bindiny mechanism of loading machine.
10. according to the agricultural transportable concrete stirring pumping machine described in any one in claim 1 to 7, it is characterized in that,
Described shaped as frame bearing chassis (2) bottom is provided with the movable support frame (14) of vertically arranging,
Described movable support frame (14) adopts at least one in manual adjustments telescope support or hydraulically extensible support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008575.3U CN203697253U (en) | 2014-01-07 | 2014-01-07 | Agricultural mobile concrete stirring and pumping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008575.3U CN203697253U (en) | 2014-01-07 | 2014-01-07 | Agricultural mobile concrete stirring and pumping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203697253U true CN203697253U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420008575.3U Expired - Fee Related CN203697253U (en) | 2014-01-07 | 2014-01-07 | Agricultural mobile concrete stirring and pumping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203697253U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104708714A (en) * | 2015-04-02 | 2015-06-17 | 林依 | Roller-type stirring trailer pump all-in-one machine |
| CN106437161A (en) * | 2016-08-31 | 2017-02-22 | 刘祥平 | Concrete cloth device |
| CN109184214A (en) * | 2018-09-18 | 2019-01-11 | 安徽明光市瑞升机械有限公司 | A kind of concrete pump easy to remove |
-
2014
- 2014-01-07 CN CN201420008575.3U patent/CN203697253U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104708714A (en) * | 2015-04-02 | 2015-06-17 | 林依 | Roller-type stirring trailer pump all-in-one machine |
| CN106437161A (en) * | 2016-08-31 | 2017-02-22 | 刘祥平 | Concrete cloth device |
| CN109184214A (en) * | 2018-09-18 | 2019-01-11 | 安徽明光市瑞升机械有限公司 | A kind of concrete pump easy to remove |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20170107 |