CN207551416U - A kind of ground delivery pump - Google Patents
A kind of ground delivery pump Download PDFInfo
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- CN207551416U CN207551416U CN201721681095.3U CN201721681095U CN207551416U CN 207551416 U CN207551416 U CN 207551416U CN 201721681095 U CN201721681095 U CN 201721681095U CN 207551416 U CN207551416 U CN 207551416U
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Abstract
The utility model provides a kind of ground delivery pump, in particular for the ground delivery pump that there is the food material of certain viscosity to convey, including feed arrangement, the face-pumping pump housing, driving motor, further include the cylinder mechanism being arranged between feed arrangement and ground face-pumping, rotating element is provided in the pump housing, the feed arrangement is connected with drum box, drum box is connected with pump housing case, driving motor is driven roller and the pump housing by sprocket gear transmission system, and the cylinder mechanism can be two roll forms or four roll forms.The utility model additionally provides the method for carrying out material conveying using the ground delivery pump, this method passes through before material is delivered to impeller pump, first pass through cylinder mechanism, material institute bubbles, air are effectively excluded, and it can be transported in the pump housing with stabilized speed, material can be avoided to pollute in the pump housing, be discharged the pump housing later, be delivered to next processing mechanism.
Description
Technical field
The utility model belongs to food package field, and in particular to one kind conveys for food material, especially band
There is the ground delivery pump of the food material conveying of certain viscosity.
Background technology
In food processing process, it usually needs to liquid or the food feed liquid with viscosity conveys, and such feed liquid is past
Toward there are complicated rheological properties or itself there is corrosivity, perishable, there is certain special want to conveying equipment
It asks.It is presently used for conveying liquid or the food feed liquid with certain viscosity mainly uses sanitary pump class device, mainly there is centrifugal pump
The form of the pumps such as (vane type oil pump), screw pump, gear pump (rotary pump), plunger pump (reciprocating pump).Centrifugal pump is chiefly used in liquid
Body material or the material compared with low-viscosity, and for the higher food material of viscosity or the slurry with certain solid material it is defeated
It send, then mostly using impeller pump, such as single-screw (single screw) pump, Quimby pump, multi screwpump, gear pump, lobe pump etc..
However, these types pump used in the prior art carries out food material conveying, have the following problems：Food material leads to
Conveying device such as hopper, feed inlet is crossed to be directly entered in pump, it is unstable to lead to the problem of feed, and material often with air together
Into in pump, cause to contain air in the material transmitted in pump, in turn result in pollution of the material in transmission process；Secondly, ground
The part design of face-pumping does not allow easy to clean and easy adhesion material.To realize the stable material-supplying of food feed liquid, preventing material from transmitting
Pollution in the process improves food sanitation and safety grade, and realizes easy to clean, raising work and production efficiency, and design is a kind of
The novel food that can realize above-mentioned technique effect conveying ground face-pumping has great importance.
Utility model content
In view of the defects existing in the prior art, the utility model provides a kind of new food conveying ground face-pumping, described
Ground face-pumping can not only realize stable material-supplying, and the technique effect for preventing material from polluting can also improve production and working efficiency.
The utility model is achieved through the following technical solutions：
A kind of ground delivery pump including feed arrangement, the ground delivery pump pump housing, driving motor, further includes and is arranged on charging
Cylinder mechanism between device and the ground delivery pump pump housing, cylinder mechanism are arranged in drum box, and the ground face-pumping pump housing is arranged on pump
In body case, rotating element is provided in the pump housing, the feed arrangement 1 is connected with drum box, and drum box is connected with pump housing case
Connect, driving motor by transmission device and cylinder mechanism, the face-pumping pump housing connect.
Further, the cylinder mechanism could be provided as double drum type, is made of two rollers, is formed between roller
Certain roll spacing, gap very little between roller and drum box；Roller is mounted on by drum drive axis on drum box.
Further, the transmission device is sprocket gear transmission system, by the first chain being arranged on driving motor
Wheel is arranged on the second sprocket wheel on one of drum drive axis of two rollers, first gear, is arranged on another drum drive
Second gear on axis, duplex chain wheel front-wheel, trailing wheel and the pump housing gear composition being arranged on pump housing armature spindle；First sprocket wheel leads to
It crosses chain to connect with duplex chain wheel front-wheel, duplex chain wheel trailing wheel is connect by chain with the second sprocket wheel, first gear and the second tooth
It takes turns engaged.
The cylinder mechanism may be set to be four drum-types, is made of four rollers, roller is installed by transmission shaft
On drum box；Two rollers of one of which are arranged on roller upper box part, and two rollers of another set are arranged on roller lower box part,
Material passes through among every group of two rollers, and material is sticky semifluid shape, to object during being rotated down per series cylinder
Material provides a downward pressure, ensures that material smoothly enters impeller pump, the phenomenon that without middle phantom；Top two
Roll spacing between a roller is bigger than the roll spacing between following two roller, and the pressure that material is formed is incremented by layer by layer in this way, until
Impeller pump.
Further, the transmission device is sprocket gear transmission system, by the third chain being arranged on driving motor
Wheel, the 4th sprocket wheel, the 5th sprocket wheel and the third gear being arranged on the one of drum drive axis of roller, another drum drive
The 7th sprocket wheel, the 4th gear on axis and the 6th sprocket wheel on other two drum drive axis, the 8th sprocket wheel and setting
Duplex chain wheel front-wheel, trailing wheel and pump housing gear composition on pump housing armature spindle；Before third sprocket wheel is by chain and duplex chain wheel
Wheel connection, duplex chain wheel trailing wheel connect by chain with the 4th sprocket wheel, third gear and the 4th engaged gears, the 5th sprocket wheel, the
Six sprocket wheels are connected by chain, and the 7th sprocket wheel, the 8th sprocket wheel are connected by chain.
Further, the rotating element in above-mentioned its pump housing of ground delivery pump is rotor, and each rotor is leaf
Valve type rotor, blade are fan-shaped two-piece type impeller, and two rotors are separately mounted on two armature spindles, pass through two armature spindle bands
Turn is moved.
Further, the gap between the surface of revolution and cylinder box of the roller is 1-2mm.
Further, the blade surface of revolution of the impeller covers 19 with pump housing case, blade both ends and seal case and pump
Gap between side plate is 0.3-0.5mm.
Further, the length of blade can be 80mm or 50mm, and preferably 50mm is selected when displacement requirements are larger
80mm。
Further, the ground delivery pump roller chamber interior wall is assembled without dead angle, roller with shaft head seal, prevents product
Into in roller；Ground pump rotor sealing is V-seal mode.
Further, the ground impeller of pump, cylinder box are SUS304 stainless steels, and the roller is nylon.
A kind of method that material conveying is carried out using any of the above ground delivery pump, is included the following steps：
(1) start driving motor, material is put into from feed arrangement；
(2) driving motor drives ground delivery pump pump housing impeller and roller to be rotated by sprocket gear transmission system；
The material being transported in drum box is moved to roller lower box part, enters pump housing case, and in the process, material passes through between roller
The extruding of roll spacing, extra air is extruded away in the middle, also, roller is pressurized in the process to impeller pump, will be in material
Bubble discharge, meanwhile, material pass through roller after, due to roller roll speed stablize so that material can with stable speed into
Enter into pump housing case；
(3) after material enters pump housing case, under the transmission of the fan-shaped two-piece type impeller of birotor pump, as rotor rotates,
By the gap between impeller and pump case by outside material excavationg pump, it is transported to next processing mechanism.
Further, the speed of the pump housing rotor uses variable frequency adjustment, can easily control the discharge rate of ground face-pumping；
The part contacted with material uses food grade materials, it is possible to prevente effectively from material pollutes.
The utility model can realize following technique effect：
(1) in the pump installation of ground be provided with cylinder mechanism so that material put into from feed arrangement, into the pump housing it
Before, cylinder mechanism is first passed through, material passes through the extruding of roll spacing between roller, and extra air is extruded away in the middle, also, rolls
Cylinder is pressurized in the process to impeller pump, and the bubble in material is discharged, meanwhile, material passes through after roller, since roller rolls
Speed is stablized so that material can be entered with stable speed in pump housing case.
(2) the rotor design simple shape in the pump housing, is readily disassembled and cleans, and the agitaion of feed liquid is also compared
Small, the influence to feed liquid is smaller, more suitable the problems such as being conducive to avoid that feed liquid caused by the excessive agitation of feed liquid is polluted, gone bad
For the conveying of the higher food feed liquid of stickiness.
Description of the drawings
Fig. 1 is two drum-type ground delivery pump structure schematic diagram of the utility model ground delivery pump；
Fig. 2 is two drum-type ground delivery pump structure vertical section schematic diagrams；
Fig. 3 is four drum-type ground delivery pump structure schematic diagrames；
Fig. 4 is four drum-type ground delivery pump structure vertical section schematic diagrams；
Fig. 5 is ground delivery pump pump housing schematic cross section；
In figure：1- feed arrangements, 2- driving motors, 3- pedestals, 4- drum boxs, 5- pump housing casees, 6- discharge ports, 7- pump housing teeth
Roller box, 8- drum drive axis, 9- drum drive axis, 10- pump housing armature spindles, 11- rollers, the 12- ground delivery pump pump housing, 13- rollings
Cylinder transmission shaft, 14- drum drive axis, 15- pump housing armature spindles, 16- pump housing gears, 17- impellers, the pump rotor sealing of 18- ground
Case, 19- pump covers, the first sprocket wheels of A-, the second sprocket wheels of C1-, D- first gears, E- second gears, B1- duplex chain wheel front-wheels, B2- are bis-
Row chain wheel trailing wheel, F- third sprocket wheels, the 4th sprocket wheels of G1-, the 5th sprocket wheels of G2-, G- third gears, the 7th sprocket wheels of H1-, the 4th teeth of H-
Wheel, the 6th sprocket wheels of I-, the 8th sprocket wheels of J-, K1- duplex chain wheel front-wheels, K2- duplex chain wheel trailing wheels
Specific embodiment
Below in conjunction with the accompanying drawings, the technical solution of the utility model is further expalined and illustrated.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 5, a kind of ground delivery pump, including feed arrangement 1, the ground delivery pump pump housing 12, driving
Motor 2, further includes the cylinder mechanism being arranged between feed arrangement 1 and the ground delivery pump pump housing 12, and cylinder mechanism is arranged on rolling
In cylinder case 4, the ground delivery pump pump housing 12 is arranged in pump housing case 5, and rotating element, the feed arrangement 1 are provided in the pump housing
It is connected with drum box 4, drum box 4 is connected with pump housing case 5, and driving motor 2 passes through sprocket gear transmission system and roller machine
Structure, the ground delivery pump pump housing 12 connect.
The cylinder mechanism is double drum type, is made of two rollers, forms certain roll spacing between roller, roller with
Gap very little between drum box；Roller is mounted on by drum drive axis on drum box 4, specially：Roller one end and drum box
Lid is connected by slide bushing, and the other end is fixedly connected with drum drive axis, roller is driven to rotate by drum drive axis, roller
Transmission shaft is connect by bearing with drum box.
The transmission device is sprocket gear transmission system, by the first sprocket wheel A being arranged on driving motor 2, setting
The second sprocket wheel C1, first gear D on one of drum drive axis 8 of two rollers, are arranged on another drum drive axis 9
On second gear E, duplex chain wheel front-wheel B1, trailing wheel B2 and the pump housing gear 16 being arranged on pump housing armature spindle 10 form；The
One sprocket wheel A is connect by chain with duplex chain wheel front-wheel B1, and duplex chain wheel trailing wheel B2 is connect by chain with the second sprocket wheel C1, the
One gear D and second gear E are engaged.
12 dynamic elements are rotor in the delivery pump pump housing of ground, and each rotor is flap type rotor, and blade is sector
Two-piece type impeller, two impellers are separately mounted on two pump housing armature spindles 10,15, and rotation is driven by two armature spindles,
In a roots rotor axis stretch out pump housing gear-box 7, top installation duplex chain wheel B1, B2 are equipped with respectively on two roots rotor axis 10,15
One pump housing gear 16, two gears are engaged, and duplex chain wheel B1, B2 drive a roots rotor shaft rotation to move, and in pump housing gear
Another roots rotor shaft rotation is driven to move by gear in case, so as to drive two wheel rotations.
To ensure the efficiency of material transferring, and avoid the stream damage during material transferring, the accuracy Design of each machinery
For：Gap between the roller surface of revolution and cylinder box is 1-2mm；The blade surface of revolution of the impeller and pump housing case, blade
Gap between both ends and seal case 18 and pump 19 side plates of cover is 0.3- 0.5mm；The length of blade 50mm.
It is similarly the efficiency for ensureing material transferring and prevents loss of material, and roller is readily cleaned, the ground
Roller chamber interior wall is pumped without dead angle, the mounting hole of roller keeps concentric on the roller sealing shroud mounting hole, outer panel on interior plate；Rolling
Two spindle noses of son keep concentric, and the sealing of roller and two spindle noses is assembled, and prevents product from entering in roller；Ground pump rotor axis is close
It seals as V-seal mode.
Further, to ensure food sanitation and safety, ground impeller of pump, the drum box being in direct contact with food feed liquid
Body, interior plate, outer panel and outer cover and chassis are made of SUS304 stainless steels, and the roller is made of nylon.
The method for carrying out material conveying using the ground delivery pump of the utility model, includes the following steps：
(1) start driving motor 2, material, such as standard sausages, breaded fish stick, glutinous rice dough, beans are put into from feed arrangement 1
Filling, beans sauce etc.；
(2) the first sprocket wheel A is driven to rotate by driving motor 2, the first sprocket wheel A passes through double on chain-driving pump housing transmission shaft
Row chain wheel front-wheel B1 is rotated, and trailing wheel B2 is rotated by the second sprocket wheel of chain-driving C1, and duplex chain wheel front-wheel B1, trailing wheel B2 are simultaneously
Impeller is rotated, specially：Two impellers are separately mounted on two pump housing armature spindles 10,15, pass through two pump housings
Armature spindle drives rotation, wherein a roots rotor axis 10 stretches out pump housing gear-box 7, top installation duplex chain wheel B1, B2, two roots rotors
There are one pump housing gears 16 for peace respectively on axis 10,15, and two gears are engaged, and duplex chain wheel B1, B2 drive a pump housing to turn
Sub- axis 10 rotates, and another pump housing armature spindle 15 is driven to rotate by gear in pump housing gear-box 7, so as to drive two
Wheel rotation.
When second sprocket wheel C1 is rotated, since first gear D and second gear E are engaged, so as to drive two rollers same
When rotate.The rotation of roller is so that the material being transported in drum box moves to roller lower box part by roller, enters the pump housing
Case, in the process, roller rotate down, and have downward pressure to material, play the role of auxiliary feed, while can carry-over
Air in material, and roller is pressurized in the process to impeller pump, it helps the bubble in material is discharged, also, material
After roller, stablize since roller rolls speed so that material can be entered with stable speed in pump housing case, contribute to reality
Existing stable material-supplying；It pressurizes, the gas carried secretly in material can be squeezed out to material when roller squeezes material.
(3) after material enters pump housing case 5, under the transmission of the fan-shaped two-piece type impeller of birotor pump, as rotor rotates,
By the gap between impeller and pump case by material by 6 excavationg pump of discharge port outside, be transported to next processing mechanism, for example, row
It is outer rear into conveying pipeline to go out pump, pump on machine is delivered to by conveying pipeline and is measured.
Further, the speed of the pump housing rotor uses variable frequency adjustment, can easily control the discharge rate of ground face-pumping；
The part contacted with material uses food grade materials, it is possible to prevente effectively from material pollutes.
Embodiment 2
As shown in Fig. 3, Fig. 4, Fig. 5, compared with Example 1, the difference lies in the rollings for the present embodiment technical solution
Cylinder mechanism is four drum-types, is made of four rollers, and roller is mounted on by transmission shaft on drum box；Two rollers of one of which
The top of drum box 4 is arranged on, two rollers of another set are arranged on its underpart；Roll spacing between the roller of two, top is than following
Roll spacing between two rollers is big.
Further, the transmission device of the four drum-type ground delivery pumps is sprocket gear transmission system, by setting
Third sprocket wheel F on driving motor 2, the 4th sprocket wheel G1, the 5th sprocket wheel being arranged on the one of drum drive axis 8 of roller
G2 and third gear G, the 7th sprocket wheel H1, the 4th gear H and other two drum drive on another drum drive axis 9
The 6th sprocket wheel I, the 8th sprocket wheel J on axis 13,14 and duplex chain wheel front-wheel K1, the trailing wheel being arranged on pump housing armature spindle 10
K2 and pump housing gear 16 form；Third sprocket wheel F is connect by chain with duplex chain wheel front-wheel K1, and duplex chain wheel trailing wheel K2 passes through
Chain is connect with the 4th sprocket wheel G1, and third gear G is engaged with the 4th gear H, and the 5th sprocket wheel G2, the 6th sprocket wheel I are connected by chain
It connects, the 7th sprocket wheel H1, the 8th sprocket wheel J are connected by chain.
The method for carrying out material conveying using the ground delivery pump of the utility model, includes the following steps：
(1) start driving motor 2, material is put into from feed arrangement 1, especially convey the high food material of viscosity for example
Discharge rate is big, the rectangular ham of thick item, chestnut year custard, bean curd, Hamburg steak；
(2) it is rotated by driving motor 2 with third sprocket wheel F, third sprocket wheel F is turned by chain-driving duplex chain wheel front-wheel K1
Dynamic, trailing wheel K2 is rotated by the 4th sprocket wheel G1 of chain-driving, duplex chain wheel front-wheel K1, trailing wheel K2 simultaneously also impeller 17 into
Row rotation, specially：Two impellers 17 are separately mounted on two pump housing armature spindles 10,15, pass through two armature spindle band turns
Dynamic, wherein a roots rotor axis 10 stretches out pump housing gear-box 7, top is installed duplex chain wheel K1, K2, is divided on two roots rotor axis 10,15
An not be there are one pump housing gear 16, two gears are engaged, and duplex chain wheel K1, K2 drive a roots rotor axis 10 to rotate, and
Another roots rotor axis 15 is driven to rotate by gear in pump housing gear-box 7, so as to drive two wheel rotations；4th sprocket wheel G1 turns
When dynamic, since third gear G and the 4th gear H are engaged, common rotation, so as to which two rollers be driven to rotate simultaneously；Simultaneously
5th sprocket wheel G2, the 7th sprocket wheel H1 are rotated by chain-driving sprocket wheel I, J, to reach four rollers and impeller pump while rotate
Effect.
The rotation of roller is so that the material being transported in drum box moves to roller lower box part by roller, enters pump
Body case, in the process, material pass through among every group of two rollers, and material is sticky semifluid shape, downward per series cylinder
A downward pressure is provided during rotation to material, plays the role of auxiliary feed, ensures that material smoothly enters and turns
Son pump, the phenomenon that without middle phantom, while can take the air in material out of；Roll spacing ratio between the roller of two, top
Roll spacing between following two roller is big, the pressure that material is formed is incremented by layer by layer in this way, until impeller pump, contributes to material
In bubble discharge；Also, material passes through after roller, stablizes since roller rolls speed so that material can be with stable speed
It enters in pump housing case, helps to realize stable material-supplying；It pressurizes when roller squeezes material to material, it can be by material
The gas of interior entrainment squeezes out.
(3) after material enters pump housing case, under the transmission of the fan-shaped two-piece type impeller of birotor pump, as rotor rotates,
By the gap between impeller and pump case by material by 6 excavationg pump of discharge port outside, be transported to next processing mechanism, for example, row
It is outer rear into conveying pipeline to go out pump, pump on machine is delivered to by conveying pipeline and is measured.
Four-roller pump is for the environment with some solid particles in viscosity higher and material, such as the ham sausage with meat particle
The conveying of material.
For those skilled in the art, under the premise of the utility model structure is not departed from, if can also make
Dry modification and improvement, these should also be considered as the scope of protection of the utility model, these all do not interfere with the utility model implementation
Effect and practical applicability.
Claims (9)
1. a kind of ground delivery pump, including feed arrangement (1), the ground delivery pump pump housing (12), driving motor (2), feature exists
In：The cylinder mechanism being arranged between feed arrangement (1) and the ground delivery pump pump housing (12) is further included, cylinder mechanism is arranged on rolling
In cylinder case (4), the ground delivery pump pump housing (12) is arranged in pump housing case (5), and rotation is provided in the ground delivery pump pump housing (12)
Element, the feed arrangement (1) are connected with drum box (4), and drum box (4) is connected with pump housing case (5), driving motor
(2) it is connect by transmission device with cylinder mechanism, the ground delivery pump pump housing (12), drives cylinder mechanism, the rotation of pump housing rotor.
2. ground delivery pump as described in claim 1, it is characterised in that：The cylinder mechanism is double drum type, by two
Roller forms, and roller is mounted on by drum drive axis on drum box (4).
3. ground delivery pump as claimed in claim 2, it is characterised in that：The transmission device is sprocket gear power train
System, by the first sprocket wheel (A) being arranged on driving motor (2), is arranged on one of drum drive axis (8) of two rollers
Second sprocket wheel (C1), first gear (D), the second gear (E) being arranged on another drum drive axis (9), are arranged on the pump housing
Duplex chain wheel front-wheel (B1), trailing wheel (B2) and pump housing gear (16) composition on armature spindle (10)；First sprocket wheel (A) passes through chain
It is connect with duplex chain wheel front-wheel (B1), duplex chain wheel trailing wheel (B2) is connect by chain with the second sprocket wheel (C1), first gear (D)
It is engaged with second gear (E).
4. ground as described in claim 1 delivery pump, it is characterised in that：The cylinder mechanism is four drum-types, by four
Roller forms, and is mounted on drum box (4) by transmission shaft, and two of which roller is arranged on drum box (4) top, other two
Roller is arranged on drum box (4) lower part, and the roll spacing between the roller of two, top is bigger than the roll spacing between following two roller.
5. ground delivery pump as claimed in claim 4, it is characterised in that：The transmission device is sprocket gear power train
System, by the third sprocket wheel (F) being arranged on driving motor (2), the 4th be arranged on the one of drum drive axis (8) of roller
Sprocket wheel (G1), the 5th sprocket wheel (G2) and third gear (G), the 7th sprocket wheel (H1), the 4th tooth on another drum drive axis (9)
Wheel (H) and the 6th sprocket wheel (I) on other two drum drive axis (13), (14), the 8th sprocket wheel (J) and it is arranged on pump
Duplex chain wheel front-wheel (K1), trailing wheel (K2) and pump housing gear (16) composition on body armature spindle (10)；Third sprocket wheel (F) passes through chain
Item is connect with duplex chain wheel front-wheel (K1), and duplex chain wheel trailing wheel (K2) is connect by chain with the 4th sprocket wheel (G1), third gear
(G) it is engaged with the 4th gear (H), the 5th sprocket wheel (G2), the 6th sprocket wheel (I) are connected by chain, the 7th sprocket wheel (H1), the 8th chain
Wheel (J) is connected by chain.
6. such as claim 1-5 any one of them ground delivery pump, it is characterised in that：The ground delivery pump pump housing (12)
Interior rotating element is rotor, and each rotor is flap type rotor, and blade is fan-shaped two-piece type impeller, is separately mounted to
On two pump housing armature spindles (10), (15), rotation is driven by two pump housing armature spindles.
7. ground delivery pump as claimed in claim 6, it is characterised in that：Between the surface of revolution and drum box (4) of the roller
Gap be 1-2mm.
8. ground delivery pump as claimed in claim 6, it is characterised in that：The blade surface of revolution of the impeller and pump housing case
(5), the gap between blade both ends and seal case (18) and pump cover (19) side plate is 0.3-0.5mm.
9. ground delivery pump as claimed in claim 6, it is characterised in that：The length of blade 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721681095.3U CN207551416U (en) | 2017-12-06 | 2017-12-06 | A kind of ground delivery pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721681095.3U CN207551416U (en) | 2017-12-06 | 2017-12-06 | A kind of ground delivery pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207551416U true CN207551416U (en) | 2018-06-29 |
Family
ID=62665145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721681095.3U Active CN207551416U (en) | 2017-12-06 | 2017-12-06 | A kind of ground delivery pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207551416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107867569A (en) * | 2017-12-06 | 2018-04-03 | 北京航天东方科技发展有限公司 | A kind of ground delivery pump and a kind of material conveying method |
-
2017
- 2017-12-06 CN CN201721681095.3U patent/CN207551416U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107867569A (en) * | 2017-12-06 | 2018-04-03 | 北京航天东方科技发展有限公司 | A kind of ground delivery pump and a kind of material conveying method |
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