CN214242871U - Pneumatic conveying system with multi-stage speed reduction and container assembly - Google Patents
Pneumatic conveying system with multi-stage speed reduction and container assembly Download PDFInfo
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- CN214242871U CN214242871U CN202022863380.5U CN202022863380U CN214242871U CN 214242871 U CN214242871 U CN 214242871U CN 202022863380 U CN202022863380 U CN 202022863380U CN 214242871 U CN214242871 U CN 214242871U
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Abstract
The utility model provides a pneumatic conveying system and a container assembly with multistage speed reduction, which comprises a pneumatic transmitting device, a transmission pipeline and a receiving device, and also comprises a container assembly for storing sample tubes, wherein a power supply and a conductive rod which are connected through a wire are arranged in the container assembly, and the outer wall of the container assembly is provided with a first tile-shaped magnet; the transmission pipeline comprises a first-stage speed reduction section, a second-stage speed reduction section and a third-stage speed reduction section; the first-stage speed reduction section and the third-stage speed reduction section are both provided with a plurality of groups of pipe wall magnetic paste assemblies, and the pipe wall magnetic paste assemblies are matched with the container assemblies to realize the ampere force speed reduction of the container; the secondary speed reduction section is communicated with the fan through a pipeline and is used for realizing negative pressure speed reduction of the container. The utility model realizes three-stage speed reduction of the container assembly, achieves the effect of smooth speed reduction, and can effectively reduce the occurrence of the hemolysis phenomenon of the sample; meanwhile, the requirement on air pressure during negative pressure deceleration is reduced in the negative pressure deceleration stage, and a fan with smaller volume and lower price can be selected.
Description
Technical Field
The utility model relates to a material sample's collection system ization equipment field especially relates to a pneumatic conveying system and container subassembly that possess multistage speed reduction.
Background
A pneumatic conveying system (PTS) is used as a main mode of long-distance rapid transmission, particularly to medical pneumatic logistics transmission, and the PTS is applied to accelerate the speed of medicine transmission and clinical test specimen transmission among hospital ward areas and between the ward areas and medical technical departments, so that the sample turnover period is greatly shortened and the issuing speed of test reports is improved while the current traditional logistics situation of 'professional delivery team + trolley + multiple elevators' is distinguished.
However, in the prior art, the system has disadvantages, which are particularly indicated in that when the transmission speed is too fast, Red Blood Cells (RBC) are easily destroyed to cause hemolysis of the sample, which further affects the detection result, and when the blood gas sample is transmitted, the measurement result of the blood gas oxygen partial pressure is also affected due to too fast speed change or violent impact.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a pneumatic conveying system and container subassembly that possess multistage speed reduction.
The utility model discloses a following technical scheme realizes:
a pneumatic conveying system with multi-stage speed reduction comprises a pneumatic transmitting device, a transmission pipeline, a receiving device and a container assembly for storing sample tubes;
the transmission pipeline comprises a first-stage speed reduction section, a second-stage speed reduction section and a third-stage speed reduction section;
the first-stage speed reduction section and the third-stage speed reduction section are both provided with a plurality of groups of pipe wall magnetic paste assemblies, and the pipe wall magnetic paste assemblies are matched with the container assemblies to realize the ampere force speed reduction of the container; the secondary speed reduction section is communicated with the fan through a pipeline and is used for realizing negative pressure speed reduction of the container.
A container assembly is applied to the pneumatic conveying system with the multistage speed reduction function, a power supply and a conductive rod are arranged in the container assembly, and the conductive rod and the power supply are connected through a lead to form a closed loop;
the outer wall of the container component is provided with a magnet mounting groove, and a first tile-shaped magnet is mounted on the container component through the magnet mounting groove.
The utility model discloses an operation flow as follows: the pneumatic launching device is used for launching the container assembly provided with the sample tube, long-distance transmission is completed through the transmission pipeline, the container assembly passes through a horizontally arranged first-stage deceleration section before reaching the vertical section, and first-stage ampere force deceleration is completed through the tube wall magnetic paste assembly on the container assembly; after entering a vertical secondary deceleration section, a pipeline fan is started to form negative pressure on a transmission pipeline to finish secondary negative pressure deceleration; and when the container assembly passes through the corresponding group of pipe wall magnetic paste assemblies, the electrified conducting rod cuts the magnetic induction line when falling, so that ampere force opposite to the falling direction is generated, third-stage ampere force deceleration is completed, and finally the container assembly falls into the receiving device.
In this scheme, the sample tube is effectively wrapped up by the container subassembly, has avoided greatly to the extent owing to collide with the produced damaged condition in pneumatic transportation process. The pneumatic conveying system is used for generating negative pressure deceleration by using the fan, simultaneously, the ampere force generated when the conductive rod in the container assembly cuts the magnetic induction line in the vertical falling process is secondarily decelerated, and the first-stage ampere force in the horizontal section is decelerated, so that three-stage deceleration of the container assembly is realized, the smooth deceleration effect is achieved, and the occurrence of hemolysis can be effectively reduced; meanwhile, the magnitude of ampere force generated in the movement process can be flexibly controlled through the number of the paired pipe wall magnetic paste assemblies, the magnetic magnitude of the tile-shaped magnets on the outer wall of the container assembly and the current magnitude in the conducting rod in a superposition combination mode, and finally slow descent of a speed curve is achieved. The horizontal ampere force deceleration section is arranged before the secondary deceleration section, so that the speed of the container assembly with the sample tube can be properly reduced before entering the negative pressure deceleration section, the requirement on air pressure during negative pressure deceleration is reduced, and a fan with smaller volume and lower price can be selected.
The pneumatic conveying system with the multistage speed reduction further adopts the technical scheme that:
furthermore, the pipe wall magnetic paste assembly comprises a first pipe wall magnetic paste and a second pipe wall magnetic paste, and the first pipe wall magnetic paste and the second pipe wall magnetic paste are installed on two sides of the transmission pipeline in pairs; the first pipe wall magnetic sticker and the second pipe wall magnetic sticker are both composed of magnetic sticker belts and second tile-shaped magnets wrapped by the magnetic sticker belts, and the first pipe wall magnetic sticker and the second pipe wall magnetic sticker are connected in a lap joint mode through the magnetic sticker belts.
Through the interaction of the second tile-shaped magnet on the pipe wall magnetic paste component and the first tile-shaped magnet on the outer wall of the container component, the posture of the container component in the transmission pipeline is unique, and the influence of the centrifugal force generated by the rotation and the rise of the container component in the pipeline in the suck-back process on a sample due to overlarge negative pressure is effectively avoided.
Furthermore, the inner ring surfaces of the first pipe wall magnetic sticker and the second pipe wall magnetic sticker are embedded into the pipe wall opening of the transmission pipeline, and the diameter of the inner ring surface is larger than the inner diameter of the transmission pipeline.
The inner ring surface of the pipe wall magnetic sticker is embedded into the pipe wall opening so as to reduce the weakening of magnetism; the diameter of the inner ring surface is larger than the inner diameter of the transmission pipeline so as to prevent blocking the transportation of the container assembly.
Furthermore, the inner ring surfaces of the first pipe wall magnetic sticker and the second pipe wall magnetic sticker are provided with square holes which are uniformly distributed, and the thickness of the inner ring surface is thinner than that of the outer ring surface. The square hole and the thin inner wall are arranged to reduce the weakening of magnetism.
Furthermore, the first pipe wall magnetic paste and the second pipe wall magnetic paste are lapped by adopting a nylon hasp mode. The pipe wall magnetic paste component can be quickly fixed and detached on the wall of the pipeline by adopting a mature nylon hasp mode on the market.
Furthermore, an inclined plane is arranged in the receiving device, the inclined plane is opposite to the outlet of the transmission pipeline, and the elastic buffer is arranged on the inclined plane, so that the vibration caused by the container assembly falling into the receiving device can be reduced, and the influence on the sample is reduced.
The container assembly further adopts the technical scheme that:
further, the conductive rod is installed in the container assembly through a conductive rod installation groove, and the conductive rod installation groove is provided with a corresponding pressing plate; the power supply is mounted in the container assembly through a power supply mounting slot, which is provided with a corresponding power supply cover plate.
The power and the conductive rod are both detachably designed, so that the conductive rod and the power are convenient to disassemble, assemble and replace, and the pressing plate and the power cover plate are respectively used for pressing the conductive rod and the power to prevent the conductive rod and the power from moving.
Furthermore, the container assembly consists of a left container part and a right container part, wherein a left accommodating groove is formed in the left container part, a right accommodating groove is formed in the right container part, and the left accommodating groove and the right accommodating groove are matched for storing the sample tubes;
the power supply and the conductive rods are respectively arranged in two groups and are respectively arranged in the left part and the right part of the container; the two first tile-shaped magnets are respectively and oppositely arranged on the left part and the right part of the container.
Furthermore, four fixing grooves are formed in the left part and the right part of the container, and the magnets are fixed in the fixing grooves through screws; the left part of the container is closely connected with the right part of the container through the adsorption fit of the magnet; the left part of the container is also provided with a positioning pin, and the right part of the container is provided with a corresponding positioning hole.
The container assembly is closed through magnet adsorption, so that certain firmness can be ensured, the container assembly is prevented from being separated in pneumatic transportation, and the sample tube is convenient to take out; the accurate butt joint of container left part and container right part can be realized through the cooperation of locating pin and locating hole.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model provides a pneumatic conveying system and container subassembly that possess multistage speed reduction, container subassembly effectively wraps up the sample tube, has avoided owing to collide with produced damaged condition in pneumatic conveying process greatly to the extent.
2. The utility model provides a pneumatic conveying system and container subassembly that possess multistage speed reduction sets up horizontal ampere force section of slowing down before the second grade section of slowing down, can make the container subassembly that has the sample pipe suitably reduce at the speed before getting into the negative pressure stage of slowing down, to the requirement of atmospheric pressure when lightening the negative pressure and slowing down, can choose for use the fan that the volume is littleer, the price is lower.
3. The utility model provides a pneumatic conveying system and container subassembly that possesses multistage speed reduction when following to produce the negative pressure with the fan and slow down, through the ampere force secondary speed reduction that the conducting rod produced when vertical whereabouts in-process cutting magnetism is felt the line among the container subassembly, the first order ampere force of horizontal segment slows down in addition, has realized the tertiary speed reduction to container subassembly, reaches the effect of level and smooth speed reduction, can effectively reduce the emergence of hemolysis.
4. The utility model provides a pneumatic conveying system and container subassembly that possesses multistage speed reduction, through the electric current size in the tile shape magnet magnetism size, the conducting rod of arranging quantity, its magnetism size and the container subassembly outer wall to pipe wall magnetic paste subassembly, the stack combination can be controlled in a flexible way and produce the size of ampere force in the motion process, finally realizes the slowly falling of speed curve.
Drawings
The following drawings are included to provide a further understanding of embodiments of the invention, and are incorporated in and constitute a part of this application. In the drawings:
fig. 1 is a schematic view of an overall structure of a pneumatic conveying system with multi-stage speed reduction according to an embodiment of the present invention;
fig. 2 is a schematic view of the installation of the pipe wall magnetic patch assembly according to the embodiment of the present invention;
fig. 3 is a schematic structural view of the first pipe wall tile and the second pipe wall tile in the embodiment of the present invention;
FIG. 4 is a general schematic view of a container assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural view of the left portion of the container according to an embodiment of the present invention;
fig. 6 is a schematic structural view of the right portion of the container according to an embodiment of the present invention;
fig. 7 is a cross-sectional view of the container assembly in an embodiment of the invention;
FIG. 8 is a schematic view of a magnet according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of the power module according to an embodiment of the present invention;
the labels in the figure are respectively: 1. the device comprises a pneumatic transmitting device, 2a transmission pipeline, 2a primary speed reduction section, 2b a secondary speed reduction section, 2c a tertiary speed reduction section, 3 a receiving device, 4 a left part of a container, 5 a right part of the container, 6 a power supply, 7 a conductive rod, 8 a magnet installation groove, 9a first tile-shaped magnet, 10 a fan, 11 a conductive rod installation groove, 12 a pressing plate, 13 a power supply installation groove, 14 a power supply cover plate, 15 a fixing groove, 16 a magnet, 17 a positioning pin, 18 a positioning hole, 19a magnetic tape, 20 a second tile-shaped magnet, 21 a sample tube, 22 a left accommodating groove and 23 a right accommodating groove.
Detailed Description
The present invention is further described in detail below with reference to examples, which are provided to assist those skilled in the art to further understand the present invention, but are not intended to limit the present invention in any way. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention.
Example 1:
as shown in fig. 1 to 9, a pneumatic conveying system with multi-stage speed reduction comprises a pneumatic launching device 1, a conveying pipeline 2 and a receiving device 3, and further comprises a container assembly for storing a sample tube 21;
the transmission pipeline 2 comprises a primary speed reduction section 2a, a secondary speed reduction section 2b and a tertiary speed reduction section 2 c;
the first-stage speed reduction section 2a and the third-stage speed reduction section 2c are both provided with a plurality of groups of pipe wall magnetic paste assemblies, and the pipe wall magnetic paste assemblies are matched with the container assemblies to realize the ampere force speed reduction of the container; the secondary speed reduction section 2b is communicated with the fan 10 through a pipeline and is used for realizing the negative pressure speed reduction of the container.
Further, the pipe wall magnetic paste assembly comprises a first pipe wall magnetic paste and a second pipe wall magnetic paste, and the first pipe wall magnetic paste and the second pipe wall magnetic paste are installed on two sides of the transmission pipeline 2 in pairs;
the first pipe wall magnetic sticker and the second pipe wall magnetic sticker are composed of magnetic sticker belts 19 and second tile-shaped magnets 20 wrapped by the magnetic sticker belts 19, and the first pipe wall magnetic sticker and the second pipe wall magnetic sticker are connected in an overlapping mode through the magnetic sticker belts 19.
Further, the inner ring surfaces 19a of the first pipe wall magnetic paste and the second pipe wall magnetic paste are embedded into the pipe wall opening of the transmission pipeline 2, and the diameter of the inner ring surfaces 19a is larger than the inner diameter of the transmission pipeline 2.
Furthermore, the inner ring surfaces 19a of the first pipe wall magnetic paste and the second pipe wall magnetic paste are provided with square holes 19b which are uniformly distributed, and the thickness of the inner ring surface 19a is thinner than that of the outer ring surface 19 c.
Furthermore, the first pipe wall magnetic paste and the second pipe wall magnetic paste are lapped by adopting a nylon hasp mode.
Furthermore, an inclined plane is arranged in the receiving device 3, the inclined plane is opposite to the outlet of the transmission pipeline 2, and an elastic buffer is arranged on the inclined plane.
A container assembly is applied to the pneumatic conveying system with multi-stage speed reduction, a power supply 6 and a conductive rod 7 are arranged inside the container assembly, and the conductive rod 7 is connected with the power supply 6 through a lead to form a closed loop;
the container subassembly outer wall sets up magnet mounting groove 8, and first tile shape magnet 9 passes through magnet mounting groove 8 is installed on the container subassembly.
Further, the conductive rod 7 is installed in the container assembly through a conductive rod installation groove 11, and the conductive rod installation groove 11 is provided with a corresponding pressing plate 12;
the power supply 6 is mounted in the container assembly by means of a power supply mounting slot 13, which power supply mounting slot 13 is provided with a corresponding power supply cover plate 14.
Further, the container assembly is composed of a container left part 4 and a container right part 5, a left accommodating groove 22 is formed in the container left part 4, a right accommodating groove 23 is formed in the container right part 5, and the left accommodating groove 22 and the right accommodating groove 23 are matched for storing the sample tube 21;
two groups of power supplies 6 and conducting rods 7 are respectively arranged in the left part 4 and the right part 5 of the container; the two first tile-shaped magnets 9 are oppositely arranged on the left part 4 and the right part 5 of the container respectively.
Furthermore, four fixing grooves 15 are formed in the left container part 4 and the right container part 5, magnets 16 are fixed in the fixing grooves 15 through screws, and the left container part 4 and the right container part 5 are tightly connected through the adsorption fit of the magnets 16;
the left container part 4 is also provided with a positioning pin 17, and the right container part 5 is provided with a corresponding positioning hole 18.
The utility model discloses an operation flow as follows: the pneumatic launching device 1 is used for launching the container assembly provided with the sample tube 21, long-distance transmission is completed through the transmission pipeline 2, the container assembly firstly passes through the horizontally arranged primary deceleration section 2a before reaching the vertical section, and the first-stage ampere force deceleration is completed through the pipe wall magnetic paste assembly on the container assembly; after entering the vertical secondary deceleration section 2b, the pipeline fan 10 is started to form negative pressure on the transmission pipeline 2, and secondary negative pressure deceleration is completed; in the falling section, that is, the three-stage deceleration section 2c, when the container assembly passes through the corresponding set of pipe wall magnetic paste assemblies, the electrified conducting rod 7 cuts the magnetic induction line when falling, so that an ampere force opposite to the falling direction is generated, the third-stage ampere force deceleration is completed, and finally the container assembly falls into the receiving device 3.
The principle of vertical segment amperage deceleration as shown in fig. 1 is as follows:
assuming that the second tile-shaped magnet in the left pipe wall magnetic paste is S pole, the second tile-shaped magnet in the right pipe wall magnetic paste is N pole, and the magnetic induction line direction of the two magnets is from right to left, if the first tile-shaped magnet arranged on the outer wall of the left part 4 of the container is N pole, the first tile-shaped magnet arranged on the outer wall of the right part 5 of the container is S pole, after the container assembly is decelerated by negative pressure and passes through the paired pipe wall magnetic paste assemblies, the first tile-shaped magnets 9 on the left and right parts of the container can attract the second tile-shaped magnet 20 in the pipe wall magnetic paste assemblies, so that the container assembly cannot rotate in the falling process or the resorption process, and the posture of the container assembly in the pipeline is unique; if the current direction of the conductive rod 7 which is electrified at this time is vertical to the paper surface inwards, the ampere force generated by cutting the magnetic induction line is upward in the falling process of the conductive rod 7 along with the container assembly, namely the direction is opposite to the falling direction, and the container assembly is decelerated again through the ampere force.
Similarly, the principle of horizontal segment ampere force deceleration as shown in fig. 1 is: the second tile-shaped magnet in the upper pipe wall magnetic paste is the N pole, the second tile-shaped magnet in the pipe wall magnetic paste right below the second tile-shaped magnet is the S pole, the direction of the magnetic induction line is from top to bottom, and the first tile-shaped magnet 9 on the outer wall of the container assembly interacts with the second tile-shaped magnet 20 in the pipe wall magnet assembly, so that the posture of the container assembly is unique; at the moment, the current direction in the current-conducting rod 7 is vertical to the paper surface and faces inwards, the direction of the ampere force generated by cutting the magnetic induction lines is from right to left and is opposite to the horizontal movement direction of the container assembly, and the first-stage ampere force deceleration is realized.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A pneumatic conveying system with multi-stage speed reduction comprises a pneumatic launching device (1), a conveying pipeline (2) and a receiving device (3), and is characterized by further comprising a container assembly for storing sample tubes;
the transmission pipeline (2) comprises a primary speed reduction section (2a), a secondary speed reduction section (2b) and a tertiary speed reduction section (2 c);
a plurality of groups of pipe wall magnetic paste assemblies are arranged on the first-stage deceleration section (2a) and the third-stage deceleration section (2c), and the pipe wall magnetic paste assemblies are matched with the container assemblies to realize the ampere force deceleration of the container; the secondary speed reduction section (2b) is communicated with the fan (10) through a pipeline and is used for realizing the negative pressure speed reduction of the container.
2. The pneumatic conveying system with the multi-stage speed reduction function according to claim 1, wherein the pipe wall magnet assembly comprises a first pipe wall magnet and a second pipe wall magnet, and the first pipe wall magnet and the second pipe wall magnet are installed on two sides of the conveying pipeline (2) in pairs;
the first pipe wall magnetic sticker and the second pipe wall magnetic sticker are composed of magnetic sticker belts (19) and second tile-shaped magnets (20) wrapped by the magnetic sticker belts (19), and the first pipe wall magnetic sticker and the second pipe wall magnetic sticker are connected in an overlapping mode through the magnetic sticker belts (19).
3. The pneumatic conveying system with multi-stage speed reduction according to claim 2, wherein the inner ring faces (19a) of the first pipe wall magnet and the second pipe wall magnet are embedded into the pipe wall opening of the conveying pipeline (2), and the diameter of the inner ring faces (19a) is larger than the inner diameter of the conveying pipeline (2).
4. The pneumatic conveying system with multi-stage speed reduction according to claim 2, wherein the inner ring surfaces (19a) of the first and second pipe wall tiles are provided with square holes (19b) which are uniformly distributed, and the thickness of the inner ring surface (19a) is thinner than that of the outer ring surface (19 c).
5. The pneumatic conveying system with multi-stage speed reduction according to claim 2, wherein the first pipe wall magnet and the second pipe wall magnet are overlapped by a nylon fastener.
6. Pneumatic conveying system with multi-stage deceleration according to claim 1, characterised in that a ramp is provided in the receiving device (3), said ramp being opposite the outlet of the conveying pipe (2), and that a resilient buffer is arranged on the ramp.
7. A container assembly, which is applied to the pneumatic conveying system with multi-stage speed reduction of any one of claims 1 to 6, wherein a power supply (6) and a conductive rod (7) are arranged in the container assembly, and the conductive rod (7) is connected with the power supply (6) through a lead to form a closed loop;
the outer wall of the container component is provided with a magnet mounting groove (8), and a first tile-shaped magnet (9) is mounted on the container component through the magnet mounting groove (8).
8. A container assembly according to claim 7, characterized in that the conductor bars (7) are mounted in the container assembly by means of conductor bar mounting slots (11), which conductor bar mounting slots (11) are equipped with corresponding pressure plates (12);
the power supply (6) is mounted in the container assembly through a power supply mounting groove (13), and the power supply mounting groove (13) is provided with a corresponding power supply cover plate (14).
9. The container assembly according to claim 7, wherein the container assembly is composed of a left container part (4) and a right container part (5), wherein a left accommodating groove (22) is formed on the left container part (4), a right accommodating groove (23) is formed on the right container part (5), and the left accommodating groove (22) and the right accommodating groove (23) are matched for storing the sample tube;
two groups of power supplies (6) and two groups of conductive rods (7) are respectively arranged in the left part (4) and the right part (5) of the container; the two first tile-shaped magnets (9) are respectively oppositely arranged on the left part (4) and the right part (5) of the container.
10. A container assembly according to claim 7, characterized in that four fixation slots (15) are provided in each of the left container part (4) and the right container part (5), and that the magnets (16) are fixed in the fixation slots (15) by means of screws;
the left part (4) of the container is closely connected with the right part (5) of the container through the adsorption fit of a magnet (16); the left container part (4) is also internally provided with a positioning pin (17), and the right container part (5) is provided with a corresponding positioning hole (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202022863380.5U CN214242871U (en) | 2020-12-03 | 2020-12-03 | Pneumatic conveying system with multi-stage speed reduction and container assembly |
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| CN202022863380.5U CN214242871U (en) | 2020-12-03 | 2020-12-03 | Pneumatic conveying system with multi-stage speed reduction and container assembly |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114538109A (en) * | 2022-01-04 | 2022-05-27 | 杭州恒思特智能科技有限公司 | Receiving mechanism of pneumatic conveying device for vacuum blood collection tubes |
| CN117485904A (en) * | 2023-12-22 | 2024-02-02 | 中联重科土方机械有限公司 | Pneumatic conveying line |
| CN117550352A (en) * | 2024-01-09 | 2024-02-13 | 湖南捷工医疗科技有限公司 | Medical material conveying system based on pneumatic logistics |
-
2020
- 2020-12-03 CN CN202022863380.5U patent/CN214242871U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114538109A (en) * | 2022-01-04 | 2022-05-27 | 杭州恒思特智能科技有限公司 | Receiving mechanism of pneumatic conveying device for vacuum blood collection tubes |
| CN117485904A (en) * | 2023-12-22 | 2024-02-02 | 中联重科土方机械有限公司 | Pneumatic conveying line |
| CN117485904B (en) * | 2023-12-22 | 2024-03-22 | 中联重科土方机械有限公司 | Pneumatic conveying line |
| CN117550352A (en) * | 2024-01-09 | 2024-02-13 | 湖南捷工医疗科技有限公司 | Medical material conveying system based on pneumatic logistics |
| CN117550352B (en) * | 2024-01-09 | 2024-03-12 | 湖南捷工医疗科技有限公司 | Medical material conveying system based on pneumatic logistics |
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