CN109051814B - Cold chain logistics pipeline transportation buffer system - Google Patents
Cold chain logistics pipeline transportation buffer system Download PDFInfo
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- CN109051814B CN109051814B CN201811043693.7A CN201811043693A CN109051814B CN 109051814 B CN109051814 B CN 109051814B CN 201811043693 A CN201811043693 A CN 201811043693A CN 109051814 B CN109051814 B CN 109051814B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
- B65G51/04—Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems
- B65G51/26—Stations
- B65G51/30—Stations for delivery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
- B65G51/04—Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems
- B65G51/20—Braking arrangements
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention discloses a cold chain logistics pipeline transportation buffer system, which is characterized by comprising: a cold chain transfer duct (5) configured as a guide channel of a cold chain conveyor (2); a cold chain conveyor (2) which runs in the cold chain transmission pipeline (5), wherein a cold chain cargo hold is arranged in the cold chain conveyor, and the cold chain cargo hold is loaded with cold chain cargos; and the receiving buffer device (1) is positioned at the end part of the cold chain transmission pipeline (5) and is at least provided with the electromagnetic mutual exclusion device with the same magnetic pole to perform deceleration buffer on the cold chain conveyor (2). The invention breaks through the limitation of the fluid pipeline, realizes the pipeline transmission of cold chain cargoes, and further realizes single or multiple deceleration buffering in the pipeline transportation process and/or the pipeline final receiving process.
Description
Technical Field
The invention belongs to the field of cold chain logistics, and particularly relates to a pipeline transportation buffer system for cold chain logistics.
Background
The rapid development of modern logistics technology brings convenience to the life of people, and meanwhile, the diversified demands of people also promote the progress of the existing logistics technology and the birth of novel logistics technology, such as cold chain logistics technology. Cold chain logistics means that the functions of transportation, storage, loading, unloading, transportation, packaging, circulation processing, distribution, information processing and the like are organically combined in the process of solid flow of frozen articles from a supply place to a receiving place. The application range of the cold chain logistics comprises: primary agricultural products (vegetables, fruits; meat, fowl, eggs; aquatic products, floral products), processed foods (quick frozen foods, cooked foods packaged with fowl, meat, aquatic products, etc., ice cream and milk products, chocolate), snack raw materials, special goods (medicines, blood, biochemical agents, human organs), and the like. Therefore, the system has higher and more complex requirements than the common normal-temperature logistics system, has much larger construction investment, is a huge system engineering, has higher organization coordination of all links of the cold chain, and is always associated with energy consumption cost in the operation of the cold chain logistics.
The currently prevailing cold chain transportation formats include: air, sea, rail, road, etc. In the traditional transportation modes, the logistics transportation network is huge, the transportation steps are complicated, a plurality of procedures are needed, the labor intensity is high, the effect is poor, the transportation is easy to damage and error, the transportation environment is unstable, the transportation process has a plurality of influencing factors, the transportation process is easily influenced by traffic jams, rain and snow weather and the like, the management and control are difficult, the temperature, humidity and heat exchange are not easy to control, and the tail gas emission pollutes the environment and has high energy consumption.
Although in the field of gas-liquid transportation, there are also pipelines as media, such as existing city tap water, heating, gas, petroleum and natural gas transportation pipelines, sewage pipelines, etc. However, the pipeline can only transport fluid substances such as gas and liquid, and cannot meet the transportation requirement of solid goods.
At present, pipeline logistics conveying systems for solid cargoes are mostly limited to concepts and envisaged proposals, the pipeline logistics system for the solid cargoes relates to a plurality of fields of mechanical manufacture, power transmission, automatic control technology, civil engineering construction and the like, the implementation of the pipeline logistics conveying systems for the solid cargoes has quite high requirements on technology, organization and investment, and a plurality of problems of realizing pipeline logistics conveying for the solid cargoes are not solved yet, including pretreatment or preprocessing of the solid cargoes, continuous solid cargoes throwing into pipelines, allocation of conveying power, recycling and reutilization of conveying carriers and the like.
Furthermore, in the field of cold chain logistics, no related report on a pipeline transportation mode is found; in the traditional pipeline transportation field, related applications in the cold chain logistics field are never seen, and the problems of buffering and the like in the pipeline transportation of the cold chain logistics are not ever involved. The applicant provides a cold chain logistics pipeline transportation mode and a cold chain logistics pipeline transportation buffer system for the first time, and aims to solve the long-term problems faced by cold chain logistics by utilizing the advantage of pipeline transportation.
Disclosure of Invention
In order to at least one of the defects or the improvement demands of the prior art, the invention provides a cold chain logistics pipeline transportation buffer system, breaks through the limitation of a fluid pipeline, realizes the pipeline transportation of cold chain cargoes, and further realizes single or multiple deceleration buffering in the pipeline transportation process and/or the pipeline end-point receiving process.
To achieve the above object, according to one aspect of the present invention, there is provided a cold chain logistics transportation buffer system comprising:
a cold chain transfer duct configured as a guide channel of a cold chain conveyor;
a cold chain conveyor running in the cold chain transmission pipeline, wherein a cold chain cargo hold is arranged in the cold chain conveyor, and the cold chain cargo hold is loaded with cold chain cargo;
and the receiving buffer device is positioned at the end part of the cold chain transmission pipeline and is at least provided with the electromagnetic mutual exclusion device with the same magnetic pole to perform deceleration buffer on the cold chain conveyor.
Preferably, the cold chain transporter comprises a first permanent magnetic disk, a second permanent magnetic disk and a cold chain transporter box; the first permanent magnetic disk and the second permanent magnetic disk are respectively arranged at the front end and the rear end of the cold chain conveyor box body, and the outer end surfaces of the two permanent magnetic disks have the same magnetic poles;
the receiving buffer device comprises an electromagnet and a buffer coil; the buffer coil is wound on the electromagnet for multiple smashing, and the buffer coil is structured so that when the buffer coil is electrified, the magnetic pole of the front end of the electromagnet, which faces one end of the cold chain conveyor, is the same as the magnetic poles of the two permanent magnet discs, and homopolar repulsion is achieved.
Preferably, the receiving buffer device is further provided with an energy-consumption magnetic speed reducing device and an elastic speed reducing device for reducing and buffering the cold chain conveyor, namely the receiving buffer device further comprises an energy-consumption magnetic sliding seat and an energy-consumption spring;
the energy-consuming spring is positioned at the front end of the electromagnet, and the energy-consuming magnetic sliding seat is positioned at the front end of the energy-consuming spring;
the outer end face of the energy-consumption magnetic sliding seat is the same as the outer end face magnetic pole of the permanent magnetic disk of the cold chain conveyer and is used for buffering the cold chain conveyer after electromagnetic deceleration.
Preferably, the receiving buffer device is further provided with a friction speed reducing device for reducing and buffering the cold chain conveyor, namely the receiving buffer device further comprises friction teeth, friction columns and friction sliding ways;
the friction teeth are positioned on the energy-consumption magnetic sliding seats, and the number of the friction teeth is a plurality of; the friction column is positioned between the energy consumption spring and the electromagnet; the friction slide ways are distributed around the cylindrical surface of the friction column and are matched with the friction teeth in a sliding friction manner.
Preferably, the cold chain logistics pipeline transportation buffer system comprises a front end speed reducing device; the front end speed reducer is positioned at a front end cold chain transmission pipeline of the receiving buffer device and is configured to speed down the cold chain conveyor before the receiving buffer device performs electromagnetic mutual exclusion speed reduction buffering on the cold chain conveyor.
Preferably, the cold chain conveyor comprises a cold chain conveyor box body which is processed by metal materials, and the cross section of the cold chain conveyor box body forms a closed loop structure;
the front end speed reducing device comprises a speed reducing coil; the deceleration coil surrounds the outer side of the wall of the cold chain transmission pipeline, is configured to generate a magnetic field in a pipeline area wrapped by the deceleration coil when the cold chain transmission pipeline is electrified, and decelerates the cold chain conveyor through electromagnetic force.
Preferably, the speed reducing coils are at least two groups, and are arranged axially back and forth along the cold chain transmission pipeline to gradually reduce the speed of the cold chain conveyor.
Preferably, the cold chain conveyor comprises a plurality of self-adaptive guide wheels, wherein the self-adaptive guide wheels are arranged at the front end and the rear end of the cold chain conveyor and uniformly distributed on the circumferential direction of the cold chain conveyor, the self-adaptive guide wheels are elastically self-adaptive and rollably supported in the cold chain transmission pipeline, and the self-adaptive guide wheels are abutted against the cold chain transmission pipeline without gaps.
Preferably, the self-adaptive guide wheel comprises a guide wheel, a flexible spring, an upper sliding cylinder and a lower sliding cylinder;
one end of the lower sliding cylinder is connected with a guide wheel shaft of the guide wheel, and the other end of the lower sliding cylinder is inserted into or sleeved with the upper sliding cylinder; the upper sliding cylinder and the lower sliding cylinder can be sleeved and slide; the flexible spring is sleeved in the upper sliding cylinder and the lower sliding cylinder or arranged in the upper sliding cylinder and the lower sliding cylinder to provide elastic support for the guide wheel.
To achieve the above object, according to another aspect of the present invention, there is also provided a cold chain logistics transportation pipeline transportation system, including the cold chain logistics transportation buffer system as described above.
The above-described preferred technical features may be combined with each other as long as they do not collide with each other.
In general, the above technical solutions conceived by the present invention have the following beneficial effects compared with the prior art:
1. in the field of cold chain logistics, the invention provides a cold chain logistics pipeline transportation buffer system, breaks through the limitation of a fluid pipeline, realizes the cold chain transportation of solid cargoes, and further realizes single or multiple deceleration buffering in the pipeline transportation process and/or the pipeline end-point receiving process; the point-to-point automatic transportation is realized through the fixed pipeline, the safety is high, the noise is low, the resistance is low, the transportation efficiency is greatly improved, and the problem of the last kilometer of the cold chain logistics is effectively solved.
2. The point-to-point pipeline transmission mode has relatively closed space, relatively constant and controllable environmental factors such as temperature, humidity and the like; the method is free from the influence of traffic jams, traffic accidents and bad weather, and has no environmental problems such as automobile exhaust, aviation waste gas, shipping pollution discharge and the like, and the total energy consumption is low.
3. According to the invention, at the receiving end part of the cold chain transmission pipeline, through the electromagnetic mutual exclusion structure of the same magnetic poles of the receiving buffer device and the cold chain conveyer, the main deceleration buffer is carried out on the cold chain conveyer in a mode without contact or hard collision, the buffer process does not damage the cold chain conveyer and the cold chain goods inside the cold chain conveyer, meanwhile, the protection effect is played on the whole cold chain logistics pipeline conveying system, particularly the receiving end structure, the safety of the cold chain pipeline conveying is further improved, and the circulating loss and repeated maintenance and replacement are avoided.
4. The invention further utilizes the structures of the energy-consumption magnetic speed reducing device and the elastic speed reducing device in the receiving buffer device to cooperate with the electromagnetic mutual exclusion buffer device to perform secondary speed reduction buffer on the cold chain conveyor in a magnetic counter force and linear elasticity mode, and utilizes the energy-consumption magnetic sliding seat and the energy-consumption spring to perform energy-consumption buffer on the low-speed cold chain conveyor, thereby enhancing the buffer effect, realizing flexible stop and avoiding hard impact.
5. According to the invention, at the receiving end of the cold chain transmission pipeline, the friction speed reducer is further structured in the receiving buffer device, and the electromagnetic mutual exclusion buffer device, the energy consumption magnetic speed reducer and the elastic speed reducer are matched, so that the cold chain conveyor is subjected to secondary speed reduction buffer in a sliding friction mode, and the low-speed cold chain conveyor is subjected to dry friction energy consumption buffer through the structural design of the energy consumption magnetic sliding seat, the friction teeth, the friction columns, the friction sliding ways and the like, so that the buffer effect is enhanced, the compression and rebound speeds of the energy consumption springs are reduced, and the impact on the conveyor is reduced.
6. The front end speed reducer is further configured outside the front end cold chain transmission pipeline at the receiving end part of the cold chain transmission pipeline, and is used for firstly reducing the speed of the high-speed cold chain conveyor by utilizing Lorentz force, and then is combined with the electromagnetic mutual exclusion buffer device, the energy consumption magnetic speed reducer, the elastic speed reducer and the friction speed reducer to buffer and stop at the tail end after the speed reduction; through the structure of multistage speed reduction coil, make the cold chain transmission pipeline region of speed reduction coil parcel produce the magnetic field after the speed reduction coil lets in the electric current, can produce induced current when utilizing cold chain transport box self metal closed loop structure to move in the magnetic field, after the cold chain conveyer moves to the speed reduction coil magnetic field, carry out multistage speed reduction to the cold chain conveyer through electromagnetic force to the impact that the buffering reached the receiving terminal.
7. Compared with the conventional pipeline container body without a roller structure and in a direct sliding friction mode, the self-adaptive guide wheel structure is adopted, so that the cold chain conveyer is elastically self-adaptive and rolling supported in the inner wall of the cold chain transmission pipeline all the time in the pipeline transportation process of the cold chain conveyer, and the self-adaptive guide wheel can be automatically telescopic and adjustable, so that the direct impact of the cold chain conveyer and the cold chain transmission pipeline can be reduced, and a good buffer effect is achieved; meanwhile, the self-adaptive guide wheel plays a role in guiding the transmission of the cold chain conveyor, so that the movement of the cold chain conveyor in a curve path is better realized, the cold chain conveyor is smoother to transmit, the cold chain conveyor is smoothly bent without dead angles, and the movement requirement of the curve path is further met; and the friction heat source is arranged far away from the cold chain cargo hold as far as possible by rolling friction instead of sliding friction, so that the influence on heat exchange of the cold chain cargo in the running process of the device is eliminated.
Drawings
FIG. 1 is a general schematic diagram of a cold chain logistics pipeline transportation buffer system of the present invention;
FIG. 2 is a schematic view of a receiving buffer of the present invention;
FIG. 3 is a schematic cross-sectional view of a receiving buffer of the present invention;
FIG. 4 is a schematic diagram of an energy-consuming magnetic sliding seat according to the present invention;
FIG. 5 is a schematic view of a cold chain conveyor of the present invention;
FIG. 6 is a schematic diagram of an adaptive stator of the present invention;
fig. 7 is a schematic diagram of a deceleration coil of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other. The present invention will be described in further detail with reference to the following embodiments.
The invention provides a cold chain logistics pipeline transportation buffer system, which is characterized in that when cold chain goods are transported in a pipeline, the transportation buffer system is used for increasing the safety and reliability of transportation because the transportation speed is high and the path is fixed, so that great impact exists in the middle process of transportation and the receiving process of the end point of the pipeline, and the quality of the transported cold chain goods is easily damaged due to the overlarge impact.
As shown in fig. 1-7, the cold chain logistics pipeline transportation buffer system comprises:
a cold chain transmission duct 5 configured as a guide channel of the cold chain conveyor 2;
a cold chain conveyor 2 operating in the cold chain transfer duct 5, the cold chain conveyor 2 having a cold chain cargo compartment built therein that carries cold chain cargo (such as, but not limited to, the types referred to in the background);
the receiving buffer device 1 is positioned at the end part of the cold chain transmission pipeline 5, and is at least provided with the electromagnetic mutual exclusion device with the same magnetic pole to perform deceleration buffer on the cold chain conveyor 2.
In the field of cold chain logistics, the invention provides a cold chain logistics pipeline transportation buffer system, breaks through the limitation of a fluid pipeline, realizes the cold chain transportation of solid cargoes, and further realizes single or multiple deceleration buffering in the pipeline transportation process and/or the pipeline end-point receiving process; the point-to-point automatic transportation is realized through the fixed pipeline, the safety is high, the noise is low, the resistance is low, the transportation efficiency is greatly improved, and the problem of the last kilometer of the cold chain logistics is effectively solved. The point-to-point pipeline transmission mode has relatively closed space, relatively constant and controllable environmental factors such as temperature, humidity and the like; the method is free from the influence of traffic jams, traffic accidents and bad weather, and has no environmental problems such as automobile exhaust, aviation waste gas, shipping pollution discharge and the like, and the total energy consumption is low.
According to the invention, at the receiving end part of the cold chain transmission pipeline, through the electromagnetic mutual exclusion structure of the same magnetic poles of the receiving buffer device and the cold chain conveyer, the main deceleration buffer is carried out on the cold chain conveyer in a mode without contact or hard collision, the buffer process does not damage the cold chain conveyer and the cold chain goods inside the cold chain conveyer, meanwhile, the protection effect is played on the whole cold chain logistics pipeline conveying system, particularly the receiving end structure, the safety of the cold chain pipeline conveying is further improved, and the circulating loss and repeated maintenance and replacement are avoided.
Specifically, as shown in fig. 2-3, the cold chain transporter 2 includes a first permanent magnet disk 201, a second permanent magnet disk 204, and a cold chain transporter tank 203; the first permanent magnetic disk 201 and the second permanent magnetic disk 204 are respectively installed at the front end and the rear end of the cold chain conveyer box 203, and are made of permanent magnets, one end of each permanent magnetic disk is round, and the magnetic poles of the outer end surfaces of the two permanent magnetic disks are the same.
The receiving buffer device 1 comprises an electromagnet 106 and a buffer coil 107; the buffer coil 107 is wound around the electromagnet 106, the buffer coil 107 is supplied with current, so that the electromagnet 106 obtains magnetism, and the magnetic pole of the electromagnet 106 is controlled by controlling the direction of the current in the buffer coil 107, so that the magnetic pole of the front end of the electromagnet 106, i.e. the magnetic pole of one end of the cold chain conveyer 2, is the same as the magnetic poles of the two permanent magnetic disks, and thus, the two permanent magnetic disks are matched with the electromagnet 106 in the receiving buffer device 1, and the cold chain conveyer is decelerated and the impact is relieved by homopolar repulsion.
As shown in fig. 2-3, the receiving buffer device 1 is further configured with an energy-consumption magnetic speed reducer and an elastic speed reducer to perform speed reduction buffering on the cold chain conveyor 2, that is, the receiving buffer device 1 further includes an energy-consumption magnetic sliding seat 101 and an energy-consumption spring 103; the energy-consumption magnetic sliding seat 101 is made of a nonmetallic material, is directly contacted with the cold chain conveyor 2, and is covered with elastic rubber on the surface; the energy-consuming spring 103 is positioned at the front end of the electromagnet 106, and the energy-consuming magnetic sliding seat 101 is positioned at the front end of the energy-consuming spring 103; the outer end face of the energy-consumption magnetic sliding seat 101 is the same as the outer end face magnetic pole of the permanent magnetic disk of the cold chain conveyer, and is used for buffering the cold chain conveyer 2 after electromagnetic deceleration. The cold chain conveyor repels the end of the pipeline when it reaches the end, so that the cold chain conveyor permanent magnet disk cannot be in full contact with the energy-consuming magnetic sliding seat 101, thereby realizing impact reduction and component loss reduction.
The invention further utilizes the structures of the energy-consumption magnetic speed reducing device and the elastic speed reducing device in the receiving buffer device to cooperate with the electromagnetic mutual exclusion buffer device to perform secondary speed reduction buffer on the cold chain conveyor in a magnetic counter force and linear elasticity mode, and utilizes the energy-consumption magnetic sliding seat and the energy-consumption spring to perform energy-consumption buffer on the low-speed cold chain conveyor, thereby enhancing the buffer effect, realizing flexible stop and avoiding hard impact.
As shown in fig. 2-4, the receiving buffer device 1 is further configured with a friction speed reducer for reducing and buffering the cold chain conveyor 2, that is, the receiving buffer device 1 further includes friction teeth 102, friction columns 104, and friction slides 105; the friction teeth 102 are positioned in the energy-consumption magnetic sliding seat 101, the number of the friction teeth is several, and the surface of the friction teeth is covered with wear-resistant materials; the friction column 104 is positioned between the energy consumption spring 103 and the electromagnet 106 and is made of a nonmetallic material, one end of the friction column is fixed on the electromagnet 106, and the energy consumption spring 103 is arranged at the other end of the friction column; the friction slide ways 105 are distributed around the cylindrical surface of the friction column 104, and are matched with the friction teeth 102 in a sliding friction manner. The energy-consumption magnetic sliding seat 101 is hollow cylindrical, sleeved outside the friction column 104 and internally provided with the energy-consumption spring 103. The receiving buffer device 1 further comprises a receiving buffer support 108 which is hollow and columnar, other components of the receiving buffer device 1 are arranged in the receiving buffer support 108, and the whole receiving buffer device 1 can be detachably connected from the cold chain transmission pipeline 5 through the receiving buffer support 108 so as to realize maintenance and repair of the device.
According to the invention, at the receiving end of the cold chain transmission pipeline, the friction speed reducer is further structured in the receiving buffer device, and the electromagnetic mutual exclusion buffer device, the energy consumption magnetic speed reducer and the elastic speed reducer are matched, so that the cold chain conveyor is subjected to secondary speed reduction buffer in a sliding friction mode, and the low-speed cold chain conveyor is subjected to dry friction energy consumption buffer through the structural design of the energy consumption magnetic sliding seat, the friction teeth, the friction columns, the friction sliding ways and the like, so that the buffer effect is enhanced, the compression and rebound speeds of the energy consumption springs are reduced, and the impact on the conveyor is reduced. As shown in fig. 1 and 7, the cold chain logistics pipeline transportation buffer system comprises a front end speed reducing device; the front end speed reduction device is located at a front end cold chain transmission pipeline 5 of the receiving buffer device 1 and is configured to reduce the speed of the cold chain conveyor 2 before the receiving buffer device 1 performs electromagnetic mutual exclusion speed reduction buffering on the cold chain conveyor 2.
Preferably, the cold chain conveyor 2 includes a cold chain conveyor housing 203, the cold chain conveyor housing 203 being formed of a metallic material, the cross section of which forms a closed loop structure, and which generates an induced current when moving in a magnetic field; the front end speed reducing device comprises a speed reducing coil 3, wherein the speed reducing coil 3 comprises a winding 301 and a coil support 302, and the beginning and end sections of the winding 301 are all arranged in the coil support 302; the winding 301 surrounds the outside of the wall of the cold chain transmission pipeline 5, and is configured to generate a magnetic field in the pipeline area wrapped by the speed reducing coil 3 when the power is on, so as to reduce the speed of the cold chain conveyor 2 through electromagnetic force. Preferably, the speed reducing coils 3 are at least two groups, and are arranged axially forward and backward along the cold chain transmission pipeline 5 to gradually reduce the speed of the cold chain conveyor 2.
The front end speed reducer is further configured outside the front end cold chain transmission pipeline at the receiving end part of the cold chain transmission pipeline, and is used for firstly reducing the speed of the high-speed cold chain conveyor by utilizing Lorentz force, and then is combined with the electromagnetic mutual exclusion buffer device, the energy consumption magnetic speed reducer, the elastic speed reducer and the friction speed reducer to buffer and stop at the tail end after the speed reduction; through the structure of multistage speed reduction coil, make the cold chain transmission pipeline region of speed reduction coil parcel produce the magnetic field after the speed reduction coil lets in the electric current, can produce induced current when utilizing cold chain transport box self metal closed loop structure to move in the magnetic field, after the cold chain conveyer moves to the speed reduction coil magnetic field, carry out multistage speed reduction to the cold chain conveyer through electromagnetic force to the impact that the buffering reached the receiving terminal.
As shown in fig. 5-6, the cold chain conveyor 2 includes a plurality of adaptive guide wheels 202, the number of the adaptive guide wheels 202 at each end is greater than or equal to 4, the adaptive guide wheels 202 are mounted at the front end and the rear end of the cold chain conveyor 2, are uniformly distributed on the circumference of the cold chain conveyor 2 and are located between the permanent magnetic disk and the conveying box 203, the adaptive guide wheels 202 are elastically adaptive and rollably supported in the cold chain conveying pipeline 5, and the adaptive guide wheels 202 are abutted against the cold chain conveying pipeline 5, and no gap exists between the two.
Preferably, the adaptive guide wheel 202 includes a guide wheel 2021, a flexible spring 2022, an upper slider 2023, and a lower slider 2024; one end of the lower slide cylinder 2024 is connected with a guide wheel shaft of the guide wheel 2021, and the other end of the lower slide cylinder 2024 is inserted into or sleeved with the upper slide cylinder 2023; the upper slide cylinder 2023 and the lower slide cylinder 2024 can be sleeved and slide; the flexible spring 2022 is sleeved on the upper sliding cylinder 2023 and the lower sliding cylinder 2024 or is arranged in the upper sliding cylinder 2023 and the lower sliding cylinder 2024 to provide elastic support for the guide wheel 2021.
Compared with the conventional pipeline container body without a roller structure and in a direct sliding friction mode, the self-adaptive guide wheel structure is adopted, so that the cold chain conveyer is elastically self-adaptive and rolling supported in the inner wall of the cold chain transmission pipeline all the time in the pipeline transportation process of the cold chain conveyer, and the self-adaptive guide wheel can be automatically telescopic and adjustable, so that the direct impact of the cold chain conveyer and the cold chain transmission pipeline can be reduced, and a good buffer effect is achieved; meanwhile, the self-adaptive guide wheel plays a role in guiding the transmission of the cold chain conveyor, so that the movement of the cold chain conveyor in a curve path is better realized, the cold chain conveyor is smoother to transmit, the cold chain conveyor is smoothly bent without dead angles, and the movement requirement of the curve path is further met; and the friction heat source is arranged far away from the cold chain cargo hold as far as possible by rolling friction instead of sliding friction, so that the influence on heat exchange of the cold chain cargo in the running process of the device is eliminated.
As shown in fig. 1, preferably, the cold chain logistics pipeline transportation buffer system further comprises a detection device 4, which is embedded on the inner wall of the cold chain transmission pipeline 5 in front of the speed reduction coil 3, and is used for detecting the passing cold chain conveyor 2, and transmitting a signal to the master controller as a signal for starting the magnetic field of the speed reduction coil 3 and the receiving buffer device 1.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. A cold chain logistics pipeline transportation buffer system, characterized in that the cold chain logistics pipeline transportation buffer system comprises:
a cold chain transfer duct (5) configured as a guide channel of a cold chain conveyor (2);
a cold chain conveyor (2) which runs in the cold chain transmission pipeline (5), wherein a cold chain cargo hold is arranged in the cold chain conveyor (2), and the cold chain cargo hold is loaded with cold chain cargos;
the cold chain transporter (2) comprises a first permanent magnetic disk (201), a second permanent magnetic disk (204) and a cold chain transporter box body (203); the first permanent magnetic disk (201) and the second permanent magnetic disk (204) are respectively arranged at the front end and the rear end of the cold chain conveyer box body (203), and the outer end surfaces of the two permanent magnetic disks have the same magnetic poles;
the receiving buffer device (1) is positioned at the end part of the cold chain transmission pipeline (5) and is at least provided with the electromagnetic mutual exclusion device with the same magnetic pole to perform deceleration buffer on the cold chain conveyor (2);
the receiving buffer device (1) comprises an electromagnet (106) and a buffer coil (107); the buffer coil (107) is wound on the electromagnet (106) for multiple smashing, and the structure is that when the buffer coil (107) is electrified, the magnetic pole of the front end of the electromagnet (106), namely one end facing the cold chain conveyor (2), is the same as the magnetic poles of the two permanent magnet discs, so that homopolar repulsion is realized;
the receiving buffer device (1) is further provided with an energy-consumption magnetic speed reducing device and an elastic speed reducing device for reducing and buffering the cold chain conveyor (2), namely the receiving buffer device (1) further comprises an energy-consumption magnetic sliding seat (101) and an energy-consumption spring (103);
the energy-consumption spring (103) is positioned at the front end of the electromagnet (106), and the energy-consumption magnetic sliding seat (101) is positioned at the front end of the energy-consumption spring (103); the outer end face of the energy-consumption magnetic sliding seat (101) is the same as the outer end face of a permanent magnetic disk of the cold chain conveyor, and is used for buffering the cold chain conveyor (2) after electromagnetic deceleration;
the receiving buffer device (1) is further provided with a friction speed reducing device for reducing and buffering the cold chain conveyor (2), namely the receiving buffer device (1) further comprises friction teeth (102), friction columns (104) and friction slide ways (105);
the friction teeth (102) are positioned in the energy-consumption magnetic sliding seat (101) in a plurality of numbers; the friction column (104) is positioned between the energy dissipation spring (103) and the electromagnet (106); the friction slide ways (105) are distributed around the cylindrical surface of the friction column (104) and are matched with the friction teeth (102) in a sliding friction manner;
the front end speed reducer is positioned at a front end cold chain transmission pipeline (5) of the receiving buffer device (1) and is configured to speed down the cold chain conveyor (2) before the receiving buffer device (1) performs electromagnetic mutual exclusion speed reduction buffering on the cold chain conveyor (2).
2. The cold chain logistics transportation buffer system of claim 1, wherein:
the cold chain conveyor (2) comprises a cold chain conveyor box body (203), wherein the cold chain conveyor box body (203) is formed by processing a metal material, and the cross section of the cold chain conveyor box body forms a closed loop structure;
the front end speed reducing device comprises a speed reducing coil (3); the deceleration coil (3) surrounds the outer side of the pipe wall of the cold chain transmission pipe (5) and is configured to generate a magnetic field in a pipe area wrapped by the deceleration coil (3) when the cold chain transmission pipe is electrified, and the cold chain conveyor (2) is decelerated through electromagnetic force.
3. The cold chain logistics transportation buffer system of claim 2, wherein:
the speed reducing coils (3) are at least two groups and are arranged along the axial direction of the cold chain transmission pipeline (5) forwards and backwards to gradually reduce the speed of the cold chain conveyor (2).
4. The cold chain logistics transportation buffer system of claim 1, wherein:
the cold chain conveyor (2) comprises a plurality of self-adaptive guide wheels (202), wherein the self-adaptive guide wheels (202) are arranged at the front end and the rear end of the cold chain conveyor (2) and uniformly distributed on the circumferential direction of the cold chain conveyor (2), the self-adaptive guide wheels (202) are elastically self-adaptive and rollably supported in the cold chain transmission pipeline (5), and the self-adaptive guide wheels (202) are abutted against the cold chain transmission pipeline (5) without gaps between the two.
5. The cold chain logistics transportation buffer system of claim 4, wherein:
the self-adaptive guide wheel (202) comprises a guide wheel (2021), a flexible spring (2022), an upper sliding cylinder (2023) and a lower sliding cylinder (2024);
one end of the lower sliding cylinder (2024) is connected with a guide wheel shaft of the guide wheel (2021), and the other end of the lower sliding cylinder is inserted into or sleeved with the upper sliding cylinder (2023); the upper sliding cylinder (2023) and the lower sliding cylinder (2024) can be sleeved and slid; the flexible spring (2022) is sleeved outside the upper sliding cylinder (2023) and the lower sliding cylinder (2024) or arranged in the upper sliding cylinder (2023) and the lower sliding cylinder (2024) to provide elastic support for the guide wheel (2021).
6. A cold chain logistics pipeline transportation system, characterized in that: a pipeline transportation buffer system comprising a cold chain stream according to any one of claims 1 to 5.
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| CN201811043693.7A CN109051814B (en) | 2018-09-07 | 2018-09-07 | Cold chain logistics pipeline transportation buffer system |
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| CN109650078A (en) * | 2019-01-09 | 2019-04-19 | 中铁第四勘察设计院集团有限公司 | A kind of the railway Cold Chain Logistics pipe-line system and method for lifting type commutation |
| CN109625983B (en) * | 2019-01-09 | 2024-05-17 | 中铁第四勘察设计院集团有限公司 | Railway cold chain logistics bidirectional parallel pipeline system and control method |
| CN113959673B (en) * | 2021-10-26 | 2022-09-06 | 中国航天空气动力技术研究院 | Shock tunnel and method for stopping heavy piston of shock tunnel by electromagnetism |
| CN115001206B (en) * | 2022-08-02 | 2022-10-21 | 常州诺权机电有限公司 | Be applied to screw rod motor of stable transportation for blood test of laboratory |
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