CN114162468B

CN114162468B - Cold chain transportation connecting device for logistics transportation

Info

Publication number: CN114162468B
Application number: CN202111405944.3A
Authority: CN
Inventors: 谷雪; 张凯程
Original assignee: Baicheng Normal University
Current assignee: Baicheng Normal University
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2023-02-10
Anticipated expiration: 2041-11-24
Also published as: CN114162468A

Abstract

The invention discloses a cold chain transportation connecting device for logistics transportation, wherein a low-temperature maintaining assembly is arranged on the top surface of a bottom plate, an ice bag is placed in a cold storage box, a fan frame is arranged at one side of an isolation plate in a connecting frame through screws, a bottom box is connected with a top box through a plurality of heat conducting hoses, the bottom box and the top box are connected through a soaking connecting assembly, a guide rail is welded at the inner part of a sliding port, a through pipe is fixedly arranged at a position, corresponding to the sliding port, of a clamping plate in a penetrating mode, and a protective connecting assembly is arranged on the outer side of the bottom plate.

Description

Cold chain transportation connecting device for logistics transportation

Technical Field

The invention relates to the technical field of cold chain transportation, in particular to a cold chain transportation connecting device for logistics transportation.

Background

The cold chain transportation refers to the transportation that always keeps the transported goods at a certain temperature in the whole transportation process, no matter links such as loading, unloading, carrying, transportation mode changing and packaging equipment changing, and the cold chain transportation mode can be road transportation, waterway transportation, railway transportation and air transportation, and can also be a comprehensive transportation mode consisting of multiple transportation modes, and objects to be transported can be moved to another transport carrier in the transportation process of the comprehensive transportation mode, namely, the cold chain transportation is connected or continuous.

However, in the transportation process of the current comprehensive transportation mode, when a transportation carrier is changed, bacteria breeding is accelerated easily due to temperature change and deterioration is accelerated to cause loss because of overhigh external temperature and direct contact with transportation products, and the cost for installing the refrigerating device is high, and the refrigerating device is not suitable for being placed in a refrigerated carriage and is inconvenient to use.

Disclosure of Invention

The invention provides a cold chain transportation connecting device for logistics transportation, which can effectively solve the problems that in the transportation process of a comprehensive transportation mode provided in the background technology, when a transportation carrier is changed, bacteria are easy to grow and corruption is accelerated due to the change of temperature because the external temperature is overhigh and the transportation carrier is directly contacted with a transported object, so that loss is caused, the cost for installing a refrigerating device is high, and the refrigerating device is not suitable for being placed in a refrigerated carriage and is inconvenient to use.

In order to achieve the purpose, the invention provides the following technical scheme: the refrigerator comprises a bottom plate, wherein a low-temperature maintaining assembly is arranged on the top surface of the bottom plate, and comprises a refrigerating box, an ice bag, a taking-out baffle, a connecting frame, an isolating plate, a fan frame, a bottom box, a heat-conducting hose, a top box, a guide port, a limiting sliding plate, a folding baffle, a guide fan, a heat-conducting copper pipe, a connecting rod and a thermometer;

the utility model discloses a refrigerator, including cold-stored box, fan frame, connecting frame, baffle, top box, fan frame, connecting box top, baffle, fan frame, connecting box top and bottom box, cold-stored box passes through the screw and installs in bottom plate top surface middle part, cold-stored box has placed the ice bag inside, cold-stored box one side articulates there is the baffle of taking out, cold-stored box installs the link box at the top, the link box middle part has installed the division board through the screw, the link box is inside to be located division board one side department and to have installed the fan frame through the screw, the top box corresponds heat conduction hose tip position department with the bottom box and has all seted up the spigot, is located two the two heat conduction hoses that are in on same straight line in the spigot are fixed respectively and run through spacing slide both ends, and are adjacent spacing slide links to each other through folding baffle, the inside guide fan that corresponds heat conduction hose bottom department of fan frame all installs, the heat conduction hose outside has evenly slided and has cup jointed the heat conduction copper pipe, the equal welding of heat conduction copper pipe bottom both sides has connected the connecting rod, the rotation of connecting rod bottom connects adjacent heat conduction copper pipe top, top surface both ends are all run through installing the thermometer.

Preferably, the width of the isolation plate is equal to that of the connecting frame, and the top surface of the guide fan and the bottom end of the heat-conducting hose on one side of the isolation plate are close to each other.

Preferably, the top surfaces of the limiting sliding plate and the guide port are rectangular, the edge of the limiting sliding plate is perpendicular to the edge of the guide port, one side of the folding baffle plate, which is positioned at the two ends, is bonded with the two ends inside the top box, and the bottom box and the top box are identical in internal structure.

Preferably, the input end of the guide fan is electrically connected with the output end of the external power supply, a sliding groove is formed in the position, corresponding to the guide fan, of the fan frame, and two ends of the guide fan are respectively installed on two sides of the sliding groove in a sliding mode.

Preferably, the corners of the inner wall of the heat conduction copper pipe are fillets, and the inner wall of the heat conduction copper pipe is attached to the outer side of the heat conduction hose.

Preferably, the bottom box and the top box are connected through a soaking connection assembly, and the soaking connection assembly comprises a bearing plate, a sliding opening, a guide rail, a clamping plate, a containing groove, a through pipe, an end plate, a folding rod, a rotating support rod, an anti-skidding clamping strip, a heat-conducting aluminum alloy plate and an arc-shaped copper plate;

a plurality of loading board evenly distributed is between end box and STB, the bottommost the loading board passes through the mounting with screw in bottom plate top surface, the loading board top surface corresponds guide port department and has seted up the slip mouth, the inside welding of slip mouth has the guide rail, is located the guide rail of loading board both sides slides respectively and runs through splint both ends, splint both sides all have the arc copper through the screw connection, splint top surface middle part has been seted up and has been accomodate the groove, splint correspond slip mouth department fixed through installation and have run through the pipe, the equal welding at loading board top surface both ends has the end plate, and is adjacent loading board both ends both sides are all connected through the hinge folding rod, the folding rod middle part articulates there is rotation branch, loading board top surface both ends correspond rotation branch department and all have anti-skidding card strip through the mounting with screw, loading board top surface middle part is inlayed and is had heat conduction aluminum alloy plate.

Preferably, graphite powder is uniformly coated on the inner wall of the through pipe, and the outer side of the heat conduction copper pipe is matched with the through pipe.

Preferably, the bottom end of the rotating support rod is in the shape of an acute triangle, and the top surface of the anti-skid clamping strip is provided with a continuous triangular groove.

Preferably, the protection connecting assembly is installed on the outer side of the bottom plate and comprises a folding heat preservation pipe, a protection ring, a fixed round rod, a rotating round rod, a sliding ring, a top clamping frame, a universal wheel, a clamping rod, a rotating pipe, a horizontal spring, a hook rod, a vertical spring, a parallel sliding plate, an electromagnet and a battery box;

the foldable heat-preservation pipe is bonded on the outer side of the bottom plate, the outer side of the foldable heat-preservation pipe is uniformly bonded with a protective ring, one end of the bottom plate is welded with a fixed round rod, the top end of the fixed round rod is connected with a rotating round rod through a hinge, a sliding ring is welded at the position, corresponding to the rotating round rod, of the protective ring, a top clamping frame is bonded on the top end of the foldable heat-preservation pipe, and the top clamping frame is connected with a top box in a clamping mode;

the universal wheel is all installed to bottom plate bottom surface corner, the kelly has all been welded to bottom plate bottom surface both sides, the bottom plate is close to kelly department and rotates and be connected with the rotating tube, the inside bottom of rotating tube is connected with the couple pole through horizontal spring, the couple pole top surface is through a plurality of vertical spring welded connection parallel slide, the electro-magnet is installed to rotating tube middle part one side, the bottom plate mid-mounting has the battery case.

Preferably, the electromagnet input end is electrically connected with the battery box output end, the hook rod is formed by welding and combining a hook and a rectangular plate, and the end part of the hook rod is matched with the clamping rod.

Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use;

1. be provided with the low temperature and keep the subassembly, in the transportation that changes the carrier, through the ice bag cooling, and the cold air makes temperature distribution more even through heat conduction hose and the heat conduction copper pipe of interlude between the transportation article, reduce the influence of ambient temperature to the transportation article, guarantee that it is in the low temperature environment, more be favorable to the transportation, and the ice bag not with external direct contact, frozen once more in freezing transportation, the recycling, with low costs and environmental protection more.

2. Be provided with soaking coupling assembling, utilize the splint centre gripping to separate article to make temperature distribution more even through heat conduction aluminum alloy plate and arc copper, prevent local overheated and damage the transportation article, and the interval can be adjusted according to the transportation article size between the loading board, and it is more convenient to use.

3. Be provided with protection coupling assembling, through the pulling hook rod overlap joint kelly in the rotating tube, with a plurality of device built-up connections, and the junction passes through the activity of rotating tube, horizontal spring and vertical spring, makes things convenient for butt joint and the spacing adjustment of kelly and hook rod, improves the stability in the transportation, prevents to empty, convenient faster transportation.

4. Utilize the folding insulating tube that expandes to reduce the heat and run off, the guard ring prevents to strike the damage, strengthens the effect that the low temperature kept the subassembly to accomodate folding insulating tube through the runner along rotating the pole slip, it is more convenient to expand and fold, easily operation.

To sum up, the inside low temperature environment of device is maintained to the low temperature maintenance subassembly, and soaking coupling assembling has accelerated thermal exchange process for the inside temperature distribution of device is more even, has reinforceed and has kept the low temperature effect, and protection coupling assembling connects a plurality of devices combination, puts more stable and keeps the low temperature more easily, utilizes folding insulating tube to strengthen thermal-insulated heat preservation effect, reduces external disturbance, more does benefit to the invariant of long-time position temperature.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the mounting structure of the folding baffle of the present invention;

FIG. 3 is a schematic structural view of the cryogenic holding assembly of the present invention;

FIG. 4 is a schematic view of the structure of area A of FIG. 3 according to the present invention;

fig. 5 is a schematic structural view of the soaking connection assembly of the present invention;

FIG. 6 is a schematic structural view of the protective joint assembly of the present invention;

FIG. 7 is a schematic view of the structure of the area B of FIG. 6 according to the present invention;

reference numbers in the figures: 1. a base plate;

2. a low temperature maintenance assembly; 201. a cold storage box; 202. an ice bag; 203. taking out the baffle; 204. a connecting frame; 205. a separator plate; 206. a fan frame; 207. a bottom case; 208. a heat conducting hose; 209. a set-top box; 210. a guide port; 211. a limiting sliding plate; 212. folding the baffle; 213. a guide fan; 214. a heat conducting copper pipe; 215. a connecting rod; 216. a thermometer;

3. a soaking connection assembly; 301. a carrier plate; 302. a sliding port; 303. a guide rail; 304. a splint; 305. a receiving groove; 306. penetrating the pipe; 307. an end plate; 308. a folding bar; 309. rotating the supporting rod; 310. an anti-slip clamping strip; 311. a heat conductive aluminum alloy plate; 312. an arc copper plate;

4. a protective connection assembly; 401. folding the heat preservation pipe; 402. a guard ring; 403. fixing the round rod; 404. rotating the round bar; 405. a sliding ring; 406. a top clamping frame; 407. a universal wheel; 408. a clamping rod; 409. rotating the tube; 410. a horizontal spring; 411. a hook rod; 412. a vertical spring; 413. a parallel slide plate; 414. an electromagnet; 415. a battery case.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-4, the present invention provides a technical solution of a cold chain transportation connection device for logistics transportation, which includes a bottom plate 1, a low temperature maintaining assembly 2 is installed on a top surface of the bottom plate 1, and the low temperature maintaining assembly 2 includes a refrigeration box 201, an ice bag 202, a take-out baffle 203, a connection frame 204, an isolation plate 205, a fan frame 206, a bottom box 207, a heat conducting hose 208, a top box 209, a guide port 210, a limit sliding plate 211, a folding baffle 212, a guide fan 213, a heat conducting copper pipe 214, a connection rod 215, and a thermometer 216;

the refrigeration box 201 is installed in the middle of the top surface of the bottom plate 1 through screws, an ice bag 202 is placed in the refrigeration box 201, a take-out baffle plate 203 is hinged on one side of the refrigeration box 201, a connecting frame 204 is installed at the top end of the refrigeration box 201, an isolating plate 205 is installed in the middle of the connecting frame 204 through screws, a fan frame 206 is installed at one side of the isolating plate 205 in the connecting frame 204 through screws, a bottom box 207 is installed at the top end of the connecting frame 204, the bottom box 207 is connected with a top box 209 through a plurality of heat conducting hoses 208, the width of the isolating plate 205 is equal to the width of the connecting frame 204, the top surface of a guide fan 213 and the bottom end of the heat conducting hose 208 at one side of the isolating plate 205 are close to each other, so that air is fed into the heat conducting hose 208 through the guide fan 213 to drive air to flow, guide ports 210 are respectively arranged at the end positions of the heat conducting hose 208 corresponding to the top box 209 and the bottom box 207, two heat conducting hoses 208 which are positioned in the same straight line in the two guide ports 210 are respectively and fixedly penetrate through two ends of a limiting sliding plate 211, the top surfaces of the limit sliding plate 211 and the guide port 210 are rectangular, the edge of the limit sliding plate 211 is perpendicular to the edge of the guide port 210, one side of a folding baffle 212 positioned at two ends is connected with two ends inside the top box 209 in an adhering way, the internal structures of the bottom box 207 and the top box 209 are the same, cold air can flow inside the bottom box 207 and the top box 209 conveniently, the adjacent limit sliding plates 211 are connected through the folding baffle 212, the guide fans 213 are arranged inside the fan rack 206 and correspond to the bottom end of the heat conducting hose 208, the input ends of the guide fans 213 are electrically connected with the output end of an external power supply, the fan rack 206 is provided with sliding grooves corresponding to the guide fans 213, two ends of the guide fans 213 are respectively arranged at two sides of the sliding grooves in a sliding way, the guide fans 213 can be conveniently arranged, the corners 214 are evenly sleeved outside the heat conducting hose 208 in a sliding way, and the inner walls of the heat conducting copper tubes 214 are fillets, the inner wall of the heat conduction copper pipe 214 is attached to the outer side of the heat conduction hose 208, heat transfer is facilitated, connecting rods 215 are welded to two sides of the bottom end of the heat conduction copper pipe 214, the bottom end of each connecting rod 215 is rotatably connected with the top end of the adjacent heat conduction copper pipe 214, and thermometers 216 are installed at two ends of the top surface of the top box 209 in a penetrating mode.

As shown in fig. 5, the bottom box 207 and the top box 209 are connected by a soaking connection assembly 3, the soaking connection assembly 3 includes a bearing plate 301, a sliding opening 302, a guide rail 303, a clamping plate 304, a containing groove 305, a through pipe 306, an end plate 307, a folding rod 308, a rotating support rod 309, an anti-slip clamping strip 310, a heat-conducting aluminum alloy plate 311 and an arc-shaped copper plate 312;

a plurality of loading boards 301 evenly distributed between end box 207 and STB 209, bottom loading board 301 passes through the mounting screw in bottom plate 1 top surface, loading board 301 top surface corresponds guiding opening 210 department and has seted up slip mouth 302, slip mouth 302 internal weld has guide rail 303, the guide rail 303 that is located loading board 301 both sides slides respectively and runs through splint 304 both ends, splint 304 both sides all have arc copper 312 through the screw connection, splint 304 top surface middle part has been seted up and has been accomodate groove 305, splint 304 corresponds fixed the running-through pipe 306 of running-through 302 department fixed through installing, the graphite powder has evenly been paintd to the running-through pipe 306 inner wall, the heat conduction copper pipe 214 outside agrees with running-through pipe 306, be convenient for heat conduction copper pipe 214 slides inside running-through pipe 306, 301 top surface both ends all weld loading board 307, adjacent loading board 301 both ends both sides all connect through hinge folding rod 308, folding rod 308 middle part is articulated to have rotation branch 309, loading board 301 top surface both ends correspond rotation branch 309 department all installs anti-slip gib 310 through the screw, rotation branch 309 bottom is acute angle triangle-triangle, anti-slip gib 310 has been seted up to anti-triangle-slip gib 310 top surface, be convenient for rotation branch 309 support, it supports spacing aluminium alloy board 301 middle part to rotate the middle part.

As shown in fig. 6-7, a protection connecting assembly 4 is installed on the outer side of the bottom plate 1, and the protection connecting assembly 4 comprises a folding heat preservation pipe 401, a protection ring 402, a fixed round rod 403, a rotating round rod 404, a sliding ring 405, a top clamping frame 406, a universal wheel 407, a clamping rod 408, a rotating pipe 409, a horizontal spring 410, a hook rod 411, a vertical spring 412, a parallel sliding plate 413, an electromagnet 414 and a battery box 415;

the foldable heat preservation pipe 401 is bonded on the outer side of the bottom plate 1, the protective ring 402 is uniformly bonded on the outer side of the foldable heat preservation pipe 401, a fixed round rod 403 is welded at one end of the bottom plate 1, the top end of the fixed round rod 403 is connected with a rotating round rod 404 through a hinge, a sliding ring 405 is welded at the position, corresponding to the rotating round rod 404, of the protective ring 402, a top clamping frame 406 is bonded at the top end of the foldable heat preservation pipe 401, and the top clamping frame 406 is internally clamped and connected with the top box 209;

universal wheel 407 is all installed to 1 bottom surface corner of bottom plate, kelly 408 has all been welded to 1 bottom surface both sides of bottom plate, bottom plate 1 is close to kelly 408 department and rotates and is connected with rotating tube 409, the inside bottom of rotating tube 409 is connected with couple pole 411 through horizontal spring 410, the parallel slide 413 of a plurality of vertical spring 412 welded connection is passed through to couple pole 411 top surface, rotating tube 409 middle part one side installs electro-magnet 414, 1 mid-mounting of bottom plate has battery case 415, electro-magnet 414 input and battery case 415 output electrical property link to each other, couple pole 411 is formed by couple and rectangular plate welding combination, couple pole 411 tip agrees with kelly 408, it is spacing to be convenient for couple pole 411 tip joint kelly 408.

The working principle and the using process of the invention are as follows: the taking-out baffle 203 is opened, the ice bag 202 is placed in the refrigeration box 201, then the clamping plate 304 is pulled to slide along the guide rail 303 according to the size of a transported product, the rotating support rod 309 is pulled to be clamped into the top ends of different anti-skid clamping strips 310, the distance between the bearing plates 301 is changed, in the process, the heat conduction copper pipe 214 slides along the penetrating pipe 306, the heat conduction hose 208 is bent and stored in the storage groove 305, so that the heat conduction aluminum alloy plate 311 and the arc copper plate 312 are in contact with the transported product, the rotating pipe 409 positioned below the bottom plate 1 is rotated, the hook rod 411 is pulled along the rotating pipe 409, at the moment, the horizontal spring 410 and the vertical spring 412 are deformed until the hook rod 411 is hung at the clamping rod 408 of another device, the electromagnet 414 is started to adsorb the bottom surface of the iron bottom plate 1, the rotating pipe 409 is prevented from sliding randomly, the stability in the transportation process is improved, the dumping is prevented, the transportation is convenient and quick, the device is transported together with the transported product to the refrigeration transportation compartment, and at the moment, and the heat emitted by the ice bag 202 is changed into ice-like solid;

when a transport carrier needs to be changed, the rotating round rod 404 is rotated to be aligned with the fixed round rod 403, the sliding ring 405 is pulled to slide along the rotating round rod 404 until the folding heat preservation pipe 401 is unfolded, the top clamping frame 406 is clamped and fixed on the outer side of the top box 209, the guide fan 213 in the fan frame 206 is started, air cooled by the ice bag 202 is conveyed to the top box 209 through the heat conduction hose 208 on one side and blocked by the folding baffle plate 212, then enters the refrigeration box 201 from the heat conduction hose 208 on the other side to be cooled again, the circulation is repeated, the low-temperature environment is kept, and cold air passes through the heat conduction hose 208 and the heat conduction copper pipe 214 which are inserted between transported articles, and then passes through the heat transmission of the heat conduction aluminum alloy plate 311 and the arc-shaped copper plate 312, so that the temperature distribution is more uniform;

to sum up, low temperature keeps subassembly 2 to maintain the inside low temperature environment of device, and soaking coupling assembling 3 has accelerated thermal exchange process for the inside temperature distribution of device is more even, has reinforceed and has kept the low temperature effect, and protection coupling assembling 4 keeps the low temperature more easily when putting more stable, utilizes folding insulating tube 401 to strengthen thermal-insulated heat preservation effect, reduces external disturbance, more does benefit to the invariant of long-time position temperature.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a commodity circulation transmission's cold chain transportation connecting device, includes bottom plate (1), its characterized in that: the refrigerator is characterized in that a low-temperature maintaining assembly (2) is mounted on the top surface of the bottom plate (1), and the low-temperature maintaining assembly (2) comprises a refrigerating box (201), an ice bag (202), a taking-out baffle (203), a connecting frame (204), an isolating plate (205), a fan frame (206), a bottom box (207), a heat-conducting hose (208), a top box (209), a guide port (210), a limiting sliding plate (211), a folding baffle (212), a guide fan (213), a heat-conducting copper pipe (214), a connecting rod (215) and a thermometer (216);

the refrigerator is characterized in that the refrigerator box (201) is installed in the middle of the top surface of the bottom plate (1) through screws, an ice bag (202) is placed in the refrigerator box (201), a taking-out baffle (203) is hinged to one side of the refrigerator box (201), a connecting frame (204) is installed at the top end of the refrigerator box (201), an isolating plate (205) is installed in the middle of the connecting frame (204) through screws, a fan frame (206) is installed at one side, located on the isolating plate (205), of the inside of the connecting frame (204) through screws, a bottom box (207) is installed at the top end of the connecting frame (204), the bottom box (207) is connected with a top box (209) through a plurality of heat conducting hoses (208), the top box (209) and the bottom box (207) are respectively provided with guide ports (210) corresponding to the end parts of the heat conducting hoses (208), the two heat conducting hoses (208) which are positioned in the two guide ports (210) and are positioned on the same straight line are respectively and fixedly penetrated through the two ends of a limiting sliding plate (211), the adjacent limiting sliding plates (211) are connected through a folding baffle plate (212), guide fans (213) are respectively arranged in the fan frame (206) corresponding to the bottom ends of the heat conducting hoses (208), heat conducting copper pipes (214) are uniformly sleeved on the outer sides of the heat conducting hoses (208) in a sliding manner, connecting rods (215) are welded on the two sides of the bottom ends of the heat conducting copper pipes (214), the bottom end of the connecting rod (215) is rotatably connected with the top end of the adjacent heat conduction copper pipe (214), and thermometers (216) are arranged at two ends of the top surface of the top box (209) in a penetrating mode;

the bottom box (207) is connected with the top box (209) through a soaking connecting assembly (3), and the soaking connecting assembly (3) comprises a bearing plate (301), a sliding opening (302), a guide rail (303), a clamping plate (304), a containing groove (305), a through pipe (306), an end plate (307), a folding rod (308), a rotating support rod (309), an anti-skidding clamping strip (310), a heat-conducting aluminum alloy plate (311) and an arc-shaped copper plate (312);

the bearing plates (301) are uniformly distributed between a bottom box (207) and a top box (209), the bearing plate (301) at the bottommost end is mounted on the top surface of a bottom plate (1) through screws, sliding holes (302) are formed in the positions, corresponding to guide holes (210), of the top surface of the bearing plate (301), guide rails (303) are welded in the sliding holes (302), the guide rails (303) located on two sides of the bearing plate (301) respectively penetrate through two ends of a clamping plate (304) in a sliding mode, arc-shaped copper plates (312) are connected to two sides of the clamping plate (304) through screws, a storage groove (305) is formed in the middle of the top surface of the clamping plate (304), penetrating pipes (306) are fixedly installed in the positions, corresponding to the sliding holes (302), of the clamping plate (301), end plates (307) are welded to two ends of the top surface of the bearing plate (301), two adjacent two sides of two ends of the bearing plate (301) are connected through folding rods (308), a rotating support rod (309) is hinged to the middle of the folding rod (308), anti-slip support rods (309) are hinged to the two ends of the top surface of the bearing plate (301), and heat conducting aluminum alloy plates (311) are embedded in the middle of the bottom plate (301);

the protection connecting assembly (4) is installed on the outer side of the bottom plate (1), and the protection connecting assembly (4) comprises a folding heat preservation pipe (401), a protection ring (402), a fixed round rod (403), a rotating round rod (404), a sliding ring (405), a top clamping frame (406), a universal wheel (407), a clamping rod (408), a rotating pipe (409), a horizontal spring (410), a hook rod (411), a vertical spring (412), a parallel sliding plate (413), an electromagnet (414) and a battery box (415);

the foldable heat-insulation pipe (401) is bonded to the outer side of the bottom plate (1), protective rings (402) are uniformly bonded to the outer side of the foldable heat-insulation pipe (401), a fixed round rod (403) is welded at one end of the bottom plate (1), the top end of the fixed round rod (403) is connected with a rotating round rod (404) through a hinge, sliding rings (405) are welded at the positions, corresponding to the rotating round rod (404), of the protective rings (402), a top clamping frame (406) is bonded to the top end of the foldable heat-insulation pipe (401), and the top clamping frame (406) is connected with a top box (209) in a clamping mode;

universal wheel (407) are all installed to bottom plate (1) bottom surface corner, kelly (408) have all been welded to bottom plate (1) bottom surface both sides, bottom plate (1) is close to kelly (408) and locates to rotate and be connected with rotating-tube (409), the inside bottom of rotating-tube (409) is connected with couple pole (411) through horizontal spring (410), couple pole (411) top surface is through a plurality of vertical spring (412) welded connection parallel slide (413), electro-magnet (414) are installed to rotating-tube (409) middle part one side, bottom plate (1) mid-mounting has battery case (415).

2. The cold chain transportation connecting device for logistics transportation according to claim 1, wherein the width of the isolation plate (205) is equal to the width of the connecting frame (204), and the top surface of the guiding fan (213) and the bottom end of the heat conducting hose (208) on one side of the isolation plate (205) are close to each other.

3. The cold chain transportation connecting device for logistics transportation according to claim 1, wherein the top surfaces of the limiting sliding plate (211) and the guiding opening (210) are rectangular, the edge of the limiting sliding plate (211) is perpendicular to the edge of the guiding opening (210), one side of the folding baffle (212) at the two ends is adhesively connected with the two ends inside the top box (209), and the bottom box (207) and the top box (209) have the same internal structure.

4. The cold chain transportation connecting device for logistics transportation according to claim 1, wherein the input end of the guiding fan (213) is electrically connected with the output end of an external power supply, a sliding groove is formed on the fan frame (206) corresponding to the guiding fan (213), and two ends of the guiding fan (213) are respectively slidably mounted on two sides of the sliding groove.

5. The cold chain transportation connecting device for logistics transportation of claim 1, wherein corners of the inner wall of the heat conducting copper pipe (214) are rounded, and the inner wall of the heat conducting copper pipe (214) is attached to the outer side of the heat conducting hose (208).

6. The cold chain transportation connecting device for logistics transportation of claim 5, wherein the inner wall of the through pipe (306) is evenly coated with graphite powder, and the outer side of the heat conducting copper pipe (214) is matched with the through pipe (306).

7. The connecting device for cold chain transportation in logistics transportation of claim 6, wherein the bottom end of the rotating support rod (309) is an acute triangle, and the top surface of the anti-slip clamping strip (310) is provided with a continuous triangular groove.

8. The cold chain transportation connecting device for logistics transportation of claim 7, wherein the input end of the electromagnet (414) is electrically connected with the output end of the battery box (415), the hook rod (411) is formed by welding and combining a hook and a rectangular plate, and the end part of the hook rod (411) is engaged with the clamping rod (408).