Heat dissipation type compartment for broiler chicken transport vehicle

By installing heat dissipation duct devices and diversion boxes in broiler transport vehicles, the problem of poor air circulation caused by the dense turnover boxes was solved, the oxygen supply and carbon dioxide emissions of live chickens were achieved, and the loss of live chickens was reduced.

CN120621201AActive Publication Date: 2025-09-12FUJIAN SUNNER DEV

Patent Information

Application Number
CN202511131665.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-13
Publication Date
2025-09-12
Estimated Expiration
2045-08-13

AI Technical Summary

Technical Problem

The density of turnover boxes in existing broiler transport vehicles leads to poor air circulation, resulting in insufficient oxygen and increased loss of live chickens.

Method used

A heat dissipation air duct device and a branch box are installed in the carriage. The position of the branch box is adjusted by moving the load beam to provide air circulation, and the air flow is guided by curved windshields and wind guide grooves to ensure that the live chickens get enough oxygen.

Benefits of technology

It improves the oxygen supply during transportation, reduces the loss of live chickens, avoids the increase of carbon dioxide concentration, and improves the safety of transportation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a heat dissipation type compartment for a broiler chicken transport vehicle. A heat dissipation type compartment for a broiler chicken transport vehicle comprises a transport vehicle, a bin fence type compartment is installed behind the transport vehicle, a compartment body is arranged in the bin fence type compartment, a compartment inner cavity is formed in the compartment body, a plurality of sets of erecting sleeves are installed on the side wall of the compartment inner cavity, heat dissipation air channel devices are installed above the erecting sleeves, and magnetic attraction blocks are arranged under the erecting sleeves. A clamping seat groove is formed in the magnetic attraction block; and an even number of erecting rods are arranged in the heat dissipation air duct device. The heat dissipation air duct device is installed on the erecting sleeve, so that when the heat dissipation air duct device is not used, the magnetic attraction block is matched with the clamping base groove to conduct magnetic attraction clamping on the clamping and fixing magnetic block at the bottom of the box body, and when the heat dissipation air duct device is used, the sliding groove in the beam assists the connecting device to drive the branch guide box to move and enable the branch guide box to be placed at the needed position; air circulation is provided for the turnover box transported in the carriage, the oxygen content is increased, and then the loss of live chickens in the transportation process is reduced.
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Description

Technical Field

[0001] The present invention relates to the technical field of transport vehicles, in particular to a heat dissipation carriage for a broiler transport vehicle. Background Art

[0002] Broiler transport vehicles mainly include two types: barn-type transport vehicles and constant temperature transport vehicles. They are mainly used to transport live poultry such as broilers and chicks. Barn-type transport vehicles use a fence-structured carriage and are equipped with poultry turnover boxes, which are suitable for short-distance transportation. However, this type of vehicle has a low center of gravity and good stability. It can transport live chickens, ducks, geese and other poultry, but lacks constant temperature control and is greatly affected by the weather.

[0003] However, the existing technology has the following shortcomings: currently, live chickens are transported in a stall-type transport vehicle, but due to the density of turnover boxes loaded in the vehicle, the middle part of the transport compartment is blocked by turnover boxes on all sides, making it impossible for air to circulate, resulting in insufficient oxygen in the compartment, which makes it easy for live chickens to die, thereby greatly increasing the loss of live chickens during transportation. Summary of the Invention

[0004] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained through the structures particularly pointed out in the description and other drawings.

[0005] The purpose of the present invention is to overcome the above-mentioned shortcomings and provide a heat-dissipating carriage for broiler transport vehicles. By installing a heat-dissipating air duct device on the mounting sleeve, the space above the carriage can be expanded, and with the cooperation of the movable load beam, the position of the guide box can be changed during loading by adjusting the guide box, so that the dense turnover boxes in the middle can be dispersed while providing corresponding air circulation, thereby increasing the oxygen content and reducing the loss of live chickens during transportation.

[0006] In order to achieve the above-mentioned purpose, the present invention is realized through the following technical solutions: a heat-dissipating carriage for broiler transport vehicles, comprising a transport vehicle, a barn-type carriage installed at the rear of the transport vehicle, a compartment provided in the barn-type carriage, a compartment formed in the compartment, a compartment cavity formed in the compartment, a plurality of mounting sleeves installed on the side walls of the compartment cavity, a heat-dissipating air duct device installed above the mounting sleeve, a magnetic block provided just below the mounting sleeve, a seat slot provided in the magnetic block; an even number of mounting rods provided in the heat-dissipating air duct device, a transverse fixed tube connected between the even number of mounting rods, a movable load beam provided between the transverse fixed tubes, a connecting device connected below the movable load beam, a guide box installed below the connecting device. The guide box is mainly used to separate the loaded turnover boxes, so that the turnover boxes placed in the middle can achieve air circulation after separation, thereby ensuring that the turnover boxes densely placed in the middle can obtain oxygen.

[0007] In a further improvement to the present invention, the diversion box is provided with a box body, an internal channel is defined within the box body, diversion beams are erected at both ends of the internal channel, a plurality of exhaust guide grooves are defined on both sides of the box body, a plurality of rows of curved windshields are mounted on the inner wall of the box body, support arc rods are fixed behind each of the curved windshields, and a retaining magnetic block is fixed to the bottom of the box body. The internal channel is mainly diverted to both sides by the diversion beams erected at both ends, so that the diverted wind direction is coordinated with the curved windshields to provide oxygen to the live chickens in the turnover box.

[0008] In a further improvement to the present invention, the curved windshields are arranged in a line from small to large, with the smaller ones closer to the front of the vehicle and the larger ones closer to the rear of the vehicle. The curved windshields are supported from behind by the supporting arc rods, and the securing magnets are magnetically attracted and engaged with the retaining slots. The purpose of the curved windshields being arranged from small to large is to allow the rear curved windshield to receive and redirect the wind, thereby allowing air to enter the turnover boxes on both sides.

[0009] In a further improvement to the present invention, the support arc rods are fixed to the inner wall of the box, the curved windshield is arranged parallel to and cooperates with the wind guide groove, the directional beam is arranged at the center of each end of the box, the upper part of the box is connected to the connecting device, and the mounting rod is nested in the mounting sleeve. The wind guide groove is mainly used to guide and output the wind received by the curved windshield, and also allows the circulation of carbon dioxide generated by the respiratory metabolism of the live chickens, thereby reducing the carbon dioxide concentration.

[0010] The present invention is further improved in that the connecting device is provided with a fixed frame, the end of the fixed frame is hingedly connected to a lower swing frame, the top of the fixed frame is installed with a pulley rod, the bottom of the lower swing frame is provided with a fixed block, a support block is provided between the fixed blocks, and a rotating top rod is connected above the support block. The rotating top rod on the support block is mainly used to cooperate with the fixed frame for height adjustment, so that during use, the height can be adjusted according to the different turnover boxes, and the height of the bottom chicken coop can be adjusted to complete the auxiliary support on both sides.

[0011] In a further improvement to the present invention, the top end of the rotating mandrel is connected to the fixed frame, the support block is disposed between the lower swing frame and is hingedly swiveled with the fixed frame, the fixed block is fixed to the surface of the guide box, and the pulley rod is disposed in the movable carrier beam and slidably engages with it. The pulley rod primarily moves laterally within the movable carrier beam to a desired placement position and can also be assisted in its reset by the movable carrier beam after use.

[0012] In a further improvement to the present invention, a beam body is disposed within the movable carrier beam, wherein an internal beam slot is defined within the beam body. Side clamps are fixed to both sides of the beam body, each of which is equipped with an even number of locking bolts. The side clamps are primarily used to erect and secure the beam body, thereby ensuring a tight connection between the beam body and the transverse fixing tubes on the erection rods, thereby providing corresponding suspension support for the branch guide box below.

[0013] In a further improvement to the present invention, the side clamp is engaged with the transverse fixing tube, the locking bolt passes through the side clamp and is screwed onto the internal thread of the transverse fixing tube, and the internal guide groove of the beam slides with the pulley rod. The locking bolt is primarily used for secondary reinforcement of the side clamp after engagement with the transverse fixing tube, ensuring a tight connection between the transverse fixing tube and the side clamp, thereby preventing the clamp from becoming unfastened or falling off.

[0014] In a further improvement of the present invention, an even number of rear doors are mounted at the rear of the vehicle body, one of the rear doors being mounted with a swing lock catch, and another of the rear doors being mounted with a frame lock lug, the frame lock lug cooperating with the swing lock catch, and the rear doors being hingedly coupled to the vehicle body. The rear doors, like the vehicle body, are of the same hurdle type, and the swing lock catch is primarily used to secure the frame lock lug, thereby securing the rear doors.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention installs the heat dissipation duct device on the mounting sleeve, so that when not in use, the magnetic block cooperates with the card seat groove to magnetically engage the fixing magnetic block at the bottom of the box body. When in use, the sliding groove in the beam assists its connection device to drive the guide box to move and place it in the required position, thereby providing air circulation for the turnover boxes transported in the carriage, increasing the oxygen content, and thus reducing the loss of live chickens during transportation.

[0016] 2. The present invention sets the diversion box at a designated position, and the wind is input from the front to the rear of the transport vehicle. When the wind is input, the diversion beam on the box diverts the wind, allowing the wind to be received by the arc-shaped wind shield in the channel inside the box to complete the wind guidance. The wind is output from the wind guide groove to the turnover boxes loaded on both sides, thereby allowing the live chickens to obtain air while driving the circulation of carbon dioxide generated by the live chickens' breathing, avoiding the increase of carbon dioxide content and causing hypoxia in the live chickens. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a heat dissipation carriage for a broiler chicken transport vehicle according to the present invention; Figure 2 This is a schematic diagram of the rear structural view of a heat dissipation compartment for a broiler transport vehicle according to the present invention; Figure 3 This is a partial structural diagram of a heat dissipation type compartment in a broiler transport vehicle according to the present invention; Figure 4 This is a schematic diagram of the three-dimensional structure of a heat dissipation air duct device in a heat dissipation compartment of a broiler transport vehicle according to the present invention; Figure 5 This is a schematic diagram of the structure of a movable load beam in a heat dissipation type carriage for a broiler transport vehicle according to the present invention, viewed from above; Figure 6 This is a schematic diagram of the three-dimensional structure of a heat dissipation type guide box in a broiler transport vehicle according to the present invention; Figure 7 This is a schematic top view of the structure of an inner passage in a heat dissipation compartment of a broiler transport vehicle according to the present invention; Figure 8 This is a schematic top view of the structure of a curved windshield in a heat dissipation compartment of a broiler transport vehicle according to the present invention; Figure 9 This is a schematic diagram of the partially enlarged structure of point A in a heat dissipation type compartment for a broiler transport vehicle of the present invention.

[0018] Figure: Transport vehicle 1, barn-style carriage 2, carriage body 21, rear door 22, swing lock catch 23, frame lock lug 24, carriage interior 211, mounting sleeve 212, cooling duct assembly 213, magnetic block 214, mounting slot 215, mounting rod 2131, transverse fixing pipe 2132, movable carrier beam 2133, connecting device 2134, guide box 2135, beam body 21331, beam inner slide 21332 , side clamp-21333, locking bolt-21334, fixing frame-21341, pulley rod-21342, lower swing frame-21343, fixing block-21344, support block-21345, rotating top rod-21346, box body-21351, fixing magnetic block-21352, diverter beam-21353, channel inside the box-21354, wind guide groove-21355, curved wind shield-21356, supporting arc rod-21357. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but are not intended to limit the present invention.

[0020] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In the present invention, unless otherwise expressly specified or limited, terms such as "installed," "connected," "connect," and "fixed" should be interpreted broadly. For example, they may refer to fixed connections, removable connections, or integration; they may refer to direct connections or indirect connections through an intermediate medium; they may refer to internal communication between two components or interactions between two components. However, the term "direct connection" indicates that the two connected entities are not connected through a transitional structure, but are connected solely through a connecting structure to form a single entity. Those skilled in the art will understand the specific meanings of these terms in the present invention based on the specific circumstances.

[0022] In the present invention, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0023] The present invention will be further described below with reference to the accompanying drawings: Example 1

[0024] As attached Figure 1 To the attached Figure 5 、 Figure 9 As shown: The present embodiment provides a heat dissipation type carriage for broiler transport vehicles, including a transport vehicle 1, a warehouse-type carriage 2 is installed at the rear of the transport vehicle 1, a compartment body 21 is provided in the warehouse-type carriage 2, an even number of rear closed doors 22 are installed at the rear of the compartment body 21, one of the rear closed doors 22 is installed with a swing lock buckle 23, and the other rear closed door 22 is installed with a frame lock ear 24, a compartment cavity 211 is formed in the compartment body 21, and a plurality of sets of mounting sleeves 212 are installed on the side walls of the compartment cavity 211. A heat dissipation duct assembly 213 is installed on the side. A magnetic block 214 is located directly below the mounting sleeve 212, with a retaining slot 215 defined within the magnetic block 214. An even number of mounting rods 2131 are installed within the heat dissipation duct assembly 2133. These even number of mounting rods 2131 are connected by transverse fixing tubes 2132. A movable beam 2133 is mounted between these transverse fixing tubes 2132. A connecting device 2134 is connected below the movable beam 2133, and a guide box 2135 is installed below the connecting device 2134. Within the movable beam 2133 is a beam body 21331, which has an internal beam slot 21332 defined within it. Side clamps 21333 are fixed to both sides of the beam body 21331, each of which has an even number of locking bolts 21334 installed on it. A fixing frame 21341 is provided in the connecting device 2134, and the end of the fixing frame 21341 is hingedly connected to the lower swing frame 21343. A pulley rod 21342 is installed on the top of the fixing frame 21341, and a fixing block 21344 is provided at the bottom of the lower swing frame 21343. A supporting block 21345 is provided between the fixing blocks 21344, and a rotating top rod 21346 is connected above the supporting block 21345.

[0025] Furthermore, two erection rods 2131 form a group and are connected by a transverse fixing tube 2132 . The movable beam 2133 is erected between the transverse fixing tubes 2132 , and the erection rods 2131 are nested in the erection sleeve 212 .

[0026] Furthermore, side clamps 21333 are provided at both ends of the beam body 21331, which are engaged with the transverse fixing tube 2132 through the side clamps 21333, and cooperate with the locking bolt 21334 to complete the threaded connection of the transverse fixing tube 2132, and the transverse fixing tube 2132 is provided with threaded holes arranged in a line.

[0027] Furthermore, the fixed frame 21341 is penetrated and fixed by the pulley rod 21342, allowing the pulley rod 21342 to complete the suspension installation of the fixed frame 21341, the lower swing frame 21343 and the guide box 2135.

[0028] Furthermore, the pulley rod 21342 slides with the inner groove 21332 of the beam on the beam body 21331, thereby indirectly driving the horizontal displacement of the guide box 2135, thereby displacing it to the designated area according to needs.

[0029] Furthermore, a magnetic block 214 is installed on the inner wall of one side of the box body 21, and a card seat groove 215 is opened on the magnetic block 214, which cooperates with the fixing magnetic block 21352 at the bottom of the box body 21351 to complete the restriction and fixation of the box body 21351 when not in use.

[0030] The specific working principle is as follows: The present invention installs and fixes the barn-type carriage 2 through the transport vehicle 1, separates the upper swing lock buckle 23 of the rear closed door 22 at the rear of the carriage body 21 from the frame lock ear 24, opens the rear closed door 22, and loads the live chicken turnover box after opening. As the compartment cavity 211 is more than half loaded horizontally, the heat dissipation duct device 213 installed on the mounting sleeve 212 is adjusted, so that the branch guide box 2135 is displaced in the movable load beam 2133 mounted on the transverse fixed pipe 2132 between the mounting rods 2131, and the connecting device 2134 completes the hanging and fixing of the branch guide box 2135, allowing it to be displaced to the middle position of the compartment cavity 211. When the height of the guide box 2135 is insufficient, the rotating top rod 21346 between the support blocks 21345 is rotated to complete the lifting of the upper fixed frame 21341. At the same time, the lower swing frame 21343 expands downward to allow the guide box 2135 to adapt to the height of the bottom turnover box to complete the separation of the turnover box. After use, on the contrary, the guide box 2135 connected to the lower fixed block 21344 is reset through the auxiliary pulley rod 21342 through the inner groove 21332 on the beam body 21331, and the fixing magnetic block 21352 cooperates with the magnetic block 214 and the base slot 215 for magnetic engagement. Example 2

[0031] As attached Figure 6 To the attached Figure 8 As shown: Among them, a box body 21351 is provided in the branch box 21355, and an internal channel 21354 is opened in the box body 21351. There are directional beams 21353 erected at both ends of the internal channel 21354. A number of exhaust guide grooves 21355 are opened on both sides of the box body 21351. A number of rows of arc-shaped wind shields 21356 are installed on the inner wall of the box body 21351, and supporting arc rods 21357 are fixed behind the arc-shaped wind shields 21356. A fixing magnetic block 21352 is fixed at the bottom of the box body 21351.

[0032] Furthermore, the box body 21351 is hollowed out internally by means of the channel 21354 inside the box, and the diverting beam 21353 is installed at the center position of both ends of the box body 21351, and both ends are fixed on the box body 21351 to divert the wind direction.

[0033] Furthermore, the wind guide grooves 21355 are opened on the side walls on both sides of the box body 21351, and the number is adapted to the arc-shaped wind shield plates 21356, and the number of the arc-shaped wind shield plates 21356 is the same as the number of the supporting arc rods 21357.

[0034] Furthermore, the arc-shaped wind shield 21356 increases in size from the inside to the outside, and can adapt to the incoming air volume to receive it, so that the arc-shaped wind shield 21356 can complete the air pocket inside the wind body, and change the direction of the wind body, and output the air from the wind guide grooves 21355 on both sides to mobilize the air of the turnover boxes on both sides.

[0035] Furthermore, the shape of the locking magnetic block 21352 is adapted to the shape of the card seat slot 215, and the magnetic sheet is installed on the side of the locking magnetic block 21352 close to the magnetic block 214, thereby better cooperating with the magnetic block 214 to complete the magnetic fixation.

[0036] The specific working principle is as follows: After the box body 21351 is set in the center position of the present invention, the wind body mobilized by the transport vehicle 1 during the driving process is input from the front of the warehouse-type carriage 2, and then the wind direction is diverted with the assistance of the diverter beam 21353, and enters the channel 21354 in the box. The curved wind shield 21356 is then changed from small to large to complete the wind ride while changing the wind direction, so as to output the wind guide groove 21355 of the wind body, so that the flow of the wind body can supply air to the live chickens in the turnover boxes on both sides, and mobilize the carbon dioxide generated by the breathing of the live chickens to circulate, so as to avoid the accumulation of carbon dioxide metabolized by the breathing of the live chickens, resulting in a corresponding increase in the carbon dioxide concentration. After use, the box body 21351 is displaced with the assistance of the connecting device, and finally is magnetically fixed by the fixed magnetic block 21352 set at the bottom to avoid the diversion box 21355 from moving when not in use.

[0037] It should be understood that the embodiments disclosed herein are not limited to the specific processing steps or materials disclosed herein, but should extend to equivalent substitutions of such features understood by those skilled in the relevant art. It should also be understood that the terminology used herein is for the purpose of describing specific embodiments only and is not intended to be limiting.

[0038] The "embodiment" mentioned in the specification means that a particular feature or characteristic described in conjunction with the embodiment is included in at least one embodiment of the present invention. Therefore, the phrase or "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment.

[0039] Furthermore, the described features or characteristics may be combined in any other suitable manner into one or more embodiments. In the above description, some specific details, such as thickness, quantity, etc., are provided to provide a comprehensive understanding of the embodiments of the present invention. However, those skilled in the relevant art will appreciate that the present invention may be implemented without one or more of the above specific details or may be implemented using other methods, components, materials, etc.

Claims

1. A heat dissipation carriage for a broiler transport vehicle, comprising a transport vehicle, a stall-type carriage installed at the rear of the transport vehicle, characterized in that: The compartment-type carriage is provided with a compartment body, an inner cavity is formed in the compartment body, a plurality of sets of mounting sleeves are installed on the side walls of the inner cavity, a heat dissipation duct device is installed above the mounting sleeve, a magnetic block is provided just below the mounting sleeve, and a card seat slot is provided in the magnetic block; An even number of mounting rods are provided in the heat dissipation duct device, and horizontal fixed pipes are connected between the even number of mounting rods. A movable load beam is provided between the horizontal fixed pipes, and a connecting device is connected below the movable load beam, and a branch guide box is installed below the connecting device. A box body is provided in the branch guide box, an internal channel is opened in the box body, directional beams are erected at both ends of the internal channel, a number of exhaust guide grooves are opened on both sides of the box body, a number of rows of arc-shaped wind shields are installed on the inner wall of the box body, support arc rods are fixed behind the arc-shaped wind shields, and a fixing magnetic block is fixed at the bottom of the box body.

2. The heat dissipating carriage for a broiler chicken transport vehicle according to claim 1, characterized in that: The arc-shaped windshields are arranged in a line from small to large, with the small ones close to the front of the vehicle and the large ones close to the rear of the vehicle body. The rear of the arc-shaped windshields is supported by the supporting arc rods, and the fixing magnetic blocks are magnetically attracted and engaged with the card seat slots.

3. The heat dissipating carriage for a broiler chicken transport vehicle according to claim 2, characterized in that: The supporting arc rod is fixed on the inner wall of the box, the arc-shaped wind shield is arranged parallel to the wind guide groove and cooperates with it, the directional beam is arranged at the center position of both ends of the box, the top of the box is connected to the connecting device, and the erection rod is nested in the erection sleeve.

4. The heat dissipating carriage for a broiler chicken transport vehicle according to claim 3, characterized in that: A fixing frame is provided in the connecting device, the end of the fixing frame is hingedly connected to a lower swing frame, a pulley rod is installed on the top of the fixing frame, a fixing block is provided at the bottom of the lower swing frame, a supporting block is provided between the fixing blocks, and a rotating top rod is connected above the supporting block.

5. The heat dissipating carriage for a broiler chicken transport vehicle according to claim 4, characterized in that: The top end of the rotating push rod is connected to the fixed frame, the support block is arranged between the lower swing frame and is hinged and swung with the fixed frame, the fixed block is fixed to the surface of the guide box, and the pulley rod is arranged in the movable load beam and is slidably fitted.

6. The heat dissipating carriage for a broiler chicken transport vehicle according to claim 5, characterized in that: A beam body is provided in the movable load beam, an inner beam slide groove is provided in the beam body, side clamps are fixed on both sides of the beam body, and an even number of locking bolts are installed on the side clamps.

7. The heat dissipating carriage for a broiler chicken transport vehicle according to claim 6, characterized in that: The side clamp is clamped on the transverse fixing tube, the locking bolt passes through the side clamp and is screwed to the inner thread of the transverse fixing tube, and the inner sliding groove of the beam is slidably matched with the pulley rod.

8. The heat dissipating carriage for a broiler chicken transport vehicle according to claim 1, characterized in that: An even number of rear closing doors are installed at the rear of the box body, one of the rear closing doors is installed with a swing lock buckle, and another of the rear closing doors is installed with a frame lock ear, the frame lock ear cooperates with the swing lock buckle, and the rear closing door is hinged to the box body.

Citation Information

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