A prefabricated smoking rack for smoking and roasting rooms for cured meat products

Abstract

This invention discloses a prefabricated smoking rack for a smoking room for cured products, comprising a suspension rod, a hanging rod, and an oil collecting device. Multiple main beams are fixed between the walls on both sides of the smoking room, and multiple smoking racks are arranged between adjacent main beams. The two ends of the hanging rods are movably resting on adjacent main beams for suspending the smoked products. The upper end of the suspension rod is movably suspended from the main beam. The oil collecting device is suspended at the lower end of the suspension rod to collect the smoked oil dripping from the smoked products below the hanging rod. Its advantages are: it allows for prefabricated installation of the smoking rack, making it easy to assemble and disassemble; the layout and size of the smoking rack can be adjusted as needed; the floor has no other support except for a movable basin or bucket for collecting oil, making floor cleaning very convenient; and it facilitates smoke dispersion, eliminating smoke-affected areas.

Description

Technical Field

[0001] This invention relates to a prefabricated smoking rack for smoking rooms used for smoking wax products, belonging to the technical field of wax product smoking equipment. Background Technology

[0002] Professional smoking rooms for cured meat products require numerous smoking racks for hanging meat pieces. The primary function of these racks is to hang the meat, necessitating a large number of racks for easy hanging and retrieval. Secondly, they must be able to catch dripping smoking oil to prevent it from falling to the ground and breeding harmful microorganisms and producing toxic gases, thus affecting the quality of the smoked meat products.

[0003] Our company's fumigation chamber equipment has undergone four iterations, but like existing technology in the industry, it still has the following shortcomings:

[0004] The smoking racks in the smoking room are separate frames. Too many frames and complex structures in a single smoking room result in high production costs.

[0005] The test bench specifications are fixed and cannot be adapted to meet specific needs.

[0006] Numerous support pillars on the platform stand on the ground, which makes it difficult to clean the ground.

[0007] The lower oil-saving plate groove of the rack is too large, which obstructs the dispersion of smoke, resulting in uneven smoke distribution and affecting the smoking quality of some cured meat products.

[0008] A search revealed numerous technical improvements to smoking chambers within the industry. For example, utility model patent application number 202222760297.4, entitled "A Smoking Chamber for Cured Meat," discloses a smoking chamber for cured meat, comprising a vertical chamber. The inner wall of the chamber, from bottom to top, is arranged with a placement tray, a filter screen, and arc-shaped brackets. There is one arc-shaped bracket on each side, and a rotatable toothed ring is installed between the two arc-shaped brackets. Multiple sets of hangers are fixed to the inner wall of the toothed ring, and each hanger is equipped with multiple sets of hooks. The bottom of the toothed ring has an equal number of oil-collecting trays as the hangers, each corresponding to a specific hanger directly below it. This utility model relates to the field of cured meat processing technology. The cured meat smoking chamber is equipped with an oil receiving mechanism to collect the oil droplets that drip from the cured meat during the smoking process and place these oil droplets onto the filter screen plate, thereby avoiding the phenomenon of oil droplets combining with dust. Furthermore, by setting up a dust removal mechanism, the dust adsorbed on the filter screen plate can be cleaned to prevent dust accumulation from causing blockage of the smoke exhaust channel.

[0009] Another utility model patent document, with application number 201921594314.3, entitled "A Retractable Cured Meat Smoking Chamber," discloses a retractable cured meat smoking chamber, including a chamber body. The bottom inner wall of the chamber body has a smoking chamber, and the bottom outer wall of the smoking chamber has support legs distributed at equal intervals at its four corners. A smoke vent is laid at the connection between the chamber body and the smoking chamber. A fixed mesh plate is bolted to the top outer wall of the chamber body, and movable components are distributed at equal intervals between the fixed mesh plate and the smoke vent. The chamber body is connected to a hanging rack assembly via the movable components. This utility model uses a laterally movable hanging rack assembly and a sloping structure to vertically suspend and smoke cured meat. Different colored cured meats are arranged according to their position relative to the smoking chamber. An oil drain rack reduces the accumulation of cured oil inside the chamber, minimizing its impact on the smoking chamber environment and bacterial growth. Temperature and humidity sensors and a smoke concentration control box, along with a lever and a fan, regulate the charcoal grilling heat and position, as well as the smoking temperature and smoke concentration.

[0010] As can be seen from the above patent documents, although the disclosed technical solutions have all achieved the corresponding technical effects, none of them can solve the problems existing in the prior art. Summary of the Invention

[0011] The technical problem to be solved by this invention is: how to provide a smoking rack for a smoking room that is easy to install, has adjustable frame specifications, and facilitates floor cleaning, oil collection, and smoke dispersion.

[0012] To address the above problems, the technical solution proposed by this invention is as follows:

[0013] A prefabricated smoking rack for a smoking chamber for cured products includes a suspension rod, a hanging rod, and an oil collecting device. Multiple main beams are fixed between the walls on both sides of the smoking chamber, and multiple smoking racks are arranged between adjacent main beams. The two ends of the hanging rods are movably resting on adjacent main beams for suspending the cured products. The upper end of the suspension rod is movably suspended from the main beam. The oil collecting device is suspended at the lower end of the suspension rod to collect the smoking oil dripping from the cured products below the hanging rod. The oil collecting device includes a left oil collecting plate, a right oil collecting plate, an assembly shaft, and an oil collecting trough. The oil collecting trough includes a left trough wall, a right trough wall, and an oil collecting groove. Hinge tubes are respectively provided on the left side of the left oil collecting plate and the right side of the right oil collecting plate. Corresponding hinge holes are provided at the lower end of the suspension rods, through which the assembly shaft passes. The left and right oil collecting plates are hinged to their respective suspension rods via hinged shaft holes. The right side of the left oil collecting plate and the left side of the right oil collecting plate are respectively hinged to the upper ends of the left and right walls of the oil collecting trough and tilted towards the oil collecting trough, allowing the grease dripping onto the left and right oil collecting plates to flow into the oil collecting trough. The oil collecting trough is equipped with a clearing mechanism, which includes a push-pull rod installed in the oil collecting trough, several scraping units installed at equal intervals on the push-pull rod, and matching parts set on the wall of the oil collecting trough. The scraping unit includes a one-way scraper that scrapes oil in one direction within the oil collecting trough. During the push-pull rod process, the one-way scrapers of adjacent scraping units scrape oil in one direction in relay, continuously pushing the grease-like grease adhering to the inner wall of the oil collecting trough towards one end of the oil collecting trough.

[0014] The main beam has mounting slots on both sides. The ends of the hanging rods are provided with vertical threaded screws with external threads. The screws are fitted with lifting nuts. The end of the hanging rod is inserted into the mounting slot and the lifting nuts are screwed upward to temporarily fix the end of the hanging rod in the mounting slot.

[0015] The main beam has an oblong hole that connects the top and bottom. The upper end of the suspension rod is provided with a lead screw and a nut. The lead screw passes through the oblong hole from bottom to top. The nut is used to temporarily fix the suspension rod to the main beam by cooperating with the lead screw at the upper part of the main beam.

[0016] Hinges are provided between the right bottom surface of the left oil collecting plate and the outer wall of the left tank wall of the oil collecting trough, and between the left bottom surface of the right oil collecting plate and the outer wall of the right tank wall of the oil collecting trough; the right side of the left oil collecting plate and the left side of the right oil collecting plate extend upwards towards the oil collecting trough to form the left oil collecting plate eaves and the right oil collecting plate eaves, respectively.

[0017] The upper parts of the left and right tank walls are stretched to be higher than the oil level of the oil collecting tank, and flue gas diffusion holes are respectively provided on the upper parts of the left and right tank walls that are higher than the oil level of the oil collecting tank.

[0018] The one-way scraper includes a left one-way scraper, a right one-way scraper, a scraper hinge shaft, and a torsion spring with pressure arms at both ends. The scraper hinge shaft is located between the left and right one-way scrapers and is vertically fixed to the push-pull rod. The left and right one-way scrapers are hinged together by the scraper hinge shaft. The torsion spring is fitted onto the scraper hinge shaft, and its pressure arms at both ends press against the front of the left and right one-way scrapers, respectively, applying a backward pressure to the left and right one-way scrapers. When the left and right one-way scrapers are spread out and on the same plane, they have an oil scraping function. When the left and right one-way scrapers overcome the pressure of the pressure arms and rotate forward to form gaps with the left and right tank walls, respectively, the septic tank oil can flow in the oil collection tank.

[0019] The scraping unit also includes a rearward limiting back plate, which is fixed to the push-pull rod behind the left and right one-way scrapers to prevent the left and right one-way scrapers from rotating backward around the scraper hinge axis.

[0020] The width of the rearward limiting backplate is only wide enough to press against the right side behind the left unidirectional scraper and the left side behind the right unidirectional scraper. The left and right sides of the rearward limiting backplate are respectively hinged to a left pressure plate and a right pressure plate that can rotate in both directions, and are respectively provided with a torsion spring with a pressure arm. The pressure arms of the torsion springs to which the left and right pressure plates belong apply forward rotation pressure to the left and right pressure plates respectively. The mating components are left and right intervention plates that are symmetrically arranged on the left and right tank walls and extend towards each other, parallel to the bottom surface of the oil collection tank. The number and length of the left and right intervention plates correspond to the number and length of the scraping unit on the push-pull rod. There is a gap between two adjacent left intervention plates and between two adjacent right intervention plates. The left middle part of the left unidirectional scraper and the right middle part of the right unidirectional scraper are respectively provided with a left notch and a right notch. The left and right intervention plates are located in the left and right notches respectively and can slide. Beneficial effects

[0021] 1. The smoking rack can be assembled and installed in a modular manner, making it easy to install and disassemble. The layout and size of the smoking rack can be adjusted as needed.

[0022] 2. Apart from the movable basins or buckets for catching oil, there are no other supporting structures on the ground, making it very convenient to clean the floor.

[0023] 3. It facilitates the dispersion of smoke and eliminates smoke-filled dead zones. Attached Figure Description

[0024] Figure 1 A three-dimensional schematic diagram showing the installation of the prefabricated smoking rack inside the fifth-generation smoking room;

[0025] Figure 2 for Figure 1 A partial schematic diagram; the straight arrow points in the direction of forward.

[0026] Figure 3 for Figure 2 A partial schematic diagram;

[0027] Figure 4 This is a three-dimensional schematic diagram of the oil receiving device, with arrow A pointing in the direction of forward.

[0028] Figure 5 for Figure 4 A partial schematic diagram, with arrow A pointing in the direction of forward;

[0029] Figure 6 This is a three-dimensional schematic diagram of the oil collection tank, with arrow A pointing in the direction of forward.

[0030] Figure 7 This is a three-dimensional schematic diagram of the oil receiving device. The diagram shows that the unblocking mechanism has been installed in the oil collection tank, and the direction pointed by arrow A is forward.

[0031] Figure 8 This is a three-dimensional schematic diagram of the unblocking mechanism inside the oil collection tank, with arrow A pointing in the direction of forward.

[0032] Figure 9 This is a three-dimensional schematic diagram of the unblocking mechanism, with arrow A pointing in the direction of forward.

[0033] Figure 10 for Figure 9 A partial schematic diagram, where arrow A points in the direction of forward;

[0034] Figure 11 This is a three-dimensional schematic diagram of the scraping unit. The diagram mainly shows the rear structure of the scraping unit, and the direction pointed to by arrow A is the front.

[0035] Figure 12 This is a three-dimensional schematic diagram of the scraping unit being pulled forward, with arrow A pointing in the direction of forward.

[0036] Figure 13 This is a three-dimensional schematic diagram of the scraping unit being pushed backward, with arrow A pointing in the direction of forward.

[0037] Figure 14 This is a three-dimensional schematic diagram of the scraping unit being pushed backward. The oil collection tank is not shown in the diagram, and the direction indicated by arrow A is forward.

[0038] In the diagram: 100. Smoking rack; 1. Main beam; 101. Mounting slot; 102. Waist-shaped hole; 2. Hanging rod; 201. Lifting nut; 3. Suspension rod; 301. Nut; 302. Hinge hole; 4. Left oil collection plate; 401. Left oil collection plate edge; 5. Right oil collection plate; 501. Right oil collection plate edge; 6. Assembly shaft; 7. Oil collection trough body; 701. Oil collection trough; 702. Left trough wall; 703. Right trough wall; 8. Hinge 9. Shaft tube; 10. Hinge; 11. Flue gas diffusion hole; 12. Push-pull rod; 13. Left one-way scraper; 14. Left notch; 15. Right one-way scraper; 16. Right notch; 17. Scraper hinge shaft; 18. Torsion spring one; 19. Pressure arm one; 20. Limiting back plate; 11. Left pressure plate; 22. Right pressure plate; 33. Torsion spring two; 44. Pressure arm two; 55. Left intervention plate; 66. Right intervention plate; 77. Container. Detailed Implementation

[0039] The present invention will be further described below with reference to embodiments and accompanying drawings: Example 1

[0040] like Figure 1 , 2As shown, a prefabricated smoking rack 100 for a smoking room for cured products includes a suspension rod 3, a hanging rod 2, and an oil collecting device. The rack is characterized by having multiple main beams 1 fixed between the walls on both sides of the smoking room, with multiple smoking racks 100 positioned between adjacent main beams 1. The two ends of the hanging rod 2 are movably resting on adjacent main beams 1 for suspending the smoked products. The upper end of the suspension rod 3 is movably suspended from the main beam 1. The oil collecting device is installed in a suspended manner at the lower end of the suspension rod 3 for collecting the smoked oil dripping from the smoked products below the hanging rod 2. In application, the length of the main beam 1 can be cut according to the width of the smoking room, and the width between two adjacent main beams 1 can be installed according to the length of the smoking rack 100. The two ends of the hanging rods 2 can be movably rested on the two adjacent main beams 1, and the spacing between the hanging rods 2 can be arranged according to the size of the meat pieces to be smoked. Generally, a smoking rack 100 can hang multiple rows of meat pieces, which requires multiple hanging rods 2. The arrangement of these hanging rods 2 determines the width of the smoking rack 100. Since the two ends of the hanging rods 2 can be movably rested on the two adjacent main beams 1, the upper end of the suspension rod 3 can be movably suspended on the main beam 1, and the width between two adjacent main beams 1 can be installed according to the length of the smoking rack 100, the specifications of the smoking rack 100 can be adjusted as needed. This is much more flexible in application than the existing technology that uses a smoking rack 100 with fixed specifications, and can make more reasonable and efficient use of the space. Since the hanging rod 2 rests on the main beam 1 and the oil receiving device is suspended at the lower end of the suspension rod 3, the entire fumigation rack 100 has no ground support. Apart from the container 22 placed below the oil collection trough 701 port of the oil receiving device, there are no obstacles in the space above the ground at a certain height. This is very beneficial for workers to operate in the fumigation room and is especially beneficial for cleaning the ground.

[0041] like Figure 2 , 3 As shown, mounting slots 101 are provided on both sides of the main beam 1. Vertical threaded rods with external threads are installed at both ends of the hanging rod 2, and lifting nuts 201 are fitted onto the rods. In application, the end of the hanging rod 2 is inserted into the mounting slot 101, and the lifting nut 201 is rotated upwards to temporarily fix that end of the hanging rod 2 within the mounting slot 101. When adjustment is needed, the hanging rod 2 can be moved by rotating the lifting nut 201 in the opposite direction.

[0042] The main beam 1 has a waist-shaped hole 102 that is open at the top and bottom. The upper end of the suspension rod 3 is provided with a screw rod and a nut 301. The screw rod passes through the waist-shaped hole 102 from bottom to top. The nut 301 is used to temporarily fix the suspension rod 3 to the main beam 1 by cooperating with the screw rod at the upper part of the main beam 1.

[0043] like Figure 2 , 4As shown, the oil collecting device includes a left oil collecting plate 4, a right oil collecting plate 5, an assembly shaft 6, and an oil collecting trough 7. The oil collecting trough 7 includes a left trough wall 702, a right trough wall 703, and an oil collecting trough 701. The left side of the left oil collecting plate 4 and the right side of the right oil collecting plate 5 are respectively provided with hinge shaft tubes 8, and the lower end of the suspension rod 3 is provided with corresponding hinge shaft holes 302. The assembly shaft 6 passes through the hinge shaft tubes 8 and the hinge shaft holes 302 to hinge the left oil collecting plate 4 and the right oil collecting plate 5 onto their respective suspension rods 3. The right side of the left oil collecting plate 4 and the left side of the right oil collecting plate 5 are respectively hinged to the upper ends of the left trough wall 702 and the right trough wall 703 of the oil collecting trough 7 and tilt towards the oil collecting trough 701, allowing the fumes dripping onto the left oil collecting plate 4 and the right oil collecting plate 5 to flow into the oil collecting trough 701. This design facilitates assembly and allows for width adjustment to a certain extent. Of course, this width adjustment will cause changes in the tilt angle of the left oil collecting plate 4 and the right oil collecting plate 5.

[0044] The bottom of the oil collection tank 701 has a height difference between the two ends, so that the smoked oil flowing into the oil collection tank 701 can flow from one end to the other.

[0045] like Figure 5 As shown, hinges 9 are provided between the right bottom surface of the left oil collecting plate 4 and the outer wall of the left tank wall 702 of the oil collecting tank 7, and between the left bottom surface of the right oil collecting plate 5 and the outer wall of the right tank wall 703 of the oil collecting tank 7; the right side of the left oil collecting plate 4 and the left side of the right oil collecting plate 5 extend upwards towards the oil collecting tank 701 to form the left oil collecting plate eaves 401 and the right oil collecting plate eaves 501, respectively, so as to ensure that the oil dripping onto the left oil collecting plate 4 and the right oil collecting plate 5 can fall directly into the oil collecting tank 701.

[0046] like Figure 6 As shown, the upper parts of the left tank wall 702 and the right tank wall 703 are stretched to be higher than the oil collection surface of the oil collection tank 701. Smoke diffusion holes 10 are respectively provided on the upper parts of the left tank wall 702 and the right tank wall 703 above the oil collection surface of the oil collection tank 701. This allows smoke close to the ground to diffuse from the oil collection tank 701 upwards towards the smoked products through the smoke diffusion holes 10. Compared with existing large-area solid plate-shaped oil receiving devices that block smoke diffusion, the above arrangement greatly improves the smoke diffusion effect in the smoking space above the oil receiving device.

[0047] like Figure 7As shown in Figure 11, since the oil collection trough 701 is located between the left oil collection plate 4 and the right oil collection plate 5, and the left oil collection plate 4 and the right oil collection plate 5 have eaves on both sides above the oil collection trough 701, it is difficult to clean the grease that has solidified on the left wall 702 and the right wall 703 of the oil collection trough 701. To solve this problem, a dredging mechanism is provided in the oil collection trough 701. The dredging mechanism includes a push-pull rod 11 installed in the oil collection trough 701, a number of scraping units installed at equal intervals on the push-pull rod 11, and a cooperating component set on the wall of the oil collection trough 701. The scraping unit includes a one-way scraper that scrapes oil in one direction in the oil collection trough 701. During the process of pushing and pulling the push-pull rod 11, the one-way scraper of the adjacent scraping unit scrapes oil in one direction in relay, and pushes the grease that is adhering to the inner wall of the oil collection trough 701 in a grease-like state to one end of the oil collection trough 701.

[0048] The unidirectional scraper includes a left unidirectional scraper 12, a right unidirectional scraper 13, a scraper hinge 14, and a torsion spring 15 with pressure arms 1501 at both ends. The scraper hinge 14 is located between the left unidirectional scraper 12 and the right unidirectional scraper 13, and is vertically fixed to the push-pull rod 11. The left unidirectional scraper 12 and the right unidirectional scraper 13 are hinged together by the scraper hinge 14. The torsion spring 15 is sleeved on the scraper hinge 14, and the pressure arms 1501 at its upper and lower ends are respectively... Pressed in front of the left one-way scraper 12 and the right one-way scraper 13, it applies backward pressure to the left one-way scraper 12 and the right one-way scraper 13; when the left one-way scraper 12 and the right one-way scraper 13 are spread out and on the same plane, they have the function of scraping oil; when the left one-way scraper 12 and the right one-way scraper 13 overcome the pressure of the pressure arm 1501 and rotate forward to form gaps with the left tank wall 702 and the right tank wall 703 respectively, the fumigated oil can flow in the oil collection tank 701 through the gap.

[0049] The scraping unit also includes a rearward limiting back plate 16, which is fixed to the push-pull rod 11 behind the left one-way scraper 12 and the right one-way scraper 13 to prevent the left one-way scraper 12 and the right one-way scraper 13 from rotating backward around the scraper hinge axis 14.

[0050] The width of the rearward limiting backplate 16 is only wide enough to press against the right side behind the left one-way scraper 12 and the left side behind the right one-way scraper 13. The left and right sides of the rearward limiting backplate 16 are respectively hinged to a left pressure plate 17 and a right pressure plate 18 that can rotate in both directions, and are respectively provided with a torsion spring 19 with a pressure arm 1901. The pressure arms 1901 of the torsion springs 19 to which the left pressure plate 17 and the right pressure plate 18 belong apply forward rotation pressure to the left pressure plate 17 and the right pressure plate 18, respectively. The cooperating parts are a left intervention plate 20 and a right intervention plate 20 that are symmetrically arranged on the left tank wall 702 and the right tank wall 703, extending towards each other and parallel to the bottom surface of the oil collection tank 701. 21. The number and length of the left intervention plate 20 and the right intervention plate 21 correspond to the number and length of the scraping unit on the push-pull rod 11. There is a gap between two adjacent left intervention plates 20 and between two adjacent right intervention plates 21. The left unidirectional scraper 12 and the right unidirectional scraper 13 are respectively provided with a left notch 1201 and a right notch 1301 in the middle of the left side and the right unidirectional scraper 13. The left intervention plate 20 and the right intervention plate 21 are located in the left notch 1201 and the right notch 1301 respectively and can slide. When the scraping unit is pulled forward or pushed backward by the push-pull rod 11, the left intervention plate 20 and the right intervention plate 21 can make the left pressure plate 17 and the right pressure plate 18 rotate backward or forward.

[0051] The working principle of the above settings is as follows:

[0052] like Figure 8 As shown in Figure 14, when the push-pull rod 11 is pulled forward, the left one-way scraper 12 and the right one-way scraper 13 of the scraping unit are pushed backward by the pressure of the pressure arm 1501 of the torsion spring 15. At the same time, due to the obstruction of the rear limiting back plate 16, the left one-way scraper 12 and the right one-way scraper 13 are on the same plane. The left edge and bottom edge of the left one-way scraper 12 are close to the left wall 702 and the left bottom surface of the oil collection tank 701 and form a forward scraping. The right edge and bottom edge of the right one-way scraper 13 are close to the right wall 703 and the right bottom surface of the oil collection tank 701 and form a forward scraping, pushing the grease that has solidified in the oil collection tank 701 forward. As the left one-way scraper 12 and the right one-way scraper 13 move forward, the left intervention plate 20 and the right intervention plate 21 slide through the left notch 1201 of the left one-way scraper 12 and the right notch 1301 of the right one-way scraper 13, respectively. They do not interfere with the sliding of the left one-way scraper 12 and the right one-way scraper 13, but they force the left pressure plate 17 and the right pressure plate 18 to overcome the pressure of the pressure arm 1901 and rotate backward.

[0053] When the scraping unit moves forward to the interval between two adjacent left intervention plates 20 and two adjacent right intervention plates 21, the left pressure plate 17 and the right pressure plate 18 will rotate forward under the forward pressure applied by the pressure arm 1901 until they are in contact with the left one-way scraper 12 and the right one-way scraper 13, respectively.

[0054] When the push-pull rod 11 is pushed backward, the left intervention plate 20 and the right intervention plate 21 force the left pressure plate 17 and the right pressure plate 18 to rotate forward, respectively. The forward rotation of the left pressure plate 17 and the right pressure plate 18 then forces the left one-way scraper 12 and the right one-way scraper 13 to rotate forward, so that the left side of the left one-way scraper 12 and the right side of the right one-way scraper 13 form a gap with the left tank wall 702 and the right tank wall 703, respectively. This has the following two effects: First, when the scraping unit is pushed backward, it can prevent the left one-way scraper 12 and the right one-way scraper 13 from pushing the grease that has been pushed forward back backward; second, after the grease cleaning is completed, the left one-way scraper 12 and the right one-way scraper 13 are kept in this state, so that the flowing fumigation oil can flow in the oil collection tank.

[0055] The above embodiments are only used to describe the present invention more clearly, and should not be regarded as limiting the scope of protection covered by the present invention. Any equivalent modifications should be regarded as falling within the scope of protection covered by the present invention.

Claims

1. A prefabricated smoking rack for a smoking room for cured meat products, comprising a suspension rod (3), a hanging rod (2), and an oil receiving device, characterized in that: Multiple main beams (1) are fixed between the walls on both sides of the smoking room. Multiple smoking racks (100) are provided between two adjacent main beams (1). The two ends of the hanging rod (2) are movably resting on the two adjacent main beams (1) for hanging the smoked products. The upper end of the suspension rod (3) is movably suspended on the main beam (1). The oil collecting device is installed in a suspended manner at the lower end of the suspension rod (3) for collecting the smoked oil dripping from the smoked products below the hanging rod (2). The oil collecting device includes a left... The oil collection plate (4), the right oil collection plate (5), the assembly shaft (6), and the oil collection tank (7) are provided. The oil collection tank (7) includes a left tank wall (702), a right tank wall (703), and an oil collection groove (701). The left side of the left oil collection plate (4) and the right side of the right oil collection plate (5) are respectively provided with hinge tubes (8). The lower end of the suspension rod (3) is provided with a corresponding hinge hole (302). The assembly shaft (6) passes through the hinge tube (8) and the hinge hole (302) to connect the left oil collection plate (4) and the right oil collection plate (5). The oil collecting plates (5) are hinged to their respective suspension rods (3); the right side of the left oil collecting plate (4) and the left side of the right oil collecting plate (5) are respectively hinged to the upper ends of the left wall (702) and right wall (703) of the oil collecting tank (7) and tilted towards the oil collecting tank (701), so that the fumes dripping onto the left oil collecting plate (4) and the right oil collecting plate (5) can flow into the oil collecting tank (701); the oil collecting tank (701) is provided with a clearing mechanism, the clearing mechanism including a... The oil collection tank (701) includes a push-pull rod (11), several scraping units installed at equal intervals on the push-pull rod (11), and a matching component set on the tank wall of the oil collection tank (701). The scraping unit includes a one-way scraper for scraping oil in one direction in the oil collection tank (701). During the process of pushing and pulling the push-pull rod (11), the one-way scraper of the adjacent scraping unit scrapes oil in one direction, and the oil that is grease-like and adheres to the inner wall of the oil collection tank (701) is continuously pushed to one end of the oil collection tank (701).

2. The prefabricated smoking rack for smoking and roasting rooms for cured products according to claim 1, characterized in that: The main beam (1) is provided with mounting grooves (101) on both sides. The ends of the hanging rod (2) are provided with vertical threaded screws. The screws are fitted with lifting nuts (201). The end of the hanging rod (2) is inserted into the mounting groove (101) and the lifting nut (201) is rotated upward to temporarily fix the end of the hanging rod (2) in the mounting groove (101).

3. The prefabricated smoking rack for smoking and roasting rooms for cured products according to claim 1, characterized in that: The main beam (1) has a waist-shaped hole (102) that is open at the top and bottom. The upper end of the suspension rod (3) is provided with a screw and a nut (301). The screw passes through the waist-shaped hole (102) from bottom to top. The nut (301) is used to temporarily fix the suspension rod (3) on the main beam (1) by cooperating with the screw at the upper part of the main beam (1).

4. The prefabricated smoking rack for a smoking room for cured meat products according to claim 1, characterized in that: A hinge (9) is provided between the right bottom surface of the left oil collecting plate (4) and the outer wall of the left groove wall (702) of the oil collecting tank (7), and between the left bottom surface of the right oil collecting plate (5) and the outer wall of the right groove wall (703) of the oil collecting tank (7); the right side of the left oil collecting plate (4) and the left side of the right oil collecting plate (5) extend upwards towards the oil collecting tank (701) to form the left oil collecting plate eaves (401) and the right oil collecting plate eaves (501).

5. The prefabricated smoking rack for a smoking room for cured meat products according to any one of claims 4, characterized in that: The upper parts of the left tank wall (702) and the right tank wall (703) are stretched to the oil level above the oil collection tank (701), and flue gas diffusion holes (10) are respectively provided on the upper parts of the left tank wall (702) and the right tank wall (703) above the oil level of the oil collection tank (701).

6. The prefabricated smoking rack for a smoking room for cured meat products according to claim 1, characterized in that: The unidirectional scraper includes a left unidirectional scraper (12), a right unidirectional scraper (13), a scraper hinge (14), and a torsion spring (15) with pressure arms (1501) at both ends. The scraper hinge (14) is located between the left unidirectional scraper (12) and the right unidirectional scraper (13), and is vertically fixed on the push-pull rod (11). The left unidirectional scraper (12) and the right unidirectional scraper (13) are hinged together by the scraper hinge (14). The torsion spring (15) is sleeved on the scraper hinge (14), and its upper and lower ends have pressure arms (1501). Arm 1 (1501) presses against the front of the left one-way scraper (12) and the right one-way scraper (13) respectively, applying backward pressure to the left one-way scraper (12) and the right one-way scraper (13); when the left one-way scraper (12) and the right one-way scraper (13) are spread out on the same plane, they have the function of scraping oil; when the left one-way scraper (12) and the right one-way scraper (13) overcome the pressure of Arm 1 (1501) and rotate forward to form gaps with the left tank wall (702) and the right tank wall (703) respectively, the fumigated oil can flow in the oil collection tank (701).

7. The prefabricated smoking rack for a smoking room for cured products according to claim 6, characterized in that: The scraping unit also includes a rearward limiting back plate (16), which is fixed on the push-pull rod (11) behind the left one-way scraper (12) and the right one-way scraper (13) to prevent the left one-way scraper (12) and the right one-way scraper (13) from rotating backward around the scraper hinge (14).

8. The prefabricated smoking rack for a smoking room for cured meat products according to claim 7, characterized in that: The width of the rear limiting back plate (16) is only wide enough to press against the right side behind the left unidirectional scraper (12) and the left side behind the right unidirectional scraper (13). The left and right sides of the rear limiting back plate (16) are respectively hinged to provide a left pressure plate (17) and a right pressure plate (18) that can rotate in both directions, and are respectively provided with a torsion spring (19) with a pressure arm (1901). The pressure arm (1901) of the torsion spring (19) to which the left pressure plate (17) and the right pressure plate (18) belong respectively applies a forward rotation pressure to the left pressure plate (17) and the right pressure plate (18). The mating parts are symmetrically arranged on the left groove wall (702) and the right groove wall (703). The left intervention plate (20) and the right intervention plate (21) extend outward from each other and are parallel to the bottom surface of the oil collection tank (701). The number and length of the left intervention plate (20) and the right intervention plate (21) correspond to the number and length of the scraping unit on the push-pull rod (11). There is a gap between two adjacent left intervention plates (20) and between two adjacent right intervention plates (21). The left side middle of the left unidirectional scraper (12) and the right side middle of the right unidirectional scraper (13) are respectively provided with a left notch (1201) and a right notch (1301). The left intervention plate (20) and the right intervention plate (21) are located in the left notch (1201) and the right notch (1301) respectively and can slide.

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