Feed mixing device for breeding boars
The feed mixing device for breeding pigs utilizes a servo motor to drive the pelleting shaft and stirring rod to achieve the mixing and extrusion pelleting of liquid and solid feed, solving the problems of cumbersome operation and high cost in existing technologies, and improving the palatability and quality of the feed.
Patent Information
- Application Number
- CN202422877869.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-25
AI Technical Summary
In the existing technology, the pig feed mixing device cannot effectively mix liquid and solid feed and make it into pellet feed, which is cumbersome to operate and increases processing costs.
A feed mixing device for breeding pigs is adopted, which uses a servo motor to drive the pelleting shaft and stirring rod to achieve the mixing and formulation of liquid and solid feed, and then uses an extrusion screw to form the mixed feed into pellets, eliminating the need for an additional motor drive.
It enables efficient mixing and formulation of liquid and solid feeds and extrusion pelleting, improving feed palatability and quality while reducing operational complexity and cost.
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Figure CN223515710U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a pig feeding technology field, specifically, relate to the feed mixing device for pig feeding. BACKGROUND
[0002] The pig is not a single species, but a male (boar) and female (sow) parent pig in the domestic pig, which is mainly used for breeding piglets. It generally has one or more advantages such as good applicability, strong disease resistance, good meat quality, high meat yield, and high feed reward. In the breeding process of the pig, a feed mixing device for pig feeding is needed to prepare the breeding feed.
[0003] The prior art discloses a patent number: CN202420059797.1 a kind of for boar feeding nutrient substance adding device, the utility model in use although can utilize a motor to drive stirring rod and horizontal pipe rotation to realize the mixing of liquid feed and solid feed preparation, but the mixed feed cannot be made into granular feed and then fed, so that the palatability is poor when feeding, and then it is introduced into the granulator and granulated, not only operation is more complicated, time-consuming and laborious, and needs additional driving motor to drive, thereby increasing the feed processing cost, the practicality is general, for the shortcomings of the utility model, the person skilled in the art proposes a feed mixing device for pig feeding. UTILITY MODEL CONTENT
[0004] (I) technical problem solved
[0005] In view of the deficiencies of the prior art, the utility model provides a feed mixing device for pig feeding, which has the advantages of using only one servo motor to realize the mixing of liquid feed and solid feed, and can extrude and granulate the mixed feed without installing an additional driving motor, thereby improving the quality of the feeding feed and the practicality, and solving the problems in the above background technology.
[0006] (II) technical scheme
[0007] In order to realize the above-mentioned only using a servo motor can realize the mixing of liquid feed and solid feed, and can be extruded after mixing the feed, without installing additional drive motor, improve the quality of the feed, the practicability is stronger's advantage, the specific technical scheme adopted by the utility model is as follows: Pig feeding feed mixing device, including mounting bracket, granulating cylinder and mixing cylinder, the mounting bracket is fixedly installed with granulating cylinder, and the central installation of granulating cylinder inner chamber is provided with granulating shaft, and the fixed installation of granulating shaft is provided with extrusion spiral, the one end of granulating cylinder is fixedly installed with extrusion disc, and a plurality of extrusion holes are uniformly formed in the extrusion disc, the mounting bracket is fixedly installed with motor seat, and the motor seat is installed with servo motor, and the one end of granulating shaft is connected with servo motor output, the top of mounting bracket is fixedly installed with mixing cylinder, and the central installation of mixing cylinder top surface is provided with half hollow tube shaft, and a plurality of stirring rods are uniformly fixedly installed on the half hollow tube shaft, a plurality of auxiliary stirring rods are uniformly fixedly installed on the stirring rod, the one side wall of mixing cylinder is fixedly installed with mounting bearing, and the mounting bearing is installed with transmission shaft in, and the bottom end of transmission shaft is fixedly installed with second bevel gear, the one end of granulating shaft is fixedly installed with first bevel gear, and the first bevel gear and the second bevel gear are engaged with each other, the one end of transmission shaft is fixedly installed with first belt pulley, the one end of half hollow tube shaft is fixedly installed with second belt pulley, the transmission belt is sleeved between the first belt pulley and the second belt pulley, the half hollow tube shaft inner chamber is connected with horizontal pipe in symmetry, and a plurality of discharge holes are uniformly formed in the bottom surface of horizontal pipe.
[0008] Further, the heat conduction cylinder is fixedly installed in the mixing cylinder inner chamber, and a plurality of carbon fiber heating pipes are uniformly installed on the outer wall of the heat conduction cylinder.
[0009] Further, the connecting frame is fixedly connected to the top surface of the mixing cylinder, and the liquid feed storage box is fixedly installed at the top end of the connecting frame, and the liquid outlet pipe is communicated and installed in the central bottom surface of the liquid feed storage box.
[0010] Further, the solid feed inlet hopper is communicated and connected to the top side of the mixing cylinder inner chamber.
[0011] Further, the discharge pipe is communicated and connected between the granulating cylinder inner chamber and the mixing cylinder inner chamber, and the discharge valve is installed on the discharge pipe.
[0012] Further, the control panel is fixedly installed on the side wall of the mixing cylinder, and the control panel is electrically connected with the servo motor, the carbon fiber heating pipe, the flow regulating valve and the discharge valve.
[0013] Further, the liquid feeding hopper, the liquid outlet pipe, the semi-hollow pipe shaft and the mixing barrel are arranged on the same straight line.
[0014] (III) Beneficial effects
[0015] Compared with the prior art, the pig feed mixing device for pig feeding has the following beneficial effects:
[0016] (1) The pelletizing barrel, the mixing barrel, the pelletizing shaft, the transmission shaft and the semi-hollow pipe shaft are arranged, the pelletizing barrel is fixedly installed on the mounting frame, the pelletizing shaft is installed in the central part of the inner cavity of the pelletizing barrel, the extrusion screw is fixedly installed on the pelletizing shaft, the motor base is fixedly installed on the mounting frame, the servo motor is installed on the motor base, the one end of the pelletizing shaft is connected to the output end of the servo motor, the mixing barrel is fixedly installed on the top end of the mounting frame, the semi-hollow pipe shaft is installed in the central part of the top surface of the mixing barrel, the stirring rods are uniformly fixedly installed on the semi-hollow pipe shaft, the auxiliary stirring rods are uniformly fixedly installed on the stirring rods, the horizontal pipes are symmetrically and communicatively installed in the inner cavity of the semi-hollow pipe shaft, the discharge holes are uniformly formed in the bottom surface of the horizontal pipes, in use, the worker can guide the solid feed into the inner cavity of the mixing barrel through the solid feeding hopper, then starts the servo motor to drive the pelletizing shaft to rotate, the first bevel gear is fixedly installed on the pelletizing shaft and is engaged with the second bevel gear which is fixedly installed at the bottom end of the transmission shaft installed on the bearing, so that the transmission shaft can be rotated when the pelletizing shaft rotates, the first belt pulley is fixedly installed on the transmission shaft, the second belt pulley is fixedly installed on the semi-hollow pipe shaft, and the transmission belt is sleeved between the first belt pulley and the second belt pulley, so that the semi-hollow pipe shaft can be rotated when the transmission shaft rotates, the liquid feeding hopper is communicatively installed at the top end of the semi-hollow pipe shaft, the worker can open the flow regulating valve installed on the liquid outlet pipe to quantitatively guide the liquid feed stored in the liquid feed storage box into the inner cavity of the semi-hollow pipe shaft, at this time, the liquid feed can enter the inner cavity of the horizontal pipe which rotates with the semi-hollow pipe shaft, and finally is uniformly sprayed in the inner cavity of the mixing barrel through the discharge holes and is mixed with the solid feed, at this time, the semi-hollow pipe shaft drives the stirring rods and the auxiliary stirring rods to mix the solid feed and the liquid feed uniformly, the mixed feed can be guided into the inner cavity of the pelletizing barrel through the opening of the discharge valve installed on the discharge pipe, the extrusion disc is fixedly installed at one end of the pelletizing barrel, and the extrusion holes are uniformly formed in the extrusion disc, when the pelletizing shaft drives the extrusion screw to rotate, the mixed feed can be pushed to one side of the extrusion disc and is extruded through the extrusion holes, so that the extrusion of the feed can be realized without installing an additional motor, the palatability of the feed is better, the quality of the feed is improved, and the practicability is higher.
[0017] (2), the utility model discloses a carbon fiber heating pipe, heat conducting cylinder, lead out hopper and material scraping plate are provided, and the heat conducting cylinder is fixedly installed on the inner wall of the mixing cylinder, and a plurality of carbon fiber heating pipes are evenly installed on the outer wall of the heat conducting cylinder, when the weather is relatively cold, the user can open the carbon fiber heating pipe to heat the mixed solid feed and liquid feed, so that the mixed feed is at the proper temperature, and the disease rate is reduced, in addition, the lead out hopper is fixedly installed on the bottom surface of the heat conducting cylinder inner chamber, and the stirring rod one end is fixedly installed with the material scraping plate, so the stirring rod can drive the material scraping plate to rotate, and the rotating material scraping plate can scrape off the mixed feed adhered to the inner wall of the heat conducting cylinder and the lead out hopper, to prevent the incomplete discharge of feed material due to adhesion, and the practicality is stronger. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.
[0019] Figure 1 It is a structural schematic diagram of the feed mixing device for pig breeding according to the embodiment of the present application.
[0020] Figure 2 It is an enlarged view of A of the Figure 1 according to the embodiment of the present application.
[0021] Figure 3 It is an enlarged view of B of the Figure 1 according to the embodiment of the present application.
[0022] Figure 4 It is an enlarged view of C of the Figure 1 according to the embodiment of the present application.
[0023] Figure 5 It is an enlarged view of D of the Figure 1 according to the embodiment of the present application.
[0024] Figure 6 It is a transmission shaft and half hollow tube shaft perspective view of the feed mixing device for pig breeding according to the embodiment of the present application.
[0025] In the drawings:
[0026] 1, mounting frame; 2, motor base; 3, granulation cylinder; 4, discharge pipe; 5, granulation shaft; 6, extrusion screw; 7, servo motor; 8, mounting bearing; 9, mixing cylinder; 10, carbon fiber heating pipe; 11, transmission shaft; 12, first pulley; 13, transmission belt; 14, liquid feed storage box; 15, solid feed hopper; 16, auxiliary stirring rod; 17, stirring rod; 18, heat conduction cylinder; 19, discharge valve; 20, first bevel gear; 21, second bevel gear; 22, half hollow tube shaft; 23, second pulley; 24, liquid feed hopper; 25, connecting frame; 26, liquid outlet pipe; 27, flow regulating valve; 28, cross pipe; 29, discharge hole; 30, extrusion disc; 31, extrusion hole; 32, discharge hopper; 33, scraper. DETAILED DESCRIPTION
[0027] To further illustrate the embodiments, the utility model provides the drawings, these drawings are part of the utility model disclosure, it mainly used to explain the embodiment, and can cooperate the related description of the specification to explain the operation principle of the embodiment, cooperate with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the drawing are not drawn according to scale, and similar component symbols are usually used to represent similar components.
[0028] According to the embodiment of the utility model, a feed mixing device for pig feeding is provided.
[0029] The utility model will be further explained in combination with the drawings and specific embodiments, such as Figures 1-6As shown, according to the pig feed mixing device for pig feeding, the installation frame 1 is fixedly installed with the granulating cylinder 3, the granulating shaft 5 is installed in the inner cavity of the granulating cylinder 3, the extrusion spiral 6 is fixedly installed on the granulating shaft 5, the extrusion disc 30 is fixedly installed at one end of the granulating cylinder 3, a plurality of extrusion holes 31 are uniformly formed in the extrusion disc 30, the motor base 2 is fixedly installed on the installation frame 1, the servo motor 7 is installed on the motor base 2, one end of the granulating shaft 5 is connected with the output end of the servo motor 7, the mixing cylinder 9 is fixedly installed at the top end of the installation frame 1, the semi-hollow tube shaft 22 is installed at the top surface of the mixing cylinder 9, a plurality of stirring rods 17 are uniformly fixedly installed on the semi-hollow tube shaft 22, a plurality of auxiliary stirring rods 16 are uniformly fixedly installed on the stirring rods 17, the mounting bearing 8 is fixedly installed on one side wall of the mixing cylinder 9, the transmission shaft 11 is installed in the mounting bearing 8, the second bevel gear 21 is fixedly installed at the bottom end of the transmission shaft 11, the first bevel gear 20 is fixedly installed at one end of the granulating shaft 5, the first bevel gear 20 and the second bevel gear 21 are meshed with each other, the first belt pulley 12 is fixedly installed at one end of the transmission shaft 11, the second belt pulley 23 is fixedly installed at one end of the semi-hollow tube shaft 22, the transmission belt 13 is sleeved between the first belt pulley 12 and the second belt pulley 23, the horizontal pipe 28 is symmetrically connected in the inner cavity of the semi-hollow tube shaft 22, a plurality of discharge holes 29 are uniformly formed in the bottom surface of the horizontal pipe 28, the liquid feed and the solid feed can be uniformly mixed and prepared by using only one servo motor 7, the uniformly mixed feed can be extruded and granulated, an additional driving motor is not needed, the quality of the feeding feed is improved, and the practicability is higher.
[0030] In one embodiment, the heat conduction cylinder 18 is fixedly installed in the inner cavity of the mixing cylinder 9, a plurality of carbon fiber heating pipes 10 are uniformly installed on the outer wall of the heat conduction cylinder 18, the discharge hopper 32 is fixedly installed at the bottom of the inner cavity of the heat conduction cylinder 18, the scraping plate 33 is fixedly installed at one end of the stirring rod 17, and the scraping plate 33 abuts against the inner walls of the heat conduction cylinder 18 and the discharge hopper 32, which can scrape off the mixed feed adhered to the inner walls of the heat conduction cylinder 18 and the discharge hopper 32 by the rotating scraping plate 33, so as to prevent the incomplete discharge of the feed material due to adhesion, and the practicability is higher.
[0031] In one embodiment, the connecting frame 25 is fixedly connected to the top surface of the mixing cylinder 9, the liquid feed storage box 14 is fixedly installed at the top end of the connecting frame 25, the liquid outlet pipe 26 is communicatively installed at the bottom surface of the liquid feed storage box 14, the flow regulating valve 27 is installed on the liquid outlet pipe 26, and the liquid inlet hopper 24 is communicatively connected to the top of the inner cavity of the semi-hollow tube shaft 22, which can quantitatively guide the liquid feed into the inner cavity of the semi-hollow tube shaft 22.
[0032] In one embodiment, the solid feeding hopper 15 is connected to one side of the top of the mixing barrel 9, which serves to guide the solid feed into the mixing barrel 9.
[0033] In one embodiment, the discharge pipe 4 is connected between the inner cavity of the granulating barrel 3 and the inner cavity of the mixing barrel 9, and the discharge valve 19 is installed on the discharge pipe 4, which serves to guide the mixed feed in the mixing barrel 9 into the granulating barrel 3 for further processing.
[0034] In one embodiment, the control panel is fixedly installed on the side wall of the mixing barrel 9, and the control panel is electrically connected with the servo motor 7, the carbon fiber heating pipe 10, the flow regulating valve 27 and the discharge valve 19. The control panel controls the circuit operation, which is the existing mature technology and will not be described here.
[0035] In one embodiment, the liquid feeding hopper 24, the liquid outlet pipe 26, the semi-hollow shaft 22 and the central axis of the mixing barrel 9 are in the same straight line.
[0036] Working principle: the utility model discloses be provided with granulating cylinder 3, mix and match cylinder 9, granulating shaft 5, transmission shaft 11 and half hollow tube shaft 22, the fixed mounting of setting mounting bracket 1 is provided with granulating cylinder 3, and the central installation of granulating cylinder 3 inner chamber is provided with granulating shaft 5, and the fixed mounting of granulating shaft 5 is provided with extrusion spiral 6, the fixed mounting of setting mounting bracket 1 is provided with motor base 2, and the installation of motor base 2 is provided with servo motor 7, and the one end of granulating shaft 5 is connected with servo motor 7 output, on the other hand, the fixed mounting of setting mounting bracket 1 top is provided with mix and match cylinder 9, and the central installation of mix and match cylinder 9 top is provided with half hollow tube shaft 22, and the even fixed mounting of half hollow tube shaft 22 is provided with a plurality of stirring rods 17, the even fixed mounting of setting stirring rod 17 is provided with a plurality of auxiliary stirring rods 16, in addition, the inner chamber of setting half hollow tube shaft 22 is provided with horizontal tube 28 and is installed symmetrically, and the bottom of horizontal tube 28 is evenly provided with a plurality of discharge holes 29, when using, the worker can import the solid feed through solid feed inlet hopper 15 into mix and match cylinder 9 inner chamber, then start servo motor 7 and drive granulating shaft 5 to rotate, the fixed mounting of setting granulating shaft 5 is provided with first bevel gear 20 and the second bevel gear 21 fixedly installed on the bottom of transmission shaft 11 installed on mounting bearing 8 intermeshing, so granulating shaft 5 can drive transmission shaft 11 to rotate when rotating, and the fixed mounting of transmission shaft 11 is provided with first belt pulley 12, and the fixed mounting of half hollow tube shaft 22 is provided with second belt pulley 23, and transmission belt 13 is sleeved between first belt pulley 12 and second belt pulley 23, so transmission shaft 11 can drive half hollow tube shaft 22 to rotate when rotating, the top intercommunication installation of setting half hollow tube shaft 22 is provided with liquid feed inlet hopper 24, the worker can open flow regulating valve 27 installed on liquid outlet pipe 26 and import the liquid feed stored in liquid feed storage box 14 into half hollow tube shaft 22 inner chamber, at this time, the liquid feed can enter the inner chamber of horizontal tube 28 rotating with half hollow tube shaft 22, and finally through the discharge hole 29 evenly sprayed in mix and match cylinder 9 inner chamber and solid feed mixes, at this time, half hollow tube shaft 22 drives stirring rod 17 and auxiliary stirring rod 16 and mixes solid feed and liquid feed, and the feed after mixing can be imported into granulating cylinder 3 inner chamber through opening discharge valve 19 installed on discharge pipe 4, the fixed mounting of setting granulating cylinder 3 one end is provided with extrusion disc 30, and the even opening of extrusion disc 30 is provided with a plurality of extrusion holes 31, when granulating shaft 5 drives extrusion spiral 6 to rotate, can push and extrude the feed mixed well to one side of extrusion disc 30, and is extruded through extrusion hole 31 and is extruded and granulated, so as not to install additional motor and can realize the extrusion granulation of feed, and the feed palatability is better, improves the quality of feed, and the practicality is stronger, in addition, the utility model is provided with carbon fiber heating tube 10, heat conduction cylinder 18, guide chute 32 and scraper 33, the fixed mounting of setting mix and match cylinder 9 inner wall is provided with heat conduction cylinder 18, and the even installation of heat conduction cylinder 18 outer wall is provided with a plurality of carbon fiber heating tube 10, when weather is relatively cold, the user can open carbon fiber heating tube 10 and realize heating to mix and match solid feed and liquid feed, to realize the feed after mixing to be at suitable temperature,The disease rate is reduced, in addition, the bottom surface of the inner cavity of the heat conducting cylinder 18 is fixedly provided with a discharging hopper 32, and one end of the stirring rod 17 is fixedly provided with a scraping plate 33, so that the stirring rod 17 can drive the scraping plate 33 to rotate, and the mixed feed adhered to the inner wall of the heat conducting cylinder 18 and the discharging hopper 32 can be scraped by the rotating scraping plate 33, so that the incomplete discharging caused by the adhesion of the feed material is prevented, and the practicability is higher.
[0037] In the utility model, unless another definite provision and limitation, the terms "mount", "set", "connect", "fix", "screw" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated; can be mechanical connection, also can be electrical connection; can be directly connected, also can pass through the indirect connection of intermediate medium, can be the communication or the interaction of two elements of two elements inside, unless another definite limitation, for the ordinary skilled in the art, can understand the concrete meaning of the above-mentioned terms in the utility model according to specific circumstances.
[0038] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A feed mixing device for pig feeding, comprising a mounting frame (1), a granulating cylinder (3) and a mixing cylinder (9), characterized in that, The mounting frame (1) is fixedly installed with a granulating cylinder (3), and a granulating shaft (5) is installed in the inner cavity of the granulating cylinder (3), and an extrusion screw (6) is fixedly installed on the granulating shaft (5), one end of the granulating cylinder (3) is fixedly installed with an extrusion disc (30), a plurality of extrusion holes (31) are uniformly formed in the extrusion disc (30), a motor base (2) is fixedly installed on the mounting frame (1), a servo motor (7) is installed on the motor base (2), and one end of the granulating shaft (5) is connected with the output end of the servo motor (7), a mixing cylinder (9) is fixedly installed on the top end of the mounting frame (1), a semi-hollow tube shaft (22) is installed on the top surface of the mixing cylinder (9), a plurality of stirring rods (17) are fixedly installed on the semi-hollow tube shaft (22), a plurality of auxiliary stirring rods (16) are fixedly installed on the stirring rods (17), an installation bearing (8) is fixedly installed on one side wall of the mixing cylinder (9), a transmission shaft (11) is installed in the installation bearing (8), a second bevel gear (21) is fixedly installed on the bottom end of the transmission shaft (11), a first bevel gear (20) is fixedly installed on one end of the granulating shaft (5), the first bevel gear (20) and the second bevel gear (21) are meshed with each other, a first belt pulley (12) is fixedly installed on one end of the transmission shaft (11), a second belt pulley (23) is fixedly installed on one end of the semi-hollow tube shaft (22), a transmission belt (13) is sleeved between the first belt pulley (12) and the second belt pulley (23), the inner cavity of the semi-hollow tube shaft (22) is symmetrically connected with a cross pipe (28), and a plurality of discharge holes (29) are uniformly formed in the bottom surface of the cross pipe (28).
2. The feed mixing device for breeding boars according to claim 1, wherein A heat conduction cylinder (18) is fixedly installed in the inner cavity of the mixing cylinder (9), a plurality of carbon fiber heating pipes (10) are uniformly installed on the outer wall of the heat conduction cylinder (18), a guide-out hopper (32) is fixedly installed on the bottom of the inner cavity of the heat conduction cylinder (18), a scraping plate (33) is fixedly installed on one end of the stirring rod (17), and the scraping plate (33) abuts against the inner walls of the heat conduction cylinder (18) and the guide-out hopper (32).
3. The feed mixing device for breeding boars according to claim 1, wherein A connecting frame (25) is fixedly connected to the top surface of the mixing cylinder (9), a liquid feed storage box (14) is fixedly installed on the top end of the connecting frame (25), a liquid outlet pipe (26) is communicatively installed on the bottom surface of the liquid feed storage box (14), a flow regulating valve (27) is installed on the liquid outlet pipe (26), and a liquid inlet hopper (24) is communicatively connected to the top of the inner cavity of the semi-hollow tube shaft (22).
4. The feed mixing device for breeding pigs according to claim 1, wherein A solid inlet hopper (15) is communicatively connected to one side of the top of the inner cavity of the mixing cylinder (9).
5. The feed mixing device for breeding pigs according to claim 1, wherein A discharge pipe (4) is communicatively connected between the inner cavities of the granulating cylinder (3) and the mixing cylinder (9), and a discharge valve (19) is installed on the discharge pipe (4).
6. The feed mixing device for breeding pigs according to claim 1, wherein A control panel is fixedly installed on the side wall of the mixing cylinder (9), and the control panel is electrically connected with the servo motor (7), the carbon fiber heating pipes (10), the flow regulating valve (27), and the discharge valve (19).
7. The feed mixing device for breeding pigs according to claim 3, wherein The liquid feed hopper (24), the liquid outlet (26), the semi-hollow tube shaft (22) and the mixing barrel (9) are coaxial.
Citation Information
Patent Citations
Nutrient substance adding device for breeding boar breeding
CN221558180U