A pre-treatment and cleaning device for prepared food products
By designing a pre-processing and cleaning device for prefabricated food products, the driving assembly is used to drive the cylinder to rotate and rinse, which solves the problem of low cleaning efficiency in the existing technology and achieves the convenience of removing impurities on the surface of raw materials and facilitating subsequent processing.
Patent Information
- Application Number
- CN202411348088.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2044-09-26
AI Technical Summary
The prior art is difficult to effectively remove soil and impurities on the surface of raw materials for pre-made food products, resulting in low cleaning efficiency and affecting subsequent production efficiency.
Design a pre-processing and cleaning device for prefabricated food products. By dividing the raw materials according to the production quantities and sending them into the holding component, the driving component is used to drive the cylinder and internal raw materials to rotate and flush, so as to achieve individual cleaning of a small amount of raw materials.
This device removes impurities on the surface of raw materials through brush rods and brush strips. The sponge layer is arranged to avoid interference with the rotation of the cylinder. The electric push rod drives the rotation of the cylinder to improve cleaning efficiency, ensuring cleaning effects and convenience of subsequent processing.
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Figure CN118847570B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of cleaning devices, in particular to a pre-processing and cleaning device for prepared food products. Background Art
[0002] Pre-prepared meals refer to finished or semi-finished products made from agricultural, livestock, poultry, and aquatic products, with various auxiliary ingredients, and made through food matching and nutritional management. After simple cooking or heating, they can be eaten as daily meals. As the pace of life continues to accelerate, the requirements for efficiency have also increased. In order to shorten cooking time, pre-prepared meals are more in line with life habits than take-out. The raw materials for pre-prepared meals need to be pre-processed and cleaned before processing to remove dirt and blood carried by the raw materials.
[0003] The conventional method is to soak or rinse the raw materials directly using cleaning equipment. However, it is difficult to completely remove the dirt attached to the raw materials by the soaking or rinsing technology, so the cleaning efficiency is low, which affects the production efficiency of subsequent pre-prepared dishes. Summary of the invention
[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a pre-processing and cleaning device for prepared food products to solve the problems raised in the above-mentioned background technology. The present invention has a novel structure. The raw materials are divided according to the production quantities and then sent into the interior of the containing component. The cylinder and the internal raw materials are driven by the driving component to rotate and rinse. A small amount of raw materials are cleaned separately to avoid poor cleaning effect caused by the accumulation of raw materials. At the same time, it is convenient to put in and send out the raw materials, which is convenient for the subsequent processing and production of pre-prepared dishes.
[0005] In order to achieve the above-mentioned purpose, the present invention is realized through the following technical scheme: a pre-processing and cleaning device for pre-prepared food products, comprising a base, vertical frames are fixed on both sides of the top of the base, and a turntable is rotatably installed on the top of the vertical frame, two groups of cleaning components are installed between the two turntables, and the two groups of cleaning components are arranged diagonally at the center of the turntable, a first motor is fixed to the outer end of the vertical frame on one side of the base, and the output end of the first motor is fixedly connected to the turntable, the cleaning component comprises a mounting frame, and five groups of partitions are equidistantly fixed on the top of the mounting frame, and the two groups of A containing assembly is provided between the partitions, and the containing assembly includes a cylinder, and leakage grooves are provided on the surface of the cylinder at equal intervals. One end of the cylinder is open, and a shaft plug seat is fixed to the other end of the partition. A driving assembly is provided on one side of the mounting frame, and the driving assembly includes a shaft rod. Both ends of the shaft rod are rotatably mounted on the side edges of the partitions at both ends of the mounting frame through bearings. An insert block shaft is provided inside the partition corresponding to the shaft plug seat, and the insert block shaft can be inserted into the shaft plug seat. A transmission belt is connected between the insert block shaft and the shaft rod, and a spray rack is installed on the upper end of the cleaning assembly located at the front end of the base.
[0006] Furthermore, the driving assembly also includes a mounting plate, and the mounting plate is installed on the back of the transmission belt. One end of the mounting plate is provided with a through hole for the shaft rod to pass through, and the other end of the mounting plate is inserted into the interior of the partition. The partition is provided with a movable groove at a position corresponding to the mounting plate, and the mounting plate slides along the movable groove.
[0007] Furthermore, the plug shaft and the pulley on one side of the transmission belt are rotatably mounted on the mounting plate through bearings, and grooves are provided on the upper and lower sides of the inner ring of the pulley at the other end of the transmission belt, and convex strips are fixed on the upper and lower end surfaces of the shaft rod, and the pulley of the transmission belt slides along the shaft rod and the convex strip through the grooves.
[0008] Furthermore, the four groups of mounting plates are fixedly connected, an electric push rod is fixed to the side of the partition at the front end of the mounting frame, and the extended end of the electric push rod is fixedly connected to the mounting plate.
[0009] Furthermore, a connecting frame is fixed to the bottom of the mounting plate, and a slide is fixedly connected to the connecting frame on the bottom surface of the mounting frame. A sliding groove is provided at a position of the mounting frame corresponding to the slide, and the slide slides along the sliding groove.
[0010] Furthermore, a second motor is fixed on the side surface of the partition at the bottom of the electric push rod, and the output end of the second motor is fixedly connected to the shaft.
[0011] Furthermore, the containing assembly also includes a ring, and a ring is rotatably sleeved on the outer walls at both ends of the cylinder, the two rings are fixedly connected by a cross plate, and a fixing frame is rotatably connected to the middle surface of the cross plate connecting the two rings via a rotating shaft, and the bottom of the fixing frame is fixedly connected to the mounting frame.
[0012] Furthermore, a connecting ring is fixed between the circular rings, and the bottom of the connecting ring is rotatably connected to a connecting rod via a rotating shaft, and the other end of the connecting rod is rotatably mounted on the surface of the skateboard via the rotating shaft.
[0013] Furthermore, a brush rod is fixed at the center of the inner part of the cylinder, and brush strips are fixed on the inner walls of both sides of the leakage groove of the cylinder.
[0014] Furthermore, a sponge layer is provided at one end of the partition facing the opening of the cylinder, and the sponge layer is in compression contact with the opening end of the cylinder.
[0015] Beneficial effects of the present invention:
[0016] 1. The present invention uses the brush rod and the brush strip inside the cylinder. During the rotation of the cylinder, the raw material contacts the brush rod and the brush strip to remove impurities on the surface of the raw material.
[0017] 2. The present invention provides a sponge layer, which is a soft and deformable material. Therefore, when the cylinder rotates, the sponge layer can be squeezed, and the sponge layer shrinks to avoid interference with the rotation of the cylinder. When the cylinder is horizontally arranged, the sponge layer blocks one end of the cylinder opening through its own elasticity to prevent the pre-prepared food ingredients in the cylinder from falling out.
[0018] 3. In the present invention, when the electric push rod pushes the mounting plate to move into the movable groove of the partition, the plug block shaft is separated from the plug shaft seat, the outer end pulley of the transmission belt slides along the convex strip, and the mounting plate drives the slide plate to slide along the slide groove through the connecting frame at the bottom. At this time, the connecting rod pushes the cylinder to rotate with the top of the fixed frame as the center through the connecting ring, and the opening of the cylinder faces upward. Therefore, in this process, the plug block shaft is separated from the plug shaft seat and the plug block shaft is retracted into the movable groove, so it will not interfere with the rotation of the cylinder.
[0019] 4. In the present invention, when the electric push rod drives the mounting plate to move in the opposite direction, the cylinder returns to a flat state, and the plug-in shaft seat is plugged into the plug-in shaft. Through the transmission of the transmission belt, the shaft rod can drive the cylinder to rotate, thereby improving the cleaning efficiency of the internal raw materials. The inner ring of the outer pulley of the transmission belt has a groove that can be slidably connected to the shaft rod, and can slide along the convex strip on the shaft rod. When the shaft rod rotates, it will also drive the rotation of the pulley, thereby transmitting the plug-in shaft. The cylinder of the cleaning component at the bottom of the spray rack is turned over with the opening facing upward, which is convenient for putting in the raw materials of the pre-prepared dishes. The cylinder of the other set of cleaning components is turned over with the opening facing upward, which is convenient for sending out the raw materials.
[0020] 5. The present invention drives the disc to rotate through the first motor, and the two groups of cleaning components are exchanged to send the cleaned raw materials out from the other end. The two groups of replacement cleaning components can improve the cleaning efficiency, and the cylinder rotation of the cleaning components maintains synchronization, thereby facilitating the cleaning of the raw materials in equal parts.
[0021] 6. Compared with the prior art, the present invention divides the raw materials into portions according to the production amount and then delivers them into the containing component. The cylinder and the internal raw materials are driven to rotate and rinse by the driving component, and a small amount of raw materials are cleaned separately to avoid poor cleaning effect caused by the accumulation of raw materials. At the same time, it is convenient to put in and send out the raw materials, which is convenient for the subsequent processing and production of pre-prepared dishes. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the overall structure of a pre-processing and cleaning device for pre-prepared food products of the present invention;
[0023] Figure 2 It is a schematic diagram of the position distribution of two groups of cleaning components of a pre-processing and cleaning device for prepared food products of the present invention;
[0024] Figure 3 This is a schematic diagram of the structure of a cleaning component of a pre-processing and cleaning device for pre-prepared food products of the present invention;
[0025] Figure 4 This is a schematic diagram of the structure of a driving assembly of a pre-processing and cleaning device for pre-prepared food products of the present invention;
[0026] Figure 5 It is a schematic diagram of the connection between the plug-in shaft seat and the plug-in block shaft of a pre-processing and cleaning device for pre-made food products of the present invention;
[0027] Figure 6 It is a schematic diagram of the internal structure of a moving tank of a pre-processing and cleaning device for pre-prepared food products of the present invention;
[0028] Figure 7 It is a schematic diagram of the separation of the cylinder and the ring of a pre-processing and cleaning device for pre-prepared food products of the present invention;
[0029] Figure 8 The present invention is a schematic diagram of the internal structure of a cylinder of a pre-processing and cleaning device for pre-prepared food products.
[0030] In the figure: 1. base; 11. spray rack; 2. vertical frame; 21. first motor; 22. turntable; 3. cleaning component; 31. mounting frame; 32. partition; 33. sponge layer; 34. moving groove; 4. driving component; 43. shaft rod; 44. mounting plate; 45. transmission belt; 46. slide groove; 47. slide plate; 48. connecting rod; 49. connecting frame; 410. convex strip; 411. plug-in block shaft; 412. slot; 5. containing component; 51. cylinder; 52. ring; 53. fixing frame; 54. plug-in shaft seat; 55. brush rod; 56. brush strip; 57. drain groove; 58. connecting ring. DETAILED DESCRIPTION
[0031] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.
[0032] See also Figures 1 to 8The present invention provides a technical solution: a pre-processing and cleaning device for pre-prepared food products, comprising a base 1, vertical frames 2 are fixed on both sides of the top of the base 1, and a turntable 22 is rotatably installed on the top of the vertical frame 2, two groups of cleaning components 3 are installed between the two turntables 22, and the two groups of cleaning components 3 are arranged diagonally at the center of the turntable 22, a first motor 21 is fixed to the outer end of the vertical frame 2 on one side of the base 1, and the output end of the first motor 21 is fixedly connected to the turntable 22, and the cleaning component 3 includes a mounting frame 31, five groups of partitions 32 are fixed at equal intervals on the top of the mounting frame 31, and a containing assembly 5 is provided between two groups of the partitions 32. The containing assembly 5 includes a cylinder 51, and a drain groove 57 is opened at equal intervals on the surface of the cylinder 51. One end of the cylinder 51 is open, and a plug-in shaft seat 54 is fixed at the other end of the partition 32. A driving assembly 4 is provided on one side of the mounting frame 31, and the driving assembly 4 includes a shaft rod 43. The two ends of the shaft rod 43 are rotatably mounted on the sides of the partitions 32 at both ends of the mounting frame 31 through bearings. , the partition 32 is provided with an insert block shaft 411 corresponding to the insert shaft seat 54, and the insert block shaft 411 can be inserted into the insert shaft seat 54, and a transmission belt 45 is connected between the insert block shaft 411 and the shaft rod 43, and the upper end of the cleaning component 3 located at the front end of the base 1 is installed with a spray rack 11. When using the device, the pre-prepared food ingredients are evenly distributed according to the ingredients required for each portion of production, and the cylinder 51 of the spray component at the bottom of the spray rack 11 is rotated together with the opening facing upwards, and the pre-prepared food ingredients are put into the opening of the cylinder 51, and then The cylinder 51 rotates to a horizontal state, and is driven to rotate by the driving component 4, and cooperates with the spray rack 11 on the top to rinse the internal pre-prepared food ingredients. During this process, a drainage trough should be set on the base 1 to recover the cleaning water. After cleaning is completed, the disc is driven to rotate by the first motor 21, and the two groups of cleaning components 3 are swapped to send the cleaned ingredients out from the other end. The two replaced groups of cleaning components 3 can improve the cleaning efficiency, and the rotation of the cylinder 51 of the cleaning component 3 remains synchronous, so as to facilitate the cleaning of the raw materials in equal parts.
[0033] In this embodiment, the driving component 4 also includes a mounting plate 44, and a mounting plate 44 is installed on the back of the transmission belt 45. A through hole is opened at one end of the mounting plate 44 for the shaft rod 43 to pass through, and the other end of the mounting plate 44 is inserted into the interior of the partition 32. The partition 32 is provided with a movable groove 34 at a position corresponding to the mounting plate 44, and the mounting plate 44 slides along the movable groove 34. The plug-in shaft 411 and the pulley on one side of the transmission belt 45 are rotatably mounted on the mounting plate 44 through bearings, and the upper and lower sides of the inner ring of the pulley at the other end of the transmission belt 45 are provided with a card groove 412. The upper and lower end surfaces of the shaft rod 43 are fixed with convex strips 410, and the pulley of the transmission belt 45 is through The four groups of mounting plates 44 are fixedly connected by sliding through the card slot 412 along the shaft 43 and the convex strip 410. An electric push rod is fixed on the side of the partition 32 at the front end of the mounting frame 31, and the extended end of the electric push rod is fixedly connected to the mounting plate 44. A second motor is fixed on the side surface of the partition 32 at the bottom of the electric push rod, and the output end of the second motor is fixedly connected to the shaft 43. The shaft 43 is driven to rotate by the second motor, and the horizontally placed cylinder 51 is rotated through the transmission of the transmission belt 45 to clean the internal raw materials. When the cleaning is completed, the cylinder 51 is rotated to a vertical state again to expose the opening of the cylinder 51, thereby facilitating the placement or removal of raw materials.
[0034] In this embodiment, a connecting frame 49 is fixed to the bottom of the mounting plate 44, and a slide 47 is fixedly connected to the connecting frame 49 on the bottom surface of the mounting frame 31. A slide groove 46 is provided at a position of the mounting frame 31 corresponding to the slide 47, and the slide 47 slides along the slide groove 46. The containing assembly 5 also includes a ring 52, and rings 52 are rotatably sleeved on the outer walls of both ends of the cylinder 51. The two rings 52 are fixedly connected by a transverse plate, and a fixing frame 53 is rotatably connected to the middle surface of the transverse plate connected by the two rings 52 through a rotating shaft, and the bottom of the fixing frame 53 is fixedly connected to the mounting frame 31, and a connecting ring 58 is fixed between the rings 52, and the bottom of the connecting ring 58 is rotatably connected to the connecting rod 48 through a rotating shaft, and the other end of the connecting rod 48 is rotatably mounted on the surface of the slide 47 through a rotating shaft, and the inclination of the connecting rod 48 is as shown in Figure 3 and Figure 4As shown, when the electric push rod pushes the mounting plate 44 to move into the movable groove 34 of the partition plate 32, the plug shaft 411 is separated from the plug shaft seat 54, and the outer end pulley of the transmission belt 45 slides along the convex strip 410. The mounting plate 44 drives the slide plate 47 to slide along the slide groove 46 through the bottom connecting frame 49. At this time, the connecting rod 48 pushes the cylinder 51 to rotate with the top of the fixing frame 53 as the center through the connecting ring 58, so that the opening of the cylinder 51 is facing upward. Therefore, in this process, the plug shaft 411 is separated from the plug shaft seat 54 and the plug shaft 411 is retracted into the movable groove 34. Therefore, it will not interfere with the rotation of the cylinder 51. The cylinder 51 does not need to be completely rotated to a vertical state. It only needs to expose the opening to facilitate the placement or pouring of raw materials. When the electric push rod drives the mounting plate 44 in the reverse direction When moving, the cylinder 51 returns to a flat state, and the shaft seat 54 is plugged into the plug-in block shaft 411. Through the transmission of the transmission belt 45, the shaft rod 43 can drive the cylinder 51 to rotate, thereby improving the cleaning efficiency of the internal raw materials. The inner ring of the outer pulley of the transmission belt 45 has a groove 412 that can be slidably engaged on the shaft rod 43, and can slide along the convex strip 410 on the shaft rod 43. When the shaft rod 43 rotates, it will also drive the rotation of the pulley, thereby transmitting the plug-in block shaft 411. The cylinder 51 of the cleaning component 3 at the bottom of the spray rack 11 is turned over and the opening is facing upward, which is convenient for putting in the raw materials of the pre-prepared dishes. The cylinder 51 of the other group of cleaning components 3 is turned over and the opening is facing upward, which is convenient for sending out the raw materials. At this time, the base 1 at the bottom of the other group should be provided with a collection frame to collect the raw materials.
[0035] In this embodiment, a brush rod 55 is fixed at the inner center of the cylinder 51, and brush strips 56 are fixed on the inner walls on both sides of the leakage groove 57 of the cylinder 51. The pre-prepared food ingredients are placed in the cylinder 51. During the rotation of the cylinder 51, the ingredients come into contact with the brush rod 55 and the brush strips 56 to remove impurities on the surface of the ingredients.
[0036] In this embodiment, a sponge layer 33 is provided at one end of the partition 32 that is open to the cylinder 51, and the sponge layer 33 is in compression contact with the open end of the cylinder 51. The sponge layer 33 is a soft deformable material, so when the cylinder 51 rotates, the sponge layer 33 can be squeezed, and the sponge layer 33 shrinks to avoid interfering with the rotation of the cylinder 51. When the cylinder 51 is horizontally arranged, the sponge layer 33 blocks the open end of the cylinder 51 through its own elasticity to prevent the pre-prepared food ingredients in the cylinder 51 from falling out.
[0037] When using the device, the pre-prepared food ingredients are evenly distributed according to the ingredients required for each portion of production. When the electric push rod pushes the mounting plate 44 to move into the movable groove 34 of the partition plate 32, the plug block shaft 411 is separated from the plug shaft seat 54, and the outer end pulley of the transmission belt 45 slides along the convex strip 410. The mounting plate 44 drives the slide plate 47 to slide along the slide groove 46 through the bottom connecting frame 49. At this time, the connecting rod 48 drives the cylinder 51 to rotate with the top of the fixing frame 53 as the center through the connecting ring 58, and the opening of the cylinder 51 is facing upwards, and the pre-prepared food ingredients are put into the opening of the cylinder 51. When the electric push rod drives the mounting plate 44 to move in the opposite direction, the cylinder 51 returns to a flat state, and the plug shaft seat 54 is plugged into the plug-in shaft 411, and the inner ring of the outer pulley of the transmission belt 45 has a groove 412 that can be slidably plugged into the shaft 43 and can slide along the convex strip 410 on the shaft 43. When the shaft 43 rotates, it will also drive the rotation of the pulley, thereby transmitting the block shaft 411. The cylinder 51 of the cleaning component 3 at the bottom of the spray rack 11 is turned over and the opening is facing upward, which is convenient for putting the ingredients of the pre-prepared dishes into. Through the transmission of the transmission belt 45, the shaft 43 can drive the cylinder 51 to rotate, thereby improving the cleaning efficiency of the internal ingredients. After cleaning is completed, the disc is driven to rotate by the first motor 21, and the two groups of cleaning components 3 exchange positions to send the cleaned ingredients out from the other end.
[0038] The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention.
[0039] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A pre-processing and cleaning device for prepared food products, comprising a base (1), characterized in that: Vertical frames (2) are fixed on both sides of the top of the base (1), and a turntable (22) is rotatably mounted on the top of the vertical frame (2). Two groups of cleaning components (3) are installed between the two turntables (22), and the two groups of cleaning components (3) are arranged diagonally with respect to the center of the turntable (22). A first motor (21) is fixed on the outer end of the vertical frame (2) on one side of the base (1), and the output end of the first motor (21) is fixedly connected to the turntable (22). The cleaning component (3) comprises a mounting frame (31), and five groups of partitions (32) are equidistantly fixed on the top of the mounting frame (31). A containing component (5) is provided between the two groups of partitions (32), and the containing component (5) comprises a cylinder (51), and drain grooves are equidistantly provided on the surface of the cylinder (51). (57), one end of the cylinder (51) is open, and the other end of the partition (32) is fixed with an insertion shaft seat (54), one side of the mounting frame (31) is provided with a driving assembly (4), the driving assembly (4) includes a shaft rod (43), both ends of the shaft rod (43) are rotatably mounted on the sides of the partition (32) at both ends of the mounting frame (31) through bearings, the partition (32) is provided with an insertion block shaft (411) inside the corresponding insertion shaft seat (54), and the insertion block shaft (411) can be inserted into the insertion shaft seat (54), a transmission belt (45) is connected between the insertion block shaft (411) and the shaft rod (43), the upper end of the cleaning assembly (3) located at the front end of the base (1) is installed with a spray frame (11), and the driving assembly (4) also includes a mounting plate (44), a mounting plate (44) is installed on the back of the transmission belt (45), one end of the mounting plate (44) is provided with a through hole for the shaft (43) to pass through, and the other end of the mounting plate (44) is inserted into the interior of the partition (32), the partition (32) is provided with a movable groove (34) at a position corresponding to the mounting plate (44), and the mounting plate (44) slides along the movable groove (34), the plug-in shaft (411) and the pulley on one side of the transmission belt (45) are rotatably mounted on the mounting plate (44) through bearings, and the inner ring of the pulley at the other end of the transmission belt (45) is provided with a clamping groove (412) on both sides, and the upper and lower end surfaces of the shaft (43) are fixed with a convex strip (410), and the pulley of the transmission belt (45) is moved along the shaft (43) through the clamping groove (412). 3) and the convex strip (410) slide, the four groups of mounting plates (44) are fixedly connected, an electric push rod is fixed on the side of the partition (32) at the front end of the mounting frame (31), and the extended end of the electric push rod is fixedly connected to the mounting plate (44), a connecting frame (49) is fixed on the bottom surface of the mounting frame (31), and a slide plate (47) is fixedly connected to the connecting frame (49) located on the bottom surface of the mounting frame (31), and a slide groove (46) is opened at a position of the mounting frame (31) corresponding to the slide plate (47), and the slide plate (47) slides along the slide groove (46), the containing component (5) also includes a ring (52), and the outer walls of both ends of the cylinder (51) are rotatably sleeved with the rings (52), and the two rings (52) are fixedly connected by a transverse plate.A fixing frame (53) is rotatably connected to the middle surface of the horizontal plate connected by the two circular rings (52) via a rotating shaft, and the bottom of the fixing frame (53) is fixedly connected to the mounting frame (31). A connecting ring (58) is fixed between the circular rings (52), and the bottom of the connecting ring (58) is rotatably connected to a connecting rod (48) via a rotating shaft, and the other end of the connecting rod (48) is rotatably mounted on the surface of the slide plate (47) via a rotating shaft. A brush rod (55) is fixed at the center of the inner circle of the cylinder (51), and brush strips (56) are fixed on the inner walls of both sides of the leakage groove (57) of the cylinder (51). A second motor is fixed to the side surface of the partition (32) at the bottom of the electric push rod, and the output end of the second motor is fixedly connected to the shaft rod (43).
Citation Information
Patent Citations
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