Support structure for additive manufacturing of automobile suspension component

By designing clamping and fixing mechanisms, the slippage problem caused by surface smoothness in the additive manufacturing of suspension components is solved, and a more stable processing effect is achieved.

CN120503154AInactive Publication Date: 2025-08-19CHENGDU IND VOCATIONAL TECHN COLLEGE
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Patent Information

Application Number
CN202510766851.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-10
Publication Date
2025-08-19
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the prior art, when the suspension components are additively manufactured, the fixation is unstable due to the smooth surface of the components, which is easy to slip and cause processing deviations.

Method used

A support structure including a clamping mechanism and a fixing mechanism is designed. The clamping mechanism drives the push plate downward to increase the fixing force by meshing with the clamping plate, and the fixing mechanism enhances the fixing effect through the mating of the air cushion and the reinforcement block.

Benefits of technology

Improve the machining stability of suspension components, prevent slippage, and ensure machining accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of automobile suspension manufacturing, in particular to a supporting structure for additive manufacturing of automobile suspension parts, and provides the following scheme that the supporting structure comprises a base, the top of the base is connected with a moving seat through bolts, notches are formed in the two sides of the top of the moving seat, and a clamping mechanism is arranged between the two notches; base plates are arranged on the two sides of the top of the clamping mechanism, the tops of the base plates are connected with side plates through bolts, one sides of the side plates are connected with supporting seats through bolts, positioning grooves are formed in the tops of the supporting seats, positioning blocks are slidably connected to the inner walls of the positioning grooves, and clamping plates are connected to the tops of the positioning blocks through bolts; and a fixing mechanism is arranged at the top of the clamping plate. The fixing stability of the part is improved, the part can be conveniently machined, and the situation that due to the fact that the surface of the part is smooth, the part slips in the machining process, the machining stability of the part is poor, and deviation is caused to machining of the part is avoided.
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Description

Technical Field

[0001] The present invention relates to the field of automobile suspension manufacturing, and in particular to a support structure for additive manufacturing of automobile suspension components. Background Art

[0002] The suspension system refers to a connecting structural system between the vehicle body, frame and wheels. This structural system includes components such as shock absorbers, suspension springs, anti-roll bars, suspension subframes, lower control arms, longitudinal rods, steering knuckle arms, rubber bushings and connecting rods. When additive manufacturing is performed on automobile suspension components, the additive manufacturing of automobile suspension components requires support.

[0003] After searching, a Chinese patent application with application publication number CN114800335B discloses a component processing support device for an automobile production line, comprising: a base, a support leg, a wheel hub fixing mechanism, a support rod, a driven helical gear, a fixing plate, a rocker, a driving helical gear, a fixing mechanism, a lifting rod, a baffle, a screw, a support plate, a handle, a support rod, a slot, a connecting seat, and a support mechanism. The wheel hub fixing mechanism and the support mechanism can be switched and fixed to the top of the support plate by the cooperation between the slot, the block, the fixing rod, and the spring. The support plate can be controlled to drag the entire device up or down by the cooperation between the handle, the rocker, the driving helical gear, the driven helical gear, the screw, and the support rod. The height can be adjusted as needed. The support mechanism can support automobile components during automobile assembly or processing and can be adjusted as needed. It is flexible to use and can be used in conjunction with each other.

[0004] When supporting the additive manufacturing of automotive suspension components, existing structures typically place the components on a support structure and secure both sides of the components to facilitate processing. However, during the securing process, the components often slip due to their relatively smooth surface, causing deviations in the additive manufacturing of the suspension components. Summary of the Invention

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] The top of the movable frame is connected to the supporting plate by bolts, and the top of the movable frame is provided with a clamping mechanism. The top of the movable frame is provided with a pad on both sides of the clamping mechanism, and the top of the pad is connected to the side plate by bolts. One side of the side plate is connected to the support seat by bolts, and the top of the support seat is provided with a positioning groove. The inner wall of the positioning groove is slidably connected with a positioning block, and the top of the positioning block is connected to a splint by bolts. A fixing mechanism is provided on the top of the splint, and a first spring is connected to the side plate by bolts. The top of the movable seat is connected to the support frame by bolts at a middle position, and the top of the support frame is provided with multiple anti-slip grooves.

[0007] Preferably, the clamping mechanism includes a double-headed screw, two moving blocks, a motor, two pulleys and a belt, and the two ends of the double-headed screw are connected to the two notches by a bearing to form a rotation connection, the two moving blocks are slidingly connected to the two notches, threaded holes are opened on one side of the two moving blocks, the double-headed screw is threadedly connected to the two threaded holes, the threads on both sides of the double-headed screw are in opposite directions, the top of the base is connected to the motor by a bolt, one end of the motor and one end of the double-headed screw are fixed with a support shaft, the two pulleys are fixedly sleeved on the outer walls of the two support shafts, a rotation connection is formed between the belt and the two pulleys, and the top of the two moving blocks is connected to the bottom of the two pads by bolts.

[0008] Preferably, the fixing mechanism includes a fixed splint, a push plate and a transmission assembly, and a limiter is connected between the four corners of the top of the fixed splint and the splint by bolts, a second spring is sleeved on the outer wall of the limiter, the limiter is made of telescopic material, the bottom of the push plate and the top of the fixed splint are connected by bolts, and the push plate and the side plate are connected by a transmission assembly.

[0009] Preferably, the transmission assembly consists of a first gear, a transmission bar, two second gears and two racks, and the first gear is meshed with the transmission bar, a through opening is opened through the top of the splint, and a rotating rod is rotatably connected between the opposite sides of the through opening through a bearing, the first gear is fixedly sleeved on the outer wall of the rotating rod, the bottom of the transmission bar is fixedly connected to the top of the push plate, the two second gears are fixedly sleeved on both sides of the outer wall of the rotating rod, one end of the two racks is connected to one side of the side plate by bolts, and the racks are meshed with the second gear.

[0010] Preferably, both ends of one side of the side plate are connected to a protective cover by bolts, and the cross section of the protective cover is U-shaped, and the rack is located inside the protective cover.

[0011] Preferably, a reinforcement mechanism is provided on the top of the fixing mechanism, and the reinforcement mechanism cooperates with the fixing mechanism.

[0012] Preferably, the reinforcement mechanism includes a push rod, a support block, a pressure plate, an air cushion, two pull-out plates, a connecting plate, a pulling cylinder, a piston plate and a reinforcement block, and the air cushion is located between the bottom of the pressure plate and the top of the support block, one end of the two pull-out plates is connected to one side of the support block by a bolt, the two pull-out plates are fixedly connected to the connecting plate, one side of the connecting plate is fixedly connected to the top of the push rod with a connecting shaft, a sliding opening is opened through the top of the support block, and a pull rod is slidably connected to the inner wall of the sliding opening, the top of the pull rod is fixedly connected to the bottom of the pressure plate, the bottom of the pull rod is connected to the transmission bar by a bolt, one side of the bottom of the support block is fixedly connected to the top of the pulling cylinder, a conduit is provided between the pulling cylinder and the air cushion, the piston plate is slidably connected to the inner wall of the pulling cylinder, and the bottom of the piston plate is fixedly connected to the reinforcement block.

[0013] Preferably, both ends of one side of the side panel are penetrated with a pull-out opening, the pull-out opening is slidably connected to the pull-out plate, and a pull-out hole is penetrated near the bottom of one side of the side panel, and the pull-out hole is slidably connected to the push rod.

[0014] The beneficial effects of the present invention are:

[0015] 1. The present invention provides a clamping mechanism and a fixing mechanism. When the suspension component is additively manufactured, the component is placed on the support frame, and at the same time, the clamping mechanism is started so that both sides of the component are supported on both sides of the clamping mechanism. At this time, as the clamping mechanism continues to move, the splint will slide to one side under the pressure of the component. At this time, the second gear will mesh with the rack when moving, and the second gear will drive the rotating rod to rotate under the action of the meshing, and the first gear will rotate synchronously with the rotation of the rotating rod. At this time, the first gear will mesh with the transmission bar when rotating, and the transmission bar will drive the push plate to move downward under the action of the first gear, and the push plate will drive the fixed splint to move downward synchronously when moving downward. At this time, the fixed splint will act on the surface of one side of the component, and the fixing clamping force of the fixed splint on the component will increase with the movement of the clamping mechanism, thereby improving the stability of the component fixation, so as to facilitate the processing of the component and prevent the component from slipping during processing due to the relatively smooth surface of the component, which makes the component processing stability poor, and thus causes deviation in the processing of the component;

[0016] 2. The present invention is provided with a fixing mechanism and a reinforcement mechanism. When the transmission bar drives the push plate to move downward under the action of the first gear, the pull rod will move downward synchronously with the downward movement of the transmission bar. At this time, the pull rod will drive the pressure plate to move downward when it moves downward, and the pressure plate will squeeze the air cushion when it moves downward. At this time, the gas inside the air cushion will be transported to the inside of the pulling cylinder through the conduit after being squeezed, and the air pressure inside the pulling cylinder will increase with the input of gas. At this time, the piston plate will drive the reinforcement block to move downward under the action of the air pressure, and the reinforcement block will act on one side of the component, so that the component can be effectively fixed through the cooperation between the reinforcement mechanism and the fixing mechanism, thereby improving the stability of the component processing, and then improving the processing effect of the component. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a support structure for additive manufacturing of automotive suspension components proposed by the present invention;

[0018] Figure 2 This is a schematic diagram of the clamping mechanism structure of a support structure for additive manufacturing of automobile suspension components proposed by the present invention;

[0019] Figure 3 This is a schematic diagram of the fixing mechanism and reinforcement mechanism of a support structure for additive manufacturing of an automobile suspension component proposed by the present invention;

[0020] Figure 4 This is a schematic diagram of the fixing mechanism structure of a support structure for additive manufacturing of an automobile suspension component proposed by the present invention;

[0021] Figure 5 This is a schematic diagram of the exploded structure of the fixing mechanism of the support structure for additive manufacturing of automobile suspension components proposed by the present invention;

[0022] Figure 6 This is a schematic diagram of the transmission assembly structure of a support structure for additive manufacturing of an automobile suspension component proposed by the present invention;

[0023] Figure 7 This is a schematic diagram of the exploded structure of the reinforcement mechanism of the support structure for additive manufacturing of automobile suspension components proposed by the present invention.

[0024] In the accompanying drawings: 1, base; 2, moving seat; 3, notch; 4, clamping mechanism; 5, side plate; 6, support frame; 7, fixing mechanism; 8, pad; 9, double-headed screw; 10, moving block; 11, motor; 12, support shaft; 13, pulley; 14, belt; 15, support seat; 16, positioning groove; 17, clamping plate; 18, reinforcement mechanism; 19, positioning block; 20, first spring; 21, through-hole; 22, fixing clamping plate; 2 3. Second spring; 24. Limiter; 25. Push plate; 26. Transmission assembly; 27. Rack; 28. Protective cover; 29. Turn rod; 30. First gear; 31. Transmission bar; 32. Second gear; 33. Support block; 34. Pull-out plate; 35. Connecting plate; 36. Push rod; 37. Connecting shaft; 38. Press plate; 39. Air cushion; 40. Pull rod; 41. Pull-out cylinder; 42. Piston plate; 43. Reinforcement block; 44. Conduit. DETAILED DESCRIPTION

[0025] Example 1, with reference to Figures 1-6 A support structure for additive manufacturing of automobile suspension components includes a base 1, a movable base 2 is connected to the top of the base 1 by bolts, and slots 3 are provided on both sides of the top of the movable base 2, a clamping mechanism 4 is provided between the two slots 3, a pad 8 is provided on both sides of the top of the clamping mechanism 4, and the top of the pad 8 is connected to a side plate 5 by bolts, one side of the side plate 5 is connected to a support base 15 by bolts, and a positioning groove 16 is provided on the top of the support base 15, and the inner wall of the positioning groove 16 is slidably connected to a positioning block 19, and the positioning block 19 The top of the movable seat 2 is connected to the support frame 6 by bolts, and a plurality of anti-slip grooves are provided on the top of the support frame 6 to improve the stability of the component fixation, so as to facilitate the processing of the component and prevent the component from slipping during processing due to the relatively smooth surface of the component, resulting in poor stability of the component processing and causing deviation in the processing of the component.

[0026] On the basis of the above, the clamping mechanism 4 includes a double-headed screw 9, two moving blocks 10, a motor 11, two pulleys 13 and a belt 14, and the two ends of the double-headed screw 9 are connected to the two slots 3 by bearings to form a rotation connection, and the two moving blocks 10 are slidingly connected to the two slots 3. Threaded holes are opened on one side of the two moving blocks 10, and the double-headed screw 9 is threadedly connected to the two threaded holes. The thread directions on both sides of the double-headed screw 9 are opposite. The top of the base 1 is connected to the motor 11 by bolts, and one end of the motor 11 and one end of the double-headed screw 9 are fixed with a support shaft 12. The two pulleys 13 are fixedly sleeved on the outer walls of the two support shafts 12. A rotation connection is formed between the belt 14 and the two pulleys 13, and the top of the two moving blocks 10 and the bottom of the two pads 8 are connected by bolts.

[0027] On the basis of the above, the fixing mechanism 7 includes a fixed splint 22, a push plate 25 and a transmission assembly 26, and the four corners of the top of the fixed splint 22 are connected to the splint 17 by bolts with a limiter 24, the outer wall of the limiter 24 is sleeved with a second spring 23, the limiter 24 is made of telescopic material, the bottom of the push plate 25 is connected to the top of the fixed splint 22 by bolts, and the push plate 25 and the side plate 5 are connected by a transmission assembly 26.

[0028] On the basis of the above, the transmission assembly 26 consists of a first gear 30, a transmission bar 31, two second gears 32 and two racks 27, and the first gear 30 is meshed with the transmission bar 31. A through opening 21 is opened through the top of the splint 17, and a rotating rod 29 is rotatably connected between the opposite sides of the through opening 21 through a bearing. The first gear 30 is fixedly sleeved on the outer wall of the rotating rod 29, and the bottom of the transmission bar 31 is fixedly connected to the top of the push plate 25. The two second gears 32 are fixedly sleeved on both sides of the outer wall of the rotating rod 29. One end of the two racks 27 is connected to one side of the side plate 5 by bolts, and the rack 27 is meshed with the second gear 32.

[0029] On the basis of the above, both ends of one side of the side plate 5 are connected with a protective cover 28 by bolts, and the cross section of the protective cover 28 is U-shaped, and the rack 27 is located inside the protective cover 28.

[0030] Example 2, reference Figure 1-Figure 7 , a support structure for additive manufacturing of automobile suspension components. Compared with Example 1, on the basis of Example 1, a reinforcement mechanism 18 is provided on the top of the fixing mechanism 7, and the reinforcement mechanism 18 is matched with the fixing mechanism 7.

[0031] On the basis of the above, the reinforcement mechanism 18 includes a push rod 36, a support block 33, a pressure plate 38, an air cushion 39, two pull-out plates 34, a connecting plate 35, a pull-out cylinder 41, a piston plate 42 and a reinforcement block 43, and the air cushion 39 is located between the bottom of the pressure plate 38 and the top of the support block 33, one end of the two pull-out plates 34 is connected to one side of the support block 33 by bolts, the two pull-out plates 34 are fixedly connected to the connecting plate 35, and one side of the connecting plate 35 is fixedly connected to the top of the push rod 36 There is a connecting shaft 37, and a sliding opening is opened through the top of the support block 33. The inner wall of the sliding opening is slidably connected with a pull rod 40. The top of the pull rod 40 is fixedly connected to the bottom of the pressure plate 38. The bottom of the pull rod 40 is connected to the transmission bar 31 by bolts. One side of the bottom of the support block 33 is fixedly connected to the top of the pulling cylinder 41. A conduit 44 is provided between the pulling cylinder 41 and the air cushion 39. The piston plate 42 is slidably connected to the inner wall of the pulling cylinder 41, and the bottom of the piston plate 42 is fixedly connected to the reinforcement block 43.

[0032] On the basis of the above, both ends of one side of the side panel 5 are penetrated with a pull-out opening, and the pull-out opening is slidingly connected to the pull-out plate 34. A pull-out hole is penetrated near the bottom of one side of the side panel 5, and the pull-out hole is slidingly connected to the push rod 36. Through the cooperation between the reinforcement mechanism 18 and the fixing mechanism 7, the components can be effectively fixed, thereby improving the stability of the component processing and further improving the processing effect of the component.

[0033] In summary, with the help of the above-mentioned technical solution of the present invention: when the suspension component is additively manufactured, the component is placed on the support frame 6, and at the same time, the clamping mechanism 4 is started, so that the two sides of the component are supported on the two sides of the clamping mechanism 4. At this time, as the clamping mechanism 4 continues to move, the clamping plate 17 will slide to one side under the pressure of the component. At this time, the second gear 32 will mesh with the rack 27 when moving, and the second gear 32 will drive the rotating rod 29 to rotate under the action of the meshing, and the first gear 30 will rotate synchronously with the rotation of the rotating rod 29. At this time, the first gear 30 will mesh with the transmission bar 31 when rotating, and the transmission bar 31 will drive the push plate 25 to move downward under the action of the first gear 30, and the push plate 25 will drive the fixed clamping plate 22 to move downward synchronously when it moves downward. At this time, the fixed clamping plate 22 will act on the surface of one side of the component, and the fixed clamping force of the fixed clamping plate 22 on the component will increase with the movement of the clamping mechanism 4, thereby improving the component. The fixed stability is to facilitate the processing of the components and prevent the components from slipping during processing due to the relatively smooth surface of the components, which makes the processing stability of the components poor and causes deviations in the processing of the components. When the transmission bar 31 drives the push plate 25 to move downward under the action of the first gear 30, the pull rod 40 will move downward synchronously with the downward movement of the transmission bar 31. At this time, the pull rod 40 will drive the pressure plate 38 to move downward when it moves downward, and the pressure plate 38 will squeeze the air cushion 39 when it moves downward. At this time, the gas inside the air cushion 39 will be transported to the inside of the pulling cylinder 41 through the conduit 44 after being squeezed, and the air pressure inside the pulling cylinder 41 will increase with the input of the gas. At this time, the piston plate 42 will drive the reinforcement block 43 to move downward under the action of the air pressure, and the reinforcement block 43 will act on one side of the component, so that the component can be effectively fixed through the cooperation between the reinforcement mechanism 18 and the fixing mechanism 7, thereby improving the stability of the component processing and thus improving the processing effect of the component.

[0034] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A support structure for additive manufacturing of automobile suspension components, comprising a base (1), characterized in that: The top of the base (1) is connected to a movable seat (2) by bolts, and notches (3) are provided on both sides of the top of the movable seat (2), a clamping mechanism (4) is provided between the two notches (3), a pad (8) is provided on both sides of the top of the clamping mechanism (4), and the top of the pad (8) is connected to a side plate (5) by bolts, one side of the side plate (5) is connected to a support seat (15) by bolts, and a positioning groove (16) is provided on the top of the support seat (15) The inner wall of the positioning groove (16) is slidably connected to a positioning block (19), and the top of the positioning block (19) is connected to a clamping plate (17) by bolts, and a fixing mechanism (7) is provided on the top of the clamping plate (17). A first spring (20) is connected between one side of the positioning block (19) and the side plate (5) by bolts. The top of the movable seat (2) is located in the middle position and is connected to a support frame (6) by bolts, and a plurality of anti-slip grooves are provided on the top of the support frame (6).

2. The support structure for additive manufacturing of automobile suspension components according to claim 1, characterized in that: The clamping mechanism (4) comprises a double-headed screw (9), two moving blocks (10), a motor (11), two pulleys (13) and a belt (14), and the two ends of the double-headed screw (9) are connected to the two notches (3) in a rotational manner through bearings, and the two moving blocks (10) are connected to the two notches (3) in a sliding manner. One side of the two moving blocks (10) is provided with a threaded hole, and the double-headed screw (9) is threadedly connected to the two threaded holes. The thread directions on both sides of the double-headed screw (9) are opposite. The top of the base (1) is connected to the motor (11) by a bolt, and one end of the motor (11) and one end of the double-headed screw (9) are fixed with a support shaft (12). The two pulleys (13) are fixedly sleeved on the outer walls of the two support shafts (12). The belt (14) is connected to the two pulleys (13) in a rotational manner, and the top of the two moving blocks (10) is connected to the bottom of the two pads (8) by a bolt.

3. The support structure for additive manufacturing of automobile suspension components according to claim 1, characterized in that: The fixing mechanism (7) includes a fixed splint (22), a push plate (25) and a transmission assembly (26), and a limiter (24) is connected between the four corners of the top of the fixed splint (22) and the splint (17) by bolts, and the outer wall of the limiter (24) is sleeved with a second spring (23). The limiter (24) is made of a telescopic material, and the bottom of the push plate (25) is connected to the top of the fixed splint (22) by bolts, and the push plate (25) and the side plate (5) are connected by a transmission assembly (26).

4. The support structure for additive manufacturing of automobile suspension components according to claim 3, characterized in that: The transmission assembly (26) is composed of a first gear (30), a transmission bar (31), two second gears (32) and two racks (27), and the first gear (30) is meshed with the transmission bar (31). A through-hole (21) is provided on the top of the splint (17). A rotating rod (29) is rotatably connected between the two opposite sides of the through-hole (21) through a bearing. The first gear (30) is fixedly sleeved on the outer wall of the rotating rod (29). The bottom of the transmission bar (31) is fixedly connected to the top of the push plate (25). The two second gears (32) are fixedly sleeved on both sides of the outer wall of the rotating rod (29). One end of the two racks (27) is connected to one side of the side plate (5) by bolts, and the racks (27) are meshed with the second gears (32).

5. The support structure for additive manufacturing of automobile suspension components according to claim 4, characterized in that: Both ends of one side of the side plate (5) are connected to a protective cover (28) by bolts, and the cross section of the protective cover (28) is U-shaped, and the rack (27) is located inside the protective cover (28).

6. The support structure for additive manufacturing of automobile suspension components according to claim 5, characterized in that: A reinforcement mechanism (18) is provided on the top of the fixing mechanism (7), and the reinforcement mechanism (18) and the fixing mechanism (7) are matched with each other.

7. The support structure for additive manufacturing of automobile suspension components according to claim 6, characterized in that: The reinforcing mechanism (18) includes a push rod (36), a support block (33), a pressure plate (38), an air cushion (39), two pull-out plates (34), a connecting plate (35), a pull-out cylinder (41), a piston plate (42) and a reinforcing block (43), and the air cushion (39) is located between the bottom of the pressure plate (38) and the top of the support block (33), one end of the two pull-out plates (34) and one side of the support block (33) are connected by bolts, the two pull-out plates (34) and the connecting plate (35) are fixedly connected, and one side of the connecting plate (35) is fixedly connected to the top of the push rod (36). There is a connecting shaft (37), a sliding opening is opened through the top of the support block (33), and a pull rod (40) is slidably connected to the inner wall of the sliding opening. The top of the pull rod (40) is fixedly connected to the bottom of the pressure plate (38), and the bottom of the pull rod (40) is connected to the transmission bar (31) by bolts. One side of the bottom of the support block (33) is fixedly connected to the top of the pulling cylinder (41), and a conduit (44) is provided between the pulling cylinder (41) and the air cushion (39). The piston plate (42) is slidably connected to the inner wall of the pulling cylinder (41), and the bottom of the piston plate (42) is fixedly connected to the reinforcement block (43).

8. The support structure for additive manufacturing of automobile suspension components according to claim 7, characterized in that: Both ends of one side of the side plate (5) are penetrated with a pull-out opening, and the pull-out opening is slidably connected to the pull-out plate (34). A pull-out hole is penetrated at a position near the bottom of one side of the side plate (5), and the pull-out hole is slidably connected to the push rod (36).

Citation Information

Patent Citations

  • A component processing support device for an automobile production line

    CN114800335B