Monoammonium phosphate granulation equipment

Abstract

The utility model provides monoammonium phosphate granulation equipment, and relates to the technical field of granulation equipment, the monoammonium phosphate granulation equipment comprises an operation table, the top of the operation table is provided with a conveying cylinder, one side of the conveying cylinder is fixedly connected with a first motor, the output end of the first motor is fixedly connected with an auger, one end of the conveying cylinder is provided with a granulation plate, and the other end of the conveying cylinder is provided with a second motor. A connecting frame is fixedly connected to the top of the conveying cylinder, an electric telescopic rod is arranged at the top of the connecting frame, and when the connecting device is used, a granulation plate is manually slid to the inner wall of one end of the conveying cylinder, then a rotating plate is manually controlled to rotate, and then the rotating plate is slid into a U-shaped plate; in this way, the rectangular block can be well slid into the rectangular groove, then the granulation plate can be well arranged at one end of the conveying cylinder, the granulation plates with holes in the surfaces different in size can be arranged at one end of the conveying cylinder, and then monoammonium phosphate can be processed into granules of different specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of granulation equipment, in particular to monoammonium phosphate granulation equipment. Background Art

[0002] The granulation equipment is a device used to extrude and cut the heated monoammonium phosphate and process it into granules. When using the granulation equipment, the monoammonium phosphate raw material is placed into the inside of the mixing drum through the feed port, and the second motor is started. The stirring rod is driven by the second motor to stir, and at the same time, the heating rod heats the raw material. When the raw material is heated to an appropriate degree, the hydraulic telescopic rod drives the partition to contract, allowing the raw material to enter the interior of the conveying drum, and then the first motor drives the auger to rotate, and then the raw material is squeezed out of the conveying drum through the granulation plate, and the cutter is driven up and down by the electric telescopic rod, and then the raw material is cut into granules.

[0003] The inventor found in his daily work that the granulation equipment still has at least the following problems: when using the granulation equipment, the monoammonium phosphate raw material is placed into the inside of the mixing drum through the feed port, the first motor is started, and the stirring rod is driven by the first motor to stir, and at the same time the heating rod heats the raw material. However, when the raw material is heated to an appropriate degree, the hydraulic telescopic rod drives the partition to contract, so that the raw material enters the interior of the conveying drum, and then the auger is driven to rotate by the second motor, and the raw material is squeezed out of the conveying drum through the granulation plate, and the cutter is driven up and down by the electric telescopic rod, and the raw material is cut into granules. However, in actual use, the granulation plate is generally fixed together with the conveying drum, so that the granulation device can only produce granules of a single specification. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a monoammonium phosphate granulation device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a monoammonium phosphate granulation equipment, including an operating table, a conveying drum is provided on the top of the operating table, a first motor is fixedly connected to one side of the conveying drum, an auger is fixedly connected to the output end of the first motor, a granulation plate is provided at one end of the conveying drum, a connecting frame is fixedly connected to the top of the conveying drum, an electric telescopic rod is provided on the top of the connecting frame, a cutter is fixedly connected to the bottom of the electric telescopic rod, a connecting device is provided on one side of the granulation plate, a cleaning device is provided on one side of the connecting frame, a stirring drum is provided on the top of the conveying drum, and the top of the stirring drum The part is fixedly connected to the second motor, the output end of the second motor is fixedly connected to the stirring rod, the inner wall of the stirring drum is provided with a heating rod, the connecting device includes a connecting plate, the connecting plate is fixedly connected to one side of the granulating plate, the granulating plate is slidably connected to the inner wall of one end of the conveying drum, the inner walls on both sides of the connecting plate are fixedly connected to a round rod, the surface of the round rod is rotatably sleeved with a rotating plate, the surface of the rotating plate is sleeved with a U-shaped plate, one side of the U-shaped plate is fixedly connected to one side of the conveying drum, a rectangular groove is provided on one side of the rotating plate, a rectangular block is slidably connected to the inner wall of the rectangular groove, and the rectangular block is fixedly connected to one side of the inner wall of the U-shaped plate.

[0006] The effect achieved by the above components is: when using the connecting device, manually slide the granulation plate to the inner wall of one end of the conveying cylinder, and then manually control the rotation of the rotating plate, and then slide the rotating plate to the inside of the U-shaped plate, so that the rectangular block can be well slid into the inside of the rectangular groove, and then the granulation plate can be well set at one end of the conveying cylinder, and then the granulation plate with holes of different sizes on the surface can be set at one end of the conveying cylinder, and then the monoammonium phosphate can be processed into granules of different specifications.

[0007] Preferably, a connecting ring is fixedly connected to one side of the connecting plate, and the connecting ring is slidably inserted into one end of the conveying cylinder.

[0008] The effect achieved by the above components is that the connecting ring is inserted into one end of the conveying cylinder, which can make the connection between the connecting plate and the conveying cylinder tighter.

[0009] Preferably, a circular groove is provided on one side of the rotating plate, and a rubber block is provided on the inner wall of the circular groove. The rubber block is fixedly connected to the inner wall of the U-shaped plate. A sliding groove is provided on one side of the U-shaped plate, and a locking plate is slidably connected to the inner wall of the sliding groove. One side of the locking plate is provided on the side of the U-shaped plate away from the conveying cylinder.

[0010] The effect achieved by the above components is: after the rectangular block is slid to the inner wall of the rectangular groove, the rubber block is squeezed into the inside of the circular groove, and then the positioning plate is slid into the inside of the slide groove, and then the positioning plate is set on the side of the U-shaped plate away from the conveying cylinder, thereby effectively restricting the rotating plate inside the U-shaped plate.

[0011] Preferably, a first damping rod is fixedly connected to one side of the inner wall of the slide groove, and the end of the first damping rod away from the slide groove is fixedly connected to one side of the locking plate. A first spring is sleeved on the surface of the first damping rod, and one end of the first spring is fixedly connected to one side of the inner wall of the slide groove, and the end of the first spring close to the first damping rod is fixedly connected to one side of the locking plate.

[0012] The effect achieved by the above components is: the first spring pulls the locking plate toward the inside of the chute, so that the locking plate can be well restricted inside the chute.

[0013] Preferably, the cleaning device includes a slide rail, and the slide rail is fixedly connected to one side of the connecting frame.

[0014] The effect achieved by the above components is that the cleaning device can be arranged on one side of the connecting frame through the slide rail.

[0015] Preferably, the inner wall of the slide rail is slidably connected with a connecting sleeve, the connecting sleeve is arranged at the bottom of the cutter, the bottom of the cutter is provided with an inclined surface, one side of the top of the cutter is fixedly connected with a positioning rod, one side of the inner wall of the slide rail is fixedly connected with a second spring, and the second spring is fixedly connected to one end close to the slide rail and one side of the connecting sleeve.

[0016] The effect achieved by the above components is: when the cleaning device is used, when the cutter moves downward, the inclined surface at the bottom of the cutter squeezes the connecting sleeve to move on the inner wall of the slide rail, thereby compressing the second spring. The positioning rod can well ensure that the second spring is always compressed. When the cutter rises, the second spring returns to its original state, thereby causing the connecting sleeve to slide on the bottom of the cutter, thereby scraping off the raw materials that may be stuck on the cutter.

[0017] Preferably, a collecting frame is fixedly connected to one side of the conveying cylinder, the collecting frame is arranged at one end of the slide rail, and the inner wall of the collecting frame is slidably connected to a sliding frame.

[0018] The effect achieved by the above components is that the scraped raw materials fall into the interior of the sliding frame inside the collection frame, and the scraped raw materials can be collected after the sliding frame is slid out of the collection frame.

[0019] Preferably, the top of the collection frame is fixedly connected to a support frame, the bottom of the support frame is fixedly connected to a second damping rod, the bottom of the second damping rod is fixedly connected to a triangular block, and a third spring is sleeved on the surface of the second damping rod, one end of the third spring is fixedly connected to the bottom of the support frame, and the end of the third spring close to the second damping rod is fixedly connected to the top of the triangular block.

[0020] The effect achieved by the above components is: when the connecting sleeve returns to its original position after the second spring restores its original shape, the hypotenuse of the triangular block is squeezed, thereby compressing the third spring; when the connecting sleeve moves away from the triangular block, the third spring squeezes the triangular block, thereby scraping the raw material on one side of the connecting sleeve to the inside of the collection frame through the triangular block.

[0021] In the utility model, a connecting device is provided. When the connecting device is used, the granulating plate is manually slid to the inner wall of one end of the conveying cylinder, and then the rotating plate is manually controlled to rotate, and then the rotating plate is slid to the inside of the U-shaped plate. In this way, the rectangular block can be well slid into the inside of the rectangular groove, and then the granulating plate can be well set at one end of the conveying cylinder, and then the granulating plates with holes of different sizes on the surface can be set at one end of the conveying cylinder, and then the monoammonium phosphate can be processed into granules of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The utility model provides a three-dimensional structural diagram of a monoammonium phosphate granulation equipment;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the new rotating plate proposed in the utility model;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of a new type of clamping plate proposed in the utility model;

[0025] Figure 4 The utility model provides a three-dimensional structural diagram of a novel connecting sleeve.

[0026] Legend: 1. Operating table; 2. Conveying cylinder; 3. First motor; 4. Auger; 5. Granulating plate; 6. Connecting frame; 7. Electric telescopic rod; 8. Connecting device; 801. Connecting plate; 802. Connecting ring; 803. Round rod; 804. Rotating plate; 805. U-shaped plate; 806. Rectangular block; 807. Rectangular groove; 808. Positioning plate; 809. Rubber block; 810. Round groove; 811. Slide; 812. A damping rod; 813, a first spring; 9, a cleaning device; 901, a slide rail; 902, a connecting sleeve; 903, a second spring; 904, an inclined plane; 905, a positioning rod; 906, a collecting frame; 907, a sliding frame; 908, a support frame; 909, a second damping rod; 910, a third spring; 911, a triangular block; 10, a cutting knife; 11, a mixing drum; 12, a second motor; 13, a stirring rod; 14, a heating rod. DETAILED DESCRIPTION

[0027] Example 1, as Figure 1-4As shown, a monoammonium phosphate granulation equipment is provided, a conveying cylinder 2 is provided on the top of the operating table 1, a first motor 3 is fixedly connected to one side of the conveying cylinder 2, an auger 4 is fixedly connected to the output end of the first motor 3, a granulation plate 5 is provided at one end of the conveying cylinder 2, a connecting frame 6 is fixedly connected to the top of the conveying cylinder 2, an electric telescopic rod 7 is provided on the top of the connecting frame 6, a cutter 10 is fixedly connected to the bottom of the electric telescopic rod 7, a connecting device 8 is provided on one side of the granulation plate 5, a cleaning device 9 is provided on one side of the connecting frame 6, a mixing drum 11 is provided on the top of the conveying cylinder 2, a second motor 12 is fixedly connected to the top of the mixing drum 11, and the output end of the second motor 12 is fixed. A stirring rod 13 is connected, and a heating rod 14 is provided on the inner wall of the stirring drum 11. When the granulation equipment is used, the monoammonium phosphate raw material is placed into the inside of the stirring drum 11 through the feed port, and the second motor 12 is started. The stirring rod 13 is driven by the second motor 12 to stir. At the same time, the heating rod 14 heats the raw material. When the raw material is heated to an appropriate degree, the hydraulic telescopic rod drives the partition to contract, so that the raw material enters the interior of the conveying drum 2, and then the auger 4 is driven to rotate by the first motor 3, and then the raw material is squeezed out of the conveying drum 2 through the granulation plate 5, and the cutter 10 is driven up and down by the electric telescopic rod 7, and then the raw material is cut into granules.

[0028] Reference Figure 2 and Figure 3, the connecting device 8 includes a connecting plate 801, the connecting plate 801 is fixedly connected to one side of the granulating plate 5, the granulating plate 5 is slidably connected to the inner wall of one end of the conveying cylinder 2, the inner walls on both sides of the connecting plate 801 are fixedly connected with a round rod 803, the surface of the round rod 803 is rotatably sleeved with a rotating plate 804, the surface of the rotating plate 804 is sleeved with a U-shaped plate 805, one side of the U-shaped plate 805 is fixedly connected to one side of the conveying cylinder 2, a rectangular groove 807 is provided on one side of the rotating plate 804, and a rectangular block 806 is slidably connected to the inner wall of the rectangular groove 807, and the rectangular block 806 is fixedly connected to one side of the inner wall of the U-shaped plate 805. When using the connecting device 8, the granulating plate 5 is manually slid to the conveying cylinder 2. The inner wall of one end of the delivery cylinder 2 is then manually controlled to rotate the rotating plate 804, and then the rotating plate 804 is slid into the inside of the U-shaped plate 805, so that the rectangular block 806 can be well slid into the inside of the rectangular groove 807, and then the granulating plate 5 can be well set at one end of the delivery cylinder 2, and then the granulating plate 5 with different hole sizes on the surface can be set at one end of the delivery cylinder 2, and then the monoammonium phosphate can be processed into granules of different specifications. A connecting ring 802 is fixedly connected to one side of the connecting plate 801, and the connecting ring 802 is slidably inserted into one end of the delivery cylinder 2. The connecting ring 802 is inserted into one end of the delivery cylinder 2, so that the connecting plate 801 and the delivery cylinder 2 can be connected. The connection between the two parts is tighter, a circular groove 810 is provided on one side of the rotating plate 804, and a rubber block 809 is provided on the inner wall of the circular groove 810. The rubber block 809 is fixedly connected to the inner wall of the U-shaped plate 805, and a sliding groove 811 is provided on one side of the U-shaped plate 805. The inner wall of the sliding groove 811 is slidably connected with a positioning plate 808. One side of the positioning plate 808 is set on the side of the U-shaped plate 805 away from the conveying cylinder 2. After the rectangular block 806 is slid to the inner wall of the rectangular groove 807, the rubber block 809 is squeezed into the inside of the circular groove 810, and then the positioning plate 808 is slid into the inside of the sliding groove 811, and then the positioning plate 808 is set on the side of the U-shaped plate 805 away from the conveying cylinder 2 , thereby effectively limiting the rotating plate 804 inside the U-shaped plate 805, a first damping rod 812 is fixedly connected to one side of the inner wall of the slide groove 811, and the end of the first damping rod 812 away from the slide groove 811 is fixedly connected to one side of the positioning plate 808, and a first spring 813 is sleeved on the surface of the first damping rod 812, one end of the first spring 813 is fixedly connected to one side of the inner wall of the slide groove 811, and the end of the first spring 813 close to the first damping rod 812 is fixedly connected to one side of the positioning plate 808, and the positioning plate 808 is pulled toward the inside of the slide groove 811 by the first spring 813, so that the positioning plate 808 can be well limited to the inside of the slide groove 811.

[0029] Reference Figure 4The cleaning device 9 includes a slide rail 901, which is fixedly connected to one side of the connecting frame 6. The cleaning device 9 can be set on one side of the connecting frame 6 through the slide rail 901. The inner wall of the slide rail 901 is slidably connected with a connecting sleeve 902. The connecting sleeve 902 is set at the bottom of the cutter 10. The bottom of the cutter 10 is provided with an inclined surface 904. One side of the top of the cutter 10 is fixedly connected with a positioning rod 905. One side of the inner wall of the slide rail 901 is fixedly connected with a second spring 903. The end of the second spring 903 close to the slide rail 901 is fixedly connected to one side of the connecting sleeve 902. When the cleaning device 9 is used, when the cutter 10 moves downward, the inclined surface 904 at the bottom of the cutter 10 squeezes the connecting sleeve 902 against the inner wall of the slide rail 901, thereby compressing the second spring 903. The positioning rod 905 can well make the second spring 903 always compressed. When the cutter 10 rises, the second spring 903 returns to its original state, thereby causing the connecting sleeve 902 to slide on the bottom of the cutter 10, thereby scraping off the raw materials that may be stained on the cutter 10. A collecting frame 906 is fixedly connected to one side of the conveying cylinder 2. The collecting frame 906 is fixed to the other side of the conveying cylinder 2. 06 is set at one end of the slide rail 901, and the inner wall of the collection frame 906 is slidably connected with a sliding frame 907, and the scraped raw materials fall into the inside of the sliding frame 907 inside the collection frame 906. After the sliding frame 907 slides out of the collection frame 906, the scraped raw materials can be collected. The top of the collection frame 906 is fixedly connected with a support frame 908, and the bottom of the support frame 908 is fixedly connected with a second damping rod 909. The bottom of the second damping rod 909 is fixedly connected with a triangular block 911. The surface of the second damping rod 909 is provided with a third spring 910. The third One end of the spring 910 is fixedly connected to the bottom of the support frame 908, and the end of the third spring 910 close to the second damping rod 909 is fixedly connected to the top of the triangular block 911. When the connecting sleeve 902 returns to its original position after the second spring 903 recovers its original shape, the hypotenuse of the triangular block 911 is squeezed, thereby compressing the third spring 910. When the connecting sleeve 902 is away from the triangular block 911, the third spring 910 squeezes the triangular block 911, and then scrapes the raw material on one side of the connecting sleeve 902 to the inside of the collecting frame 906 through the triangular block 911.

[0030] Working principle: when using the granulation equipment, the raw material of monoammonium phosphate is placed into the inside of the mixing drum 11 through the feed port, and the second motor 12 is started. The stirring rod 13 is driven by the second motor 12 to stir, and at the same time, the heating rod 14 heats the raw material. When the raw material is heated to a suitable degree, the hydraulic telescopic rod drives the partition to contract, so that the raw material enters the inside of the conveying drum 2, and then the auger 4 is driven to rotate by the first motor 3, and then the raw material is squeezed out of the conveying drum 2 through the granulating plate 5. The cutter 10 is driven up and down by the electric telescopic rod 7, and the raw material is cut into granules. When using the connecting device 8, the granulating plate 5 is manually slid to the inner wall of one end of the conveying drum 2, and then the connecting device 8 is connected. The connecting ring 802 is inserted into one end of the conveying cylinder 2, which can make the connection between the connecting plate 801 and the conveying cylinder 2 tighter. Then the rotating plate 804 is manually controlled to rotate, and then the rotating plate 804 is slid to the inside of the U-shaped plate 805. In this way, the rectangular block 806 can be well slid into the inside of the rectangular groove 807. After the rectangular block 806 slides to the inner wall of the rectangular groove 807, the rubber block 809 is squeezed into the inside of the circular groove 810, and then the locking plate 808 is slid into the inside of the slide groove 811. The locking plate 808 is pulled toward the inside of the slide groove 811 by the first spring 813. In this way, the locking plate 808 can be well restricted in the inside of the slide groove 811, thereby locking the locking plate 808. The plate 808 is arranged on the side of the U-shaped plate 805 away from the conveying cylinder 2, so that the rotating plate 804 is well restricted inside the U-shaped plate 805, so that the granulating plate 5 can be well arranged at one end of the conveying cylinder 2, and the granulating plate 5 with holes of different sizes on the surface can be arranged at one end of the conveying cylinder 2, so that the monoammonium phosphate can be processed into granules of different specifications. When the cleaning device 9 is used, when the cutter 10 moves downward, the inclined surface 904 at the bottom of the cutter 10 squeezes the connecting sleeve 902 to move on the inner wall of the slide rail 901, so that the second spring 903 is compressed, and the positioning rod 905 can well make the second spring 903 always compressed. When the cutter 10 rises, When the second spring 903 returns to its original shape, the second spring 903 returns to its original shape, causing the connecting sleeve 902 to slide on the bottom of the cutter 10. When the connecting sleeve 902 returns to its original position after the second spring 903 returns to its original shape, the hypotenuse of the triangular block 911 is squeezed, causing the third spring 910 to be compressed. When the connecting sleeve 902 is away from the triangular block 911, the third spring 910 squeezes the triangular block 911, and then the raw materials on one side of the connecting sleeve 902 are scraped into the inside of the collecting frame 906 through the triangular block 911. The scraped raw materials fall into the inside of the sliding frame 907 inside the collecting frame 906. After the sliding frame 907 is slid out of the collecting frame 906, the scraped raw materials can be collected.

Claims

1. A monoammonium phosphate granulation device, comprising an operating table (1), characterized in that: A conveying cylinder (2) is provided on the top of the operating table (1), a first motor (3) is fixedly connected to one side of the conveying cylinder (2), an auger (4) is fixedly connected to the output end of the first motor (3), a granulating plate (5) is provided at one end of the conveying cylinder (2), a connecting frame (6) is fixedly connected to the top of the conveying cylinder (2), an electric telescopic rod (7) is provided on the top of the connecting frame (6), a cutter (10) is fixedly connected to the bottom of the electric telescopic rod (7), a connecting device (8) is provided on one side of the granulating plate (5), a cleaning device (9) is provided on one side of the connecting frame (6), a stirring cylinder (11) is provided on the top of the conveying cylinder (2), a second motor (12) is fixedly connected to the top of the stirring cylinder (11), a stirring rod (13) is fixedly connected to the output end of the second motor (12), and the The inner wall of the mixing drum (11) is provided with a heating rod (14), and the connecting device (8) includes a connecting plate (801), wherein the connecting plate (801) is fixedly connected to one side of the granulating plate (5), and the granulating plate (5) is slidably connected to the inner wall of one end of the conveying drum (2), and the inner walls on both sides of the connecting plate (801) are fixedly connected to round rods (803), and the surface of the round rod (803) is rotatably sleeved with a rotating plate (804), and the surface of the rotating plate (804) is sleeved with a U-shaped plate (805), and one side of the U-shaped plate (805) is fixedly connected to one side of the conveying drum (2), and a rectangular groove (807) is opened on one side of the rotating plate (804), and a rectangular block (806) is slidably connected to the inner wall of the rectangular groove (807), and the rectangular block (806) is fixedly connected to one side of the inner wall of the U-shaped plate (805).

2. A monoammonium phosphate granulation equipment according to claim 1, characterized in that: A connecting ring (802) is fixedly connected to one side of the connecting plate (801), and the connecting ring (802) is slidably inserted into one end of the conveying cylinder (2).

3. The monoammonium phosphate granulation equipment according to claim 1, characterized in that: A circular groove (810) is provided on one side of the rotating plate (804), and a rubber block (809) is provided on the inner wall of the circular groove (810). The rubber block (809) is fixedly connected to the inner wall of the U-shaped plate (805). A sliding groove (811) is provided on one side of the U-shaped plate (805), and a locking plate (808) is slidably connected to the inner wall of the sliding groove (811). One side of the locking plate (808) is provided on the side of the U-shaped plate (805) away from the conveying cylinder (2).

4. A monoammonium phosphate granulation equipment according to claim 3, characterized in that: A first damping rod (812) is fixedly connected to one side of the inner wall of the slide groove (811), and an end of the first damping rod (812) away from the slide groove (811) is fixedly connected to one side of the locking plate (808). A first spring (813) is sleeved on the surface of the first damping rod (812), and one end of the first spring (813) is fixedly connected to one side of the inner wall of the slide groove (811), and an end of the first spring (813) close to the first damping rod (812) is fixedly connected to one side of the locking plate (808).

5. The monoammonium phosphate granulation equipment according to claim 1, characterized in that: The cleaning device (9) comprises a slide rail (901), and the slide rail (901) is fixedly connected to one side of the connecting frame (6).

6. The monoammonium phosphate granulation equipment according to claim 5, characterized in that: The inner wall of the slide rail (901) is slidably connected to a connecting sleeve (902), the connecting sleeve (902) is arranged at the bottom of the cutter (10), the bottom of the cutter (10) is provided with an inclined surface (904), one side of the top of the cutter (10) is fixedly connected to a positioning rod (905), one side of the inner wall of the slide rail (901) is fixedly connected to a second spring (903), and one end of the second spring (903) close to the slide rail (901) is fixedly connected to one side of the connecting sleeve (902).

7. The monoammonium phosphate granulation equipment according to claim 1, characterized in that: A collecting frame (906) is fixedly connected to one side of the conveying cylinder (2), and the collecting frame (906) is arranged at one end of the slide rail (901). The inner wall of the collecting frame (906) is slidably connected to a sliding frame (907).

8. The monoammonium phosphate granulation equipment according to claim 7, characterized in that: The top of the collection frame (906) is fixedly connected to a support frame (908), the bottom of the support frame (908) is fixedly connected to a second damping rod (909), the bottom of the second damping rod (909) is fixedly connected to a triangular block (911), and the surface of the second damping rod (909) is sleeved with a third spring (910), one end of the third spring (910) is fixedly connected to the bottom of the support frame (908), and one end of the third spring (910) close to the second damping rod (909) is fixedly connected to the top of the triangular block (911).

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