Quartz sand processing, crushing and screening all-in-one machine

Abstract

The invention is applicable to the technical field of crushing processing, and provides a quartz sand processing, crushing and screening all-in-one machine, which comprises a processing box, a crushing device, a screening device, a crushing device and a screening device, and the top and the bottom of the processing box are respectively provided with a feed port and a discharge port II; the discharging cavity is formed in the processing box, and a first discharging opening communicating with the discharging cavity is further formed in the side wall of the processing box; the multi-stage machining mechanism comprises a rotating pipe and a control box, the rotating pipe is rotationally installed in the machining box, a driving assembly used for driving the rotating pipe to rotate is further arranged at the bottom of the machining box, and the control box is fixedly installed on the rotating pipe. A primary machining assembly and a secondary machining assembly which are connected with the control box are further arranged in the machining box, and a pre-crushing assembly is further arranged on the primary machining assembly. Through the arrangement of the multi-stage machining mechanism, the situation that an existing quartz sand machining device cannot achieve multi-stage crushing and screening of quartz stones is avoided; and the machining quality is seriously influenced.

Description

Technical Field

[0001] The invention relates to the technical field of crushing and processing, in particular to a quartz sand processing, crushing and screening integrated machine. Background Art

[0002] Quartz sand is quartz particles made by crushing quartz stone. Quartz stone is a non-metallic mineral, a hard, wear-resistant, chemically stable silicate mineral. The color of quartz sand is milky white or colorless and translucent, with a Mohs hardness of 7. Quartz sand is an important industrial mineral raw material, non-chemical hazardous goods, widely used in glass, casting, ceramics and fireproof materials, smelting ferrosilicon, metallurgical flux, metallurgy, construction, chemical industry, plastics, rubber, abrasives, filter materials and other industries.

[0003] Most of the existing quartz sand processing equipment is relatively traditional, with a simple crushing structure, and cannot achieve multi-stage crushing and screening of quartz stone, which seriously affects the processing quality. Therefore, in view of the above situation, it is urgent to provide a quartz sand processing, crushing and screening all-in-one machine to overcome the shortcomings in current practical applications. Summary of the invention

[0004] The object of the present invention is to provide a quartz sand processing, crushing and screening all-in-one machine, aiming to solve the problems in the above-mentioned background technology.

[0005] The present invention is implemented in this way: a quartz sand processing, crushing and screening integrated machine comprises: A processing box, wherein the top and bottom of the processing box are respectively provided with a feed inlet and a discharge outlet; A discharge cavity is provided in the processing box, and a discharge port 1 connected to the discharge cavity is also provided on the side wall of the processing box; A multi-stage processing mechanism, the multi-stage processing mechanism includes a rotating tube and a control box, the rotating tube is rotatably installed in the processing box, and a driving component for driving the rotating tube to rotate is also provided at the bottom of the processing box, the control box is fixedly installed on the rotating tube, and a primary processing component and a secondary processing component connected to the control box are also provided in the processing box, and a pre-crushing component is also provided on the primary processing component.

[0006] As a further solution of the present invention: the driving assembly includes a motor arranged at the bottom of the processing box, and the output shaft of the motor is connected to the rotating tube through a gear set, wherein the gear set is two sets of mutually meshing spur gears.

[0007] As a further solution of the present invention: the primary processing component comprises: A multi-directional screen drum, which is fixedly installed in a processing box, and has a guide surface inclined toward the top of the multi-directional screen drum in the processing box, and filter holes are provided on the top and inner wall of the multi-directional screen drum, and the hollow structure in the multi-directional screen drum is connected to the discharge cavity; A rolling block 1, wherein the rolling block 1 is slidably mounted in the control box, and the gap between the surface of the rolling block 1 and the multi-directional screen cylinder gradually decreases from top to bottom; And a pneumatic component for driving a rolling block to move in the control box.

[0008] As a further solution of the present invention: the top of the rolling block 1 is a conical structure, and the interior of the rolling block 1 is hollow. The surface of the rolling block 1 is also provided with multiple groups of protrusions, and the protrusions are provided with air injection holes connected to the interior of the rolling block 1.

[0009] As a further solution of the present invention: the pneumatic component comprises: An air duct connected to the rotating tube, wherein the air duct is fixedly connected to the processing box via a bracket, and an air outlet connected to the control box is provided at one end of the rotating tube away from the air duct; A spring 1 for elastically supporting a rolling block 1, wherein the spring is set on the rotating tube; At least two groups of guide tubes, wherein the guide tubes are fixedly connected to the first rolling block and are in communication with the interior of the first rolling block, and an air inlet hole is provided at one end of the guide tube away from the first rolling block; A blocking rod is fixedly installed in the control box, and the blocking rod is slidably connected to the guide tube.

[0010] As a further solution of the present invention: the secondary processing component comprises: A second rolling block is fixedly mounted on the control box, wherein the second rolling block is provided with a mounting cavity connected to the control box, and the processing box is provided with an inclined surface for cooperating with the second rolling block to roll the quartz stone; A second piston block is slidably mounted in a mounting cavity in the second rolling block, wherein a second spring is also provided in the mounting cavity for elastically pressing the second piston block; Rolling rods, wherein a plurality of rolling rods are fixedly mounted on the rotating tube; A guide plate located below the second rolling block, wherein the guide plate is fixedly mounted on the inner wall of the processing box; And a filter plate is located in the processing box, and the filter plate is located between the second discharge port and the rolling rod.

[0011] As a further solution of the present invention: the pre-crushing assembly comprises: A rotating column, the rotating column is rotatably mounted on the top of the processing box, and a compression chamber 1 is provided inside the rotating column, a piston plate is slidably mounted inside the compression chamber 1, and the piston plate is a polygonal structure; A push rod is slidably mounted in the rotating column, one end of the push rod is fixedly connected to the piston plate, and the other end of the push rod is fixedly connected to a rolling block; A diamond-shaped crushing rod, wherein multiple groups of the diamond-shaped crushing rods are fixedly installed on the rotating column, and the diamond-shaped crushing rods have a second compression chamber inside, and the second compression chamber is connected to the compression chamber processing box through a conduit; wherein the first compression chamber and the second compression chamber are pre-filled with gas; A piston block 1 is slidably mounted in the diamond-shaped crushing rod, a diamond-shaped expansion rod is fixedly mounted on the piston block 1, and a spring 3 for elastically supporting the piston block 1 is also arranged in the compression chamber 2.

[0012] As a further solution of the present invention: the discharge chamber is also provided with an auxiliary component for discharging the qualified quartz sand after the first processing through the discharge port.

[0013] As a further solution of the present invention: the auxiliary component comprises: An annular plate, the annular plate is rotatably mounted in the processing box, and a scraper is fixedly mounted on the annular plate, one end of the scraper close to the annular plate is slidably matched with the bottom of the discharge cavity, and one end of the scraper away from the annular plate is slidably matched with the multi-directional screen drum; An inner gear ring, the inner gear ring is fixedly mounted on the annular plate; And a rotating shaft rotatably installed in the processing box, one end of the rotating shaft is fixedly installed with a driving gear meshing with the inner gear ring, and the other end of the rotating shaft is connected to the rotating column through a linkage.

[0014] Compared with the prior art, the present invention has the following beneficial effects: BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention.

[0016] Figure 2 for Figure 1 Schematic diagram of the structure viewed from above.

[0017] Figure 3 It is a schematic diagram of the internal structure of the present invention.

[0018] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure.

[0019] Figure 5 It is a schematic cross-sectional structure diagram of the multi-stage processing mechanism in the present invention.

[0020] Figure 6 for Figure 5 Schematic diagram of the enlarged structure at point A in the middle.

[0021] Figure 7 It is a schematic diagram of the structure of the auxiliary components in the present invention.

[0022] Figure 8It is a schematic diagram of the cross-sectional structure of the processing box and the multi-directional screen plate in the present invention.

[0023] Fig. 9 It is a schematic cross-sectional structural diagram of the pre-crushing assembly in the present invention.

[0024] In the attached drawings: 1-processing box, 2-feeding port, 3-discharging port 1, 4-air guide pipe, 5-discharging port 2, 6-filter plate, 7-motor, 8-gear set, 9-rotating tube, 10-linkage, 11-protective cover, 12-rotating column, 13-diamond crushing rod, 14-multi-directional screen cylinder, 15-rotating shaft, 16-driving gear, 17-inner gear ring, 18-annular plate, 19-rolling block 2, 20-guide plate, 21-control box, 22-piston block 1, 23-rolling rod, 24-discharging chamber, 25-scraper, 26-rolling block 1, 27-push rod, 28-guide tube, 29-blocking rod, 30-spring 1, 31-diamond extension rod, 32-spring 2, 33-piston block 2, 34-piston plate, 35-conduit, 36-spring 3. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. The specific implementation of the present invention is described in detail below in combination with specific embodiments.

[0026] See also Figure 1-Figure 9 The embodiment of the present invention provides a quartz sand processing, crushing and screening integrated machine, the quartz sand processing, crushing and screening integrated machine comprising: A processing box 1, wherein the top and bottom of the processing box 1 are respectively provided with a feed inlet 2 and a discharge outlet 5; A discharge cavity 24 is provided in the processing box 1, and a discharge port 3 is provided on the side wall of the processing box 1 and is connected to the discharge cavity 24; A multi-stage processing mechanism, the multi-stage processing mechanism includes a rotating tube 9 and a control box 21, the rotating tube 9 is rotatably installed in the processing box 1, and the bottom of the processing box 1 is also provided with a driving component for driving the rotating tube 9 to rotate, the control box 21 is fixedly installed on the rotating tube 9, and the processing box 1 is also provided with a primary processing component and a secondary processing component connected to the control box 21, and a pre-crushing component is also provided on the primary processing component.

[0027] In the embodiment of the present invention, when in use, a small volume of quartz stone after preliminary crushing is added into the processing box 1 through the feed port 2, and the driving component can drive the control box 21 to rotate by driving the rotating column 12 to rotate, thereby driving the primary processing component, the secondary processing component and the pre-crushing component to work, and the pre-crushed quartz stone will enter the primary processing component for crushing and screening, and the qualified quartz sand after the primary processing will be discharged through the discharge chamber 24 and the discharge port 3, and the other part of the unqualified quartz stone will enter the secondary processing component, and the secondary processing component will be used to realize the final crushing and screening of the unqualified quartz stone, and the quartz sand after the secondary processing will be discharged through the discharge port 25; compared with the prior art, the present invention avoids the problem that most of the existing quartz sand processing equipment is relatively traditional, the crushing structure is simple, and the multi-stage crushing and screening of the quartz stone cannot be realized, which seriously affects the processing quality through the setting of a multi-stage processing mechanism.

[0028] In one embodiment of the present invention, see Figure 1-Figure 9 The driving assembly includes a motor 7 disposed at the bottom of the processing box 1, and the output shaft of the motor 7 is connected to the rotating tube 9 through a gear set 8, wherein the gear set 8 is two sets of mutually meshing spur gears; The primary processing components include: A multi-directional screen drum 14, wherein the multi-directional screen drum 14 is fixedly installed in the processing box 1, and the processing box 1 has a guide surface inclined toward the top of the multi-directional screen drum 14, and the top and inner wall of the multi-directional screen drum 14 are provided with filter holes, and the hollow structure in the multi-directional screen drum 14 is connected to the discharge cavity 24; A rolling block 26, wherein the rolling block 26 is slidably mounted in the control box 21, and the gap between the surface of the rolling block 26 and the multi-directional screen drum 14 gradually decreases from top to bottom; and a pneumatic assembly for driving the rolling block 26 to move within the control box 21; The top of the rolling block 26 is a conical structure, and the interior of the rolling block 26 is hollow. The surface of the rolling block 26 is also provided with a plurality of groups of protrusions, and the protrusions are provided with air injection holes connected to the interior of the rolling block 26; The pneumatic assembly comprises: An air duct 4 connected to the rotating tube 9, wherein the air duct 4 is fixedly connected to the processing box 1 via a bracket, and an air outlet hole connected to the control box 21 is provided at one end of the rotating tube 9 away from the air duct 4; A spring 30 for elastically supporting the rolling block 26, wherein the spring 30 is sleeved on the rotating tube 9; At least two groups of guide tubes 28, the guide tubes 28 are fixedly connected to the rolling block 26, and the guide tubes 28 are connected to the inside of the rolling block 26, and an air inlet hole is opened at one end of the guide tube 28 away from the rolling block 26; A blocking rod 29 fixedly mounted in the control box 21, wherein the blocking rod 29 is slidably connected to the guide tube 28; The secondary processing components include: A second rolling block 19 fixedly mounted on the control box 21, wherein the second rolling block 19 is provided with a mounting cavity connected to the control box 21, and the processing box 1 is provided with an inclined surface for cooperating with the second rolling block 19 to roll the quartz stone; A second piston block 33 is slidably mounted in a mounting cavity in the second rolling block 19, wherein a second spring 32 is also provided in the mounting cavity for elastically pressing the second piston block 33; A plurality of rolling rods 23 are fixedly mounted on the rotating tube 9; A guide plate 20 located below the second rolling block 19, wherein the guide plate 20 is fixedly mounted on the inner wall of the processing box 1; and a filter plate 6 located in the processing box 1, wherein the filter plate 6 is located between the discharge port 2 5 and the rolling rod 23; The pre-crushing assembly comprises: The rotating column 12 is rotatably mounted on the top of the processing box 1, and the rotating column 12 also has a compression chamber 1, and a piston plate 34 is slidably mounted in the compression chamber 1. The piston plate 34 is a polygonal structure, so that when the piston plate 34 rotates with the push rod 27, the rotating column 12 can rotate with the piston plate 34; A push rod 27 is slidably mounted in the rotating column 12, one end of the push rod 27 is fixedly connected to the piston plate 34, and the other end of the push rod 27 is fixedly connected to the rolling block 26; A diamond-shaped crushing rod 13, wherein a plurality of diamond-shaped crushing rods 13 are fixedly mounted on the rotating column 12, and a second compression chamber is provided in the diamond-shaped crushing rod 13, and the second compression chamber is connected to the compression chamber processing box 1 through a conduit 35; wherein the first compression chamber and the second compression chamber are pre-filled with gas; A piston block 22 is slidably mounted in the diamond-shaped crushing rod 13, and a diamond-shaped expansion rod 31 is fixedly mounted on the piston block 22. A spring 36 for elastically supporting the piston block 22 is also arranged in the compression chamber 2.

[0029] In this embodiment, when in use, the air guide tube 4 is connected to the external air source, and the motor 7 can drive the rotating tube 9 to rotate by cooperating with the gear set 8. When the quartz stone falls on the top of the multi-directional screen drum 14, the rotating column 12 can impact the quartz stone by driving the diamond crushing rod 13 to rotate, so that it is broken. After crushing, some qualified quartz sand will enter the discharge chamber 24 through the filter holes on the top of the multi-directional screen drum 14, and the finely crushed quartz stone that has not passed will slide between the multi-directional screen drum 14 and the rolling block 26. The rolling block 26 and the protrusions on the surface of the rolling block 26 can be used to crush the finely crushed quartz sand. The quartz stone is further crushed. Similarly, qualified quartz sand will enter the discharge chamber 24 through the filter holes on the inner side of the multi-directional screen drum 14, and some fine quartz stones that have not passed through will fall onto the crushing block 19. The rotating crushing block 19 is used to crush the fine quartz stone again to make it fully crushed. After crushing, it will fall onto the filter plate 6 through the guide plate 20. The crushing rod 23 can reduce the accumulation of quartz sand on the filter plate 6 by following the rotation of the rotating tube 9. At the same time, it can crush the quartz sand again and improve the crushing effect. Finally, the quartz sand will be discharged through the discharge port 5; the air guide pipe is used The method of intermittently passing gas into and out of the rotating tube 9 allows the gas to enter the control box 21 and push the rolling block 26 to move up intermittently, thereby adjusting the gap size between the rolling block 26 and the multi-directional screen drum 14, and at the same time pressurizing the quartz stone in the gap to improve the crushing effect. The rolling block 26 can push the piston plate 34 to move by driving the push rod 27 to move, so that the gas can push the piston block 22 to move, thereby driving the diamond expansion rod 31 to move, expanding the crushing range, and thereby improving the crushing effect. When the gas is continuously charged into the control box 21, the rolling block 26 It will drive the guide tube 28 to continue to move upward, so that the top of the sealing rod 29 can move to below the air inlet on the guide tube 28, so that the gas can enter the rolling block 26 through the guide tube 28, and the gas can be ejected through the jet holes on the protrusion, effectively cleaning the quartz sand on the multi-directional screen cylinder 14 to avoid blockage; at the same time, the gas can also intermittently enter the installation cavity of the rolling block 19 to push the piston block 33 to move. When the gas is extracted, the spring 32 will press the piston block 33 to hit the inner wall of the rolling block 19, causing the rolling block 19 to vibrate, thereby reducing the accumulation of quartz sand on the rolling block 19.

[0030] In one embodiment of the present invention, see Figure 1-Figure 9 The discharge chamber 24 is also provided with an auxiliary component for discharging the once-processed qualified quartz sand through a discharge port 3; The auxiliary components include: The annular plate 18 is rotatably mounted in the processing box 1, and a scraper 25 is fixedly mounted on the annular plate 18. One end of the scraper 25 close to the annular plate 18 is slidably matched with the bottom of the discharge cavity 24, and one end of the scraper 25 away from the annular plate 18 is slidably matched with the multi-directional screen drum 14; An inner gear ring 17, wherein the inner gear ring 17 is fixedly mounted on the annular plate 18; A rotating shaft 15 is rotatably mounted in the processing box 1, one end of which is fixedly mounted with a driving gear 16 meshing with an inner gear ring 17, and the other end of the rotating shaft 15 is connected to the rotating column 12 via a linkage 10; wherein the linkage 10 is a combined structure of a pulley and a transmission belt; The protective cover 11 is used to protect the linkage member 10 . The protective cover 11 is fixedly mounted on the bottom of the processing box 1 , and a circular hole is opened on the protective cover 11 for the rotation shaft 15 and the rotation column 12 to pass through.

[0031] In this embodiment, the linkage 10 is used to realize the rotation of the rotating shaft 15 following the rotation column 12, and the driving gear 16 can drive the inner gear ring 17 and the annular plate 18 to rotate, thereby driving the scraper 25 to rotate. The scraper 25 can be used to push the quartz sand in the discharge chamber 24 out through the discharge port 3, and the scraper 25 can also be used to clean the multi-directional screen drum 14 to prevent blockage, and the end of the scraper 25 away from the annular plate 18 can be provided with bristles to further improve the cleaning effect.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "slide", "rotate", "fix", "have" and the like should be understood in a broad sense, for example, it can be a welding connection, a bolt connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A quartz sand processing, crushing and screening integrated machine, comprising a processing box, wherein the top and bottom of the processing box are respectively provided with a feed inlet and a discharge inlet, characterized in that: Also includes: A discharge cavity is provided in the processing box, and a discharge port 1 connected to the discharge cavity is also provided on the side wall of the processing box; A multi-stage processing mechanism, the multi-stage processing mechanism includes a rotating tube and a control box, the rotating tube is rotatably installed in the processing box, and a driving component for driving the rotating tube to rotate is also provided at the bottom of the processing box, the control box is fixedly installed on the rotating tube, and a primary processing component and a secondary processing component connected to the control box are also provided in the processing box, and a pre-crushing component is also provided on the primary processing component.

2. The integrated quartz sand processing, crushing and screening machine according to claim 1 is characterized in that: The driving assembly comprises a motor arranged at the bottom of the processing box, and the output shaft of the motor is connected to the rotating tube through a gear set, wherein the gear set is two sets of mutually meshing spur gears.

3. The integrated quartz sand processing, crushing and screening machine according to claim 1 is characterized in that: The primary processing components include: A multi-directional screen drum, which is fixedly installed in a processing box, and has a guide surface inclined toward the top of the multi-directional screen drum in the processing box, and filter holes are provided on the top and inner wall of the multi-directional screen drum, and the hollow structure in the multi-directional screen drum is connected to the discharge cavity; A rolling block 1, wherein the rolling block 1 is slidably mounted in the control box, and the gap between the surface of the rolling block 1 and the multi-directional screen cylinder gradually decreases from top to bottom; And a pneumatic component for driving a rolling block to move in the control box.

4. The integrated quartz sand processing, crushing and screening machine according to claim 3 is characterized in that: The top of the rolling block 1 is a conical structure, and the interior of the rolling block 1 is hollow. The surface of the rolling block 1 is also provided with a plurality of groups of protrusions, and the protrusions are provided with air injection holes connected with the interior of the rolling block 1.

5. The integrated quartz sand processing, crushing and screening machine according to claim 4 is characterized in that: The pneumatic assembly comprises: An air duct connected to the rotating tube, wherein the air duct is fixedly connected to the processing box via a bracket, and an air outlet connected to the control box is provided at one end of the rotating tube away from the air duct; A spring 1 for elastically supporting a rolling block 1, wherein the spring is set on the rotating tube; At least two groups of guide tubes, wherein the guide tubes are fixedly connected to the first rolling block and are in communication with the interior of the first rolling block, and an air inlet hole is provided at one end of the guide tube away from the first rolling block; A blocking rod is fixedly installed in the control box, and the blocking rod is slidably connected to the guide tube.

6. The integrated quartz sand processing, crushing and screening machine according to claim 1, characterized in that: The secondary processing components include: A second rolling block is fixedly mounted on the control box, wherein the second rolling block is provided with a mounting cavity connected to the control box, and the processing box is provided with an inclined surface for cooperating with the second rolling block to roll the quartz stone; A second piston block is slidably mounted in a mounting cavity in the second rolling block, wherein a second spring is also provided in the mounting cavity for elastically pressing the second piston block; Rolling rods, wherein a plurality of rolling rods are fixedly mounted on the rotating tube; A guide plate located below the second rolling block, wherein the guide plate is fixedly mounted on the inner wall of the processing box; And a filter plate is located in the processing box, and the filter plate is located between the second discharge port and the rolling rod.

7. The integrated quartz sand processing, crushing and screening machine according to claim 3 is characterized in that: The pre-crushing assembly comprises: A rotating column, the rotating column is rotatably mounted on the top of the processing box, and a compression chamber 1 is provided inside the rotating column, a piston plate is slidably mounted inside the compression chamber 1, and the piston plate is a polygonal structure; A push rod is slidably mounted in the rotating column, one end of the push rod is fixedly connected to the piston plate, and the other end of the push rod is fixedly connected to a rolling block; A diamond-shaped crushing rod, wherein multiple groups of the diamond-shaped crushing rods are fixedly installed on the rotating column, and the diamond-shaped crushing rods have a second compression chamber inside, and the second compression chamber is connected to the compression chamber processing box through a conduit; wherein the first compression chamber and the second compression chamber are pre-filled with gas; A piston block 1 is slidably mounted in the diamond-shaped crushing rod, a diamond-shaped expansion rod is fixedly mounted on the piston block 1, and a spring 3 for elastically supporting the piston block 1 is also arranged in the compression chamber 2.

8. The integrated quartz sand processing, crushing and screening machine according to claim 7, characterized in that: The discharge chamber is also provided with an auxiliary component for discharging the qualified quartz sand after the first processing through the discharge port.

9. The integrated quartz sand processing, crushing and screening machine according to claim 8, characterized in that: The auxiliary components include: An annular plate, the annular plate is rotatably mounted in the processing box, and a scraper is fixedly mounted on the annular plate, one end of the scraper close to the annular plate is slidably matched with the bottom of the discharge cavity, and one end of the scraper away from the annular plate is slidably matched with the multi-directional screen drum; An inner gear ring, the inner gear ring is fixedly mounted on the annular plate; And a rotating shaft rotatably installed in the processing box, one end of the rotating shaft is fixedly installed with a driving gear meshing with the inner gear ring, and the other end of the rotating shaft is connected to the rotating column through a linkage.

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