Flue gas collecting device of gas-water heat exchanger

By designing a flue gas collection device including a filter box, a gas guide assembly, a filter assembly, agitating assembly and a driving mechanism, the problem of low flue gas filtration efficiency in the prior art is solved, and efficient solid and liquid filtration of flue gas is achieved, and purification efficiency is improved.

CN119826183APending Publication Date: 2025-04-15ANHUI CHANGJIANG IRON & STEEL CO LTD
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Patent Information

Application Number
CN202411787758.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-04-15

AI Technical Summary

Technical Problem

When the existing gas-water heat exchanger flue gas collection device cleans the flue gas treatment, there is a risk of blockage in solid filtration, and the liquid filtered liquid has a risk of sedimentation, resulting in a reduction in filtration efficiency.

Method used

A flue gas collection device including a filter box, an air guide assembly, an outlet pipe, a filter assembly, an agitating assembly and a driving mechanism is designed. The flue gas is physically filtered through the filter plate. The filtered flue gas fully reacts with the liquid during the liquid filtration process, and the filtration efficiency and liquid mixing effect are improved by using the stirring assembly and driving mechanism.

Benefits of technology

Effective solid and liquid filtration of flue gas is achieved, harmful substances in flue gas are removed, flue gas purification efficiency is improved, and the problems of filtration components are blocked and liquid sedimentation are avoided.

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Abstract

The invention discloses a flue gas collecting device of a gas-water heat exchanger, and belongs to the technical field of flue gas treatment, the flue gas collecting device comprises a filter box, a gas guide assembly and a gas outlet pipe, and further comprises a filter assembly which is installed in a cavity B formed in the filter box and used for physically filtering flue gas guided into the cavity B through the gas guide assembly; the stirring assembly is mounted in a cavity A formed in the filter box and used for stirring liquid which is filtered by the filter assembly and then guided into the cavity A for water filtration treatment; the driving mechanism is arranged in the filter box and is used for stirring the liquid; wherein the filtering assembly comprises a mounting plate, a filtering plate, a mounting rod and an elastic supporting column; the device has the technical effects that solid filtration and liquid filtration can be carried out on smoke to remove harmful substances in the smoke.
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Description

Technical Field

[0001] The invention belongs to the technical field of flue gas treatment, and in particular relates to a flue gas collecting device for an air-water heat exchanger. Background Art

[0002] Existing air-water heat exchangers use boiler flue gas as the heat exchange medium, but there are harmful substances in the boiler flue gas. The flue gas after heat exchange needs to be cleaned before it can be discharged.

[0003] When cleaning the flue gas, the existing flue gas collection device generally first adopts solid filtration to remove solid impurities in the flue gas, and then adopts liquid filtration to remove some harmful substances in the flue gas. However, in solid filtration, there is a risk of clogging of the filter plate, resulting in reduced filtration efficiency. At the same time, there is a risk of sedimentation of the liquid medicine in the liquid filtered by liquid. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a flue gas collection device for an air-water heat exchanger, which solves the above-mentioned problems.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A smoke collection device for an air-water heat exchanger, comprising a filter box, an air guide component and an air outlet pipe, wherein the air guide component is installed on one side of the filter box, and the air outlet pipe is installed on the other side of the filter box and is connected to the filter box, and further comprises:

[0006] The filter assembly is installed in the cavity B opened on the filter box, and is used to physically filter the smoke introduced into the cavity B through the air guide assembly;

[0007] The stirring assembly is installed in the cavity A opened on the filter box, and is used to stir the liquid introduced into the cavity A for water filtration after being filtered by the filter assembly;

[0008] The driving mechanism is installed in the cavity C opened on the filter box, and is used to clean the filter component or drive the stirring component to stir the liquid in the cavity A;

[0009] Among them, the filter assembly includes a mounting plate, a filter plate, a mounting rod and an elastic support column, the two mounting plates are correspondingly installed at both ends of the mounting rod, the filter plate is sleeved on the mounting rod and fixedly connected to the mounting rod, a plurality of filter plates are located between the two mounting plates and are evenly distributed along the length direction of the mounting rod, and the output end of the elastic support column installed at the bottom of the filter box is fixedly connected to the mounting plate located below.

[0010] On the basis of the above technical solution, the present invention also provides the following optional technical solution:

[0011] Further technical solution: a plurality of the filter plates are located between the two mounting plates and are evenly distributed along the length direction of the mounting rod, and a plurality of the filter plates are obliquely arranged on the mounting rod.

[0012] Further technical solution: The air guide assembly includes a side plate and an air intake pipe, the air intake pipe is fixedly connected to the side plate, the side plate is detachably mounted on the filter box, and the air intake pipe is connected to the cavity B.

[0013] Further technical solution: the driving mechanism includes a main shaft, a cylinder, a motor, a bevel gear A, a bevel gear B, an elastic member, a rotating ring and a ratchet. The main shaft is slidably matched with the ratchet embedded in the cylinder. The main shaft is provided with a limiting slide groove that slidably matches with a protrusion fixedly connected to the inner side of the ratchet. The cylinder is located in the cavity C and is fixedly connected to the filter box. The bevel gear A is rotatably connected to the cylinder. The output shaft of the motor embedded in the cylinder is fixedly connected to the bevel gear A. The upper end of the main shaft is fixedly connected to the bevel gear B, and the bevel gear B is meshed with the bevel gear A. The elastic member is sleeved on the main shaft, and both ends of the elastic member are fixedly connected with rotating rings. The two rotating rings are correspondingly rotatably mounted on the bottom of the cylinder and the bottom of the bevel gear B, and the bottom end of the main shaft abuts against the mounting plate located at the upper end.

[0014] Further technical solution: the stirring assembly includes a reciprocating screw, a stirring rod, a mounting plate, a transmission pair and a support frame, the reciprocating screw is rotatably connected to the filter box, the mounting plate is fixedly connected to the lower end of the reciprocating screw, the two stirring rods are symmetrically installed on the mounting plate, the pulley A in the transmission pair is fixedly connected to the reciprocating screw, the pulley B in the transmission pair is slidably matched with the limiting slide groove opened on the main shaft, the pulley B is rotatably connected to the support frame fixedly connected to the filter box and rotatably connected to the main shaft, and the pulley A and the pulley B are connected by belt drive.

[0015] A further technical solution also includes a pushing component for introducing the liquid medicine in cavity D into cavity A.

[0016] Further technical solution: The pushing assembly includes a push plate, which is slidably matched with the cavity D. The cavity D is connected to the cavity A through an injection hole A opened on the filter box. A valve member A is installed in the injection hole A. The push plate is connected to the reciprocating screw through a connecting assembly.

[0017] Further technical solution: The connecting assembly includes a connecting disk and a linear moving part, the linear moving part is embedded and installed in the push plate, the output end of the linear moving part is slidingly matched with the socket opened on the connecting disk, the connecting disk is rotationally connected to the push plate, and the connecting disk is threadedly connected to the reciprocating screw.

[0018] The present invention provides a gas-water heat exchanger smoke collection device, which has the following features compared with the prior art:

[0019] Beneficial effects:

[0020] 1. In the present invention, smoke is introduced into the cavity B through the side plate, and is filtered through a plurality of filter plates from top to bottom in sequence. The filtered smoke is introduced into the cavity A through the injection hole B provided on the filter box for liquid filtration. At the same time, the motor is prompted to drive the bevel gear A to reverse, and the right-angled sides of the teeth of the bevel gear A and the right-angled sides of the teeth of the bevel gear B are subjected to force. The bevel gear A drives the bevel gear B to drive the main shaft to rotate. The main shaft drives the reciprocating screw to rotate in the vertical direction through the transmission pair. The reciprocating screw drives the mounting plate to drive the stirring rod to move in a circular trajectory, and the liquid in the cavity A is stirred, thereby achieving the technical effect of filtering the smoke for solids and filtering the liquid to remove harmful substances contained therein for discharge;

[0021] 2. In the present invention, the motor is started to drive the bevel gear A to rotate forward, and the bevel edges of the bevel gear A and the bevel gear B are subjected to force. At this time, the bevel gear A pushes the bevel gear B to drive the main shaft to perform linear reciprocating motion in the vertical direction, and the main shaft pushes the mounting plate to drive the entire filter assembly to vibrate, so as to achieve the technical effect of improving the filtration rate of the filter assembly;

[0022] 3. In the present invention, after the vibration filter assembly is completed, the output end of the linear motion part is inserted into the jack opened on the connecting disk. At this time, the rotating reciprocating screw pushes the connecting disk to drive the push plate to perform linear movement in the vertical direction, and then the push plate is used to introduce the liquid in cavity D into cavity A through the injection hole A, and is fully mixed with the liquid in cavity A under the stirring of the stirring assembly, so as to promote the full reaction of the flue gas and the liquid, thereby improving the flue gas purification efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0024] Figure 2 It is a schematic diagram of the overall structure of the present invention.

[0025] Figure 3 It is a schematic diagram of the structure of the filter assembly of the present invention.

[0026] Figure 4 It is a schematic diagram of the structure of the stirring component and the pushing component of the present invention.

[0027] Figure 5 For the present invention Figure 2 A-section structure enlarged schematic diagram.

[0028] Notes on the accompanying drawings: 1. filter box; 101. cavity A; 102. cavity B; 103. cavity C; 104. cavity D; 2. air guide assembly; 201. side panel; 202. air inlet pipe; 3. air outlet pipe; 4. driving mechanism; 401. main shaft; 402. cylinder; 403. motor; 404. bevel gear A; 405. bevel gear B; 406. elastic member; 407. rotating ring; 408. ratchet; 5. stirring assembly; 501. reciprocating screw; 502. stirring rod; 503. mounting plate; 504. transmission pair; 505. support frame; 6. pushing assembly; 601. push plate; 602. connecting assembly; 7. filtering assembly; 701. mounting plate; 702. filter plate; 703. mounting rod; 704. elastic support column. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0030] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0031] See also Figure 1 to Figure 5 , provided in one embodiment of the present invention, is a flue gas collection device for an air-water heat exchanger, comprising a filter box 1, an air guide component 2 and an air outlet pipe 3, wherein the air guide component 2 is mounted on one side of the filter box 1, and the air outlet pipe 3 is mounted on the other side of the filter box 1 and is connected to the filter box 1, and further comprising:

[0032] The filter assembly 7 is installed in the cavity B102 opened on the filter box 1, and is used for physically filtering the smoke introduced into the cavity B102 through the air guide assembly 2;

[0033] The stirring assembly 5 is installed in the cavity A101 opened on the filter box 1, and is used to stir the liquid introduced into the cavity A101 for water filtration after being filtered by the filter assembly 7;

[0034] The driving mechanism 4 is installed in the cavity C103 opened on the filter box 1, and is used to clean the filter component 7 or drive the stirring component 5 to stir the liquid in the cavity A101;

[0035] Among them, the filter assembly 7 includes a mounting plate 701, a filter plate 702, a mounting rod 703 and an elastic support column 704, the two mounting plates 701 are correspondingly mounted at both ends of the mounting rod 703, the filter plate 702 is sleeved on the mounting rod 703 and fixedly connected to the mounting rod 703, a plurality of the filter plates 702 are located between the two mounting plates 701 and are evenly distributed along the length direction of the mounting rod 703, the output end of the elastic support column 704 installed at the bottom of the filter box 1 is fixedly connected to the mounting plate 701 located below, and a plurality of the filter plates 702 are obliquely arranged on the mounting rod 703, the purpose of this arrangement is to use a plurality of filter plates 702 linearly and evenly arranged on the mounting rod 703 to filter the flue gas flowing from top to bottom, and because the filter plate 702 is inclined, when the filter assembly 7 is vibrated by the driving mechanism 4, the filtered dust on the upper end surface of the filter plate 702 will gradually accumulate at the inclined bottom end of the filter plate 702.

[0036] Among them, the air guide component 2 includes a side panel 201 and an air intake pipe 202. The air intake pipe 202 is fixedly connected to the side panel 201. The side panel 201 can be detachably installed on the filter box 1. The air intake pipe 202 is connected to the cavity B102. The purpose of this setting is to use the air intake pipe 202 to promote the introduction of smoke into the cavity B102. Furthermore, when the filter dust on the filter plate 702 accumulates for a period of time, the technician removes the side panel 201 to discharge the filter dust.

[0037] Wherein, the driving mechanism 4 includes a main shaft 401, a cylinder 402, a motor 403, a bevel gear A404, a bevel gear B405, an elastic member 406, a rotating ring 407 and a ratchet 408. The main shaft 401 is slidably matched with the ratchet 408 embedded in the cylinder 402. A limiting slide groove (not marked in the figure) is provided on the main shaft 401 to slidably match with a protrusion (not marked in the figure) fixedly connected to the inner side of the ratchet 408. The cylinder 402 is located in the cavity C103 and is fixedly connected to the filter box 1. The bevel gear A404 is rotatably connected to the cylinder 402. The output shaft of the motor 403 embedded in the cylinder 402 is fixedly connected to the bevel gear A404. The upper end of the main shaft 401 is fixedly connected to the bevel gear B405. The bevel gear B405 is meshed with the bevel gear A404, and the elastic member 406 is sleeved on the main shaft 401. Both ends of the elastic member 406 are fixedly connected with rotating rings 407. The two rotating rings 407 are correspondingly rotatably installed at the bottom of the cylinder 402 and the bottom of the bevel gear B405. The bottom end of the main shaft 401 abuts against the mounting plate 701 located at the upper end. The motor 403 drives the bevel gear A404 to rotate forward. The bevel edges of the teeth of the bevel gear A404 and the bevel edges of the teeth of the bevel gear B405 are subjected to force. At this time, the bevel gear A404 pushes the bevel gear B405 to drive the main shaft 401 to perform linear reciprocating motion in the vertical direction. The main shaft 401 pushes the mounting plate 701 to drive the entire filter assembly 7 to vibrate, so as to achieve the technical effect of improving the filtration rate of the filter assembly 7.

[0038] The stirring assembly 5 includes a reciprocating screw rod 501, a stirring rod 502, a mounting plate 503, a transmission pair 504 and a support frame 505. The reciprocating screw rod 501 is rotatably connected to the filter box 1, the mounting plate 503 is fixedly connected to the lower end of the reciprocating screw rod 501, and the two stirring rods 502 are symmetrically mounted on the mounting plate 503. The pulley A in the transmission pair 504 is fixedly connected to the reciprocating screw rod 501, and the pulley B in the transmission pair 504 is slidably matched with the limiting slide groove opened on the main shaft 401. The pulley B is fixedly connected to the filter box 1 and rotatably connected to the main shaft 401. The support frame 505 is rotatably connected, and the pulley A and the pulley B are connected through belt drive. The motor 403 pushes the bevel gear A404 to reverse, and the right-angled sides of the teeth of the bevel gear A404 and the right-angled sides of the teeth of the bevel gear B405 are subjected to force. The bevel gear A404 pushes the bevel gear B405 to drive the main shaft 401 to rotate. The main shaft 401 drives the reciprocating screw rod 501 to rotate in the vertical direction through the transmission pair 504. The reciprocating screw rod 501 pushes the mounting plate 503 to drive the stirring rod 502 to move in a circular trajectory, so as to stir the liquid in the cavity A101 and promote the full reaction of the flue gas and the liquid.

[0039] It also includes a pushing component 6 for introducing the liquid medicine in the cavity D104 into the cavity A101, the pushing component 6 includes a push plate 601, the push plate 601 is slidably matched with the cavity D104, the cavity D104 is connected with the cavity A101 through an injection hole A (not marked in the figure) opened on the filter box 1, a valve member A is installed in the injection hole A, the push plate 601 is transmission-connected to the reciprocating screw rod 501 through a connecting component 602, the connecting component 602 includes a connecting disk and a linear motion part, and the linear motion part is embedded and installed in the push plate 601. Inside, the output end of the linear motion part slides with the socket opened on the connecting disk, the connecting disk is rotatably connected to the push plate 601, the connecting disk is threadedly connected to the reciprocating screw 501, and the output end of the linear motion part is inserted into the socket opened on the connecting disk. At this time, the rotating reciprocating screw 501 pushes the connecting disk to drive the push plate 601 to perform linear movement in the vertical direction, and then the push plate 601 is used to introduce the medicine liquid in the cavity D104 into the cavity A101 through the injection hole A, and is fully mixed with the liquid in the cavity A101 under the stirring of the stirring component 5.

[0040] In the embodiment of the present invention, the smoke is introduced into the cavity B102 through the side plate 201, and is filtered through a plurality of filter plates 702 from top to bottom in sequence. The filtered smoke is introduced into the cavity A101 through the injection hole B (a one-way valve is installed in the injection hole B) provided on the filter box 1 for liquid filtration. At the same time, the motor 403 is prompted to push the bevel gear A404 to reverse. The right-angled sides of the teeth of the bevel gear A404 and the right-angled sides of the teeth of the bevel gear B405 are subjected to force. The bevel gear A404 pushes the bevel gear B405 to drive the main shaft 401 to rotate. The main shaft 401 drives the reciprocating screw 501 to rotate in the vertical direction through the transmission pair 504. The reciprocating screw 501 pushes the mounting plate 503 to drive the stirring rod 502 to move in a circular trajectory to stir the liquid in the cavity A101. After running for a period of time, the motor 403 is started to drive the bevel gear A404 to rotate forward. The bevel edges of the teeth of bevel gear A404 and the bevel edges of the teeth of bevel gear B405 are subjected to force. At this time, bevel gear A404 pushes bevel gear B405 to drive the main shaft 401 to perform linear reciprocating motion in the vertical direction. The main shaft 401 pushes the mounting plate 701 to drive the entire filter assembly 7 to vibrate, so as to achieve the technical effect of improving the filtration rate of the filter assembly 7. After the vibration filter assembly 7 is completed, the output end of the linear motion part is inserted into the jack opened on the connecting disk. At this time, the rotating reciprocating screw 501 pushes the connecting disk to drive the push plate 601 to perform linear motion in the vertical direction, and then the push plate 601 is used to introduce the medicine liquid in the cavity D104 into the cavity A101 through the injection hole A, and is fully mixed with the liquid in the cavity A101 under the stirring of the stirring assembly 5, so as to promote the full reaction of the flue gas and the liquid, so as to achieve the technical effect of solid filtration of the flue gas and liquid filtration to remove harmful substances in the flue gas.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flue gas collection device for an air-water heat exchanger, comprising a filter box (1), an air guide component (2) and an air outlet pipe (3), wherein the air guide component (2) is installed on one side of the filter box (1), and the air outlet pipe (3) is installed on the other side of the filter box (1) and is connected to the filter box (1), characterized in that: Also includes: A filter assembly (7) is installed in a cavity B (102) provided on the filter box (1) and is used for physically filtering the smoke introduced into the cavity B (102) through the air guide assembly (2); A stirring assembly (5) is installed in a cavity A (101) opened on the filter box (1) and is used to stir the liquid that is filtered by the filter assembly (7) and then introduced into the cavity A (101) for water filtration treatment; A driving mechanism (4) is installed in a cavity C (103) opened on the filter box (1) and is used to clean the filter assembly (7) or drive the stirring assembly (5) to stir the liquid in the cavity A (101); The filter assembly (7) comprises a mounting plate (701), a filter plate (702), a mounting rod (703) and an elastic support column (704); the two mounting plates (701) are respectively mounted at two ends of the mounting rod (703); the filter plate (702) is sleeved on the mounting rod (703) and fixedly connected to the mounting rod (703); a plurality of filter plates (702) are located between the two mounting plates (701) and are evenly distributed along the length direction of the mounting rod (703); and the output end of the elastic support column (704) mounted at the bottom of the filter box (1) is fixedly connected to the mounting plate (701) located below.

2. The gas-to-water heat exchanger smoke collection device according to claim 1, characterized in that: The plurality of filter plates (702) are located between the two mounting plates (701) and are evenly distributed along the length direction of the mounting rod (703); the plurality of filter plates (702) are obliquely arranged on the mounting rod (703).

3. The flue gas collection device for the air-water heat exchanger according to claim 1, characterized in that: The air guide assembly (2) comprises a side plate (201) and an air intake pipe (202); the air intake pipe (202) is fixedly connected to the side plate (201); the side plate (201) is detachably mounted on the filter box (1); and the air intake pipe (202) is connected to the cavity B (102).

4. The gas-water heat exchanger smoke collection device according to claim 2, characterized in that: The driving mechanism (4) comprises a main shaft (401), a cylinder (402), a motor (403), a bevel gear A (404), a bevel gear B (405), an elastic member (406), a rotating ring (407) and a ratchet (408); the main shaft (401) is slidably matched with a ratchet (408) embedded in the cylinder (402); a limiting sliding groove is provided on the main shaft (401) and is slidably matched with a protrusion fixedly connected to the inner side of the ratchet (408); the cylinder (402) is located in the cavity C (103) and is fixedly connected to the filter box (1); the bevel gear A (404) is rotatably connected to the cylinder (402); ), the output shaft of the motor (403) embedded in the cylinder (402) is fixedly connected to the bevel gear A (404), the upper end of the main shaft (401) is fixedly connected to the bevel gear B (405), the bevel gear B (405) is meshed with the bevel gear A (404), the elastic member (406) is sleeved on the main shaft (401), both ends of the elastic member (406) are fixedly connected with a rotating ring (407), the two rotating rings (407) are correspondingly rotatably mounted on the bottom of the cylinder (402) and the bottom of the bevel gear B (405), and the bottom end of the main shaft (401) abuts against the mounting plate (701) at the upper end.

5. The smoke collection device for an air-water heat exchanger according to claim 1, characterized in that: The stirring assembly (5) comprises a reciprocating screw (501), a stirring rod (502), a mounting plate (503), a transmission pair (504) and a support frame (505); the reciprocating screw (501) is rotatably connected to the filter box (1); the mounting plate (503) is fixedly connected to the lower end of the reciprocating screw (501); the two stirring rods (502) are symmetrically mounted on the mounting plate (503); the pulley A in the transmission pair (504) is fixedly connected to the reciprocating screw (501); the pulley B in the transmission pair (504) is slidably matched with a limiting slide groove provided on the main shaft (401); the pulley B is rotatably connected to a support frame (505) fixedly connected to the filter box (1) and rotatably connected to the main shaft (401); the pulley A and the pulley B are connected by belt transmission.

6. The smoke collection device for an air-water heat exchanger according to claim 5, characterized in that: It also includes a pushing component (6) for introducing the medical solution in cavity D (104) into cavity A (101).

7. The smoke collection device for an air-water heat exchanger according to claim 6, characterized in that: The pushing assembly (6) comprises a pushing plate (601), the pushing plate (601) being in sliding cooperation with the cavity D (104), the cavity D (104) being connected with the cavity A (101) via an injection hole A provided on the filter box (1), a valve member A being installed in the injection hole A, and the pushing plate (601) being in transmission connection with the reciprocating screw rod (501) via a connecting assembly (602).

8. The smoke collection device for an air-water heat exchanger according to claim 7, characterized in that: The connecting assembly (602) comprises a connecting disk and a linear moving part, wherein the linear moving part is embedded in the push plate (601), the output end of the linear moving part is slidably matched with a socket provided on the connecting disk, the connecting disk is rotationally connected to the push plate (601), and the connecting disk is threadedly connected to the reciprocating screw rod (501).