A slag poking device for the slag dropping pipe of a power plant boiler

Abstract

The present invention belongs to the technical field of power plant equipment, and particularly relates to a slag poking device for a power plant boiler slag dropping pipe, which includes a slag cleaning head installed inside the slag dropping pipe. The lower end of the slag cleaning head is connected with a slag poking rod. A bottom plate is fixedly connected to the lower end of the slag dropping pipe. The slag poking rod passes downward through the bottom plate and is connected with a first driving mechanism and a second driving mechanism, and is driven to rotate by the first driving mechanism and driven to move up and down by the second driving mechanism. In the present invention, the slag poking rod is driven to rotate by the first driving mechanism and driven to move up and down by the second driving mechanism, and the first driving mechanism and the second driving mechanism do not affect each other. The rotation and movement of the slag poking rod can be carried out simultaneously. By the above method, the existing manual slag poking is replaced, ensuring the smooth progress of the slag poking work, improving the slag poking efficiency, and avoiding the danger brought by manual slag poking.

Description

Technical Field

[0001] The present invention belongs to the technical field of power plant equipment, and particularly relates to a slag poking device for a slag dropping pipe of a power plant boiler. Background Art

[0002] Previously, most power plants used clean coal for combustion power supply. When clean coal burns, it burns relatively fully, so the slag after combustion is powdery and does not cause coking. However, with the increasing development of society and the gradual shortage of resources, requirements for the resource consumption of power plants have also been put forward. In order to reduce the combustion cost of power plants, in current power plants, the quality of the coal blocks used gradually decreases. The low-quality coal contains a large amount of impurities such as phosphorus, sulfur, and iron ore, resulting in the slag after combustion being prone to coking, thus blocking the slag dropping pipe. To ensure the normal use of the equipment, in the prior art, workers would use steel bars to poke and clean the slag dropping pipe. However, there are certain risks in manual cleaning by workers. For example, at the moment when the pipe is unblocked, the uncooled slag will also fall down together, which is likely to scald the staff. At the same time, due to the large amount of slag in the slag dropping pipe, after the steel bar is poked up, it often cannot be pulled out. There will also be a situation where a large amount of falling slag forms an arching effect in the limited space of the slag dropping pipe, squeezing the steel bar, so that the staff cannot pull out the steel bar. In this case, large traction equipment often needs to be used to pull out the steel bar, greatly reducing the slag cleaning efficiency. Summary of the Invention

[0003] The present invention provides a slag poking device for a slag dropping pipe of a power plant boiler in view of the above problems.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] A slag poking device for a slag dropping pipe of a power plant boiler includes a slag cleaning head installed inside the slag dropping pipe. The lower end of the slag cleaning head is connected with a slag poking rod. A bottom plate is fixedly connected to the lower end of the slag dropping pipe. The slag poking rod passes downward through the bottom plate and is connected with a first driving mechanism and a second driving mechanism, and is driven to rotate by the first driving mechanism and driven to move up and down by the second driving mechanism.

[0006] Further, the first driving mechanism includes a driven bevel gear, which is key-connected to the slag poking rod. A roller is arranged between the driven bevel gear and the slag poking rod to reduce the wear between the driven bevel gear and the slag poking rod. The driven bevel gear is rotatably installed in the installation box, and the installation box is installed on the first mounting seat. The first mounting seat is fixed on the second-layer platform. A first sleeve is arranged between the installation box and the bottom plate, and the slag poking rod is arranged in the first sleeve. The driven bevel gear is meshed and connected with the driving bevel gear, and the driving bevel gear is installed on the first transmission shaft. The first transmission shaft is rotatably installed on the first bracket, and the first bracket is installed on the first mounting seat. A first driven sprocket is installed at the other end of the first transmission shaft. The first driven sprocket is connected with the first driving sprocket through a first chain. The first driving sprocket is installed on the output shaft of the first reducer, and the input shaft of the first reducer is connected with the output shaft of the first motor. The first reducer and the first motor are fixed on the first mounting seat.

[0007] Furthermore, the first transmission shaft is axially limited and connected to the first bracket. A pressing piece is fixedly arranged on the upper surface of the first mounting seat. The pressing piece and the first mounting seat together form a guiding cavity to guide the first bracket. A sliding block is connected to the lower surface of the first bracket by bolts. The sliding block is slidably arranged in the chute on the first mounting seat. The sliding block is also slidably connected to the guiding shaft. The guiding shaft is fixedly connected to the first mounting seat through a mounting block. A retaining ring is clamped on the guiding shaft, and the retaining ring is located on the side of the sliding block away from the driving bevel gear. A return spring is arranged between the retaining ring and the sliding block. The return spring is sleeved on the guiding shaft. Under the action of the return spring, the driving bevel gear and the driven bevel gear are meshed. When the driven bevel gear is affected by the heat on the slag poking rod and expands, the driving bevel gear can elastically retract, and at the same time, the meshing with the driven bevel gear will not be disengaged, ensuring that the driving bevel gear will not be stuck due to the thermal expansion of the driven bevel gear.

[0008] Furthermore, the second driving mechanism includes a second motor. The output shaft of the second motor is connected to the input shaft of a second speed reducer. The output shaft of the second speed reducer is connected to a second transmission shaft. The second transmission shaft is rotatably installed on two mounting plates. The second motor, the second speed reducer, and the mounting plates are all fixed on a second support. The second support is fixed on the lower surface of the second-layer platform. The other end of the second transmission shaft is equipped with a second driving sprocket. The second driving sprocket is connected to a second driven sprocket through a second chain. The second driven sprocket is installed at the bottom of a second sleeve. The second sleeve is installed below the ground and is used to provide a moving space for the up-and-down movement of the slag poking rod. A slide rail is installed on the inner side wall of the second sleeve and extends upward to the second support. A lifting frame is arranged inside the second sleeve. The lifting frame is slidably connected to the slide rail. The lifting frame is fixedly connected to one side of the second chain, so as to drive the lifting frame to move up and down through the second chain. The lifting frame is rotatably connected to the slag poking rod through a bearing and can drive the slag poking rod to move up and down.

[0009] Furthermore, the second motor and the second speed reducer are fixed on a second mounting seat. The second mounting seat is fixed on the ground. A third driving sprocket is arranged on the output shaft of the second speed reducer. The third driving sprocket is connected to a third driven sprocket through a third chain. The third driven sprocket is installed on the second transmission shaft. The third chain is also engaged with a tensioning sprocket.

[0010] Furthermore, the second driving mechanism includes a fixed clamp, a movable clamp, a first cylinder, a second cylinder, and an air source. The air source is used to supply air to the first cylinder and the second cylinder. The first cylinder is installed on the outer side wall of a third sleeve. The upper end of the third sleeve is fixedly connected to the second support. The fixed clamp is installed at the upper end of the third sleeve and can be loosened or clamped to the slag poking rod by the drive of the first cylinder. The second cylinder is installed inside the third sleeve. The movable clamp is rotatably connected to the piston rod of the second cylinder and can move up and down along with the second cylinder. The movable clamp is used to drive the slag poking rod to move up and down, so as to realize the rotary feeding or rotary withdrawal of the slag poking rod.

[0011] Furthermore, the fixing fixture includes a connecting rod, one end of the connecting rod is hinged to the piston rod of cylinder No. 1, the cylinder No. 1 is fixedly mounted on sleeve No. 3, the middle part of the connecting rod is hinged to the hinge seat, the hinge seat is fixedly mounted on bracket No. 2 on the lower surface of the second-layer platform, the other end of the connecting rod is hinged to the No. 1 operating rod, the No. 1 operating rod is slidably set on two No. 1 fixed plates, and the No. 1 fixed plate located on the upper part is fixedly connected to the No. 2 bracket, a No. 1 connecting sleeve is fixedly arranged between the two No. 1 fixed plates, a No. 1 shift fork rod is commonly arranged on the two No. 1 fixed plates, the lower end of the No. 1 shift fork rod is hinged to the middle part of the fixed fork, one end of the fixed fork is clamped with the No. 1 shifting groove at the lower part of the No. 1 operating rod, and the other end of the fixed fork is A No. 1 clamping groove on the No. 1 clamping sleeve is clamped, a No. 1 bearing positioning sleeve is fixedly connected to the interior of the No. 1 connecting sleeve through a locating pin, a No. 1 fixing sleeve is rotatably arranged inside the No. 1 bearing positioning sleeve, a No. 1 bearing retaining ring is clamped on the No. 1 fixing sleeve through a No. 1 nut connected by a thread, a No. 1 elastic clamp is fixedly connected to the interior of the No. 1 fixing sleeve, a No. 1 clamping sleeve matching with it is sleeved on the outer sleeve of the No. 1 elastic clamp, the inner side end of the No. 1 clamping sleeve is slidably arranged inside the No. 1 connecting sleeve, a No. 1 spring retaining ring is arranged inside the No. 1 clamping sleeve, a No. 1 spring retaining ring is arranged between the No. 1 spring retaining ring and the No. 1 bearing retaining ring, and the No. 1 spring retaining ring is used to transmit the force applied by the No. 1 spring to the No. 1 clamping sleeve;

[0012] The movable clamp includes a No. 2 operating lever, the lower end of the No. 2 operating lever is rotatably connected to the piston rod of the No. 2 cylinder, and can be lifted up and down with the No. 2 cylinder, the No. 2 cylinder is fixedly installed in the No. 3 sleeve, a hollow cylinder is fixedly connected to the piston rod of the No. 2 cylinder, and the inner core of the hollow cylinder is fixedly connected to the piston rod of the No. 2 cylinder, a No. 2 fixed plate is slidably connected to the upper and lower parts of the No. 2 operating lever, the outer shell of the hollow cylinder is fixedly connected to the No. 2 fixed plate at the lower part, for driving the No. 2 fixed plate to move up and down, the No. 2 operating lever is slidably connected to the No. 2 fixed plate, the No. 2 fixed plate is slidably connected to the slide rail, the No. 2 operating lever is keyed with a driven gear, and the driven gear is Limiting sleeves are provided above and below the gear, and the limiting sleeves are clamped between the driven gear and the No. 2 fixed plate to realize the positioning of the driven gear and the two No. 2 fixed plates. The two limiting sleeves are arranged on the No. 2 operating lever, and the driven gear is meshed and connected with the driving gear, and the driving gear is installed on the output shaft of the swing cylinder, and the swing cylinder is fixedly connected to one of the No. 2 fixed plates through a fixing seat, and a No. 2 shift fork rod is commonly provided on the two No. 2 fixed plates, and the upper and lower ends of the No. 2 shift fork rod are respectively hinged to the middle parts of the upper shift fork and the lower shift fork, and one end of the upper shift fork and the lower shift fork are respectively clamped to the No. 2 clamping grooves provided on the upper clamping sleeve and the lower clamping sleeve, and the other ends of the upper shift fork and the lower shift fork are respectively clamped to the No. 2 clamping grooves on the No. 2 operating lever. The second toggle groove at the top and the lower part are clamped, the second toggle groove is a cam groove, which is divided into a working side and a non-working side, and the working sides and non-working sides of the two No. 2 toggle grooves are oppositely arranged, that is, when the movable clamp drives the slag-poking rod to move upward, the working side of the No. 2 toggle groove at the upper part is clamped with the upper shift fork, used for driving the upper shift fork to move upward, and the non-working side of the No. 2 toggle groove at the lower part abuts against the lower shift fork without providing an acting force; when the movable clamp drives the slag-poking rod to move downward, the non-working side of the No. 2 toggle groove at the upper part abuts against the upper shift fork without providing an acting force, and the working side of the No. 2 toggle groove at the lower part is clamped with the lower shift fork, used for driving the lower shift fork to move downward, and a No. 2 connecting sleeve is fixedly connected between the two No. 2 fixed plates, and a No. 2 connecting sleeve is fixedly connected between the two No. 2 fixing plates, and a No. 2 connecting sleeve is fixedly connected between the No. 2 fixing plates. A No. 2 bearing locating sleeve is fixedly connected to the interior of the connecting sleeve through a locating pin, a No. 2 fixing sleeve is rotatably arranged inside the No. 2 bearing locating sleeve through the bearing, a No. 2 bearing retaining ring is clamped on the upper and lower parts of the No. 2 fixing sleeve through a No. 2 nut connected by threads, an upper elastic clamp and a lower elastic clamp are fixedly connected to the upper and lower parts of the No. 2 fixing sleeve respectively, an upper clamping sleeve and a lower clamping sleeve matching with them are respectively sleeved on the upper elastic clamp and the lower elastic clamp, the inner side ends of the upper clamping sleeve and the lower clamping sleeve are respectively slidably arranged on the upper and lower parts of the No. 2 connecting sleeve, a No. 2 spring retaining ring is arranged in the upper clamping sleeve and the lower clamping sleeve, and a No. 2 spring is arranged between the corresponding No. 2 spring retaining ring and the No. 2 bearing retaining ring.

[0013] Furthermore, a material pushing and clamping rack is arranged on the bottom plate, a material pushing blade is movably arranged in the material pushing and clamping rack, and the material pushing blade is key-connected to the slag poking rod.

[0014] Furthermore, a vertical air distribution pipe is arranged in the first sleeve, the air distribution pipe is connected to an air source through a pipeline, air injection holes are uniformly distributed on the air distribution pipe, and exhaust holes are uniformly distributed on the side wall of the first sleeve opposite to the air distribution pipe.

[0015] Furthermore, a third sleeve is arranged between the second sleeve and the second support, the second sleeve is connected to the third sleeve, a gas channel is arranged inside one of the slide rails, the upper part of the gas channel is connected to an air source through a pipeline, an air outlet hole is opened at the lower end of the gas channel, and an exhaust port is arranged at the upper part of the third sleeve.

[0016] Compared with the prior art, the present invention has the following advantages:

[0017] In the present invention, the slag poking rod is driven to rotate by the first driving mechanism, and the slag poking rod is driven to move up and down by the second driving mechanism, and the first driving mechanism and the second driving mechanism do not affect each other. The rotation and movement of the slag poking rod can be carried out simultaneously. By the above method, the existing manual slag poking is replaced, ensuring the smooth progress of the slag poking work, improving the slag poking efficiency, and avoiding the danger brought by manual slag poking;

[0018] In the present invention, cooling air is introduced into the first sleeve, the second sleeve and the third sleeve to cool the slag poking rod in real time, avoiding the influence of the high temperature of the slag on the stiffness and strength of the slag poking rod;

[0019] The present invention also sets a material pushing blade, which can push the slag into the slag cooler through the material pushing blade after the slag is poked down, avoiding the accumulation of slag at the lower end of the slag dropping pipe and causing slag blockage;

[0020] In the present invention, the feeding of the slag poking rod is realized through the movable fixture, and when the movable fixture returns, the slag poking rod is clamped by the fixed fixture to ensure that the slag poking rod does not fall during the return movement of the movable fixture. Description of the Drawings

[0021] Figure 1 It is a schematic structural diagram of Embodiment 2 of the present invention;

[0022] Figure 2 It is a schematic structural diagram above the second-layer platform of the present invention;

[0023] Figure 3 For the present invention Figure 2 View in the direction of K in;

[0024] Figure 4 For the present inventionFigure 3 Partial enlarged view of middle frame B;

[0025] Figure 5 Structural schematic diagram of the first driving mechanism of the present invention;

[0026] Figure 6 For the present invention Figure 5 Cross-sectional view of the J-J section in the present invention;

[0027] Figure 7 Structural schematic diagram between the ground and the second-floor platform in Embodiment 1 of the present invention;

[0028] Figure 8 For the present invention Figure 7 Partial enlarged view of middle frame F;

[0029] Figure 9 Structural schematic diagram under the ground in Embodiment 1 and Embodiment 2 of the present invention;

[0030] Figure 10 For the present invention Figure 9 Partial enlarged view of circle E in the present invention;

[0031] Figure 11 Installation schematic diagram of the lifting frame and the slide rail of the present invention;

[0032] Figure 12 Structural schematic diagram between the ground and the second-floor platform in Embodiment 2 of the present invention;

[0033] Figure 13 For the present invention Figure 12 Partial enlarged view of circle C in the present invention;

[0034] Figure 14 For the present invention Figure 12 Cross-sectional view of the H-H section in the present invention;

[0035] Figure 15 For the present invention Figure 3 Partial enlarged view of middle frame G;

[0036] Figure 16 For the present invention Figure 12 Partial enlarged view of circle D in the present invention;

[0037] Figure 17 For the present invention Figure 3 Partial enlarged view of circle A in the present invention;

[0038] Figure 18 Side view of the material-pushing clamping frame of the present invention;

[0039] Figure 19 For the present invention Figure 18 View in the direction of K;

[0040] Figure 20 Structural schematic diagram of the blanking blade of the present invention;

[0041] Figure 21 Structural schematic diagram between the ground and the second - floor platform in Embodiment 3 of the present invention;

[0042] Figure 22 For the present invention Figure 21 Structural schematic diagram of the middle frame H;

[0043] Figure 23 Cross - sectional view of the fixed fixture of the present invention;

[0044] Figure 24 For the present invention Figure 23 Partial enlarged view of the middle ring J;

[0045] Figure 25 For the present invention Figure 21 Partial enlarged view of the middle ring K;

[0046] Figure 26 For the present invention Figure 21 Cross - sectional view of the A2 - A2 section of the present invention;

[0047] Figure 27 For the present invention Figure 26 Cross - sectional view of the B2 - B2 section of the present invention;

[0048] Figure 28 For the present invention Figure 27 Partial enlarged view of the middle ring L;

[0049] Figure 29 For the present invention Figure 27 Cross - sectional view of the C2 - C2 section of the present invention;

[0050] In the figure, slag dropping pipe - 1, slag cleaning head - 2, slag poking rod - 3, bottom plate - 4, second-layer platform - 5, driven bevel gear - 6, mounting box - 7, No. 1 mounting seat - 8, No. 1 sleeve - 9, driving bevel gear - 10, No. 1 transmission shaft - 11, No. 1 bracket - 12, No. 1 driven sprocket - 13, No. 1 chain - 14, No. 1 driving sprocket - 15, No. 1 reducer - 16, No. 1 motor - 17, pressing plate - 18, sliding block - 19, slide groove - 20, guide shaft - 21, mounting block - 22, retaining ring - 23, return spring - 24, No. 2 motor - 25, No. 2 reducer - 26 , No. 2 transmission shaft - 27, mounting plate - 28, No. 2 bracket - 29, No. 2 driving sprocket - 30, No. 2 chain - 31, No. 2 driven sprocket - 32, No. 2 bushing - 33, slide rail - 34, lifting frame - 35, No. 2 mounting seat - 36, No. 3 driving sprocket - 37, No. 3 chain - 38, No. 3 driven sprocket - 39, tensioning sprocket - 40, No. 1 cylinder - 41, No. 2 cylinder - 42, air source - 43, No. 3 bushing - 44, connecting rod - 45, articulated seat - 46, No. 1 operating lever - 47, No. 1 fixed plate - 48, No. 1 shift fork rod - 49, fixed shift fork - 50, No. 1 toggle slot—51, No. 1 clamping sleeve—52, No. 1 clamping slot—53, No. 1 connecting sleeve—54, No. 1 bearing positioning sleeve—55, No. 1 fixing sleeve—56, No. 1 nut—57, No. 1 bearing retaining ring—58, No. 1 elastic fixture—59, No. 1 spring retaining ring—60, No. 1 spring—61, No. 2 operating lever—62, driven gear—63, limiting sleeve—64, driving gear—65, swing cylinder—66, fixing seat—67, No. 2 fixing plate—68, No. 2 shift fork rod—69, upper shift fork—70, lower shift fork—71, upper clamping sleeve—72, lower clamping sleeve—73, No. 2 clamping groove - 74, No. 2 toggle groove - 75, No. 2 connecting sleeve - 76, No. 2 bearing positioning sleeve - 77, No. 2 fixing sleeve - 78, No. 2 nut - 79, No. 2 bearing retaining ring - 80, upper elastic clamp - 81, lower elastic clamp - 82, No. 2 spring retaining ring - 83, No. 2 spring - 84, material dispensing clamping frame - 85, material dispensing blade - 86, air distribution pipe - 87, jet hole - 88, exhaust hole - 89, gas channel - 90, air outlet - 91, exhaust port - 92, key connection surface - 93, key connection block - 94, hollow cylinder - 95, roller - 96, ground - 97. DETAILED DESCRIPTION

[0051] In order to further illustrate the technical solution of the present invention, the present invention is further described below through embodiments.

[0052] Example 1

[0053] like Figures 2 to 11 , Figure 15 , Figures 17 to 20As shown in the figure, a slag poking device for a power plant boiler slag dropping pipe includes a slag cleaning head 2 installed inside the slag dropping pipe 1. A slag poking rod 3 is connected to the lower end of the slag cleaning head 2. A bottom plate 4 is fixedly connected to the lower end of the slag dropping pipe 1. A feeding clamping frame 85 is arranged on the bottom plate 4. A feeding blade 86 is movably arranged inside the feeding clamping frame 85. A key connection surface 93 is arranged on the circumferential surface of the slag poking rod 3. A key connection block 94 that cooperates with the key connection surface 93 is fixedly arranged on the feeding blade 86. The slag poking rod 3 passes downward through the bottom plate 4 and is connected to a first driving mechanism and a second driving mechanism, and is driven to rotate by the first driving mechanism and driven to move up and down by the second driving mechanism.

[0054] The first driving mechanism includes a driven bevel gear 6. A key connection surface 93 is arranged on the circumferential surface of the slag poking rod 3. A key connection block 94 that cooperates with the key connection surface 93 is fixedly arranged on the driven bevel gear 6. A roller 96 is arranged between the driven bevel gear 6 and the slag poking rod 3 to reduce the wear between the driven bevel gear 6 and the slag poking rod 3. The driven bevel gear 6 is rotatably installed in an installation box 7. The installation box 7 is installed on a first installation seat 8. The first installation seat 8 is fixed on the second-layer platform 5. A first sleeve 9 is arranged between the installation box 7 and the bottom plate 4. A vertical air distribution pipe 87 is arranged inside the first sleeve 9. The air distribution pipe 87 is connected to an air source 43 through a pipeline. Air injection holes 88 are evenly distributed on the air distribution pipe 87. Exhaust holes 89 are evenly distributed on the side wall of the first sleeve 9 opposite to the air distribution pipe 87. The slag poking rod 3 is arranged inside the first sleeve 9. The driven bevel gear 6 is meshed and connected with a driving bevel gear 10. The driving bevel gear 10 is installed on a first transmission shaft 11. The first transmission shaft 11 is axially limited and connected to a first support 12. A pressing piece 18 is fixedly arranged on the upper surface of the first installation seat 8. The pressing piece 18 and the first installation seat 8 together form a guiding cavity to guide the first support 12. A sliding block 19 is connected to the lower surface of the first support 12 by bolts. The sliding block 19 is slidably arranged in a chute 20 on the first installation seat 8. The sliding block 19 is also slidably connected to a guiding shaft 21. The guiding shaft 21 is fixedly connected to the first installation seat 8 through an installation block 22. A retaining ring 23 is clamped on the guiding shaft 21, and the retaining ring 23 is located on the side of the sliding block 19 away from the driving bevel gear 10. A return spring 24 is arranged between the retaining ring 23 and the sliding block 19. The return spring 24 is sleeved on the guiding shaft 21. A first driven sprocket 13 is installed at the other end of the first transmission shaft 11. The first driven sprocket 13 is connected to a first driving sprocket 15 through a first chain 14. The first driving sprocket 15 is installed on the output shaft of a first speed reducer 16. The input shaft of the first speed reducer 16 is connected to the output shaft of a first motor 17. The first speed reducer 16 and the first motor 17 are fixed on the first installation seat 8.

[0055] The second driving mechanism includes a second motor 25. The output shaft of the second motor 25 is connected to the input shaft of a second speed reducer 26. The output shaft of the second speed reducer 26 is connected to a second transmission shaft 27. The second transmission shaft 27 is rotatably installed on two mounting plates 28. The second motor 25, the second speed reducer 26, and the mounting plates 28 are all fixed on a second support 29. The second support 29 is fixed to the lower surface of the second-layer platform 5. The other end of the second transmission shaft 27 is equipped with a second driving sprocket 30. The second driving sprocket 30 is connected to a second driven sprocket 32 through a second chain 31. The second driven sprocket 32 is installed at the bottom of a second sleeve 33. The second sleeve 33 is installed below the ground to provide a moving space for the up and down movement of the slag poking rod 3. A slide rail 34 is installed on the inner side wall of the second sleeve 33. The slide rail 34 extends upward to the second support 29. A lifting frame 35 is arranged inside the second sleeve 33. The lifting frame 35 is slidably connected to the slide rail 34. The lifting frame 35 is fixedly connected to one side of the second chain 31 so as to drive the lifting frame 35 to move up and down through the second chain 31. The lifting frame 35 is rotatably connected to the slag poking rod 3 through a bearing and can drive the slag poking rod 3 to lift up and down. A third sleeve 44 is arranged between the second sleeve 33 and the second support 29. The second sleeve 33 is connected to the third sleeve 44. A gas passage 90 is arranged inside one of the slide rails 34. The upper part of the gas passage 90 is connected to a gas source 43 through a pipeline. An air outlet 91 is opened at the lower end of the gas passage 90. An exhaust port 92 is arranged at the upper part of the third sleeve 44.

[0056] Embodiment 2

[0057] As Figures 1 to 6 、 Figures 9 to 20 shown, a slag poking device for a power plant boiler slag dropping pipe includes a slag cleaning head 2 installed inside a slag dropping pipe 1. The lower end of the slag cleaning head 2 is connected to a slag poking rod 3. A bottom plate 4 is fixedly connected to the lower end of the slag dropping pipe 1. A material poking and clamping frame 85 is arranged on the bottom plate 4. A material poking blade 86 is movably arranged inside the material poking and clamping frame 85. A key connection surface 93 is arranged on the circumferential surface of the slag poking rod 3. A key connection block 94 that cooperates with the key connection surface 93 is fixedly arranged on the material poking blade 86. The slag poking rod 3 passes downward through the bottom plate 4 and is connected to a first driving mechanism and a second driving mechanism, and is driven to rotate by the first driving mechanism and driven to move up and down by the second driving mechanism.

[0058] The first driving mechanism includes a driven bevel gear 6. A key connection surface 93 is provided on the circumferential surface of the slag poking rod 3. A key connection block 94 that cooperates with the key connection surface 93 is fixedly provided on the driven bevel gear 6. A roller 96 is provided between the driven bevel gear 6 and the slag poking rod 3 to reduce the wear between the driven bevel gear 6 and the slag poking rod 3. The driven bevel gear 6 is rotatably installed in an installation box 7. The installation box 7 is installed on a first installation seat 8. The first installation seat 8 is fixed on the second-layer platform 5. A first sleeve 9 is provided between the installation box 7 and the bottom plate 4. A vertical air distribution pipe 87 is provided in the first sleeve 9. The air distribution pipe 87 is connected to an air source 43 through a pipeline. Spray holes 88 are evenly distributed on the air distribution pipe 87. Exhaust holes 89 are evenly distributed on the side wall of the first sleeve 9 opposite to the air distribution pipe 87. The slag poking rod 3 is arranged in the first sleeve 9. The driven bevel gear 6 is meshed and connected with a driving bevel gear 10. The driving bevel gear 10 is installed on a first transmission shaft 11. The first transmission shaft 11 is axially limited and connected to a first bracket 12. A pressing piece 18 is fixedly provided on the upper surface of the first installation seat 8. The pressing piece 18 and the first installation seat 8 together form a guiding cavity to guide the first bracket 12. A sliding block 19 is bolted to the lower surface of the first bracket 12. The sliding block 19 is slidably arranged in a chute 20 on the first installation seat 8. The sliding block 19 is also slidably connected to a guiding shaft 21. The guiding shaft 21 is fixedly connected to the first installation seat 8 through a mounting block 22. A retaining ring 23 is clamped on the guiding shaft 21, and the retaining ring 23 is located on the side of the sliding block 19 away from the driving bevel gear 10. A return spring 24 is provided between the retaining ring 23 and the sliding block 19. The return spring 24 is sleeved on the guiding shaft 21. A first driven sprocket 13 is installed at the other end of the first transmission shaft 11. The first driven sprocket 13 is connected to a first driving sprocket 15 through a first chain 14. The first driving sprocket 15 is installed on the output shaft of a first speed reducer 16. The input shaft of the first speed reducer 16 is connected to the output shaft of a first motor 17. The first speed reducer 16 and the first motor 17 are fixed on the first installation seat 8.

[0059] The second driving mechanism includes a second motor 25, the output shaft of the second motor 25 is connected to the input shaft of a second speed reducer 26, the second motor 25 and the second speed reducer 26 are fixed on a second mounting base 36, the second mounting base 36 is fixed on the ground. A third driving sprocket 37 is provided on the output shaft of the second speed reducer 26, the third driving sprocket 37 is connected to a third driven sprocket 39 through a third chain 38, and the third chain 38 is also engaged with a tensioning sprocket 40. The third driven sprocket 39 is installed on a second transmission shaft 27, the second transmission shaft 27 is rotatably installed on two mounting plates 28, the mounting plates 28 are fixed on a second support 29, the second support 29 is fixed on the lower surface of the second-layer platform 5. The other end of the second transmission shaft 27 is installed with a second driving sprocket 30, the second driving sprocket 30 is connected to a second driven sprocket 32 through a second chain 31, the second driven sprocket 32 is installed at the bottom of a second sleeve 33, the second sleeve 33 is installed below the ground, and is used to provide a moving space for the up and down movement of the slag poking rod 3. A slide rail 34 is installed on the inner side wall of the second sleeve 33, the slide rail 34 extends upward to the second support 29. A lifting frame 35 is arranged in the second sleeve 33, the lifting frame 35 is slidably connected with the slide rail 34, the lifting frame 35 is fixedly connected with one side of the second chain 31, so as to drive the lifting frame 35 to move up and down through the second chain 31. The lifting frame 35 is rotatably connected with the slag poking rod 3 through a bearing, and can drive the slag poking rod 3 to move up and down. A third sleeve 44 is arranged between the second sleeve 33 and the second support 29, the second sleeve 33 is connected with the third sleeve 44. A gas channel 90 is arranged inside one of the slide rails 34, the upper part of the gas channel 90 is connected to a gas source 43 through a pipeline, and an air outlet 91 is opened at the lower end of the gas channel 90. An exhaust port 92 is arranged at the upper part of the third sleeve 44.

[0060] Embodiment 3

[0061] As Figures 2 to 6 、 Figure 15 、 Figures 17 to 29 shown, a slag poking device for a power plant boiler slag dropping pipe includes a slag cleaning head 2 installed inside a slag dropping pipe 1, the lower end of the slag cleaning head 2 is connected with a slag poking rod 3, a bottom plate 4 is fixedly connected to the lower end of the slag dropping pipe 1, a material dialing and clamping frame 85 is arranged on the bottom plate 4, a material dialing blade 86 is movably arranged inside the material dialing and clamping frame 85, a key connection surface 93 is arranged on the circumferential surface of the slag poking rod 3, a key connection block 94 matched with the key connection surface 93 is fixedly arranged on the material dialing blade 86. The slag poking rod 3 passes downward through the bottom plate 4 and is connected with a first driving mechanism and a second driving mechanism, and is driven to rotate by the first driving mechanism and driven to move up and down by the second driving mechanism.

[0062] The first driving mechanism includes a driven bevel gear 6. A key connection surface 93 is provided on the circumferential surface of the slag poking rod 3. A key connection block 94 that cooperates with the key connection surface 93 is fixedly provided on the driven bevel gear 6. A roller 96 is provided between the driven bevel gear 6 and the slag poking rod 3 to reduce the wear between the driven bevel gear 6 and the slag poking rod 3. The driven bevel gear 6 is rotatably installed in the installation box 7. The installation box 7 is installed on the first installation seat 8. The first installation seat 8 is fixed on the second-layer platform 5. A first sleeve 9 is provided between the installation box 7 and the bottom plate 4. A vertical air distribution pipe 87 is provided in the first sleeve 9. The air distribution pipe 87 is connected to the air source 43 through a pipeline. Spray holes 88 are evenly distributed on the air distribution pipe 87. Exhaust holes 89 are evenly distributed on the side wall of the first sleeve 9 opposite to the air distribution pipe 87. The slag poking rod 3 is arranged in the first sleeve 9. The driven bevel gear 6 is meshed and connected with the driving bevel gear 10. The driving bevel gear 10 is installed on the first transmission shaft 11. The first transmission shaft 11 is axially limited and connected to the first bracket 12. A pressing piece 18 is fixedly provided on the upper surface of the first installation seat 8. The pressing piece 18 and the first installation seat 8 together form a guiding cavity to guide the first bracket 12. A sliding block 19 is bolted to the lower surface of the first bracket 12. The sliding block 19 is slidably arranged in a sliding groove 20 on the first installation seat 8. The sliding block 19 is also slidably connected to a guiding shaft 21. The guiding shaft 21 is fixedly connected to the first installation seat 8 through a mounting block 22. A retaining ring 23 is clamped on the guiding shaft 21, and the retaining ring 23 is located on the side of the sliding block 19 away from the driving bevel gear 10. A return spring 24 is provided between the retaining ring 23 and the sliding block 19. The return spring 24 is sleeved on the guiding shaft 21. A first driven sprocket 13 is installed at the other end of the first transmission shaft 11. The first driven sprocket 13 is connected to a first driving sprocket 15 through a first chain 14. The first driving sprocket 15 is installed on the output shaft of a first speed reducer 16. The input shaft of the first speed reducer 16 is connected to the output shaft of a first motor 17. The first speed reducer 16 and the first motor 17 are fixed on the first installation seat 8.

[0063] The No. 2 driving mechanism includes a fixed clamp, a movable clamp, a No. 1 cylinder 41, a No. 2 cylinder 42 and an air source 43, wherein the air source 43 is used to supply air to the No. 1 cylinder 41 and the No. 2 cylinder 42, wherein the No. 1 cylinder 41 is installed on the outer wall of the No. 3 casing 44, and the upper end of the No. 3 casing 44 is fixedly connected to the No. 2 bracket 29, wherein the fixed clamp is installed on the upper end of the No. 3 casing 44, and the slag poking rod 3 is loosened or clamped by the drive of the No. 1 cylinder 41, and the No. 2 cylinder 42 is installed inside the No. 3 casing 44, wherein the movable clamp is rotatably connected to the piston rod of the No. 2 cylinder 42, and can be raised and lowered along with the No. 2 cylinder 42, and the movable clamp is used to drive the slag poking rod 3 to rise and fall, thereby realizing the rotational feeding or rotational withdrawal of the slag poking rod 3.

[0064] The fixing fixture includes a connecting rod 45, one end of which is hinged to the piston rod of the No. 1 cylinder 41, and the No. 1 cylinder 41 is fixedly mounted on the No. 3 sleeve 44. The middle part of the connecting rod 45 is hinged to the hinge seat 46, and the hinge seat 46 is fixedly mounted on the No. 2 bracket 29 on the lower surface of the second-floor platform 5. The other end of the connecting rod 45 is hinged to the No. 1 operating rod 47, and the No. 1 operating rod 47 is slidably set on two No. 1 fixed plates 48, and the No. 1 fixed plate 48 located on the upper part is fixedly connected to the No. 2 bracket 29. A No. 1 connecting sleeve 54 is fixedly arranged between the two No. 1 fixed plates 48, and a No. 1 shift fork rod 49 is commonly arranged on the two No. 1 fixed plates 48. The lower end of the No. 1 shift fork rod 49 is hinged to the middle part of the fixed shift fork 50, and one end of the fixed shift fork 50 is clamped with the No. 1 shifting groove 51 at the lower part of the No. 1 operating rod 47, and the other end of the fixed shift fork 50 is A No. 1 clamping groove 53 on the No. 1 clamping sleeve 52 is clamped, and a No. 1 bearing positioning sleeve 55 is fixedly connected to the interior of the No. 1 connecting sleeve 54 through a locating pin, and a No. 1 fixing sleeve 56 is rotatably arranged inside the No. 1 bearing positioning sleeve 55, and a No. 1 bearing retaining ring 58 is clamped on the No. 1 fixing sleeve 56 through a No. 1 nut 57 connected by a thread, and a No. 1 elastic clamp 59 is fixedly connected to the interior of the No. 1 fixing sleeve 56, and a No. 1 clamping sleeve 52 matched with it is sleeved on the exterior of the No. 1 elastic clamp 59, and the inner side end of the No. 1 clamping sleeve 52 is slidably arranged inside the No. 1 connecting sleeve 54, and a No. 1 spring retaining ring 60 is arranged inside the No. 1 clamping sleeve 52, and a No. 1 spring 61 is arranged between the No. 1 spring retaining ring 60 and the No. 1 bearing retaining ring 58, and the No. 1 spring retaining ring 60 is used to transmit the force applied by the No. 1 spring 61 to the No. 1 clamping sleeve 52;

[0065] The movable clamp includes a No. 2 operating rod 62, the lower end of which is rotatably connected to the piston rod of the No. 2 cylinder 42 and can be lifted up and down with the No. 2 cylinder 42. The No. 2 cylinder 42 is fixedly installed in the No. 3 casing 44, the lower end of which is connected to the No. 2 casing 33, which is installed under the ground to provide a movable space for the up and down movement of the slag-poking rod 3. A slide rail 34 is installed on the inner side wall of the No. 2 casing 33, and the slide rail 34 extends upward to the No. 2 bracket 29. A hollow cylinder 95 is fixedly connected to the piston rod of the No. 2 cylinder 42, and the inner core of the hollow cylinder 95 is fixedly connected to the piston rod of the No. 2 cylinder 42. The lower part is slidably connected with a No. 2 fixed plate 68, the shell of the hollow cylinder 95 is fixedly connected to the No. 2 fixed plate 68 at the lower part, and is used to drive the No. 2 fixed plate 68 to move up and down, and the No. 2 fixed plate 68 is slidably connected to the upper and lower parts of the No. 2 operating rod 62, and the No. 2 fixed plate 68 is slidably connected to the slide rail 34, and a driven gear 63 is keyed on the No. 2 operating rod 62, and a limiting sleeve 64 is provided above and below the driven gear 63, and the limiting sleeve 64 is clamped between the driven gear 63 and the No. 2 fixed plate 68, and is used to realize the positioning of the driven gear 63 and the two No. 2 fixed plates 68, and the two limiting sleeves 64 are sleeved on the No. 2 operating rod 62, and the driven gear 63 is meshed and connected with the driving gear 65, The driving gear 65 is installed on the output shaft of the swing cylinder 66, and the swing cylinder 66 is fixedly connected to one of the No. 2 fixed plates 68 through a fixing seat 67. A No. 2 shift fork rod 69 is commonly provided on the two No. 2 fixed plates 68. The upper end and the lower end of the No. 2 shift fork rod 69 are respectively hinged to the middle of the upper shift fork 70 and the lower shift fork 71, and one end of the upper shift fork 70 and the lower shift fork 71 are respectively clamped with the No. 2 clamping groove 74 provided on the upper clamping sleeve 72 and the lower clamping sleeve 73, and the other ends of the upper shift fork 70 and the lower shift fork 71 are respectively clamped with the No. 2 toggle groove 75 on the upper and lower parts of the No. 2 operating lever 62, and the No. 2 toggle groove 75 is a cam groove, which is divided into a working side and a non-working side, and the working side and non-working side of the two No. 2 toggle grooves 75 are respectively connected to the No. 2 operating lever 62. The working sides are arranged oppositely, that is, when the movable clamp drives the slag-poking rod 3 to move upward, the working side of the No. 2 toggle groove 75 located at the upper part is clamped with the upper shift fork 70, so as to drive the upper shift fork 70 to move upward, and the non-working side of the No. 2 toggle groove 75 located at the lower part abuts against the lower shift fork 71, and does not provide an acting force. When the movable clamp drives the slag-poking rod 3 to move downward, the non-working side of the No. 2 toggle groove 75 located at the upper part abuts against the upper shift fork 70, and does not provide an acting force, and the working side of the No. 2 toggle groove 75 located at the lower part is clamped with the lower shift fork 71, so as to drive the lower shift fork 71 to move downward. A No. 2 connecting sleeve 76 is fixedly connected between the two No. 2 fixed plates 68, and a No. 2 bearing locating sleeve 77 is fixedly connected to the interior of the No. 2 connecting sleeve 76 by a locating pin.Inside the second bearing positioning sleeve 77, a second fixed sleeve 78 is rotatably arranged through a bearing. At the upper and lower parts of the second fixed sleeve 78, second bearing retaining rings 80 are clamped by second nuts 79 connected by threads. At the upper and lower parts inside the second fixed sleeve 78, an upper elastic fixture 81 and a lower elastic fixture 82 are respectively fixedly connected. An upper clamping sleeve 72 and a lower clamping sleeve 73 which are matched with the upper elastic fixture 81 and the lower elastic fixture 82 are respectively sleeved on the upper elastic fixture 81 and the lower elastic fixture 82. The inner ends of the upper clamping sleeve 72 and the lower clamping sleeve 73 are respectively slidably arranged at the upper and lower parts of the second connecting sleeve 76. Second spring retaining rings 83 are arranged inside both the upper clamping sleeve 72 and the lower clamping sleeve 73. A second spring 84 is arranged between the corresponding second spring retaining rings 83 and the second bearing retaining rings 80.,

[0066] In the above embodiment, the working principle of the fixed fixture is that the first cylinder 41 drives the connecting rod 45 to swing up and down, thereby driving the first operating rod 47 to move up and down. When the first operating rod 47 moves up and down, it drives the fixed fork 50 to swing. When the end of the fixed fork 50 in contact with the first clamping sleeve 52 moves upward, it drives the first clamping sleeve 52 to slide along the first connecting sleeve 54, so that the first clamping sleeve 52 locks the first elastic fixture 59, realizing the clamping of the slag poking rod 3. When the first clamping sleeve 52 moves downward, it releases the first elastic fixture 59, realizing the release of the slag poking rod 3;

[0067] The working principle of the movable clamp is as follows: first, the hollow cylinder 95 is used to drive the No. 2 fixed plate 68 and the No. 2 connecting sleeve 76 to move up and down, and then the upper elastic clamp 81 and the lower elastic clamp 82 are driven to move up and down. When the upper elastic clamp 81 contacts the upper clamping sleeve 72, the upper elastic clamp 81 is locked and holds the slag poking rod 3 tightly. When the lower elastic clamp 82 contacts the lower clamping sleeve 73, the lower elastic clamp 82 is locked, and also holds the slag poking rod 3 tightly. When the slag poking rod 3 is fed upward, the upper elastic clamp 81 is in a locked state. When the movable clamp drives the slag poking rod 3 to move upward, the working side of the No. 2 toggle groove 75 at the upper part is clamped with the upper fork 70 to drive the upper fork 70 to move upward, and the non-working side of the No. 2 toggle groove 75 at the lower part abuts against the lower fork 71, and no working When the locking cam 72 is in the state of being moved upward, the locking cam 728 will be in the state of being moved downward, and the locking cam 728 will be in the state of being moved downward, so that the locking cam 728 and the locking cam 72 will be in the state of being moved downward, and the locking cam 728 will be in the state of being moved downward, and the locking cam 728 will be in the state of being moved downward, and the

[0068] The above shows and describes the main features and advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0069] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A slag poking device for the slag dropping pipe of a power plant boiler, characterized in that: It includes a slag cleaning head (2) installed inside the slag dropping pipe (1). A slag poking rod (3) is connected to the lower end of the slag cleaning head (2). A bottom plate (4) is fixedly connected to the lower end of the slag dropping pipe (1). The slag poking rod (3) passes downward through the bottom plate (4) and is connected to a first driving mechanism and a second driving mechanism, and is driven to rotate by the first driving mechanism and driven to move up and down by the second driving mechanism; The first driving mechanism includes a driven bevel gear (6). The driven bevel gear (6) is key-connected to the slag poking rod (3). A roller (96) is arranged between the driven bevel gear (6) and the slag poking rod (3) to reduce the wear between the driven bevel gear (6) and the slag poking rod (3). The driven bevel gear (6) is rotatably installed in an installation box (7). The installation box (7) is installed on a first installation seat (8). The first installation seat (8) is fixed on the second-layer platform (5). A first sleeve (9) is arranged between the installation box (7) and the bottom plate (4). The slag poking rod (3) is arranged inside the first sleeve (9). The driven bevel gear (6) is meshed and connected with a driving bevel gear (10). The driving bevel gear (10) is installed on a first transmission shaft (11). The first transmission shaft (11) is rotatably installed on a first support (12). The first support (12) is installed on the first installation seat (8). A first driven sprocket (13) is installed at the other end of the first transmission shaft (11). The first driven sprocket (13) is connected to a first driving sprocket (15) through a first chain (14). The first driving sprocket (15) is installed on the output shaft of a first speed reducer (16). The input shaft of the first speed reducer (16) is connected to the output shaft of a first motor (17). The first speed reducer (16) and the first motor (17) are fixed on the first installation seat (8); The second driving mechanism includes a fixed clamp, a movable clamp, a first cylinder (41), a second cylinder (42) and an air source (43). The air source (43) is used to supply air to the first cylinder (41) and the second cylinder (42). The first cylinder (41) is installed on the outer side wall of a third sleeve (44). The upper end of the third sleeve (44) is fixedly connected to a second support (29). The fixed clamp is installed at the upper end of the third sleeve (44) and is driven by the first cylinder (41) to loosen or clamp the slag poking rod (3). The second cylinder (42) is installed inside the third sleeve (44). The movable clamp is rotatably connected to the piston rod of the second cylinder (42) and can move up and down along with the second cylinder (42). The movable clamp is used to drive the slag poking rod (3) to move up and down, so as to realize the rotary feeding or rotary retraction of the slag poking rod (3); The fixing fixture comprises a connecting rod (45), one end of which is hinged to a piston rod of a No. 1 cylinder (41), the No. 1 cylinder (41) being fixedly mounted on a No. 3 sleeve (44), the middle portion of the connecting rod (45) being hinged to a hinge seat (46), the hinge seat (46) being fixedly mounted on a No. 2 bracket (29) on the lower surface of the second-layer platform (5), the other end of the connecting rod (45) being hinged to a No. 1 operating rod (47), the No. 1 operating rod (47) being slidably mounted on two No. 1 fixed plates ( The first and second brackets (29) are fixedly connected to each other on the first and second brackets (48), and a first fixing plate (48) located at the upper part is fixedly connected to a first connecting sleeve (54) fixedly arranged between the two first fixing plates (48). A first shift fork rod (49) is commonly arranged on the two first fixing plates (48), the lower end of the first shift fork rod (49) is hinged to the middle part of a fixed shift fork (50), one end of the fixed shift fork (50) is clamped to a first shifting groove (51) at the lower part of the first operating lever (47), and the other end of the fixed shift fork (50) is clamped to a first shifting groove (51) at the lower part of the first operating lever (47). One end is clamped with a No. 1 clamping groove (53) on a No. 1 clamping sleeve (52); a No. 1 bearing positioning sleeve (55) is fixedly connected inside the No. 1 connecting sleeve (54) via a positioning pin; a No. 1 fixing sleeve (56) is rotatably arranged inside the No. 1 bearing positioning sleeve (55); a No. 1 bearing retaining ring (58) is clamped on the No. 1 fixing sleeve (56) via a No. 1 nut (57) connected by a thread; a No. 1 elastic clamp (59) is fixedly connected inside the No. 1 fixing sleeve (56); The outer sleeve of the No. 1 elastic clamp (59) is provided with a No. 1 clamping sleeve (52) matched therewith, the inner side end of the No. 1 clamping sleeve (52) is slidably arranged inside the No. 1 connecting sleeve (54), a No. 1 spring retaining ring (60) is arranged inside the No. 1 clamping sleeve (52), and a No. 1 spring (61) is arranged between the No. 1 spring retaining ring (60) and the No. 1 bearing retaining ring (58), and the No. 1 spring retaining ring (60) is used to transmit the force applied by the No. 1 spring (61) to the No. 1 clamping sleeve (52); The movable fixture comprises a No. 2 operating rod (62), the lower end of the No. 2 operating rod (62) is rotatably connected to the piston rod of the No. 2 cylinder (42), and can be lifted up and down along with the No. 2 cylinder (42), the No. 2 cylinder (42) is fixedly installed in a No. 3 sleeve (44), a hollow cylinder (95) is fixedly connected to the piston rod of the No. 2 cylinder (42), and the inner core of the hollow cylinder (95) is fixedly connected to the piston rod of the No. 2 cylinder (42), a No. 2 fixed plate (68) is slidably connected to the upper and lower parts of the No. 2 operating rod (62), the outer shell of the hollow cylinder (95) is fixedly connected to the No. 2 fixed plate (68) at the lower part, and is used to drive the No. 2 fixed plate (68) to move up and down, and the No. 2 operating rod is fixedly connected to the No. 2 fixed plate (68) at the upper and lower parts of the No. 2 operating rod (62). The upper and lower parts of the second operating lever (62) are both slidably connected to a second fixed plate (68), the second fixed plate (68) is slidably connected to the slide rail (34), a driven gear (63) is keyed on the second operating lever (62), and a limiting sleeve (64) is provided above and below the driven gear (63), the limiting sleeve (64) is clamped between the driven gear (63) and the second fixed plate (68), and is used to realize the positioning of the driven gear (63) and the two second fixed plates (68), the two limiting sleeves (64) are sleeved on the second operating lever (62), the driven gear (63) is meshedly connected to the driving gear (65), the driving gear (65) is installed on the output shaft of the swing cylinder (66), and the swing cylinder (66) is provided with a plurality of movable parts. 6) is fixedly connected to one of the second fixed plates (68) through a fixing seat (67), and a second shift fork rod (69) is commonly provided on the two second fixed plates (68), and the upper end and the lower end of the second shift fork rod (69) are respectively hinged to the middle of the upper shift fork (70) and the lower shift fork (71), and one end of the upper shift fork (70) and the lower shift fork (71) are respectively clamped to the second clamping groove (74) provided on the upper clamping sleeve (72) and the lower clamping sleeve (73), and the other end of the upper shift fork (70) and the lower shift fork (71) are respectively clamped to the second toggle groove (75) on the upper part and the lower part of the second operating rod (62), and the second toggle groove (75) is a cam groove, which is divided into a working side and a non-working side, and the two second toggle grooves (75) The working side and the non-working side are arranged oppositely, that is, when the movable clamp drives the slag-poking rod (3) to move upward, the working side of the No. 2 toggle groove (75) located at the upper part is clamped with the upper fork (70) to drive the upper fork (70) to move upward, and the non-working side of the No. 2 toggle groove (75) located at the lower part is abutted with the lower fork (71) without providing an acting force. When the movable clamp drives the slag-poking rod (3) to move downward, the non-working side of the No. 2 toggle groove (75) located at the upper part is abutted with the upper fork (70) without providing an acting force, and the working side of the No. 2 toggle groove (75) located at the lower part is clamped with the lower fork (71) to drive the lower fork (71) to move downward. A No. 2 connecting sleeve (76) is fixedly connected between the two No. 2 fixed plates (68).Inside the second connecting sleeve (76), a second bearing positioning sleeve (77) is fixedly connected by a positioning pin. Inside the second bearing positioning sleeve (77), a second fixed sleeve (78) is rotatably arranged through a bearing. At the upper and lower parts of the second fixed sleeve (78), second bearing retaining rings (80) are clamped by second nuts (79) connected by threads. At the upper and lower parts inside the second fixed sleeve (78), an upper elastic fixture (81) and a lower elastic fixture (82) are respectively fixedly connected. An upper clamping sleeve (72) and a lower clamping sleeve (73) which are matched with them are respectively sleeved on the upper elastic fixture (81) and the lower elastic fixture (82). The inner ends of the upper clamping sleeve (72) and the lower clamping sleeve (73) are respectively slidably arranged at the upper and lower parts of the second connecting sleeve (76). Second spring retaining rings (83) are arranged inside the upper clamping sleeve (72) and the lower clamping sleeve (73). A second spring (84) is arranged between the corresponding second spring retaining rings (83) and the second bearing retaining rings (80).

2. The slag poking device for the slag dropping pipe of a power plant boiler according to claim 1, wherein: The first drive shaft (11) is axially limited and connected to the first support (12). A pressing piece (18) is fixedly arranged on the upper surface of the first mounting seat (8). The pressing piece (18) and the first mounting seat (8) together form a guiding cavity to guide the first support (12). A sliding block (19) is connected to the lower surface of the first support (12) by bolts. The sliding block (19) is slidably arranged in a sliding groove (20) on the first mounting seat (8). The sliding block (19) is also slidably connected to a guiding shaft (21). The guiding shaft (21) is fixedly connected to the first mounting seat (8) through a mounting block (22). A retaining ring (23) is clamped on the guiding shaft (21), and the retaining ring (23) is located on the side of the sliding block (19) away from the driving bevel gear (10). A return spring (24) is arranged between the retaining ring (23) and the sliding block (19), and the return spring (24) is sleeved on the guiding shaft (21).

3. The slag poking device for the slag dropping pipe of a power plant boiler according to claim 1, characterized in that: The second driving mechanism includes a second motor (25). The output shaft of the second motor (25) is connected to the input shaft of a second speed reducer (26). The output shaft of the second speed reducer (26) is connected to a second drive shaft (27). The second drive shaft (27) is rotatably mounted on two mounting plates (28). The second motor (25), the second speed reducer (26) and the mounting plates (28) are all fixed on a second support (29). The second support (29) is fixed on the lower surface of the second-layer platform (5). The other end of the second drive shaft (27) is provided with a second driving sprocket (30). The second driving sprocket (30) is connected to a second driven sprocket (32) through a second chain (31). The second driven sprocket (32) is mounted at the bottom of a second sleeve (33). The second sleeve (33) is installed below the ground (97) to provide a moving space for the up and down movement of the slag poking rod (3). A slide rail (34) is mounted on the inner side wall of the second sleeve (33), and the slide rail (34) extends upward to the second support (29). A lifting frame (35) is arranged in the second sleeve (33). The lifting frame (35) is slidably connected to the slide rail (34). The lifting frame (35) is fixedly connected to one side of the second chain (31) to drive the lifting frame (35) to move up and down through the second chain (31). The lifting frame (35) is rotatably connected to the slag poking rod (3) through a bearing and can drive the slag poking rod (3) to move up and down.

4. A slag poking device for a slag dropping pipe of a power plant boiler according to claim 3, characterized in that: The second motor (25) and the second speed reducer (26) are fixed on a second mounting seat (36). The second mounting seat (36) is fixed on the ground (97). A third driving sprocket (37) is arranged on the output shaft of the second speed reducer (26). The third driving sprocket (37) is connected to a third driven sprocket (39) through a third chain (38). The third driven sprocket (39) is mounted on the second drive shaft (27). The third chain (38) is also meshed with a tensioning sprocket (40).

5. The slag poking device for the slag dropping pipe of a power plant boiler according to claim 2, characterized in that: A material pushing and clamping frame (85) is arranged on the bottom plate (4), a material pushing blade (86) is movably arranged in the material pushing and clamping frame (85), and the material pushing blade (86) is key-connected to the slag poking rod (3).

6. The slag poking device for the slag dropping pipe of a power plant boiler according to claim 2, characterized in that: A vertical air distribution pipe (87) is arranged in the first sleeve (9), the air distribution pipe (87) is connected to an air source (43) through a pipeline, air injection holes (88) are evenly distributed on the air distribution pipe (87), and exhaust holes (89) are evenly distributed on the side wall of the first sleeve (9) opposite to the air distribution pipe (87).

7. The slag poking device for the slag dropping pipe of a power plant boiler according to claim 3, characterized in that: A third sleeve (44) is arranged between the second sleeve (33) and the second bracket (29), the second sleeve (33) is connected to the third sleeve (44), a gas channel (90) is arranged inside one of the slide rails (34), the upper part of the gas channel (90) is connected to the air source (43) through a pipeline, an air outlet hole (91) is formed at the lower end of the gas channel (90), and an exhaust port (92) is arranged at the upper part of the third sleeve (44).

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