CN113047363A - Dredging dredging device for water conservancy construction - Google Patents
Dredging dredging device for water conservancy construction Download PDFInfo
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- CN113047363A CN113047363A CN202110299012.9A CN202110299012A CN113047363A CN 113047363 A CN113047363 A CN 113047363A CN 202110299012 A CN202110299012 A CN 202110299012A CN 113047363 A CN113047363 A CN 113047363A
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- Prior art keywords
- wheel
- chain
- main shaft
- chain wheel
- grinding wheel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/02—Conveying equipment mounted on a dredger
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/32—Adjusting, applying pressure to, or controlling the distance between, milling members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the field of water conservancy construction, in particular to a dredging and dredging device for water conservancy construction, which comprises a material crushing device, wherein the material crushing device comprises a fixed grinding wheel, a movable grinding wheel and a driving system, and the driving system comprises a driving device, a first transmission system, a second transmission system and a magnetic control assembly; the first transmission system is driven by the driving device and comprises a first output and a second output, the first output drives the fixed grinding wheel and the movable grinding wheel to rotate forwards through the second transmission system so as to crush materials, and the second output drives the fixed grinding wheel and the movable grinding wheel to rotate reversely through the second transmission system; the magnetic control assembly has a first action state enabling the second output to be fixed and allowing the first output to run and a second action state enabling the first output to be fixed and allowing the second output to run, is configured to be in the first action state when the fixed grinding wheel and the movable grinding wheel grind, is switched to the second action state when the grinding wheel is stuck, and is automatically switched to the first action state after preset time.
Description
Technical Field
The invention relates to the field of water conservancy construction, in particular to a dredging device for water conservancy construction.
Background
Among the prior art, dredging sediment device is through taking river bed silt and aquatic plant out and carrying out the breakage so that the transportation, and the material after the breakage can further be used for burning brick or making chemical fertilizer, but because the material is not of uniform size, and hard thing such as easy entrainment stone, the easy appearance causes breaker card dead when carrying out the breakage, influences work efficiency and reduces motor life. Therefore, there is a need for a dredging device that can be automatically released when the crushing device is stuck, improving the working efficiency and reducing the failure rate.
Disclosure of Invention
The invention provides a dredging device for water conservancy construction, which aims to solve the problem that a crushing device of the conventional dredging device is blocked.
The dredging device for water conservancy construction adopts the following technical scheme that:
a dredging and dredging device for water conservancy construction comprises a material conveying belt and a material crushing device, wherein the material crushing device comprises a fixed grinding wheel and a movable grinding wheel which are arranged in parallel, and the material conveying belt conveys materials to the upper parts of the fixed grinding wheel and the movable grinding wheel so that the materials are crushed by the rotating fixed grinding wheel and the rotating movable grinding wheel; the material crushing device also comprises a driving system and a shell, wherein the driving system comprises a driving device, a first transmission system, a second transmission system and a magnetic control assembly; the first transmission system is driven by the driving device and comprises a first output and a second output, the first output drives the fixed grinding wheel to rotate in the forward direction and the movable grinding wheel to rotate in the forward direction through the second transmission system so as to crush materials, and the second output drives the fixed grinding wheel to rotate in the reverse direction and the movable grinding wheel to rotate in the reverse direction through the second transmission system; the magnetic control assembly has a first action state enabling the second output to be fixed and allowing the first output to run and a second action state enabling the first output to be fixed and allowing the second output to run, is configured to be in the first action state when the fixed grinding wheel and the movable grinding wheel grind, is switched to the second action state when the fixed grinding wheel and the movable grinding wheel grind and are stuck, and is automatically switched to the first action state after preset time.
Optionally, the second transmission system comprises a first subsystem, a second subsystem, and a third subsystem; the third subsystem is arranged between the fixed rolling wheel and the movable rolling wheel, the first subsystem is arranged between the first output and the movable rolling wheel, the first output drives the movable rolling wheel to rotate in the forward direction through the first subsystem, and the movable rolling wheel drives the fixed rolling wheel to rotate in the forward direction through the third subsystem; the second subsystem sets up between second output and fixed running roller, and the second output drives fixed running roller antiport through the second subsystem, and fixed running roller drives movable running roller antiport through the third subsystem.
Optionally, the first subsystem has a chain transmission assembly, a spring and a first tensioning sprocket, the first tensioning sprocket can be slidably mounted on the loose side of the chain along a direction perpendicular to the loose side of the chain transmission assembly, and the loose side of the chain is tightly pressed under the action of the spring, so that when the fixed grinding wheel and the movable grinding wheel are crushed and stuck, the loose side of the chain is loose, the first tensioning sprocket moves under the action of the spring, the magnetic control assembly is triggered to switch to the second action state, the second output enables the fixed grinding wheel and the movable grinding wheel to reversely rotate through the second subsystem and the third subsystem, and the loose side of the chain transmission is tightly pressed, so that the first tensioning sprocket returns to the initial position.
Optionally, the first transmission system includes a first main shaft, a belt pulley, a planet carrier, a first planetary gear set, a first sun gear sprocket, and a ring gear sprocket, the first main shaft is fixedly mounted to the housing, and the belt pulley is rotatably mounted to the first main shaft and is driven by the driving device to rotate; the planet carrier is rotatably arranged on the first main shaft and is driven by the belt wheel to rotate; the first sun gear chain wheel is used as a second output and is arranged on the first spindle and is externally meshed with the first planetary gear set, and the gear ring chain wheel is used as a first output and is internally meshed with the first planetary gear set.
Optionally, the first subsystem further comprises a second main shaft, a first chain wheel, a first stop wheel, a second stop wheel, a first brake column, and a second brake column, and the chain transmission assembly comprises a movable grinding wheel mounting shaft, a third chain wheel, and a second chain wheel; the second main shaft is rotatably arranged on the shell, is positioned above the first main shaft and is parallel to the first main shaft; the first chain wheel is fixedly arranged on the second main shaft and is in chain transmission with the gear ring chain wheel so as to drive the second main shaft to rotate under the transmission of the gear ring chain wheel; the second chain wheel is rotatably arranged on the second main shaft; the first stop wheel and the second stop wheel are fixedly arranged on the second spindle, the first brake column is telescopically arranged on the shell, and compresses the first stop wheel when the magnetic control assembly is started so as to block the second spindle from rotating, and separates from the first stop wheel when the magnetic control assembly is closed so as to allow the second spindle to freely rotate; the second brake column is telescopically arranged on the second chain wheel and compresses the second stop wheel when the magnetic control assembly is closed, so that the second chain wheel synchronously rotates along with the second main shaft, and is separated from the second stop wheel when the magnetic control assembly is started, and the second chain wheel is allowed to freely rotate around the second main shaft; the movable grinding wheel mounting shaft is rotatably arranged on the shell, is positioned above the second main shaft and is parallel to the second main shaft; the movable grinding wheel is arranged on a movable grinding wheel mounting shaft; the third chain wheel is fixedly arranged at one end of the mounting shaft of the movable grinding wheel and is in chain transmission with the second chain wheel so as to drive the movable grinding wheel to rotate under the transmission of the second chain wheel; the first tensioning chain wheel is arranged on the loose side of the chain between the second chain wheel and the third chain wheel.
Optionally, the third subsystem comprises a fourth chain wheel, a second tensioning chain wheel, a fixed roller mounting shaft, a fifth chain wheel, a first gear, a second gear and a sixth chain wheel, and the fourth chain wheel is fixedly mounted at the other end of the movable roller mounting shaft; the fixed roller mounting shaft is rotatably mounted on the shell and is parallel to the movable roller mounting shaft, and the fixed roller is mounted on the fixed roller mounting shaft; the fifth chain wheel is rotatably arranged on the shell and is in chain transmission with the fourth chain wheel through a second tensioning chain wheel, the first gear and the fifth chain wheel are arranged on the same rotating shaft so as to synchronously rotate along with the fifth chain wheel, the second gear is externally meshed with the first gear, and the second gear is fixedly arranged at one end of the fixed grinding wheel mounting shaft so as to drive the fixed grinding wheel mounting shaft to rotate under the transmission of the first gear; the sixth chain wheel is fixedly arranged at the other end of the fixed roller mounting shaft.
Optionally, the second subsystem comprises a third main shaft, a seventh chain wheel, a third stopping wheel, a third braking column, a braking frame, a fourth stopping wheel, a fourth braking column and an eighth chain wheel, wherein the third main shaft is rotatably mounted on the housing and is arranged in parallel with the second main shaft; the seventh chain wheel is rotatably arranged on the third main shaft and is in chain transmission with the sixth chain wheel; the brake frame is sleeved on the third main shaft and is fixed on the shell; the third stopping wheel and the fourth stopping wheel are fixedly arranged on the third main shaft, the third braking column is telescopically arranged on the seventh chain wheel, and the third stopping wheel is tightly pressed when the magnetic control assembly is started so as to enable the seventh chain wheel and the third main shaft to synchronously rotate, and is separated from the third stopping wheel when the magnetic control assembly is closed so as to enable the seventh chain wheel to freely rotate around the third main shaft; the fourth brake column is telescopically arranged on the brake frame, compresses the fourth stop wheel when the magnetic control assembly is closed to block the rotation of the third main shaft, and is separated from the fourth stop wheel when the magnetic control assembly is started to enable the third main shaft to rotate freely; and the eighth chain wheel is fixedly arranged on the third main shaft and is in chain transmission with the first sun wheel chain wheel.
Optionally, the first transmission system further includes a second sun gear sprocket, a second planetary gear set, and the second planetary gear set is internally meshed with the planet carrier; the belt wheel is rotatably arranged on the second planetary wheel set so as to drive the second planetary wheel set to revolve around the first main shaft; the second sun gear sprocket is pre-fixed on the first main shaft and is externally meshed with the second planetary wheel set, so that the belt wheel drives the planet carrier to rotate, and when the fixed grinding wheel and the movable grinding wheel rotate reversely and are clamped, the belt wheel drives the second sun gear sprocket to overcome the pre-tightening force through the first planetary wheel set and rotate; the driving system further comprises a third transmission system, the third transmission system comprises a ninth chain wheel, a fourth main shaft, a third gear and a sliding rail rack, and the fourth main shaft is rotatably arranged on the shell and is parallel to the first main shaft; the ninth chain wheels are fixedly arranged at one end of the fourth main shaft and are connected with the second sun wheel chain wheel so as to drive the fourth main shaft to rotate under the transmission of the second sun wheel chain wheel, and two third gears are respectively and fixedly arranged at two ends of the fourth main shaft; but the activity running roller installation axle is installed in the casing with the back-and-forth movement, and the slide rail rack has two, installs respectively in activity running roller installation axle both ends, and with the third gear engagement that corresponds to drive the direction removal that the fixed running roller installation axle was kept away from to activity running roller installation axle to the meshing transmission of third gear down, and then increase the interval between fixed running roller and the activity running roller, die in order to relieve the relative reversal card of fixed running roller and activity running roller. And a tension spring is arranged between the second tensioning chain wheel and the shell, the second tensioning chain wheel can be installed on the shell in a vertically sliding mode, the chain between the fourth chain wheel and the fifth chain wheel is tensioned under the action of the tension spring, and the movable grinding wheel installation shaft is urged to return to the initial position after the relative reverse rotation clamping of the fixed grinding wheel and the movable grinding wheel is relieved.
Optionally, the magnetic control assembly comprises a first clutch push rod, a second clutch push rod, a push rod support frame and an iron plate; the push rod support frame and the iron plate are both fixedly arranged on the shell, and the iron plate is positioned in the middle of the push rod support frame; the first clutch push rod and the second clutch push rod penetrate through the iron plate and are slidably mounted on the push rod support frame, two ends of the first clutch push rod correspond to the first brake column and the fourth brake column respectively, and two ends of the second clutch push rod correspond to the second brake column and the third brake column respectively. A fourth electromagnet and a first electromagnet are arranged on the first clutch push rod, the first electromagnet is positioned on one side of the iron plate, which is close to the first brake column, and the fourth electromagnet is positioned on one side of the iron plate, which is close to the fourth brake column; a second electromagnet and a third electromagnet are arranged on the second clutch push rod, the second electromagnet is positioned on one side of the iron plate close to the second brake column, and the third electromagnet is positioned on one side of the iron plate close to the third brake column; the second electromagnet and the fourth electromagnet are powered off when the magnetic control assembly is in the first action state and powered on when the magnetic control assembly is in the second action state; the third electromagnet and the first electromagnet are powered on when the magnetic control assembly is in the first action state, and are powered off when the magnetic control assembly is in the second action state.
Optionally, a plurality of first brake columns, a plurality of second brake columns, a plurality of third brake columns and a plurality of fourth brake columns are arranged and distributed uniformly along the circumferential direction of the corresponding first stop wheel, second stop wheel, third stop wheel and fourth stop wheel; the two ends of the first clutch push rod and the second clutch push rod are respectively provided with an arc push rod, and the arc push rods are coaxial with the corresponding first stop wheel, the second stop wheel, the third stop wheel and the fourth stop wheel, so that the first clutch push rod and the second clutch push rod uniformly compress a plurality of corresponding first brake columns, second brake columns, third brake columns and fourth brake columns through the arc push rods.
The invention has the beneficial effects that: the first transmission system of the dredging and dredging device for water conservancy construction comprises an input and three outputs, wherein the first output drives the fixed grinding wheel and the movable grinding wheel to rotate in the forward direction through the transmission of the second transmission system, the second output drives the fixed grinding wheel and the movable grinding wheel to rotate in the reverse direction through the second transmission system, the magnetic control assembly is switched to a second action state through the triggering of the first tensioning chain wheel when the fixed grinding wheel and the movable grinding wheel are jammed in the forward direction rotation, the first output is fixed, the second output is allowed to drive the fixed grinding wheel and the movable grinding wheel to rotate in the reverse direction through the second transmission system, and the driving device is prevented from being jammed and burnt out; the magnetic control assembly is automatically switched back to the first working state after the preset time, the second output is fixed, the first output is allowed to drive the fixed grinding wheel and the movable grinding wheel to recover to rotate in the forward direction through the second transmission system, and the material crushing device recovers to normally crush; when the fixed grinding wheel and the movable grinding wheel are clamped in the reverse rotation mode, the third output drives the movable grinding wheel to be far away from the fixed grinding wheel through the third transmission system, so that the distance between the fixed grinding wheel and the movable grinding wheel is increased, and the clamping is removed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of an embodiment of a dredging device for water conservancy construction according to the present invention;
FIG. 2 is a front view of a material crushing device in an embodiment of the dredging device for water conservancy construction of the present invention;
FIG. 3 is a sectional view taken along line B-B of FIG. 2;
FIG. 4 is a rear view of a material crushing device in an embodiment of the dredging apparatus for water conservancy construction of the present invention;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 2;
FIG. 6 is a schematic view of a magnetic control assembly of an embodiment of the dredging apparatus for water conservancy construction according to the present invention;
FIG. 7 is an enlarged view of FIG. 3 at D;
FIG. 8 is an enlarged view of the point A in FIG. 3;
FIG. 9 is a sectional view taken along line F-F of FIG. 8;
FIG. 10 is an enlarged view of E in FIG. 5;
FIG. 11 is a schematic view of a first clutch push rod in an embodiment of the dredging device for water conservancy construction of the present invention;
FIG. 12 is a schematic diagram of the driving system and the transmission of the fixed and movable rollers of the dredging apparatus for water conservancy construction according to the embodiment of the present invention;
FIG. 13 is a schematic structural view of a planet carrier of an embodiment of the dredging apparatus for water conservancy construction according to the present invention;
FIG. 14 is a wheel system diagram of a first transmission system of an embodiment of the dredging apparatus for water conservancy construction according to the present invention;
FIG. 15 is a schematic view of the third gear and the slide rack of the dredging apparatus for water conservancy construction according to the embodiment of the present invention;
in the figure: 01. material preparation; 02. a material conveyor belt; 03. a material crushing device; 1. a second gear; 2. a second tension sprocket; 3. a tension spring; 4. a first tension sprocket; 5. a sixth sprocket; 6. fixing a grinding wheel; 7. a first gear; 8. a third sprocket; 9. a movable grinding wheel; 10. a slide rail rack; 11. a ninth sprocket; 12. a third gear; 13. a housing; 14. an eighth sprocket; 15. a movable grinding wheel mounting shaft; 16. a fourth brake post; 17. a fifth sprocket; 18. a fourth sprocket; 19. a first clutch push rod; 20. a second clutch push rod; 21. a push rod support frame; 22. a first electromagnet; 23. a third electromagnet; 24. a first sun gear sprocket; 25. fixing a mounting shaft of a grinding wheel; 26. a ring gear sprocket; 27. a planet carrier; 28. a pulley; 29. a second sun gear sprocket; 30. a first main shaft; 31. a third main shaft; 32. a first sprocket; 33. a fourth detent wheel; 34. a brake frame; 35. a seventh sprocket; 36. a third detent wheel; 37. braking the compression sleeve; 38. a third brake post; 39. a second sprocket; 40. a second brake post; 44. a second main shaft; 45. a first brake post; 46. an iron plate; 47. a first detent wheel; 48. a second detent wheel; 49. a second electromagnet; 50. a first electromagnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the dredging and dredging device for water conservancy construction of the invention, as shown in fig. 1 to 15, comprises a material conveying belt 02 and a material crushing device 03,
the material crushing device 03 comprises a fixed grinding wheel 6 and a movable grinding wheel 9 which are arranged in parallel, and the material conveyor belt 02 conveys the material 01 to the upper parts of the fixed grinding wheel 6 and the movable grinding wheel 9 so as to crush the material 01 by the rotating fixed grinding wheel 6 and the rotating movable grinding wheel 9;
the material crushing device 03 further comprises a driving system and a shell 13, wherein the driving system comprises a driving device, a first transmission system, a second transmission system and a magnetic control assembly;
the first transmission system is driven by the driving device and comprises a first output and a second output, the first output drives the fixed grinding wheel 6 to rotate in the forward direction and the movable grinding wheel 9 to rotate in the forward direction through the second transmission system so as to crush the materials 01, and the second output drives the fixed grinding wheel 6 to rotate in the reverse direction and the movable grinding wheel 9 to rotate in the reverse direction through the second transmission system;
the magnetic control assembly has a first action state for fixing the second output and allowing the first output to run and a second action state for fixing the first output and allowing the second output to run, is configured to be in the first action state when the fixed grinding wheel 6 and the movable grinding wheel 9 grind, is switched to the second action state when the fixed grinding wheel 6 and the movable grinding wheel 9 grind and are stuck, and is automatically switched to the first action state after a preset time.
In the present embodiment, the second transmission system includes a first subsystem, a second subsystem, and a third subsystem; the third subsystem is arranged between the fixed rolling wheel 6 and the movable rolling wheel 9, the first subsystem is arranged between the first output and the movable rolling wheel 9, the first output drives the movable rolling wheel 9 to rotate in the forward direction through the first subsystem, and the movable rolling wheel 9 drives the fixed rolling wheel 6 to rotate in the forward direction through the third subsystem; the second subsystem sets up between second output and fixed running roller 6, and the second output drives fixed running roller 6 antiport through the second subsystem, and fixed running roller 6 drives movable running roller 9 antiport through the third subsystem.
In this embodiment, the first subsystem has a chain transmission assembly, a spring and a first tensioning sprocket 4, the first tensioning sprocket 4 can be slidably mounted on the loose side of the chain along the direction perpendicular to the loose side of the chain transmission assembly, and the loose side of the chain is tightly pressed under the action of the spring, so that when the fixed grinding wheel 6 and the movable grinding wheel 9 are crushed and stuck, the loose side of the chain is loose, the first tensioning sprocket 4 moves under the action of the spring, the magnetic control assembly is triggered to switch to the second action state, the second output enables the fixed grinding wheel 6 and the movable grinding wheel 9 to reversely rotate through the second subsystem and the third subsystem, and the loose side of the chain transmission is tightly pressed, so that the first tensioning sprocket 4 returns to the initial position. After the preset time, the magnetic control assembly is switched to a first action state, the first output drives the fixed grinding wheel 6 and the movable grinding wheel 9 to rotate in the forward direction through the first subsystem and the third subsystem, and if the fixed grinding wheel 6 and the movable grinding wheel 9 are still locked, the magnetic control assembly is triggered again through the first tensioning chain wheel 4 to enable the magnetic control assembly to be switched to a second action state.
In this embodiment, the first transmission system includes a first main shaft 30, a belt pulley 28, a planet carrier 27, a first planetary gear set, a first sun gear sprocket 24, and a ring gear sprocket 26, the first main shaft 30 is fixedly installed on the housing 13, and the belt pulley 28 is rotatably installed on the first main shaft 30 and is driven by the driving device to rotate; the planet carrier 27 is rotatably mounted on the first main shaft 30 and is driven by the belt wheel 28 to rotate; the first sun sprocket 24 is the second output, is mounted to the first spindle 30, and is in external engagement with the first set of planet gears, and the ring sprocket 26 is the first output, and is in internal engagement with the first set of planet gears.
In this embodiment, the first subsystem further comprises a second main shaft 44, a first chain wheel 32, a first stop wheel 47, a second stop wheel 48, a first brake post 45, and a second brake post 40, and the chain drive assembly comprises a movable roller mounting shaft 15, a third chain wheel 8, and a second chain wheel 39; the second main shaft 44 is rotatably mounted on the housing 13, is located above the first main shaft 30, and is parallel to the first main shaft 30; the first chain wheel 32 is fixedly arranged on the second main shaft 44 and is in chain transmission with the gear ring chain wheel 26 so as to drive the second main shaft 44 to rotate under the transmission of the gear ring chain wheel 26; the second sprocket 39 is rotatably mounted to the second main shaft 44; the first stopping wheel 47 and the second stopping wheel 48 are both fixedly mounted on the second spindle 44, the first braking column 45 is telescopically mounted on the housing 13, and presses the first stopping wheel 47 when the magnetron assembly is started to block the rotation of the second spindle 44, and disengages from the first stopping wheel 47 when the magnetron assembly is closed to allow the free rotation of the second spindle 44; the second braking column 40 is telescopically mounted on the second chain wheel 39 and presses the second stopping wheel 48 when the magnetic control assembly is closed, so that the second chain wheel 39 rotates synchronously with the second main shaft 44, and disengages from the second stopping wheel 48 when the magnetic control assembly is started, and the second chain wheel 39 is allowed to rotate freely around the second main shaft 44; the movable grinding wheel mounting shaft 15 is rotatably mounted on the housing 13, is positioned above the second main shaft 44 and is arranged in parallel with the second main shaft 44; the movable roller 9 is arranged on a movable roller mounting shaft 15; the third chain wheel 8 is fixedly arranged at one end of the movable grinding wheel mounting shaft 15 and is in chain transmission with the second chain wheel 39 so as to drive the movable grinding wheel 9 to rotate under the transmission of the second chain wheel 39; the first tensioning sprocket 4 is mounted on the loose side of the chain between the second sprocket 39 and the third sprocket 8.
In this embodiment, the third subsystem includes a fourth sprocket 18, a second tensioning sprocket 2, a fixed roller mounting shaft 25, a fifth sprocket 17, a first gear 7, a second gear 1, and a sixth sprocket 5, the fourth sprocket 18 is fixedly mounted on the other end of the movable roller mounting shaft 15; the fixed roller mounting shaft 25 is rotatably mounted on the housing 13 and is arranged in parallel with the movable roller mounting shaft 15, and the fixed roller 6 is mounted on the fixed roller mounting shaft 25; the fifth chain wheel 17 is rotatably arranged on the shell 13 and is in chain transmission with the fourth chain wheel 18 through the second tensioning chain wheel 2, the first gear 7 and the fifth chain wheel 17 are arranged on the same rotating shaft so as to synchronously rotate along with the fifth chain wheel 17, the second gear 1 is externally meshed with the first gear 7, and the second gear 1 is fixedly arranged at one end of the fixed grinding wheel mounting shaft 25 so as to drive the fixed grinding wheel mounting shaft 25 to rotate under the transmission of the first gear 7; the sixth sprocket 5 is fixedly mounted to the other end of the fixed roller mounting shaft 25.
In the present embodiment, the second subsystem includes a third main shaft 31, a seventh chain wheel 35, a third stopping wheel 36, a third braking column 38, a braking frame 34, a fourth stopping wheel 33, a fourth braking column 16, and an eighth chain wheel 14, wherein the third main shaft 31 is rotatably mounted on the housing 13 and is arranged in parallel with the second main shaft 44; the seventh chain wheel 35 is rotatably arranged on the third main shaft 31 and is in chain transmission with the sixth chain wheel 5; the brake bracket 34 is sleeved on the third main shaft 31 and fixed on the shell 13; the third stopping wheel 36 and the fourth stopping wheel 33 are both fixedly arranged on the third main shaft 31, the third braking column 38 is telescopically arranged on the seventh chain wheel 35, and presses the third stopping wheel 36 when the magnetic control assembly is started so as to enable the seventh chain wheel 35 and the third main shaft 31 to synchronously rotate, and disengages from the third stopping wheel 36 when the magnetic control assembly is closed so as to enable the seventh chain wheel 35 to freely rotate around the third main shaft 31; the fourth brake column 16 is telescopically mounted on the brake frame 34, and presses the fourth stopping wheel 33 when the magnetic control assembly is closed to block the third spindle 31 from rotating, and disengages from the fourth stopping wheel 33 when the magnetic control assembly is started to enable the third spindle 31 to rotate freely; the eighth sprocket 14 is fixedly mounted to the third main shaft 31 and is chain driven with the first sun sprocket 24.
In this embodiment, the first transmission system further includes a second sun sprocket 29, a second planetary gear set, which is internally meshed with the carrier 27; the belt wheel 28 is rotatably mounted on the second planetary gear set to drive the second planetary gear set to revolve around the first main shaft 30; the second sun wheel chain wheel 29 is pre-fixed on the first main shaft 30 and is externally meshed with the second planetary wheel set, so that the belt wheel 28 drives the planet carrier 27 to rotate, and when the fixed grinding wheel 6 and the movable grinding wheel 9 rotate reversely and are clamped, the belt wheel 28 drives the second sun wheel chain wheel 29 to overcome the pre-tightening force through the first planetary wheel set and rotate; the driving system further comprises a third transmission system, the third transmission system comprises a ninth chain wheel 11, a fourth main shaft, a third gear 12 and a sliding rail rack 10, and the fourth main shaft is rotatably arranged on the shell 13 and is parallel to the first main shaft 30; the ninth chain wheel 11 is fixedly arranged at one end of the fourth main shaft and is in chain connection with the second sun wheel chain wheel 29 so as to drive the fourth main shaft to rotate under the transmission of the second sun wheel chain wheel 29, and two third gears 12 are respectively and fixedly arranged at two ends of the fourth main shaft; the movable roller mounting shaft 15 can be mounted on the housing 13 in a back-and-forth moving manner, the two slide rail racks 10 are respectively mounted at two ends of the movable roller mounting shaft 15 and meshed with the corresponding third gear 12, so that the movable roller mounting shaft 15 is driven to move in a direction away from the fixed roller mounting shaft 25 under the meshing transmission of the third gear 12, and further the distance between the fixed roller 6 and the movable roller 9 is increased, and the relative reverse jamming of the fixed roller 6 and the movable roller 9 is relieved. A tension spring 3 is arranged between the second tension sprocket 2 and the housing 13, the second tension sprocket 2 is mounted on the housing 13 in a vertically slidable manner, the tension spring 3 tensions the chain between the fourth sprocket 18 and the fifth sprocket 17, and the movable roller mounting shaft 15 is urged to return to the initial position after the relative reverse locking of the fixed roller 6 and the movable roller 9 is released.
In the embodiment, the magnetic control assembly comprises a first clutch push rod 19, a second clutch push rod 20, a push rod support frame 21 and an iron plate 46; the push rod support frame 21 and the iron plate 46 are both fixedly arranged on the shell 13, and the iron plate 46 is positioned in the middle of the push rod support frame 21; the first clutch push rod 19 and the second clutch push rod 20 both penetrate through the iron plate 46 and are slidably mounted on the push rod support frame 21, two ends of the first clutch push rod 19 respectively correspond to the first brake column 45 and the fourth brake column 16, and two ends of the second clutch push rod 20 respectively correspond to the second brake column 40 and the third brake column 38. The first clutch push rod 19 is provided with a fourth electromagnet 22 and a first electromagnet 50, the first electromagnet 50 is positioned on one side of the iron plate 46 close to the first brake column 45, and the fourth electromagnet 22 is positioned on one side of the iron plate 46 close to the fourth brake column 16; the fourth electromagnet 22 is powered off when the magnetic control assembly is in the first action state, the first electromagnet 50 is powered on when the magnetic control assembly is in the first action state, the first electromagnet 50 is adsorbed on the iron plate 46, and then the first clutch push rod 19 is driven to move towards the fourth brake column 16 and press the fourth brake column 16, so that the fourth brake column 16 presses the fourth stop wheel 33, and the first brake column 45 is separated from the first stop wheel 47; the first electromagnet 50 is powered off when the magnetic control assembly is started, the fourth electromagnet 22 is powered on when the magnetic control assembly is started, the fourth electromagnet 22 is adsorbed on the iron plate 46, and then the first clutch push rod 19 is driven to move towards the first brake column 45 and press the first brake column 45, so that the first brake column 45 presses the first stop wheel 47, and the fourth brake column 16 is separated from the fourth stop wheel 33. The second clutch push rod 20 is provided with a second electromagnet 49 and a third electromagnet 23, the second electromagnet 49 is positioned on one side of the iron plate 46 close to the second brake column 40, and the third electromagnet 23 is positioned on one side of the iron plate 46 close to the third brake column 38; the second electromagnet 49 is powered off when the magnetic control assembly is in the first action state, the third electromagnet 23 is powered on when the magnetic control assembly is in the first action state, the third electromagnet 23 is adsorbed on the iron plate 46, and then the second clutch push rod 20 is driven to move towards the second brake column 40 and press the second brake column 40, so that the second brake column 40 presses the second stop wheel 48, and the third brake column 38 is separated from the third stop wheel 36; the third electromagnet 23 is powered off when the magnetic control assembly is in the starting state, the second electromagnet 49 is powered on when the magnetic control assembly is in the starting state, the second electromagnet 49 is adsorbed on the iron plate 46, and then the second clutch push rod 20 is driven to move towards the third brake column 38 and press the third brake column 38, so that the third brake column 38 presses the third stop wheel 36, and the second brake column 40 is separated from the second stop wheel 48.
When the material crushing device 03 works normally, the magnetic control assembly is in a first action state, the driving device drives the belt wheel 28 to rotate, and the belt wheel 28 drives the planet carrier 27 to rotate through the first planetary gear set; the fourth brake column 16 compresses the fourth stop wheel 33, the third main shaft 31 is fixed, the eighth chain wheel 14 arranged on the third main shaft 31 is fixed and is fixed with the first sun wheel chain wheel 24 driven by the eighth chain wheel 14 chain, and the planet carrier 27 drives the ring gear chain wheel 26 to rotate through the second planetary gear set; the gear ring chain wheel 26 drives the first chain wheel 32 to rotate through chain transmission, the first brake column 45 is separated from the first stop wheel 47, and the first chain wheel 32 drives the second main shaft 44 and the second stop wheel 48 to rotate; the second brake column 40 presses the second stop wheel 48, so that the second chain wheel 39 rotates along with the second stop wheel 48; the second chain wheel 39 drives the third chain wheel 8 to rotate through chain transmission, the third chain wheel 8 drives the movable roller mounting shaft 15 to rotate, and further drives the movable roller 9 mounted on the movable roller mounting shaft 15 to rotate forwardly; the fourth chain wheel 18 rotates along with the movable roller mounting shaft 15 and drives the fifth chain wheel 17 to rotate through chain transmission; the fifth chain wheel 17 drives the first gear 7 which is coaxial with the fifth chain wheel to rotate, and the first gear 7 drives the second gear 1 to rotate; the second gear 1 drives the fixed roller mounting shaft 25 to rotate, and further drives the fixed roller 6 mounted on the fixed roller mounting shaft 25 to rotate forwards; the sixth chain wheel 5 rotates along with the fixed roller mounting shaft 25, the third brake column 38 is disengaged from the third stop wheel 36, and the seventh chain wheel 35 idles around the third main shaft 31 under the driving of the chain drive of the sixth chain wheel 5. When the fixed grinding wheel 6 and the movable grinding wheel 9 are clamped in a positive rotation mode relatively, loose edges of the chain transmission between the second chain wheel 39 and the third chain wheel 8 are loosened, the first tensioning chain wheel 4 moves forwards under the action of a spring to trigger the magnetic control assembly to be switched to a second action state, the first brake column 45 compresses the first stop wheel 47, the second main shaft 44 is fixed, the first chain wheel 32 arranged on the second main shaft 44 is fixed, and the first brake column is fixed with the gear ring chain wheel 26 of the chain transmission of the first chain wheel 32; the planet carrier 27 drives the first sun gear sprocket 24 to rotate through the second planetary gear set; the fourth brake column 16 is disengaged from the fourth stopping wheel 33, and the third main shaft 31 can rotate freely; the eighth chain wheel 14 drives the third main shaft 31 to rotate under the chain drive of the first sun gear chain wheel 24; the third brake column 38 presses the third stopping wheel 36, and the seventh chain wheel 35 is driven to rotate while the third stopping wheel 36 rotates along with the third main shaft 31; the seventh chain wheel 35 drives the sixth chain wheel 5 to rotate through chain transmission, the sixth chain wheel 5 drives the fixed roller mounting shaft 25 to rotate, and further drives the fixed roller 6 mounted on the fixed roller mounting shaft 25 to rotate reversely; the second gear 1 rotates along with the fixed grinding wheel mounting shaft 25 and drives the first gear 7 to rotate through meshing transmission, and the first gear 7 drives the fifth chain wheel 17 coaxial with the first gear to rotate; the fifth chain wheel 17 drives the fourth chain wheel 18 to rotate through chain transmission; the fourth chain wheel 18 drives the movable roller mounting shaft 15 to rotate, and further drives the movable roller 9 mounted on the movable roller mounting shaft 15 to rotate reversely; the third chain wheel 8 rotates along with the movable roller mounting shaft 15, the second brake column 40 is separated from the second stop wheel 48, the second chain wheel 39 idles around the second main shaft 44 under the driving of the chain transmission of the third chain wheel 8, and the first tensioning chain wheel 4 moves backwards, at this time, the fixed roller 6 and the movable roller 9 rotate reversely, and after the preset time, the magnetic control assembly is automatically switched to the first action state, if the forward rotation of the fixed roller 6 and the movable roller 9 is still locked, the first tensioning chain wheel 4 moves forwards again to trigger the magnetic control assembly to switch the magnetic control assembly to the second action state, and if the locking is released, the fixed roller 6 and the movable roller 9 return to normal rotation.
In the embodiment, the outer ends of the first brake column 45, the second brake column 40, the third brake column 38 and the fourth brake column 16 are provided with brake pressing sleeves 37 for preventing the brake pressing sleeves from being disengaged from the mounting part, and are disengaged from the corresponding first stop wheel 47, the second stop wheel 48, the third stop wheel 36 and the fourth stop wheel 33 under the action of the springs, and press the first stop wheel 47, the second stop wheel 48, the third stop wheel 36 and the fourth stop wheel 33 under the action of the first clutch push rod 19 and the second clutch push rod 20.
In this embodiment, there are a plurality of first brake columns 45, second brake columns 40, third brake columns 38, and fourth brake columns 16, and they are all uniformly distributed along the circumferential direction of corresponding first stop wheels 47, second stop wheels 48, third stop wheels 36, and fourth stop wheels 33; arc push rods are arranged at two ends of the first clutch push rod 19 and the second clutch push rod 20 and are coaxial with the corresponding first stop wheel 47, the second stop wheel 48, the third stop wheel 36 and the fourth stop wheel 33, so that the first clutch push rod 19 and the second clutch push rod 20 evenly press the corresponding first brake column 45, the second brake column 40, the third brake column 38 and the fourth brake column 16 through the arc push rods.
In this embodiment, the first transmission system of the dredging and dredging device for water conservancy construction of the invention comprises an input and three outputs, the first output drives the fixed grinding wheel 6 and the movable grinding wheel 9 to rotate forward through the transmission of the second transmission system, the second output drives the fixed grinding wheel 6 and the movable grinding wheel 9 to rotate reversely through the second transmission system, the magnetic control assembly is switched to a second action state through the triggering of the first tension sprocket 4 when the forward rotation of the fixed grinding wheel 6 and the movable grinding wheel 9 is jammed, the first output is fixed, the second output is allowed to drive the fixed grinding wheel 6 and the movable grinding wheel 9 to rotate reversely through the second transmission system, and the driving device is prevented from being jammed and burnt out; the magnetic control assembly is automatically switched back to the first working state after the preset time, the second output is fixed, the first output is allowed to drive the fixed grinding wheel 6 and the movable grinding wheel 9 to recover to rotate in the forward direction through the second transmission system, and the material crushing device 03 recovers to be crushed normally; when the fixed grinding wheel 6 and the movable grinding wheel 9 are blocked in the reverse rotation mode, the third output drives the movable grinding wheel 9 to be far away from the fixed grinding wheel 6 through the third transmission system so as to increase the distance between the fixed grinding wheel and the movable grinding wheel and remove the blocking.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a dredging and desilting device that water conservancy construction used which characterized in that: the material crushing device comprises a fixed grinding wheel and a movable grinding wheel which are arranged in parallel, and the material conveying belt conveys materials to the upper parts of the fixed grinding wheel and the movable grinding wheel so that the materials are crushed by the rotating fixed grinding wheel and the rotating movable grinding wheel; the material crushing device also comprises a driving system and a shell, wherein the driving system comprises a driving device, a first transmission system, a second transmission system and a magnetic control assembly; the first transmission system is driven by the driving device and comprises a first output and a second output, the first output drives the fixed grinding wheel to rotate in the forward direction and the movable grinding wheel to rotate in the forward direction through the second transmission system so as to crush materials, and the second output drives the fixed grinding wheel to rotate in the reverse direction and the movable grinding wheel to rotate in the reverse direction through the second transmission system; the magnetic control assembly has a first action state enabling the second output to be fixed and allowing the first output to run and a second action state enabling the first output to be fixed and allowing the second output to run, is configured to be in the first action state when the fixed grinding wheel and the movable grinding wheel grind, is switched to the second action state when the fixed grinding wheel and the movable grinding wheel grind and are stuck, and is automatically switched to the first action state after preset time.
2. Dredging and dredging device for water conservancy construction according to claim 1, characterized in that: the second transmission system comprises a first subsystem, a second subsystem and a third subsystem; the third subsystem is arranged between the fixed rolling wheel and the movable rolling wheel, the first subsystem is arranged between the first output and the movable rolling wheel, the first output drives the movable rolling wheel to rotate in the forward direction through the first subsystem, and the movable rolling wheel drives the fixed rolling wheel to rotate in the forward direction through the third subsystem; the second subsystem sets up between second output and fixed running roller, and the second output drives fixed running roller antiport through the second subsystem, and fixed running roller drives movable running roller antiport through the third subsystem.
3. Dredging and dredging device for water conservancy construction according to claim 2, characterized in that: the first subsystem is provided with a chain transmission assembly, a spring and a first tensioning chain wheel, the first tensioning chain wheel can be slidably mounted on the loose side of the chain along the loose side direction of the chain perpendicular to the chain transmission assembly, the loose side of the chain is tightly propped under the action of the spring, when the fixed grinding wheel and the movable grinding wheel are crushed and clamped, the loose side of the chain is loose, the first tensioning chain wheel moves under the action of the spring, the magnetic control assembly is triggered to switch to a second action state, the second output enables the fixed grinding wheel and the movable grinding wheel to reversely rotate through the second subsystem and the third subsystem, the loose side of the chain transmission is tightly tightened, and the first tensioning chain wheel returns to an initial position.
4. Dredging and dredging device for water conservancy construction according to claim 3, characterized in that: the first transmission system comprises a first main shaft, a belt wheel, a planet carrier, a first planetary wheel set, a first sun wheel chain wheel and a gear ring chain wheel, the first main shaft is fixedly arranged on the shell, and the belt wheel is rotatably arranged on the first main shaft and is driven by the driving device to rotate; the planet carrier is rotatably arranged on the first main shaft and is driven by the belt wheel to rotate; the first sun gear chain wheel is used as a second output and is arranged on the first spindle and is externally meshed with the first planetary gear set, and the gear ring chain wheel is used as a first output and is internally meshed with the first planetary gear set.
5. Dredging and dredging device for water conservancy construction according to claim 4, characterized in that: the first subsystem further comprises a second main shaft, a first chain wheel, a first stop wheel, a second stop wheel, a first brake column and a second brake column, and the chain transmission assembly comprises a movable grinding wheel mounting shaft, a third chain wheel and a second chain wheel; the second main shaft is rotatably arranged on the shell, is positioned above the first main shaft and is parallel to the first main shaft; the first chain wheel is fixedly arranged on the second main shaft and is in chain transmission with the gear ring chain wheel so as to drive the second main shaft to rotate under the transmission of the gear ring chain wheel; the second chain wheel is rotatably arranged on the second main shaft; the first stop wheel and the second stop wheel are fixedly arranged on the second spindle, the first brake column is telescopically arranged on the shell, and compresses the first stop wheel when the magnetic control assembly is started so as to block the second spindle from rotating, and separates from the first stop wheel when the magnetic control assembly is closed so as to allow the second spindle to freely rotate; the second brake column is telescopically arranged on the second chain wheel and compresses the second stop wheel when the magnetic control assembly is closed, so that the second chain wheel synchronously rotates along with the second main shaft, and is separated from the second stop wheel when the magnetic control assembly is started, and the second chain wheel is allowed to freely rotate around the second main shaft; the movable grinding wheel mounting shaft is rotatably arranged on the shell, is positioned above the second main shaft and is parallel to the second main shaft; the movable grinding wheel is arranged on a movable grinding wheel mounting shaft; the third chain wheel is fixedly arranged at one end of the mounting shaft of the movable grinding wheel and is in chain transmission with the second chain wheel so as to drive the movable grinding wheel to rotate under the transmission of the second chain wheel; the first tensioning chain wheel is arranged on the loose side of the chain between the second chain wheel and the third chain wheel.
6. Dredging and dredging device for water conservancy construction according to claim 5, characterized in that: the third subsystem comprises a fourth chain wheel, a second tensioning chain wheel, a fixed grinding wheel mounting shaft, a fifth chain wheel, a first gear, a second gear and a sixth chain wheel, wherein the fourth chain wheel is fixedly mounted at the other end of the movable grinding wheel mounting shaft; the fixed roller mounting shaft is rotatably mounted on the shell and is parallel to the movable roller mounting shaft, and the fixed roller is mounted on the fixed roller mounting shaft; the fifth chain wheel is rotatably arranged on the shell and is in chain transmission with the fourth chain wheel through a second tensioning chain wheel, the first gear and the fifth chain wheel are arranged on the same rotating shaft so as to synchronously rotate along with the fifth chain wheel, the second gear is externally meshed with the first gear, and the second gear is fixedly arranged at one end of the fixed grinding wheel mounting shaft so as to drive the fixed grinding wheel mounting shaft to rotate under the transmission of the first gear; the sixth chain wheel is fixedly arranged at the other end of the fixed roller mounting shaft.
7. Dredging and dredging device for water conservancy construction according to claim 5, characterized in that: the second subsystem comprises a third main shaft, a seventh chain wheel, a third stop wheel, a third brake column, a brake frame, a fourth stop wheel, a fourth brake column and an eighth chain wheel, wherein the third main shaft is rotatably arranged on the shell and is parallel to the second main shaft; the seventh chain wheel is rotatably arranged on the third main shaft and is in chain transmission with the sixth chain wheel; the brake frame is sleeved on the third main shaft and is fixed on the shell; the third stopping wheel and the fourth stopping wheel are fixedly arranged on the third main shaft, the third braking column is telescopically arranged on the seventh chain wheel, and the third stopping wheel is tightly pressed when the magnetic control assembly is started so as to enable the seventh chain wheel and the third main shaft to synchronously rotate, and is separated from the third stopping wheel when the magnetic control assembly is closed so as to enable the seventh chain wheel to freely rotate around the third main shaft; the fourth brake column is telescopically arranged on the brake frame, compresses the fourth stop wheel when the magnetic control assembly is closed to block the rotation of the third main shaft, and is separated from the fourth stop wheel when the magnetic control assembly is started to enable the third main shaft to rotate freely; and the eighth chain wheel is fixedly arranged on the third main shaft and is in chain transmission with the first sun wheel chain wheel.
8. Dredging and dredging device for water conservancy construction according to claim 6, characterized in that: the first transmission system also comprises a second sun gear chain wheel and a second planetary gear set, and the second planetary gear set is internally meshed with the planet carrier; the belt wheel is rotatably arranged on the second planetary wheel set so as to drive the second planetary wheel set to revolve around the first main shaft; the second sun gear sprocket is pre-fixed on the first main shaft and is externally meshed with the second planetary wheel set, so that the belt wheel drives the planet carrier to rotate, and when the fixed grinding wheel and the movable grinding wheel rotate reversely and are clamped, the belt wheel drives the second sun gear sprocket to overcome the pre-tightening force through the first planetary wheel set and rotate; the driving system further comprises a third transmission system, the third transmission system comprises a ninth chain wheel, a fourth main shaft, a third gear and a sliding rail rack, and the fourth main shaft is rotatably arranged on the shell and is parallel to the first main shaft; the ninth chain wheels are fixedly arranged at one end of the fourth main shaft and are connected with the second sun wheel chain wheel so as to drive the fourth main shaft to rotate under the transmission of the second sun wheel chain wheel, and two third gears are respectively and fixedly arranged at two ends of the fourth main shaft; but the activity running roller installation axle is installed in the casing with the back-and-forth movement, and the slide rail rack has two, installs respectively in activity running roller installation axle both ends, and with the third gear engagement that corresponds to drive the direction removal that the fixed running roller installation axle was kept away from to activity running roller installation axle to the meshing transmission of third gear down, and then increase the interval between fixed running roller and the activity running roller, die in order to relieve the relative reversal card of fixed running roller and activity running roller. And a tension spring is arranged between the second tensioning chain wheel and the shell, the second tensioning chain wheel can be installed on the shell in a vertically sliding mode, the chain between the fourth chain wheel and the fifth chain wheel is tensioned under the action of the tension spring, and the movable grinding wheel installation shaft is urged to return to the initial position after the relative reverse rotation clamping of the fixed grinding wheel and the movable grinding wheel is relieved.
9. Dredging and dredging device for water conservancy construction according to claim 7, characterized in that: the magnetic control assembly comprises a first clutch push rod, a second clutch push rod, a push rod support frame and an iron plate; the push rod support frame and the iron plate are both fixedly arranged on the shell, and the iron plate is positioned in the middle of the push rod support frame; the first clutch push rod and the second clutch push rod penetrate through the iron plate and are slidably mounted on the push rod support frame, two ends of the first clutch push rod correspond to the first brake column and the fourth brake column respectively, and two ends of the second clutch push rod correspond to the second brake column and the third brake column respectively. A fourth electromagnet and a first electromagnet are arranged on the first clutch push rod, the first electromagnet is positioned on one side of the iron plate, which is close to the first brake column, and the fourth electromagnet is positioned on one side of the iron plate, which is close to the fourth brake column; a second electromagnet and a third electromagnet are arranged on the second clutch push rod, the second electromagnet is positioned on one side of the iron plate close to the second brake column, and the third electromagnet is positioned on one side of the iron plate close to the third brake column; the second electromagnet and the fourth electromagnet are powered off when the magnetic control assembly is in the first action state and powered on when the magnetic control assembly is in the second action state; the third electromagnet and the first electromagnet are powered on when the magnetic control assembly is in the first action state, and are powered off when the magnetic control assembly is in the second action state.
10. Dredging and dredging device for water conservancy construction according to claim 9, characterized in that: the first brake column, the second brake column, the third brake column and the fourth brake column are all provided with a plurality of brake columns and are evenly distributed along the circumferential direction of the corresponding first stop wheel, the second stop wheel, the third stop wheel and the fourth stop wheel; the two ends of the first clutch push rod and the second clutch push rod are respectively provided with an arc push rod, and the arc push rods are coaxial with the corresponding first stop wheel, the second stop wheel, the third stop wheel and the fourth stop wheel, so that the first clutch push rod and the second clutch push rod uniformly compress a plurality of corresponding first brake columns, second brake columns, third brake columns and fourth brake columns through the arc push rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110299012.9A CN113047363A (en) | 2021-05-11 | 2021-05-11 | Dredging dredging device for water conservancy construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110299012.9A CN113047363A (en) | 2021-05-11 | 2021-05-11 | Dredging dredging device for water conservancy construction |
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| CN113047363A true CN113047363A (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110299012.9A Pending CN113047363A (en) | 2021-05-11 | 2021-05-11 | Dredging dredging device for water conservancy construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115212946A (en) * | 2022-08-26 | 2022-10-21 | 苏志明 | Stone breaker is used in bridge tunnel construction |
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| CN212554061U (en) * | 2020-06-09 | 2021-02-19 | 广州易科热泵烘干设备科技有限公司 | Sludge slitting forming machine with anti-blocking structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202506428U (en) * | 2012-03-22 | 2012-10-31 | 唐山亚捷机械有限公司 | Cutter protection and fast replacement type stripped metal crushing machine |
| CN204485933U (en) * | 2015-02-11 | 2015-07-22 | 张诗山 | Algae grinding mill |
| CN206622197U (en) * | 2017-03-21 | 2017-11-10 | 河海大学 | A kind of mud soil block crushing device |
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Application publication date: 20210629 |
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