CN113730967A - Chain tensioning adjusting device for mud scraper - Google Patents
Chain tensioning adjusting device for mud scraper Download PDFInfo
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- CN113730967A CN113730967A CN202111094937.6A CN202111094937A CN113730967A CN 113730967 A CN113730967 A CN 113730967A CN 202111094937 A CN202111094937 A CN 202111094937A CN 113730967 A CN113730967 A CN 113730967A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention relates to the technical field of chain plate type mud scrapers, and discloses a chain tensioning adjusting device for a mud scraper, which comprises two chains, wherein tensioning wheels are movably arranged on the inner walls of the left sides of the two chains, the two tensioning wheels are connected through a pushing shaft, a plurality of push rods are uniformly arranged on the outer wall of the pushing shaft, movable plugs are fixedly arranged at the tail ends of the push rods, and the movable plugs are movably arranged in a guide cylinder; the floater is in the sedimentation tank and receives the ascending buoyancy of sewage, and floater rebound under the effect of buoyancy, the floater of rebound passes through the power arm and drives to rotate the cover rotatory, rotates the cover rotation and drives through the resistance arm and push away the post anticlockwise rotation, and the activity stopper is pushed away to the post of anticlockwise rotation, and the activity stopper of removal can drive the take-up pulley through push rod and promotion axle and remove to just make the take-up pulley can effectually carry out the tensioning to the chain, prevent that the chain from collapsing.
Description
Technical Field
The invention relates to the technical field of chain plate type mud scrapers, in particular to a chain tensioning adjusting device for a mud scraper.
Background
With the rapid development of national economy of China, the generation of waste water is increased day by day, and in the sewage treatment industry, a chain plate type mud scraper is one of important devices in a secondary sedimentation tank and mainly used for recovering floating slag and floating oil and discharging sludge at the bottom of the tank; the chain of the chain plate type mud scraper is generally made of nonmetal ultrahigh-strength winding glass fiber reinforced plastics or glass fiber polyacetal resin, and the chain can deform and stretch when running in water for a long time, and the scraping plates can fall off from the chain wheels when the chain after deforming and stretching is too long;
the Chinese patent publication number is: CN 212914649U's patent, it provides a novel chain slat type mud scraper, belongs to chain slat type mud scraper field. A novel chain plate type mud scraper comprises a water tank, two groups of upper bearing seats and two groups of lower bearing seats, wherein the top of the left side of the water tank is fixedly connected with a speed reducer, the speed reducer is rotatably connected with a transmission chain, the left side of the upper bearing seats is fixedly connected with a driving wheel shaft, the driving wheel shaft is fixedly connected with a driving chain wheel, the speed reducer drives the driving chain wheel to rotate through the transmission chain, the driving chain wheel is rotatably connected with a chain plate, the right side of the upper bearing seats and the two groups of lower bearing seats are both provided with driven shafts and driven chain wheels, the driving chain wheels and the driven chain wheels are connected through the chain plates, and the outer walls of the chain plates are fixedly connected with scraping plates; this patent has increased the intensity and the life of scraper blade, and the effectual link joint of preventing jumps the chain and takes off the chain still has improved work efficiency.
In the patent, although the chain can be tensioned through the arrangement of the tensioning device, the tensioning force is provided by the spring, and the spring is easy to corrode, damage and lose elasticity in practical underwater application and is troublesome to replace and maintain;
based on this, we propose a chain tensioning adjustment device for a mud scraper.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a chain tensioning adjusting device for a mud scraper, which has the advantage of effectively tensioning a chain.
(II) technical scheme
In order to achieve the aim of effectively tensioning the chain, the invention provides the following technical scheme: a chain tensioning adjusting device for a mud scraper comprises a sedimentation tank, wherein a driven wheel set and a driving wheel set are movably arranged in the sedimentation tank, two chains which are in trapezoidal arrangement are arranged between the driven wheel set and the driving wheel set in a surrounding mode, scraping plates are uniformly arranged on the outer walls of the two chains, tensioning wheels are movably arranged on the inner walls of the left sides of the two chains, the two tensioning wheels are connected through a pushing shaft, a plurality of push rods are uniformly arranged on the outer wall of the pushing shaft, movable plugs are fixedly mounted at the tail ends of the push rods, and the movable plugs are movably arranged in a guide cylinder;
the inner wall of guide cylinder still fixed mounting has the fixed axle, the outer wall of fixed axle rotates and is provided with and rotates the cover, one side fixed mounting who rotates the cover has the resistance arm, the terminal fixed mounting of resistance arm has the kickpost, the kickpost activity sets up on the outer wall of activity stopper, the opposite side fixed mounting who rotates the cover has the power arm, the terminal fixed mounting of power arm has the floater, the floater sets up the outside at the guide cylinder.
As a preferable technical scheme of the invention, the two tensioning wheels are respectively and rotatably arranged at two ends of the pushing shaft.
As a preferable technical scheme of the invention, a limiting ring is fixedly arranged on the inner wall of one end of the guide cylinder facing the pushing shaft, the inner diameter of the limiting ring is larger than the diameter of the push rod and smaller than the diameter of the movable plug, and the push rod is inserted into the limiting ring.
As a preferable technical scheme of the invention, the power arm and the resistance arm are arranged in a V shape, and the length of the power arm is longer than that of the resistance arm.
As a preferred technical scheme of the invention, two adjacent guide cylinders are connected through a connecting rod, and the guide cylinder at the most lateral side is fixedly arranged on the inner side wall of the sedimentation tank through a positioning rod.
As a preferred technical scheme of the invention, two adjacent guide cylinders are connected through a connecting rod, the guide cylinder at the most lateral side is fixedly connected with a sliding plug through a positioning rod, and the sliding plug is arranged on the inner wall of a fixed cabinet in a sliding manner;
the outer wall of the fixed cabinet is provided with a movable groove matched with the positioning rod, and the fixed cabinet is fixedly arranged on the inner side wall of the sedimentation tank;
and a spring is fixedly connected between one end of the sliding plug, which faces the pushing shaft, and the inner side wall of the fixed cabinet.
As a preferred technical scheme of the present invention, a steel wire rope is further fixedly installed at one end of the sliding plug facing the pushing shaft, the tail end of the steel wire rope passes through the fixing cabinet and extends to the outside of the fixing cabinet, and is fixedly connected with a tightening mechanism, and the tightening mechanism is used for tightening or loosening the steel wire rope.
As a preferable technical scheme of the invention, the outer wall of the steel wire rope is also movably provided with a guide wheel, the guide wheel is rotatably arranged on the inner side wall of the sedimentation tank, and the steel wire rope winds around the guide wheel and longitudinally extends upwards.
As a preferred technical scheme, the tightening mechanism comprises a bottom plate, a top plate, a threaded cylinder, a threaded rod, a lifting plate and guide posts, wherein the bottom plate is fixedly installed at the top of the sedimentation tank, the guide posts are fixedly installed on two sides of the top of the bottom plate, the top plate is fixedly installed at the tops of the guide posts, the threaded cylinder is rotatably arranged at the center inside the top plate, and rotating handles are uniformly arranged on the outer wall of the threaded cylinder;
the inner wall of the threaded cylinder is in threaded connection with a threaded rod, the bottom of the threaded rod is fixedly provided with a lifting plate, the lifting plate is movably arranged between the bottom plate and the top plate, and the guide column is inserted into the lifting plate;
the top end of the steel wire rope penetrates through the bottom plate and is fixedly installed at the bottom of the lifting plate.
As a preferable technical scheme of the invention, the outer wall of the guide post is also provided with scales.
(III) advantageous effects
Compared with the prior art, the invention provides a chain tensioning and adjusting device for a mud scraper, which has the following beneficial effects:
1. according to the chain tensioning adjusting device for the mud scraper, the floating ball is located in the sedimentation tank and receives upward buoyancy of sewage, the floating ball moves upwards under the action of the buoyancy, the upward moving floating ball drives the rotating sleeve to rotate through the power arm, the rotating sleeve drives the pushing column to rotate anticlockwise through the resistance arm, the pushing column rotating anticlockwise pushes the movable plug, the movable plug can drive the tensioning wheel to move through the push rod and the pushing shaft, so that the tensioning wheel can effectively tension the chain, when the chain is tensioned to the limit position, the resistance received by the movable plug cannot move any more after passing through excrement, and the floating ball cannot float again;
when the chain takes place to warp and slack again, the floater utilizes buoyancy can be real-timely to take over tension the chain to guarantee the compactness of chain, the whole in-process only utilizes sewage to take over tension the buoyancy of floater, need not to remove driven wheelset or initiative wheelset, has avoided transmission efficiency's decline.
2. This a chain tensioning adjusting device for mud scraper, when the chain slack and undisciplined range is great, the activity stopper is pushed by the pushing ram and is crowded also can't carry out the tensioning to the chain to extreme position, utilize tightening mechanism can adjust the position of whole guide cylinder, make the guide cylinder move towards chain department to can continue effectual tensioning, specific to the chain:
the rotating handle is rotated to enable the threaded cylinder to rotate, the threaded cylinder rotates to drive the threaded rod in threaded connection with the inner wall of the threaded cylinder to ascend or descend, the threaded rod ascends or descends to drive the lifting plate to ascend or descend, when the lifting plate ascends, the steel wire rope can be pulled upwards to tighten the steel wire rope, and otherwise, the steel wire rope is loosened;
the steel wire rope that tightens up stimulates the slip stopper and removes, and the slip stopper can drive the guide cylinder through the locating lever when removing compression spring and remove, makes the guide cylinder remove towards chain department, thereby the guide cylinder removes towards chain department and can make the left take-up pulley of guide cylinder can continue effectual tensioning to the chain, prevents that the chain from collapsing.
Drawings
FIG. 1 is a perspective view of an overall structure according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a guide cylinder portion according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a portion of a guide cylinder according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a rotating sleeve portion according to a first embodiment of the present invention;
FIG. 5 is a perspective view of the overall structure of the second embodiment of the present invention;
FIG. 6 is an enlarged view of a portion of the stationary cabinet according to a second embodiment of the present invention;
FIG. 7 is a sectional view of a portion of a stationary cabinet according to a second embodiment of the present invention;
FIG. 8 is an enlarged schematic view of a wire rope portion according to a second embodiment of the present invention;
fig. 9 is an enlarged schematic view of a lifter plate portion according to a second embodiment of the present invention.
In the figure: 1. a sedimentation tank; 2. a driven wheel set; 3. a driving wheel set; 4. a chain; 5. a squeegee; 6. a tension wheel; 7. pushing the shaft; 8. a push rod; 9. a movable plug; 10. a guide cylinder; 11. a limiting ring; 12. pushing the column; 13. a resistance arm; 14. rotating the sleeve; 15. a fixed shaft; 16. a power arm; 17. a floating ball; 18. a connecting rod; 19. positioning a rod; 20. a sliding plug; 21. a fixed cabinet; 22. a spring; 23. a wire rope; 24. a guide wheel; 25. a base plate; 26. a top plate; 27. a threaded barrel; 28. turning a handle; 29. a threaded rod; 30. a lifting plate; 31. a guide post; 32. and (4) calibration.
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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The first embodiment is as follows:
referring to fig. 1-4, a chain tensioning and adjusting device for a mud scraper comprises a sedimentation tank 1, a driven wheel set 2 and a driving wheel set 3 are movably arranged in the sedimentation tank 1, two chains 4 in trapezoidal arrangement are arranged between the driven wheel set 2 and the driving wheel set 3 in a surrounding manner, scrapers 5 are uniformly arranged on the outer walls of the two chains 4, and the arrangement is the arrangement of a conventional chain plate type mud scraper, so that the details are not repeated in the embodiment;
the inner walls of the left sides of the two chains 4 are respectively and movably provided with a tensioning wheel 6, and the two tensioning wheels 6 are connected through a pushing shaft 7, in the embodiment, the two tensioning wheels 6 are respectively and rotatably arranged at the two ends of the pushing shaft 7, the pushing shaft 7 can drive the two tensioning wheels 6 to move, and the two tensioning wheels 6 can tension the chains 4 when moving towards the chains 4;
the outer wall of the pushing shaft 7 is uniformly provided with a plurality of push rods 8, the tail ends of the push rods 8 are fixedly provided with movable plugs 9, the movable plugs 9 are movably arranged inside the guide cylinder 10, the inner wall of the guide cylinder 10 is also fixedly provided with a fixed shaft 15, the outer wall of the fixed shaft 15 is rotatably provided with a rotating sleeve 14, one side of the rotating sleeve 14 is fixedly provided with a resistance arm 13, the tail end of the resistance arm 13 is fixedly provided with a push column 12, the push column 12 is movably arranged on the outer wall of the movable plug 9, the other side of the rotating sleeve 14 is fixedly provided with a power arm 16, the tail end of the power arm 16 is fixedly provided with a floating ball 17, and the floating ball 17 is arranged outside the guide cylinder 10;
the floating ball 17 is positioned in the sedimentation tank 1 and is subjected to upward buoyancy of sewage, the floating ball 17 moves upwards under the action of the buoyancy, the upward moving floating ball 17 drives the rotating sleeve 14 to rotate through the power arm 16, the rotating sleeve 14 rotates to drive the push post 12 to rotate anticlockwise through the resistance arm 13, the anticlockwise rotating push post 12 pushes the movable plug 9, the movable plug 9 can drive the tension wheel 6 to move through the push rod 8 and the push shaft 7, so that the tension wheel 6 can effectively tension the chain 4, when the chain 4 is tensioned to a limit position, the resistance borne by the movable plug 9 can not move any more after passing through excrement, and the floating ball 17 can not float any more;
when the chain 4 deforms and loosens again, the floating ball 17 can tension the chain 4 in real time by using buoyancy, manual intervention is not needed, the chain 4 is ensured to be compact, the buoyancy of the floating ball 17 is only used for tensioning by using sewage in the whole process, the driven wheel group 2 or the driving wheel group 3 is not needed to be moved, and the reduction of the transmission efficiency is avoided;
the pushing column 12 pushes the movable plug 9 to enable the movable plug 9 to horizontally and transversely move, so that the horizontally and transversely moving movable plug 9 can drive the tension wheel 6 to horizontally and transversely move through the push rod 8 and the pushing shaft 7, the tension wheel 6 horizontally and transversely moves tensions the chain 4, teeth are not easily clamped between the tension wheel 6 and the chain 4, and the meshing between the tension wheel 6 and the chain 4 is more stable and reliable;
in this embodiment, a limiting ring 11 is further fixedly mounted on an inner wall of one end of the guide cylinder 10 facing the pushing shaft 7, an inner diameter of the limiting ring 11 is larger than a diameter of the push rod 8 and smaller than a diameter of the movable plug 9, the push rod 8 is inserted into the limiting ring 11, and the movable plug 9 can be prevented from being separated from the guide cylinder 10 by the limiting ring 11, so that stability of the whole structure is ensured;
in this embodiment, please refer to fig. 4, the power arm 16 and the resistance arm 13 are arranged in a V shape, and the length of the power arm 16 is longer than that of the resistance arm 13, and the floating ball 17 does not need to receive a large buoyancy force, and the rotating sleeve 14 and the resistance arm 13 can be driven to rotate by using the lever principle, so that the transmission efficiency is higher, the performance effect is better in practical application, the chain 4 can be tensioned by a large thrust force, and the situation that the chain 4 is difficult to tension due to insufficient thrust force is avoided;
in this embodiment, two adjacent guide cylinders 10 are connected by a connecting rod 18, the most lateral guide cylinder 10 is fixedly installed on the inner side wall of the sedimentation tank 1 by a positioning rod 19, and the positions of the guide cylinders 10 are fixed by the connecting rod 18 and the positioning rod 19, so that the overall structure is more stable and reliable, in this embodiment, two guide cylinders 10 are provided, certainly, a plurality of guide cylinders 10 can be provided according to actual requirements, for example, three or four guide cylinders 10 are provided, the greater the number of the guide cylinders 10 is, the greater the thrust applied to the pushing shaft 7 is, the better the tensioning effect on the chain 4 is, but the cost is increased to a certain extent by providing the plurality of guide cylinders 10, so in this embodiment, on the premise of ensuring that the chain 4 can be effectively tensioned, two guide cylinders 10 are provided for saving the cost, and the two guide cylinders 10 can generate a larger thrust to tension the chain 4, this is achieved by means of a lever effect between the power arm 16 and the resistance arm 13.
Example two:
referring to fig. 5-9, on the basis of the first embodiment, two adjacent guide cylinders 10 are connected by a connecting rod 18, the guide cylinder 10 at the side edge is fixedly connected with a sliding plug 20 by a positioning rod 19, the sliding plug 20 is slidably disposed on the inner wall of a fixed cabinet 21, the outer wall of the fixed cabinet 21 is provided with a movable groove matched with the positioning rod 19, the fixed cabinet 21 is fixedly mounted on the inner side wall of the sedimentation tank 1, and a spring 22 is further fixedly connected between one end of the sliding plug 20 facing the pushing shaft 7 and the inner side wall of the fixed cabinet 21;
a steel wire rope 23 is fixedly mounted at one end of the sliding plug 20 facing the pushing shaft 7, the tail end of the steel wire rope 23 penetrates through the fixed cabinet 21 and extends to the outside of the fixed cabinet 21, and a tightening mechanism is fixedly connected with the steel wire rope 23 and used for tightening or loosening the steel wire rope 23, when the chain 4 is large in looseness range and the movable plug 9 is pushed to the limit position by the pushing column 12 and cannot tighten the chain 4, the position of the whole guide cylinder 10 can be adjusted by the tightening mechanism, so that the guide cylinder 10 moves towards the chain 4 to continue to effectively tighten the chain 4;
in this embodiment, the outer wall of the steel wire rope 23 is also movably provided with a guide wheel 24, the guide wheel 24 is rotatably arranged on the inner side wall of the sedimentation tank 1, and the steel wire rope 23 bypasses the guide wheel 24 to longitudinally extend upwards and is connected with a tightening mechanism, so that the tightening mechanism can be arranged at the top of the sedimentation tank 1, and the control, use, installation and maintenance are more convenient;
in this embodiment, the tightening mechanism comprises a bottom plate 25, a top plate 26, a threaded cylinder 27, a threaded rod 29, a lifting plate 30 and guide posts 31, wherein the bottom plate 25 is fixedly installed at the top of the sedimentation tank 1, the guide posts 31 are fixedly installed on both sides of the top of the bottom plate 25, the top of each guide post 31 is fixedly installed with the top plate 26, the threaded cylinder 27 is rotatably installed at the center inside the top plate 26, and rotating handles 28 are uniformly arranged on the outer wall of the threaded cylinder 27;
the inner wall of the threaded cylinder 27 is in threaded connection with a threaded rod 29, the bottom of the threaded rod 29 is fixedly provided with a lifting plate 30, the lifting plate 30 is movably arranged between the bottom plate 25 and the top plate 26, a guide post 31 is inserted into the lifting plate 30, the top end of the steel wire rope 23 penetrates through the bottom plate 25 and is fixedly arranged at the bottom of the lifting plate 30, the threaded cylinder 27 can be rotated by rotating the rotating handle 28, the threaded cylinder 27 rotates to drive the threaded rod 29 in threaded connection with the inner wall of the threaded cylinder to ascend or descend, the threaded rod 29 ascends or descends to drive the lifting plate 30 to ascend or descend, when the lifting plate 30 ascends, the steel wire rope 23 can be pulled upwards to tighten the steel wire rope 23, and otherwise, the steel wire rope 23 is loosened;
the tightened steel wire rope 23 pulls the sliding plug 20 to move, the sliding plug 20 drives the guide cylinder 10 to move through the positioning rod 19 while moving the compression spring 22, so that the guide cylinder 10 moves towards the chain 4, and the guide cylinder 10 moves towards the chain 4, so that the tensioning wheel 6 on the left side of the guide cylinder 10 can continuously and effectively tension the chain 4, and the chain 4 is prevented from being loosened;
therefore, the chain 4 can be automatically tensioned within a certain range through the arrangement of the guide cylinder 10, and when the tensioning range of the guide cylinder 10 is exceeded through the arrangement of the tightening mechanism, the position of the guide cylinder 10 can be manually adjusted, so that the guide cylinder 10 can continuously and automatically tension the chain 4, the automation degree of the whole structure is higher, and the tensioning efficiency is greatly improved;
in this embodiment, the grafting of guide post 31 in lifter plate 30 has restricted lifter plate 30's rotation, make lifter plate 30 and threaded rod 29 only can be the up-and-down translation motion under the drive of screw thread section of thick bamboo 27, the outer wall of guide post 31 still is provided with scale 32 in this embodiment, the displacement distance of knowing lifter plate 30 that can be accurate through scale 32, the displacement distance of lifter plate 30 equals with wire rope 23's tightening distance, thereby can know wire rope 23's tightening distance, can judge the size of take-up pulley 6 to the tensile force of chain 4 according to wire rope 23's tightening distance.
The working principle and the using process of the invention are as follows:
the floating ball 17 is positioned in the sedimentation tank 1 and is subjected to upward buoyancy of sewage, the floating ball 17 moves upwards under the action of the buoyancy, the upward moving floating ball 17 drives the rotating sleeve 14 to rotate through the power arm 16, the rotating sleeve 14 rotates to drive the push post 12 to rotate anticlockwise through the resistance arm 13, the anticlockwise rotating push post 12 pushes the movable plug 9, the movable plug 9 can drive the tension wheel 6 to move through the push rod 8 and the push shaft 7, so that the tension wheel 6 can effectively tension the chain 4, when the chain 4 is tensioned to a limit position, the resistance borne by the movable plug 9 can not move any more after passing through excrement, and the floating ball 17 can not float any more;
when the chain 4 deforms and loosens again, the floating ball 17 can tension the chain 4 in real time by using buoyancy, manual intervention is not needed, the chain 4 is ensured to be compact, the buoyancy of the floating ball 17 is only used for tensioning by using sewage in the whole process, the driven wheel group 2 or the driving wheel group 3 is not needed to be moved, and the reduction of the transmission efficiency is avoided;
when the chain 4 is large in loosening amplitude and the movable plug 9 is pushed to the limit position by the push pillar 12 and cannot tension the chain 4, the position of the whole guide cylinder 10 can be adjusted by the tightening mechanism, so that the guide cylinder 10 moves towards the chain 4 to continue to effectively tension the chain 4, specifically:
the rotating handle 28 is rotated to rotate the threaded cylinder 27, the threaded cylinder 27 rotates to drive the threaded rod 29 in threaded connection with the inner wall of the threaded cylinder to ascend or descend, the threaded rod 29 ascends or descends to drive the lifting plate 30 to ascend or descend, when the lifting plate 30 ascends, the steel wire rope 23 can be pulled upwards to tighten the steel wire rope 23, and otherwise, the steel wire rope 23 is loosened;
the tightened steel wire rope 23 pulls the sliding plug 20 to move, the sliding plug 20 moves the compression spring 22 and simultaneously drives the guide cylinder 10 to move through the positioning rod 19, so that the guide cylinder 10 moves towards the chain 4, and the tensioning wheel 6 on the left side of the guide cylinder 10 can continuously and effectively tension the chain 4, and the chain 4 is prevented from being loosened.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a chain tensioning adjusting device for mud scraper, includes sedimentation tank (1), the inside activity of sedimentation tank (1) is provided with from wheelset (2) and driving pulley group (3), it is trapezoidal chain (4) of arranging to encircle to be provided with two between from wheelset (2) and driving pulley group (3), two the outer wall of chain (4) evenly is provided with scraper blade (5), its characterized in that: tensioning wheels (6) are movably arranged on the inner walls of the left sides of the two chains (4), the two tensioning wheels (6) are connected through a pushing shaft (7), a plurality of push rods (8) are uniformly arranged on the outer wall of the pushing shaft (7), movable plugs (9) are fixedly arranged at the tail ends of the push rods (8), and the movable plugs (9) are movably arranged inside guide cylinders (10);
the inner wall of guide cylinder (10) still fixed mounting have fixed axle (15), the outer wall of fixed axle (15) rotates and is provided with and rotates cover (14), one side fixed mounting who rotates cover (14) has resistance arm (13), the terminal fixed mounting of resistance arm (13) has push post (12), push post (12) activity sets up on the outer wall of movable stopper (9), the opposite side fixed mounting who rotates cover (14) has power arm (16), the terminal fixed mounting of power arm (16) has floater (17), floater (17) set up the outside at guide cylinder (10).
2. A chain tension adjustment device for mud scrapers according to claim 1, characterized in that: the two tension pulleys (6) are respectively and rotatably arranged at two ends of the pushing shaft (7).
3. A chain tension adjustment device for mud scrapers according to claim 1, characterized in that: guide cylinder (10) are towards still fixed mounting have spacing ring (11) on the inner wall of the one end that promotes axle (7), the internal diameter of spacing ring (11) is greater than the diameter of push rod (8) and is less than the diameter of activity stopper (9), push rod (8) alternate in the inside of spacing ring (11).
4. A chain tension adjustment device for mud scrapers according to claim 1, characterized in that: the power arm (16) and the resistance arm (13) are arranged in a V shape, and the length of the power arm (16) is longer than that of the resistance arm (13).
5. A chain tension adjustment device for mud scrapers according to claim 1, characterized in that: two adjacent guide cylinders (10) are connected through a connecting rod (18), and the guide cylinder (10) at the most lateral side is fixedly arranged on the inner side wall of the sedimentation tank (1) through a positioning rod (19).
6. A chain tension adjustment device for mud scrapers according to claim 1, characterized in that: two adjacent guide cylinders (10) are connected through a connecting rod (18), the guide cylinder (10) at the most lateral side is fixedly connected with a sliding plug (20) through a positioning rod (19), and the sliding plug (20) is arranged on the inner wall of a fixed cabinet (21) in a sliding manner;
the outer wall of the fixed cabinet (21) is provided with a movable groove matched with the positioning rod (19), and the fixed cabinet (21) is fixedly arranged on the inner side wall of the sedimentation tank (1);
a spring (22) is fixedly connected between one end of the sliding plug (20) facing the pushing shaft (7) and the inner side wall of the fixed cabinet (21).
7. A chain tension adjustment device for mud scrapers according to claim 6, characterized in that: sliding plug (20) are towards the one end that promotes axle (7) still fixed mounting have wire rope (23), the end of wire rope (23) passes fixed cabinet (21) and extends to the outside and fixedly connected with tightening mechanism of fixed cabinet (21), tightening mechanism is used for tightening up or relaxing wire rope (23).
8. A chain tension adjustment device for mud scrapers according to claim 7, characterized in that: the outer wall of the steel wire rope (23) is also movably provided with a guide wheel (24), the guide wheel (24) is rotatably arranged on the inner side wall of the sedimentation tank (1), and the steel wire rope (23) bypasses the guide wheel (24) and longitudinally extends upwards.
9. A chain tension adjustment device for mud scrapers according to claim 8, characterized in that: the tightening mechanism comprises a bottom plate (25), a top plate (26), a threaded cylinder (27), a threaded rod (29), a lifting plate (30) and guide posts (31), the bottom plate (25) is fixedly installed at the top of the sedimentation tank (1), the guide posts (31) are fixedly installed on two sides of the top of the bottom plate (25), the top of each guide post (31) is fixedly installed with the top plate (26), the threaded cylinder (27) is rotatably arranged at the center of the inside of the top plate (26), and rotating handles (28) are uniformly arranged on the outer wall of the threaded cylinder (27);
the inner wall of the threaded cylinder (27) is in threaded connection with a threaded rod (29), the bottom of the threaded rod (29) is fixedly provided with a lifting plate (30), the lifting plate (30) is movably arranged between the bottom plate (25) and the top plate (26), and the guide column (31) is inserted into the lifting plate (30);
the top end of the steel wire rope (23) penetrates through the bottom plate (25) and is fixedly installed at the bottom of the lifting plate (30).
10. A chain tension adjustment device for a mud scraper, as claimed in claim 9, wherein: the outer wall of the guide post (31) is also provided with scales (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111094937.6A CN113730967A (en) | 2021-09-17 | 2021-09-17 | Chain tensioning adjusting device for mud scraper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111094937.6A CN113730967A (en) | 2021-09-17 | 2021-09-17 | Chain tensioning adjusting device for mud scraper |
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| CN113730967A true CN113730967A (en) | 2021-12-03 |
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| CN202111094937.6A Pending CN113730967A (en) | 2021-09-17 | 2021-09-17 | Chain tensioning adjusting device for mud scraper |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20190314101A1 (en) * | 2016-09-22 | 2019-10-17 | Intuitive Surgical Operations, Inc. | Tension regulation of remotely actuated instruments, and related devices, systems, and methods |
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Application publication date: 20211203 |