CN211312793U

CN211312793U - Cooling tower desilting car

Info

Publication number: CN211312793U
Application number: CN201921846824.5U
Authority: CN
Inventors: 唐占春; 贺峰魁
Original assignee: Henan Jujiang Mechanical Equipment Installation Engineering Co ltd
Current assignee: Henan Jujiang Mechanical Equipment Installation Engineering Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-08-21
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a cooling tower desilting car, including desilting car body and operation panel and the power transmission case of setting on the desilting car body, the top fixed mounting of desilting car body has the canopy, and the bottom of desilting car body is rotated and is installed four steel wheels, bottom one side thread tightening of canopy has the driving motor who is located desilting car body one side, and driving motor's output shaft end fixed mounting has first screw rod, and one side fixed mounting of desilting car body has the fixed plate, and the fixed plate rotates the cover and establishes on first screw rod, and the thread bush is equipped with the removal seat on the first screw rod. The utility model relates to a rationally, convenient operation is convenient for promote and overturn the scraper bowl for promote and overturn and unload in step and go on, do not need two steps of operations, and the setting of first screw rod and second screw rod, guaranteed the scraper bowl and at the stability that promotes the in-process, avoid appearing the scraper bowl and rock the phenomenon that silt dropped at the promotion in-process, satisfy the user demand.

Description

Cooling tower desilting car

Technical Field

The utility model relates to a desilting car technical field especially relates to a cooling tower desilting car.

Background

In the long-term operation of a power plant boiler, a large amount of precipitated sludge is generated at the bottom of a water storage tank at the lower part of a cooling tower, so that the effective water storage amount is reduced, the volume of the cooling tower is reduced, the total amount of circulating water of the boiler is reduced, the circulating multiplying power is increased, the circulating water temperature is increased by 2-3 ℃, the vacuum of a pumping and condensing unit is reduced, the power generation efficiency is reduced, fuel is increased and mechanical abrasion is caused, the power generation operation cost is increased, particularly, the influence in high-temperature seasons in summer is more obvious, therefore, the sludge at the bottom of the water storage tank needs to be regularly cleaned, the existing cooling tower silt cleaning vehicle can be used for cleaning the sludge in the construction operation under the condition that the power plant boiler does not stop, the power plant stop can be avoided, after the power is transmitted by a diesel engine, an operator can control and start a winch, the sludge is dumped to a special conveying belt and is conveyed out, and the sludge can be cleaned.

But current cooling tower desilting car is not convenient for stably promote and unload with synchronous upset the scraper bowl, the current stay cord in generally going through the hoist engine promotes the scraper bowl, because the scraper bowl does not have stable location structure, make the in-process scraper bowl that promotes rock, and then cause the phenomenon that the silt in the scraper bowl was shaken out, promote simultaneously and overturn and unload and can not one step operation, need divide two to operate the completion, waste time and energy, can not satisfy the user demand, therefore we have proposed a cooling tower desilting car and have used in solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Based on the technical problem that the background art exists, the utility model provides a cooling tower desilting car.

The utility model provides a cooling tower dredging vehicle, including dredging vehicle body and operation panel and power transmission case set up on dredging vehicle body, the top of dredging vehicle body is fixed with the canopy, and the bottom of dredging vehicle body is rotated and is installed four steel wheels, bottom one side screw thread fixation of canopy has the driving motor who is located dredging vehicle body one side, and the output shaft end fixed mounting of driving motor has the first screw rod, and one side fixed mounting of dredging vehicle body has the fixed plate, and the fixed plate rotates the cover and establishes on the first screw rod, and the threaded sleeve is equipped with the removal seat on the first screw rod, and the bottom fixed mounting of fixed plate has two first locating levers, and the fixed plate activity cover is established on two first locating levers, and the fixed cover is equipped with same first stopper on two first locating levers, and first stopper cooperatees with the removal seat, the top of removal seat is seted up one side and is the first groove that the opening set up, the same rotating seat is rotatably installed between the inner walls of the two sides of the first groove, one side of the rotating seat, which is far away from the dredging vehicle body, extends out of the moving seat and is fixedly provided with a bucket, the inner wall of the bottom of the first groove is provided with a through hole with one side being provided with an opening, the distance between the inner walls of the two sides of the through hole is larger than the distance between the front side and the rear side of the bucket, the inner wall of the bottom of the first groove is provided with a first through hole, the inner wall of one side of the first through hole, which is far away from the dredging vehicle body, is rotatably provided with a second screw rod, the top of the moving seat is provided with a second through hole, one end of the second screw rod extends into the second through hole and is rotatably installed with the inner wall of one side, which is close to the dredging vehicle body, a gear positioned in the second through hole is fixedly sleeved on the second screw rod, a toothed plate fixedly installed at, the top of movable plate articulates there is the connecting rod that two slopes set up, and the top of connecting rod extends to first inslot and is articulated with the bottom of rotating the seat, fixed mounting has two second locating levers between the both sides inner wall that dredging car body was kept away from to first through-hole, and movable sleeve of movable plate is established on two second locating levers, fixed cover is equipped with the second stopper on two second locating levers, and the second stopper cooperatees with the movable plate.

Preferably, two first rectangular holes have been seted up to top one side of removing the seat, and first locating lever is located the first rectangular hole that corresponds, and all nested two first balls have all been seted up to the both sides of first rectangular hole on the inner wall of the both sides of first rectangular hole, first ball groove has all been seted up to the both sides of first locating lever, and first ball is located the first ball inslot that corresponds, the outside of first ball and the lateral wall rolling contact in the first ball groove that corresponds.

Preferably, the bottom end of the first locating rod is fixedly provided with an anti-falling block, and the top of the anti-falling block is in movable contact with the bottom of the moving seat.

Preferably, two second rectangular holes have been seted up to one side of movable plate, and the second locating lever is located the second rectangular hole that corresponds, and all nested two second balls have all been seted up to the top inner wall in second rectangular hole and bottom inner wall, and the second ball groove has all been seted up to the top and the bottom of second locating lever, and the second ball is located the second ball inslot that corresponds, the outside of second ball and the lateral wall rolling contact in second ball groove that corresponds.

Preferably, the top of the moving seat is provided with a first threaded hole, and the first threaded hole is in threaded connection with the first screw rod.

Preferably, one side of the moving plate is provided with a second threaded hole, and the second threaded hole is in threaded connection with the second screw rod.

Preferably, a limiting baffle is fixedly mounted on the inner wall of the bottom of the first groove, and the top of the limiting baffle is in movable contact with the bottom of the rotating seat.

Preferably, the same circular hole is formed between the inner wall of one side, close to the dredging vehicle body, of the first through hole and the inner wall of one side, far away from the dredging vehicle body, of the second through hole, the first bearing is sleeved in the circular hole in a fixed mode, and the inner ring of the first bearing is sleeved with the outer side of the second screw in a fixed mode.

Preferably, the inner walls of the two sides of the first groove are fixedly provided with second bearings, second pin shafts are fixedly sleeved in the second bearings, and one ends, close to each other, of the two second pin shafts are fixedly connected with the two sides of the rotating seat respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

through the matching of the dredging vehicle body, the canopy, the operating platform, the power transmission box, the steel wheel, the driving motor, the fixed plate, the first screw rod, the first positioning rod, the movable seat, the first groove and the rotating seat with the bucket, the dredging vehicle body is moved leftwards, the scraper bucket is driven to move leftwards and the sludge is cleaned, the cleaned sludge is positioned in the scraper bucket, the dredging vehicle body is moved to a specified position, the driving motor is started in the positive direction to drive the first screw rod to rotate, the first screw rod drives the movable seat to move upwards on the two first positioning rods while rotating, the movable seat drives the first balls to roll in the corresponding first ball grooves, the scraper bucket is driven to move upwards by the rotating seat while the movable seat moves, the bucket is gradually lifted, and the first screw rod is matched with the two first positioning rods, so that the bucket can be stably lifted, and the bucket is prevented from shaking in the lifting process;

through the cooperation of the dredging vehicle body, the steel wheel, the toothed plate, the through hole, the second through hole, the first rectangular hole, the first ball groove, the first ball, the first through hole, the second screw, the moving plate, the gear, the connecting rod, the second positioning rod, the second limiting block, the first limiting block and the anti-falling block, the moving seat moves upwards while driving the gear to move upwards through the second screw, the toothed plate is gradually positioned in the second through hole and meshed with the gear along with the gradual movement of the moving seat, the gear continues to move upwards while rotating positively, the gear drives the second screw to rotate positively, the second screw rotates while driving the moving plate to move, the moving plate drives the second ball to roll in the corresponding second ball groove, the moving plate simultaneously extrudes the rotating seat through the two connecting rods, so that the rotating seat drives the scraper bucket to turn over counterclockwise along with the turnover of the scraper bucket, the silt in the bucket gradually falls to a designated position along the inclination of the bucket.

The utility model relates to a rationally, convenient operation is convenient for promote and overturn the scraper bowl for promote and overturn and unload in step and go on, do not need two steps of operations, and the setting of first screw rod and second screw rod, guaranteed the scraper bowl and at the stability that promotes the in-process, avoid appearing the scraper bowl and rock the phenomenon that silt dropped at the promotion in-process, satisfy the user demand.

Drawings

FIG. 1 is a schematic cross-sectional view of a cooling tower dredging vehicle with a bucket at the lowest position;

FIG. 2 is a schematic view of part A of FIG. 1;

FIG. 3 is a schematic structural view of part B of FIG. 2;

FIG. 4 is a schematic cross-sectional view of a bucket of a cooling tower dredging vehicle in an uppermost position and in a turning state;

fig. 5 is a schematic perspective view of the second positioning rod in fig. 3.

In the figure: 1 desilting car body, 2 canopy, 3 operation panels, 4 power transmission case, 5 steel wheels, 6 driving motor, 7 fixed plates, 8 first screw rods, 9 pinion rack, 10 first locating lever, 11 removal seats, 12 first grooves, 13 rotation seats, 14 perforation, 15 scraper buckets, 16 second through holes, 17 first rectangular holes, 18 first ball grooves, 19 first balls, 20 first through holes, 21 second screw rods, 22 moving plates, 23 gears, 24 connecting rods, 25 second locating levers, 26 second limiting blocks, 27 first limiting blocks, 28 anticreep piece.

Detailed Description

The present invention will be further explained with reference to the following embodiments.

Examples

Referring to fig. 1-5, the embodiment provides a cooling tower dredging vehicle, which comprises a dredging vehicle body 1, and an operation table 3 and a power transmission box 4 which are arranged on the dredging vehicle body 1, wherein a canopy 2 is fixedly arranged at the top of the dredging vehicle body 1, four steel wheels 5 are rotatably arranged at the bottom of the dredging vehicle body 1, a driving motor 6 positioned at one side of the dredging vehicle body 1 is fixedly arranged at one side of the bottom of the canopy 2 through screw threads, a first screw 8 is fixedly arranged at the end part of an output shaft of the driving motor 6, a fixed plate 7 is fixedly arranged at one side of the dredging vehicle body 1, the fixed plate 7 is rotatably sleeved on the first screw 8, a moving seat 11 is sleeved on the first screw 8 through screw threads, two first positioning rods 10 are fixedly arranged at the bottom of the fixed plate 7, the fixed plate 7 is movably sleeved on the two first positioning rods 10, the same first limiting block 27 is fixedly sleeved on the two first positioning rods 10, the first limiting block 27 is matched with the moving seat 11, the top of the moving seat 11 is provided with a first groove 12 with one side provided with an opening, the same rotating seat 13 is rotatably arranged between the inner walls at the two sides of the first groove 12, one side of the rotating seat 13, which is far away from the dredging vehicle body 1, extends to the outside of the moving seat 11 and is fixedly provided with a bucket 15, the inner wall at the bottom of the first groove 12 is provided with a through hole 14 with one side provided with an opening, the distance between the inner walls at the two sides of the through hole 14 is larger than the distance between the front side and the rear side of the bucket 15, the inner wall at the bottom of the first groove 12 is provided with a first through hole 20, the inner wall at one side of the first through hole 20, which is far away from the dredging vehicle body 1, is rotatably provided with a second screw rod 21, the top of the moving seat 11 is provided with a second through hole 16, one end of the second screw rod 21 extends into the second through hole 16 and is rotatably arranged with the inner, the utility model relates to a convenient operation, which is characterized in that a toothed plate 9 fixedly arranged at the bottom of a fixed plate 7 is arranged right above a gear 23, the toothed plate 9 is matched with the gear 23, a movable plate 22 positioned in a first through hole 20 is sleeved on a second screw 21 through threads, the top of the movable plate 22 is hinged with two connecting rods 24 which are obliquely arranged, the top ends of the connecting rods 24 extend into a first groove 12 and are hinged with the bottom of a rotating seat 13, two second positioning rods 25 are fixedly arranged between the inner walls of two sides of the first through hole 20 far away from a dredging vehicle body 1, the movable plate 22 is movably sleeved on the two second positioning rods 25, a second limiting block 26 is fixedly sleeved on the two second positioning rods 25, and the second limiting block 26 is matched with the movable plate 22, the stability of the bucket 15 in the lifting process is guaranteed, the phenomenon that the bucket 15 shakes and drops sludge in the lifting process is avoided, and the use requirement is met.

In this embodiment, two first rectangular holes 17 are formed on one side of the top of the movable base 11, the first positioning rods 10 are located in the corresponding first rectangular holes 17, two first balls 19 are nested on the inner walls of the two sides of the first rectangular holes 17, first ball grooves 18 are formed on the two sides of the first positioning rods 10, the first balls 19 are located in the corresponding first ball grooves 18, the outer sides of the first balls 19 are in rolling contact with the side walls of the corresponding first ball grooves 18, an anti-falling block 28 is fixedly mounted at the bottom end of the first positioning rods 10, the top of the anti-falling block 28 is in movable contact with the bottom of the movable base 11, two second rectangular holes are formed on one side of the movable plate 22, the second positioning rods 25 are located in the corresponding second rectangular holes, two second balls are nested on the inner walls of the top and the bottom of the second rectangular holes, second ball grooves are formed on the top and the bottom of the second positioning rods 25, the second ball is positioned in the corresponding second ball groove, the outer side of the second ball is in rolling contact with the side wall of the corresponding second ball groove, the top of the moving seat 11 is provided with a first threaded hole, the first threaded hole is in threaded connection with the first screw 8, one side of the moving plate 22 is provided with a second threaded hole, the second threaded hole is in threaded connection with the second screw 21, the inner wall of the bottom of the first groove 12 is fixedly provided with a limit baffle, the top of the limit baffle is in movable contact with the bottom of the rotating seat 13, a same circular hole is formed between the inner wall of one side of the first through hole 20 close to the dredging vehicle body 1 and the inner wall of one side of the second through hole 16 far away from the dredging vehicle body 1, a first bearing is fixedly sleeved in the circular hole, the inner ring of the first bearing is fixedly sleeved with the outer side of the second screw 21, the inner walls of two sides of the first groove 12 are both fixedly provided with second bearings, the two ends, close to each other, of the second pin shafts are fixedly connected with the two sides of the rotating seat 13 respectively, the bucket lifting and overturning device is reasonable in design and convenient to operate, the bucket 15 is convenient to lift and overturn, so that lifting and overturning unloading are carried out synchronously, two-step operation is not needed, and the arrangement of the first screw rod 8 and the second screw rod 21 ensures the stability of the bucket 15 in the lifting process, the phenomenon that the bucket 15 shakes and falls off in the lifting process is avoided, and the use requirements are met.

In this embodiment, the dredging vehicle body 1 is moved leftwards, the dredging vehicle body 1 drives the first screw 8 to move leftwards through the fixing plate 7, the first screw 8 drives the moving seat 11 to move leftwards, the moving seat 11 drives the bucket 15 to move through the rotating seat 13, the bucket 15 moves and cleans sludge at the same time, the cleaned sludge is located in the bucket 15, when sludge needs to be poured to a specified position, the dredging vehicle body 1 is moved to the specified position, the driving motor 6 is started in the forward direction, the output shaft of the driving motor 6 drives the first screw 8 to rotate, under the action of the first threaded hole formed at the top of the moving seat 11, the first screw 8 rotates and drives the moving seat 11 to move upwards on the two first positioning rods 10, the moving seat 11 drives the first balls 19 to roll in the corresponding first ball grooves 18, the friction of the moving seat 11 in the moving process is reduced by the cooperation of the first balls 19 and the first ball grooves 18, the moving seat 11 moves and simultaneously drives the rotating seat 13 to move upwards, the rotating seat 13 drives the bucket 15 to move upwards, the moving seat 11 simultaneously drives the second screw rod 21 to move upwards, the second screw rod 21 drives the gear 23 to move upwards, along with the gradual movement of the moving seat 11, the toothed plate 9 gradually moves into the second through hole 16 and is meshed with the gear 23, the moving seat 11 continuously moves, and further the gear 23 moves upwards and simultaneously positively rotates, the gear 23 rotates and simultaneously drives the second screw rod 21 to positively rotate, under the action of a second threaded hole formed in one side of the moving plate 22, the moving plate 22 is driven to move towards a direction far away from the dredging vehicle body 1 while the second screw rod 21 rotates, the moving plate 22 drives the second ball to roll in the corresponding second ball groove, and the friction of the moving plate 22 in the moving process is reduced by the matching of the second ball and the second ball groove, the moving plate 22 pushes the two connecting rods 24 while moving, the pushing force drives the connecting rods 24 to move and rotate, so that the two connecting rods 24 push the rotating seat 13 simultaneously, the pushing force drives the rotating seat 13 to rotate anticlockwise, the rotating seat 13 drives the bucket 15 to turn over anticlockwise, the angle of the bucket 15 in the through hole 14 gradually inclines, at the moment, sludge in the bucket 15 gradually falls to a specified position along the inclination of the bucket 15, when the top of the moving seat 11 is contacted with the bottom of the first limiting block 27, one side of the moving plate 22 is contacted with one side of the second limiting block at the moment, the bucket 15 rotates to a maximum value, the bucket 15 is located at the highest position, after the bucket 15 is turned over and unloaded, the driving motor 6 is reversely started, the moving direction of the driving motor 16 is reversed similarly to the forward direction, so that the moving seat 11 moves downwards, the gear 23 moves downwards and reversely rotates, make the movable plate 22 to the direction position removal that is close to dredging vehicle body 1, movable plate 22 rotates seat 13 clockwise through two connecting rods 24 pulling, rotate seat 13 and drive scraper bowl 15 clockwise, when the bottom that rotates seat 13 contacts with limit baffle's top, scraper bowl 15 rotates to the horizontality this moment, and gear 23 and pinion rack 9 separate, driving motor 16 continues to work, when scraper bowl 15 is located the minimum, the stall for be convenient for promote and overturn and unload scraper bowl 15.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. A cooling tower dredging vehicle comprises a dredging vehicle body (1), and an operation table (3) and a power transmission box (4) which are arranged on the dredging vehicle body (1), wherein a canopy (2) is fixedly arranged at the top of the dredging vehicle body (1), four steel wheels (5) are rotatably arranged at the bottom of the dredging vehicle body (1), the cooling tower dredging vehicle is characterized in that a driving motor (6) positioned at one side of the dredging vehicle body (1) is fixedly arranged at one side of the bottom of the canopy (2) through threads, a first screw rod (8) is fixedly arranged at the end part of an output shaft of the driving motor (6), a fixed plate (7) is fixedly arranged at one side of the dredging vehicle body (1), the fixed plate (7) is rotatably sleeved on the first screw rod (8), a movable seat (11) is sleeved on the first screw rod (8) through threads, two first positioning rods (10) are fixedly arranged at the bottom of the fixed plate (7), the fixed plate (7) is movably sleeved on the two first positioning rods (10), the two first positioning rods (10) are fixedly sleeved with the same first limiting block (27), the first limiting block (27) is matched with the moving seat (11), the top of the moving seat (11) is provided with a first groove (12) with one side being provided with an opening, the inner walls of the two sides of the first groove (12) are rotatably provided with the same rotating seat (13), one side of the rotating seat (13) far away from the dredging vehicle body (1) extends to the outside of the moving seat (11) and is fixedly provided with a bucket (15), the inner wall of the bottom of the first groove (12) is provided with a through hole (14) with one side being provided with the opening, the distance between the inner walls of the two sides of the through hole (14) is larger than the distance between the front side and the rear side of the bucket (15), the inner wall of the bottom of the first groove (12) is provided with a first through hole (20), the inner wall of one side of the first through hole (20) far away from, a second through hole (16) is formed in the top of the moving seat (11), one end of a second screw rod (21) extends into the second through hole (16) and is rotatably installed with the inner wall of one side, close to the dredging vehicle body (1), of the second through hole (16), a gear (23) located in the second through hole (16) is fixedly sleeved on the second screw rod (21), a toothed plate (9) fixedly installed at the bottom of the fixed plate (7) is arranged right above the gear (23), the toothed plate (9) is matched with the gear (23), a moving plate (22) located in the first through hole (20) is sleeved on the second screw rod (21) in a threaded manner, two connecting rods (24) obliquely arranged are hinged to the top of the moving plate (22), the top ends of the connecting rods (24) extend into the first groove (12) and are hinged to the bottom of the rotating seat (13), two second positioning rods (25) are fixedly installed between the inner walls of two sides, far away from the dredging vehicle body (1), of the first through hole (20), the movable plate (22) is movably sleeved on the two second positioning rods (25), the two second positioning rods (25) are fixedly sleeved with second limiting blocks (26), and the second limiting blocks (26) are matched with the movable plate (22).

2. The cooling tower dredging vehicle according to claim 1, wherein two first rectangular holes (17) are formed in one side of the top of the moving seat (11), the first positioning rod (10) is located in the corresponding first rectangular hole (17), two first balls (19) are nested on inner walls of two sides of the first rectangular hole (17), first ball grooves (18) are formed in two sides of the first positioning rod (10), the first balls (19) are located in the corresponding first ball grooves (18), and outer sides of the first balls (19) are in rolling contact with side walls of the corresponding first ball grooves (18).

3. The cooling tower dredging vehicle as claimed in claim 1, wherein the bottom end of the first positioning rod (10) is fixedly provided with an anti-drop block (28), and the top of the anti-drop block (28) is movably contacted with the bottom of the movable seat (11).

4. The cooling tower dredging vehicle according to claim 1, wherein one side of the moving plate (22) is provided with two second rectangular holes, the second positioning rod (25) is located in the corresponding second rectangular hole, two second balls are nested on the top inner wall and the bottom inner wall of each second rectangular hole, the top and the bottom of each second positioning rod (25) are provided with second ball grooves, the second balls are located in the corresponding second ball grooves, and the outer sides of the second balls are in rolling contact with the side walls of the corresponding second ball grooves.

5. The cooling tower dredging vehicle as claimed in claim 1, wherein a first threaded hole is formed in the top of the movable seat (11), and the first threaded hole is in threaded connection with the first screw (8).

6. The cooling tower dredging vehicle as claimed in claim 1, wherein a second threaded hole is formed in one side of the moving plate (22), and the second threaded hole is in threaded connection with the second screw (21).

7. The cooling tower dredging vehicle as claimed in claim 1, wherein a limit baffle is fixedly arranged on the inner wall of the bottom of the first groove (12), and the top of the limit baffle is movably contacted with the bottom of the rotating seat (13).

8. The cooling tower dredging vehicle of claim 1, wherein a circular hole is formed between the inner wall of one side of the first through hole (20) close to the dredging vehicle body (1) and the inner wall of one side of the second through hole (16) far away from the dredging vehicle body (1), a first bearing is fixedly sleeved in the circular hole, and the inner ring of the first bearing is fixedly sleeved with the outer side of the second screw rod (21).

9. The cooling tower dredging vehicle as claimed in claim 1, wherein a second bearing is fixedly mounted on the inner wall of each side of the first groove (12), a second pin shaft is fixedly sleeved in the second bearing, and one end of each second pin shaft, which is close to each other, is fixedly connected with each side of the rotating seat (13).