阅读说明：本技术 一种冷却塔挡水装置 (Water retaining device of cooling tower ) 是由 俞林忠 于 2021-01-05 设计创作，主要内容包括：本发明公开了一种冷却塔挡水装置,包括壳体、四个挡水板均固定连接有转轴一,壳体四个外壁设有配合转轴一的连接耳,转轴一两端穿出连接耳,且固定连接有锥齿轮,壳体的一个外壁上设有两个安装耳,两个安装耳之间固定连接有滑杆,滑杆上滑动连接有滑动块,滑杆上还套接有弹簧一,弹簧一处于滑动块和下侧的安装耳之间,滑动块左右侧面均铰接有铰接条,且铰接条的另一端和对应的挡水板铰接,滑动块左右侧面的上侧位置均设有齿,壳体的外壁上还设有限制滑动块移动的限制单元,解除对滑动块的限制,在弹簧一作用下,滑动块上移,通过两个铰接条,将挡水板打开,限制单元固定滑动块,使挡水板固定,调整滑动块,调整挡水板的角度。(The invention discloses a cooling tower water retaining device, which comprises a shell, wherein four water retaining plates are fixedly connected with a first rotating shaft, the four outer walls of the shell are provided with connecting lugs matched with the first rotating shaft, two ends of the first rotating shaft penetrate through the connecting lugs and are fixedly connected with bevel gears, one outer wall of the shell is provided with two mounting lugs, a sliding rod is fixedly connected between the two mounting lugs, the sliding rod is connected with a sliding block in a sliding manner, the sliding rod is further sleeved with a first spring, the first spring is positioned between the sliding block and the mounting lug at the lower side, the left side and the right side of the sliding block are respectively hinged with a hinge strip, the other end of the hinge strip is hinged with the corresponding water retaining plate, the upper side positions of the left side and the right side of the sliding block are respectively provided with teeth, the outer wall of the shell is also provided with a limiting unit for limiting the, the limiting unit fixes the sliding block, so that the water baffle is fixed, and the sliding block and the angle of the water baffle are adjusted.)

1. A cooling tower water retaining device comprises a shell (1) and four water retaining plates (2), wherein the four water retaining plates (2) are rotatably connected with four outer walls of the shell (1), a circle of water receiving groove is formed in the bottom of the shell (1), and the water receiving groove is formed below the water retaining plates (2), the cooling tower water retaining device is characterized in that the four water retaining plates (2) are fixedly connected with a first rotating shaft, connecting lugs (11) matched with the first rotating shaft are arranged at the lower sides of the four outer walls of the shell (1), two ends of the first rotating shaft penetrate out of the connecting lugs (11), a penetrating part of the first rotating shaft is fixedly connected with a bevel gear (21), two mounting lugs (12) are arranged on one outer wall of the shell (1), a sliding rod (3) is fixedly connected between the two mounting lugs (12), a sliding block (4) is slidably connected onto the sliding rod (3), and a first spring (5) is further sleeved, spring (5) are in between mounting ear (12) of sliding block (4) and downside, the trailing flank of sliding block (4) and the laminating of casing (1) outer wall that corresponds, the downside position of side all articulates about sliding block (4) has articulated strip (6), and the other end of articulated strip (6) is articulated with breakwater (2) that correspond, the upside position of side all is equipped with the tooth about sliding block (4), still is equipped with restriction unit (7) that restriction sliding block (4) removed on the outer wall of casing (1).

2. The cooling tower water retaining device as claimed in claim 1, wherein the limiting unit (7) comprises two gears (71), a mounting frame (72) and a limiting assembly for limiting rotation of the gears (71), the mounting frame (72) comprises a concave portion (721), a bent portion (722) with two inward sides of a notch, the mounting frame (72) is fixedly connected with the housing (1), the sliding block (4) is located between the two bent portions (722), the two gears (71) are fixedly connected with a second rotating shaft, the second rotating shaft is rotatably connected with the bent portion (722) and the concave portion (721), the two gears (71) are respectively matched with teeth on two sides of the sliding block (4), one of the second rotating shaft exceeds the concave portion (721), and the second rotating shaft penetrates through the hand-operated wheel (73).

3. The cooling tower water retaining device according to claim 2, wherein the limiting assembly comprises a switching block (74), a rack (75) and an adjusting bolt (76), the front side surfaces of the two gears (71) exceed the front side surface of the sliding block (4), cylindrical rods (77) are welded and fixed on the left side and the right side of the concave part (721), the cylindrical rods (77) exceed the top surface of the concave part (721), the switching block (74) is provided with insertion holes matched with the two cylindrical rods (77), a second spring (771) is sleeved on the part, below the switching block (74), of the cylindrical rods (77), the rack (75) is connected with the bottom surface of the switching block (74), a connecting plate is fixedly connected to the top of the cylindrical rods (77), and threaded through holes matched with the adjusting bolt (76) are formed in the connecting plate.

4. The cooling tower water retaining device of claim 3, wherein the bottom surface of the adapter block (74) is provided with two extensions (741), the rack (75) is located between the two extensions (741), the top surface of the rack (75) is attached to the adapter block (74), two ends of the rack (75) are provided with second protruding columns, the extensions (741) are provided with through holes for the second protruding columns to pass through, the third protruding columns are sleeved with the third springs (751), and the third springs (751) are located between the extensions (741) and the rack (75).

5. The cooling tower water retaining device as claimed in claim 2, wherein the sliding block (4) is provided with a blind hole (41) on the bottom surface, and the upper portion of the first spring (5) is inserted into the blind hole (41).

6. Cooling tower water deflector according to claim 5, characterized in that when the bottom of the sliding block (4) and the mounting lugs (12) on the lower side are abutted, the water deflector (2) is closed and the sliding block (4) and the gear (71) are kept engaged, and when the top of the sliding block (4) and the mounting lugs (12) on the upper side are abutted, the opening angle of the water deflector (2) is the largest and the sliding block (4) and the gear (71) are kept engaged.

Technical Field

The invention relates to the technical field of cooling towers, in particular to a water retaining device of a cooling tower.

Background

The cooling tower is a common heat dissipation device, utilizes the contact of water and air, looses the waste heat that produces in the industry through the evaporation, all rotates on four outer walls of cooling tower generally and is connected with the breakwater, and during the washing, the breakwater rotates, makes breakwater and casing be certain angle, and the clear water touches with the breakwater like this, along the breakwater, finally falls into in the water receiving tank of below.

Chinese patent with application number CN201821320296.5 discloses a cooling tower water retaining device, it is more convenient in order to make drawing in of breakwater, four all be fixed with pivot one on the breakwater, rotate through pivot one with the last side of water receiving tank respectively and be connected, the breakwater with the side of keeping away from the water receiving tank and the outer wall butt of casing, the side that the water receiving tank was kept away from to the breakwater is equipped with the mounting groove, be equipped with the limiting plate in the mounting groove, be equipped with the spacing groove on the outer wall of casing, the limiting plate is pegged graft with the spacing groove, be equipped with the intercommunication groove on the outer wall of breakwater, intercommunication groove and mounting groove intercommunication, the breakwater is equipped with the connecting rod towards the side of intercommunication groove, the connecting rod passes the intercommunication.

When the angle of the water baffle is adjusted and limited, the operation is inconvenient.

Disclosure of Invention

The invention aims to provide a cooling tower water retaining device which has the advantage of being simpler and more convenient to operate.

The technical purpose of the invention is realized by the following technical scheme:

a cooling tower water retaining device comprises a shell and four water retaining plates, wherein the four water retaining plates are rotatably connected with four outer walls of the shell, a circle of water receiving groove is formed in the bottom of the shell and is arranged below the water retaining plates, a first rotating shaft is fixedly connected with the four water retaining plates, connecting lugs matched with the first rotating shaft are arranged at the lower side positions of the four outer walls of the shell, two ends of the first rotating shaft penetrate through the connecting lugs, a bevel gear is fixedly connected with a penetrating part of the first rotating shaft, two mounting lugs are arranged on one outer wall of the shell, a sliding rod is fixedly connected between the two mounting lugs, a sliding block is slidably connected onto the sliding rod, a first spring is further sleeved onto the sliding rod and is positioned between the sliding block and the mounting lug at the lower side, the rear side surface of the sliding block is attached to the corresponding outer wall of the shell, and hinge strips, and the other end of the hinge strip is hinged with the corresponding water baffle, the upper side positions of the left side and the right side of the sliding block are both provided with teeth, and the outer wall of the shell is also provided with a limiting unit for limiting the movement of the sliding block.

Adopt above-mentioned technical scheme, four breakwaters and four outer walls of casing rotate to be connected to four breakwaters can rotate together under bevel gear's effect, under the effect of spring one, the sliding block is by jack-up upwards, then through two articulated strips, opens the breakwater, fixes the sliding block through the restriction unit, thereby makes the breakwater fixed, the height of adjustment sliding block, the angle that just can adjust the breakwater and open.

Preferably, the restriction unit includes two gears, mounting bracket and restriction gear pivoted restriction subassembly, the mounting bracket includes concave type part, the inside bending part in notch both sides, mounting bracket and casing fixed connection, and the sliding block is in between two bending parts, two gear fixedly connected with pivot two, pivot two with bending part, concave type part rotate to be connected, two gears respectively with the tooth cooperation of sliding block both sides, one of them pivot two surpasss concave type part, and the hand wheel of fixedly connected with of wearing out of pivot two.

Adopt above-mentioned technical scheme, under the effect of spring one, the sliding block is by jack-up upwards, drives two gear antiport simultaneously, and after the breakwater opened suitable angle, through the restriction subassembly, the rotation of restriction gear to fixed the sliding block, fixed the breakwater, when needing to close the breakwater, remove the restriction to the gear, through the corresponding gear of hand wheel antiport, make the sliding block move down.

Preferably, the limiting assembly comprises a switching block, a rack and an adjusting bolt, the front side surfaces of the two gears exceed the front side surface of the sliding block, cylindrical rods are welded and fixed to the left side and the right side of the concave part and exceed the top surface of the concave part, the switching block is provided with insertion holes matched with the two cylindrical rods, a second spring is sleeved on the portion, below the switching block, of each cylindrical rod, the rack is connected with the bottom surface of the switching block, the top of each cylindrical rod is fixedly connected with a connecting plate, and a threaded through hole matched with the adjusting bolt is formed in the connecting plate.

By adopting the technical scheme, the two gears rotate in the directions, the rack moves downwards under the action of the adjusting bolt and is matched with the two gears at the same time, so that the two gears cannot rotate, the adjusting bolt is unscrewed, and under the action of the spring II, the rack is separated from the gears, and the gears can rotate.

Preferably, the bottom surface of the switching block is provided with two extension parts, the rack is located between the two extension parts, the top surface of the rack is attached to the switching block, two ends of the rack are provided with second protruding columns, the extension parts are provided with through holes for the second protruding columns to penetrate through, the third protruding columns are sleeved with third springs, and the third springs are located between the extension parts and the rack.

Adopt above-mentioned technical scheme, because the in-process that the sliding block removed, two gears just also rotate, so gear and rack probably can not just cooperate completely, can have a certain amount of slip between rack and the switching piece, like this rack and two gear complex in-process, the rack can control certain amplitude and remove, cooperation gear.

Preferably, the bottom surface of the sliding block is provided with a blind hole, and the upper part of the first spring is inserted into the blind hole.

Adopt above-mentioned technical scheme, save space, make the structure compacter, also make the sliding block bottom and the installation ear of downside can contradict simultaneously.

Preferably, the sliding block bottom surface is equipped with the blind hole, when the sliding block bottom was contradicted with the installation ear of downside, the breakwater was closed, and sliding block and gear keep cooperating, when the sliding block top was contradicted with the installation ear of upside, the breakwater open angle was the biggest, and sliding block and gear keep cooperating.

Adopt above-mentioned technical scheme, sliding block and two gears remain the cooperation throughout.

Drawings

FIG. 1 is a schematic view of a water dam closing structure according to an embodiment;

FIG. 2 is a schematic view illustrating an opening structure of the water guard plate according to the embodiment;

FIG. 3 is a schematic diagram of a limiting unit according to an embodiment.

Reference numerals: 1. a housing; 11. connecting lugs; 12. mounting lugs; 2. a water baffle; 21. a bevel gear; 3. a slide bar; 4. a slider; 41. blind holes; 5. a first spring; 6. a hinge strip; 7. a limiting unit; 71. a gear; 72. a mounting frame; 721. a concave portion; 722. a bending part; 73. a hand-operated wheel; 74. a transfer block; 741. an extension portion; 75. a rack; 751. a third spring; 76. adjusting the bolt; 77. a cylindrical rod; 771. a second spring; 78. a connecting plate.

Detailed Description

The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.

As shown in fig. 1 to 3, a cooling tower water retaining device comprises a housing 1 and four water retaining plates 2, wherein the four water retaining plates 2 are fixedly connected with a first rotating shaft, connecting lugs 11 matched with the first rotating shaft are arranged at the lower side positions of four outer walls of the housing 1, two ends of the first rotating shaft penetrate through the connecting lugs 11, and a penetrating part of the first rotating shaft is fixedly connected with a bevel gear 7121, so that the four water retaining plates 2 are rotatably connected with the four outer walls of the housing 1, the four water retaining plates 2 can rotate together under the action of the bevel gear 7121, a circle of water receiving groove is arranged at the bottom of the housing 1, and the water receiving groove is arranged below the water retaining plates 2 (the water receiving groove is not shown in the figure.

Be equipped with two installation ears 12 on the outer wall of casing 1, fixedly connected with slide bar 3 between two installation ears 12, sliding connection has sliding block 4 on slide bar 3, be equipped with the through-hole of cooperation slide bar 3 on sliding block 4, and the trailing flank of sliding block 4 and the laminating of the 1 outer wall of casing that corresponds, restrict sliding block 4's rotation like this, make sliding block 4 can only reciprocate along slide bar 3, spring 5 has still been cup jointed on the slide bar 3, spring 5 is in between installation ear 12 of sliding block 4 and downside, in order to save space, it is more compact to make the structure, sliding block 4 bottom surface is equipped with blind hole 41, blind hole 41 is inserted to spring 5's top.

All articulated strip 6 of downside position of side about sliding block 4, and articulated strip 6's the other end and the breakwater 2 that corresponds are articulated, the upside position of side all is equipped with the tooth about sliding block 4, still be equipped with the restriction unit 7 that restriction sliding block 4 removed on the outer wall of casing 1, like this under the effect of spring 5, sliding block 4 is upwards jack-up, then through two articulated strip 6, open breakwater 2, fix sliding block 4 through restriction unit 7, thereby make breakwater 2 fixed, the height of adjustment sliding block 4, the angle that breakwater 2 opened just can be adjusted.

Limiting unit 7 includes two gears 71, mounting bracket 72 and limiting gear 71 pivoted restriction subassembly, mounting bracket 72 includes concave type part 721, the inward bending part 722 in notch both sides, mounting bracket 72 and casing 1 fixed connection, and sliding block 4 is in between two bending parts 722, two gear 71 fixedly connected with pivot two, pivot two and bending part 722, concave type part 721 rotates and connects, and two gears 71 respectively with the tooth cooperation of sliding block 4 both sides, like this under the effect of spring 5, sliding block 4 is upwards jack-up, drive two gear 71 antiport simultaneously, two gear 71's one of them pivot two surpasss concave type part 721, and the fixed fixedly connected with hand wheel 73 that wears out of pivot two, when need closing breakwater 2 like this, through hand wheel 73 antiport corresponding gear 71, make sliding block 4 move down.

And controlling the position of the gear 71, when the bottom of the sliding block 4 is abutted with the mounting lug 12 at the lower side, the water baffle 2 is closed, and the sliding block 4 and the gear 71 are kept matched, when the top of the sliding block 4 is abutted with the mounting lug 12 at the upper side, the opening angle of the water baffle 2 is maximum, and the sliding block 4 and the gear 71 are kept matched, namely the sliding block 4 is always kept matched with the gear 71.

The limiting assembly comprises a transfer block 74, a rack 75 and an adjusting bolt 76, the front side surfaces of two gears 71 exceed the front side surface of the sliding block 4, cylindrical rods 77 are welded and fixed on the left side and the right side of the concave part 721, the cylindrical rods 77 exceed the top surface of the concave part 721, the transfer block 74 is provided with insertion holes matched with the two cylindrical rods 77, a spring bi 771 is sleeved on the part of the cylindrical rods 77 below the transfer block 74, the rack 75 is connected with the bottom surface of the transfer block 74, a connecting plate is fixedly connected to the top of the cylindrical rods 77, threaded through holes matched with the adjusting bolt 76 are formed in the connecting plate, the transfer block 74 is jacked up under the action of the spring bi 771, the rack 75 is separated from the two gears 71, the rotation of the two gears 71 is not influenced, when the movement of the sliding block 4 needs to be limited, the adjusting bolt 76 is rotated.

Since the two gears 71 just rotate during the movement of the sliding block 4, the gear 71 and the rack 75 may not be completely matched, and the fine adjustment of the gear 71 is needed, so as not to adjust the gear 71, it can be arranged that: two extending parts 741 are arranged on the bottom surface of the switching block 74, the rack 75 is located between the two extending parts 741, the top surface of the rack 75 is attached to the switching block 74, two ends of the rack 75 are provided with second protruding columns, the extending parts 741 are provided with through holes for the second protruding columns to pass through, namely, a certain amount of sliding can be achieved between the rack 75 and the switching block 74, the third springs 751 are sleeved on the second protruding columns, and the third springs 751 are located between the extending parts 741 and the rack 75, so that in the process that the rack 75 is matched with the two gears 71, the rack 75 can move left and right in a certain range, and therefore the gear 71 does not need to be.

Briefly describing the working principle of the invention, initially, the bottom of the sliding block 4 is abutted against the mounting lug 12 on the lower side, the water baffle 2 is in a vertical state, the rack 75 is matched with the two gears 71, when the water baffle 2 needs to be opened, the hand-operated wheel 73 is held, the adjusting bolt 76 is loosened, the rack 75 is separated from the two gears 71, the hand-operated wheel 73 is slightly loosened to enable the hand-operated wheel 73 to rotate, under the action of the spring I5, the sliding block 4 moves upwards to open the water baffle 2, when the water baffle 2 is opened to a proper angle, the hand-operated wheel 73 is held, the adjusting bolt 76 is screwed, the rack 75 is matched with the two gears 71, when the water baffle 2 is closed, the hand-operated wheel 73 is held, the adjusting bolt 76 is loosened, then the hand-operated wheel 73 is rotated reversely to enable the.