CN117366205A - Gear box for cooling water tower - Google Patents
Gear box for cooling water tower Download PDFInfo
- Publication number
- CN117366205A CN117366205A CN202311679500.8A CN202311679500A CN117366205A CN 117366205 A CN117366205 A CN 117366205A CN 202311679500 A CN202311679500 A CN 202311679500A CN 117366205 A CN117366205 A CN 117366205A
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- China
- Prior art keywords
- fixing
- gear box
- cooling water
- rubber pad
- support frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000498 cooling water Substances 0.000 title claims abstract description 59
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 60
- 239000010959 steel Substances 0.000 claims description 60
- 238000004804 winding Methods 0.000 claims description 39
- 238000001816 cooling Methods 0.000 claims description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 30
- 238000009434 installation Methods 0.000 description 11
- 230000009467 reduction Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 230000001603 reducing effect Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/025—Support of gearboxes, e.g. torque arms, or attachment to other devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention belongs to the technical field of cooling water towers, in particular to a gear box for a cooling water tower, which comprises a lower shell and an upper shell, wherein a motor is arranged on the upper shell, and the gear box is arranged on a support frame on the cooling water tower through the lower shell; the edge of the lower shell is provided with a fixing part, a rubber pad is arranged between the fixing part and the support frame, and the fixing part is arranged on the support frame through a fixing bolt; the rubber pad is provided with a fixing hole penetrating through the fixing part and the supporting frame, the fixing bolt is positioned in the fixing hole, the rubber pad is provided with a limiting hole, limiting rods are arranged on opposite side surfaces of the fixing part and the supporting frame through threads, the limiting rods are inserted into the limiting holes, and the fixing part and the limiting rods on the supporting frame are distributed in a staggered mode; the invention has simple structure, can isolate and reduce the vibration generated during the operation of the gear box, and avoid the vibration from influencing the normal operation of the cooling water tower and generating noise.
Description
Technical Field
The invention belongs to the technical field of cooling water towers, and particularly relates to a gearbox for a cooling water tower.
Background
The cooling tower device drives the fan to rotate through the speed reducer to cause airflow circulation in the tower, and hot airflow after heat exchange with water is brought out, so that cooling is achieved. The traditional cooling tower has no good silencing design, so that the water spraying noise of the cooling tower and the running noise of the fan generate serious ultrasonic pollution to the surrounding environment, the application of the cooling tower on civil refrigeration equipment is seriously restricted, and the speed reducer is arranged at the top end of the central water inlet pipe of the cooling tower, so that the tower body is prevented from being extruded and dynamically loaded by the fan and the speed reducer, the service life of the cooling tower body is prolonged, the performance is improved, and the manufacturing cost and noise of the cooling tower are reduced.
When the decelerator is connected to the cooling tower, a manner of connecting the decelerator casing to the net frame at the upper part of the cooling tower by screws is generally adopted. However, as the output shaft of the speed reducer is connected with the fan, the fan rotates to drive the speed reducer to shake greatly during operation, so that the speed reducer shakes relatively to the net rack to generate larger noise.
Disclosure of Invention
In order to make up the deficiency of the prior art, the vibration generated during the operation of the gear box is isolated and reduced, and the vibration is prevented from influencing the normal operation of the cooling water tower and generating noise.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a gear box for a cooling water tower, which comprises a lower shell and an upper shell, wherein a motor is arranged on the upper shell, and the gear box is arranged on a support frame on the cooling water tower through the lower shell;
the edge of the lower shell is provided with a fixing part, a rubber pad is arranged between the fixing part and the support frame, and the fixing part is arranged on the support frame through a fixing bolt;
the rubber pad is provided with a fixing hole which penetrates through the fixing part and the supporting frame, the fixing bolt is located in the fixing hole, the rubber pad is provided with a limiting hole, limiting rods are arranged on the opposite side surfaces of the fixing part and the supporting frame through threads, the limiting rods are inserted into the limiting holes, and the limiting rods on the fixing part and the supporting frame are distributed in a staggered mode.
Preferably, the depth of the limiting hole is greater than the length of the limiting rod.
Preferably, the fixing bolt comprises a connecting part and a locking part, wherein a steel rope is arranged on the connecting part, the steel rope penetrates through a fixing hole in the rubber pad, and the connecting part and the locking part are connected with each other through the steel rope;
the locking part is rotatably provided with a winding rod, the winding rod is provided with a nut, and one end of the steel rope far away from the connecting part is fixed on the winding rod.
Preferably, the locking part is provided with through holes distributed along the axial direction, the steel rope penetrates into the through holes, the winding rod is provided with V-shaped clamping grooves, the openings of the clamping grooves face the nuts, the diameter of one end of each winding rod, on which the nut is mounted, is smaller than that of the other end of each winding rod, and the steel rope is clamped into the corresponding clamping groove.
Preferably, a positioning column is arranged on the surface of the connecting part, which is opposite to the locking part, and is provided with a spacer, the positioning column is inserted into the fixing hole, and the length of the positioning column is smaller than the depth of the fixing hole on the fixing part and the supporting frame.
Preferably, the rubber pad is obtained by laminating and bonding a plurality of rubber sheets.
Preferably, a reinforcing net is arranged between the rubber sheets, the reinforcing net is made by punching a thin metal sheet or welding a thin metal strip, and the surface of the thin metal sheet or the thin metal strip is frosted.
Preferably, the surface of the clamping groove is provided with a protrusion, the cross section of the protrusion is triangular, and the length direction of the protrusion is perpendicular to the length direction of the fixing bolt.
The beneficial effects of the invention are as follows:
1. according to the gearbox for the cooling water tower, the fixing part, the rubber pad, the support frame, the fixing bolt, the isolation pad, the limiting rod and the limiting hole are arranged, so that the gearbox and the support frame are relatively isolated under the condition of ensuring the fixing effect of the gearbox, direct and rigid connection is avoided, the gearbox is connected with the support frame and the cooling water tower through the rubber pad, vibration in the horizontal direction and the vertical direction generated in the operation of the gearbox is conveniently isolated and reduced by the rubber pad, and the vibration is prevented from being transmitted to the support frame, so that the normal use of the cooling water tower and noise are influenced.
2. According to the gearbox for the cooling water tower, the connecting part, the locking part, the steel rope, the winding rod, the nut, the clamping groove and the bulge are arranged, so that the steel rope is connected with the winding rod conveniently during the installation time of workers, the connection reliability between the steel rope and the winding rod is ensured, the sliding between the steel rope and the clamping groove is avoided, the fixing safety of the gearbox is influenced, meanwhile, the winding rod is locked by the nut after the steel rope is tensioned, and the steel rope is prevented from being separated from the winding rod again, and the fixing stability and the safety in use of the gearbox are influenced.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a front view of the gearbox of the present invention after installation;
FIG. 2 is a partial cross-sectional view of the upper fixed portion of the gear case and rubber pad of the present invention;
FIG. 3 is a schematic view of the structure of the securing latch in the gearbox of the present invention;
FIG. 4 is a schematic view of the structure of the position of the upper fixing part of the gear case and the corresponding position of the supporting frame;
FIG. 5 is an enlarged view of a portion of FIG. 2 at A;
FIG. 6 is an enlarged view of a portion of FIG. 3 at B;
in the figure: the motor 1, the lower shell 11, the upper shell 12, the fixing part 13, the supporting frame 2, the rubber pad 3, the fixing hole 31, the limiting hole 32, the reinforcing net 33, the fixing bolt 4, the connecting part 41, the locking part 42, the winding rod 421, the nut 422, the clamping groove 423, the bulge 424, the isolation pad 43, the positioning column 44, the steel rope 45 and the limiting rod 5.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 6, the gear box for the cooling water tower of the present invention comprises a lower shell 11 and an upper shell 12, wherein a motor 1 is installed on the upper shell 12, and the gear box is installed on a supporting frame 2 on the cooling water tower through the lower shell 11;
a fixing part 13 is arranged at the edge of the lower shell 11, a rubber pad 3 is arranged between the fixing part 13 and the support frame 2, and the fixing part 13 is arranged on the support frame 2 through a fixing bolt 4;
the rubber pad 3 is provided with a fixing hole 31 penetrating through the fixing part 13 and the support frame 2, the fixing bolt 4 is positioned in the fixing hole 31, the rubber pad 3 is provided with a limiting hole 32, limiting rods 5 are arranged on opposite side surfaces of the fixing part 13 and the support frame 2 through threads, the limiting rods 5 are inserted into the limiting holes 32, and the limiting rods 5 on the fixing part 13 and the support frame 2 are distributed in a staggered mode;
after the gear box is connected with the motor 1, the gear box is hoisted to the cooling water tower, so that the gear box is mounted to the cooling water tower, normal operation of the cooling water tower is guaranteed, meanwhile, the fixing part 13 is arranged at the edge of the lower shell 11 of the gear box, so that the gear box is fixed to the support frame 2 on the cooling water tower through the fixing part 13, the mounting stability of the gear box is guaranteed, and meanwhile, when the gear box is mounted, the gear box and the cooling water tower are relatively isolated through the rubber gasket 3 arranged between the fixing part 13 and the support frame 2, so that vibration generated in the operation process of the gear box and the cooling water tower are mutually isolated and reduced, noise and vibration generated in the operation process of the gear box are avoided, and normal use of the cooling water tower is influenced;
meanwhile, through the limiting rod 5 arranged on the fixing part 13 and the support frame 2, after the gear box is installed, the limiting rod 5 can be inserted into the limiting hole on the rubber pad 3, so that when vibration is generated in the operation of the gear box, the vibration of the gear box in the horizontal direction is also transmitted to the rubber pad 3 and can be blocked by the rubber pad 3, the vibration of the gear box in the horizontal direction is isolated and reduced, the vibration is prevented from being transmitted to the support frame 2 and the cooling water tower, the normal use of the cooling water tower and noise generation are influenced, meanwhile, further, the gear box is fully contacted with the rubber pad 3 under the action of gravity and the fixing bolt 4 in the vertical direction and transmits acting force, and the vibration of the gear box in the vertical direction is isolated and reduced by utilizing the characteristics of the rubber pad 3, so that the vibration in the vertical direction and the horizontal direction is isolated and weakened, the vibration damping and buffering effects of the gear box are improved, the vibration generated in the operation process of the gear box is prevented from being transmitted to the support frame 2 and the cooling water tower, and the noise generation is reduced, and the normal use of the cooling water tower is guaranteed.
As an embodiment of the present invention, the depth of the limiting hole 32 is greater than the length of the limiting rod 5;
after the gearbox is mounted on the support frame 2 on the cooling water tower, the fixing part 13 on the gearbox and the limiting rod 5 on the support frame 2 are inserted into the limiting hole 32 in the rubber gasket 3, and a gap exists between the end part of the limiting rod 5 and the bottom of the limiting hole 32, so that when vibration is generated in the operation of the gearbox, the rubber gasket 3 can deform in the vertical direction, vibration in the vertical direction is isolated and reduced, the vibration reduction effect on the gearbox is improved, the vibration is prevented from being transmitted to the support frame 2 and the cooling water tower, the normal use of the cooling water tower is influenced, noise is generated, meanwhile, the mounting allowance of the gearbox can be also given through the fact that the length of the limiting hole is larger than the length of the limiting rod 5, and excessive extrusion to the rubber gasket 3 is avoided when the weight of the gearbox, the blades, the motor 1 and the like is excessively fastened, the limiting rod 5 is abutted between the fixing part 13 and the support frame 2, and the vibration reduction effect on the vibration of the gearbox is influenced.
As one embodiment of the present invention, the fixing bolt 4 includes a connecting portion 41 and a locking portion 42, wherein a steel wire 45 is mounted on the connecting portion 41, the steel wire 45 passes through the fixing hole 31 on the rubber pad 3, and the connecting portion 41 and the locking portion 42 are connected with each other through the steel wire 45;
the locking part 42 is rotatably provided with a winding rod 421, the winding rod 421 is provided with a nut 422, and one end of the steel rope 45 far away from the connecting part 41 is fixed on the winding rod 421;
through the steel rope 45 connection between the connecting part 41 and the locking part 42, the fixing bolt 4 has a vertical pulling force on the gear box and the support frame 2, the stability of the installation of the gear box on the support frame 2 is ensured, meanwhile, the connection between the gear box and the support frame 2 is also elastic, when the connection is avoided by using bolts, the direct and rigid connection exists between the gear box and the support frame 2, and when the gear box vibrates, the vibration can be transmitted to the support frame 2 and the cooling water tower through the rigid connection between the fixing part 13 and the support frame 2, the normal use of the cooling water tower is affected, and noise is generated, meanwhile, the gear box and the support frame 2 are not directly and rigidly connected through the fixing bolt 4 which is elastically connected and the cooperation of the rubber pad 3, and the vibration generated in the operation of the gear box can be transmitted through the rubber pad 3 as much as possible, so that the vibration is isolated and reduced by using the rubber pad 3, and the normal use of the cooling water tower is ensured, and the noise is avoided;
meanwhile, when the gear box is installed, the connecting part 41 and the steel rope 45 on the fixing bolt 4 pass through the fixing hole 31, then the lower end of the steel rope 45 is connected to the winding rod 421 on the locking part 42, the winding rod 421 is rotated by a tool, the steel rope 45 is wound on the winding rod 421 so as to tighten the steel rope 45, the fixing part 13 and the support frame 2 are fixed, and meanwhile, after the steel rope 45 is tightened, the nut 422 on the winding rod 421 is screwed so as to mutually fix the winding rod 421 and the locking part 42, the steel rope 45 wound on the winding rod 421 is prevented from being separated again in subsequent use, the fixing effect of the gear box is affected, and potential safety hazards are generated in the use of the cooling water tower.
As an embodiment of the present invention, the locking portion 42 is provided with through holes distributed along an axial direction, the steel rope 45 penetrates into the through holes, the winding rod 421 is provided with a V-shaped clamping groove 423, an opening of the clamping groove 423 faces the nut 422, one end of the winding rod 421, on which the nut 422 is mounted, has a smaller diameter than the other end, and the steel rope 45 is clamped into the clamping groove 423;
because the one end diameter of reel pole 421 installation nut 422 is less to the draw-in groove 423 on the reel pole 421 is the V-arrangement, thereby when screwing up the nut 422 on the reel pole 421, can make nut 422 extrude two lateral walls of draw-in groove 423, even the opening of draw-in groove 423 is close to each other, carry out abundant extrusion, fix to the steel cable 45 that inserts in the draw-in groove 423, avoid steel cable 45 to appear sliding in draw-in groove 423, influence the tensioning to steel cable 45 and the fixed effect to the gear box, simultaneously, in the gear box installation, utilize open-ended draw-in groove 423 and the effect that the draw-in groove 423 was locked under the nut 422, be convenient for with steel cable 45 joint in draw-in groove 423, and coil up steel cable 45 on the reel pole 421, thereby avoid the in-process staff to be inconvenient for with steel cable 45 fixed to the reel pole 421, influence the installation effectiveness of gear box.
As an embodiment of the present invention, a positioning post 44 is disposed on a surface of the connecting portion 41 opposite to the locking portion 42, the positioning post 44 is provided with a spacer 43, the positioning post 44 is inserted into the fixing hole 31, and the length of the positioning post 44 is smaller than the depth of the fixing hole 31 on the fixing portion 13 and the supporting frame 2;
through setting up reference column 44 for connecting portion 41 and the locking portion 42 that constitutes dead bolt 4 can be accurate location with stay in the position that corresponds on fixed part 13 and support frame 2, avoid connecting portion 41 and locking portion 42 appear moving in the use, lead to the wire rope 45 between connecting portion 41 and the locking portion 42 to appear crooked, the skew in fixed orifices 31, and then make wire rope 45 and the edge of fixed orifices 31, the inner wall appear contact and friction, influence effect and the security of fixing the gear box, simultaneously, fix a position through reference column 44 and fix the back to the dead leg portion and locking portion 42, also can reduce the degree of difficulty of staff in the installation, make things convenient for the installation of staff, simultaneously, through installing the damping pad on reference column 44, further make the contact between dead bolt 4 and fixed part 13, the support frame 2 keep apart, avoid having direct, rigid connection, thereby keep apart the vibration that produces in the gear box operation, avoid vibration transmission to support frame 2 and the water tower on, lead to producing noise and influence the normal use of cooling tower.
As one embodiment of the present invention, the rubber pad 3 is obtained by laminating and bonding a plurality of rubber sheets;
the rubber pad 3 is formed by laminating and bonding the plurality of rubber sheets, so that the bearing effect of the rubber pad 3 is improved, the rubber pad 3 is prevented from being deformed by extrusion, the vibration reduction effect of the rubber pad 3 is affected, meanwhile, the plurality of layers of rubber sheets are utilized for laminating and bonding, the rubber pad 3 can generate larger obstruction and reduction effects on vibration transmission, the isolation and reduction effects on vibration generated in the operation of a gear box are further improved, the vibration is prevented from being transmitted to the support frame 2 and the cooling tower, and the normal use of the cooling tower is guaranteed and noise is prevented from being generated.
As one embodiment of the present invention, a reinforcing mesh 33 is disposed between the rubber sheets, the reinforcing mesh 33 is made by punching a thin metal sheet or welding a thin metal strip, and the surface of the thin metal sheet or the thin metal strip is frosted;
set up reinforcing net 33 between the sheet rubber, strengthen the structure of rubber pad 3, avoid rubber pad 3 to appear cracking, impaired possibility, guarantee the normal use of rubber point, simultaneously, through the reinforcing net 33 that sets up, improve the bearing capacity of rubber pad 3, and then under the circumstances of guaranteeing the fixed effect of gear box, guarantee that rubber pad 3 has good damping cushioning effect, reduce vibration transfer to support frame 2 and cooling tower on the possibility, guarantee cooling tower's normal work, simultaneously, through frosting, improve the bonding effect between reinforcing net 33 and the sheet rubber, avoid appearing the condition of mutual separation, fracture between the sheet rubber of constituteing rubber pad 3, influence the normal use of rubber pad 3.
As an embodiment of the present invention, the surface of the clamping groove 423 is provided with a protrusion 424, the cross section of the protrusion 424 is triangular, and the length direction of the protrusion 424 is perpendicular to the length direction of the fixing bolt 4;
through set up protruding 424 on the surface in draw-in groove 423 to when draw-in groove 423 presss from both sides tightly, locks steel cable 45, avoid appearing sliding between steel cable 45 and the draw-in groove 423, influence the locking effect to steel cable 45, and avoid sliding appearing between steel cable 45 and the draw-in groove 423, lead to the fixed effect to the gear box to receive the influence, produce the potential safety hazard.
The specific working procedure is as follows:
after the gear box is connected with the motor 1, the gear box is hoisted to the cooling water tower, so that the gear box is mounted to the cooling water tower, normal operation of the cooling water tower is guaranteed, meanwhile, the fixing part 13 is arranged at the edge of the lower shell 11 of the gear box, so that the gear box is fixed to the support frame 2 on the cooling water tower through the fixing part 13, the mounting stability of the gear box is guaranteed, and meanwhile, when the gear box is mounted, the gear box and the cooling water tower are relatively isolated through the rubber gasket 3 arranged between the fixing part 13 and the support frame 2, so that vibration generated in the operation process of the gear box and the cooling water tower are mutually isolated and reduced, noise and vibration generated in the operation process of the gear box are avoided, and normal use of the cooling water tower is influenced;
meanwhile, through the limiting rod 5 arranged on the fixing part 13 and the support frame 2, after the gear box is installed, the limiting rod 5 is inserted into the limiting hole on the rubber pad 3, so that when vibration is generated in the operation of the gear box, the vibration of the gear box in the horizontal direction is also transmitted to the rubber pad 3 and can be blocked by the rubber pad 3, the vibration of the gear box in the horizontal direction is isolated and reduced, the vibration is prevented from being transmitted to the support frame 2 and the cooling water tower, the normal use of the cooling water tower and noise are influenced, meanwhile, the gear box is fully contacted with the rubber pad 3 under the action of gravity and the fixing bolt 4 in the vertical direction and the acting force is transmitted, the vibration of the gear box in the vertical direction is isolated and reduced by utilizing the characteristics of the rubber pad 3, the vibration in the vertical direction and the horizontal direction is isolated and weakened, the vibration damping and buffering effects of the gear box are improved, the vibration generated in the operation process of the gear box is prevented from being transmitted to the support frame 2 and the cooling water tower, the noise is reduced, and the normal use of the cooling water tower is guaranteed;
after the gearbox is mounted on the support frame 2 on the cooling water tower, the fixing part 13 on the gearbox and the limiting rod 5 on the support frame 2 are inserted into the limiting hole 32 in the rubber gasket 3, and a space exists between the end part of the limiting rod 5 and the bottom of the limiting hole 32, so that when vibration is generated in the operation of the gearbox, the rubber gasket 3 can deform in the vertical direction, the vibration in the vertical direction is isolated and reduced, the vibration reduction effect on the vibration generated by the gearbox is improved, the vibration is prevented from being transmitted to the support frame 2 and the cooling water tower, the normal use of the cooling water tower is influenced, noise is generated, meanwhile, the mounting allowance of the gearbox can be also given through the fact that the length of the limiting hole is larger than the length of the limiting rod 5, and excessive extrusion of the rubber gasket 3 is avoided when the weight of the gearbox, the blades, the motor 1 and the like is excessively fastened, the limiting rod 5 is abutted between the fixing part 13 and the support frame 2, and the vibration reduction effect on the vibration of the gearbox is influenced;
through the steel rope 45 connection between the connecting part 41 and the locking part 42, the fixing bolt 4 has a vertical pulling force on the gear box and the support frame 2, the stability of the installation of the gear box on the support frame 2 is ensured, meanwhile, the connection between the gear box and the support frame 2 is also elastic, when the connection is avoided by using bolts, the direct and rigid connection exists between the gear box and the support frame 2, and when the gear box vibrates, the vibration can be transmitted to the support frame 2 and the cooling water tower through the rigid connection between the fixing part 13 and the support frame 2, the normal use of the cooling water tower is affected, and noise is generated, meanwhile, the gear box and the support frame 2 are not directly and rigidly connected through the fixing bolt 4 which is elastically connected and the cooperation of the rubber pad 3, and the vibration generated in the operation of the gear box can be transmitted through the rubber pad 3 as much as possible, so that the vibration is isolated and reduced by using the rubber pad 3, and the normal use of the cooling water tower is ensured, and the noise is avoided;
meanwhile, when the gear box is installed, the connecting part 41 and the steel rope 45 on the fixing bolt 4 pass through the fixing hole 31, then the lower end of the steel rope 45 is connected to the winding rod 421 on the locking part 42, the winding rod 421 is rotated by a tool, the steel rope 45 is wound on the winding rod 421 so as to tighten the steel rope 45, the fixing part 13 and the support frame 2 are fixed, and meanwhile, after the steel rope 45 is tightened, the nut 422 on the winding rod 421 is screwed so as to mutually fix the winding rod 421 and the locking part 42, so that the steel rope 45 wound on the winding rod 421 is prevented from being separated again in the subsequent use, the fixing effect of the gear box is influenced, and potential safety hazards are generated in the use of the cooling water tower;
because the diameter of one end of the winding rod 421, where the nut 422 is installed, is smaller, and the clamping groove 423 on the winding rod 421 is V-shaped, when the nut 422 on the winding rod 421 is screwed down, the nut 422 can squeeze two side walls of the clamping groove 423, even if the openings of the clamping groove 423 are close to each other, the steel rope 45 inserted into the clamping groove 423 is fully squeezed and fixed, so that the steel rope 45 is prevented from sliding in the clamping groove 423, the tensioning effect on the steel rope 45 and the fixing effect on the gearbox are affected, and meanwhile, in the installation process of the gearbox, the clamping groove 423 with the openings and the locking effect of the clamping groove 423 under the action of the nut 422 are utilized, so that the steel rope 45 is conveniently clamped into the clamping groove 423, and the steel rope 45 is wound on the winding rod 421, so that the situation that a worker is inconvenient to fix the steel rope 45 on the winding rod 421 in the installation process is avoided, and the installation efficiency of the gearbox is affected;
the positioning column 44 is arranged, so that the connecting part 41 and the locking part 42 forming the fixing bolt 4 can be accurately positioned and stopped at the corresponding positions on the fixing part 13 and the supporting frame 2, the connecting part 41 and the locking part 42 are prevented from moving in the use process, so that the steel rope 45 between the connecting part 41 and the locking part 42 is inclined and deviated in the fixing hole 31, the contact and friction between the steel rope 45 and the edge and the inner wall of the fixing hole 31 are further caused, the effect of fixing the gearbox and the safety are influenced, meanwhile, the difficulty of workers in the installation process can be reduced after the positioning column 44 is used for positioning and fixing the annual gidding part and the locking part 42, the installation of the workers is facilitated, and meanwhile, the vibration reducing pad is arranged on the positioning column 44, so that the contact between the fixing bolt 4 and the fixing part 13 and the supporting frame 2 is further isolated, and the direct and rigid connection is avoided, and the vibration generated in the operation of the gearbox is isolated and reduced, the vibration is prevented from being transmitted to the supporting frame 2 and the water tower to be used normally, and the noise is prevented from being generated;
the rubber pad 3 is formed by overlapping and bonding a plurality of rubber sheets, so that the bearing effect of the rubber pad 3 is improved, the rubber pad 3 is prevented from being extruded and deformed to influence the vibration reduction effect of the rubber pad 3, meanwhile, the rubber pad 3 is enabled to generate larger blocking and reducing effects on vibration transmission by using a plurality of layers of rubber sheets, the isolation and reducing effects on vibration generated in the operation of a gear box are further improved, the vibration is prevented from being transmitted to the support frame 2 and the cooling water tower, and the normal use of the cooling water tower is ensured and noise is prevented from being generated;
the reinforcing net 33 is arranged between the rubber sheets to strengthen the structure of the rubber pad 3, so that the possibility of cracking and damage of the rubber pad 3 is avoided, the normal use of rubber points is ensured, meanwhile, the bearing capacity of the rubber pad 3 is improved through the reinforcing net 33, and further, under the condition of ensuring the fixing effect of a gear box, the rubber pad 3 is ensured to have good vibration reduction and buffering effects, the possibility that vibration is transmitted to the support frame 2 and the cooling water tower is reduced, the normal work of the cooling water tower is ensured, and meanwhile, the combination effect between the reinforcing net 33 and the rubber sheets is improved through frosting treatment, the situation that the rubber sheets forming the rubber pad 3 are separated from each other and cracked is avoided, and the normal use of the rubber pad 3 is influenced;
through set up protruding 424 on the surface in draw-in groove 423 to when draw-in groove 423 presss from both sides tightly, locks steel cable 45, avoid appearing sliding between steel cable 45 and the draw-in groove 423, influence the locking effect to steel cable 45, and avoid sliding appearing between steel cable 45 and the draw-in groove 423, lead to the fixed effect to the gear box to receive the influence, produce the potential safety hazard.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The gear box for the cooling water tower comprises a lower shell (11) and an upper shell (12), wherein a motor (1) is arranged on the upper shell (12), and the gear box is arranged on a support frame (2) on the cooling water tower through the lower shell (11);
the method is characterized in that: a fixing part (13) is arranged at the edge of the lower shell (11), a rubber pad (3) is arranged between the fixing part (13) and the support frame (2), and the fixing part (13) is arranged on the support frame (2) through a fixing bolt (4);
the rubber pad (3) is provided with a fixing hole (31) penetrating through the fixing portion (13) and the supporting frame (2), the fixing bolt (4) is located in the fixing hole (31), the rubber pad (3) is provided with a limiting hole (32), limiting rods (5) are mounted on opposite sides of the fixing portion (13) and the supporting frame (2) through threads, the limiting rods (5) are inserted into the limiting holes (32), and the limiting rods (5) on the fixing portion (13) and the supporting frame (2) are distributed in a mutually staggered mode.
2. A gearbox for a cooling tower according to claim 1, wherein: the depth of the limiting hole (32) is larger than the length of the limiting rod (5).
3. A gearbox for a cooling tower according to claim 1, wherein: the fixing bolt (4) comprises a connecting part (41) and a locking part (42), wherein a steel rope (45) is arranged on the connecting part (41), and the connecting part (41) and the locking part (42) are connected with each other through the steel rope (45);
the locking part (42) is rotatably provided with a winding rod (421), the winding rod (421) is provided with a nut (422), and one end of the steel rope (45) far away from the connecting part (41) is fixed on the winding rod (421).
4. A gearbox for a cooling tower according to claim 3, wherein: the locking part (42) is provided with through holes distributed along the axial direction, the steel rope (45) penetrates into the through holes, the winding rod (421) is provided with V-shaped clamping grooves (423), the openings of the clamping grooves (423) face the nuts (422), one end diameter of each winding rod (421) provided with the nuts (422) is smaller than that of the other end, and the steel rope (45) is clamped into the corresponding clamping groove (423).
5. A gearbox for a cooling tower according to claim 3, wherein: a positioning column (44) is arranged on the surface, opposite to the locking part (42), of the connecting part (41), a spacer (43) is arranged on the positioning column (44), and the positioning column (44) is inserted into the fixing hole (31).
6. A gearbox for a cooling tower according to claim 1, wherein: the rubber pad (3) is obtained by laminating and bonding a plurality of rubber sheets.
7. The gearbox for a cooling tower according to claim 6, wherein: a reinforcing net (33) is arranged between the rubber sheets, the reinforcing net (33) is formed by stamping thin metal sheets or welding thin metal strips, and the surfaces of the thin metal sheets or the thin metal strips are frosted.
8. The gearbox for a cooling tower according to claim 4, wherein: the surface of the clamping groove (423) is provided with a bulge (424), the cross section of the bulge (424) is triangular, and the length direction of the bulge (424) is perpendicular to the length direction of the fixing bolt (4).
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| CN202311679500.8A CN117366205B (en) | 2023-12-08 | 2023-12-08 | Gear box for cooling water tower |
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| CN202311679500.8A CN117366205B (en) | 2023-12-08 | 2023-12-08 | Gear box for cooling water tower |
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| CN117366205B (en) | 2024-02-20 |
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