Diaphragm transmission device of waste heat power generation cooling tower fan

Abstract

The utility model relates to the technical field of transmission devices, and discloses a waste heat power generation cooling tower fan diaphragm transmission device which comprises a waste heat power generation cooling tower body, a circular plate is fixedly installed on the top of the waste heat power generation cooling tower body, and a loose belt mounting and dismounting mechanism is arranged on the left side of the waste heat power generation cooling tower body. And a transmission mechanism is arranged outside the loose belt mounting and dismounting mechanism. According to the waste heat power generation cooling tower fan diaphragm transmission device, through the arranged belt loosening mounting and dismounting mechanism, in the using process, the position of a motor shell can be changed through transmission of a threaded rod, then a transmission belt is loosened, the transmission belt can be more conveniently dismounted, a connecting block is dismounted, a second transmission roller can be dismounted, and the transmission belt can be dismounted and replaced; the situation that the transmission stability is affected by the transmission belt which cannot be mounted and dismounted is avoided, the transmission belt is replaced in a loose dismounting mode, replacement of the transmission belt is more convenient, and convenience of mounting and dismounting of the transmission belt is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission devices, in particular to a diaphragm transmission device for a fan of a waste heat power generation cooling tower. Background Art

[0002] The waste heat power generation cooling tower is an important equipment in the cogeneration system. Its main function is to dissipate the waste heat generated in the power generation process into the air to ensure the normal operation of the power generation equipment. The cooling tower usually uses a fan to dissipate heat, and the transmission device is a device that drives the diaphragm of the fan to rotate.

[0003] According to the description in the synchronous transmission device of the cooling tower fan disclosed in the patent network (the authorization announcement number is: CN 208457127U), "The utility model is a synchronous transmission device of a cooling tower fan, including a cooling tower, a driven wheel arranged on the rotating shaft of the cooling tower fan, and a driving wheel fixed on the motor on one side of the cooling tower. The motor is a three-phase induction motor, and the driving wheel and the driven wheel are synchronous pulleys, and are connected and driven by a synchronous belt. The utility model has a precise transmission ratio, can accurately control the operation of the fan, has a simple structure, stable transmission, buffering, low energy consumption, and reduces manufacturing, operation and maintenance costs. "

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, the utility model reduces the radial pressure between the motor shaft and the bearing by utilizing belt transmission, thereby reducing the amplitude of the alternating stress on the motor shaft and extending the life of the motor. However, in actual use, the synchronous belt will wear out after long-term use, and the worn synchronous belt cannot perform stable transmission. The device does not have a detachable structure, which makes it impossible to easily replace the synchronous belt, affecting the stability of the transmission. Therefore, it is necessary to improve a waste heat power generation cooling tower fan diaphragm transmission device to solve the above problem. Utility Model Content

[0006] The utility model aims to provide a diaphragm transmission device for a fan of a waste heat power generation cooling tower to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste heat power generation cooling tower fan diaphragm transmission device, comprising a waste heat power generation cooling tower body, a circular plate is fixedly installed on the top of the waste heat power generation cooling tower body, a loosening belt installation and removal mechanism is arranged on the left side of the waste heat power generation cooling tower body, and a transmission mechanism is arranged outside the loosening belt installation and removal mechanism.

[0008] The belt loosening and installing and removing mechanism comprises a belt loosening component and an installing and removing component, and the installing and removing component is arranged on the top of the belt loosening component.

[0009] Preferably, the belt loosening assembly includes a fixed groove plate, which is fixedly installed on the left side of the waste heat power generation cooling tower body, a limiting slide bar is slidably installed inside the fixed groove plate, a motor housing is fixedly installed on the top of the limiting slide bar, a driving motor is fixedly installed inside the motor housing, a limiting rod is slidably installed inside the motor housing, and a threaded rod is threadedly installed inside the motor housing, so as to facilitate the loosening of the transmission belt through the belt loosening assembly.

[0010] Preferably, the right side of the limit rod is fixedly mounted on the left side of the waste heat power generation cooling tower body, and the right side of the threaded rod is rotatably mounted on the left side of the waste heat power generation cooling tower body, so as to loosen the transmission belt under normal conditions.

[0011] Preferably, the installation and disassembly assembly includes a connecting seat, which is fixedly installed on the top of the driving motor, a cross plug block is fixedly installed on the top of the connecting seat, a positioning rod is slidably installed inside the cross plug block, a connecting block is fixedly installed on the top of the positioning rod, and a rotating bolt is rotatably installed inside the connecting block, so as to facilitate the removal of the transmission roller 2 through the installation and disassembly assembly to replace the transmission belt.

[0012] Preferably, thread grooves are provided at corresponding positions of the cross plug block and the rotating bolt, and the rotating bolt is threadably installed inside the thread groove provided inside the cross plug block, thereby improving the stability of the fixation.

[0013] Preferably, the transmission mechanism includes a transmission roller 1, which is rotatably mounted on the top of the circular plate, and a transmission belt is installed on the outside of the transmission roller 1. A transmission roller 2 is installed on the end of the transmission belt away from the transmission roller 1, and a cross slot is opened inside the transmission roller 2 to facilitate the transmission of the fan diaphragm of the waste heat power generation cooling tower body through the transmission mechanism.

[0014] Preferably, the cross slot corresponds to the size of the cross insert block, and the cross insert block is slidably installed inside the cross slot, so as to facilitate the installation of the transmission roller 2 in a normal state.

[0015] Compared with the prior art, the utility model provides a diaphragm transmission device for a waste heat power generation cooling tower fan, which has the following beneficial effects:

[0016] 1. The diaphragm transmission device of the fan of the waste heat power generation cooling tower has a belt loosening and disassembly mechanism. During use, the position of the motor housing can be changed by the transmission of the threaded rod, thereby loosening the transmission belt, making it easier to disassemble. The connecting block can be disassembled to disassemble the transmission roller 2, and the transmission belt can be disassembled and replaced, thereby avoiding the influence of the transmission stability on the transmission by the transmission belt that cannot be installed. The transmission belt can be replaced by loosening and disassembling, making the replacement of the transmission belt more convenient and improving the convenience of installing and disassembling the transmission belt.

[0017] 2. The fan diaphragm transmission device of the waste heat power generation cooling tower, through the transmission mechanism set up, during use, uses the transmission shaft of the driving motor to drive the transmission roller 2 to rotate, and can be driven by the transmission belt to rotate the transmission roller 1, so that the fan diaphragm of the waste heat power generation cooling tower body can rotate under the transmission, thereby realizing the function of transmitting the fan diaphragm of the waste heat power generation cooling tower body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the appearance and structure of the belt loosening and disassembly mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the appearance structure of the loose belt assembly of the utility model;

[0022] Figure 4 This is a schematic diagram of the appearance and structure of the installation and removal components of the utility model;

[0023] Figure 5 This is a schematic diagram of the appearance structure of the transmission mechanism of the utility model.

[0024] In the figure: 1. Waste heat power generation cooling tower body; 2. Loose belt installation and removal mechanism; 21. Loose belt assembly; 211. Fixed slot plate; 212. Limiting slide bar; 213. Motor housing; 214. Driving motor; 215. Limiting rod; 216. Threaded rod; 22. Installation and removal assembly; 221. Connecting seat; 222. Cross plug block; 223. Positioning rod; 224. Connecting block; 225. Rotating bolt; 3. Transmission mechanism; 31. Transmission roller one; 32. Transmission belt; 33. Transmission roller two; 34. Cross slot; 4. Round plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Embodiment 1:

[0028] See also Figure 1-4 The utility model provides a technical solution: a diaphragm transmission device of a waste heat power generation cooling tower fan, comprising a waste heat power generation cooling tower body 1, a circular plate 4 is fixedly installed on the top of the waste heat power generation cooling tower body 1, a loose belt installation and removal mechanism 2 is arranged on the left side of the waste heat power generation cooling tower body 1, and a transmission mechanism 3 is arranged outside the loose belt installation and removal mechanism 2.

[0029] The belt loosening and installing and removing mechanism 2 comprises a belt loosening assembly 21 and an installing and removing assembly 22 , and the installing and removing assembly 22 is arranged on the top of the belt loosening assembly 21 .

[0030] Furthermore, the belt loosening assembly 21 includes a fixed groove plate 211, which is fixedly installed on the left side of the waste heat power generation cooling tower body 1. A limiting slide bar 212 is slidably installed inside the fixed groove plate 211, and a motor housing 213 is fixedly installed on the top of the limiting slide bar 212. A driving motor 214 is fixedly installed inside the motor housing 213, a limiting rod 215 is slidably installed inside the motor housing 213, and a threaded rod 216 is threadedly installed inside the motor housing 213, so as to facilitate the loosening of the transmission belt 32 through the belt loosening assembly 21.

[0031] Furthermore, the right side of the limit rod 215 is fixedly installed on the left side of the waste heat power generation cooling tower body 1, and the right side of the threaded rod 216 is rotatably installed on the left side of the waste heat power generation cooling tower body 1, so as to loosen the transmission belt 32 under normal conditions.

[0032] Furthermore, the installation component 22 includes a connecting seat 221, which is fixedly installed on the top of the driving motor 214. A cross plug block 222 is fixedly installed on the top of the connecting seat 221. A positioning rod 223 is slidably installed inside the cross plug block 222. A connecting block 224 is fixedly installed on the top of the positioning rod 223. A rotating bolt 225 is rotatably installed inside the connecting block 224, which facilitates the removal of the transmission roller 23 through the installation component 22 to replace the transmission belt 32.

[0033] Furthermore, thread grooves are provided at corresponding positions of the cross plug block 222 and the rotating bolt 225 , and the rotating bolt 225 is threadedly installed inside the thread groove provided inside the cross plug block 222 , thereby improving the stability of the fixation.

[0034] Embodiment two:

[0035] See also Figure 5 In combination with the first embodiment, it is further obtained that the transmission mechanism 3 includes a transmission roller 31, which is rotatably installed on the top of the circular plate 4, and a transmission belt 32 is installed on the outside of the transmission roller 31. A transmission roller 2 33 is installed on the end of the transmission belt 32 away from the transmission roller 1 31. A cross slot 34 is opened inside the transmission roller 2 33 to facilitate the transmission of the fan diaphragm of the waste heat power generation cooling tower body 1 through the transmission mechanism 3.

[0036] Furthermore, the cross slot 34 corresponds to the size of the cross insert block 222, and the cross insert block 222 is slidably installed inside the cross slot 34, so as to facilitate the installation of the transmission roller 2 33 in a normal state.

[0037] In actual operation, when the device is used, when it is necessary to drive and rotate the fan diaphragm of the waste heat power generation cooling tower body 1, the drive motor 214 is driven to make the drive shaft of the drive motor 214 drive the connecting seat 221 to rotate, and at this time, the cross plug block 222 drives the transmission roller 2 33 to rotate, and under the drive of the transmission belt 32, the transmission roller 1 31 is rotated to realize the transmission of the fan diaphragm of the waste heat power generation cooling tower body 1. When the transmission belt 32 is worn after long-term use, the thread is first rotated. Rod 216 causes the motor housing 213 to move to the right under the restriction of the limiting rod 215. At this time, the transmission belt 32 is loosened. Then, the rotating bolt 225 is rotated. Under the restriction of the positioning rod 223, the connecting block 224 rises vertically and leaves the cross plug block 222. The transmission roller 2 33 is slid to make the cross plug block 222 disengage from the cross slot 34. The transmission roller 2 33 can be disassembled. At this time, the transmission belt 32 can be disassembled and replaced. After the replacement is completed, the operation is repeated in reverse to install the new transmission belt 32.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A diaphragm transmission device for a waste heat power generation cooling tower fan, comprising a waste heat power generation cooling tower body (1), characterized in that: A circular plate (4) is fixedly mounted on the top of the waste heat power generation cooling tower body (1), a belt loosening and disassembly mechanism (2) is arranged on the left side of the waste heat power generation cooling tower body (1), and a transmission mechanism (3) is arranged outside the belt loosening and disassembly mechanism (2); The belt loosening and installing and removing mechanism (2) comprises a belt loosening component (21) and an installing and removing component (22), wherein the installing and removing component (22) is arranged on the top of the belt loosening component (21).

2. The diaphragm transmission device for a waste heat power generation cooling tower fan according to claim 1 is characterized in that: The loose belt assembly (21) comprises a fixed groove plate (211), the fixed groove plate (211) is fixedly mounted on the left side of the waste heat power generation cooling tower body (1), a limit slide bar (212) is slidably mounted inside the fixed groove plate (211), a motor housing (213) is fixedly mounted on the top of the limit slide bar (212), a drive motor (214) is fixedly mounted inside the motor housing (213), a limit rod (215) is slidably mounted inside the motor housing (213), and a threaded rod (216) is threadedly mounted inside the motor housing (213).

3. The diaphragm transmission device for a waste heat power generation cooling tower fan according to claim 2 is characterized in that: The right side of the limit rod (215) is fixedly mounted on the left side of the waste heat power generation cooling tower body (1), and the right side of the threaded rod (216) is rotatably mounted on the left side of the waste heat power generation cooling tower body (1).

4. The diaphragm transmission device for a waste heat power generation cooling tower fan according to claim 1 is characterized in that: The installation and disassembly component (22) comprises a connecting seat (221), wherein the connecting seat (221) is fixedly mounted on the top of the driving motor (214), a cross plug block (222) is fixedly mounted on the top of the connecting seat (221), a positioning rod (223) is slidably mounted inside the cross plug block (222), a connecting block (224) is fixedly mounted on the top of the positioning rod (223), and a rotating bolt (225) is rotatably mounted inside the connecting block (224).

5. The diaphragm transmission device for a waste heat power generation cooling tower fan according to claim 4 is characterized in that: Thread grooves are provided at corresponding positions of the cross plug block (222) and the rotating bolt (225), and the rotating bolt (225) is threadedly installed inside the thread groove provided inside the cross plug block (222).

6. The diaphragm transmission device for a waste heat power generation cooling tower fan according to claim 1, characterized in that: The transmission mechanism (3) comprises a transmission roller (31) which is rotatably mounted on the top of the circular plate (4); a transmission belt (32) is mounted on the outside of the transmission roller (31); a transmission roller (33) is mounted on the end of the transmission belt (32) away from the transmission roller (31); and a cross slot (34) is provided inside the transmission roller (33).

7. The diaphragm transmission device for a waste heat power generation cooling tower fan according to claim 6, characterized in that: The cross slot (34) corresponds to the size of the cross insert block (222), and the cross insert block (222) is slidably installed inside the cross slot (34).

Images