CN114772431A - Ventilator impeller mounting bracket and mounting method thereof - Google Patents

Abstract

The application discloses a ventilator impeller mounting bracket and a mounting method thereof, relating to the field of impeller tooling equipment; the ventilator impeller mounting bracket comprises a mounting bracket body, and the mounting bracket body comprises a mounting base and a mounting support arm; the mounting base is fixedly provided with a mounting support arm, and the mounting base is provided with a carrier roller device in a sliding manner; the mounting support arm is provided with a clamping device; this application realizes erectting of impeller and supports and fix through bearing roller device and clamping device's cooperation to make things convenient for the cooperation installation of impeller and fan main shaft, and bearing roller device interval adjustable setting can carry out the focus adjustment according to the impeller of difference, prevent that the impeller from overturning, avoid the incident, the existence of bearing roller device can adjust the impeller of rotating simultaneously, the bolted connection between impeller and the main shaft has more made things convenient for, avoid the centering of bolt hole to cause the installation difficulty.

Description

A kind of fan impeller installation bracket and installation method thereof

technical field

The present application relates to the field of impeller tooling equipment, and in particular, to a fan impeller mounting bracket and a mounting method thereof.

Background technique

The fan rotor is an important component of the fan. It is assembled by the impeller and the main shaft. The installation accuracy of the impeller and the main shaft will directly affect the operation quality of the fan. There are two installation methods for the fan rotor, vertical installation and horizontal installation; vertical installation; The vertical installation is to lay the impeller flat and lift the main shaft vertically; it is necessary to have a suitable pit and workshop height to meet the lifting requirements; due to the different lengths of the main shafts of large fans, the required lifting height is limited, which does not meet the installation requirements, and Vertical installation is inconvenient for bolted connection.

Therefore, the installation of large fan rotors generally adopts the horizontal installation method, that is, the impeller is placed vertically, the main shaft is hoisted horizontally, installed in the inner hole of the impeller, and then the bolts are tightened. The center of gravity of the large impeller is high, and it is easy to overturn during the installation process, posing a safety hazard.

Application content

In order to solve the above technical problems that the vertical installation and lifting height is limited, the horizontal installation impeller is easy to roll over and overturn, and there are potential safety hazards, the present application provides a fan impeller installation bracket and an installation method thereof.

On the one hand, the technical problem of the present application is achieved through the following technical solutions:

A fan impeller installation bracket includes an installation frame body, the installation frame body includes an installation base and an installation support arm; the installation base is fixedly provided with the installation support arm, and the installation base is slidably provided with a roller device; A clamping device is arranged on the mounting arm.

Preferably, a plurality of idler groove plates are arranged at intervals on the installation base, and the idler groove plates are symmetrically arranged on both sides of the installation base; the idler device is arranged between the adjacent idler groove plates on one side. Ends.

Preferably, the idler device includes an idler and a fixed seat; both ends of the idler are provided with a fixed seat, and the idler and the fixed seat are rotatably connected; Grinding bushing.

Preferably, the clamping device includes a clamping fixing base and an adjusting rod; the top of the mounting arm is provided with several mounting holes at intervals; the mounting arm is bolted to the clamping fixing base through the mounting holes, and the clamp An adjusting rod is rotatably installed on the fixed seat.

Preferably, the adjusting rod includes a threaded rod, a jacking rod and a distance-adjusting handwheel; the threaded rod is threadedly connected to the clamping fixing seat; one end of the threaded rod is provided with a jacking rod, and the other end is provided with a distance-adjusting handwheel wheel.

Preferably, the clamping base includes a clamping bottom plate and a threaded barrel; the clamping bottom plate and the threaded barrel are integral structures, an arc-shaped connecting hole is provided on the clamping bottom plate, and the clamping bottom plate passes through an arc-shaped connection hole. The attachment holes and the mounting holes are bolted to the mounting arms.

Preferably, the installation frame body is further provided with a roller device, and the roller device can move up and down relative to the installation frame body.

Preferably, the roller device includes a lift pin, a limit frame, a roller assembly and a top block, the lift pin is threadedly connected to the mounting frame body, the limit frame is fixedly connected to the mounting frame body, and the roller assembly penetrates through The limit frame and the top block are connected; the lower end of the lifting top rod pushes the top block.

On the other hand, the present application also provides a method for installing a fan impeller mounting bracket, comprising the following operation steps:

1) Adjust the installation position of the idler device, hoist the fan impeller, and place it on the idler device;

2) Adjust the position of the clamping device, and clamp the fan impeller on the idler device;

3) Hoist the main shaft horizontally, and install and connect the fan impeller to the main shaft.

Preferably, when the idler device supports the fan impeller, the bottom end of the fan impeller is in a suspended state.

To sum up, the present application has the following beneficial effects:

1. The fan impeller mounting bracket of the present application replaces the simple fixed support method, and realizes the vertical support and fixation of the impeller through the cooperation of the idler device and the clamping device, thereby facilitating the coordinated installation of the impeller and the fan main shaft, and the distance between the idler devices The adjustable setting can adjust the center of gravity according to different impellers to prevent the impeller from overturning and avoid safety accidents. At the same time, the existence of the idler device can adjust the rotating impeller, which is more convenient for the bolt connection between the impeller and the main shaft, and avoids the wrong bolt hole. installation problems caused by .

2. The clamping device in this application adopts a multi-segment structure design. The clamping fixed seat is designed with arc-shaped connecting holes, and the setting of multiple installation holes above the mounting arm can adjust the overall angle and angle of the clamping device. To meet the needs of clamping and fixing fan impellers of different sizes, the multiple structural settings of the adjustment rod are more convenient for clamping and fixing with the impeller and distance adjustment to meet the actual installation requirements.

3. In order to deal with the necessary movement of the device, the roller device with a telescopic structure is used in this application, and the roller device is not stressed when the mounting bracket is in the working state through the cooperation between the lifting rod and the roller assembly, and will not cause the mounting bracket. When it needs to move, push out the roller assembly to meet the moving needs.

Description of drawings

1 is a front view of the overall structure of the application;

2 is a top view of the overall structure of the application;

Fig. 3 is the left side view of the overall structure of the application;

Figure 4 is a schematic diagram of the structure of the idler device;

Figure 5 is a left view of the structure of the idler device;

Figure 6 is a schematic structural diagram of a clamping device;

7 is an enlarged structural cross-sectional view at A;

Figure 8 is an enlarged partial cross-sectional view at B;

9 is an enlarged partial cross-sectional view at C;

Figure 10 is a schematic diagram of the impeller installation structure.

1. Mounting the frame body; 101. Mounting the base; 102. Mounting the support arm;

2. Idler device; 201, idler; 202, fixed seat; 203, wear-resistant bushing;

3. Clamping device; 301, clamping fixing seat; 3011, clamping bottom plate; 3012, threaded barrel;

302, adjusting rod; 3021, threaded rod; 3022, jacking rod; 3023, distance adjustment handwheel;

4. Idler groove plate; 5. Installation hole; 6. Roller device; 601, Lifting mandrel; 602, Limit frame; 603, Roller assembly; 604, Top block.

Detailed ways

In order to more clearly understand the above objects, features and advantages of the present application, the present application will be further described below with reference to the accompanying drawings and embodiments.

Many specific details are set forth in the following description to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the present application is not limited to the specific embodiments of the following disclosure. limit.

A fan impeller mounting bracket, as shown in Figure 1, Figure 2, Figure 3 and Figure 10, includes a mounting frame body 1, and the mounting frame body 1 includes a mounting base 101 and a mounting arm 102; the mounting base 101 and the mounting arm 102 are welded with heavy-duty channel steel parts, which can ensure the overall strength and rigidity of the mounting frame. The end face of the mounting base 101 is symmetrically fixed and welded with four sets of mounting arms 102, which slide on the end face of the mounting base 101 at the same time. An idler device 2 is provided; a clamping device 3 is provided on the mounting arm 102 .

As shown in Fig. 3, Fig. 4 and Fig. 5, the installation base 101 adopts a common rectangular structure design; a number of idler groove plates 4 are welded on the installation base 101. In order to ensure the welding strength, each idler groove plate is welded 4 are welded with ribbed plates for reinforcement and support; the idler groove plate 4 is symmetrically arranged on the two channel steel pieces in the middle of the installation base 101, and the groove formed by the two adjacent idler groove plates 4 can accommodate the idler device 2 so that the idler device can be horizontally erected on the installation base 101; two sets of idler devices 2 are symmetrically arranged in the placement direction of the fan, and the support of the impeller to be installed has been formed. Adjust to the appropriate position of the idler groove plate 4, so as to reasonably reduce the center of gravity of the fan impeller and avoid the stability of the vertical placement of the impeller.

As shown in FIG. 4 and FIG. 5 , the idler device 2 includes an idler 201 and a fixed seat 202 ; the two ends of the idler 201 are provided with a fixed seat 202 , and the fixed seat 202 is installed on the idler groove plate 4 on the installation base 101 In between, the outer side of the fixed seat 202 is provided with a stop block, so that the fixed seat 202 will not move or deflect at the installation position; the stop block and the reinforcing rib plate

The end of the idler 201 and the fixed seat 202 are rotatably connected; the idler 201 can be rotated flexibly, so as to ensure that the impeller rotates easily, and it is convenient to adjust the counterweight connection between the bolt holes in the circumferential direction and the main shaft; the idler 201 and the fixed seat A wear-resistant bushing 203 is also arranged between the 202 to avoid direct contact and wear between the idler 201 and the fixed seat 202 .

As shown in FIG. 6 and FIG. 8 , the clamping device 3 includes a clamping fixing base 301 and an adjusting rod 302 ; a plurality of mounting holes 5 are provided at intervals at the top of the mounting arm 102 ; the mounting arm 102 passes through the mounting holes 5 Bolt connection with the clamping and fixing seat 301, the structure design of multiple mounting holes 5, the clamping position of the clamping device 3 can be adjusted according to the size and model of the impeller to be installed, so that the clamping and fixing position of the impeller is more reasonable, and the clamping The fixed seat 301 and the adjustment rod 302 are connected in a rotational manner.

The clamping base 301 includes a clamping bottom plate 3011 and a threaded barrel 3012; the clamping bottom plate 3011 and the threaded barrel 3012 are integrated in a structural design, the clamping bottom plate 3011 is provided with a threaded barrel 3012, and the clamping bottom plate 3011 is provided with an arc-shaped The connecting hole, through the arc-shaped connecting hole and the mounting hole 5, realizes the fixing of the clamping and fixing base 301 in the form of bolt connection. At the same time, the arc-shaped connecting hole can adjust the rotation angle of the entire clamping device 3 within a certain range to meet the offset When fixing a small impeller, it is not possible to directly clamp and fix it at the end.

Among them, the adjustment rod 302 includes a threaded rod 3021, a jacking rod 3022 and a distance adjustment handwheel 3023; the adjustment range of the threaded rod 3021 is limited, if the threaded rod 3021 is directly clamped and fixed, the required rotation distance is longer, so the design of the top tight The rod 3022 and the jacking rod 3022 are fixedly connected to the threaded rod 3021. The jacking rod 3022 can be serially designed according to different types of fan impellers, so as to save the adjustment of the clamping distance, which is more convenient; the threaded rod 3021 and the clamping fixed seat 301 threaded connection; the other end of the threaded rod 3021 is provided with a distance-adjusting handwheel 3023 to facilitate the tightening operation.

As shown in FIG. 7 , FIG. 8 and FIG. 9 , the mounting frame body 1 is also provided with a roller device 6 . The roller device 6 is arranged at the four corner positions of the mounting base 101 , and the roller device 6 can be relative to the mounting frame body 1 Lifting movement; the roller device 6 includes a lifting mandrel 601, a limit frame 602, a roller assembly 603 and a top block 604, wherein the lifting mandrel 601 and the mounting frame body 1 are connected by screw connection, and the limit frame 602 is connected by bolts The component is fixedly installed on the mounting frame body 1, the limit frame 602 is composed of two limit plates, and the limit frame 602 is provided with a long hole; the roller assembly 603 includes a connecting rod and a roller, and the connecting rod penetrates the limit frame In the elongated hole in 602, the connecting rod is also provided with a top block 604; the top block 604 is located between the two limit plates, and rollers are set at both ends of the connecting rod, and the diameter of the roller is larger than its limit frame 602 The lower end of the lifting mandrel 601 is in contact with the top block 604, so when the rotating lifting mandrel 601 presses the top block 604, the top block 604 drives the roller assembly 603 to move downward, and the mounting bracket is in a suspended state, thereby jacking up the entire Mounting bracket; realizes the movement of the mounting bracket. On the contrary, when the device does not need to move, the lifting jack 601 does not exert any force on the top block 604, so that the mounting rack body 101 is stably placed on the ground.

The application also provides a method for installing the fan impeller mounting bracket, which mainly includes the following operation steps:

1) Adjust the installation position of the idler device 2, according to the size of the impeller to be installed, adjust the placement position of the idler device 2 on the idler groove plate 4, so that the bottom end of the impeller to be installed does not contact the ground It is advisable to reduce the distance between the support point and the center of gravity, reduce the size of the center of gravity of the fan impeller, and avoid tilting; the fan impeller is hoisted between the two sets of idler devices 2 through the hoisting equipment;

2) Adjust the installation position of the clamping device 3 on the installation hole 5, and adjust the rotation angle through the arc-shaped connecting hole on the clamping base plate 3011, select the appropriate jacking rod 3022 to connect with the threaded rod 3021, and turn the distance adjustment handwheel 3023, to realize the clamping and fixing of the fan impeller;

3) After the fan impeller is clamped and fixed, hoist the fan main shaft horizontally, and connect the fan impeller to the main shaft. When the bolt holes of the impeller in the circumferential direction and the bolt holes of the main shaft are not aligned, the impeller can be rotated to adjust, which is convenient for installation and tightening. bolt.

The above are only preferred embodiments of the present application, and are not intended to limit the present application in other forms. Any person skilled in the art may use the technical content disclosed above to make changes or modifications to equivalent changes. The embodiments are applied to other fields, but any simple modifications and equivalent changes made to the above embodiments according to the technical essence of the present application without departing from the content of the technical solutions of the present application still belong to the protection scope of the technical solutions of the present application.

Claims (10)

1. A fan impeller mounting bracket, characterized in that it comprises a mounting frame body (1), and the mounting frame body (1) comprises a mounting base (101) and a mounting arm (102); the mounting base (101) A mounting arm (102) is fixedly arranged on the mounting base (101), a roller device (2) is slidably arranged on the mounting base (101), and a clamping device (3) is arranged on the mounting arm (102). 2. A fan impeller mounting bracket according to claim 1, characterized in that: a plurality of idler groove plates (4) are arranged on the installation base (101) at intervals, and the idler groove plates (4) They are symmetrically arranged on both sides of the installation base (101); the ends of the idler device (2) are laid between the idler groove plates (4) adjacent to one side. 3. A fan impeller mounting bracket according to claim 2, characterized in that: the idler device (2) comprises an idler (201) and a fixing seat (202); Both ends are provided with fixed seats (202), the rollers (201) are rotatably connected with the fixed seats (202); wear-resistant bushings (203) are also arranged between the rollers (201) and the fixed seats (202). ). 4 . The fan impeller mounting bracket according to claim 1 , wherein the clamping device ( 3 ) comprises a clamping fixing seat ( 301 ) and an adjusting rod ( 302 ); the mounting arm ( The top end of 102) is provided with a number of installation holes (5) at intervals; the installation support arm (102) is bolted to the clamping and fixing base (301) through the installation holes (5), and the clamping and fixing base (301) rotates upwardly. An adjustment rod (302) is installed. 5. The fan impeller mounting bracket according to claim 4, wherein the adjusting rod (302) comprises a threaded rod (3021), a jacking rod (3022) and a distance adjusting handwheel (3023); The threaded rod (3021) is threadedly connected with the clamping and fixing seat (301); one end of the threaded rod (3021) is provided with a jacking rod (3022), and the other end is provided with a distance adjustment handwheel (3023). 6. The fan impeller mounting bracket according to claim 4, characterized in that: the clamping base (301) comprises a clamping bottom plate (3011) and a threaded barrel (3012); the clamping bottom plate (3012) 3011) and the threaded cylinder (3012) are integral structures, the clamping bottom plate (3011) is provided with an arc-shaped connecting hole, and the clamping bottom plate (3011) is bolted through the arc-shaped connecting hole and the mounting hole (5). Arm (102). 7 . The fan impeller mounting bracket according to claim 1 , wherein the mounting frame body ( 1 ) is further provided with a roller device ( 6 ), and the roller device ( 6 ) is opposite to the mounting frame. 8 . The body (1) can move up and down. 8 . The fan impeller mounting bracket according to claim 7 , wherein the roller device ( 6 ) comprises a lift rod ( 601 ), a limit frame ( 602 ), a roller assembly ( 603 ) and a top block (604), the lifting mandrel (601) is threadedly connected to the mounting frame body (1), the limiting frame (602) is fixedly connected to the mounting frame body (1), and the roller assembly (603) penetrates the connection limit A position frame (602) and a top block (604); the lower end of the lift top rod (601) pushes against the top block (604). 9. An installation method of a fan impeller mounting bracket, characterized in that, comprising the following operation steps: 1) Adjust the installation position of the idler device (2), hoist the fan impeller, and place it on the idler device (2); 2) Adjust the position of the clamping device (3), and clamp the fan impeller on the idler device (2); 3) Hoist the main shaft horizontally, and install and connect the fan impeller to the main shaft. 10 . The method for installing a fan impeller mounting bracket according to claim 9 , wherein when the idler device ( 2 ) supports the fan impeller, the bottom end of the fan impeller is in a suspended state. 11 .

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