Safety rope hanging bracket for installing large centrifugal fan

Abstract

The utility model belongs to the technical field of safety rope hanging brackets, and particularly relates to a safety rope hanging bracket for installing a large centrifugal ventilator, which comprises a workshop steel structure stand column fixedly connected to the ground, and a lifting mechanism is arranged on one side of the workshop steel structure stand column. A swing mechanism is arranged on the side, away from the workshop steel structure stand column, of the lifting mechanism, and a hoisting mechanism is arranged on the side, away from the lifting mechanism, of the swing mechanism. The lifting device has the advantages that the lifting mechanism can drive the swing mechanism to move up and down, the swing mechanism drives the hoisting mechanism to rotate by 180 degrees in the horizontal direction, the hoisting mechanism drives the lifting hook I-shaped steel to slide, and the lifting mechanism, the swing mechanism and the hoisting mechanism are matched with one another, so that the position of the lifting hook can be adjusted in a three-dimensional space; the device is suitable for centrifugal ventilators with different positions and sizes; the length of the safety rope can be shortened by adjusting the position of the lifting hook, and the risk that the worker collides with the ventilator when the worker falls off due to the overlong safety rope is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to safety rope hanger technical field, concretely relates to a safety rope hanger for large centrifugal fan installation. BACKGROUND

[0002] The model of fan is numerous, in order to satisfy different working condition, the size and inlet and outlet angle of fan are different. The shell height of large centrifugal fan is between 3 meters to 10 meters, and the size of goods height limit of 17.5 meters truck is 2.8 meters, and the size of goods width limit is 3 meters. When the shell height of fan exceeds 2.8 meters or width size exceeds 3 meters, the shell needs to be divided into multiple parts, and each part has flange at the split line, and the split shell is connected by flange, to form complete shell.

[0003] When each part of centrifugal fan is finished in factory, needs to be installed in factory, and the problem is found in factory, to prevent the problem from appearing in user site, is difficult to solve, brings loss to user. Large centrifugal fan occupies large area, and size and shape are different, cannot manufacture a standard installation platform or rack, and the worker needs to climb to install fan, and also needs to dismount fan after installation, in order to facilitate the installation or dismounting of centrifugal fan of different positions and sizes, a safety rope hanger for large centrifugal fan installation is designed. CONTENT OF UTILITY MODEL

[0004] The utility model provides a safety rope hanger for large centrifugal fan installation in order to solve the above problems.

[0005] The utility model relates to a safety rope hanger for large centrifugal fan installation, including workshop steel structure stand, the workshop steel structure stand is fixedly connected in ground, one side of the workshop steel structure stand is provided with lifting mechanism, the side away from the workshop steel structure stand of lifting mechanism is provided with rotary mechanism, the side away from lifting mechanism of rotary mechanism is provided with hoisting mechanism.

[0006] As preferred, the lifting mechanism includes trapezoidal screw rod, the trapezoidal screw rod is connected with lifting block on screw thread, the trapezoidal screw rod lower fixedly connected with conical gear no.

[0007] The lower side of conical gear no. is fixedly connected with bearing, and the lower side of the bearing is fixedly connected with the ground through the base no.

[0008] As preferred, one side of the conical gear no. is provided with lifting motor, the lifting motor is fixedly connected to the ground through the base no. 2, the output shaft of the lifting motor is fixedly connected with conical gear no. 2, and the conical gear no. 2 is drivingly connected with the conical gear no. 1.

[0009] As preferred, the rotating mechanism comprises two lifting lugs, both of which are fixedly connected to the lifting block, a rack is slidingly connected between the two lifting lugs close to one side of the lifting block, and a pneumatic cylinder is fixedly connected to the lifting block on one side of the rack through a fixing frame.

[0010] A gear lug is hingedly connected to the other side of the two lifting lugs away from the lifting block through a pin, the gear of the gear lug is engaged with the rack, and the gear of the gear lug is a half gear.

[0011] As preferred, the lifting mechanism comprises two clamping plates, a hook frame is fixedly connected between the two clamping plates below, and a hook is fixedly connected below the hook frame; an active gear, two walking gears, two driven wheels and an I-beam are arranged above the two clamping plates; and a walking motor is fixedly connected to the outer side of the two clamping plates.

[0012] As preferred, the output shaft of the walking motor passes through the clamping plate and is fixedly connected with the active gear, the active gear is in driving connection with the two walking gears above respectively, the two walking gears are both rotationally connected to the clamping plate close to the walking motor, the two driven wheels are rotationally connected to the clamping plate away from the two walking gears, the I-beam is slidingly connected between the two walking gears and the two driven wheels, and the I-beam is fixedly connected to the side of the gear lug away from the two lifting lugs.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] Compared with the prior art, the utility model discloses a safety rope lifting frame for large centrifugal fan installation,

[0015] (1) the lifting mechanism can drive the rotating mechanism to move up and down, the rotating mechanism drives the lifting mechanism to rotate by 180 degrees in the horizontal direction, the lifting mechanism drives the hook I-beam to slide upwards, and the lifting mechanism, the rotating mechanism and the lifting mechanism are matched with each other and suitable for centrifugal fans of different positions and sizes.

[0016] (2) the lifting mechanism, the rotating mechanism and the lifting mechanism are matched with each other, so that the position of the hook can be adjusted in three-dimensional space, and workers can conveniently hang the safety rope on the hook.

[0017] (3) the position of the hook can be flexibly adjusted, so that the length of the safety rope can be shortened, and the risk that workers fall and hit the fan due to the too long safety rope can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description:

[0019] Figure 1A schematic view of a safety rope hanger provided for the large centrifugal fan installation of Example 1;

[0020] Figure 2 A schematic view of a lifting mechanism provided for Example 1;

[0021] Figure 3 A schematic view of a rotating mechanism provided for Example 1;

[0022] Figure 4 A side view of the rotating mechanism provided for Example 1;

[0023] Figure 5 A schematic view of a hoisting mechanism provided for Example 1;

[0024] Figure 6 A sectional view of the hoisting mechanism provided for Example 1.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 1, workshop steel structure stand; 2, lifting mechanism, 201, bevel gear one, 202, bearing, 203, base one, 204, trapezoidal screw rod, 205, lifting block, 206, bevel gear two, 207, lifting motor, 208, base two; 3, rotating mechanism, 301, lug, 302, rack, 303, pin, 304, gear lug, 305, cylinder, 306, fixed frame; 4, hoisting mechanism, 401, I-beam, 402, walking gear, 403, walking motor, 404, driving gear, 405, clamping plate, 406, lifting hook, 407, lifting hook frame, 408, driven wheel. DETAILED DESCRIPTION

[0027] In order to more clearly understand the above purpose, features and advantages of the present application, the present application will be further described below in conjunction with the drawings and examples.

[0028] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in different ways from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0029] Example 1

[0030] The following will be described in conjunction with Figures 1-6 The present application will be further described as follows, for example, Figures 1-6The application discloses a safety rope hanger for installing a large centrifugal ventilator, which comprises a workshop steel structure column 1, the workshop steel structure column 1 is fixedly connected to the ground, one side of the workshop steel structure column 1 is provided with a lifting mechanism 2, the side, away from the workshop steel structure column 1, of the lifting mechanism 2 is provided with a rotating mechanism 3, and the side, away from the lifting mechanism 2, of the rotating mechanism 3 is provided with a lifting mechanism 4.

[0031] As shown in the figure, Figures 1-6 the lifting mechanism 2 comprises a trapezoidal screw rod 204, a lifting block 205 is threadedly connected to the trapezoidal screw rod 204, and a bevel gear one 201 is fixedly connected below the trapeoidal screw rod 204.

[0032] As shown in the figure, Figures 1-6 the lower side of the bevel gear one 201 is fixedly connected with a bearing 202, and the lower side of the bearing 202 is fixedly connected with the ground through a base one 203.

[0033] As shown in the figure, Figures 1-6 one side of the bevel gear one 201 is provided with a lifting motor 207, the lifting motor 207 is fixedly connected to the ground through a base two 208, the output shaft of the lifting motor 207 is fixedly connected with a bevel gear two 206, and the bevel gear two 206 is in transmission connection with the bevel gear one 201.

[0034] As shown in the figure, Figures 1-6 the rotating mechanism 3 comprises two lifting lugs 301, the two lifting lugs 301 are both fixedly connected to the lifting block 205, a rack 302 is slidably connected to the side, close to the lifting block 205, between the two lifting lugs 301, one side of the rack 302 is fixedly connected with a gas cylinder 305, and the gas cylinder 305 is fixedly connected to the lifting block 205 through a fixing frame 306.

[0035] As shown in the figure, Figures 1-6 the side, away from the lifting block 205, between the two lifting lugs 301 is hingedly connected with a gear lifting lug 304 through a pin 303, the gear of the gear lifting lug 304 is in mesh with the rack 302, and the gear of the gear lifting lug 304 is a half gear.

[0036] As shown in the figure, Figures 1-6 the lifting mechanism 4 comprises two clamping plates 405, a lifting hook frame 407 is fixedly connected to the lower side between the two clamping plates 405, a lifting hook 406 is fixedly connected to the lower side of the lifting hook frame 407, a driving gear 404, two walking gears 402, two driven wheels 408 and an I-shaped steel 401 are arranged on the upper side between the two clamping plates 405, and walking motors 403 are fixedly connected to the outer sides of the two clamping plates 405.

[0037] As shown in the figure, Figures 1-6As shown, the output shaft of the walking motor 403 passes through the clamping plate 405 and is fixedly connected with the driving gear 404, the driving gear 404 is drivingly connected with the two walking gears 402 above, the two walking gears 402 are both rotatably connected with the clamping plate 405 close to the walking motor 403, the two driven wheels 408 are rotatably connected with the clamping plate 405 away from the two walking gears 402, the I-beam 401 is slidingly connected between the two walking gears 402 and the two driven wheels 408, and the I-beam 401 is fixedly connected with the gear lug 304 away from the two lugs 301.

[0038] The working principle is as follows:

[0039] The lifting mechanism: start the lifting motor 207, the lifting motor 207 drives the conical gear two 206 to rotate, thereby driving the conical gear one 201 to rotate, so that the trapezoidal lead screw 204 rotates, the lifting block 205 moves up and down along the trapezoidal lead screw 204, and the two lugs 301 are driven by the lifting block 205 to move up and down.

[0040] The rotating mechanism: start the air cylinder 305, the air cylinder 305 drives the rack 302 to slide between the two lugs 301, the rack 302 drives the gear lug 304 to rotate, thereby driving the I-beam 401 to rotate 180° in the horizontal direction.

[0041] The lifting mechanism: start the walking motor 403, the walking motor 403 drives the two walking gears 402 to rotate through the driving gear 404, thereby driving the two walking gears 402 to slide along the I-beam 401, the two driven wheels 408 also slide along the I-beam 401, and the two walking gears 402 and the two driven wheels 408 drive the lifting hook 406 to move along the I-beam 401 along the direction of the I-beam 401.

[0042] The whole: the lifting mechanism 2 drives the rotating mechanism 3 to move up and down, the rotating mechanism 3 drives the lifting mechanism 4 to rotate 180° in the horizontal direction, and the lifting mechanism 4 drives the lifting hook 406 to slide along the I-beam 401, so as to be suitable for installing or dismounting ventilators of different heights, widths and lengths.

[0043] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change, etc. made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the present application technical scheme.

Claims

1. A safety line hanger for large centrifugal fan installation, characterized by, Including workshop steel structure stand (1), the workshop steel structure stand (1) is fixedly connected to the ground, one side of the workshop steel structure stand (1) is provided with lifting mechanism (2), the lifting mechanism (2) is provided with rotary mechanism (3) away from one side of the workshop steel structure stand (1), the rotary mechanism (3) is provided with hoisting mechanism (4) away from one side of the lifting mechanism (2).

2. The safety line hanger for large centrifugal fan installation according to claim 1, characterized in that, The lifting mechanism (2) includes a trapezoidal screw rod (204), the trapezoidal screw rod (204) is threadedly connected with a lifting block (205), and the trapezoidal screw rod (204) is fixedly connected with a bevel gear one (201) below. The bevel gear one (201) is fixedly connected with a bearing (202) below, and the bearing (202) is fixedly connected with the ground through a base one (203) below.

3. The safety line hanger for large centrifugal fan installation according to claim 2, characterized in that, One side of the bevel gear one (201) is provided with a lifting motor (207), the lifting motor (207) is fixedly connected to the ground through a base two (208), and the output shaft of the lifting motor (207) is fixedly connected with a bevel gear two (206), and the bevel gear two (206) is in transmission connection with the bevel gear one (201).

4. The safety line hanger for large centrifugal fan installation according to claim 3, characterized in that, The rotary mechanism (3) includes two lugs (301), the two lugs (301) are fixedly connected to the lifting block (205), and a rack (302) is slidably connected between the two lugs (301) close to one side of the lifting block (205), one side of the rack (302) is fixedly connected with a gas cylinder (305), and the gas cylinder (305) is fixedly connected to the lifting block (205) through a fixing frame (306). The two lugs (301) are hingedly connected with a gear lug (304) through a pin (303) away from one side of the lifting block (205), the gear of the gear lug (304) is engaged with the rack (302), and the gear of the gear lug (304) is a half gear.

5. The safety line hanger for large centrifugal fan installation according to claim 4, characterized in that, The hoisting mechanism (4) includes two clamping plates (405), a hook frame (407) is fixedly connected below the two clamping plates (405), and a hook (406) is fixedly connected below the hook frame (407); a driving gear (404), two walking gears (402), two driven wheels (408) and an I-beam (401) are arranged above the two clamping plates (405); and walking motors (403) are fixedly connected to the outer sides of the two clamping plates (405).

6. The safety line hanger for large centrifugal fan installation according to claim 5, wherein The output shaft of the walking motor (403) passes through the clamping plate (405) and is fixedly connected with the driving gear (404), the top of the driving gear (404) is respectively in transmission connection with two walking gears (402), the two walking gears (402) are both rotationally connected to the clamping plate (405) near one side of the walking motor (403), the two driven wheels (408) are rotationally connected to the clamping plate (405) away from the two walking gears (402), the I-shaped steel (401) is slidingly connected between the two walking gears (402) and the two driven wheels (408), and the I-shaped steel (401) is fixedly connected to the gear lug (304) away from the two lugs (301).

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