Lifting and transferring device for stirring speed reducer of extraction tank

Abstract

The utility model discloses an extraction tank stirring speed reducer lifting transfer device which comprises a support and a cantilever frame, the cantilever frame comprises a bottom plate, a lifting mechanism and a fork frame, the bottom plate is installed on the support through a guide sliding structure, the lifting mechanism is installed on the top of the bottom plate, one end of the fork frame is installed on the lifting mechanism, and the other end of the fork frame is overhung. The speed reducer can be conveniently lifted and shifted through the cooperation of the cantilever frame and the support, the device is simple in structure, the speed reducer does not need to be manually lifted out, a truck crane does not need to be adopted, the labor intensity of maintainers is relieved, and the maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of extraction tank maintenance auxiliary tool, especially relates to a kind of lifting and transfer device of extraction tank stirring reduction gear. BACKGROUND

[0002] Referring to Figure 5 At the top of the extraction tank 1 for extracting phosphoric acid, a profile steel support 2 is installed, the profile steel support 2 is installed with an equipment base 3, the equipment base 3 is installed with a reduction gear 4 and a motor 5, the motor 5 is connected and driven with the reduction gear 4 through a shaft coupling, the stirring shaft 6 of the stirring device in the extraction tank 1 is installed in the equipment base 3 through bearing rotation, the output shaft of the reduction gear 4 is drivingly connected with the stirring shaft 6.

[0003] During maintenance, if the bearing of the stirring shaft 6 needs to be checked or replaced, the reduction gear 4 needs to be lifted out to facilitate maintenance. Since the reduction gear 4 is heavy and the height of the extraction tank 1 is high, no lifting equipment is installed on the extraction tank 1. During maintenance, it is usually lifted out by manpower. When lifted out by manpower, multiple people are needed, which not only consumes time and effort, but also has high safety risk due to limited space. If a truck crane is used, the labor intensity of the maintenance personnel is reduced, but the truck crane needs to occupy the main access of the factory, which hinders the passage of other vehicles. At the same time, due to the presence of many surrounding equipment, the extension of the hoist arm and the lifting need to be particularly careful, which is not convenient for hoisting and has low hoisting efficiency. In order to solve the above problems, technical personnel of our company designed the lifting and transfer device of the extraction tank stirring reduction gear according to the actual situation on site. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is to solve the problems in the above background, provide a kind of lifting and transfer device of the extraction tank stirring reduction gear, by cantilever frame and support cooperation, to be able to conveniently lift and displace reduction gear, device structure is simple, does not need to lift out reduction gear by manpower, does not need to use truck crane, reduces the labor intensity of the maintenance personnel, improves the maintenance efficiency.

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is: a kind of lifting and transfer device of the extraction tank stirring reduction gear, including support and cantilever frame, the cantilever frame includes bottom plate, lifting mechanism and fork, bottom plate is installed on support by guide sliding structure, bottom plate top is installed with lifting mechanism, fork one end is installed on lifting mechanism, and the other end is cantilevered.

[0006] The guide sliding structure includes a sliding groove arranged on both sides of the top of the support, and a roller assembly installed on the lower part of the bottom plate, the roller assembly is provided with at least two groups corresponding to the sliding groove on each side, and the roller assembly is slidably connected with the sliding groove.

[0007] The roller assembly comprises a support plate, a support wheel and an axle, the support plate is fixedly connected to the bottom of the bottom plate, the axle is rotatably connected with the support wheel through a bearing, the axle is fixedly connected with the support plate, and the support wheel is matched with the sliding groove to roll.

[0008] The lifting mechanism comprises a sleeve, an insertion rod and a pin shaft, the sleeve is fixedly installed longitudinally on the bottom plate, the insertion rod is fixedly installed longitudinally on the fork frame, the insertion rod is slidably inserted into the sleeve, the upper end of the sleeve is provided with a limiting hole, the lower end of the insertion rod is provided with a corresponding hole, when the fork frame is lifted and the limiting hole and the corresponding hole are penetrated, the pin shaft is inserted into the limiting hole and the corresponding hole.

[0009] The lifting mechanism is provided with four.

[0010] The fork frame comprises two fork rods, and the two fork rods are respectively installed on the lifting mechanism.

[0011] The fork frame further comprises connecting rods, at least two connecting rods are fixedly connected between the two fork rods, and the connecting rods are located at one end of the fork rods.

[0012] The lower part of the support is provided with a track wheel set.

[0013] The counterweight is installed on the support and at an end away from the cantilever of the fork frame.

[0014] The utility model has the advantages of the following:

[0015] 1. The utility model discloses a lifting device for speed reducer, which comprises a bottom plate, a cantilever frame and a support, the cantilever frame is fixedly connected to the bottom plate, the support is fixedly connected to the cantilever frame, and the support is provided with a sliding groove.

[0016] 2. The lower part of the support is provided with a track wheel set, the profile steel support on the extraction tank is used as a track, and the device is moved on the profile steel support through the track wheel set, so that the speed reducer is further moved away, and more space is provided for maintenance.

[0017] 3. The support is provided with a counterweight at an end away from the cantilever of the fork frame, so that the device is prevented from losing balance when the speed reducer is lifted. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further described in connection with the drawings and examples.

[0019] Figure 1 It is a front view structural schematic diagram of the utility model.

[0020] Figure 2 It is Figure 1 It is a sectional view structural schematic diagram of A-A.

[0021] Figure 3for Figure 1 Schematic diagram of the cross-sectional structure of the middle BB.

[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of the fork frame of this utility model.

[0023] Figure 5 This is a schematic diagram of the structure at the top of an existing extraction tank.

[0024] Figure 6 This is a schematic diagram showing the cantilever end of the cantilever frame of this utility model inserted into the gap between the reducer and the equipment base.

[0025] Figure 7 This is a schematic diagram showing the cantilever frame and speed reducer lifted by jacks.

[0026] Figure 8 This is a diagram showing the placement of wooden blocks between the cantilever end of the cantilever frame and the support after the pin is installed and the cantilever frame is moved to the left.

[0027] In the picture:

[0028] 1. Extraction tank; 2. Steel frame; 3. Equipment base; 4. Reducer; 5. Motor; 6. Stirring shaft; 7. Jack; 8. Wooden blocks.

[0029] Support 10, slide 11;

[0030] Cantilever frame 20, base plate 21, roller assembly 22, support plate 221, support wheel 222, wheel axle 223, lifting mechanism 23, sleeve 231, insertion rod 232, limiting hole 233, corresponding hole 234, pin 235, fork 24, fork rod 241, connecting rod 242, counterweight 30, track wheel set 40, wheel seat 41, support shaft 42, track wheel 43. Detailed Implementation

[0031] Example 1:

[0032] like Figures 1-4 As shown, a lifting and transfer device for an extraction tank agitator reducer includes a support 10 and a cantilever frame 20. The cantilever frame 20 includes a base plate 21, a lifting mechanism 23, and a fork 24. The base plate 21 is mounted on the support 10 via a guide sliding structure. The lifting mechanism 23 is installed on the top of the base plate 21. One end of the fork 24 is mounted on the lifting mechanism 23, and the other end is cantilevered. Through the cooperation of the cantilever frame 20 and the support 10, the reducer 4 can be easily lifted and moved. The device has a simple structure, eliminates the need for manual lifting of the reducer 4, and does not require a truck crane, thus reducing the labor intensity of maintenance personnel and improving maintenance efficiency.

[0033] In this embodiment, see Figure 1 , 2The guiding and sliding structure comprises sliding grooves 11 arranged on both sides of the top of the support 10 and roller assemblies 22 installed on the lower part of the bottom plate 21, and each side of the sliding groove 11 is provided with at least two groups of roller assemblies 22, and the roller assemblies 22 are in sliding fit with the sliding grooves 11.

[0034] Specifically, the roller assembly 22 comprises a support plate 221, a support wheel 222 and an axle 223, the support plate 221 is fixedly connected to the bottom of the bottom plate 21, the axle 223 is rotatably connected to the support wheel 222 through a bearing, and the axle 223 is fixedly connected to the support plate 221; the support wheel 222 rolls in cooperation with the sliding groove 11.

[0035] The bottom plate 21 can slide reciprocally on the support 10 through the rolling cooperation of the support wheel 222 and the sliding groove 11.

[0036] In the embodiment, the support 10 is a frame structure welded by section steels, and the upper side of the frame is welded with a channel steel to form the sliding groove 11, as shown in Figure 3 .

[0037] It should be noted that, referring to Figure 1 , when the speed reducer 4 is transported, the cantilever end of the cantilever frame 20 is stressed, so in Figure 1 , the roller assembly 22 on the left side abuts against the upper side wall of the sliding groove 11, and the roller assembly 22 on the right side abuts against the lower side wall of the sliding groove 11.

[0038] In addition to the above structure, the guiding and sliding structure can also adopt the sliding fit structure of a linear guide rail and a sliding block. For example, two parallel linear guide rails are installed on the top of the support 10, at least two sliding blocks are installed on each guide rail, and the bottom plate 21 is fixedly installed on the sliding blocks.

[0039] In the embodiment, referring to Figure 1 , 3 , the lifting mechanism 23 comprises a sleeve 231, an insertion rod 232 and a pin shaft 235, the sleeve 231 is fixedly installed on the bottom plate 21 in the longitudinal direction, the insertion rod 232 is fixedly installed on the fork frame 24 in the longitudinal direction, the insertion rod 232 is slidably inserted into the sleeve 231, the upper end of the sleeve 231 is provided with a limiting hole 233, the lower end of the insertion rod 232 is provided with a corresponding hole 234, when the fork frame 24 is lifted and the limiting hole 233 and the corresponding hole 234 are penetrated, the pin shaft 235 is inserted into the limiting hole 233 and the corresponding hole 234.

[0040] Specifically, referring to Figure 1 , 3 , 4, the lifting mechanism 23 is provided with four.

[0041] In addition to the above structure, the lifting mechanism 23 can also adopt a scissor lifting structure.

[0042] In the embodiment, referring to Figure 1 、 4 , the fork frame 24 comprises two fork rods 241, and the two fork rods 241 are respectively installed on the lifting mechanism 23. Figure 4 Specifically, each fork rod 241 is provided with two insertion rods 232 at the bottom.

[0043] Further, the fork frame 24 further comprises connecting rods 242, and at least two connecting rods 242 are fixed between the two fork rods 241 and located at one end of the fork rod 241. The connecting rods 242 improve the structural stability of the fork frame 24.

[0044] Embodiment 2:

[0045] Based on the embodiment 1, referring to Figure 1 、 2 , 3, the lower part of the support 10 is provided with the track wheel set 40. The profiled steel support 2 on the extraction tank 1 is used as a track, and the device moves on the profiled steel support 2 through the track wheel set 40, so that the speed reducer is further moved away, and more space is provided for maintenance.

[0046] Specifically, referring to Figure 2 , the track wheel set 40 comprises a wheel seat 41, a supporting shaft 42 and a track wheel 43, and the track wheel 43 is rotatably installed on the wheel seat 41 through the supporting shaft 42.

[0047] In the embodiment, one track wheel set 40 is installed at each of the four corners of the lower side of the support 10. The track wheel 43 is a double-sided track wheel, which is convenient to be clamped on the profiled steel of the profiled steel support 2.

[0048] Embodiment 3:

[0049] Based on the embodiment 1 or the embodiment 2, referring to Figure 1 , the counterweight 30 is installed on the support 10 and away from the cantilever end of the fork frame 24. The counterweight 30 is installed to prevent the device from losing balance when lifting the speed reducer.

[0050] It should be noted that the counterweight 30 can be a metal block fixed on the support 10, or an iron block or a concrete block prepared on site.

[0051] The action process or principle of the device is as follows:

[0052] In use, referring to Figure 6, the shaft coupling bolt between the speed reducer 4 and the motor 5, and the connecting bolt between the speed reducer 4 and the equipment base 3 are loosened. The overhanging frame 20 is slid to one end of the support 10, and the overhanging end of the overhanging frame 20 is inserted into the gap between the speed reducer 4 and the equipment base 3. Then four jacks 7 are placed on the equipment base 3, or two jacks 7 are placed diagonally, and the jacks 7 are located below the overhanging frame 20.

[0053] Referring to Figure 7 The overhanging frame 20 and the speed reducer 4 are lifted by the jacks 7, and when the limiting hole 233 and the corresponding hole 234 are aligned, the pin shaft 235 is inserted.

[0054] Referring to Figure 8 The jacks 7 are released, the jacks 7 are removed, and the weight of the speed reducer 4 falls on the overhanging frame 20. The overhanging frame 20 is pushed to the left side, and the wooden block 8 is placed between the overhanging end of the overhanging frame 20 and the support 10.

[0055] When the speed reducer 4 is disassembled, the reverse operation is performed.

Claims

1. A lifting and transferring device for an extraction tank stirring reducer, characterized in that... The device includes a support (10) and a cantilever frame (20). The cantilever frame (20) includes a base plate (21), a lifting mechanism (23), and a fork frame (24). The base plate (21) is mounted on the support (10) through a guide sliding structure. The lifting mechanism (23) is installed on the top of the base plate (21). One end of the fork frame (24) is mounted on the lifting mechanism (23), and the other end is cantilevered.

2. The lifting and transferring device for an extraction tank stirring reducer according to claim 1, characterized in that: The guide sliding structure includes a slide groove (11) on both sides of the top of the support (10) and a roller assembly (22) installed on the bottom of the base plate (21). The roller assembly (22) is installed with at least two sets corresponding to the slide groove (11) on each side, and the roller assembly (22) is slidably connected to the slide groove (11).

3. The lifting and transferring device for an extraction tank stirring reducer according to claim 2, characterized in that: The roller assembly (22) includes a support plate (221), a support wheel (222), and a wheel axle (223). The support plate (221) is fixed to the bottom of the base plate (21). The wheel axle (223) is rotatably connected to the support wheel (222) through a bearing. The wheel axle (223) is fixedly connected to the support plate (221). The support wheel (222) rolls in cooperation with the slide groove (11).

4. The lifting and transferring device for an extraction tank stirring reducer according to claim 1, characterized in that: The lifting mechanism (23) includes a sleeve (231), an insertion rod (232), and a pin (235). The sleeve (231) is longitudinally fixed on the base plate (21), and the insertion rod (232) is longitudinally fixed on the fork (24). The insertion rod (232) is slidably inserted into the sleeve (231). The upper end of the sleeve (231) is provided with a limiting hole (233), and the lower end of the insertion rod (232) is provided with a corresponding hole (234). When the fork (24) is raised and the limiting hole (233) and the corresponding hole (234) are connected, the pin (235) is inserted into the limiting hole (233) and the corresponding hole (234).

5. The lifting and transfer device for an extraction tank stirring reducer according to claim 4, characterized in that: The lifting mechanism (23) has four parts.

6. The lifting and transferring device for an extraction tank stirring reducer according to claim 1, characterized in that: The fork (24) includes two forks (241), which are respectively mounted on the lifting mechanism (23).

7. The lifting and transferring device for an extraction tank stirring reducer according to claim 6, characterized in that: The fork (24) also includes connecting rods (242), at least two connecting rods (242) are fixed between two fork rods (241), and the connecting rods (242) are located at one end of the fork rods (241).

8. The lifting and transferring device for an extraction tank stirring reducer according to claim 1, characterized in that: The lower part of the support (10) is equipped with a track wheel assembly (40).

9. The lifting and transferring device for an extraction tank stirring reducer according to claim 1, characterized in that: A counterweight (30) is installed on the support (10) and at the end that is cantilevered away from the fork (24).

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