Rapid dismounting tool for roller connecting sleeve of planetary reducer of coal mining machine
By designing a quick disassembly tool that includes components such as the reducer body, housing, and I-beams, the problem of time-consuming and labor-intensive disassembly of the planetary reducer and drum connecting sleeve of the coal mining machine was solved, achieving an efficient and safe disassembly process and saving material costs.
Patent Information
- Application Number
- CN202423124659.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-18
AI Technical Summary
The disassembly process of the connecting sleeve between the planetary reducer and the drum of the existing coal mining machine is time-consuming and labor-intensive. Traditional methods result in bolt deformation and high material consumption, and the material cannot be reused, affecting disassembly efficiency and safety.
Design a quick disassembly tool comprising a reducer body, housing, I-beam, flat steel, connecting sleeve body, slot, bolt, and threaded groove. Utilize low-alloy high-strength steel material and achieve quick disassembly through the combination of jacks and bolts.
It simplifies the disassembly process, reduces labor intensity, saves material costs, improves disassembly efficiency and safety, and ensures the safety of equipment and personnel.
Smart Images

Figure CN223670647U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coal mine mechanical equipment maintenance technical field, concretely is a kind of quick dismounting tool of coal cutter planetary reducer drum coupling sleeve. BACKGROUND
[0002] The quick dismounting tool of coal cutter planetary reducer drum coupling sleeve is a special tool specially designed for coal cutter, which is used to quickly and efficiently dismount the coupling sleeve between the planetary reducer and the drum, simplifies the dismounting process, improves the maintenance efficiency, reduces the labor intensity, and ensures the safety and accuracy of the dismounting process.
[0003] The coupling sleeve between the planetary reducer and the drum of coal cutter is usually complex in structure and tightly connected, and the traditional dismounting method is time-consuming and laborious. The quick dismounting tool can simplify the dismounting steps, improve the dismounting efficiency and shorten the maintenance time. Therefore, the drum coupling sleeve quick dismounting tool is needed. In general, the end face threaded hole of the coupling sleeve is used to support the planet carrier, and the bolt is tightened with a wrench. The bolt is displaced downward by relying on the thread rotation. After the bolt thread is tightened, a long threaded bolt is replaced to repeat the above operation. This dismounting method has the following problems: the bolt bears a large force, the bolt is easily deformed, the bolt cannot be used again after being used once, the material consumption is large, and the effect is not obvious. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims to provide a kind of quick dismounting tool of coal cutter planetary reducer drum coupling sleeve to solve the problems raised in the above background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of quick dismounting tool of coal cutter planetary reducer drum coupling sleeve, including reducer body, further comprising:
[0006] The shell is arranged on one side of the reducer body, the shell is provided with an I-beam on one side, the inner wall of the I-beam is provided with a flat steel, and the inner wall of the shell is fixedly connected with a coupling sleeve body.
[0007] Preferably, the inner wall of the flat steel is provided with a slot hole, and the number of slot holes is four groups.
[0008] Preferably, the inner wall of the I-beam is threadedly connected with a bolt, and the number of bolts is four groups.
[0009] Preferably, the shell is provided with a plurality of threaded grooves, and the inner wall of the coupling sleeve body is threadedly connected with a plurality of fixing screws.
[0010] Preferably, the flat steel penetrates the inner wall of the I-beam to the other side, and the flat steel and the I-beam are fixed by welding.
[0011] Preferably, the bolt is threadedly connected to the inner wall of the I-beam and the inner wall of the shell.
[0012] Preferably, the I-beam material uses low alloy high strength steel, has higher strength and toughness.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] The utility model discloses a quick dismounting tool for the coupling sleeve of the planetary reducer drum of the coal mining machine, which comprises a reducer body, a shell, an I-beam, a flat steel, a coupling sleeve body, a slot hole, a bolt, a threaded groove and a fixing screw. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of the quick dismounting tool for the coupling sleeve of the planetary reducer drum of the coal mining machine provided by the utility model.
[0016] Figure 2 It is a structural schematic view of the shell and the coupling sleeve body provided by the utility model.
[0017] Figure 3 It is a structural schematic view of the shell and the I-beam provided by the utility model.
[0018] Figure 4 It is a structural schematic view of the shell and the I-beam provided by the utility model.
[0019] In the drawing: 1, reducer body;2, shell;3, I-beam;4, flat steel;5, coupling sleeve body;6, slot hole;7, bolt;8, threaded groove;9, fixing screw. DETAILED DESCRIPTION
[0020] In order to further illustrate the technical means and effects adopted by the utility model for realizing the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.
[0021] Please refer to Figures 1-4As shown, a kind of quick dismounting tool of coal cutter planetary reducer drum coupling sleeve, including reducer body 1, by setting reducer body 1, can facilitate the reduction of output torque, the shell 2 of one side of reducer body 1, by setting shell 2, can facilitate the installation of coupling sleeve body 5, the one side of shell 2 is provided with I-beam 3, by setting I-beam 3, can facilitate the welding connection of flat steel 4, the inner wall of I-beam 3 is provided with flat steel 4, by setting flat steel 4, can facilitate the establishment of slot 6, the inner wall of shell 2 is fixedly connected with coupling sleeve body 5, by setting coupling sleeve body 5, can facilitate the output shaft and input shaft to be connected.
[0022] The inner wall of flat steel 4 is provided with slot 6, by setting slot 6, can facilitate the installation of jack, and the number of slot 6 is set to four groups;The inner wall of I-beam 3 is threadedly connected with bolt 7, by setting bolt 7, can facilitate the threaded connection of shell 2, and the number of bolt 7 is set to four groups.
[0023] Shell 2 is provided with multiple threaded grooves 8, by setting threaded groove 8, can facilitate the threaded connection of bolt 7, the inner wall of coupling sleeve body 5 is threadedly connected with multiple fixed screws 9, by setting fixed screw 9, can facilitate the installation of coupling sleeve body 5;Flat steel 4 penetrates the inner wall of I-beam 3 to the other side, and flat steel 4 is fixed by welding with I-beam 3.
[0024] Bolt 7 is threadedly connected to the inner wall of I-beam 3 and the inner wall of shell 2;I-beam 3 is made of low-alloy high-strength steel, which has high strength and toughness.
[0025] Working principle: drum coupling sleeve body 5 upwards, horizontally place planetary reducer body 1, dismount the fixed screw 9 of drum coupling sleeve body 5, with bolt 7 and drum coupling sleeve body 5 are fixed and fastened, and constitute a whole with device, place wooden support pad block under I-beam 3 at the same level as the bearing frame of planetary reducer body 1, select two 10T hydraulic jacks, place the base on the bearing frame and wooden support pad block, fix the jack and load the piston, adjust the torque on both sides to be consistent, then quickly dismount the drum coupling sleeve body 5, to replace the floating oil seal or bearing.
[0026] The above is only the preferred embodiment of the present application, not any form of restriction on the present application, although the present application has been disclosed as above with preferred embodiment, however, it is not intended to limit the present application, any person skilled in the art, within the scope of the technical scheme of the present application, can make some changes or modifications to the above-mentioned disclosed technical content for equivalent embodiment, but as long as it does not deviate from the technical scheme of the present application, according to the technical essence of the present application, any modification, equivalent change and modification of the above embodiment, all still belong to the scope of the technical scheme of the present application.
Claims
1. A quick dismounting tool for a shearer planetary reducer drum coupling sleeve, comprising a reducer body (1), characterized in that, Also include: The shell (2) is arranged on one side of the decelerator body (1), one side of the shell (2) is provided with I-shaped steel (3), the inner wall of the I-shaped steel (3) is provided with flat steel (4), the inner wall of the shell (2) is fixedly connected with the coupling sleeve body (5).
2. The quick dismounting tool of a shearer planetary reducer drum coupling sleeve according to claim 1, characterized in that: The inner wall of the flat steel (4) is provided with a plurality of slot holes (6), and the number of the slot holes (6) is four groups.
3. The quick dismounting tool of a shearer planetary reducer drum coupling sleeve according to claim 1, characterized in that: The inner wall of the I-shaped steel (3) is threadedly connected with a plurality of bolts (7), and the number of the bolts (7) is four groups.
4. The quick dismounting tool of a shearer planetary reducer drum coupling sleeve according to claim 1, characterized in that: The shell (2) is provided with a plurality of threaded grooves (8), and the inner wall of the coupling sleeve body (5) is threadedly connected with a plurality of fixing screws (9).
5. The quick dismounting tool of a shearer planetary reducer drum coupling sleeve according to claim 1, characterized in that: The flat steel (4) penetrates through the inner wall of the I-shaped steel (3) to the other side, and the flat steel (4) and the I-shaped steel (3) are fixed by welding.
6. The quick dismounting tool of a shearer planetary reducer drum coupling sleeve according to claim 3, characterized in that: The bolt (7) is threadedly connected with the inner wall of the I-shaped steel (3) and the inner wall of the shell (2).
7. The quick dismounting tool of a shearer planetary reducer drum coupling sleeve according to claim 3, characterized in that: The I-shaped steel (3) is made of low alloy high strength steel, which has high strength and toughness.