Quick-release crowned tooth coupling
By using high-strength bolts through fixing and HT250 material in the coupling, the overload shaft wear and slip problems of the coal grader coupling are solved, and the transmission torque and working efficiency are improved.
Patent Information
- Application Number
- CN202323508469.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-22
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2033-12-22
AI Technical Summary
The existing coal graded double-tooth roller crusher couplings have problems such as wear and slippage of overload shafts.
A quick-removal drum-shaped tooth coupling is designed to achieve detachability through the penetration of high-strength bolts, and the cone sleeve is strongly fixed by multiple high-strength bolts to increase the clamping force of the cone sleeve to the shaft. The HT250 material improves strength, wear and heat resistance, and reduces compressive stress to avoid overload shaft wear.
The high clamping force of the cone sleeve to the shaft is achieved, avoiding slippage and overload shaft wear, and improving the transmission torque and working efficiency.
Smart Images

Figure CN222254774U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of couplings, in particular to a quick-release drum-shaped gear coupling. Background Art
[0002] Coal resources are my country's basic energy and important industrial raw materials, which strongly support the development of the national economy. Crushing equipment is an important component of coal, and its working performance is the key to whether coal can be efficiently sorted. The drum gear coupling is a rigid-flexible coupling. The gear coupling is composed of an inner gear ring with the same number of teeth and a flange half coupling with external teeth.
[0003] The current graded double-toothed roller crusher coupling for raw coal mines has the disadvantages of overload shaft wear and slippage that cannot be repaired. Therefore, those skilled in the art provide a quick-release drum-shaped gear coupling to solve the problems raised in the above background technology. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a quick-release drum-shaped gear coupling is proposed. Through the penetration fixation of high-strength bolts, it is made detachable and can be easily disassembled. The cone sleeve is strongly fixed by multiple high-strength bolts, so that the positive pressure of the high-strength bolts on the cone sleeve is increased, thereby improving the clamping force of the cone sleeve on the shaft. Then, the compressive stress on the shaft is reduced by the conical length of the cone sleeve, so that the clamping force of the cone sleeve is greater, thereby improving the transmission torque and avoiding the disadvantage of slipping that cannot be repaired. Finally, HT250 is selected as the material of the quick-release drum-shaped gear coupling, so that its strength, wear resistance, heat resistance and vibration reduction are all increased, thereby avoiding overload shaft wear and improving its work efficiency.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick-release drum gear coupling, comprising two inner gear sleeves at the driving ends, outer gear sleeves at the driving ends are provided at the outer sides of the two inner gear sleeves at the driving ends, sealing covers are provided at one side of the two outer gear sleeves at the driving ends, and a plurality of fixers are arranged in a circular pattern on one side of the two sealing covers, outer gear sleeves at the gear roller shaft ends are provided at the outer sides of the two outer gear sleeves at the driving ends, a plurality of round nuts are arranged in a circular pattern on one side wall of the outer gear sleeve at the gear roller shaft end on one side, a plurality of safety pins are symmetrically provided with the plurality of round nuts on one side wall of the outer gear sleeve at the gear roller shaft end on the other side, inner gear sleeves at the gear roller shaft end are provided inside the two outer gear sleeves at the driving ends, a tapered sleeve is provided at one side of the center of the inner gear sleeve at the gear roller shaft end on one side, a plurality of high-strength bolts are arranged in a circular pattern on one side of the tapered sleeve, and gear rings are provided inside the tapered sleeve and the inner gear sleeve at the gear roller shaft end on the other side;
[0006] Through the above technical solution, the high-strength bolts are used to fix the cone sleeve, making it detachable and easy to disassemble. The cone sleeve is then strongly fixed by multiple high-strength bolts, which increases the positive pressure of the high-strength bolts on the cone sleeve, thereby improving the clamping force of the cone sleeve on the shaft.
[0007] Furthermore, the end of the round nut passes through the two outer gear sleeves at the ends of the gear roller shafts, and the threaded sleeve of the safety pin is connected to the end of the round nut;
[0008] Through the above technical solution, the outer gear sleeves at the shaft ends of the two gear rollers are fixed by round nuts and safety pins, thereby improving the equipment.
[0009] Furthermore, the high-strength bolt comprises a bolt head, a threaded rod and a threaded hole, wherein the bolt head is arranged at one side of the cone sleeve, the threaded rod is arranged at the output end of the bolt head, and the threaded hole is sleeved at the outer side of the threaded rod;
[0010] Through the above technical solution, the threaded rod is driven to rotate by rotating the bolt head, so that the threaded rod is threadedly sleeved into the threaded hole, thereby achieving a fixing effect.
[0011] Furthermore, the retainer passes through the sealing cover and one side of the driving end outer gear sleeve in sequence and reaches the inside of the driving end outer gear sleeve;
[0012] Through the above technical solution, the sealing cover is fixed by the fixer, thereby achieving a fixing effect and facilitating easy assembly and disassembly.
[0013] Furthermore, the threaded rod passes through the tapered sleeve and one side of the inner gear sleeve at the end of the gear roller shaft respectively and passes into the inner gear sleeve at the end of the gear roller shaft;
[0014] Through the above technical solution, the threaded rod is threadedly rotated to penetrate the inner gear sleeve at the end of the gear roller shaft, so that it can be disassembled easily.
[0015] Furthermore, the two outer gear sleeves at the ends of the gear roller shafts are fitted to each other, and the two inner gear sleeves at the driving ends, the two sealing covers, and the two outer gear sleeves at the driving ends are symmetrically arranged with the two outer gear sleeves at the ends of the gear roller shafts as the axis;
[0016] Through the above technical solution, the outer gear sleeves at the ends of the two gear roller shafts fit each other, so as to achieve the symmetry of the equipment and improve the equipment.
[0017] Furthermore, the materials of the inner gear sleeve at the driving end, the sealing cover, the outer gear sleeve at the driving end and the outer gear sleeve at the gear roller shaft end are all HT250;
[0018] Through the above technical solution, by selecting HT250 as the material of the quick-release drum gear coupling, its strength, wear resistance, heat resistance and vibration reduction are increased, thereby avoiding overload shaft wear and improving its work efficiency.
[0019] The utility model has the following beneficial effects:
[0020] 1. In the utility model, when the quick-release drum gear coupling is used, the cone sleeve is strongly fixed by a plurality of high-strength bolts, so that the positive pressure of the high-strength bolts on the cone sleeve is increased, thereby improving the clamping force of the cone sleeve on the shaft.
[0021] 2. In the utility model, the material of the quick-release drum gear coupling is HT250, so that its strength, wear resistance, heat resistance and vibration reduction are increased, thereby avoiding overload shaft wear and improving its working efficiency.
[0022] 3. In the utility model, the high-strength bolts are used to fix the shaft through the shaft so that the shaft can be easily disassembled. The tapered length of the tapered sleeve can be used to reduce the compressive stress on the shaft, so that the clamping force of the tapered sleeve is greater, thereby improving the transmitted torque and avoiding the problem of slipping and being unable to be repaired. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 A three-dimensional diagram of a quick-release drum gear coupling proposed by the utility model;
[0024] Figure 2 It is a partial front view cross-sectional view of a quick-release drum gear coupling proposed by the utility model;
[0025] Figure 3 for Figure 2 A is an enlarged schematic diagram;
[0026] Figure 4 The utility model is a side sectional view of a quick-release drum gear coupling.
[0027] Legend:
[0028] 1. Inner gear sleeve at driving end; 2. Sealing cover; 3. Outer gear sleeve at driving end; 4. Safety pin; 5. Outer gear sleeve at gear roller shaft end; 6. Round nut; 7. Taper sleeve; 8. High-strength bolt; 801. Bolt head; 802. Threaded rod; 803. Threaded hole; 9. Inner gear sleeve at gear roller shaft end; 10. Gear ring; 11. Fixer. DETAILED DESCRIPTION
[0029] 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.
[0030] Reference Figure 1-4The utility model provides an embodiment: a quick-release drum gear coupling, including two driving end inner gear sleeves 1, the outer sides of the two driving end inner gear sleeves 1 are each provided with a driving end outer gear sleeve 3, one side of the two driving end outer gear sleeves 3 is provided with a sealing cover 2, one side of the two sealing covers 2 is arranged in a circular manner and is provided with a plurality of fixers 11, the outer sides of the two driving end outer gear sleeves 3 are each provided with a gear roller shaft end outer gear sleeve 5, a side wall of the gear roller shaft end outer gear sleeve 5 on one side is arranged in a circular manner and is provided with a plurality of round nuts 6, and a side wall of the gear roller shaft end outer gear sleeve 5 on the other side is symmetrically provided with the plurality of round nuts 6 There are multiple safety pins 4, and the inner gear sleeves 9 of the gear roller shaft end are arranged inside the two driving end outer gear sleeves 3. A tapered sleeve 7 is provided on the center side of the inner gear sleeve 9 of the gear roller shaft end on one side, and multiple high-strength bolts 8 are arranged in a circular shape on one side of the tapered sleeve 7. The tapered sleeve 7 and the inner gear sleeve 9 of the gear roller shaft end on the other side are both provided with gear rings 10. Through the penetration and fixation of the high-strength bolts 8, it can be detachable and can be easily disassembled. Then, the tapered sleeve 7 is strongly fixed by multiple high-strength bolts 8, so that the positive pressure of the high-strength bolts 8 on the tapered sleeve 7 is increased, thereby improving the clamping force of the tapered sleeve 7 on the shaft.
[0031] The end of the round nut 6 passes through the two outer gear sleeves 5 at the ends of the gear roller shafts, and the safety pin 4 is threadedly sleeved and connected to the end of the round nut 6. The two outer gear sleeves 5 at the ends of the gear roller shafts are fixed by the round nut 6 and the safety pin 4, thereby completing the equipment.
[0032] The high-strength bolt 8 includes a bolt head 801, a threaded rod 802 and a threaded hole 803. The bolt head 801 is arranged on one side of the tapered sleeve 7, the threaded rod 802 is arranged at the output end of the bolt head 801, and the threaded hole 803 is sleeved on the outside of the threaded rod 802. By rotating the bolt head 801, the threaded rod 802 is driven to rotate, so that the threaded rod 802 is threadedly rotated and sleeved into the threaded hole 803, so as to achieve a fixing effect.
[0033] The fixer 11 passes through the sealing cover 2 and one side of the driving end outer gear sleeve 3 in sequence to the inside of the driving end outer gear sleeve 3, and the sealing cover 2 is fixed by the fixer 11, thereby achieving a fixing effect and facilitating easy loading and unloading.
[0034] The threaded rod 802 passes through the tapered sleeve 7 and one side of the inner gear sleeve 9 at the end of the gear roller shaft respectively and reaches the inside of the inner gear sleeve 9 at the end of the gear roller shaft. The threaded rod 802 passes through the inner gear sleeve 9 at the end of the gear roller shaft by threaded rotation, thereby achieving detachability and being easily disassembled.
[0035] The two outer gear sleeves 5 at the ends of the gear roller shafts fit together, and the two inner gear sleeves 1 at the driving ends, the two sealing covers 2, and the two outer gear sleeves 3 at the driving ends are symmetrically arranged with the two outer gear sleeves 5 at the ends of the gear roller shafts as the axis. The two outer gear sleeves 5 at the ends of the gear roller shafts fit together to achieve the symmetry of the equipment, thereby improving the equipment. The materials of the inner gear sleeve 1 at the driving end, the sealing cover 2, the outer gear sleeve 3 at the driving end and the outer gear sleeve 5 at the ends of the gear roller shafts are all HT250. HT250 is selected as the material of the quick-release drum gear coupling, so that its strength, wear resistance, heat resistance and vibration reduction are increased, thereby avoiding overload shaft wear and improving its work efficiency.
[0036] Working principle: The sealing cover 2 is fixed by the fixer 11 to achieve the fixing effect, and then the high-strength bolt 8 is used to fix it so that it can be detachable and can be easily disassembled, and then the two outer gear sleeves 5 at the ends of the gear roller shafts are fixed by the round nut 6 and the safety pin 4 so that the two outer gear sleeves 5 at the ends of the gear roller shafts fit each other to achieve the symmetry of the equipment and improve the equipment, and then the threaded rod 802 is driven to rotate by rotating the bolt head 801 so that the threaded rod 802 is threadedly rotated and sleeved into the threaded hole 803 to achieve the fixing effect, so that the positive pressure of the high-strength bolt 8 on the tapered sleeve 7 is increased, thereby increasing the clamping force of the tapered sleeve 7 on the shaft, and then the compressive stress on the shaft is reduced by the tapered length of the tapered sleeve 7, so that the greater the clamping force of the tapered sleeve 7, the greater the transmission torque, and avoids the disadvantage of slipping and being unable to be repaired. Finally, the material of the quick-release drum gear coupling is selected as HT250, so that its strength, wear resistance, heat resistance and vibration reduction are increased, thereby avoiding overload shaft wear and improving its work efficiency.
[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A quick-release drum gear coupling, comprising two drive-end internal gear sleeves (1), characterized in that: The outer sides of the two inner gear sleeves (1) at the driving ends are provided with outer gear sleeves (3) at the driving ends, and the sealing covers (2) are provided at one side of the two outer gear sleeves (3) at the driving ends. A plurality of fixers (11) are arranged in a circular pattern on one side of the two sealing covers (2). The outer sides of the two outer gear sleeves (3) at the driving ends are provided with outer gear sleeves (5) at the gear roller shaft ends. A plurality of round nuts (6) are arranged in a circular pattern on one side wall of the outer gear sleeve (5) at the gear roller shaft ends on one side, and a plurality of safety pins (4) are symmetrically arranged with the plurality of round nuts (6) on one side wall of the outer gear sleeve (5) at the gear roller shaft ends on the other side. An inner gear sleeve (9) at the gear roller shaft ends is provided inside the two outer gear sleeves (3). A conical sleeve (7) is provided at the center side of the inner gear sleeve (9) at the gear roller shaft ends on one side, and a plurality of high-strength bolts (8) are arranged in a circular pattern on one side of the conical sleeve (7). A gear ring (10) is provided inside the conical sleeve (7) and the inner gear sleeve (9) at the gear roller shaft ends on the other side.
2. A quick-release drum gear coupling according to claim 1, characterized in that: The end of the round nut (6) passes through the two outer gear sleeves (5) at the ends of the gear roller shafts, and the safety pin (4) is threadedly sleeved and connected to the end of the round nut (6).
3. The quick-release drum gear coupling according to claim 1, characterized in that: The high-strength bolt (8) comprises a bolt head (801), a threaded rod (802) and a threaded hole (803); the bolt head (801) is arranged at one side of the cone sleeve (7); the threaded rod (802) is arranged at the output end of the bolt head (801); and the threaded hole (803) is sleeved on the outside of the threaded rod (802).
4. The quick-release drum gear coupling according to claim 1, characterized in that: The fixer (11) passes through the sealing cover (2) and one side of the driving end outer gear sleeve (3) in sequence and reaches the interior of the driving end outer gear sleeve (3).
5. The quick-release drum gear coupling according to claim 3, characterized in that: The threaded rod (802) passes through the tapered sleeve (7) and one side of the inner gear sleeve (9) at the end of the gear roller shaft in sequence and reaches the interior of the inner gear sleeve (9) at the end of the gear roller shaft.
6. The quick-release drum gear coupling according to claim 1, characterized in that: The two gear roller shaft end outer gear sleeves (5) fit each other, and the two drive end inner gear sleeves (1), the two sealing covers (2), and the two drive end outer gear sleeves (3) are symmetrically arranged with the two gear roller shaft end outer gear sleeves (5) as the axis.
7. The quick-release drum gear coupling according to claim 1, characterized in that: The material of the driving end inner gear sleeve (1), the sealing cover (2), the driving end outer gear sleeve (3) and the gear roller shaft end outer gear sleeve (5) are all HT250.
Citation Information
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