Conveniently dismountable tensioner sleeve

Abstract

The utility model relates to mechanical connecting element technical field, specifically disclose a convenient dismounting's tension sleeve, including axle, the outer wall of axle is provided with tension sleeve, the tension sleeve includes: middle sleeve, the middle sleeve is movably sleeved in the middle part of axle outer wall, the middle sleeve is split into two halves, and two halves are through bolt detachable connection, right sleeve, right sleeve is sleeved in one end of axle outer wall, right sleeve is split into two halves, left sleeve, left sleeve is sleeved in the other end of axle outer wall, left sleeve is split into two halves, long bolt, long bolt connects right sleeve and left sleeve, installs first split middle sleeve two halves and is put into axle middle part, then fixes split two halves middle sleeve through bolt, again split left sleeve, right sleeve is placed respectively in axle both ends, connects left and right sleeve through long bolt and is tightened, and then through split type tension sleeve, convenient and fast dismounting, shorten the overhaul time, and reduce the labor intensity of overhaul personnel and the consumption of spare parts.

Description

Technical Field

[0001] This utility model relates to the field of mechanical connection element technology, and specifically discloses a tensioning sleeve that is easy to assemble and disassemble. Background Technology

[0002] In metallurgical enterprises, tension sleeves, as mechanical connecting elements, are mainly used to achieve keyless connections between shafts and bearings. They transmit torque and axial force through friction and are characterized by easy installation, high positioning accuracy, and reusability, making them widely used in mechanical transmission systems.

[0003] In practical use, replacing the tensioning sleeve requires installation from one side of the shaft, necessitating the removal of other shaft components before reassembling them and installing the tensioning sleeve. This significantly extends maintenance time and increases the workload for maintenance personnel. Furthermore, the disassembly and reassembly of other components can easily damage them, increasing spare parts costs. Therefore, a tensioning sleeve that is easy to disassemble and assemble is needed to solve this problem. Utility Model Content

[0004] This utility model proposes a tensioning sleeve that is easy to disassemble and assemble. By adopting a split tensioning sleeve, disassembly and assembly are convenient and quick, shortening maintenance time and reducing the labor intensity of maintenance personnel and the consumption of spare parts.

[0005] This utility model is implemented as follows: a tensioning sleeve that is easy to assemble and disassemble includes a shaft, and the outer wall of the shaft is provided with a tensioning sleeve.

[0006] The tensioning sleeve includes:

[0007] An intermediate sleeve is movably fitted onto the middle part of the outer wall of the shaft. The intermediate sleeve is divided into two halves, and the two halves are detachably connected by bolts.

[0008] The right sleeve is fitted onto one end of the outer wall of the shaft, and the right sleeve is split into two halves;

[0009] The left sleeve is fitted onto the other end of the outer wall of the shaft, and the left sleeve is split into two halves;

[0010] A long bolt, which connects the right sleeve and the left sleeve, is used to adjust the tension of the tensioning sleeve.

[0011] As a preferred embodiment of the present invention, the inner hole of the intermediate sleeve has the same taper on both sides, and the outer surfaces of the right and left sleeves are taper, which matches the taper of the inner hole of the intermediate sleeve.

[0012] As a preferred embodiment of this utility model of a tensioning sleeve that is easy to assemble and disassemble, the left sleeve and the right sleeve are arranged with a circumferential difference during installation.

[0013] As a preferred embodiment of this utility model of a tensioning sleeve that is easy to assemble and disassemble, the outer circle of the intermediate sleeve mates with the inner hole of the bearing to achieve a keyless connection between the shaft and the bearing.

[0014] As a preferred embodiment of this utility model of a tensioning sleeve that is easy to assemble and disassemble, the split middle sleeve, left sleeve, and right sleeve are all symmetrical structures.

[0015] The beneficial effects of this utility model are:

[0016] During installation, first insert the two halves of the split intermediate sleeve into the middle of the shaft, and then fix the two halves of the split intermediate sleeve with bolts; then place the split left and right sleeves at both ends of the shaft, connect the left and right sleeves with long bolts and tighten them. By using split tension sleeves, disassembly and assembly are convenient and quick, shortening maintenance time and reducing the labor intensity of maintenance personnel and the consumption of spare parts. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0018] Figure 1 This is an overall structural diagram of a tensioning sleeve that is easy to assemble and disassemble according to this utility model.

[0019] Figure 2 This is a side view of the tensioning sleeve of this utility model, which is easy to assemble and disassemble.

[0020] Figure 3 This is a top view of the tensioning sleeve of this utility model, which is easy to assemble and disassemble.

[0021] Figure 4 This is a cross-sectional view of a tensioning sleeve that is easy to assemble and disassemble according to the present invention.

[0022] The markings in the diagram are: 1. Shaft; 2. Intermediate sleeve; 201. Bolt; 3. Right sleeve; 4. Left sleeve; 5. Long bolt. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments to aid in understanding its content. Unless otherwise specified, the methods used in this invention are conventional methods; the raw materials and apparatus used, unless otherwise specified, are conventional commercially available products.

[0024] Please see Figure 1-4 A tensioning sleeve that is easy to assemble and disassemble includes a shaft 1, and a tensioning sleeve is provided on the outer wall of the shaft 1;

[0025] Tightening hedging includes:

[0026] Intermediate sleeve 2 is movably fitted onto the middle part of the outer wall of shaft 1. Intermediate sleeve 2 is divided into two halves, and the two halves are detachably connected by bolt 201.

[0027] Right sleeve 3 is fitted onto one end of the outer wall of shaft 1, and right sleeve 3 is split into two halves;

[0028] Left sleeve 4 is fitted onto the other end of the outer wall of shaft 1. Left sleeve 4 is split into two halves.

[0029] Long bolt 5 connects right sleeve 3 and left sleeve 4 and is used to adjust the tension of the tensioning sleeve.

[0030] In this embodiment: during installation, the two halves of the split intermediate sleeve 2 are first inserted into the middle of the shaft 1, and then the two halves of the split intermediate sleeve 2 are fixed by bolts 201; then the split left sleeve 4 and right sleeve 3 are placed at both ends of the shaft 1 respectively, and the left and right sleeves are connected and tightened by long bolts 5. Thus, by using split tension sleeves, disassembly and assembly are convenient and quick, shortening maintenance time and reducing the labor intensity of maintenance personnel and the consumption of spare parts.

[0031] As a technical optimization of this utility model, the inner hole of the middle sleeve 2 is set with the same taper on both sides, and the outer surfaces of the right sleeve 3 and the left sleeve 4 are taper, which matches the taper of the inner hole of the middle sleeve 2.

[0032] In this embodiment: by matching the taper on both sides of the inner hole of the middle sleeve 2 with the outer tapered surfaces of the left sleeve 4 and the right sleeve 3, the tapered surface fit can achieve self-centering and uniform tension force distribution, avoiding local stress concentration.

[0033] As a technical optimization of this utility model, the left sleeve 4 and the right sleeve 3 are arranged 90 degrees apart along the circumference during installation.

[0034] In this embodiment, the left sleeve 4 and the right sleeve 3 are arranged 90 degrees apart circumferentially during installation, which can make the tension force evenly distributed in the circumferential direction, avoid mechanical weak points caused by the overlap of the split surfaces, and improve the overall structural stability.

[0035] As a technical optimization of this utility model, the outer circle of the intermediate sleeve 2 is fitted with the inner hole of the bearing to achieve a keyless connection between the shaft 1 and the bearing.

[0036] In this embodiment: the outer circle of the intermediate sleeve 2 fits with the inner hole of the bearing, so that the shaft 1 and the bearing can be connected without keys.

[0037] As a technical optimization of this utility model, the divided middle sleeve 2, left sleeve 4, and right sleeve 3 are all symmetrical structures.

[0038] In this embodiment, the middle sleeve 2, left sleeve 4, and right sleeve 3, which are to be divided, are all symmetrical structures, which facilitates standardized production and installation.

[0039] The working principle and usage process of this utility model are as follows: During installation, the two halves of the split middle sleeve 2 are first inserted into the middle of the shaft 1, and then the two halves of the split middle sleeve 2 are fixed by bolts 201; then the split left sleeve 4 and right sleeve 3 are placed at both ends of the shaft 1 respectively, so that the outer conical surfaces of the left sleeve 4 and right sleeve 3 match the taper of the inner hole on both sides of the middle sleeve 2, so as to achieve self-centering and uniform tension force distribution, avoid local stress concentration, and then the left and right sleeves are connected and tightened by long bolts 5. Thus, by adopting the split tension sleeve, disassembly and assembly are convenient and quick.

[0040] In the description of this utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0041] However, the above description is only a specific embodiment of this utility model and should not be construed as limiting the scope of implementation of this utility model. Therefore, any substitution of equivalent components or equivalent changes and modifications made in accordance with the scope of protection of this utility model should still fall within the scope of the claims of this utility model.

Claims

1. A tensioning sleeve that is easy to assemble and disassemble, comprising a shaft (1), characterized in that: The outer wall of the shaft (1) is provided with a tensioning sleeve; The tensioning sleeve includes: Intermediate sleeve (2), the intermediate sleeve (2) is movably sleeved on the middle part of the outer wall of the shaft (1), the intermediate sleeve (2) is divided into two halves, and the two halves are detachably connected by bolts (201); Right sleeve (3), the right sleeve (3) is sleeved on one end of the outer wall of the shaft (1), the right sleeve (3) is split into two halves; Left sleeve (4), the left sleeve (4) is fitted onto the other end of the outer wall of the shaft (1), the left sleeve (4) is split into two halves; Long bolt (5), which connects the right sleeve (3) and the left sleeve (4), is used to adjust the tension of the tensioning sleeve.

2. The tensioning sleeve for easy assembly and disassembly according to claim 1, characterized in that: The inner hole of the intermediate sleeve (2) is set with the same taper on both sides, and the outer surfaces of the right sleeve (3) and the left sleeve (4) are tapered and match the taper of the inner hole of the intermediate sleeve (2).

3. The tensioning sleeve that is easy to assemble and disassemble according to claim 1, characterized in that: The left sleeve (4) and the right sleeve (3) are arranged circumferentially at a difference of (90) degrees during installation.

4. The tensioning sleeve that is easy to assemble and disassemble according to claim 1, characterized in that: The outer circle of the intermediate sleeve (2) fits with the inner hole of the bearing to achieve a keyless connection between the shaft (1) and the bearing.

5. A tensioning sleeve that is easy to assemble and disassemble according to claim 1, characterized in that: The middle sleeve (2), left sleeve (4), and right sleeve (3) that are divided are all symmetrical structures.

Images