Novel power transmission coupler and winch traction winch

Abstract

The utility model relates to a novel power transmission coupler and a winch traction winch in the technical field of power transmission. The novel power transmission coupler comprises a mounting seat, a connecting sleeve is rotatably arranged in the mounting seat, an input shaft and an output shaft are arranged in the connecting sleeve, and a lubricating structure is arranged between the connecting sleeve and the mounting seat. The input shaft drives the connecting sleeve to rotate in the mounting base, the mounting sleeve drives the output shaft to rotate, the transmission effect is achieved, the lubricating structure is arranged between the connecting sleeve and the mounting base, friction force of the connecting sleeve in the rotating process is reduced, and rotation of the connecting sleeve is more stable. Angular contact bearings are selected as the bearings, the output side angular contact bearing bears the axial force of the input end, the input side angular contact bearing bears the axial force of the output end, extrusion damage of the axial force generated in the installation and operation process to parts is avoided, and the axial force generated in the equipment using process is balanced due to the fact that the pair of angular contact bearings are symmetrically installed. And stable and safe operation of the whole machine is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to power transmission technical field especially relates to a novel power transmission coupling and winch tractor. BACKGROUND

[0002] At present, the drum type lifting and traction machinery has been widely used in various aspects of our production and life, in order to guarantee the safety and efficiency of people's production and life, the safety and stability of the equipment are very strict, therefore, the performance of the transmission system is increasingly important, for example, the electric hoist and traction winch equipment adopts the built-in power transmission structure, the transmission shaft is directly connected or increases the suspension type elastic coupling, the balance under the condition of short transmission shaft and low speed rotation has little influence on the whole machine performance, but when the transmission shaft is long and rotates at high speed, the unbalance generated has great influence on the whole machine performance.

[0003] Therefore, aiming at the above problems, a novel power transmission coupling and winch tractor are provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at the prior art's insufficient, develops a novel power transmission coupling and winch tractor, and the utility model can improve the stability in the transmission process.

[0005] The technical scheme that the utility model solves technical problems is as follows: a novel power transmission coupling, including the mounting seat, the connecting sleeve is rotationally arranged in the mounting seat, the input shaft and the output shaft are arranged in the connecting sleeve, and the lubricating structure is arranged between the connecting sleeve and the mounting seat.

[0006] The input shaft drives the connecting sleeve to rotate in the mounting seat, the mounting sleeve drives the output shaft to rotate, achieves the transmission effect, the lubricating structure is arranged between the connecting sleeve and the mounting seat, reduces the friction of the connecting sleeve in the rotating process, and makes the rotation of the connecting sleeve more stable.

[0007] As preferred, the lubricating structure includes a boss, a bearing and an end cover, the end cover is arranged on the mounting seat, a cavity is arranged between the end cover and the mounting seat, the boss is arranged on the outer side of the connecting sleeve, the boss is located in the cavity, bearings are arranged on both sides of the boss, the inner wall of the bearing is connected with the connecting sleeve, and the outer wall of the boss is connected with the mounting seat.

[0008] The bearing selects angular contact bearing, the output side angular contact bearing bears the axial force of the input end, the input side angular contact bearing bears the axial force of the output end, the extrusion damage of the axial force to the parts during installation and operation is avoided, and a pair of angular contact bearings are symmetrically installed to balance the axial force generated during the use of the equipment, so that the whole machine runs stably and safely.

[0009] Preferably, the lubricating structure further comprises an oil cavity, the oil cavity is located in the cavity, the boss and the mounting base form the oil cavity, and the oil cavity is filled with lubricating grease.

[0010] The oil cavity is located between the boss and the mounting base, the lubricating grease in the oil cavity lubricates the bearings on both sides, improves the transmission accuracy, reduces the wear and tear, and prolongs the service life of the equipment.

[0011] Preferably, a support plate is arranged on the mounting base, the support plate is located away from the end cover, a plurality of mounting bolts are arranged on the end cover, and the mounting bolts connect the end cover, the mounting base and the support plate.

[0012] The end cover and the support plate are fixed on the support base through the plurality of mounting bolts, facilitating disassembly and maintenance.

[0013] Preferably, the end cover and the mounting base are provided with mounting grooves, and a felt sealing element is arranged in the mounting groove and connected with the connecting sleeve.

[0014] The felt sealing element is arranged in the mounting groove, improving the sealing performance of the equipment.

[0015] Preferably, the input shaft and the connecting sleeve are connected through a key groove, and the output shaft and the connecting sleeve are connected through a key groove.

[0016] Preferably, the connecting sleeve is provided with an inner chamfer at both ends.

[0017] The installation of the input and output shafts is guided, precise and fast installation not only improves the installation efficiency, but also avoids damage to parts caused by axial force during installation, ensures assembly accuracy and equipment quality.

[0018] A winch tractor comprises a novel power transmission coupling; further comprising a winding drum, the winding drum is arranged on a support base, the support base is provided with a first mounting frame and a second mounting frame at both ends, a motor is arranged on the first mounting frame, a connecting disc is arranged at the output end of the motor, the connecting disc is located in the winding drum and connected with an input shaft, the winding drum is connected with a support plate, an output shaft is connected with a speed reducer, the speed reducer is arranged on the second mounting frame, an output sleeve of the speed reducer is connected with a connecting plate, and the connecting plate is located in the winding drum and connected with the winding drum.

[0019] The motor transmits power to the speed reducer through the novel power transmission coupling, the speed reducer reduces the power and simultaneously transmits the power to the winding drum to drive the winding drum to rotate, thereby realizing traction and lifting effect, the coupling is arranged in the winding drum and rotates with the winding drum, without affecting the use of the winding drum, and the support plate is located in the winding drum, improving the structural strength of the winding drum.

[0020] The effects provided in the content of the utility model are only the effects of the embodiments, not all the effects of the utility model, and the above technical solutions have the following advantages or beneficial effects:

[0021] The input shaft drives the connecting sleeve to rotate in the mounting seat, and the mounting seat drives the output shaft to rotate, achieving the transmission effect; a lubricating structure is arranged between the connecting sleeve and the mounting seat to reduce the friction of the connecting sleeve during rotation, making the rotation of the connecting sleeve more stable;

[0022] The bearings are angular contact bearings, the output side angular contact bearing bears the axial force of the input end, and the input side angular contact bearing bears the axial force of the output end, avoiding the extrusion damage of the axial force generated during installation and operation to the parts, and a pair of angular contact bearings are symmetrically installed to balance the axial force generated during the use of the equipment, ensuring the stable and safe operation of the whole machine. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification, and are used to explain the present utility model together with embodiments of the present utility model, and do not constitute a limitation on the present utility model.

[0024] Figure 1 It is a sectional view of the power transmission coupling of the present utility model.

[0025] Figure 2 It is a partial sectional view of the winch tractor of the present utility model.

[0026] In the figure, 1 is a mounting seat, 2 is a connecting sleeve, 3 is an input shaft, 4 is an output shaft, 5 is a boss, 6 is a bearing, 7 is an end cover, 8 is an oil cavity, 9 is a support plate, 10 is a mounting bolt, 11 is a mounting groove, 12 is a felt sealing element, 13 is an inner chamfer, 14 is a winding drum, 15 is a first mounting frame, 16 is a second mounting frame, 17 is a motor, 18 is a connecting disc, 19 is a support, 20 is a speed reducer, 21 is an output sleeve, and 22 is a connecting plate. DETAILED DESCRIPTION

[0027] For the purpose of clearly illustrating the technical features of the present application, the present application will be described in detail below with the specific embodiments and in conjunction with the accompanying drawings. The disclosure below provides many different embodiments or examples for implementing the different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. In addition, the present application can repeatedly refer to numbers and / or letters in different examples. Such repetition is for the purpose of simplification and clarity, and does not indicate the relationship between the various embodiments and / or settings being discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The present application omits the description of known components and processing techniques and processes to avoid unnecessary limitations on the present application. The orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] As Figure 1 and Figure 2 A new type of power transmission coupling, as shown in the figure, comprises a mounting seat 1, a connecting sleeve 2 is rotatably arranged in the mounting seat 1, an input shaft 3 and an output shaft 4 are arranged in the connecting sleeve 2, and a lubricating structure is arranged between the connecting sleeve 2 and the mounting seat 1. The input shaft 3 drives the connecting sleeve 2 to rotate in the mounting seat 1, the mounting sleeve drives the output shaft 4 to rotate, achieving the transmission effect, the lubricating structure is arranged between the connecting sleeve 2 and the mounting seat 1, reducing the friction of the connecting sleeve 2 during rotation, making the rotation of the connecting sleeve 2 more stable.

[0029] The lubricating structure comprises the boss 5, the bearing 6 and the end cover 7, the end cover 7 is arranged on the mounting seat 1, the cavity is arranged between the end cover 7 and the mounting seat 1, the boss 5 is arranged on the outer side of the connecting sleeve 2, the boss 5 is located in the cavity, the bearings 6 are arranged on both sides of the boss 5, the inner wall of the bearing 6 is connected with the connecting sleeve 2, and the outer wall of the boss 5 is connected with the mounting seat 1. The bearing 6 is selected to be an angular contact bearing, the output side angular contact bearing bears the axial force of the input end, and the input side angular contact bearing bears the axial force of the output end, so that the extrusion damage of parts caused by the axial force in the installation and operation processes is avoided, a pair of angular contact bearings are symmetrically installed to balance the axial force generated in the use process of the equipment, and the stable and safe operation of the whole machine is ensured.

[0030] The lubricating structure further comprises an oil cavity 8, the oil cavity 8 is located in the cavity, the oil cavity 8 is formed between the boss 5 and the mounting seat 1, and the oil cavity 8 is filled with lubricating grease. The oil cavity 8 is located between the boss 5 and the mounting seat 1, the bearings 6 on both sides are lubricated through the lubricating grease in the oil cavity 8, the transmission precision is improved, the wear amount is reduced, and the service life of the equipment is prolonged.

[0031] The mounting seat 1 is provided with a support plate 9, the support plate 9 is located away from the end cover 7, a plurality of mounting bolts 10 are arranged on the end cover 7, and the end cover 7, the mounting seat 1 and the support plate 9 are connected through the mounting bolts 10. The end cover 7 and the support plate 9 are fixed on the support seat through the plurality of mounting bolts 10, so that the disassembly and maintenance are facilitated.

[0032] The end cover 7 and the mounting seat 1 are both provided with mounting grooves 11, the mounting grooves 11 are provided with felt sealing elements 12, and the felt sealing elements 12 are connected with the connecting sleeve 2. The felt sealing elements 12 are arranged in the mounting grooves 11, and the sealing performance of the equipment is improved.

[0033] The input shaft 3 is connected with the connecting sleeve 2 through a key groove, and the output shaft 4 is connected with the connecting sleeve 2 through a key groove.

[0034] The connecting sleeve 2 is provided with an inner chamfer 13 at both ends. The installation of the input and output shafts 4 is guided, the accurate and rapid installation not only improves the installation efficiency, but also avoids the damage of the axial force generated in the installation process to the parts, ensures the assembly precision, and ensures the equipment quality.

[0035] A new type of power transmission coupling is arranged on the winch tractor, the winch tractor further comprises a winding drum 14, the winding drum 14 is arranged on a support 19, first and second mounting frames 15 and 16 are arranged at both ends of the support 19, a motor 17 is arranged on the first mounting frame 15, a connecting disc 18 is arranged at the output end of the motor 17, the connecting disc 18 is located in the winding drum 14, the connecting disc 18 is connected with the input shaft 3, the winding drum 14 is connected with the support plate 9, the output shaft 4 is connected with a speed reducer 20, the speed reducer 20 is arranged on the second mounting frame 16, an output sleeve 21 of the speed reducer 20 is connected with a connecting plate 22, and the connecting plate 22 is located in the winding drum 14 and connected with the winding drum 14.

[0036] The motor 17 delivers power to the speed reducer 20 through a new type of power transmission coupling, the speed reducer 20 reduces the power and simultaneously drives the winding drum 14 to rotate, thereby achieving the traction and lifting effect, the coupling is arranged inside the winding drum 14 and rotates with the winding drum 14, does not affect the use of the winding drum 14, and meanwhile the supporting plate 9 is located inside the winding drum 14, thereby improving the structural strength of the winding drum 14.

[0037] Working principle: the input shaft 3 inputs power to drive the connecting sleeve 2 to rotate, the connecting sleeve 2 drives the output shaft 4 to rotate, power output is realized, the connecting sleeve 2 reduces the friction between the connecting sleeve 2 and the mounting seat 1 through the symmetrically arranged bearings 6 during the rotation process, power loss is reduced, and wear is reduced.

[0038] Although the specific embodiments of the utility model are described in combination with the drawings, the description is not a limitation on the protection scope of the utility model, and various modifications or changes made by those skilled in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.

Claims

1. A new power transmission coupling characterized by: The utility model provides a novel power transmission coupling, comprising a mounting base (1), a connecting sleeve (2) is rotatably arranged in the mounting base (1), an input shaft (3) and an output shaft (4) are arranged in the connecting sleeve (2), and a lubricating structure is arranged between the connecting sleeve (2) and the mounting base (1). The lubricating structure comprises a boss (5), a bearing (6) and an end cover (7), the end cover (7) is arranged on the mounting base (1), a cavity is arranged between the end cover (7) and the mounting base (1), the boss (5) is arranged on the outer side of the connecting sleeve (2), the boss (5) is located in the cavity, the bearings (6) are arranged on the two sides of the boss (5), the inner wall of the bearing (6) is connected with the connecting sleeve (2), and the outer wall of the boss (5) is connected with the mounting base (1).

2. A new power transmission coupling as claimed in claim 1, wherein: The lubricating structure further comprises an oil cavity (8), the oil cavity (8) is located in the cavity, the oil cavity (8) is formed between the boss (5) and the mounting base (1), and the oil cavity (8) is filled with lubricating grease.

3. A new power transmission coupling as claimed in claim 1, wherein: A support plate (9) is arranged on the mounting base (1), the support plate (9) is located on the side away from the end cover (7), a plurality of mounting bolts (10) are arranged on the end cover (7), and the end cover (7), the mounting base (1) and the support plate (9) are connected through the mounting bolts (10).

4. A new power transmission coupling as claimed in claim 3, characterized in that: The end cover (7) and the mounting base (1) are both provided with mounting grooves (11), and the mounting grooves (11) are provided with felt sealing elements (12) connected with the connecting sleeve (2).

5. A new power transmission coupling as claimed in claim 1, wherein: The input shaft (3) is connected with the connecting sleeve (2) through a key groove, and the output shaft (4) is connected with the connecting sleeve (2) through a key groove.

6. A new power transmission coupling as claimed in claim 1, wherein: The connecting sleeve (2) is provided with inner chamfers (13) at both ends.

7. A winch tractor, characterized in that The utility model provides a novel power transmission coupling, comprising a mounting base (1), a connecting sleeve (2) is rotatably arranged in the mounting base (1), an input shaft (3) and an output shaft (4) are arranged in the connecting sleeve (2), and a lubricating structure is arranged between the connecting sleeve (2) and the mounting base (1).

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