Anti-deformation high-strength gear shaft

Abstract

The utility model discloses an anti-deformation high-strength gear shaft which comprises a connecting shaft and gear bodies fixed to the left end and the right end of the connecting shaft, and the right end of the connecting shaft is connected with a butt joint rod. A self-lubricating mechanism is arranged in the connecting shaft, and an oil outlet of the self-lubricating mechanism corresponds to the position of one side of the two sets of gear bodies. A butt joint mechanism is arranged at the right end of the connecting shaft, and the outer side of the butt joint mechanism is correspondingly arranged in a butt joint hole formed in the butt joint rod. According to the anti-deformation high-strength gear shaft, the butt joint mechanism is arranged, through the arrangement of the butt joint mechanism, a butt joint block at the right end of the connecting shaft can stretch into a butt joint hole formed in one side of a butt joint rod, then stable butt joint treatment is conducted between the connecting shaft and the butt joint rod, and through movement of a threaded connecting sleeve on the outer side of a threaded rod, the butt joint is more stable; and therefore, stable butt joint treatment can be conducted between the connecting shaft and the butt joint rod, and the phenomenon that the connecting shaft and the gear body fall off during high-speed rotation is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear shaft related technical field, concretely is a kind of high-strength gear shaft of deformation prevention. BACKGROUND

[0002] With the development of science and technology, mechanical is injected with the soul of science and technology, also become more and more advanced, with the advanced mechanical equipment, the requirement of connecting device is also higher and higher, thus when using connecting device, gear shaft needs to be used to handle.

[0003] The existing gear shaft when being used, gear shaft mainly bears alternating load, impact load, shear stress and contact stress, so the wear of gear shaft is more serious, and it is necessary to add lubricant at irregular time, in order to solve the above-mentioned defects, the gear shaft with good lubricating effect disclosed in the prior art (application number CN202420166791.4, publication date is 2024-12-13 of Chinese patent) can be adjusted according to the rotational speed of gear shaft, the purpose of adjusting oil output is achieved, the utilization rate of lubricating oil is improved, and the practicability is improved, the dismounting assembly is arranged, the movable plug can be quickly disassembled and assembled, and the lubricating oil in the oil storage cavity is adjusted.

[0004] Although the above-mentioned device can achieve the purpose of self-lubrication, but in actual work, the phenomenon of falling off is easy to occur, since one end of the gear shaft is connected with the connecting piece, the phenomenon of falling off between the gear shaft and the connecting piece will occur after high-speed rotation.

[0005] Therefore, we propose a high-strength gear shaft with deformation prevention, which can well solve the above problems. INVENTION CONTENTS

[0006] The utility model discloses a kind of high-strength gear shafts with deformation prevention, to solve the problem that one end of gear shaft on current market is connected with the connecting piece, since high-speed rotation, gear shaft and the connecting piece between the problem of falling off.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of high-strength gear shaft with deformation prevention, including connecting shaft and the gear body fixed in the left and right two end positions of connecting shaft, the right end position of the connecting shaft is connected with the connecting rod;Self-lubricating mechanism is arranged in the inside of the connecting shaft, and the oil outlet of self-lubricating mechanism corresponds to the side position of two groups of gear bodies;The right end position of the connecting shaft is provided with the connecting mechanism, and the outside of the connecting mechanism corresponds to the connecting hole in the inside of the connecting rod.

[0008] As a preferred technical scheme of the present application, the docking mechanism comprises a threaded rod fixed at one side of the docking rod, the threaded rod is threadedly connected to the inside of a threaded connecting sleeve, the inside diameter of the threaded connecting sleeve at one side is larger than the outside diameter of the docking rod, and the docking mechanism also comprises a docking block slidingly arranged at the right end of the connecting shaft, the bottom inside of the docking block is fixed with a clamping block, and the bottom end of the clamping block is embedded into the inside of the docking hole.

[0009] As a preferred technical scheme of the present application, the docking hole is equiangularly arranged at several groups with respect to the outside wall of the docking rod, and the number of the docking hole is the same as that of the clamping block.

[0010] As a preferred technical scheme of the present application, the left and right sides of the docking block are fixed with guide elastic sheets, the bottom of the guide elastic sheet is attached to the guide groove arranged at the inside of the right end of the connecting shaft, the top of the docking block is arranged in an inclined manner, and the top inclined surface of the docking block is fixed with a wear-resistant pad.

[0011] As a preferred technical scheme of the present application, the outside of the wear-resistant pad is arranged at the inside of the threaded connecting sleeve, and the wear-resistant pad forms a sliding structure with the inside of the threaded connecting sleeve and the guide groove.

[0012] As a preferred technical scheme of the present application, the self-lubricating mechanism comprises an oil inlet arranged at the middle of the connecting shaft, the inside of the oil inlet is connected to the oil storage groove, the left and right sides of the oil storage groove are connected to the oil outlet, the inside of the oil inlet is provided with a one-way oil inlet valve, and one side of the oil outlet is provided with a one-way oil outlet valve.

[0013] As a preferred technical scheme of the present application, the gear body is designed with a special tooth shape, the addendum coefficient is 1.0-1.2, the dedendum coefficient is 1.2-1.4, the tooth shape parameters are optimized to reduce the contact stress and bending stress when the gear is engaged, the connecting shaft is designed with a reinforcing rib structure, the reinforcing ribs are uniformly distributed along the circumference of the shaft neck, and the shaft neck and the gear body are integrally formed.

[0014] Compared with the prior art, the beneficial effects of the present application are as follows: the anti-deformation high-strength gear shaft is provided with a docking mechanism, the docking block at the right end of the connecting shaft can be inserted into the docking hole arranged at one side of the docking rod through the arrangement of the docking mechanism, thereby achieving stable docking between the connecting shaft and the docking rod, and the specific content is shown as follows:

[0015] 1. The threaded connecting sleeve is arranged, and the threaded connecting sleeve is matched with the wear-resistant pad on the top of the butt joint block through the movement of the threaded connecting sleeve outside the threaded rod, so that the butt joint block is driven into the butt joint hole by the guide spring piece and the clamping block, and the stable butt joint process between the connecting shaft and the butt joint rod is realized, and the phenomenon of falling off of the connecting shaft and the gear body during high-speed rotation is prevented.

[0016] 2. The oil inlet is arranged, the one-way oil inlet valve is arranged in the oil inlet, and the one-way oil outlet valve is arranged in the oil outlet, and through the rotation of the connecting shaft and the gear body, the one-way oil outlet valve is opened under the centrifugal force, so that the lubricating oil in the oil storage tank lubricates one side of the gear body. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view structure schematic diagram of the utility model;

[0018] Figure 2 It is a rear view structure schematic diagram of the utility model;

[0019] Figure 3 It is a connecting shaft cross section structure schematic diagram of the utility model;

[0020] Figure 4 It is a connecting shaft cross section structure schematic diagram of the utility model; Figure 3 It is an enlarged structure schematic diagram of A in the utility model;

[0021] Figure 5 It is a butt joint block structure schematic diagram of the utility model;

[0022] Figure 6 It is a butt joint rod structure schematic diagram of the utility model.

[0023] In the drawing: 1, connecting shaft; 2, gear body; 3, oil inlet; 4, oil storage tank; 5, oil outlet; 6, guide groove; 7, butt joint block; 8, guide spring piece; 9, wear-resistant pad; 10, clamping block; 11, threaded rod; 12, butt joint rod; 13, threaded connecting sleeve; 14, butt joint hole. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] Please refer to Figures 1-6 The utility model provides the following technical scheme: Embodiment one

[0026] In order to solve the problem of the gear shaft and the docking piece falling off due to high-speed rotation, please refer to the following Figure 1 , attached Figure 2 and attached Figure 4 -attached Figure 6 , including the connecting shaft 1 and the gear body 2 fixed at the left and right ends of the connecting shaft 1, the right end of the connecting shaft 1 is connected with the docking rod 12; the inside of the connecting shaft 1 is provided with a self-lubricating mechanism, and the oil outlet 5 of the self-lubricating mechanism corresponds to one side of the two groups of gear bodies 2; the right end of the connecting shaft 1 is provided with a docking mechanism, and the outside of the docking mechanism corresponds to the docking hole 14 opened in the inside of the docking rod 12; the docking mechanism includes a threaded rod 11 fixed at one side of the docking rod 12, the outside of the threaded rod 11 is threadedly connected in the inside of the threaded connecting sleeve 13, the inside wall diameter of one side of the threaded connecting sleeve 13 is greater than the outside wall diameter of the docking rod 12, and the docking mechanism also includes a docking block 7 slidingly arranged at the right end of the connecting shaft 1, the bottom inside of the docking block 7 is fixed with a clamping block 10, and the bottom end of the clamping block 10 is embedded in the inside of the docking hole 14; the docking hole 14 is opened at equal angles about the outside wall of the docking rod 12, and the number of the docking hole 14 is the same as that of the clamping block 10; the left and right sides are both fixed with a guide spring 8, the bottom of the guide spring 8 is attached to the guide groove 6 opened in the inside of the right end of the connecting shaft 1, the top of the docking block 7 is inclined, and the top inclined surface of the docking block 7 is fixed with a wear-resistant pad 9; the outside of the wear-resistant pad 9 is arranged at the inside wall of the threaded connecting sleeve 13, and the wear-resistant pad 9 forms a sliding structure between the inside of the threaded connecting sleeve 13 and the guide groove 6.

[0027] When the connecting shaft 1 and the docking rod 12 are docked, first, one end of the docking rod 12 is embedded in the right end of the connecting shaft 1, at this time, the threaded connecting sleeve 13 is rotated to make the outside of the threaded connecting sleeve 13 drive the threaded rod 11 outside to rotate and move in threads, so that one side of the threaded connecting sleeve 13 moves to the docking mechanism position of the connecting shaft 1, so that one side of the threaded connecting sleeve 13 will press the wear-resistant pad 9 of the top inclined surface of the docking block 7, so that the wear-resistant pad 9 can drive the docking block 7 to move stably in the inside of the guide groove 6 through the guide spring 8, at this time, the clamping block 10 arranged in the inside of the docking block 7 will be embedded in the inside of the docking hole 14, so that the connecting shaft 1 and the docking rod 12 can be docked, and the phenomenon of falling off between the connecting shaft 1 and the docking rod 12 during connection can be prevented. Example two

[0028] In order to use the gear shaft more efficiently, please refer to the following Figure 1 -attached Figure 3The self-lubricating mechanism comprises an oil inlet 3 installed at the middle position of the connecting shaft 1, the inside of the oil inlet 3 is communicated with an oil storage groove 4, the left and right sides of the oil storage groove 4 are communicated with an oil outlet 5, the inside of the oil inlet 3 is provided with a one-way oil inlet valve, and the side of the oil outlet 5 is provided with a one-way oil outlet valve; the gear body 2 is designed with a special tooth shape, the addendum coefficient is 1.0-1.2, the dedendum coefficient is 1.2-1.4, the tooth shape parameters are optimized to reduce the contact stress and bending stress when the gears mesh, in addition, the connecting shaft 1 is designed with a reinforcing rib structure, the reinforcing ribs are evenly distributed along the circumference of the shaft neck, and the shaft neck and the gear body 2 are integrally formed.

[0029] When the device is used, the inside of the oil inlet 3 is injected with lubricating oil, at this time, the lubricating oil will flow to the inside of the oil storage groove 4 through the one-way oil inlet valve, at this time, the lubricating oil is stored in the inside of the oil storage groove 4, when the connecting shaft 1 and the gear body 2 rotate at a high speed, the oil outlet 5 will be rotated through the connecting shaft 1, the one-way oil outlet valve arranged in the inside of the oil outlet 5 will be in an open state, so that the oil outlet 5 will flow the lubricating oil to the side of the gear body 2, so as to lubricate the gear body 2, in addition, the tooth shape parameters are optimized to reduce the contact stress and bending stress when the gears mesh, and the connecting shaft 1 is designed with a reinforcing rib structure, the reinforcing ribs are evenly distributed along the circumference of the shaft neck, and the shaft neck and the gear body 2 are integrally formed, so as to further strengthen the deformation resistance.

[0030] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, the person skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-strength gear shaft that is resistant to deformation, comprising a connecting shaft (1) and gear bodies (2) fixed at the left and right ends of the connecting shaft (1), wherein a connecting rod (12) is connected to the right end of the connecting shaft (1). Its features are: The connecting shaft (1) is equipped with a self-lubricating mechanism inside, and the oil outlet (5) of the self-lubricating mechanism is located on one side of the two gear bodies (2); the connecting shaft (1) is equipped with a docking mechanism at the right end, and the outer side of the docking mechanism is located in the docking hole (14) opened inside the docking rod (12). The docking mechanism includes a threaded rod (11) fixed on one side of the docking rod (12). The outer side of the threaded rod (11) is threadedly connected to the inside of the threaded connecting sleeve (13). The inner wall diameter of one side of the threaded connecting sleeve (13) is larger than the outer wall diameter of the docking rod (12). The docking mechanism also includes a docking block (7) slidably disposed at the right end of the connecting shaft (1). A locking block (10) is fixed on the inner side of the bottom of the docking block (7). The bottom end of the locking block (10) is embedded in the docking hole (14).

2. The high-strength, deformation-resistant gear shaft according to claim 1, characterized in that: The docking holes (14) are provided in several groups at equal angles to the outer wall of the docking rod (12), and the number of docking holes (14) is the same as the number of locking blocks (10).

3. The high-strength, deformation-resistant gear shaft according to claim 1, characterized in that: The left and right sides of the docking block (7) are fixed with guide springs (8). The bottom of the guide springs (8) is attached to the guide groove (6) opened on the inner side of the right end of the connecting shaft (1). The top of the docking block (7) is inclined, and a wear-resistant pad (9) is fixed on the inclined surface of the top of the docking block (7).

4. A high-strength, deformation-resistant gear shaft according to claim 3, characterized in that: The outer position of the wear-resistant pad (9) is used on the inner wall of the threaded connecting sleeve (13), and the wear-resistant pad (9) forms a sliding structure between the threaded connecting sleeve (13) and the inside of the guide groove (6).

5. A high-strength, deformation-resistant gear shaft according to claim 1, characterized in that: The self-lubricating mechanism includes an oil inlet (3) installed at the middle of the connecting shaft (1). The inner side of the oil inlet (3) is connected to the oil storage tank (4). The left and right sides of the oil storage tank (4) are connected to the oil outlet (5). A one-way oil inlet valve is provided inside the oil inlet (3), and a one-way oil outlet valve is provided on one side of the oil outlet (5).

6. A high-strength, deformation-resistant gear shaft according to claim 1, characterized in that: The gear body (2) adopts a special tooth profile design with a tooth tip height coefficient of 1.0-1.2 and a tooth root height coefficient of 1.2-1.

4. By optimizing the tooth profile parameters, the contact stress and bending stress during gear meshing are reduced. In addition, the connecting shaft (1) is designed with a reinforcing rib structure. The reinforcing ribs are evenly distributed along the circumference of the journal and are integrally formed with the journal and the gear body (2).

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