High-strength gearbox pump shaft

Abstract

The utility model discloses a high-strength gearbox pump shaft, and relates to the field of gearboxes, the high-strength gearbox pump shaft comprises a pump shaft body, and a connecting piece is arranged on the surface of the pump shaft body. A sliding plate and a second arc-shaped block can be driven to move through a mounting shaft, the second arc-shaped block moves so as to push two first arc-shaped blocks to be away from each other, the two first arc-shaped blocks are away from each other so as to compress corresponding telescopic rods and telescopic springs, and at the moment, the second arc-shaped block can be positioned and mounted; according to the high-strength positioning and mounting device, positioning and mounting of the mounting shaft can be completed, convenience during positioning and mounting is improved, an inserting column is inserted into a second inserting hole and a first inserting hole, and a nut is rotated, so that the position of a sliding plate can be limited, the mounting strength of the mounting shaft can be enhanced, and the effect of high-strength positioning and mounting can be achieved; and contact with a mounting shaft is not needed, the service life of the nut is prolonged, and the use stability is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of gearboxes, in particular to a high-strength gearbox pump shaft. BACKGROUND

[0002] Gearboxes are widely used in wind turbine generators. There are mainly two connection methods between the pump shaft of a compact end suction pump and the motor shaft. One is to process an inner hole in the pump shaft, and then the motor shaft head is inserted into the inner hole through the inner hole, and the torque is transmitted through the key connection. The other is to clamp the pump shaft and the motor shaft through a shaft coupling to transmit the torque.

[0003] According to the search, the patent with the Chinese patent authorization publication number CN218542682U discloses a new type of gearbox pump shaft, which comprises a pump shaft body, a connecting piece is installed on the surface of the pump shaft body, and a mounting shaft is arranged on the surface of the pump shaft body.

[0004] The new type of gearbox pump shaft in the above patent has the following disadvantages: although the device improves the stability of the pump shaft during installation and prolongs the service life of the pump shaft, the device is fixed by the single fastening stud in contact with the mounting shaft. Although it can also play a role in fixing, the stability of the fastening bolt positioning on the mounting shaft may be affected during long-term rotation and use, resulting in loosening. Therefore, the installation strength of the mounting shaft can be further improved. Content of the utility model

[0005] In order to improve the installation strength of the mounting shaft, the present application provides a high-strength gearbox pump shaft.

[0006] The high-strength gearbox pump shaft provided by the present application adopts the following technical scheme: a high-strength gearbox pump shaft, comprising a pump shaft body, a connecting piece is arranged on the surface of the pump shaft body, a wear-resistant and corrosion-resistant layer is arranged on the surface of the pump shaft body and the connecting piece, an installation hole is formed in one end of the pump shaft body, an installation shaft is arranged in the installation hole, and a clamping mechanism for clamping and installing the installation shaft is arranged in the installation hole.

[0007] The clamping mechanism comprises two telescopic rods symmetrically and fixedly installed in the installation hole, a telescopic spring is arranged on each of the two telescopic rods, the telescopic ends of the two telescopic rods are fixedly installed with the same connecting plate, the side of each of the two connecting plates close to each other is fixedly installed with the same first arc-shaped block, one end of the installation shaft is fixedly installed with a sliding plate, and one side of the sliding plate is fixedly installed with a second arc-shaped block.

[0008] Through the technical scheme, the one end of the mounting shaft is inserted into the interior of the pump shaft body, at this time, the mounting shaft drives the sliding plate and the second arc-shaped block to move, the second arc-shaped block moves to push the two first arc-shaped blocks away from each other, the two first arc-shaped blocks are away from each other to compress the corresponding telescopic rods and telescopic springs, at this time, the second arc-shaped block can be positioned and installed.

[0009] Preferably, the second arc-shaped block is located between the two first arc-shaped blocks and is matched with the two first arc-shaped blocks.

[0010] Through the technical scheme, the second arc-shaped block is located between the two first arc-shaped blocks and is matched with the two first arc-shaped blocks, so that the auxiliary installation effect can be achieved.

[0011] Preferably, the one end of the pump shaft body is symmetrically provided with two T-shaped grooves, and two T-shaped blocks are slidably installed in the two T-shaped grooves, and the two T-shaped blocks are fixedly connected with the sliding plate.

[0012] Through the technical scheme, the T-shaped grooves and the T-shaped blocks are arranged, so that the quick installation and positioning effect can be achieved, and the convenience and flexibility during use can be improved.

[0013] Preferably, the wear-resistant and corrosion-resistant layer is made of rubber material and is adhesively installed.

[0014] Through the technical scheme, the wear-resistant and corrosion-resistant layer is adhesively installed on the pump shaft body by the adhesive, so that the wear-resistant and corrosion-resistant function of the pump shaft body can be realized, and the service life of the pump shaft body is prolonged.

[0015] Preferably, the sliding plate and the pump shaft body are respectively provided with a first insertion hole and a second insertion hole.

[0016] Through the technical scheme, the first insertion hole and the second insertion hole are arranged, so that the auxiliary installation effect can be achieved.

[0017] Preferably, the first insertion hole and the second insertion hole are the same in size and are arranged in parallel.

[0018] Through the technical scheme, the first insertion hole and the second insertion hole are the same in size and are arranged in parallel, so that the positioning and installation are facilitated.

[0019] Preferably, the same insertion column is arranged in the first insertion hole and the second insertion hole, a thread is formed on one side of the outer surface of the insertion column, and a nut is screwed on the thread.

[0020] By adopting the technical scheme, the position of the sliding plate can be limited by rotating the nut, thereby the installation strength of the mounting shaft can be enhanced, so that high-strength positioning installation can be achieved, without contact with the mounting shaft, thereby improving the service life and stability of the nut during use.

[0021] To sum up, the present application has at least one of the following beneficial technical effects:

[0022] 1. The present application adopts the cooperation of the sliding plate and the like, and the mounting shaft is moved to drive the sliding plate and the second arc-shaped block to move, the second arc-shaped block moves to push the two first arc-shaped blocks away from each other, the two first arc-shaped blocks are away from each other to compress the corresponding telescopic rods and telescopic springs, at this time, the second arc-shaped block can be positioned and installed, so that the positioning and installation of the mounting shaft can be completed, the convenience during positioning and installation is improved, the plug post is inserted into the second insertion hole and the first insertion hole, and the nut is rotated, so that the position of the sliding plate can be limited, thereby the installation strength of the mounting shaft can be enhanced, so that high-strength positioning installation can be achieved, without contact with the mounting shaft, thereby improving the service life and stability of the nut during use.

[0023] 2. The present application adopts the cooperation of the T-shaped block and the like, and the T-shaped groove and the T-shaped block are provided to achieve quick installation and positioning, thereby improving the convenience and flexibility during use, and the mounting hole is provided to facilitate installation. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of a high-strength gear box pump shaft of an embodiment of the present application;

[0025] Figure 2 It is a schematic diagram of the local expansion structure of the pump shaft body of an embodiment of the present application;

[0026] Figure 3 It is a schematic diagram of the clamping structure of an embodiment of the present application;

[0027] Figure 4 It is a schematic diagram of the reinforcing structure of an embodiment of the present application.

[0028] Reference signs: 1, pump shaft body; 2, mounting shaft; 3, mounting hole; 4, T-shaped groove; 5, T-shaped block; 6, sliding plate; 7, telescopic rod; 8, telescopic spring; 9, connecting plate; 10, first arc-shaped block; 11, second arc-shaped block; 12, first insertion hole; 13, plug post; 14, screw thread; 15, nut; 16, second insertion hole; 17, connecting piece; 18, wear-resistant and corrosion-resistant layer. DETAILED DESCRIPTION

[0029] The following will be described in combination with the drawingsFigures 1-4 The application is further described in detail.

[0030] The application discloses a high-strength gearbox pump shaft.

[0031] Referring to Figures 1-3 A high-strength gearbox pump shaft, comprising a pump shaft body 1, a connecting piece 17 arranged on the surface of the pump shaft body 1, a wear-resistant and corrosion-resistant layer 18 arranged on the surface of the pump shaft body 1 and the connecting piece 17, the wear-resistant and corrosion-resistant layer 18 is a prior art, and thus the specific structure is not described in detail, a clamping mechanism arranged in the pump shaft body 1 and a reinforcing mechanism.

[0032] The clamping mechanism comprises a mounting hole 3 arranged at one end of the pump shaft body 1, a mounting shaft 2 arranged in the mounting hole 3, two telescopic rods 7 symmetrically and fixedly arranged in the mounting hole 3, two telescopic springs 8 sleeved on the two telescopic rods 7, one same connecting plate 9 fixedly arranged at the telescopic end of each of the two telescopic rods 7, one same first arc-shaped block 10 fixedly arranged on the side, close to each other, of the two connecting plates 9, a sliding plate 6 fixedly arranged at one end of the mounting shaft 2, a second arc-shaped block 11 fixedly arranged on one side of the sliding plate 6, and the second arc-shaped block 11 is located between the two first arc-shaped blocks 10 and is matched with the two first arc-shaped blocks 10.

[0033] In use, one end of the mounting shaft 2 is inserted into the inside of the pump shaft body 1, at this time, the mounting shaft 2 drives the sliding plate 6 and the second arc-shaped block 11 to move, the second arc-shaped block 11 moves and pushes the two first arc-shaped blocks 10 away from each other, the two first arc-shaped blocks 10 are away from each other and compress the corresponding telescopic rods 7 and telescopic springs 8, at this time, the second arc-shaped block 11 can be positioned and mounted.

[0034] The wear-resistant and corrosion-resistant layer 18 is adhered to the pump shaft body 1 by means of adhesive, so that the wear-resistant and corrosion-resistant function of the pump shaft body 1 is realized, and the service life of the pump shaft body 1 is prolonged.

[0035] Referring to Figures 2-4 The reinforcing mechanism comprises two T-shaped grooves 4 symmetrically arranged at one end of the pump shaft body 1, two T-shaped blocks 5 slidingly arranged in the two T-shaped grooves 4, the two T-shaped blocks 5 are fixedly connected with the sliding plate 6, the wear-resistant and corrosion-resistant layer 18 is made of rubber and is adhered and mounted, a first insertion hole 12 and a second insertion hole 16 are respectively arranged on the sliding plate 6 and the pump shaft body 1, the first insertion hole 12 and the second insertion hole 16 are the same in size and are arranged in parallel, one same insertion column 13 is slidingly arranged in the first insertion hole 12 and the second insertion hole 16, a thread 14 is arranged on the outer surface of one side of the insertion column 13, and a nut 15 is screwed on the thread 14.

[0036] In use, the position of the sliding plate 6 can be limited by inserting the insertion column 13 into the second insertion hole 16 and the first insertion hole 12 and rotating the nut 15, thereby enhancing the installation strength of the mounting shaft 2, thus playing a role of high-strength positioning installation, without contacting the mounting shaft 2, improving the service life of the nut 15 and the stability in use.

[0037] The implementation principle of the high-strength gear box pump shaft according to the embodiment of the application is as follows: in use, the pump shaft body 1 is first placed at a specified position, and one end of the mounting shaft 2 is inserted into the interior of the pump shaft body 1, at this time, the mounting shaft 2 drives the sliding plate 6 and the second arc-shaped block 11 to move, the second arc-shaped block 11 moves to push the two first arc-shaped blocks 10 away from each other, the two first arc-shaped blocks 10 move away from each other to compress the corresponding telescopic rods 7 and telescopic springs 8, at this time, the second arc-shaped block 11 can be positioned and installed, then the insertion column 13 is inserted into the second insertion hole 16 and the first insertion hole 12, and the nut 15 is rotated, thereby limiting the position of the sliding plate 6, thereby enhancing the installation strength of the mounting shaft 2, thus playing a role of high-strength positioning installation, without contacting the mounting shaft 2, improving the service life of the nut 15 and the stability in use.

[0038] The wear-resistant and corrosion-resistant layer 18 is adhered to the pump shaft body 1 by adhesive, thereby achieving the function of wear resistance and corrosion resistance of the pump shaft body 1, thereby prolonging the service life of the pump shaft body 1.

[0039] The above are preferred embodiments of the application, and do not limit the protection scope of the application, therefore: any equivalent changes made on the basis of the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A high-strength gearbox pump shaft, comprising a pump shaft body (1), the surface of the pump shaft body (1) being provided with a connecting piece (17), the surfaces of the pump shaft body (1) and the connecting piece (17) being provided with a wear-resistant and corrosion-resistant layer (18), characterized in that: One end of the pump shaft body (1) is provided with a mounting hole (3), the mounting hole (3) is provided with a mounting shaft (2), the mounting hole (3) is provided with a clamping mechanism for clamping installation of the mounting shaft (2). The clamping mechanism comprises two telescopic rods (7) symmetrically fixedly installed in the mounting hole (3), the two telescopic rods (7) are both provided with a telescopic spring (8), the telescopic ends of the two telescopic rods (7) are both fixedly provided with a same connecting plate (9), the side of the two connecting plates (9) close to each other is both fixedly provided with a same first arc block (10), one end of the mounting shaft (2) is fixedly provided with a sliding plate (6), one side of the sliding plate (6) is fixedly provided with a second arc block (11).

2. A high strength gearbox pump shaft according to claim 1, characterized in that: The second arc block (11) is located between the two first arc blocks (10) and is adapted thereto.

3. A high strength gear case pump shaft as claimed in claim 1, wherein: One end of the pump shaft body (1) is symmetrically provided with two T-shaped grooves (4), the two T-shaped grooves (4) are both slidably provided with a T-shaped block (5), and the two T-shaped blocks (5) are both fixedly connected with the sliding plate (6).

4. A high strength gear case pump shaft as claimed in claim 1, wherein: The wear-resistant and corrosion-resistant layer (18) is made of rubber and is adhesively installed.

5. A high strength gear case pump shaft as claimed in claim 1, wherein: The sliding plate (6) and the pump shaft body (1) are respectively provided with a first insertion hole (12) and a second insertion hole (16).

6. A high strength gearbox pump shaft according to claim 5, characterized in that: The first insertion hole (12) and the second insertion hole (16) are the same size and are arranged in parallel.

7. A high strength gearbox pump shaft according to claim 6, characterized in that: The first insertion hole (12) and the second insertion hole (16) are both provided with a same insertion column (13), one side of the insertion column (13) is provided with a screw thread (14), and the screw thread (14) is screwed with a nut (15).

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