Transmission shaft assembly with adjustable installation position

Abstract

The utility model relates to the field of transmission shafts, in particular to a transmission shaft assembly with an adjustable mounting position, which comprises an adjusting structure, a bearing seat is mounted on the outer wall of the top of the adjusting structure, and an adjusting shaft assembly is mounted at the center of the bearing seat; the adjusting shaft assembly comprises a center shaft, movable grooves formed in the centers of the two ends of the center shaft, movable shafts slidably connected to the center shaft and located in the movable grooves, and a two-way screw rotationally connected to the center of the center shaft. The adjusting structure comprises a sliding bottom plate, a sliding groove formed in the center of the outer wall of the top of the sliding bottom plate and a mounting base slidably connected to the inner wall of the sliding groove. The hydraulic push rod of the sliding bottom plate is started to pull the mounting seat to slide, so that the mounting seat moves along with the extension of the movable shaft, the adjusting stability is ensured, the mounting position is convenient to adjust, and follow-up is convenient; the center shaft and the movable shaft are synchronously driven by the driving motor to rotate on the bearing seat, use is met, and operation stability is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission shafts, in particular to a transmission shaft component with adjustable installation position. Background Art

[0002] The shaft is a cylindrical object that passes through the middle of a bearing, wheel, or gear, but a few are square. The shaft is a mechanical part that supports rotating parts and rotates with them to transmit motion, torque, or bending moment. It is usually a metal rod, and each section can have different diameters;

[0003] Currently, most shafts are one-piece or welded at both ends. When the installation position changes, a new size shaft needs to be replaced for use, and the original shaft will be stored until the next use. Therefore, it is necessary to always have shafts of various sizes for easy use. The shafts need to be maintained, and a large number of shafts leads to increased maintenance costs, and purchasing shafts of various sizes also requires additional costs. Utility Model Content

[0004] The purpose of the utility model is to propose a transmission shaft assembly with adjustable installation position in response to the above-mentioned problems and shortcomings: the driving motor drives the bidirectional screw to rotate through the extension rod, and after the bidirectional screw rotates, the thread blocks on the bidirectional screw move away from each other, so that the two ends of the central shaft are extended, which is convenient for extending the shaft and easy to use, avoids maintaining too many shafts, reduces costs, and solves the maintenance cost and procurement cost problems caused by preparing multiple shafts.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A transmission shaft assembly with an adjustable installation position comprises an adjustment structure, wherein a bearing seat is installed on the top outer wall of the adjustment structure, and an adjustment shaft assembly is installed at the center of the bearing seat; the adjustment shaft assembly comprises a central shaft, movable grooves opened at the centers of both ends of the central shaft, a movable shaft slidably connected to the central shaft in the movable grooves, and a bidirectional screw rotatably connected at the center of the central shaft; the adjustment structure comprises a sliding base plate, a sliding groove opened at the center of the top outer wall of the sliding base plate, and a mounting seat slidably connected to the inner wall of the sliding groove.

[0007] Preferably, the bottom outer wall of the mounting seat is slidably connected to the top outer wall of the sliding base plate, and the bearing seat is installed on the top outer wall of the mounting seat.

[0008] Preferably, hydraulic push rods are installed on both sides of one end of the top outer wall of the sliding bottom plate, and the other end of the hydraulic push rod is installed on one side outer wall of the mounting seat;

[0009] The hydraulic push rod of the sliding bottom plate starts to pull the mounting seat to slide, so that the mounting seat moves along with the extension of the movable shaft, thereby ensuring the stability of the adjustment, facilitating the adjustment of the installation position, and facilitating the follow-up movement.

[0010] Preferably, a threaded block is installed on one end of the inner wall of the movable shaft, and the threaded block is threadedly connected to the outer wall of the bidirectional screw, and a sliding block is installed on the inner wall of the other end of the movable shaft, and the sliding block is slidably connected to the outer wall of the bidirectional screw.

[0011] Preferably, the inner wall of the central shaft at the movable groove is provided with equally spaced limiting grooves, and the outer wall of the movable shaft is welded with limiting strips at the limiting grooves, and the outer wall of the movable shaft is slidably connected to the inner wall of the central shaft.

[0012] Preferably, a rotating gear is installed on the outer wall of one end of the movable shaft, and a driving motor is installed on the outer wall of one end of the bearing seat, and a driving gear is installed on the output shaft of the driving motor, and the driving gear is meshed with the rotating gear;

[0013] The driving motor drives the bidirectional screw to rotate through the extension rod. After the bidirectional screw rotates, the thread blocks on the bidirectional screw move away from each other, so that both ends of the central axis are extended, which is convenient for extending the axis, easy to use, avoids maintaining too many axis, and reduces costs.

[0014] Preferably, both ends of the bidirectional screw are provided with a driving groove, and an extension rod is inserted into the driving groove, and an adjustment gear is installed on the outer wall of the other end of the extension rod;

[0015] The driving gear drives the rotating gear to mesh, and the rotating gear drives the central shaft to rotate through the limit strip on the movable shaft. The central shaft and the movable shaft are driven to rotate synchronously on the bearing seat by the driving motor, which meets the use and ensures the stability of operation.

[0016] Preferably, the driving motor and the hydraulic push rod are connected to a switch via a wire, and the switch is connected to a power source via a wire.

[0017] The beneficial effects of the utility model are:

[0018] 1. The driving motor drives the bidirectional screw to rotate through the extension rod. After the bidirectional screw rotates, the thread blocks on the bidirectional screw move away from each other, so that both ends of the central shaft are extended, which is convenient for extending the shaft and easy to use, avoiding the maintenance of too many shafts and reducing costs;

[0019] 2. The hydraulic push rod of the sliding bottom plate starts to pull the mounting seat to slide, so that the mounting seat moves with the extension of the movable shaft, ensuring the stability of the adjustment, facilitating the adjustment of the installation position, and facilitating follow-up;

[0020] 3. The driving gear drives the rotating gear to mesh, and the rotating gear drives the central shaft to rotate through the limit strip on the movable shaft. The central shaft and the movable shaft are driven to rotate synchronously on the bearing seat by the driving motor to meet the use and ensure the stability of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the cross-sectional structure of the central axis of a transmission shaft assembly with adjustable installation position proposed by the utility model;

[0022] Figure 2 This is a schematic diagram of a movable shaft structure of a transmission shaft assembly with adjustable installation position proposed by the utility model;

[0023] Figure 3 This is a schematic diagram of a sliding base structure of a transmission shaft assembly with adjustable installation position proposed by the utility model;

[0024] Figure 4 The utility model is a schematic diagram of the overall structure of a transmission shaft assembly with adjustable installation position.

[0025] In the figure: 1 adjusting structure, 2 bearing seat, 3 adjusting shaft assembly, 4 center shaft, 5 limiting groove, 6 movable shaft, 7 limiting bar, 8 bidirectional screw, 9 threaded block, 10 sliding block, 11 rotating gear, 12 driving groove, 13 extension rod, 14 adjusting gear, 15 sliding base plate, 16 sliding groove, 17 mounting seat, 18 hydraulic push rod, 19 driving motor, 20 driving gear. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Embodiment 1:

[0028] Reference Figure 3-4 , a transmission shaft assembly with adjustable installation position, comprising an adjustment structure 1, a bearing seat 2 is installed on the top outer wall of the adjustment structure 1, and an adjustment shaft assembly 3 is installed at the center of the bearing seat 2;

[0029] The adjustment structure 1 includes a sliding base plate 15, a sliding groove 16 provided at the center of the outer wall of the top of the sliding base plate 15, and a mounting seat 17 slidably connected to the inner wall of the sliding groove 16. The hydraulic push rod 18 of the sliding base plate 15 starts to pull the mounting seat 17 to slide, so that the mounting seat 17 moves with the extension of the movable shaft 6. After the adjustment is completed, the extension rod 13 is separated from the driving groove 12.

[0030] The bottom outer wall of the mounting seat 17 is slidably connected to the top outer wall of the sliding bottom plate 15, and the bearing seat 2 is installed on the top outer wall of the mounting seat 17;

[0031] Hydraulic push rods 18 are installed on both sides of one end of the top outer wall of the sliding base plate 15, and the other end of the hydraulic push rod 18 is installed on the outer wall of one side of the mounting seat 17. After the hydraulic push rod 18 on the sliding base plate 15 is started, it drives the mounting seat 17 to slide and connect on the sliding groove 16 and the sliding base plate 15, maintaining the stability of the sliding process, facilitating movement following the rotation of the bidirectional screw 8, and facilitating adjustment of the installation position.

[0032] Embodiment 2:

[0033] Reference Figure 1-2 The adjusting shaft assembly 3 includes a central shaft 4, movable grooves provided at the centers of both ends of the central shaft 4, a movable shaft 6 slidably connected to the central shaft 4 in the movable grooves, and a bidirectional screw 8 rotatably connected to the center of the central shaft 4. The central shaft 4, the movable shaft 6, the sliding block 10 and the threaded block 9 support each other as a whole to ensure the stability and strength of the shaft;

[0034] A threaded block 9 is installed at one end of the inner wall of the movable shaft 6, and the threaded block 9 is threadedly connected to the outer wall of the bidirectional screw 8, and a sliding block 10 is installed on the inner wall of the other end of the movable shaft 6, and the sliding block 10 is slidably connected to the outer wall of the bidirectional screw 8. The sliding block 10 at one end of the movable shaft 6 slides on the outer wall of the bidirectional screw 8 at one end of the movable shaft 6 to keep the bidirectional screw 8 horizontal and support the movable shaft 6 and the bidirectional screw 8;

[0035] The inner wall of the central shaft 4 at the movable groove is provided with equally spaced limit grooves 5, and the outer wall of the movable shaft 6 is welded with a limit strip 7 at the limit groove 5, and the outer wall of the movable shaft 6 is slidably connected to the inner wall of the central shaft 4;

[0036] A rotating gear 11 is installed on the outer wall of one end of the movable shaft 6, and a driving motor 19 is installed on the outer wall of one end of the bearing seat 2, and a driving gear 20 is installed on the output shaft of the driving motor 19, and the driving gear 20 is meshed with the rotating gear 11. The limit bar 7 on the movable shaft 6 limits the movable shaft 6 to prevent the movable shaft 6 from rotating alone, so as to facilitate the sliding of the movable shaft 6;

[0037] The driving motor 19 and the hydraulic push rod 18 are connected to the switch through a wire, and the switch is connected to the power supply through a wire. After the driving motor 19 is started, the movable shaft 6 and the central shaft 4 are driven to rotate through the driving gear 20 and the rotating gear 11, so as to facilitate the work;

[0038] Both ends of the bidirectional screw 8 are provided with a driving groove 12, and an extension rod 13 is inserted into the driving groove 12. An adjusting gear 14 is installed on the outer wall of the other end of the extension rod 13. The driving motor 19 drives the shaft to rotate through the rotating gear 11 and the driving gear 20 to complete the adjustment, which is convenient for adjusting the length size.

[0039] Working principle: When in use, the whole is assembled and debugged, the starting drive motor 19 drives the rotating gear 11 to mesh through the driving gear 20, and the rotating gear 11 drives the central shaft 4 to rotate through the limit strip 7 on the movable shaft 6. The central shaft 4 and the movable shaft 6 are synchronously driven to rotate by the drive motor 19 on the bearing seat 2 to meet the use. After stopping the drive motor 19, the central shaft 4 and the movable shaft 6 are adjusted to increase the overall length of the shaft. Another drive motor 19 is inserted into the drive slot 12 at one end of the bidirectional screw 8 through the extension rod 13. The drive motor 19 is extended through the extension rod 13 drives the bidirectional screw 8 to rotate. After the bidirectional screw 8 rotates, the threaded blocks 9 move away from each other on the bidirectional screw 8. The movable shaft 6 is slidably connected to the limit groove 5 through the limit bar 7, so that the two ends of the central shaft 4 are extended. At this time, the hydraulic push rod 18 of the sliding base plate 15 starts to pull the mounting seat 17 to slide, so that the mounting seat 17 moves with the extension of the movable shaft 6. After the adjustment is completed, the extension rod 13 is separated from the driving groove 12, and the driving motor 19 drives the shaft to rotate through the rotating gear 11 and the driving gear 20 to complete the adjustment, which is convenient for adjusting the length size and the installation position.

[0040] The exemplary implementation of the utility model is described in detail with reference to the examples, however, it is understood by those skilled in the art that, without departing from the concept of the utility model, various modifications and alterations may be made to the above-mentioned specific embodiments, and various combinations of the various technical features and structures proposed in the utility model may be made without exceeding the scope of protection of the utility model, which is determined by the attached claims. The foregoing description of the specific exemplary implementation of the utility model is not intended to limit the utility model to the precise form disclosed, and it is obvious that many changes and variations can be made according to the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the utility model and its practical application, so that those skilled in the art can realize and utilize various different exemplary implementations of the utility model and various different choices and changes. The scope of the utility model is intended to be defined by the claims and their equivalents.

Claims

1. A transmission shaft assembly with adjustable installation position, comprising an adjustment structure (1), characterized in that: A bearing seat (2) is installed on the top outer wall of the adjustment structure (1), and an adjustment shaft assembly (3) is installed at the center of the bearing seat (2); The adjusting shaft assembly (3) comprises a central shaft (4), movable grooves provided at the centers of both ends of the central shaft (4), a movable shaft (6) slidably connected to the central shaft (4) and located in the movable grooves, and a bidirectional screw (8) rotatably connected to the center of the central shaft (4); The adjustment structure (1) comprises a sliding base plate (15), a sliding groove (16) provided at the center of the top outer wall of the sliding base plate (15), and a mounting seat (17) slidably connected to the inner wall of the sliding groove (16).

2. A transmission shaft assembly with adjustable installation position according to claim 1, characterized in that: The bottom outer wall of the mounting seat (17) is slidably connected to the top outer wall of the sliding base plate (15), and the bearing seat (2) is mounted on the top outer wall of the mounting seat (17).

3. The transmission shaft assembly with adjustable installation position according to claim 1, characterized in that: Hydraulic push rods (18) are installed on both sides of one end of the top outer wall of the sliding bottom plate (15), and the other end of the hydraulic push rod (18) is installed on one side outer wall of the mounting seat (17).

4. The transmission shaft assembly with adjustable installation position according to claim 1, characterized in that: A threaded block (9) is installed on one end of the inner wall of the movable shaft (6), and the threaded block (9) is threadedly connected to the outer wall of the bidirectional screw (8), and a sliding block (10) is installed on the inner wall of the other end of the movable shaft (6), and the sliding block (10) is slidably connected to the outer wall of the bidirectional screw (8).

5. The transmission shaft assembly with adjustable installation position according to claim 1, characterized in that: The inner wall of the central shaft (4) located at the movable groove is provided with limit grooves (5) distributed at equal distances, and the outer wall of the movable shaft (6) is welded with a limit strip (7) located at the limit groove (5), and the outer wall of the movable shaft (6) is slidably connected to the inner wall of the central shaft (4).

6. The transmission shaft assembly with adjustable installation position according to claim 1, characterized in that: A rotating gear (11) is installed on the outer wall of one end of the movable shaft (6), and a driving motor (19) is installed on the outer wall of one end of the bearing seat (2), and a driving gear (20) is installed on the output shaft of the driving motor (19), and the driving gear (20) is meshed with the rotating gear (11).

7. The transmission shaft assembly with adjustable installation position according to claim 1, characterized in that: Both ends of the bidirectional screw rod (8) are provided with driving grooves (12), and an extension rod (13) is inserted into the driving groove (12), and an adjusting gear (14) is installed on the outer wall of the other end of the extension rod (13).

8. The transmission shaft assembly with adjustable installation position according to claim 6, characterized in that: The driving motor (19) and the hydraulic push rod (18) are connected to a switch via a wire, and the switch is connected to a power source via a wire.

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