Flange connecting structure of planetary reducer

Abstract

The utility model relates to the technical field of speed reducers, in particular to a planetary speed reducer flange connecting structure which comprises a speed reducer shell, a first flange plate is fixedly connected to one side of the outer wall of the speed reducer shell, and a sun gear, three planetary gears and a bearing are arranged in the speed reducer shell. Connecting rods are arranged between the three planetary gears and the bearing, and an output shaft is arranged on one side of the bearing. The device has the advantages that the two bidirectional lead screws drive the four sliding blocks to move relatively at the same time, and the four sliding blocks drive the four rectangular blocks to move relatively until the four rectangular blocks are inserted into the four rectangular limiting grooves respectively, so that the four moving blocks can be prevented from being pulled out of the limiting openings at will, and the working efficiency is improved. The first flange plate and the second flange plate are connected, the motor and the speed reducer shell are locked, connection between the motor and the speed reducer can be controlled only by rotating the two bolts, too many bolts are not needed, and the mounting and dismounting speed is greatly increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to a reducer technical field especially a kind of flange connecting structure of planetary reducer. BACKGROUND

[0002] Planetary reducer is a kind of widely used industrial products, can reduce the rotational speed of motor, while increasing output torque. Planetary reducer can be used as a supporting component for hoisting, excavating, transporting, building and other industries, and the planetary reducer has the characteristics of small size, light weight, high load capacity, long service life, smooth operation, low noise, large output torque, large speed ratio, high efficiency and safe performance, and has the characteristics of power split and multi-tooth engagement. It is a new type of reducer with wide versatility. In the application process of the reducer, flange connecting structure is needed to connect the reducer shaft and the motor. The existing flange connecting structure often needs a large number of bolts for fastening, which not only increases the labor and economic cost, but also greatly reduces the efficiency of fixing and installation. SUMMARY

[0003] The utility model aims at overcoming the shortcomings of prior art, provide a kind of flange connecting structure of planetary reducer, effectively solve the deficiency of prior art.

[0004] In order to achieve the above purpose, the utility model provides a kind of flange connecting structure of planetary reducer in one aspect of embodiment, including reducer shell, the first flange plate is fixedly connected on the outer wall of the reducer shell, the sun gear, three planetary gears and bearing are arranged in the reducer shell, the connecting rod is arranged between the three planetary gears and the bearing, the output shaft is arranged on the side of the bearing, the output shaft is stretched out from the outer wall of the reducer shell away from the side of the first flange plate, the input port is arranged on the side of the reducer shell away from the output shaft, the motor is arranged on the side of the first flange plate, the second flange plate is fixedly connected on the side of the motor close to the output end, the output end of the motor is stretched into the inside of the input port through the first flange plate and the second flange plate, the first flange plate is attached to the second flange plate, the four moving blocks are fixedly connected on the side of the second flange plate close to the first flange plate, the four limit openings are formed on the side of the first flange plate, the four moving blocks are slidably connected with the four limit openings, the four moving blocks are arranged in the first flange plate, and the positions of the four moving blocks correspond to the positions of the four moving blocks.

[0005] It is preferred that the first flange plate has a strip-shaped groove on both sides, a bidirectional screw rod is rotatably connected in the strip-shaped groove, two sliding blocks are slidably connected in the strip-shaped groove, and the four sliding blocks are threadedly connected with the two ends of the bidirectional screw rod.

[0006] The technical effect reached by the above scheme is that the bidirectional screw rod can drive two sliders to move simultaneously by rotating.

[0007] Preferably, according to any one of the above schemes, the first flange plate is provided with a rectangular groove near the two ends of the two bidirectional screw rods, the strip-shaped groove is connected with the two rectangular grooves, and the four sliders are fixedly connected with rectangular blocks on one side.

[0008] The technical effect reached by the above scheme is that the two rectangular blocks can be driven to move simultaneously when the sliders move, and the rectangular blocks can move linearly in the rectangular grooves.

[0009] Preferably, according to any one of the above schemes, the four rectangular grooves are connected with four limiting openings respectively, the four sliders are provided with rectangular limiting grooves on one side, and the positions of the four rectangular blocks correspond to the positions of the four rectangular limiting grooves.

[0010] The technical effect reached by the above scheme is that the rectangular blocks can be moved into the limiting openings, and the rectangular blocks can be moved into the rectangular limiting grooves when the sliders are moved into the limiting openings, so that the sliders can be limited, and the second flange plate can be locked.

[0011] Preferably, according to any one of the above schemes, the outer wall of the first flange plate is provided with two through grooves on both sides, and the four through grooves are connected with the strip-shaped groove and the rectangular groove.

[0012] The technical effect reached by the above scheme is that the sliders and the rectangular blocks can be conveniently installed into the first flange plate, and the difficulty of assembling the first flange plate by the workers is reduced.

[0013] Preferably, according to any one of the above schemes, the outer wall of the first flange plate is provided with rotating bolts near the two bidirectional screw rods, and the rotating bolts are fixedly connected with one end of the two bidirectional screw rods respectively.

[0014] The technical effect reached by the above scheme is that the sleeve and the bolt are sleeved, the sleeve can be rotated to drive the bolt to rotate, so that the bidirectional screw rod is driven to rotate, and the operation difficulty of the workers is further reduced.

[0015] The utility model has the following advantages:

[0016] The flange connecting structure of the planetary reducer comprises a first flange plate and a second flange plate, and the first flange plate is connected with the second flange plate on one side, and the moving blocks are respectively inserted into the interiors of four limiting openings, two bidirectional screws are rotated by bolts, the four sliding blocks are simultaneously relatively moved by the two bidirectional screws, the four rectangular blocks are relatively moved by the four sliding blocks, until the four rectangular blocks are respectively inserted into the interiors of four rectangular limiting grooves, the four moving blocks are prevented from being pulled out of the limiting openings at will, and the connection between the first flange plate and the second flange plate is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structural schematic view of the first view of the utility model;

[0018] Fig. 2 It is a structural schematic view of the second view of the utility model;

[0019] Fig. 3 It is a structural schematic view of the third view of the utility model;

[0020] Fig. 4 It is a structural schematic view of the fourth view of the utility model.

[0021] In the figure: 1 - reducer shell, 2 - bolt, 3 - second flange plate, 4 - motor, 5 - first flange plate, 6 - through slot, 7 - planetary gear, 8 - connecting rod, 9 - sun gear, 10 - bearing, 11 - rectangular groove, 12 - limiting opening, 13 - rectangular block, 14 - sliding block, 15 - bidirectional screw, 16 - output shaft, 17 - rectangular limiting groove, 18 - moving block, 19 - input port, 20 - strip-shaped recess. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings, but the protection scope of the utility model is not limited to the following.

[0023] As Figs. 1 to 4As shown in the drawing, a kind of planetary reducer flange connection structure, it includes reducer housing 1, first flange 5 is fixedly connected to the one side of the outer wall of reducer housing 1, sun gear 9, three planetary gears 7 and bearing 10 are provided in the inside of reducer housing 1, connecting rod 8 is provided between three planetary gears 7 and bearing 10, the side of bearing 10 is provided with output shaft 16, the one end of output shaft 16 is stretched from the outer wall of reducer housing 1 and the side of first flange 5 away, the side of reducer housing 1 away from output shaft 16 is provided with input 19, the side of motor 4 close to output end is fixedly connected with second flange 3, the output end of motor 4 is stretched into the inside of input 19 by passing through first flange 5 and second flange 3, first flange 5 is attached to second flange 3, four moving blocks 18 are fixedly connected to the side of second flange 3 close to first flange 5, four limit openings 12 are formed in the side of first flange 5, four moving blocks 18 are slidably connected with four limit openings 12, four moving blocks 18 are provided in the inside of first flange 5, and the positions of four moving blocks 18 correspond to the positions of four moving blocks 18.

[0024] As an optional technical scheme of the utility model, two strip grooves 20 are formed in the inside of first flange 5, two-way screw rod 15 is rotatably connected in the inside of two strip grooves 20, two sliding blocks 14 are slidably connected in the inside of two strip grooves 20, four sliding blocks 14 are threadedly connected with the two ends of two-way screw rod 15 respectively, by using the scheme, two-way screw rod 15 can be rotated to drive two sliding blocks 14 to move simultaneously.

[0025] As an optional technical scheme of the utility model, two strip grooves 20 are formed in the inside of first flange 5, two-way screw rod 15 is rotatably connected in the inside of two strip grooves 20, two sliding blocks 14 are slidably connected in the inside of two strip grooves 20, four sliding blocks 14 are threadedly connected with the two ends of two-way screw rod 15 respectively, by using the scheme, two-way screw rod 15 can be rotated to drive two sliding blocks 14 to move simultaneously.

[0026] As an optional technical scheme of the utility model, two strip grooves 20 are formed in the inside of first flange 5, two-way screw rod 15 is rotatably connected in the inside of two strip grooves 20, two sliding blocks 14 are slidably connected in the inside of two strip grooves 20, four sliding blocks 14 are threadedly connected with the two ends of two-way screw rod 15 respectively, by using the scheme, two-way screw rod 15 can be rotated to drive two sliding blocks 14 to move simultaneously.

[0027] As an optional technical scheme of the utility model, two through grooves 6 are arranged on both sides of the outer wall of the first flange plate 5, four through grooves 6 are communicated with the strip-shaped groove 20 and the rectangular groove 11, through using the scheme, the rectangular block 13 can be conveniently installed into the first flange plate 5, and the difficulty of assembling the first flange plate 5 by the staff is reduced.

[0028] As an optional technical scheme of the utility model, rotating bolts 2 are arranged on the positions of the outer wall of the first flange plate 5 close to the two bidirectional screw rods 15, the rotating bolts 2 are fixedly connected with one end of the two bidirectional screw rods 15 respectively, through using the scheme, the sleeve and the bolt 2 are sleeved, the sleeve is rotated, the bolt 2 is driven to rotate, the bidirectional screw rod 15 is driven to rotate, and the operation difficulty of the staff is further reduced.

[0029] The flange connecting structure of the planetary reducer needs the following steps when in use:

[0030] 1) the first flange plate 5 is attached to one side of the second flange plate 3, and the moving blocks 18 are inserted into the four limiting openings 12 respectively;

[0031] 2) the four sliding blocks 14 drive the four rectangular blocks 13 to move relatively until the four rectangular blocks 13 are inserted into the four rectangular limiting grooves 17 respectively;

[0032] 3) the four moving blocks 18 are prevented from being pulled out of the limiting openings 12 at will, thereby realizing the connection between the first flange plate 5 and the second flange plate 3, and locking the motor 4 and the reducer shell 1.

[0033] In summary, when in use, the first flange plate 5 is attached to one side of the second flange plate 3, the moving blocks 18 are inserted into the four limiting openings 12 respectively, the bolt 2 is used to rotate the two bidirectional screw rods 15, the two bidirectional screw rods 15 drive the four sliding blocks 14 to move relatively at the same time, the four sliding blocks 14 drive the four rectangular blocks 13 to move relatively, until the four rectangular blocks 13 are inserted into the four rectangular limiting grooves 17 respectively, the four moving blocks 18 are prevented from being pulled out of the limiting openings 12 at will, thereby realizing the connection between the first flange plate 5 and the second flange plate 3, locking the motor 4 and the reducer shell 1, only the two bolts 2 need to be rotated to control the connection between the motor 4 and the reducer, and the installation and dismounting speed is greatly increased without too many bolts.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A flange connection structure of a planetary reduction mechanism characterized by: The invention comprises a reducer housing (1), wherein a first flange (5) is fixedly connected to one side of the outer wall of the reducer housing (1), a sun gear (9), three planetary gears (7) and a bearing (10) are arranged inside the reducer housing (1), a connecting rod (8) is arranged between the three planetary gears (7) and the bearing (10), an output shaft (16) is arranged on one side of the bearing (10), one end of the output shaft (16) extends from the side of the outer wall of the reducer housing (1) away from the first flange (5), an input port (19) is arranged on the side of the reducer housing (1) away from the output shaft (16), a motor (4) is arranged on one side of the first flange (5), and the motor (4) is close to the outer wall of the reducer housing (1). A second flange (3) is fixedly connected to a side near the output end, and the output end of the motor (4) extends into the interior of the input port (19) through the first flange (5) and the second flange (3), and the first flange (5) fits the second flange (3). Four moving blocks (18) are fixedly connected to a side of the second flange (3) close to the first flange (5), and four limiting openings (12) are opened on one side of the first flange (5). The four moving blocks (18) are slidably connected to the four limiting openings (12), and four moving blocks (18) are arranged inside the first flange (5), and the positions of the four moving blocks (18) correspond to the positions of the four moving blocks (18).

2. The flange connection structure of a planetary speed reducer according to claim 1, characterized in that: The first flange (5) is provided with strip grooves (20) on both sides thereof, and the insides of the two strip grooves (20) are both rotatably connected with bidirectional screw rods (15), and the insides of the two strip grooves (20) are both slidably connected with two sliders (14), and the four sliders (14) are respectively threadedly connected to the two ends of the two bidirectional screw rods (15).

3. The flange connection structure of a planetary speed reducer according to claim 2, characterized in that: Rectangular grooves (11) are provided inside the first flange (5) near the two ends of the two bidirectional screw rods (15), the strip grooves (20) are connected to the two rectangular grooves (11), and one side of the four sliding blocks (14) is fixedly connected to a rectangular block (13), and the four rectangular blocks (13) are respectively located inside the four rectangular grooves (11) and are slidably connected to the inner walls of the rectangular grooves (11).

4. The flange connection structure of a planetary speed reducer according to claim 3, characterized in that: The four rectangular grooves (11) are respectively connected to the four limiting openings (12); one side of each of the four moving blocks (18) is provided with a rectangular limiting groove (17); the positions of the four rectangular blocks (13) correspond to the positions of the four rectangular limiting grooves (17).

5. The flange connection structure of a planetary speed reducer according to claim 4, characterized in that: Two through slots (6) are provided on both sides of the outer wall of the first flange (5), and the four through slots (6) are all connected to the strip groove (20) and the rectangular slot (11).

6. The flange connection structure of a planetary speed reducer according to claim 5, characterized in that: A rotating bolt (2) is provided at a position on the outer wall of the first flange (5) close to the two bidirectional screw rods (15), and the rotating bolt (2) is fixedly connected to one end of the two bidirectional screw rods (15) respectively.

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