Gear backlash adjusting device of gear reducer

Abstract

The utility model belongs to the field of speed reducers, and particularly relates to a gear speed reducer gear backlash adjusting device which is characterized in that transmission shafts are rotationally installed on the inner walls of the two sides of a gear frame, first bevel gears are fixedly installed at the ends, close to each other, of the two transmission shafts, and a rotating hole is formed in the inner wall of the top of the gear frame; a rotating seat is rotatably mounted in the rotating hole, a rectangular groove is formed in the bottom of the rotating seat, a rectangular seat is slidably mounted in the rectangular groove, a mounting disc is fixedly mounted at the top of the rectangular seat, a second bevel gear is fixedly mounted at the bottom of the mounting disc and meshed with the first bevel gear, and an adjusting mechanism is arranged on the rotating seat; and the adjusting mechanism is connected with the rectangular seat and comprises a threaded hole, an adjusting screw rod and a knob. The gear backlash adjusting device is reasonable in design, and the aim of adjusting the gear backlash between the first bevel gear and the second bevel gear is achieved by moving and fixing the second bevel gear and adjusting the distance between the second bevel gear and the first bevel gear.

Description

TECHNICAL FIELD

[0001] The utility model relates to a speed reducer technical field especially relates to a gear speed reducer gear side gap adjusting device. BACKGROUND

[0002] The speed reducer is a kind of independent component by the gear transmission, worm transmission, gear-worm transmission enclosed in rigid shell, commonly used as the speed reducer between prime mover and working machine, between prime mover and working machine or actuating mechanism match rotational speed and transmit torque, widely used in modern machinery.

[0003] Speed reducer is generally used for low-speed large-torque transmission equipment, but long-term use, the wear between the gear and gear inside the speed reducer occurs, leading to the gap between the gear and gear, the speed reducer issues the problems such as noise and service life reduction, the traditional gear speed reducer gear side gap adjustment mode is often more complex, and professional personnel need to operate with specific tools, and the equipment may need to be disassembled to a large extent during the adjustment process, which not only consumes time and effort, but also may cause additional damage to the equipment, therefore we propose a gear speed reducer gear side gap adjusting device to solve the above problems. SUMMARY

[0004] The utility model aims at solving the shortcomings in the prior art and provides a gear speed reducer gear side gap adjusting device.

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

[0006] A gear speed reducer gear side gap adjusting device, both sides of the gear frame are rotatably installed with transmission shafts, one end of the two transmission shafts close to each other is fixedly installed with bevel gear one, a rotating hole is formed in the top inner wall of the gear frame, a rotating seat is rotatably installed in the rotating hole, a rectangular groove is formed in the bottom of the rotating seat, a rectangular seat is slidably installed in the rectangular groove, the top of the rectangular seat is fixedly installed with a mounting disc, the bottom of the mounting disc is fixedly installed with bevel gear two, and the bevel gear two is engaged with the bevel gear one, an adjusting mechanism is arranged on the rotating seat and connected with the rectangular seat.

[0007] Preferably, the adjusting mechanism includes a threaded hole, an adjusting screw and a knob, the threaded hole is formed in the top inner wall of the rectangular groove, the adjusting screw is threadedly installed in the threaded hole, the bottom end of the adjusting screw is rotatably installed on the rectangular seat, and the top end of the adjusting screw is fixedly installed with the knob.

[0008] Preferably, a rotating groove is formed in the top of the rectangular seat, an annular groove is formed in the inner wall of the rotating groove, an annular seat is fixedly installed on the adjusting screw, and the annular seat is rotatably connected with the annular groove.

[0009] Preferably, the front side and the rear side of the rectangular groove are provided with limiting grooves, and the front side and the rear side of the rectangular seat are fixedly provided with limiting seats, and the limiting seat is in sliding connection with the corresponding limiting groove.

[0010] Preferably, the top of the rotating seat is provided with a sealing cover, and the sealing cover is detachably connected with the rotating seat.

[0011] Preferably, the detachable mechanism comprises a fixing groove, a mounting groove, a plug rod, a socket and a plug hole, the outer side of the rotating seat is annularly and equidistantly provided with a plurality of fixing grooves, the top inner wall of the fixing groove is provided with the plug rod, the top of the rotating seat is annularly and equidistantly provided with a plurality of mounting grooves, the mounting groove is in communication with the corresponding fixing groove, and the side, away from the rotating seat, of the mounting groove is provided as an opening, the inner wall of the sealing cover is fixedly provided with a plurality of sockets, the bottom of the socket is provided with the plug hole, and the plug hole is matched with the plug rod.

[0012] Preferably, the top inner wall of the sealing cover is provided with a plurality of spring grooves, the top inner wall of the spring groove is fixedly provided with a compression spring, and the bottom end of the compression spring is in contact with the rotating seat.

[0013] Preferably, the top of the rotating seat is provided with a receiving groove, and the knob is mounted in the receiving groove.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. When the tooth side gap needs to be adjusted, the sealing cover is pressed downward, the sealing cover can extrude the compression spring, the sealing cover can move downward with the socket, the plug rod is separated from the plug hole, the sealing cover is counterclockwise rotated, the sealing cover moves to the position right below the mounting groove, the sealing cover is moved upward, the sealing cover can separate from the rotating seat through the mounting groove, and the purpose of disassembling the sealing cover is achieved.

[0016] 2. Under the action of the knob, the adjusting screw, and the threaded hole, the adjusting screw can move with the rectangular seat, the rectangular seat can move with the bevel gear two through the mounting disc, the distance between the bevel gear two and the bevel gear one can be adjusted, and the purpose of adjusting the tooth side gap between the bevel gear one and the bevel gear two is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model provides a kind of gear reducer tooth side gap adjustment device's three-dimensional structure schematic view;

[0018] Figure 2 The utility model provides a kind of gear reducer tooth side gap adjustment device's sectional three-dimensional structure schematic view;

[0019] Figure 3The utility model provides a gear reduction mechanism tooth side gap adjusting device's A part structure schematic diagram is shown in the figure.

[0020] Figure 4 The utility model provides a gear reduction mechanism tooth side gap adjusting device's partial three-dimensional structure schematic diagram is shown in the figure.

[0021] Figure 5 The utility model provides a gear reduction mechanism tooth side gap adjusting device's sealing cover's bottom three-dimensional structure schematic diagram is shown in the figure.

[0022] In the figure: 101, gear frame;102, transmission shaft;103, bevel gear one;201, rotating hole;202, rotating seat;203, rectangular groove;204, rectangular seat;205, installation disc;206, bevel gear two;301, screw hole;302, adjusting screw;303, knob;4, sealing cover;501, fixed groove;502, installation groove;503, plug rod;504, socket;505, insertion hole;601, spring groove;602, compression spring. Specific implementation

[0023] The following is combined with the Figures 1-5 Further detailed description is made to the application.

[0024] The application embodiment discloses a gear reduction mechanism tooth side gap adjusting device.

[0025] Refer to Figures 1-5 A gear reduction mechanism tooth side gap adjusting device, including gear frame 101's both sides inner wall all rotationally installed with transmission shaft 102, two transmission shafts 102 are fixedly installed with bevel gear one 103 to each other close one end, the top inner wall of gear frame 101 is set with rotating hole 201, rotating hole 201 is rotationally installed with rotating seat 202, and the bottom of rotating seat 202 is set with rectangular groove 203, and rectangular seat 204 is slidably installed in rectangular groove 203, and the top of rectangular seat 204 is fixedly installed with installation disc 205, and the bottom of installation disc 205 is fixedly installed with bevel gear two 206, and bevel gear two 206 is engaged with bevel gear one 103, and adjusting mechanism is equipped on rotating seat 202, and adjusting mechanism is connected with rectangular seat 204.

[0026] In the embodiment, the adjusting mechanism comprises a threaded hole 301, an adjusting screw 302 and a knob 303, the threaded hole 301 is arranged on the inner wall of the top of the rectangular groove 203, the adjusting screw 302 is screwed in the threaded hole 301, the bottom end of the adjusting screw 302 is rotatably arranged on the rectangular seat 204, the top end of the adjusting screw 302 is fixedly arranged with the knob 303, the adjusting screw 302 is arranged, the movement of the adjusting screw 302 can move the rectangular seat 204, the top of the rectangular seat 204 is provided with a rotating groove, the inner wall of the rotating groove is provided with an annular groove, the annular seat is fixedly arranged on the adjusting screw 302, and the annular seat is rotatably connected with the annular groove, the annular groove and the annular seat are arranged, and the adjusting screw 302 is rotatably connected with the rectangular seat 204.

[0027] In the embodiment, the front and rear inner walls of the rectangular groove 203 are provided with limiting grooves, and the front and rear of the rectangular seat 204 are fixedly provided with limiting seats, and the limiting seats are slidably connected with the corresponding limiting grooves. By arranging the limiting grooves and the limiting seats, the rectangular seat 204 can be guided, so that the rectangular seat 204 can be stably moved.

[0028] In the embodiment, the top of the rotating seat 202 is provided with a sealing cover 4, and the sealing cover 4 is detachably connected with the rotating seat 202. The dismounting mechanism comprises a fixed groove 501, a mounting groove 502, a plug 503, a socket 504 and a plug hole 505. The outer side of the rotating seat 202 is annularly and equidistantly provided with a plurality of fixed grooves 501. The plug 503 is arranged on the top inner wall of the fixed groove 501. The top of the rotating seat 202 is annularly and equidistantly provided with a plurality of mounting grooves 502. The mounting groove 502 is in communication with the corresponding fixed groove 501, and the side away from the rotating seat 202 of the mounting groove 502 is open. The inner wall of the sealing cover 4 is fixedly provided with a plurality of sockets 504. The bottom of the socket 504 is provided with a plug hole 505, and the plug hole 505 is matched with the plug 503. By matching the socket 504, the plug hole 505 and the plug 503, the sealing cover 4 can be dismounted.

[0029] In the embodiment, a plurality of spring grooves 601 are arranged on the top inner wall of the sealing cover 4, a compression spring 602 is fixedly arranged on the top inner wall of the spring groove 601, the bottom end of the compression spring 602 is in contact with the rotating seat 202, the top of the rotating seat 202 is provided with a receiving groove, and the knob 303 is arranged in the receiving groove. By arranging the compression spring 602, the compression spring 602 can extrude the sealing cover 4 upward, and the stability of the sealing cover 4 can be improved.

[0030] The utility model discloses a working principle: when needing to adjust the tooth side gap, by pressing sealing cover 4 downwards, sealing cover 4 can extrude compression spring 602, and sealing cover 4 can take socket 504 to move downwards, make that plug rod 503 is separated with the insertion hole 505, by anticlockwise rotation sealing cover 4, sealing cover 4 takes socket 504 to move to the just below installation slot 502, at this time, move sealing cover 4 upwards, sealing cover 4 can take socket 504 to move through installation slot 502 and separate rotating seat 202, thereby realize the purpose of disassembling sealing cover 4, by rotating knob 303 and adjusting screw rod 302, under the action of screw hole 301, can realize adjusting screw rod 302 one side rotates one side removes, and adjusting screw rod 302 can take rectangular seat 204 and remove, and rectangular seat 204 can take bevel gear no. 2 206 and remove through mounting disc 205, by the movement of bevel gear no. 2 206 can adjust the interval between bevel gear no. 1 103, thereby realize the purpose of adjusting the tooth side gap between bevel gear no. 1 103 and bevel gear no. 2 206.

[0031] The above are the preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A gear reducer backlash adjustment device, characterized in that, A drive shaft (102) is rotatably mounted on both inner walls of the gear frame (101), and a bevel gear (103) is fixedly mounted on one end of the two drive shafts (102) that are close to each other. The gear frame (101) has a rotating hole (201) on its top inner wall. A rotating seat (202) is rotatably installed in the rotating hole (201). A rectangular groove (203) is provided at the bottom of the rotating seat (202). A rectangular seat (204) is slidably installed in the rectangular groove (203). An installation plate (205) is fixedly installed on the top of the rectangular seat (204). A bevel gear two (206) is fixedly installed at the bottom of the installation plate (205). The bevel gear two (206) meshes with the bevel gear one (103). An adjustment mechanism is provided on the rotating seat (202), and the adjustment mechanism is connected to the rectangular seat (204).

2. The gear reducer backlash adjustment device according to claim 1, characterized in that, The adjustment mechanism includes a threaded hole (301), an adjustment screw (302), and a knob (303). The threaded hole (301) is opened on the top inner wall of the rectangular groove (203). The adjustment screw (302) is threadedly installed in the threaded hole (301). The bottom end of the adjustment screw (302) is rotatably installed on the rectangular seat (204). The top end of the adjustment screw (302) is fixedly installed with a knob (303).

3. The gear reducer backlash adjustment device according to claim 2, characterized in that, The top of the rectangular seat (204) is provided with a rotating groove, and the inner wall of the rotating groove is provided with an annular groove. An annular seat is fixedly installed on the adjusting screw (302), and the annular seat is rotatably connected to the annular groove.

4. The gear reducer backlash adjustment device according to claim 1, characterized in that, Limiting grooves are provided on the inner walls of the front and rear sides of the rectangular groove (203), and limiting seats are fixedly installed on the front and rear sides of the rectangular seat (204), and the limiting seats are slidably connected to the corresponding limiting grooves.

5. The gear reducer backlash adjustment device according to claim 1, characterized in that, The top of the rotating seat (202) is equipped with a sealing cover (4), and there is a disassembly and assembly mechanism between the sealing cover (4) and the rotating seat (202).

6. The gear reducer backlash adjustment device according to claim 5, characterized in that, The disassembly and assembly mechanism includes a fixing groove (501), an installation groove (502), a plug rod (503), a socket (504), and a socket hole (505). The outer side of the rotating seat (202) is provided with multiple fixing grooves (501) at equal intervals in a ring. A plug rod (503) is installed on the inner wall of the top of the fixing groove (501). The top of the rotating seat (202) is provided with multiple installation grooves (502) at equal intervals in a ring. The installation groove (502) is connected to the corresponding fixing groove (501). The side of the installation groove (502) away from the rotating seat (202) is set as an opening. Multiple sockets (504) are fixedly installed on the inner wall of the sealing cover (4). A socket hole (505) is provided at the bottom of the socket (504), and the socket hole (505) is adapted to the plug rod (503).

7. The gear reducer backlash adjustment device according to claim 6, characterized in that, The sealing cover (4) has multiple spring grooves (601) on its top inner wall. A compression spring (602) is fixedly installed on the top inner wall of the spring groove (601). The bottom end of the compression spring (602) is in contact with the rotating seat (202).

8. The gear reducer backlash adjustment device according to claim 2, characterized in that, The top of the rotating seat (202) is provided with a storage slot, and the knob (303) is installed in the storage slot.

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