CN218449731U - Harmonic bearing type cycloidal pin gear speed reducer - Google Patents

Abstract

The utility model discloses a harmonic bearing type cycloid reducer, which relates to the technical field of reducers; and the utility model comprises a reducer body, two ends of the reducer body are equipped with transmission seats, and two A shock absorbing mechanism is arranged below the drive seat; the vibration force generated by the reducer body in the utility model will be transmitted to the fixed plate through the drive seat, and the fixed plate will squeeze the hinged damping rod downward, and the shock absorbing rod will be pressed when it is stressed. Squeeze the moving block so that the moving block moves in the first groove, the two moving blocks are connected through the connecting plate, and the side wall of the connecting plate is connected through the hydraulic cylinder, so that the hydraulic cylinder provides a reverse thrust to the connecting plate to drive The moving block provides cushioning for the shock-absorbing rod, reducing the vibration transmitted through the transmission seat, buffering the transmission seat and the reducer body, and cooperating with the spring damper to improve the shock-absorbing effect on the reducer body and avoiding the vibration of the reducer. The structure inside the body was damaged by violent vibration.

Description

A kind of harmonic bearing type cycloid reducer

technical field

The utility model relates to the technical field of reducers, in particular to a harmonic bearing type cycloid reducer.

Background technique

The cycloidal pin gear reducer is a novel transmission device that applies the principle of planetary transmission and adopts cycloidal pin gear meshing. The harmonic bearing cycloidal pin gear reducer changes the bearing in the cycloidal pin gear Reducer bearings to improve the performance of harmonic reducers.

The deceleration installation in the prior art has the following problems after installation and use:

The existing cycloid reducer will vibrate itself when it is working. After working for a long time, the structure of the cycloid wheel and other structures on the inner wall of the cycloid reducer is easy to change. When it is used for a long time, it will cause certain damage to the equipment. .

In view of the above problems, the inventor proposes a harmonic bearing type cycloid reducer to solve the above problems.

Utility model content

In order to solve the problem that the cycloidal pinwheel reducer itself will vibrate when it is working, and it will cause certain damage to the equipment when it is used for a long time; the purpose of this utility model is to provide a harmonic bearing type cycloidal pinwheel reducer .

In order to solve the above technical problems, the utility model adopts the following technical scheme: a harmonic bearing type cycloid reducer, including a reducer body, two ends of the reducer body are installed with transmission seats, two transmission There is a shock absorbing mechanism under the seat;

The shock absorbing mechanism includes a bottom plate, which is located directly below the two transmission seats, and two first grooves are formed on the upper surface of the bottom plate close to the transmission seats, and two symmetrically distributed The moving block, the lower surface of the two transmission seats is fixed with a fixed plate, the upper surface of the moving block is installed with the lower surface of the fixed plate with a hinged block, and the hinged block on the moving block is the same as the lower surface of the fixed plate. A damping rod is provided between the hinge blocks through hinges, a first chute is jointly provided on the adjacent side of the two first grooves, and a moving block at the same end in the two first grooves is jointly connected with a The connection plate, the two ends in the middle of the upper surface of the bottom plate are provided with a second groove communicating with the first chute, a hydraulic cylinder is installed in the second groove, and the output end of the hydraulic cylinder is fixedly connected to the connection plate Above, when the reducer body works to generate vibration, the generated vibration force will be transmitted to the fixed plate through the transmission seat, and the fixed plate will press down on the hinged damping rod. When the shock absorbing rod is stressed, it will squeeze the moving block, so that The moving block moves in the first groove, and the two moving blocks are connected by a connecting plate, and the side wall of the connecting plate is connected by a hydraulic cylinder, so that the hydraulic cylinder provides a reverse thrust to the connecting plate, driving the moving block to the damping rod Provide cushioning, reduce the vibration feeling transmitted through the transmission seat, and perform buffering and shock absorption on the transmission seat and the reducer body.

Preferably, a guide rod is fixed in the first groove, and one end of the moving block located in the first groove is movably inserted on the guide rod to limit the moving block in the horizontal direction so that it can Stable movement in a groove; buffer springs are set at both ends of the guide rod to provide a preliminary buffer when the moving block moves, preventing the moving block from directly abutting against the end of the first groove.

Preferably, the side wall of the bottom plate is placed in a groove, and a spring damper is installed in the groove together with the lower surface of the transmission seat. The spring damper can directly absorb the shock of the two transmission seats and improve the speed reduction of the reducer body. For the effect of shock absorption, the number of the spring dampers is set to four and distributed at the four corners of the bottom plate. The spring dampers arranged at the four corners of the bottom plate can directly damp the two transmission seats and improve the shock absorption of the reducer body. The effect is to prevent the structure in the reducer body from being damaged by severe vibration.

Preferably, two ends of the transmission seat are fixed with a vertical mounting plate, and the mounting plate is fixed with a slider facing the side of the bottom plate, and the side wall of the bottom plate is provided with a second chute close to the slider. The slide block is slidably arranged in the second chute, so that the transmission seat can be arranged on the bottom plate.

Compared with the prior art, the utility model has the beneficial effects of:

In the utility model, the vibration force generated by the reducer body will be transmitted to the fixed plate through the transmission seat, and the fixed plate will squeeze the hinged damping rod downwards, and the moving block will be squeezed when the shock absorbing rod is stressed, so that the moving block Moving in the first groove, the two moving blocks are connected by a connecting plate, and the side wall of the connecting plate is connected by a hydraulic cylinder, so that the hydraulic cylinder provides a reverse thrust to the connecting plate, driving the moving block to provide cushioning for the shock absorber, Reduce the vibration transmitted through the transmission seat, buffer the transmission seat and the reducer body, cooperate with the spring damper to directly damp the two transmission seats, improve the shock absorption effect on the reducer body, and avoid the reduction of the reducer The structure inside the main body was damaged by violent vibration.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Figure 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a schematic diagram of the structure of the floor of the utility model.

Fig. 3 is a schematic diagram of the structure of the first chute of the present invention.

In the figure: 1, reducer body; 11, transmission seat; 12, bottom plate; 13, first groove; 14, moving block; 15, hinge block; 16, damping rod; 17, fixed plate; 18, first chute; 19, connecting plate; 20, second groove; 21, hydraulic cylinder; 22, guide rod; 23, buffer spring; 24, placement groove; 25, spring damper; 26, mounting plate; Block; 28, the second chute.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment: As shown in Figure 1-3, the utility model provides a harmonic bearing type cycloid reducer, including a reducer body 1, and two ends of the reducer body 1 are equipped with transmission seats 11, two A shock absorbing mechanism is provided under the transmission seat 11;

The shock absorbing mechanism includes a bottom plate 12, which is located directly below the two transmission seats 11, and the upper surface of the bottom plate 12 is provided with two first grooves 13 close to the transmission seats 11, and two symmetrically distributed grooves are provided for sliding in the first groove 13. The moving block 14 is fixedly provided with a fixed plate 17 on the lower surface of the two driving seats 11, and the upper surface of the moving block 14 is installed with a hinged block 15 on the lower surface of the fixed plate 17, and the hinged block 15 on the moving block 14 is under the fixed plate 17 The hinged blocks 15 on the surface are hinged to be provided with damping rods 16, and the adjacent sides of the two first grooves 13 are jointly provided with a first chute 18, and the moving blocks 14 at the same end in the two first grooves 13 Common connection is provided with connecting plate 19, the two ends in the middle of the upper surface of bottom plate 12 are provided with the second groove 20 that communicates with the first chute 18, and the hydraulic cylinder 21 is installed in the second groove 20, and the output end of hydraulic cylinder 21 Fixedly connected on the connection plate 19, when the reducer body 1 works to generate vibration, the generated vibration force will be transmitted to the fixed plate 17 through the transmission seat 11, and the fixed plate 17 will press the hinged damping rod 16 downwards to absorb the shock. When the rod 16 is under force, it will squeeze the moving block 14, so that the moving block 14 moves in the first groove 13, and the two moving blocks 14 are connected by a connecting plate 19, and the side walls of the connecting plate 19 are connected by a hydraulic cylinder 21 , so that the hydraulic cylinder 21 provides a reverse thrust to the connecting plate 19, drives the moving block 14 to provide buffering for the shock absorbing rod 16, reduces the vibration transmitted through the transmission seat 11, and performs buffering and shock absorption on the transmission seat 11 and the reducer body 1 .

A guide rod 22 is fixed in the first groove 13 , and one end of the moving block 14 located in the first groove 13 is movably inserted on the guide rod 22 .

By adopting the above technical solution, the moving block 14 is limited in the horizontal direction so that it can move stably in the first groove 13 .

Both ends of the guide rod 22 are sleeved with buffer springs 23 .

By adopting the above-mentioned technical solution, a preliminary buffer is performed when the moving block 14 moves, so as to prevent the moving block 14 from directly abutting against the end of the first groove 13 .

Base plate 12 side wall puts groove 24, and puts spring damper 25 with the lower surface of transmission seat 11 in putting groove 24 jointly.

By adopting the above technical solution, the spring damper 25 can directly damp the two transmission seats 11 , improving the effect of damping the reducer body 1 .

The number of spring dampers 25 is four and distributed on the four corners of the bottom plate 12 .

By adopting the above-mentioned technical scheme, the spring dampers 25 provided at the four corners of the bottom plate 12 can directly damp the two transmission seats 11, improve the effect of damping the reducer body 1, and avoid the structure in the reducer body 1 from being severely damaged. Shock damage.

The two ends of the transmission seat 11 are fixedly provided with a vertical mounting plate 26, and the mounting plate 26 is fixedly provided with a slider 27 facing the side of the base plate 12. The side wall of the base plate 12 is provided with a second chute 28 near the slider 27, and the slider 27 Slidingly arranged in the second chute 28 .

By adopting the above technical solution, the transmission seat 11 can be arranged on the bottom plate 12 .

Working principle: In the utility model, when the reducer body 1 works to generate vibration, the generated vibration force will be transmitted to the fixed plate 17 through the transmission seat 11, and the fixed plate 17 will squeeze the hinged damping rod 16 downwards to absorb the shock. When the rod 16 is under force, it will squeeze the moving block 14, so that the moving block 14 moves in the first groove 13, and the two moving blocks 14 are connected by a connecting plate 19, and the side walls of the connecting plate 19 are connected by a hydraulic cylinder 21 , so that the hydraulic cylinder 21 provides a reverse thrust to the connecting plate 19, drives the moving block 14 to provide buffering for the shock absorbing rod 16, reduces the vibration transmitted through the transmission seat 11, and performs buffering and shock absorption on the transmission seat 11 and the reducer body 1 , by setting the hydraulic cylinder 21, the moving block 14 under force can be avoided to move back and forth repeatedly, and the spring damper 25 provided at the four corners of the bottom plate 12 can directly damp the two transmission seats 11, and improve the shock absorption of the reducer body 1 As a result, the structure in the reducer body 1 is prevented from being damaged due to severe vibration.

Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. In this way, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and equivalent technologies thereof, the utility model is also intended to include these modifications and variations.

Claims (6)

1. The utility model provides a harmonic bearing formula cycloid pinwheel speed reducer, includes speed reducer body (1), its characterized in that: the two ends of the speed reducer body (1) are provided with transmission seats (11), and a damping mechanism is arranged below the two transmission seats (11);

the damping mechanism comprises a bottom plate (12), the bottom plate (12) is located under two transmission seats (11), two first grooves (13) are formed in the upper surface of the bottom plate (12) close to the transmission seats (11), two symmetrically distributed moving blocks (14) are arranged in the first grooves (13) in a sliding mode, fixing plates (17) are arranged on the lower surfaces of the two transmission seats (11) in a fixed mode, hinged blocks (15) are arranged on the upper surfaces of the moving blocks (14) and the lower surfaces of the fixing plates (17) in a mounted mode, damping rods (16) are arranged between the hinged blocks (15) on the moving blocks (14) and the hinged blocks (15) on the lower surfaces of the fixing plates (17) in a hinged mode, first sliding grooves (18) are formed in the two adjacent sides of the first grooves (13) jointly, connecting plates (19) are arranged between the moving blocks (14) at the same end in the two first grooves (13) in a connected mode, second grooves (20) communicated with the first sliding grooves (18) are formed in the two ends of the middle of the upper surface of the bottom plate (12), hydraulic cylinders (21) are fixedly connected to the upper ends of the connecting plates (19).

2. The harmonic bearing type cycloidal pin gear reducer according to claim 1, wherein a guide rod (22) is fixedly arranged in the first groove (13), and one end of the moving block (14) positioned in the first groove (13) is movably inserted on the guide rod (22).

3. A harmonic bearing type cycloidal pin gear reducer as claimed in claim 2 in which the guide rod (22) is sleeved at both ends with a buffer spring (23).

4. The harmonic bearing type cycloidal pin gear reducer according to claim 1, wherein a spring damper (25) is installed in the placing groove (24) on the side wall of the bottom plate (12) and is installed on the lower surface of the transmission seat (11) together with the placing groove (24).

5. A harmonic bearing type cycloidal pin gear reducer as claimed in claim 4 in which the number of said spring dampers (25) is four and distributed at the four corners of the bottom plate (12).

6. The harmonic bearing type cycloidal pin gear speed reducer according to claim 1, wherein both ends of the transmission seat (11) are fixedly provided with vertically arranged mounting plates (26), one side of the mounting plate (26) facing the bottom plate (12) is fixedly provided with a sliding block (27), the side wall of the bottom plate (12) is provided with a second sliding groove (28) close to the sliding block (27), and the sliding block (27) is slidably arranged in the second sliding groove (28).

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