CN217539530U

CN217539530U - Rotary joint speed reducer with buffer structure

Info

Publication number: CN217539530U
Application number: CN202220921291.8U
Authority: CN
Inventors: 张帆; 黄胜栋; 戴媛; 朱明生; 莫帅
Original assignee: Jiangsu Wanji Transmission Technology Co ltd
Current assignee: Jiangsu Wanji Transmission Technology Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-10-04
Anticipated expiration: 2032-04-21

Abstract

The utility model discloses a gyration joint reduction gear with buffer structure, include: the rear end of the right side of the shell is provided with a driving motor, the front end of the driving motor is connected with a worm positioned in the shell, and the left side of the worm is provided with a worm wheel; the mounting rack is mounted inside the worm wheel, the inner side of the mounting rack, which is close to the inner wall end of the worm wheel, is embedded with balls, and the outer side end of the mounting rack is provided with a support frame; the first connecting lug is fixedly arranged on the outer end face of the left side of the shell, the outer end face of the right side of the shell is fixedly provided with the second connecting lug, and a fixing bolt is arranged in the second connecting lug; the connection plate is fixedly arranged at the inner wall end of the shell in a fitting mode, and a prefabricated groove is formed in the connection plate. This gyration joint reduction gear with buffer structure wholly possesses better buffer structure to have certain guard action, prolonged holistic life, be convenient for simultaneously install whole.

Description

Rotary joint speed reducer with buffer structure

Technical Field

The utility model relates to a rotary joint reduction gear technical field specifically is a rotary joint reduction gear with buffer structure.

Background

The rotary joint reducer is a novel transmission device, and has a series of advantages of large rigidity, large transmission ratio range, large bearing capacity, high motion precision, high transmission efficiency, small return difference, small size and the like, but most rotary joint reducers in the current market still have some defects, such as large transmission ratio range, large bearing capacity, high motion precision, small return difference, small size and the like;

for example, the slewing reducer with the limiting function, which is granted to chinese patent with publication number CN207701683U, comprises a housing ring, an outer ring arranged in the housing ring, an inner ring arranged at the inner side of the outer ring, a worm arranged at one side of the outer ring, and a top ring fixed at the outer side of the outer ring, wherein the circumference of the outer ring is provided with a circumferential continuous part which is matched with a half-circumference gear tooth part, so that the positions of two opposite rotating ends are limited, the rotation angle of the slewing reducer is controlled, and the control of the angle adjusting range of the solar device is facilitated.

However, the above prior art solutions have the following drawbacks: the rotary joint speed reducer is not provided with a good buffer structure, so that the whole impact force applied in the using process is large, the service life of the whole speed reducer is shortened, and certain using defects exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gyration joint reduction gear with buffer structure to the current that proposes in solving above-mentioned background art does not possess better buffer structure, leads to wholly the impact force that receives in the use great, thereby has shortened holistic life, and then has certain service defect's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a swing joint speed reducer having a damping structure, comprising:

the rear end of the right side of the shell is provided with a driving motor, the front end of the driving motor is connected with a worm positioned in the shell, and the left side of the worm is provided with a worm wheel;

the mounting rack is mounted inside the worm wheel, a ball is embedded in the mounting rack close to the inner wall end of the worm wheel, and a support frame is arranged at the outer side end of the mounting rack;

the first connecting lug is fixedly arranged on the outer end face of the left side of the shell, the outer end face of the right side of the shell is fixedly provided with the second connecting lug, and a fixing bolt is arranged in the second connecting lug;

the connection plate is fixedly mounted at the inner wall end of the shell, a prefabricated groove is formed in the connection plate, and a buffer assembly is mounted at the inner side end of the connection plate through the prefabricated groove.

Preferably, the first connecting lugs are symmetrically arranged around the vertical central axis of the shell, and the first connecting lugs and the second connecting lugs are respectively arranged in one-to-one correspondence with the fixing bolts.

Preferably, the longitudinal section of the support frame is C-shaped, and the support frame is positioned in the middle of the inner side of the worm wheel.

Preferably, the buffer assembly comprises a buffer spring, a connecting plate, a supporting rod and a connecting piece;

a buffer spring installed inside the joint plate through a prefabricated groove;

the connecting plate is fixedly arranged at the inner side end of the buffer spring;

the supporting rod is fixedly arranged at the end, close to the inner wall of the worm gear, of the connecting plate;

and the connecting piece is arranged at the inner side end of the worm wheel through a supporting rod.

Preferably, the connecting plate and the connecting plate form a telescopic structure through a buffer spring, and the cross section of the connecting plate is circular.

Preferably, the support rods and the connecting pieces are combined to form a T-shaped structure with a longitudinal section, and the support rods are circumferentially distributed at equal angles at the inner side ends of the connecting plates.

Compared with the prior art, the beneficial effects of the utility model are that: the rotary joint speed reducer with the buffer structure integrally has a better buffer structure, so that the rotary joint speed reducer has a certain protection effect, prolongs the service life of the whole and is convenient to install the whole;

1. the first connecting lugs are symmetrically arranged in front and back directions about a vertical central axis of the shell, and the first connecting lugs and the second connecting lugs are respectively arranged in one-to-one correspondence with the fixing bolts, so that the shell can be conveniently installed through the first connecting lugs and the second connecting lugs, and meanwhile, the firmness of the installation of the shell is improved;

2. the buffer springs are arranged inside the connecting plates under the action of the prefabricated grooves, and the connecting plates have good installation and support structures for the support rods and the connecting pieces, so that the support rods and the connecting pieces have a buffer effect on the worm gears under the action of the buffer springs and the connecting plates;

3. constitute extending structure through the connecting plate under buffer spring's effect with the linkage plate, buffer spring passes through connecting plate, bracing piece and links up the union piece and has better cushioning effect to the worm wheel, and the upper and lower both ends outside of worm wheel all is provided with buffering subassembly simultaneously to holistic buffering effect has further been strengthened, holistic life has been prolonged.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the connection structure of the connecting member and the supporting rod according to the present invention.

In the figure: 1. a housing; 2. a drive motor; 3. a worm; 4. a worm gear; 5. a mounting frame; 6. a ball bearing; 7. a support frame; 8. a first connecting lug; 9. a second engaging lug; 10. fixing the bolt; 11. a connector tile; 12. prefabricating a groove; 13. a buffer assembly; 1301. a buffer spring; 1302. a connecting plate; 1303. a support bar; 1304. a connecting piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a gyration joint reduction gear with buffer structure, install driving motor 2 including the right side rear end of shell 1, and driving motor 2's front end is connected with the worm 3 that is located shell 1 inside, and worm wheel 4 is installed in the left side of worm 3, mounting bracket 5 is installed in the inside of worm wheel 4, and the inboard of mounting bracket 5 near worm wheel 4 inner wall end is inlayed and is provided with ball 6, and the outside end of mounting bracket 5 is provided with support frame 7, first engaging lug 8 fixed mounting is in the outer terminal surface in the left side of shell 1, and the outer terminal surface fixed mounting in the right side of shell 1 has second engaging lug 9, and the internally mounted of second engaging lug 9 has fixing bolt 10, the laminating of joint board 11 simultaneously is fixed mounting in the inner wall end of shell 1, and prefabricated groove 12 has been seted up to the inside of joint board 11, and buffering subassembly 13 is installed through prefabricated groove 12 to the medial extremity of joint board 11, constitute the gyration joint reduction gear with buffer structure in combination.

When the rotary joint speed reducer with the buffer structure is used, as shown in fig. 1 and fig. 2, the first connecting lugs 8 are symmetrically arranged in front and back of the vertical central axis of the shell 1, the first connecting lugs 8 and the second connecting lugs 9 are respectively arranged in one-to-one correspondence with the fixing bolts 10, and the fixing bolts 10 respectively play a role in mounting the shell 1 through the first connecting lugs 8 and the second connecting lugs 9, so that the whole body is stably placed on a specified plane through the first connecting lugs 8 and the second connecting lugs 9, and then the fixing bolts 10 are used for fixing, when the rotary joint speed reducer is used, the driving motor 2 is opened, the driving motor 2 drives the worm 3 to be rotatably connected in the shell 1, and at the moment, the worm 3 is meshed with the worm wheel 4, so that the worm wheel 4 is driven to be rotatably connected in the shell 1;

because the longitudinal section of support frame 7 is "C" style of calligraphy, and support frame 7 is located worm wheel 4's inboard middle part, during the installation, support frame 7's inner wall end and the outer wall end interconnect of installed part, ball 6 has better installation effect to mounting bracket 5 simultaneously to be convenient for ball 6 has the effect that reduces friction to worm wheel 4.

As shown in fig. 3 and fig. 4 in particular, since the buffer spring 1301 is mounted inside the joint plate 11 through the prefabricated groove 12, the connecting plate 1302 is fixedly mounted at the inner end of the buffer spring 1301, the supporting rod 1303 is fixedly mounted at the end of the connecting plate 1302 close to the inner wall of the worm wheel 4, the joint 1304 is mounted at the inner end of the worm wheel 4 through the supporting rod 1303, the connecting plate 1302 is mounted inside the housing 1 under the action of the buffer spring 1301, and the connecting plate 1302 has a better mounting effect on the supporting rod 1303 and the joint 1304;

because the support rods 1303 are circumferentially distributed at the inner side ends of the connecting plates 1302 at equal angles, the connecting plates 1302 and the connecting plates 11 form a telescopic structure through the buffer springs 1301, and meanwhile, the cross sections of the connecting plates 1302 are circular, when the worm wheel 4 is subjected to external force in the using process, the buffer springs 1301 deform to support the connecting plates 1302, the connecting plates 1302 move inside the connecting plates 11, so that the support rods 1303 and the connecting pieces 1304 support the worm wheel 4, and meanwhile, 2 groups of buffer assemblies 13 are combined inside the connecting plates 11 to form a buffer structure for the worm wheel 4, so that a certain protection effect is achieved, the service life of the whole is prolonged, the rotary joint reducer with the buffer structure is convenient to use better.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a gyration joint reduction gear with buffer structure which characterized in that: the method comprises the following steps:

the mounting rack is mounted inside the worm wheel, the inner side of the mounting rack, which is close to the inner wall end of the worm wheel, is embedded with balls, and the outer side end of the mounting rack is provided with a support frame;

the connection plate is fixedly mounted at the inner wall end of the shell in a fitting mode, a prefabricated groove is formed in the connection plate, and a buffer assembly is mounted at the inner side end of the connection plate through the prefabricated groove.

2. A revolute joint reducer having a damping structure according to claim 1, wherein: first engaging lug is symmetrical around the vertical axis of shell and is set up, and first engaging lug and second engaging lug are the one-to-one setting with fixing bolt respectively.

3. A slewing gear reducer having a damping structure according to claim 1, wherein: the longitudinal section of the support frame is C-shaped, and the support frame is positioned in the middle of the inner side of the worm wheel.

4. A revolute joint reducer having a damping structure according to claim 1, wherein: the buffer assembly comprises a buffer spring, a connecting plate, a supporting rod and a connecting piece;

5. A slewing gear reducer having a damping structure according to claim 4, wherein: the connecting plate passes through buffer spring and links up the fishplate bar and constitutes extending structure, and the cross section of connecting plate is circular.

6. A slewing gear reducer having a damping structure according to claim 4, wherein: the support rods and the connecting pieces are combined to form a T-shaped structure with a longitudinal section, and the support rods are distributed on the inner side end of the connecting plate in an equiangular circumferential manner.