CN215172061U

CN215172061U - Speed reducer

Info

Publication number: CN215172061U
Application number: CN202120891985.7U
Authority: CN
Inventors: 张晓东; 张瑞芹
Original assignee: Ningbo Dongyu Hydraulic Co ltd
Current assignee: Ningbo Dongyu Hydraulic Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-12-14
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses a speed reducer, which comprises a first outer shell, wherein a connecting rod is fixedly arranged on the first outer shell, a fixed piece is fixedly arranged on the left side of the first outer shell, and a ring groove is arranged on the right side of the fixed piece; install the speed reducer on aerogenerator, the quality is high, make when hanging it to the top of the tower, not only inconvenient still be difficult to carry out fixed mounting to it, this device is through carrying out regional split to the speed reducer, set up the mounting panel on the connecting plate, install several groups of shell bodies of split and its inside driving medium on the mounting panel one by one, make its effect that exerts the speed reducer, in order to reduce the connection unstability that causes because of device aggregate erection, at first through connecting rod fixed connection between every group shell body, through the spout block with the mounting panel, later use the fixed pin fixed shell body and mounting panel, still utilize a set of inserted bar to fix both after the block is connected between a set of shell body and the connecting plate simultaneously.

Description

Speed reducer

Technical Field

The utility model relates to a speed reducer technical field specifically is a speed reducer.

Background

The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, and is widely applied to modern machinery.

The speed reducer uses very extensively in wind power generation, its volume and weight are very big, and the speed reducer focus is located outside mounting flange, it is very difficult when hoisting to the speed reducer to use the crane, simultaneously because wind power plant is in wind-force and lasts and stable area, make during the hoist and mount, the speed reducer still can receive the influence of wind-force, be difficult to hoist the speed reducer to preset position, and simultaneously, during the hoist and mount, need workman manual fixed, be difficult to stable speed reducer, receive the wind-force influence to cause the influence to workman life safety easily.

To this end, a reduction gear is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a speed reducer, install the reduction gear split, with more convenient installation to the reduction gear, use very extensively in wind power generation with the reduction gear that proposes in solving above-mentioned background art, its volume and weight are very big, and the reduction gear focus is located outside mounting flange, it is very difficult when hoisting to the reduction gear to use the crane, simultaneously because wind power plant is in wind-force and lasts and stable area, make during hoist and mount, the reduction gear still can receive the influence of wind-force, be difficult to hoist the reduction gear to preset position, and simultaneously, during hoist and mount, need the manual fixed of workman, be difficult to stable reduction gear, it causes the influence problem to workman's life safety easily to receive the wind-force influence.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a speed reducer, includes first shell body, fixed mounting has the connecting rod on the first shell body, the left side fixed mounting of first shell body has the stationary blade, the annular has been seted up on the right side of stationary blade, the rear end fixed mounting of first shell body has the second shell body, the rear end fixed mounting of second shell body has the third shell body, fixed mounting has the connecting plate in the rear end of third shell body, first jack has been seted up on the top of connecting plate, the circular slot has been seted up to the front end of connecting plate, the below fixed mounting of circular slot has the mounting panel, the spout has been seted up on the mounting panel, the locating hole has been seted up on the right side of spout, the bottom fixed mounting of mounting panel has the fixed pin.

By adopting the technical scheme, use the connecting rod with first shell body, second shell body and third shell body coupling, later install three group's shell bodies on the mounting panel through the spout, promote three group's shell bodies backward, make the tail end of third shell body insert the circular slot in, through-hole and the first jack butt joint on the third shell body, go into the inserted bar in the first jack, stably be connected third shell body and connecting plate, later press the stationary blade, make it laminate with the annular, use the bolt to fix the stationary blade in the annular, both can play the effect that increases two sets of shell body joint strength, also because the one end of stationary blade is installed on the mounting panel, make three group's shell bodies and mounting panel stably be connected, between insert the fixed pin in the locating hole of mounting panel bottom, accomplish the final fixation to three group's shell bodies.

Preferably, a second jack is arranged at the front end of the first shell, the second jack penetrates through the front end and the rear end of the first shell, the second shell and the third shell, a plurality of groups of second jacks are arranged in the second jack, the second jacks are uniformly distributed on the first shell, the second shell and the third shell, and a group of connecting rods are correspondingly inserted into each group of second jacks.

Through adopting above-mentioned technical scheme, use the connecting rod from inserting a set of second jack in, can accomplish the series connection to three group's shells, set up the multiunit connecting rod, can increase three stability of group's shell body coupling, stability effect when improving the device operation.

Preferably, the first jacks are provided with a plurality of groups, the first jacks of the groups do not run through the inner wall of the connecting plate, the third outer shell is inserted into the connecting plate through the circular groove, the tail end of the third outer shell is provided with a plurality of groups of through holes, each group of through holes runs through the inner wall of the third outer shell, each group of third outer shell corresponds to and is in butt joint with one group of first jacks, and a group of insertion rods is correspondingly inserted into each group of first jacks.

Through adopting above-mentioned technical scheme, first jack does not run through the inner wall of connecting plate, can avoid causing the influence to installing the shaft coupling inside the connecting plate, inserts the third shell body after the circular slot, and in rethread inserted bar inserted first jack and through-hole, can be connected the firm and connecting plate of third shell body.

Preferably, the bottom of first shell body is provided with the card strip, the card strip is provided with six groups altogether, and six groups card strip evenly distributed are in the bottom of first shell body, second shell body and third shell body, two sets of have been seted up altogether to the spout, correspond in every group spout and insert each a set of card strip on first shell body, second shell body and the third shell body.

Through adopting above-mentioned technical scheme, utilize two sets of card strips and two sets of spout block connections on every group shell body bottom, can be connected three group's shells one by one with the mounting panel, accomplish the fixed to three group's shells, increase the compactness that three group's shell body internal transmission spare is connected.

Preferably, the positioning holes are provided with six groups, wherein three groups of positioning holes are formed in the middle of the mounting plate, the other three groups of positioning holes are formed in the bottom ends of the first outer shell, the second outer shell and the third outer shell respectively, and each group of fixing pins are inserted into one group of positioning holes correspondingly and are inserted into one group of positioning holes on the first outer shell, the second outer shell and the third outer shell respectively.

Through adopting above-mentioned technical scheme, pass through the spout with three group's shells and be connected the back with the mounting panel, further increase the compactness of being connected between three group's shells and the mounting panel through the fixed pin to improve equipment overall operation stability.

Preferably, the annular is provided with two sets ofly altogether, and wherein a set of annular is seted up in the junction of first shell body and second shell body, and a set of annular is seted up in the junction of second shell body and third shell body in addition, corresponds two sets of stationary blades of laminating on every group annular, all fixes through the spiro union between every stationary blade of group and the annular.

Through adopting above-mentioned technical scheme, with the stationary blade with the annular spiro union after, not only can increase the compactness of being connected between two sets of shells, also can improve the joint strength between shell body and the mounting panel, the stability of operation after the improvement equipment fixing.

Preferably, the four groups of fixing pieces are all installed at the bottom end of the installation plate.

Through adopting above-mentioned technical scheme, use the stationary blade to be connected with the annular, can improve the connection compactness between every group shell body and the mounting panel.

Preferably, the diameters of the first outer shell, the second outer shell and the third outer shell are the same.

Through adopting above-mentioned technical scheme, accurate butt joint when guaranteeing every group shell body installation also makes device easy to assemble and transportation more.

Preferably, the mounting plate is mounted on the bottom side of the circular groove.

Through adopting above-mentioned technical scheme, install the third shell body on the mounting panel after, the third shell body slides, can be so that its afterbody accuracy and circular slot dock.

Preferably, two groups of fixing seats are arranged below the mounting plate, and the bottom end of the base is parallel to the two groups of fixing seats.

By adopting the technical scheme, the speed reducer is more convenient to mount, and the gravity center of the device is ensured to be stable.

Compared with the prior art, the beneficial effects of the utility model are that: install the speed reducer on aerogenerator, the quality is high, make when hanging it to the top of the tower, not only inconvenient still be difficult to carry out fixed mounting to it, this device is through carrying out regional split to the speed reducer, set up the mounting panel on the connecting plate, install several groups of shell bodies of split and its inside driving medium on the mounting panel one by one, make its effect that exerts the speed reducer, in order to reduce the connection unstability that causes because of device aggregate erection, at first through connecting rod fixed connection between every group shell body, through the spout block with the mounting panel, later use the fixed pin fixed shell body and mounting panel, still utilize a set of inserted bar to fix both after the block is connected between a set of shell body and the connecting plate simultaneously.

Drawings

Fig. 1 is a schematic view of the overall appearance structure of the present invention;

FIG. 2 is a schematic view of the outer casing structure of the present invention;

FIG. 3 is a schematic structural view of the connection plate and the mounting plate of the present invention;

fig. 4 is a side sectional view of the present invention.

In the figure: 1. an output end; 2. a connecting rod; 3. a first outer case; 4. a fixing sheet; 5. a ring groove; 6. a second outer housing; 7. a third outer housing; 8. a connecting plate; 9. a coupling; 10. a base; 11. a first jack; 12. a through hole; 13. a through groove; 14. a fixed seat; 15. clamping the strip; 16. a second jack; 17. a chute; 18. mounting a plate; 19. a circular groove; 20. inserting a rod; 21. positioning holes; 22. and fixing the pin.

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 to 4, the present invention provides a technical solution of a speed reducer: the utility model provides a speed reducer, as shown in fig. 1 to 4, including first shell body 3, fixed mounting has connecting rod 2 on the first shell body 3, the left side fixed mounting of first shell body 3 has stationary blade 4, annular 5 has been seted up on the right side of stationary blade 4, the rear end fixed mounting of first shell body 3 has second shell body 6, the rear end fixed mounting of second shell body 6 has third shell body 7, fixed mounting has connecting plate 8 in the rear end of third shell body 7, first jack 11 has been seted up on the top of connecting plate 8, circular slot 19 has been seted up to the front end of connecting plate 8, the below fixed mounting of circular slot 19 has mounting panel 18, spout 17 has been seted up on mounting panel 18, locating hole 21 has been seted up on the right side of spout 17, the bottom fixed mounting of mounting panel 18 has fixed pin 22.

By adopting the technical scheme, the first outer shell 3, the second outer shell 6 and the third outer shell 7 are connected by the connecting rod 2, then the three groups of outer shells are arranged on the mounting plate 18 through the sliding chute 17, the three groups of outer shells are pushed backwards, the tail end of the third outer shell 7 is inserted into the circular groove 19, the through hole 12 on the third outer shell 7 is butted with the first jack 11, the inserted bar 20 is inserted into the first jack 11, the third outer shell 7 is stably connected with the connecting plate 8, then the fixing piece 4 is pressed to be attached to the annular groove 5, the fixing piece 4 is fixed in the annular groove 5 by using bolts, the effect of increasing the connecting strength of the two groups of outer shells can be achieved, and one end of the fixing piece is arranged on the mounting plate 18, so that the three sets of outer shells are stably connected with the mounting plate 18, and the fixing pins 22 are inserted into the positioning holes 21 at the bottom of the mounting plate 18 to finally fix the three sets of outer shells.

Specifically, as shown in fig. 1 and 2, a second jack 16 is provided at the front end of the first outer shell 3, the second jack 16 penetrates through the front end and the rear end of the first outer shell 3, the second outer shell 6 and the third outer shell 7, the second jack 16 is provided with a plurality of groups, the plurality of groups of second jacks 16 are uniformly distributed on the first outer shell 3, the second outer shell 6 and the third outer shell 7, and a group of connecting rods 2 is correspondingly inserted into each group of second jacks 16.

Through adopting above-mentioned technical scheme, use connecting rod 2 from inserting a set of second jack 16 in, can accomplish the series connection to three group's shells, set up multiunit connecting rod 2, can increase three stability of group's shell body coupling, the stable effect when improving the device operation.

Specifically, as shown in fig. 1, the first jacks 11 are provided with a plurality of groups, the first jacks 11 of the plurality of groups do not penetrate through the inner wall of the connecting plate 8, the third outer shell 7 is inserted into the connecting plate 8 through the circular groove 19, the tail end of the third outer shell 7 is provided with a plurality of groups of through holes 12, each group of through holes 12 penetrates through the inner wall of the third outer shell 7, each group of third outer shell 7 is correspondingly butted with one group of first jacks 11, and a group of insertion rods 20 is correspondingly inserted into each group of first jacks 11.

Through adopting above-mentioned technical scheme, first jack 11 does not run through the inner wall of connecting plate 8, can avoid causing the influence to installing at the inside shaft coupling 9 of connecting plate 8, inserts third shell body 7 after circular slot 19, and rethread inserted bar 20 inserts in first jack 11 and through-hole 12, can be connected with connecting plate 8 that third shell body 7 is firm.

Specifically, as shown in fig. 2 and 3, the bottom end of the first outer shell 3 is provided with the clamping strips 15, the clamping strips 15 are provided with six groups, the six groups of clamping strips 15 are uniformly distributed at the bottom ends of the first outer shell 3, the second outer shell 6 and the third outer shell 7, the sliding grooves 17 are provided with two groups, and each group of clamping strips 15 inserted into the first outer shell 3, the second outer shell 6 and the third outer shell 7 is correspondingly arranged in each group of sliding grooves 17.

Through adopting above-mentioned technical scheme, utilize two sets of card strips 15 and two sets of spout 17 block on every group shell body bottom to be connected, can be connected three group's shells one by one with mounting panel 18, accomplish the fixed to three group's shells, increase the compactness that three group's shell body internal transmission spare is connected.

Specifically, as shown in fig. 3 and 4, six sets of positioning holes 21 are provided, wherein three sets of positioning holes 21 are provided at the middle position of the mounting plate 18, the other three sets of positioning holes 21 are provided at the bottom ends of the first outer housing 3, the second outer housing 6 and the third outer housing 7, and each set of fixing pins 22 is inserted into one set of positioning holes 21 and is inserted into one set of positioning holes 21 on the first outer housing 3, the second outer housing 6 and the third outer housing 7.

Through adopting above-mentioned technical scheme, pass through spout 17 with three group's shells and be connected the back with the mounting panel, further increase the compactness of being connected between three group's shells and the mounting panel 18 through fixed pin 22 to improve the whole operating stability of equipment.

Specifically, as shown in fig. 1 and 3, two sets of ring grooves 5 are provided, wherein one set of ring grooves 5 is provided at the joint between the first outer shell 3 and the second outer shell 6, the other set of ring grooves 5 is provided at the joint between the second outer shell 6 and the third outer shell 7, two sets of fixing pieces 4 are correspondingly attached to each set of ring grooves 5, and each set of fixing pieces 4 is fixed to each ring groove 5 through a bolt.

Through adopting above-mentioned technical scheme, after 5 spiro union with stationary blade 4 and annular, not only can increase the compactness of being connected between two sets of shells, also can improve the joint strength between shell body and the mounting panel 18, the stability of operation after the improvement equipment fixing.

Specifically, as shown in fig. 3, four sets of fixing pieces 4 are mounted on the bottom end of the mounting plate 18.

Through adopting above-mentioned technical scheme, use stationary blade 4 to be connected with annular 5, can improve the connection compactness between every group shell body and mounting panel 18.

Specifically, as shown in fig. 1, the first outer case 3, the second outer case 6, and the third outer case 7 are all the same in diameter.

Specifically, as shown in fig. 3, the mounting plate 18 is mounted on the bottom side of the circular groove 19.

By adopting the above technical scheme, after the third outer shell 7 is installed on the installation plate 18, the third outer shell 7 is slid, so that the tail part of the third outer shell can be accurately butted with the circular groove 19.

Specifically, as shown in fig. 2 and 4, two sets of fixing seats 14 are disposed below the mounting plate 18, and the bottom end of the base 10 and the two sets of fixing seats 14 are parallel.

The working principle is as follows: the first outer case 3, the second outer case 6 and the third outer case 7 are connected by using the link 2, and then the three sets of outer cases are mounted on the mounting plate 18 through the slide groove 17, the three sets of outer cases are pushed rearward, the tail end of the third outer shell 7 is inserted into the circular groove 19, the through hole 12 on the third outer shell 7 is butted with the first jack 11, the inserted bar 20 is inserted into the first jack 11, the third outer shell 7 is stably connected with the connecting plate 8, then the fixing piece 4 is pressed to be attached to the annular groove 5, the fixing piece 4 is fixed in the annular groove 5 by using bolts, the effect of increasing the connecting strength of the two groups of outer shells can be achieved, and one end of the fixing piece is arranged on the mounting plate 18, so that the three sets of outer shells are stably connected with the mounting plate 18, and the fixing pins 22 are inserted into the positioning holes 21 at the bottom of the mounting plate 18 to finally fix the three sets of outer shells.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A speed reducer comprises a first outer shell (3), and is characterized in that: the first outer shell (3) is fixedly provided with a connecting rod (2), the left side of the first outer shell (3) is fixedly provided with a fixing plate (4), a ring groove (5) is arranged on the right side of the fixing piece (4), a second outer shell (6) is fixedly arranged at the rear end of the first outer shell (3), a third outer shell (7) is fixedly arranged at the rear end of the second outer shell (6), a connecting plate (8) is fixedly arranged in the rear end of the third outer shell (7), the top end of the connecting plate (8) is provided with a first jack (11), the front end of the connecting plate (8) is provided with a circular groove (19), an installation plate (18) is fixedly arranged below the circular groove (19), a sliding groove (17) is arranged on the installation plate (18), locating hole (21) have been seted up on the right side of spout (17), the bottom fixed mounting of mounting panel (18) has fixed pin (22).

2. A reducer according to claim 1, wherein: second jack (16) have been seted up to the front end of first shell body (3), second jack (16) run through in the front and back both ends of first shell body (3), second shell body (6) and third shell body (7), second jack (16) are provided with a plurality of groups altogether, and a plurality of groups second jack (16) evenly distributed is on first shell body (3), second shell body (6) and third shell body (7), and a set of connecting rod (2) are inserted to the correspondence in every group second jack (16).

3. A reducer according to claim 1, wherein: first jack (11) are provided with a plurality of groups altogether, and a plurality of groups of first jack (11) all do not run through the inner wall of connecting plate (8), third shell body (7) insert in connecting plate (8) through circular slot (19), the tail end of third shell body (7) is provided with a plurality of groups through-hole (12), and every group through-hole (12) run through the inner wall of third shell body (7), and every group third shell body (7) correspond with a set of first jack (11) butt joint, correspond in every group first jack (11) and insert a set of inserted bar (20).

4. A reducer according to claim 1, wherein: the bottom of first shell body (3) is provided with card strip (15), card strip (15) are provided with six groups altogether, and six groups card strip (15) evenly distributed are in the bottom of first shell body (3), second shell body (6) and third shell body (7), spout (17) have been seted up two sets ofly altogether, correspond in every group spout (17) and insert each a set of card strip (15) on first shell body (3), second shell body (6) and third shell body (7).

5. A reducer according to claim 1, wherein: the locating hole (21) are provided with six groups altogether, wherein the intermediate position department at mounting panel (18) is seted up in three groups of locating holes (21), and the bottom in first shell body (3), second shell body (6) and third shell body (7) is seted up respectively in three groups of locating holes (21) in addition, and every group fixed pin (22) is corresponding to insert wherein in a set of locating hole (21), and correspond respectively and insert in a set of locating hole (21) on first shell body (3), second shell body (6) and third shell body (7).

6. A reducer according to claim 1, wherein: annular (5) are provided with two sets ofly altogether, and wherein a set of annular (5) are seted up in the junction of first shell body (3) and second shell body (6), and the junction in second shell body (6) and third shell body (7) is seted up in a set of annular (5) in addition, corresponds two sets of stationary blades of laminating (4) on every group annular (5), all fixes through the spiro union between every stationary blade of group (4) and annular (5).

7. A reducer according to claim 1, wherein: four groups of fixed sheets (4) are all installed at the bottom end of the installation plate (18).

8. A reducer according to claim 1, wherein: the diameters of the first outer shell (3), the second outer shell (6) and the third outer shell (7) are the same.

9. A reducer according to claim 1, wherein: one end of the mounting plate (18) is butted with the bottom side of the circular groove (19).

10. A reducer according to claim 1, wherein: two groups of fixing seats (14) are arranged below the mounting plate (18), and the bottom end of the base (10) is parallel to the two groups of fixing seats (14).