CN215861634U - Double-shaft output speed reducing device - Google Patents

Abstract

The application relates to the field of speed reducers, in particular to a double-shaft output speed reducer, wherein a shell can be conveniently opened for internal maintenance, so that the use reliability of the double-shaft output speed reducer is improved; comprises a shell, an oil inlet pipe and a gland; the casing includes epitheca and inferior valve, epitheca top and inferior valve bottom all are provided with the cavity, two sets of cavities communicate with each other, advance the sealed intercommunication of oil pipe on the epitheca top, gland fixed connection is on the epitheca top and the cover is outside advancing oil pipe, the hub connection has the worm wheel inside the epitheca, the meshing of worm wheel department has the worm, worm both ends and worm wheel center all are connected with the pivot, three pivot other ends of group all pass epitheca or inferior valve inside wall and all stretch out to the epitheca or the inferior valve outside, the equal fixed cover in epitheca bottom and the inferior valve top outside is equipped with solid fixed ring, inferior valve outside slidable cover is equipped with the slip ring, still include automatic mechanism and multiunit bolt, the multiunit bolt is all installed on the slip ring, the multiunit bolt top all passes two sets of solid fixed ring and all stretches out to two sets of solid fixed ring tops, the equal spiral shell is equipped with the nut on the multiunit bolt.

Description

Double-shaft output speed reducing device

Technical Field

The application relates to the field of speed reducers, in particular to a double-shaft output speed reducer.

Background

The speed reducer is an independent part consisting of gear transmission, worm transmission and gear and 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 prior chinese patent with application number "CN 202020930842.8" discloses a "dual-shaft reducer," which is described generally as: the oil inlet pipe is hermetically communicated with the top end of the shell, the gland is fixedly connected to the top end of the shell and sleeved outside the oil inlet pipe, a worm wheel is connected to the inner shaft of the shell, a worm is meshed with the worm wheel, two ends of the worm and the center of the worm wheel are connected with rotating shafts, and the other ends of the three rotating shafts penetrate through the inner side wall of the shell and extend out of the shell;

when the worm-gear speed reducer is used, the worm is matched with the worm wheel so as to play a speed reducing effect, lubricating oil is conveniently dripped into the worm and the worm wheel through the oil inlet pipe, the friction between the worm and the worm wheel can be reduced, and the service lives of the worm and the worm wheel can be prolonged;

it is found when using that the housing cannot be conveniently opened for internal maintenance, resulting in poor reliability of its use.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a double-shaft output speed reducer, wherein a shell of the double-shaft output speed reducer can be conveniently opened for internal maintenance, so that the use reliability of the double-shaft output speed reducer is improved.

In order to achieve the purpose, the utility model provides the following technical scheme: a double-shaft output speed reducing device comprises a shell, an oil inlet pipe and a gland; the casing includes epitheca and inferior valve, epitheca top and inferior valve bottom all are provided with the cavity, two sets of cavities communicate with each other, advance the sealed intercommunication of oil pipe on the epitheca top, gland fixed connection is on the epitheca top and the cover is outside advancing oil pipe, the hub connection has the worm wheel inside the epitheca, the meshing of worm wheel department has the worm, worm both ends and worm wheel center all are connected with the pivot, three sets of pivot other ends all pass epitheca or inferior valve inside wall and all stretch out to the epitheca or the inferior valve outside, the equal fixed cover in epitheca bottom and the inferior valve top outside is equipped with solid fixed ring, and inferior valve outside slidable cover is equipped with the slip ring, still include automatic mechanism and multiunit bolt, the multiunit bolt is all installed on the slip ring, and the multiunit bolt top all passes two sets of solid fixed ring and all stretches out to two sets of solid fixed ring tops, the equal spiral shell is equipped with the nut on the multiunit bolt, the multiunit nut all pastes the solid fixed ring that tightly lies in the top.

Preferably, the automatic mechanism includes first rack, gear, second rack, connecting rod, connecting block, slider and fixed block, and first rack and slip ring link to each other, but gear rotational axis connection is on the inferior valve, but first rack and second rack all with gear engagement, connecting rod and slider all are connected with the second rack, the connecting block is installed on the solid fixed ring that is located the top, connecting rod and connecting block contact, but slider slidable mounting is on the fixed block, on the inferior valve of fixed block installation.

Preferably, the automatic mechanism further comprises a support block group and a support spring group, the support block group is mounted on the lower shell, the sliding ring is connected with the support block group through the support spring group, and the support spring group is in an extending state.

Preferably, the automatic mechanism further comprises a limiting block group, the limiting block group is installed on the lower shell, and the top end of the limiting block group is higher than the top end of the fixing block.

Preferably, the fixed ring below is connected with a plurality of groups of guide posts, the fixed ring above is communicated with a plurality of groups of guide holes, and the guide holes are respectively positioned right above the guide posts.

Preferably, both sides all are connected with the installation piece around the inferior valve bottom, all communicate on two sets of installation pieces to be provided with the installation punch combination.

Preferably, the automatic mechanisms are arranged into two groups, and the two groups of automatic mechanisms are respectively positioned at the front side and the rear side of the lower shell.

Preferably, the top end of the upper shell is screwed with a hanging ring group.

Compared with the prior art, the utility model has the following characteristics and beneficial effects: the utility model provides a cut apart into epitheca and inferior valve with the casing, made epitheca and inferior valve relatively fixed by multiunit bolt and multiunit nut screw assembly, and the multiunit nut all fixes and makes the difficult running of multiunit nut lose on solid fixed ring, and its casing can conveniently be opened and inside maintenance is carried out to improve its service reliability.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in related arts, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention (gears not shown);

fig. 3 is a partially enlarged view of a portion a of fig. 1.

Reference numerals: 1. an oil inlet pipe; 2. a gland; 3. an upper shell; 4. a lower case; 5. a rotating shaft; 6. a fixing ring; 7. a slip ring; 8. a bolt; 9. a nut; 10. a first rack; 11. a gear; 12. a second rack; 13. a connecting rod; 14. connecting blocks; 15. a slider; 16. a fixed block; 17. a support block group; 18. a support spring set; 19. a limiting block group; 20. a guide post; 21. mounting a sheet; 22. and (4) a lifting ring group.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other examples, which can be obtained by a person skilled in the art without making any inventive step based on the examples in this application, are within the scope of protection of this application.

It should be understood by those skilled in the art that the installation manner, connection manner, or setting manner of all the above components are welding, riveting, or other common mechanical manners, wherein slidable/rotatable fixation means that the components do not fall off in the sliding/rotatable state, sealed communication means that two connecting members are communicated and simultaneously sealed, and the specific structure, model, and coefficient indexes of all the components are self-contained techniques, as long as the beneficial effects can be achieved, all the above electrical modules and electrical appliances are common electrical appliances in the market, and can be used by being electrically connected with each other only according to the purchased instructions when bought back for use, and the control module is a common self-contained module, so that the description is omitted here, and in the case of not making an opposite description, the directional words included in the terms such as "up, down, left, right, front, back, inside, outside, vertical and horizontal" and the like only represent the direction of the term in the normal use state, or are commonly understood by those skilled in the art, and should not be taken as limiting the term, and at the same time, the terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used merely to distinguish one from another, and the terms "comprise," "include," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1 to 3, in the embodiment of the present application, there is provided a biaxial output reduction gear including a housing, an oil inlet pipe 1, and a gland 2; the shell comprises an upper shell 3 and a lower shell 4, wherein cavities are respectively arranged at the top end of the upper shell 3 and the bottom end of the lower shell 4, the two groups of cavities are communicated, an oil inlet pipe 1 is hermetically communicated at the top end of the upper shell 3, a gland 2 is fixedly connected at the top end of the upper shell 3 and is sleeved outside the oil inlet pipe 1, a worm wheel is connected inside the upper shell 3 in a shaft mode, a worm is meshed at the worm wheel position, rotating shafts 5 are respectively connected at the two ends of the worm and the center of the worm wheel, the other ends of the three groups of rotating shafts 5 respectively penetrate through the inner side wall of the upper shell 3 or the inner side wall of the lower shell 4 and respectively extend out of the upper shell 3 or the outer side wall of the lower shell 4, fixing rings 6 are respectively fixedly sleeved at the bottom end of the upper shell 3 and the outer side of the top end of the lower shell 4, a sliding ring 7 is slidably sleeved outside the lower shell 4, the shell also comprises an automatic mechanism and a plurality of bolts 8, the plurality of groups of bolts 8 are respectively arranged on the sliding ring 7, the two groups of fixing rings 6, the bolts 8 are respectively arranged with nuts 9, a plurality of groups of nuts 9 are tightly attached to the fixing ring 6 positioned above; it has cut apart into epitheca 3 and inferior valve 4 with the casing, makes epitheca 3 and inferior valve 4 relatively fixed by the screw assembly of multiunit bolt 8 and multiunit nut 9, and multiunit nut 9 all fixes and makes the difficult running of multiunit nut 9 lose on solid fixed ring 6, and its casing can conveniently be opened and carry out inside maintenance to improve its service reliability.

Preferably, the automatic mechanism comprises a first rack 10, a gear 11, a second rack 12, a connecting rod 13, a connecting block 14, a slider 15 and a fixed block 16, the first rack 10 is connected with the sliding ring 7, the gear 11 is rotatably connected to the lower shell 4, the first rack 10 and the second rack 12 are both meshed with the gear 11, the connecting rod 13 and the slider 15 are both connected with the second rack 12, the connecting block 14 is mounted on the fixing ring 6 positioned above, the connecting rod 13 is in contact with the connecting block 14, the slider 15 is slidably fixed on the fixed block 16, and the fixed block 16 is mounted on the lower shell 4; when the sliding ring 7 slides downwards, the first rack 10 is driven to slide downwards, the second rack 12 meshed with the gear 11 is driven to slide upwards by the downward sliding of the first rack 10, and the sliding block 15 can be fixed on the fixed block 16 in a sliding manner, so that the second rack 12 can only move longitudinally and is not easy to misplace.

Preferably, the automatic mechanism further comprises a support block group 17 and a support spring group 18, the support block group 17 is mounted on the lower shell 4, the sliding ring 7 is connected with the support block group 17 through the support spring group 18, and the support spring group 18 is in an extended state; when the upper shell 3 and the lower shell 4 are relatively fixed by the screw assembly of the plurality of groups of bolts 8 and the plurality of groups of nuts 9, the supporting spring set 18 is in a stretching state, and the supporting spring set 18 pulls the fixing ring 6 to slide downwards when the plurality of groups of nuts 9 are all disassembled.

Preferably, the automatic mechanism further comprises a limiting block set 19, the limiting block set 19 is installed on the lower shell 4, and the top end of the limiting block set 19 is higher than the top end of the fixing block 16; the limiting block set 19 is convenient for limiting the lowest position of the fixing ring 6.

Preferably, a plurality of groups of guide posts 20 are connected to the fixing ring 6 positioned below, and a plurality of groups of guide holes are communicated with the fixing ring 6 positioned above, and are respectively positioned right above the plurality of groups of guide posts 20; the upper and lower shells 3 and 4 can be further conveniently aligned when being closed by sliding the sets of guide posts 20 into the sets of guide holes.

Preferably, the front side and the rear side of the bottom end of the lower shell 4 are both connected with mounting pieces 21, and the two groups of mounting pieces 21 are both communicated with a mounting hole group; the mounting hole group facilitates the whole body to be fixedly mounted.

Preferably, the automatic mechanisms are arranged into two groups, and the two groups of automatic mechanisms are respectively positioned at the front side and the rear side of the lower shell 4; two sets of automatic mechanism make things convenient for it to use more firm.

Preferably, the top end of the upper shell 3 is provided with a hanging ring group 22 in a threaded manner; the lifting ring group 22 is convenient to lift and further lift the upper shell 3 through external force.

In conclusion, when the whole body is used, the upper shell 3 and the lower shell 4 are normally covered, the supporting spring group 18 is in an extending state, the two groups of fixing rings 6 and the sliding ring 7 are attached tightly, when the upper shell 3 needs to be opened, all the nuts 9 are screwed off, the supporting spring group 18 restores to a normal state and pulls the fixing rings 6 to slide downwards until the fixing rings slide to the position contacting with the limiting block group 19 and stop limiting, the fixing rings 6 slide downwards to further enable the first racks 10 connected with the fixing rings to drive the gears 11 to rotate, the second racks 12 meshed with the gears 11 are further driven to move upwards to drive the connecting rods 13 to jack the connecting blocks 14 upwards, the upper shell 3 is conveniently lifted and detached by the outside through the hanging ring group 22, and therefore internal maintenance is convenient, and the sliding block 15 can be fixed on the fixing block 16 in a sliding mode, so that the second racks 12 can only move longitudinally and are not easy to misplace;

when the internal maintenance is finished and the upper shell 3 needs to be covered, the upper shell 3 is placed and is downwards extruded by an external heavy object, at the moment, the connecting block 14 downwards pushes the connecting rod 13 to enable the connecting rod to downwards move, the second rack 12 connected with the connecting rod is driven to downwards move, the gear 11 meshed with the second rack 12 rotates, the first rack 10 meshed with the connecting rod is further driven to upwards move, at the moment, the two groups of fixing rings 6 and the sliding ring 7 are tightly attached to each other again in three directions, and the nut 9 is convenient to screw and fix;

can further make things convenient for epitheca 3 and inferior valve 4 to aim at when the lid closes through multiunit guide post 20 inside sliding into multiunit guiding hole, and the installation punch combination makes things convenient for its whole fixed mounting that carries on, and two sets of automatic mechanism make things convenient for its use more firm.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (8)

1. A double-shaft output speed reduction device comprises a shell, an oil inlet pipe (1) and a gland (2); it is characterized in that the shell comprises an upper shell (3) and a lower shell (4), cavities are arranged at the top end of the upper shell (3) and the bottom end of the lower shell (4), two groups of cavities are communicated, an oil inlet pipe (1) is hermetically communicated with the top end of the upper shell (3), a gland (2) is fixedly connected at the top end of the upper shell (3) and sleeved outside the oil inlet pipe (1), a worm wheel is connected with the inner side wall of the upper shell (3) in a shaft manner, a worm is meshed at the worm wheel position, two ends of the worm and the center of the worm wheel are connected with rotating shafts (5), the other ends of the three groups of rotating shafts (5) penetrate through the inner side wall of the upper shell (3) or the lower shell (4) and extend out of the upper shell (3) or the lower shell (4), fixing rings (6) are fixedly sleeved at the bottom end of the upper shell (3) and the outer side of the top end of the lower shell (4), a sliding ring (7) is sleeved outside the lower shell (4) in a sliding manner, the shell also comprises an automatic mechanism and a plurality of bolts (8), and the plurality of groups of bolts (8) are arranged on the sliding ring (7), and the top of the plurality of groups of bolts (8) passes through the two groups of fixing rings (6) and extends out of the upper parts of the two groups of fixing rings (6), the plurality of groups of bolts (8) are all screwed with nuts (9), and the plurality of groups of nuts (9) are all attached to the fixing rings (6) above.

2. The double-shaft output speed reducer according to claim 1, wherein the automatic mechanism comprises a first rack (10), a gear (11), a second rack (12), a connecting rod (13), a connecting block (14), a slider (15) and a fixed block (16), the first rack (10) is connected with the sliding ring (7), the gear (11) is rotatably connected to the lower shell (4), the first rack (10) and the second rack (12) are both meshed with the gear (11), the connecting rod (13) and the slider (15) are both connected with the second rack (12), the connecting block (14) is mounted on the fixing ring (6) located above, the connecting rod (13) is in contact with the connecting block (14), the slider (15) is slidably fixed to the fixed block (16), and the fixed block (16) is mounted on the lower shell (4).

3. A twin-shaft output reduction gear according to claim 2, characterised in that the automatic mechanism further comprises a support block set (17) and a support spring set (18), the support block set (17) is mounted on the lower housing (4), the slide ring (7) is connected with the support block set (17) through the support spring set (18), and the support spring set (18) is in an extended state.

4. A twin-shaft output reduction gear according to claim 3, characterised in that the automatic mechanism further comprises a limit block set (19), the limit block set (19) is mounted on the lower casing (4), and the top end of the limit block set (19) is higher than the top end of the fixed block (16).

5. The double-shaft output speed reducer according to claim 4, wherein a plurality of sets of guide posts (20) are connected to the lower fixing ring (6), and a plurality of sets of guide holes are communicated with the upper fixing ring (6), and the plurality of sets of guide holes are respectively located right above the plurality of sets of guide posts (20).

6. The double-shaft output speed reducer according to claim 5, wherein the front and rear sides of the bottom end of the lower shell (4) are connected with mounting pieces (21), and the two sets of mounting pieces (21) are communicated with each other to form a mounting hole set.

7. The double-shaft output speed reducer according to claim 6, wherein the automatic mechanisms are arranged in two groups, and the two groups of automatic mechanisms are respectively positioned at the front side and the rear side of the lower shell (4).

8. The double-shaft output reduction gear according to claim 7, wherein the top end of the upper shell (3) is screwed with a suspension ring set (22).

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