CN220331183U - Integral dismounting device for output shaft speed reducer - Google Patents

Abstract

The utility model discloses an integral dismounting device of an output shaft speed reducer, which belongs to the technical field of engineering mechanical equipment, and comprises a screw rod, an opening inner conical expansion sleeve and a conical screw nut, wherein a through hole is formed in the center of the opening inner conical expansion sleeve, the diameter of the through hole is smaller than or equal to the diameter of the screw rod, one end of the opening inner conical expansion sleeve is a circular ring, and the other end of the opening inner conical expansion sleeve is conical; the conical nut can be matched with the conical end of the conical expansion sleeve in the opening, and the conical expansion sleeve in the opening and the conical nut are fixed through eight hexagon socket bolts which are arranged in a central symmetry mode; the problems that the traditional method is used for disassembling the speed reducer, a plurality of tools such as a jack and the like are used, the preparation time is long, the preparation time is limited by sites and spaces, the labor intensity is high, the efficiency is low, when the speed reducer is operated by a plurality of people to move outwards, the axial force is unevenly distributed due to multi-point stress, the time and the labor are wasted, and even the speed reducer cannot be disassembled are solved.

Description

Integral dismounting device for output shaft speed reducer

Technical Field

The utility model belongs to the technical field of engineering mechanical equipment, and particularly relates to an integral dismounting device for an output shaft speed reducer.

Background

The hollow output shaft speed reducer is widely applied to various mechanical equipment, such as a belt conveyor and the like, the speed reducer with a proper model is matched according to equipment load, the speed reducer is required to be separated from a mechanical transmission shaft when mechanical parts are maintained and replaced, and the speed reducer is damaged due to the fact that the speed reducer is irregular in appearance and the traditional dismounting mode adopts a plurality of tools such as a jack and the like, so that the operation of multiple persons is time-consuming and labor-consuming, and the speed reducer is damaged.

Disclosure of Invention

Aiming at the problems, the utility model provides an integral dismounting device of an output shaft speed reducer, which comprises a screw rod, an opening inner conical expansion sleeve and a conical nut, wherein the center of the opening inner conical expansion sleeve is provided with a through hole, the diameter of the through hole is smaller than or equal to the diameter of the screw rod, one end of the opening inner conical expansion sleeve is a circular ring, and the other end of the opening inner conical expansion sleeve is conical; the conical nut can be matched with the conical end of the conical expansion sleeve in the opening, and the conical expansion sleeve in the opening and the conical nut are fixed through eight hexagon socket bolts which are arranged in a central symmetry mode; the problems that the traditional method is used for disassembling the speed reducer, a plurality of tools such as a jack and the like are used, the preparation time is long, the preparation time is limited by sites and spaces, the labor intensity is high, the efficiency is low, when the speed reducer is operated by a plurality of people to move outwards, the axial force is unevenly distributed due to multi-point stress, the time and the labor are wasted, and even the speed reducer cannot be disassembled are solved.

The technical scheme of the utility model is as follows, an output shaft speed reducer integral dismounting device comprises: the device comprises a screw rod, an opening inner conical expansion sleeve and a conical screw nut, wherein one end of the conical screw nut is a circular ring, the other end of the conical screw nut is a round table, a penetrating threaded through hole is formed in the periphery of the conical screw nut, and the conical screw nut can be matched with threads on the screw rod; the conical expansion sleeve in the opening can be matched with the conical screw round table end and sleeved on the conical screw round table, and the conical expansion sleeve in the opening and the conical screw are fixed through bolts.

Further, the conical expansion sleeve and the conical nut in the opening are fixed through a plurality of hexagon socket bolts which are arranged in a central symmetry mode.

Further, the number of the hexagon socket head cap bolts is more than eight.

Further, the conical nut is a rigid body.

Further, the conical expansion sleeve in the opening is an elastomer.

The beneficial effects of the utility model are as follows:

the device has the advantages of high coaxial stress, concentrated axial force, and reasonable mechanism, light weight and easy operation, and the speed reducer is integrally moved out by rotating the ejection screw rod; the mechanical device is operated by only two persons, is convenient and quick, does not damage the speed reducer, and improves the disassembly efficiency by 70%. The problems that the traditional method is used for disassembling the speed reducer, a plurality of tools such as a jack and the like are used, the preparation time is long, the preparation time is limited by sites and spaces, the labor intensity is high, the efficiency is low, when the speed reducer is operated by a plurality of people to move outwards, the axial force is unevenly distributed due to multi-point stress, the time and the labor are wasted, and even the speed reducer cannot be disassembled are solved.

Drawings

FIG. 1 is a schematic view of the apparatus of the present utility model.

Fig. 2 is a schematic view of an open inner cone expansion shell of the device of the present utility model.

FIG. 3 is a schematic view of a conical nut of the device of the present utility model

Fig. 4 is a schematic diagram of the working principle of the present utility model.

Fig. 5 is a schematic diagram of a portion of the detail of fig. 4.

In the figure:

1-a screw rod; 2-opening an inner conical expansion sleeve; 3-a conical nut; 4-inner hexagon bolts; 5-a hollow output shaft end; 6-a mechanical transmission shaft; 7-speed reducer.

Detailed Description

It should be noted that, in the description of the present utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operate in a specific orientation.

In the present utility model, unless specifically stated and limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, and for example, "fixed" may be a fixed connection, a removable connection, or an integral body; the connection may be mechanical connection or electrical connection; the connection may be direct connection or indirect connection via an intermediate medium, and may be internal connection of two elements or interaction relationship of two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

An output shaft speed reducer integral disassembly device, comprising: the device comprises a screw rod 1, an opening inner conical expansion sleeve 2 and a conical nut 3, wherein a through hole with threads is formed in the center of the conical nut 3, one end of the conical nut 3 is a circular ring, and the other end of the conical nut is conical; the conical end of the conical nut 3 can be matched with the conical expansion sleeve 2 in the opening, and the conical expansion sleeve 2 in the opening and the conical nut 3 are fixed through bolts.

Further, the conical expansion sleeve 2 and the conical nut 3 in the opening are fixed through a plurality of inner hexagon bolts 4 which are arranged in a central symmetry mode.

Further, the socket head cap bolts 4 are more than eight.

According to the inner diameter of the hollow output shaft of the speed reducer, a combined mechanical locking matching machine part, a screw rod 1, a conical screw nut 3, an opening inner conical expansion sleeve 2, eight standard parts inner hexagon bolts 4 and the like are manufactured.

The working principle of the utility model is realized by the following steps: the circular opening inner cone-shaped expansion sleeve 2, the cone-shaped screw nut 3 and the inner hexagon bolts 4 are arranged in a hollow output shaft end 5 of a speed reducer 7 to be integrally moved outwards under the loosening state of the combined locking device, the screw rod 1 is screwed in, the eight inner hexagon bolts 4 are screwed in, the screw rod 1 is rotated by a spanner and is propped in a central hole of a mechanical transmission shaft 6, and the speed reducer 7 can be integrally moved out by continuously rotating the screw rod 1.

The device adopts 45# steel material to make, and opening interior cone shape expansion shell 2, working face excircle processing roughness is 6.3 and improves coefficient of friction, and circular cone mating surface roughness is 0.6, reduces relative displacement frictional force. Compared with the conventional method, the efficiency is improved by more than 70%, and the effect is very ideal.

For example, a belt conveyor adopts a SEW-FA..97 hollow output shaft speed reducer, the speed reducer needs to be detached integrally because a belt conveyor driving drum bearing is damaged, and the inner hole of the hollow output shaft end of the speed reducer and the shaft end of the belt drum only have 25mm axial space because the belt conveyor driving drum transmission shaft is long, and the speed reducer cannot be removed integrally by adopting a traditional mode, so that a mechanical expansion sleeve device is designed and manufactured, is installed in the end hole of the hollow output shaft of the speed reducer, and a locking screw is screwed, and a screw rod is rotated, so that the speed reducer is removed successfully only for one hour. The working principle is that the mechanical opening is utilized to combine the relative displacement of the inclined planes of the primary sleeve and the secondary sleeve to generate the external expansion mechanical effect of the primary sleeve, the primary sleeve expands to tightly expand the inner hole of the hollow output shaft of the speed reducer, and the purpose that the rotary screw rod integrally moves out of the speed reducer is realized.

The conical expansion sleeve in the opening is provided with eight threaded holes and the conical screw nut is provided with eight threaded holes on the outer ring, under the action of axial force of eight fixing bolts, the two workpieces of the conical expansion sleeve in the opening and the conical screw nut generate axial relative displacement, namely a wedge effect, and the diameter of the conical sleeve in the opening, which expands outwards, is larger when the eight fixing bolts are screwed more tightly

The device is used for moving out a plurality of FA series hollow output shaft speed reducers at present.

The whole dismounting mechanical device of the hollow output shaft speed reducer is characterized in that a mechanical transmission shaft is axially propped up by a screw rod, a conical nut is forced to move outwards to enable an opening inner conical expansion sleeve to increase expansion force, and eight inner hexagon bolts are assisted to increase the opening expansion sleeve to increase friction force.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any modifications, equivalents, improvements and alternatives falling within the spirit and principles of the present utility model will be apparent to those skilled in the art within the scope of the present utility model. And all that is not described in detail in this specification is well known to those skilled in the art.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," 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.

Claims (5)

1. An output shaft speed reducer wholly dismantles device, its characterized in that includes: the device comprises a screw rod, an opening inner conical expansion sleeve and a conical screw nut, wherein one end of the conical screw nut is a circular ring, the other end of the conical screw nut is a round table, a penetrating threaded through hole is formed in the periphery of the conical screw nut, and the conical screw nut can be matched with threads on the screw rod; the conical expansion sleeve in the opening can be matched with the conical screw round table end and sleeved on the conical screw round table, and the conical expansion sleeve in the opening and the conical screw are fixed through bolts.

2. The integral disassembly device of the output shaft speed reducer of claim 1, wherein the conical expansion sleeve and the conical nut in the opening are fixed through a plurality of hexagon socket bolts which are arranged in a central symmetry mode.

3. The integral disassembly device of the output shaft speed reducer of claim 2, wherein more than eight hexagon socket head cap bolts are provided.

4. A unitary output shaft reducer dismounting device as set forth in any of claims 1-3, wherein said conical nut is a rigid body.

5. The integral disassembly device of an output shaft speed reducer of claim 4, wherein the conical expansion tool in the opening is an elastomer.