CN210327268U

CN210327268U - Improved generation transmission structure

Info

Publication number: CN210327268U
Application number: CN201921344631.XU
Authority: CN
Inventors: 赵军刚; 黄引团; 付春婵; 殷勇
Original assignee: Sinosteel Xian Machinery Co Ltd
Current assignee: Sinosteel Xian Machinery Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-04-14
Anticipated expiration: 2029-08-19

Abstract

The utility model provides an improved transmission structure, wherein a first transmission shaft is connected with a second transmission shaft by a speed reducer, a first supporting seat is connected with the first transmission shaft, and a second supporting seat is connected with the second transmission shaft; the first bearing is sleeved on the first transmission shaft and is arranged on the first frame body; the second bearing is sleeved on the second transmission shaft and is arranged on the second frame body; the locking assembly is arranged on the first transmission shaft and connected with the second transmission shaft. Through above-mentioned scheme, when roller mechanism normal use, through the first and second transmission shaft of locking subassembly locking, first and second transmission shaft synchronous rotation removes locking subassembly when needs change the speed governing, and first and second transmission shaft carry out differential drive. Thereby realizing two-stage transmission effect. Utilize the supporting seat to offset the action of gravity of two transmission shafts, protected speed reducer inner structure, realized being connected of the no rotational resistance of transmission shaft with the supporting seat through the bearing.

Description

Improved generation transmission structure

Technical Field

The utility model relates to the field of machinary, especially, relate to an improved generation transmission structure.

Background

In fields such as smelting and papermaking, involve many roller structures, the roll-in structure of work has the transportation structure of guide transportation usefulness, and the rotation of roller generally is driven by the motor, reaches the rotational speed of needs through speed governing structures such as synchronizing wheel or speed reducer, when the different products of actual production, often needs different rotational speeds, relies on speed reducer or adjustment motor power alone to be difficult to realize the needs.

Meanwhile, the motor power is adjusted, a control system is required to be configured, the investment cost is high, the operation of temporarily replacing the speed reducer is troublesome, and meanwhile, the size and the mounting structure of the speed reducer with different rotation speed ratios are different, and the change is troublesome. Most of the roll shaft structures keep fixed rotating speed after the motor is normally powered, and when the existing speed reducer cannot meet the requirement or the motor does not have a control system to regulate speed, the speed reducer needs to be changed mostly.

Meanwhile, due to the suspended arrangement of the transmission shaft, certain circumferential force is applied to the inside of the speed reducer by the power of the transmission shaft, and certain influence is caused on the service life of the speed reducer.

In view of the above, an improved transmission structure is proposed to solve the above problems.

Disclosure of Invention

An object of the utility model is to provide an improved generation transmission structure realizes the driven effect of two-stage through speed reducer and locking Assembly, utilizes the supporting seat to support the transfer line to the realization is to the protection of speed reducer.

The utility model discloses a technique be:

an improved transmission structure comprises a first transmission shaft, a second transmission shaft, a speed reducer, a first supporting seat and a second supporting seat, wherein the speed reducer connects the first transmission shaft with the second transmission shaft;

the first support seat comprises a first frame body and a first bearing, the first bearing is sleeved on the first transmission shaft, and the first bearing is arranged on the first frame body;

the second support seat comprises a second support body and a second bearing, the second bearing is sleeved on the second transmission shaft, and the second bearing is arranged on the second support body;

the locking mechanism is characterized by further comprising a detachable locking assembly, wherein the locking assembly is arranged on the first transmission shaft and connected with the second transmission shaft.

Through the scheme, when the roller mechanism is normally used, the first transmission shaft and the second transmission shaft are locked through the locking assembly, the first transmission shaft and the second transmission shaft synchronously rotate, the locking assembly is removed when the speed regulation is required to be changed, and the first transmission shaft and the second transmission shaft are in differential transmission. Thereby realizing two-stage transmission effect. Utilize first supporting seat and second supporting seat to offset the action of gravity of two transmission shafts, protected speed reducer inner structure, realized being connected of no rotational resistance of transmission shaft and supporting seat through first bearing and second bearing.

According to the scheme, the speed reducer is further optimized, and the speed reducer further comprises a first limiting portion and a second limiting portion, wherein the first limiting portion is sleeved on the first transmission shaft and is located between the first bearing and the speed reducer, the second limiting portion is sleeved on the second transmission shaft, and the second limiting portion is located between the second bearing and the speed reducer. The limiting part can limit the axial position of the transmission shaft on the supporting seat, the transmission shaft and the speed reducer are connected only by rotating acting force, and the transmission shaft and the speed reducer are axially and relatively static.

According to the scheme, a plurality of first mounting holes are formed in the first transmission shaft, a plurality of second mounting holes are formed in the first limiting part, and the center line of each first mounting hole is overlapped with the center line of each second mounting hole; the second transmission shaft is provided with a plurality of third mounting holes, the second limiting portion is provided with a plurality of fourth mounting holes, and the center line of each third mounting hole is overlapped with the center line of each fourth mounting hole. The limiting part is connected by detachable threads, so that the transmission structure is more convenient to replace and maintain.

According to the scheme, the first frame body is provided with a first reinforcing rib and a first straight notch, and the second frame body is provided with a second reinforcing rib and a second straight notch. The straight notch is used for installing the supporting seat, improves the stability of supporting. The device is not only vertically placed on the bottom surface or the horizontal plane, but also can be vertically and horizontally installed and fixed.

As the further optimization of scheme, locking Assembly includes first locking plate, second locking plate and a plurality of check lock, and first locking plate is connected with first transmission shaft, and the second locking plate is connected with the second transmission shaft, and the check lock is connected first transmission shaft and second transmission shaft, and the check lock is for dismantling. The locking assembly is used for realizing the function of the locking assembly or not by utilizing the detachable connection of the locking rod and the locking plate.

According to the scheme, the center line of the first transmission shaft is overlapped with the center line of the second transmission shaft, the speed reducer is a planetary speed reducer, and the locking rods are arranged in the circumferential direction of the first transmission shaft. The planetary reducer can ensure that the first transmission shaft and the second transmission shaft are coaxial, and the locking assembly can effectively lock the two transmission shafts.

The scheme is further optimized, the speed reducer further comprises a third bearing and a first connecting seat, an inner ring of the third bearing is connected with the first transmission shaft, an outer ring of the third bearing is connected with the first connecting seat, and the first connecting seat is connected with the speed reducer.

As the further optimization of scheme, still include fourth bearing and second connecting seat, the inner circle and the second transmission week of fourth bearing are connected, and the outer lane and the second connecting seat of fourth bearing are connected, and the second connecting seat is connected with the speed reducer. The bearing is used for being connected the speed reducer with the connecting seat, utilizes bearing and transmission shaft to overlap simultaneously and establishes, reduces the effort of transmission shaft in circumference, also can reduce the effort of speed reducer in circumference, plays the effect of stabilizing the transmission shaft and rotating and protection speed reducer.

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

The straight notch is used for installing the supporting seat, improves the stability of supporting. The device is not only vertically placed on the bottom surface or the horizontal plane, but also can be vertically and horizontally installed and fixed.

The bearing is used for being connected the speed reducer with the connecting seat, utilizes bearing and transmission shaft to overlap simultaneously and establishes, reduces the effort of transmission shaft in circumference, also can reduce the effort of speed reducer in circumference, plays the effect of stabilizing the transmission shaft and rotating and protection speed reducer.

Drawings

Fig. 1 is one of schematic structural diagrams of an improved transmission structure provided by the present invention;

fig. 2 is a second schematic structural diagram of an improved transmission structure provided by the present invention;

fig. 3 is a third schematic structural diagram of an improved transmission structure provided by the present invention.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying 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 thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; 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 creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1:

referring to fig. 1-3, an improved transmission structure includes a first transmission shaft 1, a second transmission shaft 2, a speed reducer 5, a first support seat 3 and a second support seat 4, wherein the speed reducer 5 connects the first transmission shaft 1 with the second transmission shaft 2, the first support seat 3 is connected with the first transmission shaft 1, and the second support seat 4 is connected with the second transmission shaft 2; the first supporting seat 3 comprises a first frame body 31 and a first bearing 33, the first bearing 33 is sleeved on the first transmission shaft 1, and the first bearing 33 is installed on the first frame body 31; the second support seat 4 comprises a second frame body 41 and a second bearing 43, the second bearing 43 is sleeved on the second transmission shaft 2, and the second bearing 43 is installed on the second frame body 41; still include detachable locking Assembly 6, locking Assembly 6 locates first transmission shaft 1 and connects, and locking Assembly 6 is connected with second transmission shaft 2.

One end of a traditional transmission shaft is connected with a motor or a speed reducer, the other end of the traditional transmission shaft is connected with a roll shaft, transmission is realized between the roll shaft and the motor, when the requirement of the rotation speed of the motor and the existing speed reducer is exceeded, for example, in a cold rolling mill, different working roll rotation speeds are required for rolling different thicknesses of different materials, and the speed of a configured conveying structure and a configured guiding structure are required to be changed; also rolls of different diameters, such as in paper machines, require different rotational speeds. In these scene requirements, the mode of replacing the motor or the existing speed reducer is generally adopted for meeting.

In this embodiment, when roller mechanism normally used, through locking Assembly 6 locking first transmission shaft 1 and secondary drive axle 2, first transmission shaft 1 and secondary drive axle 2 synchronous revolution have realized the transmission function of normal biography merit pole, when needs change the speed governing, remove locking Assembly 6, first transmission shaft 1 passes through speed reducer 5 and is connected with secondary drive axle 2, first transmission shaft 1 carries out differential drive with secondary drive axle 2. Thereby, a two-stage transmission effect is realized, and the series connection effect of the speed reducer 5 and the original speed reducer 5 is formed. The locking assembly 6 acts as a switch acting in series, acting according to the actual use needs.

Meanwhile, when the traditional speed reducer 5 is connected with the transmission shaft, the transmission shaft has certain axial acting force on the speed reducer 5, and the long-term speed reducer 5 is directly connected with the transmission shaft, so that the service life of the speed reducer 5 is influenced. Consequently need carry out offsetting of gravity to the transmission shaft, adopt the support frame to support the transmission shaft, wherein still need prevent that the supporting seat from causing extra rotational resistance to the transmission shaft, introduced bearing structure in this embodiment, utilize the bearing to realize supporting and rotate the function, when guaranteeing to support the transmission shaft, do not hinder the transmission shaft and rotate.

Through the scheme, when the roller mechanism is normally used, the first transmission shaft 1 and the second transmission shaft 2 are locked through the locking assembly 6, the first transmission shaft 1 and the second transmission shaft 2 synchronously rotate, the locking assembly 6 is removed when the speed regulation needs to be changed, and the first transmission shaft 1 and the second transmission shaft 2 perform differential transmission. Thereby realizing two-stage transmission effect. Utilize first supporting seat 3 and second supporting seat 4 to offset the action of gravity of two transmission shafts, protected 5 inner structure of speed reducer, realized being connected of no rotational resistance of transmission shaft and supporting seat through first bearing 33 and second bearing 43.

Example 2:

referring to fig. 1-3, in the present embodiment, the supporting seat is made more practical by adding the limiting portion and the mounting hole.

In this embodiment, the present invention further includes a first position-limiting portion 71 and a second position-limiting portion 72, the first position-limiting portion 71 is sleeved on the first transmission shaft 1, the first position-limiting portion 71 is located between the first bearing 33 and the speed reducer 5, the second position-limiting portion 72 is sleeved on the second transmission shaft 2, and the second position-limiting portion 72 is located between the second bearing 43 and the speed reducer 5. The limiting part can limit the axial position of the transmission shaft on the supporting seat, the transmission shaft is connected with the speed reducer 5 only through rotating acting force, and the transmission shaft and the speed reducer 5 are axially and relatively static. At long-term in-process use, two transmission shafts and the possible pine of being connected between the speed reducer 5 take off, lead to the problem of axial disengagement to produce, utilize spacing portion can effectively prevent the appearance of this problem, spacing portion is detachable construction.

As a further optimization of the scheme, a plurality of first mounting holes 11 are formed in the first transmission shaft 1, a plurality of second mounting holes 711 are formed in the first limiting portion 71, and the center line of the first mounting holes 11 is overlapped with the center line of the second mounting holes 711; a plurality of third mounting holes 21 are formed in the second transmission shaft 2, a plurality of fourth mounting holes 721 are formed in the second limiting portion 72, and the center line of each third mounting hole 21 coincides with the center line of each fourth mounting hole 721. The limiting part is connected by detachable threads, so that the transmission structure is more convenient to replace and maintain.

As a further optimization of the scheme, a first reinforcing rib and a first straight notch 32 are arranged on the first frame body 31, and a second reinforcing rib and a second straight notch 42 are arranged on the second frame body 41. The straight notch is used for installing the supporting seat, improves the stability of supporting. The device is not only vertically placed on the bottom surface or the horizontal plane, but also can be vertically and horizontally installed and fixed.

Example 3:

referring to fig. 1-3, in the present embodiment, a detailed structure of the locking assembly 6 is provided, and the connection between the speed reducer 5 and the transmission shaft is further optimized.

In this embodiment, the locking assembly 6 includes a first locking plate 61, a second locking plate 62 and a plurality of locking rods 63, the first locking plate 61 is connected with the first transmission shaft 1, the second locking plate 62 is connected with the second transmission shaft 2, the locking rods 63 connect the first transmission shaft 1 with the second transmission shaft 2, and the locking rods 63 are detachable. The locking assembly 6 is operated or not by the detachable connection of the locking lever 63 to the locking plate. The locking assembly 6 is specifically formed by connecting two locking plates with the transmission shaft, can adopt a detachable threaded connection or a fixed welding mode, and can meet the requirement as long as the locking plates and the transmission shaft do not axially move relatively; utilize the check lock lever 63 to carry out the connection of two locking plates simultaneously, in this embodiment, can adopt threaded connection between check lock lever 63 and the locking plate, perhaps adopt the bolt connection, through the effect of check lock lever 63 back, realize relative stillness between two locking plates, realized the synchronous rotation between two transmission shafts simultaneously.

As a further optimization of the scheme, the central line of the first transmission shaft 1 coincides with the central line of the second transmission shaft 2, the speed reducer 5 is a planetary speed reducer 5, and the locking rods 63 are arranged in the circumferential direction of the first transmission shaft 1. The planetary reducer 5 can realize the shaft connection of straight lines, can guarantee that first transmission shaft 1 is coaxial with second transmission shaft 2, and guarantee locking Assembly 6 can effectively lock two transmission shafts and realize the transmission demand of normality.

As the further optimization of the scheme, the device further comprises a third bearing 91 and a first connecting seat 81, wherein the inner ring of the third bearing 91 is connected with the first transmission shaft 1, the outer ring of the third bearing 91 is connected with the first connecting seat 81, and the first connecting seat 81 is connected with the speed reducer 5.

As the further optimization of the scheme, the speed reducer further comprises a fourth bearing 92 and a second connecting seat 82, wherein the inner ring of the fourth bearing 92 is connected with the second transmission ring, the outer ring of the fourth bearing 92 is connected with the second connecting seat 82, and the second connecting seat 82 is connected with the speed reducer 5. The bearing is used for being connected speed reducer 5 with the connecting seat, utilizes the bearing to overlap with the transmission shaft simultaneously and establishes, reduces the effort of transmission shaft in circumference, also can reduce speed reducer 5 in the effort of circumference, plays the effect of stabilizing the transmission shaft and rotating and protection speed reducer 5. Utilize the connecting seat to be connected with speed reducer 5's shell, connecting seat erection bearing with the gravity bearing structure of transmission shaft, has the inside bearing of speed reducer 5 to turn into 5 outside bearings of speed reducer, effectively protects speed reducer 5, and the bearing can guarantee that the transmission shaft is accessible to rotate.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An improved transmission structure is characterized by comprising a first transmission shaft (1), a second transmission shaft (2), a speed reducer (5), a first supporting seat (3) and a second supporting seat (4), wherein the speed reducer (5) is used for connecting the first transmission shaft (1) with the second transmission shaft (2), the first supporting seat (3) is connected with the first transmission shaft (1), and the second supporting seat (4) is connected with the second transmission shaft (2);

the first supporting seat (3) comprises a first frame body (31) and a first bearing (33), the first bearing (33) is sleeved on the first transmission shaft (1), and the first bearing (33) is installed on the first frame body (31);

the second support seat (4) comprises a second support body (41) and a second bearing (43), the second bearing (43) is sleeved on the second transmission shaft (2), and the second bearing (43) is installed on the second support body (41);

still include detachable locking Assembly (6), locking Assembly (6) are located first transmission shaft (1) is connected, locking Assembly (6) with second transmission shaft (2) are connected.

2. The improved transmission structure according to claim 1, further comprising a first limiting portion (71) and a second limiting portion (72), wherein the first limiting portion (71) is sleeved on the first transmission shaft (1), the first limiting portion (71) is located between the first bearing (33) and the speed reducer (5), the second limiting portion (72) is sleeved on the second transmission shaft (2), and the second limiting portion (72) is located between the second bearing (43) and the speed reducer (5).

3. An improved transmission structure as claimed in claim 2, wherein a plurality of first mounting holes (11) are provided on the first transmission shaft (1), a plurality of second mounting holes (711) are provided on the first limiting portion (71), and a center line of the first mounting hole (11) coincides with a center line of the second mounting hole (711); the transmission shaft is characterized in that a plurality of third mounting holes (21) are formed in the second transmission shaft (2), a plurality of fourth mounting holes (721) are formed in the second limiting portion (72), and the center lines of the third mounting holes (21) coincide with the center line of the fourth mounting holes (721).

4. An improved transmission structure as claimed in claim 3, characterized in that said first frame body (31) is provided with a first rib and a first straight notch (32), and said second frame body (41) is provided with a second rib and a second straight notch (42).

5. An improved transmission according to any of claims 1-4, wherein said locking assembly (6) comprises a first locking plate (61), a second locking plate (62) and a plurality of locking rods (63), said first locking plate (61) is connected to said first transmission shaft (1), said second locking plate (62) is connected to said second transmission shaft (2), said locking rods (63) connect said first transmission shaft (1) to said second transmission shaft (2), said locking rods (63) being detachable.

6. An improved transmission structure according to claim 5, characterized in that the centre line of the first transmission shaft (1) coincides with the centre line of the second transmission shaft (2), the speed reducer (5) is a planetary speed reducer (5), and the locking lever (63) is arranged in the circumferential direction of the first transmission shaft (1).

7. An improved transmission structure as claimed in claim 6, further comprising a third bearing (91) and a first connecting seat (81), wherein an inner ring of the third bearing (91) is connected with the first transmission shaft (1), an outer ring of the third bearing (91) is connected with the first connecting seat (81), and the first connecting seat (81) is connected with the speed reducer (5).

8. The improved transmission structure according to claim 7, further comprising a fourth bearing (92) and a second connecting seat (82), wherein an inner ring of the fourth bearing (92) is connected with the second transmission ring, an outer ring of the fourth bearing (92) is connected with the second connecting seat (82), and the second connecting seat (82) is connected with the speed reducer (5).