CN213622031U

CN213622031U - Turnover equipment with gear hollow shaft

Info

Publication number: CN213622031U
Application number: CN202021776321.8U
Authority: CN
Inventors: 刘宏山; 曹定福; 范万里; 柏屹峰; 熊学木; 张宏林; 陈建良
Original assignee: Wuhan High Power Locomotive Maintenance Section of China Railway Wuhan Group Co Ltd
Current assignee: Wuhan High Power Locomotive Maintenance Section of China Railway Wuhan Group Co Ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-07-06
Anticipated expiration: 2030-08-21

Abstract

The utility model provides a turnover device with a gear hollow shaft, which comprises two turnover devices arranged at a relative interval, wherein a feeding interval is formed between the two turnover devices; each overturning device comprises a rack, a lifting assembly and an overturning fixture, wherein the lifting assembly comprises a lifting frame and a lifting driving mechanism, the lifting frame is vertically and slidably arranged on the rack, and the lifting driving mechanism is in driving connection with the lifting frame so as to drive the lifting frame to lift; the overturning clamp is rotatably arranged on one side of the lifting frame close to the feeding interval and is provided with a clamping part for clamping one side of a hollow shaft with a gear to be overturned; the overturning equipment reduces the occupied area, does not need a large-area safety protection area, and also reduces the danger coefficient of overturning the hollow shaft with the gear.

Description

Turnover equipment with gear hollow shaft

Technical Field

The utility model relates to a take gear hollow shaft production to overhaul technical field, concretely relates to tipping arrangement of geared hollow shaft.

Background

A hollow shaft with gears of an HXD1D series driving device is formed by fixedly sleeving a gear on the outer portion of a hollow shaft, and is a main component of an HXD1D series driving device, wherein the gear is sleeved at a position close to one end of the hollow shaft, so that two hollow shaft portions with different lengths are formed on two sides of the gear and extend out, the hollow shaft portions are named as a long shaft portion and a short shaft portion for convenience of description, in the production and maintenance processes of the hollow shaft with the gears, a plurality of processes need to perform overturning operation on the hollow shaft with the gears, and the mode of the overturning operation directly influences the production efficiency and safety quality of the whole device.

At present, each production and overhaul factory adopts a travelling crane and a hanging strip to complete the turnover work, generally, a hollow shaft with a gear and one downward upright end is laid down to enable the hollow shaft to be in a horizontal position, then the other end of the hollow shaft with the gear is upright downward, and the hollow shaft with the gear is only stabilized by the hanging strip in the turnover operation process, so that the hollow shaft with the gear can be toppled to any direction when the hanging strip is stressed unevenly, the operation risk coefficient is very large, the requirement on the skill of a worker is high, in addition, the toppling direction is not controllable, all the directions around need to be emptied, and a very large safety protection area is needed, so that the hollow shaft has the characteristic of large floor area.

Therefore, it is an urgent need of hollow shaft manufacturers to produce and maintain HXD 1D-series driving devices by improving the turning efficiency of the hollow shaft, reducing the skill requirement of personnel, and reducing the floor space.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tipping arrangement of geared hollow shaft to solve the technical problem that geared hollow shaft upset danger coefficient is big, require high to personnel's technical ability among the prior art.

The utility model provides a scheme as follows of above-mentioned technical problem: a turnover device with a gear hollow shaft comprises two turnover devices which are oppositely arranged at intervals, wherein a feeding interval is formed between the two turnover devices;

each overturning device comprises a rack, a lifting assembly and an overturning fixture, wherein the lifting assembly comprises a lifting frame and a lifting driving mechanism, the lifting frame is vertically and slidably arranged on the rack, and the lifting driving mechanism is in driving connection with the lifting frame so as to drive the lifting frame to lift; the overturning fixture is rotatably arranged on one side of the lifting frame close to the feeding interval and is provided with a clamping part for clamping one side of a hollow shaft with a gear to be overturned.

The utility model provides a take tipping arrangement of gear hollow shaft, through the turning device that two relative intervals set up, adopt two upset anchor clamps to take the both sides of gear hollow shaft's gear centre gripping respectively, then adopt lifting unit to promote and take gear hollow shaft, because the upset anchor clamps rotatable install in on the crane, can be with taking the gear hollow shaft along upset anchor clamps circumference upset, this tipping arrangement has effectively improved the operating efficiency, because take the both sides of gear hollow shaft by the upset anchor clamps centre gripping, take gear hollow shaft can not empty to frame one side, only need to carry out the protection to the fore-and-aft direction that the material loading interval corresponds can, therefore reduced area, need not the safety protection district of large tracts of land, also reduce the danger coefficient of taking the gear hollow shaft upset.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic perspective view of a turning device with a hollow gear shaft according to an embodiment of the present invention;

FIG. 2 is an exploded view of the turning device of FIG. 1;

FIG. 3 is a schematic end view of the column of FIG. 2;

FIG. 4 is a schematic view of the frame, the flipping fixture, and the flipping mechanism of FIG. 2;

FIG. 5 is a schematic structural view of the flip limiting assembly of FIG. 1;

FIG. 6 is a schematic structural diagram of the elevating driving mechanism in FIG. 2;

fig. 7 is a schematic view of the usage state of the present embodiment.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

As shown in fig. 1, the utility model provides a turning device with a gear hollow shaft, which comprises two turning devices 100 arranged at a relative interval, and a feeding interval a is formed between the turning devices 1.

Each overturning device 100 comprises a rack 1, a lifting assembly 2 and an overturning fixture 3; the lifting assembly 2 comprises a lifting frame 21 and a lifting driving mechanism 22, the lifting frame 21 is vertically and slidably mounted on the rack 1, and the lifting driving mechanism 22 is in driving connection with the lifting frame 21 so as to drive the lifting frame 21 to lift; the turning clamp 3 is rotatably mounted on one side of the lifting frame 21 close to the feeding interval a, and the turning clamp 3 is provided with a clamping part 36 for clamping one side of the gear 201 of the hollow shaft 200 with the gear to be turned.

In some embodiments, the machine frame 1 includes a base 11 and two upright columns 12, a lifting interval 1a is formed between the two upright columns 12, and the lifting frame 21 is movably mounted on the lifting interval 1 a.

In some embodiments, a plurality of leveling bolts 111 are installed at the bottom of the base 11, the leveling bolts 111 are connected to the base 11 by threads, and one end of each leveling bolt 111 abuts against the ground, so that the leveling of the base can be effectively realized by adjusting the height of the leveling bolt 111, and the overall position stability of the rack 1 is ensured.

Further, the crane 21 includes support body 211, leading wheel 212 and spacing wheel 213, each stand 12 has the orientation go up and down interval 1 a's medial surface 121 and with the lateral surface 122 that medial surface 121 is relative, be formed with the spacing groove 12a of vertical setting and the direction slide rail 123 of vertical setting on the medial surface 121, the support body 211 activity set up in go up and down in interval 1a, leading wheel 212 with spacing wheel 213 all rotatable install in support body 211, leading wheel 212 with direction slide rail 123 rolls the cooperation and sets up, spacing wheel 213 correspond set up in spacing groove 12 a.

Wherein, in some embodiments, the support body 211 is a hollow rectangular frame formed by connecting a plurality of hollow steel columns, the limiting grooves 12a are located on two sides of the inner side surface 121, the guiding slide rail 123 is located in the middle of the inner side surface 121, and accordingly, correspondingly, the guiding wheels 212 are rotatably connected to the middle of the support body 211, for ensuring the limiting effect, the limiting wheels 213 are two sets, which are respectively installed on the upper and lower parts of the support body 211, and are respectively arranged corresponding to two sides of the support body 211, when the lifting driving mechanism 22 drives the lifting frame 21 to lift, the limiting wheels 213 slide in the corresponding limiting grooves 12a, the guiding wheels 212 slide against the outer sides of the guiding slide rails 122, so as to ensure that the lifting frame 21.

In the above embodiment, the lifting driving mechanism 22 includes a sprocket lifting motor 221, a sprocket 222, a chain 223 and a chain hanger 224, the sprocket lifting motor 221 is installed at the upper end of the upright post 12, the sprocket 222 is drivingly connected to the output end of the sprocket lifting motor 221, one end of the chain 223 is connected to the lifting frame 21 through the chain hanger 224, more precisely, connected to the frame body 211 of the lifting frame 21, and the other end of the chain 223 is cooperatively connected to the sprocket 222.

In order to effectively straighten the chain 223, prevent the chain 223 from being bent, and ensure the service life of the chain 223, it is preferable that the above-mentioned elevating driving mechanism 22 further includes a plurality of idler pulleys 225 and a tension weight 226, one end of the chain 223 near the sprocket 222 is connected to the tension weight 226 by bypassing the sprocket 222, and a plurality of idler pulleys 224 are installed adjacent to the chain 223 to tension the chain.

In some embodiments, the turning jigs 3 include a rotating wheel 31, a mounting seat 32, a turning plate 33, a pressing plate 34 and a limiting member 35, the rotating wheel 31 is rotatably mounted on one side of the lifting frame 21, more precisely, on one side of the frame body 211 close to the feeding interval a, the rotating axes of the rotating wheel 31 are horizontally arranged, the rotating axes of the rotating wheels 31 corresponding to two turning jigs 3 should theoretically be kept collinear, and in actual production, the rotating axes of the rotating wheels 31 corresponding to two turning jigs 3 are generally parallel due to equipment errors; the mounting seat 32 is mounted on one side of the rotating wheel 31 far away from the lifting frame 211, and the mounting seat 32 is used as a mounting base body of the turning plate 33 and the pressing plate 34, so that the mounting stability of the turning plate 33 and the pressing plate 34 is effectively ensured; the turning plate 33 and the pressing plate 34 are respectively rotatably mounted at two ends of the mounting seat 34, the rotation axis of the turning plate 33 and the rotation axis of the pressing plate 34 are arranged in parallel, so that when the turning plate 33 and the pressing plate 34 rotate around their own axes, the included angle between the turning plate 33 and the pressing plate 34 changes, and further the effect of clamping the gear 201 of the hollow spindle 200 with the gear to be turned is achieved, specifically, since one side end surface of the gear 201 of the hollow spindle 200 with the gear has a mounting groove, in some embodiments, a limiting arc strip 341 is formed at one side of the pressing plate 34 close to the turning plate 33, the limiting arc strip 341 is used for limiting and fixing with the side mounting groove of the gear 201 of the hollow spindle 200 with the gear, so that the turning plate 33 and the pressing plate 34 together form the clamping portion 36, wherein the limiting member 35 is detachably mounted at the clamping portion 36 to enable the clamping portion 36 to have a use state and an idle state, specifically, when the clamping portion 36 is in a use state, the turning plate 33 and the pressing plate 34 are close to each other, and two ends of the limiting member 35 are respectively connected with the turning plate 33 and the pressing plate 34 to limit the rotation of the turning plate 33 and the pressing plate 36; when the device is in an idle state, two ends of the limiting piece 35 are respectively disconnected from the turning plate 33 and the pressing plate 34, and the turning plate 33 and the pressing plate 34 can rotate freely.

In some embodiments, fixing holes are respectively formed at corresponding positions of the turning plate 33 and the pressing plate 34, when the limiting member 35 is installed, the limiting member 35 is placed between the turning plate 33 and the pressing plate 34, two ends of the limiting member are fixedly connected through a screw and a nut, a U-shaped washer is installed between the nut and the corresponding turning plate 33 and the pressing plate 34, in addition, a mountain climbing buckle can be installed at the edge of the turning plate 33, a hook ring is installed at the edge corresponding to the rotating wheel, and when the clamping portion 36 is in an idle state, the mountain climbing buckle and the hook ring are connected to ensure the stable position of the turning plate.

In order to reduce the intensity of workers and effectively drive the hollow shaft with the gear to overturn, the overturning equipment further comprises an overturning driving mechanism 4 with a locking function, and the overturning driving mechanism 4 is installed on any one of the lifting frames 21 to drive the corresponding overturning clamp 3 to rotate.

In some embodiments, the turning driving mechanism 4 may be one, and the turning clamp 3 driven by the turning driving mechanism is a driving end, and the other opposite turning clamp 3 is a driven end; in other embodiments, there are two turning fixtures, and the two turning driving mechanisms 4 synchronously drive the corresponding turning fixtures 3 to rotate.

Further, the turnover driving mechanism 4 includes a driving motor 41, a driving gear 42, a rotary support 43 and a driven gear 44, the driving motor 41 is a servo motor with a self-locking mechanism, the driving motor 41 is fixedly installed on the corresponding lifting frame 21, more precisely, in a hollow cavity in the frame body 211, the driving gear 42 is connected to an output shaft of the driving motor 41 in a driving manner, an inner ring of the rotary support 43 is fixedly installed on one side of the lifting frame 21, as a preferred embodiment, an annular ring is fixedly connected to the side surface of the frame body 211, and an inner ring of the rotary support 43 is fixedly sleeved on the annular ring; the driven gear 44 is fixedly installed on the outer ring of the slewing bearing 43 and is in meshed transmission with the driving gear 42, the rotating wheel 31 is fixedly connected to the outer ring of the slewing bearing 43, and when the output shaft of the driving motor 41 rotates, the driving gear can be driven to rotate, so that the driven gear 44 and the rotating wheel 31 are driven to rotate, and the hollow shaft 200 with the gears is turned over.

In order to facilitate the installation of the hollow shaft 200 with the gear on the overturning fixture 3 and prevent the overturning fixture 3 from rotating during the installation process, and further to facilitate the stable fixation of the hollow shaft 200 with the gear on two vertical states forming 180 degrees with each other, the overturning device further comprises at least one overturning limiting component 5 installed on any one of the lifting frames 21 to limit the rotation of the overturning fixture 3 on the corresponding lifting frame 21, the overturning limiting component 5 comprises a limiting installation seat 51, a limiting pin 52 and a limiting driving member 53, the limiting installation seat 51 is fixedly installed on the corresponding lifting frame 21 and is provided with a through hole 51a, the limiting pin 52 can movably pass through the through hole 51a, limiting holes 31a are formed at two opposite ends of one side of the rotating wheel 31 close to the lifting frame 21, and the limiting driving member 53 is in driving connection with the limiting pin 52, so as to drive the limiting pin 52 to pass through the through hole 51a to be matched with the limiting hole 31a for limiting.

In some embodiments, the limit driving member 53 is a link mechanism with a locking position, which is connected to the limit pin 52 by the movement of the link rod to drive the limit pin 52 to extend and retract, and to lock the limit pin against displacement when the limit pin extends and retracts; in other embodiments, the driving member 53 is a telescopic cylinder, and a driving shaft of the telescopic cylinder is connected to the limit pin 52 to drive the limit pin 52 to extend and retract.

When the turnover device provided by the embodiment is used, firstly, the hollow shaft 200 with the gear is conveyed to the feeding interval a by the travelling crane, at this time, the rotating wheel 31 is fixed and limited by the limiting pin 52, two sides of the gear 201 are respectively placed on the pressing plates 34 at two sides, and the short shaft section 202 is ensured to be positioned below the long shaft section 203, so that the arc-shaped limiting strip 341 on the pressing plate 34 is fixed and limited with the mounting groove on the side surface of the gear 201, then the mountain-climbing buckle is opened, the limiting piece 35 is unlocked and mounted on the clamping part 36 according to the mounting mode, the clamping of the clamping part 36 on the gear 201 is ensured to be stable, then the limiting pin 52 is withdrawn, the rotating wheel 31 is unlocked, the driving motor 41 is started, the rotating wheel 31 is slowly rotated by 90 degrees, at this time, the axis of the hollow shaft 200 with the gear is horizontal, then the sprocket lifting motor 221 is started, it is the drive motor 41 that continues to rotate 90 deg., and the inversion of the geared hollow shaft 200 is completed.

Compared with the overturning mode in the prior art, the overturning equipment has the advantages that the driving motor 41 and the chain wheel lifting motor 221 can be adopted to realize rotation and lifting, manpower is saved, and the operation efficiency is effectively improved, in addition, because the two sides of the gear 201 of the hollow shaft 200 with the gear are clamped by the overturning clamp 3, the hollow shaft 200 with the gear cannot topple to one side of the rack 1, only the front and back directions corresponding to the feeding interval a need to be well protected, so that the occupied area is reduced, a large-area safety protection area is not needed, and the danger coefficient of overturning of the hollow shaft 200 with the gear is also reduced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. A turnover device with a gear hollow shaft is characterized in that,

the automatic feeding device comprises two turnover devices which are oppositely arranged at intervals, and a feeding interval is formed between the two turnover devices;

each overturning device comprises a rack, a lifting assembly and an overturning fixture, wherein the lifting assembly comprises a lifting frame and a lifting driving mechanism, the lifting frame is vertically and slidably arranged on the rack, and the lifting driving mechanism is in driving connection with the lifting frame so as to drive the lifting frame to lift; the overturning fixture is rotatably arranged on one side of the lifting frame close to the feeding interval and is provided with a clamping part for clamping one side of a gear with a gear hollow shaft to be overturned.

2. The turning device with the gear hollow shaft according to claim 1, wherein the turning fixture comprises a rotating wheel, a mounting seat, a turning plate, a pressing plate and a limiting part, the rotating wheel is rotatably mounted on one side of the lifting frame, the mounting seat is mounted on one side of the rotating wheel far away from the lifting frame, the turning plate and the pressing plate are respectively rotatably mounted at two ends of the mounting seat, the rotating axis of the turning plate and the rotating axis of the pressing plate are arranged in parallel, a limiting arc-shaped strip is formed on one side of the pressing plate close to the turning plate and used for limiting and fixing with the side surface of the gear with the gear hollow shaft, the turning plate and the pressing plate form the clamping part, the limiting part is detachably mounted on the clamping part to enable the clamping part to have a use state and an idle state, when the clamping part is in the use state, the turning plate and the pressing plate are close to each other, and two ends of the limiting piece are respectively connected with the turning plate and the pressing plate so as to limit the turning plate and the pressing plate to rotate; when the device is in an idle state, two ends of the limiting part are respectively disconnected with the turning plate and the pressing plate, and the turning plate and the pressing plate can rotate freely.

3. The hollow-spindle-equipped turning apparatus according to claim 2, further comprising at least one turning driving mechanism with a locking function, the turning driving mechanism being installed at any one of the cranes to drive the corresponding turning jig to rotate.

4. The turning device with the gear hollow shaft according to claim 3, wherein the turning driving mechanism comprises a driving motor, a driving gear, a rotary support and a driven gear, the driving motor is a servo motor with a self-locking mechanism, the driving motor is fixedly arranged on the corresponding lifting frame, the driving gear is in driving connection with an output shaft of the driving motor, an inner ring of the rotary support is fixedly arranged on one side of the lifting frame, the driven gear is fixedly arranged with an outer ring of the rotary support and in meshed transmission with the driving gear, and the rotating wheel is fixedly connected with the outer ring of the rotary support.

5. The turning device with the gear hollow shaft as claimed in claim 2, further comprising at least one turning limiting component mounted on any one of the lifting frames to limit the turning fixture on the corresponding lifting frame to rotate, wherein the turning limiting component comprises a limiting mounting seat, a limiting pin and a limiting driving part, the limiting mounting seat is fixedly mounted on the corresponding lifting frame and is provided with a through hole, the limiting pin can movably penetrate through the through hole, two opposite ends of one side of the rotating wheel close to the lifting frame are both provided with limiting holes, and the limiting driving part is in driving connection with the limiting pin to drive the limiting pin to penetrate through the through hole to be matched with the limiting holes for limiting.

6. A turning apparatus with a geared hollow shaft according to claim 1, wherein the frame comprises a base and two uprights, a lifting space being formed between the two uprights, the lifting frame being movably mounted to the lifting space.

7. The turning device with the geared hollow shaft as claimed in claim 6, wherein the lifting frame comprises a frame body, guide wheels and limit wheels, each upright column is provided with an inner side facing the lifting interval and an outer side opposite to the inner side, a vertically arranged limit groove and a vertically arranged guide slide rail are formed on the inner side, the frame body is movably arranged in the lifting interval, the guide wheels and the limit wheels are rotatably arranged on the frame body, the guide wheels and the guide slide rail are arranged in a rolling fit manner, and the limit wheels are correspondingly arranged in the limit grooves.

8. A tipping arrangement with a geared hollow shaft as claimed in claim 6, wherein the lifting drive mechanism comprises a sprocket lifting motor, a sprocket, a chain and a chain hanger, the sprocket lifting motor is mounted on the upper end of the upright post, the sprocket is drivingly connected to the output end of the sprocket lifting motor, one end of the chain is connected to the lifting frame through the chain hanger, and the other end of the chain is cooperatively connected to the sprocket.

9. A hollow-spindle-equipped tilter as claimed in claim 8, wherein said elevation drive mechanism further comprises a plurality of idler wheels and a tensioner weight, one end of said chain near said sprocket wheel being connected to said tensioner weight by passing around said sprocket wheel, and a plurality of said idler wheels being mounted in close proximity to said chain.

10. A hollow wheeled inversion apparatus as claimed in claim 6, wherein the base has leveling bolts mounted to the bottom thereof.