CN221049708U - Turnover transport vehicle applied to large-size optical fiber preform - Google Patents

Abstract

The utility model belongs to the technical field of optical fiber preform manufacturing, and can be popularized and applied to the field of logistics transportation of certain longer, heavier and vulnerable cylindrical workpieces. In particular to a turnover transport vehicle applied to large-size optical fiber preforms, which mainly comprises a vehicle body underframe, a fixed bracket, a lifting bracket, a turnover frame, a limiting guide rail and the like. The utility model conveniently and assisted to realize the vertical or horizontal suspension state of certain longer, heavier and vulnerable cylindrical workpieces from one process or place by switching different forms, is convenient, efficient and safe, stably transfers to another process or place, and again assisted to realize the vertical or horizontal suspension state for continuous taking or storage and transportation of the next link.

Description

Turnover transport vehicle applied to large-size optical fiber preform

Technical Field

The utility model belongs to the technical field of production and manufacturing of optical fiber preforms, and particularly relates to a turnover transport vehicle applied to large-size optical fiber preforms.

Background

In recent years, with the rapid increase of optical fiber demand caused by the continuous development of global communications industry, the field of optical fiber preforms is rapidly developed and competing more and more, in order to increase the production efficiency of optical fiber drawing and further reduce the manufacturing cost of optical fiber production, optical fiber preforms as production optical fiber base materials are gradually developed in a large-size direction, and the large-size optical fiber preforms are also newly required for various production facilities. The longitudinal wire drawing, stretching, shrinking, heat preservation, tapering, acid cleaning and the like, the horizontal detection, cutting, welding and the like are all indispensable important working procedures in the manufacturing process of the optical fiber preform, so that the problem that the optical fiber preform is transported conveniently, efficiently and safely under various limitations of channels in factories and workshops due to the fact that the large-size optical fiber preform does not need to be transported, turned over and put on and off in different working procedures is solved.

Two types of transfer vehicles are mainly used in the prior art, one is a fixed transfer vehicle, the other is a transfer vehicle with a turnover function, the transfer vehicle is matched with a manipulator, a lifting device or a clamping device at the beginning and the end, and finally, the transfer of an optical fiber preform from a vertical or horizontal suspension state of a certain process or place to another process or place is realized, and the vertical or horizontal suspension state is presented again.

However, the above-mentioned prior art transfer vehicles all have certain defects, such as the above-mentioned fixed transfer vehicle is horizontal semi-open structure, not only lacks the protection to the exposed outside part of work piece, and when the work piece that completely level placed is heavier longer, or has longer time, or avoid not having from the upper and lower vibrations etc. of ground transmission when transporting, all very easily take place bow deformation to the collimation of work piece has been broken, and most importantly this kind of transfer vehicle can only be accessed horizontally, and it is comparatively limited to use. And the transfer trolley with the overturning function can be horizontally and vertically overturned, but the upper half part of the prefabricated rod workpiece is exposed outside, necessary protection is lacking, meanwhile, the vertical hoisting and storage are only realized, the application is limited, when the workpiece is longer and heavier in size, and when the ground is inclined, the whole gravity center is higher, rollover is easy to occur, the workpiece and personnel are damaged, and certain potential safety hazard exists.

Disclosure of utility model

The utility model aims to solve the technical problems that: aiming at the defects of the prior art, the turnover transport vehicle applied to the large-size optical fiber preform is provided, and the large-size optical fiber preform can be turned and transported conveniently, efficiently, safely and stably among various procedures.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

The turnover transport vehicle for transporting the prefabricated rod workpieces 26 mainly comprises a vehicle body underframe 5, a fixed bracket 3, a lifting bracket 11, a turnover frame and a limit guide rail 21; the fixed bracket 3 and the lifting bracket 11 are respectively and fixedly connected to the front end and the rear end of the vehicle body underframe 5, the roll-over stand comprises a fixed frame 12 and a movable frame 14 with the same structure, the bottom of the fixed frame 12 is rotatably connected to the upper portion of the fixed bracket 3 through a rotating shaft 4, the movable frame 14 is hinged to the side portion of the fixed frame 12 through a hinge 27, and the limit guide rail 21 is fixed to the ground through an expansion bolt.

Preferably, the front end bottom supporting leg of the vehicle body underframe 5 is provided with the directional wheel 2, the rear end bottom supporting leg is provided with the universal wheel 6, and the rear end bottom supporting leg is in a splayed structure.

Preferably, the fixing bracket 3 is welded on a front side frame at the front end of the vehicle body underframe 5, a spring pin limiting bracket 28 for limiting the opening and closing angle of the movable frame 14 relative to the fixed frame 12 is arranged at the upper part of the front side frame, and a spring pin limiting support 1 for limiting the overturning angle of the fixed frame 12 relative to the vehicle body underframe 5 is arranged at the lower part of the front side frame.

Preferably, the lifting bracket 11 is assembled in a chute 8 installed at the rear end of the chassis 5, and can slide up and down along the chute 8, and a spring latch 7 for limiting the relative position of the lifting bracket 11 and the chute 8 is arranged at the side of the chute 8.

Preferably, the cushion pad 9 is mounted on the bearing cross bars of the fixing bracket 3 and the lifting bracket 11, and two sides of the cushion pad 9 are provided with limiting blocks 10.

Preferably, a clamping support 18 matched with a customized clamping support 23 on the prefabricated rod workpiece 26 is arranged at the bottom of the roll-over stand, and a first embracing support 15, a second embracing support 16 and a third embracing support 17 matched with a customized embracing 24 on the prefabricated rod workpiece 26 are sequentially arranged at the upper part of the clamping support 18 from top to bottom; the bottom of the roll-over stand is provided with a hanging ring 13.

Preferably, the side of the movable frame 14 is fixedly provided with a lock rod 19 and a snap ring 20, and the side of the fixed frame 12 is fixedly provided with a lock column and a lock catch which are matched with the lock rod 19 and the snap ring 20.

Preferably, the side parts of the limit guide rail 21 are provided with proximity switches 22 at positions corresponding to the upper rod station, the lower rod station and the overturning station.

Preferably, the sliding groove 8, the limiting block 10, the clamping support 18, the first holding ring support 15, the second holding ring support 16 and the third holding ring support 17 are all detachable structures, and are made of Teflon materials.

Compared with the prior art, the utility model has the following main advantages:

1. The transport vehicle provided by the utility model can freely select the transport postures (various postures such as horizontal, vertical, inclined and the like) of the large-size optical fiber preform according to the actual working condition requirements, flexibly store, fetch and transport, reduce and reduce the number and requirements of hoisting auxiliary equipment, improve the fault tolerance of optical fiber preform transport and greatly reduce the production cost;

2. The transport vehicle provided by the utility model can ensure that large-size optical fiber preforms are stably and firmly limited and comprehensively protected in the transport process, has a certain rollover prevention capability on an up-down slope, increases the transport trafficability, greatly reduces the risk of collision and damage of the optical fiber preforms in the transport process, can easily adapt to the optical fiber preforms with different outer diameter specifications only by replacing a Teflon supporting plate and a holding ring with lower cost, has simple and quick replacement process, improves the equipment efficiency and reduces the equipment use cost;

3. The utility model has lower manufacturing cost, stronger universality, can be popularized and applied to the logistics transportation field of most longer, heavier and vulnerable cylindrical workpieces, and has higher application and popularization values.

Drawings

FIG. 1 is a schematic front view of a turnover transport vehicle according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a reverse side of a roll-over transporter in accordance with an embodiment of the present utility model;

FIG. 3 is a schematic illustration of horizontal transport of a preform workpiece in an embodiment of the present utility model;

FIG. 4 is a schematic view of transport of a preform workpiece in an inclined position in accordance with an embodiment of the present utility model;

FIG. 5 is a schematic view of vertical transport of a preform workpiece in an embodiment of the utility model.

In the figure, the device comprises a 1-spring pin limiting support, a 2-directional wheel, a 3-fixed bracket, a 4-rotating shaft, a 5-vehicle body underframe, a 6-universal wheel, a 7-spring bolt, an 8-sliding groove, a 9-buffer pad, a 10-limiting block, an 11-lifting bracket, a 12-fixed frame, a 13-lifting ring, a 14-movable frame, a 15-first holding ring, a 16-second holding ring, a 17-third holding ring, a 18-clamping bracket, a 19-locking rod, a 20-lap ring, a 21-limiting guide rail, a 22-proximity switch, a 23-custom clamping bracket, a 24-custom holding ring, 25-other preform accessories, 26-preform workpieces, 27-hinges and a 28-spring pin limiting support.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

It should be noted that each step/component described in the present utility model may be split into more steps/components, or two or more steps/components or part of operations of the steps/components may be combined into new steps/components, according to the implementation needs, to achieve the object of the present utility model.

In a first embodiment, the present embodiment provides a turnover transport vehicle applied to a large-sized optical fiber preform, as shown in fig. 1 to 2, mainly including a vehicle body chassis 5, a fixed bracket 3, a lifting bracket 11, a turnover frame (including a fixed frame 12, a movable frame 14) and a limit rail 21. The fixed bracket 3 and the lifting bracket 11 are respectively integrated at the front and rear of the chassis 5 of the vehicle body, the roll-over stand is matched with the fixed bracket 3 through the rotating shaft 4, and the limit guide rail 21 is fixed on the ground through expansion bolts.

Further, a group of directional wheels 2 are respectively installed on the two front supporting legs of the vehicle body underframe 5, a group of universal wheels 6 are respectively installed on the two rear supporting legs, the structure of the rear supporting legs is splayed outwards, rollover of the transport vehicle when passing through a slope bump road surface can be effectively prevented, the gravity center of the vehicle body underframe is designed to be lower, and the position is relatively rear, so that additional counterweights are not needed in the whole form change process of the transport vehicle.

A fixing bracket 3 is welded above the front side frame of the vehicle body underframe 5 and is mainly used for supporting the roll-over stand and the integrated rotating shaft 4. A spring pin limiting bracket 28 is fixed on the right bearing cover plate above the front side frame through a screw, and the spring pin can be inserted into a limiting hole on the movable frame 14 of the roll-over frame and used for locking the movable frame when the roll-over frame is opened to a 90-degree position when the bar is taken in the vertical direction, so that collision and interference caused by the swing of the movable frame back and forth in the movement process of the transport vehicle are avoided. The left leg and the right leg below the front side frame are respectively welded with a spring pin limiting support 1, and the spring pins can be respectively inserted into limiting holes preset at the left side and the right side of the roll-over stand and used for realizing the locking of the roll-over stand in a vertical state.

A group of Teflon sliding grooves 8 are respectively fixed in the left and right frames at the rear side of the car body underframe 5 by screws, the lifting bracket is assembled in the sliding grooves, and two supporting legs of the lifting bracket slide up and down in the sliding grooves so as to realize that the roll-over stand can be supported by the inclination of different angles in the transportation process, so as to reduce bow deformation of the optical fiber perform rod, and the detachable Teflon sliding grooves 8 realize the smoothness of the sliding of the lifting bracket and are easier to replace after abrasion. The two sides of the rear side frame of the vehicle body underframe are respectively provided with a spring bolt 7, and the spring bolts can be respectively inserted into limit holes on two supporting legs of the lifting bracket to realize the positioning of the lifting bracket 11 at different height positions relative to the vehicle body underframe 5.

Further, a cushion pad 9 is mounted on the bearing cross bar on one side of the fixing bracket 3, so as to play a role in buffering when the roll-over stand is supported in a horizontal position, and protect the prefabricated rod workpieces 26 in the transportation process. Teflon limiting blocks 10 are arranged on two sides of the cross rod, and the purpose is to limit left-right displacement or shaking of the roll-over stand so as to realize stability in the transportation process of the prefabricated rod workpieces 26. The other side of the fixed bracket 3 is welded with a bearing seat, a bearing, a rotating shaft 4 and the like are arranged in the bearing seat, and the turnover frame is matched with the fixed bracket through the rotating shaft to realize the rotation of the turnover frame on the vehicle body underframe 5 around the rotating shaft, and finally, the turnover frame is in various forms such as horizontal, vertical, inclined and the like.

Furthermore, the cushion pads 9 are also installed on the two bearing cross bars of the lifting bracket 11, the Teflon limiting blocks 10 are installed on two sides of the cross bars, and the purpose is the same as that of the fixing bracket 3, and the purpose is respectively used for buffering the upper and lower directions of the roll-over stand and limiting the left and right directions in the transportation process, so that the transported prefabricated rod workpieces 26 are finally protected. The two supporting legs of the lifting bracket 11 are respectively provided with a positioning hole, and as described above, the lifting bracket 11 is matched with the spring bolts 7 on the two sides of the rear side frame of the vehicle body underframe, so that the lifting bracket 11 is positioned at different height positions relative to the vehicle body underframe 5.

Further, the roll-over stand comprises a fixed stand 12 and a movable stand 14, which have the same structure and are symmetrically arranged, and are connected through a hinge 27, the fixed stand 12 can only rotate around the rotating shaft 4 on the car body underframe 5, and the movable stand 14 can also rotate around the connecting hinge 27 between the fixed stand 12 to be locked by 90 degrees, even 180 degrees are completely split. Three groups of holding rings (15, 16 and 17) made of Teflon material and a group of clamping holders 18 are respectively and fixedly arranged in the roll-over stand by screws, and the holding rings can be customized according to the specification of a workpiece and can be quickly replaced (such as a customized holding ring 24). The three groups of clasps are used for radially limiting the prefabricated rod workpieces at different axial positions, and the clamping support 18 is used for axially limiting and supporting the bottoms of the prefabricated rod workpieces. The middle position outside the roll-over stand is provided with a set of locking device, the movable parts (such as a lock rod 19 and a snap ring 20) of the locking device are respectively and fixedly arranged on the movable stand 14 through screws, the fixed parts (such as a lock column and a lock catch) of the locking device are respectively and fixedly arranged on the fixed stand 12 through screws, and the locking device is used for multi-point locking of the movable stand and the fixed stand at the closing position, so that the stability and the reliability of the whole structure after locking are ensured. And the top of the roll-over stand is provided with a hanging ring 13 for hanging a hanging point of hoisting equipment, so as to assist in realizing the rotation of the roll-over stand.

Further, the limit guide rail 21 is attached and fixed on the ground through an expansion bolt, so that the unity of the running track of the transport vehicle on a specific position is realized, and the auxiliary positioning of the transport vehicle is realized in the simplest mode. The front and back of the same side of the limiting guide rail are respectively provided with an upper rod station, a lower rod station and a turnover station, and a proximity switch 22 is respectively arranged for acquiring in-place signals of the stations so as to facilitate signal acquisition and logic control of a process electric control system.

The specific working principle is as follows:

The first step of bar loading is to connect the hook of the lifting device to the hanging ring 13 of the turnover frame according to actual needs, then brake the two universal wheels 6 at the rear side of the turnover transport vehicle, adjust the angle between the turnover frame and the chassis 5 of the vehicle body to a required angle, such as a completely horizontal, vertical or inclined state, then open the locking device between the fixed frame 12 and the movable frame 14, then manually turn the movable frame 14 to 90 degrees according to actual needs and site conditions and lock the movable frame by the spring pin 28, or directly turn the movable frame to 180 degrees to be completely opened, then can put the optical fiber prefabricated bar 26 or the horizontal, inclined or vertical hanging or clamping into the fixed frame 12, place and bear on the holding rings (15, 16, 17) and the clamping support 18, finally close the movable frame 14 and put the locking device on the movable frame, thus completing bar loading.

And secondly, carrying out bar conveying, namely, adjusting the turnover frame to a required or optimal angle through the assistance of a lifting device according to actual needs, then disconnecting the turnover frame from the lifting device, and loosening the brakes of two universal wheels 6 at the rear side of the turnover transport vehicle to start bar conveying, wherein the transport vehicle can not easily turn over through a plurality of slopes and a jolt road surface due to the fact that the overall gravity center of the transport vehicle is lower and the splayed design of the rear side supporting legs is adopted.

Thirdly, taking the rod, after the transport vehicle is sent to a destination, firstly realizing preliminary positioning of the transport vehicle by means of a preset limiting guide rail, then on a turnover station, adjusting the angle between the turnover frame and the vehicle body underframe 5 to a required angle according to site conditions, and realizing rod taking in a horizontal, inclined or vertical relatively optimal form, wherein the process can be described as the reverse process of the rod loading process, so that the repeated description is omitted. Finally, the device for realizing convenient, efficient and safe overturning and transporting of the large-size optical fiber preform rod among various procedures can be popularized and applied to the logistics transportation field of certain longer, heavier and vulnerable cylindrical workpieces in consideration of stronger compatibility of the structure.

Furthermore, the non-detailed description of the present application is the same as or implemented by the prior art.

To sum up:

1. The transport vehicle provided by the utility model can freely select the transport postures (various postures such as horizontal, vertical, inclined and the like) of the large-size optical fiber preform according to the actual working condition requirements, flexibly store, fetch and transport, reduce and reduce the number and requirements of hoisting auxiliary equipment, improve the fault tolerance of optical fiber preform transport and greatly reduce the production cost;

2. The transport vehicle provided by the utility model can ensure that large-size optical fiber preforms are stably and firmly limited and comprehensively protected in the transport process, has a certain rollover prevention capability on an up-down slope, increases the transport trafficability, greatly reduces the risk of collision and damage of the optical fiber preforms in the transport process, can easily adapt to the optical fiber preforms with different outer diameter specifications only by replacing a Teflon supporting plate and a holding ring with lower cost, has simple and quick replacement process, improves the equipment efficiency and reduces the equipment use cost;

3. The utility model has lower manufacturing cost, stronger universality, can be popularized and applied to the logistics transportation field of most longer, heavier and vulnerable cylindrical workpieces, and has higher application and popularization values.

The above embodiments are merely for illustrating the design concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, the scope of the present utility model is not limited to the above embodiments. Therefore, all equivalent changes or modifications according to the principles and design ideas of the present utility model are within the scope of the present utility model.

Claims (10)

1. The utility model provides a be applied to upset transport vechicle of jumbo size optical fiber perform for transport perform work piece (26), its characterized in that: comprises a vehicle body underframe (5), a fixed bracket (3), a lifting bracket (11), a roll-over stand and a limit guide rail (21); the fixed bracket (3) and the lifting bracket (11) are respectively and fixedly connected to the front end and the rear end of the chassis (5) of the vehicle body, the roll-over stand comprises a fixed frame (12) and a movable frame (14) which are identical in structure, the bottom of the fixed frame (12) is rotationally connected to the upper portion of the fixed bracket (3) through a rotating shaft (4), the movable frame (14) is hinged to the side portion of the fixed frame (12) through a hinge (27), and the limiting guide rail (21) is fixed to the ground through an expansion bolt.

2. The turnover transportation vehicle for large-sized optical fiber preforms according to claim 1, wherein: the front end bottom supporting leg of the vehicle body underframe (5) is provided with a directional wheel (2), the rear end bottom supporting leg is provided with a universal wheel (6), and the rear end bottom supporting leg is in a splayed structure.

3. The turnover transportation vehicle for large-sized optical fiber preforms according to claim 1, wherein: the fixed bracket (3) is welded on a front side frame at the front end of the vehicle body underframe (5), a spring pin limiting support (28) used for limiting the opening and closing angle of the movable frame (14) relative to the fixed frame (12) is arranged on the upper portion of the front side frame, and a spring pin limiting support (1) used for limiting the overturning angle of the fixed frame (12) relative to the vehicle body underframe (5) is arranged on the lower portion of the front side frame.

4. The turnover transportation vehicle for large-sized optical fiber preforms according to claim 1, wherein: the lifting bracket (11) is assembled in a chute (8) arranged at the rear end of the vehicle body underframe (5), and can slide up and down along the chute (8), and a spring bolt (7) used for limiting the relative position of the lifting bracket (11) and the chute (8) is arranged at the side part of the chute (8).

5. The turnover transportation vehicle for large-sized optical fiber preforms of claim 4, wherein: the cushion pad (9) is arranged on the supporting cross bars of the fixing bracket (3) and the lifting bracket (11), and limiting blocks (10) are arranged on two sides of the cushion pad (9).

6. The turnover transportation vehicle for large-sized optical fiber preforms of claim 5, wherein: the turnover frame bottom is equipped with the card support (18) with customization card support (23) looks adaptation on prefabricated stick work piece (26), just card support (18) upper portion is equipped with first embracing ring support (15), second embracing ring support (16) and third embracing ring support (17) with customization embracing ring (24) looks adaptation on prefabricated stick work piece (26) from top to bottom in proper order.

7. The turnover transportation vehicle for large-sized optical fiber preforms of claim 6, wherein: the bottom of the roll-over stand is provided with a hanging ring (13).

8. The turnover transportation vehicle for large-sized optical fiber preforms according to claim 1, wherein: the side part of the movable frame (14) is fixedly provided with a lock rod (19) and a snap ring (20), and the side part of the fixed frame (12) is fixedly provided with a lock column and a lock catch which are matched with the lock rod (19) and the snap ring (20).

9. The turnover transportation vehicle for large-sized optical fiber preforms according to claim 1, wherein: and the side parts of the limiting guide rail (21) are provided with proximity switches (22) corresponding to the positions of the rod loading and unloading stations and the overturning station.

10. The turnover transportation vehicle for large-sized optical fiber preforms of claim 6, wherein: the sliding chute (8), the limiting block (10), the clamping support (18), the first holding ring support (15), the second holding ring support (16) and the third holding ring support (17) are all detachable structures, and are made of Teflon materials.