CN212828569U

CN212828569U - Charging trolley

Info

Publication number: CN212828569U
Application number: CN202021192376.4U
Authority: CN
Inventors: 闫立兵; 江少英; 杨西虎
Original assignee: Qujing Jinglong Electronic Materials Co ltd
Current assignee: Qujing Jinglong Electronic Materials Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-03-30
Anticipated expiration: 2030-06-24

Abstract

The utility model provides a reinforced dolly for transport the charging bucket of crystal pulling furnace raw materials and reinforced, this reinforced dolly includes: the vehicle comprises a vehicle body and a vehicle body, wherein the vehicle body comprises two side frames and a main frame connected to one ends of the two side frames; the first handle is fixed on the main frame; the two bearings are respectively and fixedly arranged at the top ends of the side frames; one ends of the two pin shafts are arranged in the bearing; the fixed rotating support is used for bearing the feeding barrel, two sides of the fixed rotating support are connected to the other end of the pin shaft respectively, and the fixed rotating support can rotate around the pin shaft. According to the utility model discloses reinforced dolly can the swivelling slope for it is more convenient to feed in toward the storage bucket, improves work efficiency, and is more steady, safe, light simultaneously, and can the effectual damage that reduces the storage bucket and cause in the transportation.

Description

Charging trolley

Technical Field

The utility model relates to a single crystal transportation technical field, concretely relates to reinforced dolly.

Background

In the prior art, in the process of producing monocrystalline silicon by the Czochralski method, a rod of monocrystalline silicon needs to be fed for a plurality of times after being pulled. The charging barrel is made of quartz, so that the charging barrel is easy to break; after the materials are fed to 60kg, the temperature of the feeding barrel is higher and the weight is heavier; in the prior art, the bottom of the feeding trolley is directly made of stainless steel and has no safety guardrail, the feeding barrel is descended onto the feeding trolley, the feeding barrel is easy to collide during operation, and meanwhile, the feeding trolley does not have assistance, and the inclination of the charging barrel is more labor-consuming and is easy to cause safety accidents; in addition, the device does not have a connecting hook device, and can only transport a single barrel of material once, so that the efficiency is lower.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a reinforced dolly of low cost, efficient, mechanization.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the charging trolley comprises a trolley body, wherein the trolley body comprises two side frames and a main frame connected to one end of each side frame; the first handle is fixed on the main frame; the two bearings are respectively and fixedly arranged at the top ends of the side frames; one ends of the two pin shafts are arranged in the bearing; the fixed rotating support is used for bearing the feeding barrel, two sides of the fixed rotating support are connected to the other end of the pin shaft respectively, and the fixed rotating support can rotate around the pin shaft.

According to the utility model discloses reinforced dolly still includes:

and the gas spring is positioned below the bearing, one end of the gas spring is connected with the fixed rotating bracket, and the other end of the gas spring is connected with a main frame of the vehicle body.

Further, the fixed rotating bracket includes: a base;

a stent body, the stent body comprising:

the bottom ends of the two vertical frames are connected with the base, and the two vertical frames are respectively connected with the two pin shafts; and two ends of the cross beam are respectively connected with the two vertical frames, and one end of the gas spring is connected with one of the cross beams.

According to the utility model discloses reinforced dolly, fixed runing rest still includes:

the two connecting plates are respectively fixed on the two vertical frames, a mounting hole is formed at one end, far away from the vertical frames, of the connecting plate, and the other end of the pin shaft is mounted in the mounting hole.

First protection portion, first protection portion forms the ring shape, first protection portion connects and is located the top on the crossbeam so that the cover establish the charging bucket outside.

The second protection part is formed into a semicircular ring shape and is connected to the cross beam below the first protection part.

Further, at least the inner side walls of the first protection portion and the second protection portion are made of polytetrafluoroethylene.

Further, at least the part of the base, which is in contact with the charging barrel, is made of polytetrafluoroethylene.

Further, the fixed rotating bracket further comprises: a second handle mounted on a top cross beam of the fixed swivel bracket.

According to the utility model discloses reinforced dolly still includes: and the connecting hook is used for connecting the other charging trolley and is arranged on the trolley body.

The above technical scheme of the utility model one of following beneficial effect has at least:

according to the feeding trolley provided by the embodiment of the utility model, the feeding trolley can be directly placed under the small auxiliary chamber of the single crystal furnace, so that the labor cost is reduced, and the time is greatly shortened;

in addition, the fixed rotary support is used for bearing the charging barrel, and the charging barrel is rotated and inclined during charging, so that charging into the charging barrel is more convenient, the working efficiency is improved, and the charging barrel is more stable, safer and more portable;

furthermore, the safety guardrail is embedded with high-temperature-resistant polytetrafluoroethylene materials, the place where the safety guardrail directly contacts with the quartz barrel is made of polytetrafluoroethylene materials, so that pollution can be avoided, collision can be reduced in the process of placing and transporting the quartz barrel, and the service life of the quartz barrel is prolonged;

furthermore, rubber wheels are arranged at the bottom of the charging trolley, and a power assisting device is arranged at the back of the charging trolley to reduce the weight of the charging trolley and the weight of the charging trolley when the quartz barrel is lifted, so that the charging trolley is safer and more portable in the transportation process.

Drawings

FIG. 1 is a schematic structural view of a charging trolley according to an embodiment of the present invention;

fig. 2 is a schematic view of a transportation state and a charging state of the charging trolley according to the embodiment of the present invention, wherein (a) shows a schematic view of the transportation state of the charging trolley, and (b) shows a schematic view of the charging state of the charging trolley;

fig. 3 is a top view of the feeding trolley according to the embodiment of the present invention.

Reference numerals:

1. a vehicle body; 2. fixing the rotating bracket; 3. connecting a hook; 4. a pin shaft; 5. a gas spring; 6. a bearing; a first handle 7; a first protection portion 8; a second protection portion 9; a second handle 10; a base 11; a cross beam 12; a mullion 13; a connecting plate 14.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

The following first describes the charging trolley according to the embodiment of the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 3, the charging trolley according to the embodiment of the present invention includes: the device comprises a vehicle body 1, a first handle 7, a bearing 6, a pin shaft 4 and a fixed rotating bracket 2.

The vehicle body 1 comprises two side frames and a main frame connected to one ends of the two side frames. That is, the vehicle body includes a frame with three sides connected end to end, and the front side is in an open state so as to facilitate taking and placing the charging bucket. In addition, the side frame and the main frame can be made of stainless steel materials so as to increase the rigidity and the durability of the side frame and the main frame, and the bottom of the car body can be provided with rubber wheels so as to facilitate the movement of the charging car and further improve the safety factor and the stability of the charging car. Further, the vehicle body 1 may further include a reinforcing rib connecting bottom ends of the two side frames at the front surface to improve rigidity of the vehicle body.

The first handle 7 is fixed on the main frame, so that a user can conveniently push the charging trolley.

Two bearings 6 are respectively and fixedly arranged at the top ends of the side frames, and one ends of the two pin shafts 4 are arranged in the bearings 6. The two sides of the fixed rotating bracket 2 are respectively connected to the other end of the pin shaft 4 and can rotate around the pin shaft 4. The fixed rotary bracket 2 is used for bearing the charging bucket, and when the charging trolley is in a transportation state, the fixed rotary bracket 2 is kept vertical, so that the charging bucket kept in the fixed rotary bracket 2 is vertical; and when the charging trolley is in the charging state, the fixed rotating frame 2 may be rotated to a predetermined angle, for example, to 45 °, thereby tilting the charging bucket held in the fixed rotating frame 2 to 45 °. Through this fixed runing rest 2, the dolly can slow steady motion perpendicularly relapseing operation in-process in the slope, and fine solution adds the inconvenient problem of material in the charging bucket under the tilt state, enables the steady slow charging bucket of material moreover in, avoids the material piece to strike and pounces the charging bucket, has increased charging bucket life.

According to the embodiment of the utility model, the charging trolley can also comprise a gas spring 5 as shown in fig. 1 to 3. The gas spring 5 is positioned below the bearing 6, one end of the gas spring 5 is connected with the fixed rotating bracket 2, and the other end is connected with the main frame of the vehicle body 1. The gas spring 5 is connected with the fixed rotating support 2, so that the fixed rotating support 2 can be conveniently and laborsavingly switched between a vertical device and an inclined device, and can be kept fixed in an inclined state, and the convenience and the safety of the charging trolley are improved.

Further, the fixed rotating bracket 2 includes a base 11 and a bracket main body (not shown). Wherein the base 11 is used for bearing the charging barrel. The support main body (not shown) comprises two vertical frames 13 and at least one cross beam 12, the bottom ends of the two vertical frames 13 are connected with the base 11, and the two vertical frames 13 are respectively connected with two pin shafts 4; two ends of the beam 12 are respectively connected with two vertical frames, and one end of the gas spring 5 is connected with one beam 12. Here, the specific position of the cross member 12 to which the gas spring 5 is connected may be set in consideration of the rotation angle of the fixed rotation bracket 2 in the opened state. The vertical frames 13 and the cross beams 12 are fixedly connected to form the fixed rotating bracket 2, so that the rigidity and stability of the fixed rotating bracket can be ensured. Wherein the cross beam 12 also functions as a reinforcement. It should be noted that the cross beam 12 may be provided with a plurality of spaced-apart beams, so as to further improve the strength thereof.

Further, the fixed rotating bracket 2 includes two connecting plates 14.

Two connecting plates 14 are fixed respectively on two muntin 13, and connecting plate 14 keeps away from muntin 13 one end and is formed with the mounting hole, and the other end of round pin axle 4 is installed in the mounting hole, has further improved the stability and the security that fixed runing rest 2 and round pin axle 4 are connected.

Further, the fixed rotating bracket 2 further includes: the first protection portion 8. The first protective part 8 is formed in a ring shape, and is attached to a cross member at the top so as to be fitted over the outside of the charging bucket. The first protection portion 8 of annular shape and the cross-sectional shape adaptation of charging bucket have avoided colliding with of charging bucket in the transportation, have increased the life of charging bucket.

Further, the fixed rotating bracket 2 may further include: and a second protection portion 9. The second protection portion 9 forms into semicircle ring shape, and its connection is located on the crossbeam of 8 below in first protection portion, design for the stability of semi-circular ring shape guaranteed the charging bucket, be difficult for colliding with.

Further, at least the inner side walls of the first protection part 8 and the second protection part 9 are made of polytetrafluoroethylene. That is, at least the portion in contact with the charging barrel is made of polytetrafluoroethylene, whereby the cleanliness of the charging barrel can be further improved.

Similarly, at least the contact part of the base 11 and the charging barrel is made of polytetrafluoroethylene, so that the charging barrel is prevented from being in direct contact with stainless steel, and the service life of the charging barrel is prolonged.

Further, the fixed rotating bracket 2 further includes a second handle 10. The second handle 10 is mounted on the top cross beam of the fixed rotating bracket 2 and helps to maintain the fixed rotating bracket 2 in a tilted state during charging.

As shown in fig. 1 to 3, the charging trolley according to the embodiment of the present invention further includes a connecting hook 3. The connecting hook 3 is arranged on the vehicle body 1 and is used for connecting another charging trolley, and multiple barrels of materials can be operated simultaneously, so that the efficiency is improved. As for the specific installation position of the connecting hook 3, for example, as shown in fig. 3, the connecting hook may be installed on a front end (end away from the handle) frame of the side frame of the vehicle body 1, or may be installed on a rear end (end close to the handle) frame of the side frame of the vehicle body 1, as long as the charging trolley can be connected.

The charging process using the charging cart is described below with reference to fig. 1-3.

As a specific embodiment, firstly, the charging bucket is vertically placed in the fixed rotating bracket 2 through the first protection part 8 and the second protection part 9 respectively during charging, and the charging bucket is fixed by the second protection part 9; then, the second handle 10 is held to enable the fixed optional mounting support 2 to rotate to 45 degrees, materials are added into the charging barrel stably and slowly, the charging barrel is prevented from being knocked by the materials, and after the materials are added, the second handle 10 is held to enable the solid rotating support 2 to be perpendicular. A first handle 7 on the manual operation moving trolley body 1 pushes the trolley to move gently, and the connecting hook 3 is used for connecting another charging trolley, so that multiple barrels of materials can be operated simultaneously, and the working efficiency is improved.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A charging trolley for transporting a charging bucket of raw material for a crystal pulling furnace and charging the raw material, comprising:

the vehicle comprises a vehicle body and a vehicle body, wherein the vehicle body comprises two side frames and a main frame connected to one ends of the two side frames;

the first handle is fixed on the main frame;

the two bearings are respectively and fixedly arranged at the top ends of the side frames;

one ends of the two pin shafts are arranged in the bearing;

the fixed rotating support is used for bearing the feeding barrel, two sides of the fixed rotating support are connected to the other end of the pin shaft respectively, and the fixed rotating support can rotate around the pin shaft.

2. The charging trolley according to claim 1, further comprising:

3. The loading trolley according to claim 2, characterized in that said fixed rotating support comprises:

a base;

a stent body, the stent body comprising:

the bottom ends of the two vertical frames are connected with the base, and the two vertical frames are respectively connected with the two pin shafts;

and two ends of the cross beam are respectively connected with the two vertical frames, and one end of the gas spring is connected with one of the cross beams.

4. The loading trolley according to claim 3, characterized in that said fixed rotating support further comprises:

5. The loading trolley according to claim 3, characterized in that said fixed rotating support further comprises:

6. The loading trolley according to claim 5, characterized in that said fixed rotating support further comprises:

7. The charging trolley according to claim 6, characterized in that at least the inner side walls of said first and second protection portions are made of polytetrafluoroethylene.

8. The charging trolley according to claim 3, characterized in that at least the part of the base that is in contact with the charging bucket is made of polytetrafluoroethylene.

9. The loading trolley according to claim 3, characterized in that said fixed rotating support further comprises:

a second handle mounted on a top cross beam of the fixed swivel bracket.

10. The charging trolley according to claim 1, further comprising:

and the connecting hook is used for connecting the other charging trolley and is arranged on the trolley body.