CN218750954U - Crystal bar transport vehicle - Google Patents

Abstract

The utility model discloses a crystal bar transport vechicle, crystal bar transport vechicle includes: a frame; the supporting table extends along a first direction and comprises two supporting tables which are arranged at intervals along a second direction; a first elastic member connected between the support table and the frame so that the support table is movable in the second direction with respect to the frame; the vibration reduction bracket comprises a plurality of vibration reduction brackets which are respectively arranged on the two supporting tables, and the vibration reduction brackets are constructed to be suitable for lifting a crystal bar and reducing vibration of the crystal bar. According to the utility model discloses a crystal bar transport vechicle through first elastic component and the damping bracket that sets up on the frame, can increase the damping effect, reduces the vibration range, and then realizes the damping protection to the crystal bar, reduces the damage that the crystal bar arouses because of the vibration in the transportation.

Description

Crystal bar transport vehicle

Technical Field

The utility model belongs to the technical field of the crystal bar transportation technique and specifically relates to a crystal bar transport vechicle is related to.

Background

After crystal pulling of the crystal growing furnace is finished, the crystal bar needs to be transferred to a cutting and rolling workshop from a dust-free chamber for carrying out a stage, but at present, a special transfer tool does not exist, and the crystal bar can only be transferred by a bar taking vehicle. Because the distance from the dust-free room to the cutting workshop is long, the transfer time is long, and the rod taking vehicle jolts if the road surface is uneven, so that the risk of crystal rod fracture is caused. Meanwhile, the service life of the crystal bar is also reduced by using the bar taking vehicle for transporting the crystal bar for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a crystal bar transport vechicle, the crystal bar transport vechicle can increase the damping effect, reduces the vibration range, and then realizes the damping protection to the crystal bar, reduces the crystal bar and because of the damage that the vibration arouses in the transportation, simultaneously, can carry out bearing, transportation to the crystal bar of equidimension not, improves the applicability.

According to the utility model discloses a crystal bar transport vechicle, include: a frame; the supporting table extends along a first direction and comprises two supporting tables which are arranged at intervals along a second direction; a first elastic member connected between the support table and the frame so that the support table is movable in the second direction with respect to the frame; the vibration reduction bracket comprises a plurality of vibration reduction brackets which are respectively arranged on the two supporting tables, and the vibration reduction brackets are constructed to be suitable for lifting a crystal bar and reducing vibration of the crystal bar.

According to the utility model discloses a crystal bar transport vechicle through first elastic component and the damping bracket that sets up on the frame, can increase the damping effect, reduces the vibration range, and then realizes the damping protection to the crystal bar, reduces the damage that the crystal bar arouses because of the vibration in the transportation. Simultaneously, two brace tables that the interval was arranged are mobile in the second direction for the carriage, can make the damping bracket inject different lift spaces, and then can carry out bearing, transportation to the crystal bar of equidimension not, improve the applicability of crystal bar transport vechicle.

According to some embodiments of the present invention, the supporting platform is movable between a first position and a second position relative to the frame, the frame is provided with a first locating part and a second locating part, the supporting platform is in the first position and the first locating part butt, the supporting platform is in the second position and the second locating part butt.

According to some embodiments of the utility model, be equipped with the guiding hole that extends along the second direction on the brace table, be equipped with the guide bar on the frame, the guide bar is worn to locate in the guiding hole, first elastic component is first spring, first spring housing is established on the guide bar.

According to some embodiments of the invention, the damping bracket comprises: the base is connected with the supporting platform; the lifting piece is arranged on the base and is suitable for being in contact with the crystal bar so as to support the crystal bar; the second elastic piece is connected between the base and the lifting piece, so that the lifting piece can move up and down relative to the base.

According to some embodiments of the utility model, the piece is circular shape cylinder for the cross-section lifts, the damping bracket still includes the support, the support passes through the second elastic component is located on the base, it rotationally locates along horizontal axis to lift on the support.

According to some embodiments of the utility model, the piece of lifting is the solid of revolution, the generating line of the outer peripheral face of lifting is along radial outside bellied pitch arc.

According to some embodiments of the invention, the damping bracket further comprises: the guide shaft is vertically arranged, the support is rotatably arranged on the base through the guide shaft, a limiting groove is formed in the base, the lower end of the support extends into the limiting groove, and the side wall of the limiting groove is suitable for being abutted to the support to limit the rotation angle of the support relative to the base.

According to some embodiments of the present invention, the limiting groove extends along a first direction, in which the width of the limiting groove is gradually reduced and then gradually increased.

According to some embodiments of the utility model, the lateral wall of spacing recess includes first extension section and the second extension section that links to each other in order along first direction, first extension section with the second extension section is the plane, just first extension section with the second extension section with the contained angle of first direction is 8 to 15.

According to the utility model discloses a some embodiments, be equipped with the spout on the base, the base passes through the spout is followed first direction slidable locates on the brace table, be equipped with on the brace table along a plurality of first location portions of first direction interval arrangement, be equipped with second location portion on the base, second location portion can with any first location portion cooperation is in order to fix a position the damping bracket.

According to some embodiments of the utility model, the crystal bar transport vechicle still includes: the blowing and cooling mechanism is arranged on the frame and provided with an air blowing opening facing the crystal bar.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a top view of a crystal bar transport cart according to an embodiment of the present invention;

fig. 2 is a side view of a crystal bar transporting vehicle according to an embodiment of the present invention;

FIG. 3 is an enlarged view of the area circled at A in FIG. 1;

FIG. 4 is a schematic view of the vibration dampening bracket shown in FIG. 1;

FIG. 5 is a schematic view of another angle of the shock bracket shown in FIG. 1;

FIG. 6 is a schematic view of yet another angle of the vibration dampening bracket shown in FIG. 1.

Reference numerals:

100. a crystal bar transport vehicle;

10. a frame; 11. a first limit piece; 12. a second limiting member;

20. a support table; 21. a guide bar;

30. a first elastic member;

40. a vibration damping bracket; 41. a base; 411. a limiting groove; 4111. a first extension section; 4112. a second extension section; 412. a chute; 42. a lifting member; 43. a second elastic member; 44. a support; 45. a guide shaft;

50. a wheel;

60. a handle.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

An ingot transport cart 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 6.

According to the utility model discloses a crystal bar transport vechicle 100, as shown in fig. 1, crystal bar transport vechicle 100 includes: frame 10, support base 20, first elastic member 30 and damping bracket 40.

Specifically, the support table 20 extends along a first direction (e.g., a front-to-back direction shown in fig. 1) and includes two support tables arranged at intervals along a second direction (e.g., a left-to-right direction shown in fig. 1); a first elastic member 30 connected between the support stand 20 and the frame 10 so that the support stand 20 is movable in a second direction (e.g., a left-to-right direction as viewed in fig. 1) with respect to the frame 10; the damping bracket 40 includes a plurality of damping brackets 40, the plurality of damping brackets 40 being respectively provided on the two support tables 20, the plurality of damping brackets 40 being configured to support and damp the ingot.

The frame 10 is formed by welding stainless steel pipes, and provides a mounting platform and rigid support for the support platform 20, the first elastic piece 30 and the damping bracket 40 arranged on the frame 10; first elastic component 30 one end and frame 10 butt, the other end and brace table 20 butt make two relative frame 10 of brace table 20 movable in the second direction under the effect of force, and then can be through controlling the interval between two brace tables 20, make damping bracket 40 that sets up on brace table 20 realize bearing the crystal bar of not unidimensional, simultaneously, the straight-line distance of damping bracket 40 on two brace tables 20 in the second direction is less than the diameter of crystal all the time. In addition, during the transportation process, the first elastic element 30 can reduce the vibration of the frame 10 on the support table 20, so as to reduce the influence of the vibration of the frame 10 on the ingot; meanwhile, the vibration reduction bracket 40 also has a vibration reduction effect on the crystal bar, so that the vibration reduction effect can be improved, the vibration amplitude is reduced, the vibration reduction protection is realized on the crystal bar, and the damage to the crystal bar caused by vibration in the transportation process is reduced.

Further, the ingot transport cart 100 further comprises a plurality of wheels 50, the plurality of wheels 50 are arranged at the bottom of the frame 10 at intervals, and at least a part of the plurality of wheels 50 is a universal wheel and a part of the plurality of wheels is a directional wheel.

After the crystal bar grows, the crystal bar needs to be transferred from the dust-free chamber to the cutting chamber through the crystal bar transport cart 100 for cutting treatment, the crystal bar transport cart 100 is moved to a specified position through the universal wheels, and then the crystal bar transport cart 100 is fixed through the orientation wheels and is fixed at the specified position without deviation. The two support platforms 20 of the crystal bar transport cart 100 are provided with a plurality of damping brackets 40, a lifting space is limited under the action of the first elastic piece 30, the crystal bar on the crystal bar taking cart is horizontally placed in the lifting space formed by the damping brackets 40, the surface of the equal-diameter part of the crystal bar is in contact with the damping brackets 40, the damping brackets 40 provide an upward supporting force for the crystal bar, the crystal bar is supported, the crystal bar can be fixedly supported on the damping brackets 40, and then the crystal bar is transferred.

When transporting the crystal bar of different diameter sizes, can utilize the effect of external force to compress first elastic component 30 through the diameter size of crystal bar, and then promote brace table 20 and to the both sides motion, change the bearing space of damping bracket 40, also can utilize the gravity of crystal bar self to promote brace table 20 and move to both sides, compress first elastic component 30, and then change the bearing space that can of damping bracket. The first elastic element 30 can be kept at the current compression position under the action of the gravity of the crystal bar so as to realize stable support of the crystal bar; a limiting device can also be arranged on one side of the support platform 20 facing the first elastic part 30, so that the lifting space formed by the damping bracket 40 is matched with the crystal bar, and the stable support of the crystal bar is realized.

According to the utility model discloses a crystal bar transport vechicle 100, through first elastic component 30 and the damping bracket 40 that sets up on frame 10, can increase the damping effect, reduce the vibration range, and then realize the damping protection to the crystal bar, reduce the damage that the crystal bar arouses because of the vibration in the transportation. Simultaneously, two brace tables 20 that the interval was arranged are mobile in the second direction for frame 10, can make damping bracket 40 inject different lift spaces, and then can carry out bearing, transportation to the crystal bar of equidimension not, improve crystal bar transport vechicle 100's applicability.

According to some embodiments of the present invention, as shown in fig. 3, the supporting platform 20 is movable between a first position and a second position relative to the frame 10, the frame 10 is provided with a first limiting member 11 and a second limiting member 12, the supporting platform 20 abuts against the first limiting member 11 at the first position, and the supporting platform 20 abuts against the second limiting member 12 at the second position.

Wherein, the first position is an initial position, a minimum crystal bar supporting space is defined between the two supporting platforms 20, so that the produced crystal bar with the minimum size can be directly received; the second position is any position between the frame 10 and the support table 20, and the second position can be limited according to the size of the crystal bar, so that the crystal bars with different sizes can be supported and transported.

In the first position, the support tables 20 abut against the first limiting members 11 under the action of the first elastic members 30, a support range is defined between the two support tables 20, the ingot is supported on the vibration reduction bracket 40 under the action of the first elastic members 30, and at this time, the gravity action of the ingot is smaller than the action force of the first elastic members 30 arranged at the two sides on the support tables 20; when the gravity of the ingot is greater than the acting force of the first elastic element 30 on the supporting platform 20, the supporting platform 20 approaches the frame 10 under the gravity of the ingot, the supporting platform 20 abuts against the second limiting element 12, the second limiting element 12 prevents the supporting platform 20 from continuing to move, and further prevents the ingot from continuing to slide downwards, so that the stable support of the vibration reduction bracket 40 on the ingot is realized.

For example, as shown in fig. 3, the first limiting member 11 and the second limiting member 12 are disposed on two sides of the supporting platform 20 in the second direction, the first limiting member 11 is located on a side of the supporting platform 20 away from the frame 10, the second limiting member 12 is located on a side of the supporting platform 20 close to the frame 10, and the first limiting member 11 and the second limiting member 12 are both multiple and symmetrically disposed. The positions of the first limiting member 11 and the second limiting member 12 can be set according to the size and the dimension of the ingot.

According to some embodiments of the present invention, as shown in fig. 3, a guide hole extending along the second direction is provided on the supporting table 20, a guide rod 21 is provided on the frame 10, the guide rod 21 is inserted into the guide hole, the first elastic member 30 is a first spring, and the first spring is sleeved on the guide rod 21. The two ends of the guide rod 21 are fixedly connected with the left side and the right side of the frame 10, and the guide rod 21 can be a rod with smooth surface and certain strength, so that the support table 20 can move directionally along the guide rod 21; meanwhile, the first spring is sleeved on the guide rod 21, and the guide rod 21 also plays a role in guiding the first spring, so that the first spring can move directionally along the guide rod 21, and further directional vibration reduction and directional movement of the support table 20 are realized.

Preferably, the guide bar 21 and the first elastic member 30 are each provided in plurality and spaced apart in the first direction.

According to some embodiments of the present invention, as shown in fig. 4, the damping bracket 40 includes: a base 41, a lifting member 42 and a second elastic member 43. The base 41 is connected with the supporting platform 20; the lifting piece 42 is arranged on the base 41 and is suitable for contacting with the crystal bar to support the crystal bar; the second elastic member 43 is connected between the base 41 and the lifting member 42 so that the lifting member 42 is movable up and down with respect to the base 41.

When the crystal bar jolts in the transportation process, if the vibration reduction bracket 40 only plays a role in supporting the crystal bar, the crystal bar can generate small-amplitude vibration along with the transport vehicle, and an interaction force is generated between the crystal bar and the lifting piece 42. When the crystal bar transport cart 100 encounters the condition of uneven road surface, firstly, the crystal bar transport cart 100 is acted by an external force, and as the first elastic part 30 is connected between the frame 10 and the support table 20 of the crystal bar transport cart 100, the first elastic part 30 is elastically deformed under the action of the external force, so that part of vibration energy is absorbed, and a vibration damping effect is generated; then, the redundant energy is transmitted to the vibration reduction bracket 40 through the support table 20, a second elastic part 43 is connected between the base 41 and the lifting part 42 of the vibration reduction bracket 40, the second elastic part 43 is subjected to tensile deformation under the action of thrust, and meanwhile, the second elastic part 43 is vertically connected, so that the vibration energy is absorbed again, and the vibration reduction effect is further improved.

According to some embodiments of the present invention, as shown in fig. 4, the lifting member 42 is a cylinder with a circular cross section, the damping bracket 40 further includes a support 44, the support 44 is disposed on the base 41 through the second elastic member 43, and the lifting member 42 is rotatably disposed on the support 44 along a horizontal axis. The bracket 44 can provide a supporting and fixing function for the lifting piece 42, so that the lifting piece 42 can support the crystal bar; the lifting piece 42 is rotatably arranged on the support 44 around the axis, so that the lifting piece 42 and the crystal bar can roll and support, and the crystal bar can slide relatively when contacting with the lifting piece 42, so that a buffering effect can be achieved, and the probability that the lifting piece 42 and the crystal bar are damaged by the self gravity of the crystal bar can be reduced. In addition, the lifting piece 42 is a cylinder with a circular cross section, for example, the lifting piece 42 can be a cylinder, which can increase the contact area, improve the stress uniformity of the lifting piece 42, and further increase the bearing safety of the crystal bar.

According to some embodiments of the present invention, as shown in fig. 4, the lifting member 42 is a solid of revolution, and the generatrix of the outer peripheral surface of the lifting member 42 is a radially outwardly convex arc. Like this, when rotatory, all be the same shape when every part of lifting 42 rotates to fixed a position, make lifting 42 and the contact surface and the atress of crystal bar unanimous, and then can guarantee the atress equilibrium, can increase the bearing security of crystal bar.

According to some embodiments of the present invention, as shown in fig. 4, the damping bracket 40 further comprises: guide shaft 45, guide shaft 45 vertical setting, support 44 rotationally locates on base 41 through guide shaft 45, is equipped with spacing recess 411 on the base 41, and the lower extreme of support 44 stretches into in spacing recess 411, and the lateral wall of spacing recess 411 is suitable for with support 44 butt with the rotation angle of restriction support 44 for base 41. The guide shaft 45 is arranged on a central axis of the base 41 extending along the first direction, the axial sections of the brackets 44 along the guide shaft 45 can be symmetrical, and the brackets 44 can rotate around the guide shaft 45, so that the rotation direction of the brackets 44 can be limited, and the directional rotation of the brackets 44 can be realized; meanwhile, the guide shaft 45 also provides a supporting force for the support 44, so that the support 44 cannot be inclined under the action of external force, and the safety of the crystal bar is ensured. The limiting groove 411 limits the rotation angle of the support 44, so that the support 44 cannot rotate infinitely, and the safety of bearing is further improved. In addition, because the nonstandard cylinder of crystal bar in the production process, there is deviation with the diameter size of root crystal bar, therefore support 44 is restricted rotatory on base 41, can make damping bracket 40 better accept the crystal bar, increases the suitability of crystal bar bearing.

According to some embodiments of the present invention, as shown in fig. 5, the limiting groove 411 extends along the first direction, and the width of the limiting groove 411 is gradually decreased and then gradually increased in the first direction. The limiting groove 411 is formed with a groove similar to an "X" shape along a first direction, the guide shaft 45 is disposed at the center of the limiting groove 411, and the lower end of the bracket 44 rotates around the guide shaft 45 in the limiting groove 411, that is, the bracket 44 performs a circular motion by taking the joint of the guide shaft 45 and the base 41 as a circle center and the vertical distance of the edge of the base 41 as a radius. The width of the limiting groove 411 is a chord length, and when the circle center and the circle center angle are fixed, the radius is larger, the chord length is longer, that is, the width of the limiting groove 411 is gradually reduced and gradually increased, so that the rotation of the bracket 44 around the guide shaft 45 is not affected.

According to some embodiments of the present invention, as shown in fig. 5 to 6, the side wall of the limiting groove 411 includes a first extending section 4111 and a second extending section 4112 sequentially connected along a first direction, the first extending section 4111 and the second extending section 4112 are both planar, and an included angle between the first extending section 4111 and the second extending section 4112 and the first direction is 8 ° to 15 °, so that the diameter difference of the same ingot can be adapted, the damping bracket 40 can exactly receive the ingot, and the applicability of supporting the ingot is increased; simultaneously, first extension 4111 and second extension 4112 are the plane and can increase the area of contact with support 44, and then can improve the support stability of support 44, increase the security of crystal bar bearing.

According to some embodiments of the present invention, as shown in fig. 4, a sliding groove 412 is provided on the base 41, the base 41 is slidably disposed on the supporting platform 20 along the first direction through the sliding groove 412, a plurality of first positioning portions arranged at intervals along the first direction are provided on the supporting platform 20, a second positioning portion is provided on the base 41, and the second positioning portion can be matched with any one of the first positioning portions to position the damping bracket 40.

Wherein, brace table 20 provides the support for damping bracket 40, and the spout both ends are equipped with spacing arch, make damping bracket 40 card establish on brace table 20, increase damping bracket 40 and brace table 20's area of contact, improve damping bracket 40's bearing capacity, and then increased the atress homogeneity, improved support stability. In addition, the damping bracket 40 is slidable relative to the support stand 20, and may be fixed to the support stand 20 by the first positioning portion and the second positioning portion being engaged with each other, so that a user may select the fixing position and number of the damping bracket 40 according to the size and size of the ingot, thereby increasing the applicability of the ingot transport cart 100.

Preferably, one of the first positioning portion and the second positioning portion is a positioning hole and the other is a positioning post.

According to some embodiments of the present invention, as shown in fig. 1, the ingot transport cart 100 further includes: sweep cooling body, sweep cooling body and locate on frame 10, sweep cooling body and be equipped with the mouth of blowing, the mouth of blowing sets up towards the crystal bar, makes the crystal bar can realize transporting the time that shifts and cool off simultaneously, can reduce the time of crystal bar cooling, and then improves work efficiency.

According to some embodiments of the present invention, as shown in fig. 1, the ingot transport cart 100 further includes a handle 60, and the handle 60 is disposed on at least one side of the frame 10 for pushing the ingot transport cart 100 to transport.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and 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 therefore, should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (11)

1. A crystal bar transport cart, comprising:

a frame;

the supporting table extends along a first direction and comprises two supporting tables which are arranged at intervals along a second direction;

a first elastic member connected between the support table and the frame so that the support table is movable in the second direction with respect to the frame;

the vibration reduction bracket comprises a plurality of vibration reduction brackets which are respectively arranged on the two supporting tables, and the vibration reduction brackets are constructed to be suitable for lifting a crystal bar and reducing vibration of the crystal bar.

2. The ingot transport cart of claim 1, wherein the supporting table is movable between a first position and a second position with respect to the cart frame, wherein the cart frame is provided with a first stopper and a second stopper, wherein the supporting table abuts against the first stopper in the first position, and wherein the supporting table abuts against the second stopper in the second position.

3. The ingot carrier vehicle of claim 2, wherein the supporting platform is provided with a guide hole extending along the second direction, the frame is provided with a guide rod, the guide rod is inserted into the guide hole, the first elastic member is a first spring, and the first spring is sleeved on the guide rod.

4. The ingot trolley of any one of claims 1 to 3, wherein the damping bracket comprises:

the base is connected with the supporting platform;

the lifting piece is arranged on the base and is suitable for being in contact with the crystal bar so as to support the crystal bar;

the second elastic piece is connected between the base and the lifting piece, so that the lifting piece can move up and down relative to the base.

5. The transport cart for the ingot according to claim 4, wherein the lifting member is a cylinder having a circular cross section, the damping bracket further comprises a support, the support is disposed on the base through the second elastic member, and the lifting member is rotatably disposed on the support along a horizontal axis.

6. The ingot transport cart of claim 5, wherein the lifting member is a body of revolution, and a generatrix of an outer peripheral surface of the lifting member is a radially outwardly convex arc.

7. The ingot trolley of claim 6, wherein the damping bracket further comprises: the guide shaft is vertically arranged, the bracket is rotatably arranged on the base through the guide shaft,

the base is provided with a limiting groove, the lower end of the support extends into the limiting groove, and the side wall of the limiting groove is suitable for being abutted against the support to limit the rotation angle of the support relative to the base.

8. The ingot trolley of claim 7 wherein the retaining groove extends in a first direction in which the width of the retaining groove gradually decreases and then gradually increases.

9. The crystal bar transporting vehicle of claim 8, wherein the side wall of the limiting groove comprises a first extending section and a second extending section which are sequentially connected along a first direction, the first extending section and the second extending section are both planes, and an included angle between the first extending section and the first direction and an included angle between the second extending section and the first direction are 8-15 degrees.

10. The ingot carrier vehicle according to claim 4, wherein the base is provided with a slide groove, the base is slidably provided on the supporting table along the first direction through the slide groove,

the supporting table is provided with a plurality of first positioning parts arranged at intervals along the first direction, the base is provided with a second positioning part, and the second positioning part can be matched with any one of the first positioning parts to position the vibration reduction bracket.

11. The ingot transport cart of claim 1, further comprising: the blowing and cooling mechanism is arranged on the frame and provided with an air blowing opening facing the crystal bar.

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