Overhead crane track and overhead crane system

Abstract

The invention discloses a crane track and a crane system. The crane track includes a track body, the upper surface of which is used for the traveling wheels of the crane to travel; a side plate, which includes a first plate, a second plate and a third plate, the first plate and the second plate are connected and respectively abut against the upper surface and the outer side surface of the track body, the third plate is arranged on the outer side of the traveling wheel and extends upward from the connection between the first plate and the second plate, and the outer side surface of the side plate is provided with a first inclined surface inclined from top to bottom to the outside; a first block is connected to the track body, and the inner side surface of part of the first block is provided with a second inclined surface matching the first inclined surface, and the first inclined surface and the second inclined surface are pressed against each other. The crane track can effectively inhibit the diffusion of particles into a semiconductor manufacturing factory, thereby improving the cleanliness of the factory.

Description

Technical Field

[0001] The invention relates to the technical field of material handling systems for semiconductor manufacturing, and in particular to an overhead crane track and an overhead crane system. Background Art

[0002] In the field of semiconductor manufacturing, an automatic material handling system (AHMS) is usually used to transport wafers in a wafer box. The automatic material handling system includes an overhead crane system and a storage library, wherein the overhead crane system (OHT) includes an overhead crane and an overhead crane track. The overhead crane moves along a predetermined path under the guidance of the overhead crane track to transport the wafer box.

[0003] Semiconductor manufacturing has very strict requirements on cleanliness level, and particle detection and control are very important in the semiconductor industry. However, when the overhead crane is traveling on the overhead crane track, the traveling wheels of the overhead crane will rub against the overhead crane track and generate a large number of particles. Since the outer side of the overhead crane track is open, these particles will be scattered into the semiconductor manufacturing factory outside the overhead crane track with the air flow during the movement of the overhead crane, thus affecting the cleanliness of the entire factory. Summary of the invention

[0004] In order to overcome the above disadvantages, the object of the present invention is to provide an overhead crane track and an overhead crane system, which can effectively inhibit the diffusion of particles into a semiconductor manufacturing plant and improve the cleanliness of the plant.

[0005] In order to achieve the above purpose, the technical solution adopted by the present invention is: a crane track, comprising:

[0006] The track body, the upper surface of which is used for the running wheels of the overhead crane to run;

[0007] The side plate includes a first plate, a second plate and a third plate, the first plate and the second plate are connected and respectively abut against the upper surface and the outer side surface of the track body, the third plate is arranged on the outer side of the running wheel and extends upward from the connection between the first plate and the second plate, and the outer side surface of the side plate is provided with a first inclined surface inclined from top to bottom to the outside;

[0008] The first block is connected to the track body, and a second inclined surface matching the first inclined surface is provided on the inner side surface of a part of the first block, and the first inclined surface and the second inclined surface are pressed against each other.

[0009] Furthermore, the first inclined surface is located at the connection between the first plate and the second plate.

[0010] Furthermore, the first block includes a clamping portion, a first groove is formed along the inner side of the clamping portion toward the outside, a portion of the side plate is embedded in the first groove, and an upper surface of the first groove is a second inclined surface.

[0011] Furthermore, the first block also includes a connecting portion located below the clamping portion, the connecting portion extends below the third plate, the upper end of the connecting portion is pre-tightened and connected to the rail body, and the lower end of the connecting portion abuts against the outer side surface of the rail body.

[0012] Furthermore, the overhead crane track also includes a second block, which is connected to the upper end of the connecting part by a first fastener, and the track body is provided with a second groove along its outer surface toward the inner side, and the second groove includes an opening and a first stop surface and a second stop surface located on the upper and lower sides of the opening, and the side of the second block close to the opening is in contact with the first stop surface and the second stop surface.

[0013] Furthermore, the second slot body further includes a third inclined surface located above the second block body, and the third inclined surface extends upward along the first stop surface and tilts toward a side away from the opening.

[0014] Furthermore, a positioning boss is extended inwardly from the inner side surface of the first block, the positioning boss is inserted into the opening, and the thickness of the positioning boss in the horizontal direction is smaller than the thickness of the opening in the horizontal direction.

[0015] Furthermore, the vertical distance from the top of the third plate to the upper surface of the track body in the vertical direction is greater than or equal to 40 mm and less than or equal to 60 mm; the horizontal distance from the inner side of the top of the third plate to the outer side of the walking wheel is not less than 20 mm.

[0016] The present invention also discloses an overhead crane system, comprising the overhead crane track and a power taking component located inside the track body, wherein the power taking component comprises:

[0017] A wire fixing part, wherein a first protrusion protruding outward is arranged on the outer side of the wire fixing part and the inner side of the wire fixing part is suspended, a third groove body for inserting the first protrusion is arranged on the inner side of the track body, and the first protrusion is at least partially in contact with the third groove body;

[0018] The connecting component is fixedly connected to the track body, and the connecting component fixes the wire fixing piece on the track body.

[0019] Furthermore, the third groove body includes a third groove top surface close to the outside and a third groove bottom surface close to the inside, the upper surface of the first protrusion close to the outside abuts against the third groove top surface, and the lower surface of the first protrusion close to the inside abuts against the third groove bottom surface.

[0020] Further, the connecting assembly includes a connecting plate and a second fastener, the connecting plate is connected to the guide rail body through the second fastener, a second protrusion protruding downward is provided at one end of the connecting plate close to the wire fixing piece, the second protrusion and the inner side surface of the rail body form a slot, and a third protrusion protruding upward is provided on the outer side of the wire fixing piece, and the third protrusion is plugged into the slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of an overhead traveling vehicle system in one embodiment of the present invention;

[0022] Figure 2 for Figure 1 A partial enlarged view of the middle part;

[0023] Figure 3 for Figure 2 A partial enlarged view of point B in the middle;

[0024] Figure 4 for Figure 2 A partial enlarged view of point D in the middle;

[0025] Figure 5 It is a schematic diagram of the structure of the side plate in one embodiment of the present invention;

[0026] Figure 6 This is a schematic structural diagram of a block 1 in an embodiment of the present invention;

[0027] Figure 7 It is a schematic diagram of the structure of the track body in one embodiment of the present invention;

[0028] Figure 8 for Figure 1 A partial enlarged view of point C in the middle. DETAILED DESCRIPTION

[0029] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0030] As attached Figure 1 To Attachment Figure 8 As shown, an embodiment of an overhead traveling vehicle track and an overhead traveling vehicle system of the present application is shown.

[0031] Figure 1 The overhead crane system of the embodiment of the present application is shown, in which two overhead crane tracks of the overhead crane system are arranged in parallel, and two rows of running wheels 51 of the overhead crane are respectively arranged on the two overhead crane tracks, and the overhead crane 5 can travel along the extension direction of the overhead crane tracks through the running wheels 51. In the following text, the outer side refers to the side opposite to the left and right rows of running wheels 51, the inner side refers to the side opposite to the left and right rows of running wheels 51, the outer side surface is the surface facing the outer side, and the inner side surface is the surface facing the inner side.

[0032] See attached Figure 2 , Attachment Figure 3 and attached Figure 5As shown, the overhead crane track includes a track body 1, a side plate 2 and a first block 3. The side plate 2 includes a first plate 21, a second plate 22 and a third plate 23. The first plate 21 is in contact with the upper surface 11 of the track body, and a first closed path in the horizontal direction is formed between the first plate 21 and the upper surface 11 of the track body. The second plate 22 is connected to the first plate 21, and the second plate 22 is in contact with the outer side surface 12 of the track body, and a second closed path in the vertical direction is formed between the second plate 22 and the outer side surface 12 of the track body. The third plate 23 is located on the outer side of the running wheel 51 and extends upward from the connection between the first plate 21 and the second plate 22. The outer side surface of the side plate 2 is provided with a first inclined surface 201 that is inclined from top to bottom to the outside; the first block 3 is connected to the track body 1, and a second inclined surface 3111 that matches the first inclined surface 201 is provided on the inner side surface of part of the first block 3, and the first inclined surface 201 and the second inclined surface 3111 are pressed against each other.

[0033] When the running wheel 51 moves along the track body 1, friction will occur between the two and particles will be generated. By locating the third plate 23 outside the running wheel 51, the particles can be prevented from drifting to the outside of the track body 1 along with the airflow caused by the travel of the overhead crane 5, thereby preventing a large number of particles from falling into the semiconductor manufacturing factory and destroying the cleanliness of the semiconductor manufacturing factory;

[0034] By abutting the first plate 21 against the upper surface 11 of the track body and the second plate 22 against the outer side surface 12 of the track body, two closed paths can be formed between the upper surface 11 of the track body and the first plate 21 and between the outer side surface 12 of the track body and the second plate 22, so that the connection between the side plate 2 and the track body 1 is sealed from two directions, which can prevent particles from leaking from the connection between the side plate 2 and the track body 1 to the semiconductor factory below;

[0035] By providing a first inclined surface 201 that is inclined from top to bottom and outward on the outer side surface of the side plate 2, and providing a second inclined surface 3111 that matches the first inclined surface 201 on the inner side surface of part of the first block 3, when the first block 3 is connected to the track body 1, the first inclined surface 201 and the second inclined surface 3111 can fit and press against each other. The side plate 2 will be subjected to a pressing force of the first block 3 that is substantially perpendicular to the first inclined surface 201 at the first inclined surface 201, and the pressing force can simultaneously press the first plate 21 and the second plate 22 of the side plate 2 onto the track body 1, thereby improving the sealing of the two closed paths;

[0036] By arranging the root of the third plate 23 at the connection between the first plate 21 and the second plate 22, the pressing force not only presses the first plate 21 and the second plate 22, but also makes the root of the third plate 23 more firm and stable. When the third plate 23 is disturbed by the airflow caused by the travel of the overhead crane 5, the firm and stable root of the third plate 23 can reduce the swing amplitude of the top end of the third plate 23, thereby preventing the top end of the third plate 23 from interfering with the overhead crane 5 due to excessive swing amplitude.

[0037] When the third plate 23 tends to move upward due to the airflow disturbance caused by the movement of the overhead crane 5, the first inclined surface 201 of the side plate 2 will be stopped by the second inclined surface 3111 on the first block 3, thereby preventing the side plate 2 from moving upward and preventing the gap in the first closed path between the second plate 22 and the upper surface 11 of the track body from becoming larger, thereby improving the sealing reliability of the connection between the side plate 2 and the track body 1.

[0038] See attached Figure 3 As shown, in one embodiment, the first inclined surface 201 is located at the connection between the first plate 21 and the second plate 22. When the first inclined surface 201 is subjected to a compressive force perpendicular to the first inclined surface 201, by locating the first inclined surface 201 approximately at the connection between the first plate 21 and the second plate 22, it is possible to avoid the location of the compressive force being located at the lower end of the second plate 22, the lower end of the second plate 22 being elastically deformed and closely fitting with the outer side surface 12 of the track body to generate a large friction force, and thus the first plate 21 connected to the second plate 22 cannot be pressed against the upper surface 11 of the track body, and it is also possible to avoid the location of the compressive force being located at the upper end of the third plate 23, the compressive force at the upper end of the third plate 23 causes the outer side of the lower end of the second plate 22 to be squeezed against the inner side wall of the first block 3 and generate a large friction force, and thus the first plate 21 connected to the second plate 22 cannot be pressed against the upper surface 11 of the track body.

[0039] See attached Figure 2 and attached Figure 6 As shown, in one embodiment, the first block 3 includes a clamping portion 31, and the clamping portion 31 has a first groove 311 opened along its inner side toward the outside, and part of the side plate 2 is embedded in the first groove 311, and the upper surface of the first groove 311 is a second inclined surface 3111.

[0040] The first block 3 further includes a connecting portion 32 located below the clamping portion 31 , the connecting portion 32 extends below the second plate 22 , the upper end of the connecting portion 32 is pre-tightenedly connected to the track body 1 , and the lower end of the connecting portion 32 abuts against the outer side surface 12 of the track body.

[0041] The pre-tightening connection between the upper end of the connecting portion 32 and the track body 1 can be, for example, a screw connection. The upper end of the connecting portion 32 is subjected to the pre-tightening tension of the track body 1 through the screws. Under the action of the pre-tightening tension, the lower end of the connecting portion 32 is pressed against the outer side surface 12 of the track body. The second inclined surface 3111 of the clamping portion 31 is pressed against the first inclined surface 201 of the side plate. The first inclined surface 201 makes the first block 3 tend to move upward. The lower end of the connecting portion 32 will be subjected to the downward friction force of the outer side surface 12 of the track body. The downward friction force and the clamping force of the second inclined surface 3111 toward the first inclined surface 201 make the first inclined surface 201 be subjected to a clamping component force roughly perpendicular to the first inclined surface 201. The clamping component force can press the first plate 21 and the second plate 22 of the side plate against the upper surface 11 of the track body and the outer side surface 12 of the track body respectively, thereby improving the sealing of the two closed paths.

[0042] See attached Figure 3 As shown, the first groove body 311 also includes a first groove bottom surface 3112 and a first groove side surface 3113, and the second inclined surface 3111, the first groove side surface 3113 and the first groove bottom surface 3112 are connected in sequence. When the first inclined surface 201 and the second inclined surface 3111 are closely fitted, the inner side surface 321 of the connecting part and the outer side surface 12 of the track body, the inner side surface 312 of the pressing part and the outer side surface 231 of the third plate, the first groove side surface 3113 and the outer side surface 222 of the second plate, and the first groove bottom surface 3112 and the lower surface 223 of the second plate are just in contact. Or there are small gaps between the inner side surface 321 of the connecting part and the outer side surface 12 of the track body, the inner side surface 312 of the pressing part and the outer side surface 231 of the third plate, the first groove side surface 3113 and the outer side surface 222 of the second plate, and the first groove bottom surface 3112 and the lower surface 223 of the second plate. It is necessary to ensure that when the first block 3 applies pressure to the side plate 2, other surfaces of the first block 3 will not interfere with the fit between the first slope 201 and the second slope 3111, so that the first slope 201 and the second slope 3111 can fit and press tightly.

[0043] When installing the overhead crane track at a semiconductor manufacturing plant, it is necessary to connect the track body 1 to the hook on the roof to avoid the equipment on the top of the factory according to the on-site conditions. At the same time, it is also necessary to avoid the screws connecting the first block 3 to the track body 1 to the hook position. Since the equipment position on the top of the semiconductor manufacturing plant is uncertain, it is impossible to open the threaded holes on the track body 1 at the accurate position in advance, and the position of the screw hole at the connection between the first block 3 and the track body 1 and the hook position interfere with each other, making it difficult to smoothly install the side panel 2 on the track body 1.

[0044] To this end, in one embodiment, see the attached Figure 2 , Figure 4 and Figure 7As shown, the overhead crane track also includes a second block 4, which is connected to the upper end of the connecting portion 32 by a first fastener, and the track body 1 is provided with a second groove 13 along its outer side surface 12 toward the inside, and the second groove 13 includes an opening 131 and a first stop surface 132 and a second stop surface 133 located on the upper and lower sides of the opening 131, and the side of the second block 4 close to the opening 131 is in contact with the first stop surface 132 and the second stop surface 133.

[0045] The second block 4 can be obliquely inserted into the second slot 13 from the opening 131. After the second block 4 is placed in the second slot 13, the second block 4 is pushed to abut against the bottom of the second slot 13 so that the threaded hole on the second block 4 that matches the first fastener is aligned with the opening, and then the second block 4 is threadedly fastened to the first block by the first fastener. At this time, the side of the second block 4 close to the opening 131 is pressed and abutted against the first stop surface 132 and the second stop surface 133, and the second block 4 will not fall out of the second slot 13. At this time, the first block 3 is subjected to the pulling force of the first fastener, part of the pulling force enables the first block 3 to cooperate with the second block 4 to clamp the track body 4 and realize the connection between the first block 3 and the track body 1, and the other part of the pulling force enables the first block 1 to press the side plate 2 onto the track body 1, so that the side plate 2 can be connected to any position of the track body 1 without opening a threaded hole on the track body 1, thereby avoiding the need to set a screw hole on the track body 1 and the difficulty in smoothly installing the side plate 2 on the track body 1 due to the interference between the screw hole and the position of the hook.

[0046] Since there is no need to open threaded holes on the track body 1, the track body 1 can be formed by extrusion molding without machining the track body 1. When the side plate 2 needs to be fixed at any position of the track body 1, the second block 4 is installed in the second groove 13 at the position and fastened to the first block 3 by screws, bolts and other first fasteners. The clamping part 31 of the first block 3 can simultaneously clamp the first plate 21 and the second plate 22 of the side plate on the track body 1. Therefore, the track body 1 of this embodiment is easy to process, and the track body 1 and the side plate 2 are easy to install. See the attached Figure 4 and attached Figure 7As shown, further, the second slot body 13 also includes a third inclined surface 134, which extends upward along the first stop surface 132 and tilts toward the side away from the opening 131. The distance between the upper end of the first stop surface 132 and the lower end of the second stop surface 133 is not less than the length of the second block 4. At this time, when the second block 4 is limited in the second slot body 13, the third inclined surface 134 is located above the second block 4. At this time, when the second block 4 has a tendency to slide upward, the third inclined surface 134 can limit the second block 4 from sliding upward, so as to prevent the second block 4 from sliding upward and only one of the first stop surface 132 and the second stop surface 133 from contacting the second block 4, thereby causing the screw to be subjected to bending moment and break.

[0047] The second groove body 13 includes a second groove bottom surface 135 extending horizontally along the lower edge of the second stop surface 133. When the second block 4 is fixed to the first block 3, the second block 4 abuts against the second groove bottom surface 135 or a very small gap is left between the second block 4 and the second groove bottom surface 135 to prevent the second block 4 from sliding downward or sliding too far so that only one of the first stop surface 132 and the second stop surface 133 contacts the second block 4, resulting in the screw being subjected to bending moment and breaking.

[0048] When the second block 4 is installed, the second block 4 tilts obliquely from bottom to top toward the inside and enters the second groove 13. After entering the second groove 13, the lower end of the second block 4 can be pushed to make the second block 4 rest against the second groove bottom surface 135. During this process, the second block 4 slides downward along the third inclined surface 134 and rotates to a vertical state.

[0049] See attached Figure 7 As shown, the second slot body 13 includes a first part 13a and a second part 13b located on the upper and lower sides of the horizontal plane where the center line of the opening 131 is located, and the height H1 of the first part 13a in the vertical direction is greater than the height H2 of the second part 13b in the vertical direction, and the depth H3 of the top of the first part 13a in the horizontal direction is greater than the depth H4 of the second part 13b in the horizontal direction, so as to make way for the inclined second block 4 and ensure that the second block 4 can be tilted into the second slot body 13.

[0050] In one embodiment, see the attached Figure 6 and attached Figure 4As shown, the inner side surface 321 of the connection portion extends inward to form a positioning boss 322, which matches the opening 131 and can be inserted into the opening 131. The thickness of the positioning boss 322 in the horizontal direction is less than the thickness of the opening 131 in the horizontal direction, ensuring that the positioning boss 322 will not extend into the second slot 13 and will not interfere with the installation of the mounting block. At the same time, the length of the positioning boss 322 in the vertical direction is slightly less than the length of the opening 131 in the vertical direction. When the first block 3 is installed, the positioning boss 322 is first inserted into the opening 131 to preliminarily define the position of the first block 3, and at the same time, the first block 3 can be fine-tuned in the vertical direction.

[0051] The third plate 23 is usually a thin plate, but the height of the third plate 23 should not be too high, otherwise the root of the third plate 23 close to the first plate 21 will be subjected to a large alternating force when the third plate 23 is disturbed. The height of the third plate 23 should not be too low, otherwise it cannot prevent the particles from drifting. Therefore, in one embodiment, see the attached Figure 2 As shown, the distance from the top of the third plate to the upper surface 11 of the rail body in the vertical direction is L1, 60mm≥L1≥40mm.

[0052] Similarly, the distance between the third plate 23 and the running wheel 51 in the horizontal direction cannot be too small, otherwise the third plate 23 will interfere with the overhead travelling vehicle 5 when disturbed, so the vertical distance between the inner side surface 232 of the third plate and the outer side surface of the running wheel 51 in the horizontal direction is L2, L2 ≥ 20mm. When the inner side surface 232 of the third plate is a bent surface, ensure that the distance between the inner side surface of the top of the third plate and the outer side surface of the running wheel in the horizontal direction is not less than 20mm.

[0053] In one embodiment, see the attached Figure 1 As shown, an overhead crane system of the present invention comprises a power supply assembly 6, the overhead crane track and the overhead crane 5, wherein the power supply assembly 6 corresponds to and is fixedly connected to the track body 1, and the power supply assembly 6 is used to supply power to the overhead crane 5. The power supply assembly 6 is located on the inner side of the track body 1, and the power supply assembly 6 can receive particles that escape toward the inner side, thereby preventing the particles from falling from the inner side of the track body 1 into the semiconductor manufacturing plant and reducing the cleanliness of the semiconductor manufacturing plant.

[0054] See attached Figure 7 and attached Figure 8As shown, the power taking component 6 includes a Litz wire 61, a wire fixing member 62 and a connecting member 63. The wire fixing member 62 is fixedly connected to the track body 1 through the connecting member 63. A first protrusion 621 protruding outward is provided on the outer side of the wire fixing member 62, and a third groove body 14 is provided on the inner side of the track body 1. The third groove body 14 is formed along the inner side of the track body 1 and is opened outward. The first protrusion 621 is inserted into the third groove body 14, and the Litz wire 61 is fixed on the inner side of the wire fixing member 62, and the inner side of the wire fixing member 62 is suspended.

[0055] At this time, the wire fixing part 62 is a cantilever structure fixed to the track body 1 on the outside. On the one hand, the wire fixing part 62 is used to fix the Litz wire 61. On the other hand, the upper surface of the wire fixing part 62 can carry the particles that float inward when the overhead crane 5 is traveling, thereby preventing the particles from falling from the inside of the track body 1 into the semiconductor manufacturing factory and reducing the cleanliness of the semiconductor manufacturing factory.

[0056] See attached Figure 8 As shown, the third slot body 14 includes a third slot top surface 141 and a third slot bottom surface 142 close to the inner side, and a convex block 6211 extends upward from the outer side of the first protrusion 621, and the upper surface of the convex block 6211 abuts against the third slot top surface 141, and the lower surface of the first protrusion 621 abuts against the third slot bottom surface 142. When the first protrusion 621 is inserted into the third slot body 14, since the wire fixing member 62 is cantilevered and fixed to the track body 1, the wire fixing member 62 closely fits the upper surface of the convex block 6211 and the third slot top surface 141 through its own gravity, and a third closed path is formed between the two. At the same time, the lower surface of the first protrusion 621 and the third slot bottom surface 142 are closely fitted, and a fourth closed path is formed between the two. The third closed path and the fourth closed path can effectively prevent particles from leaking from the junction of the wire fixing member 62 and the track body 1, and play a sealing role.

[0057] The outer side of the first protrusion 621 may not be provided with the upward protrusion 6211, and the upper surface of the first protrusion 621 directly contacts the third groove top surface 141. Alternatively, the lower surface of the first protrusion 621 close to the inner side may extend downward with a downward protrusion, and the downwardly extending protrusion contacts the third groove bottom surface 142, as long as it can be ensured that the first protrusion 621 has a tendency to swing upward on the outer side by relying on the dead weight of the wire fixing member 62, so as to form two closed paths.

[0058] Of course, only the fourth closed path may be formed, which only ensures that the lower surface of the first protrusion 621 close to the outside is tightly fitted with the third groove bottom surface 142. However, two closed paths obviously have a better sealing effect.

[0059] See attached Figure 8As shown, the connection assembly 63 includes a connection plate 631 and a second fastener 632, and the connection plate 631 is fixedly connected to the track body 1 through the second fastener 632. The connection plate 631 includes a second protrusion 6311 extending in the vertical direction, and the second protrusion 6311 and the inner side surface of the track body 1 form a slot. The outer side of the wire fixing member 62 is provided with a third protrusion 622 that can be inserted into the slot. When the third protrusion 622 is inserted into the slot, the second protrusion 6311 presses the third protrusion 622 toward the track body 1, and the third protrusion 622 is confined between the second protrusion 6311 and the inner side surface of the track body 1.

[0060] See attached Figure 7 and attached Figure 8 As shown, the track body 1 is further provided with a fourth slot 15, in which part of the connecting plate 631 is embedded, and the fourth slot 15 is used to preliminarily define the position of the connecting plate 631. Of course, the fourth slot 15 may not be provided, and the connecting plate 631 and the track body 1 may be fixedly connected directly by the second fastener 632.

[0061] The second fastener 632 is a slider nut and a screw, through which the connecting plate 631 can be connected, pressed and fixed to the track body 1 at any position. The second fastener 632 can also be a screw, through which the connecting plate 631 is connected to the track body 1.

[0062] The above implementation modes are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with this technology to understand the content of the present invention and implement it, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A crane track, characterized in that: include: A track body, the upper surface of which is used for the running wheels of the overhead crane to run; A side plate, the side plate comprising a first plate, a second plate and a third plate, the first plate and the second plate being connected and respectively abutting against the upper surface and the outer side surface of the track body, the third plate being arranged on the outer side of the running wheel and extending upward from the connection between the first plate and the second plate, and the outer side surface of the side plate being provided with a first inclined surface inclined from top to bottom toward the outside; The first block is connected to the track body, and a second inclined surface matching the first inclined surface is provided on a portion of the inner side surface of the first block, and the first inclined surface and the second inclined surface are pressed against each other.

2. The overhead travelling vehicle track according to claim 1, characterized in that: The first inclined surface is located at the connection between the first plate and the second plate.

3. The overhead travelling vehicle track according to claim 1 or 2, characterized in that: The first block includes a pressing portion, and the pressing portion is provided with a first groove along its inner side toward the outer side, and a portion of the side plate is embedded in the first groove, and an upper surface of the first groove is the second inclined surface.

4. The overhead travelling vehicle track according to claim 3, characterized in that: The first block also includes a connecting portion located below the clamping portion, the connecting portion extends below the third plate, an upper end portion of the connecting portion is pre-tightened and connected to the rail body, and a lower end portion of the connecting portion abuts against an outer side surface of the rail body.

5. The overhead travelling vehicle track according to claim 4, characterized in that: The second block is connected to the upper end of the connecting part by a first fastener, and the rail body is provided with a second groove along its outer surface toward the inner side, and the second groove includes an opening and a first stop surface and a second stop surface located on the upper and lower sides of the opening, and the side of the second block close to the opening is in contact with the first stop surface and the second stop surface.

6. The overhead travelling vehicle track according to claim 5, characterized in that: The second slot body further includes a third inclined surface located above the second block body, and the third inclined surface extends upward along the first stop surface and tilts toward a side away from the opening.

7. The overhead travelling vehicle track according to claim 5, characterized in that: A positioning boss is extended inwardly from the inner side surface of the first block, and the positioning boss is inserted into the opening. The thickness of the positioning boss in the horizontal direction is smaller than the thickness of the opening in the horizontal direction.

8. The overhead travelling vehicle track according to claim 1, characterized in that: The vertical distance from the top of the third plate to the upper surface of the track body is greater than or equal to 40 mm and less than or equal to 60 mm; the horizontal distance from the inner side of the top of the third plate to the outer side of the walking wheel is not less than 20 mm.

9. An overhead crane system, characterized in that: The invention comprises the overhead travelling vehicle track according to any one of claims 1 to 8 and a power taking component located inside the track body, wherein the power taking component comprises: A wire fixing part, wherein a first protrusion protruding outward is arranged on the outer side of the wire fixing part and the inner side of the wire fixing part is suspended, a third groove body for inserting the first protrusion is arranged on the inner side of the track body, and the first protrusion at least partially abuts against the third groove body; A connecting component is fixedly connected to the track body, and the connecting component fixes the wire fixing piece on the track body.

10. The overhead travelling vehicle system according to claim 9, characterized in that: The third groove body includes a third groove top surface close to the outside and a third groove bottom surface close to the inside, the upper surface of the first protrusion close to the outside abuts against the third groove top surface, and the lower surface of the first protrusion close to the inside abuts against the third groove bottom surface.

Images