A hot-cast slab roller conveyor device

Abstract

The present invention discloses a hot-cast billet roller conveying device, which relates to the technical field of roller conveying devices; it includes: a mounting table, on which a rotating seat is rotatably mounted; a rotation driving part, which is mounted on the mounting table and is used to drive the rotation of the rotating seat; a first roller track frame, which is mounted on the outer wall of the top of the rotating seat. By setting a positioning and detecting mechanism, the present invention can, based on the operation of the rotation driving part, drive the rotation of the rotating seat, so as to realize the cooperation between the first roller track and two second roller tracks or the cooperation with two third roller tracks, thereby realizing the conduction of different conveying routes. Due to the setting of the positioning and detecting mechanism, after rotation, the pin rod can extend based on the reset of the traction assembly. If it passes through the sliding frame and presses the contact switch, the control system controls the corresponding second roller track or third roller track to work based on the change of the electrical signal; this solution can control the conveying after the first roller track is successfully docked with the corresponding conveying route, realizing automatic intelligent control.

Description

Technical Field

[0001] The present invention relates to the technical field of roller conveying devices, and particularly to a hot casting blank roller conveying device. Background Art

[0002] In modern industrial production, the hot casting blank roller conveying device is one of the key equipment, used to convey high-temperature casting blanks from one station to another. The traditional conveying device usually adopts a fixed roller path design. Although this design is simple and reliable, it shows great limitations when facing complex production processes and changing production requirements. Especially in the case where dynamic adjustment of the conveying route is required, the design of the traditional fixed roller path is difficult to meet the needs of rapid and flexible production line changes.

[0003] After retrieval, the patent with the Chinese patent application number CN202020941811.2 discloses a variable-speed steel bar conveying roller path. It includes the cooperation of a roller path, a motor, a roller, a first groove, a distribution block, a limiting hole, a conical pit, a distribution edge, a limiting roller, and a second groove. The conveying roller path in the above patent has the following deficiencies: although it has a conveying function, it cannot flexibly and dynamically adjust the conveying path according to requirements, and there is still room for improvement. Summary of the Invention

[0004] The purpose of the present invention is to solve the deficiencies existing in the prior art, and to propose a hot casting blank roller conveying device.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A hot casting blank roller conveying device, comprising:

[0007] An installation table, on which a rotating seat is rotatably installed;

[0008] A rotation driving part, which is installed on the installation table and is used to drive the rotation of the rotating seat;

[0009] A first roller path frame, which is installed on the outer wall of the top of the rotating seat, and a first roller path is installed inside the first roller path frame;

[0010] A second roller path frame, which is arranged on both sides of the first roller path frame, and a second roller path is installed on the second roller path frame;

[0011] A third roller path frame, which is arranged on the other two sides of the first roller path frame, and a third roller path is installed on the first roller path frame. Based on the operation of the rotation driving part, the rotation of the rotating seat is driven to realize the cooperation of the first roller path with the two second roller paths or with the two third roller paths;

[0012] The positioning and detecting mechanism is used to detect whether the first roller table frame rotates in place.

[0013] The positioning and detecting mechanism includes:

[0014] The guiding frame is installed below the end of the first roller table frame.

[0015] The pin rod is slidably connected to the inner wall of the guiding frame, and one end of the pin rod is connected to the guiding frame through a pin rod spring.

[0016] The traction assembly is used to traction the pin rod to retract it.

[0017] The support frame is installed below one end of the second roller table frame and the third roller table frame close to the first roller table frame.

[0018] The sliding frame is slidably installed on the inner wall of the support frame. The end of the sliding frame is connected to the support frame through a sliding frame spring, and a through hole for the pin rod to insert is provided on the sliding frame.

[0019] The fixed frame is installed on the outer wall of one side of the sliding frame. A contact switch is provided on the fixed frame. The position of the contact switch is adapted to the through hole, and the contact switch is respectively connected to the control circuits of the second roller or the third roller at their respective positions.

[0020] Preferably: One or more of the second roller table and the third roller table frame are of a multi-layer design. When designed in multiple layers, the number of sliding frames is adapted to the number of layers.

[0021] A lifting mechanism is provided at the bottom of the installation table, and the lifting mechanism is used to control the lifting of the installation table.

[0022] The lifting mechanism includes a base and a hydraulic cylinder. The hydraulic cylinder is installed on the base, and the output end of the hydraulic cylinder is fixed to the bottom of the installation table.

[0023] Preferably: The rotation driving part includes:

[0024] The rotation driving motor is installed at the bottom of the installation table.

[0025] The driving gear, the shaft of the driving gear is in transmission connection with the output end of the rotation driving motor. Convex teeth are circumferentially distributed on the outside of the rotating seat, and the driving gear meshes with the convex teeth.

[0026] Preferably: The traction assembly includes:

[0027] The electric telescopic rod is installed at the bottom of the rotating seat through a bracket.

[0028] The lifting frame is installed at the output end of the electric telescopic rod.

[0029] A fixed pulley, which is installed in a rotating seat through a pulley frame;

[0030] A traction rope, one end of the traction rope is fixed on a pin rod, and the other end of the traction rope is fixed on a lifting frame after passing through the fixed pulley.

[0031] Preferably: An installation plate is fixed on the outer wall of the bottom of the first roller path frame, a vertical rod is fixed on the outer wall of the bottom of the installation plate, an installation seat is installed on the top of the installation table, and a pressure sensor assembly is arranged on the installation seat.

[0032] Preferably: A ball seat is fixed at the bottom end of the vertical rod, a rolling ball is movably installed in the ball seat, and the pressure sensor assembly is located on the movement path of the rolling ball.

[0033] Preferably: Both sides of the first roller path frame, the second roller path frame and the third roller path frame are of vertical plate structures, and a shielding cover is detachably installed on the top surface of the vertical plate structures.

[0034] Preferably: Annular grooves distributed linearly are formed on the conveying rollers of the first roller path, a guiding component is installed on the vertical plate structure of the first roller path frame, and the guiding component is of an inverted "eight" shape structure.

[0035] Preferably: The guiding component includes:

[0036] A column, which is arranged on the vertical plate structure of the first roller path frame, a rotating cylinder is rotatably installed on the column, and the rotating cylinder and the vertical plate structure are connected by a second support spring;

[0037] A telescopic rod, one end of the telescopic rod is fixed on the rotating cylinder, a terminal column is fixed at the free end of the telescopic rod, a spherical head is arranged at the bottom of the terminal column, and the spherical head slides in an annular groove;

[0038] A guiding plate, which is fixed on the outer wall of one side of the terminal column.

[0039] Preferably: An L-shaped rod is installed on the vertical plate structure of the first roller path frame, a collar is movably installed on the L-shaped rod, a top screw for fixing the collar on the L-shaped rod is connected by thread on the inner wall of one side of the collar; a rotating rod is rotatably installed at the bottom of the collar, the top of the terminal column is slidably connected to the inner wall of the bottom of the rotating rod, and the rotating rod and the terminal column are connected by a first support spring; the position of the L-shaped rod is adapted to the position of the axis of the first roller path.

[0040] The beneficial effects of the present invention are:

[0041] By providing a positioning and detection mechanism, the present invention can operate based on the rotation driving part to drive the rotation of the rotating seat, so as to realize the cooperation between the first roller path and the two second roller paths or the two third roller paths, thereby realizing the conduction of different conveying routes. In addition, due to the provision of the positioning and detection mechanism, after rotation, the pin rod can extend based on the reset of the traction component. If it passes through the carriage and presses the contact switch, the control system controls the corresponding second roller path or third roller path to operate based on the change of the electrical signal. This solution can control the conveying after the first roller path is successfully docked with the corresponding conveying route, realizing automatic intelligent control.

[0042] By providing a traction component, the present invention can control the extension and retraction of the pin rod through the traction rope based on the extension and retraction of the output end of the electric telescopic rod. Due to the use of multi-point detection, when the contact switches are in a series structure, the structural accuracy is higher. When the first roller path frame is slightly skewed and some contact switches are not triggered, the roller path will not convey, ensuring the stable and reliable conveying angle. When the contact switches are in a parallel structure, it has a certain degree of fault tolerance and is more suitable for scenarios with low conveying requirements. It can adjust the series-parallel logic of the contact switches based on requirements, thereby meeting different usage needs and having high flexibility.

[0043] By providing structures such as a pressure sensor component and a rolling ball, the present invention can detect whether the rolling ball has moved in place, thereby determining whether the first roller path frame has moved in place. Based on the addition of the pressure sensor component structure, it can be used as a part of the control. For example, when the pressure sensor detects that the movement is in place, the system controls the rotation driving motor to stop working and makes the hydraulic cylinder or the electric telescopic rod work to achieve more efficient control. And because the rolling ball is spherical, its contact area with the pressure sensor component is smaller. Therefore, while ensuring the smoothness of the movement, the accuracy of the detection point is improved.

[0044] By providing a guiding component, the present invention can guide the hot-cast billet passing through the conveying, and adjust its position. Since the structure of the guiding component cooperates with the linearly distributed annular groove, and due to the structural limitation, the spherical head can be kept above the axis of the corresponding first roller path. While ensuring the guiding ability, the guiding position is more accurate and the structure operates more stably.

[0045] Due to the provision of structures such as an annular groove and a spherical head in the present invention, the spherical head can be adjusted into the corresponding annular groove according to requirements, thereby adjusting the angle of the guiding plate to achieve the purpose of changing the guiding position. During the process, the collar can move on the L-shaped rod, and the telescopic rod changes its length through expansion and contraction, so as to cooperate with the position adjustment of the spherical head. After the adjustment is completed, the collar is fixed by the set screw to ensure the stability of the structure. Description of the Drawings

[0046] Figure 1Schematic structural diagram of a hot casting blank roller conveyor device proposed by the present invention;

[0047] Figure 2 Schematic structural diagram of the cooperation between the first roller path and the second roller path of a hot casting blank roller conveyor device proposed by the present invention;

[0048] Figure 3 Schematic structural diagram of the first roller path and the second roller path of a hot casting blank roller conveyor device proposed by the present invention with the shielding removed;

[0049] Figure 4 Schematic structural diagram of the cooperation between the pin rod and the contact switch of a hot casting blank roller conveyor device proposed by the present invention;

[0050] Figure 5 Schematic structural diagram of the installation platform and the first roller path frame of a hot casting blank roller conveyor device proposed by the present invention;

[0051] Figure 6 Schematic structural diagram of the rotating seat of a hot casting blank roller conveyor device proposed by the present invention;

[0052] Figure 7 Schematic structural diagram of the guiding assembly of a hot casting blank roller conveyor device proposed by the present invention;

[0053] Figure 8 Schematic structural diagram of the docking of the second roller path frame and the arc-shaped roller path frame of a hot casting blank roller conveyor device proposed by the present invention;

[0054] Figure 9 Schematic structural diagram of the arc-shaped roller path frame of a hot casting blank roller conveyor device proposed by the present invention.

[0055] In the figure: 1 installation platform, 2 hydraulic cylinder, 3 second roller path frame, 4 shielding, 5 third roller path frame, 6 third roller path, 7 pressure sensor assembly, 8 mounting seat, 9 first roller path frame, 10 first roller path, 11 second roller path, 12 base, 13 carriage spring, 14 fixed frame, 15 contact switch, 16 carriage, 17 pin rod, 18 guide frame, 19 pin rod spring, 20 towing rope, 21 mounting plate, 22 annular groove, 23 ball seat, 24 ball, 25 rotating drive motor, 26 electric telescopic rod, 27 rotating seat, 28 lifting frame, 29 fixed pulley, 30 end post, 31 first support spring, 32 L-shaped rod, 33 collar, 34 telescopic rod, 35 second support spring, 36 rotating cylinder, 37 rotating rod, 38 spherical head, 39 guide plate, 40 arc-shaped roller path frame, 41 drive motor, 42 conveying roller. Specific embodiments

[0056] The technical solutions of the present invention will be further described in detail below in conjunction with specific embodiments.

[0057] Embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where like or similar reference numerals denote like or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation of the present invention. Embodiment

[0058] A hot-cast slab roller conveying device, as Figures 1-7 shown, includes:

[0059] An installation table 1, on which a rotating seat 27 is rotatably installed;

[0060] A rotation driving part, which is installed on the installation table 1 and is used to drive the rotation of the rotating seat 27;

[0061] A first roller track frame 9, which is installed on the outer wall of the top of the rotating seat 27, and a first roller track 10 is installed inside the first roller track frame 9;

[0062] A second roller track frame 3, which is arranged on both sides of the first roller track frame 9, and a second roller track 11 is installed on the second roller track frame 3;

[0063] A third roller track frame 5, which is arranged on the other two sides of the first roller track frame 9, and a third roller track 6 is installed on the first roller track frame 9. Based on the operation of the rotation driving part, the rotation of the rotating seat 27 is driven to realize the cooperation between the first roller track 10 and the two second roller tracks 11 or the cooperation with the two third roller tracks 6;

[0064] A positioning detection mechanism, which is used to detect whether the first roller track frame 9 rotates in place;

[0065] The positioning detection mechanism includes:

[0066] A guiding frame 18, which is installed below the end of the first roller track frame 9;

[0067] A pin rod 17, which is slidably connected to the inner wall of the guiding frame 18, and one end of the pin rod 17 is connected to the guiding frame 18 through a pin rod spring 19;

[0068] A traction assembly, which is used to traction the pin rod 17 to make it retract;

[0069] A support frame, which is installed below one end of the second roller track frame 3 and the third roller track frame 5 close to the first roller track frame 9;

[0070] A sliding frame 16, which is slidably installed on the inner wall of the support frame. The end of the sliding frame 16 is connected to the support frame through a sliding frame spring 13, and a through hole for the pin rod 17 to insert is provided on the sliding frame 16;

[0071] The fixing bracket 14 is installed on the outer wall of one side of the carriage 16. A contact switch 15 is provided on the fixing bracket 14. The position of the contact switch 15 is adapted to the perforation. The contact switch 15 is respectively connected to the control circuits of the second roller path 11 or the third roller path 6 at their respective positions.

[0072] By providing the positioning and detection mechanism, it can operate based on the rotation drive part to drive the rotation of the rotating seat 27, so as to realize the cooperation between the first roller path 10 and the two second roller paths 11 or the cooperation with the two third roller paths 6, thereby realizing the conduction of different conveying routes. In addition, due to the provision of the positioning and detection mechanism, after rotation, based on the reset of the traction component, the pin rod 17 can be extended. If it passes through the carriage 16 and presses the contact switch 15, the control system controls the corresponding second roller path 11 or the third roller path 6 to operate based on the change of the electrical signal; this solution can control the conveying after the first roller path 10 is successfully docked with the corresponding conveying route.

[0073] In order to provide more conveying paths to meet different conveying schemes; as Figure 1 shown, one or more of the second roller path 11 and the third roller path bracket 5 are of multi-layer design. When in multi-layer design, the number of carriages 16 is adapted to the number of layers;

[0074] A lifting mechanism is provided at the bottom of the mounting table 1. The lifting mechanism is used to control the lifting of the mounting table 1;

[0075] The lifting mechanism includes a base 12 and a hydraulic cylinder 2. The hydraulic cylinder 2 is installed on the base 12, and the output end of the hydraulic cylinder 2 is fixed to the bottom of the mounting table 1.

[0076] In order to facilitate the driving of the rotation of the rotating seat 27; as Figure 3 、 Figure 5 shown, the rotation drive part includes:

[0077] A rotation drive motor 25 is installed at the bottom of the mounting table 1;

[0078] A drive gear, the shaft of the drive gear is in transmission connection with the output end of the rotation drive motor 25. Convex teeth are circumferentially distributed on the outside of the rotating seat 27, and the drive gear meshes with the convex teeth.

[0079] In order to facilitate the synchronous control of the telescopic movement of each pin rod 17; as Figure 6 shown, the traction component includes:

[0080] An electric telescopic rod 26, the electric telescopic rod 26 is installed at the bottom of the rotating seat 27 through a bracket;

[0081] A lifting frame 28 is installed at the output end of the electric telescopic rod 26;

[0082] The fixed pulley 29 is installed in the rotating seat 27 through a pulley bracket;

[0083] The towing rope 20 has one end fixed to the pin rod 17, and the other end of the towing rope 20 is fixed to the lifting frame 28 after passing through the fixed pulley 29;

[0084] By setting up the towing assembly, it is possible to control the telescoping of the pin rod 17 through the towing rope 20 based on the telescoping of the output end of the electric telescopic rod 26. Due to the adoption of multi-point detection, when the contact switches 15 are in a series structure, the structural accuracy is higher. When the first roller track frame 9 is slightly skewed and some of the contact switches 15 are not triggered, the roller track will not convey, ensuring the stable and reliable conveying angle; when the contact switches 15 are in a parallel structure, it has a certain degree of fault tolerance and is more suitable for scenarios with low conveying requirements; it is possible to adjust the series-parallel logic of the contact switches 15 based on requirements, so as to meet different usage needs and has high flexibility.

[0085] To improve the control mechanism and better achieve automatic control; as Figure 3 、 Figure 5 shown, a mounting plate 21 is fixed to the outer wall of the bottom of the first roller track frame 9, a vertical rod is fixed to the outer wall of the bottom of the mounting plate 21, a mounting seat 8 is installed on the top of the mounting table 1, and a pressure sensor assembly 7 is arranged on the mounting seat 8;

[0086] The bottom end of the vertical rod is fixed with a ball seat 23, a rolling ball 24 is movably installed in the ball seat 23, and the pressure sensor assembly 7 is located on the movement path of the rolling ball 24;

[0087] By setting up structures such as the pressure sensor assembly 7 and the rolling ball 24, it is possible to detect whether the rolling ball 24 has moved in place, so as to determine whether the first roller track frame 9 has moved in place. Based on the addition of the pressure sensor assembly structure, it can be used as a link in the control. For example, when the pressure sensor detects that the movement is in place, the system controls the rotation drive motor 25 to stop working and makes the hydraulic cylinder 2 or the electric telescopic rod 26 work to achieve more efficient control. And because the rolling ball 24 is a spherical structure, its contact area with the pressure sensor assembly 7 is smaller. Therefore, while ensuring the smoothness of the movement, the accuracy of the detection point is improved.

[0088] As Figure 1 、 Figure 2 shown, both sides of the first roller track frame 9, the second roller track frame 3 and the third roller track frame 5 are vertical plate structures, and a shield 4 is detachably installed on the top surface of the vertical plate structure. Embodiment

[0089] A hot-cast billet roller conveying device, as Figures 1-7As shown, in order to facilitate the guidance of the transported hot cast billets, this embodiment makes the following improvements on the basis of Embodiment 1: a linearly distributed annular groove 22 is opened on the conveying roller of the first roller 10, and a guiding assembly is installed on the vertical plate structure of the first roller frame 9, and the guiding assembly is an inverted "eight" shape structure.

[0090] In order to better guide the hot cast billet; Figure 7 As shown, the guide component includes:

[0091] The column is arranged on the vertical plate structure of the first roller frame 9, and a rotating drum 36 is rotatably mounted on the column, and the rotating drum 36 and the vertical plate structure are connected by a second supporting spring 35;

[0092] A telescopic rod 34, one end of which is fixed to a rotating drum 36, a terminal post 30 is fixed to a free end of the telescopic rod 34, a spherical head 38 is provided at the bottom of the terminal post 30, and the spherical head 38 slides in an annular groove 22;

[0093] The guide plate 39 is fixed to the outer wall of one side of the end column 30 .

[0094] To improve structural stability; Figure 7 As shown, an L-shaped rod 32 is installed on the vertical plate structure of the first roller frame 9, and a collar 33 is movably installed on the L-shaped rod 32. The inner wall of one side of the collar 33 is connected by a thread with a top screw for fixing the collar 33 on the L-shaped rod 32; a rotating rod 37 is rotatably installed at the bottom of the collar 33, and the top of the end column 30 is slidably connected to the inner wall of the bottom of the rotating rod 37, and the rotating rod 37 and the end column 30 are connected by a first supporting spring 31; the position of the L-shaped rod 32 is adapted to the position of the axis of the first roller 10;

[0095] By setting the guide assembly, the hot cast billet being transported can be guided and its position can be adjusted. Since the structure of the guide assembly cooperates with the linearly distributed annular groove 22 and based on the limitation of the structure, the spherical head 38 can be kept above the axis of the corresponding first roller 10, while ensuring the guiding ability, the guiding position is made more accurate and the structure is operated more stably;

[0096] Since the annular groove 22, spherical head 38 and other structures are provided, the spherical head 38 can be adjusted to the corresponding annular groove 22 according to needs, so as to adjust the angle of the guide plate 39 to achieve the purpose of changing the guiding position; during the process, the ring 33 can be moved on the L-shaped rod 32, and the telescopic rod 34 can change its length by telescoping, so as to cooperate with the position adjustment of the spherical head 38. After the adjustment is completed, the ring 33 is fixed by the top screw to ensure the stability of the structure.

[0097] In order to facilitate the steering conveying, Figure 8 , Figure 9As shown, an arc-shaped roller table frame 40 is connected to the end of the second roller table frame 3. A conveying roller 42 distributed along an arc is installed on the arc-shaped roller table frame 40, and a driving motor 41 for driving the conveying roller 42 to work is installed on one side of the arc-shaped roller table frame 40.

[0098] As described above, the foregoing is only a preferred specific embodiment of the present invention. For the parts not disclosed in detail, such as the specific circuit connection method or the instrument model, those skilled in the art can all adopt conventional technical means to achieve, so no further description will be given.

Claims

1. A hot-cast slab roller conveying device, characterized in that, Comprising: An installation platform (1) on which a rotating seat (27) is rotatably installed; A rotation driving part installed on the installation platform (1) for driving the rotation of the rotating seat (27); A first roller track frame (9) installed on the outer wall of the top of the rotating seat (27), and a first roller track (10) is installed inside the first roller track frame (9); A second roller track frame (3) arranged on both sides of the first roller track frame (9), and a second roller track (11) is installed on the second roller track frame (3); A third roller track frame (5) arranged on the other two sides of the first roller track frame (9), and a third roller track (6) is installed on the first roller track frame (9). Based on the operation of the rotation driving part, the rotation of the rotating seat (27) is driven to realize the cooperation between the first roller track (10) and the two second roller tracks (11) or the cooperation with the two third roller tracks (6); A positioning and detection mechanism for detecting whether the first roller track frame (9) rotates in place; The positioning and detection mechanism includes: A guiding frame (18) installed below the end of the first roller track frame (9); A pin rod (17) slidably connected to the inner wall of the guiding frame (18), and one end of the pin rod (17) is connected to the guiding frame (18) through a pin rod spring (19); A traction assembly for pulling the pin rod (17) to retract it; A support frame installed below one end of the second roller track frame (3) and the third roller track frame (5) close to the first roller track frame (9); A sliding frame (16) slidably installed on the inner wall of the support frame, and the end of the sliding frame (16) is connected to the support frame through a sliding frame spring (13). A through hole for inserting the pin rod (17) is provided on the sliding frame (16); A fixing frame (14) installed on the outer wall of one side of the sliding frame (16), and a contact switch (15) is arranged on the fixing frame (14). The position of the contact switch (15) is adapted to the through hole, and the contact switch (15) is respectively connected to the control circuits of the second roller track (11) or the third roller track (6) at their respective positions.

2. The roll conveying device for hot cast slabs according to claim 1, characterized in that, One or more of the second roller track (11) and the third roller track frame (5) are of a multi-layer design. When designed in multiple layers, the number of sliding frames (16) is adapted to the number of layers; A lifting mechanism is arranged at the bottom of the installation platform (1) for controlling the lifting of the installation platform (1); The lifting mechanism includes a base (12) and a hydraulic cylinder (2). The hydraulic cylinder (2) is installed on the base (12), and the output end of the hydraulic cylinder (2) is fixed to the bottom of the installation platform (1).

3. The roll conveying device for hot cast slabs according to claim 1, characterized in that, The rotation driving part includes: A rotation driving motor (25) installed at the bottom of the installation platform (1); A driving gear, the shaft of which is in transmission connection with the output end of the rotation driving motor (25). Convex teeth are arranged circumferentially on the outside of the rotating seat (27), and the driving gear meshes with the convex teeth.

4. A hot-cast slab roller conveyor device according to claim 1, characterized in that, The traction assembly includes: An electric telescopic rod (26) installed at the bottom of the rotating seat (27) through a bracket; Lifting frame (28), the lifting frame (28) is installed at the output end of the electric telescopic rod (26); Fixed pulley (29), the fixed pulley (29) is installed in the rotating seat (27) through a pulley frame; Traction rope (20), one end of the traction rope (20) is fixed to the pin rod (17), and the other end of the traction rope (20) is fixed to the lifting frame (28) after passing through the fixed pulley (29).

5. A hot-cast slab roller conveyor device according to claim 1, characterized in that, A mounting plate (21) is fixed to the outer wall of the bottom of the first roller track frame (9), a vertical rod is fixed to the outer wall of the bottom of the mounting plate (21), a mounting seat (8) is installed on the top of the mounting table (1), and a pressure sensor assembly (7) is arranged on the mounting seat (8).

6. The roll-type conveying device for hot cast slabs according to claim 5, characterized in that, The bottom end of the vertical rod is fixed with a ball seat (23), a rolling ball (24) is movably installed in the ball seat (23), and the pressure sensor assembly (7) is located on the movement path of the rolling ball (24).

7. A hot-cast slab roller conveyor device according to claim 1, characterized in that, Both sides of the first roller track frame (9), the second roller track frame (3) and the third roller track frame (5) are vertical plate structures, and a shield (4) is detachably installed on the top surface of the vertical plate structure.

8. A hot cast slab roller conveyor device according to claim 7, characterized in that, An annular groove (22) with a linear distribution is formed on the conveying roller of the first roller track (10), and a guiding component is installed on the vertical plate structure of the first roller track frame (9), and the guiding component is an inverted "eight" shape structure.

9. The hot-cast slab roller conveyor device according to claim 8, wherein, The guiding component includes: A column, the column is arranged on the vertical plate structure of the first roller track frame (9), a rotating cylinder (36) is rotatably installed on the column, and the rotating cylinder (36) and the vertical plate structure are connected by a second support spring (35); A telescopic rod (34), one end of the telescopic rod (34) is fixed to the rotating cylinder (36), the free end of the telescopic rod (34) is fixed with an end column (30), a spherical head (38) is arranged at the bottom of the end column (30), and the spherical head (38) slides in an annular groove (22); A guide plate (39), the guide plate (39) is fixed to the outer wall of one side of the end column (30).

10. A hot-cast billet roller conveyor device according to claim 9, characterized in that, An L-shaped rod (32) is installed on the vertical plate structure of the first roller track frame (9), a collar (33) is movably installed on the L-shaped rod (32), and a top screw for fixing the collar (33) to the L-shaped rod (32) is connected by thread on the inner wall of one side of the collar (33); a rotating rod (37) is rotatably installed at the bottom of the collar (33), the top of the end column (30) is slidably connected to the inner wall of the bottom of the rotating rod (37), and the rotating rod (37) and the end column (30) are connected by a first support spring (31); the position of the L-shaped rod (32) is adapted to the position of the axis of the first roller track (10).

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