Square tube traction device

Abstract

The utility model relates to the technical field of pipe conveying, in particular to a square pipe traction device. Comprising a plurality of transmission roller assemblies, a transmission mechanism and two shear fork type telescopic frames. The driving roller assemblies are arranged side by side, each driving roller assembly comprises a U-shaped frame and a driving roller, a mounting shaft is mounted on each driving roller, and each driving roller is rotationally mounted at the upper end of the corresponding U-shaped frame through the corresponding mounting shaft; a plurality of rollers a are mounted at the bottom end of the U-shaped frame; the plurality of transmission roller assemblies are mounted between the two groups of scissor-type telescopic frames at equal intervals; the transmission mechanism is used for driving the multiple transmission rollers to rotate. The multiple transmission roller assemblies are driven to move synchronously through the arranged shear fork type telescopic frame, so that the conveying distance of the device can be adaptively adjusted, the device can be contracted when not used, occupied space is reduced, and the applicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe transportation, in particular to a square pipe traction device. Background Art

[0002] The pipe conveying and traction device is a kind of conveyor, which plays a key role in the transportation and loading and unloading of pipe materials.

[0003] In the prior art, the common method of conveying square tubes is to use a conveyor belt or conveyor rollers for conveying. However, the size of the conveyor belt is fixed, resulting in a fixed conveying distance, which is not suitable for long-distance conveying work. If the length of the conveyor belt is extended, it cannot adapt to short-distance conveying work, and it occupies a large space. Utility Model Content

[0004] The utility model aims to provide a square tube traction device in view of the problems existing in the background technology.

[0005] The technical solution of the utility model is a square tube traction device, comprising:

[0006] A plurality of transmission roller assemblies are arranged side by side, the transmission roller assemblies include a U-shaped frame and a transmission roller, a mounting shaft is mounted on the transmission roller, and the transmission roller is rotatably mounted on the upper end of the U-shaped frame through the mounting shaft; a plurality of rollers a are mounted on the bottom end of the U-shaped frame;

[0007] Two sets of scissor-type telescopic frames, and a plurality of transmission roller assemblies are equidistantly installed between the two sets of scissor-type telescopic frames;

[0008] A transmission mechanism used to drive multiple transmission rollers to rotate.

[0009] Preferably, two transmission mechanisms are provided, and the two transmission mechanisms are respectively located at the two ends of the U-shaped frame. The transmission mechanism includes a transmission belt and multiple servo motors a. Transmission rollers c are provided on both sides of the bottom of the multiple mounting shafts. The transmission rollers c are rotatably installed on the U-shaped frame. The transmission belt is sleeved and installed on the multiple mounting shafts and the multiple transmission rollers c. The multiple servo motors a are respectively installed on any multiple U-shaped frames, and the output shafts of the servo motors a are connected to the corresponding mounting shafts.

[0010] Preferably, a linear drive mechanism c is installed on the U-shaped frame located in the middle, and a lifting plate is connected to the output shaft of the linear drive mechanism c. A plurality of transmission rollers b are rotatably installed on the lifting plate, and the transmission belts on both sides are sleeved on the plurality of transmission rollers b.

[0011] Preferably, a hoisting mechanism is also included, which includes a gantry, two sets of fixed components and a driving component installed on the gantry and used to drive the two sets of fixed components to rise and fall synchronously, and a plurality of rollers b are installed at the bottom end of the gantry.

[0012] Preferably, the fixing component has a mounting frame and two symmetrically arranged clamping members, the clamping members include a linear drive mechanism b and a clamping plate, the linear drive mechanism b is mounted on the mounting frame, and the clamping plate is connected to the output shaft of the linear drive mechanism b.

[0013] Preferably, the driving assembly includes a power component and two retractable components; two mounting seats are provided at the top of the gantry, and the retractable components include a reel, a sling and a transmission shaft, the transmission shaft is rotatably mounted on the mounting seat on the corresponding side, the reel is mounted on the end of the transmission shaft, one end of the sling is fixedly wound around the reel, and the other end is connected to the mounting frame on the corresponding side; the power component includes a servo motor b and three bevel gears, the servo motor b is installed on the gantry, one bevel gear is connected to the output shaft of the servo motor b, and the other two bevel gears are respectively connected to the transmission shafts on both sides, and the bevel gears on both sides are meshed with the middle bevel gear.

[0014] Preferably, there are two limit mechanisms, which are respectively installed on the scissor-type telescopic frames on both sides, the limit mechanisms include a linear drive mechanism a, a connecting plate, multiple limit members, multiple telescopic rods and multiple vertical rods, the multiple vertical rods are equidistantly installed on the scissor-type telescopic frames, and the multiple vertical rods and the multiple U-shaped frames are spaced apart from each other, the limit members include a push rod and a limit plate, the push rod movably passes through the top end of the vertical rod on the corresponding side, the limit plate is connected to the end of the push rod, and two adjacent push rods are connected by the telescopic rod, the linear drive mechanism a is installed on the U-shaped frame and its output shaft is connected to the connecting plate, and the connecting plate is connected to the end of the push rod on any side.

[0015] Compared with the prior art, the utility model has the following beneficial technical effects: the scissor-type telescopic frame set in the technical scheme can drive multiple transmission roller assemblies to move synchronously, and the distance between two adjacent transmission roller assemblies is kept equal during the movement, so that the transmission distance of the device can be adaptively adjusted, and the device can also be retracted when not in use, thereby reducing the space occupied. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 It is a structural schematic diagram of the scissor-type telescopic frame, the transmission roller assembly and the transmission mechanism in the utility model.

[0018] Figure 3 for Figure 2 Schematic diagram of the local enlarged structure at A.

[0019] Figure numerals: 1. scissor-type telescopic frame; 2. U-shaped frame; 3. gantry; 4. transmission roller; 41. mounting shaft; 5. vertical rod; 6. telescopic rod; 7. push rod; 8. limit plate; 9. linear drive mechanism a; 10. connecting plate; 11. mounting frame; 12. linear drive mechanism b; 13. clamping plate; 141. roller a; 142. roller b; 15. lifting plate; 16. linear drive mechanism c; 17. transmission roller b; 18. transmission belt; 19. servo motor a; 20. transmission roller c; 21. mounting seat; 22. winding disk; 23. lifting rope; 24. transmission shaft; 25. servo motor b; 26. bevel gear. DETAILED DESCRIPTION

[0020] Embodiment 1

[0021] like Figure 1-Figure 3 As shown, a square tube traction device proposed in this embodiment includes multiple drive roller assemblies, a transmission mechanism and two groups of scissor-type telescopic frames 1; multiple drive roller assemblies are arranged side by side, and the drive roller assembly includes a U-shaped frame 2 and a drive roller 4, a mounting shaft 41 is installed on the drive roller 4, and the drive roller 4 is rotatably installed on the upper end of the U-shaped frame 2 through the mounting shaft 41; multiple rollers a141 are installed at the bottom end of the U-shaped frame 2; multiple drive roller assemblies are equidistantly installed between the two groups of scissor-type telescopic frames 1; the transmission mechanism is used to drive multiple drive rollers 4 to rotate.

[0022] In this embodiment, the scissors-type telescopic frame 1 is started to drive its extension. The extension of the scissors-type telescopic frame 1 increases the distance between two adjacent driving rollers 4, thereby enabling long-distance transportation of the opposite tube. After the traction work is completed, the scissors-type telescopic frame 1 retracts to the shortest length, thereby reducing the occupied space of the device.

[0023] Embodiment 2

[0024] like Figure 2 and Figure 3As shown, a square tube traction device proposed in this embodiment, compared with the first embodiment, in this embodiment, two transmission mechanisms are provided, and the two transmission mechanisms are respectively located at the two ends of the U-shaped frame 2, the transmission mechanism includes a transmission belt 18 and a plurality of servo motors a19, and transmission rollers c20 are provided on both sides of the bottom of the plurality of mounting shafts 41. The provision of the two transmission rollers c20 can increase the wrapping angle between the transmission belt 18 and the mounting shaft 41 to ensure that the mounting shaft 41 can rotate smoothly, and the transmission roller c20 is rotatably installed on the U-shaped frame 2, and the transmission belt 18 is sleeved on the plurality of mounting shafts 41 and the plurality of transmission rollers c20. The plurality of servo motors a19 are respectively installed on any plurality of U-shaped frames 2, and the output shafts of the servo motors a19 are connected to the corresponding mounting shafts 41. The servo motor a19 is started to work to drive the mounting shaft 41 to rotate, and the rotation of the mounting shaft 41 can drive the transmission roller 4 to rotate. Under the transmission action of the transmission belt 18, the plurality of mounting shafts 41 are driven to rotate, and then the plurality of transmission rollers 4 can be driven to rotate, thereby realizing the conveying and traction of the square tube.

[0025] A linear drive mechanism c16 is installed on the U-shaped frame 2 located in the middle, and a lifting plate 15 is connected to the output shaft of the linear drive mechanism c16. A plurality of transmission rollers b17 are rotatably installed on the lifting plate 15, and the transmission belts 18 on both sides are sleeved on the plurality of transmission rollers b17. When the scissors-type telescopic frame 1 is extended, the lifting plate 15 is synchronously driven to move upward, and when the scissors-type telescopic frame 1 is retracted, the lifting plate 15 is synchronously driven to move downward, so that the transmission belt 18 is always in a taut state. In order to prevent slipping, anti-slip patterns can be provided on the surfaces of the mounting shaft 41, the transmission rollers b17 and the transmission belt 18 to increase friction.

[0026] Embodiment 3

[0027] like Figure 1As shown, a square tube traction device proposed in this embodiment, compared with the first embodiment, in this embodiment, it also includes a lifting mechanism, the lifting mechanism includes a gantry 3, two groups of fixed components and a driving component installed on the gantry 3 and used to drive the two groups of fixed components to rise and fall synchronously, and a plurality of rollers b142 are installed at the bottom end of the gantry 3; a fixed component mounting frame 11 and two symmetrically arranged clamping members, the clamping members include a linear drive mechanism b12 and a clamping plate 13, the linear drive mechanism b12 is installed on the mounting frame 11, and the clamping plate 13 is connected to the output shaft of the linear drive mechanism b12; the driving assembly includes a power member and two retractable members; two mounting seats 21 are provided at the top of the gantry 3, the retractable member includes a winding drum 22, a lifting rope 23 and a transmission shaft 24, the transmission shaft 24 is rotatably installed on the mounting seat 21 on the corresponding side, the winding drum 22 is installed at the end of the transmission shaft 24, one end of the lifting rope 23 is fixedly wound around the winding drum 22, and the other end is connected to the corresponding side The power part includes a servo motor b25 and three bevel gears 26. The servo motor b25 is installed on the gantry 3. A bevel gear 26 is connected to the output shaft of the servo motor b25. The other two bevel gears 26 are respectively connected to the transmission shafts 24 on both sides. The bevel gears 26 on both sides are meshed with the middle bevel gear 26. Move the gantry 3 to the position of the square tube to be lifted, place the mounting frame 11 on the outside of the square tube, then start the linear drive mechanism b12 to drive the clamping plate 13 to clamp the square tube, and then clamp the square tube through the fixing assembly on the other side, and then start the servo motor b25 to drive the winding disks 22 on both sides to rotate, so as to realize the winding of the lifting rope 23, thereby driving the fixing assembly and the square tube to move upward until they move to the upper position of the transmission roller 4, and then drive the gantry 3 to move to the position of the transmission roller 4, and then release the fixing work of the square tube. At this time, the square tube falls on the transmission roller 4 and is transported away.

[0028] Embodiment 4

[0029] like Figure 1As shown, a square tube traction device proposed in this embodiment, compared with the first embodiment, in this embodiment, further includes two limiting mechanisms, the two limiting mechanisms are respectively installed on the scissor-type telescopic frames 1 on both sides, the limiting mechanism includes a linear drive mechanism a9, a connecting plate 10, a plurality of limiting members, a plurality of telescopic rods 6 and a plurality of vertical rods 5, the plurality of vertical rods 5 are equidistantly installed on the scissor-type telescopic frame 1, the scissor-type telescopic frame 1 is composed of a plurality of X-shaped scissor frames, and the vertical rod 5 is arranged at the connection of the two scissor frames, the two end points of the connection of the two scissor frames are slidably installed on the vertical rod 5, and the plurality of vertical rods 5 and the plurality of U-shaped frames 2 are mutually The limiter is arranged at intervals, and includes a push rod 7 and a limit plate 8. The push rod 7 movably passes through the top end of the vertical rod 5 on the corresponding side. The limit plate 8 is connected to the end of the push rod 7. Two adjacent push rods 7 are connected by a telescopic rod 6. The linear drive mechanism a9 is installed on the U-shaped frame 2 and its output shaft is connected to the connecting plate 10. The connecting plate 10 is connected to the end of the push rod 7 on any side. The linear drive mechanism a9 is started to drive the connecting plate 10 to move, thereby driving multiple limit plates 8 to move. By adjusting the spacing between two relatively set limit plates 8, the limit work of square tubes of different sizes can be realized to prevent the square tubes from deviating during movement.

[0030] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A square tube traction device, characterized in that: include: A plurality of transmission roller assemblies are arranged side by side, the transmission roller assemblies comprising a U-shaped frame (2) and a transmission roller (4), a mounting shaft (41) being mounted on the transmission roller (4), and the transmission roller (4) is rotatably mounted on the upper end of the U-shaped frame (2) via the mounting shaft (41); a plurality of rollers a (141) are mounted on the bottom end of the U-shaped frame (2); Two sets of scissor-type telescopic frames (1), a plurality of transmission roller assemblies are equidistantly installed between the two sets of scissor-type telescopic frames (1); A transmission mechanism for driving a plurality of transmission rollers (4) to rotate.

2. A square tube pulling device according to claim 1, characterized in that: Two transmission mechanisms are provided, and the two transmission mechanisms are respectively located at two ends of the U-shaped frame (2). The transmission mechanisms include a transmission belt (18) and a plurality of servo motors a (19). Transmission rollers c (20) are provided on both sides of the bottom of the plurality of mounting shafts (41). The transmission rollers c (20) are rotatably mounted on the U-shaped frame (2). The transmission belt (18) is sleeved and mounted on the plurality of mounting shafts (41) and the plurality of transmission rollers c (20). The plurality of servo motors a (19) are respectively mounted on any plurality of U-shaped frames (2), and the output shafts of the servo motors a (19) are connected to the corresponding mounting shafts (41).

3. A square tube pulling device according to claim 2, characterized in that: A linear drive mechanism c (16) is installed on the U-shaped frame (2) located in the middle, and a lifting plate (15) is connected to the output shaft of the linear drive mechanism c (16). A plurality of transmission rollers b (17) are rotatably installed on the lifting plate (15), and transmission belts (18) on both sides are sleeved on the plurality of transmission rollers b (17).

4. A square tube pulling device according to claim 1, characterized in that: The invention also comprises a lifting mechanism, which comprises a gantry (3), two groups of fixing components and a driving component installed on the gantry (3) and used for driving the two groups of fixing components to rise and fall synchronously, and a plurality of rollers b (142) are installed at the bottom end of the gantry (3).

5. A square tube pulling device according to claim 4, characterized in that: A fixing assembly mounting frame (11) and two symmetrically arranged clamping members, the clamping members comprising a linear drive mechanism b (12) and a clamping plate (13), the linear drive mechanism b (12) being mounted on the mounting frame (11), and the clamping plate (13) being connected to an output shaft of the linear drive mechanism b (12).

6. A square tube pulling device according to claim 5, characterized in that: The driving assembly comprises a power component and two retractable components; two mounting seats (21) are arranged at the top of the gantry (3); the retractable components comprise a reel (22), a suspension rope (23) and a transmission shaft (24); the transmission shaft (24) is rotatably mounted on the mounting seat (21) on the corresponding side; the reel (22) is mounted on the end of the transmission shaft (24); one end of the suspension rope (23) is fixedly wound around the reel (22), and the other end is connected to the mounting frame (11) on the corresponding side; the power component comprises a servo motor b (25) and three bevel gears (26); the servo motor b (25) is mounted on the gantry (3); one bevel gear (26) is connected to the output shaft of the servo motor b (25); the other two bevel gears (26) are respectively connected to the transmission shafts (24) on both sides; the bevel gears (26) on both sides are meshed with the middle bevel gear (26).

7. A square tube pulling device according to claim 1, characterized in that: The invention also comprises two limiting mechanisms, which are respectively mounted on the scissor-type telescopic frames (1) on both sides. The limiting mechanisms comprise a linear drive mechanism a (9), a connecting plate (10), a plurality of limiting members, a plurality of telescopic rods (6) and a plurality of vertical rods (5). The plurality of vertical rods (5) are equidistantly mounted on the scissor-type telescopic frames (1), and the plurality of vertical rods (5) and the plurality of U-shaped frames (2) are arranged at intervals from each other. The limiting members comprise a push rod (7) and a limiting plate (8). The push rod (7) movably passes through the top end of the vertical rod (5) on the corresponding side. The limiting plate (8) is connected to the end of the push rod (7). Two adjacent push rods (7) are connected via the telescopic rod (6). The linear drive mechanism a (9) is mounted on the U-shaped frame (2) and its output shaft is connected to the connecting plate (10). The connecting plate (10) is connected to the end of the push rod (7) on any side.

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