Supporting roller trolley with lifting adjusting device

Abstract

The utility model relates to a supporting roller trolley with a lifting adjusting device. The supporting roller trolley comprises a frame, rolling wheels are rotationally installed on the two sides of the frame, a supporting frame is arranged on the frame, a first screw rod is rotationally installed on the supporting frame, a sliding seat is installed on the supporting frame in a sliding mode, the sliding seat is in threaded connection with the first screw rod, and supporting rollers are arranged on the sliding seat in a sliding mode; a driving piece for driving the first screw rod to rotate is arranged on the frame; the mandrel is placed on the upper sides of the supporting rollers, the driving piece drives the first screw to rotate to drive the sliding seat to slide, the height position of the supporting rollers on the sliding seat and the positions of the supporting rollers on the two sides are adjusted, and the mandrel supporting device has the effect of being suitable for supporting mandrels with different diameters.

Description

Technical Field

[0001] The present application relates to the field of pipe transport equipment, and in particular to a support roller trolley with a lifting and adjusting device. Background Art

[0002] Large-diameter, thin-walled boiler seamless steel tubes are usually processed by cold drawing. During the cold drawing process, a mandrel is required to support the metal tube and guide the metal tube through the die during the drawing process to ensure the dimensional accuracy and surface quality of the tube.

[0003] Usually a support trolley is needed to support the mandrel, but due to the large number of rolled specifications of pipe fittings, mandrels of different diameters need to be frequently replaced to adapt, and the height of the support trolley is usually fixed, which has a poor supporting effect on mandrels of different diameters. Utility Model Content

[0004] In order to solve the problem that the height of the supporting trolley is fixed and the supporting effect on core rods of different diameters is poor, the present application provides a supporting roller trolley with a lifting and adjusting device.

[0005] The present application provides a support roller trolley with a lifting and adjusting device adopts the following technical solution:

[0006] A support roller trolley with a lifting and adjusting device includes a frame, rollers are rotatably installed on both sides of the frame, a support frame is provided on the frame, a first screw is rotatably installed on the support frame, a sliding seat is slidably installed on the support frame, the sliding seat is threadedly connected to the first screw, support rollers are provided on the sliding seat, the support rollers are arranged in pairs and are slidably installed on the sliding seat, and a driving member that drives the first screw to rotate is provided on the frame.

[0007] By adopting the above technical solution, the core rod is placed on the upper side of the support rollers on both sides, the driving member drives the first screw to rotate and drives the sliding seat to slide, and adjusts the height position of the support roller on the sliding seat and the position of the support rollers on both sides, which is suitable for supporting core rods of different diameters.

[0008] Optionally, the driving member includes a motor and a first gear, the motor is arranged on the frame, the first gear is arranged at the output shaft of the motor, a rotating rod is arranged on the frame, a second gear is arranged on the rotating rod, the second gear is engaged with the first gear, and the rotating rod drives the first screw to rotate through a connecting member.

[0009] By adopting the above technical solution, the motor drives the first gear to rotate the second gear and then drives the rotating rod to rotate. The rotating rod drives the first screw to rotate through the connecting piece for adjustment, and the adjustment operation is more convenient.

[0010] Optionally, the connecting member includes a worm wheel and a worm, the worm is arranged at one end of the rotating rod and coaxially with the rotating rod, the worm wheel is arranged at one end of the first screw and coaxially with the first screw, and one side of the worm wheel is engaged with one side of the worm.

[0011] By adopting the above technical solution, the rotating rod drives the worm to rotate and then drives, the worm drives the meshing worm wheel to rotate and then drives the first screw to rotate, and the operation of driving the first screw to rotate is convenient.

[0012] Optionally, a sliding groove is provided on the sliding seat, a slider is slidingly installed on the sliding groove of the sliding seat, the support roller is rotatably installed on the slider, and an adjusting member for driving the slider to slide is provided on the sliding seat.

[0013] By adopting the above technical solution, the core rod is placed on two opposite support rollers, and the adjusting member drives the support rollers to slide and adjust the relative position between the support rollers on both sides, which is suitable for supporting core rods of different diameters.

[0014] Optionally, the adjusting member includes a second screw, which is rotatably mounted on the sliding seat. The second screw is provided with two opposite sections of threads, and the sliders on both sides are threadedly connected to the second screw at the two opposite sections of threads.

[0015] By adopting the above technical solution, the second screw is rotated to drive the sliders on both sides to slide in opposite directions or towards each other, thereby adjusting the positions of the support rollers on both sides, and the adjustment operation is relatively convenient.

[0016] Optionally, the support roller is a frustum, and the smaller bottom surfaces of the support rollers on both sides are arranged opposite to each other.

[0017] By adopting the above technical solution, the core rod is placed at the upper position between the support rollers on both sides. When the trolley moves, the support rollers on both sides rotate, which makes it easy to adjust the support position of the trolley.

[0018] Optionally, a connecting rod is inserted into the sliding seat, the support roller is rotatably mounted on one side of the connecting rod, the sliding seat is provided with a pin for fixing the connecting rod, and the sliding seat is provided with a locking bolt for locking the pin.

[0019] By adopting the above technical solution, the connecting rod is inserted into the sliding seat and fixed by the latch. After the locking bolt is tightened, the support roller is installed. When the support roller needs to be replaced, the latch is removed and the connecting rod is slid out for replacement. The replacement operation is relatively convenient.

[0020] Optionally, a handwheel is provided at one end of the second screw.

[0021] By adopting the above technical solution, it is more convenient to rotate the second screw by the hand wheel.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. The motor drives the first screw to rotate through the rotating rod, which in turn drives the sliding seat to slide and adjust the height position of the support roller on the sliding seat. It is suitable for supporting mandrels of different diameters.

[0024] 2. The mandrel is placed on two opposite support rollers, and the second screw is rotated to adjust the relative position between the support rollers on both sides for secondary adjustment. It is suitable for supporting mandrels of different diameters.

[0025] 3. The support roller is detachably mounted on the sliding seat through a connecting rod, making it convenient to replace different support rollers according to the situation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of this application.

[0027] Figure 2 It is a schematic diagram of the three-dimensional structure of the sliding seat of the present application when it is lifted.

[0028] Figure 3 It is an enlarged schematic diagram of the three-dimensional structure of part A of this application.

[0029] Figure 4 It is a partial cross-sectional structural diagram of the slider of the present application.

[0030] Those skilled in the art will appreciate that the elements in the drawings are shown for simplicity and clarity and are not necessarily drawn to scale. For example, the size and position of some elements in the drawings may be exaggerated relative to other elements to help improve understanding of the embodiments of the present invention.

[0031] Figure markings: 1. Frame; 11. Roller; 12. First mounting slot; 13. Second mounting slot; 2. Support frame; 21. First screw; 3. Sliding seat; 31. Slide slot; 32. Slider; 33. Connecting rod; 34. Latch; 35. Locking bolt; 4. Support roller; 5. Driving member; 51. Motor; 52. First gear; 53. Rotating rod; 54. Second gear; 6. Connecting member; 61. Worm gear; 62. Worm; 7. Second screw; 71. Handwheel. DETAILED DESCRIPTION

[0032] The present application is further described in detail below with reference to the accompanying drawings.

[0033] The embodiment of the present application discloses a support roller trolley with a lifting and adjusting device, referring to Figure 1 and Figure 2, including a frame 1, rollers 11 are rotatably installed on both sides of the frame 1, a support frame 2 is vertically arranged on the frame 1, and the support frame 2 is provided with a relatively distributed, a first screw 21 is vertically rotatably installed on the support frame 2, and a sliding seat 3 is slidably installed on the support frame 2 along the vertical direction, the sliding seat 3 is horizontally arranged, and the two ends of the sliding seat 3 are respectively threadedly connected to the first screw 21 on both sides, a supporting roller 4 is provided on the sliding seat 3, and the mandrel is placed on the upper side of the supporting roller 4, and a driving member 5 is provided on the frame 1, and the driving member 5 drives the first screw 21 to rotate and drive the sliding seat 3 to slide, thereby adjusting the height position of the support roller 4 on the sliding seat 3, which is suitable for supporting mandrels of different diameters.

[0034] Reference Figure 3 The driving member 5 includes a motor 51 and a first gear 52. A first mounting slot 12 is provided on the frame 1. The motor 51 is provided at the first mounting slot 12 of the frame 1. The first gear 52 is provided at the output shaft of the motor 51 and is coaxial with the output shaft. A rotating rod 53 is rotatably installed on the frame 1. The rotating rod 53 is distributed along the width direction of the frame 1. The middle position of the rotating rod 53 is located at the first mounting slot 12. A second gear 54 is coaxially provided on the rotating rod 53. The second gear 54 is engaged with one side of the first gear 52. The motor 51 drives the first gear 52 to drive the second gear 54 to rotate and then drive the rotating rod 53 to rotate.

[0035] Reference Figure 2 and Figure 3 The vehicle frame 1 is provided with a connecting member 6, which includes a worm wheel 61 and a worm 62. A second mounting slot 13 is provided on the vehicle frame 1 on the downward side of the support frame 2. The worm 62 is rotatably mounted in the second mounting slot 13. Both ends of the rotating rod 53 are located in the second mounting slot 13. The worm 62 is coaxially arranged with the rotating rod 53. The worm wheel 61 is provided at the downward end of the first screw 21 and is coaxially arranged with the first screw 21. One side of the worm wheel 61 meshes with one side of the worm 62. When the rotating rod 53 rotates, it drives the worms 62 at both ends to rotate. The worm 62 drives the meshing worm wheels 61 to rotate, and then drives the first screw 21 to rotate. The first screws 21 on both sides are rotated and adjusted simultaneously by the rotating rod 53.

[0036] Reference Figure 4 The sliding seat 3 has a sliding groove 31 along its length. A slider 32 is slidably mounted on the sliding seat 3. The support roller 4 is rotatably mounted on the slider 32. Two sliders 32 are provided and are arranged opposite each other on the sliding seat 3. The support roller 4 is mounted on the slider 32. The support roller 4 is a frustum, with the smaller bottom surfaces of the support rollers 4 on both sides facing each other. The mandrel is placed in the upper position between the two support rollers 4. When the trolley moves, the support rollers 4 on both sides rotate.

[0037] Reference Figure 4The sliding seat 3 is provided with an adjustment member, which includes a second screw 7. The second screw 7 is rotatably mounted on the sliding groove 31 of the sliding seat 3. The second screw 7 is provided with two opposite threads. The sliders 32 on both sides are respectively threadedly connected to the second screw 7 at the two opposite threads. A handwheel 71 is provided at one end of the second screw 7. Rotating the second screw 7 drives the sliders 32 on both sides to slide in opposite directions or toward each other, thereby adjusting the relative position between the support rollers 4 on both sides. This is suitable for supporting mandrels of different diameters.

[0038] Reference Figure 4 A connecting rod 33 is vertically inserted on the sliding seat 3, and the supporting roller 4 is rotatably installed on the upward side of the connecting rod 33. A latch 34 is provided on the sliding seat 3. The connecting rod 33 is inserted on the sliding seat 3 and fixed by the latch 34. A locking bolt 35 is provided on the sliding seat 3. After locking with the locking bolt 35, the supporting roller 4 is installed. When the supporting roller 4 needs to be replaced, the latch 34 is removed and the connecting rod 33 is slid out for replacement.

[0039] The implementation principle of a support roller trolley with a lifting and adjusting device in an embodiment of the present application is as follows: the core rod is placed on the upper side of the support rollers 4 on both sides. When supporting core rods of different diameters, the motor 51 drives the rotating rod 53 to drive the first screws 21 on both sides to rotate, thereby adjusting the height of the sliding seat 3, adjusting the height position of the support roller 4, and rotating the second screw 7 to adjust the position distance between the support rollers 4 on both sides, which is suitable for supporting core rods of different diameters.

[0040] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A support roller trolley with a lifting and adjusting device, comprising a frame (1), with rollers (11) rotatably mounted on both sides of the frame (1), characterized in that: The vehicle frame (1) is provided with a support frame (2), a first screw (21) is rotatably mounted on the support frame (2), a sliding seat (3) is slidably mounted on the support frame (2), the sliding seat (3) is threadedly connected to the first screw (21), a support roller (4) is provided on the sliding seat (3), the support rollers (4) are arranged in pairs and slidably mounted on the sliding seat (3), and a driving member (5) for driving the first screw (21) to rotate is provided on the vehicle frame (1).

2. The supporting roller trolley with a lifting and adjusting device according to claim 1, characterized in that: The driving member (5) includes a motor (51) and a first gear (52). The motor (51) is arranged on the vehicle frame (1). The first gear (52) is arranged at the output shaft of the motor (51). A rotating rod (53) is arranged on the vehicle frame (1). A second gear (54) is arranged on the rotating rod (53). The second gear (54) is engaged with the first gear (52). The rotating rod (53) drives the first screw (21) to rotate through a connecting member (6).

3. The supporting roller trolley with a lifting and adjusting device according to claim 2, characterized in that: The connecting member (6) includes a worm wheel (61) and a worm (62), wherein the worm (62) is arranged at one end of the rotating rod (53) and is coaxial with the rotating rod (53), and the worm wheel (61) is arranged at one end of the first screw (21) and is coaxial with the first screw (21), and one side of the worm wheel (61) is meshed with one side of the worm (62).

4. The supporting roller trolley with a lifting and adjusting device according to claim 1, characterized in that: A slide groove (31) is provided on the sliding seat (3), a slider (32) is slidably installed on the sliding seat (3) at the slide groove (31), the support roller (4) is rotatably installed on the slider (32), and an adjustment member for driving the support roller (4) to slide is provided on the sliding seat (3).

5. The supporting roller trolley with a lifting and adjusting device according to claim 4, characterized in that: The adjusting member comprises a second screw (7), which is rotatably mounted on the sliding seat (3). The second screw (7) is provided with two opposite sections of threads, and the sliders (32) on both sides are respectively threadedly connected to the second screw (7) at the two opposite sections of threads.

6. The supporting roller trolley with a lifting and adjusting device according to claim 1, characterized in that: The support roller (4) is a truncated cone, and the smaller bottom surfaces of the support rollers (4) on both sides are arranged opposite to each other.

7. The supporting roller trolley with a lifting and adjusting device according to claim 1, characterized in that: A connecting rod (33) is inserted into the sliding seat (3), the supporting roller (4) is rotatably mounted on one side of the connecting rod (33), a latch (34) for fixing the connecting rod (33) is provided on the sliding seat (3), and a locking bolt (35) for locking the latch (34) is provided on the sliding seat (3).

8. The supporting roller trolley with a lifting and adjusting device according to claim 5, characterized in that: A hand wheel (71) is provided at one end of the second screw (7).

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