Roller assembly capable of being rapidly adjusted and installed

Abstract

The utility model discloses a roller component capable of being quickly adjusted and mounted, which relates to the technical field of mechanical parts and comprises a mounting frame and a roller adjusting device. The roller adjusting device comprises two sliding tables, two guide sliding rods, two cylindrical blocks, two mounting plates, a roller, a servo motor, an adjusting roller and two rotating shafts, two sliding grooves are formed in the top of the mounting frame, the two sliding tables are slidably connected into the two sliding grooves respectively, the two guide sliding rods are slidably connected into the two sliding tables in a sleeved mode respectively, and the two cylindrical blocks are arranged on the two sliding tables. The two guide sliding rods are fixedly connected to the inner wall of the sliding groove, the two cylindrical blocks are slidably mounted in the two sliding tables correspondingly, the servo motor is fixedly mounted at the left end of the mounting frame, the adjusting roller is fixedly connected to the output end of the servo motor, and a worker can adjust the distance between the two rolling wheels according to the width size of a steel plate; therefore, the roller assembly can be used for limiting and conveying the steel plates with different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical accessories, and particularly relates to a roller assembly with quick-adjustment installation. Background Art

[0002] Roller assemblies are widely used on various equipment such as boxes, cabinets, turnover carts, and construction machinery to facilitate the movement of the equipment. In some occasions, it is necessary to perform real-time dynamic weighing of the overall quality of the equipment. Related roller assemblies include load cells, which weigh by measuring the supporting force transmitted by the roller assembly to the equipment.

[0003] A bridge generally refers to a structure erected over rivers, lakes, and seas to enable vehicles and pedestrians to pass smoothly. To adapt to the modern high-speed development of the transportation industry, a bridge is also extended to a building that is erected across mountain streams, poor geological conditions, or to meet other transportation needs to make passage more convenient. Currently, the placement spacing of the movable rollers used for the installation of existing steel structure bridges is fixed and non-adjustable, and the staff cannot adjust the spacing between the two rollers according to the width dimension of the steel plate. Therefore, it is impossible to perform limit transportation on steel plates of different sizes, which in turn affects the convenience of butt-joint between steel plates of different sizes. Content of the Utility Model

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a roller assembly with quick-adjustment installation, which can solve the problem that the placement spacing of the movable rollers used for the installation of existing steel structure bridges is fixed and non-adjustable, and the staff cannot adjust the spacing between the two rollers according to the width dimension of the steel plate. Therefore, it is impossible to perform limit transportation on steel plates of different sizes, which in turn affects the convenience of butt-joint between steel plates of different sizes.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A roller assembly with quick-adjustment installation includes an installation frame and a roller adjustment device; the roller adjustment device includes two sliding tables, two guiding slide rods, two cylindrical blocks, two mounting plates, rollers, a servo motor, an adjustment rod, and two rotating shafts. Two chutes are opened at the top of the installation frame, and the two sliding tables are respectively slidably connected inside the two chutes. The two guiding slide rods are respectively slidably sleeved inside the two sliding tables, and the two guiding slide rods are fixedly connected to the inner walls of the chutes. The two cylindrical blocks are respectively slidably installed inside the two sliding tables. The servo motor is fixedly installed at the left end of the installation frame, and the adjustment rod is fixedly connected to the output end of the servo motor. Two spiral chutes are opened on the surface of the adjustment rod, and the spiral directions of the two spiral chutes are opposite. The two rotating shafts are respectively rotatably connected to the bottoms of the two sliding tables, and the lower ends of the two rotating shafts are respectively slidably clamped inside the two spiral chutes.

[0006] Preferably, the two mounting plates are respectively slidably connected to opposite ends of the two cylindrical blocks, and the rollers are linearly rotatably connected to the surfaces of the two mounting plates.

[0007] Preferably, sleeves are fixedly connected to the surfaces of the two sliding platforms, and fixed shafts are slidably connected to the interiors of the two sleeves.

[0008] Preferably, pull rods are slidably connected to the interiors of the two sleeves, and the front ends of the pull rods are fixedly connected to the rear ends of the fixed shafts.

[0009] Preferably, coil springs are slidably sleeved on the surfaces of the two pull rods, the front ends of the coil springs are fixedly connected to the rear ends of the fixed shafts, and the rear ends of the coil springs are fixedly connected to the inner walls of the sleeves.

[0010] Preferably, fixing holes are formed in the surfaces of the two cylindrical blocks, and the front ends of the two fixed shafts are respectively slidably clamped in the two fixing holes.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. For the roller assembly with quick adjustment and installation, when the servo motor stops running, the brake can maintain the position of the motor through the braking torque, so that the rollers on both sides can be kept in fixed positions. The staff can adjust the distance between the two rollers according to the width dimension of the steel plate. Therefore, the roller assembly can limit and convey steel plates of different sizes, thereby improving the convenience of butt-jointing between steel plates of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present utility model will be further described below with reference to the drawings and embodiments:

[0014] Figure 1 is an overall structural schematic diagram of a roller assembly with quick adjustment and installation of the present utility model;

[0015] Figure 2 is a bottom structural schematic diagram of the mounting frame of the present utility model;

[0016] Figure 3 is a surface structural schematic diagram of the sliding platform of the present utility model;

[0017] Figure 4 is a cross-sectional structural schematic diagram of the cylindrical block of the present utility model.

[0018] Reference numerals: 1, mounting frame; 2, chute; 3, sliding platform; 4, guiding slide bar; 5, cylindrical block; 6, mounting plate; 7, roller; 8, servo motor; 9, adjusting rod; 10, spiral card slot; 11, rotating shaft; 12, sleeve; 13, fixed shaft; 14, pull rod; 15, coil spring; 16, fixing hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The function of the accompanying drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. However, it should not be construed as a limitation on the protection scope of the present utility model.

[0020] In the description of the present utility model, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc., is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the present utility model.

[0021] In the description of the present utility model, greater than, less than, exceeding, etc. are understood as not including the number itself, and above, below, within, etc. are understood as including the number itself. If the first and second are described only for the purpose of distinguishing technical features, it should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or the sequence relationship of the indicated technical features.

[0022] In the description of the present utility model, unless otherwise clearly defined, words such as setting, installing, connecting, etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.

[0023] Please refer to Figures 1-4 , the present utility model provides a technical solution: a roller assembly for quick adjustment and installation, including an installation frame 1 and a roller adjustment device. The roller adjustment device includes two sliding platforms 3, two guiding sliding rods 4, two cylindrical blocks 5, two mounting plates 6, rollers 7, a servo motor 8, an adjustment rod 9, and two rotating shafts 11. Two sliding grooves 2 are opened at the top of the installation frame 1. The two sliding platforms 3 are respectively slidably connected inside the two sliding grooves 2. The two guiding sliding rods 4 are respectively slidably sleeved inside the two sliding platforms 3. The two guiding sliding rods 4 are fixedly connected to the inner walls of the sliding grooves 2. The two cylindrical blocks 5 are respectively slidably installed inside the two sliding platforms 3. The two mounting plates 6 are respectively slidably connected to the opposite ends of the two cylindrical blocks 5. The rollers 7 are linearly rotatably connected to the surfaces of the two mounting plates 6. The servo motor 8 is fixedly installed at the left end of the installation frame 1. The adjustment rod 9 is fixedly connected to the output end of the servo motor 8. Two spiral card slots 10 are opened on the surface of the adjustment rod 9. The spiral directions of the two spiral card slots 10 are opposite. The two rotating shafts 11 are respectively rotatably connected to the bottoms of the two sliding platforms 3. The lower ends of the two rotating shafts 11 are respectively slidably clamped inside the two spiral card slots 10.

[0024] The staff can place the steel plate on the top of the rollers 7 on the left and right sides, and the steel plate can be transported by the rollers 7 on the left and right sides. When the staff needs to transport steel plates of different sizes, the staff can start the servo motor 8. The output end of the servo motor 8 rotates to drive the adjusting rod 9 to rotate. The rotation of the adjusting rod 9 can drive the two spiral grooves 10 to rotate and squeeze the lower ends of the two rotating shafts 11, and drive the two rotating shafts 11 to slide relative to each other. The sliding of the two rotating shafts 11 can drive the two slides 3 to slide on the surfaces of the two guide slide bars 4. The two guide slide bars 4 can ensure that the two slides 3 slide horizontally left and right. The two slides 3 slide That is, the two mounting plates 6 can be used to drive the rollers 7 on the left and right sides to slide relative to and against each other to adjust the spacing, and the servo motor 8 is a new type of motor with a brake from Panasonic. It adds a brake on the basis of an ordinary servo motor, which can achieve more efficient control and safer operation. The brake can maintain the position of the motor through the braking torque when the servo motor 8 stops running, thereby keeping the rollers 7 on the left and right sides in a fixed position. The staff can adjust the spacing between the two rollers 7 according to the width of the steel plate. Therefore, the roller assembly can limit the conveyance of steel plates of different sizes, thereby improving the convenience of docking between steel plates of different sizes.

[0025] The surfaces of the two slides 3 are fixedly connected with sleeves 12, the interiors of the two sleeves 12 are slidably connected with fixed shafts 13, the interiors of the two sleeves 12 are slidably connected with pull rods 14, the front ends of the pull rods 14 are fixedly connected to the rear ends of the fixed shafts 13, the surfaces of the two pull rods 14 are slidably sleeved with sleeve springs 15, the front ends of the sleeve springs 15 are fixedly connected to the rear ends of the fixed shafts 13, and the rear ends of the sleeve springs 15 are fixedly connected to the inner wall of the sleeve 12, and the surfaces of the two cylindrical blocks 5 are provided with fixed clamping holes 16, and the front ends of the two fixed shafts 13 are slidably clamped in the interiors of the two fixed clamping holes 16 respectively.

[0026] The staff slides the pull rod 14 backward and drives the fixed shaft 13 to slide backward to squeeze the sleeve spring 15. The sleeve spring 15 gives the fixed shaft 13 an elastic force toward the front side. The fixed shaft 13 slides backward out of the fixed clamping hole 16 to release the fixing effect on the cylindrical block 5. Then the staff slides the mounting plate 6 and drives the cylindrical block 5 to detach from the inside of the slide 3 to complete the disassembly of the roller 7, which is convenient for the staff to disassemble the roller 7 and improves the convenience of disassembly and installation of the roller 7.

[0027] Working principle: For the roller assembly that can be quickly adjusted and installed, the staff starts the servo motor 8, and the output end of the servo motor 8 rotates to drive the adjusting rod 9 to rotate. The rotation of the adjusting rod 9 can drive the two spiral grooves 10 to rotate and squeeze the lower ends of the two rotating shafts 11, and drive the two rotating shafts 11 to slide relative to and opposite to each other. The sliding of the two rotating shafts 11 can drive the two slides 3 to slide on the surfaces of the two guide slide bars 4. The sliding of the two slides 3 can drive the rollers 7 on the left and right sides to slide relative to and opposite to each other through the two mounting plates 6 to adjust the spacing to limit the conveying of steel plates of different sizes. The staff slides the pull rod 14 to the rear side and drives the fixed shaft 13 to slide to the rear side to squeeze the sleeve spring 15. The fixed shaft 13 slides to the rear side out of the fixed card hole 16 to release the fixing effect on the cylindrical block 5. Then the staff slides the mounting plate 6 and drives the cylindrical block 5 to detach from the interior of the slide 3 to complete the disassembly of the roller 7, which improves the convenience of disassembly and installation of the roller 7.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A roller assembly for quick adjustment and installation, characterized in that: include: A mounting frame (1) and a roller adjustment device; The roller adjustment device comprises two slides (3), two guide slides (4), two cylindrical blocks (5), two mounting plates (6), rollers (7), a servo motor (8), an adjustment rod (9) and two rotating shafts (11). Two slide grooves (2) are provided on the top of the mounting frame (1). The two slides (3) are respectively slidably connected inside the two slide grooves (2). The two guide slides (4) are respectively slidably sleeved inside the two slides (3). The two guide slides (4) are both fixedly connected to the inner wall of the slide groove (2). The two cylindrical blocks (5) are respectively slidably mounted inside the two slides (3); the servo motor (8) is fixedly mounted on the left end of the mounting frame (1); the adjusting rod (9) is fixedly connected to the output end of the servo motor (8); the surface of the adjusting rod (9) is provided with two spiral grooves (10); the spiral directions of the two spiral grooves (10) are opposite; the two rotating shafts (11) are respectively rotatably connected to the bottom of the two slides (3); the lower ends of the two rotating shafts (11) are respectively slidably engaged inside the two spiral grooves (10).

2. A roller assembly for quick adjustment and installation according to claim 1, characterized in that: The two mounting plates (6) are respectively slidably connected to opposite ends of the two cylindrical blocks (5), and the roller (7) is linearly rotatably connected to the surfaces of the two mounting plates (6).

3. A roller assembly for quick adjustment and installation according to claim 1, characterized in that: The surfaces of the two slides (3) are fixedly connected with sleeves (12), and the interiors of the two sleeves (12) are slidably connected with fixed shafts (13).

4. A roller assembly for quick adjustment and installation according to claim 3, characterized in that: The interiors of the two sleeves (12) are both slidably connected with pull rods (14), and the front ends of the pull rods (14) are fixedly connected to the rear ends of the fixed shafts (13).

5. A roller assembly for quick adjustment and installation according to claim 4, characterized in that: The surfaces of the two pull rods (14) are both slidably sleeved with sleeve springs (15), the front end of the sleeve spring (15) is fixedly connected to the rear end of the fixed shaft (13), and the rear end of the sleeve spring (15) is fixedly connected to the inner wall of the sleeve (12).

6. A roller assembly for quick adjustment and installation according to claim 5, characterized in that: The surfaces of the two cylindrical blocks (5) are both provided with fixing holes (16), and the front ends of the two fixing shafts (13) are respectively slidably engaged in the inside of the two fixing holes (16).

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