一种称重变送器快速锁紧装置

Abstract

本实用新型涉及称重变送器技术领域，公开了一种称重变送器快速锁紧装置，包括称重变送器，所述称重变送器的背面分别固定连接有两个左右对称的L型驱动壳和两个上下对称的装配板，每个所述L型驱动壳的内顶壁和内底壁均固定连接有第一滚珠轴承，该装置通过双向螺纹轴、位移板、限位板与限位槽配合，结合驱动轴、伞齿轮组传动，转动旋钮可带动驱动轴旋转，第一伞齿轮啮合驱动两侧第二伞齿轮反向转动，再经转向轴、第四伞齿轮与第三伞齿轮啮合，驱动两反向螺纹双向螺纹轴同步转动，使位移板在导向下移动，带动夹持板与防滑板夹紧或松开安装面，无需工具拧螺栓，解决传统方式繁琐耗时问题，提升称重变送器拆装效率，适用于频繁维护场景。

Claims

1. A quick locking device of a load cell transmitter, comprising a load cell transmitter (1), characterized in that: The back of the weighing transmitter (1) is fixedly connected to two left-right symmetrical L-shaped drive housings (5) and two top-bottom symmetrical assembly plates (10). The inner top wall and inner bottom wall of each L-shaped drive housing (5) are fixedly connected to a first ball bearing (8). The inner rings of each pair of first ball bearings (8) are fixedly connected to a bidirectional threaded shaft (16). The threads of the two bidirectional threaded shafts (16) are opposite. The inner side wall of each L-shaped drive housing (5) is provided with two symmetrical limiting grooves (23). The outer surface of each bidirectional threaded shaft (16) is threadedly connected to a displacement plate (2). The left and right sides of each displacement plate (2) are fixedly connected to a limiting plate (34). The back of each displacement plate (2) is fixedly connected to a clamping plate (4). The side of each pair of clamping plates (4) that are close to each other is fixedly connected to an anti-slip plate (3). The middle inner wall of each assembly plate (10) is fixedly connected to a second ball bearing (9). The two second ball bearings ( The inner ring of 9) is fixedly connected to the drive shaft (11). The outer side of the drive shaft (11) is provided with a positioning unit. The outer surface of the top end of the drive shaft (11) is fixedly connected to the first bevel gear (17). The back of the weighing transmitter (1) is fixedly connected to two symmetrical stabilizing plates (12). The inner wall of each stabilizing plate (12) and the inner wall of the side of the L-shaped drive housing (5) are respectively fixedly connected to the third ball bearing (21) and the fourth ball bearing (20). The inner ring of each third ball bearing (21) and the inner ring of the fourth ball bearing (20) are both fixedly connected to the steering shaft (13). The outer surfaces of the two steering shafts (13) that are close to each other are fixedly connected to the second bevel gear (18). The outer surface of the top end of each bidirectional threaded shaft (16) is fixedly connected to the third bevel gear (14). The outer surfaces of the two steering shafts (13) that are far away from each other are fixedly connected to the fourth bevel gear (15). The top end of the drive shaft (11) is fixedly connected to the knob (7).

2. The quick lock device of a load cell transmitter according to claim 1, characterized in that: The outer surface of each of the limiting plates (34) is slidably connected to the inside of the limiting groove (23). The two stabilizing plates (12) are located on both sides of the first bevel gear (17). Each of the steering shafts (13) extends through to one side of the third ball bearing (21). The outer surface of each of the second bevel gears (18) meshes with the outer surface of the first bevel gear (17). The rotation directions of the two second bevel gears (18) are opposite. The ends of the two steering shafts (13) that are far apart from each other extend through the inside of the L-shaped drive housing (5). The outer surface of each of the third bevel gears (14) meshes with the outer surface of the fourth bevel gear (15). The top end of the drive shaft (11) extends through to the top of the second ball bearing (9).

3. The quick lock device of a load cell transmitter according to claim 1, wherein: The positioning unit includes a movable plate (19) slidably connected inside the top of each L-shaped drive housing (5). One side of each movable plate (19) is fixedly connected to the inner wall of the top of the L-shaped drive housing (5) with a first compression spring (31). The first compression spring (31) is in a compressed state. A locking plate (6) is fixedly connected to the upper surface of each movable plate (19). The bottom surface of each locking plate (6) is in contact with the upper surface of the L-shaped drive housing (5). Multiple anti-slip strips (22) are fixedly connected to the inner wall of the groove at one end of each locking plate (6). Both locking plates (6) are in a clamping state in contact with the outer surface of the top of the drive shaft (11) through the anti-slip strips (22).

4. The quick lock device of a load cell transmitter according to claim 3, characterized in that: Each of the L-shaped drive housings (5) has two symmetrical insertion slots (32) on its upper surface. Each of the locking plates (6) has a compression slot (25) on its bottom surface that corresponds to the insertion slot (32). A second compression spring (26) is fixedly connected to the inner top wall of each compression slot (25). A self-locking block (27) is slidably connected inside each compression slot (25). The bottom surface of each self-locking block (27) on the side away from the drive shaft (11) is arc-shaped. The outer surface of the bottom end of each self-locking block (27) is engaged with the inside of the insertion slot (32).

5. A load cell quick lock device as claimed in claim 4, wherein: Each of the insertion slots (32) has an upper inner side with a movable slot (24). Each movable slot (24) has a movable plate (28) slidably connected inside. Each movable slot (24) has two shrink cylinders (30) fixedly connected to its inner side wall. Each shrink cylinder (30) has a shrink rod (29) slidably connected inside. One end of each shrink rod (29) is fixedly connected to a third compression spring (33) together with the inner side wall of the shrink cylinder (30).

6. A quick lock device for a load cell weighing transmitter according to claim 5, wherein: Each of the movable slots (24) has an opening at the top. The upper chamfer of the side of each movable plate (28) near the self-locking block (27) is arc-shaped. The arc-shaped chamfer at the bottom of the side of each self-locking block (27) away from the drive shaft (11) is flush with the inner bottom wall of the movable slot (24). The end of each retractable rod (29) near the movable plate (28) is fixedly connected to one side of the movable plate (28). When the self-locking block (27) is reset, it can push the movable plate (28) to displace it away from the insertion slot (32). When the arc-shaped chamfer above the self-locking block (27) and the arc-shaped chamfer above the movable plate (28) are separated, they come into contact with each other to facilitate the reset of the self-locking block (27).

Images