Search

CN-122016010-A - Remote transmission liquid level meter device with float and fixed pulley linked

CN122016010ACN 122016010 ACN122016010 ACN 122016010ACN-122016010-A

Abstract

The invention relates to the technical field of liquid level meters, in particular to a remote transmission liquid level meter device with a floater and fixed pulleys in linkage, which comprises a fixed plate, an upper support plate and a lower support plate which are positioned below the fixed plate, wherein two groups of support rods are fixedly connected between the upper support plate and the lower support plate, an upper floater and a lower floater are respectively connected on the two groups of support rods in a sliding way, an upper fixed pulley and a lower fixed pulley are respectively arranged on opposite sides of the upper support plate and the lower support plate in a rotating way, a connecting rope guided by the upper fixed pulley and the lower fixed pulley is connected between the upper floater and the lower floater.

Inventors

  • ZHANG GUOHAI
  • GUO LIHE
  • LIU JUN
  • PANG ZIHE
  • LI ZHENZHONG
  • YU WENLONG
  • ZHAO LANYONG
  • LIN XIAOFAN

Assignees

  • 本溪北方轧钢有限公司
  • 本溪北营钢铁（集团）股份有限公司

Dates

Publication Date
20260512
Application Date
20260120

Claims (7)

  1. 1. The remote transmission liquid level meter device with the float and the fixed pulley linked comprises a fixed plate (1), and an upper support plate (2) and a lower support plate (21) which are positioned below the fixed plate (1), and is characterized in that two groups of symmetrically distributed support rods (22) are fixedly connected between the upper support plate (2) and the lower support plate (21), an upper float (23) and a lower float (24) are respectively and slidably connected on the two groups of support rods (22), and an upper fixed pulley (25) and a lower fixed pulley (26) are respectively and rotatably arranged on opposite sides of the upper support plate (2) and the lower support plate (21); Connecting ropes (27) guided by an upper fixed pulley (25) and a lower fixed pulley (26) are connected between the upper floater (23) and the lower floater (24), a toothed plate (28) is slidably arranged on the upper support plate (2), a trapezoid block (29) is fixedly connected to the toothed plate (28), and a travel switch (210) is fixedly connected to the bottom of the upper support plate (2) through a fixed plate (1).
  2. 2. The remote transmission liquid level meter device of the float and fixed pulley linkage according to claim 1, wherein the upper support plate (2) and the lower support plate (21) are fixedly connected with U-shaped frames (211), the upper fixed pulley (25) and the lower fixed pulley (26) are rotationally connected with the corresponding U-shaped frames (211), two sides of the U-shaped frames (211) are symmetrically and fixedly connected with U-shaped seats (212), and two groups of balls (213) which are in contact with the connecting ropes (27) are embedded on the inner wall of the U-shaped seats (212) in a rolling manner.
  3. 3. The remote transmission liquid level meter device of the float and fixed pulley linkage according to claim 1, wherein a pinion (214) is arranged on a wheel shaft of the upper fixed pulley (25), a large gear (215) meshed with the pinion (214) and a toothed plate (28) is rotatably connected on the U-shaped frame (211), a convex sliding groove is formed in the bottom of the upper support plate (2), and a convex sliding block in sliding connection with the convex sliding groove is fixedly connected on the toothed plate (28).
  4. 4. A remote transmission liquid level meter device linked with a float and a fixed pulley according to claim 3, wherein a rotating disc (216) rotationally connected with a pinion (214) is fixedly connected on a wheel shaft of the upper fixed pulley (25), the rotating disc (216) is connected with bolts through lug threads, and a plurality of limit holes distributed in an annular array are formed in one side of the pinion (214).
  5. 5. The remote transmission liquid level meter device of the float and fixed pulley linkage according to claim 1, wherein one end of the connecting rope (27) is fixedly connected with the bottom of the upper float (23), the other end of the connecting rope (27) is fixedly connected with a sliding rod (217) which is in sliding connection with the lower float (24), the free end of the sliding rod (217) is fixedly connected with a movable block, a movable cavity which is in sliding connection with the movable block is formed in the lower float (24), and a spring (218) is fixedly connected between the top of the movable block and the inner wall of the movable cavity and is positioned outside the sliding rod (217).
  6. 6. The remote transmission liquid level meter device of the float and fixed pulley linkage according to claim 1, wherein the upper float (23) is injection molded by polyethylene material, the interior of the upper float is hollow and filled with low-density foaming material, the lower float (24) is made of corrosion-resistant metal material, a filling cavity (219) penetrating through one side of the lower float (24) is formed in the lower float (24), a cavity cover is arranged at a cavity opening of the filling cavity (219), and glass beads are filled in the filling cavity (219).
  7. 7. The remote transmission liquid level meter device of the floater and fixed pulley linkage according to claim 1, wherein the top of the upper support plate (2) is fixedly connected with a universal ball (11) through a support column, a fixed ring (12) is arranged at the bottom of the fixed plate (1) and positioned at the outer side of the support column, a spherical groove (13) matched with the universal ball (11) is formed at the bottom of the fixed plate (1) and the top of the fixed ring (12), and the fixed ring (12) is fixedly connected with the fixed plate (1) through a plurality of bolts.

Description

Remote transmission liquid level meter device with float and fixed pulley linked Technical Field The invention relates to the technical field of liquid level meters, in particular to a remote transmission liquid level meter device with a floater and a fixed pulley in linkage. Background The liquid level meter is a measuring device widely applied to industrial production such as chemical storage tanks and reservoirs of steel works, municipal works such as water supply tanks and sewage treatment tanks and daily life scenes, and has the core functions of sensing the surface liquid level change of a liquid medium in a container in real time through a contact or non-contact technical principle, converting the change into a visual display or remote transmission signal which can be directly observed, providing data support for liquid level monitoring, automatic control and safety management, finally realizing the aims of avoiding risks such as liquid overflow, equipment idling and the like, and guaranteeing the stability of production flow and reasonable utilization of resources. The traditional liquid level measuring device has the problems that the measuring precision is insufficient, the device is easy to be interfered by environmental factors, the structure is complex, the cost is high, the maintenance is difficult, and the like, partial device is not sensitive enough to control the starting and stopping of related equipment, so that the control is inaccurate, the production efficiency is affected or the resource waste is caused, meanwhile, the traditional liquid level meter is difficult to realize the vertical alignment with the liquid level quickly when being installed, the adaptability to the abrupt change of the liquid level is poor, the signal false triggering is easily caused by the shake of a connecting rope, and the flexible adaptation capability is lacked aiming at the liquids with different densities and viscosities, so that the stable measuring requirement under the diversified working conditions can not be met. Aiming at the technical defects, a solution is provided, wherein the density adaptation of the glass beads filled in the lower floats is aligned with the autonomous vertical direction of the universal ball, the stable pulling force formed by the density difference of the double floats is combined, the accuracy of liquid level measurement and the installation convenience are improved, the elastic buffer structure formed by the sliding rod and the spring in the lower floats is utilized to effectively absorb the impact force generated by abrupt change of the liquid level, the shaking of the connecting rope and the false triggering of signals are avoided, and the adaptability of the device to complex working conditions is enhanced. Disclosure of Invention The invention aims to provide a remote transmission liquid level meter device with a floater and a fixed pulley in linkage, which solves the technical defects. The remote transmission liquid level meter device comprises a fixed plate, an upper support plate and a lower support plate, wherein the upper support plate and the lower support plate are positioned below the fixed plate, two groups of support rods which are symmetrically distributed are fixedly connected between the upper support plate and the lower support plate, the upper floater and the lower floater are respectively and slidably connected to the two groups of support rods, and the upper fixed pulley and the lower fixed pulley are respectively and rotatably arranged on opposite sides of the upper support plate and the lower support plate; The upper floating device is characterized in that a connecting rope guided by an upper fixed pulley and a lower fixed pulley is connected between the upper floating device and the lower floating device, a toothed plate is slidably arranged on the upper supporting plate, a trapezoid block is fixedly connected onto the toothed plate, and a travel switch is fixedly connected to the bottom of the upper supporting plate through a fixing plate. Preferably, the upper support plate and the lower support plate are fixedly connected with U-shaped frames, the upper fixed pulley and the lower fixed pulley are rotationally connected with the corresponding U-shaped frames, two sides of the U-shaped frames are symmetrically and fixedly connected with U-shaped seats, and two groups of balls which are abutted against the connecting ropes are embedded on the inner walls of the U-shaped seats in a rolling manner. Preferably, a pinion is arranged on the wheel shaft of the upper fixed pulley, a large gear meshed with the pinion and a toothed plate is rotationally connected to the U-shaped frame, a convex sliding groove is formed in the bottom of the upper support plate, and a convex sliding block in sliding connection with the convex sliding groove is fixedly connected to the toothed plate. Preferably, a rotating disc which is rotationally connected with the pinion is