Search

CN-224202348-U - Engineering mechanical arm end anti-collision length detection device

CN224202348UCN 224202348 UCN224202348 UCN 224202348UCN-224202348-U

Abstract

The utility model discloses an anti-collision length detection device for an engineering mechanical arm end, in particular to the technical field of engineering mechanical arm detection, which comprises a mounting frame and an extrusion assembly, wherein the extrusion assembly is positioned at one side of the mounting frame and comprises a semicircular ring, a compression rod, two telescopic rods and two springs, one end of the compression bar is fixedly connected with the semicircular ring, a detection assembly is arranged on the mounting frame and comprises a connecting plate, a control switch, a hydraulic cylinder, a stepping motor, a rotating frame and a tape measure, and the control switch is fixedly arranged on one side of the connecting plate. According to the utility model, the control switch is extruded through the obstacle, and immediately sends a stop signal to the hydraulic cylinder after the control switch is triggered, at the moment, the camera focuses on the scale area of the tape measure through the high-definition lens, the sum of the tape measure value and the fixed reference distance among the connecting plate, the control switch, the semicircular ring and the compression bar is simple to operate, and the distance between the arm end and the obstacle can be conveniently detected in a short distance.

Inventors

  • YANG SHAOWEI
  • TAO CHENG
  • JIANG JIANWEN

Assignees

  • 常州力航电气科技有限公司

Dates

Publication Date
20260505
Application Date
20250801

Claims (7)

  1. 1. The device for detecting the anti-collision length of the engineering mechanical arm end comprises a mounting frame (1) and an extrusion assembly (2), wherein the extrusion assembly (2) is located on one side of the mounting frame (1), the device is characterized in that the extrusion assembly (2) comprises a semicircular ring (201), a pressing rod (202), two telescopic rods (203) and two springs (204), one end of the pressing rod (202) is fixedly connected with the semicircular ring (201), a detection assembly (3) is arranged on the mounting frame (1), the detection assembly (3) comprises a connecting plate (301), a control switch (302), a hydraulic cylinder (303), a stepping motor (304), a rotating frame (305) and a measuring tape (306), the control switch (302) is fixedly installed on one side of the connecting plate (301), the control switch (302) is located on one side, far away from the semicircular ring (201), one end of the hydraulic cylinder (303) is fixedly connected with the other side, close to the bottom edge, of the connecting plate (301), of the other side of the measuring tape (306) is fixedly connected with the connecting plate (301).
  2. 2. The device for detecting the anti-collision length of the engineering mechanical arm end according to claim 1, wherein the stepping motor (304) is fixedly arranged on the front side of the installation frame (1), the end part of an output shaft of the stepping motor (304) is fixedly connected with the rotating frame (305), and the front end and the rear end of the rotating frame (305) are movably connected with the installation frame (1) through bearings.
  3. 3. The device for detecting the anti-collision length of the engineering mechanical arm end according to claim 1, wherein the camera (5) is arranged at the top of the measuring tape (306), and the camera (5) is fixedly arranged at the top end of the inside of the mounting frame (1).
  4. 4. The device for detecting the anti-collision length of the engineering mechanical arm end according to claim 1, wherein one ends of the two telescopic rods (203) and the two springs (204) are fixedly connected with the semicircular ring (201), the other ends of the two telescopic rods (203) are fixedly connected with the connecting plate (301), and the two springs (204) are respectively movably sleeved on the two telescopic rods (203).
  5. 5. The device for detecting the anti-collision length of the engineering mechanical arm end according to claim 1, wherein a mounting assembly (4) is arranged on the other side of the mounting frame (1), and the mounting assembly (4) comprises a fixing plate (401), a plurality of extrusion plates (402) and a plurality of screw rods (403).
  6. 6. The device for detecting the anti-collision length of the engineering mechanical arm end according to claim 5, wherein one side of the fixed plate (401) is fixedly connected with the mounting frame (1) and the hydraulic cylinder (303), the outer sides of the plurality of screw rods (403) are in threaded connection with the fixed plate (401), and one ends of the plurality of screw rods (403) are respectively fixedly connected with the plurality of extrusion plates (402).
  7. 7. The device for detecting the anti-collision length of the end of the engineering mechanical arm according to claim 5, wherein three handles (404) are arranged on the front side and the rear side of the fixing plate (401), and one ends of the handles (404) are fixedly connected with a plurality of screw rods (403) respectively.

Description

Engineering mechanical arm end anti-collision length detection device Technical Field The utility model relates to the technical field of engineering mechanical arm detection, in particular to an engineering mechanical arm end anti-collision length detection device. Background In the tower crane, the engineering mechanical arm is a core stress part for realizing cargo lifting and moving, is a key structure of the tower crane for bearing and transmitting load, has the main functions of lifting a weight from one position to another position through the length and angle change of the engineering mechanical arm and matching with an amplitude variation mechanism, a lifting mechanism and the like, is a core part for realizing the coverage of an operation range of the tower crane, and is equipment for preventing collision accidents by detecting the distance between an arm end and surrounding obstacles. When the existing engineering mechanical arm is used for detecting, laser beams are generally emitted by a laser radar, the laser beams are reflected back after encountering an obstacle, the distance between the arm end and the obstacle is calculated by measuring the round-trip time of the laser beams, but when the distance between the arm end and the obstacle is short, a measurement blind area is easy to appear, a short-distance internal reflection signal can be blocked by a transmitting module due to the physical limitation of a laser emission and receiving light path, so that effective data cannot be acquired, secondly, the high reflection material is sensitive to the surface characteristics of the obstacle, the signal deviates from a receiving end, and the light absorption material can make the signal weak and misjudge. Disclosure of utility model In order to overcome the defects in the prior art, the utility model provides an engineering mechanical arm end anti-collision length detection device, which aims to solve the problems in the prior art. The technical scheme is that the engineering mechanical arm end anti-collision length detection device comprises a mounting frame and an extrusion assembly, wherein the extrusion assembly is located on one side of the mounting frame and comprises a semicircular ring, a pressure rod, two telescopic rods and two springs, one end of the pressure rod is fixedly connected with the semicircular ring, the mounting frame is provided with a detection assembly, the detection assembly comprises a connecting plate, a control switch, a hydraulic cylinder, a stepping motor, a rotating frame and a tape measure, the control switch is fixedly arranged on one side of the connecting plate, the control switch is located on one side of the pressure rod away from the semicircular ring, one end of the hydraulic cylinder is fixedly connected with the other side of the connecting plate, close to the edge of the bottom, of the other side of the tape measure, and the other side of the tape measure is fixedly connected with the connecting plate. Further, step motor fixed mounting is in the front side of installing frame, and step motor's output shaft tip and rotating turret fixed connection, all pass through bearing swing joint between both ends and the installing frame around the rotating turret. Further, the top of tape measure is provided with the camera, and camera fixed mounting is at the inside top of installing frame. Further, two the one end of telescopic link and two springs all with semicircle ring fixed connection, and the other end of two telescopic links all with connecting plate fixed connection, two the spring is movable sleeve respectively establishes on two telescopic links. It can be seen that in the above technical scheme, the semicircle ring can drive two telescopic links and two spring compression, and when the connecting plate kept away from the barrier, two spring resilience drove semicircle ring and reset. Further, the other side of the installation frame is provided with an installation component, and the installation component comprises a fixed plate, a plurality of extrusion plates and a plurality of screw rods. Further, one side of the fixed plate is fixedly connected with the mounting frame and the hydraulic cylinder, the outer sides of the screw rods are in threaded connection with the fixed plate, and one ends of the screw rods are respectively and fixedly connected with the extrusion plates. Further, three handles are arranged on the front side and the rear side of the fixing plate, and one ends of the handles are fixedly connected with the screw rods respectively. It can be seen that in the above technical scheme, the screw rod is conveniently rotated. The utility model has the technical effects and advantages that: 1. according to the utility model, the connecting plate is driven to horizontally move through the extension of the piston rod on the hydraulic cylinder, the obstacle extrudes the semicircular ring, so that the control switch is extruded, and immediatel