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CN-224199010-U - Special lifting appliance for electric telescopic steel tube

CN224199010UCN 224199010 UCN224199010 UCN 224199010UCN-224199010-U

Abstract

The utility model relates to the field of steel pipe lifting appliances, in particular to an electric telescopic steel pipe special lifting appliance, which comprises a lifting appliance body and two clamping arms, wherein a guide pipe is fixedly arranged on the lifting appliance body, the clamping arms can be horizontally and slidably arranged on the guide pipe, an internal pulling mechanism is fixedly arranged on the lifting appliance body and used for moving the two clamping arms to synchronously move inwards or outwards, a clamping column used for being inserted into a steel pipe is fixedly arranged on each clamping arm, and the electric telescopic steel pipe special lifting appliance can be suitable for clamping steel pipes with various lengths by pulling the clamping arms to horizontally move on the lifting appliance body through the internal pulling mechanism. And in the clamping process, whether the clamping is in place or not is sensed by the clamping sensor, so that workers do not need to be close to the clamping sensor for observation, and the safety of the workers is ensured. And the fixed heat insulating plate and the displacement heat insulating plate isolate heat, so that heat radiation of the steel pipe can be prevented from being upwards transmitted to the lifting appliance, and the service life of the lifting appliance is prolonged.

Inventors

  • WANG ZUKUI

Assignees

  • 江苏亚太吊具有限公司

Dates

Publication Date
20260505
Application Date
20250619

Claims (10)

  1. 1. The special lifting appliance for the electric telescopic steel tube is characterized by comprising a lifting appliance body (1) and two clamping arms (2), wherein a guide tube (1 a) is fixedly arranged on the lifting appliance body (1), the clamping arms (2) can be horizontally and slidably arranged on the guide tube (1 a), an internal pulling mechanism (3) is fixedly arranged on the lifting appliance body (1), the internal pulling mechanism (3) is used for moving the two clamping arms (2) to synchronously move inwards or outwards, and a clamping column (2 a) for being inserted into the steel tube is fixedly arranged on each clamping arm (2).
  2. 2. The special lifting appliance for the electric telescopic steel tube according to claim 1, wherein a sliding rod (2 c) is fixedly arranged on the clamping arm (2), and the sliding rod (2 c) is inserted into the guide tube (1 a).
  3. 3. The special lifting appliance for the electric telescopic steel tube according to claim 2, wherein two proximity switches for sensing the initial position and the final position of the sliding rod (2 c) are fixedly arranged on the guide tube (1 a), and a sensing plate for sensing the proximity switches is fixedly arranged on the sliding rod (2 c).
  4. 4. The special lifting appliance for the electric telescopic steel tube according to claim 1, wherein a clamping sensor (2 b) is fixedly arranged on the clamping arm (2), and the clamping sensor (2 b) is used for sensing the adhesion of the end part of the steel tube to the clamping arm (2).
  5. 5. The electric telescopic steel tube special lifting appliance according to claim 4, wherein the clamping sensor (2 b) comprises a spring-off mechanism, a pressure sensor and a rotating plate (2 b 1) rotatably mounted on the clamping arm (2), the rotating plate (2 b 1) is provided with a avoiding notch for the clamping column (2 a) to pass through, the spring-off mechanism is used for applying elastic force to the rotating plate (2 b 1) far away from the clamping arm (2), the pressure sensor is fixedly mounted on the clamping arm (2), and when the rotating plate (2 b 1) rotates downwards to a preset position, the rotating plate (2 b 1) is in contact with the working end of the pressure sensor.
  6. 6. The electric telescopic steel tube special lifting tool according to claim 5, wherein the clamping sensor (2 b) comprises a rotating plate (2 b 1), a guide seat (2 b 2), a guide rod (2 b 3) and a spring (2 b 4), one end of the guide rod (2 b 3) is hinged with the rotating plate (2 b 1), the guide seat (2 b 2) is fixedly arranged on the clamping arm (2), a through hole which is used for the guide rod (2 b 3) to pass through and is larger than the diameter of the guide rod (2 b 3) is formed in the guide seat (2 b 2), one end of the spring (2 b 4) is in contact with the rotating plate (2 b 1), and the other end of the spring (2 b 4) is in contact with the guide seat (2).
  7. 7. The electric telescopic steel tube dedicated sling as defined in claim 1, wherein the internal pulling mechanism (3) comprises two coils (3 a), two sleeves (3 b), a screw (3 c) and a rotary driver, the two sleeves (3 b) are respectively and fixedly mounted on the two clamping arms (2), the two coils (3 a) are respectively and fixedly mounted on the end parts of the two sleeves (3 b), the screw (3 c) is rotatably mounted on the sling body (1), the sling body (1) is provided with positive and negative threads along the middle section towards two sides, the two ends of the sling body (1) are respectively meshed with the two coils (3 a), and the rotary driver is used for driving the middle part of the screw (3 c) to rotate and is fixedly mounted on the sling body (1).
  8. 8. The electric telescopic steel tube special lifting appliance according to claim 7, wherein the rotary driver comprises a motor (3 d), a sprocket set (3 e) and a connecting rotary tube (3 f), the connecting rotary tube (3 f) can be rotatably arranged on the lifting appliance body (1) through a rotary seat, the connecting rotary tube (3 f) is fixedly connected with a screw rod (3 c), the motor (3 d) is fixedly arranged on the lifting appliance body (1), and the output end of the motor (3 d) is connected with the connecting rotary tube (3 f) through the sprocket set (3 e).
  9. 9. The special lifting appliance for the electric telescopic steel tube according to claim 1, further comprising a fixed heat insulating plate (5) and two displacement heat insulating plates (6), wherein the fixed heat insulating plate (5) is horizontally and fixedly arranged on the lifting appliance body (1), the two displacement heat insulating plates (6) are respectively and fixedly arranged on the two clamping arms (2), and the fixed heat insulating plate (5) and the displacement heat insulating plates (6) are vertically and alternately distributed.
  10. 10. The special lifting appliance for the electric telescopic steel tube according to claim 5, further comprising a cable winding device (7), wherein the cable winding device (7) is used for winding a cable (8) on the pressure sensor.

Description

Special lifting appliance for electric telescopic steel tube Technical Field The utility model relates to the field of steel pipe lifting appliances, in particular to an electric telescopic steel pipe special lifting appliance. Background When the steel pipe needs to be transferred at high temperature, the steel pipe needs to be hoisted to a target place by using a lifting appliance. And the special lifting appliance for the steel pipe needs to meet the requirement of being applicable to steel pipes with various lengths. And because the high temperature condition of this steel pipe leads to the hoist to be heated for a long time and recooling easily produces crooked condition emergence, and if need the workman to be close to this steel pipe, higher temperature is easy with the workman scald. Therefore, the special lifting appliance for the electric telescopic steel tube needs to be designed, the special lifting appliance can be suitable for steel tubes with various lengths, workers are not required to be close to observe in the clamping process, heat radiation of the steel tube can be prevented from being upwards transmitted to the lifting appliance, and the service life of the lifting appliance is prolonged. Disclosure of utility model The utility model aims to provide a special lifting appliance for an electric telescopic steel tube. To achieve the purpose, the utility model adopts the following technical scheme: The special lifting appliance for the electric telescopic steel tube comprises a lifting appliance body and two clamping arms, wherein a guide tube is fixedly arranged on the lifting appliance body, the clamping arms can be horizontally and slidably arranged on the guide tube, an internal pulling mechanism is fixedly arranged on the lifting appliance body and used for moving the two clamping arms to synchronously move inwards or outwards, and clamping columns used for being inserted into the steel tube are fixedly arranged on each clamping arm. Further, a sliding rod is fixedly arranged on the clamping arm and is inserted into the guide pipe. Further, two proximity switches for sensing the initial position and the final position of the slide bar are fixedly arranged on the guide pipe, and a sensing plate for sensing the proximity switches is fixedly arranged on the slide bar. Further, the clamping arm is fixedly provided with a clamping sensor, and the clamping sensor is used for sensing the joint of the end part of the steel pipe and the clamping arm. Further, press from both sides tight inductor and including bullet open mechanism, pressure sensor and can rotate the rotor plate of installing on the arm, offer on the rotor plate and supply the clamp column to pass dodge the breach, bullet open the mechanism and be used for exerting the elastic force of keeping away from the arm to the rotor plate, pressure sensor fixed mounting is on the arm, when the rotor plate rotates to the position of predetermineeing downwards, rotor plate and pressure sensor's work end contact. Further, the clamping sensor comprises a rotating plate, a guide seat, a guide rod and a spring, wherein one end of the guide rod is hinged with the rotating plate, the guide seat is fixedly arranged on the clamping arm, a through hole which is used for the guide rod to pass through and is larger than the diameter of the guide rod is formed in the guide seat, one end of the spring is abutted against the rotating plate, and the other end of the spring is abutted against the guide seat. Further, the internal pulling mechanism comprises two spiral pipes, two sleeves, a screw rod and a rotary driver, wherein the two sleeves are respectively and fixedly arranged on the two clamping arms, the two spiral pipes are respectively and fixedly arranged at the end parts of the two sleeves, the screw rod can be rotatably arranged on the lifting appliance body, positive and negative threads are arranged on the lifting appliance body along the middle section towards two sides, the two ends of the lifting appliance body are respectively meshed with the two spiral pipes, and the rotary driver is used for driving the middle part of the screw rod to rotate and is fixedly arranged on the lifting appliance body. Further, the rotary driver comprises a motor, a chain wheel group and a connecting rotating pipe, the connecting rotating pipe can be rotatably arranged on the lifting appliance body through a swivel seat, the connecting rotating pipe is fixedly connected with the screw rod, the motor is fixedly arranged on the lifting appliance body, and the output end of the motor is connected with the connecting rotating pipe through the chain wheel group. Further, the lifting appliance further comprises a fixed heat insulating plate and two displacement heat insulating plates, wherein the fixed heat insulating plate is horizontally and fixedly arranged on the lifting appliance body, and the two displacement heat insulating plates are respectively and fixedly