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CN-224209403-U - Tank welding rotating device of concrete mixing transport vehicle

CN224209403UCN 224209403 UCN224209403 UCN 224209403UCN-224209403-U

Abstract

A tank body welding rotating device of a concrete mixing transport vehicle comprises a working platform and two groups of bearing assemblies with seats, wherein the two groups of bearing assemblies with seats are fixed on the working platform, one long roller is installed on each group of bearing assemblies with seats, the two long rollers are arranged in parallel relatively, the distance between the two long rollers is smaller than the outer diameter of the tank body, the circumferential surfaces of the two long rollers are supported on the lower side of the outer circumferential surface of the tank body, two primary speed reducers are fixed on the working platform and connected with the corresponding long rollers through universal transmission shafts, the two primary speed reducers are connected through synchronous transmission mechanisms, the two long rollers synchronously rotate in the same direction, and an electric driving mechanism is fixed on the working platform and connected with the primary speed reducers and drives the long rollers to drive the tank body to rotate, so that the welding positions of circular welds and blades of the tank body are always located at the bottom. The welding rotating device is based on the revolving body characteristics of the tank body, effectively solves the difficulty of multi-mode welding and blade assembly, and improves the quality and efficiency of tank body processing of the transport vehicle.

Inventors

  • ZHAO ZHIFU
  • DUAN XIAOFENG
  • WANG WENLI
  • ZHU WEILI
  • WANG XIAOGUO

Assignees

  • 洛阳中集凌宇汽车有限公司

Dates

Publication Date
20260508
Application Date
20250429

Claims (8)

  1. 1. The tank body welding and rotating device of the concrete mixing transport vehicle is characterized by comprising a working platform (1) and two groups of bearing assemblies with seats, wherein the two groups of bearing assemblies with seats are fixed on the working platform (1), each group of bearing assemblies with seats is provided with a long roller (3), and the two long rollers (3) are relatively arranged in parallel; the distance between the two long rollers (3) is smaller than the outer diameter of the tank body (12), and the circumferential surfaces of the two long rollers (3) are supported at the lower side of the outer circumferential surface of the tank body (12); Two primary speed reducers are fixed on the working platform (1), and are connected with the corresponding long rollers (3) through universal transmission shafts (8), and the two primary speed reducers are connected through synchronous transmission mechanisms (9) so as to enable the two long rollers (3) to synchronously rotate in the same direction; An electric driving mechanism is fixed on the working platform (1), and is connected with a first-stage speed reducer and drives the long roller (3) to drive the tank body (12) to rotate, so that the welding positions of the girth weld and the blades of the tank body (12) are always positioned at the bottom.
  2. 2. The welding rotating device for the tank body of the concrete mixer truck according to claim 1, wherein the working platform (1) is provided with a riding wheel (5) for supporting the long roller (3).
  3. 3. The welding rotating device for the tank body of the concrete mixer truck according to claim 2, wherein at least two groups of riding wheels (5) are distributed along the length direction of the long rollers (3).
  4. 4. A tank welding rotating device for a concrete mixer truck according to claim 1, wherein the seated bearing assembly comprises a seated bearing support (2) and a seated bearing (4) mounted in the seated bearing support (2), and the end of the long roller (3) passes through the corresponding seated bearing (4).
  5. 5. The welding rotating device for the tank body of the concrete mixer truck according to claim 1, wherein the primary speed reducer comprises a speed reducer I (6) and a speed reducer II (7), the speed reducer I (6) is provided with an undegraded output shaft and a retarded output shaft, the undegraded output shaft is connected with the end part of the synchronous transmission mechanism (9), and the retarded output shaft is connected with the universal transmission shaft (8).
  6. 6. The welding rotating device for the tank body of the concrete mixer truck according to claim 5, wherein the electric driving mechanism comprises a secondary speed reducer (10) and a motor (11) which are arranged on the working platform (1), an output shaft of the motor (11) is connected with an input shaft of the secondary speed reducer (10), and an output shaft of the secondary speed reducer (10) is connected with an input shaft of the speed reducer I (6).
  7. 7. A tank welding rotating device for a concrete mixer truck according to claim 1, wherein the synchronous transmission mechanism (9) is a rigid coupling or a gear transmission mechanism.
  8. 8. The welding rotating device for the tank body of the concrete mixer truck according to claim 1 is characterized in that anti-skid patterns are arranged on the circumferential surface of the long roller (3).

Description

Tank welding rotating device of concrete mixing transport vehicle Technical Field The utility model relates to the technical field of tank processing of transport vehicles, in particular to a tank welding rotating device of a concrete stirring transport vehicle. Background The tank body of the concrete mixer truck is the most important part in the whole truck, the manufacturing quality of the tank body directly influences the service life and the mixing performance of the concrete mixer truck, and particularly the welding quality of the tank body to joints and the positioning welding of blades have great influence on the manufacturing quality of the tank body. Firstly, the internal and external butt joints of the tank body are girth welds, if auxiliary equipment is not needed, the welding is completed through three methods of flat welding, vertical welding and overhead welding, the welding level requirements of three welding modes on workers are high, otherwise, one girth weld has welding quality with different qualities due to different welding modes, secondly, the positioning welding of the blades in the tank body is of a double-spiral structure, the workers position the blades in the tank body along the circumferential direction of the tank body when the blades are assembled, the operation is difficult up and down, the space in the tank is limited, and each blade has heavy weight, so that the tank is a great difficult problem. The circumferential welding of the tank body circumferential weld or the positioning welding of the helical blade is realized, and the difficulty in the processing process is high. Disclosure of utility model The utility model aims to provide a tank body welding rotating device of a concrete mixer truck, which is based on the revolving body characteristics of the tank body, effectively solves the difficulty of multi-mode welding and blade assembly, and improves the quality and efficiency of tank body processing of the truck. The technical scheme includes that the tank welding and rotating device of the concrete mixing transport truck comprises a working platform and two groups of bearing assemblies with seats, wherein the two groups of bearing assemblies with seats are fixed on the working platform, one long roller is arranged on each group of bearing assemblies with seats, and the two long rollers are oppositely arranged in parallel; The distance between the two long rollers is smaller than the outer diameter of the tank body, and the circumferential surfaces of the two long rollers are supported at the lower side of the outer circumferential surface of the tank body; The working platform is fixedly provided with two primary speed reducers which are connected with the corresponding long rollers through universal transmission shafts, and the two primary speed reducers are connected through synchronous transmission mechanisms so that the two long rollers synchronously rotate in the same direction; An electric driving mechanism is fixed on the working platform and is connected with the primary speed reducer and drives the long roller to drive the tank body to rotate, so that the welding positions of the girth weld and the blades of the tank body are always positioned at the bottom. As an optimal scheme, the working platform is provided with a riding wheel for supporting the long roller. As an optimal scheme, the riding wheels are distributed with at least two groups along the length direction of the long roller. Preferably, the seated bearing assembly comprises a seated bearing support and a seated bearing mounted in the seated bearing support, and the end of the long roller passes through the corresponding seated bearing. The first-stage speed reducer comprises a speed reducer I and a speed reducer II, wherein the speed reducer I is provided with an undegraded output shaft and a decelerated output shaft, the undegraded output shaft is connected with the end part of the synchronous transmission mechanism, and the decelerated output shaft is connected with the universal transmission shaft. As the preferable scheme, the electric driving mechanism comprises a secondary speed reducer and a motor which are arranged on the working platform, wherein an output shaft of the motor is connected with an input shaft of the secondary speed reducer, and an output shaft of the secondary speed reducer is connected with an input shaft of the speed reducer I. Preferably, the synchronous transmission mechanism is a rigid coupling or a gear transmission mechanism. Preferably, the circumference surface of the long roller is provided with anti-skid patterns. Compared with the prior art, the utility model has the beneficial effects that: This concrete mixer truck jar body welding rotary device, through motor through the two-stage speed reduction diversion of speed reducer, reach two long gyro wheels and rotate with rotating, drive jar body simultaneously and rotate together, carry out girth weld's welding i