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CN-121973139-A - Fork truck portal crossbeam location frock

CN121973139ACN 121973139 ACN121973139 ACN 121973139ACN-121973139-A

Abstract

The invention relates to a forklift portal beam positioning tool which comprises a frame (1) and is characterized in that translation sliding rails (1.1) are arranged on two sides of the frame (1) along the length direction of the frame, a left guide rail sliding block installation assembly and a right guide rail sliding block installation assembly (2) are arranged on the translation sliding rails (1.1) in a sliding mode, a transmission assembly (3) is connected between the two guide rail sliding block installation assemblies (2), the transmission assembly (3) drives the guide rail sliding block installation assembly (2) to translate along the translation sliding rails (1.1), a cylinder assembly (4) on the transmission assembly (3) lifts, positions, clamps and installs the assembly (5) to lift, and clamps a portal beam (101). The forklift portal beam positioning tool has the advantages of high operation efficiency and wide application range.

Inventors

  • JIANG DONG
  • CAO YISHENG
  • ZHANG HAO
  • YAO YONGFEI

Assignees

  • 江苏中力叉车有限公司

Dates

Publication Date
20260505
Application Date
20260209
Priority Date
20251103

Claims (6)

  1. 1. A forklift portal beam positioning tool comprises a frame (1) and is characterized in that translation sliding rails (1.1) are arranged on two sides of the frame (1) along the length direction of the frame, a left guide rail sliding block installation assembly and a right guide rail sliding block installation assembly (2) are arranged on the translation sliding rails (1.1) in a sliding mode, a transmission assembly (3) is connected between the two guide rail sliding block installation assemblies (2), the transmission assembly (3) drives the guide rail sliding block installation assemblies (2) to translate along the translation sliding rails (1.1), a cylinder assembly (4) on the transmission assembly (3) lifts, positions, clamps and installs the assembly (5) to lift, and positions, clamps and installs the portal beam (101).
  2. 2. The forklift mast beam positioning tool according to claim 1, wherein a corner air cylinder (5.2) is fixedly installed on a lifting installation plate (5.1) of the positioning clamping installation assembly (5), a pressing rod (5.3) is horizontally connected to a vertically upward piston rod of the corner air cylinder (5.2), an adjusting screw (5.3.1) is vertically and downwardly arranged on the pressing rod (5.3) in a rotating mode, a pressing block (5.3.2) is arranged at the bottom of the adjusting screw (5.3.1), positioning blocks (5.4) of Z-shaped structures are arranged at two ends of the lifting installation plate (5.1), side top plates (5.5) of L-shaped structures are arranged at two ends of the lifting installation plate (5.1), and positioning pins (5.5.1) are horizontally connected to the upper portions of vertical plates of the side top plates (5.5).
  3. 3. The forklift portal beam positioning tool according to claim 1, wherein the guide rail sliding block mounting assembly (2) comprises a mounting bracket (2.1), a sliding block (2.2) and a connecting bolt (2.3), the sliding block (2.2) is fixedly connected to the mounting bracket (2.1), the sliding block (2.2) is arranged on the translation sliding rail (1.1) in a sliding manner, and the top of the mounting bracket (2.1) is fixedly connected with the translation plate (3.1) of the transmission assembly (3) through the connecting bolt (2.3).
  4. 4. The forklift portal beam positioning tool according to claim 1 is characterized in that two ends of a translation plate (3.1) of the transmission assembly (3) are respectively connected to two groups of guide rail slide block mounting assemblies (2), a stepping motor (3.2) is fixedly mounted on the bottom surface of the translation plate (3.1), a gear (3.3) is sleeved on an output shaft of the stepping motor (3.2), and the gear (3.3) is meshed with a rack fixed on the rack (1).
  5. 5. The forklift portal beam positioning tool according to claim 2 is characterized in that a lifting cylinder (4.3) is mounted on a supporting plate (4.1) of the cylinder assembly (4), and a piston rod of the lifting cylinder (4.3) is vertically upwards connected with a lifting mounting plate (5.1) of the positioning clamping mounting assembly (5).
  6. 6. A forklift mast beam positioning tool according to claim 5 is characterized in that after a transmission assembly (3) is started, a positioning clamping installation assembly (5) is driven to move to a position right below a mast beam (101) and then stops, a pressing rod (5.3) rotates to be in a horizontal state with a lifting installation plate (5.1) under the action of a corner air cylinder (5.2), at the moment, the lifting air cylinder (4.3) is started, the lifting positioning clamping installation assembly (5) is lifted upwards, the mast beam (101) is located above but not in contact with the upper surface of a positioning block (5.4), then the transmission assembly (3) is started again and then is driven to move forward, the side face of the mast beam (101) is contacted with a positioning pin (5.5.1), then the lifting air cylinder (4.3) is started, the bottom face of the mast beam (101) is contacted with the upper surface of the positioning block (5.4), finally the corner air cylinder (5.2) is started, the pressing rod (5.3) is driven to rotate, the pressing block (5.3.2) is driven to be pressed on the upper surface of the mast beam (101), after the operation is completed, the corner air cylinder (5.3) is driven to rotate, and the clamping assembly (5.3) is driven to be separated from the upper surface of the mast beam (101).

Description

Fork truck portal crossbeam location frock Technical Field The invention relates to a positioning tool, in particular to a tool for positioning a beam forming a forklift portal, and belongs to the technical field of forklifts. Background At present, in the manufacturing process of fork truck portal, the location frock that uses generally adopts artifical fixed form, "fork truck outer portal welding jig" as disclosed in chinese patent CN202022317874.3, its the bottom plate all is equipped with a set of last clamping device that is used for compressing tightly outer portal crossbeam between two sets of side clamping equipment that set up symmetrically, discovers in practical application that the centre gripping mode of fixed form trades mould, drawing of patterns inefficiency, and can't deal with the portal crossbeam of different specifications, consequently continues a fork truck portal crossbeam location frock that can solve above-mentioned problem. Disclosure of Invention The invention aims to overcome the defects and provide the forklift portal beam positioning tool which has the advantages of high operation efficiency and wide application range. The purpose of the invention is realized in the following way: A forklift portal beam positioning tool comprises a rack, wherein translation sliding rails are arranged on two sides of the rack along the length direction of the rack, a left guide rail sliding block installation assembly and a right guide rail sliding block installation assembly are arranged on the translation sliding rails in a sliding mode, a transmission assembly is connected between the two guide rail sliding block installation assemblies, the transmission assembly drives the guide rail sliding block installation assemblies to translate along the translation sliding rails, a cylinder assembly on the transmission assembly lifts, positions, clamps and installs the assembly to lift, positions, clamps and installs the portal beam. Preferably, a corner air cylinder is fixedly installed on the lifting mounting plate of the positioning and clamping installation assembly, a compression rod is horizontally connected to a piston rod of the corner air cylinder, an adjusting screw is vertically and downwardly rotatably arranged on the compression rod, a compression block is arranged at the bottom of the adjusting screw, positioning blocks of Z-shaped structures are arranged at the two ends of the lifting mounting plate, side top plates of L-shaped structures are arranged at the two ends of the lifting mounting plate, and positioning pins are horizontally connected to the upper parts of vertical plates of the side top plates. Preferably, the guide rail slide block mounting assembly comprises a mounting bracket, a slide block and a connecting bolt, wherein the slide block is fixedly connected to the mounting bracket, the slide block is arranged on the translation slide rail in a sliding manner, and the top of the mounting bracket is fixedly connected with the translation plate of the transmission assembly through the connecting bolt. Preferably, two ends of a translation plate of the transmission assembly are respectively connected to the two groups of guide rail slide block mounting assemblies, a stepping motor is fixedly mounted on the bottom surface of the translation plate, a gear is sleeved on an output shaft of the stepping motor, and the gear is meshed with a rack fixed on the frame. Preferably, a lifting cylinder is arranged on a supporting plate of the cylinder assembly, and a piston rod of the lifting cylinder is vertically upwards connected with a lifting mounting plate of the positioning clamping mounting assembly. Further, the transmission assembly is started to drive the positioning and clamping installation assembly to move to the position right below the portal beam and then stop, the compression bar rotates to the state of being horizontal to the lifting installation plate under the action of the corner air cylinder, the lifting air cylinder is started at the moment, the lifting positioning and clamping installation assembly is lifted upwards, the portal beam is positioned above the upper surface of the positioning block but is not contacted with the positioning pin, then the transmission assembly is started again and then the side surface of the portal beam is contacted with the positioning pin, then the lifting air cylinder is started to contact the bottom surface of the portal beam with the upper surface of the positioning block, finally the corner air cylinder is started to enable the compression bar to rotate to drive the compression block to press the upper surface of the portal beam, and after the splicing operation is completed, the corner air cylinder rotates to drive the compression block on the compression bar to leave the upper surface of the portal beam, and then the lifting air cylinder drives the positioning and clamping installation assembly to leave the portal beam, so that