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CN-121972888-A - Fork truck frame location frock

CN121972888ACN 121972888 ACN121972888 ACN 121972888ACN-121972888-A

Abstract

The forklift frame positioning tool comprises a driving axle mounting hole positioning assembly (2), an inclined oil cylinder positioning assembly (3) and an air cylinder positioning assembly (4) which are arranged on an operation bedplate (1), wherein coaxiality confirmation and gear opening maintenance of driving axle mounting holes on a forklift frame are realized through the driving axle mounting hole positioning assembly (2), positioning of an inclined oil cylinder seat and ensuring of gear opening intervals are realized through the inclined oil cylinder positioning assembly (3), and the fixation of the forklift frame is realized through the air cylinder positioning assembly (4) and is convenient for subsequent demoulding. The forklift frame positioning tool can realize accurate positioning and gear-opening positioning control of a driving axle mounting hole and an inclined oil cylinder mounting seat.

Inventors

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

Assignees

  • 江苏中力叉车有限公司

Dates

Publication Date
20260505
Application Date
20260209
Priority Date
20251103

Claims (5)

  1. 1. The forklift frame positioning tool is characterized by comprising a drive axle mounting hole positioning assembly (2), an inclined oil cylinder positioning assembly (3) and an air cylinder positioning assembly (4) which are arranged on a working bedplate (1); Two groups of drive axle mounting hole positioning assemblies (2) are symmetrically arranged left and right, each drive axle mounting hole positioning assembly comprises a positioning base (2.1), each positioning base (2.1) is fixedly arranged on a working table plate (1), each positioning base (2.1) is vertically provided with a positioning side plate (2.2), each positioning side plate (2.2) is provided with a positioning pin hole (2.4), and each mounting pin (2.8) is inserted into each positioning pin hole (2.4); The inclined oil cylinder positioning assembly (3) comprises a mounting base (3.1) fixedly mounted on the operation bedplate (1), a mounting plate (3.3) is fixedly mounted on the top surface of the mounting base (3.1) through a bracket (3.2), two lug plates (3.4) are vertically arranged on the top surface of the mounting plate (3.3), a bushing (3.6) is fixedly connected to the lug plates (3.4) in a penetrating manner, a positioning pin shaft (3.7) is slidably arranged in the bushing (3.6), and a shaft sleeve (3.8) is sleeved on the positioning pin shaft (3.7); The cylinder positioning assembly (4) is provided with a left group and a right group, the cylinder positioning assembly (4) comprises a positioning seat (4.1) fixedly arranged on the operation bedplate (1), a cylinder (4.2) is transversely arranged on a back plate of the positioning seat (4.1), and a piston rod of the cylinder (4.2) extends out of one end behind the positioning seat (4.1) and is connected with a positioning plate (4.3).
  2. 2. The forklift frame positioning tool according to claim 1, wherein the positioning pin holes (2.4) are of a stepped hole structure, and the gear opening size of the mounting pins (2.8) of the left and right driving axle mounting hole positioning assemblies (2) is ensured through limiting of the stepped surfaces of the stepped holes after the mounting pins (2.8) are inserted.
  3. 3. The forklift frame positioning tool according to claim 1 is characterized in that a supporting pin (2.5) is arranged at the upper part of the positioning side plate (2.2).
  4. 4. The forklift frame positioning tool according to claim 1, wherein the back plate of the positioning seat (4.1) is transversely provided with a guide bushing (4.4), and the pin shaft (4.5) is movably inserted into the guide bushing (4.4) and then penetrates through the positioning seat (4.1) to be connected with the positioning plate (4.3).
  5. 5. The forklift frame positioning tool according to claim 1 is characterized in that a positioning block (2.7) is arranged on the positioning base (2.1).

Description

Fork truck frame location frock Technical Field The invention relates to a positioning tool, in particular to a tool for positioning a splicing point part in the splicing spot welding process of a frame of a forklift, and belongs to the technical field of forklifts. Background At present, when the forklift frame is welded in a combined way, as each part of the electric forklift frame cannot be effectively fixed, the combined welding precision and efficiency of the forklift frame are low, and the combined welding requirement of the electric forklift frame cannot be well met. For this reason there is chinese patent CN202510786199.3 "fork truck frame welding frock", and its disclosed structure is "including bottom plate (1), headstock machine (2) have been shifted to set firmly on bottom plate (1), headstock machine (2) are shifted and are installed front axle support and hold tight mechanism (3) and preceding diaphragm location clamping mechanism (6), movable mounting has tailstock machine (4) that shift on bottom plate (1), tailstock machine (4) are shifted and are equipped with transition frock and hold tight mechanism (5), still include local transition frock (7), local transition frock (7) are installed on tailstock riser (83) on fork truck frame (8). The invention can be compatible with frames of different models, has the advantages of high adjustment speed and high positioning precision, and can effectively improve the production efficiency. It is obvious that although it has carried out the location to the frame is whole, overall structure is complicated, and operation flow is loaded down with trivial details, and does not fix a position transaxle mounting hole and slope hydro-cylinder mount pad, can't realize carrying out the accurate positioning to the axiality of mounting hole and the shelves of opening of slope hydro-cylinder mount pad. Therefore, a tool capable of solving the above problems is needed. Disclosure of Invention The invention aims to overcome the defects and provide a forklift frame positioning tool which can realize accurate positioning and gear opening positioning control of a driving axle mounting hole and an inclined oil cylinder mounting seat. The purpose of the invention is realized in the following way: The forklift frame positioning tool comprises a driving axle mounting hole positioning assembly, an inclined oil cylinder positioning assembly and an air cylinder positioning assembly which are mounted on a working bedplate, wherein the driving axle mounting hole positioning assembly is symmetrically arranged in a left-right mode, the driving axle mounting hole positioning assembly comprises a positioning base, the positioning base is fixedly mounted on the working bedplate, a positioning side plate is vertically arranged on the positioning base, a positioning pin hole is formed in the positioning side plate, a mounting pin is inserted into the positioning pin hole, the inclined oil cylinder positioning assembly comprises a mounting base fixedly mounted on the working bedplate, a mounting plate is fixedly mounted on the top surface of the mounting base through a support, two lug plates are vertically arranged on the top surface of the mounting plate, a bushing is fixedly connected on the lug plates in a penetrating mode, a positioning pin shaft is arranged in the bushing in a sliding mode, a shaft sleeve is sleeved on the positioning pin shaft, the air cylinder positioning assembly is provided with a left-right mode, the air cylinder positioning assembly comprises a positioning seat fixedly mounted on the working bedplate, an air cylinder is transversely mounted on a back plate of the positioning seat, and a piston rod of the air cylinder is connected with a positioning plate at one end, after the piston rod of the air cylinder extends out of the positioning seat. Preferably, the positioning pin hole is of a step hole structure, and the gear opening size of the mounting pin of the left and right driving axle mounting hole positioning assembly is ensured through the limit of the step surface of the step hole after the mounting pin is inserted. Preferably, the upper part of the positioning side plate is provided with a supporting pin. Preferably, a guide bushing is transversely arranged on the backboard of the positioning seat, and the pin shaft is movably inserted into the guide bushing and then penetrates through the positioning seat to be connected with the positioning plate. Preferably, the positioning base is provided with a positioning block. Compared with the prior art, the invention has the beneficial effects that: The coaxiality and the gear opening size precision of the drive axle mounting holes are improved through the drive axle mounting hole positioning assembly, namely, the coaxiality of the positioning pin holes of the drive axle mounting hole positioning assemblies on the left side and the right side is guaranteed through the integral machining of the two groups of