CN218657599U

CN218657599U - Welding positioner for small loader cab

Info

Publication number: CN218657599U
Application number: CN202222130060.8U
Authority: CN
Inventors: 印光宇; 孙靖圻; 陈均均
Original assignee: Jiangsu Shangqi Heavy Industry Technology Co ltd
Current assignee: Jiangsu Shangqi Heavy Industry Technology Co ltd
Priority date: 2022-08-07
Filing date: 2022-08-07
Publication date: 2023-03-21
Anticipated expiration: 2032-08-07

Abstract

A welding positioner for the cab of small loader is a device for fastening the cab to a fixed disk by 4 holes on the cab for welding; the invention is composed of a bracket component, a braking device, a positioning disc component and a rotating component, wherein the braking device is arranged on a cylinder mounting plate in the bracket component and is fastened by screws; the positioning disc assembly is arranged in a bearing hole on the bracket assembly and is limited by a retaining ring for a shaft; the rotating component is arranged on the side plate and is fastened by screws; the cab to be welded is positioned by a positioning sleeve and is arranged on a positioning disc, a gasket is arranged on the positioning disc and is fastened by a screw, a servo motor drives the cab to rotate through a driving gear, a driven gear and a rotating shaft, the cab rotates to a proper position to cut off a power supply, a cylinder in a braking device moves towards the center of the rotating shaft, a pressure head tightly embraces the shaft to start welding, the pressure head is loosened after the welding is finished, and the servo motor drives the cab to rotate and repeats until the welding is finished.

Description

Welding positioner for small loader cab

Technical Field

The utility model relates to a design field that loader technology was equipped, in particular to loader driver's cabin welding shifts the design field of ware.

Background

In the manufacturing process of a small loader, cab welding is a difficult problem, and due to the fact that the structural shape of the small loader is complex, the welding process needs to be shifted frequently, the labor intensity of operators is high, and the welding quality is affected frequently due to the fact that the welding position is not ideal.

Disclosure of Invention

The simple cab welding displacement device can be used for transferring the cab to a position which is considered as convenient for a welder to weld, and is simple and convenient.

A welding positioner for a cab of a small-sized loader comprises a bracket component, a braking device, a positioning disc component and a rotating component, and is characterized in that the braking device is arranged on a cylinder mounting plate in the bracket component and is fastened by screws; the positioning disc assembly is arranged in a bearing hole on the bracket assembly and is limited by a retaining ring for a shaft; the rotating assembly is arranged on a side plate of the bracket and is fastened by screws; the bracket assembly consists of a bracket, a bearing seat I, a bearing seat II and a transition disc assembly, wherein the bearing seat I and the bearing seat II are positioned by an upper arc of the bracket and are welded on the bracket; the support is formed by welding a side plate, a reinforcing plate, a cylinder mounting plate and a bottom plate, wherein the side plate is provided with an arc matched with the bearing seat and a screw hole for mounting the braking device and the rotating device; the bearing seat I consists of a bearing cover, a bearing and a bearing shell I, wherein the bearing is arranged in the bearing shell I, and a spigot of the bearing cover is matched with a hole of the bearing shell I, is protected from dust by an oil seal and is fastened by a screw; the bearing seat II consists of a bearing cover, a bearing and a bearing shell II, the bearing is arranged in a hole of the bearing shell II, a spigot of the bearing cover is matched with the hole of the bearing shell I, and the bearing is dustproof by using an oil seal and fastened by using a screw; the transition disc assembly consists of a transition disc, a rotating shaft, reinforcing ribs and a flat key, the transition disc, the rotating shaft and the reinforcing ribs are welded into a whole, and the flat key is arranged in a key groove at the left end of the rotating shaft and matched with a key groove on the driven gear; the braking device is assembled by the combination parts of 2 groups of angle irons and 2 cylinders; the angle iron is formed by welding 4 steel plates, the air cylinder is fastened on the angle iron through screws, and a threaded part on the pressure head is screwed into a screw hole on the air cylinder and is locked by a thin nut; the diameter of the arc is consistent with that of the rotating shaft; the positioning disc assembly consists of a positioning plate, a positioning sleeve I, a positioning sleeve II and a gasket, and the positioning sleeve I and the positioning sleeve II are fastened on the positioning plate after the gasket is arranged on the positioning sleeve I and the positioning sleeve II by screws; the cab to be welded is sleeved on the positioning sleeve I and the positioning sleeve II and is fastened by screws; the rotating assembly consists of a driving gear, a motor bracket, a servo motor and a driven gear, wherein the driving gear is sleeved on an output shaft of the servo motor and is fastened by a screw; the driven gear is sleeved on the rotating shaft provided with the flat key and is fastened by a screw;

drawings

FIG. 1 is an isometric view of a cab requiring welding in accordance with the invention

In the figure, A1, A2, A3, A4 are mounting holes;

FIG. 2 is a front view of the present invention

FIG. 3 is a top view of the present invention

FIG. 4 is a side view of the present invention

In the figure, a bracket component 1, a braking device 2, a positioning disc component 3 and a rotating component 4;

FIG. 5 is a front view of a bracket assembly of the present invention

FIG. 6 is a side view of a stent assembly of the present invention

In the figure, a bracket 1-1, a bearing seat I.1-2, a bearing seat II.1-3 and a transition disc assembly 1-4;

FIG. 7 is a front view of a stent in a stent assembly

FIG. 8 is a side view of a stent in a stent assembly

In the figure, a side plate 1-1-1, a reinforcing plate 1-1-2, a cylinder mounting plate 1-1-3 and a bottom plate 1-1-4;

FIG. 9 is a front cross-sectional view of a bearing seat I in a bracket assembly

In the figure, a bearing cover 1-2-1, a bearing 1-2-2 and a bearing shell I.1-2-3 are arranged in the bearing shell I, the bearing cover is arranged in a hole of the bearing shell I, is protected from dust by an oil seal and is fastened by a screw;

FIG. 10 is a front sectional view of a bearing seat II of the bracket assembly

In the figure, a bearing cover 1-2-1, a bearing 1-2-2, a bearing shell II.1-3-1 and a bearing retainer 1-3-2 are arranged in the bearing shell I, the bearing cover is arranged in a bearing shell hole II, is protected from dust by an oil seal and is fastened by a screw; the bearing and the bearing cover of the bearing seat I and the bearing seat II are completely the same;

FIG. 11 is a front view of a transition disc assembly in a carrier assembly

In the figure, a transition disc 1-4-1, a rotating shaft 1-4-2, a reinforcing rib 1-4-3, a flat key 1-4, a bearing retainer ring 1-3-4;

FIG. 12 is a front view of the brake device

FIG. 13 is a side view of the brake assembly, which consists of 2 sets of cylinders and angle iron;

in the figure, the braking device is assembled by 2 groups of angle irons and 2 cylinders, 2-1 the angle irons are welded by 4 steel plates, 2-2 the cylinders are fastened on the angle irons by screws, 2-3 the threaded parts on the pressure heads are screwed into screw holes on the cylinders and locked by thin nuts;

FIG. 14 is a front view of the puck assembly

FIG. 15 is a side view of the puck assembly, the puck being secured to the transition plate with screws;

in the figure, a positioning plate 3-1, a positioning sleeve I.3-2, a positioning sleeve II.3-3 and a gasket 3-4; the positioning sleeve I and the positioning sleeve II are fastened on the positioning plate after being cushioned by a gasket through screws; the cab sleeve to be welded is sleeved on the positioning sleeve I and the positioning sleeve II and is fastened by screws;

FIG. 16 is a front view of the rotating assembly

FIG. 17 is a top view of the rotating assembly

In the figure, a driving gear.4-1, a motor bracket.4-2, a servo motor.4-3 and a driven gear.4-4; the driving gear is sleeved on an output shaft of the servo motor and is fastened by screws; the driven gear is sleeved on a rotating shaft provided with a flat key, and is fastened by a screw after being padded with a gasket;

Detailed Description

The invention will be further explained with reference to the drawings

As shown in figure 1, the invention uses 4 holes on the cab to fasten the cab on the fixed disc;

as shown in fig. 2, 3 and 4, the invention comprises a bracket assembly, a braking device, a positioning disc assembly and a rotating assembly, wherein the braking device is arranged on a cylinder mounting plate in the bracket assembly and is fastened by screws; the positioning disc assembly is arranged in a bearing hole on the bracket assembly and is limited by a check ring for a shaft; the rotating assembly is arranged on the side plate and is fastened by screws;

as shown in fig. 5 and 6, the bracket assembly is composed of a bracket, a bearing seat I, a bearing seat II and a transition disc assembly, wherein the bearing seat I and the bearing seat II are positioned by an arc on the bracket and welded on the bracket; the support is formed by welding a side plate, a reinforcing plate, an air cylinder mounting plate and a bottom plate, wherein the side plate is provided with an arc for welding a bearing seat for positioning and a screw hole for mounting a braking device and a rotating device; the bearing seat I consists of a bearing cover, a bearing and a bearing shell I, wherein the bearing is arranged in the bearing shell I, and a spigot of the bearing cover is matched with a hole of the bearing shell I; the bearing seat II consists of a bearing cover, a bearing and a bearing shell II, the bearing is arranged in a hole of the bearing shell II, and a spigot of the bearing cover is matched with the hole of the bearing shell I; both bearing shells are dustproof by oil seals, and both bearing covers are fastened by screws;

as shown in fig. 7 and 8, the bracket assembly is composed of a side plate, a reinforcing plate, a cylinder mounting plate and a bottom plate by welding, wherein the side plate is provided with an arc for welding the bearing seat for positioning and a screw hole for mounting the braking device and the rotating device;

as shown in fig. 9, a bearing seat I is composed of a bearing cover, a bearing and a bearing shell I, wherein the bearing is arranged in the bearing shell I, the bearing cover is arranged in a hole of the bearing shell I, is protected from dust by an oil seal and is fastened by a screw;

as shown in fig. 10, the bearing seat II is composed of a bearing cover, a bearing and a bearing housing II, the bearing is installed in the bearing housing II, the bearing cover is installed in the hole of the bearing housing II, is protected from dust by an oil seal and is fastened by a screw;

as shown in fig. 11, the transition disc assembly is composed of a transition disc, a rotating shaft, a reinforcing rib and a flat key, the transition disc, the rotating shaft and the reinforcing rib are welded into a whole, and the flat key is arranged in a key slot at the left end of the rotating shaft and is used for being matched with a key slot on a driven gear to transmit torque;

as shown in fig. 12 and 13, the braking device is assembled by 2 groups of angle iron and cylinder assemblies, the angle iron is formed by welding 4 steel plates, the cylinder is fastened on the angle iron by a screw, and a threaded part on the pressure head is screwed into a threaded hole on the cylinder and locked by a thin nut; the arc part is used for tightly holding the rotating shaft;

as shown in fig. 14 and 15, the positioning disc assembly comprises a positioning plate, a positioning sleeve I, a positioning sleeve II and a gasket, wherein the positioning sleeve I and the positioning sleeve II are fastened after being screwed with the gasket;

as shown in fig. 16 and 17, the rotating assembly is composed of a driving gear, a motor bracket, a servo motor and a driven gear, wherein the driving gear is sleeved on an output shaft of the servo motor and is fastened by a screw; the driven gear is sleeved on the rotating shaft provided with the flat key and is fastened by a screw;

the cab to be welded is positioned by a positioning sleeve, the cab is arranged on a positioning disc, a gasket is arranged on the positioning disc and then fastened by a screw, a servo motor drives the cab to rotate through a driving gear, a driven gear and a rotating shaft, the cab is rotated to a proper position to cut off a power supply, a cylinder piston rod in a braking device moves towards the center of the rotating shaft, a pressure head tightly embraces the shaft to start welding, a welding seam is welded, the two cylinder piston rods move outwards to release the pressure head, the servo motor drives the cab to rotate through the driving gear, the driven gear and the rotating shaft, and the steps are repeated until the welding is finished.

The invention can be used for manual welding, and is also provided with a robot and a control system to realize automatic welding.

Claims

1. A welding positioner for a cab of a small-sized loader comprises a bracket assembly (1), a braking device (2), a positioning disk assembly (3) and a rotating assembly (4), and is characterized in that the braking device is arranged on a cylinder mounting plate in the bracket assembly and is fastened by screws; the positioning disc assembly is arranged in a bearing hole on the bracket assembly and is limited by a retaining ring for a shaft; the rotating assembly is arranged on a side plate of the bracket and is fastened by screws;

the support assembly consists of a support (1-1), a bearing seat I. (1-2), a bearing seat II. (1-3) and a transition disc assembly (1-4), wherein the bearing seat I and the bearing seat II are positioned by arcs on the support and are welded on the support; the support is formed by welding a side plate (1-1-1), a reinforcing plate (1-1-2), an air cylinder mounting plate (1-1-3) and a bottom plate (1-1-4), wherein the side plate is provided with an arc matched with a bearing seat and a screw hole for mounting a braking device and a rotating device;

the bearing seat I. (1-2) consists of a bearing cover (1-2-1), a bearing (1-2-2) and a bearing shell I. (1-2-3), wherein the bearing is arranged in the bearing shell I, a spigot of the bearing cover is matched with a hole of the bearing shell I, an oil seal is used for preventing dust, and the bearing cover I is fastened by a screw;

the bearing seat II, (1-3) consists of a bearing cover (1-2-1), a bearing (1-2-2) and a bearing shell II, (1-3-1), wherein the bearing is arranged in a hole of the bearing shell II, a spigot of the bearing cover is matched with a hole of the bearing shell I, and the bearing cover II, the spigot and the hole of the bearing shell I are sealed by an oil seal and are fastened by screws;

the transition disc assembly (1-4) consists of a transition disc (1-4-1), a rotating shaft (1-4-2), a reinforcing rib (1-4-3) and a flat key (1-4-4), wherein the transition disc, the rotating shaft and the reinforcing rib are welded into a whole, and the flat key is arranged in a key groove at the left end of the rotating shaft and is matched with a key groove on the driven gear;

the braking device (2) is assembled by a combination of 2 groups of angle irons (2-1) and 2 cylinders (2-2); the angle iron is formed by welding 4 steel plates, the air cylinder is fastened on the angle iron by using screws, and a threaded part on the pressure head is screwed into a screw hole on the air cylinder and is locked by using a thin nut; the diameter of the arc is consistent with that of the rotating shaft;

the positioning disc assembly (3) consists of a positioning plate (3-1), a positioning sleeve I (3-2), a positioning sleeve II (3-3) and a gasket (3-4), and the positioning sleeve I and the positioning sleeve II are fastened on the positioning plate after being cushioned by the gasket through screws; the cab to be welded is sleeved on the positioning sleeve I and the positioning sleeve II and is fastened by screws;

the rotating assembly (4) consists of a driving gear (4-1), a motor support (4-2), a servo motor (4-3) and a driven gear (4-4), wherein the driving gear is sleeved on an output shaft of the servo motor and is fastened by screws; the driven gear is sleeved on the rotating shaft provided with the flat key and is fastened by a screw.