CN104439851A - Racing automobile frame welding jig - Google Patents

Abstract

The invention provides a racing automobile frame welding jig which comprises a platform. Inverted T-shaped grooves are formed in the platform. Horizontal 4040 aluminum profiles are arranged on the faces of the inverted T-shaped grooves of the platform. The two ends of each horizontal 4040 aluminum profile are fixedly connected with the platform through T-shaped fixing clamping plates respectively. L-shaped corner joint plates are oppositely arranged on each horizontal 4040 aluminum profile. A vertical 4040 aluminum profile is vertically clamped between every two opposite L-shaped corner joint plates. An arc-shaped groove fixing clamping plate is arranged on one vertical 4040 aluminum profile and is composed of an arc-shaped groove fixing plate and U-shaped bolts. In the use process, a frame steel pipe is clamped and fixed through the arc-shaped groove fixing clamping plate. By means of the jig, all parts of a frame can be fixed and welded independently, overall welding is conducted after residual stress is eliminated, and therefore the stability of the frame is ensured, and the racing automobile machining and manufacturing are smoothly achieved; meanwhile, all the components of the jig are low in price, and the jig is convenient to detach, capable of being repeatedly used, long in service life and capable of greatly reducing the competition cost.

Description

A kind of racing car welding clamp of vehicle frame

Technical field

The present invention relates to a kind of fixture for university student's formula car contest racing car Frame Welding, belong to automobile frock clamp field.

Background technology

In recent years, increasing universities and colleges start the equation motorcycle race team setting up oneself.But owing to starting late, lack experience, at vehicle frame processing and fabricating, especially vehicle frame is built and the technical elements such as cut welding exists many problems.

Existing equation motorcycle race vehicle frame, the prior welding mode that adopts is built more, and operating process is loaded down with trivial details, waste time and energy, and be difficult to ensure that clamping device is fastening, cause Frame Welding precision low, the residual stress of generation causes frame distortion serious, increases manufacturing cost.

Summary of the invention

For improving the welding precision of vehicle frame, reduce welding residual stress, reduce racing car development cost, the present invention proposes a kind of fixture for university student's equation motorcycle race Frame Welding.

For this reason, technical scheme of the present invention is: a kind of racing car welding clamp of vehicle frame, comprise a platform, platform is provided with in the width direction multiple inverted T shape groove, it is characterized in that: on the inverted T shape groove face of platform, be provided with level 4040 aluminium section bar, level 4040 aluminium section bar two ends are fixedly connected with platform respectively by a T-shaped strap, T-shaped strap on one piece of transverse slat, fixes two pieces of risers side by side form, transverse slat two ends are respectively equipped with bolt, bolt head is arranged in the inverted T shape groove on platform, make transverse slat be fixed on platform during assembling by tighting a bolt, level 4040 aluminium section bar is stuck between two pieces of risers of T-shaped strap,

Level 4040 aluminium section bar profile is provided with vertical 4040 aluminium section bars, is fixed by L-type gusset joint plate between vertical 4040 aluminium section bars and level 4040 aluminium section bar;

Vertical 4040 aluminium section bars are provided with deep-slotted chip breaker strap, and deep-slotted chip breaker strap is made up of deep-slotted chip breaker fixed head and U-bolt, and during use, deep-slotted chip breaker strap is for clamping vehicle frame steel pipe.

Using method:

During welded frame, first four in separator face before vehicle frame piece are treated that Coiling Welded Pipe is fixed on aluminium section bar, in this, as datum level by deep-slotted chip breaker strap; Then according to design concept, treating other positions of vehicle frame that Coiling Welded Pipe overlaps successively with aluminium section bar by datum level and fix, carries out segmentation welding; After stress elimination etc. each welding portion, then complete integral solder.

For ensureing stability and the accuracy of welding, when building 4040 aluminium section bar, suitably can set up triangular structure and make it more firm, aluminium section bar is built and is wanted rationally simultaneously, ensures that the steel pipe of vehicle frame main portions can be fixed on aluminium section bar.Because the design size of vehicle frame is different, so building of aluminium section bar also can be different because of vehicle frame, but main thought is substantially identical: a plane on vehicle frame first will be selected as datum level, and other positions of vehicle frame are all determined according to this datum level; And then other major parts (such as main ring and front ring) of vehicle frame are welded by design size and reference position are fixing, finally weld other secondary positions according to actual conditions clamping.Some position too many aluminium section bar of steel pipe quantity for vehicle frame is difficult to fix, and can first fix one that is wherein easier to fix, and then according to mill groove and the welding complexity of steel pipe, is more directly welded successively from simple to complex by other steel pipes and need not fix.

Beneficial effect:

The present invention by arranging inverted T shape groove on platform, and facilitate building of aluminium section bar and fixing of vehicle frame steel pipe, this platform is not yielding simultaneously, can effectively ensure Frame Welding precision; Select 4040 aluminium section bars as the fixed support mechanism of vehicle frame steel-pipe welding, cost is low, and intensity is high, can effectively reduce stress, improves welding precision.This fixture can realize the fixing welding separately of each position of vehicle frame, carries out integral solder again, ensure the firm of vehicle frame, realize racing car processing and fabricating smoothly with this after residual stress is eliminated; Meanwhile, each component of this fixture is cheap, for convenience detach, can reuse, long service life, greatly reduces competition cost.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

Fig. 2 is left view of the present invention;

Fig. 3 is the front view of part 4 in Fig. 1;

Fig. 4 is the structural representation of part 5 in Fig. 1;

Fig. 5 is the structural representation of part 7 in Fig. 1.

Number in the figure is: 1, platform; 2, the first level 4040 aluminium section bar; 3, the second level 4040 aluminium section bar; 4, T-shaped strap; 5, L-type gusset joint plate; 6, vertical 4040 aluminium section bars; 7, deep-slotted chip breaker fixed head; 8, U-bolt; 9, vehicle frame steel pipe.

Detailed description of the invention

Below in conjunction with accompanying drawing, the invention will be further described.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of racing car welding clamp of vehicle frame, comprises platform 1, is arranged side by side seven inverted T shape grooves on the platform 1 along its width; The inverted T shape groove face of platform 1 be arranged in parallel the first level 4040 aluminium section bar 2 and the second level 4040 aluminium section bar 3, by fixing on the platform 1 respectively by a T-shaped strap 4 for the two ends of the first level 4040 aluminium section bar 2 and the second level 4040 aluminium section bar 3; Described T-shaped strap 4 on one piece of transverse slat, is fixedly connected with two pieces of risers respectively by a screw form, transverse slat two ends connect a bolt (as Fig. 3) respectively, during use, level 4040 aluminium section bar is stuck between two pieces of risers, then by tightening the bolt at transverse slat two ends by fixing on the platform 1 for T-shaped strap 4; The profile of the first level 4040 aluminium section bar 2 is bolted two pairs of L-type gusset joint plates 5, and often pair of L-type gusset joint plate is positioned opposite, then vertical 4040 aluminium section bars 6 of clamping one between often pair of L-type gusset joint plate; Use the same method vertical 4040 aluminium section bars 6 of clamping one in the profile of the second level 4040 aluminium section bar 3; Vertical 4040 aluminium section bars 6 of every root are fixedly connected with a deep-slotted chip breaker strap by T-shaped bolt, described deep-slotted chip breaker strap is made up of deep-slotted chip breaker fixed head 7 and U-bolt 8, T-shaped bolt hole is respectively equipped with at the two ends up and down of deep-slotted chip breaker fixed head 7, first with T-shaped bolt, deep-slotted chip breaker fixed head is fixed on vertical 4040 aluminium section bars during assembling, then vehicle frame steel pipe 9 is stuck in the deep-slotted chip breaker on deep-slotted chip breaker fixed head, last overlap a U-bolt respectively at steel pipe two ends and with nut screwing clamping, with this vehicle frame steel pipe clamp fastened and weld on aluminium section bar.

Described first level 4040 aluminium section bar 2 and the second level 4040 aluminium section bar 3 are that 4040 aluminium section bars are intercepted two ends according to the length of platform 1, are then horizontally fixed on platform 1 respectively by two ends 4040 aluminium section bar; Described vertical 4040 aluminium section bars 6 are that 4040 aluminium section bars are intercepted corresponding length according to the height of institute's welding tractor frame, are then vertically fixed on level 4040 aluminium section bar by this 4040 aluminium section bar.

During welding, first four in separator face before vehicle frame piece are treated that Coiling Welded Pipe is fixed on aluminium section bar, in this, as datum level by deep-slotted chip breaker strap; Then according to design concept, treating other positions of vehicle frame that Coiling Welded Pipe overlaps successively with aluminium section bar by datum level and fix, carries out segmentation welding; After stress elimination etc. each welding portion, then complete integral solder.

For ensureing stability and the accuracy of welding, when building 4040 aluminium section bar, suitably can set up triangular structure and make it more firm, aluminium section bar is built and is wanted rationally simultaneously, ensures that the steel pipe of vehicle frame main portions can be fixed on aluminium section bar.Because the design size of vehicle frame is different, so building of aluminium section bar also can be different because of vehicle frame, but main thought is substantially identical: a plane on vehicle frame first will be selected as datum level, and other positions of vehicle frame are all determined according to this datum level; And then other major parts (such as main ring and front ring) of vehicle frame are welded by design size and reference position are fixing, finally weld other secondary positions according to actual conditions clamping.Some position too many aluminium section bar of steel pipe quantity for vehicle frame is difficult to fix, and can first fix one that is wherein easier to fix, and then according to mill groove and the welding complexity of steel pipe, is more directly welded successively from simple to complex by other steel pipes and need not fix.

The present invention by arranging inverted T shape groove on platform, and facilitate building of aluminium section bar and fixing of vehicle frame steel pipe, this platform is not yielding simultaneously, can effectively ensure Frame Welding precision; Select 4040 aluminium section bars as the fixed support mechanism of vehicle frame steel-pipe welding, cost is low, and intensity is high, can effectively reduce stress, improves welding precision.This fixture can realize the fixing welding separately of each position of vehicle frame, carries out integral solder again, ensure the firm of vehicle frame, realize racing car processing and fabricating smoothly with this after residual stress is eliminated; Meanwhile, each component of this fixture is cheap, for convenience detach, can reuse, long service life, greatly reduces competition cost.

Claims (1)

1. a racing car welding clamp of vehicle frame, comprise a platform, platform is provided with in the width direction multiple inverted T shape groove, it is characterized in that: on the inverted T shape groove face of platform, be provided with level 4040 aluminium section bar, level 4040 aluminium section bar two ends are fixedly connected with platform respectively by a T-shaped strap, T-shaped strap on one piece of transverse slat, fixes two pieces of risers side by side form, transverse slat two ends are respectively equipped with bolt, bolt head is arranged in the inverted T shape groove on platform, make transverse slat be fixed on platform during assembling by tighting a bolt, level 4040 aluminium section bar is stuck between two pieces of risers of T-shaped strap,

Level 4040 aluminium section bar profile is provided with vertical 4040 aluminium section bars, is fixed by L-type gusset joint plate between vertical 4040 aluminium section bars and level 4040 aluminium section bar;

Vertical 4040 aluminium section bars are provided with deep-slotted chip breaker strap, and deep-slotted chip breaker strap is made up of deep-slotted chip breaker fixed head and U-bolt, and during use, deep-slotted chip breaker strap is for clamping vehicle frame steel pipe.