CN215469204U - Rear drive axle assembly middle section welding point fixed knot constructs - Google Patents

Abstract

The utility model discloses a welding point positioning structure for a middle section of a rear drive axle assembly, which comprises a supporting mechanism and a positioning spot welding mechanism, wherein a sliding groove is arranged in the supporting mechanism, the positioning spot welding mechanism comprises a point positioning welding part and an arc-shaped steel plate integration part, and the point positioning welding part comprises a fixed shell, an inner pad movably arranged on the inner side of the fixed shell and a bearing part connected to the bottom of the fixed shell. Through the inboard movable mounting at the vertical pile, and inner fixed mounting that will on the base, when the manual control base goes up and down or horizontal sideslip, utilize the rotation that the outer fixation nut of unscrewing comes the interior son pole of control pull rod, screw up outer fixation nut once more after being 45 degrees contained angles up to the hole of reserving on the welding rod of interior inboard pad and the shock attenuation steel sheet, at this moment, the manual movement vertical pile can make things convenient for the hole of reserving on welding rod and the steel sheet to carry out the spot welding, thereby greatly reduced manual operation's burden.

Description

Rear drive axle assembly middle section welding point fixed knot constructs

Technical Field

The utility model relates to the technical field of automobile part welding, in particular to a welding point positioning structure for a middle section of a rear drive axle assembly.

Background

The automobile comprises a full-drive and a four-drive, and an automobile drive axle wheel set, which comprises a hub reduction gear, a brake assembly, a steering knuckle, a hub assembly, a supporting shaft assembly, a hub transmission shaft, an upper swing arm coupling assembly and a lower swing arm coupling assembly, wherein a steel plate structure for damping is required to be arranged between the front drive and the rear drive of the automobile in order to keep stability during running.

At present, automobile drive axle need utilize cascaded steel sheet structure to strengthen the steady that the car went and reduce the car vibrations and penetrate the driver's cabin when installing on vehicle chassis, and cascaded steel sheet structure is with an arc steel sheet as the base face then with the steel sheet of different length superpose layer upon layer and weld at present, because this type of arc steel sheet surface bending is with 45 degrees contained angles welding optimumly again in manual welding operation, consequently how to improve the welding to this type of arc shock attenuation steel sheet promptly be the technical difficulty that this practicality needs to solve.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the utility model is as follows:

rear-drive axle assembly middle section welding point fixed knot constructs, including supporting mechanism and spot welding mechanism, the supporting mechanism embeds there is the spout, spot welding mechanism includes a fixed welding portion and arc steel sheet integration portion, a fixed welding portion includes horizontal locating part and fixed shell, movable mounting and is in fixed shell inboard interior pad and connection are in the bearing part of fixed shell bottom.

Through adopting above-mentioned technical scheme, it is shown with reference to figure 1, during the use, operating personnel need be according to a plurality of the inside hole of shock attenuation steel sheet is adjusted the horizontal migration of interior female pole receives the lateral shifting effect when the base under, can be 45 degrees contained angles between welding rod and the arc shock attenuation steel sheet and carry out the spot fixed welding this moment to can reduce the too big problem of manual work time overlength lead to workman's physical demands, the spot fixed welding also can improve welded success nature simultaneously.

The present invention in a preferred example may be further configured to: the supporting mechanism comprises a fixed base and a damping steel plate placed on the fixed base.

Through adopting above-mentioned technical scheme, when because manual welding arc shock attenuation steel sheet mechanical energy spot welding, external effort can lead to superimposed arc steel sheet skew to appear very easily, and the transversal joint welding mode of adopting can lead to welded molten iron can not combine completely with two steel sheets simultaneously now, and then the welding product irregularity appears, consequently sets up unable adjustment base and the guide bar retrains and is spacing to the arc steel sheet to can improve the stability of arc steel sheet.

The present invention in a preferred example may be further configured to: the shock attenuation steel sheet is formed by many arc steel sheet composite welding, and is a plurality of the arc steel sheet embeds there is the through-hole, and the length of the top arc steel sheet to the arc steel sheet of bottommost along vertical direction increases in proper order.

Through adopting above-mentioned technical scheme, the utilization will be a plurality of the hole is seted up to shock attenuation steel sheet inside, through the spot fixed weld, will overlap each other two the shock attenuation steel sheet welds, can make two arc steel sheets that overlap each other carry out perfect welding.

The present invention in a preferred example may be further configured to: the arc-shaped steel plate integration part comprises a vertical pile inserted in the sliding groove, an elastic expansion piece arranged on the inner side of the vertical pile, a horizontal limiting piece positioned in the middle of the inner side of the vertical pile, a pull rod connected to the outer end of the horizontal limiting piece and a guide rod connected to the inner side of the vertical pile.

Through adopting above-mentioned technical scheme, because welding rod and welding between the board are 45 degrees contained angles and weld when the best welding form of manual welding now, in order to improve the integrality of welding product and the firm of welding product, consequently set up fixed shell and interior pad and bearing piece tighten the welding rod to can make the device conveniently install the welding rod fast to and the security when improving the welding rod use.

The present invention in a preferred example may be further configured to: the elastic telescopic piece is composed of a spring and a sliding block, and the sliding block is located at the bottom of the outer end clamping block of the horizontal limiting piece and is used for supporting the horizontal limiting piece.

Through adopting above-mentioned technical scheme, utilize the bottom fixed mounting of erector pile inner chamber the elasticity extensible member will spring coupling in the elasticity extensible member is in the inboard bottom of erector pile works as when receiving the exogenic action and going up and down, the elasticity extensible member can be to playing effectual support.

The present invention in a preferred example may be further configured to: the horizontal limiting part is composed of a telescopic female rod, a telescopic sub-rod and a fixing nut, and one end of the telescopic sub-rod is movably inserted into an inner cavity of the telescopic female rod.

Through adopting above-mentioned technical scheme, the utilization will horizontal locating part adopts flexible female pole and flexible sub-pole to constitute, and the deflection angle of base and welding rod is controlled to the elasticity degree that utilizes the flexible female pole external fixation nut of control, and at this moment, can make things convenient for the quick regulation welding rod of operating personnel to carry out point fixed welding operation to the arc steel sheet surface.

The present invention in a preferred example may be further configured to: the fixed shell is internally provided with an annular cavity, the two sides of the outer part of the fixed shell are spirally connected with screw rods, and the inner ends of the screw rods penetrate through the inner part of the inner pad.

By adopting the technical scheme, the screw rods are spirally connected on two sides of the outer part of the fixed shell, the inner ends of the screw rods are movably inserted in the inner pad, and the inner pad is controlled to clamp the welding rod by controlling the rotation of the screw rods.

The present invention in a preferred example may be further configured to: the whole bearing part is T-shaped, and the length of the bearing part is one half of the welding rod and is used for supporting the welding rod.

Through adopting above-mentioned technical scheme, the utilization is in the bottom installation bearing piece of fixed shell to run through the welding rod to the bottom of bearing piece, when using the welding rod, the pressure that external effort applied to the welding rod can lead to the welding rod to appear deforming, and at this moment, the bearing piece that sets up can exert one to the welding rod and support the protection.

By adopting the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the automobile rear drive axle and the automobile front drive axle are arranged between the automobile chassis and need to be connected by the arc-shaped damping steel plate, and in order to improve the manual welding efficiency of the arc-shaped damping steel plate, the automobile rear drive axle and the automobile front drive axle are movably arranged on the inner side of the vertical pile, the inner end of the vertical pile is fixedly arranged on the base, when the base is manually controlled to lift or horizontally move, the outer fixing nut is unscrewed to control the rotation of the pull rod inner rod, and the outer fixing nut is screwed again until the welding rod on the inner side of the inner pad and the hole reserved on the damping steel plate form an included angle of 45 degrees, at the moment, the welding rod and the hole reserved on the steel plate can be conveniently subjected to point-to-point welding by manually moving the vertical pile, so that the burden of manual operation is greatly reduced.

2. According to the utility model, when the shock-absorbing trapezoidal steel plate is welded manually, the arc-shaped steel plate is easy to slide under the action of external force, so that the next manual welding procedure is not facilitated.

Drawings

FIG. 1 is a schematic diagram of one embodiment of the present invention;

FIG. 2 is a schematic side bottom view of one embodiment of the present invention;

FIG. 3 is a schematic partial dispersion view of FIG. 1 in accordance with one embodiment of the present invention;

FIG. 4 is a schematic diagram of the internal dispersion of FIG. 1 according to one embodiment of the present invention.

Reference numerals:

100. a support mechanism; 110. a fixed base; 120. a damping steel plate;

200. a tack welding mechanism; 210. erecting piles; 220. an elastic extensible member; 230. a horizontal limit piece; 240. A pull rod; 250. fixing the housing; 260. an inner cushion; 270. a bearing member; 280. a guide rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the utility model.

The following describes a middle welding point positioning structure of a rear drive axle assembly according to some embodiments of the present invention with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 3 and 4, the welding point positioning structure for the middle section of the rear drive axle assembly provided by the present invention includes a supporting mechanism 100 and a tack welding mechanism 200, wherein the tack welding mechanism 200 is movably inserted into the supporting mechanism 100 through a vertical pile 210 therein.

The supporting mechanism 100 includes a fixed base 110 and a shock-absorbing steel plate 120, and the tack welding mechanism 200 includes a vertical pile 210, an elastic expansion member 220, a horizontal limiting member 230, a pull rod 240, a fixed housing 250, an inner pad 260, a bearing member 270, and a guide rod 280.

Specifically, supporting mechanism 100 embeds there is the spout, tack welding mechanism 200 includes a fixed welding portion and arc steel sheet integration portion, a fixed welding portion includes horizontal locating part 230 and fixed shell 250, movable mounting is at the inboard interior pad 260 of fixed shell 250 and connects the bearing part 270 in fixed shell 250 bottom, receive horizontal locating part 230 lateral shifting effect down when the base, can be 45 degrees contained angles between welding rod and the arc shock attenuation steel sheet and carry out a fixed welding this moment, thereby can reduce the too big problem of workman's physical demands that the manual work time overlength leads to, the fixed welding of a while also can improve welded success.

Example two:

referring to fig. 3, on the basis of the first embodiment, the superposed arc-shaped steel plates are easily deviated due to external force, meanwhile, the straight seam welding mode adopted at present can cause that the welded molten iron can not be completely combined with two steel plates, further, the welding products are uneven, so the fixed base 110 and the guide rod 280 are arranged to restrain and limit the arc-shaped steel plate, thereby improving the stability of the arc-shaped steel plates, welding the two shock absorption steel plates 120 which are mutually overlapped, and perfectly welding the two arc-shaped steel plates which are mutually overlapped, wherein the supporting mechanism 100 comprises a fixed base 110 and the shock absorption steel plates 120 which are arranged on the fixed base 110, the shock absorption steel plates 120 are formed by welding a plurality of arc-shaped steel plates in a combined way, and a plurality of arc steel sheets embed has the through-hole, and the length of the top arc steel sheet to the arc steel sheet of bottommost along vertical direction increases in proper order.

Example three:

in the above embodiment, as shown in fig. 4, in order to improve the integrity and stability of the welding product, the fixing housing 250, the inner pad 260 and the bearing member 270 are provided to tighten the welding rod, so as to enable the device to conveniently and quickly install the welding rod, and improve the safety of the welding rod during use, and at the same time, the spring in the elastic expansion member 220 is connected to the bottom of the inner side of the vertical pile 210, when the horizontal position-limiting member 230 is lifted by an external force, the elastic expansion member 220 can effectively support the horizontal position-limiting member 230, the arc-shaped steel plate integration portion includes the vertical pile 210 inserted in the sliding groove, the elastic expansion member 220 installed inside the vertical pile 210, the horizontal position-limiting member 230 located in the middle of the inner side of the vertical pile 210, the pull rod 240 connected to the outer end of the horizontal position-limiting member 230, and the guide rod 280 connected to the inner side of the vertical pile 210, the elastic expansion member 220 is composed of a spring and a sliding block, and the sliding block is located at the bottom of the outer end fixture block of the horizontal limiting member 230 and is used for supporting the horizontal limiting member 230.

Example four:

referring to fig. 4, in the above embodiment, the inner end of the screw rod is movably inserted into the inner pad 260, the inner pad 260 is controlled to clamp the welding rod by controlling the rotation of the screw rod, the base and the deflection angle of the welding rod are controlled by controlling the tightness degree of the outer fixing nut of the telescopic female rod, at this time, an operator can conveniently and rapidly adjust the welding rod to perform point-fixing welding operation on the surface of the arc-shaped steel plate, and penetrate the welding rod to the bottom end of the bearing member 270, when the welding rod is used, the welding rod is deformed by the pressure applied to the welding rod by the external acting force, at this time, the bearing member 270 is arranged to apply a supporting protection to the welding rod, the horizontal limiting member 230 is composed of the telescopic female rod, the telescopic male rod and the fixing nut, one end of the telescopic male rod can be movably inserted into the inner cavity of the telescopic female rod, the fixing housing 250 is provided with an annular cavity, and the two sides outside of the fixing housing 250 are spirally connected with the screw rod, the inner end of the screw rod penetrates into the inner pad 260, the bearing part 270 is integrally T-shaped, and the length of the bearing part 270 is one half of that of the welding rod and is used for supporting the welding rod.

The working principle and the using process of the utility model are as follows: because the structure of the automobile driving rear axle which needs to be welded is limited, an arc-shaped steel plate with high elastic strength is needed to be used as a connecting bridge between a driving front axle and a driving rear axle in a four-wheel drive vehicle, and in order to improve the high elasticity and strength of the arc-shaped damping steel plate, the arc-shaped steel plate is often needed to be spot-welded into a ladder shape;

specifically, an operator needs to firstly place the fixing base 110 on a flat working platform or the ground, then insert the vertical piles 210 into the sliding slots at the top of the fixing base 110 along the sliding blocks at the bottom ends of the vertical piles, connect the guide rods 280 to the inner sides of the sliding blocks at the bottoms of the two vertical piles 210 to keep the two vertical piles 210 stable, then insert the horizontal limiting members 230 into the inner sides of the vertical piles 210, place the clamping blocks at the outer ends of the horizontal limiting members 230 on the tops of the sliding blocks in the elastic expansion members 220, so that the elastic expansion members 220 play a role in supporting and rebounding the horizontal limiting members 230, then the operator needs to unscrew the screws at the two outer sides of the fixing shell 250, insert the welding rods into the grooves at the inner sides of the inner pads 260, then unscrew the screws at the two outer sides of the fixing shell 250, then unscrew the fixing nuts at the outer sides of the horizontal limiting members 230, and then control the grip on the base so that the base drives the welding rods and the arc-shaped steel plate to form an included angle of 45 degrees, then the fixing nut outside the horizontal stop 230 is tightened, and then the welding rod is controlled to perform perfect point-fixed welding on the arc-shaped steel plate by pressing the handle of the base and pushing the transverse movement of the base.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims (8)

1. Rear drive axle assembly middle section welding point fixed knot constructs, its characterized in that includes:

a support mechanism (100), wherein a chute is arranged in the support mechanism (100);

the positioning spot welding mechanism (200) comprises a spot welding part and an arc-shaped steel plate integration part;

the point positioning welding part comprises a horizontal limiting part (230), a fixed shell (250), an inner pad (260) movably mounted on the inner side of the fixed shell (250) and a bearing part (270) connected to the bottom of the fixed shell (250).

2. The rear drive axle assembly middle section welding point positioning structure according to claim 1, characterized in that the supporting mechanism (100) comprises a fixed base (110) and a shock-absorbing steel plate (120) placed on the fixed base (110).

3. The rear drive axle assembly middle section welding point positioning structure of claim 2, characterized in that the shock absorption steel plate (120) is formed by welding a plurality of arc-shaped steel plates in a combined manner, and a plurality of arc-shaped steel plates are provided with through holes inside, and the lengths from the uppermost arc-shaped steel plate to the bottommost arc-shaped steel plate in the vertical direction are increased in sequence.

4. The positioning structure of the middle welding point of the rear drive axle assembly according to claim 1, wherein the arc-shaped steel plate integration portion comprises a vertical pile (210) inserted into the sliding groove, an elastic expansion piece (220) installed inside the vertical pile (210), a horizontal limiting piece (230) located in the middle of the inside of the vertical pile (210), a pull rod (240) connected to the outer end of the horizontal limiting piece (230), and a guide rod (280) connected to the inside of the vertical pile (210).

5. The positioning structure of the middle welding point of the rear drive axle assembly according to claim 4, wherein the elastic expansion member (220) is composed of a spring and a slider, and the slider is located at the bottom of a fixture block at the outer end of the horizontal limiting member (230) and is used for supporting the horizontal limiting member (230).

6. The positioning structure of the middle welding point of the rear drive axle assembly according to claim 5, wherein the horizontal limiting member (230) is composed of a telescopic female rod, a telescopic male rod and a fixing nut, and one end of the telescopic male rod is movably inserted into the inner cavity of the telescopic female rod.

7. The rear drive axle assembly middle section welding point positioning structure of claim 1, characterized in that an annular cavity is arranged in the fixed shell (250), and two sides of the outside of the fixed shell (250) are spirally connected with screws, and the inner ends of the screws penetrate through the inside of the inner pad (260).

8. The rear drive axle assembly middle section welding point positioning structure of claim 1, characterized in that, the whole body of the bearing member (270) is in a T shape, and the length of the bearing member (270) is half of the welding rod for supporting the welding rod.

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