Pre-positioning connecting structure for motor fixing support and girder of hybrid electric vehicle

Abstract

The utility model discloses a pre-positioning connecting structure for a motor fixing support and girders of a hybrid electric vehicle, which relates to the technical field of automobile manufacturing and comprises a left girder and a right girder which are arranged oppositely, and a motor and a gearbox are fixedly mounted between the left girder and the right girder. The left side and the right side of the motor are fixedly installed between the left girder and the right girder through a fixing support, the fixing support comprises a reinforcing plate fixedly installed on the side portion of the girder, a connecting base is fixedly connected to the reinforcing plate, and the connecting base is fixedly connected with the motor. The side edge, connected with the girder, of the reinforcing plate protrudes outwards to form a positioning protruding block, and a positioning hole where the positioning protruding block is inserted is formed in the position, corresponding to the positioning protruding block, of the girder. According to the utility model, the reinforcing plate on the fixing bracket can be quickly positioned, and can be aligned and preliminarily fixed, so that the welding is convenient, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile manufacturing, and in particular to a pre-positioning connection structure of a hybrid vehicle motor fixing bracket and a beam. Background Art

[0002] Hybrid vehicles are becoming more and more common on the market. Hybrid vehicles require the installation of motors and gearboxes on the chassis beam. Since the motors and gearboxes are heavy, the strength of the beam at that location and the ease of installation need to be considered. The motor mounting plates currently used are usually single-plate structures, which often lack strength when installing heavier motors. Secondly, when welding the connecting plates, the connecting plates need to be welded to the set position. Since the chassis beam is long, measuring tools are required to determine the horizontal position of the connecting plates. The process is cumbersome and prone to errors. Finally, when welding the connecting plates, due to their long length, the upper end is not easy to fix, and external work is often required, or a single worker needs to hold it with his hands to ensure that the connecting plates do not shake easily during welding. If deflection occurs, re-welding is required, which wastes work time. Utility Model Content

[0003] The purpose of the utility model is to provide a pre-positioning connection structure between a hybrid vehicle motor fixing bracket and a beam, which can realize rapid positioning of a reinforcing plate on the fixing bracket, and can preliminarily fix it, facilitate welding, and improve work efficiency.

[0004] The utility model includes a left beam and a right beam which are arranged opposite to each other, a motor and a gearbox are fixedly installed between the left beam and the right beam, and the left and right sides of the motor are fixedly installed between the left beam and the right beam through fixed brackets, the fixed brackets include a reinforcing plate fixedly installed on the side of the beam, a connecting seat is fixedly connected to the reinforcing plate, and the connecting seat is fixedly connected to the motor; the side edge of the reinforcing plate connected to the beam protrudes outward to form a positioning convex block, and a positioning hole for inserting the positioning convex block is provided at a corresponding position on the beam.

[0005] Preferably, the reinforcing plates include inner reinforcing plates and outer reinforcing plates, which are grouped in pairs and are arranged on the inner and outer sides of the beam relative to each other.

[0006] Preferably, the positioning holes are through holes, and two positioning holes are provided in the vertical direction on the beam corresponding to each group of reinforcement plates, namely an upper positioning hole located at the upper part of the beam and a lower positioning hole located at the lower part of the beam. The upper positioning hole is used to position the outer reinforcement plate, and the lower positioning hole is used to position the inner reinforcement plate.

[0007] Preferably, a clearance opening for avoiding the positioning protrusion is provided on the side where the outer reinforcing plate is connected to the beam, located at a position relative to the lower positioning hole; a clearance opening for avoiding the positioning protrusion is provided on the side where the inner reinforcing plate is connected to the beam, located at a position relative to the upper positioning hole.

[0008] Preferably, the left beam and the right beam both include a vertically arranged straight plate and wing plates vertically arranged at the upper and lower ends of the straight plate; the reinforcing plate is located at the wing plates of the beam and is provided with an avoidance groove for avoiding the wing plates.

[0009] Preferably, the number of fixing brackets on each beam is no less than two groups, which are arranged along the length direction of the beam.

[0010] Preferably, each fixing bracket is provided with no less than two groups of reinforcing plates, and the bottoms of the two groups of reinforcing plates are fixedly connected by a connecting plate.

[0011] In summary, the present invention has the following beneficial effects:

[0012] 1. The side where the reinforcement plate is connected to the beam is protruding outward to form a positioning bump. The beam is provided with a positioning hole for the positioning bump to be inserted at the corresponding position of the positioning bump. During welding, the positioning bump is passed through the positioning hole to achieve rapid horizontal positioning of the reinforcement plate without the need for measuring tools, making the positioning of the reinforcement plate more convenient and accurate. At the same time, it can also provide preliminary fixation for the upper part of the reinforcement plate, making it less likely to shake or fall off during the welding process, thereby improving work efficiency.

[0013] 2. The reinforcement plate is located at the lower wing plate of the beam and is provided with an avoidance groove for avoiding the lower wing plate. The avoidance groove is connected to the lower wing plate to achieve preliminary fixation of the lower part of the reinforcement plate. Cooperating with the positioning protrusion on the upper part of the reinforcement plate, the reinforcement plate is more stable and not easy to tilt.

[0014] 3. Two positioning holes are provided on the straight plate of the beam, one for positioning the inner reinforcement plate and the other for positioning the outer reinforcement plate. The two positioning holes are vertically aligned. After the positioning protrusions on the inner and outer reinforcement plates are respectively inserted into the positioning holes, the inner and outer reinforcement plates can be aligned on the inner and outer sides of the beam to avoid deviation due to errors, which may affect the strength.

[0015] 4. The reinforcing plates include inner reinforcing plates and outer reinforcing plates. The inner reinforcing plates and outer reinforcing plates are grouped in pairs and are arranged on the inner and outer sides of the beam relative to each other, so that the strength of the connection between the motor and the beam is higher and the beam is not easily deformed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall installation of a pre-positioned connection structure between a hybrid vehicle motor fixing bracket and a beam according to the present invention;

[0017] Figure 2 This is a schematic diagram of the installation of the fixed bracket;

[0018] Figure 3 This is an exploded view of the fixed bracket;

[0019] Figure 4 Schematic diagram of the structure of the reinforcement plate.

[0020] In the figure: 1. Left beam; 2. Right beam; 3. Motor; 4. Gearbox; 5. Fixed bracket; 501. Inner reinforcement plate; 502. Outer reinforcement plate; 503. Connecting seat; 504. Positioning protrusion; 505. Avoidance opening; 506. Avoidance groove; 507. Connecting plate; 6. Upper positioning hole; 7. Lower positioning hole. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings.

[0022] The orientations mentioned in this specification are based on the orientations of the pre-positioned connection structure of the hybrid vehicle motor fixing bracket and the frame during normal operation of the present invention. The orientations during storage and transportation are not limited and only represent relative position relationships, not absolute position relationships.

[0023] like Figures 1 to 4 As shown together, a pre-positioning connection structure of a hybrid vehicle motor fixing bracket and a beam includes a left beam 1 and a right beam 2 arranged opposite to each other, and the left beam 1 and the right beam 2 both include a vertically arranged straight plate, and wing plates vertically arranged at the upper and lower ends of the straight plate; a motor 3 and a gearbox 4 are fixedly installed between the left beam 1 and the right beam 2, and the left and right sides of the motor 3 are fixedly installed between the left beam 1 and the right beam 2 through fixing brackets 5; the number of fixing brackets 5 on each beam is provided with no less than two groups, which are arranged along the length direction of the beam; the fixing bracket 5 includes a reinforcing plate fixedly installed on the side of the beam, and a connecting seat 503 is fixedly connected to the reinforcing plate, and the connecting seat 503 is fixedly connected to the motor 3.

[0024] The side where the reinforcing plate is connected to the beam protrudes outward to form a positioning protrusion 504. The corresponding position of the beam to the positioning protrusion 504 is provided with a positioning hole for inserting the positioning protrusion 504. The positioning hole is a through hole. The positioning protrusion 504 passes through the positioning hole and extends to the other side of the beam. During welding, the positioning protrusion 504 is passed through the positioning hole to realize the horizontal positioning of the reinforcing plate, and at the same time, its upper part is preliminarily fixed, so that the reinforcing plate is more stable, not easy to fall off, and the positioning effect is better.

[0025] The longitudinal section of the reinforcing plate is a right-angled trapezoid, and its upper part is a right-angled triangle, which is embedded between the upper wing plate and the lower wing plate of the beam, and its lower part extends downward to the lower part of the beam. The reinforcing plate is located at the lower wing plate of the beam and is provided with an avoidance groove 506 for avoiding the lower wing plate; the avoidance groove 506 is clamped on the lower wing plate to realize the positioning and preliminary fixation of the lower part of the reinforcing plate, and cooperates with the positioning protrusion 504 located on the upper part of the reinforcing plate, so that the reinforcing plate is not easy to tilt and shake.

[0026] Furthermore, the reinforcing plate includes an inner reinforcing plate 501 and an outer reinforcing plate 502. The inner reinforcing plate 501 and the outer reinforcing plate 502 are grouped in pairs and are relatively arranged on the inner and outer sides of the beam, so that the strength of the connection between the motor 3 and the beam is higher and the beam is not easily deformed; the inner reinforcing plate 501 and the outer reinforcing plate 502 have the same shape, and the length of the inner reinforcing plate 501 is shorter than that of the outer reinforcing plate 502. The lower part of the inner reinforcing plate 501 is reserved for the installation position of the connecting seat 503.

[0027] Two positioning holes are provided in the vertical direction on the beam corresponding to each group of reinforcing plates, namely an upper positioning hole 6 located at the upper part of the beam and a lower positioning hole 7 located at the lower part of the beam. The upper positioning hole 6 is used to position the outer reinforcing plate 502, and the lower positioning hole 7 is used to position the inner reinforcing plate 501; the two positioning holes are in the same straight line in the vertical direction. After the positioning protrusions 504 on the inner reinforcing plate 501 and the outer reinforcing plate 502 are respectively inserted into the positioning holes, it can ensure that the inner reinforcing plate 501 and the outer reinforcing plate 502 are aligned on the inner and outer sides of the beam to avoid offset due to errors, thereby affecting the strength; on the side where the outer reinforcing plate 502 is connected to the beam, at the relative position of the lower positioning hole 7, an avoidance opening 505 for avoiding the positioning protrusion 504 is provided; on the side where the inner reinforcing plate 501 is connected to the beam, at the relative position of the upper positioning hole 6, an avoidance opening 505 for avoiding the positioning protrusion 504 is provided to avoid interference.

[0028] Each fixing bracket 5 is provided with no less than two groups of reinforcing plates, and the bottoms of the two groups of reinforcing plates are fixedly connected by a connecting plate 507, so that the fixing bracket 5 forms a whole, and the fixing bracket 5 has higher strength and a more stable structure.

[0029] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.

Claims

1. A pre-positioned connection structure for a hybrid vehicle motor fixing bracket and a beam, comprising a left beam (1) and a right beam (2) arranged opposite to each other, wherein a motor (3) and a gearbox (4) are fixedly mounted between the left beam (1) and the right beam (2), and characterized in that: The left and right sides of the motor (3) are fixedly mounted between the left beam (1) and the right beam (2) via fixing brackets (5), wherein the fixing brackets (5) comprise a reinforcing plate fixedly mounted on the side of the beam, wherein a connecting seat (503) is fixedly connected to the reinforcing plate, and the connecting seat (503) is fixedly connected to the motor (3); the side edge of the reinforcing plate connected to the beam protrudes outward to form a positioning protrusion (504), and a positioning hole for inserting the positioning protrusion (504) is provided at a corresponding position on the beam.

2. The pre-positioning connection structure between the hybrid vehicle motor fixing bracket and the beam according to claim 1, characterized in that: The reinforcing plate comprises an inner reinforcing plate (501) and an outer reinforcing plate (502), wherein the inner reinforcing plate (501) and the outer reinforcing plate (502) form a group of two and are arranged on the inner side and the outer side of the beam opposite to each other.

3. The pre-positioned connection structure between the hybrid vehicle motor fixing bracket and the beam as claimed in claim 2, characterized in that: The positioning holes are through holes. Two positioning holes are provided in the vertical direction on the beam corresponding to each group of reinforcing plates, namely an upper positioning hole (6) located at the upper part of the beam and a lower positioning hole (7) located at the lower part of the beam. The upper positioning hole (6) is used to position the outer reinforcing plate (502), and the lower positioning hole (7) is used to position the inner reinforcing plate (501).

4. The pre-positioned connection structure between the hybrid vehicle motor fixing bracket and the beam as claimed in claim 3, characterized in that: On the side where the outer reinforcing plate (502) is connected to the beam, it is located at a position relative to the lower positioning hole (7), and is provided with an avoidance opening (505) for avoiding the positioning protrusion (504); on the side where the inner reinforcing plate (501) is connected to the beam, it is located at a position relative to the upper positioning hole (6), and is provided with an avoidance opening (505) for avoiding the positioning protrusion (504).

5. The pre-positioned connection structure between the hybrid vehicle motor fixing bracket and the beam according to claim 1, characterized in that: The left beam (1) and the right beam (2) both include a vertically arranged straight plate and wing plates vertically arranged at the upper and lower ends of the straight plate; the reinforcing plate is located at the wing plates of the beam and is provided with an avoidance groove (506) for avoiding the wing plates.

6. The pre-positioned connection structure between the hybrid vehicle motor fixing bracket and the beam according to claim 1, characterized in that: The number of fixed brackets (5) on each beam is no less than two groups and arranged along the length direction of the beam.

7. The pre-positioned connection structure between the hybrid vehicle motor fixing bracket and the beam according to claim 1, characterized in that: Each fixed bracket (5) is provided with no less than two groups of reinforcing plates, and the bottoms of the two groups of reinforcing plates are fixedly connected via a connecting plate (507).

Images