Plate spring suspension of trailing arm gearbox

Abstract

The utility model discloses a trailing arm gear box plate spring suspension which comprises a device body, and the device body comprises a trailing arm gear box, a first hinge seat, a second hinge seat, a driving motor and a driving wheel. The first hinge seat is installed on the front side of the left end of the dragging arm gearbox, the second hinge seat is installed on the front side of the right end of the dragging arm gearbox, the driving motor is installed on the first hinge seat, the driving end of the driving motor is connected with the input end of the dragging arm gearbox, and the driving wheel is installed on the rear side of the left end of the dragging arm gearbox. The driving end of the driving wheel is connected with the output end of the dragging arm gear box; the first hinge seat and the second hinge seat are both of a T-shaped structure, each of the first hinge seat and the second hinge seat comprises a lower seat plate and a top supporting plate, the lower seat plates are located at the bottoms of the top supporting plates, and a group of locking holes which are symmetrically distributed are formed in the tops of the top supporting plates. According to the device, the stability and the structural strength after the suspension and the transmission mechanism are installed can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear box plate spring suspension technical field, concretely is a kind of tow arm gear box plate spring suspension. BACKGROUND

[0002] Intelligent automobile is necessary in its research and development stage and before mass production, relevant unmanned driving test and experiment, but also impossible in actual road related test work. This needs to build real traffic scene in closed test site, utilize various test equipment and relevant traffic object simulation body, to carry out relevant unmanned driving test and experiment, to obtain a large amount of test data for research and development, mobile panel is one of the test equipment, in actual test, mainly used for carrying various traffic object simulation body, to build and simulate various traffic scenes and traffic behavior.

[0003] The existing tow arm gear box plate spring suspension has the following defects:

[0004] The existing tow arm gear box plate spring suspension has the following defects:

[0005] Therefore, a solution is needed. UTILITY MODEL CONTENTS

[0006] (I) technical problem solved

[0007] In view of the deficiencies of the prior art, the utility model provides a tow arm gear box plate spring suspension to solve the problems in the above background art.

[0008] (II) technical scheme

[0009] To achieve the above purpose, the utility model is realized by the following technical scheme: a tow arm gear box plate spring suspension, comprising a device body, the device body comprises a tow arm gear box, a first hinged seat, a second hinged seat, a driving motor and a driving wheel; the first hinged seat is installed on the left end front side of tow arm gear box, the second hinged seat is installed on the right end front side of tow arm gear box, the driving motor is installed on the first hinged seat, the driving motor driving end is connected with the input end of tow arm gear box, the driving wheel is installed on the left end rear side of tow arm gear box, the driving wheel driving end is connected with the output end of tow arm gear box; the first hinged seat and the second hinged seat are both T-shaped structure, the first hinged seat and the second hinged seat both include lower seat plate and top support plate, the lower seat plate and the top support plate are both rectangular structure, the lower seat plate is located at the bottom of top support plate, a group of locking holes are arranged on the top of top support plate in symmetrical mode.

[0010] Preferably, the drag arm gear box comprises a gear box shell and a gear box sealing cover, both of which are long groove structures, the gear box shell is externally provided with a plurality of groups of threaded connection barrels, the gear box sealing cover is internally provided with a plurality of groups of locking groove holes, the gear box shell is internally hollow, and the gear box shell is internally provided with an output shaft, a gear set and a hinge shaft and a bearing.

[0011] Preferably, the top of the gear box shell is in an arc shape structure, the gear box shell top is provided with a leaf spring, the leaf spring is in an elliptical structure, the bottom of the leaf spring is in an arc shape structure, and the inside of the leaf spring is hollow.

[0012] (Three) beneficial effects

[0013] The utility model provides a kind of drag arm gear box leaf spring suspension.It has the following beneficial effects:

[0014] The drag arm gear box leaf spring suspension in the present application effectively improves the stability and structural strength of the suspension after installation of transmission mechanism, prevents the overall from shaking and breaking, and integrates the gear set and other transmission parts into the swing arm of the drag arm suspension, integrates power transmission and suspension function, and is simple and reliable in structure, greatly saves space and improves the stiffness of the suspension, and solves the problems of suspension and transmission system design and arrangement under the premise of low height size and internal space shortage.

[0015] The suspension includes a gear transmission mechanism and an internal gear set, which can flexibly design gear ratios of different levels according to power parameters, required output speed and output torque of different models of driving motors, and uses double gears inside, i.e., two gears on the same shaft, to maximize the use of limited space to arrange more gears, so as to achieve higher transmission ratio, expand the design range of gear ratio, and improve the adaptability of the suspension.

[0016] The suspension is a drag arm type suspension, the hinge seat is fixed on the mobile platform body and acts as a subframe in the traditional suspension, and the drag arm gear box acts as a drag arm, bearings are arranged between the two hinge seats and the hinge shaft on the drag arm gear box, so that the drag arm gear box can rotate around the hinge shaft, thereby meeting the requirements of the suspension for the up-and-down movement of the wheels, and the elliptical leaf spring fixed on the upper part of the drag arm gear box can be matched with different stiffness according to specific load requirements to better support the entire suspension. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structural schematic diagram of the utility model as a whole.

[0018] Fig. 2 It is the whole internal structure schematic view of the utility model.

[0019] In the figure, 1, device body; 2, tow arm gear box; 3, first hinged seat; 4, second hinged seat; 5, drive motor; 6, drive wheel; 7, gear box shell; 8, gear box sealing cover; 9, lower seat plate; 10, top support plate; 11, output shaft; 12, gear set; 13, hinge shaft; 14, bearing; 15, threaded connection cylinder; 16, locking groove hole; 17, locking hole; 18, leaf spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figs. 1-2 The embodiment of the utility model provides a technical scheme:

[0022] EMBODIMENT

[0023] For the above problems to be solved: the existing tow arm gear box leaf spring suspension is insufficient in stability and reliability of suspension and transmission mechanism under limited height size, which easily leads to overall shaking and fracture.

[0024] The solution is as follows: a kind of tow arm gear box plate spring suspension, including device body 1, the device body 1 includes tow arm gear box 2, first hinged seat 3, second hinged seat 4, drive motor 5 and drive wheel 6;The first hinged seat 3 is installed in tow arm gear box 2 left end front side, the second hinged seat 4 is installed in tow arm gear box 2 right end front side, the drive motor 5 is installed on the first hinged seat 3, the drive end of the drive motor 5 is connected with the input end of tow arm gear box 2, the drive wheel 6 is installed in tow arm gear box 2 left end rear side, the drive end of the drive wheel 6 is connected with the output end of tow arm gear box 2;The first hinged seat 3 and second hinged seat 4 are all T-shaped structure, the first hinged seat 3 and second hinged seat 4 all include lower seat plate 9 and top support plate 10, the lower seat plate 9 and top support plate 10 are all rectangular structure, the lower seat plate 9 is located at the bottom of top support plate 10, a group of locking holes 17 are formed in the top of top support plate 10 in symmetrical distribution, when using, staff will first hinged seat 3, second hinged seat 4 top is attached to the frame, then staff will bolt insert into the locking hole 17 of first hinged seat 3, second hinged seat 4, then the device body 1 is fixed on the test platform bottom by bolt, when driving, drive motor 5 drives the input end of tow arm gear box 2 through drive shaft, then tow arm gear box 2 output end drives drive wheel 5 to rotate, to achieve the purpose of operation.

[0025] The tow arm gear box 2 includes gear box shell 7 and gear box sealing cover 8, the gear box shell 7 and gear box sealing cover 8 are all long groove structure, the gear box shell 7 is provided with a plurality of groups of threaded connection barrels 15 outside, the gear box sealing cover 8 is provided with a plurality of groups of locking groove holes 16 on the surface, the gear box shell 7 is hollow inside, the gear box shell 7 is provided with output shaft 11, gear set 12 and hinge shaft 13, bearing respectively, the bearing 14 is installed on the hinge shaft 13, when disassembling the tow arm gear box 2, staff can disassemble the locking bolt in the locking groove hole 16 on the surface of the gear box sealing cover 8, so as to disassemble and separate the gear box shell 7 and the gear box sealing cover 8, then maintain the components in the gear box 7.

[0026] The top of the gear box shell 7 is arc-shaped structure, the gear box shell 7 is provided with plate spring 18 on the top, the plate spring 18 is oval structure, the bottom of the plate spring 18 is arc-shaped structure, the inside of the plate spring 18 is hollow structure, the plate spring 18 on the gear box shell 7 can effectively bear the vertical load to make all the steel plate springs deform under stress.

[0027] Working principle: when working, the worker sticks the first hinged seat 3 and the top of the second hinged seat 4 to the frame, then the worker inserts the bolt into the locking hole 17 of the first hinged seat 3 and the second hinged seat 4, then the device body 1 is fixed on the bottom of the test platform through the bolt, when driving, the driving motor 5 drives the input end of the drag arm gear box 2 through the driving shaft, then the output end of the drag arm gear box 2 drives the driving wheel 5 to rotate, so as to achieve the purpose of operation.

[0028] The utility model discloses 1, device body, 2, drag arm gear box, 3, first hinged seat, 4, second hinged seat, 5, driving motor, 6, driving wheel, 7, gear box shell, 8, gear box sealing cover, 9, lower seat board, 10, top support board, 11, output shaft, 12, gear group, 13, hinge shaft, 14, bearing, 15, threaded connection cylinder, 16, locking groove hole, 17, locking hole, 18, plate spring, the component is all general standard parts or the component that the person skilled in the art knows, and the structure and principle are all known to the person skilled in the art through technical manual or known through conventional experimental method, the problem solved by the utility model is that the existing drag arm gear box plate spring suspension is in the limited height size, and the stability of suspension and transmission mechanism is insufficient, and the reliability is insufficient, and the whole shaking, breaking problem is easily led to, the utility model discloses through the intercombination of above -mentioned components, can effectively improve the stability and the strength of structure after the installation of suspension and transmission mechanism, prevent the shaking, breaking of the whole and the condition of breaking.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model, for the person skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

[0030] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, the person skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be combined to form other embodiments that the person skilled in the art can understand.

Claims

1. A trailing arm gear case leaf spring suspension characterized by: Including device body (1), device body (1) includes drag arm gear box (2), first articulated seat (3), second articulated seat (4), drive motor (5) and drive wheel (6); First articulated seat (3) is installed on the left end front side of drag arm gear box (2), second articulated seat (4) is installed on the right end front side of drag arm gear box (2), drive motor (5) is installed on first articulated seat (3), drive end of drive motor (5) is connected with input end of drag arm gear box (2), drive wheel (6) is installed on the left end rear side of drag arm gear box (2), drive end of drive wheel (6) is connected with output end of drag arm gear box (2); First articulated seat (3) and second articulated seat (4) are both T-shaped structure, first articulated seat (3) and second articulated seat (4) both include lower seat plate (9) and top support plate (10), lower seat plate (9) and top support plate (10) are both rectangular structure, lower seat plate (9) is located at the bottom of top support plate (10), a group of locking holes (17) are formed in the top of top support plate (10) in symmetrical distribution.

2. A trailing arm gear case leaf spring suspension according to claim 1 characterised in that: Drag arm gear box (2) includes gear box shell (7) and gear box sealing cover (8), gear box shell (7) and gear box sealing cover (8) are both long groove structure, a plurality of groups of threaded connection barrels (15) are arranged on the outer side of gear box shell (7), a plurality of groups of locking groove holes (16) are formed in the surface of gear box sealing cover (8), the inside of gear box shell (7) is hollow structure, output shaft (11), gear set (12) and hinge shaft (13), bearing (14) are respectively arranged in the inside of gear box shell (7), bearing (14) is installed on hinge shaft (13).

3. A trailing arm gear case leaf spring suspension according to claim 2, characterised in that: The top of gear box shell (7) is arc-shaped structure, plate spring (18) is arranged on the top of gear box shell (7), plate spring (18) is oval structure, the bottom of plate spring (18) is arc-shaped structure, the inside of plate spring (18) is hollow structure.

Images