CN218725356U - Variable-wheelbase synchronous transmission device - Google Patents

Abstract

The utility model discloses a become wheel base synchronous transmission, include: the movable shaft, the floating shaft, the fixed shaft, the shaft plate assembly, the belt wheel and the belt; the movable shaft is arranged on the movable table body and moves back and forth along with the table body to adjust the wheel base; the floating shaft is positioned between the moving shaft and the fixed shaft and is in a suspension state, two sides of the floating shaft are respectively and rigidly connected with the moving shaft and the fixed shaft through the shaft plate assembly, and when the moving shaft moves forwards and backwards, the floating shaft can float up and down to adapt to position change; the shaft plate assembly is used for connecting the floating shaft with the moving shaft and connecting the floating shaft with the fixed shaft to keep the size of a wheel base and can perform tensioning adjustment on the belt. The novel automobile performance simulation device can better simulate the driving effect of an automobile on a road surface and provides theoretical support for automobile performance judgment; meanwhile, due to the adoption of a flexible transmission mode, the normal work of a transmission system is not influenced when the wheel base is changed, the requirement on the performance of equipment is met, and the device can adapt to the simultaneous on-line detection of the double shafts of the vehicles with different wheel bases.

Description

Variable-wheelbase synchronous transmission device

Technical Field

The utility model relates to an equipment field for the car performance detection especially relates to a become wheel base synchronous transmission.

Background

At present, performance detection equipment used on an automobile detection line and an automobile host factory detection line is known to be single-shaft detection equipment, and the single-shaft equipment can only detect the performance of a front-drive or rear-drive engine and cannot simultaneously detect double shafts.

Single axle test devices currently simulate the operation of a vehicle on a road surface and use dual rollers to support the wheels for rotation on the rollers. And when in detection, the driving wheel drives into the double rollers to carry out the test. The detection method has the defect that the influence of non-driving wheels is ignored during simulation, and the measurement result is not comprehensive and real.

In order to solve the above-mentioned drawbacks, it is necessary to improve the measurement method so that the car truly and completely simulates the effect of driving on the road. Therefore, it is necessary to provide a device that can simulate the effect of traveling on a road surface by allowing the front and rear wheels of the vehicle to run on the drum simultaneously. The device not only has all functions of a single-shaft detection device, but also needs to be capable of synchronously operating front and rear wheels simultaneously, and is also suitable for detecting that vehicles with different wheel bases can operate on the roller, so that a new flexible transmission mode is needed to solve the problem, and the new transmission mode is urgently needed to be applied and popularized.

SUMMERY OF THE UTILITY MODEL

To the above technical problem, the utility model provides a become wheel base synchronous transmission.

In order to achieve the above object, the present invention provides the following technical solutions:

a variable wheelbase synchronous drive comprising: the movable shaft, the floating shaft, the fixed shaft, the shaft plate assembly, the belt wheel and the belt; the movable shaft is arranged on the movable table body and moves back and forth along with the table body to adjust the wheel base; the floating shaft is positioned between the moving shaft and the fixed shaft and is in a suspension state, two sides of the floating shaft are respectively and rigidly connected with the moving shaft and the fixed shaft through the shaft plate assembly, and when the moving shaft moves forwards and backwards, the floating shaft can float up and down to adapt to position change; the fixed shaft is fixed; the shaft plate assembly is used for connecting the floating shaft and the moving shaft, and the floating shaft and the fixed shaft to keep the size of a wheel base and can perform tensioning adjustment on the belt; the movable shaft, the floating shaft and the fixed shaft are respectively provided with belt wheels, and the two belt wheels are driven by a belt.

Furthermore, the shaft plate assembly comprises an inner shaft plate, an outer shaft plate and a tensioner, wherein the inner shaft plate is sleeved on the inner side of the outer shaft plate and extends and retracts through the tensioner.

Furthermore, the tensioner comprises a fixed seat, a screw rod and a push block, the fixed seat is fixed on the inner wall of the outer shaft plate, the screw rod penetrates through a screw hole in the fixed seat to be connected with the push block, and the push block is fixed on the inner shaft plate.

Further, the belt is a V-belt.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a variable wheel base synchronous transmission device, through the cooperation of removal axle, floating axle, fixed axle, axletree board subassembly, band pulley and belt, realize the synchronous operation of car front and back axle, can directly detect four wheels of biax, the vehicle is when detecting on line like this, and the four-wheel can all be operated on the cylinder, simulates the effect that the car went on the road surface better, various parameters when can be better measuring the operation provide theoretical support for the car performance judgement; and secondly, due to the adoption of the flexible transmission device, the normal work of a transmission system is not influenced when the wheel base is changed, and the requirement on the performance of equipment is met. In a word, the device can be suitable for vehicle double-shaft simultaneous on-line detection with different wheelbases.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a perspective view of a variable-wheelbase synchronous transmission device provided by an embodiment of the present invention.

Fig. 2 is a top view of the variable wheel base synchronous transmission device provided by the embodiment of the present invention.

Fig. 3 is a transmission schematic diagram of the initial position of the variable-wheelbase synchronous transmission device provided by the embodiment of the present invention.

Fig. 4 is a transmission schematic diagram of the moving position of the variable-wheelbase synchronous transmission device provided by the embodiment of the present invention.

Description of reference numerals:

1-moving shaft, 2-floating shaft, 3-fixed shaft, 4-belt wheel, 5-belt, 6-inner shaft plate, 7-outer shaft plate, 8-fixed seat, 9-screw rod and 10-push block.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1-2, the utility model provides a variable wheel base synchronous transmission device, include: the movable shaft 1, the floating shaft 2, the fixed shaft 3, the shaft plate assembly, the belt wheel 4 and the belt 5. The moving shaft 1, the floating shaft 2 and the fixed shaft 3 are respectively provided with belt wheels, and the two belt wheels are driven by a belt. In order to facilitate transmission and increase friction force, in a preferred embodiment, the belt is a V belt.

The movable shaft 1 is arranged on the movable table body and moves back and forth along with the table body to adjust the wheel base; specifically, the belt wheel of the moving shaft 1 is connected with the roller shaft of the moving table body through belt transmission to realize transmission.

The fixed shaft 3 is fixed; when the wheel base is changed, the wheel base is still, and the function of supporting parts of a front shafting is achieved. One end of the belt wheel of the fixed shaft 3 and the roller shaft of the fixed unit realize transmission movement through belt transmission. Thus, the rollers are arranged at the two ends, the variable-wheelbase synchronous transmission device is arranged in the middle, and the whole transmission system is built. No matter which roller of the movable unit or the fixed unit operates, the roller of the other end can be driven to synchronously operate through the variable-wheel-base transmission device in the middle, and the purpose of the utility model, variable-wheel-base synchronous transmission, is realized.

The floating shaft 2 is positioned between the moving shaft 1 and the fixed shaft 3, is not supported by a bearing seat and is in a suspension state, two sides of the floating shaft 2 are respectively and rigidly connected with the moving shaft 1 and the fixed shaft 3 through shaft plate components, and when the moving shaft 1 moves forwards and backwards, the floating shaft 2 can float up and down to adapt to position change.

The axle plate assembly is used for connecting the floating shaft 2 with the moving shaft 1, the floating shaft 2 with the fixed shaft 3 to keep the axle base size, and can be used for tensioning and adjusting the triangular belt. Specifically, the shaft plate assembly comprises an inner shaft plate 6, an outer shaft plate 7 and a tensioner, wherein the inner shaft plate 6 is sleeved on the inner side of the outer shaft plate 7 and extends and retracts through the tensioner. The tensioner comprises a fixed seat 8, a screw rod 9 and a push block 10, wherein the fixed seat 8 is fixed on the inner wall of the outer shaft plate 7, the screw rod 9 penetrates through a screw hole in the fixed seat 8 to be connected with the push block 10, and the push block 10 is fixed on the inner shaft plate 6. The tensioner is used for adjusting the connection length and size of the inner shaft plate and the outer shaft plate, the inner shaft plate 6 extends outwards to tension the V-belt, and the inner shaft plate shortens inwards to replace the V-belt.

The utility model discloses a become wheel base synchronous transmission initial position as shown in figure 3, floating shaft 2 and fixed 3 axle lieing in horizontal position. The moving position of the variable-wheelbase synchronous transmission device is shown in fig. 4, when the moving shaft 1 moves forwards by a distance L, the floating shaft 2 moves forwards and moves downwards, in the whole process, the distances between the floating shaft 2 and the moving shaft 1 and between the floating shaft 2 and the fixed shaft 3 are always kept unchanged, and only the distance between the moving shaft 1 and the fixed shaft 3 is changed to shorten the distance L, namely the wheelbase is changed, namely the effect of changing the corresponding equipment on the vehicle model is represented. At this time, the transmission relationship between the movable shaft 1 and the floating shaft 2 and between the floating shaft 2 and the fixed shaft 3 is not changed, the synchronous operation is still kept, and the variable-wheelbase transmission is realized.

The working process of the utility model is as follows:

in the normal working cycle of the equipment, when the system collects that the system needs to move forwards, the device can complete the function, at the moment, the moving shaft moves forwards along with the moving unit, the locking is realized after the moving shaft is in place, four wheels on the line of the vehicle simultaneously enter the front roller and the rear roller, and the transmission system can be driven to link with the other shaft as long as one shaft rotates, namely the synchronous operation of the front shaft and the rear shaft is realized. It is to be noted that the moving shaft transmits motion to the rear shaft drum and the fixed shaft transmits motion to the front shaft drum. And this configuration can be accommodated regardless of the wheelbase of the vehicle. The utility model discloses a become wheel base synchronous transmission device can realize multiple motorcycle type biax synchronous operation and detect the demand. The whole process is automatically completed under the control of the PLC.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments, but such modifications or substitutions do not depart from the spirit and scope of the present invention.

Claims (4)

1. A variable wheelbase synchronous drive comprising: the movable shaft, the floating shaft, the fixed shaft, the shaft plate assembly, the belt wheel and the belt; the movable shaft is arranged on the movable table body and moves back and forth along with the table body to adjust the wheel base; the floating shaft is positioned between the moving shaft and the fixed shaft and is in a suspension state, two sides of the floating shaft are respectively and rigidly connected with the moving shaft and the fixed shaft through the shaft plate assembly, and when the moving shaft moves forwards and backwards, the floating shaft can float up and down to adapt to position change; the fixed shaft is fixed; the shaft plate assembly is used for connecting the floating shaft with the moving shaft, and connecting the floating shaft with the fixed shaft to keep the size of the wheelbase and can perform tensioning adjustment on the belt; the movable shaft, the floating shaft and the fixed shaft are respectively provided with belt wheels, and the two belt wheels are driven by a belt.

2. The variable-wheelbase synchronous transmission device as claimed in claim 1, wherein the axle plate assembly comprises an inner axle plate, an outer axle plate and a tensioner, and the inner axle plate is sleeved on the inner side of the outer axle plate and is extended and retracted through the tensioner.

3. The variable-wheelbase synchronous transmission device as claimed in claim 2, wherein the tensioner comprises a fixed seat, a screw rod and a push block, the fixed seat is fixed on the inner wall of the outer axle plate, the screw rod passes through a screw hole on the fixed seat and is connected with the push block, and the push block is fixed on the inner axle plate.

4. The variable wheelbase synchronous drive of claim 1, wherein the belt is a v-belt.

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