CN219532327U

CN219532327U - Automobile chassis dynamometer

Info

Publication number: CN219532327U
Application number: CN202320634790.3U
Authority: CN
Inventors: 赵宁; 朱坤; 张淼; 马瑞亮
Original assignee: Henan Vocational College of Agriculture
Current assignee: Henan Vocational College of Agriculture
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-15
Anticipated expiration: 2033-03-28

Abstract

The utility model relates to the technical field of vehicle detection and discloses an automobile chassis dynamometer, which comprises a dynamometer body, wherein the dynamometer body comprises a movable frame and a positioning frame which can relatively move, the bottom of the positioning frame is provided with an adjusting device, the adjusting device comprises a main motor and a transmission plate, a main bidirectional threaded rod is fixed on an output shaft of the main motor, and a transmission mechanism is arranged on the main bidirectional threaded rod; according to the utility model, the main motor drives the main bidirectional threaded rod to rotate, and the main bidirectional threaded rod is matched with the movable ring to drive the propelling plate to move, so that the propelling plate drives the fixed plate to drive the transmission plate to move, and the distance between the movable frame and the positioning frame is adjusted, so that the front wheel and the rear wheel of the vehicle can be accurately positioned right above the test roller, and therefore, the automobile chassis dynamometer can be suitable for automobile detection with different wheelbases, the practicability of the automobile chassis dynamometer is improved, the accuracy of automobile detection is improved, and the automobile chassis dynamometer is convenient to maintain quickly.

Description

Automobile chassis dynamometer

Technical Field

The utility model relates to the technical field of vehicle detection, in particular to an automobile chassis dynamometer.

Background

With the continuous increase of intelligent equipment and diversified functions of an automobile, the fault diagnosis and fault processing difficulty of the automobile is gradually increased, so that when the automobile is maintained, the output power of an automobile chassis is often evaluated and detected by an automobile chassis dynamometer in order to shorten the fault maintenance processing time, thereby effectively collecting and analyzing the fault information of the automobile chassis, providing a data basis for subsequent detection and maintenance work and facilitating the rapid maintenance of the automobile.

However, the existing automobile chassis dynamometer is generally fixed underground, and when automobiles with different wheelbases are detected, the distance between rollers of the dynamometer is difficult to adjust, so that the automobile chassis dynamometer cannot be suitable for automobile detection with different wheelbases, and therefore power detection on automobile chassis with different wheelbases is difficult to accurately detect, and detection accuracy is reduced.

Disclosure of Invention

The utility model provides an automobile chassis dynamometer, which aims to solve the problem that the existing automobile chassis dynamometer cannot be adjusted according to the wheelbase of an automobile, so that automobiles with different wheelbases are difficult to accurately detect.

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

the utility model provides an auto chassis dynamometer, includes the dynamometer body, the dynamometer body is including but relative movement's removal frame and locating rack, and the bottom of locating rack is provided with adjusting device, and adjusting device includes main motor and drive plate, is fixed with main two-way threaded rod on the output shaft of main motor, installs drive mechanism on the main two-way threaded rod, drive mechanism is connected main two-way threaded rod and drive plate, and the drive plate is installed in the bottom of removing the frame, and main motor passes through the drive mechanism drives when drive plate reciprocating motion, make remove frame and locating rack are close to each other or keep away from.

In one possible implementation manner, the transmission mechanism comprises a fixed plate fixedly connected with the transmission plate, both ends of the fixed plate are provided with rotatable propelling plates, one end of each propelling plate is provided with a rotatable moving ring, and the moving ring is sleeved on the main bidirectional threaded rod. The inner wall of the movable ring is provided with threads matched with the main bidirectional threaded rod.

In one possible implementation manner, an auxiliary motor is fixed at the bottom of the movable frame, an auxiliary bidirectional threaded rod is mounted on an output shaft of the auxiliary motor, hydraulic rods are screwed at two ends of the auxiliary bidirectional threaded rod, and clamping plates are fixed on piston rods of the hydraulic rods. The cardboard is located the recess top, and has the clearance that is convenient for the hydraulic stem to remove between two stopper.

In one possible implementation manner, one end of the movable frame is provided with an inward concave groove part, one end of the positioning frame extends outwards to form an extension part, the extension part is matched with the groove part in an up-down staggered manner, and the extension part and the groove part are provided with a sliding groove and a sliding plate. The sliding groove and the sliding plate on the groove part are respectively in sliding fit with the sliding plate and the sliding groove on the extension part, so that the extension part and the groove part are limited, and the telescopic adjustment between the movable frame and the positioning frame is ensured.

In one possible implementation manner, the groove part and the extension part are respectively provided with a through groove, and two sides of the inner wall of the groove are respectively fixed with a limiting block.

In one possible implementation, both ends of the movable frame and the positioning frame are provided with a slope body which is convenient for a vehicle to travel onto the dynamometer body.

In the technical scheme, the utility model has the technical effects and advantages that:

(1) The main motor drives the main bidirectional threaded rod to rotate, the main bidirectional threaded rod is matched with the movable ring to drive the propelling plate to move, so that the propelling plate drives the fixed plate to drive the transmission plate to move, the transmission plate drives the movable frame to be separated from the positioning frame, and the rollers of the movable frame move to the positions of two wheels in front of a vehicle, so that the front wheels and the rear wheels of the vehicle can be accurately positioned right above the test rollers by adjusting the distance between the movable frame and the positioning frame, the automobile chassis dynamometer can be suitable for automobile detection with different wheelbases, the practicability of the automobile chassis dynamometer is improved, the accuracy of automobile detection is improved, and the automobile is convenient to maintain quickly;

(2) The clamping plate is pushed to be located outside the groove through the hydraulic rod, the auxiliary motor drives the auxiliary bidirectional threaded rod to move along the gap of the limiting block through the matching of the hydraulic rod and the auxiliary bidirectional threaded rod, the hydraulic rod drives the clamping plate to move to two sides of the vehicle chassis, so that the vehicle is fixed, the phenomenon that the vehicle rushes out of the dynamometer body when the roller is locked due to faults can be avoided, potential safety hazards are greatly reduced, and safety operation of automobile detection is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the adjustment device of FIG. 1 according to the present utility model;

fig. 3 is a schematic view of the structure of the stopper in fig. 2 according to the present utility model.

In the figure: 1. a moving rack; 2. a positioning frame; 3. a slope body; 4. an adjusting device; 401. a main motor; 402. a main bidirectional threaded rod; 403. a moving ring; 404. a propulsion plate; 405. a fixing plate; 406. a drive plate; 407. an auxiliary motor; 408. an auxiliary bidirectional threaded rod; 409. a hydraulic rod; 410. a clamping plate; 411. a limiting block; 412. and (3) a sliding plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

The technical scheme in the embodiment of the utility model aims to solve the problems, and the overall thought is as follows:

example 1

As shown in fig. 1-3, an automobile chassis dynamometer comprises a dynamometer body, wherein the dynamometer body comprises a movable frame 1 and a positioning frame 2 which can move relatively, an adjusting device 4 is arranged at the bottom of the positioning frame 2, the adjusting device 4 comprises a main motor 401 and a transmission plate 406, a main bidirectional threaded rod 402 is fixed on an output shaft of the main motor 401, a transmission mechanism is arranged on the main bidirectional threaded rod 402, the transmission mechanism connects the main bidirectional threaded rod 402 with the transmission plate 406, the transmission plate 406 is arranged at the bottom of the movable frame 1, and when the main motor 401 drives the transmission plate 406 to reciprocate through the transmission mechanism, the movable frame 1 and the positioning frame 2 are enabled to be close to or far away from each other.

In some examples, the transmission mechanism includes a fixed plate 405 fixedly connected with a transmission plate 406, two ends of the fixed plate 405 are provided with rotatable pushing plates 404, one end of each pushing plate 404 is provided with a rotatable moving ring 403, and the moving ring 403 is sleeved on the main bidirectional threaded rod 402. The inner wall of the movable ring 403 is provided with threads matched with the main bidirectional threaded rod 402

In some examples, both ends of the mobile carriage 1 and the positioning carriage 2 are fitted with a ramp 3 that facilitates the running of the vehicle onto the dynamometer body.

By adopting the technical scheme: firstly, a vehicle runs onto a dynamometer body through a slope 3, two wheels at the rear of the vehicle are moved to the idler wheels of a positioning frame 2, a main motor 401 is started, the main motor 401 drives a main bidirectional threaded rod 402 to rotate, the main bidirectional threaded rod 402 and a moving ring 403 are matched to drive a pushing plate 404 to move, the pushing plate 404 pushes a fixed plate 405 to drive a transmission plate 406 to move, so that the transmission plate 406 pushes the moving frame 1 to move, the idler wheels of the moving frame 1 are moved to the two wheels at the front of the vehicle, the vehicle is positioned, telescopic adjustment between the moving frame 1 and the positioning frame 2 is achieved, and then the vehicle is detected through the dynamometer body, so that the vehicles with different wheelbases are detected, and convenience and quickness are achieved.

Example 2

On the basis of embodiment 1, as shown in fig. 2-3, in the specific structure of this embodiment, an auxiliary motor 407 is fixed at the bottom of the moving frame 1, an auxiliary bidirectional threaded rod 408 is mounted on the output shaft of the auxiliary motor 407, two ends of the auxiliary bidirectional threaded rod 408 are both screwed with a hydraulic rod 409, and a clamping plate 410 is fixed on the piston rod of the hydraulic rod 409. The clamping plate 410 is located above the groove, and a gap for facilitating movement of the hydraulic rod 409 is formed between the two limiting blocks 411.

In some examples, one end of the moving frame 1 is provided with a groove part which is recessed inwards, one end of the positioning frame 2 extends outwards to form an extension part, the extension part is matched with the groove part in an up-down staggered way, and the extension part and the groove part are provided with a sliding groove and a sliding plate 412. The sliding groove and the sliding plate 412 on the groove part are respectively in sliding fit with the sliding plate 412 and the sliding groove on the extension part, so that the extension part and the groove part are limited, and the telescopic adjustment between the movable frame 1 and the positioning frame 2 is ensured.

In some examples, the groove and the extension part are provided with through grooves, and limiting blocks 411 are fixed on two sides of the inner wall of each groove.

By adopting the technical scheme: when the vehicle moves to the position right above the dynamometer body, after the distance between the movable frame 1 and the positioning frame 2 is adjusted, the clamping plate 410 is pushed to be located outside the groove through the hydraulic rod 409, the auxiliary motor 407 is opened, the auxiliary motor 407 drives the auxiliary bidirectional threaded rod 408 to be matched with the hydraulic rod 409 to drive the hydraulic rod 409 to move along the gap of the limiting block 411, the hydraulic rod 409 drives the clamping plate 410 to move to two sides of the vehicle chassis, the vehicle is fixed through the clamping plate 410, and the vehicle can be prevented from rushing out of the dynamometer body when the roller is locked due to faults, so that potential safety hazards are reduced.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides an automobile chassis dynamometer, includes dynamometer body, its characterized in that: the dynamometer body includes movable frame (1) and locating rack (2) that can relative movement, and the bottom of locating rack (2) is provided with adjusting device (4), and adjusting device (4) are fixed with main two-way threaded rod (402) on the output shaft of main motor (401) including main motor (401) and drive plate (406), install drive mechanism on main two-way threaded rod (402), drive mechanism is connected main two-way threaded rod (402) and drive plate (406), and drive plate (406) are installed in the bottom of movable frame (1), and main motor (401) are passed through the drive mechanism drive when drive plate (406) reciprocating motion, make movable frame (1) and locating rack (2) are close to each other or keep away from.

2. An automobile chassis dynamometer according to claim 1, wherein: the transmission mechanism comprises a fixed plate (405) fixedly connected with a transmission plate (406), both ends of the fixed plate (405) are provided with rotatable propelling plates (404), one end of each propelling plate (404) is provided with a rotatable moving ring (403), and the moving rings (403) are sleeved on the main bidirectional threaded rod (402).

3. An automobile chassis dynamometer according to claim 1, wherein: the bottom of movable frame (1) is fixed with vice motor (407), installs vice bi-directional threaded rod (408) on the output shaft of vice motor (407), and the both ends spiro union of vice bi-directional threaded rod (408) has hydraulic rod (409), is fixed with cardboard (410) on the piston rod of hydraulic rod (409).

4. An automobile chassis dynamometer according to claim 1, wherein: one end of the movable frame (1) is provided with an inwards concave groove part, one end of the positioning frame (2) outwards extends to form an extension part, the extension part is matched with the groove part in an up-down staggered mode, and the extension part and the groove part are provided with a sliding groove and a sliding plate (412).

5. The automobile chassis dynamometer of claim 4, wherein: the groove part and the extension part are respectively provided with a through groove, and limiting blocks (411) are respectively fixed on two sides of the inner wall of the groove.

6. An automobile chassis dynamometer according to claim 1, wherein: both ends of the movable frame (1) and the positioning frame (2) are provided with a slope body (3) which is convenient for a vehicle to travel to the dynamometer body.