Automobile chassis dynamometer with protective structure

Abstract

The utility model relates to the technical field of automobile chassis dynamometers, and discloses an automobile chassis dynamometer with a protective structure, comprising a test bench, wherein a first cylinder is fixedly connected to the inner side of the bottom of the test bench, a lifting plate is fixedly connected to the top of the first cylinder, a support frame is fixedly connected to the back of the test bench, an adjustment and protection mechanism is arranged inside the support frame, and an auxiliary testing mechanism is arranged inside the test bench. During use, a second rotating block is rotated to move a limit block, and a sliding rod is moved to facilitate adjustment of the angle of the first rotating block and a limit roller to meet the requirements of chassis of different heights for adjustment and increase applicability. The second cylinder works, the first motor works, and the limit rod works to facilitate adjustment of the limit roller position. The second motor works to rotate the first roller, and the eddy current machine works to facilitate testing of different powers of the vehicle chassis.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile chassis dynamometers, in particular to an automobile chassis dynamometer with a protective structure. Background Art

[0002] Dynamometer, also known as dynamometer, is mainly used to test the power of the engine. It can also be used as a loading device for gearboxes, reducers and transmissions to test their transmission power. It can be mainly divided into hydraulic dynamometer, eddy current dynamometer and electric dynamometer.

[0003] According to the description of an automobile chassis dynamometer disclosed on the patent website (authorization announcement number: CN 217211211 U), "The utility model relates to the field of automobile chassis technology, specifically an automobile chassis dynamometer, including a chassis, a fixing plate is provided at the bottom of the chassis, a detection mechanism is provided inside the chassis, a shock absorbing mechanism is provided inside the fixing plate, and limiting mechanisms are provided at the corners of the chassis surface. The utility model not only greatly reduces the cost of the motor, avoids the phenomenon of shaking during the use of the dynamometer and the occurrence of errors in the detection results, but also avoids the phenomenon of separation of the automobile wheel and the drum during the use of the dynamometer."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, the utility model drives the rotating shaft to rotate under the action of the first coupling, and drives the rotating rod to rotate inside the chassis. Under the action of the rotating rod, the eddy current is driven to rotate, thereby driving the roller to rotate. The eddy current can provide a resistance torque. In actual use, since the device only relies on one rotating shaft to test the vehicle, and the roller size of the device is fixed, it is not possible to limit the wheel of the vehicle during the test, and it is not possible to meet the use of different models of wheels and chassis of different heights. It has certain limitations. Therefore, it is necessary to improve an automobile chassis dynamometer with a protective structure to solve the above problems. Utility Model Content

[0006] The utility model aims to provide an automobile chassis dynamometer with a protective structure to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the utility model provides the following technical solution: an automobile chassis dynamometer with a protective structure, comprising a test bench, a first cylinder is fixedly connected to the inner side of the bottom of the test bench, a lifting plate is fixedly connected to the top of the first cylinder, a support frame is fixedly connected to the back of the test bench, an adjustment and protection mechanism is arranged inside the support frame, and an auxiliary testing mechanism is arranged inside the test bench;

[0008] The adjusting and protecting mechanism comprises an adjusting component and a protecting component. The protecting component is arranged inside the test bench, and the adjusting component is arranged inside the supporting frame.

[0009] Preferably, the adjusting assembly includes a second cylinder, the second cylinder is fixedly connected to the inner side of the support frame, the second cylinder is fixedly connected to a push block at one end away from the support frame, the support frame is slidably connected to a connecting platform inside, the connecting platform is fixedly connected to an end close to the push block with a first motor, the output end of the first motor passes through the connecting platform and extends to the inside where a two-way threaded rod is fixedly connected, the connecting platform is fixedly connected to a limiting rod inside, the limiting rod is slidably connected to a movable block outside, the movable block is rotatably connected to a first rotating block inside, and the first rotating block is rotatably connected to a limiting roller outside, so as to facilitate the adjustment of the position of the limiting roller, meet the limit use of wheels of different widths, and facilitate the parking position of different users, thereby increasing the use effect.

[0010] Preferably, the movable block is threadedly connected to the bidirectional threaded rod, grooves are provided at corresponding positions of the connecting platform and the movable block, and the movable block is slidably connected inside the groove, and the push block is fixedly connected to the connecting platform, so that the limiting process is more stable.

[0011] Preferably, the protection component includes a slider, which is slidably connected inside the test bench, a second rotating block is rotatably connected inside the slider, a limiting block is slidably connected inside the second rotating block, a connecting box is fixedly connected to the back of the second rotating block, a spring is fixedly connected to the connecting box, a clamping block is fixedly connected to one end of the spring away from the connecting box, a sliding rod is fixedly connected to the back of the clamping block, so that the angle of the first rotating block can be adjusted and the rotating angle can be fixed at the same time, and the limiting roller can be used to meet the needs of chassis of different heights for adjustment, thereby increasing applicability.

[0012] Preferably, grooves are provided at corresponding positions of the first rotating block and the limit block, and the limit block is rotatably connected inside the groove, the push block is fixedly connected to the slider, the slide rod is slidably connected to the connecting box, the clamping block is slidably connected to the second rotating block, and the clamping block is in contact with the limit block, so as to make the adjustment process more stable.

[0013] Preferably, the auxiliary testing mechanism includes a support block, which is fixedly connected to the inner side of the bottom of the test bench, a second motor is fixedly connected to the top of the support block, a first roller is fixedly connected to the output end of the second motor, an eddy current machine is fixedly connected to the inside of the test bench, a second roller is rotatably connected to the inside of the eddy current machine, and a belt is connected to the external transmission of the second roller, so as to facilitate testing of different powers of the vehicle chassis.

[0014] Preferably, the belt is drivingly connected to the first roller, the first roller is rotationally connected to the test bench, and the second roller is rotationally connected to the test bench, so as to make the test process more stable.

[0015] Compared with the prior art, the utility model provides an automobile chassis dynamometer with a protective structure, which has the following beneficial effects:

[0016] The automobile chassis dynamometer with a protective structure has an adjustable protective mechanism. During use, the second rotating block is rotated to move the limit block, and the sliding rod is moved in cooperation with the spring to move the clamping block, so that the angle of the first rotating block can be adjusted while the rotating angle can be fixed, and the limit roller can be used to adjust chassis of different heights, thereby increasing applicability. The second cylinder is operated, the first motor is operated, and the limit rod is used to move the movable block, so that the position of the limit roller can be adjusted, so that the limit position of wheels of different widths can be met while facilitating the parking position of different users, thereby increasing the use effect.

[0017] The automobile chassis dynamometer with a protective structure has an auxiliary testing mechanism. During use, the second motor is operated to rotate the first roller, which is coordinated with the belt to rotate the second roller, and the eddy current machine is coordinated to facilitate testing of different powers of the vehicle chassis. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of the adjustment component of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the protective component of the utility model;

[0024] Figure 6 This is a schematic diagram of the internal structure of the protective component of the utility model;

[0025] Figure 7 This is a schematic diagram of the auxiliary testing mechanism structure of the utility model.

[0026] In the figure: 1. test bench; 2. lifting plate; 3. first cylinder; 4. support frame; 5. adjustment and protection mechanism; 51. adjustment component; 511. second cylinder; 512. push block; 513. connecting platform; 514. first motor; 515. bidirectional threaded rod; 516. limit rod; 517. movable block; 518. first rotating block; 519. limit roller; 52. protection component; 521. slider; 522. second rotating block; 523. limit block; 524. connecting box; 525. slide rod; 526. spring; 527. block; 6. auxiliary test mechanism; 61. support block; 62. second motor; 63. first roller; 64. eddy current machine; 65. second roller; 66. belt. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Embodiment 1

[0029] See also Figure 1-6 The utility model provides a technical solution: an automobile chassis dynamometer with a protective structure, comprising a test bench 1, a first cylinder 3 is fixedly connected to the inner side of the bottom of the test bench 1, a lifting plate 2 is fixedly connected to the top of the first cylinder 3, a support frame 4 is fixedly connected to the back of the test bench 1, an adjustment and protection mechanism 5 is arranged inside the support frame 4, and an auxiliary test mechanism 6 is arranged inside the test bench 1;

[0030] The adjusting and protecting mechanism 5 comprises an adjusting component 51 and a protecting component 52 . The protecting component 52 is arranged inside the test bench 1 , and the adjusting component 51 is arranged inside the supporting frame 4 .

[0031] Furthermore, the adjustment component 51 includes a second cylinder 511, which is fixedly connected to the inner side of the support frame 4, and the second cylinder 511 is fixedly connected to a push block 512 at one end away from the support frame 4, and a connecting platform 513 is slidably connected inside the support frame 4, and the connecting platform 513 is fixedly connected to one end of the push block 512, and the output end of the first motor 514 passes through the connecting platform 513 and extends to the inside where a bidirectional threaded rod 515 is fixedly connected, and a limiting rod 516 is fixedly connected inside the connecting platform 513, and a movable block 517 is slidably connected to the outside of the limiting rod 516, and the movable block 517 is rotatably connected to the inside of the movable block 517, and the first rotating block 518 is rotatably connected to the limiting roller 519 outside, so as to facilitate the adjustment of the position of the limiting roller 519, so as to meet the limit use of wheels of different widths and facilitate the parking position of different users, thereby increasing the use effect.

[0032] Furthermore, the movable block 517 is threadedly connected to the bidirectional threaded rod 515, grooves are provided at corresponding positions of the connecting platform 513 and the movable block 517, and the movable block 517 is slidably connected inside the groove, and the push block 512 is fixedly connected to the connecting platform 513, so that the limiting process is more stable.

[0033] Furthermore, the protective component 52 includes a slider 521, which is slidably connected to the inside of the test bench 1, and a second rotating block 522 is rotatably connected inside the slider 521, and a limiting block 523 is slidably connected inside the second rotating block 522. The back of the second rotating block 522 is fixedly connected to a connecting box 524, and a spring 526 is fixedly connected inside the connecting box 524. The spring 526 is fixedly connected to a clamping block 527 at one end away from the connecting box 524, and a sliding rod 525 is fixedly connected to the back of the clamping block 527, so that the angle of the first rotating block 518 can be adjusted and the rotation angle can be fixed at the same time, and the limiting roller 519 can be used to meet the adjustment needs of chassis of different heights, thereby increasing applicability.

[0034] Furthermore, grooves are provided at corresponding positions of the first rotating block 518 and the limit block 523, and the limit block 523 is rotatably connected inside the groove, the push block 512 is fixedly connected to the slider 521, the slide rod 525 is slidably connected to the connecting box 524, the clamping block 527 is slidably connected to the second rotating block 522, and the clamping block 527 is in contact with the limit block 523, so as to make the adjustment process more stable. Embodiment 2

[0035] See also Figure 7, and combined with Example 1, it is further obtained that the auxiliary testing mechanism 6 includes a supporting block 61, the supporting block 61 is fixedly connected to the inner side of the bottom of the test bench 1, the top of the supporting block 61 is fixedly connected to a second motor 62, the output end of the second motor 62 is fixedly connected to a first roller 63, the inside of the test bench 1 is fixedly connected to an eddy current machine 64, the inside of the eddy current machine 64 is rotatably connected to a second roller 65, and the external transmission of the second roller 65 is connected to a belt 66, which is convenient for testing different powers of the vehicle chassis.

[0036] Furthermore, the belt 66 is transmission-connected to the first roller 63, the first roller 63 is rotationally connected to the test bench 1, and the second roller 65 is rotationally connected to the test bench 1, so that the test process is more stable.

[0037] During the actual operation, when this device is used, the vehicle to be tested is first driven to the top of the test bench 1, and the lifting plate 2 is moved by the first cylinder 3, so that the vehicle tire falls between the first roller 63 and the second roller 65, and is adjusted according to the chassis height and wheel width of the vehicle. The second rotating block 522 is rotated to cooperate with the first rotating block 518 to move the limit block 523, and the sliding rod 525 is moved to cooperate with the spring 526 to move the card block 527, so that the angle of the first rotating block 518 can be adjusted while the rotation angle can be fixed, and the limit roller 519 is cooperated to meet the requirements. Chassis of different heights can be adjusted for use to increase applicability. The second cylinder 511 is set to work to move the connecting platform 513. The first motor 514 is set to work to rotate the bidirectional threaded rod 515. The limit rod 516 is cooperated to move the movable block 517, so as to facilitate the adjustment of the position of the limit roller 519. It can meet the needs of wheels of different widths for limiting the use and facilitate the parking position of different users, thereby increasing the use effect. The second motor 62 is set to work to rotate the first roller 63. The belt 66 is cooperated to rotate the second roller 65. The eddy current machine 64 is cooperated to facilitate the testing of different powers of the vehicle chassis.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. An automobile chassis dynamometer with a protective structure, comprising a test bench (1), characterized in that: A first cylinder (3) is fixedly connected to the inner side of the bottom of the test bench (1), a lifting plate (2) is fixedly connected to the top of the first cylinder (3), a support frame (4) is fixedly connected to the back of the test bench (1), an adjustment and protection mechanism (5) is arranged inside the support frame (4), and an auxiliary testing mechanism (6) is arranged inside the test bench (1); The adjusting and protecting mechanism (5) comprises an adjusting component (51) and a protecting component (52); the protecting component (52) is arranged inside the test bench (1); and the adjusting component (51) is arranged inside the support frame (4).

2. The automobile chassis dynamometer with a protective structure according to claim 1, characterized in that: The adjustment component (51) comprises a second cylinder (511), the second cylinder (511) being fixedly connected to the inner side of the support frame (4), the second cylinder (511) being fixedly connected to a push block (512) at one end away from the support frame (4), the support frame (4) being slidably connected to a connecting platform (513) inside, the connecting platform (513) being fixedly connected to an end close to the push block (512) with a first motor (514), the output end of the first motor (514) passing through the connecting platform (513) extending to the inside and being fixedly connected to a bidirectional threaded rod (515), the connecting platform (513) being fixedly connected to a limit rod (516) inside, the limit rod (516) being slidably connected to a movable block (517) outside, the movable block (517) being rotatably connected to a first rotating block (518) inside, and the first rotating block (518) being rotatably connected to a limit roller (519) outside.

3. The automobile chassis dynamometer with a protective structure according to claim 2, characterized in that: The movable block (517) is threadedly connected to the bidirectional threaded rod (515); grooves are provided at corresponding positions of the connecting platform (513) and the movable block (517); the movable block (517) is slidably connected inside the groove; and the push block (512) is fixedly connected to the connecting platform (513).

4. The automobile chassis dynamometer with a protective structure according to claim 2, characterized in that: The protection component (52) comprises a slider (521), the slider (521) being slidably connected inside the test bench (1), a second rotating block (522) being rotatably connected inside the slider (521), a limit block (523) being slidably connected inside the second rotating block (522), a connection box (524) being fixedly connected at the back of the second rotating block (522), a spring (526) being fixedly connected at the inside of the connection box (524), a clamping block (527) being fixedly connected at one end of the spring (526) away from the connection box (524), and a sliding rod (525) being fixedly connected at the back of the clamping block (527).

5. The automobile chassis dynamometer with a protective structure according to claim 4, characterized in that: A groove is provided at a corresponding position between the first rotating block (518) and the limiting block (523), and the limiting block (523) is rotatably connected inside the groove, the pushing block (512) is fixedly connected to the sliding block (521), the sliding rod (525) is slidably connected to the connecting box (524), the clamping block (527) is slidably connected to the second rotating block (522), and the clamping block (527) is in contact with the limiting block (523).

6. The automobile chassis dynamometer with a protective structure according to claim 1, characterized in that: The auxiliary test mechanism (6) comprises a support block (61), wherein the support block (61) is fixedly connected to the inner side of the bottom of the test bench (1), a second motor (62) is fixedly connected to the top of the support block (61), an output end of the second motor (62) is fixedly connected to a first roller (63), an eddy current machine (64) is fixedly connected inside the test bench (1), a second roller (65) is rotatably connected inside the eddy current machine (64), and the second roller (65) is externally connected to a belt (66) for transmission.

7. The automobile chassis dynamometer with a protective structure according to claim 6, characterized in that: The belt (66) is drivingly connected to the first roller (63), the first roller (63) is rotationally connected to the test bench (1), and the second roller (65) is rotationally connected to the test bench (1).

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