CN204184475U - Vibration damping operator's compartment and this vehicle - Google Patents

Abstract

A damping cab and the vehicle are provided. An airbag, multiple damper assemblies and multiple double-link mechanisms are arranged between the upper and lower floor of the cab, and the damper assembly includes a magneto-rheological damper and a coil spring; The upper floor of the cab and the lower floor of the cab are provided with a plurality of guide grooves corresponding to a plurality of double-link mechanisms; the double-link mechanism includes a first link and a second link, and the upper end of the first link It is hinged with the upper end of the second connecting rod, and the hinge point of the first connecting rod and the second connecting rod is in sliding fit with the guide groove on the upper floor of the cab, and the lower end of the first connecting rod is fixed on the lower floor of the cab. The lower end of the second connecting rod is in a sliding fit with the guide groove on the lower floor of the cab. Four connecting rod mechanisms are preferably used to form a four-point symmetrical four-point suspension support mechanism. The adjustable damping cab has a simple structure and is easy to install. , Can effectively prevent impact, adjustable damping, can effectively prevent swinging in the horizontal direction and have good vibration damping effect.

Description

Damped cab and the vehicle

technical field

The utility model relates to the field of vehicle driving, in particular to a damping cab.

Background technique

In the prior art, the traditional cab suspension method is the front suspension, which adopts rubber supports or flip shafts with rubber sleeves to achieve the required suspension and support functions. When passing on different road surfaces, the vibration reduction effect remains the same, and the damping of the hydraulic damper cannot be adjusted. It is difficult for the vibration frequency of the cab to avoid the uncomfortable frequency range of the human body, and it is also difficult to adapt to changing driving conditions. The vibration reduction effect is not good. The comfort is relatively poor. Moreover, the metal spring itself is prone to fatigue and fracture, has a low service life, and is easily disturbed by the outside world. And it is troublesome to disassemble and the comfort is not good. The above damping device has been difficult to meet the current social requirements.

Utility model content

The purpose of the utility model is to overcome one or more deficiencies in the above-mentioned prior art, and provide an adjustable damping vibration-absorbing driver's cab. The damping adjustable damping cab has a simple structure, is convenient to install, can effectively prevent impact, has adjustable damping, can effectively prevent swinging in the horizontal direction, and has a good vibration damping effect.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a vibration damping cab, including a cab body, a cab upper floor arranged below the cab body, and a cab upper floor arranged below the cab upper floor. The lower floor of the cab, an airbag and a plurality of damper assemblies are arranged between the upper floor of the cab and the lower floor of the cab, and the damper assembly includes a magnetorheological damper and a coil spring, and the coil spring is sleeved on the Magneto-rheological damper external.

Further, the upper end of the magneto-rheological damper is connected to the cab upper floor (1-1) through the first connecting block, the lower end of the magneto-rheological damper is connected to the cab lower floor, and the magnetic A second connecting block is installed on the lower part of the rheological damper, the upper end of the coil spring is connected with the first connecting block, and the lower end of the coil spring is connected with the second connecting block.

Further, the support mechanism between the upper floor of the cab and the lower floor of the cab is a symmetrical double-link mechanism, and the upper floor of the cab and the lower floor of the cab are provided with a one-to-one correspondence with the double-link mechanism. a plurality of guide slots; the double linkage mechanism includes a first link and a second link, the upper end of the first link and the upper end of the second link are hinged, and the first link and the second link The hinge point of the two connecting rods is in sliding fit with the guide groove on the upper floor of the cab, the lower end of the first connecting rod is fixed on the lower floor of the cab, and the lower end of the second connecting rod is connected to the lower end of the cab The guide slots are a sliding fit.

Further, the lower end of the first connecting rod is provided with a fixed block, and the fixed block is connected with the lower floor of the cab through bolts, and the lower end of the second connecting rod is provided with a slider sliding along the guide groove.

Further, the lower end of the first connecting rod is provided with a fixed block, and the fixed block is connected with the lower floor of the cab through bolts, and the lower end of the second connecting rod is provided with a slider sliding along the guide groove.

Further, the number of the double linkage mechanism is four, the number of the guide grooves on the upper floor of the cab and the lower floor of the cab are four, and the four guide grooves on the upper floor of the cab and the four guide grooves on the lower floor of the cab The four guide grooves on the lower floor of the cab are arranged in a square shape.

Further, a damping adaptive adjustment control system is also included, and the damping adaptive adjustment control system includes an acceleration sensor for detecting the lifting acceleration of the cab lower floor and a magneto-rheological damper controller connected to the acceleration sensor (3) , the input end of the magnetorheological damper controller is connected to the acceleration sensor (3), and the output end of the magnetorheological damper controller is connected to the magnetorheological damper.

A vehicle employing the vibration-damping cab described above.

Compared with the prior art, the utility model has the following advantages:

1. The structure of the utility model is simple, and the design is novel and reasonable.

2. The utility model provides supporting force for the driver's cab body by providing airbags, and cooperates with the double-link mechanism, and provides restoring force for the double-link mechanism. More importantly, the airbags can effectively reduce the impact caused by uneven road surfaces.

3. The four double-link mechanisms of the utility model form a four-point suspension cab support mechanism, which has a simple structure and can effectively prevent the cab body from swinging in the horizontal direction, ensuring good comfort.

4. By setting the damping adaptive adjustment control system in this utility model, when the amplitude of the double-link mechanism is large, a large current can be output through the magnetorheological damper controller and transmitted to the magnetorheological damper, so that the magnetorheological damping The damper is automatically transformed into a damper with large damping, so that the damping can be adjusted.

5. The utility model has the advantages of low cost, good application effect and convenient popularization and use.

In summary, the utility model has the advantages of simple structure, novel and reasonable design, high working reliability, long service life, good vibration damping effect, and is convenient for popularization and use.

Description of drawings

Fig. 1 is the structure schematic diagram of the utility model damping driver's cab;

Fig. 2 is the structural representation of the damper assembly of the damper cab of the utility model;

Fig. 3 is a schematic diagram of the structure of the double-link mechanism of the vibration-damping cab of the present invention arranged on the lower floor of the cab;

Fig. 4 is a schematic diagram of the positional relationship between the guide groove of the vibration-damping cab and the airbag of the utility model.

Detailed ways

The technical solutions of the present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

Explanation of reference numerals: 1—cab body; 1-1—upper floor of the cab; 1-2—lower floor of the cab; 2—damper assembly; 2-1—coil spring; 2-2—magnetorheological Damper; 2-3—first connecting block; 2-4—second connecting block; 3—acceleration sensor; 4—guiding groove; 5—double linkage mechanism; 5-1—first connecting rod; 5-2 - second connecting rod; 5-3 - slide block; 5-4 - fixed block; 6 - air bag.

A damping adjustable damping cab as shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4 includes a cab body 1, a cab upper floor 1-1 arranged below the cab body 1 and a set In the cab lower floor 1-2 below the cab upper floor 1-1, an airbag 6 and a plurality of damper assemblies are arranged between the cab upper floor 1-1 and the cab lower floor 1-2 2 and a plurality of double linkage mechanisms 5, the damper assembly 2 includes a magnetorheological damper 2-2 and a coil spring 2-1, and the upper end of the magnetorheological damper 2-2 passes through the first connecting block 2-3 is connected with the cab upper floor 1-1, the lower end of the magnetorheological damper 2-2 is connected with the cab lower floor 1-2, and the lower part of the magnetorheological damper 2-2 is installed There is a second connection block 2-4, the upper end of the coil spring 2-1 is connected with the first connection block 2-3, and the lower end of the coil spring 2-1 is connected with the second connection block 2-4; The upper base plate 1-1 of the cab and the lower base plate 1-2 of the cab are provided with a plurality of guide grooves 4 corresponding to the plurality of double-link mechanisms 5; the double-link mechanism 5 includes a first connecting rod 5-1 and the second connecting rod 5-2, the upper end of the first connecting rod 5-1 and the upper end of the second connecting rod 5-2 are hinged, and the first connecting rod 5-1 and the second connecting rod The hinge point of the rod 5-2 is in sliding fit with the guide groove 4 on the cab upper floor 1-1, the lower end of the first connecting rod 5-1 is fixed on the cab lower floor 1-2, and the second The lower end of the connecting rod 5-2 is slidingly fitted with the guide groove 4 on the cab lower floor 1-2. In this embodiment, the airbag 6 is provided to cooperate with the double-link mechanism 5 to provide support for the cab body 1 and to provide a restoring force for the double-link mechanism 5. More importantly, the airbag 6 can effectively reduce Impact caused by unevenness.

In this embodiment, the damping adjustable damping cab also includes a damping adaptive adjustment control system, and the damping adaptive adjustment control system includes an acceleration sensor 3 and an acceleration sensor 3 for detecting the lifting acceleration of the cab lower floor 1-2. A magneto-rheological damper controller connected to the sensor 3, the input end of the magneto-rheological damper controller is connected to the acceleration sensor 3, and the output end of the magneto-rheological damper controller is connected to the magneto-rheological damper controller 2-2 meet. The acceleration sensor 3 is installed on the cab lower floor 1-2, and the magneto-rheological damper controller is installed on the cab upper floor 1-1.

When in use, when the shock-absorbing cab is impacted by a load in the vertical direction, both the magneto-rheological damper 2-2 and the coil spring 2-1 are pressed down, and the double-link mechanism 5 is also pressed down simultaneously, and the double-link mechanism 5. The lower end of the second connecting rod 5-2 moves in the guide groove 4. At this time, the damping adaptive adjustment control system detects the acceleration of the cab lower floor 1-2 through the acceleration sensor 3. The magneto-rheological damper controller 7 Judging the amplitude according to the acceleration sensor 3, and then adaptively adjusting the magneto-rheological damper 2-2, that is, when the amplitude of the double-link mechanism 5 is large, the magnetorheological damper controller outputs a large current and transmits it to The magneto-rheological damper 2-2 makes the magnetorheological damper 2-2 automatically transform into a damper with large damping, thereby realizing adjustable damping.

As shown in Figure 3, the lower end of the first connecting rod 5-1 is provided with a fixed block 5-4, and the fixed block 5-4 is connected with the cab lower floor 1-2 through bolts, and the second connecting rod The lower end of the 5-2 is provided with a slider 5-3 that slides along the guide groove 4.

As shown in Figure 3, the number of the double linkage mechanism 5 is four, the number of the guide grooves 4 on the upper bottom plate 1-1 of the cab and the lower bottom plate 1-2 of the cab is four, and the driving The four guide grooves 4 on the upper base plate 1-1 of the compartment and the four guide grooves 4 on the lower base plate 1-2 of the cab are arranged in a square shape. In this embodiment, the four double-link mechanisms 5 constitute a four-point suspension cab support mechanism, which has a simple structure, can effectively prevent the cab body 1 from swinging in the horizontal direction, and ensure good comfort.

In other embodiments, only the airbag and the magneto-rheological damper assembly can be used, which can also achieve a good damping effect.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any simple modifications, changes and equivalent structural transformations made to the above embodiments according to the technical essence of the present utility model still belong to Within the scope of protection of the technical solution of the utility model.

Claims (10)

1. A damping cab is characterized in that it comprises a cab body (1), a cab upper floor (1-1) arranged below the cab body (1) and a cab upper base plate (1-1) arranged on the cab body (1). The cab lower floor (1-2) below the floor (1-1), the airbag (6) and multiple damper assemblies (2) are arranged between the cab upper floor and the cab lower floor, the The damper assembly (2) includes a magneto-rheological damper (2-2) and a coil spring (2-1), and the coil spring is sleeved outside the magneto-rheological damper. 2. The damping cab according to claim 1, characterized in that, the upper end of the magneto-rheological damper (2-2) is connected to the cab upper floor (1-2) through the first connection block (2-3). 1) connected, the lower end of the magnetorheological damper (2-2) is connected with the cab lower floor (1-2), and the lower part of the magnetorheological damper (2-2) is installed with a second A connection block (2-4), the upper end of the coil spring (2-1) is connected to the first connection block (2-3), and the lower end of the coil spring (2-1) is connected to the second connection block (2 -4) connected. 3. The vibration damping cab according to claim 1, characterized in that, the support mechanism between the cab upper floor (1-1) and the cab lower floor (1-2) is a symmetrical double link mechanism (5), the cab upper floor (1-1) and the cab lower floor (1-2) are provided with a plurality of guide grooves (4) corresponding to the double-link mechanism (5); The double linkage mechanism (5) includes a first link (5-1) and a second link (5-2), and the upper end of the first link (5-1) and the second link (5 -2) the upper ends are hinged, and the hinge points of the first connecting rod (5-1) and the second connecting rod (5-2) are in a sliding fit with the guide groove on the cab upper floor (1-1) , the lower end of the first connecting rod (5-1) is fixed on the lower floor of the cab (1-2), and the lower end of the second connecting rod (5-2) is connected to the lower floor of the cab (1-2) The upper guide groove (4) is a sliding fit. 4. The damping cab according to claim 2, characterized in that, a plurality of symmetrical double-linkages are arranged between the upper bottom plate (1-1) of the cab and the lower bottom plate (1-2) of the cab mechanism (5), the cab upper floor (1-1) and the cab lower floor (1-2) are provided with a plurality of guide grooves corresponding to the double linkage mechanism (5); The link mechanism (5) includes a first link (5-1) and a second link (5-2), and the upper end of the first link (5-1) and the second link (5-2) The upper ends of the connecting rods (5-1) and the second connecting rods (5-2) are hinged, and the hinge points of the first connecting rod (5-1) and the second connecting rod (5-2) are in sliding fit with the guide grooves on the upper bottom plate (1-1) of the cab. The lower end of the first connecting rod (5-1) is fixed on the cab lower floor (1-2), and the lower end of the second connecting rod (5-2) is connected with the guide on the cab lower floor (1-2). The slot (4) is a sliding fit. 5. A damping cab according to claim 3, characterized in that, a fixed block (5-4) is provided at the lower end of the first connecting rod (5-1), and the fixed block (5-4) 4) It is connected with the cab lower floor (1-2) by bolts, and the lower end of the second connecting rod (5-2) is provided with a slider (5-3) sliding along the guide groove (4). 6. A damping cab according to claim 4, characterized in that a fixed block (5-4) is provided at the lower end of the first connecting rod (5-1), and the fixed block (5-4) 4) It is connected with the cab lower floor (1-2) by bolts, and the lower end of the second connecting rod (5-2) is provided with a slider (5-3) sliding along the guide groove (4). 7. The damping cab according to any one of claims 3 to 6, characterized in that, the number of the double linkage mechanisms (5) is four, and the cab upper floor (1-1) and The number of guide grooves (4) on the lower floor of the cab (1-2) is four, and the four guide grooves (4) on the upper floor of the cab (1-1) and the lower floor of the cab ( Four guide grooves (4) on 1-2) are all arranged in a square shape. 8. The vibration-damping cab according to any one of claims 1 to 6, characterized in that it also includes a damping adaptive adjustment control system, and the damping adaptive adjustment control system includes a control system for detecting the lower floor of the cab (1 -2) the acceleration sensor (3) of the lifting acceleration and the magneto-rheological damper controller connected with the acceleration sensor (3), the input end of the magnetorheological damper controller is connected with the acceleration sensor (3), The output end of the magnetorheological damper controller is connected with the magnetorheological damper (2-2). 9. The damping cab according to claim 7, characterized in that it also includes a damping adaptive adjustment control system, and the damping adaptive adjustment control system includes a control system for detecting the lifting acceleration of the lower floor (1-2) of the cab. The acceleration sensor (3) and the magnetorheological damper controller connected with the acceleration sensor (3), the input end of the magnetorheological damper controller is connected with the acceleration sensor (3), and the magnetorheological The output end of the damper controller is connected with the magneto-rheological damper (2-2). 10. A vehicle, characterized in that the vibration-damping cab according to any one of claims 1 to 9 is used.