阅读说明：本技术 一种全浮式驾驶室悬置结构 (A kind of full-float cab mounting structure ) 是由 黄高欢 马浩鹏 石宏 于 2019-08-26 设计创作，主要内容包括：本发明公开了一种全浮式驾驶室悬置结构,包括用于螺旋弹簧与驾驶室相连的连接件以及限位装置、阻尼器,所述螺旋弹簧的下端及阻尼器的下端均安装在连车架上,所述螺旋弹簧的上端及阻尼器的上端安装在所述连接件上；所述阻尼器包括缸体及缸体端盖,所述阻尼器还包括缓冲弹性组件、活塞组件以及伸缩减振弹性组件,所述缓冲弹性组件及活塞组件在缸体内部,所述伸缩减振弹性组件在缸体外部；本发明的阻尼器具有很好减振作用,提高了汽车行驶时的平稳性及其它机件的寿命。(The invention discloses a kind of full-float cab mounting structures, including the connector being connected for helical spring with driver's cabin and limiting device, damper, the lower end of the helical spring and the lower end of damper are installed on even vehicle frame, and the upper end of the helical spring and the upper end of damper are mounted on the connector；The damper includes cylinder body and cylinder end caps, and the damper further includes snubber elastomeric component, piston component and flexible damping elastomer component, and the snubber elastomeric component and piston component are in cylinder interior, and the flexible damping elastomer component is outside cylinder body；Damper of the invention has fine damping effect, the service life of stationarity and other parts when improving running car.)

1. a kind of full-float cab mounting structure, including the connector (6) being connected for helical spring (5) with driver's cabin and limit Position device (7), damper (8), the lower end of the helical spring (5) and the lower end of damper (8) are installed on even vehicle frame, institute The upper end of the upper end and damper (8) of stating helical spring (5) is mounted on the connector (6)；The damper (8) includes cylinder Body (801) and cylinder end caps (802)；It is characterized in that, the damper (8) further includes snubber elastomeric component (81), piston group Part (82) and flexible damping elastomer component (83), the snubber elastomeric component (81) and piston component (82) are in cylinder body (801) Inside, the flexible damping elastomer component (83) are external in the cylinder body (801)；The snubber elastomeric component (81) includes axis (811), the axis (811) is equipped with fixing bolt (812), and the two sides of the fixing bolt (812) are symmetrically installed with torsional spring (813), The torsional spring (813) is sleeved on the axis (811)；Fixed bracket (814) two sides are symmetrically arranged with track (815), described Friction plate (819) are equipped between track (815) and the fixed bracket (814)；The both ends of the axis (811) are equipped with spring (816) and by spring end cap (818) and self-locking nut (817) it locks.

2. a kind of full-float cab mounting structure according to claim 1, which is characterized in that the track (815) and It is semicircular groove that section is respectively equipped on the both side plate (8143) of the fixed bracket (814), is filled in the groove There are ball (8151).

3. a kind of full-float cab mounting structure according to claim 1, which is characterized in that the fixing bolt (812) It is equipped with quarter butt (8121), cushion block (8122) is installed on the quarter butt (8121)；The fixed bracket (814) is equipped with stock (8141), the stock (8141) is connect by installation sheet (8142) with piston component (82).

4. a kind of full-float cab mounting structure according to claim 1, which is characterized in that the flexible damping elastomer Component (83) includes rubber air spring (831), and the rubber air spring (831) is sleeved on the cylinder body by guide sleeve (801) outside on piston rod (803).

5. a kind of full-float cab mounting structure according to claim 4, which is characterized in that the rubber air spring It (831) include upper cover plate (8311), lower cover plate (8312), flange ring (8313), rubber spring (8314) and girdle ring (8315)；Institute The one end for stating rubber spring (8314) is fixed on the upper cover plate (8311) and the flange ring (8313) by bolt (8316) On；The other end of the rubber spring (8314) is fixed on the lower cover plate (8312) and the flange ring by bolt (8316) (8313) on；The girdle ring (8315) is located in the middle part of the rubber spring (8314)；There are two being set on the upper cover plate (8311) Port (8317).

6. a kind of full-float cab mounting structure according to claim 5, which is characterized in that the upper cover plate (8311) The first guide sleeve (832) are equipped between the piston rod (803), are additionally provided with spring end cap on the upper cover plate (8311) (8318), it is set the first sealing ring (833) between the spring end cap (8318) and the piston rod (803), first guiding One end of set (832) extends at first sealing ring (833)；The lower cover plate (8312) and the piston rod (803) it Between be equipped with the second guide sleeve (834), the second guide sleeve (834) both ends are respectively equipped with the second sealing ring (835)；The lower cover Plate (8312) is connected on the cylinder end caps (802).

7. a kind of full-float cab mounting structure according to claim 1, which is characterized in that the piston component (82) Including the piston rod (803), the export direction of the piston rod (803) is equipped with inner seal liner (821), the inner seal liner (821) upper end and lower end is respectively equipped with first seal (822), second seal (823)；The first seal (822) Upper end be equipped with snubber elastomeric element (824), upper end and the cylinder body (801) the end cap phase of the snubber elastomeric element (824) Even, outside seal (825) are equipped between the first seal (822) and the second seal (823).

8. a kind of full-float cab mounting structure according to claim 7, which is characterized in that the piston rod (803) Bottom be additionally provided with piston seal film (826), the piston seal film (826) is connected with piston (827), the piston (827) third sealing element (828) are equipped between the cylinder body (801).

9. a kind of full-float cab mounting structure according to claim 8, which is characterized in that the second seal (823) first chamber (L1) is formed between the piston (827), the piston seal film and the cylinder body form second chamber (L2)；The bottom of the cylinder body (801) is additionally provided with for replacing the liquid in the first chamber (L1) and second chamber (L2) Opening (829).

10. a kind of full-float cab mounting structure according to claim 1, which is characterized in that the limiting device (7) Including upper limit position block (701), lower position block (702), connecting plate (601), the connecting plate are additionally provided on the connector (6) (601) impact block (602) are equipped with, the impact block (602) is located at the upper limit position block (701) and the lower position block (702) between.

Technical field

The present invention relates to Manufacturing Technology for Automotive Parts more particularly to a kind of full-float cab mounting structures.

Background technique

With the continuous improvement of living standards, people not only have higher requirement to ride comfort by bus, to large and medium-sized lorry The ride comfort of equal commerial vehicles requires also higher and higher；Vibration comfort of the connection type of vehicle cab and vehicle frame to vehicle Have a great impact, as shown in Figure 1, bottom plate of driving cab 1 is equipped with upper cushion block 2 and lower cushion block 3, one end of lower cushion block 3 is in bracket 4 Top, bracket 4 is fixed on vehicle frame；Traditional connection type is to be attached driver's cabin and vehicle frame with rubber cushion blocks, is driven When sailing room with respect to body oscillating, rubber cushion blocks conveniently impact, and achieve the purpose that elastic vibration isolation；But this traditional connection type The ride comfort of vehicle can not be improved.

In traditional design, truck cab is directly installed on vehicle frame, and the vibration of vehicle driving is directly delivered to driving Room, ride comfort are poor；In order to improve the ride comfort of vehicle especially heavy goods vehicle driver's cabin, domestic some producers are opened Even if beginning to use cab mounting vibration isolation, the suspension system being made up of spring damping element is by cab mounting on vehicle frame； Currently used Cab Mounting System is semi-floating, that is, driver's cabin front is directly connected with vehicle frame, rear cabin passes through Spring-damper is connected with vehicle frame, but conventional spring-damper can seriously affect after being used for a long time since spring performance weakens The ride comfort of automobile, since spring-damper has damping effect, the quality of spring-damper will directly affect running car The service life of stationarity and other parts, therefore damper should be made often in good working order.

In order to solve the above technical problem, the present invention provides a kind of full-float cab mounting structure, the present invention uses one The new damper of kind, main includes flexible damping elastomer component, piston component and snubber elastomeric component.

Summary of the invention

In view of the above shortcomings of the prior art, the object of the present invention is to provide a kind of full-float cab mounting structures, originally Using a kind of new damper, main includes flexible damping elastomer component, piston component and snubber elastomeric component for invention.

The present invention is achieved by the following technical programs.

A kind of full-float cab mounting structure, including the connector and limit dress being connected for helical spring with driver's cabin It sets, damper, the lower end of the helical spring and the lower end of damper are installed on even vehicle frame, the upper end of the helical spring And the upper end of damper is mounted on the connector；The damper includes cylinder body and cylinder end caps, and the damper also wraps Snubber elastomeric component, piston component and flexible damping elastomer component are included, the snubber elastomeric component and piston component are in cylinder body Inside, the flexible damping elastomer component is outside cylinder body；The snubber elastomeric component includes axis, and the axis, which is equipped with, to be fixed Bolt, the two sides of the fixing bolt are symmetrically installed with torsional spring, and on the shaft, one end of the torsional spring is mounted on the torsion spring set dress In the fixing bolt, the other end of the torsional spring is mounted on fixed bracket, and the fixed bracket is by track installation described Axis；The both ends of the axis are equipped with spring and are locked by spring end cap and self-locking nut.

Specifically, the limiting device includes upper limit position block, lower position block, connecting plate, institute are additionally provided on the connector Connecting plate is stated equipped with impact block, the impact block is between the upper limit position block and the lower position block；The connector Directly be connected with driver's cabin, the connector is linked together with the impact block, driver's cabin beat when, the connector with it is described Impact block moves up and down together, and the limiting device is mounted on vehicle frame, does not have relative displacement, the limit dress between vehicle frame The upper limit position block and lower position block set play position-limiting action up and down respectively；When jump reaches upper limit on driver's cabin, impact block Rubber impact upper limit position block, when reaching lower limit, the rubber impact lower position block of impact block, so that helical spring jerk value Always it is limited in the range of limiting device restriction, is a kind of rigid structure；The structure working principle is simple, and structure is easy real It is existing, and can always limit the bounce of mounting structure within the limits prescribed.

Further, it is semicircular recessed that section is respectively equipped on the track and the support bracket fastened both side plate Slot is filled with ball in the groove.

Further, the fixing bolt is equipped with quarter butt, is equipped with cushion block on the quarter butt；It is set on the fixed bracket There is stock, the stock is connect by installation sheet with piston component；The fixing bolt is made of sphere, the fixing bolt and institute Stating fixed bracket is sphere-contact.

The snubber elastomeric component has used for reference animal leg bone-contact mode, makes the fixing bolt and the fixed bracket Between by sphere-contact, improve the bearing capacity of the snubber elastomeric component；The spring at the axis both ends, spring end cap and from Split nut cooperates, and realizes the coarse adjustment of suffered frictional resistance when the stock is rotated around the axis jointly；Positioned at the friction The ball of piece radial outside is rotated with the stock, and the ball rolls in groove, and the groove on the track is described The circular motion of ball provides track, and the ball cooperates with the track and realizes the micro- of the stock friction It adjusts；On the support bracket fastened both side plate, between friction plate and the track, is realized and be engaged by circumferentially uniform three boss Connection；The fixing bolt is fixedly connected on the shaft.

Further, the flexible damping elastomer component includes rubber air spring, and the rubber air spring passes through Guide sleeve is sleeved on the piston rod outside the cylinder body.

Further, the rubber air spring includes upper cover plate, lower cover plate, flange ring, rubber spring, girdle ring；Institute The one end for stating rubber spring is bolted on the upper cover plate and the flange ring；The other end of the rubber spring is logical Bolt is crossed to be fixed on the lower cover plate and the flange ring；The girdle ring is located in the middle part of the rubber spring；The upper cover plate On set there are two port.

The charged air pressure in the rubber air spring realizes the effect of elasticity, institute using the compressibility of air The rigidity for stating rubber air spring can become with load, and the rubber air spring can bear axially and radially load simultaneously, Torque can be transmitted, the rubber air spring is by adjusting interior pressure, available different bearing capacity, the rubber air Spring is more steady, and effectiveness in vibration suppression is more preferable.

Further, it is equipped with the first guide sleeve between the upper cover plate and the piston rod, is also set on the upper cover plate There is end cap, set the first sealing ring between the end cap and the piston rod, it is described that one end of first guide sleeve, which extends, At one sealing ring；The second guide sleeve is equipped between the lower cover plate and the piston rod, second guide sleeve both ends are set respectively There is the second sealing ring；The lower cover plate is connected in the cylinder end caps.

Further, the piston component includes the piston rod, and the export direction of the piston rod is equipped with interior sealing Part, the upper end and lower end of the inner seal liner are respectively equipped with first seal, second seal；The upper end of the first seal Equipped with snubber elastomeric element, the upper end of the snubber elastomeric element is connected with the cylinder end caps, the first seal and institute It states and is equipped with outside seal between second seal.

Further, the bottom of the piston rod is additionally provided with piston seal film, and the piston seal film is connected with piston It connects, third sealing element is provided between the piston and the cylinder body.

Further, form first chamber between the second seal and the piston, the piston seal film with The cylinder body forms second chamber.

Further, the bottom of the cylinder body is additionally provided with for replacing the liquid in the first chamber and second chamber Opening.

Oil return hole, the piston component and the snubber elastomeric component are formed in the piston component from the cylinder body One end rise be set in turn in the cylinder body, the cylinder body be cylindricality；The piston rod sequentially passes through the cylinder end caps simultaneously It is fixedly connected with the piston component, the piston component is fixedly linked with the snubber elastomeric component；The piston rod by Under the action of external force, working fluid flows to the second chamber by the oil return hole from first chamber, realizes that driver's cabin is being jumped Buffering effect when dynamic；And the snubber elastomeric component being arranged in the second chamber can guarantee that the damper is pushed in external force The piston rod and external force have the effect of buffering when shedding from the piston rod.

Compared with prior art, the beneficial effects of the present invention are:

1, by the damper of setting improve because the helical spring of mounting structure is dynamic disturb spend it is big caused by impact vibration power, make It obtains automobile and keeps good ride comfort in the process of moving；

2, it is more stable that rubber air spring vibration damping in the flexible damping elastomer component on damper is set, more controllably；

3, the snubber elastomeric component being arranged has used for reference the way of contact of animal leg bone, improves the load-bearing of snubber elastomeric component Power；

4, it is cooperated by the spring, spring end cap and self-locking nut at snubber elastomeric component axis both ends and realizes that stock turns around axis The coarse adjustment of suffered resistance when dynamic is realized the fine tuning of stock friction by the mutual cooperation of ball and track, ensure that resistance Buddhist nun's device pushes piston bar outside and just there is good buffering effect in external force is shed from piston rod when.

Detailed description of the invention

Fig. 1 rubber cushion blocks scheme of installation in the prior art；

Fig. 2 is structural schematic diagram of the invention；

Fig. 3 is the structural schematic diagram of damper in the present invention；

Fig. 4 is the enlarged diagram of A in Fig. 3；

Fig. 5 is the enlarged diagram of B in Fig. 3.

In figure: L1, first chamber；L2, second chamber；1, bottom plate of driving cab；2, upper cushion block；3, lower cushion block；4, bracket；5, Helical spring；6, connector；601, connecting plate；602, impact block；7, limiting device；701, upper limit position block；702, lower position block； 8, damper；801, cylinder body；802, cylinder end caps；803, piston rod；81, snubber elastomeric component；811, axis；812, fixing bolt； 8121, quarter butt；8122, cushion block；813, torsional spring；814, fixed bracket；8141, stock；8142, installation sheet；8143, side plate； 815, track；8151, ball；816, spring；817, self-locking nut；818, spring end cap；819, friction plate；82, piston component； 820, oil return hole；821, inner seal liner；822, first seal；823, second seal；824, snubber elastomeric element；825, outer Sealing element；826, piston seal film；827, piston；828, third sealing element；829, it is open；83, stretch damping elastomer component； 831, rubber air spring；8311, upper cover plate；8312, lower cover plate；8313, flange ring；8314, rubber spring；8315, girdle ring； 8316, bolt；8317, port；8318, spring end cap；832, the first guide sleeve；833, the first sealing ring；834, it second leads To set；835, the second sealing ring.

Specific embodiment

Clear, complete description is carried out below with reference to technical solution of the attached drawing to various embodiments of the present invention, it is clear that is retouched The embodiment stated is only a part of the embodiments of the present invention, instead of all the embodiments；Based on the embodiment of the present invention, originally Field those of ordinary skill obtained all other embodiment without making creative work, belongs to this hair Bright protected range.

In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention；In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements；For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.

The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.