阅读说明：本技术 一种车轮辅助制动装置 (Auxiliary brake device for wheel ) 是由 平娟 刘红亮 崔华 刘东旭 杨磊 于 2021-09-10 设计创作，主要内容包括：本发明公开了一种车轮辅助制动装置,包括升降架、固定架、辅助车轮、支撑梁体和制动盘,所述升降架与固定架滑动连接,固定架上表面的四角设置有液压伸缩缸Ⅰ,液压伸缩缸Ⅰ的伸缩端穿至固定架的下方与升降架连接,所述升降架上设置有旋转轴,旋转轴的两端穿至升降架的外侧,所述辅助车轮安装在旋转轴的两端,制动盘设置在旋转轴上,所述制动盘设置为两个,升降架上设置有固定轴,固定轴上设置有与制动盘相对应的转动座,转动座与固定轴转动连接,转动座与制动盘对应面上设置有刹车片；本发明结构设计新颖,大大提高了车轮的制动能力,提高起重车辆的安全性能,同时能够对起重车辆底部进行辅助支撑。(The invention discloses a wheel auxiliary braking device, which comprises a lifting frame, a fixing frame, auxiliary wheels, a supporting beam body and a brake disc, wherein the lifting frame is connected with the fixing frame in a sliding manner, four corners of the upper surface of the fixing frame are provided with hydraulic telescopic cylinders I, the telescopic ends of the hydraulic telescopic cylinders I penetrate below the fixing frame and are connected with the lifting frame, the lifting frame is provided with a rotating shaft, two ends of the rotating shaft penetrate to the outer side of the lifting frame, the auxiliary wheels are installed at two ends of the rotating shaft, the brake disc is arranged on the rotating shaft, the two brake discs are arranged, the lifting frame is provided with a fixed shaft, the fixed shaft is provided with a rotating seat corresponding to the brake disc, the rotating seat is rotatably connected with the fixed shaft, and the corresponding surface of the rotating seat and the brake disc is provided with a brake pad; the invention has novel structural design, greatly improves the braking capacity of wheels, improves the safety performance of the crane vehicle, and can carry out auxiliary support on the bottom of the crane vehicle.)

1. The utility model provides a wheel auxiliary brake device, includes crane (1), mount (6), auxiliary wheel (10), the support beam body (18) and brake disc (26), its characterized in that: the lifting frame (1) is connected with the fixing frame (6) in a sliding mode, the four corners of the upper surface of the fixing frame (6) are provided with hydraulic telescopic cylinders I (2), the telescopic ends of the hydraulic telescopic cylinders I (2) penetrate to the lower portion of the fixing frame (6) to be connected with the lifting frame (1), the lifting frame (1) is provided with rotary shafts (17), the two ends of each rotary shaft (17) penetrate to the outer side of the lifting frame (1), the auxiliary wheels (10) are installed at the two ends of each rotary shaft (17), the brake discs (26) are arranged on the rotary shafts (17), the number of the brake discs (26) is two, the lifting frame (1) is provided with a fixed shaft (5), the fixed shaft (5) is provided with a rotary seat (25) corresponding to the brake discs (26), the rotary seat (25) is rotatably connected with the fixed shaft (5), and the brake pads (24) are arranged on the corresponding surfaces of the rotary seat (25) and the brake discs (26), the hydraulic telescopic lifting support is characterized in that a stress plate (3) is arranged on the lifting frame (1) at the upper right of the rotating shaft (17), a hydraulic telescopic cylinder II (4) is arranged on the stress plate (3), the telescopic end of the hydraulic telescopic cylinder II (4) penetrates to the lower side of the stress plate (3) to be connected with a rotating seat (25), and the supporting beam body (18) is arranged on the lifting frames (1) at two sides of the rotating shaft (17).

2. A wheel assist brake device according to claim 1, wherein: the brake disc brake device is characterized in that a support frame (21) is arranged on the lifting frame (1), a protective cover (29) is arranged on the support frame (21), the protective cover (29) corresponds to the surface of the lower portion of the brake disc (26), and a spring I (22) is arranged between the rotating seat (25) and the support frame (21).

3. A wheel assist brake device according to claim 1, wherein: the middle part of the supporting beam body (18) is provided with a motor protection shell (15), a through motor (16) is arranged inside the motor protection shell (15), an arc-shaped opening (7) corresponding to the through motor (16) is formed in the outer surface of the motor protection shell (15), two ends of an output shaft of the through motor (16) are connected with a rotating shaft (12), the rotating shaft (12) penetrates through the outer side of the supporting beam body (18), a hydraulic telescopic cylinder III (11) is arranged on the rotating shaft (12), a telescopic end of the hydraulic telescopic cylinder III (11) is connected with a fixing sleeve (13), a supporting leg (14) is connected onto the fixing sleeve (13), and a convex rib (28) is arranged on the lower surface of the supporting leg (14).

4. A wheel assist brake device according to claim 3, wherein: the inner side surface of the fixed sleeve (13) is provided with a limiting inner slide way (30), the supporting legs (14) are provided with limiting blocks (31), the limiting blocks (31) are connected with the limiting inner slide way (30) in a sliding mode, a spring II (32) is arranged between the fixed sleeve (13) and the supporting legs (14), the supporting legs (14) are of a convex structure, and grooves corresponding to the spring II (32) are formed in the upper ends of the supporting legs (14).

5. A wheel assist brake device according to claim 1, wherein: l-shaped connecting plates (9) are arranged at four corners of the upper surface of the fixing frame (6), the L-shaped connecting plates (9) are arranged on the outer side of the hydraulic telescopic cylinder I (2), and mounting holes (8) are formed in the upper surface of the L-shaped connecting plates (9).

6. A wheel assist brake device according to claim 1, wherein: the brake disc (26) is provided with heat dissipation holes (27) on the surface, the heat dissipation holes (27) are evenly distributed around the center of the brake disc (26), and the heat dissipation holes (27) are of arc-shaped structures.

7. A wheel assist brake device according to claim 1, wherein: the inner side surface of the fixed frame (6) is provided with a sliding groove (20), the lifting frame (1) is provided with a sliding rail (19) corresponding to the sliding groove (20), and the sliding rail (19) is in sliding connection with the sliding groove (20).

Technical Field

The invention relates to the technical field of wheel braking, in particular to a wheel auxiliary braking device.

Background

Along with the development of science and technology, the braking performance of a vehicle is more and more mature, the better braking performance of the vehicle is a necessary condition for the safety of the vehicle, the vehicle is completely braked by wheel brakes, the larger the contact area between the wheels and the ground is, the better the braking effect is, especially on a lifting vehicle, because the lifting vehicle is large in size and heavy in weight, the lifting vehicle is required to have not only better braking performance but also reliable supporting capacity, especially on rainy and snowy days, the braking capacity of the wheels is greatly reduced, the existing lifting vehicle only brakes by the wheels and cannot meet the use requirement of the lifting vehicle, people usually increase the number of the wheels for auxiliary braking, not only the cost and the weight of the lifting vehicle are increased, but also the braking effect is not ideal, the lifting vehicle lacks a wheel auxiliary braking device, and the lifting vehicle only supports by side supporting legs during lifting, the bottom of frame lacks strutting arrangement, because the atress is uneven, the jack-up vehicle takes place to turn on one's side very easily, lacks wheel auxiliary brake device on the market, and current wheel auxiliary brake device can't satisfy the demand in the in-service use, so urgent need can the modified technique on the market to solve above-mentioned problem.

Disclosure of Invention

The invention aims to overcome the technical problem of the prior art, provides a wheel auxiliary braking device which is novel in structural design, combines auxiliary braking and supporting of wheels, greatly improves the braking capacity of the wheels, improves the safety performance of a crane vehicle, can perform auxiliary supporting on the bottom of the crane vehicle, improves the supporting capacity of the crane vehicle, can be stretched and retracted, is more convenient to use, and can effectively solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a wheel auxiliary braking device comprises a lifting frame, a fixing frame, auxiliary wheels, a supporting beam body and a brake disc, wherein the lifting frame is connected with the fixing frame in a sliding mode, hydraulic telescopic cylinders I are arranged at four corners of the upper surface of the fixing frame, telescopic ends of the hydraulic telescopic cylinders I penetrate below the fixing frame and are connected with the lifting frame, a rotating shaft is arranged on the lifting frame, two ends of the rotating shaft penetrate to the outer side of the lifting frame, the auxiliary wheels are installed at two ends of the rotating shaft, the brake disc is arranged on the rotating shaft, the two brake discs are arranged on the two lifting frames, a fixing shaft is arranged on the lifting frame, a rotating seat corresponding to the brake disc is arranged on the fixing shaft and is rotatably connected with the fixing shaft, a brake pad is arranged on the surface, corresponding to the brake disc, of the rotating shaft, a stress plate is arranged on the lifting frame above the right of the rotating shaft, a hydraulic telescopic cylinder II is arranged on the stress plate, and the telescopic ends of the hydraulic telescopic cylinder II penetrate below the stress plate and are connected with the rotating seat, the supporting beam body is arranged on the lifting frames on two sides of the rotating shaft.

Further, be provided with the support frame on the crane, be provided with the protection casing on the support frame, the protection casing corresponds with brake disc lower part surface, protects the brake disc through the protection casing, rotates and is provided with spring I between seat and the support frame, makes through spring I and rotates the seat and have certain elasticity at the pivoted in-process, avoids brake block and brake disc surface rigid contact, is guaranteeing the effect of brake block braking, reduces the wearing and tearing between brake block and the brake disc, prolongs the life of brake block.

Furthermore, a motor protective shell is arranged in the middle of the supporting beam body, a through motor is arranged in the motor protective shell, an arc-shaped opening corresponding to the through motor is arranged on the outer surface of the motor protective shell, two ends of an output shaft of the through motor are connected with rotating shafts, the support mechanism can be unfolded by driving the rotating shaft to rotate through the through motor, the support mechanism is convenient to hide below the lifting vehicle, the rotating shaft penetrates to the outer side of the support beam body, a hydraulic telescopic cylinder III is arranged on the rotating shaft, the telescopic end of the hydraulic telescopic cylinder III is connected with a fixing sleeve, the fixing sleeve is connected with a support leg, the lower surface of the support leg is provided with a convex rib, through the flexible of hydraulic stretching jar III, can drive the supporting legs and carry out auxiliary stay downwards for jack-up vehicle bearing structure is more firm, convenient operation, and the contact force on protruding muscle increase and ground makes supporting legs support more firm.

Further, the medial surface of fixed cover is provided with spacing inside slide, and the supporting legs is provided with the stopper, stopper and spacing inside slide sliding connection, be provided with spring II between fixed cover and the supporting legs, the supporting legs sets up to convex structure, and the upper end of supporting legs is provided with the recess corresponding with II springs, makes fixed cover and supporting legs have elasticity through spring II, is convenient for adapt to the roadside of unevenness for jack-up vehicle automobile body keep balance improves the practicality of this device.

Furthermore, the four corners of mount upper surface are provided with L shape connecting plate, and L shape connecting plate sets up in the outside of hydraulic telescoping cylinder I, and the upper surface of L shape connecting plate is provided with the mounting hole, can fix this device in the frame below of lifting vehicle through L shape connecting plate, is convenient for install.

Further, the brake disc be provided with the louvre on the surface, the louvre is around the central evenly distributed of brake disc, and the louvre sets up to the arc structure, and when being convenient for brake through the louvre, the heat that brake block and brake disc produced distributes away, improves the effect of braking.

Further, be provided with the spout on the medial surface of mount, be provided with the slide rail corresponding with the spout on the crane, slide rail and spout sliding connection through the cooperation of slide rail and spout for the crane is at the in-process safe and reliable that goes up and down, under the better condition of weather, rises the auxiliary wheel through the crane, and at sleet weather, falls the auxiliary wheel through the crane, and the increase is with the contact force on ground, carries out auxiliary brake, improves the security of jack-up vehicle.

Compared with the prior art, the invention has the beneficial effects that: the wheel auxiliary braking device has the following advantages:

1. the hydraulic telescopic cylinder I is arranged on the lifting device, the lifting frame can be driven to lift through the extension of the hydraulic telescopic cylinder I, the sliding rail is matched with the sliding groove, so that the lifting frame is safe and reliable in the lifting process, the auxiliary wheel is lifted through the lifting frame under the condition of good weather, the auxiliary wheel is lowered through the lifting frame in the weather of rain and snow, the contact force with the ground is increased, auxiliary braking is performed, the safety of a lifting vehicle is improved, the hydraulic telescopic cylinder II is extended to drive the rotating seat to rotate, the brake pad is abutted against the brake disc to brake, the rotating shaft is further prevented from rotating, the auxiliary wheel is braked, and the lifting device can be fixed below the frame of the lifting vehicle through the L-shaped connecting plate and is convenient to install.

2. The lifting vehicle supporting structure is provided with the spring I, the rotating seat has certain elasticity in the rotating process through the spring I, the brake pad is prevented from being in hard contact with the surface of the brake disc, the braking effect of the brake pad is ensured, the abrasion between the brake pad and the brake disc is reduced, the service life of the brake pad is prolonged, the rotating shaft can be driven to rotate through the through motor, the supporting mechanism is unfolded, the supporting mechanism is conveniently hidden below a lifting vehicle, the supporting legs can be driven to downwards support in an auxiliary mode through the extension of the hydraulic telescopic cylinder III, the supporting structure of the lifting vehicle is firmer, the operation is convenient, the contact force between the convex ribs and the ground is increased, and the supporting legs are firmer.

3. The lifting vehicle body is novel in structural design, the auxiliary braking and the supporting of the wheels are combined, the braking capacity of the wheels is greatly improved, the safety performance of the lifting vehicle is improved, meanwhile, the auxiliary supporting of the bottom of the lifting vehicle can be realized, the supporting capacity of the lifting vehicle is improved, the lifting vehicle can be stretched, and the lifting vehicle is more convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 3 is a schematic cross-sectional front view of the present invention;

FIG. 4 is a schematic bottom view of the present invention;

FIG. 5 is a schematic view of the connecting structure of the fixing sleeve and the supporting legs of the present invention;

FIG. 6 is a right view of the structure of the present invention.

In the figure: 1 lifting frame, 2 hydraulic stretching cylinder I, 3 stress plates, 4 hydraulic stretching cylinder II, 5 fixed shafts, 6 fixed frames, 7 arc-shaped openings, 8 mounting holes, 9L-shaped connecting plates, 10 auxiliary wheels, 11 hydraulic stretching cylinder III, 12 rotating shafts, 13 fixed sleeves, 14 supporting legs, 15 motor protective shells, 16 through motors, 17 rotating shafts, 18 supporting beam bodies, 19 sliding rails, 20 sliding grooves, 21 supporting frames, 22 spring I, 23 transverse plates, 24 brake pads, 25 rotating seats, 26 brake discs, 27 heat dissipation holes, 28 convex ribs, 29 protective covers, 30 limiting inner slideways, 31 limiting blocks and 32 spring II.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-6, the present invention provides a technical solution: a wheel auxiliary braking device comprises a lifting frame 1, a fixing frame 6, auxiliary wheels 10, a supporting beam body 18 and a brake disc 26, wherein the lifting frame 1 is connected with the fixing frame 6 in a sliding mode, a sliding groove 20 is formed in the inner side face of the fixing frame 6, a sliding rail 19 corresponding to the sliding groove 20 is arranged on the lifting frame 1, the sliding rail 19 is connected with the sliding groove 20 in a sliding mode, the lifting frame 1 is safe and reliable in the lifting process through the matching of the sliding rail 19 and the sliding groove 20, the auxiliary wheels 10 are lifted through the lifting frame 1 under the condition of good weather, the auxiliary wheels 10 are lowered through the lifting frame 1 in the weather of rain and snow, the contact force between the auxiliary wheels 10 and the ground is increased, auxiliary braking is conducted, the safety of a lifting vehicle is improved, hydraulic telescopic cylinders I2 are arranged at four corners of the upper surface of the fixing frame 6, the telescopic ends of the hydraulic telescopic cylinders I2 penetrate below the fixing frame 6 to be connected with the lifting frame 1, and L-shaped connecting plates 9 are arranged at four corners of the upper surface of the fixing frame 6, the L-shaped connecting plate 9 is arranged at the outer side of the hydraulic telescopic cylinder I2, the upper surface of the L-shaped connecting plate 9 is provided with mounting holes 8, the device can be fixed below a frame of a crane vehicle through the L-shaped connecting plate 9 for convenient installation, the crane 1 is provided with a rotating shaft 17, two ends of the rotating shaft 17 penetrate to the outer side of the crane 1, auxiliary wheels 10 are arranged at two ends of the rotating shaft 17, brake discs 26 are arranged on the rotating shaft 17, two brake discs 26 are arranged, heat dissipation holes 27 are arranged on the surface of each brake disc 26, the heat dissipation holes 27 are uniformly distributed around the center of each brake disc 26, the heat dissipation holes 27 are of an arc structure, when the brake is convenient to brake through the heat dissipation holes 27, heat generated by the brake discs 24 and the brake discs 26 is dissipated, the brake effect is improved, the crane 1 is provided with a fixing shaft 5, the fixing shaft 5 is provided with a rotating seat 25 corresponding to the brake discs 26, the rotating seat 25 is rotatably connected with the fixed shaft 5, the surface of the rotating seat 25 corresponding to the brake disc 26 is provided with a brake pad 24, the lifting frame 1 at the upper right of the rotating shaft 17 is provided with a stress plate 3, the stress plate 3 is provided with a hydraulic telescopic cylinder II 4, the telescopic end of the hydraulic telescopic cylinder II 4 penetrates to the lower part of the stress plate 3 to be connected with the rotating seat 25, the lifting frame 1 is provided with a support frame 21, the support frame 21 is provided with a protective cover 29, the protective cover 29 corresponds to the lower surface of the brake disc 26, the brake disc 26 is protected by the protective cover 29, a spring I22 is arranged between the rotating seat 25 and the support frame 21, the rotating seat 25 has certain elasticity in the rotating process through the spring I22, the hard contact between the surfaces of the brake pad 24 and the brake disc 26 is avoided, the braking effect of the brake pad 24 is ensured, the abrasion between the brake pad 24 and the brake disc 26 is reduced, and the service life of the brake pad 24 is prolonged, the support beam body 18 is arranged on the lifting frame 1 at two sides of the rotating shaft 17, the middle part of the support beam body 18 is provided with a motor protective shell 15, the inside of the motor protective shell 15 is provided with a through motor 16, the outer surface of the motor protective shell 15 is provided with an arc-shaped opening 7 corresponding to the through motor 16, two ends of an output shaft of the through motor 16 are connected with a rotating shaft 12, the rotating shaft 12 can be driven to rotate through the through motor 16 to unfold the support mechanism, the support mechanism is convenient to hide below a crane vehicle, the rotating shaft 12 penetrates to the outer side of the support beam body 18, the rotating shaft 12 is provided with a hydraulic telescopic cylinder III 11, the telescopic end of the hydraulic telescopic cylinder III 11 is connected with a fixed sleeve 13, the fixed sleeve 13 is connected with a support leg 14, the inner side surface of the fixed sleeve 13 is provided with a limit inner slide way 30, the support leg 14 is provided with a limit block 31, and the limit block 31 is connected with the limit inner slide way 30 in a sliding way, the spring II 32 is arranged between the fixed sleeve 13 and the supporting leg 14, the supporting leg 14 is of a convex structure, the upper end of the supporting leg 14 is provided with a groove corresponding to the spring II 32, the fixed sleeve 13 and the supporting leg 14 are elastic through the spring II 32, the lifting vehicle body is kept balanced and the practicability of the device is improved, the lower surface of the supporting leg 14 is provided with the convex rib 28, the supporting leg 14 can be driven to downwards carry out auxiliary support through the extension and retraction of the hydraulic telescopic cylinder III 11, the supporting structure of the lifting vehicle is firmer, the operation is convenient, the contact force between the convex rib 28 and the ground is increased, the supporting of the supporting leg 14 is firmer, the invention has novel structural design, the auxiliary braking and the supporting of the wheel are combined, the braking capacity of the wheel is greatly improved, the safety performance of the lifting vehicle is improved, and the auxiliary supporting can be carried out on the bottom of the lifting vehicle, the supporting capacity of the hoisting vehicle is improved, the hoisting vehicle can stretch out and draw back, and the use is more convenient.

When in use: the device can be fixed below a frame of a crane vehicle through an L-shaped connecting plate 9, the lifting frame 1 can be driven to lift by the extension of the hydraulic telescopic cylinder I2, the matching of the slide rail 19 and the chute 20 ensures that the lifting frame 1 is safe and reliable in the lifting process, under the condition of better weather, the auxiliary wheel 10 is lifted through the lifting frame 1, the auxiliary wheel 10 is lowered through the lifting frame 1 in the rainy and snowy weather, the contact force with the ground is increased, the auxiliary braking is carried out, the safety of the crane vehicle is improved, the hydraulic telescopic cylinder II 4 extends and retracts to drive the rotating seat 25 to rotate, the brake pad 24 is abutted against the brake disc 26 to brake, the rotating shaft 17 is prevented from rotating, the auxiliary wheel 10 is braked, the spring I22 ensures that the rotating seat 25 has certain elasticity in the rotating process, the brake pad 24 is prevented from being in surface rigid contact with the brake disc 26, and the braking effect of the brake pad 24 is ensured, reduce the wearing and tearing between brake block 24 and the brake disc 26, prolong the life of brake block 24, louvre 27 is convenient for when braking, the heat that brake block 24 and brake disc 26 produced distributes away, improve the effect of braking, when carrying out auxiliary stay, can drive pivot 12 through-type motor 16 and rotate, expand supporting mechanism, it hides the below at the jack-up vehicle to be convenient for supporting mechanism, through the flexible of hydraulic stretching jar III 11, can drive supporting legs 14 and carry out auxiliary stay downwards, make jack-up vehicle bearing structure more firm, and convenient for operation, the contact force on protruding muscle 28 increase and ground, make the supporting legs 14 support more firm, make fixed cover 13 and supporting legs 14 have elasticity through spring II 32, be convenient for adapt to the roadside of unevenness, make jack-up vehicle automobile body keep balance, improve the practicality of this device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.