CN217048582U - Auxiliary brake device - Google Patents

Abstract

The utility model discloses an auxiliary brake device, which comprises an installation bin. Hydraulic cylinders are installed at the four corner positions of the inner top of the installation bin, and an output end of the hydraulic cylinder is connected with a first movable plate. The first movable plate Both sides of the bottom are installed with installation plates, and the installation plates penetrate through the installation compartment. In the utility model, a second spring and a movable limit block are arranged in the third installation groove, and a pressing block is arranged on the rotating roller, so that in the process of use, when the rotating roller first contacts the ground, the rotating roller can rotate along with it. , and reciprocatingly squeeze the extrusion block to the inside of the third installation slot to drive the second spring to reciprocately compress, so that the traveling kinetic energy of the vehicle can be consumed, and the vehicle traveling speed can be prevented from being too high when the grounding block is in full contact with the ground. Causes excessive impact, and can ensure the stability of the installation, and at the same time facilitate the operator to separate and disassemble the grounding block and the installation bin for maintenance.

Description

An auxiliary braking device

technical field

The utility model relates to the technical field of vehicle braking devices, in particular to an auxiliary braking device.

Background technique

The braking part of the vehicle is one of the important components of the vehicle, which is directly related to the driving process and safety. At present, the mainstream braking method is generally to realize the braking of the vehicle by clamping the brake disc, but in the actual use process , Only by braking the wheels to realize the braking of the vehicle will cause insufficient friction between the vehicle and the ground, which is prone to slipping and other phenomena. Therefore, auxiliary braking devices have gradually appeared, so as to increase the friction between the vehicle and the ground in time when needed.

The existing auxiliary braking device generally drives the auxiliary part in contact with the ground to move down and contact the ground through a telescopic device such as a hydraulic cylinder, so as to realize the role of auxiliary braking, but in the actual use process, the device is in use. It is inconvenient to further slow down the traveling speed of the vehicle before fully increasing the contact with the ground, so that when the grounded part is in contact with the ground, the impact force on this part is likely to be larger due to the speed of the vehicle, which makes this part easy to use. damage.

Utility model content

The purpose of the utility model is to provide an auxiliary brake device in order to solve the shortcomings existing in the prior art.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

An auxiliary brake device includes an installation bin, and hydraulic cylinders are installed at the four corner positions of the top of the interior of the installation bin, and the output end of the hydraulic cylinder is connected with a first movable plate, and both sides of the bottom of the first movable plate are An installation board is installed, and the installation board penetrates the installation compartment, the outer wall of the installation board is sleeved with a ground block, and the top of the ground block is evenly provided with a screw rod, and the screw rod extends through the ground block to the interior of the installation board, so A protective cap is evenly installed at the bottom of the installation compartment, a first installation slot is evenly opened at the bottom of the grounding block, and a second movable plate is arranged inside the first installation slot, and the second movable plate is in front of the grounding block. A first spring is connected, a U-shaped plate is installed at the bottom of the first spring, and a second installation groove is opened at both ends of the inner side wall of the U-shaped plate, and a rotating roller is installed inside the second installation groove through a bearing , and the outer sides of the rotating roller near both ends are fixed with extrusion blocks, a third mounting groove is reserved on the top of the second mounting groove, and the interior of the third mounting groove is provided with an activity for braking the rotating roller Limiting mechanism.

Preferably, the cross-sectional shape of the mounting plate is a "T" shape, and the mounting plate and the grounding block form a relative sliding structure.

Preferably, the central axis of the screw and the lateral central axis of the grounding block are perpendicular to each other, and the screw is respectively connected with the mounting plate and the grounding block by screw threads.

Preferably, the protective cap and the installation bin are fixedly connected by welding, and the protective cap and the screw rod correspond one-to-one.

Preferably, the movable limit mechanism includes a second spring installed on the top of the third installation groove, and a movable limit block is installed at the bottom end of the second spring.

Preferably, the side cross-sectional shape of the movable limit block is a hexagon, and the movable limit block and the third installation groove form a relative sliding structure.

Compared with the prior art, the utility model has the following beneficial effects:

1. A second spring and a movable limit block are arranged in the third installation groove, and a pressing block is arranged on the rotating roller, so that when the rotating roller first contacts the ground during use, the rotating roller can rotate along with it. The extruding block is reciprocatingly squeezed into the interior of the third installation slot to drive the second spring to reciprocately compress, so that the traveling kinetic energy of the vehicle can be consumed, thereby preventing the vehicle from traveling too fast when the grounding block is in full contact with the ground. Excessive impact.

2. Through the connection of the screw between the grounding block and the mounting plate, the installation bin is provided with a protective cap corresponding to the screw, so that when not in use, the protective cap can protect the screw and limit it. In this way, the screw is easily loosened due to the vibration of the vehicle traveling or rusted due to the erosion of the external environment, so as to ensure the stability of the installation, and at the same time, it is convenient for the operator to separate the ground block and the installation bin for disassembly and maintenance.

Description of drawings

Fig. 1 is the front sectional structure schematic diagram of a kind of auxiliary brake device proposed by the utility model;

Fig. 2 is the enlarged structural schematic diagram of the A place of the utility model Fig. 1;

Fig. 3 is the side view sectional structure schematic diagram of a kind of auxiliary brake device proposed by the utility model;

Fig. 4 is the enlarged structural schematic diagram of the B place of Fig. 3 of the utility model;

Fig. 5 is a side sectional structural schematic diagram of a U-shaped plate of an auxiliary braking device proposed by the utility model;

6 is a schematic three-dimensional structure diagram of a mounting plate of an auxiliary brake device proposed by the present invention.

In the figure: 1 installation bin, 2 hydraulic cylinder, 3 first movable plate, 4 installation plate, 5 grounding block, 6 screw rod, 7 protective cap, 8 first installation slot, 9 second movable plate, 10 first spring, 11U-shaped plate, 12 second installation groove, 13 rotating roller, 14 extrusion block, 15 third installation groove, 16 second spring, 17 movable limit block.

Detailed ways

In order to make the above objects, features and advantages of the present utility model more clearly understood, the specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present utility model can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without violating the connotation of the present utility model. Therefore, the present utility model is not limited by the specific implementation disclosed below. .

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.

1-6, an auxiliary brake device includes an installation bin 1, and a hydraulic cylinder 2 is installed at the four corners of the top of the installation bin 1, and a first movable plate 3 is connected to the output end of the hydraulic cylinder 2. Mounting plates 4 are installed on both sides of the bottom of the movable plate 3, and the mounting plates 4 pass through the mounting compartment 1. The outer wall of the mounting plate 4 is sleeved with a grounding block 5, and the top of the grounding block 5 is evenly provided with a screw 6, and The screw 6 extends through the grounding block 5 to the interior of the mounting plate 4, the cross-sectional shape of the mounting plate 4 is "T" shape, and the mounting plate 4 and the grounding block 5 form a relative sliding structure, so that the operator can release the grounding block 5 and the grounding block 5. After the installation plate 4 is fixedly connected, the grounding block 5 and the components on it can be directly slid down from the installation plate 4, thereby facilitating the operator to carry out disassembly and maintenance;

The central axis of the screw 6 and the lateral central axis of the grounding block 5 are perpendicular to each other, and the screw 6 is connected with the mounting plate 4 and the grounding block 5 by screw threads, so that the operator can screw the screw 6 to the mounting plate 4 and grounding. Block 5 makes a fixed connection or releases a fixed connection;

A protective cap 7 is evenly installed at the bottom of the installation bin 1. The protective cap 7 and the installation bin 1 are fixedly connected by welding, and the protective cap 7 corresponds to the screw 6 one by one, so that when not in use, the protective cap 7 can be sleeved on the screw 6. The end of the screw 6 is limited and fixed while protecting it, so as to ensure the stability of the installation;

The bottom of the grounding block 5 is evenly provided with a first installation slot 8 , and a second movable plate 9 is arranged inside the first installation slot 8 , and a first spring 10 is connected before the second movable plate 9 and the grounding block 5 , A U-shaped plate 11 is installed at the bottom of the first spring 10, and both ends of the inner side wall of the U-shaped plate 11 are provided with second installation grooves 12. The inside of the second installation groove 12 is installed with a rotating roller 13 through a bearing, and the rotating roller 13 are fixed with extruding blocks 14 on the outer sides near both ends, and a third installation groove 15 is reserved on the top of the second installation groove 12, and the inside of the third installation groove 15 is provided with an activity for braking the rotating roller 13. Limiting mechanism, the movable limiting mechanism includes a second spring 16 installed on the inner top of the third installation groove 15, and a movable limiting block 17 is installed at the bottom end of the second spring 16, and the side cross-sectional shape of the movable limiting block 17 is six. The movable limit block 17 and the third installation groove 15 form a relative sliding structure, so that the rotating roller 13 is in contact with the ground and the rotating roller 13 can rotate along with the vehicle during the traveling process, and drive the extrusion block on it. 14 Reciprocately squeeze the movable limit block 17, so that the movable limit block 17 can slide back and forth to the inside of the third installation slot 15, thereby compressing the second spring 16 reciprocally, thereby assisting the consumption of the kinetic energy of the vehicle and further improving the braking effect.

When the utility model is used, as shown in Figures 1-4, the installation bin 1 is installed on the bottom of the vehicle by welding and other methods, and the hydraulic cylinder 2 is electrically connected with the vehicle power supply and the control part. When the braking system is braking, the hydraulic cylinder 2 is controlled to drive the first movable plate 3 to move downward, so that the mounting plate 4 drives the grounding block 5 to move downward. The rotating roller 13 first contacts the ground, and passes through the ground. The friction rotates, so that the pressing block 14 on it intermittently squeezes the hypotenuse part of the movable limit block 17, through the sliding connection between the movable limit block 17 and the third installation groove 15, the second spring 16 Elasticity, so that the movable limit block 17 can be intermittently squeezed into the interior of the third installation groove 15, and the second spring 16 is reciprocatingly compressed, so that the kinetic energy of the vehicle can be consumed at this time, and the traveling speed of the vehicle can be reduced. With the continuous lowering of the grounding block 5, the second movable plate 9 is continuously compressed to the inside of the first installation slot 8 until the bottom of the grounding block 5 is fully attached to the ground, so that the contact surface between the vehicle and the ground can be fully increased. Then complete the auxiliary braking function;

When the grounding block 5 needs to be disassembled and maintained, the hydraulic cylinder 2 is controlled to drive the grounding block 5 to move downward to a certain extent, so that the protective cap 7 is released from the end of the screw 6, and the rotating roller 13 is not in contact with the ground. The fixed connection between the mounting plate 4 and the grounding block 5 is released by twisting the screw 6, and the grounding block 5 is slid down from the mounting plate 4 through the sliding connection between the mounting plate 4 and the grounding block 5 to complete the disassembly. After the maintenance of the block 5 is completed, the grounding block 5 is re-sleeved on the mounting plate 4, and the grounding block 5 and the mounting plate 4 are re-fixed by screwing the screw 6, and the hydraulic cylinder 2 is controlled to drive the first movable plate. 3. The mounting plate 4 and the grounding block 5 move upward until the protective cap 7 is re-sleeved on the end of the corresponding screw 6, thereby ensuring the stability of the installation.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. The utility model provides an auxiliary brake device, includes installation storehouse (1), its characterized in that, the four corners position department at the inside top in installation storehouse (1) all installs pneumatic cylinder (2), and the output of pneumatic cylinder (2) is connected with first fly leaf (3), mounting panel (4) are all installed to the both sides of first fly leaf (3) bottom, and mounting panel (4) run through installation storehouse (1), the outer wall cover of mounting panel (4) is equipped with ground connection piece (5), and the top of ground connection piece (5) evenly is provided with screw rod (6), and screw rod (6) run through ground connection piece (5) and extend to the inside of mounting panel (4), protective cap (7) are evenly installed to the bottom of installation storehouse (1), first mounting groove (8) have evenly been seted up to the bottom of ground connection piece (5), and the inside of first mounting groove (8) is provided with second fly leaf (9), and second fly leaf (9) and ground connection piece (5) are connected with first spring (10) before, U template (11) are installed to the bottom of first spring (10), and second mounting groove (12) have all been seted up at the both ends of U template (11) inside wall, live-rollers (13) are installed through the bearing to the inside of second mounting groove (12), and live-rollers (13) are close to the outside at both ends and all are fixed with extrusion piece (14), the inside top of second mounting groove (12) is reserved has third mounting groove (15), and the inside of third mounting groove (15) is provided with the activity stop gear who is used for braking live-rollers (13).

2. An auxiliary brake device as claimed in claim 1, wherein the mounting plate (4) is "T" shaped in cross-section and the mounting plate (4) and the ground engaging pad (5) are arranged to slide relative to each other.

3. An auxiliary brake device as claimed in claim 1, wherein the central axis of the threaded rod (6) is perpendicular to the transverse central axis of the ground engaging pad (5), and the threaded rod (6) is in threaded connection with the mounting plate (4) and the ground engaging pad (5), respectively.

4. The auxiliary brake device as claimed in claim 1, wherein the protective cap (7) is fixedly connected with the mounting bin (1) by welding, and the protective cap (7) corresponds to the screw (6) one by one.

5. An auxiliary brake device as claimed in claim 1, wherein the movable limiting mechanism comprises a second spring (16) mounted at the top inside the third mounting groove (15), and a movable limiting block (17) is mounted at the bottom end of the second spring (16).

6. An auxiliary brake device as claimed in claim 5, wherein the side cross-sectional shape of the movable limiting block (17) is hexagonal, and the movable limiting block (17) and the third mounting groove (15) form a relative sliding structure.

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