CN112431871A

CN112431871A - Unpowered mobile device braking device

Info

Publication number: CN112431871A
Application number: CN202011307562.2A
Authority: CN
Inventors: 李飞飞; 吴宝游; 徐嵩
Original assignee: China Railway Electrification Engineering Group Co Ltd
Current assignee: China Railway Electrification Engineering Group Co Ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-03-02

Abstract

The invention discloses a brake device of unpowered mobile equipment, which comprises: brake disc, locking piece and unlocking piece; the brake disc is connected with the wheel body fastening of mobile device, the locking piece with the mobile device rotates and is connected, the locking piece with be provided with reset spring between the mobile device, through the unlocking piece exerts external force to the locking piece and makes the locking piece overcome reset spring's elasticity in order to release the brake disc. The beneficial effects of the above technical scheme are: the locking piece that sets up keeps the normal locking state with the brake disc under the condition that does not have external force input for the mobile device can be in the braking state automatically when not using, and is safer. When needs use mobile device, can make wheel body free rotation through unlocking piece unblock brake disc, the brake disc of setting can rotate along with the rotation of wheel body, can brake immediately removing the external force of applying to unlocking piece, greatly reduced the operating procedure and the degree of difficulty of braking.

Description

Unpowered mobile device braking device

Technical Field

The invention relates to the technical field of braking devices, in particular to a braking device of unpowered mobile equipment.

Background

In production life, small-sized mobile devices are often used to carry materials or people, such as flat cars, mobile staircases or rail trolleys used on railways. These mobile devices often require manual power and are not very fast. But the situation that the vehicle needs to be braked immediately or the danger is avoided urgently is often met when the vehicle is used, so that the situations of collision, vehicle sliding, backward sliding and the like are avoided. The brakes adopted in the prior art are mostly braked in a manner of stepping on by feet or pinching by hands. Although this type of brake can perform a braking function, since the brake operating portion is small, there is a risk that an operator cannot apply force to the brake operating portion for the first time when using the brake.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the unpowered mobile equipment braking device, which adopts a normally closed mode to ensure the timeliness and reliability of braking and ensure the safety of using mobile equipment.

The invention provides a technical scheme that: an unpowered mobile device braking apparatus comprising: brake disc, locking piece and unlocking piece;

the brake disc is connected with mobile device's wheel body fastening, the locking piece with mobile device rotates and is connected, the locking piece with be provided with reset spring between the mobile device, the one end of locking piece is near under reset spring's effect the brake disc, the locking piece near the one end of brake disc is provided with joint spare, the other end activity of locking piece and not break away from with the piece that unlocks is connected, when mobile device need advance, through the piece that unlocks exerts external force to the locking piece and makes the locking piece overcome reset spring's elasticity in order to release the brake disc.

The beneficial effects of the above technical scheme are: the locking piece that sets up keeps the normal locking state with the brake disc under the condition that does not have external force input for the mobile device can be in the braking state automatically when not using, and is safer. When needs use mobile device, can make wheel body free rotation through unlocking piece unblock brake disc, the brake disc of setting can rotate along with the rotation of wheel body, can brake immediately removing the external force of applying to unlocking piece, greatly reduced the operating procedure and the degree of difficulty of braking.

Furthermore, the brake disc is the fluted disc, the tooth's socket of fluted disc with joint spare phase-match. The fluted disc has continuous tooth's socket for in the joint spare can block into the fluted disc in very little displacement, and then can block the dead wheel body in time when making the brake.

Furthermore, the locking piece is a flat rod piece, and the clamping piece is a clamping hook protruding out of the rod piece. The clamping hook can extend into the tooth groove to prevent the fluted disc from further rotating, and then the braking of the wheel body is realized.

Furthermore, the unlocking piece is an operating rod, the end part of the operating rod is provided with an installation fork corresponding to the rod piece, and a rotating pin connected with the rod piece is arranged in the installation fork.

Further, the bottom of mobile device is provided with the installation the brake support of locking piece, be provided with the rotation hole on the brake support, it connects to rotate downthehole being provided with the round pin axle of locking piece.

Further, reset spring includes pressure spring and extension spring, pressure spring and extension spring respectively by the locking piece extends to opposite direction's both sides and with mobile device is fixed, the tie point of pressure spring and extension spring on the locking piece all is located between round pin axle and the unlocking piece. The pressure spring and the tension spring can exert elasticity on the locking piece when unlocking and locking, so that the locking piece can be forcefully clamped into the fluted disc when the unlocking piece removes external force.

Further, the joint spare is located the top of brake disc, the extension spring set up in the locking piece with between the bottom of mobile device, the bottom of mobile device still corresponds the pressure spring is provided with the spring mount pad, the spring mount pad by the mobile device extends to the below of locking piece.

Further, the spring mounting seat includes with mobile device fastening connection's curb plate, the curb plate has two, two the curb plate set up respectively in the both sides of joint spare, the bottom mounting of curb plate is provided with the bottom plate, be provided with the solid fixed cylinder that is used for placing the pressure spring on the bottom plate, leave the confession between the top of solid fixed cylinder and the bottom of mobile device the space that joint spare removed.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a side view of an embodiment of the present invention on a mobile device;

FIG. 2 is a front view of an embodiment of the present invention on a mobile device;

FIG. 3 is an enlarged partial schematic view of FIG. 1;

FIG. 4 is a cross-sectional view of a wheel body with a brake disk according to an embodiment of the present invention;

FIG. 5 is a side view of a wheel body and brake disk according to an embodiment of the present invention.

Reference numerals: the brake device comprises a moving device 100, a brake support 110, a locking piece 200, a pressure spring 210, a spring mounting seat 220, a bottom plate 221, a side plate 222, a fixed cylinder 223, a tension spring 230, a brake disc 300, an unlocking piece 400 and a wheel body 500.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

As shown in fig. 1-5, the present embodiment provides an unpowered mobile device braking device comprising: a brake disc 300, a locking member 200, and an unlocking member 400;

the brake disc 300 is fastened with the wheel body 500 of the mobile device 100, the locking member 200 is rotatably connected with the mobile device 100, a return spring is arranged between the locking member 200 and the mobile device 100, one end of the locking member 200 abuts against the brake disc 300 under the action of the return spring, one end of the locking member 200 abutting against the brake disc 300 is provided with a clamping member, the other end of the locking member 200 is movably connected with the unlocking member 400 without being separated, and when the mobile device 100 needs to travel, external force is applied to the locking member 200 through the unlocking member 400, so that the locking member 200 overcomes the elastic force of the return spring to release the brake disc 300.

The locking member 200 is provided to maintain a normally locked state with the brake disc 300 without an external force input, so that the mobile device 100 can be automatically in a braking state when not in use, and is more safe. When the mobile device 100 needs to be used, the wheel body 500 can rotate freely by unlocking the brake disc 300 through the unlocking piece 400, the arranged brake disc 300 can rotate along with the rotation of the wheel body 500, and the brake can be performed immediately after the external force applied to the unlocking piece 400 is removed, so that the operation steps and the difficulty of braking are greatly reduced.

In order to ensure the smoothness of the brake disc 300 during braking, the brake disc 300 is a toothed disc, and the tooth grooves of the toothed disc are matched with the clamping pieces. The fluted disc has continuous tooth's socket for in the joint spare can block into the fluted disc in very little displacement, and then can block dead wheel body 500 in time when making the brake. The preferred number of teeth in the fluted disc of this embodiment is 12, the width of the teeth is 25mm, the thickness of the teeth is 16mm, the diameter of the addendum circle is phi 180, and the diameter of the dedendum circle is phi 150.

The locking member 200 is a flat rod member, and the clamping member is a hook protruding from the rod member. The hooks can extend into the tooth grooves to prevent the fluted disc from further rotating, and then braking of the wheel body 500 is achieved. The unlocking member 400 is an operating rod, the end of the operating rod is provided with an installation fork corresponding to the rod, and a rotating pin connected with the rod is arranged in the installation fork.

For the effective installation of the locking member 200, the bottom of the mobile device 100 is provided with a brake support 110 for installing the locking member 200, the brake support 110 is provided with a rotating hole, and the rotating hole is internally provided with a pin shaft for connecting the locking member 200.

In order to ensure the reciprocating (locking and unlocking) movement of the locking member 200, the reset spring comprises a pressure spring 210 and a tension spring 230, the pressure spring 210 and the tension spring 230 are both made of manganese steel materials, the pressure spring 210 and the tension spring 230 are respectively made of manganese steel materials, the locking member 200 extends towards two opposite sides and is fixed with the mobile device 100, and the connection points of the pressure spring 210 and the tension spring 230 on the locking member 200 are both positioned between the pin shaft and the unlocking member 400. The compression spring 210 and the tension spring 230 can apply elastic force to the locking member 200 when unlocking and locking, so that the locking member 200 can be forcefully clamped into the toothed disc when the unlocking member 400 removes the external force.

As a preferred embodiment, the clamping member is located above the brake disc 300, the tension spring 230 is disposed between the locking member 200 and the bottom of the mobile device 100, the bottom of the mobile device 100 is further provided with a spring mounting seat 220 corresponding to the compression spring 210, and the spring mounting seat 220 extends from the mobile device 100 to below the locking member 200. The unlocking member 400 needs to be pressed downward when unlocking. The spring mount 220 and the brake spider 110 are made of Q235A material.

In order to fix the pressure spring 210 and not interfere with the unlocking member 400, the spring mounting base 220 includes two side plates 222 fastened to the mobile device 100, the two side plates 222 are respectively disposed on two sides of the clamping member, a bottom plate 221 is fixedly disposed at the bottom end of each side plate 222, a fixing cylinder 223 for placing the pressure spring 210 is disposed on the bottom plate 221, and a space for the clamping member to move is reserved between the top end of the fixing cylinder 223 and the bottom of the mobile device 100.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of description only and is not intended to be interpreted as indicating or implying any relative importance or implicit indication of the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral combinations thereof; may be an electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. An unpowered mobile device braking apparatus, comprising: a brake disc (300), a locking member (200), and an unlocking member (400);

the brake disc (300) is fixedly connected with a wheel body (500) of a mobile device (100), the locking piece (200) is rotatably connected with the mobile device (100), a return spring is arranged between the locking piece (200) and the mobile device (100), one end of the locking piece (200) abuts against the brake disc (300) under the action of the return spring, a clamping piece is arranged at one end of the locking piece (200) abutting against the brake disc (300), the other end of the locking piece (200) is movably connected with the unlocking piece (400) without being separated, and when the mobile device (100) needs to travel, external force is applied to the locking piece (200) through the unlocking piece (400) so that the locking piece (200) overcomes the elastic force of the return spring to release the brake disc (300).

2. The brake device for the unpowered mobile device as recited in claim 1, wherein the brake disc (300) is a toothed disc, and a toothed groove of the toothed disc is matched with the clamping member.

3. The unpowered mobile device braking apparatus of claim 2, wherein the locking member (200) is a flat bar and the catch is a hook projecting from the bar.

4. The unpowered mobile device braking apparatus of claim 3, wherein the unlocking element (400) is a lever having a mounting fork at an end thereof corresponding to the lever, the mounting fork having a pivot pin therein to which the lever is connected.

5. The brake device of claim 1, wherein the bottom of the mobile device (100) is provided with a brake support (110) for mounting the locking member (200), the brake support (110) is provided with a rotating hole, and the rotating hole is internally provided with a pin shaft for connecting the locking member (200).

6. The unpowered moving device braking device according to claim 5, wherein the return spring comprises a compression spring (210) and a tension spring (230), the compression spring (210) and the tension spring (230) are respectively extended from the locking member (200) to two opposite sides and fixed to the moving device (100), and connection points of the compression spring (210) and the tension spring (230) on the locking member (200) are located between the pin and the unlocking member (400).

7. The unpowered mobile device braking apparatus according to claim 6, wherein the clamping member is located above the brake disc (300), the tension spring (230) is disposed between the locking member (200) and the bottom of the mobile device (100), the bottom of the mobile device (100) is further provided with a spring mounting seat (220) corresponding to the compression spring (210), and the spring mounting seat (220) extends from the mobile device (100) to below the locking member (200).

8. The unpowered mobile device braking apparatus according to claim 7, wherein the spring mounting seat (220) includes two side plates (222) fastened to the mobile device (100), the two side plates (222) are respectively disposed on two sides of the clamping member, a bottom plate (221) is fixedly disposed at a bottom end of each side plate (222), a fixing cylinder (223) for placing the pressure spring (210) is disposed on the bottom plate (221), and a space for the clamping member to move is reserved between a top end of the fixing cylinder (223) and a bottom of the mobile device (100).