Efficient finish machining tool for dump truck brake shoe

Abstract

The utility model relates to the technical field of brake shoe clamps, and discloses a dumper brake shoe efficient finish machining tool which comprises a bottom plate and a transverse plate, the transverse plate is arranged above the rear end of the bottom plate, the transverse plate is supported above the bottom plate through supporting rods on the two sides of the bottom of the transverse plate, and electric push rods are vertically fixed to the two sides of the surface of the transverse plate. An iron plate arranged below the transverse plate is transversely fixed to the extending end of the electric push rod, a screw hole is formed in the surface of the side edge of the iron plate, a transverse conductive pressing rod is further arranged on the side edge of the iron plate, and a stud is arranged at the tail end of the conductive pressing rod. According to the technical scheme, the iron plate capable of being driven to ascend and descend is arranged above the bottom plate, the two conductive pressing rods are transversely connected and installed on the side edge of the iron plate, the descending height of the iron plate can be controlled after the cambered surface of the brake shoe faces the front end, and the two conductive pressing rods are used for pressing the side surface above the brake shoe. And the purpose of conveniently clamping and locking the brake shoes of different sizes can be achieved, and therefore efficient welding work can be conveniently carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake shoe clamp technical field, concretely is a kind of self-unloading vehicle brake shoe efficient finish machining frock. BACKGROUND

[0002] Brake shoe is the important part in automobile brake system, shape is similar to half moon, it is generally used in the front disc rear drum brake structure of automobile, also widely used in self-unloading vehicle, it is the support structure of brake shoe, through the force of brake cam or push rod unfolding, press brake drum and brake, when producing and processing, need to carry out welding, usually the mounting plate with mounting hole is welded on the inner side camber surface of brake shoe.

[0003] The frock clamp of prior art is inconvenient for the quick clamping of brake shoe of different sizes to carry out efficient welding work when fixing brake shoe.Therefore, we propose a kind of self-unloading vehicle brake shoe efficient finish machining frock. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of self-unloading vehicle brake shoe efficient finish machining frock, by being set in the upper side of bottom plate the iron plate that can be driven to lift, its side edge transversely be connected with two electrically-conductive pressure rods, brake iron shoe camber can be controlled iron plate height drop down to front end, utilize two electrically-conductive pressure rods and press in the upper side surface of brake shoe, it can realize the purpose of being convenient for the clamping locking of brake shoe of different sizes, to facilitate efficient welding work, solve the problem proposed in background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of self-unloading vehicle brake shoe efficient finish machining frock, including bottom plate and cross plate, the cross plate is placed in the upper side of bottom plate rear end, cross plate is supported by the support rod of its bottom two sides and placed in the upper side of bottom plate;The surface both sides of cross plate are vertically fixed with electric push rod, the protruding end of electric push rod is transversely fixed with the iron plate placed below cross plate, the side surface of iron plate is provided with screw hole, the side of iron plate is also provided with transverse electrically-conductive pressure rod, the end of electrically-conductive pressure rod is provided with stud, electrically-conductive pressure rod is transversely connected in the side of iron plate by the way that stud is screwed into screw hole.

[0006] By adopting the above technical scheme, the inner camber of brake shoe is supported on the surface of bottom plate towards the front end, then the height of iron plate and electrically-conductive pressure rod is controlled electric push rod and is dropped, electrically-conductive pressure rod is pressed in the upper side surface of brake shoe, so that brake shoe is quickly pressed and locked, convenient for the efficient welding processing operation of brake shoe.

[0007] Optionally, electrically-conductive plate is welded and fixed in the surface middle position of iron plate, and the electrically-conductive plate is electrically connected with the iron plate and the electrically-conductive pressure rod.

[0008] By adopting the technical scheme, the electrode of the electric welding machine can be connected to the iron plate through the conductive plate and connected to the brake shoe through the conductive pressure rod.

[0009] Optionally, the conductive plate is provided with a connecting hole in the middle of the surface of the conductive plate.

[0010] By adopting the technical scheme, the electrode wire of the electric welding machine can be connected to the conductive plate through the connecting hole.

[0011] Optionally, the iron plate is provided with a plurality of screw holes, and the plurality of screw holes are evenly distributed on the side surface of the iron plate.

[0012] By adopting the technical scheme, the conductive pressure rod can be disassembled, the interval can be changed, and then the stud is screwed into the required screw hole and locked.

[0013] Optionally, the surface of the bottom plate is fixed with a rubber pad, and the rubber pad is fixed to the surface of the bottom plate in a pasting manner.

[0014] By adopting the technical scheme, when the brake shoe is pressed down, it is in contact with the surface of the rubber pad and is slightly deformed, so that the purpose of closely contacting the lower side surface of the brake shoe is achieved.

[0015] Optionally, the bottom surface of the conductive pressure rod is provided with a flat surface, the flat surface is located directly below the end of the conductive pressure rod away from the iron plate, and the length of the flat surface is half of the total length of the conductive pressure rod.

[0016] By adopting the technical scheme, the conductive pressure rod obtains a larger contact area with the brake shoe through the flat surface at the bottom, so that the pressing and locking are more stable, and a better conductive contact effect is obtained.

[0017] Compared with the prior art, the beneficial effects of the technical scheme of the present application are as follows:

[0018] 1. The technical scheme of the present application is provided with an iron plate which can be driven to rise and fall above the bottom plate, two conductive pressure rods are connected and installed on the side of the iron plate in a transverse manner, the arc surface of the brake shoe can be controlled to be directed to the front end, and then the height of the iron plate is lowered, the two conductive pressure rods are pressed on the upper side surface of the brake shoe, the purpose of conveniently clamping and locking different sizes of brake shoes is achieved, and thus efficient welding work is facilitated.

[0019] 2. The technical scheme of the present application is provided with an iron plate and a conductive pressure rod which can be conductive, a conductive plate is provided above the iron plate, the conductive pressure rod is connected to the electric welding machine, and when the brake shoe is pressed and locked, the conductive pressure rod is quickly connected to the electrode of the electric welding machine.

[0020] 3. The technical scheme of the application is characterized in that the electrically-conductive pressure bars are detachably mounted on the side edges of the iron plate, the spacing of the electrically-conductive pressure bars can be adjusted and changed, and the electrically-conductive pressure bars are more convenient to adapt to brake shoes of different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0021] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, read in conjunction with the accompanying drawings:

[0022] Fig. 1 Figure 1 is a schematic diagram of the overall structure of the high-efficiency finishing tool for the brake shoe of a self-unloading vehicle of the present application;

[0023] Fig. 2 Figure 4 is a schematic diagram of the end structure of the electrically-conductive pressure bar of the high-efficiency finishing tool for the brake shoe of a self-unloading vehicle of the present application.

[0024] In the drawings: 1, base plate; 11, rubber pad; 12, support rod; 2, cross plate; 3, electric push rod; 4, iron plate; 41, screw hole; 42, electrically-conductive plate; 421, connecting hole; 5, electrically-conductive pressure bar; 51, flat surface; 52, stud. DETAILED DESCRIPTION

[0025] Referring to Figs. 1-2 The present application provides a technical scheme: a high-efficiency finishing tool for the brake shoe of a self-unloading vehicle, comprising a base plate 1 and a cross plate 2, the cross plate 2 is arranged above the rear end of the base plate 1, the cross plate 2 is supported above the base plate 1 by the support rods 12 on both sides of the bottom of the cross plate 2, the two support rods 12 are of the same length, so that the cross plate 2 is arranged parallel to the rear end of the base plate 1.

[0026] The surface of the cross plate 2 is vertically fixed with electric push rods 3 on both sides, the extending ends of the electric push rods 3 penetrate downward below the cross plate 2, and the extending ends of the electric push rods 3 are laterally fixed with an iron plate 4 arranged below the cross plate 2, the iron plate 4 is parallel to the cross plate 2, the side surface of the iron plate 4 is provided with screw holes 41, and the side of the iron plate 4 is further provided with electrically-conductive pressure bars 5 transversely, the ends of the electrically-conductive pressure bars 5 are provided with studs 52, the studs 52 are matched with the screw holes 41, the electrically-conductive pressure bars 5 are transversely connected to the side of the iron plate 4 by screwing the studs 52 into the screw holes 41, and the heights of the two electrically-conductive pressure bars 5 are the same and parallel to each other.

[0027] The surface of the base plate 1 is fixed with a rubber pad 11, the rubber pad 11 is fixed to the surface of the base plate 1 by means of adhesion, when locking the brake shoe, the inner arc surface of the brake shoe is directed to the front end, the rubber pad 11 supported on the surface of the base plate 1, then the iron plate 4 and the electrically-conductive pressure bars 5 are lowered in height by controlling the electric push rods 3, so that the bottom of the brake shoe is pressed against the surface of the rubber pad 11, and the electrically-conductive pressure bars 5 are pressed against the upper surface of the brake shoe, thereby achieving the purpose of rapid locking and facilitating welding processing.

[0028] The plurality of screw holes 41 are evenly distributed on the side surface of the iron plate 4, and the conductive pressure rod 5 can be disassembled and changed in pitch, and then the stud 52 is screwed into the required screw hole 41 to lock, and then it can be more suitable for other different size brake shoes.

[0029] The conductive plate 42 is welded and fixed in the middle position of the surface of the iron plate 4, the conductive plate 42 is electrically connected with the iron plate 4 and the conductive pressure rod 5, and the surface of the conductive plate 42 is provided with a connecting hole 421, the connecting hole 421 is located in the middle position of the surface of the conductive plate 42, and the conductive plate 42 is connected to the electrode lead of the electric welding machine through the connecting hole 421, so that the brake shoe locked by the conductive pressure rod 5 can be connected with the electrode of the electric welding machine, and the welding work is facilitated.

[0030] The bottom surface of the conductive pressure rod 5 is provided with a flat surface 51, the flat surface 51 is located directly below the end of the conductive pressure rod 5 away from the iron plate 4, and the length of the flat surface 51 is at least half of the total length of the conductive pressure rod 5, when the brake shoe is locked, the flat surface 51 can obtain a larger contact area with the side surface above the brake shoe, which not only ensures that the brake shoe is locked more firmly, but also ensures that the contact is good and the normal connection with the electrode of the electric welding machine is ensured.

[0031] In use, the electric push rod 3 is connected to the control equipment and connected to the power supply, the inner arc surface of the brake shoe is placed on the rubber pad 11 on the surface of the bottom plate 1 with the front end facing up, then the electric push rod 3 is controlled to lower the height of the iron plate 4, and the conductive pressure rod 5 on both sides is lowered, so that the flat surface 51 at the bottom of the conductive pressure rod 5 is partially pressed on the upper surface of the brake shoe, the bottom of the brake shoe is pressed on the surface of the rubber pad 11, and the brake shoe is quickly pressed and locked, then the mounting plate with mounting holes can be welded on the inner arc surface of the brake shoe, in order to better adapt to brake shoes of different sizes, the conductive pressure rod 5 can be rotated to make the stud 52 unscrewed from the screw hole 41, then the distance between the two conductive pressure rods 5 can be adjusted, and they are screwed into the appropriate screw holes 41 on the side edges of the iron plate 4 for locking use, in order to facilitate the welding work, the positive or negative electrode of the electric welding machine can be connected to the conductive plate 42 through the connecting hole 421 in advance, so that the brake shoe can be connected with the positive or negative electrode of the electric welding machine through the iron plate 4 and the conductive pressure rod 5, and then the welding work can be conveniently carried out by using the welding tongs connected with the negative or positive electrode of the electric welding machine to hold the welding rod.

Claims

1. A high-efficiency finishing tool for a brake shoe of a self-unloading vehicle, comprising a bottom plate (1) and a cross plate (2), characterized in that: The horizontal plate (2) is placed above the rear end of the bottom plate (1), and the horizontal plate (2) is supported above the bottom plate (1) by the support rods (12) on both sides of the bottom of the horizontal plate (2); The surface of the horizontal plate (2) is vertically fixed on both sides with an electric push rod (3), and the extending end of the electric push rod (3) is transversely fixed with an iron plate (4) placed below the horizontal plate (2), the side surface of the iron plate (4) is provided with a screw hole (41), and the side of the iron plate (4) is also provided with a transverse conductive pressure rod (5), the end of the conductive pressure rod (5) is provided with a stud (52), and the conductive pressure rod (5) is transversely connected to the side of the iron plate (4) by screwing the stud (52) into the screw hole (41).

2. The high efficiency finishing tooling for a dumper brake shoe as claimed in claim 1, characterized in that: The surface of the iron plate (4) is welded with a conductive plate (42) at the middle position, and the conductive plate (42) is electrically connected with the iron plate (4) and the conductive pressure rod (5).

3. The high efficiency finishing tooling for a dumper brake shoe as defined in claim 2, characterized in that: The surface of the conductive plate (42) is provided with a connecting hole (421), and the connecting hole (421) is located at the middle position of the surface of the conductive plate (42).

4. The high efficiency finishing tooling for a dumper brake shoe as defined in claim 1, wherein: The screw hole (41) is provided with a plurality of screw holes (41), and the plurality of screw holes (41) are uniformly distributed on the side surface of the iron plate (4).

5. The high efficiency finishing tooling for a dumper brake shoe as defined in claim 1, wherein: The surface of the bottom plate (1) is fixed with a rubber pad (11), and the rubber pad (11) is fixed on the surface of the bottom plate (1) by means of adhesion.

6. The high efficiency finishing tooling for a dumper brake shoe as defined in claim 1 wherein: The bottom surface of the conductive pressure rod (5) is provided with a plane (51), and the plane (51) is located directly below the end of the conductive pressure rod (5) away from the iron plate (4), and the length of the plane (51) is half of the total length of the conductive pressure rod (5).

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