CN215240181U - Heavy-steam brake shoe rounding fastening device - Google Patents

Abstract

The utility model relates to a hoof rounding straining device is braked to heavy vapour, a serial communication port, which comprises a base, the chassis on be provided with the left positioner who is used for fixing a position left side half work piece and be used for fixing a position right positioner of half work piece on the right side, left side half work piece with right side half work piece between be provided with and be used for horizontal take-up the straining device of left side half work piece and right side half work piece, the chassis on be provided with and press from both sides and get the post, the clamp get the outside extension of post axial. The utility model provides a thereby position is adjustable between half work piece on a left side and half work piece on a right side promotes heavy vapour brake shoe rounding straining device of rounding effect.

Description

Heavy-steam brake shoe rounding fastening device

Technical Field

The utility model relates to a brake shoe rounding anchor clamps, especially a heavy vapour brake shoe rounding straining device.

Background

The brake shoe of the axle often has certain error in the process of manufacturing and assembling, and the brake shoe can not be in good surface contact with a brake drum after being installed. Therefore, in order to solve this problem, the brake shoe needs to be rounded before being installed.

In the prior art, the brake shoes are required to be arranged in a clamp on a rounding machine from a production line for rounding. The brake shoe needs to be manually placed into the clamp, so that the labor cost is high. In practical application, each batch of brake shoes usually has a certain error, the excircle of the brake shoe is larger or smaller, the fixed pin shaft can lead to more friction plates with larger excircle to be ground and the friction plates with smaller excircle to be not ground, and the excircle grinding effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses mainly solve the technical problem that has the error to lead to the rounding effect not good that leads to because of the preparation of the brake shoe that prior art exists, thereby provide the heavy vapour brake shoe rounding straining device of the adjustable promotion rounding effect of position between half work piece on the left side and half work piece on the right side.

In order to solve the technical problem the utility model discloses the purpose of realizing the aforesaid utility model, the utility model provides a heavy vapour brake shoe rounding straining device, a serial communication port, which comprises a base, the chassis on be provided with the left positioner who is used for fixing a position left side half work piece and be used for fixing a position right positioner of right half work piece, left side half work piece with right half work piece between be provided with and be used for horizontal take-up the straining device of left side half work piece and right half work piece, the chassis on be provided with the clamp and get the post, the clamp get the outside extension of post axial.

In an embodiment, the left positioning device and the right positioning device are arranged in bilateral symmetry with each other with an arbitrary center line of the chassis as a center, and a projection of the tensioning device on the chassis intersects with the center line.

In an embodiment, the clamping column axis is coincident with the chassis axis.

In an embodiment, the other end of the clamping column connected with the chassis is provided with a clamping groove.

In one embodiment, the left positioning device comprises a left front positioning column and a left rear positioning column, the right positioning device comprises a right front positioning column and a right rear positioning column, the chassis is provided with a positioning hole which is in interference fit with the left front positioning column and the right front positioning column, the left half workpiece is sleeved outside the other end of the left front positioning column connected with the chassis in a use state, the right half workpiece is sleeved outside the other end of the right front positioning column connected with the chassis in a use state, the left rear positioning column and the right rear positioning column are connected with the chassis through a positioning block, the positioning block is provided with a positioning hole which is in interference fit with the left rear positioning column and the right rear positioning column, the left half workpiece is sleeved outside the other end of the left rear positioning column connected with the positioning block in a use state, and in a use state, the right half workpiece is sleeved outside the other end of the right rear positioning column connected with the positioning block.

In an implementation mode, the tensioning device comprises a left support connected with the left half workpiece and a right support connected with the right half workpiece, a connecting rod is arranged between the left support and the right support, the connecting rod is in threaded connection with the left support and the right support, and the spiral direction of the threaded connection of the connecting rod and the left support is opposite to the spiral direction of the threaded connection of the connecting rod and the right support.

In an embodiment, the left bracket comprises a U-shaped connecting frame and a positioning rod, the U-shaped connecting frame is provided with one end of an opening facing the left half-workpiece, the other end of the U-shaped connecting frame is in threaded connection with the connecting rod, the framework part of the left half-workpiece can be arranged along the opening of the U-shaped connecting frame to enter the U-shaped connecting frame, the U-shaped connecting frame is provided with a through hole which is coaxially arranged up and down, the framework part of the left half-workpiece is provided with a middle hole matched with the through hole for use, and one end of the positioning rod passes through the through hole on one side of the U-shaped connecting frame and passes through the middle hole to continue to extend downwards to pass through the through hole on the other side of the U-shaped connecting frame to penetrate out.

In one embodiment, the right support comprises a U-shaped connecting frame and a positioning rod, the U-shaped connecting frame is provided with one end of an opening facing the right half workpiece, the other end of the U-shaped connecting frame is in threaded connection with the connecting rod, the framework part of the right half workpiece can enter the U-shaped connecting frame along the opening of the U-shaped connecting frame, the U-shaped connecting frame is provided with a through hole which is coaxially arranged from top to bottom at one end of the opening, the framework part of the right half workpiece is provided with a middle hole matched with the through hole for use, and when the positioning rod is used, one end of the positioning rod passes through the through hole on one side of the U-shaped connecting frame, penetrates through the middle hole and continues to extend downwards to be penetrated out through the through hole at the other end of the U-shaped connecting frame.

In an implementation mode, cushion blocks are arranged between the chassis and the left half workpiece and between the chassis and the right half workpiece, and the cushion blocks are fixedly connected with the chassis.

In an implementation manner, one end of the positioning rod is coaxially connected with a limiting shaft, and the diameter of the limiting shaft is larger than that of the through hole.

Compared with the prior art, the utility model discloses heavy vapour brake shoe rounding straining device has following beneficial effect:

1. before use, a left half workpiece is sleeved on a left front positioning column and a left rear positioning column respectively to form primary positioning of the left half workpiece, a right half workpiece is sleeved on a right front positioning column and a right rear positioning column respectively to form primary positioning of the right half workpiece, a left support is connected with the left half workpiece, a right support is connected with the right half workpiece, a connecting rod is synchronously rotated, the connecting rod can drive the left support and the right support to be synchronously folded or synchronously unfolded outwards, so that the left half workpiece and the right half workpiece are adjusted to be proper rounding positions by adjusting a gap between the left half workpiece and the right half workpiece, the situation that a brake shoe is in transition rounding or cannot be rounded is avoided, and finally the whole device is placed on a rounding machine for rounding by a mechanical arm clamping column;

2. the axis of the clamping column is superposed with the axis of the chassis, so that the mechanical arm is easier to position in the clamping and placing process;

3. the clamping groove is formed in the other end, connected with the chassis, of the clamping column, so that the whole device is not prone to falling off in the clamping process of the mechanical arm;

4. the left front positioning column and the left rear positioning column are in clearance fit to position the left half-workpiece, so that a certain space for secondary adjustment is reserved while primary positioning is performed on the left half-workpiece, and secondary adjustment of the tensioning device is facilitated;

5. the right front positioning column and the right rear positioning column are in clearance fit to position the right half workpiece, so that a certain secondary adjustment space is reserved while primary positioning is performed on the right half workpiece, and secondary adjustment of the tensioning device is facilitated;

6. the spiral direction of the threaded connection between the connecting rod and the left support is opposite to the spiral direction of the threaded connection between the connecting rod and the right support, so that the distance between the left half workpiece and the right half workpiece is adjusted by the rotation of the connecting rod on the premise that the left support and the left half workpiece are fixed and the right support and the right half workpiece are fixed;

7. cushion blocks are arranged between the chassis and the left half workpiece and between the chassis and the right half workpiece, and the cushion blocks are fixedly connected with the chassis to prevent the workpieces from being abraded due to friction between the workpieces and the chassis during rounding;

8. one end of the positioning rod is coaxially connected with a limiting shaft, and the diameter of the limiting shaft is larger than that of the through hole so as to ensure that the positioning rod is always kept in the positioning rod through the limitation of the limiting shaft after entering the through hole.

Therefore, the utility model has the characteristics of rational structure, convenient use and the like.

Drawings

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

FIG. 2 is a schematic structural diagram of the present invention;

FIG. 3 is a schematic structural view of the tension device of the present invention;

fig. 4 is a top view of the present invention.

The reference numbers in the figures illustrate: 1. a chassis; 2. a left half workpiece; 3. a right half workpiece; 4. a tensioning device; 5. clamping the column; 6. a clamping groove; 7. a left front locating post; 8. a left rear locating post; 9. a right front locating post; 10. a right rear locating post; 11. positioning blocks; 12. a left bracket; 13. a right bracket; 14. A connecting rod; 15. a U-shaped connecting frame; 16. positioning a rod; 17. cushion blocks; 18. a limiting shaft; 19. And a through hole.

Detailed Description

To make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

fig. 1 to 4 show an embodiment of the heavy steam brake shoe rounding fastening device of the present invention. As shown in fig. 1, the brake shoe comprises a chassis 1, wherein a left half workpiece 2 and a right half workpiece 3 of the brake shoe are matched with each other to brake a vehicle, a left positioning device for positioning the left half workpiece 2 and a right positioning device for positioning the right half workpiece 3 are arranged on the chassis 1, the left positioning device and the right positioning device are arranged in bilateral symmetry by taking any center line of the chassis 1 as a center, a tensioning device 4 for transversely tensioning the left half workpiece 2 and the right half workpiece 3 is arranged between the left half workpiece 2 and the right half workpiece 3, the projection of the tensioning device 4 on the chassis 1 is intersected with the center line, the left positioning device and the right positioning device are arranged in bilateral symmetry by taking the center line as a center, and the projection of the tensioning device 4 on the chassis 1 is intersected with the center line, so that the tensioning device 4 can prevent the left half workpiece 2 and the right half workpiece 3 from generating torsion in the tensioning process, chassis 1 is cylindrical chassis 1 and the brake shoe size phase-match behind excircle diameter and the rounding, therefore overspeed device tensioner 4 can use chassis 1 as the reference foundation in taut process, avoid appearing fixed round pin axle will be because of the more or the problem that little friction disc can not grind that the bigger friction disc of excircle ground away can, be provided with on chassis 1 and press from both sides and get post 5, press from both sides 5 axial outside extensions of getting post, wherein press from both sides the other end of getting the convenience and getting post and chassis 1 and be provided with to press from both sides and get groove 6 for robotic arm presss from both sides.

Referring to fig. 1, a cushion block 17 is disposed between the chassis 1 and the left and right half- workpieces 2 and 3, and the cushion block 17 is fixedly connected to the chassis 1 to prevent the workpiece from being abraded due to friction between the workpiece and the chassis 1 during rounding.

Wherein, referring to fig. 2, the left positioning device comprises a left front positioning column 7 and a left rear positioning column 8, the right positioning device comprises a right front positioning column 9 and a right rear positioning column 10, the chassis is provided with positioning holes which are in interference fit with the left front positioning column 7 and the right front positioning column 9, the left half workpiece 2 is sleeved outside the other end of the left front positioning column 7 connected with the chassis 1 in the use state, the right half workpiece 3 is sleeved outside the other end of the right front positioning column 9 connected with the chassis 1 in the use state, the left rear positioning column 8 and the right rear positioning column 10 are connected with the chassis 1 through a positioning block 11, the positioning block 11 is provided with positioning holes which are in interference fit with the left rear positioning column 8 and the right rear positioning column 10, the left half workpiece 2 is sleeved outside the other end of the left rear positioning column 8 connected with the positioning block 11 in the use state, the right half workpiece 3 is sleeved outside the other end of the right rear positioning column 10 connected with the positioning block 11 in the use state, and left front positioning column 7 and left back positioning column 8 form the effect of location to left half work piece 2 through clearance fit and still leave certain secondary adjustment's space when forming preliminary location to left half work piece 2 to make things convenient for overspeed device tensioner 4 to carry out the secondary adjustment, right front positioning column 9 and right back positioning column 10 form the effect of location to right half work piece 3 through clearance fit and still leave certain secondary adjustment space when forming preliminary location to right half work piece 3 simultaneously, thereby make things convenient for overspeed device tensioner 4 to carry out the secondary adjustment.

The specific structure of the tensioning device 4 is shown in fig. 3, and includes a left bracket 12 connected to the left half-workpiece 2 and a right bracket 13 connected to the right half-workpiece 3, a connecting rod 14 is disposed between the left bracket 12 and the right bracket 13, the connecting rod 14 is in threaded connection with the left bracket 12 and the right bracket 13, and a screw direction of the threaded connection between the connecting rod 14 and the left bracket 12 is opposite to a screw direction of the threaded connection between the connecting rod 14 and the right bracket 13, so that the distance between the left half-workpiece 2 and the right half-workpiece 3 is adjusted by rotating the connecting rod 14 on the premise that the left bracket 12 is fixed to the left half-workpiece 2 and the right bracket 13 is fixed to the right half-workpiece 3.

The axis of the gripping column 5 shown in fig. 3 is coincident with the axis of the chassis 1, so that the robot arm can be positioned more easily during the gripping and placing process.

Referring to fig. 4, the left bracket 12 includes a U-shaped connecting frame 15 and a positioning rod 16, the U-shaped connecting frame 15 has an opening with one end facing the left half-workpiece 2, the other end is in threaded connection with the connecting rod 14, the framework of the left half-workpiece 2 can enter the U-shaped connecting frame 15 along the opening of the U-shaped connecting frame 15, the U-shaped connecting frame 15 has an opening with one end coaxially provided with a through hole 19, the framework of the left half-workpiece 2 is provided with a middle hole matched with the through hole 19, when in use, one end of the positioning rod 16 passes through the middle hole through the through hole 19 on one side of the U-shaped connecting frame 15 and continues to extend downwards to pass through the through hole 19 on the other side of the U-shaped connecting frame 15. The right support 13 comprises a U-shaped connecting frame 15 and a positioning rod 16, the U-shaped connecting frame 15 is provided with an opening, one end of the opening faces the right half workpiece 3, the other end of the opening is in threaded connection with the connecting rod 14, the framework part of the right half workpiece 3 can enter the U-shaped connecting frame 15 along the opening of the U-shaped connecting frame 15, the U-shaped connecting frame 15 is provided with a through hole 19, one end of the opening is coaxially provided with a through hole 19, the framework part of the right half workpiece 3 is provided with a middle hole matched with the through hole 19, and one end of the positioning rod 16 penetrates through the middle hole through the through hole 19 on one side of the U-shaped connecting frame 15 and continues to extend downwards to penetrate out of the through hole 19 on the other end of the U-shaped connecting frame 15 during use.

Wherein, locating lever 16 one end coaxial coupling has spacing axle 18, and the diameter of spacing axle 18 is greater than the diameter of through-hole 19 to guarantee that locating lever 16 keeps in locating lever 16 all the time through the spacing of spacing axle 18 after getting into through-hole 19.

The specific using process is as follows:

before use, the left half-workpiece 2 is sleeved on the left front positioning column 7 and the left rear positioning column 8 respectively to form primary positioning of the left half-workpiece 2, then the right half workpiece 3 is respectively sleeved on the right front positioning column 9 and the right rear positioning column 10 to form the preliminary positioning of the right half workpiece 3, then the left bracket 12 is connected with the left half-workpiece 2, the right bracket 13 is connected with the right half-workpiece 3, then, the connecting rod 14 is rotated synchronously, the connecting rod will drive the left bracket 12 and the right bracket 13 to fold synchronously or unfold synchronously outwards, therefore, the left half-workpiece 2 and the right half-workpiece 3 are adjusted to be proper rounding positions by adjusting the gap between the left half-workpiece 2 and the right half-workpiece 3, the condition that the brake shoe is excessively rounded or cannot be rounded is avoided, finally, the whole device is placed on a rounding machine for rounding through a mechanical arm clamping column 5.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The heavy-steam brake shoe rounding and fastening device is characterized by comprising a chassis (1), wherein a left positioning device used for positioning a left half workpiece (2) and a right positioning device used for positioning a right half workpiece (3) are arranged on the chassis (1), a tensioning device (4) used for transversely tensioning the left half workpiece (2) and the right half workpiece (3) is arranged between the left half workpiece (2) and the right half workpiece (3), a clamping column (5) is arranged on the chassis (1), and the clamping column (5) axially extends outwards.

2. The heavy-steam brake shoe rounding fastening device according to claim 1, characterized in that the left positioning means is arranged in bilateral symmetry with the right positioning means centered on an arbitrary center line of the chassis (1), and a projection of the tensioning means (4) on the chassis (1) intersects with the center line.

3. The heavy-steam brake shoe rounding fastening device according to claim 2, characterized in that the axis of the gripping column (5) is arranged coincident with the axis of the chassis (1).

4. The heavy-steam brake shoe rounding fastening device according to claim 3, characterized in that the other end of the clamping column connected to the chassis (1) is provided with a clamping groove (6).

5. The heavy-steam brake shoe rounding fastening device as claimed in claim 4, characterized in that the left positioning device comprises a left front positioning column (7) and a left rear positioning column (8), the right positioning device comprises a right front positioning column (9) and a right rear positioning column (10), the chassis is provided with a positioning hole which is in interference fit with the left front positioning column (7) and the right front positioning column (9), the left half-workpiece (2) is sleeved outside the other end of the left front positioning column (7) connected with the chassis (1) in a use state, the right half-workpiece (3) is sleeved outside the other end of the right front positioning column (9) connected with the chassis (1) in a use state, the left rear positioning column (8) and the right rear positioning column (10) are connected with the chassis (1) through a positioning block (11), the positioning block (11) is provided with a positioning hole which is in interference fit with the left rear positioning column (8) and the right rear positioning column (10), the left half-workpiece (2) is sleeved outside the other end connected with the positioning block (11) of the left rear positioning column (8) in a use state, and the right half-workpiece (3) is sleeved outside the other end connected with the positioning block (11) of the right rear positioning column (10) in a use state.

6. The heavy-air brake shoe rounding fastening device according to claim 5, characterized in that the tensioning device (4) comprises a left bracket (12) connected with the left half-workpiece (2) and a right bracket (13) connected with the right half-workpiece (3), a connecting rod (14) is arranged between the left bracket (12) and the right bracket (13), the connecting rod (14) is in threaded connection with the left bracket (12) and the right bracket (13), and the screw direction of the threaded connection of the connecting rod (14) and the left bracket (12) is opposite to the screw direction of the threaded connection of the connecting rod (14) and the right bracket (13).

7. The heavy-air brake shoe rounding fastening device according to claim 6, characterized in that the left bracket (12) comprises a U-shaped connecting frame (15) and a positioning rod (16), the U-shaped connecting frame (15) is provided with an opening, one end of the opening is arranged towards the left half-workpiece (2), the other end of the opening is in threaded connection with the connecting rod (14), the framework part of the left half-workpiece (2) can enter the U-shaped connecting frame (15) along the opening of the U-shaped connecting frame (15), the U-shaped connecting frame (15) is provided with a through hole (19) which is coaxially arranged up and down at the opening end, the framework part of the left half-workpiece (2) is provided with a middle hole which is matched with the through hole (19), when in use, one end of the positioning rod (16) passes through the through hole (19) at one side of the U-shaped connecting frame (15) and continues to extend downwards from the middle hole (19) at the other side of the U-shaped connecting frame (15) The through hole (19) penetrates out.

8. The heavy-air brake shoe rounding fastening device according to claim 7, characterized in that the right bracket (13) comprises a U-shaped connecting frame (15) and a positioning rod (16), the U-shaped connecting frame (15) has an opening end arranged towards the right half workpiece (3), the other end is in threaded connection with the connecting rod (14), the skeleton part of the right half workpiece (3) can enter the U-shaped connecting frame (15) along the opening of the U-shaped connecting frame (15), the U-shaped connecting frame (15) has an opening end coaxially provided with a through hole (19) up and down, the skeleton part of the right half workpiece (3) is provided with a middle hole matched with the through hole (19), when in use, one end of the positioning rod (16) passes through the through hole (19) on one side of the U-shaped connecting frame (15) and passes through the middle hole and continues to extend downwards from the other end of the U-shaped connecting frame (15) The through hole (19) penetrates out.

9. The heavy-steam brake shoe rounding fastening device according to any one of claims 1 to 8, characterized in that a cushion block (17) is arranged between the chassis (1) and the left half-workpiece (2) and the right half-workpiece (3), and the cushion block (17) is fixedly connected with the chassis (1).

10. The heavy-steam brake shoe rounding fastening device according to claim 7 or 8, characterized in that a limiting shaft (18) is coaxially connected to one end of the positioning rod (16), and the diameter of the limiting shaft (18) is larger than that of the through hole (19).

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