CN216718053U

CN216718053U - Locomotive gray cast iron brake shoe firmness detection device

Info

Publication number: CN216718053U
Application number: CN202123331412.8U
Authority: CN
Inventors: 李元杰; 龚鹏程
Original assignee: Xiangyang Qijingte Mechanical And Electrical Manufacturing Co ltd
Current assignee: Xiangyang Qijingte Mechanical And Electrical Manufacturing Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-06-10
Anticipated expiration: 2031-12-28

Abstract

The utility model relates to a locomotive grey cast iron brake shoe fastness detection device, this fastness detection device include frame, first stand and second stand, and first stand and second stand interval mount are provided with the tight subassembly of clamp from the upper and lower direction tight friction body in the frame on the first stand, are provided with the push down subassembly that from top to bottom promotes the tile back of the body on the second stand. The application has the following expected technical effects: the friction body carries out the centre gripping through clamping component fixedly, and the rethread pushes down the subassembly and applys decurrent pressure for the tile back, and then can detect out whether can separate under certain pressure between friction body and the tile back, and then realize detecting the purpose of locomotive grey cast iron brake shoe fastness, owing to can predetermine the pressure that the subassembly provided of pushing down, so the subassembly is to the pressure of tile back at every turn for fixed value, and the testing result is more standardized and accurate.

Description

Locomotive gray cast iron brake shoe firmness detection device

Technical Field

The utility model belongs to the technical field of cast iron brake shoe check out test set technique and specifically relates to a locomotive grey cast iron brake shoe fastness detection device is related to.

Background

The brake performance of the locomotive is an important factor for determining the safe transportation of the locomotive, in the running process of the locomotive, a part for directly rubbing wheels to stop the locomotive is a brake shoe, the brake shoe is the most critical safety part of the locomotive, and the brake shoe plays a decisive role in the quality of all brake effects.

Brake shoes on the market at present generally include the friction body of the tile back and the grey cast iron material of steel material, and the grey cast iron material high temperature die-casting is on the medial surface of tile back in order to form the friction body. After the brake shoe is produced, generally, a worker is specially arranged to fix the friction body, and then the back of the shoe is knocked by a hammer or other tools to detect whether the connection between the back of the shoe and the friction body is firm, so as to judge whether the product is qualified.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the strength of manually knocking the shoe back is not controllable, too much strength is used sometimes, and too little strength is used sometimes, so that the problem that the detection result does not have too much reference value exists, the quality of the brake shoe is difficult to detect in a standardized and precise mode, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

The application provides a locomotive grey cast iron brake shoe fastness detection device to improve following technical problem: .

The application provides a locomotive grey cast iron brake shoe fastness detection device adopts following technical scheme:

the utility model provides a locomotive grey cast iron brake shoe fastness detection device, locomotive grey cast iron brake shoe include the tile back of the body and the friction piece of grey cast iron material of steel material, and grey cast iron material high temperature die-casting is in order to form the friction piece on the medial surface of tile back of the body, and this fastness detection device includes frame, first stand and second stand, first stand with second stand interval install in the frame, be provided with on the first stand from the upper and lower direction and press from both sides the tight subassembly of clamp of friction piece, be provided with the push-down subassembly that from top to bottom promotes the tile back of the body on the second stand.

Through adopting above-mentioned technical scheme, when detecting locomotive grey cast iron brake shoe, carry out the centre gripping with the friction body through clamping component fixed, the rethread pushes down the subassembly, apply decurrent pressure for the tile back, and then can detect out whether can separate under certain pressure between the friction body and the tile back, and then realize the purpose that detects locomotive grey cast iron brake shoe fastness, owing to can predetermine the pressure that the subassembly provided that pushes down, so the pressure of subassembly to the tile back of the body at every turn pushes down is the fixed value, the testing result is more standardized and accurate.

Optionally, a fixing ring is fixedly arranged on the outer side face of the tile back, the pressing assembly comprises a telescopic power piece and a U-shaped connecting plate, the telescopic power piece is fixedly installed on the second stand column, a telescopic rod of the telescopic power piece is vertically arranged, the U-shaped connecting plate is fixedly installed on a telescopic rod of the telescopic power piece, an opening of the U-shaped connecting plate is arranged downwards, and one side edge of the U-shaped connecting plate is inserted into the fixing ring.

Through adopting above-mentioned technical scheme, flexible power spare during operation can drive the downstream of U-shaped connecting plate, and then can detect out whether can separate under certain pressure between frictional body and the tile back, and then realize detecting the purpose of locomotive grey cast iron brake shoe fastness, the push down subassembly of above-mentioned design, simple structure controls the convenience, and it is convenient to maintain.

Optionally, be provided with first perforation on the solid fixed ring, be provided with the second perforation on the U-shaped connecting plate, the U-shaped connecting plate with connect through the retaining member between the solid fixed ring, the retaining member passes first perforation and second perforation.

Through adopting above-mentioned technical scheme, retaining member cooperation first perforation and the use of second perforation can make to be connected more firmly between solid fixed ring and the U-shaped connecting plate.

Optionally, clamping assembly is including fixed die, removal die and power supply, fixed die is fixed in on the first stand, remove the vertical slip assembly of die in on the first stand, the power supply install in on the first stand, the power supply orders about remove the die and reciprocates, the recess of fixed die with the recess mutual disposition of removal die, the recess of fixed die the recess of removal die all with the shape looks adaptation of friction piece.

Through adopting above-mentioned technical scheme, the power supply can order about between fixed die and the removal die to be close to each other, and then can be stable and firm centre gripping fixed friction body, the tight subassembly of clamp of above-mentioned design, simple structure controls the convenience, and it is convenient to maintain.

Optionally, the power source is adjustable in height relative to the first upright.

Through adopting above-mentioned technical scheme, can adjust the initial distance between fixed die and the removal die to can be used for the friction piece of the different model sizes of centre gripping, application scope is wider.

Optionally, an L-shaped mounting plate is fixed on the first stand column through a locking bolt, the power source is fixedly mounted on the L-shaped mounting plate, and a plurality of threaded holes which are arranged at intervals up and down and used for the threaded assembly of the locking bolt are formed in the first stand column.

Through adopting above-mentioned technical scheme, locking bolt and the cooperation of a plurality of screw hole can ensure firm connection between L shape mounting panel and the first stand, but also can guarantee the height-adjustable of power supply, simple structure and stability.

Optionally, a sliding block is arranged on one side of the movable female die, which is close to the first upright post, and a vertical sliding groove which is assembled with the sliding block in a sliding manner is arranged on the side surface of the first upright post.

Through adopting above-mentioned technical scheme, slider and vertical spout are mutually supported, can make the removal die slide along first stand is stable, and then more firm when centre gripping locomotive ash cast iron brake tile.

Optionally, the fixed female die and the movable female die are both internally provided with electric heating wires.

Through adopting above-mentioned technical scheme, electric heating wire can heat fixed die and removal die to can heat the friction piece of both centre gripping when detecting, with when being used for simulating locomotive grey cast iron brake shoe, the friction piece is because of the fact that the friction and heaies up, and then has promoted the device's testing result indirectly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the friction body is clamped and fixed through the clamping assembly, downward pressure is applied to the tile back through the pressing assembly, whether the friction body and the tile back are separated under certain pressure or not can be detected, and the purpose of detecting the firmness of the locomotive gray cast iron brake shoe is achieved;

2. the electric heating wire can heat the fixed female die and the movable female die, so that friction bodies clamped between the fixed female die and the movable female die can be heated when detection is carried out, the friction bodies are heated due to friction when the friction bodies are used for simulating a locomotive gray cast iron brake shoe, and the detection result of the device is indirectly improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a device for detecting the firmness of a brake shoe made of gray cast iron for a locomotive according to an embodiment of the present application.

FIG. 2 is a schematic structural view of a gray cast iron brake shoe for a locomotive according to an embodiment of the present application.

Description of reference numerals:

101. a friction body; 102. a tile back; 103. a fixing ring; 1031. a first perforation; 1. a frame; 2. a first upright post; 21. a threaded hole; 22. a vertical chute; 3. a second upright post; 4. a clamping assembly; 41. fixing the female die; 42. moving the female die; 421. a slider; 43. a power source; 44. an L-shaped mounting plate; 45. locking the bolt; 46. an electric heating wire; 5. pressing the assembly; 51. a telescopic power member; 52. a U-shaped connecting plate; 521. a second perforation; 53. and a locking member.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

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 one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses locomotive grey cast iron brake shoe fastness detection device. Referring to fig. 1 and 2, a gray cast iron brake shoe for a locomotive includes a shoe back 102 made of steel and a friction body 101 made of gray cast iron, which is high-temperature die-cast on an inner side surface of the shoe back 102 to form the friction body 101.

Locomotive grey cast iron brake shoe fastness detection device includes frame 1, first stand 2 and second stand 3, and first stand 2 and 3 interval installations of second stand are on frame 1, are provided with the tight subassembly 4 of clamp from the upper and lower direction tight friction body 101 on the first stand 2, are provided with the subassembly 5 that pushes down that from top to bottom promotes tile back 102 on the second stand 3.

The fixed solid fixed ring 103 that is provided with of lateral surface of tile back 102, it includes flexible power component 51 and U-shaped connecting plate 52 to push down subassembly 5, flexible power component 51 fixed mounting is on second stand 3, the telescopic link vertical arrangement of flexible power component 51, U-shaped connecting plate 52 fixed mounting is in the telescopic link of flexible power component 51, the opening of U-shaped connecting plate 52 is arranged down, one side of U-shaped connecting plate 52 is pegged graft in solid fixed ring 103, flexible power component 51 is the cylinder, still can be hydro-cylinder or electric putter in other embodiments.

The flexible power part 51 during operation can drive U-shaped connecting plate 52 downstream, and then can detect out whether can separate under certain pressure between friction body 101 and the tile back 102, and then realize the purpose that detects locomotive grey cast iron brake shoe fastness, and the subassembly 5 that pushes down of above-mentioned design, simple structure controls the convenience, and it is convenient to maintain.

The fixing ring 103 is provided with a first through hole 1031, the U-shaped connecting plate 52 is provided with a second through hole 521, the U-shaped connecting plate 52 is connected with the fixing ring 103 through a locking member 53, the locking member 53 passes through the first through hole 1031 and the second through hole 521, and the locking member 53 is a pin shaft and can also be a bolt in other embodiments, the locking member 53 is matched with the first through hole 1031 and the second through hole 521 for use, so that the connection between the fixing ring 103 and the U-shaped connecting plate 52 is firmer.

The clamping assembly 4 comprises a fixed female die 41, a movable female die 42 and a power source 43, the fixed female die 41 is fixed on the first upright post 2, the movable female die 42 is vertically assembled on the first upright post 2 in a sliding manner, the power source 43 is installed on the first upright post 2, the power source 43 drives the movable female die 42 to move up and down, the groove of the fixed female die 41 and the groove of the movable female die 42 are arranged oppositely, the groove of the fixed female die 41 and the groove of the movable female die 42 are matched with the shape of the friction body 101, the power source 43 is an air cylinder, and in other embodiments, the power source can be an oil cylinder or an electric push rod

The power source 43 can drive the fixed female die 41 and the movable female die 42 to be close to each other, so that the friction body 101 can be stably and firmly clamped and fixed.

The height of the power source 43 relative to the first upright 2 is adjustable, and the initial distance between the fixed concave die 41 and the movable concave die 42 can be adjusted, so that the friction body 101 with different models and sizes can be clamped, and the application range is wider.

An L-shaped mounting plate 44 is fixed on the first upright post 2 through a locking bolt 45, a power source 43 is fixedly mounted on the L-shaped mounting plate 44, and a plurality of threaded holes 21 which are arranged at intervals up and down and are used for threaded assembly of the locking bolt 45 are formed in the first upright post 2. The locking bolt 45 is matched with the threaded holes 21, so that firm connection between the L-shaped mounting plate 44 and the first upright post 2 can be ensured, the height of the power source 43 can be adjusted, and the structure is simple and stable.

One side that removes die 42 and be close to first stand 2 is provided with slider 421, and the side of first stand 2 is provided with the vertical chute 22 with slider 421 sliding assembly, and slider 421 and vertical chute 22 mutually support, can make and remove die 42 and stably slide along first stand 2, and then more firm when centre gripping locomotive ash cast iron brake tile.

All be provided with electric heating wire 46 in fixed die 41 and the removal die 42, electric heating wire 46 is snakelike arranging, and electric heating wire 46 can heat fixed die 41 and removal die 42 to can heat the frictional body 101 of both centre gripping when detecting, with when being used for simulating locomotive grey cast iron brake shoe when using, frictional body 101 is because of the fact that the friction rises temperature, and then has promoted the device's testing result indirectly.

The implementation principle of the locomotive gray cast iron brake shoe firmness detection device provided by the embodiment of the application is as follows: when detecting locomotive grey cast iron brake shoe, it is fixed to carry out the centre gripping with friction body 101 through clamping component 4, subassembly 5 is pushed down to the rethread, exert decurrent pressure for tile back 102, and then can detect out whether can separate under certain pressure between friction body 101 and the tile back 102, and then realize the purpose that detects locomotive grey cast iron brake shoe fastness, owing to can predetermine the pressure that subassembly 5 provided that pushes down, so the pressure of subassembly 5 to tile back 102 is the fixed value down at every turn, the testing result is more standardized and accurate.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a locomotive grey cast iron brake shoe fastness detection device, locomotive grey cast iron brake shoe include the tile back of the body (102) of steel material and friction member (101) of grey cast iron material, and grey cast iron material high temperature die-casting is in order to form friction member (101) on the medial surface of tile back of the body (102), its characterized in that, this fastness detection device includes frame (1), first stand (2) and second stand (3), first stand (2) with second stand (3) interval install in on frame (1), be provided with on first stand (2) from the upper and lower direction and press from both sides tight clamping component (4) of friction member (101), be provided with on second stand (3) and push down subassembly (5) of tile back of the body (102) from top to bottom.

2. The device for detecting the firmness of the locomotive gray cast iron brake shoe as claimed in claim 1, wherein: the outer side face of the tile back (102) is fixedly provided with a fixing ring (103), the downward pressing assembly (5) comprises a telescopic power piece (51) and a U-shaped connecting plate (52), the telescopic power piece (51) is fixedly installed on the second upright post (3), a telescopic rod of the telescopic power piece (51) is vertically arranged, the U-shaped connecting plate (52) is fixedly installed on a telescopic rod of the telescopic power piece (51), an opening of the U-shaped connecting plate (52) is arranged downwards, and one side edge of the U-shaped connecting plate (52) is inserted into the fixing ring (103).

3. The locomotive gray cast iron brake shoe firmness detection device according to claim 2, wherein: be provided with first perforation (1031) on solid fixed ring (103), be provided with second perforation (521) on U-shaped connecting plate (52), U-shaped connecting plate (52) with connect through retaining member (53) between solid fixed ring (103), retaining member (53) pass first perforation (1031) and second perforation (521).

4. The device for detecting the firmness of the locomotive gray cast iron brake shoe as claimed in claim 1, wherein: clamping assembly (4) are including fixed die (41), removal die (42) and power supply (43), fixed die (41) are fixed in on first stand (2), remove die (42) vertical sliding assembly in on first stand (2), power supply (43) install in on first stand (2), power supply (43) order about remove die (42) and reciprocate, the recess of fixed die (41) with the recess mutual disposition of removal die (42), the recess of fixed die (41) the recess of removal die (42) all with the shape looks adaptation of friction body (101).

5. The device for detecting the firmness of the locomotive gray cast iron brake shoe as claimed in claim 4, wherein: the height of the power source (43) relative to the first upright (2) is adjustable.

6. The device for detecting the firmness of the locomotive gray cast iron brake shoe as claimed in claim 5, wherein: be fixed with L shape mounting panel (44) through locking bolt (45) on first stand (2), power supply (43) fixed mounting in on L shape mounting panel (44), be provided with a plurality of upper and lower interval arrangements on first stand (2), supply the screw hole (21) of locking bolt (45) screw assembly.

7. The device for detecting the firmness of the locomotive gray cast iron brake shoe as claimed in claim 4, wherein: the movable female die (42) is close to one side of the first upright post (2) and is provided with a sliding block (421), and the side face of the first upright post (2) is provided with a vertical sliding groove (22) assembled with the sliding block (421) in a sliding mode.

8. The device for detecting the firmness of the locomotive gray cast iron brake shoe as claimed in claim 4, wherein: and electric heating wires (46) are arranged in the fixed concave die (41) and the movable concave die (42).