End drilling device for finished bogie frame

Abstract

The utility model discloses a drilling device for the end of a finished bogie framework, and belongs to the technical field of drilling and modification of bogies of railway passenger cars. The magnetic drill fixture is provided with a fixture body, the fixture body is provided with a mounting channel through which a drill bit of a magnetic drill can penetrate, and one side of the fixture body is provided with an adsorption surface used for adsorbing the magnetic drill; the upper pressing plate is fixedly connected to the upper portion of the clamp body, the upper pressing plate and the clamp body form an L-shaped structure, and the inner pressing plate is arranged on the lower portion of the upper pressing plate. The upper pressing plate is connected with the framework through a first connecting piece; the clamp body and the inner pressing plate are connected with the framework through a second connecting piece; wherein the clamp body is provided with a first positioning surface which abuts against the upper surface of the framework on the side of the upper pressing plate, the clamp body is provided with a second positioning surface which abuts against the end face of the framework on the end portion of the framework, and the position of the clamp body on the framework is positioned through the first positioning surface and the second positioning surface. And the production cost can be saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to railcar bogie drilling and modifying technical field, especially a kind of bogie finished product framework end drilling device. BACKGROUND

[0002] At present, in the existing high-speed rail car bogie finished product framework end drilling modification operation, because the size of framework end and the positioning accuracy of framework alignment are higher, it is necessary to remove paint from the alignment positioning point of framework, and use gantry milling machine and special fixture, and process hole after using gantry milling machine alignment positioning. Among them, it takes 2 hours to remove paint from alignment positioning point, 2 hours to clamp and align framework and unload, and 0.5 hours to process. And because gantry milling machine is only set in special machining workshop, so it limits the flexibility of the drilling and modifying operation site and causes framework to be repeatedly shipped in different workshops, so that the finished product framework end drilling process and process are relatively complex.

[0003] Therefore, in view of the above problems, the utility model provides a kind of bogie finished product framework end drilling device which is flexible in drilling and modifying operation site and reduces the repeated transportation of framework in different workshops. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the defects in the prior art, and provides a kind of bogie finished product framework end drilling device which is simple in structure, convenient to use and helpful to save production cost.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The utility model discloses a kind of bogie finished product framework end drilling device, comprising:

[0007] Clamping body, it is provided with the installation passage that magnetic drill drill head can pass through, the clamping body one side has adsorption surface, for adsorbing magnetic drill;And

[0008] Upper pressing plate fixedly connected to the upper part of the clamping body and forming L type structure with the clamping body, inner pressing plate placed in the lower part of the upper pressing plate;

[0009] The upper pressing plate is connected with framework by first connecting piece;

[0010] The clamping body and inner pressing plate are connected with framework by second connecting piece;

[0011] Among them, the first positioning surface that the clamping body is formed with and abuts against the upper surface of framework, the second positioning surface that is formed for abutting against the end surface of framework is formed in the end part of framework, and the position of clamping body on framework is positioned by the first positioning surface and the second positioning surface.

[0012] Further, the drill sleeve is further included, and the mounting channel is embedded with the drill sleeve.

[0013] Further, the drill sleeve is quenched steel sleeve.

[0014] Further, a long circular first mounting hole is formed on the upper pressing plate, and the first connecting piece is mounted in the first mounting hole.

[0015] Further, a boss is formed on the lower surface of the end of the upper pressing plate, and the boss is in contact with the upper surface of the frame.

[0016] Further, a circular second mounting hole is formed on the clamp body, and the second connecting piece is matched with the second mounting hole.

[0017] Further, a U-shaped groove is formed on the inner pressing plate, and the second connecting piece is inserted into the U-shaped groove.

[0018] In the above technical solution, the bogie finished frame end drilling device has the following beneficial effects:

[0019] The clamp body is fixedly connected with the upper pressing plate, and the clamp body and the upper pressing plate are assembled on the frame end in an L-shaped structure. The first positioning surface is formed on the upper part of the clamp body and is in abutment with the upper surface of the frame. The second positioning surface is formed on the side part of the clamp body and is in abutment with the end surface of the frame. The position of the clamp body on the frame end is positioned by the first positioning surface and the second positioning surface. The clamp body is fixedly connected with the frame by the first connecting piece and the second connecting piece. After the device is used, the positioning point is positioned by the structure of the frame end, and the time for removing paint from the positioning point is saved. The frame does not need to be clamped by a special tool on the gantry milling machine, and does not need to be unloaded from the gantry milling machine after being processed. The operation time of each frame is reduced from 4.5 hours to 1 hour. The demand for special processing sites is eliminated, and the operation site is flexible. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0021] Figure 1 is a schematic diagram of the bogie finished frame end drilling device in use according to the present application;

[0022] Figure 2 is a schematic diagram of the bogie finished frame end drilling device in use (without the frame) according to the present application;

[0023] Figure 3 is a main view of a bogie finished product framework end drilling device disclosed by the utility model;

[0024] Figure 4 is a bottom view of a bogie finished product framework end drilling device disclosed by the utility model.

[0025] Mark explanation:

[0026] 1, the clamp body; 101, the first positioning surface; 102, the second positioning surface; 2, the upper pressing plate; 201, the first mounting hole; 202, the boss; 3, the inner pressing plate; 301, the U-shaped groove; 5, the first connecting piece; 6, the second connecting piece; 7, the drill sleeve; 8, the magnetic drill; 801, the drill bit. Specific implementation

[0027] In order to make the technical personnel in the field better understand the technical scheme of the utility model, the utility model will be further introduced in detail in conjunction with the drawings below.

[0028] Referring to Figure 1 As shown in the figure;

[0029] The utility model discloses a bogie finished product framework end drilling device, comprising:

[0030] The clamp body 1 is provided with the installation passage that the drill bit 801 of the magnetic drill 8 can pass through, one side of the clamp body 1 has the adsorption surface for adsorbing the magnetic drill 8; still include the upper pressing plate 2 and the inner pressing plate 3;

[0031] The upper pressing plate 2 is fixedly connected to the upper part of the clamp body 1 and forms the L-shaped structure with the clamp body 1, and the inner pressing plate 3 is arranged at the lower part of the upper pressing plate 2;

[0032] The upper pressing plate 2 is connected with the framework through the first connecting piece 5;

[0033] The clamp body 1 and the inner pressing plate 3 are connected with the framework through the second connecting piece 6; specifically, the first connecting piece 5 and the second connecting piece 6 are both screws;

[0034] Among them, the clamp body 1 is formed with the first positioning surface 101 abutting against the upper surface of the framework on the side of the upper pressing plate 2, and the second positioning surface 102 abutting against the end surface of the framework on the end part of the framework, the position of the clamp body 1 on the framework is positioned through the first positioning surface 101 and the second positioning surface 102, and is fixedly connected with the framework by cooperating the first connecting piece 5 and the second connecting piece 6, so as to be accurately fixed on the end head of the framework to be drilled, and serve as the drilling positioning die and the carrier of the magnetic drill adsorption. The magnetic drill is adsorbed on the device, and the high-precision positioning hole of the device is drilled. Only one person is needed to operate in the operation process, and the processes such as paint removal operation and complex clamping of gantry milling machine are saved.

[0035] Preferably, the device further includes a drill sleeve 7, and the mounting channel of the clamping body 1 is fitted with the drill sleeve 7, which is a hardened steel sleeve.

[0036] Preferably, the upper pressure plate 2 has an elongated oval first mounting hole 201 for mounting the first connector 5, so that the first connector 5 is slidably connected to the upper pressure plate 2, so as to adjust the position of the first connector 5 and facilitate its cooperation with the connecting hole on the frame.

[0037] Preferably, a boss 202 is formed on the lower surface of the end of the upper pressure plate 2, and the boss 202 contacts the upper surface of the frame to support the upper pressure plate 2.

[0038] Preferably, the clamping body 1 has a circular second mounting hole, which cooperates with the second connector 6. The inner pressure plate 3 has a U-shaped groove 301, which is inserted into the second connector 6. The assembly is convenient. During installation, the clamping body 1 and the inner pressure plate 3 cooperate with the second connector 6 to clamp the side wall of the frame.

[0039] In the above technical solution, the present invention provides a drilling device for the end of a finished bogie frame, and its method of use is as follows:

[0040] When using, please refer to Figure 1 As shown, firstly, the upper pressure plate 2 is connected and fixed to the upper cover plate of the frame using the first connector 5. The clamp body 1 and the inner pressure plate 3 are clamped onto the side wall of the frame using the second connector 6. The clamp body 1 is clamped onto the upper cover plate and the end plate of the frame through the upper first positioning surface 101 and the side through the second positioning surface, respectively, and is tightly attached. The positioning sleeve 7 has been embedded in the clamp body 1. Then, the base of the magnetic drill 8 is attracted to the adsorption surface of the clamp body 1. The drill bit 801 is installed, and the working part of the micro-motion magnetic drill is used to make the drill bit 801 extend into the drill sleeve 7 and fix the magnetic drill, thereby completing the positioning of the drill bit on the part of the frame to be drilled. Then, the magnetic drill is started to drill the hole. After drilling, the device is unloaded.

[0041] This device can reduce the time spent on drilling and modifying the ends of the frame, reduce the occupation of high-value equipment such as gantry milling machines, improve the flexibility of site requirements for drilling and modifying the ends of finished frames, and also reduce the repeated transportation of frames between different workshops, thus saving production costs.

[0042] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A truck finished frame end drilling apparatus, characterized by, The utility model relates to a magnetic drill fixing device, including: Clamping body (1) is provided with the installation passageway that magnetic drill (8) drill bit (801) can pass through, clamping body (1) one side has adsorption surface for adsorbing magnetic drill (8); And Upper pressing plate (2) is fixed on the upper portion of clamping body (1) and forms L type configuration with clamping body (1), and inner pressing plate (3) is placed in the lower portion of upper pressing plate (2); The upper pressing plate (2) is connected with the frame through the first connecting piece (5); Clamping body (1) and inner pressing plate (3) are connected with the frame through the second connecting piece (6); 2. The bogie end frame drilling apparatus of claim 1 wherein ； Wherein, the first positioning surface (101) that clamping body (1) is formed with and is located in the upper portion of upper pressing plate (2) and is located in the end portion of frame and forms the second positioning surface (102) for abutting with the end surface of frame.

3. The bogie finished frame end drilling apparatus of claim 1, wherein the frame end drilling apparatus further comprises a frame end drilling apparatus frame. It further includes drill sleeve (7), the installation passageway is embedded with drill sleeve (7), and drill sleeve (7) is quenching steel sleeve. Its characterized in that 4. The bogie finished frame end drilling apparatus of claim 1, wherein the frame end drilling apparatus further comprises a frame end drilling apparatus frame. The upper pressing plate (2) is provided with the first installation hole (201) of long circle on the upper surface, and the first installation hole (201) is used for installing the first connecting piece (5). Its characterized in that 5. The bogie end frame drilling apparatus of claim 1, wherein the bogie end frame drilling apparatus further comprises a bogie end frame support frame. The lower surface of the end of upper pressing plate (2) is formed with the boss (202), and the boss (202) is contacted with the upper surface of frame. Its characterized in that 6. The bogie end frame drilling apparatus of claim 1 wherein ； Clamping body (1) is provided with the second installation hole of circle, and the second installation hole is matched with the second connecting piece (6). The inner pressing plate (3) is provided with the U-shaped groove (301), and the U-shaped groove (301) is inserted with the second connecting piece (6).

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