Antenna beam machining clamp

By designing an antenna beam processing fixture containing vertical and horizontal compression devices, the problems of vibration and series movement in antenna beam processing are solved, and the quality and yield of the finished product are improved.

CN222661416UActive Publication Date: 2025-03-25CRRC CHANGCHUN RAILWAY VEHICLES CO LTD
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Patent Information

Application Number
CN202420947297.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2025-03-25
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

During the processing of antenna beams, the prior art is difficult to effectively solve the problems of vibration and series movement, which makes it difficult to ensure the roughness and dimensional tolerance of the processing part, which affects the processing yield rate.

Method used

An antenna beam processing fixture is designed, including a base plate, a first support pad, a second support pad, a vertical pressing device and a horizontal follow-up pressing device. These components provide vertical and horizontal pressing forces and support forces to ensure stable positioning of the antenna beam during processing.

Benefits of technology

It effectively solves the vibration and series problems in antenna beam processing, improves the roughness and dimensional tolerance of the processing part, and ensures the reliability and yield of the finished product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The antenna beam machining clamp comprises a bottom plate, a first supporting base plate and a second supporting base plate, wherein the first supporting base plate and the second supporting base plate are sequentially and fixedly connected to the upper portion of the bottom plate. The vertical pressing device provides vertical pressing force through a first pressing surface; the second supporting base plate is located on the outer side of a tubular beam at the position of an antenna beam signal device installation base and provided with a supporting arm extending upwards, and the supporting arm is provided with a horizontal shape-following pressing device capable of pressing a box beam at the position of an antenna beam framework connection base from the side portion. The horizontal shape-following pressing device provides horizontal pressing force through a second pressing face. The device further comprises a horizontal random supporting seat with a supporting inclined face, the horizontal random supporting seat is fixedly connected to the side, away from the second supporting base plate, of the bottom plate so that horizontal supporting force can be provided for a box beam at the position of an antenna beam framework connecting seat through the supporting inclined face, and the device has the advantages of being stable and reliable in supporting, free of vibration and the like in the antenna beam machining process. Clamping is convenient, and the machining yield is effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of rail transit vehicle component processing tooling, in particular to an antenna beam processing fixture. Background Art

[0002] The antenna beam is an interface conversion component connecting the bogie frame and the signal device. The antenna beam has a special-shaped structure as a whole. Figure 5 As shown, one end (4-hole surface) of the antenna beam is connected to the bogie frame, and the other end (6-hole surface) is connected to the signal device. The relative size of the signal device and other parts on the bogie after installation is guaranteed by controlling the processing size of the antenna beam. At present, the clamping method of vertical pressing with a flat plate is adopted during processing. Due to the special structure of the antenna beam, there are few planes and parts that can be clamped during the processing, and there are vibrations and stringing during the processing. The roughness and size of the processed parts are difficult to guarantee. Utility Model Content

[0003] The purpose of the utility model is to overcome the defects of the prior art and provide an antenna beam processing fixture that can solve the vibration and string movement problems in the processing of antenna beams, make the roughness and dimensional tolerance of the processed parts meet the technical requirements, and improve the processing yield.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The utility model discloses an antenna beam processing fixture, comprising:

[0006] A bottom plate, a first support pad and a second support pad which are sequentially fixedly connected to the upper portion of the bottom plate and are used to support the pipe beam at the antenna beam signal device mounting seat; and

[0007] A vertical clamping device installed on the bottom plate and distributed at both ends of the tube beam at the antenna beam signal device mounting seat, the vertical clamping device vertically clamps the antenna beam through a first clamping surface;

[0008] Wherein, the second support pad is located at the outer side of the tube beam at the antenna beam signal device mounting seat to form an upwardly extending support arm, and the support arm is equipped with a horizontal conforming clamping device that can clamp the box beam at the antenna beam frame connection seat from the side; the horizontal conforming clamping device horizontally clamps the antenna beam through the second clamping surface; and also includes

[0009] A horizontal conformable support seat having a support slope, wherein the bottom plate is fixedly connected with the horizontal conformable support seat on the side away from the second support pad, so as to provide horizontal support force for the box beam at the connection seat of the antenna beam frame through the support slope.

[0010] Furthermore, the first support pad is constructed as a U-shaped support pad with an open top.

[0011] Furthermore, the second support pad is constructed as an L-shaped support pad.

[0012] Furthermore, it also includes support rods distributed on both sides of the first support pad and capable of extending to any height, and the support rods are installed under the base plate corresponding to the antenna beam signal device mounting seat.

[0013] Further, the vertical clamping device includes a tube clamping plate, a first clamping rod penetrating the tube clamping plate, and a nut threadedly connected to the first clamping rod;

[0014] The bottom end of the first pressure rod is fixedly connected to the bottom plate;

[0015] One end of the tube pressure plate has the first pressing surface, which extends into the interior of the tube beam at the antenna beam signal device mounting seat through the first pressing surface and contacts with its inner wall, and the other end contacts with the bottom plate through the pressure plate pad.

[0016] Furthermore, the horizontal conformal pressing device comprises a horizontal conformal pressing plate, a second pressing rod threadedly connected to the horizontal conformal pressing plate, and a nut threadedly connected to the second pressing rod;

[0017] The horizontal profiled pressing plate is formed with an inclined second pressing surface on the side away from the second pressing rod;

[0018] A mounting hole is provided on the support arm of the second support pad, and the second support pad is connected to the second pressure rod through the mounting hole. The second pressure rod is located on the inner side of the support arm and is threadedly connected to the nut.

[0019] In the above technical solution, the utility model provides an antenna beam processing fixture, which has the following beneficial effects:

[0020] Beneficial effect: compared with the prior art, the antenna beam processing fixture no longer uses a flat pressure plate for clamping. Instead, the first support pad and the second support pad are made according to the structural characteristics of the antenna beam to provide conformal support, and cooperate with the tube pressure plate and pressure plate pad at both ends of the tube beam to provide vertical clamping force and supporting force during processing.

[0021] Secondly, in view of the inclined surface formed between the antenna beam frame connection seat and the tube beam, a horizontal conformal pressure plate and a horizontal conformal support seat were made to provide horizontal pressing force and supporting force during processing;

[0022] The antenna beam processing fixture effectively solves the vibration and string movement problems in antenna beam processing through the above structure, so that the roughness and dimensional tolerance of the processed part meet the technical requirements, the positioning is reliable, the clamping is convenient, and the processing yield is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0024] Figure 1 This is an axonometric diagram of an antenna beam processing fixture clamping an antenna beam disclosed in the utility model;

[0025] Figure 2 It is an axonometric diagram of an antenna beam processing fixture disclosed in the utility model in a state where the antenna beam is not clamped;

[0026] Figure 3 This is a front view of an antenna beam processing fixture disclosed in the utility model;

[0027] Figure 4 It is a right view of an antenna beam processing fixture disclosed in the utility model;

[0028] Figure 5 It is an axonometric diagram of an antenna beam in the prior art.

[0029] Description of reference numerals:

[0030] 1. Bottom plate;

[0031] 2. A first supporting pad;

[0032] 3. The second supporting pad;

[0033] 41. tube pressing plate; 411. first pressing surface; 42. first pressing rod; 43. nut; 44. pressing plate pad;

[0034] 5. Support rod;

[0035] 61. horizontal conformable pressing plate; 611. second pressing surface; 62. second pressing rod; 63. nut;

[0036] 7. Horizontal profile support seat; 71. Support slope. DETAILED DESCRIPTION

[0037] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0038] See also Figure 1 , 5 As shown;

[0039] The utility model discloses an antenna beam processing fixture, which is set according to the antenna beam structure, processing position and final product size, and uses the characteristic of small deformation of antenna beam tube to position the tube beam, and makes two different specifications of supporting pads to position the antenna beam. The antenna beam processing fixture includes:

[0040] A bottom plate 1, a first support pad 2 and a second support pad 3 which are sequentially fixed to the upper part of the bottom plate 1 and are used to support the pipe beam at the antenna beam signal device mounting seat; and

[0041] A vertical clamping device 4 is installed on the bottom plate 1 and distributed at both ends of the tube beam at the antenna beam signal device mounting seat. The vertical clamping device 4 vertically clamps the antenna beam through a first clamping surface 411;

[0042] Among them, the second support pad 3 is located at the outer side of the tube beam at the antenna beam signal device installation seat, and an upwardly extending support arm is formed, and the support arm is equipped with a horizontal conforming clamping device 6 that can clamp the box beam at the antenna beam frame connection seat from the side; the horizontal conforming clamping device 6 horizontally clamps the antenna beam through the second clamping surface 611; and also includes

[0043] A horizontal conformable support seat 7 having a support slope 71 is fixedly connected to the side of the bottom plate 1 away from the second support pad 3 so as to provide horizontal support force for the box beam at the connection seat of the antenna beam frame through the support slope 71.

[0044] Preferably, the first support pad 2 is constructed as a U-shaped support pad with an open top.

[0045] Preferably, the second support pad 3 is constructed as an L-shaped support pad.

[0046] For details, see Figure 2-4 As shown, in this structure, the bottom plate 1 horizontally supports the pipe beam at the installation seat of the antenna beam signal device through the first supporting pad 2 and the second supporting pad 3;

[0047] Among them, the pipe beam at the antenna beam signal device installation seat is supported by the first support pad 2, and the side wall of the first support pad 2 is in contact with the shoulder position of the pipe beam, which can limit the axial movement of the pipe beam, and the box beam at the antenna beam frame connection seat is supported by the second support pad 3. At the same time, a horizontal conformal clamping device 6 is installed on the top of the arm of the second support pad 3, and the horizontal conformal clamping device 6 provides a horizontal clamping force for the antenna beam frame connection seat. The base 1 is located at the rear side of the antenna beam frame connection seat and is provided with a horizontal conformal support seat 7. The horizontal conformal support seat 7 conformally supports the antenna beam frame connection seat through a supporting inclined surface 71, thereby cooperating with the horizontal conformal clamping device 6 to provide a reaction force of the clamping force;

[0048] Secondly, according to the inner hole size of the pipe beam supporting the antenna beam signal device mounting seat, vertical clamping devices 4 are arranged at both ends of the pipe beam. The vertical clamping devices 4 cooperate with the first supporting pad 2 to provide vertical clamping force and supporting force during processing.

[0049] See also Figure 3 , 4 As shown,

[0050] Preferably, the fixture further includes support rods 5 distributed on both sides of the first support pad 2 and capable of being raised and lowered, and the bottom plate 1 is provided with support rods 5 below the base plate of the antenna beam signal device mounting seat. Specifically, the support rods 5 are support bolts, and the bottom plate 1 is provided with through holes threadedly connected to the support bolts. In other words, the bottom of the antenna beam signal device mounting seat uses the support rods 5 to provide an upward supporting force according to the distance from the bottom plate 1 and the bottom of the mounting seat;

[0051] See also Figure 4 As shown:

[0052] Preferably, the vertical pressing device 4 includes a tube pressing plate 41, a first pressing rod 42 penetrating the tube pressing plate 41, and a nut 43 threadedly connected to the first pressing rod 42;

[0053] The bottom end of the first pressure rod 42 is fixedly connected to the bottom plate 1;

[0054] One end of the tube clamp 41 has a first clamping surface 411, which is an arc surface. The first clamping surface 411 extends into the interior of the tube beam at the antenna beam signal device mounting seat and contacts the inner wall thereof. The other end contacts the bottom plate 1 through the clamp pad 44, and the clamp pad 44 provides support force for the tube clamp 41.

[0055] Specifically, the two ends of the bottom plate 1 are fixedly connected with a first pressure rod 42, which is a screw rod. The tube pressing plate 41 is provided with a through hole through which the first pressure rod 42 can pass. The first pressure rod 42 is located on the upper part of the tube pressing plate 41 and is threadedly connected with a nut 43. The nut 43 provides a clamping force. One end of the tube pressing plate 41 contacts the inner wall of the tube beam at the antenna beam signal device mounting seat through the first clamping surface 411, and the other end contacts the bottom plate 1 through the pressure plate pad 44.

[0056] See also Figure 4 As shown:

[0057] Preferably, the horizontal conforming pressing device 6 comprises a horizontal conforming pressing plate 61, a second pressing rod 62 threadedly connected to the horizontal conforming pressing plate 61, and a nut 63 threadedly connected to the second pressing rod 62;

[0058] The horizontal conformable pressing plate 61 is formed with an inclined second pressing surface 611 on the side away from the second pressing rod 62;

[0059] A mounting hole is provided on the support arm of the second support pad 3 , and is connected to the second pressure rod 62 through the mounting hole. The second pressure rod 62 is located at the inner side of the support arm and is threadedly connected to a nut 63 .

[0060] Specifically, an inclined second pressing surface 611 is formed on one side of the horizontal conformal pressing plate 61, and the second pressing surface 611 is in conformal contact with the box beam at the connection seat of the antenna beam frame. A second pressing rod 62 is threadedly connected on the other side. The second pressing rod 62 passes through the support arm of the second support pad 3, and provides a pressing force through a nut 63 on the inner side of the support arm, so that the second pressing rod 62 provides a horizontal supporting force to press the box beam at the connection seat of the antenna beam frame.

[0061] In the above technical solution, the utility model provides an antenna beam processing fixture;

[0062] Directions:

[0063] First, place the pipe beam at the antenna beam signal device mounting seat on the first support pad 2 and the second support pad 3, the lower part of the box beam at the antenna beam frame connection seat contacts the support inclined surface 71 of the horizontal conformal support seat 7, adjust the second pressing rod 62, the horizontal conformal pressing plate 61 contacts the upper part of the box beam at the antenna beam frame connection seat through the second pressing surface 611, adjust the extension height of the support rod 5 to make it contact with the bottom of the antenna beam signal device mounting seat, and complete the positioning of the antenna beam;

[0064] Secondly, the tube pressing plate 41 is placed inside the tube beam and contacts the inside of the tube beam through the first pressing surface 411, the nut 43 is rotated to vertically press the antenna beam through the tube pressing plate 41, and the nut 63 is rotated to horizontally press the antenna beam through the horizontal conformal pressing plate 61 to complete the clamping work;

[0065] Beneficial effect: compared with the prior art, the antenna beam processing fixture no longer uses a flat pressure plate for clamping. Instead, the first support pad 2 and the second support pad 3 are made according to the structural characteristics of the antenna beam to provide conformal support, and cooperate with the tube pressure plate 41 and the pressure plate pad 44 at both ends of the tube beam to provide vertical clamping force and supporting force during processing.

[0066] Secondly, a horizontal conformal pressing plate 61 and a horizontal conformal supporting seat are made for the inclined surface formed between the antenna beam frame connecting seat and the tube beam to provide horizontal pressing force and supporting force during processing;

[0067] The antenna beam processing fixture effectively solves the vibration and string movement problems in antenna beam processing through the above structure, so that the roughness and dimensional tolerance of the processed part meet the technical requirements, the positioning is reliable, the clamping is convenient, and the processing yield is effectively improved.

[0068] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that 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. An antenna beam processing fixture, characterized in that: include: A base plate (1), a first support pad (2) and a second support pad (3) sequentially fixed to the upper part of the base plate (1) for supporting the pipe beam at the antenna beam signal device mounting seat; and A vertical clamping device (4) installed on the bottom plate (1) and distributed at both ends of the tube beam at the antenna beam signal device mounting seat, the vertical clamping device (4) vertically clamps the antenna beam via a first clamping surface (411); The second support pad (3) is located on the outer side of the tube beam at the antenna beam signal device mounting seat and is formed with an upwardly extending support arm, the support arm is equipped with a horizontal conforming clamping device (6) capable of clamping the box beam at the antenna beam frame connection seat from the side, and the horizontal conforming clamping device (6) clamps the antenna beam horizontally via a second clamping surface (611); and A horizontal conformable support seat (7) having a support inclined surface (71), the bottom plate (1) being fixedly connected to the horizontal conformable support seat (7) on the side away from the second support pad (3), so as to provide horizontal support force for the box beam at the antenna beam frame connection seat portion through the support inclined surface (71).

2. The antenna beam processing fixture according to claim 1, characterized in that ； The first support pad (2) is structured as a U-shaped support pad with an open top.

3. The antenna beam processing fixture according to claim 1, characterized in that ； The second supporting pad (3) is constructed as an L-shaped supporting pad.

4. The antenna beam processing fixture according to claim 1, characterized in that ； It also includes support rods (5) distributed on both sides of the first support pad (2) and capable of extending to any height, and the support rods (5) are installed below the base plate (1) corresponding to the antenna beam signal device mounting seat.

5. An antenna beam processing fixture according to any one of claims 1 to 4, characterized in that ； The vertical pressing device (4) comprises a tube pressing plate (41), a first pressing rod (42) penetrating the tube pressing plate (41), and a nut (43) threadedly connected to the first pressing rod (42); The bottom end of the first pressure rod (42) is fixedly connected to the bottom plate (1); One end of the tube pressing plate (41) has the first pressing surface (411), which extends into the interior of the tube beam at the antenna beam signal device mounting seat through the first pressing surface (411) and contacts the inner wall thereof, and the other end contacts the bottom plate (1) through the pressing plate pad (44).

6. An antenna beam processing fixture according to any one of claims 1 to 4, characterized in that ； The horizontal conformable pressing device (6) comprises a horizontal conformable pressing plate (61), a second pressing rod (62) threadedly connected to the horizontal conformable pressing plate (61), and a nut (63) threadedly connected to the second pressing rod (62); The horizontal profiled pressing plate (61) is formed with an inclined second pressing surface (611) on the side away from the second pressing rod (62); The support arm of the second support pad (3) is provided with a mounting hole, through which the second pressure rod (62) is connected, and the second pressure rod (62) is located on the inner side of the support arm and is threadedly connected to the nut (63).