A bottom beam assembly tool platform for a CNG gas tank frame

CN224688367UActive Publication Date: 2026-08-28HUBEI JUXI AUTOMOBILE TECH CO LTD
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Patent Information

Application Number
CN202522247053.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-24
Publication Date
2026-08-28
Estimated Expiration
2035-10-24

AI Technical Summary

Technical Problem

[0002]当前车用CNG气瓶框架总成中,气瓶下托架与底梁通常采用分段式加工与组装方式,这种设计导致整体结构尺寸精度要求较高,且多段式构件间存在大量焊接工序

Benefits of technology

本实用新型主要用于气瓶下托架与底梁的精确装配,显著提高了结构装配效率。在装配及焊接过程中,有效保障了分段式焊接结构设计的产品质量和可靠性,大大降低了安全隐患。同时,该工装平台实现气瓶下托架与底梁的调平,保证了装配精度,使得生产工艺更加简单,生产效率显著提高,降低了制造成本,更加符合客户对轻量化和低成本的需求。

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Abstract

The utility model discloses a bottom beam assembly tool platform for CNG gas cabinet frame relates to the field of automobile manufacturing technology, it includes mesa, is provided with a plurality of backing plate, a plurality of end positioning mechanism, a plurality of side positioning mechanism, a plurality of pressure mechanism, a plurality of positioning bolt and a plurality of side abutting mechanism on the mesa, the backing plate is used for supporting the bottom of work piece, the end positioning mechanism is used for holding the end of work piece, the side positioning mechanism is used for holding the side of work piece, the pressure mechanism is used for pressing work piece, the positioning bolt is used for inserting into the through -hole of work piece side corresponding and fixes work piece, the side abutting mechanism is used for abutting tightly another side of work piece, and cooperation side positioning mechanism clamps work piece, the utility model makes production technology more simple, and production efficiency is improved obviously, has reduced manufacturing cost, and more conforms to the demand of customer to light weight and low cost.
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Description

Technical Field

[0001] This utility model relates to the field of automobile manufacturing technology, specifically a bottom beam assembly tooling platform for CNG gas holder frames. Background Technology

[0002] In current automotive CNG cylinder frame assemblies, the lower cylinder bracket and bottom beam are typically manufactured and assembled in sections. This design results in high requirements for overall structural dimensional accuracy, and numerous welding processes exist between the multi-section components. This not only complicates the manufacturing process but also increases processing costs, reduces production efficiency, and hinders product consistency and reliability. Utility Model Content

[0003] To address the shortcomings of existing technologies, the purpose of this invention is to provide a tooling platform for assembling the bottom beam of a CNG gas holder frame, significantly improving structural assembly efficiency. During assembly and welding, it effectively ensures the product quality and reliability of the segmented welded structure design, greatly reducing safety hazards. Simultaneously, this tooling platform enables leveling between the lower support bracket of the gas cylinder and the bottom beam, ensuring assembly accuracy, simplifying the production process, significantly improving production efficiency, reducing manufacturing costs, and better meeting customers' demands for lightweight and low-cost manufacturing.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: a bottom beam assembly tooling platform for a CNG gas holder frame, comprising a table surface, on which are provided several pads, several end positioning mechanisms, several side positioning mechanisms, several pressing mechanisms, several positioning pins, and several side abutting mechanisms; the pads are used to support the bottom of the workpiece; the end positioning mechanisms are used to abut the ends of the workpiece; the side positioning mechanisms are used to abut the sides of the workpiece; the pressing mechanisms are used to press the workpiece; the positioning pins are used to insert into the corresponding through holes on the side of the workpiece and fix the workpiece; the side abutting mechanisms are used to abut the other side of the workpiece and cooperate with the side positioning mechanisms to clamp the workpiece.

[0005] A further improvement is that the pad has several first insertion holes on both sides, and a positioning rod for positioning the workpiece can be inserted into the first insertion holes.

[0006] A further improvement is that the end positioning mechanism has an L-shaped structure, including a fixing strip, one end of which is bent upward to form a support strip, and the side of the support strip is provided with a positioning strip for supporting the end of the workpiece; the fixing strip is provided with a plurality of second insertion holes, and a positioning rod for positioning the workpiece can be inserted into the second insertion holes.

[0007] A further improvement is that the side positioning mechanism has an L-shaped structure, including a first fixing plate, one end of which is bent upward to form a first support plate, and the side of the first support plate is provided with a positioning block for abutting the end of the workpiece; the first fixing plate is provided with a plurality of third insertion holes, and a positioning rod for positioning the workpiece can be inserted into the third insertion holes.

[0008] A further improvement is that a reinforcing plate is provided between the support plate and the fixing plate.

[0009] A further improvement is that the clamping mechanism includes a mounting block, on which a clamping cylinder is provided, and the clamping arm of the clamping cylinder is used to press against the workpiece; the mounting block is provided with a plurality of fourth insertion holes, in which a positioning rod for positioning the workpiece can be inserted.

[0010] A further improvement is made in that: the positioning pin includes a second fixing plate, one end of which is bent upward to form a second support plate, and at least one side of the second support plate is provided with a connecting block; a rotating shaft is rotatably and telescopically provided inside the connecting block, and the front end of the rotating shaft passes through the connecting block and is connected to a positioning pin for inserting into a corresponding through hole on the side of the workpiece; a guide groove communicating with the rotating shaft is provided on the connecting block, and a guide pin is slidably provided in the guide groove, and the guide pin is connected to the rotating surface of the rotating shaft; the second fixing plate is provided with a plurality of fifth insertion holes, and a positioning rod for positioning the workpiece can be inserted into the fifth insertion holes.

[0011] A further improvement is that the side clamping mechanism includes an n-shaped support frame, on which a clamping cylinder is provided, and the push plate of the clamping cylinder is connected to a clamping plate for clamping the other side of the workpiece; the lower end of the support frame is bent outward to form a bent plate portion, and the bent plate portion is provided with a plurality of sixth insertion holes, in which a positioning rod for positioning the workpiece can be inserted.

[0012] A further improvement is that a positioning plate is provided on the cylinder body of the clamping cylinder.

[0013] A further improvement is that a protective cover is provided on the cylinder body of the clamping cylinder.

[0014] The beneficial effects of this utility model are as follows: This utility model is mainly used for the precise assembly of the lower support frame and the base beam of a gas cylinder, significantly improving the efficiency of structural assembly. During assembly and welding, it effectively ensures the product quality and reliability of the segmented welded structure design, greatly reducing safety hazards. Simultaneously, this tooling platform enables leveling of the lower support frame and base beam, guaranteeing assembly accuracy, simplifying the production process, significantly improving production efficiency, reducing manufacturing costs, and better meeting customers' demands for lightweight and low-cost manufacturing. Attached Figure Description

[0015] Figure 1 This is a working schematic diagram of the bottom beam assembly tooling platform used for the CNG gas holder frame in this embodiment of the present invention. Figure 2 This is a perspective view of the bottom beam assembly tooling platform used for the CNG gas holder frame in this embodiment of the present invention. Figure 3 This is a front view of the bottom beam assembly tooling platform used for the CNG gas holder frame in this embodiment of the present invention. Figure 4 This is a top view of the bottom beam assembly tooling platform for the CNG gas holder frame in this embodiment of the present invention. Figure 5 This is a schematic diagram of the structure of the pad in an embodiment of this utility model; Figure 6 This is a schematic diagram of the end positioning mechanism in an embodiment of the present invention; Figure 7 This is a schematic diagram of the side positioning mechanism in an embodiment of the present utility model; Figure 8 This is a schematic diagram of the pressing mechanism in an embodiment of the present invention; Figure 9 This is a schematic diagram of the positioning pin in an embodiment of the present utility model; Figure 10 This is a schematic diagram of the side-clamping mechanism in an embodiment of the present invention; Figure 11 This is a schematic diagram of the side-clamping mechanism after the positioning plate and protective cover are installed in an embodiment of this utility model.

[0016] Figure label: 1-Countertop; 2-Push plate; 21-First insertion hole; 3-End positioning mechanism; 31-Fixing bar; 32-Support bar; 33-Positioning bar; 34-Second insertion hole; 4-Side positioning mechanism; 41-First fixing plate; 42-First support plate; 43-Positioning block; 44-Reinforcing plate; 45-Third insertion hole; 5-Clamping mechanism; 51-Mounting block; 52-Clamping cylinder; 53-Clamping arm; 54-Fourth insertion hole; 6-Positioning pin; 61-Second fixing plate; 62-Second support plate; 63-Connecting block; 64-Rotating shaft; 65-Positioning pin; 66-Guide groove; 67-Guide pin; 68-Fifth insertion hole; 7-Side clamping mechanism; 71-Support frame; 72-Clamping cylinder; 73-Push plate; 74-Clamping plate; 75-Bent plate section; 76-Sixth insertion hole; 77-Positioning plate; 78-Guard cover; 8-Positioning rod. Detailed Implementation

[0017] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

[0018] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0019] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Thus, the use of "first" and "second" to define a feature may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" or "a number" means two or more, unless otherwise explicitly specified.

[0020] The following description, in conjunction with the accompanying drawings, further illustrates specific embodiments of the present invention, making the technical solution and beneficial effects of the present invention clearer and more explicit. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0021] See Figures 1-4 As shown, this utility model embodiment provides a bottom beam assembly tooling platform for CNG gas holder frame, including a table surface 1, on which are provided a plurality of pads 2, a plurality of end positioning mechanisms 3, a plurality of side positioning mechanisms 4, a plurality of pressing mechanisms 5, a plurality of positioning pins 6 and a plurality of side abutting mechanisms 7. See Figure 5 As shown, the pad 2 is used to support the bottom of the workpiece; specifically, the two sides of the pad 2 are provided with a number of first insertion holes 21, and positioning rods 8 for positioning the workpiece can be inserted into the first insertion holes 21.

[0022] See Figure 6As shown, the end positioning mechanism 3 is used to hold the end of the workpiece; specifically, the end positioning mechanism 3 has an L-shaped structure, including a fixing bar 31, one end of the fixing bar 31 is bent upward to form a support bar 32, and the side of the support bar 32 is provided with a positioning bar 33 for holding the end of the workpiece; the fixing bar 31 is provided with a plurality of second insertion holes 34, and a positioning rod 8 for positioning the workpiece can be inserted into the second insertion holes 34.

[0023] See Figure 7 As shown, the side positioning mechanism 4 is used to hold the side of the workpiece; specifically, the side positioning mechanism 4 has an L-shaped structure, including a first fixing plate 41, one end of the first fixing plate 41 is bent upward to form a first support plate 42, and the side of the first support plate 42 is provided with a positioning block 43 for holding the end of the workpiece; the first fixing plate 41 is provided with a plurality of third insertion holes 45, and a positioning rod 8 for positioning the workpiece can be inserted into the third insertion holes 45. A reinforcing plate 44 is provided between the support plate and the fixing plate.

[0024] See Figure 8 As shown, the clamping mechanism 5 is used to press against the workpiece; specifically, the clamping mechanism 5 includes a mounting block 51, on which a clamping cylinder 52 is provided, and the clamping arm 53 of the clamping cylinder 52 is used to press against the workpiece; the mounting block 51 is provided with a plurality of fourth insertion holes 54, and a positioning rod 8 for positioning the workpiece can be inserted into the fourth insertion holes 54.

[0025] See Figure 9 As shown, the positioning pin 6 is used to insert into the corresponding through hole on the side of the workpiece and fix the workpiece. Specifically, the positioning pin 6 includes a second fixing plate 61, one end of which is bent upward to form a second support plate 62, and at least one side of the second support plate 62 is provided with a connecting block 63. A rotating shaft 64 is rotatably and telescopically provided in the connecting block 63, and the front end of the rotating shaft 64 passes through the connecting block 63 and is connected to a positioning pin 65 for inserting into the corresponding through hole on the side of the workpiece. A guide groove 66 communicating with the rotating shaft 64 is provided on the connecting block 63, and a guide pin 67 is slidably provided in the guide groove 66, and the guide pin 67 is connected to the rotating surface of the rotating shaft 64. The second fixing plate 61 is provided with a plurality of fifth insertion holes 68, and a positioning rod 8 for positioning the workpiece can be inserted into the fifth insertion hole 68.

[0026] See Figures 10-11As shown, the side clamping mechanism 7 is used to clamp the other side of the workpiece and cooperates with the side positioning mechanism 4 to clamp the workpiece. Specifically, the side clamping mechanism 7 includes an n-shaped support frame 71, on which a clamping cylinder 72 is provided, and the push plate 73 of the clamping cylinder 72 is connected to a clamping plate 74 for clamping the other side of the workpiece; the lower end of the support frame 71 is bent outward to form a bent plate portion 75, and the bent plate portion 75 is provided with a plurality of sixth insertion holes 76, in which a positioning rod 8 for positioning the workpiece can be inserted. A positioning plate 77 is provided on the cylinder body of the clamping cylinder 72. A protective cover 78 is provided on the cylinder body of the clamping cylinder 72.

[0027] In the description of this specification, references to terms such as "an embodiment," "preferred," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. Illustrative expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0028] Based on the above description of the structure and principle, those skilled in the art should understand that this utility model is not limited to the specific embodiments described above. Improvements and substitutions made using techniques known in the art based on this utility model all fall within the protection scope of this utility model and should be defined by the claims.

Claims

1. A bottom beam assembly tooling platform for a CNG gas holder frame, comprising a tabletop (1), characterized in that: The platform (1) is provided with several pads (2), several end positioning mechanisms (3), several side positioning mechanisms (4), several pressing mechanisms (5), several positioning pins (6) and several side abutting mechanisms (7). The pad (2) is used to support the bottom of the workpiece; The end positioning mechanism (3) is used to hold the end of the workpiece; The side positioning mechanism (4) is used to hold the side of the workpiece; The clamping mechanism (5) is used to press against the workpiece; The positioning pin (6) is used to insert into the corresponding through hole on the side of the workpiece and fix the workpiece. The side clamping mechanism (7) is used to clamp the other side of the workpiece and cooperate with the side positioning mechanism (4) to clamp the workpiece.

2. The assembly platform for the bottom beam of the CNG gas holder frame according to claim 1, characterized in that: The pad (2) has several first insertion holes (21) on both sides, and a positioning rod (8) for positioning the workpiece can be inserted into the first insertion hole (21).

3. The assembly platform for the bottom beam of the CNG gas holder frame according to claim 1, characterized in that: The end positioning mechanism (3) has an L-shaped structure and includes a fixing strip (31). One end of the fixing strip (31) is bent upward to form a support strip (32), and the side of the support strip (32) is provided with a positioning strip (33) for abutting the end of the workpiece. The fixing strip (31) is provided with a plurality of second insertion holes (34), and a positioning rod (8) for positioning the workpiece can be inserted into the second insertion holes (34).

4. The assembly platform for the bottom beam of the CNG gas holder frame according to claim 1, characterized in that: The side positioning mechanism (4) has an L-shaped structure, including a first fixing plate (41), one end of the first fixing plate (41) is bent upward to form a first support plate (42), and the side of the first support plate (42) is provided with a positioning block (43) for abutting the end of the workpiece; the first fixing plate (41) is provided with a plurality of third insertion holes (45), and a positioning rod (8) for positioning the workpiece can be inserted into the third insertion hole (45).

5. The assembly platform for the bottom beam of the CNG gas holder frame according to claim 4, characterized in that: A reinforcing plate (44) is provided between the support plate and the fixing plate.

6. The assembly platform for the bottom beam of the CNG gas holder frame according to claim 1, characterized in that: The clamping mechanism (5) includes a mounting block (51), on which a clamping cylinder (52) is provided, and the clamping arm (53) of the clamping cylinder (52) is used to press against the workpiece; the mounting block (51) is provided with a plurality of fourth insertion holes (54), and a positioning rod (8) for positioning the workpiece can be inserted into the fourth insertion hole (54).

7. The assembly platform for the bottom beam of the CNG gas holder frame according to claim 1, characterized in that: The positioning pin (6) includes a second fixing plate (61), one end of which is bent upward to form a second support plate (62), and a connecting block (63) is provided on at least one side of the second support plate (62); a rotating shaft (64) is rotatably and telescopically provided in the connecting block (63), and the front end of the rotating shaft (64) passes through the connecting block (63) and is connected to a positioning pin (65) for inserting into the corresponding through hole on the side of the workpiece; a guide groove (66) communicating with the rotating shaft (64) is provided on the connecting block (63), and a guide pin (67) is slidably provided in the guide groove (66), and the guide pin (67) is connected to the rotating surface of the rotating shaft (64); the second fixing plate (61) is provided with a plurality of fifth insertion holes (68), and a positioning rod (8) for positioning the workpiece can be inserted into the fifth insertion hole (68).

8. The assembly platform for the bottom beam of the CNG gas holder frame according to claim 1, characterized in that: The side clamping mechanism (7) includes an n-shaped support frame (71), on which a clamping cylinder (72) is provided, and the push plate (73) of the clamping cylinder (72) is connected to a clamping plate (74) for clamping the other side of the workpiece; the lower end of the support frame (71) is bent outward to form a bent plate portion (75), and the bent plate portion (75) is provided with a plurality of sixth insertion holes (76), in which a positioning rod (8) for positioning the workpiece can be inserted.

9. The assembly platform for the bottom beam of the CNG gas holder frame according to claim 8, characterized in that: The cylinder body of the clamping cylinder (72) is provided with a positioning plate (77).

10. The assembly platform for the bottom beam of the CNG gas holder frame according to claim 8, characterized in that: The cylinder body of the clamping cylinder (72) is provided with a protective cover (78).