CN218929200U

CN218929200U - L-shaped casting combined support for fixing LNG gas cylinder of heavy truck

Info

Publication number: CN218929200U
Application number: CN202223546544.7U
Authority: CN
Inventors: 冀斌; 高登举; 张怀玉; 贺树刚; 吕彪; 崔启明
Original assignee: Beiben Trucks Group Co Ltd
Current assignee: Beiben Trucks Group Co Ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-04-28
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to the technical field of LNG gas cylinder supports, in particular to an L-shaped casting combined support for fixing an LNG gas cylinder of a heavy truck. The bracket comprises 4 upper brackets, 2 lower brackets, 1 right front lower bracket and 1 left front lower bracket; the 4 upper brackets are fixed on the LNG gas cylinder frame, the 1 lower brackets and the 1 right front lower bracket are fixed on the right longitudinal beam, the lower brackets and the left front lower bracket are fixed on the left longitudinal beam, and the upper brackets and the lower brackets, the lower brackets and the right front lower brackets and the left front lower brackets are connected and fastened by bolts, nuts and flat washers. The utility model solves the problems that the prior LNG gas cylinder fixing and welding bracket is frequently cracked and the connecting bolts of the upper bracket and the lower bracket are frequently loosened and fall off. And the mounting structure is optimized, the L-shaped casting support is more convenient for manual operation, the automatic tool is convenient to fasten or detach, the manpower and time are saved, the auxiliary beam and the rubber pad of the gas cylinder frame are canceled, and the weight and the cost of the whole vehicle are reduced.

Description

L-shaped casting combined support for fixing LNG gas cylinder of heavy truck

Technical Field

The utility model relates to the technical field of LNG gas cylinder supports, in particular to an L-shaped casting combined support for fixing an LNG gas cylinder of a heavy truck.

Background

LNG gas cylinder fixed bolster of heavy truck is mostly split type welded support, and the gas cylinder is directly located at longeron upper airfoil surface, and the gas cylinder is cushioned with longeron upper airfoil surface support with the cushion, and upper and lower welded support is fastened with the bolt, leaves certain clearance between upper and lower support.

The current LNG gas cylinder frame has the auxiliary girder, and weight is heavier relatively, and the frame fixed bolster is the welding support, and the welding support fracture problem frequently takes place, in addition, leaves certain clearance between upper and lower welding support, is difficult for tightening with bolted connection, frequently takes place connecting bolt and becomes flexible and drops.

Disclosure of Invention

Object of the utility model

The utility model aims to provide an LNG gas cylinder fixed L-shaped casting combined support, which is connected with an LNG gas cylinder frame and a frame longitudinal beam by adopting a lifting structure, has the advantages of small size, reliable structure and good manufacturability, and is convenient to assemble and maintain.

(II) technical scheme of the utility model

An L-shaped casting combined support for fixing an LNG gas cylinder of a heavy truck comprises 4

upper supports

4, 2

lower supports

5, 1 right front

lower support

6 and 1 left front lower support 7; the 4 upper brackets 4 are fixed on the LNG gas cylinder frame 3, the 1 lower brackets 5 and the 1 right front lower bracket 6 are fixed on the right longitudinal beam 1, the lower brackets 5 and the left front lower bracket 7 are fixed on the left longitudinal beam 2, and the upper brackets and the lower brackets, the lower brackets 5 and the right front lower bracket 6 and the lower brackets 5 and the left front lower bracket 7 are connected and fastened by bolts 8, nuts 10 and flat washers 9.

Further, the shape of the upper bracket 4 is T-shaped, four round holes are formed in a bracket vertical surface 401 of the upper bracket, two round holes are uniformly distributed on a left horizontal surface 402 of the bracket vertical surface 401, two long round holes are uniformly distributed on a right horizontal surface 403 of the bracket vertical surface 401, two reinforcing inclined rib plates are arranged on the right side of the bracket vertical surface 401, and the bracket vertical surface 401 and the right horizontal surface 403 are fixedly connected.

Further, the bracket vertical surface 401 of the upper bracket 4 is connected to the front end surface 301 of the LNG cylinder frame 3 by the bolts 8, nuts 10 and flat washers 9, the left horizontal surface 402 of the upper bracket 4 is connected to the bottom surface 302 of the LNG cylinder frame 3 by the bolts 8, nuts 10 and flat washers 9, and the right horizontal surface 403 of the upper bracket 4 is connected to the lower bracket horizontal surface 502 of the lower bracket 5 by the bolts 8, nuts 10 and flat washers 9.

Further, the shape of the lower bracket 5 is L-shaped, four round holes are uniformly distributed on a lower bracket vertical surface 501 of the lower bracket 5, two long round holes are uniformly distributed on a lower bracket horizontal surface 502, and two reinforcing inclined rib plates are used for fastening between the lower bracket vertical surface 501 and the lower bracket horizontal surface 502.

Further, the lower bracket vertical surface 501 of the lower bracket 5 is connected to the front end surface 101 of the right side member 1 by the bolt 8, the nut 10 and the flat washer 9, and the lower bracket horizontal surface 502 of the lower bracket 5 is connected to the right side horizontal surface 403 of the upper bracket 4 by the bolt 8, the nut 10 and the flat washer 9.

Further, the right front lower bracket 6 is L-shaped, four round holes are uniformly distributed on a vertical surface 601 of the right front lower bracket 6, two round holes are uniformly distributed on a horizontal surface 602, a small boss is arranged at the edge of the upper surface of the horizontal surface 602, front and rear positioning can be performed during assembly, and two reinforcing inclined rib plates are used for fastening the vertical surface 601 and the horizontal surface 602.

Further, the vertical surface 601 of the right front lower bracket 6 is connected to the front end surface 101 of the right side member 1 by the bolts 8, nuts 10 and plain washers 9, and the horizontal surface 602 of the right front lower bracket 6 is connected to the right horizontal surface 403 of the upper bracket 4 by the bolts 8, nuts 10 and plain washers 9.

Further, the left front lower bracket 7 is L-shaped, four round holes are uniformly distributed on a vertical surface 701 of the left front lower bracket 7, two long round holes are uniformly distributed on a horizontal surface 702, and two reinforcing inclined rib plates are used for fastening the vertical surface 701 and the horizontal surface 702.

Further, the vertical surface 701 of the left front lower bracket 7 is connected to the front end surface 201 of the left side member 2 by a bolt 8, and the horizontal surface 702 of the left front lower bracket 7 is connected to the right horizontal surface 403 of the upper bracket 4 by a bolt 8.

The utility model has the following effects:

the utility model has the advantages that the problem that the prior LNG gas cylinder fixing welding bracket is frequently cracked and the connecting bolts of the upper bracket and the lower bracket are frequently loosened and fall off is solved. And the mounting structure is optimized, the L-shaped casting support is more convenient for manual operation, the automatic tool is convenient to fasten or detach, the manpower and time are saved, the auxiliary beam and the rubber pad of the gas cylinder frame are canceled, and the weight and the cost of the whole vehicle are reduced.

The product provided by the utility model can be used on a heavy truck, and provides a new scheme for solving the problem of LNG gas cylinder frame fixation.

Drawings

Fig. 1: LNG gas cylinder fixed L-shaped casting support connection schematic diagram;

fig. 2: and an L-shaped casting combined bracket drawing.

Fig. 3: upper support 4 structure.

Fig. 4: lower support 5 structure.

Fig. 5: upper bracket 4 and lower bracket 5.

Fig. 6: structure of the right front lower bracket 6.

Fig. 7: upper rack 4 and right front lower rack 6.

Fig. 8: left front lower bracket 7 structure.

Fig. 9: upper rack 4 and left front lower rack 7.

Detailed Description

The present utility model will be described in detail with reference to fig. 1 to 2.

The utility model provides an L-shaped casting combined support for fixing an LNG gas cylinder of a heavy truck, which comprises four upper supports 4, two lower supports 5, a right front lower support 6 and a left front lower support 7. According to the LNG gas cylinder fixing L-shaped casting support combination scheme, an original gas cylinder frame auxiliary beam and an original rubber cushion are omitted, and the gas cylinder and the frame are supported by adopting an L-shaped casting combination support.

The shape of the upper bracket 4 is T-shaped, the structure is shown in fig. 3, four round holes are formed in a bracket vertical surface 401 of the upper bracket, two round holes are uniformly distributed in a left horizontal surface 402 of the bracket vertical surface 401, two oblong holes are uniformly distributed in a right horizontal surface 403 of the bracket vertical surface 401, two reinforcing inclined rib plates are arranged on the right side of the bracket vertical surface 401, the bracket vertical surface 401 and the right horizontal surface 403 are fixedly connected, the mounting position of the upper bracket 4 is shown in fig. 5, the bracket vertical surface 401 of the upper bracket 4 is connected with the front end surface 301 of the LNG gas cylinder frame 3 through bolts 8, the left horizontal surface 402 of the upper bracket 4 is connected with the bottom surface 302 of the LNG gas cylinder frame 3 through bolts 8, and the right horizontal surface 403 of the upper bracket 4 is connected with a lower bracket horizontal surface 502 of the lower bracket 5 through bolts 8.

The lower bracket 5 is L-shaped, the structure is shown in fig. 4, four round holes are uniformly distributed on a lower bracket vertical surface 501 of the lower bracket 5, two long round holes are uniformly distributed on a lower bracket horizontal surface 502, the lower bracket vertical surface 501 and the lower bracket horizontal surface 502 are fastened by two reinforcing inclined rib plates, the lower bracket 5 is arranged at a position shown in fig. 5, the lower bracket vertical surface 501 of the lower bracket 5 is connected with the front end surface 101 of the right longitudinal beam 1 by bolts 8, and the lower bracket horizontal surface 502 of the lower bracket 5 is connected with the right horizontal surface 403 of the upper bracket 4 by bolts 8.

The lower right front bracket 6 is also L-shaped, the structure is shown in fig. 6, four round holes are uniformly distributed on a vertical surface 601 of the lower right front bracket 6, two round holes are uniformly distributed on a horizontal surface 602, a small boss is arranged at the edge of the upper surface of the horizontal surface 602, front and rear positioning can be performed during assembly, the vertical surface 601 and the horizontal surface 602 are fastened by two reinforcing inclined rib plates, the mounting position of the lower right front bracket 6 is shown in fig. 7, the vertical surface 601 of the lower right front bracket 6 is connected with the front end surface 101 of the right longitudinal beam 1 by bolts 8, and the horizontal surface 602 of the lower right front bracket 6 is connected with the right horizontal surface 403 of the upper bracket 4 by bolts 8.

The left front lower bracket 7 is L-shaped, the structure is shown in fig. 8, four round holes are uniformly distributed on a vertical surface 701 of the left front lower bracket 7, two long round holes are uniformly distributed on a horizontal surface 702, the vertical surface 701 and the horizontal surface 702 are fastened by two reinforcing inclined rib plates, the mounting position of the left front lower bracket 7 is shown in fig. 9, the vertical surface 701 of the left front lower bracket 7 is connected with the front end surface 201 of the left longitudinal beam 2 by bolts 8, and the horizontal surface 702 of the left front lower bracket 7 is connected with the right horizontal surface 403 of the upper bracket 4 by bolts 8.

Four upper brackets 4 are fixed on the LNG gas cylinder frame 3, a lower bracket 5 and a right front lower bracket 6 are fixed on the right longitudinal beam 1, the lower bracket 5 and a left front lower bracket 7 are fixed on the left longitudinal beam 2, and finally the upper bracket and the lower bracket are connected and fastened by bolts 8, nuts 10 and flat washers 9, as shown in the following figures 1 and 2.

The LNG gas cylinder fixed L-shaped casting combined support is simple in structure, firm, reliable, convenient to operate in the whole assembly process and good in disassembly and assembly manufacturability. The four upper brackets 4 are the same, the two lower brackets 5 are the same, the universality of parts is improved, and the cost of the die is reduced. The upper bracket 4 and the four lower brackets 5 are connected with holes to form oblong holes, the left, right, front and back positions of the gas cylinder frame can be adjusted during assembly, a small boss is designed on the horizontal plane of the right front lower bracket 6, and the left, right and front lower brackets can be used for front and back positioning during assembly. The matching surfaces of the upper bracket and the lower bracket are machined, so that the matching can be completely performed, the matching bolt surface is manufactured into a boss and machined, the bolt is convenient to tighten and difficult to loosen, and the strength of the casting bracket is more reliable.

The L-shaped casting combined support structure ensures firm fastening when the LNG gas cylinder frame is connected with the longitudinal beam, and the connecting bolts of the upper support and the lower support are not easy to loosen and fall off; the L-shaped casting combined support is matched with eight supports which are connected independently, so that the installation is convenient and fast, and the installation manufacturability and the assembly efficiency are improved.

Claims

1. The L-shaped casting combined support for fixing the LNG gas cylinder of the heavy truck is characterized by comprising 4 upper supports (4), 2 lower supports (5), 1 right front lower support (6) and 1 left front lower support (7); the LNG gas cylinder frame (3) is fixed to 4 upper brackets (4), and 1 lower carriage (5) and 1 right front lower carriage (6) are fixed on right longeron (1), and lower carriage (5), left front lower carriage (7) are fixed on left longeron (2), utilize bolt (8), nut (10) and plain washer (9) to be connected the fastening with upper bracket and lower carriage, lower carriage (5) and right front lower carriage (6), lower carriage (5) and left front lower carriage (7).

2. The combined support for fixing the L-shaped casting of the LNG gas cylinder of the heavy truck according to claim 1, wherein the upper support (4) is T-shaped, four round holes are formed in a support vertical surface (401) of the upper support, two round holes are uniformly distributed in a left horizontal surface (402) of the support vertical surface (401), two oblong holes are uniformly distributed in a right horizontal surface (403) of the support vertical surface (401), two reinforcing inclined rib plates are arranged on the right side of the support vertical surface (401), and the support vertical surface (401) and the right horizontal surface (403) are fixedly connected.

3. The heavy truck LNG cylinder fixed L-shaped casting combination support according to claim 2, characterized in that the support vertical surface (401) of the upper support (4) is connected with the front end surface (301) of the LNG cylinder frame (3) by bolts (8), nuts (10) and plain washers (9), the left horizontal surface (402) of the upper support (4) is connected with the bottom surface (302) of the LNG cylinder frame (3) by bolts (8), nuts (10) and plain washers (9), and the right horizontal surface (403) of the upper support (4) is connected with the lower support horizontal surface (502) of the lower support (5) by bolts (8), nuts (10) and plain washers (9).

4. The combined support for fixing the L-shaped casting of the LNG gas cylinder of the heavy truck according to claim 1, wherein the lower support (5) is L-shaped, four round holes are uniformly distributed on a lower support vertical surface (501) of the lower support (5), two oblong holes are uniformly distributed on a lower support horizontal surface (502), and two reinforcing inclined rib plates are used for fastening between the lower support vertical surface (501) and the lower support horizontal surface (502).

5. The heavy truck LNG gas cylinder fixed L-shaped casting combination support according to claim 4, characterized in that the lower support vertical surface (501) of the lower support (5) is connected with the front end surface (101) of the right side member (1) by bolts (8), nuts (10) and plain washers (9), and the lower support horizontal surface (502) of the lower support (5) is connected with the right side horizontal surface (403) of the upper support (4) by bolts (8), nuts (10) and plain washers (9).

6. The L-shaped casting combined support for fixing the LNG gas cylinder of the heavy truck according to claim 1, wherein the right front lower support (6) is L-shaped, four round holes are uniformly distributed on a vertical surface (601) of the right front lower support (6), two round holes are uniformly distributed on a horizontal surface (602), a small boss is arranged at the edge of the upper surface of the horizontal surface (602), the L-shaped casting combined support can be used for front and rear positioning during assembly, and two reinforcing inclined rib plates are used for fastening between the vertical surface (601) and the horizontal surface (602).

7. The heavy truck LNG gas cylinder fixed L-shaped casting combination bracket according to claim 6, characterized in that the vertical surface (601) of the right front lower bracket (6) is connected with the front end surface (101) of the right longitudinal beam (1) by bolts (8), nuts (10) and plain washers (9), and the horizontal surface (602) of the right front lower bracket (6) is connected with the right horizontal surface (403) of the upper bracket (4) by bolts (8), nuts (10) and plain washers (9).

8. The combined support for fixing the L-shaped casting of the LNG gas cylinder of the heavy truck according to claim 1, wherein the lower left front support (7) is L-shaped, four round holes are uniformly distributed on a vertical surface (701) of the lower left front support (7), two oblong holes are uniformly distributed on a horizontal surface (702), and two reinforcing inclined rib plates are used for fastening between the vertical surface (701) and the horizontal surface (702).

9. The heavy truck LNG gas cylinder fixed L-shaped casting combination bracket according to claim 1, characterized in that the vertical face (701) of the left front lower bracket (7) is connected with the front end face (201) of the left side member (2) by bolts (8), and the horizontal face (702) of the left front lower bracket (7) is connected with the right horizontal face (403) of the upper bracket (4) by bolts (8).