CN218400745U

CN218400745U - Heavy truck and aisle step device thereof

Info

Publication number: CN218400745U
Application number: CN202223163596.6U
Authority: CN
Inventors: 李煜; 郭喜军; 孙林燕; 陆何俊; 宣子静; 常成林; 汪国真; 张文龙
Original assignee: C&c Trucks Co ltd; China International Marine Containers Group Co Ltd
Current assignee: C&c Trucks Co ltd; China International Marine Containers Group Co Ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-01-31
Anticipated expiration: 2032-11-25

Abstract

The utility model provides a heavily block and passageway device of marking time thereof. The aisle step device comprises a step body, two supporting beams and a fixed support. The two support beams are arranged below the step body at intervals in parallel. The fixed bracket comprises a plurality of fixed blocks. At least two fixing blocks are arranged on the outer side of each supporting beam and are arranged at intervals along the length direction of the supporting beam. The top of each fixed block is connected with a supporting beam, and the bottom of each fixed block is used for being connected and fixed with a frame of the heavy truck. The aisle step device is connected with the frame of the heavy truck through the fixing blocks, so that the assembly of the aisle step device is realized, and the operation is simple and convenient.

Description

Heavy truck and aisle step device thereof

Technical Field

The utility model relates to a heavily block car technical field, in particular to heavily block and passageway device of marking time thereof.

Background

The aisle step device enables an accessory device which is necessary for a heavy truck traction vehicle type to be mainly assembled on the upper portion of a frame of a vehicle and on the rear periphery of a cab, and provides a large-area step space above the frame so as to meet the operation requirements of workers.

However, the existing aisle stepping device is complex and tedious in structure, so that the aisle stepping device is inconvenient to assemble and operate and cannot meet the industrial requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heavily block and passageway device of marking time for solving the inconvenient problem of device assembly is marked time in passageway.

In order to solve the technical problem, the utility model adopts the following technical scheme:

according to one aspect of the present application, there is provided an aisle stepping apparatus comprising:

a step body;

the two support beams are arranged below the step body at intervals in parallel;

the fixing bracket comprises a plurality of fixing blocks;

at least two fixing blocks are arranged on the outer side of each supporting beam, and the at least two fixing blocks are arranged at intervals along the length direction of the supporting beam; the top end of each fixed block is connected with the support beam, and the bottom end of each fixed block is used for being connected and fixed with the frame of the heavy truck.

In some embodiments, the step body includes a main body portion and two bending portions, and the two bending portions are disposed at two opposite ends of the main body portion;

two ends of each bending part are respectively connected with the two supporting beams, and the two bending parts and the two supporting beams are enclosed to form a closed-loop frame structure.

In some embodiments, the body portion is provided with a pattern that protrudes above an upper surface of the body portion.

In some embodiments, the step body has a width equal to an outer width of the frame;

the outer side surface of each supporting beam is flush with the outer side surface corresponding to the step body.

In some embodiments, the cross section of the support beam is U-shaped, so that the support beam has a slot, and the openings of the slots of the two support beams are opposite to each other.

In some embodiments, the aisle step device further comprises a plurality of reinforcing beams, and the plurality of reinforcing beams are vertically arranged between the two supporting beams at intervals; and two ends of each reinforcing beam are clamped in the clamping grooves and are fixedly connected with the reinforcing beams.

In some embodiments, a connecting hole is formed at the top end of each fixing block, a mounting hole is formed in each supporting beam corresponding to the fixing block, and the fixing block and the supporting beam are inserted into the connecting hole and the mounting hole through a fastener to be detachably connected;

the bottom of fixed block is equipped with the pilot hole.

In some embodiments, the assembly hole is a kidney-shaped hole, and a length direction of the kidney-shaped hole extends along a longitudinal direction.

In some embodiments, the step body is made of a steel plate; the support beam is made of metal; the fixing support is made of metal.

The application also provides a heavy truck which comprises a frame and the aisle stepping device arranged on the frame.

According to the above technical scheme, the utility model discloses following advantage and positive effect have at least:

the utility model discloses in, the passageway device of marking time is including the body of marking time, two supporting beams and fixed bolster. The two support beams are arranged below the step body at intervals in parallel. The fixed bracket comprises a plurality of fixed blocks. At least two fixing blocks are arranged on the outer side of each supporting beam and are arranged at intervals along the length direction of the supporting beam. The top of each fixed block is connected with a supporting beam, and the bottom of each fixed block is used for being connected and fixed with a frame of the heavy truck. The aisle step device is simple in structure, is connected with the frame of the heavy truck through the fixing blocks, achieves assembly of the aisle step device, and is simple and convenient to operate.

Drawings

FIG. 1 is a schematic view of a portion of a frame and aisle step apparatus in this embodiment.

Fig. 2 is a schematic structural diagram of the aisle step apparatus in this embodiment.

Fig. 3 is a bottom view of the aisle stepping device of the embodiment.

FIG. 4 is a schematic structural view of the support beam of the present embodiment.

Fig. 5 is a schematic structural view of the reinforcing beam clamping portion in this embodiment.

Fig. 6 is a schematic structural diagram of the fixing block in the embodiment.

The reference numerals are explained below:

11. a stringer; 12. a cross beam;

2. an aisle step device; 21. a step body; 211. a main body portion; 212. a bending section; 22. a support beam; 221. a card slot; 222. an upper wing plate; 223. a lower wing plate; 224. a side plate; 225. mounting holes; 23. a fixed block; 231. connecting holes; 232. an assembly hole; 24. a reinforcing beam; 241. a clamping part; 2411. an abutting surface; 2412. an upper limiting groove; 2413. a lower limiting groove; 2414. an upper inclined portion; 2415. a lower inclined portion.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the indications of directions or positional relationships (such as up, down, left, right, front, rear, and the like) in the embodiments shown in the drawings are merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated. These descriptions are appropriate when the elements are in the positions shown in the drawings. If the description of the positions of these elements changes, the indication of these directions changes accordingly.

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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The following detailed description of the embodiments of the heavy truck and the aisle stepping device thereof will be made with reference to the accompanying drawings.

The utility model provides a heavy truck, include the frame and locate the passageway device of marking time on the frame.

For convenience of description, the longitudinal direction of the frame is defined as the longitudinal direction, and the width direction of the frame is defined as the transverse direction.

Fig. 1 is a schematic view of a part of a vehicle frame and aisle step device in this embodiment, referring to fig. 1, the vehicle frame includes two longitudinal beams 11 and a cross beam 12 located between the two longitudinal beams 11, and both the longitudinal beams 11 extend along the longitudinal direction.

The aisle step device 2 is located above the two longitudinal beams 11 and in the middle area of the longitudinal beams 11. The central region of the longitudinal beam 11 does not refer to the center of the longitudinal beam 11 in the longitudinal direction, but refers to a region in a certain length range including the center of the longitudinal beam 11 in the longitudinal direction, and does not include the end portions of the longitudinal beam 11 in the longitudinal direction.

Fig. 2 is a schematic structural diagram of the aisle step apparatus 2 in this embodiment.

Referring to fig. 2, the aisle step device 2 includes a step body 21, two support beams 22 and a fixing bracket.

The stepping body 21 is square. In this embodiment, the stepping body 21 is rectangular, and has a length extending in the longitudinal direction and a width extending in the transverse direction.

For convenience of description, it is defined that the side of the two side members 11 facing each other is an inner side, and the side of the two side members 11 facing away from each other is an outer side.

The width of the step body 21 is equal to the outer width of the frame. The outer width of the frame refers to the dimension between the outer side walls of the two longitudinal beams 11 of the frame. That is, the width of the step body 21 in the lateral direction is equal to the dimension between the outer side walls of the side members 11 of the vehicle frame.

The tread body 21 includes a main body 211 and two bending portions 212. The two bent portions 212 are disposed at opposite ends of the main body portion 211. Specifically, the two bent portions 212 are respectively provided at both ends of the main body portion 211 in the longitudinal direction. In this embodiment, the bending portion 212 is formed by bending the main body portion 211 vertically downward.

The main body 211 is provided with a pattern. Wherein, the patterns protrude out of the upper surface of the main body 211 to increase the anti-slip effect of the step body 21.

In this embodiment, the step body 21 is made of a steel plate.

Fig. 3 is a bottom view of the aisle stepping device 2 in this embodiment.

Referring to fig. 3, two support beams 22 are disposed in parallel and spaced below the stepping body 21. Specifically, the two support beams 22 extend longitudinally and are arranged below the step body 21 along the transverse direction at parallel intervals.

In the present embodiment, the two support beams 22 have the same structure, shape, size, and the like. In other embodiments, the structure, shape and size of the two support beams 22 may be set according to the actual situation, depending on the structure of the frame rail 11. Illustratively, the two support beams 22 are a left support beam 22 and a right support beam 22, and the left support beam 22 and the right support beam 22 may have different shapes or sizes.

The outer side surface of each support beam 22 is flush with the corresponding outer side surface of the step body 21. Since the width of the step body 21 is equal to the outer width of the frame, the outer side surfaces of the support beams 22 are flush with the outer side surfaces of the corresponding longitudinal beams 11, so that the subsequent connection between the support beams 22 and the frame is facilitated, and the assembly is facilitated.

Moreover, two ends of each bending portion 212 of the step body 21 are respectively connected to two support beams 22, and at this time, the two bending portions 212 and the two support beams 22 enclose to form a closed-loop frame structure, so as to increase the strength of the aisle step device 2, and make the aisle step device 2 more firm and reliable.

Fig. 4 is a schematic structural diagram of the support beam 22 in this embodiment.

Referring to fig. 4, each support beam 22 has a U-shaped cross section with a slot 221, and the openings of the slots 221 of the two support beams 22 are opposite to each other. The support beam 22 has a U-shaped structure, which can reduce the mass of the support beam 22 and improve the strength of the support beam 22.

Specifically, each support beam 22 includes an upper wing plate 222, a lower wing plate 223, and a side plate 224. The upper wing plate 222 and the lower wing plate 223 are vertically disposed at the upper and lower ends of the side plate 224 in parallel and at an interval, so as to form the engaging groove 221.

The upper wing plate 222 and the lower wing plate 223 have rounded corners with the side plates 224. The fillet is inclined at the inner side.

In the present embodiment, the support beam 22 is made of metal. Specifically, the support beam 22 is a conventional Q345 sheet metal.

Referring to fig. 3, the aisle stepping apparatus 2 further includes a plurality of reinforcement beams 24. A plurality of stiffening beams 24 are vertically spaced between the support beams 22. Specifically, the two ends of each reinforcing beam 24 are clamped in the clamping grooves 221 of the supporting beams 22 and fixedly connected with the reinforcing beams 24, so that the strength of the aisle step device 2 is increased.

Fig. 5 is a schematic structural diagram of the clamping portion 241 of the reinforcing beam 24 in this embodiment.

Referring to fig. 5, each reinforcing beam 24 includes two catching portions 241, and the two catching portions 241 are respectively located at both ends of each reinforcing beam 24 in the transverse direction. The shape of the engaging portion 241 matches the shape of the engaging slot 221, and the engaging portion can be engaged with the engaging slot 221. After the clamping portion 241 is clamped in the card slot 221, the clamping portion 241 is fixedly connected with the side wall of the card slot 221. In this embodiment, the fastening portion 241 of the reinforcement beam 24 and the fastening groove 221 of the support beam 22 are connected by welding, which further enhances the strength of the aisle step device 2.

Specifically, the clamping portion 241 includes an abutting surface 2411, and the abutting surface 2411 is fixedly connected to the inner side surface of the side plate 224.

The upper and lower ends of the engaging portion 241 are provided with an upper limiting groove 2412 and a lower limiting groove 2413, and the upper limiting groove 2412 and the lower limiting groove 2413 both include a side wall and a bottom wall. The side wall of the upper limiting groove 2412 is fixedly connected with the inner side surface of the upper wing plate 222, and the bottom wall of the upper limiting groove 2412 is fixedly connected with the lower end surface of the upper wing plate 222. The side wall of the lower limiting groove 2413 is fixedly connected with the inner side surface of the lower wing plate 223, and the bottom wall of the lower limiting groove 2413 is fixedly connected with the upper end surface of the lower wing plate 223.

An upper inclined portion 2414 is provided between the bottom wall of the upper limiting groove 2412 and the abutting surface 2411 of the engaging portion 241, and a lower inclined portion 2415 is provided between the bottom wall of the lower limiting groove 2413 and the abutting surface 2411 of the engaging portion 241. The rounded corners between the side plates 224 and the upper wing plates 222 are rounded upward, and the rounded corners between the side plates 224 and the lower wing plates 223 are rounded downward. The upper inclined portion 2414 is fixedly connected with the inner side surface of the upper fillet, and the lower inclined portion 2415 is fixedly connected with the inner side surface of the lower fillet.

In the present embodiment, the number of the reinforcing beams 24 is 3. In other embodiments, the number of stiffening beams 24 may be 4, 5, etc., with the particular arrangement being as desired.

The fixing bracket includes a plurality of fixing blocks 23. In this embodiment, the fixing bracket is made of metal. Specifically, the fixed support is a common Q345 metal plate.

At least two fixing blocks 23 are provided outside each support beam 22. Specifically, at least two fixing blocks 23 are provided at intervals along the length direction of the support beam 22.

In this embodiment, the number of the fixing blocks 23 is four, two fixing blocks 23 are disposed on the outer side of each supporting beam 22, and the four fixing blocks 23 are respectively located at four corners of the closed-loop frame structure. In other embodiments, the number of the fixing blocks 23 may also be five, six or another number, which may be specifically set according to actual situations.

Fig. 6 is a schematic structural diagram of the fixing block 23 in this embodiment.

Referring to fig. 3 and 6, the top end of each fixing block 23 is connected to the support beam 22. Specifically, a connecting hole 231 is formed in the top end of each fixing block 23, a mounting hole 225 is formed in each supporting beam 22 corresponding to the fixing block 23, the fixing blocks 23 are located on the outer side of the supporting beam 22 and penetrate through the connecting holes 231 and the mounting holes 225 with the supporting beam 22 through fasteners to be detachably connected, the passageway stepping device 2 is convenient to mount, and the operation is convenient and simple. The mounting holes 225 of the support beam 22 are disposed in one-to-one correspondence to the attachment holes 231 of the fixing block 23.

In this embodiment, the attachment hole 231 of the attachment block 23 is one, so that the support beam 22 is provided with two attachment holes 225, and the two attachment holes 225 are respectively arranged at both longitudinal ends, and the specific positions thereof depend on the structure of the frame rail 11. That is, the plurality of fixing blocks 23 connected and fixed to the support beam 22 are symmetrically distributed with respect to the center of the step body 21, and are uniformly distributed, firm and reliable.

In other embodiments, the longitudinal end of each support beam 22 is provided with a plurality of mounting holes 225, which can meet the installation space requirements under the boundary conditions of different frame longitudinal beams 11, that is, the connecting positions of the fixing blocks 23 and the support beams 22 can be arranged according to the boundary conditions of the frame longitudinal beams 11, and the number of the fixing blocks 23 is determined according to the requirements, so that the installation of the aisle step device 2 is facilitated, and the installation adaptability is increased.

In this embodiment, the fastener includes a bolt and a nut. Welding nuts are welded on the inner sides of the supporting beams 22, bolts penetrate through the connecting holes 231 and the mounting holes 225 simultaneously and are screwed into the welding nuts through external force, the fixing blocks 23 are detachably connected with the supporting beams 22, and operation is convenient and simple.

The bottom end of each fixed block 23 is used for being connected and fixed with a frame of the heavy truck. Specifically, the bottom of fixed block 23 is equipped with pilot hole 232, and the through-hole has been seted up to the department of correspondence on the longeron 11, and fixed block 23 passes through the installed part with longeron 11 and realizes dismantling the connection. Wherein, the mounting member comprises a bolt and a nut, the bolt simultaneously passes through the assembly hole 232 and the through hole, and is fixedly connected with the nut at the inner side of the longitudinal beam 11.

In this embodiment, the fitting hole 232 is a waist-shaped hole, and the length direction of the waist-shaped hole extends in the longitudinal direction, so that the fitting margin between the fixing block 23 and the longitudinal beam 11 can be increased, and the adjustment is facilitated.

In this embodiment, in order to adapt to different heavy truck frame structures, the fixing block 23 may be a bending piece, a casting piece or a stamping piece according to the boundary requirement of the longitudinal beam 11 of the truck frame.

Assembling the aisle step device 2:

first, the installation position of the closed-loop frame structure formed by enclosing the step body 21 and the support beam 22 on the vehicle frame is selected according to the requirement, and the closed-loop frame structure is placed on the vehicle frame.

Then, according to the structure of the frame rail 11, the installation position of the fixing block 23 is selected, and the fixing block 23 is placed at the required installation position.

Then, the top end of the fixed block 23 is connected with the support beam 22, and the bottom end is connected with the longitudinal beam 11, so that the assembly of the aisle step device 2 is realized.

Specifically, the bolts of the fasteners are simultaneously passed through the connecting holes 231 at the upper end of the fixing block 23 and the mounting holes 225 on the support beam 22 and screwed into the nuts located inside the support beam 22, thereby achieving the detachable connection of the fixing block 23 and the support beam 22. The bolt of the mounting piece simultaneously passes through the assembly hole 232 at the lower end of the fixing block 23 and the through hole on the frame longitudinal beam 11, and is detachably connected with the nut on the inner side of the longitudinal beam 11.

In the embodiment, the fixing block 23 is detachably connected with the support beam 22 and the longitudinal beam 11 at the same time, so that the fixing block 23 can be installed by selecting the position, and the whole assembling process is simple.

And, the bolt and the nut of the mounting part are disconnected through external force, that is to say, the fixed block 23 and the frame longitudinal beam 11 are disconnected, so that the aisle step device 2 can be separated from the frame, and the whole dismounting process is simple.

firstly, the body of marking time is equipped with the kink along vertical both ends, and each supporting beam is respectively in the both ends of each kink, and two kinks and two supporting beams enclose to close and form closed loop frame construction this moment, have increased the intensity of passageway device of marking time for the passageway device of marking time is firm more reliable.

Secondly, the cross section of each supporting beam is U-shaped, so that the supporting beam is provided with a clamping groove, and the U-shaped structure can effectively reduce the mass of the supporting beam and can provide the strength of the supporting beam.

Moreover, the passageway marking device is detachably connected with the frame through a plurality of fixed blocks, and is convenient and simple to assemble.

Meanwhile, a plurality of mounting holes can be formed in the two longitudinal ends of the supporting beam respectively, the connecting positions of the fixing blocks and the supporting beam can be selected according to the boundary conditions of the frame longitudinal beam, and the mounting adaptability of the aisle step device is improved.

Moreover, the two ends of the reinforcing beam are clamped in the clamping grooves of the two supporting beams, and then the reinforcing beam and the supporting beams are welded, so that the strength of the aisle step device is further improved.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalence of such metes and bounds are therefore intended to be embraced by the appended claims.

Claims

1. An aisle stepping device of a heavy truck, comprising:

a step body;

the fixing bracket comprises a plurality of fixing blocks;

2. The aisle stepping device of claim 1, wherein the stepping body comprises a main body and two bent portions, and the two bent portions are disposed at two opposite ends of the main body;

two ends of each bending part are respectively connected with two supporting beams, and the two bending parts and the two supporting beams are enclosed to form a closed-loop frame structure.

3. The aisle stepping device of claim 2, wherein the body portion is provided with a pattern that protrudes out of an upper surface of the body portion.

4. The aisle stepping apparatus of claim 1, wherein the stepping body has a width equal to an outer width of the frame;

5. The aisle stepping device of claim 1, wherein the support beams are U-shaped in cross section to have slots, and openings of the slots of the two support beams are opposite.

6. The aisle stepping apparatus of claim 5, further comprising a plurality of reinforcing beams vertically and spaced between the support beams; and two ends of each stiffening beam are clamped in the clamping grooves and are fixedly connected with the stiffening beams.

7. The aisle stepping device of claim 1, wherein a connecting hole is formed at the top end of each fixed block, a mounting hole is formed in each supporting beam corresponding to the fixed block, and the fixed blocks and the supporting beams are detachably connected by fasteners penetrating through the connecting holes and the mounting holes;

and the bottom end of the fixing block is provided with an assembling hole.

8. The aisle stepping device of claim 7, wherein the assembly holes are kidney-shaped holes, a length direction of the kidney-shaped holes extending in a longitudinal direction.

9. The aisle step device of claim 1, wherein the step body is made of steel plate; the support beam is made of metal; the fixing support is made of metal.

10. A heavy truck comprising a frame and the aisle step device as claimed in any one of claims 1 to 9 provided on the frame.