CN216508241U - Rear protection device for concrete mixing transport vehicle and concrete mixing transport vehicle - Google Patents
Rear protection device for concrete mixing transport vehicle and concrete mixing transport vehicle Download PDFInfo
- Publication number
- CN216508241U CN216508241U CN202220044534.4U CN202220044534U CN216508241U CN 216508241 U CN216508241 U CN 216508241U CN 202220044534 U CN202220044534 U CN 202220044534U CN 216508241 U CN216508241 U CN 216508241U
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- pedal
- connecting pipe
- concrete mixing
- protection device
- mounting plate
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- 239000000463 material Substances 0.000 abstract description 3
- 230000001012 protector Effects 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The utility model provides a rear protection device for a concrete mixing truck, which comprises a side plate, a connecting pipe, a mounting plate and a pedal, wherein the connecting pipe is fixedly connected with the side plate; when the pedal is in a standing state, the pedal is abutted against the side part of the connecting pipe; when the footboard is in the level and turns over when rolling over the state, the footboard with the top of connecting pipe is supported and is leaned on, and this automobile-used back protector of concrete mixing transport is equipped with the footboard, can make operating personnel trample back protector safely, conveniently looks over the main tank material condition, guarantees the security. The utility model also provides a concrete mixing truck with the rear protection device for the truck.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, in particular to a rear protection device for a concrete mixing truck and the concrete mixing truck.
Background
As the cab of the concrete mixer truck is higher, a plurality of 'blind vision zones' exist in the process of driving on the road, and more unsafe factors are brought to the concrete mixer truck and the surrounding environment. With the rapid increase of the number of non-motor vehicles (especially electric bicycles) on the road, the passive safety problem of the mixer truck is particularly important. The rear protection device of the concrete mixing transport vehicle is an important passive protection device, the rear protection device is arranged at the rear of the body of the mixing transport vehicle, the rear protection device can prevent rear-end vehicles from entering the bottom of the vehicle in the transportation process of the concrete mixing transport vehicle, and the rear protection device is a national mandatory safety structure.
As shown in fig. 1, the current rear fender generally includes a side plate 2 and a cross pipe 3, the side plate 2 and the cross pipe 3 are welded together, and the side plate 2 is fixed on a chassis 1 of the concrete mixer truck. The side plates 2 are generally rectangular steel, and the transverse tube 3 is generally a circular welded tube. When unloading or overhauling, if an operator wants to get on the rear protection device to check the condition of the upper end of the main tank, the existing rear protection device is difficult to stand stably, so that the main tank is easy to slip down, and has potential safety hazards.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rear protection device for a concrete mixing truck, which aims to solve or at least partially solve the defects in the prior art.
The utility model provides a rear protection device for a concrete mixing truck, which comprises a side plate, a connecting pipe, a mounting plate and a pedal, wherein the connecting pipe is fixedly connected with the side plate, the mounting plate is fixedly connected with the connecting pipe, and the pedal is positioned on one side of the connecting pipe and is rotatably connected with the mounting plate; when the pedal is in a standing state, the pedal is abutted against the side part of the connecting pipe; when the pedal is in a horizontal turning state, the pedal abuts against the top of the connecting pipe.
Further, the rear protection device for the concrete mixing truck further comprises a tension spring, and two ends of the tension spring are connected with the pedal and the mounting plate respectively.
Furthermore, a supporting tube is arranged on one side, close to the mounting plate, of the pedal, the supporting tube is fixedly connected with the pedal, the supporting tube is rotatably connected with the mounting plate, and two ends of the tension spring are respectively connected with the supporting tube and the mounting plate.
Furthermore, a first connecting rod is arranged on the supporting tube, a second connecting rod is arranged on the mounting plate, and two ends of the tension spring are respectively connected with the first connecting rod and the second connecting rod.
Furthermore, the rear protection device for the concrete mixing truck further comprises a pin shaft, a first through hole is formed in the supporting pipe, a second through hole is formed in the mounting plate, and the pin shaft is inserted into the first through hole and the second through hole simultaneously.
Furthermore, the number of the supporting pipes is two, and the two supporting pipes are respectively arranged at two opposite ends of the pedal; the quantity of mounting panel is two, two the mounting panel corresponds two respectively the stay tube sets up.
Furthermore, a hollow structure is arranged on the pedal.
Further, the connecting pipe is a rectangular pipe.
The utility model also provides a concrete mixing transport vehicle which comprises the rear protection device for the concrete mixing transport vehicle.
Furthermore, the concrete mixing and transporting truck also comprises a chassis, and the side plates are fixedly arranged on the chassis.
The rear protection device for the concrete mixing truck provided by the utility model adopts a structure with the pedal, so that an operator can safely tread the rear protection device, the material condition of the main tank is conveniently checked, and the safety is ensured; meanwhile, the pedal has a storage function, namely when the pedal is in a horizontal turnover state, the pedal abuts against the top of the connecting pipe, so that a stressed fulcrum is provided for an operator to step on the pedal; when the pedal is in a standing state, the pedal is abutted against the side part of the connecting pipe, so that the pedal is stored, and the pedal is prevented from shaking in the driving process of the vehicle.
Drawings
Fig. 1 is a schematic structural diagram of a rear protection device in the prior art.
FIG. 2 is a schematic structural diagram of a rear protection device for a concrete mixing truck according to an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of the structure at the position a in fig. 2.
Fig. 4 is a side view of fig. 2.
Fig. 5 is an enlarged schematic view of the structure at the position B in fig. 4.
FIG. 6 is another schematic structural diagram of a rear protection device for a concrete mixing truck according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The terms of orientation, up, down, left, right, front, back, top, bottom, and the like (if any) referred to in the specification and claims of the present invention are defined by the positions of structures in the drawings and the positions of the structures relative to each other, only for the sake of clarity and convenience in describing the technical solutions. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
Fig. 2 is a schematic structural view of a rear guard for a concrete mixer truck according to an embodiment of the present invention, fig. 3 is an enlarged schematic structural view at a position a in fig. 2, and fig. 4 is a side view of fig. 2 in a direction S (i.e., a left side view of fig. 2). As shown in fig. 2 to 4, the rear protection device for a concrete mixer truck according to an embodiment of the present invention includes a side plate 2, a connecting pipe 4, a mounting plate 5, and a pedal 3, where the connecting pipe 4 is disposed at 90 ° to the side plate 2 and is fixedly connected to the side plate 2, the mounting plate 5 is fixedly connected to the connecting pipe 4, and the pedal 3 is disposed on one side of the connecting pipe 4 and is rotatably connected to the mounting plate 5. When the pedal 3 is in a standing state, the pedal 3 is abutted against the side part of the connecting pipe 4; when the pedal 3 is in a horizontal turning state, the pedal 3 is abutted against the top of the connecting pipe 4.
Specifically, in this embodiment, the connecting pipe 4 is a rectangular pipe, so that the contact area between the pedal 3 and the connecting pipe 4 is increased, the pedal 3 is convenient to abut against the connecting pipe 4, and the stability is improved.
Further, as shown in fig. 2 to 4, in the present embodiment, the rear guard for a concrete mixing truck further includes a tension spring 6, and both ends of the tension spring 6 are respectively connected to the pedal 3 and the mounting plate 5. The tension spring 6 can provide tension when the pedal 3 is in a standing state and a horizontal turning state, so that the pedal 3 does not shake when in the standing state and does not rebound upwards when in the horizontal turning state.
Further, as shown in fig. 2 to 4, in the present embodiment, the pedal 3 is provided with a support tube 31 at a side close to the mounting plate 5, the support tube 31 is fixedly connected with the pedal 3, the support tube 31 is rotatably connected with the mounting plate 5, and two ends of the tension spring 6 are respectively connected with the support tube 31 and the mounting plate 5. When the pedal 3 is in a standing state, the support tube 31 is abutted against the side wall of the connecting tube 4; when the pedal 3 is in the horizontally folded state, the support tube 31 abuts against the top surface of the connecting tube 4.
Specifically, in the present embodiment, the connection pipe 4 and the side plate 2 are formed into an integral structure by welding, and the pedal 3 and the support pipe 31 are formed into an integral structure by welding.
Further, as shown in fig. 4, in the present embodiment, a first connecting rod 311 is disposed on the supporting tube 31, a second connecting rod 51 is disposed on the mounting plate 5, and two ends of the tension spring 6 are respectively connected to the first connecting rod 311 and the second connecting rod 51.
Specifically, in this embodiment, the ends of the first connecting rod 311 and the second connecting rod 51 are both processed with threads, and after the two ends of the tension spring 6 are respectively sleeved on the first connecting rod 311 and the second connecting rod 51, the nuts 7 are arranged at the ends of the first connecting rod 311 and the second connecting rod 51, so as to prevent the tension spring 6 from falling off.
Further, as shown in fig. 4 and 5, in this embodiment, the rear protection device for a concrete mixer truck further includes a pin 81, the support pipe 31 is provided with a first through hole 312, the mounting plate 5 is provided with a second through hole 52, and the pin 81 is inserted into the first through hole 312 and the second through hole 52, so that the support pipe 31 and the mounting plate 5 are rotatably connected. The pin 81 has a pin 82 at its end to prevent the pin 81 from falling off, and the pin 81 is further sleeved with a washer 83.
Further, as shown in fig. 4, in the present embodiment, the number of the support pipes 31 is two, and the two support pipes 31 are arranged in parallel and are respectively arranged at the opposite ends of the pedal 3; the number of the mounting plates 5 is two, and the two mounting plates 5 are arranged in parallel and respectively correspond to the two support pipes 31.
Further, as shown in fig. 4, in the present embodiment, the pedal 3 is provided with a hollow structure 32. When the operator steps on the pedal 3, soil, sand, stone and the like on the sole of the operator can fall through the hollow structure 32, so that the soil, the sand, the stone and the like are prevented from being accumulated on the pedal 3.
As shown in fig. 3 and 4, when the pedal 3 is in a standing state, the tension spring 6 applies a pulling force to the support tube 31, the wall of the support tube 31 abuts against the side wall of the connection tube 4 (the left side surface of the connection tube 4), and the connection tube 4 plays a role in blocking, so as to ensure that the pedal 3 and the support tube 31 are fixed and do not shake. As shown in fig. 6, when the pedal 3 is in a horizontally folded state, the tension spring 6 applies a tension force F to the support tube 31, the tension force F is decomposed into a downward acting force Fy and a forward acting force Fx, the pedal 3 and the support tube 31 are subjected to the downward acting force Fy, so that the pedal 3 cannot rebound upwards, meanwhile, the tube wall of the support tube 31 abuts against the top surface of the connecting tube 4, and the connecting tube 4 has a blocking effect, so that the pedal 3 and the support tube 31 are ensured to be fixed and not to shake.
The embodiment also provides a concrete mixing transport vechicle, include above the concrete mixing transport vechicle is with back protector.
Further, as shown in fig. 2, in the present embodiment, the concrete mixer truck further includes a chassis 1, and the side plates 2 are fixedly mounted on the chassis 1.
Specifically, in the present embodiment, bolt holes (not shown) are preset on the chassis 1, and the side plate 2 can be fixed on the chassis 1 by bolts (not shown).
The rear protection device for the concrete mixing transportation vehicle provided by the embodiment has the advantages that:
1. by adopting the structure with the pedal 3, an operator can safely and stably tread the rear protection device during unloading or maintenance, the material condition of the main tank is conveniently checked, the design is more humanized, and the use safety is ensured;
2. the pedal 3 has a storage function, when the pedal 3 is in a horizontal turning state, the support tube 31 is abutted against the top surface of the connecting tube 4, so that a stressed fulcrum is provided for an operator to step on the pedal 3; when the pedal 3 is in a standing state, the support tube 31 abuts against the side wall of the connecting tube 4, so that the pedal 3 is accommodated; meanwhile, the tension spring 6 is arranged, so that the pedal 3 has a self-locking function, the tension spring 6 can prevent the pedal 3 from shaking in the vehicle running process, and the pedal 3 can be prevented from being suddenly turned over and tightened to cause potential safety hazards in the use process;
3. the rear protection device for the concrete mixing truck is simple to disassemble and assemble, can be conveniently maintained and replaced, and meets the requirements of relevant national regulations and national standards under the normal use state and the disassembly state.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The rear protection device for the concrete mixing truck is characterized by comprising a side plate (2), a connecting pipe (4), a mounting plate (5) and a pedal (3), wherein the connecting pipe (4) is fixedly connected with the side plate (2), the mounting plate (5) is fixedly connected with the connecting pipe (4), and the pedal (3) is positioned on one side of the connecting pipe (4) and is rotatably connected with the mounting plate (5); when the pedal (3) is in a standing state, the pedal (3) is abutted against the side part of the connecting pipe (4); when the pedal (3) is in a horizontal turning state, the pedal (3) is abutted against the top of the connecting pipe (4).
2. The rear protection device for the concrete mixing truck according to claim 1, further comprising a tension spring (6), wherein two ends of the tension spring (6) are respectively connected with the pedal (3) and the mounting plate (5).
3. The rear protection device for the concrete mixing truck as recited in claim 2, characterized in that a support tube (31) is provided on the pedal (3), the support tube (31) is fixedly connected with the pedal (3), the support tube (31) is rotatably connected with the mounting plate (5), and two ends of the tension spring (6) are respectively connected with the support tube (31) and the mounting plate (5).
4. The rear guard for a concrete mixer truck as set forth in claim 3, wherein a first connecting rod (311) is provided on said support tube (31), a second connecting rod (51) is provided on said mounting plate (5), and both ends of said tension spring (6) are connected to said first connecting rod (311) and said second connecting rod (51), respectively.
5. The rear guard device for a concrete mixer truck according to claim 3, further comprising a pin (81), wherein a first through hole (312) is formed in the support tube (31), a second through hole (52) is formed in the mounting plate (5), and the pin (81) is inserted into the first through hole (312) and the second through hole (52) simultaneously.
6. The rear guard for a concrete mixer truck according to claim 3, wherein said support pipes (31) are two in number, two support pipes (31) being provided at opposite ends of said step plate (3), respectively; the quantity of mounting panel (5) is two, two mounting panel (5) correspond two respectively stay tube (31) set up.
7. The rear protection device for the concrete mixing truck as recited in claim 1, characterized in that the pedal (3) is provided with a hollowed-out structure (32).
8. The rear guard for a concrete mixer truck according to claim 1, wherein said connecting pipe (4) is a rectangular pipe.
9. A concrete mixer truck comprising the rear fender of any one of claims 1 to 8.
10. The concrete mixer truck according to claim 9, characterized in that it further comprises a chassis (1), said side panels (2) being mounted and fixed on said chassis (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220044534.4U CN216508241U (en) | 2022-01-07 | 2022-01-07 | Rear protection device for concrete mixing transport vehicle and concrete mixing transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220044534.4U CN216508241U (en) | 2022-01-07 | 2022-01-07 | Rear protection device for concrete mixing transport vehicle and concrete mixing transport vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216508241U true CN216508241U (en) | 2022-05-13 |
Family
ID=81517184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220044534.4U Active CN216508241U (en) | 2022-01-07 | 2022-01-07 | Rear protection device for concrete mixing transport vehicle and concrete mixing transport vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216508241U (en) |
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2022
- 2022-01-07 CN CN202220044534.4U patent/CN216508241U/en active Active
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