CN217074152U - Impact noise reduction device for carriage rear door plate of dump truck - Google Patents
Impact noise reduction device for carriage rear door plate of dump truck Download PDFInfo
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- CN217074152U CN217074152U CN202221066341.5U CN202221066341U CN217074152U CN 217074152 U CN217074152 U CN 217074152U CN 202221066341 U CN202221066341 U CN 202221066341U CN 217074152 U CN217074152 U CN 217074152U
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Abstract
The utility model discloses a self-discharging automobile anti-carriage rear door plate impact noise reduction device, which comprises a noise reduction mechanism main body, wherein the noise reduction mechanism main body is used in pairs, symmetrically installed at the lower corner of a carriage side door plate respectively and welded and fixed by a seat plate and the carriage side door plate, and consists of a flange type oil cylinder, a piston rod, a top, a buffer pad, a screw, a spring, a rubber pad, a throttle valve, an oil tank, an oil port cap, a seat plate, an oil cylinder mounting seat, a rib plate and an impact seat; when unloading, the blotter of the outer terminal surface of top collides with the impact seat, and simultaneously, the impact force that the door plant swing produced is absorbed and is released by the return oil resistance that spring and hydro-cylinder produced through the choke valve behind the carriage to thoroughly eliminated the "when" sound that the door plant bumps the carriage side door board end and produces behind the carriage, avoided the damage problem of the relevant spare part because of door plant impact force causes behind the carriage, practiced thrift cost of maintenance, improved vehicle efficiency on duty.
Description
Technical Field
The utility model relates to the technical field of automobiles, specifically be a device of making an uproar falls in carriage back door plant striking is prevented to dump truck.
Background
In the existing process of mining iron ores, stripping rocks and ore materials are conveyed to a crushing station, a dry separation plant, vibration ore drawing, a transfer line and an inner discharge point in a steam conveying mode and then conveyed to the next link by a belt conveyor, an electric locomotive and a self-discharging mine car. After the dump car finishes the unloading operation, the carriage slowly falls, and when not completely righting, the vehicle runs in hurry, and inertia force makes the door plant swing by a wide margin behind the carriage, strikes the both side plate end surfaces of the carriage, and gives out a large sound. The car cab has the advantages that the car cab not only causes harm to physical and mental health of drivers and surrounding operating personnel, but also has great influence on daily production and life of surrounding villagers (the old people with poor sleep and weak bodies in the surrounding villages put forward noise pollution problems to related departments for many times), and meanwhile, friction damage of a hinge pin connected with a door panel behind a carriage is aggravated, and the car cab is frequently replaced. Therefore, not only is manpower and material consumption increased, but also the vehicle attendance rate is reduced. Therefore, the problems of noise pollution and disturbance to residents in the unloading operation of the dump car are solved, and the problem is not easy to be solved.
At present, dump trucks are commonly used in enterprises such as mines, docks and the like in China, and effective anti-collision devices are not installed on rear door plates of carriages of the dump trucks, so that the same common problem inevitably exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device of making an uproar falls in door plant striking behind self-discharging automobile prevents carriage, when solving the self-discharging automobile operation of unloading, the door plant swing impacts side door board terminal surface noise pollution and the frequent damage problem of round pin axle behind the carriage.
In order to achieve the above object, the utility model provides a following technical scheme:
a self-discharging automobile anti-carriage rear door plate impact noise reduction device comprises a noise reduction mechanism main body, wherein the noise reduction mechanism main body consists of a flange type oil cylinder, a piston rod, a top, a buffer pad, a screw, a spring, a rubber pad, a throttle valve, an oil tank, an oil port cap, a seat plate, an oil cylinder mounting seat, a rib plate and an impact seat; an oil cylinder mounting seat is welded on the seat plate and used for being mounted in a matched mode with the flange type oil cylinder, one end of the flange type oil cylinder is connected with a piston rod, and a piston, a rubber pad, a spring, a rubber pad and a jacking head are sequentially arranged on the piston rod from left to right; the top is connected to the end of the piston rod through threads, and the outer end face of the top is connected with a cushion pad through a screw; the other end of the flange type oil cylinder is sequentially connected with the throttle valve and the oil tank through oil pipe threads, and an oil port cap is arranged at the upper part of the oil tank.
Furthermore, the noise reduction mechanism main bodies are used in pairs, symmetrically installed at the lower corners of the carriage side door plates respectively, and welded and fixed by the seat plates and the carriage side door plates.
Furthermore, the buffer pad on the outer end face of the plug corresponds to the impact seat in position, and the impact seat is welded on the carriage rear door panel.
Furthermore, the flange type oil cylinder adopts a self-suction structure and is fixed in the oil cylinder mounting seat through a bolt.
Furthermore, rubber pads are correspondingly arranged on the connecting end surfaces of the piston rod, the flange type oil cylinder and the top head, and the spring is sleeved on the piston rod.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides a self-discharging automobile anti-carriage rear door plate impact noise reduction device, which is characterized in that a noise reduction mechanism main body is symmetrically arranged on a carriage side door plate and corresponds to the position of an impact seat on a carriage rear door plate; the buffer pad on the mechanism main part of making an uproar falls in the striking seat striking when door plant swings behind the carriage to adjust flange formula hydro-cylinder by choke valve, oil tank, thereby absorb and release the impact that door plant swing produced behind the carriage, not only thoroughly solved the disturbing citizen problem of self-discharging car noise pollution, still avoided the damage problem of the relevant spare part because of door plant impact force causes behind the carriage, practiced thrift cost of maintenance, improved vehicle efficiency of going out for work.
2. The utility model provides a pair of door plant striking noise reduction device behind carriage is prevented to dump truck, its flange formula hydro-cylinder adopt from inhaling formula structural design, do not need the power supply, design benefit, compact structure, simple to operate uses safe and reliable, has filled current dump truck trade blank.
Drawings
FIG. 1 is a schematic view of the installation position of the whole structure when the rear door panel of the present invention is locked;
FIG. 2 is a view of the present invention taken along line A of FIG. 1;
FIG. 3 is a schematic view of the whole structure of the door panel during door opening after unloading operation;
FIG. 4 is a schematic view of the present invention shown in FIG. 3B;
FIG. 5 is a right side view of the present invention in FIG. 4;
FIG. 6 is a schematic view of the present invention at FIG. 3C;
fig. 7 is a right side view of the present invention shown in fig. 6.
In the figure: 1. a flange-type oil cylinder; 2. a piston; 3. a piston rod; 4. ejecting the head; 401. a cushion pad; 402. a screw; 5. a spring; 501. a rubber pad; 6. a throttle valve; 7. an oil tank; 701. an oil port cap; 8. a seat plate; 801. an oil cylinder mounting base; 802. a rib plate; 9. a side door panel of the carriage; 10. an impact base; 11. a carriage rear door panel; 12. the mechanism main part of making an uproar falls.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-7, an embodiment of the present invention provides a device for preventing impact and noise reduction of a carriage rear door panel of a dump truck, including a noise reduction mechanism main body 12, the noise reduction mechanism main body 12 is used in pairs, symmetrically installed at a lower corner of a carriage side door panel 9, and fixed by welding a seat plate 8 and the carriage side door panel 9, the noise reduction mechanism main body 12 is composed of a flange type oil cylinder 1, a piston 2, a piston rod 3, a top 4, a cushion 401, a screw 402, a spring 5, a rubber pad 501, a throttle valve 6, an oil tank 7, an oil port cap 701, the seat plate 8, an oil cylinder mounting seat 801, a rib plate 802 and an impact seat 10; an oil cylinder mounting seat 801 is welded on the seat plate 8, the oil cylinder mounting seat 801 is used for being mounted in a matched mode with the flange type oil cylinder 1, one end of the flange type oil cylinder 1 is connected with a piston rod 3, and a piston 2, a rubber pad 501, a spring 5, the rubber pad 501 and a top head 4 are sequentially arranged on the piston rod 3 from left to right; the top head 4 is connected with the end part of the piston rod 3 through threads, and the outer end surface of the top head 4 is connected with a cushion pad 401 through a screw 402; the other end of the flange type oil cylinder 1 is sequentially connected with a throttle valve 6 and an oil tank 7 through oil pipe threads, and an oil port cap 701 is arranged at the upper part of the oil tank 7.
The embodiment of the utility model provides an in the outer terminal surface of top 4 blotter 401 with strike seat 10 the position corresponding, strike seat 10 welding on door plant 11 behind the carriage, door plant 11 collides with blotter 401 in advance by strikeing seat 10 when taking place the striking behind the carriage, reaches the purpose of making an uproar of elementary falling.
The embodiment of the utility model provides an in flange formula hydro-cylinder 1 adopt from inhaling formula structure, it passes through the bolt fastening in hydro-cylinder mount pad 801, from inhaling formula structural design, does not need the power supply, design benefit, compact structure, simple to operate uses safe and reliable, has filled china's dump truck trade blank.
The embodiment of the utility model provides an in piston rod 3 correspond installation rubber pad 501 on the terminal surface of being connected with flange formula hydro-cylinder 1 and top 4, spring 5 cup joints on piston rod 3, can play the effect of shock attenuation buffering, further reduces the striking dynamics.
For further better explanation the embodiment of the utility model provides a still provide a self-discharging automobile prevents door plant striking noise reduction device's behind the carriage method of making an uproar that falls, including following step:
the first step is as follows: when the carriage jacks up for unloading, the rear door panel 11 of the carriage is opened, the piston rod 3 moves to the right under the action of the spring 5, and meanwhile, oil in the oil tank 7 is sucked into the flange type oil cylinder 1;
the second step is that: after the unloading is finished, in the whole carriage descending and resetting process, the carriage rear door panel 11 swings, firstly, the impact seat 10 arranged on the carriage rear door panel 11 impacts the buffer cushion 401, the impact force generated by the swinging of the carriage rear door panel 11 is absorbed and released by the spring 5 and the oil return resistance generated by the flange type oil cylinder 1 through the throttle valve 6, and therefore the 'bang' noise generated when the carriage rear door panel 11 impacts the end face of the carriage side door panel 9 is eliminated.
In summary, the following steps: the utility model provides a self-discharging automobile anti-carriage rear door plate impact noise reduction device, which is characterized in that a noise reduction mechanism main body 12 is symmetrically arranged on a carriage side door plate 9 and corresponds to the position of an impact seat 10 on a carriage rear door plate 11; the buffer pad 401 on the mechanism main body 12 of making an uproar falls in the striking seat 10 striking when door plant swings behind the carriage to adjust flange formula hydro-cylinder 1 by choke valve 6, oil tank 7, thereby absorb and release the impact that door plant 11 swings behind the carriage produced, not only thoroughly solved the noisy pollution of dump truck and disturbed the citizen problem, still avoided the damage problem of the relevant spare part because of door plant 11 impact force causes behind the carriage, practiced thrift cost of maintenance, improved vehicle efficiency of attendance.
The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the design of the present invention within the technical scope of the present invention.
Claims (5)
1. A device for preventing a carriage rear door panel from being impacted and reducing noise of a dump truck comprises a noise reduction mechanism main body (12), and is characterized in that the noise reduction mechanism main body (12) consists of a flange type oil cylinder (1), a piston (2), a piston rod (3), a top (4), a cushion pad (401), a screw (402), a spring (5), a rubber pad (501), a throttle valve (6), an oil tank (7), an oil port cap (701), a seat plate (8), an oil cylinder mounting seat (801), a rib plate (802) and an impact seat (10); an oil cylinder mounting seat (801) is welded on the seat plate (8), the oil cylinder mounting seat (801) is used for being mounted in a matched mode with the flange type oil cylinder (1), one end of the flange type oil cylinder (1) is connected with a piston rod (3), and a piston (2), a rubber pad (501), a spring (5), the rubber pad (501) and a top head (4) are sequentially arranged on the piston rod (3) from left to right; the top head (4) is connected to the end part of the piston rod (3) through threads, and the outer end face of the top head (4) is connected with a cushion pad (401) through a screw (402); the other end of the flange type oil cylinder (1) is sequentially connected with a throttle valve (6) and an oil tank (7) through oil pipe threads, and an oil port cap (701) is arranged on the upper portion of the oil tank (7).
2. The device of claim 1 for preventing the rear door panel of the carriage from colliding and reducing the noise of the dump truck, wherein: the noise reduction mechanism main bodies (12) are used in pairs, symmetrically installed at the lower corners of the carriage side door plates (9) respectively, and welded and fixed with the carriage side door plates (9) through seat plates (8).
3. The device of claim 2, wherein the device for preventing the rear door panel of the dump truck from colliding and reducing the noise comprises: the buffer pad (401) on the outer end face of the top (4) corresponds to the impact seat (10), and the impact seat (10) is welded on the carriage rear door panel (11).
4. The device of claim 3, wherein the device for preventing the rear door panel of the dump truck from colliding and reducing the noise comprises: the flange type oil cylinder (1) adopts a self-suction structure and is fixed in the oil cylinder mounting seat (801) through bolts.
5. The device of claim 4, wherein the device for preventing the rear door panel of the dump truck from colliding and reducing the noise comprises: the piston rod (3) is correspondingly provided with a rubber pad (501) on the connecting end surface of the flange type oil cylinder (1) and the top head (4), and the spring (5) is sleeved on the piston rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221066341.5U CN217074152U (en) | 2022-05-06 | 2022-05-06 | Impact noise reduction device for carriage rear door plate of dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221066341.5U CN217074152U (en) | 2022-05-06 | 2022-05-06 | Impact noise reduction device for carriage rear door plate of dump truck |
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| CN217074152U true CN217074152U (en) | 2022-07-29 |
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| CN202221066341.5U Active CN217074152U (en) | 2022-05-06 | 2022-05-06 | Impact noise reduction device for carriage rear door plate of dump truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114701418A (en) * | 2022-05-06 | 2022-07-05 | 安徽马钢矿业资源集团南山矿业有限公司 | Impact noise reduction device and noise reduction method for carriage rear door plate of dump truck |
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2022
- 2022-05-06 CN CN202221066341.5U patent/CN217074152U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114701418A (en) * | 2022-05-06 | 2022-07-05 | 安徽马钢矿业资源集团南山矿业有限公司 | Impact noise reduction device and noise reduction method for carriage rear door plate of dump truck |
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