阅读说明：本技术 一种主应用于内燃牵引车上的减震降噪装置 (Damping and noise-reducing device mainly applied to internal combustion tractor ) 是由 武彬华 阎向林 孙国辉 朱小藻 刘培路 姜涛 赵兴丁 马鹏程 于 2019-09-04 设计创作，主要内容包括：本发明公开了一种主应用于内燃牵引车上的减震降噪装置,属于一种消音设备；其技术方案要点是包括车体、安装在车体上的发动机以及安装在车体上的机罩；包括安装在机罩上的吸音棉,吸音棉位于发动机处的机罩上；车体还设有能够对发动机进行支撑以及减震的前减震和后减震。本发明解决了内燃牵引机噪音过大的问题,达到了能够减低噪音,且同时起到减震,能够降低隧道内噪音,提高工作效率以及提高发动机使用寿命的效果。(The invention discloses a damping and noise-reducing device mainly applied to an internal combustion tractor, belonging to a silencing device; the technical scheme is characterized by comprising a vehicle body, an engine arranged on the vehicle body and a hood arranged on the vehicle body; the engine cover comprises sound absorption cotton arranged on the engine cover, wherein the sound absorption cotton is positioned on the engine cover at the position of an engine; the automobile body still is equipped with and can supports and absorbing preceding shock attenuation and back shock attenuation to the engine. The invention solves the problem of over-high noise of the internal combustion tractor, and achieves the effects of reducing noise, simultaneously playing a role in damping, reducing noise in a tunnel, improving working efficiency and prolonging the service life of an engine.)

1. A shock absorption and noise reduction device mainly applied to an internal combustion tractor comprises a vehicle body (1), an engine (2) mounted on the vehicle body (1) and a hood (3) mounted on the vehicle body (1); the method is characterized in that: the sound absorption device also comprises sound absorption cotton (4) arranged on the hood (3), wherein the sound absorption cotton (4) is positioned on the hood (3) at the position of the engine (2);

the vehicle body (1) is also provided with a front shock absorber (5) and a rear shock absorber (6) which can support and absorb shock of the engine (2).

2. The device of claim 1, wherein the device is mainly applied to a shock absorption and noise reduction device of an internal combustion tractor, and is characterized in that: the front shock absorber (5) comprises front supporting legs (51) and a front support (52), the front supporting legs (51) comprise supporting plates (511) fixed on the vehicle body (1) and rectangular plates (512) bolted on the supporting plates (511), one sides of the rectangular plates (512) far away from the supporting plates (511) are fixedly connected with two inclined plates (513), and the lower ends of the two inclined plates (513) incline towards the direction of mutual approaching;

the front supporting leg (51) comprises a fixing plate (43) bolted with the engine (2), the upper end of the fixing plate (43) is fixedly connected with a transverse plate (41), a triangular block (523) in a regular triangle shape is arranged on the lower surface of the transverse plate (41), one plane of the triangular block (523) is fixedly connected with the lower surface of the transverse plate (41) in an attaching mode, and the triangular block (523) is located right above the two inclined plates (513);

equal fixedly connected with and its vertically cylinder (524) on the lateral wall of two slopes of triangle piece (523), fixedly connected with is by supplying cylinder (524) male drum (514) on the lateral wall that two swash plates (513) are close to each other, the interior bottom surface fixedly connected with damping spring (525) of drum (514), one end and cylinder (524) fixed connection that swash plate (513) were kept away from to damping spring (525).

3. A vibration/noise reduction device mainly used for an internal combustion tractor according to claim 2, wherein: the lower ends of the two inclined plates (513) are provided with reinforcing plates (54), and the two ends of each reinforcing plate (54) are fixedly connected with the lower ends of the two inclined plates (513) respectively.

4. A vibration/noise reduction device mainly used for an internal combustion tractor according to claim 2, wherein: the side wall of the supporting plate (511) far away from the rectangular plate (512) is fixedly connected with a ribbed plate (55), and the lower end of the ribbed plate (55) is attached to the surface of the vehicle body (1).

5. A vibration/noise reduction device mainly used for an internal combustion tractor according to claim 2, wherein: the corrugated pipe (53) is arranged outside the circumferences of the cylinder (524) and the cylinder (514), and two ends of the corrugated pipe (53) are respectively fixedly connected with the triangular block (523) and the inclined plate (513).

6. The device of claim 1, wherein the device is mainly applied to a shock absorption and noise reduction device of an internal combustion tractor, and is characterized in that: the rear shock absorber (6) comprises a support seat (61) fixed on the vehicle body (1) and an L-shaped mounting plate (62) arranged at the upper end of the support seat (61), and the vertical part of the mounting plate (62) is bolted with the engine (2);

two oil-resistant rubber plates (63) are arranged between the upper end of the supporting seat (61) and the horizontal part of the mounting plate (62), and a steel plate (64) is arranged between the two oil-resistant rubber plates (63);

two vertical rods (611) are fixedly connected to the upper surface of the supporting seat (61), and through holes (65) through which the vertical rods (611) can penetrate are formed in the oil-resistant rubber plate (63), the steel plate (64) and the mounting plate (62).

7. The device of claim 6, wherein the device is mainly applied to a shock absorption and noise reduction device of an internal combustion tractor, and is characterized in that: the thickness of the steel plate (64) is about 2 mm.

8. The device of claim 1, wherein the device is mainly applied to a shock absorption and noise reduction device of an internal combustion tractor, and is characterized in that: the sound-absorbing cotton (4) is sound-insulating egg cotton.

9. A shock-absorbing and noise-reducing device mainly applied to an internal combustion tractor according to claim 8, wherein: a plurality of transverse plates (41) are arranged below the sound absorption cotton (4) on the top surface of the hood (3), two ends of each transverse plate (41) are bolted to the side wall of the hood (3), the transverse plates (41) are uniformly distributed along the length direction of the hood (3), and a long-strip-shaped oil absorption plate (42) is embedded in the lower surface of each transverse plate (41).

10. A shock-absorbing and noise-reducing device mainly applied to an internal combustion tractor according to claim 9, wherein: the oil absorption plate (42) is made of carbonized corn straws.

Technical Field

The invention relates to silencing equipment, in particular to a damping and noise reducing device mainly applied to an internal combustion tractor.

Background

The internal combustion traction locomotive is a novel rail-mounted low-emission tunnel traction locomotive integrating the locomotive, electricity and liquid into a whole. The main vehicle is mainly suitable for long and large tunnel construction with long length and large gradient, and air pollution in the tunnel is greatly reduced by adopting national V emission standard.

The internal combustion tractor is mostly applied to tunnel construction, and the noise that the internal combustion tractor produced is very big, and still can produce the echo in the tunnel, so lead to the construction environment noise in the tunnel to be very big, cause the influence to the workman, lead to work efficiency low.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a damping and noise reducing device mainly applied to an internal combustion tractor, which achieves the purposes of reducing noise in a tunnel, reducing the influence of vibration on an engine, improving the working efficiency and prolonging the service life of the engine by matching sound-absorbing cotton and a damping component.

In order to achieve the purpose, the invention provides the following technical scheme: a shock absorption and noise reduction device mainly applied to an internal combustion tractor comprises a vehicle body, an engine mounted on the vehicle body and a hood mounted on the vehicle body; the sound absorption cotton is arranged on the hood and positioned on the hood at the engine;

the automobile body still is equipped with and can supports and absorbing preceding shock attenuation and back shock attenuation to the engine.

By adopting the technical scheme, the sound-absorbing cotton is arranged on the engine cover at the engine, so that the noise generated by the engine can be absorbed, and the decibel of the noise transmitted to the tunnel is reduced, thereby reducing the noise pollution in the tunnel, reducing the influence on workers and improving the working efficiency; the engine is installed on the automobile body through preceding shock attenuation and back shock attenuation, when internal combustion tractor takes place vibrations, preceding shock attenuation and back shock attenuation can play the absorbing purpose, reduce the influence that vibrations caused the engine.

The invention is further configured to: the front shock absorber comprises a front supporting leg and a front support, the front supporting leg comprises a supporting plate fixed on the vehicle body and a rectangular plate bolted on the supporting plate, one side of the rectangular plate far away from the supporting plate is fixedly connected with two inclined plates, and the lower ends of the two inclined plates incline towards the direction close to each other;

the front supporting leg comprises a fixing plate bolted with the engine, a transverse plate is fixedly connected to the upper end of the fixing plate, a triangular block of a regular triangle is arranged on the lower surface of the transverse plate, one plane of the triangular block is fixedly connected with the lower surface of the transverse plate in an attaching manner, and the triangular block is positioned right above the two inclined plates;

equal fixedly connected with and its vertically cylinder on the lateral wall of two slopes of triangle piece, fixedly connected with is by supplying cylinder male drum on the lateral wall that two swash plates are close to each other, the interior bottom surface fixedly connected with damping spring of drum, and damping spring keeps away from the one end and the cylinder fixed connection of swash plate.

Through adopting above-mentioned technical scheme, when producing vibrations, the damping spring that two slopes set up, the cushioning effect that plays that can be better, a spring that compares has better shock attenuation effect, connects through triangle piece and damping spring, can not occupy too big space at the engine, can not cause the influence to the installation use of engine.

The invention is further configured to: the lower extreme of two swash plates is equipped with the gusset plate, the both ends of gusset plate respectively with the lower extreme fixed connection of two swash plates.

Through adopting above-mentioned technical scheme, the gusset plate can make two swash plates connect and become a whole, and then can make two swash plates support each other, and the power upper limit that can make the swash plate bear is bigger.

The invention is further configured to: the side wall of the supporting plate far away from the rectangular plate is fixedly connected with a ribbed plate, and the lower end of the ribbed plate is attached to the surface of the vehicle body.

Through adopting above-mentioned technical scheme, can make better the installing on the automobile body of preceding shock attenuation, and then make the shock attenuation can be better support the engine before making.

The invention is further configured to: the circumference of the cylinder and the cylinder is externally provided with a corrugated pipe, and two ends of the corrugated pipe are respectively fixedly connected with the triangular block and the inclined plate.

Through adopting above-mentioned technical scheme, the bellows can shelter from drum and cylinder department, avoids in the oil stain entering drum in the engine, makes damping spring's use can not receive the influence, and then increases preceding absorbing life.

The invention is further configured to: the rear shock absorber comprises a supporting seat fixed on the vehicle body and an L-shaped mounting plate arranged at the upper end of the supporting seat, and the vertical part of the mounting plate is bolted with the engine;

two oil-resistant rubber plates are arranged between the upper end of the supporting seat and the horizontal part of the mounting plate, and a steel plate is arranged between the two oil-resistant rubber plates;

two vertical rods are fixedly connected to the upper surface of the supporting seat, and through holes for the vertical rods to penetrate through are formed in the oil-resistant rubber plate, the steel plate and the mounting plate.

By adopting the technical scheme, the rear shock absorber is positioned below the engine, tiny diesel oil leaks and remains in the working process of the engine, and the oil-resistant rubber plate has expansion resistance, so that the rear shock absorber cannot be used due to corrosion of the diesel oil; the cooperation of resistant oily rubber board and rigid plate plays the cushioning effect in, can also play the purpose of support, compares common spring shock attenuation, can reduce the range of vibrations about the engine, and the influence that better reduction caused the engine improves the life of engine.

The invention is further configured to: the thickness of the steel plate is about 2 mm.

Through adopting above-mentioned technical scheme, the steel sheet thickness is 2mm, when can playing the supporting role, still can not cause the influence to the absorbing action of back shock attenuation.

The invention is further configured to: the sound-absorbing cotton is sound-insulating egg cotton.

Through adopting above-mentioned technical scheme, the cotton surperficial unevenness shape of egg is more obvious to noise that produces the engine that can be better absorbs, improves the effect of inhaling the sound.

The invention is further configured to: a plurality of transverse plates are arranged below the sound absorption cotton on the top surface of the hood, two ends of each transverse plate are bolted with the side wall of the hood, the transverse plates are evenly distributed along the length direction of the hood, and a long-strip-shaped oil absorption plate is embedded into the lower surface of each transverse plate.

Through adopting above-mentioned technical scheme, when the engine work, can produce a little oil stain, oil stain absorption back on the egg is cotton, can cause the influence to the cotton sound absorption effect of egg, and oil absorption plate can absorb oil stain, avoids causing the influence to the cotton sound absorption effect of egg.

The invention is further configured to: the oil absorption plate is made of carbonized corn straws.

Through adopting above-mentioned technical scheme, carbonization maize straw has better oil absorption effect to diesel oil, and the engine of internal combustion tractor all is diesel engine, so carbonization maize straw can carry out better absorption to the oil stain, improves oil absorption's effect.

In summary, compared with the prior art, the invention has the following beneficial effects:

1. the sound absorption cotton is arranged in the hood and is egg sound absorption cotton, noise generated by an engine can be better absorbed, the oil absorption plate is arranged below the sound absorption cotton, oil stains can be absorbed, and the influence of the oil stains on the sound absorption effect of the sound absorption cotton is avoided;

2. preceding shock attenuation and back shock attenuation adopt different shock-absorbing structure, can be better support the shock attenuation to the engine, reduce the influence that vibrations caused to the engine, avoid the life of engine to cause the influence.

Drawings

FIG. 1 is a block diagram of an embodiment;

FIG. 2 is a block diagram of a highlighting engine in an embodiment;

FIG. 3 is a view showing the structure of the cross board in the embodiment;

FIG. 4 is a structural view for highlighting front and rear shock absorption in the embodiment;

FIG. 5 is a structural view of a front cushion in the embodiment;

FIG. 6 is an exploded view of the highlighted triangular block in the example;

fig. 7 is an exploded view of the rear shock absorbing structure in the embodiment.

In the figure: 1. a vehicle body; 2. an engine; 3. a hood; 31. a vent; 32. a grid plate; 4. sound-absorbing cotton; 41. a transverse plate; 42. an oil suction plate; 43. a fixing plate; 44. fixing the bolt; 5. front shock absorption; 51. a front leg; 511. a support plate; 512. a rectangular plate; 513. a sloping plate; 514. a cylinder; 52. a front bracket; 521. a connecting plate; 522. a stress plate; 523. a triangular block; 524. a cylinder; 525. a damping spring; 53. a bellows; 54. a reinforcing plate; 55. a rib plate; 6. rear shock absorption; 61. a supporting seat; 611. a vertical rod; 62. mounting a plate; 63. an oil-resistant rubber sheet; 64. a steel plate; 65. and a through hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b): a vibration/noise reduction apparatus mainly applied to an internal combustion tractor, as shown in fig. 1 and 2, includes a vehicle body 1, an engine 2 mounted on the vehicle body 1, and a hood 3 mounted on the vehicle body 1; the hood 3 can protect the engine 2, and the influence of the external environment on the engine 2 is reduced.

As shown in fig. 1 and 2, a ventilation opening 31 is further provided on the hood 3, and a grid plate 32 is installed at the ventilation opening 31; then can play ventilation cooling's purpose, can also reduce the probability that the rainwater got into, avoid the high temperature in the aircraft bonnet 3, reduce the probability that engine 2 received the temperature influence.

Fixed connection has on the aircraft bonnet 1 is close to the inner wall around the engine 2 inhales the sound cotton 4, inhales the sound cotton 4 and is the egg cotton, and engine 2 can produce great noise at the in-process of work, inhales the noise that the sound cotton 4 can produce engine 2 and absorbs, reduces the noise that distributes away, avoids causing the influence to operational environment to the reduction can not cause the influence to workman's work efficiency.

As shown in fig. 2 and 3, be located 4 below of inhaling of aircraft bonnet 3 top and be equipped with diaphragm 41, the lower surface of diaphragm 41 inlays and is equipped with oil absorption plate 42, oil absorption plate 42 is made by carbonization corn stalk, engine 2 on the internal combustion tractor generally is the diesel engine, and engine 2 has the oil stain departure of part at the in-process of work, if the oil stain adsorbs on inhaling sound cotton 4, can lead to inhaling the sound absorption effect reduction of sound cotton 4 after the time overlength, carbonization corn stalk has better oil absorption effect, and then make oil absorption plate 42 can absorb the oil stain, avoid the oil stain absorption on inhaling sound cotton 4, make to inhale sound cotton 4 can play the effect of absorbed noise always.

As shown in fig. 2 and 3, the fixing plates 43 are fixedly connected to both ends of the transverse plate 41, the fixing plates 43 are perpendicular to the lower surface of the transverse plate 41, the fixing bolts 44 are inserted into the fixing plates 43, and the tail ends of the fixing bolts 44 are in threaded connection with the hood 3, so that the transverse plate 41 can be installed in the hood 3 and cannot be attached to the sound-absorbing cotton 4, the use of the sound-absorbing cotton 4 cannot be affected, the transverse plate 41 is convenient to detach, and the oil-absorbing plate 42 can be replaced.

As shown in fig. 5 and 6, a front damper 5 and a rear damper 6 are further provided at the engine 2; the front shock absorber 5 comprises a front leg 51 and a front bracket 52, the front leg 51 is fixed on the vehicle body 1, the front bracket 52 is bolted with the side wall of the engine 2, the front leg 51 comprises a support plate 511 and a rectangular plate 512 which is bolted on the support plate 511, two inclined sloping plates 513 are fixedly connected on the rectangular plate 512, and the lower ends of the sloping plates 513 incline towards the direction of approaching each other; the front bracket 52 comprises a connecting plate 521 bolted with the side wall of the engine 2 and a stress plate 522 fixedly connected with the upper end of the connecting plate 521, the lower surface of the stress plate 522 is fixedly connected with a triangular block 523 in a regular triangle, one side wall of the triangular block 523 is fixedly connected with the stress plate 522, so that one vertex angle of the triangular block 523 faces downwards, the triangular block 523 is attached to the side wall of the rectangular plate 512, and the triangular block 523 is positioned above the inclined plate 513; a cylinder 524 is fixedly connected to each of the two inclined surfaces of the triangular block 523, a cylinder 514 is fixedly connected to the surface of the inclined plate 513 close to the triangular block 523, one end of the cylinder 524, far away from the triangular block 523, extends into the cylinder 514, a damping spring 525 is fixedly connected to one end of the cylinder 524, far away from the cylinder 524, and the bottom surface of the cylinder 514 is fixedly connected to one end of the damping spring 525; when the internal combustion tractor shakes, damping spring 525 atress produces bounce, reaches absorbing purpose, and damping spring 525 inclines to set up, can play better shock attenuation effect.

As shown in fig. 5 and 6, the corrugated pipe 53 is arranged between the inclined plate 513 and the triangular block 523, and the corrugated pipe 53 is sleeved on the cylinder 524 and the cylinder 514, so that the probability of oil stain in the cylinder 514 can be reduced, the front shock absorber 5 can be used more smoothly, and the service life of the front shock absorber 5 is prolonged; a reinforcing plate 54 is further arranged between the lower ends of the two inclined plates 513, and two ends of the reinforcing plate 54 are respectively and fixedly connected with the lower ends of the two inclined plates 513, so that the two inclined plates 513 are connected into a whole, and the inclined plates 513 can bear larger force; and the side wall of the supporting plate 511 far away from the rectangular plate 512 is also fixedly connected with a ribbed plate 55, and the ribbed plate 55 can ensure that the supporting plate 511 is more stably fixed on the vehicle body 1, so that the front shock absorber 5 is more stably installed.

As shown in fig. 7, the rear cushion 6 includes a support base 61 fixed to the vehicle body 1 and an L-shaped mounting plate 62 mounted on an upper end of the support base 61, a vertical portion of the mounting plate 62 being bolted to the engine 2; two oil-resistant rubber plates 63 are arranged between the upper surface of the supporting seat 61 and the horizontal part of the mounting plate 62, a steel plate 64 is arranged between the two oil-resistant rubber plates 63, and the thickness of the steel plate 64 is 2 mm; the two oil-resistant rubber plates 63 are respectively attached to the supporting seat 61 and the mounting plate 62; the supporting seat 61 is fixedly connected with two vertical rods 611, and the oil-resistant rubber plate 63, the steel plate 64 and the mounting plate 62 are all provided with through holes 65 through which the vertical rods 611 can pass; the oil-resistant rubber plate 63 has elasticity and can play a role in shock absorption, the steel plate 64 is high in hardness and located between the two oil-resistant rubber plates 63, the steel plate 64 and the oil-resistant rubber plate 63 are matched, the service life of the rear shock absorber 6 can be prolonged, and the situation that the rear shock absorber cannot be used due to excessive impact force is avoided.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.