CN210239234U - Pump truck automobile body sound insulation mechanism - Google Patents
Pump truck automobile body sound insulation mechanism Download PDFInfo
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- CN210239234U CN210239234U CN201920377505.8U CN201920377505U CN210239234U CN 210239234 U CN210239234 U CN 210239234U CN 201920377505 U CN201920377505 U CN 201920377505U CN 210239234 U CN210239234 U CN 210239234U
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Abstract
The utility model discloses a pump truck automobile body noise insulation mechanism, its concrete acoustic celotex board unit including setting up the both sides at the sweep of pump truck, its characterized in that: the sound insulation board units comprise connecting mechanisms fixedly connected with the side faces of the vehicle boards, lower sound insulation boards connected with the connecting mechanisms, and upper sound insulation boards connected with the lower sound insulation boards are inclined upwards towards the space between the two sound insulation board units; this scheme belongs to pump truck field that gives sound insulation, and its advantage lies in: the sound insulation board unit is formed by splicing a plurality of sub sound insulation boards through U-shaped clamping grooves formed in the stand column, the splicing is simple and convenient, the length can be adjusted, and the occupied area is small; the upper sound insulation plate in the sound insulation plate unit inclines upwards towards the inner side, so that noise generated when the pump truck works can be effectively prevented from being transmitted to the outside of the sound insulation shed through the upper part; the sound insulation board units are connected through the cross bars, and the structure is stable.
Description
Technical Field
The utility model relates to a pump truck automobile body noise insulation mechanism belongs to the noise control field.
Background
On the construction site, the noise generated when the vehicle-mounted concrete pump truck works has great influence on the areas of the surrounding work and life.
To existing vehicle-mounted concrete pump noise reduction equipment, through connecting into a cube support body with the bracing piece dismantlement, plural track is laid at the interval on the bracing piece, establishes the abatvoix in the track, and this vehicle-mounted concrete pump noise reduction equipment's support system is formed by shaped steel socket joint, adopts comprehensive sealing to the concrete, and the high noise that the engine produced reaches the noise reduction effect through the abatvoix. However, the noise reduction equipment is large in whole, a vehicle-mounted concrete pump is packaged inside, the occupied space is large, the number of assembly workers is large, the assembly time is long, the flexibility is insufficient, a large enough field must be provided on site to achieve the purpose, the splicing sealing performance between sound absorbing plates is insufficient, noise sound waves can be transmitted along the direction of the vehicle-mounted concrete pump, and the sound source isolation effect is not achieved in all directions.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a pump truck automobile body noise insulation mechanism, its advantage lies in: the baffle unit that the sweep both sides at the pump truck set up and constitute by the concatenation of sub-baffle, and well baffle in the baffle unit is towards inboard tilt up, and the sub-baffle is in the same place through establishing the concatenation of the U type draw-in groove on the stand, and this kind of pump truck automobile body noise insulation mechanism concatenation is simple and convenient, length is adjustable, and area is little.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
the utility model provides a pump truck automobile body noise insulation mechanism, is including setting up the acoustic celotex board unit in the both sides of the sweep of pump truck, the acoustic celotex board unit include with sweep side fixed connection's coupling mechanism, with the lower acoustic celotex board that coupling mechanism is connected, with the last acoustic celotex board of being connected of lower acoustic celotex board orientation space tilt up between two acoustic celotex board units.
In the sound insulation mechanism for the pump truck body, the upper sound insulation plate is formed by splicing a plurality of sub sound insulation plates; the lower sound insulation board is formed by splicing a plurality of sub sound insulation boards.
In the sound insulation mechanism for the pump truck body, the connecting mechanism comprises square steel connected with the side face of the truck plate and a stand column connected with the square steel, and the sub sound insulation plate is connected to the stand column through a U-shaped clamping groove connecting piece.
In the sound insulation mechanism for the pump truck body, the upright column comprises an upper column body and a lower column body, and the upper column body inclines towards the space between the two sound insulation board units.
In the sound insulation mechanism for the pump truck body, one or more cross rods are arranged between the two sound insulation plate units.
In the sound insulation mechanism for the pump truck body, two ends of the cross rod are connected to the upright post.
In the sound insulation mechanism for the pump truck body, two ends of the cross rod are connected to the lower column.
In the sound insulation mechanism for the pump truck body, the connecting piece mechanism further comprises triangular reinforcing pieces arranged on two sides of the square steel; the square steel and the upright post are connected through two connecting plates with bolt holes; bolts are arranged in the bolt holes of the two connecting plates.
In the above-mentioned pump truck automobile body noise insulation mechanism, the sub-acoustic celotex board by planking and inner panel and setting up the unit that absorbs sound between planking and inner panel, its characterized in that: the inner plate is provided with a plurality of sound absorbing holes; the sound absorption and insulation unit comprises a non-woven fabric layer, a rock wool board layer and a rubber sound insulation felt layer which are sequentially arranged, and an air layer is arranged between the non-woven fabric layer and the inner plate; the sound absorbing hole is provided with a shielding cover.
The beneficial effects of the utility model reside in that:
the sound insulation board unit is formed by splicing a plurality of sub sound insulation boards through U-shaped clamping grooves formed in the stand column, the splicing is simple and convenient, the length can be adjusted, and the occupied area is small; the upper sound insulation plate in the sound insulation plate unit inclines upwards towards the inner side, so that noise generated when the pump truck works can be effectively prevented from being transmitted to the outside of the sound insulation shed through the upper part; the sound insulation board units are connected through the cross bars, and the structure is stable.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a front view of the present invention;
fig. 2 is a left side view of the present invention;
FIG. 3 is a partial enlarged view of the middle support structure of the present invention;
FIG. 4 is a partial view of the U-shaped slot and the column body of the present invention;
FIG. 5 is a cross-sectional view of a neutron baffle of the present invention;
FIG. 6 is a schematic view of the sound-proof housing on the inner panel of the present invention;
the labels in the figures are: 1-lower sound insulation board, 2-upper sound insulation board, 3-sub sound insulation board, 4-square steel, 5-U-shaped clamping groove, 6-upper column body, 7-lower column body, 8-cross rod, 9-triangular reinforcing member, 10-connecting board, 11-bolt hole, 12-inner plate, 13-air layer, 14-non-woven fabric layer, 15-rock wool board layer, 16-rubber sound insulation felt layer, 17-outer plate and 18-sound insulation cover.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-6, the present invention provides the following embodiments.
Example 1: the utility model provides a pump truck automobile body noise insulation mechanism, is including setting up the acoustic celotex board unit in the both sides of the sweep of pump truck, the acoustic celotex board unit include with sweep side fixed connection's coupling mechanism, with coupling mechanism be connected down acoustic celotex board 1, with the space tilt up between two acoustic celotex board units of the last acoustic celotex board 2 orientation that acoustic celotex board 1 is connected down.
In this embodiment, lower acoustic celotex board 1 passes through coupling mechanism to be fixed in the sweep both sides, goes up acoustic celotex board 2 and is connected with lower acoustic celotex board 1 and fix on the sweep, goes up acoustic celotex board 2 for the acoustic celotex board towards the inboard tilt up of sweep, and the design of going up the acoustic celotex board can effectively obstruct the noise that the pump truck during operation produced upwards propagate outside the sound insulation region.
In this embodiment, last acoustic celotex board 2 by the concatenation of polylith sub-acoustic celotex board 3 be constituteed together, lower acoustic celotex board 1 also constitute by the concatenation of polylith sub-acoustic celotex board 3, last acoustic celotex board 2 with lower acoustic celotex board 1 concatenation form the sound insulation barrier together, effective absorption, separation noise.
In this embodiment, the connecting mechanism includes a square steel 4 connected to the side surface of the vehicle body panel, and an upright post connected to the square steel 4, and the sub sound insulation panel 3 is connected to the upright post through a connecting piece of a U-shaped clamping groove 5; the sub-sound insulation boards 3 are simple and convenient to assemble, and the sound insulation board units can be adjusted in size through the splicing structure, so that the sound insulation board units are better suitable for different area requirements.
In this embodiment, the pillar includes an upper pillar 6 and a lower pillar 7, the upper pillar 6 being inclined toward a space between two baffle units; go up acoustic celotex board 2 and be connected with last cylinder 6 through U type draw-in groove, lower acoustic celotex board unit passes through U type draw-in groove and is connected with lower cylinder 7.
In this embodiment, be equipped with one or more horizontal poles 8 between two septum caps units, two septum caps units link together through middle horizontal pole, can improve whole noise insulation mechanism's steadiness, and horizontal pole quantity between the septum caps unit is in direct proportion with noise insulation mechanism's steadiness.
In this embodiment, two ends of the cross bar 8 are connected to the columns, and two ends of the cross bar 8 are connected to the lower columns 7; the sound insulation board unit is connected with a cross rod 8 through a lower column body 7 of the upright column, the length of the cross rod 8 is slightly wider than the width of the vehicle body, and the cross rod 8 can be erected on side plates on two sides of the vehicle.
In this embodiment, the connector mechanism further comprises triangular reinforcing members 9 arranged on both sides of the square steel 4; the square steel 4 and the upright post are connected through two connecting plates 10 with bolt holes 11; bolts are arranged in the bolt holes 11 of the two connecting plates 10; lower cylinder 7 is connected with top connecting plate 10, and square steel 4 is connected with below connecting plate 10, and the bolt on the connecting plate passes through bolt hole 11 and will descend cylinder 7, connecting plate 10, square steel 4 to connect gradually and stabilize in the both sides of sweep, is equipped with triangle-shaped reinforcement 9 in square steel both sides and can effectively improve whole noise insulation mechanism's the steadiness of being connected with the sweep.
In the present embodiment, the sub sound insulating panel 3 is composed of an outer panel 17 and an inner panel 12, and a sound absorbing and insulating unit disposed between the outer panel 17 and the inner panel 12, and is characterized in that: a plurality of sound absorbing holes are formed in the inner plate 12; the sound absorption and insulation unit comprises a non-woven fabric layer 14, a rock wool board layer 15 and a rubber sound insulation felt layer 16 which are sequentially arranged, and an air layer 13 is arranged between the non-woven fabric layer 14 and the inner board 12; the sound absorption hole is provided with a shielding cover 18; the isolation cover 18 arranged on the sound absorption hole can effectively prevent liquid drops and dust from blocking and damaging the non-woven fabric layer 14, improve the sound absorption and insulation effect and prolong the service life of the sound insulation board.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a pump truck automobile body noise insulation mechanism, is including setting up the acoustic celotex board unit in the both sides of the sweep of pump truck, its characterized in that: the sound insulation board units comprise a connecting mechanism fixedly connected with the side face of the vehicle board, a lower sound insulation board (1) connected with the connecting mechanism, and an upper sound insulation board (2) connected with the lower sound insulation board (1) and inclined upwards towards the space between the two sound insulation board units.
2. The sound-proofing mechanism for pump truck bodies of claim 1, characterized in that: the upper sound insulation board (2) is formed by splicing a plurality of sub sound insulation boards (3); the lower sound insulation board (1) is formed by splicing a plurality of sub sound insulation boards (3).
3. The sound-proofing mechanism for pump truck bodies of claim 2, characterized in that: the connecting mechanism comprises square steel (4) connected with the side face of the vehicle plate and an upright post connected with the square steel, and the sub sound insulation plate (3) is connected to the upright post through a U-shaped clamping groove (5) connecting piece.
4. The sound-proofing mechanism for pump truck bodies of claim 3, characterized in that: the upright column comprises an upper column body (6) and a lower column body (7), wherein the upper column body (6) inclines towards the space between the two sound insulation board units.
5. The sound-proofing mechanism for pump truck bodies of claim 4, wherein: one or more cross bars (8) are arranged between the two baffle units.
6. The sound-proofing mechanism for pump truck bodies of claim 5, characterized in that: two ends of the cross rod (8) are connected to the upright posts.
7. The sound-proofing mechanism for pump truck bodies of claim 6, characterized in that: the two ends of the cross rod (8) are connected to the lower column (7).
8. The sound-proofing mechanism for pump truck bodies of claim 3, characterized in that: the connecting piece mechanism also comprises triangular reinforcing pieces (9) arranged on two sides of the square steel (4); the square steel (4) is connected with the upright post through two connecting plates (10) with bolt holes (11); bolts are arranged in the bolt holes (11) of the two connecting plates (10).
9. The sound-proofing mechanism for pump truck bodies of claim 2, characterized in that: the sub sound insulation board (3) consists of an outer board (17), an inner board (12) and a sound absorption and insulation unit arranged between the outer board (17) and the inner board (12); a plurality of sound absorbing holes are formed in the inner plate (12); the sound absorption and insulation unit comprises a non-woven fabric layer (14), a rock wool board layer (15) and a rubber sound insulation felt layer (16) which are sequentially arranged, and an air layer (13) is arranged between the non-woven fabric layer (14) and the inner plate (12); the sound absorbing hole is provided with a shielding cover (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920377505.8U CN210239234U (en) | 2019-03-25 | 2019-03-25 | Pump truck automobile body sound insulation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920377505.8U CN210239234U (en) | 2019-03-25 | 2019-03-25 | Pump truck automobile body sound insulation mechanism |
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| Publication Number | Publication Date |
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| CN210239234U true CN210239234U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920377505.8U Active CN210239234U (en) | 2019-03-25 | 2019-03-25 | Pump truck automobile body sound insulation mechanism |
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| CN (1) | CN210239234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211409A (en) * | 2020-10-21 | 2021-01-12 | 上海市政工程设计研究总院（集团）有限公司 | Noise reduction device for concrete pump truck |
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2019
- 2019-03-25 CN CN201920377505.8U patent/CN210239234U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211409A (en) * | 2020-10-21 | 2021-01-12 | 上海市政工程设计研究总院（集团）有限公司 | Noise reduction device for concrete pump truck |
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