CN221068251U - Cab noise reduction device for engineering machinery - Google Patents

Cab noise reduction device for engineering machinery Download PDF

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Publication number
CN221068251U
CN221068251U CN202322891858.9U CN202322891858U CN221068251U CN 221068251 U CN221068251 U CN 221068251U CN 202322891858 U CN202322891858 U CN 202322891858U CN 221068251 U CN221068251 U CN 221068251U
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CN
China
Prior art keywords
cab
seat
noise reduction
reduction device
box
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Active
Application number
CN202322891858.9U
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Chinese (zh)
Inventor
李海青
孙平
吴昱东
黄虹溥
计端
严旺
陈晖�
曾明杰
李贝
文强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest Jiaotong University
Liuzhou Vocational and Technical College
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Southwest Jiaotong University
Liuzhou Vocational and Technical College
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Abstract

The utility model discloses a cab noise reduction device for engineering machinery, which comprises a cab box and a top cover, wherein the top end of the cab box is provided with the top cover, positioning seats are symmetrically arranged at the bottom end of the cab box, a sound insulation cotton layer is arranged on the inner wall of the cab box and fixedly connected with the cab box, a damping cotton layer is arranged at the bottom end of the top cover above the cab box and fixedly connected with the top cover, connecting seats are arranged outside the cab box below the positioning seats, and supporting seats are arranged outside the cab box at one side of the connecting seats. The cab noise reduction device for the engineering machinery not only realizes the multi-position elastic damping support and the convenient control of opening and ventilation of the cab noise reduction device for the engineering machinery, reduces the noise of the cab during use, but also improves the comfort level of the cab during use and improves the ventilation effect of the cab for the engineering machinery.

Description

Cab noise reduction device for engineering machinery
Technical Field
The utility model relates to the technical field of cab noise reduction devices, in particular to a cab noise reduction device for engineering machinery.
Background
In the using process of mechanical equipment, noisy noise is generally accompanied, excessive noise can affect the health of a user, and main noise sources of the mechanical equipment are found to be an engine, a cooling fan, a hydraulic system, an air inlet and outlet and the like according to test and statistics, wherein the noise of the engine, the cooling fan and the hydraulic system occupies most of the noise in a cab of the engineering machinery, and a sound-proof cover is arranged outside the equipment in the current common processing mode to play a role in noise reduction of the cab for the engineering machinery.
The invention discloses a noise reduction engineering machinery cab with an authority bulletin number of CN212709705U, which comprises a cab roof, a cab right side plate, a cab rear side plate, a vehicle door and an inner decoration, wherein noise reduction material layers are arranged between the inner decoration and the inner side of the cab roof and between the inner decoration and the inner side of the cab right side plate, and noise reduction heat insulation material layers are arranged between the inner decoration and the inner side of the cab rear side plate; the noise reduction effect in the cab is effectively improved by arranging the noise reduction material layer, and in addition, the noise reduction and heat insulation material layer is arranged on the rear side plate of the cab so as to absorb noise and play a role in heat insulation;
But the problem that the existing cab noise reduction device is unfavorable for the opening and ventilation of the elastic shock absorption support at multiple positions and convenient control during use is solved, the sound insulation effect during the use of the cab is greatly influenced, the comfort level during the use of the cab is influenced, and the ventilation effect of the cab for engineering machinery is influenced.
Disclosure of utility model
The utility model aims to provide a cab noise reduction device for engineering machinery, which solves the problems that in the prior art, the cab noise reduction device is inconvenient to open and ventilate through elastic shock absorption support at multiple positions and convenient control, the sound insulation effect of a cab is affected when the cab is used, the comfort of the cab is affected when the cab is used, and the ventilation effect of the cab for engineering machinery is affected.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cab noise reduction device for engineering machine tool, includes driver's cabin case and top cap, the top of driver's cabin case is provided with the top cap, the locating seat is installed to the bottom symmetry of driver's cabin case, install the cotton layer that gives sound insulation on the inner wall of driver's cabin case, and cotton layer that gives sound insulation and driver's cabin case fixed connection, the cotton layer that gives shock attenuation is installed to the top cap bottom of driver's cabin case top, and cotton layer that gives shock attenuation and top cap fixed connection, the driver's cabin case outside of locating seat below all is provided with the connecting seat, the outside of driver's cabin case of connecting seat one side all is provided with the supporting seat, the bumper shock absorber is installed on the top of bumper shock absorber, and the bumper shock absorber passes through connecting axle and locating seat swing joint, the upper right draw-in groove piece is all installed to the inside of locating seat below the upper right draw-in groove piece.
Preferably, the inside of connecting seat all installs lower left draw-in groove piece, upper left draw-in groove piece is all installed to the inside connecting seat of lower left draw-in groove piece top, upper left draw-in groove piece's inside all is provided with the steel sheet shell fragment, and the top of going up the steel sheet shell fragment all extends to the inside of upper right draw-in groove piece.
Preferably, the lower left clamping groove block is provided with a lower steel plate spring plate inside, and the lower steel plate spring plate extends to the inside of the lower right clamping groove block.
Preferably, the bottom of top cap is installed back cassette, the back cassette is kept away from to the top cap bottom one side of back cassette is installed preceding cassette, preceding ejector pad is installed to the bottom of preceding cassette, preceding fulcrum is installed on the top of preceding ejector pad, and preceding ejector pad is through preceding fulcrum and preceding cassette swing joint.
Preferably, a rear push block is arranged at the bottom end of the rear clamping seat, a rear supporting shaft is arranged at the top end of the rear push block, and the rear push block is movably connected with the rear clamping seat through the rear supporting shaft.
Preferably, a front hydraulic cylinder is movably arranged in the cab box below the front push block, a front push rod is arranged at the top end of the front hydraulic cylinder, and the top end of the front push rod is connected with the front push block.
Preferably, a rear hydraulic cylinder is movably arranged in the cab box below the rear push block, a rear push rod is arranged at the top end of the rear hydraulic cylinder, and the top end of the rear push rod is connected with the rear push block.
Compared with the prior art, the utility model has the beneficial effects that: the cab noise reduction device not only realizes the multi-position elastic damping support and convenient control opening and ventilation of the cab noise reduction device for the engineering machinery, reduces the noise of the cab during use, but also improves the comfort level of the cab during use and the ventilation effect of the cab for the engineering machinery;
(1) The sound insulation cotton layer is installed together with the cab box, the sound insulation cotton layer plays a role in noise reduction, a plurality of groups of connecting seats are connected with the engineering machinery frame, a plurality of groups of supporting seats are connected with the engineering machinery frame, the shock absorber is used for carrying out shock absorption support on the positioning seats through the connecting shafts, the lower steel plate elastic sheet is used for carrying out shock absorption support on the positioning seats through the right lower clamping groove blocks, the upper steel plate elastic sheet is used for carrying out shock absorption support on the positioning seats through the right upper clamping groove blocks, so that the comfort during driving is improved, the elastic shock absorption support of the cab noise reduction device for engineering machinery at multiple positions is realized, the noise during the use of the cab is reduced, and the comfort during the use of the cab is improved;
(2) Through the push block removal behind the push block behind the back pivot drive, back cassette drive top cap rotates, the top cap drives preceding fulcrum of front cassette and rotates as the axle, make things convenient for the top cap to open ventilation, push block removal before the push block is driven by preceding push rod by preceding pneumatic cylinder, the push block rotates before the front cassette of front fulcrum drive, preceding cassette drive top cap rotates, make things convenient for the top cap to open rotationally, improve the ventilation effect of top cap, the opening ventilation of the convenient control of driver's cabin for engineering machine has been realized, the ventilation effect of driver's cabin for engineering machine has been improved.
Drawings
FIG. 1 is a schematic three-dimensional perspective view of the present utility model;
FIG. 2 is a schematic view of a three-dimensional structure of a cab box of the present utility model;
FIG. 3 is a schematic elevational view of the present utility model;
Fig. 4 is a schematic cross-sectional elevation view of the present utility model.
In the figure: 1. a cab box; 2. a positioning seat; 3. a connecting seat; 4. a left lower clamping groove block; 5. the upper left clamping groove block; 6. a steel plate spring piece is arranged; 7. a lower steel plate spring piece; 8. a connecting shaft; 9. a damper; 10. a support base; 11. a right lower clamping groove block; 12. the right upper clamping groove block; 13. a soundproof cotton layer; 14. a rear pushing block; 15. a rear clamping seat; 16. a rear hydraulic cylinder; 17. a rear push rod; 18. a rear support shaft; 19. a top cover; 20. a damping cotton layer; 21. a front clamping seat; 22. a front support shaft; 23. a front pushing block; 24. a front push rod; 25. a front hydraulic cylinder.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the cab noise reduction device for the engineering machinery comprises a cab box 1 and a top cover 19, wherein the top end of the cab box 1 is provided with the top cover 19, the bottom end of the cab box 1 is symmetrically provided with a positioning seat 2, the inner wall of the cab box 1 is provided with a sound insulation cotton layer 13, the sound insulation cotton layer 13 is fixedly connected with the cab box 1, the sound insulation cotton layer 13 plays a sound insulation effect, the bottom end of the top cover 19 above the cab box 1 is provided with a vibration insulation cotton layer 20, the vibration insulation cotton layer 20 is fixedly connected with the top cover 19, the outside of the cab box 1 below the positioning seat 2 is provided with a connecting seat 3, the outside of the cab box 1 on one side of the connecting seat 3 is provided with a supporting seat 10, the top end of the supporting seat 10 is provided with a shock absorber 9, the shock absorber 9 plays a role of vibration absorption and supporting, the top end of the shock absorber 9 is provided with a connecting shaft 8, the shock absorber 9 is movably connected with the positioning seat 2 through the connecting shaft 8, the inside of the positioning seat 2 is provided with an upper right clamping groove block 12, and the inside of the positioning seat 2 is provided with a lower right clamping groove block 11;
The inside of the connecting seat 3 is provided with a left lower clamping groove block 4, the inside of the connecting seat 3 above the left lower clamping groove block 4 is provided with a left upper clamping groove block 5, the inside of the left upper clamping groove block 5 is provided with an upper steel plate spring piece 6, the top end of the upper steel plate spring piece 6 extends to the inside of a right upper clamping groove block 12, the upper steel plate spring piece 6 plays a role in elastic support, the inside of the left lower clamping groove block 4 is provided with a lower steel plate spring piece 7, the lower steel plate spring piece 7 extends to the inside of a right lower clamping groove block 11, and the lower steel plate spring piece 7 plays a role in elastic support;
When the cab noise reduction device is used, the soundproof cotton layer 13 is installed with the cab box 1, the soundproof cotton layer 13 plays a role in noise reduction, the multiple groups of connecting seats 3 are connected with the engineering machinery frame, the multiple groups of supporting seats 10 are connected with the engineering machinery frame, when a bumpy road surface is met, the supporting seats 10 support the shock absorber 9, the shock absorber 9 supports the positioning seat 2 in a shock absorption manner through the connecting shaft 8, the connecting seats 3 support the left lower clamping groove block 4 and the left upper clamping groove block 5, the lower steel plate spring sheet 7 supports the positioning seat 2 in a shock absorption manner through the right lower clamping groove block 11, the upper steel plate spring sheet 6 supports the positioning seat 2 in a shock absorption manner through the right upper clamping groove block 12, so that the comfort during driving is improved, the multi-position elastic shock absorption support of the cab noise reduction device for engineering machinery is realized, the noise during the use of the cab is reduced, and the comfort level during the use of the cab is improved;
the bottom end of the top cover 19 is provided with a rear clamping seat 15, one side of the bottom end of the top cover 19 far away from the rear clamping seat 15 is provided with a front clamping seat 21, the bottom end of the front clamping seat 21 is provided with a front push block 23, the top end of the front push block 23 is provided with a front support shaft 22, and the front push block 23 is movably connected with the front clamping seat 21 through the front support shaft 22;
The bottom end of the rear clamping seat 15 is provided with a rear push block 14, the top end of the rear push block 14 is provided with a rear support shaft 18, and the rear push block 14 is movably connected with the rear clamping seat 15 through the rear support shaft 18;
A front hydraulic cylinder 25 is movably arranged in the cab box 1 below the front push block 23, the front hydraulic cylinder 25 plays a role of power driving, a front push rod 24 is arranged at the top end of the front hydraulic cylinder 25, the top end of the front push rod 24 is connected with the front push block 23, a rear hydraulic cylinder 16 is movably arranged in the cab box 1 below the rear push block 14, the rear hydraulic cylinder 16 plays a role of power driving, a rear push rod 17 is arranged at the top end of the rear hydraulic cylinder 16, and the top end of the rear push rod 17 is connected with the rear push block 14;
When the cab ventilation device is used, the rear hydraulic cylinder 16 is opened, the rear push block 14 is driven to move by the rear hydraulic cylinder 16 through the rear push rod 17, the rear clamping seat 15 is driven to move by the rear push block 14 through the rear support shaft 18, the rear clamping seat 15 drives the top cover 19 to rotate, the top cover 19 drives the front clamping seat 21 to rotate by taking the front support shaft 22 as a shaft, ventilation is convenient for the top cover 19 to open, the front hydraulic cylinder 25 is opened, the front push block 23 is driven to move by the front hydraulic cylinder 25 through the front push rod 24, the front push block 23 drives the front clamping seat 21 to rotate through the front support shaft 22, the top cover 19 is driven to rotate, the top cover 19 is conveniently opened in a rotating mode, the ventilation effect of the top cover 19 is improved, the ventilation effect of the cab for engineering machinery is conveniently controlled to open and the ventilation effect of the cab for the engineering machinery is improved.
Working principle: during the use, external power supply, at first through with the installation of soundproof cotton layer 13 with driver's cabin case 1 together, soundproof cotton layer 13 plays the effect of making an uproar, be connected multiunit connecting seat 3 with engineering machine frame, be connected multiunit supporting seat 10 with engineering machine frame, when meetting the road surface, supporting seat 10 supports bumper shock absorber 9, bumper shock absorber 9 carries out shock attenuation support to positioning seat 2 through connecting axle 8, connecting seat 3 supports lower left draw-in groove piece 4 and upper left draw-in groove piece 5, lower steel sheet shell fragment 7 carries out shock attenuation support to positioning seat 2 through lower right draw-in groove piece 11, go up steel sheet shell fragment 6 and carry out shock attenuation support to positioning seat 2, carry out the vibration attenuation and make an uproar support of making an uproar, improve travelling comfort when driving, afterwards, through opening back pneumatic cylinder 16, be driven back push block 14 by back pneumatic cylinder 16 through back push rod 17, be driven back push block 14 and be moved by back push block 14 through back pivot 18, back push block 15 drive top cap 19 rotates, top cap 19 drive front push block 21 is the pivot 22 and is rotated, make an uproar 19, make things convenient for top cap 19 to open top cap 19, front push block 25 is driven front push block 25 and front push rod 21 is rotated through the front push rod 19 and the drive top cap 19 is rotated through the front push rod 23, the front push rod 23 is rotated and the top cap is rotated and is made to be convenient for the top cap 19 to open.

Claims (7)

1. The utility model provides a cab noise reduction device for engineering machine tool, includes driver's cabin case (1) and top cap (19), its characterized in that: the utility model discloses a cab box, including cabin box (1), connecting seat (3), connecting seat (2), connecting axle (8), connecting seat (2), connecting seat (12) and connecting seat (2), connecting seat (2) are all installed to cabin box (1) outside of locating seat (2) below all, connecting seat (3) outside of cabin box (1) one side all is provided with supporting seat (10), bumper shock absorber (9) are installed on the top of supporting seat (10), connecting axle (8) are installed on the top of bumper shock absorber (9), and bumper shock absorber (9) are through connecting axle (8) and locating seat (2) swing joint, right side up draw-in groove block (12) are all installed to the inside of locating seat (2), right side up draw-in groove block (12) below all are installed to locating seat (2).
2. The cab noise reduction device for construction machinery according to claim 1, wherein: the inside of connecting seat (3) is all installed lower left draw-in groove piece (4), upper left draw-in groove piece (5) are all installed to connecting seat (3) inside of lower left draw-in groove piece (4) top, upper left draw-in groove piece (5)'s inside all is provided with steel sheet shell fragment (6), and the top of going up steel sheet shell fragment (6) all extends to the inside of upper right draw-in groove piece (12).
3. The cab noise reduction device for construction machinery according to claim 2, wherein: the inside of lower left draw-in groove piece (4) all is provided with lower steel sheet shell fragment (7), and lower steel sheet shell fragment (7) all extends to the inside of lower right draw-in groove piece (11).
4. The cab noise reduction device for construction machinery according to claim 1, wherein: rear clamping seat (15) is installed to the bottom of top cap (19), front clamping seat (21) is installed to one side that rear clamping seat (15) was kept away from to top cap (19) bottom, push away piece (23) before front clamping seat (21) are installed to the bottom of front clamping seat (21), preceding fulcrum (22) are installed on the top of push away piece (23), and preceding fulcrum (22) and front clamping seat (21) swing joint before push away piece (23).
5. The cab noise reduction device for construction machinery according to claim 4, wherein: the bottom of back cassette (15) is installed back ejector pad (14), back pivot (18) are installed on the top of back ejector pad (14), and back ejector pad (14) are through back pivot (18) and back cassette (15) swing joint.
6. The cab noise reduction device for construction machinery according to claim 4, wherein: the front pushing block is characterized in that a front hydraulic cylinder (25) is movably mounted in the cab box (1) below the front pushing block (23), a front push rod (24) is mounted at the top end of the front hydraulic cylinder (25), and the top end of the front push rod (24) is connected with the front pushing block (23).
7. The cab noise reduction device for construction machinery according to claim 5, wherein: the rear push rod is characterized in that a rear hydraulic cylinder (16) is movably mounted in the cab box (1) below the rear push block (14), a rear push rod (17) is mounted at the top end of the rear hydraulic cylinder (16), and the top end of the rear push rod (17) is connected with the rear push block (14).
CN202322891858.9U 2023-10-27 Cab noise reduction device for engineering machinery Active CN221068251U (en)

Publications (1)

Publication Number Publication Date
CN221068251U true CN221068251U (en) 2024-06-04

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