CN211927282U - Acoustic rack tool for power assembly - Google Patents
Acoustic rack tool for power assembly Download PDFInfo
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- CN211927282U CN211927282U CN202020743874.7U CN202020743874U CN211927282U CN 211927282 U CN211927282 U CN 211927282U CN 202020743874 U CN202020743874 U CN 202020743874U CN 211927282 U CN211927282 U CN 211927282U
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Abstract
The utility model discloses a power assembly acoustics rack frock, include: bottom plate, base, glide machanism, stand and support installation component. The base is arranged on the bottom plate. The sliding mechanism is arranged on the base and can slide longitudinally or transversely relative to the base. The stand is installed on glide machanism, and the stand passes through glide machanism displacement to appointed position. The support mounting assembly is mounted on the upright and is connected to a component of the vehicle. The utility model discloses a power assembly acoustics rack frock installation accuracy is high, and is fixed firm, and the installation effectiveness is high, and can adapt to different power assembly installation demands, compromises the convenience of adaptability and adjustment when guaranteeing installation stability and precision.
Description
Technical Field
The utility model relates to an automobile test technical field, more specifically say, relate to the acoustics test technology of the power assembly of car.
Background
The power assembly noise is an important component of the automobile noise and is a key index for evaluating the NVH performance of the automobile. In order to control and improve powertrain noise, it is desirable to acoustically test the powertrain. At present, the acoustic test of the power assembly is mainly carried out by adopting an acoustic bench of the power assembly. The dynamic assembly acoustic rack can simulate various complex working conditions on the whole vehicle and provides a semi-free field acoustic environment which is not possessed by the whole vehicle, so that the method for testing, analyzing and optimizing the noise of the dynamic assembly on the dynamic assembly acoustic rack is an effective method.
In order to obtain effective acoustic test data on the bench, the acoustic bench of the power assembly puts high precision and stability requirements on the installation of the power assembly, and after the power assembly is installed on a tool through three supports, the installation state of the power assembly is required to be consistent with that of a real vehicle, and the dimensional tolerance is required to be less than 1 mm. Meanwhile, the tool cannot deform and move when the power assembly is in a working state, so that the test data are effective.
In the prior art, two tools for installing a power assembly are provided, namely a column type tool and a frame type tool. The bottom of five stand columns of column frock is connected with the dull and stereotyped connection of laboratory iron, the engine crossbeam is connected on two stand column upper portions in the left side, the gearbox crossbeam is connected on two stand column upper portions in the right side, swing support adapter is connected on fifth stand column upper portion, power assembly passes through the gearbox support, the engine supports and swing support and frock is connected, adjust the mounted position of power assembly through the position of adjusting five stand columns, the advantage of this method is that the adjustment flexibility ratio is big, the stand is big at dull and stereotyped all around direction adjustment space, adaptable power assembly is many. The defects that the position of the upright post needs to be adjusted by using a rubber hammer, the adjustment precision is low, the weight of the upright post is large, the adjustment time consumption is long, and a long time is needed for adjusting five upright posts to the positions meeting the requirements.
In order to ensure the installation accuracy, the frame type tool usually designs the upright posts and the cross beams on the frame according to the positions of three supporting points of the power assembly, and the power assembly can be directly installed on the frame type tool. The adjustable vertical column on the frame has the defects of small adjustable space, and once the vertical column on the frame needs to be adjusted to adapt to the installation of different power assemblies, the vertical column on the frame is also knocked and moved by the rubber hammer, so that the precision cannot be ensured, and the adaptability is not strong.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a power assembly acoustics rack frock compromises the convenience of adaptability and adjustment when guaranteeing installation stability and precision.
According to the utility model discloses an embodiment provides a power assembly acoustics rack frock, include: bottom plate, base, glide machanism, stand and support installation component. The base is arranged on the bottom plate. The sliding mechanism is arranged on the base and can slide longitudinally or transversely relative to the base. The stand is installed on glide machanism, and the stand passes through glide machanism displacement to appointed position. The support mounting assembly is mounted on the upright and is connected to a component of the vehicle.
In one embodiment, the base includes two base cross members and two base longitudinal members. The base beam is fixed on the bottom plate. Each base longitudinal beam is connected with and fixed with two base cross beams, and the two base longitudinal beams are respectively fixed at two ends of the base cross beam. The top surface of the base crossbeam is provided with a transverse sliding groove extending along the base crossbeam.
In one embodiment, the end of the base beam is provided with a clamping groove, and the base beam is clamped in the clamping groove and fixed with the base beam. The base longitudinal beam is provided with a longitudinal beam scale, and the two base cross beams are adjusted in distance and fixed on the bottom plate according to the longitudinal beam scale. The side of the base beam is provided with a shoveling groove.
In one embodiment, the glide mechanism comprises: the device comprises a transverse sliding seat, a transverse driving screw rod, a longitudinal sliding seat and a longitudinal driving screw rod. The transverse sliding seat is installed in a transverse sliding groove in the top surface of the base beam, the transverse sliding seat can transversely slide along the transverse sliding groove, and the top surface of the transverse sliding seat is provided with a longitudinal sliding groove extending longitudinally. The transverse driving screw is arranged on the base cross beam and connected to the transverse sliding seat, and the transverse driving screw drives the transverse sliding seat to transversely slide along the transverse sliding groove. The longitudinal sliding seat is arranged in a longitudinal sliding groove on the top surface of the transverse sliding seat, and the longitudinal sliding seat can longitudinally slide along the longitudinal sliding groove. The longitudinal driving screw is arranged on the transverse sliding seat and connected to the longitudinal sliding seat, and the longitudinal driving screw drives the longitudinal sliding seat to longitudinally slide along the longitudinal sliding groove.
In one embodiment, the base cross beam is provided with a transverse sliding scale, and the transverse sliding seat is provided with a longitudinal sliding scale.
In one embodiment, the lateral sliding groove and the longitudinal sliding groove each include a rectangular groove in the middle and T-shaped grooves on both sides of the rectangular groove.
In one embodiment, the post comprises: the upright post locking device comprises an upright post body, an upright post vertical screw rod, an upright post adjusting nut and an upright post locking device. The bottom of stand body is installed on the seat that slides longitudinally, and the stand body carries out vertical or lateral displacement through the seat that slides transversely and the seat that slides longitudinally to remove appointed position. The vertical screw of the upright post is arranged in the upright post body and can move up and down in the upright post body. The stand adjusting nut is installed on the stand body and is connected to the vertical screw rod of stand, and the vertical screw rod of stand driving stand reciprocates for the stand body. The upright column locking device is arranged on the upright column body and connected to the upright column vertical screw rod, and the upright column locking device locks the upright column vertical screw rod on the upright column body.
In one embodiment, the support mounting assembly comprises: an engine mounting cross member, a transmission mounting cross member and a swing support adapter. The engine mounting cross beam is mounted on the two upright posts, two ends of the engine mounting cross beam are respectively mounted on one upright post, an engine supporting mounting point is arranged on the engine mounting cross beam, and the engine supporting mounting point is fixed with an engine of a vehicle. The gearbox mounting beam is mounted on the two upright columns, two ends of the gearbox mounting beam are respectively mounted on one upright column, a gearbox supporting mounting point is arranged on the gearbox mounting beam, and the gearbox supporting mounting point is fixed with a gearbox of a vehicle. The swing support adapter is mounted on the top of one of the uprights and serves as a swing support mounting point. A power assembly of the vehicle is connected to the power assembly acoustic bench tool through an engine supporting mounting point, a gearbox supporting mounting point and a swinging supporting mounting point.
In one embodiment, the locomotion assembly acoustic gantry tool comprises 5 uprights and 5 sliding mechanisms, one for each upright.
In one embodiment, the base plate is a flat plate made of iron.
The utility model discloses a power assembly acoustics rack frock installation accuracy is high, and is fixed firm, and the installation effectiveness is high, and can adapt to different power assembly installation demands, compromises the convenience of adaptability and adjustment when guaranteeing installation stability and precision.
Drawings
Fig. 1 discloses a structural diagram of a powertrain acoustic gantry tool according to an embodiment of the present invention.
Detailed Description
Fig. 1 discloses a structural diagram of a powertrain acoustic gantry tool according to an embodiment of the present invention. Referring to fig. 1, the power assembly acoustic gantry tool includes: bottom plate, base, glide machanism, stand and support installation component.
The base plate 115 is a flat plate made of iron. The base is mounted on a base plate 115. The base comprises two base cross members 111 and two base longitudinal members 113. The base beam 111 is fixed to the base plate 115. In one embodiment, the base plate 115 is provided with T-nuts and the base beam 111 has threaded holes that align with the T-nuts to secure the base beam 111 to the base plate 115 with screws. Each base longitudinal beam 113 is fixedly connected with two base cross beams 111, and the base longitudinal beams 113 are fixedly connected with the ends of the two base cross beams 111. Two base longitudinal beams 113 are respectively fixed to both ends of the base cross beam 111. In one embodiment, the end of the base cross member 111 is provided with a slot, and the base longitudinal member 113 is inserted into the slot and fixed to the base cross member 111. In the illustrated embodiment, the base stringer 113 has a stringer scale 114 thereon. The two base beams 111 are adjusted in distance from each other by the stringer scale 114, and after the distance is adjusted, the two base beams 111 are fixed to the base plate 115 by screws and T-nuts. In one embodiment, the sides of the base cross member 111 and the base longitudinal member 113 are provided with a shovel slot for shoveling the base.
The glide mechanism is mounted on the base 115, the glide mechanism being capable of sliding longitudinally or transversely relative to the base. In one embodiment, the glide mechanism comprises: a transverse sliding seat 109, a transverse driving screw 107, a longitudinal sliding seat 110 and a longitudinal driving screw 108. The top surface of the base beam 111 is provided with a transverse sliding groove extending along the base beam. The lateral sliding seat 109 is installed in the lateral sliding groove of the top surface of the base beam, the lateral sliding seat 109 can slide laterally along the lateral sliding groove, and the top surface of the lateral sliding seat 109 is provided with a longitudinal sliding groove extending longitudinally. The transverse drive screw 107 is mounted on a base beam 111 and is connected to a transverse slide mount 109. The transverse driving screw 107 drives the transverse sliding seat 109 to transversely slide along the transverse sliding groove. The longitudinal sliding seat 110 is installed in a longitudinal sliding groove on the top surface of the transverse sliding seat 109, and the longitudinal sliding seat 110 can slide longitudinally along the longitudinal sliding groove. The longitudinal driving screw 108 is mounted on the transverse sliding seat 109 and connected to the longitudinal sliding seat 110, and the longitudinal driving screw 108 drives the longitudinal sliding seat 110 to slide longitudinally along the longitudinal sliding groove. In the illustrated embodiment, the base beam 111 has a lateral sliding scale 120 thereon, and the lateral sliding seat 109 has a longitudinal sliding scale 112 thereon. In one embodiment, the lateral sliding scale 120 is disposed on the side of the base beam 111, and the longitudinal sliding scale 112 is disposed on the top surface of the lateral sliding seat. The sliding positions of the lateral sliding seat and the longitudinal sliding seat can be controlled by the lateral sliding scale 120 and the longitudinal sliding scale 112. In one embodiment, the lateral sliding groove and the longitudinal sliding groove each include a rectangular groove in the middle and T-shaped grooves on both sides of the rectangular groove. The rectangular groove in the middle is a sliding groove, and the transverse sliding seat or the longitudinal sliding seat is placed in the rectangular groove and slides along the rectangular groove. The T-shaped grooves on the two sides of the rectangular groove are locking grooves, and movable locking blocks are arranged in the locking grooves. After the transverse sliding seat or the longitudinal sliding seat slides in place, the transverse sliding seat or the longitudinal sliding seat is connected with the movable locking block in the T-shaped groove through the screw, so that the transverse sliding seat or the longitudinal sliding seat is locked at a specified position.
The stand is installed on glide machanism, and the stand passes through glide machanism displacement to appointed position. In the illustrated embodiment, the post includes: the vertical column comprises a vertical column body 106, a vertical column screw 103, a vertical column adjusting nut 104, a vertical column locking device 105 and a vertical column screw scale 117. The bottom of the column body 106 is mounted on a longitudinal sliding seat 110, and the column body 106 is longitudinally or transversely displaced by a transverse sliding seat 109 and the longitudinal sliding seat 110 to move to a designated position. The upright vertical screw 103 is installed in the upright body 106, and the upright vertical screw 103 can move up and down in the upright body 106. A column adjustment nut 104 is mounted on a column body 106 and connected to the column vertical screw 103. The column adjustment nut 104 drives the column vertical screw 103 to move up and down relative to the column body 106. The column locking device 105 is mounted on the column body 106 and connected to the column vertical screw 103, and the column locking device 105 locks the column vertical screw 103 to the column body 106. The position of the upright vertical screw 103 relative to the upright body 106 is adjusted by referring to the upright screw scale 117 through the upright adjusting nut 104, and after the upright vertical screw 103 is adjusted in place, the upright vertical screw 103 is locked on the upright body 106 through the upright locking device 105.
The support mounting assembly is mounted on the upright and is connected to a component of the vehicle. In the illustrated embodiment, the support mounting assembly includes: an engine mounting cross member 116, a transmission mounting cross member 102, and a swing support adapter 119. The engine mounting cross member 116 is mounted on two uprights, one upright being mounted on each of the two ends of the engine mounting cross member 116, the engine mounting cross member 116 having an engine support mounting point 118, the engine support mounting point 118 being fixed to the engine of the vehicle. The gearbox mounting beam 102 is mounted on two upright posts, two ends of the gearbox mounting beam 102 are respectively mounted on one upright post, a gearbox supporting mounting point 101 is arranged on the gearbox mounting beam 102, and the gearbox supporting mounting point 101 is fixed with a gearbox of a vehicle. The swing support adapter 119 is mounted on top of one of the uprights, with the swing support adapter 119 serving as a swing support mounting point. A power assembly of the vehicle is connected to the power assembly acoustic bench tool through an engine supporting mounting point, a gearbox supporting mounting point and a swinging supporting mounting point. In the illustrated embodiment, 5 columns and 5 skid mechanisms are provided, one for each column, by which the column is slid laterally or longitudinally to move to a designated position. In the illustrated embodiment, two of the 5 uprights are used to mount the engine mounting cross member, two are used to mount the transmission mounting cross member, and the other upright is used to mount the swing support adapter.
The use process of the power assembly acoustic bench tool is as follows: the middle of the upper surface of the base beam is provided with a rectangular groove, and two sides of the upper surface of the base beam are provided with T-shaped grooves. The bottom slider of the transverse sliding seat can move left and right in the rectangular groove and is driven by a transverse driving screw fixed on the base beam at the tail end, the transverse sliding scale on the side surface of the base beam can quantify the moving distance of the transverse sliding seat, and after the base beam is moved to a required position, the transverse sliding seat and the slider in the T-shaped groove of the base beam are connected through four screws. The middle of the upper surface of the transverse sliding seat is provided with a rectangular groove, and two sides of the upper surface of the transverse sliding seat are provided with T-shaped grooves. The longitudinal sliding seat can move back and forth in the rectangular groove and is driven by a longitudinal driving screw rod with the tail end fixed on the transverse sliding seat, the longitudinal sliding scale on the upper surface of the transverse sliding seat can quantify the moving distance of the longitudinal sliding seat, and after the longitudinal sliding seat moves to a required position, the longitudinal sliding seat is connected with a sliding block in a T-shaped groove of the transverse sliding seat through four screws. The stand comprises stand body, stand adjusting nut, the perpendicular screw rod of stand and stand locking device, and the stand body is connected with the seat that vertically slides, through reciprocating of adjusting nut adjustment stand perpendicular screw rod in the stand body, when removing suitable for the position after, stand locking device locking stand and screw rod, the connection flat board at the perpendicular screw rod top of stand is used for connecting gearbox crossbeam or engine crossbeam. The upper parts of the two left stand columns are connected with an engine cross beam, the upper parts of the two right stand columns are connected with a gearbox cross beam, the upper part of the fifth stand column is connected with a swing support adapter, and a power assembly is connected with a tooling trolley through a gearbox support, an engine support and a swing support. According to the scheme, any upright column on the tooling trolley can linearly move in the left-right direction, the front-back direction and the up-down direction, and can be locked after moving to a proper position in any direction. The installation accuracy has been guaranteed in the linear adjustment of screw rod, and five equal three directions of stand remove, can satisfy different power assembly installation demands.
The utility model discloses a power assembly acoustics rack frock installation accuracy is high, and is fixed firm, and the installation effectiveness is high, and can adapt to different power assembly installation demands, compromises the convenience of adaptability and adjustment when guaranteeing installation stability and precision.
It should also be noted that the above-mentioned embodiments are only specific embodiments of the present invention. It is obvious that the present invention is not limited to the above embodiments, and similar changes or modifications can be directly derived or easily suggested by those skilled in the art from the disclosure of the present invention, and all should fall within the protection scope of the present invention. The above-described embodiments are provided to enable persons skilled in the art to make or use the invention, and many modifications and variations may be made to the above-described embodiments by persons skilled in the art without departing from the inventive concept of the present invention, so that the scope of the invention is not limited by the above-described embodiments, but should be accorded the widest scope consistent with the innovative features set forth in the claims.
Claims (10)
1. The utility model provides a power assembly acoustics rack frock which characterized in that includes:
a base plate;
a base, the base is arranged on the bottom plate,
the sliding mechanism is arranged on the base and can slide longitudinally or transversely relative to the base;
the upright post is arranged on the sliding mechanism and is displaced to a specified position through the sliding mechanism;
and the support mounting assembly is mounted on the upright post and is connected to a part of the vehicle.
2. The locomotion assembly acoustic gantry tool of claim 1, wherein the base comprises:
the base cross beams are fixed on the bottom plate;
each base longitudinal beam is fixedly connected with two base cross beams, and the two base longitudinal beams are respectively fixed at two ends of each base cross beam;
the top surface of the base crossbeam is provided with a transverse sliding groove extending along the base crossbeam.
3. The locomotion assembly acoustic gantry tool of claim 2,
the end part of the base crossbeam is provided with a clamping groove, and the base longitudinal beam is clamped in the clamping groove and fixed with the base crossbeam;
the base longitudinal beam is provided with a longitudinal beam scale, and the two base cross beams are fixed on the bottom plate by adjusting the distance according to the longitudinal beam scale;
and a shoveling groove is formed in the side surface of the base cross beam.
4. The locomotion assembly acoustic gantry tool of claim 2, wherein the glide mechanism comprises:
the transverse sliding seat is arranged in a transverse sliding groove in the top surface of the base beam, the transverse sliding seat can transversely slide along the transverse sliding groove, and the top surface of the transverse sliding seat is provided with a longitudinal sliding groove extending longitudinally;
the transverse driving screw is arranged on the base cross beam and connected to the transverse sliding seat, and the transverse driving screw drives the transverse sliding seat to transversely slide along the transverse sliding groove;
the longitudinal sliding seat is arranged in a longitudinal sliding groove on the top surface of the transverse sliding seat and can slide longitudinally along the longitudinal sliding groove;
and the longitudinal driving screw is arranged on the transverse sliding seat and connected to the longitudinal sliding seat, and the longitudinal driving screw drives the longitudinal sliding seat to longitudinally slide along the longitudinal sliding groove.
5. The locomotion assembly acoustic gantry tool of claim 4,
the base cross beam is provided with a transverse sliding scale;
the transverse sliding seat is provided with a longitudinal sliding scale.
6. The locomotion assembly acoustic gantry tool of claim 4, wherein the lateral sliding slot and the longitudinal sliding slot each comprise a rectangular slot in the middle and T-shaped slots on both sides of the rectangular slot.
7. The locomotion assembly acoustic gantry tool of claim 4, wherein the upright comprises:
the bottom of the upright post body is arranged on the longitudinal sliding seat, and the upright post body is longitudinally or transversely displaced through the transverse sliding seat and the longitudinal sliding seat so as to move to a specified position;
the vertical screw rod of the upright post is arranged in the upright post body and can move up and down in the upright post body;
the upright post adjusting nut is arranged on the upright post body and connected to the upright post vertical screw rod, and the upright post adjusting nut drives the upright post vertical screw rod to move up and down relative to the upright post body;
the upright column locking device is arranged on the upright column body and connected to the upright column vertical screw rod, and the upright column locking device locks the upright column vertical screw rod on the upright column body.
8. The locomotion assembly acoustic gantry tool of claim 1, wherein the support mounting assembly comprises:
the engine mounting cross beam is mounted on the two stand columns, two ends of the engine mounting cross beam are respectively mounted on one stand column, an engine supporting mounting point is arranged on the engine mounting cross beam, and the engine supporting mounting point is fixed with an engine of a vehicle;
the gearbox mounting beam is mounted on the two upright columns, two ends of the gearbox mounting beam are respectively mounted on one upright column, a gearbox supporting mounting point is arranged on the gearbox mounting beam, and the gearbox supporting mounting point is fixed with a gearbox of a vehicle;
the swing support adapter is arranged at the top of one upright post and serves as a swing support mounting point;
a power assembly of the vehicle is connected to the power assembly acoustic bench tool through an engine supporting mounting point, a gearbox supporting mounting point and a swinging supporting mounting point.
9. The locomotion assembly acoustic gantry tool of claim 8, comprising 5 uprights and 5 slide mechanisms, one for each upright.
10. The locomotion assembly acoustic gantry tool of claim 1, wherein the base plate is an iron flat plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020743874.7U CN211927282U (en) | 2020-05-08 | 2020-05-08 | Acoustic rack tool for power assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020743874.7U CN211927282U (en) | 2020-05-08 | 2020-05-08 | Acoustic rack tool for power assembly |
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| Publication Number | Publication Date |
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| CN211927282U true CN211927282U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020743874.7U Active CN211927282U (en) | 2020-05-08 | 2020-05-08 | Acoustic rack tool for power assembly |
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| CN (1) | CN211927282U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275079A (en) * | 2021-12-30 | 2022-04-05 | 重庆长安汽车股份有限公司 | Rapid leveling assembly tool and assembly method for power assembly and automobile |
-
2020
- 2020-05-08 CN CN202020743874.7U patent/CN211927282U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275079A (en) * | 2021-12-30 | 2022-04-05 | 重庆长安汽车股份有限公司 | Rapid leveling assembly tool and assembly method for power assembly and automobile |
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