CN117470550B - Power assembly test box, power assembly test bed and power assembly test method - Google Patents
Power assembly test box, power assembly test bed and power assembly test method Download PDFInfo
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- CN117470550B CN117470550B CN202311448245.6A CN202311448245A CN117470550B CN 117470550 B CN117470550 B CN 117470550B CN 202311448245 A CN202311448245 A CN 202311448245A CN 117470550 B CN117470550 B CN 117470550B
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- 238000010998 test method Methods 0.000 title abstract description 9
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- 238000005096 rolling process Methods 0.000 claims description 4
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- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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Abstract
The invention discloses a power assembly test box, a power assembly test bench and a power assembly test method, which belong to the technical field of vehicle power assembly test, wherein the power assembly test box comprises: the box body is internally provided with a test cavity with an opening; the box cover is hinged to the box body; the driving assembly is arranged on the box body; the first end of the movable connecting piece is hinged with the output end of the driving assembly, the second end of the movable connecting piece is movably connected with the box cover, and the movable connecting piece is hinged with the box body through a first rotating shaft; the sliding piece is arranged at the second end of the movable connecting piece in a sliding manner and is hinged with the box cover; the driving assembly can drive the movable connecting piece to rotate around the first rotating shaft, and the movable connecting piece can drive the sliding piece to rotate around the first rotating shaft and simultaneously move along the length direction of the movable connecting piece, so that the box cover is driven to open or close the test cavity. The invention can ensure that the power assembly test box has a large enough opening angle.
Description
Technical Field
The invention relates to the technical field of vehicle power assembly testing, in particular to a power assembly test box, a power assembly test bed and a power assembly test method.
Background
Automobile powertrain testing is an important research effort in the automotive engineering field, aimed at researching and optimizing the design and performance of automobile powertrain, and providing powerful support and guidance for automobile manufacturers and engineers.
Referring to fig. 1, in the prior art, when an automobile power assembly is tested, the automobile power assembly is generally placed in a test box for testing. In the prior art, the test box generally comprises a box body 10 and a box cover 20 rotatably connected to the box body 10, the box cover 20 is driven to rotate by a driving air cylinder 30 in a telescopic motion, the cylinder body of the driving air cylinder 30 is rotatably arranged on the box body 10, the output end of the driving air cylinder 30 is rotatably connected with the box cover 20 through a rotating shaft, the output end of the driving air cylinder 30 stretches and contracts, and the box cover 20 is opened and closed.
However, when testing the power assembly, it is generally necessary to provide a test hole 40 in the sidewall of the housing 10 to meet the connection requirement of the test cable and the power assembly in the housing 10. After the test hole 40 is formed, in order to avoid interference between the driving cylinder 30 and the cable at the test hole 40 in the telescoping process, the setting position of the driving cylinder 30 needs to avoid the test hole 40, so that the opening angle of the case cover 20 is limited, and the placement of the power assembly is inconvenient.
Disclosure of Invention
The invention aims to provide a power assembly test box, a power assembly test bed and a power assembly test method, which can ensure that the power assembly test box has a large enough opening angle when a power assembly is tested.
The technical scheme adopted by the invention is as follows:
A powertrain test chamber comprising:
The box body is internally provided with a test cavity with an opening;
The box cover is hinged to the box body;
The driving assembly is arranged on the box body;
The first end of the movable connecting piece is hinged with the output end of the driving assembly, the second end of the movable connecting piece is movably connected with the box cover, and the movable connecting piece is hinged with the box body through a first rotating shaft;
The sliding piece is arranged at the second end of the movable connecting piece in a sliding manner and is hinged with the box cover;
The driving assembly can drive the movable connecting piece to rotate around the first rotating shaft, and the movable connecting piece can drive the sliding piece to rotate around the first rotating shaft and move along the length direction of the movable connecting piece, so that the box cover is driven to open or close the test cavity.
Optionally, the slider includes:
The second end of the movable connecting piece is provided with a sliding groove, and the sliding plate can be arranged in the sliding groove in a sliding way;
the rollers are arranged on two side edges of the sliding plate, which extend along the length direction of the sliding groove, and are in rolling abutting connection with the inner wall of the sliding groove;
the second rotating shaft is rotatably arranged on the sliding plate and fixedly connected with the box cover.
Optionally, a hinge point between the first end of the movable connecting piece and the output end of the driving component is a first target point, a hinge point between the sliding piece and the box cover is a second target point, and the first rotating shaft is located at the lower side of a connecting line of the first target point and the second target point.
Optionally, the driving assembly comprises a linear air cylinder, a driving assembly mounting seat is arranged on the box body, a cylinder body of the linear air cylinder is rotatably mounted on the driving assembly mounting seat, and the free end of a push rod of the linear air cylinder is hinged with the first end of the movable connecting piece;
after the push rod is completely contracted relative to the cylinder body, the hinge point between the free end of the push rod of the linear cylinder and the first end of the movable connecting piece is a first target point, the hinge point between the movable connecting piece and the box body is a third target point, and the sum of the distance between the driving component mounting seat and the first target point and the distance between the first target point and the third target point is greater than the distance between the driving component mounting seat and the third target point.
Optionally, the case cover is hinged to the case body through a hinge structure, and a center line of the first rotating shaft is arranged non-collinearly with a rotating shaft line of the hinge structure.
Optionally, the powertrain test box further comprises an open box stabilizing zipper configured to: when the box cover rotates to open the opening of the test cavity, two ends of the box opening stabilizing zipper are respectively connected with the box body and the box cover, so that the box cover keeps a state of opening the opening of the test cavity; and the open box stabilizing zipper can be disconnected from the box cover so that the box cover can be rotated to close the opening of the test cavity.
Optionally, the stable zipper of unpacking includes the chain, the both ends of chain are provided with a chain knot respectively, every the chain knot of at least one end of chain with box or the case lid detachable connection.
Optionally, a first connecting ring is arranged on the box body, and one of the chain buckles is detachably connected with the first connecting ring; and/or
The box cover is provided with a second connecting ring, and the other chain buckle is detachably connected with the second connecting ring.
A powertrain test stand comprising:
A frame body;
The power assembly test box is characterized in that the box body of the power assembly test box is fixedly arranged on the frame body.
The power assembly test method adopts the power assembly test bench to test the power assembly, and comprises the following steps:
s1, controlling a driving assembly to drive a box cover to open an opening of a test cavity;
S2, installing an open box stable zipper, wherein two ends of the open box stable zipper are respectively connected with the box body and the box cover, so that the box cover keeps a state of opening an opening of the test cavity;
s3, installing the power assembly to be tested in the test cavity;
s4, connecting the box opening stable zipper with the box body and the box cover is released;
S5, controlling the driving assembly to drive the box cover to be closed;
s6, testing the power assembly in the power assembly test box.
The invention has the beneficial effects that:
When the test chamber of the power assembly provided by the invention is opened or closed, the driving assembly drives the movable connecting piece to rotate around the first rotating shaft, and meanwhile, the movable connecting piece drives the sliding piece to rotate around the first rotating shaft and the sliding piece moves along the length direction of the movable connecting piece.
The driving assembly drives the movable connecting piece to rotate around the first rotating shaft, and the movable connecting piece drives the box cover to rotate around the first rotating shaft in the rotating process, so that the box cover is driven to be opened or closed by the rotation of the movable connecting piece. The movable connecting piece can not interfere with the cable of the test hole on the box body in the rotating process, the driving assembly is controlled to drive the rotation angle of the movable connecting piece according to the requirement, the control of the opening degree of the box cover is realized, the limitation of the opening degree of the box cover is avoided, the power assembly test box is ensured to have a large enough opening angle, and accordingly the power assembly is conveniently placed in the test cavity.
The sliding part is arranged at the second end of the movable connecting piece in a sliding manner and is hinged with the box cover, and the sliding part moves along the length direction of the movable connecting piece when rotating around the first rotating shaft, so that the box cover is driven to open or close the test cavity, namely, the sliding part can further ensure the rotating track of the box cover, and the box cover is ensured to be stably opened or closed along the set track.
The power assembly test bed provided by the invention comprises the power assembly test box. In the power assembly test box, the driving assembly is controlled to drive the rotation angle of the movable connecting piece according to the requirement, so that the control of the opening degree of the box cover is realized, the limitation of the opening degree of the box cover is avoided, the power assembly test box is ensured to have a large enough opening angle, and the power assembly is conveniently placed in the test cavity.
According to the power assembly test method provided by the invention, the power assembly is tested by adopting the power assembly test bench. When the power assembly to be tested is installed in the test cavity in the test process, the driving assembly is controlled to drive the rotation angle of the movable connecting piece according to the requirement, so that the opening degree of the box cover is controlled, the opening degree of the box cover is prevented from being limited, the power assembly test box is ensured to have a large enough opening angle, and the power assembly is placed in the test cavity conveniently. Then the power assembly to be tested is installed in the test cavity; when the power assembly is installed in place, the driving assembly is controlled to drive the box cover to rotate to close the opening of the test cavity.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic view of a prior art test chamber;
FIG. 2 is a schematic illustration I of a first embodiment of the present invention providing a powertrain testing chamber in an open state;
FIG. 3 is a schematic diagram at D in FIG. 2;
FIG. 4 is a second schematic illustration of a first embodiment of the present invention when the powertrain test chamber is in an open position;
fig. 5 is a schematic diagram III of a first embodiment of the present invention when the powertrain test chamber is in an open state.
In fig. 1:
10. a case; 20. a case cover; 30. a driving cylinder; 40. a test hole;
Fig. 2-5:
1. a case; 11. a test chamber; 12. a first connection ring; 13. a test hole;
2. A case cover; 21. a second connecting ring;
3. a drive assembly; 31. a cylinder; 32. a push rod; 33. a drive assembly mount;
4. A movable connecting piece; 41. a chute; 42. an extension; 43. a corner portion;
5. a slider; 51. a sliding plate; 52. a roller; 53. a second rotating shaft;
6. Unpacking the stable zipper; 61. a chain; 62. a chain buckle;
7. A first rotating shaft.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Example 1
Referring to fig. 2-5, the present embodiment provides a powertrain testing chamber that can be stably maintained in an open state, ensuring that the powertrain testing chamber has a sufficiently large opening angle.
Specifically, the powertrain test box comprises a box body 1, a box cover 2, a driving assembly 3, a movable connecting piece 4 and a sliding piece 5.
A test chamber 11 with an opening is arranged in the box body 1. The side wall of the box body 1 is provided with a test hole 13 communicated with the test cavity 11, so that the wiring requirement of the power assembly in the test process is met.
The case cover 2 is hinged to the case body 1. Specifically, the cover 2 is hinged to the case 1 by a hinge structure. Preferably, the hinge structure is provided with two. Optionally, the hinge structure is a hinge.
Specifically, in this embodiment, the side surface of the case 1 is trapezoidal, and the side surface of the case cover 2 is also trapezoidal. The interface of the two extends generally along the side diagonal of the powertrain test chamber. This structure facilitates the installation of the powertrain.
The driving assembly 3 is arranged on the box body 1.
The first end of the movable connecting piece 4 is hinged with the output end of the driving assembly 3, the second end of the movable connecting piece 4 is movably connected with the box cover 2, and the movable connecting piece 4 is hinged with the box body 1 through a first rotating shaft 7.
Preferably, in this embodiment, the centre line of the first rotation axis 7 is arranged non-collinearly with the rotation axis of the hinge structure. By the arrangement, the first rotating shaft 7 can be conveniently selected from fixed points of the side wall of the box body 1, and the bearing capacity of the first rotating shaft 7 is ensured.
The sliding piece 5 is slidably arranged at the second end of the movable connecting piece 4, and the sliding piece 5 is hinged with the box cover 2.
The driving component 3 can drive the movable connecting piece 4 to rotate around the first rotating shaft 7, and the movable connecting piece 4 can drive the sliding piece 5 to rotate around the first rotating shaft 7 and simultaneously move along the length direction of the movable connecting piece 4, so that the box cover 2 is driven to open or close the test cavity 11.
It can be understood that the arrangement and connection mode of the combined structure of the driving assembly 3, the movable connecting piece 4 and the first rotating shaft 7 can ensure that the interference with the test hole 13 can be avoided in the process of opening and closing the box cover 2. When the test chamber 11 is opened or closed, the driving assembly 3 drives the movable connecting piece 4 to rotate around the first rotating shaft 7, and meanwhile, the movable connecting piece 4 drives the sliding piece 5 to rotate around the first rotating shaft 7 and the sliding piece 5 moves along the length direction of the movable connecting piece 4.
The driving component 3 drives the movable connecting piece 4 to rotate around the first rotating shaft 7, and the movable connecting piece 4 drives the box cover 2 to rotate around the first rotating shaft 7 in the rotating process, so that the box cover 2 is driven to be opened or closed by the rotation of the movable connecting piece 4. The drive assembly 3 and the movable connecting piece 4 can not interfere with a cable at the test hole 13 on the box body 1 in the rotating process, and the drive assembly 3 is controlled to drive the rotation angle of the movable connecting piece 4 according to the requirement, so that the opening of the box cover 2 is controlled, the opening of the box cover 2 is prevented from being limited, and the power assembly is conveniently placed in the test cavity 11.
The sliding piece 5 slides and sets up in the second end of swing joint spare 4 and slider 5 is articulated with case lid 2, and slider 5 moves along the length direction of swing joint spare 4 when rotatory around first pivot 7 to drive case lid 2 and open or close test chamber 11, also slider 5 can further guarantee the rotation orbit of case lid 2 promptly, guarantees case lid 2 and stably follows the orbit switching of setting for.
Further, in this embodiment, the powertrain testing box further includes an open box stabilizing zipper 6, the open box stabilizing zipper 6 being configured to: when the case cover 2 is rotated to open the opening of the test cavity 11, both ends of the open box stabilizing zipper 6 are respectively connected with the case body 1 and the case cover 2, so that the case cover 2 maintains a state of opening the opening of the test cavity 11; and the open box stabilizing zipper 6 can be disconnected from the box cover 2 so that the box cover 2 can be rotated to close the opening of the test chamber 11.
Specifically, in the present embodiment, the open box stabilizing zipper 6 can be disconnected from the box body 1 and the box cover 2 so that the box cover 2 can be rotated to close the opening of the test chamber 11.
When the power assembly test box provided by the embodiment is used, the driving assembly 3 drives the box cover 2 to rotate to open the opening of the test cavity 11, and then the box-opening stable zipper 6 is installed in place. When the open box stabilizing zipper 6 is installed, both ends of the open box stabilizing zipper 6 are respectively connected with the box body 1 and the box cover 2, so that the box cover 2 maintains a state of opening the opening of the test chamber 11. The power assembly to be tested is then installed in the test chamber 11; after the power assembly is installed in place, the connection between the box opening stabilizing zipper 6 and the box body 1 and the box cover 2 is released, and the driving assembly 3 is controlled to drive the box cover 2 to rotate to close the opening of the test cavity 11.
Due to the arrangement of the open stable zipper 6, when the power assembly to be tested is installed, the box cover 2 stably maintains the state of opening the opening of the test cavity 11, and even if the driving assembly 3 fails at this time, the box cover 2 does not suddenly rotate to the closed state under the limitation of the open stable zipper 6, so that the safety of the test is ensured.
When the box cover 2 closes the opening of the test cavity 11, the driving assembly 3 can provide power to enable the box cover 2 to be tightly closed, so that the tightness of the power assembly test box in a closed state is ensured.
Specifically, in the present embodiment, the open box stabilizing zipper 6 includes the links 61, and the links 61 are provided at both ends thereof with one link button 62, respectively, and the link button 62 at least one end of each link 61 is detachably connected to the box body 1 or the box cover 2.
Further, the first connecting ring 12 is arranged on the box body 1, and one of the chain buckles 62 is detachably connected with the first connecting ring 12; and/or
The second connecting ring 21 is provided on the case cover 2, and the other chain buckle 62 is detachably connected with the second connecting ring 21.
Preferably, in this embodiment, the first connecting ring 12 is provided on the case 1, and the second connecting ring 21 is provided on the case cover 2, wherein one of the chain buckles 62 is detachably connected to the first connecting ring 12, and the other chain buckle 62 is detachably connected to the second connecting ring 21.
Preferably, in the present embodiment, the open box stabilizing zipper 6 is provided with two; correspondingly, two first connecting rings 12 are arranged on the box body 1, and two second connecting rings 21 are arranged on the box cover 2.
Further, in order to ensure the stability of the driving assembly 3 driving the case cover 2 to rotate, in this embodiment, the movable connecting piece 4 is hinged to the case 1, and the hinge point of the movable connecting piece 4 and the case 1 is located between the first end and the second end.
I.e. the first shaft 7 is located between the first end and the second end.
Specifically, taking the orientation shown in fig. 2 as an example, the first end of the movable connecting piece 4 is a lower end, and the second end of the movable connecting piece 4 is an upper end.
The swing joint 4 is articulated through first pivot 7 with box 1 and first pivot 7 is located between first end and the second end, so set up, and the in-process of case lid 2 at the switching, hinge structure atress between case lid 2 and the box 1 limits the rotation orbit of case lid 2, and first pivot 7 also can atress limit the rotation orbit of case lid 2, guarantees the stability when case lid 2 switching.
Meanwhile, in this embodiment, the movable connecting piece 4 is arranged, so that when the driving component 3 can drive the box cover 2 to rotate, the driving component 3 can be arranged relatively back to the vertical direction, and thus, the driving component 3 can avoid the test hole 13 formed in the side wall of the box body 1, and the cover opening angle is ensured to be as large as possible.
Specifically, the slider 5 includes a slide plate 51, a roller 52, and a second rotating shaft 53.
The second end of the movable connecting piece 4 is provided with a sliding groove 41, and the sliding plate 51 is slidably disposed in the sliding groove 41.
Both sides of the sliding plate 51 extending in the longitudinal direction of the sliding groove 41 are provided with rollers 52, and the rollers 52 are in rolling contact with the inner wall of the sliding groove 41.
The second rotating shaft 53 is rotatably disposed on the sliding plate 51 and is fixedly connected to the case cover 2. I.e. the slide plate 51 is hinged to the lid 2 by means of a second rotation shaft 53. Preferably, the second rotating shaft 53 is provided with a sleeve at an end thereof protruding with respect to the sliding plate 51.
When the movable connecting piece 4 rotates around the hinge point of the movable connecting piece 4 and the box body 1 under the driving action of the driving component 3, the sliding piece 5 is matched with the sliding groove 41 to drive the box cover 2 to rotate.
In the process that the sliding plate 51 slides along the sliding groove 41, the roller 52 is in rolling contact with the inner wall of the sliding groove 41, so that the sliding of the sliding plate 51 is guided on one hand, and the friction force of the sliding plate 51 sliding along the sliding groove 41 is reduced on the other hand, and quick opening or closing of the cover is ensured.
The first rotating shaft 7 is arranged to share the stress of the hinge structure when the case cover 2 is opened and closed, so that the service life of the hinge structure can be prolonged, and the stability of the case cover 2 when the case cover is opened and closed can be good.
Further, the hinge point between the first end of the movable connecting piece 4 and the output end of the driving component 3 is a first target point, the hinge point between the sliding piece 5 and the box cover 2 is a second target point, and the hinge point between the movable connecting piece 4 and the box body 1 is located at the lower side of the connecting line of the first target point and the second target point. By the arrangement, the uncovering angle can be maximized.
Specifically, in fig. 2 and 3, a point a represents a first target point, a point B represents a second target point, a point C represents a hinge point of the articulated element 4 with the case 1, and the point C is located on the lower side of the line segment AB (the line segment AB is shown in a broken line).
The point C is positioned at the lower side of the line segment AB, so that the maximum opening angle of the power assembly test box can be ensured.
Specifically, in this embodiment, the driving assembly 3 includes a linear cylinder, a driving assembly mounting seat 33 is disposed on the case 1, a cylinder body 31 of the linear cylinder is rotatably mounted on the driving assembly mounting seat 33, and a free end of a push rod 32 of the linear cylinder is hinged to the first end of the movable connecting member 4.
Of course, in other embodiments, the driving assembly 3 may be an oil cylinder or an electric cylinder.
After the push rod 32 is completely contracted relative to the cylinder body 31, the hinge point between the free end of the push rod 32 of the linear cylinder and the first end of the movable connecting piece 4 is a first target point, the hinge point between the movable connecting piece 4 and the box body 1 is a third target point, and the sum of the distance between the driving component mounting seat 33 and the first target point and the distance between the first target point and the third target point is greater than the distance between the driving component mounting seat 33 and the third target point, so that the box opening angle of the power assembly test box can be ensured to be maximum.
Of course, in other embodiments, other forms of driving assembly 3 may be used to drive the movable connecting member 4 to rotate about the first rotation axis 7; if the mechanical arm is adopted to drive the movable connecting piece 4 to rotate around the first rotating shaft 7, the opening and closing of the box cover 2 are realized.
In fig. 2 and 3, a point C represents a third target point.
The sum of the distance between the drive assembly mount 33 and point a and the distance between point a and point C is greater than the distance between the drive assembly mount 33 and point C. So arranged, when the push rod 32 of the linear cylinder is fully contracted, the box opening angle of the power assembly test box is maximized.
Optionally, in the present embodiment, the movable connecting piece 4 is substantially L-shaped and includes an extending portion 42 and a corner portion 43, the point B is located at a free end of the extending portion 42, the point C is located at the extending portion 42, the line BC is parallel to the extending direction of the extending portion 42, and the point a is located at a free end of the corner portion 43.
Of course, in other embodiments, the shape of the movable connecting piece 4 may be Z-shaped or other shapes, so long as the positions of the points a, B and C are guaranteed to meet the design requirements.
Specifically, the point C is connected to the free end of the push rod 32 of the linear cylinder by a shaft element. One of the free ends of the movable connecting piece 4 and the push rod 32 is rotatably connected with the shaft part, and the other is fixedly connected with the shaft part.
Preferably, in this embodiment, two driving components 3 are disposed on two opposite sides of the power assembly test box, and each driving component 3 is correspondingly provided with a movable connecting piece 4 and a sliding piece 5; by the arrangement, the box cover 2 can be uniformly stressed in the switching process, and the switching process is more stable.
Specifically, when the powertrain test chamber is in the closed state, the push rod 32 of the linear cylinder is in the fully extended state, the corner portion 43 is located on the upper side of the extension portion 42, and the slider 5 is closest to the point C; when the box body 1 needs to be opened, the push rod 32 of the linear air cylinder performs shrinkage movement (meanwhile, the linear air cylinder rotates backwards relatively) to drive the movable connecting piece 4 to rotate around the point C along the first time needle direction, under the cooperation of the sliding groove 41 and the sliding piece 5, the sliding piece 5 performs linear movement in the sliding groove 41 along the direction away from the point C, and the box cover 2 rotates to an opening state around the hinge structure relative to the box body 1; when the push rod 32 of the linear cylinder is in a fully contracted state, the opening angle of the box cover 2 is maximum, and the stable zipper 6 for opening the box is installed in place at this time.
When the case cover 2 needs to be closed, the push rod 32 of the linear cylinder performs an extending motion (meanwhile, the linear cylinder rotates forwards relatively) to drive the movable connecting piece 4 to rotate around the point C along a second clockwise direction opposite to the first clockwise direction, under the cooperation of the sliding groove 41 and the sliding piece 5, the sliding piece 5 performs a linear motion in the sliding groove 41 along a direction close to the point C, and the case cover 2 rotates to a closed state around the hinge structure relatively to the case body 1.
Example two
The embodiment provides a power assembly test bed which can complete the test of a power assembly to be tested.
Specifically, in this embodiment, the powertrain test stand includes a frame body and the powertrain test chamber of the first embodiment.
The box body 1 of the power assembly test box is fixedly arranged on the frame body.
When the power assembly test bed provided by the embodiment is used, the power assembly to be tested is installed in the power assembly test box. When the test cavity 11 is opened or closed, the driving assembly 3 drives the movable connecting piece 4 to rotate around the first rotating shaft 7, and meanwhile, the movable connecting piece 4 drives the sliding piece 5 to rotate around the first rotating shaft 7, and the sliding piece 5 moves along the length direction of the movable connecting piece 4.
The driving component 3 drives the movable connecting piece 4 to rotate around the first rotating shaft 7, and the movable connecting piece 4 drives the box cover 2 to rotate around the first rotating shaft 7 in the rotating process, so that the box cover 2 is driven to be opened or closed by the rotation of the movable connecting piece 4. The drive assembly 3 and the movable connecting piece 4 can not interfere with a cable at the test hole 13 on the box body 1 in the rotating process, and the drive assembly 3 is controlled to drive the rotation angle of the movable connecting piece 4 according to the requirement, so that the opening of the box cover 2 is controlled, the opening of the box cover 2 is prevented from being limited, and the power assembly is conveniently placed in the test cavity 11.
The sliding piece 5 slides and sets up in the second end of swing joint spare 4 and slider 5 is articulated with case lid 2, and slider 5 moves along the length direction of swing joint spare 4 when rotatory around first pivot 7 to drive case lid 2 and open or close test chamber 11, also slider 5 can further guarantee the rotation orbit of case lid 2 promptly, guarantees case lid 2 and stably follows the orbit switching of setting for.
Example III
The embodiment provides a power assembly test method. The power assembly test bed of the second embodiment is adopted to test the power assembly, and the method comprises the following steps:
s1, controlling a driving assembly 3 to drive a box cover 2 to open an opening of a test cavity 11;
S2, installing an open box stable zipper 6, wherein two ends of the open box stable zipper 6 are respectively connected with the box body 1 and the box cover 2, so that the box cover 2 keeps a state of opening an opening of the test cavity 11;
s3, installing the power assembly to be tested in the test cavity 11;
S4, the connection between the box opening stable zipper 6 and the box body 1 and the box cover 2 is released;
S5, controlling the driving assembly 3 to drive the box cover 2 to be closed;
specifically, a lock catch is arranged at the buckling position of the box body 1 and the box cover 2; in step S5, after the driving component 3 drives the case cover 2 to close, the lock catch at the buckling position of the case body 1 and the case cover 2 is locked;
S6, testing the power assembly in the power assembly test box.
Further, a refrigerating system, a heating system and a humidifying system are arranged on the power assembly test box. In step S5, the refrigerating system, the heating system or the humidifying system inputs air of a set condition into the test chamber 11, thereby simulating a climate environment of a desired condition in the test chamber 11, and the power assembly performs a corresponding test in the climate environment.
According to the power assembly test method provided by the embodiment, the power assembly is tested by adopting the power assembly test bed. When the power assembly test bed is used, the power assembly to be tested is installed in the power assembly test box.
When the test cavity 11 is opened or closed, the driving assembly 3 drives the movable connecting piece 4 to rotate around the first rotating shaft 7, and meanwhile, the movable connecting piece 4 drives the sliding piece 5 to rotate around the first rotating shaft 7, and the sliding piece 5 moves along the length direction of the movable connecting piece 4.
The driving component 3 drives the movable connecting piece 4 to rotate around the first rotating shaft 7, and the movable connecting piece 4 drives the box cover 2 to rotate around the first rotating shaft 7 in the rotating process, so that the box cover 2 is driven to be opened or closed by the rotation of the movable connecting piece 4. The driving assembly 3 is controlled to drive the rotation angle of the movable connecting piece 4 according to the requirement, so that the opening degree of the box cover 2 is controlled, the opening degree of the box cover 2 is prevented from being limited, and the power assembly is conveniently placed in the test cavity 11.
The sliding piece 5 slides and sets up in the second end of swing joint spare 4 and slider 5 is articulated with case lid 2, and slider 5 moves along the length direction of swing joint spare 4 when rotatory around first pivot 7 to drive case lid 2 and open or close test chamber 11, also slider 5 can further guarantee the rotation orbit of case lid 2 promptly, guarantees case lid 2 and stably follows the orbit switching of setting for.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (8)
1. The power assembly test box, its characterized in that includes:
the test device comprises a box body (1), wherein a test cavity (11) with an opening is arranged in the box body (1);
The box cover (2) is hinged to the box body (1);
the driving assembly (3) is arranged on the box body (1);
The first end of the movable connecting piece (4) is hinged with the output end of the driving assembly (3), the second end of the movable connecting piece (4) is movably connected with the box cover (2), and the movable connecting piece (4) is hinged with the box body (1) through a first rotating shaft (7);
the sliding piece (5) is arranged at the second end of the movable connecting piece (4) in a sliding manner, and the sliding piece (5) is hinged with the box cover (2);
The driving assembly (3) can drive the movable connecting piece (4) to rotate around the first rotating shaft (7), the movable connecting piece (4) can drive the sliding piece (5) to rotate around the first rotating shaft (7) and simultaneously the sliding piece (5) moves along the length direction of the movable connecting piece (4), so that the box cover (2) is driven to open or close the test cavity (11);
The hinge point of the first end of the movable connecting piece (4) and the output end of the driving component (3) is a first target point, the hinge point of the sliding piece (5) and the box cover (2) is a second target point, and the first rotating shaft (7) is positioned at the lower side of the connecting line of the first target point and the second target point;
the driving assembly (3) comprises a linear air cylinder, a driving assembly mounting seat (33) is arranged on the box body (1), a cylinder body (31) of the linear air cylinder is rotatably mounted on the driving assembly mounting seat (33), and the free end of a push rod (32) of the linear air cylinder is hinged with the first end of the movable connecting piece (4);
after the push rod (32) is completely contracted relative to the cylinder body (31), the hinge point of the free end of the push rod (32) of the linear cylinder and the first end of the movable connecting piece (4) is a first target point, the hinge point of the movable connecting piece (4) and the box body (1) is a third target point, and the sum of the distance between the driving component mounting seat (33) and the first target point and the distance between the first target point and the third target point is larger than the distance between the driving component mounting seat (33) and the third target point.
2. A locomotion assembly test chamber according to claim 1, characterized in that the slide (5) comprises:
The second end of the movable connecting piece (4) is provided with a sliding groove (41), and the sliding plate (51) is slidably arranged in the sliding groove (41);
The rollers (52) are arranged on two side edges of the sliding plate (51) extending along the length direction of the sliding groove (41), and the rollers (52) are in rolling abutting connection with the inner wall of the sliding groove (41);
the second rotating shaft (53) is rotatably arranged on the sliding plate (51) and is fixedly connected with the box cover (2).
3. A powertrain testing chamber according to claim 1, characterized in that the cover (2) is hinged to the chamber (1) by a hinge structure, the centre line of the first rotation axis (7) being arranged non-collinearly with the rotation axis of the hinge structure.
4. A locomotion assembly test kit according to any one of claims 1-3, characterized in that the locomotion assembly test kit further comprises an open box stabilizing zipper (6), the open box stabilizing zipper (6) being configured to: when the box cover (2) rotates to open the opening of the test cavity (11), two ends of the box opening stabilizing zipper (6) are respectively connected with the box body (1) and the box cover (2), so that the box cover (2) keeps a state of opening the opening of the test cavity (11); and the open box stabilizing zipper (6) can be disconnected with the box cover (2) so that the box cover (2) can be rotated to close the opening of the test cavity (11).
5. The powertrain testing chamber of claim 4, wherein the open-box stabilizing zipper (6) comprises a chain (61), two ends of the chain (61) are respectively provided with a chain buckle (62), and the chain buckle (62) of at least one end of each chain (61) is detachably connected with the case body (1) or the case cover (2).
6. The powertrain test chamber of claim 5, wherein a first connecting ring (12) is provided on the chamber (1), wherein one of the chain links (62) is detachably connected to the first connecting ring (12); and/or
The box cover (2) is provided with a second connecting ring (21), and the other chain buckle (62) is detachably connected with the second connecting ring (21).
7. The power assembly test bench, its characterized in that includes:
A frame body;
The powertrain testing chamber of any one of claims 1-6, wherein a chamber body (1) of the powertrain testing chamber is fixedly disposed on the frame body.
8. A powertrain testing method, wherein the powertrain is tested using the powertrain test stand of claim 7, comprising the steps of:
s1, controlling a driving assembly (3) to drive a box cover (2) to open an opening of a test cavity (11);
S2, installing an open box stable zipper (6), wherein two ends of the open box stable zipper (6) are respectively connected with the box body (1) and the box cover (2) so that the box cover (2) keeps a state of opening an opening of the test cavity (11);
s3, installing the power assembly to be tested in the test cavity (11);
s4, connecting the box opening stable zipper (6) with the box body (1) and the box cover (2) is released;
s5, controlling the driving assembly (3) to drive the box cover (2) to be closed;
s6, testing the power assembly in the power assembly test box.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311448245.6A CN117470550B (en) | 2023-11-02 | 2023-11-02 | Power assembly test box, power assembly test bed and power assembly test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311448245.6A CN117470550B (en) | 2023-11-02 | 2023-11-02 | Power assembly test box, power assembly test bed and power assembly test method |
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| CN117470550B true CN117470550B (en) | 2024-06-04 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203515121U (en) * | 2013-07-02 | 2014-04-02 | 上海英环测试设备有限公司 | Single air cylinder sliding block linkage door opening mechanism for supplementary restraint system explosion test |
| CN215795567U (en) * | 2021-01-18 | 2022-02-11 | 无锡市奥斯韦特科技有限公司 | Wide-angle mechanism of uncapping of proof box |
| CN115487877A (en) * | 2022-09-30 | 2022-12-20 | 江苏拓米洛环境试验设备有限公司 | Simulation environment test box |
| CN219031385U (en) * | 2022-11-29 | 2023-05-16 | 安徽旺滴智能科技有限公司 | Portable medical equipment interface testing device |
-
2023
- 2023-11-02 CN CN202311448245.6A patent/CN117470550B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203515121U (en) * | 2013-07-02 | 2014-04-02 | 上海英环测试设备有限公司 | Single air cylinder sliding block linkage door opening mechanism for supplementary restraint system explosion test |
| CN215795567U (en) * | 2021-01-18 | 2022-02-11 | 无锡市奥斯韦特科技有限公司 | Wide-angle mechanism of uncapping of proof box |
| CN115487877A (en) * | 2022-09-30 | 2022-12-20 | 江苏拓米洛环境试验设备有限公司 | Simulation environment test box |
| CN219031385U (en) * | 2022-11-29 | 2023-05-16 | 安徽旺滴智能科技有限公司 | Portable medical equipment interface testing device |
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| CN117470550A (en) | 2024-01-30 |
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