New energy vehicle bracket online detection device and working method thereof

Abstract

The present invention belongs to the field of detection technology, and specifically relates to an online detection device for a new energy vehicle bracket and a working method thereof. The online detection device for the new energy vehicle bracket comprises: a clamping tool for limiting the bracket to be detected; a detection mechanism, which comprises: a pressure chamber, a first detection block, a flexible detection ring and a second detection block are sequentially inserted into a side wall of which; a control module is configured to control a driving mechanism to drive the pressure chamber to extend into a guide rail, and to push the first detection block and the second detection block to move outward and against a groove wall through the air pressure in the pressure chamber; and is also configured to control the driving mechanism to drive the pressure chamber to move along the guide rail, and to judge the yield strength of the groove wall according to the air pressure data in the pressure chamber, and to judge whether there is a crack in the groove wall according to the flow data in the detection chamber. The online detection device for the new energy vehicle bracket can simultaneously detect whether the yield strength of the groove wall meets the standard and whether there is a crack in the groove wall during one movement.

Description

Technical Field

[0001] The present invention belongs to the field of detection technology, and specifically relates to measuring the increase and decrease rate of a fluid, and more particularly to an online detection device for a new energy vehicle bracket and a working method thereof. Background Art

[0002] New energy vehicle brackets need to be quality inspected before leaving the factory. Among them, the yield strength test of new energy vehicle brackets is a key link to ensure their safety and reliability in actual use. As a yield strength test of metal brackets, static tensile tests or compression tests are usually used in related technologies. A tensile testing machine is used to squeeze or stretch the vehicle bracket to a certain force, and the deformation curve and yield point of the vehicle bracket under this force are recorded.

[0003] However, this detection method can only obtain accurate recorded data when the automobile bracket undergoes obvious deformation. Since the automobile bracket is groove-shaped, when there are cracks in the bracket, the cracks cannot be detected due to the bending of the side walls of the automobile bracket. In addition, during the stretching or extrusion process, the presence of cracks will not significantly affect the deformation curve, resulting in missed detection.

[0004] Therefore, how to solve the technical problem that the new energy vehicle bracket needs to use two devices to detect the yield strength and cracks respectively, resulting in low efficiency, is urgently needed to be solved by technical personnel in this field.

[0005] It should be noted that the above information disclosed in this background technology section is only used to understand the background technology of the present application concept, and therefore, the above description is not considered to constitute information of the prior art. Summary of the invention

[0006] The disclosed embodiments at least provide an online detection device for a new energy vehicle bracket and a working method thereof.

[0007] In the first aspect, the embodiment of the present disclosure provides an online detection device for a new energy vehicle bracket, which includes: a clamping tool for limiting the position of a bracket to be detected; a detection mechanism, which includes: a pressure chamber, a side wall of the pressure chamber is sequentially inserted with a first detection block, a flexible detection ring and a second detection block; a driving mechanism, connected to the pressure chamber of the detection mechanism; and a control module, which is configured to control the driving mechanism to drive the pressure chamber to extend into the guide rail, and then control the pressure chamber to increase the pressure to push the first detection block and the second detection block to move outward until they are against the groove wall, and at the same time, the flexible detection ring is pushed outward by the increase in pressure of the pressure chamber until it is in contact with the groove wall to form a detection chamber; the control module is also configured to control the driving mechanism to drive the pressure chamber to move along the guide rail, and during the movement, judge the yield strength of the groove wall according to the air pressure data in the pressure chamber, and judge whether there is a crack in the groove wall according to the flow data in the detection chamber.

[0008] In an optional embodiment, the first detection block, the flexible detection ring and the second detection block are arranged along the length direction of the groove wall; wherein the first detection block and the second detection block are pressed against the groove wall by the air pressure in the pressure chamber, and thrust is applied on both sides of the detection chamber to promote the opening of the crack when there is a crack in the detection chamber.

[0009] In an optional embodiment, the side wall of the pressure chamber is provided with three plug-in interfaces along the length direction of the groove wall; the middle plug-in interface is provided with a block, and the block extends into the plug-in interface to form an annular channel; the flexible detection ring is inserted in the annular channel, and the first detection block and the second detection block are respectively inserted in the plug-in interfaces on both sides of the annular channel.

[0010] In an optional embodiment, a pressure sensor is provided in the pressure chamber, and the control module is configured to determine the yield strength of the groove wall through air pressure data obtained by the pressure sensor; a through hole is provided on the block, and a flow sensor is provided in the through hole, and the control module is also configured to determine whether there are cracks in the groove wall through flow data obtained by the flow sensor.

[0011] In an optional embodiment, the first detection block and the second detection block are made of hard material, and their deformation when subjected to force is reduced to control their outward movement distance when they abut against the qualified groove wall.

[0012] In an optional embodiment, the pressure chamber is connected to an air source; the control module is configured to control the air source to pressurize the pressure chamber after the pressure chamber extends into the guide rail to move the first detection block, the flexible detection ring and the second detection block outward.

[0013] In an optional implementation, a mounting block is disposed in the pressure chamber; the mounting block is connected to the stopper via a connecting rod.

[0014] In an optional embodiment, the driving mechanism includes: a horizontal moving component, a height adjustment component and a rotating component; wherein the rotating component is arranged on the horizontal moving component, the height adjustment component is arranged on the rotating component, and the pressure chamber is connected to the height adjustment component.

[0015] In the second aspect, the disclosed embodiment also provides a working method of an online detection device for a new energy vehicle bracket, which includes: limiting the bracket to be detected by clamping tooling; inserting a first detection block, a flexible detection ring and a second detection block in sequence on the side wall of the pressure chamber; controlling a driving mechanism through a control module to drive the pressure chamber into the guide rail, so that the air pressure in the pressure chamber pushes the first detection block and the second detection block to move outward and against the groove wall, and at the same time, the air pressure in the pressure chamber pushes the flexible detection ring to move outward and fit the groove wall to form a detection chamber; controlling the driving mechanism through a control module to drive the pressure chamber to move along the guide rail, and during the movement, judging the yield strength of the groove wall according to the air pressure data in the pressure chamber, and judging whether there are cracks in the groove wall according to the flow data in the detection chamber.

[0016] In an optional embodiment, the first detection block, the flexible detection ring and the second detection block are arranged along the length direction of the groove wall; wherein the first detection block and the second detection block are pressed against the groove wall by the air pressure in the pressure chamber, and thrust is applied on both sides of the detection chamber to promote the opening of the crack when there is a crack in the detection chamber.

[0017] The beneficial effects of the present invention are that, in the process of moving in the pressure chamber, when the yield strength of the groove wall is insufficient, the thrust of the first detection block and / or the second detection block will cause the groove wall to deform, and at this time, the first detection block and / or the second detection block will move outward, so that the air pressure data in the pressure chamber will become smaller; and in the process of moving the pressure chamber, when there are cracks in the groove wall, the gas in the detection chamber will escape from the cracks, so that the flow sensor will obtain the flow data; therefore, the online detection device of the new energy vehicle bracket can realize the simultaneous detection of whether the yield strength of the groove wall meets the standard and whether there are cracks in the groove wall in one movement process.

[0018] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention are realized and obtained by the structures particularly pointed out in the description, claims and drawings.

[0019] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, this article specifically cites preferred embodiments and provides detailed descriptions as follows in conjunction with the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A schematic diagram of the structure of an online detection device for a new energy vehicle bracket provided in an embodiment of the present disclosure;

[0022] Figure 2 A schematic diagram of the structure of a detection chamber for detecting cracks provided in an embodiment of the present disclosure;

[0023] Figure 3 A schematic diagram of the structure of an annular channel provided in an embodiment of the present disclosure;

[0024] Figure 4 A schematic diagram of the structure of a driving mechanism provided in an embodiment of the present disclosure.

[0025] In the figure:

[0026] Clamping tool 1;

[0027] Bracket 2, guide rail 21, groove wall 22, crack 23;

[0028] Detection mechanism 3, pressure chamber 31, plug port 311, stopper 312, annular channel 313, through hole 314, mounting block 315, connecting rod 316, first detection block 32, flexible detection ring 33, second detection block 34, detection chamber 35;

[0029] Driving mechanism 4, horizontal moving component 41, height adjusting component 42, rotating component 43. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, in the drawings, the thickness of the components may be exaggerated or reduced in order to effectively describe the technical content.

[0032] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0033] like Figure 1 , Figure 2 As shown, at least one embodiment provides an online detection device for a new energy vehicle bracket, which includes: a clamping tool 1 for limiting the bracket 2 to be detected; a detection mechanism 3, which includes: a pressure chamber 31, a side wall of the pressure chamber 31 is sequentially inserted with a first detection block 32, a flexible detection ring 33 and a second detection block 34; a driving mechanism 4, connected to the pressure chamber 31 of the detection mechanism 3; and a control module, which is configured to control the driving mechanism 4 to drive the pressure chamber 31 to extend into the guide rail 21, and then control the pressure chamber 31 to increase the pressure to push the first detection block 32 and the second detection block 34 to move outward until they are against the groove wall 22, and at the same time, the flexible detection ring 33 is pushed outward by the increase in pressure of the pressure chamber 31 until it is in contact with the groove wall 22 to form a detection chamber 35; the control module is also configured to control the driving mechanism 4 to drive the pressure chamber 31 to move along the guide rail 21, and during the movement, the yield strength of the groove wall 22 is judged according to the air pressure data in the pressure chamber 31, and whether there is a crack 23 in the groove wall 22 according to the flow data in the detection chamber 35.

[0034] Specifically, the working process of the online detection device for the new energy vehicle bracket is as follows: first, the driving mechanism 4 is controlled to move the pressure chamber 31 into the guide rail 21 of the bracket 2, and then the air source connected to the pressure chamber 31 is controlled to inflate the pressure chamber 31, so that the first detection block 32, the flexible detection ring 33 and the second detection block 34 move outward until they are against or fit against the groove wall 22 of the bracket 2, and the inflation is stopped after a certain period of time and the air pressure data at this time is recorded, and finally the driving mechanism 4 is controlled to move the pressure chamber 31 along the groove wall 22.

[0035] In this embodiment, during the movement of the pressure chamber 31, when the yield strength of the groove wall 22 is insufficient, the thrust of the first detection block 32 and / or the second detection block 34 will cause the groove wall 22 to deform. At this time, the first detection block 32 and / or the second detection block 34 move outward, so that the air pressure data in the pressure chamber 31 will become smaller; and during the movement of the pressure chamber 31, when there is a crack 23 in the groove wall 22, the gas in the detection chamber 35 will escape from the crack 23, so that the flow sensor will obtain the flow data; therefore, the online detection device of the new energy vehicle bracket can simultaneously detect whether the yield strength of the groove wall 22 meets the standard and whether there is a crack 23 in the groove wall 22 during one movement.

[0036] In some embodiments, the first detection block 32, the flexible detection ring 33 and the second detection block 34 are arranged along the length direction of the groove wall 22; wherein the first detection block 32 and the second detection block 34 are pressed against the groove wall 22 by the air pressure in the pressure chamber 31, and thrust is applied on both sides of the detection chamber 35 to promote the opening of the crack 23 when there is a crack 23 in the detection chamber 35.

[0037] In this embodiment, there are some cracks 23 on the groove wall 22 which are closed under normal circumstances. These cracks 23 make it difficult for the gas in the detection chamber 35 to escape. Therefore, the online detection device for the new energy vehicle bracket sets the flexible detection ring 33 between the first detection block 32 and the second detection block 34, so that the area of ​​the groove wall 22 being detected by the flexible detection ring 33 is in a state of being stressed on both sides, that is, the cracks 23 are promoted to open by applying a thrust.

[0038] like Figure 3 As shown, in some embodiments, the side wall of the pressure chamber 31 is provided with three plug-in ports 311 along the length direction of the groove wall 22; the plug-in port 311 located in the middle is provided with a block 312, and the block 312 extends into the plug-in port 311 to form an annular channel 313; the flexible detection ring 33 is inserted in the annular channel 313, and the first detection block 32 and the second detection block 34 are respectively inserted in the plug-in ports 311 on both sides of the annular channel 313.

[0039] like Figure 2 As shown, in some embodiments, a pressure sensor is provided in the pressure chamber 31, and the control module is configured to determine the yield strength of the groove wall 22 through the air pressure data obtained by the pressure sensor; a through hole 314 is provided on the block 312, and a flow sensor is provided in the through hole 314, and the control module is also configured to determine whether there is a crack 23 in the groove wall 22 through the flow data obtained by the flow sensor.

[0040] In this embodiment, when there is a crack 23 , the gas in the pressure chamber 31 will escape from the crack 23 , so gas will pass through the through hole 314 for a long time, and the flow sensor will collect gas flow data exceeding the threshold, indicating the existence of the crack 23 .

[0041] In some embodiments, a mounting block 315 is disposed in the pressure chamber 31 ; the mounting block 315 is connected to the stopper 312 via a connecting rod 316 .

[0042] In some embodiments, the first detection block 32 and the second detection block 34 are made of hard material, and their deformation when subjected to force is reduced to control the outward movement distance when they abut against the qualified slot wall 22 .

[0043] In some embodiments, the pressure chamber 31 is connected to an air source; the control module is configured to control the air source to pressurize the pressure chamber 31 after the pressure chamber 31 extends into the guide rail 21 to move the first detection block 32, the flexible detection ring 33 and the second detection block 34 outward.

[0044] like Figure 4 As shown, in some embodiments, the driving mechanism 4 includes: a horizontal moving component 41, a height adjustment component 42 and a rotating component 43; wherein the rotating component 43 is arranged on the horizontal moving component 41, the height adjustment component 42 is arranged on the rotating component 43, and the pressure chamber 31 is connected to the height adjustment component 42.

[0045] At least one embodiment also provides a working method of an online detection device for a new energy vehicle bracket, which includes: limiting the bracket 2 to be detected by clamping a tool 1; inserting a first detection block 32, a flexible detection ring 33 and a second detection block 34 in the side wall of the pressure chamber 31 in sequence; controlling the driving mechanism 4 by the control module to drive the pressure chamber 31 to extend into the guide rail 21, so that the air pressure in the pressure chamber 31 pushes the first detection block 32 and the second detection block 34 to move outward and abut against the groove wall 22, and at the same time, the air pressure in the pressure chamber 31 pushes the flexible detection ring 33 to move outward and fit the groove wall 22 to form a detection chamber 35; controlling the driving mechanism 4 by the control module to drive the pressure chamber 31 to move along the guide rail 21, and during the movement, judging the yield strength of the groove wall 22 according to the air pressure data in the pressure chamber 31, and judging whether there is a crack 23 in the groove wall 22 according to the flow data in the detection chamber 35.

[0046] In some embodiments, the first detection block 32, the flexible detection ring 33 and the second detection block 34 are arranged along the length direction of the groove wall 22; wherein the first detection block 32 and the second detection block 34 are pressed against the groove wall 22 by the air pressure in the pressure chamber 31, and thrust is applied on both sides of the detection chamber 35 to promote the opening of the crack 23 when there is a crack 23 in the detection chamber 35.

[0047] Regarding the specific structure and implementation process of the online detection device for new energy vehicle brackets, please refer to the relevant discussion in the above embodiments, which will not be repeated here.

[0048] To sum up, the online detection device for the new energy vehicle bracket and its working method are as follows: during the movement of the pressure chamber 31, when the yield strength of the groove wall 22 is insufficient, the thrust of the first detection block 32 and / or the second detection block 34 will cause the groove wall 22 to deform. At this time, the first detection block 32 and / or the second detection block 34 move outward, so that the air pressure data in the pressure chamber 31 will become smaller; and during the movement of the pressure chamber 31, when there is a crack 23 in the groove wall 22, the gas in the detection chamber 35 will escape from the crack 23, so that the flow sensor will obtain the flow data; therefore, the online detection device for the new energy vehicle bracket can simultaneously detect whether the yield strength of the groove wall 22 meets the standard and whether there is a crack 23 in the groove wall 22 in one movement process.

[0049] Herein, when it is mentioned that a first component is located on a second component, this may mean that the first component may be directly formed on the second component, or a third component may be interposed between the first component and the second component.

[0050] In this article, when an element or layer is referred to as being "located on," "engaged to," "connected to," "attached to," or "coupled to" another element or layer, it may be directly located on, engaged, connected, attached to, or coupled to another element or layer, or there may be intermediate elements or layers. In contrast, when an element is referred to as being "directly on," "directly engaged to," "directly connected to," "directly attached to," or "directly coupled to" another element or layer, there may be no intermediate elements or layers. Other words used to describe the relationship between elements should be interpreted in a similar manner (e.g., "between" versus "directly between," "adjacent" versus "directly adjacent," etc.). As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0051] Herein, example embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. As used herein, expressions such as "at least one of..." modify the entire list of elements when following a list of elements, rather than modifying individual elements in the list. For example, the expression "at least one of a, b, and c" should be understood to include only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.

[0052] The terms used herein are only used to describe specific exemplary configurations and are not intended to be limited. As used herein, the singular articles "one", "an" and "the" may also be intended to include plural forms, unless it is clearly indicated above that this is not the case. The terms "comprise", "include" and "have" are inclusive, and therefore specify the presence of features, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components and / or combinations thereof. The method steps, processes and operations described herein should not be interpreted as necessarily requiring them to be performed in the specific order discussed or shown, unless specifically identified as an execution order. Additional or alternative steps may be adopted.

[0053] As used herein, the phrases "in one embodiment," "according to one embodiment," "in some embodiments," and the like generally refer to the fact that the particular feature, structure, or characteristic following the phrase may be included in at least one embodiment of the present disclosure. Therefore, a particular feature, structure, or characteristic may be included in more than one embodiment of the present disclosure, so that these phrases do not necessarily refer to the same embodiment. As used herein, the terms "example," "exemplary," and the like are used to "serve as an example, instance, or illustration." Any implementation, aspect, or design described herein as "example" or "exemplary" is not necessarily to be construed as preferred or superior to other implementations, aspects, or designs. On the contrary, the use of the terms "example," "exemplary," and the like is intended to present concepts in a concrete manner.

[0054] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, terms such as "first", "second" and other numerical terms do not imply an order or sequence when used in this document unless explicitly indicated above. Therefore, without departing from the teachings of the example embodiments, the first element, component, region, layer or section discussed above may be referred to as a second element, component, region, layer or section.

[0056] Spatially relative terms, such as "inside", "outside", "below", "below", "down", "above", "on", etc., may be used herein to facilitate description of the relationship of one element or feature to another element or feature as illustrated in the figure. In addition to the orientation depicted in the figure, spatially relative terms may be intended to cover different orientations of the device in use or operation. For example, if the device in the figure is turned over, the elements described as "below" or "below" other elements or features will be oriented to be "above" other elements or features. Therefore, the example term "below" can cover the orientation above and below. The device can be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially relative descriptors used herein are interpreted accordingly.

[0057] In the above discussion, unless otherwise stated, the terms "about," "approximately," "substantially," etc., when used to describe a numerical value, mean a variation of + / - 10% of the value.

[0058] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An online detection device for a new energy vehicle bracket, characterized in that: include: A clamping tool (1) for limiting the position of a bracket (2) to be inspected; A detection mechanism (3) comprising: a pressure chamber (31), a first detection block (32), a flexible detection ring (33) and a second detection block (34) being sequentially inserted into a side wall of the pressure chamber (31) along the length direction of the groove wall (22); A driving mechanism (4) connected to the pressure chamber (31) of the detection mechanism (3); and The control module is configured to control the driving mechanism (4) to drive the pressure chamber (31) to extend into the guide rail (21), and then control the pressure chamber (31) to increase pressure so as to push the first detection block (32) and the second detection block (34) to move outward until they abut against the groove wall (22), and at the same time, the pressure increase of the pressure chamber (31) pushes the flexible detection ring (33) to move outward until it abuts against the groove wall (22) to form a detection chamber (35); The control module is further configured to control the driving mechanism (4) to drive the pressure chamber (31) to move along the guide rail (21), and during the movement, determine the yield strength of the groove wall (22) based on the air pressure data in the pressure chamber (31), and determine whether there is a crack (23) in the groove wall (22) based on the flow data in the detection chamber (35); When a crack (23) exists on the groove wall (22) in the detection chamber (35), the first detection block (32) and the second detection block (34) apply a thrust on both sides of the detection chamber (35) to promote the opening of the crack (23); The side wall of the pressure chamber (31) is provided with three plug-in ports (311) along the length direction of the groove wall (22); The plug-in interface (311) located in the middle is provided with a stopper (312), and the stopper (312) extends into the plug-in interface (311) to form an annular channel (313); The flexible detection ring (33) is inserted into the annular channel (313), and the first detection block (32) and the second detection block (34) are respectively inserted into the insertion ports (311) on both sides of the annular channel (313).

2. The online detection device for new energy vehicle bracket according to claim 1, characterized in that: A pressure sensor is provided in the pressure chamber (31), and the control module is configured to determine the yield strength of the groove wall (22) through air pressure data acquired by the pressure sensor; The block (312) is provided with a through hole (314), a flow sensor is arranged in the through hole (314), and the control module is further configured to determine whether there is a crack (23) in the groove wall (22) through flow data acquired by the flow sensor.

3. The online detection device for the new energy vehicle bracket according to claim 2, characterized in that: The first detection block (32) and the second detection block (34) are made of hard material, and their deformation when subjected to force is reduced to control the outward displacement distance when they abut against the qualified slot wall (22).

4. The online detection device for new energy vehicle bracket according to claim 3, characterized in that: The pressure chamber (31) is connected to a gas source; The control module is configured to control the gas source to pressurize the pressure chamber (31) after the pressure chamber (31) extends into the guide rail (21) so as to move the first detection block (32), the flexible detection ring (33) and the second detection block (34) outward.

5. The online detection device for the new energy vehicle bracket according to claim 4, characterized in that: A mounting block (315) is provided in the pressure chamber (31); The mounting block (315) is connected to the stopper (312) via a connecting rod (316).

6. The online detection device for the new energy vehicle bracket according to claim 5, characterized in that: The driving mechanism (4) comprises: a horizontal moving component (41), a height adjusting component (42) and a rotating component (43); wherein The rotating component (43) is arranged on the horizontal moving component (41), the height adjusting component (42) is arranged on the rotating component (43), and the pressure chamber (31) is connected to the height adjusting component (42).

7. A working method of the online detection device for new energy vehicle bracket according to claim 1, characterized in that: include: Limiting the position of the bracket (2) to be inspected by means of a clamping tool (1); A first detection block (32), a flexible detection ring (33) and a second detection block (34) are sequentially inserted into the side wall of the pressure chamber (31); The control module controls the driving mechanism (4) to drive the pressure chamber (31) to extend into the guide rail (21), so that the air pressure in the pressure chamber (31) pushes the first detection block (32) and the second detection block (34) to move outwards and abut against the groove wall (22), and at the same time, the air pressure in the pressure chamber (31) pushes the flexible detection ring (33) to move outwards and abut against the groove wall (22) to form a detection chamber (35); The control module controls the driving mechanism (4) to drive the pressure chamber (31) to move along the guide rail (21), and during the movement, the yield strength of the groove wall (22) is determined based on the air pressure data in the pressure chamber (31), and the presence of cracks (23) in the groove wall (22) is determined based on the flow data in the detection chamber (35).

8. The working method of the online detection device for the new energy vehicle bracket according to claim 7, characterized in that: The first detection block (32), the flexible detection ring (33) and the second detection block (34) are arranged along the length direction of the groove wall (22); wherein The first detection block (32) and the second detection block (34) are pressed against the groove wall (22) by the air pressure in the pressure chamber (31), and a thrust is applied on both sides of the detection chamber (35) to promote the opening of the crack (23) when a crack (23) exists in the detection chamber (35).

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