Front upper cross beam clamp device

Abstract

A front upper cross beam clamp device is used for detachably fixing a front upper cross beam to a front auxiliary frame and comprises a fixing frame provided with a fixing frame mounting hole, a stand column cavity channel and a plurality of support adjusting holes; the supporting frame comprises a main supporting column and two auxiliary supporting columns with the same top end height and is provided with a plurality of support fixing holes, the lower portion of the main supporting column is inserted into the stand column cavity channel, and the support fixing holes and the support adjusting holes are selectively connected through bolts; the main supporting column is further provided with a support cavity channel and a support groove. The rail frame is provided with a rail frame rack extending up and down, and the front and rear sides of the rail frame rack are in sliding fit with the bracket cavities; the rotary supporting frame comprises a rotary supporting rod and a rotary supporting gear, the rotary supporting gear is installed on the supporting frame, and the rotary supporting gear is meshed with the rail frame rack; and the rotating frame is provided with a rotating frame rod and a rotating frame gear, and the rotating frame gear can be rotationally installed on the supporting frame so that the rotating frame gear can be meshed with the rail frame rack. Through the structure, the electrophoretic coating quality of the front upper cross beam and the body in white can be ensured.

Description

Technical Field

[0001] This utility model relates to electrophoresis of automobile body-in-white, and more particularly to electrophoresis of body-in-white with a detachable front upper crossbeam on the front subframe. Background Technology

[0002] In the current automotive industry, including the electric vehicle industry, modular components and assembly methods are widely used, thereby providing a simplified assembly process.

[0003] Figure 24 The prior art front subframe 300 is shown, which is mounted at the front of the body-in-white (BIW). For example... Figure 24 As shown, the front subframe 300 has an integral rectangular structure at its front end, with a front upper crossbeam 200. The space below the front upper crossbeam 200 is used to embed and install the cooling module assembly.

[0004] The installation of the cooling module assembly is very inconvenient due to the constraints imposed by the front upper crossbeam 200. Furthermore, maintenance and upkeep of the cooling module assembly will be extremely difficult in the future. The front upper crossbeam 200 also typically houses the hood latch cable assembly and external air intake, and this installation process is further hampered by interference from the body-in-white structure.

[0005] To overcome the above-mentioned defects, Figure 25 A novel front subframe 300 in the prior art is shown, wherein the front end of the front subframe 300 includes a detachable front upper crossbeam 200. For example... Figure 25 As shown, the front upper crossbeam 200 is detachably mounted on the upper front of the front subframe 300 of the body-in-white (BIW) via fasteners (e.g., multiple bolts), thus solving the detachable function required for installation and subsequent maintenance. The entire body-in-white then enters the painting production line for electrophoretic coating.

[0006] However, due to the close contact between the front upper crossbeam 200 and the front subframe 300 of the body-in-white, this manufacturing process results in the inability to coat the contact surfaces, thus affecting product quality. To address this coating process defect, the front upper crossbeam 200 can be pre-coated with electrophoretic paint. However, this requires a separate coating production line, leading to increased production costs.

[0007] The information disclosed in the background section of this utility model is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that such information constitutes prior art known to those skilled in the art. Utility Model Content

[0008] The purpose of this utility model is to provide a temporary fixing fixture for electrophoretic painting of the front upper crossbeam and the body-in-white together, which can overcome the defect that the contact area cannot be electrophoretically painted or is insufficiently electrophoretically painted due to the close contact between the front upper crossbeam and the front subframe of the body-in-white.

[0009] Specifically, this utility model provides a front upper crossbeam clamping device for detachably fixing the front upper crossbeam to the front subframe, comprising:

[0010] A fixed frame has a fixed frame base plate and a column extending upward from the fixed frame base plate. The fixed frame base plate has a fixed frame mounting hole, the column has a column cavity extending vertically inside, and the side of the column has multiple bracket adjustment holes that penetrate into the column cavity.

[0011] The support frame includes a centrally located, vertically extending main column and two secondary columns branching upwards from both sides of the main column. The tops of the main column and the two secondary columns are at the same height. The lower part of the main column has multiple vertically arranged bracket fixing holes. The lower part of the main column is inserted into the column cavity. The bracket fixing holes and bracket adjustment holes are selectively connected by bolts. The main column also has vertically extending bracket cavities and bracket grooves that extend horizontally through the bracket cavities.

[0012] The track frame has vertically extending track frame racks on its left and right sides, and its front and rear sides slide in cooperation with the support cavity.

[0013] A rotating support frame, the rotating support frame including a rotating support rod and a rotating support gear located at the end of the rotating support rod, the rotating support gear being rotatably mounted on the support frame, thereby causing the rotating support gear to mesh with the rail frame rack;

[0014] A rotating frame having a rotating frame rod and a rotating frame gear located at the end of the rotating frame rod, the rotating frame gear being rotatably mounted on a support frame such that the rotating frame gear meshes with the rail frame rack;

[0015] The rotating frame rotates by meshing with the rail frame rack, causing the rail frame to rise and fall. This, in turn, causes the rotating support frame to rotate and unfold through the support groove by meshing with the rail frame rack.

[0016] In the aforementioned front upper crossbeam clamping device, preferably, the upper part of the main support column has multiple rotating bracket mounting holes arranged vertically in two rows on the left and right, and the rotating support gear has a central hole. By selectively passing a bolt through the central hole and the rotating bracket mounting holes, the rotating support gear can be rotatably mounted on the support frame.

[0017] In the aforementioned front upper crossbeam clamping device, preferably, the front and rear surfaces of the track frame have vertically extending guide rail structures, and the guide rail structures slide in cooperation with the guide rail grooves on the inner surface of the support cavity.

[0018] In the aforementioned front upper beam clamping device, preferably, the tops of the main support and the secondary support are generally spherical or pointed.

[0019] In the aforementioned front upper crossbeam clamping device, preferably, one side surface of the main support column is provided with a retaining structure, which can engage the rotating frame rod.

[0020] Alternatively, a temporary engine hood bracket can be installed at the front of the front subframe. The temporary engine hood bracket has a support rod for supporting the engine hood and an adjustable mounting structure. The mounting holes of the fixed frame and the adjustable mounting structure are connected by bolts. The front upper crossbeam clamp device is installed to the temporary engine hood bracket.

[0021] Preferably, the aforementioned front upper crossbeam clamping device further includes:

[0022] A telescopic support frame has a track cavity extending through the entire length direction, a sliding groove extending through the track cavity on the upper surface, a gear mounting hole on the middle side, and a mounting frame in the middle of the upper surface. The mounting frame has multiple adjustable mounting holes, and the adjustable mounting holes and the fixed frame mounting holes are selectively connected by bolts.

[0023] A first telescopic frame, which can be slidably installed in the track cavity and can extend from the left side, has a first rack on its lower surface and a first mounting structure at its left end that can be positioned relative to the front subframe in a three-dimensional direction; the upper surface of the first telescopic frame has a threaded hole.

[0024] The second telescopic frame, which can be slidably installed in the track cavity and can extend from the right side, has a second rack on its lower surface and a second mounting structure at its right end that can be positioned relative to the front subframe in a three-dimensional direction;

[0025] A switch frame, the lower end of which passes through the sliding groove, has a threaded section at the lower end of which engages with the threaded hole, so that the switch frame can drive the first telescopic frame to slide and extend relative to the telescopic support frame.

[0026] A rotating gear is rotatably mounted into the telescopic support frame through the gear mounting hole and meshes with the upper first rack and the lower second rack respectively.

[0027] The cooperative structure of the switch frame, the first telescopic frame, and the telescopic support frame is such that: when the switch frame drives the threaded section to rotate forward by a predetermined angle, the first telescopic frame is tensioned relative to the telescopic support frame, preventing the first telescopic frame from sliding or extending, thus preventing movement between the first telescopic frame, the second telescopic frame, and the rotating gear; when the switch frame drives the threaded section to rotate in the opposite direction by a predetermined angle, the first telescopic frame is released from tension relative to the telescopic support frame, allowing relative movement between the first telescopic frame, the second telescopic frame, and the rotating gear.

[0028] More preferably, the left end of the first telescopic frame is formed with a first insertion section for insertion into a corresponding mounting groove of the front subframe, and a first guide post extending to the left beyond the end of the first insertion section is formed on its upper surface in a bifurcated manner. The first guide post is used to insert into a corresponding guide hole of the front subframe, and a first limiting part extending to the left is formed from the first insertion section in a bifurcated manner. The first limiting part is used to abut against the surface of the front subframe.

[0029] The right end of the second telescopic frame has a second insertion section for insertion into a corresponding mounting slot of the front subframe. The upper surface of the second insertion section has a forked second guide post extending to the right beyond the end of the second insertion section. The second guide post is for insertion into a corresponding guide hole of the front subframe. A second limiting portion extending to the right is formed from the second insertion section. The second limiting portion is for abutting against the surface of the front subframe.

[0030] More preferably, the ends of the first limiting portion (B-3) and the second limiting portion (C-3) have a spherical shape.

[0031] With the above structure, the front upper crossbeam clamping device of this utility model has the following beneficial effects:

[0032] 1. While ensuring that the front upper crossbeam and the body-in-white are electrophoretically coated at the same time, the defect that the contact area cannot be electrophoretically coated or is insufficiently electrophoretically coated due to the close contact between the front upper crossbeam and the front subframe of the body-in-white is improved, and the rust / corrosion problems caused by this are prevented.

[0033] 2. The installation dimensions of the front upper crossbeam clamp device of this utility model can be adjusted in multiple links and directions, which expands its versatility to adapt to the versatility of various vehicle models, thereby adapting to the long-term development of the product and saving development investment costs.

[0034] 3. The installation and operation of the front upper crossbeam clamping device of this utility model, the front upper crossbeam, and the front subframe of the body-in-white are convenient, which helps to improve work efficiency.

[0035] 4. Considering the self-weight of the front upper crossbeam, the front upper crossbeam clamping device of this utility model is structurally strengthened in the following aspects: ① The top of the front upper crossbeam clamping device and the front upper crossbeam form a triangular support structure through three-point contact. ② The fixing frame and the track bearing frame adopt a triangular support structure to ensure their own rigidity and further enhance it.

[0036] It should be understood that the term “vehicle” or “of a vehicle” or other similar terms used herein generally include motor vehicles, such as passenger vehicles including sport utility vehicles (SUVs), public vehicles, trucks, various commercial vehicles, vessels including various boats and ships, aircraft, etc., and includes hybrid vehicles, electric vehicles, plug-in hybrid electric vehicles, hydrogen-powered vehicles, and other alternative fuel vehicles (e.g., fuels derived from non-gasoline energy sources).

[0037] The method and apparatus of this invention have other features and advantages that will be apparent from or will be set forth in detail in the accompanying drawings and following detailed description, which together serve to explain the particular principles of this invention. Attached Figure Description

[0038] Figure 1 The diagram shows a front upper crossbeam being installed to the front of the vehicle body using the front upper crossbeam clamping device of this invention.

[0039] Figure 2 This is a perspective view of the implementation scheme of the front upper crossbeam clamping device of this utility model.

[0040] Figure 3 Showing Figure 2 An exploded perspective view of the front upper crossbeam clamping device.

[0041] Figure 4 Showing Figure 3 A three-dimensional schematic diagram of the telescopic support frame of the front upper crossbeam clamp device.

[0042] Figure 5 for Figure 3 A three-dimensional schematic diagram of the first telescopic frame of the front upper crossbeam clamping device.

[0043] Figure 6 for Figure 3 A three-dimensional schematic diagram of the second telescopic frame of the front upper crossbeam clamping device.

[0044] Figure 7A 3D diagram and Figure 7B The cross-sectional view shows a schematic diagram of the installation structure where the rotating gear is mounted in the telescopic support frame.

[0045] Figure 8 This is a schematic diagram illustrating the meshing relationship between the rotating gear and the first and second racks.

[0046] Figure 9 This is a perspective view of the front upper crossbeam clamping device of this utility model.

[0047] Figure 10 A cross-sectional view of the switchgear installed on the first telescopic frame.

[0048] Figure 11 Showing Figure 3 A three-dimensional schematic diagram of the fixing frame of the front upper crossbeam clamp device.

[0049] Figure 12 Showing Figure 3 A three-dimensional schematic diagram of the support frame of the front upper crossbeam clamp device.

[0050] Figure 13 Showing Figure 3 A three-dimensional schematic diagram of the track frame of the front upper crossbeam clamp device.

[0051] Figure 14 A three-dimensional schematic diagram of the assembly structure of the rotating support frame, the support frame, and the track frame is shown.

[0052] Figure 15A A schematic diagram of the installation of the rotating frame and track frame in the support frame is shown.

[0053] Figure 15B , Figure 15C and Figure 15D They are respectively Figure 15A The cross-sectional view taken along sections aa, bb, and cc.

[0054] Figure 16 , Figure 17A , Figure 17B This is a schematic diagram illustrating the process of installing the front upper crossbeam clamp device onto the front component of the body-in-white. Figure 17B for Figure 17A Another magnified view of the sz section.

[0055] Figure 18 This is a schematic diagram illustrating the steps of inserting and fixing the front upper crossbeam into the front upper crossbeam clamping device of this utility model.

[0056] Figure 19A , Figure 19B The initial position of the rotating support G is shown before the angle is adjusted.

[0057] Figure 20AA schematic diagram shows the rotating support frame unfolded to the bottom surface of the cavity inside the upper crossbeam in front of the support. Figure 20B The movement relationships of the components during the unfolding of the rotating support frame are shown.

[0058] Figure 21 A schematic diagram shows the temporary hood bracket being mounted to the front components of the body-in-white.

[0059] Figure 22 This invention shows a modified example of the front upper crossbeam clamping device.

[0060] Figure 23 Showing Figure 22 A schematic diagram of a modified example of the front upper crossbeam clamp device mounted on the temporary engine hood bracket 400.

[0061] Figure 24 The front subframe of the existing body-in-white is shown.

[0062] Figure 25 This illustrates a front subframe with a detachable front upper crossbeam, as described in the prior art.

[0063] Figure label:

[0064] Front upper crossbeam clamping device 100, 100'

[0065] Telescopic support frame A

[0066] Track cavity A-1

[0067] Sliding groove A-2

[0068] Mounting bracket A-3

[0069] Adjusting mounting hole A-4

[0070] Gear mounting hole A-5

[0071] First telescopic frame B

[0072] First rack B-1

[0073] First insertion segment B-2

[0074] First limiting section B-3

[0075] First guide pillar B-4

[0076] Threaded hole B-5

[0077] Second telescopic frame C

[0078] Second rack C-1

[0079] Second insertion segment C-2

[0080] Second limiting part C-3

[0081] Second guide post C-4

[0082] Fixture D

[0083] Column cavity D-1

[0084] Mounting hole D-2

[0085] Bracket Adjustment Hole D-3

[0086] Support frame E

[0087] Main support E-1

[0088] Secondary support E-2

[0089] Retention structure E-3

[0090] Bracket mounting hole E-4

[0091] Rotary mount hole E-5

[0092] Stent Channel E-6

[0093] E-7 bracket slot

[0094] Track frame F

[0095] Rail rack F-1

[0096] F-2 guide rail structure

[0097] Rotating frame J

[0098] J-1 rotating frame rod

[0099] J-2 gantry gear

[0100] Rotary support frame G

[0101] G-1 swivel strut

[0102] Spin-support gear G-2

[0103] switchgear K

[0104] Threaded section K-1

[0105] Rotary gear L

[0106] First bolt H-1

[0107] Second bolt H-2

[0108] Third bolt H-3

[0109] Front upper crossbeam 200

[0110] Front subframe 300

[0111] Temporary hood support 400

[0112] Support rod 500.

[0113] It should be understood that the accompanying drawings are not necessarily drawn to scale, and illustrate, to some extent, simplified features of the basic principles of the present invention. Specific design features of the present invention disclosed herein, including, for example, specific dimensions, orientations, positioning, and shapes, will be determined in part by the specific purpose and environment of use.

[0114] In these accompanying drawings, and in the multiple figures throughout the drawings, reference numerals refer to the same or equivalent parts of the present invention. Detailed Implementation

[0115] Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. These exemplary embodiments are examples and can be implemented in various different forms by those skilled in the art. Therefore, the present invention is not limited to the exemplary embodiments described herein.

[0116] Figure 1 The diagram shows a front upper crossbeam being mounted to the front of the body-in-white using the device of this invention.

[0117] like Figure 1 As shown, the front upper crossbeam 200 is mounted on the front subframe 300 of the body-in-white via the front upper crossbeam clamping device 100 of this utility model, wherein the arrow FR indicates the forward direction of the car.

[0118] Figure 2 This is a perspective view of an embodiment of the front upper crossbeam clamping device of the present invention, which is used to temporarily fix the front upper crossbeam to the front of the body-in-white.

[0119] Figure 3 Showing Figure 2 An exploded perspective view of the front upper crossbeam clamping device.

[0120] like Figure 3 As shown, the front upper crossbeam clamping device 100 of this utility model includes: a telescopic support frame A, a first telescopic frame B, a second telescopic frame C, a fixed frame D, a support frame E, a track frame F, a rotating frame J, a rotating support frame G, a switch frame K, a rotating gear L, a first bolt H-1, a second bolt H-2, and a third bolt H-3.

[0121] It should be noted that telescopic support frame A, first telescopic frame B, and second telescopic frame C are not mandatory; see [link to documentation]. Figures 21-23 The variation shown is an example of a variation.

[0122] Figure 4 for Figure 2 A three-dimensional schematic diagram of the telescopic support frame A of the front upper crossbeam clamp device.

[0123] like Figure 4 As shown, the telescopic support frame A is generally rod-shaped and has a track cavity A-1 extending through its entire length. A first telescopic frame B and a second telescopic frame C are slidably mounted in this track cavity; the first telescopic frame B extends from the left side, and the second telescopic frame C extends from the right side. The upper surface of the left side portion of the telescopic support frame A has a sliding groove A-2 extending into the track cavity, through which the lower end of the switch frame K passes and connects to the first telescopic frame B. A mounting frame A-3 is horizontally positioned at the center of the upper surface of the telescopic support frame A, extending perpendicularly to the telescopic support frame A. The mounting frame A-3 has multiple adjusting mounting holes A-4. A gear mounting hole A-5 is located on the middle side of the telescopic support frame A.

[0124] Figure 5 for Figure 2 A three-dimensional schematic diagram of the first telescopic frame B of the front upper crossbeam clamping device.

[0125] like Figure 5 As shown, the first telescopic frame B is generally long and rod-shaped, with a first rack B-1 on its lower surface and a first guide post B-4 extending to the left beyond the end of the long rod on its upper surface. The left end of the first telescopic frame B forms a first insertion section B-2, from which a first limiting portion B-3 extending to the left is formed. The first insertion section B-2 is used to insert into a corresponding mounting slot on the front subframe 300. The end of the first limiting portion B-3 has a spherical shape to reduce the contact area when positioned relative to the front subframe 300.

[0126] The first guide post B-4, the first insertion section B-2, and the first limiting part B-3 constitute a first mounting structure relative to the front subframe 300, which can be positioned relative to the front subframe 300 in three dimensions.

[0127] Of course, the first mounting structure of the front upper crossbeam clamping device of this utility model is not limited to this specific structure. Any structure that can position the first telescopic frame B relative to the front subframe 300 in a three-dimensional direction is feasible.

[0128] Figure 6 for Figure 2 A three-dimensional schematic diagram of the second telescopic frame C of the front upper crossbeam clamping device.

[0129] like Figure 6As shown, the second telescopic frame C is generally rod-shaped, with a second rack C-1 on its upper surface and a second guide post C-4 extending to the right beyond the end of the long rod on its lower surface. The right end of the second telescopic frame C forms a second insertion section C-2, from which a second limiting portion C-3 extending to the right is formed. The second insertion section C-2 is used to insert into a corresponding mounting slot on the front subframe 300. The end of the second limiting portion C-3 has a spherical shape to reduce the contact area when positioned relative to the front subframe 300.

[0130] The second guide post C-4, the second insertion section C-2, and the second limiting part C-3 constitute a second mounting structure relative to the front subframe 300, which can be positioned relative to the front subframe 300 in three dimensions.

[0131] Of course, the second mounting structure of the front upper crossbeam clamping device of this utility model is not limited to this specific structure. Any structure that can position the second telescopic frame C relative to the front subframe 300 in a three-dimensional direction is feasible.

[0132] Figure 7A 3D diagram and Figure 7B The cross-sectional view shows the mounting structure of the rotating gear L into the telescopic support frame A. Figure 7A The arrow in the image indicates the installation direction in which the rotating gear L will be installed using the second bolt H-2.

[0133] like Figure 7A , Figure 7B As shown, the rotating gear L is inserted into the telescopic support frame A through the gear mounting hole A-5. The second bolt H-2 passes through the through hole of the rotating gear L and is tightened to the telescopic support frame A, thereby installing the rotating gear L in the telescopic support frame A and allowing it to rotate freely. After installation, the rotating gear L meshes with the first rack B-1 of the upper first telescopic frame B and the second rack C-1 of the lower second telescopic frame C.

[0134] Figure 8 This diagram illustrates the meshing relationship between the rotating gear L and the first rack B-1 and the second rack C-1. The arrows indicate examples of the movement direction of the relevant components, which is the result of pushing the switch frame K to the left. A partial enlarged view shows details of the meshing relationship between the rotating gear L and the first rack B-1 and the second rack C-1.

[0135] Figure 9 A schematic diagram of the front upper crossbeam clamping device of this utility model is shown. The rotating arrow indicates the action of rotating the switch frame K to lock the first telescopic frame B.

[0136] like Figure 9As shown, all components, including the telescopic support frame A, the first telescopic frame B, the second telescopic frame C, the fixed frame D, the support frame E, the rotating frame J, and the switch frame K, have been assembled into the front upper crossbeam clamp device 100.

[0137] Figure 10 The diagram shows a cross-sectional view of the switchgear K installed to the first telescopic frame B.

[0138] like Figure 10 As shown, the lower end of the switch frame K has a threaded section K-1, and the upper surface of the first telescopic frame B has a threaded hole B-5 that mates with the threaded section. The lower end of the switch frame K passes through the sliding groove A-2 of the telescopic support frame A, and the switch frame K is connected to the first telescopic frame B through the engagement of the threaded section K-1 and the threaded hole B-5.

[0139] By rotating the switch frame K in the forward direction to rotate the threaded section by a predetermined angle, the first telescopic frame B can be tensioned relative to the telescopic support frame A, thereby restricting the sliding of the first telescopic frame B. This prevents the first telescopic frame B, the second telescopic frame C, and the rotating gear L from moving together, and the first telescopic frame B and the second telescopic frame C will be fixed relative to the telescopic support frame A.

[0140] By rotating the switch frame K in the opposite direction, the threaded section is rotated by a predetermined angle, thus releasing the restriction on the sliding of the first telescopic frame B. At this time, by pushing the switch frame K along the telescopic support frame A, the first telescopic frame B and the second telescopic frame C will extend or retract relative to the telescopic support frame A through the meshing of the first telescopic frame B, the second telescopic frame C, and the rotating gear L.

[0141] In other words, the cooperative structure of the switch frame K, the first telescopic frame B, and the telescopic support frame A ensures that: when the switch frame K drives the threaded section K-1 to rotate forward by a predetermined angle, the first telescopic frame B is tensioned relative to the telescopic support frame A, thereby restricting the sliding of the first telescopic frame B and preventing movement between the first telescopic frame B, the second telescopic frame C, and the rotating gear L; when the switch frame K drives the threaded section K-1 to rotate in the opposite direction by a predetermined angle, the first telescopic frame B is released from tension relative to the telescopic support frame A, allowing relative movement between the first telescopic frame B, the second telescopic frame C, and the rotating gear L.

[0142] Figure 11 A schematic diagram of the mounting bracket D is shown. (For example...) Figure 11As shown, the outline of the fixed frame D is roughly an isosceles triangle, consisting of a base plate, uprights extending upwards from the base plate, and reinforcing ribs located on both sides of the uprights and connecting to the base plate. The base plate has mounting holes, such as two mounting holes D-2, for securely mounting the fixed frame D to the telescopic support frame A (by adjusting mounting holes A-4). The uprights have vertically extending upright channels D-1 for inserting and sliding the support frame E. The sides of the uprights have bracket adjustment holes D-3 that penetrate into the upright channels D-1, for fixing the position of the support frame E.

[0143] Figure 12 A schematic diagram of support frame E is shown.

[0144] like Figure 12 As shown, the support frame E is roughly in the shape of a three-pronged fork, including a main support column E-1 located in the middle, and two secondary supports E-2 extending upwards from both sides of the main support column E-1. The main support column E-1 and the two secondary supports E-2 are not in the same plane; the tops of the main support column E-1 and the two secondary supports E-2 are at the same height and are in the same horizontal plane. The tops of the main support column E-1 and the secondary supports E-2 are roughly spherical or pointed to reduce the contact area with the supported components.

[0145] The lower part of the main support column E-1 has multiple bracket fixing holes E-4 arranged vertically. The main support column E-1 is used to insert into the column cavity D-1 and can slide up and down. The height of the fixed support frame E can be adjusted by selectively passing bolts through the bracket fixing holes E-4 and the bracket adjustment holes D-3.

[0146] A holding structure E-3 may be provided on one side of the main support E-1 to hold the rotating frame J in a non-operating state by engaging the rotating frame rod J-1. Of course, the holding structure E-3 is not mandatory.

[0147] The main support column E-1 has a support cavity E-6 that extends vertically and horizontally, and a support groove E-7 that runs horizontally through.

[0148] Figure 13 A schematic diagram of the track frame F is shown. (As shown) Figure 13 As shown, the track frame F is a strip-shaped component that is movably installed in the support cavity E-6 of the support frame E. The track frame F has a track rack F-1 on the left and right sides, and a guide rail structure F-2 on the front and rear sides.

[0149] Figure 14 A three-dimensional schematic diagram of the assembly structure of the rotating support frame G, support frame E, and track frame F is shown.

[0150] like Figure 14As shown, the rotating support frame G includes a rotating support rod G-1 and a rotating support gear G-2 located at the end of the rotating support rod G-1. The rotating support gear G-2 is rotatably mounted on the support frame E.

[0151] For example, the upper part of the main support E-1 may have multiple rotating bracket mounting holes E-5 arranged vertically in two rows on the left and right sides for mounting two rotating support brackets G and allowing for adjustment of the mounting position. The rotating support gear G-2 has a central hole through which the first bolt H-1 passes, passing through both the central hole and the rotating bracket mounting hole E-5, thereby rotatably fixing the rotating support gear G-2 to the support bracket E. Depending on the vehicle model, the rotating support gear G-2 can be mounted using different rotating bracket mounting holes E-5, thus expanding the applicability of the entire front upper crossbeam clamping device. The rotating support gear G-2 meshes with the rail frame rack F-1, and the rotating support rod G-1 can rotate out of the bracket slot E-7.

[0152] Figure 15A A schematic diagram of the installation of the rotating frame J and the track frame F in the support frame E is shown. Figure 15B , Figure 15C and Figure 15D They are respectively Figure 15A The cross-sectional diagrams obtained by cutting along sections aa, bb, and cc.

[0153] like Figure 15A , Figure 15B , Figure 15C and Figure 15D As shown, the rotating frame J includes a rotating frame rod J-1 and a rotating frame gear J-2 located at the end of the rotating frame rod. The rotating frame gear J-2 has a central hole through which a second bolt H-2 passes, thereby rotatably fixing the rotating frame gear J-2 to the support frame E. The rotating frame gear J-2 meshes with the rail rack F-1. The guide rail structure F-2 of the rail frame F slides into a guide rail groove on the inner surface of the support cavity E-6.

[0154] Operation process:

[0155] The following describes the process of mounting the front upper crossbeam 200 onto the front subframe 300 of the body-in-white using the front upper crossbeam clamp device 100 of this utility model.

[0156] Step 1: Install the front upper crossbeam clamp device 100 onto the front subframe 300 of the body-in-white. Figure 16 , Figure 17A , Figure 17B The process for this step is shown.

[0157] In this step, the operator holds the front upper crossbeam clamp device 100 and pushes the switch frame K to the left, causing the first telescopic frame B and the second telescopic frame C to extend from both ends of the telescopic support frame A. The first guide post B-4 is inserted into the corresponding guide hole of the front subframe 300, thereby guiding the insertion of the first guide post B-4. The first insertion section B-2 is inserted into the corresponding mounting slot of the front subframe 300, and the first limiting part B-3 abuts against the surface of the front subframe 300, thereby limiting the position of the first telescopic frame B in three dimensions. At the same time, the second guide post C-4 is inserted into the corresponding guide hole of the front subframe 300, thereby guiding the insertion of the second guide post C-4. The second insertion section C-2 is inserted into the corresponding mounting slot of the front subframe 300, and the second limiting part C-3 abuts against the surface of the front subframe 300, thereby limiting the position of the second telescopic frame C in three dimensions.

[0158] Figure 16 The arrow in the enlarged view shows the direction to push the switchgear K to the left.

[0159] Figure 17A The arrows indicate the directions in which the first telescopic frame B and the second telescopic frame C extend from both ends of the telescopic support frame A. Figure 17B for Figure 17A Another magnified view of the sz section shows the engagement of the first insertion section B-2, the first limiting part B-3, and the first guide post B-4 of the first telescopic frame B with the front subframe 300.

[0160] Figure 17A , Figure 17B The details of the cooperation between the second telescopic frame C and the front subframe 300 are not shown, but the cooperation structure between the second insertion section C-2, the second limiting part C-3, the second guide post C-4 of the second telescopic frame C and the front subframe 300 is the same as the cooperation structure between the first telescopic frame B and the front subframe 300, only in the opposite direction.

[0161] The ends of the first limiting part B-3 and the second limiting part C-3 can be spherical to reduce the contact area with the surface of the front subframe 300, which is beneficial to the electrophoretic coating effect of the front subframe 300.

[0162] Step 2: Rotate the switch frame K forward to lock the first telescopic frame B and the second telescopic frame C relative to the telescopic support frame A.

[0163] Figure 9 The arrow indicates the forward rotation of the switchgear K. Figure 10 The assembly relationship of the switch frame K, the telescopic support frame A, and the first telescopic frame B is shown. Figure 10As shown, the forward rotation of the switch frame K drives the threaded section K-1 at its lower end to rotate forward. Through the meshing relationship between the threaded section K-1 and the threaded hole B-5, the switch frame K tensions the first telescopic frame B and the telescopic support frame A, thereby locking the first telescopic frame B relative to the telescopic support frame A. At this time, due to the meshing relationship between the rotating gear L and the first rack B-1 and the second rack C-1, the second telescopic frame C is also locked and cannot move.

[0164] Step 3: Insert the front upper crossbeam 200 into the front upper crossbeam clamping device 100 of this utility model.

[0165] Figure 18 The process of inserting the front upper crossbeam 200 into the front upper crossbeam clamping device 100 of this utility model is shown. Figure 18 The arrow indicates the direction of installation and movement of the front upper crossbeam 200. After being moved into place, the main support column E-1 and the two secondary supports E-2 of the support frame E will form a triangular three-point support structure with the inner surface of the front upper crossbeam 200, thereby achieving stable support.

[0166] The main support E-1 and the two secondary supports E-2 have spherical or pointed structures to reduce the contact area with the front upper crossbeam 200, thereby contributing to the electrophoresis effect.

[0167] Step 4: Adjust the angle of the rotating support frame G so that the rotating support frame G contacts the bottom surface of the cavity of the front upper crossbeam 200 and forms a support.

[0168] Figure 19A The initial position of the rotating support frame G is shown. Figure 19B Showing Figure 19A The positional relationship between the rotating support frame G and the rotating frame J relative to the support frame E, wherein... Figure 19B The dashed lines provide a perspective view of the internal structure.

[0169] Figure 20A A schematic diagram is shown of the rotating support frame G unfolding into the cavity of the upper crossbeam 200 supporting the bottom surface. Figure 20B Showing Figure 20A The motion relationship of each component during the unfolding action of the rotating support frame.

[0170] like Figure 20A , Figure 20B As shown by the arrow, by rotating the rotating frame J downward, the rotating frame gear J-2 drives the rail frame rack F-1, which in turn drives the rail frame F to move upward. The rail frame rack F-1 drives the rotating support gear G-2 to rotate downward until it contacts and supports the bottom surface of the cavity inside the front upper crossbeam 200.

[0171] Through the above steps, the front upper crossbeam clamping device 100 of this utility model is finally installed on the front subframe 300 of the body-in-white, and the front upper crossbeam 200 is installed on the front upper crossbeam clamping device 100. Then, electrophoretic painting can be performed on the front subframe 300 and the front upper crossbeam 200.

[0172] It should be noted that the front upper crossbeam clamp device 100 is made of special materials, such as aluminum profiles, so that the coating process will not allow the paint to adhere to the front upper crossbeam clamp device 100.

[0173] After the electrophoretic coating operation is completed, first remove the front upper crossbeam 200 from the front upper crossbeam clamping device 100, and then remove the front upper crossbeam clamping device 100 from the front subframe 300 of the body-in-white. Then, install the front upper crossbeam 200 onto the front subframe 300 of the body-in-white, for example, by bolting.

[0174] Variation example:

[0175] On some painting production lines, a temporary hood support 400, which has a support rod 500, is used as a tooling fixture. The temporary hood support 400 is installed across the front subframe 300 of the body-in-white in a lateral direction, supporting and securing the hood (not shown) via the support rod 500, thereby ensuring that the hood also receives good electrophoretic coating. Figure 21 As shown.

[0176] Figure 22 This illustration shows a modified example of the front upper crossbeam clamping device of the present invention. Similar to the front upper crossbeam clamping device 100 in the foregoing embodiment, this modified example of the front upper crossbeam clamping device 100' includes a fixed frame D, a support frame E, a track frame F, a rotating frame J, a rotating support frame G, a switch frame K, and a rotating gear L. The assembly relationship and function of these components are the same as those in the front upper crossbeam clamping device 100.

[0177] Compared to the front upper crossbeam clamp device 100 in the aforementioned embodiments, the front upper crossbeam clamp device 100' of this utility model does not include the telescopic support frame A, the first telescopic frame B, and the second telescopic frame C.

[0178] exist Figure 22 In the example shown, compared to the front upper crossbeam clamp device 100 of the aforementioned embodiment, the direction of the fixing bracket D is rotated by 90 degrees, which is consistent with the direction of the temporary hood bracket 400, so as to facilitate installation on the temporary hood bracket 400. Of course, Figure 22 The above-mentioned orientation of the central fixed bracket D is merely an example, as long as it can match the corresponding mounting structure on the temporary engine hood bracket 400.

[0179] Obviously, any suitable detachable mounting method is permitted between the mounting bracket D and the temporary hood bracket 400, such as bolted connection. Similar to the front upper crossbeam clamp device 100 in the aforementioned embodiment, the bottom of the mounting bracket D may have multiple mounting holes, and the temporary hood bracket 400 may have corresponding adjustment mounting structures (e.g., multiple adjustment mounting holes) to adjust the mounting position of the mounting bracket D.

[0180] For the aforementioned painting production line with the temporary engine hood bracket 400 serving as tooling, this utility model provides a modified example of a clamping device, namely a front upper crossbeam clamping device 100'. The front upper crossbeam clamping device 100' can be directly mounted on the temporary engine hood bracket 400. Figure 23 A schematic diagram shows the front upper crossbeam clamp device 100' mounted on the temporary engine hood bracket 400.

[0181] Similar to the aforementioned embodiment, the front upper crossbeam 200 will be mounted on the top of the main support E-1 and two secondary supports E-2 of the support frame E of the front upper crossbeam clamping device 100'. Then, the electrophoretic coating step will proceed.

[0182] After the electrophoretic coating operation is completed, first remove the front upper crossbeam 200 from the front upper crossbeam clamping device 100', and then remove the front upper crossbeam clamping device 100' from the front subframe 300 of the body-in-white. Then, install the front upper crossbeam 200 onto the front subframe 300 of the body-in-white, for example, by bolting.

[0183] The above description illustrates that, due to the use of the fixture device of this utility model, electrophoretic coating of the front upper crossbeam 200 and the front subframe 300 can be completed in the same process, while ensuring that the surface of the front upper crossbeam 200 can have maximum contact with the electrolyte, thereby ensuring the quality of the electrophoretic coating. Moreover, the fixture device of this utility model has a wide range of applications for different vehicle models and has good versatility.

[0184] For ease of interpretation and precise definition of the appended claims, the terms “upper,” “lower,” “inner,” and “outer” are used to describe features of exemplary embodiments with reference to the positions of these features shown in the figures.

[0185] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to be exhaustive or to limit the invention to the precise forms disclosed, and it will be apparent that many changes and variations can be made in accordance with the foregoing teachings. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application, thereby enabling others skilled in the art to implement and utilize various different exemplary embodiments of the invention, as well as various different choices and variations. The scope of the invention is intended to be defined by the appended claims and their equivalents.

Claims

1. A front upper crossbeam clamping device for detachably fixing a front upper crossbeam (200) to a front subframe (300), characterized in that, include: A fixed frame (D) has a fixed frame base plate and a column extending upward from the fixed frame base plate. The fixed frame base plate has a fixed frame mounting hole (D-2). The column has a column cavity extending vertically inside the column. The side of the column has a plurality of bracket adjustment holes (D-3) that penetrate into the column cavity (D-1). The support frame (E) includes a centrally located, vertically extending main support column (E-1) and two secondary support columns (E-2) branching upwards from both sides of the main support column (E-1). The top ends of the main support column (E-1) and the two secondary support columns (E-2) are at the same height. The lower part of the main support column (E-1) has multiple vertically arranged bracket fixing holes (E-4). The lower part of the main support column (E-1) is inserted into the column cavity (D-1). The bracket fixing holes (E-4) and bracket adjusting holes (D-3) are selectively connected by bolts. The main support column (E-1) also has a vertically extending bracket cavity (E-6) and a bracket groove (E-7) that runs through the bracket cavity (E-6) from left to right. The track frame (F) has vertically extending track frame racks (F-1) on its left and right sides, and its front and rear sides are respectively in sliding engagement with the support cavity (E-6). A rotating support frame (G) includes a rotating support rod (G-1) and a rotating support gear (G-2) located at the end of the rotating support rod (G-1). The rotating support gear (G-2) is rotatably mounted on the support frame (E) so that the rotating support gear (G-2) meshes with the rail frame rack (F-1). A rotating frame (J) having a rotating frame rod (J-1) and a rotating frame gear (J-2) located at the end of the rotating frame rod, the rotating frame gear (J-2) being rotatably mounted on a support frame (E) such that the rotating frame gear (J-2) meshes with the rail rack (F-1); The rotating frame (J) meshes with the rail rack (F-1), and the rotation of the rotating frame (J) drives the rail rack (F) to rise and fall. Thus, the rotating support frame (G) is driven to rotate and unfold through the support groove (E-7) by the meshing of the rotating support gear (G-2) with the rail rack (F-1).

2. The front upper crossbeam clamping device according to claim 1, characterized in that, The upper part of the main support (E-1) has multiple rotating bracket mounting holes (E-5) arranged vertically in two rows on the left and right. The rotating support gear (G-2) has a central hole. By selectively passing a bolt through the central hole and the rotating bracket mounting holes (E-5), the rotating support gear (G-2) can be rotatably mounted on the support frame (E).

3. The front upper crossbeam clamping device according to claim 1, characterized in that, The front and rear surfaces of the track frame (F) have vertically extending guide rail structures (F-2), which slide in conjunction with guide rail grooves on the inner surface of the support cavity (E-6).

4. The front upper crossbeam clamping device according to claim 1, characterized in that, The tops of the main support (E-1) and the secondary support (E-2) are generally spherical or pointed.

5. The front upper crossbeam clamping device according to claim 1, characterized in that, The main support (E-1) has a retaining structure (E-3) on one side surface, which can engage the rotating frame rod (J-1).

6. The front upper crossbeam clamping device according to claim 1, characterized in that, The front subframe (300) is equipped with a temporary engine hood bracket (400) at the front. The temporary engine hood bracket (400) has a support rod (500) for supporting the engine hood. The temporary engine hood bracket (400) has an adjustable mounting structure. The mounting hole (D-2) of the fixed frame and the adjustable mounting structure are connected by bolts. The front upper crossbeam clamp device is installed on the temporary engine hood bracket (400).

7. The front upper crossbeam clamping device according to claim 1, characterized in that, Also includes: A telescopic support frame (A) has a track cavity (A-1) extending through the entire length direction, a sliding groove (A-2) extending through the track cavity on its upper surface, a gear mounting hole (A-5) on its middle side, and a mounting frame (A-3) in the middle of its upper surface. The mounting frame (A-3) has multiple adjusting mounting holes (A-4), and the adjusting mounting holes (A-4) and the fixed frame mounting holes (D-2) are selectively connected by bolts. A first telescopic frame (B) is slidably mounted in the track cavity (A-1) and can extend from the left side. Its lower surface has a first rack (B-1), and its left end has a first mounting structure that can be positioned relative to the front subframe (300) in a three-dimensional direction. The upper surface of the first telescopic frame (B) has a threaded hole (B-5). The second telescopic frame (C), which is slidably mounted in the track cavity (A-1) and can extend from the right side, has a second rack (C-1) on its lower surface and a second mounting structure at its right end that is capable of being positioned relative to the front subframe (300) in three-dimensional directions; A switch frame (K) has its lower end passing through the sliding groove (A-2). The lower end of the switch frame (K) has a threaded section (K-1) that engages with the threaded hole (B-5), allowing the switch frame (K) to drive the first telescopic frame (B) to slide and extend relative to the telescopic support frame (A). A rotating gear (L) is rotatably mounted into the telescopic support frame (A) through the gear mounting hole (A-5) and meshes with the upper first rack (B-1) and the lower second rack (C-1) respectively. The cooperative structure of the switch frame (K), the first telescopic frame (B), and the telescopic support frame (A) is such that: when the switch frame (K) drives the threaded section (K-1) to rotate forward by a predetermined angle, the first telescopic frame (B) is tensioned relative to the telescopic support frame (A), preventing the first telescopic frame (B) from sliding or extending, thereby preventing movement between the first telescopic frame (B), the second telescopic frame (C), and the rotating gear (L); when the switch frame (K) drives the threaded section (K-1) to rotate in the opposite direction by a predetermined angle, the first telescopic frame (B) is released from tension relative to the telescopic support frame (A), allowing relative movement between the first telescopic frame (B), the second telescopic frame (C), and the rotating gear (L).

8. The front upper crossbeam clamping device according to claim 7, characterized in that, The left end of the first telescopic frame (B) has a first insertion section (B-2) for insertion into a corresponding mounting slot of the front subframe (300). The upper surface of the first telescopic frame (B) has a first guide post (B-4) that extends to the left beyond the end of the first insertion section (B-2). The first guide post (B-4) is for insertion into a corresponding guide hole of the front subframe (300). A first limiting part (B-3) that extends to the left is formed from the first insertion section (B-2). The first limiting part (B-3) is for abutting against the surface of the front subframe (300). The right end of the second telescopic frame (C) has a second insertion section (C-2) for insertion into a corresponding mounting slot of the front subframe (300). The upper surface of the second insertion section (C-2) has a second guide post (C-4) that extends to the right beyond the end of the second insertion section (C-2). The second guide post (C-4) is for insertion into a corresponding guide hole of the front subframe (300). A second limiting part (C-3) that extends to the right is formed from the second insertion section (C-2). The second limiting part (C-3) is for abutting against the surface of the front subframe (300).

9. The front upper crossbeam clamping device according to claim 8, characterized in that, The ends of the first limiting part (B-3) and the second limiting part (C-3) have a spherical shape.

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