CN112797866A - Utensil is examined to model car tubular beams - Google Patents

Utensil is examined to model car tubular beams Download PDF

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Publication number
CN112797866A
CN112797866A CN202110374760.9A CN202110374760A CN112797866A CN 112797866 A CN112797866 A CN 112797866A CN 202110374760 A CN202110374760 A CN 202110374760A CN 112797866 A CN112797866 A CN 112797866A
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CN
China
Prior art keywords
plate
screw
pushing
sliding
detection
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Granted
Application number
CN202110374760.9A
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Chinese (zh)
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CN112797866B (en
Inventor
付润泽
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Feigeruite Suzhou Automobile Technology Co ltd
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Feigeruite Suzhou Automobile Technology Co ltd
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Priority to CN202110374760.9A priority Critical patent/CN112797866B/en
Publication of CN112797866A publication Critical patent/CN112797866A/en
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Publication of CN112797866B publication Critical patent/CN112797866B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/0025Measuring of vehicle parts

Abstract

The invention relates to the technical field of mechanical equipment, in particular to a sample car pipe beam checking fixture which comprises a base plate, wherein two groups of main positioning pin bases are oppositely arranged on the base plate, positioning grooves corresponding to the shapes of pipe beam end face flange plates are respectively arranged on each group of main positioning pin bases, positioning pin holes are uniformly communicated on each group of main positioning pin bases, and two or more groups of detection pin bases are respectively arranged on each group of main positioning pin bases; through the quick location to the tubular beam, conveniently make the position of placing and the direction of tubular beam keep unanimous, improve the precision that the tubular beam uniformity detected, effectively simplify the detection mode of tubular beam, reduce and detect the degree of difficulty, realize the short-term test to the tubular beam, shorten the follow-up welding debugging time of tubular beam simultaneously, improve the efficiency of welding and detection, improve and detect the precision.

Description

Utensil is examined to model car tubular beams
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a sample car tubular beam testing fixture.
Background
As is well known, the sample car tubular beam is an assembly part which is slightly complex in structure in a white car body and poor in positioning detection, the detection effect can be different due to different placement positions of the assembly part, and finally the part is debugged for a long time in subsequent welding, so that the welding and detection efficiency is reduced, and the detection precision is influenced.
Disclosure of Invention
In order to solve the technical problem, the invention provides a sample vehicle pipe beam testing fixture.
In order to achieve the purpose, the invention adopts the technical scheme that:
utensil is examined to model car tubular beams includes:
the pipe beam end face detection device comprises a base plate, wherein two groups of main positioning pin seats are oppositely arranged on the base plate, positioning grooves corresponding to the shapes of flange plates on the end face of a pipe beam are formed in each group of main positioning pin seats, positioning pin holes are uniformly communicated with each group of main positioning pin seats, and two or more groups of detection pin seats are arranged on each group of main positioning pin seats;
the substrate is provided with a first pushing mechanism, the first pushing mechanism is provided with a plurality of groups of turnover mechanisms and a plurality of groups of sliding mechanisms, each group of turnover mechanisms and each group of sliding mechanisms are provided with detection blocks, and each group of detection blocks is provided with detection pin holes;
two groups of pushing mechanisms are arranged on the outer sides of the two groups of main positioning pin seats and are used for pushing and fixing two ends of the tubular beam;
the first pushing mechanism is used for driving the turnover mechanism and the sliding mechanism on the first pushing mechanism to move, the turnover mechanism is used for driving the detection block on the turnover mechanism to turn over, and the sliding mechanism is used for driving the detection block on the sliding mechanism to translate along a linear direction.
Further, the pushing mechanism comprises a first right-angle frame fixed on the substrate, a second pushing mechanism is arranged on the first right-angle frame, a first screw rod is arranged on the second pushing mechanism, a sealing disc is arranged at the other end of the first screw rod, a pushing ring is sleeved on the outer side of the first screw rod, one side end face of the pushing ring is in contact with the sealing disc, a plurality of first plate springs are annularly distributed on the other side end face of the pushing ring, and the other end of each first plate spring is fixed on the first screw rod;
a plurality of top push plates are annularly distributed on the outer side of the sealing disc and spliced into a conical shape, each top push plate is rotatably installed on the top compression ring, a rubber block is arranged on the outer wall of each top push plate close to the conical tip end, a first push-pull rod is rotatably arranged on the inner wall of each top push plate, and the other end of each first push-pull rod is rotatably installed on the sealing disc;
four guide rods are evenly arranged on the top pressing ring, and each guide rod penetrates through the first right-angle frame and is in sliding connection with the first right-angle frame.
Furthermore, a guide groove is formed in the outer wall of the first screw, and the guide groove is arranged along the axial direction of the first screw;
the second pushing mechanism comprises a threaded cylinder which is sleeved outside the first screw rod in a threaded manner, the threaded cylinder is rotatably mounted on a first right-angle bracket, an outer gear ring is sleeved on the outer wall of the threaded cylinder, a gear is meshed with the outer side of the outer gear ring, a first motor is arranged on the first right-angle bracket, and the output end of the first motor is in transmission connection with the gear;
be provided with the guide ring between a screw thread section of thick bamboo and the first leaf spring, the guide ring cover is established in the outside of first screw rod, is provided with the direction arris on the inner wall of guide ring, and the direction arris slides and is located the guide way, be provided with two sets of second right angle framves on the outer wall of guide ring and fix on first right angle frame through second right angle frame.
Furthermore, a plurality of strip-shaped through holes are formed in the substrate, a sliding groove is formed in the inner side wall of each strip-shaped through hole, a square sliding rod is arranged in each strip-shaped through hole in a sliding mode, a guide block is arranged on the side wall of each square sliding rod and is located in the sliding groove in a sliding mode, the front end and the rear end of each square sliding rod extend out of the substrate, the turnover mechanism is fixed to the front end of each square sliding rod, and the sliding mechanism is fixed to the front end of the other square sliding rod;
the first pushing mechanism comprises springs arranged at the rear ends of the square sliding rods, a second push-pull rod is arranged at the other end of each spring, a translation plate is transversely arranged at the rear side of the substrate, and the other end of each second push-pull rod is rotatably arranged on the translation plate;
the rear side of base plate is provided with pushes down the mechanism, it is used for providing pressure to the translation board to push down the mechanism.
Furthermore, the pressing mechanism comprises two lead screws vertically positioned at the rear side of the base plate, two ends of each lead screw are rotatably provided with a fixing plate, the fixing plates are fixed on the base plate, the upper side and the lower side of each lead screw are respectively provided with a screw sleeve in a screw sleeved mode, each screw sleeve is rotatably provided with a third push-pull rod, the other end of each third push-pull rod is rotatably installed on the translation plate, meanwhile, each lead screw is provided with a second motor in a transmission mode, and the second motors are fixed on the base plate;
wherein, the upper side thread turning direction and the lower side thread turning direction of the outer wall of each screw rod are opposite.
Further, glide machanism is including removing the seat, it fixes at square slide bar front end to remove the seat, it is provided with square uide bushing to remove on the seat, and the slip cover is equipped with square glide rod in the square uide bushing, the one end that is close to the tubular beams on square glide rod is fixed to the detection piece, and the other end of square glide rod is provided with the second leaf spring, and the other end of second leaf spring is fixed on square uide bushing.
Further, the turnover mechanism comprises a movable plate, the movable plate is fixed at the front end of the square sliding rod, a second screw rod is rotatably arranged on the movable plate, a rotary disc is arranged at the other end of the second screw rod, an adjusting plate is arranged on the second screw rod in a threaded mode, a turnover plate is slidably arranged at the outer end of the adjusting plate, the turnover plate is kept in an inclined state, one end, close to the base plate, of the turnover plate is rotatably arranged on the second screw rod, and the detection block is arranged at the other end of the turnover plate.
Furthermore, a nest separating box is arranged on the substrate.
Compared with the prior art, the invention has the beneficial effects that: the sample car pipe beam is placed on a base plate, flange plates on two end faces of the pipe beam are inserted into positioning grooves on two groups of main positioning pin seats, positioning treatment is carried out on the end face of the pipe beam through positioning pins and positioning pin holes on the main positioning pin seats, so that the quick positioning of the pipe beam is realized, the placing position and the direction of the pipe beam are kept consistent conveniently, the precision of pipe beam consistency detection is improved, a turnover mechanism and a sliding mechanism are pushed to move from an idle position to a working position through a first pushing mechanism, a detection block on the turnover mechanism is driven to turn over through the turnover mechanism, so that the angle of the group of detection blocks is adjusted, the fixing surface and the fixing hole on the pipe beam are detected through detection pin holes on the detection pins and the detection block, the detection block on the sliding mechanism is driven to move, so that the relative position of the detection block and the pipe beam along a specified direction is adjusted, and the fixing surface and the fixing hole on the pipe beam are detected through the detection, the fixing surface and the fixing hole close to the main positioning pin seat on the tubular beam can be detected through the detection pin seat and the detection pin, so that the detection work of the tubular beam is realized, the detection mode of the tubular beam is effectively simplified, the detection difficulty is reduced, the positions of the tubular beam are kept consistent conveniently, the rapid detection of the tubular beam is realized, meanwhile, the follow-up welding debugging time of the tubular beam is shortened, the welding and detection efficiency is improved, and the detection precision is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic bottom view of the present invention;
FIG. 4 is a schematic bottom view of the substrate of FIG. 1 in a middle section;
FIG. 5 is an enlarged view of a portion A of FIG. 2;
FIG. 6 is an enlarged view of a portion B of FIG. 2;
FIG. 7 is an enlarged view of a portion of the structure of FIG. 2 at C;
FIG. 8 is an enlarged view of a portion of FIG. 3 at D;
FIG. 9 is an enlarged view of a portion E of FIG. 4;
in the drawings, the reference numbers: 1. a substrate; 2. a primary locating pin boss; 3. detecting a pin seat; 4. a detection block; 5. a first right-angle stand; 6. a first screw; 7. sealing the disc; 8. jacking and pressing the ring; 9. a first plate spring; 10. pushing the plate; 11. a first push-pull rod; 12. a guide bar; 13. a threaded barrel; 14. an outer ring gear; 15. a gear; 16. a first motor; 17. a guide ring; 18. a second right-angle stand; 19. a square slide bar; 20. a guide block; 21. a spring; 22. a second push-pull rod; 23. a translation plate; 24. a lead screw; 25. a fixing plate; 26. a threaded sleeve; 27. a third push-pull rod; 28. a second motor; 29. a movable seat; 30. a square guide sleeve; 31. a square slide bar; 32. a second plate spring; 33. moving the plate; 34. a second screw; 35. an adjustment plate; 36. a turnover plate; 37. placing the nest separating box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. This embodiment is written in a progressive manner.
As shown in fig. 1 to 9, the sampling tubular beam testing fixture of the present invention includes:
the pipe beam end face detection device comprises a base plate 1, wherein two groups of main positioning pin bases 2 are oppositely arranged on the base plate 1, positioning grooves corresponding to the shapes of flange plates on the end face of a pipe beam are formed in each group of main positioning pin bases 2, positioning pin holes are uniformly communicated and arranged in each group of main positioning pin bases 2, and two or more groups of detection pin bases 3 are arranged on each group of main positioning pin bases 2;
the substrate 1 is provided with a first pushing mechanism, the first pushing mechanism is provided with a plurality of groups of turnover mechanisms and a plurality of groups of sliding mechanisms, each group of turnover mechanisms and each group of sliding mechanisms are provided with detection blocks 4, and each group of detection blocks 4 is provided with detection pin holes;
two groups of pushing mechanisms are arranged on the outer sides of the two groups of main positioning pin seats 2 and are used for pushing and fixing two ends of the tubular beam;
the first pushing mechanism is used for driving the turnover mechanism and the sliding mechanism on the first pushing mechanism to move, the turnover mechanism is used for driving the detection block 4 on the turnover mechanism to turn over, and the sliding mechanism is used for driving the detection block 4 on the sliding mechanism to translate along a linear direction.
In the embodiment, a sample vehicle pipe beam is placed on a substrate 1, flange plates on two end faces of the pipe beam are inserted into positioning grooves on two groups of main positioning pin seats 2, positioning treatment is carried out on the end face of the pipe beam through positioning pins and positioning pin holes on the main positioning pin seats 2, so that the quick positioning of the pipe beam is realized, the placing position and the direction of the pipe beam are kept consistent, the accuracy of pipe beam consistency detection is improved, a first pushing mechanism pushes a turnover mechanism and a sliding mechanism to move from an idle position to a working position, a detection block 4 on the turnover mechanism is driven to turn over through the turnover mechanism, so that the angle of the group of detection blocks 4 is adjusted, the fixed surface and the fixed hole on the pipe beam are detected through the detection pins and the detection pin holes on the detection block 4, the detection block 4 on the detection block is driven to move through the sliding mechanism, so that the relative position of the detection block 4 and the pipe beam, fixed surface and fixed orifices on to the tubular beam are detected through detecting the round pin and detecting the round pin hole on the piece 4, can be close the fixed surface and the fixed orifices of main locating pin seat 2 position to the tubular beam through detecting key seat 3 and detecting the round pin simultaneously and detect, thereby realize the detection achievement of tubular beam, effectively simplify the detection mode of tubular beam, reduce and detect the degree of difficulty, conveniently make the tubular beam position keep unanimous, realize the short-term test to the tubular beam, shorten the follow-up welding debug time of tubular beam simultaneously, the efficiency of welding and detection is improved, improve and detect the precision.
In this embodiment, the quantity of tilting mechanism and glide machanism can be adjusted according to actual conditions, and tilting mechanism and glide machanism can detect the region of different positions and different angles on the tubular beam according to its motion mode simultaneously, and tilting mechanism and glide machanism's position and direction can be adjusted according to the tubular beam shape, and detection key seat 3 also can set up on base plate 1 and detect corresponding position on the tubular beam.
As a preferred choice of the above embodiment, the pushing mechanism includes a first right-angle bracket 5 fixed on the substrate 1, a second pushing mechanism is arranged on the first right-angle bracket 5, a first screw 6 is arranged on the second pushing mechanism, a sealing disc 7 is arranged at the other end of the first screw 6, a top pressing ring 8 is sleeved outside the first screw 6, one end face of the top pressing ring 8 contacts with the sealing disc 7, a plurality of first plate springs 9 are annularly distributed on the end face of the other end of the top pressing ring 8, and the other end of each first plate spring 9 is fixed on the first screw 6;
a plurality of top push plates 10 are annularly distributed on the outer side of the sealing disc 7, the top push plates 10 are spliced into a conical shape, each top push plate 10 is rotatably installed on a top pressure ring 8, a rubber block is arranged on the outer wall of each top push plate 10 close to the conical tip, a first push-pull rod 11 is rotatably arranged on the inner wall of each top push plate 10, and the other end of each first push-pull rod 11 is rotatably installed on the sealing disc 7;
four guide rods 12 are evenly arranged on the top compression ring 8, and each guide rod 12 penetrates through the first right-angle frame 5 and is connected with the first right-angle frame in a sliding mode.
In this embodiment, the second pushing mechanism pushes the first screw 6 to move, the first screw 6 drives the top pressing ring 8 and the plurality of top pushing plates 10 to approach the end face of the tubular beam, when the top pressing ring 8 contacts the end face of the tubular beam, the plurality of top pushing plates 10 are inserted into the opening of the tubular beam, the first screw 6 continues to move, the first screw 6 elastically extrudes the top pressing ring 8 through the plurality of first plate springs 9, so that the top pressing ring 8 is tightly attached to the tubular beam, at this time, the first plate springs 9 elastically deform, the top pressing rings 8 on the two sets of top pushing mechanisms push and clamp the two ends of the tubular beam, meanwhile, the first screw 6 which continuously moves pushes the seal disk 7 to move, the seal disk 7 and the top pressing ring 8 move relatively, the seal disk 7 pushes the plurality of top pushing plates 10 to separate from each other through the plurality of first push-pull rods 11, the top pushing plates 10 rotate on the top pressing ring 8, and simultaneously, the plurality of top pushing, the push pedal 10 drives the rubber piece on it and removes and make it paste tightly with the inner wall of tubular beams, and a plurality of push pedals 10 extrude the tubular beams inner wall in step to make a plurality of push pedals 10 expand and extrude fixed processing to the tubular beams, fix the tubular beams through top clamping ring 8 and push pedal 10, take place to rock when can avoiding the tubular beams to detect, and lead to the reduction of detection precision.
In this embodiment, when the pushing mechanism stops fixing the tubular beam, the sealing disc 7 contacts with the top pressing ring 8 again, the sealing disc 7 limits the top pressing ring 8 and the first screw 6, and when the top pressing ring 8 moves, the guide rod 12 can guide and support the top pressing ring 8.
As a preference of the above embodiment, the outer wall of the first screw 6 is provided with a guide groove, and the guide groove is along the axial direction of the first screw 6;
the second pushing mechanism comprises a threaded cylinder 13 which is sleeved outside the first screw rod 6 in a threaded manner, the threaded cylinder 13 is rotatably installed on the first right-angle bracket 5, an outer gear ring 14 is sleeved on the outer wall of the threaded cylinder 13, a gear 15 is meshed with the outer side of the outer gear ring 14, a first motor 16 is arranged on the first right-angle bracket 5, and the output end of the first motor 16 is in transmission connection with the gear 15;
be provided with guide ring 17 between screw thread section of thick bamboo 13 and first leaf spring 9, guide ring 17 cover is established in the outside of first screw rod 6, is provided with the direction arris on guide ring 17's the inner wall, and the direction arris slides and is located the guide way, be provided with two sets of second right angle framves 18 on guide ring 17's the outer wall and fix on first right angle frame 5 through second right angle frame 18.
In this embodiment, the first motor 16 drives the threaded cylinder 13 to rotate through the gear 15 and the outer gear ring 14, and since the threaded cylinder 13 is connected with the first screw 6 in a threaded manner, the threaded cylinder 13 pushes the first screw 6 to move, the first screw 6 slides in the guide ring 17 through the guide groove and the guide edge, and the guide ring 17 and the second right-angle bracket 18 guide the first screw 6.
As a preferred embodiment of the present invention, the substrate 1 is provided with a plurality of strip through holes, the inner side wall of each strip through hole is provided with a sliding slot, each strip through hole is provided with a square slide rod 19 in a sliding manner, the side wall of each square slide rod 19 is provided with a guide block 20, the guide block 20 is located in the sliding slot in a sliding manner, the front end and the rear end of each square slide rod 19 both extend out of the substrate 1, the turnover mechanism is fixed at the front end of each square slide rod 19, and the sliding mechanism is fixed at the front end of the other square slide rod 19;
the first pushing mechanism comprises springs 21 arranged at the rear ends of the square sliding rods 19, a second push-pull rod 22 is arranged at the other end of each spring 21, a translation plate 23 is transversely arranged at the rear side of the substrate 1, and the other end of each second push-pull rod 22 is rotatably arranged on the translation plate 23;
the rear side of the substrate 1 is provided with a pressing mechanism for providing pressure to the translation plate 23.
In this embodiment, the pushing mechanism pushes the translation plate 23 to move backwards, the translation plate 23 is far away from the substrate 1, the translation plate 23 pulls the square slide rods 19 to slide in the strip-shaped through holes through the second push-pull rod 22 and the spring 21, the plurality of square slide rods 19 respectively drive the turnover mechanism and the sliding mechanism thereon to move, the turnover mechanism and the sliding mechanism drive the detection blocks 4 thereon to approach the tube beam and move the detection blocks 4 to the working position, the pushing mechanism drives the translation plate 23 to move forwards and makes the translation plate 23 approach the substrate 1, the turnover mechanism and the sliding mechanism are far away from the tube beam at this time, and the detection blocks 4 thereon move to the idle position, thereby realizing the automatic adjustment of the positions of the turnover mechanism, the sliding mechanism and the detection blocks 4 thereon.
In this embodiment, when the square slide bar 19 moves, the square slide bar 19 drives the guide block 20 thereon to slide in the sliding slot, the guide block 20 can guide the square slide bar 19, so as to conveniently enable the square slide bar 19 to be in a translation state, when the translation plate 23 moves, the translation plate 23 drives the second push-pull rod 22 to incline, the second push-pull rod 22 drives the spring 21 to generate bending deformation, by arranging the spring 21, the pulling force of the second push-pull rod 22 can be conveniently transmitted to the square slide bar 19, so as to drive the square slide bar 19 to move, meanwhile, the working positions of the turnover mechanism and the sliding mechanism can be different, so that the lengths of a plurality of groups of strip through holes are different, and the spring 21 can meet the purpose that the translation plate 23 provides pulling force or pushing force for the square slide bars 19 in different movement ranges;
in this embodiment, the position of the detecting block 4 can be installed according to the actual situation, so that there are various positions and directions of the long through hole, and since the moving direction of the translation plate 23 is the longitudinal direction of the base plate 1, the translation plate 23 can satisfy the purpose of providing push-pull force to the detecting blocks 4 at different positions.
Preferably, the pressing mechanism includes two lead screws 24 vertically located at the rear side of the base plate 1, two ends of each lead screw 24 are rotatably provided with a fixing plate 25, the fixing plates 25 are fixed on the base plate 1, the upper side and the lower side of each lead screw 24 are respectively provided with a threaded sleeve 26 in a threaded manner, each threaded sleeve 26 is rotatably provided with a third push-pull rod 27, the other end of each third push-pull rod 27 is rotatably mounted on the translation plate 23, meanwhile, each lead screw 24 is provided with a second motor 28 in a driving manner, and the second motor 28 is fixed on the base plate 1;
wherein, the upper side thread turning direction and the lower side thread turning direction of the outer wall of each screw rod 24 are opposite.
In this embodiment, two second motors 28 are operated synchronously, the second motors 28 drive the screw rods 24 to rotate, the screw rods 24 drive the two sets of threaded sleeves 26 thereon to approach each other, the two sets of threaded sleeves 26 synchronously push the translation plate 23 to move backwards through the third push-pull rod 27, so that the detection block 4 moves to the working position, the second motors 28 are operated reversely, the two sets of threaded sleeves 26 on the screw rods 24 are away from each other, and the threaded sleeves 26 pull the translation plate 23 to move forwards through the third push-pull rod 27, so that the detection block 4 moves to the idle position.
Preferably, the sliding mechanism comprises a moving seat 29, the moving seat 29 is fixed at the front end of the square sliding rod 19, a square guide sleeve 30 is arranged on the moving seat 29, a square sliding rod 31 is slidably sleeved in the square guide sleeve 30, the detection block 4 is fixed at one end of the square sliding rod 31 close to the tubular beam, a second plate spring 32 is arranged at the other end of the square sliding rod 31, and the other end of the second plate spring 32 is fixed on the square guide sleeve 30.
In this embodiment, when detecting piece 4 on square slide bar 31 moves to operating position, promote square slide bar 31 and slide in square uide bushing 30, square slide bar 31 drives and detects piece 4 along rectilinear movement, thereby realize detecting the translation motion of piece 4, when square slide bar 31 slides, square slide bar 31 drives second leaf spring 32 and produces elastic deformation, when this group detects piece 4 and is idle, second leaf spring 32 promotes square slide bar 31 and resumes to the initial position.
Preferably, the turnover mechanism comprises a moving plate 33, the moving plate 33 is fixed at the front end of the square slide bar 19, a second screw 34 is rotatably arranged on the moving plate 33, a rotary table is arranged at the other end of the second screw 34, an adjusting plate 35 is screwed on the second screw 34, a turnover plate 36 is slidably arranged at the outer end of the adjusting plate 35, the turnover plate 36 keeps an inclined state, one end of the turnover plate 36 close to the base plate 1 is rotatably arranged on the second screw 34, and the detection block 4 is arranged at the other end of the turnover plate 36.
In this embodiment, rotate second screw 34 through the carousel, because adjusting plate 35 is connected with 34 spiral shell dresses of second screw, second screw 34 promotes adjusting plate 35 and reciprocates, and adjusting plate 35 drives returning face plate 36 and carries out the luffing motion to drive detection piece 4 on the returning face plate 36 and carry out the luffing motion, realize driving detection piece 4 upset and carry out angle adjustment's purpose to it.
As a preference of the above embodiment, the base plate 1 is provided with a nest separating box 37.
In this embodiment, the nest separating box 37 is placed for containing and classifying the positioning pins.
The sample car tubular beam inspection device disclosed by the invention is common in mounting mode, connecting mode or arrangement mode, and can be implemented as long as the beneficial effects of the sample car tubular beam inspection device are achieved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a utensil is examined to model car tubular beam which characterized in that includes:
the pipe beam end face detection device comprises a base plate (1), wherein two groups of main positioning pin seats (2) are oppositely arranged on the base plate (1), positioning grooves corresponding to the shapes of flange plates on the end face of a pipe beam are formed in each group of main positioning pin seats (2), positioning pin holes are uniformly communicated in each group of main positioning pin seats (2), and two or more groups of detection pin seats (3) are arranged on each group of main positioning pin seats (2);
the substrate (1) is provided with a first pushing mechanism, the first pushing mechanism is provided with a plurality of groups of turnover mechanisms and a plurality of groups of sliding mechanisms, each group of turnover mechanisms and each group of sliding mechanisms are provided with detection blocks (4), and each group of detection blocks (4) are provided with detection pin holes;
two groups of pushing mechanisms are arranged on the outer sides of the two groups of main positioning pin seats (2), and the pushing mechanisms are used for pushing and fixing two ends of the tubular beam;
the first pushing mechanism is used for driving the turnover mechanism and the sliding mechanism on the first pushing mechanism to move, the turnover mechanism is used for driving the detection block (4) on the turnover mechanism to turn over, and the sliding mechanism is used for driving the detection block (4) on the sliding mechanism to translate along a linear direction.
2. The sample car pipe beam detection tool according to claim 1, wherein the pushing mechanism comprises a first right-angle bracket (5) fixed on the substrate (1), a second pushing mechanism is arranged on the first right-angle bracket (5), a first screw (6) is arranged on the second pushing mechanism, a sealing disc (7) is arranged at the other end of the first screw (6), a top pressing ring (8) is sleeved outside the first screw (6), one side end face of the top pressing ring (8) is in contact with the sealing disc (7), a plurality of first plate springs (9) are annularly distributed on the other side end face of the top pressing ring (8), and the other end of each first plate spring (9) is fixed on the first screw (6);
a plurality of pushing plates (10) are annularly distributed on the outer side of the sealing disc (7), the pushing plates (10) are spliced into a conical shape, each pushing plate (10) is rotatably installed on the pushing ring (8), a rubber block is arranged on the outer wall of each pushing plate (10) close to the conical tip end, a first push-pull rod (11) is rotatably arranged on the inner wall of each pushing plate (10), and the other end of each first push-pull rod (11) is rotatably installed on the sealing disc (7);
four guide rods (12) are uniformly arranged on the top compression ring (8), and each guide rod (12) penetrates through the first right-angle frame (5) and is in sliding connection with the first right-angle frame.
3. A sample vehicle pipe beam testing fixture according to claim 2, wherein the outer wall of the first screw rod (6) is provided with a guide groove along the axial direction of the first screw rod (6);
the second pushing mechanism comprises a threaded cylinder (13) which is sleeved on the outer side of the first screw (6) in a threaded manner, the threaded cylinder (13) is rotatably installed on the first right-angle bracket (5), an outer gear ring (14) is sleeved on the outer wall of the threaded cylinder (13), a gear (15) is meshed with the outer side of the outer gear ring (14), a first motor (16) is arranged on the first right-angle bracket (5), and the output end of the first motor (16) is in transmission connection with the gear (15);
be provided with between a screw thread section of thick bamboo (13) and first leaf spring (9) guide ring (17), the outside at first screw rod (6) is established to guide ring (17) cover, is provided with the direction arris on the inner wall of guide ring (17), and the direction arris slides and is located the guide way, be provided with two sets of second right angle framves (18) on the outer wall of guide ring (17) and fix on first right angle frame (5) through second right angle frame (18).
4. The tube beam testing fixture for the sample car as claimed in claim 3, wherein a plurality of strip through holes are formed in the base plate (1), a sliding groove is formed in the inner side wall of each strip through hole, a square sliding rod (19) is slidably arranged in each strip through hole, a guide block (20) is arranged on the side wall of each square sliding rod (19), the guide blocks (20) are slidably located in the sliding grooves, the front end and the rear end of each square sliding rod (19) extend out of the base plate (1), the turnover mechanism is fixed at the front end of each square sliding rod (19), and the sliding mechanism is fixed at the front end of the other square sliding rod (19);
the first pushing mechanism comprises springs (21) arranged at the rear ends of the square sliding rods (19), a second push-pull rod (22) is arranged at the other end of each spring (21), a translation plate (23) is transversely arranged on the rear side of the substrate (1), and the other end of each second push-pull rod (22) is rotatably arranged on the translation plate (23);
the rear side of the base plate (1) is provided with a pressing mechanism, and the pressing mechanism is used for providing pressure for the translation plate (23).
5. The tube beam testing fixture for the prototype vehicle as claimed in claim 4, wherein the pressing mechanism comprises two lead screws (24) vertically located at the rear side of the base plate (1), two ends of each lead screw (24) are rotatably provided with fixing plates (25), the fixing plates (25) are fixed on the base plate (1), the upper side and the lower side of each lead screw (24) are respectively provided with a threaded sleeve (26) in a threaded manner, each threaded sleeve (26) is rotatably provided with a third push-pull rod (27), the other end of each third push-pull rod (27) is rotatably mounted on the translation plate (23), a second motor (28) is arranged on each lead screw (24) in a transmission manner, and the second motor (28) is fixed on the base plate (1);
wherein, the upper side thread turning direction and the lower side thread turning direction of the outer wall of each lead screw (24) are opposite.
6. A kind of sample car tubular beam examines the utensil according to claim 5, characterized by, the said glide organization includes moving the seat (29), the said moving seat (29) is fixed on the front end of the square slide bar (19), there are square guide sleeves (30) on the said moving seat (29), the sliding sleeve is equipped with the square slide bar (31) in the square guide sleeve (30), the said detection block (4) is fixed on one end close to tubular beam on the square slide bar (31), another end of the square slide bar (31) has second leaf springs (32), another end of the second leaf spring (32) is fixed on the square guide sleeve (30).
7. The tube beam testing fixture for the sample car as claimed in claim 6, wherein the turnover mechanism comprises a moving plate (33), the moving plate (33) is fixed at the front end of the square sliding rod (19), a second screw (34) is rotatably arranged on the moving plate (33), a turntable is arranged at the other end of the second screw (34), an adjusting plate (35) is screwed on the second screw (34), a turnover plate (36) is slidably arranged at the outer end of the adjusting plate (35), the turnover plate (36) keeps an inclined state, one end of the turnover plate (36) close to the base plate (1) is rotatably mounted on the second screw (34), and the detection block (4) is mounted at the other end of the turnover plate (36).
8. A tube beam testing fixture for a sample vehicle as claimed in claim 7, wherein a nest-dividing box (37) is arranged on the base plate (1).
CN202110374760.9A 2021-04-08 2021-04-08 Utensil is examined to model car tubular beams Active CN112797866B (en)

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