Automobile control arm impact test tool

Abstract

The invention relates to the technical field of impact tests, in particular to an automobile control arm impact test tool which comprises a base. The base is provided with an experiment sealing box, and the front side of the experiment sealing box is provided with an observation door and window in a hinged mode. An adjusting frame body mechanism; the adjusting frame body mechanism is arranged on the base; a positioning and clamping mechanism; the number of the positioning and clamping mechanisms is two or more, and the positioning and clamping mechanisms are adjustably installed on the adjusting frame body mechanism. And an automobile control arm body is detachably mounted on the inner side of the positioning clamping mechanism. According to the device, the two positioning screw frame blocks are far away from and separated from each other through the two-way screw rod hand lever, so that the first locking convex surface and the second locking convex surface are separated from the positioning of the second locking positioning groove and the first locking positioning groove, the angle of the bearing positioning plate can be conveniently adjusted along the two-way screw rod hand lever, and the two-way screw rod hand lever can move along the position of the through arc groove. The position of the bearing positioning plate is adjusted on the inner side of the adjusting inner groove, and the installation position of the automobile control arm body can be adjusted at will according to the installation position of the automobile control arm body.

Description

Technical Field

[0001] The invention relates to the technical field of impact testing, and in particular to an impact testing tool for an automobile control arm. Background Art

[0002] With the improvement of people's living standards and the rapid development of the automobile industry, people have higher and higher requirements for various performances of automobiles, especially their safety performance. As an important part of the automobile suspension system, the automobile control arm includes two large and small bushing ends and a ball head end, a total of three connection ends. It is an important link to ensure that the vehicle's four-wheel alignment parameters change within a reasonable range, and has a direct impact on the handling stability and comfort of the whole vehicle. As part of the connection between the wheel and the body, the control arm transmits various forces and moments between the wheel and the body, and withstands the impact of severe driving conditions such as sudden braking and crossing bumps. In order to ensure the safety performance of the car, the impact performance of the control arm connection end must be tested to verify the reliability of the control arm when subjected to impact.

[0003] A Chinese patent discloses a vehicle control arm impact test tool (authorization announcement number CN208297080U). The patent technology discloses a vehicle control arm impact test tool, including: a placement platform, a fixed end connection tool, a ball end connection tool and a sliding end connection tool. The fixed end connection tool and the sliding end connection tool are both fixed on the placement platform. The fixed end connection tool is connected to the large rubber bushing end of the vehicle control arm by bolts, and the sliding end connection tool is connected to the small rubber bushing end of the vehicle control arm by bolts; the upper end of the ball end connection tool is connected to the ball end of the vehicle control arm by bolts, and the lower end is hinged on the placement platform. The utility model has a simple structure, greatly simplifies the clamping process, solves the problems of cumbersome installation and long test time, is easy to disassemble, and achieves the beneficial effect of impact testing at two positions. The patent technology solves the problems of complex tooling structure for vehicle control arm impact testing, difficult clamping process and cumbersome installation, difficulty in simulating the actual impact of the control arm, and can only perform impact tests at one position, and long test time.

[0004] However, in the prior art, the automobile control arms are different in shape and size during impact tests, which may easily lead to different specifications during installation, resulting in the arms being ejected during impact tests. It is necessary to solve the problem of applicability of the automobile control arms during installation in the prior art.

[0005] Therefore, those skilled in the art provide an automobile control arm impact test tool to solve the problems raised in the above background technology. Summary of the invention

[0006] In order to solve the above technical problems, the present invention provides:

[0007] A vehicle control arm impact test tool comprises: a base; an experimental sealing box is installed on the base, and an observation door window is hingedly installed on the front side of the experimental sealing box; an adjusting frame mechanism; the adjusting frame mechanism is installed on the base; a positioning clamping mechanism; the number of the positioning clamping mechanisms is two or more and they are adjustably installed on the adjusting frame mechanism; a vehicle control arm body is detachably installed on the inner side of the positioning clamping mechanism; an impact test mechanism; the impact test mechanism is installed on the adjusting frame mechanism and is used for impact testing the vehicle control arm body.

[0008] Preferably: a controller is installed on the outer wall of the experimental sealed box.

[0009] The controller is electrically connected to and controls the impact test mechanism.

[0010] Preferably, the adjusting frame mechanism comprises a load-bearing positioning frame, a fixed mounting plate is fixedly mounted on the bottom of the load-bearing positioning frame, and the load-bearing positioning frame is detachably mounted on the surface of the base through the fixed mounting plate.

[0011] Preferably: a load-bearing ring frame is installed on the load-bearing positioning frame, an adjusting inner groove is opened in a circular arc shape inside the load-bearing ring frame, a through arc groove is opened in the inner wall of the middle part of the load-bearing ring frame from front to back, and locking positioning grooves are provided on both sides of the inner and outer sides of the adjusting inner groove.

[0012] Preferably: the positioning and clamping mechanism includes a load-bearing positioning plate movably located on the inner side of the adjusting inner groove, an inner adjusting groove body is opened through the middle of the load-bearing positioning plate, a two-way screw hand rod is movably provided on the inner side of the inner adjusting groove body, both ends of the two-way screw hand rod are movably passed through the outside of the through arc groove, both ends of the two-way screw hand rod are externally provided with a positioning screw frame block with a spiral transmission sleeve, the inner side wall of the positioning screw frame block is provided with a locking convex surface 1 and a locking convex surface 2, both sides of the inner adjusting groove body are provided with a locking positioning groove 2, and the locking positioning groove 2 is arranged on the inner wall of the load-bearing positioning plate.

[0013] The bidirectional screw rod hand lever is used to rotate the positioning screw bracket blocks at both ends to engage and drive them away or closer.

[0014] Preferably: a bidirectional screw hand frame is installed at one end of the top of the load-bearing positioning plate, and both ends of the bidirectional screw hand frame are externally provided with a clamping screw frame on the spiral transmission sleeve.

[0015] The bidirectional screw rod hand frame is used for rotating to move the clamping screw frame away from or close to the clamping screw frame, and the clamping screw frame clamps and fixes the vehicle control arm body.

[0016] Preferably: the impact test mechanism includes a fixed adjustment frame, an adjustment shaft is fixedly mounted on the inner wall of the bottom of the fixed adjustment frame, a worm wheel is fixedly mounted on the outer wall of one end of the outer side of the adjustment shaft, the worm wheel is meshed with a worm, and a motor is connected to the bottom of the worm.

[0017] The motor 1 is used for actively driving the worm to rotate.

[0018] Preferably: an impact top frame is fixedly installed on the top of the fixed adjustment frame, an inner shaft rod frame is rotatably installed in the middle of the impact top frame, a gear is fixedly assembled on the outer wall of one end of the inner shaft rod frame, and a rack is meshed at the bottom of the gear.

[0019] The rack is used to mesh with the gear and drive it to rotate.

[0020] Preferably: a screw is spirally driven on the inner wall of the bottom of the rack, one end of the screw is connected to motor 2, a lifting frame is fixed to the outside of motor 2, and a cylinder is installed between the lifting frame and the impact top frame.

[0021] The cylinder is used to adjust the meshing and separation of the rack and the gear.

[0022] Preferably: an impact test hydraulic cylinder is installed at the bottom of the inner shaft frame, and an impact test cutter head is installed at the bottom end of the impact test hydraulic cylinder.

[0023] The impact test hydraulic cylinder is used for a fixed-point impact test on a vehicle control arm body.

[0024] Technical effects and advantages of the present invention:

[0025] The present invention operates to separate the two positioning screw bracket blocks by the two-way screw hand lever, so that the locking convex surface 1 and the locking convex surface 2 are separated from the locking positioning groove 2 and the locking positioning groove 1, so that the load-bearing positioning plate is convenient to adjust the angle along the two-way screw hand lever, and the two-way screw hand lever can adjust the position of the load-bearing positioning plate on the inner side of the adjusting inner groove along the through arc groove position, and its installation position can be arbitrarily adjusted according to the installation position of the automobile control arm body.

[0026] The impact test mechanism of the present invention has two modes for performing impact tests on the vehicle control arm body. One is the arc swing of the impact test hydraulic cylinder, which relies on gravity to perform impact test treatment on the vehicle control arm body through the impact test cutter head. The other is the horizontal state of the impact test mechanism during adjustment, which can actively start the impact test hydraulic cylinder through the impact test cutter head to perform active fixed-point impact test on the vehicle control arm body. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of an automobile control arm impact test tool provided in an embodiment of the present application;

[0028] Figure 2 It is a structural schematic diagram of an experimental sealing box in an automobile control arm impact test tool provided in an embodiment of the present application;

[0029] Figure 3It is a structural schematic diagram of a base in an automobile control arm impact test tool provided in an embodiment of the present application;

[0030] Figure 4 It is a structural schematic diagram of a load-bearing positioning frame in an automobile control arm impact test tool provided in an embodiment of the present application;

[0031] Figure 5 It is a structural schematic diagram of an adjusting inner groove in an automobile control arm impact test tool provided in an embodiment of the present application;

[0032] Figure 6 It is a structural schematic diagram of a through arc groove in an automobile control arm impact test tool provided in an embodiment of the present application;

[0033] Figure 7 It is a structural schematic diagram of a load-bearing positioning plate in an automobile control arm impact test tool provided in an embodiment of the present application;

[0034] Figure 8 It is a structural schematic diagram of a fixed adjustment frame in an automobile control arm impact test tool provided in an embodiment of the present application.

[0035] Fig. 9 It is a structural schematic diagram of an impact test hydraulic cylinder in an automobile control arm impact test tooling provided in an embodiment of the present application.

[0036] Fig.10 This is a vehicle control arm impact test tool provided in the embodiment of the present application Fig. 9 Schematic diagram of the structure at A in the middle.

[0037] In the figure:

[0038] 1. Base; 2. Experimental sealed box; 3. Controller; 4. Observation doors and windows;

[0039] 5. Adjust the frame mechanism; 501. Load-bearing positioning frame; 502. Fixed mounting plate; 503. Load-bearing ring frame; 504. Adjust the inner groove; 505. Through arc groove; 506. Locking positioning groove 1;

[0040] 6. Positioning and clamping mechanism; 601. Bidirectional screw hand lever; 602. Load-bearing positioning plate; 603. Internal adjustment slot; 604. Locking positioning slot 2; 605. Positioning screw bracket block; 606. Locking convex surface 1; 607. Locking convex surface 2; 608. Bidirectional screw hand bracket; 609. Clamping screw bracket;

[0041] 7. Impact test mechanism; 701. Fixed adjustment frame; 702. Adjustment shaft; 703. Worm gear; 704. Worm; 705. Motor 1; 706. Impact top frame; 707. Inner shaft frame; 708. Impact test hydraulic cylinder; 709. Impact test cutter head; 710. Gear; 711. Rack; 712. Screw; 713. Motor 2; 714. Lifting frame; 715. Cylinder;

[0042] 8. Automobile control arm body. DETAILED DESCRIPTION

[0043] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0044] Embodiment:

[0045] See also Figures 1 to 3 In this embodiment, a vehicle control arm impact test tool is provided, comprising: a base 1;

[0046] The base 1 is provided with an experimental sealed box 2, and an observation door and window 4 is hingedly installed on the front side of the experimental sealed box 2; an adjusting frame mechanism 5; the adjusting frame mechanism 5 is installed on the base 1; a positioning clamping mechanism 6; the number of the positioning clamping mechanisms 6 is two or more and they are adjustably installed on the adjusting frame mechanism 5;

[0047] The vehicle control arm body 8 is detachably mounted inside the positioning clamping mechanism 6; an impact test mechanism 7; the impact test mechanism 7 is mounted on the adjustment frame mechanism 5 and is used to perform an impact test on the vehicle control arm body 8;

[0048] A controller 3 is installed on the outer wall of the test sealing box 2 ; the controller 3 is electrically connected to and controls the impact test mechanism 7 .

[0049] Working principle:

[0050] The test sealing box 2 is used for impact test of the vehicle control arm body 8 to prevent internal metal chips from splashing outside;

[0051] The automobile control arm body 8 is fixedly mounted on the adjustment frame mechanism 5 through the positioning clamping mechanism 6, and then the impact test mechanism 7 is used to perform an impact test on the mechanical wall;

[0052] The impact test mechanism 7 has two modes for performing an impact test on the vehicle control arm body 8. One mode is the arc swing of the impact test hydraulic cylinder 708, which relies on gravity to perform an impact test on the vehicle control arm body 8 through the impact test cutter head 709;

[0053] The second is to adjust the horizontal state of the impact test mechanism 7 during the adjustment, and the impact test hydraulic cylinder 708 can be actively started to perform an active fixed-point impact test on the vehicle control arm body 8 through the impact test cutter head 709.

[0054] Embodiment 2:

[0055] See also Figures 4 to 7 In this embodiment, this embodiment is a further improvement of the previous embodiment, and the specific difference is that the adjustment frame mechanism 5 includes a load-bearing positioning frame 501, and a fixed mounting plate 502 is fixedly installed at the bottom of the load-bearing positioning frame 501, and the load-bearing positioning frame 501 is detachably installed on the surface of the base 1 through the fixed mounting plate 502;

[0056] The load-bearing positioning frame 501 is provided with a load-bearing ring frame 503, the inside of which is an arc-shaped through-opening adjusting inner groove 504, the inner wall of the middle part of the load-bearing ring frame 503 is provided with a through-opening arc groove 505, and both sides of the inner and outer sides of the adjusting inner groove 504 are provided with a locking positioning groove 506;

[0057] The positioning and clamping mechanism 6 includes a load-bearing positioning plate 602 movably located inside the adjusting inner groove 504, an inner adjusting groove body 603 is provided through the middle of the load-bearing positioning plate 602, a two-way screw hand rod 601 is movably provided inside the inner adjusting groove body 603, both ends of the two-way screw hand rod 601 are movably passed through the outside of the through arc groove 505, both ends of the two-way screw hand rod 601 are externally provided with a spiral transmission sleeve with a positioning screw frame block 605, the inner side wall of the positioning screw frame block 605 is provided with a locking convex surface 1 606 and a locking convex surface 2 607, both sides of the inner adjusting groove body 603 are provided with a locking positioning groove 2 604, and the locking positioning groove 2 604 is provided on the inner wall of the load-bearing positioning plate 602;

[0058] The bidirectional screw handle 601 is used to rotate the positioning screw bracket blocks 605 at both ends to engage and drive away or approach;

[0059] A bidirectional screw hand frame 608 is installed at one end of the top of the load-bearing positioning plate 602, and spiral transmission sleeves are provided on the outside of both ends of the bidirectional screw hand frame 608 with clamping screw frames 609; the bidirectional screw hand frame 608 is used to rotate to move the clamping screw frame 609 away from or closer to it, and the clamping screw frame 609 clamps and fixes the vehicle control arm body 8.

[0060] Working principle:

[0061] The adjusting frame mechanism 5 cooperates with a plurality of positioning clamping mechanisms 6 to clamp and position the vehicle control arm body 8;

[0062] The automobile control arm body 8 is separated from the two clamping screw frames 609 by rotating the bidirectional screw hand frame 608, and the automobile control arm body 8 is placed between the two clamping screw frames 609 for fixed clamping;

[0063] After loosening the two-way screw handle 601, the two-way screw handle 601 separates the two positioning screw bracket blocks 605, so that the locking convex surface 1 606 and the locking convex surface 2 607 separate the locking positioning groove 2 604 and the locking positioning groove 1 506, which is convenient for the load-bearing positioning plate 602 to adjust the angle along the two-way screw handle 601, and the two-way screw handle 601 can adjust the position of the load-bearing positioning plate 602 on the inner side of the adjusting inner groove 504 along the position of the through arc groove 505, and its installation position can be arbitrarily adjusted according to the installation position of the automobile control arm body 8.

[0064] Embodiment 3:

[0065] See also Figures 8 to 10 In this embodiment, this embodiment is a further improvement of the previous embodiment, and the specific difference is that the impact test mechanism 7 includes a fixed adjustment frame 701, an adjustment shaft 702 is fixedly mounted on the inner wall at the bottom of the fixed adjustment frame 701, a worm wheel 703 is fixedly mounted on the outer wall at one end of the outer side of the adjustment shaft 702, the worm wheel 703 is meshed with a worm 704, and a motor 705 is connected to the bottom of the worm 704;

[0066] The motor 1 705 is used to actively drive the worm 704 to rotate;

[0067] The top of the fixed adjustment frame 701 is fixedly installed with an impact top frame 706, the middle of the impact top frame 706 is rotatably installed with an inner shaft rod frame 707, one end of the inner shaft rod frame 707 is fixedly equipped with a gear 710 on the outer wall, and the bottom of the gear 710 is meshed with a rack 711;

[0068] The rack 711 is used to mesh and drive the gear 710 to rotate;

[0069] The inner wall at the bottom of the rack 711 is spirally driven with a screw rod 712, one end of the screw rod 712 is connected to a second motor 713, a lifting frame 714 is fixed to the outside of the second motor 713, and a cylinder 715 is installed between the lifting frame 714 and the impact top frame 706;

[0070] The cylinder 715 is used to adjust the meshing and separation of the rack 711 and the gear 710. The bottom of the inner shaft frame 707 is installed with an impact test hydraulic cylinder 708, and the bottom end of the impact test hydraulic cylinder 708 is installed with an impact test cutter head 709;

[0071] The impact test hydraulic cylinder 708 is used for performing a fixed-point impact test on the vehicle control arm body 8 .

[0072] Working principle:

[0073] Impact test institution 7;

[0074] When the impact test mechanism 7 is subjected to a horizontal fixed-point impact test, the motor 705 is started, the motor 705 is started to drive the worm 704 to rotate, the worm 704 rotates and engages to drive the worm wheel 703 to rotate, the worm wheel 703 rotates to horizontally set the fixed adjustment frame 701 installed on the adjustment shaft 702, and the impact test hydraulic cylinder 708 is started to perform the impact test on the vehicle control arm body 8;

[0075] When the impact test mechanism 7 performs the natural swing impact test, the impact test cutter head 709 is in a vertical state, and the motor 2 713 is started. After the motor 2 713 is started, the screw 712 is driven to rotate, and the screw 712 rotates to engage and move the rack 711, and the gear 710 is engaged and rotated through the rack 711, and the impact test hydraulic cylinder 708 is swung through the inner shaft frame 707 to adjust the swing height, and when the impact test cutter head 709 is released, the cylinder 715 is started, and the cylinder 715 lowers the lifting frame 714 to disengage the rack 711 from the meshing of the gear 710, so that the impact test hydraulic cylinder 708 on the inner shaft frame 707 is lowered and swung to perform an impact test on the vehicle control arm body 8 through the impact test cutter head 709.

[0076] In the present invention, unless otherwise clearly stipulated and limited, for example, it can be a fixed connection, a detachable connection, or an integrated one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0077] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. An automobile control arm impact test tool, characterized in that: include: A base (1); an experimental sealed box (2) is installed on the base (1), and an observation door and window (4) is hingedly installed on the front side of the experimental sealed box (2); An adjusting frame mechanism (5); the adjusting frame mechanism (5) is installed on the base (1); Positioning and clamping mechanism (6); the number of the positioning and clamping mechanisms (6) is two or more and they are adjustably mounted on the adjusting frame mechanism (5); A vehicle control arm body (8) is detachably mounted inside the positioning clamping mechanism (6); An impact test mechanism (7); the impact test mechanism (7) is installed on the adjustment frame mechanism (5) and is used to perform an impact test on a vehicle control arm body (8).

2. The vehicle control arm impact test tool according to claim 1, characterized in that: A controller (3) is installed on the outer wall of the experimental sealed box (2).

3. The vehicle control arm impact test tool according to claim 2, characterized in that: The adjusting frame mechanism (5) comprises a load-bearing positioning frame (501), a fixed mounting plate (502) is fixedly mounted on the bottom of the load-bearing positioning frame (501), and the load-bearing positioning frame (501) is detachably mounted on the surface of the base (1) via the fixed mounting plate (502).

4. The vehicle control arm impact test tool according to claim 3, characterized in that: A load-bearing ring frame (503) is installed on the load-bearing positioning frame (501), and an adjusting inner groove (504) is opened through the inside of the load-bearing ring frame (503) in an arc shape, and a through arc groove (505) is opened through the inner wall of the middle part of the load-bearing ring frame (503) from front to back, and locking positioning grooves (506) are provided on both the inner and outer sides of the adjusting inner groove (504).

5. The automobile control arm impact test tool according to claim 1, characterized in that: The positioning clamping mechanism (6) comprises a load-bearing positioning plate (602) movably located inside the adjusting inner groove (504); an inner adjusting groove body (603) is provided through the middle of the load-bearing positioning plate (602); a bidirectional screw handle (601) is movably provided inside the inner adjusting groove body (603); both ends of the bidirectional screw handle (601) are movably passed through the outside of the through arc groove (505); both ends of the bidirectional screw handle (601) are provided with a positioning screw frame block (605) on the outside of the two ends of the bidirectional screw hand rod (601); the inner side wall of the positioning screw frame block (605) is provided with a locking convex surface 1 (606) and a locking convex surface 2 (607); both sides of the inner adjusting groove body (603) are provided with a locking positioning groove 2 (604); the locking positioning groove 2 (604) is provided on the inner wall of the load-bearing positioning plate (602).

6. The automobile control arm impact test tool according to claim 5, characterized in that: A bidirectional screw rod hand frame (608) is installed at one end of the top of the load-bearing positioning plate (602), and both ends of the bidirectional screw rod hand frame (608) are externally provided with a clamping screw frame (609) through a spiral transmission sleeve.

7. The automobile control arm impact test tool according to claim 1, characterized in that: The impact test mechanism (7) comprises a fixed adjustment frame (701), an adjustment shaft (702) is fixedly mounted on the inner wall at the bottom of the fixed adjustment frame (701), a worm wheel (703) is fixedly mounted on the outer wall at one end of the outer side of the adjustment shaft (702), the worm wheel (703) is meshed with a worm (704), and a motor (705) is connected to the bottom of the worm (704).

8. The vehicle control arm impact test tool according to claim 7, characterized in that: An impact top frame (706) is fixedly installed on the top of the fixed adjustment frame (701), an inner shaft rod frame (707) is rotatably installed in the middle of the impact top frame (706), a gear (710) is fixedly mounted on the outer wall of one end of the inner shaft rod frame (707), and a rack (711) is meshed at the bottom of the gear (710).

9. The automobile control arm impact test tool according to claim 8, characterized in that: The inner wall at the bottom of the rack (711) is spirally driven with a screw rod (712), one end of the screw rod (712) is connected to a second motor (713), a lifting frame (714) is fixed outside the second motor (713), and a cylinder (715) is installed between the lifting frame (714) and the impact top frame (706).

10. The automobile control arm impact test tool according to claim 8, characterized in that: An impact test hydraulic cylinder (708) is installed at the bottom of the inner shaft frame (707), and an impact test cutter head (709) is installed at the bottom end of the impact test hydraulic cylinder (708).

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