Automobile rear beam strength detection device with protection structure

Abstract

The utility model relates to the technical field of strength detection devices, in particular to an automobile rear beam strength detection device with a protection structure, which comprises a base, a protection box, a controller and a hydraulic rod, a protection box is welded to the upper surface of the base, a controller is connected to one side of the protection box through bolts, a hydraulic rod is installed on the upper portion of the inner wall of the protection box in a penetrating mode, a pressure sensor is connected to the movable end of the hydraulic rod through bolts, and a mounting plate is connected to the bottom of the pressure sensor. According to the automobile rear beam strength detection device with the protection structure, U-shaped bullet-proof glass moves by starting a stepping motor, and the U-shaped bullet-proof glass drives square bullet-proof glass to block a through opening in the front of a protection box, so that the automobile rear beam strength detection device is protected; the automobile rear beam to be detected is placed on the rectangular frame, and the double-shaft motor is started to drive the two groups of vertical plates at the front part to extrude the automobile rear beam on the rectangular frame, so that the automobile rear beam strength detection device is easy to limit.

Description

TECHNICAL FIELD

[0001] The utility model relates to strength detection device technical field, concretely is a kind of automobile rear beam strength detection device with protective structure. BACKGROUND

[0002] Automobile rear beam is part of automobile chassis, usually installed in the rear of vehicle, for supporting and connecting rear suspension system, rear wheel, vehicle body and other related components, after automobile rear beam is made, automobile rear beam strength detection device is used to test the strength of automobile rear beam after production, so as to detect whether the strength of automobile rear beam is qualified, there is still certain defect when using the existing automobile rear beam strength detection device, for example;

[0003] Publication No.: CN217688304U, a new energy automobile rear beam strength detection device is proposed, including bottom plate, support frame, cylinder, pressing block, fixed rod and the like, support frame is installed between the front and rear sides of bottom plate, cylinder is installed in the middle of support frame top, pressing block is installed in the lower side of cylinder telescopic rod, fixed rod is symmetrically installed on the left side of bottom plate top. The utility model discloses a cylinder as driving force can drive the pressing block to move downward, so as to extrude and break the automobile rear beam, and the time of breaking is detected, the utility model discloses that the protective plate is slidably installed between guide rails, so that the protective plate is blocked in front of and behind automobile rear beam, when detecting, can avoid that fragments splash on people, and the safety is higher.

[0004] In the above document, the front and rear parts of the device are protected by a protective plate, but the two sides are not protected. When detecting, if the automobile rear beam breaks, the fragments are easy to splash from both sides, which may cause reflection injury to the workers and the fragments splashed from both sides are not easy to collect and process, so the protective performance is poor. Therefore, the automobile rear beam strength detection device with protective structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an automobile rear beam strength detection device with protective structure to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automobile rear beam strength detection device with protective structure, comprising: a base, a protective box, a controller and a hydraulic rod.

[0007] The upper surface of the base is welded with a protection box, one side of the protection box is connected with a controller through bolts, and a hydraulic rod is installed through the inner wall of the protection box, the moving end of the hydraulic rod is connected with a pressure sensor through bolts, the bottom of the pressure sensor is connected with a mounting plate, the upper surface of the mounting plate away from the pressure sensor is connected with a telescopic rod for guiding, the telescopic rod is connected through the inner wall of the protection box, the bottom of the mounting plate is connected with an extrusion block for extruding the rear beam through bolts, the front of the protection box is provided with a protection mechanism, the inside of the base is provided with a limiting mechanism.

[0008] The protection mechanism comprises a first sliding groove, a lead screw, a first sliding block, a U-shaped bulletproof glass, a second sliding groove, a sliding rod, a second sliding block, a stepper motor, a worm, a worm wheel, a damper, a square bulletproof glass, a telescopic column and a spring, the front of the protection box is provided with a first sliding groove, the inner wall of the first sliding groove is rotatably connected with a lead screw, the outer side of the lead screw is threadedly connected with a first sliding block, the first sliding block is slidably connected in the first sliding groove, and the front of the first sliding block is connected with a U-shaped bulletproof glass, and the U-shaped bulletproof glass abuts against the front of the protection box.

[0009] Preferably, the front of the protection box away from the first sliding groove is provided with a second sliding groove, the inner wall of the second sliding groove is connected with a sliding rod, the outer side of the sliding rod is slidably connected with a second sliding block, the second sliding block is slidably connected in the second sliding groove, and the second sliding block is connected to the back of the U-shaped bulletproof glass.

[0010] Preferably, one side of the protection box is connected with a stepper motor through a motor base, the output end of the stepper motor is connected with a worm through a shaft coupling and penetrates the inner wall of the first sliding groove, the worm is rotatably connected to the inner wall of the first sliding groove, and the front of the worm is meshingly connected with a worm wheel, and the worm wheel is connected to the outer side of the lead screw.

[0011] Preferably, the inner wall of the U-shaped bulletproof glass is connected with a damper through glue at the front, the moving end of the damper is connected with a square bulletproof glass through glue, the square bulletproof glass is movably connected in the U-shaped bulletproof glass, the inner wall of the U-shaped bulletproof glass near the damper is connected with a telescopic column through glue at the front, the telescopic column is connected to the front of the square bulletproof glass through glue, and the outer side of the telescopic column is sleeved with a spring, and the spring abuts between the U-shaped bulletproof glass and the square bulletproof glass.

[0012] Preferably, the limiting mechanism comprises a U-shaped groove, a bidirectional threaded rod, a vertical plate, a rectangular frame, a double-shaft motor, a speed reducer, a first bevel gear and a second bevel gear, the inside of the base is provided with a U-shaped groove, the inner wall of the U-shaped groove is rotatably connected with a bidirectional threaded rod, the bidirectional threaded rod is threadedly connected with a vertical plate, and the vertical plate is slidably connected to the inner wall of the U-shaped groove.

[0013] Preferably, the outer side of the vertical plate is slidably connected with a rectangular frame, which is connected to the upper surface of the base.

[0014] Preferably, a double-shaft motor is connected to the inner wall of the U-shaped groove away from the bidirectional threaded rod through a motor base, and an output end of the double-shaft motor is connected with a reduction box through a shaft coupling.

[0015] Preferably, an output end of the reduction box is connected with a first bevel gear through a shaft coupling, the first bevel gear is rotatably connected to the inner wall of the U-shaped groove through a support, and a second bevel gear is meshingly connected to one side of the first bevel gear, and the second bevel gear is connected to the outer side of the bidirectional threaded rod.

[0016] Compared with the prior art, the automobile rear beam strength detection device with the protection structure has the advantages that: the U-shaped bulletproof glass is moved by starting the stepping motor, the U-shaped bulletproof glass drives the square bulletproof glass to block the through opening at the front of the protection box, thereby protecting the automobile rear beam strength detection device; the automobile rear beam to be detected is placed on the rectangular frame, the front two groups of vertical plates are extruded to clamp the automobile rear beam on the rectangular frame by starting the double-shaft motor, thereby the automobile rear beam strength detection device is easily positioned.

[0017] 1. The U-shaped bulletproof glass is moved by starting the stepping motor to drive the first sliding block, the U-shaped bulletproof glass drives the square bulletproof glass to block the through opening at the front of the protection box, when the rear beam breaks and splashes, the square bulletproof glass is impacted, the square bulletproof glass extrudes the damper and the spring to buffer, thereby protecting the automobile rear beam strength detection device;

[0018] 2. The automobile rear beam to be detected is placed on the rectangular frame, the double-shaft motor is started to drive the bidirectional threaded rod to rotate through the reduction box to improve the torsion, the front two groups of vertical plates are extruded to clamp the automobile rear beam on the rectangular frame, thereby the automobile rear beam strength detection device is easily positioned. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a main view cross section structure schematic view of the protection box of the utility model;

[0021] Figure 3 It is a main view structure schematic view of the protection box of the utility model;

[0022] Figure 4 It is a protection box top view cross section structure schematic view of the utility model;

[0023] Figure 5The utility model discloses a U-shaped bulletproof glass three-dimensional structure schematic diagram;

[0024] Figure 6 The utility model discloses a damper three-dimensional structure schematic diagram;

[0025] Figure 7 The utility model discloses a base three-dimensional structure schematic diagram;

[0026] Figure 8 The utility model discloses a base three-dimensional cross section structure schematic diagram.

[0027] In the drawing: 1, base;2, protection box;3, controller;4, hydraulic stem;5, pressure sensor;6, mounting plate;7, protection mechanism;701, first sliding groove;702, screw rod;703, first sliding block;704, U-shaped bulletproof glass;705, second sliding groove;706, sliding rod;707, second sliding block;708, step motor;709, worm;710, worm wheel;711, damper;712, square bulletproof glass;713, telescopic column;714, spring;8, limiting mechanism;801, U-shaped groove;802, two -way screw rod;803, stand plate;804, rectangular frame;805, double-shaft motor;806, reduction box;807, first bevel gear;808, second bevel gear. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the range of protection of the utility model.

[0029] Please refer to Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 And Figure 6The utility model provides a technical scheme: a car rear beam strength detection device with protection structure, include: base 1, protection case 2, controller 3 and hydraulic rod 4, the upper surface welding of base 1 has protection case 2, and the side of protection case 2 is connected with controller 3 through bolt, and the inner wall top of protection case 2 is installed with hydraulic rod 4, and the moving end of hydraulic rod 4 is connected with pressure sensor 5 through bolt, and the bottom of pressure sensor 5 is connected with mounting plate 6, and the upper surface of mounting plate 6 on the side away from pressure sensor 5 is connected with telescopic link for guiding, and telescopic link is connected on the inner wall top of protection case 2, and the bottom of mounting plate 6 is connected with extruding block for extruding rear beam through bolt, and the front of protection case 2 is provided with protection mechanism 7, and the inside of base 1 is provided with limiting mechanism 8, protection mechanism 7 includes: first sliding slot 701, screw rod 702, first sliding block 703, U-shaped bulletproof glass 704, second sliding slot 705, slide rod 706, second sliding block 707, step motor 708, worm 709, worm wheel 710, damper 711, square bulletproof glass 712, telescopic column 713 and spring 714, and the front of protection case 2 is provided with first sliding slot 701, and the inner wall of first sliding slot 701 is rotatably connected with screw rod 702, and the outer side of screw rod 702 is threadedly connected with first sliding block 703, and first sliding block 703 is slidably connected in first sliding slot 701, and the front of first sliding block 703 is connected with U-shaped bulletproof glass 704, and U-shaped bulletproof glass 704 abuts at the front of protection case 2, and the front of protection case 2 away from first sliding slot 701 is provided with second sliding slot 705, and the inner wall of second sliding slot 705 is connected with slide rod 706, and the outer side of slide rod 706 is slidably connected with second sliding block 707, and second sliding block 707 is slidably connected in second sliding slot 705, and second sliding block 707 is connected at the back of U-shaped bulletproof glass 704, and the side of protection case 2 is connected with step motor 708 through motor base, and the output end of step motor 708 is connected with worm 709 through shaft coupling and is rotatably connected on the inner wall of first sliding slot 701, and the front of worm 709 is meshingly connected with worm wheel 710, and worm wheel 710 is connected on the outer side of screw rod 702, and the inner wall front of U-shaped bulletproof glass 704 is connected with damper 711 through glue, and the moving end of damper 711 is connected with square bulletproof glass 712 through glue, and square bulletproof glass 712 is movably connected in U-shaped bulletproof glass 704, and the inner wall front of U-shaped bulletproof glass 704 on the side close to damper 711 is connected with telescopic column 713 through glue, and telescopic column 713 is connected at the front of square bulletproof glass 712 through glue, and the outer side of telescopic column 713 is sleeved with spring 714, and spring 714 abuts between U-shaped bulletproof glass 704 and square bulletproof glass 712.

[0030] In practice, the stepper motor 708 is started to drive the worm gear 709 to drive the worm wheel 710 to rotate. The worm wheel 710 drives the lead screw 702 to rotate, which drives the first slider 703 to push the U-shaped bulletproof glass 704 to move. The U-shaped bulletproof glass 704 drives the second slider 707 to slide along the slide bar 706. The U-shaped bulletproof glass 704 drives the square bulletproof glass 712 to block the opening at the front of the protective box 2. When the rear beam breaks and the debris flies out, it hits the square bulletproof glass 712. The square bulletproof glass 712 squeezes the damper 711 and the spring 714 to buffer the impact and reduce the impact on the rear beam strength testing device of the car, so as to protect the rear beam strength testing device of the car.

[0031] See Figures 2-4 , Figure 7 and Figure 8 It is known that the limiting mechanism 8 includes: a U-shaped groove 801, a bidirectional threaded rod 802, a vertical plate 803, a rectangular frame 804, a dual-axis motor 805, a reduction gearbox 806, a first bevel gear 807, and a second bevel gear 808. The base 1 has a U-shaped groove 801 inside. A bidirectional threaded rod 802 is rotatably connected to the inner wall of the U-shaped groove 801. A vertical plate 803 is threaded onto the bidirectional threaded rod 802. The vertical plate 803 is slidably connected to the inner wall of the U-shaped groove 801. A rectangular frame 804 is slidably connected to the outer side of the vertical plate 803. 4. A dual-axis motor 805 is connected to the inner wall of the U-shaped groove 801, which is away from the bidirectional threaded rod 802, on the upper surface of the base 1 via a motor mount. The output end of the dual-axis motor 805 is connected to a gearbox 806 via a coupling. The output end of the gearbox 806 is connected to a first bevel gear 807 via a coupling. The first bevel gear 807 is rotatably connected to the inner wall of the U-shaped groove 801 via a bracket. A second bevel gear 808 is meshed on one side of the first bevel gear 807. The second bevel gear 808 is connected to the outer side of the bidirectional threaded rod 802.

[0032] In practice, the rear beam of the car to be tested is placed on the rectangular frame 804. The dual-shaft motor 805 is started, and the torque is increased by the reduction gearbox 806. This drives the first bevel gear 807 to drive the second bevel gear 808 to rotate. The second bevel gear 808 drives the bidirectional threaded rod 802 to rotate in the vertical plate 803. This causes the two sets of vertical plates 803 at the front to press the rear beam of the car on the rectangular frame 804 and limit its movement, making it easy for the rear beam strength testing device to be limited.

[0033] In summary: When using this automotive rear beam strength testing device with a protective structure, firstly, the controller 3 starts the stepper motor 708 to move the U-shaped bulletproof glass 704 upwards, exposing the opening at the front of the protective box 2. Then, the automotive rear beam to be tested is placed on the rectangular frame 804. Next, the dual-axis motor 805 is started, driving the two sets of front uprights 803 to press the automotive rear beam on the rectangular frame 804. Then, the stepper motor 708 is started to rotate in the opposite direction, resetting the U-shaped bulletproof glass 704. Finally, the controller 3 inputs the required compressive force, causing the hydraulic rod 4 to extend. The mounting plate 6 and the bottom pressing block are pushed down and pressed onto the rear beam of the car on the rectangular frame 804. The reaction force of the rear beam pushes the pressure sensor 5. When the pressure sensor 5 detects that the pressure has reached the set pressure value, the extension of the hydraulic rod 4 is stopped, and then the hydraulic rod 4 is shortened to reset the mounting plate 6 and the bottom pressing block. Then the stepper motor 708 is started to move the U-shaped bulletproof glass 704 upward, and the dual-axis motor 805 is started to release the rear beam of the car. The rear beam of the car is taken out to observe whether it is cracked or deformed. The contents not described in detail in this instruction belong to the prior art known to those skilled in the art.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A vehicle rear beam strength testing device with a protective structure, comprising: The base (1), protective box (2), controller (3), and hydraulic rod (4) are characterized in that; A protective box (2) is welded to the upper surface of the base (1). A controller (3) is bolted to one side of the protective box (2). A hydraulic rod (4) is installed through the upper part of the inner wall of the protective box (2). A pressure sensor (5) is bolted to the moving end of the hydraulic rod (4). A mounting plate (6) is connected to the bottom of the pressure sensor (5). A telescopic rod for guidance is connected to the upper surface of the mounting plate (6) on the side away from the pressure sensor (5). The telescopic rod is connected through the upper part of the inner wall of the protective box (2). A pressing block for pressing the rear beam is bolted to the bottom of the mounting plate (6). A protective mechanism (7) is provided at the front of the protective box (2). A limit mechanism (8) is provided inside the base (1). The protective mechanism (7) includes: a first slide groove (701), a lead screw (702), a first slider (703), a U-shaped bulletproof glass (704), a second slide groove (705), a slide rod (706), a second slider (707), a stepper motor (708), a worm gear (709), a worm wheel (710), a damper (711), a square bulletproof glass (712), a telescopic column (713), and a spring (714). The front of the protective box (2) is provided with a first slide groove (701). A lead screw (702) is rotatably connected to the inner wall of the first slide groove (701). The outer side of the lead screw (702) is threadedly connected to a first slider (703). The first slider (703) is slidably connected in the first slide groove (701), and the front of the first slider (703) is connected to a U-shaped bulletproof glass (704). The U-shaped bulletproof glass (704) abuts against the front of the protective box (2).

2. The vehicle rear beam strength testing device with a protective structure according to claim 1, characterized in that: A second slide (705) is provided at the front of the protective box (2) away from the first slide (701). A slide rod (706) is connected to the inner wall of the second slide (705). A second slider (707) is slidably connected to the outer side of the slide rod (706). The second slider (707) is slidably connected in the second slide (705) and is connected to the back of the U-shaped bulletproof glass (704).

3. The vehicle rear beam strength testing device with a protective structure according to claim 1, characterized in that: A stepper motor (708) is connected to one side of the protective box (2) via a motor mount. The output end of the stepper motor (708) passes through the inner wall of the first slide groove (701) and is connected to a worm gear (709) via a coupling. The worm gear (709) is rotatably connected to the inner wall of the first slide groove (701), and the front part of the worm gear (709) is meshed with a worm wheel (710). The worm wheel (710) is connected to the outside of the lead screw (702).

4. The vehicle rear beam strength testing device with a protective structure according to claim 3, characterized in that: The front of the inner wall of the U-shaped bulletproof glass (704) is connected to a damper (711) by adhesive. The moving end of the damper (711) is connected to a square bulletproof glass (712) by adhesive. The square bulletproof glass (712) is movably connected inside the U-shaped bulletproof glass (704). The front of the inner wall of the U-shaped bulletproof glass (704) near the damper (711) is connected to a telescopic column (713) by adhesive. The telescopic column (713) is connected to the front of the square bulletproof glass (712) by adhesive. A spring (714) is sleeved on the outside of the telescopic column (713). The spring (714) abuts between the U-shaped bulletproof glass (704) and the square bulletproof glass (712).

5. The vehicle rear beam strength testing device with a protective structure according to claim 1, characterized in that: The limiting mechanism (8) includes: a U-shaped groove (801), a bidirectional threaded rod (802), a vertical plate (803), a rectangular frame (804), a dual-axis motor (805), a reduction gearbox (806), a first bevel gear (807), and a second bevel gear (808). The base (1) has a U-shaped groove (801) inside. A bidirectional threaded rod (802) is rotatably connected to the inner wall of the U-shaped groove (801). A vertical plate (803) is threaded onto the bidirectional threaded rod (802). The vertical plate (803) is slidably connected to the inner wall of the U-shaped groove (801).

6. The vehicle rear beam strength testing device with a protective structure according to claim 5, characterized in that: A rectangular frame (804) is slidably connected to the outside of the upright plate (803), and the rectangular frame (804) is connected to the upper surface of the base (1).

7. The vehicle rear beam strength testing device with a protective structure according to claim 6, characterized in that: A dual-axis motor (805) is connected to the inner wall of the U-shaped groove (801) away from the bidirectional threaded rod (802) via a motor mount. The output end of the dual-axis motor (805) is connected to a gearbox (806) via a coupling.

8. The vehicle rear beam strength testing device with a protective structure according to claim 7, characterized in that: The output end of the gearbox (806) is connected to a first bevel gear (807) via a coupling. The first bevel gear (807) is rotatably connected to the inner wall of the U-shaped groove (801) via a bracket. A second bevel gear (808) is meshed with one side of the first bevel gear (807). The second bevel gear (808) is connected to the outside of the bidirectional threaded rod (802).

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