Distribution box mechanical collision test equipment

Abstract

The invention discloses a distribution box mechanical collision test device, and relates to the technical field of distribution box testing, the collision test device comprises a conveying bearing base and a collision test mechanism, the collision test mechanism comprises a top plate piece, a limiting clamping assembly and two load applying assemblies; the limiting clamping assembly comprises a clamping part and a driving pressing part, the load applying assembly comprises a bearing plate, an impact part and a lifting part, the bearing plate is connected with the lifting part, and the lifting part can drive the bearing plate to vertically move; the impact part is arranged on the bearing plate and is used for intermittently applying an impact load to the side wall of the distribution box body; and the impact part is connected with the lifting part, pauses the time period of impacting the side wall of the distribution box body, acts on the lifting part and enables the bearing plate to move upwards. The device is simple in structure, can carry out multi-position and multi-mode impact collision test on the side wall of the distribution box, facilitates the blanking of the distribution box after the test is completed, is convenient to operate, and is higher in practicability.

Description

Technical Field

[0001] The invention relates to the technical field of distribution box testing, in particular to a mechanical collision test device for a distribution box. Background Art

[0002] The distribution box is a low-voltage distribution box that is composed of switchgear, measuring instruments, protective electrical appliances and auxiliary equipment assembled in a closed or semi-closed metal cabinet or on a screen. During normal operation, the circuit can be connected or disconnected with the help of manual or automatic switches. The distribution box has the characteristics of small size, easy installation, special technical performance, unique configuration function, no site restrictions, relatively common application, stable and reliable operation, high space utilization, small footprint and environmental protection.

[0003] The outer shell of the distribution box is mainly formed by cutting, bending, drilling and welding of sheet metal parts; the outer shell of the distribution box protects the electrical equipment inside it, so it needs to have a certain protective strength; the material and thickness of the sheet metal parts of the distribution box are selected by performing a collision test on the distribution box; the existing collision test method of the distribution box is to knock the outer shell of the distribution box with a wooden hammer and observe the deformation of the outer wall of the distribution box; the test efficiency is low and it is impossible to accurately test the impact strength that the distribution box can withstand. Summary of the invention

[0004] The purpose of the present invention is to provide a mechanical collision test device for a distribution box to solve the problems raised in the background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: A mechanical collision test device for a distribution box, comprising a conveying bearing base for supporting and conveying a distribution box body and a collision test mechanism for performing a collision test on the side wall of the distribution box body, the collision test mechanism comprising a top plate, a limiting clamping assembly and two load applying assemblies for applying collision impact to the side wall of the distribution box body, the top plate is arranged on the upper side of the conveying bearing base and side brackets are arranged on both sides of the top plate, and the bottom of the side bracket is fixedly connected to the side of the conveying bearing base; the limiting clamping assembly comprises a clamping part and a driving pressing part, the clamping parts are two and the two clamping parts are symmetrically arranged with the center line of the conveying bearing base as the symmetry center, the driving pressing part is arranged at the bottom of the top plate and the two clamping parts are connected to the driving pressing part, the driving pressing part is used to apply downward pressure from the top to the distribution box body passing through the lower side of the top plate, and the driving pressing part is at the bottom When pressing the distribution box, the two clamping parts can also be driven to approach the center line of the conveying bearing base and clamp the bottom of the distribution box; the two load applying components are symmetrically arranged on the two side brackets respectively and the load applying components include a bearing plate, an impact part and a lifting part, the front end of the bearing plate is provided with a front rod and the front rod is slidably matched with the side bracket, the lifting part is arranged on the side of the conveying bearing base and the top is connected to the side of the top plate, the bearing plate is connected to the lifting part and the lifting part can drive the bearing plate to move vertically; the impact part is arranged on the bearing plate and the impact part is used to intermittently apply an impact load to the side wall of the distribution box; the impact part is connected to the lifting part, and the impact part pauses for a period of time when impacting the side wall of the distribution box, and the impact part acts on the lifting part and causes the bearing plate to move upward; a scanning part for laser scanning of the side wall of the distribution box is arranged on the front wall of the front rod.

[0006] On the basis of the above technical solution, the present invention also provides the following optional technical solution: In an optional scheme: a rear baffle is provided at the tail of the supporting plate, the impact part includes an impact collision head, an impact rod, a spring force measuring part and a force storage driving part, the impact rod slides through the rear baffle and the impact collision head is arranged at the end of the impact rod pointing to the distribution box body, one end of the spring force measuring part is connected to the end of the impact rod away from the impact collision head and the other end is connected to the rear baffle, the force storage driving part is arranged on the side of the rear baffle and the force storage driving part is connected to the impact rod; the force storage driving part is used to intermittently drive the impact rod to move toward the side away from the distribution box body.

[0007] In an optional solution: the impact collision head includes an impact seat and a collision contact portion, the impact seat is fixed to the end of the impact rod and a plurality of screw rod portions are arranged on the impact seat, and the collision contact portion is fastened with the screw rod portion by threads.

[0008] In an optional scheme: a rack portion is provided on the lower side of the impact rod, and the force storage drive portion includes a force storage shaft and a force storage motor. The force storage shaft is rotatably arranged on the side of the rear fender and a force storage gear is provided on the force storage shaft. The force storage gear can engage with the rack portion on the impact rod, and the output end of the force storage motor is connected to one end of the force storage shaft.

[0009] In an optional scheme: a side rack is provided on the side of the impact rod and the side rack is fixedly connected to the impact rod via a side rod member; the lifting part includes a vertical gear shaft, a vertical screw rod and a downward moving motor; the vertical gear shaft and the top of the vertical screw rod are both rotatably connected to the side of the top plate member; a one-way ratchet transmission part is provided on the top of the vertical gear shaft and the one-way ratchet transmission part is connected to the top of the vertical screw rod via a belt transmission part; the vertical gear shaft is meshed with the side rack; the vertical screw rod is spirally matched with the bearing plate and the top of the vertical screw rod is connected to the output end of the downward moving motor arranged on the top plate member.

[0010] In an optional scheme: the side wall of the top plate is also provided with a sensing component and the sensing component includes an outward extension seat, a sensing movable rod and a pressure sensing block, the outward extension seat is fixed on the side of the top plate, the sensing movable rod is arranged on the outward extension seat and can slide vertically, a pressure sensing block is arranged at the bottom of the sensing movable rod and the pressure sensing block is connected to the outward extension seat through a buffer spring part; the pressure sensing block is opposite to the impact rod and the buffer spring part is electrically connected to the downward moving motor.

[0011] In an optional scheme: the clamping part includes a clamping plate and at least one upper connecting rod, the clamping plate is arranged above the conveying bearing base and close to the side, and a plurality of semicircular clamping blocks with tops rotatably connected to the clamping plate are arranged on the side of the clamping plate facing the distribution box body, the plurality of semicircular clamping blocks are distributed at equal intervals, and the planes of the semicircular clamping blocks face the center line of the conveying bearing base, the lower end of the upper connecting rod is fixedly connected to the clamping plate, and the other end of the upper connecting rod is connected to the driving downward pressure part.

[0012] In an optional scheme: the driving downward pressure part includes a fixed pressure plate, a downward pressure cylinder and a movable pressure plate, the fixed pressure plate is provided with a guide rod and the guide rod slides through the top plate, the downward pressure cylinder is arranged on the top plate and the lower end of the downward pressure cylinder is connected to the fixed pressure plate; the movable pressure plate is located at the lower side of the fixed pressure plate and both ends of the movable pressure plate are provided with movable guide rods, the movable guide rod slides through the fixed pressure plate and the movable pressure plate is connected to the limit spring part, the top of the upper connecting rod is provided with a movable connecting rod with one end hinged thereto and the other end of the movable connecting rod is connected to the side of the fixed pressure plate, and the top of the upper connecting rod also slides with the lower surface of the top plate.

[0013] In an optional solution: the conveying bearing base includes two L-shaped support bodies and a plurality of conveying bearing rollers arranged at equal intervals between the two L-shaped support bodies, wherein a conveying drive box is arranged on the side of one of the L-shaped support bodies and the plurality of conveying bearing rollers are connected to the conveying drive box.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, two load applying components impact the distribution box from both side walls of the distribution box in an intermittent impact manner; each time the impact part completes the impact on the side wall of the distribution box, it moves upward for a certain distance, so that multiple areas of the side wall of the distribution box can be impacted and collided, effectively testing the protective strength of the side wall of the distribution box.

[0015] 2. In the present invention, the driving pressing part gradually applies a pressing load to the distribution box from the top, and the driving pressing part also drives the two clamping parts to approach the side walls of the distribution box. The two clamping parts clamp the distribution box from the bottom of both sides of the distribution box to prevent the distribution box from moving sideways when it is subjected to an impact collision, which effectively simulates the fixed state of the distribution box, and the clamping part can quickly contact the distribution box to clamp the distribution box, which is convenient for unloading the distribution box.

[0016] 3. The present invention has a simple structure and can perform multi-position and multi-mode impact and collision tests on the side wall of the distribution box. After the test is completed, it is convenient to unload the distribution box, and the operation is convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the collision test equipment in one embodiment of the present invention.

[0018] Figure 2 This is a schematic structural diagram of a load applying component from one perspective in an embodiment of the present invention.

[0019] Figure 3 This is a schematic structural diagram of a load applying component in an embodiment of the present invention from another perspective.

[0020] Figure 4 It is a schematic diagram of the structure of a limiting clamping assembly in one embodiment of the present invention.

[0021] Figure 5 for Figure 3 Enlarged structural diagram at B in the middle.

[0022] Figure 6 for Figure 1 Enlarged structural diagram at A in the middle.

[0023] Notes on reference numerals: conveying bearing base 100, L-shaped support body 110, conveying bearing roller 120, conveying drive box 130, distribution box 200, collision test mechanism 300, top plate 400, side bracket 410, limiting clamping assembly 500, clamping plate 510, upper connecting rod 520, semicircular clamping block 530, fixed pressure plate 540, downward pressure cylinder 550, movable connecting rod 560, movable pressure plate 570, movable guide rod 580, limit spring part 590, load applying assembly 600, bearing plate 610, front rod 611, rear baffle Plate 612, scanning part 613, impact collision head 620, impact seat 621, screw part 622, force storage shaft 651, force storage gear 652, collision contact part 623, impact rod 630, spring force measuring part 640, force storage drive part 650, force storage motor 653, side rack 660, side rod 661, vertical gear shaft 670, one-way ratchet transmission part 671, vertical screw rod 680, belt transmission part 690, sensing component 700, external extension seat 710, sensing movable rod 720, pressure sensing block 730, buffer spring part 740. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments; in the accompanying drawings or descriptions, similar or identical parts use the same reference numerals, and in practical applications, the shape, thickness or height of each component can be enlarged or reduced. The various embodiments listed in the present invention are only used to illustrate the present invention and are not used to limit the scope of the present invention. Any obvious modifications or changes made to the present invention do not depart from the spirit and scope of the present invention.

[0025] The left, right, up, and down positions of the various components given in the drawings are only one arrangement method, and the specific positions are set according to specific needs.

[0026] In one embodiment, Figure 1-Figure 3As shown, a distribution box mechanical collision test equipment includes a conveying bearing base 100 for supporting and conveying a distribution box body 200 and a collision test mechanism 300 for performing a collision test on the side wall of the distribution box body 200, wherein the collision test mechanism 300 includes a top plate 400, a limiting clamping assembly 500 and two load applying assemblies 600 for applying a collision impact to the side wall of the distribution box body 200, wherein the top plate 400 is arranged on the upper side of the conveying bearing base 100 and side plates are arranged on both sides of the top plate 400. The bracket 410, the bottom of the side bracket 410 is fixedly connected to the side of the conveying and carrying base 100; the limiting clamping assembly 500 includes a clamping part and a driving pressing part, the clamping part is two and the two clamping parts are symmetrically arranged with the midline of the conveying and carrying base 100 as the symmetry center, the driving pressing part is arranged at the bottom of the top plate 400 and the two clamping parts are connected to the driving pressing part, the driving pressing part is used to apply downward pressure from the top to the distribution box 200 passing through the lower side of the top plate 400, and the driving pressing part is in the downward pressure. When the distribution box 200 is moved, the two clamping parts can be driven to approach the center line of the conveying bearing base 100 and clamp the bottom of the distribution box 200; the two load applying assemblies 600 are symmetrically arranged on the two side brackets 410, and the load applying assembly 600 includes a bearing plate 610, an impact part and a lifting part. The front end of the bearing plate 610 is provided with a front rod 611, and the front rod 611 is slidably matched with the side bracket 410. The lifting part is arranged on the side of the conveying bearing base 100 and the top is aligned with the side of the top plate 400. The supporting plate 610 is connected with the lifting part and the lifting part can drive the supporting plate 610 to move vertically; the impact part is arranged on the supporting plate 610 and the impact part is used to intermittently apply an impact load to the side wall of the distribution box 200; the impact part is connected with the lifting part, and the impact part pauses for a period of time when impacting the side wall of the distribution box 200, and the impact part acts on the lifting part and makes the supporting plate 610 move upward; a scanning part 613 for laser scanning the side wall of the distribution box 200 is arranged on the front wall of the front rod 611.

[0027] In the embodiment of the present invention, the distribution box 200 is placed on the conveying bearing base 100 and the distribution box 200 moves on the conveying bearing base 100. When the distribution box 200 moves to the lower side of the top plate 400, the conveying bearing base 100 stops working and the side wall of the top plate 400 corresponds to the load applying assembly 600; the driving pressing part starts working and gradually applies a pressing load to the distribution box 200 from the top, and the driving pressing part also drives the two clamping parts to approach the side wall of the distribution box 200, and the two clamping parts clamp the distribution box 200 from the bottom of both sides of the distribution box 200; the two load applying assemblies 600 start working, at this time, the bearing plate 610 is at the bottom of the side bracket 410 and the impact part intermittently applies pressure to the distribution box 2 00 side wall is impacted and collided. The impact part is away from the distribution box body 200 and accumulates force during the pause period after each impact. During the process of accumulating force, the impact part acts on the lifting part, and the lifting part starts to move and drives the supporting plate 610 to gradually move upward, and the impact part moves upward with the supporting plate 610; therefore, the impact part moves upward for a distance after each impact on the side wall of the distribution box body 200, so that multiple areas of the side wall of the distribution box body 200 can be impacted and collided, and the protective strength of the side wall of the distribution box body 200 can be effectively tested; at the same time, the scanning part 613 can detect the state of the outer wall of the distribution box body 200 after the impact and collision through laser, and then provide a reference for the subsequent adjustment of the material used for the top plate 400 and the thickness of the box body.

[0028] In one embodiment, Figure 1 -As shown in the figure, a rear baffle 612 is provided at the rear of the carrier plate 610, and the impact part includes an impact collision head 620, an impact rod 630, a spring force measuring part 640 and a force storage driving part 650. The impact rod 630 slides through the rear baffle 612 and the impact collision head 620 is arranged at the end of the impact rod 630 pointing to the distribution box 200. One end of the spring force measuring part 640 is connected to the end of the impact rod 630 away from the impact collision head 620 and the other end is connected to the rear baffle 612. The force storage driving part 650 is arranged on the side of the rear baffle 612 and the force storage driving part 650 is connected to the impact rod 630; the force storage driving part 650 is used to intermittently drive the impact rod 630 to move toward the side away from the distribution box 200; in the embodiment of the present invention, when the impact part starts to work, the force storage driving part 650 drives the impact rod 630 to move toward the side away from the distribution box 200, the spring force measuring part 640 is compressed and accumulates elastic force, and the impact collision head 620 moves with the impact rod 630; when the force storage driving part 650 no longer drives the impact rod 630 to move, under the action of the rebound force of the spring force measuring part 640, the impact rod 630 quickly moves back and the impact collision head 620 moves toward the side wall of the distribution box 200 and impacts the side wall of the distribution box 200.

[0029] In one embodiment, Figure 1-Figure 3As shown, the impact collision head 620 includes an impact seat 621 and a collision contact portion 623, the impact seat 621 is fixed to the end of the impact rod 630 and a plurality of screw portions 622 are provided on the impact seat 621, and the collision contact portion 623 is fastened with the screw portion 622 by threaded fastening; in the embodiment of the present invention, since the collision contact portion 623 can adopt a variety of structures and can be replaced by the detachable connection between the collision contact portion 623 and the screw portion 622, a variety of methods are adopted for the collision of the side wall of the distribution box 200.

[0030] In one embodiment, Figure 1-Figure 3 As shown, a rack portion is provided at the lower side of the impact rod 630, and the force storage driving part 650 includes a force storage shaft 651 and a force storage motor 653. The force storage shaft 651 is rotatably arranged on the side of the rear baffle 612 and a force storage gear 652 is provided on the force storage shaft 651. The force storage gear 652 can mesh with the rack portion on the impact rod 630, and the output end of the force storage motor 653 is connected to one end of the force storage shaft 651. In the embodiment of the present invention, the force storage motor 653 works and drives the force storage shaft 651 to rotate, and the force storage shaft 651 drives the force storage gear 652 to rotate, and the force storage gear 652 is intermittently meshed with the rack portion on the impact rod 630. When the force storage gear 652 is meshed with the gear When the rack portion is in a meshing state, the rotating force storage gear 652 can push the impact rod 630 and the impact collision head 620 to move toward the side away from the distribution box 200; when the force storage gear 652 is disengaged from the rack portion, the spring force measuring portion 640 drives the impact rod 630 to move back quickly. There are multiple force storage gears 652 on the force storage shaft 651, and the number of teeth on the multiple force storage gears 652 is different. By replacing the force storage gear 652 opposite to the rack portion, the force storage driving portion 650 can drive the impact rod 630 to move a different distance. The elongation length of the spring force measuring portion 640 is different, and the accumulated rebound impact is different, so different loads can be applied to the distribution box 200 for impact collision.

[0031] In one embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, the side of the impact rod 630 is provided with a side rack 660, and the side rack 660 and the impact rod 630 are fixedly connected by a side rod 661, the lifting part includes a vertical gear shaft 670, a vertical screw rod 680 and a downward movement motor 681, the tops of the vertical gear shaft 670 and the vertical screw rod 680 are both rotatably connected to the side of the top plate 400, the top of the vertical gear shaft 670 is provided with a one-way ratchet transmission part 671, and the one-way ratchet transmission part 671 is connected to the top of the vertical screw rod 680 by a belt transmission part 690, and the vertical gear shaft 670 is meshed with the side rack 660; The vertical screw rod 680 is spirally matched with the bearing plate 610, and the top of the vertical screw rod 680 is connected to the output end of the downward movement motor 681 arranged on the top plate 400; in the embodiment of the present invention, the impact rod 630 moves under the cooperation of the force storage drive part 650 and the spring force measuring part 640, and the moving impact rod 630 drives the side rack 660 to move, and since the side rack 660 is engaged with the vertical gear shaft 670, the vertical gear shaft 670 can rotate; when the impact rod 630 moves toward the end away from the distribution box body 200, the vertical gear shaft 670 drives the belt transmission part 690 through the one-way ratchet transmission part 671. The pulley of the one-way ratchet transmission part 671 drives the vertical screw rod 680 to rotate through the one-way ratchet transmission part 671 and the belt transmission part 690. The rotating vertical screw rod 680 makes the bearing plate 610 move upward through the spiral cooperation with the bearing plate 610, so that the impact collision head 620 can perform multi-position impact collision on the outer wall of the distribution box body 200; when the impact rod 630 moves toward the distribution box body 200, the vertical gear shaft 670 rotates in the opposite direction. Due to the one-way transmission of the one-way ratchet transmission part 671, the rotating vertical gear shaft 670 will not be driven by the one-way ratchet transmission part 671 and the belt transmission part 690. The vertical screw rod 680 is rotated, thereby ensuring that the impact collision head 620 will not move downward when colliding with the outer wall of the distribution box 200; when the supporting plate 610 moves to the top of the vertical screw rod 680, the downward movement motor 681 works and drives the vertical screw rod 680 to rotate in the opposite direction. Due to the one-way transmission of the one-way ratchet transmission part 671, the rotating vertical screw rod 680 will not drive the vertical gear shaft 670 to rotate through the belt transmission part 690 and the one-way ratchet transmission part 671; the one-way ratchet transmission part 671 is a ratchet mechanism used in bicycles, and its function is to realize one-way transmission, which belongs to the prior art, so it will not be described here.

[0032] In one embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6As shown, the side wall of the top plate 400 is also provided with a sensing component 700, and the sensing component 700 includes an outer extension seat 710, a sensing movable rod 720 and a pressure sensing block 730. The outer extension seat 710 is fixed on the side of the top plate 400, and the sensing movable rod 720 is arranged on the outer extension seat 710 and can slide vertically. The bottom of the sensing movable rod 720 is provided with a pressure sensing block 730, and the pressure sensing block 730 is connected to the outer extension seat 710 through a buffer spring portion 740; the pressure sensing block 730 is opposite to the impact rod 630 and the buffer spring portion 740 is connected to the outer extension seat 710. 40 is electrically connected to the downward motor 681; in the embodiment of the present invention, when the supporting plate 610 moves upward and moves to the top of the vertical screw rod 680, the impact rod 630 contacts the pressure sensing block 730 and compresses the buffer spring portion 740, the pressure sensing block 730 senses the pressure and transmits a signal to the downward motor 681, the downward motor 681 starts to work and drives the vertical screw rod 680 to rotate, and the rotating vertical screw rod 680 drives the supporting plate 610 to move downward until the supporting plate 610 moves to the bottom of the vertical screw rod 680, so as to facilitate an impact collision with the next distribution box 200.

[0033] In one embodiment, Figure 1-Figure 4 As shown, the clamping portion includes a clamping plate 510 and at least one upper connecting rod 520, the clamping plate 510 is arranged above the conveying and carrying base 100 and close to the side, and a plurality of semicircular clamping blocks 530 are arranged on the side of the clamping plate 510 facing the distribution box 200, and the tops of the plurality of semicircular clamping blocks 530 are rotatably connected thereto, and the plurality of semicircular clamping blocks 530 are distributed at equal intervals, and the planes of the semicircular clamping blocks 530 face the center line of the conveying and carrying base 100, and the lower end of the upper connecting rod 520 is fixedly connected to the clamping plate 510 and the other end of the upper connecting rod 520 is fixedly connected to the clamping plate 510. The end is connected to the driving pressing part; in the embodiment of the present invention, when the driving pressing part is close to or away from the top of the distribution box 200, it can act on the top of the upper connecting rod 520 and make the upper connecting rod 520 move along the width direction of the conveying support base 100, so that the semicircular clamping block 530 can clamp and release the bottom position of the side wall of the distribution box 200; because the semicircular clamping block 530 is rotatably connected to the clamping plate 510, a plurality of semicircular clamping blocks 530 can adapt to the uneven surface of the side wall of the distribution box 200.

[0034] In one embodiment, Figure 1-Figure 4As shown, the driving downward pressing part includes a fixed pressing plate 540, a downward pressing cylinder 550 and a movable pressing plate 570, the fixed pressing plate 540 is provided with a guide rod and the guide rod slides through the top plate 400, the downward pressing cylinder 550 is arranged on the top plate 400 and the lower end of the downward pressing cylinder 550 is connected to the fixed pressing plate 540; the movable pressing plate 570 is located at the lower side of the fixed pressing plate 540 and both ends of the movable pressing plate 570 are provided with movable guide rods 580, the movable guide rod 580 slides through the fixed pressing plate 540 and the movable pressing plate 570 is connected to 240 through a limit spring portion 590, the top of the upper connecting rod 520 is provided with a movable connecting rod 560 with one end hinged thereto and the other end of the movable connecting rod 560 is connected to the side of the fixed pressing plate 540, and the upper connecting rod 520 is provided with a movable connecting rod 560. The part also slides with the lower surface of the top plate part 400; in the embodiment of the present invention, the downward pressure cylinder part 550 drives the fixed pressure plate 540 to move vertically by telescoping. When the fixed pressure plate 540 moves downward, the bottom of the movable pressure plate 570 first contacts the top of the distribution box body 200 and gradually compresses the limit spring part 590; the fixed pressure plate 540 moving downward pushes and pulls the upper connecting rod 520 through the movable connecting rod 560, so that the upper connecting rod 520 drives the clamping plate part 510 and the semicircular clamping block 530 away from or close to the distribution box body 200 to achieve the clamping and release of the side wall of the distribution box body 200; because there is a buffer distance between the movable pressure plate 570 and the fixed pressure plate 540, the position of the upper connecting rod 520 and the clamping plate part 510 can be adjusted accordingly to adapt to the width of the distribution box body 200.

[0035] In one embodiment, Figure 1 As shown, the conveying bearing base 100 includes two L-shaped support bodies 110 and a plurality of conveying bearing rollers 120 equidistantly arranged between the two L-shaped support bodies 110, wherein a conveying drive box 130 is arranged on the side of one of the L-shaped support bodies 110 and the plurality of conveying bearing rollers 120 are all connected to the conveying drive box 130; in the implementation of the present invention, the conveying drive box 130 can drive the plurality of conveying bearing rollers 120 to rotate synchronously and in the same direction, and the rotating conveying bearing rollers 120 drive the distribution box 200 to move through the friction between the arc top and the bottom of the distribution box 200; the conveying drive box 130 can be a chain drive or a belt drive, which belongs to the prior art and will not be described here.

[0036] The above embodiment provides a mechanical collision test device for a distribution box, wherein when the distribution box body 200 moves to the lower side of the top plate 400, the conveying bearing base 100 stops working and the side wall of the top plate 400 corresponds to the load applying assembly 600; the driving pressing part starts working and gradually applies a pressing load to the distribution box body 200 from the top, and the driving pressing part also drives the two clamping parts to approach the side wall of the distribution box body 200, and the two clamping parts clamp the distribution box body 200 from the bottom of both sides of the distribution box body 200; the two load applying assemblies 600 start working, at this time, the bearing plate 610 is at the bottom of the side bracket 410 and the impact part intermittently impacts and collides with the side wall of the distribution box body 200, During the pause period after each impact of the impact part, the impact part moves away from the distribution box 200 and accumulates force. During the process of accumulating force, the impact part acts on the lifting part, and the lifting part starts to move and drives the supporting plate 610 to gradually move upward, and the impact part moves upward with the supporting plate 610; therefore, the impact part moves upward for a certain distance after each impact on the side wall of the distribution box 200, so that multiple areas of the side wall of the distribution box 200 can be impacted and collided, effectively testing the protective strength of the side wall of the distribution box 200; at the same time, the scanning part 613 can use laser to detect the state of the outer wall of the distribution box 200 after the impact and collision, and then provide a reference and basis for the subsequent adjustment of the material used for the top plate 400 and the thickness of the box.

[0037] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A mechanical collision test device for a distribution box, comprising a conveying and carrying base for supporting and conveying a distribution box body and a collision test mechanism for performing a collision test on the side wall of the distribution box body, characterized in that: The collision test mechanism includes a top plate, a limiting clamping assembly and two load applying assemblies for applying collision impact to the side wall of the distribution box; The top plate is arranged on the upper side of the conveying and bearing base, and side brackets are arranged on both sides of the top plate, and the bottom of the side brackets is fixedly connected to the side of the conveying and bearing base; The limiting clamping assembly includes a clamping portion and a driving pressing portion; There are two clamping parts, and the two clamping parts are symmetrically arranged with the center line of the conveying bearing base as the symmetry center. The driving pressing part is arranged at the bottom of the top plate and the two clamping parts are connected to the driving pressing part. The driving pressing part is used to apply downward pressure from the top to the distribution box passing through the lower side of the top plate. When the driving pressing part presses down the distribution box, it can also drive the two clamping parts to approach the center line of the conveying bearing base and clamp the bottom of the distribution box; Two load applying assemblies are symmetrically arranged on two side brackets respectively and the load applying assemblies include a bearing plate, an impact part and a lifting part; The front end of the carrying plate is provided with a front rod and the front rod is slidably matched with the side bracket, the lifting part is provided on the side of the conveying and carrying base and the top is connected to the side of the top plate, the carrying plate is connected to the lifting part and the lifting part can drive the carrying plate to move vertically; The impact part is arranged on the bearing plate and is used to intermittently apply an impact load to the side wall of the distribution box; The impact part is connected to the lifting part, and the impact part pauses to impact the side wall of the distribution box body for a period of time, and the impact part acts on the lifting part and causes the bearing plate to move upward; A scanning unit for laser scanning the side wall of the power distribution box is arranged on the front wall of the front rod.

2. The distribution box mechanical collision test equipment according to claim 1 is characterized in that: The tail of the carrying plate is provided with a rear baffle, and the impact part includes an impact collision head, an impact rod, a spring force measuring part and a force storage driving part; The impact rod slides through the rear baffle and the impact collision head is arranged at the end of the impact rod pointing to the distribution box body, one end of the spring force measuring part is connected to the end of the impact rod away from the impact collision head and the other end is connected to the rear baffle; The power storage driving part is arranged on the side of the rear baffle and is connected to the impact rod; the power storage driving part is used to intermittently drive the impact rod to move toward a side away from the distribution box.

3. The distribution box mechanical collision test equipment according to claim 2 is characterized in that: The impact collision head comprises an impact seat and a collision contact portion. The impact seat is fixed to the end of the impact rod and a plurality of screw rod portions are arranged on the impact seat. The collision contact portion is fastened and matched with the screw rod portion through threads.

4. The distribution box mechanical collision test equipment according to claim 2, characterized in that: The lower side of the impact rod is provided with a rack part, and the power storage driving part includes a power storage shaft and a power storage motor; The power storage shaft is rotatably arranged on the side of the rear baffle and a power storage gear is arranged on the power storage shaft. The power storage gear can mesh with the rack part on the impact rod, and the output end of the power storage motor is connected to one end of the power storage shaft.

5. The distribution box mechanical collision test equipment according to claim 2, characterized in that: The side of the impact rod is provided with a side rack, and the side rack is fixedly connected to the impact rod through a side rod, and the lifting part includes a vertical gear shaft, a vertical screw rod and a downward moving motor; The vertical gear shaft and the top of the vertical screw rod are both rotatably connected to the side of the top plate, the top of the vertical gear shaft is provided with a one-way ratchet transmission part, and the one-way ratchet transmission part and the top of the vertical screw rod are connected through a belt transmission part, and the vertical gear shaft is meshed with the side rack; The vertical screw rod is spirally matched with the bearing plate, and the top of the vertical screw rod is connected to the output end of the downward moving motor arranged on the top plate.

6. The distribution box mechanical collision test equipment according to claim 5, characterized in that: The side wall of the top plate is also provided with a sensing component, and the sensing component includes an external extension seat, a sensing movable rod and a pressure sensing block; The outer extension seat is fixed on the side of the top plate, the sensing movable rod is arranged on the outer extension seat and can slide vertically, a pressure sensing block is arranged at the bottom of the sensing movable rod, and the pressure sensing block is connected to the outer extension seat through a buffer spring part; The pressure sensing block is opposite to the impact rod and the buffer spring part is electrically connected to the downward moving motor.

7. The distribution box mechanical collision test equipment according to any one of claims 1 to 6, characterized in that: The clamping portion includes a clamping plate and at least one upper connecting rod; The clamping plate is arranged above the conveying bearing base and close to the side thereof, and a plurality of semicircular clamping blocks are arranged on the side of the clamping plate facing the distribution box body and connected to the top thereof in a rotation manner, and the plurality of semicircular clamping blocks are distributed at equal intervals; The plane of the semicircular clamping block faces the center line of the conveying bearing base, the lower end of the upper connecting rod is fixedly connected to the clamping plate, and the other end of the upper connecting rod is connected to the driving pressing part.

8. The distribution box mechanical collision test equipment according to claim 7, characterized in that: The driving pressing part comprises a fixed pressing plate, a pressing cylinder and a movable pressing plate; The fixed pressing plate is provided with a guide rod, and the guide rod slides through the top plate, the pressing cylinder is provided on the top plate, and the lower end of the pressing cylinder is connected to the fixed pressing plate; the movable pressing plate is located at the lower side of the fixed pressing plate, and both ends of the movable pressing plate are provided with movable guide rods, the movable guide rod slides through the fixed pressing plate, and the movable pressing plate is connected to the movable pressing plate through a limit spring portion; The top of the upper connecting rod is provided with a movable connecting rod with one end hinged thereto, and the other end of the movable connecting rod is connected to the side of the fixed pressing plate, and the top of the upper connecting rod is also slidably matched with the lower surface of the top plate.

9. The distribution box mechanical collision test equipment according to claim 1, characterized in that: The conveying and bearing base comprises two L-shaped supporting bodies and a plurality of conveying and bearing rollers arranged between the two L-shaped supporting bodies at equal intervals; A conveying drive box is arranged on the side of one of the L-shaped support bodies, and a plurality of conveying bearing rollers are connected to the conveying drive box.

Images