CN113567081A

CN113567081A - Physical load photovoltaic module test equipment

Info

Publication number: CN113567081A
Application number: CN202111104091.XA
Authority: CN
Inventors: 裴骏; 汤海美; 陈景
Original assignee: Jiangsu Linyang Photovoltaic Technology Co ltd
Current assignee: Jiangsu Linyang Photovoltaic Technology Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2021-10-29
Anticipated expiration: 2041-09-22
Also published as: CN113567081B

Abstract

The invention discloses physical load photovoltaic module testing equipment, relates to the technical field of photovoltaic testing equipment, and solves the problems that the existing testing equipment is troublesome and inconvenient to operate because the photovoltaic panel is conveniently disassembled and replaced, and an additional manual frequent switch is required for a shielding mechanism of ice particles. A physical load photovoltaic module testing device comprises a support; the support includes erector strut frame, slope mounting panel, the support is whole to be touched the ground seat by controlling erector strut and bottom I-shaped and welds jointly and form, and the top symmetrical welding of erector strut about wherein has two erector strut frames, and the top of this two erector strut frames props slidable mounting has a rectangle lower charging tray between the board even, and controls the inboard symmetrical welding in top of erector strut and have two slope mounting panels. The blocking frame can block ice particles jumping forwards from the photovoltaic panel, and the ice particles can be further reduced by matching with the shielding plate, so that the subsequent collection and recycling are facilitated.

Description

Physical load photovoltaic module test equipment

Technical Field

The invention relates to the technical field of photovoltaic test equipment, in particular to physical load photovoltaic module test equipment.

Background

Photovoltaic board is mostly installed in the open air, and the service property of outdoor installation has decided that it should have the ability of handling to bad disaster weather, wherein hits the performance including anti hail, and then can use a photovoltaic module's test equipment to come to detect the impact physical load that the hail was applyed on the photovoltaic plate.

For example, patent No. CN201911206155.X discloses solar photovoltaic panel's detection device that shocks resistance, which comprises a substrate, T type spout has all been opened to the relative both sides of base plate top outer wall, and sliding connection has specification looks adaptation slider in the T type spout, slider top outer wall all welds the bracing piece, and the welding of two bracing piece top outer walls has same guide rail, guide rail one side outer wall opens there is the spout, and spout one side inner wall opens there is the tooth's socket, guide rail one side outer wall sliding connection has the installation piece, and installs piece top outer wall and have the motor of marcing through the bolt fastening, the motor output shaft bottom of marcing passes installation piece one side outer wall welding and has the gear of marcing, and marces gear and the meshing in the tooth's socket of marcing. The invention not only increases the adjustability of the ejection direction of the gun barrel, improves the authenticity of the device for simulating the falling of hail in the natural state, but also has arbitrariness and randomness for performing an impact test on the photovoltaic panel, and improves the accuracy of test detection data.

The mechanism optimal design is collected in current test equipment's circulation is not reasonable enough, and is great to the consumption of ice particle when the test operation, can not comparatively abundant collection reuse ice particle, and the ice particle is fallen in the simulation and is easily scattered the jump when assaulting, and extravagant more, need extra manual frequent mechanism implementation switch that shelters from to the ice particle of change in order to dismantle the photovoltaic board in addition, and the operation is comparatively troublesome inconvenient.

Disclosure of Invention

The invention aims to provide physical load photovoltaic module testing equipment to solve the problem that the operation is troublesome and inconvenient in the background technology that the operation is performed by additionally and frequently manually switching on and off a shielding mechanism of ice particles for conveniently disassembling and replacing a photovoltaic panel.

In order to achieve the purpose, the invention provides the following technical scheme: a physical load photovoltaic module testing device comprises a support; the support comprises vertical support frames and inclined mounting plates, the support is integrally formed by welding a left vertical support rod, a right vertical support rod and a bottom I-shaped ground contact seat together, two vertical support frames are symmetrically welded at the top ends of the left vertical support rod and the right vertical support rod, a rectangular lower material tray is slidably mounted between top end support connecting plates of the two vertical support frames, two inclined mounting plates are symmetrically welded at the inner sides of the top ends of the left vertical support rod and the right vertical support rod, and two clamping pieces are symmetrically slidably mounted on the two inclined mounting plates in a threaded pushing mode; the chain comprises a shifting shaft, the chain is rotationally positioned between the left vertical support track shaft and the right vertical support track shaft, the shifting shaft is fixedly arranged on the chain, and the shifting shaft is correspondingly matched with the middle long-strip sliding chute of the sliding plate in an inserting manner; the clamping piece is integrally of a square rod structure, a long clamping groove is concavely formed in the clamping piece, and the photovoltaic panel is clamped and fixed between the two clamping pieces; the feeding hopper comprises a sliding plate, the whole feeding hopper is of a right-angled triangle structure, the bottom of the feeding hopper is rotatably connected with a long sliding plate, a long sliding chute is formed in the middle section of the sliding plate in a penetrating mode, the sliding rings at the left end and the right end of the sliding plate are correspondingly matched with two vertical support track shafts in a sliding mode, the chain can rotate, push and drive the feeding hopper to slide up and down in a reciprocating mode through a shifting shaft, so that material taking from the interior of the feeding hopper and material discharging from the interior of a discharging tray are completed, continuous circulating feeding of ice particles is guaranteed, and continuity of testing operation is guaranteed;

the right end of the rotating shaft at the bottom of the feeding hopper is sleeved with a driving worm wheel; a worm is rotatably arranged above the top end of the left end section of the sliding plate and is in meshing contact with the driving worm wheel, a gear is welded at the front end of the worm, and the gear slides upwards along the feeding hopper and is in meshing contact with the vertical support rack; a rectangular material containing box is arranged at the front side of the bracket in an adjacent position; a material containing box; the material containing box comprises a lower convex trough, a blocking frame and vertical support track shafts, wherein a material gathering cover is welded at the bottom of the material containing box, a rectangular lower convex trough is welded and communicated at the center of the bottom of the material gathering cover, the blocking frame is welded at the vertical support at the top end of the front side wall of the material containing box, a motor is installed at the bottom of the middle of the top end of the blocking frame in a locking mode, and the two vertical support track shafts are symmetrically welded between the bottom plate of the lower convex trough and the middle section of a blocking frame top support connecting plate; the motor comprises a cam, the middle section of the rotating shaft of the motor is welded and sleeved with the cam, and the cam is rotationally positioned in the driving frame; a feeding hopper is slidably sleeved on the two vertical support track shafts, a chain wheel is rotatably arranged on the head end of the motor rotating shaft and the inner wall of the front side of the lower convex trough, and a chain is tightly sleeved between the two chain wheels; the material containing box is positioned at the bottom of the lower end of the photovoltaic panel which is obliquely installed, and a metal fence net is covered and sealed in the blocking frame; the bracket also comprises L-shaped driving rods, four L-shaped driving rods are symmetrically welded on the two inclined mounting plates, and a row of tooth sheets are arranged on the horizontal sections of the head ends of the four L-shaped driving rods; the blanking disc comprises a sliding shaft, a metal screen is covered and blocked on an opening at the bottom of the blanking disc, four sliding shafts are symmetrically welded on the left side and the right side of the blanking disc, the four sliding shafts are correspondingly matched with four vertical support frames in a penetrating and sliding mode, the blanking disc is used for containing ice particles, the blanking disc can slide back and forth in a left-right high-frequency mode to uniformly screen the ice particles in the blanking disc onto the photovoltaic panel, gravity impact of hailstones on the photovoltaic panel when the hailstones fall off is simulated, and physical impact load of the hailstones on the photovoltaic panel is tested; the middle of the front side of the lower material tray is welded and supported with a horizontal convex frame, and the top end of the middle of the horizontal convex frame is vertically welded with a driving frame; the clamping piece comprises shielding plates, and two rectangular shielding plates are rotatably arranged on the two clamping pieces; the driven gears are welded and fixed on the front and rear rotating rings at the bottom of the shielding plate and slide inwards along the two clamping pieces, and the four driven gears are correspondingly in meshing contact with four rows of teeth on the horizontal sections of the L-shaped driving rods; the material containing box also comprises vertical support racks, a left group of longitudinal support connecting rods and a right group of longitudinal support connecting rods are symmetrically welded between the top end sections of the two vertical support track shafts and the blocking frame, and one vertical support rack is welded on one group of longitudinal support connecting rods on the left side in a hanging mode; three long water leaking grooves are formed in the bottom plate of the lower protruding trough in a penetrating mode at equal intervals, metal filter screens are arranged in the three long water leaking grooves in a covering mode, and the ice particle melting water can be filtered out through the three long water leaking grooves in the bottom of the lower protruding trough.

Compared with the prior art, the invention has the beneficial effects that:

1. when the two shielding plates are vertically supported, the photovoltaic panel can shield ice particles falling and impacting on the photovoltaic panel, so that the probability of the ice particles jumping left and right and falling off is greatly reduced, the falling loss of the ice particles is reduced, when the two shielding plates are horizontally opened, the shielding obstacle caused by the disassembly and the assembly of the photovoltaic panel can be avoided, and the photovoltaic panel is convenient to replace;

2. according to the photovoltaic panel, through the power transmission of the L-shaped driving rods at four positions, when the photovoltaic panel is pushed by the threads to slide inside and outside and loosen the photovoltaic panel, the two clamping pieces can be linked, meshed and driven to rotate in the forward and reverse directions by the four driven gears to automatically control the two shield plates to swing and switch between the vertical shielding state and the horizontal opening state, so that the trouble of manually operating the two shield plates by additionally swinging the switch manually is avoided;

3. the blocking frame can block ice particles jumping forwards from the photovoltaic panel, the ice particles can be further reduced by matching with the shielding plate, subsequent collection and recycling are facilitated, the material containing box can contain the ice particles falling off from the photovoltaic panel for repeated secondary utilization, consumption of test operation on the ice particles can be effectively reduced, and the economical efficiency of the test operation is improved;

4. according to the invention, through the power transmission of the cam, when the motor rotationally drives the feeding hopper to slide up and down for feeding, the motor can also be linked to push and drive the left and right high-frequency sieving of the discharging disc, so that an additional driving motor for sieving and discharging matched with the discharging disc is saved, and the manufacturing cost and the power consumption of equipment are reduced;

5. according to the invention, through the power transmission of the vertical support rack, the feeding hopper can be linked and meshed to drive the overturning and inclining (refer to fig. 10) when being conveyed by the chain and placed at the top end of the discharging tray, so that the discharging is automatically implemented, the trouble of manually and frequently overturning the feeding hopper for discharging is eliminated, an additional matched driving motor for the feeding hopper is eliminated, the manufacturing cost of equipment is further reduced, and the market competitiveness is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the rear three-dimensional structure of the present invention;

FIG. 3 is a schematic bottom view of the present invention;

FIG. 4 is a schematic diagram of the half-section internal structure of the material containing box of the invention;

FIG. 5 is a schematic view of a stent structure according to the present invention;

FIG. 6 is a schematic view of a clip construction according to the present invention;

FIG. 7 is a schematic view of the structure of the blanking tray of the present invention;

FIG. 8 is a schematic view of the structure of the feeding hopper of the present invention;

FIG. 9 is an enlarged view of portion B of FIG. 1 according to the present invention;

FIG. 10 is a schematic view of the structure of the upper hopper in an upward sliding state according to the present invention;

FIG. 11 is an enlarged view of portion A of FIG. 10 according to the present invention;

in the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a support; 101. a vertical support frame; 102. an inclined mounting plate; 103. an L-shaped drive rod; 2. discharging a material tray; 201. a slide shaft; 202. a drive frame; 3. a clip; 301. a shutter; 302. a driven gear; 4. a material containing box; 401. a lower convex trough; 402. blocking the frame; 403. vertically supporting the track shaft; 404. a vertical support rack; 5. a chain; 501. a shaft is poked; 6. a motor; 601. a cam; 7. feeding a hopper; 701. a sliding plate; 702. a drive worm gear; 703. a worm; 8. a photovoltaic panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 9, a first embodiment of the present invention: a physical load photovoltaic module testing device comprises a support 1; the support 1 comprises vertical support frames 101 and inclined mounting plates 102, the support 1 is integrally formed by welding a left vertical support rod, a right vertical support rod and a bottom I-shaped contact ground seat together, two vertical support frames 101 are symmetrically welded at the top ends of the left vertical support rod and the right vertical support rod, a rectangular lower material tray 2 is slidably mounted between the top end support connecting plates of the two vertical support frames 101, two inclined mounting plates 102 are symmetrically welded at the inner sides of the top ends of the left vertical support rod and the right vertical support rod, two clamping pieces 3 are symmetrically slidably mounted on the two inclined mounting plates 102 through screw threads, three long water leakage grooves are formed in the bottom plate of the lower material groove 401 at equal intervals in a penetrating mode, and metal filter screens are covered in the three long water leakage grooves;

the blanking disc 2 comprises a sliding shaft 201, the opening at the bottom of the blanking disc 2 is covered and sealed with a metal screen, four sliding shafts 201 are symmetrically welded at the left side and the right side of the blanking disc 2, and the four sliding shafts 201 are correspondingly in sliding fit with four vertical support frames 101; a horizontal convex frame is welded and supported in the middle of the front side of the blanking disc 2, and a driving frame 202 is vertically welded and supported at the top end in the middle of the horizontal convex frame; the clamping piece 3 is integrally of a square rod structure, a long clamping groove is concavely formed in the clamping piece 3, and the photovoltaic panel 8 is clamped and fixed between the two clamping pieces 3; the support 1 further comprises an L-shaped driving rod 103, four L-shaped driving rods 103 are symmetrically welded on the two inclined mounting plates 102, and a row of tooth sheets are arranged on horizontal sections of the head ends of the four L-shaped driving rods 103; a rectangular material containing box 4 is arranged at the front side of the bracket 1 in an adjacent position;

a material containing box 4; the material containing box 4 comprises a lower convex trough 401, a blocking frame 402 and a vertical support track shaft 403, the bottom of the material containing box 4 is welded with a material gathering cover, the center of the bottom of the material gathering cover is welded and communicated with a rectangular lower convex trough 401, the top vertical support of the front side wall of the material containing box 4 is welded with the blocking frame 402, the bottom of the middle of the top end of the blocking frame 402 is provided with a motor 6 in a locking manner, and two vertical support track shafts 403 are symmetrically welded between the bottom plate of the lower convex trough 401 and the middle section of a top support connecting plate of the blocking frame 402; two vertical supporting track shafts 403 are slidably sleeved with a feeding hopper 7, the head end of the rotating shaft of the motor 6 and the inner wall of the front side of the lower convex trough 401 are respectively rotatably provided with a chain wheel, and a chain 5 is tightly sleeved between the two chain wheels.

Further, the clamping members 3 comprise shielding plates 301, two rectangular shielding plates 301 are rotatably mounted on the two clamping members 3, when the two shielding plates 301 are vertically supported, ice particles falling and impacting on the photovoltaic panel 8 can be shielded, the probability that the ice particles jump left and right and fall off is greatly reduced, the falling loss of the ice particles is reduced, subsequent collection and recycling are facilitated, when the two shielding plates 301 are horizontally opened, shielding obstacles caused by disassembly and assembly of the photovoltaic panel 8 can be avoided, and convenience is brought to replacement of the photovoltaic panel 8;

driven gear 302, all welded fastening has a driven gear 302 on two swivels around sunshade 301 bottom, follow two 3 internal sliding of clamping spare, four driven gear 302 correspond with four rows of tooth piece meshing contact on the L form actuating lever 103 horizontal segment of four places, power transmission through L form actuating lever 103 of four places, two clamping spare 3 still can link the meshing when pushed up inside and outside slip elasticity photovoltaic board 8 by the screw thread and drive two sunshade 301 of automatic control of two sunshade 301 positive and negative rotation of four driven gear 302 and erect and shelter from and the level is opened the state and change the switching, this saves the trouble of artifical extra manual pendulum switch operation two sunshade 301.

Further, the material containing box 4 further comprises vertical support racks 404, a left group of longitudinal support connecting rods and a right group of longitudinal support connecting rods are symmetrically welded between the top end sections of the two vertical support track shafts 403 and the blocking frame 402, one vertical support rack 404 is vertically welded on one group of longitudinal support connecting rods on the left side, and the material containing box 4 can contain ice particles which fall off from the photovoltaic panel 8 in an inclined mode for repeated secondary utilization, so that the consumption of test operation on the ice particles can be effectively reduced, and the economical efficiency of the test operation is improved; the material containing box 4 is arranged at the bottom of the lower end of the photovoltaic panel 8 which is installed obliquely, the blocking frame 402 is covered and sealed with a metal fence net, and the blocking frame 402 can block ice particles which jump forwards from the photovoltaic panel 8, so that the falling loss of the ice particles can be further reduced when the blocking frame is used together with the shielding plate 301.

Further, the motor 6 comprises a cam 601, the middle section of the rotating shaft of the motor 6 is welded and sleeved with the cam 601, the cam 601 is rotatably positioned in the driving frame 202, the cam 601 is in pushing fit with the driving frame 202 in a rotating manner, the motor 6 can rotate to drive the lower material tray 2 to perform left and right high-frequency sieving, and further through power transmission of the cam 601, the motor 6 can also be linked to push to drive the lower material tray 2 to perform left and right high-frequency sieving when the feeding hopper 7 is rotationally driven to slide up and down for feeding, so that an additional driving motor for sieving and feeding matched with the lower material tray 2 is omitted, and the manufacturing cost and the power consumption of equipment are reduced; the chain 5 comprises a shifting shaft 501, the chain 5 is rotatably positioned between the left vertical support track shaft 403 and the right vertical support track shaft 403, the shifting shaft 501 is fixedly arranged on the chain 5, and the shifting shaft 501 is correspondingly matched with the middle long sliding groove of the sliding plate 701 in an inserting manner.

Referring to fig. 10 to fig. 11, the present invention provides an embodiment of: the physical load photovoltaic module testing equipment further comprises a feeding hopper 7; the feeding hopper 7 comprises a sliding plate 701, the feeding hopper 7 is integrally in a right-angled triangle structure, the bottom of the feeding hopper is rotatably connected with a long sliding plate 701, a long sliding groove penetrates through the middle section of the sliding plate 701, and sliding rings at the left end and the right end of the sliding plate 701 are correspondingly in sliding fit with two vertical support track shafts 403; a driving worm wheel 702 is sleeved at the right end of a rotating shaft at the bottom of the feeding hopper 7, and the feeding hopper 7 can be driven to turn over and unload materials by screwing a gear at the head end of a worm 703 forwards and backwards through a worm and gear mechanism; the worm 703 is rotatably installed above the top end of the left end section of the sliding plate 701, the worm 703 is in meshing contact with the driving worm wheel 702, a gear is welded at the front end of the worm 703, the gear slides along the feeding hopper 7 to be in meshing contact with the vertical support rack 404, through power transmission of the vertical support rack 404, the feeding hopper 7 can be linked and meshed to drive to overturn and incline (refer to fig. 10) when being conveyed by the chain 5 and placed at the top end of the blanking tray 2, unloading is automatically implemented, the trouble that the feeding hopper 7 is frequently overturned manually to unload materials is omitted, an additional driving motor for the feeding hopper 7 is omitted, the manufacturing cost of equipment is further reduced, and the market competitiveness is improved.

The working principle is as follows: the photovoltaic panel 8 is clamped and fixed between two clamping pieces 3, the two clamping pieces 3 can be linked and meshed to drive four driven gears 302 to rotate forward and backward to automatically control the two shield plates 301 to swing and switch between a vertical shielding state and a horizontal opening state when the photovoltaic panel 8 slides inwards and outwards to tighten the photovoltaic panel 8 due to power transmission of four L-shaped driving rods 103 when being pushed by threads, when the two shield plates 301 are vertically supported, the two shield plates 301 can shield ice particles falling and impacting on the photovoltaic panel 8, the probability that the ice particles jump left and right to fly and fall off is greatly reduced, and when the two shield plates 301 are horizontally opened, shielding obstacles caused by the disassembly and assembly of the photovoltaic panel 8 can be avoided;

the cooperation is pushed away in the rotation through cam 601 and drive frame 202, motor 6 is rotatable to order about charging tray 2 high frequency sieve move, charging tray 2 is used for splendid attire ice particle down, and high frequency reciprocating sliding falls on photovoltaic board 8 with the even sieve of its inside ice particle about charging tray 2, gravity impact when the simulation hail drops photovoltaic board 8, the physical impact load of test hail to photovoltaic board 8, through dial shaft 501, chain 5, motor 6 is rotatable to push away to order about feeding hopper 7 reciprocal sliding from top to bottom and accomplish from 7 inside materials of feeding hopper, down the inside unloading of charging tray 2, guarantee the continuous cycle material loading of ice particle, ensure test operation's continuity.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a physical load photovoltaic module test equipment which characterized in that: a physical load photovoltaic module test device comprises

A support (1); the support (1) comprises vertical support frames (101) and inclined mounting plates (102), the support (1) is integrally formed by welding a left vertical support rod, a right vertical support rod and a bottom I-shaped contact base together, two vertical support frames (101) are symmetrically welded at the top ends of the left vertical support rod and the right vertical support rod, a rectangular lower tray (2) is slidably mounted between the top end support connecting plates of the two vertical support frames (101), two inclined mounting plates (102) are symmetrically welded at the inner sides of the top ends of the left vertical support rod and the right vertical support rod, and two clamping pieces (3) are symmetrically slidably mounted on the two inclined mounting plates (102) in a threaded pushing mode;

the clamping piece (3) is of a square rod structure integrally, a long clamping groove is formed in the clamping piece (3) in an inwards concave mode, and the photovoltaic panel (8) is clamped and fixed between the two clamping pieces (3);

a rectangular material containing box (4) is arranged at the front side of the bracket (1) in an adjacent position;

a material containing box (4); the material containing box (4) comprises a lower convex trough (401), a blocking frame (402) and vertical support rail shafts (403), a material gathering cover is welded at the bottom of the material containing box (4), the center of the bottom of the material gathering cover is welded and communicated with the rectangular lower convex trough (401), the vertical support at the top end of the front side wall of the material containing box (4) is welded with the blocking frame (402), a motor (6) is installed at the bottom of the middle of the top end of the blocking frame (402) in a locking mode, and the two vertical support rail shafts (403) are symmetrically welded between the bottom plate of the lower convex trough (401) and the middle section of a top support connecting plate of the blocking frame (402);

two vertical support track shafts (403) are slidably sleeved with a feeding hopper (7), the head end of a rotating shaft of a motor (6) and the inner wall of the front side of a lower convex trough (401) are respectively and rotatably provided with a chain wheel, and a chain (5) is tightly sleeved between the two chain wheels.

2. The physical load photovoltaic module testing apparatus of claim 1, wherein: the support (1) further comprises L-shaped driving rods (103), four L-shaped driving rods (103) are symmetrically welded on the two inclined mounting plates (102), and a row of tooth sheets are arranged on horizontal sections of the head ends of the four L-shaped driving rods (103).

3. The physical load photovoltaic module testing apparatus of claim 1, wherein: the blanking plate (2) comprises

The opening at the bottom of the blanking disc (2) is covered and plugged with a metal screen, four sliding shafts (201) are symmetrically welded at the left side and the right side of the blanking disc (2), and the four sliding shafts (201) are correspondingly matched with four vertical support frames (101) in a penetrating and sliding manner;

the middle of the front side of the lower tray (2) is welded and supported with a horizontal convex frame, and the top end of the middle of the horizontal convex frame is vertically welded with a driving frame (202).

4. The physical load photovoltaic module testing apparatus of claim 1, wherein: the clip (3) comprises

The shielding plates (301), two rectangular shielding plates (301) are rotatably arranged on the two clamping pieces (3);

driven gear (302), all welded fastening has a driven gear (302) on two swivels around sunshade (301) bottom, follows two fastener (3) internal slipping, and driven gear (302) of four places correspond with four rows of racks meshing contact on the L form drive rod (103) horizontal segment of four places.

5. The physical load photovoltaic module testing apparatus of claim 1, wherein: the material containing box (4) further comprises vertical support racks (404), a left group and a right group of vertical support connecting rods are symmetrically welded between the top end sections of the two vertical support track shafts (403) and the blocking frame (402), and one vertical support rack (404) is welded on one group of vertical support connecting rods on the left side in a hanging mode.

6. The physical load photovoltaic module testing apparatus of claim 1, wherein: three long water leaking grooves are formed in the bottom plate of the lower protruding trough (401) in a penetrating mode at equal intervals, and metal filter screens are arranged in the three long water leaking grooves in a covering mode.

7. The physical load photovoltaic module testing apparatus of claim 1, wherein: the material containing box (4) is positioned at the bottom of the lower end of the photovoltaic panel (8) which is installed in an inclined mode, and a metal fence net covers and is sealed in the blocking frame (402).

8. The physical load photovoltaic module testing apparatus of claim 1, wherein: the motor (6) comprises a cam (601), a position of the cam (601) is welded and sleeved on the middle section of the rotating shaft of the motor (6), and the cam (601) is rotatably positioned in the driving frame (202).

9. The physical load photovoltaic module testing apparatus of claim 1, wherein: the feeding hopper (7) comprises

The whole feeding hopper (7) is of a right-angled triangle structure, the bottom of the feeding hopper is rotatably connected with a long sliding plate (701), a long sliding groove penetrates through the middle section of the sliding plate (701), and sliding rings at the left end and the right end of the sliding plate (701) are correspondingly in sliding fit with two vertical support track shafts (403);

the right end of the rotating shaft at the bottom of the feeding hopper (7) is sleeved with a driving worm wheel (702);

the worm (703) is rotatably arranged above the top end of the left end section of the sliding plate (701), the worm (703) is in meshing contact with the driving worm wheel (702), the front end of the worm (703) is welded with a gear, and the gear slides upwards along the feeding hopper (7) to be in meshing contact with the vertical support rack (404).

10. The physical load photovoltaic module testing apparatus of claim 1, wherein: the chain (5) comprises a shifting shaft (501), the chain (5) is rotatably arranged between the left vertical supporting track shaft and the right vertical supporting track shaft (403), the shifting shaft (501) is fixedly arranged on the chain (5), and the shifting shaft (501) is correspondingly matched with the middle long-strip sliding groove of the sliding plate (701) in an inserting mode.