Front mechanical load test tool for solar thermal collector

Abstract

The utility model belongs to the technical field of heat collector performance test equipment, and provides a front mechanical load test tool for a solar heat collector, which comprises a support frame and a fence frame which are movably connected, the supporting frame comprises a front longitudinal frame and a bottom transverse frame which are fixedly connected, the enclosure frame is arranged in the front longitudinal frame and movably hinged to the front longitudinal frame, and the enclosure frame is provided with a plurality of load screen frames which are evenly distributed at intervals. The front mechanical load test tool for the solar thermal collector provided by the utility model is simple in structure and convenient to use, can reduce the operation difficulty and complexity of the front mechanical load test of the solar thermal collector, and improves the test efficiency and the accuracy of the test result.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of collector performance test equipment, and particularly relates to a solar energy collector front mechanical load test tool. BACKGROUND

[0002] The solar energy collector needs to be tested for pressure resistance, standard stagnation temperature, air exposure, external heat shock, internal heat shock, rain, freeze resistance, mechanical load, impact resistance, thermal performance and pressure drop before leaving the factory to ensure that the collector product meets the standard requirements, and the specific content can be referred to in the relevant content of the national standard GB / T 4271-2021 "Solar Energy Collector Performance Test Method". At present, there is no test device specially used for solar energy collector load test, and the collector needs to be placed horizontally during the test, and a surrounding frame with a height sufficient to accommodate the required gravel, sand or water is covered on the surface of the collector. During this process, the solar energy collector needs to be placed horizontally, which increases the difficulty and complexity of the test operation, and for some collectors, even on-site disassembly is required to make it horizontally placed, which seriously affects the efficiency of the test. In addition, the surrounding frame needs to be placed on the surface of the collector again for each front mechanical load test, which increases the labor intensity of the test personnel and is not conducive to the efficient performance of the test.

[0003] Therefore, it is necessary to design a solar energy collector front mechanical load test tool that can at least solve some of the above problems and defects. SUMMARY

[0004] The utility model discloses to solve the above technical problem, and a kind of solar energy collector front mechanical load test tool is presented, and structure is simple and convenient to use, can reduce the operation difficulty and complexity of solar energy collector front mechanical load test, improve test efficiency and the accuracy of test result.

[0005] The technical scheme of the utility model is:

[0006] The utility model presents a kind of solar energy collector front mechanical load test tool, including the support frame and the surrounding frame of movable connection;

[0007] The support frame includes the front longitudinal frame and the bottom horizontal frame of fixed connection, and the surrounding frame is arranged in the front longitudinal frame and is movably hinged with the front longitudinal frame, and the surrounding frame is provided with a plurality of uniformly spaced load net frames.

[0008] Preferably, the bottom horizontal frame is provided with a plurality of spaced bottom support seats;

[0009] The bottom support base comprises a leg seat provided with a supporting leg movably connected with the bottom horizontal frame, and / or the bottom support base comprises a wheel seat movably connected with the bottom horizontal frame, and the wheel seat is provided with walking wheels for movement.

[0010] Preferably, the front longitudinal frame is provided with a hand wheel fixedly arranged on the outer side of the front longitudinal frame, a pulley block connected with the front longitudinal frame, and a cable arranged around the pulley block.

[0011] The pulley block is located directly above the enclosing frame, the enclosing frame is provided with at least one lifting lug at the top, one end of the cable is fixedly connected with the hand wheel, and the other end is fixedly connected with the lifting lug.

[0012] Preferably, the front longitudinal frame comprises a test area at the bottom and a suspension area at the top, the enclosing frame is movably arranged in the test area, and the pulley block is fixedly arranged in the suspension area.

[0013] Preferably, the support frame further comprises a side rib frame connected with the front longitudinal frame and the bottom horizontal frame, and the side rib frame is provided with two and symmetrically arranged on the left and right sides of the front longitudinal frame and the bottom horizontal frame.

[0014] Preferably, the front longitudinal frame, the bottom horizontal frame and the side rib frame are connected in an integral structure.

[0015] Preferably, the bottom horizontal frame is provided with a load-bearing cavity near the rear end side, and a cover plate movably arranged above the load-bearing cavity, and the cover plate is movably hinged with the bottom horizontal frame.

[0016] Compared with the prior art, the utility model has the following advantages and effects:

[0017] (1) The support frame and the enclosing frame are movably connected, in the test process, only need to rotate to adjust the inclination angle of the enclosing frame, so that it is parallel to the surface of the solar collector to be measured, which reduces the complexity and difficulty of the test operation, improves the test efficiency, and can adapt to different types of collectors, only needs to adjust the inclination angle of the enclosing frame as needed, and has high practicability and wide application range.

[0018] (2) The enclosing frame is provided with a plurality of uniformly spaced load net frames, in the test process, only need to place a plurality of independent loads such as sand bags and gravel bags in the load net frame, so as to ensure that the surface of the collector bears pressure comprehensively and uniformly, improve the operation efficiency of the test and the accuracy of the test result.

[0019] (3) the bottom support seat arranged at the bottom of the bottom horizontal frame, the bottom support seat comprises a leg seat and / or a wheel seat, on the one hand, the stability of the overall support frame during the test process is ensured, the sliding displacement phenomenon is avoided, thereby the test process and the test result are avoided to be influenced, on the other hand, the overall test tooling can be moved and carried after the test is completed, and the labor intensity is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of the solar energy collector front mechanical load test tooling in the embodiment of the utility model.

[0021] Figure 2 It is Figure 1 the enlarged structure schematic view of position A in the embodiment of the utility model.

[0022] Figure 3 It is another structure schematic view of the solar energy collector front mechanical load test tooling in the embodiment of the utility model.

[0023] Reference signs: 1, front longitudinal frame;11, test area;12, suspension area;2, bottom horizontal frame;21, cover plate;3, fence frame;31, load net frame;32, lifting lug;4, leg seat;5, wheel seat;6, hand wheel;7, pulley block;8, cable;9, side rib rack. DETAILED DESCRIPTION

[0024] In order to make the person skilled in the art better understand the utility model, the utility model will be further described in conjunction with specific embodiments. It should be understood that the specific embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0025] Embodiment:

[0026] As Figures 1-3 shown, the utility model provides a kind of solar energy collector front mechanical load test tooling, including support frame and fence frame 3 of movable connection, only need to adjust the inclination angle of fence frame 3 during test process, make it with collector front parallel paste connection.

[0027] Reference Figure 3As shown, the support frame comprises a front longitudinal frame 1 and a bottom horizontal frame 2 fixedly connected, and in this embodiment, the front longitudinal frame 1 and the bottom horizontal frame 2 are vertically fixedly connected. The support frame further comprises side rib frames 9 connected to the front longitudinal frame 1 and the bottom horizontal frame 2. The side rib frames 9 are provided with two and symmetrically distributed on the left and right sides of the front longitudinal frame 1 and the bottom horizontal frame 2, so as to support the front longitudinal frame 1 and the bottom horizontal frame 2, improve the stability and reliability of the overall support frame, and further, the two ends of the side rib frame 9 are respectively connected to the top end of the front longitudinal frame 1 and the rear end of the bottom horizontal frame 2, so as to form a stable triangular support structure.

[0028] Optionally, in some embodiments, the front longitudinal frame 1, the bottom horizontal frame 2, and the side rib frame 9 are connected in an integrated structure.

[0029] As shown in Figure 3 , the bottom horizontal frame 2 is provided with a load cavity (not shown in the figure) near the rear end side thereof and a cover plate 21 movably hinged to the bottom horizontal frame 2 above the load cavity. The load cavity is used to place a weight to maintain the stability of the support frame and avoid the support frame from tilting forward during the test.

[0030] As shown in Figure 1 and Figure 2 , the bottom horizontal frame 2 is provided with four bottom support seats spaced apart at the bottom. The bottom support seat comprises a leg seat 4 and a wheel seat 5. The leg seat 4 is provided with a supporting leg movably connected to the bottom horizontal frame 2, so as to change the vertical height between the bottom horizontal frame 2 and the ground by adjusting the length of the supporting leg. Specifically, as shown in Figure 2 , the supporting leg is screw-connected to the bottom horizontal frame 2, and the length of the supporting leg protruding from the bottom horizontal frame 2 can be adjusted by rotating the supporting leg. The wheel seat 5 is movably connected to the bottom horizontal frame 2, and the wheel seat 5 is provided with a walking wheel for movement, so as to facilitate the overall movement and carrying of the support frame.

[0031] As shown in Figure 1 and Figure 3As shown, the enclosing frame 3 is arranged in the front longitudinal frame 1 and is movably connected with the front longitudinal frame 1 to make the enclosing frame 3 parallel to the front surface of the collector by changing the inclination angle of the enclosing frame 3, further, the connecting shaft of the enclosing frame 3 and the front longitudinal frame 1 is arranged close to the bottom of the front longitudinal frame 1, thereby reducing the adjustment difficulty of the enclosing frame 3 parallel to the front surface of the collector, the enclosing frame 3 is provided with a plurality of load net frames 31 which are uniformly distributed, so that the test load (such as gravel bag, sand bag or water bag, etc.) can be added to the load net frame 31 to be uniformly distributed in the whole front surface area of the collector, thereby providing the required front surface pressure load of the test, it should be noted that in the specific test process, the test load is provided with different load coefficients and load capacities, such as gravel bags or sand bags with different capacities, to provide different front surface pressure loads required by the test, in addition, the specific test conditions and test methods can refer to the related contents of 12 mechanical load in GB / T 4271-2021 "Solar Collector Performance Test Method", which will not be repeated here.

[0032] Reference Figure 3 As shown, the solar collector front mechanical load test tool provided by the utility model further comprises a hand wheel 6 fixedly arranged outside the front longitudinal frame 1, a pulley block 7 connected with the front longitudinal frame 1, and a cable 8 wound on the pulley block 7, the pulley block 7 is located directly above the enclosing frame 3, at least one lifting lug 32 is arranged at the top of the enclosing frame 3, one end of the cable 8 is fixedly connected with the lifting lug 32, and the other end is fixedly connected with the hand wheel 6, the length of the cable 8 is changed by rotating the hand wheel 6 to adjust the inclination angle of the enclosing frame 3, in the embodiment, two lifting lugs 32 are arranged, two cables 8 are correspondingly arranged and one end of each cable 8 is fixedly connected with the two lifting lugs 32 respectively, and the other end of each of the two cables 8 is fixedly connected with the hand wheel 6.

[0033] Further, the front longitudinal frame 1 comprises a test area 11 located at the bottom and a suspension area 12 located at the top, the enclosing frame 3 is movably arranged in the test area 11, and the pulley block 7 is fixedly arranged in the suspension area 12, it should be noted that the pulley block 7 is provided with a plurality of pulleys, and the number of pulleys and the specific arrangement position of the pulleys can be set according to actual needs to ensure the smooth and stable operation of the cable 8, and the specific structure and principle of the hand wheel 6 are also known to those skilled in the art, since it is a mature technical means in the art, which will not be described in detail here.

[0034] In summary, the solar collector front mechanical load test tool provided by the utility model has the advantages of simple structure, convenient use, low operation difficulty and complexity of the solar collector front mechanical load test, high test efficiency and high accuracy of test results.

[0035] The above are only preferred embodiments of the present application, and do not limit the patent range of the present application, and any equivalent changes and modifications made within the scope of the present application shall still fall within the scope of the present application.

Claims

1. A testing fixture for the front mechanical load of a solar collector, characterized in that: Including the support frame for movable connection and the enclosure frame (3); The support frame includes a front longitudinal frame (1) and a bottom transverse frame (2) that are fixedly connected. The enclosure frame (3) is located inside the front longitudinal frame (1) and is movably hinged to the front longitudinal frame (1). The enclosure frame (3) is provided with a number of uniformly spaced load mesh frames (31).

2. The testing fixture for the front mechanical load of a solar collector according to claim 1, characterized in that: The bottom of the bottom horizontal frame (2) is provided with several spaced bottom support seats; The bottom support includes a leg seat (4), which is provided with a support leg that is movably connected to the bottom cross frame (2), and / or the bottom support includes a wheel seat (5) that is movably connected to the bottom cross frame (2), which is provided with a walking wheel for movement.

3. The testing fixture for the front mechanical load of a solar collector according to claim 1, characterized in that: It also includes a handwheel (6) fixedly installed on the outside of the front longitudinal frame (1), a pulley block (7) connected to the front longitudinal frame (1), and a cable (8) wound on the pulley block (7). The pulley block (7) is located directly above the enclosure frame (3). At least one lifting lug (32) is provided on the top of the enclosure frame (3). One end of the cable (8) is fixedly connected to the handwheel (6), and the other end is fixedly connected to the lifting lug (32).

4. The testing fixture for the front mechanical load of a solar collector according to claim 3, characterized in that: The front longitudinal frame (1) includes a test area (11) at its bottom and a suspension area (12) at its top. The enclosure frame (3) is movably disposed in the test area (11), and the pulley block (7) is fixedly disposed in the suspension area (12).

5. The testing fixture for the front mechanical load of a solar collector according to claim 1, characterized in that: The support frame also includes side ribs (9) that are connected to both the front longitudinal frame (1) and the bottom transverse frame (2). There are two side ribs (9) that are symmetrically distributed on the left and right sides of the front longitudinal frame (1) and the bottom transverse frame (2).

6. The testing fixture for the front mechanical load of a solar collector according to claim 5, characterized in that: The front longitudinal frame (1), the bottom transverse frame (2), and the side ribs (9) are connected in an integrated structure.

7. The testing fixture for the front mechanical load of a solar collector according to claim 1, characterized in that: The bottom horizontal frame (2) has a load-bearing cavity and a cover plate (21) that is movably installed on the top of the load-bearing cavity near its rear end. The cover plate (21) is movably hinged to the bottom horizontal frame (2).

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