Hoisting device for electromagnetic irradiation test
By designing a lifting device that can adjustable pillars and quickly connect the lifting unit, the problem of the lifting device being immovable and inability to use outdoors in the prior art is solved, and the rapid folding and unfolding of the lifting device is realized, which is suitable for outdoor electromagnetic irradiation tests.
Patent Information
- Application Number
- CN202411859481.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-03-25
AI Technical Summary
In the prior art, the hoisting device for horizontal polarization electromagnetic pulse source test is not movable and cannot be easily stored, transported and deployed outdoors.
A lifting device including a suspension frame unit, a pillar and a lifting unit is designed. The support columns can change the distance between the suspension frame unit and the ground by adjusting the length. The lifting unit can be quickly connected and separated from the suspension frame unit, and the rolling unit and the track unit are used to adjust the horizontal orientation of the horizontal polarized electromagnetic pulse source.
It realizes the rapid folding and unfolding of the lifting device, is suitable for outdoor use, and flexibly adjusts the maximum lifting height of the horizontal polarized electromagnetic pulse source for easy transportation and assembly.
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Figure CN119683469A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of electromagnetic radiation, and in particular relates to a hoisting device used for electromagnetic irradiation test. Background Art
[0002] In order to evaluate the anti-interference ability of electronic equipment (such as mobile communication base stations) in a horizontally polarized electromagnetic pulse environment, it is necessary to conduct a horizontally polarized electromagnetic pulse irradiation test outdoors. Through this test, we can understand whether the electronic equipment can work normally under the interference of horizontally polarized electromagnetic pulses. If the electronic equipment cannot resist this interference, communication interruption, system failure, etc. may occur.
[0003] At present, most of the tests on horizontally polarized electromagnetic pulse sources at home and abroad are carried out indoors and use an immovable lifting method, which makes it impossible to carry out tests on outdoor targets that are inconvenient to move or fixed. Another test team directly uses a wheeled crane to lift the pulse source, but the irradiation test may damage the electronic equipment of the crane, which is a dangerous operation.
[0004] Therefore, there is an urgent need for a hoisting device for electromagnetic irradiation testing to change the situation that the hoisting device for horizontal polarization electromagnetic pulse source testing in the prior art is immovable and cannot be easily stored, transported, deployed and used outdoors. Summary of the invention
[0005] In view of the above analysis, an embodiment of the present invention aims to provide a hoisting device for electromagnetic irradiation testing, so as to solve the problem that the hoisting device for horizontally polarized electromagnetic pulse source testing in the prior art is immovable and cannot be easily stored, transported, deployed and used outdoors.
[0006] The purpose of the present invention is mainly achieved through the following technical solutions:
[0007] A hanging device for electromagnetic irradiation test comprises a suspension frame unit, a support column and a lifting unit, wherein the support column and the lifting unit can be connected to the suspension frame unit respectively, the support column is used to support the suspension frame unit, the suspension frame unit is used to hang the lifting unit, and the lifting unit is used to hang a horizontally polarized electromagnetic pulse source, and the horizontally polarized electromagnetic pulse source irradiates a target.
[0008] Furthermore, there are multiple pillars.
[0009] Furthermore, the pillar includes a first short pillar and a second short pillar. By increasing or decreasing the number of the second short pillars, the total length of the pillar can be adjusted, thereby changing the distance between the suspension frame unit and the ground.
[0010] Furthermore, the lifting unit includes a crane and a hook, the hook is connected to the crane, the crane can pull up the hook, and the hook is used to connect to the horizontally polarized electromagnetic pulse source.
[0011] Furthermore, the lifting unit also includes connecting rings, which are all connected to the crane and are used to connect to the suspension frame unit.
[0012] Furthermore, it also includes a rolling unit and a track unit, the rolling unit is connected to the support column, and the rolling unit can slide on the track unit.
[0013] Furthermore, the rolling unit includes a rotating wheel frame and a rotating wheel assembly. The rotating wheel frame can be plugged into the support column, and the rotating wheel assembly is arranged on the rotating wheel frame.
[0014] Furthermore, the track unit includes a first track component and a second track component. The first track component and the second track component have the same structure and are arranged in parallel to form a double-track structure.
[0015] Furthermore, the first track assembly includes a first section and a second section, the first section and the second section have the same structure, and the total length of the track unit can be adjusted by increasing or decreasing the number of the second sections.
[0016] Furthermore, the first section includes a slide rail portion and a support portion, the slide rail portion can be connected to the rotating wheel assembly, and the support portion is used for grounding and supporting the slide rail portion.
[0017] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:
[0018] (1) The first connecting assembly and the second connecting assembly of the hanging device of the present invention can be quickly folded and unfolded without the aid of tools, so that the hanging frame unit can be quickly folded and unfolded. The hanging device of the present invention can be easily stored, transported and deployed, and is suitable for outdoor use;
[0019] (2) When the first connecting assembly of the lifting device of the present invention is unfolded, the second cross beam can be connected with the locking protrusion, and the locking protrusion is pressed into the locking box by the extrusion inclined surface. After the second cross beam passes over the extrusion inclined surface, the locking protrusion can pop out from the locking box, thereby connecting and locking the second cross beam with the locking plate, so that the first connecting assembly remains in the unfolded state, ensuring the rigid connection between the first bracket and the second bracket; the second connecting assembly can open the first bracket and the second bracket, so that the suspension frame unit of the lifting device remains in the unfolded state;
[0020] (3) The pillars of the hoisting device of the present invention include a first short pillar and a second short pillar. By increasing or decreasing the number of the second short pillars, the total length of the pillars can be adjusted, thereby changing the distance between the suspension frame unit and the ground, thereby flexibly adjusting the maximum lifting height of the horizontally polarized electromagnetic pulse source, which is convenient for outdoor use of the hoisting device of this embodiment;
[0021] (4) The lifting unit of the lifting device of the present invention can be connected to the suspension frame unit through a connecting ring, and can also be separated from the suspension frame unit. The suspension frame unit and the lifting unit can be transported separately and assembled at the destination, which further facilitates the outdoor use of the lifting device of this embodiment;
[0022] (5) The rolling unit of the hoisting device of the present invention can slide on the track unit, so that the horizontal position of the horizontally polarized electromagnetic pulse source can be adjusted; the track unit includes a first track component and a second track component, the first track component and the second track component are arranged in parallel to form a double-track structure, which can stably carry the hanger unit, the support and the lifting unit; the first track component includes a first section and a second section, and the total length of the track unit can be adjusted by increasing or decreasing the number of the second section, so that the horizontal position of the horizontally polarized electromagnetic pulse source can be flexibly adjusted;
[0023] (6) The sleeper plate of the lifting device of the present invention serves as a sleeper, which increases the ground contact area of the track unit; the sleeper plate shaft is connected to the sleeper plate groove, and the sleeper plate can rotate around the sleeper plate shaft, so that the sleeper plate can be unfolded from the sleeper plate groove or stored into the sleeper plate groove, which facilitates the storage and installation of the lifting device of this embodiment.
[0024] In the present invention, the above-mentioned technical solutions can be combined with each other to achieve more preferred combination solutions. Other features and advantages of the present invention will be described in the following content, and some advantages can become obvious from the description or be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained through the contents particularly pointed out in the text and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] The drawings are only for the purpose of illustrating particular embodiments and are not to be considered limiting of the present invention. Like reference symbols denote like components throughout the drawings.
[0026] Figure 1 It is a schematic diagram of the overall structure of the lifting device of the present invention;
[0027] Figure 2 It is a schematic diagram of the overall structure of the suspension frame unit;
[0028] Figure 3 is a schematic diagram of the overall structure of the first connecting component;
[0029] Figure 4 is a schematic diagram of a longitudinal section structure of a second connecting component;
[0030] Figure 5 It is the overall structural schematic diagram of the lifting unit;
[0031] Figure 6 It is the overall structural schematic diagram of the rolling unit;
[0032] Figure 7 It is a schematic diagram of the overall structure of the first section and the sleeper unit;
[0033] Figure 8 Schematic diagram of the exploded structure of the first section and the sleeper unit.
[0034] Reference numerals:
[0035] 1-suspension frame unit; 2-pillar; 3-lifting unit; 4-rolling unit; 5-track unit; 6-sleeper unit; 11-bracket assembly; 12-first connecting assembly; 13-second connecting assembly; 14-suspension assembly; 31-crane; 32-hook; 33-connecting ring; 41-wheel frame; 42-first rotating wheel; 43-second rotating wheel; 51-slide rail; 52-supporting part; 53-sleeper plate groove; 54-plug-in groove; 55-plug-in hole; 56-first sleeper plate groove hole; 61-sleeper plate; 62-sleeper plate shaft; 63-plug-in Bump; 64-first bump groove; 65-insertion bump spring; 66-limiting bump; 67-second bump groove; 68-limiting bump spring; 111-inclined support rod; 112-first cross bar; 113-second cross bar; 121-first cross beam; 122-second cross beam; 123-adapter pin; 124-locking plate; 125-locking box; 126-locking bump; 127-bump rod; 131-first connecting rod; 132-second connecting rod; 133-third connecting rod; 134-push column; 135-push column spring; 136-pin shaft. DETAILED DESCRIPTION
[0036] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.
[0037] A specific embodiment of the present invention, as Figure 1 As shown, a hanging device for electromagnetic irradiation test (hereinafter referred to as the hanging device) is disclosed, including a suspension frame unit 1, a support column 2 and a lifting unit 3, the support column 2 and the lifting unit 3 can be connected to the suspension frame unit 1 respectively, the support column 2 is used to support the suspension frame unit 1, the suspension frame unit 1 is used to hang the lifting unit 3, and the lifting unit 3 is used to hang a horizontally polarized electromagnetic pulse source so that the horizontally polarized electromagnetic pulse source irradiates the target.
[0038] Preferably, if Figure 2As shown, in order to facilitate storage and quick deployment of the suspension frame unit 1 outdoors, the suspension frame unit 1 is a foldable suspension frame unit. The suspension frame unit 1 includes a bracket assembly 11, a first connecting assembly 12 and a second connecting assembly 13, and the first connecting assembly 12 and the second connecting assembly 13 are both arranged on the bracket assembly 11. The bracket assembly 11 includes a first bracket and a second bracket, and the first connecting assembly 12 and the second connecting assembly 13 are both used to connect the first bracket and the second bracket.
[0039] Preferably, the first bracket and the second bracket have the same structure. The first bracket and the second bracket both include an oblique support rod 111 and a first cross bar 112, and the two oblique support rods 111 and the first cross bar 112 are connected to each other to form a triangular structure. The first cross bar 112 is used to connect the first connecting assembly 12.
[0040] Preferably, if Figure 3 As shown, the first crossbar 112 is a cylinder, and the first connecting assembly 12 is connected to the first crossbar 112 and can rotate around the first crossbar 112. The first connecting assembly 12 includes a first crossbeam 121 and a second crossbeam 122, and one end of the first crossbeam 121 and one end of the second crossbeam 122 are hinged through a transfer pin 123. The first crossbeam 121 and the second crossbeam 122 can both rotate around the transfer pin 123, so that the first crossbeam 121 and the second crossbeam 122 are folded; the other end of the first crossbeam 121 is rotatably connected to the first crossbar 112 of the first bracket, and the other end of the second crossbeam 122 is rotatably connected to the first crossbar 112 of the second bracket. When the first crossbeam 121 and the second crossbeam 122 rotate around the transfer pin 123, the first connection assembly 12 can be folded, and the first bracket and the second bracket can be connected to each other, so that the suspension frame unit 1 can be folded; when the first crossbeam 121 and the second crossbeam 122 rotate in opposite directions around the transfer pin 123, the first connection assembly 12 is unfolded, and the first bracket and the second bracket can be separated from each other, so that the suspension frame unit 1 can be unfolded. After the suspension frame unit 1 is folded, the occupied space is reduced, so that the suspension frame unit 1 of this embodiment is easy to store and unfold.
[0041] Preferably, the first connecting assembly 12 further comprises a crossbar locking mechanism, which is used to fix the positions of the first crossbeam 121 and the second crossbeam 122, prevent the first crossbeam 121 and the second crossbeam 122 from rotating around the transfer pin 123, and ensure the rigid connection between the first bracket and the second bracket after the bracket assembly 11 is unfolded. The crossbar locking mechanism comprises a locking plate 124, a locking box 125, a locking protrusion 126 and a locking protrusion spring (not shown in the figure), the locking plate 124 is arranged on the first crossbeam 121, the locking box 125 is arranged on the locking plate 124, and the locking protrusion 126 and the locking protrusion spring are both arranged on the locking box 125. The locking protrusion 126 can be retracted into the locking box 125, and can also be ejected from the locking box 125, and the locking protrusion spring is used to eject the locking protrusion 126 from the locking box 125. The locking protrusion 126 includes an extrusion slope. When the first connecting component 12 is unfolded, the second cross beam 122 can be connected to the locking protrusion 126 and press the locking protrusion 126 through the extrusion slope, so that the locking protrusion 126 is retracted into the locking box 125. After the second cross beam 122 passes over the extrusion slope, the locking protrusion 126 can pop out from the locking box 125, thereby connecting and locking the second cross beam 122 to the locking plate 124, so that the first connecting component 12 remains in the unfolded state, ensuring the rigid connection between the first bracket and the second bracket.
[0042] Preferably, there are two second cross beams 122, which are respectively arranged on both sides of the first cross beam 121, and there are two locking protrusions 126, which are respectively arranged on both sides of the locking box 125. After the first connecting component 12 is unfolded and locked, the first cross beam 121 and the second cross beam 122 are in the same plane, thereby improving the rigidity of the connection between the first bracket and the second bracket and preventing the first bracket and the second bracket from twisting in the longitudinal direction.
[0043] Preferably, the crossbar locking mechanism further includes a locking protrusion lever 37, which is connected to the locking protrusion 126 and passes through the locking plate 124. There are two locking protrusion levers 37, and the two locking protrusion levers 37 are moved toward each other to drive the two locking protrusions 126 to retract into the locking box 125, thereby unlocking the second crossbar 122 and allowing the first connecting assembly 12 to be folded.
[0044] Preferably, if Figure 4As shown, the second connecting component 13 includes a first connecting rod 131, a second connecting rod 132 and a third connecting rod 133. One end of the first connecting rod 131 is hinged to one end of the second connecting rod 132, and the first connecting rod 131 and the second connecting rod 132 can rotate around the hinge axis, so that the second connecting component 13 is folded or unfolded; the other end of the first connecting rod 131 is connected to the first bracket, the other end of the second connecting rod 132 is connected to the second bracket, one end of the third connecting rod 133 is movably connected to the first connecting rod 131, and the other end of the third connecting rod 133 can be connected to the second connecting rod, and the third connecting rod 133 is used to maintain the unfolded state of the first connecting rod 131 and the second connecting rod 132.
[0045] Preferably, the second connecting assembly 13 further includes a push column 134, a push column spring 135 and a pin 136. A push column slot is provided on the second connecting rod 132. The push column 134 and the push column spring 135 are both arranged in the push column slot. One end of the push column spring 135 is connected to the push column 134, and the other end of the push column spring 135 is connected to the push column slot. The push column spring 135 is used to make the push column 134 move along the push column slot in a direction away from the push column spring 135. The other end of the third connecting rod 133 can be hinged to the push column 134 through the pin 136. The push column 134 pushes the third connecting rod 133 under the push of the push column spring 135, so that the first connecting rod 131 and the second connecting rod 132 remain unfolded. The second connecting assembly 13 of the hoisting device in this embodiment can open the first bracket and the second bracket. The second connecting assembly 13 enables the first bracket and the second bracket of the hoisting device in this embodiment to remain away from each other, so that the suspension frame unit 1 remains in an open state.
[0046] Preferably, if Figure 2 As shown, the first bracket further includes a second crossbar 113, and both ends of the second crossbar 113 are respectively connected to the two oblique support rods 111. The suspension frame unit 1 further includes a suspension component 14, and the suspension component 14 is arranged on the second crossbar 113.
[0047] Preferably, the suspension component 14 is a hook.
[0048] Preferably, if Figure 1 As shown, there are four pillars 2, which are respectively connected to the oblique support rods 111, so that the suspension frame unit 1 is away from the ground.
[0049] Preferably, the pillar 2 includes a first short pillar and a second short pillar (not shown in the figure). By increasing or decreasing the number of the second short pillars, the total length of the pillar 2 can be adjusted, thereby changing the distance between the suspension frame unit 1 and the ground, thereby flexibly adjusting the maximum lifting height of the horizontally polarized electromagnetic pulse source, thereby facilitating the outdoor use of the lifting device of this embodiment.
[0050] Preferably, if Figure 5As shown, the lifting unit 3 includes a crane 31, a hook 32 and a connecting ring 33. The hook 32 and the connecting ring 33 are both connected to the crane 31. The crane 31 can pull up the hook 32. The hook 32 is used to connect the horizontally polarized electromagnetic pulse source. The connecting ring 33 is used to connect to the suspension assembly 14. The lifting unit 3 of the lifting device of this embodiment can be connected to the suspension frame unit 1 through the connecting ring 33, and can also be separated from the suspension frame unit 1. The suspension frame unit 1 and the lifting unit 3 can be transported separately and assembled at the destination, which further facilitates the outdoor use of the lifting device of this embodiment.
[0051] Compared with the prior art, when the first connecting component 12 of the lifting device of this embodiment is unfolded, the second cross beam 122 can be connected with the locking protrusion 126, and the locking protrusion 126 is pressed into the locking box 125 by the extrusion slope. After the second cross beam 122 passes over the extrusion slope, the locking protrusion 126 can pop out from the locking box 125, thereby connecting and locking the second cross beam 122 with the locking plate 124, so that the first connecting component 12 remains in the unfolded state, ensuring the rigid connection between the first bracket and the second bracket; the second connecting component 13 can open the first bracket and the second bracket, so that the suspension frame unit 1 of the lifting device of this embodiment remains in the unfolded state; the first connecting component 12 and the second connecting component 13 can both be quickly folded and Unfold, so that the suspension frame unit 1 can be quickly folded and unfolded. The lifting device of this embodiment can be easily stored, transported and deployed, and is suitable for outdoor use; the pillar 2 includes a first short pillar and a second short pillar. By increasing or decreasing the number of the second short pillars, the total length of the pillar 2 can be adjusted, thereby changing the distance between the suspension frame unit 1 and the ground, thereby flexibly adjusting the maximum lifting height of the horizontally polarized electromagnetic pulse source, which is convenient for the outdoor use of the lifting device of this embodiment; the lifting unit 3 of the lifting device of this embodiment can be connected to the suspension frame unit 1 through the connecting ring 33, and can also be separated from the suspension frame unit 1. The suspension frame unit 1 and the lifting unit 3 can be transported separately and assembled at the destination, which further facilitates the outdoor use of the lifting device of this embodiment.
[0052] Example 2
[0053] Another specific embodiment of the present invention, as Figure 1 As shown, a rolling unit 4 and a track unit 5 are added on the basis of Example 1, and the rolling unit 4 can slide on the track unit 5, so that the horizontal position of the horizontally polarized electromagnetic pulse source can be adjusted.
[0054] Preferably, if Figure 6 As shown, the rolling unit 4 includes a rotating wheel frame 41 and a rotating wheel assembly. The rotating wheel frame 41 can be plugged into the support column 2, and the rotating wheel assembly is arranged on the rotating wheel frame 41.
[0055] Preferably, if Figure 7As shown, the track unit 5 includes a first track assembly and a second track assembly. The first track assembly and the second track assembly have the same structure and are arranged in parallel to form a double-track structure, which can stably support the hanger unit 1, the support column 2 and the lifting unit 3.
[0056] Preferably, the first track assembly includes a first section and a second section, the first section and the second section have the same structure, and the total length of the track unit 5 can be adjusted by increasing or decreasing the number of second sections, so that the horizontal orientation of the horizontally polarized electromagnetic pulse source can be flexibly adjusted.
[0057] Preferably, the first section includes a slide rail portion 51 and a support portion 52 . The slide rail portion 51 can be connected to the rotating wheel assembly, and the rolling unit 4 can slide along the slide rail portion 51 . The support portion 52 is used for grounding and supporting the slide rail portion 51 .
[0058] Preferably, if Figure 6 and Figure 7 As shown, the wheel assembly includes a first wheel 42 and a second wheel 43, and the first wheel 42 and the second wheel 43 are respectively rotatably connected to the wheel frame 41, and the two end surfaces of the slide rail portion 51 can be respectively connected to the first wheel 42 and the second wheel 43, and the first wheel 42 and the second wheel 43 can prevent the rolling unit 4 from rotating in the circumferential direction of the slide rail portion 51, thereby preventing the pillar 2 from falling to the ground.
[0059] Preferably, if Figure 1 As shown, in order to increase the ground contact area of the track unit 5 and connect the first track assembly and the second track assembly, the lifting device of this embodiment further includes a sleeper unit 6.
[0060] In some optional embodiments, such as Figure 7 and Figure 8 As shown, the sleeper unit 6 is a sleeper plate 61 , both ends of which can be connected to two track units 5 respectively. The sleeper plate 61 serves as a sleeper, increasing the ground contact area of the track unit 5 .
[0061] In some optional embodiments, such as Figure 7 and Figure 8 As shown, the sleeper unit 6 includes a sleeper plate 61. The first track assembly also includes a sleeper plate groove 53, and the sleeper plate 61 can be connected to the sleeper plate groove 53 and received in the sleeper plate groove 53.
[0062] Preferably, in order to be able to unfold and store the sleeper plate 61, the sleeper unit 6 also includes a sleeper plate shaft 62, which is arranged at one end of the sleeper plate 61, and the sleeper plate shaft 62 is connected to the sleeper plate groove 53. The sleeper plate 61 can rotate around the sleeper plate shaft 62, so that the sleeper plate 61 can be unfolded from the sleeper plate groove 53 or stored into the sleeper plate groove 53, which facilitates the storage and installation of the lifting device of this embodiment.
[0063] Preferably, in order to connect the first rail assembly and the second rail assembly through the sleeper plate 61, the first section also includes a plug-in groove 54, which is arranged on the support part 52, and the end of the sleeper plate 61 away from the sleeper plate axis 62 can be inserted into the plug-in groove 54 of the second rail assembly, thereby connecting the first rail assembly and the second rail assembly.
[0064] Preferably, in order to prevent the sleeper plate 61 from being separated from the second track assembly, the first section further includes a plug-in hole 55, and the plug-in hole 55 is arranged on the support portion 52. The sleeper unit 6 further includes a plug-in protrusion 63, a first protrusion groove 64 and a plug-in protrusion spring 65, the first protrusion groove 64 is arranged on the sleeper plate 61, the plug-in protrusion 63 and the plug-in protrusion spring 65 are both arranged in the first protrusion groove 64, the plug-in protrusion 63 can be connected with the plug-in hole 55 of the second track assembly to prevent the sleeper plate 61 from being separated from the second track assembly; one end of the plug-in protrusion spring 65 is connected with the first protrusion groove 64, and the other end of the plug-in protrusion spring 65 is connected with the plug-in protrusion 63, and the plug-in protrusion spring 65 is used to keep the plug-in protrusion 63 away from the first protrusion groove 64, and when the plug-in protrusion 63 is connected with the plug-in hole 55, the plug-in protrusion 63 is prevented from being separated from the plug-in hole 55.
[0065] Preferably, after the sleeper plate 61 is received in the sleeper plate slot 53 of the first track assembly, in order to prevent the sleeper plate 61 from being separated from the sleeper plate slot 53 and unfolding, the first section further includes a first sleeper plate slot hole 56, and the first sleeper plate slot hole 56 is arranged on the support portion 52. After the sleeper plate 61 is received in the sleeper plate slot 53, the plug-in protrusion 63 can be connected with the first sleeper plate slot hole 56 to prevent the sleeper plate 61 from being unfolded and separated from the sleeper plate slot 53.
[0066] Preferably, in order to fix the angle between the sleeper plate 61 and the support portion 52, prevent the track gauge from changing due to a change in the distance between the first rail assembly and the second rail assembly, and maintain the stability of the lifting device of this embodiment, the first section also includes a second sleeper plate slot hole, and the second sleeper plate slot hole is arranged on the support portion 52. The sleeper unit 6 also includes a limiting protrusion 66, a second protrusion groove 67 and a limiting protrusion spring 68. The second protrusion groove 67 is arranged on the sleeper plate 61. The limiting protrusion 66 and the limiting protrusion spring 68 are both arranged in the second protrusion groove 67. The limiting protrusion 66 can be connected to the second sleeper plate slot hole of the first section to prevent the sleeper plate 61 from rotating; one end of the limiting protrusion spring 68 is connected to the second protrusion groove 67, and the other end of the limiting protrusion spring 68 is connected to the limiting protrusion 66. The limiting protrusion spring 68 is used to keep the limiting protrusion 66 away from the second protrusion groove 67, and when the limiting protrusion 66 is connected to the second sleeper plate slot hole of the first section, the limiting protrusion 66 is prevented from being separated from the second sleeper plate slot hole.
[0067] Compared with Example 1, the rolling unit 4 can slide on the track unit 5, so that the horizontal position of the horizontally polarized electromagnetic pulse source can be adjusted; the track unit 5 includes a first track component and a second track component, and the first track component and the second track component are arranged in parallel to form a double-track structure, which can stably carry the hanger unit 1, the pillar 2 and the lifting unit 3; the first track component includes a first section and a second section, and the total length of the track unit 5 can be adjusted by increasing or decreasing the number of the second section, so that the horizontal position of the horizontally polarized electromagnetic pulse source can be flexibly adjusted; the sleeper plate 61 serves as a sleeper, which increases the ground contact area of the track unit 5; the sleeper plate shaft 62 is connected to the sleeper plate groove 53, and the sleeper plate 61 can rotate around the sleeper plate shaft 62, so that the sleeper plate 61 can be unfolded from the sleeper plate groove 53 or stored in the sleeper plate groove 53, which is convenient for the storage and installation of the lifting device of this embodiment.
[0068] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by any technician familiar with the technical field within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.
Claims
1. A hoisting device for electromagnetic irradiation test, characterized in that: The invention comprises a suspension frame unit (1), a support column (2) and a lifting unit (3), wherein the support column (2) and the lifting unit (3) can be respectively connected to the suspension frame unit (1), the support column (2) is used to support the suspension frame unit (1), the suspension frame unit (1) is used to suspend the lifting unit (3), and the lifting unit (3) is used to suspend a horizontally polarized electromagnetic pulse source, and the horizontally polarized electromagnetic pulse source irradiates a target.
2. The hoisting device for electromagnetic irradiation test according to claim 1, characterized in that: The support column (2) comprises a first short column and a second short column. By increasing or decreasing the number of the second short columns, the total length of the support column (2) can be adjusted, thereby changing the distance between the suspension frame unit (1) and the ground.
3. The hoisting device for electromagnetic irradiation test according to claim 1, characterized in that: The lifting unit (3) comprises a crane (31) and a hook (32); the hook (32) is connected to the crane (31); the crane (31) can pull up the hook (32); and the hook (32) is used to connect a horizontally polarized electromagnetic pulse source.
4. The hoisting device for electromagnetic irradiation test according to claim 3, characterized in that: The lifting unit (3) further comprises a connecting ring (33), each of the connecting rings (33) is connected to the crane (31), and the connecting ring (33) is used to be connected to the suspension frame unit (1).
5. The hoisting device for electromagnetic irradiation test according to claim 1, characterized in that: It also includes a rolling unit (4), which is connected to the support (2).
6. The hoisting device for electromagnetic irradiation test according to claim 5, characterized in that: It also comprises a track unit (5), and the rolling unit (4) can slide on the track unit (5).
7. The hoisting device for electromagnetic irradiation test according to claim 6, characterized in that: The rolling unit (4) comprises a rotating wheel frame (41) and a rotating wheel assembly. The rotating wheel frame (41) can be plugged into the support column (2), and the rotating wheel assembly is arranged on the rotating wheel frame (41).
8. The hoisting device for electromagnetic irradiation test according to claim 7, characterized in that: The track unit (5) comprises a first track component and a second track component. The first track component and the second track component have the same structure and are arranged in parallel to form a double track structure.
9. The hoisting device for electromagnetic irradiation test according to claim 8, characterized in that: The first track assembly comprises a first section and a second section. The first section and the second section have the same structure. By increasing or decreasing the number of the second sections, the total length of the track unit (5) can be adjusted.
10. The hoisting device for electromagnetic irradiation test according to claim 9, characterized in that: The first section comprises a slide rail portion (51) and a support portion (52); the slide rail portion (51) can be connected to the rotating wheel assembly; the support portion (52) is used for grounding and supporting the slide rail portion (51).