Dry coal shed steel structure net rack supporting column

Abstract

The invention discloses a dry coal shed steel structure net rack supporting column, and relates to the technical field of steel structures, the dry coal shed steel structure net rack supporting column comprises a bottom plate, a guide groove is formed in the bottom plate, a base is fixedly connected to the bottom surface of the bottom plate, a mounting groove is formed in the base, a guide rail is fixedly connected to the bottom plate, a plurality of sets of sliding blocks are slidably connected to the guide rail, and the sliding blocks are fixedly connected to the bottom plate. One side of the sliding block is fixedly connected with a limiting column, the limiting column is slidably connected to the interior of the guide groove, one end of the limiting column is fixedly connected with a lantern ring, the top surface of the sliding block is fixedly connected with a supporting column body, the surface of the supporting column body is sleeved with a sleeve, and the surface of the sleeve is fixedly connected with a pin column; a linkage plate is rotationally connected to the pin column. The coal shed is reasonable in structure, the whole structure of the coal shed is built through the supporting assemblies, then the distance between the supporting column bodies can be adjusted through the limiting assemblies, and then the multiple bottom plates can be connected through the butt joint assemblies.

Description

Technical Field

[0001] The present invention relates to the technical field of steel structures, in particular to a steel structure grid support column for a dry coal shed. Background Art

[0002] The main function of a dry coal shed is to cover the coal yard to prevent it from getting wet during rain and polluting the environment during wind. It is an energy-saving and environmentally friendly project. The dry coal shed's primary function is to serve as a large storage warehouse. Therefore, it must have sufficient storage and workspace, meaning the structure must meet certain clearance requirements. Furthermore, the cross-section of its effective usable space is trapezoidal, and the envelope of the workspace is approximately arc-shaped.

[0003] Existing coal sheds are all built with steel structures. Most of them fix the bottom of the support column to the ground, and then fix the bracket to the top of the support column. However, the distance between the support columns is fixed. When expanding or reducing the coverage area, only the number of support columns can be increased or decreased, which makes the installation very troublesome. Summary of the Invention

[0004] The purpose of this application is to provide a steel structure grid support column for a dry coal shed, which realizes the construction of the overall structure of the coal shed through the support assembly, and then the distance between the support column bodies can be adjusted through the limit assembly, and then multiple base plates can be connected through the docking assembly.

[0005] The top end face of said sliding arm is fixedly provided with a toothed connecting strip which is cooperatively connected with said toothed connecting strip.

[0006] Preferably, a fixing seat is fixedly connected to the surface of the sleeve, a bolt is threadedly connected to the fixing seat, and one end of the bolt is attached to the surface of the support column body.

[0007] Preferably, the support assembly includes a frame fixedly connected to the top of the support column body, a movable groove is provided at the top surface of the frame, a plug is provided inside the movable groove, a limiting sleeve is rotatably connected to the plug, and the limiting sleeve is slidably connected to the inside of the movable groove.

[0008] Preferably, a baffle is fixedly connected to the surface of the limiting sleeve, a pull rod is fixedly connected to the baffle, the baffle is attached to the inner wall of the frame, and a bracket is fixedly connected to the top of the plug.

[0009] Preferably, the limiting assembly includes a first rod body fixedly connected to the surface of one of the sliders, one end of the first rod body is sleeved with a positioning plate, the other end of the positioning plate is fixedly connected to the movable rod, the other end of the movable rod is movably inserted into the first axle seat, the bottom end of the first axle seat is fixedly connected to the bottom plate, the movable rod is sleeved with a first spring, and the two ends of the first spring are respectively fixedly connected to one side of the positioning plate and one side of the first axle seat.

[0010] Preferably, the surface of the other slider is fixedly connected to a second rod body, one end of the second rod body is fixedly connected to an L-shaped seat, a push rod is movably inserted on the L-shaped seat, the top end of the push rod is fixedly connected to a sleeve, the surface of the sleeve is fixedly connected to a first clamping column, the L-shaped seat is rotatably connected to a hinged seat, the hinged seat is rotatably connected to a pull plate, the other end of the pull plate is fixedly connected to a handle, a pair of oblique grooves are provided on the pull plate, and one end of the first clamping column is clamped inside one of the oblique grooves.

[0011] Preferably, the bottom end of the push rod is fixedly connected to a disc, a second spring is sleeved on the push rod, the two ends of the second spring are respectively fixedly connected to the bottom surface of the L-shaped seat and the top surface of the disc, the bottom surface of the disc is fixedly connected to a second shaft seat, and a second clamping column is fixedly connected to the second shaft seat.

[0012] Preferably, a side seat is fixedly connected to the bottom plate, a movable groove is provided at the lateral position of the side seat, and several groups of slots are provided at the longitudinal position of the side seat, and one end of the second clamping column is clamped inside one of the slots.

[0013] Preferably, the docking assembly includes a pair of positioning posts fixedly mounted on the base plate, the top ends of the pair of positioning posts are rotatably connected to arm plates, the arm plates are provided with a through slot, the inner sides of the through slots are slidably connected to a driven post, the bottom ends of the driven post are fixedly connected to a sleeve block, the sleeve block is slidably connected to the cross bar, the two ends of the cross bar are fixedly connected to the limit seat, the limit seat is fixedly mounted on the base plate, a third spring is sleeved on the cross bar, the two ends of the third spring are fixedly connected to the sleeve block, the bottom surface of the sleeve block is fixedly connected to a sleeve seat, the sleeve seat is slidably connected to the sliding rod, and the two ends of the sliding rod are fixedly connected to the limit seat.

[0014] Preferably, the other end of the arm plate is fixedly connected to a mounting seat, the bottom end of the mounting seat is rotatably connected to a pulley, a bracket is provided at the bottom position of the arm plate, a round hole is provided on the bracket, the top end of the bracket is fixedly connected to a clamping plate, a docking groove is provided on the clamping plate, and the pulley is clamped inside the docking groove.

[0015] In summary, the present invention has the following beneficial effects:

[0016] 1. The present invention has a reasonable structure. When it is necessary to disassemble the bracket at the top of the support column body, a frame is fixedly connected to the top of the support column body, and a movable groove is opened on the frame. A limiting sleeve is slidably connected inside the movable groove. The limiting sleeve is rotatably connected to the plug. The limiting sleeve is rotated to keep the baffle and the movable groove in the same plane. Then, the plug is pulled upward. The pulling of the plug facilitates the separation of the limiting sleeve from the inside of the movable groove, thereby facilitating the disassembly of the bracket.

[0017] 2. In the present invention, when the distance between the sliders is adjusted, a surface of one of the sliders is fixedly connected to the first rod body, and a positioning plate is sleeved on the first rod body to fix the position of the slider, and then the sleeve is pushed downward, and the push rod is moved downward by the push of the sleeve, and the movement of the push rod pulls the second spring, and a second shaft seat is fixedly connected to the bottom end of the disc, and a second clamping column is fixedly connected to the second shaft seat, and the push rod moves downward to facilitate one end of the second clamping column to disengage from the inside of the clamping slot and enter the inside of the moving slot, so that the first clamping column is clamped in the inside of the other oblique slot, thereby facilitating the adjustment of the distance between the support column bodies, and the support column bodies are rotatably connected by the linkage plate, so that the support column bodies keep moving synchronously;

[0018] 3. In the present invention, when it is necessary to splice multiple base plates, the base plates are first kept at the same horizontal plane, and then the bracket is fixed to another base plate by screws. A positioning column is fixedly connected to the base plate, and the top end of the positioning column is rotatably connected to an arm plate, and a mounting seat is fixedly connected to one end of the arm plate, and the bottom end of the mounting seat is rotatably connected to a pulley. The pulley is pushed to fit one side of the clamping plate and move, thereby facilitating the rotation of the pulley. The rotation of the pulley causes the driven column to slide inside the through groove, thereby facilitating the sleeve to pull the third spring. A docking groove is provided on the clamping plate. When the docking work between the base plates is completed, the pulley will be clamped inside the docking groove by the elastic force of the third spring, thereby completing the docking work between the multiple base plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 Schematic diagram of the three-dimensional structure of the bracket;

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the bracket from the side;

[0022] Figure 3 It is a schematic diagram of the partial cross-section structure of the frame;

[0023] Figure 4 Schematic diagram of the three-dimensional structure of the base plate;

[0024] Figure 5 Schematic diagram of the local three-dimensional structure of the base plate;

[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the bottom plate from the side;

[0026] Figure 7 for Figure 5 A in the middle is an enlarged structural diagram;

[0027] Figure 8 for Figure 6 Enlarged structural diagram at point B in the middle.

[0028] In the figure: 1. bottom plate; 101. guide groove; 102. base; 103. mounting groove; 104. guide rail; 105. slider; 106. limiting column; 107. collar; 108. support column body; 109. sleeve; 110. pin; 112. linkage plate; 2. fixing seat; 201. bolt; 202. frame; 203. movable groove; 204. plug; 205. limiting sleeve; 206. baffle; 207. pull rod; 208. bracket; 3. first rod body; 301. positioning plate; 302. movable rod; 303. first shaft seat; 304. first spring; 305. second rod body; 306. L-shaped seat; 307. push rod Rod; 308, sleeve; 309, first clamping column; 310, hinged seat; 311, pull plate; 312, handle; 313, inclined groove; 314, disc; 315, second spring; 316, second shaft seat; 317, second clamping column; 318, side seat; 319, movable groove; 320, clamping groove; 4, positioning column; 401, arm plate; 402, through groove; 403, driven column; 404, sleeve block; 405, cross bar; 406, limit seat; 407, third spring; 408, sleeve; 409, slide bar; 410, mounting seat; 411, pulley; 412, bracket; 413, round hole; 414, clamping plate; 415, docking groove. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] Example: Reference Figure 1 - Figure 8The steel structure grid support column of the dry coal shed shown in the figure includes a bottom plate 1, a guide groove 101 is opened on the bottom plate 1, a base 102 is fixedly connected to the bottom surface of the bottom plate 1, a mounting groove 103 is opened on the base 102, a guide rail 104 is fixedly connected to the bottom plate 1, and a plurality of groups of sliders 105 are slidably connected to the guide rail 104. One side of the slider 105 is fixedly connected to a limiting column 106, and the limiting column 106 is slidably connected to the inside of the guide groove 101. One end of the limiting column 106 is fixedly connected to a collar 107. The top surface of the slider 105 is fixedly connected to the support column body 108. The support column body 10 8 is provided with a sleeve 109 on the surface, and the surface of the sleeve 109 is fixedly connected to the pin 110, and the pin 110 is rotatably connected to the linkage plate 112; it also includes a support assembly, a limit assembly and a docking assembly. The support assembly is arranged at the top position of the support column body 108 for coordinated use, the limit assembly is arranged on the base plate 1 for positioning the position of the slider 105, and the docking assembly is arranged at one end of the base plate 1 for splicing. The surface of the sleeve 109 is fixedly connected to the fixing seat 2, and the fixing seat 2 is threaded with a bolt 201, and one end of the bolt 201 is fitted on the surface of the support column body 108.

[0031] Specifically, it should be noted that the base plate 1 is fixed to the ground through the base 102 at the bottom, and then the slider 105 slides on the guide rail 104 by pulling the support column body 108. The movement of the slider 105 causes the limit column 106 to move inside the guide groove 101, thereby increasing the stability of the movement of the slider 105.

[0032] As an implementation method in this embodiment, the support assembly includes a frame 202 fixedly connected to the top of the support column body 108, a movable groove 203 is opened on the top surface of the frame 202, a plug 204 is arranged inside the movable groove 203, a limiting sleeve 205 is rotatably connected to the plug 204, the limiting sleeve 205 is slidably connected to the inside of the movable groove 203, a baffle 206 is fixedly connected to the surface of the limiting sleeve 205, a pull rod 207 is fixedly connected to the baffle 206, the baffle 206 is attached to the inner wall of the frame 202, and the top of the plug 204 is fixedly connected to the bracket 208.

[0033] Specifically, when it is necessary to disassemble the bracket 208 at the top of the support column body 108, a frame 202 is fixedly connected to the top of the support column body 108, and a movable groove 203 is opened on the frame 202, and a limiting sleeve 205 is slidably connected inside the movable groove 203, and the limiting sleeve 205 is rotatably connected to the plug 204. The limiting sleeve 205 is rotated so that the baffle 206 and the movable groove 203 remain in the same plane, and then the plug 204 is pulled upward. By pulling the plug 204, the limiting sleeve 205 can be easily separated from the inside of the movable groove 203, thereby facilitating the disassembly of the bracket 208.

[0034] As an implementation manner in this embodiment, the limiting assembly includes a first rod body 3 fixedly connected to the surface of one of the sliders 105, one end of the first rod body 3 is sleeved with a positioning plate 301, the other end of the positioning plate 301 is fixedly connected to the movable rod 302, the other end of the movable rod 302 is movably inserted into the first shaft seat 303, the bottom end of the first shaft seat 303 is fixedly connected to the bottom plate 1, and the movable rod 302 is sleeved with a first spring 304, the two ends of the first spring 304 are respectively fixedly connected to one side of the positioning plate 301 and one side of the first shaft seat 303, wherein the surface of the other slider 105 is fixedly connected to the second rod body 305, one end of the second rod body 305 is fixedly connected to the L-shaped seat 306, the L-shaped seat 306 is movably inserted with a push rod 307, the top of the push rod 307 is fixedly connected to a sleeve 308, the surface of the sleeve 308 is fixedly connected to the first clamping column 309, the L-shaped The base 306 is rotatably connected to a hinged base 310, and the hinged base 310 is rotatably connected to a pull plate 311, and the other end of the pull plate 311 is fixedly connected to a handle 312. The pull plate 311 is provided with a pair of oblique grooves 313, and one end of the first clamping column 309 is clamped inside one of the oblique grooves 313. The bottom end of the push rod 307 is fixedly connected to a disc 314, and a second spring 315 is sleeved on the push rod 307. The two ends of the second spring 315 are respectively fixedly connected to the bottom surface of the L-shaped base 306 and the top surface of the disc 314, and the bottom surface of the disc 314 is fixedly connected to a second shaft seat 316, and the second shaft seat 316 is fixedly connected to a second clamping column 317. The bottom plate 1 is fixedly connected to a side seat 318, and a movable groove 319 is provided in the horizontal position of the side seat 318, and a plurality of groups of clamping grooves 320 are provided in the longitudinal position of the side seat 318. One end of the second clamping column 317 is clamped inside one of the clamping grooves 320.

[0035] When the cam 314 is in the unlocking state, the first lever 308 is unlocked, and the first lever 308 is unlocked, so that the cam 314 can be unlocked.

[0036] As an implementation method in this embodiment, the docking assembly includes a pair of positioning columns 4 fixedly mounted on the base plate 1, the top ends of the pair of positioning columns 4 are rotatably connected to an arm plate 401, a through slot 402 is provided on the arm plate 401, the interior of the through slot 402 is slidably connected to a driven column 403, the bottom end of the driven column 403 is fixedly connected to a sleeve block 404, the sleeve block 404 is slidably connected to a cross bar 405, both ends of the cross bar 405 are fixedly connected to a limit seat 406, the limit seat 406 is fixedly mounted on the base plate 1, a third spring 407 is sleeved on the cross bar 405, and both ends of the third spring 407 are fixed to the cross bar 405. It is fixedly connected to the sleeve block 404, and the bottom surface of the sleeve block 404 is fixedly connected to the sleeve seat 408, and the sleeve seat 408 is slidably connected to the slide rod 409. The two ends of the slide rod 409 are fixedly connected to the limit seat 406. The other end of the arm plate 401 is fixedly connected to the mounting seat 410, and the bottom end of the mounting seat 410 is rotatably connected to the pulley 411. A bracket 412 is provided at the bottom position of the arm plate 401, and a circular hole 413 is opened on the bracket 412. The top of the bracket 412 is fixedly connected to the clamping plate 414, and a docking groove 415 is opened on the clamping plate 414. The pulley 411 is clamped inside the docking groove 415.

[0037] Specifically, when it is necessary to splice multiple base plates 1, first keep the base plates 1 at the same horizontal plane, then fix the bracket 412 to another base plate 1 by screws, and fix the positioning column 4 on the base plate 1, and the top of the positioning column 4 is rotatably connected to the arm plate 401, and one end of the arm plate 401 is fixedly connected to the mounting seat 410, and the bottom end of the mounting seat 410 is rotatably connected to the pulley 411, and the pulley 411 is pushed on the base plate 1 to fit on one side of the clamping plate 414 and move, thereby facilitating the rotation of the pulley 411, and the rotation of the pulley 411 causes the driven column 403 to slide inside the through groove 402, so that the sleeve 404 pulls the third spring 407, and a docking groove 415 is provided on the clamping plate 414. When the docking work between the base plates 1 is completed, the pulley 411 will be clamped in the docking groove 415 by the elastic force of the third spring 407, thereby completing the docking work between the multiple base plates 1.

[0038] The working principle of the present invention is as follows: when it is necessary to disassemble the bracket 208 at the top of the support column body 108, a frame 202 is fixedly connected to the top of the support column body 108, and a movable groove 203 is opened on the frame 202. A limiting sleeve 205 is slidably connected inside the movable groove 203, and the limiting sleeve 205 is rotatably connected to the plug 204. The limiting sleeve 205 is rotated so that the baffle 206 and the movable groove 203 are kept in the same plane, and then the plug 204 is pulled upward. The pulling of the plug 204 facilitates the separation of the limiting sleeve 205 from the inside of the movable groove 203, thereby facilitating the disassembly of the bracket 208.

[0039] When the first and second levers 310 are in the unlocked position, the lever 308 is unlocked and the first and second levers 310 are unlocked, so that the first and second levers 310 can be unlocked.

[0040] When it is necessary to splice multiple base plates 1, first keep the base plates 1 at the same horizontal plane, then fix the bracket 412 to another base plate 1 by screws, and fix the positioning column 4 on the base plate 1, and the top of the positioning column 4 is rotatably connected to the arm plate 401, and one end of the arm plate 401 is fixedly connected to the mounting seat 410, and the bottom end of the mounting seat 410 is rotatably connected to the pulley 411, and the pulley 411 is pushed by the base plate 1 to fit one side of the clamping plate 414 and move, thereby facilitating the rotation of the pulley 411, and the rotation of the pulley 411 causes the driven column 403 to slide inside the through groove 402, so that the sleeve 404 pulls the third spring 407, and a docking groove 415 is provided on the clamping plate 414. When the docking work between the base plates 1 is completed, the pulley 411 will be clamped in the docking groove 415 by the elastic force of the third spring 407, thereby completing the docking work between the multiple base plates 1.

[0041] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A steel structure grid support column for a dry coal shed, comprising a bottom plate (1), characterized in that: A support column body (108) is provided on the bottom plate (1), a sleeve (109) is sleeved on the surface of the support column body (108), a pin column (110) is fixedly connected to the surface of the sleeve (109), and a linkage plate (112) is rotatably connected to the pin column (110); It also includes a support component, a limit component and a docking component, wherein the support component is arranged at the top position of the support column body (108) for coordinated use, the limit component is arranged on the base plate (1) for positioning the position of the slider (105), and the docking component is arranged at one end of the base plate (1) for splicing.

2. The steel structure grid support column of the dry coal shed according to claim 1, characterized in that: The bottom plate (1) is provided with a guide groove (101), the bottom surface of the bottom plate (1) is fixedly connected to a base (102), the base (102) is provided with a mounting groove (103), the bottom plate (1) is fixedly connected to a guide rail (104), the guide rail (104) is slidably connected to a plurality of sliders (105), one side of the slider (105) is fixedly connected to a limiting column (106), the limiting column (106) is slidably connected to the inside of the guide groove (101), one end of the limiting column (106) is fixedly connected to a collar (107), the top surface of the slider (105) is fixedly connected to a support column body (108), the surface of the sleeve (109) is fixedly connected to a fixing seat (2), a bolt (201) is threadedly connected to the fixing seat (2), and one end of the bolt (201) is affixed to the surface of the support column body (108).

3. The steel structure grid support column of the dry coal shed according to claim 2, characterized in that: The support assembly comprises a frame (202) fixedly connected to the top of the support column body (108); a movable groove (203) is provided on the top surface of the frame (202); a plug (204) is provided inside the movable groove (203); a limiting sleeve (205) is rotatably connected to the plug (204); and the limiting sleeve (205) is slidably connected to the inside of the movable groove (203).

4. The steel structure grid support column of the dry coal shed according to claim 3 is characterized by: The surface of the limiting sleeve (205) is fixedly connected to a baffle (206), a pull rod (207) is fixedly connected to the baffle (206), the baffle (206) is attached to the inner wall of the frame (202), and the top of the plug (204) is fixedly connected to a bracket (208).

5. The steel structure grid support column of the dry coal shed according to claim 2, characterized in that: The limiting assembly includes a first rod body (3) fixedly connected to the surface of one of the sliders (105), one end of the first rod body (3) is sleeved with a positioning plate (301), the other end of the positioning plate (301) is fixedly connected to the movable rod (302), the other end of the movable rod (302) is movably inserted into the first shaft seat (303), the bottom end of the first shaft seat (303) is fixedly connected to the bottom plate (1), and a first spring (304) is sleeved on the movable rod (302), and the two ends of the first spring (304) are respectively fixedly connected to one side of the positioning plate (301) and one side of the first shaft seat (303).

6. The steel structure grid support column of the dry coal shed according to claim 5, characterized in that: The surface of the other slider (105) is fixedly connected to a second rod body (305), one end of the second rod body (305) is fixedly connected to an L-shaped seat (306), a push rod (307) is movably inserted on the L-shaped seat (306), the top end of the push rod (307) is fixedly connected to a sleeve (308), the surface of the sleeve (308) is fixedly connected to a first clamping column (309), the L-shaped seat (306) is rotatably connected to a hinge seat (310), the hinge seat (310) is rotatably connected to a pull plate (311), the other end of the pull plate (311) is fixedly connected to a handle (312), a pair of inclined grooves (313) are provided on the pull plate (311), and one end of the first clamping column (309) is clamped inside one of the inclined grooves (313).

7. The steel structure grid support column of the dry coal shed according to claim 6, characterized in that: The bottom end of the push rod (307) is fixedly connected to a disc (314), a second spring (315) is sleeved on the push rod (307), the two ends of the second spring (315) are respectively fixedly connected to the bottom surface of the L-shaped seat (306) and the top surface of the disc (314), the bottom surface of the disc (314) is fixedly connected to a second shaft seat (316), and the second shaft seat (316) is fixedly connected to a second clamping column (317).

8. The steel structure grid support column of the dry coal shed according to claim 7, characterized in that: A side seat (318) is fixedly connected to the bottom plate (1), a movable groove (319) is provided at a transverse position of the side seat (318), and a plurality of groups of clamping grooves (320) are provided at a longitudinal position of the side seat (318), and one end of the second clamping column (317) is clamped inside one of the clamping grooves (320).

9. The steel structure grid support column of a dry coal shed according to claim 2, characterized in that: The docking assembly comprises a pair of positioning columns (4) fixedly mounted on the base plate (1); the top ends of the pair of positioning columns (4) are rotatably connected to arm plates (401); a through slot (402) is provided on the arm plates (401); a driven column (403) is slidably connected inside the through slot (402); the bottom end of the driven column (403) is fixedly connected to a sleeve block (404); the sleeve block (404) is slidably connected to a cross bar (405); and both ends of the cross bar (405) are fixed. The cross bar (405) is provided with a third spring (407), and both ends of the third spring (407) are fixedly connected to the sleeve block (404). The bottom surface of the sleeve block (404) is fixedly connected to a sleeve seat (408), and the sleeve seat (408) is slidably connected to a slide rod (409). Both ends of the slide rod (409) are fixedly connected to the limit seat (406).

10. The steel structure grid support column of the dry coal shed according to claim 9, characterized in that: The other end of the arm plate (401) is fixedly connected to a mounting seat (410), the bottom end of the mounting seat (410) is rotatably connected to a pulley (411), a bracket (412) is provided at the bottom position of the arm plate (401), a round hole (413) is provided on the bracket (412), a clamping plate (414) is fixedly connected to the top end of the bracket (412), a docking groove (415) is provided on the clamping plate (414), and the pulley (411) is clamped inside the docking groove (415).

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