Storage device for anti-damage transportation of high-density polyethylene outer protective pipe

Abstract

The utility model relates to the field of storage devices, in particular to a storage device for anti-damage transportation of high-density polyethylene outer protective pipes, which comprises a storage box. First grooves penetrate through the left end and the right end of the storage box, and lug plates are fixedly connected to the lower end faces of the inner walls of the first grooves. A third electric cylinder is started to enable a lifting plate to move upwards, a third fixing column is moved out of the inner wall of a first groove, then a second electric cylinder is started to adjust the position of a first fixing block, the position of a fixing plate can be adjusted, and the angle of a discharging block is changed; the distance between the inclined face of the discharging block and the front end face and the rear end face of the inner wall of the material storage box can be increased and decreased, the outer protection pipe on the inclined face of the front end of the discharging block can be fed into the second groove body, meanwhile, the outer protection pipe on the rear end face of the discharging block moves upwards, and the outer protection pipe on the inclined face of the front end of the discharging block can fall onto the inclined face of the V-shaped plate through the second groove body. And therefore, the outer protection pipe can fall out conveniently.

Description

Technical Field

[0001] The utility model belongs to the field of storage devices, and in particular relates to a storage device for the damage-proof transportation of a high-density polyethylene outer protective tube. Background Art

[0002] With the rapid development of my country's industry and the continuous strengthening of infrastructure construction, high-density polyethylene (HDPE) outer protective pipes have been widely used in the fields of thermal insulation pipes, chemical pipes, etc. High-density polyethylene outer protective pipes have excellent corrosion resistance, wear resistance and aging resistance, and can effectively protect pipelines from damage by external environmental factors. However, during transportation and storage, high-density polyethylene outer protective pipes may be damaged due to improper operation or external factors, thereby affecting their use effect and life. In traditional transportation and storage methods, high-density polyethylene outer protective pipes are usually packaged in bulk or simply packed, which are prone to collision, friction and other damage during transportation. The damage-proof transportation storage device of the outer protective pipe in the prior art is usually not convenient for the outer protective pipe to be quickly limited and fixed in the silo. When the outer protective pipe needs to be moved out of the silo, it is not convenient to quickly move the outer protective pipe out, which needs further improvement. Utility Model Content

[0003] In order to overcome the problem that the damage-proof transportation storage device for the outer protective tube in the prior art is usually not convenient for quickly limiting and fixing the outer protective tube in the silo, and when the outer protective tube needs to be moved out of the silo, it is not convenient to quickly move the outer protective tube out.

[0004] The technical scheme of the utility model is: a storage device for anti-damage transportation of a high-density polyethylene outer protective tube, comprising a material storage box; a first trough body is penetrated and opened at the left and right ends of the material storage box, an ear plate is fixedly connected to the lower end surface of the inner wall of the first trough body, a bearing block is fixedly connected to the upper part of the inner wall of the first trough body, a V-shaped block is movably arranged on the upper end of the bearing block, two first fixed columns symmetrical about the center of the V-shaped block are penetrated and opened at the upper and lower ends of the V-shaped block, a limited stopper is fixedly connected to the lower end of the first fixed column, two second electric cylinders are fixedly connected to the front edge of the upper end of the material storage box, and the rear end of the output shaft of the second electric cylinder is fixedly connected to the A second fixed column is connected, a rotating column is rotatably installed between the two ear plates, the outer wall of the rotating column is fixedly connected to two limit rings symmetrical about the center of the rotating column, the outer wall of the rotating column is sleeved with a material block, the material block is in an inverted "V" shape, the left and right ends of the material block are fitted with the ends of the two limit rings close to each other, the upper end of the material block is fixedly connected to a fixed plate, the upper end of the fixed plate is fixedly connected to two first fixed blocks symmetrical about the center of the upper end surface of the fixed plate, the front end of the first fixed block is fixedly connected to a hinge seat, the second fixed column is hinged on the hinge seat, the upper end of the first fixed block is provided with a fourth slot, the upper end of the fixed plate is provided with a Two first grooves symmetrical about the vertical section of the center of the upper end surface of the fixing plate, a sixth groove body is opened in the center of the upper end of the fixing plate, the inner wall of the sixth groove body is fixedly connected to the third electric cylinder, the upper end of the output shaft of the third electric cylinder is fixedly connected to the lifting plate, the lower end of the lifting plate is fixedly connected to two third fixed columns symmetrical about the center of the lower end surface of the lifting plate, the outer wall of the third fixed column is fixedly connected to the second fixed block, the front and rear ends of the second fixed block are fixedly connected to the limiting blocks, the upper end of the fixing plate is opened with two first grooves symmetrical about the center of the upper end surface of the fixing plate, the first groove and the lower outer wall of the third fixed column are matched, and the lower The lower end of the material block is provided with two second grooves symmetrical about the center of the lower end surface of the material block, and a third groove body is provided through the middle part of the lower end of the material storage box. The inner wall of the third groove body is fixedly connected to two first electric cylinders, and the second groove is adapted to the output shaft of the first electric cylinder, and the inner wall of the second groove corresponds to the output shaft of the first electric cylinder. The lower end of the material storage box is fixedly connected to two supporting blocks symmetrical about the center of the lower end surface of the material storage box, and a V-shaped plate is fixedly connected at one end of the two supporting blocks close to each other, and the V-shaped plate is in an inverted "V" shape. The lower end of the material storage box is provided with two second groove bodies symmetrical about the third groove body.

[0005] Preferably, when in use, the two first electric cylinders are turned on so that the output shaft of the first electric cylinder enters the inner wall of the second groove, so that the blanking block can be positioned and placed, thereby realizing the stable placement of the fixed plate, and then the third electric cylinder is turned on to make the lifting plate move downward, and finally the lower end faces of the two second fixed blocks are fitted with the upper end faces of the fixed plate. Since the four limit blocks are limited by four groups of limit plates, the stable placement of the fixed plate can be realized, and then the two V-shaped blocks are placed on the two bearing blocks so that the limit blocks are matched with the inclined surfaces of the blanking block, and then the outer protective tube is placed in the storage box from top to bottom so that the outer protective tube is located at the front and rear of the integrated structure formed by the blanking block and the fixed plate, and the outer protective tube can be blocked by the limit blocks, thereby improving the stability of the outer protective tube, and when it is necessary to unload the protective tube, the V-shaped block is taken out of the storage box, and the third electric cylinder is turned on first to make the lifting plate The plate moves upward, so that the third fixed column moves out from the inner wall of the first groove, and then the second electric cylinder is opened to adjust the position of the first fixed block, so that the position of the fixed plate can be adjusted, so that the angle of the unloading block changes, and the distance between the inclined surface of the unloading block and the front and rear end surfaces of the inner wall of the storage box will become larger and smaller, and the outer protective tube on the front end inclined surface of the unloading block can be sent into the second groove body, and the outer protective tube on the rear end surface of the unloading block is moved upward at the same time, and the outer protective tube located on the front end inclined surface of the unloading block will fall into the inclined surface of the V-shaped plate through the second groove body, thereby facilitating the outer protective tube to fall downward, and then the outer protective tube on the rear end inclined surface of the unloading block can be unloaded, thereby solving the problem that the damage-proof transportation storage device of the outer protective tube in the prior art is usually not convenient for the outer protective tube to be quickly limited and fixed in the silo, and when the outer protective tube needs to be moved out of the silo, it is not convenient to quickly move the outer protective tube out.

[0006] Preferably, a plurality of limit plates are fixedly connected to the lower end of the inner wall of the material storage box, and the plurality of limit plates are divided into four groups, and each group is divided into two. Among the four groups formed by the plurality of limit plates, two adjacent groups are symmetrically distributed about the center of the material storage box, and the left and right ends of the limit block are fitted with one end of two limit plates in one group that are close to each other. The limit block can be moved along the end of the two limit plates that are close to each other, so as to facilitate the quick and stable placement of the limit block.

[0007] Preferably, the left and right end surfaces of the limit stop are both right-angled trapezoids, and the inclined surface of the limit stop block fits in with the inclined surface of the blanking block. The arrangement of the inclined surface of the limit stop block and the inclined surface of the blanking block fitting in with each other can facilitate the limiting and positioning of the blanking block.

[0008] Preferably, the lower end surface of the second fixed block fits the upper end surface of the fixed plate, the upper end surface of the lifting plate and the upper end surface of the first fixed block are in the same plane, and the provision of the second fixed block can improve the stability of the fixed plate when it is stationary.

[0009] Preferably, a cover plate is movably provided on the top of the storage box, and rainproof cloths are fixed to the front and rear ends of the cover plate. The lower end of the cover plate is fixed to two limiting columns which are symmetrical with respect to the vertical section of the center of the lower end surface of the cover plate. The fourth trough body and the limiting columns are adapted to each other, and the limiting columns are inserted into the inner wall of the fourth trough body, so that the cover plate can be quickly and stably placed on the upper end surfaces of the two first fixed blocks.

[0010] Preferably, a fifth trough body is provided at the front and rear edges of the upper end of the material storage box, and the inner wall of the fifth trough body is fixed with evenly distributed steel columns. A plurality of steel columns are distributed horizontally and vertically to form a grid structure. The arrangement of the steel columns can improve the impact resistance of the material storage box, thereby improving the protection of the protective tube inside the material storage box.

[0011] Preferably, the front and rear ends of the inner wall of the material storage box are corrugated, and the first groove body is arranged through the upper end of the material storage box. The arrangement of the first groove body being arranged through the upper end of the material storage box can facilitate the rapid installation and placement of the V-shaped block.

[0012] Beneficial effects of the utility model:

[0013] 1. By opening the two first electric cylinders so that the output shaft of the first electric cylinder enters the inner wall of the second groove, the positioning and placement of the blanking block can be achieved, thereby achieving the stable placement of the fixed plate, and then opening the third electric cylinder to move the lifting plate downward, and finally making the lower end faces of the two second fixed blocks fit with the upper end face of the fixed plate. Since the four limit blocks are limited by four groups of limit plates, the stable placement of the fixed plate can be achieved, and then the two V-shaped blocks are placed on the two bearing blocks, so that the limit blocks are adapted to the inclined surfaces of the blanking block, and then the outer protective tube is placed into the storage box from top to bottom, so that the outer protective tube is located at the front and rear of the integrated structure formed by the blanking block and the fixed plate, and the outer protective tube can be blocked by the limit blocks, thereby improving the stability of the outer protective tube. When it is necessary to unload the protective tube, take the V-shaped block out of the storage box, first open the third electric cylinder to move the lifting plate upward The outer protective tube on the front inclined surface of the material discharging block will fall through the second groove body and fall onto the inclined surface of the V-shaped plate, thereby facilitating the outer protective tube to fall downward. Then, the outer protective tube on the rear inclined surface of the material discharging block can be discharged, thereby solving the problem that the damage-proof transportation storage device for the outer protective tube in the prior art is usually not convenient for the outer protective tube to be quickly limited and fixed in the silo, and when the outer protective tube needs to be moved out of the silo, it is not convenient for the outer protective tube to be quickly moved out.

[0014] 2. The limit block can be moved along the end of the two limit plates close to each other, which is convenient for the rapid and stable placement of the limit block. The inclined surface of the limit block and the inclined surface of the blanking block are arranged to fit each other, so that the blanking block can be easily limited and positioned;

[0015] 3. By inserting the limiting column into the inner wall of the fourth slot body, the cover plate can be quickly and stably placed on the upper end surfaces of the two first fixed blocks. The setting of the steel column can improve the impact resistance of the material storage box, thereby improving the protection of the protective tube in the material storage box. The setting of the first slot body penetrating the upper end of the material storage box can facilitate the quick installation and placement of the V-shaped block, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The three-dimensional structure schematic diagram of a damage-resistant transportation storage device of a high-density polyethylene outer protective tube of the utility model is shown;

[0017] Figure 2 The schematic diagram of the three-dimensional disassembled structure of the material storage box and the limit stopper of the damage-proof transportation storage device of the high-density polyethylene outer protective tube of the utility model is shown;

[0018] Figure 3 The schematic diagram of the internal three-dimensional structure of a material storage box of a damage-resistant transportation storage device of a high-density polyethylene outer protective tube of the utility model is shown;

[0019] Figure 4 The present invention shows a bottom view of a three-dimensional structure diagram of a cover plate of a storage device for transporting a high-density polyethylene outer protective tube that is damage-resistant;

[0020] Figure 5 The present invention shows a schematic diagram of the three-dimensional split structure of the fixed plate and the lifting plate of a storage device for anti-damage transportation of a high-density polyethylene outer protective tube;

[0021] Figure 6 Shown is a three-dimensional structural schematic diagram of the second groove of a damage-resistant transportation storage device of a high-density polyethylene outer protective tube of the utility model.

[0022] The markings in the attached drawings are: 1. material storage box; 2. first trough body; 3. ear plate; 4. bearing block; 5. cover plate; 6. rainproof cloth; 7. support block; 8. V-shaped plate; 9. second trough body; 10. third trough body; 11. first electric cylinder; 12. V-shaped block; 13. first fixed column; 14. limit block; 15. second electric cylinder; 16. second fixed column; 17. rotating column; 18. limit ring; 19. unloading block; 20. fixed plate; 21. first fixed block; 22. hinge seat; 23. fourth trough body; 24. fifth trough body; 25. steel column; 26. limit plate; 27. sixth trough body; 28. third electric cylinder; 29. ​​limit column; 30. first groove; 31. lifting plate; 32. third fixed column; 33. second fixed block; 34. limit block; 35. second groove. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] See also Figure 1-6The utility model provides an embodiment: a storage device for anti-damage transportation of a high-density polyethylene outer protective tube, comprising a storage box 1; a first trough body 2 is provided through the left and right ends of the storage box 1, an ear plate 3 is fixedly connected to the lower end surface of the inner wall of the first trough body 2, a bearing block 4 is fixedly connected to the upper part of the inner wall of the first trough body 2, a V-shaped block 12 is movably provided on the upper end of the bearing block 4, two first fixed columns 13 symmetrical about the center of the V-shaped block 12 are provided through the upper and lower ends of the V-shaped block 12, a limited stopper 14 is fixedly connected to the lower end of the first fixed column 13, two second electric cylinders 15 are fixedly connected to the front edge of the upper end of the storage box 1, and a second fixed column 16 is fixedly connected to the rear end of the output shaft of the second electric cylinder 15, A rotating column 17 is rotatably installed between the two ear plates 3. Two limiting rings 18 symmetrically about the center of the rotating column 17 are fixedly connected to the outer wall of the rotating column 17. A blanking block 19 is sleeved on the outer wall of the rotating column 17. The blanking block 19 is in an inverted "V" shape. The left and right ends of the blanking block 19 fit with the ends of the two limiting rings 18 that are close to each other. A fixing plate 20 is fixedly connected to the upper end of the fixing plate 20. Two first fixing blocks 21 symmetrically about the center of the upper end surface of the fixing plate 20 are fixedly connected to the upper end of the fixing plate 20. A hinge seat 22 is fixedly connected to the front end of the first fixing block 21. The second fixing column 16 is hinged on the hinge seat 22. A fourth groove 23 is provided at the upper end of the first fixing block 21. The upper end of the fixing plate 20 is provided with a Two first grooves 30 are symmetrical about the center of the upper end face of the fixed plate 20 in a vertical section. A sixth groove body 27 is provided in the center of the upper end of the fixed plate 20. The inner wall of the sixth groove body 27 is fixedly connected to the third electric cylinder 28. The upper end of the output shaft of the third electric cylinder 28 is fixedly connected to a lifting plate 31. The lower end of the lifting plate 31 is fixedly connected to two third fixed columns 32 symmetrical about the center of the lower end face of the lifting plate 31. The outer wall of the third fixed column 32 is fixedly connected to a second fixed block 33. The front and rear ends of the second fixed block 33 are fixedly connected to a limiting block 34. The upper end of the fixed plate 20 is provided with two first grooves 30 symmetrical about the center of the upper end face of the fixed plate 20. The lower outer walls of the first groove 30 and the third fixed column 32 are symmetrical. Adaptation, the lower end of the material discharge block 19 is provided with two second grooves 35 symmetrical about the center of the lower end surface of the material discharge block 19, and the middle part of the lower end of the material storage box 1 is penetrated with a third groove body 10, and the inner wall of the third groove body 10 is fixedly connected with two first electric cylinders 11, and the second groove 35 is adapted to the output shaft of the first electric cylinder 11, and the inner wall of the second groove 35 corresponds to the output shaft of the first electric cylinder 11, and the lower end of the material storage box 1 is fixedly connected with two support blocks 7 symmetrical about the center of the lower end surface of the material storage box 1, and the ends of the two support blocks 7 close to each other are fixedly connected with a V-shaped plate 8, and the V-shaped plate 8 is an inverted "V" shaped structure, and the lower end of the material storage box 1 is penetrated with two second groove bodies 9 symmetrical to the third groove body 10.

[0025] See also Figure 3In this embodiment, a plurality of limit plates 26 are fixedly connected to the lower end of the inner wall of the material storage box 1. The plurality of limit plates 26 are divided into four groups and each group is divided into two. The four groups into which the plurality of limit plates 26 are divided are arranged in pairs and are symmetrically distributed about the center of the material storage box 1. The left and right ends of the limit block 34 are fitted with one end of two limit plates 26 in one group that are close to each other.

[0026] See also Figure 2 In this embodiment, both left and right end surfaces of the limit stopper 14 are right-angled trapezoids, and the inclined surface of the limit stopper 14 fits with the inclined surface of the blanking block 19.

[0027] See also Figure 5 In this embodiment, the lower end surface of the second fixing block 33 is in contact with the upper end surface of the fixing plate 20, and the upper end surface of the lifting plate 31 and the upper end surface of the first fixing block 21 are in the same plane.

[0028] See also Figure 2 and 4 In this embodiment, a cover plate 5 is movably provided above the storage box 1, and rainproof cloth 6 is fixedly connected to the front and rear ends of the cover plate 5. The lower end of the cover plate 5 is fixedly connected to two limiting columns 29 symmetrical with respect to the vertical section of the center of the lower end surface of the cover plate 5, and the fourth slot body 23 is adapted to the limiting columns 29.

[0029] See also Figure 2 In this embodiment, a fifth slot body 24 is provided at the front and rear edges of the upper end of the storage box 1. The inner wall of the fifth slot body 24 is fixed with uniformly distributed steel columns 25. A plurality of steel columns 25 are distributed horizontally and vertically to form a mesh structure.

[0030] See also Figure 2 , 3 5. In the present embodiment, the front and rear ends of the inner wall of the material storage box 1 are corrugated, and the first trough body 2 is disposed through the upper end of the material storage box 1.

[0031] When working, firstly, the two first electric cylinders 11 are turned on so that the output shafts of the first electric cylinders 11 enter the inner wall of the second groove 35, so that the blanking block 19 can be positioned and placed, thereby achieving stable placement of the fixing plate 20, and then the third electric cylinder 28 is turned on so that the lifting plate 31 moves downward, and finally the lower end faces of the two second fixing blocks 33 are fitted with the upper end face of the fixing plate 20. Since the four limiting blocks 34 are limited by the four groups of limiting plates 26, the stable placement of the fixing plate 20 can be achieved;

[0032] Then, two V-shaped blocks 12 are placed on two bearing blocks 4, so that the limit stopper 14 is matched with the inclined surface of the material discharge block 19, and then the outer protective tube is placed into the material storage box 1 from top to bottom, so that the outer protective tube is located at the front and rear of the integrated structure formed by the material discharge block 19 and the fixing plate 20, and the outer protective tube can be blocked by the limit stopper 14, thereby improving the stability of the outer protective tube;

[0033] When it is necessary to discharge the protective tube, the V-shaped block 12 is taken out of the storage box 1, and the third electric cylinder 28 is first turned on to move the lifting plate 31 upward, so that the third fixing column 32 is moved out from the inner wall of the first groove 30, and then the second electric cylinder 15 is turned on to adjust the position of the first fixing block 21, so that the position of the fixing plate 20 can be adjusted, so that the angle of the discharge block 19 changes, and the distance between the inclined surface of the discharge block 19 and the front and rear end surfaces of the inner wall of the storage box 1 will increase and decrease respectively, so that the outer protective tube on the front end inclined surface of the discharge block 19 can be sent into the second trough body 9, and the outer protective tube on the rear end surface of the discharge block 19 can be moved upward at the same time, and the outer protective tube located on the front end inclined surface of the discharge block 19 will pass through the second trough body 9 and fall onto the inclined surface of the V-shaped plate 8, thereby facilitating the outer protective tube to fall downward;

[0034] Finally, open the second electric cylinder 15 to adjust the position of the first fixed block 21 again, so that the outer protective tube on the rear end inclined surface of the blanking block 19 can be unloaded. The outer protective tube located on the rear end surface of the blanking block 19 falls onto the other inclined surface of the V-shaped plate 8 through another second trough body 8 and can slide down and fall out quickly.

[0035] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A storage device for transporting high-density polyethylene outer protective tubes to prevent damage, comprising a storage box (1); characterized in that: A first trough body (2) is provided through the left and right ends of the material storage box (1), an ear plate (3) is fixedly connected to the lower end surface of the inner wall of the first trough body (2), a bearing block (4) is fixedly connected to the upper part of the inner wall of the first trough body (2), a V-shaped block (12) is movably provided on the upper end of the bearing block (4), two first fixed columns (13) symmetrical about the center of the V-shaped block (12) are provided through the upper and lower ends of the V-shaped block (12), a limit stopper (14) is fixedly connected to the lower end of the first fixed column (13), two second electric cylinders (15) are fixedly connected to the front edge of the upper end of the material storage box (1), a second fixed column (16) is fixedly connected to the rear end of the output shaft of the second electric cylinder (15), a rotating column (17) is rotatably installed between the two ear plates (3), and the rotating column (17) The outer wall of the rotating column (17) is fixedly connected to two limiting rings (18) symmetrically about the center of the rotating column (17); the outer wall of the rotating column (17) is sleeved with a lowering block (19); the lowering block (19) is in an inverted "V" shape; the left and right ends of the lowering block (19) are in contact with the ends of the two limiting rings (18) that are close to each other; the upper end of the lowering block (19) is fixedly connected to a fixing plate (20); the upper end of the fixing plate (20) is fixedly connected to two first fixing blocks (21) symmetrically about the center of the upper end surface of the fixing plate (20); the front end of the first fixing block (21) is fixedly connected to a hinge seat (22); the second fixing column (16) is hinged to the hinge seat (22); the upper end of the first fixing block (21) is provided with a fourth groove body (23); the upper end of the fixing plate (20) is provided with two A first groove (30) is symmetrical in vertical section at the center of the upper end surface of the fixing plate (20); a sixth groove body (27) is provided at the center of the upper end of the fixing plate (20); a third electric cylinder (28) is fixedly connected to the inner wall of the sixth groove body (27); a lifting plate (31) is fixedly connected to the upper end of the output shaft of the third electric cylinder (28); two third fixing columns (32) are fixedly connected to the lower end of the lifting plate (31) and are symmetrical about the center of the lower end surface of the lifting plate (31); a second fixing block (33) is fixedly connected to the outer wall of the third fixing column (32); both front and rear ends of the second fixing block (33) are fixedly connected to limit blocks (34); two first grooves (30) are provided at the upper end of the fixing plate (20) and are symmetrical about the center of the upper end surface of the fixing plate (20); the first grooves (30) ) and the lower end outer wall of the third fixed column (32), the lower end of the material discharge block (19) is provided with two second grooves (35) symmetrical about the center of the lower end surface of the material discharge block (19), a third groove body (10) is provided through the middle of the lower end of the material storage box (1), the inner wall of the third groove body (10) is fixedly connected to two first electric cylinders (11), the second groove (35) is matched with the output shaft of the first electric cylinder (11), the inner wall of the second groove (35) is corresponding to the output shaft of the first electric cylinder (11), the lower end of the material storage box (1) is fixedly connected to two support blocks (7) symmetrical about the center of the lower end surface of the material storage box (1), the ends of the two support blocks (7) close to each other are fixedly connected to a V-shaped plate (8), and the V-shaped plate (8) is an inverted "V" shaped structure.The lower end of the material storage box (1) is penetrated by two second slot bodies (9) symmetrical with respect to the third slot body (10).

2. The damage-resistant transportation storage device of a high-density polyethylene outer protective tube according to claim 1 is characterized in that: A plurality of limit plates (26) are fixedly connected to the lower end of the inner wall of the material storage box (1), the plurality of limit plates (26) are divided into four groups, and each group is divided into two groups. Two adjacent groups of the four groups of the plurality of limit plates (26) are symmetrically distributed about the center of the material storage box (1), and the left and right ends of the limit block (34) are in contact with one end of two limit plates (26) in one group that are close to each other.

3. The damage-resistant transportation storage device of a high-density polyethylene outer protective tube according to claim 1, characterized in that: The left and right end surfaces of the limit stopper (14) are both right-angled trapezoids, and the inclined surface of the limit stopper (14) fits in with the inclined surface of the blanking block (19).

4. The damage-resistant transportation storage device of a high-density polyethylene outer protective tube according to claim 1, characterized in that: The lower end surface of the second fixed block (33) is in contact with the upper end surface of the fixed plate (20), and the upper end surface of the lifting plate (31) and the upper end surface of the first fixed block (21) are located in the same plane.

5. The damage-resistant transportation storage device of a high-density polyethylene outer protective tube according to claim 1, characterized in that: A cover plate (5) is movably provided above the storage box (1), and a rainproof cloth (6) is fixedly connected to both the front and rear ends of the cover plate (5). Two limit posts (29) symmetrical about the vertical section of the center of the lower end surface of the cover plate (5) are fixedly connected to the lower end of the cover plate (5), and the fourth trough (23) is matched with the limit posts (29).

6. The damage-resistant transportation storage device of a high-density polyethylene outer protective tube according to claim 1, characterized in that: A fifth trough body (24) is provided at the front and rear edges of the upper end of the material storage box (1). The inner wall of the fifth trough body (24) is fixedly connected with uniformly distributed steel columns (25). The plurality of steel columns (25) are distributed horizontally and vertically to form a net-shaped structure.

7. The damage-resistant transportation storage device of a high-density polyethylene outer protective tube according to claim 1, characterized in that: The front and rear ends of the inner wall of the material storage box (1) are corrugated, and the first trough body (2) is arranged in a penetrating manner at the upper end of the material storage box (1).

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