Modularized size-adjustable large grain turnover device

Abstract

The invention belongs to the technical field of water reaction metal fuel grains, and particularly relates to a modularized size-adjustable large grain turnover device which comprises a supporting rack, a supporting pillow frame, a turnover body and a limiting device. A bearing assembly is arranged at the top of the supporting rack, the supporting rack is connected with the overturning body through the bearing assembly, and the bearing assembly can enable the overturning body to be overturned from the vertical position to the horizontal position. The support pillow frame is vertically fixed on the support rack and is used for supporting the turnover body at the horizontal position; the grain is fixed in the overturning body, and the overturning body can adjust the size of the grain placing position according to the size of the grain; the limiting device enables the turnover body to be kept in a vertical state when the turnover body is in a vertical position, or the turnover body to be kept in a horizontal state when the turnover body is in a horizontal position. According to the device, the size can be adjusted according to the length and the radial size of the grain, the device can be compatible with front and back procedures of grain preparation, and the applicability of the turnover device is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of water-reactive metal fuel pellets, and in particular relates to a large-scale modular and size-adjustable pellet turning device. Background Art

[0002] The underwater rocket engine is a new type of underwater power system that uses water-reactive metal fuel grains as the engine's propellant. The metal fuel grains are mainly composed of high-energy metal powder, adhesives, additives and a small amount of oxidizer, of which the content of high-energy metal powder reaches more than 85%. At the same time, the underwater rocket engine uses external seawater as an oxidant to react with the propellant, thereby reducing the content of oxidizer carried by the propellant itself. Therefore, the underwater speed of the new torpedo equipped with this engine can reach 200 knots, and the penetration capability and the success rate of attacking large surface ships are significantly improved. The metal fuel grain is an important component of the underwater rocket engine, and has a significant impact on the engine's specific impulse, thrust, working time, stability and reliability.

[0003] During the preparation process of metal fuel grains, they need to be flipped from a vertical position to a horizontal position. Currently, there are many problems in the use of large-scale grain flipping devices: (1) The existing grain flipping devices cannot be adjusted according to the length and radial size of the grains, and have poor flexibility and cannot be applied to grains of various sizes; (2) The existing grain flipping devices are not compatible with the front and back processes of grain preparation and have poor applicability. Summary of the invention

[0004] In view of this, the present invention provides a modular and size-adjustable large-scale drug column flipping device, which can adjust the size according to the length and radial size of the drug column, and can be compatible with the front and back processes of drug column preparation on the device, thereby increasing the applicability of the flipping device.

[0005] The present invention is achieved through the following technical solutions: a modular and size-adjustable large-scale drug column flipping device, comprising a support frame, a support pillow frame, a flip body and a limit device; a bearing assembly is provided on the top of the support frame, and the support frame is connected to the flip body through the bearing assembly, and the bearing assembly can flip the flip body from a vertical position to a horizontal position; the support pillow frame is vertically fixed on the support frame, and the support pillow frame is used to support the flip body in a horizontal position; the drug column is fixed inside the flip body, and the flip body can adjust the size of the drug column placement position according to the size of the drug column; the limit device keeps the flip body in a vertical state when it is in a vertical position, or keeps the flip body in a horizontal state when it is in a horizontal position.

[0006] Furthermore, the bearing assembly includes a bearing seat, a bearing group, a customized shaft and a support plate; the bearing seat is fixed on the top of the support frame, the customized shaft is parallel to the ground, one end of the customized shaft is connected to the bearing seat through the bearing group, and the other end of the customized shaft is fixed on the support plate; the support plate is used to be fixed to the flip body.

[0007] Furthermore, the supporting pillow frame includes a pillow frame foot, a pillow block and a buffer device. The bottom end of the pillow frame foot is fixed on the supporting platform. Several threaded holes I are arranged on the top surface of the pillow frame foot. The pillow block is fixed to the threaded holes I at different positions by bolts to provide support for explosive columns of different lengths. The pillow block is an arc-shaped structure, and the buffer device is arranged on the upper surface of the pillow block.

[0008] Furthermore, the flip body is a rectangular frame structure, including a flip frame, a bottom plate, a fixed top plate, an adjustable top plate and a clamp assembly; the two flip frames are placed symmetrically on the left and right, and the bottom plate and the fixed top plate are respectively fixed at both ends of the flip frame to form a rectangular frame structure, and the flip frame is provided with several threaded holes II, and the flip frame is fixedly connected to the support plate by bolts; the adjustable top plate is connected to the fixed top plate by a stud I, and rotating the stud I can move the adjustable top plate in a direction perpendicular to the fixed top plate, and the adjustable top plate presses the drug column onto the bottom plate; the clamp assembly is arranged on the flip frame, and the clamp assembly is used to fix the drug column on the flip frame.

[0009] Furthermore, the clamp assembly is symmetrically arranged on the flip frames on both sides, with at least two groups arranged on each side. The clamp assembly includes a stud II and a clamp arc plate. The clamp arc plate is placed inside the flip body and contacts the surface of the drug column. The clamp arc plate is threadedly connected to one end of the stud II, and the other end of the stud II extends outward through the threaded hole II on the flip frame. Rotating the stud II can enable the clamp arc plates on both sides to clamp the drug column and fix the drug column on the flip frame.

[0010] Furthermore, the limiting device includes a bottom lifter, which includes a telescopic rod and a support plate. The telescopic rod is fixed at the bottom of the support frame and performs lifting and lowering movements perpendicular to the ground. The support plate is fixed at the top of the telescopic plate and is used to support the flip body in a vertical position.

[0011] Furthermore, the limiting device includes a pillow frame lifter, the pillow frame lifter includes an adjusting rod, the top end of the adjusting rod is fixedly connected to the bottom of the pillow block, the bottom end of the adjusting rod is fixed to the top of the pillow frame support foot by bolts, and the adjusting rod performs lifting and lowering movements perpendicular to the ground.

[0012] Furthermore, the limiting device also includes a horizontal limiter, which can adjust the height, has a bottom end fixed to the bottom of the support frame, and a support plate is provided on the top. When the flip body is in a horizontal position, the support plate is fixedly connected to the flip body by bolts.

[0013] Furthermore, the limit device also includes a vertical limiter, which includes a guide rail, a vertical stud, a horizontal stud and a slider. The guide rail is fixed on the supporting frame, and baffles are provided at both ends of the guide rail. The two vertical studs are respectively threadedly connected to the baffles, and the ends are fixedly connected to the two sliders. The slider can slide on the guide rail. When the flip body is in a vertical position, the horizontal stud is vertically fixed on the flip frame and is perpendicular to the vertical stud. By twisting the vertical stud, the two sliders can move toward each other to clamp the horizontal stud.

[0014] Furthermore, the support frame also includes a support leg and a caster, and the support leg and the caster are both fixed to the bottom of the support frame, and the caster is provided with a brake component.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The turning body of the present invention can adjust the size of the placement position of the medicine column according to the size of the medicine column, and is suitable for medicine columns of different lengths and different radial sizes; the limiting device can keep the medicine column in a vertical state when it is vertical, which is convenient for the pre-process assembly of the medicine column, and the limiting device can keep the medicine column in a horizontal state when it is horizontal, which is convenient for subsequent processes; the turning device of the present invention is composed of four parts that are separately installed, namely, a supporting frame, a supporting pillow frame, a turning body and a limiting device. Compared with the turning device in the prior art, the modular design is more convenient for transportation and more suitable for working environments under different conditions.

[0017] 2. The pillow block of the present invention can be fixed with threaded holes corresponding to the top surface of the pillow frame support foot according to the length of the drug column, and can support drugs columns of different lengths; when the size of the drug column and the arc-shaped pillow block do not match, the buffer device can fill the gap between the drug column and the pillow block, so that the pillow block can better fit drugs columns of different radial sizes.

[0018] 3. The flip frame of the present invention is provided with several threaded holes, and the corresponding threaded holes can be selected according to the length of the medicine column and fixed to the support plate of the support frame, so that the support frame can play a good supporting role for medicine columns of different lengths; the top plate can be adjusted to press the medicine columns of different lengths onto the bottom plate of the flip body.

[0019] 4. The present invention can change the distance between the arc plates of the symmetrical clamp by twisting the stud II to adapt to different radial sizes of medicine columns. The stud II can also select the appropriate threaded hole on the flip frame according to the length of the medicine column, so as to fix medicine columns of different sizes.

[0020] 5. The bottom lifter of the present invention provides support for the charge columns of different lengths in the vertical position; the pillow frame lifter provides support for the charge columns of different radial sizes in the horizontal position.

[0021] 6. The vertical limiter and the horizontal limiter of the present invention are simple in device and easy to install, ensuring that the drug column does not flip or deflect when in the vertical or horizontal position. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the general assembly of the present invention.

[0023] Figure 2 It is a schematic diagram of the support platform of the present invention.

[0024] Figure 3 It is a schematic diagram of a supporting pillow frame of the present invention.

[0025] Figure 4 It is a schematic diagram of the flip body of the present invention.

[0026] Figure 5 Schematic diagram of the limiter device of the present invention.

[0027] Figure 6 It is a schematic diagram of the vertical position of the drug column of the present invention.

[0028] Figure 7 It is a schematic diagram of the horizontal position of the drug column of the present invention.

[0029] Figure 8 This is a schematic diagram of the vertical limiter installation.

[0030] Among them, 1-supporting frame, 2-supporting pillow frame, 3-turning body, 4-limiting device, 1-1-supporting frame body, 1-2-supporting foot, 1-3-castor, 1-4-bearing assembly, 2-1-supporting pillow frame foot, 2-2-pillow block, 2-3-buffering device, 3-1-turning frame, 3-2-clamp assembly, 3-2-1-stud II, 3-2-2-clamp arc plate, 3-3-fixed top plate, 3-4-adjusting top plate, 3-5 bottom plate, 4-1-bottom lifter, 4-2-pillow frame lifter, 4-3-vertical limiter, 4-4-horizontal limiter. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0032] The present invention provides a modular and size-adjustable large-scale drug column turning device, such as Figure 1 As shown, the device includes a supporting platform 1, a supporting pillow frame 2, a turning body 3 and a limiting device 4.

[0033] like Figure 2 As shown, the support frame 1 serves as a load-bearing unit of the flipping device of the present invention, and includes a bearing assembly 1-4. The support frame 1 is connected to the flipping body 3 through the bearing assembly 1-4. The bearing assembly 1-4 includes a bearing seat, a bearing group, a customized shaft and a support plate; the bearing seat is fixed to the top of the support frame 1 by bolts, and the bearing group is fixed on the bearing seat. The customized shaft is parallel to the ground and perpendicular to the bearing seat. One end of the customized shaft is connected to the bearing seat through the bearing group, and the other end of the customized shaft is fixed to the support plate; the support plate can be an L-shaped support plate, and the vertical plate of the support plate is fixedly connected to the customized shaft, and the vertical plate is fixedly connected to the flipping body 3 by bolts, and the horizontal plate of the support plate faces inward to provide support for the flipping body 3 in a horizontal position; the rotation of the bearing group drives the customized shaft to rotate so that the support plate turns from vertical to horizontal, thereby enabling the flipping body 3 fixed on the support plate to realize a flip from a vertical position to a horizontal position.

[0034] As an improvement, the support stand 1 can also include a support stand body 1-1, a support leg 1-2, and a caster 1-3; the support stand body 1-1 is composed of a bottom frame and two isosceles triangle frames, the two triangle frames are respectively fixed vertically on both sides of the bottom frame, the support stand body 1-1 can be made of welded steel pipes, and the top of the triangle frame of the support stand body 1-1 is fixedly connected to the bearing assembly 1-4; the support leg 1-2 and the caster 1-3 are both fixed at the bottom of the support stand body 1-1, four support legs 1-2 and four casters 1-3 can be respectively set, and are respectively fixed at the four corners of the bottom of the support stand body 1-1, the support leg 1-2 is used to support the support stand 1, and the caster 1-3 can be used to support the movement of the support stand 1, and the caster 1-3 can also be provided with a brake component.

[0035] like Figure 3 As shown, the support pillow frame 2 is used to support the turning body 3, and the support pillow frame 2 includes a pillow frame support foot 2-1, a pillow block 2-2 and a buffer device 2-3; the pillow frame support foot 2-1 is vertically fixed on the support platform 1, and a plurality of threaded holes Ⅰ are arranged on the top surface of the pillow frame support foot 2-1. The pillow block 2-2 is fixed to the top of the pillow frame support foot 2-1 by bolts, and the pillow block 2-2 is fixedly connected with the threaded holes Ⅰ at different positions to realize the forward and backward movement of the pillow block 2-2; in specific implementation, the top of the pillow frame support foot 2-1 can be selected according to the length of the drug column The corresponding threaded hole I on the surface is fixedly connected to the pillow block 2-2 to provide support for medicine columns of different lengths; the top of the pillow block 2-2 can be an arc-shaped structure; the buffer device 2-3 is attached to the upper surface of the pillow block 2-2. In a specific implementation, the buffer device 2-3 can be made of soft material, such as rubber. When the radial size of the medicine column does not match the size of the arc-shaped structure of the pillow block 2-2, the buffer device 2-3 fills the gap between the medicine column and the pillow block 2-2, so that the pillow block 2-2 can better fit medicine columns of different radial sizes.

[0036] like Figure 4 As shown, the flip body 3 is a rectangular frame structure, including a flip frame 3-1, a bottom plate 3-5, a fixed top plate 3-3, an adjustable top plate 3-4 and a clamp assembly 3-2; the two flip frames 3-1 are placed symmetrically on the left and right, the bottom plate 3-5 and the fixed top plate 3-3 are respectively fixed at both ends of the flip frame 3-1 to form a rectangular frame structure, and the two flip frames 3-1 are provided with a plurality of threaded holes II, which can be used to be fixedly connected with the support stand 1, the limit device 4 and the clamp assembly 3-2, and the flip frame 3-1 is fixedly connected with the support plate of the support stand 1 by bolts matching the threaded holes II; the adjustable top plate 3-4 is connected to the fixed top plate 3-3 through a stud I perpendicular to the fixed top plate 3-3. The stud I can be rotated to move the adjustable top plate 3-4 from the fixed top plate 3-3 to the bottom plate 3-5. The adjustable top plate 3-4 presses the drug column onto the bottom plate 3-5. The bottom plate 3-5 can also be provided with a center pin to cooperate with the center hole of the drug column for fixing. In the specific implementation, a suitable threaded hole II is selected according to the length of the drug column to fix it with the support plate. For example, if the drug column is short, a threaded hole II closer to the bottom plate 3-5 can be selected. Then, the stud I is screwed according to the length of the drug column to adjust the position of the adjustable top plate 3-4 so that it is pressed above the drug column. That is, the adjustable top plate 3-4 can adjust the clamping size of the device according to the length of the drug column.

[0037] The clamp assembly 3-2 of the flip body 3 is used to fix the drug column on the flip frame 3-1. The clamp assembly 3-2 is symmetrically arranged on the flip frames 3-1 on both sides, and at least two groups are arranged on each side. In specific implementation, the installation position and number of the clamp assembly 3-2 can be adjusted according to the length of the drug column; the clamp assembly 3-2 includes a stud II 3-2-1 and a clamp arc plate 3-2-2. The clamp arc plate 3-2-2 is placed inside the flip body 3 and contacts the surface of the drug column. One end of the stud II 3-2-1 is threadedly connected with the clamp arc plate 3-2-2, and the other end of the stud II 3-2-1 extends outward through the threaded hole II on the flip frame 3-1. The distance between the symmetrically arranged clamp arc plates 3-2-2 can be adjusted by rotating the stud II 3-2-1, so as to clamp the drug column and fix it on the flip frame 3-1. That is, according to the different radial sizes of the drug column, the clamp assembly 3-2 realizes an adjustable clamping operation. In a specific implementation, the clamp arc plates 3-2-2 of various sizes may be provided, and the corresponding clamp arc plates 3-2-2 may be selected and used according to the radial size of the drug column.

[0038] As a further improvement, Figure 5 As shown, the limiting device 4 includes a bottom lifter 4-1, which includes a telescopic rod and a support plate. The telescopic rod is fixed at the bottom of the support frame 1 and performs lifting and lowering movements perpendicular to the ground. The support plate is fixed at the top of the telescopic rod and is used to support the bottom plate 3-5 when the flip body 3 is in a vertical position; the bottom lifter 4-1 is lifted and lowered as the length of the drug column changes.

[0039] As a further improvement, the limiting device 4 also includes a pillow frame lifter 4-2, which is an adjustment rod, the top of which is fixedly connected to the bottom of the pillow block 2-2, and the bottom of which is fixed to the top of the pillow frame support foot 2-1 by bolts. In the specific implementation, the bottom lifter 4-1 and the pillow frame lifter 4-2 can both be lifted and lowered by a remote control rod.

[0040] As a further improvement, the limiting device 4 also includes a horizontal limiter 4-4, which can adjust the height and can be a pull rod. The bottom end of the horizontal limiter 4-4 is fixed to the bottom of the support frame 1, and a support plate is provided on the top. The support plate can be L-shaped. When the flip body 3 is in a horizontal position, the vertical plate of the support plate is fixedly connected to the flip body 3 by bolts matching the threaded hole II. The horizontal plate of the support plate can be used to support the flip body 3 and can limit the flipping or movement of the flip body 3.

[0041] As a further improvement, Figure 8 As shown, the limit device 4 also includes a vertical limiter 4-3, which includes a guide rail, a vertical stud, a horizontal stud and a slider. The guide rail is fixed on the support frame 1, and baffles are provided at both ends of the guide rail. The two vertical studs are respectively threadedly connected to the baffles, and the ends of the two vertical studs are fixedly connected to the two sliders. The sliders can slide on the guide rails, and the vertical studs and the horizontal studs are perpendicular to each other; when the flip body 3 is in a vertical position, the horizontal stud cooperates with the threaded hole II and is vertically fixed on the flip frame 3-1. By twisting the two vertical studs, the two sliders move toward each other to clamp the horizontal studs, and the vertical limiter 4-3 can limit the flip body 3 from flipping or moving.

[0042] The bottom lifter 4-1 and the vertical limiter 4-3 can keep the flip body 3 in a vertical state when it is in a vertical position, so as to complete the pre-process of the medicine column in the vertical position; the pillow frame lifter 4-2 and the horizontal limiter 4-4 can keep the flip body 3 in a horizontal state when it is in a horizontal position, so as to facilitate the unloading of the clamp assembly 3-2 and the crane to remove the medicine column for subsequent processes.

[0043] The method of using a modular and size-adjustable large-scale drug column turning device of the present invention is as follows:

[0044] The first step is to use bolts to tighten and fix the corresponding threaded holes II on the turning frame 3-1 according to the length of the drug column, and fasten the turning frame 3-1 to the support plate of the bearing assembly 1-4, thereby connecting the turning body 3 to the support frame 1;

[0045] The second step is to manually keep the flip body 3 in a vertical position, and to fix the vertical stopper 4-3 to the flip body 3 to keep it in a vertical state;

[0046] In the third step, the crane vertically hoists the grain onto the bottom plate 3-5 of the turning body, aligns the center hole of the grain with the center pin of the bottom plate 3-5 to fix it, and raises the bottom lifter 4-1 to make the bottom lifter 4-1 contact with the bottom plate 3-5 of the turning body. The bottom lifter 4-1 supports the turning body 3 and the grain. In this step, the grain pre-process - assembly operation can be carried out;

[0047] Step 4: Screw the stud Ⅰ of the adjusting top plate 3-4, adjust the top plate 3-4 to press tightly on the upper surface of the drug column, and press the drug column onto the bottom plate 3-5 of the flip body;

[0048] Step 5: Screw the stud II 3-2-1 of the clamp assembly 3-2, and adjust the clamp arc plate 3-2-2 to tighten it on both sides of the powder column;

[0049] The sixth step is to remove the vertical limiter 4-3, lower the bottom lifter 4-1, raise the pillow frame lifter 4-2, and rotate the flip body 3 90° to a horizontal position manually or with the assistance of a crane. The medicine column contacts the buffer device 2-3 on the support pillow frame 2 and is stably supported.

[0050] The seventh step is to pull up the horizontal limiter 4 and fix it with the turning frame 3-1 through bolts to keep the turning body 3 in a horizontal position. After completing the process, remove the clamp assembly 3-2 and use a crane to lift the medicine column to the next process.

[0051] The large-scale drug column flipping device of the present invention is provided with adjustable structures on the supporting pillow frame 2 and the flipping body 3, which can be adjusted according to the different lengths and radial dimensions of the drug column and can adapt to the flipping operations of drug columns of different sizes; the installation position and number of the clamp components 3-2 can be adjusted according to the diameter of the drug column, and the axial fixation is good; the positioning limiter 4 has a structure for maintaining the position of the flipping body 3, and the pre-process of the drug column - the set can be completed on this device, which makes the operation more convenient and safer, saving time and cost.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A modular and size-adjustable large-scale drug column turning device, characterized in that: It includes a support frame, a support pillow frame, a turning body and a limiting device; a bearing assembly is provided on the top of the support frame, the support frame is connected to the turning body through the bearing assembly, and the bearing assembly can turn the turning body from a vertical position to a horizontal position; the support pillow frame is vertically fixed on the support frame, and the support pillow frame is used to support the turning body in a horizontal position; the drug column is fixed inside the turning body, and the turning body can adjust the size of the drug column placement position according to the size of the drug column; the limiting device keeps the turning body in a vertical state when it is in a vertical position, or keeps the turning body in a horizontal state when it is in a horizontal position.

2. The modular and size-adjustable large-scale drug column turning device according to claim 1, characterized in that: The bearing assembly includes a bearing seat, a bearing group, a customized shaft and a support plate; the bearing seat is fixed on the top of the support frame, the customized shaft is parallel to the ground, one end of the customized shaft is connected to the bearing seat through the bearing group, and the other end of the customized shaft is fixed to the support plate; the support plate is used to be fixed to the flip body.

3. The modular and size-adjustable large-scale drug column turning device according to claim 1, characterized in that: The supporting pillow frame includes a pillow frame foot, a pillow block and a buffer device. The bottom end of the pillow frame foot is fixed on the supporting platform. A plurality of threaded holes I are arranged on the top surface of the pillow frame foot. The pillow block is fixed to the threaded holes I at different positions by bolts to provide support for explosive columns of different lengths. The pillow block is an arc-shaped structure, and the buffer device is arranged on the upper surface of the pillow block.

4. The modular and size-adjustable large-scale drug column turning device according to claim 2, characterized in that: The flip body is a rectangular frame structure, including a flip frame, a bottom plate, a fixed top plate, an adjustable top plate and a clamp assembly; The two flip frames are placed symmetrically on the left and right, and the bottom plate and the fixed top plate are respectively fixed on the two ends of the flip frames to form a rectangular frame structure. Several threaded holes II are provided on the flip frames, and the flip frames are fixedly connected to the support plates by bolts; the adjustable top plate is connected to the fixed top plate by studs I, and the adjustable top plate can be moved in a direction perpendicular to the fixed top plate by rotating the studs I, and the adjustable top plate presses the medicine column onto the bottom plate; the clamp assembly is arranged on the flip frame, and the clamp assembly is used to fix the medicine column on the flip frame.

5. The modular and size-adjustable large-scale drug column turning device according to claim 4, characterized in that: The clamp assembly is symmetrically arranged on the flip frames on both sides, with at least two groups arranged on each side. The clamp assembly includes a stud II and a clamp arc plate. The clamp arc plate is placed inside the flip body and contacts the surface of the drug column. The clamp arc plate is threadedly connected to one end of the stud II, and the other end of the stud II extends outward through the threaded hole II on the flip frame. Rotating the stud II can make the clamp arc plates on both sides clamp the drug column and fix the drug column on the flip frame.

6. The modular and size-adjustable large-scale drug column turning device according to any one of claims 1 to 5, characterized in that: The limiting device includes a bottom lifter, which includes a telescopic rod and a support plate. The telescopic rod is fixed to the bottom of the support frame and performs lifting and lowering movements perpendicular to the ground. The support plate is fixed to the top of the telescopic plate and is used to support the flip body in a vertical position.

7. The modular and size-adjustable large-scale drug column turning device according to any one of claims 3 to 5, characterized in that: The limiting device includes a pillow frame lifter, and the pillow frame lifter includes an adjusting rod. The top end of the adjusting rod is fixedly connected to the bottom of the pillow block, and the bottom end of the adjusting rod is fixed to the top end of the pillow frame support foot by bolts. The adjusting rod performs lifting and lowering movements perpendicular to the ground.

8. The modular and size-adjustable large-scale drug column turning device according to claim 6, characterized in that: The limiting device also includes a horizontal limiter, which can adjust the height, has a bottom end fixed to the bottom of the support frame, and a support plate is provided on the top. When the flip body is in a horizontal position, the support plate is fixedly connected to the flip body by bolts.

9. The modular and size-adjustable large-scale drug column turning device according to claim 7, characterized in that: The limit device also includes a vertical limiter, which includes a guide rail, a vertical stud, a horizontal stud and a slider. The guide rail is fixed on the supporting frame, and baffles are provided at both ends of the guide rail. The two vertical studs are respectively threadedly connected to the baffles, and the ends are fixedly connected to the two sliders. The slider can slide on the guide rail. When the flip body is in a vertical position, the horizontal stud is vertically fixed on the flip frame and is perpendicular to the vertical stud. By twisting the vertical stud, the two sliders can move toward each other to clamp the horizontal stud.

10. The modular and size-adjustable large-scale drug column turning device according to claim 6, characterized in that: The support frame also includes a support leg and a caster, wherein the support leg and the caster are both fixed to the bottom of the support frame, and the caster is provided with a brake component.

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