CN217497724U

CN217497724U - Overturning device

Info

Publication number: CN217497724U
Application number: CN202221352525.8U
Authority: CN
Inventors: 徐学英; 冀涛; 王娟; 杨雪飞; 杨晋轩; 邹浩宇; 周天程; 王伟
Original assignee: Beijing Innotech Technology Co ltd
Current assignee: Beijing Innotech Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-27
Anticipated expiration: 2032-05-31

Abstract

The utility model provides a tipping arrangement, including the roll-over table, the roll-over table contains: the workpiece locking device comprises a base plate, a locking mechanism and a locking mechanism, wherein a first V-shaped limiting structure and a sliding block are arranged on the base plate, and the first V-shaped limiting structure and the locked sliding block radially fix the workpiece; the bottom plate is also provided with a buckle plate, and the buckle plate axially fixes the workpiece; the overturning platform further comprises a cantilever, and a second V-shaped limiting structure is arranged at the free end of the cantilever; and two ends of the saddle clamp are connected with the free end of the cantilever, and a mandril arranged on the saddle clamp, the second V-shaped limiting structure and the jack are used for radially positioning the other position of the workpiece. After the workpiece is fixed on the turnover table through the structure, the power device drives the turnover table to rotate, so that the horizontal state and the vertical state of the workpiece are switched back and forth. Compare the overhead traveling crane and add the upset of artifical supplementary completion work piece, the tipping arrangement manpower that this application provided participates in very little, and the operation degree of difficulty is little, and is efficient.

Description

Turnover equipment

Technical Field

The utility model belongs to the technical field of material handling device, concretely relates to tipping arrangement.

Background

A main shaft (with a rotatable bearing seat) bearing chamber for a wind driven generator is divided into seven specifications, the main shaft bearing chamber and the bearing chamber are 14 states with bearings and without bearings, the mass is 55 tons at most, the lengths of the main shaft bearing chamber and the bearing chamber are different from 3425mm to 4400mm, the shapes of the main shaft bearing chamber and the bearing chamber are different, and the center of gravity of the main shaft bearing chamber is different. Before the main shaft of the wind power workshop is assembled, the main shaft bearing chamber is hung to a station by a crown block and is in a vertical state, and the main shaft bearing chamber needs to be overturned by 90 degrees to be in a horizontal state during assembly.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the above-mentioned technical problem who exists among the prior art, provide a tipping arrangement.

The application provides a tipping arrangement contains the roll-over table, the support that are used for bearing the work piece the base and the drive of roll-over table the pivoted power device of roll-over table, its characterized in that, the roll-over table contains:

the workpiece fixing device comprises a base plate, a first V-shaped limiting structure and a sliding block, wherein the sliding block is configured to be movably connected with the base plate and can be locked at a certain position on the base plate, and the first V-shaped limiting structure and the locked sliding block are used for radially fixing the workpiece; the bottom plate is also provided with a linear power output unit, the output end of the linear power output unit is connected with a buckle plate, the fixed end of the linear power output unit is connected to the bottom plate, and the buckle plate axially fixes the workpiece;

the vertical plate is connected with the bottom plate to form an L shape;

the cantilever is fixed on the vertical plate, and a second V-shaped limiting structure is arranged at the free end of the cantilever;

the two ends of the saddle clamp are connected with the free ends of the cantilevers, the saddle clamp in a semi-annular shape and the second V-shaped limiting structure are enclosed to form an annular structure, a through hole is formed in the saddle clamp, a mandril penetrates through the through hole, the mandril is movably connected with the through hole and can be locked with the through hole, and the second V-shaped limiting structure and the mandril radially position the workpiece.

In a preferred embodiment, the base is formed by connecting section steels, reinforcing vertical ribs are arranged on two sides of each section steel, and the base is fixed with the ground through expansion bolts.

In a preferred embodiment, the base and the flipping table are connected by heavy bearings.

In a preferred embodiment, the bottom plate and the vertical plate are formed on a rectangular section bar to which a steel plate is welded.

In a preferred embodiment, the flipping apparatus further comprises:

the supporting frame comprises a first section and a second section, the first section is connected to the vertical plate, the second section is connected to the first section, and the length of the supporting frame is changed by changing the connection length of the second section and the first section.

In a preferred embodiment, the bottom plate is provided with two grooves, the two grooves are arranged on the bottom plate in a V shape, and one end of each of the two grooves, which is closer to the vertical plate than the other end of each of the two grooves, which is closer to the vertical plate;

the groove bottom of the groove is provided with a lead screw, the lead screw is provided with a lead screw nut, the sliding block is connected with the lead screw nut, and the side wall of the sliding block is in sliding fit with the side wall of the groove.

In a preferred embodiment, the fixed end of the linear power output unit is in sliding fit with the groove through a connecting block, and the output end of the linear power output unit can rotate circumferentially relative to the connecting block.

In a preferred embodiment, the connecting piece is connected to the slide.

In a preferred embodiment, two through holes are formed in the saddle clamp, the axes of the two through holes are arranged in a V shape, and the intersection point of the axes of the two through holes is located in an annular structure formed by the saddle clamp and the second V-shaped limiting structure in a surrounding manner.

In a preferred embodiment, adjusting the connection length between the free end and the fixed end of the cantilever changes the length of the cantilever

According to the utility model provides a concrete embodiment compares in prior art, the utility model discloses a following technological effect:

the turnover equipment comprises a turnover table for bearing a workpiece, a base for supporting the turnover table and a power device for driving the turnover table to rotate. In the technical scheme provided by the application, the overturning platform comprises: the workpiece locking device comprises a base plate, a locking mechanism and a locking mechanism, wherein a first V-shaped limiting structure and a sliding block are arranged on the base plate, and the first V-shaped limiting structure and the locked sliding block radially fix the workpiece; the bottom plate is also provided with a linear power output unit, the output end of the linear power output unit is connected with a buckling plate, and the buckling plate is used for axially fixing the workpiece; the overturning platform further comprises a cantilever, and a second V-shaped limiting structure is arranged at the free end of the cantilever; and two ends of the saddle clamp are connected with the free end of the cantilever, the semi-annular saddle clamp and the second V-shaped limiting structure are enclosed to form an annular structure, and a mandril arranged on the saddle clamp, the second V-shaped limiting structure and the mandril radially position the other position of the workpiece. After the workpiece is fixed on the turnover table through the structure, the power device drives the turnover table to rotate, so that the horizontal state and the vertical state of the workpiece are switched back and forth. The power device can select a hydraulic cylinder which pushes the overturning platform to rotate. Compare the overhead traveling crane and add the upset of artifical supplementary completion work piece, the tipping arrangement manpower that this application provided participates in very little, and the operation degree of difficulty is little, and is efficient. The fixing scheme of the turnover table for the workpiece comprises that the first V-shaped limiting structure and the sliding block are used for radially positioning the workpiece, the pinch plate is used for axially fixing the workpiece, the second V-shaped limiting structure and the ejector rod are used for radially positioning the other position of the workpiece, the structures for positioning and the workpiece are rigidly connected and fixed, and compared with the situation that the overhead travelling crane is hung in a flexible connection state, the turnover table can complete turnover, and the danger of the technical scheme is reduced.

When actually hoisting the workpiece toward the overturning platform, because the mass of the workpiece is heavy, the workpiece and the first V-shaped limiting structure on the bottom plate are difficult to completely laminate, in the application, the sliding block is configured to be movably connected with the bottom plate, the sliding block pushes the workpiece and the first V-shaped limiting structure to laminate, the requirement on the hoisting operation precision is reduced, and the operation is simpler. On the other hand, the sliding block is configured to be movably connected with the bottom plate, so that the turnover device can adapt to workpieces with different sizes, the application range of the turnover device is enlarged, and the utilization rate of the turnover device is improved.

Correspondingly, a through hole is formed in the saddle clamp, a mandril penetrates through the through hole, the mandril is movably connected with the through hole and can be locked with the through hole, and the second V-shaped limiting structure and the mandril radially position the workpiece, so that the cantilever can also adapt to workpieces with different sizes, and the technical effect of improving the utilization rate of equipment is achieved.

Drawings

Fig. 1 is a schematic view of a turning table in a turning apparatus provided by an embodiment of the present invention in a vertical state;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic view of a turning table in a turning device according to an embodiment of the present invention in a horizontal state;

fig. 4 is a schematic view of another view angle of the turnover table in the horizontal state in the turnover device provided by the embodiment of the present invention;

fig. 5 is a schematic view of a turning table loaded with a main shaft of a wind driven generator in a vertical state in the turning apparatus provided by the embodiment of the present invention;

fig. 6 is a schematic view of a turning table loaded with a main shaft of a wind turbine in a horizontal state in the turning apparatus according to the embodiment of the present invention.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific embodiments so that those skilled in the art may better understand the present invention and practice it. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Examples

The state of the structure needs to be changed in the processing and assembling processes of the heavy large-scale mechanical structure, and the mode of overhead traveling crane hoisting and manual auxiliary overturning structure is low in efficiency and poor in safety. The tipping arrangement that this embodiment provided intends to provide a tipping arrangement with high efficiency, security height.

Tipping arrangement, especially the tipping arrangement who is applicable to heavy large-scale mechanical structure, area is big, the expense is high, consequently enlarges the application scope of equipment in order to improve the utilization ratio of equipment, reduces manufacturing cost from the side also faces and the technological problem that needs solve urgently. The turning device provided by the embodiment is applied to turning the main shaft 100 for the wind driven generator, and needs to face 7 specifications of the main shaft with a bearing chamber 200 and without the bearing chamber, the main shaft and the bearing chamber, the mass is 55 tons at most, the length is different from 3425mm to 4400mm, and the shapes are different. Various safety systems are added to the overturning equipment in the embodiment to ensure the equipment to be stable and reliable in overturning operation in the vertical and horizontal states. And an adjustable tool is designed to adapt to the states of workpieces in different shapes.

Specifically, the turnover device comprises a turnover table for bearing a workpiece, a base for supporting the turnover table and a power device for driving the turnover table to rotate.

Referring to fig. 1-4, the roll-over stand comprises a base plate 1, a vertical plate 3, a cantilever 4 and a saddle clamp 5.

Wherein, a first V-shaped limit structure and a slide block 104 are arranged on the bottom plate 1, the slide block 104 is configured to be movably connected with the bottom plate 1 and can be locked at a certain position on the bottom plate 1, and the first V-shaped limit structure and the locked slide block 104 radially fix the lower end surface (refer to the position in fig. 1) of the main shaft; still set up sharp power take off unit on bottom plate 1, sharp power take off unit's output is connected with buckle 105, and the output at sharp power take off unit is connected to buckle 105, sharp power take off unit's stiff end is connected on bottom plate 1, and buckle 105 carries out axial fixity to the main shaft.

In this embodiment, the first V-shaped limiting structure is formed by providing two mirror-symmetrical bosses 101. The preferred implementation is: the boss 101 is provided with two right-angle sides, three folding lines are connected with non-right-angle ends of the two right-angle sides, a first folding line far away from the vertical plate 3 plays a role in coarse positioning when the spindle for the wind driven generator is placed, a second folding line in the middle is a bevel edge of the first V-shaped limiting structure, and a space between the two bosses 101 is reserved by the folding line close to the vertical plate 3 to avoid interference with a flange plate above the lower end face of the spindle.

Wherein, one side of the vertical plate 3 is connected with one side of the bottom plate 1 to form an L shape.

Wherein, cantilever 4 is fixed in on the 3 risers, and the free end of cantilever 4 sets up second V-arrangement limit structure 401.

In this embodiment, the second V-shaped stopper structure 401 is formed by providing two insert blocks 4011 that are mirror-symmetrical.

The two ends of the saddle clamp 5 are connected with the free end of the cantilever 4, the saddle clamp 5 in a semi-ring shape and the second V-shaped limiting structure 401 enclose to form an annular structure, a through hole 501 is formed in the saddle clamp 5, the ejector rod 502 penetrates through the through hole 501, the ejector rod 502 is configured to be movably connected with the through hole 501 and can be locked with the through hole 501, and the second V-shaped limiting structure 401 and the ejector rod 501 radially position a shaft section between two bearing seats 200 of the main shaft for the wind driven generator.

In this embodiment, detachable pin holes are selected for connection between the two ends of the saddle clamp 5 and the cantilever 4, pin holes are formed in the two ends of the saddle clamp 5 and the two corners of the free end of the cantilever 4, and the pin shaft 504 is inserted into the pin holes to connect the two. The upper and lower surfaces of the two ends of the saddle card 5 are respectively provided with a baffle plate, and two corners of the free end of the cantilever 4 are inserted between the baffle plates, so that the longitudinal positioning of the two is further realized. Furthermore, the side walls of the two ends of the saddle clamp 5 are provided with male buckles, the side walls of the two corners of the free end of the corresponding cantilever 4 are provided with female buckles, and the male buckles and the female buckles are mutually inserted to position the saddle clamp 5 and the cantilever 4.

In this embodiment, the outer wall of the top rod 502 is provided with an external thread, the inner wall of the through hole 501 is provided with an internal thread, and the external thread and the internal thread can form interlocking. A rotating hand wheel is arranged at one end of the ejector rod 501, which is positioned on the convex side of the saddle beam 5, and a ball head is arranged at one end of the ejector rod 501, which is positioned on the concave side of the saddle beam 5. And rotating the hand wheel to enable the ball head to move along the radial direction of the main shaft for the wind power generator to be propped against a certain section of shaft wall of the main shaft for the wind power generator. The external thread of the outer wall of the ejector rod 502 is interlocked with the internal thread of the inner wall of the through hole 501, and the shaft section between the two bearing seats 200 of the main shaft for the wind driven generator is radially positioned by matching with the second V-shaped limiting structure.

Before the main shaft for the wind driven generator is hoisted to the turnover equipment, the saddle clamp 5 is not connected to the cantilever 4. When the main shaft needs to be overturned:

a wind driven generator is hoisted by a main shaft and is placed on a bottom plate 1 in a vertical state (namely, the axis is vertical);

connecting the saddle clamp 5 to the cantilever 4;

pushing the sliding block 104 to enable the outer wall of one end of the main shaft to be attached to the first V-shaped limiting structure;

the output end of the linear power output unit drives a buckle plate 105 to be buckled on a flange plate at the lower end of the main shaft;

the ball head of the ejector rod 501 abuts against part of the shaft section of the main shaft.

After the spindle is fixed on the overturning platform through the operation, the overturning platform is driven to rotate by the power device, so that the horizontal state (shown in figure 6) and the vertical state (shown in figure 5) of the workpiece are switched back and forth.

The power device can select a hydraulic cylinder 13, and the hydraulic cylinder 13 pushes the overturning platform to rotate. In one embodiment, the back side of the lower end of the vertical plate and the back end of the bottom plate 1 are provided with support plates 1102, and two pairs or more of the support plates 1102 are arranged in pairs. A rotating shaft 1101 is installed between each pair of supporting plates 1102. The base is provided with a pair of bearing blocks 12, and the overturning platform is erected on the bearing blocks 12 through a shaft and a bearing. The rod of the hydraulic cylinder 13 is connected with the rotating shaft 1101, and the cylinder rod stretches and retracts to push the overturning platform to rotate around the bearing seat 12, so that the overturning platform is overturned.

Compare the overhead traveling crane and add the upset of artifical supplementary completion work piece, the tipping arrangement manpower that this application provided participates in very little, and the operation degree of difficulty is little, and is efficient. The fixing scheme of the turnover table for the workpiece comprises a first V-shaped limiting structure and a sliding block for radially positioning the workpiece, a buckling plate for axially fixing the workpiece and a second V-shaped limiting structure and an ejector rod for radially positioning the other position of the workpiece, and the structures for positioning and the workpiece are rigidly connected and fixed, so that the turnover table is dangerous to use compared with a crown block which is hung in a flexible connection state and finishes a turnover action.

In a preferred embodiment, the base is formed by connecting HM500X300 profile steel 201, reinforcing vertical ribs 202 are arranged on two sides of the HM500X300 profile steel 201, the base is fixed to the ground through expansion bolts, the HM500X300 profile steel 201 is used as a bottom frame, the ground is in large-area contact with the ground, the requirement for ground stability of the equipment is met, the reinforcing vertical ribs 202 are reinforced on two sides of the HM500X300 profile steel 201 to guarantee rigidity of the base, and the expansion bolts for installation are in contact with the ground and fixed, so that stability of the equipment in the overturning process is guaranteed.

In a preferred embodiment, the base and the flipping table are connected by 23040 heavy duty bearings. 23040 the heavy bearing can meet the requirements of turning motion, dynamic load, static load and radial load, with reliability up to 90%, and stable turning and bearing during rotation.

In a preferred embodiment, the bottom plate and the vertical plate are formed by welding steel plates on a 200 × 400 rectangular profile, wherein the thickness of the steel plate adopted by the bottom plate is 25 mm. The rectangular section and the steel plate are integrally welded to form a whole, so that the rigidity is ensured.

In order to prevent the bearing seat on the spindle from rotating, the turning apparatus provided in this embodiment further includes:

the support frame comprises a first section 801 and a second section 802, the first section 801 is connected to the vertical plate 3, the second section 802 is connected to the first section 801, the length of the support frame is changed by changing the connection length of the second section 802 and the first section 801, so that the second end 802 can support the bearing seat 200 on the main shaft 100 when the main shaft is turned over, and the connection length of the second section 802 and the first section 801 is adjusted to be suitable for bearing seats of various sizes. Preferably, the support frames are provided in a pair to support two ends of one bearing seat. Further, as shown in fig. 5, on the turnover device loaded with the main shaft, two pairs of support frames may be provided, and both support frames support two bearing seats on the main shaft.

In the above embodiment, by providing the cantilever 4 as the end portion 403 and the root portion 402, and changing the connection length between the end portion 403 and the root portion 402, the connection length between the free end and the fixed end of the cantilever 4 is adjusted to change the length of the cantilever 4, which is suitable for more size bearing housings.

In this embodiment, the bottom plate 1 is provided with a notch 102, and the notch 102 is used for avoiding the tool for hoisting on the main shaft.

For the specific implementation mode that the sliding block is movably connected with the bottom plate and can be locked at a certain position on the bottom plate, in this embodiment, two grooves are arranged on the bottom plate 1, the two grooves are arranged on the bottom plate 1 in a V-shaped manner, and one end of the two grooves with a smaller distance is closer to the vertical plate 3 than the other end with a larger distance;

the groove bottom of the groove is provided with a lead screw 103, the lead screw 103 is provided with a lead screw nut, a sliding block 104 is connected with the lead screw nut, and the side wall of the sliding block 104 is in sliding fit with the side wall of the groove.

One end of the screw 103 is provided with a rotary handle 108, and the rotary handle 108 is shaken to drive one end of the slide block 104 far away from or close to the main shaft.

The two sliding blocks 104 slide in the two grooves arranged in the V shape and are combined with the first V-shaped limiting structure to fixedly clamp one end of the main shaft for the wind driven generator at 4 point positions. Two connecting lines among the connecting lines of the 4 points pass through the axis of the main shaft, so that the fixing is more stable, and the preferred embodiment is realized.

In the embodiment, the linear power output unit is a rotary hydraulic cylinder 106 with a rotation angle of 90 degrees, and the rotary hydraulic cylinder 106 provides pressing force for pressing the buckle plate 105 on a flange plate at one end of the main shaft. The stiff end of rotary hydraulic cylinder 106 pass through connecting block 106 with recess sliding fit, the relative connecting block 106 circumferential direction of output of rotary hydraulic cylinder 106 for the position and the angle of buckle 105 can be withheld on the ring flange of main shaft one end.

Preferably, the connecting block 106 is connected with the sliding block 104, and the two are linked to enable the adjusting process to be simple and quick.

A preferred embodiment of the saddle card with the through hole is as follows: two through holes 501 are formed in the saddle clamp 5, the axes of the two through holes 501 are arranged in a V shape, and the intersection point of the axes of the two through holes 501 is located in an annular structure formed by the saddle clamp and the second V-shaped limiting structure in a surrounding mode. And the second V-shaped limiting structure is combined to fixedly clamp a certain section of the main shaft for the wind driven generator at 4 point positions. Two connecting lines among the connecting lines of the 4 points pass through the axis of the spindle, so that the fixing is more stable, and the preferred embodiment is realized.

In this embodiment, a polyurethane plate 7 is preferably provided on each contact surface with the bearing housing or spindle or flange to protect the bearing housing or spindle or flange from damage.

In this embodiment, a mechanical limiting structure 902 of the flipping table in a horizontal state is disposed at a certain height behind the vertical plate 5 of the flipping table, and a mechanical limiting structure 901 of the flipping table in a vertical state is disposed on the base below the bottom plate 1 of the flipping table. In addition, an electric appliance is arranged for limiting, and the oil circuit design of the hydraulic system meets the requirement that all parts are stopped at any time. Meanwhile, when the hydraulic cylinder is turned, the negative pressure generated by bidirectional turning in the turning process is considered, an oil supplementing loop is designed, an anti-explosion valve bank is arranged in a hydraulic system loop, and allowance is reserved for the thrust and the pull of the hydraulic cylinder.

The operation platform is arranged on the rear side of the overturning platform, the height of the operation platform is set to be 1.7 m according to the standard in consideration of safety, and therefore the operation personnel can conveniently work when the overturning platform is overturned to be in a horizontal state. Simultaneously, the operating platform is additionally provided with an inner guardrail and an outer guardrail, so that the safety of operators is guaranteed. Furthermore, guardrail doors are arranged on the left and right sides of the inner guardrail, so that workers can conveniently operate when the overturning platform is overturned to be in a horizontal state.

In the embodiment, a hydraulic station in the power device is arranged at the lower part of the operating platform, and a separate enclosure is arranged around the hydraulic station, so that the isolation sound and noise are mainly considered; the hydraulic power unit mounted position is equipped with the door that gets into the pump house, and maintenance at ordinary times is examined and is maintained and can get into the pump house, and the hydraulic pressure station arranges that the daily maintenance space has been considered, if needs to adjust away from the maintenance to parts such as motor, pump, change, and the operation platform of hydraulic pressure station upper portion part is the fly leaf that can dismantle, can dismantle the maintenance hydraulic pressure station to the fly leaf board when needing the maintenance.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present technical solution and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present technical solution.

In this disclosure, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present technical solution can be understood by those of ordinary skill in the art according to specific situations.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present technology. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. Tipping arrangement contains the roll-over table that is used for bearing the weight of the work piece, supports the base of roll-over table and drive roll-over table pivoted power device, its characterized in that, the roll-over table contains:

the vertical plate is connected with the bottom plate to form an L shape;

2. The tipping apparatus of claim 1, wherein the base is formed by connecting section steels, reinforcing vertical ribs are arranged on two sides of the section steels, and the base is fixed with the ground through expansion bolts.

3. The tipping apparatus of claim 1, wherein the base is coupled to the tipping platform by heavy duty bearings.

4. The tipping apparatus of claim 1 wherein the base plate and the riser are formed by welding steel plates to rectangular profiles.

5. The flipping apparatus of claim 1, further comprising:

6. The turnover device of any one of claims 1 to 5, wherein the bottom plate is provided with two grooves, the two grooves are arranged in a V shape on the bottom plate, and the end, with the smaller distance, of the two grooves is closer to the vertical plate than the end, with the larger distance, of the two grooves;

7. The tipping device of claim 6, wherein a fixed end of the linear power output unit is slidably engaged with the groove through a connecting block, and an output end of the linear power output unit is circumferentially rotatable relative to the connecting block.

8. The flipping apparatus of claim 7, wherein the connecting block is connected to the slider.

9. The turnover device as claimed in any one of claims 1 to 5, wherein the saddle clamp is provided with two through holes, the axes of the two through holes are arranged in a V shape, and the intersection point of the axes of the two through holes is located in an annular structure enclosed by the saddle clamp and the second V-shaped limiting structure.

10. The flipping apparatus of any one of claims 1-5, wherein adjusting the connection length between the free end and the fixed end of the cantilever changes the length of the cantilever.