Fiber section sample preparation cutting device

Abstract

The utility model discloses a fiber section sample preparation cutting device which comprises an operation table, a supporting part, a fixing part and a cutting part, the supporting part is arranged above the operation table, a connecting part is arranged on the supporting part, and the connecting part is rotationally connected with the supporting part; one end of the fixing part is detachably connected with the connecting part, the fixing part is perpendicular to the supporting part, the fixing part is used for fixing fibers, one end of the cutting part is detachably connected with the connecting part, the cutting part is perpendicular to the supporting part, and the cutting part is used for cutting the fibers. In this way, the connecting part is rotationally connected with the supporting part, so that the fixing part and the cutting part can rotate around the supporting part, the cutting angle and position of fibers are conveniently adjusted, the requirements of different section shapes are met, the cutting part is perpendicular to the supporting part, it is ensured that the cutting direction is perpendicular to the axial direction of the fibers, and section deformation caused by inclined cutting is reduced; and the stability of the fiber section sample preparation effect is improved.

Description

A fiber cross-section sample cutting device Technical Field

[0001] This utility model relates to the field of fiber cutting and sample preparation technology, and in particular to a fiber cross-section sample cutting device. Background Technology

[0002] Fiber cross-section preparation is a fundamental task in the field of materials analysis, and its sample preparation quality directly affects the accuracy of fiber morphology observation, structural characterization, and performance evaluation. Currently, fiber cross-section sample preparation methods are mainly divided into two categories: one is a simple method based on physical cutting, such as cutting the fiber with scissors or a separate blade; the other is to prepare cross-section samples by curing the fiber in resin and then performing processes such as grinding and polishing.

[0003] However, the physical cutting method is susceptible to multiple uncontrollable factors during sample preparation, including the fiber's own condition (such as hardness and toughness), differences in operator experience, and the randomness of shearing force. This can easily lead to problems such as fiber cross-sectional deformation, edge burrs, or tearing, making it difficult to guarantee the repeatability and consistency of sample preparation. As for the standard method based on resin curing, on the one hand, the quality of the interfacial bonding between the resin and fiber, and differences in the material of consumables, can introduce deviations in sample preparation. On the other hand, the grinding and polishing process parameters need to be dynamically adjusted based on experience, and operational fluctuations can easily lead to problems such as residual grinding marks, insufficient cross-sectional flatness, or incomplete fiber exposure. This not only reduces sample preparation efficiency but may also obscure the true morphological characteristics of the fiber, thereby affecting the reliability of subsequent microstructure analysis and quantitative characterization. Summary of the Invention

[0004] To solve the above-mentioned technical problems, this utility model provides a fiber cross-section sample cutting device.

[0005] This utility model provides a fiber cross-section sample preparation and cutting device, comprising:

[0006] Control panel;

[0007] A support portion is disposed above the operating table, and a connecting portion is provided on the support portion, the connecting portion being rotatably connected to the support portion;

[0008] A fixing part, one end of which is detachably connected to the connecting part, is arranged perpendicularly to the supporting part, and is used to fix the fibers;

[0009] The cutting part has one end detachably connected to the connecting part, and is arranged perpendicularly to the supporting part. The cutting part is used to cut the fiber.

[0010] In some embodiments of this utility model, the support part includes a cylindrical crossbar, and support rods are respectively provided at both ends of the cylindrical crossbar. The lower end of the support rod is fixedly connected to the upper surface of the operating table, and the connecting part is rotatably connected to the cylindrical crossbar.

[0011] In some embodiments of this utility model, the connecting part includes a first connecting member and two second connecting members, wherein the first connecting member is disposed between the two second connecting members;

[0012] The first connector is connected to the cutting part, and the two second connectors are each connected to one of the fixing parts.

[0013] In some embodiments of this utility model, a first groove is provided at the first end of the first connector, and the first groove is engaged with the cylindrical crossbar; a second groove is provided at the second end of the first connector, and the second groove is detachably connected to the cutting part.

[0014] The first ends of the two second connectors are respectively provided with a third groove, which is engaged with the cylindrical crossbar. The second ends of the two second connectors are respectively provided with a fourth groove, which is detachably connected to the fixing part.

[0015] In some embodiments of this utility model, the fixing part includes a first pressure strip and a second pressure strip;

[0016] The first pressure strip and the second pressure strip are respectively inserted into the fourth groove, and the first pressure strip and the second pressure strip are respectively fixed to the second connector by the first fastener.

[0017] In some embodiments of this utility model, the cutting part includes a cutting handle and a cutting assembly, the first end of the cutting handle is inserted into the second groove, and the cutting assembly is mounted on the cutting handle.

[0018] In some embodiments of this utility model, the cutting handle includes a first connecting rod, a second connecting rod, and a third connecting rod. The first end of the first connecting rod is inserted into the second groove. The first connecting rod is fixed to the first connecting member by a second fastener. The first connecting rod is perpendicular to the cylindrical crossbar.

[0019] The second connecting rod and the third connecting rod are respectively fixedly connected to the first connecting rod, and both the second connecting rod and the third connecting rod are arranged parallel to the cylindrical crossbar.

[0020] In some embodiments of this utility model, the cutting assembly includes a first cutting blade and a second cutting blade, the first end of the second connecting rod is connected to the first end of the first cutting blade by a third fastener, and the second end of the second connecting rod is connected to the first end of the second cutting blade by a fourth fastener.

[0021] The first end of the third connecting rod is connected to the second end of the first cutting blade via a fifth fastener, and the second end of the third connecting rod is connected to the second end of the second cutting blade via a sixth fastener.

[0022] In some embodiments of this utility model, the upper surface of the operating table is provided with at least one positioning line structure, and the positioning line structure is arranged perpendicularly to the cutting part.

[0023] In some embodiments of this utility model, a support leg is provided at each apex corner of the lower surface of the operating table.

[0024] The fiber cross-section sample preparation and cutting device provided by this utility model has at least the following advantages:

[0025] The fiber cross-section sample preparation and cutting device provided by this utility model features a rotatable connection between the connecting part and the support part, allowing the fixing part and the cutting part to rotate around the support part. This facilitates adjustment of the fiber cutting angle and position to adapt to different cross-sectional shapes. The fixing part allows for simultaneous cutting of multiple samples, improving sample preparation efficiency and saving time and costs. The cutting part is perpendicular to the support part, ensuring the cutting direction is perpendicular to the fiber axis and reducing cross-sectional deformation caused by tilted cutting. The fixing part and the cutting part are detachably connected to the connecting part, facilitating the replacement of different specifications of fixing clamps or cutting blades to accommodate fibers of different diameters or materials. The fixing part ensures that the fiber is fixed and will not become skewed, affecting the cutting effect and improving the stability of the fiber cross-section sample preparation. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 is a top view of the fiber cross-section sample cutting device provided in an exemplary embodiment of the present invention.

[0028] Figure 2 is a side view of the fiber cross-section sample cutting device provided in an exemplary embodiment of the present invention.

[0029] The following labels are shown in the attached diagram:

[0030] 1. Operating table; 2. Support part; 201. Cylindrical crossbar; 202. Support rod; 3. Fixing part; 301. First pressure bar; 302. Second pressure bar; 303. First fastener; 4. Cutting part; 401. Cutting handle; 411. First connecting rod; 412. Second connecting rod; 413. Third connecting rod; 414. Second fastener; 402. Cutting assembly; 421. First cutting blade; 422. Second cutting blade; 423. Third fastener; 424. Fourth fastener; 425. Fifth fastener; 426. Sixth fastener; 5. Connecting part; 501. First connecting piece; 502. Second connecting piece; 6. Positioning line structure; 7. Support leg. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0032] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the present invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a mutually exclusive, independent, or alternative embodiment. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0033] Fiber cross-section preparation is a fundamental task in the field of materials analysis, and its sample preparation quality directly affects the accuracy of fiber morphology observation, structural characterization, and performance evaluation. Currently, fiber cross-section sample preparation methods are mainly divided into two categories: one is a simple method based on physical cutting, such as cutting the fiber with scissors or a separate blade; the other is to prepare cross-section samples by curing the fiber in resin and then performing processes such as grinding and polishing.

[0034] However, the physical cutting method is susceptible to multiple uncontrollable factors during sample preparation, including the fiber's own condition (such as hardness and toughness), differences in operator experience, and the randomness of shearing force. This can easily lead to problems such as fiber cross-sectional deformation, edge burrs, or tearing, making it difficult to guarantee the repeatability and consistency of sample preparation. As for the standard method based on resin curing, on the one hand, the quality of the interfacial bonding between the resin and fiber, and differences in the material of consumables, can introduce deviations in sample preparation. On the other hand, the grinding and polishing process parameters need to be dynamically adjusted based on experience, and operational fluctuations can easily lead to problems such as residual grinding marks, insufficient cross-sectional flatness, or incomplete fiber exposure. This not only reduces sample preparation efficiency but may also obscure the true morphological characteristics of the fiber, thereby affecting the reliability of subsequent microstructure analysis and quantitative characterization.

[0035] The embodiments of this utility model will be further described below with reference to Figures 1 and 2.

[0036] To address the aforementioned technical problems, this utility model provides a fiber cross-section sample preparation and cutting device. The connecting part and the support part are rotatably connected, allowing the fixing part and the cutting part to rotate around the support part. This facilitates adjustment of the fiber cutting angle and position to adapt to different cross-sectional shapes. The fixing part allows for simultaneous cutting of multiple samples, improving sample preparation efficiency and saving time and costs. The cutting part is perpendicular to the support part, ensuring the cutting direction is perpendicular to the fiber axis and reducing cross-sectional deformation caused by tilted cutting. The fixing part and the cutting part are detachably connected to the connecting part, facilitating the replacement of different specifications of fixing clamps or cutting blades to accommodate fibers of different diameters or materials. The fixing part ensures that the fiber is fixed and will not become skewed, affecting the cutting effect and improving the stability of the fiber cross-section sample preparation.

[0037] An exemplary embodiment of this utility model provides a fiber cross-section sample cutting device, as shown in Figures 1 and 2, including an operating table 1, a support part 2, a fixing part 3, and a cutting part 4; the support part 2 is disposed above the operating table 1, and a connecting part 5 is provided on the support part 2, the connecting part 5 being rotatably connected to the support part 2. Exemplarily, scale lines can be provided on the support part 2, the connecting part 5 is detachably connected to the support part 2, and the connecting part 5 is rotatable around the axis of the support part 2. Three connecting parts 5 are provided on the support part 2. Two connecting parts 5 are used to install the fixing part 3, and the other connecting part 5 is used to connect the cutting part 4. The positions of the connecting parts 5 on the support part 2 can be adjusted according to actual needs. The distance between two adjacent connecting parts 5 can be adjusted according to the scale lines to use fixing clamps or cutting blades of different specifications, thereby adapting to fiber sampling of different diameters, materials, or requirements. The connecting part 5 is rotatably connected to the support part 2, allowing the fixing part 3 and the cutting part 4 to rotate around the support part 2, facilitating the adjustment of the fiber cutting angle and position to meet the needs of different cross-sectional shapes. The fixing part 3 allows multiple samples to be cut and prepared simultaneously, improving sample preparation efficiency and saving sample preparation time and costs. One end of the fixing part 3 is detachably connected to the connecting part 5. The fixing part 3 is set perpendicular to the support part 2 and is used to fix the fiber. One end of the cutting part 4 is detachably connected to the connecting part 5. The cutting part 4 is set perpendicular to the support part 2 and is used to cut the fiber. Both the cutting part 4 and the fixing part 3 are detachably connected to the connecting part 5, which facilitates the replacement of fixing clamps or cutting blades of different specifications to meet the cutting needs of fibers of different diameters or materials. The cutting part 4 is perpendicular to the supporting part 2 to ensure that the cutting direction is perpendicular to the fiber axis and reduce cross-sectional deformation caused by inclined cutting.

[0038] In some embodiments of this utility model, referring to Figures 1 and 2, the support part 2 includes a cylindrical crossbar 201, with support rods 202 respectively provided at both ends of the cylindrical crossbar 201. The lower end of the support rod 202 is fixedly connected to the upper surface of the operating table 1, and the connecting part 5 is rotatably connected to the cylindrical crossbar 201. The cylindrical crossbar 201 and the support rods 202 can be integrally formed or separately designed and then connected by adhesive, welding, or other methods. The support rods 202 are installed and fixed to the operating table 1 by methods including, but not limited to, threaded connections, welding, and plug-in connections. The cylindrical crossbar 201 is connected to the support rods 202 at both ends to form a portal frame structure. The support rods 202 at both ends evenly distribute the load of the crossbar to the operating table 1, avoiding swaying or deformation caused by single-point support, improving the supporting force of the support part 2, and effectively resisting the lateral bending moment generated during cutting.

[0039] In some embodiments of this utility model, referring to Figures 1 and 2, the connecting part 5 includes a first connecting member 501 and two second connecting members 502, with the first connecting member 501 disposed between the two second connecting members 502; the first connecting member 501 is connected to the cutting part 4, and each of the two second connecting members 502 is connected to a fixing part 3. Exemplarily, the distance between two adjacent connecting members is equal; it is understood that the operator can adjust the position of each connecting member according to actual needs. Thus, by placing the two fixing parts 3 on both sides of the cutting part 4, the cutting part 4 is subjected to uniform force, reducing offset or vibration caused by unilateral load, and improving the stability of the fiber cross-section sample preparation effect.

[0040] In some embodiments of this utility model, referring to Figures 1 and 2, a first groove is provided at the first end of the first connector 501. The first groove is engaged with the cylindrical crossbar 201. Exemplarily, the first connector 501 is engaged with the cylindrical crossbar 201 through the first groove, that is, the first groove is sleeved on the cylindrical crossbar 201. A bolt is provided at the opening of the first groove to fix the opening of the first groove and prevent the first connector 501 from falling off the cylindrical crossbar 201 during rotation. A second groove is provided at the second end of the first connector 501, and the second groove is detachably connected to the cutting part 4. For example, the cutting part 4 is inserted into the second groove, and the two can also be fixed by bolts; the first ends of the two second connecting parts 502 are respectively provided with third grooves, which are engaged with the cylindrical crossbar 201. For example, the second connecting parts 502 are engaged with the cylindrical crossbar 201 through the second grooves, that is, the second grooves are sleeved on the cylindrical crossbar 201. Bolts are provided at the openings of the second grooves to fix the openings of the second grooves and prevent the second connecting parts 502 from falling off the cylindrical crossbar 201 during rotation. The second ends of the two second connecting parts 502 are respectively provided with fourth grooves, which are detachably connected to the fixing part 3. The fixing part 3 is inserted into the fourth grooves, and the two can also be fixed by bolts. In this way, the detachable connection between the second grooves and the cutting part 4, and the fourth grooves and the fixing part 3, allows for quick replacement of parts, adapts to different operational needs, and reduces maintenance costs. The first connector 501 and the second connector 502 are respectively snapped onto the cylindrical crossbar 201, which can be easily replaced or their positions adjusted, increasing the flexibility of the cutting device.

[0041] In some embodiments of this utility model, referring to Figures 1 and 2, the fixing part 3 includes a first pressure strip 301 and a second pressure strip 302; the first pressure strip 301 and the second pressure strip 302 are respectively inserted into a fourth groove, and the first pressure strip 301 and the second pressure strip 302 are respectively fixed to the second connector 502 by a first fastener 303, wherein the first fastener 303 can be a bolt, screw, or other structure. Exemplarily, the first pressure strip 301 and the second pressure strip 302 can be magnetic strips, and the operating table 1 can be a magnetic fixing platform. The first pressure strip 301 and the second pressure strip 302 are attracted to the operating table 1, and then the fibers are fixed between the fixing part 3 and the operating table 1 by magnetic force. The first pressure strip 301 and the second pressure strip 302 are respectively fixed by the first fastener 303. When one of the pressure strips is damaged, the damaged pressure strip can be disassembled individually, reducing operation steps and maintenance costs.

[0042] In some embodiments of this utility model, referring to Figures 1 and 2, the cutting part 4 includes a cutting handle 401 and a cutting assembly 402. The first end of the cutting handle 401 is inserted into a second groove, and the cutting assembly 402 is mounted on the cutting handle 401. Thus, after the cutting handle 401 and the cutting assembly 402 are assembled, the operator can directly hold the handle for cutting, improving operational safety. Furthermore, during use, different sizes of the cutting assembly 402 can be replaced as needed, improving the versatility and adaptability of the cutting device.

[0043] In some embodiments of this utility model, referring to Figures 1 and 2, the cutting handle 401 includes a first connecting rod 411, a second connecting rod 412, and a third connecting rod 413. The first end of the first connecting rod 411 is inserted into a second groove. The first connecting rod 411 is fixed to the first connecting member 501 by a second fastener 414. The first connecting rod 411 is perpendicular to the cylindrical crossbar 201. The second fastener 414 can be a bolt, screw, or similar structure. The second connecting rod 412 and the third connecting rod 413 are respectively fixedly connected to the first connecting rod 411, and both are parallel to the cylindrical crossbar 201. Exemplarily, a groove can be provided on the first connecting rod 411, and an integrated sensor, lighting device, or automated control module can be installed within the groove. During the cutting process, the operator can install a laser rangefinder through the pre-reserved groove on the connecting rod to achieve automated cutting and improve cutting accuracy. The second fastener 414 fixes the first connecting rod 411 to the first connecting piece 501. The second connecting rod 412 and the third connecting rod 413 are directly fixed to the first connecting rod 411. Each component can be disassembled independently, making it easy to replace damaged components.

[0044] In some embodiments of this utility model, referring to Figures 1 and 2, the cutting assembly 402 includes a first cutting blade 421 and a second cutting blade 422. The first end of a second connecting rod 412 is connected to the first end of the first cutting blade 421 via a third fastener 423, and the second end of the second connecting rod 412 is connected to the first end of the second cutting blade 422 via a fourth fastener 424. The first end of a third connecting rod 413 is connected to the second end of the first cutting blade 421 via a fifth fastener 425, and the second end of the third connecting rod 413 is connected to the second end of the second cutting blade 422 via a sixth fastener 426. The third fastener 423, fourth fastener 424, fifth fastener 425, and sixth fastener 426 can all be bolts, screws, or similar structures. The second connecting rod 412 and the third connecting rod 413 are arranged parallel to the cylindrical crossbar 201, providing a stable support plane for the cutting blade, reducing shaking or offset during the cutting process, and improving cutting accuracy. Each cutting blade is connected to the connecting rod by an independent fastener, allowing operators to quickly disassemble or replace damaged cutting blades without disassembling the entire assembly, thus improving maintenance efficiency and reducing maintenance costs.

[0045] In some embodiments of this utility model, referring to Figures 1 and 2, the upper surface of the operating table 1 is provided with at least one positioning line structure 6, which is perpendicular to the cutting part 4. For example, multiple scale lines are engraved on the upper surface of the operating table 1, and the positioning lines are perpendicular to the cutting part 4, forming a clear reference line. This allows the operator to quickly align the fibers, ensuring the cutting direction is consistent with the expected direction and reducing human error.

[0046] In some embodiments of this utility model, referring to Figures 1 and 2, a support leg 7 is provided at each apex corner of the lower surface of the worktable 1. The support leg 7 can be at least one of a telescopic rod or a caster wheel. Using a telescopic rod ensures the flatness of the worktable surface and allows independent adjustment of the height of each apex corner to compensate for uneven ground. The caster wheel allows the worktable 1 to be moved easily without the need for multiple people to carry it. At least one caster wheel can be locked (e.g., with a brake function), fixing it when stability is needed and unlocking it when movement is required, thus balancing flexibility and stability.

[0047] The above-described contents can be implemented individually or in combination in various ways, and all such variations are within the protection scope of this utility model.

[0048] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A fiber cross-section sample preparation and cutting device, characterized in that, include: The system includes: a worktable; a support portion disposed above the worktable, the support portion having a connecting portion rotatably connected to the support portion; a fixing portion, one end of which is detachably connected to the connecting portion, the fixing portion being perpendicular to the support portion, the fixing portion being used to fix the fibers; and a cutting portion, one end of which is detachably connected to the connecting portion, the cutting portion being perpendicular to the support portion, the cutting portion being used to cut the fibers.

2. The fiber cross-section sample preparation and cutting device according to claim 1, characterized in that, The support includes a cylindrical crossbar, with support rods at both ends of the cylindrical crossbar. The lower end of the support rod is fixedly connected to the upper surface of the operating table, and the connecting part is rotatably connected to the cylindrical crossbar.

3. The fiber cross-section sample preparation and cutting device according to claim 2, characterized in that, The connecting part includes a first connector and two second connectors, the first connector being disposed between the two second connectors; the first connector is connected to the cutting part, and the two second connectors are each connected to a fixing part.

4. The fiber cross-section sample preparation and cutting device according to claim 3, characterized in that, The first end of the first connector is provided with a first groove, which is engaged with the cylindrical crossbar. The second end of the first connector is provided with a second groove, which is detachably connected with the cutting part. The first ends of the two second connectors are respectively provided with a third groove, which is engaged with the cylindrical crossbar. The second ends of the two second connectors are respectively provided with a fourth groove, which is detachably connected with the fixing part.

5. The fiber cross-section sample preparation and cutting device according to claim 4, characterized in that, The fixing part includes a first pressure strip and a second pressure strip; the first pressure strip and the second pressure strip are respectively inserted into a fourth groove, and the first pressure strip and the second pressure strip are respectively fixed to the second connector by a first fastener.

6. The fiber cross-section sample preparation and cutting device according to claim 4, characterized in that, The cutting part includes a cutting handle and a cutting assembly. The first end of the cutting handle is inserted into the second groove, and the cutting assembly is mounted on the cutting handle.

7. The fiber cross-section sample preparation and cutting device according to claim 6, characterized in that, The cutting handle includes a first connecting rod, a second connecting rod, and a third connecting rod. The first end of the first connecting rod is inserted into the second groove. The first connecting rod is fixed to the first connecting member by a second fastener. The first connecting rod is perpendicular to the cylindrical crossbar. The second connecting rod and the third connecting rod are respectively fixedly connected to the first connecting rod. Both the second connecting rod and the third connecting rod are parallel to the cylindrical crossbar.

8. The fiber cross-section sample preparation and cutting device according to claim 7, characterized in that, The cutting assembly includes a first cutting blade and a second cutting blade. The first end of the second connecting rod is connected to the first end of the first cutting blade via a third fastener, and the second end of the second connecting rod is connected to the first end of the second cutting blade via a fourth fastener. The first end of the third connecting rod is connected to the second end of the first cutting blade via a fifth fastener, and the second end of the third connecting rod is connected to the second end of the second cutting blade via a sixth fastener.

9. The fiber cross-section sample preparation and cutting apparatus according to any one of claims 1 to 8, characterized in that, The upper surface of the operating table is provided with at least one positioning line structure, which is perpendicular to the cutting part.

10. The fiber cross-section sample preparation and cutting apparatus according to any one of claims 1 to 8, characterized in that, A support leg is provided at each of the top corners of the lower surface of the operating table.

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