Riser core carrying clamp

Abstract

A riser core carrying clamp comprises a mounting base, a connecting plate, a mounting plate, a supporting plate, a limiting assembly, a fixing assembly, a first locking piece and a second locking piece. The mounting base is provided with a first adjusting groove and a second adjusting groove, the supporting plate is mounted on the front side of the mounting base through the second adjusting groove, and the supporting plate can move left and right in the length direction of the second adjusting groove; a limiting assembly and a fixing assembly are installed on the top face of the installation plate, third adjusting grooves are formed in the installation plate, the bottoms of the left side and the right side of the installation plate are installed on the supporting plate through the third adjusting grooves correspondingly, and the installation plate can move front and back in the length direction of the third adjusting grooves. The utility model provides the riser core carrying clamp according to the content, and solves the problems that the riser core carrying clamp in the prior art can only carry one riser core at a time, and even one set of die can only carry the riser core of one specification and size, so that the carrying efficiency and the universality are low.

Description

TECHNICAL FIELD

[0001] The utility model relates to a riser core carries the technical field, especially a kind of riser core carries clamp. BACKGROUND

[0002] In the field of metal casting, riser core is an indispensable part in the casting process. The design of riser core aims to ensure that the casting can effectively remove gas, reduce shrinkage and porosity and other defects during solidification, so as to improve the overall quality and performance of the casting. In order to improve the efficiency and safety of handling, people usually use clamps to carry riser core.

[0003] However, the riser core carrying clamp in the prior art can only carry one riser core at a time, and even a set of mold can only carry one size of riser core, resulting in low efficiency and versatility. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a riser core carrying clamp to solve the problem that the riser core carrying clamp in the prior art can only carry one riser core at a time, and even a set of mold can only carry one size of riser core, resulting in low efficiency and versatility.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A riser core carrying clamp, comprising a mounting seat, a connecting plate, a mounting plate, a support plate, a limiting assembly, a fixing assembly, a first locking member and a second locking member;

[0007] The mounting seat is provided with a first adjusting groove and a second adjusting groove, and the support plate is installed on the front side of the mounting seat through the second adjusting groove. The support plate can move left and right along the length direction of the second adjusting groove;

[0008] The top surface of the mounting plate is provided with the limiting assembly and the fixing assembly. The mounting plate is provided with a third adjusting groove, and the bottom of the left and right sides of the mounting plate is installed on the support plate through the third adjusting groove. The mounting plate can move forward and backward along the length direction of the third adjusting groove;

[0009] The connecting plate is installed on the rear side of the mounting seat. The connecting plate can move left and right along the length direction of the first adjusting groove or the second adjusting groove. The connecting plate is connected to the mounting plate through the first locking member, and the connecting plate is connected to the support plate through the second locking member. The first locking member is located in the first adjusting groove, and the second locking member is located in the second adjusting groove.

[0010] Further, the rear side of the mounting seat is provided with a groove, and the groove is used for limiting the placement of the connecting plate.

[0011] Specifically, the limiting assembly comprises a first limiting piece, a second limiting piece, a third limiting piece, a fourth limiting piece, a first limiting column and a second limiting column;

[0012] The first limiting piece, the second limiting piece, the third limiting piece and the fourth limiting piece are respectively installed on the top surface of the mounting plate, and the first limiting piece and the fourth limiting piece are arranged in the left-right direction;

[0013] The number of the second limiting piece and the third limiting piece is two respectively, two second limiting pieces are located at the rear side of the left and right ends of the first limiting piece, two third limiting pieces are located at the rear side of the two second limiting pieces, the fourth limiting piece is located at the rear side between the two third limiting pieces, and the fourth limiting piece and the third limiting piece are arranged in the front-rear direction;

[0014] The first limiting column and the second limiting column are respectively installed on the top surface of the mounting plate, and the number of the first limiting column and the second limiting column is two respectively, two first limiting columns are located at the rear side outside the two second limiting pieces, two second limiting columns are located at the front side outside the two third limiting pieces, and two second limiting columns are located at the rear side of the two first limiting columns.

[0015] Preferably, the first limiting piece and the fourth limiting piece are arranged in mirror symmetry, the two second limiting pieces and the two third limiting pieces are arranged in mirror symmetry, and the two first limiting columns and the two second limiting columns are arranged in mirror symmetry.

[0016] In some embodiments, the mounting plate is provided with a fourth adjusting groove, the first limiting piece is installed on the mounting plate through the fourth adjusting groove, the first limiting piece can move forward and backward along the length direction of the fourth adjusting groove, the fourth limiting piece is installed on the mounting plate through the fourth adjusting groove, and the fourth limiting piece can move forward and backward along the length direction of the fourth adjusting groove.

[0017] Further, the mounting plate is provided with a fifth adjusting groove, the second limiting piece is installed on the mounting plate through the fifth adjusting groove, the second limiting piece can move left and right along the length direction of the fifth adjusting groove, the third limiting piece is installed on the mounting plate through the fifth adjusting groove, and the third limiting piece can move left and right along the length direction of the fifth adjusting groove.

[0018] Specifically, the fixing assembly comprises a first driving part, a second driving part, a first supporting piece, a second supporting piece, a first mounting block, a second mounting block, a third mounting block and a third driving part;

[0019] The first driving part, the second driving part, the first supporting piece, the second supporting piece, the first mounting block, the second mounting block and the third mounting block are respectively mounted on the mounting plate, and the first mounting block, the second mounting block and the third mounting block are respectively provided with the third driving part;

[0020] The first supporting block is located at the front side of the first limiting piece, the first driving part is located at the front side of the first supporting block, the two first mounting blocks are respectively located at the left and right sides of the first limiting block, the two second mounting blocks are respectively located at the rear sides of the outer sides of the two first limiting columns, the two second mounting blocks are respectively located at the front sides of the outer sides of the two second limiting columns, and the two third mounting blocks are respectively located at the left and right sides of the fourth limiting block.

[0021] The second supporting piece is located at the rear side of the fourth limiting piece, the second limiting piece is arranged in a center symmetry with the first limiting piece, the second driving part is located at the rear side of the second supporting piece, and the second driving part is arranged in a center symmetry with the first driving part.

[0022] Preferably, the mounting plate is provided with a sixth adjusting groove, and the first mounting block, the second mounting block and the third mounting block are respectively mounted on the mounting plate through the sixth adjusting groove, and the first mounting block, the second mounting block and the third mounting block can move forward and backward along the length direction of the sixth adjusting groove.

[0023] In some embodiments, the first mounting block, the second mounting block and the third mounting block are respectively provided with a seventh adjusting groove, and the first mounting block, the second mounting block and the third mounting block can be adjusted left and right along the length direction of the seventh adjusting groove.

[0024] Compared with the prior art, one of the above technical solutions has the following beneficial effects:

[0025] Through the mounting seat, the first adjusting groove, the second adjusting groove, the connecting plate, the mounting plate, the supporting plate, the third adjusting groove, the limiting assembly, the fixing assembly, the first locking piece and the second locking piece, the mounting plate can be adjusted along the length direction of the third adjusting groove of the supporting seat, can effectively adapt to different models and sizes of the first locking screw, improve the locking quality, and the connecting plate and the supporting plate can be adjusted left and right, which is beneficial to improve the applicability of the riser core carrying clamp, avoid the error of the hole and the locking connection, further, the number of the mounting plate, the limiting assembly and the fixing assembly is four, and in cooperation with the first adjusting groove, the second adjusting groove and the third adjusting groove, the position of the mounting plate in the front and rear directions can be adjusted, and the distance between the four mounting plates can be adjusted, so as to be suitable for transporting four riser cores of different models and sizes, and the carrying efficiency and the carrying versatility of the riser core carrying clamp are improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is the structure diagram of the riser core carrying clamp of one of the embodiments of the utility model;

[0027] Figure 2 is the structure diagram of the second adjusting groove of one of the embodiments of the utility model;

[0028] Figure 3 is the structure diagram of the limiting assembly and the fixing assembly of one of the embodiments of the utility model;

[0029] Figure 4 is the structure diagram of the seventh adjusting groove of one of the embodiments of the utility model;

[0030] Among them: mounting seat 1, first adjusting groove 11, second adjusting groove 12, groove 13, connecting plate 2, mounting plate 3, third adjusting groove 31, fourth adjusting groove 32, fifth adjusting groove 33, sixth adjusting groove 34, support plate 4, limiting assembly 5, first limiting piece 51, second limiting piece 52, third limiting piece 53, fourth limiting piece 54, first limiting column 55, second limiting column 56, fixing assembly 6, first drive part 61, second drive part 62, first support piece 63, second support piece 64, first mounting block 65, second mounting block 66, third mounting block 67, third drive part 68, seventh adjusting groove 69. DETAILED DESCRIPTION

[0031] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as the limitation of the utility model.

[0032] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", "inboard", "outboard", "inner end", "outer end", "axial", "radial", "circumferential" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore can not be understood as a limitation on the utility model. In addition, the features defined as "first", "second" can explicitly or implicitly include one or more features, for distinguishing the described features, without order, without difference. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0033] In one embodiment of the utility model, such as Figures 1-4The riser core carrying clamp is shown, including mounting seat 1, connecting plate 2, mounting plate 3, support plate 4, limiting assembly 5, fixed assembly 6, first locking piece and second locking piece, the mounting seat 1 is equipped with first adjusting groove 11 and second adjusting groove 12, the support plate 4 is installed on the front side of the mounting seat 1 through the second adjusting groove 12, the support plate 4 can move left and right along the length direction of the second adjusting groove 12, the top surface of the mounting plate 3 is installed with the limiting assembly 5 and the fixed assembly 6, the mounting plate 3 is equipped with third adjusting groove 31, the bottom of the left and right sides of the mounting plate 3 is installed on the support plate 4 through the third adjusting groove 31 respectively, the mounting plate 3 can move back and forth along the length direction of the third adjusting groove 31, the connecting plate 2 is installed on the rear side of the mounting seat 1, the connecting plate 2 can move left and right along the length direction of the first adjusting groove 11 or the second adjusting groove 12, the connecting plate 2 is connected to the mounting plate 3 through the first locking piece, the connecting plate 2 is connected to the support plate 4 through the second locking piece, the first locking piece is located in the first adjusting groove 11, and the second locking piece is located in the second adjusting groove 12.In the embodiment, the first locking member and the second locking member are locking screws, the number of the connecting plates 2, the mounting plates 3, the limiting assemblies 5 and the fixing assemblies 6 is four respectively, that is, four riser core products can be transported at the same time, when installing, the limiting assemblies 5 and the fixing assemblies 6 are respectively installed on the top surface of each mounting plate 3, the supporting plates 4 are respectively installed on the bottom surface of each mounting plate 3 at left and right sides, the mounting plates 3 can be moved and adjusted in the length direction of the third adjusting grooves 31, the number of the third adjusting grooves 31 is ten, after adjusting, the supporting plates 4 are installed on the front side of the mounting seat 1, and according to the actual situation, the supporting plates 4 are moved and adjusted in the length direction of the second adjusting grooves 12, after adjusting, the connecting plates 2 are placed on the rear side of the mounting seat 1, the mounting plates 3 and the connecting plates 2 are connected by the first locking members, and the connecting plates 2 and the supporting plates 4 are connected by the second locking members, specifically, one end of the first locking member is installed on the connecting plate 2, the other end of the first locking member passes through the first adjusting grooves 11 and is connected to the mounting plate 3, the other end of the second locking member is installed on the connecting plate 2, the other end of the second locking member passes through the second adjusting grooves 12 and is connected to the supporting plate 4, and during locking, the connecting plates 2 can be moved and adjusted left and right, thereby facilitating installation and connection; through the mounting seat 1, the first adjusting grooves 11, the second adjusting grooves 12, the connecting plates 2, the mounting plates 3, the supporting plates 4, the third adjusting grooves 31, the limiting assemblies 5, the fixing assemblies 6, the first locking members and the second locking members, the mounting plates 3 can be adjusted in the length direction of the third adjusting grooves 31 of the supporting seat 4, different models and sizes of the first locking screws can be effectively matched, the locking quality is improved, the connecting plates 2 and the supporting plates 4 can be adjusted left and right, which is beneficial to improve the applicability of the riser core carrying clamp, avoid errors in hole opening and cannot be locked and connected, further, the number of the mounting plates 3, the limiting assemblies 5 and the fixing assemblies 6 is four, and matched with the first adjusting grooves 11, the second adjusting grooves 12 and the third adjusting grooves 4, the position of the mounting plates 3 in the front and rear directions can be adjusted, and the distance between the four mounting plates 3 can be adjusted, thereby being suitable for transporting four riser cores of different models and sizes, which is beneficial to improve the carrying efficiency and carrying versatility of the riser core carrying clamp. It should be noted that the bottom of the outermost two mounting plates 3 is provided with a lifting ring.

[0034] As Figures 1-2As shown, the rear side of the mounting seat 1 is provided with a groove 13 for limiting the placement of the connecting plate 2. In this embodiment, the rear side of the left and right ends of the mounting seat 1 is respectively provided with the groove 13, and two connecting plates 2 are placed in each groove 13. The groove 13 limits the movement of the connecting plate 2, which can move left and right along the length direction of the groove 13 but cannot move up and down, thereby ensuring the placement efficiency of the connecting plate 2.

[0035] As shown in Figure 1 and Figure 3 The limiting assembly 5 includes a first limiting piece 51, a second limiting piece 52, a third limiting piece 53, a fourth limiting piece 54, a first limiting column 55, and a second limiting column 56. The first limiting piece 51, the second limiting piece 52, the third limiting piece 53, and the fourth limiting piece 54 are respectively installed on the top surface of the mounting plate 3. The first limiting piece 51 and the fourth limiting piece 54 are arranged in the left-right direction. The number of the second limiting piece 52 and the third limiting piece 53 is two. The two second limiting pieces 52 are located on the rear side of the left and right ends of the first limiting piece 51. The two third limiting pieces 53 are located on the rear side of the two second limiting pieces 52. The fourth limiting piece 54 is located on the rear side between the two third limiting pieces 53. The fourth limiting piece 54 and the third limiting piece 53 are arranged in the front-rear direction. The first limiting column 55 and the second limiting column 56 are respectively installed on the top surface of the mounting plate 3. The number of the first limiting column 55 and the second limiting column 56 is two. The two first limiting columns 55 are located on the rear side outside the two second limiting pieces 52. The two second limiting columns 56 are located on the front side outside the two third limiting pieces 53. The two second limiting columns 56 are located on the rear side of the two first limiting columns 55. In this embodiment, the first limiting piece 51, the second limiting piece 52, the third limiting piece 53, and the fourth limiting piece 54 have the same structure. The first limiting column 55 and the second limiting column 56 have the same structure. The first limiting piece 51, the two second limiting pieces 52, the two first limiting columns 55, the two second limiting columns 56, the two third limiting pieces 53, and the fourth limiting piece 54 are sequentially installed on the top surface of the mounting plate 3 from front to back. The two second limiting pieces 52 are located on the rear side of the left and right ends of the first limiting piece 51. The two first limiting columns 55 are located on the rear side outside the two second limiting pieces 52. The two second limiting columns 56 are located on the rear side of the two first limiting columns 55. The two third limiting pieces 53 are located on the rear side inside the two second limiting columns 56. The fourth limiting piece 54 is located on the rear side between the two third limiting pieces 53. Through the above arrangement, the riser core can be positioned and limited to be placed on the mounting plate 3, which is convenient and fast.

[0036] As shown in Figure 1 andFigure 3 As shown, the first limit piece 51 and the fourth limit piece 54 are mirror-symmetrically arranged, the two second limit pieces 52 and the two third limit pieces 53 are mirror-symmetrically arranged, and the two first limit columns 55 and the two second limit columns 56 are mirror-symmetrically arranged. In this embodiment, through the mirror-symmetric structure design, the riser core can be installed in the normal direction or in the reverse direction according to the actual situation and scene, thereby further improving the applicability of the riser core carrying clamp.

[0037] As shown in the figure, Figures 3-4 The mounting plate 3 is provided with a fourth adjusting groove 32, the first limit piece 51 is installed on the mounting plate 3 through the fourth adjusting groove 32, the first limit piece 51 can move back and forth along the length direction of the fourth adjusting groove 32, and the fourth limit piece 51 is installed on the mounting plate 3 through the fourth adjusting groove 32, and the fourth limit piece 54 can move back and forth along the length direction of the fourth adjusting groove 32. In this embodiment, the number of the fourth adjusting grooves 32 is two, and the first limit piece 51 and the fourth limit piece 54 can move back and forth along the length direction of the fourth adjusting groove 32, so as to adjust the installation position of the first limit piece 51 and the fourth limit piece 54, which not only facilitates debugging and installation, but also can be suitable for limiting and positioning the riser core of different models and sizes, thereby further improving the versatility of the riser core carrying clamp.

[0038] As shown in the figure, Figures 3-4 The mounting plate 3 is provided with a fifth adjusting groove 33, the second limit piece 52 is installed on the mounting plate 3 through the fifth adjusting groove 33, the second limit piece 52 can move left and right along the length direction of the fifth adjusting groove 33, the third limit piece 53 is installed on the mounting plate 3 through the fifth adjusting groove 33, and the third limit piece 53 can move left and right along the length direction of the fifth adjusting groove 33. In this embodiment, the number of the fifth adjusting grooves 33 is four, and the two second limit pieces 52 and the two third limit pieces 53 can move left and right along the length direction of the fifth adjusting groove 33, so as to adjust the installation position of the second limit piece 52 and the third limit piece 53, which not only facilitates debugging and installation, but also can be suitable for limiting and positioning the riser core of different models and sizes, thereby further improving the versatility of the riser core carrying clamp.

[0039] As shown in the figure, Figure 1 And Figure 3As shown, the fixing assembly 6 comprises a first driving part 61, a second driving part 62, a first supporting piece 63, a second supporting piece 64, a first mounting block 65, a second mounting block 66, a third mounting block 67 and a third driving part 68; the first driving part 61, the second driving part 62, the first supporting piece 63, the second supporting piece 64, the first mounting block 65, the second mounting block 66 and the third mounting block 67 are respectively installed on the mounting plate 3, and the first mounting block 65, the second mounting block 66 and the third mounting block 67 are respectively installed with the third driving part 68; the first supporting block 63 is located at the front side of the first limiting piece 51, the first driving part 61 is located at the front side of the first supporting block 63, the two first mounting blocks 65 are respectively located at the left and right sides of the first limiting block 51, the two second mounting blocks 66 are respectively located at the rear side of the outer side of the two first limiting columns 55, the two second mounting blocks 66 are respectively located at the front side of the outer side of the two second limiting columns 56, and the two third mounting blocks 67 are respectively located at the left and right sides of the fourth limiting block 54; the second supporting piece 64 is located at the rear side of the fourth limiting piece 54, the second limiting piece 64 is centrally symmetrically arranged with the first limiting piece 63, the second driving part 62 is located at the rear side of the second supporting piece 64, and the second driving part 62 is centrally symmetrically arranged with the first driving part 61. In this embodiment, the first driving part 61, the first supporting piece 63, the two first mounting blocks 65, the two second mounting blocks 66, the two third mounting blocks 67, the second supporting piece 64 and the second driving part 62 are sequentially installed on the mounting plate 3 from front to back, the first supporting piece 33 and the second supporting piece 34 are the same in structure, the first mounting block 65, the second mounting block 66 and the third mounting block 67 are the same in structure, the second mounting block 66 is located at the middle part of the first mounting block 65 and the third mounting block 67, the two first mounting blocks 65 and the two third mounting blocks 67 are mirror-symmetrically arranged, the first driving part 61 and the second driving part 62 are both swing-down pressing cylinders, the pressing ends of the first driving part 61 and the second driving part 62 can respectively swing towards the top of the first supporting piece 63 and the top of the second supporting piece 64, and the third driving part 68 is a pneumatic finger inner supporting expansion cylinder. Through the above structural arrangement, the riser core can be effectively fixed.

[0040] As Figures 3-4As shown, the mounting plate 3 is provided with sixth adjustment grooves 34, the first mounting block 65, the second mounting block 66 and the third mounting block 67 are respectively mounted on the mounting plate 3 through the sixth adjustment grooves 34, and the first mounting block 65, the second mounting block 66 and the third mounting block 67 can move back and forth along the length direction of the sixth adjustment grooves 34. In the embodiment, the number of the sixth adjustment grooves 34 is six respectively, and the first mounting block 65, the second mounting block 66 and the third mounting block 67 can move back and forth along the length direction of the sixth adjustment grooves 34, so that the position of the third driving part 68 can be adjusted, which is not only convenient for debugging and installation, but also applicable to the collision fixing of the riser cores of different models and sizes, and further improves the versatility of the riser core carrying clamp.

[0041] As shown in the drawings, Figures 3-4 As shown, the first mounting block 65, the second mounting block 66 and the third mounting block 67 are respectively provided with seventh adjustment grooves 69, and the first mounting block 65, the second mounting block 66 and the third mounting block 67 can be adjusted left and right along the length direction of the seventh adjustment grooves 69. In the embodiment, each of the first mounting block 65, each of the second mounting block 66 and each of the third mounting block 67 are provided with two seventh adjustment grooves 69, and the two seventh adjustment grooves 69 are arranged in a center symmetry manner, which is beneficial to improve the installation stability, and further, the first mounting block 65, the second mounting block 66 and the third mounting block 67 can be adjusted left and right along the length direction of the seventh adjustment grooves 69, which is not only convenient for debugging and installation, but also applicable to the collision fixing of the riser cores of different models and sizes, and further improves the versatility of the riser core carrying clamp.

[0042] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A riser core handling clamp characterized by: The mounting base, the connecting plate, the mounting plate, the support plate, the limiting assembly, the fixing assembly, the first locking piece and the second locking piece are included. The mounting base is provided with a first adjusting groove and a second adjusting groove, the support plate is installed on the front side of the mounting base through the second adjusting groove, and the support plate can move left and right along the length direction of the second adjusting groove. The top surface of the mounting plate is provided with the limiting assembly and the fixing assembly, the mounting plate is provided with a third adjusting groove, the bottom of the left and right sides of the mounting plate is installed on the support plate through the third adjusting groove, and the mounting plate can move forward and backward along the length direction of the third adjusting groove. The connecting plate is installed on the rear side of the mounting base, the connecting plate can move left and right along the length direction of the first adjusting groove or the second adjusting groove, the connecting plate is connected to the mounting plate through the first locking piece, the connecting plate is connected to the support plate through the second locking piece, the first locking piece is located in the first adjusting groove, and the second locking piece is located in the second adjusting groove.

2. A riser core handling clamp according to claim 1, wherein: The rear side of the mounting base is provided with a groove for limiting the placement of the connecting plate.

3. A riser core handling clamp according to claim 1, wherein: The limiting assembly includes a first limiting piece, a second limiting piece, a third limiting piece, a fourth limiting piece, a first limiting column and a second limiting column. The first limiting piece, the second limiting piece, the third limiting piece and the fourth limiting piece are respectively installed on the top surface of the mounting plate, and the first limiting piece and the fourth limiting piece are arranged in the left-right direction. The number of the second limiting piece and the third limiting piece is two respectively, the two second limiting pieces are located on the rear side of the left and right ends of the first limiting piece, the two third limiting pieces are located on the rear side of the two second limiting pieces, the fourth limiting piece is located between the two third limiting pieces, and the fourth limiting piece and the third limiting piece are arranged in the front-rear direction. The first limiting column and the second limiting column are respectively installed on the top surface of the mounting plate, the number of the first limiting column and the second limiting column is two respectively, the two first limiting columns are located on the rear side of the outer side of the two second limiting pieces, the two second limiting columns are located on the front side of the outer side of the two third limiting pieces, and the two second limiting columns are located on the rear side of the two first limiting columns.

4. A riser core handling clamp according to claim 3, wherein: The first limiting piece and the fourth limiting piece are mirror-symmetrically arranged, the two second limiting pieces and the two third limiting pieces are mirror-symmetrically arranged, and the two first limiting columns and the two second limiting columns are mirror-symmetrically arranged.

5. A riser core handling clamp according to claim 3, wherein: The mounting plate is provided with a fourth adjusting groove, the first limiting piece is installed on the mounting plate through the fourth adjusting groove, the first limiting piece can move forward and backward along the length direction of the fourth adjusting groove, the fourth limiting piece is installed on the mounting plate through the fourth adjusting groove, and the fourth limiting piece can move forward and backward along the length direction of the fourth adjusting groove.

6. A riser core handling clamp according to claim 3, wherein: The mounting plate is provided with a fifth adjusting groove, the second limiting piece is installed on the mounting plate through the fifth adjusting groove, the second limiting piece can move left and right along the length direction of the fifth adjusting groove, the third limiting piece is installed on the mounting plate through the fifth adjusting groove, and the third limiting piece can move left and right along the length direction of the fifth adjusting groove.

7. A riser core handling clamp according to claim 3, wherein: The fixing assembly comprises a first driving part, a second driving part, a first supporting piece, a second supporting piece, a first mounting block, a second mounting block, a third mounting block and a third driving part. The first driving part, the second driving part, the first supporting piece, the second supporting piece, the first mounting block, the second mounting block and the third mounting block are respectively installed on the mounting plate, and the first mounting block, the second mounting block and the third mounting block are respectively installed with the third driving part. The first supporting piece is located at the front side of the first limiting piece, the first driving part is located at the front side of the first supporting piece, the two first mounting blocks are respectively located at the left and right sides of the first limiting piece, the two second mounting blocks are respectively located at the rear sides of the outer sides of the two first limiting columns, the two second mounting blocks are respectively located at the front sides of the outer sides of the two second limiting columns, and the two third mounting blocks are respectively located at the left and right sides of the fourth limiting piece. The second supporting piece is located at the rear side of the fourth limiting piece, the second limiting piece is arranged in a center symmetry with the first limiting piece, the second driving part is located at the rear side of the second supporting piece, and the second driving part is arranged in a center symmetry with the first driving part.

8. A riser core handling clamp according to claim 7, wherein: The mounting plate is provided with a sixth adjusting groove, the first mounting block, the second mounting block and the third mounting block are respectively installed on the mounting plate through the sixth adjusting groove, and the first mounting block, the second mounting block and the third mounting block can respectively move forward and backward along the length direction of the sixth adjusting groove.

9. A riser core handling clamp according to claim 7, wherein: The first mounting block, the second mounting block and the third mounting block are respectively provided with a seventh adjusting groove, and the first mounting block, the second mounting block and the third mounting block can respectively adjust left and right along the length direction of the seventh adjusting groove.

Images