Fixing device for fixing steel grating

Abstract

The invention discloses a fixing device for fixing a steel grating, which is used for clamping and fixing a steel grating frame on platform profile steel, and comprises a clamping piece, a fixing bolt welded on the top surface of the platform profile steel, and a fastening nut capable of being in threaded connection with the fixing bolt, and a movable assembly and an auxiliary assembly are respectively arranged on the clamping piece; the movable assembly comprises a sliding block in sliding connection with the clamping piece, a clamping plate fixedly connected with the sliding block, and a threaded long rod rotationally arranged on the clamping piece and in threaded connection with the sliding block. The steel grating frame is fixed by matching and locking the fastening nuts and the fixing bolts, the overall structure is low in cost and easy to manufacture, the purchase cost of a traditional saddle clamp can be reduced, the steel grating frame is effectively prevented from falling off, and the problem of loosening of the steel grating frame is solved synchronously.

Description

Technical Field

[0001] The invention relates to the technical field of shipbuilding, and in particular to a fixing device for fixing a steel grille. Background Art

[0002] Commonly used marine platform steel gratings are in the form of saddle clamps. The clamps are divided into two parts, which are placed on both sides of the grating and the platform structure and fixed by tightening bolts. Since the bottom clip is not fixed, the bottom clip is easy to fall off during the disassembly process and the grating is easy to loosen. For this reason, we propose a fixing device for fixing the steel grating. Summary of the invention

[0003] The object of the present invention is to provide a fixing device for fixing a steel grating to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a fixing device for fixing a steel grating, used for clamping and fixing a steel grating frame on a platform profile steel, comprising a clip, a fixing bolt welded on the top surface of the platform profile steel, and a fastening nut threadably connected to the fixing bolt, wherein the clip is respectively provided with a movable component and an auxiliary component; the movable component comprises a slider slidably connected to the clip, a clamping plate fixedly connected to the slider, a threaded long rod rotatably arranged on the clip and threadably connected to the slider, a first transmission gear fixedly mounted on the end of the threaded long rod, a transmission shaft rotatably arranged inside the clip, and a second transmission gear fixedly mounted on the end of the transmission shaft, the second transmission gear being meshed and transmission-connected with the first transmission gear; the auxiliary component comprises a hexagonal column fixedly mounted on the transmission shaft passing through the end of the clip, six movable components respectively set up parallel to the six sides of the hexagonal column The cam is an assembly of a plurality of gears, a plurality of gears having a plurality of engagement rings, a plurality of gears having a plurality of engagement rings, a plurality of gears having a plurality of engagement rings, and a plurality of gears having a plurality of engagement rings.

[0005] Preferably, the clip is designed in a "X"-shaped structure, and is provided with holes for passing fixing bolts.

[0006] Preferably, there are two clamping plates in total, and the two clamping plates are symmetrically arranged on both sides of the central axis of the clip.

[0007] Preferably, there are six auxiliary bevel gears in total, and the six auxiliary bevel gears and the main bevel gear are all located in the internal cavity of the hexagonal cylinder, and the six auxiliary bevel gears are all meshingly connected with the main bevel gear.

[0008] Preferably, the threaded short rod is threadedly connected to the auxiliary nut, and the size of the limit block is larger than the size of the threaded hole on the auxiliary nut.

[0009] Preferably, the number of the connecting tubes is consistent with the number of the movable plates, two convex strips are arranged on a single connecting tube, and the connecting tube is slidably connected to the hexagonal column via the convex strips.

[0010] Preferably, the first friction block and the second friction block are both designed as annular structures, and the first friction block and the second friction block can form a circular gap for accommodating the sliding rod.

[0011] Preferably, a first friction pattern for enhancing friction is arranged on the side of the first friction block close to the expansion block, and a second friction pattern for enhancing friction is also arranged on the side of the second friction block close to the expansion block.

[0012] Preferably, two expansion blocks are provided, and both expansion blocks can contact the first friction block and the second friction block.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The present invention is designed to weld the fixing bolts to the platform profile steel for fixing, partially clamp the steel grid frame through the upper part of the clip, and then fix it by locking the fastening nut and the fixing bolt. The overall structure has low cost and simple production, which can reduce the purchase cost of the traditional saddle clamp, effectively prevent the steel grid frame from falling, and simultaneously solve the loosening problem of the steel grid frame.

[0015] 2. The present invention sets up a movable component on the clip to adjust the distance between the clamp and the clip. It is suitable for steel grid frames with different steel plate thicknesses, expanding the scope of application to meet the use of different application scenarios and improving practicality. A locking component and an auxiliary component are also provided on the clip, wherein the hexagonal column in the auxiliary component can cooperate with a socket or a wrench to adjust the position of the clamp to meet actual use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 It is an exploded view of the overall structure of the present invention;

[0018] Figure 3 for Figure 1 A schematic diagram of the structure enlargement in the middle;

[0019] Figure 4 It is a first cross-sectional schematic diagram of the clip structure of the present invention;

[0020] Figure 5 for Figure 4 A magnified schematic diagram of the structure at B in the middle;

[0021] Figure 6 This is a schematic diagram of the connecting tube structure of the present invention;

[0022] Figure 7 This is a schematic diagram of the main bevel gear structure of the present invention;

[0023] Figure 8 It is a second cross-sectional schematic diagram of the clip structure of the present invention;

[0024] Fig. 9 It is a schematic diagram of the structure of the first friction block and the second friction block of the present invention.

[0025] In the figure: 1. platform profile steel; 11. fixing bolt; 2. steel body grid frame; 3. clip; 4. fastening nut; 5. auxiliary component; 51. hexagonal column; 52. movable plate; 53. connecting tube; 54. knob; 55. connecting shaft; 56. main bevel gear; 57. threaded short rod; 58. secondary bevel gear; 59. auxiliary nut; 510. limit block; 511. convex strip; 6. locking component; 61. sliding rod; 62. convex block; 63. first friction block; 64. second friction block; 65. connecting plate; 66. reset spring; 67. expansion block; 7. movable component; 71. clamping plate; 72. slider; 73. threaded long rod; 74. first transmission gear; 75. second transmission gear; 76. transmission shaft. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-9The present invention provides a technical solution: a fixing device for fixing a steel grating, which is used to clamp and fix a steel grating frame 2 on a platform profile steel 1, comprising a clip 3, a fixing bolt 11 welded on the top surface of the platform profile steel 1, and a fastening nut 4 that can be threadedly connected to the fixing bolt 11, and a movable component 7 and an auxiliary component 5 are respectively arranged on the clip 3; the clip 3 is designed as a "J"-shaped structure, and a hole for passing the fixing bolt 11 is opened on the clip 3. The clip 3 of such design cooperates with the clamping plate 71 to meet the actual clamping and fixing requirements, thereby ensuring its actual use requirements.

[0028] The movable component 7 includes a slider 72 slidably connected to the clip 3, a clamping plate 71 fixedly connected to the slider 72, a threaded long rod 73 rotatably set on the clip 3 and threadedly connected to the slider 72, a first transmission gear 74 fixedly installed at the end of the threaded long rod 73, a transmission shaft 76 rotatably set inside the clip 3, and a second transmission gear 75 fixedly installed at the end of the transmission shaft 76, and the second transmission gear 75 is meshed and transmission-connected with the first transmission gear 74; there are two clamping plates 71 in total, and the two clamping plates 71 are symmetrically arranged on both sides of the central axis of the clip 3. The position of the clamping plates 71 of this design can be flexibly adjusted to fit the steel grid frame 2 made of steel plates of different thicknesses, thereby expanding its scope of application and improving the practicality of the overall device.

[0029] The auxiliary component 5 includes a hexagonal column 51 fixedly mounted on the end of the transmission shaft 76 passing through the clip 3, six movable plates 52 respectively set parallel to the six sides of the hexagonal column 51, a connecting tube 53 fixedly connected to the movable plate 52, a connecting shaft 55 rotatably arranged inside the hexagonal column 51, a knob 54 fixedly mounted on the top of the connecting shaft 55, a main bevel gear 56 fixedly mounted on the bottom end of the connecting shaft 55, a threaded short rod 57 rotatably arranged inside the hexagonal column 51, a secondary bevel gear 58 fixedly mounted on the end of the threaded short rod 57, an auxiliary nut 59 fixedly mounted on the inner surface of the connecting tube 53, a convex strip 511 fixedly mounted on the outer surface of the connecting tube 53, and a limit block 51 fixedly mounted on the threaded short rod 57 at the end of the inner cavity of the connecting tube 53 0; There are six auxiliary bevel gears 58 in total, and the six auxiliary bevel gears 58 and the main bevel gear 56 are all located in the internal cavity of the hexagonal column 51, and the six auxiliary bevel gears 58 are all meshed and transmission-connected with the main bevel gear 56, the threaded short rod 57 is threadedly connected with the auxiliary nut 59, and the size of the limit block 510 is larger than the size of the threaded hole on the auxiliary nut 59. Such design can avoid the phenomenon of separation between the threaded short rod 57 and the connecting tube 53, thereby improving the stability of the connection relationship between the various components in the overall structure. The number of connecting tubes 53 is consistent with the number of movable plates 52, and two convex strips 511 are arranged on a single connecting tube 53, and the connecting tube 53 is slidably connected with the hexagonal column 51 through the convex strips 511, further improving the flexibility of the overall structure.

[0030] The hexagonal column 51 is provided with a locking assembly 6, which includes a slide bar 61 slidably arranged on the hexagonal column 51, a protrusion 62 fixedly installed on the slide bar 61 and passing through the top end of the hexagonal column 51, an expansion block 67 fixedly installed on the slide bar 61 and passing through the bottom end of the hexagonal column 51, a first friction block 63 and a second friction block 64 fixedly installed on the clip 3, a connecting plate 65 fixedly installed on the slide bar 61, and a return spring 66 whose two ends are fixedly connected to the connecting plate 65 and the clip 3 respectively. The first friction block 63 and the second friction block 64 are both designed as annular structures, and the first friction block 63 and the second friction block 64 can form a circular shape for accommodating the slide bar 61. The first friction block 63 is provided with a first friction pattern for enhancing friction on the side close to the expansion block 67, and the second friction block 64 is provided with a second friction pattern for enhancing friction on the side close to the expansion block 67. There are two expansion blocks 67 in total, and both expansion blocks 67 can contact the first friction block 63 and the second friction block 64. The expansion block 67 can increase the contact area between itself and the first friction block 63 and the second friction block 64, and then cooperate with the first friction pattern and the second friction pattern to generate a certain friction force, and the structure contained in the friction locking device can be used to further improve the stability of the overall device and enhance the fixing effect of the overall device.

[0031] Working principle: The "J"-shaped clip 3 can form a slot with the clamping plate 71, so that the steel grid frame 2 can be clamped inside the slot, and then the clip 3 is passed through the fixing bolt 11 welded on the platform profile steel 1, and then the clip 3 is locked on the fixing bolt 11 by tightening the nut 4, so that the position of the steel grid frame 2 can be clamped and fixed on the platform profile steel 1; when encountering a steel grid frame 2 made of steel plates of different thicknesses, when it is necessary to adjust the size of the slot between the clip 3 and the clamping plate 71, it is connected to the hexagonal column 51 through a sleeve or a wrench, and then the hexagonal column 5 is driven. 1 rotates, the transmission shaft 76 fixedly connected to the hexagonal column 51 rotates synchronously inside the clamping piece 3, the second transmission gear 75 fixed at the end of the transmission shaft 76 and the first transmission gear 74 fixed at the end of the threaded long rod 73 are meshed and connected, and the threaded long rod 73 is also threadedly connected to the slider 72, and the slider 72 fixedly connected to the clamping plate 71 is also slidably connected to the clamping piece 3. Therefore, after the transmission shaft 76 rotates, the threaded long rod 73 rotates synchronously to drive the clamping plate 71 to slide on the clamping piece 3, so as to adjust the size of the slot between the clamping piece 3 and the clamping plate 71 to meet the requirements of different thicknesses of steel. The clamping requirements of the steel grid frame 2 made of plate; and before driving the hexagonal column 51 to rotate, it is necessary to press the protrusion 62 first, and the slide bar 61 fixedly connected to the protrusion 62 slides downward on the clamping piece 3, and the expansion block 67 fixed at the lower end of the slide bar 61 slides synchronously, so that a gap is generated between the expansion block 67 and the second friction block 64 and the first friction block 63. At this moment, the hexagonal column 51 can rotate on the clamping piece 3, and after releasing the protrusion 62, the connecting plate 65 fixed on the slide bar 61 is further connected to the clamping piece 3 through the reset spring 66, and then in the reset Under the elastic force of the spring 66, the slide bar 61 is driven to slide upward, eliminating the gap between the expansion block 67 and the first friction block 63 and the second friction block 64. At this time, the expansion block 67 is in close contact with the first friction block 63 and the second friction block 64. The first friction pattern on the first friction block 63 cooperates with the second friction pattern on the second friction block 64 and the expansion block 67 to generate a certain friction force, thereby limiting the movement of the expansion block 67, and then limiting the rotation of the hexagonal column 51, further locking the state of the threaded long rod 73 and the clamping plate 71, and improving the stability of the overall device;In actual application, when encountering different types of wrenches or sockets, the knob 54 is turned, and the connecting shaft 55 fixedly connected to the knob 54 rotates synchronously inside the hexagonal column 51, and the main bevel gear 56 fixed at the end of the connecting shaft 55 is meshed and connected with the six secondary bevel gears 58 respectively, and the secondary bevel gear 58 is fixed with a threaded short rod 57, which is threadedly connected with the auxiliary nut 59 fixed on the connecting cylinder 53, and the outer surface of the connecting cylinder 53 is fixed with a convex strip 511 for sliding connection with the hexagonal column 51, so after the knob 54 is turned, the threaded short rod 57 rotates synchronously, thereby driving the connecting cylinder 53 to slide, thereby changing the distance between the movable plate 52 fixed at the end of the connecting cylinder 53 and the side of the hexagonal column 51, and the six movable plates 52 are symmetrically arranged on the sides of the six sides of the hexagonal column 51, and the six movable plates 52 slide synchronously to meet the application of different types of wrenches or sockets. ;

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixing device for fixing a steel grating, used for clamping and fixing a steel grating frame (2) on a platform profile steel (1), characterized in that: It comprises a clip (3), a fixing bolt (11) welded to the top surface of a platform profile steel (1), and a fastening nut (4) threadably connected to the fixing bolt (11), wherein the clip (3) is respectively provided with a movable component (7) and an auxiliary component (5); The movable assembly (7) comprises a slider (72) slidably connected to the clamp (3), a clamp (71) fixedly connected to the slider (72), a threaded long rod (73) rotatably arranged on the clamp (3) and threadedly connected to the slider (72), a first transmission gear (74) fixedly mounted on the end of the threaded long rod (73), a transmission shaft (76) rotatably arranged inside the clamp (3), and a second transmission gear (75) fixedly mounted on the end of the transmission shaft (76), wherein the second transmission gear (75) is meshedly connected to the first transmission gear (74). The auxiliary component (5) comprises a hexagonal column (51) fixedly mounted on the end of the transmission shaft (76) passing through the clamp (3), six movable plates (52) respectively arranged parallel to the six side surfaces of the hexagonal column (51), a connecting tube (53) fixedly connected to the movable plate (52), a connecting shaft (55) rotatably arranged inside the hexagonal column (51), a knob (54) fixedly mounted on the top of the connecting shaft (55), a main bevel gear (56) fixedly mounted on the bottom of the connecting shaft (55), a threaded short rod (57) rotatably arranged inside the hexagonal column (51), a secondary bevel gear (58) fixedly mounted on the end of the threaded short rod (57), an auxiliary nut (59) fixedly mounted on the inner surface of the connecting tube (53), a convex strip (511) fixedly mounted on the outer surface of the connecting tube (53), and a stopper (510) fixedly mounted on the threaded short rod (57) and located at the end of the inner cavity of the connecting tube (53); The hexagonal column (51) is provided with a locking assembly (6), which comprises a sliding rod (61) slidably arranged on the hexagonal column (51), a protrusion (62) fixedly mounted on the sliding rod (61) and passing through the top end of the hexagonal column (51), an expansion block (67) fixedly mounted on the sliding rod (61) and passing through the bottom end of the hexagonal column (51), a first friction block (63) and a second friction block (64) fixedly mounted on the clip (3), a connecting plate (65) fixedly mounted on the sliding rod (61), and a return spring (66) having two ends fixedly connected to the connecting plate (65) and the clip (3) respectively.

2. The fixing device for fixing a steel grating according to claim 1, characterized in that: The clip (3) is designed as a "X"-shaped structure, and a hole for passing a fixing bolt (11) is provided on the clip (3).

3. The fixing device for fixing a steel grating according to claim 1, characterized in that: There are two clamping plates (71) in total, and the two clamping plates (71) are symmetrically arranged on both sides of the central axis of the clamping piece (3).

4. The fixing device for fixing a steel grating according to claim 1, characterized in that: There are six auxiliary bevel gears (58) in total. The six auxiliary bevel gears (58) and the main bevel gear (56) are all located in the internal cavity of the hexagonal column (51), and the six auxiliary bevel gears (58) are all meshed and transmission-connected with the main bevel gear (56).

5. The fixing device for fixing a steel grating according to claim 1, characterized in that: The threaded short rod (57) is threadedly connected to the auxiliary nut (59), and the size of the limit block (510) is larger than the size of the threaded hole on the auxiliary nut (59).

6. The fixing device for fixing a steel grating according to claim 1, characterized in that: The number of the connecting tubes (53) is consistent with the number of the movable plates (52); two convex strips (511) are arranged on a single connecting tube (53); and the connecting tube (53) is slidably connected to the hexagonal column (51) via the convex strips (511).

7. The fixing device for fixing a steel grating according to claim 1, characterized in that: The first friction block (63) and the second friction block (64) are both designed as annular structures, and the first friction block (63) and the second friction block (64) can form a circular gap for accommodating the sliding rod (61).

8. The fixing device for fixing a steel grating according to claim 1, characterized in that: A first friction pattern for enhancing friction is arranged on the side of the first friction block (63) close to the expansion block (67), and a second friction pattern for enhancing friction is also arranged on the side of the second friction block (64) close to the expansion block (67).

9. The fixing device for fixing a steel grille according to claim 1, characterized in that: There are two expansion blocks (67) in total, and both expansion blocks (67) can contact the first friction block (63) and the second friction block (64).

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