Fixing device for steel grating fixation

Abstract

The application discloses a fixing device for fixing a steel grating, which is used for clamping and fixing a steel grating frame on a 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 which can be threadedly connected with the fixing bolt, wherein the clamping piece is respectively provided with a movable assembly and an auxiliary assembly; the movable assembly comprises a sliding block which is slidably connected with the clamping piece, a clamping plate which is fixedly connected with the sliding block, and a threaded long rod which is rotatably arranged on the clamping piece and is threadedly connected with the sliding block. The fixing device for fixing the steel grating is designed to weld the fixing bolt on the platform profile steel, to clamp the steel grating frame by the clamping piece, and to fix the steel grating frame by locking the fixing bolt and the fastening nut. The fixing device has low overall structure cost, is simple to manufacture, can reduce the purchase cost of traditional saddle clamps, can effectively prevent the steel grating frame from falling, and can simultaneously solve the loosening problem of the steel grating frame.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of shipbuilding, in particular to a fixing device for fixing a steel grating. BACKGROUND

[0002] The commonly used platform steel grating adopts a saddle clamp form, the clamp is divided into two parts, the clamping pieces are respectively placed on both sides of the grating and the platform structure, and is fixed through fastening bolts. Since the bottom clamping piece is not fixed, the bottom clamping piece is easy to fall off during disassembly, and the grating is easy to loosen. Therefore, the present application provides a fixing device for fixing a steel grating. SUMMARY

[0003] The present application aims to provide a fixing device for fixing a steel grating to solve the problems in the background.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a fixing device for fixing a steel grating, used for clamping and fixing a steel grating frame on a platform profile steel, comprising a clamping piece, a fixing bolt welded on the top surface of the platform profile steel, and a fastening nut threadedly connected with the fixing bolt, wherein the clamping piece is provided with a movable assembly and an auxiliary assembly respectively; the movable assembly comprises a sliding block slidably connected with the clamping piece, a clamping plate fixedly connected with the sliding block, a threaded long rod threadedly connected with the sliding block and rotatably arranged on the clamping piece, a first transmission gear fixedly installed at the end of the threaded long rod, a transmission shaft rotatably arranged in the clamping piece, and a second transmission gear fixedly installed at the end of the transmission shaft, wherein the second transmission gear is in meshing transmission connection with the first transmission gear; the auxiliary assembly comprises a hexagonal column fixedly installed at the end of the transmission shaft penetrating through the clamping piece, six movable plates respectively arranged in parallel with the six sides of the hexagonal column, a connecting cylinder fixedly connected with the movable plates, a connecting shaft rotatably arranged in the hexagonal column, a knob fixedly installed at the top end of the connecting shaft, a main conical gear fixedly installed at the bottom end of the connecting shaft, a threaded short rod rotatably arranged in the hexagonal column, a secondary conical gear fixedly installed at the end of the threaded short rod, an auxiliary nut fixedly installed on the inner surface of the connecting cylinder, a convex strip fixedly installed on the outer surface of the connecting cylinder, and a limiting block fixedly installed at the end of the threaded short rod in the inner cavity of the connecting cylinder; the hexagonal column is provided with a locking assembly, and the locking assembly comprises a sliding rod slidably arranged on the hexagonal column, a protrusion fixedly installed at the top end of the sliding rod penetrating through the hexagonal column, an expansion block fixedly installed at the bottom end of the sliding rod penetrating through the hexagonal column, a first friction block and a second friction block fixedly installed on the clamping piece, a connecting plate fixedly installed on the sliding rod, and a return spring fixedly connected at both ends with the connecting plate and the clamping piece.

[0005] Preferably, the clamping piece is designed in a U-shaped structure, and a hole for penetrating the fixing bolt is formed in the clamping piece.

[0006] Preferably, the clamping plate is provided with two, two clamping plates are symmetrically arranged on both sides of the clamping piece center axis.

[0007] Preferably, the six sub-conical gears are located in the internal cavity of the hexagonal column, and the six sub-conical gears are in meshing transmission connection with the main conical gear.

[0008] Preferably, the threaded short rod is in threaded connection with the auxiliary nut, and the size of the limiting block is greater than the size of the threaded hole on the auxiliary nut.

[0009] Preferably, the number of the connecting barrels is consistent with the number of the movable plates, two convex stripes are arranged on a single connecting barrel, and the connecting barrel is in sliding connection with the hexagonal column through the convex stripes.

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

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

[0012] Preferably, the expansion block is provided with two, and the two expansion blocks can be in contact with the first friction block and the second friction block.

[0013] Compared with the prior art, the present application has the following advantages:

[0014] 1. In the present application, the fixed bolt is welded on the platform profile steel, the upper part of the clamping piece clamps the steel grid, and the fixed bolt is locked by the cooperation of the fastening nut, so that the overall structure is low in cost and simple in manufacturing, the purchasing cost of the traditional saddle clamp can be reduced, the steel grid is effectively prevented from falling off, and the loosening problem of the steel grid is solved.

[0015] 2. In the present application, the movable assembly is arranged on the clamping piece to adjust the distance between the clamping plate and the clamping piece, which is suitable for different thicknesses of the steel grid and expands the application range to meet different application scenarios and improve the practicability. The locking assembly and the auxiliary assembly are arranged on the clamping piece, the hexagonal column in the auxiliary assembly can cooperate with the sleeve or the wrench to adjust the position of the clamping plate, and the actual use demand is met. BRIEF DESCRIPTION OF DRAWINGS

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

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

[0018] Figure 3 For Figure 1 Structure enlarged schematic view at A in the middle;

[0019] Figure 4 First cut schematic view of the clamping piece structure of the application;

[0020] Figure 5 For Figure 4 Structure enlarged schematic view at B in the middle;

[0021] Figure 6 Schematic view of the connecting cylinder structure of the application;

[0022] Figure 7 Schematic view of the main bevel gear structure of the application;

[0023] Figure 8 Second cut schematic view of the clamping piece structure of the application;

[0024] Figure 9 Schematic view of the first and second friction blocks of the application.

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

[0026] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0027] Please refer to Figures 1-9The application provides a technical scheme: a fixing device for fixing a steel grating, which is used for clamping and fixing a steel grating frame 2 on a platform profile steel 1, and comprises a clamping piece 3, a fixing bolt 11 welded on the top surface of the platform profile steel 1, and a fastening nut 4 threadedly connected with the fixing bolt 11, and the clamping piece 3 is provided with a movable assembly 7 and an auxiliary assembly 5 respectively; the clamping piece 3 is designed in a U-shaped structure, and a hole for passing through the fixing bolt 11 is formed in the clamping piece 3, so that the clamping piece 3 cooperated with the clamping plates 71 meets the actual clamping and fixing requirements, thereby ensuring the actual use requirements.

[0028] The movable assembly 7 comprises a sliding block 72 slidably connected with the clamping piece 3, a clamping plate 71 fixedly connected with the sliding block 72, a threaded long rod 73 rotatably arranged on the clamping piece 3 and threadedly connected with the sliding block 72, a first transmission gear 74 fixedly installed at the end of the threaded long rod 73, a transmission shaft 76 rotatably arranged in the clamping piece 3, and a second transmission gear 75 fixedly installed at the end of the transmission shaft 76, and the second transmission gear 75 is in meshing transmission connection with the first transmission gear 74; the clamping plate 71 is provided with two, and the two clamping plates 71 are symmetrically arranged on the two sides of the central axis of the clamping piece 3, so that the position of the clamping plate 71 can be flexibly adjusted to adapt to the steel grating frame 2 made of steel plates with different thicknesses, thereby expanding the application range and improving the practicability of the overall device.

[0029] The auxiliary assembly 5 comprises a hexagonal column 51 fixedly installed at the end of the transmission shaft 76 passing through the clamping piece 3, six movable plates 52 respectively and parallelly arranged with the six sides of the hexagonal column 51, a connecting cylinder 53 fixedly connected with the movable plates 52, a connecting shaft 55 rotatably arranged in the hexagonal column 51, a knob 54 fixedly installed at the top end of the connecting shaft 55, a main conical gear 56 fixedly installed at the bottom end of the connecting shaft 55, a threaded short rod 57 rotatably arranged in the hexagonal column 51, a secondary conical gear 58 fixedly installed at the end of the threaded short rod 57, an auxiliary nut 59 fixedly installed on the inner surface of the connecting cylinder 53, a convex strip 511 fixedly installed on the outer surface of the connecting cylinder 53, and a limiting block 510 fixedly installed at the end of the threaded short rod 57 in the inner cavity of the connecting cylinder 53; the secondary conical gear 58 is provided with six, and the six secondary conical gears 58 and the main conical gear 56 are located in the internal cavity of the hexagonal column 51, and the six secondary conical gears 58 are in meshing transmission connection with the main conical gear 56, the threaded short rod 57 is in threaded connection with the auxiliary nut 59, and the size of the limiting block 510 is larger than that of the threaded hole of the auxiliary nut 59, so that the threaded short rod 57 and the connecting cylinder 53 are prevented from being separated, thereby improving the stability of the connection relationship between the components in the overall structure, the number of the connecting cylinder 53 is consistent with that of the movable plate 52, two convex strips 511 are arranged on a single connecting cylinder 53, and the connecting cylinder 53 is slidably connected with the hexagonal column 51 through the convex strips 511, thereby further improving the flexibility of the overall structure.

[0030] The hexagonal cylinder 51 is provided with a locking assembly 6, which includes a sliding rod 61 slidingly arranged on the hexagonal cylinder 51, a protrusion 62 fixedly installed on the sliding rod 61 and penetrating through the top end of the hexagonal cylinder 51, an expansion block 67 fixedly installed on the sliding rod 61 and penetrating through the bottom end of the hexagonal cylinder 51, a first friction block 63 and a second friction block 64 fixedly installed on the clamping piece 3, a connecting plate 65 fixedly installed on the sliding rod 61, and a reset spring 66 fixedly connected at two ends of the connecting plate 65 and the clamping piece 3, respectively. The first friction block 63 and the second friction block 64 are both annular in structure, and the first friction block 63 and the second friction block 64 can form a circular gap for accommodating the sliding rod 61. 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. The expansion block 67 is provided with two, and both of the two expansion blocks 67 can be in contact with the first friction block 63 and the second friction block 64. The expansion block 67 can increase the contact area between 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. The structure contained in the friction force 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 several-shaped clamping piece 3 can form a clamping groove with the clamping plate 71, so that the steel grid frame 2 is clamped in the clamping groove, and then the clamping piece 3 is inserted into the fixing bolt 11 welded on the platform profile steel 1, and then the clamping piece 3 is locked on the fixing bolt 11 through the fastening nut 4, so that the position of the steel grid frame 2 is clamped and fixed on the platform profile steel 1; when the steel grid frame 2 made of steel plates with different thicknesses needs to adjust the size of the clamping groove between the clamping piece 3 and the clamping plate 71, the sleeve or wrench is connected to the hexagonal column 51, and then the hexagonal column 51 is driven to rotate, and the transmission shaft 76 fixedly connected with the hexagonal column 51 rotates synchronously in the clamping piece 3, the second transmission gear 75 fixedly connected with the end of the transmission shaft 76 and the first transmission gear 74 fixedly connected with the end of the threaded long rod 73 are in meshing transmission connection, and the threaded long rod 73 is also in threaded connection with the sliding block 72, and the sliding block 72 fixedly connected with the clamping plate 71 is also in sliding connection with the clamping piece 3, so that 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 clamping groove between the clamping piece 3 and the clamping plate 71, and meet the clamping requirements of the steel grid frame 2 made of steel plates with different thicknesses; and before driving the hexagonal column 51 to rotate, the protrusion 62 needs to be pressed, the sliding rod 61 fixedly connected with the protrusion 62 slides downward on the clamping piece 3, the expansion block 67 fixedly connected with the lower end of the sliding rod 61 slides synchronously, so that the expansion block 67 generates a gap between 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 the protrusion 62 is loosened, the connecting plate 65 fixedly connected with the sliding rod 61 is further connected with the clamping piece 3 through the reset spring 66, and then under the elastic force of the reset spring 66, the sliding rod 61 slides upward, the gap between the expansion block 67 and the first friction block 63 and the second friction block 64 is eliminated, at this moment, 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, so as to limit the movement of the expansion block 67 and further limit the rotation of the hexagonal column 51, further lock the state of the threaded long rod 73 and the clamping plate 71, and improve the stability of the whole device.In practical application, when the wrench or sleeve of different models is encountered, the knob 54 is rotated, the connecting shaft 55 fixedly connected with the knob 54 is synchronously rotated inside the hexagonal column 51, the main conical gear 56 fixedly connected with the end of the connecting shaft 55 is respectively meshed and drivingly connected with the six auxiliary conical gears 58, the threaded short rod 57 is fixed on the auxiliary conical gears 58, the threaded short rod 57 is threadedly connected with the auxiliary nut 59 fixed on the connecting cylinder 53, the convex strip 511 for slidingly connecting with the hexagonal column 51 is fixed on the outer surface of the connecting cylinder 53, therefore, after the knob 54 is rotated, the threaded short rod 57 is synchronously rotated, thereby driving the connecting cylinder 53 to slide, further changing the distance between the movable plate 52 fixed on the end of the connecting cylinder 53 and the side surface of the hexagonal column 51, and the six movable plates 52 are symmetrically arranged at the side of the six side surfaces of the hexagonal column 51, the six movable plates 52 are synchronously slid to meet the application of different models of wrench or sleeve.

[0032] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that are not specifically enumerated. Thus, for example, an element recited in the singular and / or cited in the affirmative is not intended to exclude the plural and other elements that might be similarly situated and / or cited in the negative. It is to be understood that the phraseology "at least one of a list of elements" includes individual elements of the list and combinations of two or more of the elements in the list. It is to be understood that the phrase "at least one of the elements" includes individual elements of the list and combinations of two or more of the elements in the list.

[0033] While the embodiments of the application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application in its broadest form. The scope of the application is defined by the following claims and their equivalents.

Claims

1. Fixing device for the fixing of steel grating, for clamping fixing of steel grating frames (2) on platform profile steel (1), characterized in that: The utility model relates to a platform type steel fixing clamp, including the clamping piece (3), the fixed bolt (11) welded on the top surface of platform section steel (1) and the fastening nut (4) can be connected with fixed bolt (11) threadedly, respectively set up movable assembly (7) and auxiliary assembly (5) on clamping piece (3), The movable assembly (7) includes the sliding block (72) slidingly connected with the clamping piece (3), the clamping plate (71) fixedly connected with the sliding block (72), the threaded long rod (73) rotatably arranged on the clamping piece (3) and threadedly connected with the sliding block (72), the first transmission gear (74) fixedly installed at the end of the threaded long rod (73), the transmission shaft (76) rotatably arranged in the clamping piece (3), and the second transmission gear (75) fixedly installed at the end of the transmission shaft (76), the second transmission gear (75) is meshingly and drivingly connected with the first transmission gear (74); The auxiliary assembly (5) includes the hexagonal cylinder (51) fixedly installed through the end of the clamping piece (3), the six movable plates (52) respectively arranged in parallel with the six sides of the hexagonal cylinder (51), the connecting cylinder (53) fixedly connected with the movable plates (52), the connecting shaft (55) rotatably arranged in the hexagonal cylinder (51), the knob (54) fixedly installed at the top end of the connecting shaft (55), the main bevel gear (56) fixedly installed at the bottom end of the connecting shaft (55), the threaded short rod (57) rotatably arranged in the hexagonal cylinder (51), the auxiliary nut (59) fixedly installed on the inner surface of the connecting cylinder (53), the convex strip (511) fixedly installed on the outer surface of the connecting cylinder (53), and the limiting block (510) fixedly installed at the end of the threaded short rod (57) in the inner cavity of the connecting cylinder (53); The hexagonal cylinder (51) is provided with a locking assembly (6), the locking assembly (6) includes the sliding rod (61) slidingly arranged on the hexagonal cylinder (51), the protrusion (62) fixedly installed through the top end of the hexagonal cylinder (51), the expansion block (67) fixedly installed through the bottom end of the hexagonal cylinder (51), the first friction block (63) and the second friction block (64) fixedly installed on the clamping piece (3), the connecting plate (65) fixedly installed on the sliding rod (61), and the reset spring (66) fixedly connected at both ends with the connecting plate (65) and the clamping piece (3); The first friction block (63) and the second friction block (64) are both 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); The side surface of the first friction block (63) close to the expansion block (67) is provided with a first friction pattern for enhancing friction, and the side surface of the second friction block (64) close to the expansion block (67) is also provided with a second friction pattern for enhancing friction; The expansion block (67) is provided with two, and the two expansion blocks (67) can contact the first friction block (63) and the second friction block (64).

2. A fixing device for steel grating fixation according to claim 1, characterized in that: The clamping piece (3) is designed in a U-shaped structure, and a hole for passing through a fixing bolt (11) is formed in the clamping piece (3).

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

4. The fixing device for steel grating fixation according to claim 1, characterized in that: The six secondary bevel gears (58) are located in the internal cavity of the hexagonal column (51), and are in meshing transmission connection with the primary bevel gear (56).

5. The fixing device for steel grating fixation according to claim 1, characterized in that: The threaded short rod (57) is in threaded connection with the auxiliary nut (59), and the size of the limiting block (510) is greater than the size of the threaded hole on the auxiliary nut (59).

6. The fixing device for steel grating fixation according to claim 1, characterized in that: The number of the connecting barrels (53) is consistent with the number of the movable plates (52), two convex strips (511) are arranged on a single connecting barrel (53), and the connecting barrel (53) is in sliding connection with the hexagonal column (51) through the convex strips (511).

Images