KR102598552B1 - Steel Grating Fixture - Google Patents

Abstract

The present invention relates to a steel grating fixing device for fixing a steel grating, which includes a plurality of bearing bars arranged at regular intervals in an empty space of a frame, to a beam member of the frame, comprising: a main body part mounted while enveloping one bearing bar and another bearing bar, which are arranged to be adjacent to each other, at the same time; a main body supporting part mounted on an upper side of the beam member to support the bottom surface of the main body part, which is mounted in a space between the one bearing bar and the other bearing bar; and a coupling bolt part coupled to the main body part and the beam member at the same time using bolt combination after penetrating the main body part supported by the main body supporting part, thereby coupling the main body part to the one bearing bar and the other bearing bar.

Description

Steel Grating Fixture}

The present invention relates to a steel grating fixing device, and more specifically, to a steel grating fixing device for fixing a steel grating having a plurality of bearing bars arranged at regular intervals in an empty space of a frame to a beam member of a frame. .

In general, grating is widely used to cover rainwater collection and drainage channels installed on roads, residential complexes, subways, etc., and generally has a plurality of rectangular lattice structures.

As the industry has recently developed, gratings are widely used as floors or stairs in structures such as plants, ships, etc., such as chemical plants, shipyards, and nuclear power plants.

A typical rectangular grid structure includes a frame, a bearing bar, and a cross bar. The bearing bars and crossbars are installed to divide the square edges of the grating at right angles, and because the installation intervals of adjacent bearing bars are different, the completed grid forms a rectangle. And, the crossbar disposed between the bearing bars is fixed to the bearing bar or frame by welding.

For example, when constructing a plant floor by connecting multiple gratings, multiple gratings are placed on a frame composed of beams and then fixed to the beams in various ways to fix the position of each grating. do.

However, the methods known so far had problems such as poor workability, grating being separated from the beam, or fixing members being damaged.

Meanwhile, the above-mentioned background technology is technical information that the inventor possessed for deriving the present invention or acquired in the process of deriving the present invention, and cannot necessarily be said to be known technology disclosed to the general public before filing the application for the present invention. .

Korean Patent No. 10-1764369 (announced on August 2, 2017)

One aspect of the present invention provides a steel grating fixing device for fixing a steel grating having a plurality of bearing bars disposed at regular intervals in an empty space of the frame to a beam member of the frame.

The technical problem of the present invention is not limited to the technical problem mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the description below.

A steel grating fixing device according to an embodiment of the present invention includes a main body portion that is seated while simultaneously surrounding the upper ends of one bearing bar and another bearing bar disposed adjacent to each other; a main body support part that is seated on an upper side of the beam member and supports the bottom of the main body part, which is seated in a space between the one bearing bar and the other bearing bar; And a fastening bolt part that penetrates the main body supported by the main body support part and is simultaneously fastened to the main body part and the beam member by bolting to fasten the main body part to the one bearing bar and the other bearing bar. do.

In one embodiment, the main body portion includes a first hook that surrounds and is seated on an upper end of the one bearing bar; a second hook that surrounds and sits on the top of the other bearing bar; an extension portion extending between the first hook and the second hook and seated on the main body support portion; a through hole formed to penetrate the extension part in a vertical direction so that the fastening bolt part can be inserted; and an inner circumferential thread formed along the inner circumferential surface of the through hole so that the screw thread formed along the outer side of the head of the fastening bolt portion can be engaged.

In one embodiment, the main body support portion includes a first support seated on an upper side of the beam member located on one side of the fastening bolt portion while opposing the bottom surface of the extension portion; a second support mounted on an upper side of the beam member facing the bottom of the extension portion and located on the other side of the fastening bolt portion; A first member whose upper end is seated in a first bottom groove formed on the bottom of the extension, and whose lower end is seated in a first upper groove formed on the top of the first pedestal, opposing the first bottom groove, supports the extension. buffer support; and a second member whose upper end is seated in a second bottom groove formed on the bottom of the extension and whose lower end is seated in a second top groove formed on the top of the second pedestal while facing the second bottom groove to support the extension. It may include a buffer support part.

In one embodiment, the first buffer support unit includes: a first support unit seated in the first bottom groove and supporting the extension portion; a second support unit that is vertically symmetrical to the first support unit and is seated in the first upper groove; and is installed between the first support unit and the second support unit to support the space between the first support unit and the second support unit, and at the same time, vibration or shock generated between the first support unit and the second support unit. It may include a buffering unit that buffers the .

In one embodiment, the first support unit includes an upper support block connected to the upper side of the buffer unit and disposed in close contact with the inner surface of the first bottom groove; The front and rear end rollers are installed at the front end of the conveyor installation groove formed on the upper side of the upper support block while forming an opening on the upper side of the upper support block, and the rear end roller is installed at the rear end of the conveyor installation groove at the rear end. The inner surfaces of each are engaged and connected, and the upper part is exposed from the conveyor installation groove, and the upper outer surface is in close contact with the inner surface of the first bottom groove, and the upper support block is rotated as it moves horizontally in the forward and backward directions. Support conveyor belt; It is installed inside the front end of the upper support block, and is exposed to the front of the upper support block by the rotational drive of the support conveyor belt according to the forward movement of the upper support block, and is in close contact with the front end of the first bottom groove, so that the upper a forward movement braking unit that brakes the forward movement of the support block; and a structure symmetrical to the forward moving braking unit in the front-back direction, installed inside the rear end of the upper support block, and rotating the support conveyor belt according to the backward movement of the upper support block. It may include a backward movement braking unit exposed to the rear and in close contact with the rear end of the first bottom groove to brake the backward movement of the upper support block.

In one embodiment, the forward movement braking unit includes an adhesion plate seated on the inside of the front end of the upper support block; a plurality of horizontal buffer springs installed at regular intervals along a rear end groove extending longitudinally along the rear surface of the contact plate; and the front end is supported by the horizontal buffer spring, is inserted and seated in the rear end groove, and the rear end is installed on the lower outward surface of the support conveyor belt, and is rotated by the support conveyor belt according to the forward movement of the upper support block. It may include a forward moving frame that moves forward to expose the contact plate to the front of the upper support block.

In one embodiment, the shock absorbing unit includes an upper unit body that is installed on the lower side of the first support unit and opposite to the first support unit, and has a plurality of square pillars protruding along the lower side and spaced at regular intervals; A lower unit body installed on the upper side of the second support unit and facing the second support unit, and having a plurality of block seating grooves spaced at regular intervals along the upper side so that the square pillar can be inserted and seated. A vertical shock absorbing elastic body installed inside each of the block seating grooves to support the lower end of the square pillar seated in the block seating groove and at the same time buffer vibration or shock in the vertical direction transmitted from the square pillar; two rotatable upper supports respectively installed at the upper front and rear ends of the upper unit body to support the front and rear ends of the first support unit; and two rotatable lower supports that are symmetrical in the vertical direction with the pivotable upper support portion and are installed at the lower front and rear ends of the upper unit body, respectively, to support the front and rear ends of the second support unit. It can be included.

In one embodiment, the rotatable upper support unit includes a block rotation groove that is recessed in a round half-moon shape from the top to the bottom of the upper unit body while forming an opening on the upper side of the upper unit body; a half-moon block formed in a rounded half-moon shape on the lower side corresponding to the shape of the block rotation groove and rotatably seated in the block rotation groove; The lower part is seated in a pillar seating groove recessed in the upper part of the half-moon-shaped block exposed from the block rotation groove, and the upper end is formed in a bottom sliding groove extending in the front-back longitudinal direction along the bottom of the first support unit in the front-back direction. a connection pillar that is connected and installed to enable sliding movement and supports the first support unit; and a block support spring installed inside the pillar seating groove to support the lower end of the connecting pillar seated in the pillar seating groove.

In one embodiment, the half-moon block includes a block body formed in a half-moon shape with a rounded lower side corresponding to the shape of the block rotation groove and rotatably seated in the block rotation groove; a support wing protruding from the lower side of the block body and seated in a wing seating groove formed at the bottom of the block rotation groove; a first wing support spring installed at the front end of the wing seating groove to support the front end of the support wing seated in the wing seating groove; a second wing support spring installed at the rear end of the wing seating groove to support the rear end of the support wing seated in the wing seating groove; and a rotation guide wing installed along the curved surfaces of one side and the other side of the block body and seated in a rotation guide groove extending along one side and the other side of the block rotation groove to guide rotation of the block body in the block rotation groove. May include ;.

In one embodiment, the connection pillar is seated in a sliding guide groove that extends in the front-back direction along one side and the other side of the bottom sliding groove on one side and the other of the upper side to prevent separation from the bottom sliding groove and at the same time, prevents separation from the bottom sliding groove. Guide wings are formed to induce sliding movement in the forward and backward directions along the sliding groove, and the upper part where the guide wings are formed is formed to enable stable support even when the upper support block being supported is disposed to be inclined according to movement. It can be formed by being connected and installed so that it can be rotated by a rotation axis.

In one embodiment, the block body has the pillar seating groove formed on the top, and the central axis of one side and the other side is positioned so that it can be fastened to the axis coupling groove formed at the central axis position of one side and the other side of the block rotation groove. A rotation axis for rotation may be formed to protrude.

According to one aspect of the present invention described above, a steel grating having a plurality of bearing bars disposed at regular intervals in an empty space of the frame can be stably fixed to the beam member of the frame.

The effects of the present invention are not limited to the effects mentioned above, and various effects may be included within the scope apparent to those skilled in the art from the contents described below.

Figure 1 is a diagram showing a schematic configuration of a steel grating fixing device according to an embodiment of the present invention.
Figure 2 is an illustration of the installation of a steel grating fixing device according to an embodiment of the present invention in Figure 1.
Figure 3 is a diagram showing the main body of Figure 1.
Figure 4 is a diagram showing the main body support part of Figure 1.
FIG. 5 is a diagram showing the first buffer support of FIG. 4.
FIG. 6 is a diagram showing the first support unit of FIG. 5.
FIG. 7 is a diagram showing the forward movement braking unit of FIG. 5.
Figure 8 is a view showing the pivotable upper support part of Figure 5.
FIG. 9 is a diagram showing the half-moon block of FIG. 8.

The detailed description of the present invention described below refers to the accompanying drawings, which show by way of example specific embodiments in which the present invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the present invention are different from one another but are not necessarily mutually exclusive. For example, specific shapes, structures and characteristics described herein may be implemented in one embodiment without departing from the spirit and scope of the invention. Additionally, it should be understood that the location or arrangement of individual components within each disclosed embodiment may be changed without departing from the spirit and scope of the invention. Accordingly, the detailed description that follows is not intended to be taken in a limiting sense, and the scope of the invention is limited only by the appended claims, together with all equivalents to what those claims assert, if properly described. Similar reference numbers in the drawings refer to identical or similar functions across various aspects.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the drawings.

Figure 1 is a diagram showing a schematic configuration of a steel grating fixing device according to an embodiment of the present invention.

Referring to FIG. 1, the steel grating fixing device 10 according to an embodiment of the present invention includes a body portion 100, a body support portion 200, and a fastening bolt portion 300.

The main body 100 is seated while simultaneously surrounding the upper ends of one bearing bar 31-1 and the other bearing bar 31-2 disposed adjacent to each other.

In one embodiment, the main body 100 may include a first hook 110, a second hook 120, an extension part 130, a through hole 140, and a screw thread 150.

The first hook 110 is supported by the extension portion 130 and is seated surrounding the upper end of one bearing bar 31-1.

The second hook 120 is supported by the extension portion 130 and is seated surrounding the upper end of the other bearing bar 31-2.

The extension portion 130 extends between the first hook 110 and the second hook 120 and is seated on the main body support portion 200 to support the first hook 110 and the second hook 120.

The through hole 140 is formed to penetrate the extension portion 130 in the vertical direction so that the fastening bolt portion 300 can be inserted.

The inner circumferential thread 150 is formed along the inner circumferential surface of the through hole 140 so that the screw thread 311 formed along the outer side of the head 310 of the fastening bolt portion 300 can be engaged.

The main body support part 200 is seated on the upper side of the beam member 21 and supports the bottom surface of the main body part 100, which is seated in the space between one bearing bar 31-1 and the other bearing bar 31-2. .

In one embodiment, the main body support unit 200 may include a first pedestal 210, a second pedestal 220, a first buffer support unit 600, and a second buffer support unit 230.

The first pedestal 210 is located on the upper side of the beam member 21 located on one side of the fastening bolt portion 300 while opposing the bottom surface of the extension portion 130 so that the lower end of the first buffer support portion 600 can be seated. settles in

The second pedestal 220 is located on the upper side of the beam member 21 located on the other side of the fastening bolt portion 300 while opposing the bottom surface of the extension portion 130 so that the lower end of the second buffer support portion 230 can be seated. settles in

The first buffer support portion 600 has its upper end seated in the first bottom groove 131 formed on the bottom of the extension portion 130, and faces the first bottom groove 131 while forming the upper surface of the first pedestal 210. The lower end is seated in the first upper surface groove 211 formed in and supports the extension portion 130.

The second buffer support portion 230 has its upper end seated in the second bottom groove 132 formed on the bottom of the extension portion 130, and faces the second bottom groove 132 and is positioned on the upper surface of the second pedestal 220. The lower end is seated in the formed second upper groove 221 to support the extension portion 130.

-The fastening bolt portion 300 penetrates the main body portion 100 supported by the main body support portion 200 and is then fastened to the main body portion 100 and the beam member 21 by bolting at the same time to the main body portion ( 100) is fastened to one bearing bar (31-1) and the other bearing bar (31-2).

The steel grating fixing device 10 according to an embodiment of the present invention having the configuration described above,

As shown in FIG. 2, the steel grating 30 installed on the frame 20 is stable as it is seated along each bearing bar 31 formed on the steel grating 30 and then fastened to the beam member 21. Not only can it be fastened, but it can also effectively prevent the steel grating 30 from being separated due to vibration or impact that can be transmitted to the outside.

FIG. 5 is a diagram showing the first buffer support of FIG. 4.

Referring to FIG. 5 , the first buffer support unit 600 includes a first support unit 610, a second support unit 620, and a buffer unit 630.

Here, the second buffer support unit 230 has the same configuration as the first buffer support unit 600, which will be described later, and includes the first support unit 610, the second support unit 620, and the buffer of the first buffer support unit 600. Since the configurations of the unit 630 and the like can be applied equally, the description will be omitted to avoid duplication of explanation.

The first support unit 610 is installed on the upper side of the buffer unit 630 and is seated in the first bottom groove 131 to support the extension portion 130.

In one embodiment, the first support unit 610 may include an upper support block 611, a support conveyor belt 612, a forward movement braking unit 613, and a backward movement braking unit 614.

The upper support block 611 is connected to the upper side of the buffer unit 630 and is placed in close contact with the inner surface of the first bottom groove 131, and includes a support conveyor belt 612, a forward movement brake unit 613, and a reverse movement brake unit 613. Components such as a moving brake unit 614 are installed.

The support conveyor belt 612 includes a shear mounting roller R1 installed at the front of the conveyor installation groove 611a formed on the upper side of the upper support block 611 while forming an opening on the upper side of the upper support block 611; The inward surfaces of the front and rear ends are engaged and connected to the rear mounting roller (R2) installed at the rear end of the conveyor installation groove (611a), and the upper part is exposed from the conveyor installation groove (611a), so that the upper outward surface is the first. As the upper support block 611 moves horizontally in the front and rear directions while in close contact with the inner surface of the bottom groove 131, it is driven to rotate and moves the forward moving brake unit 613 and the backward moving brake unit 614 forward or backward. Let me do it.

That is, when the support conveyor belt 612 rotates as the upper support block 611 moves forward, the forward movement braking unit 613 moves forward in the direction exposed from the upper support block 611, and conversely, the upper support block 611 moves forward. When the support conveyor belt 612 rotates as the support block 611 moves backward, the backward movement braking unit 614 moves backward in the direction exposed from the upper support block 611.

In one embodiment, the support conveyor belt 612 has a plurality of nail-shaped spikes 612a repeatedly protruding along the upper outward surface to increase the frictional force with the object to be adhered, as shown in FIG. 6. can be formed.

The forward movement braking unit 613 has a symmetrical structure in the front-to-back direction with the backward movement braking unit 614, is installed inside the front end of the upper support block 611, and is used for the forward movement of the upper support block 611. Due to the rotational drive of the support conveyor belt 612, it is exposed to the front of the upper support block 611 and comes into close contact with the front end of the first bottom groove 131 to brake the forward movement of the upper support block 611.

The backward movement braking unit 614 has a symmetrical structure in the front-to-back direction with the forward movement braking unit 613, is installed inside the rear end of the upper support block 611, and is used for the backward movement of the upper support block 611. Due to the rotational drive of the support conveyor belt 612, it is exposed to the rear of the upper support block 611 and comes into close contact with the rear end of the first bottom groove 131 to brake the backward movement of the upper support block 611.

The second support unit 620 is installed below the buffer unit 630, has a structure symmetrical in the vertical direction with the first support unit 610, and is seated in the first upper groove 211.

Here, the second support unit 620 has a vertically symmetrical structure with the above-described first support unit 610, and includes an upper support block 611 of the first support unit 610, a support conveyor belt 612, Since the components of the forward movement braking unit 613 and the backward movement braking unit 614 can be applied in the same manner, their description will be omitted to avoid duplication of explanation.

The buffer unit 630 is installed between the first support unit 610 and the second support unit 620 to support the space between the first support unit 610 and the second support unit 620 and at the same time support the first support unit 610 and the second support unit 620. It cushions vibration or shock generated between 610 and the second support unit 620.

In one embodiment, the shock absorbing unit 630 includes an upper unit body 631, a lower unit body 632, a vertical shock absorbing elastic body 633, two pivotable upper supports 700, and two pivotable lower supports ( 634).

The upper unit body 631 is installed on the lower side of the first support unit 610 while facing the first support unit 610, and a plurality of square pillars 6311 are formed to protrude and are spaced at regular intervals along the lower side. It is installed on the upper side of the lower unit body 632.

The lower unit body 632 is installed on the upper side of the second support unit 620 while facing the second support unit 620, and has a plurality of block seating grooves along the upper side so that the square pillar 6311 can be inserted and seated. (6321) is spaced apart at regular intervals to form depressions.

The vertical buffering elastic body 633 is installed on each inner side of the block seating groove 6321 to support the lower end of the square pillar 6311 seated in the block seating groove 6321, and at the same time, the vertical shock absorbing body 633 is installed on each inner side of the block seating groove 6321. It cushions directional vibration or shock.

Two rotatable upper supports 700 are installed at the upper front and rear ends of the upper unit body 631, respectively, and support the front and rear ends of the first support unit 610.

The two pivotable lower supports 634 are symmetrical in the vertical direction with the pivotable upper support portion 700, and are installed at the lower front and rear ends of the upper unit body 631, respectively, to form the second support unit 620. ) supports the front and rear ends.

The first buffer support 600 having the above-described configuration supports the extension part 130, and at the same time, vibration or shock in the vertical direction may occur between the beam member 21 and the extension part 130. In addition, vibration or shock in the horizontal direction that may occur between the beam member 21 and the extension portion 130 can also be effectively cushioned.

FIG. 7 is a diagram showing the forward movement braking unit of FIG. 5.

Referring to FIG. 7, the forward movement braking unit 613 includes a contact plate 6131, a horizontal buffer spring 6132, and a forward movement frame 6133.

Here, the backward movement braking unit 614 has the same symmetrical structure in the front and rear direction as the forward movement braking unit 613, which will be described later, and includes a close contact plate 6131 of the forward movement braking unit 613, and a horizontal buffer spring ( Since configurations such as 6132) and forward movement frame 6133 can be applied in the same way, their description will be omitted to avoid duplication of explanation.

The contact plate 6131 is supported by the forward moving frame 6133 and is seated inside the front end of the upper support block 611.

The horizontal buffer spring 6132 is installed in plural numbers at regular intervals along the rear end groove 6131a extending in the longitudinal direction along the rear surface of the contact plate 6131 to support the forward moving frame 6133 and at the same time adhere to it. It cushions vibration or shock transmitted through the plate 6131.

The forward moving frame 6133 is supported at the front end by the horizontal buffer spring 6132, is inserted and seated in the rear end groove 6131a, and the rear end is installed on the lower outward surface of the support conveyor belt 612, and the upper support block ( The support conveyor belt 612 is rotated and moved forward according to the forward movement of 611, thereby exposing the contact plate 6131 to the front of the upper support block 611.

The forward movement braking unit 613 having the above-described configuration is driven by the support conveyor belt 612 when an external force such as vibration or impact in the horizontal direction is transmitted to the upper support block 611. As it is exposed forward from 611, it can prevent the upper support block 611 from moving forward and cushion external forces such as vibration or impact in the horizontal direction transmitted to the upper support block 611.

Figure 8 is a view showing the pivotable upper support part of Figure 5.

Referring to FIG. 8, the rotatable upper support part 700 includes a block rotation groove 710, a half-moon block 720, a connecting pillar 730, and a block support spring 740.

Here, the pivotable lower support portion 634 can be applied in the same vertically symmetrical structure as the pivotable upper support portion 700, which will be described later, and the block rotation groove 710 of the pivotable upper support portion 700 and the half-moon-shaped block ( 720), the connecting pillar 730, and the block support spring 740 can be applied in the same way, so their description will be omitted to avoid duplication of explanation.

As shown in FIG. 9, the block rotation groove 710 forms an opening on the upper side of the upper unit body 631 so that the half-moon-shaped block 720 can be seated and rotated, and extends from the upper side to the lower side of the upper unit body 631. A depression is formed in a round half-moon shape.

The half-moon block 720 is formed in a half-moon shape with a rounded lower side corresponding to the shape of the block rotation groove 710 and is rotatably seated in the block rotation groove 710.

The connection pillar 730 is seated in a pillar seating groove 7211, the lower part of which is recessed in the upper part of the half-moon-shaped block 720 exposed from the block rotation groove 710, and the upper end of the bottom of the first support unit 610. The first support unit 610 is supported by being connected to a bottom sliding groove 611b extending in the front-back longitudinal direction along the bottom to enable sliding movement in the front-back direction.

In one embodiment, the connection pillar 730 is seated in a sliding guide groove 611c that extends in the front-back direction along one side and the other side of the bottom sliding groove 611b on one side and the other of the upper side, thereby forming the bottom sliding groove 611b. Guiding wings 731 are formed to prevent separation from the base and simultaneously induce sliding movement in the forward and backward directions along the bottom sliding groove 611b, and are arranged so that the supported upper support block 611 is inclined according to the movement. The upper part 732 where the guide vane 731 is formed may be connected and installed so as to be rotatable by the rotation axis 732a to enable stable support even when the upper part 732 is formed.

The block support spring 740 is installed inside the pillar seating groove 7211 and supports the lower end of the connecting pillar 730 seated in the pillar seating groove 7211.

The pivotable upper support unit 700 having the above-described configuration supports the upper support block 611 not only when the upper support block 611 remains horizontal, but also when the upper support block 611 is tilted. Not only can it stably support, but it can also effectively cushion vibration or shock in the vertical direction transmitted from the upper support block 611.

FIG. 9 is a diagram showing the half-moon block of FIG. 8.

Referring to FIG. 9, the half-moon block 720 includes a block body 721, a support wing 722, a first wing support spring 723, a second wing support spring 724, and a rotation guide wing 725. Includes.

The block body 721 is formed in a half-moon shape with a rounded lower side corresponding to the shape of the block rotation groove 710 and is rotatably seated in the block rotation groove 710, and includes a support wing 722 and a first wing support spring. Components such as (723), second wing support spring 724, and rotation guide wing 725 are installed.

In one embodiment, the block body 721 has a pillar seating groove 7211 formed at the top, and an axis coupling groove formed at the central axis position on one side and the other side of the block rotation groove 710 (for convenience of explanation, it is not shown in the drawing. Rotation axes 7212 for rotation may be formed to protrude at the central axes of one side and the other so that they can be fastened to (not shown).

The support wing 722 protrudes from the lower side of the block body 721 and is supported by the first wing support spring 723 and the second wing support spring 724 and formed at the bottom of the block rotation groove 710. It is seated in the wing seating groove 711.

The first wing support spring 723 is installed at the front end of the wing seating groove 711 and supports the front end of the support wing 722 seated in the wing seating groove 711.

The second wing support spring 724 is installed at the rear end of the wing seating groove 711 and supports the rear end of the support wing 722 seated in the wing seating groove 711.

The rotation guide wing 725 is installed along the curved surfaces of one side and the other side of the block body 721, and is seated in the rotation guide groove 712 extending along one side and the other side of the block rotation groove 710 to rotate the block. Rotation of the block body 721 is induced in the groove 710.

The half-moon block 720 having the above-described configuration can not only be rotatably connected and installed in the block rotation groove 710, but also can be transmitted from the connection pillar 730 during rotation in the block rotation groove 710. Vibration or shock can also be effectively cushioned.

The above-described embodiments are for illustrative purposes, and those skilled in the art will recognize that the above-described embodiments can be easily modified into other specific forms without changing the technical idea or essential features of the above-described embodiments. You will understand. Therefore, the above-described embodiments should be understood in all respects as illustrative and not restrictive. For example, each component described as unitary may be implemented in a distributed manner, and similarly, components described as distributed may also be implemented in a combined form.

The scope sought to be protected through this specification is indicated by the patent claims described later rather than the detailed description above, and should be interpreted to include the meaning and scope of the claims and all changes or modified forms derived from the equivalent concept. .

10: Steel grating fixture
20: frame
30: Steel grating
100: main body
200: main body support
300: Fastening bolt part

Claims (8)

In the steel grating fixing device for fixing a steel grating having a plurality of bearing bars arranged at regular intervals in the empty space of the frame to the beam member of the frame,
A main body portion that is seated while simultaneously surrounding the upper ends of one bearing bar and another bearing bar disposed adjacent to each other;
a main body support part that is seated on an upper side of the beam member and supports the bottom of the main body part, which is seated in a space between the one bearing bar and the other bearing bar; and
It includes a fastening bolt part that penetrates the main body part supported by the main body support part and is simultaneously fastened to the main body part and the beam member by bolting to fasten the main body part to the one bearing bar and the other bearing bar; ,
The main body part,
a first hook surrounding and seated on the upper end of the bearing bar;
a second hook that surrounds and sits on the top of the other bearing bar;
an extension portion extending between the first hook and the second hook and seated on the main body support portion;
a through hole formed to penetrate the extension part in a vertical direction so that the fastening bolt part can be inserted; and
Includes an inner peripheral thread formed along the inner peripheral surface of the through hole so that the threaded thread formed along the outer side of the head of the fastening bolt portion can be engaged,
The main body support part,
A first support mounted on the upper side of the beam member located on one side of the fastening bolt portion and facing the bottom of the extension portion;
a second support mounted on an upper side of the beam member facing the bottom of the extension portion and located on the other side of the fastening bolt portion;
A first member whose upper end is seated in a first bottom groove formed on the bottom of the extension, and whose lower end is seated in a first upper groove formed on the top of the first pedestal, opposing the first bottom groove, supports the extension. buffer support; and
The upper end is seated in the second bottom groove formed on the bottom of the extension, and the lower end is seated in the second upper groove formed on the upper surface of the second pedestal while facing the second bottom groove, so as to support the extension. A steel grating fixture comprising a support portion.
delete delete According to paragraph 1,
The first buffer support part,
a first support unit seated in the first bottom groove and supporting the extension portion;
a second support unit that is vertically symmetrical to the first support unit and is seated in the first upper groove; and
It is installed between the first support unit and the second support unit to support the space between the first support unit and the second support unit and at the same time prevents vibration or shock generated between the first support unit and the second support unit. A steel grating fixing device including a buffer unit that cushions the material.
According to paragraph 4,
The first support unit,
an upper support block connected to the upper side of the buffer unit and disposed in close contact with the inner surface of the first bottom groove;
The front and rear end rollers are installed at the front end of the conveyor installation groove formed on the upper side of the upper support block while forming an opening on the upper side of the upper support block, and the rear end roller is installed at the rear end of the conveyor installation groove at the rear end. The inner surfaces of each are engaged and connected, and the upper part is exposed from the conveyor installation groove, and the upper outer surface is in close contact with the inner surface of the first bottom groove, and the upper support block is rotated as it moves horizontally in the forward and backward directions. supporting conveyor belt;
It is installed inside the front end of the upper support block, and is exposed to the front of the upper support block by the rotational drive of the support conveyor belt according to the forward movement of the upper support block, and is in close contact with the front end of the first bottom groove, so that the upper a forward movement braking unit that brakes the forward movement of the support block; and
It has a structure symmetrical to the forward moving braking unit in the front and rear direction, is installed inside the rear end of the upper support block, and is rotated by the support conveyor belt according to the backward movement of the upper support block, thereby driving the upper support block. A steel grating fixing device comprising: a backward movement braking unit that is exposed to the rear and is in close contact with the rear end of the first bottom groove to brake the backward movement of the upper support block.
According to clause 5,
The forward movement braking unit,
An adhesion plate seated inside the front end of the upper support block;
a plurality of horizontal buffer springs installed at regular intervals along a rear end groove extending longitudinally along the rear surface of the contact plate; and
The front end is supported by the horizontal buffer spring and is inserted and seated in the rear end groove, and the rear end is installed on the lower outward surface of the support conveyor belt, and is rotated by rotation of the support conveyor belt according to the forward movement of the upper support block. A steel grating fixing device including; a forward moving frame that moves forward to expose the contact plate to the front of the upper support block.
According to paragraph 4,
The buffer unit is,
an upper unit body installed on a lower side of the first support unit and facing the first support unit, and having a plurality of square pillars protruding from the lower side at regular intervals;
A lower unit body installed on the upper side of the second support unit and facing the second support unit, and having a plurality of block seating grooves spaced at regular intervals along the upper side so that the square pillar can be inserted and seated.
A vertical shock absorbing elastic body installed inside each of the block seating grooves to support the lower end of the square pillar seated in the block seating groove and at the same time buffer vibration or shock in the vertical direction transmitted from the square pillar;
two rotatable upper supports respectively installed at the upper front and rear ends of the upper unit body to support the front and rear ends of the first support unit; and
It is composed of a structure symmetrical in the vertical direction with the pivotable upper support portion, and is installed at the lower front and rear ends of the upper unit body, respectively, to support the front and rear ends of the second support unit. It includes; , steel grating fixture.
In clause 7,
The rotating upper support part,
a block rotation groove that forms an opening on the upper side of the upper unit body and is recessed in a round half-moon shape from the upper side to the lower side of the upper unit body;
a half-moon block formed in a rounded half-moon shape on the lower side corresponding to the shape of the block rotation groove and rotatably seated in the block rotation groove;
The lower part is seated in a pillar seating groove recessed in the upper part of the half-moon-shaped block exposed from the block rotation groove, and the upper end is formed in a bottom sliding groove extending in the front-back longitudinal direction along the bottom of the first support unit in the front-back direction. a connection pillar that is connected and installed to enable sliding movement and supports the first support unit; and
A block support spring installed inside the pillar seating groove to support the lower end of the connecting pillar seated in the pillar seating groove. A steel grating fixing device comprising a.