Mining anchor rod support reinforced tray

Abstract

The utility model discloses a mining anchor rod supporting reinforced tray which comprises a tray body, a reinforcing convex ring and four reinforcing ribs. The reinforcing convex ring is arranged in the center of the tray body, the four reinforcing ribs are evenly arranged around the reinforcing convex ring, the inner ends of the reinforcing ribs are connected with the reinforcing convex ring, and the outer ends of the reinforcing ribs extend outwards to the edge of the center of the tray. The lower end of the reinforcing convex ring is connected with the tray body, a first groove hole is formed in the upper end of the reinforcing convex ring, the hole diameter of the first groove hole is gradually increased from inside to outside, and the outer diameter of the reinforcing convex ring is gradually reduced from bottom to top. On the premise of the same size and thickness, compared with a traditional butterfly-shaped tray, the butterfly-shaped tray is higher in bearing capacity and fully plays a role in supporting an anchor rod, the whole tray can be light in weight, small in size, high in bearing capacity and convenient to install and use on site, and meanwhile the cost can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine anchor rod support technical field, concretely relates to a mine anchor rod support reinforced tray. BACKGROUND

[0002] At present, mine roadway support unit generally has anchor rod support and other components, and the tray is mainly used for pressing the surface of the roadway and meets the requirement of MT / T146.2-2011 standard on bearing capacity, so as to realize the support effect on the roadway. The tray is basically square in shape, and the middle is butterfly-shaped, and the material is selected from Q235B, and the common size is 100*100 to 200*200mm, and the thickness is 10-12mm. When the four corners are raised due to the pressure, the support fails, and the method of increasing the size and thickening the thickness of the tray is used to meet the requirement of the roadway support, and the support cost is increased in the actual construction, and the safety performance is low, and the installation is inconvenient. UTILITY MODEL CONTENTS

[0003] The utility model discloses a mine anchor rod support reinforced tray.

[0004] The utility model discloses a mine anchor rod support reinforced tray, which comprises a tray body, a reinforcing convex ring and four reinforcing ribs.

[0005] The reinforcing convex ring is arranged at the center of the tray body, and the four reinforcing ribs are evenly arranged around the reinforcing convex ring.

[0006] The lower end of the reinforcing convex ring is connected with the tray body, the upper end of the reinforcing convex ring is provided with a first slot hole, the hole diameter of the first slot hole gradually increases from inside to outside, and the outer diameter of the reinforcing convex ring gradually decreases from bottom to top.

[0007] In another embodiment, the lower end of the reinforcing convex ring is connected with the tray body, the upper end of the reinforcing convex ring is connected with the center end face, the reinforcing convex ring is coaxially arranged with the center end face, the outer diameter of the reinforcing convex ring gradually decreases from bottom to top, and the center of the center end face is provided with a through hole.

[0008] Further, the tray body is square, the four corners of the tray center are chamfered, c is 25-40mm, the angle is 45°, and the outer ends of the four reinforcing ribs extend to the four chamfered corners respectively.

[0009] Further, the tray body is circular.

[0010] Further, the cross section of the reinforcing rib is arc-shaped, the width is 30mm-35mm, and the height is 10-15mm.

[0011] Further, the maximum outer diameter h of the reinforcing convex ring is 80-90mm.

[0012] Further, the diameter i of the center end face is 35-40mm, and the height difference j between the center end face and the tray body is 30-40mm.

[0013] The utility model has beneficial effects:

[0014] The utility model provides a mine anchor rod support reinforcing type tray, adopts the design that reinforcing rib extends to the tray body edge, has solved the four corners flanging warping technical problem when the tray arrives in actual use pressure, under the premise of same size thickness, compared with traditional butterfly tray, the bearing capacity is stronger, gives full play to the anchor rod support effect, and can realize whole tray light weight and size reduction, bearing capacity is high, is convenient for on -the -spot installation and uses, can also reduce cost simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of square tray body;

[0016] Figure 2 It is the dimension marking drawing of square tray body;

[0017] Figure 3 It is Figure 2 It is the sectional view along A-A;

[0018] Figure 4 It is the structural schematic diagram of first slot hole;

[0019] Figure 5 It is the structural schematic diagram of circular tray body;

[0020] Figure 6 It is the installation structure schematic diagram when the utility model is used;

[0021] Figure 7 It is the installation structure schematic diagram when the utility model is used;

[0022] In the drawing: 1-tray body, 2-reinforcing convex ring, 3-reinforcing rib, 4-first slot hole, 5-center end face, 6-roadway roof, 7-anchor rod body, 8-anchor rod nut, 9-ordinary tray. DETAILED DESCRIPTION

[0023] In the description of the utility model, it is necessary to explain that, unless there are explicit provisions and limitations, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, can be detachable connection, or integrally connected, can be mechanical connection, can be electrical connection, can be directly connected, can be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0024] As shown in the figure, a mine anchor rod support reinforced pallet, including tray body, reinforcing convex ring and four reinforcing ribs.

[0025] The reinforcing convex ring is arranged at the center of the tray body, and the four reinforcing ribs are evenly arranged around the reinforcing convex ring, the inner end of the reinforcing rib is connected with the reinforcing convex ring, and the outer end extends to the edge of the tray center. The cross section of the reinforcing rib is arc-shaped, the width is 30-35mm, and the height is 10-15mm.

[0026] In one embodiment, the lower end of the reinforcing convex ring is connected with the tray body, and the upper end of the reinforcing convex ring is provided with a first slot hole, the hole diameter of the first slot hole gradually increases from inside to outside. The outer diameter of the reinforcing convex ring gradually decreases from bottom to top. The maximum outer diameter h of the reinforcing convex ring is 80-90mm.

[0027] In one embodiment, the lower end of the reinforcing convex ring is connected with the tray body, and the upper end of the reinforcing convex ring is connected with the center end face, the reinforcing convex ring is coaxially arranged with the center end face, and the outer diameter of the reinforcing convex ring gradually decreases from bottom to top. The maximum outer diameter h of the reinforcing convex ring is 80-90mm. The diameter i of the center end face is 35-40mm, and the height difference j of the center end face and the tray body is 30-40mm. The center of the center end face is provided with a through hole.

[0028] In one embodiment, the tray body is square, the side length a is 100-200mm, and the thickness d of the tray body is 5-12mm; the four corners of the tray center are chamfered c, c is 25-40mm, and the angle is 45°. And the outer end of the four reinforcing ribs extends to the four chamfered corners respectively.

[0029] In one embodiment, the tray body is circular, the diameter is 100-200mm, and the thickness d of the tray body is 5-12mm.

[0030] When the tray is used, the center end face is downward, the roadway roof is provided with a socket, the anchor rod body is inserted into the socket, the lower end of the anchor rod body passes through the through hole of the center end face or the first slot hole of the reinforcing convex ring, and the anchor rod nut is threadedly connected, and the tray body supports the roadway roof. The tray is integrally prepared by a cold pressing integrated forming process.

[0031] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any person skilled in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical solution content of the present application still belongs to the protection scope of the technical solution of the present application.

Claims

1. A mine bolting reinforcement style tray characterised in that: The tray body, the reinforcing convex ring and four reinforcing ribs are included. The reinforcing convex ring is arranged at the center of the tray body, and the four reinforcing ribs are evenly arranged around the reinforcing convex ring, with the inner end of the reinforcing rib connected to the reinforcing convex ring and the outer end extending outward to the edge of the tray center. The lower end of the reinforcing convex ring is connected to the tray body, the upper end of the reinforcing convex ring is provided with a first slot hole, the hole diameter of the first slot hole gradually increases from inside to outside, and the outer diameter of the reinforcing convex ring gradually decreases from bottom to top.

2. A mine bolting reinforcement tray as claimed in claim 1, characterised in that: The lower end of the reinforcing convex ring is connected to the tray body, the upper end of the reinforcing convex ring is connected to the center end face, the reinforcing convex ring is coaxially arranged with the center end face, the outer diameter of the reinforcing convex ring gradually decreases from bottom to top, and the center of the center end face is provided with a through hole.

3. A mine bolting reinforcement tray as claimed in claim 1 or 2, characterised in that: The tray body is square, the four corners of the tray center are chamfered with a chamfer c of 25-40 mm and an angle of 45°, and the outer ends of the four reinforcing ribs extend to the four chamfered corners respectively.

4. A mine bolting reinforcement tray as claimed in claim 1 or 2, characterised in that: The tray body is circular.

5. A mine bolting reinforcement tray as claimed in claim 1 or 2, characterised in that: The cross section of the reinforcing rib is circular arc, the width is 30-35 mm, and the height is 10-15 mm.

6. A mine bolting reinforcement tray as claimed in claim 1 or 2, characterised in that: The maximum outer diameter h of the reinforcing convex ring is 80-90 mm.

7. A mine bolting reinforcement tray as claimed in claim 2, characterised in that: The diameter i of the center end face is 35-40 mm, and the height difference j between the center end face and the tray body is 30-40 mm.

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