CN217841701U

CN217841701U - Stepped special-shaped steel belt

Info

Publication number: CN217841701U
Application number: CN202221735605.1U
Authority: CN
Inventors: 张立强; 张展华
Original assignee: Shaanxi Pubai Mine Support Co ltd
Current assignee: Shaanxi Pubai Mine Support Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-11-18
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a cascaded steel band of dysmorphism, including tray structure and steel band body, tray structure includes bottom ring and roof, and is connected with a plurality of ribs between roof and the bottom ring, the bottom ring lower surface is equipped with the draw-in groove, steel band body top middle part is equipped with the bellying, the bellying bottom of steel band body forms the recess, steel band body both sides are equipped with a plurality of steel bushings and a plurality of connecting plate respectively. The utility model discloses in, be provided with tray structure and steel band body, the draw-in groove has been seted up to tray structure bottom for the draw-in groove of tray structure bottom can further improve the ability of stepping down of steel band body and tray with the bellying block at steel band body top, and is equipped with a plurality of stiffeners in the recess at steel band body bottom middle part, can strengthen steel band body bulk strength, and this structure processing is simple, and low cost installs fast, is applicable to multiple scene.

Description

Stepped special-shaped steel belt

Technical Field

The utility model relates to a tunnel or tunnel technical field especially relate to a cascaded steel band of dysmorphism.

Background

At present, in construction roadways such as mines, culverts, subways and the like, a large number of protecting nets are adopted for isolation in China and are supported by anchor rods so as to prevent broken stones from falling off and protect the lives of underground workers, and steel belts are important matching parts in devices for anchor rod support.

The existing mining yielding device comprises yielding anchor rods or yielding anchor cables and the like, the anchor rods tend to have high strength and ultrahigh strength along with the development of anchor rod supporting technology, and the matched anchor rod steel belt is required to have higher strength and better yielding performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a special-shaped step type steel belt.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a cascaded steel band of dysmorphism, includes tray structure and steel band body, tray structure includes end ring and roof, and is connected with a plurality of ribs between roof and the end ring, the end ring lower surface is equipped with the draw-in groove, steel band body top middle part is equipped with the bellying, the bellying bottom of steel band body forms the recess, steel band body both sides are equipped with a plurality of steel bushings and a plurality of connecting plate respectively.

Furthermore, the clamping groove is clamped with the protruding part of the steel belt body, so that the tray structure can be clamped on the steel belt body, and the pressure yielding capacity of the steel belt body and the tray structure is improved.

Further, bellying lateral wall both sides all are equipped with a plurality of convex closure, draw-in groove inside wall both sides are equipped with the constant head tank that corresponds with a plurality of convex closures, convex closure and constant head tank block for the tray structure can block the fixed position on the steel band body, avoids tray structure and steel band body to take place the skew.

Further, the quantity of rib is three at least, can guarantee the intensity of tray structure, the width of steel band body is ten centimetres at least to can guarantee the support intensity of steel band body to the tunnel rock face.

Furthermore, a first anchor rod hole is formed in the middle of the top plate, a plurality of second anchor rod holes are formed in the middle of the protruding portion of the steel belt body, and the first anchor rod hole and the second anchor rod holes are used for penetrating anchor rods.

Furthermore, be equipped with a plurality of stiffeners in the recess, and the position and the second stock hole position of stiffener stagger, the intensity of steel band body can be strengthened to the stiffener.

Further, one side that the steel band body was kept away from to the steel bushing is the inserting groove, the connecting plate of steel band body and the inserting groove block of the steel bushing of adjacent steel band body, and connecting plate and steel bushing pass through bolt fixed connection for two adjacent steel band bodies can be in the same place by the combination, make and to connect between a plurality of steel band bodies of strutting, increase lifting surface area, dispersion atress, and then improve and strut the effect.

The utility model has the advantages that:

1. the utility model discloses when using, through setting up tray structure and steel band body, the draw-in groove has been seted up to tray structure bottom for the draw-in groove of tray structure bottom can with the bellying block at steel band body top, further improve the ability of stepping down of steel band body and tray, and be equipped with a plurality of stiffeners in the recess at steel band body bottom middle part, can strengthen steel band body bulk strength, this structure processing is simple, low cost, the installation is quick, is applicable to multiple scene.

2. The utility model discloses when using, through set up corresponding steel bushing and connecting plate respectively in steel band body both sides, when the actual installation for this physical stamina of two adjacent steel bands links together, thereby makes this steel band more firm when strutting the rock mass in tunnel or tunnel.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is an enlarged view of the point A of the present invention;

fig. 3 is a top view of the tray structure of the present invention;

fig. 4 is a perspective view of the steel belt body of the present invention.

Illustration of the drawings:

1. a bottom ring; 2. a steel strip body; 3. a top plate; 4. a rib; 5. a first anchor rod bore; 6. a card slot; 7. a boss portion; 8. A groove; 9. a second anchor rod eye; 10. a reinforcing rod; 11. a convex hull; 12. positioning a groove; 13. steel bushing; 14. a connecting plate.

Detailed Description

As shown in fig. 1, relate to a cascaded steel band of dysmorphism, including tray structure and steel band body 2, the tray structure includes bottom ring 1 and roof 3, and be connected with a plurality of ribs 4 between roof 3 and the

bottom ring

1, 1 lower surface of bottom ring is equipped with draw-in

groove

6, 2 top middle parts of steel band body are equipped with

bellying

7, 7 bottoms of bellying of steel band body 2

form recess

8, 2 both sides of steel band body are equipped with a plurality of steel bushings 13 and a plurality of connecting plate 14 respectively, steel bushing 13 is the symmetry setting with connecting plate 14, and steel bushing 13 and connecting plate 14 all through welding and steel band body 2 fixed connection.

As shown in fig. 1-4, draw-in groove 6 and the 7 blocks of bellying of steel band body 2, thereby can improve the tray structure and the ability of letting down pressure of

steel band body

2, 7 lateral wall both sides of bellying all are equipped with a plurality of

convex closure

11, 6 inside wall both sides of draw-in groove are equipped with the constant head tank 12 that corresponds with a plurality of convex closure 11, convex closure 11 and constant head tank 12 block, the height of convex closure 11 and the degree of depth of constant head tank 12 are 1mm to 2mm, make end ring 1 can the joint to steel band body 2 on bellying 7, can utilize convex closure 11 and constant head tank 12 to restrict end ring 1 position on steel band body 2 again. The quantity of rib 4 is three at least, and the width of steel band body 2 is ten centimetres at least, and the quantity of rib 4 can set up quantity according to actual demand, the utility model discloses set up to six, steel band body 2 guarantees to guarantee to strut the effect more than ten centimetre width.

First anchor rod hole 5 has been seted up at 3 middle parts of roof, a plurality of second anchor rod holes 9 have been seted up at 7 middle parts of the bellying of steel band body 2, first anchor rod hole 5 corresponds with second anchor rod hole 9 position, and the stock can pass first anchor rod hole 5 and second anchor rod hole 9, be equipped with a plurality of stiffeners 10 in the recess 8, and the position of stiffener 10 staggers with second anchor rod hole 9 position, steel jacket 13 keeps away from one side of steel band body 2 and is the inserting groove, the connecting plate 14 of steel band body 2 and the inserting groove block of steel jacket 13 of adjacent steel band body 2, all be equipped with the screw that is used for connecting on steel jacket 13 and the connecting plate 14, make connecting plate 14 and steel jacket 13 can pass through bolt fixed connection, steel jacket 13 and connecting plate 14 all are the same material with steel band body 2, can link together two adjacent steel band bodies 2 through steel jacket 13 and connecting plate 14.

When in use: can insert the connecting plate 14 of 2 one sides of a steel band body in the steel bushing 13 of adjacent steel band body 2, and carry out fixed connection through the bolt, make a plurality of steel band bodies 2 can make up into the large tracts of land and strut the steel band, 1 card of end ring 1 with a plurality of tray structures is on the steel band body 2 that corresponds after that, and make the 7 blocks of bellying 6 on the draw-in groove 6 of end ring 1 bottom and the steel band body 2, and the convex closure 11 of bellying 7 both sides can be with the constant head tank 12 block of 6 inside walls of draw-in groove, spacing is carried out to the tray structure from this, can improve yielding ability of steel band body 2 and tray structure through this mode.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a cascaded steel band of dysmorphism which characterized in that: including tray structure and steel band body (2), tray structure includes end ring (1) and roof (3), and is connected with a plurality of ribs (4) between roof (3) and end ring (1), end ring (1) lower surface is equipped with draw-in groove (6), steel band body (2) top middle part is equipped with bellying (7), bellying (7) bottom formation recess (8) of steel band body (2), steel band body (2) both sides are equipped with a plurality of steel bushings (13) and a plurality of connecting plate (14) respectively.

2. The profiled stepped steel strip of claim 1, wherein: the clamping groove (6) is clamped with the protruding part (7) of the steel belt body (2).

3. The profiled stepped steel strip of claim 2, wherein: protruding portion (7) lateral wall both sides all are equipped with a plurality of convex closure (11), draw-in groove (6) inside wall both sides are equipped with constant head tank (12) that correspond with a plurality of convex closure (11), convex closure (11) and constant head tank (12) block.

4. The profiled stepped steel strip of claim 1, wherein: the number of the ribs (4) is at least three, and the width of the steel belt body (2) is at least ten centimeters.

5. A profiled stepped steel strip as claimed in claim 1 wherein: a first anchor rod hole (5) is formed in the middle of the top plate (3), and a plurality of second anchor rod holes (9) are formed in the middle of the protruding portion (7) of the steel belt body (2).

6. A profiled stepped steel strip as claimed in claim 5 wherein: a plurality of reinforcing rods (10) are arranged in the groove (8), and the positions of the reinforcing rods (10) are staggered with the position of the second anchor rod hole (9).

7. The profiled stepped steel strip of claim 1, wherein: one side of the steel sleeve (13) far away from the steel belt body (2) is an insertion groove, the connecting plate (14) of the steel belt body (2) is clamped with the insertion groove of the steel sleeve (13) of the adjacent steel belt body (2), and the connecting plate (14) is fixedly connected with the steel sleeve (13) through a bolt.