CN220118157U - Anchoring steel belt for roadway support - Google Patents

Abstract

The utility model discloses an anchor steel belt for roadway support, which belongs to the technical field of roadway support equipment and comprises an anchor steel belt, wherein a plurality of arc-shaped through holes are formed in the surface of the anchor steel belt at intervals, a large-diameter anchor rod or a small-diameter anchor rod penetrates through the inside of each arc-shaped through hole, a connecting plate is welded on the upper surface of the anchor steel belt at one side of the center position of each arc-shaped through hole, a lower limiting assembly is arranged on the connecting plate, two clamping plates which are bilaterally symmetrical are welded on the upper surface of the anchor steel belt at the other side of the center position of each arc-shaped through hole, and an upper limiting assembly is arranged between the two clamping plates. The anchoring steel belt can be suitable for anchor rods with different diameter sizes, and meanwhile, the exposed end parts of the anchor rods can be limited in angle, so that the problem that the stability of the existing W steel belt for fixing a plurality of anchor rods is not good enough is solved.

Description

Anchoring steel belt for roadway support

Technical Field

The utility model relates to the technical field of roadway support equipment, in particular to an anchoring steel belt for roadway support.

Background

The W steel belt is a common material for mine roadway support, the W steel belt can be combined with various anchor rods together, the rear dust anchor rod support can connect a plurality of scattered anchor rods together through the W steel belt to form an integral bearing structure, the integral support effect of the anchor rods is obviously improved, in an incomplete roof stratum, the effect is optimal, the W steel belt is generally Q235, the cross section is similar to the W shape, the convex surface of the W steel belt can be an arc surface or a plane, and compared with other steel belts, the W steel belt is less prone to tearing and has high rigidity.

In the in-service use, W steel band has following problem, firstly various stock radius size is not the same, and the arc through-hole aperture that current W steel band surface was seted up is unanimous, and the stock of different radius sizes is fixed to stability that can not be better, leads to stability not good enough, and secondly the stock that wears out from W steel band arc through-hole is not all vertical state, because there is the angle in the lane face, the stock also can incline different angles, and the W steel band among the prior art can not carry out spacingly to the stock of different inclination, leads to the stock outer end to take place the slope easily, influences the stable security of slip casting and support.

Disclosure of Invention

The utility model aims to provide an anchoring steel belt for roadway support, which can be suitable for anchor rods with different diameter sizes, can limit the angle of the exposed end parts of the anchor rods, and solves the problem that the stability of the existing W steel belt for fixing a plurality of anchor rods is not good enough.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an anchor steel band for roadway support, includes the anchor steel band, anchor steel band surface interval be equipped with a plurality of arc through-hole, inside major diameter stock or the minor diameter stock of passing of arc through-hole, the anchor steel band upper surface welding of arc through-hole central point department one side have the connecting plate, the connecting plate on be equipped with the spacing subassembly of below, the anchor steel band upper surface welding of arc through-hole central point department opposite side have bilateral symmetry's two splint, two splint between be equipped with the spacing subassembly of top.

As the further optimization of this scheme, below spacing subassembly include U type reinforcing bar, the vertical section of U type reinforcing bar both sides all pass the connecting plate surface and seted up the through-hole just U type reinforcing bar U type section stretch into arc through-hole top position department, the vertical section processing of U type reinforcing bar both sides have the external screw thread, U type reinforcing bar U type section chucking at another side lever body of major diameter stock or minor diameter stock, the vertical section of U type reinforcing bar both sides screw spacingly through the nut in the connecting plate outside.

As the further optimization of this scheme, top spacing subassembly include the pivoted board, the pivoted board rotate through the pivot of both sides and connect between two splint, pivot inner and splint between the cover be equipped with anti-skidding gasket, the pivot outer end screw up spacingly through lock nut, the pivoted board on be equipped with bilateral symmetry's through-hole just the through-hole inside pass U shaped bar, U shaped bar U type section chucking at a major diameter stock or a minor diameter stock side lever body, the vertical section of U shaped bar both sides screw spacingly through the nut in the pivoted board outside.

As a further optimization of the scheme, the large-diameter anchor rod and the small-diameter anchor rod are inclined or vertically pass through the arc-shaped through holes.

As the further optimization of this scheme, the vertical section length of U shaped steel muscle in the spacing subassembly of top be greater than the vertical section length of U shaped steel muscle in the spacing subassembly of below.

As the further optimization of this scheme, U shaped steel muscle U type section radian be the same with arc through-hole radian, the connecting plate lateral surface control both ends and anchor steel band upper surface between and two splint bottom front and back sides and anchor steel band upper surface between all be equipped with triangle-shaped strengthening rib piece.

As the further optimization of this scheme, major diameter stock and minor diameter stock all through U shaped steel muscle medial surface and arc through-hole one side medial surface chucking spacing of upper and lower both sides.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model designs the structures of the lower limiting component and the upper limiting component, and stably limits the large-diameter anchor rod or the small-diameter anchor rod through the U-shaped steel bar and the inner side of one side of the arc-shaped through hole in the structure, so that the applicability is good; meanwhile, the exposed end part of the anchor rod can be limited in angle, the inclination phenomenon of the outer end of the anchor rod is reduced, and the stability and safety of subsequent grouting and supporting are improved.

Drawings

FIG. 1 is a schematic view of the overall structure of an anchor strip of the present utility model;

FIG. 2 is a schematic view of a lower limit assembly according to the present utility model;

FIG. 3 is a schematic view of an upper limit assembly according to the present utility model;

in the figure: 1. anchoring the steel belt; 2. a clamping plate; 3. a connecting plate; 4. a small diameter anchor rod; 5. a large diameter anchor rod; 6. u-shaped reinforcing steel bars; 7. a nut; 8. an arc-shaped through hole; 9. a rotating shaft; 10. a rotating plate; 11. an anti-slip gasket.

Detailed Description

The utility model is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the utility model easy to understand.

As shown in fig. 1, two arc-shaped through holes 8 are formed in the surface of an anchor steel belt 1 at intervals, a large-diameter anchor rod 5 or a small-diameter anchor rod 4 penetrates through the inside of each arc-shaped through hole 8, a connecting plate 3 is welded on the upper surface of the anchor steel belt 1 at one side of the center position of each arc-shaped through hole 8, a lower limiting component is arranged on the connecting plate 3, two clamping plates 2 which are symmetrical left and right are welded on the upper surface of the anchor steel belt 1 at the other side of the center position of each arc-shaped through hole 8, and an upper limiting component is arranged between the two clamping plates 2;

the lower limiting assembly structure is shown in fig. 2, and comprises U-shaped steel bars 6, wherein through holes are formed in the vertical sections on two sides of the U-shaped steel bars 6 through the surface of the connecting plate 3, the U-shaped steel bars 6 and U sections extend into the positions above the arc-shaped through holes 8, external threads are machined on the vertical sections on two sides of the U-shaped steel bars 6, the U-shaped steel bars 6 and U sections are clamped on the large-diameter anchor rod 5 or the other side rod body of the small-diameter anchor rod 4, and the vertical sections on two sides of the U-shaped steel bars 6 are screwed and limited through nuts 7 on the outer sides of the connecting plate 3;

to the spacing subassembly structure in top as shown in fig. 3, including rotating plate 10, rotating plate 10 rotates through the pivot 9 of both sides and connects between two splint 2, and cover anti-skidding gasket 11 between pivot 9 inner and the splint 2, pivot 9 outer end is through lock nut tightening spacing, is equipped with bilateral symmetry's through-hole and the inside U shaped steel muscle 6 that passes of through-hole on the rotating plate 10, U shaped steel muscle 6U type section chucking is at a major diameter stock 5 or a minor diameter stock 4 side lever body, and the vertical section of U shaped steel muscle 6 both sides is through the nut 7 of rotating plate 10 outside spacing of screwing.

The working principle of the utility model is that for the inclined small-diameter anchor rod 4, as shown in fig. 2, one side of the small-diameter anchor rod 4 is clamped at one side of an arc-shaped through hole 8, then the U-shaped steel bar 6 of the upper limiting component is pulled outwards until being clamped at one side of the small-diameter anchor rod 4, the length position of the U-shaped steel bar 6 and the angle position of a rotating plate 10 are respectively fixed through a nut 7 and a locking nut, finally the U-shaped steel bar 6 of the lower limiting component is pulled until being clamped at the other side of the small-diameter anchor rod 4, the fixing is realized through the limiting of the nut 7, and similarly, for the vertical large-diameter anchor rod 5, as shown in fig. 3, the limiting is carried out by repeating the method.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

Although embodiments of the present utility model have been shown 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 principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. An anchor steel band for roadway support, characterized in that: including the anchor steel band, anchor steel band surface interval be equipped with a plurality of arc through-hole, the inside major diameter stock or the minor diameter stock that passes of arc through-hole, the anchor steel band upper surface welding of arc through-hole central point department one side have the connecting plate, the connecting plate on be equipped with below spacing subassembly, the anchor steel band upper surface welding of arc through-hole central point department opposite side have bilateral symmetry's two splint, two splint between be equipped with the spacing subassembly of top.

2. An anchor strip for roadway support according to claim 1, wherein: the lower limiting assembly comprises U-shaped steel bars, the vertical sections on two sides of the U-shaped steel bars penetrate through the surface of the connecting plate to form through holes, the U-shaped steel bars extend into the positions above the arc-shaped through holes, external threads are machined on the vertical sections on two sides of the U-shaped steel bars, the U-shaped steel bars are clamped on the other side rod body of the large-diameter anchor rod or the small-diameter anchor rod, and the vertical sections on two sides of the U-shaped steel bars are limited through nuts on the outer sides of the connecting plate in a screwing mode.

3. An anchor strip for roadway support according to claim 2, wherein: the upper limiting assembly comprises a rotating plate, the rotating plate is rotationally connected between two clamping plates through rotating shafts on two sides, an anti-slip gasket is sleeved between the inner end of the rotating shaft and the clamping plates, the outer end of the rotating shaft is limited by tightening a locking nut, a left-right symmetrical through hole is formed in the rotating plate, a U-shaped steel bar penetrates through the through hole, the U-shaped steel bar is clamped on a side rod body of a large-diameter anchor rod or a small-diameter anchor rod, and vertical sections on two sides of the U-shaped steel bar are limited by tightening nuts on the outer side of the rotating plate.

4. An anchor strip for roadway support according to claim 3, wherein: the large-diameter anchor rod and the small-diameter anchor rod are inclined or vertically pass through the arc-shaped through holes.

5. An anchor strip for roadway support as claimed in claim 4, wherein: the length of the U-shaped steel bar vertical section in the upper limiting assembly is greater than that in the lower limiting assembly.

6. An anchor strip for roadway support as claimed in claim 5, wherein: the radian of the U-shaped steel bar U-shaped section is the same as that of the arc-shaped through hole, and triangular reinforcing rib blocks are arranged between the left end and the right end of the outer side face of the connecting plate and the upper surface of the anchoring steel belt, and between the front side and the rear side of the bottom ends of the two clamping plates and the upper surface of the anchoring steel belt.

7. An anchor strip for roadway support as claimed in claim 6, wherein: the large-diameter anchor rod and the small-diameter anchor rod are clamped and limited through the inner side surfaces of the U-shaped steel bars on the upper side and the lower side and the inner side surface of one side of the arc-shaped through hole.