CN208885321U - A kind of mine anchor rod protective device - Google Patents

Abstract

The utility model discloses a kind of mine anchor rod protective devices, including anchor pole and adjustment axis, anchor pole bottom is equipped with anchor head, anchor pole is fixedly installed with connector sleeve among outer surface, adjustment axis upper end is installed by rod end, clamp device is installed on the outside of anchor pole upper end, utilize clamp device, auxiliary bar, device mainboard, fixed plate, casing, clamping plate, reinforcing rib and screw hole, it can guarantee the fixation of anchor pole and rock mass, increase mutual pulling force, anchor pole is set to be not easy to be broken in rock mass, and device can expand the stationary plane of anchor pole, together by the surrounding rock consolidation in range, make country rock itself supporting itself；Using adjustment axis, expansion plate, limited block, steel cable, inner sleeve, device is fixedly connected between each other with clamp device, and has elasticity, the pulling force for sharing anchor pole guarantees the stabilization of equipment, mobile using inner sleeve, power is converted, security risk when anchor pole fracture is reduced.

Description

A kind of mine anchor rod protective device

Technical field

The utility model relates to anchor pole correlative technology field, specially a kind of mine anchor rod protective device.

Background technique

With the increase of coal mining intensity and depth, the high-ground stress problem of mine is got worse, and ground pressure has become Influence one of important disaster of mine safety production, including mine pressure, rock burst, roof fall, wall caving, the diminution of tunnel vault etc..In coal mine During tunnelling or working face extraction, tunnel is influenced strongly by dynamic pressure, so that surrouding rock deformation is more serious, especially for geology When the complex situation of condition, particularly the unqualified unreasonable material of Design of bolt support, it will anchor pole occurs and is broken suddenly Phenomenon, it is contemplated that when anchor pole fracture, moment will generate very big impulse force, in addition potential energy possessed by anchor pole itself, it will right Equipment and operating personnel in tunnel cause huge security risk, simultaneously because the anchor pole that breaks frequently occurs in and closes on coal-getter Make face position, and randomness is strong, cause very big security risk to site operation personnel, be unfavorable for keeping the safety in production, break anchor pole speed Degree is fast, and energy is high, and power is larger, it is therefore necessary to be subject to effective protection.Currently, can preferably anchor pole be protected by lacking one kind The device of shield can not effectively share the anchor stress after snapping, and be not easy to later maintenance, so existing mine anchor rod protects Device or incomplete, the utility model proposes a kind of mine anchor rod protective devices for solving the above problems thus.

Utility model content

The purpose of this utility model is to provide a kind of mine anchor rod protective devices, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of mine anchor rod protective device, including anchor Bar and adjustment axis, the anchor pole bottom are equipped with anchor head, are shape of threads on the outside of the anchor pole, fix among the anchor pole outer surface Connector sleeve is installed, the anchor pole top is welded to each other with adjustment axis, the adjustment axis upper end installation rod end, on the rod end Hold it is fixed by snap be inlaid with closing cap, clamp device, described clamp device or so two are installed on the outside of the anchor pole upper end Side is inlayed respectively is equipped with auxiliary bar, is inlaid with backing plate, the auxiliary bar top installation on the inside of the clamp device with auxiliary bar junction There is limited block, inner sleeve is installed on the outside of the adjustment axis, is fixedly installed with expansion plate on the outside of the inner sleeve, the expansion plate is double Laminate body, the expansion plate two sides of the bottom are fixedly installed with steel cable respectively, and the steel cable bottom is fixedly connected with limited block, described Expansion plate upper end two sides are respectively welded buckle.

Preferably, the clamp device includes device mainboard, fixed plate, casing, clamping plate, reinforcing rib and screw hole, the dress It sets mainboard bottom and is welded with fixed plate, described sleeve pipe is embedded in inside device mainboard and fixed plate, described sleeve pipe bottom outside peace Equipped with reinforcing rib, it is respectively welded clamping plate at left and right sides of described device mainboard, is inlaid with screw hole inside the clamping plate.

Preferably, the reinforcing rib is equipped with several, and is equidistantly weldingly fixed on bushing outer surface, the reinforcement top rib Face and fixed plate are connected with each other.

Preferably, the clamping plate is L shape, and the screw hole interior size specification is identical as auxiliary bar.

Preferably, the expansion plate includes plate body, connection gasket, cavity and fixing groove, is fixedly installed on the inside of the plate body Connection gasket, the connection gasket center, which is inlayed, is equipped with cavity, and the plate body quadrangle is separately installed with fixing groove.

Preferably, the connection gasket and inner sleeve are connected with each other, and internal specifications match, and the fixing groove and buckle are mutual Corresponding installation.

Preferably, the steel cable inclination installation, the steel cable are made of steel wire strand winding.

Compared with prior art, the utility model has the beneficial effects that

1. utilizing clamp device, auxiliary bar, device mainboard, fixed plate, casing, clamping plate, reinforcing rib and screw hole, it is ensured that anchor The fixation of bar and rock mass increases mutual pulling force, makes anchor pole be not easy to be broken in rock mass, and device can expand consolidating for anchor pole Determine face, together by the surrounding rock consolidation in range, makes country rock itself supporting itself.

2. utilizing adjustment axis, expansion plate, limited block, steel cable, inner sleeve, device is fixedly connected between each other with clamp device, And there is elasticity, and the pulling force of anchor pole is shared, guarantees the stabilization of equipment, it is mobile using inner sleeve, power is converted, it is disconnected to reduce anchor pole Security risk when splitting.

3. device can be attached with the external world, auxiliary using expansion plate, plate body, connection gasket, cavity, fixing groove and buckle It helps and is protected, guarantee that anchor pole is fixed, and easy for installation, run convenient for the use of equipment.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the structural schematic diagram of the utility model clamp device；

Fig. 3 is the structural schematic diagram of the utility model expansion plate.

In figure: anchor pole 1, anchor head 2, connector sleeve 3, clamp device 4, adjustment axis 5, expansion plate 6, rod end 7, closing cap 8, auxiliary bar 9, limited block 10, steel cable 11, inner sleeve 12, buckle 13, device mainboard 41, fixed plate 42, casing 43, clamping plate 44, reinforcing rib 45, spiral shell Hole 46, plate body 61, connection gasket 62, cavity 63, fixing groove 64.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of mine anchor rod protective device, including anchor pole 1 With adjustment axis 5, it is characterised in that: 1 bottom of anchor pole is equipped with anchor head 2, is shape of threads on the outside of anchor pole 1, and 1 outer surface of anchor pole centre is solid Dingan County is equipped with connector sleeve 3, and 1 top of anchor pole is welded to each other with adjustment axis 5, and rod end 7 is installed in 5 upper end of adjustment axis, and 7 upper end of rod end is logical It crosses to buckle to fix and is inlaid with closing cap 8, clamp device 4 is installed on the outside of 1 upper end of anchor pole, 4 left and right sides of clamp device is inlayed respectively Embedding to be equipped with auxiliary bar 9,4 inside of clamp device is inlaid with backing plate with auxiliary 9 junction of bar, and auxiliary 9 top of bar is equipped with limited block 10, adjusts Inner sleeve 12 is installed on the outside of nodal axisn 5, expansion plate 6 is fixedly installed on the outside of inner sleeve 12, expansion plate 6 is the double-deck plate body, 6 bottom of expansion plate Portion two sides are fixedly installed with steel cable 11 respectively, and 11 bottom of steel cable is fixedly connected with limited block 10, and 6 upper end two sides of expansion plate are welded respectively It is connected to buckle 13

Further, clamp device 4 includes device mainboard 41, fixed plate 42, casing 43, clamping plate 44, reinforcing rib 45 and spiral shell Hole 46,41 bottom of device mainboard are welded with fixed plate 42, and casing 43 is embedded in inside device mainboard 41 and fixed plate 42, casing 43 Bottom outside is equipped with reinforcing rib 45, and clamping plate 44 is respectively welded at left and right sides of device mainboard 41, is inlaid with spiral shell inside clamping plate 44 Hole 46, it is ensured that the fixation of anchor pole and rock mass increases mutual pulling force, and anchor pole is made to be not easy to be broken in rock mass.

Further, reinforcing rib 45 is equipped with several, and is equidistantly weldingly fixed on 43 outer surface of casing, and reinforcing rib 45 pushes up Face and fixed plate 42 are connected with each other, and device intensity is high, and use is safe.

Further, clamping plate 44 is L shape, and 46 interior size specification of screw hole is identical as auxiliary bar 9, and device can expand anchor pole Stationary plane together by the surrounding rock consolidation in range makes country rock itself supporting itself.

Further, expansion plate 6 includes plate body 61, connection gasket 62, cavity 63 and fixing groove 64, fixed peace on the inside of plate body 61 Equipped with connection gasket 62,62 center of connection gasket, which is inlayed, is equipped with cavity 63, and 61 4 jiaos of plate body are separately installed with fixing groove 64, guarantees to set Standby stabilization, it is mobile using inner sleeve, power is converted, security risk when anchor pole fracture is reduced.

Further, connection gasket 62 and inner sleeve 12 are connected with each other, and internal specifications match, fixing groove 64 and 13 phases of buckle Mutually corresponding installation, stable connection.

Further, the inclination of steel cable 11 installation, steel cable 11 are made of steel wire strand winding, are had elasticity, are shared anchor pole Pulling force.

Working principle: when practical operation, anchor pole 1 is installed in basement rock by operator, and anchor head 2 is downwardly into, by anchor pole 1 After fixation, closing cap 8 is closed, clamp device 4 is installed to rock mass bottom surface, be fixed on the outside of anchor pole 1, by screw hole 46 by auxiliary bar 9 are installed in device, are auxiliarily fixed, and device mainboard 41, fixed plate 42 and casing 43, which can stablize device and anchor pole 1, to be connected It connects, will not shift, and by reinforcing rib 45, device use intensity is high, and auxiliary 9 top of bar is connected with steel cable by limited block 10 11, steel cable 11 is fixed on 6 bottom of expansion plate, and expansion plate 6 is fixed on 5 outside of adjustment axis by the sliding of inner sleeve 12, passes through buckle 13 It can be fixed with outside object.

When anchor pole 1 is damaged, clamp device 4 by auxiliary 9 stability plane of bar prevents from that avalanche directly occurs, and passes through tune The pulling force of equipment is transmitted on steel cable 11 by nodal axisn 5, and expansion plate 6 moves in adjustment axis 5, is reduced anchor pole and is broken suddenly, generates Impulse force, carry out stabilization protective, while reducing the security risk of construction personnel, equipment repairs, and when replacement, can pass through set Pipe 43, inner sleeve 12 are operated, while keeping the stabilization of basement rock.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of mine anchor rod protective device, including anchor pole (1) and adjustment axis (5), it is characterised in that: anchor pole (1) bottom It is equipped with anchor head (2), is shape of threads on the outside of the anchor pole (1), is fixedly installed with connector sleeve among anchor pole (1) outer surface (3), anchor pole (1) top is welded to each other with adjustment axis (5), and rod end (7) are installed in adjustment axis (5) upper end, the bar (7) upper end is fixed by snap is inlaid with closing cap (8) at end, is equipped with clamp device (4), institute on the outside of anchor pole (1) upper end It states to inlay respectively at left and right sides of clamp device (4) and be equipped with auxiliary bar (9), on the inside of the clamp device (4) and auxiliary bar (9) junction It is inlaid with backing plate, auxiliary bar (9) top is equipped with limited block (10), is equipped with inner sleeve (12), institute on the outside of the adjustment axis (5) It states and is fixedly installed with expansion plate (6) on the outside of inner sleeve (12), the expansion plate (6) is the double-deck plate body, expansion plate (6) bottom two Side is fixedly installed with steel cable (11) respectively, and steel cable (11) bottom is fixedly connected with limited block (10), on the expansion plate (6) End two sides are respectively welded buckle (13).

2. a kind of mine anchor rod protective device according to claim 1, it is characterised in that: the clamp device (4) includes Device mainboard (41), fixed plate (42), casing (43), clamping plate (44), reinforcing rib (45) and screw hole (46), described device mainboard (41) bottom is welded with fixed plate (42), and described sleeve pipe (43) is embedded in device mainboard (41) and fixed plate (42) is internal, described Casing (43) bottom outside is equipped with reinforcing rib (45), is respectively welded clamping plate (44) at left and right sides of described device mainboard (41), Screw hole (46) are inlaid with inside the clamping plate (44).

3. a kind of mine anchor rod protective device according to claim 2, it is characterised in that: the reinforcing rib (45) is equipped with Several, and it is equidistantly weldingly fixed on casing (43) outer surface, reinforcing rib (45) top surface and fixed plate (42) are connected with each other.

4. a kind of mine anchor rod protective device according to claim 2, it is characterised in that: the clamping plate (44) is L shape, institute It is identical as auxiliary bar (9) to state screw hole (46) interior size specification.

5. a kind of mine anchor rod protective device according to claim 1, it is characterised in that: the expansion plate (6) includes plate Body (61), connection gasket (62), cavity (63) and fixing groove (64), plate body (61) inside are fixedly installed with connection gasket (62), Connection gasket (62) center, which is inlayed, to be equipped with cavity (63), and plate body (61) quadrangle is separately installed with fixing groove (64).

6. a kind of mine anchor rod protective device according to claim 5, it is characterised in that: the connection gasket (62) and inner sleeve (12) it is connected with each other, and internal specifications match, the fixing groove (64) corresponds to each other installation with buckle (13).

7. a kind of mine anchor rod protective device according to claim 1, it is characterised in that: steel cable (11) the inclination peace Dress, the steel cable (11) are made of steel wire strand winding.