CN215804640U

CN215804640U - Simple suspension anchor rod device in underground narrow space environment

Info

Publication number: CN215804640U
Application number: CN202122012210.0U
Authority: CN
Inventors: 高亚林; 艾启兴; 黄锋; 景保全; 申磊
Original assignee: Jinchuan Group Co Ltd; Jinchuan Nickel Cobalt Research and Design Institute Co Ltd
Current assignee: Jinchuan Group Co Ltd; Jinchuan Nickel Cobalt Research and Design Institute Co Ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-02-11
Anticipated expiration: 2031-08-25

Abstract

The utility model relates to the technical field of hoisting and supporting operation of heavy objects in narrow spaces such as underground mines or tunnels, in particular to a simple suspension anchor rod device for heavy objects in an underground closed narrow space environment, which comprises a tunnel portal, wherein concrete is arranged on one side of the tunnel portal; the fixing mechanism is inserted into the concrete, the fixing mechanism comprises a fixing rod and barb plates, the barb plates are movably connected to two sides of the fixing rod, the barb plates are six in number, and every three barb plates are a group. Through being provided with fixed plate, slip cap and barb board, with better installing between the device, make the device more stable at the in-process of installing, make the device more firm at the in-process that lifts by crane, adapt to the underground works of different narrow and small space environment and complicated geological conditions, alleviate intensity of labour, improve heavy object handling capacity and help carry and draw drilling rod length and quantity, and then increase the probing construction degree of depth, improve work efficiency.

Description

Simple suspension anchor rod device in underground narrow space environment

Technical Field

The utility model relates to the technical field of heavy object hoisting and supporting operation in narrow spaces such as underground mines or tunnels, in particular to a simple suspension anchor rod device for heavy objects in an underground closed narrow space environment.

Background

The anchor bolt support is a reinforcing support mode adopted in surface engineering such as side slopes, rock-soil deep foundation pits and the like and underground chamber construction such as tunnels, stopes and the like. The method is characterized in that a pole column is made of metal pieces, wood pieces, polymer pieces or other materials, and is driven into a hole which is drilled in advance in an earth surface rock body or a rock body around a chamber, and a special structure of a head part and a rod body and a tail supporting plate are utilized.

However, the above suspension anchor has the following disadvantages in use: in underground mines or tunnels and highway tunnels, due to the fact that space is narrow and small during interior construction, a plurality of large and medium-sized hoisting devices cannot enter, heavy object carrying or drilling construction is limited under the working environments, and the suspension anchor rod is inconvenient to install in the process of using in the narrow space environment, so that the anchor rod device is needed to be designed in the underground narrow space environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a simple anchor rod suspension device in an underground narrow space environment, and aims to solve the problems that in the background art, due to the fact that space is narrow and small, a plurality of large and medium-sized hoisting equipment cannot enter the device during construction in an underground mine or a tunnel, heavy object carrying or drilling construction is limited in the working environments, and the suspension anchor rod is inconvenient to install in the process of being used in the narrow space environment.

In order to achieve the purpose, the utility model provides the following technical scheme: a simple suspension anchor rod device in an underground narrow space environment, comprising:

the concrete is arranged on one side of the tunnel portal;

the fixing mechanism is inserted into the concrete, the fixing mechanism comprises a fixing rod and barb plates, the barb plates are movably connected to two sides of the fixing rod, the number of the barb plates is six, every three barb plates are a group and two groups of barb plates are welded to the upper end and the lower end of the surface of the fixing rod, the included angle between each barb plate and the surface of the fixing rod is 120 degrees, each barb plate is in a barb shape when being welded with the fixing rod, the angle is 10-20 degrees, a sleeving ring is fixedly connected to the surface of the fixing rod, two sides of the sleeving ring are movably connected with the fixing plate, one end of the fixing plate is movably connected with a sliding sleeve, one end of the fixing rod is provided with a threaded steel sealing circular ring tail hook, and the device is more stable in the installation process.

Preferably, two sets of fixed establishment sets up in the inside symmetry of tunnel portal, is located the inside both sides of tunnel portal respectively, and every interval 2 ~ 3 meters of the inside of tunnel portal all set up fixed establishment, and the in-process atress with the device carrying out the use is more even.

Preferably, the sliding sleeve is sleeved on the surface of the fixing rod, the threaded sleeve is sleeved on the surface of the fixing rod, and the sliding sleeve and the threaded sleeve are installed through threads, so that the device is more convenient to adjust and fix.

Preferably, a rotating cylinder is fixedly connected to one side of the threaded sleeve, and the rotating cylinder is sleeved on the surface of the fixed rod, so that the devices are connected with each other.

Preferably, the surface of the rotary drum is provided with a non-slip mat, and the surface of the non-slip mat is provided with non-slip lines to increase the friction force on the surface of the device.

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

1. through being provided with fixed plate, slip cap and barb board, with better installing between the device, make the device more stable at the in-process of installing, make the device more firm at the in-process that lifts by crane, adapt to the underground works of different narrow and small space environment and complicated geological conditions, alleviate intensity of labour, improve heavy object handling capacity and help carry and draw drilling rod length and quantity, and then increase the probing construction degree of depth, improve work efficiency.

2. The anchor rod support device has the advantages of simple structure, high tensile strength, high safety and reliability and flexible use conditions, and can be used for anchor rod support of underground mine roadways or tunnels by additionally arranging the nut for fixing the base plate after the tail support device is removed.

Drawings

FIG. 1 is a schematic sectional elevation view of the structure of the present invention;

FIG. 2 is a front view of the fixing mechanism of the present invention;

FIG. 3 is a schematic top view of the fixing mechanism of the present invention;

FIG. 4 is a schematic side view of a tunnel portal and securing mechanism mounting structure of the present invention.

In the figure: 1. a tunnel portal; 2. concrete; 3. a fixing mechanism; 31. fixing the rod; 32. a barb plate; 34. a sleeving connection ring; 35. a fixing plate; 36. a sliding sleeve; 37. a threaded sleeve; 38. a rotating drum; 33. the screw-thread steel closes the ring tail hook.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown:

a simple suspension anchor rod device in an underground narrow space environment, comprising:

the concrete tunnel comprises a tunnel portal 1, wherein concrete 2 is arranged on one side of the tunnel portal 1;

the fixing mechanism 3 is inserted into the concrete 2, the fixing mechanism 3 includes a fixing rod 31 and barb plates 32, the barb plates 32 are movably connected to two sides of the fixing rod 31, the number of the barb plates 32 is six, every three barb plates 32 are a group, two groups of barb plates 32 are welded to the upper end and the lower end of the surface of the fixing rod 31, an included angle between each group of barb plates 32 and the surface of the fixing rod 31 is 120 degrees, each barb plate 32 is in a shape of a barb when being welded to the fixing rod 31, the angle is 10-20 degrees, a sleeve ring 34 is fixedly connected to the surface of the fixing rod 31, fixing plates 35 are movably connected to two sides of the sleeve ring 34, one end of each fixing plate 35 is movably connected to a sliding sleeve 36, one end of the fixing rod 31 is provided with a thread steel closed circular ring tail hook 33, and the devices can be better installed, when an external pulling force is applied, the barb plate 32 can be automatically opened, the pulling resistance of the barb plate is further improved, the effect of suspending and combining the beam is achieved, and the barb plate is simple in structure, uniform in stress and easy to process.

Further, two sets of fixed establishment 3 are in the inside symmetry setting of tunnel portal 1, are located the inside both sides of tunnel portal 1 respectively, and every interval 2 ~ 3 meters of the inside of tunnel portal 1 all set up fixed establishment 3, with the in-process that the device is using, make the inside atress of device more even, make tunnel portal 1's inside more stable to the heavy object is lifted by crane in the use, construction conditions is nimble.

Furthermore, the sliding sleeve 36 is sleeved on the surface of the fixing rod 31, the threaded sleeve 37 is sleeved on the surface of the fixing rod 31, the sliding sleeve 36 and the threaded sleeve 37 are installed through threads, the devices are connected better, the devices are connected in the rotating process, convenience in use of the devices is improved, and the devices are connected better.

Further, a rotating drum 38 is fixedly connected to one side of the threaded sleeve 37, the rotating drum 38 is sleeved on the surface of the fixing rod 31, the surfaces of the devices are connected, the devices can rotate better, the rotating processes of the devices are not affected, and the high efficiency of the devices is improved.

Further, the surface of the rotating drum 38 is provided with a non-slip mat, the surface of the non-slip mat is provided with non-slip lines, and the non-slip mat increases the surface friction of the device in the rotating process, so that the device can be better used in the rotating process, and the use efficiency of the device is improved.

The working principle is as follows: when using the device, alternate dead lever 31 in the inside of concrete 2, through pack into 03 the drilling back, carry out the slip casting closely knit, treat the cement and solidify the back completely, can realize the unification of slip casting anchor and tensile pressure-bearing function, construction conditions is nimble, through rotatory rotary drum 38, make the thread bush 37 of one side connection rotatory, make the sliding sleeve 36 of threaded mounting remove, expand the fixed plate 35 of 36 one side connections of sliding sleeve, fix the inside at concrete 2 between the device.

The tail hook 33 of the screw-thread steel closed circular ring is welded and fixed with the fixed rod 31, the whole tensile property is good, the operation reliability is high, when the acting force of the fixed rod 31 is stretched, the fixed rod 31 is fixed in the concrete 2, the whole body is improved in the anti-pulling property, and the effect of supporting a heavy object to lift is achieved; when carrying heavy objects, 2-3 fixing mechanisms 3 are installed in the tunnel portal 1 at intervals of 2-3 meters according to needs, the heavy objects are connected with a chain block and a winch through steel wire ropes, and the devices are moved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a simple and easy stock device that suspends in midair in underground narrow space environment which characterized in that includes: the concrete is arranged on one side of the tunnel portal; the fixing mechanism, fixing mechanism alternates in the inside of concrete, fixing mechanism includes dead lever and barb board, barb board swing joint is in the both sides of dead lever, the quantity of barb board is six, six every three of barb board is a set of, and is two sets of the barb board all welds at the upper and lower both ends on dead lever surface, and every group barb board is 120 degrees with the contained angle on dead lever surface, is the shape of falling wedge when every barb board welds with the dead lever, and the angle is 10 degrees ~ 20 degrees, the fixed surface of dead lever is connected with the cover and connects the ring, the both sides of cover and connect the ring all swing joint have the fixed plate, the one end swing joint of fixed plate has the slip cap, the one end of fixed rod is provided with screw steel closed ring tail hook.

2. The simple suspension anchor rod device in the underground narrow space environment according to claim 1, is characterized in that: two sets of fixed establishment sets up in the inside symmetry of tunnel portal, is located the inside both sides of tunnel portal respectively, and every interval 2 ~ 3 meters in the inside of tunnel portal all set up fixed establishment.

3. The simple suspension anchor rod device in the underground narrow space environment according to claim 1, is characterized in that: the sliding sleeve is sleeved on the surface of the fixing rod, the threaded sleeve is sleeved on the surface of the fixing rod, and the sliding sleeve and the threaded sleeve are installed through threads.

4. A simple suspension anchor rod device in the underground narrow space environment according to claim 3, which is characterized in that: one side of the threaded sleeve is fixedly connected with a rotary drum, and the rotary drum is sleeved on the surface of the fixed rod.

5. The simple suspension anchor rod device in the underground narrow space environment according to claim 4, is characterized in that: the surface of the rotary drum is provided with an anti-slip mat, and anti-slip lines are arranged on the surface of the anti-slip mat.