CN210768859U

CN210768859U - Underground roadway surrounding rock protective frame

Info

Publication number: CN210768859U
Application number: CN201921649756.3U
Authority: CN
Inventors: 王大伟; 王克
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-16
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses an underground roadway surrounding rock protective frame, which comprises a supporting column and a protective ceiling, wherein the protective ceiling is arranged on the upper side of the supporting column, the protective frame is composed of the supporting column and the protective ceiling, wherein the supporting column is movably arranged on a torsion bolt shaft through a connecting head, the actual supporting angle of the connecting head and the torsion bolt shaft can be adjusted according to the actual shape in the roadway under the action of the torsion bolt shaft, thereby adapting to most installation requirements, a buffer rod and a buffer spring which are arranged in the supporting column effectively buffer the impact force caused by the impact of crushed stone on the protective frame, a safety air cushion is arranged on the top end of the protective ceiling, the impact force on the protective frame can be reduced, thereby prolonging the service life of each part, the protective ceiling can be lapped through an upper lapping plate and a lower lapping plate, thereby completing the integral installation of the roadway protective frame, and being suitable for, and effectively improve staff's factor of safety in the tunnel.

Description

Underground roadway surrounding rock protective frame

Technical Field

The utility model relates to a protective frame technical field specifically is an underworkings country rock protective frame.

Background

Most coal mine tunnels generally adopt blasting tunneling and mechanized tunneling, mechanical tunneling becomes the main direction of development along with the continuous improvement of the performance of tunneling mechanical equipment, but more than 40% of casualties in coal mine tunneling production operation are roof accidents in the working face supporting process, the tunneling and supporting always affect each other because the tunneling space is limited and the empty roof operation is not allowed, and in the mine tunnels in the prior art, because the supporting is not in place, the rock stratum at the top of the tunnel is likely to be broken, broken stones fall off after the breakage, and the problem that workers in the tunnel are likely to be injured by smashing is likely to occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a protective frame for surrounding rock of an underground roadway, which is formed by a supporting column and a protective ceiling, wherein the inside of the strut is movably arranged on a torsion bolt shaft through a connector, and under the action of the torsion bolt shaft, the actual supporting angle between the connector and the torsion bolt shaft can be adjusted according to the actual shape in the roadway, thereby adapting to most installation requirements, the buffer rods and the buffer springs arranged in the upright posts effectively buffer the impact force caused by the impact of the crushed stones on the protective frame, the safety air cushion arranged at the top end of the protective ceiling can reduce the impact force received by the protective frame parts, thereby prolonging the service life of each part, the lap joint of butt strap and lower butt strap is gone up to this protection ceiling accessible to accomplish the integral erection of tunnel protection frame, effectively improve staff's in the tunnel factor of safety, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an underworkings country rock protection frame, includes pillar and protection ceiling, the upside installation protection ceiling of pillar.

The support comprises a base, side vertical plates, a torsion bolt shaft, a connector, a connecting rod, a buffer spring, a movable rod, a movable groove, a limiting block, a locking bolt, a ceiling mounting rod, a bolt groove, an inner slide way and a limiting plate, wherein the side vertical plates are arranged on the upper side of the base, the torsion bolt shaft is arranged between the side vertical plates, the connector is arranged on the torsion bolt shaft, the connecting rod is arranged on the upper side of the connector, the buffer rod is arranged on the upper side of the connecting rod, the buffer spring is arranged on the outer side of the buffer rod, the limiting block is arranged at the top end of the buffer rod, the movable rods are arranged on the upper sides of the buffer rod and the buffer spring, the movable groove is arranged at the bottom of the movable rod, the locking bolt is arranged outside the movable groove, the ceiling mounting rod is arranged on the upper side of the movable rod, the, and a limiting plate is arranged at the bottom of the inner slide way.

The protection ceiling includes bottom plate, fixed plate, safety air cushion, fixing bolt, construction bolt, goes up the attachment strap, installation stand, embedded slider and construction bolt hole down, the upside of bottom plate is equipped with the fixed plate, the four corners department installation fixing bolt of fixed plate, the upside center department of fixed plate is equipped with the safety air cushion, the four corners department of bottom plate is equipped with the construction bolt hole, be equipped with construction bolt in the construction bolt hole, the front end of bottom plate is equipped with down the attachment strap, the rear end of bottom plate is equipped with the attachment strap, the bottom four corners department of bottom plate is equipped with the construction stand, the outside of construction stand is equipped with embedded slider.

Preferably, a plurality of locking notches are arranged on two sides of the buffer rod.

Preferably, the embedded sliding block is installed in the inner slide way in a clamping and embedding manner.

Preferably, the buffer rod and the limiting block are embedded in the movable groove in a clamping manner.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model relates to a protective frame for the surrounding rock of an underground roadway, which is composed of a supporting column and a protective ceiling, wherein the inside of the supporting column is movably arranged on a torsion bolt shaft through a connecting head, through the action of the torsion bolt shaft, the actual supporting angle between the connector and the torsion bolt shaft can be adjusted according to the actual shape in the roadway, thereby adapting to most installation requirements, the buffer rods and the buffer springs arranged in the upright posts effectively buffer the impact force caused by the impact of the crushed stones on the protective frame, the safety air cushion arranged at the top end of the protective ceiling can reduce the impact force received by the protective frame parts, thereby prolonging the service life of each part, this upper attachment strap and lower attachment strap overlap joint of protection ceiling accessible to accomplish the integral erection of tunnel protection frame, the utility model discloses it is complete reasonable in structure, be applicable to the tunnel installation condition of the different conditions, and effectively improve staff's in the tunnel factor of safety.

Drawings

Fig. 1 is a schematic front structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the support of the present invention;

fig. 3 is a schematic top view of the protective ceiling of the present invention;

fig. 4 is a schematic view of the bottom structure of the protective ceiling of the present invention.

In the figure: 1. a pillar; 101. a base; 102. a side vertical plate; 103. twisting the bolt shaft; 104. a connector; 105. a connecting rod; 106. a buffer rod; 107. a buffer spring; 108. a movable rod; 109. a movable groove; 1010. a limiting block; 1011. a locking bolt; 1012. a ceiling mounting bar; 1013. a bolt slot; 1014. an inner slide way; 1015. a limiting plate; 2. a protective ceiling; 21. a base plate; 22. a fixing plate; 23. a safety air cushion; 24. fixing the bolt; 25. installing a bolt; 26. an upper lapping plate; 27. a lower butt strap; 28. mounting the upright post; 29. a sliding block is embedded; 210. and installing bolt holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the underground roadway surrounding rock protection frame comprises a support column 1 and a protection ceiling 2, wherein the protection ceiling 2 is arranged on the upper side of the support column 1.

Referring to fig. 2, the pillar 1 includes a base 101, side standing plates 102, a torsion bolt shaft 103, a connector 104, a connecting rod 105, a buffer rod 106, a buffer spring 107, a movable rod 108, a movable groove 109, a stopper 1010, a locking bolt 1011, a ceiling mounting rod 1012, a bolt groove 1013, an inner slide 1014 and a limit plate 1015, the side standing plates 102 are disposed on the upper side of the base 101, the torsion bolt shaft 103 is mounted between the side standing plates 102, the connector 104 is mounted on the torsion bolt shaft 103, the connecting rod 105 is mounted on the upper side of the connector 104, the buffer rod 106 is disposed on the upper side of the connecting rod 105, a plurality of locking notches are disposed on both sides of the buffer rod 106, the buffer spring 107 is disposed on the outer side of the buffer rod 106, the stopper 1010 is disposed on the top end of the buffer rod 106, the buffer rod 106 and the stopper 1010 are embedded in the movable groove 109, the movable rod 108 is disposed on the, locking bolts 1011 are mounted outside the movable grooves 109, ceiling mounting rods 1012 are arranged on the upper sides of the movable rods 108, bolt grooves 1013 are formed in the tops of the ceiling mounting rods 1012, inner slideways 1014 are arranged on the inner sides of the ceiling mounting rods 1012, and limiting plates 1015 are arranged at the bottoms of the inner slideways 1014.

Referring to fig. 3-4, the protective ceiling 2 includes a bottom plate 21, a fixing plate 22, a safety cushion 23, a fixing bolt 24, a mounting bolt 25, an upper attachment plate 26, a lower attachment plate 27, a mounting upright 28, an embedded slider 29 and a mounting bolt hole 210, the fixing plate 22 is disposed on the upper side of the bottom plate 21, the fixing bolt 24 is mounted at four corners of the fixing plate 22, the safety cushion 23 is disposed at the center of the upper side of the fixing plate 22, the mounting bolt hole 210 is disposed at four corners of the bottom plate 21, the mounting bolt 25 is disposed in the mounting bolt hole 210, the lower attachment plate 27 is disposed at the front end of the bottom plate 21, the upper attachment plate 26 is disposed at the rear end of the bottom plate 21, the mounting upright 28 is disposed at four corners of the bottom plate 21, the embedded slider 29 is disposed.

The utility model discloses difference with prior art: in the mine tunnel of the prior art, because the support is not in place, the rock stratum at the top of the tunnel can be fractured, broken stones can fall down after the fracture, and the problem that workers in the tunnel can be injured by crashing can occur, the utility model discloses a protective frame for underground tunnel surrounding rock utilizes a pillar 1 and a protective ceiling 2 to form the protective frame, wherein the pillar 1 is movably arranged on a torsion bolt shaft 103 through a connector 104, the actual supporting angle of the connector 104 and the torsion bolt shaft 103 can be adjusted according to the actual shape in the tunnel through the action of the torsion bolt shaft 103, so as to adapt to most installation requirements, the buffer rod 106 and the buffer spring 107 arranged in the pillar 1 can effectively buffer the impact force caused by the broken stones impacting the protective frame, the safety air cushion 23 arranged at the top end of the protective ceiling 2 can reduce the impact force on the protective frame part, thereby prolonging the service life of each part, this protection ceiling 2 accessible is gone up

access board

26 and 27 overlap joints of lower access board to accomplish the integral erection of tunnel protection frame, effectively improve staff's in the tunnel factor of safety.

In summary, the following steps: the utility model discloses an underground roadway surrounding rock protection frame utilizes pillar 1 and protection ceiling 2 to constitute the protection frame, wherein in the pillar 1 through connector 104 movable mounting on torsion bolt axle 103, through the effect of torsion bolt axle 103, can be according to the actual shape in the tunnel, the actual support angle of adjustment connector 104 and torsion bolt axle 103, thereby adapt to most installation demands, buffer rod 106 and buffer spring 107 that set up in the pillar 1 effectively cushion the impact force that the rubble impacted the protection frame and cause, the safety air cushion 23 that the top of protection ceiling 2 was equipped with can reduce the impact force that the protection frame part received, thereby improve the life of each part, this protection ceiling 2 can pass through upper attachment strap 26 and lower attachment strap 27 overlap joint, thereby accomplish the whole installation of protection roadway frame, the utility model discloses the structure is complete reasonable, be applicable to the tunnel installation condition of different situations, and effectively improve staff's factor of safety in the tunnel.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an underworkings country rock protection frame, includes pillar (1) and protection ceiling (2), its characterized in that: a protective ceiling (2) is arranged on the upper side of the strut (1);

the strut (1) comprises a base (101), side vertical plates (102), a torsion bolt shaft (103), a connecting head (104), a connecting rod (105), a buffer rod (106), a buffer spring (107), a movable rod (108), a movable groove (109), a limiting block (1010), a locking bolt (1011), a ceiling mounting rod (1012), a bolt groove (1013), an inner slideway (1014) and a limiting plate (1015), wherein the side vertical plates (102) are arranged on the upper side of the base (101), the torsion bolt shaft (103) is arranged between the side vertical plates (102), the connecting head (104) is arranged on the torsion bolt shaft (103), the connecting rod (105) is arranged on the upper side of the connecting head (104), the buffer rod (106) is arranged on the upper side of the connecting rod (105), the buffer spring (107) is arranged on the outer side of the buffer rod (106), the limiting block (1010) is arranged at the top end of the, the upper sides of the buffer rod (106) and the buffer spring (107) are provided with movable rods (108), the bottom of each movable rod (108) is provided with a movable groove (109), a locking bolt (1011) is installed outside each movable groove (109), the upper side of each movable rod (108) is provided with a ceiling installation rod (1012), the top of each ceiling installation rod (1012) is provided with a bolt groove (1013), the inner side of each ceiling installation rod (1012) is provided with an inner slide way (1014), and the bottom of each inner slide way (1014) is provided with a limiting plate (1015);

the protective ceiling (2) comprises a bottom plate (21), a fixing plate (22), a safety air cushion (23), a fixing bolt (24), a mounting bolt (25), an upper butt strap (26), a lower butt strap (27), a mounting upright post (28), an embedded sliding block (29) and a mounting bolt hole (210), a fixing plate (22) is arranged on the upper side of the bottom plate (21), fixing bolts (24) are installed at the four corners of the fixing plate (22), the center of the upper side of the fixing plate (22) is provided with a safety air cushion (23), four corners of the bottom plate (21) are provided with mounting bolt holes (210), a mounting bolt (25) is arranged in the mounting bolt hole (210), a lower lapping plate (27) is arranged at the front end of the bottom plate (21), the rear end of bottom plate (21) is equipped with attachment strap (26), the bottom four corners department of bottom plate (21) is equipped with installation stand (28), the outside of installation stand (28) is equipped with embedded slider (29).

2. The underground roadway surrounding rock protection frame according to claim 1, wherein: and a plurality of locking notches are arranged on two sides of the buffer rod (106).

3. The underground roadway surrounding rock protection frame according to claim 1, wherein: the embedded sliding block (29) is installed in the inner slide way (1014) in a clamping and embedding manner.

4. The underground roadway surrounding rock protection frame according to claim 1, wherein: the buffer rod (106) and the limiting block (1010) are clamped and embedded in the movable groove (109).