CN108952782A - A kind of top beam formula constant-resistance structure - Google Patents
A kind of top beam formula constant-resistance structure Download PDFInfo
- Publication number
- CN108952782A CN108952782A CN201810816705.9A CN201810816705A CN108952782A CN 108952782 A CN108952782 A CN 108952782A CN 201810816705 A CN201810816705 A CN 201810816705A CN 108952782 A CN108952782 A CN 108952782A
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- Prior art keywords
- square steel
- face
- broken
- carrier block
- carrying
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/008—Anchoring or tensioning means
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Connection Of Plates (AREA)
Abstract
The present invention relates to a kind of top beam formula constant-resistance structures, including carrying square steel, fracture pipe, breaks and cut rigging, clamp clip and pressure-bearing spring, carrying square steel front end face sets pallet, open-work on pallet, in carrying square steel, fracture pipe front end face is connected with each other fracture pipe by pressure-bearing spring and pallet, fracture pipe end and broken rigging of cutting are connected with each other, it breaks and cuts rigging front end in fracture pipe, and be slidably connected with fracture pipe internal surface, broken rigging of cutting includes carrier block, breaks and cut platform and location hole.The equipment such as one aspect of the present invention can be effectively anchor cable, drill rod provide constant friction detent force, it on the other hand can be when applied external force increases, under the premise of not changing friction detenting force, effective realize is adjusted the equipment such as anchor cable and drill rod position location with external force variation adjustment, to reach while meeting stationkeeping ability and stablizing, avoid because external force it is excessive caused by caused by the equipment such as anchor cable, drill rod structural damage happen.
Description
Technical field
The present invention relates to a kind of top beam formula constant-resistance structures, belong to Anchor Cable Technique field.
Background technique
Roadway with large deformation support issues are all one of the bottleneck for restricting coal mine and efficiently producing all the time, are traced it to its cause main
It is that for traditional cable bolting, since anchor cable elongation percentage is insufficient, cannot actively allow pressure since roadway deformation amount is big, pass through
The destruction of the forms such as cable body fracture, fastening invalidation often occurs, so as to cause the failure of support system, coal mine technical staff is normal at present
Improve supporting effect using supporting intensity and density is increased, this method does not effectively improve supporting effect not only, instead
The cost of roadway support is seriously increased, or even a possibility that certain locations can increase fall of ground, therefore how to realize anchor
The constant-resistance of rope supporting allows pressure, is a research hotspot problem in current roadway support field.For above-mentioned cable bolting system
Shortcoming, there is an urgent need to develop a kind of completely new anchor cable positioning devices, to meet the needs of actual use.
Summary of the invention
The object of the invention, which is that, overcomes above-mentioned deficiency, provides a kind of top beam formula constant-resistance structure, the inventive structure is simple, makes
With flexible and convenient, carrying stationkeeping ability is strong, can be effectively on the one hand anchor cable, the equipment such as drill rod provide constant friction and position
Power, on the other hand can be effective to realize with outer under the premise of not changing friction detenting force when applied external force increases
Power variation adjustment is adjusted the equipment such as anchor cable and drill rod position location, is meeting stable same of stationkeeping ability to reach
When, avoid because external force it is excessive caused by caused by the equipment such as anchor cable, drill rod structural damage happen.
To achieve the above object, the present invention is to be achieved through the following technical solutions:
A kind of top beam formula constant-resistance structure, including carrying square steel, fracture manage, break and cut rigging, clamp clip and pressure-bearing spring, carry
Square steel and fracture pipe are the tubular structure that cross section is in rectangle, are slided wherein carrying each side surface of square steel is all provided at least one guiding
Rail, and directive slide track and loading side steel shaft line parallelly distribute on, carrying square steel front end face set pallet, open-work on pallet, and pass through saturating
Hole and carrying square steel are interconnected, and fracture pipe is mutually coaxially distributed in carrying square steel, and with carrying square steel and open-work, are broken
Pipe front end face is connected with each other by pressure-bearing spring and pallet, and fracture pipe side wall is mutually slidably connected with carrying square steel inner surface, is broken
Disconnected pipe end is connected with each other beyond 1-10 centimetres of square steel rear end face of carrying and with broken rigging of cutting, and broken rigging front end of cutting is embedded in fracture
It in pipe, and is slidably connected with fracture pipe internal surface, broken rigging of cutting includes carrier block, breaks and cut platform and location hole, and wherein carrier block is horizontal
Rectangular cross-section structure sets location hole on carrier block, and location hole is interconnected with carrier block front end face and rear end face respectively, and with
Mutually coaxial distribution is managed in fracture, sets at least two clamp clips at location hole rear end face, and step up piece and be evenly distributed with around pilot hole axes,
And step up 1/6-1/3 part of leaf length embedded in positioning hole, it is broken cut platform be located at carrier block side surface and with the carrying where it
Block side surface is coaxially distributed, broken to cut platform along pilot hole axes directional spreding and concordant with carrier block front end face and rear end face respectively divide
Cloth, broken platform upper surface and the carrier block side surface where it of cutting broken cut platform front end face and are higher by carrier block in 15 ° -45 ° angles
1-2 millimeters of side surface, rear end face are higher by 5-30 millimeters of carrier block side surface, broken to cut on carrying square steel side surface corresponding to platform
If deformation slot, deformation slot cross section is rectangular configuration and is coaxially distributed with carrying square steel side surface where it that deformation groove area is
10%-the 50% of carrying square steel side surface area where it.
Further, it is mutually slidably connected between the carrying square steel and fracture pipe by sliding slot, and the sliding slot is extremely
Few two, it is uniformly distributed around loading side steel shaft line and with loading side steel shaft line parallelly distribute on.
Further, the pallet includes loading plate, sealing block and connecting hole, wherein the sealing block and loading plate
Be an integral structure, and cross section be in " convex " font structure, the sealing block embedded in carrying square steel in, the loading plate with
Carrying square steel front end face offsets, and the connecting hole at least two is evenly arranged on loading plate around loading side steel shaft line.
Further, the pressure-bearing spring is any one in helical spring and disk spring.
Further, uniformly distributed at least two positioning pins on the directive slide track, positioning pin and loading side steel shaft line are mutual
Vertical distribution.
Further, the carrier block and location hole axial cross section are isosceles trapezoidal structure, and its front end face area
It is 50%-the 90% of rear end face area.
The configuration of the present invention is simple, flexible and convenient to use, on the one hand it can effectively be anchor cable, drill rod that carrying stationkeeping ability is strong
Etc. equipment constant friction detent force is provided, on the other hand can applied external force increase when, not change friction positioning action
Under the premise of power, effective realize is adjusted the equipment such as anchor cable and drill rod position location with external force variation adjustment, to reach
To while meeting stationkeeping ability and stablizing, avoid because external force it is excessive caused by structural damage caused by the equipment such as anchor cable, drill rod
It happens.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is carrying square steel structure schematic diagram；
Fig. 3 is to break to cut rigging structure schematic diagram；
Fig. 4 is tray structure diagram.
Specific embodiment
As shown in Fig. 1-4, a kind of top beam formula constant-resistance structure, including carry square steel 1, fracture pipe 2, break and cut rigging 3, clamp
Piece 4 and pressure-bearing spring 5, carrying square steel 1 and the pipe 2 that is broken are the tubular structure that cross section is in rectangle, wherein the carrying each side of square steel 1
Surface is all provided at least one directive slide track 6, and directive slide track 6 and carrying 1 axis parallelly distribute on of square steel, carries 1 front end face of square steel
If pallet 7, open-work 8 on pallet 7, and be interconnected by open-work 8 and carrying square steel 1, pipe 2 is broken in carrying square steel 1, and
With carrying square steel 1 and the mutually coaxial distribution of open-work 2, fracture 2 front end face of pipe is connected with each other by pressure-bearing spring 5 and pallet 7, fracture
2 side wall of pipe is mutually slidably connected with carrying 1 inner surface of square steel, and fracture 2 end of pipe is beyond 1-10 centimetres of 1 rear end face of square steel of carrying
And be connected with each other with broken rigging 3 of cutting, broken 3 front end of rigging of cutting is slidably connected in fracture pipe 2, and with fracture 2 inner surface of pipe.
In the present embodiment, the broken rigging 3 of cutting includes carrier block 31, breaks and cut platform 32 and location hole 33, wherein carrier block
31 cross sections are rectangular configuration, set location hole 33 on carrier block 31, location hole 33 respectively with 31 front end face of carrier block and rear end face
Be interconnected, and with the mutually coaxial distribution of fracture pipe 2, set at least two clamp clips 4 at 33 rear end face of location hole, and step up piece 4
It is uniformly distributed around 33 axis of location hole, and step up 1/6-1/3 part of 4 length of piece in location hole 33, it is broken cut platform 32 and be located at hold
It carries 31 side surface of block and is coaxially distributed with 31 side surface of carrier block where it, broken platform 32 of cutting is distributed along 33 axis direction of location hole
It is broken to cut 32 upper surface of platform and 31 side surface of carrier block where it and respectively with 31 front end face of carrier block and rear end face is concordant is distributed
In 15 °-45 ° angles, and it is broken cut 32 front end face of platform and be higher by 1-2 millimeters of 31 side surface of carrier block, rear end face is higher by carrier block 31
5-30 millimeters of side surface, broken to cut the change slot 11 of 1 side surface upper mounted of carrying square steel corresponding to platform 32,11 cross section of deformation slot is
Rectangular configuration is simultaneously coaxially distributed with carrying 1 side surface of square steel where it, and 11 area of deformation slot is carrying 1 side surface of square steel where it
10%-the 50% of area.
In the present embodiment, mutually it is slidably connected between the carrying square steel 1 and fracture pipe 2 by sliding slot 9, and the cunning
Slot 9 at least two, it is uniformly distributed around carrying 1 axis of square steel and with carrying 1 axis parallelly distribute on of square steel, the pallet 7 includes holding
Support plate 71, sealing block 72 and connecting hole 73, wherein the sealing block 72 is an integral structure with loading plate 71, and cross section is in
" convex " font structure, the sealing block 72 is in carrying square steel 1, the loading plate 71 and carrying 1 front end face phase of square steel
It supports, the connecting hole 73 at least two, is evenly arranged on loading plate 71 around carrying 1 axis of square steel.
In the present embodiment, the pressure-bearing spring 5 is any one in helical spring and disk spring, the guiding
Uniformly distributed at least two positioning pins 10, positioning pin 10 are mutually perpendicular to be distributed with carrying 1 axis of square steel on sliding rail 6.
In addition, the carrier block 31 and 33 axial cross section of location hole is isosceles trapezoidal structure, and its front end face area
It is 50%-the 90% of rear end face area.
The present invention in the specific implementation, completes carrying square steel first, fracture pipe, breaks and cut rigging and pressure-bearing spring assembling, so
Afterwards by fracture pipe, it is broken cut rigging anchor cable end coated jointly, and it is solid in wall by pallet will to carry square steel, so
Pulling force is applied to anchor cable by ancillary equipment afterwards, by anchor cable pair and anchor cable are connected and connect with tunnel side supporting construction into
Row adjustment positioning, and clamp clip to be coated on outside anchor cable after pressure reaches setting value between supporting construction and tunnel side wall
And it is embedded in positioning hole, to realize to anchor cable positioning operation, cause when because of wall, deformation occurs etc. to supporting construction and anchor
When rope active force increases, breaks and cut rigging and clamp clip in the anchor cable friction constant situation of detent force, cut rigging edge fracture pipe by broken
It is run on axis direction, and fracture pipe is carried out squeezing tearing effect under external force by the broken broken platform of cutting for cutting rigging, from
And reach in the case where not changing to anchor cable detenting force, change the purpose of adjustment anchor cable position location according to external force, prevents
Only because external force is excessive, and anchor cable and supporting mechanism is caused to be broken phenomena such as.
The configuration of the present invention is simple, flexible and convenient to use, on the one hand it can effectively be anchor cable, drill rod that carrying stationkeeping ability is strong
Etc. equipment constant friction detent force is provided, on the other hand can applied external force increase when, not change friction positioning action
Under the premise of power, effective realize is adjusted the equipment such as anchor cable and drill rod position location with external force variation adjustment, to reach
To while meeting stationkeeping ability and stablizing, avoid because external force it is excessive caused by structural damage caused by the equipment such as anchor cable, drill rod
It happens.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of top beam formula constant-resistance structure, which is characterized in that the top beam formula constant-resistance structure include carrying square steel, fracture pipe,
Broken to cut rigging, clamp clip and pressure-bearing spring, the carrying square steel and fracture pipe are the tubular structure that cross section is in rectangle,
Described in each side surface of carrying square steel be all provided at least one directive slide track, and directive slide track is parallel with loading side steel shaft line divides
Cloth, the carrying square steel front end face sets pallet, open-work on the pallet, and is interconnected by open-work and carrying square steel,
The fracture pipe is mutually coaxially distributed in carrying square steel, and with carrying square steel and open-work, the fracture pipe front end face
It is connected with each other by pressure-bearing spring and pallet, fracture pipe side wall is mutually slidably connected with carrying square steel inner surface, and be broken pipe end
It is connected with each other beyond 1-10 centimetres of square steel rear end face of carrying and with broken rigging of cutting, the broken rigging front end of cutting is embedded in fracture pipe
It is interior, and be slidably connected with fracture pipe internal surface, the broken rigging of cutting includes carrier block, breaks and cut platform and location hole, wherein described
Carrier block cross section be rectangular configuration, set location hole on the carrier block, the location hole respectively with carrier block front end
Face and rear end face are interconnected, and manage mutually coaxial distribution with fracture, set at least two clampings at the location hole rear end face
Piece, and the piece that steps up is evenly distributed with around pilot hole axes, and steps up 1/6-1/3 part of leaf length embedded in positioning hole, institute
The broken platform of cutting stated is located at carrier block side surface and is coaxially distributed with the carrier block side surface where it, and the broken platform of cutting is along positioning
Axially bored line directional spreding and it is concordant with carrier block front end face and rear end face respectively be distributed, it is described it is broken cut platform upper surface and its where
Carrier block side surface be in 15 °-45 ° angles, and broken platform front end face of cutting is higher by 1-2 millimeters of carrier block side surface, and rear end face is high
5-30 millimeters of carrier block side surface out, it is described broken to cut carrying square steel side surface upper mounted corresponding to platform and become slot, the deformation
Slot cross section is rectangular configuration and is coaxially distributed with carrying square steel side surface where it that deformation groove area is that its place is held
Carry 10%-the 50% of square steel side surface area.
2. a kind of top beam formula constant-resistance structure according to claim 1, it is characterised in that: the carrying square steel and fracture pipe
Between be mutually slidably connected by sliding slot, and the sliding slot at least two, it is uniformly distributed around loading side steel shaft line and with carrying square steel
Axis parallelly distribute on.
3. a kind of top beam formula constant-resistance structure according to claim 1, it is characterised in that: the pallet include loading plate,
Sealing block and connecting hole, wherein the sealing block is an integral structure with loading plate, and cross section is in " convex " font structure, institute
The sealing block stated is in carrying square steel, and the loading plate offsets with carrying square steel front end face, the connecting hole at least two
It is a, it is evenly arranged on loading plate around loading side steel shaft line.
4. a kind of top beam formula constant-resistance structure according to claim 1, it is characterised in that: the pressure-bearing spring is spiral bullet
Any one in spring and disk spring.
5. a kind of top beam formula constant-resistance structure according to claim 1, it is characterised in that: be evenly distributed with extremely on the directive slide track
Few two positioning pins, positioning pin are mutually perpendicular to be distributed with loading side steel shaft line.
6. a kind of top beam formula constant-resistance structure according to claim 1, it is characterised in that: the carrier block and positioning hole axle
It is isosceles trapezoidal structure to section, and its front end face area is 50%-the 90% of rear end face area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810816705.9A CN108952782A (en) | 2018-07-24 | 2018-07-24 | A kind of top beam formula constant-resistance structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810816705.9A CN108952782A (en) | 2018-07-24 | 2018-07-24 | A kind of top beam formula constant-resistance structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108952782A true CN108952782A (en) | 2018-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810816705.9A Withdrawn CN108952782A (en) | 2018-07-24 | 2018-07-24 | A kind of top beam formula constant-resistance structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN108952782A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075853A (en) * | 2022-07-01 | 2022-09-20 | 同济大学 | Take prestressing force to increase in grades and hinder and let pressure stock |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207686741U (en) * | 2017-11-21 | 2018-08-03 | 焦作大学 | A kind of top beam formula constant-resistance structure |
-
2018
- 2018-07-24 CN CN201810816705.9A patent/CN108952782A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207686741U (en) * | 2017-11-21 | 2018-08-03 | 焦作大学 | A kind of top beam formula constant-resistance structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075853A (en) * | 2022-07-01 | 2022-09-20 | 同济大学 | Take prestressing force to increase in grades and hinder and let pressure stock |
| CN115075853B (en) * | 2022-07-01 | 2023-09-15 | 同济大学 | Grading resistance-increasing yielding anchor rod with prestress |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181207 |
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| WW01 | Invention patent application withdrawn after publication |