CN208502810U - A kind of tensioning device dedicated for three-dimensional anchor cable supporting - Google Patents
A kind of tensioning device dedicated for three-dimensional anchor cable supporting Download PDFInfo
- Publication number
- CN208502810U CN208502810U CN201820942482.6U CN201820942482U CN208502810U CN 208502810 U CN208502810 U CN 208502810U CN 201820942482 U CN201820942482 U CN 201820942482U CN 208502810 U CN208502810 U CN 208502810U
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- CN
- China
- Prior art keywords
- stretch board
- cylinder
- piston
- piston rod
- piston oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of tensioning device dedicated for three-dimensional anchor cable supporting, including a piston oil-cylinder and left stretch board and right stretch board that piston oil-cylinder two sides are arranged in, the side middle position of the left stretch board towards piston oil-cylinder is provided with locating slot, left stretch board side is provided with the location hole being connected to locating slot, and the bottom of the piston oil-cylinder is fixedly connected with the positioning column that can be embedded in locating slot；The piston rod outer end of the piston oil-cylinder, which is detachably fixed, is connected with the mounting plate vertical with piston rod, the side of mounting plate back to piston oil-cylinder is fixedly connected with two connecting columns parallel to each other, connecting column is parallel with piston rod, two connecting columns are located at the two sides of piston rod and two connecting columns and piston rod are equidistant, and two connecting columns are detachably fixed with the right stretch board connect respectively；The junction of the piston rod of the utility model and right stretch board has preferable structural stability and structural strength, and detachable carrying easy to remove between each component.
Description
Technical field
The utility model relates to 3-D anchorage cable supporting tensioning equipments, and in particular to a kind of 3-D anchorage cable supporting Special tension dress
It sets.
Background technique
With the increasing of coal mining depth, crustal stress is also increasing, and the support issues of deep high stress tunnel become coal
One of the key technology of charcoal resource exploitation.Anchor beam rete cord combined supporting mode is mostly used at this stage, and stream line is strengthening supporting
Key point, and anchor cable needs mostly when in use using tensioning equipment, the three-dimensional anchor of existing Publication No. CN2825953Y
Rope supporting special tensioner, the apparatus structure is compact, easy to use, and energy double-way opposed-pulling meets 3-D anchorage cable supporting minor diameter
3-D anchorage cable supporting, but the right stretch board of the device is only connect with position at the piston rod outer end one of piston oil-cylinder, is made
If being damaged with right stretch board unbalance stress, the junction that may result in right stretch board and piston rod in the process, make the right side
Stretch board shifts, and is difficult to keep parallel with left stretch board so as to cause right stretch board, and then influences the supporting effect of the device
Fruit, at the same it is non-dismountable between the piston oil-cylinder of the device and left stretch board, right stretch board, it moves, carried all when not in use
Seem inconvenient.
Summary of the invention
The utility model is only connect with position at the piston rod outer end one of piston oil-cylinder for right stretch board in the prior art
Cause connection structure unstable and piston oil-cylinder and left stretch board, right stretch board between non-dismountable drawback, one kind is provided
Tensioning device dedicated for three-dimensional anchor cable supporting, the device are fixedly connected with mounting plate, mounting plate in the piston rod outer end of piston oil-cylinder
On be fixedly connected with two connecting columns, two connecting columns are connect with right stretch board respectively, make to have between piston rod and right stretch board
There are two junctions, and right stretch board can be made to keep balancing, the structural stability of lift piston rod and right stretch board junction, simultaneously
To be detachably fixed connection between piston oil-cylinder and left stretch board, right stretch board, carrying easy to remove after each component is split.
The goal of the invention of the utility model is achieved through the following technical solutions: a kind of 3-D anchorage cable supporting Special tension
Device, including a piston oil-cylinder and left stretch board and right stretch board that piston oil-cylinder two sides are arranged in, left stretch board and right tensioning
Plate is parallel to each other, and the side middle position of the left stretch board towards piston oil-cylinder is provided with locating slot, and left stretch board side is provided with
The location hole being connected to locating slot, the bottom of the piston oil-cylinder are fixedly connected with the positioning column that can be embedded in locating slot, positioning
Column side is provided with screw hole, and the location hole is aligned with screw hole when in positioning column insertion locating slot, and the left stretch board is equipped with
The bolt being spirally connected across location hole and screw hole；The piston rod outer end of the piston oil-cylinder is detachably fixed to be connected with hangs down with piston rod
Straight mounting plate, the side of mounting plate back to piston oil-cylinder are fixedly connected with two connecting columns parallel to each other, connecting column and work
Stopper rod is parallel, and two connecting columns are located at the two sides of piston rod and two connecting columns and piston rod are equidistant, two institutes
It states connecting column and is detachably fixed respectively with the right stretch board and is connect；Placement steel is equipped on the left stretch board and right stretch board
The U-lag of twisted wire and apply to the prestressed bellmouth of steel strand, the taper on U-lag and right stretch board on left stretch board
Hole is opposite, and the bellmouth on left stretch board is opposite with the U-lag on right stretch board.
Preferably, the middle position of the mounting plate is provided with first through hole, the piston rod outer end of the piston oil-cylinder is worn
It crosses first through hole and is bolted with the first nut for fixed mounting plate, the first nut is between mounting plate and right stretch board.
Preferably, opened on the right stretch board there are two the second through-hole, two connecting columns are each passed through two the
Two through-holes are simultaneously bolted with the second nut for fixing right stretch board.
Prevent steel strand wires from jumping sliding stop screw preferably, the U shape slot notch is equipped with.
Preferably, being equipped with the conic clamp with its fixed steel strand wires that match in the bellmouth.
The hexagonal structure preferably, cross section of the locating slot is positive, the cross section of the positioning column are also positive six
Side shape structure.
Compared with prior art, the utility model has the following beneficial effects: the utility model piston oil-cylinder piston
Bar outer end is fixedly connected with mounting plate, is fixedly connected with two connecting columns on mounting plate, two connecting columns respectively with right stretch board
Connection makes to have between piston rod and right stretch board there are two junction, right stretch board can be made to keep balance, lift piston rod and the right side
The structural stability and structural strength of stretch board junction, while being between piston oil-cylinder and left stretch board, right stretch board can
Disassembly is fixedly connected, carrying easy to remove after each component is split.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is piston oil-cylinder structural schematic diagram；
Fig. 3 is left stretch board right view；
Fig. 4 is the utility model right view；
Marked in the figure: 1, piston oil-cylinder, 2, left stretch board, 3, right stretch board, 4, locating slot, 5, location hole, 6, positioning column,
7, screw hole, 8, bolt, 9, mounting plate, 10, connecting column, 11, U-lag, 12, bellmouth, 13, first through hole, the 14, first nut,
15, the second through-hole, the 16, second nut, 17, stop screw, 18, conic clamp, 19, piston rod, 20, steel strand wires.
Specific embodiment
Represented embodiment is further described the utility model with reference to the accompanying drawing:
Embodiment 1
As shown in Figs 1-4, a kind of tensioning device dedicated for three-dimensional anchor cable supporting, including a piston oil-cylinder 1 and setting are in piston
The left stretch board 2 and right stretch board 3 of 1 two sides of oil cylinder, left stretch board 2 and right stretch board 3 are parallel to each other, left 2 court of stretch board
It is provided with cross section to the side middle position of piston oil-cylinder 1 to be positive the locating slot 4 of hexagonal structure, left 2 side of stretch board is provided with
The location hole 5 being connected to locating slot 4, the bottom of the piston oil-cylinder 1 are fixedly connected with the positioning column 6 that can be embedded in locating slot 4,
The cross section of positioning column 6 is also positive hexagonal structure, and 6 side of positioning column is provided with screw hole 7, when positioning column 6 is embedded in locating slot 4
The location hole 5 is aligned with screw hole 7, and the left stretch board 2 is equipped with the bolt 8 being spirally connected across location hole 5 and screw hole 7；It is described
19 outer end of piston rod of piston oil-cylinder 1, which is detachably fixed, is connected with the mounting plate 9 vertical with piston rod 19, the mounting plate 9
Middle position is provided with first through hole 13, and 19 outer end of piston rod of the piston oil-cylinder 1 passes through first through hole 13 and is bolted with and is used for
First nut 14 of fixed mounting plate 9, the first nut 14 is between mounting plate 9 and right stretch board 3.Mounting plate 9 is back to piston
The side of oil cylinder 1 is fixedly connected with two connecting columns 10 parallel to each other, and connecting column 10 is parallel with piston rod 19, two connecting columns
10 are located at the two sides of piston rod 19 and two connecting columns 10 and piston rod 19 are equidistant, and two connecting columns 10 divide
It is not detachably fixed and connect with the right stretch board 3, opened on the right stretch board 3 there are two the second through-hole 15, two companies
Column 10 is connect to be each passed through two the second through-holes 15 and be bolted with the second nut 16 for fixing right stretch board 3.
It is equipped with the U-lag 11 for placing steel strand wires 20 on the left stretch board 2 and right stretch board 3 and applies to steel strand
20 prestressed bellmouths 12, the bellmouth 12 on U-lag 11 and right stretch board 3 on left stretch board 2 is opposite, left stretch board 2
On bellmouth 12 and right stretch board 3 on U-lag 11 it is opposite.It is equipped with and its fixed steel strand wires that match in the bellmouth 12
20 conic clamp 18.
When the utility model is used, two head steel twist wires 20 are respectively put into U-lag 11, by adjusting stop screw 17
It can jump and slide to avoid steel strand wires 20, the steel strand wires 20 for then passing through lockset penetrate in the opposite bellmouth 12 in opposite, use taper
Card 18 is fixed by steel strand wires 20.Piston rod 19 stretches when piston oil-cylinder 1 works, and the right stretch board on piston rod 19 is arranged in
3 stretch therewith, to apply prestressing force compared with line to steel, are reversed two steel strand wires 20 in the outside of piston oil-cylinder 1 non-to the heart
Tensioning.
Specific embodiment described in text is only to give an example to the spirit of the present invention.Belonging to the utility model
Those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitutes, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (6)
1. a kind of tensioning device dedicated for three-dimensional anchor cable supporting, including a piston oil-cylinder (1) and the left sides of piston oil-cylinder two sides is set
Stretch board (2) and right stretch board (3), left stretch board and right stretch board are parallel to each other, which is characterized in that the left stretch board direction
The side middle position of piston oil-cylinder is provided with locating slot (4), and left stretch board side is provided with the location hole (5) being connected to locating slot,
The bottom of the piston oil-cylinder is fixedly connected with the positioning column (6) that can be embedded in locating slot, and positioning column side is provided with screw hole (7),
The location hole is aligned with screw hole when in positioning column insertion locating slot, and the left stretch board is equipped with across location hole and screw hole
The bolt (8) being spirally connected；Piston rod (19) outer end of the piston oil-cylinder, which is detachably fixed, is connected with the installation vertical with piston rod
Plate (9), the side of mounting plate back to piston oil-cylinder are fixedly connected with two connecting columns parallel to each other (10), connecting column and piston
Bar is parallel, and two connecting columns are located at the two sides of piston rod and two connecting columns and piston rod are equidistant, described in two
Connecting column is detachably fixed with the right stretch board connect respectively；It is equipped on the left stretch board and right stretch board and places steel strand
The U-lag (11) of line (20) and apply to the prestressed bellmouth of steel strand (12), U-lag and right tensioning on left stretch board
Bellmouth on plate is opposite, and the bellmouth on left stretch board is opposite with the U-lag on right stretch board.
2. a kind of tensioning device dedicated for three-dimensional anchor cable supporting according to claim 1, which is characterized in that the mounting plate
Middle position is provided with first through hole (13), and the piston rod outer end of the piston oil-cylinder passes through first through hole and is bolted with for fixing
The first nut (14) of mounting plate, the first nut is between mounting plate and right stretch board.
3. a kind of tensioning device dedicated for three-dimensional anchor cable supporting according to claim 2, which is characterized in that the right stretch board
On open there are two the second through-hole (15), two connecting columns are each passed through two the second through-holes and are bolted with for fixed right
The second nut (16) of pulling plate.
4. a kind of tensioning device dedicated for three-dimensional anchor cable supporting according to claim 1, which is characterized in that the U shape slot slot
Mouth, which is equipped with, prevents steel strand wires from jumping sliding stop screw (17).
5. a kind of tensioning device dedicated for three-dimensional anchor cable supporting according to claim 1, which is characterized in that the bellmouth
The interior conic clamp (18) being equipped with its fixed steel strand wires that match.
6. a kind of tensioning device dedicated for three-dimensional anchor cable supporting according to claim 1, which is characterized in that the locating slot
Cross section is positive hexagonal structure, and the cross section of the positioning column is also positive hexagonal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820942482.6U CN208502810U (en) | 2018-06-19 | 2018-06-19 | A kind of tensioning device dedicated for three-dimensional anchor cable supporting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820942482.6U CN208502810U (en) | 2018-06-19 | 2018-06-19 | A kind of tensioning device dedicated for three-dimensional anchor cable supporting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208502810U true CN208502810U (en) | 2019-02-15 |
Family
ID=65285437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820942482.6U Expired - Fee Related CN208502810U (en) | 2018-06-19 | 2018-06-19 | A kind of tensioning device dedicated for three-dimensional anchor cable supporting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208502810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397782A (en) * | 2020-03-25 | 2020-07-10 | 深圳市工勘岩土集团有限公司 | Stress estimation method for pre-stressed anchor cable |
-
2018
- 2018-06-19 CN CN201820942482.6U patent/CN208502810U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397782A (en) * | 2020-03-25 | 2020-07-10 | 深圳市工勘岩土集团有限公司 | Stress estimation method for pre-stressed anchor cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20190619 |