CN207760851U - A kind of structure for anchor cable circulation stretch-draw - Google Patents
A kind of structure for anchor cable circulation stretch-draw Download PDFInfo
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- CN207760851U CN207760851U CN201721870467.7U CN201721870467U CN207760851U CN 207760851 U CN207760851 U CN 207760851U CN 201721870467 U CN201721870467 U CN 201721870467U CN 207760851 U CN207760851 U CN 207760851U
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Abstract
A kind of structure for anchor cable circulation stretch-draw described in the utility model.A kind of structure for anchor cable circulation stretch-draw, including anchor cable and anchor beam, it is characterised in that：Further include the first anchor plate, locking anchorage, split heads, jack, the second anchor plate and the tension ground tackle that anchor cable sequentially passes through, first anchor plate is in close contact with anchor beam, the split heads be by multiple support columns and supporting surface board group at, multiple support columns of split heads and the first anchor plate are in close contact, its length is more than the length of locking anchorage, and the locking anchorage is placed in the space formed between multiple support columns of split heads；The jack is placed on the support panel of split heads, and the piston of the second anchor plate and jack touches；It is respectively arranged with tool clamping piece in locking anchorage and tension ground tackle.The utility model makes simply, conveniently, and economic, practical, disclosure satisfy that the requirement of anchor cable maximum finder charge, and smoothly complete the complete cyclic loading and unloading process of anchor cable fundamental test.
Description
Technical field
The utility model is related to geotechnical engineering fields, and in particular to a kind of structure for anchor cable circulation stretch-draw.
Background technology
In geotechnical engineering field, such as foundation pit and slope retaining, anchor cable is a kind of common supporting means.Anchor cable is by tension
One end (anchoring section) of rod piece is fixed in good ground, and the other end is linked with engineering structure, to bear due to soil pressure
Power, water pressure etc. are applied to the thrust of structures, thus using the anchor force on stratum to maintain the steady of structures (or rock-soil layer)
It is fixed.It, should all be into when any type New Anchor Cable or existing anchor cable kind are for not used stratum according to related specification requirement
Row fundamental test, to determine adhesion strength between anchoring body and ground bond strength between layers limit gauge value, the verification body of rod and mortar
Limit gauge value, anchor cable fundamental test should use cycle plus off-load method.
However large-scale side slope or foundation pit supporting project, especially bridge, dam etc. are needed to apply anchor cable prodigious
Prestressing force, often existing tensioning equipment (jack) stroke is inadequate for anchor cable fundamental test, and examination is not achieved in the stroke of single tensioning
Test required peak load；Although traditional method for stretching can utilize the superposition of jack stroke to reach anchor cable maximum experiment lotus
It carries, but due to locking lock anchor when anchorage is typically in locking or half lock-out state, i.e. anchorage cable stretching during circulation stretch-draw
The intermediate plate of tool can only be deformed with anchor cable to be occurred (position of limiting plate limitation intermediate plate can generally be arranged on locking anchorage compared with thin tail sheep
Move), loaded and tensioned stage by stage completes rear jaw due to frictional force that gravity and anchor cable retraction generate and to locking anchorage
Displacement, to clamp locking anchor cable again.When carrying out anchor cable load shedding, since locking anchorage and intermediate plate locate always anchor cable
In lock-out state, cause to be unable to complete successfully anchor cable load shedding process.And purchase the tensioning equipment (jack) of bigger stroke
It is not only costly, and general utilization is relatively low, be easy to cause the wasting of resources.
Invention content
The utility model is insufficient according to prior art to provide a kind of structure for anchor cable circulation stretch-draw, which can
Meet the requirement of anchor cable maximum finder charge, and smoothly complete the complete cyclic loading and unloading process of anchor cable fundamental test, makes
Simply, conveniently.
Technical solution provided by the utility model：A kind of structure for anchor cable circulation stretch-draw, including anchor cable and anchor
Beam, it is characterised in that：Further include the first anchor plate, locking anchorage, split heads, jack, the second anchor plate that anchor cable sequentially passes through
And tension ground tackle, first anchor plate and anchor beam are in close contact, the split heads be by multiple support columns and supporting surface board group at,
Multiple support columns of split heads and the first anchor plate are in close contact, and length is more than the length of locking anchorage, and the locking anchorage is set
In the space formed between multiple support columns of split heads；The jack is placed on the support panel of split heads, the second anchor plate
It is touched with the piston of jack；It is respectively arranged with tool clamping piece in locking anchorage and tension ground tackle.
The utility model preferably technical solution：In the first anchor plate, locking anchorage, the support panel of split heads, the second anchor
It is respectively arranged with that multiple diameters are identical and anchor cable hole in correspondence with each other, being directly more than for each anchor cable hole are single in backing plate and tension ground tackle
The diameter of root anchor cable.
The utility model preferably technical solution：The dial gauge that precision is 0.01m is equipped on tension ground tackle.
The utility model preferably technical solution：The support panel of the split heads is the side that area is more than jack floor space
Shape panel is respectively equipped with support column in four corners, and is respectively equipped in the both sides of every support column and fixes weldering with panel is supported
The reinforcement angle steel connect is equipped with lateral stiffener between two adjacent support columns.
The utility model preferably technical solution：The locking anchorage and tension ground tackle are cylindric.
The utility model preferably technical solution：The size and shape of first anchor plate and the second anchor plate is identical,
Its cross section is rectangle, respectively with anchor beam and the piston flat contact of jack.
The preferably technical solution of the utility model：Four support columns be identical size, the steel cylinder of length,
Evenly and symmetrically be set to four angle points of the panel, the bottom surface of each support column is smooth, and with anchor plate is seamless contacts.
The utility model preferably technical solution：The transverse direction stiffener has two, is symmetrically welded at left and right sides of split heads
On support column；The distance of the transverse direction stiffener distance support column end is more than the length of locking anchorage.
The utility model preferably technical solution：It is identical size that described eight, which are reinforced angle steel, is symmetrically welded in four branch
The root of dagger.
The utility model increases split heads device between anchor beam and jack, and using split heads device and locks anchorage
Gap, the tool clamping piece by locking anchorage can be moved freely with the displacement of anchor cable, can ensure that anchor cable cycle adds in this way
It carries and is not locked in stress-relief process；Artificial setting tool intermediate plate, makes anchorage lock anchor cable before anchor cable hierarchical loading or unloading,
To reach the requirement of anchor cable fundamental test peak load using the superposition of the stroke of jack by several times, and smoothly complete anchor cable base
The complete cyclic loading and unloading process of this experiment.
The utility model needs circulation stretch-draw and the inadequate feelings of the existing jack stroke that occurs for anchor cable fundamental test
Condition, although and traditional method for stretching can reach anchor cable maximum finder charge using the superposition of jack stroke and be unable to complete successfully
The process of anchor cable fundamental test load shedding, the tool clamping piece that anchorage is locked using the gap of split heads device and locking anchorage can be with
It the displacement of anchor cable and moves freely, locked using manual operation, make existing thousand using the superposition of the stroke of jack by several times
The load on jin top disclosure satisfy that the requirement of anchor cable maximum finder charge, and smoothly completes anchor cable fundamental test and completely recycle plus unload
Load process；Total is simple, easy to make, and economic, practical.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model circulation stretch-draw；
Fig. 2 is the utility model tool clamping piece and anchorage connection diagram；
Fig. 3 is the utility model split heads reverse side plan view；
Fig. 4 is the utility model split heads front view；
Fig. 5 is the utility model anchorage front view.
In figure, the 1-the first anchor plate, the second anchor plates of 1-1-, 2-locking anchorages, 3-split heads, 3-1-support column,
3-2-reinforcement angle steel, 3-3-transverse direction stiffener, 3-4-anchor cable hole, 3-5-support panel, 4-jack, 5-tensioning are lived
Plug, 6-tool clamping pieces, 7-tension ground tackles, 8-dial gauges, 9-anchor cables, 10-anchor holes, 11-anchor beams.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings.One kind as described in Figure 1 is used for anchor cable circulation stretch-draw
Structure, including anchor cable 9 and anchor beam 11, it is characterised in that：Further include the first anchor plate 1, the locking anchorage that anchor cable 9 sequentially passes through
2, split heads 3, jack 4, the second anchor plate 1-1 and tension ground tackle 7.First anchor plate 1 is in close contact with anchor beam 11, horse
Stool 3 is placed between the first anchor plate 1 and jack 4, and the length of split heads 3 is more than the length of locking anchorage 2, and jack 4 is placed in
On the support panel 3-5 of split heads 3, the piston 5 of the second anchor plate 1-1 and jack touches.First anchor plate, 1 and second anchor
The size and shape of backing plate 1-1 is identical, and cross section is rectangle, respectively with the piston 5 of anchor beam 11 and jack 4 is smooth connects
It touches.The locking anchorage 2 and tension ground tackle 7 are cylindric.As shown in figure 5, in the first anchor plate 1, locking anchorage 2, split heads 3
Support panel 3-5, the second anchor plate 1-1 and tension ground tackle 7 in be respectively arranged with that multiple diameters are identical and anchor cable in correspondence with each other
Hole 10, the diameter for being directly more than single anchor cable 9 of each anchor cable hole 10.The percentage that precision is 0.01m is equipped on tension ground tackle 7
Table 8.As shown in Fig. 2, being respectively arranged with tool clamping piece 6 in locking anchorage 2 and tension ground tackle 7.
Split heads 3 as shown in Figure 3 and Figure 4 is made of multiple support column 3-1 and support panel 3-5, the supporting surface of split heads 3
Plate 3-5 is the square panel that area is more than 4 floor space of jack, and support column 3-1, four support columns are respectively equipped in four corners
3-1 is identical size, the steel cylinder of length, is evenly and symmetrically set to four angle points of the panel, each support column
The bottom surface of 3-1 is smooth, and with anchor plate 1 is seamless contacts；The locking anchorage 2 is placed between multiple support column 3-1 of split heads 3
In the space of formation.It is respectively equipped in the both sides of every support column 3-1 and fixes the reinforcement angle steel 3-2 welded with panel 3-5 is supported,
It is identical size that described eight, which are reinforced angle steel 3-2, is symmetrically welded in the root of four support column 3-1, in 3 left and right sides of split heads
Lateral stiffener 3-3 is respectively welded on support column 3-1, distances of the transverse direction stiffener 3-3 apart from the ends support column 3-1 is big
In the length of locking anchorage 2.
The utility model locks the operation principle of tool clamping piece 6 on anchorage 2：Tool clamping piece 6 is the thick following thin circle in top
Cone structure, when 9 hierarchical loading of anchor cable, since frictional force tool clamping piece 6 is subjected to displacement with anchor cable 9, tool clamping piece 6 is not
Anchor cable 9 can be locked, worker blocks tool clamping piece 6 using bar dowel to be made its displacement but do not fall off 2 out of anchorage, and next stage adds
Before load, worker strikes clamping tool intermediate plate 6 using bar dowel, and tool clamping piece 6 is made to lock anchor cable 9.When 9 load shedding of anchor cable, due to
Frictional force tool clamping piece 6 is subjected to displacement with anchor cable 9, worker using bar dowel block tool clamping piece 6 make its displacement but
Anchor cable 9 will not be clamped, before next stage unloading, worker strikes clamping tool intermediate plate 6 using bar dowel, and tool clamping piece 6 is made to lock anchor cable 9.
The deformation of split heads 3 and stress feelings when the utility model calculates maximum pressure in stretching process according to mechanics of materials formula
Condition ensures the plate thickness of split heads 3, the size of support column 3-1, reinforces angle steel 3-2 and lateral stiffener 3-3 sizes satisfaction
The requirement of intensity, rigidity and stability.Jack 4 is centre-hole jack, and compression train is formed by jack, oil pump and pressure gauge
System is further applied load for anchor cable.
During the load or unload of the utility model, the tool clamping piece 6 of tension ground tackle 7 clamps anchor cable 9,4 row of jack
Synchronous shift occurs for the increased simultaneous tension anchorage 7 of journey, and anchor cable 9 is made to be deformed.When 4 stroke of jack is inadequate, jack 4
Unloading makes the retraction zero of piston 5, since locking 2 position limit device action tool intermediate plate 6 of anchorage is locked quickly when jack 4 unloads
Tension ground tackle 7 is detached with its intermediate plate 6 using specific purpose tool, and tension ground tackle 7 is adjacent to jack again by anchor cable 9 again at this time
4, it strikes tool clamping piece 6 on tight tension ground tackle 7 and locks anchor cable 9, then 4 stroke of jack can be utilized to complete next stage anchor cable again and loaded
Tensioning, for split heads 3 between the first anchor plate 1 and jack 4, the length of split heads 3 is more than the length of locking anchorage 2, makes locking
The tool clamping piece 6 of anchorage 2 can be subjected to displacement with the deformation of anchor cable 9, while allow worker to block intermediate plate 6 using bar dowel to make
It, which does not fall off, falls down.It is not locked in load or unload process stream line 9, worker can be allowed to strike tightly before hierarchical loading or unloading
Intermediate plate 6 locks anchor cable 9, and the stroke of jack 4 is utilized with multiple stacking, reaches the peak load needed for fundamental test, and smoothly
Complete the complete cyclic loading and unloading process of anchor cable fundamental test.
The economic benefit of the utility model：By taking certain Practical Project as an example, existing YDC-2500 types jack piston is maximum
Stroke is standard stroke 200mm, is tried although the superposition of jack stroke can be utilized to reach anchor cable maximum using traditional method for stretching
Load is tested, but is unable to complete successfully the complete cyclic loading and unloading process of anchor cable fundamental test.If it is basic that buying stroke meets anchor cable
The jack that the peak load of experiment requires, such as YDN type fastening type jacks, it can be more than 200mm to customize stroke according to user.With
For 2 sets of jack of the requirement of engineering, about 2000 yuan of YDC-2500 type jack average price/set, YDN type inner blocking types are very heavy
About 20000 yuan of average price/set is pushed up, which can save 36000 yuan of project cost using the utility model patent, and be avoided that
Delay the duration because customizing jack.It is special using the utility model to the especially more science of bridge building of use anchor cable, high slope engineering
Sharp economic benefit is more notable.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (9)
1. a kind of structure for anchor cable circulation stretch-draw, including anchor cable (9) and anchor beam (11), it is characterised in that：It further include anchor cable
(9) it the first anchor plate (1) for sequentially passing through, locking anchorage (2), split heads (3), jack (4), the second anchor plate (1-1) and opens
Anchorage (7), first anchor plate (1) is drawn to be in close contact with anchor beam (11), the split heads (3) is by multiple support columns (3-1)
It is formed with support panel (3-5), multiple support columns (3-1) and the first anchor plate (1) of split heads (3) are in close contact, and split heads (3)
Length be more than the length of locking anchorage (2), the locking anchorage (2) is placed in shape between multiple support columns (3-1) of split heads (3)
At space in；The jack (4) is placed on the support panel (3-5) of split heads (3), the second anchor plate (1-1) and jack
Piston (5) touch；It is respectively arranged with tool clamping piece (6) in locking anchorage (2) and tension ground tackle (7).
2. a kind of structure for anchor cable circulation stretch-draw according to claim 1, it is characterised in that：In the first anchor plate
(1), it is respectively set in locking anchorage (2), the support panel (3-5) of split heads (3), the second anchor plate (1-1) and tension ground tackle (7)
There are multiple diameters identical and anchor cable hole (10) in correspondence with each other, the diameter for being directly more than single anchor cable (9) of each anchor cable hole (10).
3. a kind of structure for anchor cable circulation stretch-draw according to claim 1 or 2, it is characterised in that：In tension ground tackle
(7) it is equipped with the dial gauge (8) that precision is 0.01m.
4. a kind of structure for anchor cable circulation stretch-draw according to claim 1 or 2, it is characterised in that：The split heads (3)
Support panel (3-5) be area be more than jack (4) floor space square panel, be respectively equipped with support column in four corners
(3-1), and be respectively equipped in the both sides of every support column (3-1) and support the fixed reinforcement angle steel (3- welded of panel (3-5)
2) lateral stiffener (3-3), is equipped between two adjacent support columns (3-1).
5. a kind of structure for anchor cable circulation stretch-draw according to claim 1 or 2, it is characterised in that：The lock anchor
It is cylindric to have (2) and tension ground tackle (7).
6. a kind of structure for anchor cable circulation stretch-draw according to claim 1 or 2, it is characterised in that：First anchor
Backing plate (1) is identical with the size and shape of the second anchor plate (1-1), and cross section is rectangle, respectively with anchor beam (11) and
Piston (5) flat contact of jack (4).
7. a kind of structure for anchor cable circulation stretch-draw according to claim 4, it is characterised in that：Four support columns
(3-1) is identical size, the steel cylinder of length, is evenly and symmetrically set to four angle points of the panel, each to support
The bottom surface of column (3-1) is smooth, and with anchor plate (1) seamless contact.
8. a kind of structure for anchor cable circulation stretch-draw according to claim 4, it is characterised in that：The transverse direction stiffener
(3-3) has two, is symmetrically welded on split heads (3) left and right sides support column (3-1)；Transverse direction stiffener (3-3) the distance branch
The distance of the end dagger (3-1) is more than the length of locking anchorage (2).
9. a kind of structure for anchor cable circulation stretch-draw according to claim 4, it is characterised in that：Eight strengthens angles
Steel (3-2) is identical size, is symmetrically welded in the root of four support columns (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721870467.7U CN207760851U (en) | 2017-12-27 | 2017-12-27 | A kind of structure for anchor cable circulation stretch-draw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721870467.7U CN207760851U (en) | 2017-12-27 | 2017-12-27 | A kind of structure for anchor cable circulation stretch-draw |
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| Publication Number | Publication Date |
|---|---|
| CN207760851U true CN207760851U (en) | 2018-08-24 |
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ID=63185199
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721870467.7U Active CN207760851U (en) | 2017-12-27 | 2017-12-27 | A kind of structure for anchor cable circulation stretch-draw |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959606A (en) * | 2019-04-29 | 2019-07-02 | 中国水利水电第十二工程局有限公司 | The device of on-site test gunite concrete and country rock bonding strength test |
-
2017
- 2017-12-27 CN CN201721870467.7U patent/CN207760851U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959606A (en) * | 2019-04-29 | 2019-07-02 | 中国水利水电第十二工程局有限公司 | The device of on-site test gunite concrete and country rock bonding strength test |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430080 No. 17 metallurgical Avenue, Qingshan District, Hubei, Wuhan Patentee after: MCC Wukan Engineering Technology Co.,Ltd. Address before: 430080 No. 17 metallurgical Avenue, Qingshan District, Hubei, Wuhan Patentee before: WUHAN SURVEYING GEOTECHNICAL RESEARCH INSTITUTE Co.,Ltd. OF MCC |
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| CP01 | Change in the name or title of a patent holder |