CN206667312U - A kind of counterforce device for improving the amount of the pulling out degree of accuracy on anchor cable pullout tests - Google Patents
A kind of counterforce device for improving the amount of the pulling out degree of accuracy on anchor cable pullout tests Download PDFInfo
- Publication number
- CN206667312U CN206667312U CN201720462064.2U CN201720462064U CN206667312U CN 206667312 U CN206667312 U CN 206667312U CN 201720462064 U CN201720462064 U CN 201720462064U CN 206667312 U CN206667312 U CN 206667312U
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- CN
- China
- Prior art keywords
- support arm
- plate
- anchor cable
- accuracy
- pulling out
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- 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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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a kind of counterforce device for improving the amount of the pulling out degree of accuracy on anchor cable pullout tests, including the reaction plate for carrying punching jack, the middle part of the reaction plate, which is provided with, is used for anchor head, the perforation that anchor cable passes through, the two bottom sides of the reaction plate are connected with support arm set, support arm plate is movably equipped with the support arm set, the support arm plate is provided with multiple rows of adjustment hole, the support arm is put provided with multiple and adjustment hole position correspondence adjusting screw, the upper surface of the reaction plate is additionally provided with adjustable track, adjustment seat is movably equipped with the adjustable track, the angle regulator for being provided with and being used for adjusting punching jack angle is rotated in the adjustment seat.The utility model is simple in construction, can avoid waist rail, directly act on counter-force on the campshed behind waist rail, and anchor head does not rotate during can guarantee that experiment, and counterforce device is without deformation, so as to pull out measurement accuracy on ensureing.
Description
Technical field
It the utility model is related to Foundation Pit Construction field of measuring technique, and in particular to one kind is improved on anchor cable pullout tests
The counterforce device of the amount of the pulling out degree of accuracy.
Background technology
At present, with the increase of deep foundation pit engineering, armored concrete campshed adds the combination supporting mode of anchor cable frequent
Use, and to ensure the personal safety of workmen in the relatively stable and foundation ditch of base pit engineering, anchor cable pullout tests play
The effect that can not be despised.The size of anchor cable withdrawal resistance directly affects the action effect of anchor cable, if withdrawal resistance is insufficient, can make anchor
Rope does not have the effect of the anchoring the week side of boss soil body, gently then influences surrounding road, building, heavy then construction accident can occur, and brings the person
Harm in terms of safety, economic dispatch.So anchor cable pullout tests are to evaluate design, detect one of anchor cable construction quality
Important measures.
Campshed adds cable bolting, and entirety is linked as by waist rail, and anchor cable pullout tests typically provide counter-force by waist rail, waist
The measurement of the strength and stiffness of beam and the anchoring angle of anchor cable on the amount of pulling out on anchor cable has direct and obvious influence.Waist rail it is firm
Degree deficiency, waist rail deformation is serious during causing experiment, and anchorage effect can not normally be played by resulting even in waist rail, and anchor head
Anchoring angle and anchor cable angle of penetration it is inconsistent, can cause experiment during anchor head with waist rail deformation rotate, so as to
Influence the accurate measurement of the amount of pulling out on anchor cable.
The content of the invention
The defects of the purpose of this utility model exists aiming at prior art, there is provided it is a kind of simple in construction, waist can be avoided
Beam, directly counter-force is acted on the campshed behind waist rail, anchor head does not rotate during can guarantee that experiment, and counterforce device is without change
Shape, so as to pull out the counterforce device for improving the amount of the pulling out degree of accuracy on anchor cable pullout tests of measurement accuracy on ensureing.
The technical solution of the utility model is：A kind of counterforce device for improving the amount of the pulling out degree of accuracy on anchor cable pullout tests, bag
The reaction plate for carrying punching jack is included, the middle part of the reaction plate is provided with the perforation passed through for anchor head, anchor cable, described
The two bottom sides of reaction plate are connected with support arm set, are movably equipped with support arm plate in the support arm set, the support arm plate is provided with multiple rows of
Adjustment hole, the support arm are put provided with multiple and adjustment hole position correspondence adjusting screw, and the upper surface of the reaction plate is also set
There is adjustable track, adjustment seat is movably equipped with the adjustable track, is rotated in the adjustment seat provided with very heavy for adjusting punching
The angle regulator of drift angle degree.
The angle regulator includes the bottom plate with adjustment seat rotation connection, and one end of the bottom plate, which rotates, is provided with support
Plate, the other end bottom of the supporting plate are provided with regulating tank, and the other end of the bottom plate is vertically provided with cylinder, the top of the cylinder
End is provided with roller, and the roller is located in regulating tank.
The adjustable track is multiple, is separately positioned on around perforation；The angle regulator is also two, respectively
It is movably arranged in adjustable track.
The middle part of the adjustment seat is provided with rotating shaft, and the rotating shaft is rotatablely connected with bottom plate.
The bottom of the support arm plate is provided with backing plate.
The utility model compared with prior art, has advantages below：By by the support arm of reaction plate and both ends set with
Support arm plate shape is combined into leg, can ensure that waist rail is not bound by across waist rail, so as to prevent deformation effect from subsequently using；And
The angle regulator of regulation can be moved freely as needed by being added in punching jack and reaction plate leg, can make to wear
Anchor cable on heart jack remains straight line in whole loading process, can so prevent anchor head from rotating, and then ensure that
On pull out the accuracy of measurement.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the utility model Fig. 1 top view；
Fig. 3 is Fig. 1 left view；
Fig. 4 is the structural representation of angle regulator；
In figure：1st, reaction plate, 2, perforation, 3, support arm set, 4, support arm plate, 5, adjustment hole, 6, adjusting screw, 7, buffer rail
Road, 8, adjustment seat, 9, bottom plate, 10, supporting plate, 11, regulating tank, 12, cylinder, 13, roller, 14, rotating shaft, 15, backing plate.
Embodiment
Here is that the utility model is further illustrated in conjunction with the accompanying drawings and embodiments.
Reference picture 1- Fig. 4, a kind of counterforce device for improving the amount of the pulling out degree of accuracy on anchor cable pullout tests, including worn for carrying
The reaction plate 1 of heart jack, the perforation 2 passed through for anchor head, anchor cable, the bottom two of reaction plate 1 are provided with the middle part of reaction plate 1
Side is connected with support arm set 3, and support arm plate 4 is movably equipped with each support arm set 3, and reaction plate 1, support arm set 3 and support arm plate 4 are formed
Across the hole of waist rail, so ensure that waist rail does not stress.Multiple rows of adjustment hole 5 is provided with support arm plate 4, support arm set 3 is provided with more
The individual and adjusting screw 6 of the position correspondence of adjustment hole 5, by adjusting the position of adjusting screw 6 and multiple rows of adjustment hole 5, can make branch
Arm plate 4 stretches in support arm set 3, by flexible the lower end of support arm plate 4 can be made to act on the support pile of anchor cable both sides to be tested
On, so ensure that waist rail does not stress, anchorage effect can not be played so as to prevent flexural deformation.
Adjustable track 7 is additionally provided with the upper surface of reaction plate 1, adjustment seat 8, adjustment seat 8 are movably equipped with adjustable track 7
Upper rotation is provided with bottom plate 9, and the middle part of adjustment seat 8 is provided with rotating shaft 14, and adjustment seat 8 is rotatablely connected with bottom plate 9 by rotating shaft 14, bottom plate
9 one end rotates and is provided with supporting plate 10, and the other end bottom of supporting plate 10 is provided with regulating tank 11, and the other end of bottom plate 9 is vertically set
There is cylinder 12, the top of cylinder 12 is provided with roller 13, and roller 13 is located in regulating tank 11, according to the angle of punching jack and position
Needs are put, adjustable track 7 can be first passed through supporting plate 10 is moved to suitable position, then according to the angle of anchor cable, regulation
The angle of punching jack, when the angle of regulation punching jack makes, supporting plate 10 can be driven by the lifting of cylinder 12 bottom of along
The end of plate 9 rotates, and the roller 13 on such top of cylinder 12 moves in regulating tank 11 simultaneously, to adapt to the change of the angle of supporting plate 10
Change mobile position, the angle of so i.e. adjustable punching jack, anchor cable is remained straight line in whole loading process,
Prevent anchor head from being rotated with the deformation of waist rail, ensure the accuracy of measurement.
Above-mentioned adjustable track 7 is multiple, is separately positioned on around perforation 2；Angle regulator is also two, respectively
It is movably arranged in adjustable track 7.So according to the angle of inclination of anchor cable, the position of jack is freely rotatable, using simple
It is convenient.
Working method：During Preparatory work of experiment, the counterforce device is placed on waist rail, makes anchor cable to be tested through anchor cable, anchor head
Perforation 2, support arm plate 4 is acted on the support pile of anchor cable both sides to be tested, support arm plate 4 lower end install backing plate 15, pass through
Backing plate 15 can increase lifting surface area, prevent local pressure from crossing senior general's support pile and damaging by pressure；By adjusting the regulation spiral shell on support arm set 3
Nail 6, the lower end and support pile for making support arm plate 4 are in close contact, while ensure that waist rail does not stress, in punching jack and reaction plate 1
Between cushioning be used to adjust the angle regulator of angle, anchor cable can be made to remain straight line in whole loading process.Examination
After testing end, using constructing, special anchor head passes through anchor cable, anchor head perforation 2 again tensioning fixation.
The utility model is not limited to above-mentioned embodiment, in those skilled in the art's possessed knowledge,
It can also be made a variety of changes on the premise of the utility model aims are not departed from, the content after change still falls within the utility model
Protection domain.
Claims (5)
- A kind of 1. counterforce device for improving the amount of the pulling out degree of accuracy on anchor cable pullout tests, it is characterised in that：Including for carrying punching The reaction plate of jack, the middle part of the reaction plate are provided with the perforation passed through for anchor head, anchor cable, the bottom two of the reaction plate Side is connected with support arm set, is movably equipped with support arm plate in the support arm set, the support arm plate is provided with multiple rows of adjustment hole, the support arm Put provided with the multiple and adjusting screw of adjustment hole position correspondence, the upper surface of the reaction plate is additionally provided with adjustable track, described Adjustment seat is movably equipped with adjustable track, the angular adjustment for being provided with and being used for adjusting punching jack angle is rotated in the adjustment seat Device.
- 2. a kind of counterforce device for improving the amount of the pulling out degree of accuracy on anchor cable pullout tests according to claim 1, its feature exist In：The angle regulator includes the bottom plate with adjustment seat rotation connection, and one end of the bottom plate, which rotates, is provided with supporting plate, institute The other end bottom for stating supporting plate is provided with regulating tank, and the other end of the bottom plate is vertically provided with cylinder, and the top of the cylinder is set There is roller, the roller is located in regulating tank.
- 3. a kind of counterforce device for improving the amount of the pulling out degree of accuracy on anchor cable pullout tests according to claim 1, its feature exist In：The adjustable track is multiple, is separately positioned on around perforation；The angle regulator is also two, activity respectively It is arranged in adjustable track.
- 4. a kind of counterforce device for improving the amount of the pulling out degree of accuracy on anchor cable pullout tests according to claim 2, its feature exist In：The middle part of the adjustment seat is provided with rotating shaft, and the rotating shaft is rotatablely connected with bottom plate.
- 5. a kind of counterforce device for improving the amount of the pulling out degree of accuracy on anchor cable pullout tests according to claim 1, its feature exist In：The bottom of the support arm plate is provided with backing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720462064.2U CN206667312U (en) | 2017-04-28 | 2017-04-28 | A kind of counterforce device for improving the amount of the pulling out degree of accuracy on anchor cable pullout tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720462064.2U CN206667312U (en) | 2017-04-28 | 2017-04-28 | A kind of counterforce device for improving the amount of the pulling out degree of accuracy on anchor cable pullout tests |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206667312U true CN206667312U (en) | 2017-11-24 |
Family
ID=60370878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720462064.2U Expired - Fee Related CN206667312U (en) | 2017-04-28 | 2017-04-28 | A kind of counterforce device for improving the amount of the pulling out degree of accuracy on anchor cable pullout tests |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206667312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565107A (en) * | 2021-09-13 | 2021-10-29 | 中建八局第二建设有限公司 | Connecting device for anchor cable anchorage device and waist beam |
-
2017
- 2017-04-28 CN CN201720462064.2U patent/CN206667312U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565107A (en) * | 2021-09-13 | 2021-10-29 | 中建八局第二建设有限公司 | Connecting device for anchor cable anchorage device and waist beam |
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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 |
Granted publication date: 20171124 Termination date: 20180428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |