CN202610848U - Anchor rod drawing instrument auxiliary device - Google Patents
Anchor rod drawing instrument auxiliary device Download PDFInfo
- Publication number
- CN202610848U CN202610848U CN 201220134646 CN201220134646U CN202610848U CN 202610848 U CN202610848 U CN 202610848U CN 201220134646 CN201220134646 CN 201220134646 CN 201220134646 U CN201220134646 U CN 201220134646U CN 202610848 U CN202610848 U CN 202610848U
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- Prior art keywords
- support ring
- drawing instrument
- anchor
- anchor pole
- oil cylinder
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- Expired - Lifetime
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Abstract
The utility model provides an anchor rod drawing instrument auxiliary device comprising a drawing instrument support piece and an anchor rod connecting piece arranged inside the drawing instrument support piece. The drawing instrument support piece comprises a first upper support ring and a first lower support ring which are connected through a pressing rod. The first upper support ring is used for supporting a drawing instrument oil cylinder. The anchor rod connecting piece comprises a second upper support ring and a second lower support ring which are connected through the drawing rod. The internal of the second upper support ring is fixedly connected with a converting screw rod which is connected a lengthened rod through a converting connector. The lengthened rod penetrates through a central hole of the drawing instrument oil cylinder and fixedly connected with the oil cylinder through nuts. An anchor plate provided with an anchor rod connecting hole at the center is connected with the second support ring. The anchor rod drawing instrument auxiliary device guarantees normal operation of the drawing instrument through force transmission of an outer support, avoids restricting function of the oil cylinder to basic materials, transmits pulling force of the drawing instrument to the anchor plate through an inner support, and then detect bearing capacity of anchoring pieces and guarantees support utilization of the anchoring pieces in an original assembly.
Description
Technical field
The utility model relates to anchoring field, back, more specifically, relates to a kind of anchor pole drawing instrument auxiliary device, carries out anchored force in order to anchoring pieces such as crab-bolts at the bottom of assisting anchor pole drawing appearance to anchor pole, reinforcing bar, expansion bolt, expansion and detects.
Background technology
Along with popularizing of the increasing of carrying out of making of old housing reform, structural fortification, building finishing; Back anchoring is widely used with advantages such as its easy construction, dependable performance degree height, flexible arrangement; And progressively extend in the new building engineering; Its anchoring base material is also extended to various building boards such as porous brick, fiberboard and hollow building materials by concrete, become a kind of indispensable new technique.
Yet, compare with practical applications widely, the anchoring standard but relatively lags behind after China, the national standard aspect the anchoring of back and department/industry standard also seldom, the back anchoring product quality that causes occurring on the market is uneven, construction level also respectively has height.So, need carry out the anchor drawing bearing capacity and detect for guaranteeing workmanship.
Existing anchor drawing bearing capacity checkout equipment kind on the market, model are many, but it is basic identical, as shown in Figure 1 to detect principle.By finding out among the figure, the anchoring base material is a bearing after this drawing appearance, and anchoring piece is applied pulling capacity, thus the supporting capacity of check anchoring piece.This type drawing appearance technology comparative maturity is constructed comparatively ingeniously, but also exists following several limitation and problem:
1, owing to anchoring base material after this drawing appearance is a bearing; And cylinder diameter is less, and oil cylinder is exerted pressure to base material when applying pulling capacity; Form effect of contraction; Improved the ability of anchoring piece anti-pulling to a certain extent, be not inconsistent, and run counter to " anchoring rules behind the concrete structure " (JGJ145-2004) to the requirement of crab-bolt spacing and crab-bolt and concrete edge distance with actual conditions.
2, for screw thread class anchoring pieces such as screw rods, adopt crossover sub to be connected with extension bar, it connects highly often greater than the height of the original-pack nut of producer, and promptly lifting surface area is bigger than normal.If ignore the influence that the anchoring base material causes after the above-mentioned constraint; Then only under the situation of concrete destruction, anchor pole steel destruction or chemical anchor bolts bond damage; The bearing capacity result that test obtains is with actual close; Other situation are next not to be difficult to guarantee, especially high when the anchoring piece thread quality, when being prone to hot candied destruction, far from each other with actual conditions especially.
The utility model content
The purpose of the utility model is to provide a kind of anchor pole drawing instrument auxiliary device, has overcome ubiquitous two problems of existing drawing appearance: (1) oil cylinder acts directly on the back anchoring base material, and it is caused constraint, causes test result bigger than normal; (2) use of crossover sub makes that anchoring piece does not adopt a whole set of products in the drawing process, and its duty and actual conditions are not inconsistent, and the reliable test result degree is not high.
Anchor pole drawing instrument auxiliary device comprises drawing appearance support member and is positioned at its inner anchor pole connector; Said drawing appearance support member comprise through depression bar connect first on support ring and first time support ring, support ring is in order to support drawing appearance oil cylinder on first; Said anchor pole connector comprise through pull bar connect second on support ring and second time support ring; Be connected with the conversion screw rod on said second in the ring of support ring, said conversion screw rod connects extension bar through crossover sub, and said extension bar passes the centre bore of said drawing appearance oil cylinder and is fixedly connected with oil cylinder through nut; Be connected with the anchor slab that the center has the anchor pole connecting hole in said second time support ring.
Further, the external diameter of support ring is less than first time support ring on said first, and the external diameter of support ring is less than second time support ring on said second.
Further, the inner ring surface of said second time support ring be internal diameter to down and on the slope that increases gradually.
Further, said anchor slab and said second time support ring are for removably connecting.
The technique effect of the utility model is embodied in:
The utility model is on the basis of original drawing appearance; Utilize the simple mechanics-based principle; The acting surface that supports drawing appearance oil cylinder is transferred to outside support by back anchoring base material, then through outside support be passed to far away apart from anchoring piece, meet on back anchoring base material that anchoring back gauge in back requires or ground, the metope.So both guaranteed the operate as normal of drawing appearance, avoided the effect of contraction of oil cylinder again base material.Through the effect of internal stent, can the tension of drawing appearance be passed to anchor slab again, then anchoring piece is carried out bearing capacity and detect, guaranteed the original-pack supporting use of anchoring piece, conform to actual conditions.
Description of drawings
Fig. 1 is that the drawing appearance detects principle schematic, and Fig. 1 (a) detects principle for the screw-thread steel pulling capacity, and Fig. 1 (b) is the pulling capacity detection principle of screw thread class anchor pole such as screw rod;
Fig. 2 is the utility model overall structure figure;
Fig. 3 is drawing appearance supporting piece structure figure;
Fig. 4 is a drawing appearance support member detail drawing, and Fig. 4 (a) is a drawing appearance support member elevation, and Fig. 4 (b) is a drawing appearance support member side view, and Fig. 4 (c) is a drawing appearance support member vertical view;
Fig. 5 is an anchor pole connector structure chart, Fig. 5 (a) for connect through pull bar second on support ring and second time support ring, and be positioned at the conversion screw rod on the support ring on second, Fig. 5 (b) is crossover sub, extension bar, packing ring and nut;
Fig. 6 is an anchor pole connector detail drawing; Fig. 6 (a) is an anchor pole connector elevation; Fig. 6 (b) is an anchor pole connector side view, and Fig. 6 (c) is an anchor pole connector vertical view, and Fig. 6 (d) is crossover sub, packing ring and nut vertical view; Fig. 6 (e) is crossover sub, packing ring and nut elevation, and Fig. 6 (f) is crossover sub, packing ring and pane figure;
Fig. 7 is conversion screw rod sketch map, and Fig. 7 (a) is for adding the long bolt elevation, and Fig. 7 (b) is for adding the long bolt side view, and Fig. 7 (c) is for adding the long bolt vertical view;
Fig. 8 is a support ring sketch map on second, and Fig. 8 (a) is a support ring vertical view on second, and Fig. 8 (b) is a support ring side view on second, and Fig. 8 (c) is a support ring elevation on second;
Fig. 9 is the pull bar sketch map, and Fig. 9 (a) is the pull bar elevation, and Fig. 9 (b) is the pull bar side view, and Fig. 9 (c) is a pull bar ring vertical view;
Figure 10 is the anchor slab sketch map, and Figure 10 (a) is the anchor slab vertical view, and Figure 10 (b) is the anchor slab side view, and Figure 10 (c) is the anchor slab elevation;
Figure 11 is second time support ring sketch map, and Figure 11 (a) is second time support ring vertical view, and Figure 11 (b) is second time support ring side view, and Figure 11 (c) is second time support ring elevation;
Figure 12 is a support ring sketch map on first, and Figure 12 (a) is a support ring vertical view on first, and Figure 12 (b) is a support ring side view on first, and Figure 12 (c) is a support ring elevation on first;
Figure 13 is the pull bar sketch map, and Figure 13 (a) is the pull bar elevation, and Figure 13 (b) is the pull bar side view, and Figure 13 (c) is the pull bar vertical view;
Figure 14 is first time support ring sketch map, and Figure 14 (a) is first time support ring vertical view, and Figure 14 (b) is first time support ring side view, and Figure 14 (c) is first time support ring elevation;
Figure 15 is for installing overall diagram;
Wherein, 1 tested anchor pole (screw-thread steel); 2 anchor pole drawing appearance oil cylinders; 3 screw-thread steel ground tackles; 4 anchor pole drawing appearance oil cylinder oil-ins; 5 anchor pole drawing appearance oil cylinder oil-outs; 6 tested anchor poles (screw rod etc.); The supporting nut of 7 former anchor pole drawing appearance; The supporting extension bar of 8 former anchor pole drawing appearance; The supporting crossover sub of 9 former anchor pole drawing appearance; 10 concrete substrates; Support ring on 11 first; 12 depression bars; 13 first times support rings; 14 nuts; 15 packing rings; 16 extension bars; 17 crossover subs; 18 conversion screw rods; Support ring on 19 second; 20 pull bars; 21 second times support rings; 22 anchor slabs.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further specified below in conjunction with accompanying drawing and specific embodiment.Should be appreciated that practical implementation case described herein only is used to explain the utility model, be not used in the use that limits the utility model.
Fig. 2 provides the utility model overall structure figure, and anchor pole drawing instrument auxiliary device comprises drawing appearance support member (as shown in Figure 3) and is positioned at its inner anchor pole connector (as shown in Figure 4); Said drawing appearance support member comprise through depression bar 12 connect first on support ring 11 and the first time support ring 13, the first support ring 11 in order to support drawing appearance oil cylinder 2; Said anchor pole connector comprise through pull bar 20 connect second on support ring 19 and second time support ring 21; Be connected with conversion screw rod 18 on said second in the ring of support ring 19, said conversion screw rod connects extension bar 16 through crossover sub 17, and said extension bar 16 passes the centre bore of said drawing appearance oil cylinder 2 and is fixedly connected with oil cylinder 2 through packing ring 15 and nut 14; Be connected with the anchor slab 22 that the center has the anchor pole connecting hole in said second time support ring 21.
Consider that anchor slab 22 directly bears the extruding force effect of anchoring piece in carrying out anchor drawing test, the distortion that is prone to be damaged, so the utility model with anchor slab 22 be designed to said second time support ring 21 for removably connecting.After anchor slab 22 deforms, can in time change, make this damage that is prone to the consumption part not influence the normal use of package unit.Given this, the inner ring surface of second time support ring 21 be internal diameter to down and on the slope that increases gradually, the external diameter of anchor slab 22 also increases from bottom to top gradually, matches with the inner ring surface of second time support ring 21.
In addition; The quantity of depression bar 12 and pull bar 20 can freely be selected, on first on the support ring 11, second the external diameter size of support ring 19 and first time support ring 13, second time support ring 21 also can decide as circumstances require, but reasonable from economical with materials, assurance Stability Analysis of Structures, stressed distribution; And make things convenient for anchor slab 22 to change the equal angles consideration; Analyze through optimizing, suggestion is taken as four with depression bar 12, and pull bar 20 is taken as three; The external diameter of support ring 11 is less than first time support ring 13 on preferred first, and the external diameter of support ring 19 is less than second time support ring 21 on said second.
The product type of anchor pole drawing appearance is not quite similar on the market; Common drawing appearance has five kinds of models; Test specification is respectively 0～100kN, 0～200kN, 0～300kN, 0～500kN and 0～1000kN, and the different crossover sub scopes of application, different long draw diameter, different ground tackle applicable model and the oil cylinder centre bore of adding are arranged respectively.From economical with materials, the convenient angle of using; The utility model is a design load with its measurement category maximum value, according to " Code for design of steel structures " to the drawing appearance of five kinds of models; Choose different scantlings respectively, designed the drawing instrument auxiliary device of five kinds of models.Drawing appearance auxiliary equipment for every kind of model; The weight of drawing appearance connector (as shown in Figure 4) is certain; Therefore after the drawing bearing capacity to certain anchoring piece detects end; Only need the drawing bearing capacity result who records is deducted in the drawing appearance connector except that nut, the gravity of all members the packing ring, promptly obtain the actual drawing bearing capacity of this anchoring piece.
Be that the drawing appearance of 0～500kN is illustrated with measurement category below.According in " Code for design of steel structures " to the computational rules of uniaxial force member; The intensity of axial tension component and axis compression member; By formula
calculates.For reduce the gravity of this device as far as possible, adopt the steel of Q420 grade.Each scantling is as shown in table 1, and table 2 is an anchor pole drawing instrument auxiliary device quality information.
Each member parameter of table 1 0～500kN drawing appearance
| The oil cylinder measurement category | The diagram letter | 0～ | |
| Oil cylinder | |||
| 2 centre bores | —— | 60mm | |
| |
a | M52*5 | |
| |
b | 40 | |
| | c | 18 | |
| |
|
20 | |
| |
e | 30 | |
| |
—— | 195 | |
| Second |
|
20 | |
| | g | 16 | |
| |
k | 60 | |
| |
r | 180 | |
| |
h | 40 | |
| |
i | 12 | |
| The height (mm) of 21 of |
u | 290 | |
| |
w | 330 | |
| First |
|
10 | |
| First |
v | 400 | |
| First |
—— | 300 | |
| |
l | 500 | |
| |
m | 88 | |
| |
n | 45 | |
| |
s | 96 | |
| |
t | 40 |
Table 2 0～500kN anchor pole drawing instrument auxiliary device quality information
| Member | Single volume (mm 3） | Quantity | Gross mass (kg) |
| |
981250 | 1 | 7.70 |
| |
210882 | 1 | 1.66 |
| |
44086 | 1 | 0.35 |
| |
185244 | 1 | 1.45 |
| |
361728 | 1 | 2.84 |
[0040]
| |
158400 | 4 | 4.96 |
| First |
549500 | 1 | 4.31 |
| |
127358 | 1 | 1.00 |
| |
52224 | 1 | 0.41 |
| |
117000 | 3 | 0.92 |
| Anchor |
186764 | 1 | 1.47 |
| Second |
321916 | 1 | 2.53 |
| Anchor pole connector gross mass | 17.49 | ||
| Drawing appearance support member gross mass | 12.11 | ||
| Anchor pole connector gross mass except that nut, packing ring | 15.48 |
Suppose that it is the use of the anchor pole drawing appearance of HC-50 that the utility model is used for assisting the model of certain manufacturers produce; To detect the drawing supporting capacity of the high-strength chemical anchor bolts RM12 of certain brand; Adopt the crossover sub of M52*5, operation is carried out pulling capacity according to the following stated step and is detected:
1,, holes successively, clear hole, puts sebific duct, buries screw rod and leave standstill according to the installation steps of chemical anchor bolts;
2, treat that colloid solidifies after, screw rod passes anchor slab 22 centre bores, the anchor pole connector is positioned on the back anchoring base material, and the supporting nut of chemical anchor bolts is installed;
3, crossover sub 17 and extension bar 16 are installed;
4, drawing appearance support member passes extension bar 16 and is positioned on the back anchoring base material 10;
5, anchor pole drawing appearance passes extension bar 16 and is positioned on the drawing appearance support member, and packing ring 15 and nut 14 are installed, and nut 14 is screwed to the chemical anchor bolts mounting torque of stipulating in the product standard and gets final product;
6, apply pulling capacity through manual pump, the anchor pole tensile capacity is detected.
Because of the weight of every complete equipment is fixed; Therefore behind EOT; Only needing the gravity that measured bearing capacity result deducts anchor pole connector except that nut, packing ring is promptly obtained the actual carrying capacity of anchoring piece, is example with HC-50, then anchor pole drawing bearing capacity=testing result-154.8N.
In addition, but a whole set of construction weight of the utility model grow up per capita in tolerance range for any one, and can not cause trouble to the work of original drawing appearance, be fit to very much promote the use of.
Claims (4)
1. anchor pole drawing instrument auxiliary device is characterized in that, comprises drawing appearance support member and is positioned at its inner anchor pole connector; Said drawing appearance support member comprise through depression bar connect first on support ring and first time support ring, support ring is in order to support drawing appearance oil cylinder on first; Said anchor pole connector comprise through pull bar connect second on support ring and second time support ring; Be connected with the conversion screw rod on said second in the ring of support ring, said conversion screw rod connects extension bar through crossover sub, and said extension bar passes the centre bore of said drawing appearance oil cylinder and is fixedly connected with oil cylinder through nut; Be connected with the anchor slab that the center has the anchor pole connecting hole in said second time support ring.
2. anchor pole drawing instrument auxiliary device according to claim 1 is characterized in that, the external diameter of support ring is less than first time support ring on said first, and the external diameter of support ring is less than second time support ring on said second.
3. anchor pole drawing instrument auxiliary device according to claim 1 is characterized in that, the inner ring surface of said second time support ring be internal diameter to down and on the slope that increases gradually.
4. anchor pole drawing instrument auxiliary device according to claim 1 is characterized in that, said anchor slab and said second time support ring are for removably connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220134646 CN202610848U (en) | 2012-04-01 | 2012-04-01 | Anchor rod drawing instrument auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220134646 CN202610848U (en) | 2012-04-01 | 2012-04-01 | Anchor rod drawing instrument auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202610848U true CN202610848U (en) | 2012-12-19 |
Family
ID=47344560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220134646 Expired - Lifetime CN202610848U (en) | 2012-04-01 | 2012-04-01 | Anchor rod drawing instrument auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202610848U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297054A (en) * | 2014-10-15 | 2015-01-21 | 东南大学 | Auxiliary linear anchoring device for researching tensile properties of FRP (Fiber Reinforced Polymer) ribs |
| CN113324681A (en) * | 2021-05-28 | 2021-08-31 | 法施达科技有限公司 | Anchoring safety detection method for overhead contact system davit anchoring part |
-
2012
- 2012-04-01 CN CN 201220134646 patent/CN202610848U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297054A (en) * | 2014-10-15 | 2015-01-21 | 东南大学 | Auxiliary linear anchoring device for researching tensile properties of FRP (Fiber Reinforced Polymer) ribs |
| CN113324681A (en) * | 2021-05-28 | 2021-08-31 | 法施达科技有限公司 | Anchoring safety detection method for overhead contact system davit anchoring part |
| CN113324681B (en) * | 2021-05-28 | 2022-04-26 | 法施达科技有限公司 | Anchoring safety detection method for overhead contact system davit anchoring part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121219 |
|
| CX01 | Expiry of patent term |