CN203502303U - Simple pulling resistance detection device - Google Patents
Simple pulling resistance detection device Download PDFInfo
- Publication number
- CN203502303U CN203502303U CN201320609539.8U CN201320609539U CN203502303U CN 203502303 U CN203502303 U CN 203502303U CN 201320609539 U CN201320609539 U CN 201320609539U CN 203502303 U CN203502303 U CN 203502303U
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- China
- Prior art keywords
- steel strand
- centre
- hole jack
- detection device
- pulling resistance
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Abstract
The utility model relates to the technical field of highway construction industry, and particularly relates to a simple pulling resistance detection device. The simple pulling resistance detection device comprises a lower bearing plate, a plurality of supporting cushion blocks, an upper shim plate, a centre hole jack and a steel strand, wherein the bottom of the centre hole jack is arranged on the surface of the upper shim plate; the supporting cushion blocks are symmetrically arranged at the left side and right side of the bottom surface of the upper shim plate; one end of the steel strand sequentially penetrates through the inner cavity of the centre hole jack and the through hole of the upper shim plate to be fixedly connected with the surface of the lower bearing plate, and the other end of the steel strand penetrates through the top end of the centre hole jack. When the simple pulling resistance detection device disclosed by the utility model is in use, the simple pulling resistance detection device can be fast assembled and disassembled, an embedded part is detected by adopting the high strength of the steel strand, and a single steel strand can detect the pulling resistance within 260 kN; a detection tool is simple, low in cost and suitable for large-area detection. The simple pulling resistance detection device disclosed by the utility model has the advantages of simple structure, reasonability in arrangement, low manufacturing cost, and the like.
Description
Technical field
The utility model relates to road construction industry technical field, particularly a kind of simple and easy withdrawal resistance pick-up unit.
Background technology
In Bridges in Our Country engineering industry, bridge for the sound barrier that meets the demands such as isolation, protection, monitoring, information issue and circuit guiding and arrange, anti-falling screen, shooting column, variable information board, sign Sign Board etc. all needs on the guardrail of bridge, design built-in fitting.And the withdrawal resistance of built-in fitting whether meet design requirement directly have influence on after installing component operation the phase safety.The withdrawal resistance of check built-in fitting is mainly the experience that relies on workman at present, there is no professional pick-up unit, has so both wasted a large amount of manpower and materials, can affect again the quality of engineering.Therefore how to provide a kind of problems such as device that can accurately detect the withdrawal resistance of built-in fitting to become the much-talked-about topic of research in the industry.
Utility model content
The purpose of this utility model is for the defect of prior art and deficiency, provides a kind of simple in structure, simple and easy withdrawal resistance pick-up unit reasonable in design, easy to use.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of simple and easy withdrawal resistance pick-up unit described in the utility model, comprise bottom deck, several cushion blocks, upper padding plate, centre-hole jack and steel strand wires, centre-hole jack bottom is arranged on the surface of upper padding plate, and a cushion block is symmetricly set on the left and right sides of upper padding plate bottom surface; Steel strand wires one end is fixedly connected with the surface of bottom deck after the through hole through centre-hole jack inner chamber, upper padding plate successively, and the steel strand wires other end is stretched the top in and out of centre-hole jack; Centre-hole jack is the lifting jack of readable.
Further, the bottom of described centre-hole jack and top are provided with the anchor block matching with centre-hole jack, and the steel strand wires other end is stretched the anchor block in and out of centre-hole jack top.
Further, between the anchor block on described centre-hole jack top and steel strand wires, be nested with intermediate plate.
Further, the thickness of described bottom deck and upper padding plate is 2cm, and on bottom deck, perforate can supply pre-embedded bolt, reinforcing bar or setscrew etc. to pass fixing; Upper padding plate is that support jack is used; Described cushion block is that cross section is square hollow bloom.
Further, described steel strand wires are Φ 15.2 prestress wires.
Adopt after said structure, the utility model beneficial effect is: a kind of simple and easy withdrawal resistance pick-up unit described in the utility model, comprise bottom deck, several cushion blocks, upper padding plate, centre-hole jack and steel strand wires, centre-hole jack bottom is arranged on the surface of upper padding plate, and a cushion block is symmetricly set on the left and right sides of upper padding plate bottom surface; Steel strand wires one end is fixedly connected with the surface of bottom deck after the through hole through centre-hole jack inner chamber, upper padding plate successively, and the steel strand wires other end is stretched the top in and out of centre-hole jack; Centre-hole jack is the lifting jack of readable.When using the utility model, can remove by rapid-assembling, adopt the high strength of steel strand wires to detect built-in fitting, single steel strand can detect 260kN with interior withdrawal resistance.And testing tool cheap and simple, be applicable to large area and detect use.The utlity model has simple in structurely, arrange rationally, the advantage such as cost of manufacture is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Description of reference numerals:
1, built-in fitting; 2, bottom deck; 3, prop up cushion block; 4, upper padding plate;
5, centre-hole jack; 6, anchor block; 7, steel strand wires; 8, intermediate plate.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of simple and easy withdrawal resistance pick-up unit described in the utility model, comprise bottom deck 2, several cushion blocks 3, upper padding plate 4, centre-hole jack 5 and steel strand wires 7, centre-hole jack 5 bottoms are arranged on the surface of upper padding plate 4, and a cushion block 3 is symmetricly set on the left and right sides of upper padding plate 4 bottom surfaces; Steel strand wires 7 one end are fixedly connected with the surface of bottom deck 2 after the through hole through centre-hole jack 5 inner chambers, upper padding plate 4 successively, and steel strand wires 7 other ends are stretched the top in and out of centre-hole jack 5; The lifting jack that centre-hole jack 5 is readable.
As a kind of optimal way of the present utility model, the bottom of described centre-hole jack 5 and top are provided with the anchor block 6 matching with centre-hole jack 5, and steel strand wires 7 other ends are stretched the anchor block 6 in and out of centre-hole jack 5 tops.
As a kind of optimal way of the present utility model, between the anchor block 6 on described centre-hole jack 5 tops and steel strand wires 7, be nested with intermediate plate 8.
As a kind of optimal way of the present utility model, the thickness of described bottom deck 2 and upper padding plate 4 is 2cm, and on bottom deck 2, perforate can supply pre-embedded bolt, reinforcing bar or setscrew etc. to pass fixing; Upper padding plate 4 is that support jack is used; Described cushion block 3 for cross section be square hollow bloom.
As a kind of optimal way of the present utility model, described steel strand wires 7 are Φ 15.2 prestress wires.
During construction, built-in fitting 1 position of detecting as required, selects the fulcrum that can support in built-in fitting 1 both sides.7 one sections of steel strand wires are anchored on bottom deck 2, bottom deck 2 is installed on the built-in fitting 1 need detecting, tight a bolt (if reinforcing bar can directly weld, but the minimum exposed length of constructing after will noting retaining).A cushion block 3 is placed in both sides at built-in fitting 1, installs backing plate 3, and steel strand wires 7 are passed from upper padding plate 4, and anchor block 6, centre-hole jack 5 and intermediate plate 8 are installed; Oiling wanted by intermediate plate 8 so that dismounting.By centre-hole jack 5 access oil pumps, according to design pulling force, slowly pressurize, while reaching design pulling force, stop pressurization, check whether built-in fitting 1 has breakoff phenomenon.
Principle of work of the present utility model is by fluid pressure type centre-hole jack 5 jacking steel twisted wires 7, steel strand wires 7 one end are fixed on bottom deck 2, pulling force is delivered on built-in fitting 1 by bottom deck 2, if being designed pulling force, built-in fitting 1 do not pull, illustrate that built-in fitting 1 withdrawal resistance, by designing requirement, reaches the object of simple detection withdrawal resistance.
When using the utility model, can remove by rapid-assembling, adopt the high strength of steel strand wires to detect built-in fitting, single steel strand can detect 260kN with interior withdrawal resistance.And testing tool cheap and simple, be applicable to large area and detect use.In addition, this is simple in structure, reasonable in design, low cost of manufacture.
The above is only better embodiment of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (5)
1. a simple and easy withdrawal resistance pick-up unit, it is characterized in that: comprise bottom deck (2), several cushion blocks (3), upper padding plate (4), centre-hole jack (5) and steel strand wires (7), centre-hole jack (5) bottom is arranged on the surface of upper padding plate (4), and a cushion block (3) is symmetricly set on the left and right sides of upper padding plate (4) bottom surface; Steel strand wires (7) one end is fixedly connected with the surface of bottom deck (2) after the through hole through centre-hole jack (5) inner chamber, upper padding plate (4) successively, and steel strand wires (7) other end is stretched the top in and out of centre-hole jack (5).
2. a kind of simple and easy withdrawal resistance pick-up unit according to claim 1, it is characterized in that: the bottom of described centre-hole jack (5) and top are provided with the anchor block (6) matching with centre-hole jack (5), steel strand wires (7) other end is stretched the anchor block (6) in and out of centre-hole jack (5) top.
3. a kind of simple and easy withdrawal resistance pick-up unit according to claim 2, is characterized in that: between the anchor block (6) on described centre-hole jack (5) top and steel strand wires (7), be nested with intermediate plate (8).
4. a kind of simple and easy withdrawal resistance pick-up unit according to claim 1, is characterized in that: the thickness of described bottom deck (2) and upper padding plate (4) is 2cm.
5. a kind of simple and easy withdrawal resistance pick-up unit according to claim 1, is characterized in that: described steel strand wires (7) are Φ 15.2 prestress wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320609539.8U CN203502303U (en) | 2013-09-29 | 2013-09-29 | Simple pulling resistance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320609539.8U CN203502303U (en) | 2013-09-29 | 2013-09-29 | Simple pulling resistance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203502303U true CN203502303U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320609539.8U Expired - Fee Related CN203502303U (en) | 2013-09-29 | 2013-09-29 | Simple pulling resistance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203502303U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198239A (en) * | 2016-09-09 | 2016-12-07 | 山西省交通科学研究院 | A kind of pile-soil interface mechanics parameter method of testing |
| CN107121247A (en) * | 2017-05-19 | 2017-09-01 | 甘肃省交通科学研究院有限公司 | Unilateral tunnel blower supporting structure loading test apparatus and method |
-
2013
- 2013-09-29 CN CN201320609539.8U patent/CN203502303U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198239A (en) * | 2016-09-09 | 2016-12-07 | 山西省交通科学研究院 | A kind of pile-soil interface mechanics parameter method of testing |
| CN107121247A (en) * | 2017-05-19 | 2017-09-01 | 甘肃省交通科学研究院有限公司 | Unilateral tunnel blower supporting structure loading test apparatus and method |
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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: 20140326 Termination date: 20140929 |
|
| EXPY | Termination of patent right or utility model |