CN203534875U - Road surface crack pouring material binding power measuring test specimen forming and stretching clamping device - Google Patents
Road surface crack pouring material binding power measuring test specimen forming and stretching clamping device Download PDFInfo
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- CN203534875U CN203534875U CN201320625328.3U CN201320625328U CN203534875U CN 203534875 U CN203534875 U CN 203534875U CN 201320625328 U CN201320625328 U CN 201320625328U CN 203534875 U CN203534875 U CN 203534875U
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Abstract
The utility model relates to a road surface crack pouring material binding power measuring test specimen forming and stretching clamping device. According to the technical scheme, the road surface crack pouring material binding power measuring test specimen forming and stretching clamping device is composed of a test specimen forming tool and a stretching clamping tool, wherein a clamping baffle, an extruding cube block and a partition block of the test specimen forming tool can form a simulating crack; the stretching clamping tool comprises a pull rod, a supporting frame, clamping plates, springs and adjustable bolts, the upper surface of the supporting frame is provided with the two clamping plates, the outer sides of the clamping plates are connected with the adjustable bolts through the springs, the top of the supporting frame is provided with the pull rod, and the pull rod and the supporting frame can move along the vertical direction. The road surface crack pouring material binding power measuring test specimen forming and stretching clamping device provided by the utility model has the beneficial effects that the structure is simple and practicable, the use is convenient, a test specimen manufactured by the forming tool can preferably simulate the crack of a practical road surface, the parameters such as length-width ratio and depth-to-width ratio of the crack are conveniently changed, the stretching clamping tool enables the test specimen to be subjected to the balance stress in stretching, and a measuring result is exact; the efficiency of a binding power measuring test is greatly improved because of the combination of the test specimen forming tool and the stretching clamping tool, and accuracy and reliability of an experiment result are guaranteed.
Description
Technical field
The utility model relates to a kind of technical field of highway maintenance technology device, and particularly a kind of pavement seam filling material cohesive force is measured specimen molding and stretching clamping device.
Background technology
Along with being gradually improved of highway transportation network, the emphasis of highway construction changes maintenance, the repairing to existing road into gradually from design, the construction of newly-built road, and preventive maintenance can effectively extend the serviceable life on road surface.Quantity research shows greatly, and cementation of fissures crack sealing is a kind of punishment mode of benefit-cost ratio optimum in the preventive maintenance measure of all road surfaces.At present, pavement seam filling technology is approved by various places road maintenance department as a kind of effective preventive maintenance measure, and is widely applied.Filling cut of asphaltum road surface material mainly comprises that heat use pitch class, colod-application pitch class and proprietary material class, and wherein colod-application pitch class is owing to having without advantages such as heating, energy-conserving and environment-protective, easy constructions, becomes the trend that recent domestic gap-grouting material develops.Adhesive property is an important indicator evaluating gap-grouting material quality, but lacks the relevant criterion of evaluating cold (normal temperature) gap-grouting material performance both at home and abroad at present, lacks method and the instrument of evaluating cementation of fissures material adhesive property.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, provide a kind of pavement seam filling material cohesive force to measure specimen molding and stretching clamping device, object is to provide a kind of implementation tool easily for measuring the cohesive force of pavement seam filling material, shaping jig can be made into asphalt test block or cement concrete test block, thereby simulation bituminous pavement or cement pavement crack, gap-grouting material is made cohesive force mensuration test specimen after pouring into simulation fracture curing molding, stretching clamping device can facilitate and the stressed test block that stretches equably, thereby the cohesive force of accurate Fast Measurement gap-grouting material.
Its technical scheme is: specimen molding instrument and stretching clamping device two parts, consist of, described specimen molding instrument comprises fixed base plate, baffle plate, clamping baffle plate and spacer block, one side of described fixed base plate is provided with a plurality of vertical columns, bottom is provided with fishbolt, clamp baffle plate, outstanding cubic block and spacer block and form cube groove, by the setting of spacer block, make to take out spacer block after asphalt mixture block or cement concrete formation of lots and form simulation fracture; Described stretching clamping device comprises pull bar, carriage, clamping plate, spring, adjusting bolt, the upper surface of described carriage is provided with two clamping plates, the outside of clamping plate connects adjusting bolt by spring, and the top of carriage is provided with pull bar, and pull bar and carriage vertically move.
Above-mentioned vertical columns adopts rivet to be connected with fixed base plate.
Above-mentioned clamping baffle plate and outstanding cubic block adopt welding, both clamp after in conjunction with rear formation dividing plate.
The beneficial effects of the utility model are: it is simple for structure, easy to use, and the test specimen that shaping jig is made can be simulated actual pavement crack preferably, can change easily the parameter such as length breadth ratio, depth-to-width ratio in crack; Stress balance when stretching clamping device stretches test specimen, measurement result is accurate; Both combine to use and can greatly improve the efficiency of cohesive force determination test, and have guaranteed that experimental result accurately and reliably.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of specimen molding instrument of the present utility model;
Accompanying drawing 2 is structural representations of fixed base plate of the present utility model;
Accompanying drawing 3 is structural drawing of clamping baffle plate of the present utility model;
Accompanying drawing 4 is structural drawing of stretching clamping device of the present utility model;
In upper figure: fixed base plate 1, baffle plate 2, vertical columns 3, fishbolt 4, clamping baffle plate 5, outstanding cubic block 6, spacer block 7, pull bar 8, carriage 9, clamping plate 10, spring 11, adjusting bolt 12.
Embodiment
1-4 by reference to the accompanying drawings, the utility model will be further described:
The utility model is comprised of specimen molding instrument and stretching clamping device two parts, described specimen molding instrument comprises fixed base plate 1, baffle plate 2, clamps baffle plate 5 and spacer block 7, one side of described fixed base plate 1 is provided with a plurality of vertical columns 3, bottom is provided with fishbolt 4, clamp baffle plate 5, outstanding cubic block 6 and spacer block 7 and form cube groove, by the setting of spacer block 7, make to take out spacer block after asphalt mixture block or cement concrete formation of lots and form simulation fracture; Described stretching clamping device comprises pull bar 8, carriage 9, clamping plate 10, spring 11, adjusting bolt 12, the upper surface of described carriage 9 is provided with two clamping plates 10, the outside of clamping plate 10 connects adjusting bolt 12 by spring 11, the top of carriage 9 is provided with pull bar 8, and pull bar 8 vertically moves with carriage 9.
Wherein, vertical columns 3 adopts rivet to be connected with fixed base plate 1; Above-mentioned clamping baffle plate 5 adopts welding with outstanding cubic block 6, both clamp after in conjunction with rear formation dividing plate 7.
The thick 5mm of fixed base plate 1 steel plate, long 250mm, wide 150mm, vertical columns 3 diameter 8mm, high 40mm, as shown in Figure 3, the long 145mm of clamping baffle plate 5 of shaping jig, thick 2mm, the outstanding thick 20mm of cubic block 6, high 40mm, the thick 20mm of spacer block 7, high 40mm, both clamp after in conjunction with rear formation dividing plate.
As shown in Figure 4, it is aluminum material that cohesive force is measured test specimen stretching clamping device one-piece construction, and pull bar 8 is cylindric, long 100mm, diameter 15mm, the long 242mm of carriage (9), high 80mm, thick 40mm, the long 236mm of inner openwork part, high 75mm, thick 40mm, pull bar 8 can vertically move up and down with carriage 9, the long 235mm of clamping plate 10, wide 40mm, thick 2mm, clamping plate 10 is provided with perforate and is connected by coupling bolt 12 with spring 11, regulates coupling bolt 12 can control the degree of clamping.
Principle of work of the present utility model is:
The one, in shaping jig, be provided with spacer block, after baffle plate to be clamped clamps, outstanding cubic block and spacer block form dividing plate jointly, dividing plate and baffle plate, clamping baffle plate surround rectangular parallelepiped groove, asphalt or cement concrete can be poured into wherein, after maintenance moulding, spacer block can be taken out and forms simulation fracture, gap-grouting material is poured in simulation fracture, after maintenance moulding, make cohesive force and measure test specimen.Setting just because of spacer block, make to take out spacer block after asphalt mixture block or cement concrete formation of lots and form simulation fracture, and the parameters such as the length breadth ratio of simulation fracture, depth-to-width ratio can be arranged by spacer block size, make gap-grouting material cohesive force measure the preparation time and labour saving of test specimen, can, according to the length breadth ratio in spacer block size design crack, depth-to-width ratio etc., simulate comparatively accurately actual crack;
The 2nd, in stretching clamping device, be provided with clamping plate, make cohesive force measure test specimen horizontal direction on carriage and be fixed well, do not produce all around and slide, guaranteed stressed evenly, while breaking, the test block of breakage can landing;
The 3rd, sample dimensions prepared by cohesive force mensuration specimen molding instrument can fit like a glove with stretching clamping device, and both combine to use and greatly improve the efficiency of cohesive force determination test, and have guaranteed that experimental result accurately and reliably.
Claims (3)
1. a pavement seam filling material cohesive force is measured specimen molding and stretching clamping device, it is characterized in that: by specimen molding instrument and stretching clamping device two parts, formed, described specimen molding instrument comprises fixed base plate (1), baffle plate (2), clamp baffle plate (5) and spacer block (7), one side of described fixed base plate (1) is provided with a plurality of vertical columns (3), bottom is provided with fishbolt (4), clamp baffle plate (5), outstanding cubic block (6) and spacer block (7) form cube groove, by the setting of spacer block (7), make to take out spacer block after asphalt mixture block or cement concrete formation of lots and form simulation fracture, described stretching clamping device comprises pull bar (8), carriage (9), clamping plate (10), spring (11), adjusting bolt (12), the upper surface of described carriage (9) is provided with two clamping plates (10), the outside of clamping plate (10) connects adjusting bolt (12) by spring (11), the top of carriage (9) is provided with pull bar (8), and pull bar (8) vertically moves with carriage (9).
2. a kind of pavement seam filling material cohesive force according to claim 1 is measured specimen molding and stretching clamping device, it is characterized in that: described vertical columns (3) adopts rivet to be connected with fixed base plate (1).
3. a kind of pavement seam filling material cohesive force according to claim 1 is measured specimen molding and stretching clamping device, it is characterized in that: described clamping baffle plate (5) adopts welding with outstanding cubic block (6), after both clampings in conjunction with rear formation dividing plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320625328.3U CN203534875U (en) | 2013-10-11 | 2013-10-11 | Road surface crack pouring material binding power measuring test specimen forming and stretching clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320625328.3U CN203534875U (en) | 2013-10-11 | 2013-10-11 | Road surface crack pouring material binding power measuring test specimen forming and stretching clamping device |
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| CN203534875U true CN203534875U (en) | 2014-04-09 |
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| CN201320625328.3U Expired - Fee Related CN203534875U (en) | 2013-10-11 | 2013-10-11 | Road surface crack pouring material binding power measuring test specimen forming and stretching clamping device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236964A (en) * | 2013-06-08 | 2014-12-24 | 青岛理工大学 | Mold for concrete axial tension test piece and rod piece pre-embedding method by using the mold |
| CN104713825A (en) * | 2015-03-31 | 2015-06-17 | 山东大学 | Method and device for testing interlayer fracture energy of asphalt pavement structure |
| CN106198223A (en) * | 2016-08-18 | 2016-12-07 | 江苏恒神股份有限公司 | Tensile test device based on honeycomb bonding |
| CN106781894A (en) * | 2015-03-13 | 2017-05-31 | 郭淑华 | One kind teaching tensile test apparatus |
| CN108195756A (en) * | 2018-03-06 | 2018-06-22 | 廊坊市阳光建设工程质量检测有限公司 | The chucking device and its application process of mortar specimen in thermal insulation mortar cohesion test |
| CN111307544A (en) * | 2020-02-21 | 2020-06-19 | 中铁第四勘察设计院集团有限公司 | Experimental method for simulating rail joint diseases |
-
2013
- 2013-10-11 CN CN201320625328.3U patent/CN203534875U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236964A (en) * | 2013-06-08 | 2014-12-24 | 青岛理工大学 | Mold for concrete axial tension test piece and rod piece pre-embedding method by using the mold |
| CN104236964B (en) * | 2013-06-08 | 2016-08-17 | 青岛理工大学 | Concrete axial is to tensile test specimen mould and the rod member built-in process that uses this mould |
| CN106781894A (en) * | 2015-03-13 | 2017-05-31 | 郭淑华 | One kind teaching tensile test apparatus |
| CN106781894B (en) * | 2015-03-13 | 2019-07-02 | 南京牧信科技有限公司 | A kind of teaching tensile test apparatus |
| CN104713825A (en) * | 2015-03-31 | 2015-06-17 | 山东大学 | Method and device for testing interlayer fracture energy of asphalt pavement structure |
| CN106198223A (en) * | 2016-08-18 | 2016-12-07 | 江苏恒神股份有限公司 | Tensile test device based on honeycomb bonding |
| CN108195756A (en) * | 2018-03-06 | 2018-06-22 | 廊坊市阳光建设工程质量检测有限公司 | The chucking device and its application process of mortar specimen in thermal insulation mortar cohesion test |
| CN111307544A (en) * | 2020-02-21 | 2020-06-19 | 中铁第四勘察设计院集团有限公司 | Experimental method for simulating rail joint diseases |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20141011 |
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| EXPY | Termination of patent right or utility model |