CN104266906A - Pull-out test device for lined PVC (polyvinyl chloride) sheet of reinforced concrete drainage pipe - Google Patents
Pull-out test device for lined PVC (polyvinyl chloride) sheet of reinforced concrete drainage pipe Download PDFInfo
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- CN104266906A CN104266906A CN201410545099.3A CN201410545099A CN104266906A CN 104266906 A CN104266906 A CN 104266906A CN 201410545099 A CN201410545099 A CN 201410545099A CN 104266906 A CN104266906 A CN 104266906A
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- reinforced concrete
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Abstract
The invention provides a pull-out test device for a lined PVC (polyvinyl chloride) sheet of a reinforced concrete drainage pipe. The device comprises a support, a chuck, a lifting hook, a pulling assembly and a tension meter, wherein the pulling assembly comprises a base, a rotary sleeve, a vertical lifting screw rod, a second positioning pin and a plurality of first positioning pins; a through hole penetrating through the upper end surface and the lower end surface is formed in the base; the rotary sleeve is arranged in the through hole of the base in a sleeving manner; the upper part of the rotary sleeve extends out of the through hole; an annular groove is formed in the lower part of the outer wall of the rotary sleeve; a plurality of first positioning holes are formed in the upper part of the side wall of the base; the plurality of first positioning pins penetrate through the first positioning holes respectively to extend into the groove; the lifting screw rod is matched with the rotary sleeve; a guide groove is formed in the side wall of the lifting screw rod; a second positioning hole is formed in the lower part of the side wall of the base; the second positioning pin penetrates through the second positioning hole to extend into the guide groove of the lifting screw rod; the support and the base are fixedly connected; the lower end of the screw rod is fixed with the upper end of the tension meter; and the chuck is fixed at the lower end of the lifting hook. The pull-out test device has the benefits and the technical effects as follows: the structure is simple and the measurement effect is accurate.
Description
Technical field
The present invention relates to a kind of pull-out test device, specifically a kind of tested steel reinforced concrete drainage pipe lined with PVC sheets pull-out test device.
Background technology
The reinforced concrete sewer pipe of lined with PVC sheets is commonly used in the blowoff line of municipal works, the reinforced concrete sewer pipe of lined with PVC sheets is when quality inspection, need the pull-out test doing reinforced concrete sewer pipe lined with PVC sheets, namely key pull strength is fixed to lined with PVC sheets and detects.
Corresponding above-mentioned test adopts pull-out test device, it comprises support, stay cord, chuck, pull lever and counterweight, pull lever is hinged on support, the front end of pull lever is connected with chuck by stay cord, the rear suspension of pull lever has counterweight, by stentplacement in reinforced concrete sewer pipe, cutting is attached at the PVC sheet of reinforced concrete sewer pipe inwall, the PVC sheet of chuck correspondence clamping cutting, counterweight is utilized to apply acting force to pull lever, the PVC sheet of cutting is subject to acting force that chuck applies pre-sizing, and then intensity detection is carried out to the retainingf key of PVC sheet.
But common pull-out test bulking block is more, volume large, and measurement effect is forbidden.
Summary of the invention
Technical matters to be solved by this invention is to provide that a kind of structure is simple, the pull-out test device of measurement effect reinforced concrete sewer pipe lined with PVC sheets accurately.
For solving the problems of the technologies described above, the invention provides a kind of pull-out test device of reinforced concrete sewer pipe lined with PVC sheets, comprise support, chuck and suspension hook, chuck is fixed on suspension hook lower end, it also comprises lift assembly and tautness meter, lift assembly is fixedly connected on support, and lower end and the suspension hook upper end of tautness meter are fixed;
Described lift assembly comprises base, rotary sleeve, vertical elevating screw, second register pin and some first register pins, base has the through hole running through upper and lower end face, rotary sleeve is sleeved in the through hole of base, the top of rotary sleeve is stretched out outside through hole, the outer wall bottom of rotary sleeve has the groove of annular, the side wall upper part of base has some first pilot holes, the first pilot hole that some first register pins are each passed through base corresponding stretches in groove, the screw-internal thread fit of elevating screw and rotary sleeve, elevating screw sidewall in axial direction has gathering sill, the lower sidewall of base has the second pilot hole, second register pin stretches in the gathering sill of elevating screw through base second pilot hole, be fixedly connected with between support with base, the lower end of screw mandrel and the upper end of tautness meter are fixed.
After adopting such structure, moving up and down of elevating screw is rotarily driven by rotary sleeve, and then drive chuck to the PVC sheet effect pulling force upwards of cutting, the numerical value of pulling force shows on tautness meter, when the size of pulling force arrives predetermined value, complete the pull-out test of reinforced concrete sewer pipe lined with PVC sheets.
Advantageous Effects of the present invention is: structure is simple, measurement effect is accurate.
Technology contents for a more clear understanding of the present invention, below by the pull-out test device of this reinforced concrete sewer pipe lined with PVC sheets referred to as this device.
The rotary sleeve top of this device is fixedly connected with two dwangs; After adopting such structure, be convenient to the manipulation of rotary sleeve.
The support of this device comprises the cross bar of connecting link, two hounds and two levels, the upper end of two hounds is fixedly connected with the base outer wall of lift assembly respectively, the lower end of two hounds is corresponding to be respectively connected with cross bar, is fixed between two cross bars by connecting link; After adopting such structure, make the more reasonable structure of support.
The chuck of this device comprises cramping body, two backing plates and two housing screws, cramping body lower surface has the notch that two run through its front/rear end, two backing plates coordinate with two notches respectively, the cramping body left and right sides has collet threaded hole, two housing screws coordinate with corresponding collet threaded hole respectively, and each housing screw correspondence is resisted against on backing plate.
After adopting such structure, the PVC sheet of cutting is placed in the notch of cramping body, the PVC sheet of cutting is between backing plate and the sidewall of notch respectively, screw two housing screws, and then drive the PVC sheet of the monolithic extruded cutting of backing plate, reach the object gripped; Make the clamping effect of chuck better.
Accompanying drawing explanation
Fig. 1 is the structural representation of this device embodiment.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural representation of this device embodiment lift assembly.
Fig. 4 is the using state figure of this device embodiment chuck.
Embodiment
As shown in Figures 1 to 4
This device comprises support 2, chuck 5, lift assembly 1, tautness meter 3 and suspension hook 4.
Lift assembly 1 comprises base 11, the rotary sleeve 12 of hollow shaft-like, vertical elevating screw 14, second register pin 15 and two the first register pins 13, base 11 has the through hole 11a running through upper and lower end face, rotary sleeve 12 is sleeved in the through hole 11a of base 11, the lower end of rotary sleeve 12 is coordinated by thrust ball bearing 12a with between base 11, the top of rotary sleeve 12 is stretched out outside through hole 11a, rotary sleeve 12 side wall upper part has two rotation holes, two dwang 12c one end respectively with corresponding rotation hole threaded engagement, the outer wall bottom of rotary sleeve 12 has the groove 12d of annular, the side wall upper part of base 11 has two the first pilot hole 11b, two the first register pins 13 respectively with the first corresponding pilot hole 11b threaded engagement, and two the first register pins 13 stretch in groove 12d respectively, restriction rotary sleeve 12 can only can rotate by respect thereto 11,
The screw-internal thread fit of elevating screw 14 and rotary sleeve 12, elevating screw 14 is successively through rotary sleeve 12 and base 11, elevating screw 14 sidewall has gathering sill 14a along the axial direction of elevating screw 14, the corresponding gathering sill 14a position of lower sidewall of base 11 has the second pilot hole 11c, second register pin 15 and the second corresponding pilot hole 11c threaded engagement, and the second register pin 15 stretches in the gathering sill 14a of elevating screw 14, restriction elevating screw 14 can only move up and down.
Support 2 comprises the cross bar 22 of connecting link 23, two hounds 21 and two levels, the upper end of two hounds 21 is welded with base 11 outer wall respectively, the lower end of two hounds 21 is corresponding respectively welds with in the middle part of cross bar 22, keeping parallelism between two cross bars 22, is fixed by connecting link 23 between two cross bars 22.
Pull and support on tautness meter 3 has end 31 and under pull and support end 32, tautness meter 3 pulls and supports end 31 hinged with the lower end of elevating screw 14, tautness meter pulls and supports end 32 3 times and is hung with suspension hook 4.
Bottom and the chuck 5 of suspension hook 4 are connected and fixed, chuck 5 comprises cramping body 51, two backing plates 54, suspension ring 52 and two housing screws 55, cramping body 51 is roughly rectangular-shaped, cramping body 51 upper surface has threaded hole, suspension ring 52 bottom coordinates with the threaded hole of cramping body 51, suspension hook 4 bottom hangs on suspension ring 52, cramping body 51 lower surface has the notch 53 that two run through its front/rear end, two backing plates 54 coordinate with two notches 53 respectively, cramping body 51 left and right sides has the collet threaded hole 51a communicated with corresponding notch, two housing screws 55 respectively with corresponding collet threaded hole 51a threaded engagement, and each housing screw 55 correspondence is resisted against on backing plate 54.
During use, first the PVC sheet 6 of cutting is placed in the notch 53 of cramping body 51, the PVC sheet 6 of cutting is between the sidewall of backing plate 54 and notch 53 respectively, screws two housing screws 55, and then drive the PVC sheet 6 of the monolithic extruded cutting of backing plate 54, reach the object gripped;
Operation rotation hole dwang 12c driven rotary cover 12 rotates, and rotary sleeve 12 drives elevating screw 14 to move up, and then strains the chuck 5 be on the downside of elevating screw 14, until when the reading on tautness meter 3 reaches predetermined value, stop the rotation;
If in this process, chuck 5 drives the retainingf key 61 in PVC sheet 6 to depart from reinforced concrete sewer pipe 7 inwall, then the anti-drawing strength of above-mentioned reinforced concrete sewer pipe 7 lined with PVC sheets retainingf key 61 is defective; Otherwise, qualified.
Above-described is only one embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, can also make some modification and improvement, and these also should be considered as belonging to protection scope of the present invention.
Claims (4)
1. the pull-out test device of a reinforced concrete sewer pipe lined with PVC sheets, comprise support, chuck and suspension hook, chuck is fixed on suspension hook lower end, it is characterized by: it also comprises lift assembly and tautness meter, lift assembly is fixedly connected on support, lower end and the suspension hook upper end of tautness meter are fixed, and the upper end of tautness meter is fixed with lift assembly;
Described lift assembly comprises base, rotary sleeve, vertical elevating screw, second register pin and some first register pins, base has the through hole running through upper and lower end face, rotary sleeve is sleeved in the through hole of base, the top of rotary sleeve is stretched out outside through hole, the outer wall bottom of rotary sleeve has the groove of annular, the side wall upper part of base has some first pilot holes, the first pilot hole that some first register pins are each passed through base corresponding stretches in groove, the screw-internal thread fit of elevating screw and rotary sleeve, elevating screw sidewall in axial direction has gathering sill, the lower sidewall of base has the second pilot hole, second register pin stretches in the gathering sill of elevating screw through base second pilot hole, be fixedly connected with between support with base, the lower end of screw mandrel and the upper end of tautness meter are fixed.
2. the pull-out test device of reinforced concrete sewer pipe lined with PVC sheets according to claim 1, is characterized in that: described rotary sleeve top is fixedly connected with two dwangs.
3. the pull-out test device of reinforced concrete sewer pipe lined with PVC sheets according to claim 1, it is characterized in that: support comprises the cross bar of connecting link, two hounds and two levels, the upper end of two hounds is fixedly connected with the base outer wall of lift assembly respectively, the lower end of two hounds is corresponding to be respectively connected with cross bar, is fixed between two cross bars by connecting link.
4. the pull-out test device of reinforced concrete sewer pipe lined with PVC sheets according to claim 1, it is characterized in that: chuck comprises cramping body, two backing plates and two housing screws, cramping body lower surface has the notch that two run through its front/rear end, two backing plates coordinate with two notches respectively, the cramping body left and right sides has collet threaded hole, two housing screws coordinate with corresponding collet threaded hole respectively, and each housing screw correspondence is resisted against on backing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410545099.3A CN104266906B (en) | 2014-10-15 | 2014-10-15 | The pull-out test device of reinforced concrete sewer pipe lined with PVC sheets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410545099.3A CN104266906B (en) | 2014-10-15 | 2014-10-15 | The pull-out test device of reinforced concrete sewer pipe lined with PVC sheets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104266906A true CN104266906A (en) | 2015-01-07 |
| CN104266906B CN104266906B (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410545099.3A Active CN104266906B (en) | 2014-10-15 | 2014-10-15 | The pull-out test device of reinforced concrete sewer pipe lined with PVC sheets |
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| Country | Link |
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| CN (1) | CN104266906B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466779A (en) * | 2016-01-06 | 2016-04-06 | 上海理工大学 | Pull-out testing and measuring device suitable for universal machine |
| CN106442140A (en) * | 2016-11-29 | 2017-02-22 | 广东技术师范学院 | High precision type drainage pipe strength detection device |
| CN108106936A (en) * | 2017-12-18 | 2018-06-01 | 中国矿业大学 | The anchor pole rope working performance test device and method of fracturation and absciss layer are simulated based on electromagnetic action |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201653801U (en) * | 2010-03-13 | 2010-11-24 | 昆山市建设工程质量检测中心 | Detector for tension-connecting rib of cladding wall |
| JP2013181925A (en) * | 2012-03-02 | 2013-09-12 | Daido Steel Co Ltd | Torsion test device |
| CN103454156A (en) * | 2012-05-28 | 2013-12-18 | 富泰华工业（深圳）有限公司 | Drawing force testing mechanism and drawing force testing method |
| CN203824834U (en) * | 2014-04-14 | 2014-09-10 | 苏州运宏电子有限公司 | Slider chuck of tension tester |
-
2014
- 2014-10-15 CN CN201410545099.3A patent/CN104266906B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201653801U (en) * | 2010-03-13 | 2010-11-24 | 昆山市建设工程质量检测中心 | Detector for tension-connecting rib of cladding wall |
| JP2013181925A (en) * | 2012-03-02 | 2013-09-12 | Daido Steel Co Ltd | Torsion test device |
| CN103454156A (en) * | 2012-05-28 | 2013-12-18 | 富泰华工业（深圳）有限公司 | Drawing force testing mechanism and drawing force testing method |
| CN203824834U (en) * | 2014-04-14 | 2014-09-10 | 苏州运宏电子有限公司 | Slider chuck of tension tester |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466779A (en) * | 2016-01-06 | 2016-04-06 | 上海理工大学 | Pull-out testing and measuring device suitable for universal machine |
| CN106442140A (en) * | 2016-11-29 | 2017-02-22 | 广东技术师范学院 | High precision type drainage pipe strength detection device |
| CN108106936A (en) * | 2017-12-18 | 2018-06-01 | 中国矿业大学 | The anchor pole rope working performance test device and method of fracturation and absciss layer are simulated based on electromagnetic action |
| CN108106936B (en) * | 2017-12-18 | 2019-03-22 | 中国矿业大学 | Anchor pole rope working performance test device and method based on electromagnetic action simulation fracturation and absciss layer |
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| Publication number | Publication date |
|---|---|
| CN104266906B (en) | 2017-07-21 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Pull-out test device for lined PVC (polyvinyl chloride) sheet of reinforced concrete drainage pipe Effective date of registration: 20171101 Granted publication date: 20170721 Pledgee: Bengbu financing guarantee Group Co., Ltd. Pledgor: Anhui Fangda Cement Products Co., Ltd. Registration number: 2017340000320 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190104 Granted publication date: 20170721 Pledgee: Bengbu financing guarantee Group Co., Ltd. Pledgor: Anhui Fangda Cement Products Co., Ltd. Registration number: 2017340000320 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Pull-out test device for lined PVC (polyvinyl chloride) sheet of reinforced concrete drainage pipe Effective date of registration: 20191223 Granted publication date: 20170721 Pledgee: Bengbu financing guarantee Group Co., Ltd. Pledgor: Anhui Fangda Cement Products Co., Ltd. Registration number: Y2019990000787 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |