CN103792136A - Connecting device for drawing detection of expansion bolt special for suspended ceiling and detection method - Google Patents
Connecting device for drawing detection of expansion bolt special for suspended ceiling and detection method Download PDFInfo
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- CN103792136A CN103792136A CN201410069894.XA CN201410069894A CN103792136A CN 103792136 A CN103792136 A CN 103792136A CN 201410069894 A CN201410069894 A CN 201410069894A CN 103792136 A CN103792136 A CN 103792136A
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Abstract
The invention discloses a connecting device for drawing detection of an expansion bolt special for a suspended ceiling. The connecting device comprises a force transfer nut and a fixture, wherein the force transfer nut is matched with a full-silk suspender; the fixture is in a shape of a bottle cover and comprises an upper cover and a side wall; the distance between the force transfer nut and the floorboard is larger than the thickness of the upper cover; a first opening is formed from the center of the upper cover to an outer edge; a second opening is formed from an upper end face to a lower end face of the side wall; the first opening and the second opening are connected to form a full-silk suspender clamping groove; the force transfer nut is positioned below the upper cover and arranged in the center of the upper cover; the inner diameter of the fixture is larger than the outer diameter of the force transfer nut; the width of the first opening and the width of the second opening are larger than the diameter of the full-silk suspender; the width of the first opening is smaller than the outer diameter of the force transfer nut; an internal thread matched with an external thread of a hollow spiral lead screw is formed in an inner side wall of the fixture. The invention also discloses a detection method. The connecting device is labor-saving, safe and high in efficiency in the process of detecting the anti-drawing stress of the expansion bolt.
Description
Technical field
The present invention relates to coupling arrangement and detection method that a kind of expansion bolt special for suspended ceiling drawing detects.
Background technology
As shown in Figure 1, expansion bolt special for suspended ceiling 60 refers to the expansion bolt for furred ceiling, be make that airduct props up, hangs, a kind of special thread web member used on the fixing floorboard 50 of bracket.Expansion bolt special for suspended ceiling 60 is general main by full silk suspension rod 61, bulged tube 62, cone-shaped body 63 and nut 64 form, when use, must first on floorboard, get out the hole of corresponding size with electric impact drill (hammer), again full silk suspension rod 61, bulged tube 62, in cone-shaped body 63 load holes, screw nut 64, full silk suspension rod 61 is outwards moved, by moving axially of screw thread, cone-shaped body is drawn in to bulged tube 62, opening iron sheet in bulged tube 62 is by distending, produce expendable plastic yield, and then form very large normal pressure at the outer peripheral face of bulged tube 62, in addition the angle of cone-shaped body 63 is very little, thereby make floorboard 50, between bulged tube 62 and cone-shaped body 63, form friction self-locking, and then reach fixation.After expansion bolt 60 installations, nut 64 belongs to idle part.Expansion bolt 60 need to carry out overall tension pull out force and detect, when detection, need to use ancillary test frame 71, anchor rod drawing instrument 70, clip type fixture 80, full silk suspension rod 61, ancillary test frame 71 is arranged on floorboard 50, full silk suspension rod 61 to be detected passes ancillary test frame 71 and the lifting jack 72 through anchor rod drawing instrument 70, clip type fixture 80 is locked on full silk suspension rod 61 to be measured, pass to full silk suspension rod 61 for the pulling capacity that lifting jack 72 is produced, drive full silk suspension rod 61 to move to the direction away from fixture, the tension pull out force of the expansion bolt entirety recording shows from dynamometry display instrument 73.
But this kind of detection mode is directed to the expansion bolt special for suspended ceiling 60 being arranged on floorboard 50, has following shortcoming:
One, when installation and measuring, needs people for lifting ancillary test frame 71, lifting jack 72, and the lifting jack 72 equipment heavinesses of ancillary test frame 71 and anchor rod drawing instrument 70 comparatively expend operating personnel's muscle power;
They are two years old, furred ceiling detects and belongs to work high above the ground project with the tension pull out force of expansion bolt 60, need to provide job platform by jenny scaffold 90, traditional detection method needs three people to stand in compounding practice on jenny scaffold 90 simultaneously, one people is responsible for holding ancillary test frame 71, one people and is responsible for lifting lifting jack 72 and is arranged on full silk suspension rod 61 to be measured, also has an individual demand mounting clamp chip fixture 80, the stability of jenny scaffold 90 is difficult to guarantee, dangerous;
Its three, when detection, except above-noted persons, also need one start anchor rod drawing instrument 70, expend too many manpower;
Its four, lower for the furred ceiling oneself height of general hotel guest-room, the length of full silk suspension rod 61 used is less than the whole height of the lifting jack 72 of anchor rod drawing instrument 70, so just cannot detect, thereby have certain potential safety hazard.
They are five years old, clip type fixture 80 comprises tubular body 81, two intermediate plates 82, the inwall of described tubular body 81 is tapered, the less one end of tubular body 81 internal diameters is near lifting jack 72, it is consistent with the interior shape of tubular body 81 when described two intermediate plates 82 combine, two intermediate plates 82 after combination are plugged in tubular body 81, but be directed to the expansion bolt special for suspended ceiling 60 of installing on floorboard 50, the larger one end of tubular body 81 internal diameters is away from lifting jack 72, be one end that tubular body 81 internal diameters are larger down, in installation intermediate plate 82 processes, due to the self gravitation effect of intermediate plate 82, two intermediate plates 82 easily drop, affect the detection progress of tension pull out force.
Existing a Chinese invention patent, this patent of invention is open in 2011-09-21, and its publication number is 102192806A, and in this piece of patent of invention, tension rib can pass hollow screw leading screw, has advantages of that instrument is light, simple to operate.
Summary of the invention
For solving the problems of the technologies described above, the invention provides coupling arrangement and detection method that a kind of expansion bolt special for suspended ceiling drawing detects, in conjunction with disclosed enclosure wall bonding tendon detector, tension pull out force, the detection of assurance tension pull out force that have advantages of laborsaving, Environmental security while guaranteeing to detect, can detect the expansion bolt that the length of full silk suspension rod is less are carried out smoothly.
For achieving the above object, technical scheme of the present invention is as follows: the coupling arrangement that a kind of expansion bolt special for suspended ceiling drawing detects, for being mounted on expansion bolt and the drawing instrument on floorboard, described expansion bolt has full silk suspension rod, on described drawing instrument, there is hollow screw leading screw, described coupling arrangement comprises power transmission nut, jig, described power transmission nut mates with full silk suspension rod, described jig is bottle cap shape, described jig has upper cover and sidewall, distance between described power transmission nut and floorboard is greater than the thickness of upper cover, the center of described upper cover to outward flange offers the first opening, the upper surface of described sidewall to lower surface offers the second opening, described the first opening and the second opening join and form full silk suspension rod draw-in groove, described power transmission nut is positioned at the below of upper cover and the center in upper cover, the internal diameter of described jig is greater than the external diameter of power transmission nut, the width of the width of described the first opening and the second opening is all greater than the diameter of full silk suspension rod, the width of the first opening is less than the external diameter of power transmission nut, on the madial wall of described jig, be provided with the internal thread mating with the external thread of hollow screw leading screw.
Preferably, the width of described the first opening equates with the width of the second opening or the width of described the second opening is greater than the external diameter of power transmission nut.
Preferably, described expansion bolt comprises nut, and described power transmission nut is the nut in expansion bolt.
A kind of detection method, for detection of the tension pull out force that is arranged on the special expansion bolt entirety of furred ceiling on floorboard, step 1 is installed a power transmission nut on the full silk suspension rod that is fixed on the expansion bolt in floorboard; Step 2, upper and lower turn power transmission nut, until be adjusted to the distance between power transmission nut and floorboard the thickness that is greater than jig upper cover; Step 3, the full silk suspension rod draw-in groove of jig is aimed at full silk suspension rod, jig is hung on the power transmission nut of full silk suspension rod, and full silk suspension rod is moved to the center of jig; Step 4, installs drawing instrument in the lower surface of floorboard, the lower end of full silk suspension rod is penetrated in hollow screw leading screw, and the outer wall of hollow screw leading screw is connected with the inner thread of jig; Step 5, withstand floorboard with the counter-force support of drawing instrument, rotate rotating mechanism, rotating mechanism drive hollow screw leading screw and the jig being connected with hollow screw leading screw move down, the upper cover of jig pushes against power transmission nut, pulling capacity passes to full silk suspension rod by power transmission nut, and the tension pull out force that force cell bears expansion bolt entirety by dynamometry display instrument shows.
Preferably, described step 1 to the power transmission nut in step 5 is the nut in expansion bolt.
Adopt the beneficial effect of the technical program to be:
One, existing disclosed enclosure wall bonding tendon detector is applied in the present invention, also can be by existing insulation drawing instrument simple refit on market, change the solid screw in insulation drawing instrument into hollow screw leading screw, jig is connected drawing instrument with power transmission nut by hollow screw leading screw with expansion bolt, when detection, withstand floorboard with the counter-force support of drawing instrument, rotate rotating mechanism, rotating mechanism drive hollow screw leading screw and the jig being connected with hollow screw leading screw move down, the upper cover of jig pushes against power transmission nut, pulling capacity passes to full silk suspension rod by power transmission nut, the tension pull out force that force cell bears expansion bolt entirety by dynamometry display instrument shows, in the time that detection is arranged on the overall tension pull out force of the expansion bolt on floorboard, lift heavy lifting jack without personnel, comparatively laborsaving, the part that leaves unused can also be used,
Its two, in whole testing process, the number on jenny scaffold of standing in reduces, jenny scaffold is comparatively stable, has guaranteed the safety of testing environment;
Its three, use the detection method of anchor rod drawing instrument compared to tradition, the operating personnel's quantity that participates in detecting at least subtracts and is a half, and has further improved work efficiency;
They are four years old, even if the furred ceiling oneself height of hotel guest-room is lower, when the length of full silk suspension rod used is less than the height of lifting jack of anchor rod drawing instrument, also can carry out the detection of tension pull out force to expansion bolt, because the full silk suspension rod of expansion bolt to be detected is without passing lifting jack again, only come to be connected with drawing instrument by jig, guaranteed the security of the furred ceiling that oneself height is lower;
Its five, drawing instrument passes to power transmission nut by pulling capacity by jig, then passes to full silk suspension rod, can not use clip type fixture, thus the phenomenon of having avoided two intermediate plates to drop because of self gravitation in installation process occur, then guaranteed detection progress.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, to the accompanying drawing of required use in embodiment technical description be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation that carries out the detection of tension pull out force in prior art;
Fig. 2 is the structural representation of the present embodiment;
Fig. 3 is the stereographic map of jig in the present embodiment;
Fig. 4 is the vertical view of jig in the present embodiment;
Fig. 5 is the side view of jig in the present embodiment;
Fig. 6 is the upward view of jig in the present embodiment.
In figure:
10-floorboard; 20-expansion bolt; The full silk of 21-suspension rod; 22-power transmission nut; 30-jig; 31-upper cover; 32-sidewall; 33-the first opening; 34-the second opening; The full silk of 35-suspension rod draw-in groove; 40-drawing instrument; 41-hollow screw leading screw; 42-rotating mechanism; 43-counter-force support; 44-force cell; 45-dynamometry display instrument;
50-floorboard; 60-expansion bolt; The full silk of 61-suspension rod; 62-bulged tube; 63-cone-shaped body; 64-nut; 70-anchor rod drawing instrument; 71-ancillary test frame; 72-lifting jack; 73-dynamometry display instrument; 80-clip type fixture; 81-tubular body; 82-intermediate plate; 90-movable footrest.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Consult the coupling arrangement that a kind of expansion bolt special for suspended ceiling drawing shown in Fig. 2 to Fig. 6 detects, for being mounted on the expansion bolt 20 and drawing instrument 40 on floorboard 10, expansion bolt 20 has full silk suspension rod 21, on drawing instrument 40, there is hollow screw leading screw 41, coupling arrangement comprises power transmission nut 22, jig 30, power transmission nut 22 mates with full silk suspension rod 21, jig 30 is bottle cap shape, jig 30 has upper cover 31 and sidewall 32, distance between power transmission nut 22 and floorboard 10 is greater than the thickness of upper cover 31, upper cover 31 center to outward flange offers the first opening 33, the upper surface of sidewall 32 to lower surface offers the second opening 34, the first opening 33 and the second opening 34 join and form full silk suspension rod draw-in groove 35, power transmission nut 22 is positioned at the below of upper cover 31 and in upper cover 31 center, the internal diameter of jig 30 is greater than the external diameter of power transmission nut 22, the width of the width of the first opening 33 and the second opening 34 is all greater than the diameter of full silk suspension rod 21, the width of the first opening 33 is less than the external diameter of power transmission nut 22, on the madial wall of jig 30, be provided with the internal thread mating with the external thread of hollow screw leading screw 41.
Wherein, the width of the first opening 33 equates with the width of the second opening 34 or the width of the second opening 34 is greater than the external diameter of power transmission nut 22.If adopt the width of the first opening 33 to equate with the width of the second opening 34, only need, by jig 30 angle that tilts, jig 30 to be hung on the power transmission nut 22 of full suspension rod 21; And what adopt in the present embodiment is the external diameter that the width of the second opening 34 is greater than power transmission nut 22, and the width of the second opening 34 is slightly larger than the external diameter of power transmission nut 22, and power transmission nut 22, without angle of inclination, can put down card to stick in jig 30 like this, more convenient.
In the present embodiment, expansion bolt 20 comprises nut, and in the present embodiment, power transmission nut 22 is the nut in expansion bolt 20.After expansion bolt 20 installations, the nut in expansion bolt 20 belongs to idle part, if adopt the nut in expansion bolt 20, by the nut backspin in expansion bolt 20.Certainly, power transmission nut 22 can be also a newly-increased nut on the full silk suspension rod 21 of expansion bolt 20, and this newly-increased nut need to revolve from the bottom of full silk suspension rod 21.Compared to two kinds of modes, use the nut in expansion bolt 20 better because the part that can will leave unused uses, and by the nut backspin in expansion bolt 20 more for convenience.
Same as the prior art is, plate drawing instrument 40 also comprises rotating mechanism 42, counter-force support 43, force cell 44, dynamometry display instrument 45, counter-force support 43 is positioned at the lower surface of floorboard 10, the lower end of full silk suspension rod 21 and hollow screw leading screw 41 are through counter-force support 43, the lower end of full silk suspension rod 21 penetrates in hollow screw leading screw 41, force cell 44 is fixedly arranged in counter-force support 43, the top of force cell 44 proper backstop rotating mechanisms 42, dynamometry display instrument 45 is fixedly installed on counter-force support 43, and force cell 44 connects with dynamometry display instrument 45.
Existing disclosed enclosure wall bonding tendon detector is applied in the present embodiment, jig 30 is connected drawing instrument 40 with power transmission nut 22 by hollow screw leading screw 41 with expansion bolt 20, when detection, withstand floorboard 10 with the counter-force support 43 of drawing instrument 40, rotate rotating mechanism 42, rotating mechanism 42 drives hollow screw leading screw 41 and the jig 30 that is connected with hollow screw leading screw 41 moves down, the upper cover 31 of jig 30 pushes against power transmission nut 22, pulling capacity passes to full silk suspension rod 21 by power transmission nut 22, the tension pull out force that force cell 44 bears expansion bolt 20 entirety by dynamometry display instrument shows, in the time that detection is arranged on the overall tension pull out force of the expansion bolt 20 on floorboard 10, lift heavy lifting jack without personnel, comparatively laborsaving, the part that leaves unused can also be used, in whole testing process, the number on jenny scaffold of standing in reduces, and jenny scaffold is comparatively stable, has guaranteed the safety of testing environment, after installation, then turn rotating mechanism 42, can detect the tension pull out force of expansion bolt 20, the operating personnel's quantity that participates in detecting at least subtracts and is a half, and has further improved work efficiency, the full silk suspension rod 21 of expansion bolt 20 to be detected, is only connected with drawing instrument 40 by jig 30 through lifting jack without again, has guaranteed the security of the furred ceiling that oneself height is lower, can not use clip type fixture, thereby avoid two phenomenon appearance that intermediate plate drops because of self gravitation in installation process, then guarantee detection progress.
A kind of detection method, for detection of the tension pull out force that is arranged on special expansion bolt 20 entirety of furred ceiling on floorboard 10, step 1 is installed a power transmission nut 22 on the full silk suspension rod 21 that is fixed on the expansion bolt 20 in floorboard 10; Step 2, upper and lower turn power transmission nut 22, until be adjusted to by the distance between power transmission nut 22 and floorboard 10 thickness that is greater than jig 30 upper covers 31; Step 3, the full silk suspension rod draw-in groove 35 of jig 30 is aimed at full silk suspension rod 21, jig 30 is hung on the power transmission nut 22 of full silk suspension rod 21, and full silk suspension rod 21 is moved to jig 30 center; Step 4, installs drawing instrument 40 in the lower surface of floorboard 10, and the lower end of full silk suspension rod 21 penetrates in hollow screw leading screw, and the outer wall of hollow screw leading screw 41 is connected with the inner thread of jig 30; Step 5, withstand floorboard 10 with the counter-force support 43 of drawing instrument 40, rotate rotating mechanism 42, rotating mechanism 42 drives hollow screw leading screw 41 and the jig 30 that is connected with hollow screw leading screw 41 moves down, the upper cover 31 of jig 30 pushes against power transmission nut 22, pulling capacity passes to full silk suspension rod 21 by power transmission nut 22, and the tension pull out force that force cell 44 bears expansion bolt 20 entirety by dynamometry display instrument shows.
Equally, the step 1 in the present embodiment to the power transmission nut 22 in step 5 is the nut in expansion bolt 20.Can will leave unused part use, and by the nut backspin in expansion bolt 20 more for convenience.
Claims (5)
1. the coupling arrangement that expansion bolt special for suspended ceiling drawing detects, for being mounted on expansion bolt and the drawing instrument on floorboard, described expansion bolt has full silk suspension rod, on described drawing instrument, there is hollow screw leading screw, it is characterized in that: described coupling arrangement comprises power transmission nut, jig, described power transmission nut mates with full silk suspension rod, described jig is bottle cap shape, described jig has upper cover and sidewall, distance between described power transmission nut and floorboard is greater than the thickness of upper cover, the center of described upper cover to outward flange offers the first opening, the upper surface of described sidewall to lower surface offers the second opening, described the first opening and the second opening join and form full silk suspension rod draw-in groove, described power transmission nut is positioned at the below of upper cover and the center in upper cover, the internal diameter of described jig is greater than the external diameter of power transmission nut, the width of the width of described the first opening and the second opening is all greater than the diameter of full silk suspension rod, the width of the first opening is less than the external diameter of power transmission nut, on the madial wall of described jig, be provided with the internal thread mating with the external thread of hollow screw leading screw.
2. the coupling arrangement that a kind of expansion bolt special for suspended ceiling drawing according to claim 1 detects, is characterized in that: the width of described the first opening equates with the width of the second opening or the width of described the second opening is greater than the external diameter of power transmission nut.
3. the coupling arrangement that a kind of expansion bolt special for suspended ceiling drawing according to claim 1 detects, is characterized in that: described expansion bolt comprises nut, described power transmission nut is the nut in expansion bolt.
4. a detection method, for detection of the tension pull out force that is arranged on the special expansion bolt entirety of furred ceiling on floorboard, is characterized in that:
Step 1 is installed a power transmission nut on the full silk suspension rod that is fixed on the expansion bolt in floorboard;
Step 2, upper and lower turn power transmission nut, until be adjusted to the distance between power transmission nut and floorboard the thickness that is greater than jig upper cover;
Step 3, the full silk suspension rod draw-in groove of jig is aimed at full silk suspension rod, jig is hung on the power transmission nut of full silk suspension rod, and full silk suspension rod is moved to the center of jig;
Step 4, installs drawing instrument in the lower surface of floorboard, the lower end of full silk suspension rod is penetrated in hollow screw leading screw, and the outer wall of hollow screw leading screw is connected with the inner thread of jig;
Step 5, withstand floorboard with the counter-force support of drawing instrument, rotate rotating mechanism, rotating mechanism drive hollow screw leading screw and the jig being connected with hollow screw leading screw move down, the upper cover of jig pushes against power transmission nut, pulling capacity passes to full silk suspension rod by power transmission nut, and the tension pull out force that force cell bears expansion bolt entirety by dynamometry display instrument shows.
5. according to the detection method described in claim 4, it is characterized in that: described step 1 to the power transmission nut in step 5 is the nut in expansion bolt.
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| CN201410069894.XA CN103792136B (en) | 2014-02-27 | 2014-02-27 | The coupling arrangement that a kind of expansion bolt special for suspended ceiling drawing detects and detection method |
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| CN201410069894.XA CN103792136B (en) | 2014-02-27 | 2014-02-27 | The coupling arrangement that a kind of expansion bolt special for suspended ceiling drawing detects and detection method |
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| CN103792136B CN103792136B (en) | 2016-01-20 |
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| CN104297064A (en) * | 2014-10-27 | 2015-01-21 | 苏州金螳螂建筑装饰股份有限公司 | Bearing test device for base keel |
| CN105548001A (en) * | 2016-01-23 | 2016-05-04 | 北京航空航天大学 | Pipe seam type anchor rod on-site drawing force measurement device |
| CN108225943A (en) * | 2017-12-25 | 2018-06-29 | 同济大学 | A kind of floating biting connecions lateral spacing frame of fish belly shape that can prevent bentonite liner material aquation sample bulging |
| CN109238857A (en) * | 2018-11-09 | 2019-01-18 | 浙江天开实业有限公司 | A kind of expansion analog detection method and its test fixture |
| CN109520845A (en) * | 2018-10-23 | 2019-03-26 | 上海同济检测技术有限公司 | Assembled architecture sleeve connection node pulling check-up device |
| CN109632476A (en) * | 2018-11-22 | 2019-04-16 | 四川临界自动化设备有限公司 | A kind of connection structure of screw forces testing |
| CN110132738A (en) * | 2019-05-20 | 2019-08-16 | 中南大学 | A kind of anchor rod drawing force checking device |
| CN110595998A (en) * | 2019-10-22 | 2019-12-20 | 惠亚科技（苏州）有限公司 | Detection device for detecting fixed strength |
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| CN104297064A (en) * | 2014-10-27 | 2015-01-21 | 苏州金螳螂建筑装饰股份有限公司 | Bearing test device for base keel |
| CN105548001A (en) * | 2016-01-23 | 2016-05-04 | 北京航空航天大学 | Pipe seam type anchor rod on-site drawing force measurement device |
| CN105548001B (en) * | 2016-01-23 | 2018-11-27 | 北京航空航天大学 | A kind of pipe-seam type anchor rod scene drawing force measuring device |
| CN108225943A (en) * | 2017-12-25 | 2018-06-29 | 同济大学 | A kind of floating biting connecions lateral spacing frame of fish belly shape that can prevent bentonite liner material aquation sample bulging |
| CN108225943B (en) * | 2017-12-25 | 2020-06-02 | 同济大学 | Fish belly-shaped floating engagement type side limit frame capable of preventing hydration sample of bentonite liner material from swelling |
| CN109520845A (en) * | 2018-10-23 | 2019-03-26 | 上海同济检测技术有限公司 | Assembled architecture sleeve connection node pulling check-up device |
| CN109238857A (en) * | 2018-11-09 | 2019-01-18 | 浙江天开实业有限公司 | A kind of expansion analog detection method and its test fixture |
| CN109238857B (en) * | 2018-11-09 | 2023-12-26 | 浙江天开实业有限公司 | Expansion simulation test method and test fixture thereof |
| CN109632476A (en) * | 2018-11-22 | 2019-04-16 | 四川临界自动化设备有限公司 | A kind of connection structure of screw forces testing |
| CN110132738A (en) * | 2019-05-20 | 2019-08-16 | 中南大学 | A kind of anchor rod drawing force checking device |
| CN110595998A (en) * | 2019-10-22 | 2019-12-20 | 惠亚科技（苏州）有限公司 | Detection device for detecting fixed strength |
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