CN103792136B - The coupling arrangement that a kind of expansion bolt special for suspended ceiling drawing detects and detection method - Google Patents
The coupling arrangement that a kind of expansion bolt special for suspended ceiling drawing detects and detection method Download PDFInfo
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- CN103792136B CN103792136B CN201410069894.XA CN201410069894A CN103792136B CN 103792136 B CN103792136 B CN 103792136B CN 201410069894 A CN201410069894 A CN 201410069894A CN 103792136 B CN103792136 B CN 103792136B
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Abstract
The invention discloses the coupling arrangement that a kind of expansion bolt special for suspended ceiling drawing detects, comprise power transmission nut, jig, power transmission nut mates with full silk suspension rod, jig is bottle cap shape, jig has upper cover and sidewall, distance between power transmission nut and floorboard is greater than the thickness of upper cover, center to the outward flange of upper cover offers the first opening, upper surface to the lower surface of sidewall offers the second opening, first opening connects with the second opening and forms full silk suspension rod draw-in groove, power transmission nut is positioned at the below of upper cover and is in the center of upper cover, the internal diameter of jig is greater than the external diameter of power transmission nut, the width of the first opening and the width of the second opening are 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, the madial wall of jig is provided with the internal thread mated with the external thread of hollow screw leading screw, the invention also discloses a kind of detection method.The present invention is comparatively laborsaving when detecting the tension pull out force of expansion bolt, safety, efficiency are high.
Description
Technical field
The present invention relates to coupling arrangement and the detection method of a kind of expansion bolt special for suspended ceiling drawing detection.
Background technology
As shown in Figure 1, expansion bolt special for suspended ceiling 60 refers to the expansion bolt for furred ceiling, be airduct propped up, hang, bracket fixes a kind of special thread web member used on floorboard 50.Expansion bolt special for suspended ceiling 60 is general primarily of full silk suspension rod 61, bulged tube 62, cone-shaped body 63 and nut 64 form, during use, first must get out the hole of corresponding size on floorboard with electric impact drill (hammer), again full silk suspension rod 61, bulged tube 62, in cone-shaped body 63 load hole, tightening nut 64, make the outwards movement of full silk suspension rod 61, by moving axially of screw thread, cone-shaped body is drawn in 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, thus make floorboard 50, friction self-locking is formed between bulged tube 62 and cone-shaped body 63, and then reach fixation.After expansion bolt 60 installation, nut 64 belongs to idle part.Expansion bolt 60 needs to carry out overall tension pull out force and detects, need during detection 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 passes the lifting jack 72 of anchor rod drawing instrument 70, clip type fixture 80 is locked on full silk suspension rod 61 to be measured, pulling capacity for being produced by lifting jack 72 passes to full silk suspension rod 61, full silk suspension rod 61 is driven to move to the direction away from fixture, the tension pull out force of the expansion bolt entirety recorded shows from dynamometry display instrument 73.
But this kind of detection mode is directed to the expansion bolt special for suspended ceiling 60 be arranged on floorboard 50, has following shortcoming:
One, when installing detection, needs people for lifting ancillary test frame 71, lifting jack 72, and lifting jack 72 equipment of ancillary test frame 71 and anchor rod drawing instrument 70 is heavy, comparatively expends the muscle power of operating personnel;
They are two years old, the tension pull out force of furred ceiling expansion bolt 60 detects and belongs to work high above the ground project, 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, 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 ensure, dangerous;
Its three, during detection, except above-noted persons, also need one start anchor rod drawing instrument 70, expend too many manpower;
Its four, the furred ceiling oneself height for general hotel guest-room is lower, and 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, thus there is certain potential safety hazard.
They are five years old, clip type fixture 80 comprises tubular body 81, two panels intermediate plate 82, the inwall of described tubular body 81 is tapered, the less one end of tubular body 81 internal diameter is near lifting jack 72, it is consistent with the interior shape of tubular body 81 when described two panels intermediate plate 82 combines, two panels intermediate plate 82 after combination is plugged in tubular body 81, but be directed to the expansion bolt special for suspended ceiling 60 installed on floorboard 50, the larger one end of tubular body 81 internal diameter is away from lifting jack 72, namely one end that tubular body 81 internal diameter is larger down, in installation intermediate plate 82 process, due to the self gravitation effect of intermediate plate 82, two panels intermediate plate 82 easily drops, 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 section of patent of invention, tension rib can pass hollow screw leading screw, has the advantage 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 the detection method of a kind of expansion bolt special for suspended ceiling drawing detection, in conjunction with disclosed enclosure wall bonding tendon detector, there is laborsaving, Environmental security when ensureing to detect, can detect the tension pull out force of the less expansion bolt of the length of full silk suspension rod, guarantee tension pull out force detects the advantage of carrying 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 on floorboard and drawing instrument, described expansion bolt has full silk suspension rod, described drawing instrument has 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, center to the outward flange of described upper cover offers the first opening, upper surface to the lower surface of described sidewall offers the second opening, described first opening connects with the second opening and forms full silk suspension rod draw-in groove, described power transmission nut is positioned at the below of upper cover and is in the center of upper cover, the internal diameter of described jig is greater than the external diameter of power transmission nut, the width of described first opening and the width of the second opening are 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, the madial wall of described jig is provided with the internal thread mated with the external thread of hollow screw leading screw.
Preferably, the width of described first opening width that is equal with the width of the second opening or described 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 detecting the tension pull out force of the special expansion bolt entirety of the furred ceiling be arranged on floorboard, step one, the full silk suspension rod being fixed on the expansion bolt in floorboard installs a power transmission nut; Step 2, upper and lower turn power transmission nut, until be adjusted to the thickness being greater than jig upper cover by the distance between power transmission nut and floorboard; Step 3, the full silk suspension rod draw-in groove of jig aims at full silk suspension rod, is hung on by jig 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, is penetrated in hollow screw leading screw the lower end of full silk suspension rod, and be connected with the inner thread of jig by the outer wall of hollow screw leading screw; Step 5, floorboard is withstood with the counter-force support of drawing instrument, rotate rotating mechanism, rotating mechanism drive hollow screw leading screw and the jig be 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 expansion bolt entirety is born is shown by dynamometry display instrument by force cell.
Preferably, described step one to the power transmission nut in step 5 is the nut in expansion bolt.
The beneficial effect of employing the technical program is:
One, existing disclosed enclosure wall bonding tendon detector is applied in the present invention, also can by insulation drawing instrument simple refit existing on market, change the solid screw in insulation drawing instrument into hollow screw leading screw, drawing instrument is connected with expansion bolt with power transmission nut by hollow screw leading screw by jig, during detection, floorboard is withstood with the counter-force support of drawing instrument, rotate rotating mechanism, rotating mechanism drive hollow screw leading screw and the jig be 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 expansion bolt entirety is born is shown by dynamometry display instrument by force cell, when detecting the overall tension pull out force of the expansion bolt be arranged on floorboard, heavy lifting jack is lifted without the need to personnel, comparatively laborsaving, idle part can also be used,
Its two, in whole testing process, the number on jenny scaffold of standing in reduces, and jenny scaffold is comparatively stable, ensure that the safety of testing environment;
Its three, use the detection method of anchor rod drawing instrument compared to tradition, the operating personnel's quantity participating in detecting at least reduces half, further increases 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 the lifting jack of anchor rod drawing instrument, also the detection of tension pull out force can be carried out to expansion bolt, because the full silk suspension rod of expansion bolt to be detected is without the need to passing lifting jack again, be connected with drawing instrument by means of only jig, ensure that the security of the furred ceiling that oneself height is lower;
Its five, pulling capacity is passed to power transmission nut by jig by drawing instrument, then passes to full silk suspension rod, can not use clip type fixture, thus avoids the phenomenon that two panels intermediate plate drops because of self gravitation in installation process and occur, then ensure that detection progress.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation carrying 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 suspension rod of 21-; 22-power transmission nut; 30-jig; 31-upper cover; 32-sidewall; 33-first opening; 34-second opening; 35-full silk 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 suspension rod of 61-; 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, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained 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 expansion bolt on floorboard 10 20 and drawing instrument 40, expansion bolt 20 has full silk suspension rod 21, drawing instrument 40 has 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 in 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, center to the outward flange of upper cover 31 offers the first opening 33, upper surface to the lower surface of sidewall 32 offers the second opening 34, first opening 33 connects with the second opening 34 and forms full silk suspension rod draw-in groove 35, power transmission nut 22 is positioned at the below of upper cover 31 and is in the center of upper cover 31, the internal diameter of jig 30 is greater than the external diameter of power transmission nut 22, the width of the first opening 33 and the width of the second opening 34 are 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, the madial wall of jig 30 is provided with the internal thread mated with the external thread of hollow screw leading screw 41.
Wherein, the width of the first opening 33 width that is equal with the width of the second opening 34 or the second opening 34 is greater than the external diameter of power transmission nut 22.If adopt the width of the first opening 33 equal with the width of the second opening 34, then only need jig 30 to tilt an angle, jig 30 can be hung on the power transmission nut 22 of full silk 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 such power transmission nut 22 is without the need to angle of inclination, and can put down card sticks in jig 30, 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 installation, 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 also can be a nut newly-increased on the full silk suspension rod 21 of expansion bolt 20, and this newly-increased nut needs 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 idle part can be used, 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 the proper backstop rotating mechanism 42 of force cell 44, 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, drawing instrument 40 is connected with expansion bolt 20 with power transmission nut 22 by hollow screw leading screw 41 by jig 30, during detection, floorboard 10 is withstood 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 expansion bolt 20 entirety is born is shown by dynamometry display instrument by force cell 44, when detecting the overall tension pull out force of the expansion bolt 20 be arranged on floorboard 10, heavy lifting jack is lifted without the need to personnel, comparatively laborsaving, idle part can also be used, in whole testing process, the number stood on jenny scaffold reduces, and jenny scaffold is comparatively stable, ensure that the safety of testing environment, after installation, then turn rotating mechanism 42, the tension pull out force of expansion bolt 20 can be detected, the operating personnel's quantity participating in detecting at least reduces half, further increases work efficiency, the full silk suspension rod 21 of expansion bolt 20 to be detected, without the need to again through lifting jack, is connected with drawing instrument 40 by means of only jig 30, ensure that the security of the furred ceiling that oneself height is lower, clip type fixture can not be used, thus avoid the phenomenon that two panels intermediate plate drops because of self gravitation in installation process and occur, then ensure that detection progress.
A kind of detection method, for detecting the tension pull out force of special expansion bolt 20 entirety of the furred ceiling be arranged on floorboard 10, step one, the full silk suspension rod 21 of the expansion bolt 20 be fixed in floorboard 10 installs a power transmission nut 22; Step 2, upper and lower turn power transmission nut 22, until be adjusted to the thickness being greater than jig 30 upper cover 31 by the distance between power transmission nut 22 and floorboard 10; Step 3, the full silk suspension rod draw-in groove 35 of jig 30 aims at full silk suspension rod 21, is hung on by jig 30 on the power transmission nut 22 of full silk suspension rod 21, and full silk suspension rod 21 is moved to the center of jig 30; Step 4, install drawing instrument 40 in the lower surface of floorboard 10, the lower end of full silk suspension rod 21 penetrates in hollow screw leading screw, and is connected by the inner thread of the outer wall of hollow screw leading screw 41 with jig 30; Step 5, floorboard 10 is withstood 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 expansion bolt 20 entirety is born is shown by dynamometry display instrument by force cell 44.
Equally, the step one in the present embodiment to the power transmission nut 22 in step 5 is the nut in expansion bolt 20.Idle part can be used, and by the nut backspin in expansion bolt 20 more for convenience.
Claims (5)
1. the coupling arrangement of an expansion bolt special for suspended ceiling drawing detection, for being mounted on expansion bolt on floorboard and drawing instrument, described expansion bolt has full silk suspension rod, described drawing instrument has 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, center to the outward flange of described upper cover offers the first opening, upper surface to the lower surface of described sidewall offers the second opening, described first opening connects with the second opening and forms full silk suspension rod draw-in groove, described power transmission nut is positioned at the below of upper cover and is in the center of upper cover, the internal diameter of described jig is greater than the external diameter of power transmission nut, the width of described first opening and the width of the second opening are 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, the madial wall of described jig is provided with the internal thread mated with the external thread of hollow screw leading screw.
2. the coupling arrangement of a kind of expansion bolt special for suspended ceiling drawing detection according to claim 1, is characterized in that: the width of described first opening width that is equal with the width of the second opening or described second opening is greater than the external diameter of power transmission nut.
3. the coupling arrangement of a kind of expansion bolt special for suspended ceiling drawing detection according to claim 1, it is characterized in that: described expansion bolt comprises nut, described power transmission nut is the nut in expansion bolt.
4. a detection method, for detecting the tension pull out force of the special expansion bolt entirety of the furred ceiling be arranged on floorboard, is characterized in that:
Step one, the full silk suspension rod being fixed on the expansion bolt in floorboard installs a power transmission nut;
Step 2, upper and lower turn power transmission nut, until be adjusted to the thickness being greater than jig upper cover by the distance between power transmission nut and floorboard;
Step 3, the full silk suspension rod draw-in groove of jig aims at full silk suspension rod, is hung on by jig 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, is penetrated in hollow screw leading screw the lower end of full silk suspension rod, and be connected with the inner thread of jig by the outer wall of hollow screw leading screw;
Step 5, floorboard is withstood with the counter-force support of drawing instrument, rotate rotating mechanism, rotating mechanism drive hollow screw leading screw and the jig be 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 expansion bolt entirety is born is shown by dynamometry display instrument by force cell.
5. detection method according to claim 4, is characterized in that: described step one 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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| CN103792136A CN103792136A (en) | 2014-05-14 |
| CN103792136B true CN103792136B (en) | 2016-01-20 |
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| 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 |
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