CN104948879A - Anti-theft method for outdoor power equipment and embedded anti-theft bolt device for power equipment - Google Patents
Anti-theft method for outdoor power equipment and embedded anti-theft bolt device for power equipment Download PDFInfo
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- CN104948879A CN104948879A CN201510308191.2A CN201510308191A CN104948879A CN 104948879 A CN104948879 A CN 104948879A CN 201510308191 A CN201510308191 A CN 201510308191A CN 104948879 A CN104948879 A CN 104948879A
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Abstract
The invention discloses an anti-theft method for outdoor power equipment and an embedded anti-theft bolt device for the power equipment. The anti-theft method for the outdoor power equipment comprises the steps that 1, a screw pipe is screwed into a screw hole in a fixing plate, and the screw pope is made to be placed on the horizontal ground through fixing of a nut and is parallel to the ground, the lower end of the screw pipe is blocked through a rubber plug, and cement is poured below the fixing plate; 2, the fixing plate is taken down after the cement is solidified, the power equipment is placed on a cement pouring body so as to enable a base screw hole of the power equipment to be align to a screw pipe hole, a bolt is screwed into the base screw hole and the screw pipe, and the movable wall of the bolt is located in a shell after the bolt is screwed; 3, a hinge pin is inserted into the bolt and makes contact with a lug of the movable wall, the lower end of the hinge pin is of a conical structure and squeezes the movable wall out to be clamped in the shell, the hinge pin continues to be hit into the bolt till the hinge pin is completely inserted in the bolt, and the lower end of the bolt is stretched open by the hinge pin so that the diameter of the lower end of the bolt is larger than that of the bolt. In this way, the power equipment can be prevented from being stolen, and the corrosion resistance of the embedded bolt is high.
Description
Technical field
The present invention relates to power equipment burglary-resisting installation technical field, particularly a kind of theft preventing method of outdoor power equipment and the pre-buried antitheft bolt device of power equipment.
Background technique
When in prior art, power equipment is installed, need to be connected with concrete pedestal by pre-embedded bolt, the base of power equipment passes pre-embedded bolt and passes through nut compressing.Its deficiency of said method is: 1) bolt is through plant bottom case, nut is easily dismantled by thief, also the bolt spilling base can be cut away, be bolted on concrete pedestal, even if be provided with the screw thread matched with bolt in the through hole of base, because equipment quality is large, and equipment needs many places to fix, the base of power equipment can not be fixed by screw thread with bolt, and equipment easily goes adrift.2) adopt traditional pre-embedded bolt, because power equipment is in outdoor, general use 1 year after just seriously corroded, pre-embedded bolt intensity reduces greatly, and power equipment easily collapses, especially even more serious in coastal area.
Summary of the invention
The present invention in order to solve the problems of the technologies described above is: the theft preventing method and the pre-buried antitheft bolt device of power equipment that provide a kind of outdoor power equipment, can prevent power equipment stolen, and pre-embedded bolt corrosion resistance and good.
Technical solution of the present invention is: a kind of theft preventing method of outdoor power equipment, comprises the following steps:
1) screwed pipe is screwed in the screw on fixed plate, and fixedly makes screwed pipe be placed on level ground upper mounted plate and ground level by nut, screwed pipe lower end rubber stopper is blocked, under cement is cast in fixed plate;
2) after theing cement solidifies, take off fixed plate, power equipment is placed on cement casting body and the base screw of power equipment is alignd with screwed pipe hole, be screwed into by bolt in base screw and screwed pipe, the removable wall tightening rear bolt is positioned at housing;
3) by bearing pin inserting bolt, the bump contact of bearing pin and removable wall, bearing pin lower end is that removable wall is extruded away holding in housing by cone structure, continues bearing pin to pound until in the complete inserting bolt of bearing pin in bolt, and bolt lower end struts and makes the diameter of bolt lower end be greater than bolt by bearing pin.
The pre-buried antitheft bolt device of a kind of power equipment, comprise the screwed pipe be located in cement casting body, be positioned at the power equipment base that bolt that screwed pipe is threaded with it is connected with bolt thread, described screwed pipe is provided with the holding mechanism preventing screws.
Described holding mechanism comprises the housing being arranged on and building rear formation stop groove outside screwed pipe for cement, and described bolt is hollow structure, is provided with bearing pin in described bolt, and the wall of described bolt is provided with for snapping in groove the removable wall preventing screws.
Described removable wall is provided with is convenient to bearing pin by the projection of outside for removable wall jack-up.
Described bearing pin lower end is cone structure.
Described pre-embedded bolt device adopts stainless steel material to make.
Outside thread is provided with outside described screwed pipe.
The chemical composition mass percent of described stainless steel material is: C:0.16 ~ 0.18%, Si:1.16 ~ 1.18%, Mn:2.80 ~ 3.20%, P≤0.012%, S≤0.012%, Cr:7.5 ~ 8.5%, Re:0.02 ~ 0.08%, surplus Fe and inevitable impurity.
The chemical composition mass percent of described stainless steel material is: C:0.16 ~ 0.18%, Si:1.16 ~ 1.18%, Mn:2.90 ~ 3.10%, P≤0.012%, S≤0.012%, Cr:7.8 ~ 8.5%, Re:0.04 ~ 0.06%, surplus Fe and inevitable impurity.
The present invention in use, power equipment is prevented on concrete pedestal, after the tapped hole of plant bottom case and screwed pipe hole are adjusted, bolt is screwed in the tapped hole of plant bottom case, bolt enters in tapped hole and screwed pipe successively, cut away by the nut of bolt even if steal after tighting a bolt, because base is connected with bolt thread, equipment still can not be stolen by thief.Described holding mechanism comprises and is arranged on that screwed pipe is outer builds rear is formationed stop groove for cement, described bolt is hollow structure, bearing pin is provided with in described bolt, the wall of described bolt is provided with for snapping in groove the removable wall preventing screws, described removable wall is provided with is convenient to bearing pin by the projection of outside for removable wall jack-up, the cap body of described bolt is provided with the label of removable wall, concrete pedestal is provided with for marking the lower label stopping groove, be positioned at when making removable wall protruding when rotating bolt and stop groove, bearing pin enters in bolt, the part of removable wall snaps in and stops in groove by extrusion lug, prevent screws.Further, be provided with secondary holding mechanism bottom screwed pipe, described secondary holding mechanism comprises the projection being arranged at bottom in screwed pipe, and screwed pipe lower end is strutted by projection by bearing pin, can prevent bolt from exiting.Screw rod adopts hollow structure on the other hand, and arranges the tensile strength that bearing pin can improve screw rod greatly in screw rod.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described:
Fig. 1 is structural representation of the present invention.
Embodiment
Embodiment 1: as shown in Figure 1, and a kind of theft preventing method of outdoor power equipment, comprises the following steps:
1) screwed pipe is screwed in the screw on fixed plate, and fixedly makes screwed pipe be placed on level ground upper mounted plate and ground level by nut, screwed pipe lower end rubber stopper is blocked, under cement is cast in fixed plate;
2) after theing cement solidifies, take off fixed plate, power equipment is placed on cement casting body and the base screw of power equipment is alignd with screwed pipe hole, be screwed into by bolt in base screw and screwed pipe, the removable wall tightening rear bolt is positioned at housing;
3) by bearing pin inserting bolt, the bump contact of bearing pin and removable wall, bearing pin lower end is that removable wall is extruded away holding in housing by cone structure, continues bearing pin to pound until in the complete inserting bolt of bearing pin in bolt, and bolt lower end struts and makes the diameter of bolt lower end be greater than bolt by bearing pin.
The pre-buried antitheft bolt device of a kind of power equipment, comprise the screwed pipe 4 be located in cement casting body 8, be positioned at bolt 3 that screwed pipe 4 is threaded with it and the power equipment base 9 that bolt 3 is threaded, described screwed pipe 4 is provided with the holding mechanism preventing screws.
Described holding mechanism comprises the housing 1 being arranged on and building rear formation stop groove 7 outside screwed pipe for cement, described bolt 3 is hollow structure, be provided with bearing pin 2 in described bolt 3, the wall of described bolt 3 is provided with for snapping in the removable wall 6 stopping and prevent bolt 3 from rotating in groove 7.
Described removable wall 6 is provided with is convenient to bearing pin by the projection 5 of outside for removable wall jack-up.
Described bearing pin 2 lower end is cone structure.
The chemical composition mass percent of described stainless steel material is: C:0.16%, Si:1.16%, Mn:2.80%, P≤0.012%, S≤0.012%, Cr:7.5%, Re:0.02%, surplus Fe and inevitable impurity.
The present invention in use, power equipment is prevented on concrete pedestal, after the tapped hole of plant bottom case and screwed pipe hole are adjusted, bolt is screwed in the tapped hole of plant bottom case, bolt enters in tapped hole and screwed pipe successively, cut away by the nut of bolt even if steal after tighting a bolt, because base is connected with bolt thread, equipment still can not be stolen by thief.Described holding mechanism comprises and is arranged on that screwed pipe is outer builds rear is formationed stop groove for cement, described bolt is hollow structure, bearing pin is provided with in described bolt, the wall of described bolt is provided with for snapping in groove the removable wall preventing screws, described removable wall is provided with is convenient to bearing pin by the projection of outside for removable wall jack-up, the cap body of described bolt is provided with the label of removable wall, concrete pedestal is provided with for marking the lower label stopping groove, be positioned at when making removable wall protruding when rotating bolt and stop groove, bearing pin enters in bolt, the part of removable wall snaps in and stops in groove by extrusion lug, prevent screws.Further, be provided with secondary holding mechanism bottom screwed pipe, described secondary holding mechanism comprises the projection being arranged at bottom in screwed pipe, and screwed pipe lower end is strutted by projection by bearing pin, can prevent bolt from exiting.Screw rod adopts hollow structure on the other hand, and arranges the tensile strength that bearing pin can improve screw rod greatly in screw rod.
Embodiment 2: as shown in Figure 1, and a kind of theft preventing method of outdoor power equipment, comprises the following steps:
1) screwed pipe is screwed in the screw on fixed plate, and fixedly makes screwed pipe be placed on level ground upper mounted plate and ground level by nut, screwed pipe lower end rubber stopper is blocked, under cement is cast in fixed plate;
2) after theing cement solidifies, take off fixed plate, power equipment is placed on cement casting body and the base screw of power equipment is alignd with screwed pipe hole, be screwed into by bolt in base screw and screwed pipe, the removable wall tightening rear bolt is positioned at housing;
3) by bearing pin inserting bolt, the bump contact of bearing pin and removable wall, bearing pin lower end is that removable wall is extruded away holding in housing by cone structure, continues bearing pin to pound until in the complete inserting bolt of bearing pin in bolt, and bolt lower end struts and makes the diameter of bolt lower end be greater than bolt by bearing pin.
The pre-buried antitheft bolt device of a kind of power equipment, comprise the screwed pipe 4 be located in cement casting body 8, be positioned at bolt 3 that screwed pipe 4 is threaded with it and the power equipment base 9 that bolt 3 is threaded, described screwed pipe 4 is provided with the holding mechanism preventing screws.
Described holding mechanism comprises the housing 1 being arranged on and building rear formation stop groove 7 outside screwed pipe for cement, described bolt 3 is hollow structure, bearing pin 2 is provided with in described bolt 3, the wall of described bolt 3 is provided with for snapping in the removable wall 6 stopping and prevent bolt 3 from rotating in groove 7, the door shape removable wall that removable wall is formed after cutting U-shaped hole by cutting machine on screw rod.
Described removable wall 6 is provided with is convenient to bearing pin by the projection 5 of outside for removable wall jack-up.
Described bearing pin 2 lower end is cone structure.
The chemical composition mass percent of described stainless steel material is: C:0.18%, Si:1.18%, Mn:3.20%, P≤0.012%, S≤0.012%, Cr:8.5%, Re:0.08%, surplus Fe and inevitable impurity.
Embodiment 3: as shown in Figure 1, the pre-buried antitheft bolt device of a kind of power equipment, comprise the screwed pipe 4 be located in cement casting body 8, be positioned at bolt 3 that screwed pipe 4 is threaded with it and the power equipment base 9 that bolt 3 is threaded, described screwed pipe 4 is provided with the holding mechanism preventing screws.
Described holding mechanism comprises the housing 1 being arranged on and building rear formation stop groove 7 outside screwed pipe for cement, described bolt 3 is hollow structure, bearing pin 2 is provided with in described bolt 3, the wall of described bolt 3 is provided with for snapping in the removable wall 6 stopping and prevent bolt 3 from rotating in groove 7, the door shape removable wall that removable wall is formed after cutting U-shaped hole by cutting machine on screw rod.
Described removable wall 6 is provided with is convenient to bearing pin by the projection 5 of outside for removable wall jack-up.
Described bearing pin 2 lower end is cone structure.
The chemical composition mass percent of described stainless steel material is: C:0.16%, Si:1.16%, Mn:2.90%, P≤0.012%, S≤0.012%, Cr:7.8%, Re:0.04%, surplus Fe and inevitable impurity.
In use, two tong arms are strutted by the nut on hold-down bolt, be stuck on the clamping bolt cap of damper, snap on clamping bolt by bolt hole clipping by the nut hole clipping of tong arm in the present invention, and loosen nut two tong arms are clipped on clamping bolt; Play auxiliary pressuring action, avoid damper slippage, come off, through in the multiple section test that comes off, use this device to observe 2 years dampers and do not find once to loosen.Further, described tong arm is provided with tong arm fixed mechanism, described tong arm fixed mechanism comprises several grooves be arranged on outside tong arm and the compressing tablet be sleeved on clamping bolt, described compressing tablet is provided with the positioning block with groove match, nut installed by clamping bolt, and the projection on compressing tablet snaps in the groove of tong arm, can better be pressed on damper by tong arm, through in the multiple section test that comes off, use this device to observe 4 years dampers and do not find once to loosen.Described bolt is provided with spring pad, prevents nut from loosening; Described nut hole clipping is hexagonal structure, and nut hole clipping is sleeved on nut and prevents nut from loosening, and described bolt hole clipping is U-shaped structure, is convenient to install tong arm.
Embodiment 4: as shown in Figure 1, and a kind of theft preventing method of outdoor power equipment, comprises the following steps:
1) screwed pipe is screwed in the screw on fixed plate, and fixedly makes screwed pipe be placed on level ground upper mounted plate and ground level by nut, screwed pipe lower end rubber stopper is blocked, under cement is cast in fixed plate;
2) after theing cement solidifies, take off fixed plate, power equipment is placed on cement casting body and the base screw of power equipment is alignd with screwed pipe hole, be screwed into by bolt in base screw and screwed pipe, the removable wall tightening rear bolt is positioned at housing;
3) by bearing pin inserting bolt, the bump contact of bearing pin and removable wall, bearing pin lower end is that removable wall is extruded away holding in housing by cone structure, continues bearing pin to pound until in the complete inserting bolt of bearing pin in bolt, and bolt lower end struts and makes the diameter of bolt lower end be greater than bolt by bearing pin.
The pre-buried antitheft bolt device of a kind of power equipment, comprise the screwed pipe 4 be located in cement casting body 8, be positioned at bolt 3 that screwed pipe 4 is threaded with it and the power equipment base 9 that bolt 3 is threaded, described screwed pipe 4 is provided with the holding mechanism preventing screws.
Described holding mechanism comprises the housing 1 being arranged on and building rear formation stop groove 7 outside screwed pipe for cement, described bolt 3 is hollow structure, bearing pin 2 is provided with in described bolt 3, the wall of described bolt 3 is provided with for snapping in the removable wall 6 stopping and prevent bolt 3 from rotating in groove 7, the door shape removable wall that removable wall is formed after cutting U-shaped hole by cutting machine on screw rod.
Described removable wall 6 is provided with is convenient to bearing pin by the projection 5 of outside for removable wall jack-up.
Described bearing pin 2 lower end is cone structure.
The chemical composition mass percent of described stainless steel material is: C:0.18%, Si:1.18%, Mn:3.10%, P≤0.012%, S≤0.012%, Cr:8.3%, Re:0.06%, surplus Fe and inevitable impurity.
In use, two tong arms are strutted by the nut on hold-down bolt, be stuck on the clamping bolt cap of damper, snap on clamping bolt by bolt hole clipping by the nut hole clipping of tong arm in the present invention, and loosen nut two tong arms are clipped on clamping bolt; Play auxiliary pressuring action, avoid damper slippage, come off, through in the multiple section test that comes off, use this device to observe 2 years dampers and do not find once to loosen.Further, described tong arm is provided with tong arm fixed mechanism, described tong arm fixed mechanism comprises several grooves be arranged on outside tong arm and the compressing tablet be sleeved on clamping bolt, described compressing tablet is provided with the positioning block with groove match, nut installed by clamping bolt, and the projection on compressing tablet snaps in the groove of tong arm, can better be pressed on damper by tong arm, through in the multiple section test that comes off, use this device to observe 4 years dampers and do not find once to loosen.Described bolt is provided with spring pad, prevents nut from loosening; Described nut hole clipping is hexagonal structure, and nut hole clipping is sleeved on nut and prevents nut from loosening, and described bolt hole clipping is U-shaped structure, is convenient to install tong arm.
Embodiment 5: as shown in Figure 1, and a kind of theft preventing method of outdoor power equipment, comprises the following steps:
1) screwed pipe is screwed in the screw on fixed plate, and fixedly makes screwed pipe be placed on level ground upper mounted plate and ground level by nut, screwed pipe lower end rubber stopper is blocked, under cement is cast in fixed plate;
2) after theing cement solidifies, take off fixed plate, power equipment is placed on cement casting body and the base screw of power equipment is alignd with screwed pipe hole, be screwed into by bolt in base screw and screwed pipe, the removable wall tightening rear bolt is positioned at housing;
3) by bearing pin inserting bolt, the bump contact of bearing pin and removable wall, bearing pin lower end is that removable wall is extruded away holding in housing by cone structure, continues bearing pin to pound until in the complete inserting bolt of bearing pin in bolt, and bolt lower end struts and makes the diameter of bolt lower end be greater than bolt by bearing pin.
The pre-buried antitheft bolt device of a kind of power equipment, comprise the screwed pipe 4 be located in cement casting body 8, be positioned at bolt 3 that screwed pipe 4 is threaded with it and the power equipment base 9 that bolt 3 is threaded, described screwed pipe 4 is provided with the holding mechanism preventing screws.
Described holding mechanism comprises the housing 1 being arranged on and building rear formation stop groove 7 outside screwed pipe for cement, described bolt 3 is hollow structure, bearing pin 2 is provided with in described bolt 3, the wall of described bolt 3 is provided with for snapping in the removable wall 6 stopping and prevent bolt 3 from rotating in groove 7, the door shape removable wall that removable wall is formed after cutting U-shaped hole by cutting machine on screw rod.
Described removable wall 6 is provided with is convenient to bearing pin by the projection 5 of outside for removable wall jack-up.
Described bearing pin 2 lower end is cone structure.
The chemical composition mass percent of described stainless steel material is: C:0.17%, Si:1.17%, Mn:3.00%, P≤0.012%, S≤0.012%, Cr:8.0%, Re:0.05%, surplus Fe and inevitable impurity.
The present invention in use, power equipment is prevented on concrete pedestal, after the tapped hole of plant bottom case and screwed pipe hole are adjusted, bolt is screwed in the tapped hole of plant bottom case, bolt enters in tapped hole and screwed pipe successively, cut away by the nut of bolt even if steal after tighting a bolt, because base is connected with bolt thread, equipment still can not be stolen by thief.Described holding mechanism comprises and is arranged on that screwed pipe is outer builds rear is formationed stop groove for cement, described bolt is hollow structure, bearing pin is provided with in described bolt, the wall of described bolt is provided with for snapping in groove the removable wall preventing screws, described removable wall is provided with is convenient to bearing pin by the projection of outside for removable wall jack-up, the cap body of described bolt is provided with the label of removable wall, concrete pedestal is provided with for marking the lower label stopping groove, be positioned at when making removable wall protruding when rotating bolt and stop groove, bearing pin enters in bolt, the part of removable wall snaps in and stops in groove by extrusion lug, prevent screws.Further, be provided with secondary holding mechanism bottom screwed pipe, described secondary holding mechanism comprises the projection being arranged at bottom in screwed pipe, and screwed pipe lower end is strutted by projection by bearing pin, can prevent bolt from exiting.Screw rod adopts hollow structure on the other hand, and arranges the tensile strength that bearing pin can improve screw rod greatly in screw rod.
Comparative example 1: adopt this device that in prior art, disclosed in CN200810100275.7, stainless steel material is made.
Comparative example 2: adopt this device that in prior art, disclosed in CN200880109889.X, stainless steel material is made.
Chromium is element main in stainless steel, it is the important element that steel obtains rustless property, corrosion resistance, need in prior art to add a large amount of chromium, guarantee steel has good stainless steel corrosion resistance, suitable rhenium is added to regulate firm thermoplasticity in prior art, appropriate rhenium is added in invention of the present invention, chromium in rhenium and chromium stainless steel plate plays synergy, stainless decay resistance can be improved significantly, what is more important can improve the stability of steel, be not easy with acid or alkali matter that it reacts, ensure stainless performance.The mechanics of 7 embodiments, corrosion resistance and using effect data are in table 1.Wherein the test(ing) medium of pitting potential Eb is 50 DEG C, the 0.5%NaCl aqueous solution; Carry out salt mist experiment according to GB10125-88, salt fog the temperature inside the box is 35 ± 2 DEG C, sprays continuously, observes the time t that rust spot appears in stanniferous ferrite stainless steel surface.The high temperature tensile strength of material adopts standard GB/T/T 4338-2006 " metallic material-high temperature tension test method "; The endurance limit intensity of material adopts standard GB/T/T 2039-1997 " metal stretching creep and endurance test method "; The high-temperature oxidation resistance of material adopts standard GB/T/T 13303-1991 " the oxidation resistance determining method of steel ".
Claims (6)
1. a theft preventing method for outdoor power equipment, is characterized in that: comprise the following steps:
1) screwed pipe is screwed in the screw on fixed plate, and fixedly makes screwed pipe be placed on level ground upper mounted plate and ground level by nut, screwed pipe lower end rubber stopper is blocked, under cement is cast in fixed plate;
2) after theing cement solidifies, take off fixed plate, power equipment is placed on cement casting body and the base screw of power equipment is alignd with screwed pipe hole, be screwed into by bolt in base screw and screwed pipe, the removable wall tightening rear bolt is positioned at housing;
3) by bearing pin inserting bolt, the bump contact of bearing pin and removable wall, bearing pin lower end is that removable wall is extruded away holding in housing by cone structure, continues bearing pin to pound until in the complete inserting bolt of bearing pin in bolt, and bolt lower end struts and makes the diameter of bolt lower end be greater than bolt by bearing pin.
2. the pre-buried antitheft bolt device of power equipment that the outdoor power theft protection for devices method in the claims 1 uses, it is characterized in that: the pre-buried antitheft bolt device of power equipment, comprise the screwed pipe be located in cement casting body, be positioned at the power equipment base that bolt that screwed pipe is threaded with it is connected with bolt thread, described screwed pipe is provided with the holding mechanism preventing screws.
3. the pre-buried antitheft bolt device of power equipment as described in claim 2, is characterized in that: removable wall is provided with is convenient to bearing pin by the projection of outside for removable wall jack-up.
4. the pre-buried antitheft bolt device of power equipment as described in claim 3, is characterized in that: bearing pin lower end is cone structure.
5. the pre-buried antitheft bolt device of power equipment as described in claim 4, is characterized in that: pre-embedded bolt device adopts stainless steel material to make.
6. the pre-buried antitheft bolt device of power equipment as described in claim 5, is characterized in that: be provided with outside thread outside screwed pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510308191.2A CN104948879B (en) | 2015-06-08 | 2015-06-08 | The theft preventing method of outdoor power equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510308191.2A CN104948879B (en) | 2015-06-08 | 2015-06-08 | The theft preventing method of outdoor power equipment |
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| CN104948879A true CN104948879A (en) | 2015-09-30 |
| CN104948879B CN104948879B (en) | 2017-10-20 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4655659A (en) * | 1984-08-01 | 1987-04-07 | Leemke Stuart H | Roofing fastener |
| WO2007093397A1 (en) * | 2006-02-14 | 2007-08-23 | Colin John Rouse | Attachment system |
| CN201363357Y (en) * | 2009-01-16 | 2009-12-16 | 高世超 | Ring table type antitheft screw and screwdriver |
| CN101974872A (en) * | 2010-10-14 | 2011-02-16 | 中铁三局集团有限公司 | Device and method for fixing track plate and cement emulsified asphalt slurry template |
| CN203462482U (en) * | 2013-05-21 | 2014-03-05 | 国家电网公司 | Universal foundation bolt fixing device |
| CN203821429U (en) * | 2013-09-26 | 2014-09-10 | 国家电网公司 | Preburied bolt installation fixing apparatus of electrical equipment |
| CN204344620U (en) * | 2014-12-23 | 2015-05-20 | 温州市胜隆标准件制造有限公司 | Theftproof self-locking type tapping screw |
-
2015
- 2015-06-08 CN CN201510308191.2A patent/CN104948879B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4655659A (en) * | 1984-08-01 | 1987-04-07 | Leemke Stuart H | Roofing fastener |
| WO2007093397A1 (en) * | 2006-02-14 | 2007-08-23 | Colin John Rouse | Attachment system |
| CN201363357Y (en) * | 2009-01-16 | 2009-12-16 | 高世超 | Ring table type antitheft screw and screwdriver |
| CN101974872A (en) * | 2010-10-14 | 2011-02-16 | 中铁三局集团有限公司 | Device and method for fixing track plate and cement emulsified asphalt slurry template |
| CN203462482U (en) * | 2013-05-21 | 2014-03-05 | 国家电网公司 | Universal foundation bolt fixing device |
| CN203821429U (en) * | 2013-09-26 | 2014-09-10 | 国家电网公司 | Preburied bolt installation fixing apparatus of electrical equipment |
| CN204344620U (en) * | 2014-12-23 | 2015-05-20 | 温州市胜隆标准件制造有限公司 | Theftproof self-locking type tapping screw |
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| CN104948879B (en) | 2017-10-20 |
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Effective date of registration: 20170816 Address after: 510640 Guangdong City, Tianhe District Province, No. five, road, public education building, unit 371-1, unit 2401 Applicant after: Guangdong Gaohang Intellectual Property Operation Co., Ltd. Address before: 450000 Zhengzhou economic and Technological Development Zone, Henan Road, No. 1356 Applicant before: Henan Hang Zhi patent Services Co., Ltd |
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Inventor after: Yang Rongfu Inventor after: Yang Fan Inventor after: Wang Wei Inventor before: Ma Xinpan |
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Effective date of registration: 20170912 Address after: 225300, 28 Changxin Road, Jiulong Town, Hailing District, Jiangsu, Taizhou Applicant after: TAIZHOU RUNYANG ELECTRICAL CO.,LTD. Address before: 510640 Guangdong City, Tianhe District Province, No. five, road, public education building, unit 371-1, unit 2401 Applicant before: Guangdong Gaohang Intellectual Property Operation Co., Ltd. |
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