CN114635906B - Tower crane nut with tightness warning function - Google Patents
Tower crane nut with tightness warning function Download PDFInfo
- Publication number
- CN114635906B CN114635906B CN202210310238.9A CN202210310238A CN114635906B CN 114635906 B CN114635906 B CN 114635906B CN 202210310238 A CN202210310238 A CN 202210310238A CN 114635906 B CN114635906 B CN 114635906B
- Authority
- CN
- China
- Prior art keywords
- nut
- warning
- tower crane
- annular
- pressing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003825 pressing Methods 0.000 claims abstract description 31
- 239000003292 glue Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000003086 colorant Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/187—Machine fault alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Electromagnetism (AREA)
- Emergency Alarm Devices (AREA)
Abstract
A tower crane nut with tightness warning relates to the technical field of mechanical fastener detection, and can be used for enabling a user to find the position of a loosened fastener in time, so that the user can overhaul conveniently. In the tower crane nut with the tightness warning function, the bottom end of the fastener body is in threaded connection with the warning nut, the top end of the warning nut is provided with a mounting groove, the inside of the mounting groove is sequentially provided with a spring, an annular lamp and an annular pressing plate from bottom to top, the top end of the annular pressing plate is provided with a pushing frame capable of sliding up and down, and the bottom end of the pushing frame completely penetrates through the annular pressing plate and is attached to the top surface of the annular lamp; the bottom fixedly connected with bicolor transparent tube of annular clamp plate, just bicolor transparent tube parcel completely the annular lamp.
Description
Technical Field
The invention relates to the technical field of mechanical fastener detection, in particular to a tower crane nut with tightness warning function.
Background
At present, bolts are used as fasteners and widely applied to production and life of people, the fasteners are required to be used for fixing in the installation process of a tower crane, fastening bolts can be loosened due to vibration of the tower crane in operation and changes of cold and hot in outside weather, workers need to fasten the bolts regularly in order to prevent the bolts from loosening to cause the tower crane to skew, and under the condition that the workers cannot know which bolt is loosened, the workers need to fasten the bolts next to each other, and the following defects exist in the use process of the existing tower crane nuts:
because the fastening bolt quantity on the tower crane is more, the fastening is time consuming and laborious next, and the workman fastens the bolt that does not become flexible and can lead to the fact wearing and tearing loss to the bolt, can reduce the life of bolt in the past, and the diversion increases maintenance cost.
Disclosure of Invention
The invention aims to provide a tower crane nut with tightness warning, which can be convenient for a user to find the position of a loosened fastener in time, thereby facilitating the maintenance work of the user.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a tower crane nut with tightness warning, comprising: the novel anti-theft device comprises a fastener body, wherein the bottom end of the fastener body is in threaded connection with a warning nut, the top end of the warning nut is provided with a mounting groove, the inside of the mounting groove is sequentially provided with a spring, an annular lamp and an annular pressing plate from bottom to top, the top end of the annular pressing plate is provided with a pushing frame capable of sliding up and down, and the bottom end of the pushing frame completely penetrates through the annular pressing plate and is attached to the top surface of the annular lamp; the bottom end of the annular pressing plate is fixedly connected with a bicolor transparent tube, and the bicolor transparent tube completely wraps the annular lamp;
after the warning nut in the fastener body loosens, the pushing frame is driven to act, the pushing frame pushes the annular lamp to descend and enter the upper area of the double-color transparent tube, so that the warning nut presents double-color lamplight alarm or enters the lower area of the double-color transparent tube, and the warning nut presents single-color lamplight alarm.
In practical application, the bicolor transparent tube comprises a green area and a red area which are distributed from top to bottom.
The top end of the bicolor transparent tube is fixedly connected with the bottom surface of the annular pressing plate through glue, and the height of the green area of the bicolor transparent tube is one fourth of the height of the red area.
Specifically, the bottom of fastener body is echelonment and threaded connection has the support frame, just the outer wall top threaded connection of support frame has adjusting nut.
Further, the warning nut includes: the support body and parcel are in the transparent shell of support body outer wall, just the support body with the bottom threaded connection of fastener body.
Still further, the inner wall top appearance of mounting groove is echelonment, annular clamp plate pass through glue with the inner wall top fixed connection of mounting groove, just annular clamp plate is used for preventing the pushing frame follows nut in the fastener body rotates.
Still further, the ring-shaped lamp is electrically connected with a solar panel through a wire, and the solar panel is fixed at the bottom end of the supporting frame; the height of the annular lamp is one fifth of the height of the bicolor transparent tube.
Still further, the slot has all been seted up to the inner wall both sides of double-colored transparent pipe, two logical grooves have been seted up to warning nut's bottom surface, just logical groove's position with the position of slot corresponds, logical groove with the slot is used for reserving for the wire places the position.
Compared with the prior art, the tower crane nut with the tightness warning has the following advantages:
in the tower crane nut with the tightness warning, as the warning nut is connected with the bottom end of the fastener body through threads, the top end of the warning nut is provided with the mounting groove, the inside of the mounting groove is sequentially provided with the spring, the annular lamp and the annular pressing plate from bottom to top, the top end of the annular pressing plate is provided with the pushing frame capable of sliding up and down, and the bottom end of the pushing frame completely penetrates through the annular pressing plate and is attached to the top surface of the annular lamp; meanwhile, the bottom fixedly connected with bicolor transparent pipe of annular clamp plate, and bicolor transparent pipe parcel annular lamp completely, consequently, when the warning nut of fastener body bottom takes place not hard up, just can drive and promote the downward motion of frame to make annular lamp highly decline, then annular lamp and the first color region in top of bicolor transparent pipe produce certain position difference, the light of annular lamp passes the bottom second color region of bicolor transparent pipe simultaneously, make warning nut send first chromatic light and second chromatic light simultaneously or only send the second chromatic light, and then the user of being convenient for in time discovers the position of the fastener body that has become flexible, also be convenient for the user to overhaul the work promptly.
Drawings
Fig. 1 is a schematic structural diagram of a tower crane nut with tightness warning according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an explosion structure of a tower crane nut with tightness warning according to an embodiment of the present invention;
fig. 3 is a schematic view of a first view partially cross-sectional structure of a tower crane nut with tightness warning according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a second view partially cross-sectional structure of a tower crane nut with tightness warning according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a dual-color transparent tube in a tower crane nut with tightness warning provided by an embodiment of the invention;
fig. 6 is a schematic structural diagram of a support frame in a tower crane nut with tightness warning according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a fastener body in a tower crane nut with tightness warning according to an embodiment of the present invention.
Reference numerals:
1-a fastener body; 2-pushing the frame; 3-an annular pressing plate; 4-supporting frames; 5-a solar panel; 6-warning nut; 601-a support; 602-a transparent shell; 7-adjusting the nut; 8-ring lamp; 9-a bicolor transparent tube; 901-green region; 902-red region; 10-springs; 11-mounting slots; 12-through grooves; 13-grooves.
Detailed Description
In order to facilitate understanding, the tower crane nut with tightness warning provided by the embodiment of the invention is described in detail below with reference to the accompanying drawings.
The embodiment of the invention provides a tower crane nut with tightness warning, as shown in fig. 1-7, comprising: the novel self-locking type self-locking fastener comprises a fastener body 1, wherein the bottom end of the fastener body 1 is in threaded connection with a warning nut 6, the top end of the warning nut 6 is provided with a mounting groove 11, a spring 10, an annular lamp 8 and an annular pressing plate 3 are sequentially arranged in the mounting groove 11 from bottom to top, the top end of the annular pressing plate 3 is provided with a pushing frame 2 capable of sliding up and down, and the bottom end of the pushing frame 2 completely penetrates through the annular pressing plate 3 and is attached to the top surface of the annular lamp 8; the bottom end of the annular pressing plate 3 is fixedly connected with a bicolor transparent tube 9, and the bicolor transparent tube 9 completely wraps the annular lamp 8;
after the warning nut 6 in the fastener body 1 loosens, the pushing frame 2 is driven to act, the pushing frame 2 pushes the annular lamp 8 to descend and enter the upper area of the bicolor transparent tube 9, so that the warning nut 6 presents bicolor lamplight warning, or enters the lower area of the bicolor transparent tube 9, so that the warning nut 6 presents monochromatic lamplight warning.
Compared with the prior art, the tower crane nut with the tightness warning has the following advantages:
in the tower crane nut with tightness warning provided by the embodiment of the invention, as the bottom end of the fastener body 1 is in threaded connection with the warning nut 6, the top end of the warning nut 6 is provided with the mounting groove 11, the inside of the mounting groove 11 is sequentially provided with the spring 10, the annular lamp 8 and the annular pressing plate 3 from bottom to top, the top end of the annular pressing plate 3 is provided with the pushing frame 2 capable of sliding up and down, and the bottom end of the pushing frame 2 completely penetrates through the annular pressing plate 3 and is attached to the top surface of the annular lamp 8; meanwhile, the bottom fixedly connected with bicolor transparent pipe 9 of annular clamp plate 3, and bicolor transparent pipe 9 wraps up annular lamp 8 completely, therefore when the warning nut 6 of fastener body 1 bottom takes place not hard up, just can drive and promote frame 2 downward motion, thereby make annular lamp 8 high decline, then annular lamp 8 produces certain position difference with the first color region in top of bicolor transparent pipe 9, the light of annular lamp 8 passes the bottom second color region of bicolor transparent pipe 9 simultaneously, make warning nut 6 send first chromatic light and second chromatic light simultaneously or only send the second chromatic light, and then the user of being convenient for in time discover the position of fastener body 1 that has become flexible, also convenient to use carries out maintenance work promptly.
In practical use, as shown in fig. 5, the bicolor transparent tube 9 may include a green area 901 and a red area 902 distributed from top to bottom.
As shown in fig. 5, the top end of the bicolor transparent tube 9 may be fixedly connected with the bottom surface of the annular pressing plate 3 through glue, and the height of the green area 901 of the bicolor transparent tube 9 is one fourth of the height of the red area 902, so that the bicolor transparent tube is convenient to present red and green colors or pure red colors under the irradiation of the annular lamp 8, and further, the user can determine the position conveniently.
Specifically, as shown in fig. 7 and fig. 6 in combination with fig. 1 and fig. 2, the bottom end of the fastener body 1 may be stepped and screwed with the supporting frame 4, and the top end of the outer wall of the supporting frame 4 may be screwed with the adjusting nut 7, so that positioning and mounting positions of the warning nut 6 are conveniently provided, and after the adjusting nut 7 is screwed, locking of the warning nut 6 can be conveniently performed.
The bottom of the fastener body 1 is stepped, the top end threaded connection of the outer wall of the support frame 4 is provided with the adjusting nut 7, and then the adjusting nut 7 is screwed, so that the warning nut 6 is conveniently fixed at the bottom of the fastener body 1, the pushing frame 2 can be conveniently driven to act when the nut in the fastener body 1 is loosened and is not in direct contact with the warning nut 6, the warning accuracy is improved, the spring 10 is convenient for provide elastic force support for the annular lamp 8, after the fastener body 1 is locked, the annular lamp 8 is pushed to the green area 901 of the bicolor transparent tube 9 by the spring 10, and the overall practicability is improved.
Further, as shown in fig. 3, the warning nut 6 may include: the support body 601 and the transparent shell 602 wrapped on the outer wall of the support body 601, and the support body 601 is in threaded connection with the bottom end of the fastener body 1; in addition, the supporting body 601 may be made of steel, so that the deformation amount of the supporting body when the supporting body is compressed can be reduced correspondingly, and meanwhile, the supporting body can be convenient for providing support for the transparent shell 602.
Still further, as shown in fig. 4, the shape of the top end of the inner wall of the mounting groove 11 may be stepped, the annular pressing plate 3 may be fixedly connected with the top end of the inner wall of the mounting groove 11 by glue, and the annular pressing plate 3 may be used to prevent the pushing frame 2 from rotating along with the nut in the fastener body 1.
Still further, as shown in fig. 1, 2 and 6 in combination with fig. 3, the ring-shaped lamp 8 may be electrically connected to the solar panel 5 through a wire, and the solar panel 5 is fixed to the bottom end of the supporting frame 4; the height of the ring-shaped lamp 8 can be one fifth of the height of the bicolor transparent tube 9, so that after the ring-shaped lamp 8 descends, a height difference is generated between the ring-shaped lamp 8 and the green area 901 and the red area 902 in the bicolor transparent tube 9, the warning nut 6 can display red and green colors or red colors conveniently, and a user can determine the position of the fastener body 1 conveniently.
Still further, as shown in fig. 5 and fig. 4, grooves 13 may be formed on both sides of the inner wall of the bicolor transparent tube 9, two through grooves 12 may be formed on the bottom surface of the warning nut 6, and the positions of the through grooves 12 correspond to the positions of the grooves 13, that is, the two through grooves 12 are located right below the two grooves 13, so that the through grooves 12 and the grooves 13 can be used for reserving placement positions for wires, and further, the wires can conveniently pass through the two through grooves 12 and the two grooves 13 respectively, so that the solar panel 5 and the annular lamp 8 are electrically connected and provide electric energy.
The following describes in detail the use process of the tower crane nut with tightness warning provided by the embodiment of the invention with the help of the accompanying drawings:
after the nuts in the fastener body 1 are loosened, the pushing frame 2 is pushed to act; the pushing frame 2 pushes the annular lamp 8 to descend to enter the red zone 902, so that the warning nut 6 is red and green or red, and a user can conveniently and timely determine the loosening position of the fastener body 1 in the tower crane.
In summary, when the tower crane nut with tightness warning provided by the embodiment of the invention is used, the spring 10, the annular lamp 8 and the annular pressing plate 3 are sequentially arranged from bottom to top through the inside of the mounting groove 11, the bottom end of the pushing frame 2 completely penetrates through the annular pressing plate 3 and is attached to the top surface of the annular lamp 8, when two nuts at the bottom end of the fastener body 1 are loosened, the pushing frame 2 is pushed to move downwards, so that the height of the annular lamp 8 is lowered, the annular lamp 8 and the green area 901 generate a certain position difference, meanwhile, the light of the annular lamp 8 passes through the red area 902, so that the warning nut 6 emits green light and red light or emits red light at the same time, the position of the loosened fastener body 1 can be found in time by a user conveniently, and the user can overhaul the maintenance work conveniently; the bottom of rethread fastener body 1 is echelonment, and the top threaded connection of support frame 4 outer wall has adjusting nut 7, and then screws adjusting nut 7, thereby be convenient for fix the bottom at fastener body 1 with warning nut 6, and then be convenient for can push the action of pushing the frame 2 and do not take place direct contact with warning nut 6 when the nut in fastener body 1 becomes flexible, improve warning accuracy, and spring 10 is convenient for provide elasticity support for annular lamp 8, after locking fastener body 1, annular lamp 8 is pushed by spring 10 to the green zone 901 position of bicolor transparent pipe 9, improve whole practicality.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a take tower crane nut of elasticity warning which characterized in that includes: the novel anti-theft device comprises a fastener body, wherein the bottom end of the fastener body is in threaded connection with a warning nut, the top end of the warning nut is provided with a mounting groove, the inside of the mounting groove is sequentially provided with a spring, an annular lamp and an annular pressing plate from bottom to top, the top end of the annular pressing plate is provided with a pushing frame capable of sliding up and down, and the bottom end of the pushing frame completely penetrates through the annular pressing plate and is attached to the top surface of the annular lamp; the bottom end of the annular pressing plate is fixedly connected with a bicolor transparent tube, and the bicolor transparent tube completely wraps the annular lamp;
after the warning nut in the fastener body loosens, the pushing frame is driven to act, the pushing frame pushes the annular lamp to descend and enter the upper area of the double-color transparent tube, so that the warning nut presents double-color lamplight alarm or enters the lower area of the double-color transparent tube, and the warning nut presents single-color lamplight alarm.
2. The tower crane nut with tightness warning according to claim 1, wherein the bi-color transparent tube comprises a green zone and a red zone distributed from top to bottom.
3. The tower crane nut with tightness warning according to claim 2, wherein the top end of the bicolor transparent tube is fixedly connected with the bottom surface of the annular pressing plate through glue, and the height of the green zone of the bicolor transparent tube is one fourth of the height of the red zone.
4. The tower crane nut with tightness warning according to claim 1 or 2, wherein the bottom end of the fastener body is stepped and is in threaded connection with a supporting frame, and the top end of the outer wall of the supporting frame is in threaded connection with an adjusting nut.
5. The tower crane nut with tightness warning of claim 1, wherein the warning nut comprises: the support body and parcel are in the transparent shell of support body outer wall, just the support body with the bottom threaded connection of fastener body.
6. The tower crane nut with tightness warning according to claim 1, wherein the top end of the inner wall of the installation groove is in a stepped shape, the annular pressing plate is fixedly connected with the top end of the inner wall of the installation groove through glue, and the annular pressing plate is used for preventing the pushing frame from rotating along with the nut in the fastener body.
7. The tower crane nut with tightness warning according to claim 4, wherein the ring-shaped lamp is electrically connected with a solar panel through a wire, and the solar panel is fixed at the bottom end of the supporting frame; the height of the annular lamp is one fifth of the height of the bicolor transparent tube.
8. The tower crane nut with tightness warning according to claim 7, wherein grooves are formed in two sides of the inner wall of the bicolor transparent tube, two through grooves are formed in the bottom surface of the warning nut, the positions of the through grooves correspond to the positions of the grooves, and the through grooves and the grooves are used for reserving placing positions for the wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210310238.9A CN114635906B (en) | 2022-03-28 | 2022-03-28 | Tower crane nut with tightness warning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210310238.9A CN114635906B (en) | 2022-03-28 | 2022-03-28 | Tower crane nut with tightness warning function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114635906A CN114635906A (en) | 2022-06-17 |
| CN114635906B true CN114635906B (en) | 2023-06-09 |
Family
ID=81949602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210310238.9A Active CN114635906B (en) | 2022-03-28 | 2022-03-28 | Tower crane nut with tightness warning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114635906B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370124B (en) * | 2022-08-18 | 2024-03-12 | 栋梁铝业有限公司 | Movable wheel buckle convenient to disassemble and assemble |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211288392U (en) * | 2019-10-15 | 2020-08-18 | 河北永胜石油化工机械制造有限公司 | Bolt with not hard up warning |
| CN112392835A (en) * | 2020-11-16 | 2021-02-23 | 浙江瑞昭科技股份有限公司 | Fastener with locking function |
| CN212933662U (en) * | 2020-10-22 | 2021-04-09 | 中国建筑一局(集团)有限公司 | Visual early warning bolt alarm |
| CN113217523A (en) * | 2021-04-27 | 2021-08-06 | 靖江市飞天紧固件制造有限公司 | Locking bolt that moves with early warning function of laxing |
| CN215576846U (en) * | 2021-09-02 | 2022-01-18 | 北京紫竹慧建设服务股份有限公司 | Fastener tightness warning device |
| CN215634270U (en) * | 2021-04-11 | 2022-01-25 | 郑州大学 | Warning device for monitoring bolt looseness |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8540468B2 (en) * | 2011-09-13 | 2013-09-24 | King Fahd University Of Petroleum And Minerals | Smart lid for smart bolts and probes |
-
2022
- 2022-03-28 CN CN202210310238.9A patent/CN114635906B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211288392U (en) * | 2019-10-15 | 2020-08-18 | 河北永胜石油化工机械制造有限公司 | Bolt with not hard up warning |
| CN212933662U (en) * | 2020-10-22 | 2021-04-09 | 中国建筑一局(集团)有限公司 | Visual early warning bolt alarm |
| CN112392835A (en) * | 2020-11-16 | 2021-02-23 | 浙江瑞昭科技股份有限公司 | Fastener with locking function |
| CN215634270U (en) * | 2021-04-11 | 2022-01-25 | 郑州大学 | Warning device for monitoring bolt looseness |
| CN113217523A (en) * | 2021-04-27 | 2021-08-06 | 靖江市飞天紧固件制造有限公司 | Locking bolt that moves with early warning function of laxing |
| CN215576846U (en) * | 2021-09-02 | 2022-01-18 | 北京紫竹慧建设服务股份有限公司 | Fastener tightness warning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114635906A (en) | 2022-06-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114635906B (en) | Tower crane nut with tightness warning function | |
| CN204559474U (en) | A kind of photovoltaic bracket | |
| CN217305935U (en) | Tower crane nut with tightness warning function | |
| CN207926493U (en) | A kind of holder for installing solar panel in color steel roof | |
| CN109812729A (en) | A kind of orientation adjustment device for bridge road lighting apparatus | |
| CN210509913U (en) | Anti-dismantling bolt structure | |
| CN209435167U (en) | A kind of solar panels autosteerer of traffic information display board | |
| CN217209117U (en) | Ceiling lamp | |
| CN206524806U (en) | A kind of Novel LED light supply unit | |
| CN217235422U (en) | Industrial and mining lamp adjusting mechanism convenient to angle regulation | |
| CN213336227U (en) | Intelligent monitoring devices of construction | |
| CN213455615U (en) | Separated field tower-mounted temperature and humidity probe quick clamping device | |
| CN220082946U (en) | Embedded T-Grid fossil fragments LED lamp | |
| CN219140246U (en) | Fastener for high-voltage equipment bolt | |
| CN219282154U (en) | Hydraulic assembly cover plate convenient to install | |
| CN212032588U (en) | Lighting device in airport light mark board | |
| CN211822174U (en) | Energy-saving municipal administration street lighting | |
| CN216549398U (en) | Jack head | |
| CN210088717U (en) | Energy-saving LED solar street lamp | |
| CN215752308U (en) | Remote anti-theft alarm system for automobile | |
| CN212318486U (en) | Double-fastening tooth self-tapping screw with plum blossom groove and disc head | |
| CN216345950U (en) | Rotatable street lamp for road lighting | |
| CN219554923U (en) | Photovoltaic cell panel support easy to maintain | |
| CN218883883U (en) | Energy-saving environment-friendly street lamp | |
| CN204794818U (en) | Novel photovoltaic solar panel's supporting mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |