CN220569235U - Tower crane nut anti-loosening early warning device - Google Patents
Tower crane nut anti-loosening early warning device Download PDFInfo
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- CN220569235U CN220569235U CN202322325431.2U CN202322325431U CN220569235U CN 220569235 U CN220569235 U CN 220569235U CN 202322325431 U CN202322325431 U CN 202322325431U CN 220569235 U CN220569235 U CN 220569235U
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- circuit board
- tower crane
- screw
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- 239000011324 bead Substances 0.000 claims abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 15
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 15
- 241001330002 Bambuseae Species 0.000 claims description 15
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 15
- 239000011425 bamboo Substances 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 241000237983 Trochidae Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a tower crane nut anti-loosening early warning device, which relates to the technical field of nut anti-loosening early warning, and comprises a screw and a nut, wherein the outer end of the screw is sleeved with the early warning nut, the early warning nut consists of a bottom shell and a top cover, a circuit board is fixedly arranged in the bottom shell, a plurality of pressure sensors are fixedly arranged at the bottom of the circuit board, a top block is arranged at the bottom of the pressure sensors, a plurality of through holes are formed in the bottom of the bottom shell, the top block penetrates through the through holes and extends to the bottom of the bottom shell, and a plurality of lamp beads are fixedly arranged at the top of the circuit board; through installing an early warning nut again on original screw rod and nut, can withstand the kicking block of early warning nut below when the nut is not hard up, pressure sensor can detect pressure and judge by the circuit board that the nut takes place not hard up this moment, then the circuit board then can send early warning light on one side control lamp pearl and remind, then send early warning information to the tower crane driver through wireless transmitting module, multipath reminds staff tower crane nut to loosen early warning information.
Description
Technical Field
The utility model relates to the technical field of anti-loosening early warning of nuts, in particular to an anti-loosening early warning device of a tower crane nut.
Background
With the development of society, various high-rise buildings are pulled up, and some buildings are provided with tower cranes due to high floors and large building areas, wherein the tower cranes are hoisting machinery in the building engineering and are mainly used for the dispatching of building engineering materials;
in recent years, however, tower crane accidents frequently occur, and for construction engineering, the safe use of tower cranes in construction engineering is not negligible;
the tower crane generally comprises a tower body, a climbing frame, a special section assembly, an electric system, a moment limiter, a slewing bearing, a lifting weight limiter, a cab, a hydraulic system, a lifting mechanism, an amplitude changing mechanism, a slewing mechanism, a balance arm pull rod, a lifting arm, a trolley, a lifting hook, an upper support, a lower support and the like, wherein a plurality of structures are all in a bolt fixing mode during installation, certain vibration can be generated during long-time use of the tower crane, the nut is easy to loosen and accident due to vibration for a long time, the loosening of the nut of the tower crane is one of main reasons for causing the accident of the tower crane, and therefore whether the loosening of the nut of the tower crane can be found in time is important.
Disclosure of Invention
The utility model provides an anti-loosening early warning device for a tower crane nut, which aims to solve the technical problems.
In order to solve the technical problems, the anti-loosening early warning device for the tower crane nut comprises a screw and a nut, wherein the nut is sleeved at the outer end of the screw, the screw is connected with the nut through threads, the early warning nut is sleeved at the outer end of the screw, the early warning nut is arranged at the top of the nut, the early warning nut consists of a bottom shell and a top cover, the top cover is sleeved at the top of the bottom shell, a second thread cylinder is fixedly arranged in the bottom shell, a first thread cylinder is fixedly arranged in the top cover, the first thread cylinder and the second thread cylinder are sleeved at the outer end of the screw, the first thread cylinder and the second thread cylinder are respectively connected with the screw through threads, a circuit board is fixedly arranged in the bottom shell, the second thread cylinder is arranged at the inner side of the circuit board, a plurality of pressure sensors are fixedly arranged at the bottom of the circuit board, a plurality of through holes are formed in the bottom of the bottom shell, the top block penetrates through the through holes and extends to the bottom of the bottom shell, the top block is contacted with the top of the nut, and a plurality of lamps are fixedly arranged at the top of the circuit board.
Preferably, the top of the circuit board is fixedly provided with two batteries, and the batteries are electrically connected with the circuit board.
Preferably, the top of the circuit board is fixedly provided with a wireless transmitting module, the wireless transmitting module is electrically connected with the output end of the circuit board, and the wireless transmitting module and the two batteries are respectively arranged between two adjacent lamp beads.
Preferably, a spring is sleeved on the outer sides of the first thread cylinder and the second thread cylinder, and two ends of the spring are respectively contacted with the top end inside the top cover and the top of the circuit board.
Preferably, a plurality of sliding grooves are formed in the outer side of the bottom shell, a plurality of sliding blocks are fixedly arranged on the inner side wall of the top cover, and the sliding blocks are in sliding connection with the inner sides of the sliding grooves.
Compared with the related art, the tower crane nut anti-loosening early warning device provided by the utility model has the following beneficial effects:
1. the early warning nut is arranged on the original screw rod and nut, the ejector block below the early warning nut can be propped up when the nut loosens, at the moment, the pressure sensor can detect the pressure at the first time and the circuit board judges that the nut loosens, then the circuit board can control the lamp beads to send early warning light to remind and send early warning information to a tower crane driver through the wireless transmitting module, and multipath reminding staff of loosening the tower crane nut early warning information;
2. through dividing into drain pan and top cap two parts with early warning nut to install a spring additional between the two, make early warning nut thread connection cover when on the screw rod, the screw thread of threaded connection between first screw thread section of thick bamboo and the second screw thread section of thick bamboo and the screw rod can vertically push up together, with the frictional resistance that improves threaded connection between first screw thread section of thick bamboo and the second screw thread section of thick bamboo and the screw rod, make first screw thread section of thick bamboo and the second screw thread section of thick bamboo can't be easy screw thread rotation on the screw rod, avoid early warning nut self to take place not hard up, and then improve the stability of early warning nut self-mounting on the screw rod.
Drawings
Fig. 1 is a schematic diagram of the overall perspective structure of a tower crane nut anti-loosening early warning device provided by the utility model;
fig. 2 is a schematic perspective view of an early warning nut of the tower crane nut anti-loosening early warning device;
FIG. 3 is an explosion diagram of an early warning nut of the tower crane nut anti-loosening early warning device provided by the utility model;
fig. 4 is a schematic diagram of a bottom shell perspective structure of a tower crane nut anti-loosening early warning device provided by the utility model;
fig. 5 is a schematic diagram of a top cover perspective structure of the tower crane nut anti-loosening early warning device provided by the utility model;
fig. 6 is a schematic diagram of a circuit board of the tower crane nut anti-loosening early warning device provided by the utility model.
Reference numerals in the drawings: 1. screw rod, 2, nut, 3, early warning nut, 4, drain pan, 5, top cap, 6, first screw thread section of thick bamboo, 7, second screw thread section of thick bamboo, 8, spring, 9, circuit board, 10, wireless transmission module, 11, lamp pearl, 12, battery, 13, pressure sensor, 14, kicking block, 15, through-hole, 16, spout, 17, slider.
Detailed Description
The embodiment is given by fig. 1-6, the utility model comprises a screw 1 and a nut 2, wherein the nut 2 is sleeved at the outer end of the screw 1, the screw 1 and the nut 2 are connected through threads, an early warning nut 3 is sleeved at the outer end of the screw 1, the early warning nut 3 is arranged at the top of the nut 2, the early warning nut 3 consists of a bottom shell 4 and a top cover 5, the top cover 5 is sleeved at the top of the bottom shell 4, a second threaded cylinder 7 is fixedly arranged in the bottom shell 4, a first threaded cylinder 6 is fixedly arranged in the top cover 5, the first threaded cylinder 6 and the second threaded cylinder 7 are sleeved at the outer end of the screw 1, the first threaded cylinder 6 and the second threaded cylinder 7 are respectively connected with the screw 1 through threads, a circuit board 9 is fixedly arranged in the bottom shell 4, the second threaded cylinder 7 is arranged at the inner side of the circuit board 9, a plurality of pressure sensors 13 are fixedly arranged at the bottom of the circuit board 9, a plurality of through holes 15 are formed in the bottom of the bottom shell 4, the through holes 15 penetrate through the bottom shell 14 and extend to the bottom of the bottom shell 4 to the top of the circuit board 14 and are in contact with the top of the circuit board 9, and the top of the top shell is fixedly arranged at the bottom the top shell is contacted with the top of the circuit board 11.
The top of the circuit board 9 is fixedly provided with two batteries 12, the batteries 12 are electrically connected with the circuit board 9, and the batteries 12 are used for supplying power when the circuit board 9, the pressure sensor 13, the lamp beads 11 and the wireless transmitting module 10 operate.
The wireless transmitting module 10 is fixedly arranged at the top of the circuit board 9, the wireless transmitting module 10 is electrically connected with the output end of the circuit board 9, the wireless transmitting module 10 and the two batteries 12 are respectively arranged between two adjacent lamp beads 11, when the circuit board 9 judges that the tower crane nuts are loose, the lamp beads 11 are controlled to emit early warning light, and the wireless transmitting module 10 can also transmit early warning information to a tower crane driver, so that the multipath early warning reminding effect is better.
The first thread cylinder 6 and the second thread cylinder 7 outside cover jointly is equipped with a spring 8, spring 8 both ends respectively with top 5 inside top and circuit board 9 top contact, spring 8 can promote drain pan 4 and top 5 to keep away from each other, thereby make first thread cylinder 6 and second thread cylinder 7 threaded connection also keep away from each other when on screw rod 1, the screw thread of interlock then can vertically top together on first thread cylinder 6 and second thread cylinder 7 and screw rod 1 this moment, thereby increase the frictional force of threaded connection between first thread cylinder 6 and second thread cylinder 7 and the screw rod 1, avoid early warning nut 3 self to take place not hard up on screw rod 1, and then improve the stability of early warning nut 3 self-mounting 1 on the screw rod.
The outside of drain pan 4 has seted up a plurality of spouts 16, fixed a plurality of sliders 17 that are equipped with on the top cap 5 inside wall, slider 17 sliding connection is inside spout 16, and when early warning nut 3 did not use, drain pan 4 and top cap 5 received the restriction of slider 17 and spout 16, and although can be kept away from each other by the promotion of spring 8, but unable complete separation played the limiting displacement.
Working principle:
after the nut 2 is normally screwed on the screw 1, an early warning nut 3 is installed on the screw 1, the early warning nut 3 consists of a bottom shell 4 and a top cover 5, the bottom shell 4 and the top cover 5 are respectively connected on the screw 1 through a second thread cylinder 7 and a first thread cylinder 6 in a threaded manner, the bottom shell 4 and the top cover 5 are tightly attached to each other and sleeved on the screw 1 when the early warning nut 3 is installed, and the early warning nut 3 is screwed to the bottom of a top block 14 and is propped against the nut 2;
firstly, when the early warning nut 3 is installed, the bottom shell 4 and the top cover 5 are not attached together any more, the elastic force of the spring 8 pushes the bottom shell 4 and the top cover 5 to be away from each other, and when the bottom shell 4 and the top cover 5 are away from each other, the second thread cylinder 7 and the first thread cylinder 6 are away from each other, and the second thread cylinder 7 and the first thread cylinder 6 are connected with the screw 1 through threads at the moment, so when the first thread cylinder 6 and the second thread cylinder 7 are away from each other, mutually meshed screw teeth on the inner sides of the first thread cylinder 6 and the second thread cylinder 7 and the outer sides of the screw 1 are longitudinally propped together, the friction force between the screw threads is increased, and the threaded connection rotation resistance of the first thread cylinder 6 and the second thread cylinder 7 on the screw 1 is increased, so that the stability of the early warning nut 3 on the screw 1 is improved;
when nut 2 takes place not hard up in long-term use, nut 2 can be close to the removal to early warning nut 3, ejector block 14 can be propped up by nut 2 and upwards remove and oppress pressure sensor 13 this moment, pressure sensor 13 detects pressure signal and then can judge by circuit board 9 that nut 2 takes place not hard up, circuit board 9 then can control lamp pearl 11 to light up and carry out light early warning this moment, lamp pearl 11's light can be transmitted through top cap 5, top cap 5 can be made with red printing opacity plastics for the early warning light that sends is red, it is more striking, circuit board 9 still can send the early warning signal to the tower crane driver through wireless transmission module 10 simultaneously, multiple early warning mode joint work, and circuit board 9, pressure sensor 13, lamp pearl 11 and wireless transmission module 10 all are by battery 12 power supply when the operation.
Claims (5)
1. Tower crane nut anti-loosening early warning device, including screw rod (1) and nut (2), nut (2) cover are established in screw rod (1) outer end, just screw rod (1) and nut (2) pass through threaded connection, its characterized in that: the utility model provides a lamp, including screw rod (1), screw rod (1) outer end cover is equipped with early warning nut (3), early warning nut (3) are established at nut (2) top, early warning nut (3) are constituteed by drain pan (4) and top cap (5), top cap (5) cover is established at drain pan (4) top, drain pan (4) inside is fixed to be equipped with second screw thread section of thick bamboo (7), top cap (5) inside is fixed to be equipped with first screw thread section of thick bamboo (6), first screw thread section of thick bamboo (6) and second screw thread section of thick bamboo (7) all overlap and establish at screw rod (1) outer end, just first screw thread section of thick bamboo (6) and second screw thread section of thick bamboo (7) pass through threaded connection with screw rod (1) respectively, drain pan (4) inside is fixed to be equipped with circuit board (9), second screw thread section of thick bamboo (7) are established in circuit board (9) inboard, circuit board (9) bottom is fixed to be equipped with a plurality of pressure sensor (13), pressure sensor (13) bottom is equipped with footstock (14), drain pan (4) bottom is offered a plurality of footstock (15), footstock (15) and is equipped with footstock (15) and is run through to bottom (4) top (14) and top (2) top portion top bead (2).
2. The tower crane nut anti-loosening early warning device according to claim 1, wherein two batteries (12) are fixedly arranged at the top of the circuit board (9), and the batteries (12) are electrically connected with the circuit board (9).
3. The tower crane nut anti-loosening early warning device according to claim 2, wherein a wireless transmitting module (10) is fixedly arranged at the top of the circuit board (9), the wireless transmitting module (10) is electrically connected with the output end of the circuit board (9), and the wireless transmitting module (10) and the two batteries (12) are respectively arranged between two adjacent lamp beads (11).
4. The tower crane nut anti-loosening early warning device according to claim 1, wherein a spring (8) is sleeved on the outer sides of the first threaded cylinder (6) and the second threaded cylinder (7) together, and two ends of the spring (8) are respectively contacted with the top end inside the top cover (5) and the top of the circuit board (9).
5. The tower crane nut anti-loosening early warning device according to claim 1, wherein a plurality of sliding grooves (16) are formed in the outer side of the bottom shell (4), a plurality of sliding blocks (17) are fixedly arranged on the inner side wall of the top cover (5), and the sliding blocks (17) are in sliding connection with the inside of the sliding grooves (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322325431.2U CN220569235U (en) | 2023-08-25 | 2023-08-25 | Tower crane nut anti-loosening early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322325431.2U CN220569235U (en) | 2023-08-25 | 2023-08-25 | Tower crane nut anti-loosening early warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220569235U true CN220569235U (en) | 2024-03-08 |
Family
ID=90094954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322325431.2U Active CN220569235U (en) | 2023-08-25 | 2023-08-25 | Tower crane nut anti-loosening early warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220569235U (en) |
-
2023
- 2023-08-25 CN CN202322325431.2U patent/CN220569235U/en active Active
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