CN214277271U - Prevent not hard up early warning device of nut - Google Patents
Prevent not hard up early warning device of nut Download PDFInfo
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- CN214277271U CN214277271U CN202120664918.1U CN202120664918U CN214277271U CN 214277271 U CN214277271 U CN 214277271U CN 202120664918 U CN202120664918 U CN 202120664918U CN 214277271 U CN214277271 U CN 214277271U
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- early warning
- nut
- tower crane
- warning device
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- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 238000012544 monitoring process Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 241000446313 Lamella Species 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009916 joint effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The application relates to the technical field of fastener equipment, in particular to an early warning device for preventing nuts from loosening, which comprises a main frame arranged on a tower crane and a monitoring mechanism arranged on the main frame and used for monitoring the loosening of the nuts, wherein the monitoring mechanism comprises a pressure sensor and a wireless transmission mechanism connected with the pressure sensor and used for sending an early warning signal; the wireless receiving mechanism is used for receiving the early warning signal sent by the wireless transmission mechanism. This application can in time send the early warning when the nut on the building tower crane is not hard up, reminds personnel to carry out the fastening of nut, reduces the potential safety hazard.
Description
Technical Field
The application relates to the technical field of fastener equipment, in particular to an early warning device for preventing loosening of nuts.
Background
The nut is widely applied to construction equipment, such as industrial heavy machinery like a building tower crane. The nut connection is easy to loosen due to vibration when used for a long time, for example, a building tower crane is frequently shaken in daily operation, so that the fastening requirement of the nut on the building tower crane is very strict. Once the nut is loosened, the whole structure of the building tower crane is easy to destroy and strike.
In the related art, personnel are often required to check the nut pretightening force regularly so as to prevent the nut on the building tower crane from loosening.
However, in the above-mentioned correlation technique, once the nut appears becoming flexible because of some special circumstances, the early warning mode of manpower periodic detection can't in time find the problem, and the nut becomes flexible and leads to building tower crane support system to lose stability easily, has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
When the nut on the building tower crane is not hard up, can in time send the early warning, remind personnel to carry out the fastening of nut, reduce the potential safety hazard, this application provides a prevent not hard up early warning device of nut.
The application provides a pair of prevent not hard up early warning device of nut adopts following technical scheme:
an early warning device for preventing nuts from loosening comprises a main frame arranged on a tower crane and a monitoring mechanism arranged on the main frame and used for monitoring the loosening of the nuts, wherein the monitoring mechanism comprises a pressure sensor and a wireless transmission mechanism connected to the pressure sensor and used for sending an early warning signal;
the wireless receiving mechanism is used for receiving the early warning signal sent by the wireless transmission mechanism.
Through adopting above-mentioned technical scheme, pressure sensor detects the not hard up of nut, in case the discovery nut appears not hard up, pressure sensor shows numerical value promptly, then wireless transmission device sends wireless receiving mechanism with numerical value display, and the suggestion personnel carry out the detection and the fastening of this nut, and this kind of mode is timely and accurate, helps personnel to carry out the quick fastening of nut to reduce the potential safety hazard of tower crane.
Preferably, T type groove has been seted up along tower crane length direction on the body frame, it is provided with T type piece to slide on the T type groove, the mainboard has set firmly on the T type piece, monitoring mechanism sets up on the mainboard, be equipped with the locking mechanical system that is used for locking the mainboard and slides on the body frame.
Through adopting above-mentioned technical scheme, monitoring mechanism sets up on the mainboard, and the mainboard slides on the body frame and sets up, makes monitoring mechanism slide on the mainboard and sets up to help adjusting monitoring mechanism's position, also can not hard up the monitoring to the nut of different height dimensions, improve the practicality of early warning device in actual life.
Preferably, the mainboard has seted up the spout along tower crane length direction on, locking mechanical system is used for supporting the lead screw of tight on T type inslot wall with T type piece including sliding the slider that sets up on the spout and rotating the spiro union on the slider, screw-thread fit between lead screw and the slider.
By adopting the technical scheme, the end part of the screw rod is abutted against the end wall of the T-shaped block by rotating the screw rod, the end wall of the other side of the T-shaped block is tightly attached to the groove wall of the T-shaped groove, and the position locking of the T-shaped block, namely the main board, is realized through friction force.
Preferably, a handle is fixedly arranged at one end, far away from the main board, of the screw rod.
Through adopting above-mentioned technical scheme, the setting of handle, the personnel of being convenient for operate the lead screw to carry out the rotation operation to the lead screw fast.
Preferably, the end wall of the T-shaped block is provided with an insertion hole for abutting against the end part of the screw rod.
Through adopting above-mentioned technical scheme, screw up the lead screw and the lead screw is pegged graft in the jack, makes the lead screw form the joint effect to T type piece to improve the stability of lead screw to T type piece locking.
Preferably, the main frame is provided with a connecting mechanism for fixing the main frame on the tower crane, and the main frame is detachably arranged on the tower crane through the connecting mechanism.
Through adopting above-mentioned technical scheme, the body frame can be dismantled the setting on the tower crane, helps dismantling the body frame and maintain or change, and the early warning device's of also being convenient for reuse conveniently carries out the monitoring and the early warning of other positions.
Preferably, the body frame includes the intermediate lamella and sets up the curb plate in the intermediate lamella both sides, two the curb plate with the intermediate lamella is the U-shaped form, coupling mechanism is used for supporting the screw rod of tight tower crane including rotating to connect on arbitrary curb plate, be screw-thread fit between screw rod and the curb plate.
By adopting the technical scheme, the tower crane is clamped between the side plate and the screw rod by rotating the screw rod, so that the locking of the main frame on the tower crane is realized.
Preferably, the wireless transmission mechanism comprises an infrared transmitter or a transmitting antenna, and the wireless receiving mechanism is an infrared receiver or a receiving antenna.
By adopting the technical scheme, the infrared transmitter transmits the electric signal of the pressure sensor, and the infrared receiver receives the electric signal; if the pressure sensor is a transmitting antenna, the transmitting antenna transmits the electric signal of the pressure sensor through electromagnetic waves, and the receiving antenna receives the electric signal, so that the early warning effect on personnel is achieved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the pressure sensor detects the loosening of the nut, once the nut is loosened, namely the pressure sensor displays a numerical value, the wireless transmission mechanism sends the numerical value display to the wireless receiving mechanism to prompt personnel to detect and fasten the nut, and the mode is timely and accurate, so that the personnel can quickly fasten the nut, and the potential safety hazard of a tower crane is reduced;
2. the monitoring mechanism is arranged on the main board, and the main board is arranged on the main frame in a sliding manner, so that the monitoring mechanism is arranged on the main board in a sliding manner, the position of the monitoring mechanism is favorably adjusted, nuts with different heights and sizes can be monitored for loosening, and the practicability of the early warning device in actual life is improved;
3. the body frame can be dismantled the setting on the tower crane, helps maintaining or changing the body frame after dismantling, and the early warning device's of also being convenient for reuse conveniently carries out the monitoring and the early warning of other positions.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
FIG. 3 is a schematic diagram of the overall structure from another perspective of an embodiment of the present application;
FIG. 4 is a right side view of an embodiment of the present application;
FIG. 5 is a schematic sectional view taken along the line A-A in FIG. 4;
fig. 6 is a partially enlarged schematic view of a portion a in fig. 5.
Description of reference numerals: 1. a main frame; 2. a monitoring mechanism; 3. a middle plate; 4. a side plate; 5. a limiting plate; 6. a screw; 7. a T-shaped groove; 8. a T-shaped block; 9. a main board; 10. a chute; 11. a slider; 12. a screw rod; 13. a jack; 14. a pressure sensor; 15. and a wireless transmission mechanism.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses a nut loosening prevention early warning device.
As shown in fig. 1 and 2, the early warning device for preventing the nut from loosening comprises a main frame 1 and a monitoring mechanism 2 arranged on the main frame 1. Through installing body frame 1 on the tower crane, real-time supervision is carried out to the not hard up condition of nut to rethread monitoring mechanism 2 to when the nut appears not hard up, personnel are waited in quick timely notice, play the early warning effect, and personnel fasten and detect not hard up nut when obtaining early warning signal, thereby the potential safety hazard of greatly reduced tower crane.
As shown in fig. 1 and 3, the main frame 1 includes an intermediate plate 3 and side plates 4 fixed on both sides of the intermediate plate 3, the two side plates 4 and the intermediate plate 3 form a U-shape, and the main frame 1 in the U-shape is sleeved and slid on the tower crane. A limiting plate 5 is fixedly connected to one side plate 4, so that the main frame 1 can slide on the tower crane stably, and the main frame 1 is not interfered to be detached from the tower crane.
Be equipped with coupling mechanism on the body frame 1, coupling mechanism is used for 1 fixed mounting of body frame on the tower crane, also can demolish body frame 1 from the tower crane simultaneously, realizes that body frame 1 can dismantle on the tower crane.
As shown in fig. 1 and 4, in particular, the connecting mechanism comprises a screw rod 6 rotatably connected to the side plate 4, the side plate 4 is not fixed with a limiting plate 5, and the length direction of the screw rod 6 is perpendicular to the plane of the side plate 4. Through screwing up screw rod 6 and make the tip of screw rod 6 support tightly on the tower crane, realize the fixed mounting of body frame 1 on the tower crane. The main frame 1 can be detached from the tower crane by unscrewing the screw 6.
As shown in fig. 1 and 5, a T-shaped groove 7 is formed in the end wall of the main frame 1, the T-shaped groove 7 extends along the length direction of the tower crane, a T-shaped block 8 (shown in fig. 6) is slidably arranged on the T-shaped groove 7, and the T-shaped block 8 and the T-shaped groove 7 are in clearance fit. The T-shaped block 8 is fixedly connected with a main board 9, and the plane of the main board 9 is perpendicular to the plane of the middle board 3. A sliding movement of the main plate 9 on the intermediate plate 3 is achieved.
The main frame 1 is provided with a locking mechanism for locking the sliding of the main plate 9. Specifically, the intermediate plate 3 is provided with a chute 10 along the length direction of the tower crane, and the chute 10 is provided in the intermediate plate 3.
As shown in fig. 5 and 6, the locking mechanism includes a slider 11 and a lead screw 12, wherein the slider 11 is slidably disposed on the slide groove 10. The screw rod 12 penetrates through the sliding block 11, the screw rod 12 is in threaded fit with the sliding block 11, and the length direction of the screw rod 12 is perpendicular to the length direction of the sliding chute 10. One end of the screw rod 12 is used for tightly abutting against the T-shaped block 8, the other end of the screw rod 12 penetrates through the middle plate 3 and is fixedly connected with a handle, and the handle is convenient for a person to operate the screw rod 12 to rotate. The side plate 4 is provided with a waist-shaped groove 7, and the sliding of the sliding block 11 can drive the screw rod 12 to slide, so that the waist-shaped groove 7 is used for realizing the sliding action of the screw rod 12 on the main frame 1.
The T-shaped block 8 is tightly abutted in the T-shaped groove 7 by the screw rod 12 through rotating the screw rod 12, so that the T-shaped block 8 is locked, and the main board 9 is indirectly locked.
The jack 13 has been seted up on the end wall that T type piece 8 is close to lead screw 12, and this jack 13 is used for the tip butt of lead screw 12 to make lead screw 12 form the joint effect to T type piece 8, thereby further improve the locking effect to mainboard 9, reduce the condition that mainboard 9 takes place to slide when the locking.
As shown in fig. 1 and 2, the monitoring mechanism 2 is disposed on the main board 9, specifically, the monitoring mechanism 2 includes a pressure sensor 14 and a wireless transmission mechanism 15, and the pressure sensor 14 is connected to the wireless transmission mechanism 15 through a wire. Further, the wireless transmission mechanism 15 is an infrared transmitter or a transmitting antenna for converting the electric signal emitted from the pressure sensor 14 into a light form or an electromagnetic wave form. Wherein, pressure sensor 14 fixed mounting is on the diapire of mainboard 9 for detect the not hard up condition of nut, in case the nut appears not hard up, then can touch pressure sensor 14, thereby send out early warning signal, and wireless transmission mechanism 15 fixed mounting is on the roof of mainboard 9.
And monitoring mechanism 2 slides on body frame 1 and sets up, helps the adjustment of monitoring mechanism 2 position, also can match the nut of different height dimensions, carries out not hard up monitoring to the nut of different specifications to improve the practicality.
The early warning device further comprises a wireless receiving mechanism, specifically, the wireless receiving mechanism is an infrared receiver or a receiving antenna, can be a mobile terminal and also can be a fixed terminal, and is set according to actual conditions. The infrared transmitter transmits an electric signal of the pressure sensor 14, and the infrared receiver receives the electric signal; if the signal is a transmitting antenna, the transmitting antenna transmits the electric signal of the pressure sensor 14 through electromagnetic waves, and the receiving antenna receives the early warning signal, so that the early warning effect on personnel is achieved.
The implementation principle is as follows:
sleeving the main frame 1 on a tower crane, and rotating the screw 6 to fixedly install the main frame 1 on the tower crane;
the position of the main board 9 is adjusted in a sliding mode, so that the distance between the pressure sensor 14 and the nut is smaller than or equal to zero;
rotating the screw rod 12 to enable the end part of the screw rod 12 to be inserted into the T-shaped block 8, and locking the position of the pressure sensor 14;
in case the nut appears becoming flexible, pressure sensor 14 then in time sends early warning signal to personnel, makes things convenient for personnel accurate in time to fasten the nut, reduces the potential safety hazard.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a prevent not hard up early warning device of nut which characterized in that: the device comprises a main frame (1) arranged on a tower crane and a monitoring mechanism (2) arranged on the main frame (1) and used for monitoring nut loosening, wherein the monitoring mechanism (2) comprises a pressure sensor (14) and a wireless transmission mechanism (15) connected to the pressure sensor (14) and used for sending out an early warning signal;
the device also comprises a wireless receiving mechanism for receiving the early warning signal sent by the wireless transmission mechanism (15).
2. The early warning device for preventing the nut from loosening according to claim 1, wherein: the tower crane is characterized in that a T-shaped groove (7) is formed in the main frame (1) along the length direction of the tower crane, T-shaped blocks (8) are arranged on the T-shaped groove (7) in a sliding mode, main boards (9) are fixedly arranged on the T-shaped blocks (8), monitoring mechanisms (2) are arranged on the main boards (9), and locking mechanisms used for locking the main boards (9) in a sliding mode are arranged on the main frame (1).
3. The early warning device for preventing the nut from loosening as claimed in claim 2, wherein: mainboard (9) have seted up spout (10) along tower crane length direction, locking mechanical system is used for supporting tight lead screw (12) on T type groove (7) inner wall with T type piece (8) including sliding slider (11) and the rotation spiro union that sets up on spout (10) on slider (11), screw-thread fit between lead screw (12) and slider (11).
4. The early warning device for preventing the nut from loosening according to claim 3, wherein: and a handle is fixedly arranged at one end of the screw rod (12) far away from the main board (9).
5. The early warning device for preventing the nut from loosening according to claim 3, wherein: and the end wall of the T-shaped block (8) is provided with an insertion hole (13) for abutting against the end part of the screw rod (12).
6. The early warning device for preventing the nut from loosening according to claim 1, wherein: the tower crane is characterized in that a connecting mechanism used for fixing the main frame (1) on the tower crane is arranged on the main frame (1), and the main frame (1) is detachably arranged on the tower crane through the connecting mechanism.
7. The early warning device for preventing the nut from loosening according to claim 6, wherein: body frame (1) includes intermediate lamella (3) and sets up curb plate (4) in intermediate lamella (3) both sides, two curb plate (4) with intermediate lamella (3) are the U shape, coupling mechanism is used for supporting screw rod (6) of tight tower crane on arbitrary curb plate (4) including rotating the connection, be screw-thread fit between screw rod (6) and curb plate (4).
8. The early warning device for preventing the nut from loosening according to claim 1, wherein: the wireless transmission mechanism (15) comprises an infrared transmitter or a transmitting antenna, and the wireless receiving mechanism is an infrared receiver or a receiving antenna.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120664918.1U CN214277271U (en) | 2021-04-01 | 2021-04-01 | Prevent not hard up early warning device of nut |
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CN202120664918.1U CN214277271U (en) | 2021-04-01 | 2021-04-01 | Prevent not hard up early warning device of nut |
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CN214277271U true CN214277271U (en) | 2021-09-24 |
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CN202120664918.1U Expired - Fee Related CN214277271U (en) | 2021-04-01 | 2021-04-01 | Prevent not hard up early warning device of nut |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114541733A (en) * | 2022-02-28 | 2022-05-27 | 重庆建工集团股份有限公司 | Pre-assembled operating platform |
CN115219754A (en) * | 2022-09-21 | 2022-10-21 | 扬州万泰电子科技有限公司 | Smart electric meter with regularly maintain function |
-
2021
- 2021-04-01 CN CN202120664918.1U patent/CN214277271U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114541733A (en) * | 2022-02-28 | 2022-05-27 | 重庆建工集团股份有限公司 | Pre-assembled operating platform |
CN115219754A (en) * | 2022-09-21 | 2022-10-21 | 扬州万泰电子科技有限公司 | Smart electric meter with regularly maintain function |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210924 |
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CF01 | Termination of patent right due to non-payment of annual fee |