CN217767602U - Bolt anti-loosening alarm device - Google Patents
Bolt anti-loosening alarm device Download PDFInfo
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- CN217767602U CN217767602U CN202221380171.8U CN202221380171U CN217767602U CN 217767602 U CN217767602 U CN 217767602U CN 202221380171 U CN202221380171 U CN 202221380171U CN 217767602 U CN217767602 U CN 217767602U
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- thimble
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- elastic piece
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Abstract
The utility model discloses a bolt locking alarm device, include: the approach assembly comprises a thimble and an elastic piece arranged at one end of the thimble, the elastic direction of the elastic piece is parallel to the length direction of the thimble, and a first contact is arranged on the side wall of the thimble; a control loop of the alarm is provided with a second contact which is arranged on one side of the first contact, which is close to the elastic piece; when the thimble moves to one side close to the elastic piece to the contact of the first contact and the second contact, the control circuit is conducted, and the alarm gives an alarm. The utility model has the advantages of can real time monitoring engineering machine tool transmission fastening bolt's not hard up state to send when fastening bolt surpasss reasonable loose amount of movement and report to the police.
Description
Technical Field
The utility model relates to an engineering machine tool control field. More specifically speaking, the utility model relates to a bolt locking alarm device.
Background
The tunnel construction production environment is severe, and the work load of the engineering machinery is usually large. The heavy load operation leads to the engineering equipment maintenance cycle to shorten, and mechanical failure frequently takes place, and especially transmission receives all kinds of impact load influence, leads to life to reduce, easily takes place fastening bolt not hard up, phenomenon such as impact fracture, leads to the emergence of incident.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bolt locking alarm device to real time monitoring engineering machine tool transmission fastening bolt's not hard up state.
In order to realize according to the utility model discloses an aim at and other advantages provide a bolt locking alarm device, include:
the approach assembly comprises a thimble and an elastic piece arranged at one end of the thimble, the elastic direction of the elastic piece is parallel to the length direction of the thimble, and a first contact is arranged on the side wall of the thimble;
a control loop of the alarm is provided with a second contact which is arranged on one side of the first contact, which is close to the elastic piece; wherein the content of the first and second substances,
when the thimble moves to one side close to the elastic piece and the first contact and the second contact are contacted, the control circuit is conducted, and the alarm gives an alarm.
Preferably, the bolt anti-loosening warning device further includes: the guide plate is provided with a strip-shaped guide groove, and the guide groove is connected with the thimble in a sliding manner along the length direction of the thimble through a guide sliding block fixedly arranged on the side wall of the thimble; the connecting plate is arranged on one side, close to the elastic piece, of the guide plate and perpendicular to the elastic piece, a clamping groove is formed in the position, opposite to the elastic piece, of the connecting plate, one end of the elastic piece is fixedly connected with one end of the ejector pin, and the other end of the elastic piece is clamped with the clamping groove.
Preferably, in the bolt anti-loosening alarm device, a first adjusting plate perpendicular to the guide plate is arranged on the upper side of the guide plate along the length direction of the guide plate, a through groove is formed in the first adjusting plate along the length direction of the first adjusting plate, a second adjusting plate matched with the first adjusting plate is fixedly arranged on the connecting plate, a screw hole is formed in the second adjusting plate, and the first adjusting plate and the second adjusting plate are detachably connected through a bolt matched with the through groove and the screw hole; the second contact is fixedly arranged on the guide plate through a support rod.
Preferably, the bolt anti-loosening alarm device further comprises: the guide post is fixedly arranged at one end of the ejector pin and is coaxially arranged with the ejector pin, a convex edge is arranged at one end of the guide post, which is connected with the ejector pin, along the circumferential direction of the guide post, the other end of the guide post is suspended in the air, and a gap is reserved between the other end of the guide post and the connecting plate; the elastic part is sleeved with a spring on the guide post, one end of the spring is fixedly connected with the convex edge, and the other end of the spring is clamped with the clamping groove.
Preferably, the distance of the gap of the bolt anti-loosening alarm device is less than or equal to 5mm.
Preferably, in the bolt anti-loosening alarm device, the upper end of the connecting plate protrudes out of the guide plate.
Preferably, the bolt anti-loosening alarm device is a sound-light alarm.
The utility model discloses at least, include following beneficial effect:
the utility model discloses a bolt locking alarm device can real time monitoring engineering machine tool transmission fastening bolt's not hard up state, when fastening bolt surpassed safe loose amount, arouses audible-visual alarm, suggestion operation or maintenance personal in time eliminate the potential safety hazard. The device has simple structure, convenient maintenance and low installation and use cost; the stable electromechanical alarm device is adopted, the performance is stable and reliable, the economic benefit is considerable, and the device can be widely popularized and used in engineering machinery.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a bolt anti-loosening alarm device according to an embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1, the utility model provides a bolt locking alarm device, include:
the approach assembly comprises a thimble 1 and an elastic piece 2 arranged at one end of the thimble, the elastic direction of the elastic piece 2 is parallel to the length direction of the thimble 1, and a first contact 3 is arranged on the side wall of the thimble 1;
a control loop 5 of the alarm 4 is provided with a second contact 6, and the second contact 6 is arranged on one side, close to the elastic part 2, of the first contact 3; wherein the content of the first and second substances,
when the thimble 1 moves to one side close to the elastic part 2 and the first contact 3 and the second contact 6 are contacted, the control loop 5 is conducted, and the alarm 4 gives an alarm.
In the above embodiment, the bolt looseness prevention alarm device includes a proximity device and an alarm. The approaching device comprises a thimble and an elastic piece, wherein the elastic piece is arranged at one end of the thimble, the elastic direction of the elastic piece is parallel to the length direction of the thimble, and the side wall of the thimble is provided with two first contacts. The control circuit of the alarm is provided with a second contact, the second contact is arranged on one side, close to the elastic piece, of the first contact, the distance between the second contact and the first contact is a preset bolt safety loosening amount, and the number of the second contacts is preferably two. When the thimble moves to one side close to the elastic part and contacts with the two first contacts and the two second contacts, the control circuit is conducted, and the alarm gives an alarm.
During the use, set up the thimble along fastening bolt's axis to make the other end of thimble and fastening bolt's terminal surface contact, when fastening bolt takes place to become flexible, fastening bolt extrudees the thimble, make the thimble move to the one side that is close to the elastic component, when fastening bolt's looseness surpassed safe looseness volume, first contact and the contact of second contact, control circuit switches on, gives the alarm with not hard up signal transmission, and trigger the alarm and report to the police, suggestion operating personnel in time carries out fastening work, eliminates the potential safety hazard.
The utility model discloses bolt locking alarm device can real time monitoring engineering machine tool transmission fastening bolt's not hard up state, when fastening bolt surpassed safe loose momentum, arouses the warning, and suggestion operation or maintenance personal in time eliminate the potential safety hazard. The device has simple structure, convenient maintenance and low installation and use cost; the stable electromechanical alarm device is adopted, the performance is stable and reliable, the economic benefit is considerable, and the device can be widely popularized and used in engineering machinery.
In another embodiment, the bolt anti-loosening warning device further comprises: the guide plate 7 is provided with a long-strip-shaped guide groove (not shown), and the guide groove is connected with the thimble 1 in a sliding manner along the length direction of the thimble 1 through a guide sliding block (not shown) fixedly arranged on the side wall of the thimble 1; the connecting plate 8 is arranged on one side, close to the elastic part 2, of the guide plate 7 and is perpendicular to the elastic part 2, a clamping groove (not shown) is formed in the position, opposite to the elastic part 2, of the connecting plate 8, one end of the elastic part 2 is fixedly connected with one end of the ejector pin 1, and the other end of the elastic part is connected with the clamping groove in a clamped mode. Here, through setting up deflector and connecting plate to fixed thimble and elastic component, and realize that the thimble is under the extrusion of fastening bolt, along the length direction steady movement of thimble.
In another embodiment, in the bolt anti-loose alarm device, a first adjusting plate 9 perpendicular to the guide plate 7 is arranged on the upper side of the guide plate along the length direction of the guide plate, a through groove (not shown) is arranged on the first adjusting plate 9 along the length direction of the guide plate, a second adjusting plate 10 matched with the first adjusting plate 9 is fixedly arranged on the connecting plate 8, screw holes (not shown) are preferably arranged on the second adjusting plate 10, the number of the screw holes is two, the length of the first adjusting plate 9 is smaller than that of the second adjusting plate 10, and the first adjusting plate 9 and the second adjusting plate 10 are detachably connected through bolts 11 matched with the through groove and the screw holes; the second contact 6 is fixed to the guide plate 7 by a support rod (not shown). Here, the guide plate and the connecting plate are detachably connected through a first adjusting plate and a second adjusting plate to adjust the initial position of the thimble in the guide groove through the connecting plate, thereby realizing adjustment of the distance between the first contact and the second contact according to a preset safe loosening amount.
In another embodiment, the bolt anti-loosening warning device further comprises: a guide post (not shown) which is fixedly arranged at one end of the thimble 1 and is coaxial with the thimble 1, wherein one end of the guide post, which is connected with the thimble 1, is provided with a convex edge 12 along the circumferential direction, and the other end of the guide post is suspended in the air and is provided with a gap with the connecting plate 8; the elastic part 2 is a spring sleeved on the guide post, one end of the spring is fixedly connected with the convex edge 12, and the other end of the spring is clamped with the clamping groove. Here, through add the guide post to guide the spring displacement, make the axial displacement of spring along the guide post, the transmission is more stable.
In another embodiment, the distance of the gap of the bolt anti-loosening alarm device is less than or equal to 5mm.
In another embodiment of the bolt anti-loosening alarm device, the upper end of the connecting plate 8 protrudes out of the guide plate 7 and is used for being connected with a machine body of the engineering machine so as to fix the device on the engineering machine.
In another embodiment, the alarm 4 is an audible and visual alarm, and during alarming, the audible and visual alarm can give out an audible alarm and a light alarm at the same time so as to improve the warning effect.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (7)
1. Bolt locking alarm device, its characterized in that includes:
the approach assembly comprises a thimble and an elastic piece arranged at one end of the thimble, the elastic direction of the elastic piece is parallel to the length direction of the thimble, and a first contact is arranged on the side wall of the thimble;
a control loop of the alarm is provided with a second contact which is arranged on one side of the first contact, which is close to the elastic piece; wherein the content of the first and second substances,
when the thimble moves to one side close to the elastic part and the first contact and the second contact are contacted, the control circuit is conducted, and the alarm gives an alarm.
2. The anti-loosening bolt alarm device according to claim 1, further comprising: the guide plate is provided with a strip-shaped guide groove, and the guide groove is connected with the thimble in a sliding manner along the length direction of the thimble through a guide sliding block fixedly arranged on the side wall of the thimble; the connecting plate is arranged on one side, close to the elastic piece, of the guide plate and perpendicular to the elastic piece, a clamping groove is formed in the position, opposite to the elastic piece, of the connecting plate, one end of the elastic piece is fixedly connected with one end of the ejector pin, and the other end of the elastic piece is clamped with the clamping groove.
3. The bolt anti-loosening alarm device according to claim 2, wherein a first adjusting plate perpendicular to the guide plate is arranged on the upper side of the guide plate along the length direction of the guide plate, a through groove is formed in the first adjusting plate along the length direction of the guide plate, a second adjusting plate matched with the first adjusting plate is fixedly arranged on the connecting plate, a screw hole is formed in the second adjusting plate, and the first adjusting plate and the second adjusting plate are detachably connected through a bolt matched with the through groove and the screw hole; the second contact is fixedly arranged on the guide plate through a support rod.
4. A bolt looseness prevention warning device of claim 2, further comprising: the guide post is fixedly arranged at one end of the ejector pin and is coaxially arranged with the ejector pin, a convex edge is arranged at one end of the guide post, which is connected with the ejector pin, along the circumferential direction of the guide post, the other end of the guide post is suspended in the air, and a gap is reserved between the other end of the guide post and the connecting plate; the elastic part is sleeved with a spring on the guide post, one end of the spring is fixedly connected with the convex edge, and the other end of the spring is clamped with the clamping groove.
5. The anti-loosening bolt alarm device according to claim 4, wherein the distance of the gap is 5mm or less.
6. A bolt looseness prevention alarm device according to claim 2, wherein an upper end of the connecting plate protrudes from the guide plate.
7. A bolt looseness prevention alarm device according to claim 1, wherein said alarm is an audible and visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221380171.8U CN217767602U (en) | 2022-06-02 | 2022-06-02 | Bolt anti-loosening alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221380171.8U CN217767602U (en) | 2022-06-02 | 2022-06-02 | Bolt anti-loosening alarm device |
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| Publication Number | Publication Date |
|---|---|
| CN217767602U true CN217767602U (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221380171.8U Active CN217767602U (en) | 2022-06-02 | 2022-06-02 | Bolt anti-loosening alarm device |
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| CN (1) | CN217767602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117842872A (en) * | 2024-03-08 | 2024-04-09 | 浙江省三建建设集团有限公司 | Early warning device and method for monitoring loosening of standard section bolt of tower crane |
-
2022
- 2022-06-02 CN CN202221380171.8U patent/CN217767602U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117842872A (en) * | 2024-03-08 | 2024-04-09 | 浙江省三建建设集团有限公司 | Early warning device and method for monitoring loosening of standard section bolt of tower crane |
| CN117842872B (en) * | 2024-03-08 | 2024-05-07 | 浙江省三建建设集团有限公司 | Early warning device and method for monitoring loosening of standard section bolt of tower crane |
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