CN218034865U

CN218034865U - Crane supporting leg looseness detection device

Info

Publication number: CN218034865U
Application number: CN202222175752.4U
Authority: CN
Inventors: 张志安
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-13
Anticipated expiration: 2032-08-18

Abstract

The utility model provides a not hard up detection device of hoist landing leg relates to hoist technical field, including last landing leg and displacement sensor digital display instrument, the supporting landing leg down that is provided with of interior table wall of going up the landing leg, the bottom fixedly connected with heel brace of landing leg down, the equal fixedly connected with of surface of going up landing leg and lower landing leg. The utility model discloses in, during the use, when landing leg downstream, through fixing base and the fixed matching of second, played the effect that drives the spoiler gliding downwards, the displacement distance that produces this moment, induction module, induction coil component and spoiler cooperate with conversion module, played the effect that the straight line mechanical displacement volume that will produce converts the signal of telecommunication into, then whether normal through displacement sensor digital display instrument observed data to the completion is to the detection achievement of landing leg, avoids taking place the hidden danger.

Description

Crane supporting leg looseness detection device

Technical Field

The utility model relates to a hoist technical field especially relates to a not hard up detection device of hoist landing leg.

Background

The crane supporting legs are important components of the crane, the safety problem of the crane is concerned, and if the supporting legs are loosened, the crane can turn over and other serious consequences can be caused.

In the prior art, for example, in chinese patent CN211496697U, a crane with a leg looseness detection device includes: including fixed landing leg, the activity landing leg and the controller of being connected with fixed landing leg, the activity landing leg is installed in fixed landing leg, and can be in fixed landing leg along the axial displacement of fixed landing leg, be provided with infrared emitter along the axial of fixed landing leg in the fixed landing leg, the top of activity landing leg just is being provided with the speculum to infrared emitter department, is provided with infrared receiver in the fixed landing leg, infrared receiver is connected with the controller electricity, the utility model discloses when the hoist takes place to incline, the infrared ray that sends with the infrared emitter that fixed landing leg is connected can be received by infrared receiver after the speculum reflection of being connected with the activity landing leg, and the controller judges that the hoist takes place to incline, low cost, and the precision of judgement is higher, has played fine early warning effect to the hoist slope, though this patent can accomplish to the not hard up effect of detecting when leading to the slope of hoist landing leg.

However, when the slider and the nylon block inside the leg are worn seriously and become loose, the lifting distance of the leg may be deviated, the speed during lifting may be changed, the leg may not be inclined during lifting, the detection result may be deviated, and there is a certain hidden danger.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that there is the hoist landing leg not hard up detection device who provides that wearing and tearing such as the inside slider of landing leg and nylon piece are serious and cause not hard up among the prior art, the lift distance of landing leg probably produces the deviation to speed when going up and down can change, can not necessarily take place the slope when going up and down, leads to the testing result probably to appear the deviation, has certain hidden danger.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a not hard up detection device of hoist landing leg, includes landing leg and displacement sensor digital display instrument, the supporting landing leg that is provided with down of interior table wall of going up the landing leg, the bottom fixedly connected with heel brace of landing leg down, the equal fixedly connected with of surface of going up landing leg and lower landing leg, the fixing base, interior caulking groove has been seted up on the front surface of fixing base, one of them the inside slip of interior caulking groove is provided with first fixed handle, the circular shell of bottom fixedly connected with of first fixed handle, the interior top of circular shell is provided with induction module, induction module's bottom fixedly connected with induction coil component, induction coil component's surface slip cover is equipped with the spoiler, the surface of spoiler is close to the circular piece of position fixedly connected with at top, the fixed handle of bottom fixedly connected with second of spoiler, the surface of the fixed handle of second is the slip setting with interior table wall of interior caulking groove, displacement sensor digital display instrument's surface electric connection has conversion module, conversion module and induction module are electric connection.

Preferably, the outer surface of the circular block is slidably disposed on the inner surface wall of the circular housing, and the outer surface of the spoiler slidably penetrates the bottom of the circular housing and extends downward.

Preferably, the inner surface wall of the inner caulking groove is symmetrically provided with limiting grooves, and the inner part of the inner caulking groove is fixedly connected with springs.

Preferably, one end of the spring is fixedly connected with a circular plate, and the outer surface of the circular plate is symmetrically and fixedly connected with limiting blocks.

Preferably, the outer surfaces of the two circular plates are respectively attached to the outer surfaces of the first fixing handle and the second fixing handle, and the inner surface wall of the limiting groove and the outer surface of the limiting block are arranged in a sliding mode.

Preferably, the front surface of the fixing seat is in threaded connection with the threaded covers at positions where the embedded grooves are formed, and the rear surfaces of the threaded covers are respectively attached to the outer surfaces of the first fixing handle and the second fixing handle.

Preferably, a screwing cap is fixedly connected to the front surface of the screw cap.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, during the use, when landing leg downstream, through fixing base and the fixed matching of second, played the effect that drives the spoiler gliding downwards, the displacement distance that produces this moment, induction module, induction coil component and spoiler cooperate with conversion module, played the effect that the straight line mechanical displacement volume that will produce converts the signal of telecommunication into, then whether normal through displacement sensor digital display instrument observed data to the completion is to the detection achievement of landing leg, avoids taking place the hidden danger.

2. The utility model discloses in, through with first fixed with the second fixed in pressing into the embedded groove of two fixing bases, then move through twisting to twist the cap and drive the screw cap and rotate, played and carried out the effect of fixing to it, during the dismantlement, with the screw cap roll out can, played the effect that makes things convenient for the dismouting.

3. The utility model discloses in, played through setting up spring cooperation circular slab with first fixed with the second fixed effect to the reality, prevent the during operation because the screw thread lid is not hard up and lead to the unstable problem of device.

Drawings

Fig. 1 is a top view of a crane supporting leg looseness detection device provided by the utility model;

FIG. 2 is a cross-sectional expanded view of the circular shell of the crane leg looseness detecting device provided by the utility model;

fig. 3 is a bottom view of the crane leg looseness detecting device provided by the utility model;

fig. 4 is the utility model provides a not hard up detection device fixing base's of crane landing leg cross-sectional view.

Illustration of the drawings: 1. an upper support leg; 11. a lower leg; 12. a foot support; 2. a circular shell; 21. a first fixed handle; 22. a sensing module; 23. an induction coil element; 24. a spoiler; 25. a circular block; 26. a second fixed handle; 3. a conversion module; 31. a displacement sensor digital display instrument; 4. a fixed seat; 41. an embedded groove is formed; 42. a limiting groove; 43. a spring; 44. a circular plate; 45. a limiting block; 5. a threaded cap; 51. and (6) screwing the cap.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-4, the utility model provides a not hard up detection device of crane landing leg, including last landing leg 1 and displacement sensor digital display instrument 31, the supporting lower landing leg 11 that is provided with of interior table wall of last landing leg 1, the bottom fixedly connected with foot support 12 of lower landing leg 11, the equal fixedly connected with of surface of last landing leg 1 and lower landing leg 11, fixing base 4, interior caulking groove 41 has been seted up to the front surface of fixing base 4, the inside slip of one of them interior caulking groove 41 is provided with first fixed 21, the bottom fixedly connected with round shell 2 of first fixed 21, the interior top of round shell 2 is provided with induction module 22, the bottom fixedly connected with induction coil component 23 of induction module 22, the surface sliding sleeve of induction coil component 23 is equipped with spoiler 24, the position fixedly connected with round piece 25 that the surface of spoiler 24 is close to the top, the bottom fixedly connected with second of spoiler 24 is fixed 26, the surface of second is the slip setting with the interior table wall of 26, the surface electrical connection of displacement sensor has conversion module 3, conversion module 3 and induction module 22 are the electrical connection round shell 2 that the outer surface of spoiler runs through the round shell of inner surface slip setting to digital display instrument 2, the bottom slip setting of spoiler.

The whole embodiment 1 of the device has the advantages that the model of the displacement sensor digital display instrument 31 is DS8A-RRN, the model of the conversion module 3 is RS485, the induction module 22 can also be called as a PCB (printed circuit board), the circular shell 2, the induction module 22, the induction coil element 23 and the spoiler 24 are matched to form the displacement sensor, the model is KPM12J, the above are the existing mature technologies, the model can be changed according to the actual situation, when the lower landing leg 11 moves downwards, the fixed seat 4 and the second fixed seat 26 are matched to play a role in driving the spoiler 24 to slide downwards, the displacement distance generated at the moment is long, the induction module 22, the induction coil element 23 and the spoiler 24 are matched with the conversion module 3 to play a role in converting the generated linear mechanical displacement into an electric signal, and then whether the data is normal or not is observed through the displacement sensor digital display instrument 31, so that the detection work of the landing leg is completed, hidden danger is avoided, and the circular block 25 plays a role in limiting the spoiler 24.

Embodiment 2, as shown in fig. 1-4, a limiting groove 42 has been seted up to the interior surface wall symmetry of embedded groove 41, the inside fixedly connected with spring 43 of embedded groove 41, the one end fixedly connected with circular plate 44 of spring 43, the outer surface symmetry fixedly connected with stopper 45 of circular plate 44, the surface of two circular plates 44 is the laminating setting in the surface of first fixed handle 21 and second fixed handle 26 respectively, the interior surface wall of limiting groove 42 is the slip setting with the surface of stopper 45, the equal threaded connection in position of embedded groove 41 of front surface of fixing base 4 has screw cap 5, the rear surface of two screw caps 5 is the laminating setting in the surface of first fixed handle 21 and second fixed handle 26 respectively, the front surface fixedly connected with of screw cap 5 screws up cap 51.

The effect that its whole embodiment 2 reaches does, through pressing into the embedded groove 41 of two fixing bases 4 first fixed 21 and second to 26, then it drives screw cap 5 through twisting to move to twist cap 51 and rotate, played the effect of fixing it, during the dismantlement, with screw cap 5 roll-out can, the effect of making things convenient for the dismouting has been played, spring 43 cooperation circular plate 44 has played and has been fixed 21 and second to 26 the effect of reality, prevent that the during operation from leading to the device unstable because screw cap 5 is not hard up.

The working principle is as follows: during installation, through pressing first fixed 21 and second into embedded groove 41 of two fixing bases 4, then it drives screw cap 5 to rotate to have played the effect of fixing it through twisting to twist cap 51, when dismantling, turn screw cap 5 out can, the effect of making things convenient for the dismouting has been played, spring 43 cooperation circular plate 44 has played and has supported the effect of reality with first fixed 21 and second fixed 26, prevent to lead to the device unstable because screw cap 5 is not hard up during operation, when using, when landing leg 11 moves down, cooperate through fixing base 4 and second fixed 26, the effect of driving spoiler 24 gliding down has been played, the displacement distance that produces this moment, response module 22, response coil component 23 and spoiler 24 cooperate with conversion module 3, the effect of converting the straight line mechanical displacement volume that produces into the signal of telecommunication has been played, then observe through displacement sensor digital display instrument 31 whether normal, thereby accomplish the work of detecting to the landing leg, the effect of avoiding the hidden danger has been played.

The utility model provides a wiring diagram of induction module 22, induction coil component 23, spoiler 24, conversion module 3 and displacement sensor digital display instrument 31 belongs to the common general knowledge in this field, and its theory of operation is the already known technique, and its model selects suitable model according to in-service use, so to induction module 22, induction coil component 23, spoiler 24, conversion module 3 and displacement sensor digital display instrument 31 no longer explain in detail the control mode and wiring arrangement.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a not hard up detection device of hoist landing leg, includes landing leg and displacement sensor digital display instrument, its characterized in that: the supporting landing leg that is provided with down of interior table wall of going up the landing leg, the bottom fixedly connected with heel brace of landing leg down, the equal fixedly connected with of surface of going up landing leg and lower landing leg, fixing base, interior caulking groove has been seted up on the front surface of fixing base, and one of them the inside slip of interior caulking groove is provided with first fixed handle, the circular shell of bottom fixedly connected with of first fixed handle, the interior top of circular shell is provided with induction module, induction module's bottom fixedly connected with induction coil component, induction coil component's surface slip cover is equipped with the spoiler, the surface of spoiler is close to the position fixedly connected with circular piece at top, the fixed handle of bottom fixedly connected with second of spoiler, the surface of the fixed handle of second is the slip setting with the interior table wall of interior caulking groove, the surface electrically connected with conversion module of displacement sensor digital display instrument, conversion module and induction module are electric connection.

2. The crane leg looseness detection device of claim 1, wherein: the outer surface of the circular block and the inner surface wall of the circular shell are arranged in a sliding mode, and the outer surface of the spoiler penetrates through the bottom of the circular shell in a sliding mode and extends to the lower side.

3. The crane leg looseness detection device according to claim 1, wherein: the limiting groove is symmetrically formed in the inner surface wall of the inner embedded groove, and the spring is fixedly connected inside the inner embedded groove.

4. A crane leg looseness detection apparatus according to claim 3, wherein: one end fixedly connected with circular slab of spring, the surface symmetry fixedly connected with stopper of circular slab.

5. A crane leg looseness detection apparatus according to claim 4, wherein: the outer surfaces of the two circular plates are respectively attached to the outer surfaces of the first fixing handle and the second fixing handle, and the inner surface wall of the limiting groove and the outer surface of the limiting block are arranged in a sliding mode.

6. The crane leg looseness detection device of claim 1, wherein: the front surface of the fixing seat is in threaded connection with threaded covers at positions where the embedded grooves are located, and the rear surfaces of the threaded covers are respectively attached to the outer surfaces of the first fixing handle and the second fixing handle.

7. The crane leg looseness detection device of claim 6, wherein: the front surface of the threaded cover is fixedly connected with a screwing cap.