CN210260908U

CN210260908U - Load monitoring and early warning device of electric slewing crane

Info

Publication number: CN210260908U
Application number: CN201920954810.9U
Authority: CN
Inventors: 李建建; 葛飞; 李琼
Original assignee: Zhenjiang Yuanfeng Machinery Equipment Co Ltd
Current assignee: Zhenjiang Yuanfeng Machinery Equipment Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-04-07
Anticipated expiration: 2029-06-24

Abstract

The utility model relates to an electric rotary crane technical field just discloses a load monitoring early warning device that electric rotary crane, the on-line screen storage device comprises a base, the inside fixed mounting of base has the support column, the inside movable mounting of support column has the support frame. This load monitoring early warning device that electronic gyration was hung, prescribe a limit to the support column through the base, avoid producing the skew about it, when support frame and cylinder area wire winding case and surge tank remove, the stay cord can produce the pressure of left and right rocking to press to force transducer, can produce slight deformation for the rubber slab through the connecting plate, make the connecting plate cause pressure to the connecting rod, remove to the spring direction through the connecting rod, the connecting rod makes the locating piece press on the spring, utilize the spring can slow down the characteristic of inertial force, the effectual inertial force that produces when reducing the stay cord left and right rocking, and protect force transducer, the good mesh of protectiveness has been reached.

Description

Load monitoring and early warning device of electric slewing crane

Technical Field

The utility model relates to a fixed slot technical field specifically is a load monitoring early warning device that electronic gyration was hung.

Background

The cantilever crane is a small and medium-sized hoisting device developed in recent years, has the characteristics of unique structure, safety, reliability, high efficiency, energy conservation, time and labor conservation, flexibility and the like, can be operated randomly in three-dimensional space, and shows superiority in the occasions of section distance and intensive transportation compared with other conventional hoisting devices.

Load monitoring early warning device that electronic gyration hung in the existing market is various, but the in-process that the gyration hung the operation because the pulling force of heavy object to the stay cord for the stay cord is removing and the in-process that rocks, causes relatively great pressure to monitoring devices, if do not have a specific protection architecture, leads to monitoring devices to become flexible very easily and produce the damage, so provides a load monitoring early warning device that electronic gyration hung and solve the above-mentioned problem that provides.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a load monitoring early warning device that electronic gyration was hung possesses advantages such as protectiveness is good, has solved the gyration and has hung the in-process of operation, because the heavy object is to the pulling force of stay cord for the stay cord is removing and the in-process that rocks, causes relatively great pressure to monitoring device, if do not have a specific protection architecture, leads to monitoring device not hard up and produce the problem of damaging very easily.

(II) technical scheme

For the purpose that realizes above-mentioned protectiveness is good, the utility model provides a following technical scheme: a load monitoring and early warning device of an electric slewing crane comprises a base, wherein a support column is fixedly arranged inside the base, a support frame is movably arranged inside the support column, an air cylinder is fixedly arranged inside the support frame, a movable block is movably arranged inside the air cylinder, a wire winding box is fixedly arranged at the bottom of the movable block, a shock absorption box is fixedly arranged at the bottom of the wire winding box, a stay cord is movably arranged inside the wire winding box, one end, far away from the support frame, of the stay cord penetrates through the bottom wall of an inner cavity of the wire winding box and extends to the bottom of the shock absorption box, fixed boxes are fixedly arranged on the left side wall and the right side wall of the inner cavity of the shock absorption box, connecting blocks are fixedly arranged on the inner walls of the opposite sides of the two fixed boxes, springs are fixedly arranged on the opposite sides of the two connecting blocks, and a tension sensor, the equal fixed mounting in tension sensor's the left and right sides has the connecting plate, fixed mounting has the restriction piece between one side that connecting plate and fixed case are relative, the inside fixed mounting that just is located the restriction piece between one side that connecting plate and fixed case are relative has the connecting rod, the fixed slot has all been seted up to the top and the bottom of connecting rod, the inside fixed mounting of fixed slot has the wheelset, tension sensor's one end is kept away from to the connecting rod runs through and extends to the inside of fixed case, two the equal fixed mounting in surface that one side that the spring is relative just is located the connecting rod has the locating piece, the bottom of surge tank just is located the fixed surface of stay cord and installs the fixed block, the left side fixed mounting of surge tank bottom has bee calling organ, bee calling.

Preferably, the inner diameter of the base is matched with the outer diameter of the supporting column, and the size of the supporting frame is matched with the size of the air cylinder.

Preferably, two the fixed case is the left and right sides of symmetric distribution in the damper box axis, the shape of fixed case is the cuboid of inside hollow.

Preferably, the inner diameters of the tension sensor and the fixed block are matched with the outer diameter of the pull rope, and the two connecting plates are symmetrically distributed on the left side and the right side of the central axis of the tension sensor.

Preferably, the size of the fixing groove is matched with the size of the wheel set, and the number of the wheel sets is four.

Preferably, the inner diameter of the positioning block is matched with the outer diameter of the connecting rod, and the limiting block is a cuboid which is hollow inside and is missing on the left side and the right side.

(III) advantageous effects

Compared with the prior art, the utility model provides a load monitoring early warning device that electronic gyration was hung possesses following beneficial effect:

1. this load monitoring early warning device that electronic gyration was hung, prescribe a limit to the support column through the base, avoid producing the skew about it, when support frame and cylinder area wire winding case and surge tank remove, the stay cord can produce the pressure of left and right rocking to press to force transducer, can produce slight deformation for the rubber slab through the connecting plate, make the connecting plate cause pressure to the connecting rod, remove to the spring direction through the connecting rod, the connecting rod makes the locating piece press on the spring, utilize the spring can slow down the characteristic of inertial force, the effectual inertial force that produces when reducing the stay cord left and right rocking, and protect force transducer, the good mesh of protectiveness has been reached.

2. This load monitoring early warning device that electronic gyration was hung, be the rubber slab through the connecting plate, the rubber material is softer, can protect it when the spring causes elasticity for force sensor, rubber has absorbing characteristic simultaneously, can reduce the vibrations that the stay cord caused force sensor, it is overweight to detect the heavy object that the stay cord pulled through force sensor, and when making whole device load, trun into the signal of telecommunication and send buzzer to, begin to report to the police through buzzer, come to carry out the early warning to the load, thereby hang and protect whole electronic gyration, thereby reached the good mesh of protectiveness.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the shock-absorbing box of the present invention;

fig. 3 is a schematic structural diagram of the fixing groove of the present invention.

In the figure: the device comprises a base 1, a support column 2, a support frame 3, a cylinder 4, a movable block 5, a winding box 6, a damping box 7, a pull rope 8, a connecting block 9, a spring 10, a tension sensor 11, a connecting plate 12, a limiting block 13, a connecting rod 14, a fixing groove 15, a wheel group 16, a positioning block 17, a fixing block 18, a buzzer 19, a lead 20 and a fixing box 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a load monitoring and early warning device of an electric slewing crane comprises a base 1, a support column 2 is fixedly installed inside the base 1, the inner diameter of the base 1 is matched with the outer diameter of the support column 2, the size of the support frame 3 is matched with the size of an air cylinder 4, a support frame 3 is movably installed inside the support column 2, the air cylinder 4 is fixedly installed inside the support frame 3, the type of the air cylinder 4 can be SCJ50X100-50-S-FA, the support column 2 is limited through the base 1 to avoid deviation left and right, when the support frame 3 and the air cylinder 4 drive a winding box 6 and a damping box 7 to move, a pull rope 8 generates left and right swinging pressure to press a tension sensor 11, a rubber plate can generate slight deformation through a connecting plate 12, so that the connecting plate 12 generates pressure on a connecting rod 14, the connecting rod 14 moves towards a spring 10, the connecting rod 14 enables the positioning block 17 to be pressed on the spring 10, the characteristic that the spring 10 can reduce the inertia force is utilized, the inertia force generated when the pull rope 8 swings left and right is effectively reduced, the pull sensor 11 is protected, the purpose of good protection is achieved, the movable block 5 is movably arranged in the cylinder 4, the winding box 6 is fixedly arranged at the bottom of the movable block 5, the shock absorption boxes 7 are fixedly arranged at the bottom of the winding box 6, the two fixed boxes 21 are symmetrically distributed at the left side and the right side of the central axis of the shock absorption boxes 7, the fixed boxes 21 are in the shape of a cuboid with a hollow inner part, the pull rope 8 is movably arranged in the winding box 6, the pull rope is a rubber plate through the connecting plate 12, the rubber material is soft, the pull sensor 11 can be protected when the spring 10 causes elasticity to the pull sensor, meanwhile, the rubber has the characteristic of shock absorption, the shock caused by the pull rope, when the tension sensor 11 detects that the heavy object pulled by the pull rope 8 is too heavy, so that the whole device is loaded, an electric signal is converted into a digital signal and transmitted to the buzzer 19, the type of the buzzer 19 can be HYD-3215, the buzzer 19 starts to give an alarm to warn the load, so that the whole electric rotary crane is protected, and the aim of good protection is fulfilled, one end of the pull rope 8, far away from the support frame 3, penetrates through the bottom wall of the inner cavity of the winding box 6 and extends to the bottom of the shock absorption box 7, the left side wall and the right side wall of the inner cavity of the shock absorption box 7 are both fixedly provided with the fixed boxes 21, the inner walls of the opposite sides of the two fixed boxes 21 are both fixedly provided with the connecting blocks 9, one sides of the opposite sides of the two connecting blocks 9 are both fixedly provided with the springs 10, the outer surface of the pull rope 8 and the inner part of the shock absorption box 7 are, the inner diameters of the tension sensor 11 and the fixed block 18 are matched with the outer diameter of the pull rope 8, the two connecting plates 12 are symmetrically distributed on the left side and the right side of the central axis of the tension sensor 11, the connecting plates 12 are fixedly installed on the left side and the right side of the tension sensor 11, the limiting block 13 is fixedly installed between the connecting plate 12 and the opposite side of the fixed box 21, the connecting rod 14 is fixedly installed between the connecting plate 12 and the opposite side of the fixed box 21 and positioned in the limiting block 13, the inner diameter of the positioning block 17 is matched with the outer diameter of the connecting rod 14, the limiting block 13 is in a cuboid shape that the inside is hollow and the left side and the right side are both absent, the top and the bottom of the connecting rod 14 are both provided with fixed grooves 15, the size of each fixed groove 15 is matched with the size of each wheel set 16, the number of the wheel sets 16 is four, the wheel sets 16, the positioning blocks 17 are fixedly mounted on one opposite sides of the two springs 10 and located on the outer surface of the connecting rod 14, the fixing blocks 18 are fixedly mounted on the bottom of the shock absorption box 7 and located on the outer surface of the pull rope 8, the buzzer 19 is fixedly mounted on the left side of the bottom of the shock absorption box 7, and the buzzer 19 is electrically connected with the tension sensor 11 through a lead 20.

When the pull rope 8 is used, the connecting rod 14 moves towards the spring 10, the connecting rod 14 enables the positioning block 17 to be pressed on the spring 10, and the inertia force generated when the pull rope 8 swings left and right is effectively reduced by utilizing the characteristic that the spring 10 can reduce the inertia force.

In conclusion, this load monitoring early warning device of electronic gyration is hung, prescribe a limit to support column 2 through base 1, avoid producing the skew about it, when support frame 3 and cylinder 4 area winding case 6 and damper box 7 remove, stay cord 8 can produce the pressure of left and right rocking and press to force sensor 11, can produce slight deformation for the rubber slab through connecting plate 12, make connecting plate 12 cause the pressure to connecting rod 14, remove to spring 10 direction through connecting rod 14, connecting rod 14 makes locating piece 17 press on spring 10, utilize the characteristic that spring 10 can slow down the inertia, the effectual inertia that produces when reducing stay cord 8 and rocking from side to side, and protect force sensor 11, the purpose that the protectiveness is good has been reached.

Moreover, the connecting plate 12 is a rubber plate, the rubber material is soft, the tension sensor 11 can be protected when the spring 10 causes elasticity to the tension sensor, meanwhile, the rubber has the characteristic of shock absorption, the shock of the pull rope 8 to the tension sensor 11 can be reduced, the tension sensor 11 detects that the heavy object pulled by the pull rope 8 is overweight, when the whole device is loaded, the electric signal is converted into a digital signal and is transmitted to the buzzer 19, the buzzer 19 starts to alarm to warn the load, thereby protecting the whole electric rotary crane, achieving the purpose of good protection, solving the problems that in the process of running the rotary crane, because the pull force of the heavy object to the pull rope 8 causes the pull rope 8 to move and shake, relatively large pressure is applied to the monitoring device, and if a specific protection structure is not provided, the problems of looseness and damage of the monitoring device are easily caused.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a load monitoring early warning device that electronic gyration was hung, includes base (1), its characterized in that: the inner fixed mounting of the base (1) is provided with a support column (2), the inner movable mounting of the support column (2) is provided with a support frame (3), the inner fixed mounting of the support frame (3) is provided with a cylinder (4), the inner movable mounting of the cylinder (4) is provided with a movable block (5), the bottom fixed mounting of the movable block (5) is provided with a winding box (6), the bottom fixed mounting of the winding box (6) is provided with a damping box (7), the inner movable mounting of the winding box (6) is provided with a pull rope (8), one end of the pull rope (8) far away from the support frame (3) penetrates through the bottom wall of the inner cavity of the winding box (6) and extends to the bottom of the damping box (7), the left side wall and the right side wall of the inner cavity of the damping box (7) are both fixedly provided with fixed boxes (21), and the inner wall of one side of, two the equal fixed mounting in one side that connecting block (9) is relative has spring (10), the inside fixed mounting that the surface of stay cord (8) just is located surge tank (7) has force sensor (11), the equal fixed mounting in the left and right sides of force sensor (11) has connecting plate (12), fixed mounting has limiting block (13) between one side that connecting plate (12) and fixed box (21) are relative, the inside fixed mounting that just is located limiting block (13) between one side that connecting plate (12) and fixed box (21) are relative has connecting rod (14), fixed slot (15) have all been seted up to the top and the bottom of connecting rod (14), the inside fixed mounting of fixed slot (15) has wheelset (16), the one end that force sensor (11) was kept away from in connecting rod (14) runs through and extends to the inside of fixed box (21), two the equal fixed mounting in surface that one side that spring (10) is relative just is located connecting rod (14) has wheel set ( Locating piece (17), the fixed surface that just is located stay cord (8) in the bottom of surge tank (7) has fixed block (18), the left side fixed mounting of surge tank (7) bottom has bee calling organ (19), bee calling organ (19) and force sensor (11) pass through wire (20) electric connection.

2. The load monitoring and early warning device of the electric slewing crane according to claim 1, characterized in that: the inner diameter of the base (1) is matched with the outer diameter of the support column (2), and the size of the support frame (3) is matched with the size of the air cylinder (4).

3. The load monitoring and early warning device of the electric slewing crane according to claim 1, characterized in that: two fixed case (21) are the left and right sides of symmetric distribution in damper box (7) axis, the shape of fixed case (21) is the cuboid of inside hollow.

4. The load monitoring and early warning device of the electric slewing crane according to claim 1, characterized in that: the inner diameters of the tension sensor (11) and the fixing block (18) are matched with the outer diameter of the pull rope (8), and the connecting plates (12) are symmetrically distributed on the left side and the right side of the central axis of the tension sensor (11).

5. The load monitoring and early warning device of the electric slewing crane according to claim 1, characterized in that: the size of the fixing groove (15) is matched with that of the wheel set (16), and the number of the wheel sets (16) is four.

6. The load monitoring and early warning device of the electric slewing crane according to claim 1, characterized in that: the inner diameter of the positioning block (17) is matched with the outer diameter of the connecting rod (14), and the limiting block (13) is a cuboid which is hollow inside and is missing on the left side and the right side.