CN212269259U

CN212269259U - Overload limiter of double-beam crane

Info

Publication number: CN212269259U
Application number: CN202021011948.4U
Authority: CN
Inventors: 李峰; 左妮娜; 宋玮琦
Original assignee: Bengbu Gaoling Sensing System Project Co ltd
Current assignee: Bengbu Gaoling Sensing System Project Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-01-01
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a two roof beam hoist overload limiter, the on-line screen storage device comprises a base, the upper end rear portion fixedly connected with backup pad of base, the equal fixedly connected with gusset plate in front end left part and the front end right part of backup pad, and the lower extreme of two gusset plates all with the upper end fixed connection of base, the upper end middle part fixedly connected with controlling means of base, common fixedly connected with mount pad between the upper end of backup pad and the upper end of two gusset plates, the upper end fixedly connected with induction system of mount pad, induction system's upper end fixedly connected with fixing device, the mounting hole has all been opened in the upper end four corners of base. A two roof beam hoist overload limiter, through setting up controlling means, can effectively restrict the overload condition of hoist, through setting up induction system, can effectively respond to the weight of jack-up object, can effectively respond to through setting up fixing device, the installation of the device of being convenient for is fixed.

Description

Overload limiter of double-beam crane

Technical Field

The utility model relates to a hoist technical field, in particular to two roof beam hoist overload limiter.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, and the crane overload limiter is a safety protection device of the hoisting machine, is generally used for various hoisting equipment, can effectively prevent the hoisting weight of the crane from being overloaded, is an essential important device for ensuring that personnel and the crane are in a safe state, but the existing crane overload limiter has the following defects: 1. the weight monitoring and processing are not timely enough, the warning effect on operators cannot be realized, the overload condition of the crane is effectively limited, and great potential safety hazards exist; 2. the tension sensor is inconvenient to disassemble and replace, the device is also inconvenient to install and fix, and the use of the limiter is influenced; therefore, we propose a double-beam crane overload limiter.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a two-beam crane overload limiter, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a two roof beam hoist overload limiter, includes the base, the upper end rear portion fixedly connected with backup pad of base, the equal fixedly connected with gusset plate in front end left part and the front end right part of backup pad, and the lower extreme of two gusset plates all with the upper end fixed connection of base, the upper end middle part fixedly connected with controlling means of base, common fixedly connected with mount pad between the upper end of backup pad and the upper end of two gusset plates, the upper end fixedly connected with induction system of mount pad, induction system's upper end fixedly connected with fixing device, the upper end four corners of base all opens the mounting hole.

Preferably, the control device comprises a controller, sound holes are formed in the left portion of the front end and the right portion of the front end of the controller, the warning lamp is fixedly connected to the left portion of the upper end of the controller, the display screen is fixedly connected to the rear portion of the upper end of the controller, the control keys are fixedly connected to the right portion of the upper end of the controller, and the lower end of the controller is fixedly connected with the upper end of the base.

Preferably, induction system includes the mounting panel, the upper end middle part fixedly connected with fixture block of mounting panel, the anterior scarf joint of upper end of fixture block has force transducer, open the upper end four corners of mounting panel has the connecting hole.

Preferably, the fixing device comprises a lower bearing seat and an upper bearing seat, a clamping groove is formed in the middle of the lower end of the lower bearing seat, bolts are connected to four corners of the upper end of the lower bearing seat in a threaded mode, screws are connected to four corners of the upper end of the upper bearing seat in a threaded mode, the lower end of the upper bearing seat is fixedly connected with the upper end of the lower bearing seat through the four screws, and the clamping groove is clamped with the clamping block.

Preferably, the lower end of the lower bearing seat is fixedly connected with the mounting plate and the mounting seat through four bolts, and the length of each bolt is twice of the sum of the thickness of the mounting plate and the thickness of the mounting seat.

Preferably, the two reinforcing plates are both in a trapezoidal structure, and the controller is electrically connected with the tension sensor.

Compared with the prior art, the utility model discloses following beneficial effect has:

the method comprises the steps that firstly, a control device is arranged, the weight transmitted to a hoisting object by a tension sensor is analyzed through a controller, when the weight of the hoisting object exceeds a preset value, the controller timely controls the crane to stop hoisting, a red light is lightened through controlling a warning light to play a warning role, an alarm is given through a sound hole, the overload condition of the crane can be effectively limited, and the safety of hoisting operation is improved;

the weight of a hoisting object can be effectively sensed through the sensing device by arranging the sensing device and the fixing device, the sensor is convenient to mount and dismount through the bolt, and the lower bearing seat and the upper bearing seat are convenient to mount and fix through the screw, so that the mounting and maintenance of the device are more convenient, the utilization rate of the limiter is improved, and the use cost is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of an overload limiter of a double-beam crane according to the present invention;

fig. 2 is a schematic structural diagram of a control device of an overload limiter of a double-beam crane according to the present invention;

fig. 3 is a schematic structural diagram of an induction device of the overload limiter of the double-beam crane according to the present invention;

fig. 4 is a schematic structural view of a fixing device of an overload limiter of a double-beam crane according to the present invention.

In the figure: 1. a base; 2. a reinforcing plate; 3. a control device; 4. a support plate; 5. a mounting seat; 6. an induction device; 7. a fixing device; 8. mounting holes; 31. a controller; 32. a sound outlet hole; 33. a warning light; 34. a display screen; 35. a control key; 61. mounting a plate; 62. a clamping block; 63. a tension sensor; 64. connecting holes; 71. a lower bearing seat; 72. a card slot; 73. a bolt; 74. an upper bearing seat; 75. and (4) screws.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a two-beam crane overload limiter, including base 1, base 1's upper end rear portion fixedly connected with backup pad 4, backup pad 4's the equal fixedly connected with gusset plate 2 in front end left part and front end right part, and the lower extreme of two gusset plates 2 all with base 1's upper end fixed connection, base 1's upper end middle part fixedly connected with controlling means 3, common fixedly connected with mount pad 5 between the upper end of backup pad 4 and the upper end of two gusset plates 2, the upper end fixedly connected with induction system 6 of mount pad 5, induction system 6's upper end fixedly connected with fixing device 7, base 1's upper end four corners all opens there is mounting hole 8.

The control device 3 comprises a controller 31, the controller 31 can monitor the weight of a lifted object in time and control the lifted object, the safety of lifting operation is guaranteed, sound holes 32 are formed in the left part and the right part of the front end of the controller 31, the left part of the upper end of the controller 31 is fixedly connected with a warning lamp 33, the rear part of the upper end of the controller 31 is fixedly connected with a display screen 34, the right part of the upper end of the controller 31 is fixedly connected with a plurality of control keys 35, and the lower end of the controller 31 is fixedly connected with the upper end of the base 1; the sensing device 6 comprises an installation plate 61, the middle part of the upper end of the installation plate 61 is fixedly connected with a clamping block 62, the front part of the upper end of the clamping block 62 is embedded with a tension sensor 63, and four corners of the upper end of the installation plate 61 are provided with connection holes 64; the fixing device 7 comprises a lower bearing seat 71 and an upper bearing seat 74, wherein a clamping groove 72 is formed in the middle of the lower end of the lower bearing seat 71, four corners of the upper end of the lower bearing seat 71 are in threaded connection with bolts 73, four corners of the upper end of the upper bearing seat 74 are in threaded connection with screws 75, the lower end of the upper bearing seat 74 is fixedly connected with the upper end of the lower bearing seat 71 through the four screws 75, and the clamping groove 72 is clamped with the clamping block 62; the lower end of the lower bearing seat 71 is fixedly connected with the mounting plate 61 and the mounting seat 5 through four bolts 73, the length of each bolt 73 is twice of the sum of the thickness of the mounting plate 61 and the thickness of the mounting seat 5, so that the bolts 73 can fix the lower bearing seat 71, the mounting plate 61 and the mounting seat 5 together, and arc-shaped grooves are formed in the opposite surfaces of the lower bearing seat 71 and the upper bearing seat 74, so that the bearings can be clamped and fixed conveniently; two gusset plates 2 are the trapezium structure, and gusset plate 2 can carry out further support to mount pad 5 fixed, and controller 31 and tension sensor 63 electric connection make tension sensor 63 will sense jack-up thing weight transmission to controller 31 in.

It should be noted that, the utility model relates to a two-beam crane overload limiter, when using, the user loosens the screw 75, make the arc-shaped groove of the lower bearing seat 71 and the arc-shaped groove of the upper bearing seat 74 contact with the hoisting bearing, then tighten the screw 75 to clamp and fix the hoisting bearing, the fixed installation of the device is completed, when the crane works, the weight of the hoisting physics is sensed by the tension sensor 63, and the data is transmitted to the controller 31, the data is analyzed by the controller 31 and displayed by the display screen 34, when the object exceeds the set value, the controller 31 limits the crane to stop the crane, and the warning lamp 33 lights the red light to warn the operator, meanwhile, the alarm is sent out through the sound outlet 32, the warning effect is further strengthened, the safety of the hoisting operation is improved, the overload condition of the crane can be effectively limited, the mounting plate 61 is separated from the mounting base 5 by loosening the bolts 73, and the lower bearing base 71 is also separated from the mounting plate 61, so that the tension sensor 63 can be detached and replaced.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a two roof beam hoist overload limiter, includes base (1), its characterized in that: the utility model discloses a quick-witted, including base (1), the upper end rear portion fixedly connected with backup pad (4) of base (1), the equal fixedly connected with gusset plate (2) in front end left part and the front end right part of backup pad (4), and the lower extreme of two gusset plates (2) all with the upper end fixed connection of base (1), the upper end middle part fixedly connected with controlling means (3) of base (1), common fixedly connected with mount pad (5) between the upper end of backup pad (4) and the upper end of two gusset plates (2), the upper end fixedly connected with induction system (6) of mount pad (5), the upper end fixedly connected with fixing device (7) of induction system (6), mounting hole (8) have all been opened in the upper end four corners of base (1).

2. The double-beam crane overload limiter of claim 1, wherein: controlling means (3) include controller (31), sound hole (32) have all been opened to the front end left part and the front end right part of controller (31), upper end left part fixedly connected with warning light (33) of controller (31), upper end rear portion fixedly connected with display screen (34) of controller (31), a plurality of control key (35) of the upper end right part fixedly connected with of controller (31), the lower extreme of controller (31) and the upper end fixed connection of base (1).

3. The double-beam crane overload limiter of claim 1, wherein: the induction system (6) comprises an installation plate (61), a clamping block (62) is fixedly connected to the middle of the upper end of the installation plate (61), a tension sensor (63) is embedded in the front of the upper end of the clamping block (62), and four corners of the upper end of the installation plate (61) are provided with connection holes (64).

4. The double-beam crane overload limiter of claim 1, wherein: fixing device (7) include step (71) and bolster bearing housing (74), open at the lower extreme middle part of step (71) has draw-in groove (72), the equal threaded connection in upper end four corners of step (71) has bolt (73), the equal threaded connection in upper end four corners of bolster bearing housing (74) has screw (75), the lower extreme of bolster bearing housing (74) is through the upper end fixed connection of four screw (75) and step (71), draw-in groove (72) and fixture block (62) joint.

5. The double-beam crane overload limiter of claim 4, wherein: the lower end of the lower bearing seat (71) is fixedly connected with the mounting plate (61) and the mounting seat (5) through four bolts (73), and the length of each bolt (73) is twice of the sum of the thickness of the mounting plate (61) and the thickness of the mounting seat (5).

6. The double-beam crane overload limiter of claim 2, wherein: two gusset plate (2) are the trapezium structure, controller (31) and force transducer (63) electric connection.