CN210715692U

CN210715692U - Vibration damper for crane cab

Info

Publication number: CN210715692U
Application number: CN201921015636.8U
Authority: CN
Inventors: 董强; 王兆苒; 刘宪华
Original assignee: Hechi Lifting Machinery Tianjin Co Ltd
Current assignee: Hechi Lifting Machinery Tianjin Co Ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-06-09
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a damping device for hoist cab, including the damping case, the spacing sliding sleeve of a plurality of second is inlayed and is installed at the top of damping case, and the spacing sliding sleeve sliding connection of second has the stripper bar rather than the looks adaptation, and the top fixed mounting of stripper bar has a mounting panel, and first damping spring has been cup jointed to one side that the stripper bar is located the damping case outside. This damping device for hoist cab, through the buffer board, the spacing sliding sleeve of second, first damping spring, the stripper bar, the mounting panel, first articulated seat, articulated rod, the articulated seat of second, the fly leaf, spacing guide arm is used with second damping spring's cooperation, carry out buffering damping to the cab under first damping spring's elastic action, absorb the elimination to the sense of shaking, reduce its movement potential energy, simultaneously at second damping spring's elastic action, further buffer damping, help improving the buffering damping effect to the cab, thereby eliminate the vibration to the cab.

Description

Vibration damper for crane cab

Technical Field

The utility model relates to a hoist field specifically is a damping device for hoist driver's cabin.

Background

Along with the development of society, the machine plays an increasingly important role in daily life and production of people, and because of the convenience and accuracy of the machine, a large amount of manpower and financial resources are saved, and then hoisting equipment for hoisting large-scale machines is also developed and becomes an indispensable component. The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes. The hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the development and the use of the crane on the market are more and more extensive. Because the weight is lifted without the supporting legs and the lifted weight is frequently used for driving, the driving speed is higher than that of a crawler crane (crawler crane); the operation is stable, the lifting capacity is large, the lifting can be carried out within a specific range, but the road is required to be smooth and firm, the tire air pressure meets the requirement, and the lifting distance from the ground is not more than 50 CM; long distance walking with load is prohibited.

The existing crane cab is generally rigidly connected, so that when the crane is used, the violent vibration of the cab is often brought, the normal operation and riding comfort of a driver are easily affected, and the normal use of the crane is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a damping device for hoist driver's cabin to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a vibration damper for a crane cab comprises a vibration damping box, wherein a plurality of second limiting sliding sleeves are embedded and installed at the top of the vibration damping box, the second limiting sliding sleeve is connected with an extrusion rod matched with the second limiting sliding sleeve in a sliding manner, the top of the extrusion rod is fixedly provided with a connecting plate, a first damping spring is sleeved on one side of the extrusion rod positioned outside the damping box, a buffer plate is fixedly arranged at the bottom of the extrusion rod, two limiting guide rods are fixedly arranged between two sides of the inner wall of the damping box, two limiting guide rods are positioned below the buffer plate, two mounting plates are slidably mounted between the two limiting guide rods, a second hinge seat is fixedly mounted between the two mounting plates, two first hinging seats are fixedly arranged at the bottom of the buffer plate, a hinging rod is hinged between the first hinging seat and the second hinging seat, and a second damping spring is sleeved between one side of the movable plate and one side of the inner wall of the damping box on the limiting guide rod.

As a further aspect of the present invention: a plurality of first limiting sliding sleeves are installed at the top of the buffer plate in an embedded mode, the first limiting sliding sleeves are connected with buffering sliding rods matched with the first limiting sliding sleeves in a sliding mode, the bottoms of the buffering sliding rods are fixedly connected with the bottom of the inner wall of the vibration damping box, and buffering springs are sleeved on the outer surfaces of the buffering sliding rods and located below the buffer plate.

As a further aspect of the present invention: the top fixed mounting of damping incasement wall has first damp mechanism that removes, first damp mechanism that removes includes two mounting panels, is formed with the draw-in groove between two mounting panels, the inside of draw-in groove is provided with the net box, and the inside of net box is provided with the drier.

As a further aspect of the present invention: the equal fixed mounting in both sides of buffer board bottom has the second to remove damp mechanism, and the second removes damp mechanism and the first structure size that removes damp mechanism and is all unanimous.

As a further aspect of the present invention: the shape of mounting panel is L shape, run through on the mounting panel and seted up a plurality of vents.

As a further aspect of the present invention: the movable plate is provided with a sliding hole matched with the limiting guide rod in a penetrating mode and is connected with the limiting guide rod in a sliding mode through the sliding hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model is used by matching the buffer board, the second limit sliding sleeve, the first damping spring, the extrusion rod, the mounting plate, the first hinged seat, the hinged rod, the second hinged seat, the movable plate, the limit guide rod and the second damping spring, the cab is buffered and damped under the elastic action of the first damping spring, the vibration sensation is absorbed and eliminated, the movement potential energy of the cab is reduced, meanwhile, the second damping spring is further buffered and damped under the elastic action, the buffering and damping effect of the cab is improved, the vibration of the cab is eliminated, the comfort of the driver is improved, the normal operation of the driver is prevented from being influenced by the vibration, the operation safety is improved, the position of the buffer board can be limited by matching the buffer spring, the buffer slide rod, the first limit sliding sleeve and the buffer board, the sliding deviation is prevented, and the operation stability of the device is improved, buffer spring further plays the effect of buffering damping under the effect of its elasticity simultaneously, multiple buffering damping measure is implemented simultaneously, the damping effect is good, and also can play the guard action to first damping spring and second damping spring, help prolonging first damping spring and second damping spring's life and result of use, through first damp mechanism that removes, the second removes damp mechanism, the mounting panel, the cooperation of net box and draw-in groove is used, moreover, the steam generator is simple in structure, and convenient for operation, be convenient for install and change, also get rid of the moisture of damping incasement portion simultaneously, help avoiding buffer spring and second damping spring to be corroded, avoid the spring to lead to elasticity because of the corrosion to descend.

Drawings

Fig. 1 is a schematic structural view of a vibration damping device for a cab of a crane.

Fig. 2 is a top view of two limit guide rods in the damping device for the cab of the crane.

Fig. 3 is a schematic structural diagram of a first dehumidifying mechanism in the damping device for the cab of the crane.

In the figure: damping box 1, buffer spring 2, buffering slide bar 3, first spacing sliding sleeve 4, buffer board 5, first damp mechanism 6 that removes, the spacing sliding sleeve 7 of second, first damping spring 8, ejector beam 9, connecting plate 10, first articulated seat 11, articulated rod 12, the damp mechanism 13 of second removing, the articulated seat 14 of second, fly leaf 15, spacing guide arm 16, second damping spring 17, mounting panel 18, net box 19, draw-in groove 20.

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, in the embodiment of the present invention, a vibration damping device for a crane cab comprises a vibration damping box 1, a plurality of second limiting sliding sleeves 7 are mounted on the top of the vibration damping box 1 in an embedded manner, the second limiting sliding sleeves 7 are slidably connected with extrusion rods 9 adapted to the second limiting sliding sleeves 7, a connecting plate 10 is fixedly mounted on the top of the extrusion rods 9, a first vibration damping spring 8 is sleeved on one side of the extrusion rods 9 outside the vibration damping box 1, a buffer plate 5 is fixedly mounted on the bottom of the extrusion rods 9, two limiting guide rods 16 are fixedly mounted between two sides of the inner wall of the vibration damping box 1, the two limiting guide rods 16 are located below the buffer plate 5, two mounting plates 18 are slidably mounted between the two limiting guide rods 16, a second hinge seat 14 is fixedly mounted between the two mounting plates 18, two first hinge seats 11 are fixedly mounted on the bottom of the buffer plate 5, a hinge rod 12 is hinged between the first hinge seat, a second damping spring 17 is sleeved on the limiting guide rod 16 and positioned between one side of the movable plate 15 and one side of the inner wall of the damping box 1, a plurality of first limiting sliding sleeves 4 are embedded and installed at the tops of the buffer plates 5, the first limiting sliding sleeves 4 are slidably connected with the buffer sliding rods 3 matched with the first limiting sliding sleeves, the bottoms of the buffer sliding rods 3 are fixedly connected with the bottom of the inner wall of the damping box 1, the buffer springs 2 are sleeved on the outer surfaces of the buffer sliding rods 3 and positioned below the buffer plates 5, the top of the inner wall of the damping box 1 is fixedly provided with a first dehumidifying mechanism 6, the first dehumidifying mechanism 6 comprises two mounting plates 18, a clamping groove 20 is formed between the two mounting plates 18, a grid box 19 is arranged inside the clamping groove 20, a drying agent is arranged inside the grid box 19, second dehumidifying mechanisms 13 are fixedly installed on both sides of the bottom of the buffer plate 5, and the second dehumidifying mechanisms 13 are consistent with the structural sizes of the first dehumidifying mechanisms, the mounting plate 18 is L-shaped, a plurality of ventilation openings are formed in the mounting plate 18 in a penetrating manner, a sliding hole matched with the limiting guide rod 16 is formed in the movable plate 15 in a penetrating manner, and the movable plate 15 is connected with the limiting guide rod 16 in a sliding manner through the sliding hole.

The utility model discloses a theory of operation is:

when the cab vibration damping device is used, a cab is connected with the connecting plate 10, when the cab is vibrated, the connecting plate 10 extrudes the first vibration damping spring 8, the cab is subjected to buffer vibration damping under the elastic action of the first vibration damping spring 8, vibration is absorbed and eliminated, the motion potential energy of the cab is reduced, the extrusion rod 9 descends and extrudes the buffer plate 5, the movable plate 15 is extruded under the matching of the first hinged seat 11, the hinged rod 12 and the second hinged seat 14, the second vibration damping spring 17 is extruded, the buffer vibration damping is further performed through the elastic action of the second vibration damping spring 17, the buffer vibration damping effect on the cab is improved, the vibration of the cab is eliminated, the riding comfort of a driver is improved, the influence of the vibration on the normal operation of the driver is avoided, the operation safety is improved, and the buffer slide rod 3 is matched with the first limiting slide sleeve 4, the position of the buffer plate 5 can be limited, sliding deviation can be prevented, the stability of the device operation can be improved, meanwhile, the buffer spring 2 can further play a role in buffering and damping under the action of the elastic force, multiple buffering and damping measures can be implemented simultaneously, the damping effect is good, the protection effect on the first damping spring 8 and the second damping spring 17 can also be played, damage of the buffer plate due to overlarge pressure can be avoided, the service life and the service effect of the first damping spring 8 and the second damping spring 17 can be prolonged, the drying agent is placed in the grid box 19, then the grid box 19 is placed in the clamping groove 20, the installation of the dehumidifying mechanism can be completed, the structure is simple, the operation is convenient, the installation and the replacement are convenient, meanwhile, moisture in the damping box 1 can be removed, and the corrosion of the buffer spring 2 and the second damping spring 17 can be avoided, the spring is prevented from being corroded to cause the reduction of the elastic force.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a damping device for hoist cab, includes damping case (1), its characterized in that: the damping box is characterized in that a plurality of second limiting sliding sleeves (7) are embedded and installed at the top of the damping box (1), the second limiting sliding sleeves (7) are connected with extrusion rods (9) matched with the second limiting sliding sleeves in a sliding mode, a connecting plate (10) is fixedly installed at the top of each extrusion rod (9), a first damping spring (8) is sleeved on one side, located outside the damping box (1), of each extrusion rod (9), a buffer plate (5) is fixedly installed at the bottom of each extrusion rod (9), two limiting guide rods (16) are fixedly installed between two sides of the inner wall of the damping box (1), the two limiting guide rods (16) are located below the buffer plate (5), two mounting plates (18) are slidably installed between the two limiting guide rods (16), a second hinged seat (14) is fixedly installed between the two mounting plates (18), and two first hinged seats (11) are fixedly installed at the bottom of the buffer plate (5), articulated between first articulated seat (11) and the articulated seat of second (14) have articulated pole (12), second damping spring (17) have cup jointed on spacing guide arm (16) and between the one side that is located fly leaf (15) and one side of damping case (1) inner wall.

2. The vibration damping device for a crane cab according to claim 1, wherein: the top of buffer board (5) is inlayed and is installed a plurality of first spacing sliding sleeves (4), first spacing sliding sleeve (4) sliding connection have rather than the buffering slide bar (3) of looks adaptation, and the bottom of buffering slide bar (3) and the bottom fixed connection of damping case (1) inner wall, the surface of buffering slide bar (3) and the below that is located buffer board (5) have cup jointed buffer spring (2).

3. The vibration damping device for a crane cab according to claim 1, wherein: the top fixed mounting of damping case (1) inner wall has first damp mechanism (6) that removes, first damp mechanism (6) that removes includes two mounting panels (18), is formed with draw-in groove (20) between two mounting panels (18), the inside of draw-in groove (20) is provided with grid box (19), and the inside of grid box (19) is provided with the drier.

4. The vibration damping device for a crane cab according to claim 3, wherein: the both sides of buffer board (5) bottom are equal fixed mounting have the second to remove damp mechanism (13), and the second removes damp mechanism (13) and the first structure size that removes damp mechanism (6) and is all unanimous.

5. The vibration damping device for a crane cab according to claim 3, wherein: the shape of mounting panel (18) is L shape, run through on mounting panel (18) and seted up a plurality of vents.

6. The vibration damping device for a crane cab according to claim 1, wherein: the movable plate (15) is provided with a sliding hole matched with the limiting guide rod (16) in a penetrating mode, and the movable plate (15) is connected with the limiting guide rod (16) in a sliding mode through the sliding hole.