CN210915062U

CN210915062U - Rubber shock absorber for protecting construction ground from being damaged for crane supporting legs

Info

Publication number: CN210915062U
Application number: CN201921643239.5U
Authority: CN
Inventors: 黄新平
Original assignee: Hunan University of Technology
Current assignee: Hunan University of Technology
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-07-03
Anticipated expiration: 2029-09-29

Abstract

The utility model relates to a rubber shock absorber technical field, and disclose crane landing leg is with rubber shock absorber ware that protection construction ground does not receive destruction, including the activity landing leg, the left lower extreme fixed mounting of activity landing leg has lift cylinder, and lift cylinder's lower extreme fixed mounting has the connecting rod, and the lower extreme of connecting rod passes through unable adjustment base fixed mounting has the lamina tecti, sets up evenly distributed's screw hole on the lamina tecti, and the lower extreme fixed mounting of lamina tecti has the stabilizer bar, and the stabilizer bar can be fixed through the stopper and reciprocate in the activity groove. The device has cup jointed the spring through the surface of stabilizer bar and stabilizer bar base, when adjusting balance before using, control lift cylinder, lift cylinder drives the connecting rod motion, and the connecting rod drives the stabilizer bar motion, and the stopper of stabilizer bar lower extreme removes in the activity groove to the lamina tecti extrusion spring cooperates the effect of sheet rubber, thereby has alleviated the influence that produces vibrations to the bottom surface in the work progress.

Description

Rubber shock absorber for protecting construction ground from being damaged for crane supporting legs

Technical Field

The utility model relates to a rubber shock attenuation technical field specifically is crane landing leg is with rubber shock absorber that protection construction ground does not receive destruction.

Background

The rubber shock absorber is used as an important shock absorption element and is widely applied to the fields of various machines, automobiles, transportation and aviation, the rubber has high elasticity and viscoelasticity, compared with steel materials, the rubber has the characteristics of large elastic deformation, small elastic modulus and the like, compared with other shock absorbers, the rubber shock absorber has a freely determined shape, the components of a rubber formula can be adjusted to control the hardness, the requirements on the rigidity and the strength of all directions can be met, the internal friction of the rubber shock absorber is large, the rubber shock absorber has the advantages of good shock absorption effect, the rubber shock absorber is favorable for crossing a resonance area and attenuating high-frequency vibration and noise.

In engineering construction, the rubber shock absorbers are also commonly used, a hoisting crane needs to be lifted in the use process, the lifted goods are sometimes heavy in weight, a supporting leg frame needs to be installed before use, the stability of the hoisting crane is guaranteed, the common hoisting crane is used for adjusting the lifting by a hydraulic oil cylinder so as to control the height of the hoisting crane, but the hoisting crane cannot shake in the use process, and the vehicle can vibrate under the condition that an engine works, so that the working ground can be damaged after long-time operation.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a rubber shock absorber ware that crane landing leg was not destroyed with protection construction ground possesses protection construction operation ground and does not receive destruction and can cooperate advantage such as hydro-cylinder regulation balance, has solved current landing leg and has adopted hydraulic cylinder direct and the hard contact of ground to destroy the problem on ground.

(II) technical scheme

For realize above-mentioned protection construction operation ground does not receive destruction and can cooperate purpose such as hydro-cylinder regulation balance, the utility model provides a following technical scheme: crane landing leg is with rubber shock absorber ware that protection construction ground does not receive destruction, including the activity landing leg, the left lower extreme fixed mounting of activity landing leg has lift cylinder, lift cylinder's lower extreme fixed mounting has the connecting rod, the lower extreme of connecting rod passes through fixed baseplate fixed mounting has the lamina tecti, set up evenly distributed's screw hole on the lamina tecti, the lower extreme fixed mounting of lamina tecti has the stabilizer bar, the lower extreme fixed mounting of stabilizer bar has the stopper, stopper movable mounting is in the inside of stabilizer bar base, the lower extreme fixed mounting of stabilizer bar base has the backup pad, the equal fixed mounting in both ends about the lower extreme fixed mounting of backup pad has first bolt lamina tecti has the sheet rubber, the lower extreme fixed mounting of sheet rubber has the base, the lower extreme threaded.

Preferably, the fixed base passes through second bolt and lamina tecti threaded connection, through the fixed base with damping device fixed mounting at the lower extreme of connecting rod for the crane is more stable in the use.

Preferably, the lower extreme of stabilizer bar extends to the inside of stabilizer bar base, the spring has been cup jointed through the surface of stabilizer bar and stabilizer bar base, when adjusting balance before using, control lift cylinder, lift cylinder drives the connecting rod motion, the connecting rod drives the stabilizer bar motion, the stopper of stabilizer bar lower extreme removes in the activity groove, thereby lamina tecti extrusion spring, just so can make height equal between each landing leg through adjusting, in the course of the work, it also can alleviate through sheet rubber and spring to take place vibrations, thereby the effect on shock attenuation protection ground has been reached.

Preferably, the lower end of the first bolt is connected to the lower end face of the base, and the support plate is connected to the first bolt through threads, so that the stability of the support leg is improved.

Preferably, the supporting leg plate is provided with a thread groove corresponding to the first bolt, and the first bolt can be in threaded connection with the supporting leg plate, so that the whole supporting leg plate can be stably fixed.

Preferably, the stabilizer bar and the stabilizer bar base are sleeved with a spring, and the spring provides the functions of shock absorption and distance adjustment.

Preferably, the inside of stabilizer bar base is provided with the activity groove, and the relation of connection of stopper and activity groove is swing joint, and the stopper can remove in the activity groove to control reciprocating of lamina tecti, help lift cylinder to adjust the landing leg height jointly.

(III) advantageous effects

Compared with the prior art, the utility model provides a lifting crane landing leg does not receive the rubber shock absorber who destroys with protection construction ground, possesses following beneficial effect:

1. this crane landing leg is with can not receiving the rubber shock absorber who destroys on protection construction ground, the spring has been cup jointed through the surface of stabilizer bar and stabilizer bar base, when adjusting balance before using, control lift cylinder, lift cylinder drives the connecting rod motion, the connecting rod drives the stabilizer bar motion, the stopper of stabilizer bar lower extreme removes in the activity groove, thereby lamina tecti extrusion spring, the effect of cooperation sheet rubber, thereby it influences the bottom surface to have alleviated and produced vibrations in the work progress.

2. This lifting crane landing leg is with the rubber shock absorber ware that can protect construction ground not receive the destruction, through the screw hole that sets up on the lamina tecti, the first bolt that sets up on the base and the discoid design of landing leg dish to the effect that has increased the stability of device has been reached.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a front view of the damper of the present invention;

fig. 3 is a schematic structural view of a stabilizer bar, a stabilizer bar base and a spring according to the present invention;

FIG. 4 is a top view of the top cover plate of the present invention;

fig. 5 is a schematic view of the structure stabilizer bar and stabilizer bar base connection of the present invention.

In the figure: the device comprises a movable supporting leg 1, a lifting oil cylinder 2, a connecting rod 3, a fixing base 4, a top cover plate 5, a threaded hole 6, a stabilizer bar 7, a limiting block 8, a stabilizer bar base 9, a supporting plate 10, a first bolt 11, a rubber sheet 12, a base 13, a supporting leg plate 14, a second bolt 15, a threaded groove 16, a spring 17 and a movable groove 18.

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. 1-5, the rubber shock absorber for crane legs to protect the construction ground from damage includes a movable leg 1, a lift cylinder 2 is fixedly mounted at the left lower end of the movable leg 1, the lift cylinder 2 may be HSG110/70-500, the pressure is 31.5Mpa, a connecting rod 3 is fixedly mounted at the lower end of the lift cylinder 2, a top cover plate 5 is fixedly mounted at the lower end of the connecting rod 3 through a fixing base 4, the fixing base 4 is in threaded connection with the top cover plate 5 through a second bolt 15, a shock absorbing device is fixedly mounted at the lower end of the connecting rod 3 through the fixing base 4, so that the crane is more stable in use, uniformly distributed threaded holes 6 are formed in the top cover plate 5, a stabilizer bar 7 is fixedly mounted at the lower end of the top cover plate 5, a spring 17 is sleeved outside the stabilizer bar 7 and a stabilizer bar base 9, the spring 17 provides the functions of shock absorption and distance, the lower end of the stabilizer bar 7 extends into the stabilizer bar base 9, a spring 17 is sleeved on the surface of the stabilizer bar 7 and the stabilizer bar base 9, when the balance is adjusted before use, the lift cylinder 2 is controlled, the lift cylinder 2 drives the connecting rod 3 to move, the connecting rod 3 drives the stabilizer bar 7 to move, a stopper 8 at the lower end of the stabilizer bar 7 moves in a movable groove 18, so that the spring 17 is extruded by the top cover plate 5, the heights of all supporting legs can be equal through adjustment, in the working process, the vibration can be relieved through a rubber sheet 12 and the spring 17, the effect of shock absorption and protection of the ground is achieved, the stopper 8 is fixedly installed at the lower end of the stabilizer bar 7, the stopper 8 is movably installed inside the stabilizer bar base 9, a support plate 10 is fixedly installed at the lower end of the stabilizer bar base 9, a first bolt 11 is fixedly installed at the left end and the right, the lower extreme of first bolt 11 is connected to the lower terminal surface of base 13, supporting disk 14 passes through threaded connection on first bolt 11, increase the stability of landing leg, the lower extreme fixed mounting of sheet rubber 12 has base 13, the lower extreme threaded connection of first bolt 11 has landing leg dish 14, set up the thread groove 16 corresponding with first bolt 11 on the landing leg dish 14, first bolt 11 can threaded connection landing leg dish 14, whole landing leg dish 14 will be stable fixed like this, stabilizer bar base 9's inside is provided with movable groove 18, stopper 8 is swing joint with movable groove 18's relation of being connected, stopper 8 can remove in movable groove 18, thereby control reciprocating of lamina tecti 5, help lift cylinder 2 to adjust the landing leg height jointly.

The working principle is as follows: in the using process, the lifting oil cylinder 2 is well adjusted by moving the movable supporting leg 1, so that the lifting height is well adjusted, when the height is adjusted, the lower end of the stabilizer bar 7 extends to the inside of the stabilizer bar base 9, the spring 17 is sleeved on the surface of the stabilizer bar 7 and the stabilizer bar base 9, when the balance is adjusted before the use, the lifting oil cylinder 2 is controlled, the lifting oil cylinder 2 drives the connecting rod 3 to move, the connecting rod 3 drives the stabilizer bar 7 to move, the limit block 8 at the lower end of the stabilizer bar 7 moves in the movable groove 18, so that the spring 17 is extruded by the top cover plate 5, the heights of all the supporting legs are equal by adjustment, in the working process, the spring 17 and the rubber sheet 12 are simultaneously extruded by the top cover plate 5, the vibration generated in the working process can be relieved by the spring 17 and the rubber sheet, and the spring 17, the stabilizer bar 7, even in the falling water weather, the device is not damaged, the service life of the device is prolonged, the whole device is matched with the lifting oil cylinder 2 to adjust the balance of the supporting legs, and the device also plays a great role in protecting the bottom surface.

To sum up, this crane landing leg is with the rubber shock absorber that can protect construction ground not receive destruction, through the use of rubber shock absorber to the bottom surface of construction has been protected, and in the construction process, to the use of crane, stopper 8 and shift chute 18's use and lift cylinder 2 have adjusted the balance of landing leg frame jointly, stabilizer bar 7 and stabilizer bar base 8, spring 17 all set up the inside at sheet rubber 12, have so protected whole device not influenced by the environment, have prolonged life.

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 rubber shock absorber that jack-up crane landing leg was not destroyed with protection construction ground, including activity landing leg (1), its characterized in that: the utility model discloses a stabilizer bar, including activity landing leg (1), the left lower extreme fixed mounting of activity landing leg (1) has lift cylinder (2), the lower extreme fixed mounting of lift cylinder (2) has connecting rod (3), the lower extreme of connecting rod (3) passes through fixed baseplate (4) fixed mounting has lamina tecti (5), set up evenly distributed's screw hole (6) on lamina tecti (5), the lower extreme fixed mounting of lamina tecti (5) has stabilizer bar (7), the lower extreme fixed mounting of stabilizer bar (7) has stopper (8), stopper (8) movable mounting is in the inside of stabilizer bar base (9), the lower extreme fixed mounting of stabilizer bar base (9) has backup pad (10), the lower extreme fixed mounting of backup pad (10) has first bolt (11), the equal fixed mounting in both ends has sheet rubber (12) about lamina tecti (5), the lower extreme fixed mounting of sheet rubber (12) has base (13), the lower extreme threaded connection of first bolt.

2. The rubber damper for a crane leg according to claim 1 for protecting a construction ground from damage, wherein: and the fixed base (4) is in threaded connection with the top cover plate (5) through a second bolt (15).

3. The rubber damper for a crane leg according to claim 1 for protecting a construction ground from damage, wherein: the lower end of the stabilizer bar (7) extends to the inside of the stabilizer bar base (9).

4. The rubber damper for a crane leg according to claim 1 for protecting a construction ground from damage, wherein: the lower end of the first bolt (11) is connected to the lower end face of the base (13).

5. The rubber damper for a crane leg according to claim 1 for protecting a construction ground from damage, wherein: the supporting leg plate (14) is provided with a thread groove (16) corresponding to the first bolt (11).

6. The rubber damper for a crane leg according to claim 1 for protecting a construction ground from damage, wherein: and springs (17) are sleeved outside the stabilizer bars (7) and the stabilizer bar base (9).

7. The rubber damper for a crane leg according to claim 1 for protecting a construction ground from damage, wherein: a movable groove (18) is formed in the stabilizer bar base (9), and the connection relation between the limiting block (8) and the movable groove (18) is movably connected.