CN216515806U - Energy accumulator fixing device and hydraulic breaking hammer - Google Patents

Abstract

An energy accumulator fixing device comprises a fixing support, and an axial damping device and a radial damping device which are arranged on the fixing support; the energy accumulator is provided with an axial direction X and a radial direction Y, the axial damping device is used for buffering the vibration of the energy accumulator in the axial direction X, and the radial damping device is used for buffering the vibration of the energy accumulator in the radial direction Y. The energy accumulator fixing device can slow down the impact and vibration of an energy accumulator and a working device using the energy accumulator in the whole space, and has the advantages of reasonable structure and convenience in installation. The utility model also relates to a hydraulic breaking hammer with the energy accumulator fixing device.

Description

Energy accumulator fixing device and hydraulic breaking hammer

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to an energy accumulator fixing device and a hydraulic breaking hammer with the same.

Background

The hydraulic breaking hammer is a device for converting hydraulic energy into mechanical energy and further applying work to the outside, and is mainly used for breaking, dismantling, excavating hard layers and the like. The hydraulic breaking hammer can be matched with various special or general hydraulic main machines, and the excavator is a carrying machine which is most suitable to be used as a hydraulic breaking hammer due to the fact that the excavator has a wide working range, good operation performance and wide practicability.

The energy accumulator is usually arranged on an oil inlet and return pipeline of the breaking hammer arranged on the excavator, so that the oil quantity can be supplemented at the working moment, the hydraulic vibration and fluctuation can be absorbed, the oil way pulse is reduced, and the hydraulic system of the excavator is better protected.

The breaking hammer can vibrate strongly during operation, and when the vibration damages the energy accumulator body, damage can be brought to a fixing device of the energy accumulator body, so that the working performance of the energy accumulator body can be seriously influenced.

The conventional way of fixing the energy accumulator is by an energy accumulator fixing device. The energy accumulator fixing device is generally composed of a support, a hoop and a rubber pad matched with the hoop. The clamp presss from both sides the energy storage ware tightly, prevents that it from swaying and rocking, in order to protect the energy storage ware, still is equipped with the rubber pad between clamp and energy storage ware, then fixes the clamp on the support through the bolt again, and the support welds on the excavator swing arm.

The energy accumulator fixing device has the advantages that the traditional energy accumulator fixing device is adopted, only radial and/or axial displacement of the energy accumulator is limited, and high-frequency impact and vibration caused by system working cannot be absorbed or reduced, the energy accumulator fixing device is often difficult to ensure that the energy accumulator works reliably on a breaking hammer, and in addition, strong vibration generated in the working process of the breaking hammer can not only loosen a bolt, but also easily break a clamp after long-time operation, so that the energy accumulator falls off, and even is dangerous.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides an energy storage fixing device, which can reduce the impact and vibration of an energy storage and a working device using the energy storage in the whole space, and has a reasonable structure and is convenient to install.

The energy accumulator fixing device provided by the embodiment of the utility model is used for fixing an energy accumulator and comprises a fixing support, and an axial damping device and a radial damping device which are arranged on the fixing support; the energy accumulator is provided with an axial direction X and a radial direction Y, the axial damping device is used for buffering the vibration of the energy accumulator in the axial direction X, and the radial damping device is used for buffering the vibration of the energy accumulator in the radial direction Y.

Further, the fixed support comprises a bottom plate, two side plates oppositely arranged at two ends of the bottom plate, a back plate connected with the bottom plate and the two side plates and extending upwards, and a limiting plate arranged between the two side plates and positioned above the bottom plate; a clamp is fixedly arranged at one end of the back plate, which is far away from the bottom plate, the upper end of the energy accumulator is sleeved in the clamp, and the lower end of the energy accumulator is fixed on the limiting plate; the axial damping device is arranged on the bottom plate and connected with the limiting plate, and the radial damping device is arranged on the hoop and is abutted against the energy accumulator.

Furthermore, two side plates are provided with limiting holes, and two ends of each limiting plate are respectively inserted into the two limiting holes; the bottom plate is provided with a avoiding hole corresponding to the energy accumulator, and a conducting hole is formed in the position, close to the back plate, of the bottom plate.

Furthermore, the number of the axial damping devices is two, and the two axial damping devices are symmetrically arranged on two sides in the axial direction X; the axial damping device comprises a connecting bolt and a first elastic piece sleeved on the connecting bolt; the connecting bolt is fixed on the bottom plate, a blind hole is formed in the surface, facing the bottom plate, of the limiting plate, and one end, far away from the bottom plate, of the first elastic piece is inserted into the blind hole.

Furthermore, the connecting bolt is arranged on the bottom plate in a penetrating mode, two ends of the connecting bolt are exposed out of two sides of the bottom plate, the axial damping device further comprises a height adjusting nut, a fixing nut and a first gasket, the height adjusting nut, the fixing nut and the first gasket are sleeved on the connecting bolt, the height adjusting nut and the first gasket are arranged between the bottom plate and the first elastic piece, the first gasket is close to the first elastic piece, and the fixing nut is arranged on one side, away from the limiting plate, of the bottom plate.

Furthermore, the hoop comprises an arc section and straight line sections respectively arranged at two ends of the arc section, one end of each straight line section, which is far away from the arc section, is provided with a fixing flange, the back plate is provided with a boss, and the fixing flanges are fixed on the bosses through fixing pieces; the number of the radial shock absorption devices is two, the two radial shock absorption devices are respectively arranged on the two straight line sections, and grooves matched with the outer contour of the energy accumulator are formed in the bosses.

Furthermore, a first cushion pad is arranged in the groove, and a second cushion pad is arranged on the outer surface, close to the arc section, of the energy accumulator.

Further, the radial damping device comprises a support column arranged on the straight line section and a second elastic piece sleeved on the support column.

Furthermore, the second elastic part comprises a spring and a protective sleeve wrapped outside the spring, and one end of the protective sleeve, which is close to the energy accumulator, is provided with an arc-shaped end face matched with the outer contour of the energy accumulator; the radial damping device further comprises a second gasket, and the second gasket is sleeved on the support and located between the straight line section and the second elastic piece.

The utility model also relates to a hydraulic breaking hammer, which comprises an energy accumulator and the energy accumulator fixing device, wherein the energy accumulator is fixed on the energy accumulator fixing device.

In summary, the energy accumulator fixing device of the present invention can absorb or reduce the impact and vibration in the axial direction X of the energy accumulator and the entire working device using the energy accumulator by using the axial damping device, and can absorb or reduce the impact and vibration in the radial direction of the energy accumulator and the working device by using the radial damping device. The energy accumulator fixing device can fix an energy accumulator, reduces the impact and the vibration of the working device in the whole space, prevents the damage of the energy accumulator and other devices caused by the severe impact and the vibration during the operation of the working device, and is reasonable in structure and convenient to install.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a perspective view of an accumulator fixing device according to a preferred embodiment of the present invention.

Fig. 2 is a front view of an accumulator fixing apparatus according to a preferred embodiment of the present invention.

Fig. 3 is a top view of an accumulator fixing device according to a preferred embodiment of the present invention.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the utility model, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1 to 3, the present invention provides an energy storage device fixing apparatus for fixing an energy storage device 1. The energy accumulator fixing device comprises a fixing support 2, and an axial damping device 3 and a radial damping device 4 which are arranged on the fixing support 2; the energy accumulator 1 has an axial direction X and a radial direction Y, the axial damping device 3 is used for damping vibrations to which the energy accumulator 1 is subjected in the axial direction X, and the radial damping device 4 is used for damping vibrations to which the energy accumulator 1 is subjected in the radial direction Y.

The energy accumulator fixing device of the utility model is simultaneously provided with the direction damping device 3 and the radial damping device 4, and the damping devices at different positions can simultaneously absorb or reduce the axial and radial vibration received by the energy accumulator 1 and the influence of the energy accumulator 1 on other devices in the working process, thereby effectively preventing the energy accumulator 1 and other working devices using the energy accumulator 1 from being damaged by external vibration.

Specifically, the fixing bracket 2 includes a bottom plate 21, two side plates 22 oppositely disposed at both ends of the bottom plate 21, a back plate 23 connected to the bottom plate 21 and the two side plates 22 and extending upward, and a stopper plate 24 disposed between the two side plates 22 and above the bottom plate 21. The base plate 21, the two side plates 22 and the back plate 23 enclose an accommodation space in which the energy accumulator 1 is arranged.

The end of the back plate 23 far from the bottom plate 21 is fixedly provided with a hoop 25, the upper end of the energy accumulator 1 is sleeved in the hoop 25, the lower end of the energy accumulator 1 is fixed on the limiting plate 24, specifically, a containing hole (not shown) matched with the bottom contour of the energy accumulator 1 is arranged on the limiting plate 24, the bottom of the energy accumulator 1 is located in the containing hole, and part of the bottom of the energy accumulator 1 is exposed from the lower side of the limiting plate 24. The limiting plate 24 is arranged approximately parallel to the bottom plate 21, the axial damping device 3 is arranged on the bottom plate 21 and connected with the limiting plate 24, and the radial damping device 4 is arranged on the hoop 25 and abuts against the energy accumulator 1. One end of the energy accumulator 1 is fixed on the limiting plate 24, the axial damping device 3 is arranged below the limiting plate 24 to buffer the vibration axially received by the energy accumulator 1, and the radial damping device 4 is arranged on the hoop 25 to buffer the vibration radially received by the energy accumulator 1, so that the energy accumulator 1 is effectively protected, and meanwhile, the risk of looseness or disconnection of the hoop 25 used for fixing the energy accumulator 1 is avoided.

Furthermore, two side plates 22 are provided with limiting holes 22a, two ends of the limiting plate 24 are respectively inserted into the two limiting holes 22a, the height of each limiting hole 22a is larger than the thickness of the limiting plate 24, the limiting plate 24 can move up and down (i.e. in the axial direction X) in the limiting holes 22a, and it can be understood that the side plates 22 can limit the movement of the limiting plate 24 in the left and right directions (i.e. in the radial direction Y). Further, the bottom plate 21 is provided with a relief hole 21a corresponding to the energy accumulator 1 for arranging a connecting pipeline on the energy accumulator 1, and a through hole 21b is formed in the position, close to the back plate 23, of the bottom plate 21, and the through hole 21b facilitates rainwater to flow down without accumulating on the bottom plate 21.

In this embodiment, the number of the axial damping devices 3 is two, and the two axial damping devices 3 are symmetrically arranged on two sides of the axial direction X, but not limited thereto, so that the number of the axial damping devices 3 can be increased according to actual conditions to achieve a more appropriate damping effect.

Specifically, the axial damping device 3 includes a coupling bolt 31 and a first elastic member 32 sleeved on the coupling bolt 31, and the first elastic member 32 is, for example, a spring or other elastic element. The connecting bolt 31 is fixed on the bottom plate 21, the surface of the limiting plate 24 facing the bottom plate 21 is provided with a blind hole (not shown), and one end of the first elastic element 32 far away from the bottom plate 21 is inserted into the blind hole, so that the first elastic element 32 is positioned through the blind hole.

Further, the coupling bolt 31 is arranged on the bottom plate 21 in a penetrating manner, two ends of the coupling bolt are exposed out of two sides of the bottom plate 21, the axial damping device 3 further comprises a height adjusting nut 33, a fixing nut 34 and a first gasket 35, the height adjusting nut 33, the fixing nut 34 and the first gasket 35 are sleeved on the coupling bolt 31, the height adjusting nut 33 and the first gasket 35 are arranged between the bottom plate 21 and the first elastic piece 32, the first gasket 35 is closer to the first elastic piece 32 than the height adjusting nut 33, and the fixing nut 34 is arranged on the side, away from the limiting plate 24, of the bottom plate 21. The height adjusting nut 33 is a replaceable member for adjusting the elastic force (i.e., the spring compression length) of the first elastic member 32 by setting the height adjusting nut 33 at different heights.

In this embodiment, the clamp 25 includes an arc segment 251 and straight line segments 252 respectively disposed at two ends of the arc segment 251, a fixing flange 253 is disposed at one end of each straight line segment 252, which is far away from the arc segment 251, a boss 231 is disposed on the back plate 23, and the fixing flange 253 is fixed on the boss 231 through a fixing member 254.

The number of the radial shock absorbers 4 is two, but not limited thereto. Two radial shock absorbers 4 are respectively provided on the two rectilinear segments 252. The two radial shock absorbing devices 4 are symmetrically arranged on two sides of the energy accumulator 1, so that the vibration of the energy accumulator 1 in the radial direction can be buffered. In other embodiments, the number of the radial shock absorbing devices 4 can be three or more, and the radial shock absorbing devices are distributed and distributed at intervals around the circumference of the energy accumulator 1.

Furthermore, a groove 231a matched with the outer contour of the energy accumulator 1 is arranged on the boss 231, and a first cushion pad 26 is arranged in the groove 231 a; the outer surface of the energy accumulator 1 near the circular arc segment 251 is provided with a second cushion pad 27. The vibrations to which the accumulator 1 is subjected in this direction are damped by the first cushion pad 26 and the second cushion pad 27. The first cushion pad 26 and the second cushion pad 27 are, for example, rubber pads.

The radial shock absorbing device 4 comprises a pillar 41 disposed on the straight section 252 and a second elastic member 42 sleeved on the pillar 41.

Further, the second elastic element 42 comprises a spring 421 and a protective sleeve 422 wrapped outside the spring 421, and one end of the protective sleeve 422 close to the energy accumulator 1 has an arc-shaped end surface matched with the outer contour of the energy accumulator 1; the radial shock absorbing device 4 further comprises a second gasket 43, wherein the second gasket 43 is sleeved on the pillar 41 and is located between the straight section 252 and the second elastic member 42.

The utility model has the beneficial effects that: the limiting plate 24 is utilized to support the bottom of the energy accumulator 1, so that the displacement of the energy accumulator 1 in the axial direction X is limited, and meanwhile, the axial damping device 3 can absorb or reduce the impact and the vibration on the energy accumulator 1 and the whole working device using the energy accumulator 1 in the axial direction X; further, the first elastic member 32 of the axial damping device 3 can adjust the compression size under the action of the height adjusting nut 33, so as to adjust the damping effect of the axial damping device 3. The energy accumulator 1 is clamped by the clamp 25, the radial displacement of the energy accumulator 1 is limited, and meanwhile, the radial shock absorption device 4 can absorb or reduce the impact and the shock on the radial direction of the energy accumulator and the working device. The energy accumulator fixing device can fix the energy accumulator in the axial direction and the radial direction, reduces the impact and the vibration of the working device in the whole space, and prevents the energy accumulator 1 and other devices from being damaged due to severe impact and vibration during the operation of the working device.

The utility model also relates to a hydraulic breaking hammer, which comprises an energy accumulator 1 and the energy accumulator fixing device, wherein the energy accumulator 1 is fixed on the energy accumulator fixing device, and the hydraulic breaking hammer with the energy accumulator fixing device is particularly suitable for being applied to large excavators with the weight of 70 tons or more. The energy accumulator fixing device can be fixed on the movable arm of the excavator in a welding mode through the fixing support 2.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the present invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. An energy accumulator fixing device is used for fixing an energy accumulator (1) and is characterized by comprising a fixing support (2), and an axial damping device (3) and a radial damping device (4) which are arranged on the fixing support (2); energy storage ware (1) has axial direction X and radial direction Y, axial damping device (3) are used for buffering energy storage ware (1) are in the vibrations that receive on the axial direction X, radial damping device (4) are used for buffering energy storage ware (1) are in the vibrations that receive on the radial direction Y.

2. The accumulator fixing device according to claim 1, wherein the fixing bracket (2) comprises a bottom plate (21), two side plates (22) oppositely disposed at both ends of the bottom plate (21), a back plate (23) connected to the bottom plate (21) and the two side plates (22) and extending upward, and a stopper plate (24) disposed between the two side plates (22) and above the bottom plate (21); a hoop (25) is fixedly arranged at one end, far away from the bottom plate (21), of the back plate (23), the upper end of the energy accumulator (1) is sleeved in the hoop (25), and the lower end of the energy accumulator (1) is fixed on the limiting plate (24); axial damping device (3) set up on bottom plate (21) and with limiting plate (24) are connected, radial damping device (4) set up on clamp (25) and support by in energy storage ware (1).

3. The accumulator fixing device according to claim 2, wherein two side plates (22) are provided with limit holes (22a), and both ends of the limit plate (24) are respectively inserted into the two limit holes (22 a); bottom plate (21) correspond energy storage ware (1) is equipped with dodge hole (21a), bottom plate (21) are close to backplate (23) position is equipped with conducting hole (21 b).

4. Accumulator fixation device according to claim 2, characterized in that said axial shock-absorbing means (3) are two in number, symmetrically arranged on both sides of said axial direction X; the axial damping device (3) comprises a connecting bolt (31) and a first elastic piece (32) sleeved on the connecting bolt (31); the connecting bolt (31) is fixed on the bottom plate (21), a blind hole is formed in the surface, facing the bottom plate (21), of the limiting plate (24), and one end, far away from the bottom plate (21), of the first elastic piece (32) is inserted into the blind hole.

5. The accumulator fixing device according to claim 4, characterized in that the coupling bolt (31) is inserted through the bottom plate (21) and both ends of the coupling bolt are exposed from both sides of the bottom plate (21), the axial damping device (3) further comprises a height adjusting nut (33), a fixing nut (34) and a first washer (35) which are sleeved on the coupling bolt (31), the height adjusting nut (33) and the first washer (35) are arranged between the bottom plate (21) and the first elastic member (32) and the first washer (35) is close to the first elastic member (32), and the fixing nut (34) is arranged on the side of the bottom plate (21) which is far away from the limit plate (24).

6. The energy accumulator fixing device according to claim 2, wherein the clamp (25) comprises a circular arc section (251) and straight line sections (252) respectively arranged at two ends of the circular arc section (251), one end of each straight line section (252) far away from the circular arc section (251) is provided with a fixing flange (253), the back plate (23) is provided with a boss (231), and the fixing flanges (253) are fixed on the bosses (231) through fixing pieces (254); the number of the radial shock absorption devices (4) is two, the two radial shock absorption devices are respectively arranged on the two straight line sections (252), and grooves (231a) matched with the outer contour of the energy accumulator (1) are formed in the boss (231).

7. Accumulator fixation device according to claim 6, characterized in that a first cushion (26) is provided in the recess (231a) and that a second cushion (27) is provided on the outer surface of the accumulator (1) near the circular arc segment (251).

8. Accumulator fixation device according to claim 7, characterised in that said radial shock-absorbing means (4) comprise a pillar (41) arranged on said rectilinear section (252) and a second elastic element (42) fitted over said pillar (41).

9. The accumulator fixing device according to claim 8, characterized in that the second elastic element (42) comprises a spring (421) and a protective sleeve (422) wrapped around the spring (421), one end of the protective sleeve (422) near the accumulator (1) having an arc-shaped end surface matching the outer contour of the accumulator (1); the radial damping device (4) further comprises a second gasket (43), wherein the second gasket (43) is sleeved on the strut (41) and is positioned between the straight section (252) and the second elastic piece (42).

10. A hydraulic breaking hammer, characterized by an accumulator (1) and an accumulator fastening device according to any one of claims 1 to 9, to which the accumulator (1) is fastened.

Images