CN217713460U

CN217713460U - Air spring support and engineering machinery

Info

Publication number: CN217713460U
Application number: CN202222009380.8U
Authority: CN
Inventors: 高梦祥; 李奎举; 孟亚
Original assignee: Sany Heavy Machinery Ltd
Current assignee: Sany Heavy Machinery Ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-11-01
Anticipated expiration: 2032-08-01

Abstract

The utility model relates to an engineering machine tool technical field, concretely relates to air spring support and engineering machine tool. The gas spring support includes: a fixed seat; the adjusting part is slidably arranged on the fixed seat and is suitable for being rotatably connected with one end of the gas spring, so that the position of the connecting point of the gas spring and the adjusting part is adjusted by adjusting the position of the adjusting part on the fixed seat. The utility model discloses set up the regulating part on the fixing base, the rotatable connection of one end of regulating part and air spring, regulating part can slide in succession on the fixing base simultaneously, can be according to air spring operational environment's temperature, the position of the tie point of adjustment air spring and regulating part makes the air spring all can keep normal operating condition under the temperature of difference, and then makes the back aircraft bonnet obtain effectual support, can't adjust the problem of spring fixed point in a flexible way when effectively having solved the environment complicated in the face of temperature variation among the prior art.

Description

Air spring support and engineering machinery

Technical Field

The utility model relates to an engineering machine tool technical field, concretely relates to air spring support and engineering machine tool.

Background

Along with the development of excavator internationalization, the past country of excavator round pin is more and more, the temperature in different areas is also different, the excavator generally supports the back aircraft bonnet of opening through the air spring, couple together air spring and fuselage through the air spring support, generally be fixed with the support through the fixed bulb hinge on it for the air spring, the mounting point of air spring is fixed motionless in the fixed air spring support, because the temperature characteristic of air spring working medium, for normal temperature, the power value of air spring risees when high temperature in summer, the power that leads to back aircraft bonnet to close is too big, back aircraft bonnet opens at the excessive speed, produce the use risk, and when low temperature in winter, the air spring power value reduces, can make back aircraft bonnet open the difficulty again, can not keep opening the state and automatic whereabouts after opening, two kinds of extreme operating modes all can cause back aircraft bonnet switching function to lose efficacy.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the unable nimble adjustment spring fixed point defect among the prior art to an air spring support and engineering machine tool are provided.

In order to solve the problem, the utility model provides an air spring support, include: a fixed seat; the adjusting part is slidably arranged on the fixed seat and is suitable for being rotatably connected with one end of the gas spring, so that the position of the connecting point of the gas spring and the adjusting part is adjusted by adjusting the position of the adjusting part on the fixed seat.

Optionally, a slide way is arranged on the fixing seat, and the adjusting portion is matched with the slide way.

Optionally, the slide is arc-shaped, and the circle center corresponding to the arc is the hinge point between the other end of the gas spring and the rear hood when the rear hood is opened to the maximum.

Optionally, the slide runs through two opposite surfaces of the fixing base, the adjusting portion includes an adjusting hoop sheet, a matching portion is formed at a portion, located at one side of the slide, of the fixing base, the adjusting hoop sheet is connected to the matching portion in a clamping mode, and one end of the adjusting hoop sheet is connected with the other end of the adjusting hoop sheet after penetrating out of the slide.

Optionally, the adjusting portion is further provided with a fastening component, and the fastening component has a locking state for locking the adjusting portion on the fixing seat and an unlocking state for moving the adjusting portion.

Optionally, through holes are formed at two ends of the adjusting hoop sheet, and the fastening part is matched with the through holes.

Optionally, the fastening member includes a bolt and a nut, and the bolt is connected to the nut through the through hole.

Optionally, a gasket is further disposed between the adjusting hoop sheet and the matching portion.

Optionally, the adjusting portion further comprises a connecting plate, the connecting plate is fixedly connected with the adjusting hoop piece, a fixing hole is formed in the connecting plate, and one end of the air spring is suitable for being matched with the fixing hole and connected to the adjusting portion.

The utility model also provides an engineering machine tool, include: the gas spring support and the gas spring are connected, and one end of the gas spring is rotatably connected with the gas spring support.

The utility model has the advantages of it is following:

1. set up the regulating part on the fixing base, the rotatable connection of one end of regulating part and air spring, regulating part can slide in succession on the fixing base simultaneously, can be according to air spring operational environment's temperature, the position of the tie point of adjustment air spring and regulating part makes the air spring all can effectual work under different temperatures, and then makes the back aircraft bonnet obtain effectual support, has effectively solved the problem that can't adjust the spring fixed point in a flexible way when facing the environment that temperature variation is complicated among the prior art.

2. Be equipped with fastening member on the regulation part, when adjusting the regulation part position, only need with the fastening member back removal regulation part to the position that will adjust of unscrewing, the fastening member of screwing alright with the regulation part refasten, can adjust in succession according to different temperatures, until the air spring can normal stable work under current temperature, such regulation mode is accurate and simple swift.

3. The slide is arc, and the centre of a circle that the circular arc corresponds is the pin joint of the other end of back aircraft bonnet and back aircraft bonnet when the back aircraft bonnet is opened to the biggest, and when adjusting the regulating part position, the regulating part is fixed in the optional position on the slide, all can make the biggest opening angle of back aircraft bonnet unchangeable, does not influence manipulation convenience and easy maintenance nature.

4. A gasket is arranged between the adjusting hoop sheet and the fixed seat to prevent the adjusting hoop sheet from loosening, so that the fastening state between the adjusting hoop sheet and the fixed seat is firmer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 shows a front three-dimensional schematic view of a gas spring support in accordance with an embodiment of the present invention;

FIG. 2 shows a rear three-dimensional schematic view of the gas spring support of FIG. 1;

FIG. 3 shows an assembly schematic of the gas spring support of FIG. 1.

Description of reference numerals:

10. adjusting the hoop sheet; 11. a rubber gasket; 12. a connecting plate; 121. a fixing hole; 13. a bolt; 20. a fixed seat; 21. a slideway; 30. a body; 40. and a rear hood.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, 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 according to specific situations by those of ordinary skill in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 3, the gas spring support of the present embodiment includes: the adjusting device comprises a fixing seat 20 and an adjusting part, wherein the adjusting part is slidably arranged on the fixing seat 20, the adjusting part is suitable for being rotatably connected with one end of the gas spring, and the position of the connecting point of the gas spring and the adjusting part is suitable for being adjusted by adjusting the position of the adjusting part on the fixing seat 20.

Use the air spring support of this embodiment, set up the regulating part on fixing base 20, the rotatable connection of one end of regulating part and air spring, the regulating part can slide in succession on fixing base 20 simultaneously, can be according to the temperature of air spring operational environment, the tie point position of adjustment air spring makes the air spring all can effectual work under different temperatures, and then makes the back aircraft bonnet obtain effectual support, can't adjust the problem of spring fixed point in a flexible way when effectively having solved the environment complicated in the prior art in the face of temperature variation.

Specifically, fixing base 20 carries out fixed connection with the fuselage, in order to fix the position of air spring support, its fixed connection's mode can be bolted connection, welding etc., do not limit to fixing base 20's structure and material, only need can be firm fixed on the fuselage and can make the regulating part slide above that can, regulating part and fixing base 20's connected mode can be through checkpost, bulb hinge, also can be forms such as staple bolt, need make regulating part can be on fixing base 20 continuous slip, select according to concrete connection mode can.

In this embodiment, the fixing base 20 is provided with a slide rail 21, the adjusting portion is matched with the slide rail 21, and the adjusting portion can slide on the slide rail 21, so that the structure is simple and the manufacturing is convenient. Specifically, the number and shape of the slide ways 21 are not particularly limited, and the number of the slide ways may be selected according to the working environment, and the slide ways may be rectangular grooves or arc-shaped grooves.

In this embodiment, the slide rail 21 is arc-shaped, the circle center corresponding to the arc is the hinge point between the other end of the gas spring and the rear hood 40 when the rear hood 40 is opened to the maximum, and when the position of the adjusting part is adjusted, the adjusting part is fixed at any position on the slide rail 21, so that the maximum opening angle of the rear hood 40 is unchanged, and the operation convenience and the maintenance convenience are not affected. It will be appreciated that the slideway 21 may be provided in the form of a straight line or the like.

In this embodiment, slide 21 runs through two relative surfaces of fixing base 20, and the regulation portion includes regulation hoop piece 10, and the part that fixing base 20 is located one side of slide 21 forms the cooperation portion, and regulation hoop piece 10 joint is connected with the other end after the one end of regulation hoop piece 10 is worn out from slide 21 to make regulation hoop piece 10 can slide on the cooperation portion, simple structure, convenient regulation. It is understood that the adjustment strap 10 may be two straps, and the two ends of the two straps are connected by a fastening component.

In this embodiment, still be equipped with fastening component on the regulating part, fastening component has the locking state of locking the regulating part on fixing base 20 and makes the unblock state that the regulating part removed, when adjusting the regulating part position, only need move the regulating part to the position that will adjust after loosening fastening component, the fastening component of screwing alright with the regulating part refasten, can adjust according to different temperatures in succession, until the work that the air spring can normally be stable under current temperature, such regulation mode is accurate and simple swift.

In this embodiment, through holes are formed at both ends of the adjustment strap 10, and fastening members are engaged with the through holes, and the fastening members pass through the through holes and fasten both ends of the adjustment strap 10 to be fixed to the slide 21.

In this embodiment, the fastening part includes bolt 13 and nut, and bolt 13 passes the through-hole and is connected with the nut, and bolt 13 and nut cooperation make things convenient for operating personnel to carry out position control, simple structure.

In this embodiment, a spacer is further disposed between the adjustment hoop sheet 10 and the mating portion to prevent the adjustment hoop sheet 10 from loosening, so that the fastening state between the adjustment hoop sheet 10 and the mating portion is firmer. Specifically, the material of the gasket may be metal, rubber, cork, etc., and the specific shape may be changed according to the actual situation. Preferably, the gasket is a rubber gasket 11.

In this embodiment, the spacer is fixed to the adjustment strap 10, and the spacer is adhered to the adjustment strap 10 by the adhesive, so that the spacer can move together with the adjustment strap 10 when the adjustment strap 10 is moved, and the spacer does not need to be removed, thereby improving the fastening reliability of the adjustment strap 10 and simplifying the process of adjusting the position of the spacer. It is understood that the gasket may be welded or other fixed connection methods.

In this embodiment, the adjusting portion further includes a connecting plate 12, the connecting plate 12 is fixedly connected to the adjusting strap 10, a fixing hole 121 is formed on the connecting plate 12, and one end of the gas spring is adapted to be coupled to the adjusting portion in cooperation with the fixing hole 121. Specifically, the fixing connection between the connecting plate 12 and the adjusting strap 10 may be performed by welding, bolting, etc., and may be selected according to the convenience of processing, and the shape and size of the fixing hole 121 may be changed according to the shape and size of the corresponding matching coordination of the gas spring.

The following describes a specific use mode of the gas spring support provided in this embodiment:

when the temperature is lower, the supporting force of the gas spring is reduced, the bolt 13 and the nut are unscrewed, the fixing hole 121 moves in the slide rail 21, the fixing hole 121 is far away from the axis of the hinge of the rear hood 40, the force arm of the gas spring is increased, the moment of the gas spring is increased, and the bolt 13 and the nut are screwed down after proper adjustment; when the air temperature is higher, the supporting force of the air spring is increased, the bolt 13 and the nut are unscrewed by the same method, the fixing hole 121 is moved to enable the fixing point to be close to the hinge axis of the rear hood 40, the moment of the air spring is reduced by reducing the arm of force of the air spring, and the bolt 13 and the nut are fastened after the adjustment is proper.

The utility model also provides an engineering machine tool, it includes: the gas spring support and the gas spring are connected, and one end of the gas spring is rotatably connected with the gas spring support.

In this embodiment, the engineering machine is an excavator, a crane, a rotary drilling rig, or the like.

In this embodiment, the construction machine further includes a body 30 and a rear housing 40, and the gas spring support is fixed to the body 30, and the other end of the gas spring is hinged to the rear housing 40. It can be understood that the gas spring support is also suitable for other parts of the engineering machinery needing the gas spring.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. set up the regulation portion on fixing base 20, the rotatable connection of one end of regulation portion and air spring, the regulation portion can slide on fixing base 20 in succession simultaneously, according to air spring operational environment's temperature, can adjust the position of the tie point of air spring and regulation portion in succession, and then effectively deal with the influence of different temperatures to the air spring.

2. The regulating part is connected on the slide 21 through the regulating hoop piece 10, fastens the regulating hoop piece 10 through the bolt 13 and the nut, realizes the position of regulating hoop piece 10 through loosening and screwing up the bolt 13 and the nut, and the fastening mode is simple, easily processing, and the bolt 13 is connected with the nut and is made things convenient for personnel to operate, and the adjustment is convenient.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. A gas spring support, comprising:

a fixed seat;

the adjusting part is slidably arranged on the fixed seat and is suitable for being rotatably connected with one end of the gas spring, so that the position of a connecting point of the gas spring and the adjusting part is adjusted by adjusting the position of the adjusting part on the fixed seat.

2. A gas spring support according to claim 1, in which said retaining bracket is provided with a slideway thereon, said adjustment portion engaging said slideway.

3. The gas spring support according to claim 2, wherein the slideway is arcuate in shape, and the center of the circle corresponding to the arc is the hinge point between the other end of the gas spring and the rear hood when the rear hood is maximally open.

4. The gas spring support according to claim 2, wherein said slide extends through opposite surfaces of said anchor seat, said adjustment portion includes an adjustment strap, a portion of said anchor seat on one side of said slide forms a mating portion, said adjustment strap snaps onto said mating portion, and one end of said adjustment strap is connected to the other end after passing out of said slide.

5. A gas spring support according to claim 4, wherein a tightening member is also provided on said adjustment portion, said tightening member having a locked condition locking said adjustment portion to said seating and an unlocked condition moving said adjustment portion.

6. A gas spring support according to claim 5, in which said adjustment band is provided with through holes at both ends thereof, said tightening member engaging said through holes.

7. A gas spring support according to claim 6, wherein said fastening member includes a bolt and a nut, said bolt being connected to said nut through said through hole.

8. Gas spring support according to any one of claims 4 to 7, characterized in that a spacer is also provided between the adjusting strap and the cooperating portion.

9. A gas spring support according to any one of claims 4 to 7, wherein said adjustment portion further includes a connecting plate fixedly connected to said adjustment tag, a fixing aperture being provided in said connecting plate, one end of said gas spring being adapted to be connected to said adjustment portion in cooperation with said fixing aperture.

10. A work machine, comprising: a gas spring support and gas spring as claimed in any one of claims 1 to 9, one end of the gas spring being rotatably connected to the gas spring support.