CN217926919U - Shock attenuation pull rod and construction machinery - Google Patents
Shock attenuation pull rod and construction machinery Download PDFInfo
- Publication number
- CN217926919U CN217926919U CN202220881125.XU CN202220881125U CN217926919U CN 217926919 U CN217926919 U CN 217926919U CN 202220881125 U CN202220881125 U CN 202220881125U CN 217926919 U CN217926919 U CN 217926919U
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- pull rod
- rod
- shock
- elastic component
- elastic member
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- 230000035939 shock Effects 0.000 title claims abstract description 27
- 238000010276 construction Methods 0.000 title claims abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000013016 damping Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model relates to a shock attenuation pull rod, including first pull rod, second pull rod and elastic component, the one end of first pull rod is equipped with first connecting portion, and the other end movably of first pull rod is connected in the second pull rod, and the tip that first pull rod was kept away from to the second pull rod is equipped with second connecting portion, and elastic component connects between first pull rod and second pull rod. The utility model discloses a shock attenuation pull rod has the cushioning effect, not only increases the life-span of pull rod, and length adjustable, and is high to the error tolerance of installation accuracy, reduction in production cost. The utility model discloses still relate to a construction machinery.
Description
Technical Field
The utility model relates to an engineering machine tool technical field, in particular to shock attenuation pull rod and construction machinery.
Background
Fig. 1 is a schematic structural diagram of a tie rod 33 connecting a frame and a radiator 32 in the prior art, as shown in fig. 1, one end of the tie rod 33 is fixed on a rotary platform 31 of an excavator by using bolts, the other end of the tie rod 33 is fixed on the radiator 32 by using bolts, the tie rod 33 is used for supporting and fixing the radiator 32, and the tie rod 33 has no damping effect, so that the radiator 32 and the rotary platform 31 are in hard connection with each other by using the tie rod 33, the mining excavator has a bad working condition and a large vibration strength, if an improper fixing form of the radiator 32 is used, the radiator 32 may be seriously inclined, even the tie rod 33 is broken to cause fixing failure, and the radiator 32 vibrates to easily cause the tie rod 33 to be broken under the bad working condition, the tie rod 33 is also easily broken after long-time working, the working life is not long, and when the frame has a large vibration, the inner core of the radiator 32 is subjected to a large impact due to the fact that the inner core of the tie rod 33 has no damping unit, so that the inner core and the inner core frame are displaced to cause damage to the radiator 32; the length of the pull rod 33 is also not adjustable, and the precision requirement during assembly is higher.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses a shock attenuation pull rod has the cushioning effect, not only increases the life-span of pull rod, and length adjustable, and is high to the error tolerance of installation accuracy, reduction in production cost.
The utility model provides a shock attenuation pull rod, includes first pull rod, second pull rod and elastic component, and the one end of first pull rod is equipped with first connecting portion, and the other end movably of first pull rod is connected in the second pull rod, and the tip that first pull rod was kept away from to the second pull rod is equipped with second connecting portion, and elastic component connects between first pull rod and second pull rod.
The utility model discloses in, be equipped with the slide in the above-mentioned second pull rod, the tip of second pull rod is equipped with the through-hole that communicates with the slide, and the tip of first pull rod passes the through-hole and sets up in the slide.
The utility model discloses in, the tip that above-mentioned first pull rod is located the slide is equipped with first support portion, and elastic component includes first elastic component, and in first elastic component located the slide, the one end of first elastic component was connected or was supported in first support portion, and the other end of first elastic component is connected or is supported the tip that supports the second pull rod.
The utility model discloses in, above-mentioned first pull rod is located the portion of the outer pole of slide and is equipped with the second and supports and lean on the portion, and elastic component still includes the second elastic component, and on the first pull rod was located to the second elastic component, the one end of second elastic component was connected or was supported and to support and lean on the portion to support in the second, and the other end of second elastic component is connected or is supported and to support the tip in the second pull rod.
The utility model discloses in, above-mentioned second supports to lean on the portion to be equipped with the screw hole, and the pole portion of first pull rod is equipped with the external screw thread, and the second supports to lean on the portion to pass through screw hole and external screw thread fit adjustable connection in first pull rod.
The utility model discloses in, above-mentioned second supports and leans on the portion to include first nut and second nut, first nut and second nut threaded connection in first pull rod, and the second elastic component supports and leans on or connect in first nut.
The utility model discloses in, above-mentioned elastic component still includes the third elastic component, and in the slide was located to the third elastic component, the third elastic component set up with first elastic component mutual interval, and the one end of third elastic component is connected or is supported and lean on in the first portion of supporting, and the other end of third elastic component is connected or is supported and lean on the bottom that is close to the second connecting portion in the slide.
In the utility model, the slide way is a chute arranged on the second pull rod, and the chute is arranged along the length direction of the second pull rod; or the slideway is a cavity channel arranged in the second pull rod, and the cavity channel is arranged along the length direction of the second pull rod.
In the present invention, the first connecting portion is provided with a first connecting hole, and the second connecting portion is provided with a second connecting hole; or the first connecting part is provided with a first connecting hole and a first connecting assembly matched with the first connecting hole, and the second connecting part is provided with a second connecting hole and a second connecting assembly matched with the second connecting hole.
The utility model discloses still relate to a construction machinery, including mechanical main part, radiator and foretell shock attenuation pull rod, radiator fixed connection is in mechanical main part, and shock attenuation pull rod's first connecting portion fixed connection is in the radiator, and shock attenuation pull rod's second connecting portion fixed connection is in mechanical main part.
The utility model discloses a damping pull rod is with first pull rod and second pull rod swing joint, but the whole length of adjustable damping pull rod, make damping pull rod can adapt to more models, the error tolerance to the installation accuracy is high, can reduction in production cost, still be equipped with elastic component between first pull rod and the second pull rod, elastic component can reduce vibrations or impact force as elastic unit, can reduce first pull rod or second pull rod when damping pull rod atress and stretch out the broken possibility, the life-span of extension damping pull rod, furthermore, use elastic component to make damping pull rod's application length scope greatly increased, it is electrodeless regulation to adjust in the length within range of being applicable, higher flexibility has.
Drawings
FIG. 1 is a schematic view of a tie rod connecting a frame and a radiator according to the prior art.
Fig. 2 is a schematic view of the split structure of the shock-absorbing pull rod of the present invention.
Fig. 3 is a schematic sectional view of the shock-absorbing rod of the present invention.
Fig. 4 is a partial schematic structural view of the construction machine of the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to facilitate understanding of those skilled in the art, the present application provides a specific implementation process of the technical solution provided by the present application through the following embodiments.
First embodiment
Fig. 2 is the utility model discloses a split structure schematic diagram of shock attenuation pull rod, fig. 3 is the utility model discloses a cross sectional structure schematic diagram of shock attenuation pull rod, as shown in fig. 2 and fig. 3, shock attenuation pull rod 10 includes first pull rod 11, second pull rod 12 and elastic component, the one end of first pull rod 11 is equipped with first connecting portion 111, the other end movably of first pull rod 11 is connected in second pull rod 12, the tip that first pull rod 11 was kept away from to second pull rod 12 is equipped with second connecting portion 121, elastic component connects between first pull rod 11 and second pull rod 12. The first pull rod 11 in this embodiment is a solid pull rod, the first pull rod 11 and the second pull rod 12 are, for example, long strips, the first pull rod 11 and the first connection portion 111 are connected by a thread, and the second pull rod 12 and the second connection portion 121 are connected by a thread; or, the first pull rod 11 and the first connecting portion 111 are designed to be an integral structure, and the second pull rod 12 and the second connecting portion 121 are designed to be an integral structure, which may be designed according to actual needs, but is not limited thereto.
The utility model discloses a damping pull rod 10 is with first pull rod 11 and second pull rod 12 swing joint, adjustable damping pull rod 10's whole length, make damping pull rod 10 can adapt to more models, the error tolerance to installation accuracy is high, can reduction in production cost, still be equipped with elastic component between first pull rod 11 and the second pull rod 12, elastic component can reduce vibrations or impact force as elastic unit, can reduce first pull rod 11 or second pull rod 12 and split and the broken possibility when damping pull rod 10 atress, extension damping pull rod 10's life-span, in addition, use elastic component to make damping pull rod 10's application length scope greatly increased, it is infinitely variable control to adjust in applicable length range, higher flexibility has.
Further, the first connection portion 111 is provided with a first connection hole 101, the second connection portion 121 is provided with a second connection hole 102, and the first connection hole 101 and the second connection hole 102 are used for fixing the shock-absorbing draw bar 10; in another preferred embodiment, the first connection portion 111 has a first connection hole 101 and a first connection component (not shown) matching with the first connection hole 101, the second connection portion 121 has a second connection hole 102 and a second connection component (not shown) matching with the second connection hole 102, and the first connection component and the second connection component are screws or bolts, for example, but not limited thereto.
Furthermore, a slide way 103 is arranged in the second pull rod 12, a through hole communicated with the slide way 103 is arranged at the end of the second pull rod 12, the end of the first pull rod 11 passes through the through hole and is arranged in the slide way 103, and the first pull rod 11 can movably move in the slide way 103.
Further, the end of the first pull rod 11 located in the slide way 103 is provided with a first abutting portion 112, the elastic assembly includes a first elastic member 131, the first elastic member 131 is located in the slide way 103, one end of the first elastic member 131 is connected to or abutted against the first abutting portion 112, the other end of the first elastic member 131 is connected to or abutted against the end of the second pull rod 12, and the first elastic member 131 is limited in the slide way 103. In the embodiment, the first abutting portion 112 is fixedly connected to the first pull rod 11 or is designed as an integral structure, and the first elastic member 131 is disposed between the first abutting portion 112 and the second pull rod 12 to reduce vibration and increase damping force.
Further, a second abutting portion 113 is arranged at a rod portion of the first pull rod 11 located outside the slide rail 103, the elastic assembly further includes a second elastic member 132, the second elastic member 132 is arranged on the first pull rod 11, one end of the second elastic member 132 abuts against or is connected to the second abutting portion 113, and the other end of the second elastic member 132 is connected with or abuts against an end portion of the second pull rod 12; wherein the first elastic member 131 and the second elastic member 132 are, for example, springs or other structures having the same effect as springs.
Further, the second abutting portion 113 is provided with a threaded hole (not shown), the rod portion of the first pull rod 11 is provided with an external thread, and the second abutting portion 113 is adjustably connected to the first pull rod 11 through the threaded hole and the external thread, so that the second abutting portion 113 not only serves as the second elastic member 132 to provide abutting action, but also can adjust the length of the second elastic member 132 when compressed, and thus the length of the rod body of the first pull rod 11 outside the slideway 103 is adjusted.
Further, the second abutting portion 113 includes a first nut 1131 and a second nut 1132, the first nut 1131 and the second nut 1132 are connected to the first pull rod 11 through threads, the second elastic member 132 abuts against or is connected to the first nut 1131, the first nut 1131 and the second nut 1132 not only can fix the second elastic member 132, but also can adjust the overall length of the shock absorbing pull rod 10, so that the shock absorbing pull rod 10 can realize stepless adjustment, for example, when the length of the shock absorbing pull rod 10 needs to be shortened, the first nut 1131 and the second nut 1132 are moved toward the direction close to the first connecting portion 111, the expansion amount of the second elastic member 132, that is, the length of the second elastic member 132 is increased, at this time, the magnitude of the pressure applied between the first elastic member 131 and the second elastic member 132 is unbalanced, the first elastic member 131 is extended toward the end close to the second connecting portion 121, and drives the end of the first pull rod 11 to move toward the direction close to the second connecting portion 121 at 103.
Further, the shock-absorbing pull rod 10 further includes a first gasket 141 and a second gasket 142, the first gasket 141 and the second gasket 142 are sleeved on the first pull rod 11, the first gasket 141 is disposed between the end of the second pull rod 12 and the second elastic member 132, and is used for reducing the friction force between the second elastic member 132 and the second pull rod 12 and reducing the wear of the second pull rod 12, and the second gasket 142 is disposed between the second elastic member 132 and the first nut 1131 and is used for fastening the first nut 1131 and the second elastic member 132, and reducing the wear.
Further, the slide way 103 is a slide groove arranged on the second pull rod 12, the slide groove is arranged along the length direction of the second pull rod 12, and the first elastic member 131 is arranged in the slide groove; or the slideway 103 is a cavity arranged in the second pull rod 12, the cavity is arranged along the length direction of the second pull rod 12, the cavity is of a hollow structure, the cavity is circular or rectangular, for example, and the inner diameter or width of the cavity is larger than the outer diameter of the first elastic element 131.
Second embodiment
The shock-absorbing link of this embodiment is substantially the same in structure as the shock-absorbing link of the first embodiment, except for the structure of the elastic member.
Specifically, elastic component still includes the third elastic component, and in the slide 103 was located to the third elastic component, the third elastic component set up with first elastic component 131 mutual interval, and the one end of third elastic component is connected or is supported and lean on in first support portion 112, and the other end of third elastic component is connected or is supported and lean on in the bottom that slide 103 is close to second connecting portion 121, and the multiplicable shock attenuation pull rod 10 of third elastic component buffering dynamics, the shock attenuation effect is better.
Fig. 4 is a schematic view of a part of the construction machine of the present invention, as shown in fig. 4, the present invention further relates to a construction machine, which includes a machine main body 21, a heat sink 22 and the shock-absorbing tension rod 10, wherein the heat sink 22 is fixedly connected to the machine main body 21, the first connecting portion 111 of the shock-absorbing tension rod 10 is fixedly connected to the heat sink 22, and the second connecting portion 121 of the shock-absorbing tension rod 10 is fixedly connected to the machine main body 21. In this embodiment, the construction machine is, for example, a mining excavator, the first connection hole 101 of the first connection portion 111 is fixedly connected to the heat sink 22 by a bolt, and the second connection hole 102 of the second connection portion 121 is connected to the machine main body 21 by a bolt, so that the shock-absorbing tie rod 10 can reduce the shock of the heat sink 22, reduce the impact force on the heat sink 22 due to the shock of the machine main body 21, and reduce the possibility of damage to the core of the heat sink 22.
The utility model discloses not be limited to the specific details among the above-mentioned embodiment the utility model discloses a within the technical idea scope, can be right the technical scheme of the utility model carry out multiple simple variant, these simple variants all belong to the utility model discloses a protection scope. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
Claims (10)
1. The utility model provides a shock attenuation pull rod, its characterized in that includes first pull rod (11), second pull rod (12) and elastic component, the one end of first pull rod (11) is equipped with first connecting portion (111), the other end of first pull rod (11) movably connect in second pull rod (12), second pull rod (12) are kept away from the tip of first pull rod (11) is equipped with second connecting portion (121), elastic component connect in first pull rod (11) with between second pull rod (12), elastic component includes the third elastic component, the third elastic component is located in slide (103) of second pull rod (12), first pull rod (11) are located tip in slide (103) is equipped with first portion (112) of leaning on, the one end of third elastic component connect or lean on in first portion (112) of leaning on, the other end of third elastic component connect or lean on in leaning on in slide (103) be close to the bottom of second connecting portion (121).
2. The shock-absorbing tie rod according to claim 1, characterized in that the end of the second tie rod (12) is provided with a through hole communicating with the slideway (103), through which the end of the first tie rod (11) is provided in the slideway (103).
3. The shock absorbing pull rod of claim 2, wherein the elastic assembly comprises a first elastic member (131), the first elastic member (131) is arranged in the slide way (103), one end of the first elastic member (131) is connected with or abutted against the first abutting part (112), and the other end of the first elastic member (131) is connected with or abutted against the end part of the second pull rod (12).
4. The shock-absorbing draw bar according to claim 3, wherein a second abutting portion (113) is provided on a rod portion of the first draw bar (11) located outside the slideway (103), the elastic assembly further comprises a second elastic member (132), the second elastic member (132) is provided on the first draw bar (11), one end of the second elastic member (132) is connected with or abutted against the second abutting portion (113), and the other end of the second elastic member (132) is connected with or abutted against an end of the second draw bar (12).
5. The shock absorbing tie rod according to claim 4, characterized in that the second abutment (113) is provided with a threaded hole, the rod portion of the first tie rod (11) is provided with an external thread, and the second abutment (113) is adjustably connected to the first tie rod (11) by the threaded hole cooperating with the external thread.
6. A shock absorbing stay as claimed in claim 5, characterized in that said second abutting portion (113) comprises a first nut (1131) and a second nut (1132), said first nut (1131) and said second nut (1132) being screwed to said first stay (11), said second resilient member (132) abutting or being connected to said first nut (1131).
7. A shock absorbing stay as claimed in any one of claims 3 to 6 wherein said third resilient member is spaced from said first resilient member (131).
8. The shock absorbing tie rod of claim 1, wherein the slideway (103) is a runner provided on the second tie rod (12), the runner being provided along the length of the second tie rod (12); or the slide way (103) is a cavity channel arranged in the second pull rod (12), and the cavity channel is arranged along the length direction of the second pull rod (12).
9. A shock absorbing stay as defined in claim 1, characterized in that said first connection portion (111) is provided with a first connection hole (101) and said second connection portion (121) is provided with a second connection hole (102); or the first connecting part (111) is provided with a first connecting hole (101) and a first connecting assembly matched with the first connecting hole (101), and the second connecting part (121) is provided with a second connecting hole (102) and a second connecting assembly matched with the second connecting hole (102).
10. A construction machine, characterized by comprising a machine body (21), a radiator (22) and a shock-absorbing tie rod according to any one of claims 1 to 9, the radiator (22) being fixedly connected to the machine body (21), the first connecting portion (111) of the shock-absorbing tie rod (10) being fixedly connected to the radiator (22), the second connecting portion (121) of the shock-absorbing tie rod (10) being fixedly connected to the machine body (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220881125.XU CN217926919U (en) | 2022-04-15 | 2022-04-15 | Shock attenuation pull rod and construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220881125.XU CN217926919U (en) | 2022-04-15 | 2022-04-15 | Shock attenuation pull rod and construction machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217926919U true CN217926919U (en) | 2022-11-29 |
Family
ID=84175085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220881125.XU Active CN217926919U (en) | 2022-04-15 | 2022-04-15 | Shock attenuation pull rod and construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217926919U (en) |
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2022
- 2022-04-15 CN CN202220881125.XU patent/CN217926919U/en active Active
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