CN217401530U - Frame type self-protection heavy spring buffer - Google Patents
Frame type self-protection heavy spring buffer Download PDFInfo
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- CN217401530U CN217401530U CN202220654170.1U CN202220654170U CN217401530U CN 217401530 U CN217401530 U CN 217401530U CN 202220654170 U CN202220654170 U CN 202220654170U CN 217401530 U CN217401530 U CN 217401530U
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Abstract
The utility model provides a frame type self-protection heavy spring buffer, which comprises a support frame, a middle shaft, a pressure spring and a disk spring, wherein the whole middle shaft is of a two-stage step shaft structure, and the pressure spring is sleeved at the lower end of a second step shaft and is positioned inside the support frame; the upper end surface of the pressure spring is not higher than the lower end surface of the first step shaft; the disc spring is positioned outside the lower end of the support frame and connected to the lower end face of the middle shaft through a set screw, and the outer diameter of the disc spring is larger than that of the through hole B. The utility model discloses at the terminal installation belleville spring of axis, when the unexpected load disappears suddenly, the axis gives several belleville spring with energy transfer, and the elastic deformation of butterfly bullet pad, can the huge impact force of effective absorption to the support production, very big noise abatement and impact the mechanical damage that causes the support, can effectively protect workman and mechanical equipment.
Description
Technical Field
The utility model relates to an elastic buffer specifically is a heavy spring buffer of frame self-protection.
Background
A buffer is typically provided below the guide rollers that carry the weights. When the heavy object is placed on the guide wheel, the buffer generates buffering, the guide wheel can be protected, and the service life of the guide wheel is prolonged.
When the buffer works normally, the weight presses the guide wheel, the guide wheel pushes the middle shaft to move, and the step structure of the middle shaft pushes the baffle pad to compress the spring, so that the buffer effect is achieved. When the weight is lifted, the pressure spring pushes the middle shaft to move through the blocking cushion, the middle shaft pushes the guide wheel to the initial position through the pin shaft, the process that the weight leaves is slow, the acting force released by the pressure spring is slow, and the anti-falling structure at the tail end of the middle shaft cannot impact the support.
However, when the heavy object accidentally slips out of the guide wheel, the load suddenly disappears, and the blocking pad violently transmits a huge acting force to the middle shaft under the huge reverse acting force of the pressure spring, so that the anti-disengaging structure at the tail end of the middle shaft generates a huge impact force on the support, and huge noise and mechanical damage are easily generated.
SUMMERY OF THE UTILITY MODEL
To the problem that exists in the background art, the utility model aims at providing a heavy spring buffer of frame self-protection, through improving centraxonial mounting structure to at the terminal installation belleville spring of axis, when unexpected load disappears suddenly, the axis gives several belleville spring with energy transfer, and the elastic deformation of butterfly bullet pad, can the effective absorption huge impact force to the support production, very big noise abatement and impact the mechanical damage that causes the support, can effectively protect workman and mechanical equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a frame type self-protection heavy spring buffer comprises a support frame, a middle shaft, a pressure spring and a disc spring, wherein the support frame is integrally of a rectangular frame structure, a through hole A is formed in the upper end frame of the support frame, and a through hole B is formed in the lower end frame of the support frame;
the whole middle shaft is of a two-stage step shaft structure, the upper end of the middle shaft is a first step shaft, the lower end of the middle shaft is a second step shaft, the diameter of the first step shaft is larger than that of the second step shaft, the first step shaft penetrates through a through hole A of a frame at the upper end of the support frame, and the second step shaft penetrates through a through hole B of a frame at the lower end of the support frame; an axial threaded hole is formed in the lower end face of the second step shaft;
the compression spring is sleeved at the lower end of the second step shaft and is positioned in the support frame; the upper end surface of the pressure spring is not higher than the lower end surface of the first step shaft;
the disc spring is positioned outside the lower end of the support frame and connected to the lower end face of the middle shaft through a set screw, and the outer diameter of the disc spring is larger than that of the through hole B.
The upper end face of the first step shaft is provided with double lug plates, and a guide wheel with an axis vertical to the axis of the middle shaft is arranged between the double lug plates.
A guide groove is formed in the side surface of the first step shaft; the upper orifice of the through hole A is provided with a guide sleeve, the guide sleeve is fixedly connected with the support frame, and the first step shaft is arranged in the guide sleeve in a sliding manner; and a threaded through hole is formed in the outer side of the guide sleeve, and a guide screw rod is arranged in the threaded through hole and matched with the guide groove.
The upper end of the side surface of the first step shaft is provided with an annular boss, and the guide groove is positioned below the annular boss.
The number of the disc springs is multiple, and the disc springs are coaxially sleeved on the fastening screws.
The utility model has the advantages that: the utility model discloses at the terminal installation belleville spring of axis, when the unexpected load disappears suddenly, the axis gives several belleville spring with energy transfer, and the elastic deformation of butterfly bullet pad, can the huge impact force of effective absorption to the support production, very big noise abatement and impact the mechanical damage that causes the support, can effectively protect workman and mechanical equipment.
Drawings
Fig. 1 is a front view of the overall structure of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a sectional view taken along line a-a of fig. 1.
Fig. 4 is a front view of the stand frame.
Fig. 5 is a left side view of the bottom bracket.
In the figure: 1. the support comprises a support frame, 2, a middle shaft, 3, a pressure spring, 4, a disc spring, 5, a set screw, 6, a guide wheel, 7, a blocking pad, 11, through holes A, 12, through holes B, 13, a guide sleeve, 14, a threaded through hole, 15, a guide screw, 21, a first step shaft, 22, a second step shaft, 23, a threaded hole, 24, a double lug plate, 25, a guide groove, 26 and an annular boss.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 5, a frame-type self-protection heavy spring buffer comprises a support frame 1, a middle shaft 2, a pressure spring 3 and a disk spring 4, wherein the support frame 1 is integrally of a rectangular frame structure, the upper end frame of the support frame is provided with a through hole a11, and the lower end frame of the support frame is provided with a through hole B12; the whole middle shaft 2 is of a two-stage step shaft structure, the upper end of the middle shaft is provided with a first step shaft 21, the lower end of the middle shaft is provided with a second step shaft 22, the diameter of the first step shaft 21 is larger than that of the second step shaft 22, the first step shaft 21 is arranged in a through hole A11 of the frame at the upper end of the support frame 1 in a penetrating manner, and the second step shaft 22 is arranged in a through hole B12 of the frame at the lower end of the support frame 1 in a penetrating manner; an axial threaded hole 23 is formed in the lower end face of the second step shaft 22; the pressure spring 3 is sleeved at the lower end of the second step shaft 22 and is positioned in the support frame 1; the upper end surface of the pressure spring 3 is not higher than the lower end surface of the first step shaft 21; the disc spring 4 is positioned outside the lower end of the support frame 1 and connected to the lower end face of the middle shaft 2 through a set screw 5, and the outer diameter of the disc spring 4 is larger than the diameter of the through hole B12.
The upper end surface of the first step shaft 21 is provided with double lug plates 24, and a guide wheel 6 with the axis vertical to the axis of the middle shaft 2 is arranged between the double lug plates 24.
The side surface of the first step shaft 21 is provided with a guide groove 25, the upper orifice of the through hole A11 is provided with a guide sleeve 13, the guide sleeve 13 is fixedly connected with the support frame 1, and the first step shaft 21 is arranged in the guide sleeve 13 in a sliding manner; a threaded through hole 14 is formed in the outer side of the guide sleeve 13, a guide screw 15 is arranged in the threaded through hole 14, and the guide screw 15 is matched with the guide groove 25. Specifically, the guide screw 15 is perpendicular to the guide groove 25, the tail end of the side surface of the guide screw 15 is a polished rod, the middle shaft moves up and down, the guide screw 15 is fixed, and the guide groove 25 slides at the tail end of the guide screw 15; the function of the anti-rotation middle shaft is to prevent the middle shaft 2 from rotating when loading and stressing, and avoid the accident of stress direction change.
The upper end of the side surface of the first step shaft 21 is provided with an annular boss 26, and the guide groove 25 is positioned below the annular boss 26.
The number of the disc springs 4 is multiple, and the disc springs 4 are coaxially sleeved on the set screw 5.
The upper part of the second step shaft 22 is sleeved with a baffle pad 7, and the baffle pad 7 is positioned between the pressure spring 3 and the lower end face of the first step shaft 21.
The utility model discloses a difference with prior art lies in, the axis 2 of buffer has run through support frame 1 to disk spring 4 is installed at axis 2's end, consequently, there are two buffer regions in the buffer among this technical scheme, pressure spring part and disk spring part promptly, two parts effect scope is different, the function is also different, the effect of pressure spring part is the buffering to the load under the operating condition, the effect of the terminal disk spring part of axis is when the unexpected disappearance of load, play the buffering between terminal anti-disengaging structure of axis and the support.
In an embodiment of the utility model, support frame 1 is by the channel-section steel welding, and the diameter of support frame 1 upper end through-hole A11 is greater than the diameter of lower extreme through-hole B12, and through-hole A11's upper portion drill way outer welding uide bushing 13, a side processing of uide bushing 13 are the plane, and threaded through-hole 14 is located on the plane and perpendicular to uide bushing central line.
The utility model discloses an assembly method: the lower end of the middle shaft 2 sequentially penetrates through the guide sleeve 13, the through hole A11, the baffle pad 7 and the pressure spring 3, penetrates out of the through hole B12, the middle shaft 2 is rotated to enable the guide groove 25 to be aligned with the thread through hole 14 of the guide sleeve 13, the middle shaft is arranged in the guide screw rod 15, the tail end of the guide screw rod extends into the guide groove 25 of the middle shaft 2, but the axial movement of the middle shaft 2 cannot be influenced, and the guide screw rod 15 is tightened by a nut; a set screw 5 is arranged in a threaded hole 23 at the lower end of the middle shaft 2, a plurality of disc springs 4, a pressure pad and an elastic pad are arranged on the set screw 5 in advance, and then a nut is used for tightly fixing the set screw 5; the guide wheel 6 is fitted into the binaural board 24 of the center shaft 2.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
The part of the utility model not detailed is prior art.
Claims (6)
1. The utility model provides a heavy spring buffer of frame self-protection, includes support frame (1), axis (2), pressure spring (3) and belleville spring (4), characterized by: the whole bracket frame (1) is of a rectangular frame structure, the upper end frame of the bracket frame is provided with a through hole A (11), and the lower end frame of the bracket frame is provided with a through hole B (12);
the whole middle shaft (2) is of a two-stage step shaft structure, the upper end of the middle shaft is provided with a first step shaft (21), the lower end of the middle shaft is provided with a second step shaft (22), the diameter of the first step shaft (21) is larger than that of the second step shaft (22), the first step shaft (21) penetrates through a through hole A (11) of a frame at the upper end of the support frame (1), and the second step shaft (22) penetrates through a through hole B (12) of a frame at the lower end of the support frame (1); an axial threaded hole (23) is formed in the lower end face of the second step shaft (22);
the pressure spring (3) is sleeved at the lower end of the second step shaft (22) and is positioned in the support frame (1); the upper end surface of the pressure spring (3) is not higher than the lower end surface of the first step shaft (21);
the disc spring (4) is located outside the lower end of the support frame (1) and connected to the lower end face of the middle shaft (2) through a set screw (5), and the outer diameter of the disc spring (4) is larger than the diameter of the through hole B (12).
2. A frame-type self-protecting heavy spring buffer as defined in claim 1, wherein: the upper end face of the first step shaft (21) is provided with double lug plates (24), and a guide wheel (6) with an axis vertical to the axis of the middle shaft (2) is arranged between the double lug plates (24).
3. A frame-type self-protecting heavy spring buffer as defined in claim 1, wherein: a guide groove (25) is formed in the side face of the first step shaft (21), a guide sleeve (13) is arranged on an upper hole of the through hole A (11), the guide sleeve (13) is fixedly connected with the support frame (1), and the first step shaft (21) is arranged in the guide sleeve (13) in a sliding mode; the outer side of the guide sleeve (13) is provided with a thread through hole (14), a guide screw rod (15) is arranged in the thread through hole (14), and the guide screw rod (15) is matched with the guide groove (25).
4. A frame-type self-protecting heavy spring buffer as defined in claim 3, wherein: the upper end of the side surface of the first step shaft (21) is provided with an annular boss (26), and the guide groove (25) is positioned below the annular boss (26).
5. A frame-type self-protecting heavy spring buffer as defined in claim 1, wherein: the number of the disc springs (4) is multiple, and the disc springs (4) are coaxially sleeved on the set screw (5).
6. A frame-type self-protecting heavy spring buffer as defined in claim 1, wherein: the upper portion of the second step shaft (22) is sleeved with a blocking pad (7), and the blocking pad (7) is located between the pressure spring (3) and the lower end face of the first step shaft (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220654170.1U CN217401530U (en) | 2022-03-24 | 2022-03-24 | Frame type self-protection heavy spring buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220654170.1U CN217401530U (en) | 2022-03-24 | 2022-03-24 | Frame type self-protection heavy spring buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217401530U true CN217401530U (en) | 2022-09-09 |
Family
ID=83138778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220654170.1U Active CN217401530U (en) | 2022-03-24 | 2022-03-24 | Frame type self-protection heavy spring buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217401530U (en) |
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2022
- 2022-03-24 CN CN202220654170.1U patent/CN217401530U/en active Active
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