CN220845492U - Crane tube spring cylinder adjusting structure - Google Patents
Crane tube spring cylinder adjusting structure Download PDFInfo
- Publication number
- CN220845492U CN220845492U CN202322810098.4U CN202322810098U CN220845492U CN 220845492 U CN220845492 U CN 220845492U CN 202322810098 U CN202322810098 U CN 202322810098U CN 220845492 U CN220845492 U CN 220845492U
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- spring
- screw rod
- nut
- tube
- spring plate
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- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a crane tube spring cylinder adjusting structure, which comprises a spring tube, wherein a screw rod is arranged in the spring tube, and a spring is sleeved on the screw rod; one end of the spring tube is fixed with a first spring plate, one end of the screw rod extends out of the first spring plate, and the extending end of the screw rod is fixed on the crane tube through a fixing pin; the clamping groove is clamped and fixed on the extending end of the screw rod and used for locking and fixing the screw rod; the second spring plate is fixed on the nut, the axial direction of the nut is perpendicular to the second spring plate, and the nut and the second spring plate are in threaded connection with the screw rod; one end of the spring is abutted against the first spring plate, and the other end of the spring is abutted against the second spring plate; and one end of the adjusting pipe is matched with the nut, and the nut is rotated through the rotation of the adjusting pipe, so that the spring is stretched. The crane tube spring cylinder adjusting structure can conveniently, quickly, safely and efficiently realize adjustment of the crane tube spring cylinder.
Description
Technical Field
The utility model relates to the technical field of oil filling riser spring cylinder adjustment, in particular to an oil filling riser spring cylinder adjustment structure.
Background
In the prior art, the spring cylinder needs to be disassembled in the process of maintaining and adjusting the oil filling riser spring cylinder, two persons are required to work cooperatively to loosen and disassemble the fixed bolt of the spring cylinder base, one person uses the stress application bar or the pry bar to prop against the spring bar to prevent the spring cylinder from being ejected, the other person slowly loosens the pry bar or the stress application bar together with the former person until the spring cylinder is completely sent out after the fixed bolt of the spring cylinder base is disassembled, and the elasticity is reduced to the minimum. And then the tightening nut of the spring cylinder is loosened or tightened by a spanner to adjust the elasticity of the spring cylinder, thereby achieving the adjustment of the descending or lifting force of the crane tube. And then the spring rod is stretched to the base position, the fixing bolt is inserted and fixed well, and the adjustment work is finished.
The elastic force adjustment process of the oil filling riser spring cylinder is time-consuming and labor-consuming, and has low safety.
Disclosure of Invention
The utility model aims to provide a crane tube spring cylinder adjusting structure which can conveniently, quickly, safely and efficiently adjust a crane tube spring cylinder.
Therefore, the utility model provides a crane tube spring cylinder adjusting structure, which comprises a spring tube, wherein a screw rod is arranged in the spring tube, and a spring is sleeved on the screw rod; one end of the screw rod extends out of the first spring plate, and the extending end of the screw rod is fixed on the crane pipe through a fixing pin; the clamping groove is clamped and fixed at the extending end of the screw rod and used for locking and fixing the screw rod; the nut is fixedly provided with a second spring plate, the axial direction of the nut is perpendicular to the second spring plate, and the nut and the second spring plate are in threaded connection with the screw rod; one end of the spring is in contact with the first spring plate, and the other end of the spring is in contact with the second spring plate; and one end of the adjusting pipe is matched with the nut, and the nut is rotated through the rotation of the adjusting pipe, so that the spring stretches and contracts.
Preferably, a handle is arranged at the other end of the adjusting tube.
Preferably, the section of the adjusting pipe is hexagonal, and the nut is matched in the adjusting pipe.
Preferably, the diameter of the second spring plate is smaller than the inner diameter of the spring tube.
Preferably, the first spring plate is perpendicular to the axial direction of the spring tube, a through hole is formed in the first spring plate, one end of the screw rod extends out of the through hole, and the diameter of the screw rod is smaller than the aperture of the through hole.
Preferably, the clamping groove is a U-shaped clamping groove, a locking bolt is connected to the clamping groove, and the length of the clamping groove is equal to the distance between the fixing pin and the first spring plate; the screw rod is matched in the clamping groove, and the locking bolt is used for locking and fixing the screw rod in the clamping groove.
Compared with the prior art, the utility model has the advantages and positive effects that: the utility model provides a crane tube spring cylinder adjusting structure which comprises a spring tube, wherein a screw rod is arranged in the spring tube, and a spring is sleeved on the screw rod; one end of the screw rod extends out of the first spring plate, and the extending end of the screw rod is fixed on the crane pipe through a fixing pin; the clamping groove is clamped and fixed at the extending end of the screw rod and used for locking and fixing the screw rod; the nut is fixedly provided with a second spring plate, the axial direction of the nut is perpendicular to the second spring plate, and the nut and the second spring plate are in threaded connection with the screw rod; one end of the spring is in contact with the first spring plate, and the other end of the spring is in contact with the second spring plate; and one end of the adjusting pipe is matched with the nut, and the nut is rotated through the rotation of the adjusting pipe, so that the spring stretches and contracts. The crane tube spring cylinder adjusting structure can conveniently, quickly, safely and efficiently realize adjustment of the crane tube spring cylinder. The crane tube spring cylinder adjusting structure can adjust the elasticity of the crane tube spring cylinder without disassembling the spring cylinder, so as to realize the adjustment of the spring cylinder and ensure that the spring cylinder maintains balance.
Other features and advantages of the present utility model will become more apparent upon reading the detailed description of the utility model taken in conjunction with the accompanying drawings
It is clear.
Drawings
FIG. 1 is a schematic view of an embodiment of a spring cylinder adjustment structure for a crane tube according to the utility model;
FIG. 2 is a schematic view of a portion of one embodiment of a spring cylinder adjustment structure for a crane arm according to the utility model;
FIG. 3 is a schematic diagram of an embodiment of a clamping groove of a spring cylinder adjustment structure of a loading arm according to the present utility model.
Description of the embodiments
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-3, the crane tube spring cylinder adjusting structure comprises a spring tube 10, wherein a screw rod 20 is arranged in the spring tube 10, and a spring 21 is sleeved on the screw rod 20; a first spring plate 11 is fixed at one end of the spring tube 10, one end of a screw rod 20 extends out of the first spring plate 11, and the extending end of the screw rod 20 is fixed on the crane tube through a fixing pin 21; the clamping groove 30 is clamped and fixed on the extending end of the screw 11, and the clamping groove 30 is used for locking and fixing the screw 20; the nut 40, the second spring plate 41 is fixed on the nut 40, the axial direction of the nut 40 is perpendicular to the second spring plate 41, the nut 40 and the second spring plate 41 are connected to the screw 20 in a threaded manner, one end of the spring 21 is in contact with the first spring plate 11, and the other end is in contact with the second spring plate 41; and an adjusting tube 50, wherein one end of the adjusting tube 50 is matched with the nut 40, and the nut 40 is rotated by the rotation of the adjusting tube 50, so that the spring 21 is stretched.
The crane tube spring cylinder adjusting structure can conveniently, quickly, safely and efficiently realize adjustment of the crane tube spring cylinder. The crane tube spring cylinder adjusting structure can adjust the elasticity of the crane tube spring cylinder without disassembling the spring cylinder, so as to realize the adjustment of the spring cylinder and ensure that the spring cylinder maintains balance.
During adjustment, the adjusting tube 50 is rotated to drive the nut 40 to rotate, so that the expansion and contraction of the spring 21 can be realized, and the elasticity of the spring 21 can be adjusted, so that the elasticity of the crane tube spring cylinder can be adjusted, and the crane tube spring cylinder can be balanced. The clamping groove 30 is used for locking and fixing the screw rod 20, so that the screw rod 20 can be prevented from being ejected out in the expansion process of the spring 21, and the safety and the efficiency are high.
The other end of the adjusting tube 50 is provided with a handle 51, and the adjusting tube 50 can be rotated conveniently by holding the handle 51. The handle 51 is vertically fixed to the other end of the adjustment tube 50 by welding or other means commonly used in the art, and is not particularly limited herein.
The section of the adjusting tube 50 is hexagonal, the nut 40 is fitted in the adjusting tube 50, and the nut 40 can be driven to rotate by rotating the adjusting tube 50.
The second spring plate 41 may be welded or otherwise secured to the nut 40, without limitation.
The second spring plate 41 is provided with a screw hole (not shown in the drawings), and the screw hole of the second spring plate 41 is penetrated corresponding to the screw hole of the nut 40. By rotation of the nut 40, the second spring plate 41 is driven to rotate along the screw 20.
The diameter of the second spring plate 41 is smaller than the inner diameter of the spring tube 10, so that friction between the second spring plate 41 and the inner wall of the spring tube 10 can be avoided, and the second spring plate 41 can be rotated along the screw 20.
The first spring plate 11 is perpendicular to the axial direction of the spring tube 10, a through hole (not shown in the figure) is provided in the first spring plate 11, one end of the screw 20 protrudes out of the through hole, and the diameter of the screw 20 is smaller than the aperture of the through hole.
The first spring plate 11 and the second spring plate 41 are provided with protruding circular limiting plates, and the diameter of each circular limiting plate is smaller than the inner diameter of the spring 21; the both ends of spring 21 are inconsistent with first spring board 11 and second spring board 41 respectively, and the circular limiting plate on first spring board 11 and the second spring board 41 inserts respectively and establishes at the both ends of spring 21, can play the limiting displacement to spring 21 for spring 21 can stabilize effectual conflict between first spring board 11 and second spring board 41, avoids spring 21 to shift crookedly in the flexible in-process.
As shown in fig. 1, the right end of the spring 21 is fixed to the second spring plate 41 in a manner commonly used in the art, and is not particularly limited herein. Thereby ensuring that the nut 40 moves left and right along the screw rod 20 and simultaneously drives the spring 21 to stretch.
The clamping groove 30 is a U-shaped clamping groove, the clamping groove 30 is connected with a locking bolt 31, and the length of the clamping groove 30 is equal to the distance L between the fixing pin 22 and the first spring plate 11; the screw 20 is fitted in the catching groove 30, and the locking bolt 31 is used to lock and fix the screw 20 in the catching groove 30, and the screw 20 does not rotate and slide.
The width M of the clamping groove 30 is equal to the diameter of the screw rod 20, so that the screw rod 20 can be firmly and reliably clamped in the clamping groove 30, and the locking and fixing strength of the screw rod 20 is enhanced.
The distance H between the locking bolt 31 and the bottom of the clamping groove 30 is equal to the diameter of the screw rod 20, so that the screw rod 20 can be firmly and reliably clamped in the clamping groove 30, and the locking and fixing strength of the screw rod 20 is enhanced.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (6)
1. A crane tube spring cylinder adjusting structure is characterized by comprising
The spring tube is internally provided with a screw rod, and the screw rod is sleeved with a spring;
one end of the screw rod extends out of the first spring plate, and the extending end of the screw rod is fixed on the crane pipe through a fixing pin;
The clamping groove is clamped and fixed at the extending end of the screw rod and used for locking and fixing the screw rod;
The nut is fixedly provided with a second spring plate, the axial direction of the nut is perpendicular to the second spring plate, and the nut and the second spring plate are in threaded connection with the screw rod;
One end of the spring is in contact with the first spring plate, and the other end of the spring is in contact with the second spring plate;
and one end of the adjusting pipe is matched with the nut, and the nut is rotated through the rotation of the adjusting pipe, so that the spring stretches and contracts.
2. The arm spring cylinder adjustment mechanism of claim 1,
The other end of the adjusting pipe is provided with a handle.
3. The arm spring cylinder adjustment mechanism of claim 1,
The section of the adjusting pipe is hexagonal, and the nut is matched in the adjusting pipe.
4. The arm spring cylinder adjustment mechanism of claim 1,
The diameter of the second spring plate is smaller than the inner diameter of the spring tube.
5. The arm spring cylinder adjustment mechanism of claim 1,
The first spring plate is perpendicular to the axial direction of the spring tube, a through hole is formed in the first spring plate, one end of the screw rod extends out of the through hole, and the diameter of the screw rod is smaller than the aperture of the through hole.
6. The arm spring cylinder adjustment mechanism of claim 1,
The clamping groove is a U-shaped clamping groove, a locking bolt is connected to the clamping groove, and the length of the clamping groove is equal to the distance between the fixing pin and the first spring plate;
The screw rod is matched in the clamping groove, and the locking bolt is used for locking and fixing the screw rod in the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322810098.4U CN220845492U (en) | 2023-10-19 | 2023-10-19 | Crane tube spring cylinder adjusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322810098.4U CN220845492U (en) | 2023-10-19 | 2023-10-19 | Crane tube spring cylinder adjusting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220845492U true CN220845492U (en) | 2024-04-26 |
Family
ID=90772422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322810098.4U Active CN220845492U (en) | 2023-10-19 | 2023-10-19 | Crane tube spring cylinder adjusting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220845492U (en) |
-
2023
- 2023-10-19 CN CN202322810098.4U patent/CN220845492U/en active Active
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