CN220805028U - Automatic round supporting mechanism for pressure steel pipe - Google Patents
Automatic round supporting mechanism for pressure steel pipe Download PDFInfo
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- CN220805028U CN220805028U CN202322551968.0U CN202322551968U CN220805028U CN 220805028 U CN220805028 U CN 220805028U CN 202322551968 U CN202322551968 U CN 202322551968U CN 220805028 U CN220805028 U CN 220805028U
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- rod
- supporting
- round
- supporting seat
- steel pipe
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 42
- 239000010959 steel Substances 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 230000000712 assembly Effects 0.000 claims abstract description 22
- 238000000429 assembly Methods 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses an automatic rounding mechanism for a pressure steel pipe. The circular support comprises a plurality of circular support frames which are formed by circular support rod assemblies arranged in the radial direction, wherein the circular support frames are connected through a connecting beam in the center of the circular structure; each set of circle supporting bracket is composed of at least eight groups of circle supporting rod assemblies which are radially and symmetrically arranged, the center ends of the circle supporting rod assemblies are fixed, and the assemblies are fixedly connected through an adjustable screw rod connecting device; each group of round supporting rod assembly comprises a jacking pressing block, a pressure sensor, a telescopic rod, a guide rod and a supporting seat, and a hydraulic cylinder and the pressure sensor are connected with a controller in a control manner. The utility model is provided with the pressure sensor, so that the utility model is more intelligent; the rear end of the telescopic rod is provided with a ball head connecting groove and other connecting structures of a ball cavity structure, so that the stability of driving of the oil cylinder can be guaranteed, the ball head can be rotated to reduce blocking resistance, the stability of the circle supporting mechanism is further enhanced through connection of the connecting lug seats, and the circle supporting operation is more accurate and reliable.
Description
Technical Field
The utility model belongs to the technical field of hydropower station pressure steel pipe installation, relates to a design technology of hydropower station pressure steel pipe machining operation equipment, and particularly relates to an automatic rounding mechanism for pressure steel pipes.
Background
The pressure steel pipe is an important component of a hydraulic building of a hydropower station, and in the process of processing the pressure steel pipe, an important process link is rounding of the pressure steel pipe. The pressure steel pipe is usually formed by welding and combining steel pipe tiles, and the final roundness meeting the requirement in the process of rounding the steel pipe tiles is required to be ensured according to the process requirements. When the pressure steel pipe sections are combined, the circular connection is carried out after the pressure steel pipe sections are transported in the tunnel, the coaxiality of the two steel pipes is ensured during connection, and meanwhile, the staggered edges of the steel pipes are reduced according to the process requirements, so that the installation requirements of the steel pipe group pairs are met.
The traditional processing method of the pressure steel pipe comprises the following steps: firstly, repeatedly calibrating the circle by a plate bending machine, and then turning the cylinder, but the method has the disadvantages of complex circle supporting process and high manufacturing cost.
In actual processing, no matter the steel pipe is repeatedly rounded through a veneer reeling machine or machined by adopting a processing means, the corresponding deformation is caused by the large diameter and the large weight of the steel pipe, so that the roundness of the steel pipe is difficult to ensure, the time and the labor are wasted, and the corresponding manufacturing cost is also increased.
The traditional internal support type comprises a mode of supporting circles by a screw rod, the mode adopts the screw rod to adjust circles and plays a role in supporting and reinforcing, the design and processing requirements of the screw rod are high in precision, and in the use process, when a thicker steel plate is encountered, the screw rod is difficult to manually adjust and the circle adjusting effect is poor.
Disclosure of Invention
The utility model discloses an automatic rounding mechanism for a pressure steel pipe. The utility model aims to overcome the defects of the prior art, and provides a large-diameter steel pipe rounding device which can conveniently change the position of a rounding mechanism to round different positions of a steel pipe and can automatically control rounding operation.
The utility model is realized by the following technical scheme:
An automatic round supporting mechanism of a pressure steel pipe is characterized in that: the device comprises a plurality of sets of round supporting supports which are formed by round supporting rod assemblies arranged in the radial direction, wherein the round supporting supports of adjacent round structures are connected through a connecting beam in the center of the round structures; the round supporting bracket of each set of wheel-shaped structure is composed of at least eight groups of round supporting rod assemblies which are radially and symmetrically arranged, the center ends of the adjacent round supporting rods are fixed, and the adjacent round supporting rod assemblies are connected and fixed through an adjustable screw rod connecting device;
Each group of round supporting rod assembly comprises a jacking pressing block, a pressure sensor, a telescopic rod, a guide rod and a supporting seat; the top pressure increasing block is used for propping the wall of the steel pipe to realize the rounding operation, the rear end of the top pressure increasing block is provided with a pressure sensor, the front end of the telescopic rod is fixed with the pressure sensor, the rear end of the telescopic rod is connected with the piston ball head connecting rod in a driving way and slides in a telescopic way in a guide rod of a cylindrical structure, the rear end of the guide rod is connected with a supporting seat through a flange, the supporting seat is of a cylindrical structure, a hydraulic cylinder is fixedly arranged in the supporting seat, and the rear end of the supporting seat is fixed in the middle of the rounding bracket wheel-shaped structure;
each hydraulic cylinder and each pressure sensor are connected with the controller in a control way.
According to the utility model, the outer walls of the supporting seats are symmetrically provided with two connecting lug seats along the center, the connecting lug seats are sleeved with the middle connecting sleeve rod, and the connecting lug seats between the adjacent round supporting rod assemblies are connected with the middle connecting sleeve rod through the middle connecting screw rod capable of being screwed and connected in an adjustable mode.
The rear end of the telescopic rod is provided with a ball head connecting groove with a round ball cavity structure, and a ball head of the head part of the piston ball head connecting rod is in driving connection in the ball head connecting groove.
The center of the round supporting bracket of the wheel-shaped structure is provided with two connecting plates which are arranged in parallel, a supporting seat plate is welded between the two connecting plates according to the number of the round supporting rod assemblies, and the supporting seat plate is fixedly connected with a flange at the bottom of the supporting seat through bolts.
The top surface of the top pressure increasing block is of a cambered surface structure.
The utility model has the following advantages: the automatic round supporting mechanism for the pressure steel pipe is provided with the pressure sensor at the rear end of the jacking pressing block, so that the pressure of the round supporting mechanism to the pressure steel pipe can be detected in real time, the jacking amount can be accurately controlled through digital display, and the intellectualization of round supporting of the pressure steel pipe is realized; the rear end of the telescopic rod is provided with the ball head connecting groove with the ball cavity structure, and the ball head of the piston ball head connecting rod is in driving connection in the ball head connecting groove; the adjacent circle supporting rod assemblies are connected through the connecting lugs, so that the stability of the circle supporting mechanism is further enhanced, and the circle supporting operation is more accurate and reliable. The automatic rounding mechanism for the pressure steel pipe is simple and convenient to operate, and the rounding data are reflected more intuitively in a digital display mode of the sensor, so that the rounding quality and efficiency of the pressure steel pipe are improved.
Drawings
FIG. 1 is a schematic diagram of a circle supporting bracket and a steel pipe circle supporting state according to an embodiment of the utility model;
FIG. 2 is a schematic view of a rounded support bar assembly according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a rounded support bar assembly according to the present utility model;
FIG. 4 is a schematic illustration of the coupling structure of the rounded support bar assembly of the present utility model;
Fig. 5 is a schematic structural diagram of a connection plate and a supporting seat plate according to an embodiment of the present utility model.
In the figure, 1 is a rounding support rod assembly, 2 is an intermediate connecting sleeve rod, 3 is an intermediate connecting screw rod, 4 is a connecting plate, 1.1 is a jacking block, 1.2 is a pressure sensor, 1.3 is a telescopic rod, 1.4 is a guide rod, 1.5 is a connecting lug seat, 1.6 is a supporting seat, 1.7 is a piston ball connecting rod, 1.8 is a ball connecting groove, 1.9 is a hydraulic cylinder, and 4.1 is a supporting seat plate.
Detailed Description
The present invention will be further described with reference to the following specific embodiments, which are intended to be illustrative of the principles of the present invention and not in any way limiting, nor will the same or similar techniques be used in connection with the present invention beyond the scope of the present invention.
In combination with the accompanying drawings.
As shown in the figure, the automatic round support for the pressure steel pipe comprises: the round supporting rod assembly 1 is connected with the sleeve rod 2 in the middle, the screw rod 3 in the middle and the connecting plate 4.
The circular support rod assemblies 1 are symmetrically arranged along the circumference of the circular support, at least four pairs of circular support rod assemblies 1 which are arranged in eight groups in the radial direction are respectively arranged uniformly along the circumference of the circular support, each pair of circular support rod assemblies 1 are symmetrically arranged in the center, and the tail part of each circular support rod assembly 1 is radially and fixedly connected to a connecting plate to form a circular support of a wheel-shaped structure. The hydraulic cylinder 1.9 is arranged in the rounding support rod assembly 1, so that the rounding effect can be automatically adjusted according to the rounding condition of the hydraulic cylinder displayed by the pressure of the pressure sensor 1.2 arranged at the front end.
The intermediate connection loop bar 2 is used in pairs and matched with the intermediate connection screw rod 3, the intermediate connection loop bar 2 is connected with the connecting lug seat 1.5 on the round supporting rod assembly 1 through a pin shaft, the intermediate connection loop bar 2 is provided with an internal thread and matched with the intermediate connection screw rod 3 for use, the distance between the intermediate connection loop bars 2 used in pairs can be conveniently adjusted, and the two adjacent round supporting rod assemblies 1 are connected together to play a reinforcing role. The distance between the middle connecting sleeve rods 2 can be adjusted through the middle connecting screw rods 3, so that the distance between the adjacent circular supporting rod assemblies 1 can be adjusted, and the uniform installation distance is ensured.
The connecting plate 4 is arranged at the center of the circular support and is a central support structure body of the circular support rod assembly 1, so that the whole circular support mechanism is convenient to fix and the round adjustment of the pressure steel pipe is convenient. A supporting seat plate 4.1 is welded between the two connecting plates 4 according to the number of the arranged round supporting rod assemblies, and the supporting seat plate 4.1 is fixedly connected with the bottom flange of the supporting seat 1.6 through bolts; according to the axial length of the pressure steel pipe, two groups or even a plurality of groups of circular ring-shaped circular supporting brackets can be combined in parallel, and when the plurality of groups of circular ring-shaped circular supporting brackets are connected in parallel, the adjacent connecting plates 4 are connected through the central rod to form the pressure steel pipe.
Each circle supporting rod component 1 consists of a top pressure increasing block 1.1, a pressure sensor 1.2, a telescopic rod 1.3, a guide rod 1.4, a connecting lug seat 1.5, a supporting seat 1.6, a ball head connecting groove 1.8 and a hydraulic oil cylinder 1.9. Wherein: the rear end of the top pressure increasing block 1.1 is connected with a pressure sensor 1.2 through a bolt; the rear end of the pressure sensor 1.2 is connected with the telescopic rod 1.3 through a bolt; the tail of the telescopic rod 1.3 is provided with a ball joint connecting groove 1.8, the head of a ball joint piston connecting rod 1.7 of a hydraulic cylinder 1.9 is manufactured into a ball joint, and the ball joint piston connecting rod is locked in the ball joint connecting groove 1.8 through bolts for clamping plates, so that the telescopic rod can rotate at any angle and the clamping resistance is reduced.
The telescopic rod 1.3 and the hydraulic cylinder component 1.9 can perform telescopic movement in the guide rod 1.4 after being connected through the ball head piston connecting piece 1.7;
Copper blocks are arranged in the guide rod 1.4, so that friction force is reduced, and meanwhile, the service lives of the guide rods can be prolonged; the guide rod 1.4 and the supporting seat 1.6 are fixed through the flange and the bolts, so that the hydraulic oil cylinder assembly 1.9 is convenient to install and overhaul.
The support seats 1.6 are symmetrically provided with the connecting lug seats 1.5, and the support rods 1.6 of the adjacent round support rod assemblies 1 are connected through the connecting lug seats 1.5, so that the strength and stability of the whole structure are improved.
The supporting rod assembly 1 can enable the telescopic rod 1.3 to do telescopic motion in the guide rod 1.4 through the action of the hydraulic oil cylinder component 1.9, the pressure of the jacking pressing block 1.1 on the pressure steel pipe G is detected through the pressure detection action of the pressure sensor 1.2, the roundness of the pressure steel pipe G is accurately regulated by the adjusting and rounding mechanism, and the telescopic motion of the hydraulic oil cylinder component 1.9 can meet the jacking and rounding of the steel pipes G with different diameters.
Claims (5)
1. An automatic round supporting mechanism of a pressure steel pipe is characterized in that: the device comprises a plurality of sets of round supporting supports which are formed by round supporting rod assemblies arranged in the radial direction, wherein the round supporting supports of adjacent round structures are connected through a connecting beam in the center of the round structures; the round supporting bracket of each set of wheel-shaped structure is composed of at least eight sets of round supporting rod assemblies which are radially and symmetrically arranged, the center end of each round supporting rod assembly is fixed, and adjacent round supporting rod assemblies are connected and fixed through an adjustable screw rod connecting device;
Each group of round supporting rod assembly comprises a jacking pressing block, a pressure sensor, a telescopic rod, a guide rod and a supporting seat; the top pressure increasing block is used for propping the wall of the steel pipe to realize the rounding operation, the rear end of the top pressure increasing block is provided with a pressure sensor, the front end of the telescopic rod is fixed with the pressure sensor, the rear end of the telescopic rod is connected with the piston ball head connecting rod in a driving way and slides in a telescopic way in a guide rod of a cylindrical structure, the rear end of the guide rod is connected with a supporting seat through a flange, the supporting seat is of a cylindrical structure, a hydraulic cylinder is fixedly arranged in the supporting seat, and the rear end of the supporting seat is fixed in the middle of the rounding bracket wheel-shaped structure;
each hydraulic cylinder and each pressure sensor are connected with the controller in a control way.
2. An automatic rounding mechanism for penstock according to claim 1, wherein: the outer wall of each supporting seat is symmetrically provided with two connecting lug seats along the center, each connecting lug seat is sleeved with a middle connecting sleeve rod, and the connecting lug seats between adjacent round supporting rod assemblies are connected with the middle connecting sleeve rod through a middle connecting screw rod capable of being screwed and connected in an adjustable mode.
3. An automatic rounding mechanism for penstock according to claim 1, wherein: the rear end of the telescopic rod is provided with a ball head connecting groove with a round ball cavity structure, and a ball head of the piston ball head connecting rod is in driving connection in the ball head connecting groove.
4. An automatic rounding mechanism for penstock according to claim 1, wherein: the center of the round supporting bracket of the wheel-shaped structure is provided with two connecting plates which are arranged in parallel, a supporting seat plate is welded between the two connecting plates according to the number of the round supporting rod assemblies, and the supporting seat plate is fixedly connected with the bottom flange of the supporting seat through bolts.
5. An automatic rounding mechanism for penstock according to claim 1, wherein: the top surface of the top pressure increasing block is of a cambered surface structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322551968.0U CN220805028U (en) | 2023-09-19 | 2023-09-19 | Automatic round supporting mechanism for pressure steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322551968.0U CN220805028U (en) | 2023-09-19 | 2023-09-19 | Automatic round supporting mechanism for pressure steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220805028U true CN220805028U (en) | 2024-04-19 |
Family
ID=90673737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322551968.0U Active CN220805028U (en) | 2023-09-19 | 2023-09-19 | Automatic round supporting mechanism for pressure steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220805028U (en) |
-
2023
- 2023-09-19 CN CN202322551968.0U patent/CN220805028U/en active Active
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