CN112453884A - Hydraulic adjusting trolley for special shaft installation - Google Patents
Hydraulic adjusting trolley for special shaft installation Download PDFInfo
- Publication number
- CN112453884A CN112453884A CN201910842090.1A CN201910842090A CN112453884A CN 112453884 A CN112453884 A CN 112453884A CN 201910842090 A CN201910842090 A CN 201910842090A CN 112453884 A CN112453884 A CN 112453884A
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- trolley
- lifting
- shaft
- piston rod
- wheels
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- 238000009434 installation Methods 0.000 title claims description 22
- 230000005484 gravity Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
- B23P19/12—Alignment of parts for insertion into bores
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to a special shaft-mounted hydraulic adjusting trolley which comprises an independent control type lifting trolley body, wherein a gravity centering type supporting table is arranged at the upper part of the lifting trolley body; the support table has a V-shaped concave support plane on the upper surface, the lifting vehicle body comprises four symmetrically arranged lifting hydraulic cylinders, wheels are mounted at the bottoms of the lifting hydraulic cylinders, and the rotating planes of the four wheels are parallel to each other. The upper surface of the support table adopts a V-shaped concave support plane, the shaft part falls on the support plane and automatically rolls to the lowest position under the action of gravity until the shaft part is static to finish centering; the lifting car body is provided with four symmetrically-arranged lifting hydraulic cylinders, wheels are installed at the bottoms of the lifting hydraulic cylinders, the wheels move to enable the shaft parts to be assembled, the lifting hydraulic cylinders adjust the height of the supporting table, the number of the lifting hydraulic cylinders is four, a four-direction combined adjusting mode is formed, and the supporting table is adjusted more accurately.
Description
Technical Field
The invention relates to shaft installation equipment, in particular to a hydraulic adjustment trolley for special shaft installation.
Background
Shaft parts, such as ship propeller shafts, propeller main shafts and the like, are used in a plurality of existing devices, and the requirements of movement of the shaft parts, alignment precision with shaft holes and the like need to be considered in the installation process of the shaft parts.
In the conventional installation of shaft parts, a device is mostly arranged in a shaft hole and used for supporting the shaft parts, such as a common crown block, a long rail is further connected outside the shaft hole, a moving trolley is arranged on the rail, the shaft parts are placed on the trolley, and before assembly, the position of the rail needs to be aligned in advance to ensure that the shaft parts are smoothly installed in alignment with the shaft hole.
However, it is difficult to connect the rails and determine the positions of the rails in advance, and it is difficult to use the same rail and the same carriage because the dimensions and the installation positions of the shafts are different. And the precision control requirement of each connection track is very strict, which seriously influences the efficiency of shaft installation. In addition, in a device with a small space, it is difficult to connect the rails, so that a device capable of adapting to the installation requirements of different shaft parts is needed.
Disclosure of Invention
The invention solves the defects that the existing shaft is difficult to install, troublesome to operate and difficult to ensure the installation precision, and provides the special shaft installation hydraulic adjustment trolley.
The specific technical scheme of the invention is as follows: a hydraulic adjusting trolley for a special shaft installation comprises a lifting trolley body, wherein a gravity centering type supporting platform is arranged at the upper part of the lifting trolley body; the support platform upper surface is the concave supporting plane of V-arrangement, and the lift automobile body includes four symmetrical arrangement's hydraulic cylinder, and the wheel is installed to hydraulic cylinder bottom.
The supporting table is a weight centering type supporting table, and shows that the supporting table can automatically fall to the lowest position under the action of gravity until the supporting table is kept static, and the shaft part is automatically centered, so that the upper surface of the supporting table adopts a V-shaped concave supporting plane, two sides of the supporting plane are inclined planes, the shaft part falls on the supporting plane, automatically rolls to the lowest position under the action of gravity until the supporting table is static, the shaft part is centered, and the shaft part can be automatically centered when the supporting table is subsequently lifted and adjusted, so that the alignment accuracy of the shaft part and the axis of the shaft hole is improved; the lifting car body is provided with four symmetrically arranged lifting hydraulic cylinders, wheels are installed at the bottoms of the lifting hydraulic cylinders, the shaft parts are assembled by moving through the wheels, the height of the supporting table is adjusted through the four lifting hydraulic cylinders, a four-direction combined adjusting mode is formed, and the supporting table is adjusted more accurately; the four lifting hydraulic cylinders can be lifted simultaneously to improve the overall height of the axis of the shaft part, and can also be lifted on the left side or the right side to change the position of the axis of the shaft part on the horizontal plane, or the height of a certain lifting hydraulic cylinder, so that the inclination angle of the axis of the shaft part can be adjusted.
Preferably, the support table is square and comprises a square bottom plate, an inclined strut fixed on the bottom plate and a rubber pad fixed on the inclined strut; the inclined struts on the bottom plate are divided into two rows, and the rubber pads on the two rows of inclined struts are obliquely opposite to each other and form a V-shaped concave supporting plane. The supporting table is made into a square shape, so that the direction can be very conveniently and accurately determined, the inclined strut and the rubber pad are fixed, the positioning of the shaft part is facilitated, the rubber pad is arranged on the inclined strut, the buffering and damping effects on the shaft part can be achieved, and the appearance of the shaft is protected.
Preferably, the total number of the inclined struts on the bottom plate is six, the inclined struts are divided into two rows, each row is three, and the two rows of the inclined struts are symmetrically arranged relative to the central line of the bottom plate; the bracing is the wedge, and on the lower surface was fixed in the bottom plate, the upper surface was upwards to one side, and the cushion is fixed in on the upper surface.
Preferably, the lifting vehicle body is square and comprises a square frame plate, and four corners of the frame plate are connected with lifting hydraulic cylinders; the lifting hydraulic cylinder comprises a cylinder body and a piston rod arranged in the cylinder body, and wheels are connected to the end position of the piston rod. The wheels are connected to the end of the piston rod and can synchronously lift along with the piston rod, the piston rod can be precisely controlled by the lifting hydraulic cylinder, and the movement of the trolley is not influenced after the height position is adjusted.
Preferably, the piston rod is internally provided with a wheel groove, the opening position of the wheel groove is provided with a wheel shaft, the end position of the piston rod is connected with a piston fixing plate, and the piston fixing plate is connected with the shaft end position of the wheel shaft.
Further preferably, the middle position of the lifting vehicle body is provided with a guide device, the guide device comprises four guide wheels, wheel shafts of the guide wheels are vertically arranged, the guide wheels are provided with cylindrical wheel surfaces, the four guide wheels are divided into two groups, and the cylindrical wheel surfaces of the two groups of guide wheels are arranged oppositely.
Further preferably, the trolley is provided with a circular tube track, the inner wall of the circular tube track is provided with a vertical guide plate, the length of the guide plate is reversely parallel to the axis of the shaft hole, the vertical symmetrical plane of the guide plate is coplanar with the axis of the shaft hole, and the two groups of guide wheels are respectively arranged on two sides of the guide plate. The deflector sets up on the pipe track, and the position of deflector is in pipe track extreme low position, the vertical symmetry plane and the shaft hole axis of deflector, and the guider and the deflector of dolly cooperate like this, and the deflector can lead to the route of advancing of dolly, avoids the dolly to remove the in-process and takes place the skew. The trolley is positioned on the inner arc surface of the circular tube track, and the circular tube track can also center the trolley under the action of gravity.
Preferably, the lifting hydraulic cylinder is a bidirectional acting cylinder; the piston rod is provided with two outer diameters, wherein the outer diameter of the end part extending into the cylinder body is larger than the outer diameters of the other parts, the periphery of the end part extending into the cylinder body of the piston rod is sleeved with the sealing ring, an oil cavity is formed between the other parts of the piston rod and the inner wall of the cylinder body by gaps, and the center of the top surface of the end part of the piston rod is provided with a sunken oil groove.
Further preferably, the piston rod is connected with a lifting indicating scale, and the lifting indicating scale is lifted simultaneously along with the piston rod and indicates the lifting height of the wheels relative to the frame plate.
Further preferably, the wheel surface of the wheel of the trolley is an arc surface; relative to the advancing direction of the trolley, the two lifting hydraulic cylinders on the same side of the trolley are connected through a pipeline; the front and back positions on the trolley are connected with a push-pull connecting plate.
The invention has the beneficial effects that: the upper surface of the supporting table is a V-shaped concave supporting plane, two sides of the supporting plane are inclined planes, the shaft parts fall on the supporting plane and automatically roll to the lowest position under the action of gravity until the shaft parts are static, the shaft parts are centered at the moment, and the shaft parts are automatically centered when the supporting table is subsequently lifted and adjusted, so that the alignment accuracy of the shaft parts and the axis of the shaft hole is improved; the lifting car body is provided with four symmetrically-arranged lifting hydraulic cylinders, wheels are installed at the bottoms of the lifting hydraulic cylinders, the wheels move to enable the shaft parts to be assembled, the lifting hydraulic cylinders adjust the height of the supporting table, the number of the lifting hydraulic cylinders is four, a four-direction combined adjusting mode is formed, and the supporting table is adjusted more accurately.
Drawings
FIG. 1 is a schematic diagram of one configuration of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of a support table according to the present invention;
FIG. 4 is a schematic view of a lift truck body configuration of the present invention;
FIG. 5 is a side view of the lift car body of the present invention;
in the figure: 1. supporting table, 2, lifting vehicle body, 3, rubber mat, 4, bracing, 5, bottom plate, 6, vehicle frame plate, 7, cylinder body, 8, piston end cover, 9, piston rod, 10, wheel, 11, leading wheel, 12, push-pull connecting plate, 13, lifting indicator scale, 14, oil pipe, 15, oil duct, 16, oil groove, 17, piston end, 18, wheel groove, 19, piston fixing plate, 20, wheel axle, 21, guide plate, 22, double plate, 23, pipe track.
Detailed Description
The invention is further described by the following specific embodiments in conjunction with the accompanying drawings.
Example (b):
as shown in fig. 1 and 2, the hydraulic adjustment trolley for the special shaft installation comprises an independent control type lifting trolley body 2, wherein a gravity centering support table 1 is arranged at the upper part of the lifting trolley body.
As shown in fig. 3, the support platform is square, and includes a square bottom plate 5, an inclined strut 4 fixed on the bottom plate, and a rubber pad 3 fixed on the inclined strut. The inclined struts on the bottom plate are divided into two rows, the upper surfaces of the rubber mats on the inclined struts in the same row are coplanar, and the rubber mats on the inclined struts in the two rows are obliquely opposite to each other to form a V-shaped concave supporting plane. Six inclined struts on the bottom plate are divided into two rows, each row is three, and the two rows of inclined struts are symmetrically arranged relative to the central line of the bottom plate. The bracing is the wedge, and on the lower surface was fixed in the bottom plate, the upper surface slope and towards bottom plate central line top position, the cushion was fixed in on the upper surface.
As shown in fig. 4 and 5, the lifting vehicle body is square, and comprises a square frame plate 6, and lifting hydraulic cylinders are connected to the four corners of the frame plate. The four lifting hydraulic cylinders are symmetrically arranged, wheels 10 are installed at the bottoms of the lifting hydraulic cylinders, and the rotating planes of the four wheels are parallel to each other. The lifting hydraulic cylinder comprises a cylinder body 7 and a piston rod 9 arranged in the cylinder body, the upper end of the cylinder body is closed, the lower end of the cylinder body is open, the piston rod extends into the cylinder body from bottom to top, and the lower end of the cylinder body is connected with a piston end cover 8. The wheels are connected to the lower end of the piston rod. The wheel groove 18 is arranged in the piston rod, the top of the wheel groove is arc-shaped, the size of the wheel groove is larger than that of a wheel, the opening position of the wheel groove is provided with an installation sunken groove, the wheel shaft 20 is arranged in the installation sunken groove, the end position of the piston rod is connected with the piston fixing plate 19, and the piston fixing plate seals the installation sunken groove and is connected with the shaft end position of the wheel shaft. A gap is arranged on the piston fixing plate, and the wheel extends out of the wheel groove through the gap. The hydraulic lifting cylinder is a double-acting cylinder, the piston rod is provided with two outer diameters, wherein the outer diameter of a piston end 17 extending into the cylinder body is larger than the outer diameters of other parts, a sealing ring is sleeved on the periphery of the piston end, an oil cavity is formed between the other parts of the piston rod and the inner wall of the cylinder body through gaps, and a sunken oil groove 16 is formed in the center of the top surface of the end part of the piston rod. The upper end of the cylinder body is provided with an oil duct 15, the oil duct radially extends into the cylinder body from the outer side of the cylinder body and is communicated with an oil groove at the top end of the piston rod in a right-angle turning mode at the axial line position of the cylinder body, the lower portion of the cylinder body is provided with the oil duct, and the oil duct is communicated with an oil cavity in the cylinder body. The two lifting hydraulic cylinders on the same side of the trolley are connected through an oil pipe 14, the upper oil duct of the cylinder body on the same side is connected through an oil pipe, and the lower oil duct of the cylinder body on the same side is connected through an oil pipe, so that the two lifting hydraulic cylinders on the same side can be synchronously lifted, and the trolley is controlled to independently lift on the left side and the right side on a traveling route. The piston rod is connected with a lifting indicating scale 13 which can lift along with the piston rod and indicate the lifting height of the wheels relative to the frame plate.
The trolley is provided with a circular tube track 23, the inner arc surface of the circular tube track is the road surface on which the trolley travels, and the axis of the circular tube track is parallel to the axis of the special shaft mounting shaft hole. The inner wall of the circular tube track is provided with a vertical guide plate 21, the length direction of the guide plate is parallel to the axis of the shaft hole, the guide plate is positioned at the lowest position of the circular tube track, and the vertical symmetrical plane of the guide plate is coplanar with the axis of the shaft hole. The wheel surface of the wheel of the trolley is an arc surface which is contacted with the inner arc surface of the circular tube track. The middle position of the lifting vehicle body is provided with a guide device, the guide device comprises four guide wheels 11, wheel shafts of the guide wheels are vertically arranged, the guide wheels are provided with cylindrical wheel surfaces, the four guide wheels are divided into two groups, the cylindrical wheel surfaces of the two groups of guide wheels are oppositely arranged, and the two groups of guide wheels are respectively positioned at two sides of the guide plate. The axles of the two groups of guide wheels are vertically arranged, the upper ends of the axles are connected through a duplex plate 22, and the duplex plate is just over the guide plates. The front and back positions of the frame plate are connected with a push-pull connecting plate 12, and the push-pull connecting plate is provided with a mounting hole.
The walking of the trolley is realized by connecting the push-pull connecting plate with external force. To achieve automation, a wheel hub motor may be used to drive the wheels, and the four wheels may be individually controlled.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. A hydraulic adjusting trolley installed on a special shaft is characterized by comprising a lifting trolley body (2), wherein a gravity centering type supporting platform (1) is arranged at the upper part of the lifting trolley body; the support platform upper surface is the concave supporting plane of V-arrangement, and the lift automobile body includes four symmetrical arrangement's hydraulic cylinder, and wheel (10) are installed to hydraulic cylinder bottom.
2. The hydraulic adjusting trolley special for shaft installation according to claim 1, wherein the support platform is square and comprises a square bottom plate (5), an inclined strut (4) fixed on the bottom plate and a rubber pad (3) fixed on the inclined strut; the inclined struts on the bottom plate are divided into two rows, and the rubber pads on the two rows of inclined struts are obliquely opposite to each other and form a V-shaped concave supporting plane.
3. The hydraulic adjustment trolley special for shaft installation as claimed in claim 2, wherein the total number of the diagonal braces on the bottom plate is six, the diagonal braces are divided into two rows, each row is three, and the two rows of the diagonal braces are symmetrically arranged relative to the center line of the bottom plate; the bracing is the wedge, and on the lower surface was fixed in the bottom plate, the upper surface was upwards to one side, and the cushion is fixed in on the upper surface.
4. The hydraulic adjusting trolley for the special shaft installation as claimed in claim 1, 2 or 3, wherein the lifting trolley body is square in shape and comprises a square trolley frame plate (6), and lifting hydraulic cylinders are connected to the four corners of the trolley frame plate; the lifting hydraulic cylinder comprises a cylinder body (7) and a piston rod (9) arranged in the cylinder body, and wheels are connected to the end position of the piston rod.
5. The hydraulic adjusting trolley for the special shaft installation as claimed in claim 4, wherein the piston rod is internally provided with a wheel groove (18), the opening position of the wheel groove is provided with a wheel shaft (20), the end position of the piston rod is connected with a piston fixing plate (19), and the piston fixing plate is connected with the shaft end position of the wheel shaft.
6. The hydraulic adjusting trolley for the special shaft installation as claimed in claim 4, wherein a guiding device is arranged in the middle of the lifting trolley body, the guiding device comprises four guide wheels (11), the axles of the guide wheels are vertically arranged, the guide wheels are provided with cylindrical wheel surfaces, the four guide wheels are divided into two groups, and the cylindrical wheel surfaces of the two groups of guide wheels are arranged oppositely.
7. The hydraulic adjustment trolley for the special shaft installation as claimed in claim 6, wherein the trolley is provided with a circular tube rail (23), the inner wall of the circular tube rail is provided with a vertical guide plate (21), the length of the guide plate is reversely parallel to the axis of the shaft hole, the vertical symmetry plane of the guide plate is coplanar with the axis of the shaft hole, and the two groups of guide wheels are respectively arranged at two sides of the guide plate.
8. The special shaft-mounted hydraulic adjustment trolley as claimed in claim 4, wherein the hydraulic lifting cylinder is a double-acting cylinder; the piston rod is provided with two outer diameters, wherein the outer diameter of the end part extending into the cylinder body is larger than the outer diameters of the other parts, the periphery of the end part extending into the cylinder body of the piston rod is sleeved with a sealing ring, an oil cavity is formed between the other parts of the piston rod and the inner wall of the cylinder body by gaps, and a sunken oil groove (16) is formed in the center of the top surface of the end part of the piston rod.
9. The hydraulic adjustment trolley for the special shaft installation as claimed in claim 4, wherein the piston rod is connected with a lifting indicator scale (13), and the lifting indicator scale is lifted simultaneously along with the piston rod and indicates the lifting height of the wheels relative to the trolley frame plate.
10. The special shaft-mounted hydraulic adjusting trolley as claimed in claim 1, 2 or 3, wherein the wheel surfaces of the wheels of the trolley are arc surfaces; relative to the advancing direction of the trolley, the two lifting hydraulic cylinders on the same side of the trolley are connected through a pipeline; the front and back positions on the trolley are connected with a push-pull connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842090.1A CN112453884A (en) | 2019-09-06 | 2019-09-06 | Hydraulic adjusting trolley for special shaft installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842090.1A CN112453884A (en) | 2019-09-06 | 2019-09-06 | Hydraulic adjusting trolley for special shaft installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112453884A true CN112453884A (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910842090.1A Pending CN112453884A (en) | 2019-09-06 | 2019-09-06 | Hydraulic adjusting trolley for special shaft installation |
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| Country | Link |
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| CN (1) | CN112453884A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928501A (en) * | 2021-11-22 | 2022-01-14 | 沪东中华造船(集团)有限公司 | Screw shaft feeding device and method for mounting ship shaft system |
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2019
- 2019-09-06 CN CN201910842090.1A patent/CN112453884A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928501A (en) * | 2021-11-22 | 2022-01-14 | 沪东中华造船(集团)有限公司 | Screw shaft feeding device and method for mounting ship shaft system |
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