CN210677690U - Hydraulic adjusting trolley for special shaft installation - Google Patents
Hydraulic adjusting trolley for special shaft installation Download PDFInfo
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- CN210677690U CN210677690U CN201921479609.6U CN201921479609U CN210677690U CN 210677690 U CN210677690 U CN 210677690U CN 201921479609 U CN201921479609 U CN 201921479609U CN 210677690 U CN210677690 U CN 210677690U
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Abstract
The utility model relates to a special shaft-mounted hydraulic adjusting trolley, which comprises an independent control type lifting trolley body, wherein a gravity centering type supporting platform is arranged on the upper part of the lifting trolley body; the upper surface of the support table is a V-shaped concave support plane, the lifting vehicle body comprises four symmetrically arranged lifting hydraulic cylinders, wheels are installed at the bottoms of the lifting hydraulic cylinders, and the rotating planes of the four wheels are parallel to each other; the wheel surface of the wheel is supported on the inner arc surface of the circular tube track, and the axis of the circular tube track is parallel to the axis of the special shaft mounting shaft hole. 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, and the lifting hydraulic cylinders adjust the height of the supporting table.
Description
Technical Field
The utility model relates to an axle type erection equipment, especially a special axle installation hydraulic pressure adjustment dolly.
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 utility model provides a current axle type installation degree of difficulty great, the troublesome poeration, and the defect that the installation precision is difficult to guarantee, provide a special axle installation hydraulic pressure adjustment dolly, automobile body upper portion installation gravity centering formula brace table, axle type part can automatic centering owing to receive the action of gravity on the brace table, the automobile body includes four hydraulic cylinder, the wheel mounting is on hydraulic cylinder, adjustment hydraulic cylinder's height, thereby the support position of adjustment brace table, finally realize that the alignment precision in axle type part and shaft hole reaches the assembly requirement.
The utility model discloses a concrete technical scheme does: a hydraulic adjusting trolley for a special shaft installation 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 upper surface of the support table is a V-shaped concave support plane, the lifting vehicle body comprises four symmetrically arranged lifting hydraulic cylinders, wheels are installed at the bottoms of the lifting hydraulic cylinders, and the rotating planes of the four wheels are parallel to each other; the wheel surface of the wheel is supported on the inner arc surface of the circular tube track, and the axis of the circular tube track is parallel to the axis of the special shaft mounting shaft hole.
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. 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 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, 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. 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 slope and towards bottom plate central line top position, the cushion was 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 arranged at the end part 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 top of the wheel groove is arc-shaped, the size of the wheel groove is larger than that of a wheel, an installation sinking groove is formed in the opening position of the wheel groove, the wheel shaft is arranged in the installation sinking groove, the end part of the piston rod is connected with a piston fixing plate, and the piston fixing plate seals the installation sinking groove and is connected with the shaft end position of the wheel shaft.
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 inner wall of the circular tube track is provided with a vertical guide plate, the guide plate is located at the lowest position of the circular tube track, the length of the guide plate is reversely parallel to the axis of the shaft hole, and the vertical symmetrical plane of the guide plate is coplanar with the axis of the shaft hole. The deflector sets up on the pipe track, and the position of deflector is in pipe track extreme low position, the vertical plane of symmetry and the shaft hole axis of deflector, the deflector can lead to the dolly route of advancing, avoids the dolly to move the in-process and takes place the skew.
Further preferably, a guide device is arranged in the middle of the lifting vehicle body and 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, the two groups of guide wheels are respectively arranged on two sides of the guide plate, and the cylindrical wheel surfaces of the guide wheels face the side surfaces of the guide 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 utility model has the advantages 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 structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic structural view of a support table of the present invention;
fig. 4 is a schematic view of a structure of a lifting vehicle body of the present invention;
FIG. 5 is a side view of the lift truck 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 will be further described with reference to specific embodiments and with reference to 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, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent transformation of doing above embodiment the utility model discloses technical scheme's protection scope.
Claims (10)
1. A hydraulic adjusting trolley installed on a special shaft is characterized by comprising an independent control type lifting trolley body (2), wherein a gravity centering type supporting table (1) is arranged at the upper part of the lifting trolley body; the upper surface of the support table is a V-shaped concave support plane, the lifting vehicle body comprises four symmetrically arranged lifting hydraulic cylinders, 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; and a round tube track (23) is also arranged, the wheel surface of the wheel is supported on the inner arc surface of the round tube track, and the axis of the round tube track is parallel to the axis of the special shaft mounting shaft hole.
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, 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.
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 slope and towards bottom plate central line top position, the cushion was 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 arranged at the end part of the piston rod.
5. The special shaft installation hydraulic pressure adjusting trolley is characterized in that a wheel groove (18) is formed 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, an installation sunken groove is formed in the opening position of the wheel groove, a wheel shaft (20) is arranged in the installation sunken groove, the end portion of the piston rod is connected with a piston fixing plate (19), and the piston fixing plate seals the installation sunken groove and is connected with the shaft end portion of the wheel shaft.
6. 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.
7. 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.
8. The hydraulic adjusting trolley special for shaft installation as claimed in claim 1, wherein a vertical guide plate (21) is arranged on the inner wall of the circular tube track, the guide plate is located at the lowest position of the circular tube track, the length of the guide plate is reversely parallel to the axis of the shaft hole, and the vertical symmetrical plane of the guide plate is coplanar with the axis of the shaft hole.
9. The hydraulic adjustment trolley for the special shaft installation as claimed in claim 8, 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 have cylindrical wheel surfaces, the four guide wheels are divided into two groups, the two groups of guide wheels are respectively arranged on two sides of the guide plate, and the cylindrical wheel surfaces of the guide wheels face the side surfaces of the guide plate.
10. The special shaft-mounted hydraulic pressure adjusting trolley according to claim 1, 2, 3, 8 or 9, wherein the wheel surface of the wheels of the trolley is a circular 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921479609.6U CN210677690U (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 |
|---|---|---|---|
| CN201921479609.6U CN210677690U (en) | 2019-09-06 | 2019-09-06 | Hydraulic adjusting trolley for special shaft installation |
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| Publication Number | Publication Date |
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| CN210677690U true CN210677690U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921479609.6U Active CN210677690U (en) | 2019-09-06 | 2019-09-06 | Hydraulic adjusting trolley for special shaft installation |
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| CN (1) | CN210677690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453884A (en) * | 2019-09-06 | 2021-03-09 | 宁波凯荣船用机械有限公司 | Hydraulic adjusting trolley for special shaft installation |
-
2019
- 2019-09-06 CN CN201921479609.6U patent/CN210677690U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453884A (en) * | 2019-09-06 | 2021-03-09 | 宁波凯荣船用机械有限公司 | Hydraulic adjusting trolley for special shaft installation |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: No.1, building 2, No.168, Chunxiao Yonghe Road, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Kairong new energy Co., Ltd Address before: 315830 No. 168 Chunxiao Yonghe Road, Beilun District, Ningbo City, Zhejiang Province Patentee before: NINGBO KAIRONG SHIP MACHINERY Co.,Ltd. |
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| CP03 | "change of name, title or address" |