CN214922104U - Hydraulic adjustable jacking type roller shaft feeding device - Google Patents
Hydraulic adjustable jacking type roller shaft feeding device Download PDFInfo
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- CN214922104U CN214922104U CN202120876438.1U CN202120876438U CN214922104U CN 214922104 U CN214922104 U CN 214922104U CN 202120876438 U CN202120876438 U CN 202120876438U CN 214922104 U CN214922104 U CN 214922104U
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Abstract
The utility model discloses a hydraulic adjustable jacking type roller shaft feeding device, which comprises a rotating shaft, a roller bracket, a lifting seat, a hydraulic cylinder, an axial locking nut, a circumferential locking bolt and a base, wherein the hydraulic cylinder is vertically arranged on the base; an external thread part is arranged on one side, close to the lifting seat, of a piston rod of the hydraulic cylinder, and an axial locking nut is in threaded connection with the external thread part and can abut against the upper end face of the hydraulic cylinder; a limit groove extending along the axial direction of the piston rod is arranged on one side, close to the lifting seat, of the piston rod of the hydraulic cylinder, and the circumferential locking bolt is in threaded connection with the cylinder wall of the hydraulic cylinder, and the tail end of the circumferential locking bolt can extend into the limit groove. Adopt the utility model discloses, can reduce the shafting degree of disturbance and warp, can swiftly, adjust the position of axle head in the stern tube in a flexible way again, not only reduce the inlet shaft degree of difficulty, shorten the inlet shaft time, still improve inlet shaft factor of safety.
Description
Technical Field
The utility model belongs to the technical field of boats and ships admission frock, concretely relates to hydraulic pressure adjustable jacking formula gyro wheel admission device.
Background
The stern shaft installation is a sign that a ship reaches a launching state, is one of the most important construction projects in a slipway stage, and is important to finish the stern shaft installation smoothly and safely. The stern shaft is provided with a plurality of modes such as general pulley feeding, trolley feeding, hoisting block feeding and the like, and for a ship with a short stern shaft and small shafting deflection deformation, the stern shaft is fed by adopting a traditional chain block method without problems; for ships with long shafting and open stern tubes, the problem of entering the stern shaft by adopting the stern shaft entering tooling trolley to overcome shafting deflection is solved; however, for a ship in which a closed stern tube with a small inner diameter cannot be mounted in a shaft tool trolley and a manhole on the stern tube is arranged below the stern tube, the conventional method for entering the stern shaft cannot be implemented at all.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a hydraulic pressure adjustable jacking formula gyro wheel advances axle device is provided, can reduce the shafting degree of disturbance and warp, can swiftly, adjust the position of axle head in the stern tube in a flexible way again, advance the axle direction effectual, not only reduce the inlet shaft degree of difficulty, shorten the inlet shaft time, still improve inlet shaft factor of safety widely.
In order to solve the technical problem, the utility model provides a hydraulic pressure adjustable jacking type roller feeding device, which comprises a rotating shaft, a roller bracket, a lifting seat, a hydraulic cylinder, an axial locking nut, a circumferential locking bolt and a base, wherein the hydraulic cylinder is vertically arranged on the base, a piston rod of the hydraulic cylinder is fixedly connected with the lifting seat, the roller bracket is fixed on the lifting seat, and the roller is connected on the roller bracket through the rotating shaft; an external thread part is arranged on one side, close to the lifting seat, of a piston rod of the hydraulic cylinder, the axial locking nut is in threaded connection with the external thread part, and the axial locking nut can abut against the upper end face of the hydraulic cylinder; the piston rod of the hydraulic cylinder is provided with a limit groove extending along the axial direction of the piston rod on one side close to the lifting seat, the circumferential locking bolt is in threaded connection with the cylinder wall of the hydraulic cylinder, and the tail end of the circumferential locking bolt can extend into the limit groove.
As the preferred scheme of the utility model, the gyro wheel support with for dismantling the connection between the lift seat.
As the preferred scheme of the utility model, the gyro wheel support with pass through bolted connection between the lift seat.
As the utility model discloses a preferred scheme, the gyro wheel support is located immediately by bottom plate and two the curb plate of bottom plate constitutes, the both ends of axis of rotation respectively with two the curb plate rotates to be connected.
As the preferred scheme of the utility model, install on the curb plate with rotation axis connection's gyro wheel support bearing.
As the preferred scheme of the utility model, the gyro wheel suit is in the axis of rotation, just the both ends of gyro wheel are equipped with the end cover respectively.
As the utility model discloses an optimal scheme, the adjustable jacking formula gyro wheel of hydraulic pressure advances the axle device and still includes the hand pump of hydraulic pressure, the hand pump of hydraulic pressure with the hydraulic oil access connection of pneumatic cylinder.
Implement the utility model discloses an adjustable jacking formula gyro wheel of hydraulic pressure advances axle device compares with prior art, has following beneficial effect:
use the utility model discloses an adjustable jacking formula gyro wheel advances when axle device advances the stern axle, can increase an ascending holding power for the axle through the flexible effect of pneumatic cylinder, reduce the shafting deflection and warp, avoid the spindle nose to bump and scrape, and through the locking structure who comprises axial lock nut and circumference locking bolt, can swiftly, adjust the position of spindle nose in the stern tube in a flexible way, make the axle advance under the guide effect of gyro wheel, not only effectively reduce the inlet shaft degree of difficulty, shorten the inlet shaft time, still improve inlet shaft factor of safety widely. In the past, advance the stern axle with chain block, need 8 assembly workers and 2 days 'engineering time, and use the utility model discloses an only need 4 assembly workers and 1 day's engineering time just can reach the requirement behind the adjustable jacking formula gyro wheel shaft feeding device of hydraulic pressure to improve labor efficiency widely, reduced workman intensity of labour, practiced thrift labour cost.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of a hydraulic adjustable jacking type roller shaft feeding device provided by the present invention;
the labels in the figure are:
1. the device comprises a rotating shaft, 2, rollers, 3, roller supports, 31, a bottom plate, 32, side plates, 33, roller supporting bearings, 34, an end cover, 4, a lifting seat, 5, a hydraulic cylinder, 51, a piston rod, 52, a limiting groove, 6, an axial locking nut, 7, a circumferential locking bolt, 8 and a base.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are used herein to indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, in the preferred embodiment of the present invention, the hydraulic adjustable jacking roller feeding device includes a rotating shaft 1, a roller 2, a roller bracket 3, a lifting seat 4, a hydraulic cylinder 5, an axial locking nut 6, a circumferential locking bolt 7 and a base 8, wherein the hydraulic cylinder 5 is vertically disposed on the base 8, a piston rod 51 of the hydraulic cylinder 5 is fixedly connected to the lifting seat 4, the roller bracket 3 is fixed to the lifting seat 4, and the roller 2 is connected to the roller bracket 3 through the rotating shaft 1; a piston rod 51 of the hydraulic cylinder 5 is provided with an external thread part at one side close to the lifting seat 4, the axial locking nut 6 is in threaded connection with the external thread part, and the axial locking nut 6 can be abutted against the upper end surface of the hydraulic cylinder 5; a limit groove 52 extending along the axial direction of the piston rod 51 is formed in one side, close to the lifting seat 4, of the piston rod 51 of the hydraulic cylinder 5, the circumferential locking bolt 7 is in threaded connection with the cylinder wall of the hydraulic cylinder 5, and the tail end of the circumferential locking bolt 7 can extend into the limit groove 52.
The embodiment of the utility model provides an implementation as follows:
the hydraulic hand pump is connected with a hydraulic oil inlet of the hydraulic cylinder 5, when hydraulic oil enters an inner cavity of the hydraulic cylinder 5 through the hydraulic oil inlet, the piston rod 51 moves upwards to generate jacking force along with the increase of the hydraulic oil when the pressure generated by the hydraulic oil is greater than the force borne by the piston rod 51; when the roller 2 is adjusted to the height required by installation, the axial locking nut 6 is screwed downwards, so that the force borne by the piston rod 51 can act on the upper end of the hydraulic cylinder 5 through the axial locking nut 6, the circumferential locking bolt 7 is screwed, and the tail end of the circumferential locking bolt extends into the limiting groove 52, at the moment, the installation position of the hydraulic adjustable jacking shaft feeding device is fixed, and the stern shaft can slowly advance forwards under the action of the roller 2; when the position of the shaft head in the stern tube needs to be adjusted, loosening the circumferential locking bolt 7 to enable the tail end of the shaft head to be separated from the limiting groove 52, then slightly shaking down the hydraulic hand pump, upwards rotating the axial locking nut 6, slowly releasing pressure of the hydraulic hand pump, when the height is adjusted to be required, downwards screwing the axial locking nut 6 again, screwing the circumferential locking bolt 7 again, and continuing to feed the shaft; after the whole shaft feeding work is finished, the circumferential locking bolt 7 is loosened, the hand pump is slightly shaken down, the axial locking nut 6 is rotated upwards, the hydraulic hand pump slowly releases pressure, and when the axial locking nut 6 falls back to the upper end of the hydraulic cylinder 5, the whole supporting force falls on the hydraulic cylinder 5 again.
It is thus clear that use the utility model discloses an adjustable jacking formula gyro wheel 2 of hydraulic pressure advances when the axle device advances the stern axle, can increase an ascending holding power for the axle through the concertina action of pneumatic cylinder 5, reduce the deformation of shafting disturbance, avoid the spindle nose to bump and scrape, and through the locking structure who comprises axial lock nut 6 and circumference locking bolt 7, can be swift, adjust the position of spindle nose in the stern pipe in a flexible way, make the axle advance under gyro wheel 2's guide effect, not only effectively reduce the inlet shaft degree of difficulty, shorten the inlet shaft time, still improve inlet shaft factor of safety widely. Go into the stern axle with chain block in the past, need 8 assembly workers and 2 days 'engineering time, and use the utility model discloses a need only 4 assembly workers and 1 day's engineering time just can reach the requirement behind the adjustable jacking formula gyro wheel 2 axle feeding device of hydraulic pressure to improved labor efficiency widely, reduced workman intensity of labour, practiced thrift labour cost.
Illustratively, the roller bracket 3 and the lifting seat 4 are detachably connected. When the shaft neck changes, only need change gyro wheel 2 and support, whole pneumatic cylinder 5 can used repeatedly, and the suitability is strong, practices thrift equipment cost. In this embodiment, the roller bracket 3 and the lifting seat 4 are connected by bolts.
For example, in order to improve the supporting capability and the flexibility of the roller 2 in rotation after being stressed, the roller bracket 3 is composed of a bottom plate 31 and two side plates 32 vertically arranged on the bottom plate 31, and two ends of the rotating shaft 1 are respectively connected with the two side plates 32 in a rotating manner; the side plate 32 is provided with a roller supporting bearing 33 connected with the rotating shaft 1; the roller 2 is sleeved on the rotating shaft 1, and end covers 34 are respectively arranged at two ends of the roller 2.
In the description of the present invention, it is to be understood that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are used in a generic sense, e.g., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (7)
1. The hydraulic adjustable jacking type roller shaft feeding device is characterized by comprising a rotating shaft, a roller support, a lifting seat, a hydraulic cylinder, an axial locking nut, a circumferential locking bolt and a base, wherein the hydraulic cylinder is vertically arranged on the base, a piston rod of the hydraulic cylinder is fixedly connected with the lifting seat, the roller support is fixed on the lifting seat, and the roller is connected to the roller support through the rotating shaft; an external thread part is arranged on one side, close to the lifting seat, of a piston rod of the hydraulic cylinder, the axial locking nut is in threaded connection with the external thread part, and the axial locking nut can abut against the upper end face of the hydraulic cylinder; the piston rod of the hydraulic cylinder is provided with a limit groove extending along the axial direction of the piston rod on one side close to the lifting seat, the circumferential locking bolt is in threaded connection with the cylinder wall of the hydraulic cylinder, and the tail end of the circumferential locking bolt can extend into the limit groove.
2. The hydraulically adjustable jack-up roller shaft assembly of claim 1, wherein the roller support is removably connected to the lift block.
3. The hydraulically adjustable jack-up roller shaft assembly of claim 2, wherein the roller support is bolted to the lift block.
4. The hydraulic adjustable jacking roller shaft feeding device according to claim 1, wherein the roller bracket is composed of a bottom plate and two side plates vertically arranged on the bottom plate, and two ends of the rotating shaft are respectively rotatably connected with the two side plates.
5. The hydraulically adjustable jack-up roller feed assembly of claim 4, wherein said side plates are provided with roller support bearings attached to said rotatable shaft.
6. The hydraulic adjustable jacking roller shaft feeding device according to claim 1, wherein the rollers are sleeved on the rotating shaft, and end caps are respectively arranged at two ends of the rollers.
7. The hydraulic adjustable jacking roller shaft feeding device according to any one of claims 1 to 6, further comprising a hydraulic hand pump, wherein the hydraulic hand pump is connected with a hydraulic oil inlet of the hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120876438.1U CN214922104U (en) | 2021-04-26 | 2021-04-26 | Hydraulic adjustable jacking type roller shaft feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120876438.1U CN214922104U (en) | 2021-04-26 | 2021-04-26 | Hydraulic adjustable jacking type roller shaft feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214922104U true CN214922104U (en) | 2021-11-30 |
Family
ID=79067671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120876438.1U Active CN214922104U (en) | 2021-04-26 | 2021-04-26 | Hydraulic adjustable jacking type roller shaft feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214922104U (en) |
-
2021
- 2021-04-26 CN CN202120876438.1U patent/CN214922104U/en active Active
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