CN105383673A - Shaft hosting locking device - Google Patents
Shaft hosting locking device Download PDFInfo
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- CN105383673A CN105383673A CN201510777618.3A CN201510777618A CN105383673A CN 105383673 A CN105383673 A CN 105383673A CN 201510777618 A CN201510777618 A CN 201510777618A CN 105383673 A CN105383673 A CN 105383673A
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- 238000013016 damping Methods 0.000 claims description 64
- 229910000831 Steel Inorganic materials 0.000 claims description 50
- 239000010959 steel Substances 0.000 claims description 50
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 238000006073 displacement reaction Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The invention discloses a shaft hoisting locking device and belongs to the technical field of engineering fixtures. The device comprises a fastener, a connecting piece and a fixed rack, wherein a circular holding space is formed in the center of the fastener, and a shaft can be locked in the holding space; and one end of the connecting piece is connected to the fastener, and the other end of the connecting piece is connected with the fixed rack. According to the invention, a shaft to be hoisted and locked is fixed to the fixed rack so as to avoid vertical displacement of the shaft to be hoisted and lock. Since the shaft to the hoisted and locked can penetrate through and be locked in the circular holding space in the center of the fastener, relative rotation generated between the shaft to be hoisted and locked and the fastener can be eliminated. When the device is used for hoisting and locking a ship propeller shaft, rotation or displacement of the ship propeller shaft can be eliminated.
Description
Technical Field
The invention relates to the technical field of engineering clamps, in particular to a shaft hanging and locking device.
Background
After the ship stern shaft and the propeller are positioned and installed on a slipway, in the process of launching the ship and before the ship is aligned and connected and installed on a shafting wharf, in order to ensure the safety of the stern shaft, constructors and the ship and the smooth alignment of the shafting, the freedom degrees of the stern shaft in the axial direction, the radial direction and the circumferential direction need to be limited, the stern shaft is provided with a reliable positioning and fixing tool for preventing the stern shaft from rotating and moving, and the stern shaft is not detached until the shafting is aligned and connected.
If the stern shaft is not reliably positioned and fixed, there will be the following risks:
1) after the stern tube of the stern shaft is installed on a slipway, the stern shaft has the risk of generating axial float slip and further damaging the stern tube seal of the stern shaft;
2) after the ship launching paddle is in contact with water and until the ship stops at a wharf, the paddle can rotate at a high speed under the pushing of water flow to influence the barge control of the ship state, and the paddle rotating at the high speed has the risk of being damaged by drift on the water surface of the wharf; the risk that the stern shaft moves back and forth under the pushing of water flow to damage the stern tube seal of the stern shaft also exists; there is also a risk that constructors near the stern shaft will be involved in and cut by the stern shaft rotating at high speed.
3) When a wharf shafting is centered, blades rotating at a high speed under the pushing of complicated water flow of the wharf have the risk of being damaged by drift on the water surface of the wharf; the risk that the stern shaft rotating at high speed moves back and forth under the pushing of water flow to damage a stern tube of the stern shaft and the seal of the stern shaft also exists; there is also a risk that constructors near the stern shaft are involved in and cut by the stern shaft rotating at high speed; especially, when the wharf is centered, the stern shaft cannot have any additional external force except bearing reaction force of the bearing and buoyancy of oil and water, and the stern shaft needs to be limited to move in the axial direction and the circumferential direction.
Therefore, in order to eliminate various construction risks caused by the fact that the stern shaft rotates and moves back and forth under the pushing of water flow in the processes of installation of the slipway, launching of the ship, docking of the dock and centering of a dock shafting of the stern shaft and the stern tube sealing device, and ensure the safety of the ship, equipment and personnel, a reliable stern shaft anti-rotation anti-channeling tool support must be arranged.
The conventional mode that the stern shaft is fixed by the rope in the cabin or the paddle is fixed by the rope under water is mostly adopted for preventing the front stern shaft from rotating and channeling, so that the reliability and the operability are poor, and considerable construction safety risk exists.
A special anti-rotation and anti-channeling tool support for the stern shaft, which is safe, reliable and high in operability, is needed in the cabin.
Disclosure of Invention
In view of the above, the present invention provides a shaft hanging and locking device capable of preventing a shaft to be hung and locked from rotating or shifting.
In order to achieve the purpose, the technical scheme of the shaft hanging and locking device provided by the invention is as follows:
the shaft hanging locking device provided by the invention comprises a fastener, a connecting piece and a fixing frame,
a circular accommodating space is formed in the center of the fastener, so that the accommodating space is used for locking the shaft therein;
one end of the connecting piece is connected with the fastening piece, and the other end of the connecting piece is connected with the fixed frame.
The shaft hanging and locking device can be further realized by adopting the following technical measures.
Preferably, one end of the connecting piece is fixedly connected to the position right above the fastening piece.
Preferably, the shaft hanging and locking device further comprises a damping piece, and the damping piece is arranged between the outer wall of the shaft and the inner wall of the fastener.
Preferably, the fasteners include a first fastener, a second fastener,
the cross section of the first fastener is in a first semicircular shape, and the interface of the second fastener is in a second semicircular shape, so that the first fastener and the second fastener can be butted together, and a circular accommodating space is formed in the center for the shaft to be locked in.
Preferably, one end of the connecting piece is fixedly connected to the position right above the first fastening piece.
Preferably, the shaft hanging and locking device further comprises a damping piece, wherein the damping piece comprises a first damping piece and a second damping piece, the first damping piece and the second damping piece can be combined together, and the containing space is formed in the center and used for locking the shaft.
Preferably, the damping member is made of a rubber material.
Preferably, a key is arranged on the inner wall of the fastener, and a key groove capable of being matched with the key is arranged on the damping piece; or, the inner wall of the fastener is provided with a key groove, and the damping piece is provided with a key groove matched with the key.
Preferably, the key is selected from one of a flat key, a semicircular key, a wedge key, a tangential key and a spline.
Preferably, the fastener is fixed on the outer side of the damping piece in an interference fit mode.
Preferably, the shaft hanging locking device further comprises a first locking bolt and a first locking nut, one end of the connecting piece is fixedly connected to the fastener, a first through hole is formed in the connecting piece, a second through hole is formed in the fixing frame, the diameter of the foot part of the first locking bolt is smaller than the diameter of the first through hole and the diameter of the second through hole simultaneously,
the diameter of the head of the first locking bolt is larger than the diameter of the first through hole,
the outer diameter of the first locking nut is larger than the diameter of the second through hole;
or,
the diameter of the head of the first locking bolt is larger than the diameter of the second through hole,
the outer diameter of the first locking nut is larger than the diameter of the first through hole;
so that the user can easily and conveniently select the required position,
the foot of the first locking bolt simultaneously penetrates through the first through hole, and a first remaining part is still left behind the second through hole for the first locking nut to be screwed to.
Preferably, the shaft hanger locking device further comprises a second locking nut,
the outer diameter of the second locking nut is larger than the diameter of the second through hole; or the outer diameter of the second locking nut is larger than the diameter of the first through hole;
so that the user can easily and conveniently select the required position,
the second lock nut can also be screwed onto the first remainder.
Preferably, the fixing frame comprises a first channel steel, a second channel steel and a third channel steel, the first channel steel and the second channel steel are equal in height, the length of the third channel steel is equal to the distance between the outer side edge of the first channel steel and the outer side edge of the second channel steel, and two ends of the third channel steel are respectively fixed to the first channel steel and the second channel steel in a back-to-back mode, so that the third channel steel is arranged in the horizontal direction.
Preferably, a gap is formed between the bottom edge of the third channel steel and the top surface of the fastener, so that interference cannot occur between the bottom edge of the third channel steel and the fastener.
Preferably, the shaft hanging and locking device further comprises a first gasket, a third through hole is formed in the first gasket, and the diameter of the third through hole is larger than that of the leg portion of the first locking bolt, so that the first gasket can be arranged between the first through hole and the second through hole.
Preferably, the shaft hanging and locking device further comprises a second gasket, a fourth through hole is formed in the second gasket, and the diameter of the fourth through hole is larger than that of the leg of the first locking bolt;
so that the user can easily and conveniently select the required position,
the second washer can be disposed between the first through hole and the first lock nut,
or,
the second washer can be disposed between the second through hole and the first lock nut.
Preferably, the shaft hanging locking device further comprises a first connecting lug, a second connecting lug, a third connecting lug and a fourth connecting lug,
the first connecting lug and the second connecting lug are arranged on the outer sides of two feet of the first fastener,
the third connecting lug and the fourth connecting lug are arranged on the outer sides of two feet of the second fastener,
when the first fastener and the second fastener are folded together, the first connecting lug is connected to the third connecting lug, and the second connecting lug is connected to the fourth connecting lug.
Preferably, the shaft hanging locking device further comprises a second locking bolt, a third locking nut, a third locking bolt and a fourth locking nut,
a fifth through hole and a sixth through hole which can penetrate through are formed in the corresponding positions of the first connecting lug and the third connecting lug, and a second remaining part is remained after the second locking bolt penetrates through the fifth through hole and the sixth through hole at the same time for the third locking nut to be screwed on;
and a seventh through hole and an eighth through hole which can be penetrated through are formed in the corresponding positions of the second connecting lug and the fourth connecting lug, and a third remaining part is still left after the third locking bolt penetrates through the seventh through hole and the eighth through hole at the same time, so that the fourth locking nut is screwed onto the third remaining part.
Preferably, the shaft hanger locking device further comprises a first washer and a second washer,
a ninth through hole is formed in the first washer, and the diameter of the ninth through hole is larger than that of the foot of the second locking bolt and smaller than that of the third locking nut, so that the first washer can be arranged between the fifth through hole and the third locking nut;
a tenth through hole is formed in the second washer, and the diameter of the tenth through hole is larger than that of the foot of the third lock bolt and smaller than that of the fourth lock nut, so that the second washer can be arranged between the seventh through hole and the fourth lock nut.
Preferably, the shaft hanger locking device further comprises a first spring washer and a second spring washer,
an eleventh through hole is formed in the first spring washer, and the diameter of the eleventh through hole is larger than the diameter of the foot of the second locking bolt and smaller than the outer diameter of the third locking nut, so that the first spring washer can be arranged between the fifth through hole and the third locking nut;
a twelfth through hole is formed in the second spring washer, the diameter of the twelfth through hole is larger than that of the foot of the third locking bolt and smaller than that of the fourth locking nut, and therefore the second spring washer can be arranged between the seventh through hole and the fourth locking nut.
Preferably, the shaft hanging and locking device further comprises a first reinforcing plate, a second reinforcing plate, a third reinforcing plate and a fourth reinforcing plate,
the first reinforcing plate is arranged between the first connecting lug and one foot of the first fastener; the second reinforcing plate is arranged between the second connecting lug and the other foot of the first fastener;
the third reinforcing plate is arranged between the third connecting lug and one foot of the second fastener; the fourth reinforcing plate is arranged between the fourth connecting lug and the other foot of the second fastener.
The shaft hanging and locking device provided by the invention comprises a fastener, a connecting piece and a fixing frame, wherein a circular accommodating space is formed in the center of the fastener, a shaft to be hung and locked can penetrate through and be locked in the accommodating space, the fastener is fixedly connected to the fixing frame through the connecting piece, and the shaft to be hung and locked is equivalently fixed to the fixing frame, so that the vertical movement of the shaft to be hung and locked can be eliminated. Because the shaft to be hung and locked can penetrate through and be locked in the circular accommodating space in the center of the fastener, the relative rotation between the shaft with the falling and locking function and the fastener can be eliminated. When the hanging device is used for hanging and locking the ship stern shaft, the rotation or the movement of the ship stern shaft can be eliminated.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a shaft hanging and locking device provided in an embodiment of the present invention, which is used for preventing a stern shaft of a ship from rotating or moving and is used in cooperation with the stern shaft of the ship;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a sectional view taken along line H-H in FIG. 2;
FIG. 4 is a partial enlarged view of portion B of FIG. 3;
fig. 5 is a partially enlarged view of a portion C in fig. 3.
Detailed Description
The invention provides a shaft hanging and locking device which can prevent a shaft to be hung and locked from rotating or moving in order to solve the problems in the prior art.
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the shaft hanging and locking device according to the present invention, its specific implementation, structure, features and effects will be provided in conjunction with the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, with the specific understanding that: both a and B may be included, a may be present alone, or B may be present alone, and any of the three cases can be provided.
Referring to fig. 1 to 5, the shaft hanging locking device provided by the embodiment of the invention comprises a fastener, a connecting piece 7 and a fixing frame, wherein a circular accommodating space is arranged in the center of the fastener, so that a shaft 16 is locked in the accommodating space; one end of the connecting piece 7 is connected to the fastening piece, and the other end of the connecting piece 7 is connected to the fixed frame.
In this embodiment, the fastener can be a sleeve that the center is circular, and it is only applicable to hanging locking to the less axle 16 of length, and during the application, need make the less axle 16 of this length penetrate this fastener from one end, make the less axle 16 of this length reach and hang the point, can realize hanging locking to this less axle 16 of length. However, when the length of the shaft 16 is long, the distance that the shaft 16 needs to travel to reach the hanging point by penetrating the fastener from one end is long, and therefore, it is not suitable for hanging and locking the shaft 16 with a long length.
In addition, in order to facilitate the shaft 16 with the shorter length to penetrate into the fastener from one end, a small opening can be further formed in the fastener, and connecting portions are respectively arranged at two ends of the small opening, at this time, in the process that the shaft 16 with the shorter length penetrates into the fastener from one end, the small opening can be opened, so that the whole inner diameter of the fastener is larger than the outer diameter of the shaft 16, when the fastener reaches a hanging point, the fastener is locked at the hanging point through the connecting portions arranged at two ends of the small opening, and the shaft 16 with the shorter length can penetrate through the fastener more conveniently. Moreover, the fastening device can be suitable for hanging and locking the shaft 16 with non-uniform diameter, and cannot be difficultly sleeved to a hanging point due to the increase of the diameter of the shaft 16 in the process of sleeving the fastening device.
The shaft hanging and locking device provided by the embodiment of the invention comprises a fastener, a connecting piece 7 and a fixing frame, wherein a circular accommodating space is arranged at the center of the fastener, a shaft 16 to be hung and locked can penetrate through and be locked in the accommodating space, the fastener is fixedly connected to the fixing frame through the connecting piece 7, and the shaft 16 to be hung and locked is equivalently fixed to the fixing frame, so that the vertical movement of the shaft 16 to be hung and locked can be eliminated. Since the shaft 16 to be hung and locked can pass through and be locked in the circular accommodating space at the center of the fastener, the relative rotation between the shaft 16 with the lock falling off and the fastener can be eliminated. When the hanging device is used for hanging and locking the ship stern shaft, the rotation or the movement of the ship stern shaft can be eliminated.
Wherein, one end of the connecting piece 7 is fixedly connected right above the fastening piece. Under the condition, the hanging direction of the shaft 16 to be hung and locked can be ensured to be stable, and the hanging reliability of the shaft 16 to be hung and locked can be ensured.
The shaft hanging and locking device further comprises a damping piece 2, and the damping piece 2 is arranged between the outer wall of the shaft and the inner wall of the fastener. In some cases, the shaft 16 to be hung and locked is made of rigid material, the fastener is made of rigid material, and the rigid material is difficult to make a surface with a large friction coefficient, so that in order to avoid relative rotation between the shaft 16 to be hung and locked and the fastener, the damping piece 2 is arranged between the outer wall of the shaft 16 to be hung and locked and the inner wall of the fastener, at the moment, friction exists between the outer surface of the damping piece 2 and the inner wall of the fastener, friction exists between the inner surface of the damping piece 2 and the outer wall of the shaft 16 to be hung and locked, and therefore friction between the shaft 16 to be hung and locked and the fastener can be enhanced, and relative rotation between the shaft 16 to be hung and locked and the fastener is guaranteed not to occur.
In this embodiment, the damping member 2 is an integral body, and is also suitable for a short shaft 16 to be hung and locked, and the damping member 2 is sleeved on a hanging point from one end of the shaft 16 to be hung and locked. The damping piece 2 can also be made of elastic material, at this time, when the damping piece 2 is in a natural state, the inner diameter of the damping piece 2 is smaller than the outer diameter of the shaft 16 to be hung and locked, so that when the damping piece 2 is sleeved on the shaft 16 to be hung and locked, a certain pressure is already provided between the damping piece 2 and the shaft 16 to be hung and locked, and the friction between the damping piece 2 and the shaft 16 to be hung and locked can be increased; in addition, when the damping member is used for a shaft 16 to be hung and locked with uneven diameter, the damping member can be always tightly hooped on the outer surface of the shaft 16 to be hung and locked along with the diameter change of the shaft 16 to be hung and locked.
The fastening piece comprises a first fastening piece 1 and a second fastening piece 3, the cross section of the first fastening piece 1 is in a first semicircular shape, and the interface of the second fastening piece 3 is in a second semicircular shape, so that the first fastening piece 1 and the second fastening piece 3 can be butted together, and a circular accommodating space is formed in the center for locking the shaft 16. Under the condition, a hanging point can be found firstly, then the first fastener 1 and the second fastener 3 clamp the shaft 16 to be hung and locked respectively from the upper direction and the lower direction, and the device is not only suitable for the shaft 16 to be hung and locked with shorter length, but also suitable for the shaft 16 to be hung and locked with longer length; is particularly suitable for the situation that the two ends of the shaft 16 to be hung and locked are connected with other objects.
Wherein, one end of the connecting piece 7 is fixedly connected right above the first fastening piece 1. Under the condition, the hanging direction of the shaft 16 to be hung and locked can be ensured to be stable, and the hanging reliability of the shaft 16 to be hung and locked can be ensured.
The shaft hanging and locking device further comprises a damping piece 2, the damping piece 2 comprises a first damping piece and a second damping piece, the first damping piece and the second damping piece can be in butt joint, and an accommodating space is formed in the center and used for locking the shaft. Under the condition, a hanging point can be found firstly, and then the first damping piece and the second damping piece clamp the shaft 16 to be hung and locked respectively from the upper direction and the lower direction, so that the damping device is not only suitable for the shaft 16 to be hung and locked with shorter length, but also suitable for the shaft 16 to be hung and locked with longer length; is particularly suitable for the situation that the two ends of the shaft 16 to be hung and locked are connected with other objects.
Wherein, the damping member 2 is made of rubber material. The rubber has good damping characteristic, can be processed into an elastic structure according to actual needs, and is easy to form.
Wherein, the inner wall of the fastener is provided with a key, and the damping part 2 is provided with a key slot which can be matched with the key; or, the inner wall of the fastener is provided with a key groove, and the damping part 2 is provided with a key groove matched with the key. When not setting up key and keyway, only rely on the friction between damping 2 itself and the fastener between the outer surface of damping 2 and the inner wall of fastener and guarantee that should treat and have not had relative rotation between damping 2 and the fastener, add behind key and the keyway, can guarantee this effect better.
Wherein, the key is selected from one of a flat key, a semicircular key, a wedge key, a tangential key and a spline. Wherein, the flat key, the semicircular key, the wedge key and the tangential key are single keys, thereby ensuring that the damping part 2 and the fastener are fixed in the circumferential direction.
Wherein, the fastener is fixed in the outside of damping part 2 through interference fit's mode. In this case, the circumferential fixing between the damping element 2 and the fastening element can also be ensured, since the interference fit itself represents a relative fixing between the fastening element and the damping element 2.
Referring to fig. 2 and 5, the shaft hanging locking device further comprises a first locking bolt 5 and a first locking nut 9a, one end of the connecting piece 7 is fixedly connected to the fastener, a first through hole 21 is formed in the connecting piece 7, a second through hole (not numbered in the figure) is formed in the fixing frame, and the diameter of the foot of the first locking bolt 9a is smaller than the diameter of the first through hole 21 and the diameter of the second through hole (not numbered in the figure). The diameter of the head of the first locking bolt 5 is larger than that of the first through hole 21, and the outer diameter of the first locking nut 9a is larger than that of the second through hole (not numbered in the figure), which is equivalent to turning the first locking bolt 5 shown in fig. 5 by 180 ° so that the head of the first locking bolt 5 faces the right side and the foot faces the left side; alternatively, the diameter of the head of the first locking bolt 5 is larger than that of the second through hole (not numbered in the figure), and the outer diameter of the first locking nut 9a is larger than that of the first through hole 21, which is exactly the same as the case shown in fig. 5, that is, the head of the first locking bolt 5 faces to the left and the foot of the first locking bolt 5 faces to the right. So that the foot of the first locking bolt 5 passes through the first through hole 21 at the same time, and after the second through hole (not numbered), a first remainder (not numbered) remains for the first locking nut 9a to be screwed thereon.
Wherein the shaft hanging locking device further comprises a second locking nut 9 b. The outer diameter of the second lock nut 9b is larger than the diameter of the second through hole (not numbered in the figure), which is equivalent to turning the first lock bolt 5 shown in fig. 5 by 180 ° so that the head of the first lock bolt 5 faces the right side and the foot faces the left side; alternatively, the outer diameter of the second lock nut 9b is larger than the diameter of the first through hole, which is exactly the same as the case shown in fig. 5, i.e., the head of the first lock bolt 5 faces the left side and the foot faces the right side. So that the second lock nut 9b can also be screwed onto the first remainder. In this case, the first lock nut 9a and the second lock nut 9b are locked to the leg of the first lock bolt 5 at the same time, so that the connection member 7 can be hung on the lock shaft 16 more stably.
As a specific implementation of the fixing frame. The mount includes first channel-section steel 14a, second channel-section steel 14b, third channel-section steel 4, and first channel-section steel 14a and second channel-section steel 14b are equal in height, and the length of third channel-section steel 4 equals the interval between the outside limit of first channel-section steel 14a to the outside limit of second channel-section steel 14b, and the both ends of third channel-section steel 4 are fixed to first channel-section steel 14a and second channel-section steel 14b dorsad respectively on for, third channel-section steel 4 is the horizontal direction setting. In this embodiment, two ends of the third channel steel 4 may be welded to the first channel steel 14a and the second channel steel 14b, respectively. In this embodiment, in order to ensure that the locking shaft 16 to be hung can be hung on the third channel steel 4 better, the distance between the bottom edge of the third channel steel 4 and the ground needs to be greater than the diameter of the shaft 16 to be hung and locked.
Wherein, referring to fig. 5, a gap d2 is formed between the bottom edge of the third channel steel 4 and the top surface of the fastener, so that the bottom edge of the third channel steel 4 cannot interfere with the fastener.
Referring to fig. 5, the shaft hanging and locking device further includes a first spacer 6, the first spacer 6 is provided with a third through hole (not numbered in the drawing), and the diameter of the third through hole (not numbered in the drawing) is larger than that of the leg of the first locking bolt 5, so that the first spacer 6 can be disposed between the first through hole 21 and the second through hole (not numbered in the drawing), in this case, a gap d1 can be formed between the vertical portion of the third channel steel 4 and the connecting member 7, and the third channel steel 4 is prevented from being corroded into a whole under the condition of being contacted with the connecting member 7 for a long time, and the second channel steel is difficult to be separated.
Referring to fig. 5, the shaft hanging locking device further includes a second gasket 8, the second gasket 8 is provided with a fourth through hole (not numbered in the drawing), and the diameter of the fourth through hole (not numbered in the drawing) is larger than that of the leg of the first locking bolt 5, so that the second gasket 8 can be arranged between the first through hole 21 and the first locking nut 9a, and this situation is exactly matched with the situation shown in fig. 5, namely, the head of the first locking bolt 5 faces to the left side, and the leg faces to the right side; alternatively, the second washer 8 may be provided between the second through hole (not shown) and the first lock nut 9a, which corresponds to turning the first lock bolt 5 shown in fig. 5 by 180 ° so that the head of the first lock bolt 5 faces the right side and the foot faces the left side.
Referring to fig. 2, the axle hanger locking device further includes a first engaging lug 18a, a second engaging lug 19a, a third engaging lug 18b, and a fourth engaging lug 19 b. The first connecting lug 18a and the second connecting lug 18b are arranged on the outer sides of two feet of the first fastener 1, the third connecting lug 19a and the fourth connecting lug 19b are arranged on the outer sides of two feet of the second fastener 3, when the first fastener 1 and the second fastener 3 are involuted together, the first connecting lug 18a is connected to the third connecting lug 19a, and the second connecting lug 18b is connected to the fourth connecting lug 19 b. In this case, since the contact area between the first engaging lug 18a and the third engaging lug 19a is large and the contact area between the second engaging lug 18b and the fourth engaging lug 19b is also large, the connection stability between the first fastening member 1 and the second fastening member 3 can be ensured.
Referring to fig. 3 and 4, as a specific connection mode between the first fastening member 1 and the second fastening member 3, the shaft hanger locking device further includes a second locking bolt 10, a third locking nut 11, a third locking bolt (not shown), and a fourth locking nut (not shown). A fifth through hole and a sixth through hole which can penetrate through are arranged at corresponding positions on the first connecting lug 18a and the third connecting lug 19a, and a second remaining part is remained after the second locking bolt 10 simultaneously penetrates through the fifth through hole and the sixth through hole, so that the third locking nut 11 can be screwed on the second remaining part; a seventh through hole and an eighth through hole which can penetrate through are arranged at corresponding positions on the second engaging lug 18b and the fourth engaging lug 19b, and a third remaining part is remained after a third locking bolt (not shown in the figure) simultaneously penetrates through the seventh through hole and the eighth through hole, so that a fourth locking nut (not shown in the figure) can be screwed on the third remaining part. Wherein, the second locking bolt 10 and the third locking bolt (not shown in the figure) can also be in multiple groups, so as to enhance the connection strength between the first fastening piece 1 and the second fastening piece 3.
The shaft hanger locking device further comprises a first washer 12 and a second washer (not shown). A ninth through hole is formed in the first washer 12, and the diameter of the ninth through hole is larger than the diameter of the foot of the second lock bolt 10 and smaller than the outer diameter of the third lock nut 11, so that the first washer 12 can be disposed between the fifth through hole and the third lock nut 11; a tenth through hole is formed in the second washer (not shown), and the diameter of the tenth through hole is larger than the diameter of the leg of the third lock bolt (not shown) and smaller than the outer diameter of the fourth lock nut (not shown), so that the second washer (not shown) can be disposed between the seventh through hole and the fourth lock nut (not shown). The first washer 12 can increase the friction between the third lock nut 11 and the first coupling lug 18a, making the coupling therebetween more reliable; similarly, a second washer (not shown) can increase the friction between the fourth lock nut (not shown) and the second engaging lug 18b, making the connection therebetween more reliable.
The shaft hanging locking device further comprises a first spring washer 13 and a second spring washer (not shown). An eleventh through hole is formed in the first spring washer 13, and the diameter of the eleventh through hole is larger than the diameter of the foot of the second lock bolt 10 and smaller than the outer diameter of the third lock nut 11, so that the first spring washer 13 can be disposed between the fifth through hole and the third lock nut 11; a twelfth through hole is formed in the second spring washer (not shown), and the diameter of the twelfth through hole is larger than the diameter of the foot of the third lock bolt (not shown) and smaller than the outer diameter of the fourth lock nut (not shown), so that the second spring washer (not shown) can be disposed between the seventh through hole and the fourth lock nut (not shown). The first spring washer 13 can further increase the friction between the third lock nut 11 and the first coupling lug 18a, making the coupling therebetween more reliable; likewise, the second spring washer (not shown) can further increase the friction between the fourth lock nut (not shown) and the second engaging lug 18b, making the connection therebetween more reliable.
Referring to fig. 2, the shaft hanging locking device further includes a first reinforcing plate 17a, a second reinforcing plate 17b, a third reinforcing plate 20a, and a fourth reinforcing plate 20 b. The first reinforcement plate 17a is disposed between the first coupling lug 18a and one of the feet of the first fastener 1; the second reinforcing plate 17b is arranged between the second connecting lug 18b and the other foot of the first fastener 1; the third reinforcing plate 20a is disposed between the third engaging lug 19a and one of the feet of the second fastening member 3; the fourth reinforcing plate 20b is disposed between the fourth engaging lug 19b and the other foot of the second fastening member 3. The reinforcing plates are arranged to prevent the connecting lugs from being bent relative to the first fastening piece or the second fastening piece to influence the performance of the connecting lugs.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A shaft hanging locking device is characterized by comprising a fastener, a connecting piece and a fixing frame,
a circular accommodating space is formed in the center of the fastener, so that the accommodating space is used for locking the shaft therein;
one end of the connecting piece is connected with the fastening piece, and the other end of the connecting piece is connected with the fixed frame.
2. The axle hanger locking device of claim 1, wherein one end of the connector is fixedly attached directly above the fastener.
3. The shaft hanger locking device of claim 1, further comprising a damping member disposed between an outer wall of the shaft and an inner wall of the fastener.
4. The shaft hanger locking device of claim 1, wherein the fasteners comprise a first fastener, a second fastener,
the cross section of the first fastener is in a first semicircular shape, and the interface of the second fastener is in a second semicircular shape, so that the first fastener and the second fastener can be butted together, and a circular accommodating space is formed in the center for the shaft to be locked in.
5. The axle hanger locking device of claim 4, wherein one end of the connector is fixedly attached directly above the first fastener.
6. The shaft hanger locking device according to claim 1, further comprising a damping member, wherein the damping member comprises a first damping member and a second damping member, the first damping member and the second damping member can be coupled together, and the receiving space is formed at the center for the shaft to be locked therein.
7. The axle hanging locking device according to claim 4, further comprising a damping member, wherein the damping member comprises a first damping member and a second damping member, the first damping member and the second damping member can be coupled together, and the receiving space is formed at the center for the axle to be locked therein.
8. The shaft hanger locking device of any one of claims 3, 6 and 7 wherein said damping member is made of rubber.
9. The shaft hanger locking device according to any one of claims 3, 6 or 7, wherein a key is provided on an inner wall of the fastener, and a key groove capable of being engaged with the key is provided on the damping member; or, the inner wall of the fastener is provided with a key groove, and the damping piece is provided with a key groove matched with the key.
10. The shaft hanger locking device of claim 9, wherein the key is selected from one of a flat key, a semi-circular key, a wedge key, a tangential key, a spline;
preferably, the fastener is fixed on the outer side of the damping piece in an interference fit mode;
preferably, the shaft hanging locking device further comprises a first locking bolt and a first locking nut, one end of the connecting piece is fixedly connected to the fastener, a first through hole is formed in the connecting piece, a second through hole is formed in the fixing frame, the diameter of the foot part of the first locking bolt is smaller than the diameter of the first through hole and the diameter of the second through hole simultaneously,
the diameter of the head of the first locking bolt is larger than the diameter of the first through hole,
the outer diameter of the first locking nut is larger than the diameter of the second through hole;
or,
the diameter of the head of the first locking bolt is larger than the diameter of the second through hole,
the outer diameter of the first locking nut is larger than the diameter of the first through hole;
so that the user can easily and conveniently select the required position,
the foot part of the first locking bolt simultaneously penetrates through the first through hole, and after the second through hole, a first residual part is still left for the first locking nut to be screwed on;
preferably, the shaft hanger locking device further comprises a second locking nut,
the outer diameter of the second locking nut is larger than the diameter of the second through hole; or the outer diameter of the second locking nut is larger than the diameter of the first through hole;
so that the user can easily and conveniently select the required position,
the second lock nut can also be screwed onto the first remainder;
preferably, the fixing frame comprises a first channel steel, a second channel steel and a third channel steel, the first channel steel and the second channel steel are equal in height, the length of the third channel steel is equal to the distance between the outer side edge of the first channel steel and the outer side edge of the second channel steel, and two ends of the third channel steel are respectively fixed to the first channel steel and the second channel steel in a back-to-back mode, so that the third channel steel is arranged in a horizontal direction;
preferably, a gap is formed between the bottom edge of the third channel steel and the top surface of the fastener, so that the bottom edge of the third channel steel cannot interfere with the fastener;
preferably, the shaft hanging and locking device further comprises a first gasket, a third through hole is formed in the first gasket, and the diameter of the third through hole is larger than that of the leg of the first locking bolt, so that the first gasket can be arranged between the first through hole and the second through hole;
preferably, the shaft hanging and locking device further comprises a second gasket, a fourth through hole is formed in the second gasket, and the diameter of the fourth through hole is larger than that of the leg of the first locking bolt;
so that the user can easily and conveniently select the required position,
the second washer can be disposed between the first through hole and the first lock nut,
or,
the second gasket can be arranged between the second through hole and the first lock nut;
preferably, the shaft hanging locking device further comprises a first connecting lug, a second connecting lug, a third connecting lug and a fourth connecting lug,
the first connecting lug and the second connecting lug are arranged on the outer sides of two feet of the first fastener,
the third connecting lug and the fourth connecting lug are arranged on the outer sides of two feet of the second fastener,
when the first fastener and the second fastener are folded together, the first connecting lug is connected with the third connecting lug, and the second connecting lug is connected with the fourth connecting lug;
preferably, the shaft hanging locking device further comprises a second locking bolt, a third locking nut, a third locking bolt and a fourth locking nut,
a fifth through hole and a sixth through hole which can penetrate through are formed in the corresponding positions of the first connecting lug and the third connecting lug, and a second remaining part is remained after the second locking bolt penetrates through the fifth through hole and the sixth through hole at the same time for the third locking nut to be screwed on;
a seventh through hole and an eighth through hole which can penetrate through the second connecting lug and the fourth connecting lug are arranged at corresponding positions, and a third remaining part is remained after the third locking bolt penetrates through the seventh through hole and the eighth through hole at the same time, so that the fourth locking nut can be screwed onto the third remaining part;
preferably, the shaft hanger locking device further comprises a first washer and a second washer,
a ninth through hole is formed in the first washer, and the diameter of the ninth through hole is larger than that of the foot of the second locking bolt and smaller than that of the third locking nut, so that the first washer can be arranged between the fifth through hole and the third locking nut;
a tenth through hole is formed in the second washer, and the diameter of the tenth through hole is larger than that of the foot of the third locking bolt and smaller than that of the fourth locking nut, so that the second washer can be arranged between the seventh through hole and the fourth locking nut;
preferably, the shaft hanger locking device further comprises a first spring washer and a second spring washer,
an eleventh through hole is formed in the first spring washer, and the diameter of the eleventh through hole is larger than the diameter of the foot of the second locking bolt and smaller than the outer diameter of the third locking nut, so that the first spring washer can be arranged between the fifth through hole and the third locking nut;
a twelfth through hole is formed in the second spring washer, the diameter of the twelfth through hole is larger than that of the foot of the third locking bolt and smaller than that of the outer diameter of the fourth locking nut, and therefore the second spring washer can be arranged between the seventh through hole and the fourth locking nut;
preferably, the shaft hanging and locking device further comprises a first reinforcing plate, a second reinforcing plate, a third reinforcing plate and a fourth reinforcing plate,
the first reinforcing plate is arranged between the first connecting lug and one foot of the first fastener; the second reinforcing plate is arranged between the second connecting lug and the other foot of the first fastener;
the third reinforcing plate is arranged between the third connecting lug and one foot of the second fastener; the fourth reinforcing plate is arranged between the fourth connecting lug and the other foot of the second fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510777618.3A CN105383673B (en) | 2015-11-13 | 2015-11-13 | Axis hangs locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510777618.3A CN105383673B (en) | 2015-11-13 | 2015-11-13 | Axis hangs locking device |
Publications (2)
| Publication Number | Publication Date |
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| CN105383673A true CN105383673A (en) | 2016-03-09 |
| CN105383673B CN105383673B (en) | 2019-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510777618.3A Active CN105383673B (en) | 2015-11-13 | 2015-11-13 | Axis hangs locking device |
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| CN (1) | CN105383673B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107380392A (en) * | 2017-07-21 | 2017-11-24 | 苏州飞驰环保科技股份有限公司 | The locking device of stern tube shaft after a kind of ship is stopped |
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| US5906523A (en) * | 1997-08-14 | 1999-05-25 | Thordon Bearings Inc. | Intermediate marine bearing with itegrated alignment system |
| KR20090018274A (en) * | 2007-08-17 | 2009-02-20 | 삼성중공업 주식회사 | Apparatus for rapid stoping a drive shaft of a vessel |
| KR20090002636U (en) * | 2007-09-12 | 2009-03-17 | 대우조선해양 주식회사 | Disc type shaft locking apparatus |
| CN103895811A (en) * | 2012-12-31 | 2014-07-02 | 中船澄西船舶修造有限公司 | Rotation-preventing device of ship launching screw shaft |
| CN203780789U (en) * | 2013-12-27 | 2014-08-20 | 浙江造船有限公司 | Simple stern push locking device |
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2015
- 2015-11-13 CN CN201510777618.3A patent/CN105383673B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5906523A (en) * | 1997-08-14 | 1999-05-25 | Thordon Bearings Inc. | Intermediate marine bearing with itegrated alignment system |
| KR20090018274A (en) * | 2007-08-17 | 2009-02-20 | 삼성중공업 주식회사 | Apparatus for rapid stoping a drive shaft of a vessel |
| KR20090002636U (en) * | 2007-09-12 | 2009-03-17 | 대우조선해양 주식회사 | Disc type shaft locking apparatus |
| CN103895811A (en) * | 2012-12-31 | 2014-07-02 | 中船澄西船舶修造有限公司 | Rotation-preventing device of ship launching screw shaft |
| CN203780789U (en) * | 2013-12-27 | 2014-08-20 | 浙江造船有限公司 | Simple stern push locking device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107380392A (en) * | 2017-07-21 | 2017-11-24 | 苏州飞驰环保科技股份有限公司 | The locking device of stern tube shaft after a kind of ship is stopped |
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| Publication number | Publication date |
|---|---|
| CN105383673B (en) | 2019-08-20 |
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