CN218341997U - Height-adjustable main bearing cap supporting and lifting tool - Google Patents
Height-adjustable main bearing cap supporting and lifting tool Download PDFInfo
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- CN218341997U CN218341997U CN202222809505.5U CN202222809505U CN218341997U CN 218341997 U CN218341997 U CN 218341997U CN 202222809505 U CN202222809505 U CN 202222809505U CN 218341997 U CN218341997 U CN 218341997U
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- lifting
- rod
- main bearing
- pull rod
- elevating gear
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Abstract
The utility model discloses a but height-adjusting's main bearing cap supports lift frock relates to the diesel engine and maintains technical field, the utility model discloses a cut formula elevating gear, the middle part of cutting formula elevating gear is provided with the lifting pull rod, lifting pull rod telescopic control cuts formula elevating gear and rises or descends, the top of cutting formula elevating gear is fixed with the tile lid tray, the bottom of cutting formula elevating gear is still vertical to be provided with high adjusting screw to be connected with the backup pad through high adjusting screw. The utility model discloses a rotatory lifting pull rod just can control and cut formula elevating gear and go up and down, realizes installing in dismantling of diesel engine main bearing cap, improves maintenance efficiency.
Description
Technical Field
The utility model relates to a diesel engine maintains technical field, but especially a height-adjusting's main bearing cap supports lift frock.
Background
The crankshaft main bearing bush is used as an important connecting part of a crankshaft and a machine body of a diesel engine, the crankshaft main bearing bush bears high-speed rotation and extrusion of the crankshaft, after the trial run of the diesel engine is finished or the diesel engine runs for a long time, the running state of the main bearing bush needs to be checked, a common method is that after the machine runs, a main bearing cover of the machine body is detached, the main bearing bush contacting with the main bearing cover is checked, and if the main bearing bush contacting with the machine body needs to be checked, the crankshaft is detached to check the main bearing bush connected with the machine body.
The main bearing cap of some diesel engines on the market belongs to the hanging-upside down structure, inside the organism of diesel engine, and the diesel engine inner space is narrow and small, main bearing cap weight is heavy, when the diesel engine main shaft tile need overhaul and change, because the organism inner space restriction of diesel engine, the reason of main bearing cap position and weight, unable direct hand support lift main bearing cap, so, need a frock effect to support the main bearing cap and accomplish the change and the installation to the main shaft tile through altitude mixture control in the diesel engine oil drain pan.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a but height-adjusting's main bearing cap supports lift frock, cuts formula elevating gear height-adjusting through the flexible control of lift pull rod and supports the main bearing cap, overhauls and changes the main shaft tile to it is little to solve diesel engine inner space among the background art, and main bearing cap weight is heavy, causes the inconvenient problem of changing and installing of main shaft tile.
The utility model adopts the technical scheme as follows:
the utility model relates to a but height-adjusting's main bearing cap supports lift frock, including cutting formula elevating gear, the middle part of cutting formula elevating gear is provided with the lift pull rod, lift pull rod telescopic control cuts formula elevating gear and rises or descend, the top of cutting formula elevating gear is fixed with the tile lid tray, the bottom of cutting formula elevating gear is the vertical height adjusting screw that is provided with still to be connected with the backup pad through height adjusting screw.
Furthermore, the lifting pull rod is a threaded rod, and a handle is arranged at one end of the lifting pull rod.
Furthermore, the scissor type lifting device comprises 4 lifting rods with equal length, a rotating sleeve, a moving sleeve, a top connecting piece and a bottom connecting piece, wherein the 4 lifting rods are respectively a first lifting rod, a second lifting rod, a third lifting rod and a fourth lifting rod, one ends of the first lifting rod and the second lifting rod are hinged with the outside of the rotating sleeve, the other end of the first lifting rod is hinged with the top connecting piece, and the other end of the second lifting rod is hinged with the bottom connecting piece; one end of each of the third lifting rod and the fourth lifting rod is hinged with the outer portion of the corresponding movable sleeve, the other end of each of the third lifting rod and the fourth lifting rod is hinged with the top of the corresponding movable sleeve, the other end of each of the third lifting rod and the fourth lifting rod is hinged with the bottom connecting piece, the movable sleeves and the rotating sleeves are sleeved on the lifting pull rods, the lifting pull rods rotate in the rotating sleeves, and the movable sleeves axially move on the lifting pull rods.
Furthermore, the moving sleeve is arranged at one end, close to the handle, of the lifting pull rod, a blocking piece is arranged at the joint of the handle and the lifting pull rod, and the area of the blocking piece is larger than the cross-sectional area of the moving sleeve.
Furthermore, a supporting column is further fixed on the top connecting piece, and the middle of the tile cover tray is fixed at the top of the supporting column.
Furthermore, the two sides of the bottom connecting piece extend to form support lugs, height adjusting screws in the vertical direction are arranged on the two support lugs, the height adjusting screws are fixedly connected with the supporting plate and the support lugs, and nuts are arranged between the supporting plate and the support lugs and used for fixing the relative positions of the supporting plate and the support lugs.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model relates to a but height-adjusting's main bearing cap supports lift frock only needs rotatory to the little space of lift pull rod, just can be through cutting the lift on a large scale of formula elevating gear, realizes installing in dismantling of main bearing cap, is applicable to the inside narrow environment of diesel engine, has reached high efficiency, laborsaving, safety and the purpose of raising the efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:
fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a front view of the present invention.
The reference numbers illustrate: 1-scissor type lifting device, 11-rotating sleeve, 12-moving sleeve, 13-top connecting piece, 14-bottom connecting piece, 141-support lug, 15-first lifting rod, 16-second lifting rod, 17-third lifting rod, 18-fourth lifting rod, 2-lifting pull rod, 21-handle, 22-baffle plate, 3-clamp, 4-height adjusting screw, 5-support plate, 6-support column, 7-nut and 8-main bearing cap.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
It is to be understood that the terms "upper", "lower", "left", "right", and the like, are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The features and properties of the present invention will be described in further detail with reference to the following examples.
Example one
As shown in fig. 1-2, a height-adjustable main bearing cap supporting lifting tool comprises a scissor type lifting device 1, wherein a lifting pull rod 2 is arranged in the middle of the scissor type lifting device 1, the lifting pull rod 2 telescopically controls the scissor type lifting device 1 to ascend or descend, a tile cap tray 3 is fixed on the top of the scissor type lifting device 1, a height adjusting screw 4 is vertically arranged at the bottom of the scissor type lifting device 1, and the scissor type lifting device is connected with a supporting plate 5 through the height adjusting screw 4.
In the utility model, through the flexible rising and decline of formula elevating gear 1 of controlling of lift pull rod 2, the height of whole device of regulation control, the bottom of formula elevating gear 1 is vertically provided with height adjusting screw 4, and height adjusting screw 4 is connected with backup pad 5, and the oil pan depth of different diesel engine models is different, can adjust height adjusting screw 4 according to the depth of the oil pan of diesel engine, makes the utility model discloses a frock is applicable to the diesel engine of different models, and the top of formula elevating gear 1 is fixed with tile lid tray 3, and tile lid tray 3 matches main bearing cap 8, and lift pull rod 2 is relative to cut formula elevating gear 1 extension, can rise and cut formula elevating gear 1, and tile lid tray 3 arrives under main bearing cap 8, and tile lid tray 3 fully contacts main bearing cap 8, can lift main bearing cap 8 off; the lifting pull rod 2 is shortened relative to the shear type lifting device 1, the shear type lifting device 1 can descend, the tile cover tray 3 descends together with the disassembled main bearing cover 8, and the main bearing tile is convenient to overhaul and replace.
Example two
This embodiment is a further explanation of the present invention.
On the basis of the above embodiment, in a preferred embodiment of the present invention, the lifting rod 2 is a threaded rod, and a handle 21 is disposed at one end of the lifting rod 2.
As shown in fig. 1-2, the scissor lift device 1 includes 4 lift rods with equal length, a rotating sleeve 11, a moving sleeve 12, a top connecting member 13, and a bottom connecting member 14,4, where the lift rods are a first lift rod 15, a second lift rod 16, a third lift rod 17, and a fourth lift rod 18, respectively, one end of each of the first lift rod 15 and the second lift rod 16 is hinged to the outside of the rotating sleeve 11, the other end of the first lift rod 15 is hinged to the top connecting member 13, and the other end of the second lift rod 16 is hinged to the bottom connecting member 14; one end of a third lifting rod 17 and one end of a fourth lifting rod 18 are hinged with the outside of the movable sleeve, the other end of the third lifting rod 17 is hinged with the top connecting part 13, the other end of the fourth lifting rod 18 is hinged with the bottom connecting part 14, the rotary sleeve 11 and the movable sleeve 12 are both sleeved on the lifting pull rod 2, the lifting pull rod 2 rotates in the rotary sleeve 11, and the movable sleeve 12 axially moves on the lifting pull rod 2.
In this embodiment, the lengths of the 4 lifting rods are equal, the 4 lifting rods are connected in pairs through the rotating sleeve 11, the moving sleeve 12, the top connecting piece 13 and the bottom connecting piece 14 to form a quadrilateral, the lifting rod 2 is a threaded rod and has an external thread, the moving sleeve 12 has an internal thread matched with the external thread, the rotating sleeve 11 is sleeved at one end of the lifting rod 2, the moving sleeve 12 is in threaded connection with the lifting rod 2 and is arranged at the other end of the lifting rod 2, namely, the rotating sleeve 11 and the moving sleeve 12 are arranged on opposite corners of the quadrilateral, when the lifting rod 2 rotates, the scissor type lifting device 1 can be controlled to rise and fall, the handle 21 is arranged at one end of the lifting rod 2 close to the moving sleeve 12, and a worker can conveniently operate the lifting rod 2.
EXAMPLE III
This embodiment is a further explanation of the present invention.
As shown in fig. 1-2, in this embodiment, on the basis of the above embodiment, in a preferred embodiment of the present invention, the movable sleeve 12 is disposed at one end of the lifting rod 2 close to the handle 21, and a blocking piece 22 is disposed at a connection position of the handle 21 and the lifting rod 2, and an area of the blocking piece 22 is larger than a cross-sectional area of the movable sleeve 12.
In this embodiment, with the above structure, the stop piece 22 limits the moving distance of the moving sleeve 12, so as to prevent the moving sleeve 12 from separating from the lifting rod 2 after the lifting rod 2 rotates too much.
Example four
This embodiment is a further explanation of the present invention.
As shown in fig. 2, in this embodiment, on the basis of the above embodiment, in a preferred embodiment of the present invention, a supporting column 6 is further fixed on the top connecting member 13, and the middle portion of the tile cover tray 3 is fixed on the top of the supporting column 6.
In the embodiment, the structure is adopted, and the tile cover tray 3 is fixed on the top of the scissor type lifting device 1 through the support column 6.
EXAMPLE five
This embodiment is a further explanation of the present invention.
As shown in fig. 1-2, in the present embodiment, on the basis of the above embodiment, in a preferred embodiment of the present invention, the bottom connecting member 14 has supporting lugs 141 extending from both sides thereof, the two supporting lugs 141 are provided with height adjusting screws 4 in the vertical direction, the height adjusting screws 4 are fixedly connected to the supporting plate 5 and the supporting lugs 141, and nuts 7 are provided between the supporting plate 5 and the supporting lugs 141 for fixing the relative positions of the supporting plate 5 and the supporting lugs 141.
In this embodiment, the upper end of the height adjusting screw 4 is connected to the lug 141, the lower end of the height adjusting screw 4 is connected to the support plate 5, the distance between the connecting member 14 and the support plate 5 is adjusted by the height adjusting screw 4, and the height adjusting screw is fixed by the nut 7.
The utility model discloses a concrete operation does:
(1) Lowering main bearing bush cap
Firstly, adjusting a height adjusting screw 4 according to the depth of an oil pan of a diesel engine, and determining the height position of the shear type lifting device 1 adjusted by the height adjusting screw 4;
then, the lifting pull rod 2 is rotated clockwise to raise the shear type lifting device 1 until the tile cover tray 3 fully contacts the bottom surface of the main bearing cover 8, then the main bearing nut is disassembled to enable the main bearing cover 8 to be in a free state and only supported by the tile cover tray 3, then the lifting pull rod 2 is rotated anticlockwise to slowly lower the shear type lifting device 1, the main bearing cover 8 synchronously and slowly descends along with the tile cover tray 3 by means of self gravity, a certain position is reached, and the space for replacing or maintaining a main shaft and a lower tile can be used for checking or maintaining.
(2) Raising main bearing shoe cap
After the main shaft tile and the tile cover are replaced or maintained, the shear type lifting device 1 is lifted by clockwise rotating the lifting pull rod 2 until the main bearing cover 8 enters the main bearing seat and is reset to the original position, the main bearing nut is arranged to fix and support the main bearing cover 8, and then the lifting pull rod 2 is rotated anticlockwise to slowly lower the shear type lifting device 1, so that the tile cover tray 3 is separated from the lower end face of the main bearing cover 8.
The lifting work of the main bearing cap 8 is completed, the whole lifting device is taken out, and the fastening work of the main bearing cap 8 is carried out.
The utility model discloses a rotating lifting pull rod 2 changes into the rising and the reduction of cutting formula elevating gear 1, accomplishes the lift of main bearing cap 8, the utility model discloses only need rotatory to lifting pull rod 2's little space, just can realize installing in dismantling of main bearing cap 8 through cutting formula elevating gear 1 to and lift on a large scale, be applicable to the inside constrictive environment of diesel engine, reached high-efficient, laborsaving, safe and the purpose of raising the efficiency.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can be covered by the present invention without any changes or substitutions that are thought by the inventive idea in the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a but height-adjusting's main bearing cap supports lift frock which characterized in that: including cutting formula elevating gear (1), the middle part of cutting formula elevating gear (1) is provided with lift pull rod (2), lift pull rod (2) telescopic control cuts formula elevating gear (1) and rises or descends, the top of cutting formula elevating gear (1) is fixed with tile lid tray (3), the bottom of cutting formula elevating gear (1) still vertically is provided with height adjusting screw (4) to be connected with backup pad (5) through height adjusting screw (4).
2. The height-adjustable main bearing cap support lifting tool according to claim 1, wherein: the lifting pull rod (2) is a threaded rod, and one end of the lifting pull rod (2) is provided with a handle (21).
3. The height-adjustable main bearing cap support lifting tool according to claim 2, wherein: the scissor type lifting device (1) comprises 4 lifting rods with equal length, a rotating sleeve (11), a moving sleeve (12), a top connecting piece (13) and a bottom connecting piece (14), wherein the 4 lifting rods are respectively a first lifting rod (15), a second lifting rod (16), a third lifting rod (17) and a fourth lifting rod (18), one ends of the first lifting rod (15) and the second lifting rod (16) are hinged with the outside of the rotating sleeve (11), the other end of the first lifting rod (15) is hinged with the top connecting piece (13), and the other end of the second lifting rod (16) is hinged with the bottom connecting piece (14); one end of a third lifting rod (17) and one end of a fourth lifting rod (18) are hinged with the outside of the movable sleeve, the other end of the third lifting rod (17) is hinged with a top connecting piece (13), the other end of the fourth lifting rod (18) is hinged with a bottom connecting piece (14), the movable sleeve (11) and the movable sleeve (12) are sleeved on the lifting pull rod (2), the lifting pull rod (2) rotates in the movable sleeve (11), and the movable sleeve (12) axially moves on the lifting pull rod (2).
4. The adjustable height main bearing cap support lifting tool of claim 3, wherein: the movable sleeve (12) is arranged at one end, close to the handle (21), of the lifting pull rod (2), a blocking piece (22) is arranged at the connecting position of the handle (21) and the lifting pull rod (2), and the area of the blocking piece (22) is larger than the cross-sectional area of the movable sleeve (12).
5. The height-adjustable main bearing cap support lifting tool according to claim 3, wherein: bottom connecting piece (14) both sides extend there are journal stirrup (141), be provided with height adjusting screw (4) of vertical direction on two journal stirrups (141), height adjusting screw (4) fixed connection backup pad (5) and journal stirrup (141) to, be provided with nut (7) between backup pad (5) and journal stirrup (141) for the relative position of fixed support backup pad (5) and journal stirrup (141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222809505.5U CN218341997U (en) | 2022-10-25 | 2022-10-25 | Height-adjustable main bearing cap supporting and lifting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222809505.5U CN218341997U (en) | 2022-10-25 | 2022-10-25 | Height-adjustable main bearing cap supporting and lifting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218341997U true CN218341997U (en) | 2023-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222809505.5U Active CN218341997U (en) | 2022-10-25 | 2022-10-25 | Height-adjustable main bearing cap supporting and lifting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218341997U (en) |
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2022
- 2022-10-25 CN CN202222809505.5U patent/CN218341997U/en active Active
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