CN210528232U - Tool for hoisting and turning over cylinder block - Google Patents
Tool for hoisting and turning over cylinder block Download PDFInfo
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- CN210528232U CN210528232U CN201921319609.XU CN201921319609U CN210528232U CN 210528232 U CN210528232 U CN 210528232U CN 201921319609 U CN201921319609 U CN 201921319609U CN 210528232 U CN210528232 U CN 210528232U
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- lifting lug
- curved surface
- arc curved
- cylinder block
- lug bolt
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Abstract
A tool for hoisting and turning over an air cylinder body comprises two first lifting lug assemblies and two second lifting lug assemblies, wherein the two first lifting lug assemblies and the two second lifting lug assemblies are respectively connected in through screw holes at two opposite corners on the air cylinder body; the upper surfaces of the first arc curved surface gasket and the second arc curved surface gasket are respectively an arc curved surface and a mirror arc curved surface, the arc curved surface and the mirror arc curved surface are in mirror symmetry and are in contact with the inner surface of the connected through screw hole in a matching manner. The utility model discloses the potential safety hazard has been eliminated for the operation is safer. On the other hand, the labor intensity of operators is reduced, the production efficiency is improved, and the device has the advantages of simple structure, simplicity and convenience in operation, safety, reliability and convenience in maintenance.
Description
Technical Field
The utility model relates to a large-scale component lifts by crane and uses frock, in particular to a handling that is used for the cylinder block of large-scale low-speed diesel engine and stands up frock belongs to jack-up technical field.
Background
For the hoisting of the middle cylinder (about 30 tons) of the cylinder block of the large-sized low-speed diesel engine, a special hoisting and turning tool for rapid positioning and loading and unloading does not exist at present, and the traditional hoisting method (shown in figure 1) used at present is to hoist a steel wire rope A by penetrating through waist-shaped door frames on the exhaust side and the cam side of the cylinder block C. When the cylinder body C is lifted, the steel wire rope A is extruded and sheared with a right angle of the waist-shaped door frame surface under the action of the gravity of the cylinder body C, the steel wire rope A is sheared due to the action of the shearing force for a long time, in addition, the steel wire rope A is easy to bend and deform under the action of the gravity of the cylinder body C in the lifting process, so that the service life of the steel wire rope A is influenced, meanwhile, in the lifting and turning-over operation process, a lifter easily causes the relative sliding and shaking of the cylinder body C and the steel wire rope A due to the large mass and unstable gravity of the cylinder body C (the gravity is located at the upper part of the cylinder body C), the potential safety hazard exists, the lifting operation labor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is, break through the handling technique of traditional large-scale diesel engine cylinder block middle cylinder, provide a simple, high-efficient, safe frock that is used for the handling of cylinder block and stands up, avoid the effect of the right angle department direct contact extrusion of wire rope and cylinder block waist type door frame and bear the shearing force at the handling in-process, avoid wire rope bending deformation and relative slip, also reduce the cylinder block and rock because of the focus is unstable, reach application scope extensively, easy and simple to handle, safe and reliable, laborsaving efficient effect.
In order to achieve the above object, the technical solution of the present invention is as follows:
the utility model provides a frock for cylinder block handling and stand up, install in 4 through-screw holes of cylinder block, its characterized in that: the tool comprises two first lifting lug assemblies and two second lifting lug assemblies, the two first lifting lug assemblies are respectively connected into two through screw holes at one diagonal of the cylinder block, each first lifting lug assembly comprises a lifting lug bolt, a first arc curved surface gasket and a nut, the lifting lug bolt penetrates through the through screw holes, the lower end face of the head of the lifting lug bolt is tightly attached to the upper plane of the cylinder block, the first arc curved surface gasket is sleeved on the lifting lug bolt, and the nut is screwed on the thread at the lower end of the lifting lug bolt; the two second lifting lug assemblies are respectively connected into two through screw holes at the other diagonal angle on the cylinder body, each second lifting lug assembly comprises a lifting lug bolt, a second arc curved surface gasket and a nut, the lifting lug bolt penetrates through the through screw holes, the lower end face of the head of the lifting lug bolt is tightly attached to the upper plane of the cylinder body, the second arc curved surface gasket is sleeved on the lifting lug bolt, and the nut is screwed on the thread at the lower end of the lifting lug bolt; the upper surface of the first circular arc curved surface gasket is a circular arc curved surface which is in contact with the inner surface of the connected through screw hole in an inosculating manner, the upper surface of the second circular arc curved surface gasket is a mirror image circular arc curved surface which is in contact with the inner surface of the connected through screw hole in an inosculating manner and has a mirror image symmetry with the circular arc curved surface.
Further, the axis of the lug bolt is perpendicular to the upper plane of the cylinder block.
Furthermore, the head of the lifting lug bolt is provided with a lifting hole for connecting a shackle, and a pin of the shackle penetrates through the lifting hole.
Further, when the upper plane of the cylinder block is positioned at an inverted position downwards, the first arc curved surface gasket is sleeved on the lifting lug bolt in a manner that an arc curved surface is inverted downwards so as to enable the arc curved surface to be in contact with the inner surface of the through screw hole in an inosculating manner, and the second arc curved surface gasket is sleeved on the lifting lug bolt in a manner that a mirror image arc curved surface is inverted downwards so as to enable the mirror image arc curved surface to be in contact with the inner surface of the through screw hole in an inosculating manner.
The utility model discloses utilize the through screw hole on the cylinder block as hoisting point, the lug bolt is directly connected with wire rope through the pin of breaking out, carries out the handling again or stands up the operation.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the direct contact between the steel wire rope and the cylinder body is avoided, so that the potential safety hazard that the steel wire rope is sheared due to the shearing force is avoided, the service life of the steel wire rope is prolonged, the bending deformation and the relative sliding of the steel wire rope are reduced, and the effect of improving the operation safety is achieved.
2) The utility model discloses can fixed connection in the through screw hole on cylinder block upper portion, the position can both be used with the position of putting upside down to the cylinder block just putting the utility model discloses carry out the handling or stand up the operation, therefore the commonality is strong, can be suitable for the handling of the large-scale diesel engine cylinder block middle cylinder of various models and stand up the operation.
3) The utility model discloses an arc curved surface of arc curved surface packing ring is processed the preparation according to the internal surface of through screw hole, can be fully coincide with this through screw hole, makes the gravity of cylinder block act on average in the frock, avoided the cylinder block to rock because of the focus is unstable, reached the steady effect of handling.
4) An operator only needs to install and fix the tool on the through screw hole of the cylinder body, and then the steel wire rope is installed on the lifting lug bolt through the shackle, so that the operation is simple and convenient, the labor intensity is reduced, the operation condition is improved, and the production efficiency is improved.
5) The utility model discloses simple structure, safe and reliable does benefit to the maintenance.
Drawings
Fig. 1 is a schematic view of a conventional lifting state.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is one of the installation diagrams of the present invention.
Fig. 4 is an enlarged view of a portion E of fig. 3.
Fig. 5 is an exploded view of fig. 4.
Fig. 6 is a second schematic view of the installation of the present invention.
Fig. 7 is an enlarged view of a portion F of fig. 6.
Fig. 8 is a lifting state diagram with the cylinder block being set.
Fig. 9 is a lifting state diagram of the cylinder block being laid upside down.
Fig. 10 is one of the schematic views of the turning over operation.
Fig. 11 is a second schematic diagram of the turning over operation.
In the figure:
a-steel wire rope, B1-first lifting lug assembly, B2-second lifting lug assembly, C-cylinder body, 1-lifting lug bolt, 2A-first arc curved surface gasket, 2B-second arc curved surface gasket, 2A 1-arc curved surface, 2B 1-mirror image arc curved surface, 3-nut, 4-through screw hole and 5-shackle.
Detailed Description
The utility model is used for the handling of the cylinder block of large-scale low-speed diesel engine with stand up, it utilizes the through screw hole on the cylinder block as direct hoist and mount point. The inner surface of the through screw hole is an arc curved surface, a common flat gasket is difficult to use, the processing technology of the arc curved surface is very mature along with the progress of the numerical control processing technology, and the processing of the complex arc curved surface which cannot be processed before is not a problem at present. Therefore, the gasket with the arc curved surface can be designed and manufactured according to the through screw hole of the cylinder body and the arc curved surface in the through screw hole, so that the arc curved surface of the gasket is perfectly attached to the arc curved surface in the through screw hole, and the lifting and turning tool is formed by the lifting lug bolt and the nut and used for lifting and turning over.
The present invention will be described in further detail with reference to the following drawings and specific examples, which should not be construed as limiting the scope of the present invention.
Referring to fig. 2, the utility model discloses a schematic structural diagram, the frock that is used for cylinder block handling and stands up is shown to include two first lug assemblies and two second lug assemblies, refer to fig. 8, two first lug assemblies B1 are connected respectively in two through screw holes 4 of a diagonal angle on cylinder block C, two second lug assemblies B2 are connected respectively in two through screw holes 4 of another diagonal angle on cylinder block C.
Referring to fig. 2, the first shackle assembly B1 includes a shackle bolt 1, a first circular-arc curved washer 2A, and a nut 3. The lifting lug bolt 1 is arranged in the through screw hole 4 in a penetrating way, the lower end face of the head of the lifting lug bolt is tightly attached to the upper plane of the cylinder body C, the axis of the lifting lug bolt 1 is vertical to the upper plane of the cylinder body C, the head of the lifting lug bolt 1 is flat, a hanging hole used for connecting a shackle 5 is formed in the middle of the lifting lug bolt, and a pin of the shackle 5 penetrates into the hanging hole. The first arc curved surface washer 2A is sleeved on the lifting lug bolt 1, and the nut 3 is screwed on the thread at the lower end of the lifting lug bolt 1. Referring to fig. 2, the first shackle assembly B1 includes a shackle bolt 1, a second circular-arc curved washer 2B, and a nut 3. Referring to fig. 3, 4 and 5, the shackle bolt 1 is inserted into the through screw hole 4, the lower end surface of the head of the shackle bolt 1 is closely attached to the upper plane of the cylinder block C, the axis of the shackle bolt 1 is perpendicular to the upper plane of the cylinder block C, the head of the shackle bolt 1 is flat, a hanging hole for connecting a shackle 5 is formed in the middle of the shackle bolt, and a pin of the shackle 5 is inserted into the hanging hole. The second arc curved surface washer 2B is sleeved on the lifting lug bolt 1, and the nut 3 is screwed on the thread at the lower end of the lifting lug bolt 1.
Referring to fig. 2, the upper surface of the first circular arc gasket 2A is a circular arc 2A1, and the circular arc 2A1 is in contact with the inner surface of the connected through screw hole 4; the upper surface of the second circular arc curved surface gasket 2B is a mirror image circular arc curved surface 2B1, and the shape of the mirror image circular arc curved surface 2B1 is mirror image symmetry with the circular arc curved surface 2a1, and is in contact with the inner surface of the connected through screw hole 4 in a matching manner.
The utility model discloses a use as follows:
when the upper plane of the cylinder block is upward in the upright position, see fig. 8, the two first shackle assemblies B1 are respectively connected to two through screw holes 4 at one diagonal of the cylinder block C, and the two second shackle assemblies B2 are respectively connected to two through screw holes 4 at the other diagonal of the cylinder block C. Referring to fig. 3, 4 and 5, the lifting lug bolt 1 passes through the through screw hole 4 of the cylinder block C and the hole of the first circular arc curved washer 2A or the second circular arc curved washer 2B, the end surface of the head of the lifting lug bolt 1 contacts with the upper plane of the cylinder block C, one end surface of the nut 3 contacts with the flat end surface of the first circular arc curved washer 2A or the second circular arc curved washer 2B, the circular arc curved surface 2A1 and the mirror circular arc curved surface 2B1 are in fit contact with the inner surface of the connected through screw hole 4, the nut 3 is screwed, the first lifting lug assembly B1 and the second lifting lug assembly B2 are integrated with the cylinder block C, the shackle 5 is mounted on the circular hole of the lifting lug bolt 1 and connected with the wire rope a, and then the gas cylinder block is lifted or turned over.
When the cylinder block C is placed upside down on the sleeper, the through screw hole 4 is turned to the lower part and the upper plane is downward, and the first shackle assembly B1 and the second shackle assembly B2 are similarly installed, please refer to fig. 9, except that the first circular arc curved surface washer 2A is fitted upside down on the shackle bolt 1 with a circular arc curved surface 2A1, so that the circular arc curved surface 2A1 is in fitted contact with the inner surface of the through screw hole 4; the second circular arc curved surface washer 2B is inversely sleeved on the lifting lug bolt 1 with a mirror image circular arc curved surface 2B1 downward, so that the mirror image circular arc curved surface 2B1 is in fit contact with the inner surface of the through screw hole 4, please refer to fig. 6 and fig. 7 in combination, and then the cylinder block hoisting or turning operation is performed.
When the cylinder body C needs to be turned over, the cylinder body C is lifted to form an angle with the ground according to the graph shown in the figure 10 and the graph shown in the figure 11, and then the steel wire rope A is gradually loosened.
Adopt the utility model discloses afterwards, obviously reduced operator's intensity of labour on the one hand, on the other hand has improved production efficiency for the operation is safer, has eliminated the potential safety hazard, has solved the quick location handling of cylinder block, has stood up the problem.
The claimed invention is not limited to the above embodiments, but also includes other obvious changes and alternatives, all according to the equivalent changes and modifications of the present invention, all belonging to the scope of the present invention.
Claims (4)
1. The utility model provides a frock for cylinder block handling and stand up, install in 4 through-screw holes of cylinder block, its characterized in that: the tool comprises two first lifting lug assemblies and two second lifting lug assemblies, the two first lifting lug assemblies are respectively connected into two through screw holes at one diagonal of the cylinder block, each first lifting lug assembly comprises a lifting lug bolt, a first arc curved surface gasket and a nut, the lifting lug bolt penetrates through the through screw holes, the lower end face of the head of the lifting lug bolt is tightly attached to the upper plane of the cylinder block, the first arc curved surface gasket is sleeved on the lifting lug bolt, and the nut is screwed on the thread at the lower end of the lifting lug bolt; the two second lifting lug assemblies are respectively connected into two through screw holes at the other diagonal angle on the cylinder body, each second lifting lug assembly comprises a lifting lug bolt, a second arc curved surface gasket and a nut, the lifting lug bolt penetrates through the through screw holes, the lower end face of the head of the lifting lug bolt is tightly attached to the upper plane of the cylinder body, the second arc curved surface gasket is sleeved on the lifting lug bolt, and the nut is screwed on the thread at the lower end of the lifting lug bolt; the upper surface of the first circular arc curved surface gasket is a circular arc curved surface which is in contact with the inner surface of the connected through screw hole in an inosculating manner, the upper surface of the second circular arc curved surface gasket is a mirror image circular arc curved surface which is in contact with the inner surface of the connected through screw hole in an inosculating manner and has a mirror image symmetry with the circular arc curved surface.
2. The tool for hoisting and turning over the cylinder block according to claim 1, which is characterized in that: the axis of the lifting lug bolt is vertical to the upper plane of the cylinder block.
3. The tool for hoisting and turning over the cylinder block according to claim 1, which is characterized in that: the head of the lifting lug bolt is provided with a lifting hole for connecting a shackle, and a pin of the shackle penetrates through the lifting hole.
4. The tool for hoisting and turning over the cylinder block according to claim 1, which is characterized in that: when the upper plane of the cylinder block is positioned at an inverted position downwards, the first arc curved surface gasket is sleeved on the lifting lug bolt in a manner of inverting the arc curved surface downwards so as to enable the arc curved surface to be in contact with the inner surface of the through screw hole in an inosculating manner, and the second arc curved surface gasket is sleeved on the lifting lug bolt in a manner of inverting the mirror image arc curved surface downwards so as to enable the mirror image arc curved surface to be in contact with the inner surface of the through screw hole in an inosculating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921319609.XU CN210528232U (en) | 2019-08-15 | 2019-08-15 | Tool for hoisting and turning over cylinder block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921319609.XU CN210528232U (en) | 2019-08-15 | 2019-08-15 | Tool for hoisting and turning over cylinder block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210528232U true CN210528232U (en) | 2020-05-15 |
Family
ID=70601594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921319609.XU Active CN210528232U (en) | 2019-08-15 | 2019-08-15 | Tool for hoisting and turning over cylinder block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210528232U (en) |
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2019
- 2019-08-15 CN CN201921319609.XU patent/CN210528232U/en active Active
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