CN217668130U - Annular workpiece dismounting tool with stepped holes - Google Patents
Annular workpiece dismounting tool with stepped holes Download PDFInfo
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- CN217668130U CN217668130U CN202221767019.5U CN202221767019U CN217668130U CN 217668130 U CN217668130 U CN 217668130U CN 202221767019 U CN202221767019 U CN 202221767019U CN 217668130 U CN217668130 U CN 217668130U
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- pull rod
- ring
- clamping jaw
- guide ring
- positioning ring
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Abstract
The utility model discloses a disassembly and assembly tool for annular workpieces with stepped holes, which comprises a pull rod, a positioning ring, a clamping jaw, a guide ring and a lifting ring nut; the positioning ring is sleeved on the pull rod and can freely move along the axial direction of the pull rod; the clamping jaw is arranged in the opening of the positioning ring, the top of the clamping jaw is hinged with the positioning ring through a first connecting part, and the clamping jaw can rotate by taking the first connecting part as a hinge point; the guide ring is sleeved on the pull rod and positioned below the positioning ring, can freely move along the axial direction of the pull rod, and can enable the clamping jaw to be tensioned or contracted outwards by pressing or lifting the guide ring; and the lifting ring nut is arranged on the upper part of the pull rod, so that the lifting of the annular workpiece dismounting tool is realized. The utility model discloses possess and deposit the convenience, occupation space is little, simple structure, adjusts quick convenient, the rigidity of connection is high, safe and reliable's advantage, and the dismouting operation of specially adapted area ladder Kong Huanzhuang work piece can effectively alleviate operation personnel intensity of labour, reduces safe risk, realizes the safe quick assembly disassembly of cyclic annular work piece.
Description
Technical Field
The utility model relates to a take annular work piece assembly and disassembly tools of shoulder hole belongs to hoist and mount technical field.
Background
The hydraulic cylinder assembly of the single-cylinder cone crusher consists of a cylinder body, a piston wear-resisting plate, a middle base plate and other workpieces, and provides continuous lubrication for the operation of a shaft and a bearing of the main machine in the operation process of the main machine. The piston wear-resisting plate and the middle backing plate are annular workpieces with stepped holes respectively made of tin bronze and steel forgings, and oil grooves are formed in the piston wear-resisting plate to improve lubrication. Because the piston wear plate and the upper middle base plate bear axial load and crushing force of the crushing cavity in the process of crushing materials by the main engine, the piston wear plate and the upper middle base plate are worn to a large extent, and therefore the oil groove needs to be periodically disassembled, replaced and checked.
Although the piston wear plate and the piston are in clearance fit in the assembling process, the workpieces have larger liquid surface tension due to the existence of a lubricating oil film, and if the workpieces are manually and forcibly disassembled, the workpieces are difficult to disassemble and have serious potential safety hazards. In addition, no lifting lug or lifting point is preset on the surface of the annular workpiece, and only the central stepped through hole can be used for assisting in dismounting. Therefore, an assembling and disassembling tool which is simple, convenient, safe and reliable in operation is urgently needed to reduce the labor intensity of workers and realize safe and efficient assembling and disassembling of the annular workpiece.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a take ladder Kong Huanzhuang work piece assembly and disassembly tools, solve prior art in the cyclic annular work piece of dismouting the operation degree of difficulty big, have the technical problem of safe risk.
The utility model is realized according to the following technical proposal
A tool for disassembling and assembling annular workpieces with stepped holes comprises a pull rod, a positioning ring, a clamping jaw, a guide ring and a lifting ring nut; the positioning ring is sleeved on the pull rod and can freely move along the axial direction of the pull rod; the clamping jaw is arranged in the opening of the positioning ring, the top of the clamping jaw is hinged with the positioning ring through a first connecting part, and the clamping jaw can rotate by taking the first connecting part as a hinge point; the guide ring is sleeved on the pull rod and positioned below the positioning ring, can freely move along the axial direction of the pull rod, and can enable the clamping jaw to be tensioned or contracted outwards by pressing or lifting the guide ring; and the lifting ring nut is arranged on the upper part of the pull rod, so that the lifting of the annular workpiece dismounting tool is realized.
In some embodiments: the connecting part II is arranged on the guide ring and used as a manual lifting handle or a chain lifting hoisting point.
In some embodiments: the second connecting part is composed of two screws symmetrically arranged on the outer circular surface of the guide ring.
In some embodiments: the pull rod is formed by round steel in one piece, the upper part of the pull rod is provided with a thread, the middle part of the pull rod is a smooth cylinder, and the lower part of the pull rod is provided with a conical step.
In some embodiments: the lifting ring nut is arranged at the upper thread of the pull rod; the guide ring and the positioning ring are arranged at the smooth cylinder of the pull rod, and the inner hole of the guide ring, the inner hole of the positioning ring and the smooth cylinder are in clearance fit, so that the guide ring and the positioning ring can axially move on the smooth cylinder; the maximum width of the conical step is larger than the diameters of the inner hole of the guide ring and the inner hole of the positioning ring, and the conical step is used for limiting the maximum axial movement distance of the guide ring and the positioning ring.
In some embodiments: the positioning ring is an annular workpiece, and a through hole is formed in the center of the positioning ring and used for penetrating the pull rod; the locating ring is radially provided with a plurality of square openings, and a clamping jaw is placed in each square opening.
In some embodiments: the first connecting part is a screw; and a threaded hole is formed in the side face of the positioning ring at the square opening and used for mounting the screw and serving as a hinge point at the upper part of the clamping jaw.
In some embodiments: the guide ring is an annular workpiece, and a through hole is formed in the center of the guide ring and is used for penetrating the pull rod; the side surface of the guide ring is provided with a radial square opening, and a clamping jaw is arranged in one square opening; and the side surface of the guide ring is provided with a radial threaded hole.
In some embodiments: the clamping jaw is a plate-shaped workpiece, the upper portion of the clamping jaw is provided with a hinge point hole which can freely rotate around the connecting part, and the lower portion of the clamping jaw is provided with a hook head protruding outwards.
In some embodiments: the right side surface of the clamping jaw consists of two inclined surfaces with different slopes, and the clamping jaw can be driven to tension or contract by the guide ring moving along the axis of the pull rod; and the left side surface of the clamping jaw is provided with a notch which is transited through an arc.
The utility model discloses beneficial effect:
the utility model provides a take annular work piece assembly and disassembly tools of shoulder hole lifts by crane the ability and exceeds 200KG, possesses and deposits the convenience, and occupation space is little, simple structure, low in manufacturing cost adjust quick convenient, connection rigidity is high, safe and reliable's advantage, can effectively alleviate the actual workman intensity of labour who dismantles and the installation with annular work piece, reduce safe risk, realize the safe quick dismantlement and the installation of annular work piece.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, the illustrative embodiments and the description of the invention serve to explain the invention without unduly limiting the invention. It is obvious that the drawings in the following description are only some embodiments and that for a person skilled in the art, other drawings can also be derived from them without inventive effort.
In the drawings:
FIG. 1 is a schematic structural view of a tool for disassembling and assembling a ring-shaped workpiece with a stepped hole according to the present invention;
fig. 2 is a cross-sectional view of the pull rod of the annular workpiece dismounting tool with a stepped hole according to the present invention;
fig. 3 is a structural view (a is a perspective view, and b is a cross-sectional view) of a guide ring of the tool for assembling and disassembling a ring-shaped workpiece with a stepped hole according to the present invention;
fig. 4 is a positioning ring structure diagram (a is a perspective view, and b is a cross-sectional view) of the assembling and disassembling tool for a ring-shaped workpiece with a stepped hole according to the present invention;
fig. 5 is a jaw structure diagram of the dismounting tool for annular workpieces with stepped holes of the present invention;
fig. 6 is a structural view of an eyenut of the dismounting tool for the annular workpiece with the stepped hole of the present invention;
fig. 7 is a schematic view of the steps of the tool for assembling and disassembling a ring-shaped workpiece with a stepped hole according to the present invention (a and b are used for hoisting the middle pad, and c and d are used for hoisting the piston wear-resistant plate).
FIG. 8 is a cross-sectional view of the tool for assembling and disassembling an annular workpiece with a stepped hole according to the present invention;
the attached drawings are as follows: 1. the wear-resistant piston comprises a pull rod, 2, a guide ring, 3, a positioning ring, 4, a lifting ring nut, 5, a clamping jaw, 6, a screw, 7-threads, 8-smooth cylinders, 9-conical steps, 10, a screw, 11, square openings, 12, threaded holes, 13-threaded holes, 14-inclined planes, 15-hook heads, 16-square openings, 17-pistons, 18-middle backing plates, 19-piston wear-resistant plates and 100-disassembling and assembling tools.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
As shown in fig. 1, a tool for disassembling and assembling a ring-shaped workpiece with a stepped hole comprises a pull rod 1, a guide ring 2, a positioning ring 3, a lifting ring nut 4 and a clamping jaw 5; the pull rod 1 is used for installing a guide ring 2, a positioning ring 3 and a lifting ring nut 4; the guide ring 2 and the positioning ring 3 are in clearance fit with the pull rod 1 and can freely move along the axial direction of the pull rod 1; the lifting ring nut 4 is arranged on the pull rod 1 to realize the lifting of the annular workpiece; the plurality of claws 5 are hinged at the opening of the positioning ring 3 through a connecting part I and have two states of contraction and tension: can penetrate into a round hole right above the annular workpiece in a contraction state; after the pull rod 1 is lifted and the guide ring 2 is pressed, the clamping jaws 5 can be simultaneously tensioned outwards, the positioning in the groove of the annular workpiece is realized, and then the disassembly and assembly operation of the workpiece is realized under the cooperation of hoisting equipment.
Further scheme: and a second connecting part is arranged on the guide ring 2 and used as a manual lifting handle or a chain lifting hoisting point.
The preferable scheme is as follows: the second connecting part is composed of two screws 6 symmetrically arranged on the outer circular surface of the guide ring.
A preferred embodiment of the above embodiment with respect to the tie rod is given below:
as shown in fig. 2, the pull rod 1 is integrally formed by round steel, the upper part of the pull rod is provided with a thread 7, the middle part of the pull rod is provided with a smooth cylinder 8, and the lower part of the pull rod is provided with a conical step 9; the upper thread 7 is used for installing a lifting ring nut 4 to realize workpiece lifting; the smooth cylinder 8 is used for installing the guide ring 2 and the positioning ring 3 to axially move; the tapered step 9 serves to limit the maximum axial travel distance of the guide ring 2 and retaining ring 3.
A preferred embodiment of the above embodiment with respect to the guide ring is given below:
as shown in fig. 3, the guide ring 2 is installed on the axis of the pull rod 1, and the inner hole of the guide ring 2 is in clearance fit with the smooth cylinder 8 in the middle of the pull rod 1 and can freely move along the axis direction of the pull rod 1; the guide ring 2 is an annular workpiece, and a through hole is formed in the center of the guide ring and is used for penetrating the pull rod 1; the side surface of the guide ring 2 is provided with a radial square opening 11, and the clamping jaws 5 can be simultaneously tensioned or contracted outwards along the inclined surface 14 by pressing or lifting the guide ring 2; the side surface of the guide ring 2 is provided with a radial threaded hole 12 for mounting the screw 6, and the guide ring 2 can be pressed to move along the axis of the pull rod 1 or be used as a chain lifting hanging point.
A preferred embodiment of the above embodiment is given below with respect to the retaining ring:
as shown in fig. 4, the positioning ring 3 is installed on the axis of the pull rod 1, the inner hole of the positioning ring 3 is in clearance fit with the middle smooth cylinder 8 of the pull rod 1, and the three claws 5 can be simultaneously tensioned or contracted outwards by pressing or lifting the positioning ring 3 along the axis direction of the pull rod 1; the positioning ring 3 is an annular workpiece, and a through hole is formed in the center of the positioning ring and is used for penetrating the pull rod 1; the side surface of the positioning ring 3 is provided with three threaded holes 13 for mounting screws 10 (one connecting part is a screw 10) which are used as hinge points at the upper parts of the clamping jaws 5; the positioning ring 3 is radially provided with square openings 16, and a clamping jaw 5 is arranged in one square opening 16.
A preferred embodiment of the above embodiment with respect to the jaws is given below:
as shown in fig. 5, the jaw 5 is a plate-shaped workpiece, and the jaw 5 is installed in the square notch 16 of the positioning ring 3; the upper part of the clamping jaw 5 is provided with a hinge point hole which can freely rotate around a screw 10 on the positioning ring 3; the lower part of the claw 5 is provided with a hook head 15 which protrudes outwards; the right side surface of the jaw 5 is composed of two inclined surfaces 14 with different slopes, namely, the slope of the right side surface in the space is changed from negative to positive, and the jaw 5 can be driven to be tensioned or contracted by the movement of the guide ring 2 along the axis of the pull rod 1; the left side surface of the clamping jaw 5 is provided with a notch and is subjected to arc transition so as to avoid interference with the circular hole position of the annular workpiece; the opening at the left side of the clamping jaw 5 is subjected to acute-angle blunting treatment so as to avoid the damage or scratch of the annular workpiece in the dismounting process.
A preferred embodiment of the above embodiment with respect to the eye nut is given below:
as shown in fig. 6, the lifting ring nut 4 is installed at the thread 7 on the upper part of the pull rod 1 to realize the lifting of the annular workpiece.
The disassembly and assembly process is as follows: as shown in fig. 7 and 8, when the annular workpiece with the stepped hole is disassembled, a shackle and a sling chain need to be installed on the eye nut 4 of the disassembling tool 100, but the shackle and sling chain are not tensioned; manually placing the disassembling tool 100 right above the circular hole of the annular workpiece (such as the middle cushion plate 18 and the piston wear-resisting plate 19); moving the guide ring 2 to enable the clamping jaw 5 to be in a contraction state; lowering the tool 100 through the centre of the annular workpiece until the hook head 15 of the jaw 5 is initially positioned in the groove; lifting the pull rod 1 of the dismounting tool 100, and simultaneously pressing the guide ring 2 to simultaneously tension the three clamping jaws 5 outwards and simultaneously enable the hook heads 15 of the clamping jaws 5 to further and accurately position on the groove of the annular workpiece; tensioning a lifting chain, lightly lifting the disassembling and assembling tool 100 by using lifting equipment and rotating left and right until a lubricating oil film is allowed to leave; the annular workpiece (e.g., intermediate backing plate 18, piston wear plate 19) is lifted away from the crusher cylinder assembly and placed in a storage area.
When an annular workpiece with a stepped hole is installed, a thin layer of lubricating oil can be uniformly coated on the piston wear-resisting plate 19 and the middle backing plate 18, and the disassembling tool 100 is placed to pass through a through hole between the piston wear-resisting plate 19 and the middle backing plate, so that the hook head 15 of the clamping jaw 5 is ensured to be positioned at the bottom of the piston wear-resisting plate 19; lifting the pull rod 1, and simultaneously pressing the three clamping jaws 5 outwards to ensure that the three clamping jaws 5 are clamped at the bottom of the piston wear-resisting plate 19, so that the guide ring 2 falls down; the lifting rigging is mounted on the eye nut 4 of the removal tool 100 and the piston wear plate 19 and intermediate pad 18 are lifted onto the piston 17 of the hydraulic ram assembly.
To sum up, the utility model discloses a take annular work piece assembly and disassembly tools of shoulder hole penetrates the jack catch round hole directly over the annular work piece, promotes the assembly and disassembly tools pull rod, presses down the guide ring simultaneously and makes the jack catch tensioning make its pinpoint in the annular work piece slot, uses hoisting equipment to hang and gets rings, realizes the safety of annular work piece, hoists fast, eliminates the potential safety hazard. The utility model discloses possess and deposit the convenience, occupation space is little, simple structure, low in manufacturing cost, adjusts quick convenient, the advantage that connection rigidity is high, safe and reliable, and the dismouting operation of specially adapted area ladder Kong Huanzhuang work piece can effectively alleviate operation personnel intensity of labour, reduces safe risk, realizes the safe quick assembly disassembly of cyclic annular work piece.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a take annular work piece assembly and disassembly tools of shoulder hole which characterized in that includes:
a pull rod;
the positioning ring is sleeved on the pull rod and can freely move along the axial direction of the pull rod;
the clamping jaw is arranged in the opening of the positioning ring, the top of the clamping jaw is hinged with the positioning ring through a first connecting part, and the clamping jaw can rotate by taking the first connecting part as a hinge point;
the guide ring is sleeved on the pull rod and positioned below the positioning ring, can freely move along the axial direction of the pull rod, and can enable the clamping jaws to be tensioned or contracted outwards by pressing or lifting the guide ring;
and the lifting ring nut is arranged on the upper part of the pull rod, so that the lifting of the annular workpiece dismounting tool is realized.
2. The tool for disassembling and assembling a ring-shaped workpiece with a stepped hole according to claim 1, further comprising:
and the second connecting part is arranged on the guide ring and is used as a manual lifting handle or a chain lifting point.
3. The tool for disassembling and assembling the annular workpiece with the stepped hole according to claim 2, wherein:
the second connecting part is composed of two screws symmetrically arranged on the outer circular surface of the guide ring.
4. The tool for disassembling and assembling the annular workpiece with the stepped hole according to claim 1, wherein:
the pull rod is formed by round steel in one piece, the upper part of the pull rod is provided with a thread, the middle part of the pull rod is a smooth cylinder, and the lower part of the pull rod is provided with a conical step.
5. The tool for disassembling and assembling the annular workpiece with the stepped hole according to claim 4, wherein:
the lifting ring nut is arranged at the upper thread of the pull rod;
the guide ring and the positioning ring are arranged at the smooth cylinder of the pull rod, and the inner hole of the guide ring, the inner hole of the positioning ring and the smooth cylinder are in clearance fit, so that the guide ring and the positioning ring can axially move on the smooth cylinder;
the maximum width of the conical step is larger than the diameters of the inner hole of the guide ring and the inner hole of the positioning ring, and the conical step is used for limiting the maximum axial movement distance of the guide ring and the positioning ring.
6. The tool for disassembling and assembling the annular workpiece with the stepped hole according to claim 1, wherein:
the positioning ring is an annular workpiece, and a through hole is formed in the center of the positioning ring and used for penetrating the pull rod;
the positioning ring is radially provided with a plurality of square openings, and a clamping jaw is placed in each square opening.
7. The tool for disassembling and assembling the annular workpiece with the stepped hole according to claim 6, wherein:
the first connecting part is a screw;
and a threaded hole is formed in the side face of the positioning ring at the square opening and used for mounting the screw and serving as a hinge point at the upper part of the clamping jaw.
8. The tool for disassembling and assembling the annular workpiece with the stepped hole according to claim 1, wherein:
the guide ring is an annular workpiece, and a through hole is formed in the center of the guide ring and is used for penetrating the pull rod;
the side surface of the guide ring is provided with radial square openings, and a clamping jaw is placed in one square opening;
and the side surface of the guide ring is provided with a radial threaded hole.
9. The tool for disassembling and assembling the annular workpiece with the stepped hole according to claim 1, wherein:
the clamping jaw is a plate-shaped workpiece, the upper portion of the clamping jaw is provided with a hinge point hole which can freely rotate around the connecting part, and the lower portion of the clamping jaw is provided with a hook head protruding outwards.
10. The tool for disassembling and assembling the annular workpiece with the stepped hole according to claim 9, wherein:
the right side surface of the clamping jaw consists of two inclined surfaces with different slopes, and the clamping jaw can be driven to tension or contract by the guide ring moving along the axis of the pull rod;
and the left side surface of the clamping jaw is provided with a notch which is transited through an arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221767019.5U CN217668130U (en) | 2022-07-11 | 2022-07-11 | Annular workpiece dismounting tool with stepped holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221767019.5U CN217668130U (en) | 2022-07-11 | 2022-07-11 | Annular workpiece dismounting tool with stepped holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217668130U true CN217668130U (en) | 2022-10-28 |
Family
ID=83715135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221767019.5U Active CN217668130U (en) | 2022-07-11 | 2022-07-11 | Annular workpiece dismounting tool with stepped holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217668130U (en) |
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2022
- 2022-07-11 CN CN202221767019.5U patent/CN217668130U/en active Active
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