CN219768135U - Novel shaft coupling dismantles frock device - Google Patents
Novel shaft coupling dismantles frock device Download PDFInfo
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- CN219768135U CN219768135U CN202320490624.0U CN202320490624U CN219768135U CN 219768135 U CN219768135 U CN 219768135U CN 202320490624 U CN202320490624 U CN 202320490624U CN 219768135 U CN219768135 U CN 219768135U
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- shaft
- taking
- widening
- hydraulic jack
- extension
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- 230000008878 coupling Effects 0.000 title claims description 18
- 238000010168 coupling process Methods 0.000 title claims description 18
- 238000005859 coupling reaction Methods 0.000 title claims description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model relates to a novel coupler dismounting tool device, which comprises a tool body, wherein the tool body is provided with a fixing part, a coupler taking-out part, an extension part and a widening part; the fixing part comprises a plurality of bolt holes which are formed in the tool body; the coupler taking-out part comprises a taking-out hole and a hydraulic jack, the taking-out hole is arranged on the tool body in a penetrating manner, the hydraulic jack is fixedly arranged on the tool body, and the extension part comprises an extension shaft; the widening part comprises a widening shaft, the tool body and the coupler can be fixed after the bolts penetrate through the bolt holes, the power output end of the hydraulic jack can extend out and prop against the shaft body, the shaft body is separated from the coupler, time and labor are saved, and compared with the original screw rod disassembling mode, the operation efficiency can be quickened after disassembly each time.
Description
Technical Field
The utility model relates to the technical field of steel rolling machinery, in particular to a novel coupler dismounting tool device for a universal shaft of a high-speed bar pinch roll.
Background
In high-speed rod equipment maintenance, the coupler is dismantled and is mainly limited to dismantling the influence of frock, dismantles the coupler and often appears dismantling not get off, the secondary condition of dismantling.
Normally, the success probability of normal use tools is high, and in view of the fact that the gap between a universal shaft of a pinch roll swinging seat and a swinging seat shell is too small, new equipment and new technology have new disassembly problems, common general tools cannot be used, a plugboard is disassembled from the gap by means of external force, and the conventional swinging seat coupler cannot be disassembled, so that production efficiency is affected.
At present, the used disassembling method is to use a screwdriver and a crowbar to disassemble in a violent manner in a heating state, and the method generally has the conditions of uneven two-time force application, low disassembling success rate, large physical consumption of personnel, high time consumption and the like, and cannot meet the requirements of high-speed bar overhaul and repair.
The utility model provides a universal shaft dismounting device for a high-speed bar pinch roll, which is used for reducing the labor intensity of staff, reducing the overhaul and repair time, improving the dismounting success rate, accelerating the overhaul speed and reducing the manpower.
A coupling extractor as in national publication No. CN208592798U, said coupling extractor comprising: a fixed disk (1); the fixed disc (1) is provided with a central through hole, and the fixed disc (1) is used for being fixedly connected with a coupler of equipment to be operated; a jackscrew (2) penetrating through the central through hole and in threaded connection with the central through hole; the first end of the jackscrew (2) is used for abutting against the equipment to be operated, and the jackscrew (2) is used for promoting the fixed disc (1) and the coupler to move in a direction away from the equipment to be operated in the screwing process.
The above-mentioned explanation is a shaft coupling extractor, and the drive mode of this extractor is through the principle of the ejecting shaft coupling of bolt screw rod dismantles the shaft coupling, and in actual operation, because the cross-section of screw rod is less, because the continuous with axle head face friction of screw rod in the axial application of force in-process of counter shaft, can cause certain wearing and tearing to the surface of counter shaft, so put forward a use hydraulic jack's axial thrust as main dismantlement mode, the novel shaft coupling dismantles tool equipment that counter shaft end face wearing and tearing reach minimum.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art, and provides a novel coupler dismounting tool device which takes the axial pushing force of a hydraulic jack as a main dismounting mode and minimizes the abrasion of the end face of a shaft.
The technical problem to be solved by the utility model is realized by the following technical scheme that the novel coupler dismounting tool device comprises a tool body, wherein the tool body is provided with a fixing part, a coupler taking-out part, an extending part and a widening part;
the fixing part comprises a plurality of bolt holes which are formed in the tool body;
the coupler taking-out part comprises a taking-out hole and a hydraulic jack, the taking-out hole is arranged on the tool body in a penetrating way, the axis of the taking-out hole is parallel to the axis of the bolt hole, the hydraulic jack is fixedly arranged on the tool body, and the power output end of the hydraulic jack is positioned in the taking-out hole;
the extension part comprises an extension shaft, one end of the extension shaft is arranged in the taking-out hole and is provided with a driving hole which is convenient for the power output end of the hydraulic jack to enter;
the widening part comprises a widening shaft, one end of the widening shaft is provided with a mounting groove which is convenient to sleeve on the end part of the widening shaft, and the other end of the widening shaft is abutted on the shaft body.
Preferably, the bolt holes are uniformly distributed around the extraction hole.
Preferably, the extension shaft is in clearance fit with the removal hole.
Preferably, the outer circumferential surface of the end part of the extension shaft is provided with an external thread, the inner circumferential surface of the mounting groove is provided with an internal thread matched with the external thread, and the extension shaft is in threaded connection with the mounting groove.
Preferably, the maximum shaft diameter of the widening shaft is 1.3-1.5 times of the maximum shaft diameter of the extension shaft, and the maximum shaft diameter of the extension shaft is 2-3 times of the maximum shaft diameter of the power output end of the hydraulic jack.
Preferably, the axis of the extension shaft, the axis of the widening shaft, the axis of the power take-off of the hydraulic jack and the axis of the take-out hole are collinear.
Compared with the prior art, the utility model has the beneficial technical effects that:
(1) After the bolts pass through the bolt holes, the tool body and the coupler can be fixed, at the moment, the power output end of the hydraulic jack stretches out and can be propped against the shaft body, the shaft body is separated from the coupler, time and labor are saved, compared with the original screw rod disassembling mode, the operation efficiency can be accelerated after each disassembly, and the time is saved by 120 minutes (2 hours): economic benefit = time saving hour production per ton of steel benefit ∈2 hours per year =200 tons per hour =200 yuan per ton =12 times per year =96 ten thousand yuan per year, for intangible benefit: the potential safety hazard is reduced, the labor amount is reduced, the operation efficiency is improved, and the inspection maintenance downtime is reduced.
(2) The design purpose of the extension shaft is to shorten the stroke of the power output end of the hydraulic jack, so that the coupler can be taken out after the power output end of the hydraulic jack extends out for 4-8 cm each time;
(3) The area of contact with the end face of the shaft body can be increased through the widening shaft, so that the whole stress on the end face of the shaft body is uniform, the end face of the shaft body cannot be obviously worn due to the fact that the shaft body is taken out in the process of taking out the shaft body, and the practicability is high.
Drawings
FIG. 1 is a schematic view of the present utility model in full section when in use;
fig. 2 is an exploded view of the structure of fig. 1.
In the figure, 1, a tool body; 2. bolt holes; 3. a coupling; 4. a take-out hole; 5. a hydraulic jack; 6. an extension shaft; 7. widening the shaft; 8. a drive hole; 9. and a mounting groove.
Detailed Description
Specific embodiments of the utility model will be further described below with reference to the accompanying drawings, in order to facilitate a further understanding of the utility model by those skilled in the art, without limiting the scope of the claims thereto.
1, referring to fig. 1-2, a novel coupler disassembly tool device comprises a tool body 1, wherein the tool body 1 is of a circular plate-shaped structure, the thickness of the tool body is 3-5cm, and a fixing part, a coupler taking-out part, an extending part and a widening part are arranged on the tool body 1;
the fixing part comprises a plurality of bolt holes 2, the number of the bolt holes 2 can be 4-8, and the bolt holes 2 are formed in the tool body 1;
the coupler taking-out part comprises a taking-out hole 4 and a hydraulic jack 5, the taking-out hole 4 is arranged on the tool body 1 in a penetrating way, the axis of the taking-out hole 4 is parallel to the axis of the bolt hole 2, the hydraulic jack 5 is fixedly arranged on the tool body 1, and the power output end of the hydraulic jack 5 is positioned in the taking-out hole 4;
the extension part comprises an extension shaft 6, the extension shaft 6 and a widening shaft 7 are cylindrical shaft bodies, one end of the extension shaft 6 is arranged in the taking-out hole 4 and provided with a driving hole 8 which is convenient for the power output end of the hydraulic jack 5 to enter, the driving hole 8 can be a cylindrical shaft body, and the design purpose of the driving hole 8 is to facilitate the power output end of the hydraulic jack 5 to extend in;
the widening part comprises a widening shaft 7, one end of the widening shaft 7 is provided with a mounting groove 9 which is convenient to sleeve on the end part of the extending shaft 6, the other end of the widening shaft is abutted on the shaft body, the mounting groove 9 is a cylindrical groove body, and the shape and the size of the mounting groove correspond to those of the end part of the extending shaft 6.
In embodiment 1, the bolt hole 2 is designed to pass an external bolt through the bolt hole 2 and fasten the bolt to the coupling 3 to be taken out, so that the tool body 1 is fixed to the coupling 3, and when the power output end of the driving hydraulic jack 5 is extended, the power output end of the driving hydraulic jack 5 can apply a force in the axial direction of the shaft body to the shaft body, so that the shaft body is separated from the coupling 3.
Embodiment 2, embodiment 1 a novel shaft coupling dismantles tool equipment, bolt hole 2 equipartition around taking out hole 4, two adjacent bolt holes 2 equidistance are arranged.
Embodiment 3, embodiment 1 a novel shaft coupling dismantles tool equipment, extension shaft 6 and take out hole 4 be clearance fit.
Embodiment 4, embodiment 1 a novel shaft coupling dismantles tool equipment, have the external screw thread on the tip outer peripheral face of extension axle 6, have on the inner peripheral face of mounting groove 9 with this external screw thread cooperation use the internal screw thread, extension axle 6 and mounting groove 9 threaded connection.
Embodiment 5, embodiment 1 a novel shaft coupling dismantles tool equipment, the biggest diameter of extension axle 7 is the biggest diameter of axle 6 of extension axle 1.5 times, and the biggest diameter of axle 6 of extension is the biggest diameter of axle 3 times of hydraulic jack power take off.
Embodiment 6, embodiment 1 a novel shaft coupling dismantles tool equipment, axis of extension axle 6, the axis of broadening axle 7, the axis of hydraulic jack 5 power take off end and take out hole 4 axis collineation.
The method for using the coupler dismounting tool device in the embodiments 1-6 is as follows:
firstly, bolts penetrate through bolt holes 2 on a tool body 1 and are fastened on the end face of a coupler 3 to be disassembled, then the power output end of a hydraulic jack 5 is driven to extend, and a lengthening shaft 6 and a widening shaft 7 are enabled to move along the extending direction of the power output end of the hydraulic jack 5 until the end face of the widening shaft 7 is abutted on the end face of the shaft body, the shaft body is separated from the coupler 3, and after the shaft body is separated from the coupler 3, the tool body 1 and the shaft body on the coupler 3 are disassembled, so that the disassembly operation of the coupler 3 can be completed.
Claims (6)
1. Novel frock device is dismantled to shaft coupling, its characterized in that: the fixture comprises a fixture body, wherein the fixture body is provided with a fixing part, a coupler taking-out part, an extension part and a widening part;
the fixing part comprises a plurality of bolt holes which are formed in the tool body;
the coupler taking-out part comprises a taking-out hole and a hydraulic jack, the taking-out hole is arranged on the tool body in a penetrating way, the axis of the taking-out hole is parallel to the axis of the bolt hole, the hydraulic jack is fixedly arranged on the tool body, and the power output end of the hydraulic jack is positioned in the taking-out hole;
the extension part comprises an extension shaft, one end of the extension shaft is arranged in the taking-out hole and is provided with a driving hole which is convenient for the power output end of the hydraulic jack to enter;
the widening part comprises a widening shaft, one end of the widening shaft is provided with a mounting groove which is convenient to sleeve on the end part of the widening shaft, and the other end of the widening shaft is abutted on the shaft body.
2. The novel coupler disassembly tool device according to claim 1, wherein: the bolt holes are uniformly distributed around the taking-out hole.
3. The novel coupler disassembly tool device according to claim 1, wherein: the extension shaft is in clearance fit with the taking-out hole.
4. The novel coupler disassembly tool device according to claim 1, wherein: the external thread is arranged on the outer peripheral surface of the end part of the extension shaft, the internal thread matched with the external thread is arranged on the inner peripheral surface of the mounting groove, and the extension shaft is in threaded connection with the mounting groove.
5. The novel coupler disassembly tool device according to claim 1, wherein: the maximum shaft diameter of the widening shaft is 1.3-1.5 times of the maximum shaft diameter of the extension shaft, and the maximum shaft diameter of the extension shaft is 2-3 times of the maximum shaft diameter of the power output end of the hydraulic jack.
6. The novel coupler disassembly tool device according to claim 1, wherein: the axis of the extension shaft, the axis of the widening shaft, the axis of the power output end of the hydraulic jack and the axis of the taking-out hole are collinear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320490624.0U CN219768135U (en) | 2023-03-15 | 2023-03-15 | Novel shaft coupling dismantles frock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320490624.0U CN219768135U (en) | 2023-03-15 | 2023-03-15 | Novel shaft coupling dismantles frock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219768135U true CN219768135U (en) | 2023-09-29 |
Family
ID=88108628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320490624.0U Active CN219768135U (en) | 2023-03-15 | 2023-03-15 | Novel shaft coupling dismantles frock device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219768135U (en) |
-
2023
- 2023-03-15 CN CN202320490624.0U patent/CN219768135U/en active Active
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