CN215160245U - Tensioning mechanism and balance tool - Google Patents
Tensioning mechanism and balance tool Download PDFInfo
- Publication number
- CN215160245U CN215160245U CN202121605910.4U CN202121605910U CN215160245U CN 215160245 U CN215160245 U CN 215160245U CN 202121605910 U CN202121605910 U CN 202121605910U CN 215160245 U CN215160245 U CN 215160245U
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- wire rope
- expansion sleeve
- expands
- tensioning mechanism
- mounting
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- 230000007246 mechanism Effects 0.000 title claims description 30
- 238000009434 installation Methods 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 53
- 239000010959 steel Substances 0.000 claims description 53
- 230000009471 action Effects 0.000 claims description 11
- 230000005489 elastic deformation Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims 1
- 230000003068 static effect Effects 0.000 abstract description 17
- 238000002788 crimping Methods 0.000 abstract description 9
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 206010061258 Joint lock Diseases 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to a balanced frock field discloses a straining device and balanced frock, and straining device includes wire rope, installation department and the tight subassembly that expands. The utility model provides a straining device is used for hoisting when awaiting measuring the product, wire rope can receive the pulling force load, the tight subassembly that expands removes to the installation department under the wire rope pulling force effect, the one end that the tight subassembly that makes to expand is equipped with the conical surface slowly gets into the bell mouth of installation department, the tight subassembly that expands of bell mouth inner wall extrusion makes the tight subassembly that expands compress tightly wire rope, along with awaiting measuring the product and being hoisted gradually, the pulling force load crescent that wire rope received, the biggest static friction between tight subassembly and the wire rope that expands also increases gradually along with it, the product that awaits measuring is hoisted completely and is kept balance up until, wire rope, the installation department, the tight subassembly that expands keeps relatively static under the static friction effect, the problem that can produce not hard up between wire rope and the crimping lock sleeve has been solved, straining device's security performance has been improved.
Description
Technical Field
The utility model relates to a balanced frock technical field especially relates to a straining device and balanced frock.
Background
The hub assembly is used as a rotating component of the wind driven generator, is a key assembly of a heavy-load low-speed product of large equipment, and the balance is an important parameter for inspecting the hub assembly. In an actual production process, a dynamic balance test of the hub assembly is difficult to realize and the test cost is high, so a static balance test is generally performed on the hub assembly. During static balance testing, firstly, the assembled hub assembly needs to be hoisted and suspended by a tensioning mechanism and kept for a period of time, then the eccentric position of the hub assembly is found, and the structure of the hub assembly is corrected until the hub assembly reaches balance. The weight of the assembled hub assembly is generally about 20 tons, the hub assembly with the load capacity needs to be hoisted and suspended for a certain time, and the adopted tensioning mechanism has strong bearing strength and good flexibility so as to provide stable static load in the test process.
At present, most of steel wire ropes fixed by crimping lock sleeves are connected with hoisting hub assemblies, but after the steel wire ropes are subjected to large tensile load for a long time and are repeatedly disassembled and assembled, looseness can be generated between the steel wire ropes and the crimping lock sleeves so that stable static load cannot be provided, the crimping lock sleeves can even be separated from the steel wire ropes so that the hub assemblies can fall, and serious potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a straining device and balanced frock, when having solved the wire rope that adopts the crimping lock sleeve crimping and connecting hoist and mount wheel hub subassembly, probably produce not hard up problem between wire rope and the crimping lock sleeve, improved straining device's security performance.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a tensioning mechanism, includes wire rope, its characterized in that still includes and follows the wire rope axial distributes in proper order and the cover is located the wire rope surface:
the mounting part is used for detachably connecting a product to be tested, and a tapered hole is formed in the mounting part;
the tight subassembly expands, the outer wall of the tight subassembly that expands be equipped with bell mouth inner wall complex conical surface, the tight subassembly fixed connection that expands in wire rope, the one end of the tight subassembly that expands can insert under wire rope's the pulling effect in the bell mouth just can take place elastic deformation under the extrusion of bell mouth inner wall in order to press from both sides tightly wire rope.
Preferably, the expansion assembly comprises:
the conical surface is arranged on the expansion sleeve;
one end of the steel wire rope sequentially penetrates through the mounting part and the expansion sleeve and is fixedly connected to the fixing piece; the expansion sleeve and the fixing piece are integrally arranged.
Preferably, the expansion assembly comprises:
the conical surface is arranged on the expansion sleeve;
one end of the steel wire rope sequentially penetrates through the mounting part and the expansion sleeve and is fixedly connected to the fixing piece; the expansion sleeve and the fixing piece are arranged in a split mode, and the fixing piece can push the expansion sleeve to enter the conical hole and extrude the inner wall of the conical hole under the pulling action of the steel wire rope.
Preferably, one end of the expansion sleeve close to the fixing piece is at least partially and always positioned outside the tapered hole, so that the fixing piece is abutted against the expansion sleeve;
or one end of the expansion sleeve, which is close to the fixing piece, does not extend out of the tapered hole, and the outer diameter of one end of the fixing piece, which is close to the expansion sleeve, is less than or equal to that of one end of the expansion sleeve, which is close to the fixing piece.
Preferably, the expansion sleeve is provided with a through hole for the steel wire rope to penetrate through, and the outer diameter of the fixing piece close to one end of the expansion sleeve is larger than the aperture of the through hole.
Preferably, the expansion sleeve is of a C-shaped structure.
Preferably, one end of the expansion sleeve is provided with at least two clamping jaws, the clamping jaws are distributed at intervals along the circumferential direction of the expansion sleeve to form through holes for penetrating the steel wire rope, and the clamping jaws can elastically deform to clamp the steel wire rope.
Preferably, the tightening mechanism further comprises:
the connecting piece, wire rope's one end is passed installation department and fixed connection in the one end of connecting piece, the other end of connecting piece is equipped with the eye.
Preferably, be equipped with a plurality of mounting holes along its circumference distribution on the installation department, the mounting hole corresponds the setting with the preformed hole on the product that awaits measuring.
The utility model also provides a balanced frock, including above-mentioned arbitrary scheme straining device.
The utility model has the advantages that: the tensioning mechanism provided by the utility model utilizes the inner wall of the taper hole to extrude the expansion component to enable the expansion component to generate elastic deformation so as to clamp the steel wire rope, particularly, when a product to be tested is hoisted by using the tensioning mechanism, along with the gradual hoisting of the product to be tested, the tensile load borne by the steel wire rope is gradually increased, one end of the expansion assembly, which is provided with a conical surface under the tensile action of the steel wire rope, gradually enters the conical hole of the installation part, the acting force between the outer wall of the expansion assembly and the inner wall of the conical hole is gradually increased, so that the force of the expansion assembly for clamping the steel wire rope is also gradually increased, the maximum static friction force between the expansion assembly and the steel wire rope is also increased along with the increase of the maximum static friction force until the product to be tested is completely hoisted and kept balanced, and the steel wire rope, the installation part and the expansion assembly are kept relatively static under the action of the static friction force, thereby effectively ensuring the stability and firmness of the connection between the steel wire rope and the expansion assembly; the problems that the tensile load applied to the steel wire rope is large and the steel wire rope and the compression joint lock sleeve are easy to loosen and even separate when the steel wire rope and the compression joint lock sleeve are repeatedly disassembled and assembled are solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural view of a tensioning mechanism provided by a split type of an expansion sleeve and a fixing member according to an embodiment of the present invention.
In the figure:
1. a wire rope; 2. an installation part; 3. expanding and tightening the sleeve; 4. a fixing member; 5. a connecting member.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
Fig. 1 is the utility model provides an expand tight cover and mounting components of a whole that can function independently straining device's that sets up structural schematic diagram, as shown in fig. 1, this embodiment provides a straining device to solve the fixed wire rope of ordinary crimping and receive great pulling force load and repeat the dismouting back with the wheel hub subassembly for a long time, can produce between crimping lock sleeve and the wire rope not hard up and even with wire rope off-going problem.
The tensioning mechanism comprises a steel wire rope 1, an installation part 2 and an expansion assembly, wherein the installation part 2 is used for connecting a product to be tested, and a tapered hole is formed in the installation part 2; one end of the steel wire rope 1 is fixedly connected with the expansion assembly, the outer wall of one end of the expansion assembly is provided with a conical surface matched with the inner wall of the conical hole, and the other end of the expansion assembly is fixedly connected with the steel wire rope 1; one end of the expansion assembly can be inserted into the conical hole under the action of the tensile force of the steel wire rope 1, and elastic deformation can be generated under the extrusion action of the inner wall of the conical hole to clamp the steel wire rope 1.
When the tensioning mechanism begins to hoist a product to be tested, the steel wire rope 1 is subjected to tensile load, one end of the expansion assembly gradually enters the conical hole of the mounting part 2 under the tensile action of the steel wire rope 1, and due to the extrusion effect of the inner wall of the conical hole on the expansion assembly, one end of the expansion assembly arranged in the conical hole is elastically deformed to clamp the steel wire rope 1. Along with the product to be measured is hoisted gradually, the tensile load borne by the steel wire rope 1 is increased, the acting force between the outer wall of the expansion assembly and the inner wall of the conical hole is gradually increased, the force for clamping the steel wire rope 1 by the expansion assembly is increased, the maximum static friction force between the expansion assembly and the steel wire rope 1 is increased until the product to be measured is hoisted completely and keeps balance, and the steel wire rope 1, the mounting part 2 and the expansion assembly keep relative rest under the action of the static friction force. By adopting the tensioning mechanism, the problems that the steel wire rope pressed by the pressing connection lock sleeve is large in tensile load applied to the steel wire rope and the pressing connection lock sleeve are easy to loosen or even separate when the steel wire rope and the pressing connection lock sleeve are repeatedly disassembled and assembled can be effectively avoided.
Meanwhile, the conical surface matched with the conical hole is arranged on the outer wall of the expansion assembly, so that the action area between the inner wall of the conical hole and the expansion assembly can be increased, and in the process that one end of the expansion assembly is inserted into the conical hole, one end of the expansion assembly, which is arranged in the conical hole, is gradually subjected to elastic deformation to clamp the steel wire rope 1; can also play and carry out spacing effect to the tight subassembly that expands, prevent that the tight subassembly that expands from wearing out from installation department 2 to prevent that 1 and 2 separation of installation departments of wire rope so that the product that awaits measuring drops.
Further, above-mentioned tight subassembly that expands is including the tight cover 3 and the mounting 4 expand, and the conical surface sets up in the tight cover 3 surface that expands, and the tight cover 3 that expands is passed in proper order to the one end of wire rope 1 to fixed connection is in mounting 4.
In this embodiment, the expansion sleeve 3 and the fixing member 4 are separately provided, so that the processing cost can be reduced. The external diameter that mounting 4 is close to the tight cover 3 one end of expanding is greater than the diameter of wearing to establish the hole, and when exerting tensile load in wire rope 1, wire rope 1 drives mounting 4 and is close to installation department 2, makes mounting 4 promote the tight cover 3 of expanding and insert gradually in the bell mouth.
Further, in order to prevent that the tight cover 3 that expands from droing from wire rope 1, be equipped with the through-hole that is used for wearing to establish wire rope 1 on the tight cover 3 that expands, make mounting 4 be close to the external diameter of the tight cover 3 one end that expands and be greater than the diameter of through-hole, adopt above-mentioned setting, make mounting 4 not only play fixed wire rope 1 to prevent the tight cover 3 that expands and from the effect that drops from wire rope 1, can also promote the tight cover 3 that expands and get into in the bell mouth, so that the tight cover 3 that expands presss from both sides tight wire rope 1.
In other embodiments, the expansion sleeve 3 and the fixing element 4 may be integrally formed, for example, the expansion sleeve 3 and the fixing element 4 are welded together or integrally formed.
In order to improve the bearing safety coefficient of the steel wire rope 1, the tail end of the steel wire rope 1 is connected with a fixed block, in this embodiment, a conical block; the fixing piece 4 is provided with an accommodating cavity matched with the fixing block, and the accommodating cavity is a conical mounting hole in the embodiment; one end of the steel wire rope 1 penetrates into the conical mounting hole and is fixedly connected to the conical block, so that the conical block abuts against the inner wall of the conical mounting hole, and the steel wire rope 1 is fixedly connected to the fixing piece 4.
It should be noted that, in other embodiments, the fixing block and the accommodating cavity may also have other shapes, which is not described herein.
In this embodiment, the expansion sleeve 3 is a C-shaped structure, and in the process that the expansion sleeve 3 is gradually inserted into the tapered hole of the mounting portion 2, the expansion sleeve 3 is extruded from the inner wall of the tapered hole, and the open through groove in the C-shaped structure provides a deformation space for the expansion sleeve 3, so that the expansion sleeve 3 can clamp the steel wire rope 1 therein; but also to steel cords 1 of different outer diameters.
In other embodiments, the expansion sleeve 3 may also be configured to elastically deform to clamp the steel cable 1. Specifically, the one end that the tight cover 3 that expands inserted in the bell mouth is equipped with two at least jack catchs, and two at least jack catchs form the perforation that is used for wearing to establish wire rope 1 along the circumference interval distribution that the tight cover 3 that expands, and at the tight in-process that 3 inserts the bell mouth of installation department 2 gradually that expands, the jack catch will take place elastic deformation under the squeezing action of bell mouth inner wall to the chucking is from the wire rope 1 that passes in the perforation.
Because the tight cover 3 that expands is pushed behind the bell mouth, the tight cover 3 that expands is difficult to deviate from the bell mouth, consequently when withdrawing the tensile load who applies to wire rope 1, the tight cover 3 that expands still fixed mounting in the bell mouth of installation department 2, when changing the product that awaits measuring, only need the dismouting connect the installation department 2 with the fastener of the product that awaits measuring can, need not to readjust straining device, the dismouting is efficient.
Further, in order to realize the installation of installation department 2 and the product of being surveyed, be provided with the mounting hole along its circumference distribution on the installation department 2, the mounting hole corresponds the setting with the preformed hole on the product that awaits measuring, passes the mounting hole through the fastener and is connected in the preformed hole that corresponds, realizes installing department 2 and the product fixed connection of being surveyed. In this embodiment, the mounting holes correspond to the preformed holes one to one. Adopt above-mentioned mode to connect the product that awaits measuring and installation department 2, have simple structure, easy dismounting's characteristics.
In order to facilitate connecting other structures on the balance tool with the tensioning mechanism, the product to be tested is lifted through the tensioning mechanism, the tensioning mechanism further comprises a connecting piece 5, the tail end of the steel wire rope 1, far away from the fixing piece 4, is fixedly installed at one end of the connecting piece 5, the other end of the connecting piece 5 is provided with a ring eye, a hook of equipment on the balance tool is hooked with the ring eye, connection between other structures on the tensioning mechanism and the balance tool can be achieved, and disassembly is convenient.
It should be noted that, here, the connection manner of the steel cable 1 and the connecting member 5 is the same as the connection manner of the steel cable 1 and the fixing member 4, and the description thereof is not repeated.
The product that awaits measuring in this embodiment is wheel hub subassembly, and straining device is the partly of the balanced frock when carrying out the static balance test to the wheel hub subassembly, lifts the wheel hub subassembly through this straining device. The tensioning mechanism is not limited to be applied to a balance tool used for static balance test of the hub assembly, and can also be applied to other equipment for hoisting or dragging heavy objects.
The embodiment also provides a balance tool which comprises the tensioning mechanism. When the balance tool with the tensioning mechanism is used for carrying out static balance test on the hub assembly, the steel wire rope 1 and the installation part 2 are not easy to loosen or even separate, stable static load can be provided through the tensioning mechanism, and the hub assembly can be effectively prevented from falling.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. The utility model provides a tensioning mechanism, includes wire rope (1), its characterized in that still includes and follows wire rope (1) axial distributes in proper order and the cover is located wire rope (1) surface:
the mounting part (2) is used for detachably connecting a product to be tested, and a tapered hole is formed in the mounting part (2);
the tight subassembly expands, the outer wall of the tight subassembly that expands be equipped with bell mouth inner wall complex conical surface, expand tight subassembly fixed connection in wire rope (1), the one end of the tight subassembly that expands can insert under the pulling effect of wire rope (1) in the bell mouth and can take place elastic deformation under the squeezing action of bell mouth inner wall in order to press from both sides tightly wire rope (1).
2. The tensioning mechanism of claim 1, wherein the expansion assembly comprises:
the conical surface is arranged on the expansion sleeve (3);
one end of the steel wire rope (1) sequentially penetrates through the mounting part (2) and the expansion sleeve (3) and is fixedly connected to the fixing part (4); the expansion sleeve (3) and the fixing piece (4) are integrally arranged.
3. The tensioning mechanism of claim 1, wherein the expansion assembly comprises:
the conical surface is arranged on the expansion sleeve (3);
one end of the steel wire rope (1) sequentially penetrates through the mounting part (2) and the expansion sleeve (3) and is fixedly connected to the fixing part (4); the expansion sleeve (3) and the fixing piece (4) are arranged in a split mode, and the fixing piece can push the expansion sleeve (3) to enter the conical hole and extrude the inner wall of the conical hole under the pulling action of the steel wire rope (1).
4. The tightening mechanism according to claim 3, characterized in that one end of the expansion sleeve (3) close to the fixing piece (4) is at least partially located outside the tapered hole all the time, so that the fixing piece (4) abuts against the expansion sleeve (3);
or, the one end that tight cover (3) expand is close to mounting (4) does not stretch out the bell mouth, mounting (4) are close to tight cover (3) one end external diameter less than or equal to expand tight cover (3) are close to the external diameter of the one end of mounting (4).
5. The tensioning mechanism according to claim 4, characterized in that the expansion sleeve (3) is provided with a through hole for passing the steel wire rope (1), and the outer diameter of the fixing member (4) near one end of the expansion sleeve (3) is larger than the diameter of the through hole.
6. Tensioning mechanism according to any of claims 2 to 5, characterized in that the expansion sleeve (3) is of C-shaped construction.
7. The tensioning mechanism according to any one of claims 2 to 5, characterized in that one end of the expansion sleeve (3) is provided with at least two jaws, which are distributed at intervals along the circumference of the expansion sleeve (3) to form through holes for passing through the steel cable (1), and which can be elastically deformed to clamp the steel cable (1).
8. The tightening mechanism according to any one of claims 1 to 5, characterized by further comprising:
connecting piece (5), the one end of wire rope (1) is passed installation department (2) and fixed connection in the one end of connecting piece (5), the other end of connecting piece (5) is equipped with the eye.
9. The tensioning mechanism according to any one of claims 1 to 5, characterized in that the mounting portion (2) is provided with a plurality of mounting holes distributed along its circumference, the mounting holes corresponding to the prepared holes on the product to be tested.
10. A balancing tool comprising a tensioning mechanism according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121605910.4U CN215160245U (en) | 2021-07-15 | 2021-07-15 | Tensioning mechanism and balance tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121605910.4U CN215160245U (en) | 2021-07-15 | 2021-07-15 | Tensioning mechanism and balance tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215160245U true CN215160245U (en) | 2021-12-14 |
Family
ID=79395057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121605910.4U Active CN215160245U (en) | 2021-07-15 | 2021-07-15 | Tensioning mechanism and balance tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215160245U (en) |
-
2021
- 2021-07-15 CN CN202121605910.4U patent/CN215160245U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A tensioning mechanism and balancing fixture Effective date of registration: 20230413 Granted publication date: 20211214 Pledgee: Industrial Bank Co.,Ltd. Shanghai Branch Pledgor: KUAIBEI NEW ENERGY TECHNOLOGY (SHANGHAI) Co.,Ltd.|SHANGHAI TN INDUSTRIAL CO.,LTD. Registration number: Y2023310000122 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20211214 Pledgee: Industrial Bank Co.,Ltd. Shanghai Branch Pledgor: KUAIBEI NEW ENERGY TECHNOLOGY (SHANGHAI) Co.,Ltd.|SHANGHAI TN INDUSTRIAL CO.,LTD. Registration number: Y2023310000122 |