CN111531074A - Spoke pretensioning machine - Google Patents
Spoke pretensioning machine Download PDFInfo
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- CN111531074A CN111531074A CN202010442078.4A CN202010442078A CN111531074A CN 111531074 A CN111531074 A CN 111531074A CN 202010442078 A CN202010442078 A CN 202010442078A CN 111531074 A CN111531074 A CN 111531074A
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- spoke
- jig
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- fixed
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- 239000002184 metal Substances 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F9/00—Straining wire
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a spoke pre-tensioning machine, which belongs to the field of spoke pre-tensioning and comprises an installation base plate, a traction sensing assembly, a spoke threaded end jig assembly used for fixing a spoke threaded end metal piece and an adjustable spoke T head end jig assembly used for fixing a spoke T head end metal piece. The spoke pretensioning machine has high product qualification rate, can adapt to pretensioning of spokes with various length specifications, and can ensure that the value of the spoke pretensioning force is within a set range.
Description
Technical Field
The invention belongs to the technical field of spoke pretensioning, and particularly relates to a spoke pretensioning machine.
Background
The conventional bicycle spoke needs to be pre-tightened, so that the threaded end metal piece and the T-head end metal piece are fixed at two ends of the spoke. If the pre-tensioning force of the spoke is not recorded, whether the tension is in a required range is not easy to ensure; in the tensioning process, due to the action of tension, the spokes are easy to distort and deform, so that the outer planes of the spoke screw thread caps, the flat surfaces of the spoke bodies and the flat surfaces of the T-shaped ends are difficult to ensure to be parallel to each other, and the defective rate is relatively high; the length specification of the spokes changes along with the change of market requirements, and different spoke tensioning machines are required to be manufactured according to the length specification of each spoke, so that the processing cost is greatly increased.
Disclosure of Invention
The invention aims to provide a spoke pretensioning machine which is high in product qualification rate, can adapt to pretensioning of spokes with various length specifications and can ensure that the value of the spoke pretensioning force is within a set range.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a spoke pretensioning machine which comprises an installation base plate, a traction sensing assembly, a spoke threaded end jig assembly used for fixing a spoke threaded end metal piece and an adjustable spoke T head end jig assembly used for fixing a spoke T head end metal piece, wherein the traction sensing assembly, the spoke threaded end jig assembly and the adjustable spoke T head end jig assembly are fixedly installed on the base plate in a straight line mode, the central lines of the traction sensing assembly, the spoke threaded end jig assembly and the adjustable spoke T head end jig assembly are located on the same straight line, the action end of the traction sensing assembly is fixedly connected with the sliding end of the spoke threaded end jig assembly, and the adjustable spoke T head end jig assembly is provided with a guiding structure used for guiding a spoke body.
Preferably, pull sensing component and draw pressure sensor including adjustable cylinder, cylinder saddle, cylinder connection tooth pole and S type, the cylinder saddle is fixed in one side at mounting plate top, and adjustable cylinder is fixed in one side of cylinder saddle, and the one end of adjustable cylinder is passed the cylinder saddle and is connected with the cylinder and connect the tooth pole, and the one end fixedly connected with S type that the cylinder is connected the tooth pole draws pressure sensor, and the pressure sensor is drawn to the S type and spoke thread end tool subassembly fixed connection.
Preferably, two supporting plates are fixed to the other side of the cylinder saddle, are symmetrically arranged in the front and back direction of the center line of the cylinder saddle and are fixedly connected with the mounting base plate.
Preferably, spoke thread end tool subassembly is including taut linear guide, taut linear slide, first slip table, spoke thread end fixed tool, and the thread end pull head, mounting plate's top is fixed with two taut linear guide, two taut linear guide set up along mounting plate central line longitudinal symmetry, sliding connection has taut linear slide on the taut linear guide, the top of taut linear slide is fixed with first slip table, the holding tank has been seted up to the top central point of first slip table, spoke thread end fixed tool sets up the inside at the holding tank, and keep away from and pull the sensing subassembly setting, the thread end pull head revolves on spoke thread end metalwork during the use, lean on with spoke thread end fixed tool counterbalance during taut.
Preferably, the spoke threaded end fixing jig is provided with a first limiting groove, the first limiting groove is provided with two first limiting surfaces used for limiting the outer plane of the spoke threaded end metal piece, and the two first limiting surfaces are parallel to each other.
Preferably, the adjustable spoke T head end jig assembly comprises a spoke guide jig, a tailstock jig supporting block, a tailstock jig mounting plate, a spoke T head end fixing jig, an adjustable dovetail slide table, a guide linear slider and a guide linear guide rail, the adjustable dovetail slide table is fixed on the other side of the top of the mounting base plate, the tailstock jig mounting plate is fixed on the top of the sliding end of the adjustable dovetail slide table, the spoke T head end fixing jig is detachably fixed on one side of the tailstock jig mounting plate, the two tailstock jig supporting blocks are fixed on the other side of the tailstock jig mounting plate and symmetrically arranged along the central line of the tailstock jig mounting plate, the guide linear guide rail is fixed at the central position of the top of the sliding end of the adjustable dovetail slide table and is positioned between the two tailstock jig supporting blocks, the guide linear guide rail is connected with the guide linear slider in a sliding manner, and the spoke guide jig is fixed on the top of the, the spoke guide jig is located between the spoke T head end fixing jig and the spoke thread end jig component.
Preferably, the central point at spoke direction tool top puts and has seted up the second spacing groove, and the second spacing groove runs through the left and right sides of spoke direction tool, and the second spacing groove has and is used for carrying out spacing two spacing faces of second to the flat surface of spoke body, and two spacing faces of second are parallel to each other.
Preferably, one end of the second limiting groove close to the fixing jig for the head end of the spoke T is provided with an expansion part.
Preferably, the bottom of the second limiting groove and the bottom of the expansion part are both provided with a yielding groove.
Preferably, the fixed tool's of spoke T head end stiff end totally two, and two stiff ends set up along the central line longitudinal symmetry of the fixed tool of spoke T head end, and the central point of stiff end puts and has seted up the third spacing groove, and the third spacing groove has and is used for carrying on spacing two third spacing faces to the flat surface of spoke T head end metalwork, and two third spacing faces are parallel to each other, and the central line of first spacing groove, second spacing groove and third spacing groove all is located same straight line.
The invention has the beneficial effects that:
1. through the first spacing groove of the fixed tool of spoke threaded end, the second spacing groove of the spoke direction tool, the third spacing groove of the fixed tool of spoke T head end, the guide effect of the direction linear slide block and the direction linear guide in the adjustable spoke T head end tool assembly is combined, the outer plane of the spoke screw thread cap, the flat surface of the spoke body and the flat surface of the spoke T head end metal part are ensured to be parallel to each other, and the qualification rate of products is greatly improved.
2. The pre-tightening of the metal piece at the threaded end of the spoke is realized through the matching of the fixture at the threaded end of the spoke and the pull head at the threaded end, and the damage to the metal piece at the threaded end of the spoke caused by direct clamping is avoided.
3. Through the setting of adjustable forked tail slip table, the spoke pretension of adaptable various length specifications is handled.
4. The adjustable cylinder provides traction tension, and the pressure sensor records and transmits a tension value to ensure that the pre-tension value of the spoke is within a set range.
5. Two stiff ends of spoke T head end fixing jig are used one and are equipped with, practice thrift processing cost and life.
6. The arrangement of the expansion part can accommodate the T-head end circular part of the spoke body, so that the guiding effect on the spoke when in tensioning is further enhanced, and the spoke is prevented from being distorted and deformed.
7. When the spokes are tensioned, the spoke guide jig can slightly move left and right along with the spokes, and the friction force between the spokes and the spoke guide jig is reduced while the spoke guide jig plays a role in guiding.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a perspective view of the draft sensing assembly of the present invention.
Fig. 3 is a schematic perspective view of the spoke screw end jig assembly of the present invention.
Fig. 4 is an enlarged schematic view of a in fig. 3.
FIG. 5 is a schematic view of the engagement of the spoke thread end fixing jig, the thread end slider and the spoke thread end metal piece of the present invention.
Fig. 6 is a schematic perspective view of the adjustable spoke T-head jig assembly of the present invention (except for the adjustable dovetail slide table).
Fig. 7 is a left side view of the adjustable spoke T-head jig assembly of the present invention.
Fig. 8 is a schematic perspective view of a spoke guiding jig according to the present invention.
Fig. 9 is an enlarged schematic view of B in fig. 8.
Fig. 10 is a schematic view of the spoke T-head fixing jig and the spoke T-head metal piece.
FIG. 11 is a perspective view of a spoke.
The labels in the figures are: 1-mounting base plate, 2-traction sensing component, 21-adjustable cylinder, 22-cylinder saddle, 23-support plate, 24-cylinder connecting tooth rod, 25-S type tension pressure sensor, 3-spoke threaded end jig component, 31-tensioning linear guide rail, 32-tensioning linear slide block, 33-first sliding table, 34-spoke threaded end fixing jig, 341-first limit groove, 3410-first limit surface, 35-threaded end pull head, 36-holding groove, 4-adjustable spoke T head end jig component, 41-spoke guiding jig, 411-second limit groove, 4110-second limit surface, 412-expanding part, 413-avoiding groove, 42-tailstock jig support block, 43-tailstock jig mounting plate, 44-spoke T head end fixing jig, 441-a fixed end, 442-a third limit groove, 4420-a third limit surface, 45-an adjustable dovetail sliding table, 46-a guide linear sliding block, 47-a guide linear guide rail, 100-a spoke thread end metal piece, 200-a spoke T head end metal piece and 300-a spoke body.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
Those not described in detail in this specification are within the skill of the art. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 11, the spoke pretensioning machine provided in this embodiment includes an installation base plate 1, a pulling sensor assembly 2, a spoke thread end fixture assembly 3 for fixing a spoke thread end metal piece 100, and an adjustable spoke T head end fixture assembly 4 for fixing a spoke T head end metal piece 200, the fixing position of the spoke T head end metal piece 200 can be adjusted, and the spoke pretensioning machine is adaptable to spokes of various length specifications, the spoke of this embodiment takes a carbon spoke as an example, the pulling sensor assembly 2, the spoke thread end fixture assembly 3, and the adjustable spoke T head end fixture assembly 4 are fixedly installed on the base plate in a straight line, and the central lines are located on the same straight line, the action end of the pulling sensor assembly 2 is fixedly connected with the sliding end of the spoke thread end fixture assembly 3, the adjustable spoke T head end fixture assembly 4 has a guiding structure for guiding a spoke body 300, the qualification rate is improved. Through the traction sensing assembly 2, the traction force is provided, and meanwhile, the tension value is recorded and transmitted, so that the spoke pretensioning force value is ensured to be within a set range.
Further, pull sensing subassembly 2 and include adjustable cylinder 21, cylinder saddle 22, cylinder connection tooth pole 24, and the pressure sensor 25 is drawn to the S type, cylinder saddle 22 fixes the left side at 1 top of mounting plate, adjustable cylinder 21 fixes the left side at cylinder saddle 22, the right-hand member of adjustable cylinder 21 passes cylinder saddle 22 and is connected with cylinder connection tooth pole 24, the right-hand member fixedly connected with S type that cylinder connection tooth pole 24 draws pressure sensor 25, the pressure sensor 25 is drawn to the S type and spoke thread end tool subassembly 3 fixed connection. The adjustable cylinder 21 provides a pulling force, and the pulling force is transmitted to the spoke threaded end jig assembly 3 through the cylinder connecting threaded rod 24 and the S-shaped pulling pressure sensor 25, so that the spoke is tensioned, and the spoke threaded end metal piece 100 (threaded cap) and the spoke T-head end metal piece 200 are fixed at two ends of the spoke along a specific circumferential direction. The S-shaped tension and pressure sensor 25 records and transmits the tension value to the controller while transmitting the force, and the controller controls the extension degree of the adjustable cylinder 21 to control the pre-tension force of the spoke within a set range.
Further, two supporting plates 23 are fixed on the right side of the cylinder saddle 22, and the two supporting plates 23 are symmetrically arranged in front and back along the center line of the cylinder saddle 22 and are fixedly connected with the mounting base plate 1. The support plate 23 serves to support the cylinder saddle 22 and ensures the stability of the adjustable cylinder 21 during operation, and thus the stability of the pretensioning process.
Further, the spoke thread end jig assembly 3 comprises a tensioning linear guide rail 31, a tensioning linear slide block 32, a first sliding table 33, a spoke thread end fixing jig 34 and a thread end pull head 35, wherein the top of the mounting base plate 1 is fixedly provided with the two tensioning linear guide rails 31, the two tensioning linear guide rails 31 are symmetrically arranged back and forth along the central line of the mounting base plate 1, the tensioning linear guide rail 31 is connected with the tensioning linear slide block 32 in a sliding manner, the top of the tensioning linear slide block 32 is fixedly provided with the first sliding table 33, the top central position of the first sliding table 33 is provided with an accommodating groove, the spoke thread end fixing jig 34 is arranged in the accommodating groove and far away from the traction sensing assembly 2, the spoke thread end pull head is positioned at the right side of the accommodating groove, the thread end pull head 35 is screwed on the external thread of the spoke thread end metal piece 100 when in use, and is abutted against the left, the pre-tensioning of the spoke threaded end metal piece 100 is realized through the matching of the spoke threaded end fixing jig 34 and the threaded end pull head, and the damage to the spoke threaded end metal piece 100 caused by directly clamping the spoke threaded end metal piece is avoided.
Further, a first limiting groove 341 is formed on the spoke threaded end fixing jig 34, the first limiting groove 341 has two first limiting surfaces 3410 for limiting the outer plane of the spoke threaded end metal part 100, and the two first limiting surfaces 3410 are parallel to each other. The first limit groove 341 limits the outer plane of the screw cap at the threaded end, and the outer plane of the screw cap at the threaded end of the spoke is fixed along a specific circumferential direction when being tensioned by combining the screw end pull head 35.
Further, adjustable spoke T head end tool subassembly 4 includes spoke direction tool 41, tailstock tool supporting shoe 42, tailstock tool mounting panel 43, the fixed tool 44 of spoke T head end, adjustable forked tail slip table 45, direction straight line slider 46 and direction linear guide 47, and the right side at mounting plate 1 top is fixed with adjustable forked tail slip table 45, and adjustable forked tail slip table 45 is prior art, does not do the perusal here. The position of the spoke T head end fixing jig 44 can be adjusted through the adjustable dovetail sliding table 45 so as to be suitable for pre-tensioning treatment of spokes with different length specifications, a tailstock jig mounting plate 43 is fixed at the top of the sliding end of the adjustable dovetail sliding table 45, the spoke T head end fixing jig 44 is detachably fixed on the right side of the tailstock jig mounting plate 43, and specifically, the spoke T head end fixing jig is detachably fixed on the tailstock jig mounting plate 43 through bolts, two tailstock jig supporting blocks 42 are fixed on the left side of the tailstock jig mounting plate 43 and play a supporting role, the two tailstock jig supporting blocks 42 are symmetrically arranged back and forth along the central line of the tailstock jig mounting plate 43, the guide linear guide rail 47 is fixed at the central position of the top of the sliding end of the adjustable dovetail sliding table 45 and is positioned between the two tailstock jig supporting blocks 42, a guide linear slider 46 is slidably connected on the guide linear guide rail 47, and a spoke guide jig 41 is, the spoke guiding jig 41 is located between the spoke T head end fixing jig 44 and the spoke screw end jig assembly 3. Through the arrangement of the guide linear guide rail and the guide linear sliding block 46, the stability in the pre-tensioning process is improved, and the qualified rate is improved. When the spokes are tensioned, the spoke guide jig 41 can slightly move left and right along with the spokes, so that the friction force between the spokes and the spoke guide jig 41 is reduced while the guiding effect is achieved.
Further, a second limiting groove 411 is formed in the center of the top of the spoke guide jig 41, the second limiting groove 411 penetrates through the left side and the right side of the spoke guide jig 41, the second limiting groove 411 is provided with two second limiting surfaces 4110 used for limiting the flat surface of the spoke body 300, and the two second limiting surfaces 4110 are parallel to each other. The spoke body 300 is guided and limited by the second limiting groove 411.
Further, the second limiting groove 411 is provided with an expansion part 412 near the right end of the spoke T-end fixing jig 44, and the expansion part 412 can accommodate the T-end circular part of the spoke body 300, so that the guiding effect on the spoke during tensioning is further enhanced, and the spoke is prevented from being distorted.
Further, the bottoms of the second limiting groove 411 and the expansion part 412 are both provided with a yielding groove 413 for yielding the burr of the spoke body 300.
Further, the two fixing ends 441 of the spoke T-head end fixing jig 44 are two, the two fixing ends 441 are symmetrically arranged up and down along the central line of the spoke T-head end fixing jig 44, one is used and one is spare, the processing cost is saved, and the service life is prolonged, the central position of the fixing ends 441 is provided with a third limiting groove 442, the third limiting groove 442 is provided with two third limiting surfaces 4420 used for limiting the flat surface of the spoke T-head end metal piece 200, the two third limiting surfaces 4420 are parallel to each other, the central lines of the first limiting groove 341, the second limiting groove 411 and the third limiting groove 442 are all located on the same straight line, the outer plane of the spoke nut, the flat surface of the spoke body 300 and the flat surface of the spoke T-head end metal piece 200 are ensured to be parallel to each other through the first limiting surface 3410, the second limiting surface 4110 and the third limiting surface 4420, and the qualification rate of products is greatly improved.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the invention belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. Spoke pretension machine, its characterized in that:
the device comprises an installation bottom plate, a traction sensing assembly, a spoke threaded end jig assembly used for fixing a spoke threaded end metal piece, and an adjustable spoke T head end jig assembly used for fixing a spoke T head end metal piece;
the traction sensing assembly, the spoke threaded end jig assembly and the adjustable spoke T-head end jig assembly are fixedly arranged on the bottom plate in a straight line, and the central lines of the traction sensing assembly, the spoke threaded end jig assembly and the adjustable spoke T-head end jig assembly are positioned on the same straight line;
the action end of the traction sensing assembly is fixedly connected with the sliding end of the spoke threaded end jig assembly;
the adjustable spoke T head end jig assembly is provided with a guide structure used for guiding the spoke body.
2. The spoke prestretching machine of claim 1, characterized in that:
the traction sensing assembly comprises an adjustable cylinder, a cylinder saddle, a cylinder connecting tooth rod and an S-shaped pull pressure sensor;
the cylinder saddle is fixed on one side of the top of the mounting bottom plate;
the adjustable air cylinder is fixed on one side of the air cylinder saddle, one end of the adjustable air cylinder penetrates through the air cylinder saddle and is connected with an air cylinder connecting tooth rod, one end of the air cylinder connecting tooth rod is fixedly connected with an S-shaped pulling pressure sensor, and the S-shaped pulling pressure sensor is fixedly connected with the spoke threaded end jig assembly.
3. The spoke prestretching machine of claim 2, characterized in that:
and two supporting plates are fixed on the other side of the cylinder saddle, are symmetrically arranged in the front and back direction along the central line of the cylinder saddle and are fixedly connected with the mounting bottom plate.
4. The spoke prestretching machine of claim 1, characterized in that:
the spoke threaded end jig assembly comprises a tensioning linear guide rail, a tensioning linear sliding block, a first sliding table, a spoke threaded end fixing jig and a threaded end pull head;
two tensioning linear guide rails are fixed at the top of the mounting base plate, the two tensioning linear guide rails are symmetrically arranged in front and back along the central line of the mounting base plate, a tensioning linear sliding block is connected onto the tensioning linear guide rails in a sliding mode, and a first sliding table is fixed at the top of the tensioning linear sliding block;
a containing groove is formed in the center of the top of the first sliding table, and a fixture for fixing the threaded end of the spoke is arranged in the containing groove and far away from the traction sensing assembly;
when in use, the threaded end pull head is screwed on the spoke threaded end metal piece and abuts against the spoke threaded end fixing jig when in tensioning.
5. The spoke prestretching machine of claim 4, characterized in that:
the spoke threaded end fixing jig is provided with a first limiting groove, the first limiting groove is provided with two first limiting surfaces used for limiting the outer plane of a spoke threaded end metal piece, and the two first limiting surfaces are parallel to each other.
6. The spoke prestretching machine of claim 5, characterized in that:
the adjustable spoke T head end jig assembly comprises a spoke guide jig, a tailstock jig supporting block, a tailstock jig mounting plate, a spoke T head end fixing jig, an adjustable dovetail sliding table, a guide linear sliding block and a guide linear guide rail;
an adjustable dovetail sliding table is fixed on the other side of the top of the mounting bottom plate;
a tailstock jig mounting plate is fixed at the top of the sliding end of the adjustable dovetail sliding table, a spoke T-head end fixing jig is detachably fixed on one side of the tailstock jig mounting plate, two tailstock jig supporting blocks are fixed on the other side of the tailstock jig mounting plate, and the two tailstock jig supporting blocks are symmetrically arranged in the front-back direction of the center line of the tailstock jig mounting plate;
the guide linear guide rail is fixed at the central position of the top of the sliding end of the adjustable dovetail sliding table and is positioned between the two tailstock jig supporting blocks;
the spoke guide device is characterized in that a guide linear sliding block is connected to the guide linear guide rail in a sliding mode, a spoke guide jig is fixed to the top of the guide linear sliding block, and the spoke guide jig is located between the spoke T head end fixing jig and the spoke thread end jig component.
7. The spoke prestretching machine of claim 6, characterized in that:
the center position at spoke direction tool top has seted up the second spacing groove, the second spacing groove runs through the left and right sides of spoke direction tool, the second spacing groove has and is used for carrying on spacing two spacing faces of second to the flat surface of spoke body, two the spacing face of second is parallel to each other.
8. The spoke prestretching machine of claim 7, characterized in that:
one end of the second limiting groove, which is close to the fixed jig at the head end of the spoke T, is provided with an expansion part.
9. The spoke prestretching machine of claim 8, characterized in that:
the bottoms of the second limiting groove and the expansion part are provided with abdicating grooves.
10. The spoke prestretching machine of claim 7, characterized in that:
the spoke T head end fixing jig comprises two fixing ends, the two fixing ends are arranged along the central line of the spoke T head end fixing jig in an up-and-down symmetrical mode, a third limiting groove is formed in the center of each fixing end, each third limiting groove is provided with two third limiting surfaces used for limiting the flat surface of the spoke T head end metal piece, and the two third limiting surfaces are parallel to each other;
the central lines of the first limiting groove, the second limiting groove and the third limiting groove are all located on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010442078.4A CN111531074A (en) | 2020-05-22 | 2020-05-22 | Spoke pretensioning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010442078.4A CN111531074A (en) | 2020-05-22 | 2020-05-22 | Spoke pretensioning machine |
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| Publication Number | Publication Date |
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| CN111531074A true CN111531074A (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010442078.4A Pending CN111531074A (en) | 2020-05-22 | 2020-05-22 | Spoke pretensioning machine |
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| CN (1) | CN111531074A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1422078A1 (en) * | 2002-11-21 | 2004-05-26 | Campagnolo Srl | Spoked wheel for a bicycle |
| CN107860506A (en) * | 2017-10-27 | 2018-03-30 | 昆山市计量检测中心 | A kind of spoke tension force measuring device |
| CN108414184A (en) * | 2018-03-16 | 2018-08-17 | 大连理工大学 | A kind of model supporting device and method based on the support of double tails and bracing cable support |
| CN208811555U (en) * | 2018-10-26 | 2019-05-03 | 杭州职业技术学院 | A kind of machine tooling centre frame with positioning function |
| CN110470543A (en) * | 2019-09-10 | 2019-11-19 | 洛阳理工学院 | A kind of drag-line prestretching detection machine |
| CN209802859U (en) * | 2019-04-19 | 2019-12-17 | 金华辉煌三联工具实业有限公司 | Saw chain pre-drawing machine |
| CN212525802U (en) * | 2020-05-22 | 2021-02-12 | 厦门鸿基伟业复材科技有限公司 | Spoke pretensioning machine |
-
2020
- 2020-05-22 CN CN202010442078.4A patent/CN111531074A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1422078A1 (en) * | 2002-11-21 | 2004-05-26 | Campagnolo Srl | Spoked wheel for a bicycle |
| CN107860506A (en) * | 2017-10-27 | 2018-03-30 | 昆山市计量检测中心 | A kind of spoke tension force measuring device |
| CN108414184A (en) * | 2018-03-16 | 2018-08-17 | 大连理工大学 | A kind of model supporting device and method based on the support of double tails and bracing cable support |
| CN208811555U (en) * | 2018-10-26 | 2019-05-03 | 杭州职业技术学院 | A kind of machine tooling centre frame with positioning function |
| CN209802859U (en) * | 2019-04-19 | 2019-12-17 | 金华辉煌三联工具实业有限公司 | Saw chain pre-drawing machine |
| CN110470543A (en) * | 2019-09-10 | 2019-11-19 | 洛阳理工学院 | A kind of drag-line prestretching detection machine |
| CN212525802U (en) * | 2020-05-22 | 2021-02-12 | 厦门鸿基伟业复材科技有限公司 | Spoke pretensioning machine |
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