CN110763114B - Blade distance measuring device and method of blade lock - Google Patents
Blade distance measuring device and method of blade lock Download PDFInfo
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- CN110763114B CN110763114B CN201911185436.1A CN201911185436A CN110763114B CN 110763114 B CN110763114 B CN 110763114B CN 201911185436 A CN201911185436 A CN 201911185436A CN 110763114 B CN110763114 B CN 110763114B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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Abstract
The invention provides a blade spacing measuring device and method of a blade lock, which relate to the technical field of measuring tools and comprise the following steps: a first measurement component comprising: the two sides of the first main body are respectively provided with a connecting block, and each connecting block is provided with a first hole; the second hole is arranged at the bottom of the first main body; the first through hole is positioned above the second hole; the second through hole is positioned above the first through hole and has a first transverse interval with the first through hole; the first connecting rod is fixedly connected with the first main body, and the top of the first connecting rod is provided with a first L-shaped hook; a second measurement component comprising: the second main body is provided with a third through hole close to the bottom; the fourth through hole is positioned above the third through hole, and a second transverse interval is formed between the fourth through hole and the third through hole; the second connecting rod is arranged at the top of the second main body and fixedly connected with the second main body, and a second L-shaped hook is arranged at the top of the second connecting rod. The lock core does not need to be disassembled in the measuring process, the operation is simple, and the lock is not damaged.
Description
Technical Field
The invention relates to the technical field of measuring tools, in particular to a blade distance measuring device and method of a blade lock.
Background
The blade lock is one of locks, and modern blade side post lock utilizes the tartar that the inclined plane angle variation is different on the key to withstand the blade in the alignment lock core for the side post that originally blocks the lock sleeve falls into the lock core, thereby realizes that the lock core is rotatory to be opened. The blade lock mainly comprises a lock sleeve, a lock core, blades, side columns and the like, wherein the lock sleeve sleeves the lock core, and the side column capable of moving up and down is arranged between the lock sleeve and the lock core. When the key is not inserted, the side column is clamped between the lock sleeve and the lock cylinder, and the rotation of the lock cylinder is limited. After the key is inserted, the curve on the key drives the blades to move left and right, so that the grooves above the blades are aligned, the side column clamped between the lock sleeve and the lock cylinder can fall into the lock cylinder, and the lock can be unlocked by being driven by the rotation of the lock cylinder.
In applications such as lock safety assessment, the distance between each group of blades in the lock core needs to be accurately known, so that work such as data analysis in the later period is facilitated. In order to accurately know the distance between the blades, the lock core is disassembled, the small parts such as the blades, the springs and the side columns are taken out, and then the distance between the centers of the grooves for placing the blades is measured by using a measuring tool. The existing measuring method needs to be disassembled and unlocked, and has the following disadvantages: the difficulty of disassembling and unlocking is high; the blade lock is a compact piece, although not large, with more than 100 small parts, and is often difficult to disassemble, sometimes even using a wire cutting machine to cut the lock in order to obtain data on the parts within the lock. A great deal of time is required to disassemble the lock; the disassembled lock is difficult to reinstall; since more than 100 small parts such as the blade, the spring, the sheet, the snap ring and the like are not easy to store and lose, and are inconvenient to install and return into the lock, the disassembled lock is usually discarded in actual operation.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a blade distance measuring device of a blade lock, which specifically comprises:
a first measurement component, the first measurement component comprising:
the two sides of the first main body are respectively provided with a connecting block in a direction deviating from the first main body, and each connecting block is provided with a first hole;
the second hole is arranged at the bottom of the first main body;
the first through hole is formed in the first main body, is arranged along the length direction of the first main body and is positioned above the second hole;
the second through hole is formed in the first main body and is arranged along the length direction of the first main body, the second through hole is positioned above the first through hole, and a first transverse interval is formed between the second through hole and the first through hole;
the first connecting rod is arranged at the top of the first main body and fixedly connected with the first main body, and a first L-shaped hook is arranged at the top of the first connecting rod;
a second measuring member attached to an upper side of the first measuring member and longitudinally slidable along a contact surface with the first measuring member, the second measuring member including:
the second main body is close to the bottom and provided with a third through hole corresponding to the second through hole along the length direction of the second main body;
the fourth through hole is formed in the second main body and is arranged along the length direction of the second main body, the fourth through hole is positioned above the third through hole, and a second transverse interval is formed between the fourth through hole and the third through hole;
the second connecting rod is arranged at the top of the second main body and fixedly connected with the second main body, and a second L-shaped hook with the same direction as the first L-shaped hook is arranged at the top of the second connecting rod.
Preferably, when the first L-shaped hook is aligned with the second L-shaped hook, the first lateral spacing is aligned with the second lateral spacing.
Preferably, the length of the third through hole is greater than the distance between the top of the first through hole and the bottom of the first hole.
Preferably, the measuring device further comprises a rectangular base, a cross-shaped groove is formed in the rectangular base, the first main body of the first measuring component is fixed in the cross-shaped groove, and the second measuring component is attached to the upper portion of the first measuring component and can slide along the longitudinal direction of the cross-shaped groove.
Preferably, the two transverse sides of the cross-shaped groove are respectively provided with a first threaded hole, and the first measuring part is fixed in the cross-shaped groove through two first fasteners which penetrate through the first holes and are in threaded connection with the first threaded holes.
Preferably, the depth of the cross-shaped recess is equal to the sum of the thicknesses of the first and second measuring members.
Preferably, the clamping device further comprises a clamping gasket fixed on the rectangular base and located above the second through hole of the first body.
Preferably, the horizontal both sides of clamping washer are equipped with a third hole respectively, the last two second screw holes that correspond of rectangular base, clamping washer is fixed in through passing the third hole and with two second fastener of second screw hole threaded connection on the rectangular base.
Preferably, the measuring device further comprises a third fastening piece, a third threaded hole corresponding to the first hole is formed in the rectangular base, and the third fastening piece sequentially penetrates through the third through hole of the second measuring component and the first hole of the first measuring component and is in threaded connection with the third threaded hole so as to fix the second measuring component above the first measuring component.
A blade distance measuring method of a blade lock is applied to the blade distance measuring device of any one of the blade locks, the first measuring component is fixed on a rectangular base, and the second measuring component is fixed above the first measuring component through a third fastener which sequentially penetrates through the third through hole and the first hole;
when the first L-shaped hook is aligned with the second L-shaped hook, the first transverse interval is correspondingly aligned with the second transverse interval;
the blade pitch measurement method specifically includes the following steps:
step S1, unscrewing the third fastener to enable the second measuring component to slide longitudinally along the contact surface of the first measuring component;
step S2, extending the first connecting rod and the second connecting rod into the lock hole of the blade lock, rotating the rectangular base and adjusting the depth length of the second measuring component, so that the first L-shaped hook of the first connecting rod and the second L-shaped hook of the second connecting rod respectively hook the blade guide bosses of the two groups of blades of the blade lock;
step S3, screwing the third fastener to ensure that the second measuring component is attached to the first measuring component and does not slide along the contact surface of the first measuring component longitudinally;
and step S4, measuring the displacement variation between the first transverse interval and the second transverse interval by using a vernier caliper, and taking the displacement variation as the blade distance between the two corresponding groups of blades.
The technical scheme has the following advantages or beneficial effects:
1) the lock core does not need to be disassembled in the measuring process, the operation is simple, and the lock is not damaged;
2) the testing precision is +/-0.01 mm, the precision requirement of the lock core of the blade lock is met, and the technical requirement of measurement is met;
3) effectively saving the measurement cost and shortening the measurement period.
Drawings
FIG. 1 is a schematic view of a blade pitch measuring device of a blade lock according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a first measuring member according to a preferred embodiment of the present invention;
FIG. 3 is a schematic structural view of a second measuring member according to a preferred embodiment of the present invention;
FIG. 4 is a schematic view of a rectangular base according to a preferred embodiment of the present invention;
FIG. 5 is a schematic view of a clamping pad according to a preferred embodiment of the present invention;
fig. 6 is a flow chart illustrating a blade pitch measuring method of a blade lock according to a preferred embodiment of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present invention is not limited to the embodiment, and other embodiments may be included in the scope of the present invention as long as the gist of the present invention is satisfied.
In a preferred embodiment of the present invention, based on the above problems in the prior art, there is provided a blade pitch measuring device of a blade lock, as shown in fig. 1 to 5, specifically including:
a first measurement component, the first measurement component comprising:
the connecting structure comprises a first main body 11, wherein two sides of the first main body 11 are respectively provided with a connecting block 12 in a direction deviating from the first main body 11, and each connecting block 12 is provided with a first hole 13;
a second hole 14 disposed at the bottom of the first body 11;
a first through hole 15 opened on the first body 11 and arranged along the length direction of the first body 11 and located above the second hole 14;
the second through hole 16 is formed in the first main body 11 and is arranged along the length direction of the first main body 11, the second through hole 16 is positioned above the first through hole 15, and a first transverse interval 17 is formed between the second through hole 16 and the first through hole 16;
the first connecting rod 18 is arranged at the top of the first main body 11 and is fixedly connected with the first main body 11, and a first L-shaped hook 19 is arranged at the top of the first connecting rod 18;
the second measuring component is attached to the upper side of the first measuring component and can slide longitudinally along a contact surface of the second measuring component and the first measuring component, and the second measuring component comprises:
a second main body 21, a third through hole 22 corresponding to the second through hole 16 is opened on the second main body 21 near the bottom and along the length direction of the second main body 21;
the fourth through hole 23 is formed in the second main body 21 and is arranged along the length direction of the second main body 21, the fourth through hole 23 is positioned above the third through hole 22, and a second transverse interval 24 is formed between the fourth through hole 23 and the third through hole 22;
and the second connecting rod 25 is arranged at the top of the second main body 21 and is fixedly connected with the second main body 21, and the top of the second connecting rod 25 is provided with a second L-shaped hook 26 which has the same direction as the first L-shaped hook 19.
Specifically, in this embodiment, the blade pitch measuring apparatus of the present invention includes a first measuring component and a second measuring component, and is manufactured by using the principle that the guide boss of the inner blade of the blade lock protrudes out of the lock hole and is planar. The first measuring part is preferably a cross-shaped structure, the cross-shaped structure is composed of a first main body 11 in a rectangular shape, connecting blocks 12 on two sides of the first main body 11, and a first connecting rod 18 fixedly connected with the top of the first main body 11, and a first transverse interval 17 is formed between the first through hole 15 and the second through hole 16 by respectively forming the first through hole 15 and the second through hole 16 from bottom to top along the length direction of the first main body 11. By forming the first hole 13 on the connecting block 12, the first measuring member is conveniently fixed through the first hole 13.
The second measuring means is preferably a T-shaped structure, which is composed of a rectangular second body 21, a T-shaped handle 27 fixedly connected to the bottom of the second body 21, and a second link 25 fixedly connected to the top of the second body 21, and a second transverse gap 24 is formed between the third through hole 22 and the fourth through hole 23 by respectively forming the third through hole 22 and the fourth through hole 23 from bottom to top along the length direction of the first body 21.
Further, when the first measuring member and the second measuring member are used in combination, it is preferable that the first measuring member is fixed to a rectangular base 3 through the first hole 13, and the rectangular base 3 is formed with a cross-shaped recess 31 corresponding to the shape of the first body 11 of the first measuring member, so as to ensure that the first body 11 is completely located in the cross-shaped recess 31. It is further preferable that the first body 11 is further fixed on the rectangular base 3 by a first fastener 33 passing through the first hole 13 and the corresponding first threaded hole 32 provided on the rectangular base 3 to ensure that the first measuring component and the rectangular base 3 do not slide relative to each other.
Secondly, the second body 21 of the second measuring component is placed above the first measuring component, so that the second body 21 is ensured to be positioned in the longitudinal direction of the cross-shaped groove 31 and can slide relative to the first measuring component along the longitudinal direction, and the measurement of the subsequent blade pitch is realized. The sliding of the second measuring part is preferably achieved by holding a T-shaped handle 27 at the bottom of the second measuring part, which facilitates the operation. It is further preferred that a clamping gasket 4 is fixed above the rectangular base 3, and the clamping gasket 4 covers the longitudinal upper side of the cross-shaped groove 31, so that the sliding track of the second measuring component in the longitudinal direction relative to the first measuring component in the sliding process is ensured to be on the same horizontal plane, the second measuring component cannot tilt or tilt, and the final measuring result is prevented from being influenced. And then the third fastener 5 is sequentially passed through the third through hole 22 of the second measuring part and the first hole 13 of the first measuring part to be screwed with the third screw hole 35 to fix the second measuring part above the first measuring part.
Preferably, when the first measuring member and the second measuring member are used in combination, the first L-shaped hook 19 of the first measuring member is aligned with the second L-shaped hook 26 of the second measuring member, i.e. when there is no displacement variation between the first L-shaped hook 19 and the second L-shaped hook 26, the first transverse interval 17 is aligned with the second transverse interval 24, and there is no displacement variation.
Finally, the assembled blade distance measuring device is inserted into a lock hole of the blade lock, and the first L-shaped hook 19 and the second L-shaped hook 26 are driven to face in the direction of rotating the rectangular base 3. At this time, the third fastener 5 is in a unscrewed state, that is, the second measuring part can slide longitudinally relative to the first measuring part, and after the adjustment of the orientations of the first L-shaped hook 19 and the second L-shaped hook 26 is completed, the T-shaped handle 27 of the second measuring part is pulled to stretch the second measuring part in a direction departing from the lock hole, so that the first L-shaped hook 19 and the second L-shaped hook 26 respectively hook the leaf guide bosses of the two groups of leaves. At this point, the third fastening element 5 is tightened so that the second measuring part cannot slide longitudinally relative to the first measuring part, and the blade pitch measuring device is subsequently removed from the keyhole. Since the first L-shaped hook 19 of the first measuring part is aligned with the second L-shaped hook 26 of the second measuring part, i.e. there is no displacement variation between the first L-shaped hook 19 and the second L-shaped hook 26, the first transverse interval 17 is correspondingly aligned with the second transverse interval 24 and there is no displacement variation. Then, the amount of displacement variation between the first L-shaped hook 19 and the second L-shaped hook 26 due to the blade pitch of the two sets of blades is equal to the amount of displacement variation between the first transverse interval 17 and the second transverse interval 24, and the blade pitch between the two corresponding sets of blades is obtained by measuring the amount of displacement variation between the first transverse interval 17 and the second transverse interval 24. The amount of change in displacement is preferably measured with a vernier caliper.
In the preferred embodiment of the present invention, when the first L-shaped hook 19 is aligned with the second L-shaped hook 26, the first transverse space 17 is aligned with the second transverse space 24.
In the preferred embodiment of the present invention, the length of the third through hole 22 is greater than the distance from the top of the first through hole 15 to the bottom of the first hole 13.
In the preferred embodiment of the present invention, the measuring device further comprises a rectangular base 3, a cross-shaped groove 31 is formed on the rectangular base 3, the first body 11 of the first measuring component is fixed in the cross-shaped groove 31, and the second measuring component is attached to the upper side of the first measuring component and can slide along the longitudinal direction of the cross-shaped groove 31.
In the preferred embodiment of the present invention, the cross-shaped recess 31 is provided with a first threaded hole 32 at each of the two lateral sides thereof, and the first measuring member is fixed in the cross-shaped recess 31 by two first fastening members 33 passing through the first holes 13 and threadedly coupled to the first threaded holes 32.
In a preferred embodiment of the invention, the depth of the cross-shaped recess 31 is equal to the sum of the thicknesses of the first and second measuring members.
In the preferred embodiment of the present invention, a clamping pad 4 is further included, which is fixed on the rectangular base 3 and located above the second through hole 16 of the first body 11.
In the preferred embodiment of the present invention, the clamping pad 4 has a third hole 41 on each of the two lateral sides, the rectangular base 3 has two corresponding threaded holes 34, and the clamping pad 4 is fixed on the rectangular base 3 by two second fasteners 42 passing through the third holes 41 and threadedly coupled with the threaded holes 34.
In the preferred embodiment of the present invention, the present invention further comprises a third fastening member 5, a third threaded hole 35 corresponding to the first hole 13 is formed on the rectangular base 3, and the third fastening member 5 sequentially passes through the third through hole 22 of the second measuring member and the first hole 13 of the first measuring member, and is in threaded connection with the third threaded hole 35 to fix the second measuring member above the first measuring member.
A blade interval measuring method of a blade lock is applied to a blade interval measuring device of any one of the blade locks, a first measuring part is fixed on a rectangular base, and a second measuring part is fixed above the first measuring part through a third fastener which sequentially penetrates through a third through hole and a first hole;
when the first L-shaped hook is aligned with the second L-shaped hook, the first transverse interval is correspondingly aligned with the second transverse interval;
as shown in fig. 6, the blade pitch measurement method specifically includes the following steps:
step S1, loosening the third fastener to enable the second measuring component to slide along the contact surface of the first measuring component in the longitudinal direction;
step S2, the first connecting rod and the second connecting rod are stretched into a lock hole of the blade lock, the rectangular base is rotated, and the depth length of the second measuring part is adjusted, so that the first L-shaped hook of the first connecting rod and the second L-shaped hook of the second connecting rod respectively hook the blade guide bosses of the two groups of blades of the blade lock;
step S3, screwing the third fastener to ensure that the second measuring component is attached to the first measuring component and does not slide along the contact surface of the first measuring component longitudinally;
and step S4, measuring the displacement variation between the first transverse interval and the second transverse interval by using a vernier caliper, and taking the displacement variation as the blade distance between the two corresponding groups of blades.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a blade interval measuring device of blade lock which characterized in that specifically includes:
a first measurement component, the first measurement component comprising:
the two sides of the first main body are respectively provided with a connecting block in a direction deviating from the first main body, and each connecting block is provided with a first hole;
the second hole is arranged at the bottom of the first main body;
the first through hole is formed in the first main body, is arranged along the length direction of the first main body and is positioned above the second hole;
the second through hole is formed in the first main body and is arranged along the length direction of the first main body, the second through hole is positioned above the first through hole, and a first transverse interval is formed between the second through hole and the first through hole;
the first connecting rod is arranged at the top of the first main body and fixedly connected with the first main body, and a first L-shaped hook is arranged at the top of the first connecting rod;
a second measuring member attached to an upper side of the first measuring member and longitudinally slidable along a contact surface of the first measuring member, the second measuring member including:
the second main body is close to the bottom and provided with a third through hole corresponding to the second through hole along the length direction of the second main body;
the fourth through hole is formed in the second main body and is arranged along the length direction of the second main body, the fourth through hole is positioned above the third through hole, and a second transverse interval is formed between the fourth through hole and the third through hole;
the second connecting rod is arranged at the top of the second main body and fixedly connected with the second main body, and a second L-shaped hook with the same direction as the first L-shaped hook is arranged at the top of the second connecting rod.
2. The blade pitch measurement device of a blade lock according to claim 1, wherein the first lateral spacing is aligned with the second lateral spacing when the first L-shaped hook is aligned with the second L-shaped hook.
3. The blade pitch measuring device of a blade lock according to claim 1, wherein the length of the third through hole is greater than the distance between the top of the first through hole and the bottom of the first hole.
4. The apparatus as claimed in claim 1, further comprising a rectangular base, wherein the rectangular base has a cross-shaped recess, the first body of the first measuring member is fixed in the cross-shaped recess, and the second measuring member is attached to the top of the first measuring member and can slide along the longitudinal direction of the cross-shaped recess.
5. The blade pitch measuring device of a blade lock according to claim 4, wherein a first threaded hole is formed at each lateral side of the cross-shaped recess, and the first measuring member is fixed in the cross-shaped recess by two first fastening members passing through the first holes and threadedly coupled to the first threaded holes.
6. The blade pitch measuring device of a blade lock according to claim 4, wherein the depth of the cross-shaped recess is equal to the sum of the thicknesses of the first measuring member and the second measuring member.
7. The apparatus as claimed in claim 4, further comprising a clamping washer fixed to the rectangular base and located above the second through hole of the first body.
8. The apparatus as claimed in claim 7, wherein the clamping washer has a third hole at each lateral side thereof, and two second threaded holes are correspondingly formed in the rectangular base, and the clamping washer is fixed to the rectangular base by two second fasteners passing through the third holes and threadedly engaged with the second threaded holes.
9. The apparatus as claimed in claim 4, further comprising a third fastening member, wherein the rectangular base has a third threaded hole corresponding to the first hole, the third fastening member sequentially passes through the third through hole of the second measuring member and the first hole of the first measuring member, and is threaded with the third threaded hole to fix the second measuring member above the first measuring member.
10. A blade pitch measuring method of a blade lock, which is applied to the blade pitch measuring apparatus of a blade lock according to any one of claims 1 to 9, wherein the first measuring member is fixed to a rectangular base, and the second measuring member is fixed above the first measuring member by a third fastening member which passes through the third through hole and the first hole in this order;
when the first L-shaped hook is aligned with the second L-shaped hook, the first transverse interval is correspondingly aligned with the second transverse interval;
the blade pitch measurement method specifically includes the following steps:
step S1, unscrewing the third fastener to enable the second measuring component to slide longitudinally along the contact surface of the first measuring component;
step S2, extending the first connecting rod and the second connecting rod into the lock hole of the blade lock, rotating the rectangular base and adjusting the depth length of the second measuring component, so that the first L-shaped hook of the first connecting rod and the second L-shaped hook of the second connecting rod respectively hook the blade guide bosses of the two groups of blades of the blade lock;
step S3, screwing the third fastener to ensure that the second measuring component is attached to the first measuring component and does not slide along the contact surface of the first measuring component longitudinally;
and step S4, measuring the displacement variation between the first transverse interval and the second transverse interval by using a vernier caliper, and taking the displacement variation as the blade distance between the two corresponding groups of blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911185436.1A CN110763114B (en) | 2019-11-27 | 2019-11-27 | Blade distance measuring device and method of blade lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911185436.1A CN110763114B (en) | 2019-11-27 | 2019-11-27 | Blade distance measuring device and method of blade lock |
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| Publication Number | Publication Date |
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| CN110763114A CN110763114A (en) | 2020-02-07 |
| CN110763114B true CN110763114B (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911185436.1A Active CN110763114B (en) | 2019-11-27 | 2019-11-27 | Blade distance measuring device and method of blade lock |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4535546A (en) * | 1984-02-27 | 1985-08-20 | Smith Rodney D | Locksmith tool apparatus for determining length of locking elements in locks |
| CN202420350U (en) * | 2011-12-30 | 2012-09-05 | 无锡透平叶片有限公司 | Tool for measuring integral shroud pitch of blade and boss pitch |
| CN107905635A (en) * | 2017-10-30 | 2018-04-13 | 黄丽贤 | A kind of blade lock key and lock |
| CN109577747A (en) * | 2018-12-18 | 2019-04-05 | 杭州丹盾安防科技有限公司 | A kind of measuring tool for blade lockset and the method for unlocking based on the measuring tool |
| CN109751976A (en) * | 2018-12-18 | 2019-05-14 | 杭州丹盾安防科技有限公司 | A kind of measuring tool for hoodle lockset and the method for unlocking based on the measuring tool |
-
2019
- 2019-11-27 CN CN201911185436.1A patent/CN110763114B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4535546A (en) * | 1984-02-27 | 1985-08-20 | Smith Rodney D | Locksmith tool apparatus for determining length of locking elements in locks |
| CN202420350U (en) * | 2011-12-30 | 2012-09-05 | 无锡透平叶片有限公司 | Tool for measuring integral shroud pitch of blade and boss pitch |
| CN107905635A (en) * | 2017-10-30 | 2018-04-13 | 黄丽贤 | A kind of blade lock key and lock |
| CN109577747A (en) * | 2018-12-18 | 2019-04-05 | 杭州丹盾安防科技有限公司 | A kind of measuring tool for blade lockset and the method for unlocking based on the measuring tool |
| CN109751976A (en) * | 2018-12-18 | 2019-05-14 | 杭州丹盾安防科技有限公司 | A kind of measuring tool for hoodle lockset and the method for unlocking based on the measuring tool |
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| CN110763114A (en) | 2020-02-07 |
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