CN110108617B - Locking device for concrete anti-seepage instrument - Google Patents
Locking device for concrete anti-seepage instrument Download PDFInfo
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- CN110108617B CN110108617B CN201910397740.6A CN201910397740A CN110108617B CN 110108617 B CN110108617 B CN 110108617B CN 201910397740 A CN201910397740 A CN 201910397740A CN 110108617 B CN110108617 B CN 110108617B
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002969 artificial stone Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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Abstract
The invention discloses a locking device of a concrete impermeability instrument, which comprises a movable layer and a fixed layer, wherein the movable layer comprises a movable plate, an upper block is arranged on the movable plate, a protruding part is arranged in the middle of the upper block, a first hole is arranged on the protruding part, a first screw is arranged on the upper block, the fixed layer comprises a fixed plate, a rotating shaft is arranged on the fixed plate, the fixed plate is provided with first guide holes with the same size, a first push rod hole is arranged in the middle of two first guide holes, a rotary table is arranged above the rotating shaft, a rotary shaft hole is arranged in the center of the rotary table, a nut is arranged on the guide wheel assembly, a spacer bush is nested on the surface of the nut, a second bearing is arranged above and below the spacer bush, a guide shaft is arranged above the second bearing, and a gasket is arranged between the second bearing and the nut. The invention has simple operation, firm locking and high degree of automation.
Description
Technical Field
The invention relates to the technical field of electromechanics, in particular to a locking device of a concrete impermeability instrument.
Background
Concrete impermeability instruments concrete, artificial stone widely used in construction, for some constructions, such as hydraulic construction, underwater, underground and other construction engineering, require that the constructions have special properties-impermeability properties refer to properties of materials used in the constructions against penetration by water and or other liquid (light oil, heavy oil) media under pressure. The HS-4 type impermeability instrument is mainly used for the test of the impermeability performance of concrete and the measurement of impermeability grade. Meanwhile, the air permeability of the building material can be measured and checked by the air permeability measuring device, so that the air permeability measuring device is widely used in the departments of production, construction, design, teaching and research and the like.
At present, a concrete impermeability instrument is not provided with a locking device, is fixed by manually screwing bolts, and has the advantages of large workload, time and labor consumption and low working efficiency. Aiming at the problems, a locking device is developed, the device is simple and convenient to operate, firm in locking and high in automation degree, and qualitative leaps are brought to the detection industry.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the locking device of the concrete impermeability instrument is simple and convenient to operate, firm in locking and high in automation degree.
According to the concrete impermeability instrument locking device disclosed by the embodiment of the invention, the locking device comprises a movable layer and a fixed layer, wherein the movable layer comprises a movable plate, an upper block is arranged on the movable plate, a protruding part is arranged in the middle of the upper block, a first hole is arranged on the protruding part, a first screw is arranged on the upper block, the fixed layer comprises a fixed plate, a rotating shaft is arranged on the fixed plate, the fixed plate is provided with first guide holes with the same size, a first push rod hole is arranged in the middle of two first guide holes, a rotary table is arranged above the rotating shaft, a rotary shaft hole is arranged in the center of the rotary table, a second guide hole is arranged on the rotary table, a second push rod hole is arranged in the middle of two second guide holes, the rotary table is connected with a lower block through an inserting rod, the lower block is fixed on the fixed plate through a second screw, a groove part is arranged in the middle of the lower block, two sides of the lower block are provided with second holes, the inserting rod is provided with a tail hole and an end part, a cylinder is arranged below the fixed plate, and one end of the fixed seat is connected with a cylinder through a compression ring.
Preferably, the guide wheel assembly comprises a nut, a spacer bush is nested on the surface of the nut, a second bearing is arranged above and below the spacer bush, a guide shaft is arranged above the second bearing, and a gasket is arranged between the second bearing and the nut.
Preferably, the first push rod hole of the fixing plate is aligned with the second push rod hole on the turntable, one end of the push rod is hinged with the second push rod hole, the other end of the push rod is hinged with the head of the air cylinder, the tail of the air cylinder is fixed on the air cylinder fixing seat, and the air cylinder fixing seat is fixed on the fixing plate by a third screw.
Preferably, the upper blocks of the movable layer are opposite to the lower blocks of the fixed layer in pairs, and the end parts of the upper inserting rods of the fixed layer penetrate through the first holes of the corresponding upper blocks and are connected with the second holes of the lower blocks.
Preferably, the protruding part of the upper block is matched with the groove part of the lower block, and the first hole on the upper block is concentric with the second hole of the lower block.
Preferably, the first guide hole is centered on the rotation shaft, and the second guide hole is centered on the rotation shaft hole.
Preferably, the first bearing is placed in a rotating shaft hole of the turntable, the first bearing is sleeved on a rotating shaft of the fixed plate, and the turntable rotates around the rotating shaft.
Preferably, the lower end of the guide wheel assembly vertically penetrates into the first guide hole and the second guide hole, the upper end of the guide wheel assembly is hinged with the inserted link, and the end part of the inserted link is inserted into the second hole of the lower block.
The beneficial effects of the invention are as follows: the cylinder drives the push rod to act, thereby drives the carousel to rotate, and the relative motion takes place for the second guiding hole on the carousel and the first guiding hole of fixed plate, thereby extrudes the leading wheel subassembly and makes radial motion, drives the inserted bar and makes radial motion, and the tip of inserted bar inserts or withdraws from in the first hole of upper block, thereby realizes locking and the unclamping of device, easy and simple to handle, and it is firm to lock, degree of automation is high, work efficiency is high.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a locking device for a concrete impermeability instrument according to the present invention;
FIG. 2 is a side view of a locking device for a concrete permeation resistant engine according to the present invention;
FIG. 3 is a front view of the active layer of the locking device of the concrete permeation resistant engine according to the present invention;
FIG. 4 is a bottom view of the active layer of the locking device of the concrete permeation resistant engine according to the present invention;
FIG. 5 is a schematic structural view of a fixed layer of a locking device of a concrete impermeability instrument according to the present invention;
FIG. 6 is a front view of a retaining layer of a locking device of a concrete permeation resistant engine according to the present invention;
FIG. 7 is a top view of a securing layer of a locking device of a concrete permeation resistant engine according to the present invention;
FIG. 8 is a bottom view of a retaining layer of a locking device of a concrete permeation resistant engine according to the present invention;
FIG. 9 is a cross-sectional view of a locking device of a concrete permeation resistant engine according to the present invention;
FIG. 10 is a front view of a guide wheel assembly of a locking device of a concrete permeation resistant engine according to the present invention;
FIG. 11 is a schematic structural view of a locking device fixing plate of a concrete impermeability instrument according to the present invention;
FIG. 12 is a schematic diagram of a rotor disk of a locking device of a concrete permeation resistant instrument according to the present invention;
FIG. 13 is a schematic view of the structure of the upper block of the locking device of the concrete permeation resistant instrument according to the present invention;
FIG. 14 is a schematic view of the structure of the lower block of the locking device of the concrete permeation resistant instrument according to the present invention;
FIG. 15 is a schematic view of a concrete impermeability instrument locking device insert rod according to the present invention.
In the figure: 1-active layer, 2-fixed layer, 11-active plate, 12-upper block, 13-first screw, 201-fixed plate, 202-lower block, 203-second screw, 204-first bearing, 205-turntable, 206-insert rod, 207-guide wheel assembly, 208-pushrod, 209-cylinder, 210-cylinder mount, 211-third screw, 212-press ring, 2071-guide shaft, 2072-second bearing, 2073-spacer, 2074-washer, 2075-nut, 2011-spindle, 2012-first guide hole, 2013-first pushrod hole, 2051-spindle hole, 2052-second guide hole, 2053-second pushrod hole, 121-boss, 122-first hole, 2021-groove portion, 2022-second hole, 2061-tail hole, 2062-end.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore 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 a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-15, a locking device of a concrete impermeability instrument comprises a movable layer 1 and a fixed layer 2, wherein the movable layer 1 comprises a movable plate 11, an upper block 12 is arranged on the movable plate 11, a raised part 121 is arranged in the middle of the upper block 12, a first hole 122 is arranged on the raised part 121, a first screw 13 is arranged on the upper block 12, the fixed layer 2 comprises a fixed plate 201, a rotating shaft 2011 is arranged on the fixed plate 201, the fixed plate 201 is provided with first guide holes 2012 with the same size, a first push rod hole 2013 is arranged in the middle of two first guide holes 2012, a rotary disc 205 is arranged above the rotating shaft 2011, a rotating shaft hole 2051 is arranged in the center of the rotary disc 205, a second guide hole 2052 is arranged in the middle of the rotary disc 205, two second push rod holes 2053 are arranged in the middle of the rotary disc 205, the rotary disc 205 is connected with a lower block 202 through an inserting rod 206, the lower block 202 is fixed on the fixed plate 201 through a second screw 203, a first push rod hole 2021 is arranged in the middle of the lower block 202, a cylinder end part 202 is connected with a cylinder 209, and two ends of the cylinder 209 are connected with the cylinder 209; the guide wheel assembly 207 comprises a nut 2075, wherein a spacer sleeve 2073 is nested on the surface of the nut 2075, a second bearing 2072 is arranged above and below each spacer sleeve 2073, a guide shaft 2071 is arranged above the second bearing 2072, and a gasket 2074 is arranged between the second bearing 2072 and the nut 2075; the first push rod hole 2013 of the fixed plate 201 is aligned with the second push rod hole 2053 on the turntable 205, one end of the push rod 208 is hinged with the second push rod hole 2053, the other end of the push rod 208 is hinged with the head of the air cylinder 209, the tail of the air cylinder 209 is fixed on the air cylinder fixing seat 210, and the air cylinder fixing seat 210 is fixed on the fixed plate 201 by a third screw 211; the upper blocks 12 of the movable layer 1 are opposite to the lower blocks 202 of the fixed layer 2, and the ends 2062 of the upper plug rods 206 of the fixed layer 2 are connected with the second holes 2022 of the lower blocks 202 through the first holes 122 of the corresponding upper blocks 12; the convex part 121 of the upper block 12 is matched with the concave groove part 2021 of the lower block 202, and the first hole 122 on the upper block 12 is concentric with the second hole 2022 of the lower block 202; the first guide hole 2012 is centrally symmetrical about the rotation shaft 2011, and the second guide hole 2052 is centrally symmetrical about the rotation shaft hole 2051; the first bearing 204 is placed in the rotating shaft hole 2051 of the turntable 205, the first bearing 204 is sleeved on the rotating shaft 2011 of the fixed plate 201, and the turntable 205 rotates around the rotating shaft 2011; the lower end of the guide wheel assembly 207 vertically penetrates into the first guide hole 2012 and the second guide hole 2052, the upper end of the guide wheel assembly 207 is hinged with the insert rod 206, and the end 2062 of the insert rod 206 is inserted into the second hole 2022 of the lower block 202.
Working principle: in use, the upper block 12 is fixed on the movable plate 11 by the first screw 13 to form the movable layer 1. The fixing plate 201 is provided with a rotation shaft 2011, a radial first guide hole 2012 and a first push rod hole 2013. The turntable 205 is provided with a rotating shaft hole 2051, a second guide hole 2052 with an inclined arc shape and a second push rod hole 2053, a protruding part 121 is arranged in the middle of the upper block 12, and a first hole 122 is arranged on the protruding part 121; the lower block 202 is provided with a groove part 2021 in the middle, two opposite second holes 2022 are formed on two sides, the guide wheel assembly 207 is composed of a guide shaft 2071, a second bearing 2072, a spacer 2073, a gasket 2074 and a nut 2075, and is assembled into a shape as shown in fig. 10, and the first bearing 204 is placed in the rotating shaft hole 2051 of the rotating disc 205 and then sleeved on the rotating shaft 2011 of the fixed plate 201 together, so that the rotating disc 205 can rotate around the rotating shaft 2011; after the first push rod hole 2013 of the fixed plate 201 is aligned with the second hole 2022 of the push rod 208 on the turntable 205, the push rod 208 passes through the first hole 122 of the push rod 208, one end of the push rod 208 is hinged with the second hole 2022 of the push rod 208, and the other end of the push rod 208 is hinged with the head of the cylinder 209; the tail of the air cylinder 209 is fixed on an air cylinder fixing seat 210, and the air cylinder fixing seat 210 is fixed on the fixing plate 201 by a third screw 211; the lower end of the guide wheel assembly 207 vertically penetrates into the guide first hole 122 and the guide second hole 2022, and the upper end is hinged with the tail hole 2061 of the inserted link 206; the end 2062 of the plunger 206 is inserted into the second bore 2022 of the lower block 202 with the active layer 1 resting on the fixed layer 2; the convex portions 121 of the upper block 12 are just opposite to the concave groove portions 2021 of the lower block 202 in pairs; after assembly, the first hole 122 on the upper block 12 is concentric with the second hole 2022 on the lower block 202, the end 2062 of the inserted link 206 passes through the corresponding first hole 122 on the upper block 12 and the second hole 2022 on the lower block 202, the cylinder 209 drives the push rod 208 to act, so as to drive the turntable 205 to rotate, the guiding second hole 2022 on the turntable 205 and the guiding first hole 122 of the fixed plate 201 relatively move, so that the guiding wheel assembly 207 is extruded to radially move, and the inserted link 206 is driven to radially move; it is calculated that the end 2062 of the plunger 206 is fully withdrawn from the first bore 122 of the upper block 12, but still positioned inside the second bore 2022 of the lower block 202, when the plunger 206 is moved toward the tail bore 2061 to the extreme position, so that the active layer 1 and the fixed layer 2 are simply stacked together, and the active layer 1 can be separated from the fixed layer 2 when subjected to an upward external force F; when the plunger 206 moves toward the end 2062 to the extreme position, the end 2062 of the plunger 206 is fully inserted into the second bore 2022 of the lower block 202 and passes through the first bore 122 of the upper block 12, thereby connecting the active layer 1 and the fixed layer 2 together, and preventing the active layer 1 from separating from the fixed layer 2 when an upward external force F is applied to the active layer 1.
In general, the cylinder 209 drives the push rod 208 to act so as to drive the turntable 205 to rotate, and the second guide hole 2052 on the turntable 205 and the first guide hole 2012 of the fixed plate 201 relatively move, so that the guide wheel assembly 207 is extruded to move radially, the insert rod 206 is driven to move radially, and the end 2062 of the insert rod 206 is inserted into or withdrawn from the first hole 122 of the upper block 12, so that locking and unlocking of the device are realized, and the problems that the existing concrete impermeability instrument is not provided with a locking device, is high in workload, time-consuming and labor-consuming and low in working efficiency due to the fact that the existing concrete impermeability instrument is fixed by manually screwing a bolt are solved. The locking device is simple and convenient to operate, firm in locking, high in automation degree, convenient to lock, high in automation degree and high in working efficiency, and can bring quality to the detection industry.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The locking device of the concrete impermeability instrument is characterized in that: including fly layer and fixed layer, the fly layer includes the fly leaf, be equipped with the piece on the fly leaf, be provided with the bellying in the middle of the piece, be provided with first hole on the bellying, be equipped with first screw on the piece, the fixed layer includes the fixed plate, be provided with the pivot on the fixed plate, the fixed plate has seted up two same first guiding holes of size, first push rod hole has been seted up in the middle of two first guiding holes, the pivot top is equipped with the carousel, the carousel center is provided with the pivot hole, two second guiding holes have been seted up on the carousel, the second push rod hole has been seted up in the middle of two second guiding holes, the carousel passes through the inserted bar and is connected with the lower piece, the lower piece passes through the second fix with screw on the fixed plate, be provided with recess portion in the middle of the lower piece, the lower piece both sides are provided with the second hole, the inserted bar is provided with afterbody hole and tip, the fixed plate below is equipped with the cylinder, the cylinder passes through push rod and is connected with one end, first push rod hole has been equipped with the first push rod hole in the middle of two first guiding holes, the pivot hole is perpendicular to the pivot hole and the pivot, the pivot is placed the pivot in the pivot hole is perpendicular to the pivot, the pivot is equipped with the pivot in the pivot assembly.
2. The concrete impermeability instrument locking device according to claim 1, characterized in that: the guide wheel assembly comprises a nut, a spacer bush is nested on the surface of the nut, a second bearing is arranged above and below the spacer bush, a guide shaft is arranged above the second bearing, and a gasket is arranged between the second bearing and the nut.
3. The concrete impermeability instrument locking device according to claim 1, characterized in that: the tail of the air cylinder is fixed on the air cylinder fixing seat, and the air cylinder fixing seat is fixed on the fixing plate by a third screw.
4. The concrete impermeability instrument locking device according to claim 1, characterized in that: the upper blocks of the movable layer are opposite to the lower blocks of the fixed layer in pairs, and the end parts of the upper inserting rods of the fixed layer penetrate through the first holes of the corresponding upper blocks and are connected with the second holes of the lower blocks.
5. The concrete impermeability instrument locking device according to claim 1, characterized in that: the protruding part of the upper block is matched with the groove part of the lower block, and the first hole on the upper block is concentric with the second hole of the lower block.
6. The concrete impermeability instrument locking device according to claim 1, characterized in that: the first guide hole is centered and symmetrical by taking the rotating shaft as a center, and the second guide hole is centered and symmetrical by taking the rotating shaft hole as a center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397740.6A CN110108617B (en) | 2019-05-14 | 2019-05-14 | Locking device for concrete anti-seepage instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397740.6A CN110108617B (en) | 2019-05-14 | 2019-05-14 | Locking device for concrete anti-seepage instrument |
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| Publication Number | Publication Date |
|---|---|
| CN110108617A CN110108617A (en) | 2019-08-09 |
| CN110108617B true CN110108617B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910397740.6A Active CN110108617B (en) | 2019-05-14 | 2019-05-14 | Locking device for concrete anti-seepage instrument |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115266537A (en) * | 2022-09-29 | 2022-11-01 | 南京研华智能科技有限公司 | Full-automatic concrete impermeability detection system |
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| US3237444A (en) * | 1961-08-03 | 1966-03-01 | Hauni Werke Koerber & Co Kg | Method and apparatus for testing the integrity of, and resistance to flow through hollow articles, such as cigarettes and the like |
| SU746253A1 (en) * | 1977-12-19 | 1980-07-07 | Центральное Проектно-Конструкторское Бюро Треста "Росремдормаш" Министерства Строительства И Эксплуатации Автомобильных Дорог Рсфср | Apparatus for water-tightness testing of materials |
| US6010290A (en) * | 1999-01-29 | 2000-01-04 | Dana Corporation | Lock nut washer for a locking nut assembly |
| CN2765523Y (en) * | 2004-12-16 | 2006-03-22 | 厦门尚宏理容椅业有限公司 | Controllable rotation device for chair |
| KR20090092494A (en) * | 2008-02-27 | 2009-09-01 | 엘에스엠트론 주식회사 | Molds Clamping Apparatus of Injection Molding Machine |
| CN202389858U (en) * | 2012-01-09 | 2012-08-22 | 达州海天机电科技有限公司 | Waste compression device |
| CN102826383A (en) * | 2012-10-08 | 2012-12-19 | 深圳市景颢光电科技有限公司 | Material taking and placing component |
| CN203680436U (en) * | 2013-12-31 | 2014-07-02 | 浙江威力士机械有限公司 | Chamfer adjusting and locking device of band saw machine |
| CN203926468U (en) * | 2014-05-09 | 2014-11-05 | 宁波斯立福精密工业有限公司 | A kind of bearing locking apparatus |
| CN104897548A (en) * | 2015-06-16 | 2015-09-09 | 宁夏新三思检测设备有限公司 | Locking device and full-automatic concrete impermeability instrument adopting same |
| CN104931405A (en) * | 2015-06-16 | 2015-09-23 | 宁夏新三思检测设备有限公司 | Sealed permeability device and full-automatic concrete anti-permeability instrument adopting the same |
| CN205138976U (en) * | 2015-11-24 | 2016-04-06 | 重庆大学 | Locking structure |
| CN205950972U (en) * | 2016-08-02 | 2017-02-15 | 福建群峰机械有限公司 | Two fulcrum locking mechanism of aerated concrete mould |
| CN206504985U (en) * | 2017-02-25 | 2017-09-19 | 北京班诺混凝土有限公司 | A kind of box-like concrete impervious instrument of turn buckle |
| CN206583774U (en) * | 2017-03-18 | 2017-10-24 | 深圳市龙岗大工业区混凝土有限公司 | A kind of concrete penetrometer of Fast Installation |
| CN207300819U (en) * | 2017-09-20 | 2018-05-01 | 济南思克测试技术有限公司 | A kind of permeability test chamber with locking device |
| CN208443700U (en) * | 2018-05-15 | 2019-01-29 | 浙江南兴建设工程检测有限公司 | A kind of concrete impervious instrument |
| CN210142060U (en) * | 2019-05-14 | 2020-03-13 | 南京研华智能科技有限公司 | Locking device for concrete impermeability instrument |
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| CN110108617A (en) | 2019-08-09 |
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