CN113846820B - Prefabricated ash cake for wall building - Google Patents
Prefabricated ash cake for wall building Download PDFInfo
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- CN113846820B CN113846820B CN202111115854.0A CN202111115854A CN113846820B CN 113846820 B CN113846820 B CN 113846820B CN 202111115854 A CN202111115854 A CN 202111115854A CN 113846820 B CN113846820 B CN 113846820B
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- rod
- measuring rod
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- rack
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/04—Patterns or templates; Jointing rulers
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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
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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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
Abstract
The invention provides a prefabricated ash cake for building a wall, which belongs to the technical field of building construction and comprises a prefabricated ash cake body and a detachable measuring piece, wherein the prefabricated ash cake body comprises a rod part and a square stopping part, and the stopping part is integrally formed with the top end of the rod part or can be detachably and fixedly connected with the top end of the rod part. The detachable measuring piece is provided with a clamping part connected with the prefabricated gray board body and a measuring structure capable of directly displaying the vertical distance between the stopping part and the wall surface of the constructed wall. According to the invention, the vertical distance between the body and the wall surface of the constructed wall body is measured in real time through the prefabricated body and the measuring structure, so that various operation steps of manually making mortar cakes in the prior art are omitted, the construction difficulty of the processing step of the mortar cakes is greatly reduced, the construction speed is high, the construction technology gap time (cement hardening time) is not required, the construction efficiency can be improved, and the construction period can be shortened.
Description
Technical Field
The invention relates to the field of building construction, in particular to a prefabricated ash cake for wall building.
Background
The plastering in construction refers to the process of plastering the surface layer of a building and plastering a gypsum plaster surface layer by adopting lime mortar, mixed mortar, polymer water mortar, gunny, paper reinforcement ash, heat-insulating mortar particles and the like. In the field production process, the conventional plastering construction process can be combined into seven steps: base layer treatment → (2) watering wetting → (3) plastering cake → (4) wall surface flushing → (5) layered plastering → (6) setting of dividing seams → (7) protecting the finished product.
The ash cake is a cement block used for controlling the elevation of a building, the flatness of a wall surface and the verticality when a trowel whitewashes or pours a terrace. The conventional ash cake is made as follows: before plastering, the plastering thickness is determined on the wall surface, the correct position of the plaster cake is determined according to the plastering requirement, and the vertical and flat positions are found by using a guiding rule. When in operation, the ash cakes are firstly smeared, and then the ash cakes are smeared, and generally one ash cake is smeared in a square of 1.5 m. When plastering cakes, the plaster cakes are preferably used in the ratio of 1:3 smearing cement mortar into a square shape of 50 mm.
From the above, the ash cake production has harsh technical requirements on workers needing construction, is not easy to handle, has low construction speed, large construction error, long technical gap time, is damaged and recovered slowly, and affects the construction period.
Based on the above, the present application is proposed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a prefabricated ash cake for building a wall, which solves the problems of high difficulty, long period and unstable structure of the ash cake manufacturing and construction in the prior art, and enhances the stability of the ash cake structure.
In order to achieve the purpose, the prefabricated ash cake for wall building is structurally characterized in that: the measuring device comprises a body and a detachable measuring part, wherein the body comprises a rod part and a square stopping part, and the stopping part and the top end of the rod part are integrally formed or detachably and fixedly connected; the detachable measuring piece comprises a clamping part, an installation part, a measuring rod and a reading rod, the clamping part is detachably and fixedly connected with the rod part and is in abutting fit with the bottom of the stopping part, and the installation part is fixedly connected with the clamping part or integrally formed; the first measuring rod is arranged in parallel with the rod part and movably penetrates through the installation part, one end of the reading rod is abutted against an inclined plane or is connected to an inclined groove in a sliding mode, the middle part of the reading rod penetrates through a U-shaped block, and the U-shaped block is arranged at the top end of the measuring rod so that the other end of the reading rod vertically extends out of or retracts back relative to the rod part along with the lifting change of the measuring rod;
the reading rod is provided with corresponding scales and/or numbers for displaying the vertical distance from the bottom end of the measuring rod to the top end of the rod part; and a return spring is sleeved between the mounting part and the bottom end of the measuring rod.
In the technical scheme, the prefabricated ash cake body is formed by the rod part and the stopping part and is matched with the detachable measuring part, so that the existing manual ash cake is replaced. When in use, the detachable measuring piece is reset, and the rod part of the prefabricated ash cake is nailed into the wall surface of the wall by a tool. Along with the pole portion of prefabricated ash cake is nailed gradually, can dismantle the distance between backstop portion and the wall of measuring part real-time demonstration current prefabricated ash cake body, constructor stops to nail when can dismantle measuring part demonstration distance and reach the construction requirement to will dismantle measuring part and remove from the body of prefabricated ash cake, accomplish the preparation of hawk.
The ash cake adopts a prefabricated structure, only the prefabricated ash cake needs to be nailed into a wall body when the ash cake is used, and the nailing height is controlled according to the detachable measuring piece, so that the ash cake is simple to operate, has low technical requirements on constructors, and is beneficial to improving the construction efficiency.
And the prefabricated ash cake structure is fixed, the prefabricated ash cake structure does not need to be made of mortar as the ash cake in the prior art, the mortar solidification time is saved, and the technical gap is not needed.
The invention further provides the following: the inclined plane or the chute is vertically arranged on the installation part or the clamping part, and the inclined angle of the inclined plane or the chute relative to the horizontal plane where the installation part is located ranges from 45 degrees to 65 degrees. The detachable measuring piece is an independent body which can be separated from the body of the prefabricated ash cake, and the detachable measuring piece is separated from the body of the prefabricated ash cake through the clamping part, so that the construction cost is reduced. When the inclination angle of the inclined plane or the inclined groove is too large, the displacement stroke of the reading rod is too short, and when the reading rod is matched with the measuring rod, only partial displacement of the measuring rod can be reflected, so that the measurement distortion is caused. When the inclination angle of the inclined plane or the chute is too small, the displacement space of the measuring rod is compressed, and the position of the reading rod and the position of the measuring rod conflict, so that the measuring rod cannot measure. Therefore, in the technical scheme, the selection of the inclination angle of the inclined plane and the inclined groove is associated and matched with the stroke of the measuring rod and the stroke of the reading rod.
The invention further provides the following: the detachable measuring part comprises a first measuring rod and a second measuring rod, the length of the second measuring rod is shorter than that of the first measuring rod, a first rack and a second rack are respectively arranged on the first measuring rod and the second measuring rod along the axial direction of the first measuring rod and the second measuring rod, the first rack and the second rack are meshed through a first gear and a second gear, and the transmission ratio of the first gear to the second gear is 5; the top end of the second measuring rod is provided with the U-shaped clamping block which is matched with the reading rod; when the first measuring rod moves upwards, the second measuring rod moves upwards, and the exposed part of the reading rod is reduced.
Based on the correlation and conflict between the inclination angle of the inclined plane or the inclined groove and the stroke of the measuring rod and the stroke of the reading rod, and in addition, under the condition of larger nailing distance, even if the inclination angle, the stroke of the reading rod and the stroke of the measuring rod are all appropriate, the stroke of the measuring rod cannot be completely converted into the stroke of the reading rod, in order to solve the problem, the technical scheme compresses the stroke of the first measuring rod and reflects the stroke onto the second measuring rod, and then the second measuring rod is matched with the first measuring rod, so that the problems that the stroke of the first measuring rod with overlarge stroke is difficult to completely convert, the measurement of the first measuring rod is limited and the like can be well solved.
The invention further provides the following: the length of the second measuring rod is less than 1/2 of that of the first measuring rod, and in a general situation, the stroke of the first measuring rod is preferably compressed within a half, so that the structural design and layout of the reading rod and the inclined plane or the inclined groove can be greatly facilitated.
The invention further provides the following steps: and the first measuring rod and/or the second measuring rod are/is also provided with a third rack and/or a fourth rack opposite to the first rack and/or the second rack along the axial direction of the first measuring rod and/or the second measuring rod, and an auxiliary gear is arranged to be respectively meshed with the third rack and/or the fourth rack.
In the prior technical scheme, the gear is adopted as a main component for compressing the stroke of the first measuring rod, and in actual use, under the structure of the single-side rack, the measuring rod is easy to cause stress concentration on the side due to single-side stress, so that the gear meshed with the single-side rack fails to transmit torque to the single-side rack, and the poor situation of clamping stagnation or slipping is caused. Therefore, the bilateral symmetry rack structure is arranged, so that the moving stability of the measuring rod and the matching effectiveness of the measuring rod, the first gear and the second gear can be improved, the first measuring rod can be ensured to accurately follow the nailing depth of the rod part of the prefabricated ash cake to generate equivalent displacement, the second measuring rod can be ensured to accurately reflect the displacement change of the first measuring rod in real time, and meanwhile, the displacement generated by the first measuring rod and the second measuring rod is stable and is not easy to generate unstable swing or generate small-amplitude upper and lower displacement. In short, the technical scheme can effectively ensure that the detachable measuring piece provided by the invention stably and normally operates, and ensure that the reading on the reading rod can keep a relatively stable state during reading so as to facilitate reading.
The invention further provides the following: the second gear comprises a first gear meshed with the first gear and a second gear coaxially arranged with the first gear, and the second gear and the first gear are oppositely arranged at intervals. As mentioned above, if the length of the first measuring rod is long and the stroke thereof is also large, in the above structure, the first measuring rod is easy to interfere with the reading rod, in order to avoid this situation, this section of technology provides a simplified avoiding structure, and by properly adjusting the relative position relationship between the gears in the gear transmission process, the first measuring rod and the second measuring rod can be staggered, thereby effectively avoiding the occurrence of the interference situation.
The invention further provides the following: the joint portion is including a sleeve, the cross section is seted up along the axial at telescopic center for the draw-in groove of rhombus, telescopic one side be equipped with the crack of draw-in groove intercommunication, follow the both sides limit of cracking has the connection pterygoid lamina along outwards extending, is equipped with corresponding connecting hole and common threaded connection on the connection pterygoid lamina of cracking both sides and has adjusting screw and fixation nut.
Through the structure, the rod part of the body of the prefabricated ash cake is clamped into the clamping groove through the slotting, the connecting wing plates on two sides are locked and sealed by the adjusting screw and the fixing nut to be slotted so as to fixedly connect the clamping part of the detachable measuring part with the rod part of the body of the prefabricated ash cake, and after the prefabricated ash cake is nailed into a wall body, the detachable measuring part can be loosened by only reversely rotating the adjusting screw, so that the detachable measuring part is separated from the body of the prefabricated ash cake. The body of the prefabricated ash cake is then always fixed on the wall body to be used as the ash cake normally. The detachable measuring piece can be continuously matched with the next body for use.
For convenience of use, the invention is further provided with the following components: the fixing nut is fixed on the connecting wing plate.
For convenience of use, the invention is further provided with the following components: the fixing nut is clamped and fixed in the connecting hole of the connecting wing plate.
The invention has the following beneficial effects: the invention can replace the ash cake which needs to be manually made by constructors in the prior art, and the ash cake construction can be completed by directly inserting the rod part into the wall to be constructed and controlling the distance between the stopping part and the wall surface through the distance between the stopping part and the wall surface observed by the detachable measuring part.
The invention completely subverts the structure and the construction process of the ash cake in the prior art, provides a novel ash cake construction process, has high construction speed, low construction difficulty and no construction technology gap time (cement hardening time), and can improve the construction efficiency and help to shorten the construction period.
Secondly, the ash cake can adopt a prefabricated form, can be produced into a plurality of models in advance according to construction requirements, and has the characteristics of simple structure, small volume, flexibility, changeability, strong adaptability and portability.
Finally, the lime cake can effectively control the plastering quality, is easy to construct and correct errors, has low construction cost, can be completely or partially recycled and reused after plastering is finished, realizes resource recycling, saves energy, protects environment and the like.
Drawings
FIG. 1 is a general schematic diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the embodiment of the present invention.
Fig. 3 is a schematic front view of an embodiment of the present invention.
FIG. 4 is a schematic side view of an embodiment of the present invention.
Reference numerals: 1. prefabricating an ash cake body; 21. an inclined seat; 22. a reading rod; 23. a second measuring rod; 24. a first measuring rod; 25. a clamping part; 26. a first auxiliary gear; 27. a first gear; 28. a second gear; 29. a second auxiliary gear; 221. a slider; 231. a U-shaped clamping block; 232. a second rack; 233. a second return spring; 241. a pressing part; 242. a first rack; 243. a first return spring; 251. a sleeve; 252. connecting wing plates; 253. and adjusting the screw rod.
Detailed Description
The invention provides a prefabricated ash cake for building a wall, which comprises a prefabricated ash cake body 1 and a detachable measuring part, wherein the prefabricated ash cake body 1 comprises a rod part and a square stopping part, and the stopping part and the top end of the rod part are integrally formed or can be detachably and fixedly connected. The detachable measuring piece is provided with a clamping part 25 connected with the prefabricated gray board body and a measuring structure capable of directly displaying the vertical distance between the stopping part and the wall surface of the constructed wall. Through this prefabricated hawk body and the cooperation of dismantling the measuring part and use, make things convenient for constructor to directly process the hawk on the wall of being under construction with the mode of nailing, its simple structure, convenient operation.
The present invention is further illustrated by the following specific examples.
As shown in fig. 1 to fig. 3, the detachable measuring member includes a clamping portion 25, an installation portion, a measuring rod, and a reading rod 22, and the installation portion, the measuring rod, and the reading rod 22 are combined to form the measuring structure described above. In this embodiment, the clamping portion 25 includes a sleeve 251, a clamping groove with a diamond-shaped cross section is axially formed in the center of the sleeve 251, a slot communicated with the clamping groove is formed in one side surface of the sleeve 251, and the slot width of the slot is not less than 2.5mm. Connecting wing plates 252 extend outwards from two side edges of the slit, and corresponding connecting holes are formed in the connecting wing plates 252 and are in threaded connection with an adjusting screw 253 and a fixing nut. Also, in order to facilitate the single-handed operation of the operator, the fixing nut is preferably fixed to the connection wing 252, and more particularly, the fixing nut is caught in the connection hole of the connection wing 252. The length of the connection wing plate 252 is preferably equal to that of the sleeve 251, so that the sides of the two sides of the slot of the clamping portion 25 can be integrally and relatively folded, the clamping slot can be clamped into the rod portion and fastened therein, the stability of the matching of the measurement structure and the prefabricated ash cake body 1 is ensured, and the accuracy of the measurement result is ensured. When the cooperation is used, the pole portion is gone into through slotting and is dismantled fixed connection in the card portion 25, and the bottom conflict cooperation of card portion 25 and backstop portion.
Continuing to refer to fig. 1, the main body of the installation part is an installation plate, as shown in fig. 3, assuming that the axial direction of the rod body of the prefabricated ash cake body 1 is a vertical direction, one end of the installation plate is fixedly connected with the clamping part 25 or integrally formed, and the other end of the installation plate extends and spreads outwards from one side of the clamping part 25 along a horizontal plane. An inclined seat 21 is arranged at one end of the mounting plate close to the clamping part 25, an inclined groove is arranged at the side of the inclined seat 21 opposite to the mounting plate, and a sliding block 221 is arranged in the inclined groove in a sliding fit mode. The inclined angle of the chute relative to the horizontal plane where the mounting part is located is 45-65 degrees. As shown in fig. 3, the side of the clamping portion 25 is the right side, and the upper end of the inclined groove is arranged more to the left than the lower end of the inclined groove.
Wear to be equipped with first measuring stick 24, second measuring stick 23 on the mounting panel in vertical direction, for making first measuring stick 24 and pole portion synchronous motion, first measuring stick 24, second measuring stick 23 all with pole portion parallel arrangement. The top of the second measuring rod 23 is provided with a U-shaped fixture block 231, the U-shaped fixture block 231 is composed of two opposite spaced and parallel vertical plates and a middle plate, the middle plate is positioned between the two vertical plates, and two ends of the middle plate are respectively connected with one end of the vertical plate. The opposite positions of the two vertical plates are provided with through holes, and the reading rod 22 passes through the through holes on the two vertical plates and then is connected to a sliding block 221 in the chute: even if one end of the reading rod 22 is engaged with the inclined seat 21 and the middle portion thereof is engaged by the U-shaped latch 231, the other end of the reading rod 22 is not provided. The reading rod 22 is provided with corresponding graduations and/or numbers showing the vertical distance between the bottom end of the measuring rod and the top end of the rod portion. When the second measuring rod 23 moves up and down, the reading rod 22 can follow the up and down movement of the second measuring rod 23. In combination with the inclined sliding of one end thereof in the inclined groove on the inclined seat 21, the other end of the reading rod 22 is vertically extended or retracted relative to the rod portion to expose different readings relative to the U-shaped latch 231 during the process that the other end follows the up and down movement of the second measuring rod 23.
In this embodiment, the length of the first measuring rod 24 can be set to be suitable for the length of the rod part of the prefabricated ash cake body 1, or the length of the first measuring rod 24 is 10mm shorter than the length of the rod part. The second measuring rod 23 is shorter in length than the first measuring rod 24 and in one embodiment is preferably 1/2 of the first measuring rod 24. The first measuring rod 24 and the second measuring rod 23 are respectively provided with a first rack 242 and a second rack 232 along the axial direction thereof, the first rack 242 and the second rack 232 are engaged with each other through a first gear 27 and a second gear 28, the second gear 28 comprises a first gear engaged with the first gear 27 and a second gear coaxially arranged with the first gear, and the second gear and the first gear are oppositely arranged at intervals, so that the position staggering of the first measuring rod 24 and the second measuring rod 23 is realized, as shown in fig. 4. In the embodiment, the transmission ratio of the first gear 27 to the second gear 28 is 5 to 1, so that the displacement of the first measuring rod 24 is compressed proportionally and is reacted proportionally to the second measuring rod 23. Due to the meshing engagement of the first gear 27 and the second gear 28, when the first measuring rod 24 moves upwards, the second measuring rod 23 moves upwards, and the exposed part of the reading rod 22 is reduced.
In order to enable the first measuring rod 24 and the second measuring rod 23 to reset rapidly, a first reset spring 243 is sleeved between the installation part and the bottom end of the first measuring rod 24, and a second reset spring 233 is sleeved between the installation part and the bottom end of the second measuring rod 23. The first return spring 243 is a compression spring, and the second return spring 233 is an extension spring.
In addition, in order to maintain the measurement accuracy of the first measuring rod 24 and the second measuring rod 23 and the stability of the sum therebetween, in the present embodiment, the first measuring rod 24 and the second measuring rod 23 are further provided with a third rack and a fourth rack along the axial direction thereof, which are opposite to the first rack 242 and the second rack 232, and an auxiliary gear first 26 and an auxiliary gear second 29 are provided to be engaged with the third rack and the fourth rack, respectively.
The pre-ash cake of this example was used as follows: when the vertical control surface tapping device is used, a small hammer is directly used for tapping the iron core perpendicular to the vertical control surface or the wall body into the wall after the vertical control surface is found, and the tapping position can select a building block or an ash content position to tap into the wall according to the hardness degree of the masonry. The distance between the prefabricated ash cake and the wall body can be read through data on the reading rod 22, the specific thickness is flexibly controlled by the nailing depth of the nail length, and the prefabricated ash cake can be taken out after being knocked obliquely. The prefabricated ash cake of this embodiment has nimble changeable, and strong adaptability, portable, construction speed is fast, does not have construction technology clearance time.
Example 2 this example differs from example 1 in that: in this embodiment, only the first measuring rod 24 is provided, and the U-shaped engaging block 231 engaged with the second measuring rod 23 in embodiment 1 is also directly engaged with the top end of the first measuring rod 24. The first rack 242 is still disposed on two sides of the first measuring rod 24, and the first rack 242 is respectively matched with the two auxiliary gears to keep the stability of the first measuring rod 24 during the ascending and descending operations on the mounting plate.
In addition, the end of the first measuring rod 24 adjacent to the tip of the prefabricated ash cake is provided with a pressing end with a flat end surface, so that the first measuring rod and the end of the prefabricated ash cake form a stable, reliable and uneasy-to-shake interference fit with a wall building body in the using process.
In conclusion, the invention provides the prefabricated ash cake with simple structure and convenient operation, which comprises the body part capable of being nailed into the wall body and the measuring structure, and the vertical distance between the body and the wall surface of the constructed wall body is measured in real time through the prefabricated body and the measuring structure, so that various operation steps of manually manufacturing mortar ash cakes in the prior art are omitted, the construction difficulty of ash cake processing steps is greatly reduced, and the construction efficiency is improved.
Claims (6)
1. The utility model provides a prefabricated ash cake for building wall which characterized in that: the measuring device comprises a body and a detachable measuring part, wherein the body comprises a rod part and a square stopping part, and the stopping part and the top end of the rod part are integrally formed or detachably and fixedly connected; the detachable measuring piece comprises a clamping part, an installation part, a measuring rod and a reading rod, the clamping part is detachably and fixedly connected with the rod part and is in abutting fit with the bottom of the stopping part, and the installation part is fixedly connected with the clamping part or integrally formed; the detachable measuring part comprises a first measuring rod and a second measuring rod, the first measuring rod and the second measuring rod are arranged in parallel with the rod part and movably penetrate through the mounting part, one end of the reading rod is abutted against an inclined plane or is connected onto a chute in a sliding mode, the middle of the reading rod penetrates through a U-shaped fixture block, and the U-shaped fixture block is arranged at the top end of the second measuring rod, so that the other end of the reading rod vertically extends out of or retracts back relative to the rod part along with the lifting change of the second measuring rod;
the reading rod is provided with corresponding scales and/or numbers for displaying the vertical distance from the bottom end of the measuring rod to the top end of the rod part; a return spring is sleeved between the mounting part and the bottom ends of the first measuring rod and the second measuring rod;
the length of the second measuring rod is shorter than that of the first measuring rod, a first rack and a second rack are respectively arranged on the first measuring rod and the second measuring rod along the axial direction of the first measuring rod and the second measuring rod, and the first rack and the second rack are meshed through a first gear and a second gear; the top end of the second measuring rod is provided with the U-shaped clamping block which is matched with the reading rod; when the first measuring rod moves upwards, the second measuring rod moves upwards, and the exposed part of the reading rod is reduced;
the clamping part comprises a sleeve, a clamping groove with a diamond-shaped cross section is formed in the center of the sleeve along the axial direction, a slot communicated with the clamping groove is formed in one side face of the sleeve, connecting wing plates extend outwards from two side edges of the slot, the connecting wing plates on two sides of the slot are provided with corresponding connecting holes, and are in threaded connection with an adjusting screw and a fixing nut together;
the inclined plane or the chute is vertically arranged on the mounting part or the clamping part, and the inclined angle of the inclined plane or the chute relative to the horizontal plane where the mounting part is located is 45-65 degrees;
the second gear comprises a first gear meshed with the first gear and a second gear coaxially arranged with the first gear, and the second gear and the first gear are oppositely arranged at intervals.
2. The precast mortar cake for wall building according to claim 1, wherein: the transmission ratio of the first gear to the second gear is 5 to 10.
3. A precast mortar cake for masonry of claim 2, wherein: the length of the second measuring rod is less than 1/2 of that of the first measuring rod.
4. A precast mortar cake for wall building according to claim 3, wherein: and the first measuring rod and/or the second measuring rod are/is also provided with a third rack and/or a fourth rack which are opposite to the first rack and/or the second rack along the axial direction of the first measuring rod and/or the second measuring rod, and an auxiliary gear is arranged to be meshed with the third rack and/or the fourth rack respectively.
5. The precast mortar cake for wall building according to claim 4, wherein: the fixing nut is fixed on the connecting wing plate.
6. The precast mortar cake for wall building according to claim 5, wherein: the fixing nut is clamped and fixed in the connecting hole of the connecting wing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111115854.0A CN113846820B (en) | 2021-09-23 | 2021-09-23 | Prefabricated ash cake for wall building |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111115854.0A CN113846820B (en) | 2021-09-23 | 2021-09-23 | Prefabricated ash cake for wall building |
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| CN113846820A CN113846820A (en) | 2021-12-28 |
| CN113846820B true CN113846820B (en) | 2023-02-21 |
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| CH691879A5 (en) * | 1997-06-02 | 2001-11-15 | Marveggio Secondo | Length measuring tool , in which the measuring force or pressure can be precisely adjusted and which is linked to the displacement of a measuring sensor by a predetermined function |
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| CN108278953A (en) * | 2017-12-14 | 2018-07-13 | 中航华东光电有限公司 | Touch high measure tooling and test method |
| CN209147884U (en) * | 2018-11-26 | 2019-07-23 | 陕西汉通建设工程质量检测有限公司 | A kind of thickness of strips tester |
| CN211953976U (en) * | 2020-05-29 | 2020-11-17 | 兴华工程管理有限公司 | Earthwork measuring device for engineering cost |
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| CN113846820A (en) | 2021-12-28 |
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