CN113062368A - Engineering construction foundation leveling device and using method - Google Patents
Engineering construction foundation leveling device and using method Download PDFInfo
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- CN113062368A CN113062368A CN202110236063.7A CN202110236063A CN113062368A CN 113062368 A CN113062368 A CN 113062368A CN 202110236063 A CN202110236063 A CN 202110236063A CN 113062368 A CN113062368 A CN 113062368A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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Abstract
The invention discloses a leveling device for engineering construction foundation and a using method thereof, belonging to the technical field of foundation leveling. The scientific calculator and the book holder are arranged on the back of the top cover, so that data recording and operation operations can be conveniently carried out, and the device is extremely practical and convenient; by arranging the lifting motor, the screw rod, the threaded sleeve, the lifting support plate, the fixed base and the level, the lifting extending leveling, collecting and protecting operation of the fixed base and the level can be realized, the leveling operation can be met, the level can be collected and protected in time when not in use, and the use safety of the level can be ensured; through stirring and driving pivot and master gear rotation, the master gear drives driven gear synchronous rotation, and then can drive the elevating screw and rotate, realizes carrying out manual regulation to the height of lift backup pad and surveyor's level, can use in the inconvenient and battery insufficient voltage's of power supply occasion, satisfies basic ground levelling operation, convenient and practical.
Description
Technical Field
The invention belongs to the technical field of foundation leveling, and particularly relates to a foundation leveling device for engineering construction and a using method thereof.
Background
The foundation refers to the soil or rock mass of the supporting foundation under the building. Soil layers as building foundations are divided into rocks, gravel soil, sandy soil, silt soil, cohesive soil and artificial filling soil. The foundation includes a natural foundation and an artificial foundation (composite foundation). The natural foundation is a natural soil layer which does not need to be reinforced by people, the artificial foundation needs to be reinforced by people, a stone chip cushion layer, a sand cushion layer, mixed lime soil are filled back and tamped, and the like, and the flatness of the foundation affects the quality of subsequent engineering, so that the method is very important.
But current ground levelling device all need carry out the record to data when using and calculate, and the record process adopts hand-held device to take notes mostly, and is very inconvenient, simultaneously, when the levelling instrument uses, does not mostly set up corresponding protector, and the safety in utilization of surveyor's level can not obtain guaranteeing, and the surveyor's level that has protector can only go up and down with the help of electrical equipment control mostly when using, in case cut off the power supply, just can not use.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide a leveling device for engineering construction foundation and a using method thereof, in order to solve the technical problem, the basic concept of the technical scheme adopted by the invention is as follows:
a leveling device for engineering construction foundation comprises a movable protective box body, a supporting screw rod and a supporting motor, universal wheels are fixedly connected at four corners below the movable protective box body, slide rails are fixedly connected at the middle part of one side wall and two sides of the other side wall of the movable protective box body, the sliding rail is connected with a motor supporting plate in a sliding way, one side wall of the motor supporting plate is fixedly connected with the supporting motor, the output end of the supporting motor is connected with the supporting screw rod through a coupler, a fixed supporting plate is arranged on the periphery below the supporting screw rod, the fixed supporting plate is connected with the movable protective box body through a screw, the fixed supporting plate is connected with the supporting screw rod through a thread, the supporting screw penetrates through the fixed supporting plate and then is connected with a bottom top plate in a spherical hinge mode, the bottom top plate is circular, and a fixed cone is welded below the bottom top plate.
The top end of the movable protective box body is provided with a top cover, a push handle is fixedly connected to one side wall of the movable protective box body, a hinge is arranged above the push handle at the joint part of the movable protective box body and the top cover, and the top cover is rotatably connected with the movable protective box body through the hinge.
The movable protective box body is fixedly connected with an operation controller on an adjacent side wall of the pushing handle, a scientific calculator is inlaid on one side of the back of the top cover, a book holder is arranged on one side of the scientific calculator, and the book holder is connected with the top cover through screws.
The middle part of the interior of the movable protective box is fixedly connected with an intermediate support plate at a position close to the lower part, both sides of the lower part of the intermediate support plate are fixedly connected with storage batteries, and the middle part of the lower part of the intermediate support plate is fixedly connected with a lifting motor.
The output end of the lifting motor penetrates through the rear key of the intermediate support plate and is connected with a lifting screw rod, a threaded sleeve is arranged on the periphery above the lifting screw rod, and the lifting screw rod is connected with the threaded sleeve through threads.
The lifting support plate is fixedly connected to the upper portion of the threaded sleeve, the fixing base is fixedly connected to the middle portion of the upper portion of the lifting support plate, and the level is fixedly connected to the upper portion of the fixing base.
The four bosses on the lifting supporting plate are connected with guide sleeves in an interference mode, guide columns are arranged inside the guide sleeves and are connected with the guide sleeves in a sliding mode, and the guide columns are connected with the middle supporting plate and the inner top of the movable protective box body in an interference mode.
The middle supporting plate is located above the lifting screw rod, a sliding seat is fixedly connected to one side of the lifting screw rod, a rotating shaft is rotatably connected to the inside of the sliding seat, and meanwhile the rotating shaft can slide inside the sliding seat.
One end of the rotating shaft penetrates through the rear key of the movable protective box body and is connected with a stirring handle, and the rotating shaft is rotatably connected with the movable protective box body.
One end of the rotating shaft is connected with a main gear through a key, a driven gear is arranged on one side of the main gear on the outer wall of the lifting screw rod, the main gear is a helical gear, and the main gear is meshed with the driven gear.
A use method of a leveling device for engineering construction foundations comprises the following steps:
when using this leveling device:
s1: the leveling device is fixed by moving the push handle and the universal wheel to proper positions, then switching on an external power supply, controlling the starting of the supporting motor through the operation controller, driving the supporting screw rod to rotate in the fixed supporting plate, further controlling the bottom top plate to move downwards, pricking the fixed cone into the ground, and simultaneously performing preliminary leveling and balancing operation on the leveling device by controlling different supporting motors to work;
s2: then the top cover is opened, so that the back of the top cover is supported by abutting against the pushing handle, then the scientific calculator and the book holder on the back of the top cover are arranged, data recording and operation can be conveniently carried out, the operation is extremely practical and convenient, meanwhile, the lifting lead screw is controlled to rotate by the operation controller, and the lifting, extending, leveling, collecting and protecting operation of the fixed base and the level can be realized under the action of the lifting lead screw and the screw sleeve;
when not in use:
in time with the spirit level receipts and neatly protect, can ensure the safety in utilization of spirit level, can be when the inconvenient and battery insufficient voltage's of power supply occasion is used, through stirring drive pivot and master gear rotation, the master gear drives driven gear and rotates in step, and then can drive the lifting screw and rotate, realize carrying out manual regulation to the height of lift backup pad and spirit level, satisfy basic ground levelling operation.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
1. The scientific calculator and the book holder are arranged on the back of the top cover, so that data recording and operation operations can be conveniently carried out, and the device is extremely practical and convenient;
2. by arranging the lifting motor, the screw rod, the threaded sleeve, the lifting support plate, the fixed base and the level, the lifting extending leveling, collecting and protecting operation of the fixed base and the level can be realized, the leveling operation can be met, the level can be collected and protected in time when not in use, and the use safety of the level can be ensured;
3. through stirring and driving pivot and master gear rotation, the master gear drives driven gear synchronous rotation, and then can drive the elevating screw and rotate, realizes carrying out manual regulation to the height of lift backup pad and surveyor's level, can use in the inconvenient and battery insufficient voltage's of power supply occasion, satisfies basic ground levelling operation, convenient and practical.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention to its proper form. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the level in the present invention during the extension operation;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
FIG. 4 is a front cross-sectional view of the mobile protective housing of the present invention;
FIG. 5 is an enlarged view of a portion of the invention at B in FIG. 4;
FIG. 6 is a front sectional view of the elevating screw and the threaded sleeve of the present invention;
fig. 7 is a structural view of the elevation supporting plate of the present invention.
In the figure: 1-moving a protective box body; 2-universal wheels; 3-fixing the support plate; 4-a slide rail; 5-a motor support plate; 6-supporting the motor; 7-a support screw; 8-bottom roof; 9-fixing the cone; 10-operating a controller; 11-a top cover; 12-a push handle; 13-a hinge; 14-stirring the stems; 15-a ruler storage slot; 16-a scientific calculator; 17-book end; 18-a fixed base; 19-a level gauge; 20-lifting the supporting plate; 21-a guide sleeve; 22-a guide post; 23-intermediate support plate; 24-a lifting motor; 25-lifting screw rod; 26-a thread sleeve; 27-a driven gear; 28-a slide; 29-main gear; 30-rotating shaft.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
Example (b):
as shown in fig. 1-3, a leveling device for engineering construction foundation comprises a movable protective box body 1, support screw 7 and supporting motor 6, remove 1 below four corners fixedly connected with universal wheel 2 of protection box, remove 1 lateral wall middle part of protection box and the equal fixedly connected with slide rail 4 in another lateral wall both sides, sliding connection motor backup pad 5 on the slide rail 4, fixedly connected with supporting motor 6 on 5 lateral walls of motor backup pad, supporting motor 6 output has supporting screw 7 through the coupling joint, supporting screw 7 below periphery is provided with fixing support plate 3, fixing support plate 3 passes through the screw with removal protection box 1, fixing support plate 3 passes through threaded connection with supporting screw 7, supporting screw 7 passes fixing support plate 3 back ball pivot and is connected with bottom roof 8, bottom roof 8 is circular, the welding of bottom roof 8 below has solid fixed cone 9.
In this example, can be before carrying out the ground leveling, remove suitable position through universal wheel 2 with this leveling device, then switch on external power supply, through operation controller 10 control supporting motor 6 starts, can drive supporting screw 7 and rotate in the inside of fixed supporting plate 3, and then control bottom roof 8 downstream, prick fixed awl 9 underground, fix this leveling device, simultaneously can be through controlling the work of each different supporting motor 6, carry out preliminary balanced operation of making level to this device, the work load of looking for the horizontally when can greatly reduced later stage through surveyor's level 19 leveling, and then improve leveling efficiency.
As shown in fig. 1 and 2, a top cover 11 is arranged at the top end of the movable protective box body 1, a push handle 12 is fixedly connected to one side wall of the movable protective box body 1, a hinge 13 is arranged above the push handle 12 at the joint part of the movable protective box body 1 and the top cover 11, the top cover 11 is rotatably connected with the movable protective box body 1 through the hinge 13, and the push handle 12 can be pushed to move the leveling device.
As shown in fig. 1 and 2, an operation controller 10 is fixedly connected to a side wall of the movable protective case 1 adjacent to the push handle 12, a scientific calculator 16 is embedded in one side of the back of the top cover 11, a book holder 17 is arranged on one side of the scientific calculator 16, and the book holder 17 is connected with the top cover 11 through screws.
In this example, when the ground is tested, the top cover 11 is opened, and then the scientific calculator 16 and the book holder 17 on the top cover 11 are opened to support the other side of the top cover on the pushing handle 12, so that the data recording and operation can be conveniently carried out, and the method is extremely practical and convenient.
As shown in fig. 4, 6 and 7, an intermediate support plate 23 is fixedly connected to a lower portion of the middle portion of the interior of the movable protective box 1, storage batteries are fixedly connected to two sides of the lower portion of the intermediate support plate 23, a lifting motor 24 is fixedly connected to the middle portion of the lower portion of the intermediate support plate 23, an output end of the lifting motor 24 is connected to a lifting screw 25 after passing through the intermediate support plate 23, a threaded sleeve 26 is arranged on the periphery of the upper portion of the lifting screw 25, the lifting screw 25 is connected to the threaded sleeve 26 through threads, the lifting motor 24 acts to drive the lifting screw 25 to rotate, the threaded sleeve 26 is driven to move upwards along the screw, and the lifting movement of.
As shown in fig. 2 and 4, a lifting support plate 20 is fixedly connected above the threaded sleeve 26, a fixed base 18 is fixedly connected to the middle part above the lifting support plate 20, and a level gauge 19 is fixedly connected above the fixed base 18.
In this embodiment, the lifting support plate 20 can perform the lifting, extending, leveling, and leveling protection operations on the fixed base 18 and the level gauge 19 under the action of the lifting screw 25 and the screw sleeve 26, so that the leveling operation can be satisfied, and the level gauge 19 can be timely leveled and protected when not in use, thereby ensuring the use safety of the level gauge 19.
As shown in fig. 4, four bosses on the lifting support plate 20 are connected with guide sleeves 21 in an interference fit manner, guide posts 22 are arranged inside the guide sleeves 21, the guide posts 22 are connected with the guide sleeves 21 in a sliding manner, the guide posts 22 are connected with the middle support plate 23 and the inner top of the movable protective box 1 in an interference fit manner, and the guide sleeves 21 are matched with the guide posts 22 to provide guidance for the lifting movement of the lifting support plate 20.
As shown in fig. 4-7, a sliding seat 28 is fixedly connected to one side of the elevating screw 25 above the intermediate support plate 23, a rotating shaft 30 is rotatably connected to the inside of the sliding seat 28, and the rotating shaft 30 can slide inside the sliding seat 28, one end of the rotating shaft 30 is connected to the stirring handle 14 after passing through the movable shielding box 1, the rotating shaft 30 is rotatably connected to the movable shielding box 1, one end of the rotating shaft 30 is connected to a main gear 29 through a key, a driven gear 27 is arranged on one side of the main gear 29 on the outer wall of the elevating screw 25, the main gear 29 and the driven gear 27 are both helical gears, and the main gear 29 is meshed with the.
In this embodiment, when the device is used in the situation that the power supply is inconvenient and the storage battery is insufficient, the stirring handle 14 drives the rotating shaft 30 and the main gear 29 to rotate, the main gear 29 drives the driven gear 27 to synchronously rotate, and further the lifting screw 25 can be driven to rotate, so that the height of the lifting support plate 20 and the height of the level gauge 19 can be manually adjusted, the basic ground leveling operation can be met, and the device is convenient and practical.
The working principle is as follows: when the leveling device is used, the leveling device can be moved to a proper position through the push handle 12 and the universal wheel 2, then an external power supply is switched on, the supporting motor 6 is controlled to be started through the operation controller 10, the supporting screw 7 can be driven to rotate inside the fixed supporting plate 3, the bottom top plate 8 is further controlled to move downwards, the fixed cone 9 is penetrated into the ground, the leveling device is fixed, meanwhile, the preliminary leveling and balancing operation can be carried out by controlling the different supporting motors 6, the workload of leveling in the later period of leveling through the level gauge 19 can be greatly reduced, the leveling efficiency is further improved, then the top cover 11 is opened, the back of the top cover 11 is supported by abutting against the push handle 12, then the scientific calculator 16 and the book clamp 17 at the back of the top cover 11 are arranged, data recording and operation can be conveniently carried out, and the leveling device is extremely practical and convenient, meanwhile, the lifting screw 25 is controlled to rotate through the operation controller 10, under the action of the lifting screw 25 and the screw sleeve 26, the lifting, extending, leveling and leveling protection operation of the fixed base 18 and the level gauge 19 can be realized, the leveling operation can be met, the level gauge 19 can be timely leveled and protected when not used, the use safety of the level gauge 19 can be ensured, when the electric power supply is inconvenient and the storage battery is in power shortage, the rotating shaft 30 and the main gear 29 are driven to rotate through the stirring handle 14, the main gear 29 drives the driven gear 27 to synchronously rotate, the lifting screw 25 can be driven to rotate, the manual adjustment of the heights of the lifting support plate 20 and the level gauge 19 is realized, the basic foundation leveling operation can be met, and the electric power-saving and energy-saving device is convenient and practical.
The embodiment also discloses a using method of the engineering construction foundation leveling device, which is characterized by comprising the following steps:
when using this leveling device:
s1: the push handle 12 and the universal wheel 2 are moved to proper positions, then an external power supply is switched on, the supporting motor 6 is controlled to be started through the operation controller 10, the supporting screw 7 can be driven to rotate inside the fixed supporting plate 3, the bottom top plate 8 is further controlled to move downwards, the fixed cone 9 is inserted into the ground, the leveling device is fixed, and meanwhile, the device can be subjected to preliminary leveling and balancing operation by controlling the work of different supporting motors 6;
s2: then the top cover 11 is opened, so that the back of the top cover 11 is supported by abutting against the pushing handle 12, then the scientific calculator 16 and the book holder 17 on the back of the top cover 11 are arranged, data recording and operation can be conveniently carried out, the operation is extremely practical and convenient, meanwhile, the lifting lead screw 25 is controlled to rotate by the operation controller 10, and the lifting, extending, leveling, collecting and protecting operation of the fixed base 18 and the level gauge 19 can be realized under the action of the lifting lead screw 25 and the screw sleeve 26;
when not in use:
the leveling instrument 19 is timely retracted and protected, the use safety of the leveling instrument 19 can be ensured, when the leveling instrument is used in occasions where power supply is inconvenient and a storage battery is insufficient, the rotating shaft 30 and the main gear 29 are driven to rotate by the stirring handle 14, the main gear 29 drives the driven gear 27 to synchronously rotate, the lifting screw 25 can be driven to rotate, manual adjustment of the heights of the lifting support plate 20 and the leveling instrument 19 is achieved, and basic foundation leveling operation is met.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The engineering construction foundation leveling device comprises a movable protective box body (1), a supporting screw rod (7) and a supporting motor (6), and is characterized in that universal wheels (2) are fixedly connected at four corners below the movable protective box body (1), slide rails (4) are fixedly connected to the middle of one side wall and two sides of the other side wall of the movable protective box body (1), a motor supporting plate (5) is slidably connected to the slide rails (4), the supporting motor (6) is fixedly connected to one side wall of the motor supporting plate (5), the supporting screw rod (7) is connected to the output end of the supporting motor (6) through a coupler, a fixed supporting plate (3) is arranged on the periphery below the supporting screw rod (7), the fixed supporting plate (3) is connected with the movable protective box body (1) through screws, and the fixed supporting plate (3) is connected with the supporting screw rod (7) through threads, the supporting screw rod (7) penetrates through the rear spherical hinge of the fixed supporting plate (3) and is connected with a bottom top plate (8), the bottom top plate (8) is circular, and a fixed cone (9) is welded below the bottom top plate (8).
2. The engineering construction foundation leveling device according to claim 1, wherein a top cover (11) is arranged at the top end of the movable protective box body (1), a push handle (12) is fixedly connected to one side wall of the movable protective box body (1), a hinge (13) is arranged above the push handle (12) at the joint of the movable protective box body (1) and the top cover (11), and the top cover (11) is rotatably connected with the movable protective box body (1) through the hinge (13).
3. The engineering construction foundation leveling device according to claim 2, wherein an operation controller (10) is fixedly connected to one side wall of the movable protective box body (1) adjacent to the push handle (12), a scientific calculator (16) is embedded in one side of the back of the top cover (11), a book clip (17) is arranged on one side of the scientific calculator (16), and the book clip (17) is connected with the top cover (11) through screws.
4. The engineering construction foundation leveling device according to claim 1, wherein an intermediate support plate (23) is fixedly connected to the lower portion of the middle portion in the movable protective box body (1), storage batteries are fixedly connected to two sides below the intermediate support plate (23), and a lifting motor (24) is fixedly connected to the middle portion below the intermediate support plate (23).
5. The engineering construction foundation leveling device according to claim 4, wherein the output end of the lifting motor (24) penetrates through the middle support plate (23) and is connected with a lifting screw rod (25) in a rear key mode, a threaded sleeve (26) is arranged on the periphery above the lifting screw rod (25), and the lifting screw rod (25) is connected with the threaded sleeve (26) in a threaded mode.
6. The engineering construction foundation leveling device according to claim 5, wherein a lifting support plate (20) is fixedly connected above the screw sleeve (26), a fixed base (18) is fixedly connected to the middle part above the lifting support plate (20), and a leveling instrument (19) is fixedly connected above the fixed base (18).
7. The engineering construction foundation leveling device according to claim 6, wherein a guide sleeve (21) is connected to four bosses on the lifting support plate (20) in an interference manner, a guide column (22) is arranged inside the guide sleeve (21), the guide column (22) is connected with the guide sleeve (21) in a sliding manner, and the guide column (22) is connected with the middle support plate (23) and the inner top of the movable protective box body (1) in an interference manner.
8. The engineering construction foundation leveling device according to claim 7, wherein a sliding base (28) is fixedly connected to one side of the lifting screw rod (25) above the middle support plate (23), a rotating shaft (30) is rotatably connected to the inside of the sliding base (28), and the rotating shaft (30) can slide inside the sliding base (28).
9. The engineering construction foundation leveling device according to claim 8, wherein one end of the rotating shaft (30) penetrates through the movable protective box body (1) and is connected with a stirring handle (14) in a key mode, the rotating shaft (30) is connected with the movable protective box body (1) in a rotating mode, one end of the rotating shaft (30) is connected with a main gear (29) in a key mode, a driven gear (27) is arranged on the outer wall of the lifting lead screw (25) and located on one side of the main gear (29), the main gear (29) and the driven gear (27) are both helical gears, and the main gear (29) is meshed with the driven gear (27).
10. The use method of the engineering construction foundation leveling device according to claim 9, characterized by comprising the following steps:
when using this leveling device:
s1: the leveling device is characterized in that a push handle (12) and universal wheels (2) are moved to proper positions, then an external power supply is switched on, a supporting motor (6) is controlled to start through an operation controller (10), a supporting screw (7) can be driven to rotate inside a fixed supporting plate (3), a bottom top plate (8) is further controlled to move downwards, a fixed cone (9) is inserted into the ground, the leveling device is fixed, and meanwhile, preliminary leveling operation can be performed on the device by controlling different supporting motors (6) to work;
s2: then the top cover (11) is opened, so that the back of the top cover (11) is supported by abutting against the pushing handle (12), then the scientific calculator (16) and the book holder (17) on the back of the top cover (11) are arranged, data recording and operation can be conveniently carried out, the operation is extremely practical and convenient, meanwhile, the lifting lead screw (25) is controlled to rotate by the operation controller (10), and the lifting, extending, leveling and leveling protection operation on the fixed base (18) and the level gauge (19) can be realized under the action of the lifting lead screw (25) and the screw sleeve (26);
when not in use:
the leveling instrument (19) is timely retracted and protected, the use safety of the leveling instrument (19) can be ensured, when the leveling instrument is used in occasions where power supply is inconvenient and a storage battery is insufficient, the rotating shaft (30) and the main gear (29) are driven to rotate by the stirring handle (14), the main gear (29) drives the driven gear (27) to synchronously rotate, the lifting screw rod (25) can be driven to rotate, manual adjustment of the heights of the lifting support plate (20) and the leveling instrument (19) is achieved, and basic foundation leveling operation is met.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110236063.7A CN113062368A (en) | 2021-03-03 | 2021-03-03 | Engineering construction foundation leveling device and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110236063.7A CN113062368A (en) | 2021-03-03 | 2021-03-03 | Engineering construction foundation leveling device and using method |
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| CN113062368A true CN113062368A (en) | 2021-07-02 |
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| CN202110236063.7A Pending CN113062368A (en) | 2021-03-03 | 2021-03-03 | Engineering construction foundation leveling device and using method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208171247U (en) * | 2018-05-24 | 2018-11-30 | 湖南有色金属职业技术学院 | Engineering survey level |
| CN208652064U (en) * | 2018-08-31 | 2019-03-26 | 胡钢 | A kind of project cost calculator bracket |
| CN211648017U (en) * | 2020-01-17 | 2020-10-09 | 湖北地矿建设勘察有限公司 | Exploration drilling equipment suitable for complex stratum |
| CN212584644U (en) * | 2020-06-15 | 2021-02-23 | 周继波 | Land engineering surveying and mapping device |
-
2021
- 2021-03-03 CN CN202110236063.7A patent/CN113062368A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208171247U (en) * | 2018-05-24 | 2018-11-30 | 湖南有色金属职业技术学院 | Engineering survey level |
| CN208652064U (en) * | 2018-08-31 | 2019-03-26 | 胡钢 | A kind of project cost calculator bracket |
| CN211648017U (en) * | 2020-01-17 | 2020-10-09 | 湖北地矿建设勘察有限公司 | Exploration drilling equipment suitable for complex stratum |
| CN212584644U (en) * | 2020-06-15 | 2021-02-23 | 周继波 | Land engineering surveying and mapping device |
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