CN113959411B - U-shaped steel sheet pile perpendicularity detection device - Google Patents
U-shaped steel sheet pile perpendicularity detection device Download PDFInfo
- Publication number
- CN113959411B CN113959411B CN202111240325.3A CN202111240325A CN113959411B CN 113959411 B CN113959411 B CN 113959411B CN 202111240325 A CN202111240325 A CN 202111240325A CN 113959411 B CN113959411 B CN 113959411B
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- steel sheet
- sheet pile
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- sliding
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 61
- 239000010959 steel Substances 0.000 title claims abstract description 61
- 238000001514 detection method Methods 0.000 title claims description 19
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000005389 magnetism Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 7
- 210000005056 cell body Anatomy 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/12—Instruments for setting out fixed angles, e.g. right angles
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a device for detecting the perpendicularity of a U-shaped steel sheet pile, which comprises a contact plate arranged on the U-shaped steel sheet pile, wherein two clamping plates matched with the U-shaped steel sheet pile are arranged on the contact plate through a bidirectional moving mechanism, and a lifting plate is arranged on the contact plate through a lifting structure; two ends of the lifting plate are provided with an installation seat through elastic sliding structures, and the two installation seats are provided with a detachable contact rod through a dismounting structure; two both sides of mount pad are all fixed mounting has a cylinder, two equal fixed mounting has a link on the cylinder, corresponding two fixed mounting has a pushing block between the link, and pushing block slidable mounting is on the lifter plate, two through-holes have been seted up on the lifter plate. The advantages are that: the method is convenient to detect the verticality of the U-shaped steel sheet pile quickly before the U-shaped steel sheet pile is used, so that the labor intensity of the whole U-shaped steel sheet pile is reduced to a certain extent, and the U-shaped steel sheet pile is convenient to use better.
Description
Technical Field
The invention relates to the technical field of steel sheet piles, in particular to a device for detecting perpendicularity of a U-shaped steel sheet pile.
Background
The U-shaped steel sheet pile is a firm reinforcing structure commonly used for isolating an excavated site and a foundation of a building, and can improve the stability of the foundation, but the existing U-shaped steel sheet pile has the following defects in the use process: the straightness detection is not carried out before the use, when the inclination smaller than 90 degrees occurs, gaps are easy to generate between the straightness detection and the foundation, expected firmness can be influenced, the straightness correction is carried out by taking out the straightness detection device, and the labor intensity is relatively high.
Disclosure of Invention
The invention aims to solve the problems in the background art, and provides a device for detecting the perpendicularity of a U-shaped steel sheet pile.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a U shaped steel sheet pile straightness detection device that hangs down, includes the contact plate of placing on U shaped steel sheet pile, install two clamping plates that cooperate with U shaped steel sheet pile through two-way moving mechanism on the contact plate, install the lifter plate on the contact plate through the elevation structure;
two ends of the lifting plate are provided with an installation seat through elastic sliding structures, and the two installation seats are provided with a detachable contact rod through a dismounting structure;
two equal fixed mounting in both sides of mount pad has a cylinder, two equal fixed mounting has a link on the cylinder, corresponding two fixed mounting has a pushing block between the link, and pushing block slidable mounting is on the lifter plate, two through-holes have been seted up on the lifter plate, two equal slidable mounting has an instruction frame on the through-hole, and the terminal surface shape of instruction frame is H shape.
In the detection device for the perpendicularity of the U-shaped steel sheet pile, the bidirectional moving mechanism comprises two square cavities, a round connecting cavity, two moving blocks, two ball nuts, a bidirectional screw rod, two connecting grooves, two connecting rods, a driving structure and two clamping plates, wherein the two square cavities and the round connecting cavity are formed in the contact plate, two ends of the round connecting cavity are communicated with the two square cavities, one moving block is slidably arranged in the two square cavities, one bidirectional screw rod is rotatably arranged between the two square cavities, two ball nuts matched with the corresponding moving blocks are arranged at two ends of the bidirectional screw rod, two connecting grooves communicated with the square cavities are formed in the lower surface of the contact plate, and the lower ends of the two moving blocks are fixedly provided with one clamping plate through the connecting rods.
In the device for detecting the perpendicularity of the U-shaped steel sheet pile, the driving structure comprises a first servo motor and a mounting groove, the mounting groove is formed in the side face of the contact plate and is communicated with the adjacent directional cavity, the first servo motor is fixedly mounted in the mounting groove, and one end of the bidirectional screw rod is fixedly connected with the driving end of the first servo motor.
In the device for detecting the perpendicularity of the U-shaped steel sheet pile, the lifting structure comprises a second servo motor, a screw rod and a second ball nut, the second servo motor is fixedly arranged on the upper surface of the contact plate, the screw rod is fixedly arranged at the driving end of the second servo motor, and the second ball nut matched with the screw rod is arranged on the lifting plate.
In the above-mentioned U-shaped steel sheet pile straightness detection device that hangs down, elasticity slip comprises sliding plate, spacing slider, magnet first, magnet second, square cell body and the spacing spout of bar, a square cell body has all been seted up at the both ends of lifter plate, two the spacing spout of bar has all been seted up to the both sides lateral wall of square cell body, two equal fixed mounting has a sliding plate with square cell body matched with on the side that the mount pad is close to one side mutually, two equal fixed mounting in both sides of sliding plate have one with the spacing slider of the spacing spout matched with of bar, two equal fixed mounting has a magnet second in the square spout, two equal fixed mounting has a magnet first on the side that the sliding plate is close to one side mutually, and magnet first and magnet two are close to magnetism looks of one side and inhale.
In the above-mentioned U-shaped steel sheet pile straightness detection device that hangs down, the dismouting structure comprises ladder spout, contact bar and fixed plate and ladder slider, two a ladder spout has all been seted up on the mount pad one side of keeping away from mutually, two all sliding placement has a ladder slider in the ladder spout, two the equal fixed mounting of one end is kept away from mutually to the ladder slider has a contact bar, two equal fixed mounting of lower surface of contact bar has a fixed plate, and passes through two screw post fixed connection between fixed plate and the corresponding mount pad.
In the detection device for the perpendicularity of the U-shaped steel sheet pile, two groove bodies are formed in the side face of the lifting plate, and a graduated scale matched with the indication frame is arranged on each groove body.
Compared with the prior art, the invention has the advantages that:
1: the setting of two-way moving mechanism is convenient for contact plate to place and press from both sides tightly U shaped steel sheet pile fast after on U shaped steel sheet pile to be in relative fixed state between make contact plate and the U shaped steel sheet pile, thereby make the device when carrying out the straightness that hangs down detect the device can be stable place on U shaped steel sheet pile.
2: When the U-shaped steel sheet pile is inclined by less than 90 degrees, the mounting seat can move towards the direction close to the contact plate in the upward movement process of the lifting plate, and the movement can finally enable the indication frame to move, so that whether the U-shaped steel sheet pile is inclined by less than 90 degrees can be known by directly observing the position of the indication frame after the lifting operation is finished.
3: Adopt detachable mode to connect between contact rod and the mount pad to be convenient for select suitable contact rod to carry out the straightness that hangs down according to the width difference of U shaped steel sheet pile and detect.
Drawings
FIG. 1 is a schematic structural view of a device for detecting verticality of a U-shaped steel sheet pile;
fig. 2 is a schematic structural view of a lifting plate and a contact plate in a device for detecting verticality of a U-shaped steel sheet pile according to the present invention;
Fig. 3 is a schematic structural view of a contact plate portion in a device for detecting verticality of a U-shaped steel sheet pile according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 with the contact plate removed;
fig. 5 is a schematic structural view of a lifting plate part in the device for detecting verticality of a U-shaped steel sheet pile according to the present invention;
Fig. 6 is a schematic structural view of a mounting seat part in the device for detecting verticality of a U-shaped steel sheet pile according to the present invention;
fig. 7 is a schematic structural view of an installation seat in the device for detecting verticality of a U-shaped steel sheet pile.
In the figure: 1U-shaped steel sheet pile, 2 contact plates, 3 moving blocks, 4 bidirectional screw rods, 5 connecting grooves, 6 connecting rods, 7 servo motors I, 8 clamping plates, 9 servo motors II, 10 screw rods, 11 lifting plates, 12 sliding plates, 13 mounting seats, 14 limit sliding blocks, 15 magnetic blocks I, 16 magnetic blocks II, 17 ladder sliding blocks, 18 contact rods, 19 fixing plates, 20 threaded columns, 21 cylinders, 22 connecting frames, 23 pushing blocks, 24 through holes, 25 indicating frames, 26 mounting grooves and 27 ladder sliding grooves.
Detailed Description
Referring to fig. 1 to 5, a verticality detection device of a U-shaped steel sheet pile comprises a contact plate 2 placed on the U-shaped steel sheet pile 1, wherein two clamping plates 8 matched with the U-shaped steel sheet pile 1 are installed on the contact plate 2 through a bidirectional moving mechanism, and a lifting plate 11 is installed on the contact plate 2 through a lifting structure;
The following points are notable:
1. The bidirectional moving mechanism consists of two square cavities (not shown in the figure), a round connecting cavity (not shown in the figure), two moving blocks 3, two ball nuts I (not shown in the figure), a bidirectional screw rod 4, two connecting grooves 5, two connecting rods 6, a driving structure and two clamping plates 8, wherein the two square cavities and the round connecting cavity are formed in the contact plate 2, two ends of the round connecting cavity are communicated with the two square cavities, one moving block 3 is slidably arranged in each of the two square cavities, one bidirectional screw rod 4 is rotatably arranged between the two square cavities, two ball nuts I matched with the corresponding moving blocks 3 are arranged at two ends of the bidirectional screw rod 4, two connecting grooves 5 communicated with the square cavities are formed in the lower surface of the contact plate 2, and one clamping plate 8 is fixedly arranged at the lower ends of the two moving blocks 3 through the connecting rods 6.
2. The two-way moving mechanism is arranged so that the two clamping plates 8 can be close to each other or far away from each other at the same time, thereby facilitating the rapid clamping and fixing of the contact plate 2.
3. The driving structure consists of a first servo motor 7 and a mounting groove 26, the side surface of the contact plate 2 is provided with the mounting groove 26, the mounting groove 26 is communicated with the adjacent directional cavity, the first servo motor 7 is fixedly mounted in the mounting groove 26, and one end of the bidirectional screw rod 4 is fixedly connected with the driving end of the first servo motor 7.
4. The driving structure can also be composed of a knob and a circular mounting groove, wherein the knob replaces the first servo motor 7 in the previous driving structure, the circular mounting groove replaces the mounting groove 26 in the previous driving structure, when in operation, the knob is directly applied with a rotating force by hand, the circular mounting groove is arranged so that the knob does not protrude from the contact plate 2, and the knob is also conveniently applied with a rotating force by hand.
5. The lifting structure comprises a second servo motor 9, a screw rod 10 and a second ball nut, wherein the second servo motor 9 is fixedly arranged on the upper surface of the contact plate 2, the screw rod 10 is fixedly arranged at the driving end of the second servo motor 9, and the second ball nut matched with the screw rod 10 is arranged on the lifting plate 11.
6. The lifting structure is arranged so that the lifting plate 11 can move up and down in the vertical direction as required, and the verticality detection is facilitated.
7. In order to reduce the abrasion generated during the movement of the moving blocks 3, a layer of elastic pad (such as a rubber pad) can be wrapped on the two moving blocks 3, and the friction in the movement process can be reduced by utilizing the elasticity of the elastic pad.
Referring to fig. 5 to 7, both ends of the lifting plate 11 are provided with a mounting seat 13 through an elastic sliding structure, and both mounting seats 13 are provided with a detachable contact rod 18 through a dismounting structure;
The following points are notable:
1. The elastic sliding is composed of a sliding plate 12, a limiting sliding block 14, a first magnetic block 15, a second magnetic block 16, square groove bodies and strip-shaped limiting sliding grooves, two square groove bodies are respectively arranged at two ends of the lifting plate 11, the strip-shaped limiting sliding grooves are respectively arranged on two side walls of the two square groove bodies, a sliding plate 12 matched with the square groove bodies is fixedly arranged on the side edge of the two mounting seats 13 close to one side, a limiting sliding block 14 matched with the strip-shaped limiting sliding grooves is fixedly arranged on two sides of the two sliding plates 12, a second magnetic block 16 is fixedly arranged in the two square sliding grooves, a first magnetic block 15 is fixedly arranged on the side edge of the two sliding plates 12 close to one side, and the first magnetic block 15 and the second magnetic block 16 are attracted by the magnetism of the side close to one side.
2. At this time, the limit slider 14 can only slide in a direction approaching the second magnetic block 16.
3. The elastic sliding arrangement is such that when the U-shaped steel sheet pile 1 has a certain inclination (less than 90 °), the contact bar 18 will move to a position close to the contact plate 2, facilitating the detection of perpendicularity.
4. The detection device is mainly used for detecting the inclination of the U-shaped steel sheet pile 1 when the inclination of the U-shaped steel sheet pile 1 is smaller than 90 degrees, when the inclination of the U-shaped steel sheet pile 1 is required to be detected, the length of a cylinder 21 in the device is larger than the width of the U-shaped steel sheet pile 1, then two fixing plates 19 are arranged and are respectively positioned on two sides of the U-shaped steel sheet pile 1, the fixing between the fixing plates 19 and the cylinder 21 is realized through the threaded columns 20, but at the moment, the magnetism of the side, close to each other, of the first magnet block 15 and the second magnet block 16 is in an attractive state, and the limit sliding block 14 can slide to the side far away from the contact plate 2.
5. The dismounting structure comprises a ladder chute 27, a contact rod 18, a fixed plate 19 and a ladder sliding block 17, wherein one ladder chute 27 is arranged on one side, far away from each other, of the two mounting seats 13, one ladder sliding block 17 is arranged in the two ladder chute 27 in a sliding manner, one contact rod 18 is fixedly arranged on one end, far away from each other, of the two ladder sliding blocks 17, one fixed plate 19 is fixedly arranged on the lower surface of the two contact rods 18, and the fixed plate 19 is fixedly connected with the corresponding mounting seat 13 through two threaded columns 20.
Referring to fig. 1, 2 and 5, two sides of two mounting seats 13 are fixedly provided with a cylinder 21, two cylinders 21 are fixedly provided with a connecting frame 22, a pushing block 23 is fixedly arranged between the corresponding two connecting frames 22, the pushing block 23 is slidably arranged on a lifting plate 11, two through holes 24 are formed in the lifting plate 11, two indicating frames 25 are slidably arranged on the two through holes 24, and the end faces of the indicating frames 25 are H-shaped;
The following points are notable:
1. Two groove bodies are arranged on the side surface of the lifting plate 11, and a graduated scale matched with the indication frame 25 is arranged on each groove body; the arrangement of the graduated scale facilitates visual observation of the moving distance of the indicator frame 25.
2. The push block 23 is in direct contact with the indicator frame 25 in the initial state, and no elastic pad is provided therebetween.
3. The pushing block 23 is hollow with two ends communicated, as can be seen from fig. 2 of the specification, in order to reduce the abrasion of the pushing block 23 during the moving process, an elastic pad can be fixedly installed on the inner wall of the pushing block 23, and the abrasion during the moving process is reduced by using the elasticity of the elastic pad.
Further, the above-described fixed connection is to be understood in a broad sense, unless explicitly stated and defined otherwise, as being, for example, welded, glued, or integrally formed, as is well known to those skilled in the art.
In the invention, a contact plate 2 is placed on a U-shaped steel sheet pile 1 (shown in figure 1), then a first servo motor 7 works to drive a bidirectional screw rod 4 to rotate, the bidirectional screw rod 4 rotates to drive two moving blocks 3 to approach each other through a first ball nut, and the two moving blocks 3 approach a connecting rod 6 to drive two clamping plates 8 to approach each other, so that the clamping of the U-shaped steel sheet pile 1 is completed.
Starting a second servo motor 9, driving a lifting plate 11 to move upwards through the cooperation of a screw rod 10 and a second ball nut, driving a mounting seat 13 to move upwards through a sliding plate 12 by the upward movement of the lifting plate 11, driving a contact rod 18 in contact with a U-shaped steel sheet pile 1 to move upwards together by the upward movement of the mounting seat 13, and enabling the mounting seat 13 to move towards a direction close to the contact plate 2 when the U-shaped steel sheet pile 1 has an inclination smaller than 90 degrees in the moving process, wherein the movement of the mounting seat 13 drives a pushing block 23 to move through a cylinder 21 and a connecting frame 22, and the pushing block 23 moves to push an indicating frame 25 to move, so that whether the U-shaped steel sheet pile 1 at the position has the inclination smaller than 90 degrees can be directly judged.
Claims (3)
1. The utility model provides a U shaped steel sheet pile straightness detection device that hangs down, includes contact plate (2) of placing on U shaped steel sheet pile (1), its characterized in that, install two clamping plates (8) that cooperate with U shaped steel sheet pile (1) through two-way moving mechanism on contact plate (2), install lifter plate (11) through the elevation structure on contact plate (2);
Two ends of the lifting plate (11) are provided with an installation seat (13) through elastic sliding structures, and a detachable contact rod (18) is arranged on each installation seat (13) through a disassembly and assembly structure;
Two sides of each mounting seat (13) are fixedly provided with a cylinder (21), each cylinder (21) is fixedly provided with a connecting frame (22), a pushing block (23) is fixedly arranged between the corresponding two connecting frames (22), the pushing blocks (23) are slidably arranged on the lifting plate (11), two through holes (24) are formed in the lifting plate (11), each through hole (24) is slidably provided with an indicating frame (25), and the end face of each indicating frame (25) is H-shaped; the bidirectional moving mechanism consists of two square cavities, a circular connecting cavity, two moving blocks (3), two ball nuts I, a bidirectional screw rod (4), two connecting grooves (5), two connecting rods (6), a driving structure and two clamping plates (8), wherein the two square cavities and the circular connecting cavity are formed in the contact plate (2), two ends of the circular connecting cavity are communicated with the two square cavities, the two moving blocks (3) are slidably arranged in the two square cavities, the two bidirectional screw rod (4) is rotatably arranged between the two square cavities, the ball nuts I matched with the corresponding moving blocks (3) are arranged at two ends of the bidirectional screw rod (4), two connecting grooves (5) communicated with the square cavities are formed in the lower surface of the contact plate (2), and the clamping plates (8) are fixedly arranged at the lower ends of the two moving blocks (3) through the connecting rods (6); the driving structure consists of a first servo motor (7) and a mounting groove (26), the side surface of the contact plate (2) is provided with the mounting groove (26), the mounting groove (26) is communicated with the adjacent directional cavity, the first servo motor (7) is fixedly arranged in the mounting groove (26), and one end of the bidirectional screw rod (4) is fixedly connected with the driving end of the first servo motor (7); the lifting structure consists of a second servo motor (9), a screw rod (10) and a second ball nut, wherein the second servo motor (9) is fixedly arranged on the upper surface of the contact plate (2), the screw rod (10) is fixedly arranged at the driving end of the second servo motor (9), and the second ball nut matched with the screw rod (10) is arranged on the lifting plate (11); the elastic sliding device comprises a sliding plate (12), a limiting slide block (14), a first magnetic block (15), a second magnetic block (16), square groove bodies and strip-shaped limiting slide grooves, wherein the two ends of a lifting plate (11) are respectively provided with a square groove body, the side walls of the two sides of the square groove bodies are respectively provided with a strip-shaped limiting slide groove, the side edges of the two installation seats (13) close to one side are respectively fixedly provided with a sliding plate (12) matched with the square groove body, the two sides of the sliding plate (12) are respectively fixedly provided with a limiting slide block (14) matched with the strip-shaped limiting slide grooves, the two square groove bodies are respectively fixedly provided with a second magnetic block (16), the side edges of the two sides of the sliding plate (12) close to one side are respectively fixedly provided with a first magnetic block (15), and the magnetism of the side of the first magnetic block (15) close to the second magnetic block (16) is absorbed; at this moment, the limit sliding block (14) can only slide towards the direction close to the second magnetic block (16), the elastic sliding arrangement enables the contact rod (18) to move towards the position close to the contact plate (2) when a certain inclination is smaller than 90 degrees in the U-shaped steel sheet pile (1), the perpendicularity detection is convenient, the inclination detection is convenient when the inclination detection is smaller than 90 degrees in the U-shaped steel sheet pile (1), the length of a cylinder (21) in the device is larger than the width of the U-shaped steel sheet pile (1) when the inclination detection is needed to be larger than 90 degrees in the U-shaped steel sheet pile (1), then the fixing plates (19) are arranged to be two, the fixing plates (19) and the cylinders (21) are respectively located at two sides of the U-shaped steel sheet pile (1), at this moment, the magnetism of the side close to each other between the first magnetic block (15) and the second magnetic block (16) is in a suction state, and the limit sliding block (14) can slide towards the side far away from the contact plate (2).
2. The device for detecting the perpendicularity of the U-shaped steel sheet pile according to claim 1, wherein the dismounting structure is composed of a stepped sliding groove (27), a contact rod (18), a fixing plate (19) and stepped sliding blocks (17), wherein the stepped sliding groove (27) is formed in each of two sides, far away from each other, of each mounting seat (13), the stepped sliding blocks (17) are slidably arranged in each of the stepped sliding grooves (27), the contact rod (18) is fixedly arranged at each of the two ends, far away from each other, of each of the stepped sliding blocks (17), the fixing plate (19) is fixedly arranged on the lower surface of each of the contact rods (18), and the fixing plate (19) is fixedly connected with the corresponding mounting seat (13) through two threaded columns (20).
3. The device for detecting the perpendicularity of the U-shaped steel sheet pile according to claim 1, wherein two groove bodies are formed in the side face of the lifting plate (11), and a graduated scale matched with the indication frame (25) is arranged on each groove body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111240325.3A CN113959411B (en) | 2021-10-25 | 2021-10-25 | U-shaped steel sheet pile perpendicularity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111240325.3A CN113959411B (en) | 2021-10-25 | 2021-10-25 | U-shaped steel sheet pile perpendicularity detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113959411A CN113959411A (en) | 2022-01-21 |
| CN113959411B true CN113959411B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111240325.3A Active CN113959411B (en) | 2021-10-25 | 2021-10-25 | U-shaped steel sheet pile perpendicularity detection device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208847500U (en) * | 2018-08-24 | 2019-05-10 | 河南省洛阳正骨医院（河南省骨科医院） | Adjustable fixer for sampling bone tumor pathological specimen |
| CN211057886U (en) * | 2019-09-25 | 2020-07-21 | 郑州大学建设工程质量研究检测有限公司 | Fixing device of pile foundation settlement observation instrument |
| CN212513048U (en) * | 2020-07-22 | 2021-02-09 | 湖南安华工程监理有限公司 | Engineering is managed with straightness detection device that hangs down |
| CN112697418A (en) * | 2020-12-28 | 2021-04-23 | 云南经济管理学院 | Testing arrangement is used in children's toy production |
| CN213902336U (en) * | 2020-08-15 | 2021-08-06 | 中交一公局集团有限公司 | Perpendicularity detection equipment for building construction |
-
2021
- 2021-10-25 CN CN202111240325.3A patent/CN113959411B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208847500U (en) * | 2018-08-24 | 2019-05-10 | 河南省洛阳正骨医院（河南省骨科医院） | Adjustable fixer for sampling bone tumor pathological specimen |
| CN211057886U (en) * | 2019-09-25 | 2020-07-21 | 郑州大学建设工程质量研究检测有限公司 | Fixing device of pile foundation settlement observation instrument |
| CN212513048U (en) * | 2020-07-22 | 2021-02-09 | 湖南安华工程监理有限公司 | Engineering is managed with straightness detection device that hangs down |
| CN213902336U (en) * | 2020-08-15 | 2021-08-06 | 中交一公局集团有限公司 | Perpendicularity detection equipment for building construction |
| CN112697418A (en) * | 2020-12-28 | 2021-04-23 | 云南经济管理学院 | Testing arrangement is used in children's toy production |
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| Publication number | Publication date |
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| CN113959411A (en) | 2022-01-21 |
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