CN115231440A - Multifunctional foundation pit lifting construction device - Google Patents
Multifunctional foundation pit lifting construction device Download PDFInfo
- Publication number
- CN115231440A CN115231440A CN202211005068.XA CN202211005068A CN115231440A CN 115231440 A CN115231440 A CN 115231440A CN 202211005068 A CN202211005068 A CN 202211005068A CN 115231440 A CN115231440 A CN 115231440A
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- Prior art keywords
- multifunctional
- frame
- foundation pit
- construction device
- lifting construction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a multifunctional foundation pit lifting construction device which comprises a stable placing frame body, wherein the outer wall of the stable placing frame body is provided with a plurality of connecting transverse beams, the upper end surface of one connecting transverse beam is provided with a storage coiling frame, two sides of the connecting transverse beam are both connected with connecting clamp bodies, the outer wall of each connecting clamp body is connected with a connecting clamping groove, an air blower is arranged on one side of the storage coiling frame, one side above the air blower is provided with a control cabinet body, and a controller and a wireless network module are arranged in the control cabinet body. The multifunctional lifting construction device sends out an alarm through monitoring the environment of the foundation pit when the concentration of harmful gas in the foundation pit exceeds a normal level, the air is automatically linked with the blower to supply air, and the material lifting device is changed into an emergency personnel lifting device to play a role in emergency rescue; the transverse connecting beam capable of being spliced can facilitate the installation and the disassembly of the device, improve the portability of the device and facilitate the moving construction of the device.
Description
Technical Field
The invention relates to the technical field of construction of power tower foundations, in particular to a multifunctional foundation pit lifting construction device.
Background
In recent years, with the development of power grid businesses, the establishment of some power towers is not limited to flat landforms, and the establishment of the power towers on mountains is just a necessary trend because the landforms are mainly mountainous and the establishment of the power towers on the flat landforms is bound to influence the development. The construction method is characterized in that a deep foundation pit needs to be drilled downwards for building the power tower foundation, the main problem which troubles people at present is how to transport stone soil and the like in the foundation pit, in order to guarantee the construction and development of the power tower foundation, aiming at the problem of sandstone soil transportation in the foundation pit of the power tower foundation, the construction characteristics of the foundation pit of the power tower foundation are summarized, a solution idea and a treatment method are provided, and a scheme of a multifunctional lifting device of the foundation pit is provided.
Disclosure of Invention
The invention aims to provide a multifunctional foundation pit lifting construction device, which aims to solve the problems that the existing deep foundation pit construction in the background technology is complicated, diversified and changeable in geological foundation structure, difficult to observe and identify and easy to cause safety accidents, so that casualties are caused, equipment for basic deep foundation pit operation in the power industry in the market at present is relatively single in function, low in safety and reliability and low in intelligent degree, and the existing equipment is required to be improved in various aspects such as product completion degree and standardization.
In order to achieve the purpose, the invention provides the following technical scheme: multi-functional promotion construction equipment of foundation ditch includes:
the stable placing frame comprises a stable placing frame body, wherein the outer wall of the stable placing frame body is provided with a plurality of connecting transverse beams, the upper end face of one connecting transverse beam is provided with a storage coil frame, two sides of the connecting transverse beam are both connected with connecting clamp bodies, the outer wall of each connecting clamp body is connected with a connecting clamping groove, and the inside of each connecting clamp body is connected with a locking rod;
the air blower is arranged on one side of the storage coil rack, a control cabinet body is arranged on one side above the air blower, and a controller and a wireless network module are arranged inside the control cabinet body.
Preferably, the storage coil rack is further provided with:
the lower rope releasing device comprises a lower rope releasing, a connecting clasp is connected below the storage coiling frame, a connecting retaining ring is connected below the connecting clasp, a multifunctional frame is connected below the connecting retaining ring, a camera is mounted on one side of the multifunctional frame, a sulfur dioxide detector is connected to the outer wall of the multifunctional frame, a protection spring is connected below the multifunctional frame, a bottom plate protection plate is connected below the protection spring, a harmful gas detector is arranged below the sulfur dioxide detector, a smoke detector is arranged on one side of the sulfur dioxide detector, a light voice alarm is mounted inside the multifunctional frame, and an oxygen sensor is arranged on one side of the light voice alarm;
the installation slider, it is connected the outer wall of light audible alarm ware, sulfur dioxide detector and harmful gas detector, the outer wall connection of installation slider has the installation spout.
Preferably, put down and constitute the coiled structure between rope and the storage coil frame, and transfer the rope and connect clasp threaded connection to put down and constitute the lock structure between rope through connecting the clasp and connecting the buckle and the multi-functional frame.
Preferably, light audible alarm ware, sulfur dioxide detector and harmful gas detector all with installation slider fixed connection, and install the slider and constitute sliding structure through installing between spout and the multi-functional frame to the overall dimension of installation slider and installation spout is identical each other.
Preferably, the multifunctional frame is in threaded connection with the protection spring, the protection spring is in threaded connection with the base plate protection plate, and an elastic telescopic structure is formed between the protection spring and the base plate protection plate.
Preferably, the stable frame body of placing still is equipped with:
the motor frame, it sets up stably place the top of support body, the inside of motor frame is provided with motor power, motor power's power end is connected with power plate reel, the outer wall of power plate reel is connected with the coiling rope, the below of coiling rope is connected with the material rack.
Preferably, power motor and power disc reel key-type connection, and constitute the coiling structure between power disc reel and the rope of coiling, the one side of stably placing the support body is the trapezium structure.
Preferably, connect horizontal roof beam and the connection card body fixed connection, and connect horizontal roof beam and constitute mosaic structure through the connection card body and connect the draw-in groove and stably place between the support body to the connection card body passes through to constitute locking structure between check lock lever and the connection draw-in groove.
Preferably, the air blower and the horizontal roof beam threaded connection of connection, and the one end of air blower is provided with the hose, the control cabinet body with connect horizontal roof beam threaded connection, and controller and wireless network module all with control cabinet body threaded connection.
Compared with the prior art, the invention provides a multifunctional foundation pit lifting construction device which has the following beneficial effects: constructors can easily finish the transportation of the sand and stone and the soil in the foundation pit, and the multifunctional lifting device of the foundation pit is researched to improve the mechanization level and the labor condition, so that the technology can be applied in multiple fields and environments; the construction period of the foundation pit can be shortened, working time, manpower and financial resources are greatly saved, working efficiency is improved, the construction period can be ensured to be finished in advance, and the application range of the multifunctional foundation pit lifting device is wider. On the other hand, considering that a lot of risks exist in the safety of the foundation pit operation, through foundation pit environment monitoring, when the concentration of harmful gas in the foundation pit exceeds a normal level, an alarm is given out, the air blower is automatically linked to supply air, and the material lifting device is changed into an emergency personnel lifting device to play an emergency rescue function;
1. the multifunctional rack can be conveniently taken out and connected up and down through the buckled multifunctional rack, so that materials in the multifunctional rack can be conveniently put in, and the multifunctional rack is convenient to use; the light voice alarm, the sulfur dioxide detector and the harmful gas detector which can be installed in a sliding mode can facilitate quick installation of the light voice alarm, the sulfur dioxide detector and the harmful gas detector and connection of mechanisms, and are very convenient to use; the multifunctional frame with the protection function can be used for protection treatment in the lowering process, so that the hard collision condition is avoided, and the protection effect is achieved;
2. the device can be conveniently mounted and dismounted through the connecting transverse beam which can be spliced, the portability of the device is improved, and the moving construction of the device is facilitated; the air blower arranged blows air into the formed pot hole, so that the purpose of air exchange is achieved, and the carbon dioxide siltation in the pot hole is avoided, and the safety is not affected.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of a three-dimensional structure of the connection between the sulfur dioxide detector and the multifunctional rack of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 1 according to the present invention;
fig. 5 is a schematic structural view of the working principle of the multifunctional rack of the invention.
In the figure: 1. the shelf body is stably placed; 2. connecting the transverse beams; 3. a connecting card body; 4. a connecting clamping groove; 5. a locking lever; 6. a take-up reel holder; 7. a blower; 8. a control cabinet body; 9. a motor frame; 10. a power motor; 11. a power disc reel; 12. coiling the rope; 13. placing a material rack; 14. releasing the rope; 15. a connecting clasp; 16. connecting a retaining ring; 17. a multifunctional rack; 18. a camera; 19. a sulfur dioxide detector; 20. a guard spring; 21. a bottom plate guard plate; 22. a harmful gas detector; 23. a smoke detector; 24. a light voice alarm; 25. an oxygen sensor; 26. installing a sliding block; 27. and (5) installing a sliding groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 5, the multifunctional foundation pit lifting construction device comprises: the stable placing frame comprises a stable placing frame body 1, wherein the outer wall of the stable placing frame body 1 is provided with a plurality of connecting transverse beams 2, the upper end surface of one connecting transverse beam 2 is provided with a storage coil frame 6, two sides of the connecting transverse beam 2 are both connected with connecting clamp bodies 3, the outer wall of each connecting clamp body 3 is connected with a connecting clamping groove 4, and the inside of each connecting clamp body 3 is connected with a locking rod 5; the connecting transverse beam 2 is fixedly connected with the connecting clamp body 3, the connecting transverse beam 2 forms a splicing structure with the stable placement frame body 1 through the connecting clamp body 3 and the connecting clamping groove 4, and the connecting clamp body 3 forms a locking structure with the connecting clamping groove 4 through the locking rod 5; the device can be conveniently mounted and dismounted through the connecting transverse beam 2 which can be spliced, the portability of the device is improved, and the moving construction of the device is facilitated; the air blower 7 is arranged on one side of the storage coil rack 6, a control cabinet body 8 is arranged on one side above the air blower 7, and a controller and a wireless network module are arranged inside the control cabinet body 8; the blower 7 is in threaded connection with the connecting transverse beam 2, a hose is arranged at one end of the blower 7, the control cabinet body 8 is in threaded connection with the connecting transverse beam 2, and the controller and the wireless network module are both in threaded connection with the control cabinet body 8; the air blower 7 is arranged to blow air into the formed pit hole, so that the purpose of air exchange is achieved, and the carbon dioxide deposition in the pit hole is avoided, and the safety is not affected.
As shown in fig. 1-2 and 5, the multifunctional lifting construction device for foundation pit comprises: the motor frame 9 is arranged above the stable placing frame body 1, a power motor 10 is arranged inside the motor frame 9, the power end of the power motor 10 is connected with a power disc reel 11, the outer wall of the power disc reel 11 is connected with a coiling rope 12, and a material placing frame 13 is connected below the coiling rope 12; power motor 10 and 11 key-type connections of power dish reel, and constitute the coiling structure between power dish reel 11 and the rope 12 of coiling, the one side of stably placing support body 1 is the trapezium structure.
As shown in fig. 1 and 3, the multifunctional foundation pit lifting construction device comprises: the lower unreeling rope 14 is connected below the storage coil rack 6, one end of the lower unreeling rope 14 is connected with a connecting clasp 15, a connecting retaining ring 16 is connected below the connecting clasp 15, a multifunctional rack 17 is connected below the connecting retaining ring 16, a camera 18 is installed on one side of the multifunctional rack 17, and a sulfur dioxide detector 19 is connected to the outer wall of the multifunctional rack 17; a coiling structure is formed between the lower releasing rope 14 and the storage coiling frame 6, the lower releasing rope 14 is in threaded connection with the connecting clasp 15, and the lower releasing rope 14 forms a buckling structure with the multifunctional frame 17 through the connecting clasp 15 and the connecting clasp 16; the multifunctional rack 17 which can be buckled can be used for conveniently taking out and connecting the multifunctional rack 17 up and down, so that materials in the multifunctional rack 17 can be conveniently put in, and the multifunctional rack 17 can be conveniently used; a protective spring 20 is connected below the multifunctional frame 17, and a bottom plate protective plate 21 is connected below the protective spring 20; the multifunctional frame 17 is in threaded connection with a protection spring 20, the protection spring 20 is in threaded connection with a bottom plate protection plate 21, and an elastic telescopic structure is formed between the protection spring 20 and the bottom plate protection plate 21; the multifunctional frame 17 with the protection function can be used for protection treatment in the lowering process, so that the hard collision is avoided, and the protection effect is achieved; a harmful gas detector 22 is arranged below the sulfur dioxide detector 19, a smoke detector 23 is arranged on one side of the sulfur dioxide detector 19, a light voice alarm 24 is arranged inside the multifunctional frame 17, and an oxygen sensor 25 is arranged on one side of the light voice alarm 24; the mounting sliding block 26 is connected to the outer walls of the lamplight voice alarm 24, the sulfur dioxide detector 19 and the harmful gas detector 22, and the outer wall of the mounting sliding block 26 is connected with a mounting sliding groove 27; the light voice alarm 24, the sulfur dioxide detector 19 and the harmful gas detector 22 are all fixedly connected with the installation sliding block 26, the installation sliding block 26 forms a sliding structure with the multifunctional frame 17 through the installation sliding groove 27, and the installation sliding block 26 is matched with the installation sliding groove 27 in shape and size; through the light audio alert ware 24 that can carry out the slip installation, sulfur dioxide detector 19 and harmful gas detector 22 also make things convenient for the connection of mechanism when can make things convenient for light audio alert ware 24, sulfur dioxide detector 19 and harmful gas detector 22's quick installation, and is very convenient, and the light audio alert ware 24 that sets up, sulfur dioxide detector 19 and harmful gas detector 22 can detect the inside gas of pot hole, improve the construction security.
The working principle is as follows: when the multifunctional lifting construction device is used, firstly, a harmful gas detector 22, a sulfur dioxide detector 19 and a smoke detector 23 are installed, acting force is respectively applied to the harmful gas detector, the installing slide block 26 generates acting force, the installing slide block 26 finishes sliding on the multifunctional frame 17 through the installing slide groove 27 under the action of the acting force, locking is finished through bolts after the sliding is finished, when the multifunctional lifting construction device is used, the stable placing frame body 1 is erected on a pot hole, then the connecting transverse beam 2 is installed, acting force is applied to the connecting transverse beam 2, the connecting transverse beam 2 is fixedly connected with the connecting clamp body 3, the connecting clamp body 3 enters the connecting clamp groove 4, then locking is finished through the locking rod 5, when the multifunctional lifting construction device is used, materials are placed on the material placing frame 13, then the power motor 10 on the motor frame 9 is started, the power motor 10 is in key connection with the power disc reel 11, and the power disc reel 11 rotates, the power disc reel 11 drives the disc-coiled rope 12 to generate acting force, the disc-coiled rope 12 is buckled with the material placing frame 13, the material placing frame 13 moves to enable the material to descend to the bottom of the pit hole, in the pit hole construction process, the interior of the pit hole needs to be detected, at the moment, the storage disc reel frame 6 is rotated, the storage disc reel frame 6 is coiled with the lower rope pay-off 14, the lower rope pay-off 14 moves, the lower rope pay-off 14 is in threaded connection with the connecting clasp 15, the connecting clasp 15 is buckled with the multifunctional frame 17 through the connecting buckle ring 16, the multifunctional frame 17 drives various detection mechanisms to move into the pit hole, the oxygen sensor 25 arranged on the multifunctional frame 17 detects the oxygen content in the pit hole, when the content is not in a normal value range, the oxygen sensor 25 transmits information to a controller arranged in the control cabinet body 8 through a wire, and the controller gives an instruction to the electrically connected light voice alarm 24 to give an alarm, and send alarm information to the mobile phone end through electric connection's wireless network module, the harmful gas detector 22 that sets up like the same, sulfur dioxide detector 19 and smoke detector 23 detect the inside gas of pot hole, the air-blower 7 that sets up is to the inside conveying air of pot hole, avoid the oxygen deficiency, make a video recording with multi-functional frame 17 swing joint's camera 18, and through wireless network module conveying information data, protection spring 20 and the bottom plate guard plate 21 that sets up at the in-process of multi-functional frame 17 below carry out the bottom protection to multi-functional frame 17.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Multi-functional promotion construction equipment of foundation ditch, its characterized in that includes:
the stable placing frame comprises a stable placing frame body (1), wherein the outer wall of the stable placing frame body (1) is provided with a plurality of connecting transverse beams (2), the upper end face of one connecting transverse beam (2) is provided with a storage coil frame (6), two sides of the connecting transverse beam (2) are connected with connecting clamp bodies (3), the outer wall of each connecting clamp body (3) is connected with a connecting clamping groove (4), and the inside of each connecting clamp body (3) is connected with a locking rod (5);
the air blower (7) is arranged on one side of the storage coil rack (6), a control cabinet body (8) is arranged on one side above the air blower (7), and a controller and a wireless network module are arranged inside the control cabinet body (8).
2. The multifunctional foundation pit lifting construction device according to claim 1, wherein the storage reel frame (6) is further provided with:
the lower rope releasing device comprises a lower rope releasing (14) connected below a storage coil frame (6), wherein one end of the lower rope releasing (14) is connected with a connecting clasp (15), a connecting buckle (16) is connected below the connecting clasp (15), a multifunctional frame (17) is connected below the connecting buckle (16), a camera (18) is installed on one side of the multifunctional frame (17), a sulfur dioxide detector (19) is connected to the outer wall of the multifunctional frame (17), a protection spring (20) is connected below the multifunctional frame (17), a bottom plate protection plate (21) is connected below the protection spring (20), a harmful gas detector (22) is arranged below the sulfur dioxide detector (19), a smoke detector (23) is arranged on one side of the sulfur dioxide detector (19), a light voice alarm (24) is installed inside the multifunctional frame (17), and an oxygen sensor (25) is arranged on one side of the light voice alarm (24);
installation slider (26), its connection is in the outer wall of light audible alarm (24), sulfur dioxide detector (19) and harmful gas detector (22), the outer wall of installation slider (26) is connected with installation spout (27).
3. The foundation pit multifunctional lifting construction device according to claim 2, characterized in that a coiling structure is formed between the lower rope (14) and the storage coiling frame (6), the lower rope (14) is in threaded connection with the connecting clasp (15), and the lower rope (14) is in a buckling structure with the multifunctional frame (17) through the connecting clasp (15) and the connecting clasp (16).
4. The multifunctional foundation pit lifting construction device according to claim 2, wherein the light voice alarm (24), the sulfur dioxide detector (19) and the harmful gas detector (22) are fixedly connected with the installation sliding block (26), the installation sliding block (26) forms a sliding structure with the multifunctional frame (17) through the installation sliding groove (27), and the installation sliding block (26) and the installation sliding groove (27) are matched in external dimension.
5. The multifunctional foundation pit lifting construction device according to claim 2, wherein the multifunctional frame (17) is in threaded connection with the protection spring (20), the protection spring (20) is in threaded connection with the bottom plate protection plate (21), and an elastic telescopic structure is formed between the protection spring (20) and the bottom plate protection plate (21).
6. The multifunctional foundation pit lifting construction device according to claim 1, wherein the stable placement frame body (1) is further provided with:
the motor frame (9) is arranged above the stable placement frame body (1), a power motor (10) is arranged inside the motor frame (9), the power end of the power motor (10) is connected with a power disc reel (11), the outer wall of the power disc reel (11) is connected with a coiling rope (12), and a material placement frame (13) is connected below the coiling rope (12).
7. The multifunctional foundation pit lifting construction device according to claim 6, wherein the power motor (10) is in key connection with the power disc reel (11), a coiling structure is formed between the power disc reel (11) and the coiling rope (12), and one side of the stable placement frame body (1) is in a trapezoidal structure.
8. The multifunctional foundation pit lifting construction device according to claim 1, wherein the connecting transverse beam (2) is fixedly connected with the connecting clamp body (3), the connecting transverse beam (2) forms a splicing structure with the stable placement frame body (1) through the connecting clamp body (3) and the connecting clamping groove (4), and the connecting clamp body (3) forms a locking structure with the connecting clamping groove (4) through the locking rod (5).
9. The multifunctional foundation pit lifting construction device according to claim 1, wherein the air blower (7) is in threaded connection with the connecting transverse beam (2), a hose is arranged at one end of the air blower (7), the control cabinet body (8) is in threaded connection with the connecting transverse beam (2), and the controller and the wireless network module are both in threaded connection with the control cabinet body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211005068.XA CN115231440A (en) | 2022-08-22 | 2022-08-22 | Multifunctional foundation pit lifting construction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211005068.XA CN115231440A (en) | 2022-08-22 | 2022-08-22 | Multifunctional foundation pit lifting construction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115231440A true CN115231440A (en) | 2022-10-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211005068.XA Pending CN115231440A (en) | 2022-08-22 | 2022-08-22 | Multifunctional foundation pit lifting construction device |
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| Country | Link |
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| CN (1) | CN115231440A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118150778A (en) * | 2024-05-09 | 2024-06-07 | 江西省送变电工程有限公司 | Gas detection alarm device for deep foundation pit operation |
-
2022
- 2022-08-22 CN CN202211005068.XA patent/CN115231440A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118150778A (en) * | 2024-05-09 | 2024-06-07 | 江西省送变电工程有限公司 | Gas detection alarm device for deep foundation pit operation |
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