CN108867657B - Foundation pit upright post pile and dismantling device thereof - Google Patents
Foundation pit upright post pile and dismantling device thereof Download PDFInfo
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- CN108867657B CN108867657B CN201810771785.0A CN201810771785A CN108867657B CN 108867657 B CN108867657 B CN 108867657B CN 201810771785 A CN201810771785 A CN 201810771785A CN 108867657 B CN108867657 B CN 108867657B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a foundation pit upright post pile and a dismantling device thereof, and relates to the field of foundation pit enclosure of house buildings, wherein the foundation pit upright post pile comprises an upper support and a lower support, the upper support is vertically connected with the lower support in a sliding manner, the top end of the lower support is rotatably connected with a large gear, and the bottom end of the upper support is fixedly connected with a lifting screw; rotating the large gear to enable the lifting screw to ascend, enabling the upper support column to be separated from the lower support column, and enabling the upper support column to be disassembled; the dismounting device comprises a fixed block, a dismounting frame and a driving motor; the fixed block is provided with an insertion hole, the driving motor comprises an output shaft, and a pinion is fixedly connected to the output shaft of the driving motor; the dismounting frame is rotatably connected with a rotating block; the rotating block is fixed with the fixed sleeve, and the pinion is driven to rotate by the driving motor, so that the upper support column is detached; thereby transport last support through removing the fixed block to be convenient for place and transport last support.
Description
Technical Field
The invention relates to the field of building construction foundation pit fencing, in particular to a foundation pit upright post pile and a dismantling device thereof.
Background
The building construction engineering refers to various building constructions, auxiliary facilities thereof and matched line, pipeline and equipment installation engineering thereof, and when the building foundation pit is constructed, in order to ensure the construction safety, a support measure is taken in the foundation pit.
In the prior art, reference is made to a Chinese utility model patent with an authorization publication number of CN205591216U, which discloses a house building foundation pit maintenance device, comprising an upper upright post and a lower upright post; the bottom end of the upper upright post is fixedly connected with a connecting post, two sides of the connecting post are provided with fixing strips in a matching way, one side of the upper upright post is provided with an upper chute in a matching way, a sliding plate is arranged in the upper chute in a matching way, and the sliding plate is provided with a through hole; the inside cylinder hole groove, square groove, the ring groove of being provided with of lower stand, cylinder hole groove both sides set up the square groove respectively.
However, when the device is disassembled, the upper upright post needs to be manually rotated, so that the upper upright post is disassembled, the labor intensity is increased, and the upright post pile is inconvenient to disassemble.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a foundation pit upright post pile, wherein an upper support is driven to vertically move upwards by rotating a large gear on a lower support, so that the upper support is convenient to disassemble.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a foundation pit upright post pile, includes upper prop and lower pillar, upper prop and the vertical connection that slides of lower pillar, the lower pillar top is rotated and is connected with the gear wheel, the bottom rigid coupling of upper prop has the lifting screw who is connected with gear wheel threaded connection.
Through adopting above-mentioned technical scheme, rotate the gear wheel to make the lifting screw rise, thereby make the pillar of going up rise, thereby make pillar of going up and lower pillar separation, thereby dismantle the pillar of going up.
The invention is further configured to: the side wall of the upper support is fixedly connected with a fixing sleeve.
Through adopting above-mentioned technical scheme, with the pillar of hoist cable locking to carry on spacingly through fixed cover to the hoist cable, thereby hoist the pillar when making pillar and the separation of lower pillar, thereby be convenient for demolish the pillar.
The invention is further configured to: the fixing sleeve is symmetrically provided with connecting holes around the axis.
Through adopting above-mentioned technical scheme, the hoist and mount to last pillar can further be strengthened to connecting hole and lock on the fixed cover are passed to the hoist and mount to be convenient for dismantle last pillar.
In view of the defects in the prior art, another object of the present invention is to provide a dismantling device, which is fixed to a fixed cylinder through a rotating block, and drives a pinion to rotate through a driving motor, so as to drive a gearwheel to rotate, thereby separating an upper support from a lower support, thereby facilitating the dismantling of the upper support, and placing the upper support on the dismantling device, thereby facilitating the transportation of the upper support.
In order to achieve the purpose, the invention provides the following technical scheme: a demolition device for foundation pit upright piles comprises a fixed block, demolition frames vertically sliding on two sides of the top end of the fixed block and a driving motor vertically sliding on the fixed block;
the fixing block is provided with an insertion hole for inserting the upright post pile, the driving motor comprises an output shaft, and a pinion meshed with the gearwheel is fixedly connected to the output shaft of the driving motor;
the dismounting frame is rotatably connected with a rotating block detachably connected with the fixed sleeve.
By adopting the technical scheme, the rotating block is fixed with the fixed sleeve, and the driving motor drives the pinion to rotate so as to drive the bull gear to rotate, so that the upper support column is driven to vertically ascend, the dismantling frame is driven to vertically ascend, and the upper support column is dismantled; after the upper support column is separated from the lower support column, the upper support column is transported by moving the fixing block, so that the upper support column is convenient to place and transport.
The invention is further configured to: the dismounting frame comprises a connecting cylinder vertically and fixedly connected to the top end of the fixed block and a lifting frame connected with the connecting cylinder in a sliding mode, and the rotating block is arranged at one end, far away from the connecting cylinder, of the lifting frame;
and a non-return assembly for fixing the lifting frame on the position after the lifting frame moves is arranged on the connecting cylinder.
The invention is further configured to: the non-return assembly comprises a rack fixedly connected to the bottom end of the lifting frame, a non-return gear meshed with the rack and a ratchet wheel coaxially connected with the non-return gear;
the gear is rotationally connected with the connecting cylinder, and a pawl meshed with the ratchet wheel is arranged on the connecting cylinder.
Through adopting above-mentioned technical scheme, the crane drives the rack motion when rising to drive the non return gear and rotate, thereby drive the ratchet and rotate, because pawl and ratchet meshing, thereby make the ratchet unidirectional rotation, thereby can make the non return gear fix the position after the rotation, thereby can make the crane fix the position after the removal.
The invention is further configured to: the rotating block is provided with a connecting cavity, an inserting rod is connected in the connecting cavity in a sliding mode, and the inserting rod is connected with a connecting hole in the fixed sleeve in an inserting mode.
Through adopting above-mentioned technical scheme, the inserted bar is pegged graft with the connecting hole on the fixed cover to strengthen the crane and be connected with the upper prop, thereby be convenient for after upper prop and lower support separation, support the upper prop, thereby be convenient for demolish the upper prop.
The invention is further configured to: the top end of the fixed block is fixedly connected with a supporting cylinder for supporting the upright post pile, the supporting cylinder comprises a piston rod, and a supporting plate is fixedly connected to the piston rod of the supporting cylinder;
and after the upper support column rotates around the dismounting frame, the supporting plate is abutted against the side wall of the upper support column.
Through adopting above-mentioned technical scheme, rotate the pillar, the piston rod that supports the cylinder stretches out to drive the backup pad and rise, thereby make the backup pad and the lateral wall butt of last pillar, thereby support last pillar, thereby when the reduction was transported last pillar, go up rocking of pillar, thereby be convenient for transport last pillar.
The invention is further configured to: the insertion hole of the fixed block is connected with a sealing plate in a sliding mode, and the insertion hole is a sealed containing cavity after the sealing plate slides.
By adopting the technical scheme, after the sealing plate slides, the insertion hole is a sealed cavity, so that the lower support column is enclosed in the insertion hole, and the stability of the fixing block is improved when the upper support column is detached.
The invention is further configured to: the both sides of fixed block are vertical to be slided and are had the removal frame, it is connected with the gyro wheel to remove the frame bottom rotation, remove the frame slip back, gyro wheel and ground contact.
Through the technical scheme, after the movable frame slides, the roller on the movable frame is in contact with the ground, so that the fixed block is convenient to move, and the upper support column is convenient to transport; when dismantling the upper prop, the fixed block contacts with ground to increase the contact of fixed block and ground, thereby be convenient for to the dismantling of upper prop.
In conclusion, the invention has the following beneficial effects:
1. the rotating block is fixed with the fixed sleeve, and drives the pinion to rotate through the driving motor so as to drive the bull gear to rotate, so that the upper support column is driven to vertically ascend, the dismantling frame is driven to vertically ascend, and the upper support column is dismantled; after the upper support column is separated from the lower support column, the upper support column is transported by moving the fixing block, so that the upper support column is convenient to place and transport.
2. When the lifting frame ascends, the rack is driven to move, so that the non-return gear is driven to rotate, the ratchet wheel is driven to rotate, and the pawl is meshed with the ratchet wheel, so that the ratchet wheel rotates in a single direction, the non-return gear can be fixed at the position after rotation, and the lifting frame can be fixed at the position after movement.
3. After the sealing plate slides, the insertion hole is a sealed cavity, so that the lower support column is enclosed in the insertion hole, and the stability of the fixing block is improved when the upper support column is detached.
Drawings
FIG. 1 is an overall view of the embodiment;
FIG. 2 is a schematic view of an embodiment of a post;
FIG. 3 is a schematic view embodying a closing plate;
FIG. 4 is a schematic view embodying a support plate;
FIG. 5 is an enlarged schematic view of portion A of FIG. 4;
FIG. 6 is an enlarged schematic view of portion B of FIG. 4;
fig. 7 is an enlarged schematic view of the portion C in fig. 4.
In the figure: 1. an upper pillar; 11. a lifting screw; 12. fixing a sleeve; 13. connecting holes; 2. a lower pillar; 21. a bull gear; 3. a fixed block; 31. an insertion hole; 32. a support cylinder; 321. a support plate; 33. a closing plate; 331. sealing the cylinder; 34. a movable frame; 341. a roller; 342. a traveling cylinder; 4. dismantling the frame; 41. a connecting cylinder; 42. a lifting frame; 421. rotating the block; 422. a connecting cavity; 423. inserting a rod; 424. a splicing air cylinder; 43. a check assembly; 431. a rack; 432. a non-return gear; 433. a ratchet wheel; 434. a pawl; 435. connecting blocks; 436. a connecting spring; 437. a handle; 5. a drive motor; 51. a pinion gear; 52. and (5) jacking the cylinder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1: a foundation pit upright post, as shown in fig. 2, comprises a lower support column 2 and an upper support column 1 connected with the lower support column 2 in a sliding manner; the top end of the lower pillar 2 is rotatably connected with a large gear 21, the bottom end of the upper pillar 1 is fixedly connected with a lifting screw 11, and the lifting screw 11 is in threaded connection with the large gear 21; a containing cavity for placing the lifting screw 11 is arranged in the lower strut 2; the side wall of the upper pillar 1 is fixedly connected with a fixed sleeve 12, and the fixed sleeve 12 is symmetrically provided with connecting holes 13 around the axis.
When the foundation pit upright post pile is used, the large gear 21 is rotated, so that the lifting screw 11 moves towards the lower support post 2, the upper support post 1 is driven to move towards the lower support post 2, and the upper support post 1 and the lower support post 2 are connected into a whole; the lower prop 2 is buried under the ground, and the upper prop 1 and the large gear 21 at the top end of the lower prop 2 are located above the ground.
When the support is disassembled, the upper support 1 is hoisted by a sling, and the sling is limited by a fixed sleeve 12; the large gear 21 is rotated to drive the lifting screw 11 to move in a direction away from the lower support 2, so that the upper support 1 is separated from the lower support 2, and the upper support 1 is disassembled.
Example 2: a demolition device, as shown in fig. 1 and 3, includes a fixed block 3 and a demolition frame 4 disposed on the top end of the fixed block 3; the dismantling frame 4 is arranged on the top end of the fixed block 3 symmetrically relative to the center of the fixed block 3; the fixed block 3 is provided with an insertion hole 31 for placing the lower support column 2, one side of the insertion hole 31 is communicated with the fixed block 3, and the section of the insertion hole 31 is U-shaped.
When in use, the fixing block 3 is pushed to enable the lower support column 2 to be inserted into the insertion hole 31 on the fixing block 3, so that the dismounting frame 4 is convenient to be connected with the fixing sleeve 12 on the upper support column 1, the upper support column 1 is convenient to be supported, and the upper support column 1 is convenient to be dismounted.
The insertion hole 31 is connected with a sealing plate 33 close to the opening in a sliding manner, and a sealing cylinder 331 is fixedly connected in the fixing block 3; the closed cylinder 331 comprises a piston rod, and the piston rod of the closed cylinder 331 is fixedly connected with one end of the closing plate 33; after the closing plate 33 is moved, the insertion hole 31 on the fixing block 3 forms a closed cavity.
Promote fixed block 3 and make pillar 2 and patchhole 31 peg graft the back down, start closed cylinder 331 to closed cylinder 331 drives the motion of closing plate 33, thereby closing plate 33 seals patchhole 31, thereby pillar 2 is located the patchhole 31 after sealing down, thereby when demolising, increases the connection between pillar 2 and the fixed block 3 down, thereby is convenient for to the dismantlement of pillar 2 down.
Two sides of the bottom end of the fixed block 3 are vertically provided with placing cavities, the placing cavities are vertically connected with a moving frame 34 in a sliding manner, and the bottom end of the moving frame 34 is rotatably connected with a roller 341; the placing cavity is fixedly connected with a walking cylinder 342, the walking cylinder 342 comprises a piston rod, and the piston rod of the walking cylinder 342 is fixedly connected with the top end of the moving frame 34.
When the upper strut 1 is disassembled, the piston rod of the walking cylinder 342 drives the moving frame 34 to move towards the placing cavity, so that the bottom end of the fixed block 3 is contacted with the ground, the contact area between the fixed block 3 and the ground is increased, and the upper strut 1 is convenient to disassemble; after the dismantling is finished, the walking cylinder 342 drives the moving frame 34 to move, so that the roller 341 on the moving frame 34 is abutted against the ground, the fixed block 3 is jacked, and the fixed block 3 is convenient to transport.
With reference to fig. 4, the dismantling frame 4 includes a connecting cylinder 41 fixedly connected to the top end of the fixing block 3 and a lifting frame 42 vertically connected to the connecting cylinder 41 in a sliding manner; the top rigid coupling of fixed block 3 has support cylinder 32, and support cylinder 32 includes the piston rod, and the top rigid coupling of support cylinder 32's piston rod has the backup pad 321 that is used for carrying out the support to last pillar 1, and backup pad 321 is the arc surface, lower department on the arc surface of backup pad 321 and support cylinder 32's piston rod fixed connection.
After the upper support column 1 is completely dismantled, rotating the upper support column 1 to enable the upper support column 1 to be horizontally placed; the support cylinder 32 is actuated to move the support plate 321, thereby supporting the side wall of the upper column 1.
As shown in fig. 5, the top end of the lifting frame 42 is rotatably connected with a rotating block 421, a U-shaped connecting cavity 422 is formed on the rotating block 421, and an inserting rod 423 is slidably connected in the connecting cavity 422 of the rotating block 421; the top rigid coupling of turning block 421 has grafting cylinder 424, and grafting cylinder 424 includes the piston rod, and the piston rod and the inserted bar 423 fixed connection of grafting cylinder 424.
After the fixed block 3 is inserted into the lower support column 2, the rotating block 421 on the lifting frame 42 is inserted into the fixed sleeve 12 on the upper support column 1, so that the fixed sleeve 12 on the upper support column 1 is positioned in the connecting cavity 422 of the rotating block 421; starting the inserting cylinder 424 to drive the inserting rod 423 to move, so that the inserting rod 423 is inserted into the connecting hole 13 on the fixed sleeve 12, and the connection between the upper support 1 and the rotating block 421 is strengthened; after the upper prop 1 is removed, the upper prop 1 can be rotated following the rotation block 421.
With reference to fig. 4 and 6, a non-return assembly 43 is arranged at the connection position of the lifting frame 42 and the connecting cylinder 41, the non-return assembly 43 comprises a rack 431 fixedly connected to the bottom end of the lifting frame 42, a non-return gear 432 meshed with the rack 431 and a ratchet 433 coaxially connected with the non-return gear 432, and the non-return gear 432 is rotatably connected with the connecting cylinder 41; the ratchet wheel 433 is arranged on the outer side of the connecting cylinder 41, a pawl 434 is hinged to the outer side of the connecting cylinder 41, and the pawl 434 is meshed with the ratchet wheel 433; a connecting block 435 is fixedly connected to the position, provided with the pawl 434, of the connecting cylinder 41, a connecting spring 436 is fixedly connected to the connecting block 435, and one end, far away from the connecting block 435, of the connecting spring 436 is fixedly connected with the pawl 434; a handle 437 is secured to the pawl 434.
When dismantling last pillar 1, crane 42 follows last pillar 1 and moves up together to drive rack 431 upward movement, thereby drive non return gear 432 and rotate, thereby drive ratchet 433 and the cooperation of pawl 434, thereby prevent reversing of non return gear 432, thereby prevent crane 42 reverse motion, thereby reduce the potential safety hazard.
With reference to fig. 4 and 7, a jacking cylinder 52 is disposed at a position of the fixed block 3 close to the insertion hole 31, and the jacking cylinder 52 is fixedly connected inside the fixed block 3; the jacking cylinder 52 comprises a piston rod, the piston rod of the jacking cylinder 52 is fixedly connected with the driving motor 5, the output shaft of the driving motor 5 is fixedly connected with the pinion 51, and the pinion 51 is meshed with the gearwheel 21.
Starting the jacking cylinder 52 to drive the driving motor 5 to move upwards so as to drive the pinion 51 to move upwards, so that the pinion 51 is meshed with the gearwheel 21; the driving motor 5 is started to drive the pinion 51 to rotate, thereby driving the large gear 21 to rotate, thereby separating the upper column 1 from the lower column 2, thereby facilitating the disassembly of the upper column 1.
The working process is as follows: when the upper support column 1 is disassembled, the fixing block 3 is pushed, so that the insertion hole 31 on the fixing block 3 is inserted into the lower support column 2; the closing cylinder 331 is actuated so that the closing cylinder 331 moves the closing plate 33, and the closing plate 33 closes the insertion hole 31, thereby positioning the lower support 2 in the closed insertion hole 31.
After the fixed block 3 is inserted into the lower support column 2, the fixed sleeve 12 on the upper support column 1 is positioned in the connecting cavity 422 on the rotating block 421, and the inserting cylinder 424 is started to drive the inserting rod 423 to move, so that the inserting rod 423 is inserted into the connecting hole 13 on the fixed sleeve 12; starting the jacking cylinder 52 to drive the driving motor 5 to move upwards so as to drive the pinion 51 to move upwards, so that the pinion 51 is meshed with the gearwheel 21;
starting the driving motor 5, so as to drive the pinion 51 to rotate, so as to drive the bull gear 21 to rotate, so as to enable the upper prop 1 to move vertically upwards; the walking cylinder 342 is started, so that the piston rod of the walking cylinder 342 drives the moving frame 34 to move towards the placing cavity, so that the bottom end of the fixed block 3 is in contact with the ground, and the contact area between the fixed block 3 and the ground is increased.
The large gear 21 is continuously rotated, so that the upper support column 1 is continuously lifted, the lifting frame 42 is driven to move upwards, the rack 431 is driven to move upwards, the non-return gear 432 is driven to rotate, the ratchet wheel 433 is matched with the pawl 434, the non-return gear 432 is prevented from reversing, and the lifting frame 42 is prevented from moving reversely.
After the upper support column 1 is separated from the lower support column 2, the upper support column 1 is rotated to enable the upper support column 1 to be horizontal, and the supporting cylinder 32 is started to drive the supporting plate 321 to move, so that the side wall of the upper support column 1 is supported; the walking cylinder 342 is started, so that the piston rod of the walking cylinder 342 drives the moving frame 34 to move towards the direction away from the placing cavity, and the roller 341 is abutted to the ground.
The closing cylinder 331 is activated so that the closing cylinder 331 moves the closing plate 33 to open the insertion hole 31, thereby pushing the fixing block 3 to carry the upper column 1 away, thereby completing the disassembly of the upper column 1.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (6)
1. The utility model provides a demolish device for foundation ditch stand column pile, foundation ditch stand column pile include pillar (1) and lower pillar (2), pillar (1) and the vertical connection that slides of lower pillar (2) go up, pillar (2) top is rotated down and is connected with gear wheel (21), the bottom rigid coupling of pillar (1) has lifting screw (11) with gear wheel (21) threaded connection, the fixed cover (12) of lateral wall fixedly connected with of pillar (1) go up, connecting hole (13), its characterized in that have been seted up about the axis symmetry on fixed cover (12): the dismounting device comprises a fixed block (3), dismounting frames (4) vertically sliding on two sides of the top end of the fixed block (3) and a driving motor (5) vertically sliding on the fixed block (3);
the fixing block (3) is provided with an inserting hole (31) for inserting the upright post pile, the driving motor (5) comprises an output shaft, and a pinion (51) meshed with the gearwheel (21) is fixedly connected to the output shaft of the driving motor (5);
the dismantling frame (4) is rotatably connected with a rotating block (421) detachably connected with the fixed sleeve (12);
the dismounting frame (4) comprises a connecting cylinder (41) vertically and fixedly connected to the top end of the fixed block (3) and a lifting frame (42) connected with the connecting cylinder (41) in a sliding mode, and the rotating block (421) is arranged at one end, far away from the connecting cylinder (41), of the lifting frame (42);
the connecting cylinder (41) is provided with a non-return assembly (43) which fixes the lifting frame (42) at the moved position.
2. The demolition arrangement according to claim 1, wherein: the non-return assembly (43) comprises a rack (431) fixedly connected to the bottom end of the lifting frame (42), a non-return gear (432) meshed with the rack (431), and a ratchet wheel (433) coaxially connected with the non-return gear (432);
the check gear (432) is rotatably connected with the connecting cylinder (41), and a pawl (434) meshed with the ratchet wheel (433) is arranged on the connecting cylinder (41).
3. The demolition arrangement according to claim 1, wherein: a connecting cavity (422) is formed in the rotating block (421), an inserting rod (423) is connected in the connecting cavity (422) in a sliding mode, and the inserting rod (423) is connected with a connecting hole (13) in the fixed sleeve (12) in an inserting mode.
4. The demolition arrangement according to claim 1, wherein: a supporting cylinder (32) for supporting the upright post pile is fixedly connected to the top end of the fixing block (3), the supporting cylinder (32) comprises a piston rod, and a supporting plate (321) is fixedly connected to the piston rod of the supporting cylinder (32);
after the upper support column (1) rotates around the dismantling frame (4), the supporting plate (321) is abutted against the side wall of the upper support column (1).
5. The demolition arrangement according to claim 1, wherein: the insertion hole (31) of the fixing block (3) is connected with a closing plate (33) in a sliding mode, and after the closing plate (33) slides, the insertion hole (31) is a closed containing cavity.
6. The demolition arrangement according to claim 1, wherein: the two sides of the fixed block (3) vertically slide to form a movable frame (34), the bottom end of the movable frame (34) is rotatably connected with a roller (341), and after the movable frame (34) slides, the roller (341) is in contact with the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771785.0A CN108867657B (en) | 2018-07-13 | 2018-07-13 | Foundation pit upright post pile and dismantling device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771785.0A CN108867657B (en) | 2018-07-13 | 2018-07-13 | Foundation pit upright post pile and dismantling device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108867657A CN108867657A (en) | 2018-11-23 |
| CN108867657B true CN108867657B (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810771785.0A Active CN108867657B (en) | 2018-07-13 | 2018-07-13 | Foundation pit upright post pile and dismantling device thereof |
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| CN (1) | CN108867657B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113547478B (en) * | 2021-08-24 | 2022-07-15 | 国家电网有限公司 | Converter valve outer water cooling clean system BW30-365 type 5 only adorn reverse osmosis membrane and demolish specialized tool |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5870979A (en) * | 1981-10-22 | 1983-04-27 | Kubota Ltd | Welding device for steel pipe material |
| CN205591216U (en) * | 2016-04-26 | 2016-09-21 | 张改淑 | Foundation ditch erect column pile for housing construction |
| CN206680896U (en) * | 2017-04-19 | 2017-11-28 | 湘南学院 | A kind of smart travel service unit |
| CN206721880U (en) * | 2017-03-10 | 2017-12-08 | 陕西铁鹰特种车有限公司 | For large-scale ground pile type stud, the quick pulling device of screw |
-
2018
- 2018-07-13 CN CN201810771785.0A patent/CN108867657B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5870979A (en) * | 1981-10-22 | 1983-04-27 | Kubota Ltd | Welding device for steel pipe material |
| CN205591216U (en) * | 2016-04-26 | 2016-09-21 | 张改淑 | Foundation ditch erect column pile for housing construction |
| CN206721880U (en) * | 2017-03-10 | 2017-12-08 | 陕西铁鹰特种车有限公司 | For large-scale ground pile type stud, the quick pulling device of screw |
| CN206680896U (en) * | 2017-04-19 | 2017-11-28 | 湘南学院 | A kind of smart travel service unit |
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| Publication number | Publication date |
|---|---|
| CN108867657A (en) | 2018-11-23 |
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