CN214169057U - Pile driving device for construction engineering foundation construction - Google Patents
Pile driving device for construction engineering foundation construction Download PDFInfo
- Publication number
- CN214169057U CN214169057U CN202023313300.5U CN202023313300U CN214169057U CN 214169057 U CN214169057 U CN 214169057U CN 202023313300 U CN202023313300 U CN 202023313300U CN 214169057 U CN214169057 U CN 214169057U
- Authority
- CN
- China
- Prior art keywords
- plate
- fixedly connected
- pile
- foundation
- construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 9
- 238000009435 building construction Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model relates to a building engineering technical field just discloses a building engineering foundation construction is with pile device, comprising a base plate, the equal fixedly connected with universal wheel in both sides about the bottom plate lower surface, the left side fixedly connected with riser of bottom plate upper surface, the middle part fixedly connected with removal push rod of riser left surface, both sides all are provided with the slide rail around the riser right flank. This pile device is used in building engineering foundation construction, drive the vibration board through vibrating motor and shake, make the vibration board drive the pile hammer and hit the foundation pile and hit, the pile to the foundation pile has been realized, the pile speed to the foundation pile has been accelerated, the work efficiency has been improved, it slides along the slide rail to drive the sliding plate through the push rod motor, make the sliding plate drive the centre gripping stop gear who is located the top and go up and down, make two sets of centre gripping stop gear can always carry on spacingly to the foundation pile, do not need the manual work to assist the operation, user's use has been made things convenient for.
Description
Technical Field
The utility model relates to a building engineering technical field specifically is a building engineering foundation construction is with pile device.
Background
The building engineering refers to an engineering entity formed by the construction of various building constructions and auxiliary facilities thereof and the installation activities of lines, pipelines and equipment matched with the building constructions, wherein the building constructions refer to a top cover, a beam column, a wall, a foundation and an engineering which can form an internal space and meet the requirements of production, living, learning and public activities of people, a pile driving device is required in the construction of a foundation of the building engineering, but the pile driving device in the prior art needs manpower for assistance when in use, is relatively troublesome to operate and cannot timely adjust the pile driving degree of the pile driving device.
For example, chinese patent publication nos.: CN211816231U provides a piling device for foundation construction of constructional engineering, which is basically described as follows: the utility model discloses a through first motor, bull stick and haulage rope on the quick-witted case, make the output rotatory after the first motor circular telegram, make the bull stick release the haulage rope, and then make the slide descend, avoided still needing staff's operation to reduce the device height after a period because of piling, simplified the operating procedure, through carousel on the second motor and steel wire and the branch on the pillar, make the second motor circular telegram after, the output drives the carousel rotatory, and then drives the steel wire up-and-down motion, then make the branch drive the pile hammer up-and-down reciprocating motion, accomplish the action of piling, the human power operation is reduced, the work load of staff is reduced, make the burden of staff reduce; but this utility model structure is comparatively simple, only can pile to the pile body of same size, and application range is less.
Therefore, the inventor provides a piling device for foundation construction of building engineering, which is developed based on the experience of design development and actual manufacturing in the related industry for years, and is researched and improved aiming at the existing structure and deficiency, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a building engineering foundation construction is with pile device has solved the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a pile driving device for foundation construction of constructional engineering comprises a bottom plate, universal wheels are fixedly connected to the left side and the right side of the lower surface of the bottom plate, a vertical plate is fixedly connected to the left side of the upper surface of the bottom plate, a movable push rod is fixedly connected to the middle of the left side of the vertical plate, slide rails are arranged on the front side and the rear side of the right side of the vertical plate, an anti-collision plate is fixedly connected to the upper surface of each slide rail, a sliding plate is slidably connected to the right side of each slide rail, clamping and limiting mechanisms are arranged on the right sides of the upper surfaces of the bottom plate and the sliding plate, each clamping and limiting mechanism comprises a mounting ring, a movable rod is inserted into the top of the outer surface of the mounting ring, a limiting plate is fixedly connected to the outer end of each movable rod, a clamping plate is fixedly connected to the inner end of each movable rod, balls are arranged on the inner side of the clamping plate, and a first return spring is fixedly connected to the inner side of the clamping plate, the bottom of the outer side face of the clamping plate is fixedly connected with a connecting plate, portal frames are fixedly connected to the front side and the rear side of the upper surface of the sliding plate, first guide pillars are fixedly connected to the front side and the rear side of the inner wall of the top of the portal frame, second return springs are sleeved on the top and the bottom of the outer surface of the first guide pillars, a vibrating plate is sleeved on the middle of the outer surface of the first guide pillars, a vibrating motor is arranged at the middle of the upper surface of the vibrating plate, a pile hammer is arranged at the middle of the lower surface of the vibrating plate, a second guide pillar is fixedly connected to the right side of the upper surface of the base plate, a limiting disc is fixedly connected to the top end of the second guide pillar, a push rod motor is arranged at the top of the right side face of the vertical plate, and the output end of the push rod motor is fixedly connected with the upper surface of the sliding plate.
Preferably, the right sides of the upper surfaces of the bottom plate and the sliding plate are both provided with T-shaped sliding chutes, and the outer side of the lower surface of the connecting plate is fixedly connected with a T-shaped sliding block.
Preferably, the bottom of the left side surface of the vertical plate is fixedly connected with four groups of reinforcing blocks, and the four groups of reinforcing blocks are horizontally arranged at the bottom of the left side surface of the vertical plate.
Preferably, the outer surface of the movable push rod is provided with a wrapping layer, and the outer surface of the wrapping layer is provided with anti-skid grains.
Preferably, the slide rail is I-shaped, and mounting holes are formed in the top and the bottom of the left side face of the slide rail.
Preferably, the buffer layer is arranged inside the anti-collision plate, and the left side face of the anti-collision plate is fixedly connected with the right side face of the vertical plate.
(III) advantageous effects
Compared with the prior art, the utility model provides a building engineering foundation construction is with pile device possesses following beneficial effect:
1. this pile device is used in building engineering foundation construction, drive the vibration board through vibrating motor and shake, make the vibration board drive the pile hammer and hit the foundation pile and hit, the pile to the foundation pile has been realized, the pile speed to the foundation pile has been accelerated, the work efficiency has been improved, it slides along the slide rail to drive the sliding plate through the push rod motor, make the sliding plate drive the centre gripping stop gear who is located the top and go up and down, make two sets of centre gripping stop gear can always carry on spacingly to the foundation pile, do not need the manual work to assist the operation, user's use has been made things convenient for.
2. This building engineering foundation construction is with pile device, it is spacing to the centre gripping of unidimensional foundation pile to have realized through centre gripping stop gear, pile device's application range has been increased, pile device's practicality has been improved, sliding connection to centre gripping board and foundation pile device has been realized through the ball, make foundation pile can more smooth downstream, guaranteed pile device to the pile effect of foundation pile, realized spacing to centre gripping board through the carriage release lever, stability when having guaranteed the grip block and removed.
3. This building engineering foundation construction is with pile device uses through the cooperation of slide rail and second guide pillar, and it is spacing to the slip of sliding plate to have realized, has guaranteed the stability when the sliding plate slides, uses through the cooperation of first guide pillar and second return spring, has realized spacing and resilience to the vibration board, has guaranteed the stability when the vibration board reciprocates, has guaranteed the stability when pile hammer pile, has guaranteed the pile effect of pile device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the clamping and limiting mechanism of the present invention;
fig. 3 is a schematic view of a partial structure of the present invention.
In the figure: 1. a base plate; 2. a universal wheel; 3. a vertical plate; 4. moving the push rod; 5. a slide rail; 6. an anti-collision plate; 7. a sliding plate; 8. a clamping and limiting mechanism; 801. a mounting ring; 802. a travel bar; 803. a limiting plate; 804. a clamping plate; 805. a ball bearing; 806. a first return spring; 807. a connecting plate; 9. a gantry; 10. a first guide post; 11. a second return spring; 12. a vibrating plate; 13. a vibration motor; 14. a pile hammer; 15. a second guide post; 16. a push rod motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a pile driving device for building engineering foundation construction comprises a bottom plate 1, universal wheels 2 are fixedly connected to the left side and the right side of the lower surface of the bottom plate 1, a vertical plate 3 is fixedly connected to the left side of the upper surface of the bottom plate 1, a movable push rod 4 is fixedly connected to the middle of the left side of the vertical plate 3, slide rails 5 are arranged on the front side and the rear side of the right side of the vertical plate 3, an anti-collision plate 6 is fixedly connected to the upper surface of the slide rail 5, a sliding plate 7 is slidably connected to the right side of the slide rail 5, a clamping and limiting mechanism 8 is arranged on the right sides of the upper surfaces of the bottom plate 1 and the sliding plate 7, the clamping and limiting mechanism 8 comprises a mounting ring 801, a movable rod 802 is inserted into the top of the outer surface of the mounting ring 801, a limiting plate 803 is fixedly connected to the outer end of the movable rod 802, a clamping plate 804 is fixedly connected to the inner end of the movable rod 802, balls are arranged on the inner side of the clamping plate 804, a first return spring is fixedly connected to the inner side of the clamping plate 804, the bottom of the outer side surface of the clamping plate 804 is fixedly connected with a connecting plate 807, the clamping and limiting of foundation piles with different sizes are realized through a clamping and limiting mechanism 8, the application range of the pile driving device is enlarged, the practicability of the pile driving device is improved, the sliding connection of the clamping plate 804 and the foundation pile device is realized through balls 805, the foundation pile can move downwards more smoothly, the pile driving effect of the pile driving device on the foundation pile is ensured, the limiting of the clamping plate 804 is realized through a moving rod 802, the stability of the clamping plate 804 during moving is ensured, the front side and the rear side of the upper surface of the sliding plate 7 are fixedly connected with a portal frame 9, the front side and the rear side of the inner wall of the top of the portal frame 9 are fixedly connected with first guide pillars 10, the top and the bottom of the outer surface of the first guide pillars 10 are both sleeved with second return springs 11, the limiting and the rebound of the vibrating plate 12 are realized through the matching use of the first guide pillars 10 and the second return springs 11, the stability of the vibrating plate 12 during up-and-down movement is ensured, the stability of the pile hammer 14 during pile driving is ensured, the pile driving effect of the pile driving device is ensured, the vibrating plate 12 is sleeved in the middle of the outer surface of the first guide post 10, the vibrating motor 13 is arranged in the middle of the upper surface of the vibrating plate 12, the model of the vibrating motor 13 is YZS-1.5-2/0.12KW, the vibrating plate 12 is driven to vibrate through the vibrating motor 13, so that the vibrating plate 12 drives the pile hammer 14 to strike the foundation pile, the pile driving of the foundation pile is realized, the pile driving speed of the foundation pile is accelerated, the working efficiency is improved, the pile hammer 14 is arranged in the middle of the lower surface of the vibrating plate 12, the second guide post 15 is fixedly connected to the right side of the upper surface of the base plate 1, the sliding limit of the sliding plate 7 is realized through the matching use of the sliding rail 5 and the second guide post 15, and the stability of the sliding plate 7 during sliding is ensured, the top fixedly connected with of second guide pillar 15 is spacing dish, the top of riser 3 right flank is provided with push rod motor 16, push rod motor 16's model is LAP25, it slides along slide rail 5 to drive sliding plate 7 through push rod motor 16, make sliding plate 7 drive the centre gripping stop gear 8 that is located the top go up and down, make two sets of centre gripping stop gear 8 can be all the time spacing to the foundation pile, do not need the manual work to assist the operation, user's use has been made things convenient for, push rod motor 16's output and sliding plate 7's last fixed surface are connected.
The utility model discloses a guarantee the stability when grip block 804 expands and contracts, consequently all seted up T shape spout on the right side of bottom plate 1 and sliding plate 7 upper surface, the outside fixedly connected with T shape slider of connecting plate 807 lower surface, when grip block 804 expands and contracts, T shape slider slides in the inside of T shape spout, and T shape slider carries on spacingly to grip block 804, has guaranteed the stability when grip block 804 expands and contracts.
The utility model discloses a firm degree between reinforcing bottom plate 1 and riser 3, consequently at the bottom fixedly connected with anchor block of the 3 left surfaces of riser, the quantity of anchor block is four groups, and the equal level of four groups of anchor blocks sets up in the bottom of the 3 left surfaces of riser, and four groups of anchor blocks consolidate between bottom plate 1 and riser 3, have strengthened the firm degree between bottom plate 1 and the riser 3.
The utility model discloses for convenient to use person controls the removal of pile device, is provided with the parcel layer at the surface of removal push rod 4 consequently, and the surface of parcel layer is provided with anti-skidding line, and the parcel layer has increased the frictional force between user's palm and the removal push rod 4, has reduced the probability that the phenomenon of taking off the hand appears, has made things convenient for the user to control the removal of pile device.
The utility model discloses a guarantee the stability when sliding plate 7 slides, consequently the shape that sets up slide rail 5 is the I-shaped, and the mounting hole has all been seted up to the top and the bottom of the 5 left surfaces of slide rail, and when sliding plate 7 slided, sliding plate 7 slided along slide rail 5, and slide rail 5 slides sliding plate 7 spacing, has guaranteed the stability when sliding plate 7 slides.
The utility model discloses an extension pile device's life, consequently be provided with the buffer layer in the inside of anticollision board 6, the left surface of anticollision board 6 and the right flank fixed connection of riser 3, the buffer layer absorbs the produced impact force of sliding plate 7 slip, has reduced the impact force to the damage degree that the device caused of piling, has prolonged the life of pile device.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
When the pile driver is used, a user pushes the pile driver to move through the movable push rod 4, after the pile driver is moved to a corresponding position, a foundation pile to be driven is inserted into the two groups of clamping limiting mechanisms 8 by the user, after the pile driver is inserted, the vibration motor 13 is started, the vibration plate 12 is driven by the vibration force generated by the operation of the vibration motor 13 to move up and down, the vibration plate 12 drives the pile driving hammer 14 to strike the foundation pile, in the striking process, the push rod motor 16 is started, the output end of the push rod motor 16 is extended to push the sliding plate 7 to slide downwards along the sliding rail 5, the sliding plate 7 drives the clamping limiting mechanisms 8 located at the top to move downwards, so that the two groups of clamping limiting mechanisms 8 can always limit the foundation pile, and the pile driving of the foundation pile is realized.
To sum up, this pile driving device is used in building engineering foundation construction drives vibration board 12 through vibrating motor 13 and shakes for vibration board 12 drives pile hammer 14 and hits the foundation pile and hit, realized the pile to the foundation pile, accelerated the pile speed to the foundation pile, work efficiency has been improved, it slides along slide rail 5 to drive sliding plate 7 through push rod motor 16, it goes up and down to make sliding plate 7 drive the centre gripping stop gear 8 that is located the top, make two sets of centre gripping stop gear 8 can always carry on spacingly to the foundation pile, do not need the manual work to assist the operation, user's use has been made things convenient for.
This building engineering foundation construction is with pile device, it is spacing to the centre gripping of unidimensional foundation pile to have realized through centre gripping stop gear 8, pile device's application range has been increased, pile device's practicality has been improved, sliding connection to clamping plate 804 and foundation pile device has been realized through ball 805, make foundation pile can more smooth downstream, pile device to the pile effect of foundation pile has been guaranteed, it is spacing to clamping plate 804 has been realized through carriage release lever 802, stability when clamping plate 804 removed has been guaranteed.
This building engineering is pile device for foundation construction, cooperation through slide rail 5 and second guide pillar 15 is used, it is spacing to the slip of sliding plate 7 to have realized, stability when having guaranteed sliding plate 7 and sliding, cooperation through first guide pillar 10 and second return spring 11 is used, spacing and resilience to vibration board 12 have been realized, stability when vibration board 12 reciprocates has been guaranteed, stability when having guaranteed pile hammer 14 and piling has guaranteed the pile effect of pile device.
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 (6)
1. The utility model provides a construction engineering foundation construction is with pile device, includes bottom plate (1), its characterized in that: the universal wheels (2) are fixedly connected to the left side and the right side of the lower surface of the bottom plate (1), the vertical plate (3) is fixedly connected to the left side of the upper surface of the bottom plate (1), the movable push rod (4) is fixedly connected to the middle of the left side of the vertical plate (3), slide rails (5) are arranged on the front side and the rear side of the right side of the vertical plate (3), the anti-collision plate (6) is fixedly connected to the upper surface of the slide rail (5), the sliding plate (7) is slidably connected to the right side of the slide rail (5), clamping and limiting mechanisms (8) are arranged on the right sides of the upper surfaces of the bottom plate (1) and the sliding plate (7), each clamping and limiting mechanism (8) comprises a mounting ring (801), a movable rod (802) is inserted into the top of the outer surface of the mounting ring (801), a limiting plate (803) is fixedly connected to the outer end of the movable rod (802), and a clamping plate (804) is fixedly connected to the inner end of the movable rod (802), the inner side surface of the clamping plate (804) is provided with balls (805), the inner side surface of the clamping plate (804) is fixedly connected with a first return spring (806), the bottom of the outer side surface of the clamping plate (804) is fixedly connected with a connecting plate (807), the front side and the rear side of the upper surface of the sliding plate (7) are fixedly connected with a portal frame (9), the front side and the rear side of the inner wall of the top of the portal frame (9) are fixedly connected with first guide pillars (10), the top and the bottom of the outer surface of each first guide pillar (10) are respectively sleeved with a second return spring (11), the middle of the outer surface of each first guide pillar (10) is sleeved with a vibrating plate (12), the middle of the upper surface of each vibrating plate (12) is provided with a vibrating motor (13), the middle of the lower surface of each vibrating plate (12) is provided with a pile hammer (14), and the right side of the upper surface of the base plate (1) is fixedly connected with a second guide pillar (15), the top end of the second guide pillar (15) is fixedly connected with a limiting disc, the top of the right side face of the vertical plate (3) is provided with a push rod motor (16), and the output end of the push rod motor (16) is fixedly connected with the upper surface of the sliding plate (7).
2. The piling device for the construction of the foundation of the constructional engineering as set forth in claim 1, wherein: t-shaped sliding grooves are formed in the right sides of the upper surfaces of the bottom plate (1) and the sliding plate (7), and T-shaped sliding blocks are fixedly connected to the outer sides of the lower surfaces of the connecting plates (807).
3. The piling device for the construction of the foundation of the constructional engineering as set forth in claim 1, wherein: the bottom of the left side face of the vertical plate (3) is fixedly connected with four groups of reinforcing blocks, and the four groups of reinforcing blocks are horizontally arranged at the bottom of the left side face of the vertical plate (3).
4. The piling device for the construction of the foundation of the constructional engineering as set forth in claim 1, wherein: the outer surface of the movable push rod (4) is provided with a wrapping layer, and the outer surface of the wrapping layer is provided with anti-skid grains.
5. The piling device for the construction of the foundation of the constructional engineering as set forth in claim 1, wherein: the slide rail (5) is I-shaped, and mounting holes are formed in the top and the bottom of the left side face of the slide rail (5).
6. The piling device for the construction of the foundation of the constructional engineering as set forth in claim 1, wherein: a buffer layer is arranged inside the anti-collision plate (6), and the left side face of the anti-collision plate (6) is fixedly connected with the right side face of the vertical plate (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202023313300.5U CN214169057U (en) | 2020-12-31 | 2020-12-31 | Pile driving device for construction engineering foundation construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202023313300.5U CN214169057U (en) | 2020-12-31 | 2020-12-31 | Pile driving device for construction engineering foundation construction |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214169057U true CN214169057U (en) | 2021-09-10 |
Family
ID=77612185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202023313300.5U Expired - Fee Related CN214169057U (en) | 2020-12-31 | 2020-12-31 | Pile driving device for construction engineering foundation construction |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN214169057U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114541391A (en) * | 2022-01-19 | 2022-05-27 | 武汉安振岩土工程有限公司 | Construction pile machine with multifunctional adjusting mechanism |
CN114673151A (en) * | 2022-03-16 | 2022-06-28 | 占茜 | Building site stake fixing device |
-
2020
- 2020-12-31 CN CN202023313300.5U patent/CN214169057U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114541391A (en) * | 2022-01-19 | 2022-05-27 | 武汉安振岩土工程有限公司 | Construction pile machine with multifunctional adjusting mechanism |
CN114673151A (en) * | 2022-03-16 | 2022-06-28 | 占茜 | Building site stake fixing device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN214169057U (en) | Pile driving device for construction engineering foundation construction | |
CN206467657U (en) | A kind of reciprocation cycle formula piling machine | |
CN107265364A (en) | A kind of work high above the ground variation workbench | |
CN203063080U (en) | Light mechanical arm for injection molding machine | |
CN106112768A (en) | A kind of five gold bullion derusting devices | |
CN202062614U (en) | Mechanical arm | |
CN108239913A (en) | A kind of municipal administration breaks device into pieces with the quick percussive stone of road construction | |
CN111685570A (en) | Hand propelled carpet laying and leveling device | |
CN210856895U (en) | Road maintenance is with pile drilling equipment | |
CN209907388U (en) | Hydraulic hammer for constructional engineering | |
CN111761736A (en) | Novel building engineering stays hole ware | |
CN106498946A (en) | A kind of low spatial drop hammer type automatic hydraulic piling machine | |
CN206789382U (en) | Magnet coil magnetic driving mechanism and percussion mechanism | |
CN202212809U (en) | Workpiece positioning device | |
CN216444362U (en) | Energy-saving bucket elevator for producing cement | |
CN115402908A (en) | Elevator energy recovery device and recovery method | |
CN213867269U (en) | Hole device is mended to pitch surface course coring hole | |
CN212447214U (en) | Agricultural machinery engineering damping device | |
CN212094182U (en) | Equidistance automatic forging equipment | |
CN211025111U (en) | S-shaped carbon-free trolley of elbow crank sliding block mechanism | |
CN111877340A (en) | High-precision concrete pile driving equipment | |
CN219777263U (en) | Electric compaction device | |
CN102806597A (en) | Saw type bidirectional cutting machine for autoclaved aerated concrete blocks | |
CN206428696U (en) | A kind of low spatial drop hammer type automatic hydraulic piling machine | |
CN213867755U (en) | Tamping device for electric power engineering construction |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210910 |
|
CF01 | Termination of patent right due to non-payment of annual fee |