CN114293511A - Construction method for mechanically lining slope protection by precast concrete locking block - Google Patents
Construction method for mechanically lining slope protection by precast concrete locking block Download PDFInfo
- Publication number
- CN114293511A CN114293511A CN202210109491.8A CN202210109491A CN114293511A CN 114293511 A CN114293511 A CN 114293511A CN 202210109491 A CN202210109491 A CN 202210109491A CN 114293511 A CN114293511 A CN 114293511A
- Authority
- CN
- China
- Prior art keywords
- precast concrete
- frame
- concrete locking
- clamping jaw
- grabbing
- 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.)
- Pending
Links
- 239000011178 precast concrete Substances 0.000 title claims abstract description 183
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 238000013508 migration Methods 0.000 claims abstract description 4
- 230000005012 migration Effects 0.000 claims abstract description 4
- 238000012546 transfer Methods 0.000 claims abstract description 3
- 238000004804 winding Methods 0.000 claims description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 239000004567 concrete Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 10
- 239000004746 geotextile Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 description 8
- 230000005484 gravity Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
The invention discloses a precast concrete locking block mechanical lining protection slope and a construction method thereof, wherein the precast concrete locking block mechanical lining equipment comprises a frame, a conveying belt and a walking frame, wherein the conveying belt and the walking frame are arranged on the frame; the frame is also provided with a driving device for driving the walking frame, and the bottom of the frame is provided with a crawler-type walking device; snatch transfer device including slide connect in the seat of sliding of walking frame, rotate connect in the mount pad of the seat of sliding and connect in the clamping jaw of mount pad liftable ground, the end of snatching of clamping jaw colludes with the portion of holding that colludes of prefabricated locking piece and holds the cooperation mutually, is equipped with on the walking frame to be used for driving the gliding horizontal migration subassembly of the seat of sliding, is equipped with the lifting unit who is used for driving the clamping jaw to go up and down on the mount pad. The invention lays the precast concrete locking block by a mechanical operation mode, improves the automation degree of laying, effectively improves the construction efficiency, lightens the labor intensity of operators and reduces the operation fatigue.
Description
Technical Field
The invention relates to the field of dike renovation and slope protection, in particular to a precast concrete locking block mechanical lining slope protection and a construction method thereof.
Background
In the daily in-process of using of hydraulic engineering, receive the influence of wave erosion and rainwater erosion effect, traditional ecological bank protection mode can not play a role effectively. Based on this, the reasonable application of concrete block bank protection technique has certain realistic meaning. At present, building block revetments are widely applied on the treatment of navigation channels and dikes.
However, the existing block slope protection construction mostly adopts artificial paving of precast concrete blocks, and the degree of automation is low, so that the paving efficiency is low. In addition, the precast concrete blocks are heavy, so that a plurality of persons are required to move and lift the precast concrete blocks in a combined manner, and the fatigue of operators is easily caused in the construction process.
Disclosure of Invention
The invention provides a precast concrete locking block mechanical lining revetment and a construction method thereof, aiming at the phenomena that the automation degree is low, the efficiency is low and operators are easy to fatigue when manually paving precast concrete blocks at present.
An object of this application lies in providing a precast concrete locking piece mechanical lining equipment, adopts following technical scheme:
a precast concrete locking piece mechanical lining device comprises a rack arranged on a slope surface, wherein a conveying belt used for conveying precast concrete locking pieces is arranged on the rack, a walking frame crossing the rack is arranged on the rack, the walking frame can slide back and forth along the conveying direction of the conveying belt relative to the rack, a grabbing and transferring device used for grabbing and transferring the precast concrete locking pieces is arranged on the walking frame, and the grabbing and transferring device is positioned above the conveying belt;
the frame is provided with a driving device for driving the walking frame to slide back and forth along the conveying direction of the conveying belt, and the bottom of the frame is provided with a crawler-type walking device for driving the frame to transversely move along the conveying direction vertical to the conveying belt;
snatch transfer device including slide connect in the seat of sliding of walking frame, rotate connect in the mount pad of the seat of sliding and liftable connect in the clamping jaw of mount pad, the end of snatching of clamping jaw with the portion of colluding of precast concrete locking piece colludes mutually and holds the cooperation, be provided with on the walking frame and be used for the drive the seat of sliding is followed the gliding horizontal migration subassembly of moving direction of frame, be provided with on the mount pad and be used for the drive the lifting unit that the clamping jaw goes up and down.
By adopting the technical scheme, when the precast concrete locking block is laid, the initial position of the walking frame is firstly adjusted to enable the initial position of the walking frame to be positioned at the bottom of the slope surface, so that the precast concrete locking block is laid from the bottom of the slope surface to the top; the precast concrete locking blocks are sequentially and orderly placed at the feeding end of the conveying belt through a crane, and the precast concrete locking blocks are placed at the middle position of the feeding end of the conveying belt and are conveyed forwards through the conveying belt. When the precast concrete locking piece is transported under the clamping jaw, the clamping jaw is driven to descend through the lifting assembly, so that the grabbing end of the clamping jaw hooks the hooking part of the precast concrete locking piece, the precast concrete locking piece is grabbed through the lifting assembly and ascends, then the sliding seat is driven to horizontally move through the horizontal moving assembly, so that the clamping jaw clamps the precast concrete locking piece to move to the position above which the precast concrete locking piece needs to be placed, and then the clamping jaw is driven to descend to loosen the precast concrete locking piece. Then, the driving device drives the walking frame to walk to the feeding end of the conveying belt by the length distance of the precast concrete locking block, and the conveying belt synchronously cooperates to convey the precast concrete locking block to the position right below the clamping jaw, so that the next precast concrete locking block is grabbed and laid, and the rest is done by analogy. After a row of precast concrete locking blocks are paved along the length direction of the conveying belt, the crawler-type traveling device drives the whole frame to transversely and horizontally move, so that the next row of precast concrete locking blocks is paved. Compared with the prior art, the precast concrete locking block is paved by a mechanical operation mode, the automation degree of paving is improved, the machine can continuously pave, the construction efficiency is effectively improved, the labor intensity of operators is reduced, and the operation fatigue is reduced.
Preferably, the clamping jaw includes two mutual articulated grabbing poles, two grab pole cross arrangement, two the one end of grabbing the pole all is provided with the portion of snatching, two the portion of snatching of grabbing the pole cooperation forms the end of snatching that is used for colluding the portion of holding of precast concrete locking piece, two it still be provided with between the grabbing pole connect in the receipts of lifting unit's one end draw the cable wire, the both ends of receiving and drawing the cable wire connect respectively in two the one end of grabbing the pole and keeping away from the portion of snatching.
Through adopting above-mentioned technical scheme, when pressing from both sides and getting precast concrete locking piece, descend through the drive clamping jaw, so that the portion of holding of colluding of precast concrete locking piece is got to the end clamp that snatchs of clamping jaw, because lifting unit's one end is connected in receiving and drawing the cable wire, make when the drive clamping jaw goes up, receive and draw the cable wire pulling two one ends that snatch the pole and keep away from the end of snatching and move to the direction that is close to each other, and the clamping jaw snatchs the in-process of precast concrete locking piece lifting, utilize the action of gravity of precast concrete locking piece, thereby make the portion of holding that colludes of the end inseparable clamp precast concrete locking piece of clamping jaw, thereby make and make precast concrete locking piece collude to hold more stably.
Preferably, the lifting assembly comprises a winding and unwinding wheel, a winding steel cable and a lifting rod, wherein the winding and unwinding wheel is rotatably arranged on one side of the conveying belt, the mounting seat faces the winding and unwinding wheel, the winding steel cable is wound on the winding and unwinding wheel, the lifting rod is connected to one end of the winding steel cable, one end, far away from the winding steel cable, of the lifting rod is provided with a hooking end used for hooking the winding and unwinding steel cable, a first driving motor used for driving the winding and unwinding wheel to wind and unwind is arranged on the mounting seat, an output shaft of the first driving motor is connected with a reduction gearbox, and an output shaft of the reduction gearbox is connected to the winding and unwinding wheel.
Through adopting above-mentioned technical scheme, when clamping jaw centre gripping precast concrete locking piece, receive and release through a driving motor drive wheel and receive and release to drive the lifter and go up and down, realize clamping jaw centre gripping precast concrete locking piece from this and go up and down.
Preferably, the side wall of the mounting seat is further provided with a guide sleeve, the guide sleeve is sleeved outside the lifting rod, and the hooking end of the lifting rod protrudes out of the bottom end of the guide sleeve.
Through adopting above-mentioned technical scheme, the guide pin bushing plays spacing effect to the lifter to make the lift of lifter more stable.
Preferably, the horizontal movement assembly comprises a linear motor arranged on the walking frame, a stator of the linear motor is arranged along the width direction of the conveying belt, and the sliding seat is fixedly connected to a rotor of the linear motor.
Through adopting above-mentioned technical scheme, by linear electric motor drive seat horizontal slip that slides to make the horizontal migration of clamping jaw centre gripping precast concrete locking piece more stable.
Preferably, a groove is formed in one side, away from the rotor of the linear motor, of the sliding seat, a rotating shaft is rotatably arranged in the groove, the rotating shaft is arranged along the conveying direction of the conveying belt, two ends of the rotating shaft penetrate through two sides of the sliding seat, and a connecting block connected to the rotating shaft is arranged on the mounting seat; the lateral wall of the sliding seat is further provided with a speed reducing motor used for driving the rotating shaft to rotate, an output shaft of the speed reducing motor and the rotating shaft are provided with a pair of worm wheel and worm which are meshed with each other, the worm wheel is fixedly sleeved at one end of the rotating shaft, the worm rotates and is borne on the lateral wall of the sliding seat, and the output shaft of the speed reducing motor is connected with one end of the worm.
By adopting the technical scheme, the mounting seat is driven to rotate relative to the sliding seat by the speed reducing motor, so that the angle of the mounting seat is adjusted, the angle of the clamping jaw is adjustable, and the placing angle of the precast concrete locking block is convenient to adjust; in addition, the self-locking characteristic of the worm wheel and the worm is utilized, so that the relative sliding seat is not easy to rotate after the angle of the mounting seat is fixed, and the stability is improved.
Preferably, guide rails are arranged on two sides of the rack, the guide rails are arranged along the conveying direction of the conveying belt, and a traveling wheel connected to the guide rails in a sliding manner is arranged at the bottom of the traveling frame; the driving device comprises a winch arranged at one end of the rack, a traction steel cable is wound at the winding end of the winch, one end of the traction steel cable is arranged along the length direction of the guide rail, and one end, far away from the winch, of the traction steel cable is connected to the walking frame.
By adopting the technical scheme, when the traction steel cable is wound by the winch, the travelling frame is dragged to move to the top of the slope surface along the rack by the traction steel cable, so that the position of the travelling frame is adjusted; when the winch unwinds the traction steel cable, the slope has an inclination, so that the frame has an inclination, the walking frame slides to the bottom of the slope along the extension direction of the frame under the action of the component force of gravity, and the sliding distance corresponds to the unwinding length of the traction steel cable, so that the descending position of the walking frame is controlled.
Preferably, the conveyer belt is provided with backing plates at intervals for bearing the precast concrete locking blocks, and the backing plates are arranged along the width direction of the conveyer belt.
Through adopting above-mentioned technical scheme, add the backing plate on the conveyer belt, avoid precast concrete locking piece direct contact conveyer belt, reduce the injury to the conveyer belt.
The utility model provides a mechanical lining slope protection structure that second aim at provided adopts following technical scheme:
the utility model provides a mechanical lining slope protection structure, adopts above-mentioned arbitrary mechanical lining equipment to pave precast concrete locking piece, slope protection structure is including setting up in domatic town foot, separating the stalk, laying in domatic metalling and pave in precast concrete locking piece on the metalling, precast concrete locking piece arranges the distribution in proper order along domatic, and adjacent two rows precast concrete locking piece mutual lock joint.
Through adopting above-mentioned technical scheme, two rows of adjacent precast concrete locking piece mutual lock joints for the precast concrete locking piece after laying is more stable.
The third purpose of the application is to provide a precast concrete locking piece mechanical lining revetment construction method, adopt following technical scheme:
a construction method of a precast concrete locking block mechanical lining revetment adopts any one of the mechanical lining devices to pave precast concrete locking blocks, and the method comprises the following steps,
s1, construction preparation, namely establishing a measurement control net and placing a slope repairing sample frame;
s2, leveling slope, filling and compacting;
s3, pouring the ballast and the separation bar;
s4, paving the geotextile and the gravel cushion;
s5, paving the precast concrete locking block through the precast concrete locking block mechanical lining equipment; wherein the paving of the precast concrete locking block comprises,
s51, adjusting the initial position of the walking frame;
s52, placing the precast concrete locking blocks at the feeding end of the conveying belt in order through a crane, placing the precast concrete locking blocks at the middle position of the feeding end of the conveying belt, and conveying the precast concrete locking blocks forwards through the conveying belt;
s53, when the precast concrete lock block is conveyed to the position right below the clamping jaw, the first driving motor drives the retraction wheel to unwind, so that the clamping jaw descends, the grabbing end of the clamping jaw hooks the hooking part of the precast concrete lock block, the first driving motor drives the retraction wheel to wind, so that the clamping jaw grabs the precast concrete lock block to ascend, then the linear motor drives the sliding seat to horizontally move, so that the precast concrete lock block moves to the position above the position needing to be placed, and then the clamping jaw is driven to descend, so that the precast concrete lock block is loosened;
s54, rolling a traction steel cable through the winch to draw the travelling frame to travel a length distance of the precast concrete locking block to the feeding end of the conveying belt, and conveying the precast concrete locking block to the position right below the clamping jaw by the conveying belt in synchronous matching manner so as to grab and lay the next precast concrete locking block, and so on;
s55, after a row of precast concrete locking blocks are paved along the length direction of the conveying belt, the crawler-type traveling device drives the whole frame to transversely and horizontally move, and therefore the next row of precast concrete locking blocks is paved;
and S6, pouring concrete in the laid precast concrete locking block.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the method, the precast concrete locking blocks are laid in a mechanical operation mode, the automation degree of laying is improved, and the machine can continuously lay, so that the construction efficiency is effectively improved, the labor intensity of operators is reduced, and the operation fatigue is reduced;
2. in the process that the clamping jaw grabs the precast concrete locking piece and lifts, the gravity action of the precast concrete locking piece is utilized, so that the grabbing end of the clamping jaw tightly clamps the hooking part of the precast concrete locking piece, and the precast concrete locking piece is hooked more stably.
Drawings
FIG. 1 is a schematic overall structure diagram of the first embodiment;
FIG. 2 is a schematic structural diagram of a mechanical lining device for a precast concrete locking block in the first embodiment;
FIG. 3 is a partial schematic view of a mechanical lining device for the precast concrete locking blocks in the first embodiment;
fig. 4 is a schematic structural diagram of a walking frame and a grabbing and transferring device in the first embodiment;
FIG. 5 is an enlarged view of portion A of FIG. 4;
FIG. 6 is a schematic view illustrating a state that the clamping jaws grab the precast concrete locking block in the first embodiment;
fig. 7 is a schematic view of a slope protection structure in the second embodiment;
fig. 8 is a schematic view for embodying the precast concrete locking piece.
Description of reference numerals: 1. a slope surface; 2. a frame; 201. a feeding end; 202. a guide rail; 3. a conveyor belt; 4. prefabricating a concrete locking block; 41. grooving; 42. a hooking part; 43. a first buckling part; 44. a second fastening part; 45. buckling the groove; 46. pouring a groove; 5. a base plate; 6. a crawler-type traveling device; 61. a mounting frame; 62. a crawler belt; 63. a second drive motor; 7. a walking frame; 71. a traveling wheel; 81. a fixed mount; 82. a winch; 83. a traction wire rope; 9. a guide wheel; 10. a sliding seat; 101. a groove; 11. a mounting seat; 111. connecting blocks; 112. a cavity; 12. a clamping jaw; 121. a grabbing rod; 122. a grasping section; 123. drawing and retracting the steel cable; 131. a stator of the linear motor; 132. a mover of the linear motor; 14. a rotating shaft; 15. a reduction motor; 161. a worm gear; 162. a worm; 17. a protective cover; 18. a guide sleeve; 19. a retracting wheel; 20. winding a steel cable; 21. a power cartridge; 22. a first drive motor; 23. a reduction gearbox; 24. a lifting rod; 241. a hooking end; 25. separating stalks; 26. and (4) a crushed stone layer.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The first embodiment is as follows:
a mechanical lining device for precast concrete locking blocks, referring to figure 1, is erected on a sloping surface 1 to be paved, wherein the angle between the sloping surface 1 and the horizontal plane is approximately 40 degrees.
Specifically, referring to fig. 1 and 2, the mechanical lining apparatus includes a frame 2 disposed on a slope 1 and a conveyor belt 3 rotatably disposed on the frame 2. Wherein, frame 2 sets up along domatic 1, and frame 2 extends to the top from the bottom on domatic 1. In this embodiment, the feeding end 201 of the frame 2 is located at the top of the slope 1. The conveyer belt 3 is arranged along the length direction of the frame 2 and is used for conveying the precast concrete locking block 4. The interval is provided with backing plate 5 that is used for bearing precast concrete locking piece 4 on the conveyer belt 3, and backing plate 5 extends along the width direction of conveyer belt 3, through add backing plate 5 on conveyer belt 3 to reduce the damage of precast concrete locking piece 4 to conveyer belt 3.
Referring to fig. 2 and 3, the bottom of the frame 2 is provided with a plurality of sets of crawler-type traveling devices 6 for driving the frame 2 to move transversely along a direction perpendicular to the conveying direction of the conveyor belt 3, and the plurality of sets of crawler-type traveling devices 6 are distributed at equal intervals along the extending direction of the frame 2. Specifically, crawler-type running gear 6 includes through bolt fixed mounting in the mounting bracket 61 of the bottom of frame 2, rotate the action wheel (not shown in the figure) of installing on mounting bracket 61, follow driving wheel (not shown in the figure) and set up in action wheel and follow track 62 between the driving wheel, mounting bracket 61 spans frame 2, action wheel and follow driving wheel are located the both ends of mounting bracket 61 respectively, and the inboard and the action wheel of track 62, follow the equal meshing of driving wheel and be connected. A second driving motor 63 for driving the driving wheel to rotate is further mounted on one side of the mounting frame 61. In this embodiment, the second driving motors 63 of the multiple sets of crawler-type traveling devices 6 are synchronous motors, so that when the multiple second driving motors 63 synchronously drive the crawler belts 62 to rotate, the frames 2 can be driven to move transversely along the slope 1, and the position of the whole frame 2 can be adjusted.
Referring to fig. 2 and 3, the frame 2 is provided with a traveling frame 7 that spans the frame 2, and the traveling frame 7 can slide back and forth relative to the frame 2 in the conveying direction of the conveyor belt 3. Specifically, the walking frame 7 is integrally arranged in a square shape, and four walking wheels 71 are rotatably mounted at the bottom of the walking frame 7 and are respectively distributed at four corners of the walking frame 7. Guide rails 202 for the traveling wheels 71 to travel are arranged on two sides of the frame 2, and the guide rails 202 are arranged along the extending direction of the frame 2. The feeding end 201 of the frame 2 is further provided with a driving device for driving the walking frame 7 to walk back and forth along the extending direction of the frame 2. In this embodiment, the driving devices are provided with two groups, the two groups of driving devices are respectively located at two sides of the frame 2, and the two groups of driving devices are matched to drive the walking frame 7 to move.
Specifically, referring to fig. 2 and 3, the driving device includes a fixing frame 81 welded to the feeding end 201 of the frame 2, a winding machine 82 fixed to the fixing frame 81, and a traction cable 83 wound around the winding end of the winding machine 82, one end of the traction cable 83 is disposed along the length direction of the guide rail 202, and one end of the traction cable 83 far from the winding machine 82 is connected to the traveling frame 7.
In order to make the traction cable 83 more stable in traction, a plurality of guide wheels 9 for guiding the traction cable 83 to extend along the length direction of the frame 2 are further provided at intervals on the frame 2, and the plurality of guide wheels 9 are uniformly distributed along the length direction of the frame 2.
When the winch 82 winds the traction steel cable 83, the travelling frame 7 is dragged to move towards the top of the slope surface 1 along the rack 2 through the traction steel cable 83, so that the position of the travelling frame 7 is adjusted; when the winding machine 82 unwinds the traction cable 83, the slope 1 has a slope, so that the frame 2 has a slope, and the traveling frame 7 slides to the bottom of the slope 1 along the extending direction of the frame 2 under the component force of gravity, and the sliding distance corresponds to the unwinding length of the traction cable 83, so as to control the descending position of the traveling frame 2.
Referring to fig. 3 and 4, a grabbing and transferring device for grabbing the precast concrete locking block 4 on the conveying belt 3 and transferring the precast concrete locking block to a laying position is arranged on the walking frame 7, and the grabbing and transferring device is positioned above the conveying belt 3.
Specifically, the grabbing and transferring device comprises a sliding seat 10 arranged on the walking frame 7, a mounting seat 11 rotatably connected to the sliding seat 10, and a clamping jaw 12 connected to the mounting seat 11 in a lifting manner. The sliding seat 10 is connected to the walking frame 7 in a sliding manner along the width direction of the frame 2, and a horizontal moving assembly for driving the sliding seat 10 to slide is arranged on the walking frame 7.
Referring to fig. 3 and 4, the horizontal movement assembly includes a linear motor disposed on the traveling frame 7, a stator 131 of the linear motor is disposed along a width direction of the frame 2, and the sliding seat 10 is fixedly coupled to a mover 132 of the linear motor. One side of the sliding seat 10, which is away from the mover 132 of the linear motor, is provided with a groove 101, and one side of the groove 101, which faces the rack 2, is provided with an opening. The groove 101 is rotatably provided with a rotating shaft 14, the rotating shaft 14 is arranged along the length direction of the rack 2, and two ends of the rotating shaft 14 penetrate through two sides of the sliding seat 10. The side wall of the sliding seat 10 is further provided with a speed reducing motor 15 for driving the rotating shaft 14 to rotate, a pair of worm wheel 161 and worm 162 which are meshed with each other is arranged between an output shaft of the speed reducing motor 15 and the rotating shaft 14, the worm wheel 161 is fixedly sleeved at one end of the rotating shaft 14, the worm 162 is rotatably supported on the side wall of the sliding seat 10, and the output shaft of the speed reducing motor 15 is connected to one end of the worm 162. In addition, a protective cover 17 for covering the reduction motor 15, the worm wheel 161 and the worm 162 is further provided on the side wall of the sliding seat 10.
Referring to fig. 4, the side wall of the mounting seat 11 is integrally formed with a connecting block 111, and the connecting block 111 is fixedly connected to the rotating shaft 14, so that when the reducing motor 15 drives the rotating shaft 14 to rotate, the mounting seat 11 can be driven to overturn along with the rotating shaft 14, and the self-locking characteristic of the worm wheel 161 and the worm 162 is utilized, so that after the driving motor stops driving the rotating shaft 14 to rotate, the overturning angle of the mounting seat 11 can be fixed.
Referring to fig. 4 and 5, a hollow guide sleeve 18 is fixedly disposed on a side of the mounting seat 11 away from the rotating shaft 14, a cavity 112 is disposed inside the mounting seat 11, and the cavity 112 is communicated with the guide sleeve 18. A winding and unwinding wheel 19 is rotatably mounted in the cavity 112, a winding steel cable 20 is wound on the winding and unwinding wheel 19, and one end of the winding steel cable 20 extends to the guide sleeve 18. The side wall of the mounting seat 11 is fixedly provided with a power box 21, and the power box 21 is communicated with the cavity 112. A first driving motor 22 is fixedly arranged in the power box 21, an output shaft of the first driving motor 22 is connected with a reduction box 23, and an output shaft of the reduction box 23 penetrates into the cavity 112 and is connected with a wheel shaft of the retraction wheel 19. When the first driving motor 22 works, the winding and unwinding wheel 19 is driven to rotate, so that the winding and unwinding of the winding and unwinding wheel 19 are realized. The rotational speed of the first drive motor 22 is reduced by the reduction gearbox 23, so that the power output of the first drive motor 22 is more stable.
Referring to fig. 6, one end of the winding steel cable 20 extending to the guide sleeve 18 is connected to a lifting rod 24, the lifting rod 24 is inserted into the guide sleeve 18, the bottom end of the lifting rod 24 penetrates through the guide sleeve 18, and a hooking end 241 for hooking and matching with the clamping jaw 12 is disposed at one end of the lifting rod 24 penetrating through the guide sleeve 18. When the clamping jaw 12 clamps the precast concrete locking block 4, the first driving motor 22 drives the retraction wheel 19 to wind, so as to drive the lifting rod 24 to ascend, so as to drive the clamping jaw 12 to clamp the precast concrete locking block 4 to ascend, then the sliding seat 10 is driven by the linear motor to move to the position above the position where the precast concrete locking block 4 needs to be placed along the width direction of the rack 2, then the first driving motor 22 drives the retraction wheel 19 to unwind, so as to drive the lifting rod 24 to descend, so that the precast concrete locking block 4 is placed at the required position.
In particular, with reference to fig. 4 and 6, the jaws 12 are arranged in a scissor-like manner. The clamping jaw 12 comprises two mutually hinged grabbing rods 121, the two grabbing rods 121 are arranged in a crossed manner, grabbing parts 122 are arranged at one ends of the two grabbing rods 121, and the grabbing parts 122 of the two grabbing rods 121 are matched to form grabbing ends of the hooking parts 42 for hooking the precast concrete locking block 4.
Referring to fig. 4, 5 and 6, a retracting cable 123 is further disposed between the two grabbing bars 121, and two ends of the retracting cable 123 are respectively connected to ends of the two grabbing bars 121 far from the grabbing portion 122. When the precast concrete locking block 4 is hoisted, firstly, the grabbing end of the clamping jaw 12 is hooked on the hooking part 42 of the precast concrete locking block 4, then the hooking end 241 of the lifting rod 24 is hooked on the retracting steel cable 123, when the lifting rod 24 rises, the retracting steel cable 123 is pulled to rise, so that the retracting steel cable 123 pulls the ends, far away from the grabbing end, of the two grabbing rods 121 to move towards the direction close to each other, and in the process that the clamping jaw 12 grabs the precast concrete locking block 4 to be lifted, the grabbing end of the clamping jaw 12 tightly clamps the hooking part 42 of the precast concrete locking block 4 by utilizing the gravity action of the precast concrete locking block 4, so that the precast concrete locking block 4 is hooked more stably.
The implementation principle of the application is as follows: when the precast concrete locking block 4 is paved, firstly, the initial position of the walking frame 7 is adjusted to enable the initial position of the walking frame 7 to be positioned at the bottom of the slope surface 1, so that the precast concrete locking block 4 is paved from the bottom to the top of the slope surface 1; the precast concrete locking blocks 4 are placed at the feeding end 201 of the conveying belt 3 in order through a crane, the precast concrete locking blocks 4 are placed at the middle position of the feeding end 201 of the conveying belt 3, and the precast concrete locking blocks 4 are conveyed forwards through the conveying belt 3. When the precast concrete locking block 4 is transported to the position under the clamping jaw 12, the first driving motor 22 drives the retraction wheel 19 to unwind, so that the clamping jaw 12 descends, the grabbing end of the clamping jaw 12 hooks the hooking part 42 of the precast concrete locking block 4, the first driving motor 22 drives the retraction wheel 19 to wind, so that the clamping jaw 12 grabs the precast concrete locking block 4 to ascend, the linear motor drives the sliding seat 10 to horizontally move, the precast concrete locking block 4 is moved to the position above the position needing to be placed, and then the clamping jaw 12 is driven to descend, so that the precast concrete locking block 4 is loosened. Then, the traveling frame 7 is driven by the driving device to travel the length distance of one precast concrete locking block 4 to the feeding end 201 of the conveying belt 3, the conveying belt 3 synchronously cooperates to convey the precast concrete locking block 4 to the position right below the clamping jaw 12, and therefore the next precast concrete locking block 4 is grabbed and laid, and the like. After a row of precast concrete locking blocks 4 are paved along the length direction of the conveyer belt 3, the crawler-type traveling device 6 drives the whole frame 2 to transversely and horizontally move, so that the next row of precast concrete locking blocks 4 is paved.
Example two:
the utility model provides a mechanical lining slope protection structure, refers to fig. 7, adopts the mechanical lining equipment of above-mentioned embodiment one to pave precast concrete locking piece 4. Wherein, slope protection structure is including setting up in domatic 1 town foot (not shown in the figure), separating the stalk 25, laying in domatic 1 rubble layer 26 and laying the precast concrete locking piece 4 on rubble layer 26, and precast concrete locking piece 4 arranges the distribution along domatic 1 in proper order, and two rows of adjacent precast concrete locking piece 4 lock joint each other.
Specifically, a plurality of foot-stabilizing grooves are uniformly formed in the slope surface 1, and the foot-stabilizing grooves are arranged in the foot-stabilizing grooves. In this embodiment, the ballast is poured into the ballast groove through concrete, and after the concrete is solidified, the ballast is obtained, and one end of the ballast protrudes slightly out of the slope surface 1.
The barrier ribs 25 are arranged along the inclined plane of the slope surface 1, the barrier ribs 25 extend from the top to the bottom of the slope surface 1, and the barrier ribs 25 are arranged on the slope surface 1 at intervals.
After the ballast foot and the separating stem 25 are poured and molded, a gravel layer 26 is laid on the slope surface 1, and the top of the ballast foot protrudes out of the gravel layer 26. After the laying is finished, the precast concrete locking blocks 4 are laid by using the mechanical lining equipment of the first embodiment, when the laying is finished, a row of precast concrete locking blocks 4 are sequentially laid from the bottom of the slope surface 1 to the top of the slope surface 1, and the row of precast concrete locking blocks 4 is named as a first row of precast concrete locking blocks 4. And then controlling the mechanical lining equipment to move transversely along the slope surface 1, so as to lay the next row of precast concrete locking blocks 4, wherein the row of precast concrete locking blocks 4 is named as a second row of precast concrete locking blocks 4. The precast concrete locking blocks 4 in two adjacent columns are arranged in a staggered mode, and the locking blocks in the precast concrete locking blocks 4 in the first column are buckled with the locking blocks in the precast concrete locking blocks 4 in the second column.
Referring to fig. 7 and 8, in the present embodiment, the precast concrete locking piece 4 is substantially a square block, and two opposite side walls of the precast concrete locking piece 4 are provided with a set of buckling parts. In this embodiment, each set of fastening portions includes a first fastening portion 43 and a second fastening portion 44, a fastening groove 45 is formed between the first fastening portion 43 and the second fastening portion 44, and the first fastening portion 43 and the second fastening portion of two adjacent precast concrete locking blocks 4 are fastened in the fastening groove 45 in a matching manner.
In addition, two slots 41 are opened on the surface of the precast concrete locking block 4, the two slots 41 are respectively used for the grabbing portions 122 of the two grabbing rods 121 of the clamping jaw 12 to extend into, and the cross sections of the two slots 41 are arranged in a T shape, so that the opening of the slot 41 forms a hooking portion 42 with a closing edge, so that the grabbing portions 122 of the clamping jaw 12 cooperate to hook and grab.
The other two opposite side walls of the precast concrete lock block 4 are provided with pouring grooves 46 for pouring concrete, so that the precast concrete lock block 4 is connected with one end of the ballast protruding out of the gravel layer 26 in a pouring manner, and the precast concrete lock block 4 is connected with the slope surface 1 in a pouring manner.
Example three:
a construction method for a mechanical lining protection slope of a precast concrete locking block 4 adopts the mechanical lining equipment of the first embodiment to pave the precast concrete locking block 4. Specifically, the method comprises the following steps of,
s1, construction preparation, namely establishing a measurement control net and placing a slope repairing sample frame;
before engineering operation, a control net for engineering construction is arranged on the slope surface 1 by taking a measurement datum point (line) of a design drawing as a basis control net, and a slope repairing sample frame is placed according to construction requirements and design drawing requirements.
S2, leveling, filling and compacting the slope surface 1;
specifically, unqualified soil, impurities and the like of the dike foundation are removed in the construction range, and pits, grooves and ditches in the range of the dike foundation are filled and rolled to ensure that the relative density meets the specified requirements. Slope construction is mainly based on slope shoveling, and backfilling is avoided as much as possible; during construction, the hard objects with sharp edges, which may damage the geotextile, on the slope surface 1 are removed. In addition, the soft part of the slope surface 1 is manually dug, qualified soil is replaced and backfilled to the design elevation, and the part with unqualified earthwork compactness of the slope surface 1 is manually tamped again to the design requirement.
S3, pouring the ballast and the separating stem 25;
and (3) excavating a foot-fixing groove according to a construction drawing, installing a template, pouring concrete, spraying water for curing after the concrete is solidified, wherein the curing is started within 6-18 hours after the concrete is poured, and the curing time is at least 28 days. And after the maintenance is finished, removing the template.
S4, paving geotextile and a gravel cushion layer, and gradually paving the gravel layer 26 from the bottom to the top of the slope 1 to the required thickness;
s5, paving the precast concrete locking block 4 through the precast concrete locking block 4 mechanical lining equipment; wherein the paving precast concrete locking block 4 comprises,
s51, adjusting the initial position of the walking frame 7;
s52, the precast concrete locking blocks 4 are placed at the feeding end 201 of the conveyer belt 3 in order through a crane, the precast concrete locking blocks 4 are placed in the middle of the feeding end 201 of the conveyer belt 3, and the precast concrete locking blocks 4 are conveyed forwards through the conveyer belt 3;
s53, when the precast concrete lock block 4 is conveyed to the position right below the clamping jaw 12, the first driving motor 22 drives the retraction wheel 19 to unwind, so that the clamping jaw 12 descends, the grabbing end of the clamping jaw 12 hooks the hooking part 42 of the precast concrete lock block 4, the first driving motor 22 drives the retraction wheel 19 to wind, so that the clamping jaw 12 grabs the precast concrete lock block 4 to ascend, then the linear motor drives the sliding seat 10 to horizontally move, so that the precast concrete lock block 4 moves to the position above the position where the precast concrete lock block needs to be placed, and then the clamping jaw 12 is driven to descend, so that the precast concrete lock block 4 is loosened;
s54, rolling the traction steel cable 83 through the winch 82 to draw the walking frame 7 to walk to the feeding end 201 of the conveyer belt 3 by the length distance of one precast concrete locking block 4, and synchronously conveying the precast concrete locking blocks 4 to the position right below the clamping jaws 12 through the conveyer belt 3 in a matched mode, so that the next precast concrete locking block 4 is grabbed and laid, and the like;
s55, after a row of precast concrete locking blocks 4 are paved along the length direction of the conveyer belt 3, the crawler-type traveling device 6 drives the whole frame 2 to transversely and horizontally move, and then the next row of precast concrete locking blocks 4 is paved.
And S6, pouring concrete on the laid precast concrete locking block 4, wherein the concrete permeates from the pouring groove 46 of the precast concrete locking block 4 and is connected with the ballast foot in a pouring manner, so that the precast concrete locking block 4 is fixed on the slope surface 1 in a pouring manner.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a precast concrete locking piece mechanical lining equipment, is including setting up in frame (2) on domatic (1), its characterized in that: the machine frame (2) is provided with a conveying belt (3) used for conveying the precast concrete locking blocks (4), the machine frame (2) is provided with a walking frame (7) stretching across the machine frame (2), the walking frame (7) can slide back and forth relative to the machine frame (2) along the conveying direction of the conveying belt (3), the walking frame (7) is provided with a grabbing and transferring device used for grabbing and transferring the precast concrete locking blocks (4), and the grabbing and transferring device is positioned above the conveying belt (3);
the frame (2) is provided with a driving device for driving the walking frame (7) to slide back and forth along the conveying direction of the conveying belt (3), and the bottom of the frame (2) is provided with a crawler-type walking device (6) for driving the frame (2) to transversely move along the conveying direction vertical to the conveying belt (3);
snatch transfer device including slide connect in the seat (10), the rotation of sliding of walking frame (7) connect in mount pad (11) and the liftable ground of seat (10) of sliding connect in the clamping jaw (12) of mount pad (11), the end of snatching of clamping jaw (12) with the cooperation is colluded mutually in the portion of holding (42) of colluding of precast concrete locking piece (4), be provided with on walking frame (7) and be used for the drive seat (10) of sliding are followed the gliding horizontal migration subassembly of direction of movement of frame (2), be provided with on mount pad (11) and be used for the drive the lifting unit that clamping jaw (12) go up and down.
2. The apparatus of claim 1, wherein: the clamping jaw (12) comprises two mutually hinged grabbing rods (121), two grabbing rods (121) are arranged in a crossed mode, two grabbing ends of the grabbing portions (42) used for hooking the precast concrete locking block (4) are formed by the aid of the grabbing portions (122) of the grabbing rods (121) in a matched mode, two grabbing rods (121) are connected between the grabbing rods (121) and are connected with a pull-in steel cable (123) at one end of the lifting assembly, and two ends of the pull-in steel cable (123) are connected with two grabbing rods (121) respectively and are far away from one end of the grabbing portions (122).
3. The apparatus of claim 2, wherein: the lifting assembly comprises a winding and unwinding wheel (19) which is rotatably arranged on one side of the conveying belt (3) and faces towards the mounting base (11), a winding steel cable (20) wound on the winding and unwinding wheel (19) and a lifting rod (24) connected to one end of the winding steel cable (20), wherein one end of the winding steel cable (20) is far away from the lifting rod (24) and is provided with a hooking end (241) used for hooking the winding and unwinding steel cable (123), a first driving motor (22) used for driving the winding and unwinding wheel (19) is arranged on the mounting base (11), an output shaft of the first driving motor (22) is connected with a reduction gearbox (23), and an output shaft of the reduction gearbox (23) is connected with the winding and unwinding wheel (19).
4. The apparatus of claim 3, wherein: the side wall of the mounting seat (11) is further provided with a guide sleeve (18), the guide sleeve (18) is sleeved outside the lifting rod (24), and a hooking end (241) of the lifting rod (24) protrudes out of the bottom end of the guide sleeve (18).
5. The apparatus of claim 1, wherein: the horizontal movement assembly comprises a linear motor arranged on the walking frame (7), a stator (131) of the linear motor is arranged along the width direction of the conveying belt (3), and the sliding seat (10) is fixedly connected with a rotor (132) of the linear motor.
6. The apparatus of claim 1, wherein: a groove (101) is formed in one side, away from a rotor (132) of the linear motor, of the sliding seat (10), a rotating shaft (14) is rotatably arranged in the groove (101), the rotating shaft (14) is arranged along the conveying direction of the conveying belt (3), two ends of the rotating shaft (14) penetrate through two sides of the sliding seat (10), and a connecting block (111) connected to the rotating shaft (14) is arranged on the mounting seat (11);
the lateral wall of seat (10) that slides still is provided with and is used for the drive pivot (14) pivoted gear motor (15), the output shaft of gear motor (15) with be provided with a pair of intermeshing's worm wheel (161) and worm (162) between pivot (14), fixed the cover in worm wheel (161) is located the one end of pivot (14), worm (162) rotate bear in the lateral wall of seat (10) slides, the output shaft of gear motor (15) connect in the one end of worm (162).
7. The apparatus of claim 1, wherein: guide rails (202) are arranged on two sides of the rack (2), the guide rails (202) are arranged along the conveying direction of the conveying belt (3), and traveling wheels (71) connected to the guide rails (202) in a sliding manner are arranged at the bottom of the traveling frame (7);
the driving device comprises a winch (82) arranged at one end of the rack (2), a traction steel cable (83) is wound at the winding end of the winch (82), one end of the traction steel cable (83) is arranged along the length direction of the guide rail (202), and one end, far away from the winch (82), of the traction steel cable (83) is connected to the walking frame (7).
8. The apparatus of claim 1, wherein: the prefabricated concrete locking block bearing device is characterized in that base plates (5) used for bearing the prefabricated concrete locking blocks (4) are arranged on the conveying belt (3) at intervals, and the base plates (5) are arranged along the width direction of the conveying belt (3).
9. A mechanical lining slope protection structure, which adopts the mechanical lining equipment of any one of claims 1-8 to pave a precast concrete lock block (4), characterized in that: slope protection structure including set up in domatic (1) town foot, separate stalk (25), lay in domatic (1) metalling (26) and the shop in precast concrete locking piece (4) on metalling (26), precast concrete locking piece (4) are arranged in proper order along domatic (1) and are distributed, and adjacent two rows precast concrete locking piece (4) lock joint each other.
10. A construction method of a precast concrete locking block mechanical lining revetment is provided, which adopts the mechanical lining equipment of any claim 1-8 to pave the precast concrete locking block (4), and is characterized in that: the method comprises the following steps of,
s1, construction preparation, namely establishing a measurement control net and placing a slope repairing sample frame;
s2, flattening, filling and compacting the slope surface (1);
s3, pouring the ballast and the separating stem (25);
s4, paving the geotextile and the gravel cushion;
s5, paving the precast concrete locking block (4) through the precast concrete locking block mechanical lining equipment; wherein the paving precast concrete locking block (4) comprises,
s51, adjusting the initial position of the walking frame (7);
s52, placing the precast concrete locking blocks (4) at the feeding end (201) of the conveyer belt (3) in order through a crane, placing the precast concrete locking blocks (4) at the middle position of the feeding end (201) of the conveyer belt (3), and conveying the precast concrete locking blocks (4) forwards through the conveyer belt (3);
s53, when the precast concrete lock block (4) is conveyed to the position under the clamping jaw (12), the first driving motor (22) drives the retraction wheel (19) to unwind, so that the clamping jaw (12) descends, the grabbing end of the clamping jaw (12) hooks the hooking part (42) of the precast concrete lock block (4), the first driving motor (22) drives the retraction wheel (19) to wind, so that the clamping jaw (12) grabs the precast concrete lock block (4) to ascend, the linear motor drives the sliding seat (10) to horizontally move, the precast concrete lock block (4) is moved to the position above the position needing to be placed, and then the clamping jaw (12) is driven to descend so as to loosen the precast concrete lock block (4);
s54, rolling a traction steel cable (83) through the winch (82) to draw the travelling frame (7) to travel the length distance of one precast concrete lock block (4) to the feeding end (201) of the conveying belt (3), and synchronously conveying the precast concrete lock block (4) to the position right below the clamping jaw (12) through the conveying belt (3) in a matched mode, so that the next precast concrete lock block (4) is grabbed and laid, and the like;
s55, after a row of precast concrete locking blocks (4) are paved along the length direction of the conveyer belt (3), the crawler-type traveling device (6) drives the whole rack (2) to transversely and horizontally move, and then the next row of precast concrete locking blocks (4) is paved;
and S6, pouring concrete in the laid precast concrete locking block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210109491.8A CN114293511A (en) | 2022-01-28 | 2022-01-28 | Construction method for mechanically lining slope protection by precast concrete locking block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210109491.8A CN114293511A (en) | 2022-01-28 | 2022-01-28 | Construction method for mechanically lining slope protection by precast concrete locking block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114293511A true CN114293511A (en) | 2022-04-08 |
Family
ID=80977354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210109491.8A Pending CN114293511A (en) | 2022-01-28 | 2022-01-28 | Construction method for mechanically lining slope protection by precast concrete locking block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114293511A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115323980A (en) * | 2022-08-20 | 2022-11-11 | 江苏淮阴水利建设有限公司 | Composite ecological landscape retaining wall and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004331364A (en) * | 2003-05-12 | 2004-11-25 | Katayama Sekkei:Kk | Gripping attitude control method for hung object and laying method for continuously installed block article |
| CN110054093A (en) * | 2019-05-24 | 2019-07-26 | 安徽水利开发有限公司 | Lining segment lifts conveying device |
| CN111996988A (en) * | 2020-07-22 | 2020-11-27 | 中电建十一局工程有限公司 | River channel side slope construction method |
| CN112681345A (en) * | 2020-12-04 | 2021-04-20 | 中交第一航务工程局有限公司 | Installation process of prefabricated block for framework slope protection |
| CN214246664U (en) * | 2020-12-22 | 2021-09-21 | 广西理工职业技术学校 | Assembled precast concrete stair construction device |
| CN113479829A (en) * | 2021-07-06 | 2021-10-08 | 中国十七冶集团有限公司 | Slope protection prefabricated interlocking block mounting tool |
-
2022
- 2022-01-28 CN CN202210109491.8A patent/CN114293511A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004331364A (en) * | 2003-05-12 | 2004-11-25 | Katayama Sekkei:Kk | Gripping attitude control method for hung object and laying method for continuously installed block article |
| CN110054093A (en) * | 2019-05-24 | 2019-07-26 | 安徽水利开发有限公司 | Lining segment lifts conveying device |
| CN111996988A (en) * | 2020-07-22 | 2020-11-27 | 中电建十一局工程有限公司 | River channel side slope construction method |
| CN112681345A (en) * | 2020-12-04 | 2021-04-20 | 中交第一航务工程局有限公司 | Installation process of prefabricated block for framework slope protection |
| CN214246664U (en) * | 2020-12-22 | 2021-09-21 | 广西理工职业技术学校 | Assembled precast concrete stair construction device |
| CN113479829A (en) * | 2021-07-06 | 2021-10-08 | 中国十七冶集团有限公司 | Slope protection prefabricated interlocking block mounting tool |
Non-Patent Citations (1)
| Title |
|---|
| 蔡福绪: "高边坡混凝土块体护砌机械铺筑施工技术" * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115323980A (en) * | 2022-08-20 | 2022-11-11 | 江苏淮阴水利建设有限公司 | Composite ecological landscape retaining wall and construction method thereof |
| CN115323980B (en) * | 2022-08-20 | 2023-08-25 | 江苏淮阴水利建设有限公司 | Composite ecological landscape retaining wall and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107587539B (en) | High-efficient device that levels of foundation for construction | |
| CN110904969A (en) | High steep slope slab corridor structure concrete placement slipform system | |
| CN110952561A (en) | Working method of riprap leveling ship | |
| RU2505640C1 (en) | Geoweb stacker with equipment for geoweb storage and straightening at stacking | |
| CN114293511A (en) | Construction method for mechanically lining slope protection by precast concrete locking block | |
| CN109537526B (en) | Construction equipment and construction method for ecological revetment | |
| CN113356077B (en) | Roof beam lifting frame empty line jacking downward-penetrating type reinforced concrete frame bridge construction method | |
| CN211690456U (en) | Geomembrane laying equipment | |
| CN114351645B (en) | River flood control wall structure and construction method thereof | |
| CN212711257U (en) | Riprap leveling ship | |
| CN201103122Y (en) | Concrete lining machine | |
| CN209412787U (en) | Channel concrete prefabricated section paves machine | |
| CN114108691B (en) | Construction process of novel counterfort retaining wall | |
| CN114108690B (en) | A construction equipment that is used for newly-built rail material platform's counterfort formula barricade | |
| CN108442319B (en) | Compact sand gravel filling device and construction method | |
| CN217650817U (en) | Jacking machine tool | |
| CN211285613U (en) | High steep slope slab corridor structure concrete placement slipform system | |
| RU2524740C1 (en) | Ship-raising cast-in-place and precast construction for small-size ships and method of its erection | |
| CN220664737U (en) | Auxiliary laying device for drainage pipeline | |
| CN220433542U (en) | Electric movable template device | |
| CN218997551U (en) | Water conservancy buries line device | |
| CN215367409U (en) | Reusable slope prefabricated immersed tube joint platform device | |
| CN1037184A (en) | Whole installed or removed steel shutter | |
| CN218667631U (en) | Sinking construction device for assembled underground building | |
| CN217460510U (en) | Rammer compactor for earth backfilling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220408 |
|
| RJ01 | Rejection of invention patent application after publication |