CN117127606A - Pile pressing equipment for precast concrete sheet pile - Google Patents
Pile pressing equipment for precast concrete sheet pile Download PDFInfo
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- CN117127606A CN117127606A CN202211313359.5A CN202211313359A CN117127606A CN 117127606 A CN117127606 A CN 117127606A CN 202211313359 A CN202211313359 A CN 202211313359A CN 117127606 A CN117127606 A CN 117127606A
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 174
- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 230000001360 synchronised effect Effects 0.000 claims description 34
- 230000006835 compression Effects 0.000 claims description 19
- 238000007906 compression Methods 0.000 claims description 19
- 239000004567 concrete Substances 0.000 claims description 18
- 230000002265 prevention Effects 0.000 claims description 5
- 239000002689 soil Substances 0.000 abstract description 24
- 239000004568 cement Substances 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 13
- 230000009471 action Effects 0.000 abstract description 12
- 238000010276 construction Methods 0.000 description 19
- 230000000694 effects Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/14—Components for drivers inasmuch as not specially for a specific driver construction
- E02D7/16—Scaffolds or supports for drivers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/10—Follow-blocks of pile-drivers or like devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses pile pressing equipment for precast concrete piles, and aims to provide pile pressing equipment for precast concrete piles, which can avoid the problems that precast concrete piles are deflected and two adjacent upper and lower precast concrete piles cannot be spliced due to the fact that the precast concrete piles sink downwards under the action of dead weight in the process of inserting the precast concrete piles into underground cement soil continuous walls. It comprises a frame; the pile pressing device comprises a vertical guide rail arranged on the frame, a lifting frame lifting along the vertical guide rail, a lifting actuating mechanism for driving the lifting frame to move up and down along the vertical guide rail, and a precast concrete sheet pile vertical fixing device arranged on the lifting frame, wherein the precast concrete sheet pile vertical fixing device is used for fixing precast concrete sheet piles; the clamping device is arranged on the frame and is positioned right below the vertical fixing device of the precast concrete sheet pile and used for clamping the precast concrete sheet pile.
Description
Technical Field
The invention relates to a pile pressing machine, in particular to pile pressing equipment for precast concrete piles.
Background
The existing underground cement soil continuous wall is widely applied to control foundation pit deformation as a soil retaining and waterproof curtain. In order to improve the soil blocking and water stopping capabilities of the underground cemented soil continuous wall, the existing underground cemented soil continuous wall is provided with precast concrete piles inserted into the underground cemented soil continuous wall in the construction process, so that a pile pressing machine is needed to insert the precast concrete piles into the underground cemented soil continuous wall. The existing pile pressing machine presses piles into a stratum by utilizing static pressure, and the existing pile pressing machine has the following problems in the process of inserting precast concrete piles into underground cement soil continuous walls.
On the other hand, when the depth of the underground cement soil continuous wall is deeper, the precast concrete slab pile is generally formed by splicing a plurality of precast concrete slab pile segments which are sequentially distributed from bottom to top, and two adjacent precast concrete slab pile segments are connected into a whole through a splicing structure; in the pile inserting process, after the next precast concrete slab pile section is pressed in place, the previous precast concrete slab pile section is required to be lifted above the next precast concrete slab pile section, the two precast concrete slab pile sections are connected into a whole through a splicing structure, and then the previous precast concrete slab pile section is pressed downwards by a pile pressing machine; in actual construction, because the precast concrete slab pile is inserted into the underground cemented soil continuous wall before solidification, the resistance born by the precast concrete slab pile is smaller at the moment, and after the next precast concrete slab pile section is pressed in place, the precast concrete slab pile section easily falls down under the action of dead weight and sinks in the underground cemented soil continuous wall, so that the problem that the construction quality of the underground cemented soil continuous wall is affected because the last precast concrete slab pile section cannot be spliced is easily caused.
Disclosure of Invention
The invention aims to provide pile pressing equipment for precast concrete piles, which can avoid the problems that precast concrete piles are inclined and two adjacent sections of precast concrete piles cannot be spliced to influence the construction quality of an underground cement soil continuous wall due to the fact that the precast concrete piles sink downwards under the action of dead weight in the process of inserting the precast concrete piles into the underground cement soil continuous wall.
The technical scheme of the invention is as follows:
a pile pressing apparatus for precast concrete piles, comprising:
a frame;
the pile pressing device comprises a vertical guide rail arranged on the frame, a lifting frame lifting along the vertical guide rail, a lifting actuating mechanism for driving the lifting frame to move up and down along the vertical guide rail, and a precast concrete sheet pile vertical fixing device arranged on the lifting frame, wherein the precast concrete sheet pile vertical fixing device is used for fixing precast concrete sheet piles;
the clamping device is arranged on the frame and is positioned right below the vertical fixing device of the precast concrete sheet pile and used for clamping the precast concrete sheet pile. The precast concrete sheet pile is inserted into the in-process of the underground cement soil continuous wall with the pile pressing equipment for the precast concrete sheet pile, the precast concrete sheet pile can be prevented from sinking under the action of dead weight, and therefore the problems that the precast concrete sheet pile is inclined and the upper section and the lower section of adjacent precast concrete sheet pile cannot be spliced, and the construction quality of the underground cement soil continuous wall is affected are avoided.
Preferably, the clamping device comprises a clamping bracket arranged on the frame and two clamping mechanisms arranged on the clamping bracket, a precast concrete pile passing opening is formed between the clamping brackets, the two clamping mechanisms are positioned on the left side and the right side of the precast concrete pile passing opening, and each clamping mechanism comprises a clamping plate positioned in the precast concrete pile passing opening and a clamping cylinder arranged on the clamping bracket and used for driving the clamping plate to translate. Therefore, the clamping oil cylinders of the two clamping mechanisms can drive the respective clamping plates to be close to each other, so that the precast concrete slab pile is clamped, and the precast concrete slab pile is prevented from sinking under the action of dead weight.
The clamping pile pressing prevention device comprises a vertical abutting surface, a locking hole, a locking bracket, a horizontal fixing guide sleeve, a sliding locking rod, a front limiting block, a rear limiting block, a compression spring, a synchronous connecting piece and a locking rod through hole, wherein the vertical abutting surface is arranged on a lifting frame and extends vertically, the locking hole is arranged at the lower part of the vertical abutting surface, the locking bracket is arranged on a frame, the horizontal fixing guide sleeve is arranged on the locking bracket, the sliding locking rod slides along the horizontal fixing guide sleeve, the front limiting block and the rear limiting block are arranged on the sliding locking rod, the compression spring is sleeved on the sliding locking rod, the synchronous connecting piece is connected with a clamping plate of one clamping mechanism, the locking rod through hole is arranged on the synchronous connecting piece, the sliding locking rod penetrates through the locking rod through hole, the sliding locking rod is parallel to the translation direction of the clamping plate, the sliding locking rod is perpendicular to the vertical abutting surface, the horizontal fixing guide sleeve, the front limiting block, the compression spring, the locking rod through hole and the rear limiting block are sequentially distributed along the axial direction of the sliding locking rod, one end of the compression spring abuts against the synchronous connecting piece, and one end of the compression spring abuts against the front limiting block for two years,
when the lifting executing mechanism drives the lifting frame to move downwards to the highest position along the vertical guide rail, the sliding locking rod faces the locking hole, and the sliding locking rod can extend into the locking hole;
when the lifting actuating mechanism drives the lifting frame to move downwards to the lowest position along the vertical guide rail, the sliding locking rod faces the vertical abutting surface.
The precast concrete slab pile is clamped by the clamping device, although the precast concrete slab pile is prevented from sinking under the action of dead weight; however, in the actual construction process, the operator may have a problem that the clamping device is damaged because the clamping device is controlled to press down the precast concrete pile by forgetting to release the clamping device from the precast concrete pile (the clamping device keeps clamping the precast concrete pile). In order to solve the problem, the clamping pile pressing prevention device is arranged in the scheme, and specific embodiments are seen.
Preferably, the end face of the sliding locking rod facing the vertical abutting surface is provided with a ball.
Preferably, the clamping mechanism further comprises a horizontal guide hole arranged on the clamping support and a clamping guide rod sliding along the horizontal guide hole, one end of the clamping guide rod is fixedly connected with the corresponding clamping plate, the synchronous connecting piece comprises a synchronous push plate parallel to the vertical abutting surface and a synchronous connecting rod for connecting the synchronous push plate with the corresponding clamping guide rod, and the locking rod through hole is formed in the upper portion of the synchronous push plate. Thus, the clamping stability of the clamping device can be improved.
Preferably, the vertical fixing device of the precast concrete sheet pile comprises an upper limit frame, a lower limit frame, a vertical concrete sheet pile passing opening and a pressing mechanism, wherein the upper limit frame and the lower limit frame are arranged on the lifting frame, the vertical concrete sheet pile passing opening is positioned in the limit frame, the pressing mechanism is arranged on the limit frame in a one-to-one correspondence mode, and the pressing mechanism is used for pressing the precast concrete sheet pile inserted in the vertical concrete sheet pile passing opening on the limit frame. The precast concrete slab pile is fixed through the upper limit frame, the lower limit frame and the pressing mechanism, and the precast concrete slab pile is ensured to be fixed stably and reliably.
Preferably, the pressing mechanism comprises pressing blocks positioned in corresponding vertical through openings of the concrete sheet piles and pressing cylinders used for driving the pressing blocks to translate.
Preferably, the limiting frame is composed of a fixed half frame and a movable half frame, the fixed half frame is fixed on the lifting frame, and the movable half frame is hinged with the fixed half frame. So, during actual construction, can open the activity half frame around articulated rotation, then translate precast concrete sheet pile to fixed half frame in through the loop wheel machine, close the activity half frame around articulated rotation afterwards, be convenient for hoist precast concrete sheet pile to the vertical mouthful of crossing of concrete sheet pile of two upper and lower spacing frames in actual construction.
Preferably, the movable half frames of the upper limit frame and the lower limit frame are connected into a whole through a vertical connecting rod, one limit frame is further provided with a driving oil cylinder, one end of the driving oil cylinder is hinged with the fixed half frame of the limit frame, and the other end of the driving oil cylinder is hinged with the movable half frame of the limit frame. Therefore, the movable half frames of the upper limit frame and the lower limit frame can be simultaneously controlled to be opened or closed around the hinge rotation through one driving oil cylinder.
Preferably, the walking vehicle is further comprised, and the frame is mounted on the frame of the walking vehicle. Therefore, the frame, the pile pressing device and the clamping device can be driven to move through the travelling crane, and actual construction needs are facilitated.
The beneficial effects of the invention are as follows: in the process of inserting the precast concrete sheet pile into the underground cement soil continuous wall, the problems that the precast concrete sheet pile sinks downwards under the action of dead weight, so that the precast concrete sheet pile deflects and the upper and lower adjacent precast concrete sheet piles cannot be spliced and the construction quality of the underground cement soil continuous wall is affected can be avoided.
Drawings
Fig. 1 is a schematic view of a construction of a pile pressing apparatus for precast concrete piles according to the present invention.
Fig. 2 is a partial plan view of a pile pressing apparatus for precast concrete piles according to the present invention.
Fig. 3 is a partial plan view of a clamping device of a pile pressing apparatus for precast concrete piles according to the present invention.
Fig. 4 is an enlarged view of a portion of fig. 2 a.
Fig. 5 is a schematic view showing a construction of a pile pressing apparatus for precast concrete piles according to the present invention in an actual construction process.
In the figure:
a frame 1;
precast concrete slab piles 1a;
a vertical guide rail 2;
a lifting frame 3;
a lifting executing mechanism 4;
the limiting frame 5, the vertical through hole 5.0 of the concrete sheet pile, the fixed half frame 5.1 and the movable half frame 5.2;
the compressing mechanism 6, the pressing block 6.1 and the compressing cylinder 6.2;
a drive cylinder 7;
clamping a bracket 8, prefabricating a concrete sheet pile through hole 8.0 and a cantilever beam 8.1;
the clamping mechanism 9, the clamping plate 9.0, the clamping cylinder 9.1, the clamping guide rod 9.2 and the guide rod limiting block 9.3;
a vertical link 10;
a vertical abutment surface 11;
a locking bracket 12;
a locking hole 13;
a synchronous connecting piece 14, a synchronous push plate 1.41 and a synchronous connecting rod 14.2;
a horizontal fixed guide sleeve 15;
a slide lock lever 16;
a front stopper 17;
a compression spring 18;
a lock lever via 19;
and a rear stopper 20.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed description:
first embodiment: as shown in fig. 1, 2, 3, 4 and 5, a pile pressing apparatus for precast concrete piles includes a frame 1, a pile pressing device and a clamping device. The pile pressing device comprises a vertical guide rail 2 arranged on the frame, a lifting frame 3 lifting along the vertical guide rail, a lifting actuating mechanism 4 for driving the lifting frame to move up and down along the vertical guide rail, and a precast concrete sheet pile vertical fixing device arranged on the lifting frame. The precast concrete pile vertical fixing device is used for fixing the precast concrete pile 1a. The lifting executing mechanism is a lifting oil cylinder. The clamping device is arranged on the frame. The clamping device is located right below the vertical fixing device of the precast concrete sheet pile and used for clamping the precast concrete sheet pile.
The concrete work of the pile pressing device for precast concrete piles of the scheme is as follows,
firstly, a lifting executing mechanism drives a lifting frame to move downwards to the highest position along a vertical guide rail;
hoisting a precast concrete sheet pile to a pile pressing device in a vertical state through a crane, fixing the precast concrete sheet pile on a lifting frame through a precast concrete sheet pile vertical fixing device, and distributing the precast concrete sheet pile in a vertical state;
then, the lifting executing mechanism drives the lifting frame to move downwards to the lowest position along the vertical guide rail, and the precast concrete piles which are vertically distributed and fixed on the precast concrete pile vertical fixing device in the process move downwards along with the lifting frame, so that a part of the precast concrete piles are vertically inserted into the underground cement soil continuous wall;
and then the clamping device clamps the precast concrete pile.
Secondly, releasing the precast concrete pile by the precast concrete pile vertical fixing device, and then driving the lifting frame to move downwards to the highest position along the vertical guide rail by the lifting executing mechanism; in the process, the precast concrete slab pile is clamped by the clamping device, so that the precast concrete slab pile can be prevented from sinking under the action of dead weight after the precast concrete slab pile is released by the precast concrete slab pile vertical fixing device, and the problem that the precast concrete slab pile is deflected due to the fact that the precast concrete slab pile sinks under the action of dead weight is avoided;
then, fixing the precast concrete sheet piles on the lifting frame through a precast concrete sheet pile vertical fixing device, wherein the precast concrete sheet piles are distributed in a vertical state; then, the clamping device releases the precast concrete sheet pile;
thirdly, the lifting executing mechanism drives the lifting frame to move downwards to the lowest position along the vertical guide rail, and the precast concrete piles which are vertically distributed and fixed on the precast concrete pile vertical fixing device in the process move downwards along with the lifting frame, so that a part of the precast concrete piles are vertically inserted into the underground cement soil continuous wall;
the precast concrete pile is then gripped by the gripping means.
Fifth, return to the second step and circulate until the precast concrete sheet pile is pressed down into place. If the precast concrete sheet pile is a whole precast concrete sheet pile, the insertion of the precast concrete sheet pile is completed at the moment. If the precast concrete slab pile is formed by splicing a plurality of precast concrete slab pile sections which are distributed in sequence from bottom to top, the insertion of one precast concrete slab pile section is completed at the moment, after the precast concrete slab pile section is pressed down in place, the precast concrete slab pile is clamped by a clamping device, then the precast concrete slab pile is released by a precast concrete slab pile vertical fixing device, and a lifting executing mechanism drives a lifting frame to move down to the highest position along a vertical guide rail; then hoisting another section of precast concrete pile to a pile pressing device in a vertical state through a crane, and splicing the lower end of the precast concrete pile section and the upper end of the precast concrete pile section inserted in the underground cement soil continuous wall into a whole; therefore, the problem that the construction quality of the underground cement soil continuous wall is affected because the precast concrete sheet piles sink downwards under the action of dead weight and the upper and lower adjacent precast concrete sheet piles cannot be spliced can be avoided. And then the precast concrete pile section is continuously pressed into the underground cement soil continuous wall downwards by adopting the method.
Specifically, the pile pressing equipment for the precast concrete sheet pile further comprises a traveling vehicle. The frame is arranged on the frame of the walking vehicle. Therefore, the frame, the pile pressing device and the clamping device can be driven to move through the travelling crane, and actual construction needs are facilitated.
The clamping device comprises a clamping bracket 8 arranged on the frame and two clamping mechanisms 9 arranged on the clamping bracket. The precast concrete pile crossing port 8.0 is arranged between the clamping supports, in the embodiment, the clamping supports comprise a left cantilever beam 8.1 and a right cantilever beam 8.1 which are fixed on the frame, the two cantilever beams are mutually parallel, and the precast concrete pile crossing port is arranged between the two cantilever beams. Two clamping mechanisms are positioned at the left side and the right side of the precast concrete pile passing opening, one clamping mechanism is arranged on one cantilever beam, and the other clamping mechanism is arranged on the other cantilever beam. The clamping mechanism 9 comprises a clamping plate 9.0 positioned in the precast concrete pile through hole and a clamping oil cylinder 9.1 arranged on the clamping bracket and used for driving the clamping plate to translate. The clamping plates are vertically distributed, and the clamping plates of the two clamping mechanisms are parallel. The clamping oil cylinder is used for driving clamping plates of the two clamping mechanisms to be close to or separated from each other. Therefore, the clamping oil cylinders of the two clamping mechanisms can drive the respective clamping plates to be close to each other, so that the precast concrete slab pile is clamped, and the precast concrete slab pile is prevented from sinking under the action of dead weight.
The clamping mechanism further comprises a horizontal guide hole arranged on the clamping support and a clamping guide rod 9.2 sliding along the horizontal guide hole. The clamping guide rod is parallel to the telescopic direction of the clamping oil cylinder. One end of the clamping guide rod is fixedly connected with the corresponding clamping plate. Thus, the clamping stability of the clamping device can be improved. In this embodiment, the clamping guide rod is further provided with a guide rod limiting block 9.3, and the guide rod limiting block and the clamping plate in the same clamping mechanism are located on the same side of the horizontal guide hole. When the guide rod limiting blocks on the two clamping mechanisms are propped against the clamping support, the distance between the clamping plates of the two clamping mechanisms is in the maximum state.
The vertical fixing device of precast concrete sheet pile includes two upper and lower spacing frames 5 that set up on the crane, the vertical mouth 5.0 that crosses of concrete sheet pile that is located spacing frame and the hold-down mechanism 6 of setting on spacing frame of one-to-one. The precast concrete sheet pile crossing is positioned right below the vertical crossing of the concrete sheet pile. In this embodiment, the limiting frame is a rectangular frame structure. The compressing mechanism is used for compressing the precast concrete sheet pile inserted in the vertical through hole of the concrete sheet pile on the limiting frame. The pressing mechanism 6 comprises pressing blocks 6.1 positioned in corresponding vertical through openings of the concrete piles and pressing oil cylinders 6.2 used for driving the pressing blocks to translate. Therefore, after the precast concrete slab pile is positioned in the vertical passing opening of the concrete slab pile of the upper limit frame and the lower limit frame, the pressing block is driven by the pressing oil cylinder to be close to the precast concrete slab pile, so that the precast concrete slab pile is pressed and fixed on the upper limit frame and the lower limit frame, and the precast concrete slab pile is distributed in a vertical state.
The limiting frame 5 is composed of a fixed half frame 5.1 and a movable half frame 5.2, wherein the fixed half frame is fixed on the lifting frame, and the movable half frame is hinged with the fixed half frame. The vertical through hole of the concrete sheet pile is positioned between the fixed half frame and the movable half frame. So, during actual construction, can open the activity half frame around articulated rotation, then translate precast concrete sheet pile to fixed half frame in through the loop wheel machine, close the activity half frame around articulated rotation afterwards, be convenient for hoist precast concrete sheet pile to the vertical mouthful of crossing of concrete sheet pile of two upper and lower spacing frames in actual construction.
The movable half frames of the upper limit frame and the lower limit frame are connected into a whole through a vertical connecting rod 10. One of the limiting frames is also provided with a driving oil cylinder 7, one end of the driving oil cylinder is hinged with the fixed half frame of the limiting frame, and the other end of the driving oil cylinder is hinged with the movable half frame of the limiting frame. Therefore, the movable half frames of the upper limit frame and the lower limit frame can be simultaneously controlled to be opened or closed around the hinge rotation through one driving oil cylinder. In this embodiment, a locking mechanism is further disposed between the fixed half frame and the movable half frame on the same limiting frame, where the locking mechanism is in the prior art, and the locking mechanism is a manual locking mechanism or an automatic locking mechanism. When the driving oil cylinder drives the movable half frame to rotate around the hinge to be closed, the movable half frame is locked on the corresponding fixed half frame through the locking mechanism, so that the movable half frame is prevented from rotating around the hinge to be opened. When the movable half frame needs to be opened, the locking mechanism is unlocked, so that the driving oil cylinder drives the movable half frame to rotate around the hinge to be opened.
In the second embodiment, the rest of the structure of the present embodiment is different from that of the first embodiment in that,
as shown in fig. 1, 2, 3 and 4, the pile pressing device for precast concrete piles further comprises a clamping pile pressing preventing device. The clamping pile pressing preventing device comprises a vertical abutting surface 11, a locking hole 13, a locking bracket 12, a horizontal fixing guide sleeve 15, a sliding locking rod 16, a front limiting block 17, a rear limiting block 20, a compression spring 18, a synchronous connecting piece 14 and a locking rod through hole 19, wherein the vertical abutting surface 11 is arranged on a lifting frame and extends vertically, the locking hole 13 is arranged at the lower part of the vertical abutting surface, the locking bracket is fixedly arranged on a frame, the horizontal fixing guide sleeve 15 is arranged on the locking bracket, the sliding locking rod 16 slides along the horizontal fixing guide sleeve, the front limiting block 17 and the rear limiting block 20 are arranged on the sliding locking rod, the compression spring 18 is sleeved on the sliding locking rod, and the synchronous connecting piece 14 is connected with a clamping plate of one clamping mechanism. The sliding locking rod is positioned above the clamping mechanism. The synchronous connecting piece 14 comprises a synchronous connecting rod 14.2 and a synchronous push plate 1.41 parallel to the vertical abutting surface, and the synchronous push plate is connected with the clamping guide rod of the corresponding clamping mechanism through the synchronous connecting rod. The locking rod through hole is arranged at the upper part of the synchronous push plate. The sliding locking bar passes through the locking bar through hole. The sliding locking rod is parallel to the translation direction of the clamping plate. The sliding locking rod is perpendicular to the vertical abutting surface. The vertical abutting surface, the horizontal fixing guide sleeve, the front limiting block, the compression spring, the locking rod through hole and the rear limiting block are sequentially distributed along the axial direction of the sliding locking rod. One end of the compression spring is propped against the synchronous connecting piece, and two years of one end of the compression spring is propped against the front limiting block. In this embodiment, the end face of the slide lock lever facing the vertical abutment surface is provided with a ball.
When the lifting executing mechanism drives the lifting frame to move downwards to the highest position along the vertical guide rail, the sliding locking rod faces the locking hole, and the sliding locking rod can extend into the locking hole. When the lifting frame is positioned below the highest position, the sliding locking rods and the locking holes are distributed in a staggered mode, and the sliding locking rods cannot extend into the locking holes. When the lifting actuating mechanism drives the lifting frame to move downwards to the lowest position along the vertical guide rail, the sliding locking rod faces the vertical abutting surface. When the guide rod limiting block of the clamping mechanism corresponding to the synchronous connecting piece abuts against the clamping support, the sliding locking rod is located on one side of the vertical abutting surface, and the distance between the end face, facing the vertical abutting surface, of the sliding locking rod and the vertical abutting surface is 5-20 mm.
In the first embodiment, the precast concrete slab pile is clamped by the clamping device, although the precast concrete slab pile can be prevented from sinking under the action of dead weight; however, in the actual construction process, the operator may have a problem that the clamping device is damaged because the clamping device is controlled to press down the precast concrete pile by forgetting to release the clamping device from the precast concrete pile (the clamping device keeps clamping the precast concrete pile). To solve this problem, the present embodiment provides a clamping pile-pressing prevention device, specifically,
when the clamping device releases the precast concrete pile, namely the clamping cylinders of the two clamping mechanisms drive the respective clamping plates to separate from each other until the guide rod limiting blocks on the two clamping mechanisms are propped against the clamping bracket, so that the precast concrete pile is released; at the moment, a gap is formed between the end face, facing the vertical abutting surface, of the sliding locking rod and the vertical abutting surface, and the lifting executing mechanism can smoothly drive the lifting frame to move up and down along the vertical guide rail, so that normal work is not affected;
more importantly, the synchronous connecting piece transmits acting force to the sliding locking rod through the compression spring, so that the clamping oil cylinder can drive the corresponding clamping plate to move back and forth no matter where the lifting frame is; specifically, when the clamping device clamps the precast concrete pile, the synchronous connecting piece pushes the sliding locking rod through the compression spring to enable the balls to be abutted against the vertical abutting surface or inserted into the locking hole, and the clamping device cannot be influenced to clamp the precast concrete pile. When the clamping device clamps the precast concrete pile, if the lifting frame is positioned below the highest position, the synchronous connecting piece pushes the sliding locking rod to enable the balls to abut against the vertical abutting surface through the compression spring, so that the normal movement work of the lifting frame is not influenced; if the lifting frame moves upwards to the highest position, the synchronous connecting piece pushes the sliding locking rod to be inserted into the locking hole through the compression spring, and at the moment, if an operator does not operate according to normal regulations, the clamping device is forgotten to release the precast concrete pile (namely, in the state that the clamping device clamps the precast concrete pile), the precast concrete pile is downwards pressed by the pile pressing device under the direct control, and the lifting frame is locked by the sliding locking rod and cannot downwards move; only if an operator operates according to normal regulations, the precast concrete slab pile is released through the clamping device, the sliding locking rod is separated from the locking hole, and then the precast concrete slab pile can be downwards pressed by the control pile pressing device; therefore, the problem that the clamping device is damaged due to the fact that an operator does not operate according to the specification in the actual construction process, and the pile pressing device is controlled to press down the precast concrete pile after the clamping device is forgotten to release the precast concrete pile (the clamping device keeps clamping the precast concrete pile).
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any simple modification, variation and equivalent transformation of the above embodiment according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (10)
1. Pile pressing equipment for precast concrete piles is characterized by comprising:
a frame;
the pile pressing device comprises a vertical guide rail arranged on the frame, a lifting frame lifting along the vertical guide rail, a lifting actuating mechanism for driving the lifting frame to move up and down along the vertical guide rail, and a precast concrete sheet pile vertical fixing device arranged on the lifting frame, wherein the precast concrete sheet pile vertical fixing device is used for fixing precast concrete sheet piles;
the clamping device is arranged on the frame and is positioned right below the vertical fixing device of the precast concrete sheet pile and used for clamping the precast concrete sheet pile.
2. The pile pressing apparatus for precast concrete piles according to claim 1, wherein the clamping device comprises a clamping bracket arranged on the frame and two clamping mechanisms arranged on the clamping bracket, a precast concrete pile passing opening is arranged between the clamping brackets, the two clamping mechanisms are positioned at the left side and the right side of the precast concrete pile passing opening, and each clamping mechanism comprises a clamping plate positioned in the precast concrete pile passing opening and a clamping cylinder arranged on the clamping bracket and used for driving the clamping plate to translate.
3. The pile pressing apparatus for precast concrete piles according to claim 2, further comprising a clamping pile pressing prevention device, wherein the clamping pile pressing prevention device comprises a vertical abutting surface which is arranged on the lifting frame and is vertically extended and distributed, a locking hole which is arranged at the lower part of the vertical abutting surface, a locking bracket which is arranged on the frame, a horizontal fixing guide sleeve which is arranged on the locking bracket, a sliding locking rod which slides along the horizontal fixing guide sleeve, a front limiting block and a rear limiting block which are arranged on the sliding locking rod, a compression spring which is sleeved on the sliding locking rod, a synchronous connecting piece which is connected with a clamping plate of one clamping mechanism and a locking rod through hole which is arranged on the synchronous connecting piece, the sliding locking rod passes through the locking rod through hole, the sliding locking rod is parallel to the translation direction of the clamping plate, the sliding locking rod is vertical to the vertical abutting surface, the horizontal fixing guide sleeve, the front limiting block, the compression spring, the locking rod through hole and the rear limiting block are sequentially distributed along the axial direction of the sliding locking rod, one end of the compression spring abuts against the synchronous connecting piece, one end of the compression spring abuts against the front limiting block for two years,
when the lifting executing mechanism drives the lifting frame to move downwards to the highest position along the vertical guide rail, the sliding locking rod faces the locking hole, and the sliding locking rod can extend into the locking hole;
when the lifting actuating mechanism drives the lifting frame to move downwards to the lowest position along the vertical guide rail, the sliding locking rod faces the vertical abutting surface.
4. A precast concrete pile pressing apparatus according to claim 3, wherein the end face of the slide lock lever facing the vertical abutment face is provided with balls.
5. The pile pressing apparatus for precast concrete piles according to claim 3 or 4, wherein the clamping mechanism further comprises a horizontal guide hole provided on the clamping bracket and a clamping guide rod sliding along the horizontal guide hole, one end of the clamping guide rod is fixedly connected with the corresponding clamping plate, the synchronous connecting member comprises a synchronous push plate parallel to the vertical abutting surface and a synchronous connecting rod connecting the synchronous push plate and the corresponding clamping guide rod, and the locking rod through hole is provided at the upper part of the synchronous push plate.
6. A precast concrete pile pressing apparatus according to claim 1, 2, 3 or 4, wherein the precast concrete pile vertical fixing device comprises an upper limit frame, a lower limit frame, concrete pile vertical through openings in the limit frames and a pressing mechanism arranged on the limit frames in a one-to-one correspondence manner, and the pressing mechanism is used for pressing precast concrete piles inserted in the concrete pile vertical through openings on the limit frames.
7. A precast concrete pile pressing apparatus as defined in claim 6, wherein the pressing mechanism includes pressing blocks located in the corresponding concrete pile vertical through openings and pressing cylinders for driving the pressing blocks to translate.
8. The pile pressing apparatus for precast concrete piles of claim 6, wherein the limit frame is composed of a fixed half frame and a movable half frame, the fixed half frame is fixed on the lifting frame, and the movable half frame is hinged with the fixed half frame.
9. The pile pressing device for precast concrete piles according to claim 8, wherein the movable half frames of the upper and lower limit frames are connected into a whole through vertical connecting rods, a driving oil cylinder is further arranged on one of the limit frames, one end of the driving oil cylinder is hinged with the fixed half frame of the limit frame, and the other end of the driving oil cylinder is hinged with the movable half frame of the limit frame.
10. A precast concrete pile pressing apparatus as defined in claim 1 or 2 or 3 or 4, further comprising a travelling car, the frame being mounted on a frame of the travelling car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211313359.5A CN117127606A (en) | 2022-10-25 | 2022-10-25 | Pile pressing equipment for precast concrete sheet pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211313359.5A CN117127606A (en) | 2022-10-25 | 2022-10-25 | Pile pressing equipment for precast concrete sheet pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117127606A true CN117127606A (en) | 2023-11-28 |
Family
ID=88860604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211313359.5A Pending CN117127606A (en) | 2022-10-25 | 2022-10-25 | Pile pressing equipment for precast concrete sheet pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117127606A (en) |
-
2022
- 2022-10-25 CN CN202211313359.5A patent/CN117127606A/en active Pending
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