CN211644310U - Hoisting device for hoisting hollow prefabricated pile in center - Google Patents
Hoisting device for hoisting hollow prefabricated pile in center Download PDFInfo
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- CN211644310U CN211644310U CN201922406406.0U CN201922406406U CN211644310U CN 211644310 U CN211644310 U CN 211644310U CN 201922406406 U CN201922406406 U CN 201922406406U CN 211644310 U CN211644310 U CN 211644310U
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Abstract
The utility model discloses a hoisting device for hoisting a central hollow precast pile, which comprises a framework mechanism and a bearing mechanism accommodated in the framework mechanism, wherein the framework mechanism comprises a first sheath, a second sheath and at least three support rods, one end of each support rod is inserted into and fixedly arranged on the first sheath, and the other end of each support rod is fixedly connected to one point, and the second sheath is fixedly sleeved on the periphery of each support rod and is close to the other end of each support rod; the bearing mechanism comprises at least three bearing rods, at least three diagonal braces and at least three tail pieces, the tail pieces are bent piece bodies formed by integrally formed short pieces and long pieces, one bearing rod is provided with one diagonal brace and one tail piece, and the other ends of the at least three bearing rods are combined and fixedly connected to one point and fixedly arranged on the first sheath. The utility model provides a length for 1.0 ~ 3.0 m's the mixed soil extrusion solidification precast pile's that has a central hole hoist and mount problem, convenient operation is favorable to improving construction quality.
Description
Technical Field
The utility model relates to a precast pile hoist and mount construction field. More specifically, the utility model relates to a hoist and mount ware that is used for hoisting center hole precast pile.
Background
The prefabricated pile is made up by using clay pile extruder to press and form the uniformly mixed clay material, then curing it into single-section pile. The patent CN205475211 'a mixed soil extrusion curing precast pile for soft foundation treatment' and the patent CN105421446A 'a mixed soil extrusion curing precast pile for soft foundation treatment and construction method' introduce the treatment principle and construction process of the mixed soil extrusion curing precast pile soft foundation.
The prefabricated length of traditional precast tubular pile is longer, and the hoist and mount generally sets up the hoisting point in advance, adopts the lifting rope to hoist. But the length setting of mixed soil extrusion solidification precast pile section is between 1.0 ~ 3.0m, and length is far less than traditional precast pile, and a complete stake needs many precast pile sections to assemble and forms, consequently needs special hoist and mount ware to hoist. The utility model discloses aim at solving the hoist and mount problem that length is 1.0 ~ 3.0 m's mixed soil extrusion solidification precast pile, and be applicable to the hoist and mount of the precast pile of other types that have the central hole of suitable length equally.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model also aims at providing a hoist and mount ware for hoisting center hole precast pile has solved the hoist and mount problem that length is 1.0 ~ 3.0 m's the mixed soil extrusion solidification precast pile that has center hole, and is easy and simple to handle, is favorable to improving construction quality.
In order to realize the objects and other advantages in accordance with the present invention, there is provided a hoisting device for hoisting a central hollow precast pile, comprising:
the framework mechanism comprises a first sheath, a second sheath and at least three support rods, wherein a hanging ring is arranged on the first sheath, one ends of the at least three support rods are all inserted into the first sheath and fixedly arranged on the first sheath, the other ends of the at least three support rods are combined and fixedly connected to one point, the second sheath is fixedly sleeved on the periphery of the at least three support rods and is close to the other ends of the at least three support rods, the first sheath is a hollow cylinder with one closed end and the other open end, the second sheath is a cylinder with two open ends, the inner diameter of the first sheath is equal to that of the second sheath, and the length of each support rod is 1.2-1.5 m;
the bearing mechanism is accommodated in the framework mechanism and comprises at least three bearing rods, at least three diagonal support rods and at least three tail pieces, the tail piece is a bent piece body formed by integrally forming a short piece and a long piece, a bearing rod is provided with an inclined stay bar and the tail piece, wherein, one end of one bearing rod is fixedly connected with the short piece of one tail piece, one end of one diagonal brace is fixedly connected on the bearing rod, the other end is fixedly connected on the long piece of the tail piece, the other ends of at least three bearing rods are combined and fixedly connected at one point and fixedly arranged on the first sheath, at least three diagonal braces are distributed in a divergent way relative to the axial direction of the first sheath and are positioned at one end of the second sheath far away from the first sheath, the long pieces of the at least three tail pieces are folded towards the axial direction of the first sheath, and each tail piece is positioned between two adjacent supporting rods;
when the hoisting device hoists the central hollow precast pile, the short pieces of the at least three tail pieces are in contact with the end edge of the central hollow precast pile.
Preferably, the method further comprises the following steps:
the tail mechanism comprises a cylinder, a first connecting rod and a threaded sleeve, wherein one end of the cylinder is closed and provided with a through hole, the other end of the cylinder is opened and faces the second sheath, threads are arranged at two ends of the first connecting rod, one end of the first connecting rod is connected with the threaded sleeve, and the other end of the first connecting rod penetrates out of the through hole and is fixed by a nut;
the other ends of the at least three support rods are connected with a second connecting rod, threads are arranged at the other ends of the second connecting rods and are connected with threaded sleeves, the outer diameter of the cylinder is smaller than the inner diameter of the central hollow hole precast pile, the inner diameter of the cylinder is smaller than the diameter of the largest circle formed by the short pieces of the at least three tail pieces, and the inner diameter of the cylinder is larger than the diameter of the smallest circle formed by the long pieces of the at least three tail pieces.
Preferably, one end of each of the at least three support rods is uniformly distributed along the circumferential direction of the first sheath, the other end of each of the at least three support rods is located on the axis of the first sheath, and the axes of the cylinder and the through hole are located on the axis of the first sheath.
Preferably, one end of at least three support rods and the other end of at least three bearing rods are fixedly connected to the closed end of the first sheath, and the hanging ring is arranged at the center of the outer side of the closed end of the first sheath.
Preferably, the supporting rod, the bearing rod and the inclined supporting rod are all ribbed steel bars.
Preferably, the included angle formed between the short piece of the tail piece and the support rod connected with the short piece of the tail piece is 90 degrees.
The utility model discloses at least, include following beneficial effect:
the utility model solves the hoisting problem of the mixed soil extrusion curing precast pile with the central hollow hole and the length of 1.0-3.0 m, and is also suitable for hoisting other types of precast piles with the central hollow hole and the proper length;
the utility model is provided with the tail mechanism, the tail mechanism is connected with the second connecting rod on the framework mechanism through threads, the detachable function is realized, whether the tail mechanism is connected or not can be selected according to the construction requirement, and the dual-purpose is realized;
and the hoisting device which is not connected with the tail mechanism is only suitable for hoisting operation of more than one section of central hollow precast pile in the sleeve, and the hoisting device connected with the tail mechanism is suitable for hoisting operation of no precast pile in the sleeve, is simple and convenient to operate, and is beneficial to improving the construction quality.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of the hoisting device according to one of the technical solutions of the present invention;
fig. 2 is a schematic structural diagram of the framework mechanism according to one embodiment of the present invention;
fig. 3 is a schematic structural diagram of the load-bearing mechanism according to one embodiment of the present invention;
fig. 4 is a schematic structural diagram of the tail mechanism according to one of the technical solutions of the present invention:
fig. 5 is a schematic structural diagram of the central hollow precast pile according to one of the technical solutions of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It should be noted that, in the description of the present invention, the directions or positional relationships indicated are the directions or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and the indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction is not understood as a limitation of the present invention.
As shown in fig. 1-5, the utility model provides a hoist and mount ware for hoisting center hole precast pile, include:
the framework mechanism comprises a first sheath 1, a second sheath 2 and at least three support rods 3, wherein a hanging ring 4 is arranged on the first sheath 1, one ends of the at least three support rods 3 are all inserted into the first sheath 1 and fixedly arranged on the first sheath 1, the other ends of the at least three support rods 3 are combined and fixedly connected at one point, the second sheath 2 is fixedly sleeved on the periphery of the at least three support rods 3 and is close to the other ends of the at least three support rods 3, the first sheath 1 is a hollow cylinder with one closed end and the other open end, the second sheath 2 is a cylinder with two open ends, the inner diameter of the first sheath 1 is equal to that of the second sheath 2, the framework structure between the first sheath 1 and the second sheath 2 can be a cylinder structure, the stability of the framework mechanism is improved, and the length of the support rods 3 is 1.2-1.5 m, the length of the supporting rod 3 is most reasonable, so that the hoisting operation is convenient to implement;
the bearing mechanism is accommodated in the framework mechanism and comprises at least three bearing rods 5, at least three diagonal braces 6 and at least three tail pieces 7, the tail pieces 7 are bent piece bodies formed by integrally-formed short pieces 8 and long pieces 9, one bearing rod 5 is provided with one diagonal brace 6 and one tail piece 7, one end of one bearing rod 5 is fixedly connected with the short piece 8 of one tail piece 7, one end of one diagonal brace 6 is fixedly connected to the bearing rod 5, the other end of the diagonal brace 6 is fixedly connected to the long piece 9 of the tail piece 7, the bearing capacity of the bearing mechanism can be ensured, the other ends of at least three bearing rods 5 are fixedly connected to one point and fixedly connected to the first sheath 2, the at least three diagonal braces 6 are distributed in a divergent mode relative to the axial direction of the first sheath 1 and are positioned at one end, far away from the first sheath 1, of the second sheath 2, and the long pieces 9 of the at least three tail pieces 7 are folded towards the axial direction of the first sheath 1, each tail piece 7 is positioned between two adjacent supporting rods 3;
when the hoister hoists the central hollow precast pile 16, the short pieces 8 of the at least three tail pieces 7 are contacted with the end edge of the central hollow precast pile 16.
In the technical scheme, the bearing mechanism is accommodated in the framework mechanism, the second sheath 2 of the framework mechanism has a limiting effect on at least three bearing rods 5 of the bearing mechanism, and the position of the second sheath 2 on the framework mechanism can determine the size of an opening formed by axial divergence of one end of each of the at least three bearing rods 5 relative to the second sheath 2, so that when a hoisting device is used for hoisting a central hollow precast pile 16, the short pieces 8 of at least three tail pieces 7 can be in contact with the end edge of the central hollow precast pile 16 and support the central hollow precast pile 16; and at least three bearing rods 5 on the bearing mechanism are not fixed with the second sheath 2, and at least three tail pieces 7 can be folded towards the center when being acted by the circumferential acting force, so that the hoisting device can be separated from the central hollow precast pile 16, and the hoisting is completed and taken out. The hoisting device is suitable for hoisting operation of more than one section of central hollow precast pile in a sleeve.
In another technical solution, the method further comprises:
the tail mechanism comprises a cylinder 10, a first connecting rod 12 and a threaded sleeve 11, one end of the cylinder 10 is closed and provided with a through hole 13, the other end of the cylinder is opened and faces the second sheath 2, threads are arranged at two ends of the first connecting rod 12, one end of the first connecting rod 12 is connected with the threaded sleeve 11, and the other end of the first connecting rod penetrates out of the through hole 13 and is fixed by a nut 14;
the other ends of the at least three support rods 3 are connected with a second connecting rod 15, the other end of the second connecting rod 15 is provided with threads and is connected with the threaded sleeve 11, the tail mechanism and the hoisting device are fixed through the second connecting rod 15 by threads, the tail mechanism and the hoisting device can be assembled and disassembled, the outer diameter of the cylinder 10 is smaller than the inner diameter of the central hollow hole precast pile 16, the cylinder 10 can penetrate through a hollow hole 17 of the central hollow hole precast pile 16, so that the short sheets 8 of the at least three tail sheets 7 are in contact with the end edge of the central hollow hole precast pile 16, the inner diameter of the cylinder 10 is smaller than the diameter of the largest circle formed by the short sheets 8 of the at least three tail sheets 7, the inner diameter of the cylinder 10 is larger than the diameter of the smallest circle formed by the long sheets 9 of the at least three tail sheets 7, and when the hoisting device is vertical and does not bear other forces, the circle formed by one end, far away from the bearing rod 5, of the short sheets 8 of the at least three tail sheets 7 is the largest When the cylinder 10 moves along the first connecting rod 12 and the second connecting rod 15 under stress, the at least three tail pieces 7 can be inserted into the cylinder 10 and folded towards the center, so that the hoisting device and the tail mechanism can be separated from the central hollow precast pile 16, the hoisting is completed, and the hoisting device and the tail mechanism are taken out. The hoisting device connected with the tail mechanism is suitable for hoisting operation without precast piles in the casing, and can be used for hoisting operation with more than one section of precast piles with hollow center holes in the casing, but the effect of not connecting the tail mechanism is better, and the butt joint quality between the precast piles can be ensured.
In another technical scheme, one end of at least three support rods 3 is along the circumference evenly distributed of first sheath 1, the other end all is located on the axis of first sheath 1, drum 10 the axis of through-hole 13 all is located on the axis of first sheath 1, further improves the steadiness of skeleton mechanism, makes drum 10 more smooth along the removal of first connecting rod 12, second connecting rod 15 simultaneously.
In another kind of technical scheme, the equal rigid coupling of the one end of at least three bracing piece 3, the other end of at least three bearing bar 5 in the blind end of first sheath 1, rings 4 locate the center in the blind end outside of first sheath 1 further improves the steadiness of skeleton mechanism, and makes rings 4 connect the lifting rope 18 and lift by crane the back, does benefit to the hoist and mount ware and is in vertical state to reduce rocking of hoist and mount ware.
In another technical scheme, the bracing piece 3, the bearing bar 5 the diagonal brace 6 are ribbed steel bars, can improve the steadiness of skeleton mechanism and the bearing capacity of bearing mechanism, and then strengthen the usability of hoist and mount ware.
In another technical scheme, the short piece 8 of the tail piece 7 is connected with the supporting rod 3 to form an included angle of 90 degrees, so that the bearing capacity of the short piece 8 of at least three tail pieces 7 is improved, and the short piece 8 of at least three tail pieces 7 is more stably contacted with the central hollow precast pile 16 in the hoisting operation.
Example 1
When more than one section of central hollow precast pile is arranged in the sleeve, the construction method of the hoisting device is as follows:
firstly, fixing a lifting rope 18 on the lifting ring 4, connecting the lifting rope 18 with a hoisting device, wherein the lifting rope 18 is a steel strand, tying a long rope in the middle of a pre-hoisted precast pile, penetrating the hoisting device from a hollow hole at one end of the pre-hoisted precast pile until short sheets 8 of at least three tail sheets 7 penetrate out of the other end of the pre-hoisted precast pile and contact with the end, hoisting the hoisting device by the lifting rope 18, and at the moment, carefully righting the pre-hoisted precast pile by an earth worker to enable the pre-hoisted precast pile to be in a vertical state, wherein in the process, at least three tail sheets 7 are prevented from contacting the ground, so that the at least three tail sheets 7 are folded towards the center and enter the hollow hole of the pre-hoisted precast pile, and the hoisting device is separated from the pre-hoisted precast pile to cause the failure of hoisting operation;
secondly, hoisting equipment continues to hoist, in the process that the precast pile to be hoisted reaches the sleeve blanking port, an overground worker pulls the long rope, the long rope controls the precast pile to be hoisted to swing, when the precast pile to be hoisted reaches the sleeve blanking port, an upper worker unties the long rope, the hoisting equipment controls the hoisting device to slowly move downwards until the precast pile to be hoisted is inserted into the sleeve, and after the long pieces 9 of at least three tail pieces 7 are inserted into the empty holes of the existing central empty hole precast pile in the sleeve, under the action of the dead weight of the precast pile to be hoisted, the hoisting device continues to fall down, so that at least three tail pieces are folded towards the center, the hoisting device is separated from the precast pile to be hoisted, the precast pile to be hoisted falls due to the dead weight and is butted with the existing central empty hole precast pile below, the hoisting rope 18 is lifted to take out the hoisting device, and finishing the hoisting operation.
Example 2
When no precast pile is arranged in the sleeve, the construction method of the hoisting device is as follows:
firstly, fixing the lifting rope 18 on the lifting ring 4, wherein the lifting rope 18 is a steel strand, the lifting rope 18 is connected with a hoisting device, meanwhile, a long rope is tied in the middle of the precast pile to be hoisted, and the hoisting device is inserted into a hollow hole at one end of the precast pile to be hoisted until the short sheets 8 of at least three tail sheets 7 penetrate out of the other end of the precast pile to be hoisted and are contacted with the end; the hoisting equipment lifts the lifting appliance through the lifting rope 18, the ground worker carefully straightens the pre-lifted precast pile to enable the pre-lifted precast pile to be in a vertical state, the pre-lifted precast pile is lifted to enable the bottom end of the pre-lifted precast pile to be 1.5m away from the ground (the bottom of the lifting appliance is 1.2m away from the ground), the hoisting equipment stops lifting, and the ground worker pulls the long rope in the process to prevent the pre-lifted precast pile from abnormally swinging. After the precast pile to be hoisted stops swinging, connecting a tail mechanism to the hoisting device;
step two, hoisting equipment is started to hoist, in the process that the precast pile to be hoisted reaches the sleeve blanking port from the ground, an overground worker pulls the long rope, the long rope controls the precast pile to be hoisted to swing, when the precast pile to be hoisted reaches the sleeve blanking port, an upper worker unties the long rope, the hoisting equipment controls the hoisting device and the tail mechanism to slowly move downwards until the precast pile to be hoisted is inserted into the sleeve, and the tail mechanism is contacted with the surface of the inner lower end of the sleeve, after the self weight of the precast pile to be hoisted and the counter force of the surface of the inner lower end of the sleeve, the cylinder 10 moves upwards along the first connecting rod 12, so that at least three tail pieces 7 are inserted into the cylinder 10, the at least three tail pieces 7 are folded towards the center and enter the hollow hole of the precast pile to be hoisted, and the tail mechanism are separated from the precast pile to be hoisted, the precast pile to be hoisted falls to the surface of the lower end in the sleeve due to self weight, the hoisting rope 18 is lifted to take out the hoisting device and the tail mechanism, and hoisting operation is completed.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (6)
1. A hoist and mount ware for hoisting center hole precast pile, its characterized in that includes:
the framework mechanism comprises a first sheath, a second sheath and at least three support rods, wherein a hanging ring is arranged on the first sheath, one ends of the at least three support rods are all inserted into the first sheath and fixedly arranged on the first sheath, the other ends of the at least three support rods are combined and fixedly connected to one point, the second sheath is fixedly sleeved on the periphery of the at least three support rods and is close to the other ends of the at least three support rods, the first sheath is a hollow cylinder with one closed end and the other open end, the second sheath is a cylinder with two open ends, the inner diameter of the first sheath is equal to that of the second sheath, and the length of each support rod is 1.2-1.5 m;
the bearing mechanism is accommodated in the framework mechanism and comprises at least three bearing rods, at least three diagonal support rods and at least three tail pieces, the tail piece is a bent piece body formed by integrally forming a short piece and a long piece, a bearing rod is provided with an inclined stay bar and the tail piece, wherein, one end of one bearing rod is fixedly connected with the short piece of one tail piece, one end of one diagonal brace is fixedly connected on the bearing rod, the other end is fixedly connected on the long piece of the tail piece, the other ends of at least three bearing rods are combined and fixedly connected at one point and fixedly arranged on the first sheath, at least three diagonal braces are distributed in a divergent way relative to the axial direction of the first sheath and are positioned at one end of the second sheath far away from the first sheath, the long pieces of the at least three tail pieces are folded towards the axial direction of the first sheath, and each tail piece is positioned between two adjacent supporting rods;
when the hoisting device hoists the central hollow precast pile, the short pieces of the at least three tail pieces are in contact with the end edge of the central hollow precast pile.
2. The hoisting device for hoisting the hollow precast pile in the center according to claim 1, further comprising:
the tail mechanism comprises a cylinder, a first connecting rod and a threaded sleeve, wherein one end of the cylinder is closed and provided with a through hole, the other end of the cylinder is opened and faces the second sheath, threads are arranged at two ends of the first connecting rod, one end of the first connecting rod is connected with the threaded sleeve, and the other end of the first connecting rod penetrates out of the through hole and is fixed by a nut;
the other ends of the at least three support rods are connected with a second connecting rod, threads are arranged at the other ends of the second connecting rods and are connected with threaded sleeves, the outer diameter of the cylinder is smaller than the inner diameter of the central hollow hole precast pile, the inner diameter of the cylinder is smaller than the diameter of the largest circle formed by the short pieces of the at least three tail pieces, and the inner diameter of the cylinder is larger than the diameter of the smallest circle formed by the long pieces of the at least three tail pieces.
3. The hoisting device for hoisting the hollow precast pile according to claim 2, wherein one end of at least three support rods is uniformly distributed along the circumference of the first sheath, the other end of each support rod is located on the axis of the first sheath, and the axes of the cylinder and the through hole are located on the axis of the first sheath.
4. The hoisting device for hoisting the hollow precast pile according to claim 1, wherein one end of at least three support rods and the other end of at least three bearing rods are fixedly connected to the closed end of the first sheath, and the hoisting ring is arranged at the center of the outer side of the closed end of the first sheath.
5. The hoisting device for hoisting the hollow precast pile according to claim 1, wherein the supporting rod, the bearing rod and the inclined supporting rod are all ribbed steel bars.
6. A hoisting device for hoisting a hollow precast pile according to claim 1, wherein the angle formed between the short piece of the tail piece and the supporting rod connected with the short piece of the tail piece is 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922406406.0U CN211644310U (en) | 2019-12-27 | 2019-12-27 | Hoisting device for hoisting hollow prefabricated pile in center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922406406.0U CN211644310U (en) | 2019-12-27 | 2019-12-27 | Hoisting device for hoisting hollow prefabricated pile in center |
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| Publication Number | Publication Date |
|---|---|
| CN211644310U true CN211644310U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922406406.0U Active CN211644310U (en) | 2019-12-27 | 2019-12-27 | Hoisting device for hoisting hollow prefabricated pile in center |
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| CN (1) | CN211644310U (en) |
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