CN214527655U - Tail lifting appliance for lifting prefabricated pier body - Google Patents
Tail lifting appliance for lifting prefabricated pier body Download PDFInfo
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- CN214527655U CN214527655U CN202023220213.5U CN202023220213U CN214527655U CN 214527655 U CN214527655 U CN 214527655U CN 202023220213 U CN202023220213 U CN 202023220213U CN 214527655 U CN214527655 U CN 214527655U
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- prefabricated pier
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Abstract
The utility model discloses a lift afterbody hoist of hanging prefabricated pier shaft is used for hoist and mount through hoisting machine with the head hoist prefabricated pier shaft, the afterbody hoist includes: the prefabricated pier body clamping device comprises a pair of oppositely arranged clamping devices, two cross beams are transversely arranged between the pair of clamping devices at intervals, the two cross beams and the pair of clamping devices jointly form a square clamping groove for placing and clamping the prefabricated pier body, and the length of each clamping device can be adjusted so as to adjust the space of the clamping groove; and the top connecting mechanism is connected to the clamping device, and the top of the clamping device is hinged with the top connecting mechanism, so that the clamping device can be horizontally hinged and rotated in the opening direction of the clamping groove. The utility model discloses have, after lifting and hanging the mound body, vertical release mound body avoids the jack-up overhead traveling crane to hang and stable in structure to one side, the technological effect that the efficiency of construction is high. But wide application in prefabricated pier shaft hoist device technical field.
Description
Technical Field
The utility model relates to a prefabricated pier shaft hoist device technical field. More specifically speaking, the utility model relates to a lift afterbody hoist of hanging prefabricated pier shaft.
Background
The traditional lifting appliance for lifting the prefabricated pier body is provided with a carrying pole beam, and the upper part of the carrying pole beam can be connected with a steel wire rope or other ropes; the pier body is connected by a steel wire rope or other ropes; the traditional lifting appliance for lifting the prefabricated pier body depends on manual unhooking and hooking; when one crown block of a traditional lifting appliance for lifting and prefabricating the pier body is released from constraint, the other lifting appliance cannot be connected to the bottom of the pier body at high altitude and cannot be transported back to the tail of the bridge erecting machine.
In realizing the utility model discloses an in-process, utility model human finds that prior art has following problem at least: the lifting appliance is connected with the pier body by manually installing and removing the lifting appliance; when the pier body is horizontally transported from the tail part to the front part, the overhead travelling crane at the tail part has the inclined-pulling and inclined-hanging phenomenon in the vertical standing process; after the contact of afterbody hoist and the connection of pier shaft, if the pier shaft does not possess installation condition or installation condition changes, want to transport the pier shaft back to the bridge girder erection machine afterbody, afterbody hoist can't be connected with the pier shaft in the air this moment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stable in structure's lift and hang afterbody hoist of prefabricated pier shaft.
In order to realize the basis the utility model discloses a these purposes and other advantages provide a lift and hang afterbody hoist of prefabricated pier shaft, be used for hoist and mount through hoisting machine structure cooperation with the head hoist prefabricated pier shaft, the afterbody hoist includes:
the prefabricated pier body clamping device comprises a pair of oppositely arranged clamping devices, two cross beams are transversely arranged between the pair of clamping devices at intervals, the two cross beams and the pair of clamping devices jointly form a square clamping groove for placing and clamping the prefabricated pier body, and the length of each clamping device can be adjusted so as to adjust the space of the clamping groove;
and the top connecting mechanism is connected to the clamping device, and the top of the clamping device is hinged with the top connecting mechanism, so that the clamping device can be horizontally hinged and rotated in the opening direction of the clamping groove.
Preferably, the top connecting mechanism comprises a rotating beam which is horizontally arranged right above the clamping device and is hinged with the clamping device through a connecting hinge rod.
Preferably, the pair of clamping devices is a pair of first hydraulic oil cylinders, and two end parts of the first hydraulic oil cylinders are respectively connected between the pair of cross beams of the clamping groove.
Preferably, still include a pair of second hydraulic cylinder, constitute by cylinder and piston rod, it is a pair of the cylinder of second hydraulic cylinder sets up through a pair of protrusion ear seat on the gyration crossbeam lateral wall is corresponding articulated, a pair of hydraulic cylinder the piston rod is corresponding to be connected and is located on the crossbeam of clamping groove bottom, wherein, when clamping device is vertical state, the piston rod for the cylinder is longest extension state, works as clamping device is relative when top coupling mechanism takes place to articulate and rotates for vertical state, the piston rod is relative the cylinder is shortest extension state.
Preferably, the clamping device further comprises a counterweight device which is arranged at the top of the clamping groove.
Preferably, the top connecting mechanism further comprises a rotating device, the rotating device is arranged above the rotary cross beam and used for adjusting the radial position of the clamping device, and the top of the rotating device is connected with the hoisting mechanism.
Preferably, the top connecting structure further comprises a bidirectional hinged support, one end of the bidirectional hinged support is hinged to the bottom of the rotating device, and the other end of the bidirectional hinged support is hinged to the upper portion of the rotating beam.
Preferably, the side wall of the cylinder barrel of the second telescopic cylinder is provided with a plurality of baffle plates, each baffle plate is of an L-shaped structure consisting of a transverse plate and a vertical plate, each vertical plate is fixedly connected with the cylinder barrel, each transverse plate extends into the corresponding opening of the corresponding clamping groove and interferes with the corresponding path of the corresponding opening, and when the prefabricated pier body extends into the corresponding clamping groove, the prefabricated pier body is just supported and clamped on the corresponding transverse plate.
A construction method for lifting and hoisting a tail lifting appliance of a prefabricated pier body comprises the following steps:
s1, lowering a tail lifting appliance for lifting and hoisting a prefabricated pier body to the prefabricated pier body, horizontally sleeving the clamping groove on the outer side of the horizontal prefabricated pier body, and then tightening the first hydraulic oil cylinder to clamp the side wall of the prefabricated pier body;
and S2, lifting the tail lifting appliance and the head lifting appliance for lifting the prefabricated pier body simultaneously, moving the prefabricated pier body to the installation position, starting to lift the head lifting appliance, moving the tail lifting appliance for lifting the prefabricated pier body to the direction of the head lifting appliance, and gradually contracting the piston rod of the second hydraulic cylinder to the shortest extension state to change the prefabricated pier body from the horizontal state to the vertical state.
The utility model discloses at least, include following beneficial effect:
1. can be automatically connected with the pier body and also can be automatically disconnected with the pier body, thereby reducing the overhead operation and improving the erection efficiency.
2. By adopting the foldable eccentric design, the pier body can be vertically released after the pier body is lifted and hung, so that the hoisting overhead traveling crane is prevented from being obliquely hung.
3. In a vertical state, the head lifting appliance lifts the pier body, and the rear lifting appliance is directly transferred into the pier body from the lower part to lift, so that the problem of automatic connection of the pier body in the air is solved.
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 front structural view of a tail lifting appliance for lifting and hoisting a prefabricated pier body of the utility model;
fig. 2 is a schematic side view of a tail sling of the prefabricated pier body for lifting and hoisting of the utility model;
fig. 3 is a first lifting state diagram of the prefabricated pier body lifted by the head lifting appliance and the tail lifting appliance of the utility model;
fig. 4 is the utility model discloses the hoist and mount state diagram two of prefabricated pier shaft of head hoist, afterbody hoist and mount.
The specification reference numbers indicate: 1. the device comprises a head lifting appliance, a tail lifting appliance, a clamping device, a clamping groove, a beam, a rotating beam, a two-way hinged support, a rotating device, a connecting hinged rod, a bidirectional hinged support, a counterweight, a first hydraulic cylinder, a second hydraulic cylinder, a lug support, a prefabricated pier body and a baffle plate, wherein the head lifting appliance 2, the tail lifting appliance 3, the clamping device 4, the clamping groove 5, the beam, 6, the rotating beam, 7, the two-way hinged support, 8, the rotating device 9, the connecting hinged rod 10, the counterweight, 11, the first hydraulic cylinder, 12, the second hydraulic cylinder, 13, the lug support, 14, the prefabricated pier body, 15 and the baffle plate are arranged in a prefabricated pier body.
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.
In the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-4, a tail lifting appliance for lifting a prefabricated pier body is used for lifting the prefabricated pier body 14 in cooperation with a head lifting appliance 1 through a lifting mechanism, and the tail lifting appliance 2 includes:
the prefabricated pier comprises a pair of oppositely arranged clamping devices 3, two cross beams 5 are transversely arranged between the pair of clamping devices 3 at intervals, the two cross beams 5 and the pair of clamping devices 3 jointly form a square clamping groove 4 for placing and clamping the prefabricated pier body 14, and the length of each clamping device 3 can be adjusted so as to adjust the space of the corresponding clamping groove 4;
and the top connecting mechanism is connected to the clamping device 3, and the top of the clamping device 3 is hinged with the top connecting mechanism, so that the clamping device 3 can be horizontally hinged and rotated in the opening direction of the clamping groove 4.
In the above technical scheme, the tail lifting appliance 2 and the head lifting appliance 1 are matched with each other to lift the prefabricated pier body 14, so as to complete the lifting and moving of the prefabricated pier body 14, the head lifting appliance 1 lifts one end of the prefabricated pier body 14 through an external lifting tool, and the other end of the prefabricated pier body 14 is clamped through the clamping groove 4 of the tail lifting appliance 2.
When the tail lifting appliance 2 is in a vertical state in the initial state of the installation step, the lifting angle of the tail lifting appliance 2 is adjusted by the rotating device 8 to enable the tail lifting appliance to be matched with the position of the prefabricated pier body 14, then the tail lifting appliance 2 is moved, the square clamping groove 4 is horizontally nested into the outer portion of the prefabricated pier body 14, the first hydraulic oil cylinder 11 contracts to reach a prefabricated contraction pressure value, and the clamping process is completed; after the head lifting appliance 1 is moved to the prefabricated installation position, the movement is stopped, the tail lifting appliance 2 is placed under the pier body and gradually approaches the head pier body, and in the approach process, the second telescopic oil cylinder gradually shrinks along with the approaching speed until the prefabricated pier body 14 is placed and is changed from the horizontal state to the vertical state;
further, the head spreader 1 is a conventional spreader, and is lifted by a crane.
In another technical scheme, the top connecting mechanism comprises a rotating cross beam 6 which is horizontally arranged right above the clamping device 3 and is hinged with the clamping device 3 through a connecting hinge rod 9.
In another technical scheme, the pair of clamping devices 3 is a pair of first hydraulic oil cylinders 11, and two end parts of the first hydraulic oil cylinders 11 are respectively connected between the pair of cross beams 5 of the clamping groove 4.
In the technical scheme, the clamping capacity of the clamping groove 4 is controlled by controlling the telescopic amount of the telescopic end of the first hydraulic oil cylinder 11.
In another technical scheme, still include a pair of second hydraulic cylinder 12, constitute by cylinder and piston rod, it is a pair of the cylinder of second hydraulic cylinder 12 sets up through a pair of protrusion ear seat 13 on the slewing cross beam 6 lateral wall is corresponding articulated, a pair of hydraulic cylinder the piston rod is corresponding to be connected and is being located on the crossbeam 5 of clamping groove 4 bottom, wherein, when clamping device 3 is vertical state, the piston rod for the cylinder is the longest extension state, works as clamping device 3 is relative when top coupling mechanism takes place to articulate and rotates for vertical state, the piston rod is relative the cylinder is the shortest extension state.
In the technical scheme, the telescopic equivalent of the second hydraulic cylinder 12 is consistent with that of the prefabricated pier body 14 in the hoisting and moving process, so that the prefabricated pier body 14 is ensured to be slowly changed from a horizontal state to a vertical state, the second hydraulic cylinder 12 is slowly changed from a maximum extension state to a minimum extension state, and when the prefabricated pier body 14 is completely changed into a vertical state, the second telescopic cylinder 12 is in a minimum telescopic state;
furthermore, the first hydraulic oil cylinder and the second hydraulic oil cylinder can be controlled to stretch out and draw back by adopting a remote PLC control system.
In another technical scheme, the device further comprises a counterweight device which is arranged at the top of the clamping groove 4.
In above-mentioned technical scheme, the balancing weight device is metal or the balancing weight 10 of increase and decrease volume, carries out reasonable counter weight according to unrealistic construction environment, avoids whole hoist emergence to rock in hoist and mount process and influences the construction progress.
In another technical scheme, the top connecting mechanism further comprises a rotating device 8 which is arranged above the rotating beam 6 and used for adjusting the radial position of the clamping device 3, and the top of the rotating device 8 is connected with the hoisting mechanism.
In another technical solution, the top connecting structure further includes a bidirectional hinge base 7, one end of which is hinged to the bottom of the rotating device 8, and the other end of which is hinged to the upper side of the rotating beam 6.
In another technical scheme, a plurality of baffle plates 15 are arranged on the side wall of the cylinder barrel of the second telescopic cylinder, each baffle plate 15 is of an L-shaped structure consisting of a transverse plate and a vertical plate, each vertical plate is fixedly connected with the cylinder barrel, each transverse plate extends into the opening of the corresponding clamping groove 4 and interferes with the path of the corresponding opening, and when the prefabricated pier body 14 extends into the corresponding clamping groove 4, the prefabricated pier body is just supported and clamped on the transverse plates.
A construction method for lifting and hanging a tail lifting appliance 2 of a prefabricated pier body 14 comprises the following steps:
step S1, lowering the tail lifting appliance 2 for lifting and hoisting the prefabricated pier body 14 to the prefabricated pier body 14, horizontally sleeving the clamping groove 4 on the outer side of the horizontal prefabricated pier body 14, and then tightening the first hydraulic oil cylinder 11 to clamp the side wall of the prefabricated pier body 14;
step S2, lifting the tail spreader 2 and the head spreader 1 of the lifted prefabricated pier body 14, moving the prefabricated pier body 14 to an installation position, starting to lift the head spreader 1, moving the tail spreader 2 of the lifted prefabricated pier body 14 toward the head spreader 1, and gradually contracting the piston rod of the second hydraulic cylinder 12 to the shortest extension state to change the prefabricated pier body 14 from a horizontal state to a vertical state.
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 (8)
1. The utility model provides a lift afterbody hoist of hanging prefabricated pier shaft, is used for hoist and mount through hoisting machine with the head hoist prefabricated pier shaft, its characterized in that, the afterbody hoist includes:
the prefabricated pier body clamping device comprises a pair of oppositely arranged clamping devices, two cross beams are transversely arranged between the pair of clamping devices at intervals, the two cross beams and the pair of clamping devices jointly form a square clamping groove for placing and clamping the prefabricated pier body, and the length of each clamping device can be adjusted so as to adjust the space of the clamping groove;
and the top connecting mechanism is connected to the clamping device, and the top of the clamping device is hinged with the top connecting mechanism, so that the clamping device can be horizontally hinged and rotated in the opening direction of the clamping groove.
2. The tail lifting appliance for lifting and hoisting the prefabricated pier body according to claim 1, wherein the top connecting mechanism comprises a rotating cross beam which is horizontally arranged right above the clamping device and is hinged with the clamping device through a connecting hinge rod.
3. The tail lifting appliance for lifting and hoisting the prefabricated pier body according to claim 1, wherein the pair of clamping devices are a pair of first hydraulic oil cylinders, and two end parts of the first hydraulic oil cylinders are respectively connected between the pair of cross beams of the clamping grooves.
4. The tail lifting appliance for lifting and hoisting the prefabricated pier shaft according to claim 2, further comprising a pair of second hydraulic cylinders, each of which consists of a cylinder barrel and a piston rod, wherein the cylinder barrels of the second hydraulic cylinders are correspondingly hinged through a pair of lug seats which are convexly arranged on the side wall of the rotary cross beam, and the piston rods of the hydraulic cylinders are correspondingly connected to a cross beam positioned at the bottom of the clamping groove, wherein when the clamping device is in a vertical state, the piston rods are in a longest extension state relative to the cylinder barrels, and when the clamping device is in a vertical state relative to the top connecting mechanism in a hinged rotation manner, the piston rods are in a shortest extension state relative to the cylinder barrels.
5. The tail lifting appliance for lifting and hoisting the prefabricated pier body according to claim 1, further comprising a counterweight device arranged at the top of the clamping groove.
6. The tail lifting appliance for lifting and hoisting the prefabricated pier body according to claim 2, wherein the top connecting mechanism further comprises a rotating device arranged above the rotating cross beam and used for adjusting the radial position of the clamping device, and the top of the rotating device is connected with the hoisting mechanism.
7. The tail lifting appliance for lifting and hoisting the prefabricated pier body according to claim 6, wherein the top connecting mechanism further comprises a bidirectional hinged support, one end of the bidirectional hinged support is hinged to the bottom of the rotating device, and the other end of the bidirectional hinged support is hinged above the rotating cross beam.
8. The tail lifting appliance for lifting and hoisting the prefabricated pier shaft according to claim 4, wherein a plurality of baffle plates are arranged on the side wall of the cylinder barrel of the second hydraulic cylinder, each baffle plate is of an L-shaped structure consisting of a transverse plate and a vertical plate, each vertical plate is fixedly connected with the cylinder barrel, each transverse plate extends into the corresponding opening of the corresponding clamping groove and interferes with the corresponding path of the corresponding opening, and when the prefabricated pier shaft extends into the corresponding clamping groove, the prefabricated pier shaft is just supported and clamped on the transverse plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023220213.5U CN214527655U (en) | 2020-12-28 | 2020-12-28 | Tail lifting appliance for lifting prefabricated pier body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023220213.5U CN214527655U (en) | 2020-12-28 | 2020-12-28 | Tail lifting appliance for lifting prefabricated pier body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214527655U true CN214527655U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023220213.5U Active CN214527655U (en) | 2020-12-28 | 2020-12-28 | Tail lifting appliance for lifting prefabricated pier body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214527655U (en) |
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2020
- 2020-12-28 CN CN202023220213.5U patent/CN214527655U/en active Active
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