CN218434629U - Lifting frame for tower type pier construction - Google Patents
Lifting frame for tower type pier construction Download PDFInfo
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- CN218434629U CN218434629U CN202222523402.2U CN202222523402U CN218434629U CN 218434629 U CN218434629 U CN 218434629U CN 202222523402 U CN202222523402 U CN 202222523402U CN 218434629 U CN218434629 U CN 218434629U
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Abstract
The utility model provides a tower type lifting frame for pier construction, which is a segmented sleeved structure and comprises a lifting frame top, a lifting frame middle part, a lifting frame tail part, a lifting frame expansion device and a lifting frame fixing device which are connected in sequence; the middle part of the lifting frame is formed by sequentially connecting a plurality of movable joints; the lifting frame telescopic device can drive the lifting frame top, the lifting frame middle part and the lifting frame tail part to perform self-telescopic motion to a preset position, and after each movable joint at the lifting frame top and the lifting frame middle part and the lifting frame tail part move relatively to the preset position, the movable joints and the lifting frame tail part are fixed through the lifting frame fixing device. The utility model is a telescopic tower frame which can be rapidly lifted and lowered, can be suitable for pouring piers with different heights and has wide application range; during transportation, the multi-stage lifting frame retracts, the number of transportation vehicles is reduced, and convenience and rapidness are realized.
Description
Technical Field
The utility model belongs to the technical field of the pier construction technique and specifically relates to a tower posture hoisting frame for pier construction is related to.
Background
In bridge design, a pillar pier is a commonly adopted structural form. The construction of the bridge pier is one of key control nodes of bridge construction, and the hydraulic self-creeping formwork and rollover construction are common in the bridge pier construction of the bridge in the prior art.
The hydraulic self-climbing formwork is one common construction process for in-situ casting vertical reinforced concrete structure in high building or high-rise structure, and is one assembled formwork in the plane size around the structure. In the whole process, the template is assembled once and does not fall to the ground, and the climbing motion of the climbing formwork is realized by alternately jacking the guide rail and the climbing frame through the hydraulic oil cylinder. When the mould climbing frame works, the guide rail and the mould climbing frame are both supported on the embedded part support, and relative movement does not exist between the guide rail and the mould climbing frame. The construction method comprises the following steps that a scaffold which is highly matched with a pier is pre-erected around the pier to be constructed by constructors, the constructors carry construction materials through the scaffold, and pouring construction is carried out on the pier by adopting a template.
The formwork overturning construction is that the formwork is divided into a plurality of sections in the vertical direction of a building to be assembled, the uppermost formwork is reserved as a base to be not disassembled when the next section is constructed, the uppermost formwork is simultaneously used as a stress layer to support the formwork above, and the lower layers of the formworks are sequentially overturned upwards by utilizing lifting equipment, so that the formwork overturning construction is the most common pier construction process.
The pier construction device and the pier construction method in the prior art obviously have the following defects:
1. in the climbing formwork method, after the pier concrete reaches the set strength, the formwork is dismantled and moved upwards by a crane. Need set up with the scaffold frame of pier high adaptation, occupation material is many, and disposable expense input is great, also has the longer problem of construction cycle simultaneously.
2. In the turnover construction, the template is circularly hoisted, the requirement on mechanical command operation is higher, the construction safety risk value is large, after the pier stud is lifted, the time consumed for installing and disassembling the turnover construction template is prolonged, the cycle period is prolonged, and the construction period is not easy to control.
Therefore, it is necessary to develop a tower pier construction apparatus, one of core components of which is a lifting frame, to overcome the above problems. There is an urgent need in the market for a lifting frame to satisfy the improvement of the defects of the existing pier construction device.
SUMMERY OF THE UTILITY MODEL
For solving the problem among the prior art, the utility model provides a hoisting frame is used in construction of pylon formula pier, when this hoisting frame is used for the construction of pylon formula construction equipment, be favorable to improving the efficiency of construction, be favorable to reducing construction intensity of labour. Simultaneously, this hoisting frame can stretch out and draw back, and the hoisting frame middle part has a plurality of movable joints to connect and forms, when needs extend, can carry out the independent assortment, prolongs or shortens to satisfy different construction height requirements.
In order to achieve the above object, the utility model provides a following technical scheme: a lifting frame for tower type bridge pier construction is of a segmented sleeved structure and comprises a lifting frame top, a lifting frame middle part, a lifting frame tail part, a lifting frame expansion device and a lifting frame fixing device, wherein the lifting frame top, the lifting frame middle part, the lifting frame tail part, the lifting frame expansion device and the lifting frame fixing device are sequentially connected; the middle part of the lifting frame is formed by sequentially connecting a plurality of movable joints; the lifting frame telescopic device can drive the lifting frame top, the lifting frame middle part and the lifting frame tail part to perform self-telescopic motion to a preset position, and after each movable joint at the lifting frame top and the lifting frame middle part and the lifting frame tail part move relatively to the preset position, the lifting frame top, the lifting frame middle part and each section of the lifting frame tail part are fixed through the lifting frame fixing device.
According to the preferred technical scheme, the lifting frame telescopic device comprises a lifting pulley block arranged at the top of the lifting frame, a supporting pulley block arranged at the tail part of the lifting frame, a lifting pulley block and a supporting pulley block arranged on each movable joint in the middle of the lifting frame, a lifting frame winch and a plurality of sections of steel wire ropes;
wherein, the winding mode of the wire rope connecting the top of the hoisting frame and the middle part of the hoisting frame is as follows: one end of the steel wire rope is fixed at the top of the lifting frame, bypasses a lifting pulley block arranged at the top of the lifting frame, bypasses a supporting pulley block on a movable joint close to the top of the lifting frame, and is fixed on a movable joint adjacent to the movable joint close to the top of the lifting frame;
the winding mode of the steel wire rope connected between the movable joints in the middle of the hoisting frame is as follows: one end of the steel wire rope is fixed on a movable joint in the middle of the lifting frame, bypasses a lifting pulley block arranged on the movable joint, bypasses a supporting pulley block on the adjacent movable joint and is fixed on the spaced movable joints;
the winding mode of the steel wire rope connecting the middle part of the lifting frame and the tail part of the lifting frame is as follows: one end of the steel wire rope is fixed on the movable joint close to the tail part of the lifting frame, bypasses the lifting pulley block arranged on the movable joint close to the tail part of the lifting frame, then bypasses the supporting pulley block on the tail part of the lifting frame, and is connected with the lifting frame winch fixed on the tail part of the lifting frame.
According to the preferable technical scheme, the lifting frame fixing device comprises a pin oil cylinder, a guide sleeve, a connecting sleeve and a pin, wherein the guide sleeve, the connecting sleeve and the pin are arranged on each section of the lifting frame; when the hoisting frame winch drags the steel wire rope to hoist the hoisting frame to a preset corresponding position, the guide sleeve and the connecting sleeve on the corresponding section of the hoisting frame for tower type pier construction are aligned, the pin oil cylinder pushes the pin to be inserted into the corresponding guide sleeve and the corresponding connecting sleeve to fix each section of the hoisting frame for tower type pier construction, and the hoisting frame for tower type pier construction is locked.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the lifting frame of the utility model is a telescopic tower frame, can be quickly lifted, can adapt to pouring of piers with different heights, and has wide application range; during transportation, the multi-stage lifting frame retracts, the number of transportation vehicles is reduced, and convenience and rapidness are realized.
2. The utility model discloses a hoisting frame adopts wire rope and winch complex mode to go up and down to each section of hoisting frame for whole lift is steady more reliable.
3. The utility model discloses a fixing device of hoisting frame adopts the pin hydro-cylinder and carries out the mode of mutually supporting between uide bushing, adapter sleeve, the pin and lock and loosen each section of hoisting frame, and whole locking is reliable and convenient.
Drawings
Fig. 1 is a schematic view of the telescopic principle of the lifting frame of the present invention.
Fig. 2 is the overall structure schematic diagram of the lifting frame of the present invention.
Fig. 3 is a schematic view of the overhead structure of the hoisting frame of the present invention.
Fig. 4 is an enlarged schematic view of the point i in fig. 3.
Fig. 5 is a schematic view of the connection structure of the pin cylinder, the guiding sleeve, the connecting sleeve and the pin of the present invention.
Fig. 6 is an overall structure schematic diagram of a tower pier construction device using the lifting frame of the present invention.
Fig. 7 is a schematic structural diagram of a base assembly of a tower pier construction device using the lifting frame of the present invention.
Fig. 8 is a schematic structural diagram of an electric cradle of a tower pier construction device using the lifting frame of the present invention.
Fig. 9 is an application of the utility model discloses the local installation schematic diagram of operation platform, hoist and mount beam assembly, the template system of tower pier construction equipment of hoisting frame.
Fig. 10 is a schematic view of a partial three-dimensional structure of a tower pier construction device to which the hoisting frame of the present invention is applied.
Fig. 11 is an application the utility model discloses the staple bolt structure schematic diagram of righting of tower pier construction equipment of hoisting frame.
Detailed Description
The embodiment of the lifting frame for tower pier construction of the present invention is further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1 to 5, the hoisting frame 3 includes an electric or hydraulic winch 20, a first hoisting frame section 21, a second hoisting frame section 22, a third hoisting frame section 23, a fourth hoisting frame section 24, a hoisting pulley block 25, a supporting pulley block 26, a wire rope 27, a pin cylinder 28, a guide block 30, an L-shaped guide plate 31, a guide sleeve 33, a connecting sleeve 34, and a pin 35.
Hoisting frame 3 is the suit formula, and I section 21 inside suit hoisting frame II sections 22 of hoisting frame, the III sections 23 of the inside suit hoisting frame of II sections 22 of hoisting frame, the IV section 24 of the inside suit hoisting frame of III sections 23 of hoisting frame, according to this structure, can suit multistage hoisting frame. Four corners of the sleeved lifting frame 3 are provided with telescopic guide devices of the lifting frame 3, and the guide devices comprise guide blocks 30 and L-shaped guide plates 31. The power for extending and retracting the lifting frame is provided by an electric or hydraulic winch 20, and the electric or hydraulic winch 20 is arranged on a lifting frame I section 21. Lifting principle of lifting frame II section 22: a steel wire rope 27 is wound on a roller of the electric or hydraulic winch 20, the steel wire rope 27 bypasses a supporting pulley block 26 on the upper portion of the I section 21 of the lifting frame and then bypasses a lifting pulley block 25 on the lower portion of the II section 22 of the lifting frame, the tail end of the steel wire rope 27 is fixed on the II section 22 of the lifting frame, when the roller of the electric or hydraulic winch 20 winds the rope, the steel wire rope 27 pulls the II section 22 of the lifting frame to lift, and when the roller of the electric or hydraulic winch 20 releases the rope, the II section 22 of the lifting frame descends under the action of gravity. Lifting principle of III sections 23 of lifting frame: wire rope 27 one end is fixed on I section 21 of hoisting frame, walks around II sections 22 of hoisting frame support pulley block 26, walks around III sections 23 lower part hoisting pulley block 25 of hoisting frame again, and wire rope 27's the other end is fixed on III sections 23 of hoisting frame, and when II sections 22 of hoisting frame rose, wire rope 27 pulling III sections 23 of hoisting frame promoted, and when II sections 22 of hoisting frame descended, III sections 23 of hoisting frame descended under the action of gravity. The lifting principle of the lifting frame IV section 24 and the lifting frame behind the lifting frame IV section is the same as that of the lifting frame III section 23. After each section of the lifting frame 3 is lifted in place, the lifting frame 3 is fixed by the pin components on each section. As shown in fig. 5 (where fig. 5 is a top sectional view), the pin assembly includes a pin cylinder 28, a guide sleeve 33, a coupling sleeve 34, and a pin 35. The guide sleeve 33 and the connecting sleeve 34 are respectively fixed on the corresponding two-stage lifting frame, the piston rod of the oil cylinder of the pin 28 extends out to push the pin 35 to penetrate through the guide sleeve 33 and the connecting sleeve 34, the corresponding pin 35, the guide sleeve 33 and the connecting sleeve 34 are connected into a whole, the corresponding two-stage lifting frame is locked, and sleeving and fixing are achieved. The piston rod of the pin oil cylinder 28 retracts, the pin 35 is pulled to retract, the guide sleeve 33 and the connecting sleeve 34 are separated, and the lifting frame 3 is lifted and unlocked.
In order to further explain the utility model discloses an use scene and theory of operation please refer to and use as follows the utility model discloses the tower posture pier construction equipment of hoisting frame.
The application example is as follows:
as shown in fig. 1 to 11, the utility model discloses tower pier construction equipment of hoisting frame has been used includes base assembly 1, electronic hanging flower basket 2, hoisting frame 3, rights staple bolt 4, template system 5, operation platform 6, hoist and mount roof beam assembly 7. When the single bridge pier is constructed, the tower type bridge pier construction device is arranged on the side surface of the single bridge pier; during double-pier construction, the tower type pier construction device is arranged in the middle of the double piers. Lifting the lifting frame 3 to a proper height, and fixing the lifting frame 3 by a remote control pin oil cylinder 28; the staff takes electronic hanging flower basket 2 to suitable position, installation centralizes staple bolt 4, and the template system 5 is hung to the electronic winch on the hoist and mount roof beam assembly 7, and the constructor reaches operation platform 6 through electronic hanging flower basket 2, alright carry out the pier and pour. During the construction of the double bridge piers, the hoisting beam assembly 7 can be rotated by 180 degrees, and the construction of the bridge piers on the other side can be carried out.
The base assembly 1 comprises a base hoop 10, a base main body 11, a base ladder stand 12, a base ear plate 13, a buffer oil cylinder 14, a clamping device 15, a mechanical jack 16 and a support leg beam 17. The base hoop 10 is divided into two semicircles or multiple petals, is connected by bolts and is tightly held on a pre-poured pier, and a rubber pad is arranged between the base hoop 10 and the pier to prevent the pier from being damaged. The base hoop 10 provides partial supporting force for the base assembly 1, and the friction force between the base hoop 10 and the pier stud can prevent the support from rotating. The base main body 11 and the base hoop 10 are connected through ear plate pins, and the main function of the base main body 11 is to support the whole tower type pier construction device. The base ladder stand 12 is installed on the base main body 11, and the base ladder stand 12 can be a hanging ladder and is directly hung on the base main body 11. Or the base ladder stand 12 and the base main body 11 are connected by a pin lug plate. The base body 11 is welded with a base ear plate 13 for connecting the lifting frame 3. The hydraulic cushion cylinder 14 is installed on the base body 11, and plays a role in buffering when the lifting frame 3 is installed or lowered. The mechanical jack 16 is mounted on the base main body 11, the mechanical jack 16 is of a screw rod structure, the length of the mechanical jack 16 can be adjusted, and the mechanical jack 16 bears the other part of load of the base main body 11. The mechanical jack 16 is supported at the bottom on a leg beam 17, and the leg beam 17 is supported on a cross beam between two piers. And the supporting leg beam 17 is provided with a clamping device 15, the clamping device 15 is provided with a screw rod adjusting mechanism, and the two sides of the beam between the two piers are clamped to prevent the base from rotating.
The lifting frame 3 comprises an electric or hydraulic winch 20, a lifting frame I section 21, a lifting frame II section 22, a lifting frame III section 23, a lifting frame IV section 24, a lifting pulley block 25, a supporting pulley block 26, a steel wire rope 27, a pin oil cylinder 28, a guide block 30, an L-shaped guide plate 31, a guide sleeve 33, a connecting sleeve 34 and a pin 35.
Hoisting frame 3 is the suit formula, and I section 21 inside suit hoisting frame II sections 22 of hoisting frame, the III sections 23 of the inside suit hoisting frame of II sections 22 of hoisting frame, the IV section 24 of the inside suit hoisting frame of III sections 23 of hoisting frame, according to this structure, can suit multistage hoisting frame. Four corners of the sleeved lifting frame 3 are provided with telescopic guide devices of the lifting frame 3, and the guide devices comprise guide blocks 30 and L-shaped guide plates 31. The power for extending and retracting the lifting frame is provided by an electric or hydraulic winch 20, and the electric or hydraulic winch 20 is arranged on a lifting frame I section 21. Lifting principle of lifting frame II section 22: a steel wire rope 27 is wound on a roller of the electric or hydraulic winch 20, the steel wire rope 27 bypasses a supporting pulley block 26 on the upper portion of the I section 21 of the lifting frame and then bypasses a lifting pulley block 25 on the lower portion of the II section 22 of the lifting frame, the tail end of the steel wire rope 27 is fixed on the II section 22 of the lifting frame, when the roller of the electric or hydraulic winch 20 winds the rope, the steel wire rope 27 pulls the II section 22 of the lifting frame to lift, and when the roller of the electric or hydraulic winch 20 releases the rope, the II section 22 of the lifting frame descends under the action of gravity. Lifting principle of III sections 23 of lifting frame: wire rope 27 one end is fixed on I section 21 of hoisting frame, walks around II sections 22 of hoisting frame support pulley block 26, and then walks around III sections 23 lower part hoisting pulley block 25 of hoisting frame, and wire rope 27's the other end is fixed on III sections 23 of hoisting frame, and when II sections 22 of hoisting frame rose, wire rope 27 pulling III sections 23 of hoisting frame promoted, and when II sections 22 of hoisting frame descended, III sections 23 of hoisting frame descended under the action of gravity. The lifting principle of the lifting frame IV section 24 and the lifting frame behind the lifting frame IV section is the same as that of the lifting frame III section 23. After each section of the lifting frame 3 is lifted in place, the lifting frame 3 is fixed by a pin assembly on each section, and the pin assembly comprises a pin oil cylinder 28, a guide sleeve 33, a connecting sleeve 34 and a pin 35. The guide sleeve 33 and the connecting sleeve 34 are respectively fixed on the corresponding two-stage lifting frame, the piston rod of the oil cylinder of the pin 28 extends out, the pin 35 is pushed to penetrate through the guide sleeve 33 and the connecting sleeve 34, the corresponding pin 35, the guide sleeve 33 and the connecting sleeve 34 are connected into a whole, the corresponding two-stage lifting frame is locked, and sleeving and fixing are achieved. The piston rod of the pin oil cylinder 28 retracts, the pin 35 is pulled to retract, the guide sleeve 33 and the connecting sleeve 34 are separated, and the lifting frame 3 is lifted and unlocked. Of course, all can set up the cat ladder that supplies constructor to crawl on 3 each sections of hoisting frame.
The electric basket 2 comprises a basket body 50, a basket lifter 51, a wire winder 52, a power steel wire rope 53, a safety steel wire rope 54, a guide pulley block 55 and a safety lock 56. The basket hoister 51 is arranged at the bottom of the basket body 50, the electric basket hoister 51 is a core part of the basket and is used for driving and completing the up-and-down motion of the working platform, a three-phase asynchronous brake motor can be adopted, the climbing action along the power steel wire rope 53 can be completed through a speed reducer and a rope winder, and meanwhile, a centrifugal speed limiting device can be arranged, so that the stable lifting and sliding descending of the basket can be realized. The upper end of the power steel wire rope 53 is fixed on the top 3 of the hoisting frame. The wire winder 52 is installed at the bottom of the basket body 50, the wire rope at the lower end of the power wire rope 53 passes through the rope winder of the basket lifter 51, and the redundant power wire rope 53 is wound on the roller through the wire winder 52. The upper end of the safety steel wire rope 54 is fixed at the top of the lifting frame 3, and the lower end is fixed at the tail part of the lifting frame 3 and is tightened. A guide pulley block 55 is installed on the basket body 50 to ensure that the basket body 50 moves up and down along the safety wire 54. The safety lock 56 is arranged on the basket body 50, the safety wire rope 54 penetrates through the safety lock 56, the safety lock 56 of the electric basket 2 is an important part for protecting the safety of the electric basket 2, when the power wire rope 53 is suddenly broken off and the sliding speed of the suspension platform reaches the rope locking speed corresponding to the safety lock 56, the safety lock 56 rapidly acts to automatically lock the safety wire rope 54 in a moment, so that the electric basket 2 stops sliding.
The operation platform 6 includes an operation platform main body 60, an operation platform guide block 61, and an electric hoist 62. The operation platform main body 60 can bear construction workers, pour cement pier columns, slide up and down along the operation platform guide grooves 63 on the lifting frame 3, and the stroke can cover the whole pier columns, so that the construction workers can operate to disassemble and assemble the template system 5 and maintain the piers. An operation platform guide groove 63 is designed on one side of the lifting frame 3, so that the up-and-down movement track of the operation platform 60 is controllable. The electric hoist 62 provides power for the operation platform main body 60 to move up and down, and the electric hoist 62 can be installed on the operation platform 6 or the lifting frame 3.
The hoisting beam assembly 7 comprises a rotary support 64, an electric winch 65, a hoisting beam 66, a counterweight beam 67, a balance frame 68, a counterweight 69 and a guy rope 70. The rotary support 64 is arranged between the lifting frame 3 and the balancing frame 68, and the rotary support 64 can rotate 360 degrees for the hoisting beam assembly 7, so that alternate pouring between two piers is guaranteed. The lifting beam 66 is pinned to a gimbal 68 by an ear plate and a guy line 70 is connected between the lifting beam 66 and the gimbal 68. 3 electric winches 65 can be installed below the hoisting beam 66, the electric winches 65 can slide back and forth along the hoisting beam 66, the left electric winch 65 and the right electric winch 65 are mainly used for hoisting the formwork system 5, and the middle electric winch 65 can be used for hoisting reinforcement cages and other materials required in construction. The ear plate of the counterweight beam 67 is pinned to the balance frame 68, the counterweight beam 67 is opposite to the hoisting beam 66, and a guy wire 70 is connected between the counterweight beam 67 and the balance frame 68. And a counterweight 69 is arranged at the tail end of the counterweight beam 67 and is used for balancing the hoisting weight of the electric winch 65.
The righting hoop 4 comprises a hoop 80, a locking oil cylinder 81 and a connecting rod assembly 82. The hoisting frame 3 stretches out to a certain height, and staple bolt 80 holds the pier stud tightly, and locking cylinder 81 is used for locking or unclamps staple bolt 80, and link assembly 82 one end is connected on staple bolt 80, and the other end is connected on hoisting frame 3, plays the effect of stabilizing and righting to hoisting frame 3.
The working principle of the tower type pier construction device is as follows:
step a, when the single bridge pier is constructed, installing a tower pier construction device on the side face of the single bridge pier; when the double bridge piers are constructed, the tower type bridge pier construction device is arranged in the middle of the double bridge piers;
b, lifting the lifting frame to a proper height, and fixing the lifting frame through a lifting frame fixing device;
c, installing a centralizing hoop;
d, hoisting the template system by using the hoisting beam assembly, and enabling constructors to reach the operation platform through the electric hanging basket to carry out pier pouring construction;
e, after the construction of the pier at one end corresponding to the template system is finished, after the pier at the section is cast, loosening the lifting frame fixing device, lifting the lifting frame to the next proper height, fixing the lifting frame through the lifting frame fixing device, lifting the template system to the corresponding lifting height by using the hoisting system assembly, and finishing the casting construction of the next section of pier;
and f, repeating the step e until the construction of the pier is completed.
It should be understood that any modification, equivalent replacement, and improvement made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (3)
1. The utility model provides a hoisting frame is used in construction of tower posture pier which characterized in that: the lifting frame for the tower type pier construction is of a segmented sleeved structure and comprises a lifting frame top, a lifting frame middle part, a lifting frame tail part, a lifting frame telescopic device and a lifting frame fixing device which are sequentially connected; the middle part of the lifting frame is formed by sequentially connecting a plurality of movable joints; the lifting frame telescopic device can drive the lifting frame top, the lifting frame middle part and the lifting frame tail part to perform self-telescopic motion to a preset position, and after each movable joint at the lifting frame top and the lifting frame middle part and the lifting frame tail part move relatively to the preset position, the lifting frame top, the lifting frame middle part and each section of the lifting frame tail part are fixed through the lifting frame fixing device.
2. The hoisting frame for the construction of the tower pier according to claim 1, wherein: the lifting frame telescopic device comprises a lifting pulley block arranged at the top of the lifting frame, a supporting pulley block arranged at the tail part of the lifting frame, a lifting pulley block and a supporting pulley block arranged on each movable joint in the middle of the lifting frame, a lifting frame winch and a plurality of sections of steel wire ropes;
wherein, the winding mode of the wire rope connecting the top of the hoisting frame and the middle part of the hoisting frame is as follows: one end of the steel wire rope is fixed at the top of the lifting frame, bypasses a lifting pulley block arranged at the top of the lifting frame, bypasses a supporting pulley block on a movable joint close to the top of the lifting frame, and is fixed on a movable joint adjacent to the movable joint close to the top of the lifting frame;
the winding mode of the steel wire rope between each movable joint in the middle of the connecting hoisting frame is as follows: one end of the steel wire rope is fixed on the movable joint in the middle of the lifting frame, bypasses a lifting pulley block arranged on the movable joint, bypasses a supporting pulley block on the adjacent movable joint and is fixed on the spaced movable joints;
the winding mode of the steel wire rope connecting the middle part of the lifting frame and the tail part of the lifting frame is as follows: one end of the steel wire rope is fixed on the movable joint close to the tail part of the lifting frame, bypasses the lifting pulley block arranged on the movable joint close to the tail part of the lifting frame, then bypasses the supporting pulley block on the tail part of the lifting frame, and is connected with the lifting frame winch fixed on the tail part of the lifting frame.
3. The hoisting frame for construction of a tower pier according to claim 2, wherein: the lifting frame fixing device comprises a pin oil cylinder, a guide sleeve, a connecting sleeve and a pin, wherein the guide sleeve and the connecting sleeve are arranged on each section of the lifting frame; when the hoisting frame winch drags the steel wire rope to hoist the hoisting frame to a preset corresponding position, the guide sleeve and the connecting sleeve on the corresponding section of the hoisting frame for tower type pier construction are aligned, the pin oil cylinder pushes the pin to be inserted into the corresponding guide sleeve and the corresponding connecting sleeve to fix each section of the hoisting frame for tower type pier construction, and the hoisting frame for tower type pier construction is locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222523402.2U CN218434629U (en) | 2022-09-22 | 2022-09-22 | Lifting frame for tower type pier construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222523402.2U CN218434629U (en) | 2022-09-22 | 2022-09-22 | Lifting frame for tower type pier construction |
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| CN218434629U true CN218434629U (en) | 2023-02-03 |
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| CN202222523402.2U Active CN218434629U (en) | 2022-09-22 | 2022-09-22 | Lifting frame for tower type pier construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116495641A (en) * | 2023-06-26 | 2023-07-28 | 山东中建众力设备租赁有限公司 | Jacking step-changing device of internal climbing crane |
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2022
- 2022-09-22 CN CN202222523402.2U patent/CN218434629U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116495641A (en) * | 2023-06-26 | 2023-07-28 | 山东中建众力设备租赁有限公司 | Jacking step-changing device of internal climbing crane |
| CN116495641B (en) * | 2023-06-26 | 2023-09-12 | 山东中建众力设备租赁有限公司 | Jacking step-changing device of internal climbing crane |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |