CN210315503U - Device for continuous construction of underground continuous wall reinforcement cage - Google Patents
Device for continuous construction of underground continuous wall reinforcement cage Download PDFInfo
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- CN210315503U CN210315503U CN201920616224.3U CN201920616224U CN210315503U CN 210315503 U CN210315503 U CN 210315503U CN 201920616224 U CN201920616224 U CN 201920616224U CN 210315503 U CN210315503 U CN 210315503U
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Abstract
The utility model discloses a device is used in continuous construction of underground continuous wall steel reinforcement cage. It is including setting up location and the support of bearing above the underground diaphragm wall groove width of cloth, two reinforcing bar plate rail framves, horizontal stirrup dish and horizontal lacing wire dish, location and bearing support both sides are equipped with pulley mechanism and reinforcing bar holding ring, be equipped with the steel strand dish on the reinforcing bar plate rail, the end of the vertical steel strand wires owner muscle on the steel strand dish lies in location and bears the support below after pulley mechanism and reinforcing bar holding ring, draw to certain length, make underground diaphragm wall steel reinforcement cage section by horizontal stirrup and horizontal lacing wire drawknot, the underground diaphragm wall steel reinforcement cage section of accomplishing is transferred, repeated operation again is accomplished to underground diaphragm wall steel reinforcement cage construction, underground diaphragm wall steel reinforcement cage is transferred to underground diaphragm wall steel reinforcement cage bottom position. By adopting the above technique, the utility model, reduce the ground load on groove width of cloth both sides and apply the pressure for the soil body all around of underground continuous wall cell wall, guaranteed the stability of cell wall, avoided phenomenons such as the cell wall collapses.
Description
Technical Field
The utility model belongs to the technical field of the construction, concretely relates to device is used in continuous construction of underground continuous wall steel reinforcement cage.
Background
Along with the continuous deepening of urban construction, the land resources are increasingly tense, and the depth of underground space development is continuously increased. The advantages of the underground continuous wall (hereinafter referred to as the underground continuous wall) such as large rigidity, good integrity, strong impermeability and the like are more prominent along with the increase of the depth of the foundation pit, and the underground continuous wall is almost the only option of the ultra-deep foundation pit. At present, a large number of ultra-deep foundation pits emerge in each large city, such as Hangzhou international buildings (with the depth of 28.5 m), subway official river stations (with the depth of 34.0 m) and the like, and through statistical calculation, the depth of underground continuous walls of the ultra-deep foundation pits can reach 60m at most, the weight of the underground continuous walls reaches 85T, wherein the reinforcing steel bars for integrally hoisting the reinforcement cage are about 7T, and the weight of the reinforcing steel bars accounts for about 8 percent. The existing underground continuous wall hoisting needs 2 cranes, the height needs to be more than 10m longer than the length of a steel reinforcement cage, if a 360T crawler crane is adopted, the self weight of the crane is about 400T, the total weight is about 480T under the condition of the hoisted steel reinforcement cage, so that a large load acts on the ground, extra vertical and lateral pressure must be generated on soil around the wall of the underground continuous wall, the stability of the wall of the underground continuous wall is further influenced, and the collapse of the wall of the underground continuous wall is seriously caused; meanwhile, the hoisting height needs to be about 10m deeper than the underground continuous wall, so that no obstacle is required to be arranged at the upper part of the construction part of the underground continuous wall, and if the upper part of the foundation pit has obstacles for limiting clearance, such as a viaduct, a high-voltage line and the like, the construction process of the underground continuous wall is limited.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that exists among the prior art, the utility model aims to provide an underground continuous wall steel reinforcement cage is device for continuous construction.
The device for continuous construction of the underground diaphragm wall steel reinforcement cage is characterized by comprising a positioning and bearing support arranged right above an underground diaphragm wall groove, a first steel reinforcement plate rack, a horizontal stirrup plate, a second steel reinforcement plate rack and a horizontal lacing wire plate which are symmetrically arranged at two sides of the underground diaphragm wall groove, wherein two groups of first pulley mechanisms and second pulley mechanisms, first steel reinforcement positioning rings and second steel reinforcement positioning rings which are correspondingly symmetrical are arranged at two sides of the positioning and bearing support, a first steel strand disk is arranged on the first steel reinforcement plate rack, a second steel strand disk is arranged on the second steel reinforcement plate rack, the end of a first vertical steel strand main rib on the first steel strand disk passes through the first pulley mechanisms and the first steel reinforcement positioning rings, and the end of a second vertical steel strand main rib on the second steel strand disk passes through the second pulley mechanisms and the second positioning rings and is respectively positioned below the positioning and bearing support, and pulling to a certain length, forming an underground continuous wall reinforcement cage section by drawing the horizontal stirrups on the horizontal stirrup plate and the horizontal lacing wires on the horizontal lacing wire plate, lowering the finished underground continuous wall reinforcement cage section, repeating the operation until the construction of the underground continuous wall reinforcement cage is finished, and lowering the underground continuous wall reinforcement cage to the bottom position of the underground continuous wall reinforcement cage.
The device for continuous construction of the underground continuous wall steel reinforcement cage is characterized in that the positioning and bearing support comprises two groups of vertical rods which are arranged in parallel, the tops of the two groups of vertical rods are provided with fixed platforms, the first pulley mechanism, the second pulley mechanism, the first steel reinforcement positioning ring and the second steel reinforcement positioning ring are arranged on the fixed platforms, and the steel reinforcement positioning rings are located on the inner sides of the corresponding pulley mechanisms.
The device for continuous construction of the underground continuous wall reinforcement cage is characterized in that a base is arranged at the bottom of a vertical rod.
The device for continuous construction of the underground continuous wall reinforcement cage is characterized in that the first pulley mechanism and the second pulley mechanism are the same in structure and respectively comprise a pulley support fixed on a fixed platform and a pulley installed on the pulley support, and two groups of vertical steel strand main reinforcements are respectively reserved after passing through the pulley and a reinforcement positioning ring.
The device for continuous construction of the underground continuous wall steel reinforcement cage is characterized in that the bottom of the underground continuous wall steel reinforcement cage after binding is lowered to a position 200mm above the bottom of a designed groove, and a vertical steel strand main reinforcement is locked on a positioning and bearing support.
By adopting the technology, the utility model adopts the positioning and bearing support, the steel reinforcement cage is manufactured and placed at the same time, and is used for manufacturing and placing the underground continuous wall steel reinforcement cage continuously, in the manufacturing process of the steel reinforcement cage, the problem that large machinery causes the collapse of the underground continuous wall groove wall and the construction of the underground continuous wall steel reinforcement cage under the condition of limited height is solved, the problems that in the prior art, hoisting machinery such as large-tonnage cranes, crawler cranes and the like are adopted on the groove wall, the ground loads on two sides of the groove wall are greatly reduced, the extra vertical and lateral pressure applied to the soil around the underground continuous wall groove wall is reduced, the stability of the groove wall is further ensured, and the phenomena of collapse and the like are avoided; moreover, the utility model discloses a steel reinforcement cage need not integral hoisting, even have the barrier like overpass, high-voltage line etc. on underground continuous wall construction position upper portion, also can normally be under construction, has improved its construction convenience greatly.
Drawings
FIG. 1 is a schematic structural view of the construction process of the present invention;
FIG. 2 is a schematic structural view of the steel reinforcement cage after being lowered;
fig. 3 is an enlarged structural diagram of the positioning and bearing bracket.
In the figure: 1-a first steel strand coil, 2-a first steel strand coil rack, 3-a first vertical steel strand main reinforcement, 4-a horizontal stirrup coil, 5-a first steel strand positioning ring, 6-a first pulley mechanism, 7-a positioning and bearing support, 701-a base, 702-a fixed platform, 703-a vertical rod, 8-a second pulley mechanism, 9-a horizontal stirrup, 10-a second vertical steel strand main reinforcement, 11-a horizontal stirrup coil, 12-a second steel strand coil, 13-a second steel strand coil rack, 14-the ground, 15-an underground diaphragm wall reinforcement cage, 16-an underground diaphragm wall channel amplitude, 17-a horizontal stirrup, and 18-a second steel strand positioning ring.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited thereto:
as shown in fig. 1-3, the utility model discloses a device is used in continuous construction of underground continuous wall steel reinforcement cage, including setting up the location and bearing support 7 directly over the underground continuous wall groove width of cloth 16, symmetry set up the first steel reinforcement plate rail 2, horizontal stirrup dish 4, second steel reinforcement plate rail 13 and horizontal lacing wire dish 11 in the both sides of underground continuous wall groove width of cloth 16, location and bearing support 7 includes two sets of parallel arrangement's pole setting 703, and the top of two sets of pole setting 703 is equipped with fixed platform 702, and first pulley mechanism 6, second pulley mechanism 8, first steel reinforcement holding ring 5 and second steel reinforcement holding ring 18 set up on fixed platform 702, and the steel reinforcement holding ring is located the inboard of corresponding pulley mechanism; two sets of first pulley mechanisms 6 and second pulley mechanisms 8, first steel strand positioning rings 5 and second steel strand positioning rings 18 which are correspondingly symmetrical are arranged on two sides of the positioning and bearing bracket 7, a first steel strand coil 1 is arranged on the first steel strand coil frame 2, a second steel strand coil 12 is arranged on the second steel strand coil frame 13, the end of a first vertical steel strand main reinforcement 3 on the first steel strand coil 1 is positioned below the positioning and bearing bracket 7 respectively after passing through the first pulley mechanisms 6 and the first steel strand positioning rings 5, and the end of a second vertical steel strand main reinforcement 10 on the second steel strand coil 12 is positioned below the positioning and bearing bracket 7 after passing through the second pulley mechanisms 8 and the second steel strand positioning rings 18, the first steel strand main reinforcement is pulled to a certain length, a horizontal stirrup 9 on the horizontal stirrup coil 4 and a horizontal stirrup 17 on the horizontal stirrup coil 11 are pulled to form an underground continuous wall steel reinforcement cage section, the finished underground continuous wall steel reinforcement cage section is lowered and then repeatedly operated to the underground continuous wall steel reinforcement cage construction, and the reinforcement cage of the underground continuous wall is lowered to the bottom of the reinforcement cage of the underground continuous wall.
In order to make the positioning and bearing bracket 7 have enough bearing capacity, the utility model discloses be equipped with base 701 in pole setting 703 bottom.
As shown in the figure, the utility model discloses a when main muscle is under construction, can laborsaving, set up pulley mechanism on location and bearing support 7, the utility model discloses a first pulley mechanism 6, second pulley mechanism 8's structure is the same, by fixing the pulley support on fixed platform 702 and installing the pulley on the pulley support respectively, and two sets of vertical steel strand wires owner muscle is reserve after pulley and reinforcing bar holding ring respectively.
The utility model discloses a device is used in continuous construction of underground continuous wall steel reinforcement cage, include following step:
1) firstly, carrying out grooving construction on the underground diaphragm wall according to design requirements to reach the elevation of the bottom of a designed groove to obtain the groove width 16 of the underground diaphragm wall;
2) a positioning and bearing support 7 is installed above the underground diaphragm wall channel 16, as shown in fig. 3, the positioning and bearing support 7 comprises two sets of vertical rods 703 arranged in parallel, fixed platforms 702 are arranged at the tops of the two sets of vertical rods 703, a base 701 is arranged at the bottom of the vertical rods 703, two sets of first pulley mechanisms 6 and second pulley mechanisms 8, first steel bar positioning rings 5 and second steel bar positioning rings 18 which are correspondingly symmetrical are arranged at two sides of the positioning and bearing support 7, a set of first steel bar disc frame 2 and horizontal stirrup discs 4 are arranged at the left side of the underground diaphragm wall channel 16, a set of second steel bar disc frame 13 and horizontal lacing discs 11 are arranged at the right side of the underground diaphragm wall channel 16, a first steel strand disc 1 is arranged on the first steel bar disc frame 2, a second steel strand disc 12 is arranged on the second steel bar disc 13, and the end of the first vertical steel strand main reinforcement 3 on the first steel strand disc 1 passes through the first pulley mechanisms 6 and the first steel bar positioning, The end of the second vertical steel strand main reinforcement 10 on the second steel strand disc 12 passes through a second pulley mechanism 8 and a second steel bar positioning ring 18 and then is respectively positioned below the positioning and bearing bracket 7 for standby, wherein the first pulley mechanism 6, the second pulley mechanism 8, the first steel bar positioning ring 5 and the second steel bar positioning ring 18 are arranged on the fixed platform 702, and the steel bar positioning rings are positioned at the inner sides of the corresponding pulley mechanisms;
3) the construction personnel stand at two sides of the positioning and bearing support 7, pull down the first vertical steel strand main reinforcement 3 and the second vertical steel strand main reinforcement 10 to required lengths, simultaneously pull out the horizontal stirrups 9 on the horizontal stirrup discs 4 and the horizontal tie bars 17 on the horizontal tie bar discs 11, respectively cut out corresponding lengths according to design requirements, and bind the horizontal stirrups 9 and the horizontal tie bars 17 on the two groups of vertical steel strand main reinforcements according to design intervals to obtain segmented underground continuous wall reinforcement cages;
4) lowering the underground continuous wall reinforcement cage bound in the step 3) into the slot width 16 of the underground continuous wall;
5) repeating the step 3) and the step 4) until the bottom of the whole underground continuous wall reinforcement cage 15 is lowered to a position 200mm above the bottom of the designed tank, and locking the vertical steel strand main reinforcement on the positioning and bearing support 7;
6) the first vertical steel strand main reinforcement 3 and the second vertical steel strand main reinforcement 10 are cut off, and the cut-off positions of the first vertical steel strand main reinforcement 3 and the second vertical steel strand main reinforcement 10 are located above the first steel bar positioning ring 5 and the second steel bar positioning ring 18.
And removing the redundant coiled steel strands, and pouring concrete of the underground continuous wall according to a conventional underwater concrete pouring method to obtain the flexible underground continuous wall with the steel strands as main reinforcements.
As shown in the figure, the utility model discloses a first pulley mechanism 6, second pulley mechanism 8's structure is the same, by fixing the pulley support on fixed platform 702 and installing the pulley on the pulley support respectively, and two sets of vertical steel strand wires owner muscle is reserve behind pulley and reinforcing bar holding ring respectively.
Claims (5)
1. The device is characterized by comprising a positioning and bearing support (7) arranged right above an underground diaphragm wall groove frame (16), a first steel bar plate rack (2), a horizontal hooping plate (4), a second steel bar plate rack (13) and a horizontal lacing wire plate (11) which are symmetrically arranged on two sides of the underground diaphragm wall groove frame (16), wherein two groups of first pulley mechanisms (6) and second pulley mechanisms (8), first steel bar positioning rings (5) and second steel bar positioning rings (18) which are correspondingly symmetrical are arranged on two sides of the positioning and bearing support (7), a first steel bar wire twisting plate rack (1) is arranged on the first steel bar plate rack (2), a second steel bar wire twisting plate rack (12) is arranged on the second steel bar plate rack (13), and the end of a first vertical steel strand main rib (3) on the first steel bar wire twisting plate rack (1) is arranged through the first pulley mechanisms (6) and the first steel bar positioning rings (5), The end of the second vertical steel strand main reinforcement (10) on the second steel strand disc (12) is located below the positioning and bearing support (7) respectively after passing through the second pulley mechanism (8) and the second steel bar positioning ring (18) and is pulled to a certain length, an underground continuous wall steel bar cage section is formed by drawing horizontal stirrups (9) on the horizontal stirrups (4) and horizontal lacing wires (17) on the horizontal lacing wires (11), the finished underground continuous wall steel bar cage section is transferred and then is repeatedly operated to the construction completion of the underground continuous wall steel bar cage, and the underground continuous wall steel bar cage is transferred to the bottom position of the underground continuous wall steel bar cage.
2. The device for continuous construction of the reinforcement cage of the underground continuous wall as claimed in claim 1, wherein the positioning and bearing bracket (7) comprises two sets of parallel vertical rods (703), the top of the two sets of vertical rods (703) is provided with a fixed platform (702), the first pulley mechanism (6), the second pulley mechanism (8), the first reinforcement positioning ring (5) and the second reinforcement positioning ring (18) are arranged on the fixed platform (702), and the reinforcement positioning rings are positioned at the inner sides of the corresponding pulley mechanisms.
3. The device for continuous construction of the reinforcement cage of the underground continuous wall as claimed in claim 2, wherein the bottom of the vertical rod (703) is provided with a base (701).
4. The device for continuous construction of the reinforcement cage of the underground continuous wall according to any one of claims 1 to 3, wherein the first pulley mechanism (6) and the second pulley mechanism (8) have the same structure and are respectively composed of a pulley support fixed on the fixed platform (702) and a pulley installed on the pulley support, and two groups of vertical steel strand main reinforcements are respectively reserved after passing through the pulley and the reinforcement positioning ring.
5. The device for continuous construction of the reinforcement cage of the underground continuous wall as claimed in claim 1, wherein the bottom of the reinforcement cage (15) of the underground continuous wall after binding is lowered to a position 200mm above the bottom of the designed groove, and the main reinforcement of the vertical steel strand is locked on the positioning and bearing bracket (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920616224.3U CN210315503U (en) | 2019-04-30 | 2019-04-30 | Device for continuous construction of underground continuous wall reinforcement cage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920616224.3U CN210315503U (en) | 2019-04-30 | 2019-04-30 | Device for continuous construction of underground continuous wall reinforcement cage |
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| CN210315503U true CN210315503U (en) | 2020-04-14 |
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| CN201920616224.3U Active CN210315503U (en) | 2019-04-30 | 2019-04-30 | Device for continuous construction of underground continuous wall reinforcement cage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676975A (en) * | 2020-04-28 | 2020-09-18 | 中铁工程装备集团有限公司 | Continuous manufacturing equipment and method for reinforcement cage |
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- 2019-04-30 CN CN201920616224.3U patent/CN210315503U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676975A (en) * | 2020-04-28 | 2020-09-18 | 中铁工程装备集团有限公司 | Continuous manufacturing equipment and method for reinforcement cage |
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