CN209989801U

CN209989801U - Underground continuous wall

Info

Publication number: CN209989801U
Application number: CN201920237580.4U
Authority: CN
Inventors: 张庆书; 吴昊; 王航线; 王守武; 孙维龙; 汪靳祥; 梅停
Original assignee: Anhui Road and Bridge Engineering Co Ltd
Current assignee: Anhui Road and Bridge Engineering Co Ltd
Priority date: 2019-02-25
Filing date: 2019-02-25
Publication date: 2020-01-24
Anticipated expiration: 2029-02-25

Abstract

The utility model relates to an underground continuous wall, which comprises an underground continuous wall guide wall, a steel reinforcement cage hoisting system, a movable safety protection device and a notch auxiliary steel frame; the underground continuous wall guide wall comprises a guide wall, a pair of supporting plates, an anti-floating limiting key, a limiting plate and a transverse pair of supporting rods; the steel reinforcement cage hoisting system comprises a steel reinforcement cage, a hoisting ring and a hoisting tool; the movable safety protection device comprises wheels, a support rod, a protective net clamping plate, an inclined strut, a sliding groove, a sliding rail, a bolt hole, an upper splicing plate and a lower splicing plate; the notch auxiliary steel frame comprises a slideway, section steel, a sliding wheel, an anti-floating top plate, a sliding groove, a steel frame inclined strut and a top plate. The utility model has the advantages that: the utility model relates to a strut on the inner side of a guide wall, which can be quickly spliced and completed by inserting a connecting inserted bar on a transverse strut into a reserved slot of a supporting plate; the transverse suspender can be moved by the steel reinforcement cage lifting appliance, so that the lifting appliance can adapt to steel reinforcement cages of various lengths and lift the steel reinforcement cages.

Description

Underground continuous wall

Technical Field

The utility model belongs to the technical field of the wall body and specifically relates to an underground continuous wall.

Background

The underground continuous wall is formed by digging a long and narrow deep groove on the ground, hoisting a reinforcement cage in the groove after cleaning the groove, then pouring underwater concrete by a conduit method to build a unit groove section, and thus, the steps are carried out section by section, and a continuous reinforced concrete wall is built underground. In the construction process of the underground continuous wall, a guide wall needs to be built firstly, the guide wall is positioned on two sides of a groove, after a template is built, supports need to be arranged on the outer sides of the templates to prevent the templates from falling off in the concrete pouring process, the existing guide wall template supports adopt temporary wood supports and cross braces for blocking, the wood supports and the cross braces need to be fixed at opposite positions, and then the wood supports and the cross braces are fixed by nails, so that the method is slow in construction speed and inconvenient to dismantle; in addition, in the hoisting process of the reinforcement cage of the underground continuous wall, the traditional method is that a crane is used for hoisting one side of the reinforcement cage, then the reinforcement cage is slowly lifted until the reinforcement cage is vertical, and then the reinforcement cage is put down, so that the method has certain danger and is slow in hoisting speed; after the reinforcement cage is lifted, concrete needs to be poured into the reinforcement cage, and the reinforcement cage can float sometimes to influence the construction quality of the underground continuous wall.

In summary, it is very important to find an underground diaphragm wall that can be quickly spliced to support the outer side of a guide wall formwork, quickly hoist a reinforcement cage and prevent the reinforcement cage from floating.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the deficiency among the prior art, provide an underground continuous wall.

The underground continuous wall comprises an underground continuous wall guide wall, a steel reinforcement cage hoisting system, a movable safety protection device and a notch auxiliary steel frame;

the underground continuous wall guide wall comprises a guide wall, a pair of supporting plates, an anti-floating limiting key, a limiting plate and a transverse pair of supporting rods; a template is arranged on the outer side of the guide wall; the limiting plate is arranged at the bottom of the guide wall, the limiting plate is connected with a connecting rod with a thread, a groove matched with the connecting rod is reserved on the top limiting rod, and the top limiting rod is connected with the connecting rod to form an anti-floating limiting key; the opposite supporting plates and the transverse opposite supporting rods are combined into an inner supporting frame, the inner supporting frame is arranged on the inner side of the guide wall, and connecting inserted rods on the transverse opposite supporting rods are inserted into reserved slots on the opposite supporting plates;

the hoisting system of the steel reinforcement cage comprises the steel reinforcement cage, a hoisting ring and a hoisting tool, wherein the hoisting ring is bound on the bound steel reinforcement cage, the hoisting tool comprises a transverse hoisting rod, a middle connecting rod and a hoisting rod, the upper part of the middle connecting rod is provided with the hoisting rod, the upper part of the transverse hoisting rod is provided with a top sliding block, the lower part of the transverse hoisting rod is provided with a hoisting hook, and the top sliding block is matched with a hoisting rod slideway in the middle;

the movable safety protection device comprises wheels, support rods, a protection net clamping plate, an inclined strut, a sliding groove, a slide rail, bolt holes, an upper splicing plate and a lower splicing plate, wherein a support system is formed by combining the support rods and the inclined strut on two sides of the protection device;

the notch auxiliary steel frame comprises a slide way, profile steel, a sliding wheel, an anti-floating top plate, a sliding groove, a steel frame inclined strut and a top plate, the sliding wheel is installed at the bottom of the profile steel, the profile steel is placed in the sliding groove of the slide way, the steel frame inclined strut is welded at the top of the profile steel adjacent to the top of the profile steel to form a profile steel frame, the top of the profile steel is provided with the top plate, the profile steel is fixed on the top plate to form a complete profile steel frame, and the anti-floating top.

Preferably, the method comprises the following steps: the opposite supporting plate is provided with a connecting lug, and a reserved slot is reserved on the connecting lug; the transverse opposite brace rods are provided with connecting end blocks, and the connecting end blocks are provided with connecting inserted rods; the connecting lug is connected with the connecting end block in a matching way, and the reserved slot is connected with the connecting inserted bar in a matching way.

Preferably, the method comprises the following steps: the two sides of the guide wall are inserted into the side limiting rods at intervals.

Preferably, the method comprises the following steps: two adjacent slide rails are spliced in a staggered mode, and the upper splicing plates are connected with the lower splicing plates of the adjacent slide rails and fixed through bolts.

The utility model has the advantages that:

(1) the utility model discloses an interior side strut of wall is led and is inserted and to be accomplished the concatenation fast in the slot is reserved to the fagging through transversely inserting the connection inserted bar on the vaulting pole.

(2) The utility model discloses an anti spacing key that floats is formed by the concatenation of top gag lever post and connecting rod, and the steel reinforcement cage transfers the in-process, and the connecting rod can pass the steel reinforcement cage, fixes the top gag lever post on the connecting rod afterwards, and inside at this moment the top gag lever post was in the steel reinforcement cage, the part reinforcing bar of steel reinforcement cage bottom will be blocked between limiting plate and top gag lever post, behind concreting, can prevent effectively that the steel reinforcement cage from floating.

(3) The utility model discloses a horizontal jib can be removed to the steel reinforcement cage hoist, makes the hoist can adapt to the steel reinforcement cage of various length to lift by crane it.

(4) The utility model discloses a safety device can prevent at the job site that the thing that falls from dropping at top installation protection network, and safety device's slide rail can pass through the bolt and splice together fast in addition, makes protector can remove according to the construction progress.

(5) The utility model discloses an anti roof that floats on shaped steel steelframe can prevent that the steel reinforcement cage from floating.

Drawings

FIG. 1 is a sequence diagram of underground diaphragm wall construction (a guide wall construction, b steel reinforcement cage hoisting, c protective device and steel frame);

FIG. 2 is a view (a) of FIG. 1;

FIG. 3 is a detail view at A in FIG. 2;

FIG. 4 is a detail view of the inner side brackets of the guide wall of FIG. 2;

FIG. 5 is a view of FIG. 1 (b);

FIG. 6 is a top plan view of the spreader of FIG. 1;

FIG. 7 is a schematic illustration of the boom slide and transverse boom of FIG. 6 being spliced together;

fig. 8 is a top view of the reinforcement cage of fig. 5;

FIG. 9 is a schematic view of the safety shield apparatus of FIG. 1;

FIG. 10 is a side view of the guard of FIG. 9;

FIG. 11 is a schematic view of the slide rail of FIG. 9;

FIG. 12 is a schematic view of the notch auxiliary section steel frame of FIG. 1;

FIG. 13 is a top view of the medium steel frame of FIG. 12 (without the top plate installed);

FIG. 14 is a side view of the medium steel frame of FIG. 12;

FIG. 15 is a top view of the slide of FIG. 12;

fig. 16 is a front view of the slide.

Description of reference numerals: 1-template; 2, a guide wall; 3, aligning supporting plates; 4, the ground; 5-anti-floating limit key; 6, a limiting plate; 7-a connecting rod; 8-a top limiting rod; 9-screw thread; 10-connecting bumps; 11-reserving a slot; 12-transverse pair of support rods; 13-connecting the inserted link; 14-connecting the end-block; 15-a reinforcement cage; 16-side limiting rod; 17-a lifting ring; 18-a transverse boom; 19-a hook; 20-middle connecting rod; 21-a boom; 22-lifting rope; 23-a boom slide; 24-caulking groove; 25-top slide; 26-wheels; 27-a support bar; 28, a protective net; 29-protective net splint; 30-inclined strut; 31-a sliding groove; 32-a slide rail; 33-bolt holes; 34-an upper splice plate; 35-lower splice plate; 36-a slide; 37-section steel; 38-continuous wall groove; 39-a gliding wheel; 40-anti-floating roof; 41-a chute; 42-steel frame inclined strut; 43-a top plate; 44-bolt.

Detailed Description

The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to aid in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

The underground continuous wall comprises an underground continuous wall guide wall, a steel reinforcement cage hoisting system, a movable safety protection device and a notch auxiliary steel frame.

The underground continuous wall guide wall comprises a guide wall 2, a counter support plate 3, an anti-floating limit key 5, a limit plate 6 and a transverse counter support rod 12; the outer side of the guide wall 2 is provided with a template 1; the limiting plate 6 is arranged at the bottom of the guide wall 2, the limiting plate 6 is provided with a connecting rod 7 with a connecting thread 9, a groove matched with the connecting rod 7 is reserved on the top limiting rod 8, the top limiting rod 8 is connected with the connecting rod 7 to form an anti-floating limiting key 5, and the anti-floating limiting key 5 can fix a reinforcement cage and prevent the reinforcement cage from suspending in the grouting process; the opposite supporting plates 3 and the transverse opposite supporting rods 12 are combined into an inner supporting frame, the inner supporting frame is arranged on the inner side of the guide wall 2 to prevent the template 1 from falling off, and the connecting inserted rods 13 on the transverse opposite supporting rods 12 are inserted into the reserved slots 11 on the opposite supporting plates 3. The opposite supporting plate 3 is provided with a connecting lug 10, and a reserved slot 11 is reserved on the connecting lug 10; the transverse opposite brace rods 12 are provided with connecting end blocks 14, and the connecting end blocks 14 are provided with connecting inserted rods 13; the connecting convex block 10 is matched and connected with the connecting end block 14, and the reserved slot 11 is matched and connected with the connecting inserted rod 13.

Underground continuous wall steel reinforcement cage hoist and mount system includes steel reinforcement cage 15, rings 17 and hoist, the ligature has rings 17 on the steel reinforcement cage 15 of ligature, the hoist includes horizontal jib 18, middle part connecting rod 20 and jib 21, middle part connecting rod 20 upper portion is equipped with jib 21, horizontal jib 18 upper portion is equipped with top slider 25, horizontal jib 18 lower part is equipped with lifting hook 19, jib slide 23 phase-match in top slider 25 and the middle part connecting rod 20, top slider 25 can slide in jib slide 23, therefore can adjust horizontal jib 18 according to steel reinforcement cage 15's length, make the hoist can adapt to the steel reinforcement cage of each length. The two sides of the guide wall 2 are inserted with side limiting rods 16 at intervals.

The movable groove top safety protection device for the underground continuous wall comprises wheels 26, supporting rods 27, protective nets 28, protective net clamping plates 29, inclined supports 30, sliding grooves 31, sliding rails 32, bolt holes 33, upper splicing plates 34 and lower splicing plates 35, wherein supporting systems are formed by combining the supporting rods 27 and the inclined supports 30 on two sides of the protection device, the protective net clamping plates 29 are supported on the supporting rods 27, the protective nets 28 are fixed on the protective net clamping plates 29, the wheels 26 are arranged at the bottoms of the supporting rods 27, the wheels 26 slide in the sliding grooves 31 of the sliding rails 32, so that the protection device can move according to the construction progress, the upper splicing plates 34 and the lower splicing plates 35 are respectively arranged at two ends of the sliding rails 32, the bolt holes 33 are respectively formed in the upper splicing plates 34 and the lower splicing plates 35, two adjacent sliding rails 32 are spliced in a staggered mode, the upper splicing plates 34 are connected with the lower splicing plates 35, the length of the slide rail 32 can be extended.

Supplementary shaped steel frame of underground continuous wall notch includes slide 36, shaped steel 37, the steamboat 39, anti-floating roof 40, spout 41, steelframe bracing 42 and roof 43, the steamboat 39 is installed to the bottom of shaped steel 37, shaped steel 37 is placed in the spout 41 of slide 36, it forms the shaped steel steelframe to weld steelframe bracing 42 at the same side adjacent shaped steel 37 top, shaped steel 37 top sets up roof 43, shaped steel 37 fixes and forms complete shaped steel steelframe on roof 43, the inboard middle part position of shaped steel steelframe is provided with anti-floating roof 40, this roof can reciprocate, after the completion of underground continuous wall concrete pouring, transfer anti-floating roof 40, anti-floating roof 40 pushes down the concrete, prevent that the steel reinforcement cage from floating. The slideway 36 is of a double-slideway structure and is matched with the H-shaped section steel 37.

The construction method of the underground continuous wall comprises the following steps:

(1) and (5) binding guide wall reinforcing steel bars and erecting a template. And (4) binding reinforcing steel bars on two sides of the underground continuous wall and erecting a template outside the reinforcing steel bars.

(2) And erecting a limiting plate template. Limiting plate templates are erected at the bottom of the guide wall template at intervals, and connecting rods 7 are embedded in the limiting plate templates.

(3) And splicing brackets on the inner side of the guide wall. The opposite supporting plate 3 is tightly attached to the template 1, and then the connecting inserted bar 13 of the transverse opposite supporting bar 12 is inserted into the reserved slot 11, so that the transverse opposite supporting bar 12 is fixed on the connecting convex block 10 of the opposite supporting plate 3, and the inner side supporting frame of the guide wall is formed.

(4) And (5) pouring concrete. And pouring concrete into the erected formwork.

(5) And (5) dismantling the inner side support frame and the template of the guide wall. And after the strength of the concrete reaches the construction requirement, dismantling the inner side support frame and the template of the guide wall. When the inner side support frame is removed, the transverse counter stay bar 12 is removed, and then the counter stay plate 3 is removed.

(6) And (5) binding a reinforcement cage. And (3) binding a reinforcement cage outside the field according to the designed width of the underground continuous wall, and presetting a hanging ring 17 at the top of the reinforcement cage 15 so as to hoist the reinforcement cage.

(7) And (5) hoisting the reinforcement cage. The lifting rope 22 is lowered to drop the transverse suspender 18 onto the reinforcement cage, then the transverse suspender 18 is moved, the lifting hook 19 is hooked on the lifting ring, and then the reinforcement cage is slowly lifted to the position of the underground continuous wall. Before transferring, need place side gag lever post 16 in leading wall both sides, improve the accuracy of the position of transferring of steel reinforcement cage. After the lowering is completed, the side surface limiting rod 16 is pulled out.

(8) And constructing the anti-floating limiting key. After the completion is transferred to the steel reinforcement cage, connecting rod 7 on anti-floating limiting key 5 passes the steel reinforcement cage to be located inside the steel reinforcement cage, constructor is careful afterwards fixes top gag lever post 8 on connecting rod 7, makes the connecting rod card on the steel reinforcement cage.

(9) And erecting a profile steel frame. The steel section slideway is spliced on the top of the guide wall, then the steel sections 37 are placed inside the sliding grooves 41, steel frame inclined struts 42 are welded on the tops of the adjacent steel sections, and finally a top plate 43 is erected on the tops of the steel sections.

(10) And (5) constructing the protection device. Splicing the support rod slide rails on two sides of the section steel slide rail, fixing the upper splicing plates 34 and the lower splicing plates 35 of the adjacent slide rails by using bolts 44, and then pushing the safety protection device onto the slide rails 32.

(11) And (5) pouring concrete. And pouring concrete into the reinforcement cage.

(12) And (5) lowering an anti-floating roof plate. The lifting of the anti-floating roof plate 40 is controlled by controlling the contraction of the lifting rope 22, the anti-floating roof plate is lowered, and the steel reinforcement cage is prevented from floating.

Claims

1. The underground continuous wall is characterized by comprising an underground continuous wall guide wall, a steel reinforcement cage hoisting system, a movable safety protection device and a notch auxiliary steel frame;

the underground continuous wall guide wall comprises a guide wall (2), a pair supporting plate (3), an anti-floating limiting key (5), a limiting plate (6) and a transverse pair supporting rod (12); a template (1) is arranged on the outer side of the guide wall (2); the limiting plate (6) is arranged at the bottom of the guide wall (2), the limiting plate (6) is provided with a connecting rod (7) with a connecting thread (9), a groove matched with the connecting rod (7) is reserved on the top limiting rod (8), and the top limiting rod (8) is connected with the connecting rod (7) to form an anti-floating limiting key (5); the opposite supporting plates (3) and the transverse opposite supporting rods (12) are combined into an inner supporting frame, the inner supporting frame is arranged on the inner side of the guide wall (2), and connecting insertion rods (13) on the transverse opposite supporting rods (12) are inserted into reserved insertion grooves (11) on the opposite supporting plates (3);

the steel reinforcement cage hoisting system comprises a steel reinforcement cage (15), hoisting rings (17) and a hoisting tool, wherein the hoisting rings (17) are bound on the bound steel reinforcement cage (15), the hoisting tool comprises a transverse hoisting rod (18), a middle connecting rod (20) and a hoisting rod (21), the upper part of the middle connecting rod (20) is provided with the hoisting rod (21), the upper part of the transverse hoisting rod (18) is provided with a top sliding block (25), the lower part of the transverse hoisting rod (18) is provided with a lifting hook (19), and the top sliding block (25) is matched with a hoisting rod slide way (23) in the middle connecting rod (20);

the movable safety protection device comprises wheels (26), support rods (27), a protection net (28), protection net clamping plates (29), inclined supports (30), sliding grooves (31), sliding rails (32), bolt holes (33), upper splicing plates (34) and lower splicing plates (35), wherein the support rods (27) and the inclined supports (30) form a support system on two sides of the protection device, the protection net clamping plates (29) are supported on the support rods (27), the protection net (28) is fixed on the protection net clamping plates (29), the wheels (26) are arranged at the bottom of the support rods (27), the wheels (26) slide in the sliding grooves (31) of the sliding rails (32), the upper splicing plates (34) and the lower splicing plates (35) are respectively arranged at two ends of the sliding rails (32), and the bolt holes (33) are respectively formed in the upper splicing plates (34) and the lower splicing plates (35);

the auxiliary type steel frame for the notch comprises a slide way (36), section steel (37), a sliding wheel (39), an anti-floating top plate (40), a sliding groove (41), a steel frame inclined strut (42) and a top plate (43), the sliding wheel (39) is installed at the bottom of the section steel (37), the section steel (37) is placed in the sliding groove (41) of the slide way (36), the section steel (37) adjacent to the same side is welded to the steel frame inclined strut (42) at the top of the section steel (37) to form a section steel frame, the top plate (43) is arranged at the top of the section steel (37), the section steel (37) is fixed on the top plate (43) to form a complete section steel frame, and the.

2. The underground continuous wall as claimed in claim 1, wherein the opposite bracing plates (3) are provided with connecting projections (10), and reserved slots (11) are reserved on the connecting projections (10); a connecting end block (14) is arranged on the transverse opposite brace rod (12), and a connecting inserted rod (13) is arranged on the connecting end block (14); the connecting convex block (10) is matched and connected with the connecting end block (14), and the reserved slot (11) is matched and connected with the connecting inserted bar (13).

3. Underground continuous wall according to claim 1, characterised in that lateral stop rods (16) are inserted at intervals on both sides of the guide wall (2).

4. Underground continuous wall according to claim 1, characterized in that two adjacent sliding rails (32) are spliced in a staggered manner, and the upper splice plate (34) is engaged with the lower splice plate (35) of the adjacent sliding rail and fixed by bolts (44).