CN113404008A - Pneumatic shield gate embedded part and construction method thereof - Google Patents
Pneumatic shield gate embedded part and construction method thereof Download PDFInfo
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- CN113404008A CN113404008A CN202110811951.7A CN202110811951A CN113404008A CN 113404008 A CN113404008 A CN 113404008A CN 202110811951 A CN202110811951 A CN 202110811951A CN 113404008 A CN113404008 A CN 113404008A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/40—Swinging or turning gates
- E02B7/44—Hinged-leaf gates
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/80—Ground anchors
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Abstract
The invention relates to a pneumatic shield gate embedded part and a construction method thereof, wherein the pneumatic shield gate embedded part comprises the following components: the bottom of the first support is fixed to the foundation bottom plate, the top of the first support is provided with a first limiting groove along the first installation control line, a plurality of groups of embedded parts are fixed above the first support along the first installation control line, the fixed heights of the plurality of groups of embedded parts are matched with the control elevation of the first installation control line, and two groups of embedded parts on the outer sides are respectively aligned to second installation control lines at two ends of the gate; install in a plurality of main crab-bolts of first spacing groove, its bottom cover is equipped with main crab-bolt bottom plate, and the upper and lower both sides that are located main crab-bolt bottom plate are screwed respectively and are had first fastening nut and the first adjusting nut that the first spacing groove was located to the slip card, and the top cover is equipped with the mold erection, and the upper and lower both sides that are located the mold erection are screwed respectively and are had second fastening nut and second adjusting nut, and a plurality of mold erection one-by-one detachably connect in the multiunit buries the piece. The construction method of the invention has the advantages of accurate positioning and simple installation.
Description
Technical Field
The invention relates to the field of starting shield gate construction, in particular to a pneumatic shield gate embedded part and a construction method thereof.
Background
The pneumatic shield gate for controlling the water level is widely applied to water conservancy facilities, can be arranged in a diversified mode according to site topography as water level control equipment with relatively low manufacturing cost and high installation speed, is convenient to install and low in maintenance cost, and therefore is effectively popularized and applied in relevant hydraulic industries.
At present, most of researches on the construction technology of the pneumatic shield gate are based on the form of an independent dam body, the related researches on the form of combining with a bridge are few, the construction of the pneumatic shield gate in the form of an upper bridge and a lower bridge is difficult, and particularly, the pneumatic shield gate embedded part is difficult to accurately position and install.
Disclosure of Invention
In order to solve the problems, the invention provides a pneumatic shield gate embedded part and a construction method thereof, which are accurate in positioning and simple in installation and solve the problem of difficult construction of an upper bridge lower gate type pneumatic shield gate.
The invention is realized by the following scheme: a pneumatic shield gate insert, comprising:
the gate installation control device comprises a first support, a plurality of embedded pieces and a plurality of second installation control lines, wherein the first support is arranged along a first installation control line at the bottom edge of a gate, the bottom of the first support is fixed to a foundation bottom plate, the top of the first support is provided with a first limiting groove along the first installation control line, a plurality of groups of embedded pieces are fixed above the first support along the direction of the first installation control line, the fixed heights of the plurality of groups of embedded pieces are matched with the control elevation of the first installation control line, and two groups of embedded pieces on the outer side are respectively opposite to the second installation control lines on the two end sides of the gate;
the interval arrangement install in a plurality of main crab-bolts of first spacing groove, the bottom cover of main crab-bolt is equipped with main crab-bolt bottom plate, be located on the main crab-bolt the upper and lower both sides of main crab-bolt bottom plate spiral shell respectively have screwed first fastening nut and slide card to locate the first adjusting nut of first spacing groove, the top cover of main crab-bolt is equipped with the mold installation that supplies the installation of gate base, be located on the main crab-bolt the upper and lower both sides spiral shell respectively of mold installation have screwed second fastening nut and second adjusting nut, and is a plurality of a pair of detachably of mold installation on the main crab-bolt is connected in the multiunit bury the piece.
The invention further improves the pneumatic shield brake embedded part, and also comprises:
a second support arranged along a third installation control line of the inhibition belt base, wherein the bottom of the second support is fixed to the foundation bottom plate, and the top of the second support is provided with a second limiting groove along the third installation control line;
the first limiting groove is formed in the upper portion and the lower portion of the first limiting groove, the first limiting groove is formed in the upper portion of the first limiting groove, the second limiting groove is formed in the lower portion of the second limiting groove, the first limiting groove is formed in the lower portion of the first limiting groove, the second limiting groove is formed in the lower portion of the second limiting groove, the first limiting groove and the second limiting groove are arranged in the lower portion of the second limiting groove in a sliding mode, the first limiting groove and the second limiting groove are arranged in the upper portion and the lower portion of the first limiting groove, the first limiting groove and the second limiting groove are arranged in the lower portion of the first limiting groove, and the second limiting groove are arranged in the lower portion of the second limiting groove.
The pneumatic shield brake embedded part is further improved in that the embedded part comprises a wedge-shaped embedded part and a root embedded part which are positioned on two opposite sides above the first limiting groove, the wedge-shaped embedded part and the root embedded part are fixed on the first support through connecting rods, and two end sides of the installation mold are respectively detachably connected to the wedge-shaped embedded part and the root embedded part.
The pneumatic shield brake embedded part is further improved in that the pneumatic shield brake embedded part further comprises at least one adjusting plate which is sleeved on more than two continuous main anchor bolts and connected with the main anchor bolt bottom plates in series, more than two through holes for the more than two main anchor bolts to penetrate through are continuously formed in the adjusting plate in a one-to-one correspondence mode, the total number of the through holes is equal to the number of the main anchor bolts, and the distance between every two adjacent through holes is equal to the design distance between every two adjacent main anchor bolts.
The invention further improves the pneumatic shield brake embedded part:
the first support is a channel steel;
first support is located between two adjacent earth anchor reinforcing bars of soleplate bottom, the both sides flange board one-to-one of first support welds in corresponding adjacent two the relative inboard of earth anchor reinforcing bar, seted up on the web of first support first spacing groove.
The pneumatic shield gate embedded part is further improved in that the pneumatic shield gate embedded part is arranged below a bridge, and a lifting point for lifting the gate is embedded in the bridge.
The invention also provides a construction method of the pneumatic shield gate embedded part, which comprises the following steps:
positioning a first installation control line at the bottom edge of the gate and a second installation control line at two end sides of the gate;
installing a first support in place along the first installation control line, enabling a first limiting groove formed in the top of the first support to coincide with the projection of the first installation control line, and fixing the bottom of the first support to a foundation slab;
providing a plurality of main anchor bolts, sleeving a first fastening nut, a main anchor bolt bottom plate and a first adjusting nut from the bottom of each main anchor bolt in sequence, and sleeving a second adjusting nut, an installation mold and a second fastening nut from the top of each main anchor bolt in sequence;
screwing the first adjusting nut of the main anchor bolt to enable the main anchor bolt to be screwed in the first adjusting nut for a certain depth, so that the top elevation of the main anchor bolt meets the design elevation requirement, then sequentially clamping the first adjusting nut of the main anchor bolt meeting the design elevation requirement in the first limiting groove, moving the corresponding first adjusting nut to a corresponding position in the clamping process, enabling the two main anchor bolts in the corresponding position to be respectively and correspondingly positioned on the two second installation control lines, enabling the distance between the adjacent main anchor bolts to meet the design distance requirement, and screwing the corresponding first fastening nut when each first adjusting nut is adjusted to the corresponding position to enable the corresponding main anchor bolt to be fixed;
in the top of first support is from gate one end side second installation control line to the other end side second installation control line is followed the fixed multiunit of first installation control line sequence interval buries the piece, makes the multiunit the fixed position of burying the piece and a plurality of the fixed position one-to-one of main anchor bolt, fixed height with the control elevation looks adaptation of first installation control line, wherein, has installed every group when burying the piece, it is corresponding to revolve wrong main anchor bolt second adjusting nut will the erecting die is adjusted to correspondingly bury behind the fixed height of piece, will the erecting die is connected to correspondingly bury the piece.
The construction method of the pneumatic shield gate embedded part is further improved in that:
positioning a first installation control line at the bottom edge of the gate and second installation control lines at two end sides of the gate, and positioning a third installation control line of a restraining belt base;
installing a second support in place along the third installation control line, enabling a second limiting groove formed in the top of the second support to coincide with the projection of the third installation control line, and fixing the bottom of the second support to a foundation slab;
providing a plurality of restraining belt anchor bolts, sleeving a third fastening nut, a restraining belt anchor bolt bottom plate and a third adjusting nut from the bottom of each restraining belt anchor bolt in sequence, and sleeving a fourth adjusting nut, a restraining belt groove and a fourth fastening nut from the top of each restraining belt anchor bolt in sequence;
screwing the third adjusting nut of the restraining belt anchor bolt to enable the restraining belt anchor bolt to be screwed into the third adjusting nut for a certain depth, so that the top elevation of the restraining belt anchor bolt meets the design elevation requirement, then sequentially clamping the third adjusting nut of the restraining belt anchor bolt meeting the design elevation requirement in the second limiting groove, and moving the corresponding third adjusting nut to a corresponding position in the clamping process, wherein the corresponding position meets the one-to-one correspondence between the fixed positions of the plurality of restraining belt anchor bolts and the design positions of the plurality of restraining belt bases, and screwing the corresponding third fastening nut to fix the corresponding restraining belt anchor bolt when each third adjusting nut is adjusted to the corresponding position;
when the suppression area crab-bolt is fixed the back, revolve soon the suppression area crab-bolt fourth adjusting nut will the suppression band groove is adjusted extremely behind the control elevation of third installation control line, will correspond the suppression area base is installed in the suppression band groove.
The construction method of the pneumatic shield gate embedded part is further improved in that:
providing a plurality of main anchor bolts, providing at least one adjusting plate, continuously arranging more than two through holes on the adjusting plate, wherein the total number of the through holes is the same as the number of the main anchor bolts, the distance between every two adjacent through holes is equal to the design distance between every two adjacent main anchor bolts, sleeving a first fastening nut from the bottom of each main anchor bolt, then correspondingly penetrating the main anchor bolts sleeved with the first fastening nuts into all the through holes one by one, sequentially sleeving a main anchor bolt bottom plate and a first adjusting nut from the bottom of each main anchor bolt, and fixing the main anchor bolt bottom plate and the adjusting plate to enable the main anchor bolts to form anchor bolt strings arranged at intervals at the design distance;
corresponding when first adjusting nut removes to corresponding position, only need with two in the relative outside the first adjusting nut of main crab-bolt removes respectively to two second installation control line department can satisfy two in the relative outside the main crab-bolt is to being located two respectively the second installation control line, and adjacent the interval of main crab-bolt satisfies the design interval requirement.
The construction method of the pneumatic shield gate embedded part is further improved in that the pneumatic shield gate embedded part is arranged below a bridge, and lifting points for lifting the gate are embedded in the bridge when the bridge is constructed.
The present invention includes but is not limited to the following benefits:
1. the first limiting groove and the first adjusting nut are arranged, so that the fixed position of the bottom of the main anchor bolt is accurately positioned; the accurate adjustment of the top elevation of the main anchor bolt is realized through the arrangement of the first adjusting nut, the main anchor bolt bottom plate and the first fastening nut;
through the arrangement of the second adjusting nut, the mounting mold and the second fastening nut, the accurate adjustment of the height position of the mounting mold is realized; through the arrangement of the multiple groups of embedded parts and the detachable connection of the installation mould and the embedded parts, the verticality of the main anchor bolt is ensured.
Through each regulation, the gate bottom plate can be accurately installed along the first installation control line and the two second installation control lines.
2. The third adjusting nut, the restraining belt anchor bolt bottom plate and the third fastening nut are arranged, so that the accurate adjustment of the top elevation of the restraining belt anchor bolt is realized; through the setting of fourth adjusting nut, suppression trough of belt and fourth fastening nut, realized the accurate regulation to the high position of suppression trough of belt. Through each adjustment, the inhibition belt base can be accurately installed along the third installation control line.
3. Through the setting of regulating plate, can realize fast the regulation to two adjacent main crab-bolts intervals, simplify the location installation procedure of main crab-bolt.
4. The channel steel structure of first support and its welding have guaranteed the steadiness of first support to the fixed form between the adjacent two earth anchor reinforcing bars in the soleplate, and then guarantee the whole steadiness of this pneumatic shield floodgate piece of burying.
Drawings
Fig. 1 shows a plan layout of the pneumatic shield gate insert and gate according to the invention.
Fig. 2 shows a schematic side view of the pneumatic shield embedment of the invention in mounted condition with the gate.
Fig. 3 shows a schematic side sectional view of a pneumatic shield brake insert according to the invention.
Fig. 4 shows a schematic side view of the installation tool, the main anchor bolt and the insert in the pneumatic shield gate insert according to the invention in the installed state.
Detailed Description
The traditional pneumatic shield brake equipment mainly comprises a steel structure, a power system, an air bag and a control system, wherein the steel structure comprises a brake pier plate, an air supply pipeline, a buried part, a clamping casting tool, a gate and the like, the power system comprises a micro-oil screw air compressor, a dry cooling machine, a general protective filter, a high-efficiency oil removal filter, an air storage tank, various valve groups, instruments and an electric switch, and the air bag and the control system comprise the air bag and air bag accessories. At present, most of researches on the construction technology of the pneumatic shield gate are based on the form of an independent dam body, little and little related researches on the form combined with a bridge are carried out, and the problems that the pneumatic shield gate is difficult to construct and the embedded part is difficult to accurately position and install are solved based on the use background of an upper bridge and a lower bridge.
Referring to fig. 1 and 2, two sets of pneumatic shield gate devices are arranged below the bridge, as shown in a and B in fig. 1, each set of pneumatic shield gate devices comprises a gate 11, an air bag 12 and a restraining belt 13. And the gate 11, the air bag 12 and the restraining belt 13 are fixed to the concrete foundation by the pneumatic shield brake embedment of the present invention. Therefore, the accurate positioning and installation of the pneumatic shield brake embedded part is particularly important for the construction of the pneumatic shield brake equipment.
The pneumatic shield brake embedded part and the construction method thereof are further explained by taking the pneumatic shield brake equipment under the bridge as a specific embodiment and combining the attached drawings.
As shown in fig. 3, a pneumatic shield brake embedment includes:
the first support 4 is arranged along a first installation control line O1 on the bottom edge of the gate 11, the bottom of the first support 4 is fixed to the foundation slab 6, a first limit groove is formed in the top of the first support 4 along the first installation control line O1, a plurality of groups of embedded parts are fixed above the first support 4 along the direction of the first installation control line O1, the fixed heights of the plurality of groups of embedded parts are matched with the control elevation of the first installation control line O1, and two groups of embedded parts on the outer side are respectively opposite to second installation control lines O2 on the two end sides of the gate.
The main anchor bolts 2 are arranged in the first limit groove at intervals, a main anchor bolt bottom plate 21 is sleeved at the bottom of each main anchor bolt 2, first fastening nuts 22 and first adjusting nuts 23 which are slidably clamped in the first limit groove are respectively screwed on the upper side and the lower side of the main anchor bolt bottom plate 21 on each main anchor bolt 2, an installation mold 24 for installing the bottom edge of the gate is sleeved at the top of each main anchor bolt 2, second fastening nuts 25 and second adjusting nuts 26 are respectively screwed on the upper side and the lower side of the installation mold 24 on each main anchor bolt 2, and the installation molds 24 on the main anchor bolts 2 are detachably connected with multiple groups of embedded parts one by one.
Specifically, the method comprises the following steps: the first support 4 is a channel steel; the first support 4 is located between two adjacent ground anchor steel bars (usually steel bars with a diameter of 16, 20cm anchored in the cushion layer and 15cm exposed) at the bottom of the foundation slab 6, the flange plates at two sides of the first support 4 are welded to the opposite inner sides of the two corresponding adjacent ground anchor steel bars in a one-to-one correspondence manner, and the web plate of the first support 4 is provided with the first limiting groove. Through the channel-section steel structure of first support 4 and its welding to the fixed form between the adjacent two earth anchor reinforcing bars in foundation slab 6, guaranteed the steadiness of first support 4, and then guarantee this pneumatic shield floodgate embedded member's whole steadiness.
Further, referring to fig. 4, each set of the embedded parts includes a wedge-shaped embedded part 27 and a root embedded part 28 located at two opposite sides above the first limiting groove, the wedge-shaped embedded part 27 and the root embedded part 28 are fixed on the first support 4 through a connecting rod, and two end sides of the installation mold 24 are detachably connected to the wedge-shaped embedded part 27 and the root embedded part 28, respectively. Through the above-mentioned multiunit buries a structure and the installation mould 24 is connected with the dismantlement of burying, has guaranteed the straightness that hangs down of main anchor 2.
In the embodiment, the fixed position of the bottom of the main anchor bolt 2 is accurately positioned by the arrangement of the first limit groove and the first adjusting nut 23; the accurate adjustment of the top elevation of the main anchor bolt 2 is realized through the arrangement of the first adjusting nut 23, the main anchor bolt bottom plate 21 and the first fastening nut 22; through the arrangement of the second adjusting nut 26, the mounting mold 24 and the second fastening nut 25, the accurate adjustment of the height position of the mounting mold 24 is realized; through each regulation, the gate bottom plate can be accurately installed along the first installation control line O1 and the two second installation control lines O2.
As a preferred embodiment, the pneumatic shield gate insert further comprises:
and a second support 5 arranged along a third installation control line O3 of the restraining belt base, wherein the bottom of the second support 5 is fixed to the foundation slab 6, and the top of the second support 5 is provided with a second limit groove along the third installation control line O3.
A plurality of restraining belt anchors 3 arranged at intervals in the second limit groove, wherein the bottom of the restraining belt anchor 3 is sleeved with a restraining belt anchor base plate 31, the restraining belt anchor 3 is provided with a third fastening nut 32 and a third adjusting nut 33 which are respectively screwed on the upper side and the lower side of the restraining belt anchor base plate 31 and are clamped in the second limit groove in a sliding manner, the top of the restraining belt anchor 3 is sleeved with a restraining belt groove 34 for accommodating the restraining belt base, and the restraining belt anchor 3 is provided with a fourth fastening nut 35 and a fourth adjusting nut 35 which are respectively screwed on the upper side and the lower side of the restraining belt groove 34.
In particular, the second support 5 preferably has the same structure as the first support 4, and will not be described in detail here. The third adjusting nut 33, the restraining belt anchor bolt base plate 31 and the third fastening nut 32 are arranged, so that the top elevation of the restraining belt anchor bolt 3 can be accurately adjusted; by the provision of the fourth adjusting nut 36, the restraining belt groove 34, and the fourth fastening nut 35, the precise adjustment of the height position of the restraining belt groove 5 is achieved. With the above adjustments, the inhibitor band mount is assured of being accurately installed along its third installation control line O3.
As a preferred embodiment, the starting shield gate embedded component further includes at least one adjusting plate simultaneously sleeved on more than two consecutive main anchor bolts 2 and serially connected to the corresponding main anchor bolt bottom plate 21, the adjusting plate is continuously provided with more than two through holes for the more than two main anchor bolts 2 to correspondingly penetrate one by one, the total number of the through holes is the same as the number of the main anchor bolts 2, and the distance between adjacent through holes is equal to the design distance between adjacent main anchor bolts 2.
Through the setting of this regulating plate, can realize the regulation to two adjacent main anchor bolt 2 intervals fast, simplify the location installation step of main anchor bolt 2.
Similarly, for a plurality of restraining belt anchors 3, a structure similar to the adjusting plate can be adopted to adjust the distance between two adjacent restraining belt anchors 3, so as to simplify the positioning and installation steps of the restraining belt anchors 3.
As a preferred embodiment, since the pneumatic shield gate equipment in this embodiment is disposed below the bridge, in order to facilitate hoisting the pneumatic shield gate equipment (including gates, gate piers, etc.) in place after the pneumatic shield gate embedded parts are constructed, in this embodiment, hoisting points for hoisting the pneumatic shield gate equipment such as gates, etc. are directly embedded in corresponding positions on the bridge when the bridge is constructed.
The invention also provides a construction method of the pneumatic shield gate embedded part, which is shown in the figures 1-3 and comprises the following steps:
step 1, positioning a first installation control line O1 at the bottom edge of the gate and a second installation control line O2 at two end sides of the gate.
And 2, installing the first support 4 in place along the first installation control line O1, enabling a first limiting groove formed in the top of the first support 4 to coincide with the projection of the first installation control line O1, and fixing the bottom of the first support 4 to the foundation slab 6. Specifically, the first support 4 is a channel steel, before the first support 4 is fixed, two ground anchor steel bars are respectively arranged at two opposite sides of the bottom of the foundation slab 6 corresponding to the first support 4, then the two opposite sides of the first support 4 are welded to the two opposite inner sides of the two corresponding ground anchor steel bars in a one-to-one correspondence manner, and then the first support 4 is relatively fixed through the steel bars on the upper portion of the foundation slab 6, so that the stability of the first support 4 is ensured.
And 3, providing a plurality of main anchor bolts 2, sleeving a first fastening nut 22, a main anchor bolt bottom plate 21 and a first adjusting nut 23 from the bottom of each main anchor bolt 2 in sequence, and sleeving a second adjusting nut 26, an installation mold 24 and a second fastening nut 25 from the top of each main anchor bolt 2 in sequence.
Step 4, screwing the first adjusting nut 23 of the main anchor bolt 2 to screw the main anchor bolt 2 into the first adjusting nut 23 by a certain depth so that the top height of the main anchor bolt 2 meets the design elevation requirement, then sequentially clamping the first adjusting nut 22 of the main anchor bolt 2 meeting the design elevation requirement in the first limiting groove, moving the first adjusting nut 22 to a corresponding position in the clamping process, wherein the corresponding position meets the requirement that two main anchor bolts 2 on the opposite outer sides are respectively aligned to two second installation control lines O2, the distance between the adjacent main anchor bolts 2 meets the design distance requirement, when each first adjusting nut 23 is adjusted to the corresponding position, screwing the corresponding first fastening nut 22 to fix the corresponding main anchor bolt 2, in order to ensure the fixing strength, after the first adjusting nut 23 and the second adjusting nut 26 are both adjusted in place, the main anchor bolt 2 and the first adjusting nut 23, the main anchor bolt bottom plate 21 and the first fastening nut 22 are fixed by spot welding on two surfaces, the welding seams between the first adjusting nut 23 and the main anchor bolt 2 and between the first fastening nut 22 and the main anchor bolt 2 are not less than 30%, and 3 edges of the welding seams between the first adjusting nut 23 and the main anchor bolt bottom plate 21 and between the first fastening nut 22 and the main anchor bolt bottom plate 21 are guaranteed. The height of the top of the main anchor bolt 2 is adjusted one by one through the first adjusting nut 22, so that the height of the top of the main anchor bolt 2 is flush with the wire hanging position (namely, the control height of the gate 11 along the first installation control line O1 is met), and the error does not exceed +/-3 mm.
And 5, sequentially fixing a plurality of groups of embedded parts from the second installation control line O2 at one end side of the gate 11 to the second installation control line O2 at the other end side of the gate above the first support 4 along the first installation control line O1 at intervals, enabling the fixing positions of the plurality of groups of embedded parts to correspond to the fixing positions of the main anchor bolts 2 one by one, and enabling the fixing height to be matched with the control elevation of the first installation control line O1, wherein when each group of embedded parts are installed, the second adjusting nuts 26 of the corresponding main anchor bolts 2 are screwed, the installation mold 24 is adjusted to the fixing height of the corresponding embedded parts, and then the installation mold 24 is connected to the corresponding embedded parts.
Specifically, as shown in fig. 4, each set of the embedded parts includes a wedge-shaped embedded part 27 and a root embedded part 28 located at two opposite sides above the first limiting groove, and the wedge-shaped embedded part 27 and the root embedded part 28 are fixed on the first support 4 through a connecting rod (may be fixed by welding through a steel bar). When a plurality of groups of the embedded parts are installed, the position of the first group of the embedded parts is firstly determined, the outer ends of the first group of the embedded parts are ensured to be tightly attached to the second installation control line O2 (namely, a gate pier plate control line arranged on the end side of the gate 1), the height is measured by using a level gauge, the horizontal level of the first group of the embedded parts is ensured by using a leveling instrument, and then the first group of the embedded parts are fixed (mainly two ends and the middle part are fixed, the two ends are respectively provided with the wedge-shaped embedded parts 27 and the root embedded parts 28, and the middle part is provided with the angle embedded parts for fixing the main anchor bolts 2). When the second group of embedded parts are installed, the position of the second group of embedded parts is measured by pulling a ruler from the position of a second installation control line O2 on one end side, and the second group of embedded parts are fixed according to the same steps as the first group of embedded parts. By analogy, the remaining sets of embedded components are sequentially installed (without skip installation) along the first installation control line O1 and need to be inspected after each set of embedded components is installed.
After the multiple groups of embedded parts are installed, the installation molds 24 are installed one by one, the installation molds 24 can be installed tightly to the corresponding embedded parts by adjusting the second adjusting nuts 26, and the second fastening nuts 25 are screwed tightly to fix the installation molds 24. Through the above-mentioned multiunit buries a structure and the installation mould 24 is connected with the dismantlement of burying the piece, has guaranteed the straightness that hangs down at main anchor 2 top.
After the pneumatic shield gate embedded part is installed, concrete is poured on the foundation slab 6 by adopting a traditional construction process, and hoisting and installation of pneumatic shield gate equipment are carried out after the pouring is finished.
As a preferred embodiment:
the third installation control line O3 of the restraining belt mount is positioned at the same time as the first installation control line O1 of the bottom edge of the shutter and the second installation control line O2 of both end sides of the shutter.
And installing a second support 5 in a position along the third installation control line O3, enabling a second limiting groove formed in the top of the second support 5 to coincide with the projection of the third installation control line O3, and fixing the bottom of the second support 5 to the foundation slab 6. The second support 5 may be constructed and fixed in the same manner as the first support 4.
A plurality of restraint strap anchors 3 are provided, a third fastening nut 32, a restraint strap anchor base plate 31, and a third adjusting nut 33 are successively fitted from the bottom of each restraint strap anchor 3, and a fourth adjusting nut 36, a restraint strap slot 34, and a fourth fastening nut 35 are successively fitted from the top of each restraint strap anchor 3.
Screwing the third adjusting nut 33 of the restraining-band anchor bolt 3 to screw the restraining-band anchor bolt 3 into the third adjusting nut 33 by a certain depth so that the top height of the restraining-band anchor bolt 3 meets the design elevation requirement, then sequentially clamping the third adjusting nut 33 of the restraining-band anchor bolt 3 meeting the design elevation requirement in the second limiting groove, moving the third adjusting nut 33 to a corresponding position in the clamping process, wherein the corresponding position meets the one-to-one correspondence between the fixing positions of the plurality of restraining-band anchor bolts 3 and the design positions of the plurality of restraining-band bases, and screwing the third fastening nut 32 to fix the corresponding restraining-band anchor bolt 3 when each third adjusting nut 33 is adjusted to the corresponding position.
After the restraining band anchor 3 is fixed, the fourth adjusting nut 36 of the restraining band anchor 3 is screwed to adjust the restraining band groove 34 to the controlled elevation of the third installation control line O3, and then the restraining band base is installed in the restraining band groove 34.
The adjustment of the top height of the restraining belt anchor 3 is based on the same principle as the adjustment of the top height of the main anchor 2, and the height adjustment of the restraining belt groove 34 is based on the same principle as the height adjustment of the installation jig 24, and will not be described in detail herein.
As a preferred embodiment:
providing a plurality of main anchor bolts 2, providing at least one adjusting plate, continuously arranging more than two through holes on the adjusting plate, wherein the total number of the through holes is the same as the number of the main anchor bolts 2, the distance between the adjacent through holes is equal to the design distance between the adjacent main anchor bolts 2, sleeving a first fastening nut 22 from the bottom of each main anchor bolt 2, then correspondingly penetrating the main anchor bolts 2 sleeved with the first fastening nuts 22 through all the through holes one by one, sleeving a main anchor bolt bottom plate 21 and a first adjusting nut 23 from the bottom of each main anchor bolt 2 in sequence, fixing the main anchor bolt bottom plate 21 and the adjusting plate, and enabling the main anchor bolts 2 to form anchor bolt strings arranged at the design distance.
When the first adjusting nut 23 is moved to the corresponding position, only the first adjusting nuts 23 of the two main anchor bolts 2 on the opposite outer sides are respectively moved to the two second installation control lines O2, so that the two main anchor bolts 2 on the opposite outer sides are respectively aligned to the two second installation control lines O2, and the distance between the adjacent main anchor bolts 2 satisfies the design distance requirement.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. A pneumatic shield gate insert, comprising:
the gate installation control device comprises a first support, a plurality of embedded pieces and a plurality of second installation control lines, wherein the first support is arranged along a first installation control line at the bottom edge of a gate, the bottom of the first support is fixed to a foundation bottom plate, the top of the first support is provided with a first limiting groove along the first installation control line, a plurality of groups of embedded pieces are fixed above the first support along the direction of the first installation control line, the fixed heights of the plurality of groups of embedded pieces are matched with the control elevation of the first installation control line, and two groups of embedded pieces on the outer side are respectively opposite to the second installation control lines on the two end sides of the gate;
the interval arrangement install in a plurality of main crab-bolts of first spacing groove, the bottom cover of main crab-bolt is equipped with main crab-bolt bottom plate, be located on the main crab-bolt the upper and lower both sides of main crab-bolt bottom plate spiral shell respectively have screwed first fastening nut and slide card to locate the first adjusting nut of first spacing groove, the top cover of main crab-bolt is equipped with the mold installation that supplies the installation of gate base, be located on the main crab-bolt the upper and lower both sides spiral shell respectively of mold installation have screwed second fastening nut and second adjusting nut, and is a plurality of a pair of detachably of mold installation on the main crab-bolt is connected in the multiunit bury the piece.
2. The pneumatic shield brake embedment of claim 1, further comprising:
a second support arranged along a third installation control line of the inhibition belt base, wherein the bottom of the second support is fixed to the foundation bottom plate, and the top of the second support is provided with a second limiting groove along the third installation control line;
the first limiting groove is formed in the upper portion and the lower portion of the first limiting groove, the first limiting groove is formed in the upper portion of the first limiting groove, the second limiting groove is formed in the lower portion of the second limiting groove, the first limiting groove is formed in the lower portion of the first limiting groove, the second limiting groove is formed in the lower portion of the second limiting groove, the first limiting groove and the second limiting groove are arranged in the lower portion of the second limiting groove in a sliding mode, the first limiting groove and the second limiting groove are arranged in the upper portion and the lower portion of the first limiting groove, the first limiting groove and the second limiting groove are arranged in the lower portion of the first limiting groove, and the second limiting groove are arranged in the lower portion of the second limiting groove.
3. The pneumatic shield brake embedment of claim 1, wherein the embedment includes a wedge embedment and a root embedment on opposite sides above the first retaining groove, the wedge embedment and the root embedment being secured to the first support by connecting rods, the opposite end sides of the installation mold being detachably connected to the wedge embedment and the root embedment, respectively.
4. The pneumatic brake shield embedding member of claim 1, further comprising at least one adjusting plate simultaneously sleeved on more than two continuous anchor bolts and connected in series with the corresponding anchor bolt bottom plate, wherein the adjusting plate is continuously provided with more than two through holes for the two anchor bolts to penetrate one by one, the total number of the through holes is the same as the number of the anchor bolts, and the distance between adjacent through holes is equal to the design distance between adjacent anchor bolts.
5. The pneumatic shield brake embedment of claim 1, wherein:
the first support is a channel steel;
first support is located between two adjacent earth anchor reinforcing bars of soleplate bottom, the both sides flange board one-to-one of first support welds in corresponding adjacent two the relative inboard of earth anchor reinforcing bar, seted up on the web of first support first spacing groove.
6. The pneumatic shield gate embedded part of claim 1, wherein the pneumatic shield gate embedded part is arranged below a bridge, and a lifting point for lifting the gate is embedded in the bridge.
7. A construction method of a pneumatic shield gate embedded part is characterized by comprising the following steps:
positioning a first installation control line at the bottom edge of the gate and a second installation control line at two end sides of the gate;
installing a first support in place along the first installation control line, enabling a first limiting groove formed in the top of the first support to coincide with the projection of the first installation control line, and fixing the bottom of the first support to a foundation slab;
providing a plurality of main anchor bolts, sleeving a first fastening nut, a main anchor bolt bottom plate and a first adjusting nut from the bottom of each main anchor bolt in sequence, and sleeving a second adjusting nut, an installation mold and a second fastening nut from the top of each main anchor bolt in sequence;
screwing the first adjusting nut of the main anchor bolt to enable the main anchor bolt to be screwed in the first adjusting nut for a certain depth, so that the top elevation of the main anchor bolt meets the design elevation requirement, then sequentially clamping the first adjusting nut of the main anchor bolt meeting the design elevation requirement in the first limiting groove, moving the corresponding first adjusting nut to a corresponding position in the clamping process, enabling the two main anchor bolts in the corresponding position to be respectively and correspondingly positioned on the two second installation control lines, enabling the distance between the adjacent main anchor bolts to meet the design distance requirement, and screwing the corresponding first fastening nut when each first adjusting nut is adjusted to the corresponding position to enable the corresponding main anchor bolt to be fixed;
in the top of first support is from gate one end side second installation control line to the other end side second installation control line is followed the fixed multiunit of first installation control line sequence interval buries the piece, makes the multiunit the fixed position of burying the piece and a plurality of the fixed position one-to-one of main anchor bolt, fixed height with the control elevation looks adaptation of first installation control line, wherein, has installed every group when burying the piece, it is corresponding to revolve wrong main anchor bolt second adjusting nut will the erecting die is adjusted to correspondingly bury behind the fixed height of piece, will the erecting die is connected to correspondingly bury the piece.
8. The construction method of the pneumatic shield brake embedded part according to claim 7, wherein:
positioning a first installation control line at the bottom edge of the gate and second installation control lines at two end sides of the gate, and positioning a third installation control line of a restraining belt base;
installing a second support in place along the third installation control line, enabling a second limiting groove formed in the top of the second support to coincide with the projection of the third installation control line, and fixing the bottom of the second support to a foundation slab;
providing a plurality of restraining belt anchor bolts, sleeving a third fastening nut, a restraining belt anchor bolt bottom plate and a third adjusting nut from the bottom of each restraining belt anchor bolt in sequence, and sleeving a fourth adjusting nut, a restraining belt groove and a fourth fastening nut from the top of each restraining belt anchor bolt in sequence;
screwing the third adjusting nut of the restraining belt anchor bolt to enable the restraining belt anchor bolt to be screwed into the third adjusting nut for a certain depth, so that the top elevation of the restraining belt anchor bolt meets the design elevation requirement, then sequentially clamping the third adjusting nut of the restraining belt anchor bolt meeting the design elevation requirement in the second limiting groove, and moving the corresponding third adjusting nut to a corresponding position in the clamping process, wherein the corresponding position meets the one-to-one correspondence between the fixed positions of the plurality of restraining belt anchor bolts and the design positions of the plurality of restraining belt bases, and screwing the corresponding third fastening nut to fix the corresponding restraining belt anchor bolt when each third adjusting nut is adjusted to the corresponding position;
when the suppression area crab-bolt is fixed the back, revolve soon the suppression area crab-bolt fourth adjusting nut will the suppression band groove is adjusted extremely behind the control elevation of third installation control line, will correspond the suppression area base is installed in the suppression band groove.
9. The construction method of the pneumatic shield brake embedded part according to claim 7, wherein:
providing a plurality of main anchor bolts, providing at least one adjusting plate, continuously arranging more than two through holes on the adjusting plate, wherein the total number of the through holes is the same as the number of the main anchor bolts, the distance between every two adjacent through holes is equal to the design distance between every two adjacent main anchor bolts, sleeving a first fastening nut from the bottom of each main anchor bolt, then correspondingly penetrating the main anchor bolts sleeved with the first fastening nuts into all the through holes one by one, sequentially sleeving a main anchor bolt bottom plate and a first adjusting nut from the bottom of each main anchor bolt, and fixing the main anchor bolt bottom plate and the adjusting plate to enable the main anchor bolts to form anchor bolt strings arranged at intervals at the design distance;
corresponding when first adjusting nut removes to corresponding position, only need with two in the relative outside the first adjusting nut of main crab-bolt removes respectively to two second installation control line department can satisfy two in the relative outside the main crab-bolt is to being located two respectively the second installation control line, and adjacent the interval of main crab-bolt satisfies the design interval requirement.
10. The construction method of the pneumatic shield gate embedded part according to claim 7, wherein the pneumatic shield gate embedded part is arranged below a bridge, and a lifting point for lifting the gate is pre-buried on the bridge when the bridge is constructed.
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| CN202110811951.7A CN113404008B (en) | 2021-07-19 | 2021-07-19 | Pneumatic shield gate embedded part and construction method thereof |
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| CN113404008B (en) | 2022-10-18 |
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