CN112942140A - Automatic adjustment method for descending beam mold body movable mold frame bottom mold system - Google Patents
Automatic adjustment method for descending beam mold body movable mold frame bottom mold system Download PDFInfo
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- 238000009415 formwork Methods 0.000 claims description 7
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- 238000013519 translation Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 18
- 239000003921 oil Substances 0.000 description 33
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
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Abstract
The invention discloses an automatic adjustment method of a descending beam mold body movable mold frame bottom mold system, which comprises the following steps that after the movable mold frame finishes the current pier span initial tensioning, the movable mold frame synchronously and vertically falls onto a longitudinally-moving sliding hinged support to finish demolding; removing a connecting bolt at a center seam of the bottom die by using an operating platform below the movable die frame, pushing a bottom die balance beam on the outer side of the bottom die to move outwards by using a transverse moving oil cylinder, pulling the bottom die to translate outwards to a position below a main beam of the die frame, and overturning and fixing the outer bottom die balance beam to the side of the main beam of the die frame; after hole passing, removing the locking between the bottom die and the main beam of the die frame, and pulling the balance beam of the bottom die to move inwards by using the transverse moving oil cylinder to drive the bottom dies on two sides to move inwards in a transverse manner; and lifting the operating platform by a beam end winch, installing an anchoring part between the bottom die and the main beam of the die frame, connecting bolts at the middle seam of the bottom die, and jacking the die frame to enable the die frame to reach the beam-making elevation so as to finish the automatic adjustment of the bottom die system. The invention has the advantages of simple operation, high automation degree, convenient use and high safety factor, greatly saves labor force and improves construction efficiency.
Description
Technical Field
The invention relates to the field of bridge construction, in particular to an automatic adjustment method for a descending beam formwork movable formwork bottom formwork system.
Background
When roads and railways run in large rivers, bridges are often used as the priority for crossing over the cutting, but are influenced by riverbed geology, water flow scouring, ship navigation and the like, available bridge positions are limited, and meanwhile, along with the development of high-speed railways, when a large bridge or a grand bridge with complex foundation engineering and high pier construction cost and a road close to cities and railway highways are dense and an iron road bridge and a highway bridge need to be built to connect the roads, the highway-railway dual-purpose bridge becomes the development trend of future bridges in order to reduce the construction cost and shorten the construction period. According to a common construction method, a drawer type movable formwork is adopted for carrying out die sinking mode through hole or cast-in-place support construction. These conventional construction methods have the following disadvantages: firstly, the requirement on the clean width of a pier body is strict in a drawer type die opening and hole passing mode, and the hole passing is difficult when a double-width railway box girder is constructed; secondly, the construction of the cast-in-place support is adopted to increase the work load of the support, so that the great waste of manpower, material resources and time is caused, and the requirement of construction production is not facilitated.
Disclosure of Invention
In order to solve the problem that a drawer type die opening and hole passing mode in the prior art is not suitable for synchronous construction of double-width railway box girders, the invention provides an automatic adjustment method for a descending type girder die combination movable die frame bottom die system, the system has high automation degree, and the use method is simple, convenient and easy to implement, and is mainly suitable for railway box girder construction when the pier top width exceeds the girder bottom width by more than 2m, particularly for construction of a highway-railway dual-purpose bridge.
The invention provides an automatic adjustment method of a descending beam mold combination movable mold frame bottom mold system, wherein a transverse bottom mold balance beam is arranged on the outer side of a bottom mold of the descending beam mold combination movable mold frame bottom mold system, and the bottom mold balance beam and the bottom mold are connected through a longitudinal balance beam upper connecting pin shaft and a balance beam lower connecting pin shaft; the automatic adjustment method comprises the following steps:
after the initial tensioning of the current pier span is completed, the whole movable formwork vertically falls onto the longitudinally-moving sliding hinged support to complete demoulding;
removing the connection at the center seam of the bottom die and the anchoring between the bottom die and the main beam of the die frame by using an operating platform below the movable die frame;
lowering the operation platform to the ground;
translating the bottom die balance beam outwards to drive the bottom die to translate to the position below the main beam of the die frame; fixing a bottom die on the main beam of the die frame, removing a connecting pin shaft below the balance beam, turning the balance beam of the bottom die upwards, and anchoring the balance beam of the bottom die on the side wall of the main beam of the die frame;
moving the die carrier through hole;
releasing the anchoring between the bottom die balance beam and the die frame main beam, turning the bottom die balance beam downwards to a horizontal position, and installing a lower connecting pin shaft of the balance beam to enable the left bottom die, the right bottom die and the bottom die balance beam to move inwards;
and lifting the operating platform, installing a connecting mechanism at the middle seam of the bottom die, finely adjusting the longitudinal and transverse station positions of the movable die frame, jacking the movable die frame, and enabling the movable die frame to reach the beam-making elevation to finish the automatic adjustment of the bottom die system.
On the basis of the technical scheme, the top surfaces of the bottom die and the bottom die balance beam are lower than the bottom surface of the main beam of the die frame, and the bottom die balance beam and the bottom die can move left and right relative to the main beam of the die frame.
On the basis of the technical scheme, the bottom die balance beam is connected to the outer side wall of the die carrier main beam through the transverse moving oil cylinder, and two ends of the transverse moving oil cylinder are connected with the bottom die balance beam and the outer side wall of the die carrier main beam through the hinged pieces respectively.
On the basis of the technical scheme, the balance beam upper connecting pin shaft and the balance beam lower connecting pin shaft are installed simultaneously: when the traversing oil cylinder extends, the bottom die balance beam translates outwards; when the transverse oil cylinder is shortened, the bottom die balance beam translates inwards around the connecting pin shaft on the balance beam.
On the basis of the technical scheme, when the balance beam is installed, the connecting pin shaft is connected with the balance beam and removed, the connecting pin shaft is connected with the balance beam: when the transverse moving oil cylinder extends, the bottom die balance beam is downwards overturned to a horizontal position around a connecting pin shaft on the balance beam; when the transverse oil cylinder is shortened, the bottom die balance beam upwards turns around the connecting pin shaft on the balance beam.
On the basis of the technical scheme, one end of the transverse moving oil cylinder, which is connected with the bottom die balance beam, is hinged with a sliding shoe, the sliding shoe takes the bottom die balance beam as a sliding rail, a transverse moving top plate is hinged in the sliding shoe, and the bottom die balance beam is axially provided with a plurality of limiting holes for inserting the lower end of the transverse moving top plate. Specifically, the sliding shoe comprises a sliding shoe box body which is positioned on two sides of the sliding rail, a first articulated shaft and a second articulated shaft are arranged on the sliding shoe box body, a transverse moving top plate is parallel to the sliding shoe box body, the upper end of the transverse moving top plate is articulated on the first articulated shaft, and an inner limiting pin hole and an outer limiting pin hole are further formed in the sliding shoe box body; the second articulated shaft is located first articulated shaft inboard top, and sideslip hydro-cylinder tip passes through the second articulated shaft and articulates on the piston shoe.
On the basis of the technical scheme, the outer side wall of the main beam of the die frame is further provided with a balance beam hook, the inner side of the balance beam hook is provided with a positive pressure wheel set, the outer side of the balance beam hook is provided with a back pressure wheel set, the positive pressure wheel abuts against the lower surface of the balance beam of the bottom die to be contacted, and the back pressure wheel abuts against the upper surface of the balance beam of the bottom die.
On the basis of the technical scheme, when the connecting pin shaft on the balance beam and the connecting pin shaft under the balance beam are positioned on the back pressure wheel set and translate to the outer side, the connecting pin shaft under the balance beam is detached, and the bottom die balance beam is turned over up and down.
On the basis of the technical scheme, one end of the transverse oil cylinder, which is connected with the outer side wall of the main beam of the die set, is connected to the balance beam hook through the articulated shaft.
On the basis of the technical scheme, the beam-end winch is adopted to lift the operating platform, after the operating platform is lowered to the ground, the connection between the operating platform and the hoisting hoist is removed, the operating platform is transported to the next hole span, and then the hoisting hoist is connected to hoist to the designed position.
The invention has the following advantages and beneficial effects:
1. according to the principle of a mechanical lever mechanism, the sliding shoe realizes that the oil cylinder pushes the bottom die cross beam to slide inwards or outwards due to different positions of the pin shafts inside the sliding shoe; a plurality of rectangular square holes are equidistantly arranged on a bottom die balance beam, the transverse moving oil cylinder pushes the sliding shoes to drive one ends of transverse moving top plates in the transverse moving sliding shoes to extend into the square holes, and the corresponding transverse moving direction is limited by different positions of pin shafts in the transverse moving sliding shoes, so that the oil cylinder pushes a bottom die cross beam to slide inwards or outwards. The direction of the pin shaft is changed only once, and the pin shaft does not need to be manually changed when the oil cylinder is pushed or pulled every time, so that the labor force is greatly saved.
2. When the die carrier is moved to pass through the hole, the hydraulic oil cylinder is used for overturning the movable joint of the balance beam of the bottom die, the whole via hole clear width of the die carrier is reduced, the condition that the conventional via hole needs a crane to be operated in a matching mode is avoided, the operation is easy, the application range is wide, the via hole efficiency is guaranteed, and the construction cost is saved.
3. The bottom die system adjusting method provided by the invention is simple, good in economical efficiency and convenient to construct.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a drawing of a bottom die traversing device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a slipper of an embodiment of the present invention inserted into an inner limiting pin;
FIG. 3 is a schematic view of a slipper of an embodiment of the present invention inserted into an outer limit pin;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 5 is a cross-sectional view of a pier top support provided by an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a mid-span provided by an embodiment of the present invention;
FIG. 7 is a cross-sectional front view of a via provided in accordance with an embodiment of the present invention;
fig. 8 is a schematic plan view of a bottom die system according to an embodiment of the present invention;
in the figure: 1-supporting oil cylinder, 2-longitudinally moving sliding hinged support, 3-operating platform, 4-lifting hoist, 5-transversely moving oil cylinder, 6-bottom die balance beam, 7-connecting pin shaft on balance beam, 8-first finish rolling deformed steel bar, 9-second finish rolling deformed steel bar, 10-positive pressure wheel group, 11-counter pressure wheel group, 12-balance beam hook, 13-sliding shoe, 14-inner limit pin hole, 15-connecting pin shaft under balance beam, 16-outer limit pin hole, 17-first hinge shaft, 18-second hinge shaft and 19-transversely moving top plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it should be noted that, in the following embodiments, the terms "longitudinal", "transverse", "inside", "outside" and "inside" are used in relation to the frame main beam, and the terms "upper", "lower" and the like indicate orientations or positional relationships based on those shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiment of the invention provides an automatic adjusting method for a descending beam mold body movable mold frame bottom mold system, which can solve the problem of clear width of a via hole. The movable bottom die balance beam is arranged on the bottom die, the bottom die and the main beam of the die frame are connected into a whole by the bottom die balance beam, the bottom die is translated to the bottom of the main beam of the die frame, and the movable bottom die balance beam is turned upwards and then fixed on the side wall of the main beam of the die frame, so that the whole width of the movable die frame is reduced.
As shown in fig. 1 to 8, in the descending beam mold combination movable mold frame bottom mold system provided by the present invention, a horizontal bottom mold balance beam 6 is arranged on the outer side of the bottom mold, and the bottom mold balance beam 6 and the bottom mold are connected by a vertical balance beam upper connecting pin 7 and a balance beam lower connecting pin 15. The bottom die is connected to the side wall of the main die frame beam through the bottom die balance beam 6, the top surface of the bottom die and the bottom die balance beam 6 are lower than the bottom surface of the main die frame beam, and the bottom die balance beam 6 and the bottom die can move left and right relative to the main die frame beam.
Further, the top surfaces of the bottom die and the bottom die balance beam 6 are lower than the bottom surface of the main beam of the die frame, and the bottom die balance beam 6 and the bottom die can move left and right relative to the main beam of the die frame. Specifically, the bottom die balance beam 6 is connected to the outer side wall of the main beam of the die set through the transverse moving oil cylinder 5, and two ends of the transverse moving oil cylinder 5 are connected with the bottom die balance beam 6 and the outer side wall of the main beam of the die set through hinged pieces respectively. And simultaneously installing a connecting pin shaft 7 on the balance beam and a connecting pin shaft 15 under the balance beam: when the transverse moving oil cylinder 5 extends, the bottom die balance beam 6 translates outwards; when the traversing cylinder 5 is shortened, the bottom die balance beam 6 translates inwards around the connecting pin shaft 7 on the balance beam. When the connecting pin shaft 7 is installed on the balance beam and the connecting pin shaft 15 is removed from the balance beam: when the transverse moving oil cylinder 5 extends, the bottom die balance beam 6 downwards overturns to a horizontal position around a connecting pin shaft 7 on the balance beam; when the traversing cylinder 5 is shortened, the bottom die balance beam 6 turns upwards around the connecting pin shaft 7 on the balance beam.
Referring to fig. 1 to 5, on the basis of the above technical solution, one end of the traverse cylinder 5 connected to the bottom die balance beam 6 is hinged to a sliding shoe 13, the sliding shoe 13 uses the bottom die balance beam 6 as a sliding rail, the sliding shoe 13 includes sliding shoe boxes located at two sides of the sliding rail, a traverse top plate 19 parallel to the sliding shoe boxes is arranged in the sliding shoe boxes, the traverse top plate 19 is hinged to the sliding shoe boxes at two sides through a first hinge shaft 17, and an inner limit pin hole 14 and an outer limit pin hole 16 are further arranged at the lower part of the sliding shoe boxes, wherein the inner limit pin hole 14 is located below the inner side of the first hinge shaft 17, the outer limit pin hole 16 is located below the outer side of the first hinge shaft 17, and when a plug pin is inserted into the outer limit pin hole 16, the traverse top plate 19 only rotates; the traverse top plate 19 rotates counterclockwise only about the first hinge axis 17 when the pin is inserted into the inner stopper pin hole 14. And a plurality of rectangular square holes are arranged on the top plate of the bottom die balance beam 6 at equal intervals along the axial direction, the lower end of the transverse moving top plate 19 is inserted into the rectangular square holes at different positions in sequence, and the bottom die balance beam 6 is pulled or pushed to translate. And second articulated shafts 18 are arranged on the box bodies on the two sides of the sliding shoe 13, the second articulated shafts 18 are positioned above the inner side of the first articulated shaft 17, and the end part of the transverse moving oil cylinder 5 is articulated between the box bodies on the two sides of the sliding shoe 13 through the second articulated shafts 18. When the outer limit pin hole 16 is inserted into the pin shaft, the transverse moving oil cylinder 5 is shortened, so that the transverse moving top plate 19 pulls the bottom die balance beam 6 to slide inwards; when the inner limit pin hole 14 is inserted into the pin shaft, the transverse moving oil cylinder 5 extends, and the transverse moving top plate 19 pushes the bottom die balance beam 6 to move outwards in a translation mode.
Furthermore, a balance beam hook 12 is further arranged on the outer side wall of the main beam of the die frame, a positive pressure wheel set 10 is arranged on the inner side of the balance beam hook 12, a negative pressure wheel set 11 is arranged on the outer side of the balance beam hook 12, the positive pressure wheel 10 abuts against the lower surface of the bottom die balance beam 6 to be contacted, and the negative pressure wheel 11 abuts against the upper surface of the bottom die balance beam 6. And when the upper connecting pin shaft 7 and the lower connecting pin shaft 15 of the balance beam are positioned on the back pressure wheel set 11 and translated to the outer side, the lower connecting pin shaft 15 of the balance beam is removed, and the bottom die balance beam 6 is turned over up and down. Preferably, one end of the transverse moving oil cylinder 5, which is connected with the outer side wall of the main beam of the die carrier, is connected to the balance beam hook 12 through a hinged shaft.
The invention provides an automatic adjustment method of a descending beam mold body movable mold frame bottom mold system, which comprises the following steps: firstly, moving a mould frame to finish primary tensioning of a current span cast-in-place beam, dismantling a pier top loose bottom mould, synchronously and vertically dropping the mould frame onto a longitudinal movement sliding hinged support 2 for longitudinal movement of the mould frame under the action of a support oil cylinder 1, and completely disengaging the support oil cylinder 1, wherein the bottom mould is completely disengaged from a beam body; removing a connecting bolt at the middle seam of the bottom die by using the operating platform 3 below the die frame, and removing the first finish-rolled deformed steel bar 8 anchoring the bottom die beam; and (3) lowering the operation platform 3 to the ground, releasing the connection between the operation platform 3 and the hoisting hoists 4 at the two ends, and transporting the operation platform 3 to the next hole span. Inserting the inner limit pin hole 14, and translating the bottom die outwards by 2.9m by using the transverse moving oil cylinder 5; threading a second finish rolling twisted steel 9, and fixing the bottom die and the die frame main beam; and inserting an outer limit pin hole 16, removing a connecting pin shaft 15 below the balance beam, operating the transverse moving oil cylinder 5, automatically retracting the bottom die balance beam 6 on the outermost side, rotating the bottom die balance beam around the connecting pin shaft 7 on the balance beam, and entering a via hole preparation state. The whole die carrier is longitudinally moved to reach a new beam manufacturing position; starting the transverse moving oil cylinder 5, automatically retracting the bottom die balance beam 6 on the outermost side, removing the second finish-rolled deformed steel bar 9 between the bottom die and the main beam of the die frame, inserting a lower connecting pin shaft 15 of the bottom die balance beam 6, starting the transverse moving oil cylinder 5, and transversely moving the bottom dies on two sides inwards by 2.9 m; lifting the operating platform 3 by a beam-end winch, installing a first finish-rolled deformed steel bar 8 between the bottom die and the main beam of the die frame, and installing a connecting bolt in the middle of the bottom die; finely adjusting the longitudinal and transverse station positions of the die carrier; and (5) jacking the die frame to finish the automatic adjustment of the bottom die system.
The method specifically comprises the following steps:
the construction method comprises the following steps: firstly, the movable formwork completes the current pier span concrete pouring, the concrete strength and the elastic modulus both reach the design value of 90 percent, and the beam body primary tensioning operation is completed; and removing the pier top loose die.
And a second construction step: under the condition that the wind power is not more than 6 levels, the movable mould frame synchronously and vertically falls under the action of the supporting oil cylinder 1, finally falls onto the longitudinally-shifted sliding hinged support 2 for longitudinally shifting the movable mould frame, and the supporting oil cylinder 1 is completely emptied, and at the moment, the outer mould is completely separated from the beam body; secondly, the operation platform 3 below the movable mould frame is used for removing the connection of the center seam of the bottom mould and removing the anchoring of the bottom mould and the main beam of the mould frame; and thirdly, the operation platform 3 at the bottom of the movable mould frame is dropped to the ground, the connection between the operation platform 3 and the hoisting block 4 is released, and the operation platform 3 is transported to the next hole span. Fourthly, the bottom die is translated left and right by using the transverse moving oil cylinder 5 to avoid the cushion stone; finish-rolling twisted steel bars are threaded between the upper bottom die and the die carrier main beam, one template is ensured to be threaded, and the bottom die and the die carrier main beam are fixed; sixthly, operating the transverse moving oil cylinder 5 to automatically retract the bottom die balance beam 6 on the outermost side, enabling the bottom die balance beam to rotate around a connecting pin shaft 7 on the balance beam and entering a via hole preparation state.
And a third construction step: firstly, various preparation works before the hole passing are checked and accepted, and the signing procedure is handled, so that the die frame can start to walk to pass the hole after the requirements are met; moving the whole die carrier longitudinally, and leading the end part of the girder to the next pier top cushion seat.
The construction step four: continuously longitudinally moving a movable mould frame to reach a new beam manufacturing position; secondly, removing the locking between the bottom die and the main beam of the die frame, starting the transverse moving oil cylinder 5, and moving the bottom dies on two sides inwards; lifting the operating platform 3 by a beam end winch, installing an anchor bolt between the bottom die and the main beam of the die frame, and installing a connecting bolt in the middle of the bottom die; fine-tuning the longitudinal and transverse station positions of the movable mould frame; and fifthly, jacking the die carrier to enable the die carrier to reach the beam-making elevation, and completing the automatic adjustment of the bottom die system.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A descending beam mold body movable mold frame bottom mold system automatic adjustment method is characterized in that: a transverse bottom die balance beam (6) is arranged on the outer side of a bottom die of the bottom die system of the descending beam die combination movable die frame, and the bottom die balance beam (6) is connected with the bottom die through a longitudinal balance beam upper connecting pin shaft (7) and a balance beam lower connecting pin shaft (15); the automatic adjustment method comprises the following steps:
after the initial tensioning of the current pier span is finished, the whole movable formwork vertically falls onto the longitudinally-moving sliding hinged support (2) to finish demoulding;
the connection of the bottom die center joint and the anchoring between the bottom die and the main beam of the die frame are released by using an operating platform (3) below the movable die frame;
the operation platform (3) is put down to the ground;
the bottom die balance beam (6) is translated outwards to drive the bottom die to translate to the position below the main beam of the die frame; fixing a bottom die on a main beam of the die frame, removing a lower connecting pin shaft (15) of the balance beam, turning the balance beam (6) of the bottom die upwards, and anchoring the balance beam of the bottom die on the side wall of the main beam of the die frame;
moving the die carrier through hole;
releasing the anchoring between the bottom die balance beam (6) and the main beam of the die frame, turning the bottom die balance beam (6) downwards to a horizontal position, and installing a connecting pin shaft (15) below the balance beam to enable the left and right bottom dies and the bottom die balance beam (6) to move inwards;
and lifting the operating platform (3), installing a connecting mechanism at the middle seam of the bottom die, finely adjusting the longitudinal and transverse station positions of the movable die frame, and jacking the movable die frame to enable the movable die frame to reach the beam-making elevation so as to finish the automatic adjustment of the bottom die system.
2. The method for automatically adjusting the bottom mold system of a descending beam mold body moving mold frame according to claim 1, wherein: the top surfaces of the bottom die and the bottom die balance beam (6) are lower than the bottom surface of the die frame main beam, and the bottom die balance beam (6) and the bottom die can move left and right relative to the die frame main beam.
3. The method for automatically adjusting the bottom mold system of a descending beam mold body moving mold frame according to claim 2, wherein: the die holder balance beam (6) is connected to the outer side wall of the die holder main beam through a transverse moving oil cylinder (5), and two ends of the transverse moving oil cylinder (5) are connected with the die holder balance beam (6) and the outer side wall of the die holder main beam through hinged pieces respectively.
4. The method of claim 3, wherein the method comprises the following steps: and simultaneously installing an upper connecting pin shaft (7) of the balance beam and a lower connecting pin shaft (15) of the balance beam: when the transverse moving oil cylinder (5) extends, the bottom die balance beam (6) moves outwards in a translation way; when the transverse moving oil cylinder (5) is shortened, the bottom die balance beam (6) translates inwards around the connecting pin shaft (7) on the balance beam.
5. The method of claim 3, wherein the method comprises the following steps: when connecting pin (7) on the installation compensating beam, demolish connecting pin (15) under the compensating beam: when the transverse moving oil cylinder (5) extends, the bottom die balance beam (6) turns downwards to a horizontal position around a connecting pin shaft (7) on the balance beam; when the transverse moving oil cylinder (5) is shortened, the bottom die balance beam (6) is upwards overturned around the connecting pin shaft (7) on the balance beam.
6. The method of claim 3, wherein the method comprises the following steps: one end that die block compensating beam (6) is connected in sideslip hydro-cylinder (5) articulates there is piston shoe (13), piston shoe (13) with die block compensating beam (6) are the slide rail, it has sideslip roof (19) to articulate in piston shoe (13), die block compensating beam (6) are equipped with the spacing hole that a plurality of supplied sideslip roof (19) lower extreme male along the axial.
7. The method of claim 6, wherein the method comprises the following steps: the sliding shoe (13) comprises a sliding shoe box body which is positioned on two sides of the sliding rail, a first articulated shaft (17) and a second articulated shaft (18) are arranged on the sliding shoe box body, the transverse moving top plate (19) is parallel to the sliding shoe box body, the upper end of the transverse moving top plate is articulated on the first articulated shaft (17), and an inner limiting pin hole (14) and an outer limiting pin hole (16) are further arranged on the sliding shoe box body; the second articulated shaft (18) is positioned above the inner side of the first articulated shaft (17), and the end part of the transverse moving oil cylinder (5) is articulated on the sliding shoe (13) through the second articulated shaft (18).
8. The method of claim 3, wherein the method comprises the following steps: the outer side wall of the main beam of the die set is also provided with a balance beam hook (12), the inner side of the balance beam hook (12) is provided with a positive pressure wheel set (10), the outer side of the balance beam hook (12) is provided with a negative pressure wheel set (11), the positive pressure wheel (10) abuts against the lower surface of the balance beam (6) of the bottom die to be contacted, and the negative pressure wheel (11) abuts against the upper surface of the balance beam (6) of the bottom die; and when the upper connecting pin shaft (7) of the balance beam and the lower connecting pin shaft (15) of the balance beam are positioned on the back pressure wheel set (11) and are translated to the outer side, the lower connecting pin shaft (15) of the balance beam is detached, and the bottom die balance beam (6) is turned over up and down.
9. The method of claim 8, wherein the method comprises the following steps: one end of the transverse moving oil cylinder (5) connected with the outer side wall of the main beam of the die carrier is connected to the balance beam hook (12) through a hinged shaft.
10. The method for automatically adjusting the bottom mold system of a descending beam mold body moving mold frame according to claim 1, wherein: and (3) lifting the operating platform (3) by adopting a beam-end winch, removing the connection between the operating platform (3) and the hoisting hoist (4) after the operating platform (3) is lowered to the ground, transporting the operating platform (3) to the next hole span, connecting the hoisting hoist (4) and hoisting to a designed position.
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