A plastic mold for high-speed railway piers
By replacing the steel formwork with lightweight plastic molds and assembling multiple structural modules, the problems of high labor intensity, high safety risks and high cost in the construction of existing high-speed rail piers are solved, and a more efficient and safe construction process and lower costs are achieved.
Patent Information
- Application Number
- CN201911021807.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-10-25
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2039-10-25
AI Technical Summary
The existing high-speed rail piers use steel formwork in construction, which leads to high labor intensity, low operating efficiency and high operating safety risks. At the same time, the transportation cost of steel formwork is also high, which increases construction costs.
Lightweight plastic molds are used to replace steel molds. By assembling pier body mold combinations, pier cap mold combinations, hoops, crossbars, connecting rods, columns and other structures, the connection between the molds is achieved by using multiple small bolts and small nuts to fix the connection between the molds.
It reduces the production and transportation costs of high-speed rail piers, improves the assembly efficiency and safety guarantee of operators, reduces the labor intensity of workers, and achieves 50% weight reduction of the overall structure.
Smart Images

Figure CN110629679B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of plastic molds, and particularly to a plastic mold for high-speed railway piers. Background Art
[0002] The construction of high-speed railways has become a key-supported and key-developed industry in the current national economic construction of our country. The construction of piers is the basic project of high-speed railway construction. At present, before pouring cement for high-speed railway piers, a method combining a crane and manual labor is first adopted. Through thousands of bolts and nuts, hundreds of independent steel templates are connected and assembled layer by layer from bottom to top at the construction site to form a steel pier mold. Due to the large weight of the steel template material itself, and the connection between the steel templates by bolts and nuts, the labor intensity of the operating workers is also quite large. Therefore, using steel templates to build railway piers is difficult for operating workers. The long-term assembly work will reduce the operating efficiency of the workers, and there are also great operation safety risks. The transportation cost of steel templates is also high, increasing the construction cost of high-speed railway construction. Summary of the Invention
[0003] The purpose of the present invention is to provide a plastic mold combination using plastic mold pieces to replace steel templates. By utilizing the characteristics of light weight of plastic mold pieces, a plastic mold for high-speed railway piers that is easy to manually carry, assemble on-site, and has a stable structure is provided, reducing the production and transportation costs, improving the assembly efficiency of operating workers, and reducing the operation risks of workers.
[0004] To achieve the above object, the present invention provides the following technical solutions: A plastic mold for a high-speed railway pier, comprising a pier body plastic mold combination, a pier cap plastic mold combination, low reinforcing ribs, high reinforcing ribs, hoop, crossbar, connecting rod, column, pier cap side connecting rod; The pier body plastic mold combination includes: a pier body middle mold piece, a pier body arc-shaped mold piece, pier body left and right mold pieces, and a pier body U-shaped boss; The pier cap plastic mold combination includes: a pier cap middle mold piece, a pier cap bell-shaped mold piece, pier cap left and right mold pieces, and a pier cap U-shaped boss; The hoop includes: a hoop body, a connecting bracket, a reinforcing plate, a connecting plate A, and a connecting plate B; The crossbar includes: a crossbar body, a crossbar right-angle plate, a steel tie rod hole, a connecting plate C, a connecting plate D, and a connecting plate E; The connecting rod includes: a connecting rod body, a connecting rod end panel, and a connecting plate F; The column includes: a column body, a column end panel, a support, and a connecting plate H; The pier cap side connecting rod includes: a pier cap side connecting rod body, a side connecting rod body end panel, a diagonal brace, and a connecting plate G; Upper flanges, lower flanges, right flanges, and left flanges are provided on the pier body middle mold piece, the pier body arc-shaped mold piece, the pier body left and right mold pieces, the pier cap middle mold piece, the pier cap bell-shaped mold piece, and the pier cap left and right mold pieces. At the same time, a plurality of small bolt holes are provided so that the mold pieces can be fixed to each other through small bolts and small nuts. A long positioning boss is provided on the upper flange of each mold piece, and a long positioning groove is provided on the lower flange, and the two are combined into a movable fit; A short positioning boss is provided on the right flange of each mold piece, and a short positioning groove is provided on the left flange, and the two are combined into a movable fit; A plurality of reinforcing ribs are provided on the outer surface of each mold piece in both horizontal and vertical directions, forming a plurality of squares on the outer surface of the mold piece. Among them, the horizontal reinforcing ribs corresponding to the hoop and the crossbar are low reinforcing ribs, and the rest are high reinforcing ribs; There are at least 4 columns, symmetrically arranged around the plastic mold of the high-speed railway pier in the vertical direction. The columns arranged around the pier cap plastic mold combination and the columns around the pier body plastic mold combination are in a straight line from top to bottom and are fixedly connected through two middle bolts and middle nuts on the column end panel; The connecting rod is arranged along the vertical direction of the pier body plastic mold combination. A plurality of pier cap side connecting rods and connecting rods are arranged in the vertical direction of the pier cap plastic mold combination. The connecting rods around the pier body plastic mold combination are correspondingly connected to the pier cap side connecting rods and connecting rods of the pier cap plastic mold combination, and the two are fixedly connected through two middle bolts and middle nuts on the connecting rod end panel and the side connecting rod body end panel.
[0005] Further, a pier body U-shaped boss and a pier cap U-shaped boss are respectively provided on the pier body middle mold piece and the pier cap middle mold piece. A steel tie rod is provided in the concave portion of the U-shaped boss. A plastic sleeve with a clearance fit with the outer surface of the steel tie rod is sleeved on the outer surface of the steel tie rod. The steel tie rod extends out of the pier body middle mold piece and the pier cap middle mold piece, passes through the steel tie rod hole on the crossbar, and is fixed at both ends through locking nuts.
[0006] Furthermore, the pier body plastic mold combination is formed by enclosing two middle pier body mold pieces, two arc-shaped pier body mold pieces and multiple left and right pier body mold pieces. Multiple crossbars and hoops are arranged in the horizontal direction on the outer surface of the pier body plastic mold combination; the crossbars are closely attached to the low reinforcing ribs on the outer surfaces of the middle pier body mold piece and the left and right pier body mold pieces. The connecting plate D on the crossbar is assembled and fixed with the high reinforcing rib in the vertical direction in contact therewith through small bolts and small nuts; the hoop is closely attached to the low reinforcing rib on the outer surface of the arc-shaped pier body mold piece, and the connecting plate A on the hoop is assembled and fixed with the high reinforcing rib in the vertical direction in contact therewith through small bolts and small nuts.
[0007] Furthermore, the pier cap plastic mold combination is formed by enclosing two middle pier cap mold pieces, four trumpet-shaped pier cap mold pieces and multiple left and right pier cap mold pieces. Multiple crossbars and hoops are arranged in the horizontal direction on the outer surface of the pier cap plastic mold combination; the crossbars are closely attached to the low reinforcing ribs on the outer surfaces of the middle pier cap mold piece and the left and right pier cap mold pieces. Multiple connecting plates D on the crossbar are assembled and fixed with the high reinforcing rib in the vertical direction in contact therewith through small bolts and small nuts; the hoop is closely attached to the low reinforcing rib on the outer surface of the trumpet-shaped pier cap mold piece, and multiple connecting plates A on the hoop are assembled and fixed with the high reinforcing rib in the vertical direction in contact therewith through small bolts and small nuts; the cross-sectional arc of the trumpet-shaped pier cap mold piece is 90 degrees.
[0008] Furthermore, the connection between the right-angle plate of the crossbar and the connection bracket of the hoop is fixed by large bolts, large nuts and washers. The crossbar, the hoop and the low reinforcing rib are in clearance fit. The connecting plate C of the crossbar and the connecting plate B of the hoop are respectively fixed with the connecting plate F of the connecting rod through medium bolts and medium nuts. The upper and lower most connecting plates E of the crossbar are respectively fixed with the upper connecting plate H on the column through medium bolts and medium nuts.
[0009] Furthermore, the height of the left and right pier body mold pieces, the middle pier body mold piece and the arc-shaped pier body mold piece is all 1.5 m. The size of the pier body plastic mold combination formed after their combination matches the size of the high-speed rail pier body. The inner surfaces of the left and right pier body mold pieces, the middle pier body mold piece and the arc-shaped pier body mold piece are smooth planes.
[0010] Furthermore, for the left and right pier cap mold pieces, the middle pier cap mold piece and the trumpet-shaped pier cap mold piece, the size of the pier cap plastic mold combination formed after their combination matches the size of the high-speed rail pier cap. Its inner surface is a smooth hyperboloid.
[0011] Furthermore, the hoop is composed of a hoop body, at least two connecting brackets, reinforcing plates, connecting plate A, and connecting plate B. Large bolt holes are provided on the connecting brackets and welded to both ends of the outer surface of the hoop body. The hoop body is formed by bending a steel plate or steel strip, and the bending radius matches the arc radius of the circular arc-shaped die plate of the pier body or the arc radius of the corresponding cross-section of the trumpet-shaped die plate of the pier cap. Reinforcing plates are welded to the outer surface of the hoop body, and the reinforcing plates are perpendicular to the outer surface of the hoop body. Multiple connecting plates B are welded to the upper surface of the reinforcing plates. Medium bolt holes are provided on the connecting plates B, and the position and size of the connecting plates B match the position and size of the connecting plate F of the corresponding connecting rod or the connecting plate G of the side connecting rod of the pier cap. Multiple connecting plates A are also welded to the outer surface of the hoop body. Small bolt holes are provided on the connecting plates A. The connecting plates A are perpendicular to the reinforcing plates, and the position of the connecting plates A matches the high reinforcing rib on the outer surface of the corresponding circular arc-shaped die plate of the pier body or the trumpet-shaped die plate of the pier cap. Furthermore, the crossbar is composed of a crossbar body, two crossbar right-angle plates, steel tie rod holes, multiple connecting plates C, multiple connecting plates D, and at least two connecting plates E. Large bolt holes are provided on the crossbar right-angle plates and welded to both ends of the outer side surface of the crossbar body, and their positions match the positions of the connecting brackets on the corresponding hoop. Multiple connecting plates C are welded to the outer side surface of the crossbar body. The connecting plates C are concave-shaped and are provided with two medium bolt holes. Multiple connecting plates D are welded to the upper surface of the crossbar body. The connecting plates D are perpendicular to the crossbar body and are provided with one small bolt hole. The position of the connecting plates D matches the high reinforcing rib on the outer surface of the corresponding middle die plate of the pier body and the left and right die plates of the pier body or the middle die plate of the pier cap and the left and right die plates of the pier cap. When the crossbar is the topmost and bottommost one in the pier plastic mold combination and the pier cap plastic mold combination, the connecting plates E are respectively fixedly connected to the connecting plates H of the column through medium bolts and medium nuts.
[0012] Furthermore, the connecting rod is composed of a connecting rod body, two connecting rod end plates, and multiple connecting plates F. The length of the connecting rod matches the height of the pier plastic mold combination or the pier cap plastic mold combination. Connecting rod end plates are welded to both ends of the connecting rod, and medium bolt holes are provided on the connecting rod end plates. The connecting plates F are concave-shaped and are provided with two medium bolt holes. The connecting plates F are snapped into the connecting rod body and welded and fixed. The position and size of the connecting plates F match the position and size of the connecting plates C on the crossbar in the pier plastic mold combination or the pier cap plastic mold combination.
[0013] Furthermore, the pier cap side connecting rod is composed of a pier cap side connecting rod body, two end face plates of the side connecting rod body, multiple diagonal braces, and connecting plates G with the same number as the diagonal braces; the length of the pier cap side connecting rod matches the combined height of the pier cap plastic mold; at both ends of the side connecting rod body, end face plates of the side connecting rod body are welded and provided with two medium bolt holes; multiple diagonal braces made of square steel pipes are welded on the upper surface of the side connecting rod body, and the length and inclination angle of the diagonal braces match the positions of the respective hoops in the combined pier cap plastic mold; a connecting plate G is welded to the end of the diagonal brace, and the connecting plate G is provided with two medium bolt holes, and the position and size of the connecting plate G match the position and size of the connecting plate B on the corresponding hoop.
[0014] Furthermore, the column is composed of a column body, two column end face plates, multiple supports, and connecting plates H with the same number as the supports; the length of the column matches the combined height of the pier body plastic mold or the pier cap plastic mold; column end face plates are welded to both ends of the column body, and two medium bolt holes are provided on the column end face plates; multiple supports made of square steel pipes perpendicular to it are welded on the upper surface of the column body, and the length and position of the supports match the position of the connecting plate E on the corresponding crossbar in the combined pier body plastic mold or the pier cap plastic mold; a connecting plate H is welded to the end of the support, and the connecting plate H is provided with two medium bolt holes, and the position and size of the connecting plate H match the position and size of the connecting plate E on the corresponding crossbar. Furthermore, the crossbar body, connecting rod body, side connecting rod body, and column body are made of square steel pipes.
[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0016] 1. Plastic mold pieces with a weight only one-fifth that of steel templates are used to replace the steel templates in the prior art. The production cost of the plastic mold pieces is lower than that of steel templates, and they are lightweight, further reducing transportation costs and facilitating transportation, directly reducing the cost of high-speed rail bridge piers in construction projects.
[0017] 2. Multiple hoop, crossbar, connecting rod, column, and pier cap side connecting rod structures are arranged in the horizontal and vertical directions of the entire high-speed rail bridge pier plastic mold, and are combined with the reinforcing ribs on the mold pieces, making the overall weight of the high-speed rail bridge pier plastic mold about 50% lighter than that of the existing steel templates while maintaining the overall structural stability and strength. It realizes that the high-speed rail bridge pier plastic mold is not only convenient for assembly in various occasions, but also its assembly process and labor intensity during assembly are superior to those of the existing steel templates, thereby improving production efficiency while reducing the labor intensity of operating workers and enhancing the production risk guarantee for operating workers.
[0018] 3. This application utilizes the characteristics of plastics itself, enabling the direct detachment from the mold after the formation of high-speed rail bridge piers without pre-spraying a release agent on the inner side of the plastic mold for high-speed rail bridge piers. This further reduces the construction cost of high-speed rail bridge piers, with the comprehensive cost reduced by more than 20%. Description of the Drawings
[0019] Figure 1 : Schematic diagram of the overall structure of a plastic mold for high-speed rail bridge piers;
[0020] Figure 2 : Top view schematic diagram of the plastic mold for high-speed rail bridge piers; Figure 3 : Schematic diagram of the combined structure of the pier body plastic mold;
[0021] Figure 4 : Schematic diagram of the combined structure of the pier cap plastic mold;
[0022] Figure 5 : Schematic diagram of the left and right mold pieces of the pier body;
[0023] Figure 6 : Figure 1 Enlarged structure schematic diagram at position I in ;
[0024] Figure 7 : Figure 2 Enlarged structure schematic diagram at position II in ;
[0025] Figure 8 : Schematic diagram of the structure of the hoop;
[0026] Figure 9 : Schematic diagram of the structure of the crossbar;
[0027] Figure 10 : Schematic diagram of the structure of the connecting rod;
[0028] Figure 11 : Schematic diagram of the structure of the pier cap side connecting rod;
[0029] Figure 12 : Schematic diagram of the structure of the column;
[0030] Reference Signs in the Drawings: Combined Pier Body Plastic Mold 1, Combined Pier Cap Plastic Mold 2, Low Reinforcing Rib 3, High Reinforcing Rib 4, Hoop 5, Crossbar 6, Connecting Rod 7, Column 8, Pier Cap Side Connecting Rod 9, Upper Flange 10, Lower Flange 11, Right Flange 12, Left Flange 13, Long Positioning Boss 14, Long Positioning Groove 15, Short Positioning Boss 16, Short Positioning Groove 17, Steel Tie Rod 18, Plastic Sleeve 19, Locking Nut 20, Large Bolt 21, Large Nut 22, Washer 23, Small Bolt Hole 24;
[0031] Intermediate Pier Body Mold Piece 101, Arc-shaped Pier Body Mold Piece 102, Left and Right Pier Body Mold Pieces 103, U-shaped Pier Body Boss 104;
[0032] The middle diaphragm 201 of the pier cap, the trumpet-shaped diaphragm 202 of the pier cap, the left and right diaphragms 203 of the pier cap, the U-shaped boss 204 of the pier cap;
[0033] The hoop body 501, the connecting bracket 502, the reinforcing plate 503, the connecting plate A 504, the connecting plate B 505;
[0034] The crossbar body 601, the crossbar right-angle plate 602, the steel tie rod hole 603, the connecting plate C 604, the connecting plate D 605, the connecting plate E 606;
[0035] The connecting rod body 701, the connecting rod end plate 702, the connecting plate F 703;
[0036] The column body 801, the column end plate 802, the support 803, the connecting plate H 804;
[0037] The side connecting rod body 901 of the pier cap, the end plate of the side connecting rod body 902, the diagonal brace 903, the connecting plate G 904. Specific embodiments
[0038] To make the objectives, 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 accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.
[0039] Please refer to Figures 1-12, in the embodiment of the present invention, first, on the ground in the factory building or at the construction site of the high-speed rail pier, the pier plastic mold combination 1 is assembled according to the following procedures. Two middle pier mold pieces 101, two arc-shaped pier mold pieces 102 and multiple left and right pier mold pieces 103 are combined into a circle. A plurality of corresponding short positioning grooves 17 and short positioning bosses 16 are provided on the fitting surfaces of the left folding edges 13 and right folding edges 12 of each mold piece, and the two are combined into a moving fit. At the same time, multiple small bolts and small nuts are used to fix and realize the connection of the left folding edge 13 and the right folding edge 12; at the same time, multiple cross bars 6 and hoop fasteners 5 are arranged in the horizontal direction on the outer surface of the pier plastic mold combination 1. The cross bars 6 are closely attached to the low reinforcing ribs 3 on the outer surfaces of the middle pier mold piece 101 and the left and right pier mold pieces 103. Through a plurality of connecting plates D provided on the cross bars 6, the connecting plate D605 is assembled and fixed with the vertical high reinforcing rib 4 by using small bolts and small nuts; the hoop fasteners 5 are closely attached to the low reinforcing ribs 3 on the outer surface of the arc-shaped pier mold piece 102. A plurality of connecting plates A504 are provided on the hoop fasteners 5, and the connecting plate A504 is assembled and fixed with the vertical high reinforcing rib 4 by using small bolts and small nuts. The connection between the cross bar right-angle plate 602 and the connection bracket 502 of the hoop fastener 5 is connected and fixed by using large bolts 21, large nuts 22 and washers 23. There is a clearance fit between the cross bars 6, the hoop fasteners 5 and the low reinforcing ribs 3. The connecting plate C604 of the cross bar 6 and the connecting plate B505 of the hoop fastener 5 are respectively connected to the connecting plate F703 of multiple vertical connecting rods 7 and fixed by using medium bolts and medium nuts. The connecting plate E606 of the uppermost and lowermost cross bars 6 is respectively connected to the connecting plate H804 on four symmetrically installed columns 8, and the two are fixed by using medium bolts and medium nuts; A plurality of steel tie rods 18 are arranged between the pier U-shaped bosses 104 of the two symmetrically installed middle pier mold pieces 101. A plastic sleeve 19 with a clearance fit is sleeved on the outer surface of the steel tie rod 18. The steel tie rod 18 extends out of the middle pier mold piece 101 and passes through the cross bar 6, and locking nuts 20 are installed at both ends. The number of assembled pier plastic mold combinations 1 is set according to the height of the high-speed rail pier in the actual project construction, ranging from several to dozens of combinations.
[0040] Then, on the ground inside the factory building or at the construction site of the high-speed rail pier, assemble the pier cap plastic mold combination 2 according to the following procedures. Assemble two middle mold pieces 201 of the pier cap, four horn-shaped mold pieces 202 of the pier cap with a 90-degree cross-sectional arc, and multiple left and right mold pieces 203 of the pier cap into a circle. The mating surfaces of the left folding edge 13 and the right folding edge 12 between the mold pieces are connected by multiple short positioning grooves 17 and short positioning bosses 16, and the two are combined into a moving fit, and at the same time, they are fixedly connected by multiple small bolts and small nuts. A plurality of cross bars 6 and hoop fasteners 5 are arranged in the horizontal direction on the outer surface of the pier cap plastic mold combination 2. The cross bar 6 is closely attached to the low reinforcing ribs 3 on the outer surfaces of the middle mold piece 101 of the pier body and the left and right mold pieces 103 of the pier body. Through multiple connecting plates D605 arranged on the cross bar 6, the connecting plate D605 is fixedly assembled with the vertically arranged high reinforcing rib 4 by using small bolts and small nuts; the hoop fastener 5 is closely attached to the low reinforcing rib 3 on the outer surface of the arc-shaped mold piece 102 of the pier body. A plurality of connecting plates A504 are arranged on the hoop fastener 5, and the connecting plate A504 is fixedly assembled with the vertically arranged high reinforcing rib 4 by using small bolts and small nuts. The cross bar right-angle plate 602 and the connecting bracket 502 of the hoop fastener 5 are connected and fixed by a large bolt 21, a large nut 22, and a washer 23. The cross bar 6, the hoop fastener 5, and the low reinforcing rib 3 are in clearance fit. The connecting plate C604 of the cross bar 6 is connected to the connecting plate F703 of multiple vertically arranged connecting rods 7, and the two are fixed by medium bolts and medium nuts. The connecting plate B505 of the hoop fastener 5 is connected to the connecting plate G904 of multiple vertically arranged side connecting rods 9 of the pier cap, and the two are fixed by medium bolts and medium nuts; the topmost one, the middle one, and the topmost one of the connecting plates E606 of the cross bar 6 are respectively connected to the connecting plates H804 of four symmetrically installed columns 8, and the two are fixed by medium bolts and medium nuts; A plurality of steel tie rods 18 are arranged between the pier cap U-shaped bosses 204 of the two symmetrically installed middle mold pieces 201 of the pier cap. A plastic sleeve 19 with a clearance fit is sleeved on the outer surface of the steel tie rod 18. The steel tie rod 18 extends out of the outer surface of the middle mold piece 201 of the pier cap and passes through the cross bar 6, and locking nuts 20 are installed at both ends.
[0041] Finally, ship the pier cap plastic mold assembly 2 and multiple pier body plastic mold assemblies 1 to the construction site of the high-speed rail pier. Use a crane to stack and fixedly connect the multiple pier body plastic mold assemblies 1 from bottom to top like building blocks according to the actual height of the high-speed rail pier, and then assemble a layer of pier cap plastic mold assembly 2 on the top. The stacking procedure is as follows: The long positioning bosses 14 on the upper folding edges 10 of the mold pieces of the lowermost pier body plastic mold assembly 1 form a loose fit with the long positioning grooves 15 on the lower folding edges 11 of the mold pieces of the upper pier body plastic mold assembly 1 stacked thereon, and are fixed with multiple small bolts and small nuts. At the same time, the column end panels 802 of the lowermost pier body plastic mold assembly 1 are fitted with the column end panels 802 of the upper pier body plastic mold assembly 1, and the two column end panels 802 are fixedly connected with two medium bolts and medium nuts. The joint surfaces of the connecting rod end panels 702 of the lowermost pier body plastic mold assembly 1 and the connecting rod end panels 702 of the upper pier body plastic mold assembly 1 are also fixedly connected with two medium bolts and medium nuts. According to the actual height of the high-speed rail pier in the same way, stack and assemble the pier body plastic mold assemblies 1 layer by layer from bottom to top; the pier cap plastic mold assembly 2 is stacked on the topmost pier body plastic mold assembly 1. The long positioning grooves 15 on the lower folding edges 11 of the mold pieces of the pier cap plastic mold assembly 2 form a loose fit with the long positioning bosses 14 on the upper folding edges 10 of the mold pieces of the topmost pier body plastic mold assembly 1, and are fixed with multiple small bolts and small nuts. The column end panels 802 of the pier cap plastic mold assembly 2 are fitted with the column end panels 802 of the topmost pier body plastic mold assembly 1, and are fixedly connected with two medium bolts and medium nuts, so that the four symmetrically installed columns 8 are in a straight line from top to bottom; the end panels of the multiple pier cap side connecting rods 9 or connecting rods 7 of the pier cap plastic mold assembly 2 are fitted with the corresponding connecting rod end panels 702 of the topmost pier body plastic mold assembly 1, and are fixedly connected with two medium bolts and medium nuts, thus installing a complete plastic mold for the high-speed rail pier.
[0042] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A plastic mold for high-speed railway piers, characterized in that: It includes a pier body formwork combination (1), a pier cap formwork combination (2), low reinforcing ribs (3), high reinforcing ribs (4), a hoop (5), a cross bar (6), a connecting rod (7), a column (8), and a pier cap side connecting rod (9); The pier body formwork combination (1) includes: a pier body middle template (101), a pier body arc-shaped template (102), pier body left and right templates (103), and a pier body U-shaped boss (104); The pier cap formwork combination (2) includes: a pier cap middle template (201), a pier cap flared template (202), pier cap left and right templates (203), and a pier cap U-shaped boss (204); The hoop (5) includes: a hoop body (501), a connecting bracket (502), a reinforcing plate (503), a connecting plate A (504), and a connecting plate B (505); The cross bar (6) includes: a cross bar body (601), a cross bar right-angle plate (602), a steel tie rod hole (603), a connecting plate C (604), a connecting plate D (605), and a connecting plate E (606); The connecting rod (7) includes: a connecting rod body (701), a connecting rod end panel (702), and a connecting plate F (703); The column (8) includes: a column body (801), a column end panel (802), a support (803), and a connecting plate H (804); The pier cap side connecting rod (9) includes: a pier cap side connecting rod body (901), a side connecting rod body end panel (902), a diagonal brace (903), and a connecting plate G (904); Upper flanges (10), lower flanges (11), right flanges (12), and left flanges (13) are provided on the pier body middle template (101), the pier body arc-shaped template (102), the pier body left and right templates (103), the pier cap middle template (201), the pier cap flared template (202), and the pier cap left and right templates (203). At the same time, a plurality of small bolt holes (24) are provided so that the templates can be fixed by small bolts and small nuts. Long positioning bosses (14) are provided on the upper flanges (10) of the templates, and long positioning grooves (15) are provided on the lower flanges (11). The two are combined into a movable fit; Short positioning bosses (16) are provided on the right flanges (12) of the templates, and short positioning grooves (17) are provided on the left flanges (13). The two are combined into a movable fit; A plurality of reinforcing ribs are provided on the outer surface of each template in the horizontal and vertical directions, forming a plurality of quadrilaterals on the outer surface of the template. Among them, the reinforcing ribs at the horizontal joint corresponding to the hoop (5) and the cross bar (6) are low reinforcing ribs (3), and the rest of the reinforcing ribs are all high reinforcing ribs (4); The upright columns (8) are at least 4 in number and are symmetrically arranged around the plastic mold of the high-speed rail pier in the vertical direction. The upright columns (8) arranged around the pier cap plastic mold combination (2) and the upright columns (8) around the pier body plastic mold combination are in a straight line from top to bottom, and are fixedly connected by two middle bolts and middle nuts on the upright column end panel (802); the connecting rod (7) is arranged along the vertical direction of the pier body plastic mold combination (1). There are multiple pier cap side connecting rods (9) and connecting rods (7) arranged in the vertical direction of the pier cap plastic mold combination (2). The connecting rods (7) around the pier body plastic mold combination (1) are correspondingly connected to the pier cap side connecting rods (9) or connecting rods (7) of the pier cap plastic mold combination (2). The connecting rod end panel (702) on the pier body plastic mold combination (1) is fixedly connected to the connecting rod end panel (702) on the pier cap plastic mold combination (2) or two middle bolts and middle nuts on the side connecting rod body end panel (902).
2. The plastic mold for high-speed railway piers according to claim 1, characterized in that: Pier body intermediate mold pieces (101) and pier cap intermediate mold pieces (201) are respectively provided with pier body U-shaped bosses (104) and pier cap U-shaped bosses (204). Steel tie rods (18) are arranged at the concave parts of the U-shaped bosses. A plastic sleeve (19) with a clearance fit with the outer surface of the steel tie rod (18) is sleeved on the outer surface of the steel tie rod (18). The steel tie rod (18) extends out of the pier body intermediate mold piece (101) and the pier cap intermediate mold piece (201), passes through the steel tie rod holes (603) on the crossbar, and is fixed at both ends by lock nuts (20).
3. A plastic mold for high-speed railway piers according to claim 1, characterized in that: The pier body plastic mold combination (1) is enclosed by two pier body intermediate mold pieces (101), two pier body arc-shaped mold pieces (102) and multiple pier body left and right mold pieces (103). Multiple crossbars (6) and hoops (5) are arranged in the horizontal direction on the outer surface of the pier body plastic mold combination (1); the crossbars (6) are closely attached to the low reinforcing ribs (3) on the outer surfaces of the pier body intermediate mold piece (101) and the pier body left and right mold pieces (103). The connecting plate D (605) on the crossbar (6) is assembled and fixed with the high reinforcing rib (4) in the vertical direction in contact therewith by small bolts and small nuts; the hoop (5) is closely attached to the low reinforcing rib (3) on the outer surface of the pier body arc-shaped mold piece (102). The connecting plate A (504) on the hoop is assembled and fixed with the high reinforcing rib (4) in the vertical direction in contact therewith by small bolts and small nuts.
4. A plastic mold for high-speed railway piers according to claim 1, characterized in that: The pier cap plastic mold combination (2) is enclosed by two pier cap intermediate mold pieces (201), four pier cap trumpet-shaped mold pieces (202) and multiple pier cap left and right mold pieces (203). Multiple crossbars (6) and hoops (5) are arranged in the horizontal direction on the outer surface of the pier cap plastic mold combination (2); the crossbars (6) are closely attached to the low reinforcing ribs (3) on the outer surfaces of the pier cap intermediate mold piece (201) and the pier cap left and right mold pieces (203). Multiple connecting plates D (605) on the crossbar are assembled and fixed with the high reinforcing rib (4) in the vertical direction in contact therewith by small bolts and small nuts; the hoop (5) is closely attached to the low reinforcing rib (3) on the outer surface of the pier cap trumpet-shaped mold piece (202). Multiple connecting plates A (504) on the hoop (5) are assembled and fixed with the high reinforcing rib (4) in the vertical direction in contact therewith by small bolts and small nuts; the cross-sectional arc of the pier cap trumpet-shaped mold piece (202) is 90 degrees.
5. A plastic mold for high-speed railway piers according to claim 1, characterized in that: The crossbar right-angle plate (602) is fixed to the connecting bracket (502) of the hoop (5) using a large bolt (21), a large nut (22), and a washer (23). The crossbar (6), the hoop (5), and the lower reinforcing rib (3) have a clearance fit. The connecting plate C (604) of the crossbar (6) and the connecting plate B (505) of the hoop (5) are respectively fixed to the connecting plate F (703) of the connecting rod (7) using medium bolts and medium nuts. The upper and lower connecting plates E (606) of the crossbar (6) are respectively fixed to the upper connecting plate H (804) of the column (8) using medium bolts and medium nuts.
6. The plastic mold for high-speed railway piers according to claim 1, wherein: The left and right pier formwork plates (103), the middle pier formwork plate (101), and the arc-shaped pier formwork plate (102) all have a height of 1.5 m. The internal dimensions of the pier formwork combination (1) formed after their combination match the external dimensions of the high-speed rail pier. The inner surfaces of the left and right pier formwork plates (103), the middle pier formwork plate (101), and the arc-shaped pier formwork plate (102) are smooth planes.
7. A plastic mold for high-speed railway piers according to claim 1, characterized in that: The left and right pier cap formwork plates (203), the middle pier cap formwork plate (201), and the trumpet-shaped pier cap formwork plate (202). The internal dimensions of the pier cap formwork combination (2) formed after their combination match the external dimensions of the high-speed rail pier cap. Its inner surface is a smooth hyperboloid.
8. A plastic mold for high-speed railway piers according to claim 1, characterized in that: The hoop consists of a hoop body (501), two connecting brackets (502), a reinforcing plate (503), a connecting plate A (504), and a connecting plate B (505). The connecting bracket (502) is provided with large bolt holes and is welded to both ends of the outer surface of the hoop body (501). The hoop body (501) is formed by bending a steel plate or steel strip, and the bending radius matches the arc radius of the arc-shaped pier formwork plate (102) or the corresponding cross-section arc radius of the trumpet-shaped pier cap formwork plate (202). A reinforcing plate (503) is welded to the outer surface of the hoop body (501), and the reinforcing plate (503) is perpendicular to the outer surface of the hoop body (501). Multiple connecting plates B (505) are welded to the upper surface of the reinforcing plate (503). The connecting plate B (505) is provided with medium bolt holes, and the position and size of the connecting plate B (505) match the position and size of the connecting plate F (703) of the corresponding connecting rod (7) or the connecting plate G (904) of the pier cap side connecting rod (9). Multiple connecting plates A (504) are also welded to the outer surface of the hoop body (501). The connecting plate A (504) is provided with small bolt holes, and the connecting plate A (504) is perpendicular to the reinforcing plate (503). The position of the connecting plate A (504) matches the high reinforcing rib (4) on the outer surface of the corresponding arc-shaped pier formwork plate (102) or trumpet-shaped pier cap formwork plate (202).
9. A plastic mold for high-speed railway piers according to claim 1, characterized in that: The cross bar (6) is composed of a cross bar body (601), two cross bar right-angle plates (602), steel tie rod holes (603), multiple connecting plates C (604), multiple connecting plates D (605), and at least two connecting plates E (606); large bolt holes are provided on the cross bar right-angle plates (602), which are welded to both ends of the outer side surface of the cross bar body (601), and their positions match the positions of the connecting brackets (502) on the corresponding hoop (5); multiple connecting plates C (604) are welded on the outer side surface of the cross bar body (601), the connecting plates C (604) are concave-shaped, and are provided with two medium bolt holes; multiple connecting plates D (605) are welded on the upper surface of the cross bar body (601), the connecting plates D (605) are perpendicular to the cross bar body (601), and are provided with a small bolt hole, and the positions of the connecting plates D (605) match the positions of the high reinforcing ribs (4) on the outer surfaces of the corresponding connecting pier body middle die piece (101) and pier body left and right die pieces (103) or pier cap middle die piece (201) and pier cap left and right die pieces (203); when the cross bar (6) is the uppermost and lowermost ones in the pier body plastic mold combination (1) and the pier cap plastic mold combination (2), its connecting plates E (606) are respectively fixedly connected to the connecting plates H (804) of the column (8) through medium bolts and medium nuts.
10. A plastic mold for high-speed railway piers according to claim 1, characterized in that: The connecting rod (7) is composed of a connecting rod body (701), two connecting rod end plates (702), and multiple connecting plates F (703); the length of the connecting rod (7) matches the height of the pier body plastic mold combination (1) or the pier cap plastic mold combination (2); connecting rod end plates (702) are respectively welded to both ends of the connecting rod (7), and medium bolt holes are provided on the connecting rod end plates (702); the connecting plates F (703) are concave-shaped and are provided with two medium bolt holes, the connecting plates F (703) are snapped into the connecting rod body (701) and welded and fixed, and the positions and sizes of the connecting plates F (703) match the positions and sizes of the connecting plates C (604) on the cross bar in the pier body plastic mold combination (1) or the pier cap plastic mold combination (2).
11. A plastic mold for high-speed railway piers according to claim 1, characterized in that: The pier cap side connecting rod (9) is composed of a pier cap side connecting rod body (901), two side connecting rod body end plates (902), multiple diagonal braces (903), and connecting plates G (904) with the same number as the diagonal braces (903); the length of the pier cap side connecting rod (9) matches the height of the pier cap plastic mold combination (2); side connecting rod body end plates (902) are respectively welded to both ends of the side connecting rod body (701), and two medium bolt holes are provided on the side connecting rod body end plates (902); multiple diagonal braces (903) made of square steel pipes are welded on the upper surface of the side connecting rod body (701), and the lengths and inclined angles of the diagonal braces (903) match the positions of the respective hoops (5) in the pier cap plastic mold combination (2); connecting plates G (904) are welded to the ends of the diagonal braces (903), two medium bolt holes are provided on the connecting plates G (904), and the positions and sizes of the connecting plates G (904) match the positions and sizes of the connecting plates B (505) on the corresponding hoop.
12. A plastic mold for high-speed rail bridge piers according to claim 1, characterized in that: The upright column is composed of an upright column body (801), two upright column end panels (802), multiple supports (803), and connecting plates H (804) with the same number as the supports (803); the length of the upright column (8) is matched with the height of the pier body formwork combination (1) or the pier cap formwork combination (2); the two ends of the upright column body (801) are respectively welded with the upright column end panels (802), and two middle bolt holes are arranged on the upright column end panels (802); multiple supports (803) made of square steel pipes are welded on the upper surface of the upright column body (801) perpendicular to it, and the length and position of the supports (803) are matched with the position of the connecting plate E (606) on the corresponding cross bar (6) in the pier body formwork combination (1) or the pier cap formwork combination (2); the end of the support (803) is welded with the connecting plate H (804), two middle bolt holes are arranged on the connecting plate H (804), and the position and size of the connecting plate H (804) are matched with the position and size of the connecting plate E (606) on the corresponding cross bar.
13. A plastic mold for high-speed railway piers according to claim 1, characterized in that: The cross bar body (601), the connecting rod body (701), the side connecting rod body (701), and the upright column body (801) are made of square steel pipes.
Citation Information
Patent Citations
High-speed rail pier plastic mold
CN211815598U