Special-shaped curved surface variable-diameter splicing template of ship lock water-saving pool bottom plate water passing hole

Abstract

The invention discloses a special-shaped curved surface variable-diameter splicing template of a ship lock water-saving pool bottom plate water passing hole. The special-shaped curved surface variable-diameter splicing template comprises an open template, a straight template, an internal corner template and an external corner template which are of a hollow frame structure, and a tensioning assembly for vertically and oppositely pulling and fixing the open template, the straight template, the internal corner template and the external corner template; horn mouths of the water passing holes are poured on the periphery of the open formwork, and the bottom of the open formwork is inserted into the straight formwork in a limited mode; a plurality of groups of horizontal limiting units are fixedly arranged on the inner walls of the straight template, the internal corner template and the external corner template in a matched manner; one end of the tensioning assembly is slidably supported on the curved surface of the inner wall of the open formwork in an abutting mode, the other end of the tensioning assembly is connected into the external corner formwork in a threaded mode, and the tensioning assembly coaxially and oppositely pulls the open formwork, the straight formwork, the internal corner formwork and the external corner formwork in the vertical direction. According to the formwork, one-time pouring forming machining of the water passing holes and the ends of the water conveying galleries is conducted in a combined splicing and opposite-pulling positioning mode, the structure is simple, and construction is easy.

Description

Technical Field

[0001] The invention relates to the technical field of ship lock construction, and in particular to a special-shaped curved surface variable-diameter assembly template for a water through hole of a bottom plate of a ship lock water-saving pool. Background Art

[0002] At present, the main body of the ship lock is mostly constructed by modular concrete pouring. The water delivery corridor, lock chamber, water hole, etc. inside the ship lock need to be isolated and finalized by template construction during the modular concrete pouring of the main body of the ship lock. However, in the construction of the canal ship lock, due to the narrow river channel and low water flow, a multi-level water-saving tank for daily water storage is set up for the ship lock during the design stage. The water-saving tank stores upstream water on a daily basis. After the downstream ship enters the ship lock, water is released through the water-saving tank to cooperate with the upstream water release to raise the water level inside the ship lock until the water level inside the ship lock is flush with the upstream water level.

[0003] However, the design problem is that there are many cavity structures inside the ship lock, especially the water-passing holes with special-shaped variable diameter structures and the ends of the water conveyance corridors connected to them, which are difficult to construct using existing formwork castings, and it is difficult to ensure the smoothness and accuracy of the inner walls of the water-passing holes and water conveyance corridors.

[0004] In summary, how to design a special-shaped curved variable-diameter assembly template for the water through hole of the bottom plate of the ship lock water-saving pool, realize the one-time casting of the water through hole and the end of the water conveyance corridor, and ensure the smoothness and accuracy of the inner wall of the casting construction on the basis of ensuring the demoulding function in the hole, and no steps will be produced, has become a technical problem that needs to be urgently solved by people in this field. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a special-shaped curved surface variable diameter assembly template for the water hole of the bottom plate of a ship lock water saving pool. The template is used for one-time casting and forming of the water hole and the end of the water conveyance gallery by combined splicing and pulling positioning, and has a simple structure and is easy to construct.

[0006] The invention discloses a special-shaped curved surface variable diameter assembly template for a water hole of a water-saving pool bottom plate of a ship lock, comprising an open template, a straight template, a inner corner template and an outer corner template of a hollow frame structure, and a tensioning component for vertically tensioning and fixing the open template, the straight template, the inner corner template and the outer corner template;

[0007] The trumpet mouth of the water hole is cast on the outer periphery of the open formwork, and the bottom limit of the open formwork is inserted in the straight formwork; a plurality of sets of horizontal limit units are fixedly provided on the inner walls of the straight formwork, the inner angle formwork and the outer angle formwork; one end of the tensioning component is slidably supported on the inner wall curved surface of the open formwork, and the other end of the tensioning component is threadedly connected to the inside of the outer angle formwork, and the tensioning component coaxially pulls the open formwork, the straight formwork, the inner angle formwork and the outer angle formwork in the vertical direction.

[0008] Preferably, the tensioning assembly includes an open positioning frame, a long screw and a threaded connecting plate, wherein the long screw is vertically penetrated into the middle cavity of the open template, the straight template, the internal angle template and the external angle template, and the outer walls at both ends of the long screw are formed with external threads in opposite directions, and a handwheel is coaxially fixed to the top of the long screw; the open positioning frame is threadedly sleeved on the external thread on the upper part of the long screw, and the open positioning frame radially slides and is supported on the inner wall curved surface of the open template; the threaded connecting plate is meshingly sleeved on the external thread on the lower part of the long screw, and the two ends of the threaded connecting plate are respectively fixed to the inner walls on both sides of the external angle template.

[0009] Preferably, the open positioning frame comprises a screw sleeve, radial struts and a rubber block, wherein a bubble level is fixedly arranged on the top of the screw sleeve, a plurality of radial struts are radially fixedly arranged on the outer periphery of the screw sleeve, and the other ends of the radial struts are compositely fixed with the rubber block.

[0010] Preferably, the radial struts are telescopic threaded sleeves, which adjust the supporting length of each radial strut according to the horizontal cross-sectional shape of the inner wall of the open template; the rubber block is a solid rubber ball, and the outer wall of the solid rubber ball is elastically supported and connected to the curved inner wall of the open template.

[0011] Preferably, multiple groups of horizontal limit units are provided, and each group of horizontal limit units includes a channel steel plug and a plurality of angle steel blocks; the angle steel blocks are welded and fixed on the inner side walls of the inner corner template and the outer corner template, and the multiple angle steel blocks of each group of horizontal limit units are butt-jointed to form an upper open right-angle structure, and the upper open right-angle structure has an inner inclined limit insertion channel steel plug; the channel steel plug is welded and fixed on the inner side walls of the right-angle template and the inner corner template.

[0012] Preferably, the side wall of the open template is made into a special-shaped curved variable diameter structure adapted to the water hole, the top opening diameter of the open template is larger than the bottom opening diameter, and the bottom periphery of the open template is provided with a socket that is inserted and positioned in the top opening of the straight template.

[0013] Preferably, the straight template is a straight cylinder with the same horizontal cross-sectional area.

[0014] Preferably, three adjacent side walls of the internal corner template are straight plates, and the fourth side wall is a concave internal corner curved panel; the top side wall of the internal corner curved panel cooperates with the bottom side wall of the straight template, and the bottom side wall of the internal corner curved panel cooperates with the top plate of the external corner template.

[0015] Preferably, an opening connected to the internal corner formwork is provided on one side of the top of the external corner formwork, a top plate connected to a transverse water supply corridor through a water hole is fixedly provided on the other side of the top of the external corner formwork, and a external corner curved surface with a curved structure is formed on the bottom surface of one end of the external corner formwork located below the internal corner formwork.

[0016] The advantages and technical effects of the present invention are:

[0017] The special-shaped curved surface variable diameter assembly template of the water hole of the bottom plate of the ship lock water saving pool of the present invention is connected by an open template, a straight template, a negative angle template and a positive angle template to jointly form the water hole of the bottom plate of the ship lock water saving pool and a combined template of the water conveyance gallery end connected to the water hole, so as to realize the one-time casting and forming of the water hole and the water conveyance gallery end, wherein:

[0018] The curved "trumpet" of the inner wall of the water hole is cast on the outer wall of the open formwork, the vertical neck hole at the bottom of the water hole is cast on the straight formwork, the inner corner formwork and the outer corner formwork are used to cast the connection bend between the end of the water conveyance corridor and the neck hole, and the inner corner formwork and the outer corner formwork with a split structure are convenient for demoulding after the later casting is completed; finally, the horizontal limit unit is used to perform horizontal limit constraints between the formworks, and then the open formwork, straight formwork, inner corner formwork and outer corner formwork are fixed vertically through the tensioning assembly to connect multiple formworks into an integrated structure, thereby improving the integrity of the formwork while ensuring the coaxial accuracy of the water hole, neck hole and inner and outer corner bends. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention (the tensioning component is not shown);

[0020] Figure 2 It is a schematic diagram of the three-dimensional disassembled structure of the present invention (the tensioning assembly and the horizontal limiting unit are not shown);

[0021] Figure 3 A cross-sectional view of the working posture of the present invention;

[0022] Figure 4 It is a schematic diagram of the demoulding direction of the present invention;

[0023] In the figure: 1-open template; 2-straight template; 3-internal angle template; 4-external angle template; 5-handwheel; 6-screw sleeve; 7-radial support rod; 8-rubber block; 9-long screw rod; 10-channel steel plug block; 11-angle steel block; 12-threaded connecting plate; 13-internal angle curved panel; 14-external angle curved surface. DETAILED DESCRIPTION

[0024] The embodiments of the invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the invention, and cannot be understood as limiting the invention.

[0025] The present invention discloses a special-shaped curved surface variable diameter assembly template for a water hole of a water-saving pool bottom plate of a ship lock, comprising an open template 1, a straight template 2, a inner corner template 3 and an outer corner template 4 of a hollow frame structure, and a tensioning component for vertically tensioning and fixing the open template, the straight template, the inner corner template and the outer corner template;

[0026] The trumpet mouth of the water hole is cast on the outer periphery of the open formwork, and the bottom limit of the open formwork is inserted in the straight formwork; a plurality of sets of horizontal limit units are fixedly provided on the inner walls of the straight formwork, the inner angle formwork and the outer angle formwork; one end of the tensioning component is slidably supported on the inner wall curved surface of the open formwork, and the other end of the tensioning component is threadedly connected to the inside of the outer angle formwork, and the tensioning component coaxially pulls the open formwork, the straight formwork, the inner angle formwork and the outer angle formwork in the vertical direction.

[0027] Preferably, the tensioning assembly includes an open positioning frame, a long screw 9 and a threaded connecting plate 12, wherein the long screw is vertically penetrated and arranged in the middle cavity of the open template, the straight template, the internal angle template and the external angle template, and the outer walls at both ends of the long screw are formed with external threads in opposite directions, and a handwheel 5 is coaxially fixed to the top of the long screw; the open positioning frame is threadedly sleeved on the external thread on the upper part of the long screw, and the open positioning frame radially slides and is supported on the inner wall curved surface of the open template; the threaded connecting plate is meshingly sleeved on the external thread on the lower part of the long screw, and the two ends of the threaded connecting plate are respectively fixed to the inner walls on both sides of the external angle template.

[0028] Preferably, the open positioning frame comprises a screw sleeve 6, radial struts 7 and a rubber block 8, wherein a bubble level is fixed on the top of the screw sleeve, a plurality of radial struts are radially fixed on the outer periphery of the screw sleeve, and the other ends of the radial struts are compositely fixed with rubber blocks.

[0029] Preferably, the radial struts are telescopic threaded sleeves, which adjust the supporting length of each radial strut according to the horizontal cross-sectional shape of the inner wall of the open template; the rubber block is a solid rubber ball, and the outer wall of the solid rubber ball is elastically supported and connected to the curved inner wall of the open template.

[0030] Preferably, multiple groups of horizontal limit units are provided, and each group of horizontal limit units includes a channel steel plug 10 and multiple angle steel blocks 11; the angle steel blocks are welded and fixed on the inner side walls of the inner corner template and the outer corner template, and the multiple angle steel blocks of each group of horizontal limit units are connected to form an upper open right-angle structure, and the upper open right-angle structure has an inclined limit plug-in channel steel plug; the channel steel plug is welded and fixed on the inner side walls of the right-angle template and the inner corner template.

[0031] Preferably, the side wall of the open template is made into a special-shaped curved variable diameter structure adapted to the water hole, the top opening diameter of the open template is larger than the bottom opening diameter, and the bottom periphery of the open template is provided with a socket that is inserted and positioned in the top opening of the straight template.

[0032] Preferably, the straight template is a straight cylinder with the same horizontal cross-sectional area.

[0033] Preferably, three adjacent side walls of the internal angle template are straight plates, and the fourth side wall is a concave internal angle curved panel 13; the top side wall of the internal angle curved panel cooperates with the bottom side wall of the straight template, and the bottom side wall of the internal angle curved panel cooperates with the top plate of the external angle template.

[0034] Preferably, an opening connected to the internal corner formwork is provided on one side of the top of the external corner formwork, a top plate connected to a transverse water supply corridor through a water hole is fixedly provided on the other side of the top of the external corner formwork, and a external corner curved surface 14 with a curved structure is formed on the bottom surface of one end of the external corner formwork located below the internal corner formwork.

[0035] In addition, the present invention preferably has the top of the open formwork and the open end of the positive angle formwork isolated and fixed from the casting area by mature means in the prior art, and can be connected to the concrete formwork cast adjacent to the lock by wooden formwork support or steel bracket welding support.

[0036] In addition, the present invention preferably adopts a mature product in the prior art for the bubble level fixed on the screw sleeve, which is used to facilitate construction personnel to observe and adjust, and ensure that the open positioning frame is supported on the curved inner wall of the open template in a horizontal posture.

[0037] The working principle of the present invention is:

[0038] The invention discloses a special-shaped curved surface variable-diameter assembly template for a water hole on the bottom plate of a ship lock water-saving pool. The external angle template, the internal angle template, the straight template and the open template are hoisted and spliced ​​from bottom to top at the construction site. During the splicing process, it is necessary to ensure that the channel steel plug block is inserted from top to bottom in an inclined posture into the upper open right-angle structure surrounded by the angle steel blocks, so as to horizontally position the straight template, the internal angle template and the external angle template. When installing the open template, the plug at the bottom of the open template needs to be inserted into the top opening of the straight template, so as to horizontally position the straight template and the open template. Finally, the installation The tensioning component is in the combined posture of a long screw and an open positioning frame before installation. Since the upper and lower ends of the long screw are formed with external threads in opposite directions, the bottom end of the long screw is lowered into the external angle template and the hand wheel is rotated to make the long screw thread connected to the threaded connecting plate. At the same time, the open positioning frame moves downward and moves relative to the threaded connecting plate until the rubber block radially arranged on the outer periphery of the open positioning frame elastically supports the inner wall of the curved surface of the open template, thereby realizing the coaxial positioning of multiple templates of the open template, straight template, internal angle template and external angle template.

[0039] When pouring is completed and demoulding is carried out, Figure 4 Proceed in the direction shown in , first pull out the outer corner formwork horizontally in a horizontal posture, and pull out the open formwork in a vertical rising posture, then remove the inner corner formwork in a vertical descending posture, and remove the straight formwork in a vertical rising posture.

[0040] Finally, all the unexplained parts of the invention adopt mature products and mature technical means in the existing technology.

[0041] In the description of this specification, reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in the embodiment or example of the invention.

[0042] Although embodiments of the invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the claims and their equivalents.

Claims

1. A special-shaped curved surface variable diameter assembly template for a water hole in a water-saving pool bottom plate of a ship lock, characterized in that: It includes an open formwork, a straight formwork, a inner corner formwork and an outer corner formwork of a hollow frame structure, and a tensioning component for vertically tensioning and fixing the open formwork, the straight formwork, the inner corner formwork and the outer corner formwork; The open formwork is cast with a trumpet-shaped water hole on its periphery, and the bottom limit of the open formwork is inserted into the straight formwork; a plurality of groups of horizontal limit units are fixedly provided on the inner walls of the straight formwork, the inner angle formwork and the outer angle formwork; one end of the tensioning component is slidably supported on the inner wall curved surface of the open formwork, and the other end of the tensioning component is threadedly connected to the inside of the outer angle formwork, and the tensioning component coaxially pulls the open formwork, the straight formwork, the inner angle formwork and the outer angle formwork in the vertical direction.

2. According to claim 1, a special-shaped curved surface variable diameter assembly template for the water hole of the bottom plate of the ship lock water saving pool is characterized by: The tensioning assembly includes an open positioning frame, a long screw and a threaded connecting plate, wherein the long screw is vertically penetrated and arranged in the middle cavity of the open template, the straight template, the internal angle template and the external angle template, and the outer walls at both ends of the long screw are formed with external threads in opposite directions, and a hand wheel is coaxially fixed to the top of the long screw; the open positioning frame is threadedly sleeved on the external thread on the upper part of the long screw, and the open positioning frame radially slides and is supported on the inner wall curved surface of the open template; the threaded connecting plate is meshingly sleeved on the external thread on the lower part of the long screw, and the two ends of the threaded connecting plate are respectively fixed to the inner walls on both sides of the external angle template.

3. The special-shaped curved surface variable diameter assembly template for the water hole of the bottom plate of the ship lock water saving pool according to claim 2 is characterized by: The open positioning frame comprises a screw sleeve, radial struts and a rubber block, wherein a bubble level is fixedly arranged on the top of the screw sleeve, a plurality of radial struts are radially fixedly arranged on the outer periphery of the screw sleeve, and the other ends of the radial struts are compositely fixed with the rubber block.

4. The special-shaped curved surface variable diameter assembly template for the water hole of the bottom plate of the lock water saving pool according to claim 3 is characterized by: The radial support rods are telescopic threaded sleeve rods, and the support length of each radial support rod is adjusted according to the horizontal cross-sectional shape of the inner wall of the open template; the rubber block is a solid rubber ball, and the outer wall of the solid rubber ball is elastically supported and connected to the curved inner wall of the open template.

5. The special-shaped curved surface variable diameter assembly template for the water hole of the bottom plate of the ship lock water saving pool according to claim 1 is characterized by: The horizontal limit units are provided in multiple groups, and each group of horizontal limit units includes a channel steel plug-in block and multiple angle steel blocks; the angle steel blocks are welded and fixed on the inner side walls of the inner corner template and the outer corner template, and the multiple angle steel blocks of each group of horizontal limit units are connected to form an upper open right-angle structure, and the upper open right-angle structure has an inclined limit plug-in channel steel plug-in block; the channel steel plug-in block is welded and fixed on the inner side walls of the right-angle template and the inner corner template.

6. The special-shaped curved surface variable diameter assembly template for the water hole of the bottom plate of the ship lock water saving pool according to claim 1 is characterized by: The side wall of the open template is made into a special-shaped curved diameter-changing structure adapted to the water hole. The top opening diameter of the open template is larger than the bottom opening diameter, and the bottom periphery of the open template is provided with a socket inserted and positioned in the top opening of the straight template.

7. The special-shaped curved surface variable diameter assembly template for the water hole of the bottom plate of the ship lock water saving pool according to claim 1 is characterized by: The straight template is a straight cylinder with the same horizontal cross-sectional area.

8. The special-shaped curved surface variable diameter assembly template for the water hole of the bottom plate of the water-saving pool of the ship lock according to claim 1 is characterized by: Three adjacent side walls of the internal angle template are straight plates, and the fourth side wall is a concave internal angle curved panel; the top side wall of the internal angle curved panel cooperates with the bottom side wall of the straight template, and the bottom side wall of the internal angle curved panel cooperates with the top plate of the external angle template.

9. The special-shaped curved surface variable diameter assembly template for the water hole of the bottom plate of the ship lock water saving pool according to claim 1 is characterized by: An opening connected to the internal corner template is provided on one side of the top of the external corner template, and a top plate connected to a transverse water delivery corridor through a water hole is fixedly provided on the other side of the top of the external corner template, and a external corner curved surface with a curved structure is formed on the bottom surface of one end of the external corner template located below the internal corner template.

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