CN108858699B - Combined prestressed concrete long sleeper combined die - Google Patents
Combined prestressed concrete long sleeper combined die Download PDFInfo
- Publication number
- CN108858699B CN108858699B CN201810485612.2A CN201810485612A CN108858699B CN 108858699 B CN108858699 B CN 108858699B CN 201810485612 A CN201810485612 A CN 201810485612A CN 108858699 B CN108858699 B CN 108858699B
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- CN
- China
- Prior art keywords
- integral frame
- tensioning
- positioning
- sliding
- groove
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- 241001669679 Eleotris Species 0.000 title claims abstract description 28
- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims description 27
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000004567 concrete Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/24—Unitary mould structures with a plurality of moulding spaces, e.g. moulds divided into multiple moulding spaces by integratable partitions, mould part structures providing a number of moulding spaces in mutual co-operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention relates to a combined prestressed concrete long sleeper combined die, wherein a shell assembly of the die is connected and then positioned in a groove of an integral frame, two ends of the integral frame are provided with movable tensioning devices, and the tensioning devices at two ends are respectively connected with two ends of the shell assembly through two end return devices; the bottom of the groove of the integral frame is provided with a sliding device, and the shell assembly is placed on the sliding device; the side part of the integral frame is provided with a sliding groove, a positioning rod is arranged in the sliding groove, the side part of the shell assembly is provided with a positioning sleeve, the setting position of the sliding groove is horizontally consistent with the position of the positioning sleeve, and the positioning rod is arranged in the positioning sleeve; the inner side wall of the integral frame is provided with a positioning small plate, and the position of the positioning small plate is consistent with the upper position of the shell assembly. By adopting the invention, shoulder-blocking type and shoulder-free long sleeper of any type can be produced on one integral frame, so that the sleeper is stressed uniformly during tension, the prestress damage is reduced, the occurrence of shoulder falling and corner breakage is avoided, the product quality is improved, and the production cost is greatly reduced.
Description
Technical Field
The invention relates to a combined prestressed concrete long sleeper combined die.
Background
At present, the prestressed concrete long sleeper used by the current national railway, subway and foreign sleeper generally has two forms: there are shoulder-blocking and shoulder-free, and shoulder-blocking and shoulder-free are divided into various types. In general, a fixed mold is used for producing prestressed concrete long sleeper molds in one model, and the production cost is high because of various models; meanwhile, the shell assembly is welded in the integral frame generally, a movable tensioning device is arranged at one end of the integral frame, the tensioning device is connected with the shell assembly, one end of the shell assembly is stressed to move towards the other end during tensioning due to the fact that tensioning is needed in the production process, the shell assembly cannot be reset in time after being stressed to cause unbalanced stress, prestress generated by each part is large, shoulder falling and corner breaking phenomena are easily generated on the sleeper, a complex embedded part positioning device is additionally needed to be additionally arranged on the shoulder blocking-free die, and production cost is correspondingly increased.
Disclosure of Invention
The invention aims at overcoming the defects, and provides the combined type prestressed concrete long sleeper combined die which can be used for producing shoulder-blocking and shoulder-free prestressed concrete long sleepers of any types, can improve the product quality of the shoulder-blocking concrete long sleeper, can simplify the positioning device of the shoulder-free concrete long sleeper die and can greatly reduce the production cost.
The technical scheme adopted by the invention is as follows: the combined prestressed concrete long sleeper combined die comprises an integral frame and one or more shell assemblies of various types, wherein the integral frame is in a groove shape, and the one or more shell assemblies are connected and then positioned in the groove of the integral frame; a sliding device is arranged at the bottom of the groove of the integral frame, and one or more shell assemblies are placed on the sliding device; the side part of the integral frame is provided with a sliding groove, a positioning rod is arranged in the sliding groove, the side part of the shell assembly is provided with a positioning sleeve, the setting position of the sliding groove is horizontally consistent with the position of the positioning sleeve, and the positioning rod is arranged in the positioning sleeve; and a positioning small plate is arranged on the inner side wall of the integral frame, and the position of the positioning small plate is consistent with the upper position of the shell assembly.
The combined prestressed concrete long sleeper combined die is characterized in that the tensioning device comprises a tensioning rod, a tensioning nut and a tensioning box, the tensioning rod is movably arranged on the integral frame through the tensioning nut, one end of the tensioning rod is connected with the tensioning box, and the tensioning box is connected with the return device.
The combined prestressed concrete long sleeper combined die is characterized in that the return device comprises a shaft sleeve, a spring, a push rod and a push plate, one end of the spring is connected with the push rod, the other end of the spring is connected with one surface of the push plate, one end of the push rod and the spring are arranged in the shaft sleeve, the other end of the push rod is connected with a tensioning box, and the other surface of the push plate is connected with the shell assembly.
The combined prestressed concrete long sleeper combined die is characterized in that the sliding device comprises a bottom plate, a sliding plate and a plurality of rolling shafts, a plurality of semicircular rolling grooves are formed in the bottom plate, the rolling shafts are placed in the rolling grooves, the diameter of each rolling shaft is larger than the radius of each rolling groove, protruding platforms are arranged at two ends of each rolling groove, the sliding plate is in a groove shape, and two ends of the sliding plate are connected with the protruding platforms and placed on the rolling shafts.
The invention can provide different shell assemblies according to the shoulder-blocking type and shoulder-free type long sleeper produced as required, and can naturally reset any end stress after being stressed by the return device and the sliding device in the process of putting the long sleeper, so that the prestress damage is reduced, the phenomena of shoulder falling and corner breakage are avoided, and therefore, the shoulder-blocking type and shoulder-free type long sleeper of any type can be produced on one integral frame, the product quality is improved, and the production cost is greatly reduced.
Drawings
Fig. 1 is a schematic top view of the present invention.
Fig. 2 is a schematic view of the invention in the A-A direction of fig. 1.
Fig. 3 is a schematic side view of the present invention.
Fig. 4 is a side view of the present invention.
Fig. 5 is a schematic view of a tensioning device of the present invention.
Fig. 6 is a schematic view of a return device of the present invention.
Fig. 7 is a schematic top view of the floor of the glide of the present invention.
Fig. 8 is a schematic view of a slip device of the present invention.
FIG. 9 is a top view of a shoulder or no shoulder housing assembly of some type in accordance with the present invention.
The numbers in the figures indicate: the tensioning device 1, the return device 2, the integral frame 3, the shell assembly 4, the sliding device 5, the positioning rod 6, the positioning small plate 7, the sliding groove 8, the push rod 9, the shaft sleeve 10, the spring 11, the push plate 12, the rolling groove 13, the convex platform 14, the groove 15, the bottom plate 16, the rolling shaft 17, the sliding plate 18, the tensioning rod 19, the tensioning nut 20, the tensioning box 21 and the positioning sleeve 22.
Detailed Description
The invention will be further illustrated with reference to specific examples.
Referring to fig. 1 to 9, the combined prestressed concrete long sleeper assembling die comprises an integral frame 3 and a plurality of shell assemblies 4 (the shell assemblies 4 can be one or more and can be of various types), the integral frame 3 is in a groove shape, and the shell assemblies 4 are positioned in grooves 15 of the integral frame 3 and placed on a sliding plate 18 after being connected in pairs; the two ends of the integral frame 3 are provided with movable tensioning devices 1, each tensioning device 1 comprises a tensioning rod 19, a tensioning nut 20 and a tensioning box 21, the tensioning rods 19 are movably arranged on the integral frame 3 through the tensioning nuts 20, one ends of the tensioning rods 19 are connected with the tensioning boxes 21, and the tensioning devices 1 at the two ends are connected with the return devices 2 at the two ends through the tensioning boxes 21; the return device 2 comprises a shaft sleeve 10, a spring 11, a push rod 9 and a push plate 12, one end of the spring 11 is connected with the push rod 9, the other end of the spring 11 is connected with one surface of the push plate 12, one end of the push rod 9 and the spring 11 are arranged in the shaft sleeve 10, the other end of the push rod 9 is connected with a tensioning box 21, and the return devices 2 at two ends are connected with the shell assembly 4 through the other surface of the push plate 12; a sliding device 5 is arranged at the bottom of a groove 15 of the integral frame 3, and the shell assembly 4 is placed on the sliding device 5; the sliding device 5 comprises a bottom plate 16, a sliding plate 18 and a plurality of rolling shafts 17, wherein the bottom plate 16 is provided with a plurality of semicircular rolling grooves 13, the rolling shafts 17 are arranged in the rolling grooves 13, the diameter of the rolling shafts 17 is larger than the radius of the rolling grooves 13, the two ends of the rolling grooves 13 are provided with convex platforms 14, the sliding plate 18 is in a groove shape, and the two ends of the sliding plate 18 are connected with the convex platforms 14 and are arranged on the rolling shafts 17 (namely, the grooves of the sliding plate 18 face the rolling shafts 17); a sliding groove 8 is arranged on the side part of the integral frame 3, a positioning rod 6 is arranged in the sliding groove 8, the positioning rod 6 can slide in the sliding groove 8, a positioning sleeve 22 is arranged on the side part of the shell assembly 4, the arrangement position of the sliding groove 8 is horizontally consistent with the position of the positioning sleeve 22 (namely, the position of the shell assembly 4 after being placed on the sliding plate 18), and the positioning rod 6 is arranged in the positioning sleeve 22; on the inner side wall of the integral frame 3, a positioning small plate 7 is provided, and the positioning small plate 7 is positioned in accordance with the upper position of the housing assembly 4 (i.e., the upper position of both ends of the housing assembly 4 after being placed on the sliding plate 18).
When in use, the integral frame 3 is firstly placed on a manufacturing platform, then the integral frame is sequentially hung into the eight groups of shell assemblies 4 (the integral frame can be in a shoulder-blocking type or a shoulder-free type, and the shoulder-blocking type or the shoulder-free type can be of any type, even the shoulder-blocking type and the shoulder-free type can be combined at the same time), the integral frame 3 is placed on the sliding plate 18 of the sliding device 5, the size is adjusted, and the eight groups of shell assemblies 3 are fixedly connected by using a connecting piece; then, positioning rods 6 are arranged in the sliding grooves 8, the upper part and the positioning sleeves 22, and a plurality of positioning small plates 7 are fixed on the inner side wall of the integral frame 3 and on the outer edge surface of the upper part of the shell assembly 3; then, the two ends of the shell assembly 3 are provided with return devices 2, the two ends of the integral frame 3 are provided with tensioning devices 1, and the connection positions of the tensioning rods 19, the tensioning boxes 21 and the return devices 2 are adjusted through tensioning nuts 20; finally, concrete is poured into the housing assembly 3, thereby producing the concrete long sleeper.
In the production process, when any one end is affected by the tension force during the tension, the shell assembly 3 can be moved left and right through the return device 2 and the sliding device 5, so that the shell assembly is naturally reset after being stressed uniformly, the prestress damage in the tension process is reduced, the phenomena of shoulder falling and corner breakage of the sleeper are avoided, and therefore, shoulder-blocking long sleeper and shoulder-free long sleeper of any type can be produced on one integral frame 3, the product quality of the sleeper can be improved, and the production cost can be greatly reduced.
Claims (2)
1. The combined prestressed concrete long sleeper combined die comprises an integral frame and one or more shell assemblies of various types, wherein the integral frame is in a groove shape, and the one or more shell assemblies are connected and then positioned in the groove of the integral frame; the tensioning device comprises a tensioning rod, a tensioning nut and a tensioning box, wherein the tensioning rod is movably arranged on the integral frame through the tensioning nut, one end of the tensioning rod is connected with the tensioning box, and the tensioning box is connected with the return device; a sliding device is arranged at the bottom of the groove of the integral frame, and one or more shell assemblies are placed on the sliding device; the return device comprises a shaft sleeve, a spring, a push rod and a push plate, wherein one end of the spring is connected with the push rod, the other end of the spring is connected with one surface of the push plate, one end of the push rod and the spring are arranged in the shaft sleeve, the other end of the push rod is connected with the tensioning box, and the other surface of the push plate is connected with the shell assembly; the side part of the integral frame is provided with a sliding groove, a positioning rod is arranged in the sliding groove, the side part of the shell assembly is provided with a positioning sleeve, the setting position of the sliding groove is horizontally consistent with the position of the positioning sleeve, and the positioning rod is arranged in the positioning sleeve; and a positioning small plate is arranged on the inner side wall of the integral frame, and the position of the positioning small plate is consistent with the upper position of the shell assembly.
2. The combined prestressed concrete long sleeper assembling die according to claim 1, wherein the sliding device comprises a bottom plate, a sliding plate and a plurality of rolling shafts, a plurality of semicircular rolling grooves are formed in the bottom plate, the rolling shafts are placed in the rolling grooves, the diameter of the rolling shafts is larger than the radius of the rolling grooves, protruding platforms are arranged at two ends of the rolling grooves, the sliding plate is in a groove shape, and two ends of the sliding plate are connected with the protruding platforms and placed on the rolling shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810485612.2A CN108858699B (en) | 2018-05-21 | 2018-05-21 | Combined prestressed concrete long sleeper combined die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810485612.2A CN108858699B (en) | 2018-05-21 | 2018-05-21 | Combined prestressed concrete long sleeper combined die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108858699A CN108858699A (en) | 2018-11-23 |
| CN108858699B true CN108858699B (en) | 2023-12-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810485612.2A Active CN108858699B (en) | 2018-05-21 | 2018-05-21 | Combined prestressed concrete long sleeper combined die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108858699B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509423B (en) * | 2019-08-21 | 2021-01-08 | 南京蹑波物联网科技有限公司 | Material distribution device for automatic sleeper system and working method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4781875A (en) * | 1985-09-24 | 1988-11-01 | Jantzen Steven L | Manufacture of pre-stressed concrete railroad ties |
| JPH01127301A (en) * | 1987-11-12 | 1989-05-19 | Daiwa Kogyo Kk | Manufacture of pc sleeper |
| CN2616352Y (en) * | 2003-05-23 | 2004-05-19 | 朱勇更 | Structure of separating stretch-draw concrete sleeper steel form |
| CN101298172A (en) * | 2008-06-05 | 2008-11-05 | 北京中铁房山桥梁有限公司 | Tensioning force-separated movable casing sleeper mould |
| CN202192669U (en) * | 2011-07-26 | 2012-04-18 | 北京东风世景模板有限公司 | Trapezoid sleeper die plate |
| CN105538484A (en) * | 2015-12-11 | 2016-05-04 | 上海建工材料工程有限公司 | U-beam mold used for preventing damage of tensioning and releasing tensile stress and U-beam manufacturing method |
| CN106476125A (en) * | 2016-12-06 | 2017-03-08 | 汝州郑铁三佳水泥制品有限公司 | A kind of method for producing at a high speed the no model of tiny fragments of stone, coal, etc. railway switch tie and its production switch tie |
| CN207290433U (en) * | 2017-09-08 | 2018-05-01 | 曲阜巨力铁路轨道工程有限公司 | A kind of railway switch tie punching block mould |
| CN207290422U (en) * | 2017-09-08 | 2018-05-01 | 曲阜巨力铁路轨道工程有限公司 | A kind of railway sleeper punching block mould |
| CN208438550U (en) * | 2018-05-21 | 2019-01-29 | 光明铁道控股有限公司 | Combined prestressed concrete long sleeper combined die |
-
2018
- 2018-05-21 CN CN201810485612.2A patent/CN108858699B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4781875A (en) * | 1985-09-24 | 1988-11-01 | Jantzen Steven L | Manufacture of pre-stressed concrete railroad ties |
| JPH01127301A (en) * | 1987-11-12 | 1989-05-19 | Daiwa Kogyo Kk | Manufacture of pc sleeper |
| CN2616352Y (en) * | 2003-05-23 | 2004-05-19 | 朱勇更 | Structure of separating stretch-draw concrete sleeper steel form |
| CN101298172A (en) * | 2008-06-05 | 2008-11-05 | 北京中铁房山桥梁有限公司 | Tensioning force-separated movable casing sleeper mould |
| CN202192669U (en) * | 2011-07-26 | 2012-04-18 | 北京东风世景模板有限公司 | Trapezoid sleeper die plate |
| CN105538484A (en) * | 2015-12-11 | 2016-05-04 | 上海建工材料工程有限公司 | U-beam mold used for preventing damage of tensioning and releasing tensile stress and U-beam manufacturing method |
| CN106476125A (en) * | 2016-12-06 | 2017-03-08 | 汝州郑铁三佳水泥制品有限公司 | A kind of method for producing at a high speed the no model of tiny fragments of stone, coal, etc. railway switch tie and its production switch tie |
| CN207290433U (en) * | 2017-09-08 | 2018-05-01 | 曲阜巨力铁路轨道工程有限公司 | A kind of railway switch tie punching block mould |
| CN207290422U (en) * | 2017-09-08 | 2018-05-01 | 曲阜巨力铁路轨道工程有限公司 | A kind of railway sleeper punching block mould |
| CN208438550U (en) * | 2018-05-21 | 2019-01-29 | 光明铁道控股有限公司 | Combined prestressed concrete long sleeper combined die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108858699A (en) | 2018-11-23 |
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