CN219902607U - Prefabricated case roof beam mandrel drawing device - Google Patents
Prefabricated case roof beam mandrel drawing device Download PDFInfo
- Publication number
- CN219902607U CN219902607U CN202320634048.2U CN202320634048U CN219902607U CN 219902607 U CN219902607 U CN 219902607U CN 202320634048 U CN202320634048 U CN 202320634048U CN 219902607 U CN219902607 U CN 219902607U
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- prefabricated
- box girder
- core
- winch
- supporting
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000009417 prefabrication Methods 0.000 abstract description 12
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Moulds, Cores, Or Mandrels (AREA)
Abstract
The utility model relates to a prefabricated box girder core mould drawing device, wherein a prefabricated box girder is supported on a prefabricated pedestal, a core mould is arranged in the prefabricated box girder in a penetrating way, and the core mould comprises a tubular template, a core shaft arranged in the template in a penetrating way and a template supporting rib for connecting the template and the core shaft together; the device comprises a winch support rack and a winch fixed on the winch support rack, wherein the height of the winch support rack is larger than that of the prefabrication pedestal and is equal to or lower than the sum of the height of the prefabrication pedestal and the wall thickness of the prefabrication box girder. The utility model aims to provide a prefabricated box girder core mould drawing device which does not need to be fixed, can effectively avoid the detachment between a prefabricated box girder and a prefabricated pedestal and saves labor in demoulding, and solves the problems that the existing winch is fixed on the ground to release a core mould, the fixed winch is required to be installed each time, the labor is wasted, and detachment and displacement between the prefabricated pedestal and the prefabricated box girder are easy to generate.
Description
Technical Field
The utility model relates to the technical field of buildings, in particular to a prefabricated box girder core mould drawing device.
Background
The prefabricated box girder is formed by taking a core mould as a core mould, taking a prefabricated pedestal as a support, pouring the core mould on the prefabricated pedestal, and taking out the core mould after pouring is completed. The existing method for taking out the core mold is to fix the winch on the ground of the area where the prefabrication pedestal is located, keep the winch on the same straight line with the prefabrication pedestal, then connect the stay rope of the winch with the core mold together, drive the winch and pull out. The water resistance of the core mold is insufficient as follows: after the name is transferred to a construction site, the foundation bolts are required to be installed on the site for fixing, and after construction is completed, the foundation bolts are disassembled to transfer the winch away, so that An Cajuan lifting procedures are more; because the winch is arranged on the ground, the included angle between the pulling direction of the pulling core die and the core die is large, so that the acting force for tearing the prefabricated box girder can be generated, the labor is wasted, and the prefabricated box girder and the core die are easily damaged; the displacement disengagement between the prefabricated box girder and the prefabricated pedestal is easy to occur.
Disclosure of Invention
The utility model aims to provide a prefabricated box girder core mould drawing device which does not need to be fixed, can effectively avoid the detachment between a prefabricated box girder and a prefabricated pedestal and saves labor in demoulding, and solves the problems that the existing winch is fixed on the ground to release a core mould, the fixed winch is required to be installed each time, the labor is wasted, and detachment and displacement between the prefabricated pedestal and the prefabricated box girder are easy to generate.
The technical problems are solved by the following technical scheme: the utility model provides a prefabricated case roof beam mandrel draw gear, prefabricated case roof beam support is on prefabricated pedestal, and the mandrel wears to establish in prefabricated case roof beam, and the mandrel that the mandrel was worn to establish in the template includes tubular template and connects together template and dabber template brace bar, its characterized in that includes hoist engine supporting rack and fixes the hoist engine on hoist engine supporting rack, the high of hoist engine supporting rack is greater than the height of prefabricated pedestal just is below the sum of the wall thickness of prefabricated case roof beam for the height of prefabricated pedestal. When the utility model is used, the utility model is abutted against the end surface of the prefabricated box Liang Xin, the guy cable of the winch is fixed on the core mould, then the winch winds the guy cable to pull out the core mould, and the utility model is transferred after the guy cable is pulled out. When the utility model is used, the core mould can be pulled directly on the ground without installing a fixing process, and the operation is convenient and time-saving; the mandrel can be propped against the prefabricated box girder when being pulled, so that the prefabricated pedestal and the prefabricated box girder cannot be separated due to pulling force when being pulled; the winch is lifted, so that the included angle between the stay rope and the core mould is small during pulling, labor is saved, the force for tearing the prefabricated box girder is reduced, and the prefabricated box girder and the core mould are not easy to damage during demoulding
Preferably, the height of the hoist support stand is equal to the sum of the height of the prefabrication stand plus half the wall thickness of the prefabrication box girder.
Preferably, the winding engine comprises a wire spool, a guy rope with one end fixed and wound on the wire spool and a winding motor for driving the wire spool to rotate; when the other end of the inhaul cable is connected with the core mould, the included angle between the part of the inhaul cable, which is positioned between the core mould and the wire spool, and the core axle is smaller than 1 degree. The parallelism between the pulling force and the core mold is good, and the pulling force is more labor-saving and the prefabricated box girder and the core mold are not easy to damage when the core mold is pulled.
Preferably, the winch support rack is provided with a inhaul cable inclination angle limiting structure, the inhaul cable inclination angle limiting structure is located between the winch and the core die, and the included angle between the part of the inhaul cable located between the core die and the inhaul cable inclination angle limiting structure and the core shaft is smaller than 1 degree. Can maintain the cable and invariable with the contained angle between the mandrel when the cable winding number of turns changes and leads to the contact point between cable and the wire reel high change.
Preferably, the inhaul cable inclination angle limiting structure comprises a supporting frame and two limiting idler wheels connected to the supporting frame, annular limiting grooves extending along the circumferential direction of the limiting idler wheels are formed in the circumferential surface of the limiting idler wheels, the two limiting idler wheels are opposite to each other along the up-down direction, inhaul cable limiting through holes are formed in the annular limiting grooves in the two limiting idler wheels in a surrounding mode, and inhaul cables penetrate through the inhaul cable limiting through holes. And the limit is reliable.
Preferably, the support frame comprises an upper section, a double-head threaded rod and a lower section, the limiting idler wheel is connected to the upper section, an upper section threaded hole is formed in the lower end face of the upper section, a lower section threaded hole is formed in the upper end face of the lower section, the lower section is connected to the winch support rack, the upper end of the double-head threaded rod is in threaded connection with the upper section threaded hole, the lower section is in threaded connection with the lower section threaded hole, the upper section is connected with a rotation stopping vertical rod, the lower section is provided with a rotation stopping sleeve, and the rotation stopping vertical rod is arranged in the rotation stopping sleeve in a penetrating mode. Can be when the size of prefabricated case roof beam core produces the change (the tie point height of cable and mandrel can change this moment), maintain the cable and the contained angle between the mandrel unchanged through going up and down spacing gyro wheel, the commonality is good.
The utility model also comprises a supporting underframe, the winch supporting bench comprises a panel and supporting legs for supporting the panel, vertical sliding holes are formed in the lower end faces of the supporting legs, a plurality of vertical sliding rods penetrating through the vertical sliding holes in a one-to-one correspondence manner are arranged on the supporting underframe, the supporting underframe and the panel are connected together through hydraulic cylinders, and the hydraulic cylinders and the hydraulic stations are connected together. Can be when prefabricating the change of bench height, make the hoist engine support step also can realize the butt on prefabricating the terminal surface of case roof beam through the high messenger of adjustment hoist engine support step, the commonality is good.
Preferably, the winch support rack is connected with a support ring, the central line of the support ring extends along the horizontal direction, and the support is also connected with one end of the winch support rack facing the core mold; when in use, the utility model is characterized in that: the winch support rack is abutted on the end face of the prefabricated box girder through the support ring, the core mold is aligned with the inner space of the support ring and staggered with the support ring, and the lower side of the support ring is abutted on the end face of the prefabricated pedestal. The stress area acting on the prefabricated box girder when the core mould is pulled is large, and the damage caused by overlarge local stress of the prefabricated box girder is avoided.
The beneficial effects of the utility model are as follows: the utility model can be directly placed on the ground to pull the core mould without installing a fixing process, and is convenient and time-saving in operation; the mandrel can be propped against the prefabricated box girder when being pulled, so that the prefabricated pedestal and the prefabricated box girder cannot be separated due to pulling force when being pulled; the hoist is lifted, so that the included angle between the inhaul cable and the core mold is small during pulling, labor is saved, the force for tearing the prefabricated box girder is reduced, and the prefabricated box girder and the core mold are not easy to damage during demolding.
Drawings
FIG. 1 is a schematic view illustrating a usage state according to a first embodiment of the present utility model;
FIG. 2 is a schematic diagram illustrating a usage status of a second embodiment of the present utility model;
FIG. 3 is an enlarged partial schematic view at A of FIG. 2;
FIG. 4 is an enlarged partial schematic view at B of FIG. 3;
fig. 5 is a right side view of the positioning roller.
In the figure: the winch support bench 1, the winch 2, the prefabricated box girder 3, the prefabricated pedestal 4, the mandrel 5, the template 6, the mandrel 7, the template support rib 8, the wire spool 9, the guy rope 10, the winding motor 11, a guy rope part 33 between the mandrel and the wire spool, the guy rope dip angle limiting structure 12, a guy rope part 13 between the mandrel and the guy rope dip angle limiting structure, the support frame 14, the limiting roller 15, the annular limiting groove 16, the guy rope limiting through hole 17, the upper section 18, the double-headed threaded rod 19, the lower section 20, the threaded hole 21 of the upper section, the threaded hole 22 of the lower section, the rotation stopping vertical rod 23, the rotation stopping sleeve 24, the supporting underframe 25, the panel 26, the supporting leg 27, the vertical sliding hole 28, the vertical sliding rod 29, the hydraulic cylinder 30, the hydraulic station 31 and the supporting ring 32.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the first embodiment, referring to fig. 1, a drawing device for a precast box girder core die comprises a hoist support frame 1 and a hoist 2 fixed on the hoist support frame. The prefabricated box girder 3 is supported on the prefabricated pedestal 4, the core mould 5 is arranged in the prefabricated box girder in a penetrating way, and the core mould comprises a tubular template 6, a core shaft 7 arranged in the template in a penetrating way and a template supporting rib 8 for connecting the template and the core shaft together. The winding engine comprises a wire spool 9, a guy rope 10 with one end fixed and wound on the wire spool, and a winding motor 11 for driving the wire spool to rotate. The height of the hoist supporting bench is larger than the height of the prefabrication pedestal and is the sum of the height of the prefabrication pedestal plus the wall thickness of the prefabrication box girder, specifically: the height of the hoist supporting bench is equal to the sum of the height of the prefabrication pedestal and half of the wall thickness of the prefabrication box girder.
When the cable is used, one end of the winch support rack is abutted against the end faces of the prefabricated box girder and the prefabricated pedestal, and when the other end of the cable is connected with the core mould, the included angle between the core mould and the core shaft and the part 33 of the cable between the core mould and the wire winding disc is smaller than 1 degree. The winding wire is abutted to drive the winding disc to rotate so as to wind the inhaul cable, and therefore the core die is pulled out.
Embodiment two differs from embodiment one in that:
referring to fig. 2 and 4, a cable inclination limit structure 12 is provided on the hoist support frame. The inhaul cable inclination angle limiting structure is positioned between the winch and the core die. The included angle between the part 13 of the inhaul cable, which is positioned between the mandrel and the inhaul cable dip angle limiting structure, and the mandrel is smaller than 1 degree. The inhaul cable inclination angle limiting structure comprises a supporting frame 14 and two limiting idler wheels 15 connected to the supporting frame, annular limiting grooves 16 extending along the circumferential direction of the limiting idler wheels are formed in the peripheral surfaces of the limiting idler wheels, the two limiting idler wheels are opposite in the vertical direction, and inhaul cable limiting through holes 17 are formed in the annular limiting grooves in the two limiting idler wheels in a surrounding mode. The inhaul cable is arranged in the inhaul cable limiting through hole in a penetrating mode. The support frame includes upper segment 18, double-end threaded rod 19 and hypomere 20, and spacing gyro wheel is connected on the upper segment, is equipped with upper segment portion screw hole 21 on the lower terminal surface of upper segment, is equipped with hypomere portion screw hole 22 on the upper end surface of hypomere, and the hypomere is connected on the hoist engine supporting rack. The upper end threaded connection of double-end threaded rod is in upper segment portion threaded hole, hypomere threaded connection is in hypomere portion threaded hole, the screw thread direction at double-end threaded rod both ends is opposite. The upper section is connected with a rotation-stopping vertical rod 23, the lower section is provided with a rotation-stopping sleeve 24, and the rotation-stopping vertical rod is arranged in the rotation-stopping sleeve in a penetrating way. When the lifting device is used, lifting of the height of the inhaul cable limiting through hole is realized by rotating the double-head threaded rod.
The winch support rack further comprises a support underframe 25, the winch support rack comprises a panel 26 and support legs 27 for supporting the panel, vertical sliding holes 28 are formed in the lower end faces of the support legs, a plurality of vertical sliding rods 29 penetrating through the vertical sliding holes in a one-to-one correspondence mode are arranged on the support underframe, the support underframe and the panel are connected together through hydraulic cylinders 30, and the hydraulic cylinders are connected together through hydraulic stations 31. The hydraulic cylinder is driven to lift through the hydraulic station, so that the lifting of the face is realized. The winch support rack is connected with a support ring 32, the central line of the support ring extends along the horizontal direction, and the support is also connected with one end of the winch support rack facing the core mold; when in use, the utility model is characterized in that: the winch support rack is abutted on the whole end face of the prefabricated box girder through the support ring, the core mold is aligned with the inner space of the support ring and staggered with the support ring, and the lower side of the support ring is abutted on the end face of the prefabricated pedestal.
Claims (8)
1. The utility model provides a prefabricated case roof beam mandrel draw gear, prefabricated case roof beam support is on prefabricated pedestal, and the mandrel wears to establish in prefabricated case roof beam, and the mandrel that the mandrel was worn to establish in the template includes tubular template and connects together template and dabber template brace bar, its characterized in that includes hoist engine supporting rack and fixes the hoist engine on hoist engine supporting rack, the high of hoist engine supporting rack is greater than the height of prefabricated pedestal just is below the sum of the wall thickness of prefabricated case roof beam for the height of prefabricated pedestal.
2. A precast box girder core drawing apparatus as claimed in claim 1, wherein the height of the hoist support stand is equal to the sum of the height of the precast pedestal plus half of the wall thickness of the precast box girder.
3. A prefabricated box girder core drawing apparatus according to claim 1 or 2, wherein the winding machine comprises a wire spool, a guy wire with one end fixed and wound on the wire spool, and a winding motor for driving the wire spool to rotate; when the other end of the inhaul cable is connected with the core mould, the included angle between the part of the inhaul cable, which is positioned between the core mould and the wire spool, and the core axle is smaller than 1 degree.
4. A precast box girder core drawing device according to claim 3, wherein a cable dip angle limiting structure is arranged on the winch support rack, the cable dip angle limiting structure is positioned between the winch and the core, and an included angle between a part of the cable positioned between the core and the cable dip angle limiting structure and the core is smaller than 1 °.
5. The drawing device for the prefabricated box girder core die according to claim 4, wherein the inhaul cable inclination angle limiting structure comprises a supporting frame and two limiting rollers connected to the supporting frame, annular limiting grooves extending along the circumferential direction of the limiting rollers are formed in the peripheral surfaces of the limiting rollers, the two limiting rollers are opposite in the vertical direction, inhaul cable limiting through holes are formed in the annular limiting grooves in the two limiting rollers in a surrounding mode, and inhaul cables are arranged in the inhaul cable limiting through holes in a penetrating mode.
6. The prefabricated box girder core drawing device according to claim 5, wherein the supporting frame comprises an upper section, a double-head threaded rod and a lower section, the limiting roller is connected to the upper section, an upper section threaded hole is formed in the lower end face of the upper section, a lower section threaded hole is formed in the upper end face of the lower section, the lower section is connected to the winch supporting frame, the upper end of the double-head threaded rod is in threaded connection with the upper section threaded hole, the lower section is in threaded connection with the lower section threaded hole, the upper section is connected with a rotation stopping vertical rod, the lower section is provided with a rotation stopping sleeve, and the rotation stopping vertical rod is arranged in the rotation stopping sleeve in a penetrating manner.
7. The drawing device for the prefabricated box girder core mould according to claim 1 or 2, further comprising a supporting underframe, wherein the winch supporting bench comprises a panel and supporting legs for supporting the panel, vertical sliding holes are formed in the lower end faces of the supporting legs, a plurality of vertical sliding rods penetrating through the vertical sliding holes in a one-to-one correspondence mode are arranged on the supporting underframe, the supporting underframe and the panel are connected together through hydraulic cylinders, and the hydraulic cylinders and the hydraulic stations are connected together.
8. A prefabricated box girder core drawing device according to claim 1 or 2, wherein the winch support rack is connected with a support ring, the center line of the support ring extends along the horizontal direction, and the support is also connected to one end of the winch support rack facing the core; when in use, the utility model is characterized in that: the winch support rack is abutted on the end face of the prefabricated box girder through the support ring, the core mold is aligned with the inner space of the support ring and staggered with the support ring, and the lower side of the support ring is abutted on the end face of the prefabricated pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320634048.2U CN219902607U (en) | 2023-03-28 | 2023-03-28 | Prefabricated case roof beam mandrel drawing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320634048.2U CN219902607U (en) | 2023-03-28 | 2023-03-28 | Prefabricated case roof beam mandrel drawing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219902607U true CN219902607U (en) | 2023-10-27 |
Family
ID=88464151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320634048.2U Active CN219902607U (en) | 2023-03-28 | 2023-03-28 | Prefabricated case roof beam mandrel drawing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219902607U (en) |
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2023
- 2023-03-28 CN CN202320634048.2U patent/CN219902607U/en active Active
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