CN212801253U - Small curve prestressed pipeline through hole device - Google Patents
Small curve prestressed pipeline through hole device Download PDFInfo
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- CN212801253U CN212801253U CN202021566298.XU CN202021566298U CN212801253U CN 212801253 U CN212801253 U CN 212801253U CN 202021566298 U CN202021566298 U CN 202021566298U CN 212801253 U CN212801253 U CN 212801253U
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Abstract
The utility model discloses a small curve prestressed pipeline through hole device, which comprises a hand-held water drilling motor, a water drilling head, a universal connecting rod and a traction mechanism, wherein the front end of the water drilling head is inserted in a prestressed pipeline in a matching way; the middle part of the tail end of the water drill bit is provided with a water drill joint and is in transmission connection with a motor rotating shaft of a water drill motor through a universal connecting rod; the traction mechanism comprises a support bearing, a cylindrical structure-shaped fixing block and a traction rope; this practical novel directly improves on current water rig, and the structure is unique, and convenient operation carries out the through-hole operation to prestressed pipe that can be convenient through this device for through-hole speed to can not lead to the fact destruction to the overall structure of the roof beam body, not only guarantee the quality of bridge itself, but also improved the efficiency of construction that prefabricated segmental beam wore and restraint.
Description
Technical Field
The utility model belongs to the technical field of prestressed pipe through-hole equipment, concretely relates to little curve prestressed pipe through-hole device.
Background
The segment prefabrication and assembly method is a construction method of prefabricating the beam body of the bridge in segments in a prefabrication field and then assembling the segments into a whole at a bridge position, and has the advantages of saving construction period, having little interference on site, no need of erecting a support, ensuring the quality of the beam body and the like, so the construction method is gradually and widely applied at home and abroad.
When the prefabricated section beam is constructed, the prestressed corrugated pipe needs to be embedded in the steel reinforcement framework in advance, concrete is poured on the steel reinforcement framework, and after the formwork is removed, the prestressed corrugated pipe penetrates through the prestressed pipe to perform prestressed tensioning; however, the corrugated pipe is inevitably damaged and deformed in the concrete pouring process, and concrete slurry flows into the pipeline to reduce the passage of the prestressed pipeline, so that the prestressed pore channel needs to be reamed, otherwise the penetration of prestressed tendons is influenced, the penetration is not smooth, the construction efficiency of the penetration of the precast segmental beam is reduced, the grouting quality cannot meet the design requirement, and the quality of the bridge is further influenced. The deformation and slurry leakage of the conventional small-curve prestressed duct can not be repaired according to the original spatial position, and the beam body must be chiseled, so that the large hidden quality trouble exists, and the repairing speed is slow.
SUMMERY OF THE UTILITY MODEL
The utility model provides a defect and problem to current prestressing force pipeline through-hole mode existence, the utility model provides a little curve prestressing force pipeline through-hole device directly improves on current water rig, and the structure is unique, and convenient operation carries out the through-hole operation to the prestressing force pipeline that can be convenient through this device for through-hole speed, and can not lead to the fact destruction to the overall structure of the roof beam body, not only guaranteed the quality of bridge itself, but also improved the efficiency of construction that prefabricated segment girder was worn to restraint.
The utility model provides a scheme that its technical problem adopted is: a small curve prestressed pipeline through hole device comprises a handheld water drilling motor, a water drill bit, a universal connecting rod and a traction mechanism, wherein the front end of the water drill bit is inserted in a prestressed pipeline in a matching manner; the middle part of the tail end of the water drill bit is provided with a water drill joint and is in transmission connection with a motor rotating shaft of a water drill motor through a universal connecting rod; the traction mechanism comprises a supporting bearing, a cylindrical structure-shaped fixing block and a traction rope, the supporting bearing is sleeved in the water drill bit in a matching mode, the fixing block is installed in the supporting bearing in a matching mode, one end of the traction rope is fixed together with the fixing block in a coaxial mode, and the other end of the traction rope penetrates through the water drill bit forwards and extends out of a prestressed pipeline.
The diameter size of the universal connecting rod is a, the diameter size of the water drill bit is b, and a is less than b.
The universal connecting rod comprises a plurality of groups of universal joints, the joints of two adjacent universal joints are connected together in a coaxial transmission manner, and the universal joints at the front end and the rear end of the universal connecting rod are respectively connected with the water drill joint of the water drill and the motor rotating shaft of the water drill motor in a coaxial transmission manner.
And the middle part of the front end face of the fixing block is fixedly welded with an annular fixing buckle, and one end of the traction rope is directly fixed with the annular fixing buckle together.
The traction rope guide support is installed in one end, where the traction rope is led out, of the prestressed pipeline in a matching mode, the traction rope guide support comprises an annular fixing sleeve which is embedded in the prestressed pipeline in a matching mode, a guide ring is coaxially arranged in the fixing sleeve, a plurality of fixing rods are arranged on the circumference of the outer ring surface of the guide ring at intervals, the other ends of the fixing rods are fixed with the inner ring surface of the fixing sleeve, and the traction rope penetrates through the guide ring and extends out of the prestressed pipeline.
And a balancing weight is fixed at one end of the traction rope extending out of the prestressed pipeline.
The utility model has the advantages that: the utility model provides a small curve prestressed pipe through-hole device, which is directly improved on the existing water drilling machine, has unique structure and comprises a hand-held water drilling motor, a water drilling head, a universal connecting rod and a traction mechanism, wherein the front end of the water drilling head is inserted in the prestressed pipe in a matching way; the middle part of the tail end of the water drill bit is provided with a water drill joint and is in transmission connection with a motor rotating shaft of a water drill motor through a universal connecting rod, the universal connecting rod comprises a plurality of groups of universal joints, the joints of two adjacent universal joints are in transmission connection with the same axis, and the universal joints at the front end and the rear end of the universal connecting rod are respectively in transmission connection with the water drill joint of the water drill bit and the motor rotating shaft of the water drill motor with the same axis; the traction mechanism comprises a support bearing, a cylindrical structure-shaped fixed block and a traction rope, the support bearing is sleeved in the water drill bit in a matching mode, the fixed block is installed in the support bearing in a matching mode, when the water drill motor works, the water drill bit in the prestressed pipeline can be driven to rotate through the universal connecting rod, the water drill bit can be pulled to move forwards along the inside of the prestressed pipe through the traction rope, so that the through hole operation is carried out on the inside of the whole prestressed pipe, the through hole speed is increased, the integral structure of the beam body cannot be damaged, the construction efficiency of penetrating and bundling of the prefabricated segmental beam is improved, and the quality of the beam body is guaranteed; and still be in the matching installs haulage rope guide bracket in the front end mouth of prestressing force pipeline, the haulage rope passes the guide ring and outwards extends prestressing force pipeline to be fixed with the balancing weight, because the balancing weight has certain weight, so the balancing weight can be because gravity reason automatic downwards falls when using, thereby replaces artifical pulling haulage rope, and it is more convenient to use.
The utility model provides a defect and problem to current prestressing force pipeline through-hole mode existence, the utility model provides a little curve prestressing force pipeline through-hole device directly improves on current water rig, and the structure is unique, and convenient operation carries out the through-hole operation to the prestressing force pipeline that can be convenient through this device for through-hole speed, and can not lead to the fact destruction to the overall structure of the roof beam body, not only guaranteed the quality of bridge itself, but also improved the efficiency of construction that prefabricated segment girder was worn to restraint.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the water drill bit of the present invention.
Fig. 3 is a schematic structural diagram of the traction mechanism of the present invention.
Fig. 4 is a schematic view of the structure in the direction of a-a in fig. 3.
Fig. 5 is a schematic view of the usage state of the present invention.
Fig. 6 is a schematic structural view of the traction rope guide frame of the present invention.
Fig. 7 is a schematic view of the installation position of the counterweight block of the present invention.
Reference numbers in the figures: 1 is the water and bores the motor, 2 is the water drill head, 21 is the water drill joint, 3 is universal joint pole, 31 is the universal joint, 32 is the screw cap, 41 is support bearing, 42 is the fixed block, 421 is cyclic annular fixed knot, 43 is the haulage rope, 5 is the prestressing force pipeline, 6 is the haulage rope leading truck, 61 is fixed cover, 62 is the guide ring, 63 is the dead lever, 7 is the balancing weight.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
This embodiment provides a little curve prestressing force pipeline through-hole device, as shown in fig. 1-5, including hand-held type water drill motor 1, water drill 2, universal connecting rod 3 and drive mechanism 4, the front end of water drill 2 matches and inserts and establish in prestressing force pipeline 5, water drill motor 1 is ordinary water drill motor, the tail end of water drill is equipped with water drill joint 21 to be connected through the motor shaft transmission of universal connecting rod 3 with the water drill motor, and the diameter size of universal connecting rod is less than the diameter size of water drill 2, specifically:
as shown in fig. 1 and 2, the rhinestone joint 21 is a fixing screw cap welded and fixed with the rhinestone head 2, a threaded section is arranged at the top end of a motor rotating shaft of the rhinestone motor 1, the universal connecting rod 3 comprises 4 groups of universal joints 31, the joints of two adjacent universal joints 31 are connected together in a coaxial transmission manner, and the fixing manner of the joints of the two universal joints 31 is various, for example: the joints of two adjacent universal joints 31 are fixedly connected together through bolts or directly welded and fixed together, and the middle part of the rear end surface of the joint of the universal joint at the tail end of the universal connecting rod 3 is welded and fixed with a screw cap 32 matched with the threaded section of the motor rotating shaft of the rhinestone motor 1 and is matched and installed with the motor rotating shaft of the rhinestone motor 1; the joint front end middle part welded fastening of the foremost universal joint of universal connecting rod 3 has the silk post with the water drill joint 21 looks adaptation of 2 tail ends of water drill bit, the silk post matching is installed in the water drill joint 21 of 2 tail ends of water drill bit, when using, can drive water drill bit 2 through universal connecting rod 3 when water drill motor 1 during operation and rotate, and because universal connecting rod 3 comprises a plurality of universal joint combinations, so when applying to the through-hole operation of little curve prestressing force pipeline, the universal joint group of universal connecting rod 3 can adapt to the bending of prestressing force pipeline, do not influence the water drill motor and carry rotatory rotation to the water drill bit through universal connecting rod 3, thereby be applicable to the through-hole operation of little curve prestressing force pipeline.
As shown in fig. 3, the traction mechanism includes a supporting bearing 41, a fixing block 42 having a cylindrical structure and a traction rope 43, the supporting bearing 41 is fitted to the end of the inside of the water drill, the fixing block 42 is fitted and fixed in the supporting bearing 41, one end of the traction rope 43 is fixed together with the fixing block 42 coaxially, the other end of the traction rope extends forward to the water drill 2, and the fixing manner of the traction rope 43 and the fixing block 42 is various, for example: the middle part of the front end surface of the fixing block is fixedly welded with an annular fixing buckle 421, and one end of the traction rope 43 is directly bound with the annular fixing buckle.
The device of the embodiment is applied to the through hole operation of the prestressed pipe, as shown in fig. 5, firstly, the device of the embodiment is assembled, then the pulling rope 43 is inserted into the prestressed pipe 5, the pulling rope is led out from the other end of the prestressed pipe 5, then the segment of the water drill bit is inserted into one end of the pulling rope led into the prestressed pipe 5 in a matching way, the pulling rope led out of the prestressed pipe 5 is manually pulled at the other end of the prestressed pipe 5, then the water drill motor 1 is started, the water drill bit 2 is driven to rotate by the universal connecting rod 3, when the water drill bit rotates, the water drill bit can be pulled to move forwards along the inside of the prestressed pipe by the pulling rope, so that the through hole operation is carried out on the inside of the whole prestressed pipe, and because the pulling rope 43 is coaxially fixed in the supporting bearing in the water drill bit 2 by the fixing block 42, when the water drill bit rotates, the use of the pulling rope 43 is not influenced, compared with the mode of the through hole of the existing prestressed pipeline, the device provided by the embodiment is used for carrying out through hole operation on the inside of the prestressed pipe, the speed of the through hole is increased, the overall structure of the beam body cannot be damaged, the construction efficiency of the beam penetration of the prefabricated section beam is improved, and the quality of the bridge body is guaranteed.
Example 2
As shown in fig. 6 and 7, a haulage rope guide bracket is fittingly installed in one end of the haulage rope 43 led out from the prestressed pipe 5, the haulage rope guide bracket 6 includes an annular fixing sleeve 61 fittingly embedded in the prestressed pipe 5, a guide ring 62 is coaxially installed in the fixing sleeve 61, 4 fixing rods 63 are circumferentially spaced on an outer circumferential surface of the guide ring 62, the other ends of the fixing rods 63 are welded and fixed to an inner circumferential surface of the fixing sleeve 61, when the haulage rope is passed into the prestressed pipe 5 and led out from the other end of the prestressed pipe 5, the haulage rope 43 passes through the guide ring 62 and outwardly extends out of the prestressed pipe 5, when in use, since the guide ring 62 of the haulage rope guide bracket is coaxially installed with the prestressed pipe, when the apparatus provided in this embodiment is used for through-hole operation, when the water drill bit is pulled forward along the inside of the prestressed pipe by the haulage rope, because the restriction of guide ring 62, no matter when outwards pulling the haulage rope again, the position that is located the inside haulage rope of prestressing force pipe keeps coaxial setting with the water drill head all the time to can not influence the work of water drill head, it is more convenient to use.
Example 3
As shown in fig. 7, the one end that haulage rope 43 extends prestressing force pipeline 5 is fixed with balancing weight 7, balancing weight 7 has a basis weight, when using, balancing weight 7 can fall downwards naturally because of gravity reason to replace artifical outside pulling haulage rope, it is more convenient to use, and because the restriction of guide ring 62, so when outwards pulling haulage rope through balancing weight 7, the position that is located the inside haulage rope of prestressing force pipe keeps coaxial setting with the water drill head all the time, thereby can not influence the work of water drill head.
Claims (6)
1. A small curve prestressed pipeline through hole device is characterized by comprising a handheld water drilling motor, a water drilling head, a universal connecting rod and a traction mechanism, wherein the front end of the water drilling head is inserted in a prestressed pipeline in a matching manner; the middle part of the tail end of the water drill bit is provided with a water drill joint and is in transmission connection with a motor rotating shaft of a water drill motor through a universal connecting rod; the traction mechanism comprises a supporting bearing, a cylindrical structure-shaped fixing block and a traction rope, the supporting bearing is sleeved in the water drill bit in a matching mode, the fixing block is installed in the supporting bearing in a matching mode, one end of the traction rope is fixed together with the fixing block in a coaxial mode, and the other end of the traction rope penetrates through the water drill bit forwards and extends out of a prestressed pipeline.
2. The small curve prestressed pipe throughbore apparatus of claim 1 wherein said gimbaled rod has a diameter dimension of a and said water drill bit has a diameter dimension of b, wherein a < b.
3. The small curve prestressed pipe through-hole device according to claim 2, wherein said universal connecting rod comprises a plurality of sets of universal joints, the joints of two adjacent universal joints are coaxially connected together in a transmission manner, and the universal joints at the front and rear ends of said universal connecting rod are respectively coaxially connected with the water drilling joint of the water drilling head and the motor shaft of the water drilling motor in a transmission manner.
4. The small curve prestressed pipe feed-through device as claimed in claim 1, wherein an annular fixing buckle is welded and fixed to the middle of the front end face of said fixing block, and one end of said pulling rope is directly fixed to said annular fixing buckle.
5. The small curve prestressed pipe pass-through device as claimed in claim 1, wherein said prestressed pipe has a haulage rope guide bracket installed in one end of said haulage rope, said haulage rope guide bracket includes an annular fixing sleeve fitted in said prestressed pipe, a guide ring is coaxially installed in said fixing sleeve, a plurality of fixing rods are installed around the circumference of the outer circumferential surface of said guide ring, the other ends of said fixing rods are fixed to the inner circumferential surface of said fixing sleeve, and said haulage rope passes through said guide ring and extends out of said prestressed pipe.
6. The small curve prestressed pipe throughbore apparatus of claim 5, wherein a weight is fixed to an end of said pull rope extending out of said prestressed pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021566298.XU CN212801253U (en) | 2020-07-31 | 2020-07-31 | Small curve prestressed pipeline through hole device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021566298.XU CN212801253U (en) | 2020-07-31 | 2020-07-31 | Small curve prestressed pipeline through hole device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212801253U true CN212801253U (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021566298.XU Active CN212801253U (en) | 2020-07-31 | 2020-07-31 | Small curve prestressed pipeline through hole device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212801253U (en) |
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2020
- 2020-07-31 CN CN202021566298.XU patent/CN212801253U/en active Active
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