CN104149193B - A kind of concurrent stretching and anchoring device - Google Patents
A kind of concurrent stretching and anchoring device Download PDFInfo
- Publication number
- CN104149193B CN104149193B CN201410329431.2A CN201410329431A CN104149193B CN 104149193 B CN104149193 B CN 104149193B CN 201410329431 A CN201410329431 A CN 201410329431A CN 104149193 B CN104149193 B CN 104149193B
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- China
- Prior art keywords
- stretch
- heart
- draw
- matter
- tensioning head
- Prior art date
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- 238000004873 anchoring Methods 0.000 title claims abstract description 17
- 238000004080 punching Methods 0.000 claims abstract description 23
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 239000011513 prestressed concrete Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 210000001215 vagina Anatomy 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
- 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
- B28B23/043—Wire anchoring or tensioning means for the reinforcements
-
- 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
- B28B23/06—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 for the production of elongated articles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of concurrent stretching and anchoring device, belong to power transmission technical field.The concurrent stretching and anchoring device of the present invention include the tensioning head for the reinforcing bar that is connected, for be connected with jack and draw tensioning head stretch-draw traction piece, by Screw assembly on tensioning head for block on punching block to keep the screw threads for fastening support member of tensioning state of tensioning head, described screw threads for fastening support member is anchor disc, anchor disc includes trying to get to the heart of a matter and be convexly equipped in the boss of front end of trying to get to the heart of a matter, boss has the front end face for coordinating with punching block block, described in try to get to the heart of a matter and be provided centrally with and the screwed hole of described tensioning head threaded engagement.The anchor disc that the present invention is sleeved on tensioning head by setting, can make it push up by rotation anchor disc and be pressed on punching block, can realize anchor disc and press the Quick fastening top of punching block, and anchor disc lifting surface area is big, and stretching force can be made to act on uniformly and stably on punching block.
Description
Technical field
The present invention relates to a kind of concurrent stretching and anchoring device, belong to power transmission technical field.
Background technology
Along with the fast development of China's power industry, bearing capacity and life requirement to concurrent are more and more higher, special
Being not prestressed concrete electric pole, its price is low and service life is long, and market demand amount is big.But bearing capacity is the biggest
Prestressed concrete electric pole, its stretching force born is the biggest, this just processing to prestressed concrete electric pole propose more
High requirement.In the process of manufacture of prestressed concrete electric pole, stretch-draw is critical process, and it directly influences electric pole
Product quality.
Conventional stretching and anchoring device generally comprises stretch-draw traction piece, tensioning head, fastening support etc..Patent No.
The Chinese patent of 201320142479.3 discloses a kind of stretch-draw for big moment of flexure big tip footpath prestressed reinforced concrete electric pole and fills
Put, its stretch-draw traction piece be stretch-draw pawl, tensioning head be steel plate ring, fastening support is fixed disk, also includes support.Very heavy
The pulling shaft on top is by tensioning nut and stretch-draw pawl screwed connection, and stretch-draw pawl is connected with steel plate ring, and Bar Anchorage is on steel plate ring.
Described fixed disk is sheathed on steel plate ring outer wall, and fixed disk is provided with the screw rod for withstanding punching block, and the pulling shaft of jack is through support
The through hole of frame, support withstands the flanged plate of punching block by the spike arranged on support, and its spike is dismountable movable supporting feet,
And in the spike set being arranged on support.This tensioning equipment is connected transmission stretching force by stretch-draw pawl with steel plate ring, due to stretch-draw
Pawl is connected with steel plate ring by longer hook pawl, under bigger stretching force effect, hooks pawl and is easily deformed and causes institute on steel plate ring
The stretching force being subject to is uneven, is also easy to cause stretch-draw pawl and steel plate ring deformation.This tensioning equipment is come by the screw rod on fixed disk
Withstanding punching block, the lifting surface area between screw rod and punching block is the least, screw rod due to by bigger pressure and be susceptible to deformation,
Causing steel plate ring to loosen, deformed bar stretch-draw effect dies down and even disappears, and the fastening of screw rod needs each screw rod independent
Operation, operation is loaded down with trivial details.
Summary of the invention
It is an object of the invention to provide a kind of use anchor disc as the concurrent stretching and anchoring device of fastening support,
To solve fastening support complex operation, the problem of discontinuity,.
In order to realize object above, technical scheme is as follows:
A kind of concurrent stretching and anchoring device, including the tensioning head for the reinforcing bar that is connected, for being connected with jack and leading
Draw tensioning head stretch-draw traction piece, by Screw assembly on tensioning head for block on punching block with keep tensioning head
The screw threads for fastening support member of tight state, described screw threads for fastening support member is anchor disc, and anchor disc includes trying to get to the heart of a matter and being convexly equipped in trying to get to the heart of a matter
The boss of front end, boss has the front end face for coordinating with punching block block, described in try to get to the heart of a matter and be provided centrally with and described tensioning head
The screwed hole of threaded engagement.
Described boss be fixedly connected on described in try to get to the heart of a matter on annular boss, or upper edge of trying to get to the heart of a matter described in being fixedly connected on tries to get to the heart of a matter week
To equally distributed projection.
Described stretch-draw traction piece is shaft-like tension rod, and described tensioning head is internally provided with the through hole that the head for tension rod enters,
On described through-hole wall, circumferentially uniform intervals is provided with the plural link plate extended to described through hole center, stretch-draw head
Portion's circumferentially uniform intervals is provided with the plural stretch-draw pawl for coordinating with described link plate block, described spaced
Leave between link plate and be available for the link plate gap that stretch-draw pawl passes through, leave between described spaced stretch-draw pawl and pass through for link plate
Stretch-draw pawl gap.
Described tensioning head sets described through hole cylinder and the annular being located at cylinder peripheral in including turn edge, and described annular turns edge upper edge
Being provided at circumferentially spaced the reinforced hole for connecting reinforcing bar, the afterbody of described cylinder is provided with external screw thread, tries to get to the heart of a matter with described anchor disc
The screwed hole threaded engagement at center connects.
The face that described link plate contacts with corresponding stretch-draw pawl is the inclined-plane cooperated or is perpendicular to the vertical of tension rod axial line
Face.
The anchor disc that the present invention is sleeved on tensioning head by setting, after stretching force is stable, can make by rotating anchor disc
Its top is pressed on punching block, can realize anchor disc and press the Quick fastening top of punching block, and anchor disc by Pan Bi about with
Punching block top is pressed, and uses extenal fixation mode, and lifting surface area is big, makes stretching force act on uniformly and stably on punching block.It addition, anchor
Gu dish Pan Bi defines a space, tensioning head is positioned at this interior volume, tension rod through inside tensioning head, three components from
Introversive outer socket, compact conformation, save space.
Further, the present invention uses interior stretch-draw, is respectively provided with stretch-draw pawl and link plate on tension rod and tensioning head, by rotation
The relative position turning the two realizes tension rod and the fastening of tensioning head and disengagement, it is achieved that tension rod is quick and convenient with tensioning head
Connect.It is connected with jack piston rod by arranging shaft-like tension rod, it is possible to make the stretching force of jack by tension rod
The axial stable delivery of the body of rod, on tensioning head, will not produce the deflection of stretching force, and stretch-draw pawl is the fixed lobe on tension rod,
Under the effect of bigger stretching force, tension rod and stretch-draw pawl are all not likely to produce deformation, be effectively guaranteed stretching force uniform,
Stable delivery.
Accompanying drawing explanation
Fig. 1 is the structural representation of the concurrent stretching and anchoring device embodiment of the present invention；
Fig. 2 is the sectional view of the anchor disc in Fig. 1；
Fig. 3 is the side view of the anchor disc in Fig. 1；
Fig. 4 is the side view of the tension rod in Fig. 1；
Fig. 5 is the side view of the tensioning head in Fig. 1.
Detailed description of the invention
The embodiment of the concurrent stretching and anchoring device of the present invention:
As Figure 1-5, the concurrent stretching and anchoring device of the present invention include the tensioning head 3 for the reinforcing bar that is connected, for
It is connected and draws the stretch-draw traction apparatus of tensioning head 3 with jack and by Screw assembly existing for block on tensioning head 3
To keep tensioning head 3 to be in the screw threads for fastening support member of tensioning state on punching block 7.Described screw threads for fastening support member is anchor disc
4, anchor disc 4 includes trying to get to the heart of a matter 402 and be convexly equipped in the boss 401 of front end of trying to get to the heart of a matter, and boss 401 has for joining with punching block block
The front end face closed, described in try to get to the heart of a matter and 402 be provided centrally with and the screwed hole of described tensioning head 3 threaded engagement.
In the above-described embodiments, described boss 401 is tried to get to the heart of a matter circumferential equally distributed projection for upper edge of trying to get to the heart of a matter described in being fixedly connected on.
In the above-described embodiments, described stretch-draw traction piece is shaft-like tension rod 2, and described tensioning head 3 includes that afterbody is provided with
Externally threaded cylinder 303 and the annular being located at cylinder 303 head peripheral turn edge, and described annular turns edge upper circumferentially spaced setting
Having the reinforced hole 301 for connecting reinforcing bar, deformed bar is through reinforced hole 301 and is fixed on tensioning head 3, described cylinder
Body 303 is internally provided with the through hole passed through for tension rod 2 head, and on described through-hole wall, circumferentially uniform intervals is provided with two
The individual above link plate 302 extended to described through hole center, tension rod 2 head is circumferentially evenly arranged with plural use
In the stretch-draw pawl 202 coordinated with described link plate 302 block, stretch-draw pawl 202 be along the tension rod body of rod 201 outer peripheral face uniformly between
Every the projection of distribution, leave between described spaced link plate 302 and be available for the link plate gap that stretch-draw pawl 202 passes through, described
Spaced stretch-draw pawl 202 between leave the stretch-draw pawl gap passed through for link plate 302.Tension rod 2 afterbody outer wall is arranged
There is connection screw thread and be connected with the screw thread on jack piston rod 6 by attaching nut 5.Described cylinder 303 tail
Try to get to the heart of a matter with the described anchor disc screwed hole threaded engagement at center of the external screw thread in portion is connected.
In the above-described embodiments, the face that link plate 302 contacts with stretch-draw pawl 202 is the inclined-plane cooperated.
In the above-described embodiments, being connected with jack and be provided with stretch-draw spike 1, described stretch-draw spike 1 includes a support plate 102
With the support cylinder 101 being welded to connect on a support plate, described support cylinder 101 is welded on a support plate 102 for one end
Cylinder, the other end of support cylinder 101 has can push up the planar annular vertical with support tube body axis being pressed on punching block 7,
Described support plate 102 is provided centrally with the through hole passed through for jack piston rod 6.
In the above-described embodiments, the periphery of the boss 401 of described anchor disc 4 is provided with rotating handle.
Stretch-draw spike in use, is fixed on jack and fixes on seat by above-described embodiment, by the support cylinder 101 of stretch-draw spike
Top is pressed on punching block 7, and jack piston rod 6 is propped up the through hole at support plate 102 center through stretch-draw spike and is connected with tension rod,
After deformed bar being passed reinforced hole 301 corresponding on tensioning head 3 and fixing, by tensioning head 3 by its cylinder 303 tail
External screw thread in portion be connected to anchor disc 4 try to get to the heart of a matter 402 centers screwed hole in, and rotate anchor disc 4 to suitable position.
Stretch-draw pawl 202 on tension rod 2 head is corresponding with the link plate gap in tensioning head cylinder 303, make tension rod 2 through opening
Pull head 3, then rotate tension rod 2 and make stretch-draw pawl 202 corresponding with link plate 302 position, by the connection spiral shell of tension rod 2 afterbody
Stricture of vagina is tightened with attaching nut 5 and is connected, and is connected with attaching nut 5 by jack piston rod 6.Start jack,
The deformed bar being connected on tensioning head 3 is carried out stretch-draw, when stretch-draw reaches predetermined elongation value or predetermined stretching force, stops
Stretch-draw also stablizes the pressure of jack, screws anchor disc 4 and makes anchor disc 4 block top be pressed on punching block 7, decompression, and will
Stretch-draw pawl gap on pull bar 2 rotates to corresponding with tensioning head link plate 302 position, is exited by tension rod 2 from tensioning head 3,
Complete stretch-draw operation.Now, the stretching force on deformed bar is transferred to anchor disc 4 by tensioning head 3, and by anchoring
The dish wall 401 of dish 4 uniformly transfers to punching block 7.
In other embodiments of the invention, described boss 401 is the annular boss on trying to get to the heart of a matter described in being fixedly connected on.
The most described tension rod 2 afterbody welds together with jack piston rod 6.
In other embodiments of the invention, the face that described link plate 302 contacts with corresponding stretch-draw pawl 202 is for being perpendicular to stretch-draw
The vertical of bar axial line.
In other embodiments of the invention, described stretch-draw spike 1 uses the structure identical with prior art.
Claims (5)
1. a concurrent stretching and anchoring device, including the tensioning head (3) for the reinforcing bar that is connected, for being connected and draw the stretch-draw traction piece of tensioning head with jack, by Screw assembly on tensioning head (3) for block on punching block to keep the screw threads for fastening support member of tensioning state of tensioning head (3), it is characterized in that: described screw threads for fastening support member is anchor disc (4), anchor disc (4) includes the boss (401) trying to get to the heart of a matter (402) and being convexly equipped in front end of trying to get to the heart of a matter, boss (401) has the front end face for coordinating with punching block (7) block, described try to get to the heart of a matter (402) are provided centrally with and the screwed hole of described tensioning head (3) threaded engagement；
Try to get to the heart of a matter and the boss of described anchor disc defines a space accommodating tensioning head.
Concurrent stretching and anchoring device the most according to claim 1, it is characterised in that: described boss (401) is the annular boss on trying to get to the heart of a matter described in being fixedly connected on, or tries to get to the heart of a matter circumferential equally distributed projection in upper edge of trying to get to the heart of a matter described in being fixedly connected on.
Concurrent stretching and anchoring device the most according to claim 1 and 2, it is characterized in that: described stretch-draw traction piece is shaft-like tension rod (2), described tensioning head (3) is internally provided with the through hole that the head for tension rod (2) enters, on described through-hole wall, circumferentially uniform intervals is provided with the plural link plate (302) extended to described through hole center, tension rod (2) head circumferentially uniform intervals is provided with the plural stretch-draw pawl (202) for coordinating with described link plate block, leave between described spaced link plate (302) and be available for the link plate gap that stretch-draw pawl (202) passes through, the stretch-draw pawl gap passed through for link plate (302) is left between described spaced stretch-draw pawl (202).
Concurrent stretching and anchoring device the most according to claim 3, it is characterized in that: described tensioning head (3) sets described through hole cylinder (303) and the annular being located at cylinder (303) peripheral in including turn edge, described annular turns edge the upper circumferentially spaced reinforced hole (301) being provided with for connecting reinforcing bar, the afterbody of described cylinder (303) is provided with external screw thread, and the screwed hole threaded engagement at center of trying to get to the heart of a matter with described anchor disc is connected.
Concurrent stretching and anchoring device the most according to claim 3, it is characterised in that: the face that described link plate (302) contacts with corresponding stretch-draw pawl (202) is the inclined-plane cooperated or the vertical being perpendicular to tension rod (2) axial line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410329431.2A CN104149193B (en) | 2014-07-10 | 2014-07-10 | A kind of concurrent stretching and anchoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410329431.2A CN104149193B (en) | 2014-07-10 | 2014-07-10 | A kind of concurrent stretching and anchoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104149193A CN104149193A (en) | 2014-11-19 |
| CN104149193B true CN104149193B (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410329431.2A Active CN104149193B (en) | 2014-07-10 | 2014-07-10 | A kind of concurrent stretching and anchoring device |
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| CN (1) | CN104149193B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106113251B (en) * | 2016-06-30 | 2018-10-09 | 河南鼎力杆塔股份有限公司 | A kind of jack check tooling |
| CN106182401B (en) * | 2016-07-29 | 2019-05-14 | 河南鼎力杆塔股份有限公司 | A kind of intelligent tensioning system of concurrent production |
| CN108908693B (en) * | 2018-06-29 | 2024-03-15 | 周兆弟 | Steel bar prestress tensioning machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092095A (en) * | 2009-12-15 | 2011-06-15 | 北京中铁房山桥梁有限公司 | Device and method for transversely tensioning prestress of trapezoid sleeper |
| CN202200392U (en) * | 2011-07-29 | 2012-04-25 | 广东建华管桩有限公司 | Tensioning component for tensioning main reinforcements of pre-stressed pipe piles |
| CN202764001U (en) * | 2012-08-06 | 2013-03-06 | 山东中能杆塔有限公司 | Annular concrete pole prestress inward-tension device |
| CN203957119U (en) * | 2014-07-10 | 2014-11-26 | 国家电网公司 | Concurrent stretching and anchoring device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100376818B1 (en) * | 2002-03-21 | 2003-03-20 | 함텍아시아 주식회사 | Manufacturing process and manufacturing device for electric pole |
-
2014
- 2014-07-10 CN CN201410329431.2A patent/CN104149193B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092095A (en) * | 2009-12-15 | 2011-06-15 | 北京中铁房山桥梁有限公司 | Device and method for transversely tensioning prestress of trapezoid sleeper |
| CN202200392U (en) * | 2011-07-29 | 2012-04-25 | 广东建华管桩有限公司 | Tensioning component for tensioning main reinforcements of pre-stressed pipe piles |
| CN202764001U (en) * | 2012-08-06 | 2013-03-06 | 山东中能杆塔有限公司 | Annular concrete pole prestress inward-tension device |
| CN203957119U (en) * | 2014-07-10 | 2014-11-26 | 国家电网公司 | Concurrent stretching and anchoring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104149193A (en) | 2014-11-19 |
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