CN103953034B - There is H type stake and the manufacture method of steel strand wires - Google Patents
There is H type stake and the manufacture method of steel strand wires Download PDFInfo
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- CN103953034B CN103953034B CN201410097721.9A CN201410097721A CN103953034B CN 103953034 B CN103953034 B CN 103953034B CN 201410097721 A CN201410097721 A CN 201410097721A CN 103953034 B CN103953034 B CN 103953034B
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Abstract
The present invention relates to a kind of H type stake with steel strand wires, including the H-shaped concrete pile body of cross section, end plate, steel reinforcement cage；Steel reinforcement cage includes steel strand wires, stirrup；It is characterized in that: at least one piece of end plate is provided with the bellmouth that several aperture from the inside to the outside expands gradually, multi-disc intermediate plate it is placed with in each bellmouth, the inner surface of each intermediate plate is provided with latch, multi-disc intermediate plate split forms the chuck component in order to clip steel strand wires, the outer peripheral face of chuck component forms the cone face matched with described bellmouth, chuck component be centrally formed interior perforation, each steel strand wires both pass through the interior perforation in corresponding chuck component and are locked by interior perforation, and the outer face of chuck component flushes or lower slightly with the outer face of described end plate；Described end plate also has multiple threaded connection hole in order to connect.It is a kind of practicable H type stake with steel strand wires.The invention still further relates to the manufacture method of a kind of aforementioned H type stake.
Description
Technical field
The invention belongs to the technical field of the pile foundation engineering of all kinds of architectural structure system, particularly relate to a kind of H type stake with steel strand wires and manufacture method.
Background technology
At present, relatively conventional concrete pre-stress stake has pile tube, square pile, H type stake etc., and various types of stake has respective feature, can select to use according to different field settings.For H type stake, including the pile body poured into a mould by deformed bar, stirrup and concrete, the cross section of pile body is constituted H-shaped by two edges of a wing and the web being connected between two edges of a wing.
Deformed bar in conventional concrete pile for prestressed pipe, square pile, h pile is rod iron, because it is prefabrication, production efficiency is high, main rigidity of soft tissues degree is of a relatively high, the advantages such as concrete strength is high, it is convenient to construct, the cycle is very fast and be that building field is a large amount of, widely used and continue up use so far, in current conventional piles foundation engineering, occupy leading position.But in production and application process, main muscle adopts the concrete-pile of rod iron to there is more problem, and as rod iron fragility is relatively big, its tensile strength is low, and (its tensile strength design load is 1000MPa, tensile strength peak is 1420MPa), it is impossible to meet current Building technology requirement；The reason that also has adopting rod iron is conveniently to carry out stretch-draw with stretch-draw mechanism, because the characteristic of rod iron, for the ease of stretching in production, the technology of rod iron heading must be adopted, hot for rod iron upsetting is gone out a mushroom head, carry out prestressed stretch-draw so that this heading and pile body end plate, stretch board being blocked, but to cause that the intensity at pier nose position is undermined material impaired due to the heading of hot this rod iron of upsetting；Simultaneously as rod iron pier nose precision is inconsistent, cannot be fully contacted with end plate during stretch-draw, cause end plate local failure；Rod iron controls not, to cause that rod iron length differs, there will be Stress non-homogeneity in stretching process due to cutting accuracy, the phenomenon even broken.Above-mentioned many disadvantages, causes that existing main muscle adopts the technical performances such as the bending resistance of concrete-pile of steel bar for prestressed concrete, shearing resistance substantially not enough.In engineer applied, due to earthquake, typhoon and other uncertain factors top, buildings pile basis can be caused to produce bigger moment of flexure and horizontal force, road and bridge or railway bridge as the dynamic load of haulage vehicle and produce bigger moment of flexure and horizontal force.Tradition h pile often cannot use because bending resistance and shear behavior are not enough, and in skyscraper, performance is especially serious.Additionally, in the engineering such as foundation pit enclosure, slope retaining, tradition h pile is because bending resistance and shear behavior deficiency cannot scale application.
Application number is that 201210339885.9 Chinese invention patent applications disclose a kind of H type support pile, the H type support pile of steel strand wires is adopted including deformed bar, the end plate of its H type supporting pile body end and steel strand wires do not have mutual stress, namely end plate is not subject to the prestressing force from steel strand wires, steel strand wires are only through the hole on end plate and house wherein, in finished product H type support pile, steel strand wires are dependent on concrete bond stress and fix, and end plate is only dependent on pile protection hoop and anchor rib fit is fixed on pile body end plate.Therefore, the prestressing force of the H type support pile end in this patent application has certain loss, and pile extension position tension, anti-bending strength have impact in many piles body pile extension situation.And how to solve end plate and steel strand wires effectively and the connection of practicality is a difficult point, prior art is also without any disclosure.
Meanwhile, as adopted the integral tension mode of existing pile tube to make H type stake, owing to H type stake profile is H type, the center of gravity of its pile body can not be exactly found, easily stuck in integral tension process end plates, therefore, existing production technology and manufacture method also have impact on the manufacture of H type stake.
Summary of the invention
The technical problem to be solved is not enough and provide a kind of H type stake with steel strand wires for above-mentioned prior art, and the technical performances such as the bending resistance of H type stake, shearing resistance, tension be greatly improved, and overcome steel strand wires in H type stake with the connection fixation problem of end plate.
This invention address that the technical scheme that above-mentioned technical problem adopts is: a kind of H type stake with steel strand wires, including the H-shaped concrete pile body of cross section, be positioned at the end plate of concrete pile body end, be positioned at the steel reinforcement cage of concrete-pile body；Steel reinforcement cage includes axial arranged steel strand wires and the stirrup being enclosed within described steel strand wires of going here and there；It is characterized in that: at least one piece of described end plate adopts clip type structure to be connected with all steel strand wires of steel reinforcement cage respective end, namely on end plate, it is provided with the bellmouth that several aperture from the inside to the outside expands gradually, bellmouth is arranged with steel strand wires one_to_one corresponding, multi-disc intermediate plate it is placed with in each bellmouth, the inner surface of each intermediate plate is provided with latch, multi-disc intermediate plate split forms the chuck component in order to clip steel strand wires, the outer peripheral face of this chuck component forms the cone face matched with described bellmouth, chuck component be centrally formed interior perforation, described each steel strand wires both pass through the interior perforation in corresponding chuck component and are locked by interior perforation, the outer face of chuck component flushes or lower slightly with the outer face of described end plate；Described end plate is subject to the retraction force of the steel strand wires that the body formed toe-out of concrete-pile draws and to the concrete pile body Shi Hanzhang after molding；Described end plate also has multiple threaded connection hole in order to connect.
Having several counterbore on above-mentioned end plate, be placed with the transition member that profile matches with counterbore in each counterbore, the front end of transition member has the ring-type shoulder block portion in the macropore portion being sunken to described counterbore, and described bellmouth is arranged in described transition member.It arranges transition member in end plate, and bellmouth is set in transition member, due to the processing of counterbore, to compare bellmouth more convenient, and in transition member process bellmouth compare on end cap process bellmouth be more easy to realization, we also can allow transition member adopt the material that properties is better than end plate to make simultaneously, makes steel strand wires more firm with being relatively fixed of end plate；Described end plate also has multiple threaded connection hole in order to connect.
The periphery of the above-mentioned chuck component being made up of multi-disc intermediate plate is provided with cannelure, is placed with the cranse in multi-disc intermediate plate hoop jail in this cannelure.Cranse can be wire loop or rubber ring, arranges the chuck component that cranse can make multi-disc intermediate plate form more firm.
Above-mentioned each chuck component is made up of three described intermediate plates.Test proves that, each chuck component is formed its indices more preferably by three intermediate plates, and steel strand wires are the most firm with the location of bellmouth.
Above-mentioned concrete pile body two ends are equipped with end plate, and two end plates all adopts clip type structure to be connected with the steel strand wires at steel reinforcement cage two ends.Can certainly be that only one piece of end plate adopts clip type structure to be connected with steel strand wires, in production, the end plate of the other end of concrete pile body can adopt alternate manner to be connected with steel strand wires, fix, adopt Extrusion anchor ground tackle as fixing in steel strand wires end, fixed by Extrusion anchor ground tackle and end plate；May be used without the steel strand wires mode from anchor, fixed by steel strand wires and anchor plate, after molding, cut off the mode of steel strand wires.
Second technical problem to be solved by this invention is to provide the manufacture method of the H type stake described in a kind of manufacture such as aforementioned claim with steel strand wires, it is characterised in that: described manufacture method comprises the steps of
(1), the customized cut-off of steel strand wires, and be arranged in shaping position；
(2), several stirrup strings are enclosed within steel strand wires, form steel reinforcement cage；
(3), by steel reinforcement cage at least the every steel strand wires of one end fix with end plate connection by being positioned at the chuck component of the bellmouth on end plate or the bellmouth that is positioned in transition member, again end plate is connected by bolt and anchor plate are fixing, anchor plate corresponding with the end plate being provided with bellmouth has and bores a hole one to one with chuck component, steel strand wires pass perforation, and the steel strand wires of the steel reinforcement cage other end are connected fixing with anchor plate；
(4), close up mould, make steel reinforcement cage be positioned at the H-shaped die cavity of mould, allow the anchor plate at two ends fit with the outer face of mould simultaneously.
(5), tension steel strand: with the every steel strand wires stretch-draw respectively of punching jack pair, be stretched to specified value and make chuck component locking steel strand wires；
(6), to delivering concrete in the die cavity of mould carrying out feeding, it is closely knit that feeding limit, limit carries out vibrations by shaking device, obtains the concrete pile body of closely knit molding；
(7), steam curing；
(8), form removal, remove the connection of anchor plate and end plate simultaneously and carry out putting and take out finished product concrete-pile；
(9), by the steel strand wires exposing outside end plate cut off and polish, making steel strand wires not expose outside the outer face of end plate.
This manufacture method is a kind of method that pratical and feasible manufacture has the H type stake of steel strand wires so that H type stake bending resistance, shearing resistance, tensile property are greatly improved, and can form good connecting in the method between each step, and manufacturing process is simple and smooth, low cost of manufacture；In stretch-draw step, its stretching process for carrying out stretch-draw respectively to every steel strand wires, compared with existing integral tension mode, solve to look for due to H type stake center of gravity and forbidden to cause in the problem that integral tension process end plates is easily stuck, and can ensure that every steel strand wires are accurately stretched to specified value.
In above-mentioned steps 3, the every steel strand wires at steel reinforcement cage two ends are fixed with end plate connection each through the chuck component of the bellmouth being positioned on end plate or the bellmouth that is positioned in transition member, and two ends anchor plate all has described perforation
Stretching mode in above-mentioned steps 5 is, end plate is connected fixing with anchor plate by connecting bolt, anchor plate and die face prop up, during stretch-draw, by the head of punching jack through the perforation on anchor plate the outer face withstanding chuck component, steel strand wires pass the head of punching jack and are connected with the traction element of punching jack, these root steel strand wires are carried out stretch-draw and are stretched to specified value by the traction element pull steel strand wires of punching jack, steel strand wires are made to deform upon, then punching jack is unloaded, steel strand wires bounce back under the effect of self-deformation retraction force, the retraction of steel strand wires drives chuck component chuck component and bellmouth to be securely fixed towards direction, the small-bore retraction of bellmouth, and make the further banding of interior perforation in chuck component stuck steel strand wires.
As improvement, also include the two armored concrete counter force walls be arrangeding in parallel, the shaping position in described step 1 is formed between this two armored concrete counter force wall, described mould is located between two armored concrete counter force walls, the upper surface of described two armored concrete counter force walls is provided with guide rail, and guide rail is provided with in order to described die perfusion concrete can along the feeding vehicle of guide rail sliding.This structure is easy to H type forming pile, armored concrete counter force wall is set and provides suitable shaping position to this manufacture method, offset the injury to mould of the partial reaction power, additionally feeding vehicle can along sliding before and after armored concrete counter force wall, it is easy to all can carry out feeding in random position, mould is arbitrarily put and can find suitable feed point to feeding vehicle, after feeding terminates simultaneously, also can remove feeding vehicle and conveniently H type stake be hung mould.
Further improve, above-mentioned anchor plate upper and lower end is respectively fixed with upper and lower crossbeam, described armored concrete counter force wall is respectively arranged at two ends with the upper and lower groove in order to upper and lower crossbeam to be led, the bottom surface of described sill is provided with roller, and the bottom surface of described shaping position is provided with the track in order to described roller to be guided.
Lower and upper cross-member and anchor plate connect into an entirety, can transverse shifting on guide rail in its lower section, thus labor operation space can be increased, move to end plate after matched moulds, end plate and anchor plate are bolted fixing, and H type stake unclamps bolt before dividing mould, and moves to opposite side, both are made to separate, it is simple to the H type stake demoulding；
Compared with prior art, it is an advantage of the current invention that: the steel strand wires that the main muscle of this H type stake all adopts performance high so that the tensile strength of main muscle is consistent, and its bending resistance, shearing resistance, tensile property are greatly improved, and pile body overall performance increases；The chuck component that steel strand wires consist of intermediate plate and end plate realize fixing, it is to avoid the prestressed loss in H type pile body end, and add the tension at pile extension position, anti-bending strength when pile extension.During stretch-draw, available punching jack withstands the outer face of chuck component, and allow steel strand wires pass interior perforation, by the traction element of punching jack, steel strand wires are carried out stretch-draw in outside, after unloading punching jack, steel strand wires loosen retraction, the retraction of steel strand wires drives chuck component chuck component and bellmouth to be securely fixed towards direction, the small-bore retraction of bellmouth, and make the further banding of interior perforation in chuck component stuck steel strand wires, its stretching process for carrying out stretch-draw respectively to every steel strand wires, compared with existing integral tension mode, solve to look for due to H type stake center of gravity and forbidden to cause in the problem that integral tension process end plates is easily stuck, guarantee that every steel strand wires are accurately stretched to specified value；It is closely knit that feeding limit, limit carries out vibrations by shaking device, obtain the concrete pile body of closely knit molding, molding unloads anchor plate after completing, steel strand wires are put and opens, last severing exposes outside the steel strand wires of end plate and polishes, the ground tackle portion of end plate is not protruded in the H type stake manufactured, it it is a kind of practicable H type stake with steel strand wires, and the connection of steel strand wires, locking mode advantages of simple in H type stake, easy to operate and cost is low so that steel strand wires apply to H type stake and are achieved and have the real value of industrial applicability；
Accompanying drawing explanation
Fig. 1 is the perspective view (bellmouth is set directly on end plate) of H type stake embodiment of the present invention；
Fig. 2 is the partial sectional view (bellmouth is set directly on end plate) of H type stake embodiment of the present invention；
Fig. 3 is the side view (bellmouth is set directly on end plate) of H type stake embodiment of the present invention；
Fig. 4 is the partial sectional view (bellmouth is arranged in transition member) of H type stake embodiment of the present invention；
Fig. 5 is the perspective view of chuck component in H type stake embodiment of the present invention；
Fig. 6 is the three-dimensional exploded view of chuck component in H type stake embodiment of the present invention；
Fig. 7 is the schematic diagram of the manufacture method manufacturing aforementioned H type stake；
Fig. 8 is the top view of the manufacture method manufacturing aforementioned H type stake；
Fig. 9 is the side view of the manufacture method manufacturing aforementioned H type stake；
Figure 10 is the structural representation (bellmouth is set directly on end plate) manufacturing the stretch-draw step in the manufacture method of aforementioned H type stake；
Figure 11 is the structural representation (bellmouth is arranged in transition member) manufacturing the stretch-draw step in the manufacture method of aforementioned H type stake.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
As shown in figs. 1 to 6, for a preferred embodiment of the present invention.
A kind of H type stake with steel strand wires, the concrete pile body 1 H-shaped including cross section and be positioned at the end plate 2 at concrete pile body 1 two ends, be positioned at the steel reinforcement cage of concrete pile body 1；Steel reinforcement cage includes axial arranged steel strand wires 3 and the stirrup 4 being enclosed within steel strand wires 3 of going here and there, and end plate 2 is also H-shaped, and end plate 2 is fixing with pile protection hoop 9 to be connected or is integrally molded so as steel drum structure, fixing connection anchor rib on pile protection hoop 9 or end plate 2,
Each end plate 2 all adopts clip type structure to be connected with all steel strand wires of steel reinforcement cage respective end, namely on end plate 2, it is provided with the bellmouth 21 that several aperture from the inside to the outside expands gradually, bellmouth 21 is arranged with steel strand wires 3 one_to_one corresponding, it is placed with multi-disc intermediate plate 5 in each bellmouth 21, the inner surface of each intermediate plate 5 is provided with latch 51, this multi-disc intermediate plate 5 split forms the chuck component 6 in order to clip steel strand wires 3, the outer peripheral face of this chuck component 6 forms the cone face 61 matched with bellmouth 21, chuck component 6 be centrally formed interior perforation 62, each steel strand wires 3 both pass through the interior perforation 62 in corresponding chuck component and are locked by interior perforation 62, the outer face of chuck component 6 flushes or lower slightly with the outer face of end plate 2；End plate 2 also has multiple threaded connection hole 22 in order to connect.Each chuck component 6 in the present embodiment is made up of three described intermediate plates 5.
As shown in Figure 4, end plate 2 has several counterbore 23, being placed with the transition member 7 that profile matches with counterbore 23 in each counterbore 23, the front end of transition member 7 has the ring-type shoulder block portion 71 in the macropore portion being sunken to counterbore 23, and aforementioned bellmouth 21 is arranged in described transition member 7.
The periphery of the chuck component 6 being made up of multi-disc intermediate plate 5 is provided with cannelure 63, is placed with the cranse 64 that multi-disc intermediate plate 5 binds round jail in this cannelure 63, and cranse 64 can be wire loop or rubber ring.
The main muscle of this H type stake all adopts the steel strand wires 3 that performance is high so that the tensile strength of main muscle is consistent, and its bending resistance, shearing resistance, tensile property are greatly improved, and the overall performance of pile body increases；The chuck component 6 that steel strand wires 3 consist of intermediate plate and end plate 2 realize fixing, it is to avoid the prestressed loss in H type pile body end, and add the tension at pile extension position, anti-bending strength when pile extension.During stretch-draw, available punching jack 12 withstands the outer face of chuck component 6, and allow steel strand wires pass interior perforation 62, by the traction element of punching jack 12, steel strand wires 3 are carried out stretch-draw in outside, after unloading punching jack 12, steel strand wires loosen retraction, the retraction of steel strand wires 3 drives chuck component 6 chuck component 6 and bellmouth 21 to be securely fixed towards direction, the small-bore retraction of bellmouth 21, and make the further banding of interior perforation 62 in chuck component stuck steel strand wires 3, its stretching process for carrying out stretch-draw respectively to every steel strand wires 3, compared with existing integral tension mode, solve to look for due to H type stake center of gravity and forbidden to cause problem easily stuck in integral tension process, guarantee that every steel strand wires are accurately stretched to specified value；It is closely knit that feeding limit, limit carries out vibrations by shaking device, obtain the concrete pile body 1 of closely knit molding, anchor plate 8 is unloaded in molding after completing, steel strand wires 3 are put and opens, last severing exposes outside the steel strand wires of end plate and polishes, the ground tackle portion of end plate is not protruded in the H type stake manufactured, it it is a kind of practicable H type stake with steel strand wires, and the connection of steel strand wires, locking mode advantages of simple in H type stake, easy to operate and cost is low so that steel strand wires apply to H type stake and are achieved and have the real value of industrial applicability.
As shown in Fig. 7～11, a kind of manufacture method manufacturing the H type stake as described in aforementioned claim with steel strand wires, it is characterised in that: described manufacture method comprises the steps of
(1), the customized cut-off of steel strand wires 3, and be arranged in shaping position.
(2), several stirrups 4 string is enclosed within steel strand wires 3, forms steel reinforcement cage.
(3), the every steel strand wires 3 of steel reinforcement cage one end are connected fixing by being positioned at the chuck component 6 of the bellmouth 21 on end plate or the bellmouth 21 that is positioned in transition member 7 with end plate 2, the every steel strand wires 3 of the steel reinforcement cage other end are connected fixing also by the chuck component 6 of the bellmouth 21 being positioned on end plate or the bellmouth 21 that is positioned in transition member 7 with end plate 2, again the end plate 2 at steel reinforcement cage two ends is connected each through bolt 10 is fixing with anchor plate 8, bolt 10 is threadeded with the threaded connection hole 22 on end plate after anchor plate 8, two ends anchor plate 8 has and bores a hole 81 one to one with chuck component 6, steel strand wires 3 pass perforation 81.
(4), close up mould 11, make steel reinforcement cage be positioned at the H-shaped die cavity of mould, allow the anchor plate 8 at two ends fit with the outer face of mould 11 simultaneously.
(5), tension steel strand 3: with punching jack 12 to every steel strand wires 3 stretch-draw respectively, be stretched to specified value and make chuck component 6 lock steel strand wires 3.
Stretching mode is, by the head of punching jack 12 through the perforation on anchor plate the outer face withstanding chuck component 6, steel strand wires 3 pass the head of punching jack 12 and are connected with the traction element of punching jack 12, these root steel strand wires 3 are carried out stretch-draw and are stretched to specified value by the traction element pull steel strand wires 3 of punching jack 12, steel strand wires 3 are made to deform upon, then punching jack 12 is unloaded, steel strand wires 3 bounce back under the effect of self-deformation retraction force, the retraction of steel strand wires 3 drives chuck component 6 chuck component 6 and bellmouth 21 to be securely fixed towards direction, the small-bore retraction of bellmouth 21, and make the further banding of interior perforation 62 in chuck component stuck steel strand wires 3.
(6), to delivering concrete in the die cavity of mould 11 carrying out feeding, it is closely knit that feeding limit, limit carries out vibrations by shaking device, obtains the concrete pile body 1 of closely knit molding.
(7), steam curing.
(8), form removal, remove the connection of anchor plate 8 and end plate 2 simultaneously and carry out putting and take out finished product concrete-pile.
(9), the steel strand wires 3 exposing outside end plate 2 cut off and polish, making steel strand wires 3 not expose outside the outer face of end plate 2.
This method also includes, the armored concrete counter force wall 13 that two be arranged in parallel, the shaping position in described step 1 is formed between this two armored concrete counter force wall 13, described mould 11 is located between two armored concrete counter force walls 13, the upper surface of described two armored concrete counter force walls 13 is provided with guide rail 14, and guide rail 14 is provided with in order to described mould 11 concrete perfusion can along the feeding vehicle 15 of guide rail 14 sliding.
Anchor plate 8 upper and lower end is respectively fixed with upper and lower crossbeam 161,162, described armored concrete counter force wall 13 is respectively arranged at two ends with the upper and lower groove 171,172 in order to upper and lower crossbeam 161,162 to be led, the bottom surface of sill 162 is provided with roller 18, and the bottom surface of shaping position is provided with the track 19 in order to described roller 18 to be guided.
Claims (15)
1. there is a H type stake for steel strand wires, including the H-shaped concrete pile body (1) of cross section, be positioned at the end plate (2) of concrete pile body (1) end, be positioned at the steel reinforcement cage of concrete pile body (1)；Steel reinforcement cage includes axial arranged steel strand wires (3) and the stirrup (4) being enclosed within described steel strand wires (3) of going here and there；It is characterized in that: at least one piece of described end plate (2) adopts clip type structure to be connected with all steel strand wires of steel reinforcement cage respective end, namely on end plate (2), it is provided with the bellmouth (21) that several aperture from the inside to the outside expands gradually, bellmouth (21) is arranged with steel strand wires (3) one_to_one corresponding, multi-disc intermediate plate (5) it is placed with in each bellmouth (21), the inner surface of each described intermediate plate (5) is provided with latch (51), intermediate plate described in multi-disc (5) split forms the chuck component (6) in order to clip steel strand wires (3), the outer peripheral face of this chuck component (6) forms the cone face (61) matched with described bellmouth (21), chuck component (6) be centrally formed interior perforation (62), each described steel strand wires (3) both pass through the interior perforation (62) in corresponding chuck component and are locked by interior perforation (62), the outer face of chuck component (6) is flush to or lower than the outer face with described end plate (2)；Described end plate (2) is subject to the retraction force of the steel strand wires (3) of stretch-draw before concrete pile body (1) molding and to concrete pile body (1) Shi Hanzhang after molding；Described end plate (2) also has multiple threaded connection hole (22) in order to connect.
2. the H type stake with steel strand wires according to claim 1, it is characterized in that: described end plate (2) has several counterbore (23), the transition member (7) that profile matches it is placed with counterbore (23) in each counterbore (23), the front end of transition member (7) has the ring-type shoulder block portion (71) in the macropore portion being sunken to described counterbore (23), and described bellmouth (21) is arranged in described transition member (7).
3. the H type stake with steel strand wires according to claim 1, it is characterized in that: the periphery of the chuck component (6) that intermediate plate (5) described in multi-disc forms is provided with cannelure (63), be placed with the cranse (64) in multi-disc intermediate plate (5) hoop jail in this cannelure (63).
4. the H type stake with steel strand wires according to claim 1, it is characterised in that: each described chuck component (6) is made up of three described intermediate plates (5).
5. the H type stake with steel strand wires according to claim 1, it is characterized in that: described concrete pile body (1) two ends are equipped with end plate (2), and two end plates (2) all adopts clip type structure to be connected with the steel strand wires (3) at steel reinforcement cage two ends.
6. the manufacture method manufacturing the H type stake as claimed in claim 1 with steel strand wires, it is characterised in that: described manufacture method comprises the steps of
(1), the customized cut-off of steel strand wires (3), and be arranged in shaping position；
(2), several stirrups (4) string is enclosed within steel strand wires (3), forms steel reinforcement cage；
(3), by steel reinforcement cage at least the every steel strand wires (3) of one end be connected with end plate (2) by the chuck component (6) of the bellmouth (21) that is positioned on end plate and to fix, again end plate (2) is connected by bolt (10) and anchor plate (8) are fixing, anchor plate (8) corresponding with the end plate (2) being provided with bellmouth (21) has and bores a hole (81) one to one with chuck component (6), steel strand wires (3) pass perforation (81), and the steel strand wires of the steel reinforcement cage other end are connected fixing with anchor plate (8)；
(4), close up mould (11), make steel reinforcement cage be positioned at the H-shaped die cavity of mould, allow the anchor plate (8) at two ends fit with the outer face of mould (11) simultaneously；
(5), tension steel strand (3): with punching jack (12) to every steel strand wires (3) stretch-draw respectively, be stretched to specified value and make chuck component (6) locking steel strand wires (3)；
(6), to delivering concrete in the die cavity of mould (11) carrying out feeding, it is closely knit that feeding limit, limit carries out vibrations by shaking device, obtains the concrete pile body (1) of closely knit molding；
(7), steam curing；
(8), form removal, remove the connection of anchor plate (8) and end plate (2) simultaneously and carry out putting and take out finished product concrete-pile；
(9), the steel strand wires (3) exposing outside end plate (2) cut off and polish, making steel strand wires (3) not expose outside the outer face of end plate (2).
7. manufacture method according to claim 6, it is characterized in that: in described step 3, the every steel strand wires (3) at steel reinforcement cage two ends are connected fixing each through the chuck component (6) of the bellmouth (21) being positioned on end plate with end plate (2), and two ends anchor plate all has described perforation (81).
8. manufacture method according to claim 6, it is characterized in that: the stretching mode in described step 5 is, by the head of punching jack (12) through the perforation on anchor plate the outer face withstanding chuck component (6), steel strand wires (3) pass the head of punching jack (12) and are connected with the traction element of punching jack (12), these root steel strand wires (3) are carried out stretch-draw and are stretched to specified value by traction element pull steel strand wires (3) of punching jack (12), steel strand wires (3) are made to deform upon, then punching jack (12) is unloaded, steel strand wires (3) bounce back under the effect of self-deformation retraction force, the retraction of steel strand wires (3) drives chuck component (6) chuck component (6) and bellmouth (21) to be securely fixed towards direction, the small-bore retraction of bellmouth (21), and make the interior perforation (62) in chuck component banding stuck steel strand wires (3) further.
9. manufacture method according to claim 6, it is characterized in that: also include the two armored concrete counter force walls (13) be arrangeding in parallel, the shaping position in described step 1 is formed between this two armored concrete counter force wall (13), described mould (11) is located between two armored concrete counter force walls (13), the upper surface of described two armored concrete counter force walls (13) is provided with guide rail (14), and guide rail (14) is provided with in order to described mould (11) concrete perfusion can along the feeding vehicle (15) of guide rail (14) sliding.
10. manufacture method according to claim 9, it is characterized in that: described anchor plate (8) upper and lower end is respectively fixed with upper and lower crossbeam (161,162), described armored concrete counter force wall (13) is respectively arranged at two ends with the upper and lower groove (171,172) in order to upper and lower crossbeam (161,162) to be led, the bottom surface of described sill (162) is provided with roller (18), and the bottom surface of described shaping position is provided with the track (19) in order to described roller (18) to be guided.
11. the manufacture method manufacturing the H type stake as claimed in claim 2 with steel strand wires, it is characterised in that: described manufacture method comprises the steps of
(1), the customized cut-off of steel strand wires (3), and be arranged in shaping position；
(2), several stirrups (4) string is enclosed within steel strand wires (3), forms steel reinforcement cage；
(3), by on steel reinforcement cage at least the every steel strand wires (3) of one end be connected with end plate (2) by the chuck component (6) of the bellmouth (21) that is positioned in transition member (7) and to fix, again end plate (2) is connected by bolt (10) and anchor plate (8) are fixing, anchor plate (8) corresponding with the end plate (2) being provided with bellmouth (21) has and bores a hole (81) one to one with chuck component (6), steel strand wires (3) pass perforation (81), the steel strand wires of the steel reinforcement cage other end are connected fixing with anchor plate (8)；
(4), close up mould (11), make steel reinforcement cage be positioned at the H-shaped die cavity of mould, allow the anchor plate (8) at two ends fit with the outer face of mould (11) simultaneously；
(5), tension steel strand (3): with punching jack (12) to every steel strand wires (3) stretch-draw respectively, be stretched to specified value and make chuck component (6) locking steel strand wires (3)；
(6), to delivering concrete in the die cavity of mould (11) carrying out feeding, it is closely knit that feeding limit, limit carries out vibrations by shaking device, obtains the concrete pile body (1) of closely knit molding；
(7), steam curing；
(8), form removal, remove the connection of anchor plate (8) and end plate (2) simultaneously and carry out putting and take out finished product concrete-pile；
(9), the steel strand wires (3) exposing outside end plate (2) cut off and polish, making steel strand wires (3) not expose outside the outer face of end plate (2).
12. manufacture method according to claim 11, it is characterized in that: in described step 3, the every steel strand wires (3) at steel reinforcement cage two ends are connected fixing each through the chuck component (6) of the bellmouth (21) being positioned in transition member (7) with end plate (2), and two ends anchor plate all has described perforation (81).
13. manufacture method according to claim 11, it is characterized in that: the stretching mode in described step 5 is, by the head of punching jack (12) through the perforation on anchor plate the outer face withstanding chuck component (6), steel strand wires (3) pass the head of punching jack (12) and are connected with the traction element of punching jack (12), these root steel strand wires (3) are carried out stretch-draw and are stretched to specified value by traction element pull steel strand wires (3) of punching jack (12), steel strand wires (3) are made to deform upon, then punching jack (12) is unloaded, steel strand wires (3) bounce back under the effect of self-deformation retraction force, the retraction of steel strand wires (3) drives chuck component (6) chuck component (6) and bellmouth (21) to be securely fixed towards direction, the small-bore retraction of bellmouth (21), and make the interior perforation (62) in chuck component banding stuck steel strand wires (3) further.
14. manufacture method according to claim 11, it is characterized in that: also include the two armored concrete counter force walls (13) be arrangeding in parallel, the shaping position in described step 1 is formed between this two armored concrete counter force wall (13), described mould (11) is located between two armored concrete counter force walls (13), the upper surface of described two armored concrete counter force walls (13) is provided with guide rail (14), and guide rail (14) is provided with in order to described mould (11) concrete perfusion can along the feeding vehicle (15) of guide rail (14) sliding.
15. manufacture method according to claim 14, it is characterized in that: described anchor plate (8) upper and lower end is respectively fixed with upper and lower crossbeam (161,162), described armored concrete counter force wall (13) is respectively arranged at two ends with the upper and lower groove (171,172) in order to upper and lower crossbeam (161,162) to be led, the bottom surface of described sill (162) is provided with roller (18), and the bottom surface of described shaping position is provided with the track (19) in order to described roller (18) to be guided.
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| CN201410097721.9A CN103953034B (en) | 2014-03-17 | 2014-03-17 | There is H type stake and the manufacture method of steel strand wires |
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| US4604003A (en) * | 1983-02-22 | 1986-08-05 | Francoeur Ronald A | Method and apparatus for retensioning prestressed concrete members |
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| CN202865836U (en) * | 2012-10-19 | 2013-04-10 | 天津宝丰混凝土桩杆有限公司 | Pipe pile steel reinforcement cage with steel strand |
| CN203821384U (en) * | 2014-03-17 | 2014-09-10 | 俞晓东 | H-shaped pile with steel strands |
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| US4604003A (en) * | 1983-02-22 | 1986-08-05 | Francoeur Ronald A | Method and apparatus for retensioning prestressed concrete members |
| CN102261065A (en) * | 2010-05-25 | 2011-11-30 | 张继红 | Opened high-strength concrete prefabricated pile, and pile mould and centrifugal manufacturing method thereof |
| CN102848462A (en) * | 2011-07-01 | 2013-01-02 | 欧阳炎 | Long surface pedestal production line for two-way pre-tensioned pre-stressed concrete track slab |
| CN102828510A (en) * | 2012-09-14 | 2012-12-19 | 谢建富 | H-shaped support pile and preparation method thereof |
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Address after: Wang Road 312300 Zhejiang city of Shaoxing province Shangyu City Jincheng Baiguan Street No. 578 building room 602 Patentee after: Yu Xiaodong Address before: 315450 Zhejiang province Yuyao Mazhu Town Yao village in Ningbo Pipe Corporation Patentee before: Yu Xiaodong |
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