CN110000519A - Pretensioned prestressed concrete pipe pile end plate processing technology - Google Patents

Pretensioned prestressed concrete pipe pile end plate processing technology Download PDF

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Publication number
CN110000519A
CN110000519A CN201910281793.1A CN201910281793A CN110000519A CN 110000519 A CN110000519 A CN 110000519A CN 201910281793 A CN201910281793 A CN 201910281793A CN 110000519 A CN110000519 A CN 110000519A
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CN
China
Prior art keywords
hole
drill bit
anchor hole
muscle
steel plate
Prior art date
Application number
CN201910281793.1A
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Chinese (zh)
Other versions
CN110000519B (en
Inventor
陈开鹏
徐力
徐胜
周建东
Original Assignee
常熟市龙腾滚动体制造有限公司
常熟市龙腾特种钢有限公司
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Application filed by 常熟市龙腾滚动体制造有限公司, 常熟市龙腾特种钢有限公司 filed Critical 常熟市龙腾滚动体制造有限公司
Priority to CN201910281793.1A priority Critical patent/CN110000519B/en
Publication of CN110000519A publication Critical patent/CN110000519A/en
Application granted granted Critical
Publication of CN110000519B publication Critical patent/CN110000519B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23POTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Abstract

The present invention relates to a kind of pretensioned prestressed concrete pipe pile end plate processing technologys, end plate includes steel plate ontology, evenly arranged several groups card slot is offered along its circumferencial direction on steel plate ontology, every group of card slot includes anchor hole and wears muscle hole, what anchor hole and wearing offered both connection between muscle hole crosses diameter slot, first drilling forms anchor hole on the circumferencial direction of steel plate body surface, again by wearing muscle hole described in the machine-shaping of countersunk head drill bit by anchor hole, the countersunk head drill bit pierces after steel plate ontology the through-hole for being initially formed small-bore, the rear end for continuing on through-hole of the rear countersunk head drill bit in this small-bore forms step surface, to wear muscle hole described in molding, adjacent anchor hole is punched through finally by punching machine and wears the steel plate between muscle hole, it forms the adjacent anchor hole of connection and wears the diameter slot excessively in muscle hole.The present invention can reduce the difficulty of processing of diameter slot, improve production efficiency, while also effectively improve the processing quality of end plate.

Description

Pretensioned prestressed concrete pipe pile end plate processing technology

Technical field

The present invention relates to prefabricated pile manufacturing technology fields, more particularly to a kind of pretensioned prestressed concrete pipe pile end Board machining process.

Background technique

With the propulsion of the revolution of domestic mechanical automation, the machining accuracy of pretensioned prestressed concrete pipe pile end plate And yield rate requires to be continuously improved, and crosses in diameter slot processing technology current, is after being first drilled macropore, then one is bored beside it The aperture of half depth punches through at the center of diameter slot excessively and the aperture for having rushed half finally by punching machine together, but due to Punching machine precision and the experience of operative employee are limited, in the actual production process often exist rush it is not in place, overshoot, rush situations such as inclined, Lead to the generation of rejected product.

How processing technology is improved, is a current problem urgently to be solved from the processing quality and precision for improving end plate.

Summary of the invention

The invention aims to provide a kind of pretensioned prestressed concrete pipe pile end plate processing technology, diameter was reduced The difficulty of processing of slot improves production efficiency, while also effectively improving the processing quality of end plate.

In order to achieve the above objectives, the technical solution adopted by the present invention is that:

The present invention provides a kind of pretensioned prestressed concrete pipe pile end plate processing technology, end plate includes steel plate ontology, Evenly arranged several groups card slot is offered along its circumferencial direction on steel plate ontology, every group of card slot includes anchor hole and wear muscle hole, anchor What hole and wearing offered both connection between muscle hole crosses diameter slot, including following procedure of processing:

Step a: drilling forms anchor hole on the circumferencial direction of steel plate body surface;

Step b: by wearing muscle hole described in the machine-shaping of countersunk head drill bit by anchor hole, the countersunk head drill bit is pierced after steel plate ontology first The through-hole for forming small-bore, the rear end for continuing on through-hole of the rear countersunk head drill bit in this small-bore form step surface, from And muscle hole is worn described in molding;

Step c: punching through adjacent anchor hole by punching machine and wear the steel plate between muscle hole, forms the adjacent anchor hole of connection and wears muscle hole Cross diameter slot.

For above-mentioned technical proposal, there are also further Optimized Measures by applicant.

Further, countersunk head drill bit employed in step b is the column structure of front fine and rear thick two-part.

Further, the countersunk head drill bit includes integrated the first drill bit and the second drill bit, and first positioned at front end bores Head is narrower than the second drill bit positioned at rear end, and the rear end of first drill bit is seamlessly transitted to the second drill bit, and is arranged at transition face There is brill line.

Further, it the anchor hole and wears the axle center in muscle hole and is located on same circumference, and cross described in diameter slot is entirely parallel with Anchor hole and the axle center connecting line for wearing muscle hole.

Further, it the anchor hole that is drilled with respectively in step a and step b and wears there is gap between muscle hole, gap is little In 1 millimeter.

Due to the above technical solutions, the present invention has the following advantages over the prior art:

Pretensioned prestressed concrete pipe pile of the invention end plate processing technology, is processed by countersunk head drill bit and wears muscle hole, worn The bore mode in muscle hole is the reshaping step surface that first spiles, and then washes out the coupling part worn between muscle hole and anchor hole, thus The diameter slot excessively that muscle hole and anchor hole are worn in connection is formed, after improving processing technology, punch forming connection anchor hole is only needed and wears muscle hole Cross diameter slot, effectively shorten difficulty of processing and process time, improve product quality.

Detailed description of the invention

Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter. Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these What attached drawing was not necessarily drawn to scale.In attached drawing:

Fig. 1 be according to an embodiment of the present invention in pretensioned prestressed concrete pipe pile end plate structural schematic diagram;

Fig. 2 is the partial structurtes enlarged drawing in end plate shown in Fig. 1;

Fig. 3 be according to an embodiment of the present invention in countersunk head drill bit structural schematic diagram.

Wherein, the reference numerals are as follows:

1, steel plate ontology;2, anchor hole;3, muscle hole is worn;4, diameter slot is crossed;51, the first drill bit;52, the second drill bit.

Specific embodiment

Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.

As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments It can be combined with each other at conflict.

A kind of pretensioned prestressed concrete pipe pile end plate processing technology is present embodiments provided, typically, is such as schemed 1, shown in Fig. 2, pretensioned prestressed concrete pipe pile end plate includes steel plate ontology 1, along its circumferencial direction on steel plate ontology 1 Offer evenly arranged several groups card slot, every group of card slot includes anchor hole 2 and wear muscle hole 3, and anchor hole 2 and wearing opens up between muscle hole 3 Have both connection crosses diameter slot 4.

This end plate processing technology includes following procedure of processing: firstly, drilling on the circumferencial direction on 1 surface of steel plate ontology Form anchor hole 2.Then, by wearing muscle hole 3 described in the machine-shaping of countersunk head drill bit by anchor hole 2, used herein of used heavy Head drill bit is the column structure of front fine and rear thick two-part, and the countersunk head drill bit is initially formed small-bore after piercing steel plate ontology 1 Through-hole, the rear end for continuing on through-hole of the rear countersunk head drill bit in this small-bore form step surface, to mold described Muscle hole 3 is worn, the anchor hole 2 that is drilled with and wears there is gap between muscle hole 3, gap is not more than 1 millimeter.Finally, being rushed by punching machine It wears adjacent anchor hole 2 and wears the steel plate between muscle hole 3, form the adjacent anchor hole 2 of connection and wear the diameter slot 4. excessively in muscle hole 3

Particularly, countersunk head drill bit employed in the present embodiment includes integrated the first drill bit 51 and the second drill bit 52, is located at First drill bit 51 of front end is narrower than the second drill bit 52 positioned at rear end, and the rear end of first drill bit 51 seamlessly transits to second and bores First 52, and brill line is provided at transition face.

In order to guarantee that intensity and the stress torque of end plate entirety are kept in balance, the anchor hole 2 and the axle center for wearing muscle hole 3 are located at On same circumference, and crosses diameter slot 4 and be entirely parallel with the anchor hole 2 and wear the axle center connecting line in muscle hole 3.

In summary, pretensioned prestressed concrete pipe pile of the invention end plate processing technology, by countersunk head drill bit come Muscle hole 3 is worn in processing, and the bore mode for wearing muscle hole 3 is the reshaping step surface that first spiles, then wash out wear muscle hole 3 and anchor hole 2 it Between coupling part after improving processing technology, only need punching press so that form that connection wears muscle hole 3 and anchor hole 2 crosses diameter slot 4 Molding connection anchor hole 2 crosses diameter slot 4 with wear muscle hole 3, effectively shortens difficulty of processing and process time, improves product quality.

The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, it is all according to the present invention Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.

Claims (5)

1. a kind of pretensioned prestressed concrete pipe pile end plate processing technology, end plate includes steel plate ontology, on steel plate ontology Evenly arranged several groups card slot is offered along its circumferencial direction, and every group of card slot includes anchor hole and wear muscle hole, anchor hole and wears muscle hole Between offer both connection cross diameter slot, which is characterized in that including following procedure of processing:
Step a: drilling forms anchor hole on the circumferencial direction of steel plate body surface;
Step b: by wearing muscle hole described in the machine-shaping of countersunk head drill bit by anchor hole, the countersunk head drill bit is pierced after steel plate ontology first The through-hole for forming small-bore, the rear end for continuing on through-hole of the rear countersunk head drill bit in this small-bore form step surface, from And muscle hole is worn described in molding;
Step c: punching through adjacent anchor hole by punching machine and wear the steel plate between muscle hole, forms the adjacent anchor hole of connection and wears muscle hole Cross diameter slot.
2. pretensioned prestressed concrete pipe pile according to claim 1 end plate processing technology, which is characterized in that step Countersunk head drill bit employed in b is the column structure of front fine and rear thick two-part.
3. pretensioned prestressed concrete pipe pile according to claim 2 end plate processing technology, which is characterized in that described Countersunk head drill bit includes integrated the first drill bit and the second drill bit, and the first drill bit positioned at front end is narrower than to be bored positioned at the second of rear end The rear end of head, first drill bit is seamlessly transitted to the second drill bit, and brill line is provided at transition face.
4. pretensioned prestressed concrete pipe pile according to any one of claim 1 to 3 end plate processing technology, special Sign is that the anchor hole and the axle center for wearing muscle hole are located on same circumference, and crosses diameter slot and be entirely parallel with the anchor hole and wear muscle The axle center connecting line in hole.
5. pretensioned prestressed concrete pipe pile according to any one of claim 1 to 3 end plate processing technology, special Sign is, the anchor hole that is drilled with respectively in step a and step b and wears and has gap between muscle hole, and gap is not more than 1 millimeter.
CN201910281793.1A 2019-04-09 2019-04-09 Processing technology of end plate for pretensioned prestressed concrete pipe pile CN110000519B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910281793.1A CN110000519B (en) 2019-04-09 2019-04-09 Processing technology of end plate for pretensioned prestressed concrete pipe pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910281793.1A CN110000519B (en) 2019-04-09 2019-04-09 Processing technology of end plate for pretensioned prestressed concrete pipe pile

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CN110000519A true CN110000519A (en) 2019-07-12
CN110000519B CN110000519B (en) 2020-04-14

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1952271A (en) * 2005-10-17 2007-04-25 马鞍山市华科实业有限公司 Process for manufacturing end plate for use in pretensioning method prestressed concrete pipe pile
KR20090069151A (en) * 2009-05-20 2009-06-29 최기화 Prefab apparatus for reinforcing head of pile
CN201826305U (en) * 2010-02-01 2011-05-11 宿迁市固丰管桩有限公司 Prestressed concrete pipe pile end plate
CN202073091U (en) * 2011-04-12 2011-12-14 泰州润伟机械有限公司 Prestressed concrete pipe pile end plate
CN202323939U (en) * 2011-11-22 2012-07-11 上海中技桩业股份有限公司 Round end plate of prestressed concrete pipe pile
CN103276727A (en) * 2013-06-04 2013-09-04 吴建生 Prestressed high-strength concrete tubular pile, end plate, concrete and production method of tubular pile
CN103572755A (en) * 2013-11-01 2014-02-12 中淳高科桩业股份有限公司 Prestressed concrete precast pile
CN204266199U (en) * 2014-11-18 2015-04-15 六安市皖鑫管桩附件有限公司 Prestressed concrete pipe pile end plate
CN204266197U (en) * 2014-11-18 2015-04-15 六安市皖鑫管桩附件有限公司 Many anchor holes pile end board

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1952271A (en) * 2005-10-17 2007-04-25 马鞍山市华科实业有限公司 Process for manufacturing end plate for use in pretensioning method prestressed concrete pipe pile
KR20090069151A (en) * 2009-05-20 2009-06-29 최기화 Prefab apparatus for reinforcing head of pile
CN201826305U (en) * 2010-02-01 2011-05-11 宿迁市固丰管桩有限公司 Prestressed concrete pipe pile end plate
CN202073091U (en) * 2011-04-12 2011-12-14 泰州润伟机械有限公司 Prestressed concrete pipe pile end plate
CN202323939U (en) * 2011-11-22 2012-07-11 上海中技桩业股份有限公司 Round end plate of prestressed concrete pipe pile
CN103276727A (en) * 2013-06-04 2013-09-04 吴建生 Prestressed high-strength concrete tubular pile, end plate, concrete and production method of tubular pile
CN103572755A (en) * 2013-11-01 2014-02-12 中淳高科桩业股份有限公司 Prestressed concrete precast pile
CN204266199U (en) * 2014-11-18 2015-04-15 六安市皖鑫管桩附件有限公司 Prestressed concrete pipe pile end plate
CN204266197U (en) * 2014-11-18 2015-04-15 六安市皖鑫管桩附件有限公司 Many anchor holes pile end board

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