CN213233426U - Bolt connecting rod for precast pile - Google Patents
Bolt connecting rod for precast pile Download PDFInfo
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- CN213233426U CN213233426U CN202021998757.1U CN202021998757U CN213233426U CN 213233426 U CN213233426 U CN 213233426U CN 202021998757 U CN202021998757 U CN 202021998757U CN 213233426 U CN213233426 U CN 213233426U
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- thread
- connecting rod
- precast pile
- cylinder
- buckling
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Abstract
The utility model relates to a bolt connecting rod for precast pile, one end of precast pile connects a plurality of bottom barrels, the other end of precast pile connects a plurality of top barrels, two the precast pile connects through the bolt connecting piece, the bolt connecting piece includes a connecting rod, the connecting rod connects the top barrels, the connecting rod includes plug portion, thread portion, transition portion and screw portion; the plug part is a plane hemisphere, and the diameter of the plane of the plug part close to one side of the thread part is larger than that of the plane of the other side of the thread part; the thread buckling part is in a conical cylinder shape, and the outer surface of the thread buckling part comprises a plurality of annular threads; the transition part is a straight cylinder; the thread part is an external thread cylinder body, and the thread part is in threaded connection with the top cylinder. The utility model improves the connection precision of the connecting rod and the buckling barrel, and the connection is more efficient; the connection stability is improved, the safety of the pile foundation is improved, the service life is prolonged, and the benefit of an enterprise is improved.
Description
Technical Field
The utility model relates to a connecting rod especially relates to a connecting rod that is used for rigidity bolt connecting piece for precast pile.
Background
With the improvement of the importance degree of modern buildings and the continuous increase of the building height, higher requirements are put forward on the bearing capacity of the foundation, the natural foundation cannot better bear the load transmitted by the upper building, so when the natural foundation is used for covering the building, a treatment mode for enhancing the bearing capacity is provided, namely reinforced concrete is used as a foundation precast pile of the foundation, and a pile press machine is used for pressing the pile into the ground to enable the upper part of the precast pile to bear the building.
The precast piles are usually connected by welding or mechanical connection, although the welding mode is widely used, the welding quality requirement is high, the welding time is long, and after the connection, the steel plates react with chloride in soil for a long time to generate rust, so that the connection quality is reduced or disconnected. The manufacturers of precast piles therefore strive to develop mechanical joints and create a method for joining plug elements. The inserted bar or the connecting piece that are commonly used at present easily cause not hard up with the jack between, influence the connection quality, increase the place that promotes in the aspect of connecting stably.
Therefore, the bolt connecting rod for the precast pile in the prior art has a lifting space.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect, the utility model aims at providing a but butt joint installation realizes quick construction's bolt connecting rod to solve prior art's technical problem.
In order to achieve the above purpose, the utility model provides a plug connecting rod for precast pile, the connecting rod comprises a plug part, a thread part, a transition part and a thread part, and the plug part, the thread part, the transition part and the thread part are connected in sequence; the plug part is a plane hemisphere, and the diameter of the plane of the plug part close to one side of the thread part is larger than that of the plane of the other side of the thread part; the thread buckling part is in a conical cylinder shape, the diameter of one side, close to the plug part, of the thread buckling part is larger than that of the other side of the thread buckling part, and the outer surface of the thread buckling part comprises a plurality of annular threads; the transition part is a straight cylinder; the thread part is an external thread cylinder.
According to the utility model discloses preferred embodiment the bolt connecting rod for precast pile, a plurality of end section of thick bamboo is connected to the one end of precast pile, a plurality of top section of thick bamboo, two are connected to the other one end of precast pile the precast pile passes through the bolt connecting piece and connects, the bolt connecting piece includes the connecting rod, the connecting rod is connected a top section of thick bamboo, the connected mode does the screw thread portion spiro union top section of thick bamboo.
According to the plug connecting rod for the precast pile, the plug connecting piece further comprises a connecting nut, a buckling barrel, a balance gasket and a spring, and the spring, the balance gasket, the buckling barrel and the connecting nut are sequentially connected with the bottom barrel; the buckle barrel comprises an annular bottom support and at least four card structures, the card structures are sheet bodies arranged on the bottom support at intervals along the circumferential direction, and the card structures have a buckle function; the balance gasket is a flat gasket, and two sides of the balance gasket are respectively connected with the bottom support and the spring; the connecting nut is an external thread cylinder body, the connecting nut is in threaded connection with the bottom cylinder, one end of the connecting nut is connected with the buckling cylinder, and the buckling cylinder is limited in the bottom cylinder by the connecting nut.
According to the utility model discloses preferred embodiment the bolt connecting rod for precast pile, the L shape lamellar body structure that the card structure constitutes is connected by card and ka tai, the card set up in on the collet, the upper end of card is connected the ka tai, the card tai slopes towards the inner chamber top that a plurality of cards formed.
According to the utility model discloses preferred embodiment the bolt connecting rod for precast pile, the medial surface of ka tai is provided with a plurality of arcuation draw-in grooves, a plurality of along circumference the draw-in groove is parallel to each other and the interval sets up.
The design idea of the utility model is that, design a bolt connecting piece, mainly improved the connecting rod and detained a connection accuracy to set up multiple insurance, guarantee under the normal use that hookup location is not hard up, solve small displacement, extreme condition still can satisfy the requirement of resistance to plucking, improves connection stability, increases pile foundation security, increase service life.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model improves the connection precision of the connecting rod and the buckling barrel, and the connection is more efficient;
2. the utility model is provided with multiple insurance, which ensures that the connection position is not loosened;
3. the utility model discloses a balanced gasket has improved connection stability, increases pile foundation security, and increase of service life has improved the benefit of enterprise.
Drawings
FIG. 1 is a schematic view of a connecting rod of the present invention;
FIG. 2 is a schematic cut-away view of AA of FIG. 1;
FIG. 3 is a schematic view of the buckle tube of the present invention;
fig. 4 is a schematic drawing of the AA cut-away of fig. 3.
Detailed Description
The invention will be elucidated below on the basis of an embodiment shown in the drawing. The embodiments disclosed herein are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is not limited by the following description of the embodiments, but is defined only by the scope of the claims, and includes all modifications that have the same meaning as the scope of the claims and are within the scope of the claims.
The present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 and 2, in the present application, one end of the precast pile is connected to a plurality of bottom barrels (not shown), the bottom barrels are pre-embedded connectors pre-embedded at one end of the precast pile during production of the precast pile, the number of the bottom barrels is different according to the design of the precast pile, the other end of the precast pile is connected to a plurality of top barrels (not shown), similarly, the top barrels are pre-embedded connectors pre-embedded at one end of the precast pile during production of the precast pile, the number of the top barrels is different according to the design of the precast pile, the two precast piles are connected by a plug connector, the plug connector includes a connecting rod, the connecting rod connects the top barrels, the connecting rod includes a plug portion 11, a thread portion 12, a transition portion 13 and a thread portion 14, the plug portion 11, the thread portion 12, and the thread portion 14, The transition portion 13 and the threaded portion 14 are connected in sequence, and the plug portion 11, the button wire portion 12, the transition portion 13 and the threaded portion 14 are integrally formed.
The lower top cylinder is of a cylindrical structure with an open lower end, a stepped connecting hole used for clamping the steel rod and small in upper end and large in lower end is formed in the center of the upper end of the top cylinder, and an internal thread is arranged on the lower portion of the wall of an inner cavity of the top cylinder and is used for connecting the connecting rod.
As shown in fig. 2, the plug portion 11 is a plane hemisphere, and the diameter of the plane of the plug portion 11 close to the filament portion 12 is larger than that of the plane of the other side; the thread buckling part 12 is in a conical cylinder shape, the diameter of one side, close to the plug part 11, of the thread buckling part 12 is larger than that of the other side of the thread buckling part, the outer surface of the thread buckling part 12 comprises a plurality of annular threads, and the threads are turned out by a turning tool; the transition part 13 is a straight cylinder, in the figure, the diameter of the transition part 13 is smaller than or equal to the diameter of the plane of the plug part 11 close to the screw thread part 12, and the design is to avoid interference during connection; the threaded portion 14 is an external thread cylinder, the threaded portion 14 is in threaded connection with the top cylinder, as described above, the top cylinder is an embedded connecting piece embedded at one end of the precast pile, and the connecting rod can be easily screwed into the top cylinder by hand during assembly.
Referring to fig. 3 and 4, the plug pin connector further includes a connection nut (not shown), a fastening sleeve 20, a balance washer (not shown), and a spring (not shown), and the spring, the balance washer, the fastening sleeve 20, and the connection nut are sequentially connected to the bottom sleeve, as described above, the bottom sleeve is a pre-embedded connector pre-embedded at one end of the precast pile, and during assembly, the spring, the balance washer, and the fastening sleeve 20 can be easily placed into the bottom sleeve by hand, and then the connection nut is screwed into the bottom sleeve.
As shown in fig. 3, the fastening tube 20 includes a ring-shaped bottom support 21 and at least four card structures 22, in the embodiment of the present application, the number of the card structures 22 is four, but it should not be limited to this application, and more or less than several pieces should be included as long as they are convenient to use and ensure the connection strength; the card structures 22 are sheet bodies arranged on the bottom support 21 at intervals along the circumferential direction, and the card structures 22 have a buckling function; the balance gasket is a flat gasket, two sides of the balance gasket are respectively connected with the bottom support 21 and the spring, the balance gasket is arranged to solve the problems of deflection and instability caused by the fact that the spring is directly connected with the buckle barrel 20, the balance gasket is uniform, the buckle barrel 20 is better in balance, and connection is more stable; the connecting nut is an external thread cylinder body, the connecting nut is in threaded connection with the bottom cylinder, one end of the connecting nut is connected with the buckling cylinder 20, and the connecting nut limits the buckling cylinder 20 in the bottom cylinder.
The bottom barrel is of a cylindrical structure with an open upper end, a stepped connecting hole used for clamping the steel rod and large in upper end and small in lower end is formed in the center of the lower end of the bottom barrel, and internal threads are formed in the upper portion of the wall of an inner cavity of the bottom barrel and are used for being connected with the connecting nut.
Next, describing the card structure 22, as shown in fig. 4, the card structure 22 is an L-shaped sheet structure formed by connecting cards 221 and card stands 222, the cards 221 are disposed on the base 21, the upper ends of the cards 221 are connected to the card stands 222, the card stands 222 are inclined toward the upper side of the inner cavities formed by the cards 221, in this embodiment, the cards 221 are rectangular, and the gap between two adjacent cards 221 is rectangular. In addition, a plurality of arc-shaped slots are circumferentially arranged on the inner side surface of the clamping table 222, and the slots are parallel to each other and are arranged at intervals. After the connection, the arcuation draw-in groove position of ka tai 222 medial surface is in the connecting rod detain silk portion 12, because the deviation that various reasons formed during the connection, arcuation draw-in groove can be located detain arbitrary position of silk portion 12, this application will detain silk portion 12 and design for coniform cylindric detains the silk, can all form powerful lock ability in arbitrary position for the connection of precast pile is more reliable and more stable.
In order to ensure the connection effect of two objects, firstly, the tight connection between each object and the connecting member needs to be ensured, one end of the connecting member can be directly screwed to the embedded connecting member, as shown by the threaded part 14 of the connecting rod, but the key point of stable connection is the connection at the other end. When a spring is used as a buffer device, a certain gap exists between the plug part 11 of the connecting rod and the buckle barrel 20 due to elasticity after the connecting rod is connected, so that small displacement is caused, in order to solve the problem, the buckle wire part 12 is turned into a buckle wire and is made into a conical barrel shape, the buckle wire part can be occluded with an arc-shaped clamping groove of the clamping table 222 of the buckle barrel 20 after the connecting, the influence of the elasticity of the spring is reduced, and after the plug part 11 passes through the clamping table 222 towards the bottom support 21, the plug part 11 can play a role in blocking, so that connection with an anti-pulling effect is formed. The transition portion 13 has a small diameter, so that a connecting nut with external threads needs to be penetrated through the transition portion, and the connecting nut is used for limiting the buckling barrel 20, the balance washer and the spring.
The utility model has the working points that when in use, one ends of the steel rods of two butted precast piles are respectively fixed in the bottom cylinder and the top cylinder, and then the plug part 11 of the connecting rod passes through the connecting nut and then is buckled in an inner cavity surrounded by a plurality of clamping pieces 221 of the buckling cylinder 20, so that the plug part 11 is connected with the buckling cylinder 20, and the steel rods of the two precast piles are quickly connected together; the bolt connecting piece has the advantages of being simple and compact in structure, high in pulling resistance bearing capacity, efficient, simple and convenient to connect, low in manufacturing cost, high in construction efficiency, free of welding during field installation, and greatly improved in construction efficiency.
The purpose of this application is, the bolt connecting piece is through the mode that adopts mechanical connection, and the cooperation is at the pre-buried mechanical component in advance of mill, during site operation, only need to aim at two sections stake hole site, twist on the pre-buried connecting piece and can dock the installation, realize the construction of quick environmental protection, practice thrift construction cost. And the integrality and the stability of lifting machine connection, the precast pile after using the bolt connecting piece can possess better resistance to compression resistance to plucking effect and improve the anticorrosive effect of junction.
It is right above the utility model discloses carry out detailed introduction, compared with the prior art, the utility model has the advantages of it is following:
1. the utility model improves the connection precision of the connecting rod and the buckling barrel, and the connection is more efficient;
2. the utility model is provided with multiple insurance, which ensures that the connection position is not loosened;
3. the utility model discloses a balanced gasket has improved connection stability, increases pile foundation security, and increase of service life has improved the benefit of enterprise.
The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.
Claims (5)
1. The bolt connecting rod for the precast pile is characterized by comprising a plug part, a thread buckling part, a transition part and a thread part, wherein the plug part, the thread buckling part, the transition part and the thread part are sequentially connected; the plug part is a plane hemisphere, and the diameter of the plane of the plug part close to one side of the thread part is larger than that of the plane of the other side of the thread part;
the thread buckling part is in a conical cylinder shape, the diameter of one side, close to the plug part, of the thread buckling part is larger than that of the other side of the thread buckling part, and the outer surface of the thread buckling part comprises a plurality of annular threads;
the transition part is a straight cylinder;
the thread part is an external thread cylinder.
2. The latch connecting rod for precast pile according to claim 1, wherein one end of the precast pile is connected to a plurality of bottom barrels, the other end of the precast pile is connected to a plurality of top barrels, the two precast piles are connected by a latch connecting member, the latch connecting member includes the connecting rod, the connecting rod is connected to the top barrels, and the connecting mode is that the threaded portion is in threaded connection with the top barrels.
3. The cross-pin connecting rod for the precast pile as recited in claim 2, wherein the cross-pin connecting member further comprises a connecting nut, a fastening barrel, a balance washer and a spring, and the spring, the balance washer, the fastening barrel and the connecting nut are sequentially connected with the bottom barrel; wherein the content of the first and second substances,
the buckle barrel comprises an annular bottom support and at least four card structures, the card structures are sheet bodies arranged on the bottom support at intervals along the circumferential direction, and the card structures have a buckle function;
the balance gasket is a flat gasket, and two sides of the balance gasket are respectively connected with the bottom support and the spring;
the connecting nut is an external thread cylinder body, the connecting nut is in threaded connection with the bottom cylinder, one end of the connecting nut is connected with the buckling cylinder, and the buckling cylinder is limited in the bottom cylinder by the connecting nut.
4. The precast pile connecting pin rod according to claim 3, wherein the locking structure is an L-shaped plate structure formed by locking pieces and locking platforms, the locking pieces are arranged on the bottom support, the locking platforms are connected to the upper ends of the locking pieces, and the locking platforms are inclined towards the upper part of the inner cavity formed by the locking pieces.
5. The cross-pin connecting rod for precast pile as recited in claim 4, wherein a plurality of arc-shaped slots are circumferentially provided on an inner side surface of the locking platform, and the plurality of slots are parallel to each other and spaced apart from each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021998757.1U CN213233426U (en) | 2020-09-14 | 2020-09-14 | Bolt connecting rod for precast pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021998757.1U CN213233426U (en) | 2020-09-14 | 2020-09-14 | Bolt connecting rod for precast pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213233426U true CN213233426U (en) | 2021-05-18 |
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ID=75873096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021998757.1U Active CN213233426U (en) | 2020-09-14 | 2020-09-14 | Bolt connecting rod for precast pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213233426U (en) |
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2020
- 2020-09-14 CN CN202021998757.1U patent/CN213233426U/en active Active
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