阅读说明：本技术 一种用于预制桩的新型机械连接装置 (Novel mechanical connection device for precast pile ) 是由 郑志忠 于 2021-09-18 设计创作，主要内容包括：本发明涉及一种用于预制桩的新型机械连接装置,包括：钢棒,套筒,弹簧,垫片,卡片,外接螺母,插杆；所述钢棒包括上钢棒,下钢棒；所述外接螺母内设有通孔；所述外接螺母包括上外接螺母,下外接螺母；所述套筒与所述上外接螺母连接固定；所述上钢棒通过所述套筒与所述上外接螺母连接固定；所述弹簧、垫片、卡片按由上至下的顺序依次设置在所述上钢棒的下端；所述下钢棒与所述下外接螺母连接；所述插杆的下端与所述下外接螺母的上端连接。本发明通过钢棒、插杆及套筒的设计,增强了其抗压能力,并且套筒与上外接螺母连接的效果,保证了其工作的稳定性,增强了使用寿命,且安装便捷有效。(The invention relates to a novel mechanical connecting device for a precast pile, which comprises: the device comprises a steel bar, a sleeve, a spring, a gasket, a clamping piece, an external nut and an insertion rod; the steel bars comprise an upper steel bar and a lower steel bar; a through hole is formed in the external nut; the external nut comprises an upper external nut and a lower external nut; the sleeve is fixedly connected with the upper external nut; the upper steel bar is fixedly connected with the upper external nut through the sleeve; the spring, the gasket and the clamping piece are sequentially arranged at the lower end of the upper steel bar from top to bottom; the lower steel bar is connected with the lower external nut; the lower end of the inserted bar is connected with the upper end of the lower external nut. According to the invention, through the design of the steel bar, the inserted bar and the sleeve, the pressure resistance of the steel bar is enhanced, and the effect of connecting the sleeve and the upper external nut ensures the working stability of the steel bar, prolongs the service life, and is convenient and effective to install.)

1. A novel mechanical connecting device for a precast pile is characterized by comprising a steel bar, a sleeve, a spring, a gasket, a clamping piece, an external nut and an inserted rod;

the steel bars comprise an upper steel bar and a lower steel bar; a through hole is formed in the external nut; the external nut comprises an upper external nut and a lower external nut; the sleeve is fixedly connected with the upper external nut; the upper steel bar is fixedly connected with the upper external nut through the sleeve; the spring, the gasket and the clamping piece are sequentially arranged at the lower end of the upper steel bar from top to bottom; the lower steel bar is connected with the lower external nut; the lower end of the inserted bar is connected with the upper end of the lower external nut.

2. A new mechanical connection device for precast piles according to claim 1, characterized in that: the upper end of the upper external nut is provided with an internal connecting thread; the outer end of the sleeve is provided with an external connecting thread.

3. A new mechanical connection device for precast piles according to claim 1, characterized in that: a connecting hole is formed in the sleeve; the lower end of the connecting hole is provided with an extending edge.

4. A new mechanical connection device for precast piles according to claim 3, characterized in that: the lower end of the upper steel bar is provided with a limiting block; the diameter of the lower end of the extending edge is equal to that of the lower end of the limiting block.

5. A new mechanical connection device for precast piles according to claim 1, characterized in that: the card is internally provided with an insertion hole.

6. A new mechanical connection device for precast piles according to claim 1, characterized in that: the lower end of the inserted bar is provided with a lower connecting thread; the upper end of the lower external nut is provided with a fixed connection thread.

7. A new mechanical connection device for precast piles according to claim 1, characterized in that: and a screwing block is arranged at the upper end of the sleeve.

Technical Field

The invention relates to the field of precast pile connection, in particular to a novel mechanical connecting device for a precast pile.

Background

The connection between current stake and the stake is mostly through end plate welding formation connection effect, but this mode is manual welding, and the unstable factor is many, does not reach accurate working effect, and a small number of connections through connecting device, and some connecting device structures are complicated, and the installation combination process is more troublesome, and sealed and stability is not high. Therefore, a new mechanical connection device for precast pile with stable operation and convenient installation is needed.

Disclosure of Invention

The invention aims to provide a novel mechanical connecting device for a precast pile, which is stable in work and convenient and fast to install.

In order to ensure that the operation is stable and the installation is convenient and fast in the using process, the invention relates to a novel mechanical connecting device for a precast pile, which comprises:

the device comprises a steel bar, a sleeve, a spring, a gasket, a clamping piece, an external nut and an insertion rod;

the steel bars comprise an upper steel bar and a lower steel bar; a through hole is formed in the external nut; the external nut comprises an upper external nut and a lower external nut; the sleeve is fixedly connected with the upper external nut; the upper steel bar is fixedly connected with the upper external nut through the sleeve; the spring, the gasket and the clamping piece are sequentially arranged at the lower end of the upper steel bar from top to bottom; the lower steel bar is connected with the lower external nut; the lower end of the inserted bar is connected with the upper end of the lower external nut.

The invention has the advantages that the pressure resistance of the steel bar is enhanced through the design of the steel bar, the inserted rod and the sleeve, the working stability of the sleeve is ensured through the effect of connecting the sleeve with the upper external nut, the service life is prolonged, and the installation is convenient and effective.

Furthermore, the upper end of the upper external nut is provided with an internal connecting thread; the outer end of the sleeve is provided with an external connecting thread. Through the design of internal connection screw thread, external connection screw thread, guarantee sleeve and last external nut and be connected fixed stability.

Furthermore, a connecting hole is formed in the sleeve; the lower end of the connecting hole is provided with an extending edge. Through the design of connecting hole, guarantee to go up the rod iron and can pass the sleeve through the connecting hole, guarantee to go up the stretching out that the rod iron can be stable.

Furthermore, the lower end of the upper steel bar is provided with a limiting block; the diameter of the lower end of the extending edge is equal to that of the lower end of the limiting block. Through the design on stopper and extension limit, can not follow the sleeve and fall out of the excellent steel of assurance going up, guarantee job stabilization nature.

Furthermore, an insertion hole is formed in the card. Through the design of patchhole, guarantee that the inserted bar can be stable the inserting in it, can not produce the scheduling problem that drops.

Furthermore, the lower end of the inserted bar is provided with a lower connecting thread; the upper end of the lower external nut is provided with a fixed connection thread. Through the design of lower connecting thread and fixed connection screw thread, the validity that inserted bar and lower external nut are connected is guaranteed.

Furthermore, the upper end of the sleeve is provided with a tightening block. Through the design of the screwing block, convenience when the sleeve and the upper external nut are screwed is guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a structural view of a first embodiment of a novel mechanical connecting device for precast piles according to the present invention;

fig. 2 is a connection view of a novel mechanical connection device for a precast pile according to the present invention;

fig. 3 is a structural view of a second embodiment of the novel mechanical connecting device for precast piles according to the present invention.

The corresponding part names indicated by the numbers in the figures:

1. feeding a steel bar; 2. discharging a steel bar; 3. a sleeve; 4. a spring; 5. a gasket; 6. a card; 7. an upper external nut; 8. a lower external nut; 9. inserting a rod; 10. a through hole; 11. an internal connecting thread; 12. external connecting threads; 13. connecting holes; 14. an extension edge; 15. a limiting block; 16. an insertion hole; 17. a lower connecting thread; 18. fixedly connecting threads; 19. screwing the block; 20. a slot; 21. and fixing the grooves.

Detailed Description

The present invention will be further described in detail with reference to the following specific examples:

the invention aims to provide a novel mechanical connecting device for a precast pile, which is stable in work and convenient and fast to install.

As shown in fig. 1, in order to ensure stable operation and convenient installation during use, the invention relates to a novel mechanical connecting device for a precast pile, which comprises:

the steel bar, the sleeve 3, the spring 4, the gasket 5, the clamping piece 6, the external nut and the inserted rod 9;

the steel bars comprise an upper steel bar 1 and a lower steel bar 2; a through hole 10 is formed in the external nut; the external nut comprises an upper external nut 7 and a lower external nut 8; the sleeve 3 is fixedly connected with the upper external nut 7; the upper steel bar 1 is fixedly connected with the upper external nut 7 through the sleeve 3; the spring 4, the gasket 5 and the clamping piece 6 are sequentially arranged at the lower end of the upper steel bar 1 from top to bottom; the lower steel bar 2 is connected with the lower external nut 8; the lower end of the inserted bar 9 is connected with the upper end of the lower external nut 8.

The invention has the advantages that the pressure resistance of the steel bar is enhanced through the design of the steel bar, the inserted rod 9 and the sleeve 3, the effect of connecting the sleeve 3 with the upper external nut 7 ensures the working stability of the sleeve, prolongs the service life of the sleeve, and is convenient and effective to install.

Further, the upper end of the upper external nut 7 is provided with an internal connecting thread 11; the outer end of the sleeve 3 is provided with an external connecting thread 12. Through the design of internal connecting thread 11, external connecting thread 12, guarantee sleeve 3 and last external nut 7 connection fixed stability.

Further, a connecting hole 13 is formed in the sleeve 3; the lower end of the connecting hole 13 is provided with an extending edge 14. Through the design of connecting hole 13, guarantee to go up rod iron 1 and can pass sleeve 3 through connecting hole 13, guarantee to go up rod iron 1 and can stretch out stably.

Further, the lower end of the upper steel bar 1 is provided with a limiting block 15; the diameter of the lower end of the extending edge 14 is equal to the diameter of the lower end of the limiting block 15. Through the design of stopper 15 and extension limit 14, guarantee going up the excellent 1 of steel and can not fall out in the sleeve 3, guarantee the stability of work.

Further, an insertion hole 16 is provided in the card 6. By the design of the insertion hole 16, the insertion rod 9 can be stably inserted into the insertion hole without falling off.

Further, the lower end of the inserted rod 9 is provided with a lower connecting thread 17; the upper end of the lower external nut 8 is provided with a fixed connection thread 18. The effectiveness of the connection between the inserted rod 9 and the lower external nut 8 is ensured through the design of the lower connecting thread 17 and the fixed connecting thread 18.

Further, the upper end of the sleeve 3 is provided with a tightening block 19. Through the design of the tightening block 19, convenience when the sleeve 3 is tightened with the upper external nut 7 is guaranteed.

As shown in fig. 2, in the first embodiment, the sleeve 3 and the upper external nut 7 are screwed and fixed in a threaded manner, the upper end of the upper steel bar 1 extends out through a connecting hole 13 in the sleeve 3, the lower end of the upper steel bar 1 is limited through an extending edge 14 at the lower end of the sleeve 3, the extending radian of the extending edge 14 is equal to the radian of a limiting block 15 of the upper steel bar 1, so as to ensure the stability of the attachment, the spring 4 is arranged at the lower end of the upper steel bar 1, the upper end of the gasket 5 is arranged at the lower end surface of the spring 4, the lower end of the gasket 5 is arranged at the upper end of the card 6, an inserting hole 16 is arranged in the card 6, the inserting rod 9 is matched and inserted and fixed, the lower end of the inserting rod 9 is connected and fixed with the upper end of the lower external nut 8 in a screwed manner, and the connection manner of the lower steel bar 2 and the lower external nut 8 is the same as the connection manner of the upper steel bar 1 and the sleeve 3.

As shown in fig. 3, in the second embodiment, the upper steel bar 1 may not be connected to the upper external nut 7, and the sleeve 3 may be provided with a slot 20, the slot 20 is provided with a fixing groove 21, the upper steel bar 1 is placed in the sleeve 3 through the slot 20, then the upper steel bar 1 is pulled up, and the limiting block 15 stretched to the lower end of the upper steel bar 1 is clamped in the fixing groove 21, so as to achieve the fixing effect, while the sleeve 3 is still connected and fixed to the upper external nut 7, and the other connection modes are the same as those in the first embodiment.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.