CN211818103U

CN211818103U - Construction engineering prestressed concrete construction equipment

Info

Publication number: CN211818103U
Application number: CN201922352518.2U
Authority: CN
Inventors: 梁忠文
Original assignee: Zhejiang Shankou Construction Engineering Co ltd
Current assignee: Zhejiang Shankou Construction Engineering Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-10-30
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a building engineering prestressed concrete construction equipment, including back backup pad and preceding tensioning plate, back backup pad side surface passes through the jack and is connected with preceding tensioning plate, and the back backup pad opposite side surface has seted up the anchor clamps groove to anchor clamps inslot portion runs through the back backup pad and has seted up back through wires hole. Has the advantages that: the utility model discloses a centre gripping groove, hydraulic stem and grip ring, after the backup pad is installed, penetrate steel strand wires from back through wires hole, and through the pipe, wear out in the past through wires hole, when carrying out prestressing force stretch-draw, the extension hydraulic stem, the hydraulic stem drives the grip ring and carries steel strand wires, prevent that steel strand wires from sliding, can carry out stretch-draw, stretch-draw finishes the back, make the hydraulic stem shorten and can relax steel strand wires, the centre gripping groove, the setting of hydraulic stem and grip ring is convenient for the centre gripping and is released steel strand wires, for traditional clamping device, it is more convenient to operate, the ann time of tearing open has been saved, and work efficiency is improved.

Description

Construction engineering prestressed concrete construction equipment

Technical Field

The utility model relates to a prestressed structure construction technical field particularly, relates to a building engineering prestressed concrete construction equipment.

Background

The prestressed concrete structure is characterized by that before the structural member is acted by external load, it is artificially pressurized, so that the produced prestressed state can be used for reducing or counteracting the tensile stress resulted from external load, i.e. the high compressive strength of concrete can be used for making up the deficiency of tensile strength so as to attain the goal of delaying the concrete crack in the tensile region.

The prestressed concrete structure is usually constructed by adopting a pre-tensioning method and a post-tensioning method, in the post-tensioning construction process, a steel strand or a steel bar needs to be stretched, so that the concrete cracking resistance is improved by utilizing the retraction stress of the steel bar.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a building engineering prestressed concrete construction equipment possesses the ann of being convenient for and tears, advantage that work efficiency is high, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For the above-mentioned ann of realizing tearing open, advantage that work efficiency is high, the utility model discloses a concrete technical scheme as follows:

the utility model provides a building engineering prestressed concrete construction device, includes back backup pad and preceding tensioning plate, back backup pad side surface passes through the jack and is connected with preceding tensioning plate, and back backup pad opposite side surface has seted up the anchor clamps groove to the backup pad has seted up back through wires hole after anchor clamps inslot portion runs through, equipment groove has been seted up to preceding tensioning plate opposite side surface, and equipment inslot surface has seted up the centre gripping groove to before the centre gripping groove central point puts and runs through the corresponding back through wires hole of tensioning plate and has seted up preceding through wires hole, threading hole fixed mounting has the hydraulic stem before the centre gripping inslot wall corresponds, and the hydraulic stem other end installs the grip ring, back backup pad side surface is located back through wires hole outside fixedly connected with pipe, and the pipe other end and preceding tensioning plate side surface butt.

Further, the jack outside is located and is connected with the stabilizer bar between back support plate and the preceding stretch-draw board, and the stabilizer bar comprises outer pole, interior pole, spring and ball support piece to the inside grafting of outer pole has interior pole, interior pole one end is located that outer pole is inside to be connected through spring and the inside one end of outer pole, and is provided with ball support piece between outer pole inner wall and the interior pole outer wall, ball support piece has ball seat and ball to constitute, and the ball seat is fixed at the outer pole inner wall to the ball joint is inside the ball seat and with ball seat roll connection, ball and interior pole outer wall roll butt.

Further, the ball bearing support is provided with a plurality of ball bearing supports, and the plurality of ball bearing supports are arranged in an equiangular mode relative to the circle center of the outer rod.

Furthermore, the clamping ring is of an arc-shaped structure, and the outer wall of the clamping ring is of a rough structure.

Furthermore, the jack is driven by electric power, and the hydraulic rod is driven by electric power.

Further, the diameter of the inner part of the clamp groove is larger than the diameter of the clamp, and the diameter of the clamp groove is larger than the diameter of a limiting plate matched with the clamp for use.

(III) advantageous effects

Compared with the prior art, the utility model provides a building engineering prestressed concrete construction equipment possesses following beneficial effect:

(1) the utility model discloses a centre gripping groove, hydraulic stem and grip ring, after the backup pad is installed, penetrate steel strand wires from back through wires hole, and through the pipe, wear out in the past through wires hole, when carrying out prestressing force stretch-draw, the extension hydraulic stem, the hydraulic stem drives the grip ring and carries steel strand wires, prevent that steel strand wires from sliding, can carry out stretch-draw, stretch-draw finishes the back, make the hydraulic stem shorten and can relax steel strand wires, the centre gripping groove, the setting of hydraulic stem and grip ring is convenient for the centre gripping and is released steel strand wires, for traditional clamping device, it is more convenient to operate, the ann has saved and has torn open the time, and work efficiency is improved.

(2) The utility model discloses a back backup pad, preceding tensioning plate and jack have replaced traditional drum type hydraulic equipment, and the structure is simpler, and the quality is lighter, and it is more convenient to install, simultaneously, is connected with the pipe between preceding through wires hole and the back through wires hole, for the steel strand wires provides the direction, very big has made things convenient for staff's threading, has improved steel strand wires installation effectiveness to the efficiency of construction has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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 these drawings without creative efforts.

Fig. 1 is a side view of a construction apparatus for prestressed concrete for construction work according to the present invention;

FIG. 2 is a front view of the front tension plate of the present invention;

FIG. 3 is a front view of the back support plate of the present invention;

fig. 4 is a schematic structural view of a stabilizer bar according to the present invention;

fig. 5 is a cross-sectional view of the clamping groove of the present invention;

figure 6 is a cross-sectional view of the ball support of the present invention.

In the figure:

1. a rear support plate; 2. a jack; 3. a stabilizer bar; 4. a conduit; 5. a front tension plate; 6. a clamping groove; 7. a clamp ring; 8. a front threading hole; 9. a hydraulic lever; 10. an equipment groove; 11. a rear threading hole; 12. a clamp groove; 13. an outer rod; 14. a spring; 15. a ball support; 151. a ball seat; 152. a ball bearing; 16. an inner rod.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a building engineering prestressed concrete construction equipment.

Referring now to the drawings and the detailed description, the present invention will be further described, as shown in fig. 1-6, a prestressed concrete construction device for construction engineering according to an embodiment of the present invention comprises a rear support plate 1 and a front tension plate 5, wherein one side surface of the rear support plate 1 is connected to the front tension plate 5 through a jack 2, and the other side surface of the rear support plate 1 is provided with a clamp groove 12, the clamp groove 12 is convenient for placing a clamp, the clamp is of a common structure, which is not described herein, and a rear threading hole 11 is formed through the rear support plate 1 inside the clamp groove 12, a device groove 10 is formed on the other side surface of the front tension plate 5, a clamping groove 6 is formed on the inner surface of the device groove 10, and the center position of the clamping groove 6 is provided with a front threading hole 8 corresponding to the rear threading hole 11 through the front tension plate 5, and the rear threading hole 11 and the front threading hole 8 correspond to, a hydraulic rod 9 is fixedly arranged on the inner wall of the clamping groove 6 corresponding to the position of the front threading hole 8, a clamping ring 7 is arranged at the other end of the hydraulic rod 9, the bottom surface of the clamping ring 7 is in sliding connection with the inner bottom surface of the clamping groove 6, a guide pipe 4 is fixedly connected with one side surface of the rear supporting plate 1 outside the rear threading hole 11, the other end of the guide pipe 4 is abutted against one side surface of the front tensioning plate 5, the guide pipe 4 is arranged in parallel with the jack 2, after the rear supporting plate 1 is installed, the rear supporting plate 1 is fixed on the surface of a steel strand or concrete, can be fixed by adopting bolts or angle codes, is a common fixing mode, is the same as the fixing mode of the traditional hydraulic equipment, does not need to be repeated, the steel strand penetrates through the rear threading hole 11 and passes through the guide pipe 4 to penetrate out from the front threading hole 8, when prestress tensioning is carried out, the hydraulic rod 9, prevent that the steel strand wires from sliding, can carry out the stretch-draw, during the stretch-draw, 2 extensions of jack, stretch-draw finishes the back, make hydraulic stem 9 shorten and can relax the steel strand wires, centre gripping groove 6, the centre gripping of being convenient for and the steel strand wires of opening of setting up of hydraulic stem 9 and grip ring 7, for traditional clamping device, it is more convenient to operate, the ann time of tearing open has been saved, work efficiency is improved, and simultaneously, be connected with pipe 4 between preceding through wires hole 8 and the back through wires hole 11, provide the direction for the steel strand wires, the very big staff's threading of having made things convenient for, steel strand wires installation effectiveness is improved, thereby construction efficiency is improved.

In one embodiment, a stabilizer bar 3 is connected between the rear support plate 1 and the front tension plate 5 on the outer side of the jack 2, the stabilizer bar 3 is composed of an outer rod 13, an inner rod 16, a spring 14 and a ball support 15, the inner rod 16 is inserted into the outer rod 13, one end of the inner rod 16 is connected with one end of the inner part of the outer rod 13 through the spring 14 inside the outer rod 13, the ball support 15 is arranged between the inner wall of the outer rod 13 and the outer wall of the inner rod 16, the ball support 15 is composed of a ball seat 151 and a ball 152, the ball seat 151 is fixed on the inner wall of the outer rod 13, the ball 152 is clamped inside the ball seat 151 and is in rolling connection with the ball seat 151, the ball 152 is in rolling contact with the outer wall of the inner rod 16, the ball support 15 supports the inner rod 16 to prevent the inner rod 16 from shaking when moving, and simultaneously, when the inner rod 16 is extended and retracted, the ball 152 rolls to facilitate the, the phenomenon that the front tensioning plate 5 sinks is prevented, so that the front tensioning plate 5 moves along the direction vertical to the jack 2, and the influence of the gravity of the front tensioning plate 5 on the jack 2 is avoided.

In one embodiment, the ball supports 15 are provided in plural, and the plural ball supports 15 are arranged at equal angles with respect to the circle center of the outer rod 13, and support the inner rod 16 in multiple directions, which is more stable.

In one embodiment, the clamping ring 7 is of an arc structure, so that the contact area with the steel strand is increased, and the outer wall of the clamping ring 7 is of a rough structure, so that the friction force is increased, and the clamping stability is improved.

In one embodiment, the jack 2 is driven by electricity, the hydraulic rod 9 is driven by electricity for convenient operation, and the jack 2 and the hydraulic rod 9 are connected with a control switch in a common control mode, which is not shown in the figure.

In an embodiment, the inside diameter of the clamp groove 12 is larger than the diameter of the clamp, and the diameter of the clamp groove 12 is larger than the diameter of the limiting plate used by matching the clamp, so as to ensure the normal installation of the clamp, and if the clamp is too large, the back support plate 1 can be abutted to the limiting plate of the clamp, which is a common installation structure and is not described herein in detail.

The working principle is as follows:

the device is hoisted to a proper position, a steel strand penetrates through the rear threading hole 11 and penetrates out of the front threading hole 8 through the guide pipe 4, the rear supporting plate 1 is installed, the rear supporting plate 1 is fixed on the surface of the steel strand or concrete, when prestress tensioning is carried out, the hydraulic rod 9 is extended, the hydraulic rod 9 drives the clamping ring 7 to clamp the steel strand, the steel strand is prevented from sliding, tensioning can be carried out, the jack 2 is extended, after the tensioning is finished, the hydraulic rod 9 is shortened, the steel strand can be released, the clamping groove 6, the hydraulic rod 9 and the clamping ring 7 are arranged to facilitate clamping and releasing of the steel strand, compared with the traditional clamping device, the operation is more convenient, the mounting and dismounting time is saved, the working efficiency is improved, meanwhile, the guide pipe 4 is connected between the front threading hole 8 and the rear threading hole 11, the guide is provided for the steel strand, the threading of workers is greatly facilitated, the steel strand installation efficiency is improved, and therefore the construction efficiency is improved.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The construction device for the prestressed concrete in the building engineering is characterized by comprising a rear supporting plate (1) and a front tensioning plate (5), wherein one side surface of the rear supporting plate (1) is connected with the front tensioning plate (5) through a jack (2), the other side surface of the rear supporting plate (1) is provided with a clamp groove (12), the inside of the clamp groove (12) penetrates through the rear supporting plate (1) and is provided with a rear threading hole (11), the other side surface of the front tensioning plate (5) is provided with an equipment groove (10), the inner surface of the equipment groove (10) is provided with a clamping groove (6), the central position of the clamping groove (6) penetrates through the front tensioning plate (5) and is provided with a front threading hole (8) corresponding to the rear threading hole (11), the inner wall of the clamping groove (6) is fixedly provided with a hydraulic rod (9) corresponding to the front threading hole (8), and the other end of the hydraulic rod (9) is provided with a clamping ring (, one side surface of the rear supporting plate (1) is positioned at the outer side of the rear threading hole (11) and is fixedly connected with a guide pipe (4), and the other end of the guide pipe (4) is abutted against one side surface of the front tensioning plate (5).

2. The prestressed concrete construction equipment for constructional engineering according to claim 1, wherein the outer side of the jack (2) between the rear support plate (1) and the front tension plate (5) is connected with a stabilizer bar (3), and the stabilizer bar (3) is composed of an outer rod (13), an inner rod (16), a spring (14) and a ball support (15), and the inner rod (16) is inserted inside the outer rod (13), one end of the inner rod (16) is positioned inside the outer rod (13) and connected with one end inside the outer rod (13) through the spring (14), and the ball support (15) is arranged between the inner wall of the outer rod (13) and the outer wall of the inner rod (16), the ball support (15) is composed of a ball seat (151) and a ball (152), and the ball seat (151) is fixed on the inner wall of the outer rod (13), and the ball (152) is clamped inside the ball seat (151) and connected with the ball seat (151) in a rolling manner, the ball (152) is in rolling contact with the outer wall of the inner rod (16).

3. A constructional engineering prestressed concrete working apparatus as claimed in claim 2, wherein said ball support members (15) are provided in plurality, and the plurality of ball support members (15) are equiangularly arranged with respect to the circle center of the outer rod (13).

4. The constructional engineering prestressed concrete construction device as claimed in claim 1, wherein said clamp ring (7) is of an arc-shaped structure, and the outer wall of the clamp ring (7) is of a rough structure.

5. A constructional engineering prestressed concrete working apparatus as claimed in claim 1, wherein said jack (2) is driven by electric power and said hydraulic rod (9) is driven by electric power.

6. A constructional engineering prestressed concrete working apparatus as claimed in claim 1, wherein said clamp groove (12) is larger in inner diameter than the clamp diameter, and the clamp groove (12) is larger in diameter than the stop plate diameter with which the clamp is used.