CN216646087U

CN216646087U - Steel prestress tensioning equipment for bridge engineering construction

Info

Publication number: CN216646087U
Application number: CN202122864872.0U
Authority: CN
Inventors: 周红云
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-05-31
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses steel prestress tensioning equipment for bridge engineering construction, and particularly relates to the technical field of bridge engineering construction. The second threaded rod is driven to rotate through the work of the motor, so that the extrusion plate is driven to move downwards, the motor reversely rotates to drive the extrusion plate to move upwards in the same way, the extrusion plate stretches the steel, when the motor reversely rotates to drive the extrusion plate to move upwards, the second spring is driven to compress, the second spring is matched with the extrusion plate to work, so that the pressure in the stretching process is reduced, the structure is simple, the pressure of steel rebounding is effectively reduced, and the service life of the whole machine is long.

Description

Steel prestress tensioning equipment for bridge engineering construction

Technical Field

The utility model relates to the technical field of bridge engineering construction, in particular to steel prestress tensioning equipment for bridge engineering construction.

Background

The bridge construction refers to a process of building a bridge according to design contents, and mainly includes bridge construction technology, construction organization, construction management, construction quality and the like. The steel needs to be subjected to a prestress tension test in the bridge engineering construction process.

The existing prestress tensioning equipment is mostly used by matching a jack with an electric oil pump for tensioning, in the tensioning process, the oil pressure of the electric oil pump is high, the tensioning force is large, the pressure between the electric oil pump and steel is large, and when the electric oil pump recovers to the original position, the electric oil pump is easily damaged by the rebounding pressure of the steel, so that the service life of the whole machine is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide steel prestress tensioning equipment for bridge engineering construction, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a steel prestress tensioning device for bridge engineering construction comprises a storage box, wherein through grooves are formed in two sides of the storage box, a motor is arranged at the top of the storage box and fixedly connected with the storage box, a second threaded rod is arranged in the storage box, the top end of the second threaded rod penetrates through the storage box and is coaxially connected with a motor output shaft in a transmission manner, a threaded sleeve is movably sleeved on the outer peripheral surface of the second threaded rod, an extrusion plate is arranged at the bottom of the threaded sleeve, and the extrusion plate is fixedly connected with the threaded sleeve;

the thread bush both sides all are equipped with the slide bar, two the slide bar top all with the inside top fixed connection of storage tank, two the equal movable sleeve of slide bar outer peripheral face is equipped with the second spring, two the second spring top all with the inside top fixed connection of storage tank, two second spring bottom all is equipped with the slider, two the slider is movable sleeve respectively and is established at two slide bar outer peripheral faces, two be equipped with two connecting plates, two between the slider the connecting plate both ends respectively with thread bush and two slider fixed connection.

In a preferred embodiment, two frames are arranged on the opposite sides of the through grooves, and are fixedly connected with the storage box.

In a preferred embodiment, the top of each of the two frames is provided with a first threaded rod, the bottom ends of the two first threaded rods extend into the two frames respectively, and the two first threaded rods are in threaded connection with the two frames respectively.

In a preferred embodiment, the bottom of each of the two first threaded rods is provided with a fixing plate, the two fixing plates are respectively and fixedly connected with the two first threaded rods, and the two fixing plates are respectively located on the opposite sides of the two through grooves.

In a preferred embodiment, two first springs are arranged inside each of the two frames, and the bottom ends of the four first springs are fixedly connected with the bottom ends inside the two frames respectively.

In a preferred embodiment, two object placing plates are arranged inside the frame, and the top ends of the four first springs are fixedly connected with the bottom ends of the two object placing plates respectively.

In a preferred embodiment, a handle is arranged at the top of the storage box, and the storage box is fixedly connected with the handle.

In a preferred embodiment, a viewing window is fixedly installed at the front side of the storage box.

The utility model has the technical effects and advantages that:

1. the second threaded rod is driven to rotate through the work of the motor, so that the extrusion plate is driven to move downwards, the motor reversely rotates to drive the extrusion plate to move upwards in the same way, the extrusion plate stretches steel, when the motor reversely rotates to drive the extrusion plate to move upwards, the second spring is driven to compress, the second spring is matched with the extrusion plate to work, so that the pressure in the stretching process is reduced, the structure is simple, the pressure of steel rebounding is effectively reduced, the service life of the whole body is long, and meanwhile, the threaded sleeve drives the sliding block to move on the sliding rod, so that the stability of the threaded sleeve is improved;

2. according to the utility model, the first threaded rod is rotated, and is in threaded connection with the frame, and is fixedly connected with the fixed plate, so that the first threaded rod drives the fixed plate to move downwards, the fixed plate fixes steel, meanwhile, the steel drives the object placing plate to move downwards, and as the object placing plate is fixedly connected with the first spring, the object placing plate drives the first spring to compress, when the first threaded rod is reversed to release the fixation on the steel, the first spring further absorbs the pressure generated by tensioning, thereby effectively preventing the steel from bouncing to accidentally injure workers.

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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a perspective view of the overall structure of the present invention;

FIG. 3 is a perspective cross-sectional view of the storage case of the present invention;

FIG. 4 is a perspective view of the frame and shelf of the present invention;

in the figure: 1. a storage box; 2. a handle; 3. a motor; 4. a first threaded rod; 5. a frame; 6. an observation window; 7. a fixing plate; 8. a storage plate; 9. a first spring; 10. a second threaded rod; 11. a second spring; 12. a slide bar; 13. a connecting plate; 14. a pressing plate; 15. a threaded sleeve; 16. a slide block.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Referring to the attached drawings 1-4 of the specification, the steel prestress tensioning equipment for bridge engineering construction comprises a storage box 1, through grooves are formed in two sides of the storage box 1, steel is inserted into the storage box 1 through the two through grooves, a motor 3 is arranged at the top of the storage box 1, the motor 3 drives a second threaded rod 10 to rotate when working, the motor 3 is fixedly connected with the storage box 1, a second threaded rod 10 is arranged inside the storage box 1, the second threaded rod 10 drives a threaded sleeve 15 to vertically move, the top end of the second threaded rod 10 penetrates through the storage box 1 and is in coaxial transmission connection with an output shaft of the motor 3, a threaded sleeve 15 is movably sleeved on the outer peripheral surface of the second threaded rod 10, the threaded sleeve 15 drives an extrusion plate 14 to vertically move, an extrusion plate 14 is arranged at the bottom of the threaded sleeve 15, the extrusion plate 14 is fixedly connected with the threaded sleeve 15, and the extrusion plate 14 tensions the steel;

threaded sleeve 15 both sides all are equipped with slide bar 12, make things convenient for slider 16 to slide, two slide bar 12 tops all with 1 inside top fixed connection of storage tank, two slide bar 12 outer peripheral face all movable sleeve are equipped with second spring 11, work through second spring 11 cooperation stripper plate 14, thereby reduce the pressure in the stretch-draw process, two second spring 11 tops all with 1 inside top fixed connection of storage tank, two second spring 11 bottoms all are equipped with slider 16, slider 16 drives second spring 11 compression, two slider 16 movable sleeve respectively are established at two slide bar 12 outer peripheral faces, be equipped with two connecting plates 13 between two sliders 16, connecting plate 13 drives slider 16 and moves on slide bar 12, two connecting plates 13 both ends respectively with threaded sleeve 15 and two slider 16 fixed connection.

Referring to the specification attached

drawings

1, 2 and 4, one side that two lead to the groove back of the body all is equipped with frame 5, two frames 5 all with 1 fixed connection of storage tank, refer to specification attached

drawings

1, 2 and 4, two frame 5 tops all are equipped with first threaded rod 4, first threaded rod 4 drives fixed plate 7 downstream, two 4 bottoms of first threaded rod extend into respectively in two frames 5, and two first threaded rod 4 respectively with two 5 threaded connection of frame, refer to specification attached drawings 2 and 4, two 4 bottoms of first threaded rod all are equipped with fixed plate 7, fixed plate 7 is fixed steel, two fixed plate 7 respectively with two 4 fixed connection of first threaded rod, and two fixed plate 7 are located two one side that lead to the groove back of the body respectively.

Referring to the description attached drawings 2 and 4, two inside first springs 9 that all are equipped with of frame 5, first spring 9 further absorbs the pressure that the stretch-draw produced, effectively prevent that steel from upspring accidental injury staff, four first spring 9 bottoms respectively with the inside bottom fixed connection of two frames 5, refer to description attached drawings 2 and 4, frame 5 is inside to be equipped with two and to put thing board 8, it drives the compression of first spring 9 to put thing board 8, four first spring 9 tops respectively with two put thing board 8 bottom fixed connection.

Referring to the attached drawings 1-3 of the specification, the top of the storage box 1 is provided with a handle 2, the storage box 1 is convenient to carry, the storage box 1 is fixedly connected with the handle 2, and referring to the attached drawings 1-2 of the specification, an observation window 6 is fixedly arranged on the front side of the storage box 1, and the tension degree of steel materials is convenient to observe.

The using method of the embodiment comprises the following steps: the worker inserts steel into the storage box 1 through the two through grooves, the motor 3 is fixedly connected with the storage box 1, the top end of the second threaded rod 10 is coaxially connected with an output shaft of the motor 3 in a transmission way, the motor 3 drives the second threaded rod 10 to rotate, the threaded sleeve 15 is movably sleeved on the outer circumferential surface of the second threaded rod 10, the sliding rod 12, the connecting plate 13 and the sliding block 16 are matched to limit the rotation of the threaded sleeve 15, the second threaded rod 10 drives the threaded sleeve 15 to move downwards, the threaded sleeve 15 drives the extrusion plate 14 to move downwards due to the fixed connection of the threaded sleeve 15 and the extrusion plate 14, the motor 3 rotates reversely to drive the extrusion plate 14 to move upwards, the extrusion plate 14 stretches the steel, when the motor 3 rotates reversely to drive the extrusion plate 14 to move upwards, the threaded sleeve 15 is fixedly connected with the connecting plate 13, the threaded sleeve 15 drives the connecting plate 13 to move upwards, and the sliding block 16 is fixedly connected with the connecting plate 13, therefore, the connecting plate 13 drives the sliding block 16 to move on the sliding rod 12 so as to drive the second spring 11 to compress, the second spring 11 is matched with the extrusion plate 14 to work, so that the pressure in the tensioning process is reduced, the structure is simple, the pressure of steel rebound is effectively reduced, the service life of the whole body is long, meanwhile, the threaded sleeve 15 drives the sliding block 16 to move on the sliding rod 12, and the stability of the threaded sleeve 15 is improved;

steel inserts storage tank 1 through two logical grooves, and two fixed plates 7 are located the steel top, then rotate first threaded rod 4, because first threaded rod 4 and 5 threaded connection of frame, first threaded rod 4 and 7 fixed connection of fixed plate, so first threaded rod 4 drives 7 downshifts of fixed plate, fixed plate 7 is fixed to steel, 8 downshifts of thing board are put in the steel drive simultaneously, owing to put thing board 8 and first spring 9 fixed connection, so put thing board 8 and drive first spring 9 compression, when first threaded rod 4 of reversal removes the fixed time to steel, the pressure that stretch-draw produced is further absorbed to first spring 9, effectively prevent steel bounce accidental injury staff, and is simple in operation, the security performance is high, through setting up handle 2, conveniently carry storage tank 1, through setting up observation window 6, conveniently observe the stretch-draw degree of steel.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a bridge engineering construction is with steel prestressing force stretch-draw equipment, includes storage tank (1), its characterized in that: through grooves are formed in two sides of the storage box (1), a motor (3) is arranged at the top of the storage box (1), the motor (3) is fixedly connected with the storage box (1), a second threaded rod (10) is arranged inside the storage box (1), the top end of the second threaded rod (10) penetrates through the storage box (1) and is coaxially connected with an output shaft of the motor (3) in a transmission manner, a threaded sleeve (15) is movably sleeved on the outer peripheral surface of the second threaded rod (10), a squeezing plate (14) is arranged at the bottom of the threaded sleeve (15), and the squeezing plate (14) is fixedly connected with the threaded sleeve (15);

thread bush (15) both sides all are equipped with slide bar (12), two slide bar (12) top all with storage tank (1) inside top fixed connection, two slide bar (12) outer peripheral face all moves about the cover and is equipped with second spring (11), two second spring (11) top all with storage tank (1) inside top fixed connection, two second spring (11) bottom all is equipped with slider (16), two slider (16) movable sleeve is established at two slide bar (12) outer peripheral faces respectively, two be equipped with two connecting plate (13), two between slider (16) connecting plate (13) both ends respectively with thread bush (15) and two slider (16) fixed connection.

2. The steel prestress tensioning device for bridge engineering construction according to claim 1, characterized in that: two lead to groove one side of carrying on the back mutually all to be equipped with frame (5), two frame (5) all with storage tank (1) fixed connection.

3. The steel prestress tensioning device for bridge engineering construction according to claim 2, characterized in that: two frame (5) top all is equipped with first threaded rod (4), two first threaded rod (4) bottom extends into two frames (5) respectively in, and two first threaded rod (4) respectively with two frame (5) threaded connection.

4. The steel prestress tensioning device for bridge engineering construction according to claim 3, wherein: two first threaded rod (4) bottom all is equipped with fixed plate (7), two fixed plate (7) respectively with two first threaded rod (4) fixed connection, and two fixed plate (7) are located two one sides that lead to the groove mutually back on the back respectively.

5. The steel prestress tensioning device for bridge engineering construction according to claim 2, characterized in that: two frame (5) inside all is equipped with two first spring (9), four first spring (9) bottom respectively with the inside bottom fixed connection of two frames (5).

6. The steel prestress tensioning device for bridge engineering construction according to claim 5, characterized in that: frame (5) inside is equipped with two and puts thing board (8), four first spring (9) top is respectively with two and put thing board (8) bottom fixed connection.

7. The steel prestress tensioning device for bridge engineering construction according to claim 1, characterized in that: the storage box is characterized in that a handle (2) is arranged at the top of the storage box (1), and the storage box (1) is fixedly connected with the handle (2).

8. The steel prestress tensioning device for bridge engineering construction according to claim 1, characterized in that: an observation window (6) is fixedly arranged on the front side of the storage box (1).