CN210375958U

CN210375958U - Concrete prestressing force detection device for construction

Info

Publication number: CN210375958U
Application number: CN201920903183.6U
Authority: CN
Inventors: 孙荣; 周鑫; 王怀柱; 黄亚明
Original assignee: Jiangsu Hengjian Construction Group Co ltd
Current assignee: Jiangsu Hengjian Construction Group Co ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-04-21
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a concrete prestressing force detection device for construction, including bottom plate, registration arm, motor, power adapter, display screen and pressure sensor, the bottom plate vertical fixation has the stand, and stand tip fixedly connected with roof, the registration arm passes through the bearing frame and installs on the roof, and the inner wall and the guide bar interconnect of registration arm, motor fixed mounting is in the intermediate position department of roof, and the output outer wall of motor passes through gear and registration arm interconnect, the mid-mounting of bottom plate has the seat of accepting, and accepts the avris of seat on the bottom plate and be fixed with the locating lever, pressure sensor passes through singlechip and display screen interconnect, and the line is located inside the stand is walked in the connection of singlechip and display screen. This concrete prestressing force detection device for construction, simple structure makes things convenient for the removal transport of job site and prestressing force compressive strength's detection, can demonstrate prestressing force compressive strength numerical value more directly perceived simultaneously.

Description

Concrete prestressing force detection device for construction

Technical Field

The utility model relates to a construction technical field specifically is a concrete prestressing force detection device for construction.

Background

During construction operation, in order to ensure that the prestress and tensile strength of concrete meets the use requirement and avoid potential safety hazards of construction and building construction strength caused by unqualified concrete application, mass concrete needs to be randomly extracted, concrete blocks are formed into independent cubic bodies with the side length of fifteen centimeters, and the prestress and compressive strength of the concrete is detected.

However, the existing concrete prestress detection device has the following problems:

1. the device has the advantages of complex integral structure, heavy volume and inconvenient carrying, transportation and operation, and is inconvenient to move and take in a complex environment of a construction site, so that the concrete has serious use defects during the field detection of the prestress pressure;

2. when the prestress pressure of concrete is detected, the maximum strength of the prestress pressure is not expressed visually enough, and more visual detection data cannot be reflected.

Aiming at the problems, innovative design is urgently needed on the basis of the original concrete prestress detection device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete prestressing force detection device for construction to solve above-mentioned background art and carry the concrete prestressing force detection device structure that appears complicated, bulky, in the complex environment of job site, remove and take inconvenience and have the use defect, can not audio-visually obvious carry out prestressing force compressive strength's data reflection problem.

In order to achieve the above object, the utility model provides a following technical scheme: a concrete prestress detection device for building construction comprises a base plate, a positioning pipe, a motor, a power adapter, a display screen and a pressure sensor, wherein the base plate is vertically fixed with a stand column, the end part of the stand column is fixedly connected with a top plate, the outer side of the stand column is provided with a bearing plate, a bearing block is fixed at the center of the bottom of the bearing plate, the upper end face of the bearing plate is vertically connected with a guide rod, the positioning pipe is installed on the top plate through a bearing seat, the inner wall of the positioning pipe is connected with the guide rod, the motor is fixedly installed at the middle position of the top plate, the outer wall of the output end of the motor is connected with the positioning pipe through a gear, a pull ring is fixed at the side of the motor on the top plate, the top edge of the top plate is provided with the power adapter and the display screen, a bearing seat is installed in the middle, and be connected with the elastic component between the bottom of accepting the seat and the bottom plate, install pressure sensor under accepting the seat on the bottom plate in addition, pressure sensor passes through singlechip and display screen interconnect, and the line is walked inside the stand to the connection of singlechip and display screen.

Preferably, the upright columns are distributed on the bottom plate in a regular triangle shape, the upright columns are connected with the bearing plate in a penetrating sliding mode, and the bearing plate, the top plate and the bottom plate are arranged in parallel.

Preferably, the guide rods are symmetrically arranged about the vertical central axis of the pressure bearing plate, the outer walls of the guide rods are in threaded connection with the inner wall of the positioning pipe, and the length of each guide rod is equal to the distance between the lower end of the positioning pipe and the bottom plate.

Preferably, the bearing seat and the bottom plate form a relative lifting structure, the cross sections of the bearing seat and the pressure bearing block are the same, and the pressure bearing block and the bearing seat are vertically and coaxially arranged.

Preferably, the elastic pieces are uniformly distributed on the bottom plate at equal angles, and the joint of the bottom plate and the lower end of the elastic piece is of an inward concave structure.

Compared with the prior art, the beneficial effects of the utility model are that: the concrete prestress detection device for building construction is simple in structure, convenient for moving and carrying on a construction site and detecting the prestress compression strength, and capable of displaying the prestress compression strength value more intuitively;

1. the positioning pipe is rotated under the meshing transmission action of the gears only through the rotation of the electric gear of the motor, the guide rod and the bearing plate are lifted and lowered due to the threaded connection structure of the positioning pipe and the guide rod, the prestress and compression strength of the concrete is detected through the change of the distance between the bearing block and the bearing seat on the bearing plate, and the operation is convenient and rapid;

2. under pressure sensor's the effect that sets up, receive external force at the concrete test block and pressurize, its pressure strength numerical value that receives directly demonstrates at the display screen, makes things convenient for artificial watching prestressing force compressive strength numerical value, and the use and the prestressing force that make things convenient for the device detect work and go on.

Drawings

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

FIG. 2 is a schematic view of the mounting structure of the socket of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is the mounting structure diagram of the pressure-bearing plate of the present invention.

In the figure: 1. a base plate; 2. a column; 3. a top plate; 4. a pressure bearing plate; 5. a pressure-bearing block; 6. a guide bar; 7. a positioning tube; 8. a bearing seat; 9. a motor; 10. a gear; 11. a pull ring; 12. a power adapter; 13. a display screen; 14. a bearing seat; 15. positioning a rod; 16. an elastic member; 17. a pressure sensor; 18. and a single chip microcomputer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a concrete prestress detection device for building construction comprises a bottom plate 1, an upright post 2, a top plate 3, a bearing plate 4, a bearing block 5, a guide rod 6, a positioning pipe 7, a bearing seat 8, a motor 9, a gear 10, a pull ring 11, a power adapter 12, a display screen 13, a bearing seat 14, a positioning rod 15, an elastic part 16, a pressure sensor 17 and a single chip microcomputer 18, wherein the upright post 2 is vertically fixed on the bottom plate 1, the end part of the upright post 2 is fixedly connected with the top plate 3, the bearing plate 4 is arranged on the outer side of the upright post 2, the bearing block 5 is fixed at the center of the bottom of the bearing plate 4, the guide rod 6 is vertically connected with the upper end face of the bearing plate 4, the positioning pipe 7 is installed on the top plate 3 through the bearing seat 8, the inner wall of the positioning pipe 7 is mutually connected with the guide rod 6, the motor 9 is fixedly installed at the middle position of the top plate 3, and, and the avris of motor 9 is fixed with pull ring 11 on roof 3, and the top edge of roof 3 installs power adapter 12 and display screen 13, the mid-mounting of bottom plate 1 has the seat 14 of accepting, and the avris of accepting seat 14 on bottom plate 1 is fixed with locating lever 15, and it is connected with elastic component 16 to accept between the bottom of seat 14 and the bottom plate 1, and install pressure sensor 17 under the seat 14 on the bottom plate 1, pressure sensor 17 passes through singlechip 18 and display screen 13 interconnect, and the line is walked inside stand 2 with being connected of display screen 13 to singlechip 18.

Upright 2 is regular triangle distribution on bottom plate 1, and upright 2 and bearing plate 4 are the sliding connection who runs through to bearing plate 4 and roof 3 and bottom plate 1 three between parallel arrangement each other, make things convenient for bearing plate 4's setting to change, carry out the prestressing force pressure of concrete and exert.

The guide rod 6 is symmetrically arranged about the vertical central axis of the bearing plate 4, the outer wall of the guide rod 6 and the inner wall of the positioning pipe 7 are in threaded connection, the length of the guide rod 6 is equal to the distance between the lower end of the positioning pipe 7 and the bottom plate 1, the guide rod 6 is arranged, the height of the bearing plate 4 is changed more quickly and smoothly, and the operation is convenient and fast.

The bearing seat 14 and the bottom plate 1 form a relative lifting structure, the cross sections of the bearing seat 14 and the bearing block 5 are the same, the bearing block 5 and the bearing seat 14 are vertically and coaxially arranged, and the bearing seat 14 and the bearing block 5 are correspondingly arranged, so that the compression of the concrete pressure test block is more uniform and complete, and the local stress is avoided.

Elastic component 16 equidistance evenly distributed on bottom plate 1, and the lower extreme junction of bottom plate 1 and elastic component 16 sets up to concave column structure, accomodates elastic expansion's elastic component 16, avoids it to accomodate the damage.

The working principle is as follows: when the concrete prestress detection device for building construction is used, firstly, according to the figure 1-2, in a concrete prestress compression strength detection mode, a cube test block with the specification of 15cm is placed on the bearing seat 14 on the bottom plate 1 to act, the test block placed on the bearing seat 14 is preliminarily limited through the space between the positioning rods 15, so that the test block is aligned with the bearing block 5 in the vertical direction when being pressed, the pressing deviation between the bearing block 5 and the bearing seat 14 cannot occur, the positioning pipe 7 and the top plate 3 do relative rotation motion in the bearing seat 8 through the transmission of the gear 10 on the motor 9 through the working starting of the motor 9, the guide rod 6 drives the bearing plate 4 to do lifting motion on the upright post 2 under the action of the thread rotation motion of the positioning pipe 7 and the guide rod 6, the space between the bearing block 5 and the bearing seat 14 is changed, and the test block on the bearing seat 14 is pressed along with the bearing block 5, under the action of external force, the elastic piece 16 deforms, so that the bearing seat 14 and the bottom plate 1 move telescopically;

according to fig. 1-4, when the bearing seat 14 and the bottom plate 1 move relative to each other in a telescopic manner, as shown in fig. 2, the bearing seat 14 extrudes the pressure sensor 17 right below the bearing seat, the pressure sensor 17 with the type of CYYZ11 generates an electric signal by pressure induction in the vertical direction, the electric signal is converted into a data signal under the action of the single chip microcomputer 18 and displayed on the display screen 13, so that the human viewing of the numerical value of the compressive strength is facilitated, as shown in fig. 3, the power adapter 12 enters external electric energy to provide sufficient voltage and current for the motor 9, the pressure sensor 17, the single chip microcomputer 18 and the display screen 13.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a concrete prestressing force detection device for construction, includes bottom plate (1), registration arm (7), motor (9), power adapter (12), display screen (13) and pressure sensor (17), its characterized in that: the base plate (1) is vertically fixed with an upright post (2), the end part of the upright post (2) is fixedly connected with a top plate (3), a bearing plate (4) is arranged on the outer side of the upright post (2), a bearing block (5) is fixed at the center of the bottom of the bearing plate (4), a guide rod (6) is vertically connected with the upper end face of the bearing plate (4), a positioning pipe (7) is installed on the top plate (3) through a bearing seat (8), the inner wall of the positioning pipe (7) is connected with the guide rod (6) mutually, a motor (9) is fixedly installed at the middle position of the top plate (3), the outer wall of the output end of the motor (9) is connected with the positioning pipe (7) through a gear (10), a pull ring (11) is fixed on the side of the motor (9) on the top plate (3), and a power adapter (12) and a display screen (13) are installed at the edge of the, the utility model discloses a pressure sensor, including bottom plate (1), bottom plate (1) and bottom plate (1), the mid-mounting of bottom plate (1) has a seat (14), and the avris of bearing seat (14) on bottom plate (1) is fixed with locating lever (15) to be connected with elastic component (16) between the bottom of bearing seat (14) and bottom plate (1), install pressure sensor (17) under bearing seat (14) on bottom plate (1) moreover, pressure sensor (17) are through singlechip (18) and display screen (13) interconnect, and the connection of singlechip (18) and display screen (13) is walked the line and is located inside stand (2).

2. The concrete prestress detection device for building construction according to claim 1, characterized in that: the upright post (2) is distributed in a regular triangle on the bottom plate (1), the upright post (2) and the bearing plate (4) are connected in a sliding mode and penetrate through the bearing plate (4), and the bearing plate (4), the top plate (3) and the bottom plate (1) are arranged in parallel.

3. The concrete prestress detection device for building construction according to claim 1, characterized in that: the guide rod (6) is symmetrically arranged about the vertical central axis of the pressure bearing plate (4), the outer wall of the guide rod (6) is in threaded connection with the inner wall of the positioning pipe (7), and the length of the guide rod (6) is equal to the distance between the lower end of the positioning pipe (7) and the bottom plate (1).

4. The concrete prestress detection device for building construction according to claim 1, characterized in that: the bearing seat (14) and the bottom plate (1) form a relative lifting structure, the cross sections of the bearing seat (14) and the bearing block (5) are the same, and the bearing block (5) and the bearing seat (14) are vertically and coaxially arranged.

5. The concrete prestress detection device for building construction according to claim 1, characterized in that: the elastic pieces (16) are uniformly distributed on the bottom plate (1) at equal angles, and the connection part of the lower ends of the bottom plate (1) and the elastic pieces (16) is of an inward concave structure.