CN212801698U

CN212801698U - Pile foundation static load test equipment

Info

Publication number: CN212801698U
Application number: CN202021620910.7U
Authority: CN
Inventors: 李大伟; 刘扬; 张海云; 王岚兰; 李志国; 苗龙; 徐殿富; 姜博
Original assignee: Jilin Province Architectural Science Research And Design Institute (jilin Province Construction Quality Inspection Center)
Current assignee: Jilin Province Architectural Science Research And Design Institute (jilin Province Construction Quality Inspection Center)
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-03-26
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a pile foundation static load test equipment, including ground, the both sides at ground top all are provided with the fixed column, the top fixedly connected with roof of fixed column, the first motor of axis department fixedly connected with at roof top, the bottom fixedly connected with threaded rod of first motor, the bottom threaded connection on threaded rod surface has a screw thread section of thick bamboo, the bottom fixedly connected with casing of screw thread section of thick bamboo. The utility model discloses a first motor of PLC controller control carries out work, first motor drives the threaded rod and rotates, the threaded rod drives a screw thread section of thick bamboo and removes, a screw thread section of thick bamboo drives the casing and removes, the casing drives the stock and removes, make the stock get into inside the ground, after the bottom of casing and the top contact of jack, work through PLC controller control jack, thereby make pressure sensor receive pressure, and observe the pressure value through the display screen, whether can accurate test out meets the requirements.

Description

Pile foundation static load test equipment

Technical Field

The utility model relates to a pile foundation static load test technical field specifically is a pile foundation static load test equipment.

Background

The pile foundation static load test is a technique of applying in the engineering to the pile foundation bearing capacity test, and the pile foundation static load test technique is along with the pile foundation uses more and more extensively and develops in the architectural design, and every kind of foundation design processing standard all lists the single pile static load test into first position, but current pile foundation static load test equipment has the shortcoming of complex operation, and poor stability when the test can exert an influence to the test result.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a pile foundation static load test equipment to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the pile foundation static load testing equipment comprises a ground, wherein fixed columns are arranged on two sides of the top of the ground, a top plate is fixedly connected to the tops of the fixed columns, a first motor is fixedly connected to the middle shaft of the top plate, a threaded rod is fixedly connected to the bottom of the first motor, a threaded cylinder is connected to the bottom of the surface of the threaded rod in a threaded manner, a shell is fixedly connected to the bottom of the threaded cylinder, a second motor is fixedly connected to the middle shaft of the bottom of the inner cavity of the shell, a rotating shaft is fixedly connected to the output end of the second motor, a main belt pulley is sleeved on the bottom of the surface of the rotating shaft and the top of the surface of the rotating shaft, a belt is sleeved on the surface of the main belt pulley, an auxiliary belt pulley is sleeved on the outer side of the inner surface of the belt, an anchor rod is sleeved, the pile foundation body is sleeved at the middle shaft at the top of the ground, a pressure sensor is arranged at the top of the pile foundation body, and a jack is arranged at the top of the pressure sensor.

Preferably, the left side fixedly connected with PLC controller that the casing is positive, the positive top fixedly connected with display screen of PLC controller.

Preferably, the two sides of the top of the inner cavity of the shell and the two sides of the bottom of the inner cavity are fixedly connected with bearings, and the inner cavity of each bearing is movably connected with the anchor rod.

Preferably, the surface of the fixing column is connected with a sliding sleeve in a sliding manner, and the inner side of the sliding sleeve is fixedly connected with the shell.

Preferably, the surface of the jack is provided with a lantern ring, both sides of the top of the lantern ring are fixedly connected with fixing rods, and the top of each fixing rod is fixedly connected with the shell.

(III) advantageous effects

Compared with the prior art, the utility model provides a pile foundation static load test equipment possesses following beneficial effect:

1. the utility model moves the equipment to the working place, places the pressure sensor on the top of the pile foundation body, places the jack on the top of the pressure sensor, then controls the first motor to work through the PLC controller, the first motor drives the threaded rod to rotate, the threaded rod drives the threaded cylinder to move, the threaded cylinder drives the shell to move, the shell drives the anchor rod to move, simultaneously the PLC controller also controls the second motor to work, the second motor drives the rotating shaft to rotate, the rotating shaft drives the main belt pulley to rotate, the main belt pulley drives the belt to rotate, the belt drives the auxiliary belt pulley to rotate, the auxiliary belt pulley drives the anchor rod to rotate, so that the anchor rod enters the ground, after the bottom of the shell is contacted with the top of the jack, the jack is controlled to work through the PLC controller, thereby the pressure sensor is pressed, and observe the pressure value through the display screen, whether can be accurate test out meets the requirements, solved current pile foundation static load test equipment and had the shortcoming of the complex operation, and poor stability when the test, can produce the problem of influence to the test result.

2. The utility model discloses a set up the bearing, stabilized the work of stock, carried out spacingly to the stock, avoided the stock can't carry out work, through setting up the sliding sleeve, stabilized the work of casing, carried out balanced support to the casing, avoided the casing during operation unstable, through setting up the lantern ring and dead lever, spacing has been carried out to the jack, avoided the jack during operation unstable.

Drawings

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

FIG. 2 is a schematic sectional view of the housing of the present invention;

fig. 3 is a schematic view of the local top view structure of the present invention.

In the figure: 1. a ground surface; 2. fixing a column; 3. a top plate; 4. a first motor; 5. a threaded rod; 6. a threaded barrel; 7. a housing; 8. a sliding sleeve; 9. a pile foundation body; 10. a pressure sensor; 11. a jack; 12. a collar; 13. fixing the rod; 14. a second motor; 15. a rotating shaft; 16. a primary pulley; 17. a belt; 18. a secondary pulley; 19. an anchor rod; 20. a PLC controller.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a ground 1, fixed column 2, roof 3, first motor 4, threaded rod 5, a screw thread section of thick bamboo 6, casing 7, sliding sleeve 8, pile foundation body 9, pressure sensor 10, jack 11, lantern ring 12, dead lever 13, second motor 14, pivot 15, main belt pulley 16, belt 17, vice belt pulley 18, stock 19 and PLC controller 20 part are general standard or the part that technical staff in the field knows, its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a pile foundation static load testing device comprises a ground 1, fixed columns 2 are respectively arranged on two sides of the top of the ground 1, a top plate 3 is fixedly connected to the tops of the fixed columns 2, a first motor 4 is fixedly connected to the middle shaft of the top plate 3, a threaded rod 5 is fixedly connected to the bottom of the first motor 4, a threaded cylinder 6 is connected to the bottom of the surface of the threaded rod 5 in a threaded manner, a shell 7 is fixedly connected to the bottom of the threaded cylinder 6, a PLC controller 20 is fixedly connected to the left side of the front side of the shell 7, a display screen is fixedly connected to the top of the front side of the PLC controller 20, a sliding sleeve 8 is slidably connected to the surface of the fixed columns 2, the inner side of the sliding sleeve 8 is fixedly connected to the shell 7, the shell 7 is stabilized by arranging the sliding sleeve 8, the shell 7 is balanced and supported, the shell 7, the output end of the second motor 14 is fixedly connected with a rotating shaft 15, the bottom of the surface of the rotating shaft 15 and the top of the surface are both sleeved with a main belt pulley 16, the surface of the main belt pulley 16 is sleeved with a belt 17, the outer side of the inner surface of the belt 17 is sleeved with an auxiliary belt pulley 18, an inner cavity of the auxiliary belt pulley 18 is sleeved with an anchor rod 19, two sides of the top of the inner cavity of the shell 7 and two sides of the bottom of the inner cavity are both fixedly connected with bearings, the inner cavity of the bearings is movably connected with the anchor rod 19, the work of the anchor rod 19 is stabilized by arranging the bearings, the anchor rod 19 is limited, the phenomenon that the anchor rod 19 cannot work is avoided, the bottom of the anchor rod 19 penetrates through the shell 7 and the ground 1 and extends to the inner cavity of the ground 1, a pile foundation body 9 is sleeved at the middle shaft of the top of the ground 1, the top of, the equal fixedly connected with dead lever 13 in both sides at lantern ring 12 top, the top and the casing 7 fixed connection of dead lever 13 have carried on spacingly to jack 11 through setting up lantern ring 12 and dead lever 13, have avoided jack 11 during operation unstable.

When the device is used, the device is moved to a working place, the pressure sensor 10 is placed on the top of the pile foundation body 9, the jack 11 is placed on the top of the pressure sensor 10, then the PLC 20 controls the first motor 4 to work, the first motor 4 drives the threaded rod 5 to rotate, the threaded rod 5 drives the threaded cylinder 6 to move, the threaded cylinder 6 drives the shell 7 to move, the shell 7 drives the anchor rod 19 to move, meanwhile, the PLC 20 also controls the second motor 14 to work, the second motor 14 drives the rotating shaft 15 to rotate, the rotating shaft 15 drives the main belt pulley 16 to rotate, the main belt pulley 16 drives the belt 17 to rotate, the belt 17 drives the auxiliary belt pulley 18 to rotate, the auxiliary belt pulley 18 drives the anchor rod 19 to rotate, so that the anchor rod 19 enters the ground 1, when the bottom of the shell 7 is contacted with the top of the jack 11, control jack 11 through PLC controller 20 and carry out work to make pressure sensor 10 receive pressure, and observe the pressure value through the display screen, whether can be accurate test meets the requirements, solved current pile foundation static load test equipment and had the shortcoming of the complex operation, and poor stability when the test can produce the problem of influence to the test result.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pile foundation static load test equipment, includes ground (1), its characterized in that: the improved floor is characterized in that fixing columns (2) are arranged on two sides of the top of the ground (1), a top plate (3) is fixedly connected to the tops of the fixing columns (2), a first motor (4) is fixedly connected to a middle shaft of the top plate (3), a threaded rod (5) is fixedly connected to the bottom of the first motor (4), a threaded cylinder (6) is in threaded connection with the bottom of the surface of the threaded cylinder (5), a shell (7) is fixedly connected to the bottom of the threaded cylinder (6), a second motor (14) is fixedly connected to the middle shaft of the bottom of an inner cavity of the shell (7), a rotating shaft (15) is fixedly connected to the output end of the second motor (14), a main belt pulley (16) is sleeved on the bottom of the surface of the rotating shaft (15) and the top of the surface of the rotating shaft, a belt (17) is sleeved on the surface of the main belt pulley, anchor rod (19) have been cup jointed to the inner chamber of vice belt pulley (18), the inner chamber that casing (7) and ground (1) and extend to ground (1) is run through to the bottom of anchor rod (19), pile foundation body (9) have been cup jointed to the axis department at ground (1) top, the top of pile foundation body (9) is provided with pressure sensor (10), the top of pressure sensor (10) is provided with jack (11).

2. The pile foundation static load test equipment of claim 1, wherein: the left side fixedly connected with PLC controller (20) that casing (7) are positive, the positive top fixedly connected with display screen of PLC controller (20).

3. The pile foundation static load test equipment of claim 1, wherein: the two sides of the top of the inner cavity of the shell (7) and the two sides of the bottom of the inner cavity are fixedly connected with bearings, and the inner cavity of each bearing is movably connected with the anchor rod (19).

4. The pile foundation static load test equipment of claim 1, wherein: the surface of the fixing column (2) is connected with a sliding sleeve (8) in a sliding manner, and the inner side of the sliding sleeve (8) is fixedly connected with the shell (7).

5. The pile foundation static load test equipment of claim 1, wherein: the surface of jack (11) is provided with lantern ring (12), the equal fixedly connected with dead lever (13) in both sides at lantern ring (12) top, the top and casing (7) fixed connection of dead lever (13).