CN214334531U

CN214334531U - Civil engineering building bearing capacity experimental apparatus

Info

Publication number: CN214334531U
Application number: CN202120258109.0U
Authority: CN
Inventors: 王春波; 郭彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-10-01
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a civil engineering building bearing capacity experimental device, which comprises a base and a footstock, wherein four corners of the upper end surface of the base are fixedly provided with support columns, the top of each support column is sleeved with the footstock, the upper end surface of the footstock is fixedly provided with a conical operating frame, one side of the conical operating frame is fixedly provided with a support frame, the top of the support frame is fixedly provided with a servo motor, the output end of the servo motor penetrates through the inside of one side of the conical operating frame, the top of the conical operating frame is sleeved with a down-pressing lead screw, the down-pressing lead screw penetrates through the bottom of the footstock extension, the bottom of the down-pressing lead screw is sleeved with a pressure plate, the pressure plate is internally provided with a first pressure sensor, the footstock is internally welded with a support plate, the top of the support plate is sleeved with a bearing, the bearing is sleeved with a polished rod, the polished rod penetrates through the top of the support plate and is sleeved with a second conical gear, the output end of the servo motor is sleeved with a first conical gear, the first bevel gear and the second bevel gear are meshed with each other, and the device is simple and reasonable in structure and novel in design.

Description

Civil engineering building bearing capacity experimental apparatus

Technical Field

The utility model relates to a building bearing capacity technical field specifically is a civil engineering building bearing capacity experimental apparatus.

Background

Building bearing capacity is a physical quantity for measuring capacity, and can be classified according to variation with time into the following categories:

1. permanent action (permanent load or deadweight): in a design reference period, the value of the reference period does not change along with time; or its variation is negligible. Such as self-weight of the structure, soil pressure, pre-stress, concrete shrinkage, foundation settlement, welding deformation and the like.

2. Variable action (variable load or live load): during the design baseline, its value changes with time. Such as installation load, roof and floor live load, snow load, wind load, crane load, dust load, etc.

3. Accidental action (accidental load, special load): it may or may not occur during the design benchmark period, and once it occurs, it is large in value and short in duration. Such as explosive forces, impact forces, avalanches, severe corrosion, earthquakes, typhoons, etc.

The cubic test block is used for determining the compressive strength of concrete, the compressive strength test moulds of the concrete in China all adopt cubic test moulds, and the cubic test moulds and the test blocks of 20 cm are heavy and waste materials, so that the cubic test moulds and the test blocks of 15 cm are generally adopted. The standard curing of the cubic test block is generally carried out in 28 days, which can be carried out three days in advance and can not exceed 28 days, otherwise, the cubic test block is rebounded, the curing is carried out at the temperature of more than 600 degrees under the same condition as the curing in the super-age period, and the cubic test block can be carried out when the concrete is pounded in the same day and the accumulated field temperature reaches 600 degrees. Under the same condition, the number of days cannot be less than 14 days and cannot be more than 90 days, and whether the cube test block reaches the standard or not directly influences the bearing capacity of the building, so that the bearing capacity test device for the civil engineering building is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a civil engineering building bearing capacity experimental apparatus, including base and footstock, the equal fixed mounting in base up end four corners has the support column, the top cover of support column is equipped with the footstock, the up end fixed mounting of footstock has the toper handling frame, toper handling frame one side fixed mounting has the support frame, support frame top fixed mounting has servo motor, servo motor's output runs through the inside that one side of toper handling frame extends, toper handling frame top cover is equipped with and pushes down the lead screw, just it runs through the bottom that the footstock extends to push down the lead screw, the bottom cover that pushes down the lead screw is equipped with the pressure disk, just a pressure sensor is installed to the inside setting of pressure disk.

As a preferred technical scheme of the utility model, footstock internal weld has the backup pad, backup pad top cover is equipped with the bearing, the bearing endotheca is equipped with the polished rod, the polished rod runs through its top cover of backup pad and is equipped with second conical gear, servo motor output cover is equipped with first conical gear, just first conical gear and second conical gear intermeshing.

As an optimal technical scheme of the utility model, the first gear is equipped with to the cover under the lead screw that pushes down is located the backup pad, slidable mounting has spacing clamp under the first gear, just the one end and the footstock top fixed connection of spacing clamp, the cover is equipped with the second gear on the polished rod, just second gear and first gear intermeshing.

As a preferred technical scheme of the utility model, the inside bottom fixed mounting of base has servo pneumatic cylinder, just the outside cover of servo pneumatic cylinder is equipped with the fender bracket, just fender bracket and base bottom fixed connection, servo pneumatic cylinder's output cover is equipped with the pressure measurement steel sheet, just second pressure sensor is installed to the inside setting of pressure measurement steel sheet.

As a preferred technical scheme of the utility model, a plurality of spacing holes have been seted up to base up end on one side of being located the support column, just a plurality of gag lever posts are equipped with to spacing downthehole cover, fixed mounting has toughened glass between two adjacent gag lever posts.

As an optimal technical scheme of the utility model, footstock surface one side fixed mounting has control panel, just control panel passes through wire and servo motor electric connection, just servo motor is controlled by control panel.

As a preferred technical scheme of the utility model, the equal fixed mounting in base bottom four corners has the lower margin, just the equal fixed mounting in bottom of the foot portion has the slipmat.

The utility model has the advantages that:

1. according to the civil engineering building bearing capacity experiment device, the plurality of limiting holes are formed in the upper end face of the base and positioned on one side of the supporting column, the plurality of limiting rods are sleeved in the limiting holes, the toughened glass is fixedly installed between every two adjacent limiting rods, the toughened glass can be designed to prevent broken blocks damaged in the pressure measuring process of a cubic test block from injuring operators, and the safety of the device is improved;

2. the civil engineering building bearing capacity experimental device is characterized in that a supporting plate is welded inside a top seat, a bearing is sleeved on the top of the supporting plate, a polished rod is sleeved in the bearing, the polished rod penetrates through the supporting plate, a second bevel gear is sleeved on the top of the polished rod, a first bevel gear is sleeved on the output end of a servo motor, the first bevel gear and the second bevel gear are meshed with each other, the first gear is sleeved under the downward pressing screw rod positioned on the supporting plate, the limiting clamp is slidably arranged under the first gear, one end of the limiting clamp is fixedly connected with the top of the top seat, a second gear is sleeved on the polish rod, the second gear is meshed with the first gear and is used by matching the first conical gear and the second conical gear, and then can realize that first gear and second gear carry out the meshing operation to realize pushing down the lead screw and carry out operation from top to bottom and carry out the pressure test to the cube test piece.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a perspective view of the civil engineering construction bearing capacity test device of the present invention;

FIG. 2 is a plan view of the civil engineering construction bearing capacity test device of the present invention;

fig. 3 is the utility model relates to a civil engineering building bearing capacity experimental apparatus's A point enlarger.

In the figure: 1. a base; 2. ground feet; 3. a support pillar; 4. a top seat; 5. a control panel; 6. a conical handling frame; 7. pressing down the screw rod; 8. a platen; 9. a support frame; 10. a servo motor; 11. a protection frame; 12. a servo hydraulic cylinder; 13. a pressure measuring steel plate; 14. a first pressure sensor; 15. a first bevel gear; 16. a second bevel gear; 17. a support plate; 18. a polish rod; 19. a bearing; 20. a second gear; 21. a first gear; 22. clamping a hoop; 23. a limiting rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model relates to a civil engineering building bearing capacity experimental apparatus, including base 1 and footstock 4, the equal fixed mounting in base 1 up end four corners has support column 3, the top cover of support column 3 is equipped with footstock 4, the up end fixed mounting of footstock 4 has

toper handling frame

6, 6 one side fixed mounting of toper handling frame has support frame 9, support frame 9 top fixed mounting has servo motor 10, servo motor 10's output runs through the inside that one side of toper handling frame 6 extended, 6 top covers of toper handling frame are equipped with and push down lead screw 7, and push down lead screw 7 runs through the bottom that footstock 4 extended, push down lead screw 7's bottom cover is equipped with pressure disk 8, and pressure disk 8 installs first pressure sensor 14 inside setting.

Wherein, the inside welding of footstock 4 has a backup pad 17, and the cover is equipped with bearing 19 at backup pad 17 top, and smooth rod 18 is equipped with in the cover of bearing 19, and smooth rod 18 runs through backup pad 17 and its top cover is equipped with second conical gear 16, and servo motor 10 output cover is equipped with first conical gear 15, and first conical gear 15 and second conical gear 16 intermeshing.

Wherein, the first gear 21 is sleeved under the lower pressing screw 7 positioned on the support plate 17, the limiting clamp 22 is slidably mounted under the first gear 21, one end of the limiting clamp 22 is fixedly connected with the top of the top seat 4, the polish rod 18 is sleeved with the second gear 20, and the second gear 20 is meshed with the first gear 21.

Wherein, the inside bottom fixed mounting of base 1 has servo pneumatic cylinder 12, and the outside cover of servo pneumatic cylinder 12 is equipped with fender bracket 11, and

fender bracket

11 and 1 bottom fixed connection of base, and servo pneumatic cylinder 12's output cover is equipped with pressure measurement steel sheet 13, and the inside setting of pressure measurement steel sheet 13 installs the second pressure sensor.

Wherein, a plurality of spacing holes have been seted up to base 1 up end on being located support column 3 one side, and spacing downthehole endotheca is equipped with a plurality of gag lever posts 23, and fixed mounting has toughened glass between two adjacent gag lever posts 23.

Wherein, a control panel 5 is fixedly installed on one side of the surface of the top seat 4, the control panel 5 is electrically connected with a servo motor 10 through a wire, and the servo motor 10 is controlled by the control panel 5.

Wherein, the equal fixed mounting in base 1 bottom four corners has lower margin 2, and the equal fixed mounting in lower margin 2 bottom has the slipmat.

The working principle is as follows: the civil engineering building bearing capacity experimental device is characterized in that the integrity of each part is checked before use, a cube test block needing pressure measurement is placed on a pressure measurement steel plate 13 after the integrity is confirmed, a servo motor 10 is started by starting a control panel 5, the servo motor 10 rotates to drive a first bevel gear 15 to rotate, the first bevel gear 15 is meshed with a second bevel gear 16 to further realize rotation of the second bevel gear 16, a polished rod 18 is sleeved at the bottom of the second bevel gear 16, a second gear 20 is sleeved on the polished rod 18, the second gear 20 is meshed with a first gear 21, the first gear 21 is sleeved on a pressing screw 7 and further can drive the pressing screw 7 to operate up and down, a pressure plate 8 is sleeved at the bottom of the pressing screw 7, a first pressure sensor 14 is sleeved in the pressure plate 8, and corresponding data can be obtained through the first pressure sensor 14 to judge whether the cube test block reaches the standard or not, when the cube test block volume is less, can be through starting control panel 5 control base in the middle of servo hydraulic cylinder 12, servo hydraulic cylinder 12 rises and then changes the distance between pressure measurement steel sheet 13 and the pressure disk 8 to the tester of being convenient for more tests, this civil engineering building bearing capacity experimental apparatus novel in design, simple structure are worth extensively promoting.

Claims

1. A civil engineering building bearing capacity experimental device comprises a base (1) and a top seat (4), it is characterized in that four corners of the upper end surface of the base (1) are fixedly provided with supporting columns (3), a top seat (4) is sleeved on the top of the supporting column (3), a conical operating frame (6) is fixedly arranged on the upper end surface of the top seat (4), a supporting frame (9) is fixedly arranged on one side of the conical operating frame (6), a servo motor (10) is fixedly arranged on the top of the supporting frame (9), the output end of the servo motor (10) penetrates through the extending inner part of one side of the conical operating frame (6), the top of the conical operating frame (6) is sleeved with a pressing screw rod (7), the pressing screw (7) penetrates through the extended bottom of the top seat (4), a pressing plate (8) is sleeved at the bottom end of the pressing screw (7), and a first pressure sensor (14) is arranged and installed in the pressure plate (8).

2. The civil engineering building bearing capacity experiment device according to claim 1, wherein a supporting plate (17) is welded inside the top seat (4), a bearing (19) is sleeved on the top of the supporting plate (17), a polished rod (18) is sleeved in the bearing (19), the polished rod (18) penetrates through the supporting plate (17), a second bevel gear (16) is sleeved on the top of the supporting plate (17), a first bevel gear (15) is sleeved at the output end of the servo motor (10), and the first bevel gear (15) and the second bevel gear (16) are meshed with each other.

3. The civil engineering building bearing capacity experiment device of claim 2, wherein the downward-pressing lead screw (7) is positioned under the support plate (17) and sleeved with a first gear (21), a limiting clamp (22) is slidably mounted under the first gear (21), one end of the limiting clamp (22) is fixedly connected with the top of the top seat (4), the polish rod (18) is sleeved with a second gear (20), and the second gear (20) is meshed with the first gear (21).

4. The civil engineering building bearing capacity experimental device according to claim 1, wherein a servo hydraulic cylinder (12) is fixedly installed at the bottom end inside the base (1), a protective frame (11) is sleeved outside the servo hydraulic cylinder (12), the protective frame (11) is fixedly connected with the bottom of the base (1), a pressure measuring steel plate (13) is sleeved at the output end of the servo hydraulic cylinder (12), and a second pressure sensor is installed inside the pressure measuring steel plate (13).

5. The civil engineering construction bearing capacity experiment device according to claim 1, wherein a plurality of limiting holes are formed in the upper end surface of the base (1) and located on one side of the support column (3), a plurality of limiting rods (23) are sleeved in the limiting holes, and toughened glass is fixedly installed between every two adjacent limiting rods (23).

6. The civil engineering construction bearing capacity experiment device according to claim 1, wherein a control panel (5) is fixedly installed on one side of the surface of the top seat (4), the control panel (5) is electrically connected with a servo motor (10) through a lead, and the servo motor (10) is controlled by the control panel (5).

7. The civil engineering building bearing capacity experiment device according to claim 1, wherein four corners of the bottom of the base (1) are fixedly provided with ground feet (2), and the bottoms of the ground feet (2) are fixedly provided with non-slip mats.