CN114457860B

CN114457860B - Control collapsible loess foundation differential settlement with strickleing device

Info

Publication number: CN114457860B
Application number: CN202210186430.1A
Authority: CN
Inventors: 贺瑞霞; 郝延周; 贾明钊; 张硕; 龙哲; 王金龙; 王耀萱; 赵文献
Original assignee: Henan University of Urban Construction
Current assignee: Henan University of Urban Construction
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2023-03-10
Anticipated expiration: 2042-02-28
Also published as: ZA202212052B; CN114457860A

Abstract

The invention provides a strickle device for controlling differential settlement of a collapsible loess foundation, which comprises a square frame, end angle plates, a bracket and strickles, wherein support legs are respectively arranged at four corners of the bottom surface of the square frame; the top surface of the support is fixed with the adjusting cylinder, the telescopic shaft of the adjusting cylinder penetrates through the top plate of the support, the bottom end of the telescopic shaft of the adjusting cylinder is fixed with the first motor, the bottom end of the rotating shaft of the first motor is fixed with the connecting shaft, and the scraping plate is clamped at any inner side of the square frame.

Description

Control collapsible loess foundation differential settlement with strickleing device

Technical Field

The invention belongs to the technical field of foundation strickling devices, and particularly relates to a strickling device for controlling uneven settlement of a collapsible loess foundation.

Background

The property of loess that after being soaked in water under a certain pressure, the structure is rapidly destroyed to generate significant additional settlement, which is called collapsibility. It is an engineered geological property unique to loess. The most fundamental causes of loess collapsible are: the loess has special components and structures which are obviously connected with water and weaken the structure and tend to be compact and are beneficial to collapse, the collapsibility of the loess is divided into two types of self-weight collapse and non-self-weight collapse, the former is the phenomenon that the loess generates collapse under the self-weight action after meeting water; the latter refers to the additional settlement of loess under the action of additional load.

With the continuous promotion of infrastructure construction in China, new higher requirements are put forward on loess foundations, roadbed and the like. Loess, a special soil, has a unique composition structure and structure which determine its unique physical and mechanical properties, and its collapsibility is one of the important contents of the research on loess. The collapse deformation of the loess building foundation causes frequent accidents such as cracking and uneven settlement of an upper building structure, the collapse damage of the loess subgrade seriously affects the development of transportation, and the obstruction and loss are caused to the national infrastructure construction and the economic development, so that the experimental study of the collapsibility of the loess is required according to actual conditions.

In the research process, need strickle the operation to the ground on loess, but current mostly relies on the manpower to strickle off, and is inefficient, and the roughness is relatively poor after strickleing off moreover, and the high efficiency that influences the research goes on.

Disclosure of Invention

The present invention is directed to a strike-off device for controlling uneven settlement of collapsible loess foundation, which solves the above problems of the prior art.

In order to solve the technical problems, the invention adopts the technical scheme that: a strickle device for controlling differential settlement of a collapsible loess foundation comprises a square frame, end angle plates, a bracket and strickle plates, wherein the square frame is specifically a square frame, supporting legs are respectively arranged at four corners of the bottom surface of the square frame, the top surface of the square frame is respectively fixed with the end angle plates at the four corners, and the bracket is fixed on the end angle plates;

an adjusting cylinder is fixed on the top surface of the support, a telescopic shaft of the adjusting cylinder penetrates through a top plate of the support, a first motor is fixed at the bottom end of the telescopic shaft of the adjusting cylinder, a connecting shaft is fixed at the bottom end of a rotating shaft of the first motor, and two clamping blocks are movably connected to the connecting shaft;

the scraping plate is clamped at any inner side of the square frame, connecting sleeves are respectively fixed at two side ends of a long shaft of the scraping plate, and the connecting shafts and the connecting sleeves are mutually matched for use.

Furthermore, a set of clamping blocks is fixed on each inner side wall of the square frame, each clamping block is provided with two clamping holes, and the two clamping holes are formed in the scraper plate and matched with the clamping blocks for use.

Furthermore, a cavity is formed in the bottom side of the scraping plate, chain wheels are rotatably connected to two sides of the cavity respectively, chain rings are meshed and connected to the outer sides of the two chain wheels, and a plurality of groups of hair scrapers are uniformly fixed to the outer sides of the chain rings in a sticking mode.

Furthermore, a second motor is fixed on the scraping plate, the second motor is in transmission connection with a chain wheel close to the second motor, and the second motor rotates to drive the chain wheel to rotate, so that the second motor can drive the hair scraping to move under the rotation of the chain ring to carry out dynamic scraping operation.

Furthermore, the end angle plate is specifically a triangular plate, and connecting plates are respectively fixed on two sides of the end angle plate close to the side end of the square frame, and the connecting plates are fixed on the square frame.

Furthermore, a level is arranged on the connecting plate.

Furthermore, a limiting sleeve is fixed on the outer side of the first motor close to the top end, a limiting hole is formed in one side of the limiting sleeve, a vertical limiting rod is fixed between the support and the end corner plate, and the limiting rod is movably connected with the limiting sleeve through the limiting hole.

Furthermore, the support is an L-shaped frame plate, and straight lines where the axial leads of the adjusting cylinder, the first motor and the connecting shaft are located coincide with each other.

Furthermore, a cross-shaped reinforcing frame is fixed among the four end angle plates, and a positioning plate is fixed in the middle of the reinforcing frame.

Furthermore, a positioning through hole is formed in the middle of the positioning plate, and a straight line where the center line of the positioning through hole is located penetrates through the center of the square where the square frame is located.

Compared with the prior art, the invention has the following advantages:

the invention is characterized in that end angle plates are arranged at four end corners of a square frame, a bracket is arranged on the end angle plates, an adjusting cylinder and a motor are arranged on the bracket, and the square frame is also connected with a scraping plate, so that when in use, the square frame is firstly placed on a foundation with the scraping function, the placing position of the square frame is positioned by taking a positioning through hole of a positioning plate as a base point, then four support legs are adjusted according to the indication of a leveling ruler to adjust the square frame to the horizontal direction, then a telescopic shaft of the adjusting cylinder on the end angle plate at one end corner is descended to drive a first motor to descend, when a connecting shaft is clamped in a connecting sleeve of the scraping plate, the adjusting cylinder is stopped to descend, and simultaneously an electric push rod is started to clamp a clamping block in the connecting sleeve to complete the clamping function between the connecting sleeve and the connecting sleeve, then the first motor is started, make first motor rotate clockwise, thereby can drive the bottom side that the scraping plate breaks away from square frame, carry out the rotation of quarter circle, when the scraping plate supports in the inboard department of square frame, joint hole joint on the square frame is on the joint piece of square frame, accomplish once more and scrape being connected between flat plate and the square frame, accomplish scraping of quarter circle in the square frame simultaneously, then open chucking piece, make the telescopic shaft lifting of adjustment cylinder, accomplish breaking away from of connecting axle and adapter sleeve, then use the end scute in the upper right corner as the basis, repeatedly carry out above-mentioned operation, strickle off until accomplishing the ground, when strickleing off the operation, start the second motor in step, make the second motor rotate and drive the multiunit that scrapes the flat plate bottom side and scrape the hair and can rotate, thereby can assist and carry out the developments and strickle off the operation, and simple and practical, can accomplish the ground of efficient and strickle off the operation.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the strike-off plate and the square frame according to the present invention;

FIG. 3 is a schematic view of a stent attachment configuration of the present invention;

FIG. 4 is a front view of the strike plate construction of the invention;

fig. 5 is a cross-sectional view of the screed structure of the present invention.

Description of reference numerals:

1-a square frame; 11-a leg; 12-a clamping block; 2-end angle plates; 21-a through hole; 22-a connecting plate; 23-a horizontal ruler; 3-a scaffold; 31-adjusting the cylinder; 32-a first motor; 33-a connecting shaft; 34-a clamping block; 35-a limit sleeve; 36-a limiting rod; 4-scraping the plate; 41-connecting sleeves; 42-a snap-in hole; 43-a sprocket; 44-a chain loop; 45-shaving hair; 46-a second motor; 5-reinforcing frame; 6, positioning a plate; 61-positioning the through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a technical solution: the utility model provides a control collapsible loess foundation differential settlement is with strickleing off device, includes square frame 1, end gusset 2, support 3 and strickle 4, square frame 1 specifically is square frame, just is in stabilizer blade 11 is installed respectively to the bottom surface four corners department of square frame 1, and stabilizer blade 11 is the stabilizer blade with adjustable height, can make square frame 1 be in horizontal position through four stabilizer blade 11 mutual adjustments.

The top surface of square frame 1 is fixed with end angle board 2 respectively in four end angle departments, end angle board 2 specifically is the triangle-shaped board, and is fixed with connecting plate 22 respectively in its both sides that are close to square frame 1 side, connecting plate 22 is fixed on square frame 1, and end angle board 2 can increase square frame 1's stability, can provide the effect of supporting the base plate for support 3 again.

In order to facilitate the observation of the levelness of the square frame 1, a level 23 is arranged on the connecting plate 22.

A cross-shaped reinforcing frame 5 is further fixed between the four end angle plates 2, a positioning plate 6 is fixed in the middle of the reinforcing frame 5, a positioning through hole 61 is formed in the middle of the positioning plate 6, and a straight line of a center line of the positioning through hole 61 passes through the center of a square of the square frame 1. The determination of the center point of the foundation to be leveled is completed by the positioning through hole 61.

The end angle plate 2 is fixed with a support 3, the top surface of the support 3 is fixed with an adjusting cylinder 31, a telescopic shaft of the adjusting cylinder 31 penetrates through the top plate of the support 3, a first motor 32 is fixed at the bottom end of the telescopic shaft of the adjusting cylinder 31, a connecting shaft 33 is fixed at the bottom end of a rotating shaft of the first motor 32, and a through hole 21 is formed in the middle of the end angle plate 2 and used for descending the connecting shaft 33.

The support 3 is an L-shaped frame plate, and the straight lines of the axial leads of the adjusting cylinder 31, the first motor 32 and the connecting shaft 33 are overlapped with each other.

In order to keep the axial lead stable during the vertical adjustment of the first motor 32, a position of the outer side of the first motor 32 close to the top end is fixed with a limiting sleeve 35, one side of the limiting sleeve 35 is provided with a limiting hole, a vertical limiting rod 36 is fixed between the bracket 3 and the end angle plate 2, and the limiting rod 36 is movably connected with the limiting sleeve 35 through the limiting hole.

Two clamping blocks 34 are movably connected to the connecting shaft 33, the clamping blocks 34 are driven by an electric push rod arranged in the connecting shaft 33 in a built-in mode, the clamping blocks 34 are opened in the using process, the clamping blocks are folded after the use is completed, and the assembly and the use of the connecting shaft 33 and the connecting sleeve 41 are facilitated.

The scraping plate 4 is clamped at any inner side of the square frame 1, the connecting sleeves 41 are respectively fixed at two side ends of the long shaft of the scraping plate 4, the inner cavities of the connecting sleeves 41 are hexagonal cavities, so that the connecting shaft 33 and the connecting sleeves 41 can be matched with each other for use, and when the connecting shaft 33 extends into the connecting sleeves 41, the electric push rod is used for opening the clamping blocks 34, so that the clamping blocks 34 are abutted against the inner sides of the connecting sleeves 41, and the clamping operation between the connecting shaft 33 and the connecting sleeves 41 is completed.

A set of clamping blocks 12 is fixed on each inner side wall of the square frame 1, each clamping block 12 is provided with two clamping holes 42, and the clamping blocks 12 and the clamping holes 42 are matched with each other for use.

The bottom side of the scraping plate 4 is provided with a cavity, two sides of the cavity are respectively and rotatably connected with chain wheels 43, the outer sides of the two chain wheels 43 are connected with chain rings 44 in a meshing manner, and a plurality of groups of scraping bristles 45 are uniformly adhered and fixed on the outer sides of the chain rings 44.

The scraping plate 4 is further fixed with a second motor 46, the second motor 46 is in transmission connection with the chain wheel 43 close to the second motor 46, and the chain wheel 43 is driven to rotate through rotation of the second motor 46, so that the scraping bristles 45 can be driven to move under rotation of the chain ring 44 to perform dynamic scraping operation.

In summary, when in use, the square frame 1 is placed on the ground with the leveling function, the positioning through hole 61 of the positioning plate 6 is used as a base point to position the placement position of the square frame 1, and then the four support legs 11 are adjusted according to the indication of the level 23 to adjust the square frame 1 to the horizontal direction;

then, firstly, the telescopic shaft of the adjusting cylinder 31 on the end angle plate 2 at one end angle is made to descend, for example, the end angle plate at the right lower angle in fig. 1, so as to drive the first motor 32 to descend, when the connecting shaft 33 is clamped in one connecting sleeve 41 of the scraping plate 4, the adjusting cylinder 31 stops descending, and simultaneously, the electric push rod is started to make the clamping block 34 clamped in the connecting sleeve 41, so as to complete the clamping action between the connecting shaft 33 and the connecting sleeve 41;

then start this first motor 32, make first motor rotate clockwise, thereby can drive the bottom side that the screed plate 4 breaks away from square frame 1, carry out the rotation of quarter circle, the concrete direction of rotation is the inner frame department that is close to square frame 1 right side, when the screed plate 4 supports in square frame 1 inboard department, joint hole 42 joint on square frame 1 is on joint piece 12 of square frame 1, accomplish again and scrape being connected between screed plate 4 and square frame 1, accomplish simultaneously scraping of quarter circle in square frame 1, then open chucking piece 34, make the telescopic shaft lifting of adjustment cylinder 31, accomplish the breaking away from of connecting axle 33 and adapter sleeve 41, then take the end angle board 2 in the upper right corner as the basis, repeat the above-mentioned operation, until accomplishing ground scraping, the work order of end angle board 2 is the anticlockwise.

When strickleing the operation, start second motor 46 in step for second motor 46 rotates and drives and scrapes the hair 45 and can rotate by the multiunit of dull and stereotyped 4 bottom side of scraping, thereby can assist and carry out the operation of strickleing off dynamically, simple and practical can the ground of efficient completion and strickle off the operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 control collapsible loess foundation differential settlement is with strickleing device which characterized in that: the scraping plate comprises a square frame (1), end angle plates (2), a support (3) and a scraping plate (4), wherein the square frame (1) is specifically a square frame, supporting legs (11) are respectively installed at four corners of the bottom surface of the square frame (1), the end angle plates (2) are respectively fixed at the four end corners of the top surface of the square frame (1), and the support (3) is fixed on the end angle plates (2);

an adjusting cylinder (31) is fixed on the top surface of the support (3), a telescopic shaft of the adjusting cylinder (31) penetrates through a top plate of the support (3), a first motor (32) is fixed at the bottom end of the telescopic shaft of the adjusting cylinder (31), a connecting shaft (33) is fixed at the bottom end of a rotating shaft of the first motor (32), and two clamping blocks (34) are movably connected to the connecting shaft (33);

the scraping plate (4) is clamped at any inner side of the square frame (1), connecting sleeves (41) are respectively fixed at two side ends of a long shaft of the scraping plate (4), and the connecting shaft (33) and the connecting sleeves (41) are mutually matched for use.

2. The scraping device for controlling uneven settlement of the collapsible loess foundation as claimed in claim 1, wherein a set of clamping blocks (12) is fixed on each inner side wall of the square frame (1), two clamping blocks (12) are provided for each set, two clamping holes (42) are provided on the scraping plate (4), and the clamping blocks (12) and the clamping holes (42) are matched with each other for use.

3. The scraping device for controlling the uneven settlement of the collapsible loess foundation as claimed in claim 1, wherein a cavity is formed in the bottom side of the scraping plate (4), chain wheels (43) are respectively and rotatably connected to the two sides of the cavity, chain rings (44) are meshed and connected to the outer sides of the two chain wheels (43), and a plurality of groups of scrapers (45) are uniformly adhered and fixed to the outer sides of the chain rings (44).

4. The scraping device for controlling uneven settlement of the collapsible loess foundation as claimed in claim 3, wherein a second motor (46) is further fixed on the scraping plate (4), the second motor (46) is in transmission connection with the adjacent chain wheel (43), and the second motor (46) rotates to drive the chain wheel (43) to rotate, so that the scraping bristles (45) can be driven to move under the rotation of the chain ring (44) to carry out dynamic scraping operation.

5. The scraping device for controlling uneven settlement of the collapsible loess foundation as claimed in claim 1, wherein the end angle plates (2) are triangular plates, and connecting plates (22) are respectively fixed to both sides of the end angle plates close to the side ends of the square frame (1), and the connecting plates (22) are fixed to the square frame (1).

6. The screeding device for controlling the uneven settlement of the collapsible loess foundation as set forth in claim 5, wherein a level (23) is installed on the connecting plate (22).

7. The scraping device for controlling the uneven settlement of the collapsible loess foundation as claimed in claim 1, wherein a limiting sleeve (35) is fixed on the outer side of the first motor (32) near the top end, a limiting hole is formed in one side of the limiting sleeve (35), a vertical limiting rod (36) is fixed between the bracket (3) and the end angle plate (2), and the limiting rod (36) is movably connected with the limiting sleeve (35) through the limiting hole.

8. The screeding device for controlling the uneven settlement of the collapsible loess foundation as claimed in claim 1, wherein the support (3) is an L-shaped frame plate, and the straight lines of the axial leads of the adjusting cylinder (31), the first motor (32) and the connecting shaft (33) are coincident with each other.

9. The screeding device for controlling the uneven settlement of the collapsible loess foundation as claimed in claim 1, wherein a cross-shaped reinforcing frame (5) is further fixed between the four end angle plates (2), and a positioning plate (6) is fixed in the middle of the reinforcing frame (5).

10. The strickle device for controlling uneven settlement of a collapsible loess foundation as claimed in claim 9, wherein a positioning through hole (61) is formed in the middle of the positioning plate (6), and the straight line of the center line of the positioning through hole (61) passes through the center of the square frame (1).