CN112813759B - Soft soil roadbed and normal roadbed juncture prevent subsiding structure - Google Patents
Soft soil roadbed and normal roadbed juncture prevent subsiding structure Download PDFInfo
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- CN112813759B CN112813759B CN202110094359.XA CN202110094359A CN112813759B CN 112813759 B CN112813759 B CN 112813759B CN 202110094359 A CN202110094359 A CN 202110094359A CN 112813759 B CN112813759 B CN 112813759B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The invention provides an anti-settlement structure at a junction of a soft soil roadbed and a normal roadbed, relates to the technical field of anti-settlement structures, and solves the problems that settlement is easy to occur at the junction of the existing soft soil roadbed and the normal roadbed, but the existing anti-settlement structure is only formed by singly overlapping anti-settlement blocks, the existing anti-settlement structure is not in anti-settlement structure contact with the soft soil roadbed and the normal roadbed, the anti-settlement effect is not good, and settlement is easy to occur. Soft soil roadbed and normal road bed juncture prevent subsiding structure, including the soft soil roadbed, the soft soil roadbed and normal road bed juncture place the mechanism that subsides of preventing that quantity can increase and decrease. During the installation, can be according to the degree of depth that soft soil roadbed and normal road bed juncture dug the recess, select corresponding quantity prevent subsiding the mechanism, after the multiunit is the mechanism stack installation of preventing subsiding of reverse installation, every adjacent two sets of prevent subsiding that is reverse installation constructs in cylinder B embedded inserting respectively in soft soil roadbed or normal road bed inside, further the reinforcing prevents subsiding the effect of preventing subsiding of mechanism.
Description
Technical Field
The invention belongs to the technical field of anti-settlement structures, and particularly relates to an anti-settlement structure at the junction of a soft soil roadbed and a normal roadbed.
Background
The road engineering refers to the whole process of planning, designing, constructing, maintaining and managing the work and the engineering entity, which is done by taking the road as the object, like the civil engineering of any other door, the road engineering has obvious characteristics in the aspects of technology, economy and management, the roadbed is the foundation of the track or the road surface and is a geotechnical structure formed by excavation or filling, the roadbed mainly has the function of providing necessary conditions for the laying of the track or the road surface and the operation of the train or the traveling crane, bearing the static load and the dynamic load of the track, the locomotive vehicle or the road surface and the traffic load, and simultaneously transmitting and diffusing the load to the deep foundation, in the road engineering, the junction point of the soft soil roadbed and the normal roadbed is the weakest part of the whole section of the road, and the position is easy to settle in the operation and use process.
For example, application No.: CN202010729146.5 this application relates to a structure and construction method are prevented subsiding by ground, it locates subaerial foundation ditch including digging, the diapire is fixed to be laid and is prevented subsiding concrete layer in the foundation ditch, prevent subsiding concrete layer upper surface and laid the gravel layer, the concrete gray layer has been laid to the gravel layer upper surface, the concrete gray layer top is inserted and is equipped with the fixed column, the bottom of fixed column is in proper order with the concrete gray layer, the gravel layer runs through and inserts the underground with preventing subsiding concrete layer, steel reinforcement cage net has been placed to the concrete gray layer upper surface, be used for concreting in the steel reinforcement cage net, the ground is fixed at steel reinforcement cage net upper surface, the ground below is equipped with a plurality of anti-settlement device, anti-settlement device is used for supporting the ground, this application has reached the effect that effectively prevents that the ground from taking place to subside.
Based on the retrieval of above-mentioned patent to and combine the equipment discovery among the prior art, present soft soil roadbed and normal roadbed juncture easily take place to subside, but the settlement prevention structure that adopts now is single stack and places and prevent the piece that subsides, and it does not have with soft soil roadbed and normal roadbed and prevents the settlement structure contact, and the settlement prevention effect that it played is not good, still easily takes place to subside.
Disclosure of Invention
In order to solve the technical problems, the invention provides an anti-settlement structure at the junction of a soft soil roadbed and a normal roadbed, which aims to solve the problems that settlement is easy to occur at the junction of the existing soft soil roadbed and the normal roadbed, but the existing anti-settlement structure is only formed by singly overlapping anti-settlement blocks, the anti-settlement blocks are not in contact with the soft soil roadbed and the normal roadbed, the anti-settlement effect is not good, and settlement is easy to occur.
The purpose and the effect of the settlement-preventing structure at the junction of the soft soil roadbed and the normal roadbed are achieved by the following specific technical means:
the settlement-preventing structure at the junction of the soft soil roadbed and the normal roadbed comprises the soft soil roadbed, wherein settlement-preventing mechanisms with the number capable of being increased and decreased are arranged at the junction of the soft soil roadbed and the normal roadbed, and a top pressing block is buckled at the top of the uppermost settlement-preventing mechanism; a group of extrusion mechanisms is arranged between every two adjacent groups of anti-settling mechanisms; the top end face of the top pressing block, the soft soil roadbed and the top end face of the normal roadbed are positioned at the same horizontal plane, and a covering layer is paved on the soft soil roadbed, the normal roadbed and the top end face of the top pressing block; prevent subsiding mechanism including embedded mechanism, inside slidable mounting of circular slip cavity has a set of embedded mechanism, and embedded mechanism is including the circle piece, ball A, cylinder A, slope cut surface A, cylinder B, reset spring, slope cut surface B and horizontal cut surface, the circle piece periphery is the embedded rotation of annular array form altogether and installs four ball A, circle piece left end face axle center position is provided with a cylinder A, and cylinder A outer peripheral face left end top is seted up one and is located slope cut surface A, circle piece right-hand member face axle center position is provided with a cylinder B, and cylinder B periphery has cup jointed a reset spring, and the reset spring left end welds with circle piece right-hand member face mutually, cylinder B outer peripheral face right-hand member top side and bottom side have all seted up one and have located slope cut surface B, cylinder B outer peripheral face bottom side has seted up one and has located horizontal cut surface.
Furthermore, the top pressing block comprises a threaded blind hole A and a circular limiting groove A, the circular limiting groove A is formed in the edge included angle position of the four positions of the bottom end face of the top pressing block, and the circular limiting groove A is formed in the right side position of the bottom end face of the top pressing block.
Further, the anti-settling mechanism comprises a pressing block, circular limiting protrusions, circular limiting grooves B and threaded blind holes B, the four edge included angle parts of the top end face of the pressing block are provided with the circular limiting protrusions, the four edge included angle parts of the bottom end face of the pressing block are provided with the circular limiting grooves B, the right side part of the bottom end face of the pressing block is provided with the threaded blind holes B, the circular limiting grooves A are in plug-in fit with the four circular limiting protrusions in the installation state of the anti-settling mechanism and the top end face of the pressing block is attached to the bottom end face of the top pressing block, the two adjacent anti-settling mechanisms are in installation state, the upper set of anti-settling mechanism and the lower set of anti-settling mechanism are reversely installed, the four circular limiting grooves B in the upper set of anti-settling mechanism are in plug-in fit with the four circular limiting protrusions in the lower set of anti-settling mechanism, and the bottom end face of the pressing block in the upper set of anti-settling mechanism and the lower set of anti-settling mechanism are in plug-settling mechanism and the pressing block top end face in the lower set of anti-settling mechanism And (7) attaching.
Further, prevent subsiding mechanism and run through the mouth including the rectangle, circular slip chamber, circular through-hole A and circular through-hole B, briquetting top end face left side position is seted up a rectangle that link up briquetting bottom end face and is run through the mouth, the inside circular slip chamber of having seted up a on briquetting right side, and the rectangle is run through and is linked together through a circular through-hole B between mouth and the circular slip chamber, and circular through-hole B is in with the axle center state with circular slip chamber, the circular through-hole A that a department is linked together with circular slip chamber is seted up to the briquetting right-hand member face, and circular through-hole A is in with the axle center state with circular slip chamber.
Furthermore, prevent subsiding the mechanism including the spacing spout of arc, the peripheral surface of circular slip chamber is the spacing spout of arc of annular array form and has seted up everywhere altogether, and the spacing spout length of arc is unanimous with circular slip chamber length.
Further, under the embedded mechanism mounted state, the disk is located circular sliding cavity, and the disk diameter is less than circular sliding cavity diameter, four ball A difference sliding connection are in the spacing spout of arc everywhere, cylinder A is located circular through-hole B, and circular through-hole B diameter is greater than cylinder A diameter, slope cut surface A that cylinder A outer peripheral face left end top side was seted up is towards the top, reset spring right-hand member contacts with circular sliding cavity right-hand member face, reset spring is under the ordinary extension state, disk left end face contacts with circular sliding cavity left end face, and cylinder B right-hand member does not surpass circular through-hole A, and cylinder B diameter is less than circular through-hole A diameter.
Furthermore, the extrusion mechanism comprises an extrusion cylinder, a stud, an inclined cut surface C and a ball B, wherein the stud is arranged at the axis part of the top end face of the extrusion cylinder, the inclined cut surface C is arranged at the bottom end face of the extrusion cylinder and is parallel to the inclined cut surface A, and the ball B is rotatably arranged in the axis part of the inclined cut surface C in an embedded mode.
Furthermore, when the extrusion mechanism is installed on the top pressing block, the stud is in threaded connection with the threaded blind hole A, when the bottom end face of the top pressing block is attached to the top end face of the pressing block, the extrusion cylinder is located in the rectangular through hole, the outer peripheral face of the extrusion cylinder is in contact with the right end face of the rectangular through hole, the left end of the cylinder A is completely accommodated in the circular through hole B, and the right end of the cylinder B extends out of the circular through hole A; the extrusion mechanism with prevent subsiding under the mechanism installation state, the double-screw bolt is connected with screw thread blind hole B screw thread, and under two sets of adjacent mechanisms of preventing subsiding laminated mutually, the extrusion cylinder that the mechanism screw thread that prevents subsiding of top was connected is located a set of rectangle through hole that prevents subsiding the mechanism in the below, and the extrusion cylinder peripheral face contacts with rectangle through hole right-hand member face.
Compared with the prior art, the invention has the following beneficial effects:
when the anti-settling mechanism is installed, the corresponding number of anti-settling mechanisms can be selected according to the depth of the grooves dug at the junction of the soft soil roadbed and the normal roadbed, after a plurality of sets of anti-settling mechanisms which are reversely installed are stacked, the cylinders B in every two adjacent sets of anti-settling mechanisms which are reversely installed are respectively embedded and inserted into the soft soil roadbed or the normal roadbed, so that the anti-settling effect of the anti-settling mechanism is further enhanced.
Drawings
Fig. 1 is a schematic sectional structure of the present invention.
FIG. 2 is a schematic sectional structure view of the top briquetting and anti-settling mechanism in FIG. 1.
FIG. 3 is a schematic cross-sectional view of a top compact of the present invention.
Fig. 4 is a schematic sectional structure view of the anti-settling mechanism of the present invention.
Fig. 5 is a schematic structural view of the embedded mechanism in fig. 4 in a state of being removed.
Fig. 6 is a schematic top axial view of the mechanism of the present invention.
Fig. 7 is a bottom end axial view of the embedded mechanism of the present invention.
Fig. 8 is a schematic structural view of the pressing mechanism of the present invention.
FIG. 9 is a schematic sectional view of the top press block of the present invention in cooperation with the anti-settling mechanism.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. soft soil roadbed; 2. normal roadbed; 3. a cover layer; 4. pressing the top of the container; 401. a threaded blind hole A; 402. a circular limiting groove A; 5. an anti-settling mechanism; 501. briquetting; 502. a circular limiting bulge; 503. a rectangular through opening; 504. a circular limiting groove B; 505. a threaded blind hole B; 506. a circular sliding cavity; 507. an arc-shaped limiting chute; 508. a circular through hole A; 509. a circular through hole B; 5010. an embedded mechanism; 01. a round block; 02. a ball A; 03. a cylinder A; 04. an inclined cut surface A; 05. a cylinder B; 06. a return spring; 07. an inclined cut surface B; 08. a transverse cut surface; 6. an extrusion mechanism; 601. extruding the cylinder; 602. a stud; 603. an inclined cut surface C; 604. and a ball B.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like 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 "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Example (b):
as shown in figures 1 to 9:
the invention provides a settlement-proof structure at the junction of a soft soil roadbed and a normal roadbed, which comprises the following components: the anti-settling mechanism 5 with the number capable of being increased and decreased is placed at the junction of the soft soil roadbed 1 and the normal roadbed 2, and the top of the anti-settling mechanism 5 at the top is buckled with a top pressing block 4; a group of extrusion mechanisms 6 is arranged between every two adjacent groups of anti-settling mechanisms 5; the top end surface of the top pressing block 4 and the top end surfaces of the soft soil roadbed 1 and the normal roadbed 2 are positioned at the same horizontal plane, and a covering layer 3 is paved on the top end surfaces of the soft soil roadbed 1, the normal roadbed 2 and the top pressing block 4; the anti-settling mechanism 5 comprises an embedded mechanism 5010, a group of embedded mechanisms 5010 are slidably arranged in the circular sliding cavity 506, the embedded mechanism 5010 comprises a round block 01, balls A02, a cylinder A03, an inclined cutting surface A04, a cylinder B05, a return spring 06, an inclined cutting surface B07 and a transverse cutting surface 08, wherein the periphery of the round block 01 is annularly arrayed and is embedded with four balls A02 in a rotating manner, the axle center of the left end face of the round block 01 is provided with a cylinder A03, and the top side of the left end of the peripheral surface of the cylinder A03 is provided with an inclined cutting surface A04, the axial center part of the right end surface of the round block 01 is provided with a cylinder B05, the periphery of the cylinder B05 is sleeved with a return spring 06, and the left end of the reset spring 06 is welded with the right end face of the round block 01, the top side and the bottom side of the right end of the peripheral surface of the cylinder B05 are both provided with an inclined section B07, and the bottom side of the peripheral surface of the cylinder B05 is provided with a transverse section 08.
The top pressing block 4 comprises a threaded blind hole A401 and a circular limiting groove A402, the included angle positions of the four edges of the bottom end face of the top pressing block 4 are provided with the circular limiting groove A402, and the right side of the bottom end face of the top pressing block 4 is provided with the circular limiting groove A402.
Wherein, the anti-settling mechanism 5 comprises a pressing block 501, a circular limiting bulge 502, a circular limiting groove B504 and a threaded blind hole B505, the included angle parts of the four edges of the top end surface of the pressing block 501 are all provided with a circular limiting bulge 502, the included angle parts of the four edges of the bottom end surface of the pressing block 501 are all provided with a circular limiting groove B504, the right side part of the bottom end surface of the pressing block 501 is provided with a threaded blind hole B505, the anti-settling mechanism 5 and the top pressing block 4 are in an installation state, the circular limiting groove A402 is in inserted fit with the four circular limiting bulges 502, the top end surface of the pressing block 501 is attached with the bottom end surface of the top pressing block 4, the upper set of anti-settling mechanisms 5 and the lower set of anti-settling mechanisms 5 are in a reverse installation state, the four circular limiting grooves B504 in the upper set of anti-settling mechanisms 5 are in inserted fit with the four circular limiting bulges 502 in the lower set of anti-settling mechanisms 5, and the bottom end surface of the pressing block 501 in the upper set of anti-settling mechanisms 5 is attached to the top end surface of the pressing block 501 in the lower set of anti-settling mechanisms 5.
Wherein, prevent subsiding mechanism 5 including rectangle through-hole 503, circular sliding chamber 506, circular through-hole A508 and circular through-hole B509, briquetting 501 top end face left side position is seted up one and is link up rectangle through-hole 503 of briquetting 501 bottom end face, briquetting 501 right side inside has seted up one and has seted up circular sliding chamber 506, and communicate through a circular through-hole B509 between rectangle through-hole 503 and the circular sliding chamber 506, and circular through-hole B509 and circular sliding chamber 506 are in with the axle center state, briquetting 501 right end face is seted up one and is linked together circular through-hole A508 that circular sliding chamber 506 was linked together, and circular through-hole A508 and circular sliding chamber 506 are in with the axle center state.
Wherein, prevent subsiding mechanism 5 including arc spacing spout 507, the peripheral surface of circular sliding chamber 506 is the annular array form and has seted up the spacing spout 507 of four arcs altogether, and the spacing spout 507 of arc length is unanimous with circular sliding chamber 506 length.
Wherein, under embedded mechanism 5010 installation state, circle piece 01 is located circular sliding cavity 506, and circle piece 01 diameter is less than circular sliding cavity 506 diameter, four ball A02 sliding connection are in the spacing spout 507 of arc everywhere respectively, cylinder A03 is located circular through-hole B509, and circular through-hole B509 diameter is greater than cylinder A03 diameter, the slope cut surface A04 that cylinder A03 outer peripheral face left end top was seted up is towards the top, reset spring 06 right-hand member contacts with circular sliding cavity 506 right-hand member face, under the ordinary extension state of reset spring 06, circle piece 01 left end face contacts with circular sliding cavity 506 left end face, and cylinder B05 right-hand member does not surpass circular through-hole A508, and cylinder B05 diameter is less than circular through-hole A508 diameter.
The extrusion mechanism 6 comprises an extrusion cylinder 601, a stud 602, an inclined cut surface C603 and a ball B604, wherein the stud 602 is arranged at the axis of the top end surface of the extrusion cylinder 601, the inclined cut surface C603 is arranged at the bottom end surface of the extrusion cylinder 601, the inclined cut surface C603 is parallel to the inclined cut surface a04, and the ball B604 is rotatably embedded in the axis of the inclined cut surface C603.
When the bottom end face of the top pressing block 4 is attached to the top end face of the pressing block 501, the extrusion cylinder 601 is located in the rectangular through hole 503, the outer peripheral face of the extrusion cylinder 601 is in contact with the right end face of the rectangular through hole 503, the left end of the cylinder A03 is completely accommodated in the circular through hole B509, and the right end of the cylinder B05 extends out of the circular through hole A508; when the extrusion mechanism 6 and the anti-settling mechanism 5 are installed, the stud 602 is in threaded connection with the threaded blind hole B505, and when two adjacent sets of anti-settling mechanisms 5 are in a fitted state, the extrusion cylinder 601 in threaded connection with the upper set of anti-settling mechanism 5 is located in the rectangular through hole 503 of the lower set of anti-settling mechanism 5, and the outer peripheral surface of the extrusion cylinder 601 is in contact with the right end surface of the rectangular through hole 503.
When in use:
when the anti-settling mechanism 5 is installed, a corresponding number of anti-settling mechanisms 5 can be selected according to the depth of a groove dug at the junction of the soft soil roadbed 1 and the normal roadbed 2, when the anti-settling mechanisms 5 are placed, firstly, one group of anti-settling mechanisms 5 are placed in the groove, then, the other group of anti-settling mechanisms 5 are oppositely installed and overlapped on the group of anti-settling mechanisms 5, when the anti-settling mechanisms 5 are installed in an overlapping mode, an extrusion cylinder 601 connected with the upper group of anti-settling mechanisms 5 through threads is positioned in a rectangular through hole 503 of the lower group of anti-settling mechanisms 5, the outer peripheral surface of the extrusion cylinder 601 is contacted with the right end surface of the rectangular through hole 503, an inclined cut surface C603 is arranged on the bottom end surface of the extrusion cylinder 601, the inclined cut surface C603 is parallel to an inclined cut surface A04, and a ball B604 is further embedded and rotatably installed in the axle center part of the inclined cut surface C603, so when the anti-settling mechanisms 5 are installed in an overlapping mode, the ball B604 is firstly contacted with an inclined cut surface A04 arranged on the top side arranged on the left end of the outer peripheral surface of the cylinder A03, thereby, the sliding extrusion round block 01 slides along the circular sliding cavity 506 through the matching of the ball A02 and the arc limiting chute 507, thereby the cylinder A03 is extruded and received in the circular through hole B509, the cylinder B05 extends out of the circular through hole A508, and the cylinder B05 breaks through the inclined cutting surface B07 to insert the soft soil roadbed 1 or the normal roadbed 2 into the interior of the sliding extrusion round block, after the sliding extrusion round block is overlapped and installed, the four circular limiting grooves B504 in the upper set of anti-settling mechanism 5 are inserted and matched with the four circular limiting bulges 502 in the lower set of anti-settling mechanism 5, the bottom end surface of the pressing block 501 in the upper set of anti-settling mechanism 5 is attached to the top end surface of the pressing block 501 in the lower set of anti-settling mechanism 5, the limiting is completed, after the multiple sets of anti-settling mechanisms 5 which are installed in the reverse direction are overlapped and installed, the cylinder B05 in each two adjacent sets of anti-settling mechanisms 5 which are installed in the reverse direction are respectively inserted into the soft soil roadbed 1 or the normal roadbed 2, the anti-settling effect of the anti-settling mechanism 5 is further enhanced, the bottom side of the outer peripheral surface of the cylinder B05 in the anti-settling mechanism 5 is provided with a transverse cut surface 08, the contact area between the cylinder B05 and the soft soil roadbed 1 or the normal roadbed 2 is further increased through the transverse cut surface 08, and the anti-settling effect is ensured;
after the anti-settling mechanisms 5 are all placed and installed, the top pressing block 4 and the uppermost anti-settling mechanism 5 are placed to be installed and matched, during installation, the extrusion mechanism 6 installed at the bottom of the top pressing block 4 in a threaded mode is inserted into the rectangular through hole 503 in the uppermost anti-settling mechanism 5, the extrusion mechanism 6 extrudes the embedded mechanism 5010 in the anti-settling mechanism 5, the cylinder B05 in the embedded mechanism 5010 is inserted into the soft soil roadbed 1 or the normal roadbed 2 in an embedded mode, after installation is finished, the circular limiting protrusion 502 is in plug-in fit with the circular limiting groove A402, the bottom end face of the top pressing block 4 is in contact with the top end face of the pressing block 501 in the uppermost anti-settling mechanism 5, top closed installation is completed, a covering layer 3 is laid behind the top closed installation, and installation of the anti-settling structure at the junction of the soft soil roadbed 1 and the normal roadbed 2 is completed.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (1)
1. Soft soil road bed prevents subsiding structure with normal road bed juncture, its characterized in that: the anti-settling device comprises a soft soil roadbed (1), wherein the junction of the soft soil roadbed (1) and a normal roadbed (2) is provided with anti-settling mechanisms (5) with the number being increased or decreased, and the top of the uppermost anti-settling mechanism (5) is buckled with a top pressing block (4); a group of extrusion mechanisms (6) are arranged between every two adjacent groups of the anti-settling mechanisms (5); the top end surface of the top pressing block (4) is positioned at the same horizontal plane with the top end surfaces of the soft soil roadbed (1) and the normal roadbed (2), and a covering layer (3) is paved on the top end surfaces of the soft soil roadbed (1), the normal roadbed (2) and the top pressing block (4) together;
the top pressing block (4) comprises a threaded blind hole A (401) and a circular limiting groove A (402), the included angle positions of the four edges of the bottom end surface of the top pressing block (4) are provided with the circular limiting grooves A (402), and the right side position of the bottom end surface of the top pressing block (4) is provided with the circular limiting groove A (402);
the anti-settling mechanism (5) comprises a pressing block (501), circular limiting protrusions (502), circular limiting grooves B (504) and threaded blind holes B (505), wherein the circular limiting protrusions (502) are arranged at the included angles of the four edges of the top end face of the pressing block (501), the circular limiting grooves B (504) are arranged at the included angles of the four edges of the bottom end face of the pressing block (501), the threaded blind holes B (505) are arranged at the right side of the bottom end face of the pressing block (501), the circular limiting grooves A (402) are matched with the four circular limiting protrusions (502) in an inserted manner under the installation state of the anti-settling mechanism (5) and the top end face of the top pressing block (4), the top end face of the pressing block (501) is attached to the bottom end face of the top pressing block (4), and the upper anti-settling mechanism (5) and the lower anti-settling mechanism (5) are reversely installed under the installation state of the adjacent two anti-settling mechanisms (5), four circular limiting grooves B (504) in the upper set of anti-settling mechanisms (5) are in inserting fit with four circular limiting protrusions (502) in the lower set of anti-settling mechanisms (5), and the bottom end face of a pressing block (501) in the upper set of anti-settling mechanisms (5) is attached to the top end face of a pressing block (501) in the lower set of anti-settling mechanisms (5);
the anti-settling mechanism (5) comprises a rectangular through hole (503), a circular sliding cavity (506), a circular through hole A (508) and a circular through hole B (509), the left side part of the top end face of the pressing block (501) is provided with the rectangular through hole (503) penetrating through the bottom end face of the pressing block (501), the inside of the right side of the pressing block (501) is provided with the circular sliding cavity (506), the rectangular through hole (503) is communicated with the circular sliding cavity (506) through the circular through hole B (509), the circular through hole B (509) and the circular sliding cavity (506) are in a coaxial state, the right end face of the pressing block (501) is provided with the circular through hole A (508) communicated with the circular sliding cavity (506), and the circular through hole A (508) and the circular sliding cavity (506) are in a coaxial state;
the anti-settling mechanism (5) comprises arc-shaped limiting sliding grooves (507), four arc-shaped limiting sliding grooves (507) are formed in the inner periphery of the circular sliding cavity (506) in an annular array shape, and the lengths of the arc-shaped limiting sliding grooves (507) are consistent with the length of the circular sliding cavity (506);
the anti-settling mechanism (5) comprises an embedded mechanism (5010), a group of embedded mechanisms (5010) is slidably mounted inside a circular sliding cavity (506), the embedded mechanisms (5010) comprise round blocks (01), balls A (02), cylinders A (03), inclined cutting surfaces A (04), cylinders B (05), reset springs (06), inclined cutting surfaces B (07) and transverse cutting surfaces (08), the outer peripheries of the round blocks (01) are annularly arrayed, four balls A (02) are rotatably mounted in an embedded mode, the axle center of the left end face of each round block (01) is provided with one cylinder A (03), the top of the left end of the outer periphery of each cylinder A (03) is provided with one inclined cutting surface A (04), the axle center of the right end face of each round block (01) is provided with one cylinder B (05), the periphery of each cylinder B (05) is sleeved with one reset spring (06), and the left end of each reset spring (06) is welded with the right end face of each round block (01), the top side and the bottom side of the right end of the outer peripheral surface of the cylinder B (05) are both provided with an inclined cut surface B (07), and the bottom side of the outer peripheral surface of the cylinder B (05) is provided with a transverse cut surface (08);
when the embedded mechanism (5010) is installed, the round block (01) is positioned in the round sliding cavity (506), the diameter of the round block (01) is smaller than that of the circular sliding cavity (506), four balls A (02) are respectively connected in four arc-shaped limiting sliding grooves (507) in a sliding manner, the cylinder A (03) is positioned in a circular through hole B (509), the diameter of the round through hole B (509) is larger than that of the cylinder A (03), an inclined cutting surface A (04) arranged on the top side of the left end of the peripheral surface of the cylinder A (03) faces upwards, the right end of the reset spring (06) is contacted with the right end surface of the round sliding cavity (506), and under the ordinary extension state of the reset spring (06), the left end surface of the round block (01) is contacted with the left end surface of the round sliding cavity (506), the right end of the cylinder B (05) does not exceed the circular through hole A (508), and the diameter of the cylinder B (05) is smaller than that of the circular through hole A (508);
the extrusion mechanism (6) comprises an extrusion cylinder (601), a stud (602), an inclined cut surface C (603) and a ball B (604), wherein the stud (602) is arranged at the axis of the top end surface of the extrusion cylinder (601), the inclined cut surface C (603) is arranged at the bottom end surface of the extrusion cylinder (601), the inclined cut surface C (603) is parallel to the inclined cut surface A (04), and the ball B (604) is embedded and rotatably mounted at the axis of the inclined cut surface C (603);
when the extrusion mechanism (6) and the top pressing block (4) are installed, the stud (602) is in threaded connection with the threaded blind hole A (401), when the bottom end face of the top pressing block (4) is attached to the top end face of the pressing block (501), the extrusion cylinder (601) is located in the rectangular through hole (503), the peripheral face of the extrusion cylinder (601) is in contact with the right end face of the rectangular through hole (503), the left end of the cylinder A (03) is completely accommodated in the circular through hole B (509), and the right end of the cylinder B (05) extends out of the circular through hole A (508); when the extrusion mechanism (6) and the anti-settling mechanism (5) are installed, the stud (602) is in threaded connection with the threaded blind hole B (505), when two adjacent anti-settling mechanisms (5) are attached to each other, the extrusion cylinder (601) in threaded connection with the upper anti-settling mechanism (5) is located in the rectangular through hole (503) of the lower anti-settling mechanism (5), and the peripheral surface of the extrusion cylinder (601) is in contact with the right end surface of the rectangular through hole (503).
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