CN114908633A - Pavement slab staggering repairing device and pavement repairing method - Google Patents

Pavement slab staggering repairing device and pavement repairing method Download PDF

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Publication number
CN114908633A
CN114908633A CN202210481745.9A CN202210481745A CN114908633A CN 114908633 A CN114908633 A CN 114908633A CN 202210481745 A CN202210481745 A CN 202210481745A CN 114908633 A CN114908633 A CN 114908633A
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CN
China
Prior art keywords
clamping piece
clamping
slab
structural steel
repairing
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Pending
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CN202210481745.9A
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Chinese (zh)
Inventor
柳力
潘博洋
刘朝晖
杨程程
黄优
李盛
魏银
陈可佳
牛帅
刘洪利
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Changsha University of Science and Technology
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Changsha University of Science and Technology
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Application filed by Changsha University of Science and Technology filed Critical Changsha University of Science and Technology
Priority to CN202210481745.9A priority Critical patent/CN114908633A/en
Publication of CN114908633A publication Critical patent/CN114908633A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/005Methods or materials for repairing pavings
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/09Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
    • E01C23/096Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating and filling
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Road Repair (AREA)

Abstract

The invention relates to pavement restoration and discloses a pavement slab staggering restoration device which comprises a clamping assembly, an adjusting mechanism and a pressure balancing mechanism, wherein the clamping assembly comprises a first clamping piece and a second clamping piece, the first clamping piece is connected with the adjusting mechanism capable of adjusting the position of the first clamping piece, the second clamping piece is installed at the lower end of the adjusting mechanism, a clamping position for clamping a concrete slab is formed between the first clamping piece and the second clamping piece, the pressure balancing mechanism is installed at one end of the first clamping piece, and the stress end capable of bearing the acting force applied by a lifting mechanism is arranged at the other end of the first clamping piece. The device simple structure, the simple operation can lift up the concrete road plate and carry out the road surface restoration. The service life of the concrete road plate can be prolonged. In addition, the invention also relates to a pavement repairing method comprising the pavement slab staggering repairing device.

Description

Pavement slab staggering repairing device and pavement repairing method
Technical Field
The invention relates to pavement repair, in particular to a pavement slab staggering repair device. In addition, the invention also relates to a pavement repairing method adopting the pavement slab staggering repairing device.
Background
The staggered platform refers to the phenomenon that the two plate bodies generate relative vertical displacement at the joint or crack of the cement concrete pavement. In the service process of the cement concrete pavement, the cement concrete slab bottom at the joint or crack can be hollowed under the combined action of the driving load and water or the local subsidence caused by the incompact rolling of the roadbed, so that the height difference of the front and rear cement concrete slabs is caused, and the slab staggering phenomenon is formed. The phenomenon of vehicle jumping caused by slight slab staggering affects the driving comfort, and the driving safety is endangered by serious slab staggering, so that the cement concrete pavement needs to be timely treated after slab staggering, and the service performance of the pavement is restored.
At present, a polishing method is generally adopted at home and abroad to eliminate the slab staggering phenomenon, on one hand, the method reduces the thickness of a cement concrete slab and is easy to cause insufficient bearing capacity of a pavement at the slab staggering position, and on the other hand, the method does not fundamentally eliminate the reasons caused by slab staggering, namely, the cement concrete slab bottom at a joint or a crack is hollow, a cement concrete pavement slab is not in direct contact with a roadbed, and the support is insufficient. Therefore, the problem of slab staggering cannot be fundamentally solved by adopting the polishing method, the slab staggering problem can be repeatedly caused after the slab staggering problem is repaired by adopting the method, and even more serious diseases of the pavement can be caused due to the structural strength damage of the pavement.
In order to solve the technical problem, a novel pavement slab staggering repair device needs to be designed.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the pavement slab staggering repair device which is simple in structure and convenient and fast to operate, can lift a concrete pavement slab for pavement repair, and can prolong the service life of the concrete pavement slab.
The invention also provides a pavement repairing method which can eliminate the phenomenon of slab staggering under the condition of not polishing the pavement.
In order to solve the technical problems, the invention provides a pavement slab staggering repair device on one hand, which comprises a clamping assembly, an adjusting mechanism and a pressure balancing mechanism, wherein the clamping assembly comprises a first clamping piece and a second clamping piece, the first clamping piece is connected with the adjusting mechanism capable of adjusting the position of the first clamping piece, the second clamping piece is arranged at the lower end of the adjusting mechanism, a clamping position for clamping a concrete slab is formed between the first clamping piece and the second clamping piece, the pressure balancing mechanism is arranged at one end of the first clamping piece, and the other end of the first clamping piece is a stressed end capable of bearing the acting force applied by the lifting mechanism.
Preferably, a stressed steel is arranged at the contact position of the first clamping piece and the lifting mechanism.
Specifically, the lifting mechanism is a hydraulic jack.
Preferably, the first clamping piece comprises first structural steel and second structural steel, the first structural steel is in telescopic connection with the second structural steel, the first structural steel is arranged on the adjusting mechanism in a sleeved mode, and one end, far away from the first structural steel, of the second structural steel is connected with the pressure balancing mechanism.
Preferably, the adjusting mechanism includes an adjusting rod and a limiting member, and the limiting member is matched with the adjusting rod to limit the position of the first clamping member.
Specifically, the adjusting rod is provided with a plurality of first positioning holes capable of being matched with the limiting parts, the first structural steel is provided with a first limiting hole, and the limiting parts can penetrate through the first limiting holes and the corresponding first positioning holes to position the height of the first structural steel.
More specifically, the distance between two adjacent first positioning holes is 5-8 cm.
Specifically, the first structural steel sleeve is sleeved on the adjusting rod, and a second limiting hole used for positioning the position of the first structural steel on the adjusting rod is formed in the first structural steel.
Preferably, the pressure balance mechanism comprises a support rod and a support seat installed below the support rod, and the first clamping piece is in threaded connection with the support rod.
The invention also discloses a pavement repairing method, and the pavement slab staggering repairing device adopting any one of the technical schemes comprises the following steps:
s1, adjusting the opening degree between the first clamping piece and the second clamping piece, clamping the staggered concrete slab, and adjusting the pressure balance mechanism to enable the pressure balance mechanism to be abutted against the upper surface of the concrete slab;
s2, applying force to the clamping assembly by using the lifting mechanism to lift the staggered concrete slab and enable the upper surface of the staggered concrete slab to be flush with the upper surface of the adjacent concrete slab;
s3, drilling a plurality of repair holes vertical to the ground surface above the concrete slab of the staggered platform by using an electric drill tool;
s4, injecting polyurethane foam or quick-drying type cement paste into the repair hole until the polyurethane foam or the quick-drying type cement paste overflows the repair hole;
and S5, after the polyurethane foam material or the quick-drying cement paste is solidified, removing the pavement slab staggering repair device, and completing slab staggering repair. Through the technical scheme, the invention has the following beneficial effects:
the invention provides a pavement slab staggering repair device which can replace a polishing method to eliminate the phenomenon of pavement slab staggering and mainly comprises a clamping assembly, an adjusting mechanism and a pressure balancing mechanism, wherein the clamping assembly comprises a first clamping piece and a second clamping piece, the first clamping piece can be connected with the adjusting mechanism capable of adjusting the position of the first clamping piece, the second clamping piece is arranged at the lower end of the adjusting mechanism, a clamping position for clamping a concrete slab is formed between the first clamping piece and the second clamping piece, one end of the first clamping piece is provided with the pressure balancing mechanism, the other end of the first clamping piece is a stressed end capable of bearing the lifting mechanism, the lifting mechanism is used for jacking the concrete slab after the clamping mechanism clamps the concrete slab, in order to keep the stress of the concrete slab uniform, the pressure balancing mechanism is contacted with the upper surface of the concrete slab, a force opposite to the lifting mechanism is generated, and the force is kept balanced, the concrete slab is prevented from being broken due to uneven stress, a polishing method in the prior art is replaced by a method for repairing the concrete slab after jacking, the structure is simple, the use is convenient, and the service life of the concrete slab can be prolonged.
In addition, the invention also provides a pavement repairing method, which mainly comprises the steps of lifting the concrete slab by using the pavement slab staggering repairing device, drilling repairing holes vertical to the ground surface on the lifted concrete slab by using an electric drill, filling polyurethane foam materials or quick-drying type cement paste into the repairing holes until the repairing holes overflow, and resetting the concrete slab after the polyurethane foam materials or the quick-drying type cement paste are solidified.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which 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 principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of an embodiment of the device for repairing a road slab staggering according to the present invention;
FIG. 2 is a use diagram of the pavement restoration method of the present invention;
fig. 3 is a flowchart of a pavement restoration method of the present invention.
Description of the reference numerals
1 first structural Steel 12 first Limit hole
2 second structural steel 3 locating part
4 support rod 5 support seat
6 adjust pole 61 locating hole
7 second clamping piece 8 lifting mechanism
9 stress steel 10 repair hole
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, and it is to be understood that the detailed description is provided only for the purpose of illustrating and explaining the present invention, and the scope of the present invention is not limited to the following detailed description.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "provided," "mounted," "connected," and "arranged" are to be interpreted broadly, for example, the connection may be direct or indirect via an intermediate medium, fixed or detachable, or integral; either directly or indirectly through intervening connectors, either internally or in cooperative relationship to each other. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, and therefore the features defined "first", "second" may explicitly or implicitly include one or more of the features described.
In the present invention, without being stated to the contrary, the terms of orientation such as "upper and lower" are used to define the upper and lower parts, and "top and bottom" are defined with reference to the direction in which the device is used, and specifically, in the drawings provided in the present invention, the directions or positional relationships used are based on the directions or positional relationships shown in the drawings, and what is contacted is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention; the directional terminology of the present invention should be understood in conjunction with the actual installation state.
As shown in fig. 1, in one aspect, the present invention provides a device for repairing a road slab dislocation, which mainly comprises a clamping assembly, an adjusting mechanism and a pressure balancing mechanism, wherein the clamping assembly mainly comprises a first clamping member and a second clamping member 7, the first clamping member is connected with the adjusting mechanism, the adjusting mechanism can adjust the height of the first clamping member, the second clamping member 7 is installed at the lower end of the adjusting mechanism, a clamping position for clamping a concrete slab is formed between the first clamping member and the second clamping member 7, the distance between the first clamping member and the second clamping member 7 is adjusted by adjusting the position of the first clamping member on the adjusting mechanism, so as to form different concrete slabs, one end of the first clamping member is a stressed end capable of bearing the acting force applied by the lifting mechanism 8, so that the lifting mechanism 8 can be lifted to drive the whole device to move upwards when being put well, which in turn causes the slab to be lifted. The other end of the first clamping piece is connected with a pressure balancing mechanism, the pressure balancing mechanism is used for being abutted against the upper surface of the concrete slab, and the pressure balancing mechanism is used for balancing the lifting force applied to the concrete slab by the lifting mechanism 8 and the downward force generated by the concrete slab due to the dead weight so as to prevent the concrete slab from being broken.
Referring to fig. 1, the stress steel 9 is arranged at the contact position of the first clamping piece and the lifting mechanism 8, the stress steel 9 can prevent the lifting force applied to the first clamping piece by the lifting mechanism 8 from being too large, the first clamping piece is damaged, the stress steel 9 plays a role in protecting the first clamping piece, and the service life of the pavement slab staggering repairing device provided by the invention can be prolonged.
Specifically, the lifting mechanism 8 in the present invention may be a hydraulic jack, and the hydraulic jack refers to a jack using a plunger or a hydraulic cylinder as a rigid lifting member. The self-locking device has the characteristics of compact structure, stable work, large jacking force, self-locking and the like. The hydraulic jack has strong supporting capacity. Furthermore, the hydraulic jack can be selected to be hand-operated or electric.
Referring to fig. 1, a first clamping piece of the road surface slab staggering repair device comprises a first structural steel 1 and a second structural steel 2, one end of the first structural steel 1 is telescopically connected with the second structural steel 2, the first structural steel 1 is connected with an adjusting mechanism, and one end of the second structural steel 2, which is far away from the first structural steel 1, is connected with a pressure balancing mechanism. Set first clamping spare to the structure that can stretch out and draw back, the advantage of design like this lies in, can adjust according to the concrete slab size in the in-service use.
Specifically, as a specific embodiment of the first structural steel 1 and the second structural steel 2 in the above technical solution, the length of the first structural steel 1 may be set between 80cm and 100cm, the length of the cross section thereof may be set between 8cm and 10cm, the width of the cross section may be set between 4cm and 6cm, and the thickness of the inner wall is set between 1 cm and 2 cm; while the length of the second structural steel 2 may be set between 40-60cm, the length of the cross section is set between 6-8cm, the width of the cross section is set between 3-5cm, and the thickness of the inner wall is set between 1-2 cm.
It should be noted that the above is only one embodiment of the present invention, and other embodiments may exist for the dimensions of the first structural steel 1 and the second structural steel 2, and may be selected according to specific use cases.
In the present invention, as shown in fig. 1, the adjusting mechanism may include an adjusting lever 6 and a limiting member 3, and the position of the first clamping member on the adjusting lever 6 is adjusted by the limiting member 3.
Specifically, as shown in fig. 1, a plurality of positioning holes 61 capable of being matched with the limiting members 3 are arranged on the adjusting rod 6, a first limiting hole 12 is arranged on the first structural steel 1, the limiting members 3 can penetrate through the first limiting hole 12 and the corresponding positioning holes 61 to fix the first structural steel 1 on the adjusting rod 6, and can be adjusted according to the positions of the positioning holes 61, so that the position of the first structural steel 1 is adjusted, and the opening degree between the first clamping member and the second clamping member 7 is adjusted.
More specifically, the distance between two adjacent positioning holes 61 may be 5-8cm, while the diameter of the positioning holes 61 may be 2-4 cm.
As another specific embodiment, the first structural steel 1 may be sleeved on the adjusting rod 6, the first structural steel 1 is provided with a second limiting hole, the bolt passes through the second limiting hole, and the bolt is in threaded connection with the second limiting hole, the first structural steel 1 can slide up and down along the adjusting rod 6, and after the first structural steel 1 slides to a proper position, the bolt is screwed, and the adjusting rod 6 is tightened, so that the problem of insufficient adjusting precision caused by the fixed distance between the adjacent positioning holes 61 is not a concern.
The above are only two specific embodiments of the adjusting mechanism of the present invention, wherein the adjusting rod 6 may be made of square steel or round steel with a length of about 80cm, and the second clamping member 7 disposed at the lower end of the adjusting rod 6 may be made of steel plate with a length of 8-10cm, a width of 4-6cm and a thickness of 1-2 cm.
Referring to fig. 1, the pressure balance mechanism of the present invention mainly includes a support rod 4 and a support base 5 disposed below the support rod 4, the support rod 4 is connected with a first clamping member by a screw thread, and a lower surface of the support base 5 is in contact with an upper surface of a concrete slab. The pressure balancing mechanism is mainly used for balancing the pressure difference between the concrete slab and the lifting mechanism 8, and the concrete slab is prevented from being damaged.
Specifically, the support rod 4 is in threaded connection with one end, far away from the first structural steel 1, of the second structural steel 2, the length of the support rod 4 is about 80cm, the support rod is made of steel round steel with the diameter of 2-3cm, and threads are arranged on the outer surface of the steel round steel.
In addition, as a specific embodiment of the supporting seat 5, the supporting seat 5 may be composed of an upper cylindrical plate having a diameter of 2-4cm and a height of 2-4cm at an upper portion and a lower cylindrical plate having a diameter of 4-6cm and a height of 2-4cm at a lower portion, the upper cylindrical plate and the lower cylindrical plate being welded together, and the supporting rod 4 being welded to the upper cylindrical plate.
The above are only examples of the road surface slab staggering repair device provided by the invention.
A second aspect of the present invention is to provide a method for repairing a pavement using a pavement slab staggering repair apparatus, referring to fig. 2 to 3, first adjusting a degree of opening and closing between a first clamping member and a second clamping member 7, inserting the second clamping member 7 under a concrete slab having a slab staggering phenomenon, adjusting the first clamping member, determining that the concrete slab is firmly clamped, then adjusting a telescopic length between a first structural steel 1 and a second structural steel 2 according to a lateral size of the concrete slab, and then rotating a support rod 4 so that a lower surface of a support base 5 is in contact with an upper surface of the concrete slab; then, a lifting mechanism 8 is used for lifting the clamped assembly of the clamped concrete slab with the dislocation phenomenon, and the upper surface of the concrete slab with the dislocation phenomenon is flush with the upper surface of the adjacent concrete slab; thirdly, drilling a repairing hole 10 for the staggered concrete slab by using an electric drill, wherein the repairing hole 10 needs to be vertical to the ground surface; fourthly, injecting polyurethane foam materials or quick-drying type cement paste into the repairing holes 10 until the polyurethane foam materials or the quick-drying type cement paste can fill gaps between the lower surface of the slab staggering and the upper surface of the ground and the polyurethane foam materials or the quick-drying type cement paste overflows from the upper side of the repairing holes 10, wherein the polyurethane foam materials or the quick-drying type cement paste can provide supporting force for the slab of the staggering, and the height difference between the slab of the staggering and the adjacent slab is eliminated; and fifthly, after the polyurethane foam material or the quick-drying cement paste is solidified, removing the pavement slab staggering repair device to finish repair.
The polyurethane foam material is a high molecular polymer which is prepared by mixing isocyanate and polyether serving as main raw materials through special equipment under the action of various auxiliary agents such as a foaming agent, a catalyst, a flame retardant and the like, and performing high-pressure spraying and on-site foaming. Polyurethane has both soft and hard foams. The soft bubbles are in an open pore structure, and the hard bubbles are in a closed pore structure; soft foams are classified into skinned and non-skinned. The polyurethane foam material has the advantages of shock resistance, pressure resistance, no cracking after curing, no corrosion and no falling. Sufficient support force can be given to the slab of the slab staggering.
The invention provides a pavement slab staggering repairing device and a pavement repairing method, wherein the basic reason for slab staggering of a cement concrete pavement is that the slab bottom at a joint or a crack is hollowed, the hollowed slab bottom at the joint or the crack can be filled by adopting a grouting mode, and the support of the pavement is improved.
The device is used for repairing the slab of the slab staggering table by directly lifting the slab of the slab staggering table, the supporting force is added below the slab by a grouting method, the slab staggering table phenomenon is eliminated, the damage to the slab caused by direct grinding is avoided, and the service life of the slab is shortened; the pavement repairing method is simple and easy to operate.
In the description of the present invention, reference to the description of "one embodiment," "some embodiments," "a specific implementation," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention can be made, and the same should be considered as the disclosure of the present invention as long as the idea of the present invention is not violated.

Claims (10)

1. The utility model provides a road surface slab staggering prosthetic devices, its characterized in that includes clamping subassembly, adjustment mechanism and pressure balance mechanism, the clamping subassembly includes first clamping piece and second clamping piece (7), first clamping piece with can adjust its position adjustment mechanism connects, second clamping piece (7) are installed adjustment mechanism's lower extreme, first clamping piece with form the clamping position that is used for clamping concrete slab between second clamping piece (7), first clamping piece one end installation pressure balance mechanism, its other end is for bearing the stress end that lifting mechanism (8) applied the effort.
2. The device for repairing a road slab staggering according to claim 1, wherein a stress steel (9) is arranged at the contact part of the first clamping piece and the lifting mechanism (8).
3. The device for repairing a road dislocation according to claim 1, wherein the lifting mechanism (8) is a hydraulic jack.
4. The device for repairing the staggered floor of claim 1, wherein the first clamping piece comprises a first structural steel (1) and a second structural steel (2), the first structural steel (1) and the second structural steel (2) are telescopically connected, the first structural steel (1) is sleeved on the adjusting mechanism, and one end, far away from the first structural steel (1), of the second structural steel (2) is connected with the pressure balancing mechanism.
5. The device according to claim 4, characterized in that the adjusting mechanism comprises an adjusting rod (6) and a limiting member (3), the limiting member (3) cooperating with the adjusting rod (6) to limit the position of the first clamping member.
6. The device for repairing a road surface slab staggering according to claim 5, wherein a plurality of positioning holes (61) capable of being matched with the limiting pieces (3) are arranged on the adjusting rod (6), a first limiting hole (12) is arranged on the first structural steel (1), and the limiting pieces (3) can penetrate through the first limiting hole (12) and the corresponding positioning holes (61) so as to position the height of the first structural steel (1).
7. The device for repairing a road slab staggering as claimed in claim 6, wherein the distance between adjacent positioning holes (61) is 5-8 cm.
8. The device for repairing a road surface staggered platform as claimed in claim 5, wherein the first structural steel (1) is sleeved on the adjusting rod (6), and a second limiting hole for positioning the position of the first structural steel (1) on the adjusting rod (6) is formed in the first structural steel (1).
9. The device for repairing a road slab staggering according to claim 1, wherein the pressure balancing mechanism comprises a support rod (4) and a support seat (5) arranged below the support rod (4), and the first clamping piece is in threaded connection with the support rod (4).
10. A road surface repairing method characterized by using the road surface slab staggering repairing device according to any one of claims 1 to 9, comprising the steps of:
s1, adjusting the opening degree between the first clamping piece and the second clamping piece (7), clamping the staggered concrete slab, and adjusting the pressure balance mechanism to enable the pressure balance mechanism to be abutted against the upper surface of the concrete slab;
s2, applying force to the clamping assembly by using the lifting mechanism (8), so that the staggered concrete slab is lifted and the upper surface of the staggered concrete slab is flush with the upper surface of the adjacent concrete slab;
s3, drilling a plurality of repair holes (10) vertical to the ground surface above the concrete slab of the staggered platform by using an electric drill tool;
s4, injecting polyurethane foam or quick-drying cement paste into the repair hole (10) until the polyurethane foam or the quick-drying cement paste overflows the repair hole (10);
and S5, after the polyurethane foam material or the quick-drying cement paste is solidified, removing the pavement slab staggering repair device, and completing slab staggering repair.
CN202210481745.9A 2022-05-05 2022-05-05 Pavement slab staggering repairing device and pavement repairing method Pending CN114908633A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210481745.9A CN114908633A (en) 2022-05-05 2022-05-05 Pavement slab staggering repairing device and pavement repairing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210481745.9A CN114908633A (en) 2022-05-05 2022-05-05 Pavement slab staggering repairing device and pavement repairing method

Publications (1)

Publication Number Publication Date
CN114908633A true CN114908633A (en) 2022-08-16

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Application Number Title Priority Date Filing Date
CN202210481745.9A Pending CN114908633A (en) 2022-05-05 2022-05-05 Pavement slab staggering repairing device and pavement repairing method

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06146213A (en) * 1993-01-25 1994-05-27 P S Co Ltd Height restoration method of sunk concrete pavement slab
CN104047217A (en) * 2014-05-26 2014-09-17 江苏鼎泰工程材料有限公司 Rapid pavement restoration method
CN208546388U (en) * 2018-08-12 2019-02-26 陈达 A kind of WR and hydropower construction fast fixture
CN209779422U (en) * 2019-04-01 2019-12-13 江苏筑升土木工程科技有限公司 Mechanical jacking device for cement concrete plate

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06146213A (en) * 1993-01-25 1994-05-27 P S Co Ltd Height restoration method of sunk concrete pavement slab
CN104047217A (en) * 2014-05-26 2014-09-17 江苏鼎泰工程材料有限公司 Rapid pavement restoration method
CN208546388U (en) * 2018-08-12 2019-02-26 陈达 A kind of WR and hydropower construction fast fixture
CN209779422U (en) * 2019-04-01 2019-12-13 江苏筑升土木工程科技有限公司 Mechanical jacking device for cement concrete plate

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