Steel truss integral continuous multi-point walking type jacking construction device and construction method

Abstract

The present invention discloses a continuous multi-point walking-type jacking construction device and a construction method for an integral steel truss, wherein the continuous multi-point walking-type jacking construction device for an integral steel truss comprises a supporting mechanism, a bearing mechanism, a plurality of walking-type jacking mechanisms, a lifting mechanism and a resetting mechanism; the supporting mechanism comprises a plurality of supporting piers, which are respectively arranged corresponding to at least a part of the truss section, and a reaction seat is provided at the top of each supporting pier; the bearing mechanism comprises a plurality of bearing frames, which respectively bear the corresponding truss sections; the plurality of walking-type jacking mechanisms are respectively arranged on the plurality of supporting piers, for driving the bearing frames to move, so as to jointly drive the steel truss to move forward a single jacking distance; the lifting mechanism comprises a plurality of lifting parts, for lifting the steel truss off the bearing frame when the steel truss moves to the single jacking distance; the resetting mechanism comprises a plurality of resetting parts, for driving the bearing frame to move backward a single jacking distance and reset when the lifting part lifts the steel truss.

Description

Technical Field

[0001] The present invention relates to the technical field of bridge construction, and in particular to a steel truss integral continuous multi-point walking type jacking construction device and a construction method. Background Art

[0002] Prior art jacking construction techniques for steel truss erection typically involve dragging or multi-point continuous jacking, where the steel trusses are pulled by jacking jacks to complete the erection. However, these jacking systems suffer from shortcomings such as excessive horizontal forces on the pier top, poor local structural stress on the steel trusses, and a low degree of automation. Summary of the Invention

[0003] The main purpose of the present invention is to propose a continuous multi-point walking-type jacking construction device and construction method for an integral steel truss, aiming to solve the shortcomings of the existing steel truss jacking system during construction, such as excessive horizontal force on the pier top, poor stress on the local structure of the steel truss, and low degree of automation.

[0004] To achieve the above-mentioned object, the present invention provides a steel truss integral continuous multi-point walking-type jacking construction device for jacking a steel truss, wherein the steel truss comprises a plurality of truss segments assembled sequentially from back to front. The steel truss integral continuous multi-point walking-type jacking construction device comprises:

[0005] The support mechanism includes a plurality of support piers spaced apart from each other from the back to the front, the plurality of support piers being used to correspond to at least a portion of the truss segments, and a reaction seat being provided at the top of each support pier;

[0006] The bearing mechanism includes a plurality of bearing frames provided corresponding to the plurality of support piers, each of the bearing frames being movably provided at the top of the reaction seat, the bearing frames being used to respectively carry the corresponding truss segments, and each of the bearing frames being provided with two bearing protrusions for respectively carrying the two splicing nodes of the corresponding truss segments;

[0007] A plurality of walking-type pushing mechanisms are respectively provided on the plurality of the supporting piers, each of the walking-type pushing mechanisms includes a pushing portion drivingly connected to the corresponding supporting frame, the pushing portion being movably arranged to drive the supporting frame to move, thereby jointly driving the steel truss to move forward a single pushing distance;

[0008] The lifting mechanism includes a plurality of lifting parts respectively provided on the plurality of the supporting piers, each of the lifting parts being movable in an up-down direction so as to lift the steel truss away from the bearing frame when the steel truss reaches the single pushing distance; and

[0009] The reset mechanism includes a plurality of reset parts respectively arranged on the plurality of the support piers. Each reset part is movably arranged to drive the corresponding support frame to move backward the single pushing distance to reset when the lifting part lifts the steel truss.

[0010] Optionally, the steel truss integral continuous multi-point walking jacking construction device further includes a driving device, which includes a lifting driving assembly and / or a resetting driving assembly, wherein:

[0011] The lifting drive assembly includes a lifting drive portion movable in an up-down direction, and the lifting drive portion is drivingly connected to the corresponding lifting portion;

[0012] The reset drive assembly includes a movable reset drive portion, which is drivingly connected to the corresponding reset portion.

[0013] Optionally, the lifting mechanism includes a plurality of lifting components separately provided on a plurality of the supporting piers, and each of the lifting components includes:

[0014] A transverse frame, provided at the top of the supporting pier, movable in the front-back direction so as to correspond to the splicing node of the truss segment; and

[0015] A lifting block is provided on the transverse frame, the lifting block can move in the up and down directions, and in its movable range, the lifting block has a lifting position and a falling position, and an avoidance groove is provided on the top of the lifting block, and the avoidance groove is provided through the front and rear upwards to accommodate the carrying frame;

[0016] Wherein, the lifting portion includes the lifting block;

[0017] In the lifting position, the top of the lifting block is higher than the supporting frame, so as to lift the steel truss off the supporting frame. In the falling position, the top of the lifting block is lower than the supporting frame, so that the lifted steel truss can be placed on the supporting frame.

[0018] Optionally, the reaction seat includes four columns, which are arranged on the top of the support pier and corresponding to the four corners of the support pier to support the corresponding bearing frame;

[0019] The steel truss integral continuous multi-point walking jacking construction device also includes a guide mechanism, which includes a sliding guide groove and a guide block. The guide groove is arranged at the bottom of the supporting frame, and the guide groove extends in the front and rear directions. The guide block is arranged at the top of the column.

[0020] Optionally, the support pier has a first side end in the left and right directions;

[0021] The reset mechanism includes a plurality of reset plates respectively provided on the plurality of support piers, each reset plate being provided at the first side end and movable in the front-back direction;

[0022] The steel truss integral continuous multi-point walking jacking construction device further includes a holding mechanism, the holding mechanism including a plurality of holding portions correspondingly provided on the plurality of reset plates, each of the holding portions being movably arranged to be able to approach and move away from the supporting frame to correspondingly hold, fix, and release the supporting frame;

[0023] Wherein, the reset portion includes the reset plate.

[0024] Optionally, the walking-type pushing mechanism includes two walking-type pushing structures provided at the top of the supporting pier, and the two walking-type pushing structures are spaced apart and arranged upward on the left and right sides;

[0025] The walking-type pushing structure includes a lifting part and a horizontal pushing part, the lifting part can move in the up-down direction, and in its moving stroke, the lifting part has a lifting position for lifting the carrier frame to separate it from the reaction seat, and a lowering position for lowering the carrier frame to the reaction seat, the horizontal pushing part is drivingly connected to the carrier frame, and the horizontal pushing part can move in the front-back direction, so as to push the carrier frame forward when the lifting part moves to the lifting position, so as to drive the steel truss forward to travel the single pushing distance;

[0026] Wherein, the pushing portion includes the lifting portion and the horizontal pushing portion.

[0027] The present invention further provides a steel truss integral continuous multi-point walking type jacking construction method based on the above-mentioned steel truss integral continuous multi-point walking type jacking construction device, the steps of the steel truss integral continuous multi-point walking type jacking construction method comprising:

[0028] Get the length parameters of the target truss segment;

[0029] Calculate the single push distance and push times according to the length parameter;

[0030] Acquire multiple control instructions to push the target truss segment forward with the single pushing distance;

[0031] Repeat the above steps for the number of pushing times until the target truss segment moves to the target position.

[0032] Optionally, the steel truss integral continuous multi-point walking-type jacking construction device includes a plurality of walking-type jacking mechanisms, each of which includes a walking-type jacking structure, and the walking-type jacking structure includes a jacking portion and a horizontal pushing portion, the jacking portion can move in the up-down direction, and the horizontal pushing portion can move in the front-back direction;

[0033] The step of obtaining a plurality of control instructions and pushing the target truss segment forward with the single pushing distance includes:

[0034] Obtaining a jacking instruction to control the jacking parts of each walking jacking structure to move upward to jointly jack up the corresponding bearing frame and steel truss;

[0035] Obtaining a pushing instruction, and controlling the horizontal pushing portion of each walking-type pushing structure to move forward according to the single pushing distance, so as to jointly push the corresponding supporting frame and steel truss forward;

[0036] Obtaining a lifting instruction to control each lifting part of the lifting mechanism to move upward to lift the steel truss until it is separated from the bearing frame;

[0037] Obtaining a fall-back instruction to control the lifting portion of each walking-type pushing structure to move downward so that the supporting frame falls to the reaction seat;

[0038] Obtaining a reset instruction to control each reset part of the reset mechanism to drive the corresponding carrier to reset;

[0039] A secondary fall-back instruction is obtained to control the lifting parts of the lifting mechanism to move downward so as to place the lifted steel truss on the supporting frame.

[0040] Optionally, the steel truss integral continuous multi-point walking jacking construction device further comprises a plurality of movable lifting detection probes for respectively detecting the actual position parameters of each lifting part of the lifting mechanism and the node position parameters of the splicing nodes of the corresponding truss segments;

[0041] The step of obtaining a lifting instruction to control each lifting part of the lifting mechanism to move upward to lift the steel truss until it is separated from the supporting frame also includes:

[0042] Obtaining a lifting instruction, and controlling each of the lifting detection probes to detect actual position parameters of the corresponding lifting portion and node position parameters of the splicing nodes of the corresponding truss segments;

[0043] Obtaining actual position parameters of each of the lifting parts and position parameters of each of the nodes;

[0044] Calculating actual lateral displacement parameters and actual lifting parameters of each lifting part according to the actual position parameters of each lifting part and the position parameters of each node;

[0045] Controlling each of the lifting parts to move in a lateral direction according to actual lateral movement parameters of each of the lifting parts;

[0046] According to the actual lifting parameters of each lifting part, each lifting part is controlled to move upward.

[0047] Optionally, the steel truss integral continuous multi-point walking jacking construction device further includes a buckling mechanism, the buckling mechanism including a plurality of buckling parts respectively provided on the plurality of reset parts, each of the buckling parts being movably arranged to be able to buckle and fix the corresponding supporting frame;

[0048] The step of obtaining a reset instruction to control each reset part of the reset mechanism to drive the corresponding carrier to reset further includes:

[0049] Obtaining a reset instruction to control the movement of each latching portion of the latching mechanism so as to latch and fix the corresponding carrier;

[0050] Control each of the reset parts to drive the corresponding carrier to move backward to reset the single pushing distance.

[0051] In the technical solution of the present invention, the steel truss integral continuous multi-point walking jacking construction device includes a supporting mechanism, a bearing mechanism, multiple walking jacking mechanisms, a lifting mechanism and a reset mechanism; the supporting mechanism includes multiple supporting piers arranged in sequence from back to front, and the multiple supporting piers are used to be arranged for at least part of the truss segment respectively, and the top of each supporting pier is provided with a reaction seat; a bearing frame is movably provided at the top of the reaction seat, and the bearing frame respectively carries the corresponding truss segment, and the two bearing protrusions of the bearing frame respectively carry the two ends of the truss segment. A walking-type pushing mechanism is provided on the supporting pier, and the walking-type pushing mechanism is used to drive the bearing frame to move, so as to drive the steel truss to move forward a single pushing distance; the supporting pier is also provided with a lifting part, so that when the steel truss walks to the single pushing distance, it can move upward to lift the steel truss and separate it from the bearing frame; the supporting pier is also provided with a reset part, so that when the lifting part lifts the steel truss, it drives the corresponding bearing frame to move backward to reset the single pushing distance; that is, during the pushing process, the truss section is placed The truss frame is placed on the corresponding carrier frame, and the multiple walking-type pushing mechanisms jointly push the carrier frame and the truss segment forward for a single pushing distance. Each lifting part moves upward to lift the corresponding steel truss and separate it from the carrier frame. At this time, the multiple lifting parts jointly lift the steel truss, and the truss segments of the steel truss are separated from the corresponding carrier frame respectively. At the same time, the reset part drives the corresponding carrier frame to move backward for the single pushing distance to reset. This cycle is repeated to push the steel truss to the target position. This arrangement overcomes the problem of local knots in non-node positions of the truss segments. The problem of poor stress bearing capacity of the structure is solved, thereby reducing the light requirements for the steel truss; the bearing mechanism, multiple walking-type pushing mechanisms, the lifting mechanism and the reset mechanism are capable of improving the degree of automation of the overall continuous multi-point walking-type pushing construction device of the steel truss; and the walking-type pushing mechanism is capable of releasing the accumulated horizontal force on the top of the supporting pier during each pushing process, thereby preventing the top of the supporting pier from being subjected to excessive horizontal force, improving safety, and structures such as the bearing frame can be reused, thereby reducing resource waste and lowering costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0053] Figure 1 A structural schematic diagram of an embodiment of a steel truss integral continuous multi-point walking type jacking construction device provided by the present invention;

[0054] Figure 2 for Figure 1 Structural diagram of a single supporting pier in FIG;

[0055] Figure 3 for Figure 1 Structural diagram of a single truss segment in the jacking state;

[0056] Figure 4 for Figure 1 Structural diagram of a single truss segment in the lifting state;

[0057] Figure 5 for Figure 1 Structural diagram of a single truss segment in the reset state;

[0058] Figure 6 for Figure 1 Structural diagram of a single truss segment in the fallen state;

[0059] Figure 7 for Figure 1 Structural diagram of a single supporting pier (from another perspective);

[0060] Figure 8 A flow chart of a first embodiment of the method for continuous multi-point walking jacking construction of a steel truss provided by the present invention;

[0061] Figure 9 A flow chart of a second embodiment of the method for continuous multi-point walking jacking construction of a steel truss provided by the present invention;

[0062] Figure 10 A flow chart of a third embodiment of the method for continuous multi-point walking jacking construction of a steel truss provided by the present invention;

[0063] Figure 11 This is a flow chart of the fourth embodiment of the steel truss integral continuous multi-point walking jacking construction method provided by the present invention.

[0064] Description of the accompanying drawings of the embodiments provided by the present invention:

[0065]

[0066]

[0067] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments. DETAILED DESCRIPTION

[0068] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0069] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0070] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0071] Prior art jacking construction techniques for steel truss erection typically involve dragging or multi-point continuous jacking, where the steel trusses are pulled by jacking jacks to complete the erection. However, these jacking systems suffer from shortcomings such as excessive horizontal forces on the pier top, poor local structural stress on the steel trusses, and a low degree of automation.

[0072] In view of this, the present invention provides a steel truss integral continuous multi-point walking type jacking construction device and a construction device. Figures 1 to 7 This is a specific embodiment of the steel truss integral continuous multi-point walking type jacking construction device provided by the present invention; Figures 8 to 11 This is a specific embodiment of the steel truss integral continuous multi-point walking jacking construction method provided by the present invention.

[0073] See also Figures 1 to 7, a steel truss integral continuous multi-point walking-type pushing construction device 100, used for pushing a steel truss 200, the steel truss 200 includes a plurality of truss segments 201 assembled in sequence from back to front, the steel truss integral continuous multi-point walking-type pushing construction device 100 includes a supporting mechanism 1, a bearing mechanism 2, a plurality of walking-type pushing mechanisms 3, a lifting mechanism 4 and a resetting mechanism 5; the supporting mechanism 1 includes a plurality of supporting piers 11 arranged in sequence from back to front, the plurality of supporting piers 11 are used to respectively correspond to at least part of the truss segments 201, and the top of each supporting pier 11 is provided with a reaction seat 12; the bearing mechanism 2 includes a plurality of bearing frames 21 arranged corresponding to the plurality of supporting piers 11, each of the bearing frames 21 is movably arranged at the top of the reaction seat 12, and the bearing frames 21 are used to respectively carry the corresponding truss segments 201, and each of the bearing frames 21 is provided with two bearing protrusions 22, which are used At two splicing nodes that respectively carry corresponding truss segments 201; multiple said walking pushing mechanisms 3 are respectively provided on multiple said supporting piers 11, each said walking pushing mechanism 3 includes a pushing part that is driven and connected to the corresponding said supporting frame 21, and the pushing part is movably provided to drive the said supporting frame 21 to move, so as to jointly drive the steel truss 200 to move forward a single pushing distance; the said lifting mechanism 4 includes multiple lifting parts respectively provided on multiple said supporting piers 11, and each said lifting part can move in the up and down directions, so as to be able to move upward to lift the steel truss 200 away from the said supporting frame 21 when the steel truss 200 walks to the said single pushing distance; the said reset mechanism 5 includes multiple reset parts respectively provided on multiple said supporting piers 11, and each said reset part is movably provided to drive the corresponding said supporting frame 21 to move backward to reset the said single pushing distance when the said lifting part lifts the steel truss 200.

[0074] In the technical solution of the present invention, the steel truss integral continuous multi-point walking jacking construction device 100 includes a support mechanism 1, a bearing mechanism 2, a plurality of walking jacking mechanisms 33, a lifting mechanism 4 and a reset mechanism 5; the support mechanism 1 includes a plurality of support piers 11 arranged in sequence from back to front, and the plurality of support piers 11 are used to respectively correspond to at least part of the truss segment 201, and the top of each support pier 11 is provided with a reaction seat 12; a bearing frame 21 is movably provided at the top of the reaction seat 12, and the bearing frame 21 respectively carries the corresponding truss segment 201, and the two bearing protrusions 22 of the bearing frame 21 respectively carry Two splicing nodes of the truss segment 201; a walking-type pushing mechanism 3 is provided on the support pier 11, and the walking-type pushing mechanism 3 is used to drive the bearing frame 21 to move, so as to jointly drive the steel truss 200 to move forward a single pushing distance; the support pier 11 is also provided with a lifting portion, so that when the steel truss 200 walks to the single pushing distance, it can move upward to lift the steel truss 200 and separate from the bearing frame 21; the support pier 11 is also provided with a reset portion, so that when the lifting portion lifts the steel truss 200, it drives the corresponding bearing frame 21 to move backward to reset the single pushing distance; that is, during the pushing process , the truss segment 201 is placed on the corresponding carrier 21, and the multiple walking-type pushing mechanisms 3 jointly push the carrier 21 and the truss segment 201 forward for a single pushing distance, and each of the lifting parts moves upward to lift the corresponding steel truss 200 to separate from the carrier 21. At this time, the multiple lifting parts jointly lift the steel truss 200, and the truss segments 201 of the steel truss 200 are separated from the corresponding carrier 21 respectively. At the same time, the reset part drives the corresponding carrier 21 to move backward for the single pushing distance to reset; this cycle is repeated to push the steel truss 200 to the target position; this arrangement overcomes the problem of the truss segment 201 solves the problem of poor stress on the local structure at non-node positions, thereby reducing the light requirements on the steel truss 200; the supporting mechanism 2, the multiple walking-type pushing mechanisms 3, the lifting mechanism 4 and the resetting mechanism 5 are set up, which can improve the degree of automation of the overall continuous multi-point walking-type pushing construction device 100 of the steel truss; and the walking-type pushing mechanism 3 is set up to release the accumulated horizontal force on the top of the supporting pier 11 during each pushing process, so as to avoid the top of the supporting pier 11 from being subjected to excessive horizontal force, thereby improving safety, and structures such as the supporting frame 21 can be reused, thereby reducing resource waste and reducing costs.

[0075] In the present invention, the steel truss integral continuous multi-point walking jacking construction device 100 also includes a driving device, the driving device includes a lifting driving assembly, the lifting driving assembly includes a lifting driving part that can move in the up and down directions, and the lifting driving part is driven and connected to the corresponding lifting part.

[0076] In the present invention, the steel truss integral continuous multi-point walking jacking construction device 100 also includes a driving device, the driving device includes a reset driving assembly, the reset driving assembly includes a movably arranged reset driving part, and the reset driving part is driven and connected to the corresponding reset part.

[0077] It should be noted that the above two technical features can be set selectively or simultaneously. Specifically, in this embodiment, the above two technical features are set simultaneously, that is, the steel truss integral continuous multi-point walking type jacking construction device 100 also includes a driving device, and the driving device includes a lifting driving assembly and a reset driving assembly. The lifting driving assembly includes a lifting driving part that can move in the up and down directions, and the lifting driving part is driven and connected to the corresponding lifting part; the reset driving assembly includes a movably set reset driving part, and the reset driving part is driven and connected to the corresponding reset part; the structure is simple and the cost is low.

[0078] In the present invention, please refer to Figure 4 , the lifting mechanism 4 includes a plurality of lifting components 41 respectively provided on the plurality of supporting piers 11, each of the lifting components 41 includes a transverse frame 411 and a lifting block 412; the transverse frame 411 is provided at the top of the supporting pier 11, and can move in the front-back direction so as to be able to move to correspond to the splicing node of the truss segment 201; the lifting block 412 is provided on the transverse frame 411, and the lifting block 412 can move in the up-down direction, and in its movable stroke, the lifting block 412 has a lifting position and a falling position, and an avoidance groove 413 is provided at the top of the lifting block 412, and the avoidance groove 413 is provided through the front-back upward to accommodate the carrier 21; wherein, the lifting portion includes the lifting block 4 12; in the lifting position, the top of the lifting block 412 is higher than the carrier frame 21, so as to lift the steel truss 200 off the carrier frame 21; in the falling position, the top of the lifting block 412 is lower than the carrier frame 21, so as to enable the lifted steel truss 200 to be placed on the carrier frame 21; that is, after the multiple walking-type pushing mechanisms 3 jointly push the carrier frame 21 and the truss segment 201 forward for a single pushing distance, the transverse frame 411 drives the lifting block 412 to move to a position corresponding to the splicing node of the truss segment 201, and the lifting block 412 moves upward to lift the steel truss 200 off the carrier frame 21, so that the carrier frame 21 can be reset.

[0079] Specifically, the lifting component 41 also includes a plurality of lifting detection probes, a lifting drive structure and a controller; the plurality of lifting detection probes are movably arranged on the supporting pier 11, for respectively detecting the actual position parameters of each lifting part of the lifting mechanism 4, and the node position parameters of the splicing node of the corresponding truss segment 201; the lifting drive structure is arranged on the supporting pier 11, and includes a movably arranged transverse drive part and a longitudinal drive part, the transverse drive part drives the connection to the transverse frame 411, and the longitudinal drive part drives the connection to the lifting block 412; the controller is electrically connected to the plurality of lifting detection probes, the transverse drive part and the longitudinal drive part, for controlling the position of the splicing node of the truss segment 201 to be moved by the transverse drive part when the plurality of lifting detection probes detect the actual position parameters of each lifting part of the lifting mechanism 4, and the node position parameters of the splicing node of the corresponding truss segment 201, and at the same time controlling the longitudinal drive part to drive the lifting block 412 to move up to the lifting position.

[0080] In order to ensure the stability of the movement of the bearing frame 21, the reaction seat 12 includes four columns 121. The four columns 121 are arranged at the top of the support pier 11 and corresponding to the four corners of the support pier 11 to support the corresponding bearing frame 21; the steel truss integral continuous multi-point walking jacking construction device 100 also includes a guide mechanism 13, and the guide mechanism 13 includes a sliding guide groove and a guide block. The guide groove is arranged at the bottom of the bearing frame 21, and the guide groove extends in the front and rear directions. The guide block is arranged at the top of the column 121; the guide mechanism 13 is arranged to make each bearing frame 21 stable in movement.

[0081] Please see further Figure 5 , the support pier 11 has a first side end in the left and right directions; the reset mechanism 5 includes a plurality of reset plates 51 respectively provided on the plurality of support piers 11, each of the reset plates 51 is provided on the first side end and can move in the front-back direction; the steel truss integral continuous multi-point walking type jacking construction device 100 also includes a buckling mechanism 52, the buckling mechanism 52 includes a plurality of buckling parts 521 corresponding to the plurality of reset plates 51, each of the buckling parts 521 is movably provided to be able to approach and move away from the carrier frame 21 to buckle correspondingly Fix and release the carrier frame 21; wherein, the reset portion includes the reset plate 51; that is, after the lifting block 412 moves to the lifting steel truss 200 to separate from the carrier frame 21, the holding portion 521 moves close to the corresponding carrier frame 21 to hold and fix the carrier frame 21. After the holding portion 521 holds and fixes the corresponding carrier frame 21, the reset plate 51 moves backward by the single pushing distance to drive the carrier frame 21 to reset, thereby realizing the reset of the carrier frame 21.

[0082] In the present invention, the walking-type pushing mechanism 3 includes two walking-type pushing structures provided at the top end of the supporting pier 11, and the two walking-type pushing structures are spaced apart in the left and right directions; the walking-type pushing structure includes a lifting part and a horizontal pushing part, and the lifting part can move in the up and down directions. In its moving stroke, the lifting part has a lifting position for lifting the supporting frame 21 to separate it from the reaction seat 12, and a lowering position for lowering the supporting frame 21 to the reaction seat 12. The horizontal pushing part is drivingly connected to the supporting frame 21, and the horizontal pushing part can move in the front and back directions to push the supporting frame 21 forward when the lifting part moves to the lifting position, so as to jointly drive the steel truss 200 to move forward the single pushing distance; wherein, the pushing part includes the lifting part and the horizontal pushing part; continuous pushing of the steel truss 200 is achieved by setting the walking-type pushing mechanism 3.

[0083] The present invention further provides a method for the construction of a steel truss integral continuous multi-point walking-type jacking construction based on the above-mentioned steel truss integral continuous multi-point walking-type jacking construction device 100 .

[0084] See also Figure 8 , Figure 8 This is a flow chart of the first embodiment of the steel truss integral continuous multi-point walking jacking construction method provided by the present invention.

[0085] The steps of the steel truss integral continuous multi-point walking jacking construction method include:

[0086] S10: Obtain the length parameter of the target truss segment;

[0087] S20: Calculating a single pushing distance and number of pushing times according to the length parameter;

[0088] S30: Acquire multiple control instructions, and push the target truss segment forward with the single pushing distance;

[0089] S40: Repeat the above steps for the number of pushing times until the target truss segment moves to the target position.

[0090] In this embodiment, the single pushing distance and the number of pushing times are calculated based on the length parameters of the truss segment 201; the steel truss 200 is pushed forward word by word by simultaneously moving multiple truss segments 201 forward the single pushing distance, and the above steps are repeated with the number of pushing times until the target truss segment 201 moves to the target position; in this way, the safety of the overall continuous multi-point walking pushing construction of the steel truss 200 can be improved.

[0091] See also Figure 9 , Figure 9This is a flow chart of the second embodiment of the steel truss integral continuous multi-point walking jacking construction method provided by the present invention.

[0092] The steel truss integral continuous multi-point walking jacking construction device 100 includes a plurality of walking jacking mechanisms 33, each of which includes a walking jacking structure, which includes a lifting portion and a horizontal pushing portion. The lifting portion can move in the vertical direction, and the horizontal pushing portion can move in the front-rear direction.

[0093] The step S30 of acquiring multiple control instructions and pushing the target truss segment forward with the single pushing distance includes:

[0094] S310: Obtaining a jacking instruction to control the jacking parts of each walking jacking structure to move upward to jointly jack up the corresponding bearing frame and steel truss;

[0095] S320: Obtaining a pushing instruction, controlling the horizontal pushing portion of each walking-type pushing structure to move forward according to the single pushing distance, so as to jointly push the corresponding supporting frame and steel truss forward;

[0096] S330: Obtaining a lifting instruction to control each lifting part of the lifting mechanism to move upward to lift the steel truss until it is separated from the bearing frame;

[0097] S340: Obtaining a fall-back instruction to control the lifting portion of each walking-type pushing structure to move downward, so that the supporting frame falls to the reaction seat;

[0098] S350: Obtaining a reset instruction to control each reset part of the reset mechanism to drive the corresponding carrier to reset;

[0099] S360: Obtain a secondary fall-back instruction to control the lifting parts of the lifting mechanism to move downward to place the lifted steel truss on the supporting frame.

[0100] In this embodiment, that is to say, during the pushing process, the truss segment 201 is placed on the corresponding carrier 21, and the multiple walking-type pushing mechanisms 3 jointly push the carrier 21 and the truss segment 201 forward for a single pushing distance, and each of the lifting parts moves upward to lift the corresponding steel truss 200 to separate from the carrier 21. At this time, the multiple lifting parts jointly lift the steel truss 200, and the truss segments 201 of the steel truss 200 are respectively separated from the corresponding carrier 21. At the same time, the reset part drives the corresponding carrier 21 to move backward for the single pushing distance to reset; this cycle is repeated to push the steel truss 200 to the target position; The setting overcomes the problem of poor stress on the local structure of the truss segment 201 at non-node positions, thereby reducing the light requirements on the steel truss 200; the setting of the bearing mechanism 2, the multiple walking-type pushing mechanisms 3, the lifting mechanism 4 and the resetting mechanism 5 can improve the degree of automation of the overall continuous multi-point walking-type pushing construction device 100 of the steel truss; and the setting of the walking-type pushing mechanism 3 can release the accumulated horizontal force on the top of the supporting pier 11 during each pushing process, thereby avoiding the top of the supporting pier 11 from being subjected to excessive horizontal force, improving safety, and structures such as the bearing frame 21 can be reused, reducing resource waste and reducing costs.

[0101] See also Figure 10 , Figure 10 This is a flow chart of the third embodiment of the steel truss integral continuous multi-point walking jacking construction method provided by the present invention.

[0102] The steel truss integral continuous multi-point walking jacking construction device 100 further includes a plurality of movable lifting detection probes for respectively detecting the actual position parameters of each lifting portion of the lifting mechanism 4 and the node position parameters of the splicing nodes of the corresponding truss segments 201;

[0103] The step S330 of obtaining a lifting instruction to control each lifting part of the lifting mechanism to move upward to lift the steel truss until it is separated from the supporting frame further includes:

[0104] S331: Obtaining a lifting instruction, and controlling each lifting detection probe to detect actual position parameters of the corresponding lifting portion and node position parameters of the splicing node of the corresponding truss segment;

[0105] S332: Acquire actual position parameters of each lifting part and position parameters of each node;

[0106] S333: Calculating actual lateral displacement parameters and actual lifting parameters of each lifting part according to the actual position parameters of each lifting part and the position parameters of each node;

[0107] S334: Controlling each of the lifting parts to move in the lateral direction according to the actual lateral movement parameters of each of the lifting parts;

[0108] S335: Control each of the lifting parts to move upward according to actual lifting parameters of each of the lifting parts.

[0109] In this embodiment, the lifting assembly 41 also includes a plurality of lifting detection probes, a lifting drive structure and a controller; the plurality of lifting detection probes are movably arranged on the supporting pier 11, for respectively correspondingly detecting the actual position parameters of each lifting part of the lifting mechanism 4, and the node position parameters of the splicing nodes of the corresponding truss segments 201; the lifting drive structure is arranged on the supporting pier 11, and includes a movably arranged transverse drive part and a longitudinal drive part, the transverse drive part drives the connection to the transverse frame 411, and the longitudinal drive part drives the connection to the transverse frame 411. connected to the lifting block 412; the controller is electrically connected to the multiple lifting detection probes, the transverse drive unit and the longitudinal drive unit, and is used to control the position of the splicing node of the movable truss segment 201 of the transverse drive unit when the multiple lifting detection probes detect the actual position parameters of each lifting part of the lifting mechanism 4 and the node position parameters of the splicing node of the corresponding truss segment 201, and at the same time control the longitudinal drive unit to drive the lifting block 412 to move up to the lifting position, so as to achieve the lifting of the truss segment 201.

[0110] See also Figure 11 , Figure 11 This is a flow chart of the fourth embodiment of the steel truss integral continuous multi-point walking jacking construction method provided by the present invention.

[0111] The steel truss integral continuous multi-point walking jacking construction device 100 further includes a holding mechanism 52, which includes a plurality of holding portions 521 respectively provided on the plurality of reset portions. Each holding portion 521 is movably provided to hold and fix the corresponding supporting frame 21.

[0112] The step S350 of obtaining a reset instruction to control each reset part of the reset mechanism to drive the corresponding carrier to reset further includes:

[0113] S351: Obtaining a reset instruction to control the movement of each latching portion of the latching mechanism so as to latch and fix the corresponding carrier;

[0114] S352: Control each of the reset parts to drive the corresponding support frame to move backward to reset the single pushing distance.

[0115] In this embodiment, after the lifting block 412 moves to lift the steel truss 200 and detaches from the support frame 21, the holding portion 521 moves close to the corresponding support frame 21 to hold and fix the support frame 21. After the holding portion 521 holds and fixes the corresponding support frame 21, the reset plate 51 moves backward by the single pushing distance to drive the support frame 21 to reset, thereby achieving the reset of the support frame 21.

[0116] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention description and drawings under the concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A method for continuous multi-point walking-type jacking construction of a steel truss, characterized in that: The method for constructing a continuous multi-point walking-type jacking of a steel truss as a whole comprises a continuous multi-point walking-type jacking construction device for a steel truss as a whole; The steel truss integral continuous multi-point walking type jacking construction device is used for jacking a steel truss. The steel truss comprises a plurality of truss segments assembled sequentially from back to front. The steel truss integral continuous multi-point walking type jacking construction device comprises: The support mechanism includes a plurality of support piers spaced apart from each other from the back to the front, the plurality of support piers being used to correspond to at least a portion of the truss segments, and a reaction seat being provided at the top of each support pier; The bearing mechanism includes a plurality of bearing frames provided corresponding to the plurality of support piers, each of the bearing frames being movably provided at the top of the reaction seat, the bearing frames being used to respectively carry the corresponding truss segments, and each of the bearing frames being provided with two bearing protrusions for respectively carrying the two splicing nodes of the corresponding truss segments; A plurality of walking-type pushing mechanisms are respectively provided on the plurality of the supporting piers, each of the walking-type pushing mechanisms includes a pushing portion drivingly connected to the corresponding supporting frame, the pushing portion being movably arranged to drive the supporting frame to move, thereby jointly driving the steel truss to move forward a single pushing distance; The lifting mechanism includes a plurality of lifting parts respectively provided on the plurality of the supporting piers, each of the lifting parts being movable in an up-down direction so as to lift the steel truss away from the bearing frame when the steel truss reaches the single pushing distance; and The reset mechanism includes a plurality of reset parts respectively provided on the plurality of the support piers, each reset part being movably provided to drive the corresponding support frame to move backward by the single pushing distance to reset when the lifting part lifts the steel truss; The lifting mechanism includes a plurality of lifting components separately provided on a plurality of the supporting piers, and each of the lifting components includes: A transverse frame, provided at the top of the supporting pier, movable in the front-back direction so as to correspond to the splicing node of the truss segment; and A lifting block is provided on the transverse frame, the lifting block can move in the up and down directions, and in its movable range, the lifting block has a lifting position and a falling position, and an avoidance groove is provided on the top of the lifting block, and the avoidance groove is provided through the front and rear upwards to accommodate the carrying frame; Wherein, the lifting portion includes the lifting block; In the lifting position, the top of the lifting block is higher than the carrier frame, so as to lift the steel truss off the carrier frame; in the falling position, the top of the lifting block is lower than the carrier frame, so as to allow the lifted steel truss to be placed on the carrier frame; The supporting pier has a first side end in the left and right directions; The reset mechanism includes a plurality of reset plates respectively provided on the plurality of support piers, each reset plate being provided at the first side end and movable in the front-rear direction; The steel truss integral continuous multi-point walking jacking construction device further includes a holding mechanism, the holding mechanism including a plurality of holding portions correspondingly provided on the plurality of reset plates, each of the holding portions being movably arranged to be able to approach and move away from the supporting frame to correspondingly hold, fix, and release the supporting frame; Wherein, the reset portion includes the reset plate; The steps of the steel truss integral continuous multi-point walking jacking construction method include: Get the length parameters of the target truss segment; Calculate the single push distance and push times according to the length parameter; Acquire multiple control instructions to push the target truss segment forward with the single pushing distance; Repeat the above steps for the number of pushing times until the target truss segment moves to the target position; The steel truss integral continuous multi-point walking-type jacking construction device comprises a plurality of walking-type jacking mechanisms, each of which comprises a walking-type jacking structure, and the walking-type jacking structure comprises a jacking portion and a horizontal pushing portion, wherein the jacking portion can move in an up-down direction, and the horizontal pushing portion can move in a forward-backward direction; The step of obtaining multiple control instructions and pushing the target truss segment forward with the single pushing distance includes: Obtaining a jacking instruction to control the jacking parts of each walking jacking structure to move upward to jointly jack up the corresponding bearing frame and steel truss; Obtaining a pushing instruction, and controlling the horizontal pushing portion of each walking-type pushing structure to move forward according to the single pushing distance, so as to jointly push the corresponding supporting frame and steel truss forward; Obtaining a lifting instruction to control each lifting part of the lifting mechanism to move upward to lift the steel truss until it is separated from the bearing frame; Obtaining a fall-back instruction to control the lifting portion of each walking-type pushing structure to move downward so that the supporting frame falls to the reaction seat; Obtaining a reset instruction to control each reset part of the reset mechanism to drive the corresponding carrier to reset; A secondary fall-back instruction is obtained to control the lifting parts of the lifting mechanism to move downward so as to place the lifted steel truss on the supporting frame.

2. The method for continuous multi-point walking jacking construction of a steel truss as a whole according to claim 1 is characterized in that: The steel truss integral continuous multi-point walking type jacking construction device further includes a driving device, which includes a lifting driving assembly and / or a resetting driving assembly, wherein: The lifting drive assembly includes a lifting drive portion movable in an up-down direction, and the lifting drive portion is drivingly connected to the corresponding lifting portion; The reset drive assembly includes a movable reset drive portion, which is drivingly connected to the corresponding reset portion.

3. The method for continuous multi-point walking jacking construction of a steel truss as a whole according to claim 1 is characterized in that: The reaction seat includes four columns, which are arranged on the top of the support pier and corresponding to the four corners of the support pier to support the corresponding bearing frame; The steel truss integral continuous multi-point walking jacking construction device also includes a guide mechanism, which includes a sliding guide groove and a guide block. The guide groove is arranged at the bottom of the supporting frame, and the guide groove extends in the front and rear directions. The guide block is arranged at the top of the column.

4. The method for continuous multi-point walking jacking construction of a steel truss as a whole according to claim 1 is characterized in that: The walking-type pushing mechanism includes two walking-type pushing structures provided at the top of the supporting pier, and the two walking-type pushing structures are spaced apart and arranged upwardly on the left and right sides; The walking-type pushing structure includes a lifting part and a horizontal pushing part, the lifting part can move in the up-down direction, and in its moving stroke, the lifting part has a lifting position for lifting the carrier frame to separate it from the reaction seat, and a lowering position for lowering the carrier frame to the reaction seat, the horizontal pushing part is drivingly connected to the carrier frame, and the horizontal pushing part can move in the front-back direction, so as to push the carrier frame forward when the lifting part moves to the lifting position, so as to drive the steel truss forward to travel the single pushing distance; Wherein, the pushing portion includes the lifting portion and the horizontal pushing portion.

5. The method for continuous multi-point walking jacking construction of a steel truss as described in claim 1 is characterized in that: The steel truss integral continuous multi-point walking jacking construction device further includes a plurality of movable lifting detection probes for respectively detecting the actual position parameters of each lifting part of the lifting mechanism and the node position parameters of the splicing nodes of the corresponding truss segments; The step of obtaining a lifting instruction to control each lifting part of the lifting mechanism to move upward to lift the steel truss until it is separated from the supporting frame also includes: Obtaining a lifting instruction, and controlling each of the lifting detection probes to detect actual position parameters of the corresponding lifting portion and node position parameters of the splicing nodes of the corresponding truss segments; Obtaining actual position parameters of each of the lifting parts and position parameters of each of the nodes; Calculating actual lateral displacement parameters and actual lifting parameters of each lifting part according to the actual position parameters of each lifting part and the position parameters of each node; Controlling each of the lifting parts to move in a lateral direction according to actual lateral movement parameters of each of the lifting parts; According to the actual lifting parameters of each lifting part, each lifting part is controlled to move upward.

6. The method for continuous multi-point walking jacking construction of a steel truss as described in claim 1 is characterized in that: The steel truss integral continuous multi-point walking jacking construction device further includes a holding mechanism, the holding mechanism including a plurality of holding parts respectively provided on the plurality of the reset parts, each holding part being movably arranged to be able to hold and fix the corresponding supporting frame; The step of obtaining a reset instruction to control each reset part of the reset mechanism to drive the corresponding carrier to reset further includes: Obtaining a reset instruction to control the movement of each latching portion of the latching mechanism so as to latch and fix the corresponding carrier; Control each of the reset parts to drive the corresponding carrier to move backward to reset the single pushing distance.

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