Double-layer large-span truss integrated small unit assembling mechanism and method

Abstract

The invention relates to the technical field of truss positioning devices, in particular to a double-layer large-span truss integrated small unit assembling mechanism and method. Comprising vertical frames, sliding rails are arranged on the two sides and the middle of each vertical frame, and the multiple vertical frames are spliced end to end to form a supporting jig frame; the guide assemblies are arranged on the sliding rails on the two sides of the vertical frame in pairs, and the two guide assemblies can form a V-shaped limiting channel and are used for guiding the truss to be aligned; the supporting assemblies are arranged on the sliding rails in the middle of the vertical frame in pairs, and locking pieces in butt joint with the guiding assemblies are arranged below the supporting assemblies; through cooperation of the supporting assembly and the guiding assembly, in the hoisting and falling process of the truss, the truss is rapidly guided to reach the designated position through guiding correction, the alignment time is effectively shortened, and the construction difficulty is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of truss positioning devices, and in particular to an integrated small unit assembly mechanism and method for a double-layer large-span truss. Background Art

[0002] With the development of construction engineering, the application of steel structures in the construction process is becoming more and more extensive. For exhibition centers that require a larger space, the traditional casting method is no longer applicable. For this, steel structure trusses are usually overlapped and connected with the supporting structure and the large-span trusses, which can retain a relatively open space inside and meet the safety requirements of strength and rigidity.

[0003] At present, for the erection of trusses, the whole truss is usually divided into multiple sections, which are suspended by a crane on a pre-erected frame, and then hoisted, aligned, welded and installed in sequence to fix the entire truss. However, in the actual construction process, the most difficult and time-consuming operation is the alignment stage. After the truss is placed on the frame, it cannot be guaranteed that it can accurately fall into the specified position. Therefore, it is necessary to frequently install hydraulic devices to perform jacking operations in all directions, which is time-consuming and labor-intensive, and involves a large number of operators, requiring strong coordination to complete, which greatly prolongs the overall construction period and increases the construction cost. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide an integrated small-unit assembly mechanism for a double-layer large-span truss in response to the above-mentioned technical deficiencies. Through the coordinated cooperation of the support assembly and the guide assembly, during the process of hoisting and lowering the truss, the guide correction is utilized to quickly guide the truss to the specified position, thereby effectively shortening the alignment time and reducing the construction difficulty.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention includes: A vertical frame, wherein sliding tracks are provided on both sides and the middle of the vertical frame, and a plurality of the vertical frames are spliced ​​end to end to form a supporting tire frame; Guide components, the guide components are arranged in pairs on the sliding tracks on both sides of the frame, and the two guide components can form a V-shaped limiting channel for guiding the truss to align; The support components are arranged in pairs on the sliding track in the middle of the stand, and a locking piece that docks with the guide component is provided below the support components.

[0006] Preferably, the guide assembly includes a mounting frame, a movable plate and a guide plate; the mounting frame is symmetrically provided with sliders connected to the sliding rail, the front and rear of the mounting frame are symmetrically provided with transmission screws, and a clamping plate is provided under the mounting frame; the movable plate is threadedly connected to the transmission screw, and at least one first hydraulic cylinder connected to the guide plate is provided on the movable plate; the guide plate is respectively connected to the movable plate and the first hydraulic cylinder by a rotating shaft.

[0007] Preferably, a brake plate in contact with the surface of the stand is provided at the slider.

[0008] Preferably, a locking plate in contact with the moving plate is provided at the brake plate.

[0009] Preferably, the support assembly includes a support plate and a vertical plate; both sides of the support plate are connected to the sliding rails, and an auxiliary push assembly is provided in the middle of the support plate; the vertical plate is connected to the auxiliary push assembly, a second hydraulic cylinder is symmetrically provided above the vertical plate, and a support plate is provided at the end of the second hydraulic cylinder, and a special-shaped part is provided below the vertical plate.

[0010] Preferably, the auxiliary push assembly includes a box body, a pry plate and a stabilizing member; roller tracks connected to the bottom of the vertical plate are symmetrically arranged above the box body, and two groups of third hydraulic cylinders are arranged below; both ends of the pry plate are respectively connected to the box body through stabilizing members, and a sliding push surface and a toothed strip located in the middle are respectively arranged above the pry plate, and both ends of the bottom of the pry plate are respectively slidably connected to the third hydraulic cylinders.

[0011] Preferably, the special-shaped part is in an "eight" shape, and circular protrusions are provided at the two lower ends, and a tooth plate that is engaged with the toothed strip is provided in the middle of the special-shaped part.

[0012] Preferably, two adjusting rods are symmetrically provided below the pry plate, and a toggle member is provided on the adjusting rods.

[0013] Preferably, the locking member includes a sliding rod, a driven rod and a fourth hydraulic cylinder; the sliding rod is slidably connected to the bottom of the support assembly, one end of which is provided with a clamping head, and the other end of which is provided with a trigger spring connected to one end of the driven rod; the other end of the driven rod is provided with a side thrust head; the fourth hydraulic cylinder is provided with an active thrust block that contacts the side thrust head.

[0014] Preferably, a driving motor is symmetrically provided on the supporting assembly, and a first gear is provided on the driving motor; a rack meshingly connected to the first gear is provided above the sliding track in the middle.

[0015] Compared with the prior art, the present invention has the following advantages: During the process of hoisting the truss by the crane, the guiding assembly and the supporting assembly cooperate with each other. During the truss descent, the gravity of the truss itself can be used to guide and correct the truss, thereby effectively shortening the alignment time and improving the construction efficiency. In the subsequent truss correction process, the data of the previous truss can be used as a reference to complete the correction and docking, which is more efficient and stable. The design of the vertical frame forms a support frame for lifting after splicing. The guide assembly can move to the next vertical frame under the drive of the support assembly, thereby completing the migration of the truss guide mechanism and realizing section-by-section operation without the need for new installation and splicing, which greatly shortens the preparation time; The guide components can adjust the distance width as needed, so that they can be adjusted accordingly according to the specifications of the truss and the inclination in the suspended state, effectively improving the applicability and meeting the correction requirements in different situations; The design of the auxiliary push component can play a role in positioning the vertical plate when docking with the truss. During the process of guiding the correction, the limit can be released according to the tilt direction, and the corresponding thrust force of the vertical plate can be generated to assist the displacement of the vertical plate, thereby improving the flexibility of displacement and the correction speed, and avoiding friction damage between the truss and the vertical plate; By driving the first gear and the rack to cooperate with each other through the driving motor, the longitudinal position of the support assembly can be adjusted to facilitate docking with the truss. At the same time, after the next truss is corrected, the splicing between the two sections can be achieved through longitudinal adjustment, which greatly improves the operability; The locking part is in a storage state when not in operation, and will not interfere with or collide with the stand during the displacement of the following support assembly. When necessary, it will dock with the clamping plate, so that during the longitudinal displacement, the guide assembly is driven to move synchronously to achieve the operation of displacement to the next stand without disassembly, thus shortening the intermediate preparation time. When the guide plate of the guide assembly is in a straight state, it can play a supporting role when the truss moves toward the supporting structure, so that the overall migration of the truss can be achieved by using hydraulic walking equipment. It can be effectively combined with the existing installation process and can be used as a welding work platform for the staff during the welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of a double-layer large-span truss integrated small unit assembly mechanism; Figure 2 It is a schematic diagram of the guiding state of the guiding component; Figure 3 The schematic diagram of the guiding component structure is shown in FIG. Figure 4 It is a schematic diagram of the sliding state of the moving plate; Figure 5 is a schematic diagram of the mounting frame structure; Figure 6This is a schematic diagram of the installation position of the locking plate; Figure 7 Schematic diagram of the brake plate position; Figure 8 It is a schematic diagram of the supporting component structure; Fig. 9 This is a schematic diagram of the interior of the auxiliary thrust component; Fig.10 This is a schematic diagram of the auxiliary thrust component structure; Fig.11 This is a schematic diagram of the auxiliary thrust assembly from a top view; Fig.12 This is a schematic diagram of the skid plate structure; Fig.13 It is a schematic diagram of the internal structure of the stabilizing member; Fig.14 This is a schematic diagram of the liquid supply pipeline for the stabilizer; Fig.15 It is a schematic diagram of the locking part structure; Fig.16 This is a schematic diagram of the frame structure; Fig.17 is a schematic diagram of the support plate structure; Fig.18 This is a schematic diagram of the stand assembly status.

[0017] In the figure: 1, stand; 2, guide assembly; 3, support assembly; 4, locking member; 5, auxiliary push assembly; 6, stabilizing member; 7, driving motor; 8, first spring; 101, sliding track; 102, rack; 201, mounting frame; 202, moving plate; 203, guide plate; 204, slider; 205, transmission screw; 206, clamping plate; 207, first hydraulic cylinder; 208, brake plate; 209, locking plate; 301, support plate; 302, stand plate; 303, second hydraulic cylinder; 304, support plate; 305, special-shaped member; 306, round convex head; 307, tooth plate; 401, Slide rod; 402, driven rod; 403, fourth hydraulic cylinder; 404, clamping head; 405, trigger spring; 406, side push head; 407, active push block; 501, box body; 502, pry plate; 503, roller track; 504, third hydraulic cylinder; 505, sliding push surface; 506, toothed strip; 507, adjusting rod; 508, toggle member; 601, cylinder body; 602, internal push rod; 603, reset spring; 604, pull rope; 605, solenoid valve; 606, pressure stabilizing capsule; 701, first gear; 801, first volume chamber; 802, second volume chamber; 803, second spring. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.

[0019] Specific implementation method 1: Combination Figure 1-18 As shown, a double-layer large-span truss integrated small unit assembly mechanism includes: a frame 1, sliding rails 101 are provided on both sides and the middle of the frame 1, and multiple frames 1 are spliced ​​end to end to form a supporting frame for placing the truss; a guide assembly 2, the guide assemblies 2 are arranged in pairs on the sliding rails 101 located on both sides of the frame 1, and the two guide assemblies 2 can form a V-shaped limiting channel for guiding the truss to align; a support assembly 3, the support assemblies 3 are arranged in pairs on the sliding rails 101 in the middle of the frame 1, and a locking member 4 docking with the guide assembly 2 is provided under the support assembly 3. After the locking member 4 is docked with the guide assembly 2, it can drive the guide assembly 2 to move synchronously during the displacement of the support assembly 3, so as to migrate to the next frame 1 for operation.

[0020] A preferred embodiment, combined with Figure 1-4 As shown, the guide assembly 2 includes a mounting frame 201, a movable plate 202 and a guide plate 203; a plurality of sliders 204 are welded below the mounting frame 201, and the sliders 204 are arranged at the front and rear of the mounting frame 201 to provide stable support, and a transmission screw 205 is symmetrically arranged at the front and rear of the upper position of the mounting frame 201, and one end of the transmission screw 205 is connected to a power motor for driving the transmission screw 205 to rotate, and a clamping plate 206 is welded below the middle area of ​​the mounting frame 201, and the clamping plate 206 extends toward the direction of the support assembly 3, and has a plurality of clamping grooves on the side; a plurality of legs are provided below the movable plate 202 The support foot is threadedly connected to the transmission screw 205, and the movable plate 202 is provided with at least one first hydraulic cylinder 207 connected to the guide plate 203, and the middle area of ​​the movable plate 202 has a downwardly recessed structure, which provides an installation position for the first hydraulic cylinder 207 and reserves the space required for the guide plate 203 to flip; the guide plate 203 is connected to the movable plate 202 by a rotating shaft at the bottom, and is connected to the first hydraulic cylinder 207 by a rotating shaft on the left side; according to the width specification of the truss and the tilt state on the support assembly 3, the tilt angle and horizontal position of the guide plates 203 on the left and right sides can be adjusted accordingly to suit different correction situations.

[0021] A preferred embodiment, combined with Figure 5As shown, a brake plate 208 in contact with the surface of the stand 1 is provided in the middle position of the two sliders 204. The brake plate 208 can extend from the surface and contact with the surface of the stand 1. The friction force generated by the compression is used to position the mounting frame 201, thereby ensuring the stability of the mounting frame 201 during the correction process.

[0022] A preferred embodiment, in combination with Figure 6 As shown, in order to reduce the pushing force of the transmission screw 205 during the correction guide process and prevent damage to the thread, a locking plate 209 in contact with the movable plate 202 is provided in the area at the brake plate 208, that is, below the transmission screw 205. The locking plate 209 extends upward in the working state and contacts with the support foot to achieve auxiliary positioning of the support foot and reduce the force intensity at the thread.

[0023] A preferred embodiment, in combination with Figure 8 and Fig.10 As shown, the support assembly 3 includes a support plate 301 and a vertical plate 302; both sides of the support plate 301 are connected to the sliding rails 101, and an auxiliary thrust assembly 5 is provided in the middle of the support plate 301; the lower part of the vertical plate 302 is connected to the auxiliary thrust assembly 5, and two second hydraulic cylinders 303 are symmetrically installed above the vertical plate 302, and a support plate 304 is fixed at the end of the second hydraulic cylinder 303, and a special-shaped part 305 is welded below the vertical plate 302; when the crane suspends the truss, the support plate 304 is extended to contact the truss to play the bottom support, and at the same time, when descending and correcting, the auxiliary thrust assembly 5 releases the limit on the special-shaped part 305, and at the same time applies a squeezing force to the special-shaped part 305 to form a lateral thrust, which assists in guiding the vertical plate 302 to move synchronously with the truss to avoid friction damage between the support plate 304 and the truss.

[0024] A preferred embodiment, in combination with Figure 5-12As shown, the auxiliary push assembly 5 includes a box body 501, a pry plate 502 and a stabilizing member 6; a roller track 503 connected to the bottom of the vertical plate 302 is symmetrically arranged above the box body 501, and a plurality of cylindrical rollers are arranged inside to reduce the resistance during the displacement of the vertical plate 302. At the same time, a plurality of third hydraulic cylinders 504 are arranged in the bottom area of ​​the box body 501, and each pry plate 502 has one at each end. The two ends of the pry plate 502 are connected to the box body 501 through the stabilizing member 6 respectively. The stabilizing member 6 can position one end of the pry plate 502, or extend a distance, so that the pry plate 502 forms an inclined state, and the pry plate 502 has a sliding push surface 505 and a third hydraulic cylinder 504 located on the sliding push surface. The toothed strip 506 at the middle of 505 and the two ends below the pry plate 502 are respectively slidably connected to the third hydraulic cylinder 504. When the pry plate 502 is in a horizontal state, the sliding push surface 505 contacts the special-shaped part 305 to achieve support, and the special-shaped part 305 is engaged with the toothed strip 506 to achieve positioning of the vertical plate 302. When the pry plate 502 is tilted, the sliding push surface 505 maintains contact with the special-shaped part 305 and is out of contact with the toothed strip 506, thereby achieving the driven displacement of the vertical plate 302. The third hydraulic cylinder 504 is used to push the pry plate 502 to tilt, which can form a prying, squeezing and side pushing of the special-shaped part 305, thereby assisting the vertical plate 302 in adjusting the displacement.

[0025] A preferred embodiment, in combination with Fig.10 As shown, the special-shaped part 305 is in the shape of an "eight", and circular protrusions 306 are provided at the two ends below. When the pry plate 502 is tilted and contacts it, the friction resistance can be reduced, and extrusion and side pushing are convenient. A tooth plate 307 is provided in the middle of the special-shaped part 305 to be engaged with the toothed strip 506. The surface of the tooth plate 307 is arc-shaped and has a plurality of teeth. When the pry plate 502 is horizontal, the teeth are engaged with the toothed strip 506 to form a clamping connection. When the pry plate 502 is tilted, due to its shape design, it can quickly achieve disengagement.

[0026] A preferred embodiment, in combination with Figure 6 and Fig.15 As shown, the locking member 4 includes a slide bar 401, a driven rod 402 and a fourth hydraulic cylinder 403; the slide bar 401 is slidably connected to the bottom of the support assembly 3, and a clamping head 404 is provided at one end, and a trigger spring 405 connected to one end of the driven rod 402 is provided at the other end; a side push head 406 is provided at the other end of the driven rod 402; an active push block 407 in contact with the side push head 406 is provided on the fourth hydraulic cylinder 403, and the active push block 407 is pushed to move by the fourth hydraulic cylinder 403, triggering the side push head 406 to move laterally, pushing the slide bar 401 out and contacting the clamping plate 206. When the clamping head 404 is just docked with the clamping slot, the trigger spring 405 does not work, and when the clamping head 404 does not enter the clamping slot, the slide bar 401 can be kept in contact with the clamping plate 206 by compressing the trigger spring 405, and after moving to the specified position, the clamping positioning of the two is achieved.

[0027] A preferred embodiment, in combination with Figure 8 and Fig.17 As shown, drive motors 7 are symmetrically provided on both sides of the support assembly 3, and a first gear 701 is provided on the drive motor 7; a rack 102 meshingly connected to the first gear 701 is provided above the sliding track 101 located in the middle of the stand 1, and driven by the drive motor 7, the support plate 301 is driven and displaced along the rack 102, thereby realizing position adjustment.

[0028] Combination Fig.11 and Fig.12 As shown, two adjusting rods 507 are symmetrically arranged below the pry plate 502, and one end of each adjusting rod 507 is connected to a power motor, and a toggle piece 508 is arranged on the adjusting rod 507, and the toggle piece 508 is threadedly connected to the adjusting rod 507. The adjusting rod 507 is driven to rotate by the power motor to drive the toggle piece 508 to move, and when the pry plate 502 drops a certain distance, the vertical plate 302 can be actively pushed to move, so that when the suspended trusses are docked, the vertical plate 302 can be actively changed in position according to the position of the truss, so as to facilitate the docking and improve the stability after support.

[0029] Combination Fig.13 As shown, the stabilizing member 6 includes a cylinder body 601, an internal push rod 602 and a pull rope 604; the cylinder body 601 is fixed on the box body 501, and the middle part is slidably connected to the internal push rod 602. At the same time, the left area of ​​the cylinder body 601 has an inlet and an outlet, the left side is the outlet, and the right side is the inlet. In the right space area of ​​the cylinder body 601, a return spring 603 is installed on the internal push rod 602, and the right end of the internal push rod 602 is connected to the pry plate 502 through the pull rope 604; by controlling the inflow and outflow of liquid, the internal push rod 602 can be locked, and the return spring 603 can assist in improving the stability of the displacement of the internal push rod 602. The stabilizing member 6 can cooperate with the third hydraulic cylinder 504 to complete the adjustment of the pry plate 502.

[0030] A preferred embodiment, in combination with Fig.14 As shown, the pipeline at the inlet is T-shaped and is controlled by two solenoid valves 605 respectively. At the same time, one end is connected to a pressure-stabilizing capsule 606, which is also filled with liquid to achieve two working modes; In the first working mode, the liquid supply device controls the flow of liquid to achieve the displacement of the internal push rod 602, that is, controls the inlet or outlet as the entry of liquid; The second working mode is the automatic reset state. When the pull rope 604 pulls the internal push rod 602 to the right, the reset spring 603 and the internal liquid are compressed at the same time. The liquid enters the pressure-stabilizing bag 606 through the pipeline and drives the pressure-stabilizing bag 606 to expand to accommodate more liquid. When the pulling force disappears, under the contraction of the reset spring 603 and the pressure-stabilizing bag 606, the internal push rod 602 can be displaced to the left, pulling the pry plate 502 to level and position. When used in this state, it is still necessary to keep the stabilizing member 6 at one end in a fixed state. At the same time, the third hydraulic cylinder 504 can only be in direct contact with the bottom surface of the pry plate 502, and cannot be in a sliding connection state.

[0031] Combination Figure 7 As shown, the mounting frame 201 has a first volume chamber 801 and a second volume chamber 802 respectively, and the two chambers are connected to the liquid supply device through a pipeline. By supplying liquid into the internal chamber, the brake plate 208 and the locking plate 209 can be pushed to compress the second spring 806 and the first spring 8, thereby achieving extension braking of both. Through this structural design, the brake plate 208 or the locking plate 209 can be controlled when the thickness of the mounting frame 201 itself is limited, and the structure is compact and reliable.

[0032] Combination Fig.16 and Fig.17 As shown, a fifth hydraulic cylinder is provided in the middle of the two driving motors 7. The end of the fifth hydraulic cylinder has a cylindrical head. A plurality of cylindrical holes cooperating with the cylindrical head are evenly processed along the length direction above the rack 102. Through the cooperation of the two, the positioning of the support assembly 3 can be achieved, the working pressure of the driving motor 7 can be reduced, and it is more stable and reliable.

[0033] A construction method for a double-layer large-span truss integrated small-unit assembly mechanism, the steps of which mainly include: S1. According to the number of segments of the truss, a corresponding number of vertical frames 1 are installed, and multiple vertical frames 1 are spliced ​​end to end to form a supporting frame; S2. Use a hoisting method from the middle to the outside to hoist the middle section of the truss by a crane and lift it above the support assembly 3, and keep both ends in the middle area of ​​the stand 1 as much as possible; S3, the support plate 304 on the support assembly 3 moves upward and is supported by the bottom of the truss, and then the inclination angle and the lateral position of the guide plate 203 are adjusted accordingly according to the inclination data of the truss; S4, the support plate 304 drives the truss to move downward, and the two sides of the truss contact the guide plate 203 to achieve guided correction, and at this time the guide plate 203 on the guide assembly 2 can be retracted to the middle according to the size of the truss, and the correction and positioning of the truss can be quickly completed; S5, driving the support assembly 3 to move longitudinally by driving the motor 7 to complete the positioning of the truss in the longitudinal direction; S6, the support assembly 3 is docked with the guide assembly 2 through the locking member 4, and the support assembly 3 is driven to move to the next stand 1, and waits for the suspension operation again.

[0034] A preferred embodiment, in combination with Figure 2 As shown, in order to reduce the friction between the truss and the guide plate 203, a hollow roller can be installed on the truss. The roller and the truss are sleeved and the roller is in contact with the guide plate 203, so that the friction displacement is converted into a rolling displacement.

[0035] Working principle: When the crane hoists the truss to the top of the supporting assembly 3, the second hydraulic cylinder 303 pushes the supporting plate 304 to contact with the bottom surface of the truss to achieve the support of the truss. When the state of the truss itself is more in line with the pre-position, the two guide plates 203 can be directly adjusted to a fixed angle without lateral misalignment, and the limit of the auxiliary push assembly 5 on the vertical plate 302 is released. At this time, as the truss descends, the two sides of the truss contact with the guide plate 203, pushing the truss to achieve center correction, and during the correction process, the vertical plate 302 moves synchronously with the truss, avoiding the friction between the supporting plate 304 and the truss, while improving the stability of the truss during the correction process, and as the correction continues Continue to move downward, the transmission screw 205 drives the movable plate 202 to move laterally. At the same time, according to the situation, the angle of the guide plate 203 can also continue to increase to achieve the extrusion of the truss. When the truss is about to contact the upper surface of the frame 1, it is necessary to adjust the longitudinal direction in advance through the drive motor 7, so that after contacting the frame 1, the truss is in the preset position. Compared with the traditional construction, the alignment efficiency and alignment difficulty are greatly improved, and the number of participants is reduced during the alignment process, which is more convenient for coordinated construction; when the truss is too tilted, the movable plate 202 can first move outward, and in the correction process, gradually move toward the center, so as to achieve the correction operation; After the adjustment is completed, the clamping head 404 on the locking part 4 is connected to the clamping plate 206, and is driven by the driving motor 7 to move to the next stand 1. During the displacement process, the two locking parts 4 are alternately docked with the guide assembly 2 to achieve transportation without interfering with the stand 1. Compared with traditional construction, it does not involve frequent disassembly and assembly, greatly saves preparation time, and improves work efficiency.

[0036] In summary, with the coordinated cooperation of the guide assembly 2 and the support assembly 3, the present invention fully utilizes the gravity of the truss to achieve correction during the descent process, reduces the intermediate construction procedures, greatly improves the alignment efficiency, and in the subsequent segment-by-segment splicing process, the adjustment can be quickly completed by referring to the position of the previous truss, and the guide assembly 2 and the support assembly 3 can be moved on each frame 1 without the need for dismantling operations, thus saving preparation time, and after the truss in the middle is positioned, two sets of guide assemblies 2 and support assemblies 3 can be used for synchronous operation, which can further speed up the construction and reduce the construction cost, and has good popularization.

[0037] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. A double-layer large-span truss integrated small unit assembly mechanism, characterized in that: include: A stand (1), wherein both sides and the middle of the stand (1) are provided with sliding rails (101), and a plurality of the stands (1) are spliced ​​end to end to form a support frame; Guide components (2), the guide components (2) are arranged in pairs on the sliding rails (101) on both sides of the stand (1), and the two guide components (2) can form a V-shaped limiting channel for guiding the truss to align; Support components (3), the support components (3) are arranged in pairs on a sliding track (101) in the middle of the stand (1), and a locking member (4) is provided below the support components (3) for docking with the guide component (2).

2. The double-layer large-span truss integrated small unit assembly mechanism according to claim 1, characterized in that: The guide assembly (2) comprises a mounting frame (201), a movable plate (202) and a guide plate (203); a sliding block (204) connected to the sliding track (101) is symmetrically arranged on the mounting frame (201); a transmission screw (205) is symmetrically arranged at the front and rear of the mounting frame (201); a clamping plate (206) is arranged below the mounting frame (201); the movable plate (202) is threadedly connected to the transmission screw (205), and at least one first hydraulic cylinder (207) connected to the guide plate (203) is arranged on the movable plate (202); and the guide plate (203) is respectively connected to the movable plate (202) and the first hydraulic cylinder (207) by a rotating shaft.

3. The double-layer large-span truss integrated small unit assembly mechanism according to claim 2, characterized in that: A brake plate (208) in contact with the surface of the stand (1) is provided at the slider (204).

4. The double-layer large-span truss integrated small unit assembly mechanism according to claim 3, characterized in that: The brake plate (208) is provided with a locking plate (209) in contact with the moving plate (202).

5. The double-layer large-span truss integrated small unit assembly mechanism according to claim 1, characterized in that: The support assembly (3) comprises a support plate (301) and a vertical plate (302); both sides of the support plate (301) are connected to the sliding rails (101), and an auxiliary thrust assembly (5) is provided in the middle of the support plate (301); the vertical plate (302) is connected to the auxiliary thrust assembly (5), a second hydraulic cylinder (303) is symmetrically provided above the vertical plate (302), and a supporting plate (304) is provided at the end of the second hydraulic cylinder (303), and a special-shaped part (305) is provided below the vertical plate (302).

6. The double-layer large-span truss integrated small unit assembly mechanism according to claim 5, characterized in that: The auxiliary thrust assembly (5) comprises a box body (501), a pry plate (502) and a stabilizing member (6); roller tracks (503) connected to the bottom of the vertical plate (302) are symmetrically arranged above the box body (501), and two groups of third hydraulic cylinders (504) are arranged below; both ends of the pry plate (502) are connected to the box body (501) through the stabilizing member (6), a sliding thrust surface (505) and a toothed strip (506) located in the middle are arranged above the pry plate (502), and both ends of the bottom of the pry plate (502) are slidably connected to the third hydraulic cylinder (504).

7. The double-layer large-span truss integrated small unit assembly mechanism according to claim 6, characterized in that: The special-shaped part (305) is in an "eight" shape, and circular protrusions (306) are provided at both ends of the lower part. A tooth plate (307) is provided in the middle of the special-shaped part (305) to be clamped with the tooth pattern strip (506).

8. The double-layer large-span truss integrated small unit assembly mechanism according to claim 6, characterized in that: Two adjusting rods (507) are symmetrically arranged below the pry plate (502), and a toggle member (508) is arranged on the adjusting rods (507).

9. The double-layer large-span truss integrated small unit assembly mechanism according to claim 1, characterized in that: The locking member (4) comprises a sliding rod (401), a driven rod (402) and a fourth hydraulic cylinder (403); the sliding rod (401) is slidably connected to the lower part of the support assembly (3), one end of which is provided with a clamping head (404), and the other end of which is provided with a trigger spring (405) connected to one end of the driven rod (402); the other end of the driven rod (402) is provided with a side push head (406); the fourth hydraulic cylinder (403) is provided with an active push block (407) in contact with the side push head (406).

10. The double-layer large-span truss integrated small unit assembly mechanism according to claim 1, characterized in that: A driving motor (7) is symmetrically arranged on the support assembly (3), and a first gear (701) is arranged on the driving motor (7); a rack (102) meshingly connected with the first gear (701) is arranged above the sliding track (101) in the middle.

Images