Bridge deck moving and hoisting device
Through the walking components and lifting components of the bridge deck mobile lifting device, efficient and safe lifting of support components during bridge construction is achieved, which solves the difficulties of traditional cranes in bridge dismantling and improves construction efficiency and safety.
Patent Information
- Application Number
- CN202511104950.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-07
- Publication Date
- 2025-09-16
AI Technical Summary
During bridge construction, it is difficult for cranes to dismantle high support systems, especially when the bridge is high, the ground under the bridge is uneven, or the support components are close to the bridge. This makes lifting difficult, increases safety risks, and reduces efficiency.
A bridge deck mobile lifting device is designed, which includes a traveling assembly and a lifting assembly. It uses an electric hoist and a traveling track to move on the bridge deck to achieve precise lifting of the bracket components. The position is adjusted on the bridge deck through the driving assembly and the lifting mechanism, avoiding the need for traditional cranes to operate under the bridge.
No need for working under the bridge, which improves the lifting efficiency of the bracket components and solves the problems of insufficient lifting height of traditional cranes and uneven space under the bridge, ensures safety and flexibility, and adapts to the lifting needs of different gaps.
Smart Images
Figure CN120646701A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of building construction, and in particular relates to a bridge deck mobile hoisting device. Background Art
[0002] Cast-in-place bridge support systems are common in bridge construction. During bridge construction, the bridge itself remains uncast, allowing for ample space and easy crane access. However, after the bridge is cast, crane installation and removal of the support components often present challenges due to the bridge's height, uneven ground beneath it, and the close proximity of the support components to the bridge. For support systems over 50 meters high, cranes with insufficient lifting height are unable to operate them. Uneven ground beneath the bridge prevents crane movement and requires leveling, which is both time-consuming and labor-intensive, significantly increasing construction costs. When the distance between the support components and the bridge is 4.5 to 6 meters, repeated horizontal movement of the Bailey beam is required. When the distance is less than 4.5 meters, crane installation becomes impossible and the components must be towed using traction equipment. Lifting or towing at such a short distance can cause the underlying steel support system to wobble, increasing safety risks and reducing lifting efficiency.
[0003] Therefore, it is very necessary to design a device that can lift the bracket components from the bridge deck. Summary of the Invention
[0004] The present invention aims to provide a bridge deck mobile hoisting device to realize the hoisting of support components from the bridge deck.
[0005] A bridge deck mobile hoisting device in this scheme includes a traveling assembly and a hoisting assembly. The traveling assembly includes a crossbeam and two connecting boxes detachably connected thereto. The connecting boxes are located below the crossbeam and the length extension directions of the two are perpendicular. Both ends of the connecting boxes are provided with traveling wheels, and the traveling wheels are connected to a driving assembly that drives them to rotate in the horizontal and vertical directions; the hoisting assembly includes a hanging plate, a traveling track and an electric hoist detachably connected to the traveling track. The hanging plates are in two pieces and are detachably connected to the crossbeam. The two hanging plates are close to the two ends of the crossbeam, and the hanging plates are perpendicular to the length extension direction of the crossbeam. The traveling track is detachably connected to the bottom of the two hanging plates.
[0006] How this solution works: Before use, determine the connection box placement based on lifting requirements. Use sleepers to pad the connection box off the ground, arranging the sleepers in a crisscross pattern to ensure the connection box is completely off the ground. Assemble the travel wheels and drive assembly. Lift the crossbeam above the connection box and secure it. After assembly, perform a horizontal adjustment to ensure the height difference between the upper surfaces of the beam ends is ≤5cm.
[0007] Use the hoist to lift the track off the ground. Install the electric hoist underneath the track. Once installed, the hoist should be able to slide freely on the track. After the electric hoist is installed, attach the hanging plates to both ends of the track and operate the hoist to lift the track. Once the hoist has lifted the track to the designated position and the hanging plates have reached their preset positions, the operator secures the hanging plates to the beam and then releases the hoist from the track.
[0008] After the equipment is assembled, the drive assembly is activated. This drives the running wheels at both ends of the connecting box to rotate vertically, allowing the lifting equipment to move longitudinally along the bridge deck. This adjusts the equipment's position on the bridge deck, allowing the lifting assembly to align with the bracket component to be removed. Once the lifting equipment is in the appropriate position, the electric hoist moves along the running track to the appropriate position, hooking the bracket component through the electric hoist. The electric hoist is activated to lift the bracket component. During the lifting process, the running assembly can be fine-tuned as needed to ensure that the bracket component can be smoothly and safely removed from the bracket system and hoisted to the designated location. The beneficial effects of this solution are as follows: the lifting equipment operates and runs entirely on the bridge deck, without the need to enter the space under the bridge or rely on a crane to operate under the bridge. This avoids the problems that traditional cranes encounter in dismantling bridge supports, such as insufficient lifting height, the inability to move due to the uneven ground under the bridge, and the difficulty in lifting the support components due to the close distance between the support components and the bridge. In addition, this lifting equipment can move flexibly on the bridge deck and quickly reach the location of the support components that need to be dismantled, without the need for complex site preparation and tedious lifting and adjustment processes, significantly improving the lifting and dismantling efficiency of the support components. Furthermore, the lifting equipment can finely adjust the position of the lifting point by moving the running wheels on the bridge deck, and the lifting mechanism can lift the structure between the bridge and the bottom surface from the gap between the bridge and the bottom surface, effectively solving the problem of the crane being unable to operate when the gap between the support components and the bottom surface of the bridge is too small (even less than 4.5 meters).
[0009] Furthermore, the crossbeam is provided with two reserved holes for the passage of the hanging plates. Both reserved holes are cross-shaped and located near the ends of the crossbeam. The reserved holes extend through the width and height of the crossbeam. Multiple connection holes are evenly distributed along the length of the hanging plate. The reserved holes are detachably connected to a first fixing member for fixing the hanging plate to the crossbeam. The reserved holes provide a precise positioning reference for the hanging plate, facilitating quick and accurate installation and alignment of the hanging plate with the crossbeam, significantly reducing installation time. Furthermore, the multiple connection holes provided along the length of the hanging plate allow the hoisting personnel to reasonably adjust the height of the walking track from the bottom of the bridge according to the distance between the bracket and the bridge deck, thereby achieving precise control of the hoisting position of the bracket component when the gap between the bracket and the bridge is small.
[0010] Furthermore, the hanging plate is detachably connected to a locking assembly, which includes a first clamping plate and a second clamping plate, each of which includes a clamping plate and a plurality of ribs fixedly connected to one side of the clamping plate, the ribs extending below the clamping plate, and having a notch in the ribs. A first wing plate is fixedly connected to both sides of the top of the walking track, and the two first wing plates are respectively engaged with the notches in the ribs of the first and second clamping plates. The clamping plates are each provided with a first locking hole and a relief hole, the first locking hole and the relief hole being respectively located near the top and bottom of the clamping plates. The hanging plate is provided with a second locking hole for use with the first locking hole. The first locking hole is detachably connected to a second fixing member for fixing the hanging plate, the first clamping plate, and the second clamping plate together. The second locking hole is detachably connected to a third fixing member for fixing the first clamping plate and the second clamping plate together. The engagement structure between the ribs and their notches and the first wing plate of the walking track forms a mechanical limit, effectively preventing horizontal displacement of the walking track and ensuring the stability of the electric hoist when operating on the walking track. The first clamping plate and the second clamping plate are connected to the hanging plate through the third fixing member and fixed to each other through the fourth fixing member. This clamping method of the multi-component combination can effectively ensure the firmness of the connection.
[0011] Furthermore, both ends of the crossbeam are detachably connected to a lifting mechanism. During the equipment assembly phase, the lifting mechanisms at both ends can work together to smoothly lift heavier components such as the running rails to the predetermined position, avoiding installation difficulties and safety risks caused by overweight components, while improving installation accuracy and efficiency.
[0012] Furthermore, the travel wheel and the connection box are connected by a connecting assembly, which includes a slewing bearing and a connecting portion. The inner ring of the slewing bearing is mounted on the bottom of the connection box, and the outer ring of the slewing bearing is fixedly connected to the connecting portion. The travel wheel is mounted on the bottom of the connecting portion. The slewing bearing allows the travel wheel to rotate 360 degrees around the vertical axis, facilitating the steering adjustment of the lifting equipment in any direction on the bridge deck. In addition, as a standard component, the slewing bearing has both support and rotation functions. Its simple structure and strong load-bearing capacity can withstand the lateral force and overturning moment generated during the lifting process, extending the service life of the device.
[0013] Furthermore, the drive assembly includes a first drive mechanism that drives the turntable bearing for horizontal rotation and a second drive mechanism that drives the travel wheels for vertical rotation. The first drive mechanism includes a first motor and a first reduction gearbox fixedly connected to a connecting box. The output shaft of the first motor is connected to the input shaft of the first reduction gearbox, and the output gear of the first reduction gearbox meshes with the turntable bearing. After the first motor is decelerated and torqued by the first reduction gearbox, the output gear meshes with the ring gear of the turntable bearing. The transmission ratio is constant, ensuring that the travel wheels are evenly stressed during steering, avoiding jerking or jamming.
[0014] Furthermore, the bottom of the connecting portion is rotatably connected to a mounting shaft, which is provided with a drive gear. The travel wheel is fixedly connected to the mounting shaft. The second drive mechanism includes a second motor and a second reduction gearbox fixedly connected to the connecting portion. The output shaft of the second motor is connected to the input shaft of the second reduction gearbox, and the output gear of the second reduction gearbox meshes with the drive gear. The mounting shaft is fixedly connected to the travel wheel, and the drive gear is linked to the second motor through the second reduction gearbox to directly transmit power to the travel wheel.
[0015] Furthermore, a lifting assembly that drives the crossbeam up and down is fixedly connected to the top of the connection box. The lifting assembly includes a lower connection seat and an upper connection seat movably connected to the lower connection seat. The upper and lower connection seats are each provided with a mating fixing hole, and a fourth fixing member that removably connects the fixing hole to the upper and lower connection seats is connected to the connection box and the crossbeam at their ends, respectively. By adjusting the relative position of the upper and lower connection seats (e.g., inserting different fixing holes), the height of the crossbeam relative to the bridge deck can be adjusted.
[0016] Furthermore, the upper connecting seat is detachably connected to one end away from the lower connecting seat with two fixing assemblies. The fixing assemblies include a first fixing plate, a second fixing plate, and a plurality of connecting plates. The first fixing plate and the second fixing plate are parallel with a gap between them. The bottom of the first fixing plate is lower than the bottom of the second fixing plate. The first fixing plate and the second fixing plate are fixedly connected by the plurality of connecting plates. The first fixing plate is fixedly connected to the upper connecting seat, and the two second fixing plates abut against the sides of the crossbeam. The first fixing plate is fixed to the upper connecting seat, and the second fixing plate is rigidly connected to the first fixing plate via the connecting plates. This can withstand vertical loads (such as the weight of the Bailey beam) and horizontal loads (such as the inertia of movement) generated during lifting, preventing cracking at the connection.
[0017] Furthermore, second wing plates are fixedly connected to the bottoms of opposite sides of the crossbeam. Two second fixing plates are respectively overlapped on the two second wing plates, and the ends of the second fixing plates facing away from the first fixing plates abut against the crossbeam. The second wing plates form a "T"-shaped cross-section with the main body of the crossbeam, which significantly increases the cross-sectional moment of inertia of the crossbeam and reduces sagging deformation of the crossbeam during hoisting. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the structure after the crossbeam and the lifting assembly are connected in Example 1 of the present invention.
[0019] Figure 2 This is a schematic structural diagram of the walking assembly in Example 1 of the present invention.
[0020] Figure 3 for Figure 2 Schematic diagram of the structure after the crossbeam, lifting assembly and connection box are connected.
[0021] Figure 4 for Figure 3 Schematic diagram of the structure after the middle lifting component is connected to the connection box.
[0022] Figure 5 for Figure 4 Schematic diagram of the structure of the fixed component of the lifting component.
[0023] Figure 6 for Figure 4 Schematic diagram of the structure of the upper connecting seat of the middle lifting assembly.
[0024] Figure 7 for Figure 4 Schematic diagram of the structure of the lower connecting seat of the middle lifting assembly.
[0025] Figure 8 for Figure 1 Schematic diagram of the structure of the lifting assembly.
[0026] Figure 9 for Figure 8 Schematic diagram of the connection between the middle hanging plate and the clamping assembly.
[0027] Figure 10 for Figure 9 Schematic diagram of the structure of the second splint.
[0028] Figure 11 This is a usage state diagram of the lifting equipment of Example 1 (the first drive mechanism, the second drive mechanism and the electric hoist are not shown).
[0029] Figure 12 This is a structural diagram of the lifting equipment in Example 2 of the present invention (except for the crossbeam, other components of the traveling assembly are not shown).
[0030] The reference numerals in the drawings of the specification include: beam A1, fixing assembly A2, second fixing plate A21, first fixing plate A22, connecting plate A23, upper connecting seat A3, lower connecting seat A4, connecting box A5, first motor A6, first reduction gear box A7, mounting seat A8, turntable bearing A9, output gear A10, connecting part A11, walking wheel A12, second reduction gear box A13, second motor A14, hoisting assembly B, hanging plate B 1. Connecting hole B2, walking track B3, electric hoist B4, clamping assembly B5, first clamping plate B51, second clamping plate B52, clamping plate B521, first locking hole B522, avoidance hole B523, partition B524, rib plate B525, reinforcement plate B526, groove B527, supporting plate B528, notch B529, first wing plate B6, bridge deck C, winch D1, pulley block D2, wire rope D3, hook D4. DETAILED DESCRIPTION
[0031] The following is further described in detail through specific implementation methods: Example 1 is basically as shown in the attached Figure 1 As shown: A bridge deck mobile hoisting device, including a walking component and a hoisting component B, the walking component is as shown in the attached Figures 2-4 As shown, it includes a crossbeam A1, which is provided with two cross-shaped reserved holes. The two reserved holes are close to the two ends of the crossbeam A1 respectively. The reserved holes run through the width and height directions of the crossbeam A1. Both ends of the crossbeam A1 are fixedly connected to the connection box A5 through the lifting assembly. Specifically: the lifting assembly includes two fixing assemblies A2, a lower connecting seat A4 (as shown in the attached figure), and a lower connecting seat A5. Figure 7 As shown) and the upper connecting seat A3 (as shown in the attached Figure 6 As shown), the upper connecting seat A3 and the lower connecting seat A4 are both provided with matching fixing holes, and the fixing holes are detachably connected to the fourth fixing member that fixes the upper connecting seat A3 and the lower connecting seat A4, and the fourth fixing member is a bolt or a fixing pin; the side walls of the upper connecting seat A3 and the lower connecting seat A4 at the ends away from each other are both provided with reinforcing ribs, and the ends of the upper connecting seat A3 and the lower connecting seat A4 away from each other are both integrally formed with a mounting plate, and the mounting plate is uniformly provided with through holes. A reinforcing plate is welded to the top of the connection box A5, and the reinforcing plate is also provided with through holes. Bolts pass through the reinforcing plate and the through holes on the mounting plate of the lower connecting seat A4 to achieve a fixed connection. The two fixing components A2 are mirror-mounted on the mounting plate of the upper connecting seat A3. The fixing component A2 is shown in the attached figure. Figure 5 As shown, it includes a first fixing plate A22, a second fixing plate A21 and four connecting plates A23. The first fixing plate A22 and the second fixing plate A21 are parallel and a gap is left between them. The bottom of the first fixing plate A22 is lower than the bottom of the second fixing plate A21. The first fixing plate A22 and the second fixing plate A21 are fixedly connected by four connecting plates A23. Through holes are evenly distributed on the first fixing plate A22. Bolts pass through the through holes on the first fixing plate A22 and the mounting plate of the upper connecting seat A3 to achieve fixed connection. The two second fixing plates A21 are held against both sides of the beam A1. Specifically: the bottoms of the opposite sides of the beam A1 are integrally formed with second wing plates, and the two second fixing plates A21 are respectively overlapped on the two second wing plates, and the end of the second fixing plate A21 away from the first fixing plate A22 is held against the beam A1.
[0032] Connecting box A5 is located below crossbeam A1, with the two extending perpendicularly. Connecting box A5 is equipped with running wheels A12 at both ends, each connected to a drive assembly that drives its horizontal and vertical rotation. Specifically, running wheels A12 are connected to connecting box A5 via mounting bracket A8 and a connecting assembly. Mounting bracket A8 is bolted to the bottom of connecting box A5. The connecting assembly includes a slewing bearing A9 and a connecting portion A11. The inner ring of slewing bearing A9 is mounted to the bottom of mounting bracket A8, and the outer ring of slewing bearing A9 is fixedly connected to connecting portion A11. Running wheels A12 are mounted on the bottom of connecting portion A11. The drive assembly includes a first drive mechanism that drives the turntable bearing A9 to rotate horizontally and a second drive mechanism that drives the travel wheel A12 to rotate vertically. The first drive mechanism includes a first motor A6 and a first reduction gearbox A7 fixedly connected to the mounting base A8. The first motor A6 is mounted on the first reduction gearbox A7. The output shaft of the first motor A6 is connected to the input shaft of the first reduction gearbox A7, and the output gear A10 of the first reduction gearbox A7 engages with the turntable bearing A9. The bottom of the connecting portion A11 is rotatably connected to a mounting shaft, which is provided with a drive gear. The travel wheel A12 is fixedly connected to the mounting shaft. The second drive mechanism includes a second motor A14 and a second reduction gearbox A13 fixedly connected to the connecting portion A11. The second motor A14 is mounted on the second reduction gearbox A13. The output shaft of the second motor A14 is connected to the input shaft of the second reduction gearbox A13, and the output gear A10 of the second reduction gearbox A13 engages with the drive gear.
[0033] Lifting assembly B as attached Figure 8As shown, it includes a hanging plate B1, a walking track B3 and an electric hoist B4 detachably connected to the walking track B3. The hanging plates B1 have two pieces and are detachably connected to the beam A1. The two hanging plates B1 are close to the two ends of the beam A1. The hanging plates B1 are perpendicular to the length extension direction of the beam A1. There are seven connecting holes B2 evenly distributed on the hanging plate B1. The seven connecting holes B2 are set along the length direction of the hanging plate B1. The reserved holes are detachably connected to the hanging plate B1 and the beam A1. The first fixing member fixed together is a pin; the walking track B3 is detachably connected to the bottom of the two hanging plates B1, and the hanging plate B1 is connected to the walking track B3 through a locking assembly. Specifically, the locking assembly includes a first clamping plate B51 and a second clamping plate B52. The first clamping plate B51 and the second clamping plate B52 both include a clamping plate B521 and three ribs B525 integrally formed on one side of the clamping plate B521. The ribs B525 extend to the clamping plate B5 21, a notch B529 is provided on the rib plate B525, the top of the notch B529 is at the same horizontal plane as the bottom of the clamping plate B521, a reinforcing plate B526 is integrally formed between adjacent rib plates B525, and the notch B529 of the three rib plates B525 are integrally formed or welded with a same supporting plate B528; the clamping plate B521 is evenly distributed with a first locking hole B522 and an avoidance hole B523, the first locking hole B522 and the avoidance hole B523 are respectively close to each other. The top and bottom of the clamping plate B521 have two first locking holes B522 and eight avoidance holes B523. The hanging plate B1 is provided with a second locking hole used in conjunction with the first locking hole B522. The first locking hole B522 is detachably connected to a second fixing member for fixing the hanging plate B1, the first clamping plate B51 and the second clamping plate B52 together. The second fixing member is a pin. After the hanging plate B1, the first clamping plate B51 and the second clamping plate B52 are fixed together as shown in the attached figure, the first clamping plate B51 and the second clamping plate B52 are fixed together as shown in the attached figure. Figure 9 As shown, the second locking hole is detachably connected to a third fixing member that fixes the first clamping plate B51 and the second clamping plate B52 together. The third fixing member is a bolt. The second clamping plate B52 (as shown in the attached Figure 10The only difference between the second plywood B52 and the first plywood B51 is that a partition B524 is integrally formed on the side of the second plywood B52 away from the rib plate B525. The partition B524 is the same length as the clamping plate B521, and its height is lower than that of the clamping plate B521. The thickness of the partition B524 is equal to the thickness of the hanging plate B1. The lower surface of the partition B524 and the lower surface of the clamping plate B521 are coplanar. The avoidance hole B523 runs through the partition B524. The top of the reinforcement plate B526 of the second plywood B52 is provided with a groove B527 for the passage of the bolt rod. The bolt passes through the avoidance hole B523 in the first plywood B51 and the second plywood B52 to achieve a fixed connection. Both sides of the top of the running track B3 are integrally formed with first wing plates B6 of the same length. The two first wing plates B6 are respectively clamped at the notches B529 of the ribs B525 of the first and second plywood B51 and B52, and the bottoms of the first wing plates B6 are abutted against the abutting plates B528. The specific implementation process is as follows: Before use, determine the placement of the connection box A5 according to the lifting requirements, and use sleepers to pad the connection box A5 off the ground. The sleepers are arranged in a crisscross pattern so that the connection box A5 is completely off the ground. Assemble the walking wheel A12, the first drive mechanism, and the second drive mechanism. Use a crane to lift the lifting assembly onto the fixed connection box A5. The installation height of the lifting assembly should be selected to install at the lowest height, and tighten the connecting bolts. Use a crane to assemble the beam A1 into a whole. The beam A1 consists of two standard sections. Each section of the beam A1 standard section is 7.5m long, with a total length of 15 meters and a total weight of 3.19t. After the beam A1 is assembled into a whole, use a crane to lift the assembled beam A1 to the top of the connection box A5 and fix it. The beam A1 is fixed by bolting the fixing assembly A2 to the mounting plate of the upper connecting seat A3. After the assembly is completed, the beam A1 is horizontally debugged. The horizontal height difference of the upper surface of the two ends of the beam A1 should be ≤5cm.
[0034] Lift the walking track B3 off the ground and install the electric hoist B4 at the bottom of the walking track B3. After installation, the electric hoist B4 will be able to slide freely on the walking track B3. After the electric hoist B4 is installed, install the power cord of the electric hoist B4 on the wire support of the walking track B3, and debug the various actions of the electric hoist B4 and the safety limit device. Install the hanging plate B1 at both ends of the walking track B3. The center distance between the two hanging plates B1 is 14 meters, and they are arranged symmetrically. Use two steel wire ropes D3 to lower from the reserved holes of the beam A1 and fix them to the upper end of the hanging plate B1 as the traction rope of the hanging plate B1. Lift the walking track B3. After the winch D1 lifts the walking track B3 to the designated position and the hanging plate B1 reaches the reserved hole position, the operator uses a pin to fix the hanging plate B1 (such as Figure 11 shown).
[0035] When the bridge construction support needs to be dismantled, the first motor A6 and the second motor A14 control the entire lifting equipment to move longitudinally along the bridge deck C. The electric hoist B4 is controlled to move transversely along the bridge and to raise and lower the support components. The first motor A6 and the second motor A14 then control the entire lifting equipment to move longitudinally along the bridge deck C to lift the support components to the desired location. The electric hoist B4 can also be controlled to move transversely along the bridge to further control the position of the support components.
[0036] Example 2 is as shown in the attached Figure 12 As shown, the only difference from Example 1 is that the lifting equipment also includes two lifting mechanisms, which are respectively installed at the two ends of the beam A1. Specifically, the lifting mechanism includes a winch D1, a pulley block D2, a wire rope D3 and a hook D4. The winch D1 and the fixed pulley of the pulley block D2 are installed on the beam A1, and the installation of the wire rope D3 and the hook D4 can be carried out according to the conventional installation.
[0037] The specific usage process differs from Example 1 in that: after the installation of the beam A1 is completed, the winch D1 and the fixed pulley are installed at both ends of the beam A1, the wire rope D3 of the winch D1 is led out, the hook D4 is threaded together through the fixed pulley, and the rope end is fixed to the rope end fixing position at the end of the beam A1 with a rope clamp, with no less than three rope clamps. The two winches are operated to lower the hook D4 to the position of the running track B3, and the running track B3 is lifted off the ground with the wire rope D3. The electric hoist B4 is installed at the bottom of the running track B3. After the installation is completed, the electric hoist B4 should be able to slide freely on the running track B3. After the electric hoist B4 is installed, the power cord of the electric hoist B4 is installed on the wire support of the running track B3, and the various actions of the electric hoist B4 and the safety limit device are debugged. Hanging plates B1 are installed at both ends of the running track B3, with the center distance between the two hanging plates B1 being symmetrical and 14 meters apart. Two steel wire ropes D3 are lowered from the holes in the crossbeam A1 and secured to the upper ends of the hanging plates B1, serving as traction ropes for the hanging plates B1. Winch D1 is operated to lift the running track B3. Once the winch D1 has lifted the running track B3 to the designated position and the hanging plates B1 have reached the designated holes, the operator secures the hanging plates B1 with pins and then lowers the lifting mechanism's hook D4 to remove the tension from the winch D1.
[0038] The above is only an embodiment of the present invention, and the common knowledge such as the specific structure and characteristics of the scheme is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several variations and improvements can be made, which should also be regarded as the scope of protection of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.
Claims
1. A bridge deck mobile hoisting device, comprising a traveling assembly and a hoisting assembly, characterized in that: The walking assembly includes a crossbeam and two connecting boxes detachably connected thereto, the connecting boxes are located below the crossbeam and the length extension directions of the two are perpendicular, both ends of the connecting box are provided with walking wheels, and the walking wheels are connected to drive assemblies that drive them to rotate in the horizontal and vertical directions; the lifting assembly includes a hanging plate, a walking track and an electric hoist detachably connected to the walking track, the hanging plates are in two pieces and are detachably connected to the crossbeam, the two hanging plates are close to the two ends of the crossbeam, the hanging plates are perpendicular to the length extension direction of the crossbeam, and the walking track is detachably connected to the bottom of the two hanging plates.
2. The bridge deck moving and hoisting device according to claim 1, characterized in that: The crossbeam is provided with two reserved holes for the hanging plates to pass through. The two reserved holes are both cross-shaped and close to the two ends of the crossbeam. The reserved holes run through the width and height directions of the crossbeam. A plurality of connecting holes are evenly distributed in the length direction of the hanging plate. The reserved holes are detachably connected to a first fixing piece for fixing the hanging plate and the crossbeam together.
3. The bridge deck moving and hoisting device according to claim 2, characterized in that: The two cams are connected to each other via a latch joint, and the latch joint is configured to engage the first and second latch plates, and the latch joint is configured to engage the first and second latch plates, and the latch joint is configured to engage the first and second latch plates.
4. The bridge deck moving and hoisting device according to claim 3, characterized in that: Both ends of the crossbeam are detachably connected with a lifting mechanism.
5. The bridge deck moving and hoisting device according to any one of claims 1 to 4, characterized in that: The travel wheel and the connection box are connected by a connection assembly, which includes a turntable bearing and a connection part. The inner ring of the turntable bearing is installed at the bottom of the connection box, the outer ring of the turntable bearing is fixedly connected to the connection part, and the travel wheel is installed at the bottom of the connection part.
6. The bridge deck moving and hoisting device according to claim 5, characterized in that: The drive assembly includes a first drive mechanism that drives the turntable bearing to rotate in the horizontal direction and a second drive mechanism that drives the walking wheel to rotate in the vertical direction. The first drive mechanism includes a first motor and a first reduction box fixedly connected to the connecting box. The output shaft of the first motor is connected to the input shaft of the first reduction box, and the output gear of the first reduction box is engaged with the turntable bearing.
7. The bridge deck moving and hoisting device according to claim 6, characterized in that: The bottom of the connecting part is rotatably connected to a mounting shaft, the mounting shaft is provided with a driving gear, and the walking wheel is fixedly connected to the mounting shaft; the second driving mechanism includes a second motor and a second reduction gear box fixedly connected to the connecting part, the output shaft of the second motor is connected to the input shaft of the second reduction gear box, and the output gear of the second reduction gear box is engaged with the driving gear.
8. The bridge deck moving and hoisting device according to claim 7, characterized in that: The top of the connecting box is fixedly connected to a lifting assembly that drives the crossbeam to rise and fall. The lifting assembly includes a lower connecting seat and an upper connecting seat movably connected to the lower connecting seat. The upper connecting seat and the lower connecting seat are both provided with matching fixing holes. The fixing holes are detachably connected to a fourth fixing piece that fixes the upper connecting seat and the lower connecting seat. The ends of the lower connecting seat and the upper connecting seat away from each other are respectively connected to the connecting box and the crossbeam.
9. The bridge deck moving and hoisting device according to claim 8, characterized in that: The upper connecting seat is detachably connected to one end away from the lower connecting seat with two fixing components, and the fixing components include a first fixing plate, a second fixing plate and a plurality of connecting plates. The first fixing plate and the second fixing plate are parallel with a gap between them. The bottom of the first fixing plate is lower than the bottom of the second fixing plate. The first fixing plate and the second fixing plate are fixedly connected by the plurality of connecting plates. The first fixing plate is fixedly connected to the upper connecting seat, and the two second fixing plates are held on both sides of the beam.
10. The bridge deck moving and hoisting device according to claim 9, characterized in that: The bottoms of the two opposite sides of the crossbeam are fixedly connected with second wing plates, the two second fixing plates are respectively overlapped on the two second wing plates, and one end of the second fixing plate away from the first fixing plate is supported on the crossbeam.