Steel trestle component welding positioning device
By using the drive and positioning components of the steel trestle component welding positioning device, precise and stable docking of steel pipe piles was achieved, solving the problem of high reliance on manual labor, reducing costs, and improving the qualification rate of welded products.
Patent Information
- Application Number
- CN202520398800.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-08
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-08
AI Technical Summary
The current steel pipe pile welding process relies heavily on manual labor, which increases labor costs and makes it difficult to achieve precise control. It is also prone to misalignment or skew, increasing the probability of weld defects.
A welding and positioning device for steel trestle components, including a drive assembly, a moving assembly, a positioning assembly, and a clamping assembly, is adopted. The synchronous rotation and positioning of two sets of steel pipe piles are achieved through a motor-driven gear and rack structure. Combined with screw adjustment, different widths can be adapted, reducing the instability of manual operation.
It achieves precise and stable connection of two sets of steel pipe piles, reduces labor costs, avoids misalignment and skewness, and improves the qualification rate of welded finished products.
Smart Images

Figure CN223876415U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to welding positioning technical field, concretely relates to a steel trestle component welding positioning device. BACKGROUND
[0002] Construction trestle is a temporary bridge for driving hoisting and transporting machinery, which is composed of pier and beam span structure. Steel trestle is a commonly used trestle type on the market, which is composed of steel pipe pile, Bailey beam, profile steel distribution beam and bridge deck plate. Welding device is needed to weld the components to form a whole steel trestle.
[0003] The related technology (announcement number CN220217217U) discloses a steel structure welding equipment, which comprises a bottom plate, a fixed table is arranged on the bottom plate, two L-shaped moving plates are symmetrically and slidably arranged on the fixed table through a moving mechanism, a fixed mechanism is arranged on the top of the L-shaped moving plate, a placing groove is arranged in the L-shaped moving plate, a calibration mechanism is arranged in the placing groove, a supporting structure is arranged on the bottom plate, and a welding structure is arranged on the supporting structure; the calibration mechanism comprises a connecting rod, a spring, a calibration plate and a top plate, the spring is arranged in the placing groove, the connecting rod is slidably arranged in the spring, the two ends of the connecting rod extend out of the spring, the end located in the placing groove is provided with the top plate, and the other end extends out of the L-shaped moving plate and is provided with the calibration plate. The utility model has the beneficial effects that the spring is elastic, the calibration plate pushes the steel material to the center position of the L-shaped moving plate, the position of the steel material is fixed accurately, the moving distance of the two L-shaped moving plates is the same, the steel materials can be aligned, and the welding precision is improved.
[0004] Before the welding process, the steel pipe pile usually needs to be handled at the port, that is, it is cut into a specific inclined shape to facilitate subsequent butt joint and welding operation. However, in the actual inclined port butt joint process, due to the weight of the steel pipe pile itself and the complexity of the inclined port butt joint, at least two manual operations are needed to complete the operation, one of which is responsible for continuously supporting the two steel pipe piles to maintain their relative position, and the other is responsible for welding operation. This operation mode with high dependence on manual operation not only significantly increases the labor cost, but also is difficult to achieve accurate control due to the instability of manual butt joint of steel pipe pile, which easily leads to butt joint misplacement or butt joint deflection of steel pipe pile, and increases the probability of welding defects. UTILITY MODEL CONTENTS
[0005] The utility model provides a steel trestle component welding positioning device, can promote two groups of steel pipe piles to keep in the inclined butt joint state stably, can realize the welding of two steel pipe piles butt joint through one artificial, reduces the artificial cost input, also avoids the instability caused by manual butt joint of steel pipe, can realize the accurate stable butt joint of two steel pipe piles, avoids the misalignment and the butt joint skew etc.
[0006] A steel trestle component welding positioning device, including two first support, two first support top respectively fixed installation has the roof truss, two roof trusses between fixed installation has the transverse plate, the transverse plate middle part is provided with drive assembly, the transverse plate front and rear sides are provided with two groups of mobile assembly, two groups of mobile assembly relative drive assembly is central symmetry and is provided with;
[0007] The mobile assembly includes a first rack arranged in the horizontal direction, a second rack is fixedly installed on the first rack, and the second rack is perpendicular to the first rack, a second gear is engaged with the second rack, a rotating shaft is fixedly installed in the middle of the second gear, and a positioning assembly is arranged on the front side of the rotating shaft.
[0008] In the above technical solution, the drive assembly includes a motor installed on the lower surface of the transverse plate, and a rotating shaft installed on the output end of the motor, and the rotating shaft penetrates the transverse plate upward and is fixedly installed with a first gear;
[0009] Wherein, the side wall of the first gear is respectively engaged with two first racks.
[0010] In the above technical solution, the first rack and the second rack are kept moving in the horizontal direction by a guide assembly;
[0011] The guide assembly includes a limiting rod fixedly installed between the two top brackets in the horizontal direction, a sliding seat is slidably sleeved on the limiting rod, and the sliding seat is fixedly connected with the first rack.
[0012] In the above technical solution, two I-shaped seats are fixedly installed on the front side of the two top brackets, and the front end of the rotating shaft penetrates the side wall of the I-shaped seat and is rotatably connected with the side wall of the I-shaped seat.
[0013] In the technical scheme, the positioning assembly comprises two supporting plates fixedly installed on the two rotating rods respectively, and the two supporting plates are symmetrically arranged relative to the I-shaped base.
[0014] In the technical scheme, the supporting plate is provided with a clamping assembly.
[0015] The clamping assembly comprises a groove body formed on the upper surface of the supporting plate from front to back, a screw rod rotatably connected in the inner cavity of the groove body, a moving block threadedly sleeved on the screw rod and slidably embedded in the inner cavity of the groove body, a moving limiting plate fixedly installed on the moving block, and a fixed limiting plate fixedly installed on the upper surface of the supporting plate, wherein the moving limiting plate and the fixed limiting plate are arranged in parallel.
[0016] In the technical scheme, the first support is provided with a second support in parallel on the front side, a chassis is installed at the bottom end of the second support and the first support, universal wheels are installed at the bottom end of the chassis, a cross beam is installed between the first support and the chassis, a vertical column is vertically installed at the top end of the second support, and the vertical column is fixedly connected with the lower surface of the I-shaped base.
[0017] Compared with the prior art, the steel trestle component welding positioning device has the beneficial effects that:
[0018] I. For the existing steel pipe pile welding operation mode with high dependence on manual work, not only the labor cost investment is significantly increased, but also the instability of manual butt joint of the steel pipe pile makes it difficult to realize accurate control, which easily leads to butt joint mispositioning or butt joint deflection and other adverse conditions, increases the probability of welding defective products, the two groups of supporting plates of the utility model are relatively rotated, which can continuously and stably keep the two groups of steel pipe piles in the inclined butt joint state, welding of the butt joint of the two steel pipe piles can be realized by one person, the labor cost investment is reduced, the instability caused by manual butt joint of the steel pipe is avoided, accurate and stable butt joint of the two steel pipe piles can be realized, butt joint mispositioning and butt joint deflection and other adverse conditions are avoided, and the qualified rate of the steel trestle welding product is better ensured.
[0019] II. The utility model can make the two second gears and the rotating rod synchronously rotate by the same angle to the middle through the cooperation of the rotating shaft, the first gear, the first rack and the second rack, so that the two groups of supporting plates synchronously rotate by the same angle to the middle, the two steel pipe piles between the two groups of supporting plates keep the same inclination angle, the symmetry of the butt joint of the two steel pipe piles after subsequent welding is ensured, and the qualified rate of the product is ensured.
[0020] Third, the utility model discloses a power source first gear's rotation can promote two first rack to move in horizontal direction, finally realize two second gears synchronous relative direction rotation, the utility model discloses with the same power source, can guarantee two groups of second gear and the angle of rotation of the rotating lever symmetry, further guarantee the symmetry of the subsequent two support plate and two groups of steel pipe pile butt joint time, the flexibility of equipment is strong, and the adaptation range of butt joint steel pipe pile is wide.
[0021] Fourth, the utility model discloses the setting of groove body, screw rod, moving block can promote moving limit board relative fixed limit board moves to adjust the interval between moving limit board and fixed limit board, realize the positioning demand of steel pipe pile of different width, and the flexibility of equipment is strong, and the adaptation range of butt joint steel pipe pile is wide.
[0022] Summarizing, the utility model can promote two groups of steel pipe pile to keep in inclined butt joint state continuously and stably, and the welding of two steel pipe pile butt joint places can be realized through an artificial, reduces the artificial cost input, also avoids the instability of manual butt joint steel pipe, can realize the accurate stable butt joint of two steel pipe piles, avoids butt joint misplacement and butt joint deflection and other adverse conditions, can guarantee the qualified rate of steel trestle welding product more. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is the structural diagram of the second support of the utility model;
[0024] Figure 2 It is the overhead structure schematic diagram of the support plate of the utility model;
[0025] Figure 3 It is the side structure schematic diagram of the top frame of the utility model;
[0026] Figure 4 It is the overhead structure schematic diagram of the horizontal plate of the utility model;
[0027] Figures 1 to 4 In the utility model, 1, first support, 2, top frame, 3, horizontal plate, 4, motor, 5, rotating shaft, 6, first gear, 7, first rack, 8, second rack, 9, second gear, 10, rotating lever, 11, limit rod, 12, sliding seat, 13, I-shaped seat, 14, support plate, 15, groove body, 16, screw rod, 17, moving block, 18, moving limit board, 19, fixed limit board, 20, second support, 21, base, 22, universal wheel, 23, crossbeam, 24, stand. DETAILED DESCRIPTION
[0028] The following will be combined with specific implementation case and attached Figures 1 to 4 Further illustrate the utility model, but the utility model is not limited to these embodiments.
[0029] Refer toFigures 1 to 4 As shown in the figure, a steel trestle component welding positioning device comprises two first supports 1, the top of each of the two first supports 1 is fixedly provided with a top frame 2, a horizontal plate 3 is fixedly arranged between the two top frames 2, the two top frames 2 are connected by the horizontal plate 3, and the horizontal plate 3 provides a position for the installation of other components, a driving assembly is arranged in the middle of the horizontal plate 3, two groups of moving assemblies are arranged on the front and back of the horizontal plate 3, the two groups of moving assemblies are centrally symmetrically arranged relative to the driving assembly, and the two groups of moving assemblies are synchronously rotated in the relative direction by the driving assembly;
[0030] Referring mainly to Figure 2 and Figure 3 As shown in the figure, the moving assembly comprises a first rack 7 arranged in the horizontal direction, a second rack 8 is fixedly arranged on the first rack 7, and the second rack 8 is arranged perpendicularly to the first rack 7, a second gear 9 is meshingly connected to the second rack 8, a rotating rod 10 is fixedly arranged in the middle of the second gear 9, a positioning assembly is arranged on the front side of the rotating rod 10, the two first racks 7 are synchronously moved outward, so as to drive the two groups of second racks 8 to be synchronously moved outward, and since the second rack 8 and the second gear 9 are meshingly connected, the two second racks 8 moved outward can synchronously drive the two second gears 9 to rotate from the outside to the inside, so as to drive the two groups of rotating rods 10 to synchronously rotate from the outside to the inside; the driving assembly comprises a motor 4 arranged on the lower surface of the horizontal plate 3, and a rotating shaft 5 arranged on the output end of the motor 4, and the rotating shaft 5 penetrates upward through the horizontal plate 3 and is fixedly provided with a first gear 6; wherein the side wall of the first gear 6 is meshingly connected with the two first racks 7, the rotating motor 4 drives the rotating shaft 5 and the first gear 6 to synchronously rotate counterclockwise, the rotating shaft 5 drives the two first racks 7 meshingly connected on the front and back sides of the rotating shaft 5 to synchronously move outward, so as to drive the two groups of second racks 8 to synchronously move outward.
[0031] Referring mainly to Figure 4 As shown in the figure, the first rack 7 and the second rack 8 keep moving in the horizontal direction through the guiding assembly; the guiding assembly comprises a limiting rod 11 fixedly arranged between the two top frames 2 in the horizontal direction, a sliding seat 12 is slidably arranged on the limiting rod 11, and the sliding seat 12 is fixedly connected with the first rack 7, when the first rack 7 and the second rack 8 move in the horizontal direction, the sliding seat 12 can be driven to move along the limiting rod 11, so that the moving direction of the first rack 7 and the second rack 8 is limited in the horizontal direction, and the first rack 7 and the rotating shaft 5 can always be meshingly connected.
[0032] Referring mainly to Figure 2As shown, the two top frames 2 are fixedly installed with I-shaped seats 13 on the front sides, and the front end of the rotating rod 10 penetrates the side wall of the I-shaped seat 13 and is rotatably connected with the side wall of the I-shaped seat 13 through a bearing. The I-shaped seat 13 can provide support for the butt joint of the subsequent steel pipe pile, and can also connect and support the front end of the rotating rod 10.
[0033] Referring mainly to Figure 1 and Figure 2 As shown, the positioning assembly includes two supporting plates 14 fixedly installed on the two rotating rods 10, respectively, and the two supporting plates 14 are symmetrically arranged relative to the I-shaped seat 13. The two groups of steel pipe piles can be preliminarily positioned through the two groups of supporting plates 14. The supporting plate 14 is provided with a clamping assembly. The clamping assembly includes a groove 15 opened in the upper surface of the supporting plate 14 from front to back, a screw rod 16 rotatably connected in the inner cavity of the groove 15, a moving block 17 threadedly sleeved on the screw rod 16, the moving block 17 slidingly embedded in the inner cavity of the groove 15, a moving limiting plate 18 fixedly installed on the moving block 17, and a fixed limiting plate 19 fixedly installed on the upper surface of the supporting plate 14. The moving limiting plate 18 and the fixed limiting plate 19 are arranged in parallel. The two groups of steel pipe piles to be butt jointed are placed on the two groups of supporting plates 14, respectively. The moving block 17 is moved along the groove 15 by rotating the screw rod 16, so as to move the moving limiting plate 18 connected to the top end of the groove 15 towards the fixed limiting plate 19, so as to clamp and position the steel pipe pile between the moving limiting plate 18 and the fixed limiting plate 19.
[0034] In addition, referring mainly to Figure 1 As shown, the first support 1 is provided with a second support 20 parallel to the front side, and the second support 20 and the first support 1 are provided with a bottom frame 21 at the bottom end, and the bottom frame 21 is provided with a universal wheel 22 at the bottom end. A cross beam 23 is installed between the first support 1 and the bottom frame 21. Through the first support 1, the second support 20, the bottom frame 21 and the cross beam 23, a stable frame structure is formed, so that the bottom end of the equipment is in a more stable supporting state, and the supporting plate 14 can be kept stable during the subsequent welding process. The second support 20 is vertically provided with a stand 24 at the top end, and the stand 24 is fixedly connected with the lower surface of the I-shaped seat 13. The stand 24 forms a stable connection state between the I-shaped seat 13 and the second support 20, so as to stably support the I-shaped seat 13 and the steel pipe pile at the top end of the I-shaped seat 13.
[0035] It is worth mentioning that in the present application, the motor 4 adopts a commonly used self-locking motor on the market, the output end of which can be locked, and the output end can be self-locked when the motor 4 stops running, and will not rotate under external force. The motor 4 is a commonly used forward and reverse motor on the market, and the output end thereof can rotate forward or reverse according to the use requirement, which can meet the above use requirement. The screw rod 16 is a screw rod 16 that can realize self-locking on the existing market, which can realize self-locking when it stops rotating, and will not rotate under external force. The above existing components are not described in detail.
[0036] The working principle of the steel trestle component welding positioning device of the embodiment is as follows:
[0037] The two groups of steel pipe piles to be butt-jointed are placed on the two groups of supporting plates 14 respectively, the moving block 17 is moved along the groove 15 by rotating the screw rod 16, the moving limiting plate 18 connected to the top end of the groove 15 is moved towards the fixed limiting plate 19, so as to realize the clamping and positioning of the steel pipe piles between the moving limiting plate 18 and the fixed limiting plate 19.
[0038] The rotating motor 4 drives the rotating shaft 5 and the first gear 6 to rotate synchronously counterclockwise, the rotating shaft 5 moves synchronously outward by the counterclockwise rotating rotating shaft 5, so as to drive the two groups of second gear racks 8 to move synchronously outward, since the second gear rack 8 and the second gear 9 are meshed and connected, the two second gear racks 8 moving outward can synchronously drive the two second gears 9 to rotate from outside to inside, so as to drive the two groups of rotating rods 10 to rotate synchronously from outside to inside, at this time, the two groups of supporting plates 14 fixedly connected with the rotating rods 10 rotate synchronously to the middle, and the two groups of steel pipe piles positioned on the two groups of supporting plates 14 are gradually rotated to the middle for butt-joint, the butt-jointed two groups of steel pipe piles are continuously positioned at the butt-jointed inclined ports by the two groups of supporting plates 14, and the stability in the subsequent welding process is better ensured.
[0039] When the first gear rack 7 and the second gear rack 8 move in the horizontal direction, the sliding seat 12 can be driven to move along the limiting rod 11, so that the moving direction of the first gear rack 7 and the second gear rack 8 is limited in the horizontal direction, and the first gear rack 7 and the rotating shaft 5 can always be meshed.
[0040] The utility model can make the two groups of steel pipe piles continuously and stably keep in the inclined butt-joint state, the welding of the butt-jointed two steel pipe piles can be realized by one artificial, the artificial cost investment is reduced, the instability caused by manual butt-joint of the steel pipe is avoided, the accurate and stable butt-joint of the two steel pipe piles can be realized, the adverse conditions such as butt-joint misplacement and butt-joint deflection are avoided, and the qualified rate of the steel trestle welding finished product can be better ensured.
[0041] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A steel trestle member welding positioning device comprising two first supports (1), characterized in that: Two said first support (1) top end fixed mounting top rack (2), two said top rack (2) between fixed mounting horizontal plate (3), the horizontal plate (3) middle part is provided with drive assembly, the horizontal plate (3) front and rear sides are provided with two groups of moving assembly, two groups of the moving assembly are relative to the drive assembly central symmetry arrangement; The moving assembly includes a first rack (7) arranged in the horizontal direction, a second rack (8) is fixedly installed on the first rack (7), and the second rack (8) is perpendicular to the first rack (7). The second rack (8) is engaged with a second gear (9), the second gear (9) is fixedly installed with a rotating rod (10) in the middle, and the rotating rod (10) is provided with a positioning assembly on the front side.
2. A steel trestle member welding positioning device according to claim 1, characterized in that: The drive assembly includes a motor (4) mounted on the lower surface of the horizontal plate (3), and a rotating shaft (5) mounted on the output end of the motor (4), and the rotating shaft (5) penetrates the horizontal plate (3) upward and is fixedly installed with a first gear (6); Wherein, the side wall of the first gear (6) is engaged with two first racks (7) respectively.
3. A steel trestle member welding positioning device according to claim 1, characterized in that: The first rack (7) and the second rack (8) keep horizontal movement through the guide assembly; The guide assembly includes a limiting rod (11) fixedly installed between the two top racks (2) in the horizontal direction, a sliding seat (12) is slidably sleeved on the limiting rod (11), and the sliding seat (12) is fixedly connected with the first rack (7).
4. A steel trestle member welding positioning device according to claim 1, characterized in that: Two said top rack (2) front side fixed mounting H seat (13), the rotating rod (10) front end penetrates the side wall of the H seat (13) and is rotatably connected with the side wall of the H seat (13).
5. A steel trestle member welding positioning device according to claim 4, characterized in that: The positioning assembly includes two supporting plates (14) fixedly installed on the two rotating rods (10) respectively, and the two supporting plates (14) are arranged symmetrically relative to the H seat (13).
6. A steel trestle member welding positioning device according to claim 5, characterized in that: The supporting plate (14) is provided with a clamping assembly; The clamping assembly includes a groove (15) opened in the upper surface of the supporting plate (14) from front to back, a screw rod (16) rotatably connected in the inner cavity of the groove (15), a moving block (17) threadedly sleeved on the screw rod (16), and the moving block (17) is slidably embedded in the inner cavity of the groove (15), a moving limiting plate (18) is fixedly installed on the moving block (17), a fixed limiting plate (19) is fixedly installed on the upper surface of the supporting plate (14), and the moving limiting plate (18) and the fixed limiting plate (19) are arranged in parallel.
7. A steel trestle member welding positioning device as defined in claim 5 wherein: The first support (1) front side parallel to the second support (20), the second support (20) and the first support (1) bottom end mounting bottom rack (21), the bottom rack (21) bottom end mounting universal wheel (22), the first support (1) and the bottom rack (21) between mounting cross beam (23), the second support (20) top end vertical mounting stand (24), and the stand (24) is fixedly connected with the lower surface of the H seat (13).
Citation Information
Patent Citations
Steel structure welding equipment
CN220217217U