Universal bearing type in-field transfer trolley

By designing a universal load-bearing on-site transfer trolley, and utilizing a universal turntable and load-bearing frame, the problem of transporting large-mass components under limited space on the construction site was solved, achieving a flexible and efficient transfer effect.

CN224104095UActive Publication Date: 2026-04-10NINGBO MUNICIPAL ENG CONSTR GROUP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO MUNICIPAL ENG CONSTR GROUP
Filing Date
2025-04-29
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

When space is limited at the construction site, existing transport tools cannot flexibly adjust the direction of the load, resulting in difficulties and low efficiency in transporting large-mass components.

Method used

A universal load-bearing in-field transfer trolley was designed, including a load-bearing trolley, a universal turntable, and a load-bearing frame. The universal turntable enables 360° rotation adjustment, and the combination of rolling units and ball groove structure improves the stability of movement and the ease of rotation.

Benefits of technology

It enables flexible and convenient transfer of large-mass components in small or space-constrained sites, reducing construction difficulty and improving transfer efficiency. The transfer of large-mass components can be completed by a single person.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224104095U_ABST
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Abstract

The utility model relates to a universal bearing type in-field transfer trolley which comprises a bearing trolley, a universal rotating disc and a bearing frame. The number of the universal rotating disc is one, the bearing frame is fixed to a rotating disc of the universal rotating disc, the universal rotating disc is fixed to the bearing trolley through a fixing disc, and pull rings are arranged at the front end and / or the rear end of the bearing trolley. The center of the universal rotating disc and the center of the bearing trolley are located on the same center point, and the center of the bearing frame and the center of the universal rotating disc are located on the same center point. Compared with the prior art, by arranging the bearing trolley and installing the universal rotating disc and the bearing frame on the bearing trolley, large-mass components can be transferred flexibly and conveniently on a small or space-limited site, the large-mass components only need to be hoisted to the bearing frame through a crane, operation can be completed by one worker, and the use effect is good.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to engineering construction technical field especially relates to a universal bearing formula field transfer trolley. BACKGROUND

[0002] With the intensification of construction site, that is, controlling the area of construction site, in some construction sites, the heavy semi-trailer or large transfer vehicle is generally used to transfer large mass components, but sometimes due to the limitation of space in the field, large transfer equipment cannot be used to rotate large mass components, such as using forklift and other small transfer tools, which cannot bear large load, and when the space of construction site is small, 360° rotation cannot be completed to adjust the load; This will greatly increase the difficulty of construction in the process of transferring large mass components, and the efficiency of transfer is also not high. SUMMARY

[0003] The utility model aims at overcoming the insufficient of prior art, and provides a universal bearing formula field transfer trolley that is flexible and convenient to transfer, and has high transfer efficiency.

[0004] The utility model aims at overcoming the insufficient of prior art, and provides a universal bearing formula field transfer trolley that is flexible and convenient to transfer, and has high transfer efficiency.

[0005] The utility model has the advantages that compared with prior art, by setting up the bearing trolley, and installing the universal turntable and the bearing frame on it, it is flexible and convenient to transfer large mass components on small or space-limited sites, only one worker can complete the operation by hoisting the large mass components to the bearing frame by the crane, and the use effect is good.

[0006] Preferably, the bearing trolley comprises a bearing vehicle body web plate, a vehicle body top plate and a rolling unit, the bearing vehicle body web plate is provided with two plates and is symmetrically distributed, a connecting rod is fixed at the front and rear ends between the two bearing vehicle body web plates and forms a frame, the rolling unit is provided with at least two and is installed on the middle position of the frame respectively, the vehicle body top plate is fixed above the frame, and the fixed disc is fixed on the vehicle body top plate.

[0007] As preferred, the bearing trolley body web plate is provided with at least two mounting holes for mounting the rolling units, and the mounting holes are equidistantly distributed; by providing at least two mounting holes for mounting the rolling units, the stability of the bearing trolley is greatly improved.

[0008] As preferred, the rolling unit comprises a rolling shaft and a roller bearing, the two ends of the rolling shaft are respectively inserted into the mounting holes of the two symmetrically distributed bearing trolley body web plates and fixed; the roller bearing is mounted on the rolling shaft, the outer circumferential wall of the roller bearing is coated with a PU layer, and at least four roller bearings are mounted on each rolling shaft; by the above-mentioned rolling unit, not only is the installation convenient, but also the bearing trolley is more convenient during movement; at the same time, the outer circumferential wall of the roller bearing is coated with a PU layer, the vibration is reduced during the movement of the bearing trolley, and the friction force is greatly increased.

[0009] As preferred, the upper end face of the fixed disc is provided with a circle of first ball grooves, the first ball grooves are placed with balls, and the balls are sequentially and closely arranged in the first ball grooves; by the above-mentioned structure, the rotation of the rotating disc can be realized, and the rotation is facilitated.

[0010] As preferred, the upper end face of the rotating disc is provided with a circle of second ball grooves corresponding to the first ball grooves, the balls are located in the second ball grooves, and the sum of the groove depths of the first ball grooves and the second ball grooves is less than the diameter of the balls; by the above-mentioned structure, the rotating disc can be smoothly rotated relative to the fixed disc through the arrangement of the balls and the ball grooves.

[0011] As preferred, a positioning pin shaft is welded at the center position of the fixed disc, a through hole is provided at the center position of the rotating disc, and the positioning pin shaft passes through the through hole to mount the rotating disc on the fixed disc; by the above-mentioned structure, the rotating disc can be well rotated with the fixed disc, and the structure is relatively simple and convenient.

[0012] As preferred, two bearing frames are provided and symmetrically fixed on the rotating disc of the universal turntable, and each bearing frame is spliced by two symmetrically distributed bearing U-shaped cross beams; this not only facilitates the formation, but also the bearing frame can bear long and heavy components, such as cross beams on the viaduct.

[0013] Preferably, connecting blocks are welded to both ends of the two support frames, and each support frame has U-shaped support bars distributed at equal intervals on its upper surface. The height of the U-shaped support bars is higher than the height of the connecting blocks. By welding connecting blocks between the two support frames, the stability of the support frames is improved. At the same time, the U-shaped support bars reduce the contact area between the large mass components and the support frames, making it easier to fine-tune the position during movement. Attached Figure Description

[0014] Fig. 1 This is a schematic diagram of the main structure of the universal load-bearing in-field transfer trolley of this utility model.

[0015] Fig. 2 This is a side view schematic diagram of the universal load-bearing in-field transfer trolley of this utility model.

[0016] Fig. 3 This is a top view schematic diagram of the universal load-bearing in-field transfer trolley of this utility model.

[0017] The labels in the attached diagram are as follows: 1. Carrying trolley; 2. Universal turntable; 3. Carrying frame; 4. Pull ring; 11. Carrying body web; 12. Body roof; 13. Rolling unit; 13-1. Roller; 13-2. Roller bearing; 13-3. PU layer; 14. Connecting rod; 15. Mounting hole; 21. Rotating disk; 21-1. Second ball groove; 22. Fixed disk; 22-1. First ball groove; 23. Ball; 24. Positioning pin; 31. Carrying U-shaped crossbeam; 32. Connecting block; 33. U-shaped support bar. Detailed Implementation

[0018] The present invention will now be described in detail with reference to the accompanying drawings: as shown in the drawings Figs. 1 to 3 As shown, this utility model includes a carrying trolley 1, a universal turntable 2, and a support frame 3; one universal turntable 2 is provided, and the support frame 3 is fixed on the rotating disk 21 of the universal turntable 2. The universal turntable 2 is fixed on the carrying trolley 1 by a fixing disk 22. The front end and / or rear end of the carrying trolley 1 are provided with pull rings 4; the center of the universal turntable 2 and the center of the carrying trolley 1 are at the same center point, and the center of the support frame 3 and the center of the universal turntable 2 are at the same center point.

[0019] The bearing trolley 1 comprises a bearing trolley body web plate 11, a trolley body top plate 12 and a rolling unit 13. The bearing trolley body web plate 11 is provided with two plates and is symmetrically distributed. The front and rear ends of the two bearing trolley body web plates 11 are fixed with connecting rods 14 and form a frame. The rolling unit 13 is provided with at least two and is respectively installed at the middle position of the frame. The trolley body top plate 12 is fixed above the frame. The fixed disc 22 is fixed on the trolley body top plate 12. The bearing trolley body web plate 11 and the trolley body top plate 12 are made of 14mm thick Q355 steel plate after laser precise cutting and polishing. The steel plates are connected by fillet welding. The weld leg size is not less than 6mm.

[0020] The bearing trolley body web plate 11 is provided with at least two mounting holes 15 for mounting the rolling unit 13. The mounting holes 15 are equidistantly distributed.

[0021] The rolling unit 13 comprises a roller shaft 13-1 and a roller bearing 13-2. The two ends of the roller shaft 13-1 are respectively inserted into the mounting holes 15 of the two symmetrically distributed bearing trolley body web plates 11 and are fixed. The roller bearing 13-2 is installed on the roller shaft 13-1. The outer circumferential wall of the roller bearing 13-2 is covered with a PU layer 13-3. At least four roller bearings 13-2 are installed on each roller shaft 13-1. The roller bearing 13-2 in the above is a single row cylindrical roller bearing. The model is N 208 ECP. The basic rated dynamic load C of a single bearing is 62KN. The roller shaft 13-1 is made of a Q355 circular steel rod with a length of 33cm and a diameter of 39mm. After leveling, the bearing trolley body web plate is connected by welding.

[0022] A first ball groove 22-1 is formed in the upper end surface of the fixed disc 22. The first ball groove 22-1 is placed with a ball 23. The balls 23 are sequentially and closely arranged in the first ball groove 22-1. The fixed disc 22 is a 14mm thick Q355 steel plate laser precisely cut into a 550mm diameter disc. An 8.2mm wide and 3mm deep ball groove is milled inside. The center distance of the ball groove from the fixed disc edge is 75mm. The contact part of the fixed disc 22 and the trolley body top plate 12 is connected by fillet welding. The weld leg size is not less than 6mm. The balls 23 are placed in the ball grooves of the fixed disc and the rotating disc in a finished 8mm diameter steel ball close-packed manner and are lubricated with butter.

[0023] A second ball groove 21-1 corresponding to the first ball groove 22-1 is formed in the upper end surface of the rotating disc 21. The ball 23 is located in the second ball groove 21-1. The sum of the groove depth of the first ball groove 22-1 and the groove depth of the second ball groove 21-1 is less than the diameter of the ball 23.

[0024] A positioning pin shaft 24 is welded at the center position of the fixed disc 22, a through hole is formed at the center position of the rotating disc 21, the positioning pin shaft 24 passes through the through hole to install the rotating disc 21 on the fixed disc 22; the positioning pin shaft 24 is made of a Q355 circular steel rod with a length of 50mm and a diameter of 30mm, the center of the positioning pin shaft coincides with the center of the fixed disc 22, a bevel angle weld is used at the contact position, the weld is polished flat after welding, and it is ensured that the weld does not exceed the diameter range of the positioning pin shaft. The rotating disc 21 has the same size and structure as the fixed disc 22, and a diameter of 32mm through hole is formed at the center by laser and penetrates into the positioning pin shaft 24.

[0025] The bearing frame 3 is provided with two and is fixed on the rotating disc 21 of the universal turntable 2 in a symmetrical manner, and each bearing frame 3 is spliced by two bearing U-shaped cross beams 31 which are symmetrically distributed; the bearing U-shaped cross beam 31 is composed of two [20a# steel limbs which are opposite to each other, and the wing plate splicing part is connected by a weld; each trolley uses two cross beams, the length is 2.0m, and the net spacing is 200mm.

[0026] The connecting blocks 32 are welded on the two ends between the two bearing frames 3, and the upper end surface of each bearing frame 3 is provided with U-shaped support strips 33 which are distributed at equal intervals, and the height of the U-shaped support strip 33 is higher than the height of the connecting block 32.

[0027] The working principle of the utility model is as follows: first, the crane is used to hoist the large mass component on the bearing frame 3, then the worker is connected with the pull ring 4 through the steel wire rope, and the orientation is adjusted through the universal turntable 2, finally, the large mass component is pulled to the specified position through the bearing trolley 1.

[0028] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A universal bearing type in-field transfer trolley, comprising a bearing trolley (1), a universal turntable (2) and a bearing frame (3); characterized in that: The universal turntable (2) is provided with one, the bearing frame (3) is fixed on the rotating disc (21) of the universal turntable (2), the universal turntable (2) is fixed on the bearing trolley (1) through the fixed disc (22), the front end and / or rear end of the bearing trolley (1) is provided with a pull ring (4); the center of the universal turntable (2) and the center of the bearing trolley (1) are on the same center point, the center of the bearing frame (3) and the center of the universal turntable (2) are on the same center point.

2. The gimbaled load-bearing inline transfer dolly of claim 1, wherein: The bearing trolley (1) comprises a bearing vehicle body web plate (11), a vehicle body top plate (12) and a rolling unit (13), the bearing vehicle body web plate (11) is provided with two and is symmetrically distributed, the front and rear ends between the two bearing vehicle body web plates (11) are fixed with connecting rods (14) and form a frame, the rolling unit (13) is provided with at least two and is respectively installed on the middle position of the frame, the vehicle body top plate (12) is fixed above the frame, and the fixed disc (22) is fixed on the vehicle body top plate (12).

3. The gimbaled load-bearing inline transfer dolly of claim 2, wherein: At least two mounting holes (15) for mounting the rolling unit (13) are arranged on the bearing vehicle body web plate (11), and the mounting holes (15) are equidistantly distributed.

4. The gimbaled load-bearing inline transfer dolly of claim 3, wherein: The rolling unit (13) comprises a rolling shaft (13-1) and a roller bearing (13-2), both ends of the rolling shaft (13-1) are respectively inserted into the mounting holes (15) of the two symmetrically distributed bearing vehicle body web plates (11) and are fixed; the roller bearing (13-2) is installed on the rolling shaft (13-1), a PU layer (13-3) is coated on the outer circumferential wall of the roller bearing (13-2), and at least four roller bearings (13-2) are installed on each rolling shaft (13-1).

5. The gimbaled load-bearing inline transfer dolly of claim 1, wherein: A first ball groove (22-1) is formed in the upper end surface of the fixed disc (22), the first ball groove (22-1) is provided with a ball (23), and the balls (23) are sequentially and tightly arranged in the first ball groove (22-1).

6. The gimbaled load-bearing inline transfer dolly of claim 5, wherein: A second ball groove (21-1) corresponding to the first ball groove (22-1) is formed in the upper end surface of the rotating disc (21), the balls (23) are located in the second ball groove (21-1), and the sum of the groove depths of the first ball groove (22-1) and the second ball groove (21-1) is less than the diameter of the ball (23).

7. The gimbaled load-bearing inline transfer dolly of claim 1 or 5, wherein: A positioning pin shaft (24) is welded at the center position of the fixed disc (22), a through hole is formed at the center position of the rotating disc (21), and the positioning pin shaft (24) passes through the through hole to install the rotating disc (21) on the fixed disc (22).

8. The gimbaled load-bearing inline transfer dolly of claim 1, wherein: The bearing frame (3) is provided with two and is symmetrically fixed on the rotating disc (21) of the universal turntable (2), and each bearing frame (3) is spliced by two symmetrically distributed bearing U-shaped cross beams (31).

9. The gimbaled load-bearing inline transfer dolly of claim 8, wherein: Two ends between the two said bearing frame (3) are welded with connecting block (32), and the upper end surface of each said bearing frame (3) is provided with U-shaped support strip (33) which is distributed at equal intervals, the height of the U-shaped support strip (33) is higher than the height of the connecting block (32).