Lifting device for road and bridge construction

By using horizontal moving components that cooperate with rack rails and gears in the road and bridge construction hoisting device, the low efficiency and safety problems during material hoisting are solved, and safe and efficient material handling is achieved.

CN223175659UActive Publication Date: 2025-08-01西安市政道桥建设集团有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422491288.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-08-01
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

During the construction of existing road and bridges, the material lifting device has problems of low working efficiency and low safety during the movement of the road, especially due to the bumpy road surface, which increases safety hazards.

Method used

The rack rail is used to cooperate with the gears in the horizontal moving assembly. By setting the rack rail on the cross beam to mesh with the gears in the horizontal moving assembly, the horizontal movement and fixing of the material is achieved. Combined with the use of the lifting assembly, the material is improved and the discharge position is accurately adjusted.

Benefits of technology

It realizes safety and efficiency during material lifting, ensures accurate position of materials during transfer, and reduces safety hazards.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223175659U_ABST
    Figure CN223175659U_ABST
Patent Text Reader

Abstract

The utility model provides a hoisting device for road and bridge construction. The hoisting device comprises a cross beam, a fixing piece, a horizontal moving assembly, a lifting assembly, a support and a walking mechanism. Materials are lifted through the lifting winch, the material lifting efficiency can be greatly improved, and construction safety is guaranteed. Horizontal movement of the materials is achieved through cooperation of the rack track and a gear in the horizontal movement assembly, discharging can be accurately adjusted, and meanwhile the relative position of the materials in the material transferring process is limited.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of road and bridge construction, and specifically relates to a hoisting device for road and bridge construction. Background Technique

[0002] Municipal engineering covers a wide range of fields in urban infrastructure construction, which includes the construction and maintenance of various public facilities that provide necessary support for urban residents' lives. These facilities not only include urban roads and bridges, but also involve subways, underground pipelines, tunnels, river channels, rail transit systems, as well as important projects such as sewage treatment and waste disposal. These projects are crucial for ensuring the normal operation of the city and the daily lives of residents. When constructing municipal projects such as roads and bridges, due to site conditions, the construction team often needs to carry out short-distance hoisting operations for materials. These materials may include manhole covers, steel, and other heavy materials.

[0003] Conventional rail-type hoisting structures use smooth guide rails and wheels to cooperate to achieve the horizontal movement of materials. However, during the hoisting process, since the hoisting device body needs to move a certain distance to complete the transfer of materials, and during the movement, due to road bumps, relative sliding occurs between the guide rail and the wheels, causing the materials to displace during transportation, increasing potential safety hazards.

[0004] In view of the above problems, the utility model proposes a hoisting device for road and bridge construction, which realizes the horizontal movement and fixation of materials by the cooperation of the rack rail set on the cross beam and the gear in the horizontal movement component; thereby realizing safe and efficient material handling. [[ID=]16]Content of the Utility Model

[0005] In view of the deficiencies of the prior art, the utility model proposes a hoisting device for road and bridge construction. The device aims to solve the problems of low work efficiency and low safety during the material hoisting and transfer process.

[0006] A hoisting device for road and bridge construction includes a cross beam, a fixing member, a horizontal movement component, a lifting component, a support, and a traveling mechanism; characterized in that: there are two supports, the upper ends of the two supports are respectively fixedly connected to both ends of the cross beam through the fixing member, the cross beam is in an "I" shape, and rack guide rails are symmetrically arranged left and right on the "-" under the "I" shape of the cross beam. The horizontal movement component is mounted under the cross beam, and the horizontal movement is realized by the engagement of the gear in the horizontal movement component with the rack guide rail. The lifting component is suspended under the horizontal movement component, and a traveling mechanism is provided at the bottom of the two supports.

[0007] Preferably, the traveling mechanism adopts a roller structure, and two groups of rollers are respectively arranged at the bottom ends of the two supports.

[0008] Preferably, the traveling mechanism adopts a tank chain structure and is respectively arranged at the bottom ends of the two supports.

[0009] Preferably, the lifting assembly includes a connecting hook, a lifting winch, and a lifting hook, and the lifting assembly is suspended below the horizontal moving assembly through the connecting hook.

[0010] Preferably, the horizontal moving assembly includes a moving servo motor, a first fixing plate, a first driven gear, a driving gear, a second driven gear, a connecting rod, a suspension ring, a second fixing plate, a third driven gear, and a fourth driven gear; the first fixing plate and the second fixing plate are arranged in a mirror image; both ends of the connecting rod are respectively fixed below the first fixing plate and the second fixing plate through threaded connections, and the upper end of the suspension ring is sleeved in the middle of the connecting rod; the moving servo motor is fixedly arranged outside the upper end of the first fixing plate, and the rotating shaft of the moving servo motor passes through the through hole on the first fixing plate and penetrates to the inner side of the first fixing plate, and a driving gear is fixedly arranged at its end; a first driven gear and a second driven gear are respectively arranged at corresponding positions on both sides of the driving gear; the third driven gear and the fourth driven gear are respectively engaged with the first driven gear and the second driven gear. Preferably,

[0011] Preferably, the connecting hook in the lifting assembly hooks the lower end of the suspension ring to realize the connection between the horizontal moving assembly and the lifting assembly.

[0012] Preferably, the moving servo motor adopts a DC servo motor.

[0013] Preferably, the first driven gear is engaged with the driving gear, and the first driven gear and the second driven gear are rotatably arranged inside the first fixing plate.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] (1) The present utility model provides a hoisting device for road and bridge construction. By using the lifting winch to lift materials, the material lifting efficiency can be greatly improved, and the construction safety can be ensured;

[0016] (2) The present utility model provides a hoisting device for road and bridge construction. By matching the rack track with the gear in the horizontal moving assembly to realize the horizontal movement of materials, the unloading can be accurately adjusted, and at the same time, the relative position of the materials during the material transfer process can be restricted to ensure the safety during the material transfer process. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0018] Figure 1: Schematic diagram of the overall structure of the hoisting device for road and bridge construction;

[0019] Figure 2 : Schematic diagram of the crossbeam structure in the hoisting device for road and bridge construction;

[0020] Figure 3 : Schematic diagram of the partially enlarged structure of the hoisting device for road and bridge construction;

[0021] Figure 4 : Schematic diagram of the horizontal movement component structure.

[0022] Figure 5 : Assembly schematic diagram of the crossbeam, horizontal movement component, and lifting component.

[0023] Among them, crossbeam 1, rack guide 11, first fixing hole 12, second fixing hole 13; fixing part 2; horizontal movement component 3, moving servo motor 301, first fixing plate 302, first driven gear 303, driving gear 304, second driven gear 305, connecting rod 306, suspension ring 307, second fixing plate 308, third driven gear 309, fourth driven gear 310; lifting component 4, connecting hook 401, lifting winch 402, lifting hook 403; bracket 5; traveling mechanism 6. Specific implementation manner

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] As Figures 1-5 shown, the present invention discloses a hoisting device for road and bridge construction, including a crossbeam 1, a fixing part 2, a horizontal movement component 3, a lifting component 4, a bracket 5, and a traveling mechanism 6.

[0026] There are two brackets 5. The upper ends of the two brackets 5 are respectively fixedly connected to both ends of the crossbeam 1 through the fixing part 2. The crossbeam 1 is in an "I" shape. Guide rails are symmetrically arranged on the left and right of the "-" below the "I" shape of the crossbeam 1. The horizontal movement component 3 is hung below the crossbeam 1 and is in rolling cooperation with the guide rails to achieve horizontal movement. The lifting component 4 is suspended below the horizontal movement component 3. The bottoms of the two brackets 5 are provided with a traveling mechanism 6.

[0027] The present invention realizes the horizontal movement and fixation of materials through the cooperation of the rack track arranged on the crossbeam and the gears in the horizontal movement component; thus realizing safe and efficient material handling. The traveling mechanism 6 can adopt such as Figure 1The rollers shown in the figure (the rollers in the figure are only for illustration, and in practice, rollers with appropriate diameters can be selected according to requirements), and two sets of rollers are respectively arranged at the bottom ends of two brackets 5. A drag chain structure can also be adopted to improve its adaptability to the ground.

[0028] As Figure 2 shown, first fixing holes 12 and second fixing holes 13 are respectively arranged on the upper and lower sides of both ends of the cross beam 1; rack guide rails 11 are symmetrically arranged on the left and right sides of the "one" under the "I"-shaped part in the middle area of the cross beam 1. Correspondingly, gears cooperating with the rack guide rails 11 are arranged on the horizontal movement assembly 3, so as to realize the horizontal movement of the horizontal movement assembly 3 on the cross beam 1. The upper end of the fixing part 2 is fixedly connected to the first fixing hole 12 by bolts, and the lower end of the fixing part 2 is fixedly connected to the second fixing hole 13 and the upper end of the bracket 5 by bolts.

[0029] Figure 3 、 Figure 5 Specifically shows the connection relationship between the rack guide rail 11, the horizontal movement assembly 3, and the lifting assembly 4. Among them, the lifting assembly 4 includes a connection hook 401, a lifting winch 402, and a lifting hook 403. The lifting assembly 4 is suspended below the horizontal movement assembly 3 through the connection hook 401, and the lifting winch 402 is used to lift and unload materials; the lifting hook 403 is used to hook the materials to be hoisted.

[0030] As Figure 4As shown in the figure, the horizontal movement component 3 includes a movement servo motor 301, a first fixed plate 302, a first driven gear 303, a driving gear 304, a second driven gear 305, a connecting rod 306, a suspension ring 307, a second fixed plate 308, a third driven gear 309, and a fourth driven gear 310; the first fixed plate 302 and the second fixed plate 308 are arranged in a mirror image, the side of the first fixed plate 302 adjacent to the second fixed plate 308 is the inner side, and the side far from it is the outer side; both ends of the connecting rod 306 are fixedly connected by threads to the lower sides of the first fixed plate 302 and the second fixed plate 308 respectively, the upper end of the suspension ring 307 is sleeved on the middle of the connecting rod 306, and the connecting hook 401 in the lifting component 4 hooks the lower end of the suspension ring 307 to realize the connection between the horizontal movement component 3 and the lifting component 4; the movement servo motor 301 is fixedly arranged on the outer side of the upper end of the first fixed plate 302, the rotating shaft of the movement servo motor 301 passes through the through hole in the first fixed plate 302 and penetrates to the inner side of the first fixed plate 302, and a driving gear 304 is fixedly arranged at its end; a first driven gear 303 and a second driven gear 305 are respectively arranged at corresponding positions on both sides of the driving gear 304, wherein the first driven gear 303 meshes with the driving gear 304, and the first driven gear 303 and the second driven gear 305 are rotatably arranged on the inner side of the first fixed plate 302; the third driven gear 309 and the fourth driven gear 310 are respectively corresponding to the first driven gear 303 and the second driven gear 305 in position and are rotatably arranged on the inner side of the second fixed plate 308. For the device involved in the present utility model, by driving the driven gears to rotate through the movement servo motor 301 and cooperating with the rack guide 11 in the cross beam 1, the precise movement of the material in the horizontal direction can be realized, and when the driving stops, the relative sliding between the horizontal movement component 3 and the cross beam 1 can be prevented.

[0031] A hoisting device for road and bridge construction provided by the present utility model can greatly improve the material hoisting efficiency and ensure construction safety by hoisting the material through a hoisting winch; the horizontal movement of the material can be realized by the cooperation of the rack track and the gear in the horizontal movement component, the discharging can be precisely adjusted, and at the same time, the relative position of the material during the material transfer process can be restricted to ensure the safety during the material transfer process.

[0032] It can be understood that, as can be seen from the attached drawings, in the embodiments of the present utility model, the fixed connection and relative sliding of each component can be realized in the conventional manner of the prior art, and the specific implementation manners are not further elaborated in the specification of the present utility model.

[0033] The above embodiments and the descriptions in the specification only illustrate the principle and the best embodiments of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed.

Claims

1. A hoisting device for road and bridge construction, comprising a cross beam (1), a fixing member (2), a horizontal moving component (3), a lifting component (4), a bracket (5), and a traveling mechanism (6); characterized in that: There are two brackets (5). The upper ends of the two brackets (5) are respectively fixedly connected to both ends of the cross beam (1) through fixing parts (2). The cross beam (1) is in the shape of "I". Rack guides (11) are symmetrically arranged on the left and right on the "-" part below the "I" shape of the cross beam (1). The horizontal movement assembly (3) is hung below the cross beam (1). The horizontal movement is realized by the engagement of the gears in the horizontal movement assembly (3) with the rack guides (11). The lifting assembly (4) is suspended below the horizontal movement assembly (3). A traveling mechanism (6) is arranged at the bottom of the two brackets (5).

2. The hoisting device for road and bridge construction according to claim 1, characterized in that: The traveling mechanism (6) adopts a roller structure. Two groups of rollers are respectively arranged at the bottom ends of the two brackets (5).

3. A hoisting device for road and bridge construction according to claim 1, characterized in that: The traveling mechanism (6) adopts a drag chain structure and is respectively arranged at the bottom ends of the two brackets (5).

4. A hoisting device for road and bridge construction according to claim 1, characterized in that: The lifting assembly (4) includes a connecting hook (401), a lifting winch (402), and a lifting hook (403). The lifting assembly (4) is suspended below the horizontal movement assembly (3) through the connecting hook (401).

5. A hoisting device for road and bridge construction according to any one of claims 2-4, characterized in that: The horizontal movement assembly (3) includes a moving servo motor (301), a first fixing plate (302), a first driven gear (303), a driving gear (304), a second driven gear (305), a connecting rod (306), a suspension ring (307), a second fixing plate (308), a third driven gear (309), and a fourth driven gear (310); the first fixing plate (302) and the second fixing plate (308) are arranged in a mirror image; both ends of the connecting rod (306) are respectively fixed below the first fixing plate (302) and the second fixing plate (308) through threaded connections, and the upper end of the suspension ring (307) is sleeved in the middle of the connecting rod (306); the moving servo motor (301) is fixedly arranged on the outer side of the upper end of the first fixing plate (302). The rotating shaft of the moving servo motor (301) passes through the through hole on the first fixing plate (302) and penetrates to the inner side of the first fixing plate (302), and a driving gear (304) is fixedly arranged at its end; a first driven gear (303) and a second driven gear (305) are respectively arranged at corresponding positions on both sides of the driving gear (304); the third driven gear (309) and the fourth driven gear (310) are respectively corresponding to the first driven gear (303) and the second driven gear (305) in position and are rotatably arranged on the inner side of the second fixing plate (308).

6. The hoisting device for road and bridge construction according to claim 5, characterized in that: The connecting hook (401) in the lifting assembly (4) hooks the lower end of the suspension ring (307) to realize the connection between the horizontal movement assembly (3) and the lifting assembly (4).

7. The hoisting device for road and bridge construction according to claim 5, characterized in that: The moving servo motor (301) adopts a DC servo motor.

8. A hoisting device for road and bridge construction according to claim 5, characterized in that: The first driven gear (303) meshes with the driving gear (304). The first driven gear (303) and the second driven gear (305) are rotatably arranged on the inner side of the first fixing plate (302).