CN221420456U - Crane base for road and bridge construction - Google Patents

Abstract

The utility model discloses a road bridge construction crane base, which relates to the technical field of road bridge construction and comprises an inner supporting column and an outer supporting column, wherein the lower side of the outer supporting column is fixedly connected with a moving mechanism, the lower side of the moving mechanism is provided with a guide rail mechanism.

Description

Crane base for road and bridge construction

Technical Field

The utility model relates to the technical field of road and bridge construction, in particular to a crane base for road and bridge construction.

Background

Along with the continuous acceleration of the urban process, road and bridge construction becomes an indispensable part of urban construction. In road and bridge construction, the crane is one of indispensable equipment, and can effectively improve the construction efficiency, reduce the labor cost and ensure the construction safety. The portal crane is common heavy lifting equipment, and the portal structure of the portal crane consists of two upright posts and a cross beam. The device is used for carrying goods or carrying out loading and unloading operations in the road bridge construction process.

However, in the prior art, in the process of carrying goods, the gravity center of the goods is offset due to different shapes and binding positions of the goods, and in the process of moving the portal bridge crane, the whole frame can shake, especially shake transversely, so that the carrying or loading and unloading of the goods can be influenced.

Disclosure of utility model

The utility model provides a road and bridge construction crane base, which aims to solve the problems that in the prior art, the gravity center of goods is deviated due to different shapes of goods, different binding positions and the like, and the whole frame can shake, particularly the horizontal shake, during the movement of a portal road and bridge crane, so that the carrying or loading and unloading of the goods can be influenced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a road bridge construction hoist base, includes interior vaulting post and overcoat post, the downside fixedly connected with moving mechanism of overcoat post, moving mechanism's downside is provided with guide rail mechanism, guide rail mechanism includes long guide rail, inclined groove has all been seted up at long guide rail's upside both ends, moving mechanism includes chassis, roller component and drive arrangement, roller part is round platform shape in the roller component, and a plurality of roller component divide into two sets of and fixed mounting the downside of chassis, roller component's round platform surface with inclined groove roll connection, just roller component's gyro wheel lateral wall with inclined groove's lateral wall butt, drive arrangement fixed mounting is in the chassis downside, just drive arrangement and two roller component's roller part transmission is connected.

Preferably, the two ends of the underframe are fixedly connected with ear blocks, and the middle part of each group of ear blocks is in threaded connection with a threaded rod.

Preferably, the upper end fixedly connected with rotary disk of threaded rod, the lower extreme fixedly connected with bottom block of threaded rod.

Preferably, the middle part of the upper side of the underframe is fixedly connected with the lower side of the outer sleeve column, and the two ends of the upper side of the underframe are both rotationally connected with reinforcing rods.

Preferably, the upper ends of the two groups of reinforcing rods are connected with the upper ends of the outer sleeve columns in a rotating way, and an electric cylinder is fixedly arranged on one side of each outer sleeve column.

Preferably, the upper end of the electric cylinder is fixedly connected with a side block, and one side of the side block is fixedly connected with one side of the inner supporting column.

Preferably, a plurality of groups of positioning holes are formed in the middle of the inner supporting column, and the inner supporting column and the outer supporting column penetrate through the positioning holes to limit.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. According to the utility model, power is transmitted to the roller assemblies at two sides through the driving device, so that the rest roller assemblies are driven to roll, the base of the bridge construction crane is driven to move on the long guide rail, the roller portions of the roller assemblies are in the shape of a round table and are attached to the inclined surface of the inclined groove to roll, the inclined groove provides supporting force vertical to the inclined surface for the roller assemblies, the supporting force is decomposed into horizontal component force and vertical component force, the vertical component force is used for supporting the base and goods, the two groups of roller assemblies are in mirror symmetry, and the horizontal component force faces two sides respectively, so that the horizontal component force is used for counteracting horizontal shaking power, the shaking amplitude of the base is reduced, and the stability of the base when the goods are moved is improved.

2. According to the utility model, the movable rod of the electric cylinder stretches to push the side block, so that the inner supporting column is pushed to move upwards in the outer sleeve column, the height is adjusted according to the requirement, the rotating disk is rotated, the rotating disk drives the threaded rod to rotate in the ear block, the threaded rod moves downwards to push the bottom block to prop against the upper surface of the long guide rail, and therefore the base is temporarily fixed for fixed-point operation, and the practicability of the base is improved.

Drawings

Fig. 1 is a schematic perspective view of a base of a bridge crane according to the present utility model;

FIG. 2 is an elevation view of a foundation of a bridge construction crane according to the present utility model;

FIG. 3 is a side view of a foundation of a bridge construction crane according to the present utility model;

Fig. 4 is an enlarged perspective view of fig. 3a according to the present utility model.

Legend description: 1. an inner strut; 11. positioning holes; 12. a side block; 13. an electric cylinder; 2. an outer sleeve column; 21. a reinforcing rod; 22. ear pieces; 23. a rotating disc; 24. a threaded rod; 25. a bottom block; 3. a guide rail mechanism; 31. a long guide rail; 32. an inclined groove; 4. a moving mechanism; 41. a chassis; 42. a roller assembly; 43. a driving device.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

As shown in fig. 1-4, the utility model provides a crane base for road and bridge construction, which comprises an inner strut 1 and an outer strut 2, wherein a moving mechanism 4 is fixedly connected to the lower side of the outer strut 2, a guide rail mechanism 3 is arranged on the lower side of the moving mechanism 4, the guide rail mechanism 3 comprises a long guide rail 31, inclined grooves 32 are formed in two ends of the upper side of the long guide rail 31, the moving mechanism 4 comprises a bottom frame 41, roller assemblies 42 and a driving device 43, the roller assemblies 42 are in a round table shape, the roller assemblies 42 are divided into two groups and are fixedly arranged on the lower side of the bottom frame 41, the round table surface of the roller assemblies 42 is in rolling connection with the inclined grooves 32, the roller side walls of the roller assemblies 42 are in abutting connection with the side walls of the inclined grooves 32, the driving device 43 is fixedly arranged on the lower side of the bottom frame 41, and the driving device 43 is in transmission connection with the roller portions of the two roller assemblies 42.

The specific arrangement and function of the present embodiment will be specifically described below: the length of the long guide rail 31 is customized according to actual requirements and the long guide rail 31 is installed on the ground, the plurality of roller assemblies 42 are divided into two groups which are in mirror symmetry, the two groups are clamped at the middle protruding part of the long guide rail 31, the driving device 43 is started by electrifying, the driving device 43 is a motor driving part, the driving device 43 transmits power to the roller assemblies 42 at two sides, so that the rest plurality of roller assemblies 42 are driven to roll, the road bridge crane base is driven to move on the long guide rail 31, the roller assemblies 42 are in a round table shape and are attached to the inclined plane of the inclined groove 32 to roll, the inclined groove 32 provides supporting force vertical to the inclined plane for the roller assemblies 42, the supporting force is decomposed into horizontal component force and vertical component force, the vertical component force is used for supporting the base and goods, the two groups of roller assemblies 42 in mirror symmetry are respectively oriented to two sides, so that the horizontal component force is used for counteracting horizontal shaking force, the base shaking amplitude is reduced, and the stability of the base moving goods is improved.

Example two

As shown in fig. 1-2, the two ends of the underframe 41 are fixedly connected with the ear blocks 22, the middle thread of each group of ear blocks 22 is connected with the threaded rod 24, the upper end of the threaded rod 24 is fixedly connected with the rotary disk 23, the lower end of the threaded rod 24 is fixedly connected with the bottom block 25, the middle part of the upper side of the underframe 41 is fixedly connected with the lower side of the outer sleeve column 2, the two ends of the upper side of the underframe 41 are rotatably connected with the reinforcing rods 21, the upper ends of the two groups of reinforcing rods 21 are jointly rotatably connected with the upper end of the outer sleeve column 2, one side of the outer sleeve column 2 is fixedly provided with the electric cylinder 13, the upper end of the electric cylinder 13 is fixedly connected with the side block 12, one side of the side block 12 is fixedly connected with one side of the inner sleeve column 1, a plurality of groups of positioning holes 11 are formed in the middle of the inner sleeve column 1 and the outer sleeve column 2 penetrate through the pins and the positioning holes 11 for limiting.

The effect that its whole embodiment reached is, through synchronous start cylinder 13, the movable rod extension of cylinder 13 promotes side piece 12 to promote interior vaulting post 1 and upwards remove in overcoat post 2, adjust the height according to the demand, run through overcoat post 2 and locating hole 11 with the bolt again, will be highly fixed, when not needing the base to remove, rotate rotary disk 23, rotary disk 23 drives threaded rod 24 and rotates in ear piece 22, threaded rod 24 moves down, promotes the upper surface of bottom piece 25 against long guide rail 31, and from this base is temporarily fixed for fixed point operation improves this base practicality.

The application method and the working principle of the device are as follows: when the road bridge construction crane base is used, the length of the long guide rail 31 is customized according to actual requirements and is arranged on the ground, the electric cylinders 13 are synchronously started, the movable rods of the electric cylinders 13 are stretched, the side blocks 12 are pushed, the inner supporting columns 1 are pushed to move upwards in the outer supporting columns 2, the heights are adjusted according to requirements, the bolts penetrate through the outer supporting columns 2 and the positioning holes 11, the heights are fixed, the plurality of roller assemblies 42 are divided into two groups, the two groups are in mirror symmetry and clamped at the protruding parts in the middle of the long guide rail 31, the driving device 43 is started by electrifying, the driving device 43 transmits power to the roller assemblies 42 at two sides, so that the rest roller assemblies 42 are driven to roll, and the road bridge construction crane base is driven to move on the long guide rail 31, the roller part of the roller assembly 42 is in a truncated cone shape and rolls in contact with the inclined surface of the inclined groove 32, the inclined groove 32 provides a supporting force perpendicular to the inclined surface for the roller assembly 42, the supporting force is divided into a horizontal component force and a vertical component force, the vertical component force is used for supporting the base and the goods, the two mirror-symmetrical roller assemblies 42 are respectively oriented to two sides, so the horizontal component force is used for counteracting the horizontal shaking force, reducing the shaking amplitude of the base and improving the stability of the base when the goods are moved, when the base is not needed to move, the rotating disc 23 is rotated, the threaded rod 24 is driven by the rotating disc 23 to rotate in the lug 22, the threaded rod 24 moves downwards, and the base 25 is pushed against the upper surface of the long guide rail 31, so that the base is temporarily fixed for fixed-point operation.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (7)

1. The utility model provides a road bridge construction hoist base, includes interior vaulting post (1) and overcoat post (2), its characterized in that: the utility model provides a movable type roller assembly structure, including overcoat post (2), downside fixedly connected with moving mechanism (4), the downside of moving mechanism (4) is provided with guide rail mechanism (3), guide rail mechanism (3) are including long guide rail (31), inclined groove (32) have all been seted up at the upside both ends of long guide rail (31), moving mechanism (4) include chassis (41), roller assembly (42) and drive arrangement (43), roller part is round platform shape in roller assembly (42), and a plurality of roller assembly (42) divide into two sets of and fixed mounting in the downside of chassis (41), the round platform surface of roller assembly (42) with inclined groove (32) roll connection, just the gyro wheel lateral wall of roller assembly (42) with the lateral wall butt of inclined groove (32), drive arrangement (43) fixed mounting are in chassis (41) downside, just drive arrangement (43) are connected with the part transmission of two roller assembly (42).

2. A road bridge construction crane base according to claim 1, characterized in that: ear blocks (22) are fixedly connected to two ends of the underframe (41), and threaded rods (24) are connected to the middle of each group of ear blocks (22) in a threaded mode.

3. A road bridge construction crane base according to claim 2, characterized in that: the upper end of the threaded rod (24) is fixedly connected with a rotary disk (23), and the lower end of the threaded rod (24) is fixedly connected with a bottom block (25).

4. A road bridge construction crane base according to claim 3, characterized in that: the middle part of the upper side of the underframe (41) is fixedly connected with the lower side of the outer sleeve column (2), and reinforcing rods (21) are rotatably connected to two ends of the upper side of the underframe (41).

5. The road bridge construction crane base according to claim 4, wherein: the upper ends of the two groups of reinforcing rods (21) are connected with the upper ends of the outer columns (2) in a rotating mode, and an electric cylinder (13) is fixedly arranged on one side of each outer column (2).

6. The road bridge construction crane base according to claim 5, wherein: the upper end of the electric cylinder (13) is fixedly connected with a side block (12), and one side of the side block (12) is fixedly connected with one side of the inner supporting column (1).

7. The road bridge construction crane base according to claim 6, wherein: the middle part of interior vaulting post (1) has seted up multiunit locating hole (11), interior vaulting post (1) with overcoat post (2) run through bolt and locating hole (11) and carry out spacingly.