CN215210598U

CN215210598U - Incremental launching power device for bridge construction

Info

Publication number: CN215210598U
Application number: CN202120764369.5U
Authority: CN
Inventors: 孙军成; 朱映华; 丁圣明; 田安禄
Original assignee: Jiangsu Qibang Construction Supervision Co ltd
Current assignee: Jiangsu Qibang Construction Supervision Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-12-17
Anticipated expiration: 2031-04-14

Abstract

The application relates to a bridge construction pushing power device, which comprises a main body, a jacking oil cylinder arranged at the lower end of the main body, an upper sliding mechanism arranged at the upper end of the main body and a pushing oil cylinder; the main part is also provided with a supporting component, the supporting component comprises a sliding rod arranged on the main part, the sliding rod is arranged along the moving direction of the top sliding mechanism, and a sliding table in sliding fit with the sliding rod is fixed on the upper sliding mechanism. The sliding table and the sliding rod can provide certain supporting force, so that the interaction force between the upper sliding mechanism and the main body is shared, the pressure intensity borne by the main body is reduced, and the service life of the pushing power device is effectively prolonged.

Description

Incremental launching power device for bridge construction

Technical Field

The application relates to the field of bridge construction equipment, in particular to a pushing power device for bridge construction.

Background

At present, in the construction of a large-span bridge, a pushing construction method is generally used. In the construction process of the incremental launching construction method, an incremental launching device is needed to apply an incremental launching force to the prefabricated bridge section to enable the bridge section to move, and therefore the beam section is built.

The conventional pushing device is a walking type pushing machine, which includes a jacking cylinder, an upper sliding mechanism and a pushing cylinder. The upper sliding mechanism is used for being abutted against the beam section, the jacking oil cylinder is used for pushing the upper sliding mechanism and lifting the beam section, and the pushing oil cylinder is used for pushing the upper sliding mechanism and the beam section to move, so that the beam section is pushed.

In order to ensure that the upper sliding mechanism normally moves under the working condition of high load, the sliding surface of the upper sliding mechanism can be set to be a mirror surface, and the friction coefficient is small. However, the weight of the beam section directly acts on the sliding surface of the upper sliding mechanism, and the area of the sliding surface is limited, so that the sliding surface always bears larger pressure, which is not beneficial to prolonging the service life of the thruster.

SUMMERY OF THE UTILITY MODEL

The application provides a top pushes away power device in bridge construction has higher life.

The application provides a bridge construction top pushes away power device adopts following technical scheme:

a bridge construction pushing power device comprises a main body, a jacking oil cylinder arranged at the lower end of the main body, an upper sliding mechanism arranged at the upper end of the main body and a pushing oil cylinder;

still be provided with supporting component in the main part, supporting component is including setting up the slide bar in the main part, the slide bar sets up along top glide machanism's moving direction, be fixed with on the glide machanism of upper portion with slide bar sliding fit's slip table.

Through adopting above-mentioned technical scheme, slip table and slide bar can provide certain holding power to share the interact power between upper portion glide machanism and the main part, thereby reduce the pressure that the main part received, effectively promote top power device's life-span.

Preferably, the sliding rod is fixed on the main body through a connecting frame, the connecting frame is located below the sliding rod, an extending portion extending to the position right above the sliding rod is arranged on the upper sliding mechanism, and the sliding sleeve is fixed at the lower end of the extending portion.

Through adopting above-mentioned technical scheme, the slide bar can provide effectual holding power to the slip table to the load that makes upper portion glide machanism receive shares to the slide bar on, promotes upper portion glide machanism's working life.

Preferably, the cross section of the sliding rod is in a trapezoidal arrangement, the large end of the sliding rod faces upwards, and a sliding groove matched with the sliding rod is formed in the sliding table.

Through adopting above-mentioned technical scheme, the main aspects of slide bar are up, can provide great area of contact to reduce pressure, promote working life.

Preferably, both sides of the main body in the length direction are provided with transverse grooves, and the transverse grooves are arranged in a reverse direction along the movement of the upper sliding mechanism; the upper sliding mechanism is provided with a bearing plate, and the bearing plate is provided with a bearing block in sliding fit with the transverse groove.

Through adopting above-mentioned technical scheme, the load that upper portion glide machanism received can further be shared to carrier block and loading board to effectively reduce the load that upper portion glide machanism and main part received, promote life.

Preferably, a plurality of transverse grooves are arranged and distributed along the vertical direction; the bearing blocks are also provided with a plurality of transverse grooves which are in one-to-one correspondence.

Through adopting above-mentioned technical scheme, the area of contact between upper portion glide machanism and the main part can effectively be promoted in the setting of a plurality of cross slots and a plurality of carrier block to reduce the pressure between upper portion glide machanism and the main part.

Preferably, the inner wall of the sliding groove and the side wall of the bearing block are both mirror surfaces.

Through adopting above-mentioned technical scheme, can make to have less frictional force between spout and the carrier block, promote upper portion glide machanism's working life.

Preferably, the bottom surface of the bearing block is set to be a horizontal plane; the side wall of the bearing block, which is back to the bearing plate, is provided with an inclined surface, and the inclined surface faces to the obliquely upper part.

Through adopting above-mentioned technical scheme, the bottom surface level setting of carrier block can play better supporting effect, promotes the load-carrying capacity of carrier block.

Preferably, the included angle between the side wall of the bearing block back to the bearing plate and the horizontal plane is not less than 60 degrees; the cross section of the transverse groove corresponds to the cross section of the bearing block.

Through adopting above-mentioned technical scheme, can guarantee that the carrier block has higher shear strength to guarantee the normal work of carrier block.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sliding table and the sliding rod can provide a certain supporting force, so that the interaction force between the upper sliding mechanism and the main body is shared, the pressure intensity borne by the main body is reduced, and the service life of the pushing power device is effectively prolonged;

2. the bearing block and the bearing plate can further share the load borne by the upper sliding mechanism, so that the load borne by the upper sliding mechanism and the load borne by the main body are effectively reduced, the service life is prolonged, and the bearing block has high shear strength, so that the normal work of the bearing block is ensured;

3. the cross section of the slide bar is in a trapezoidal arrangement, and the large end of the slide bar faces upwards, so that a large contact area can be provided, the pressure intensity is reduced, and the service life is prolonged.

Drawings

FIG. 1 is a structure of a bridge construction pushing power device in an embodiment of the application;

fig. 2 is a schematic structural view for showing a support assembly.

In the drawings, the reference numbers: 1. a main body; 2. a pushing oil cylinder; 3. an upper sliding mechanism; 31. an extension portion; 4. a jacking oil cylinder; 5. a support assembly; 51. a connecting frame; 52. a slide bar; 53. a sliding table; 54. a carrier plate; 55. and a bearing block.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses incremental launching power device for bridge construction. Referring to fig. 1, the bridge construction pushing power device comprises a square main body 1, an upper sliding mechanism 3 and a pushing cylinder 2 are arranged at the upper end of the main body 1 in a sliding mode, the pushing cylinder 2 is located on the upper sliding mechanism 3, and the pushing cylinder 2 can push the upper sliding mechanism 3 to move along the length direction of the main body 1. The lower end of the main body 1 is provided with a jacking oil cylinder 4, the jacking oil cylinder 4 can lift the main body 1 and the upper sliding mechanism 3, and the jacking oil cylinder 4 and the pushing oil cylinder 2 work at intervals, so that walking type pushing action is realized.

Referring to fig. 1 and 2, the main body 1 is provided with support members 5 at both sides in a length direction thereof. The support assembly 5 includes a link frame 51 fixed to the main body 1 and a slide bar 52 provided on the link frame 51. The link frame 51 and the slide bar 52 are disposed along the length direction of the main body 1. The cross section of the sliding rod 52 is in a trapezoid shape, the large end of the sliding rod 52 faces upwards, and the small end of the sliding rod 52 is fixed on the main body 1. The upper sliding mechanism 3 is provided with two extending portions 31, the two extending portions 31 are symmetrically distributed on two sides of the length direction of the main body 1, the extending portions 31 extend to the positions right above the sliding rods 52, sliding tables 53 are fixed at the lower ends of the extending portions 31, and sliding grooves matched with the sliding rods 52 are formed in the sliding tables 53, so that the sliding tables 53 can move along the sliding rods 52.

Referring to fig. 2, a bearing plate 54 is further provided between the slide table 53 and the main body 1, and the bearing plate 54 is fixed to the lower end of the extension 31. One side of the bearing plate 54 facing the main body 1 is provided with a plurality of bearing blocks 55, and the plurality of bearing blocks 55 are distributed along the vertical direction and are all arranged along the length direction of the main body 1. The bottom surface of the bearing block 55 is set to a horizontal surface. The bearing blocks 55 are inclined upward toward the side walls of the main body 1 and set at an angle of 60 ° with respect to the horizontal plane. The angle between the inclined surface and the horizontal plane may be set to any angle greater than 60 ° to ensure that the carrier block 55 has a high shear strength.

Referring to fig. 2, a lateral groove corresponding to the shape of the bearing block 55 is formed on one side of the main body 1 facing the bearing plate 54, and the bearing block 55 is in sliding fit with the lateral groove, so that the bearing block 55 can move along the length direction of the lateral groove. The inner wall of the transverse groove and the side wall of the bearing block 55 are both mirror surfaces, so that the bearing block 55 and the transverse groove have smaller friction force, and the service life of the pushing device is ensured.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a bridge construction top pushes away power device which characterized in that: comprises a main body (1), a jacking oil cylinder (4) arranged at the lower end of the main body (1), an upper sliding mechanism (3) arranged at the upper end of the main body (1) and a jacking oil cylinder (2);

still be provided with supporting component (5) on main part (1), supporting component (5) are including setting up slide bar (52) on main part (1), the moving direction setting of top glide machanism (3) is followed in slide bar (52), be fixed with on upper portion glide machanism (3) with slide bar (52) sliding fit's slip table (53).

2. The bridge construction pushing power device of claim 1, wherein: the sliding rod (52) is fixed on the main body (1) through a connecting frame (51), the connecting frame (51) is located below the sliding rod (52), an extending portion (31) extending to the position right above the sliding rod (52) is arranged on the upper sliding mechanism (3), and the sliding table (53) is fixed at the lower end of the extending portion (31).

3. The bridge construction pushing power device of claim 2, wherein: the cross section of the sliding rod (52) is in a trapezoidal arrangement, the large end of the sliding rod (52) faces upwards, and a sliding groove matched with the sliding rod (52) is formed in the sliding table (53).

4. The bridge construction pushing power device of claim 1, wherein: the two sides of the main body (1) in the length direction are both provided with transverse grooves which are arranged along the moving direction of the upper sliding mechanism (3) in a reverse direction; a bearing plate (54) is arranged on the upper sliding mechanism (3), and a bearing block (55) in sliding fit with the transverse groove is arranged on the bearing plate (54).

5. The bridge construction pushing power device of claim 4, wherein: the number of the transverse grooves is multiple, and the plurality of the transverse grooves are distributed along the vertical direction; the bearing blocks (55) are also provided in a plurality and correspond to the transverse grooves one by one.

6. The bridge construction pushing power device of claim 4, wherein: the inner wall of the transverse groove and the side wall of the bearing block (55) are mirror surfaces.

7. The bridge construction pushing power device of claim 4, wherein: the bottom surface of the bearing block (55) is set to be a horizontal plane; the side wall of the bearing block (55) opposite to the bearing plate (54) is provided with an inclined surface, and the inclined surface is arranged towards the obliquely upper direction.

8. The bridge construction pushing power device of claim 7, wherein: the included angle between the side wall of the bearing block (55) back to the bearing plate (54) and the horizontal plane is not less than 60 degrees; the cross-sectional shape of the cross-groove corresponds to the cross-sectional shape of the bearing block (55).