CN217078442U

CN217078442U - Hoisting device for box girder wet joint template

Info

Publication number: CN217078442U
Application number: CN202220484872.XU
Authority: CN
Inventors: 荣万疆; 赵丰; 薛国辉; 练海钧; 华福宇; 全伟
Original assignee: China National Chemical Engineering No14 Construction Co ltd
Current assignee: China National Chemical Engineering No14 Construction Co ltd
Priority date: 2022-01-07
Filing date: 2022-03-08
Publication date: 2022-07-29
Anticipated expiration: 2032-03-08

Abstract

The invention provides a hoisting device of a box girder wet joint template, which comprises a detachable assembled guide rail arranged on a flange plate, the detachable assembled guide rail is provided with a slide block capable of sliding along the detachable assembled guide rail, the middle part of the top surface of the slide block is provided with a winch in a matching way, the right side of the top surface is connected with a bracket through a bolt, the middle part of the bracket is provided with an installation block, the lower part of the installation block is provided with a pulley assembly, the pulley assembly comprises two support plates which are symmetrically arranged front and back, a main pulley and an auxiliary pulley which are arranged up and down are arranged between the two support plates, after a lifting rope of the winch passes through the left side of the bracket, sequentially passes around the main pulley and the auxiliary pulley and is connected with a threaded sleeve barrel which is a cylindrical structure with an opening at the lower end, the inner part of the wet joint template is provided with internal threads, the middle part of the wet joint template is penetrated with a connecting screw rod, the connecting screw rod is matched with the internal threads, and the threaded end of the connecting screw rod penetrates through the wet joint template and then is in threaded connection with the threaded sleeve barrel. The invention can effectively improve the hoisting speed of the wet joint template and simultaneously ensure the hoisting quality.

Description

Hoisting device for box girder wet joint template

Technical Field

The invention relates to the technical field of rongeur, in particular to a hoisting device for a box girder wet joint template.

Background

The installation process of the wet joint template of the conventional assembly type continuous beam bridge is as follows: the foundation installation scheme is processed → the foundation bearing capacity is detected → the bracket is erected → the template is installed → the template is dismantled → the bracket is dismantled. The construction method has high requirements on geology and surrounding environment, and must have enough working surface and good geological condition. However, many bridges span areas with poor geology, and the cost for erecting the support is high, which undoubtedly increases the cost and the construction period for bridge construction.

Disclosure of Invention

In order to solve the problems, the invention discloses a hoisting device for a box girder wet joint template.

The specific scheme is as follows:

the utility model provides a hoist device of wet seam template of case roof beam for hoist and mount wet seam template, its characterized in that: comprises a detachable assembled guide rail arranged on a flange plate, a slide block capable of sliding along the detachable assembled guide rail is arranged on the detachable assembled guide rail, the middle part of the top surface of the sliding block is provided with a winch in a matching way, the right side of the top surface is connected with a bracket through a bolt, the bracket is in an arrow shape with the middle part protruding upwards, a mounting block is arranged below the middle part of the pulley block, a pulley component is arranged below the mounting block, the pulley component comprises two supporting plates which are symmetrically arranged front and back, a main pulley and an auxiliary pulley which are arranged up and down are arranged between the two supporting plates, the lifting rope of the winch sequentially bypasses the main pulley and the auxiliary pulley after passing through the left side of the bracket and is connected with a threaded sleeve barrel which is of a barrel-shaped structure with an opening at the lower end, the wet joint template is internally provided with internal threads, the middle part of the wet joint template is penetrated with a connecting screw rod, the connecting screw rod is matched with the internal threads, and the threaded end of the connecting screw rod is connected with the threaded sleeve barrel through threads after penetrating through the wet joint template.

As a further improvement of the invention, the detachable assembled guide rail comprises a plurality of guide rail main bodies which are connected in a tail-ending manner, two ends of each guide rail main body are detachably fixed on the flange plates through bolts, a sliding groove with an inverted T-shaped section is formed in the top surface of each guide rail main body along the length direction, and the bottom of each sliding block is matched with the corresponding sliding groove and can be slidably arranged in the corresponding sliding groove. The guide rail main bodies can be laid quickly according to the actual number and length of the hoisting stations, and the consistency of each hoisting position can be ensured and the hoisting quality is improved due to the adoption of the guide rail main bodies.

As a further improvement of the invention, the bottoms of the left and right ends of the bracket are symmetrically provided with connecting plates, wherein the connecting plate on the left side is fixed on the sliding block through a bolt, the connecting plate on the right side is provided with an adjustable propping piece, the adjustable propping piece comprises a screw rod in threaded connection with the connecting plate, the screw rod is vertically arranged, the upper end of the screw rod is provided with an adjusting handle, the lower end of the screw rod penetrates through the connecting plate and is provided with a supporting pad, the supporting pad is supported on the flange plate, and the adjustable propping piece is adjusted to ensure that the two ends of the bracket are at the same height and ensure the stability of the bracket during hoisting.

As a further improvement of the invention, the main pulley is arranged on the central axis of the bracket, the auxiliary pulley is arranged at the lower right of the main pulley, and the tangent of the leftmost side of the auxiliary pulley is collinear with the central axis of the bracket. By adopting the auxiliary pulley, the last fishing section of the lifting rope and the central axis of the bracket can be ensured to be collinear, and the stability during hoisting is further improved.

As a further improvement of the invention, a perforation for the hanging rope to pass through is arranged on the left side of the bracket.

The invention has the beneficial effects that: the structure is unique, and the bracket can conveniently and rapidly move to the next hoisting position on the flange plate by installing the guide rail on the flange plate of the box girder and matching with the sliding block which can slide along the guide rail; the winch is arranged on the sliding block in a matched mode, so that the weight of the sliding block can be increased, the stability of the sliding block during sliding can be improved, one end of the supporting frame can be supported well, and the height-adjustable jacking piece is adopted at the other end of the support frame, so that the stability of the supporting frame during hoisting can be further ensured; the pulley assembly and the auxiliary pulley can ensure that the lifting rope is arranged at the central axis position of the support, so that the stability of the support is improved, and the lifting safety is ensured.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

List of reference numerals:

1-wet joint template, 2-flange plate, 3-sliding block, 4-winch, 5-bracket, 6-mounting block, 7-support plate, 8-main pulley, 9-auxiliary pulley, 10-thread sleeve barrel, 11-connecting screw rod, 12-guide rail main body, 13-connecting plate, 14-screw rod, 15-adjusting handle, 16-support pad and 17-perforation.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.

As shown in the figure, the hoisting device for the box girder wet joint template is used for hoisting the wet joint template 1 and comprises a detachable assembled guide rail arranged on a flange plate 2, a slide block 3 capable of sliding along the detachable assembled guide rail is arranged on the detachable assembled guide rail, a winch 4 is arranged in the middle of the top surface of the slide block 3 in a matching way, the right side of the top surface is connected with a bracket 5 through a bolt, the bracket 5 is in an arrow head shape with the middle part protruding upwards, an installation block 6 is arranged below the middle part of the bracket, a pulley component is arranged below the installation block 6 and comprises two support plates 7 which are symmetrically arranged front and back, a main pulley 8 and an auxiliary pulley 9 are arranged between the two support plates 7 up and down, a lifting rope of the winch 4 sequentially bypasses the main pulley 8 and the auxiliary pulley 9 after passing through the left side of the bracket and is connected with a threaded sleeve 10, the threaded sleeve 10 is in a cylindrical structure with an opening at the lower end, an internal thread is arranged in the threaded sleeve, a connecting screw rod 11 is arranged in the middle part of the wet joint template 1 in a penetrating way, the connecting screw rod 11 is matched with the internal thread, and the thread end of the connecting screw rod is connected with the thread sleeve barrel 10 in a threaded manner after penetrating through the wet joint template 1.

In this embodiment, the guide rail is assembled in detachable type includes a plurality of end to end's guide rail main part 12, and bolt detachable fixes on flange plate 2 at the both ends of guide rail main part 12, offers the spout that the cross-section is the type of falling T along length direction on its top surface, and the bottom and the spout looks adaptation of slider 3 to slidable arranges in the spout. The guide rail main bodies can be laid quickly according to the actual number and length of the hoisting stations, and the consistency of each hoisting position can be ensured and the hoisting quality is improved due to the adoption of the guide rail main bodies.

In this embodiment, the bottom of both ends symmetry is equipped with connecting plate 13 about support 5, wherein, be located left connecting plate 13 and pass through the bolt fastening on slider 3, be located right side connecting plate and be equipped with adjustable shoring piece, adjustable shoring piece includes screw rod 14 with connecting plate 13 threaded connection, 14 vertical settings of screw rod, its upper end is equipped with adjustment handle 15, the lower extreme is equipped with after passing connecting plate 13 and supports to fill up 16, support to fill up 16 and support on flange board 2, through adjusting adjustable shoring piece, can guarantee that the support both ends are on same height, stability when guaranteeing support hoist and mount.

In the present embodiment, the main pulley 8 is disposed on the central axis of the bracket 5, and the sub-pulley 9 is disposed at the lower right of the main pulley 8, and the leftmost tangent thereof is collinear with the central axis of the bracket 5. By adopting the auxiliary pulley, the last fishing section of the lifting rope and the central axis of the bracket can be ensured to be collinear, and the stability during hoisting is further improved.

In this embodiment, a through hole 17 through which the lifting rope passes is opened on the left side of the bracket 5.

The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims

1. The utility model provides a hoist device of wet seam template of case roof beam for hoist and mount wet seam template (1), its characterized in that: the detachable assembling guide rail comprises a detachable assembling guide rail arranged on a flange plate (2), wherein a sliding block (3) capable of sliding along the detachable assembling guide rail is arranged on the detachable assembling guide rail, a winch (4) is installed in the middle of the top surface of the sliding block (3) in a matched mode, a support (5) is connected to the right side of the top surface through a bolt, the support (5) is in an arrow-head shape with an upward convex middle part, an installation block (6) is arranged below the middle part of the support, a pulley component is arranged below the installation block (6), the pulley component comprises two support plates (7) which are symmetrically arranged front and back, a main pulley (8) and an auxiliary pulley (9) are arranged between the two support plates (7) from top to bottom, a lifting rope of the winch (4) sequentially bypasses the main pulley (8) and the auxiliary pulley (9) after passing through the left side of the support and is connected with a threaded sleeve (10), and the threaded sleeve (10) is in a cylindrical structure with an opening at the lower end, the wet joint forming die is characterized in that internal threads are arranged in the wet joint forming die (1), a connecting screw rod (11) penetrates through the middle of the wet joint forming die (1), the connecting screw rod (11) is matched with the internal threads, and the thread end of the connecting screw rod is connected with the thread sleeve barrel (10) in a threaded mode after penetrating through the wet joint forming die (1).

2. The hoisting device of the box girder wet joint template as recited in claim 1, wherein: the detachable guide rail of assembling includes a plurality of guide rail main parts (12) that end to end, the both ends of guide rail main part (12) are passed through bolt detachable and are fixed on flange board (2), offer the spout of cross-section for the type of falling T along length direction on its top surface.

3. The hoisting device of the box girder wet joint template as recited in claim 2, wherein: the bottom of the sliding block (3) is matched with the sliding groove and can be slidably arranged in the sliding groove.

4. The hoisting device of the box girder wet joint template as recited in claim 1, wherein: the bottom of the left end and the right end of the support (5) are symmetrically provided with connecting plates (13), wherein the connecting plate (13) positioned on the left side is fixed on the sliding block (3) through bolts, and the connecting plate positioned on the right side is provided with an adjustable supporting piece.

5. The hoisting device of the box girder wet joint template as claimed in claim 4, wherein: the adjustable top support piece comprises a screw (14) in threaded connection with the connecting plate (13), the screw (14) is vertically arranged, an adjusting handle (15) is arranged at the upper end of the screw, a supporting pad (16) is arranged at the lower end of the screw after penetrating through the connecting plate (13), and the supporting pad (16) is supported on the flange plate (2).

6. The hoisting device of the box girder wet joint template as recited in claim 1, wherein: the main pulley (8) is arranged on the central axis of the bracket (5), the auxiliary pulley (9) is arranged at the right lower part of the main pulley (8), and the tangent line at the leftmost side of the auxiliary pulley is collinear with the central axis of the bracket (5).

7. The hoisting device of the box girder wet joint template as recited in claim 1, wherein: a through hole (17) for the lifting rope to pass through is arranged on the left side of the bracket (5).