CN219470683U - Adjustable tensioning operation bench - Google Patents

Abstract

The utility model discloses an adjustable tensioning operation bench which comprises a bench body, wherein the bench body comprises upright posts in a vertical state, parallel opposite top beams, parallel opposite cross beams, a hoist, a bottom plate and an adjusting device, the upright posts are arranged at four corners of the bottom plate, the end parts of top beams are connected with the top ends of the upright posts, and the cross beams are arranged between the end parts of two top beams; the slider is installed on the removal arm symmetrically, and the slider is spacing by the guide rail, has increased the firm point of balanced atress on the removal arm, and the installation piece is fixed connection with the spliced pole, and the reinforcing plate and the fixed block of fixed connection have been installed to removal arm tip, have further increased the steadiness of removal arm tip installation, avoid hoist to remove and stretch-draw the support to the bridge tip after removing arm tip position, and the steadiness of being connected between removal arm tip and the back timber receives the effort influence, takes place deformation, crack.

Description

Adjustable tensioning operation bench

Technical Field

The utility model belongs to the technical field of tensioning operation facilities for construction, and particularly relates to an adjustable tensioning operation bench.

Background

In the construction process of building engineering such as bridges and roads, the prefabricated bridges are inevitably suspended, the site construction is carried out, the construction areas are mostly suspended at the ends of the bridges, the bridge ends are required to be tensioned and supported and other fixed operations are generally carried out for guaranteeing the safety of the construction areas, a tensioning operation bench is generally used, a movable support is moved to the bridge ends, the bridge ends are tensioned and supported through a lifting jack method of a crane, and the crane is moved on a beam through a pulley rolling principle, so that the position of the jack is adjusted.

In the tensioning operation of the method, the lifting hoist is suspended on the cross beam, so that the position of the jack can be adjusted, but the cross beam is generally connected with the support through welding, the lifting hoist stretches and supports the end part of the bridge at the end part of the cross beam, the lifting hoist receives downward acting force, the connection stability between the end part of the cross beam and the support is easily affected by the acting force, deformation and cracks are easily generated, and the defects exist.

When the existing tensioning operation bench stretches the bridge end, in order to solve the problem of guaranteeing the stability of the connection between the end of the cross beam and the support, an adjustable tensioning operation bench is provided.

Disclosure of Invention

The utility model aims to provide an adjustable tensioning operation rack, which aims to solve the problem that the end of a beam is firmly connected with a bracket when the tensioning operation rack stretches the end of a bridge.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an adjustable stretch-draw operation rack, includes the rack body, the rack body includes stand, parallel opposite back timber, parallel opposite crossbeam, hoist, bottom plate and the adjusting device that is in vertical state, the stand is installed in the four corners position of bottom plate, stand and bottom plate welded connection, the tip and the top of stand of roof beam are connected, back timber and stand welded connection, the crossbeam is installed between the tip of two roof beams, crossbeam and back timber welded connection, and frame shape is constituteed with the back timber to crossbeam on the same horizontal plane, adjusting device includes the roller saddle with back timber sliding connection, with hoist installation's pulley support and adjustable position's removal arm, the bottom of removal arm is equipped with strengthening mechanism, strengthening mechanism includes backup pad, the reinforcing component who installs between roller saddle and backup pad, play the locating role, reinforcing component includes spliced pole and the erection block of modular structure, sliding component includes fixed connection's connecting plate and guide rail, slider, connecting plate and guide rail welded connection.

Preferably, the installation piece is installed on the bottom surface of wheel slide seat, installation piece and wheel slide seat welded connection, the spliced pole is installed on the surface of backup pad tip, spliced pole and backup pad welded connection, the top and the installation piece of spliced pole are isosceles trapezoid structure, the mounting groove has been seted up on the installation piece, pass through the bolt-up between installation piece and the spliced pole.

Preferably, the side of the movable arm is welded with opposite reinforcing plates, a fixed block is arranged on the surface of the supporting plate and is in welded connection with the supporting plate, the fixed block is positioned between the reinforcing plates, and the fixed block is fastened with the reinforcing plates through bolts.

Preferably, both ends of the connecting plate are respectively connected with the cross beam in a welding way, the sliding block is arranged on the top surface of the movable arm, and the sliding block is connected with the guide rail in a sliding way.

Preferably, a limiting block is arranged on the bottom surface of the movable arm, a positioning block is arranged on the supporting plate, and a positioning groove matched with the limiting block is arranged on the positioning block.

Preferably, the movable arm is provided with a dust removing component, the dust removing component comprises an electric air pump, a conveying pipe, an air injection gun nozzle and a positioning frame, the positioning frame comprises a support plate and a stabilizing plate which are arranged on the movable arm, and the support plate is connected with the movable arm in a welding way.

Preferably, the electric air pump is arranged on the support plate, the electric air pump is fastened with the support plate through bolts, a support rod is arranged between the stabilizing plate and the support plate, the support rod is fastened with the stabilizing plate and the support plate through bolts, the support rod is symmetrically distributed on two sides of the electric air pump, clamping grooves for installing the conveying pipe are formed in the stabilizing plate, and the end part of the conveying pipe is provided with the shunt pipe.

Preferably, the shunt tubes are communicated with the conveying pipes, the air jet gun nozzles are communicated with the end parts of the shunt tubes, and the air jet gun nozzles are symmetrically distributed on two sides of the top beam.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the sliding blocks are symmetrically arranged on the movable arm, the sliding blocks are limited by the guide rails, stable points for balancing stress are added on the movable arm, the mounting blocks are fixedly connected with the connecting columns, the end parts of the movable arm are provided with the fixedly connected reinforcing plates and the fixed blocks, the mounting stability of the end parts of the movable arm is further improved, the bridge end parts are prevented from being stretched and supported after the hoist is moved at the end parts of the movable arm, and the connection stability between the end parts of the movable arm and the top beam is influenced by acting force and is deformed and cracked.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1 according to the present utility model;

FIG. 3 is a schematic top view of the top beam of the present utility model;

FIG. 4 is a schematic side view of a wheel carriage according to the present utility model;

in the figure: 1. a column; 2. a top beam; 3. a cross beam; 4. hoisting hoist; 5. a moving arm; 6. a support plate; 7. an electric air pump; 8. a stabilizing plate; 9. a delivery tube; 10. a support plate; 11. an air gun nozzle; 21. a wheel slide; 31. a connecting plate; 41. a pulley support; 51. a limiting block; 52. a slide block; 53. a reinforcing plate; 91. a shunt; 101. a positioning block; 102. a fixed block; 103. a connecting column; 211. a mounting block; 311. and a guide rail.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: an adjustable tensioning operation bench comprises a stand column 1, a top beam 2, a cross beam 3, a hoist 4 and a movable arm 5, wherein a pulley support 41 on the hoist 4 slides along the length direction of the movable arm 5, a pulley seat 21 can move along the length direction of the top beam 2, the hoist 4 can adjust the lifting of tensioning components such as a jack and the like, and the Zhang Lagao-degree position can be adjusted; in order to improve the stability of the movable arm 5 on the operation bench, a guide rail 311 and a sliding block 52 which play a limiting role are arranged between the cross beam 3 and the movable arm 5, the sliding block 52 is symmetrically arranged on the movable arm 5, the sliding block 52 is limited by the guide rail 311, and a stable point for balancing stress is added on the movable arm 5; in addition, the mounting blocks 211 are mounted on the bottom of the wheel slide seat 21, the connecting columns 103 are welded on the surface of the end part of the supporting plate 10, the mounting blocks 211 and the connecting columns 103 which are in clamping connection are fastened through bolts, the reinforcing plate 53 and the fixing block 102 at the end part of the movable arm 5 are fastened through bolts, the mounting stability of the end part of the movable arm 5 is further improved, the bridge end part is prevented from being stretched and supported after the hoist 4 moves at the end part of the movable arm 5, and the connection stability between the end part of the movable arm 5 and the top beam 2 is influenced by acting force, and deformation, cracks and the like are generated; in order to ensure the smoothness of the sliding of the wheel slide seat 21, when the movable arm 5 moves, the electric air pump 7 operates to charge air into the conveying pipe 9, the conveying pipe 9 conveys air, then the air is split at two ends of the split pipe 91, and finally the air is sprayed out from the air gun nozzle 11 on the surface of the top beam 2, so that ash removal is realized, dust and the like on a surface construction site are accumulated on the top beam 2, the friction force between the pulley of the wheel slide seat 21 and the top beam 2 is increased, and the smoothness of the sliding of the wheel slide seat 21 is affected.

In summary, the sliding blocks 52 are symmetrically installed on the moving arm 5, the sliding blocks 52 are limited by the guide rail 311, the stable points for balancing the stress are added on the moving arm 5, the installation blocks 211 are fixedly connected with the connecting columns 103, the reinforcing plates 53 and the fixing blocks 102 which are fixedly connected are installed at the end parts of the moving arm 5, the installation stability of the end parts of the moving arm 5 is further improved, the situation that the bridge end parts are tensioned and supported after the hoist 4 moves at the end parts of the moving arm 5 is avoided, and the connection stability between the end parts of the moving arm 5 and the top beam 2 is influenced by the acting force and is deformed and cracked.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a stretch-draw operation rack with adjustable, includes the rack body, the rack body is including stand (1) that are in vertical state, parallel opposite back timber (2), parallel opposite crossbeam (3), hoist (4), bottom plate and adjusting device, its characterized in that: the utility model provides a stand (1) is installed in the four corners position of bottom plate, the tip of back timber (2) is connected with the top of stand (1), crossbeam (3) are installed between the tip of two back timber (2), adjusting device include with back timber (2) sliding connection's roller saddle (21), with hoist (4) pulley support (41) of installation to and adjustable position's removal arm (5), the bottom of removal arm (5) is equipped with strengthening mechanism, strengthening mechanism includes backup pad (10) parallel with removal arm (5), installs the reinforcement subassembly between roller saddle (21) and backup pad (10), plays the slip subassembly of positioning action, the reinforcement subassembly includes spliced pole (103) and installation piece (211) of modular structure, slip subassembly includes fixed connection's connecting plate (31) and guide rail (311), slider (52).

2. An adjustable tensioning work bench according to claim 1, wherein: the mounting block (211) is mounted on the bottom surface of the wheel slide seat (21), the connecting column (103) is mounted on the surface of the end part of the supporting plate (10), the top end of the connecting column (103) and the mounting block (211) are of isosceles trapezoid structures, the mounting block (211) is provided with a mounting groove, and the mounting block (211) is fastened with the connecting column (103) through bolts.

3. An adjustable tensioning work bench according to claim 1, wherein: opposite reinforcing plates (53) are welded on the side of the movable arm (5), fixing blocks (102) are arranged on the surface of the supporting plate (10), the fixing blocks (102) are located between the reinforcing plates (53), and the fixing blocks (102) are fastened with the reinforcing plates (53) through bolts.

4. An adjustable tensioning work bench according to claim 1, wherein: the two ends of the connecting plate (31) are respectively connected with the cross beam (3) in a welding way, the sliding block (52) is arranged on the top surface of the movable arm (5), and the sliding block (52) is connected with the guide rail (311) in a sliding way.

5. An adjustable tensioning work bench according to claim 1, wherein: the movable arm is characterized in that a limiting block (51) is arranged on the bottom surface of the movable arm (5), a positioning block (101) is arranged on the supporting plate (10), and a positioning groove matched with the limiting block (51) is formed in the positioning block (101).

6. An adjustable tensioning work bench according to claim 1, wherein: the movable arm (5) is provided with a dust removing component, the dust removing component comprises an electric air pump (7), a conveying pipe (9), an air jet gun nozzle (11) and a positioning frame, and the positioning frame comprises a support plate (6) and a stabilizing plate (8) which are arranged on the movable arm (5).

7. An adjustable tensioning work bench according to claim 6, wherein: the electric air pump (7) is installed on the support plate (6), a support rod is arranged between the stabilizing plate (8) and the support plate (6), the support rods are symmetrically distributed on two sides of the electric air pump (7), clamping grooves for installing the conveying pipe (9) are formed in the stabilizing plate (8), and a shunt pipe (91) is arranged at the end part of the conveying pipe (9).

8. An adjustable tensioning work bench according to claim 7, wherein: the shunt tubes (91) are communicated with the conveying pipes (9), the air jet gun nozzles (11) are communicated with the end parts of the shunt tubes (91), and the air jet gun nozzles (11) are symmetrically distributed on two sides of the top beam (2).