CN216583888U

CN216583888U - Gantry lifting appliance for bridge construction

Info

Publication number: CN216583888U
Application number: CN202122754955.4U
Authority: CN
Inventors: 江锋; 于莽; 王奇; 范思达
Original assignee: Jiangsu Huaiyin Water Conservancy Construction Co ltd
Current assignee: Jiangsu Huaiyin Water Conservancy Construction Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-05-24
Anticipated expiration: 2031-11-11

Abstract

The utility model relates to the technical field of bridge construction equipment, and discloses a gantry lifting appliance for bridge construction, which solves the problem that a round pipe column heavy object is inconvenient to lift at present and comprises a lifting beam, wherein two sides of the bottom of the lifting beam are both fixedly provided with a bracket, two sides of the bottom of the bracket are both fixedly provided with rolling wheels, the bottom of the lifting beam is fixedly provided with a sliding rail, and two sliding blocks are movably arranged on the outer side of the sliding rail; according to the utility model, by arranging the arc-shaped left arc-shaped rod and the arc-shaped right arc-shaped rod, a tubular heavy object can be placed on the top of the left arc-shaped rod, and through the matching of the rotating rod, the rotating block and the top block, when the rotating rods on two sides are opened, the upper clamping plate is lifted, the return spring is compressed, and when the control on the rotating rod is released, the return spring is reset at the moment and the upper clamping plate is lowered, and then the tubular heavy object is clamped through the left arc-shaped rod and the right arc-shaped rod, so that the tubular heavy object can be conveniently clamped and fixed.

Description

Gantry lifting appliance for bridge construction

Technical Field

The utility model belongs to the technical field of bridge construction equipment, and particularly relates to a gantry lifting appliance for bridge construction.

Background

The gantry crane is a variant of a bridge crane, is called as a gantry crane and is mainly used for loading and unloading operations of outdoor goods yards, stock yards and bulk goods.

At present, a common gantry crane realizes hoisting of a heavy object by using a lifting hook, but the lifting hook is not suitable for a round tubular heavy object, the heavy object is bound by a rope firstly when being hoisted, then the hoisting is realized by hoisting the lifting hook, and the gantry crane is not only very inconvenient to operate and long in time consumption.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the gantry lifting appliance for bridge construction, which effectively solves the problem that the circular pipe column heavy object is inconvenient to lift at present.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a longmen hoist for bridge construction, includes the hanging beam, the equal fixed mounting in bottom both sides of hanging beam has the support, and the equal fixed mounting in bottom both sides of support has the gyro wheel, and the bottom fixed mounting of hanging beam has the slide rail, and the outside movable mounting of slide rail has two sliders, and the bottom fixed mounting of slider has the telescopic link, and fixture is installed to the bottom of telescopic link.

Preferably, fixture includes two dwang of being connected with the bottom rotation of telescopic link, and the bottom swing joint that is located the left dwang has left arc pole, and the bottom swing joint that is located the dwang on right side has right arc pole.

Preferably, the right side of the left arc-shaped rod is provided with a limiting groove, the inside of the limiting groove is movably clamped with a limiting block, and the right end of the limiting block is fixedly connected with the right arc-shaped rod.

Preferably, the one end that left side arc pole and right arc pole kept away from each other all rotates and is connected with the connecting axle, connecting axle and dwang fixed connection.

Preferably, the bottom fixedly connected with sleeve of telescopic link, telescopic inside activity cup joints the movable rod, telescopic bottom fixedly connected with the movable rod activity cup joint reset spring.

Preferably, the bottom of the movable rod is fixedly connected with an ejector block, and the bottom of the ejector block is fixedly connected with an upper clamping plate.

Preferably, both sides of kicking block all rotate and are connected with the turning block, and the turning block rotates with the dwang and is connected.

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

(1) according to the utility model, by arranging the arc-shaped left arc-shaped rod and the arc-shaped right arc-shaped rod, a tubular heavy object can be placed at the top of the left arc-shaped rod, and through the matching between the rotating rod, the rotating block and the top block, when the rotating rods on two sides are opened, the upper clamping plate is lifted, and the reset spring is compressed, and when the control on the rotating rod is removed, the reset spring is reset and the upper clamping plate is lowered, and then the tubular column heavy object is clamped through the left arc-shaped rod and the right arc-shaped rod, so that the tubular column heavy object is conveniently clamped and fixed;

(2) this novel dwang and cooperation between turning block and the kicking block, when the dwang of both sides opens, the kicking block drives the punch holder rebound this moment, simultaneously through the cooperation between sleeve and movable rod and the kicking block, make the reset spring compression, and when removing the control to two dwangs, reset spring resets this moment and makes the kicking block drive the punch holder rebound this moment, punch holder carries out firm centre gripping to the tubular column heavy object with left arc pole and right arc pole this moment, thereby realize the stable hoist and mount of tubular column heavy object.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a clamping mechanism according to the present invention;

FIG. 3 is a schematic view of the structure of the left and right curved rods of the present invention;

in the figure: 1. a hanging beam; 2. a slider; 3. a slide rail; 4. a clamping mechanism; 401. rotating the rod; 402. a movable rod; 403. a left arcuate bar; 404. an upper splint; 405. a top block; 406. a right arcuate bar; 407. rotating the block; 408. a return spring; 409. a sleeve; 4010. a limiting groove; 4011. a limiting block; 5. a telescopic rod; 6. a roller; 7. and (4) a bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 3, the utility model includes a hanging beam 1, wherein two sides of the bottom of the hanging beam 1 are both fixedly provided with a bracket 7, two sides of the bottom of the bracket 7 are both fixedly provided with a roller 6, the bottom of the hanging beam 1 is fixedly provided with a slide rail 3, two sliding blocks 2 are movably arranged on the outer side of the slide rail 3, the bottom of the sliding block 2 is fixedly provided with an expansion link 5, and the bottom of the expansion link 5 is provided with a clamping mechanism 4.

In the second embodiment, on the basis of the first embodiment, the clamping mechanism 4 includes two rotating rods 401 rotatably connected to the bottom of the telescopic rod 5, the bottom of the rotating rod 401 located on the left side is movably connected to a left arc-shaped rod 403, the bottom of the rotating rod 401 located on the right side is movably connected to a right arc-shaped rod 406, a limiting groove 4010 is formed in the right side of the left arc-shaped rod 403, a limiting block 4011 is movably clamped inside the limiting groove 4010, the right end of the limiting block 4011 is fixedly connected to the right arc-shaped rod 406, and the ends, away from each other, of the left arc-shaped rod 403 and the right arc-shaped rod 406 are rotatably connected to a connecting shaft which is fixedly connected to the rotating rod 401;

when the dwang 401 of pulling both sides, left arc pole 403 and right arc pole 406 can remove each other this moment, can change the angle between two dwang 401 then to the convenience is placed the tubular column heavy object at the top of left arc pole 403.

In the third embodiment, on the basis of the first embodiment, the bottom of the telescopic rod 5 is fixedly connected with a sleeve 409, the inside of the sleeve 409 is movably sleeved with a movable rod 402, the bottom end of the sleeve 409 is fixedly connected with a return spring 408 movably sleeved with the movable rod 402, the bottom of the movable rod 402 is fixedly connected with a top block 405, the bottom of the top block 405 is fixedly connected with an upper clamping plate 404, two sides of the top block 405 are rotatably connected with rotating blocks 407, and the rotating blocks 407 are rotatably connected with a rotating rod 401;

firstly, two rotating rods 401 are pulled to two sides, at the moment, the two rotating rods 401 are opened, meanwhile, the limiting block 4011 moves in the limiting groove 4010, simultaneously drives the rotating blocks 407 on the two sides to move, at the moment, the bottom ends of the rotating blocks 407 drive the top block 405 to move upwards, at the same time, the movable rod 402 moves upward and compresses the return spring 408, and at the same time, the upper clamp 404 is driven to move upward, at this time, the distance between the upper clamp 404 and the left arc-shaped rod 403 increases, then a tubular column weight is placed on top of the left arc-shaped rod 403, and then the control of the rotating rod 401 is released, at which time the return spring 408 is reset and drives the top block 405 to move downwards, meanwhile, the rotating rods 401 on the two sides are driven to fold, the limiting grooves 4010 are completely clamped into the limiting blocks 4011 at the moment, the upper clamping plate 404 is driven to move downwards at the moment until the upper clamping plate 404 and the left arc-shaped rod 403 clamp the tubular column heavy object together, and finally the tubular column heavy object is stably installed.

The working principle is as follows: in use, the two rotating rods 401 are firstly pulled to two sides, at the moment, the two rotating rods 401 are unfolded, meanwhile, the limiting block 4011 moves in the limiting groove 4010 and drives the rotating blocks 407 at the two sides to move, at this time, the bottom ends of the rotating blocks 407 drive the top block 405 to move upwards, at the same time, the movable rod 402 moves upward and compresses the return spring 408, and at the same time, the upper clamp 404 is driven to move upward, at this time, the distance between the upper clamp 404 and the left arc-shaped rod 403 increases, then a tubular column weight is placed on top of the left arc-shaped rod 403, and then the control of the rotating rod 401 is released, at which time the return spring 408 is reset and drives the top block 405 to move downwards, meanwhile, the rotating rods 401 on the two sides are driven to fold, the limiting grooves 4010 are completely clamped into the limiting blocks 4011 at the moment, the upper clamping plate 404 is driven to move downwards at the moment until the upper clamping plate 404 and the left arc-shaped rod 403 clamp the tubular column heavy object together, and finally the tubular column heavy object is stably installed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. The utility model provides a bridge construction uses longmen hoist, includes hanging beam (1), its characterized in that: the all fixed mounting in bottom both sides of hanging beam (1) has support (7), and the all fixed mounting in bottom both sides of support (7) has gyro wheel (6), and the bottom fixed mounting of hanging beam (1) has slide rail (3), and the outside movable mounting of slide rail (3) has two slider (2), and the bottom fixed mounting of slider (2) has telescopic link (5), and fixture (4) are installed to the bottom of telescopic link (5).

2. The gantry crane for bridge construction according to claim 1, wherein: fixture (4) include rotate two dwang (401) of being connected with the bottom of telescopic link (5), the bottom swing joint that is located left dwang (401) has left arc pole (403), the bottom swing joint that is located dwang (401) on right side has right arc pole (406).

3. The gantry crane for bridge construction according to claim 2, wherein: the right side of the left arc-shaped rod (403) is provided with a limiting groove (4010), the inside movable joint of the limiting groove (4010) is provided with a limiting block (4011), and the right end of the limiting block (4011) is fixedly connected with the right arc-shaped rod (406).

4. The gantry crane for bridge construction according to claim 3, wherein: the one end that left arc pole (403) and right arc pole (406) kept away from each other all rotates and is connected with the connecting axle, connecting axle and dwang (401) fixed connection.

5. The gantry crane for bridge construction according to claim 1, wherein: the bottom fixedly connected with sleeve (409) of telescopic link (5), the inside activity of sleeve (409) has cup jointed movable rod (402), and the bottom fixedly connected with of sleeve (409) is with reset spring (408) that movable rod (402) activity cup jointed.

6. The gantry crane for bridge construction according to claim 5, wherein: the bottom of the movable rod (402) is fixedly connected with a top block (405), and the bottom of the top block (405) is fixedly connected with an upper clamping plate (404).

7. The gantry crane for bridge construction according to claim 6, wherein: the two sides of the top block (405) are rotatably connected with rotating blocks (407), and the rotating blocks (407) are rotatably connected with the rotating rod (401).