CN214217921U

CN214217921U - Rail stop device

Info

Publication number: CN214217921U
Application number: CN202022468916.3U
Authority: CN
Inventors: 殷明; 谢慧; 尹志豪; 沈程科; 金江河; 钱立龙; 孟国庆
Original assignee: Zhejiang Construction Engineering Machinery Group Co Ltd
Current assignee: Zhejiang Construction Engineering Machinery Group Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-09-17
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to a track backstop device, it belongs to hoisting machinery technical field. The utility model discloses a backstop structure, activity voussoir, adjusting bolt, movable track and buffering rubber piece, backstop structure suit are on movable track, and adjusting bolt, buffering rubber piece are all installed at backstop structural, and the tight movable track in adjusting bolt top, activity voussoir are fixed on movable track, backstop structure and activity voussoir wedging. The utility model has the advantages of simple and reasonable design, safe and reliable is convenient for install and remove at the scene, satisfies the user demand.

Description

Rail stop device

Technical Field

The utility model relates to a track backstop device, concretely relates to track tip backstop device for tower crane, it belongs to hoisting machinery technical field.

Background

The end part of a movable track of the walking tower crane needs to be provided with a stop device to prevent the tower crane from rushing out of the movable track due to failure of stopping in time when the tower crane is in a walking state; the stop device needs to be fixed at the end of the movable rail.

The stop devices are currently fixed to the ends of the movable rails by welding or using larger size bolts or pins. If the movable rail is fixed in a welding mode, the movable rail still needs to be installed at the end part after transition; if the movable rail material is not suitable for welding, a bolt or a pin shaft mounting hole needs to be manufactured in advance, the requirement on the size precision of the mounting position of the movable rail is high, and the position of the movable rail is inconvenient to adjust on site.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design simple reasonable, safe and reliable, the track backstop device that is convenient for the scene is installed and removed.

The utility model provides a technical scheme that above-mentioned problem adopted is: this track backstop device, including backstop structure, activity voussoir, adjusting bolt, activity rail and buffering block rubber, its characterized in that: the stop structure is sleeved on the movable rail, the adjusting bolt and the buffer rubber block are both installed on the stop structure, the adjusting bolt tightly props the movable rail, the movable wedge block is fixed on the movable rail, and the stop structure is tightly wedged with the movable wedge block.

As preferred, the utility model discloses still include little mounting pin axle, big mounting pin axle, the activity voussoir is fixed on the activity track through little mounting pin axle or big mounting pin axle.

Preferably, the backstop structure includes backstop frame, nut and voussoir, and this nut and voussoir welding are on the backstop frame.

Preferably, the movable wedge block of the utility model is provided with a large pin hole, a small pin hole and an inclined plane; the movable rail is provided with a first pin shaft hole and a second pin shaft hole.

Preferably, backstop structure passes through the activity voussoir wedging and fixes at the activity track tip, and the cushion rubber piece is installed on backstop structure upper portion, and adjusting bolt installs in backstop frame lower part.

Preferably, big round pin shaft hole, little round pin shaft hole and the movable track of activity voussoir tip on round pin shaft hole one and round pin shaft hole two sizes and the position corresponding.

Compared with the prior art, the utility model, have following advantage and effect: 1. the whole structure is simple and reasonable in design, safe and reliable, and convenient to assemble, only a small-specification through hole needs to be processed on the movable track by a common drilling tool, so that the manufacturing difficulty of the prefabricated hole of the movable track is reduced, and the field welding operation is avoided; 2. through the tight backstop structure of movable voussoir wedging, compare with traditional round pin axle fixed mode, can reduce the specification of fixed pin axle.

Drawings

Fig. 1 is a schematic view of an installation structure of a movable rail end stopper according to an embodiment of the present invention.

Fig. 2 is another schematic view of the movable rail end stop according to the embodiment of the present invention.

Fig. 3 is a schematic view of the structure in the direction a in fig. 1.

Fig. 4 is a schematic view of a stop structure according to an embodiment of the present invention.

Fig. 5 is another schematic view of the stop structure according to the embodiment of the present invention.

Fig. 6 is a schematic view of the structure in the direction B in fig. 4.

Fig. 7 is a schematic view of a movable wedge according to an embodiment of the present invention.

Fig. 8 is another schematic view of a movable wedge according to an embodiment of the present invention.

Fig. 9 is a schematic view of a movable rail according to an embodiment of the present invention.

Fig. 10 is another schematic view of the movable rail according to the embodiment of the present invention.

In the figure: the device comprises a stop structure 1, a movable wedge block 2, an adjusting bolt 3, a movable rail 4, a small mounting pin shaft 5, a large mounting pin shaft 6 and a buffer rubber block 7; a stop frame 11, a nut 12 and a wedge block 13; a large pin shaft hole 21, a small pin shaft hole 22 and an inclined surface 23; a first pin shaft hole 41 and a second pin shaft hole 42.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

Referring to fig. 1 to 10, this embodiment track backstop device includes backstop structure 1, movable voussoir 2, adjusting bolt 3, movable rail 4 and buffering rubber piece 7, backstop structure 1 suit is on movable rail 4, adjusting bolt 3, buffering rubber piece 7 is all installed on backstop structure 1, adjusting bolt 3 pushes up movable rail 4 tightly, one of them round pin axle of movable voussoir 2 accessible small erection pin axle 5 or big erection pin axle 6 is fixed on movable rail 4, also can use these two kinds of round pin axles simultaneously, backstop structure 1 and movable voussoir 2 wedge tightly.

Referring to fig. 4 to 6, the stop structure 1 of the present embodiment includes a stop frame 11, a nut 12, and a wedge 13, and the nut 12 and the wedge 13 are welded to the stop frame 11.

Referring to fig. 7-8, the movable wedge 2 of the present embodiment is provided with a large pin hole 21, a small pin hole 22 and an inclined surface 23

Referring to fig. 9-10, the movable rail 4 of the present embodiment is provided with a first pin shaft hole 41 and a second pin shaft hole 42; the first pin shaft hole 41 is a hole which is arranged on the movable rail 4 and used for installing a fishplate of the movable rail 4, and the second pin shaft hole 42 can be manufactured on site.

The stopping structure 1 of the present embodiment is wedged and fixed at the end of the movable track 4 through the movable wedge 2, the buffer rubber block 7 is installed at the upper part of the stopping structure 1, and the adjusting bolt 3 is installed at the lower part of the stopping frame 11.

The adjusting bolt 3 of the present embodiment is installed in cooperation with the stopping frame 11 and the nut 12, and is used for adjusting the gap between the stopping frame 11 and the movable rail 4.

In the embodiment, a web plate of the movable track 4 can be provided with a hole for installing a track fishplate for installing a fixed pin shaft; if the web plate of the movable track 4 is not provided with a hole for installing the track fishplate, a hole with a smaller specification can be manufactured by a common drilling tool on the spot for installing a fixed pin shaft.

In the embodiment, the fixed pin shafts have two specifications, the large-specification pin shaft is matched with the first pin shaft hole (41) (large hole) of the movable rail 4, and the small-specification pin shaft is matched with the second pin shaft hole (42) (small hole) of the movable rail 4.

The end of the movable wedge block 2 of the present embodiment is provided with a large pin hole 21 and a small pin hole 22, and the two pin holes have the same size and relative position with the first pin hole 41 and the second pin hole 42 on the movable rail 4.

The movable wedge block 2 is fixed on the movable track 4 through a fixed pin shaft, and only a large-specification fixed pin shaft or a small-specification fixed pin shaft can be installed, and two pin shafts can be installed at the same time.

The embodiment uses the wedge block 13 to wedge and fix the movable rail 4 for stopping, allows the small-specification pin shaft to be used for installing the fixed stopping structure 1, reduces the manufacturing difficulty of the prefabricated hole on the movable rail 4, avoids welding operation, and has reliable structure and convenient installation and disassembly.

And will be apparent to those skilled in the art from the foregoing description.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a track backstop device, includes backstop structure (1), activity voussoir (2), adjusting bolt (3), activity track (4) and buffering block rubber (7), its characterized in that: backstop structure (1) suit is on movable track (4), and adjusting bolt (3), cushion rubber piece (7) are all installed on backstop structure (1), and adjusting bolt (3) top is tight movable track (4), and movable voussoir (2) are fixed on movable track (4), backstop structure (1) and movable voussoir (2) wedging.

2. The rail stop device of claim 1, wherein: the movable wedge block is characterized by further comprising a small mounting pin shaft (5) and a large mounting pin shaft (6), and the movable wedge block (2) is fixed on the movable track (4) through the small mounting pin shaft (5) or the large mounting pin shaft (6).

3. The rail stop device of claim 1, wherein: the stop structure (1) comprises a stop frame (11), a nut (12) and a wedge block (13), wherein the nut (12) and the wedge block (13) are welded on the stop frame (11).

4. The rail stop device of claim 1, wherein: the movable wedge block (2) is provided with a large pin shaft hole (21), a small pin shaft hole (22) and an inclined plane (23); the movable track (4) is provided with a first pin shaft hole (41) and a second pin shaft hole (42).

5. The rail stop device of claim 3, wherein: the stop structure (1) is wedged and fixed at the end part of the movable track (4) through the movable wedge block (2), the buffer rubber block (7) is installed at the upper part of the stop structure (1), and the adjusting bolt (3) is installed at the lower part of the stop frame (11).

6. The rail stop device of claim 4, wherein: the size and the position of a large pin shaft hole (21) and a small pin shaft hole (22) at the end part of the movable wedge block (2) correspond to the size and the position of a first pin shaft hole (41) and a second pin shaft hole (42) on the movable track (4).