CN210973574U

CN210973574U - Turnout hoisting tool

Info

Publication number: CN210973574U
Application number: CN201921419129.0U
Authority: CN
Inventors: 杨海滨; 许文; 朱红艳; 杭锦; 蒋林宏
Original assignee: Nanjing Metrol Operation Co ltd
Current assignee: Nanjing Metrol Operation Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-07-10
Anticipated expiration: 2029-08-29

Abstract

The utility model belongs to the rail transit field, concretely relates to switch handling instrument. The method comprises the following steps: a rectangular frame: two ends of two short rods of the rectangular frame extend out of one end of a connection point of the long rods, and the extending parts are provided with external threads, namely, the external threads are thread extending parts; hoisting rings: the lifting hook is positioned at the upper part of the center of the rectangular frame and is used for being connected with the lifting hook of the lifting device; a suspender: one ends of the four suspension rods are respectively connected with the top points of the rectangular frame, and the other ends of the four suspension rods are connected with the hanging ring; lifting hook: four groups of lifting hooks are arranged on the four thread extending parts. According to the turnout hoisting tool, the rectangular frame and the four groups of lifting hooks arranged at the lower top of the rectangular frame are arranged, so that two middle cross beams can be hooked simultaneously during hoisting, a mechanically central point of a turnout center is found, and dynamic weight balance in the turnout hoisting process is realized; and during the handling, only need two people just can accomplish the operation, whole handling process fork is steady not have the slope, and the switch lands steadily.

Description

Turnout hoisting tool

Technical Field

The utility model belongs to the rail transit field, concretely relates to switch handling instrument.

Background

The rail can not be separated from a healthy steel rail for long-term safe and efficient operation, wherein the turnout is an important tool for changing the track of the train, is equivalent to a visible overpass in life, and is an important component of the rail. In order to ensure the smooth running of the line, the steel rails which do not reach the use standard need to be replaced in daily maintenance. The operation of the hanger rail is an important link in the replacement of the steel rail.

The turnout is an X-shaped integral steel rail, the balance point cannot be accurately found by lifting of an original lifting appliance, the existing lifting tool is shown in figure 1, the lifting appliance is an old lifting appliance for lifting the turnout, the lifting appliance utilizes a lifting hook to grab the middle of the turnout when the turnout is lifted, then a steel cable is slowly contracted to be away from the ground, a plurality of people are required to assist in the process, and the stable turnout is guaranteed not to shake. The first fork is easy to move transversely because the lifting hook is not at the middle point when leaving the ground, thereby accidentally injuring other people; the risk that the second turnout falls off in the middle of the lifting is large. The turnout is hoisted to the flat car from the ground in three processes, namely vertically hoisting to a certain height, horizontally and transversely moving to the position above the flat car and slowly placing the turnout on the flat car. The turnout is large in size and weight, and in the moving process, the turnout is completely supported by one hook, so that the risk of falling off in the midway is large.

In conclusion, the existing lifting appliance for lifting the turnout has the problems of inclined lifting, unstable clamp, requirement of cooperation of multiple persons, labor and force waste, great potential safety hazard and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a switch handling instrument.

Realize the utility model discloses the technical solution of purpose does:

a switch handling tool comprising:

a rectangular frame: two ends of two short rods of the rectangular frame extend out of one end of a connection point of the long rods, and the extending parts are provided with external threads, namely, the external threads are thread extending parts;

hoisting rings: the lifting hook is positioned at the upper part of the center of the rectangular frame and is used for being connected with the lifting hook of the lifting device;

a suspender: one ends of the four suspension rods are respectively connected with the top points of the rectangular frame, and the other ends of the four suspension rods are connected with the hanging ring;

lifting hook: four groups of lifting hooks are arranged on the four thread extending parts.

Furthermore, the short rods of the rectangular frame are matched with the size of the turnout cross beam, and the size of the long rod is equal to the distance between two adjacent cross beams.

Furthermore, each group of lifting hooks comprises two lifting hooks, one ends of the two lifting hooks are provided with through holes, the size of each through hole is larger than the diameter of the corresponding threaded extension part, and the lifting hooks are movably sleeved on the threaded extension parts through the through holes; two lifting hooks set up relatively, when being in inoperative state, under the action of gravity, the tip of two relative lifting hooks contacts, when preparing to lift by crane, when two relative lifting hooks touch the work piece of treating to lift by crane, two lifting hooks rotate respectively, drive two lifting hooks separately.

Further, each of the threaded protrusions is provided with a nut, and the nut is disposed outside the hook.

Further, the nut is an axial thrust nut.

Furthermore, the hanger rod, the hanging ring and the rectangular frame are all welded.

Furthermore, the included angle between the suspension rod and the plane of the rectangular frame is 20-60 degrees.

Compared with the prior art, the utility model, it is showing the advantage and lies in:

(1) according to the turnout hoisting tool, the rectangular frame and the four groups of lifting hooks arranged at the lower top of the rectangular frame are arranged, so that two middle cross beams can be hooked simultaneously during hoisting, a mechanically central point of a turnout is found, and dynamic weight balance in the turnout hoisting process is realized; during the handling, only need two people just can accomplish the operation, need not a large amount of personnel cooperation operations, whole handling process switch steadily does not have the slope, and the switch lands steadily to whole handling process cooperation personnel are all outside dangerous scope, greatly reduce the potential safety hazard.

(2) The utility model provides a switch handling instrument, the lifting hook of every group sets up to two relative rotatable lifting hooks, and eight lifting hooks atress simultaneously at the hoist and mount in-process, whole hoist and mount in-process every group damage a lifting hook wantonly, four at most, do not influence normal construction.

Drawings

Fig. 1 is a schematic diagram of an original turnout lifting tool.

Figure 2 this application switch handling instrument three-dimensional schematic diagram.

Figure 3 is a front view of the turnout lifting tool of the present application.

Description of reference numerals:

1-hanging ring, 2-hanging rod, 3-rectangular frame, 4-hanging hook and 5-nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, a switch handling tool comprises: lifting ring 1, suspension rod 2, rectangular frame 3, lifting hook 4 and nut 5

The short rods of the rectangular frame 3 are matched with the turnout cross beams in size, the long rods are equal to the distance between two adjacent cross beams in size, two ends of each of the two short rods of the rectangular frame 3 extend out to be away from one end of a connection point of the long rods, and the extending parts are provided with external threads, namely threaded extending parts; each of said threaded extensions is provided with a nut 5, said nut 5 being arranged on the outside of the hook. The nut 5 is an axial thrust nut and is used for placing the lifting hook to move in the axial direction.

The lifting ring 1 is positioned at the upper part of the center of the rectangular frame and is used for being connected with a lifting hook of a lifting device.

The number of the hanging rods 2 is four, one ends of the four hanging rods are respectively connected with the top points of the rectangular frame, and the other ends of the four hanging rods are connected with the hanging ring; the hanger rod, the hanging ring and the rectangular frame are fixedly connected, preferably welded; the included angle between the suspension rod and the plane where the rectangular frame is located is 20-60 degrees.

The four lifting hooks 4 are arranged, and the four threaded extending parts are provided with lifting hooks; each group of lifting hooks comprises two lifting hooks, one end of each lifting hook is provided with a through hole, the size of each through hole is larger than the diameter of the threaded extension part, and the lifting hooks are movably sleeved on the threaded extension parts through the through holes; two lifting hooks set up relatively, when being in inoperative state, under the action of gravity, the tip of two relative lifting hooks contacts, when preparing to lift by crane, when two relative lifting hooks touch the work piece of treating to lift by crane, two lifting hooks rotate respectively, drive two lifting hooks separately. Every two of them lifting hook are a set of, and eight lifting hooks are atress simultaneously at the hoist and mount in-process, and whole hoist and mount in-process every group damages a lifting hook wantonly, four at most, all does not influence normal construction.

The assembly and handling process of the lifting appliance specifically is as follows:

assembling a lifting appliance:

(1) hanging the ring of the novel turnout shunting tool to a large lifting hook of a shunting car;

(2) and checking whether eight small hooks on the novel turnout shunting tool are in a closed state in a natural state.

Starting lifting:

(1) slowly lowering the novel turnout allocation and transportation tool to the upper part of two cross beams in the middle of the turnout center;

(2) the gravity of the lifting hook is used for self-hanging so as to grasp the cross beam under the condition that the sling is tightened;

(3) slowly lifting the fork core to be separated from the ground, and then checking whether the eight small lifting hooks are completely gripped;

(4) lifting the fork core to a destination and then unloading the lifting appliance;

(5) checking whether the connection parts of the novel turnout allocation and transportation tool are loose or not.

In summary, the turnout allocation and transportation tool does not need to be attended by too many persons in the whole hoisting process, and one operator for operating a crane and one coordinating person for installing a lifting hook can complete the whole operation; and all personnel are far away from the scene after the fork core leaves the ground, thereby greatly reducing the potential safety hazard. In addition, eight lifting hooks of the novel lifting appliance are independently stressed, if one small lifting hook in one group falls off, the other lifting hook can still continue to operate, and the process of the whole lifting fork is guaranteed.

Claims

1. The utility model provides a switch handling instrument which characterized in that includes:

rectangular frame (3): two ends of two short rods of the rectangular frame (3) extend out of one end of a connection point of the long rods, and the extending parts are provided with external threads, namely, the external threads are thread extending parts;

hoisting ring (1): the lifting hook is positioned at the upper part of the center of the rectangular frame (3) and is used for being connected with a lifting hook of the lifting device;

a hanger rod (2): one ends of the four hanging rods are respectively connected with the top point of the rectangular frame (3), and the other ends of the four hanging rods are connected with the hanging ring (1);

hook (4): four groups of lifting hooks are arranged on the four thread extending parts.

2. Tool according to claim 1, characterized in that the short bars of the rectangular frame (3) match the dimensions of the switch beams, the long bars being equal to the distance between two adjacent beams.

3. The tool according to claim 1, characterized in that each set of hooks (4) comprises two hooks, one end of each hook is provided with a through hole, the size of the through hole is larger than the diameter of the threaded extension, and the hooks are movably sleeved on the threaded extension through the through holes; two lifting hooks set up relatively, when being in inoperative state, under the action of gravity, the tip of two relative lifting hooks contacts, when preparing to lift by crane, when two relative lifting hooks touch the work piece of treating to lift by crane, two lifting hooks rotate respectively, drive two lifting hooks separately.

4. Tool according to claim 3, characterized in that each threaded protrusion is provided with a nut (5), said nut (5) being arranged on the outside of the hook.

5. Tool according to claim 4, characterized in that the nut (5) is an axial thrust nut.

6. Tool according to claim 1, characterized in that the hanger bar (2) is welded to both the suspension ring (1) and the rectangular frame (3).

7. Tool according to claim 1, characterized in that the angle of the boom (2) to the plane of the rectangular frame (3) is 20-60 °.