CN210286501U

CN210286501U - Positioning device for rail crane

Info

Publication number: CN210286501U
Application number: CN201921133950.6U
Authority: CN
Inventors: 童元中; 杜孝义; 马艳华
Original assignee: Shanghai Chuanfeng Mechanical & Electrical Technology Development Co ltd
Current assignee: Shanghai Chuanfeng Mechanical & Electrical Technology Development Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-04-10
Anticipated expiration: 2029-07-19

Abstract

The utility model relates to the technical field of hoisting equipment, and discloses a positioning device for a rail crane, which comprises two portal frames which are symmetrically distributed, wherein the lower surfaces of the horizontal parts of the two portal frames are fixedly connected with two first electric slide rails which are symmetrically distributed together, the bottoms of the two first electric slide rails are both connected with a longitudinal support plate in a sliding way, the bottoms of the two longitudinal support plates are movably connected with a second electric slide rail together, one side of each longitudinal support plate which is opposite to the other side is fixedly connected with two transverse support plates together, and the side wall of one transverse support plate is fixedly connected with a positioning mechanism; the positioning mechanism comprises a rotating motor fixedly connected with the side wall of the transverse supporting plate, and the output end of the rotating motor is fixedly connected with a threaded rod through a coupler. The utility model discloses can effectually carry out secondary accurate positioning to hoisting mechanism, avoid the problem that the object rocked easily when the handling, and can conveniently dismantle hoisting mechanism, be convenient for it is to maintaining.

Description

Positioning device for rail crane

Technical Field

The utility model relates to a jacking equipment technical field especially relates to a positioner for rail mounted crane.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. The crane is also called a crown block, a crane, and hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle work alternately, so that the crane is more and more widely developed and used in the market.

When the existing rail crane is used for hoisting objects, the hoisting mechanism is mostly moved to the upper side of the objects by using the electric slide rail, the objects are hoisted by using the hoisting ropes, and the hoisting mechanism cannot be accurately positioned when moving through the electric slide rail, so that the objects are easy to rock, and the stability of the crane is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art rail mounted crane when carrying out the handling to the object, mostly remove hoisting mechanism to the object top through using electronic slide rail, the rethread uses the lifting rope to carry out the handling to the object, and hoisting mechanism is when removing through electronic slide rail, and unable accurate fixes a position hoisting mechanism to lead to the object to rock easily, influence the problem of hoist stability, and the positioner for the rail mounted crane who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the positioning device for the rail crane comprises two portal frames which are symmetrically distributed, wherein the lower surfaces of the horizontal parts of the two portal frames are fixedly connected with two first electric slide rails which are symmetrically distributed, the bottoms of the two first electric slide rails are both connected with a longitudinal support plate in a sliding manner, the bottoms of the two longitudinal support plates are movably connected with a second electric slide rail, one opposite sides of the two longitudinal support plates are fixedly connected with two transverse support plates, and the side wall of one transverse support plate is fixedly connected with a positioning mechanism;

the positioning mechanism comprises a rotating motor fixedly connected with the side wall of the transverse supporting plate, the output end of the rotating motor is connected with a threaded rod through a shaft coupling fixedly connected with, one end of the threaded rod, far away from the rotating motor, is connected with the side wall of another transverse supporting plate in a rotating mode, the outer wall of the threaded rod is in threaded connection with a threaded cylinder, the left side and the right side of the threaded cylinder are fixedly connected with fixed blocks, and the top of the second electric sliding rail is in sliding connection with a clamping mechanism corresponding to the fixed blocks.

Preferably, the lower end faces of the vertical parts of the two portal frames are fixedly connected with supporting blocks.

Preferably, the front side and the rear side of the second electric slide rail are fixedly connected with straight spot lamps.

Preferably, the top of the second electric sliding rail is fixedly connected with two T-shaped sliding blocks which are symmetrically distributed, and T-shaped sliding grooves which are connected with the T-shaped sliding blocks in a matched mode are formed in the bottoms of the longitudinal supporting plates.

Preferably, the clamping mechanism comprises a pulling block connected with the top of the second electric sliding rail in a sliding manner, a spring and a pull rod are fixedly connected to the side wall of the pulling block, the spring is located on the outer wall of the pull rod, a fixed plate is fixedly connected to one end, far away from the pulling block, of the spring, and limiting holes corresponding to the pull rod are formed in the surfaces of the fixed plate and the fixed plate.

Preferably, one side of the pulling block, which is far away from the pulling rod, is fixedly connected with a pulling ring.

Compared with the prior art, the utility model provides a positioner for rail mounted crane possesses following beneficial effect:

1. this positioner for rail mounted crane through being provided with positioning mechanism, can effectually carry out secondary accurate positioning to hoisting mechanism, avoids the problem that the object rocked easily when the handling.

2. This positioner for rail mounted crane through being provided with chucking mechanism, can conveniently dismantle hoisting mechanism, is convenient for it to maintaining.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can effectually carry out secondary accurate positioning to hoisting mechanism, avoid the problem that the object rocked easily when the handling, and can conveniently dismantle hoisting mechanism, it is maintaining to being convenient for.

Drawings

Fig. 1 is a schematic structural view of a positioning device for a rail crane according to the present invention;

fig. 2 is a schematic structural view of a positioning mechanism of a positioning device for a track-type crane according to the present invention;

fig. 3 is a schematic structural diagram of a part a of a positioning device for a track-type crane according to the present invention;

fig. 4 is a schematic structural diagram of a B portion of a positioning device for a track-type crane according to the present invention.

In the figure: the device comprises a portal frame 1, a first electric sliding rail 2, a longitudinal supporting plate 3, a second electric sliding rail 4, a transverse supporting plate 5, a positioning mechanism 6, a rotating motor 61, a threaded rod 62, a threaded barrel 63, a fixed block 64, a clamping mechanism 7, a pull block 71, a spring 72, a pull rod 73, a fixed plate 74, a supporting block 8, a straight spot lamp 9, a slide block 10T and a pull ring 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a positioning device for a rail crane comprises two portal frames 1 which are symmetrically distributed, wherein the lower surfaces of horizontal parts of the two portal frames 1 are fixedly connected with two first electric slide rails 2 which are symmetrically distributed, the bottoms of the two first electric slide rails 2 are both slidably connected with longitudinal support plates 3, the bottoms of the two longitudinal support plates 3 are movably connected with second electric slide rails 4, the opposite sides of the two longitudinal support plates 3 are fixedly connected with two transverse support plates 5, and the side wall of one transverse support plate 5 is fixedly connected with a positioning mechanism 6;

positioning mechanism 6 includes the rotating electrical machines 61 with 5 lateral wall fixed connection of horizontal backup pad, shaft coupling fixedly connected with threaded rod 62 is passed through to the output of rotating electrical machines 61, the one end that rotating electrical machines 61 was kept away from to threaded rod 62 rotates with the lateral wall of another horizontal backup pad 5 to be connected, the outer wall threaded connection of threaded rod 62 has a screw thread section of thick bamboo 63, the equal fixedly connected with fixed block 64 in both sides about screw thread section of thick bamboo 63, the top sliding connection of second electric slide rail 4 has chucking mechanism 7 corresponding with fixed block 64, can effectually carry out secondary accurate positioning to hoisting mechanism, avoid the problem that the object rocked easily when the handling.

The equal fixedly connected with supporting shoe 8 of lower terminal surface of the vertical portion of two portal frames 1 can conveniently increase the area of contact on portal frame 1 and ground, improves its stability.

The equal fixedly connected with straight shot-light 9 in both sides around the electronic slide rail 4 of second can make things convenient for the staff to watch it, and the location is more accurate.

The top fixedly connected with of the electronic slide rail 4 of second has two T type sliders 10 of symmetric distribution, and the T type spout with T type slider 10 accordant connection is all seted up to the bottom of two vertical backup pads 3, can conveniently slide the electronic slide rail 4 of second.

Chucking mechanism 7 includes the piece 71 that draws with second electronic slide rail 4 top sliding connection, draws the lateral wall fixedly connected with spring 72 and the pull rod 73 of piece 71, and spring 72 is located the outer wall of pull rod 73, and the common fixedly connected with fixed plate 74 of the one end that draws piece 71 is kept away from to spring 72, and the spacing hole corresponding with pull rod 73 has all been seted up on the surface of fixed plate 74 and fixed block 64, can conveniently dismantle hoisting mechanism, and it is convenient for it to maintain.

One side of the pull block 71, which is far away from the pull rod 73, is fixedly connected with a pull ring 11, so that the pull block 71 can be conveniently pulled.

The first electric slide rail 2, the second electric slide rail 4, the rotating motor 61 and the direct-emitting lamp 9 are electrically connected to an external power source through a control switch, so as to ensure that the power supply is supported during operation.

In the utility model, after the hoisting mechanism is initially moved and positioned by using the first electric slide rail 2, the rotary motor 61 is started, the rotary motor 61 drives the threaded rod 62 to rotate in the rolling bearing, the threaded rod 62 pushes the threaded barrel 63 by the principle of thread movement, the threaded barrel 63 pulls the second electric slide rail 4, the second electric slide rail 4 slides in the T-shaped chute on the longitudinal support plate 3 by the T-shaped slider 10 and pulls the hoisting mechanism to accurately position the hoisting mechanism, secondary accurate positioning can be effectively carried out on the hoisting mechanism, the problem that the object is easy to shake during lifting is avoided, when the hoisting mechanism at the bottom of the positioning mechanism 6 needs to be disassembled and maintained, the pull ring 11 is pulled, the pull block 71 is pulled by the pull block 11, the spring 72 and the pull rod 73 are pulled by the pull block 71, the pull rod 73 is pulled out from the limiting holes on the fixed plate 74 and the fixed block 64, and the second electric sliding rail 4 is slid, the T-shaped sliding block 10 on the second electric sliding rail 4 is pulled out of the T-shaped sliding groove on the longitudinal supporting plate 3, so that the hoisting mechanism can be conveniently detached, and the maintenance of the hoisting mechanism is facilitated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The positioning device for the track crane comprises two portal frames (1) which are symmetrically distributed, wherein the lower surfaces of the horizontal parts of the two portal frames (1) are fixedly connected with two first electric sliding rails (2) which are symmetrically distributed, the positioning device is characterized in that the bottoms of the two first electric sliding rails (2) are both connected with longitudinal supporting plates (3) in a sliding manner, the bottoms of the two longitudinal supporting plates (3) are both movably connected with second electric sliding rails (4), one opposite sides of the two longitudinal supporting plates (3) are fixedly connected with two transverse supporting plates (5), and the side wall of one transverse supporting plate (5) is fixedly connected with a positioning mechanism (6);

positioning mechanism (6) include rotating electrical machines (61) with horizontal backup pad (5) lateral wall fixed connection, shaft coupling fixedly connected with threaded rod (62) is passed through to the output of rotating electrical machines (61), the one end of rotating electrical machines (61) is kept away from in threaded rod (62) rotates with the lateral wall of another horizontal backup pad (5) to be connected, the outer wall threaded connection of threaded rod (62) has a screw thread section of thick bamboo (63), the equal fixedly connected with fixed block (64) in the left and right sides of screw thread section of thick bamboo (63), the top sliding connection of second electric slide rail (4) has chucking mechanism (7) corresponding with fixed block (64).

2. The positioning device for the track crane according to claim 1, wherein the lower end surfaces of the vertical parts of the two portal frames (1) are fixedly connected with supporting blocks (8).

3. The positioning device for the track crane according to claim 1, wherein the straight spot lamps (9) are fixedly connected to the front side and the rear side of the second electric slide rail (4).

4. The positioning device for the track crane according to claim 1, wherein two T-shaped sliders (10) are fixedly connected to the top of the second electric slide rail (4) and symmetrically distributed, and T-shaped sliding grooves matched and connected with the T-shaped sliders (10) are formed at the bottoms of the two longitudinal support plates (3).

5. The positioning device for the rail crane according to claim 1, wherein the clamping mechanism (7) comprises a pulling block (71) slidably connected with the top of the second electric sliding rail (4), a spring (72) and a pull rod (73) are fixedly connected to the side wall of the pulling block (71), the spring (72) is located on the outer wall of the pull rod (73), a fixing plate (74) is fixedly connected to one end, far away from the pulling block (71), of the spring (72), and limiting holes corresponding to the pull rod (73) are formed in the surfaces of the fixing plate (74) and the fixing block (64).

6. A positioning device for a rail crane, according to claim 5, characterized in that the pull tab (11) is fixedly connected to the side of the pull block (71) remote from the pull rod (73).