阅读说明：本技术 一种用于起重机搁架的防磨装置 (Anti-abrasion device for crane shelf ) 是由 张磊 邓国辉 陈焕东 刘富均 刘阳 于 2019-10-10 设计创作，主要内容包括：本发明涉及限位装置技术领域,公开了一种用于起重机搁架的防磨装置,包括用于安装在起重机搁架上的安装架,所述安装架上转动安装有若干滚轮组件,所述滚轮组件的上表面高于所述安装架的上表面,所述滚轮组件的安装高度沿所述安装架的前端至后端方向依次增高,位于所述安装架前端的滚轮组件的安装高度与位于所述安装架后端的滚轮组件的安装高度之间的比值的取值范围为：1：2－1：3。采用本发明技术方案的用于起重机搁架的防磨装置,结构简单,可降低吊臂与搁架之间摩擦,降低噪音,且价格低,拆卸安装方便。(The invention relates to the technical field of limiting devices, and discloses an anti-abrasion device for a crane shelf, which comprises a mounting frame, wherein the mounting frame is used for mounting on the crane shelf, a plurality of roller assemblies are rotatably mounted on the mounting frame, the upper surfaces of the roller assemblies are higher than the upper surface of the mounting frame, the mounting heights of the roller assemblies are sequentially increased along the direction from the front end to the rear end of the mounting frame, and the value range of the ratio between the mounting height of the roller assembly positioned at the front end of the mounting frame and the mounting height of the roller assembly positioned at the rear end of the mounting frame is as follows: 1: 2-1: 3. the anti-abrasion device for the crane shelf, which adopts the technical scheme of the invention, has the advantages of simple structure, low cost and convenience in disassembly and assembly, and can reduce the friction between the suspension arm and the shelf and reduce the noise.)

1. The utility model provides an anti-wear device for hoist shelf, a serial communication port, including being used for installing the mounting bracket on the hoist shelf, rotate on the mounting bracket and install a plurality of wheel components, wheel components's upper surface is higher than the upper surface of mounting bracket, wheel components's mounting height follows the front end to the rear end direction of mounting bracket increase in proper order, are located the wheel components's of mounting bracket front end mounting height and being located the value scope of the ratio between the wheel components's of mounting bracket rear end mounting height is: 1: 2-1: 3.

2. the wear prevention device for the crane shelf as claimed in claim 1, wherein the roller assembly comprises a rotating shaft and a roller wheel sleeved on the rotating shaft, a rotating part is arranged at one end of the rotating shaft, a positioning part is arranged at the other end of the rotating shaft, the diameter of the positioning part is larger than that of the rotating part, the positioning part and the surface of the rotating part, which is attached to each other, form a positioning surface, a plurality of mounting holes are formed in the mounting frame, the rotating shaft is arranged in the mounting holes in a penetrating manner, and the positioning surface is tightly attached to the end surface of the mounting frame, which is located in the mounting holes.

3. The wear assembly for a crane shelf of claim 1, wherein the mounting bracket includes first and second oppositely disposed mounting plates, the plurality of roller assemblies being mounted between the first and second mounting plates.

4. The wear prevention device for a crane shelf as defined in claim 3, wherein a positioning plate is further provided between the two mounting plates, the positioning plate connects the first mounting plate and the second mounting plate, the roller assembly is mounted above the positioning plate, and a space below the positioning plate and between the first mounting plate and the second mounting plate forms a positioning groove.

5. The wear prevention device for a crane shelf as defined in claim 4, wherein a reinforcing rib is further provided between the two mounting plates, the reinforcing rib is vertically disposed in the positioning groove, a bottom edge of the reinforcing rib is connected to the positioning plate, and two sides of the reinforcing rib are respectively connected to inner surfaces of the first mounting plate and the second mounting plate.

6. The wear prevention device for a crane shelf of claim 3, wherein two sets of rollers are provided in parallel between the first mounting plate and the second mounting plate, and an auxiliary mounting plate is provided between the first mounting plate and the second mounting plate, the two sets of rollers being respectively mounted between the first mounting plate and the auxiliary mounting plate and between the auxiliary mounting plate and the second mounting plate.

7. The wear assembly for a crane shelf of claim 3, wherein the first and second mounting plates are provided with a cleaning slot away from the bottom edge of the roller assembly.

8. The wear prevention device for a crane shelf of claim 1, wherein the rotating shaft is a 40Cr shaft.

9. The wear prevention device for a crane shelf of claim 1, wherein the rollers are rubber rollers.

Technical Field

The invention relates to the technical field of limiting devices, in particular to an anti-abrasion device for a rack of a crane.

Background

At present, generally use the abrasionproof sleeper to prevent to rub between davit and the shelf on the wind-powered electricity generation mounting platform main crane shelf, the use shortcoming of sleeper mainly has moreover:

1. the large crane boom is heavy, needs high-strength sleepers and is expensive.

2. The sleeper is big in noise when rubbing with the davit, influences driver's cabin personnel and commands.

3. The sleepers need to be fixed on the shelves, and are inconvenient to detach.

Disclosure of Invention

The purpose of the invention is: the utility model provides an anti-wear device for hoist shelf, this an anti-wear device for hoist shelf simple structure can reduce the friction between davit and the shelf, noise reduction, and the price is low, dismantles simple to operate.

In order to achieve the above object, the present invention provides an anti-wear device for a crane shelf, including a mounting bracket for mounting on the crane shelf, wherein the mounting bracket is rotatably mounted with a plurality of roller assemblies, the upper surfaces of the roller assemblies are higher than the upper surface of the mounting bracket, the mounting heights of the roller assemblies are sequentially increased along the direction from the front end to the rear end of the mounting bracket, and the value range of the ratio between the mounting height of the roller assembly at the front end of the mounting bracket and the mounting height of the roller assembly at the rear end of the mounting bracket is: 1: 2-1: 3.

preferably, wheel components includes that pivot and cover establish change epaxial gyro wheel, the one end of pivot is equipped with rotation portion, the other end of pivot is equipped with location portion, the diameter of location portion is greater than rotation portion, location portion with the face formation locating surface of rotation portion laminating, be equipped with a plurality of mounting holes on the mounting bracket, the pivot is worn to establish in the mounting hole, the locating surface is hugged closely the mounting bracket is located on the terminal surface of mounting hole.

Preferably, the mounting bracket includes first mounting panel and the second mounting panel of relative setting, a plurality of roller assemblies are installed between first mounting panel and the second mounting panel.

Preferably, still be equipped with a locating plate between two mounting panels, the locating plate is connected first mounting panel with the second mounting panel, the roller components is installed the top of locating plate, the below of locating plate with first mounting panel with the space between the second mounting panel forms the constant head tank.

Preferably, a reinforcing rib plate is further arranged between the two mounting plates, the reinforcing rib plate is arranged in the positioning groove along the vertical direction, the bottom edge of the reinforcing rib plate is connected with the positioning plate, and two sides of the reinforcing rib plate are respectively connected with the inner surfaces of the first mounting plate and the second mounting plate.

Preferably, the first mounting panel with the parallel is equipped with two sets of gyro wheels between the second mounting panel, the first mounting panel with still be equipped with supplementary mounting panel between the second mounting panel, two sets of gyro wheels are installed respectively between first mounting panel and supplementary mounting panel and between supplementary mounting panel and the second mounting panel.

Preferably, the bottom edges of the first mounting plate and the second mounting plate, which are far away from the roller assembly, are provided with cleaning grooves.

Preferably, the rotating shaft is a 40Cr shaft.

Preferably, the roller is a rubber roller.

Compared with the prior art, the anti-abrasion device for the crane shelf has the beneficial effects that:

according to the anti-abrasion device for the crane shelf, the roller assemblies are arranged on the mounting rack, the mounting rack is mounted on the crane shelf, the upper surfaces of the roller assemblies are higher than the mounting rack, the suspension arm can slide on the shelf on which the anti-abrasion device is mounted, static friction is converted into sliding friction, noise and friction are reduced, and therefore the suspension arm can be moved conveniently. Furthermore, the wear-resistant device is used for replacing a sleeper with high price, so that the production cost is reduced.

Drawings

FIG. 1 is a front view of a wear assembly for a crane shelf according to an embodiment of the present invention;

FIG. 2 is a left side view of a wear assembly for a crane shelf according to an embodiment of the present invention;

FIG. 3 is a top view of a wear assembly for a crane shelf according to an embodiment of the present invention;

in the figure, the roller assembly comprises a roller assembly 1, a roller assembly 11, a rotating shaft 12, a roller 2, a first mounting plate 3, a second mounting plate 4, a positioning plate 5, a reinforcing rib plate 6, a cleaning groove 7 and an auxiliary mounting plate.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

As shown in fig. 1 to 3, an anti-wear device for a crane shelf according to a preferred embodiment of the present invention includes a mounting rack for mounting on the crane shelf, a plurality of roller assemblies 1 are rotatably mounted on the mounting rack, the upper surfaces of the roller assemblies 1 are higher than the upper surface of the mounting rack, the mounting heights of the roller assemblies 1 are sequentially increased along the direction from the front end to the rear end of the mounting rack, in this embodiment, the position where a boom slides into the anti-wear device is taken as the front end, the position where the boom slides out of the anti-wear device is taken as the rear end, and the value range of the ratio between the mounting height of the roller assembly at the front end of the mounting rack and the mounting height of the roller assembly at the rear end of the mounting rack: 1: 2-1: and 3, the included angle between the connecting line of the axle center points of the roller assemblies 1 and the horizontal plane is 10-30 degrees, so that the suspension arm can slide on the shelf more smoothly.

Based on above technical scheme, through set up wheel components 1 on the mounting bracket, the mounting bracket is installed on the hoist shelf, and wheel components 1's upper surface is higher than the mounting bracket, and the davit can slide on the shelf of having installed wear prevention device, converts static friction into sliding friction, has reduced noise and frictional force, is convenient for from this to the removal of davit. Furthermore, the wear-resistant device is used for replacing a sleeper with high price, so that the production cost is reduced.

Further, wheel components 1 includes that pivot 11 and cover establish at 11 epaxial gyro wheels 12 of pivot, and the one end of pivot 11 is equipped with the portion of rotating, and the other end of pivot 11 is equipped with location portion, and the diameter of location portion is greater than the portion of rotating, and location portion and the face of the laminating of portion of rotating form the locating surface, are equipped with a plurality of mounting holes on the mounting bracket, and the pivot is worn to establish in the mounting hole, the locating surface is hugged closely on the terminal surface that the mounting bracket is located the mounting hole. In the present embodiment, the rotating portion of the rotating shaft 11 is provided with a positioning through hole, thereby facilitating the fixing of the rotating shaft 11.

Further, the mounting bracket comprises a first mounting plate 2 and a second mounting plate 3 which are oppositely arranged, and the plurality of roller assemblies 1 are mounted between the first mounting plate 2 and the second mounting plate 3. Thereby facilitating the mounting and dismounting of the wheel assembly 1. In this embodiment, the plane where the axis of the roller assembly 1 is located and the horizontal plane form an included angle, so that the suspension arm can slide on the wear-resistant device conveniently, as shown in fig. 1, the value range of the minimum value h1 of the distance from the roller assembly 1 to the bottom edge of the mounting plate is as follows: 300 and 400mm, the maximum value h2 of the distance between the roller component 1 and the bottom edge of the mounting plate is as follows: 600 and 800 mm.

Preferably, still be equipped with a locating plate 4 between two mounting panels, first mounting panel 2 and second mounting panel 3 are connected to locating plate 4, locating plate 4 forms the mounting groove that supplies roller assembly 1 to install and the constant head tank that is used for fixing a position and installing with the shelf with the space division between first mounting panel 2 and the second mounting panel 3, roller assembly 1 installs the top at locating plate 4, the below of locating plate 4 and the space between first mounting panel 2 and the second mounting panel 3 form the constant head tank, the wear proof device of being convenient for from this fixes a position and installs on the shelf.

In addition, a reinforcing rib plate 5 is further arranged between the two mounting plates, the reinforcing rib plate 5 is arranged in the positioning groove along the vertical direction, the bottom edge of the reinforcing rib plate 5 is connected with the positioning plate 4, and two sides of the reinforcing rib plate 5 are respectively connected with the inner surfaces of the first mounting plate 2 and the second mounting plate 3. The height of the reinforcing rib 5 is half of the height of the first mounting plate 2 corresponding to the mounting position of the reinforcing rib 5, and preferably, the reinforcing rib 5 is mounted at the midpoint of the first mounting plate 2 and the second mounting plate 3 in the length direction, so that the strength of the wear-proof device is increased, and the service life of the wear-proof device is prolonged.

In this embodiment, two sets of rollers 12 are arranged between the first mounting plate 2 and the second mounting plate 3 in parallel, each set of rollers 12 is arranged at equal intervals, an auxiliary mounting plate 7 is further arranged between the first mounting plate 2 and the second mounting plate 3, two sets of rollers 12 are respectively arranged between the first mounting plate 2 and the auxiliary mounting plate 7 and between the auxiliary mounting plate 7 and the second mounting plate 3, the rollers 12 are convenient to mount, the rolling of each set of rollers 12 is relatively independent and is not affected, and the rollers can still normally work when one or more rollers 12 are damaged and cannot rotate, in this embodiment, two rollers 12 penetrate through the same rotating shaft 11, and therefore the wear-resisting device is convenient to disassemble, assemble and manufacture.

Preferably, the bottom edges of the first mounting plate 2 and the second mounting plate 3 away from the roller assembly 1 are provided with cleaning grooves 6, thereby preventing water accumulation and facilitating dust removal of the wear-resistant device.

In this embodiment, the rotating shaft 11 is a 40Cr shaft, the roller 12 is a rubber roller 12, and the mounting bracket is made of DH36, so as to ensure the wear resistance of the wear-proof device while ensuring the strength.

The working process of the invention is as follows: the wear protection is mounted on the crane shelf and the boom arm to be moved is then moved over the wear protection.

To sum up, the embodiment of the invention provides an anti-wear device for a crane shelf, which is characterized in that a roller assembly 1 is arranged on a mounting rack, the mounting rack is mounted on the crane shelf, the upper surface of the roller assembly 1 is higher than that of the mounting rack, a suspension arm can slide on the shelf on which the anti-wear device is mounted, static friction is converted into sliding friction, noise and friction are reduced, and therefore the suspension arm is convenient to move. Furthermore, the wear-resistant device is used for replacing a sleeper with high price, so that the production cost is reduced.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.