CN218752629U - Clear stifled device of cement silo feed opening - Google Patents

Abstract

The utility model discloses a clear stifled device of cement silo feed opening, including the cylinder body with set up in piston rod and piston in the cylinder body, be provided with axial through hole in the piston rod, the passing of piston rod the piston, the piston rod upper end is equipped with the conical head, set up on the conical head the aperture with axial through hole intercommunication, clear stifled device provides the structure of blowing of high pressure gas circulation, cleans the powdery material around the piston rod, clear stifled device simple structure, simple to operate.

Description

Clear stifled device of cement silo feed opening

Technical Field

The utility model relates to a cement manufacture equipment field especially relates to a clear stifled device of clear stifled of cement silo feed opening.

Background

The cement belongs to a powdery material with strong water absorbability, and the cement can leave a factory after being inspected in a certain storage period and qualified, so a cement warehouse with a certain capacity must be arranged in a cement factory. Because cement materials have certain viscosity, in the blockage clearing and dredging process of a cement warehouse, a method needs to be devised to make the cement flow as soon as possible so as to avoid blockage accumulation.

In order to reduce the wall-hanging accumulation of the feeding port, dry high-pressure air is required to be blown during the flowing of cement, and the high-pressure air can loosen and drop the accumulated cement, so that the flowing of the cement is accelerated, and meanwhile, an effective channel for cement silo feeding is enlarged. Therefore, the introduction of high-pressure air into the bottom of the cement reservoir becomes an urgent problem to be solved in the dredging process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clear stifled device of cement silo feed opening to the operation in-process constantly lets in highly-compressed air for the cement silo bottom, solves the wall built-up problem of piling up of cement silo feed opening in-process.

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

the utility model provides a clear stifled device of cement silo feed opening, include cylinder body, piston rod and set up in piston in the cylinder body, its characterized in that, the piston rod passes the cylinder body, the piston set up in the piston rod middle part, and along with the motion of piston rod the piston is in slide in the cylinder body, be provided with axial through hole in the piston rod, piston rod one end is equipped with the conical head, set up on the conical head the aperture with axial through hole intercommunication, the cylinder body with axial through hole each other not intercommunication, the piston rod axial through hole other end intercommunication high pressurized air source.

Preferably, an upper limit proximity switch and a lower limit proximity switch are arranged on the outer side of the cylinder body, and the upper limit proximity switch and the lower limit proximity switch jointly limit the stroke distance of the piston so as to facilitate remote control or automatic control.

Preferably, the conical head and the piston rod are of an integrated structure.

Preferably, the piston and the piston rod are of a one-piece construction.

Preferably, the other end of the piston rod is provided with a limiting mechanism.

Preferably, the limiting mechanism is a limiting plate, and guide posts are mounted on two sides of the limiting plate.

Preferably, the axial through hole is connected with the oil-water separator. The oil-water separator is beneficial to providing dry gas, so that water contained in the gas is prevented from contacting cement, and cement caking is reduced.

The utility model discloses a setting has the piston rod of axial through-hole and the conical head that is equipped with the aperture, forms the structure of blowing, when the piston drives the piston rod operation and utilizes the conical head to carry out the material breakage, clear stifled device is through the structure of blowing transport highly-compressed air, utilizes highly-compressed air to clean the powdery material around the piston rod, and highly-compressed air enables accumulational cement and loose and drops to the flow of cement is accelerated, solves the wall built-up problem of piling up of the cement silo unloading in-process. The blockage clearing device is simple in structure and convenient to install, and the proximity switch is arranged outside and convenient to maintain.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic perspective view of an operating state according to an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of fig. 1.

Fig. 4 is a schematic cross-sectional view of fig. 2.

In the figure: 1. a cylinder body; 2. a piston rod; 21. a through hole; 3. a piston; 4. an oil port; 41. a first oil port; 42. a second oil port; 5. a guide sleeve; 6. sealing; 7. a conical head; 71. a small hole; 8. a proximity switch; 81. an upper limit proximity switch; 82. a lower limit proximity switch; 9. and a limiting plate.

Detailed Description

The following description is provided to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.

As shown in fig. 1 to 4, the utility model provides a pair of clear stifled device of cement silo feed opening, including cylinder body 1, piston rod 2, piston 3, hydraulic fluid port 4, uide bushing 5, sealed 6, conical head 7. An axial through hole 21 is provided in the piston rod 2.

Specifically, clear stifled device includes cylinder body 1, locates piston 3 and gomphosis in the cylinder body 1 piston rod 2 in the piston 3, piston 3 will cylinder body 1 divide into first cavity and second cavity, first hydraulic fluid port 41 and second hydraulic fluid port 42 have been seted up on the cylinder body 1 lateral wall, first hydraulic fluid port 41 and second hydraulic fluid port 42 respectively with first cavity and second cavity intercommunication, 1 upper end of cylinder body install upper end uide bushing 5, 1 lower extreme of cylinder body install lower extreme uide bushing 5, uide bushing 5 hole with 2 sliding fit of piston rod, 3 periphery covers of piston are equipped with the sealing washer etc. improve sealed effect. The piston rod 2 is provided with an axial through hole 21, the axial through hole 21 on the piston rod 2 is a high-pressure air circulation channel, namely, the piston rod 2 isolates an oil path and an air path independently without influencing and interfering with each other.

One end of the piston rod 2 is provided with a conical head 7. The conical head 7 becomes a drilling head of the blockage removing device which meets the block material in the rising process, the block material can be propped up, meanwhile, a high-pressure air small hole 71 is formed in the conical head 7, and the small hole 71 is communicated with the axial through hole 21.

The other end of the piston rod 2 is connected with a high-pressure air source, the high-pressure air can blow off the wall-hung stubborn powder through the small hole 71, the impact of the high-pressure air can be accompanied in the whole operation process of the blockage removing device, the flow of the powder material is promoted, and the feed opening is dredged.

Further, a proximity switch 8 is arranged on the outer side of the lower end of the cylinder body 1, the proximity switch comprises an upper limit proximity switch 81 and a lower limit proximity switch 82, and the distance between the upper limit proximity switch 81 and the lower limit proximity switch 82 in the vertical direction does not exceed the stroke distance of the piston 3. The upper limit proximity switch 81 and the lower limit proximity switch 82 are transmission carriers connected with an electric control and mechanism, and can realize remote control, centralized control and automatic control in operation.

Further, the conical head 7 and the piston rod 2 may be of an integral structure. The piston 3 and the hollow piston rod 2 may also be of one-piece construction.

Further, the axial through hole 21 on the piston rod 2 is connected with an oil-water separator (not shown in the figure), dry high-pressure air needs to be introduced into the cement ash in the warehouse, and the oil-water separator is used for filtering and separating the entering air to ensure the dryness of the inlet air. The oil-water separator also comprises a telescopic air pipe (not shown in the figure), the telescopic air pipe becomes a flexible ventilation carrier for the piston rod 2 in operation, the piston rod 2 can be lengthened along with the telescopic air pipe in the ascending process, and conversely, the piston rod 2 is retracted along with the telescopic air pipe in the descending process.

Further, 2 lower extremes of cavity piston rod set up limiting plate 9, limiting plate 9 can regard as the contact member of piston rod 2 in service, and in reciprocating motion, limiting plate 9 contacts proximity switch back piston rod 2 automatic reversing operation, and piston rod 2 is automatic ascending after contacting lower limit switch 82, limiting plate 9 with go up limit proximity switch 81 and lower limit proximity switch 82 constitute automatic control jointly.

Furthermore, when the device is installed, the limiting plate 9 can be used as a guide sliding block, and guide columns are installed on two sides of the limiting plate 9 to prevent the phenomenon that the air pipe screw is loosened due to rotation of the piston rod 2 in operation.

The axial through hole of piston rod with aperture on the conical head forms the structure of blowing jointly, and clear stifled device utilizes the structure of blowing, cleans the powdery material around the piston rod 2, clear stifled device 2 high pressurized air source is connected to 2 one end of piston rod, and piston rod 2 is in the operation that makes progress, and piston rod 2 automatic reversing is down when limiting plate runs into limit switch 81, and piston rod 2 is up when limiting plate 9 runs into lower limit switch 82 down, realizes reciprocating motion, can accompany the high pressure gas simultaneously in whole operation.

Because the blockage removing device belongs to a double-rod structure, the installation space is required to be large, in one embodiment, the stroke of a piston 3 of the blockage removing device is 1500mm, and the installation space is required to reach 3800mm. Therefore, a relatively large installation space is required. Because the installation space is bigger, clear stifled device simple structure, simple to operate. The proximity switch is arranged outside the cylinder body 1, and is convenient to maintain.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a clear stifled device of cement silo feed opening, include cylinder body, piston rod and set up in piston in the cylinder body, its characterized in that, the piston rod passes the cylinder body, the piston set up in the piston rod middle part, and along with the motion of piston rod the piston is in slide in the cylinder body, be provided with axial through hole in the piston rod, piston rod one end is equipped with the conical head, set up on the conical head the aperture with axial through hole intercommunication, the cylinder body with axial through hole each other not intercommunication, the piston rod axial through hole other end intercommunication high pressurized air source.

2. A block clearing device according to claim 1 wherein an upper limit proximity switch and a lower limit proximity switch are provided outside the cylinder, which together define the stroke distance of the piston.

3. A block clearing device according to claim 1 wherein said bit and said piston rod are of a unitary construction.

4. A blockage clearing device according to claim 1, wherein the piston and the piston rod are of a unitary construction.

5. The blockage removing device according to claim 1, wherein a limiting mechanism is arranged at the other end of the piston rod.

6. A blockage removing device according to claim 5, wherein the limiting mechanism is a limiting plate, and guide posts are arranged on two sides of the limiting plate.

7. The clearing device of claim 1, wherein said axial through hole is connected to an oil-water separator.

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