CN218916269U

CN218916269U - Rotary kiln barrel deformation measuring instrument

Info

Publication number: CN218916269U
Application number: CN202122782865.6U
Authority: CN
Inventors: 王忠新; 喻立生; 程生鹏; 魏东鸿; 赵松平
Original assignee: New Dry Process Cement No2 Factory Of Jinchang Cement Group Co ltd
Current assignee: New Dry Process Cement No2 Factory Of Jinchang Cement Group Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2023-04-25
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a rotary kiln barrel deformation measuring instrument, which relates to the technical field of rotary kiln barrel measuring equipment and comprises a base, wherein a through hole is formed in the upper end face of the base, a hollow pipe is communicated with the upper end of the through hole, a first flange is sleeved on the outer wall of the hollow pipe, a movable rod is movably connected inside the hollow pipe, a second flange is sleeved on the outer wall of the movable rod, a spring is movably sleeved on the outer side of the movable rod, a plurality of sliding rods are connected to the opposite side of the first flange and the second flange in a penetrating manner, a displacement sensor is fixedly arranged on the lower end face of the base, a telescopic probe is arranged at the sensing end of the displacement sensor, and the upper end of the telescopic probe is fixedly arranged with the lower end of the movable rod; the rotary kiln barrel rotates to drive the movable rod to press down, and then drives the telescopic probe to shrink, and after the rotary kiln rotates for a circle, the displacement sensor transmits measurement signals to the digital display and displays numerical variation, so that the deformation of the barrel is measured, and ovality is determined.

Description

Rotary kiln barrel deformation measuring instrument

Technical Field

The utility model relates to the technical field of rotary kiln cylinder measuring equipment, in particular to the technical field of rotary kiln cylinder deformation measuring instruments.

Background

The rotary kiln is a rotary calcining kiln (commonly called a rotary kiln), and for rotary cylinder equipment in severe open-air environments such as heavy load, dynamic load, high temperature, dust and the like, deformation can occur during long-time operation, and large equipment accidents such as continuous operation of the rotary kiln in a cement production line can be caused by deformation.

Disclosure of Invention

The utility model aims at: in order to solve the technical problems, the utility model provides the rotary kiln cylinder deformation measuring instrument which is used for measuring the numerical variation of the digital displacement sensor for one revolution of the rotary kiln, measuring the cylinder deformation, determining the ellipticity and carrying out data comparison analysis with the maximum ellipticity of the rotary kiln cylinder so as to judge the running condition of the rotary kiln.

The utility model adopts the following technical scheme for realizing the purposes: the utility model provides a rotary kiln barrel deformation measuring apparatu, includes the base, the through-hole has been seted up to the up end of base, the lower terminal surface fixedly connected with of base a plurality of bracing pieces, the up end fixedly connected with hollow tube of base, the lower extreme and the through-hole intercommunication of hollow tube, the fixed first flange that has cup jointed of upper end of hollow tube outer wall, the inside swing joint of hollow tube has the movable rod, the upper end of movable rod runs through the hollow tube and extends to the top of hollow tube, the fixed second flange that has cup jointed of outer wall of movable rod, the outside activity of movable rod has cup jointed the spring, and the spring is located between first flange and the second flange, one side through-connection that first flange and second flange are relative has a plurality of slide bar, the equal threaded connection in both ends of slide bar has stop nut, the lower terminal surface fixed mounting of base has displacement sensor, the flexible probe is installed to displacement sensor's sensing end, and the upper end of flexible probe runs through the through-hole and with the lower extreme fixed mounting of movable rod.

Preferably, a digital display is connected with the signal output end of the displacement sensor in a signal manner, and a display screen is arranged on the front end face of the digital display.

Preferably, the upper end of the moving rod is rotatably connected with a bearing.

Preferably, the support rod is an adjustable telescopic rod.

The beneficial effects of the utility model are as follows:

1. the bearing surface contacts with rotary kiln barrel surface, and when rotary kiln barrel warp, the barrel rotates and drives the movable rod and push down, and then drives flexible probe shrink, and after rotary kiln rotated a week, displacement sensor transmitted measuring signal to digital display and the display numerical variation, survey barrel deflection to confirm ovality, thereby in time calibrate the rotary kiln, weaken kiln body vibration, protect kiln liner to a certain extent, increase its life, also reduced the potential safety hazard that causes because of kiln body damage simultaneously.

2. The whole measuring device is lighter in weight and smaller in volume, can be conveniently carried and moved by workers, further measures the deformation of the kiln cylinder body at any time, provides a certain guide for production, and lays a foundation for improving the productivity and efficiency.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a hollow tube and a traveling bar;

FIG. 3 is a schematic diagram at A of FIG. 2;

fig. 4 is a schematic view of the first flange and the second flange.

Reference numerals: 1. a base; 101. a through hole; 102. a support rod; 2. a hollow tube; 201. a first flange; 3. a moving rod; 301. a second flange; 302. a spring; 303. a slide bar; 3031. a limit nut; 4. a bearing; 5. a displacement sensor; 501. a telescoping probe; 6. a digital display; 601. and a display screen.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1 to 4, this embodiment provides a rotary kiln barrel deformation measuring instrument, including base 1, through-hole 101 has been seted up to the up end of base 1, the lower terminal surface fixedly connected with of base 1 is a plurality of bracing pieces 102, bracing piece 102 is adjustable telescopic link, the up end fixedly connected with hollow tube 2 of base 1, the lower extreme and the through-hole 101 intercommunication of hollow tube 2 outer wall's upper end has fixedly sleeved with first flange 201, the inside swing joint of hollow tube 2 has movable rod 3, the upper end of movable rod 3 runs through hollow tube 2 and extends to the top of hollow tube 2, the outer wall fixed sleeve of movable rod 3 has second flange 301, the outside movable sleeve of movable rod 3 has spring 302, spring 302 is located between first flange 201 and the second flange 301, one side that first flange 201 and second flange 301 are relative has a plurality of slide bar 303, the both ends of slide bar 303 all threaded connection has stop nut 3031, the lower terminal surface fixed mounting of base 1 has displacement sensor 5, the sensing end of displacement sensor 5 has the telescopic probe 501, the upper end of probe 501 has the movable rod 3 and the upper end has the fixed digital display screen 601 that the fixed end has the displacement sensor 6 with the fixed end of movable rod 3, the digital display screen is connected with the digital display screen 6.

Working principle: the height of the whole device can be adjusted by adjusting the length of the supporting rod 102, so that the device is suitable for rotary kiln cylinders at different height positions, the sliding rod 303 is used for connecting the first flange 201 with the second flange 301, the variable of the spring 302 is adjusted to be generally smaller than the free length of the spring 302 by about 20mm, the surface of the bearing 4 is contacted with the surface of the rotary kiln cylinder, when the rotary kiln cylinder is deformed, the cylinder rotates to drive the moving rod 3 to press down, the telescopic probe 501 is driven to shrink, and after the rotary kiln rotates for a circle, the displacement sensor 5 transmits a measuring signal to the digital display 6 and displays the numerical variable quantity, so that the deformation of the cylinder is measured, and the ovality is determined.

Claims

1. The rotary kiln barrel deformation measuring instrument comprises a base (1), and is characterized in that: the utility model discloses a displacement sensor, including base (1), through-hole (101) have been seted up to the up end of base (1), the lower terminal surface fixedly connected with bracing piece (102) of base (1), the up end fixedly connected with hollow tube (2) of base (1), the lower extreme and the through-hole (101) intercommunication of hollow tube (2), the upper end of hollow tube (2) is fixed to have cup jointed first flange (201), the inside swing joint of hollow tube (2) has movable rod (3), and the upper end of movable rod (3) runs through hollow tube (2) and extends to the top of hollow tube (2), the outer wall of movable rod (3) is fixed to have cup jointed second flange (301), the outside activity of movable rod (3) has cup jointed spring (302), and spring (302) are located between first flange (201) and second flange (301), the relative one side of first flange (201) and second flange (301) is run through and are connected with a plurality of slide bar (303), and the both ends of slide bar (303) are all threaded connection has spacing nut (3031), the displacement sensor (5) of fixed sensor (5) are installed to the lower terminal surface (1), the upper end of the telescopic probe (501) penetrates through the through hole (101) and is fixedly arranged with the lower end of the movable rod (3).

2. A rotary kiln barrel deformation gauge according to claim 1, wherein: the signal output end of the displacement sensor (5) is connected with a digital display (6) in a signal mode, and a display screen (601) is arranged on the front end face of the digital display (6).

3. A rotary kiln barrel deformation gauge according to claim 1, wherein: the upper end of the moving rod (3) is rotatably connected with a bearing (4).

4. A rotary kiln barrel deformation gauge according to claim 1, wherein: the supporting rod (102) is an adjustable telescopic rod.