CN214054630U

CN214054630U - Nodular cast iron pipe cement inside lining grinding device

Info

Publication number: CN214054630U
Application number: CN202022591760.8U
Authority: CN
Inventors: 张希营; 孙昌智; 柴成林; 孔德洲; 李超刚; 张修海
Original assignee: Guoming Ductile Iron Pipes Co Ltd
Current assignee: Guoming Ductile Iron Pipes Co Ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-08-27
Anticipated expiration: 2030-11-11

Abstract

The utility model provides a nodular cast-iron pipe cement inside lining grinding device for solve among the current grinding process cast-iron pipe need rotate with the complex defect, provide a cast-iron pipe can be polished under quiescent condition by oneself. The device comprises two trolleys, wherein one steel pipe beam is respectively fixed on each trolley, a polishing module is arranged between the two steel pipe beams and comprises an electric spindle, a thousand-leaf grinding wheel, a grinding wheel spindle and a bearing assembly, the electric spindle is fixedly connected with one steel pipe beam, the power spindle of the electric spindle is connected with the grinding wheel spindle through a coupler, two ends of the grinding wheel spindle are respectively connected with the two steel pipe beams through the bearing assembly, and the thousand-leaf grinding wheel is arranged on the grinding wheel spindle. The utility model discloses in the use, the high-speed rotation of thousand leaves emery wheel, cast iron pipe need not to rotate and can polish, and for the rotation of cast iron pipe, thousand leaves emery wheel rotates more easily.

Description

Nodular cast iron pipe cement inside lining grinding device

Technical Field

The utility model relates to a scribble the manufacturing technology field of the nodular cast-iron pipe of cement inside lining, concretely relates to nodular cast-iron pipe cement inside lining grinding device.

Background

In the manufacturing process steps of the nodular cast iron pipe coated with the cement lining, the inner surface of the cement lining needs to be polished by a millstone according to the process requirements after the curing step. In the prior art, the cement lining polishing device is mainly formed by modifying a portable electric hand drill, and has the effect of convenience in carrying. The specific polishing method is that an operator holds equipment by hand to grind the large cast iron pipe, and the defects are low efficiency and bad working environment. Especially grinding dust, causes damage to the lungs of workers.

For this reason, it is necessary to develop a dedicated polishing apparatus. For example, fig. 1 illustrates a special grinding device, the main mechanisms of which comprise: the steel structure trolley is capable of walking and adjusting height, a motor is arranged on the trolley, the motor drives a grinding head to rotate through a plurality of connected transmission shafts, and meanwhile, the motor drives the trolley to slowly move forward to finish the whole polishing of the inner wall of the nodular cast iron pipe; in the use process of the grinding machine with the structure, the flap grinding wheel is located at a fixed position, and the cast iron pipe is required to rotate to be matched with the cast iron pipe to finish the grinding process. The similar special grinding machine can refer to Chinese patent CN104476342B, the technology disclosed in the technical document belongs to an improved structure, and comprises a steel structure trolley and a steel structure rod frame, wherein a grinding head and a transmission shaft are arranged on the steel structure rod frame, and the grinding head is connected with a grinding head driving motor through the transmission shaft; the steel structure trolley is provided with an upper machine body and a lower machine body, and the steel structure rod frame is fixed on the upper machine body; the bottom surface of the lower machine body is provided with a guide wheel; the upper machine body is arranged on the lower machine body through an electric lifting device. The grinding head positioning device can ensure that the floating grinding head seat is relatively parallel to the steel structure rod frame.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a nodular cast-iron pipe cement inside lining grinding device for cast-iron pipe needs to rotate with the complex defect in solving current polishing technology, provides a cast-iron pipe can be polished under quiescent condition by itself.

The utility model provides a technical scheme that its technical problem adopted does:

the grinding device for the cement lining of the ductile cast iron pipe comprises two trolleys, wherein one steel pipe beam is fixed on each trolley, and the grinding device is characterized in that a grinding module is installed between the two steel pipe beams and comprises an electric spindle, a thousand-leaf grinding wheel, a grinding wheel spindle and a bearing assembly, wherein the electric spindle is fixedly connected with one of the steel pipe beams, the power spindle of the electric spindle is connected with the grinding wheel spindle through a coupler, two ends of the grinding wheel spindle are respectively connected with the two steel pipe beams through the bearing assemblies, and the thousand-leaf grinding wheel is installed on the grinding wheel spindle.

Further, the outer ends of the two steel pipe beams are respectively fixed on the trolley through fasteners or clamps.

Furthermore, the trolley is provided with power and has a self-walking function.

Further, the steel tubular beam is a square steel tube.

Further, the main body of the electric spindle is a cuboid.

Further, the height of the trolley body is adjustable.

The utility model has the advantages that:

the utility model discloses in the use, the high-speed rotation of thousand leaves emery wheel, cast iron pipe need not its rotation of external power drive and can polish, for the rotation of cast iron pipe, the utility model discloses a thousand leaves emery wheel rotates at a high speed and polishes, and power is powerful, and the effect is better.

The utility model discloses can realize the purpose of polishing in succession the cast iron pipe is inside, through changing different diameter series's thousand leaf emery wheels, can also realize polishing of the cast iron pipe of different specifications.

Drawings

Fig. 1 is a schematic diagram of a grinding apparatus in the background art.

Fig. 2 is a schematic diagram of the present invention.

Figure 3 is a schematic diagram of a sanding module.

Fig. 4 is a perspective view of the connection of the sanding module with the steel tubular beam.

Fig. 5 is a partial sectional view of the connection of the sanding module to the steel tubular beam.

In the figure:

10 trolleys, 21 steel pipe beams I, 211 extension plates, 22 steel pipe beams II, 30 polishing modules, 31 electric spindles, 32 thousand-leaf grinding wheels, 33 grinding wheel spindles, 34 bearing assemblies and 35 couplers.

Detailed Description

Example 1

This embodiment is developed to current grinding device's defect, provides a nodular cast-iron pipe cement inside lining grinding device, should adopt modular structure to large-scale or super large-scale cast-iron pipe's design, carries out the split with this grinding device, has formed several modules, carries out detailed introduction respectively below.

The trolley module comprises two trolleys, wherein one trolley is arranged on the left side and the other trolley is arranged on the right side, one trolley is selected to be provided with power, and the trolley module has a self-walking function. The above described dolly has a height direction adjustability, specifically, the dolly 10 is a flatbed with a main body that employs a hydraulic lifting platform or an electric lifting platform. The two trolleys are respectively used for fixedly connecting the steel pipe beam I21 and the steel pipe beam II 22. Preferably, the two steel pipe beams in the embodiment are square steel pipes.

The grinding module 30 is connected between the two steel pipe beams I21 and II 22, particularly the middle part of the two steel pipe beams, the grinding module is self-powered, the steel pipe beams at the two ends have enough rigidity, and the grinding module at the middle position has enough support. Specifically, the grinding module includes an electric spindle 31, a grinding wheel 32, a grinding spindle 33, and a series of bearing assemblies 34. The rotating speed of the electric spindle 31 can be selected from a fixed rotating speed electric spindle of 1000-3000 r/min. The main part of the electric spindle has a square housing and is mounted on one of the steel tubular beams, for example on steel tubular beam i 31. A grinding wheel shaft 33 is connected to a power shaft of the electric spindle through a coupler 35, two ends of the grinding wheel shaft 33 are mounted on two steel tube beams through bearings, namely two ends of the grinding wheel shaft 33 are respectively rotatably connected with a steel tube beam II and a steel tube beam I, and the grinding wheel shaft and the electric spindle synchronously rotate. And a grinding wheel 32 is mounted at the center of the grinding wheel spindle. That is, the grinding wheel can rotate at high speed relative to the motorized spindle and the housing portion. Specifically, the grinding wheel spindle 33 is connected with a bearing seat on the steel pipe beam II 22, and the bearing seat is installed at the end part of the steel pipe beam II. The grinding wheel spindle 33 is connected to a bearing seat on the steel pipe beam i, the bearing seat is mounted on an extension plate 211 of the steel pipe beam i, and the extension plate 211 is a steel plate extending from the end of the steel pipe beam i. The axis position of the electric spindle and the steel pipe beam are in the same line, the diameter of the kilo-blade grinding wheel is obviously far larger than the maximum section of the steel pipe beam, the kilo-blade grinding wheel 32 is matched with the inner wall of the cast iron pipe, and the inner wall of the cast iron pipe is ground when the electric spindle rotates at a high speed. Specific structure reference is made to fig. 3 to 5, wherein fig. 3 shows the principle of the sanding module.

The outer ends of the two steel pipe beams are respectively fixed on the trolley through fasteners or clamps, and the height of the flap grinding wheel can be adjusted according to the diameter and the height of the cast iron pipe. The trolley can be an electrically driven trolley or a hydraulically driven trolley, and can be selected according to a use scene.

The specific use method is as follows: the steel pipe beam with the flap grinding wheel penetrates through a cast iron pipe to be treated, the steel pipe beam is fixed at two ends, namely the steel pipe beam is respectively fixed on two trolleys, the flap grinding wheel polishes the inner wall of the cast iron pipe after the steel pipe beam is electrified, and the trolleys move in a traction manner during polishing, so that the polishing of the whole inner wall is finally completed.

In the use process of the device, the inner wall of the cast iron pipe is polished at one time, the efficiency is high, and the polishing consistency is good.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should be able to make various modifications and improvements to the present invention without departing from the spirit of the present invention.

Claims

1. The grinding device for the cement lining of the ductile cast iron pipe comprises two trolleys, wherein one steel pipe beam is fixed on each trolley, and the grinding device is characterized in that a grinding module is installed between the two steel pipe beams and comprises an electric spindle, a thousand-leaf grinding wheel, a grinding wheel spindle and a bearing assembly, wherein the electric spindle is fixedly connected with one of the steel pipe beams, the power spindle of the electric spindle is connected with the grinding wheel spindle through a coupler, two ends of the grinding wheel spindle are respectively connected with the two steel pipe beams through the bearing assemblies, and the thousand-leaf grinding wheel is installed on the grinding wheel spindle.

2. The device for grinding the cement lining of the ductile cast iron pipe as claimed in claim 1, wherein the outer ends of the two steel pipe beams are respectively fixed on the trolley by a fastener or a clamp.

3. The ductile cast iron pipe cement lining grinding device according to claim 1, wherein the trolley is provided with power and has a self-propelled function.

4. The ductile iron pipe cement lining grinding device according to claim 1, wherein the steel pipe beam is a square steel pipe.

5. The grinding device for the cement lining of the ductile cast iron pipe as claimed in claim 4, wherein the main body part of the electric spindle is a rectangular parallelepiped.

6. The ductile cast iron pipe cement lining grinding device according to claim 1, wherein the trolley body is height-adjustable.