CN213179836U - Tool for finding concentricity of sealing ring and shell of vertical wet winding hot water circulating pump - Google Patents
Tool for finding concentricity of sealing ring and shell of vertical wet winding hot water circulating pump Download PDFInfo
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- CN213179836U CN213179836U CN202022663462.5U CN202022663462U CN213179836U CN 213179836 U CN213179836 U CN 213179836U CN 202022663462 U CN202022663462 U CN 202022663462U CN 213179836 U CN213179836 U CN 213179836U
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- concentricity
- sealing ring
- central shaft
- mounting hole
- hot water
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Abstract
Vertical wet winding hot water circulating pump sealing ring looks for frock of concentricity with casing, including adjustable locating plate (1), center pin (2), first bearing (3), spacer sleeve (4), bearing overcoat (5), magnetometer frame (6) and percentage table (7), the both ends of adjustable locating plate (1) are equipped with the fixed slot hole of screw rod respectively, and open at adjustable locating plate (1) middle part has the center pin mounting hole, and center pin (2) bottom one end demountable installation is in the mounting hole of adjustable locating plate (1), the utility model discloses the advantage is: the measuring precision of the concentricity of the sealing ring and the shell is improved, the tool is simple and convenient to operate, the labor intensity is greatly reduced, the working efficiency is greatly improved, and the equipment installation period is shortened.
Description
Technical Field
The utility model relates to an equipment inspection technical field, concretely relates to frock of concentricity is looked for to vertical wet winding hot water circulating pump sealing ring and casing.
Background
At present, vertical wet winding hot water circulating pumps are mostly adopted in high-pressure boiler hot water circulating pumps in the industries of Jingmen petrochemical 3# catalysis, thermal power plants and the like, the pumps are key equipment of the device, and long-period safe and reliable operation of the pumps determines long-period stable operation of the device, so that the installation quality requirements of the pumps in earlier stages are strict. The pump is installed in a mode that a shell is welded and fixed on a hot water circulation pipeline, a pump rotor and a motor winding assembly are installed on the shell in an inverted mode, before the pump rotor and the motor winding assembly are installed, a key process is that the concentricity of a sealing ring and the shell is measured, if the concentricity precision does not meet the requirement, the risk that the pump is stopped due to dynamic and static rubbing in the operation process is caused, and therefore accurate measurement of the concentricity of the sealing ring and the shell is particularly important; the concentricity measuring tool matched with a pump manufacturer is heavy, has large error, inaccurate measured data and poor operability, and brings great risk to the installation quality.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned not enough, and provide the frock that concentricity was looked for to vertical wet winding hot water circulating pump sealing ring and casing.
The utility model discloses an adjustable positioning board, the center pin, first bearing, the spacer sleeve, the bearing overcoat, magnetic force meter rack and percentage table, adjustable positioning board's both ends are equipped with the fixed slot hole of screw rod respectively, open at adjustable positioning board middle part has the center pin mounting hole, center pin bottom one end demountable installation is in adjustable positioning board's mounting hole, first bearing passes through spacer sleeve movable mounting in the top one end of center pin, the bearing overcoat is on the outer lane of first bearing, magnetic force meter rack magnetism is inhaled on the bearing overcoat, the detection end at magnetic force meter rack is installed to the percentage table.
The center shaft mounting hole in the middle of the adjustable positioning plate is a threaded hole, and one end of the bottom of the center shaft is in threaded connection with the center shaft mounting hole.
The middle part of adjustable locating plate is equipped with the lead screw and adjusts the slip table, and it has the center pin mounting hole to open on the slider of lead screw regulation slip table, and center pin bottom one end spiro union is opened on the center pin mounting hole of lead screw regulation slip table on the adjustable locating plate has the center pin to dodge the hole.
The central shaft is a hollow shaft, a transmission rod is arranged in the central shaft, two ends of the transmission rod are movably arranged in the central shaft through second bearings respectively, one end of the top of the transmission rod is provided with a circle of tooth grooves, one end of the top of the bearing outer sleeve is provided with a transmission rod mounting hole, a circle of tooth-shaped protrusions matched with the tooth grooves for use are arranged in the mounting hole, one end of the top of the transmission rod is inserted into the bearing outer sleeve, and one end of the bottom of the transmission rod.
The lead screw adjusting sliding table is a manual lead screw sliding table.
The magnetic meter frame is a universal magnetic meter frame.
And U-shaped magnets are arranged at the positions, located at the screw fixing long holes, of the two ends of the adjustable positioning plate.
The utility model has the advantages that: the measuring precision of the concentricity of the sealing ring and the shell is improved, the tool is simple and convenient to operate, the labor intensity is greatly reduced, the working efficiency is greatly improved, and the equipment installation period is shortened.
Description of the drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the adjustable positioning plate.
Fig. 3 is a schematic view of the concentricity between the measuring shell and the tool.
FIG. 4 is a schematic view of the measuring tool and the seal ring in alignment.
Detailed Description
As shown in the accompanying drawings, the utility model discloses an adjustable locating plate 1, center pin 2, first bearing 3, spacer sleeve 4, bearing housing 5, magnetic force table frame 6 and percentage table 7, adjustable locating plate 1's both ends are equipped with the fixed slot hole of screw rod respectively, open at adjustable locating plate 1 middle part has the center pin mounting hole, 2 bottom one end demountable installation of center pin is in adjustable locating plate 1's mounting hole, first bearing 3 passes through 4 movable mounting of spacer sleeve in center pin 2's top one end, bearing housing 5 covers on first bearing 3's outer lane, 6 magnetism of magnetic force table frame are inhaled on bearing housing 5, the sense terminal at magnetic force table frame 6 is installed to percentage table 7.
The central shaft mounting hole in the middle of the adjustable positioning plate 1 is a threaded hole, and one end of the bottom of the central shaft 2 is screwed on the central shaft mounting hole.
The middle part of adjustable locating plate 1 is equipped with lead screw regulation slip table 8, and it has the center pin mounting hole to open on the slider of lead screw regulation slip table 8, and 2 bottom one end spiro couplings of center pin have the center pin to dodge the hole on the center pin mounting hole of slip table 8 is adjusted to the lead screw, and it has the center pin to dodge the hole to open on the adjustable locating plate 1.
The central shaft 2 is a hollow shaft, a transmission rod 9 is arranged in the central shaft 2, two ends of the transmission rod 9 are respectively movably mounted in the central shaft 2 through second bearings 10, one end of the top of the transmission rod 9 is provided with a circle of tooth grooves, one end of the top of the bearing outer sleeve 5 is provided with a transmission rod mounting hole, a circle of tooth-shaped protrusions matched with the tooth grooves for use are arranged in the mounting hole, one end of the top of the transmission rod 9 is inserted into the bearing outer sleeve 5, and one end of the bottom of the transmission rod 9 is provided.
The screw rod adjusting sliding table 8 is a manual screw rod sliding table.
The magnetic meter frame 6 is a universal magnetic meter frame.
And U-shaped magnets 13 are arranged at the positions, located at the long screw fixing holes, of the two ends of the adjustable positioning plate 1.
The working mode is as follows: adjustable locating plate 1 both ends are fixed respectively on the ring flange of circulation pump casing through the screw rod, erect percentage table 7, make the gauge head of percentage table 7 paste at shells inner wall, through 5 rounds of rolling bearing overcoat, observe the numerical value of casing circumference department percentage table 7, according to the standard requirement of concentricity, loosen the screw rod that adjustable locating plate 1 and casing are connected, relative radial position between adjustable locating plate 1 and the casing makes casing department percentage table 7 numerical value satisfy the requirement, it is fixed with adjustable locating plate 1 again, be about to transition to adjustable locating plate 1 for casing central line benchmark, center pin 2 is casing central line benchmark this moment.
And then erecting a dial indicator 7 at the shell to the sealing ring of the circulating pump, and recording the numerical value of the dial indicator 7 at the sealing ring by rotating the bearing outer sleeve for 5 circles, namely the concentricity of the sealing ring and the shell.
Further, a screw rod adjusting sliding table 8 is arranged in the middle of the adjustable positioning plate 1, a central shaft mounting hole is formed in a sliding block of the screw rod adjusting sliding table 8, one end of the bottom of the central shaft 2 is in threaded connection with the central shaft mounting hole of the screw rod adjusting sliding table 8, a central shaft avoiding hole is formed in the adjustable positioning plate 1 and is a long hole, and when the screw rod adjusting sliding table 8 is adjusted, the central shaft 2 can conveniently move in the adjustable positioning plate 1; when the concentricity of the shell and the adjustable positioning plate 1 is measured, the two ends of the adjustable positioning plate 1 do not need to be loosened, and the relative radial position of the central shaft 2 and the shell can be directly adjusted through the screw rod adjusting sliding table 8.
Further, the central shaft 2 is a hollow shaft, a transmission rod 9 is arranged in the central shaft 2, two ends of the transmission rod 9 are movably arranged in the central shaft 2 through second bearings 10 respectively, one end of the top of the transmission rod 9 is provided with a circle of tooth grooves, one end of the top of the bearing outer sleeve 5 is provided with a transmission rod mounting hole, a circle of tooth-shaped protrusions matched with the tooth grooves for use are arranged in the mounting hole, one end of the top of the transmission rod 9 is inserted into the bearing outer sleeve 5, and one end of the bottom of the transmission rod 9 is provided with; the bearing outer sleeve 5 is rotated through the transmission rod 9, when the bearing outer sleeve is used, a user does not need to stretch into the shell by hand, and the bearing outer sleeve 5 can be controlled to rotate through the rotating handle 11 from the outer side.
The two ends of the adjustable positioning plate 1 are located at the positions of the long fixing holes of the screw rods and are provided with U-shaped magnets 13, the adjustable positioning plate 1 is magnetically attracted on the shell through the U-shaped magnets 13, the screw rods only have a positioning effect, and the installation and the adjustment are convenient and fast.
Claims (7)
1. Vertical wet winding hot water circulating pump sealing ring looks for frock of concentricity with the casing, it includes adjustable locating plate (1) its characterized in that, center pin (2), first bearing (3), spacer sleeve (4), bearing housing (5), magnetic force table frame (6) and percentage table (7), the both ends of adjustable locating plate (1) are equipped with the fixed slot hole of screw rod respectively, open at adjustable locating plate (1) middle part has the central axis mounting hole, center pin (2) bottom one end demountable installation is in the mounting hole of adjustable locating plate (1), first bearing (3) are through spacer sleeve (4) movable mounting in the top one end of center pin (2), bearing housing (5) cover is on the outer lane of first bearing (3), magnetic force table frame (6) magnetism is inhaled on bearing housing (5), the sense terminal in magnetic force table frame (6) is installed in percentage table (7).
2. The tool for finding the concentricity of the sealing ring and the shell of the vertical wet winding hot water circulating pump according to claim 1, wherein a central shaft mounting hole in the middle of the adjustable positioning plate (1) is a threaded hole, and one end of the bottom of the central shaft (2) is in threaded connection with the central shaft mounting hole.
3. The tool for finding the concentricity of the sealing ring and the shell of the vertical wet winding hot water circulating pump according to claim 1, wherein a screw rod adjusting sliding table (8) is arranged in the middle of the adjustable positioning plate (1), a sliding block of the screw rod adjusting sliding table (8) is provided with a central shaft mounting hole, one end of the bottom of the central shaft (2) is screwed on the central shaft mounting hole of the screw rod adjusting sliding table (8), and the adjustable positioning plate (1) is provided with a central shaft avoiding hole.
4. The tool for finding the concentricity of the sealing ring and the shell of the vertical wet winding hot water circulating pump according to claim 3 is characterized in that the central shaft (2) is a hollow shaft, a transmission rod (9) is arranged in the central shaft (2), two ends of the transmission rod (9) are movably arranged in the central shaft (2) through second bearings (10), one end of the top of the transmission rod (9) is provided with a circle of tooth sockets, one end of the top of the bearing outer sleeve (5) is provided with a transmission rod mounting hole, a circle of tooth-shaped protrusions matched with the tooth sockets for use are arranged in the mounting hole, one end of the top of the transmission rod (9) is inserted into the bearing outer sleeve (5), and one end of the bottom of the transmission rod (9) is provided.
5. The tool for finding the concentricity of the sealing ring and the shell of the vertical wet winding hot water circulating pump according to claim 3, wherein the screw rod adjusting sliding table (8) is a manual screw rod sliding table.
6. The tool for finding the concentricity of the sealing ring and the shell of the vertical wet winding hot water circulating pump according to claim 1, wherein the magnetic meter stand (6) is a universal magnetic meter stand.
7. The tool for finding the concentricity of the sealing ring and the shell of the vertical wet winding hot water circulating pump according to claim 1 or 3, wherein the two ends of the adjustable positioning plate (1) are provided with U-shaped magnets (13) at the positions of the long fixing holes of the screw rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022663462.5U CN213179836U (en) | 2020-11-18 | 2020-11-18 | Tool for finding concentricity of sealing ring and shell of vertical wet winding hot water circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022663462.5U CN213179836U (en) | 2020-11-18 | 2020-11-18 | Tool for finding concentricity of sealing ring and shell of vertical wet winding hot water circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213179836U true CN213179836U (en) | 2021-05-11 |
Family
ID=75781602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022663462.5U Active CN213179836U (en) | 2020-11-18 | 2020-11-18 | Tool for finding concentricity of sealing ring and shell of vertical wet winding hot water circulating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213179836U (en) |
-
2020
- 2020-11-18 CN CN202022663462.5U patent/CN213179836U/en active Active
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