CN220206589U - Tube hole centering tool for condenser tube plate - Google Patents
Tube hole centering tool for condenser tube plate Download PDFInfo
- Publication number
- CN220206589U CN220206589U CN202321757559.XU CN202321757559U CN220206589U CN 220206589 U CN220206589 U CN 220206589U CN 202321757559 U CN202321757559 U CN 202321757559U CN 220206589 U CN220206589 U CN 220206589U
- Authority
- CN
- China
- Prior art keywords
- measuring
- measuring ruler
- positioning
- ruler
- bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 10
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model relates to the technical field of tube hole measurement, and discloses a tube hole centering tool of a condenser tube plate, which comprises a first measuring ruler, a second measuring ruler, a measuring bracket and two positioning brackets; the measuring bracket and the two positioning brackets are both arranged on the first measuring ruler in a sliding manner, the two positioning brackets are arranged on two sides of the measuring bracket, and the measuring bracket and the two positioning brackets are vertically protruded out of the same side of the first measuring ruler; the second measuring ruler is slidably arranged on the measuring bracket; one end of each positioning bracket, which is far away from the first measuring ruler, is provided with a positioning pin, and the positioning pins on each positioning bracket protrude towards the same side; one end of the positioning bracket, which is close to the first measuring ruler, is provided with a first locking part for locking the positioning bracket to the first measuring ruler so as to limit the sliding of the positioning bracket relative to the first measuring ruler. The pipe hole centering tool for the condenser pipe plate is convenient for measuring the center of the pipe hole, and has high measurement accuracy, so that the installation efficiency of the pipe plate is improved.
Description
Technical Field
The utility model relates to the technical field of tube hole measurement, in particular to a tube hole centering tool of a condenser tube plate.
Background
The condenser is a heat exchanger for condensing steam discharged by a steam turbine into water, which is also called a water re-heater. The condenser is mainly used in a turbine power device and is divided into a water-cooling condenser and an air-cooling condenser. The condenser can not only condense the exhaust steam of the steam turbine into water for reuse by the boiler, but also establish and maintain a vacuum environment at the exhaust steam of the steam turbine. The condenser is internally provided with a plurality of tube plates and a plurality of tube arrays arranged in the tube holes of the tube plates.
When the condenser is used for arranging the tubes, a row of tube plates are firstly required to be positioned at the same horizontal position, and the tube holes on the tube plates are mutually aligned, so that the arranging position is accurate, and the deviation of the relative positions of the tube plates directly influences the installation quality and the service life of the equipment. At present, the pipe hole centering tool of the condenser pipe plate adopts a steel ruler to measure the relative positions of steel wires and pipe holes in the horizontal and vertical directions, and because the construction space is limited, the measurement accuracy is low by experience operation during measurement, the repeated measurement and adjustment are carried out, the workload is high, and therefore the installation efficiency of a row of multiple pipe plates in the condenser is low.
Disclosure of Invention
The utility model aims to provide a pipe hole centering tool for a condenser pipe plate, which is convenient for measuring the center of the pipe hole and has high measurement precision, thereby improving the installation efficiency of the pipe plate.
In order to achieve the above purpose, the utility model provides a tube hole centering tool of a condenser tube plate, which comprises a first measuring ruler, a second measuring ruler, a measuring bracket and two positioning brackets;
the measuring support and the two positioning supports are both slidably mounted on the first measuring ruler and can slide along the extending direction of the first measuring ruler, the two positioning supports are arranged on two sides of the measuring support, and the measuring support and the two positioning supports are vertically protruded out of the same side of the first measuring ruler; the second measuring ruler is slidably mounted on the measuring bracket and can slide along the extending direction of the measuring bracket, and length scales are arranged on the first measuring ruler and the second measuring ruler;
one end of the positioning support, which is far away from the first measuring ruler, is provided with positioning pins, and the positioning pins on the positioning supports protrude towards the same side; one end of the positioning support, which is close to the first measuring ruler, is provided with a first locking part used for locking the positioning support to the first measuring ruler so as to limit the sliding of the positioning support relative to the first measuring ruler.
In some embodiments, the measurement bracket comprises a measurement rod, a first slider, and a second locking portion;
the measuring rod is arranged on one side of the first sliding block and is perpendicular to the first measuring ruler, the first sliding block is slidably arranged on the first measuring ruler and can slide along the extending direction of the first measuring ruler, the second locking part is arranged on the first sliding block and is used for locking the first sliding block to the first measuring ruler so as to limit the first sliding block to slide relative to the first measuring ruler.
In some embodiments, a second threaded hole is formed in the first slider, the second locking portion includes a second bolt, the second bolt is meshed with the second threaded hole, and the bottom end of the second bolt is matched and abutted against the first measuring ruler.
In some embodiments, the upper end and the lower end of the second measuring ruler are provided with clamping parts, and the second measuring ruler is slidably mounted on the measuring rod through the clamping parts.
In some embodiments, a third locking portion is mounted on the clamping portion, the third locking portion being used to lock the second measuring scale to the measuring rod so as to limit sliding of the second measuring scale relative to the measuring rod.
In some embodiments, a third threaded hole is formed in the clamping portion, the third locking portion comprises a third bolt, the third bolt is meshed with the third threaded hole, and the bottom end of the third bolt is matched and abutted against the measuring rod.
In some embodiments, the positioning bracket comprises a positioning rod and a second sliding block, wherein the positioning rod is installed on one side of the second sliding block and is perpendicular to the first measuring ruler, and the second sliding block is slidably installed on the first measuring ruler and can slide along the extending direction of the first measuring ruler;
the second slider is provided with a first threaded hole, the first locking part comprises a first bolt, the first bolt is meshed with the first threaded hole, and the bottom end of the first bolt is matched with and propped against the first measuring ruler.
In some embodiments, a mounting hole is formed in an end of the positioning rod away from the first measuring scale, and the mounting hole is used for mounting the positioning pin.
In some embodiments, the positioning pin comprises a positioning portion and a mounting portion integrally formed with the positioning portion, the mounting portion is disposed above the positioning portion, and the mounting portion is mounted in the mounting hole of the positioning rod.
In some embodiments, the diameters of the positioning portions of the positioning pins decrease from top to bottom, and the bottoms of the positioning portions are installed in the tube holes of the tube plate.
The utility model provides a pipe hole centering tool for a condenser pipe plate, which has the beneficial effects that compared with the prior art:
the locating pins are arranged at the bottom of one end, far away from the first measuring ruler, of each locating support, the locating pins can be arranged in the pipe holes, and the whole centering tool is located on the pipe plate; the first dipperstick that sets up is fixed a position through the locating pin, and second dipperstick slidable mounting is on measuring the support, and the slip direction of second dipperstick is perpendicular with the direction of arranging of first dipperstick, uses through first dipperstick and second dipperstick cooperation, can measure the central point of tube hole fast, guarantees that measurement accuracy is high to promote the installation effectiveness of tube sheet.
Drawings
Fig. 1 is a schematic perspective view of a tube hole centering tool for a condenser tube plate according to an embodiment of the present utility model.
Fig. 2 is a schematic top view structure of a tube hole centering tool for a condenser tube plate according to an embodiment of the present utility model.
Fig. 3 is a schematic diagram of a cross-sectional enlarged structure of a second measuring rule of a tube hole centering tool of a condenser tube plate according to an embodiment of the present utility model.
Fig. 4 is a schematic structural diagram of a positioning bracket of a tube hole centering tool of a condenser tube plate according to an embodiment of the present utility model.
Fig. 5 is an enlarged schematic view of a locating pin of a tube hole centering tool of a condenser tube plate according to an embodiment of the present utility model.
Fig. 6 is a schematic diagram of a tube hole centering tool for a condenser tube plate according to an embodiment of the present utility model.
In the figure:
100. a pipe hole centering tool; 1. a first measuring scale; 2. a second measuring scale; 21. a clamping part; 22. a third bolt; 3. measuring a bracket; 31. a measuring rod; 32. a first slider; 33. a second bolt; 4. a positioning bracket; 41. a positioning rod; 42. a second slider; 43. a mounting hole; 5. a positioning pin; 51. a positioning part; 52. a mounting part; 6. a first bolt; 7. a tube sheet; 71. pipe holes; 8. and (3) a steel wire.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application.
It should be understood that in the description of the present application, the terms "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e., features defining "first," "second," may explicitly or implicitly include one or more such features. Furthermore, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1 to 6, the pipe hole centering tool for the condenser pipe plate in the embodiment of the utility model comprises a first measuring ruler 1, a second measuring ruler 2, a measuring bracket 3 and two positioning brackets 4;
the measuring bracket 3 and the two positioning brackets 4 are both slidably mounted on the first measuring ruler 1 and can slide along the extending direction of the first measuring ruler 1, the two positioning brackets 4 are arranged on two sides of the measuring bracket 3, and the measuring bracket 3 and the two positioning brackets 4 are vertically protruded out of the same side of the first measuring ruler 1; the second measuring ruler 2 is slidably arranged on the measuring bracket 3 and can slide along the extending direction of the measuring bracket 3, and length scales are arranged on the first measuring ruler 1 and the second measuring ruler 2;
a locating pin 5 is arranged at one end of each locating bracket 4 far away from the first measuring ruler 1, and the locating pins 5 on each locating bracket 4 protrude towards the same side; one end of the positioning bracket 4, which is close to the first measuring ruler 1, is provided with a first locking part for locking the positioning bracket 4 to the first measuring ruler 1 so as to limit the sliding of the positioning bracket 4 relative to the first measuring ruler 1.
Based on the arrangement, the locating pins 5 are arranged at the bottoms of one ends of the locating brackets 4 far away from the first measuring ruler 1, the locating pins 5 can be arranged in the pipe holes 71, and the whole centering tool is positioned on the pipe plate 7; when the first measuring ruler 1 is positioned through the positioning pin 5, the second measuring ruler 2 is slidably mounted on the measuring support 3, the sliding direction of the second measuring ruler 2 is perpendicular to the arrangement direction of the first measuring ruler 1, the central position of the pipe hole can be rapidly measured through the cooperation of the first measuring ruler 1 and the second measuring ruler 2, the measuring accuracy is high, and accordingly the tube plate mounting efficiency is improved.
As shown in fig. 2, the measuring bracket 3 includes a measuring rod 31, a first slider 32 and a second locking portion, the measuring rod 31 is mounted on one side of the first slider 32 and is perpendicular to the first measuring scale 1, the first slider 32 is slidably mounted on the first measuring scale 1 and can slide along the extending direction of the first measuring scale 1, a second threaded hole is formed in the first slider 32, the second locking portion includes a second bolt 33, the second bolt 33 is meshed with the second threaded hole, and the bottom end of the second bolt is matched and offset with the first measuring scale 1. When the measuring rod 31 is used, the measuring rod 31 moves on the first measuring ruler 1 through the first sliding block 32, and after the second measuring ruler 2 is driven to move to the center of the measuring tube hole 71 through the movement of the measuring rod 31, the position of the measuring bracket 3 is fixed through tightening the second bolt 33, so that the measuring is convenient.
As shown in fig. 2 and 3, the upper and lower ends of the second measuring ruler 2 are provided with clamping parts 21, the second measuring ruler 2 is slidably mounted on the measuring rod 31 through the clamping parts 21, the clamping parts 21 are integrally formed with the body of the second measuring ruler 2 in an L-shaped bent shape, and when the second measuring ruler 2 slides on the measuring rod 31, the clamping parts 21 are attached to two end faces of the sliding rod 31, so that the sliding stability of the second measuring ruler 2 is ensured.
Further, a third screw hole and a third locking portion are formed in the bottom of the second measuring ruler 2, wherein the third locking portion comprises a third bolt, the third bolt 22 is meshed with the third screw hole, and the bottom end of the third bolt is matched and abutted against the measuring rod 31. After the second measuring ruler 2 moves to the central position capable of measuring the pipe hole 71, the second measuring ruler 22 is fixed on the measuring rod 31 by tightening the third bolt 22, so that the central position of the pipe hole 71 can be effectively determined, and at the moment, the second measuring ruler 2 is fixed in position and convenient to observe.
As shown in fig. 1, 4 and 6, the positioning bracket 4 comprises a positioning rod 41 and a second sliding block 42, the positioning rod 41 is installed on one side of the second sliding block 42 and is perpendicular to the first measuring scale 1, the second sliding block 42 is slidably installed on the first measuring scale 1, a first threaded hole is formed in the second sliding block 42, the first locking part comprises a first bolt 6, the first bolt 6 is meshed with the first threaded hole, and the bottom end of the first locking part is matched and abutted against the first measuring scale 1. The end of the positioning rod 41 remote from the first measuring scale 1 is provided with a mounting hole 43, the mounting hole 43 being used for mounting the positioning pin 5. The interval between the two positioning rods 41 can be adjusted through the two second sliding blocks 42, so that the positioning pins 5 installed on the positioning rods 41 can be correspondingly installed in the pipe holes 71 of the pipe plate 7, the whole pipe hole centering tool 100 can be positioned conveniently, the center position of the pipe hole 71 is measured conveniently, specifically, the center position of the residual pipe hole 71 between the two pipe holes 71 installed by the two positioning pins 5 is measured, and one or two residual pipe holes 71 can be used.
As shown in fig. 5, the positioning pin 5 includes a positioning portion 51 and an attachment portion 52 integrally formed with the positioning portion 51, the attachment portion 52 being provided above the positioning portion 51, the attachment portion 52 being attached to the attachment hole 43 of the positioning lever 41. The diameter of the positioning portion 51 of the positioning pin 5 decreases from top to bottom, and the bottom of the positioning portion 51 is mounted in the tube hole 71 of the tube plate 7. So that the positioning portion 51 is easily engaged and mounted in the pipe hole 71. The diameter of the bottom of the positioning portion 51 is smaller than the diameter of the tube hole 71.
Specifically, the length of the measuring bracket 3 is longer than that of the positioning bracket 4, so that the moving stroke of the second measuring ruler 2 can be prolonged, and the center position of more tube holes 71 can be measured.
Specifically, the first measuring ruler 1 and the second measuring ruler 2 are positioned on the same plane, so that the structure is kept compact, and the use is convenient.
As shown in fig. 2 and 6, when the tube hole 71 is centered by the tube hole centering tool 100, a set of tube plates 7 horizontally arranged at intervals are faced, a plug body is mounted on the tube holes of the tube plates (not shown) at the two outer ends, a steel wire 8 is mounted at the center position of the plug body, and then the steel wire 8 sequentially passes through the tube plates 7 at the middle position, and at this time, the position of the steel wire 8 is measured by mounting the tube hole centering tool 100 on the tube holes 71 of the tube plates 7 at the middle position through the positioning pins 5. By judging whether the center position of the tube hole 71 coincides with the steel wire 8, it is judged whether the tube plate 7 in the intermediate position is mounted in place.
In a specific process, the measuring bracket 3 is moved to enable the upper surface of the second measuring ruler 2 to coincide with the transverse diameter of the pipe hole 71, and the position of the second measuring ruler 2 is moved to enable zero scale of the second measuring ruler 2 to coincide with the longitudinal diameter of the pipe hole 71, so that the central position of the pipe hole 71 is found out, the central position coincides with the zero scale line of the second measuring ruler 2, and at the moment, the first bolt 6, the second bolt 33 and the third bolt 22 are screwed down to enable the pipe hole centering tool 100 to be stable in structure. Through comparing whether the steel wire 8 and the zero scale mark of the second measuring ruler 2 deviate or not, if the deviation appears, the position of the tube plate 7 is adjusted, so that the steel wire coincides with the zero scale mark of the second measuring ruler 2, the central positions of tube holes 71 of other tube plates 7 in the middle position are measured through the method, the tube plates 7 in the middle position are positioned at the same horizontal position through comparing and adjusting, finally, the tube plates 7 are fixedly installed, and the tube holes 71 of the tube plates 7 after being fixedly installed are positioned at the same horizontal position, so that the tube arrangement installation in the tube holes 71 is more convenient.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (10)
1. A tube hole centering tool of a condenser tube plate is characterized in that: the device comprises a first measuring ruler, a second measuring ruler, a measuring bracket and two positioning brackets;
the measuring support and the two positioning supports are both slidably mounted on the first measuring ruler and can slide along the extending direction of the first measuring ruler, the two positioning supports are arranged on two sides of the measuring support, and the measuring support and the two positioning supports are vertically protruded out of the same side of the first measuring ruler; the second measuring ruler is slidably mounted on the measuring bracket and can slide along the extending direction of the measuring bracket, and length scales are arranged on the first measuring ruler and the second measuring ruler;
one end of the positioning support, which is far away from the first measuring ruler, is provided with positioning pins, and the positioning pins on the positioning supports protrude towards the same side; one end of the positioning support, which is close to the first measuring ruler, is provided with a first locking part used for locking the positioning support to the first measuring ruler so as to limit the sliding of the positioning support relative to the first measuring ruler.
2. The tube hole centering tool of a condenser tube sheet according to claim 1, wherein: the measuring bracket comprises a measuring rod, a first sliding block and a second locking part;
the measuring rod is arranged on one side of the first sliding block and is perpendicular to the first measuring ruler, the first sliding block is slidably arranged on the first measuring ruler and can slide along the extending direction of the first measuring ruler, the second locking part is arranged on the first sliding block and is used for locking the first sliding block to the first measuring ruler so as to limit the first sliding block to slide relative to the first measuring ruler.
3. The tube hole centering tool of the condenser tube plate according to claim 2, wherein: the first sliding block is provided with a second threaded hole, the second locking part comprises a second bolt, the second bolt is meshed with the second threaded hole, and the bottom end of the second bolt is matched with and propped against the first measuring ruler.
4. The tube hole centering tool of the condenser tube plate according to claim 2, wherein: the upper end and the lower end of the second measuring ruler are provided with clamping parts, and the second measuring ruler is slidably mounted on the measuring rod through the clamping parts.
5. The tube hole centering tool of a condenser tube sheet according to claim 4, wherein: the clamping part is provided with a third locking part which is used for locking the second measuring ruler to the measuring rod so as to limit the second measuring ruler to slide relative to the measuring rod.
6. The tube hole centering tool of the condenser tube plate according to claim 5, wherein: and a third threaded hole is formed in the clamping part, the third locking part comprises a third bolt, the third bolt is meshed with the third threaded hole, and the bottom end of the third bolt is matched with and propped against the measuring rod.
7. The tube hole centering tool of a condenser tube sheet according to claim 1, wherein: the positioning support comprises a positioning rod and a second sliding block, the positioning rod is arranged on one side of the second sliding block and is perpendicular to the first measuring ruler, and the second sliding block is slidably arranged on the first measuring ruler and can slide along the extending direction of the first measuring ruler;
the second slider is provided with a first threaded hole, the first locking part comprises a first bolt, the first bolt is meshed with the first threaded hole, and the bottom end of the first bolt is matched with and propped against the first measuring ruler.
8. The tube hole centering tool of the condenser tube sheet according to claim 7, wherein: the locating rod is far away from one end of the first measuring ruler and is provided with a mounting hole, and the mounting hole is used for mounting the locating pin.
9. The tube hole centering tool of a condenser tube sheet according to claim 8, wherein: the locating pin includes locating part and with locating part integrated into one piece's installation department, installation department is located the top of locating part, installation department install in the mounting hole of locating lever.
10. The tube hole centering tool of a condenser tube sheet according to claim 9, wherein: the diameter of the positioning part of the positioning pin is gradually decreased from top to bottom, and the bottom of the positioning part is arranged in the pipe hole of the pipe plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321757559.XU CN220206589U (en) | 2023-07-06 | 2023-07-06 | Tube hole centering tool for condenser tube plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321757559.XU CN220206589U (en) | 2023-07-06 | 2023-07-06 | Tube hole centering tool for condenser tube plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220206589U true CN220206589U (en) | 2023-12-19 |
Family
ID=89150808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321757559.XU Active CN220206589U (en) | 2023-07-06 | 2023-07-06 | Tube hole centering tool for condenser tube plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220206589U (en) |
-
2023
- 2023-07-06 CN CN202321757559.XU patent/CN220206589U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220206589U (en) | Tube hole centering tool for condenser tube plate | |
| CN214308438U (en) | Drawing is measured with screw thread plug gauge of being convenient for stably putting | |
| CN210570434U (en) | Utensil is examined to clutch low pressure pipe | |
| CN216558712U (en) | Marble flatness detection device | |
| CN211651487U (en) | Threaded hole verticality measuring device | |
| CN108468863B (en) | Supporting device for compensating end expansion in heat waste test of heat collecting pipe | |
| CN218994274U (en) | Workbench flatness error measuring device | |
| CN219810386U (en) | Workpiece verticality measuring device | |
| CN216977750U (en) | Measuring device for depth of circular hole inner ring groove | |
| CN221019435U (en) | Positioning device and welding production line | |
| CN215491562U (en) | Variable gauge length cable strain measurement system | |
| CN219015159U (en) | Gauge for rapidly checking inner and outer dimensions of guide rail | |
| CN220982382U (en) | Water level sign with adjustable put mouth | |
| CN219368629U (en) | Appliance for measuring straightness of heat exchanger and assembly | |
| CN219725100U (en) | Bedstead processing welding frock | |
| CN219521103U (en) | Double-hole structure sleeve auxiliary installation device | |
| CN220583553U (en) | Sensor detects frock | |
| CN213455190U (en) | Longitudinal positioning and fixing device | |
| CN219034088U (en) | Control device for component placement spacing | |
| CN216348201U (en) | Utensil is examined in special use of 90 return bends | |
| CN218916169U (en) | Auxiliary tool for measuring precise hole of step | |
| CN216049587U (en) | External spline action tooth thickness detection device | |
| CN221280372U (en) | High-precision water level measuring needle assembly with adjustable base | |
| CN211360143U (en) | Long shaft measuring mechanism for measuring cross section distortion of metal bent pipe | |
| CN211373397U (en) | Fixing tool for plane detection of forming cutter rest |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |