CN209986797U - Main air inlet valve beam assembly of water mist sand blasting machine - Google Patents
Main air inlet valve beam assembly of water mist sand blasting machine Download PDFInfo
- Publication number
- CN209986797U CN209986797U CN201920329865.0U CN201920329865U CN209986797U CN 209986797 U CN209986797 U CN 209986797U CN 201920329865 U CN201920329865 U CN 201920329865U CN 209986797 U CN209986797 U CN 209986797U
- Authority
- CN
- China
- Prior art keywords
- angle steel
- blasting machine
- beam assembly
- sand blasting
- shaped
- 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
Images
Landscapes
- Valve Housings (AREA)
Abstract
The utility model relates to a sand blasting machine technical field, it discloses water smoke sand blasting machine's main admission valve beam assembly, including the crossbeam that has the angle steel structure, respectively with the both ends be assembled between/be connected between's T type groove seat piece of crossbeam, the angle steel both ends of crossbeam are provided with the perpendicular to angle steel length direction's seat piece fixed plate, the T type inslot of T type groove seat piece is provided with the nut for T type groove, T type groove seat piece pass through connecting screw with the nut for T type groove connect on the seat piece fixed plate of crossbeam. The utility model discloses can improve the relative position precision of main admission valve crossbeam, make things convenient for the installation of main admission valve to improve water smoke sand blasting machine's appearance quality.
Description
Technical Field
The utility model relates to a sand blasting machine technical field, concretely relates to water smoke sand blasting machine's main admission valve beam assembly.
Background
A water mist sand blasting machine is a device for surface rust removal treatment of steel structural members. The chinese utility model patent application with publication number CN 108747848A discloses a control system of a double-gun water mist sand blasting machine; the chinese utility model patent application with publication number CN 108705455 a discloses a general double-gun water mist sand blasting machine; the chinese utility model patent application with publication number CN 108481210A discloses a water mist abrasive blasting machine; chinese utility model patent application with publication number CN 108857923A discloses an overhead valve control device of a water mist abrasive mixing cylinder. Among the four above-mentioned utility model patent application documents's the disclosed technical scheme, its water smoke abrasive blasting machine's host computer has all adopted a special design's water smoke abrasive material mixing tank, and it utilizes the mushroom overhead valve at water smoke abrasive material mixing tank top to realize opening and shutting of sand grain charge door to through the pressure differential of control water smoke abrasive material mixing tank internal pressure and compressed air, realized more efficient water smoke sandblast.
The main air inlet valve is connected to the abrasive mixing cylinder of the water mist sand blasting machine, the abrasive mixing cylinder body is installed on the support platform, the main air inlet valve is fixed to the cross beam of the support platform, and the position of the cross beam relative to the main air inlet valve interface of the abrasive mixing cylinder needs to be guaranteed to be accurate for smooth installation. However, because the bracket platform, the abrasive mixing cylinder and the main air inlet valve have dimensional errors during manufacturing, the fixed position of the main air inlet valve is not uniform due to the accumulation of the dimensional errors, and the supporting size of the base plate below the main air inlet valve is not uniform, so that the difficulty in field installation is caused, the installation workload is increased, and the overall appearance effect of the water mist sand blasting machine is finally influenced due to the fact that the base plates with different sizes at the cross beam are exposed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a water smoke sand blasting machine's main air intake valve beam assembly aims at improving the relative position precision of main air intake valve crossbeam, makes things convenient for the installation of main air intake valve to improve water smoke sand blasting machine's appearance quality, specific technical scheme is as follows:
the utility model provides a water smoke sand blasting machine's main air inlet valve beam assembly, including the crossbeam that has the angle steel structure, respectively with the both ends be assembled between/be connected between's T type groove seat piece of crossbeam, the angle steel both ends of crossbeam are provided with the perpendicular to angle steel length direction's seat piece fixed plate, the T type inslot of T type groove seat piece is provided with T type groove and uses the nut, T type groove seat piece through the connecting screw with T type groove and use the nut to connect on the seat piece fixed plate of crossbeam.
The connecting screw comprises a hexagon bolt or a stud with one end matched with a nut.
The T-shaped groove seat blocks at the two ends of the main air inlet valve beam assembly are fixed on the support platform, the T-shaped grooves in the T-shaped groove seat blocks can be adjusted in the vertical direction relative to the T-shaped groove seat blocks through nuts, and the seat block fixing plates at the two ends of the beam are connected to the T-shaped groove nuts through connecting screws, so that the vertical position of the beam can be adjusted by adjusting the positions of the T-shaped grooves in the T-shaped groove seat blocks through the nuts, the relative position accuracy of the main air inlet valve beam is improved, and the main air inlet valve is convenient to install.
The utility model discloses well main admission valve beam assembly is as follows with the concrete connection mode of supporting platform: the main air inlet valve beam assembly is connected with a support platform of the sand blasting machine; the support platform comprises a pair of vertical columns which are arranged in parallel and at intervals, and the T-shaped groove seat block in the main air inlet valve beam assembly is fixed on the pair of vertical columns in a bolt connection or welding connection mode; the T-shaped groove of the T-shaped groove seat block is vertically arranged, and the angle steel is horizontally arranged; and the T-shaped groove seat blocks fixed on the pair of upright posts in a bolt connection mode are provided with bolt connection holes for connecting the upright posts.
Preferably, be provided with movable supporting seat on the last plane of angle steel, the upper end of movable supporting seat is provided with the arc holding surface that is used for supporting the main admission valve pipe shaft of sand blasting machine, just the main admission valve pipe shaft passes through movable supporting seat and U-shaped pipe clamp are fixed on the angle steel.
During installation, the movable supporting seat is placed between the lower beam and the upper main air inlet valve pipe body, the U-shaped pipe clamp, the base plate and the nut for the pipe clamp are installed, and the main air inlet valve pipe body, the supporting seat and the beam are connected together.
For the convenience of installation, be provided with the first U-shaped hole that is used for installing the both ends stud head of U-shaped pipe clamp on the upper plane of angle steel.
As preferred scheme, the utility model discloses a water smoke sand blasting machine's main air intake valve beam assembly is still including setting up the backing plate of the last planar back position of angle steel, be provided with second U-shaped hole on the backing plate.
The back of the upper plane of the angle steel belongs to the inner side plane of the angle steel.
Preferably, the size of the first U-shaped hole is larger than the size of the second U-shaped hole.
Through setting up the backing plate that has the second U shape hole, and make the size in first U shape hole is greater than the size in second U shape hole, just can leave great clearance between the stud head in both ends of U-shaped pipe clamp and the first U shape hole like this, be favorable to compensating the position error of main admission valve pipe shaft in left and right directions for the assembly of U-shaped pipe clamp goes on smoothly.
Preferably, the side plane of the angle steel is arranged outwards relative to the side face of the support platform, and an installation notch facilitating installation of the base plate is arranged at the position, located in the first U-shaped hole, on the side plane of the angle steel.
The side plane of the angle steel is arranged on the outer side plane of the angle steel.
Through set up the installation breach on the lateral plane of angle steel for the backing plate can insert fast and target in place during the installation, and the backing plate inserts the inside position that lies in the angle steel after, makes the whole outward appearance effect of crossbeam better.
The utility model discloses in, seat piece fixed plate is located the inboard of angle steel and for two tip indentation settings at angle steel both ends.
Through the indentation setting of seat piece fixed plate at the angle steel both ends for can not expose behind the T type groove seat piece is connected to seat piece fixed plate, be favorable to further improving beam assembly's whole outward appearance effect.
As the preferred scheme of the utility model, each T type groove seat piece on be provided with two T type grooves that are parallel to each other.
Through set up two T type grooves on T type groove seat piece, strengthened the joint strength of angle steel and T type groove seat piece to make the installation of main admission valve more firm reliable.
As the utility model discloses in the concrete structure of supporting seat does: the supporting seat comprises a pair of parallel supporting plates arranged at intervals, the upper ends of the supporting plates are provided with the arc-shaped supporting surfaces, and a rib plate is connected between the pair of supporting plates.
The utility model discloses in, the welding of seat piece fixed plate is in on the angle steel.
A method for installing a main air inlet valve beam assembly of the water mist sand blasting machine comprises the following process steps:
step 1, fixing a T-shaped groove seat block in a beam assembly to a pair of stand columns of a support platform in a bolt connection or welding connection mode;
step 4, loosening a connecting screw connected to a nut for the T-shaped groove, enabling the two ends of the cross beam to move up and down along with the nut for the T-shaped groove, adjusting the height of the cross beam by utilizing the clamping force of the nut for the pipe clamp, and screwing the connecting screw to fix the cross beam after the height is adjusted; and (4) after the cross beam is fixed, checking whether the U-shaped pipe clamp is clamped or not, and fixing the U-shaped pipe clamp by using a nut for the pipe clamp if the U-shaped pipe clamp is loosened.
The utility model has the advantages that:
first, the utility model discloses a water smoke sand blasting machine's main air intake valve beam assembly, the T type groove seat piece at its both ends is fixed on supporting platform, the position adjustment of direction about T type groove in the T type groove seat piece can be done for T type groove seat piece to the nut, and the seat piece fixed plate at crossbeam both ends is through connecting screw connection on T type groove is with the nut, consequently the upper and lower position of crossbeam can be adjusted through the position of adjusting T type groove with the nut in T type groove seat piece, the relative position precision of main air intake valve crossbeam has been improved from this, the installation of main air intake valve has been made things convenient for.
Second, the utility model discloses a water smoke sand blasting machine's main admission valve beam assembly has the backing plate in second U-shaped hole through the setting, and makes the size in first U-shaped hole is greater than the size in second U-shaped hole just can leave great clearance between the both ends stud head of U-shaped pipe clamp and the first U-shaped hole like this, is favorable to compensating the position error of main admission valve shaft body in left right direction for the assembly of U-shaped pipe clamp goes on smoothly.
Third, the utility model discloses a water smoke sand blasting machine's main air intake valve crossbeam subassembly, through set up the installation breach on the lateral plane of angle steel for the backing plate can insert fast and target in place during the installation, and the backing plate inserts the interior position that lies in the angle steel after, makes the whole outward appearance effect of crossbeam better.
Fourth, the utility model discloses a water smoke sand blasting machine's main air intake valve beam assembly through the indentation setting of seat piece fixed plate at the angle steel both ends for T type groove seat piece can not expose after being connected to seat piece fixed plate, is favorable to further improving beam assembly's whole outward appearance effect.
Fifth, the utility model discloses a water smoke sand blasting machine's main admission valve beam assembly through set up two T type grooves on T type groove seat piece, has strengthened the joint strength of angle steel with T type groove seat piece to make the installation of main admission valve more firm reliable.
Drawings
FIG. 1 is a schematic structural view of a main intake valve beam assembly of a water mist sand blasting machine according to the present invention;
FIG. 2 is a schematic structural view of the beam of FIG. 1;
FIG. 3 is a schematic structural view of the T-slot block of FIG. 1;
FIG. 4 is a cross-sectional view of the T-slot block of FIG. 3;
FIG. 5 is a schematic view of the construction of the pallet of FIG. 1;
fig. 6 is a schematic structural view of the support seat.
In the figure: 1. angle steel, 2, crossbeam, 3, T type groove seat piece, 4, seat piece fixed plate, 5, T type groove, 6, nut for T type groove, 7, connecting screw, 8, stand, 9, bolted connection hole, 10, supporting seat, 11, main admission valve pipe shaft, 12, arc holding surface, 13, nut for the pipe clamp, 14, first U shape hole, 15, backing plate, 16, second U shape hole, 17, installation breach, 18, backup pad, 19, gusset, 20, U-shaped pipe clamp.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1:
as shown in fig. 1 to 6 be the utility model discloses a water smoke sand blasting machine's main air intake valve beam assembly's embodiment, including crossbeam 2 that has angle steel 1 structure, respectively with crossbeam 2's both ends be assembled between/be connected between's T type groove seat piece 3, crossbeam 2's angle steel 1 both ends are provided with the perpendicular to angle steel 1 length direction's seat piece fixed plate 4, T type inslot of T type groove seat piece 3 is provided with nut 6 for T type groove, T type groove seat piece 3 through connecting screw 7 with nut 6 for T type groove connect 4 on crossbeam 2's the seat piece fixed plate.
The connecting screw 7 comprises a hexagon bolt or a stud with one end matched with a nut.
The T-shaped groove seat blocks 3 at the two ends of the main air inlet valve beam assembly are fixed on the support platform, the T-shaped groove nuts 6 in the T-shaped groove seat blocks 3 can be adjusted in the vertical direction relative to the T-shaped groove seat blocks 3, and the seat block fixing plates 4 at the two ends of the beam are connected to the T-shaped groove nuts 6 through the connecting screws 7, so that the vertical position of the beam 2 can be adjusted by adjusting the positions of the T-shaped groove nuts 6 in the T-shaped groove seat blocks 3, the relative position accuracy of the main air inlet valve beam is improved, and the main air inlet valve is convenient to install.
The specific connection mode of main air inlet valve beam assembly and support platform in this embodiment is as follows: the main air inlet valve beam assembly is connected with a support platform of the sand blasting machine; the support platform comprises a pair of vertical columns 8 which are arranged in parallel at intervals, and the T-shaped groove seat block 3 in the main air inlet valve beam assembly is fixed on the pair of vertical columns 8 in a bolt connection or welding connection mode; the T-shaped groove of the T-shaped groove seat block 3 is vertically arranged, and the angle steel 1 is horizontally arranged; wherein, the T-shaped groove seat block 3 fixed on the pair of upright posts in a bolt connection mode is provided with a bolt connection hole 9 for connecting the upright posts 8.
Preferably, a movable supporting seat 10 is arranged on the upper plane of the angle steel 1, an arc-shaped supporting surface 12 for supporting a main air inlet valve pipe body 11 of the sand blasting machine is arranged at the upper end of the movable supporting seat 10, and the main air inlet valve pipe body 11 is fixed on the angle steel 1 through the movable supporting seat 10 and a U-shaped pipe clamp 20.
During installation, the movable support seat 10 is placed between the lower beam 2 and the upper main air inlet valve pipe body 11, the U-shaped pipe clamp 20, the backing plate 15 and the nut 13 for the pipe clamp are installed, and the main air inlet valve pipe body 11, the support seat 10 and the beam 2 are connected together.
For the convenience of installation, a first U-shaped hole 14 for installing stud heads at two ends of a U-shaped pipe clamp 20 is arranged on the upper plane of the angle steel 1.
Preferably, the main air inlet valve cross beam assembly of the water mist sand blasting machine of the embodiment further comprises a backing plate 15 arranged on the back of the upper plane of the angle steel 1, and a second U-shaped hole 16 is formed in the backing plate 15.
The back of the upper plane of the angle steel 1 belongs to the inner side plane of the angle steel 1.
Preferably, the first U-shaped aperture 14 is larger in size than the second U-shaped aperture 16.
Through the setting of the backing plate with the second U-shaped hole 16, and the size of the first U-shaped hole 14 is larger than that of the second U-shaped hole 16, a larger gap can be reserved between stud heads at two ends of the U-shaped pipe clamp 20 and the first U-shaped hole 14, so that the position error of the main air inlet valve pipe body 11 in the left-right direction can be compensated, and the assembly of the U-shaped pipe clamp 20 can be carried out smoothly.
Preferably, the side plane of the angle steel 1 is arranged outwards relative to the side surface of the support platform, and an installation notch 17 facilitating installation of the backing plate 15 is arranged at the position, located in the first U-shaped hole 14, on the side plane of the angle steel 1.
The side plane of the angle steel 1 is arranged on the outer side plane of the angle steel 1.
Through set up installation breach 17 on the side plane of angle steel 1 for backing plate 15 can insert fast when the installation and target in place, and backing plate 15 inserts the back and is located the inside position of angle steel 1, makes the whole outward appearance effect of crossbeam better.
In this embodiment, the seat block fixing plate 4 is located inside the angle steel 1 and is set to retract relative to two end portions of two ends of the angle steel 1.
Through the indentation setting at angle steel 1 both ends of seat piece fixed plate 4 for can not expose behind T type groove seat piece 3 being connected to seat piece fixed plate 4, be favorable to further improving beam assembly's whole outward appearance effect.
As a preferable solution of this embodiment, each of the T-shaped groove seat blocks 3 is provided with two T-shaped grooves parallel to each other.
Through set up two T type grooves on T type groove seat piece 3, strengthened angle steel 1 and T type groove seat piece 3's joint strength to make the installation of main admission valve more firm reliable.
The specific structure of the support seat 10 in this embodiment is as follows: the support seat 10 comprises a pair of support plates 18 which are arranged in parallel and at intervals, the arc-shaped support surface 12 is arranged at the upper end of each support plate 18, and a rib plate 19 is connected between the pair of support plates 18.
In this embodiment, the seat block fixing plate 4 is welded to the angle iron 1.
Example 2:
a method of installing a main air inlet valve beam assembly for a water mist blasting machine of embodiment 1, comprising the process steps of:
step 1, fixing a T-shaped groove seat block 3 in a beam assembly on a pair of stand columns 8 of a support platform in a bolt connection or welding connection mode;
step 4, loosening the connecting screws 7 connected to the nuts 6 for the T-shaped grooves, enabling the two ends of the cross beam 2 to move up and down along with the nuts 6 for the T-shaped grooves, adjusting the height of the cross beam 2 by using the clamping force of the nuts 13 for the pipe clamps, and screwing the connecting screws 7 to fix the cross beam 2 after the height is adjusted; after the beam 2 is fixed, whether the U-shaped pipe clamp 20 is clamped or not is checked, and if the U-shaped pipe clamp is loosened, the U-shaped pipe clamp is fixed by using a nut 13 for the pipe clamp.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a water smoke sand blasting machine's main air inlet valve beam assembly, its characterized in that, including the crossbeam that has the angle steel structure, respectively with the both ends be assembled between/be connected's of crossbeam T type groove seat piece, the angle steel both ends of crossbeam are provided with the perpendicular to angle steel length direction's seat piece fixed plate, the T type inslot of T type groove seat piece is provided with T type groove and uses the nut, T type groove seat piece pass through the connecting screw with T type groove and use the nut to connect be in on the seat piece fixed plate of crossbeam.
2. The water mist sander main intake valve beam assembly of claim 1, wherein the main intake valve beam assembly is connected to a stand platform of the sander; the support platform comprises a pair of vertical columns which are arranged in parallel and at intervals, and the T-shaped groove seat block in the main air inlet valve beam assembly is fixed on the pair of vertical columns in a bolt connection or welding connection mode; the T-shaped groove of the T-shaped groove seat block is vertically arranged, and the angle steel is horizontally arranged; the T-shaped groove seat blocks fixed on the pair of upright posts in a bolt connection mode are provided with bolt connection holes for connecting the upright posts.
3. The main intake valve beam assembly of the water mist sand blasting machine according to claim 2, wherein a movable support seat is arranged on the upper plane of the angle steel, an arc-shaped support surface for supporting a main intake valve pipe body of the sand blasting machine is arranged at the upper end of the movable support seat, and the main intake valve pipe body is fixed on the angle steel through the movable support seat and the U-shaped pipe clamp.
4. The main intake valve beam assembly of the water mist sand blasting machine according to claim 3, wherein a first U-shaped hole for mounting stud heads at two ends of a U-shaped pipe clamp is formed on the upper plane of the angle steel.
5. The main air inlet valve beam assembly of the water mist sand blasting machine as claimed in claim 4, further comprising a backing plate arranged at a position behind the upper plane of the angle steel, wherein a second U-shaped hole is formed in the backing plate.
6. The main air inlet valve beam assembly of the water mist sand blasting machine according to claim 5, wherein the side plane of the angle steel is arranged outwards relative to the side face of the bracket platform, and an installation notch facilitating installation of a backing plate is arranged on the part, located in the first U-shaped hole, of the side plane of the angle steel.
7. The water mist sandblasting machine main intake valve cross member assembly as recited in claim 1, wherein said seat block fixing plate is located inside an angle steel and set back with respect to both ends of said angle steel.
8. The main air inlet valve beam assembly of the water mist sand blasting machine as claimed in claim 1, wherein each of the T-shaped groove seat blocks is provided with two T-shaped grooves parallel to each other.
9. The main air inlet valve beam assembly of the water mist sand blasting machine according to claim 3, wherein the support base comprises a pair of parallel support plates arranged at intervals, the upper ends of the support plates are provided with the arc-shaped support surfaces, and rib plates are connected between the pair of support plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329865.0U CN209986797U (en) | 2019-03-15 | 2019-03-15 | Main air inlet valve beam assembly of water mist sand blasting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329865.0U CN209986797U (en) | 2019-03-15 | 2019-03-15 | Main air inlet valve beam assembly of water mist sand blasting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209986797U true CN209986797U (en) | 2020-01-24 |
Family
ID=69289530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920329865.0U Active CN209986797U (en) | 2019-03-15 | 2019-03-15 | Main air inlet valve beam assembly of water mist sand blasting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209986797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834598A (en) * | 2019-03-15 | 2019-06-04 | 中船澄西船舶修造有限公司 | A kind of the master air suction valve transverse beam assembly and installation method of water mist sand-blasting machine |
-
2019
- 2019-03-15 CN CN201920329865.0U patent/CN209986797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834598A (en) * | 2019-03-15 | 2019-06-04 | 中船澄西船舶修造有限公司 | A kind of the master air suction valve transverse beam assembly and installation method of water mist sand-blasting machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209986797U (en) | Main air inlet valve beam assembly of water mist sand blasting machine | |
| CN201711791U (en) | Clamp for machining of elbow with large diameter | |
| CN209094990U (en) | A kind of fixture for processing of the mode tablet raw material of the turret head punch die of bolt | |
| CN102049697B (en) | Fixture for processing small-bore bending machines | |
| CN201863035U (en) | Mechanical processing clamp for minor-caliber bend | |
| CN108972062A (en) | The fixture for processing and processing method of the mode tablet raw material of the turret head punch die of bolt | |
| CN105415020B (en) | A kind of dismountable blade fixture of positioning surface | |
| CN210587846U (en) | Positioning and clamping equipment for welding plastic-steel doors and windows | |
| CN109834598A (en) | A kind of the master air suction valve transverse beam assembly and installation method of water mist sand-blasting machine | |
| CN210451956U (en) | Device for avoiding torsion angle orientation positioning failure in air inlet and outlet edge milling process of blade | |
| CN106624619B (en) | Anti-deformation turning and grinding machining method for inner cavity of cylinder body | |
| CN206710033U (en) | Workpiece hydraulic pressure test fixture | |
| CN210173464U (en) | Machine tooling for sleeper beam | |
| CN217954089U (en) | Concrete axial tension test anchor clamps | |
| CN219617102U (en) | Pneumatic pressure device with adjustable distance | |
| CN219649072U (en) | Welding tool for corner of longitudinal beam of frame | |
| CN210209241U (en) | Adjustable clamping platform for workpiece machining | |
| CN219901879U (en) | Cylinder body locating surface adds clamping apparatus | |
| CN220197404U (en) | Assembling clamp | |
| CN212552794U (en) | Make things convenient for automobile front cross beam quality piece anchor clamps of dismouting | |
| CN221121527U (en) | Air-cooled self-circulation water ring vacuum pump unit | |
| CN219275778U (en) | Movable clamping tool for plate workpieces | |
| CN220128011U (en) | Welding equipment | |
| CN219794329U (en) | Stone dry-hanging installation system | |
| CN210878636U (en) | Adjustable porous positioning fixture for linear guide rail cutting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |