CN220269064U - Flexible fixing device for code scale reading head - Google Patents
Flexible fixing device for code scale reading head Download PDFInfo
- Publication number
- CN220269064U CN220269064U CN202320626111.8U CN202320626111U CN220269064U CN 220269064 U CN220269064 U CN 220269064U CN 202320626111 U CN202320626111 U CN 202320626111U CN 220269064 U CN220269064 U CN 220269064U
- Authority
- CN
- China
- Prior art keywords
- plate
- optical axis
- fixing
- guide groove
- horizontal
- 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
- 230000003287 optical effect Effects 0.000 claims abstract description 51
- 238000006073 displacement reaction Methods 0.000 claims abstract description 12
- 230000035939 shock Effects 0.000 claims abstract description 12
- 238000005452 bending Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The utility model relates to a flexible fixing device for a reading head of an encoding ruler, which comprises a fixing plate, an outer fixing frame, an optical axis and an L-shaped end cover, wherein a rigid connecting piece for fixing a telescopic chute is arranged on the outer fixing frame; the outer fixing frame is a right angle plate, an L-shaped end cover is further arranged on the horizontal plate at one side opposite to the right angle, and optical axes are horizontally and symmetrically arranged between the outer fixing frame and the L-shaped end cover; the lower part of the fixed plate is provided with a code scale reading head, an elastic shock pad is arranged between the horizontal top plate and the code scale reading head, the top end of the fixed plate is provided with a C-shaped guide groove plate, and the fixed plate is slidably arranged on an optical axis through a C-shaped guide groove of the C-shaped guide groove plate; realizing the horizontal displacement of the fixed plate along the optical axis. The utility model can solve the problems of overlarge axial horizontal displacement in the field, damage caused by the vibration of the encoder; and can assemble in advance in offsite position, take the device to job site, very big reduction the engineering time.
Description
Technical Field
The utility model relates to the technical field of detection auxiliary devices, in particular to a flexible fixing device for a code ruler reading head for detecting the displacement distance of a telescopic chute of a ship loader in an unmanned control system of port equipment, namely the intelligent internet of things of the ship loader.
Background
The ship loader is a large bulk cargo machine used when loading ships in bulk cargo wharf. The general ship loader consists of an arm support belt conveyor, a transition belt conveyor, a telescopic chute, a tail car, a running device, a portal frame, a tower frame, a pitching device, a turning device and the like. The ship loader plays an important role in the high-speed, stable, efficient and rolling development of bulk material collecting and distributing centers in the industries of energy, electric power, metallurgy, ports and the like. The global trade integrated development promotes the global demand for bulk cargo transportation, and the sea traffic of bulk cargo such as iron ore, coal, grain and the like rises in a rapidly growing situation. The need for bulk cargo handling ship equipment is associated with the construction of ultra-large harbors capable of docking and docking these large vessels, and the enlargement of bulk cargo ship forms also presents new challenges for the design and manufacture of bulk cargo handling ship machine equipment.
The traditional shipment operation is carried out by shipment machine driver through window and external camera return's fixed picture and shipment operation is carried out, the manual work is carried out shipment machine at cab operating handle, moves the storehouse, every single move, operation such as flexible. The existing bulk cargo ship type replacement speed is high, tonnage is increased continuously, daily shipping operation is not mechanically repeated, and strictly speaking, each bulk cargo ship needs different shipping and moving schemes, so that higher requirements are placed on the operation of a ship loader and the cooperation of a driver and a ship.
The existing shipment operation realizes unmanned control operations such as automatic obstacle avoidance, automatic shipment, automatic bin moving, automatic anchoring and the like of the shipment machine by installing various sensors on the shipment machine equipment. In the displacement work of detecting the telescopic chute, the detection mode of the combination of the code scale and the code scale reading head is adopted, the code scale is fixed on the pitching arm support, the reading head is fixed on the telescopic chute arm support, when the telescopic chute moves, the telescopic distance of the telescopic chute can be accurately detected in real time by the system, but because the movement between the telescopic chute and the pitching arm support is realized through steel rails and wheels, the horizontal axial movement gap is about 10mm-50mm according to the difference of the wear degree of wheels of a ship loader, the gap between the code scale and the code scale reading head of different types is only 10mm-20mm, during the relative movement process of the telescopic chute and the pitching arm support, the reading head frequently collides and rubs with the code scale, so that the code scale and the code scale reading head are often damaged due to severe collision, the code scale is also rigidly fixed on the telescopic circulation arm support, most of vibration in the mechanical movement is born, and the code scale is easy to damage. Thus, there is a need for a flexible encoder scale readhead fixture for detecting the displacement distance of a telescoping chute of a ship loader that is versatile and adaptable to field conditions.
Patent documents related to the present application were not found by searching.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a universal flexible fixing device for a code scale reading head, which is suitable for the field environment and is used for detecting the displacement distance of a telescopic chute of a ship loader, and the device can solve the problems of damage and the like caused by overlarge axial horizontal displacement of the field and the bearing of a coder on machine vibration.
The utility model solves the technical problems by adopting the following technical scheme:
the flexible fixing device for the code scale reading head comprises a fixing plate, an outer fixing frame, an optical axis and an L-shaped end cover, wherein the outer fixing frame is an integrally formed right angle plate, the right angle plate comprises a horizontal plane plate and a vertical plate formed by integrally bending one end of the horizontal plane plate downwards, and a rigid connecting piece for fixing a telescopic chute is arranged on the horizontal plane plate; an L-shaped end cover is also arranged on the horizontal panel at the opposite side of the vertical plate, and optical axes are symmetrically arranged between the vertical plate and the L-shaped end cover; the fixing plate comprises a fixing plate body, the fixing plate body comprises a horizontal top plate and side plates formed by integrally and vertically bending downwards at two ends of the horizontal top plate, a code scale reading head is arranged at the lower part of the horizontal top plate, an elastic shock pad is arranged between the horizontal top plate and the code scale reading head, C-shaped guide groove plates are symmetrically bent upwards at the other two ends of the horizontal top plate, and the fixing plate is slidably arranged on an optical axis through C-shaped guide grooves of the C-shaped guide groove plates; realizing the horizontal displacement of the fixed plate along the optical axis.
The two opposite ends of the horizontal plane plate are also integrally bent vertically downwards to form mounting plates, the horizontal plane plate is used for covering the C-shaped guide groove plate at the upper part of the fixing plate, the mounting plates are used for being connected with the C-shaped guide groove plate at the top end of the fixing plate through bolts, and the vertical plate and the L-shaped end cover of the outer fixing frame are respectively provided with a first optical axis mounting hole and a second optical axis mounting hole; threads are machined at two ends of the optical axis, one end of the optical axis is fixed with the first optical axis mounting hole on the external fixing frame through a nut, and the other end of the optical axis is fixed with the second optical axis mounting hole on the L-shaped end cover through a nut.
And two arc-shaped elastic sheets are respectively arranged on the outer side surfaces of the side plates.
And cleaning brush fixing plates are symmetrically arranged at the lower parts of two sides of the side plate and used for mounting the antistatic brush.
And the fixing plate body is integrally bent, and fixing plate reinforcing ribs are arranged between the upper parts of the two sides of the side plate and the horizontal top plate.
And a polytetrafluoroethylene layer is arranged in the C-shaped guide groove of the C-shaped guide groove plate.
And reinforcing ribs are integrally formed between the mounting plate and the vertical plate.
And the second optical axis mounting hole is a strip hole.
And an elastic shock pad is also arranged between the rigid connecting piece and the horizontal plane plate of the external fixing frame.
Moreover, the elastic shock pad includes a rubber pad, a polyurethane pad, and a spring.
The utility model has the advantages and positive effects that:
the utility model has novel structure, can be preassembled at an offsite position, brings the device to a construction site, and greatly shortens the construction time; and the problems of damage and the like caused by overlarge axial horizontal displacement of the site and bearing of the encoder by machine vibration can be solved.
According to the utility model, the polytetrafluoroethylene layer is arranged in the C-shaped guide groove of the C-shaped guide groove plate, and the sliding friction realizes passive horizontal position adjustment, so that the stability is high, and the device is reliable and durable.
According to the utility model, two arc-shaped elastic pieces are respectively arranged on the outer side surfaces of the side plates of the fixed plate, and the arc-shaped elastic pieces are used for flexible limiting, so that the damping effect is good, the later maintenance is convenient, and accumulated dust is less compared with a spring.
The utility model realizes the flexible assembly of the code scale reading head, effectively protects the code scale reading head and reduces the failure rate of the reading head; the utility model adopts all bolts for fixation, does not need welding operation, reduces construction difficulty and reduces approval flow.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a side view of the present utility model;
FIG. 3 is a schematic view of a structure of a fixing plate according to the present utility model;
FIG. 4 is a side view of a mounting plate of the present utility model;
FIG. 5 is a schematic view of the structure of the external fixing frame of the present utility model;
FIG. 6 is a schematic view of the structure of the L-shaped end cap of the present utility model.
In the figure: 1. a fixing plate; 2. an outer fixing frame; 3. an optical axis; 4. a code scale reading head; 5. a code scale; 6. an arcuate spring; 7. an L-shaped end cover; 8. a rigid connection; 9. an elastic shock pad; 1-1, a fixing plate main body; 1-2, polytetrafluoroethylene coating; 1-3, fixing plate reinforcing ribs; 1-4, cleaning a hairbrush fixing plate; 1-5, limiting bolt fixing holes; 1-6, bolt holes; 2-1, an optical axis mounting hole I; 7-1, an optical axis mounting hole II.
Detailed Description
The utility model will now be described in further detail by way of specific examples, which are given by way of illustration only and not by way of limitation, with reference to the accompanying drawings.
The flexible fixing device for the code scale reading head comprises a fixing plate 1, an outer fixing frame 2, an optical axis 3 and an L-shaped end cover 7, wherein the outer fixing frame is an integrally formed rectangular plate, the rectangular plate comprises a horizontal plate and a vertical plate formed by integrally bending one end of the horizontal plate downwards, a rigid connecting piece 8 used for fixing a telescopic chute is arranged on the horizontal plate, the rigid connecting piece is different according to different ship loader models, and an elastic shock pad 9 is also arranged between the rigid connecting piece and the horizontal plate of the outer fixing frame and used for reducing vibration conduction; an L-shaped end cover is also arranged on the horizontal panel at the opposite side of the vertical plate, and optical axes are symmetrically arranged between the vertical plate and the L-shaped end cover; the fixing plate comprises a fixing plate body 1-1, wherein the fixing plate body comprises a horizontal top plate and side plates formed by integrally and vertically bending down two ends of the horizontal top plate, a code scale reading head 4 is arranged at the lower part of the horizontal top plate, an elastic shock pad 9 is arranged between the horizontal top plate and the code scale reading head and used for reducing vibration conduction, C-shaped guide groove plates are symmetrically bent upwards at the other two ends of the horizontal top plate, and the C-shaped guide grooves of the C-shaped guide groove plates are used for being slidably arranged on an optical axis; realizing the horizontal displacement of the fixed plate along the optical axis.
The two opposite ends of the horizontal plane plate of the outer fixing frame are also integrally and vertically bent downwards to form a mounting plate, the horizontal plane plate is used for covering the C-shaped guide groove plate at the upper part of the fixing plate, the mounting plate is used for being connected with the C-shaped guide groove plate at the top end of the fixing plate through bolts, and the vertical plate and the L-shaped end cover of the outer fixing frame are respectively provided with an optical axis mounting hole I2-1 and an optical axis mounting hole II 7-1;
further, the optical axis, its both ends processing screw thread, one end is fixed through the first optical axis mounting hole on nut and the outer solid frame, and the other end is fixed through the second optical axis mounting hole on nut and the L type end cover, C type guide groove plate and optical axis slidable mounting realize fixed plate direction and sliding friction effect.
The vibration conduction is further reduced, bolt holes 1-6 are formed in the side plates on the two sides of the fixed plate body, two arc-shaped elastic pieces 6 are respectively arranged on the upper side and the lower side of the side plates through bolts, and the telescopic distance selection of the arc-shaped elastic pieces is determined according to the horizontal axial movement clearance between the on-site telescopic chute and the pitching arm support; at the moment, the outer fixed frame is connected with the telescopic slide tube, the fixed plate can move horizontally, flexible fixation of the code scale reading head is realized, and the code scale reading head is limited by the arc-shaped elastic sheet in two directions of horizontal movement, so that collision is avoided to damage the code scale reading head; further, one end of the arc-shaped elastic sheet is fixed on the side plate of the fixed plate by using a bolt, so that flexible limiting is realized.
Furthermore, the lower parts of the two sides of the side plate are symmetrically provided with cleaning brush fixing plates 1-4 which are used for installing anti-static brushes, and cleaning the surface of the coding ruler and cleaning the fixing plane of the coding ruler when the telescopic chute acts;
further, the fixed plate body is formed by integrally bending, in order to improve the strength of the fixed plate, fixed plate reinforcing ribs 1-3 are further arranged between the upper parts of two sides of the side plates and the horizontal top plate, and deformation of the fixed plate body is guaranteed not to affect the stability of the whole mechanism.
Further, limiting bolt fixing holes 1-5 are formed in the groove walls of the C-shaped guide groove plates above the fixing plates and are used for installing bolts to limit the moving distance of the optical axis in the vertical direction, so that the whole fixing mechanism is prevented from being unstable when the pitching arm frame of the ship loader is lifted completely, and the code scale reading head collides with the code scale.
Furthermore, a protective layer is arranged in the C-shaped guide groove of the C-shaped guide groove plate, the protective layer is a polytetrafluoroethylene layer 1-2, and polytetrafluoroethylene material has the characteristics of low friction, high mechanical toughness, high lubrication non-viscosity and the like, so that the service life and stability of the whole fixing device are improved, and the vibration conduction is further reduced;
furthermore, the external fixing frame disclosed by the utility model is subjected to round corner treatment completely, so that personnel scratch is prevented in the using process.
Further, the outer solid frame is integrated into one piece's right angle board, in order to improve the intensity of outer solid frame, still an organic whole system has the strengthening rib between mounting panel and the riser, guarantees that its deformation does not influence the stability of whole mechanism.
Furthermore, the second optical axis mounting hole for fixing the optical axis of the L-shaped end cover is a strip hole, so that the parallelism of the optical axis can be conveniently adjusted.
Furthermore, the rigid connecting piece provided by the utility model has the advantages that the mounting holes are strip holes, so that the mounting positions can be conveniently adjusted.
The fixing plate is a two-way bending workpiece, and the side plates of the fixing plate can be used as guard plates to prevent two sides of the code scale reading head from being damaged by scattered materials.
The fixing plate is combined with the outer fixing frame through the optical axis by utilizing the C-shaped guide groove plate above the fixing plate, and after the combination, the end, which is not closed by the outer fixing frame, of the fixing plate is closed by using the L-shaped end cover, so that the fixing plate is prevented from being separated from the optical axis guide range; the fixing plate can slide in a horizontal space formed by the outer fixing frame, the L-shaped end cover and the optical axis, so that the fixing plate has the function of horizontal displacement within a limited range;
the elastic shock pad realizes flexible limit protection, such as polyurethane, springs and hydraulic cylinders.
All adopt the bolt fastening under dust and explosion-proof environment, do not need welding operation, reduced the construction degree of difficulty, reduced the approval flow.
Other types of mechanisms may be used to effect cleaning of the code scale 5, such as compressed air, rotating brushes.
The installation process of the device comprises the following steps:
the optical axis is fixed inside the outer fixed frame, the encoder reading head is fixed below the fixed plate and then is positioned at the unsealed position of the outer fixed frame, the C-shaped guide groove plate at the top of the fixed plate is inserted into the outer fixed frame along the optical axis, the L-shaped end cover is fixed at one end of the opening of the outer fixed frame and the optical axis by using bolts. And fixing the brushes of the types required by the site and the arched elastic sheets on the cleaning brush fixing plate of the fixing plate. And fixing the rigid connecting piece and the elastic shock pad at the top end of the outer fixing frame, and assembling the flexible fixing device.
The using process of the device comprises the following steps:
before construction and installation, the flexible fixing device is brought to the site, namely, the installation site can be reliably fixed only by installing 2 bolts, the installation time is shortened, the installation difficulty is reduced, and the operation is simple and convenient.
Although the embodiments of the present utility model and the accompanying drawings have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, and therefore the scope of the utility model is not limited to the embodiments and the disclosure of the drawings.
Claims (10)
1. A flexible fixing device of a code scale reading head is characterized in that: the telescopic chute comprises a fixing plate, an outer fixing frame, an optical axis and an L-shaped end cover, wherein the outer fixing frame is an integrally formed right angle plate, the right angle plate comprises a horizontal plane plate and a vertical plate formed by integrally bending one end of the horizontal plane plate downwards, and a rigid connecting piece for fixing the telescopic chute is arranged on the horizontal plane plate; an L-shaped end cover is also arranged on the horizontal panel at the opposite side of the vertical plate, and optical axes are symmetrically arranged between the vertical plate and the L-shaped end cover; the fixing plate comprises a fixing plate body, the fixing plate body comprises a horizontal top plate and side plates formed by integrally and vertically bending downwards at two ends of the horizontal top plate, a code scale reading head is arranged at the lower part of the horizontal top plate, an elastic shock pad is arranged between the horizontal top plate and the code scale reading head, C-shaped guide groove plates are symmetrically bent upwards at the other two ends of the horizontal top plate, and the fixing plate is slidably arranged on an optical axis through C-shaped guide grooves of the C-shaped guide groove plates; realizing the horizontal displacement of the fixed plate along the optical axis.
2. A coded ruler readhead flexible fixation apparatus as claimed in claim 1 wherein: the two opposite ends of the horizontal plane plate are also integrally bent vertically downwards to form a mounting plate, the horizontal plane plate is used for being covered on a C-shaped guide groove plate at the upper part of the fixing plate, the mounting plate is used for being connected with a C-shaped guide groove plate at the top end of the fixing plate through bolts, and a first optical axis mounting hole and a second optical axis mounting hole are respectively formed in a vertical plate and an L-shaped end cover of the outer fixing frame; threads are machined at two ends of the optical axis, one end of the optical axis is fixed with the first optical axis mounting hole on the external fixing frame through a nut, and the other end of the optical axis is fixed with the second optical axis mounting hole on the L-shaped end cover through a nut.
3. A coded ruler readhead flexible fixation apparatus as claimed in claim 1 wherein: two arc-shaped elastic sheets are respectively arranged on the outer side surfaces of the side plates.
4. A coded ruler readhead flexible fixation apparatus as claimed in claim 1 wherein: the lower parts of two sides of the side plate are symmetrically provided with cleaning brush fixing plates which are used for installing anti-static brushes.
5. A coded ruler readhead flexible fixation apparatus as claimed in claim 1 wherein: the fixed plate body is formed by integrally bending, and fixed plate reinforcing ribs are further arranged between the upper parts of two sides of the side plates and the horizontal top plate.
6. A coded ruler readhead flexible fixation apparatus as claimed in claim 1 wherein: and a polytetrafluoroethylene layer is arranged in the C-shaped guide groove of the C-shaped guide groove plate.
7. A coded ruler readhead flexible fixation apparatus as claimed in claim 2 wherein: reinforcing ribs are integrally arranged between the mounting plate and the vertical plate.
8. A coded ruler readhead flexible fixation apparatus as claimed in claim 2 wherein: and the second optical axis mounting hole is a strip hole.
9. A coded ruler readhead flexible fixation apparatus as claimed in claim 1 wherein: an elastic shock pad is also arranged between the rigid connecting piece and the horizontal plane plate of the outer fixing frame.
10. A coded ruler readhead flexible fixation apparatus as claimed in claim 1 or 9 wherein: the elastic shock pad comprises a rubber pad, a polyurethane pad and a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320626111.8U CN220269064U (en) | 2023-03-27 | 2023-03-27 | Flexible fixing device for code scale reading head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320626111.8U CN220269064U (en) | 2023-03-27 | 2023-03-27 | Flexible fixing device for code scale reading head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220269064U true CN220269064U (en) | 2023-12-29 |
Family
ID=89310303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320626111.8U Active CN220269064U (en) | 2023-03-27 | 2023-03-27 | Flexible fixing device for code scale reading head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220269064U (en) |
-
2023
- 2023-03-27 CN CN202320626111.8U patent/CN220269064U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100339290C (en) | Crane assembly | |
| CN106741267A (en) | Curved surface operation climbing robot | |
| CN211662046U (en) | Rail-hanging type movement mechanism | |
| CN220269064U (en) | Flexible fixing device for code scale reading head | |
| CN113944073A (en) | Track detection trolley | |
| CN216237923U (en) | Track detection trolley | |
| CN214733898U (en) | Novel single-girder gantry crane | |
| CN219770979U (en) | Double-drive mechanism of belt inspection robot | |
| CN219798374U (en) | Code scale reading head fixing device | |
| CN2811216Y (en) | Roller emersion type goods sorting device | |
| CN113107303B (en) | Sliding plug door bearing driving mechanism | |
| CN210554837U (en) | Top cover structure and railway wagon with same | |
| CN2764686Y (en) | Bogie for maintenance of subway vehicle | |
| CN215971280U (en) | Sliding cover type theodolite vehicle | |
| CN210174868U (en) | Top cover structure and railway wagon with same | |
| CN205272023U (en) | A flipping robot for pressing from both sides get crashproof roof beam | |
| CN212195069U (en) | Heavy-load type omnidirectional driving wheel set | |
| CN212151505U (en) | Forklift driving wheel damping mechanism | |
| CN114634111A (en) | Gantry crane protection device | |
| CN209177441U (en) | Carrier vehicle elevator loading platform | |
| CN203998076U (en) | The continuous feeding, discharge device of a kind of leaf springs of car pay unit | |
| CN217097860U (en) | Self-adaptive clamping assembly for clamping guide rail and inspection robot system | |
| CN207402323U (en) | All standing formula Pneumatic slid platform | |
| CN219640838U (en) | Metal box detects tool | |
| CN207861130U (en) | A kind of shelf shuttle is automobile-used to change a layer machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |