CN210210041U - Derusting and shot blasting device for main beam plate of crane - Google Patents
Derusting and shot blasting device for main beam plate of crane Download PDFInfo
- Publication number
- CN210210041U CN210210041U CN201920801723.XU CN201920801723U CN210210041U CN 210210041 U CN210210041 U CN 210210041U CN 201920801723 U CN201920801723 U CN 201920801723U CN 210210041 U CN210210041 U CN 210210041U
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- main beam
- beam plate
- shot blasting
- trolley
- conveying
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Abstract
The utility model relates to a rust removing and shot blasting device for a main beam plate of a crane, which comprises a frame, a conveying mechanism and a shot blasting mechanism, wherein the conveying mechanism comprises a guide rail and a trolley; the upper end surface of the trolley is provided with a bracket for vertically placing the main beam plate, and the shot blasting mechanism comprises a cavity sleeved in the middle parts of the two guide rails; a channel for the trolley and a main beam plate on the trolley to enter and exit is arranged in the cavity along the extension direction of the track; spray heads are arranged on two inner side surfaces of the cavity, a collector is arranged on the bottom surface in the cavity, a conveying pipe and a spiral conveyor are arranged between the collector and the spray heads, one end of the conveying pipe is communicated with the spray heads, and the other end of the conveying pipe is communicated with the spiral conveyor; two ends of the spiral conveyor are respectively communicated with the collector and the conveying pipe; the spray head sprays steel shots to the two side surfaces of the main beam plate in a certain direction and speed, and iron rust on the surface of the main beam plate is quickly removed through the impact of the steel shots; thereby solve the problem that the rust cleaning efficiency is low on the surface of the crane girder plate in the prior art.
Description
Technical Field
The utility model relates to a rust cleaning of hoist main beam board throws ball device.
Background
The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, and is also called a crown block, a travelling crane and a crane. The crane mainly comprises a track, a bridge frame, an operation chamber, a hoisting mechanism and a traveling mechanism; the bridge mainly comprises end beams and main beams. The main beam has poor working environment, the surface of the main beam is easy to rust, and rust-proof treatment is needed, namely, protective paint is coated on the surface of the main beam. Before the surface of the main beam plate is coated with the protective paint, rust on the surface of the main beam plate needs to be removed; at present, the mode commonly adopted for derusting is manual grinding or grinding of the surface of a main beam plate by a grinding machine; the rust removal efficiency is low, and the surface of the main beam plate is easily cut in the polishing process.
SUMMERY OF THE UTILITY MODEL
In order to improve the surface rust removal efficiency of the main beam plate, the utility model provides a rust removal and shot blasting device for the main beam plate of a crane; in order to achieve the above object, the utility model adopts the following technical scheme:
a rust removal and shot blasting device for a main beam plate of a crane comprises a rack, a conveying mechanism and a shot blasting mechanism, wherein the conveying mechanism comprises two guide rails arranged on the rack in parallel and a trolley which runs on the guide rails and is used for conveying the main beam; the upper end surface of the trolley is provided with a bracket for vertically placing the main beam plate, and the shot blasting mechanism comprises a cavity sleeved in the middle parts of the two guide rails; a channel for the trolley and a main beam plate on the trolley to enter and exit is arranged in the cavity along the extension direction of the track; spray heads for spraying steel shots to the main beam plate are arranged on two inner side surfaces of the cavity, a collector for collecting the steel shots is arranged on the inner bottom surface of the cavity, a conveying pipe and a spiral conveyor for conveying the steel shots to the spray heads are arranged between the collector and the spray heads, one end of the conveying pipe is communicated with the spray heads, and the other end of the conveying pipe is communicated with the spiral conveyor; and two ends of the spiral conveyor are respectively communicated with the collector and the conveying pipe.
The utility model discloses a crane main beam board rust cleaning shot blast apparatus's beneficial effect: the shot blasting mechanism is arranged on the trolley advancing guide rail for conveying the main beam plate of the crane, when the main beam plate passes through the shot blasting mechanism, the spray head sprays steel shots to the surface of the main beam plate in a certain direction and at a certain speed, the steel shots collide with the surface of the main beam plate, so that the iron rust on the surface of the main beam plate is separated, and the iron rust on the surface of the main beam plate is removed; the rust removal efficiency of the surface of the main beam plate is improved; a conveying pipe and a spiral conveyor are arranged between the collector and the spray head to form a closed cycle, so that the recycling of the steel shots is realized, and the using amount of the steel shots is reduced; thereby solve the problem that the rust cleaning efficiency is low on the surface of the crane girder plate in the prior art.
Furthermore, the number of the spray heads is at least 4, the spray heads are uniformly arranged on the two inner side surfaces at intervals, and the direction of the steel shots sprayed by the spray heads is over against the side surfaces of the main beam plate.
Has the advantages that: the two side surfaces of the main beam plate are simultaneously derusted by arranging the plurality of spray heads which are uniformly arranged at intervals on the two inner side surfaces of the cavity, so that the derusting efficiency is improved; the direction of the steel shot sprayed out by the spray head is over against the side face of the main beam plate, so that the impact force of the steel shot on the side face of the main beam plate is improved, the rust removal is facilitated, the side face of the main beam plate is enabled to have impact marks, and the adhesive force of the antirust paint coated on the side face of the main beam plate is improved.
Furthermore, elastic layers are arranged on the two ends of the channel in the circumferential direction, and are tightly attached to the surfaces of the main beam plate and the trolley when shot blasting is carried out.
Has the advantages that: through set up the elastic layer in the circumference at passageway both ends, when carrying out the shot blasting operation, the girder plate and dolly surface are hugged closely to the elastic layer, prevent that the shot from jumping out from the passageway both ends, reduce the loss of shot.
Furthermore, the collector is a bottom plate with one end connected to the bottom of the inner side wall of the chamber and inclined towards the center, and a through hole for steel shots to flow into the spiral conveyor is formed in the center of the bottom plate.
Has the advantages that: the bottom plate of the chamber is set into the collector, the structure is simple, and the collecting effect is good.
Furthermore, a distribution pipe used for distributing steel shots to the spray heads is arranged between the spray heads and the conveying pipe, and the inner diameter of the distribution pipe is smaller than that of the conveying pipe.
Has the advantages that: the distribution pipe is arranged between the spray head and the conveying pipe, so that the quantity of the steel shots entering the spray head is effectively controlled, and the steel shots of each spray head are uniformly sprayed out.
Furthermore, the crane girder plate rust removal shot blasting device further comprises a dust removal system, the dust removal system is communicated with the shot blasting mechanism, and a communication port of the dust removal system and the shot blasting mechanism is formed in the side face of the chamber.
Has the advantages that: through setting up dust pelletizing system, collect the dust that produces in the crane main beam board rust cleaning shot-blasting device working process, reduce the emission of dust in to the air, be favorable to environmental protection.
Further, dust pelletizing system includes fan, tuber pipe, dust bag and dust removal filter core, the tuber pipe presents L shape, and the tuber pipe includes horizontal segment and vertical section, the port of horizontal segment with the cavity intercommunication, the port of vertical section is the same with the external world, and the fan setting is in the tuber pipe horizontal segment, dust bag and dust removal filter core set gradually in the vertical section of tuber pipe.
Has the advantages that: the dust removal system comprises a fan, an air pipe, a dust removal bag and a dust removal filter element, the dust removal system is simple in structure and low in production cost, one end, close to the cavity, of the air pipe generates negative pressure when the fan works, air with dust in the cavity is sucked into the air pipe, and clean air is discharged into the air through the dust removal effect of the dust removal bag and the dust removal filter element.
Drawings
FIG. 1 is a perspective view of an embodiment of a rust removing and shot blasting device for a main beam plate of a crane of the present invention;
FIG. 2 is a front view of an embodiment of the rust removing and shot blasting device for the main beam plate of the crane of the utility model;
FIG. 3 is a cross-sectional view of a shot blasting mechanism of an embodiment of the crane main beam plate rust removing shot blasting device of the utility model;
fig. 4 is a cross-sectional view of an embodiment dust removal system of the crane main beam plate rust removing and shot blasting device of the utility model.
Reference numbers in the figures: 1-frame, 2-conveying mechanism, 21-guide rail, 22-trolley, 23-support, 3-shot blasting mechanism, 31-chamber, 32-spray head, 33-collector, 34-filter screen, 35-screw conveyor, 36-conveying pipe, 37-distributing pipe, 38-elastic layer, 4-dedusting system, 41-air pipe, 42-fan, 43-dedusting bag, 44-dedusting filter core, 45-dust collecting pipe, 46-dust discharging port and 5-main beam plate.
Detailed Description
The concrete structure of the embodiment of the crane main beam plate rust removal and shot blasting device of the utility model is shown in fig. 1 and fig. 2, and comprises a frame 1, a conveying mechanism 2, a shot blasting mechanism 3 and a dust removal system 4; the conveying structure is arranged on the frame 1, the shot blasting mechanism 3 is sleeved on the conveying mechanism 2, and the dust removing system 4 is communicated with the shot blasting mechanism 3; through the concrete structure of reasonable setting rust cleaning shot blast apparatus, when improving the efficiency of derusting crane main beam plate 5, reduce dust content in the exhaust gas, be favorable to environmental protection.
The conveying mechanism 2 comprises two guide rails 21 arranged on the frame 1 in parallel and a trolley 22 walking on the guide rails 21 and used for conveying the main beam plate 5 of the jack, and a bracket 23 enabling the main beam plate 5 to be vertically placed is arranged on the upper end face of the trolley 22; the upper end face of the guide rail 21 is provided with a boss extending along the length direction of the guide rail 21, the circumferential side face of the wheel of the trolley 22 is provided with a groove matched with the boss, and the trolley 22 is driven by a motor arranged in the trolley 22, so that the trolley 22 travels back and forth on the guide rail 21.
The specific structure of the shot blasting mechanism is shown in fig. 3, the shot blasting mechanism 3 comprises a chamber 31 sleeved in the middle of two guide rails 21, and a channel for the trolley 22 and the main beam plate 5 on the trolley 22 to enter and exit is formed in the chamber 31 along the extension direction of the guide rails 21; in the embodiment, elastic layers 38 used for being tightly attached to the surfaces of the entering trolley 22 and the main beam plate 5 are arranged on the circumferential direction of the two ends of the channel; when the shot blasting mechanism 3 works, the elastic layer 38 is tightly attached to the surfaces of the trolley 22 and the main beam plate 5, so that steel shots impacting the surface of the main beam plate 5 are prevented from jumping out of the two ends of the channel, and the loss of the steel shots is reduced; in other embodiments, it is of course possible to dispense with the elastic layer 38, or to provide a curtain having a certain rigidity and elasticity in place of the elastic layer 38. Spray heads 32 for spraying steel shots to the main beam plate 5 are arranged on two inner side surfaces of the cavity 31, at least 4 spray heads 32 are arranged on the two inner side surfaces of the cavity 31, and at least 2 collision heads are uniformly arranged on each side surface of the two inner side surfaces at intervals; the two side surfaces of the main beam plate 5 are simultaneously derusted, and the derusting efficiency is improved; the direction of the steel shot sprayed out by the spray head 32 is over against the side surface of the main beam plate 5; the impact force of the steel shot to the side face of the main beam plate 5 is improved, rust removal is facilitated, impact marks appear on the side face of the main beam plate 5, and the adhesive force of the anti-rust paint coated on the side face of the main beam plate 5 is improved. In the embodiment, the number of the spray heads 32 is 6, and 3 spray heads are uniformly arranged on the inner side surface of each side at intervals; the structure of the spray head 32 is the same as that of the spray head 32 used in a common shot blasting machine, and steel shots are thrown out along a tangent line through the roller. A collector 33 for collecting the steel shots is arranged on the inner bottom surface of the chamber 31, in the embodiment, the collector 33 is a bottom plate with one end connected to the bottom of the inner side wall of the chamber 31 and inclined towards the center, and the center of the bottom plate is provided with a through hole for the steel shots to flow into the screw conveyor 35; the bottom plate of the chamber 31 is set as the collector 33, and the device has the characteristics of simple structure and good collecting effect. A conveying pipe 36 and a screw conveyor 35 for conveying the steel shots to the spray head 32 are arranged between the collector 33 and the spray head 32, one end of the conveying pipe 36 is communicated with the spray head 32, and the other end of the conveying pipe is communicated with the screw conveyor 35; the two ends of the screw conveyor 35 are respectively communicated with the collector 33 and the conveying pipe 36; a small-sized filter sieve 34 is arranged below the through hole of the collector 33, the diameter of the sieve hole of the filter sieve 34 is larger than that of the steel shot, and the sieve body of the filter sieve 34 is obliquely arranged; the steel shots collected by the collector 33 are screened by the filter screen 34 and then enter the screw conveyor 35, so that the large-sized rust blocks mixed in the steel shots are removed. In the utility model, a distribution pipe 37 used for distributing steel shots to the spray head 32 is arranged between the spray head 32 and the conveying pipe 36, and the inner diameter of the distribution pipe 37 is smaller than that of the conveying pipe 36; the amount of the steel shot entering the spray heads 32 is effectively controlled, thereby enabling uniform ejection of the steel shot from each spray head 32.
The crane main beam plate rust removal and shot blasting device further comprises a dust removal system 4, the specific structure of the dust removal system is shown in fig. 4, the dust removal system 4 is communicated with the shot blasting mechanism 3, and a communication port of the dust removal system 4 and the shot blasting mechanism 3 is formed in the side face of the chamber 31; in this embodiment, the dust removing system 4 includes a blower 42, an air duct 41, a dust removing bag 43 and a dust removing filter element 44, the air duct 41 is L-shaped, the air duct 41 includes a horizontal section and a vertical section, a port of the horizontal section is communicated with the chamber 31, a port of the vertical section is the same as the outside, the blower 42 is disposed in the horizontal section of the air duct 41, and the dust removing bag 43 and the dust removing filter element 44 are sequentially disposed in the vertical section of the air duct 41; a dust collecting pipe 45 and a dust discharging port 46 are arranged at the joint of the vertical section and the horizontal section; the dust removal system 4 in the embodiment has the characteristics of simple structure and low production cost; when the fan 42 works, a negative pressure is generated at one end of the air pipe 41 close to the chamber 31, the air with dust in the chamber 31 is sucked into the air pipe 41, and clean air is discharged into the air through the dust removal action of the dust removal bag 43 and the dust removal filter element 44. In other embodiments, existing dust extraction structures may of course be used instead of the present dust extraction system 4.
The utility model discloses a crane girder plate rust cleaning shot blast apparatus's use: the main beam plate 5 is hung in a bracket 23 of the trolley 22 by using a travelling crane, so that the main beam plate 5 is vertically placed; starting the trolley 22, conveying the main beam plate 5 to the chamber 31 by the trolley 22, starting the shot blasting mechanism 3, spraying steel shots to two side surfaces of the main beam plate 5 by the spray head 32 while the trolley 22 is walking, impacting the surface of the main beam plate 5 by the steel shots to separate rust of the main beam plate 5, and finishing the rust removal treatment on the main beam plate 5 after the trolley 22 completely goes out of the chamber 31; the girder 5 is lifted off the bracket 23.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A rust removal and shot blasting device for a main beam plate of a crane is characterized by comprising a frame, a conveying mechanism and a shot blasting mechanism, wherein the conveying mechanism comprises two guide rails arranged on the frame in parallel and a trolley which runs on the guide rails and is used for conveying the main beam; the upper end surface of the trolley is provided with a bracket for vertically placing the main beam plate, and the shot blasting mechanism comprises a cavity sleeved in the middle parts of the two guide rails; a channel for the trolley and a main beam plate on the trolley to enter and exit is formed in the cavity along the extending direction of the guide rail; spray heads for spraying steel shots to the main beam plate are arranged on two inner side surfaces of the cavity, a collector for collecting the steel shots is arranged on the inner bottom surface of the cavity, a conveying pipe and a spiral conveyor for conveying the steel shots to the spray heads are arranged between the collector and the spray heads, one end of the conveying pipe is communicated with the spray heads, and the other end of the conveying pipe is communicated with the spiral conveyor; and two ends of the spiral conveyor are respectively communicated with the collector and the conveying pipe.
2. The derusting and shot blasting device for the main beam plate of the crane according to claim 1, wherein at least 4 nozzles are uniformly arranged on the two inner side surfaces at intervals, and the direction of steel shots sprayed by the nozzles is opposite to the side surfaces of the main beam plate.
3. The derusting and shot blasting device for the main beam plate of the crane according to claim 1 or 2, wherein elastic layers are arranged on the two ends of the channel in the circumferential direction, and the elastic layers are tightly attached to the surfaces of the main beam plate and the trolley during shot blasting.
4. The derusting and shot blasting device for the main beam plate of the crane according to claim 1, wherein the collector is a bottom plate with one end connected to the bottom of the inner side wall of the chamber and inclined towards the center, and a through hole for allowing steel shots to flow into the screw conveyor is formed in the center of the bottom plate.
5. The derusting and shot blasting device for the crane main beam plate as recited in claim 4, wherein a distribution pipe for distributing steel shots to the spray head is arranged between the spray head and the delivery pipe, and the inner diameter of the distribution pipe is smaller than that of the delivery pipe.
6. The derusting and shot-blasting device for the crane main beam plate as recited in claim 1, further comprising a dust removal system, wherein the dust removal system is communicated with the shot-blasting mechanism, and a communication port of the dust removal system and the shot-blasting mechanism is formed in a side surface of the chamber.
7. The derusting and shot-blasting device for the main beam plate of the crane according to claim 6, wherein the dust removing system comprises a fan, an air pipe, a dust removing bag and a dust removing filter element, the air pipe is L-shaped, the air pipe comprises a horizontal section and a vertical section, the port of the horizontal section is communicated with the cavity, the port of the vertical section is the same as the outside, the fan is arranged in the horizontal section of the air pipe, and the dust removing bag and the dust removing filter element are sequentially arranged in the vertical section of the air pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920801723.XU CN210210041U (en) | 2019-05-30 | 2019-05-30 | Derusting and shot blasting device for main beam plate of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920801723.XU CN210210041U (en) | 2019-05-30 | 2019-05-30 | Derusting and shot blasting device for main beam plate of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210210041U true CN210210041U (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920801723.XU Expired - Fee Related CN210210041U (en) | 2019-05-30 | 2019-05-30 | Derusting and shot blasting device for main beam plate of crane |
Country Status (1)
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| CN (1) | CN210210041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115519481A (en) * | 2022-10-17 | 2022-12-27 | 江苏英达机械有限公司 | A sandblasting room mechanism that can remove rust from multiple angles |
-
2019
- 2019-05-30 CN CN201920801723.XU patent/CN210210041U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115519481A (en) * | 2022-10-17 | 2022-12-27 | 江苏英达机械有限公司 | A sandblasting room mechanism that can remove rust from multiple angles |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 |