CN214456273U - Splayed crown block rail changing mechanism for double-hook shot blasting machine - Google Patents
Splayed crown block rail changing mechanism for double-hook shot blasting machine Download PDFInfo
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- CN214456273U CN214456273U CN202023229117.7U CN202023229117U CN214456273U CN 214456273 U CN214456273 U CN 214456273U CN 202023229117 U CN202023229117 U CN 202023229117U CN 214456273 U CN214456273 U CN 214456273U
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- guide rail
- splayed
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Abstract
The utility model relates to a splayed crown block rail changing mechanism for a double-hook shot blasting machine, which comprises a portal frame, wherein a straight guide rail is arranged on the portal frame and positioned outside a shot blasting chamber, a first arc guide rail and a second arc guide rail are arranged on one side of the straight guide rail, which is far away from the shot blasting chamber, on the portal frame, the first arc guide rail and the second arc guide rail are symmetrically arranged on two sides of the straight guide rail, and a first splayed rail and a second splayed rail are arranged between the straight guide rail and the first arc guide rail as well as between the straight guide rail and the second arc guide rail; the first splayed rail is connected with the first arc guide rail and the straight guide rail to form a continuous guide rail, and the second splayed rail is connected with the second arc guide rail and the straight guide rail to form another continuous guide rail; the portal frame is provided with a rail replacing mechanism which drives the first splayed rail and the second splayed rail to reciprocate and realizes the butt joint of the first splayed rail, the first arc guide rail and the straight guide rail and the butt joint of the second splayed rail, the second arc guide rail and the straight guide rail. This application has and makes two electric block be difficult for bumping at the operation in-process, and the security obtains the effect that improves.
Description
Technical Field
The application relates to the field of shot blasting machines, in particular to a splayed crown block rail replacing mechanism for a double-hook shot blasting machine.
Background
In the series of products of the lifting hook type shot blasting machine, in order to improve the working efficiency, the shot blasting machine adopting double lifting hooks is generally designed, namely, one lifting hook hooks a workpiece to perform shot blasting treatment inside a shot blasting chamber, and the other lifting hook alternately operates on the upper part and the lower part outside the shot blasting chamber. The double-hook shot blasting machine needs to utilize a suspension type crane to send a workpiece into a shot blasting chamber for shot blasting treatment, and two tracks arranged on the suspension type crane are in a herringbone shape.
Suspension type crane track is the "people" font structure that utilizes two channel-section steels to constitute, the opening of two channel-section steels sets up back to the back mutually, two electric block move in turn on respective track respectively, an electric block utilizes the lifting hook to hook the work piece and moves on the track promptly, send into the work piece and throw the ball processing in the shot-blasting chamber, another electric block then carries out the material loading and does the preparation process outside the shot-blasting chamber, after the electric block that is located shot-blasting chamber inside carries the work piece that the ball was handled and comes out from the shot-blasting chamber, another electric block carries the work piece that does not throw the ball processing and gets into in the shot-blasting chamber, accomplish an operation in turn.
In view of the above-mentioned related technologies, the inventor thinks that two electric hoists enter the shot blasting chamber one by one, and when the electric hoists run on the track of the straight section part, collision is easy to occur, and the safety is low.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem that two electric block easily bump when moving on the track, the security is low, this application provides a splayed overhead traveling crane rail change mechanism for double-hook shot-blasting machine.
The application provides a pair of splayed overhead traveling crane rail change mechanism for double-hook shot-blasting machine adopts following technical scheme:
a splayed crown block rail changing mechanism for a double-hook shot blasting machine comprises a portal frame, wherein a straight guide rail is arranged on the portal frame and positioned outside a shot blasting chamber, a first arc guide rail and a second arc guide rail are arranged on one side, away from the shot blasting chamber, of the straight guide rail on the portal frame, the first arc guide rail and the second arc guide rail are symmetrically arranged on two sides of the straight guide rail, and a first splayed rail and a second splayed rail are arranged between the straight guide rail and the first arc guide rail as well as between the straight guide rail and the second arc guide rail;
the first splayed rail is arranged corresponding to the first arc guide rail, the first splayed rail is connected with the first arc guide rail and the straight guide rail to form a continuous guide rail, the second splayed rail is arranged corresponding to the second arc guide rail, and the second splayed rail is connected with the second arc guide rail and the straight guide rail to form another continuous guide rail;
and the portal frame is provided with a rail replacing mechanism for driving the first splayed rail and the second splayed rail to reciprocate so as to realize the butt joint of the first splayed rail and the first arc guide rail and the straight guide rail and the butt joint of the second splayed rail and the second arc guide rail and the straight guide rail.
By adopting the technical scheme, when the shot blasting machine works, the electric hoists are respectively arranged on the first arc guide rail and the second arc guide rail, the first electric hoist is arranged on the first arc guide rail, the second electric hoist is arranged on the second arc guide rail, the lifting hooks are respectively hung on the two electric hoists, a worker firstly hooks a workpiece on the lifting hook below the first electric hoist, then the first splayed rail is driven by the rail changing mechanism to be in butt joint with the first arc guide rail and the straight guide rail to form a continuous guide rail, at the moment, the first electric hoist carries the workpiece to run on the guide rail, and the workpiece is sent into the inside of the shot blasting chamber to be subjected to shot blasting treatment; in the process, the worker hooks the workpiece on the lifting hook below the second electric hoist to prepare the preparation process.
After the first electric hoist carries the workpiece subjected to shot blasting treatment to come out of the shot blasting chamber and move to the first arc guide rail, driving the second splayed rail to be butted with the second arc guide rail and the straight guide rail through the rail changing mechanism to form another continuous guide rail, derailing the first splayed rail with the first arc guide rail and the straight guide rail, carrying the workpiece by the second electric hoist to move on the guide rail, and sending the workpiece into the shot blasting chamber for shot blasting treatment; in the process, the worker unloads the workpiece on the lifting hook below the first electric hoist and hooks a new workpiece to prepare the preparation process.
So two electric block alternate operation realize the high-efficient shot-blasting of work piece and handle. And the first splayed rail is in butt joint with the first arc guide rail and the straight guide rail through the rail changing mechanism, and the second splayed rail is in butt joint with the second arc guide rail and the straight guide rail to form two non-interfering guide rails for the two electric hoists to independently operate, so that the two electric hoists are not easy to collide in the operation process, and the safety is improved.
Optionally, the rail replacing mechanism comprises a rail replacing vehicle, the rail replacing vehicle is connected to the portal frame in a sliding mode along the moving direction of the first splayed rail and the second splayed rail, the first splayed rail and the second splayed rail are arranged on the rail replacing vehicle, and a driving assembly for driving the rail replacing vehicle to move back and forth is arranged on the portal frame.
Through adopting above-mentioned technical scheme, drive assembly drive rail replacing vehicle reciprocating motion on the portal frame, rail replacing vehicle carries first eight characters rail and second eight characters rail reciprocating motion, realizes first eight characters rail and first arc guide rail and straight guide rail butt joint to and second eight characters rail and second arc guide rail and straight guide rail butt joint.
Optionally, the driving assembly comprises an air cylinder, a body of the air cylinder is hinged to the portal frame, and a piston rod of the air cylinder is hinged to the rail replacing vehicle.
By adopting the technical scheme, in the operation process of the air cylinder, the piston rod of the air cylinder stretches and retracts in a reciprocating mode to drive the rail replacing vehicle to move on the portal frame in a reciprocating mode, the rail replacing vehicle carries the first splayed rail and the second splayed rail to move in a reciprocating mode, the first splayed rail is in butt joint with the first arc guide rail and the straight guide rail, and the second splayed rail is in butt joint with the second arc guide rail and the straight guide rail.
Optionally, the portal frame is formed by assembling all I-steel, the I-steel openings on two sides of the rail replacing vehicle are set as rail grooves, and rollers embedded in the rail grooves are mounted on the rail replacing vehicle.
Through adopting above-mentioned technical scheme, the gyro wheel moves safely and stably in the rail groove to make the rail replacement car can reciprocate to slide safely and stably on the portal frame.
Optionally, an angle plate is arranged at a corner of the rail replacing vehicle, a guide wheel is mounted on the angle plate, and the guide wheel is abutted to the portal frame.
Through adopting above-mentioned technical scheme, the leading wheel that sets up is used for leading to the rail replacement car for rail replacement car reciprocating motion can be stabilized, reduces the possibility of rail replacement car off tracking in the operation.
Optionally, a limiting plate is arranged on the portal frame at the middle position between the first arc guide rail and the second arc guide rail, and limiting assemblies for controlling the moving stroke of the rail replacing vehicle are arranged on the rail replacing vehicle at two sides of the limiting plate;
when the limiting assembly on one side of the first splayed rail is abutted to one side of the limiting plate, the first splayed rail is abutted to the first arc guide rail and the straight guide rail, and when the limiting assembly on one side of the second splayed rail is abutted to the other side of the limiting plate, the second splayed rail is abutted to the second arc guide rail and the straight guide rail.
Through adopting above-mentioned technical scheme, the cooperation of limiting plate and two spacing subassemblies is used for controlling the removal stroke of living rail replacement car for first eight characters rail and first arc guide rail and straight guide rail, and second eight characters rail and second arc guide rail and straight guide rail accurate butt joint.
Optionally, the limiting assembly comprises a limiting screw abutted with the limiting plate, a fixing plate is arranged on the rail replacing vehicle, the limiting screw penetrates through the fixing plate and is in threaded connection with the fixing plate, and a fastening nut abutted against the fixing plate is in threaded connection with a position, close to the limiting plate, on the limiting screw.
By adopting the technical scheme, the fastening nut is used for limiting the looseness of the limiting screw rod so as to reduce the possibility of displacement when the limiting screw rod impacts the limiting plate; contradict in the limiting plate through stop screw, the removal stroke of control rail replacing car that can be fine for first eight characters rail and first arc guide rail and straight guide rail, and second eight characters rail and second arc guide rail and straight guide rail accurate butt joint.
Optionally, a safety baffle is arranged between the first splayed rail and the second splayed rail on the rail replacing vehicle;
when the first splayed rail is in butt joint with the first arc guide rail and the straight guide rail, the safety baffle blocks the second arc guide rail; when the second splayed rail is in butt joint with the second arc guide rail and the straight guide rail, the safety baffle blocks the first arc guide rail.
Through adopting above-mentioned technical scheme, safety shield follows the rail replacement car and removes for block the export of first arc guide rail and second arc guide rail in turn, in order to avoid one of them electric block to carry the work piece operation in-process, another electric block drops from the guide rail because of carrying the work piece out of control.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first splayed rail is in butt joint with the first arc guide rail and the straight guide rail through the rail changing mechanism, and the second splayed rail is in butt joint with the second arc guide rail and the straight guide rail to form two non-interfering guide rails for the two electric hoists to independently operate, so that the two electric hoists are not easy to collide in the operation process, and the safety is improved;
2. the guide wheels are used for guiding the rail replacing vehicle, so that the rail replacing vehicle can stably reciprocate, and the possibility of deviation of the rail replacing vehicle in the running process is reduced;
3. the safety baffle moves along with the rail replacing vehicle and is used for blocking outlets of the first arc guide rail and the second arc guide rail in turn so as to prevent one electric hoist from carrying a workpiece in the operation process and prevent the other electric hoist from carrying the workpiece out of control and dropping from the guide rails.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic structural diagram for embodying the rail replacing vehicle according to the embodiment of the present application.
Reference numerals: 1. a gantry; 2. a straight guide rail; 3. a first splayed rail; 4. a second splay rail; 5. a first arc guide rail; 6. a second arc guide rail; 7. replacing the rail vehicle; 71. a roller; 8. a cylinder; 9. a rail groove; 10. a gusset; 11. a guide wheel; 12. a limiting plate; 13. a limit screw; 14. a fixing plate; 15. fastening a nut; 16. safety shield.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses splayed overhead traveling crane rail change mechanism for double-hook shot blasting machine. Referring to fig. 1, splayed overhead traveling crane rail changing mechanism for double-hook shot blasting machine includes portal frame 1, and portal frame 1 comprises a plurality of I-steel equipment, and the outside that lies in the shot-blasting room import on portal frame 1 is provided with straight guide rail 2, and the one side that lies in straight guide rail 2 and keep away from the shot-blasting room on portal frame 1 is provided with first arc guide rail 5 and second arc guide rail 6, and first arc guide rail 5 and second arc guide rail 6 set up along straight guide rail 2 bilateral symmetry.
Referring to fig. 1, a first splayed rail 3 and a second splayed rail 4 are arranged between a straight guide rail 2 and a first arc guide rail 5 and a second arc guide rail 6, the first splayed rail 3 is arranged corresponding to the first arc guide rail 5, the first splayed rail 3 can be butted with the first arc guide rail 5 and the straight guide rail 2 to form a continuous guide rail, the second splayed rail 4 is arranged corresponding to the second arc guide rail 6, and the second splayed rail 4 can be butted with the second arc guide rail 6 and the straight guide rail 2 to form another continuous guide rail. And the straight guide rail 2, the first splayed rail 3, the second splayed rail 4, the first arc guide rail 5 and the second arc guide rail 6 are all made of I-steel.
Referring to fig. 1, a track-changing mechanism for driving a first splayed track 3 and a second splayed track 4 to reciprocate is arranged on a portal frame 1, and the first splayed track 3 is in butt joint with a first arc guide rail 5 and a straight guide rail 2, and the second splayed track 4 is in butt joint with a second arc guide rail 6 and the straight guide rail 2 through the track-changing mechanism.
Referring to fig. 1 and 2, the rail replacing mechanism comprises a rail replacing vehicle 7, a first splayed rail 3 and a second splayed rail 4 are symmetrically fixed on two sides of the length direction of the bottom of the rail replacing vehicle 7, two rollers 71 are respectively installed on two sides of the width direction of the rail replacing vehicle 7, the four rollers 71 are respectively located at four corners of the rail replacing vehicle 7, an i-steel opening used by a portal frame 1 located on two sides of the width direction of the rail replacing vehicle 7 is set as a rail groove 9, and the rollers 71 on two sides of the rail replacing vehicle 7 are embedded in the rail grooves 9 on the corresponding sides, so that the rail replacing vehicle 7 can stably slide on the portal frame 1 along the rail replacing directions of the first splayed rail 3 and the second splayed rail 4. In addition, a cylinder 8 is arranged on one side of the rail replacing trolley 7 in the length direction, the body of the cylinder 8 is hinged to the portal frame 1, and a piston rod of the cylinder 8 is hinged to the rail replacing trolley 7, so that the rail replacing trolley 7 can be driven to reciprocate on the portal frame 1 through the cylinder 8.
Referring to fig. 1, a first electric hoist is installed on a first arc guide rail 5, a second electric hoist is installed on a second arc guide rail 6, lifting hooks are hung below the two electric hoists, when the shot blasting machine works, a worker firstly hooks a workpiece on the lifting hook below the first electric hoist, and then drives a rail replacing vehicle 7 to move through an air cylinder 8, so that a first splayed rail 3 is butted with the first arc guide rail 5 and a straight guide rail 2 to form a continuous guide rail, and at the moment, the first electric hoist carries the workpiece to run on the guide rail and sends the workpiece into a shot blasting chamber for shot blasting treatment; in the process, the worker hooks the workpiece on the lifting hook below the second electric hoist to prepare the preparation process.
After the first electric hoist carries the workpiece subjected to shot blasting treatment to come out of the shot blasting chamber and move to the first arc guide rail 5, the rail replacing vehicle 7 is driven to move again through the air cylinder 8, so that the second splayed rail 4 is in butt joint with the second arc guide rail 6 and the straight guide rail 2 to form another continuous guide rail, the first splayed rail 3 is derailed from the first arc guide rail 5 and the straight guide rail 2, then the second electric hoist carries the workpiece to move on the guide rail, and the workpiece is sent into the shot blasting chamber to be subjected to shot blasting treatment; in the process, the worker unloads the workpiece on the lifting hook below the first electric hoist and hooks a new workpiece to prepare the preparation process.
So two electric block alternate operation realize the high-efficient shot-blasting of work piece and handle. And realize first eight characters rail 3 and first arc guide rail 5 and straight guide rail 2 butt joint, second eight characters rail 4 and second arc guide rail 6 and straight guide rail 2 butt joint through trade rail mechanism, form two guide rails that do not interfere with each other and supply two electric block to move alone to make two electric block be difficult for bumping in the operation, the security obtains improving.
Referring to fig. 1 and 2, corner plates 10 are arranged at four corners of the top of the rail replacing trolley 7, gaps are formed between the corner plates 10 and the portal frame 1, guide wheels 11 are mounted on the four corner plates 10, the guide wheels 11 are abutted to the portal frame 1, and the rail replacing trolley 7 can be guided through the guide wheels 11, so that the rail replacing trolley 7 can stably reciprocate, and the possibility of deviation of the rail replacing trolley 7 in the operation process is reduced.
Referring to fig. 1 and 2, in addition, a limiting plate 12 is fixed at the middle position of the top of the portal frame 1 located on the first arc guide rail 5 and the second arc guide rail 6, the limiting plate 12 is made of channel steel, the opening of the limiting plate 12 is upward and partially extends to the top of the rail replacing car 7, a limiting component for controlling the moving stroke of the rail replacing car 7 is arranged on two sides of the limiting plate 12 at the top of the rail replacing car 7, the limiting component comprises a limiting screw 13, a fixing plate 14 is fixed at the top of the rail replacing car 7, the limiting screw 13 penetrates through the fixing plate 14 and is in threaded connection with the fixing plate 14, a fastening nut 15 is in threaded connection on the limiting screw 13, the fastening nut 15 is located on one side of the limiting screw 13 close to the limiting plate 12, and the fastening nut 15 abuts on the fixing plate 14 and is used for limiting the looseness of the limiting screw 13 and displacement.
Referring to fig. 1 and 2, when the limit screw 13 located at one side of the first splayed rail 3 abuts against one side of the limit plate 12, the first splayed rail 3 abuts against the first arc guide rail 5 and the straight guide rail 2, and when the limit screw 13 located at one side of the second splayed rail 4 abuts against the other side of the limit plate 12, the second splayed rail 4 abuts against the second arc guide rail 6 and the straight guide rail 2. The moving stroke of the rail replacing vehicle 7 can be well controlled by matching the limiting plate 12 with the two limiting screws 13, so that the first splayed rail 3 is accurately butted with the first arc guide rail 5 and the straight guide rail 2, and the second splayed rail 4 is accurately butted with the second arc guide rail 6 and the straight guide rail 2, and two continuous guide rails which are used alternately are formed.
Referring to fig. 1 and 2, a safety baffle 16 is fixed at one side of the bottom of the rail replacing vehicle 7 facing the first arc guide rail 5 and the second arc guide rail 6, the safety baffle 16 is located at the middle position of the first splayed rail 3 and the second splayed rail 4, the safety baffle 16 is driven to reciprocate in the reciprocating motion process of the rail replacing vehicle 7, and when the first splayed rail 3 is butted with the first arc guide rail 5 and the straight guide rail 2, the safety baffle 16 blocks the outlet of the second arc guide rail 6, so that the possibility that an electric hoist on the second arc guide rail 6 falls off from the second arc guide rail 6 due to out-of-control in the running process of the electric hoist on the first arc guide rail 5 is reduced; when the second splayed rail 4 is butted with the second arc guide rail 6 and the straight guide rail 2, the safety baffle 16 blocks the outlet of the first arc guide rail 5, so that the possibility that the electric block on the first arc guide rail 5 falls off from the first arc guide rail 5 due to out-of-control in the running process of the electric block on the second arc guide rail 6 is reduced.
The implementation principle of splayed crown block rail-changing mechanism for double-hook shot blasting machine in the embodiment of the application is as follows: a first electric hoist is arranged on the first arc guide rail 5, a second electric hoist is arranged on the second arc guide rail 6, lifting hooks are hung below the two electric hoists, when the shot blasting machine works, a worker hooks a workpiece on the lifting hook below the first electric hoist at first, then the rail replacing vehicle 7 is driven to move through the air cylinder 8, so that the first splayed rail 3 is butted with the first arc guide rail 5 and the straight guide rail 2 to form a continuous guide rail, and at the moment, the first electric hoist carries the workpiece to run on the guide rail and sends the workpiece into a shot blasting chamber for shot blasting treatment; in the process, the worker hooks the workpiece on the lifting hook below the second electric hoist to prepare the preparation process.
After the first electric hoist carries the workpiece subjected to shot blasting treatment to come out of the shot blasting chamber and move to the first arc guide rail 5, the rail replacing vehicle 7 is driven to move again through the air cylinder 8, so that the second splayed rail 4 is in butt joint with the second arc guide rail 6 and the straight guide rail 2 to form another continuous guide rail, the first splayed rail 3 is derailed from the first arc guide rail 5 and the straight guide rail 2, then the second electric hoist carries the workpiece to move on the guide rail, and the workpiece is sent into the shot blasting chamber to be subjected to shot blasting treatment; in the process, the worker unloads the workpiece on the lifting hook below the first electric hoist and hooks a new workpiece to prepare the preparation process. The two electric hoists run alternately, and shot blasting treatment on the workpiece is continuously realized.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a splayed overhead traveling crane rail change mechanism for double hook shot-blasting machine which characterized in that: the shot blasting machine comprises a portal frame (1), wherein a straight guide rail (2) is arranged on the portal frame (1) and positioned outside a shot blasting chamber, a first arc guide rail (5) and a second arc guide rail (6) are arranged on one side, far away from the shot blasting chamber, of the straight guide rail (2) on the portal frame (1), the first arc guide rail (5) and the second arc guide rail (6) are symmetrically arranged on two sides of the straight guide rail (2), and a first splayed rail (3) and a second splayed rail (4) are arranged between the straight guide rail (2) and the first arc guide rail (5) and the second arc guide rail (6);
the first splayed rail (3) is arranged corresponding to the first arc guide rail (5), the first splayed rail (3) is connected with the first arc guide rail (5) and the straight guide rail (2) to form a continuous guide rail, the second splayed rail (4) is arranged corresponding to the second arc guide rail (6), and the second splayed rail (4) is connected with the second arc guide rail (6) and the straight guide rail (2) to form another continuous guide rail;
the gantry frame (1) is provided with a rail replacing mechanism which drives the first splayed rail (3) and the second splayed rail (4) to reciprocate and realizes butt joint of the first splayed rail (3) with the first arc guide rail (5) and the straight guide rail (2) and butt joint of the second splayed rail (4) with the second arc guide rail (6) and the straight guide rail (2).
2. The splayed crown block rail replacing mechanism for the double-hook shot blasting machine according to claim 1, which is characterized in that: the rail replacing mechanism comprises a rail replacing vehicle (7), the rail replacing vehicle (7) is connected to the portal frame (1) in a sliding mode along the moving direction of the first splayed rail (3) and the second splayed rail (4), the first splayed rail (3) and the second splayed rail (4) are arranged on the rail replacing vehicle (7), and a driving assembly for driving the rail replacing vehicle (7) to move back and forth is arranged on the portal frame (1).
3. The splayed crown block rail replacing mechanism for the double-hook shot blasting machine according to claim 2, characterized in that: the driving assembly comprises an air cylinder (8), the body of the air cylinder (8) is hinged to the portal frame (1), and a piston rod of the air cylinder (8) is hinged to the rail replacing vehicle (7).
4. The splayed crown block rail replacing mechanism for the double-hook shot blasting machine according to claim 2, characterized in that: the gantry (1) is formed by assembling all I-steel, I-steel openings on two sides of the rail replacing vehicle (7) are arranged to be rail grooves (9), and rollers (71) embedded in the rail grooves (9) are mounted on the rail replacing vehicle (7).
5. The splayed crown block rail replacing mechanism for the double-hook shot blasting machine according to claim 2, characterized in that: corner plates (10) are arranged at the corners of the rail replacing vehicle (7), guide wheels (11) are mounted on the corner plates (10), and the guide wheels (11) are abutted to the portal frame (1).
6. The splayed crown block rail replacing mechanism for the double-hook shot blasting machine according to claim 2, characterized in that: a limiting plate (12) is arranged on the portal frame (1) and positioned in the middle of the first arc guide rail (5) and the second arc guide rail (6), and limiting assemblies for controlling the moving stroke of the rail replacing trolley (7) are arranged on the rail replacing trolley (7) and positioned on two sides of the limiting plate (12);
when being located spacing subassembly of first eight characters rail (3) one side is contradicted in one side of limiting plate (12), first eight characters rail (3) and first arc guide rail (5) and straight guide rail (2) butt joint, when being located spacing subassembly of second eight characters rail (4) one side is contradicted in the opposite side of limiting plate (12), second eight characters rail (4) and second arc guide rail (6) and straight guide rail (2) butt joint.
7. The splayed crown block rail replacing mechanism for the double-hook shot blasting machine according to claim 6, characterized in that: spacing subassembly includes stop screw (13) of contradicting with limiting plate (12), be provided with fixed plate (14) on rail replacing car (7), stop screw (13) wear to establish fixed plate (14) and with fixed plate (14) threaded connection, the position threaded connection that lies in on stop screw (13) and be close to limiting plate (12) has fastening nut (15) inconsistent with fixed plate (14).
8. The splayed crown block rail replacing mechanism for the double-hook shot blasting machine according to claim 2, characterized in that: a safety baffle (16) is arranged between the first splayed rail (3) and the second splayed rail (4) on the rail replacing vehicle (7);
when the first splayed rail (3) is in butt joint with the first arc guide rail (5) and the straight guide rail (2), the safety baffle (16) blocks the second arc guide rail (6); when the second splayed rail (4) is in butt joint with the second arc guide rail (6) and the straight guide rail (2), the safety baffle (16) blocks the first arc guide rail (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023229117.7U CN214456273U (en) | 2020-12-28 | 2020-12-28 | Splayed crown block rail changing mechanism for double-hook shot blasting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023229117.7U CN214456273U (en) | 2020-12-28 | 2020-12-28 | Splayed crown block rail changing mechanism for double-hook shot blasting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214456273U true CN214456273U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023229117.7U Active CN214456273U (en) | 2020-12-28 | 2020-12-28 | Splayed crown block rail changing mechanism for double-hook shot blasting machine |
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| Country | Link |
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| CN (1) | CN214456273U (en) |
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