CN219488999U - Self-locking device of belt tensioning oil cylinder of ship loader - Google Patents
Self-locking device of belt tensioning oil cylinder of ship loader Download PDFInfo
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- CN219488999U CN219488999U CN202320140310.8U CN202320140310U CN219488999U CN 219488999 U CN219488999 U CN 219488999U CN 202320140310 U CN202320140310 U CN 202320140310U CN 219488999 U CN219488999 U CN 219488999U
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- locking
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- locking sleeve
- ship loader
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Abstract
A self-locking device of a ship loader belt tensioning cylinder belongs to the technical field of ship loader belt conveyor equipment and is used for locking the ship loader belt tensioning cylinder. The technical proposal is as follows: the locking sleeve is a cylinder, an inner hole of the locking sleeve is fixedly sleeved on the belt tensioning cylinder, annular threads are uniformly distributed on the circumferential outer surface of the locking sleeve along the length direction, the fixed disc seat is a circular ring, the inner hole of the fixed disc seat is sleeved on the outer periphery of the locking sleeve, the outer periphery of the fixed disc seat is welded and fixed on a steel structure of a cantilever crane belt conveyor of the ship loader, the clamping jaw bases are multiple, the clamping jaw bases are uniformly distributed and fixed on the circumference of the fixed disc seat, the clamping jaws are respectively connected with the clamping jaw bases through pin shafts, and the front ends of the clamping jaws are embedded in the annular threads of the locking sleeve. The utility model has simple structure and convenient use, can lock the tensioning cylinder of the arm support belt conveyor under the condition that the ship loader does not stop operation, improves the safety and the operation efficiency of equipment, and reduces the loss caused by shutdown adjustment.
Description
Technical Field
The utility model relates to a self-locking device of a ship loader belt tensioning cylinder, and belongs to the technical field of ship loader belt conveyor equipment.
Background
The coal is transported by using a ship, when the coal is transported by using a ship loader, the coal is loaded in a port, and the ship loader can realize the loading operation of ships with various ships through pitching and telescoping of the arm support. In order to ensure that the conveyor belt on the arm support belt conveyor runs normally and is not slipped under heavy load, enough tension must be applied to the arm support belt. The existing belt conveyor tensioning force applying mode is that a slidable roller is arranged at the tail of the arm support belt conveyor and is matched with two tensioning cylinders, and the cylinders convert hydraulic energy into tensioning force of a conveying belt. Considering that the oil cylinder and the corresponding hydraulic pipe fitting cannot guarantee absolute sealing, a locking position and a screw locking nut for keeping the tensioning force are configured for the tensioning oil cylinder. When the ship loader operates in a ship, the tensioning force of the cantilever crane belt conveyor needs to be adjusted to ensure the normal operation of the cantilever crane belt conveyor when the cantilever crane angle is higher or the belt is deviated. After the tensioning cylinder is adjusted, maintenance personnel are required to manually lock the cylinder lock nut, the operation is required to be carried out for safety, and the operation is required to be stopped for about one hour each time, so that the shipping operation efficiency is influenced, and the improvement is required.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a self-locking device of a belt tensioning cylinder of a ship loader, which is suitable for an on-site operation environment, has the characteristics of automatically locking the position of the tensioning cylinder and keeping the tension of the belt, and can lock and adjust the tensioning cylinder of a cantilever crane belt conveyor under the condition that the ship loader does not stop operation.
The technical scheme for solving the problems is as follows:
the utility model provides a ship loader belt tensioning cylinder's self-locking device, it includes the locking cover, the fixed disk seat, the jack catch base, the jack catch, the round pin axle, the fixed cover of hole of locking cover is on belt tensioning cylinder, the circumference surface of locking cover has annular screw thread along length direction equipartition, the fixed disk seat is the ring, the hole suit of fixed disk seat is in the periphery of locking cover, the periphery welded fastening of fixed disk seat is on ship loader cantilever crane belt feeder steel construction, the jack catch base is a plurality of, a plurality of jack catch bases equipartition are fixed at the circumference of fixed disk seat, a plurality of jack catch are connected with the jack catch base through the round pin axle respectively, the front end of jack catch inlays in the annular screw thread of locking cover.
Above-mentioned shipment machine belt tensioning cylinder's from locking device, the cylinder of locking sleeve comprises two semicircle sleeve, and two semicircle sleeve's both sides edge has the connecting plate respectively, and the connecting plate of two semicircle sleeve both sides is relative, has corresponding connecting screw on the connecting plate respectively, and two semicircle sleeve cover respectively in belt tensioning cylinder's periphery, and fastening bolt passes through connecting screw with two semicircle sleeve and belt tensioning cylinder fastening connection, and the annular screw thread of locking sleeve circumference surface is right triangle-shaped screw thread, and the right angle limit of right triangle-shaped screw thread is located the taut direction of locking sleeve.
Above-mentioned ship loader belt tensioning hydro-cylinder's self-locking device, the jack catch base is the U-shaped frame, and the diaphragm welding of the U-shaped frame of jack catch base is in the side of fixed disk seat, and two curb plate front ends of U-shaped frame have relative shaft hole, and the round pin axle of connecting the jack catch is installed in the shaft hole, has the spring dead lever between two curb plates of shaft hole below, and the rear end of tensioning spring is connected with the spring dead lever.
Above-mentioned shipment machine belt tensioning hydro-cylinder from locking device, the jack catch is triangle-shaped slab, and the face rear portion of jack catch inlays between two curb plates of the U-shaped frame of jack catch base, and the rear portion of jack catch has the shaft hole to be relative with the shaft hole of two curb plates of jack catch base, and the round pin axle is connected the jack catch with the jack catch base through the shaft hole, and the round pin axle is normal running fit with the jack catch, and the face lower part of jack catch has the spring hole to be connected with the front end of tensioning spring, and the acute angle front end of the triangle-shaped face of jack catch inlays in the annular screw thread of locking sleeve.
The beneficial effects of the utility model are as follows:
the locking sleeve is fixedly connected with the belt tensioning cylinder, moves along with the cylinder body of the belt tensioning cylinder, surrounds threads, and has unidirectionality; the fixed disc seat is welded and fixed on the steel structure of the cantilever crane belt conveyor of the ship loader, the claw bases are welded on the fixed disc seat in the circumferential direction, and the claw bases are connected with each other through the pin shafts; when the locking sleeve moves forwards, the front ends of the clamping claws are embedded in annular threads of the locking sleeve to self-lock the locking sleeve, so that the belt tensioning oil cylinder is locked at the current position.
The utility model has simple structure and convenient use, has the functions of automatically locking the position of the tensioning cylinder and keeping the tension of the belt, can lock the tensioning cylinder of the cantilever crane belt conveyor under the condition that the ship loader does not stop operation, is suitable for the field operation environment, improves the safety and the operation efficiency of equipment, reduces the loss caused by shutdown adjustment, and has higher popularization and application values.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a locking sleeve;
fig. 3 is a schematic structural view of the fixed tray, the jaw base, and the jaw.
The figures are labeled as follows: the belt tensioning cylinder 1, the locking sleeve 2, the fixed disc seat 3, the claw base 4, the claw 5, the pin shaft 6, the connecting plate 7, the connecting screw hole 8, the annular thread 9, the spring fixing rod 10 and the tensioning spring 11
Description of the embodiments
The utility model consists of a locking sleeve 2, a fixed disc seat 3, a claw base 4, a claw 5, a pin shaft 6 and a tensioning spring 11.
Fig. 1 and 2 show that the locking sleeve 2 is a cylinder, an inner hole of the locking sleeve 2 is fixedly sleeved on the belt tensioning cylinder 1, and annular threads 9 are uniformly distributed on the circumferential outer surface of the locking sleeve 2 along the length direction.
The cylinder of the locking sleeve 2 is composed of two semicircular sleeves, the edges of two sides of the two semicircular sleeves are respectively provided with a connecting plate 7, the connecting plates 7 on two sides of the two semicircular sleeves are opposite, the connecting plates 7 are respectively provided with corresponding connecting screw holes 8, the two semicircular sleeves are respectively sleeved on the periphery of the belt tensioning cylinder 1, and the two semicircular sleeves are tightly connected with the belt tensioning cylinder 1 through the connecting screw holes 8 by fastening bolts. The annular thread 9 on the circumferential outer surface of the locking sleeve 2 is a right triangle thread, and the right angle side of the right triangle thread is positioned in the tightening direction of the locking sleeve 2. The annular thread 9 has unidirectionality, and the claw 5 can automatically lock the locking sleeve 2 through the annular thread 9.
Fig. 1 and 3 show that the fixed disc seat 3 is a circular ring, an inner hole of the fixed disc seat 3 is sleeved on the periphery of the locking sleeve 2, and the periphery of the fixed disc seat 3 is welded and fixed on a steel structure of the arm support belt conveyor of the ship loader. The fixed disk seat 3 plays a supporting role on the self-locking device.
Fig. 1 and 3 show that the number of claw bases 4 is plural, the claw bases 4 are uniformly distributed and fixed on the circumference of the fixed disk base 3, and the claw bases 4 are used for installing and fixing claws 5. The jack catch base 4 is the U-shaped frame, and the diaphragm welding of the U-shaped frame of jack catch base 4 has relative shaft hole at the side of fixed disk seat 3, two curb plate front ends of U-shaped frame, and the round pin axle 6 of connecting jack catch 5 is installed in the shaft hole, and a plurality of jack catch 5 are installed on jack catch base 4 through round pin axle 6 respectively.
Fig. 1 and 3 show that the claw 5 is a triangular plate, the rear part of the plate surface of the claw 5 is embedded between two side plates of the U-shaped frame of the claw base 4, a shaft hole is arranged at the rear part of the claw 5 and is opposite to the shaft holes of the two side plates of the claw base 4, the claw 5 is connected with the claw base 4 through the shaft hole by the pin shaft 6, the pin shaft 6 is in running fit with the claw 5, and the acute angle front end of the triangular plate surface of the claw 5 is embedded in the annular thread 9 of the locking sleeve 2.
Fig. 1 and 3 show that a tensioning spring 11 is connected between the claw 5 and the claw base 4 for tightly connecting the claw 5 with the locking sleeve 2 for self-locking. The tensioning structure is that a spring hole is formed in the lower portion of the plate surface of a claw 5, a spring fixing rod 10 is arranged between the lower portions of two side plates of a claw base 4, the front end of a tensioning spring 11 is connected with the spring hole, the rear end of the tensioning spring 11 is connected with the spring fixing rod 10, and therefore the front end of the claw 5 is tightly attached to annular threads 9 on the circumference of a locking sleeve 2, and the purpose of self locking is achieved.
The application process of the utility model is as follows:
when the belt tensioning device is used, the locking sleeve 2 is fixedly connected with the belt tensioning cylinder 1, the front ends of the clamping claws 5 are tightly attached to the circumference of the locking sleeve 2 by the tensioning springs 11, and the acute angles of the front ends of the clamping claws 5 are embedded into the annular threads 9 of the locking sleeve 2;
when the arm support belt of the ship loader is tensioned, the locking sleeve 2 moves along with the cylinder body of the belt tensioning cylinder 1, and the claw 5 slides forwards along the right triangle oblique side of the annular thread 9 on the surface of the annular thread 9;
when the belt is tensioned in place, the tensioning cylinder 1 stops moving, the locking sleeve 2 also stops moving, the claw 5 is embedded into the annular thread 9 when the locking sleeve 2 stops moving, and is propped against the front end of the right-angled triangle of the annular thread 9, so that the locking sleeve 2 can not move forwards any more, and the locking of the locking sleeve 2 is realized;
the annular thread 9 has unidirectionality, so that the locking sleeve 2 is automatically locked under the action of the clamping jaw 5, and the belt tensioning cylinder 1 is locked at the current position, so that the tensioning force required by the operation of the arm support belt conveyor of the ship loader is ensured.
One embodiment of the utility model is as follows:
the locking sleeve 2 is made of Q345B, the inner diameter of the cylinder body is 200mm, the wall thickness is 20mm, the length is 1500mm, the width of the connecting plate 7 is 60mm, the thickness is 10mm, the diameter of the connecting screw hole 8 is 16mm, the annular thread 9 is a right triangle thread, the height is 10mm, and the width is 9mm;
the outer diameter of the fixed disc seat 3 is 560mm, the diameter of the inner hole is 380mm, and the thickness is 60mm;
the claw base 4 is made of Q345B, has the length of 85mm, the width of 55mm, the height of 96mm and the middle groove width;
the claw 5 is made of Q345B, and has the length of 210mm, the width of 57mm and the thickness of 21mm;
the pin shaft 6 is made of Q345B, has a diameter of 25mm and a length of 80mm;
the tensioning spring 11 is made of 304 stainless steel, has an outer diameter of 30mm, a wire diameter of 5mm and a length of 50mm.
Claims (4)
1. The utility model provides a ship loader belt tensioning hydro-cylinder from locking device which characterized in that: the novel belt clamping device comprises a locking sleeve (2), a fixed disc seat (3), a plurality of claw bases (4), a plurality of claws (5) and a pin shaft (6), wherein the locking sleeve (2) is a cylinder, an inner hole of the locking sleeve (2) is fixedly sleeved on a belt tensioning cylinder (1), annular threads (9) are uniformly distributed on the circumferential outer surface of the locking sleeve (2) along the length direction, the fixed disc seat (3) is a circular ring, the inner hole of the fixed disc seat (3) is sleeved on the periphery of the locking sleeve (2), the periphery of the fixed disc seat (3) is welded and fixed on a steel structure of a ship loader arm frame belt conveyor, the claw bases (4) are multiple, the claw bases (4) are uniformly distributed and fixed on the periphery of the fixed disc seat (3), the claws (5) are respectively connected with the claw bases (4) through the pin shaft (6), and the front ends of the claws (5) are embedded in the annular threads (9) of the locking sleeve (2).
2. The self-locking device of a ship loader belt tensioning cylinder of claim 1, wherein: the cylinder of locking cover (2) comprises two semicircle sleeve, and there is connecting plate (7) two semicircle sleeve's both sides edge respectively, and connecting plate (7) of two semicircle sleeve both sides are relative, have corresponding connecting screw (8) on connecting plate (7) respectively, and two semicircle sleeve cover respectively in the periphery of belt tensioning hydro-cylinder (1), and fastening bolt passes through connecting screw (8) with two semicircle sleeve and belt tensioning hydro-cylinder (1) fastening connection, and annular screw thread (9) of locking cover (2) circumference surface are right triangle-shaped screw thread, and right angle limit of right triangle-angle triangle-shaped screw thread is located the taut direction of locking cover (2).
3. The self-locking device of a ship loader belt tensioning cylinder of claim 1, wherein: the clamping jaw base (4) is a U-shaped frame, a transverse plate of the U-shaped frame of the clamping jaw base (4) is welded on the side face of the fixed disc base (3), opposite shaft holes are formed in the front ends of two side plates of the U-shaped frame, a pin shaft (6) for connecting the clamping jaw (5) is arranged in the shaft holes, a spring fixing rod (10) is arranged between the two side plates below the shaft holes, and the rear end of the tensioning spring (11) is connected with the spring fixing rod (10).
4. A self-locking device for a ship loader belt tensioner cylinder as claimed in claim 3, wherein: the claw (5) is a triangle plate, the rear part of the plate surface of the claw (5) is embedded between two side plates of the claw base (4), a shaft hole is formed in the rear part of the claw (5) and is opposite to the shaft holes of the two side plates of the claw base (4), the pin shaft (6) is used for connecting the claw (5) with the claw base (4) through the shaft hole, the pin shaft (6) is in running fit with the claw (5), a spring hole is formed in the lower part of the plate surface of the claw (5) and is connected with the front end of the tensioning spring (11), and the front end of the acute angle of the triangle plate surface of the claw (5) is embedded in the annular thread (9) of the locking sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320140310.8U CN219488999U (en) | 2023-02-07 | 2023-02-07 | Self-locking device of belt tensioning oil cylinder of ship loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320140310.8U CN219488999U (en) | 2023-02-07 | 2023-02-07 | Self-locking device of belt tensioning oil cylinder of ship loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219488999U true CN219488999U (en) | 2023-08-08 |
Family
ID=87483247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320140310.8U Active CN219488999U (en) | 2023-02-07 | 2023-02-07 | Self-locking device of belt tensioning oil cylinder of ship loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219488999U (en) |
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2023
- 2023-02-07 CN CN202320140310.8U patent/CN219488999U/en active Active
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