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CN-122010018-A - Cantilever telescopic mechanism

CN122010018ACN 122010018 ACN122010018 ACN 122010018ACN-122010018-A

Abstract

The invention relates to the technical field of material conveying equipment, in particular to a cantilever telescopic mechanism which comprises a base, a first support arm, a second support arm, a first transmission module for driving the first support arm to stretch and retract and a second transmission module for driving the second support arm to stretch and retract. The second support arm is coated on the peripheral side of the first support arm, and comprises a mounting plate, a first side plate, a second side plate and a plurality of groups of first guide wheel groups. The first side plate and the second side plate are both in screw connection with the mounting plate. The inner side surfaces of the first side plate and the second side plate are respectively provided with a plurality of groups of first guide wheel groups at intervals. The two outer side surfaces of the first support arm are simultaneously connected with the pulley surface of the first guide pulley group in a sliding way. The two sides of the base are provided with a plurality of groups of second guide wheel groups at intervals, and the two inner side surfaces of the first support arm are simultaneously connected with the pulley surfaces of the second guide wheel groups in a sliding manner. The base, the first support arm and the second support arm are all arranged to be detachable structures, so that the processing is convenient, the transportation and the storage are more convenient, and the processing and maintenance costs are lower.

Inventors

  • ZHONG JIANGUANG

Assignees

  • 多麦智能制造(广东)有限公司

Dates

Publication Date
20260512
Application Date
20260206

Claims (10)

  1. 1. A cantilever telescopic mechanism is characterized by comprising a base (2), a first support arm (3) arranged in a sliding mode along the length direction of the base (2), a second support arm (4) arranged in a sliding mode along the length direction of the first support arm (3), a first transmission module (5) used for driving the first support arm (3) to stretch and a second transmission module (6) used for driving the second support arm (4) to stretch, wherein the second support arm (4) is coated on the outer peripheral side of the first support arm (3), the second support arm (4) comprises a mounting plate (41), a first side plate (42) arranged on one side of the mounting plate (41), a second side plate (43) arranged on the other side of the mounting plate (41) and a plurality of groups of first guide wheel groups (44), the first side plate (42) and the second side plate (43) are connected with the mounting plate (41) through screws, a plurality of groups of first guide wheel groups (44) are arranged on the inner side surfaces of the first side plate (42) and the second side plate (43) at intervals, a plurality of groups of first guide wheel groups (25) are arranged on the outer side surfaces of the first support arm (3) and the second side (25) are connected with the two groups of guide wheel groups (25) at intervals, the two inner side surfaces of the first support arm (3) are simultaneously connected with the pulley surface of the second guide pulley group (25) in a sliding mode.
  2. 2. The cantilever telescopic mechanism according to claim 1, wherein the first guide wheel set (44) comprises at least one first vertical guide wheel (441), a first mounting seat (442) for mounting the first vertical guide wheel (441), at least one first horizontal guide wheel (444) and a second mounting seat (443) for mounting the first horizontal guide wheel (444), the diameter of the first vertical guide wheel (441) is vertically arranged and parallel to the outer side surface of the first support arm (3), the diameter of the first horizontal guide wheel (444) is horizontally arranged and perpendicular to the outer side surface of the first support arm (3), and the first mounting seat (442) and the second mounting seat (443) are both connected to the corresponding first side plate (42) and second side plate (43) by screws.
  3. 3. The cantilever telescopic mechanism according to claim 2, wherein the lower end of the first side plate (42) is provided with an inward concave mounting groove, the first mounting seat (442) comprises a first seat body (4421), a first seat body (4422) and a second seat body (4423) which are arranged in an L shape, one end of the first seat body (4421) is connected to the top wall of the mounting groove through screws, the other end of the first seat body (4421) is positioned on the outer side surface of the first side plate (42) and is abutted against the lower surface of the first seat body (4422), one end of the first seat body (4422) is positioned on the outer side of the first side plate (42), the other end of the first seat body (4422) penetrates through the first side plate (42) to be connected to the first vertical guide wheel (441), the other end of the second seat body (4423) is connected to the first side plate (42) through screws and is positioned above the first seat body (4422), and the other end of the first seat body (4422) is matched with the lower surface of the first seat body (4422).
  4. 4. The cantilever telescopic mechanism according to claim 2, wherein a fixing groove for mounting the second mounting seat (443) and the first horizontal guide wheel (444) is formed in the first side plate (42), the second mounting seat (443) comprises a connecting shaft (4431), a third seat (4432) connected to one end of the connecting shaft (4431) and a fourth seat (4433) connected to the other end of the connecting shaft (4431), the middle part of the third seat (4432) is arranged in a protruding manner and is clamped at the upper end of the fixing groove, two ends of the third seat (4432) are abutted against the inner side wall of the second side plate (43) and are connected with the second side plate (43) through screws, the middle part of the fourth seat (4433) is arranged in a protruding manner and is clamped at the lower end of the fixing groove, two ends of the fourth seat (4433) are abutted against the inner side wall of the second side plate (43) and are connected with the second side plate (4431) through screws, and the third seat (4432) is sleeved between the third seat (4431) and the fourth seat (4432).
  5. 5. The cantilever telescopic mechanism according to claim 1, wherein the first support arm (3) comprises a fixed plate (31), a first limiting plate (32) arranged on one side of the fixed plate (31) and a second limiting plate (33) arranged on the other side of the fixed plate (31), first sliding grooves (34) are formed in the outer side walls of the first limiting plate (32) and the second limiting plate (33) along the length direction of the first limiting plate, second sliding grooves (35) are formed in the inner side walls of the first limiting plate (32) and the second limiting plate (33) along the length direction of the second limiting plate, the first guide wheel set (44) is arranged in the first sliding grooves (34) in a sliding mode, and the second guide wheel set (25) is arranged in the second sliding grooves (35) in a sliding mode.
  6. 6. The cantilever telescopic mechanism according to claim 5, wherein the first limiting plate (32) and the second limiting plate (33) are arranged in the same structure and are all arranged in an i-steel structure.
  7. 7. The cantilever telescopic mechanism according to claim 1, wherein the base (2) comprises a first frame (21), a second frame (22) which is parallel to the first frame (21), a plurality of connecting plates (23) which are connected to the lower ends of the first frame and the second frame (22) and two end covers (24), the end parts of two ends of the first frame (21) and the second frame (22) are connected with one end cover (24) through screws, the plurality of connecting plates (23) are distributed at intervals along the length direction of the first frame (21) to fix the first frame (21) and the second frame (22), and a plurality of groups of second guide wheel sets (25) are arranged on the outer side walls of the first frame (21) and the second frame (22) at intervals.
  8. 8. The cantilever telescopic mechanism according to claim 1, wherein the first transmission module (5) comprises a plurality of groups of gear sets (51) and racks (52), the plurality of groups of gear sets (51) are sequentially arranged in the base (2) at intervals, two adjacent groups of gear sets (51) are in meshed connection, the racks (52) are fixed on the first support arm (3) and are positioned above the plurality of groups of gear sets (51), and the racks (52) are in meshed connection with the plurality of groups of gear sets (51).
  9. 9. The cantilever telescopic mechanism according to claim 8, wherein the gear set (51) comprises a first rotating rod (511), a second rotating rod (512), a driving gear (513) and a driven gear (514), the first rotating rod (511) and the second rotating rod (512) are arranged on the base (2) at intervals, the driving gear (513) is sleeved on the first rotating rod (511), the driving gear (513) is in meshed connection with the rack (52), the driven gear (514) is sleeved on the second rotating rod (512), the driven gear (514) is in meshed connection with the adjacent driving gear (513), and one of the first rotating rod (511) is connected with the output end of an external servo motor (71).
  10. 10. The cantilever telescopic mechanism according to claim 1, wherein the second transmission module (6) is arranged between the second support arms (4) of the first support arm (3), the second transmission module (6) comprises a first chain belt (61), a first chain seat (62), a second chain belt (63) and a second chain seat (64), the first chain seat (62) is fixed on one end of the first support arm (3), the second chain seat (64) is fixed on the other end of the second support arm (4), one end of the first chain belt (61) is fixed on the lower surface of the mounting plate (41), the other end of the first chain belt (61) is connected to the first chain seat (62) in an engaged mode and is positioned between the first support arm (3) and the base (2) through the second chain belt (4), one end of the second chain seat (63) is fixed on the lower surface of the mounting plate (41), and the other end of the second chain belt (63) is connected to the second support arm (3) through the second chain seat (64) and is positioned between the first support arm (3) and the base (2).

Description

Cantilever telescopic mechanism Technical Field The invention relates to the technical field of material conveying equipment, in particular to a cantilever telescopic mechanism. Background The efficient stacker reclaimer has the advantages that the efficiency of storing materials is high, the operation speed of the reclaimer is required, the execution speed of the fork is required strictly, and particularly when the size and the specification of the cargoes are inconsistent, the speed influence of the fork is more important, so that the fork is the core equipment of the efficient stacker. The forks generally have two types, namely a rack-and-pinion type telescopic fork and a chain type telescopic fork. The rack and pinion type telescopic fork adopts two or three sections of forks. The three-section fork is a fork telescopic mechanism consisting of a front fork, a middle fork, a fixed fork, a guide roller and the like. The chain type telescopic fork consists of an upper/middle telescopic fork, a fixed fork, a guide wheel and the like. In the existing equipment, each section of fork is integrally formed, so that the overall cost is high, and the transportation and storage are troublesome. Disclosure of Invention In order to solve the technical defects in the prior art, the invention aims to provide a cantilever telescopic mechanism. In order to achieve the above purpose, the present invention adopts the following technical scheme: The cantilever telescopic mechanism comprises a base, a first support arm, a second support arm, a first transmission module and a second transmission module, wherein the first support arm is arranged in a sliding mode along the length direction of the base, the second support arm is arranged in a sliding mode along the length direction of the first support arm, the first transmission module is used for driving the first support arm to stretch out and draw back, the second transmission module is used for driving the second support arm to stretch out and draw back, the second support arm is coated on the outer peripheral side of the first support arm, the second support arm comprises a mounting plate, a first side plate, a second side plate and a plurality of groups of first guide wheel groups, the first side plate and the second side plate are in screw connection with the mounting plate, a plurality of groups of first guide wheel groups are arranged on the inner side surfaces of the first side plate and the second side plate at intervals, two outer side surfaces of the first support arm are simultaneously connected with the pulley surfaces of the first guide wheel groups at intervals, and two inner side surfaces of the first support arm are simultaneously connected with the pulley surfaces of the second guide wheel groups at intervals. Through adopting above-mentioned technical scheme, base, first support arm, second support arm all set up to detachable structure, and the second support arm is assembled through mounting panel, first curb plate, second curb plate and is formed, can dismantle the mode of connection, and processing is convenient, and transportation storage is more convenient, has reduced the space of storage, and processing, cost of maintenance are lower. The first support arm is supported through the first guide wheel set and the second guide wheel set in a limiting mode, the first transmission module drives the first support arm to stretch out and draw back, the second transmission module drives the second support arm to stretch out and draw back, the transverse limiting is achieved, the whole height of the cantilever telescopic mechanism is reduced, compatibility is stronger, and the telescopic carrying operation efficiency is high. Further, the first guide wheel group comprises at least one first vertical guide wheel, a first installation seat for installing the first vertical guide wheel, at least one first horizontal guide wheel and a second installation seat for installing the first horizontal guide wheel, so that the smoothness of sliding and the stability of supporting are improved. The diameter of the first vertical guide wheel is vertically arranged and parallel to the outer side surface of the first support arm. The diameter of the first horizontal guide wheel is horizontally arranged and perpendicular to the outer side face of the first support arm, friction resistance is reduced, and sliding efficiency is improved. The first mounting seat and the second mounting seat are connected to the corresponding first side plate and second side plate through screws, and the mounting and the dismounting are convenient and quick. Further, the lower end of the first side plate is provided with a concave mounting groove. The first mounting seat comprises a first seat body, a first bearing seat and a second seat body which are arranged in an L shape. One end screw connection of first pedestal in on the roof of mounting groove, the other end of first pedestal is located t