Track telescoping mechanism for multi-penetrating layer-changing elevator

Abstract

The utility model relates to the technical field of logistics storage, in particular to a rail telescoping mechanism for a multi-penetrating layer-changing elevator, which comprises a fixed frame, a multi-penetrating trolley rail fixedly connected to the top of the fixed frame, a motor support fixedly connected to the bottom of the fixed frame, a motor mounted on one side of the motor support, and a telescopic rod mounted on the other side of the motor support. A crank is rotationally arranged on the other side of the motor support, the center of the crank is fixedly connected with a transmission shaft of the motor, a wear-resisting connecting rod assembly is hinged to one end of the crank, a connecting block is hinged to one end of the wear-resisting connecting rod assembly, and a movable frame is installed above the connecting block and arranged on the inner side of the multi-penetrating trolley track in a sliding mode. According to the utility model, the motor is adopted to directly drive the crank and the wear-resistant connecting rod assembly, so that the cost is reduced, the system stability is improved, the problems of high failure rate and high maintenance cost caused by a complex structure are avoided, and the operation reliability and economical efficiency of the multi-penetrating layer-changing elevator are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of logistics storage, specifically a track telescopic mechanism for a multi-pass layer changing elevator. BACKGROUND

[0002] The multi-pass system is a kind of efficient and intelligent logistics solution, which realizes the efficient movement and storage of goods in the warehouse through multi-layer shuttles, and the multi-pass system is usually composed of multi-layer shuttles, box elevators, layer changing elevators, shelves and the like;

[0003] The layer changing elevator is a key equipment in logistics storage, and its main function is to realize the transmission of multi-pass vehicles between different levels, the track telescopic mechanism is used for the butt joint of the track of the layer changing elevator and the track of the shelf, and the track telescopic mechanism is a key component for the butt joint between the layer changing elevator and the track of the shelf;

[0004] The existing track butt joint mechanism is usually composed of electric cylinders or ball screws, motors, movable tracks and the like, the electric cylinders or ball screws generate linear motion through the driving of the motor, push the movable track to extend or retract, so as to realize the butt joint with the fixed track, however, the structure of the electric cylinder and the ball screw is relatively complex, which is easy to cause system failure due to wear or mechanical failure, and the failure rate is high, which increases the maintenance cost, therefore, the track telescopic mechanism for the multi-pass layer changing elevator is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a track telescopic mechanism for a multi-pass layer changing elevator, so as to solve the problem of complex structure of electric cylinder and ball screw, easy to cause system failure due to wear or mechanical failure, high failure rate and increased maintenance cost.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of track telescopic mechanism for multiple wear and change layer elevator, including fixed frame, the top of the fixed frame is fixedly connected with multiple trolley track, the bottom of the fixed frame is fixedly connected with motor support, the side of the motor support is equipped with motor, the other side of the motor support is rotatably equipped with crank, the center of the crank is fixedly connected with the transmission shaft of motor, the one end of the crank is hingedly equipped with wear-resistant connecting rod assembly, the one end of the wear-resistant connecting rod assembly is hingedly equipped with connecting block, the top of the connecting block is installed with movable frame, the movable frame is slidably arranged in the inner side of multiple trolley track;The wear-resistant connecting rod assembly includes stem, the both ends of the stem are threadedly connected with link rod, the one end of the link rod is fixedly connected with connecting rod head, the inner side of the connecting rod head is installed with bushing mechanism, the inside of the connecting rod head is provided with oil collecting groove;The bushing mechanism includes bushing body, the surface of the bushing body is provided with oil outlet hole and guide groove, the guide groove is located at the both ends of oil outlet hole, the one end of the bushing body away from crank is fixedly connected with connecting disc.

[0008] As the further optimization of the utility model, wherein: the connecting rod head side is provided with a placing groove matched with the connecting disc, the connecting disc is installed on the inner side of the placing groove, the connecting rod head and the connecting disc are connected by connecting bolts, the middle part of the link rod is provided with a conveying groove, the inner side of the conveying groove is communicated with the inner side of the oil collecting groove.

[0009] As the further optimization of the utility model, wherein: the number of oil outlet holes is several, the several oil outlet holes are equidistantly arranged in a circular arrangement, the inner side of the oil outlet hole is communicated with the inner side of the oil collecting groove.

[0010] As the further optimization of the utility model, wherein: the cross-sectional shape of the guide groove is "Y", and every two guide grooves are symmetrically arranged on the left and right sides with the oil outlet hole as the center.

[0011] As the further optimization of the utility model, wherein: the inner side of the stem is provided with a small triangular groove, two large triangular grooves and two connecting grooves, the small triangular groove is located in the middle of the inner side of the stem, the two large triangular grooves are respectively located at the two ends of the small triangular groove, and the two connecting grooves are respectively located at the top end and the bottom end of the inner side of the stem.

[0012] As the further optimization of the utility model, wherein: the cross-sectional shape of the large triangular groove is triangular, the cross-sectional area of the large triangular groove is 2.5 times the cross-sectional area of the small triangular groove, the top of the small triangular groove is provided with an oil injection hole, and the one end of the oil injection hole extends to the inner side of the small triangular groove.

[0013] As the further optimization of the utility model, wherein: two connecting grooves are symmetrically arranged, the inner side of the connecting groove is connected with the inner side of the small triangular groove through the inner side of the large triangular groove, and a threaded groove adapted to the connecting rod is formed in the top of the inner side of the connecting groove.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] In the utility model, the wear-resistant connecting rod assembly, the rod body and the bushing mechanism are arranged, the motor directly drives the crank and the wear-resistant connecting rod assembly, the cost is reduced and the system stability is improved, the lubrication design of the wear-resistant connecting rod assembly effectively prolongs the service life of the components and reduces the failure rate caused by wear, the "Y" shaped guide groove design ensures uniform application of lubricating grease and improves lubrication efficiency, compared with the traditional electric cylinder or ball screw structure, the mechanism avoids the high failure rate and maintenance cost problems caused by the complex structure, and significantly improves the operation reliability and economy of the multi-pass changing layer hoist. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a structure schematic view of the crank of the utility model;

[0018] Figure 3 It is a structure schematic view of the wear-resistant connecting rod assembly of the utility model;

[0019] Figure 4 It is a cross section structure schematic view of the rod body of the utility model;

[0020] Figure 5 It is a cross section structure schematic view of the connecting rod head of the utility model;

[0021] Figure 6 It is a structure schematic view of the bushing mechanism of the utility model.

[0022] In the drawing: 1, fixed frame; 2, multi-pass trolley track; 3, motor support; 4, motor; 5, crank;

[0023] 6, wear-resistant connecting rod assembly;

[0024] 61, rod body; 611, small triangular groove; 612, large triangular groove; 613, connecting groove; 614, threaded groove; 615, oil injection hole;

[0025] 62, connecting rod; 63, connecting rod head;

[0026] 64, bushing mechanism; 641, bushing body; 642, oil outlet hole; 643, guide groove; 644, connecting disc; 645, connecting bolt;

[0027] 65, oil collecting groove; 66, placing groove; 67, conveying groove;

[0028] 7, connecting block; 8, movable frame. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0031] Please refer to Figures 1-6 The present application provides a technical solution:

[0032] A track telescopic mechanism for a multi-pass layer lifting machine, comprising a fixed frame 1, a multi-pass trolley track 2 is fixedly connected to the top of the fixed frame 1, a motor support 3 is fixedly connected to the bottom of the fixed frame 1, a motor 4 is installed on one side of the motor support 3, a crank 5 is rotatably arranged on the other side of the motor support 3, the center of the crank 5 is fixedly connected with the transmission shaft of the motor 4, a wear-resistant connecting rod assembly 6 is hingedly connected to one end of the crank 5, a connecting block 7 is hingedly connected to one end of the wear-resistant connecting rod assembly 6, a movable frame 8 is installed above the connecting block 7, and the movable frame 8 is slidingly arranged on the inner side of the multi-pass trolley track 2; the wear-resistant connecting rod assembly 6 comprises a rod body 61, a connecting rod 62 is threadedly connected to both ends of the rod body 61, a conveying groove 67 is formed in the middle of the connecting rod 62, the inner side of the conveying groove 67 is in communication with the inner side of an oil collecting groove 65, a connecting rod head 63 is fixedly connected to one end of the connecting rod 62, a bushing mechanism 64 is installed on the inner side of the connecting rod head 63, and the oil collecting groove 65 is formed in the inside of the connecting rod head 63; the bushing mechanism 64 comprises a bushing body 641, an oil outlet hole 642 and a guide groove 643 are formed in the surface of the bushing body 641, the guide grooves 643 are located at both ends of the oil outlet hole 642, and a connecting disc 644 is fixedly connected to the end of the bushing body 641 away from the crank 5.

[0033] As a further implementation of the present scheme, the connecting rod head 63 is provided with a placement groove 66 on one side, which is matched with the connecting disc 644. The connecting disc 644 is installed on the inner side of the placement groove 66, and the connecting rod head 63 is connected with the connecting disc 644 through the connecting bolt 645. In this way, the easily-worn bushing mechanism 64 can be replaced conveniently.

[0034] As a further implementation of the present scheme, the number of oil outlet holes 642 is several, and the several oil outlet holes 642 are arranged in a circular shape at equal intervals. The inner side of the oil outlet hole 642 is in communication with the inner side of the oil collecting groove 65. The cross-sectional shape of the guide groove 643 is "Y" shape. Every two guide grooves 643 are arranged symmetrically left and right with the oil outlet hole 642 as the center. In this way, the flow path and the application area of the lubricating grease are increased, and the uniformity and efficiency of lubrication are further improved.

[0035] As a further implementation of the present scheme, the inner side of the rod body 61 is provided with a small triangular groove 611, two large triangular grooves 612 and two connecting grooves 613. The small triangular groove 611 is located in the middle of the inner side of the rod body 61. The two large triangular grooves 612 are respectively located at both ends of the small triangular groove 611. The two connecting grooves 613 are respectively located at the top end and the bottom end of the inner side of the rod body 61. The cross-sectional shape of the large triangular groove 612 is triangular. The cross-sectional area of the large triangular groove 612 is 2.5 times the cross-sectional area of the small triangular groove 611. The top of the small triangular groove 611 is provided with an oil injection hole 615, and one end of the oil injection hole 615 extends to the inner side of the small triangular groove 611. In this way, the two large triangular grooves 612 at both ends can store more lubricating grease. The two large triangular grooves 612 at both ends can quickly deliver the lubricating grease to the connecting rod head 63 at both ends through the inner delivery groove 67 of the connecting rod 62 during the movement of the rod body 61. The cross-sectional area of the small triangular groove 611 is small, so that the firmness of the middle part of the rod body 61 is better.

[0036] The two connecting grooves 613 are arranged symmetrically up and down. The inner side of the connecting groove 613 is in communication with the inner side of the small triangular groove 611 through the inner side of the large triangular groove 612. The top of the inner side of the connecting groove 613 is provided with a threaded groove 614 matched with the connecting rod 62. In this way, the connecting rod 62 can be installed or disassembled conveniently.

[0037] Workflow: the track telescopic mechanism for the multi-pass layer hoist is powered by an external power supply, the motor support 3 is used to support the motor 4, the transmission shaft of the motor 4 can drive the crank 5 to rotate, so that the crank 5 drives the wear-resistant connecting rod assembly 6 and the connecting block 7 to move forward and backward, at this time the movable frame 8 can move along the path of the multi-pass trolley track 2, before the operation, lubricating grease is injected into the inside of the rod body 61 through the oil injection hole 615, the lubricating grease is first injected into the small triangular groove 611 through the oil injection hole 615, and then the lubricating grease is transported to the large triangular groove 612 at both ends through the small triangular groove 611, the lubricating grease is stored in two sections, and the cross-sectional shape of the large triangular groove 612 is triangular, the triangular shape has good supporting stability, so that the rod body 61 is not easy to deform after being impacted, and at the same time the large triangular groove 612 at both ends can quickly transport the lubricating grease to the connecting rod heads 63 at both ends through the inside delivery groove 67 of the connecting rod 62 during the movement of the rod body 61, the connecting rod heads 63 at both ends correspond to the hinge of the crank 5 and the hinge of the connecting block 7 respectively, and better lubrication effect is provided, in this process, the inside lubricating grease is delivered to the surface of the bushing body 641 through the oil collection groove 65 to form an oil film on the surface of the bushing body 641 and the contact object, the symmetrical "Y" shaped guide groove 643 increases the flow path and coating area of the lubricating grease, compared with the traditional electric cylinder or ball screw plus motor structure, the uniformity and efficiency of lubrication are further improved, so as to reduce the failure rate caused by wear and tear, save maintenance and use cost, and improve the stability of the equipment.

[0038] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A track retraction mechanism for a multi-pass layer lifting machine comprising a stationary frame (1), characterized in that: The top of the fixed frame (1) is fixedly connected with a plurality of trolley tracks (2), the bottom of the fixed frame (1) is fixedly connected with a motor support (3), one side of the motor support (3) is provided with a motor (4), the other side of the motor support (3) is rotatably provided with a crank (5), the center of the crank (5) is fixedly connected with the transmission shaft of the motor (4), one end of the crank (5) is hingedly provided with a wear-resistant connecting rod assembly (6), one end of the wear-resistant connecting rod assembly (6) is hingedly provided with a connecting block (7), the upper side of the connecting block (7) is provided with a movable frame (8), the movable frame (8) is slidably arranged on the inner side of the plurality of trolley tracks (2). The wear-resistant connecting rod assembly (6) comprises a rod body (61), both ends of the rod body (61) are threadedly connected with a connecting rod (62), one end of the connecting rod (62) is fixedly connected with a connecting rod head (63), the inner side of the connecting rod head (63) is provided with a bushing mechanism (64), and an oil collecting groove (65) is formed in the connecting rod head (63). The bushing mechanism (64) comprises a bushing body (641), an oil outlet hole (642) and a guide groove (643) are formed in the surface of the bushing body (641), the guide grooves (643) are located at both ends of the oil outlet hole (642), and a connecting disc (644) is fixedly connected to one end of the bushing body (641) away from the crank (5).

2. A track retraction mechanism for a multi-pass layer lifting machine according to claim 1, wherein: A placing groove (66) matched with the connecting disc (644) is formed in one side of the connecting rod head (63), the connecting disc (644) is arranged on the inner side of the placing groove (66), the connecting rod head (63) and the connecting disc (644) are connected through a connecting bolt (645), and a conveying groove (67) is formed in the middle of the connecting rod (62).

3. A track retraction mechanism for a multi-pass layer lifting machine according to claim 1, wherein: A plurality of oil outlet holes (642) are formed, and the plurality of oil outlet holes (642) are equidistantly arranged in a circular arrangement, and the inner sides of the oil outlet holes (642) are in communication with the inner side of the oil collecting groove (65).

4. A track retraction mechanism for a multi-pass layer lifting machine according to claim 1, wherein: The cross section of the guide groove (643) is "Y" shaped, and every two guide grooves (643) are symmetrically arranged on the left and right sides with the oil outlet hole (642) as the center.

5. A track retraction mechanism for a multi-pass layer lifting machine according to claim 1, wherein: The inner side of the rod body (61) is provided with a small triangular groove (611), two large triangular grooves (612) and two connecting grooves (613), the small triangular groove (611) is located in the middle of the inner side of the rod body (61), the two large triangular grooves (612) are respectively located at both ends of the small triangular groove (611), and the two connecting grooves (613) are respectively located at the top end and the bottom end of the inner side of the rod body (61).

6. A track retraction mechanism for a multi-pass layer lifting machine according to claim 5, wherein: The cross section of the large triangular groove (612) is triangular, the cross section area of the large triangular groove (612) is 2.5 times that of the small triangular groove (611), an oil injection hole (615) is formed in the top of the small triangular groove (611), and one end of the oil injection hole (615) extends to the inner side of the small triangular groove (611).

7. A track retraction mechanism for a multi-pass layer lifting machine according to claim 5, wherein: Two said connecting grooves (613) are symmetrically arranged up and down, inner sides of the connecting grooves (613) are communicated with inner sides of the small triangular grooves (611) through inner sides of the large triangular grooves (612), and top portions of the inner sides of the connecting grooves (613) are provided with threaded grooves (614) matched with the connecting rods (62).

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