CN116677307A

CN116677307A - Movable wharf ladder convenient to disassemble, assemble and maintain

Info

Publication number: CN116677307A
Application number: CN202310585341.9A
Authority: CN
Inventors: 王世东; 俞苏恒; 王丽; 王小萌
Original assignee: Jiangsu Shenli Ship Equipment Co ltd
Current assignee: Jiangsu Shenli Ship Equipment Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-09-01

Abstract

The invention discloses a movable wharf ladder convenient to disassemble, assemble and maintain, which comprises a first ladder, wherein a limit column is fixed at the top of a movable plate, a jack is arranged on the limit column, a locking mechanism is movably connected in the first ladder, an electric telescopic rod is fixed at the bottom of a second ladder, a third ladder is fixed at the bottom of the electric telescopic rod, and a second cushion block is fixed at the bottom of the third ladder. This movable pier ladder convenient to dismouting maintenance, collocation use first round gear and lead screw can drive sleeve, the whole downwardly moving of movable plate, conveniently descend the gyro wheel, collocation use swivel, stripper plate and top pushing block can extrude movable block and bolt and remove, the bolt is finally inserted in the jack, conveniently reach the effect of locking, the gyro wheel can assist the device to remove, be detachable structure between movable plate and the sleeve, can unscrew the bolt and pull down movable plate, gyro wheel and spacing post when the gyro wheel breaks down, convenient maintenance, and reducible replacement cost.

Description

Movable wharf ladder convenient to disassemble, assemble and maintain

Technical Field

The invention relates to the technical field of ships, in particular to a movable wharf ladder convenient to assemble, disassemble and maintain.

Background

With the rapid development of global economic trade integration in recent years, the sea traffic of passengers and goods has a rapid trend in the global scope, so that various wharf supporting facilities are also generated for each large passenger-goods wharf, wherein a wharf ladder is arranged on a wharf elevation for a crew of a small ship and a wharf maintenance staff to go up and down the wharf.

The existing wharf ladder is not provided with rollers generally, the wharf ladder is heavier, the moving and carrying are difficult, if the wharf ladder is carried by using a crane, the carrying cost is high, the length of the wharf ladder is generally fixed, and the length of the cat ladder is difficult to flexibly adjust according to specific requirements, so that the movable wharf ladder convenient to disassemble, assemble and maintain is provided, and the problems are solved.

Disclosure of Invention

The invention aims to provide a movable wharf ladder convenient to disassemble, assemble and maintain, which aims to solve the problems that the conventional wharf ladder provided in the background art is not provided with rollers, the wharf ladder is heavy and difficult to move and carry, if the wharf ladder is carried by a crane, the carrying cost is high, the length of the wharf ladder is generally fixed, and the length of a crawling ladder is difficult to flexibly adjust according to specific requirements.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a movable pier ladder convenient to dismouting maintenance, includes first cat ladder, the bottom of first cat ladder is fixed with first cushion, the top of first cat ladder is rotated through the pivot and is connected with the second cat ladder, one side of first cat ladder is fixed with the brace table, the second cat ladder is taken up on the brace table, accomodate the groove has been seted up to the bottom of first cat ladder, accomodate inslot swing joint has drive elevating system, drive elevating system's bottom threaded connection has the sleeve, telescopic bottom has the movable plate through the bolt fastening, the bottom of movable plate is fixed with the gyro wheel, the top of movable plate is fixed with spacing post, the jack has been seted up on the spacing post, swing joint has locking mechanical system in the first cat ladder, the bottom of second cat ladder is fixed with electric telescopic handle, electric telescopic handle's bottom is fixed with the third cat ladder, the bottom of third cat ladder is fixed with the second cushion.

Preferably, the driving lifting mechanism comprises a first motor and a swivel, the first motor is fixed in the storage groove, the bottom of the first motor is connected with an incomplete gear, one side of the incomplete gear is connected with a first round gear in a meshed mode, the bottom of the first round gear is fixed with a screw rod, the outer side of the screw rod is in threaded connection with a sleeve, the swivel is rotationally connected in an annular sliding groove, the annular sliding groove is arranged in a first ladder, a first rack is fixed on the inner wall of the swivel, the first racks are distributed on the swivel at equal intervals, and the bottom of the swivel is fixed with a squeezing plate.

By adopting the technical scheme, the first circular gear can be driven to rotate by anticlockwise rotation of the first circular gear, and the rotary ring can be driven to rotate sequentially, so that the roller can be lowered firstly and then the moving plate can be locked.

Preferably, the extrusion plates are arranged in four ways, and the four extrusion plates are distributed on the swivel in a central symmetry way.

By adopting the technical scheme, the extrusion plate plays a role in extruding the movable column.

Preferably, the locking mechanism comprises a movable column and a movable block, the movable column is slidably connected in the first ladder stand, the movable column is attached to the bottom of the swivel, the movable column is arranged in one-to-one correspondence with the extrusion plate, the pushing block is fixed at the bottom of the movable column, the movable block is slidably connected in the first ladder stand, and the movable block is attached to the bottom of the pushing block.

By adopting the technical scheme, the movable column can move downwards when being extruded by the extrusion plate, so that the pushing block is driven to move, and the pushing block can push away the movable block.

Preferably, the movable block is connected with the first ladder stand through a compression spring, a bolt is fixed on the outer side of the movable block, and the compression spring is wrapped on the outer side of the bolt.

Through adopting above-mentioned technical scheme, the bolt receives and extrudees and insert in the jack back lockable spacing post.

Preferably, the third cat ladder forms the extending structure through electric telescopic link and second cat ladder, the bottom of second cat ladder is fixed with the sleeve plate, the third cat ladder runs through the sleeve plate.

Through adopting above-mentioned technical scheme, the third cat ladder is scalable, conveniently prolongs the second cat ladder.

Preferably, the groove is arranged in the top of the first ladder stand, the second motor is fixed in the groove, the output end of the second motor is connected with the second circular gear, the rotating shaft penetrates through the first ladder stand and is connected with the second ladder stand, the second rack is fixed on the outer side of the rotating shaft, the second rack is meshed with and connected to one side of the second circular gear, and the second rack is circumferentially and uniformly distributed on the rotating shaft.

Through adopting above-mentioned technical scheme, the rotation of second circular gear can drive the pivot rotation, conveniently overturns the second cat ladder.

Preferably, the armrests are symmetrically fixed on two sides of the upper end face of the first crawling ladder and two sides of the upper end face of the second crawling ladder.

By adopting the technical scheme, the handrail can assist people in climbing stairs.

Preferably, a battery pack is fixed in the first ladder, and the battery pack is electrically connected with a first motor, a second motor and an electric telescopic rod.

By adopting the technical scheme, the battery pack can supply power for the whole device.

Compared with the prior art, the invention has the beneficial effects that: the movable wharf ladder convenient to disassemble, assemble and maintain,

(1) The invention can realize the purposes of convenient movement, disassembly and maintenance, the incomplete gear can drive the first circular gear and the swivel to rotate successively, the first circular gear and the screw rod can drive the sleeve and the movable plate to move downwards integrally in combination, the rolling wheel is convenient to lower, the movable block and the bolt can be extruded to move in combination by the swivel, the extruding plate and the pushing block, the bolt is finally inserted into the jack, the locking effect is convenient to achieve, the rolling wheel can assist the device to move, the movable plate and the sleeve are of a detachable structure, and when the rolling wheel breaks down, the bolt can be unscrewed to detach the movable plate, the rolling wheel and the limiting column, the maintenance is convenient, and the replacement cost can be reduced.

(2) The telescopic ladder can achieve the telescopic effect, the third ladder can move under the extension action of the electric telescopic rod, the second ladder can be conveniently prolonged, and meanwhile the extension length of the third ladder can be adjusted according to requirements.

(3) The invention can realize the overturning effect, the second ladder is required to be overturned before the roller is used for moving the device, the roller is used for moving the device to a required place, and the second ladder can be overturned after the roller is retracted to stabilize the device.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic diagram of the front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;

FIG. 5 is a schematic view of the connection structure of the first ladder, the receiving groove, the incomplete gear, the first round gear, the swivel and the first rack;

FIG. 6 is a schematic view of the connection structure of the first ladder, the first pad, the receiving groove, the moving plate, the bolt and the roller;

fig. 7 is a schematic view showing the connection structure of the swivel, the first rack and the pressing plate according to the present invention.

In the figure: 1. a first ladder; 2. a first pad; 3. a storage groove; 4. driving the lifting mechanism; 401. a first motor; 402. an incomplete gear; 403. a first circular gear; 404. a screw rod; 405. a swivel; 406. an annular chute; 407. a first rack; 408. an extrusion plate; 5. a sleeve; 6. a moving plate; 7. a bolt; 8. a roller; 9. a limit column; 10. a jack; 11. a locking mechanism; 1101. a movable column; 1102. pushing blocks; 1103. a movable block; 1104. a compression spring; 1105. a plug pin; 12. a groove; 13. a second motor; 14. a second circular gear; 15. a rotating shaft; 16. a second rack; 17. a second ladder; 18. a support table; 19. an armrest; 20. an electric telescopic rod; 21. a third ladder stand; 22. a sleeve plate; 23. a second cushion block; 24. a battery pack.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a movable pier ladder convenient to dismouting maintenance, as shown in fig. 1 and 3, including first cat ladder 1, the bottom of first cat ladder 1 is fixed with first cushion 2, the top of first cat ladder 1 is connected with second cat ladder 17 through pivot 15 rotation, set up flutedly 12 in the top of first cat ladder 1, and be fixed with second motor 13 in the recess 12, the output of second motor 13 is connected with second round gear 14, pivot 15 runs through first cat ladder 1 and is connected with second cat ladder 17, and the outside of pivot 15 is fixed with second rack 16, second rack 16 meshing is connected in one side of second round gear 14, and second rack 16 circumference evenly distributed is in pivot 15, second round gear 14 can rotate under the effect of second motor 13, because second round gear 14 is in the same place with second rack 16 meshing, pivot 15 can rotate along with the rotation of second round gear 14, thereby drive second cat ladder 17 rotation, need to turn up second cat ladder 17 before moving the device, can rotate second cat ladder 17 after the device.

As shown in fig. 1, 2 and 3, a supporting table 18 is fixed on one side of the first ladder stand 1, the second ladder stand 17 is placed on the supporting table 18, handrails 19 are symmetrically fixed on two sides of the upper end face of the first ladder stand 1 and two sides of the upper end face of the second ladder stand 17, the handrails 19 can be held in the process of climbing the first ladder stand 1 and the second ladder stand 17, and the auxiliary ladder stand is convenient.

As shown in fig. 1, fig. 4, fig. 5 and fig. 7, storage groove 3 has been seted up to the bottom of first cat ladder 1, storage groove 3 internal activity connection has drive elevating system 4, drive elevating system 4 includes first motor 401 and swivel 405, and first motor 401 is fixed in storage groove 3, the bottom of first motor 401 is connected with incomplete gear 402, and one side meshing of incomplete gear 402 is connected with first round gear 403, the bottom of first round gear 403 is fixed with lead screw 404, and the outside threaded connection of lead screw 404 has sleeve 5, swivel 405 rotates and connects in annular spout 406, and annular spout 406 is seted up in first cat ladder 1, be fixed with first rack 407 on the inner wall of swivel 405, and first rack 407 equidistant distribution is on swivel 405, the bottom of swivel 405 is fixed with squeeze plate 408, incomplete gear 402 can rotate under the effect of first motor 401, thereby drive first round gear 403 rotation, this drive 404 rotation, the spacing effect that this moment can be in lead screw 404 and storage groove 3 is fixed with lead screw 404, thereby the up-down slide plate 6, thereby can conveniently move down in the annular spout 405 and the jack 8 can be reached, the jack 8 is moved down, and stop joint is realized, and jack 8 is moved completely, and jack 8 is moved along with the swivel 405 is completely, jack 8 is moved, and jack 8 is moved, jack 8 is moved completely, and is moved down, and is convenient.

Further, four squeeze plates 408 are provided, and the four squeeze plates 408 are distributed on the swivel 405 in a central symmetry manner, and each squeeze plate 408 can be used to squeeze one movable column 1101, so that the four movable columns 1101 can move downward at the same time.

As shown in fig. 1, fig. 4 and fig. 6, the bottom of the driving lifting mechanism 4 is connected with a sleeve 5 in a threaded manner, the bottom of the sleeve 5 is fixed with a moving plate 6 through a bolt 7, the bottom of the moving plate 6 is fixed with a roller 8, the top of the moving plate 6 is fixed with a limiting column 9, a jack 10 is formed in the limiting column 9, a locking mechanism 11 is movably connected in the first ladder 1, the locking mechanism 11 comprises a movable column 1101 and a movable block 1103, the movable column 1101 is slidably connected in the first ladder 1, the movable column 1101 is attached to the bottom of the swivel 405, the movable column 1101 and the extrusion plate 408 are arranged in a one-to-one correspondence manner, the bottom of the movable column 1101 is fixed with a pushing block 1102, the movable block 1103 is slidably connected in the first ladder 1, the movable block 1103 is attached to the bottom of the pushing block 1102, after the moving plate 6 is lowered, the swivel 405 rotates along with the rotation of the incomplete gear 402, the movable column 1101 moves downwards under the extrusion action of the extrusion plate 408, and the pushing block 1102 moves downwards along with the rotation of the incomplete gear 402, and the movable block 1103 is convenient to open the movable block.

Further, the movable block 1103 is connected with the first ladder 1 through the compression spring 1104, the plug 1105 is fixed on the outer side of the movable block 1103, the compression spring 1104 wraps the outer side of the plug 1105, after the movable block 1103 is jacked up by the pushing block 1102, the plug 1105 moves along with the movable block 1103 and finally is inserted into the jack 10, the limiting post 9 is conveniently locked, and after the swivel 405 rotates, the movable block 1103 can automatically reset under the action of the compression spring 1104.

As shown in fig. 1 and 2, the bottom of second cat ladder 17 is fixed with electric telescopic handle 20, the bottom of electric telescopic handle 20 is fixed with third cat ladder 21, the bottom of third cat ladder 21 is fixed with second cushion 23, third cat ladder 21 constitutes the extending structure through electric telescopic handle 20 and second cat ladder 17, the bottom of second cat ladder 17 is fixed with bushing 22, third cat ladder 21 runs through bushing 22, third cat ladder 21 can be moved under electric telescopic handle 20's extension effect, conveniently lengthen second cat ladder 17, electric telescopic handle 20 shrink can pack up third cat ladder 21, conveniently accomodate, bushing 22 plays the effect of supporting spacing to third cat ladder 21.

As shown in fig. 1, a battery pack 24 is fixed in the first ladder 1, and the battery pack 24 is electrically connected with the first motor 401, the second motor 13 and the electric telescopic rod 20, and the battery pack 24 can change direct current into alternating current for the whole device under the action of an inverter, so that the normal operation of the device is ensured.

Working principle: when the movable wharf ladder convenient to disassemble, assemble and maintain is used, the second round gear 14 rotates, thereby driving the rotating shaft 15 to rotate, thereby turning up the second ladder 17, then the incomplete gear 402 rotates, the incomplete gear 402 drives the first round gear 403 to rotate first round gear 403, the screw 404 rotates, thereby driving the sleeve 5, the movable plate 6, the roller 8 and the limit column 9 to move wholly downwards, after the roller 8 contacts the ground and jacks up the first cushion block 2, the jack 10 corresponds to the plug pin 1105, the incomplete gear 402 drives the swivel 405 to rotate again, the movable column 1101 is extruded by the extrusion plate 408 to move downwards, the movable block 1103 moves under the extrusion action of the pushing block 1102, the plug pin 1105 is inserted into the corresponding jack 10, thereby locking the movable plate 6, after the device is moved to a required place by the roller 8, the operation is reversely repeated, thereby retracting the roller 8 stabilizes the device, simultaneously, the second ladder 17 can be turned down, the third ladder 21 can move under the extension action of the electric telescopic rod 20, the usable length of the third ladder 21 is convenient to adjust according to requirements, the second cushion block 23 plays a role of the third cushion block 21, and the technical field of the prior art is not described in detail in the prior art.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present invention.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. The utility model provides a movable pier ladder convenient to dismouting maintenance, includes first cat ladder (1), the bottom of first cat ladder (1) is fixed with first cushion (2), the top of first cat ladder (1) is connected with second cat ladder (17) through pivot (15) rotation, one side of first cat ladder (1) is fixed with brace table (18), second cat ladder (17) are taken and are put on brace table (18), its characterized in that: the utility model discloses a novel ladder, including first cat ladder, second cat ladder, jack (10) have been seted up to the bottom of first cat ladder (1), accomodate groove (3) in swing joint have drive elevating system (4), the bottom threaded connection of drive elevating system (4) has sleeve (5), the bottom of sleeve (5) is fixed with movable plate (6) through bolt (7), the bottom of movable plate (6) is fixed with gyro wheel (8), the top of movable plate (6) is fixed with spacing post (9), jack (10) have been seted up on spacing post (9), swing joint has locking mechanical system (11) in first cat ladder (1), the bottom of second cat ladder (17) is fixed with electric telescopic handle (20), the bottom of electric telescopic handle (20) is fixed with third cat ladder (21), the bottom of third cat ladder (21) is fixed with second cushion (23).

2. The mobile dock ladder of claim 1, wherein the mobile dock ladder is easy to assemble, disassemble and maintain, and is characterized in that: the driving lifting mechanism (4) comprises a first motor (401) and a swivel (405), the first motor (401) is fixed in the accommodating groove (3), the bottom of the first motor (401) is connected with an incomplete gear (402), one side of the incomplete gear (402) is connected with a first round gear (403) in a meshed mode, the bottom of the first round gear (403) is fixed with a screw rod (404), the outer side of the screw rod (404) is in threaded connection with a sleeve (5), the swivel (405) is rotationally connected in an annular chute (406), the annular chute (406) is arranged in the first crawling ladder (1), a first rack (407) is fixed on the inner wall of the swivel (405), the first racks (407) are distributed on the swivel (405) at equal intervals, and the bottom of the swivel (405) is fixed with a squeezing plate (408).

3. The mobile dock ladder of claim 2, wherein the mobile dock ladder is easy to assemble, disassemble and maintain, and is characterized in that: four squeeze plates (408) are arranged, and the four squeeze plates (408) are distributed on the swivel (405) in a central symmetry mode.

4. The mobile dock ladder of claim 2, wherein the mobile dock ladder is easy to assemble, disassemble and maintain, and is characterized in that: the locking mechanism (11) comprises a movable column (1101) and a movable block (1103), the movable column (1101) is slidably connected in the first crawling ladder (1), the movable column (1101) is attached to the bottom of the swivel (405), the movable column (1101) is arranged in one-to-one correspondence with the extrusion plates (408), the pushing block (1102) is fixed to the bottom of the movable column (1101), the movable block (1103) is slidably connected in the first crawling ladder (1), and the movable block (1103) is attached to the bottom of the pushing block (1102).

5. The mobile dock ladder of claim 4, wherein the mobile dock ladder is easy to assemble, disassemble and maintain, and is characterized in that: the movable block (1103) is connected with the first ladder (1) through a compression spring (1104), a plug pin (1105) is fixed on the outer side of the movable block (1103), and the compression spring (1104) wraps the outer side of the plug pin (1105).

6. The mobile dock ladder of claim 1, wherein the mobile dock ladder is easy to assemble, disassemble and maintain, and is characterized in that: the third cat ladder (21) and the second cat ladder (17) form a telescopic structure through the electric telescopic rod (20), a sleeve plate (22) is fixed at the bottom of the second cat ladder (17), and the third cat ladder (21) penetrates through the sleeve plate (22).

7. The mobile dock ladder of claim 1, wherein the mobile dock ladder is easy to assemble, disassemble and maintain, and is characterized in that: the novel ladder is characterized in that a groove (12) is formed in the top of the first ladder (1), a second motor (13) is fixed in the groove (12), the output end of the second motor (13) is connected with a second round gear (14), a rotating shaft (15) penetrates through the first ladder (1) and is connected with a second ladder (17), a second rack (16) is fixed on the outer side of the rotating shaft (15), the second rack (16) is connected to one side of the second round gear (14) in a meshed mode, and the second racks (16) are evenly distributed on the rotating shaft (15) in the circumferential direction.

8. The mobile dock ladder of claim 1, wherein the mobile dock ladder is easy to assemble, disassemble and maintain, and is characterized in that: armrests (19) are symmetrically fixed on two sides of the upper end face of the first crawling ladder (1) and two sides of the upper end face of the second crawling ladder (17).

9. The mobile dock ladder of claim 2, wherein the mobile dock ladder is easy to assemble, disassemble and maintain, and is characterized in that: the first ladder (1) is internally fixed with a battery pack (24), and the battery pack (24) is electrically connected with a first motor (401), a second motor (13) and an electric telescopic rod (20).