Buffer control structure for portal frame of stacking machine

By using a buffer assembly consisting of limit rods, elastic pads, damping blocks, springs, and rubber pads, combined with threaded rods and motors, the problems of unsatisfactory buffering effect of the forklift mast and fixed fork width are solved, achieving better buffering and adaptability, and improving the service life and working efficiency of the equipment.

CN223576049UActive Publication Date: 2025-11-21FUJIAN HAISHAN HEAVY IND CO LTD
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Patent Information

Application Number
CN202423174949.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-11-21
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

The existing forklift gantry buffer control structure has an unsatisfactory buffering effect, which causes vibration and impact to affect the stability of the equipment. In addition, the fixed width of the forks cannot be adjusted, making it unable to adapt to goods of different sizes and reducing work efficiency.

Method used

The system employs a buffer assembly consisting of limit rods, elastic pads, damping blocks, springs, and rubber pads, combined with forward and reverse threaded rods and a dual-axis output motor, to achieve fork width adjustment and multiple buffering effects.

Benefits of technology

It improves the buffering effect of the forklift gantry, avoids vibration and impact, adapts to goods of different sizes, and improves the service life and working efficiency of the equipment.

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Abstract

The utility model belongs to the technical field of stacker door frames, and particularly relates to a stacker door frame buffer control structure which comprises an outer door frame, a fixing block arranged on one side in the outer door frame, a sliding rod arranged at the bottom of the fixing block, a sliding sleeve arranged on the outer surface of the sliding rod, an inner door frame arranged on one side of the sliding sleeve, and a driving mechanism arranged on the back of the inner door frame. Buffering assemblies are arranged at the bottom of the inner door frame, and an adjusting frame is arranged below the front face of the inner door frame. Through mutual cooperation of the limiting rod, the elastic pad, the first damping block, the spring, the second damping block, the bottom plate and the rubber pad, the buffering effect of the stacking machine portal frame is improved, the problem that large vibration and impact are generated in the lifting process of the stacking machine portal frame is solved, and the service life of the stacking machine portal frame is prolonged. And through mutual cooperation of a moving groove, a forward threaded rod, a double-shaft output motor and a reverse threaded rod, the width between the pallet forks can be adjusted according to use requirements, and the problem that the size of the pallet forks is too small or too large in the use process is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of stacking machine portal, specifically is a kind of stacking machine portal buffer control structure. BACKGROUND

[0002] Empty container stacking machine is the key equipment of container transport, is widely used in port, wharf, railway highway transfer station and the stacking and transfer of empty container in yard, with the characteristics of high stacking layer, stacking and handling speed, operation efficiency, flexible, save space, etc., and the portal structure of stacking machine is the important structure of stacking and handling;

[0003] The existing patent number CN221027469U discloses a kind of stacking machine portal buffer control structure, including base, the upper surface of the base is fixedly installed with outer portal, the side of the outer portal is provided with sliding slot, the inner side wall of the sliding slot is slidably connected with lifting rod, the one end of the lifting rod is fixedly connected with inner portal, the side of the outer portal is fixedly connected with limit board, the inner side wall of the limit board is slidably connected with backing plate, the side of the backing plate is fixedly connected with spring, this stacking machine portal buffer control structure, by the cooperation of motor, transmission rod, damping shaft and transmission track, motor drives damping shaft to rotate by transmission rod when using, in turn drive the transmission track connected on it, to play the role of lifting portal, by the cooperation of lifting rod, backing plate and spring, lifting rod falls when using, contact connection has the backing plate of spring, to play the role of buffering falling.

[0004] Prior art has the following problems:

[0005] 1, the existing stacking machine portal buffer control structure, its buffering effect is not particularly ideal, this also leads to stacking machine portal in lifting process, prone to large vibration and impact, cause the stability of equipment, and accelerate mechanical component wear or aging problem, reduce the service life of equipment, unable to meet the use requirement;

[0006] 2, the existing stacking machine portal buffer control structure, the width between its fork is fixedly set, cannot be adjusted according to use requirement, this also leads to stacking machine portal in use process, prone to fork size too small, cause unable to adapt to large size goods, and fork size is too large, it can waste space, increase operation difficulty, reduce the efficiency of work, practicality is poor. INVENTION CONTENTS

[0007] The utility model provides a kind of buffer control structure of stacker portal, solve the buffer effect that exists today is not particularly ideal, and the width between fork is fixedly arranged, cannot be adjusted according to use requirement, which also leads to stacker portal in the process of use, it is easy to cause unable to adapt to larger size goods due to fork size too small, and fork size is too large, possibly waste space, increase the problem of operation difficulty.

[0008] To achieve the above object, the utility model provides the following technical scheme: a kind of buffer control structure of stacker portal, including outer portal, the fixed block is arranged in the inside one side of outer portal, the slide rod is arranged in the bottom of fixed block, the slide sleeve is arranged on the outer surface of slide rod, the inner portal is arranged in the one side of slide sleeve, the drive mechanism is arranged in the back of inner portal, the buffer assembly is arranged in the bottom of inner portal, the adjusting frame is arranged below the front of inner portal, the moving slot is opened in the one side of the front of adjusting frame, the connecting block is arranged in the inside of moving slot, the moving seat is arranged in the back of connecting block, the forward screw rod is arranged in the inside of moving seat, the bearing seat is arranged in the one end of forward screw rod, the double-shaft output motor is arranged in the other end of forward screw rod, the reverse screw rod is arranged in the one side of double-shaft output motor, the fork is arranged in the front of connecting block.

[0009] As a preferred technical scheme of the utility model, the buffer assembly includes buffer frame, the buffer frame is internally provided with a limiting rod, a spring pad is arranged above the outer surface of the limiting rod, a first damping block is arranged below the spring pad, a spring is arranged below the first damping block, a second damping block is arranged below the spring, and a bottom plate is arranged below the second damping block.

[0010] As a preferred technical scheme of the utility model, the limiting rod is installed on the buffer frame through fixed connection, the number of limiting rods is four groups, the four groups of limiting rods are arranged in a rectangular shape, and the bottom plate is slidably connected with the outer surface of the limiting rod.

[0011] As a preferred technical scheme of the utility model, the spring pad is installed on the buffer frame through adhesive connection, and the spring pad is specifically made of silica gel.

[0012] As a preferred technical scheme of the utility model, the top end of the spring is fixedly connected with the first damping block, the bottom end of the spring is fixedly connected with the second damping block, and the first damping block and the second damping block are both slidably connected with the outer surface of the limiting rod.

[0013] As a preferred technical scheme of the utility model, the number of the mobile seats is two groups, the two groups of mobile seats are all installed on the corresponding threaded rods through threaded connection, the mobile seat is integrally arranged with the connecting block, and the connecting block is slidably connected with the inner wall of the mobile groove.

[0014] As a preferred technical scheme of the utility model, the forward threaded rod and the reverse threaded rod are both installed on the corresponding bearing seats through rotary connection, and the size of the forward threaded rod is matched with the size of the reverse threaded rod.

[0015] Compared with the prior art, the utility model provides a kind of buffer control structure of stacker portal, with the following beneficial effects:

[0016] 1、This kind of buffer control structure of stacker portal, by setting limit rod, elastic pad, first damping block, spring, second damping block, bottom plate and rubber pad, in the process of falling, first through inner portal falls on rubber pad, play the role of protecting equipment damage, then through the vertical displacement of bottom plate along limit rod extrusion second damping block, in turn drive second damping block extrusion spring, first damping block extrusion elastic pad, simultaneously by spring and elastic pad extrusion deformation, can play the role of multiple buffering, to weaken and slow down the vibration and impact generated by falling, in turn improve the buffering effect of stacker portal, this kind of design avoids the problem that stacker portal generates larger vibration and impact in the process of lifting, improves the service life of equipment, satisfies use requirement.

[0017] 2、This kind of buffer control structure of stacker portal, by setting mobile groove, forward threaded rod, double-shaft output motor and reverse threaded rod, when needing to adjust the width between forks, can be started double-shaft output motor, drive forward threaded rod and reverse threaded rod synchronous rotation, then through the rotation of forward threaded rod and reverse threaded rod, respectively drive corresponding fork, along mobile groove mutually close or far away, i.e. the width adjustment operation between forks can be completed, this kind of design makes that the width between forks can be adjusted according to use requirement, avoids the problem that stacker portal appears fork size too small or too large in the process of use, improves the efficiency of work, and practicality is stronger. ACCURACY OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram of the utility model;

[0019] Figure 2 It is rear view structure schematic diagram of the utility model;

[0020] Figure 3 It is cross section structure schematic diagram of the utility model buffer frame;

[0021] Figure 4 It isFigure 3 Enlarged view of the structure at A;

[0022] Figure 5 The cross-sectional structure of the adjusting frame of the utility model is shown in the figure.

[0023] In the figure: 1, outer gantry; 2, fixed block; 3, sliding rod; 4, sliding sleeve; 5, inner gantry; 6, driving mechanism; 7, buffer assembly; 701, buffer frame; 702, limiting rod; 703, elastic pad; 704, first damping block; 705, spring; 706, second damping block; 707, bottom plate; 708, rubber pad; 8, adjusting frame; 9, moving groove; 10, connecting block; 11, moving seat; 12, forward threaded rod; 13, bearing seat; 14, double-shaft output motor; 15, reverse threaded rod; 16, fork. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] With reference to Figure 1 , Figure 2 and Figure 5 , the utility model provides an embodiment: a kind of stacker gantry buffer control structure, including outer gantry 1, and one side of fixed block 2 is arranged in the inside of outer gantry 1, and sliding rod 3 is arranged in the bottom of fixed block 2, and sliding sleeve 4 is arranged on the outer surface of sliding rod 3, and inner gantry 5 is arranged in the side of sliding sleeve 4, and driving mechanism 6 is arranged in the back of inner gantry 5, and buffer assembly 7 is arranged in the bottom of inner gantry 5, and adjusting frame 8 is arranged below the front of inner gantry 5, and moving groove 9 is opened in the side of the front of adjusting frame 8, and connecting block 10 is arranged in moving groove 9, and moving seat 11 is arranged in the back of connecting block 10, and forward threaded rod 12 is arranged in the inside of moving seat 11, and bearing seat 13 is arranged in the one end of forward threaded rod 12, and double-shaft output motor 14 is arranged in the other end of forward threaded rod 12, and reverse threaded rod 15 is arranged in the side of double-shaft output motor 14, and fork 16 is arranged in the front of connecting block 10;The number of moving seat 11 has two groups, and two groups of moving seat 11 are all installed on the threaded rod corresponding thereto by thread connection, and moving seat 11 and connecting block 10 are integrally arranged, and connecting block 10 and moving groove 9 inner wall are slidably connected;

[0026] Specifically: it is convenient to rotate forward threaded rod 12 and reverse threaded rod 15 respectively, and drive corresponding fork 16, and the width adjustment operation between fork 16 can be completed by moving groove 9 mutually close or far away.

[0027] With reference to Figure 2 , Figure 3 and Figure 4 , the buffer assembly 7 comprises a buffer frame 701, a limiting rod 702 is arranged inside the buffer frame 701, a elastic pad 703 is arranged above the outer surface of the limiting rod 702, a first damping block 704 is arranged below the limiting rod 702, a spring 705 is arranged below the first damping block 704, a second damping block 706 is arranged below the spring 705, a bottom plate 707 is arranged below the second damping block 706, and a rubber pad 708 is arranged in the middle of the top of the bottom plate 707; the limiting rod 702 is installed on the buffer frame 701 through fixed connection, there are four groups of limiting rods 702, the four groups of limiting rods 702 are arranged in a rectangular shape, and the bottom plate 707 is in sliding connection with the outer surface of the limiting rod 702;

[0028] Specifically: the limiting rod 702 is convenient for limiting the bottom plate 707, thereby improving the stability of the vertical displacement of the bottom plate 707.

[0029] With reference to Figure 2 , Figure 3 and Figure 4 , the elastic pad 703 is installed on the buffer frame 701 through adhesive connection, and the elastic pad 703 is specifically made of silica gel; the top end of the spring 705 is fixedly connected with the first damping block 704, the bottom end of the spring 705 is fixedly connected with the second damping block 706, and the first damping block 704 and the second damping block 706 are in sliding connection with the outer surface of the limiting rod 702;

[0030] Specifically: the spring 705 and the elastic pad 703 can be deformed under extrusion, which can play a multiple buffering role, so as to weaken and slow down the vibration and impact generated by falling, thereby improving the buffering effect of the portal frame of the pile high machine.

[0031] With reference to Figure 5 , the forward threaded rod 12 and the reverse threaded rod 15 are both installed on the bearing seat 13 corresponding thereto through rotating connection, and the size of the forward threaded rod 12 is matched with the size of the reverse threaded rod 15;

[0032] Specifically: the forward threaded rod 12 and the reverse threaded rod 15 are convenient for supporting and limiting, thereby improving the stability of the rotation of the forward threaded rod 12 and the reverse threaded rod 15.

[0033] It should be noted that: (the driving mechanism 6 and the double-shaft output motor 14) are both known or can be known by the professionals in the related technical field, so they are not described here.

[0034] The working principle and use process of the utility model: in the descending process, first through the inner door frame 5 falls on the rubber pad 708, plays the role of preventing equipment damage, then through the bottom plate 707 along the buffer frame 701 on the limiting rod 702 vertical displacement extrusion second damping block 706, and then drive second damping block 706 extrusion spring 705, first damping block 704 extrusion elastic pad 703, simultaneously through the spring 705 and elastic pad 703 in the buffer assembly 7 are extruded deformation, can play the role of multiple buffering, in order to weaken and slow down the vibration and impact generated by falling, and then improve the buffering effect of the stacker crane portal;

[0035] When the width between the forks 16 needs to be adjusted, the double-shaft output motor 14 in the adjusting frame 8 can be started to drive the forward threaded rod 12 and the reverse threaded rod 15 to rotate synchronously, and then the rotation of the forward threaded rod 12 and the reverse threaded rod 15 drives the forks 16 on the corresponding moving seats 11 to move closer to or away from each other along the moving grooves 9, that is, the width adjustment operation between the forks 16 can be completed.

[0036] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A buffer control structure for a portal of a reach stacker, comprising an outer portal (1), characterized in that: The outer door frame (1) is provided with a fixed block (2) on one side, the bottom of the fixed block (2) is provided with a sliding rod (3), the outer surface of the sliding rod (3) is provided with a sliding sleeve (4), one side of the sliding sleeve (4) is provided with an inner door frame (5), the back of the inner door frame (5) is provided with a driving mechanism (6), the bottom of the inner door frame (5) is provided with a buffer assembly (7), the front of the inner door frame (5) is provided with an adjusting frame (8), one side of the front of the adjusting frame (8) is provided with a moving groove (9), the moving groove (9) is provided with a connecting block (10) inside, the back of the connecting block (10) is provided with a moving seat (11), the inside of the moving seat (11) is provided with a positive screw rod (12), one end of the positive screw rod (12) is provided with a bearing seat (13), the other end of the positive screw rod (12) is provided with a double-shaft output motor (14), one side of the double-shaft output motor (14) is provided with a reverse screw rod (15), the front of the connecting block (10) is provided with a fork (16).

2. The buffer control structure of the portal of a reach stacker according to claim 1, characterized in that: The buffer assembly (7) comprises a buffer frame (701), the buffer frame (701) is provided with a limiting rod (702) inside, the outer surface of the limiting rod (702) is provided with an elastic pad (703) above, the limiting rod (702) is provided with a first damping block (704) below the elastic pad (703), the limiting rod (702) is provided with a spring (705) below the first damping block (704), the limiting rod (702) is provided with a second damping block (706) below the spring (705), and the limiting rod (702) is provided with a bottom plate (707) below the second damping block (706). The bottom plate (707) is provided with a rubber pad (708) in the middle of the top.

3. The buffer control structure of the portal of a reach stacker according to claim 2, characterized in that: The limiting rod (702) is installed on the buffer frame (701) by fixed connection, the number of the limiting rod (702) is four groups, the four groups of limiting rods (702) are arranged in a rectangular shape, and the bottom plate (707) is slidably connected with the outer surface of the limiting rod (702).

4. The buffer control structure of the portal of a reach stacker according to claim 2, characterized in that: The elastic pad (703) is installed on the buffer frame (701) by adhesive connection, and the elastic pad (703) is made of silica gel.

5. The buffer control structure of the portal of a reach stacker according to claim 2, characterized in that: The top end of the spring (705) is fixedly connected with the first damping block (704), the bottom end of the spring (705) is fixedly connected with the second damping block (706), and the first damping block (704) and the second damping block (706) are slidably connected with the outer surface of the limiting rod (702).

6. The buffer control structure of a portal frame of a stacker according to claim 1, characterized in that: The number of the moving seat (11) is two groups, the moving seat (11) is installed on the corresponding threaded rod by threaded connection, the moving seat (11) is integrally arranged with the connecting block (10), and the connecting block (10) is slidably connected with the inner wall of the moving groove (9).

7. The buffer control structure of a portal frame of a stacker according to claim 1, characterized in that: The positive screw rod (12) and the reverse screw rod (15) are installed on the corresponding bearing seat (13) by rotary connection, and the size of the positive screw rod (12) is matched with the size of the reverse screw rod (15).

Citation Information

Patent Citations

  • Buffer control structure for portal frame of stacking machine

    CN221027469U