CN115159190B - Lifting device for fixed hoisting bridge - Google Patents

Lifting device for fixed hoisting bridge Download PDF

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Publication number
CN115159190B
CN115159190B CN202211081427.XA CN202211081427A CN115159190B CN 115159190 B CN115159190 B CN 115159190B CN 202211081427 A CN202211081427 A CN 202211081427A CN 115159190 B CN115159190 B CN 115159190B
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Prior art keywords
plate
bridge
bridge plate
frame
hydraulic cylinder
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CN202211081427.XA
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CN115159190A (en
Inventor
林兵
高学清
高伟
徐召
姚明
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Shandong Maixiner Intelligent Technology Co ltd
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Shandong Maixiner Intelligent Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/28Loading ramps; Loading docks
    • B65G69/30Non-permanently installed loading ramps, e.g. transportable
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
    • F16F15/085Use of both rubber and metal springs

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The invention provides a lifting device for a fixed hoisting bridge, which comprises a transverse underframe, a longitudinal fixing plate, a side supporting frame and a bridge plate, wherein the longitudinal fixing plate is welded on the right side of the upper part of the transverse underframe; the side supporting frames are welded on the front side and the rear side of the upper part of the transverse underframe; the bridge plate is coupled to the upper left side of the longitudinal fixing plate, and the hydraulic cylinder is coupled to the left side of the middle upper portion of the transverse underframe, and the upper portion of the hydraulic cylinder is coupled to the middle lower portion of the bridge plate; a hydraulic pump is mounted on the left bolt on the upper part of the transverse underframe, and the hydraulic pump is connected with a hydraulic cylinder pipeline; a buffer anti-collision frame structure is arranged on the left side of the side supporting frame; the left side of the lower part of the bridge plate is glued with a rubber protection pad. The invention utilizes the support rod to play a good supporting role for the bridge plate, so that the hydraulic cylinder can not be in a working state for a long time during working.

Description

Lifting device for fixed hoisting bridge
Technical Field
The invention belongs to the technical field of lifting devices of lifting bridges, and particularly relates to a lifting device for a fixed lifting bridge.
Background
The fixed hoisting bridge is an auxiliary tool for loading and unloading goods on a warehouse platform, and has the function of adjusting the height difference between the platform and a carriage, so that a forklift can stably enter the carriage through the Lu Long fixed hoisting bridge, the table top of the fixed hoisting bridge with the size of a dimension is recommended to be used, the problem that the platform is too small to cause the vertical stiffness of a large-gradient forklift is avoided, a hydraulic cylinder is needed to be used for lifting the height of a bridge plate for the purpose of being attached to the carriage, and the problems that the service life of the hydraulic cylinder is easily influenced and the stability is poor when the bridge plate is overlapped to an external vehicle due to the fact that the hydraulic cylinder is used for supporting the bridge plate for a long time in the prior art are solved.
Disclosure of Invention
In order to solve the technical problems, the invention provides a lifting device for a fixed hoisting bridge, which is simple in structure, can stably support a bridge plate after being adjusted to a certain height, can reduce pressure loss on a hydraulic cylinder while ensuring stability, and greatly prolongs the service life of the hydraulic cylinder.
The technical scheme is as follows: a lifting device for a fixed hoisting bridge comprises a transverse underframe, a longitudinal fixing plate, a side supporting frame and a bridge plate, wherein the longitudinal fixing plate is welded on the right side of the upper part of the transverse underframe; the side supporting frames are welded on the front side and the rear side of the upper part of the transverse underframe; the bridge plate is coupled to the upper left side of the longitudinal fixing plate, and the hydraulic cylinder is coupled to the left side of the middle upper portion of the transverse underframe, and the upper portion of the hydraulic cylinder is coupled to the middle lower portion of the bridge plate; a hydraulic pump is mounted on the left bolt on the upper part of the transverse underframe, and the hydraulic pump is connected with a hydraulic cylinder pipeline; a buffer anti-collision frame structure is arranged on the left side of the side supporting frame; the left side of the lower part of the bridge plate is glued with a rubber protection pad; the left end of the bridge plate is provided with an auxiliary butt strap frame structure; and the left side of the lower part of the bridge plate is also provided with an automatic vertical positioning support structure, and the automatic vertical positioning support structure simultaneously displaces the right side of the rubber protection pad.
Preferably, the automatic vertical positioning support structure comprises a containing frame, wherein a supporting rod is connected to the left side of the middle of the containing frame in a shaft manner; a connecting seat is installed at the left end of the containing frame through a screw; and a pushing cylinder is embedded into the right lower side of the connecting seat.
Preferably, the auxiliary butt strap frame structure comprises a shaft plate, wherein the shaft plate is welded at the front side and the rear side of the left upper end of the bridge plate; the inner side of the shaft plate is in shaft connection with a connecting butt strap; connecting rings are welded on the front side and the rear side of the middle position of the connecting strap, steel wire ropes are arranged on the connecting rings in detail, and meanwhile, fixing rings are tied to the other ends of the steel wire ropes; and the rear side bolt of the fixing ring is provided with a magnet block.
Preferably, the buffer anti-collision frame structure comprises positioning pipes, wherein the positioning pipes are respectively welded at the upper part and the lower part of the left side of the side supporting frame; a T-shaped positioning rod is inserted into the inner side of the positioning tube, a buffer spring is sleeved on the left side of the outer part of the T-shaped positioning rod, and a connecting plate is installed on a left bolt of the T-shaped positioning rod; the left side of the connecting plate is glued with a rubber buffer block.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, when the hydraulic cylinder supports the bridge plate upwards, the support rod can drop downwards under the action of gravity.
The invention utilizes the support rod to play a good supporting role for the bridge plate, so that the hydraulic cylinder can not be in a working state for a long time during working.
The connecting butt strap is conveniently fixed on the upper side of the butt strap by matching the magnet blocks with the steel wire ropes, so that the connecting butt strap cannot rotate upwards from the lower side due to the fact that the butt strap is lifted after the truck is aligned with the device is avoided, and the magnet blocks can be adsorbed on the carriage when the connecting butt strap is placed on the carriage, so that an auxiliary fixing effect on the connecting butt strap in the carriage is achieved.
The invention can utilize the buffer spring to further buffer the rubber buffer block on the left side of the connecting plate, thereby having good buffer effect when the loading vehicle collides with the rubber buffer block.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the auxiliary bridge structure of the present invention.
Fig. 3 is a schematic structural view of the bumper structure of the present invention.
Fig. 4 is a schematic structural view of the automatic vertical positioning support structure of the present invention.
In the figure:
1. a transverse chassis; 2. a longitudinal fixing plate; 3. a side support frame; 31. positioning the clamping groove; 4. a bridge plate; 5. a hydraulic cylinder; 6. a hydraulic pump; 7. a rubber pad; 8. an auxiliary access panel frame structure; 81. a shaft plate; 82. connecting the butt strap; 83. a connecting ring; 84. a wire rope; 85. a fixing ring; 86. a magnet block; 9. a buffer anti-collision frame structure; 91. a positioning tube; 92. a T-shaped positioning rod; 93. a buffer spring; 94. a connecting plate; 95. a rubber buffer block; 10. automatically vertically positioning the support structure; 101. a storage frame; 102. a support bar; 103. a connecting seat; 104. and pushing the air cylinder.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the embodiment is as follows:
as shown in the attached drawings 1 and 4, the invention provides a lifting device for a fixed hoisting bridge, which comprises a transverse underframe 1, a longitudinal fixing plate 2, a side supporting frame 3 and a bridge plate 4, wherein the longitudinal fixing plate 2 is welded on the right side of the upper part of the transverse underframe 1; the side supporting frames 3 are welded on the front side and the rear side of the upper part of the transverse underframe 1; the bridge plate 4 is coupled to the left upper side of the longitudinal fixing plate 2, a hydraulic cylinder 5 is coupled to the left side of the middle upper part of the transverse underframe 1, and the upper part of the hydraulic cylinder 5 is coupled to the middle lower part of the bridge plate 4; a hydraulic pump 6 is mounted on the left bolt of the upper part of the transverse underframe 1, and the hydraulic pump 6 is connected with a hydraulic cylinder 5 through a pipeline; a buffer anti-collision frame structure 9 is arranged on the left side of the side supporting frame 3; the rubber protection pad 7 is glued to the left side of the lower portion of the bridge plate 4, the rubber protection pad 7 can reduce the buffering effect when the bridge plate 4 is closed on the side supporting frame 3, and the bridge plate 4 is prevented from being damaged easily due to repeated collision with the side supporting frame 3; the left end of the bridge plate 4 is provided with an auxiliary lapping plate frame structure 8; the left side of the lower part of the bridge plate 4 is also provided with an automatic vertical positioning support structure 10, and meanwhile, the automatic vertical positioning support structure 10 displaces the right side of the rubber protection pad 7; the automatic vertical positioning support structure 10 comprises a receiving frame 101, wherein a supporting rod 102 is connected to the left side of the middle of the receiving frame 101 in a shaft mode, and when the hydraulic cylinder 5 supports the bridge plate 4 upwards, the supporting rod 102 can fall downwards under the action of gravity; a connecting seat 103 is installed at the left end of the containing frame 101 through a screw; the right lower side of connecting seat 103 embedded into have propelling movement cylinder 104, propelling movement cylinder 104 extends and to right side propelling movement bracing piece 102 to can make bracing piece 102 along side support frame 3 landing in accomodating frame 101 when the bridge plate 4 descends.
In the above embodiment, as shown in fig. 2, specifically, the auxiliary bridge plate frame structure 8 includes axle plates 81, wherein the axle plates 81 are welded to the front and rear sides of the left upper end of the bridge plate 4; the inner side of the shaft plate 81 is connected with a connecting butt strap 82 in a shaft mode, the left side of the connecting butt strap 82 is glued with a silica gel protection pad, and the connecting butt strap 82 can be prevented from being easily damaged when contacting with a carriage; the front side and the rear side of the middle position of the connecting butt strap 82 are welded with connecting rings 83, the connecting rings 83 are provided with steel wire ropes 84 in detail, meanwhile, the other ends of the steel wire ropes 84 are connected with fixing rings 85 in a tying mode, and the steel wire ropes 84 can play a role in traction on the connecting butt strap 82; the rear bolt of the fixing ring 85 is provided with a magnet block 86.
As shown in fig. 3, in the above embodiment, specifically, the bumper frame structure 9 includes a positioning tube 91, where the positioning tube 91 is welded to the upper and lower portions of the left side of the side supporting frame 3 respectively; a T-shaped positioning rod 92 is inserted into the inner side of the positioning tube 91, a buffer spring 93 is sleeved on the left side of the outer part of the T-shaped positioning rod 92, and a connecting plate 94 is installed on a left bolt of the T-shaped positioning rod 92; the left side of connecting plate 94 glue joint have rubber buffer 95, rubber buffer 95 can avoid the freight car to lead to the fact the damage easily when being close to with the device collision.
In the above embodiment, specifically, the left side of the upper portion of the side support frame 3 is provided with the positioning slot 31, the support rod 102 is inserted into the inner side of the positioning slot 31, and the support rod 102 is utilized to support the bridge plate 4 well, so that the hydraulic cylinder 5 is not in a working state for a long time during working.
In the above embodiment, specifically, magnet piece 86 adsorb in one side of bridge plate 4, utilize magnet piece 86 cooperation wire rope 84 to conveniently fix connection butt strap 82 in the upside of bridge plate 4 to avoid bridge plate 4 lift to lead to connecting butt strap 82 can't follow downside upward rotation after freight train and device are aimed at, and will connect butt strap 82 and place usable magnet piece 86 when on the carriage and adsorb on the carriage, so as to play auxiliary fixture effect when the carriage to connecting butt strap 82.
In the above embodiment, specifically, the buffer spring 93 is disposed between the connecting plate 94 and the side supporting frame 3, and the buffer spring 93 can further buffer the rubber buffer block 95 on the left side of the connecting plate 94, so that a good buffering effect can be achieved when the cargo vehicle collides with the rubber buffer block 95.
Principle of operation
In the working process of the invention, a loading vehicle approaches the device when working, meanwhile, a rubber buffer block 95 and a buffer spring 93 can be used for playing a buffer protection role between the vehicle and the device, then a hydraulic pump 6 is used for controlling the hydraulic cylinder 5 to extend so as to lift the bridge plate 4 upwards, the support rod 102 falls downwards under the action of gravity, then the hydraulic pump 6 is used for controlling the hydraulic cylinder 5 to retract so as to enable the support rod 102 to be inserted into the inner side of the positioning clamping groove 31, thereby realizing the stable support of the bridge plate 4, then the connecting butt plate 82 is placed on a carriage, and a magnetic stone 86 is adsorbed on the inner wall of the carriage so as to realize the auxiliary fixation of the connecting butt plate 82, when the use is not needed, the hydraulic pump 6 is used for controlling the hydraulic cylinder 5 to extend, the support rod 102 is pulled out from the positioning clamping groove 31 and then is pushed towards the right side of the support rod 102 by using a pushing cylinder 104, and the support rod 102 inclines towards the right side, at the moment, the hydraulic pump 6 can be used for controlling the hydraulic cylinder 5 to retract, the support rod 102 is in a state of inclining towards the right side when the support rod 102 descends, so that the support rod 102 is contacted with the side support frame 3, the support rod 102, so that the support rod 102 can be more easily rotated to the inner side of the support frame 101, and can be pushed to slide on the side support frame 3.
The technical solutions of the present invention or those skilled in the art, based on the teachings of the technical solutions of the present invention, are designed to achieve the above technical effects, and all of them fall into the protection scope of the present invention.

Claims (4)

1. A fixed hoisting bridge lifting device comprises a transverse underframe (1), a longitudinal fixing plate (2), a side supporting frame (3) and a bridge plate (4), wherein the longitudinal fixing plate (2) is welded on the right side of the upper part of the transverse underframe (1); the side supporting frames (3) are welded on the front side and the rear side of the upper part of the transverse underframe (1); the bridge plate (4) is coupled to the left upper side of the longitudinal fixing plate (2) in a shaft manner, and the bridge plate is characterized in that a hydraulic cylinder (5) is coupled to the left side of the middle upper part of the transverse underframe (1) in a shaft manner, and the upper part of the hydraulic cylinder (5) is coupled to the middle lower part of the bridge plate (4) in a shaft manner; a hydraulic pump (6) is installed on the left bolt of the upper part of the transverse underframe (1), and the hydraulic pump (6) is connected with a hydraulic cylinder (5) through a pipeline; a buffer anti-collision frame structure (9) is arranged on the left side of the side supporting frame (3); the left side of the lower part of the bridge plate (4) is glued with a rubber protection pad (7); the left end of the bridge plate (4) is provided with an auxiliary butt strap frame structure (8); an automatic vertical positioning support structure (10) is further arranged on the left side of the lower portion of the bridge plate (4), and meanwhile the automatic vertical positioning support structure (10) displaces the right side of the rubber protection pad (7); the automatic vertical positioning support structure (10) comprises a receiving frame (101), wherein a supporting rod (102) is connected to the left side of the middle of the receiving frame (101) in a shaft mode; a connecting seat (103) is installed at the left end of the containing frame (101) through a screw; a pushing cylinder (104) is embedded in the right lower side of the connecting seat (103); the auxiliary butt strap frame structure (8) comprises shaft plates (81), wherein the shaft plates (81) are welded on the front side and the rear side of the left upper end of the bridge plate (4); the inner side of the shaft plate (81) is connected with a connecting butt strap (82) in a shaft way; the front side and the rear side of the middle position of the connecting butt strap (82) are welded with connecting rings (83), the connecting rings (83) are provided with steel wire ropes (84) in detail, and meanwhile, the other ends of the steel wire ropes (84) are tied with fixing rings (85); a magnet block (86) is mounted on a bolt at the rear side of the fixing ring (85); the magnet block (86) is adsorbed on one side of the bridge plate (4).
2. The fixed hoisting bridge lifting device according to claim 1, wherein the buffer crash barrier structure (9) comprises positioning pipes (91), wherein the positioning pipes (91) are respectively welded to the upper part and the lower part of the left side of the side support frame (3); a T-shaped positioning rod (92) is inserted into the inner side of the positioning tube (91), a buffer spring (93) is sleeved on the left side of the outer part of the T-shaped positioning rod (92), and a connecting plate (94) is installed on a left bolt of the T-shaped positioning rod (92); the left side of the connecting plate (94) is glued with a rubber buffer block (95).
3. The lifting device for the fixed hoisting bridge as claimed in claim 1, wherein the left side of the upper part of the side support frame (3) is provided with a positioning slot (31), and the support rod (102) is inserted into the inner side of the positioning slot (31).
4. A fixed hoist bridge lifting device according to claim 2, characterized in that the buffer spring (93) is displaced between the attachment plate (94) and the side support frame (3).
CN202211081427.XA 2022-09-06 2022-09-06 Lifting device for fixed hoisting bridge Active CN115159190B (en)

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Application Number Priority Date Filing Date Title
CN202211081427.XA CN115159190B (en) 2022-09-06 2022-09-06 Lifting device for fixed hoisting bridge

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Application Number Priority Date Filing Date Title
CN202211081427.XA CN115159190B (en) 2022-09-06 2022-09-06 Lifting device for fixed hoisting bridge

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CN115159190B true CN115159190B (en) 2022-11-15

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0857672A2 (en) * 1997-02-11 1998-08-12 Kelley Company, Inc. Dock leveler having an inflatable member
CN204917643U (en) * 2015-08-17 2015-12-30 南京钢铁股份有限公司 Axle plate turnover is stepped on to container
CN209177640U (en) * 2018-11-27 2019-07-30 济南泰晟升降机械有限公司 A kind of fixed dock ramp
CN210418504U (en) * 2019-07-11 2020-04-28 苏州威尔力液压升降机械有限公司 Fixed hydraulic dock leveler
CN111469739A (en) * 2020-04-01 2020-07-31 达州华川车辆制造有限公司 Auxiliary overturning device for container of dump truck
CN216231894U (en) * 2021-09-08 2022-04-08 梁山五岳车业有限公司 Make things convenient for folding cat ladder of fluid pressure type about equipment
CN216511674U (en) * 2021-09-18 2022-05-13 苏州大同升降机械有限公司 Fixed type boarding bridge
CN114538305A (en) * 2022-02-22 2022-05-27 孙德光 Bearing device of crane for constructional engineering

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0857672A2 (en) * 1997-02-11 1998-08-12 Kelley Company, Inc. Dock leveler having an inflatable member
CN204917643U (en) * 2015-08-17 2015-12-30 南京钢铁股份有限公司 Axle plate turnover is stepped on to container
CN209177640U (en) * 2018-11-27 2019-07-30 济南泰晟升降机械有限公司 A kind of fixed dock ramp
CN210418504U (en) * 2019-07-11 2020-04-28 苏州威尔力液压升降机械有限公司 Fixed hydraulic dock leveler
CN111469739A (en) * 2020-04-01 2020-07-31 达州华川车辆制造有限公司 Auxiliary overturning device for container of dump truck
CN216231894U (en) * 2021-09-08 2022-04-08 梁山五岳车业有限公司 Make things convenient for folding cat ladder of fluid pressure type about equipment
CN216511674U (en) * 2021-09-18 2022-05-13 苏州大同升降机械有限公司 Fixed type boarding bridge
CN114538305A (en) * 2022-02-22 2022-05-27 孙德光 Bearing device of crane for constructional engineering

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