阅读说明：本技术 一种用于货车车厢的装货登车桥 (Loading dock leveler for truck carriage ) 是由 樊欢燕 于 2019-10-11 设计创作，主要内容包括：本发明公开了一种用于货车车厢的装货登车桥,涉及登车桥技术领域,解决了现有的登车桥,缺少履带传送机构,工作效率低,且水平高度以及倾斜坡度需单独依次跟进调整不能连动进行,另外对手动叉车的定位效果较差的问题。一种用于货车车厢的装货登车桥,包括基板,导向架,传送履带,水平导送板和倾斜导送板,所述基板的底部对称支撑有六处自带刹车的滚轮,其顶端的后侧位置对称转动支撑有两处丝杠,此两处丝杠之间的板面上还锁紧安装有一处电机；所述导向架整体呈直角三角形倾斜支撑设置,其底部对称安装有两处滚轮；所述传送履带上间隔排列安装有若干处挡板。本发明中的导向架能够起到连接桥的作用,其可方便手动叉车推动置于传送履带上。(The invention discloses a loading dock leveler for a boxcar, relates to the technical field of dock levelers, and solves the problems that the existing dock leveler lacks a track conveying mechanism, is low in working efficiency, cannot be linked to perform independent sequential follow-up adjustment on the horizontal height and the inclined gradient, and is poor in positioning effect on a manual forklift. A loading dock leveler for a boxcar comprises a base plate, a guide frame, a conveying crawler, a horizontal guide plate and an inclined guide plate, wherein six idler wheels with brakes are symmetrically supported at the bottom of the base plate, two lead screws are symmetrically and rotatably supported at the rear side position of the top end of the base plate, and a motor is also locked and installed on the plate surface between the two lead screws; the whole guide frame is obliquely supported in a right-angled triangle shape, and two idler wheels are symmetrically arranged at the bottom of the guide frame; and a plurality of baffles are arranged on the conveying belt at intervals. The guide frame can play a role of connecting a bridge, and can be conveniently pushed by a manual forklift to be placed on the conveying track.)

1. The loading dock leveler for the boxcar comprises a base plate (1) and a guide frame (2), wherein six idler wheels with brakes are symmetrically supported at the bottom of the base plate (1), the guide frame (2) is integrally and obliquely supported in a right-angled triangle shape, and two idler wheels are symmetrically mounted at the bottom of the guide frame; the method is characterized in that: the device is characterized by further comprising a conveying crawler (3), a horizontal guide plate (5) and an inclined guide plate (6), wherein two lead screws (7) are symmetrically and rotatably supported at the rear side position of the top end of the base plate (1), and a motor (8) is further locked and installed on the plate surface between the two lead screws (7); the horizontal guide plate (5) and the inclined guide plate (6) are connected together in a head-to-tail rotating manner; and a plurality of baffles (4) are arranged on the conveying crawler (3) at intervals.

2. The loader dock leveler for a freight car as set forth in claim 1, wherein: the base plate (1) comprises a track frame (101) and positioning shafts (102), the left side and the right side of the front end of the base plate (1) are symmetrically supported by the two track frames (101), the left side and the right side of the rear end of the base plate are symmetrically supported by the four positioning shafts (102), the two lead screws (7) are located between the left group of positioning shafts and the right group of positioning shafts (102), and the top ends of the left group of positioning shafts and the right group of positioning shafts (102) are respectively welded with the top ends of the two lead screws (7) in a supporting mode.

3. The loader dock leveler for a freight car as set forth in claim 1, wherein: the inclined guide plate (6) comprises positioning short shafts (601), one track groove is formed in a square rod at the top end of each of the two track frames (101) in a penetrating mode, the left side and the right side of the tail end of the inclined guide plate (6) are symmetrically supported with the two positioning short shafts (601), and the two positioning short shafts (601) are correspondingly arranged in the two track grooves in a sliding mode.

4. The loader dock leveler for a freight car of claim 3, wherein: the guide frame (2) comprises a collar (201), two collars (201) are symmetrically supported on the rear side of the guide frame (2), the two collars (201) are correspondingly rotatably sleeved on the inner half section of the positioning short shaft (601), and the two collars (201) are clamped and limited between the guide frame (2) and two track frames (101).

5. The loader dock leveler for a freight car as set forth in claim 1, wherein: the head ends of the left rotating shaft and the right rotating shaft of the motor (8) are respectively sleeved with a conical gear, the bottom sections of the two lead screws (7) are respectively sleeved with a conical gear, and the motor (8) drives the two lead screws (7) to rotate through the corresponding meshing of the conical gears; the horizontal guide plates (5) are sleeved on the four positioning shafts (102) in a sliding manner and are in threaded penetrating engagement with the left screw rod (7) and the right screw rod (7).

6. The loader dock leveler for a freight car as set forth in claim 1, wherein: the top slope of the guide frame (2) inclines downwards and extends to the cement ground, and the horizontal bottom plate of the guide frame pushes the top of the rear section of the base plate (1) in a sliding manner.

7. The loader dock leveler for a freight car as set forth in claim 1, wherein: baffle (4) are including counter weight strip (401), baffle (4) wholly are the rectangle setting, and its back intermediate position interval supports has a pivot, and it just rotates through this pivot and installs on the combination plate of conveying track (3), and the back bottom side protrusion of baffle (4) is provided with a length strip counter weight strip (401).

8. The loader dock leveler for a freight car as set forth in claim 1, wherein: the middle positions of the horizontal guide plate (5) and the inclined guide plate (6) are both provided with a mounting groove in a penetrating mode, and the conveying crawler (3) is laid in the two mutually communicated mounting grooves in a rotating mode.

Technical Field

The invention relates to the technical field of boarding bridges, in particular to a loading boarding bridge for a boxcar.

Background

The loading and unloading platform is a very easy structure form in modern logistics field. The height of the loading and unloading operation platform moves, but the heights of the carriage bodies of the transportation carriages are different, and a certain height drop or gap is always formed between the transportation vehicle and the loading and unloading platform. Causing the handling truck to be unable to enter and exit the transport vehicle for direct loading and unloading of goods, it is therefore necessary to utilize the boarding bridge to provide a reliable connection for loading and unloading of goods.

For example, patent number is CN201820709995.2 discloses a boarding bridge, including boarding bridge body and supporting legs, the boarding bridge body includes a prelude and a afterbody, just the prelude of boarding bridge body highly is higher than the afterbody height, the boarding bridge is at least less than the prelude position of boarding bridge body is equipped with first installation department, be equipped with on the supporting legs with first installation department complex first cooperation portion, the supporting legs passes through first cooperation portion detachable is fixed on the first installation department. The dock leveler saves the occupied logistics volume and the logistics cost.

The ubiquitous track transport mechanism that lacks of current axle of stepping on, the hand fork truck that leads to being equipped with a large amount of goods can't promote to climb on great slope axle of stepping on, work efficiency is low, and level and slope need follow-up adjustment alone in proper order can not the interlock go on, it is comparatively inconvenient to operate and use, relatively poor to hand fork truck's positioning effect in addition, it is great to lead to fork truck to easily take place to skid to roll the potential safety hazard that drops, in addition with the linking structure operation on ground also comparatively inconvenient problem.

Disclosure of Invention

The invention aims to provide a loading dock leveler for a boxcar, and aims to solve the problems that a track conveying mechanism is lacked, the working efficiency is low, the horizontal height and the inclined gradient need to be independently and sequentially adjusted in a follow-up mode, the track conveying mechanism cannot be linked, the operation and the use are inconvenient, the positioning effect on a manual forklift is poor, the potential safety hazard that the forklift is easy to slip, roll and fall is large, and the operation and the use of a connection structure with the ground are inconvenient.

In order to achieve the purpose, the invention provides the following technical scheme: a loading dock leveler for a boxcar comprises a base plate, a guide frame, a conveying crawler, a horizontal guide plate and an inclined guide plate, wherein six idler wheels with brakes are symmetrically supported at the bottom of the base plate, two lead screws are symmetrically and rotatably supported at the rear side position of the top end of the base plate, and a motor is also locked and installed on the plate surface between the two lead screws; the whole guide frame is obliquely supported in a right-angled triangle shape, and two idler wheels are symmetrically arranged at the bottom of the guide frame; the horizontal guide plate and the inclined guide plate are connected together in a head-to-tail rotating manner; and a plurality of baffles are arranged on the conveying belt at intervals.

Preferably, the base plate includes track frame and location axle, the bilateral symmetry of base plate front end left and right sides position supports has two track frames, and its rear end left and right sides symmetry supports has four location axles, and two lead screws are located between this left and right sides two sets of location axles, and the top of the left and right sides two sets of location axles respectively with the top support welding of two lead screws together.

Preferably, the inclined guide plate comprises positioning short shafts, two track grooves are formed in the square rods at the top ends of the two track frames in a penetrating mode, the two positioning short shafts are symmetrically supported on the left side and the right side of the tail end of the inclined guide plate, and the two positioning short shafts are correspondingly arranged in the two track grooves in a sliding mode.

Preferably, the guide frame comprises a shaft collar, two shaft collars are symmetrically supported on the rear side of the guide frame, the two shaft collars are correspondingly rotatably sleeved on the inner half section of the positioning short shaft, and the two shaft collars are clamped and limited between the guide frame and the two track frames.

Preferably, the head ends of the left rotating shaft and the right rotating shaft of the motor are respectively sleeved with a conical gear, the bottom sections of the two lead screws are respectively sleeved with a conical gear, and the motor drives the two lead screws in a rotating manner through the corresponding meshing of the conical gears; the horizontal guide plate sleeves are slidably arranged on the four positioning shafts and are in penetrating engagement with the threads of the left screw and the right screw.

Preferably, the top slope surface of the guide frame extends to the cement ground in a downward inclined manner, and the horizontal bottom plate top of the guide frame is arranged at the top end of the rear side section of the base plate in a sliding manner.

Preferably, the baffle plate comprises a counterweight strip, the baffle plate is integrally rectangular, a rotating shaft is supported at the middle position of the back of the baffle plate at intervals, the baffle plate is rotatably installed on the combined plate of the conveying crawler belt through the rotating shaft, and a long strip-shaped counterweight strip is convexly arranged on the bottom side of the back of the baffle plate.

Preferably, the horizontal guide plate and the inclined guide plate are provided with a mounting groove at the middle position in a penetrating manner, and the conveying crawler is rotatably laid in the two mutually communicated mounting grooves.

Compared with the prior art, the invention has the beneficial effects that:

1. under the drive of the motor, the two lead screws can be used for pushing the horizontal guide plate to move up and down to adjust the height, so that the horizontal guide plate can be suitable for being clamped and supported on truck hoppers with different heights, and the application is wide.

2. The leading truck can play the effect of connecting the bridge, and it can make things convenient for manual fork truck to promote to arrange in on the conveying track, and through two axle collars, the leading truck can lead with the slope and send the board to rotate to link together, and then the leading truck can lead the tail end of sending the board slope adjustment in the slope to carry out the back-and-forth movement under the interlock that slides of board, and this has removed the trouble that manual manpower moved the leading truck that slides from, operation convenient to use.

3. Under horizontal guide plate gliding interlock, slope guide plate can slide around two track frames along and carry out the suitable adjustment of slope, and this step of following adjustment slope guide plate support angle has been removed when having removed the horizontal guide plate of lift from, and it is nimble simple convenient to use.

4. When the front end two-position idler wheel of the manual forklift is pushed and rolled and arranged on the baffle, the baffle can be reversed along with the idler wheel, after the idler wheel crosses the baffle, the baffle can be reset and reversed under the action of gravity of the counter weight strip to keep the front end two-position idler wheel of the manual forklift against positioning, and the forklift is prevented from slipping on the conveying track to roll and fall.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the bottom motor mounting location of the present invention;

FIG. 4 is a schematic view of a sliding mounting structure of the guide frame of the present invention;

FIG. 5 is a schematic view of the bottom structure of the guide frame of the present invention;

FIG. 6 is a schematic three-dimensional structure of the baffle of the present invention;

FIG. 7 is a schematic diagram of the back three-dimensional structure of the baffle of the present invention;

FIG. 8 is an enlarged view of the portion A of FIG. 1 according to the present invention;

in the figure: 1. a substrate; 101. a track frame; 102. positioning the shaft; 2. a guide frame; 201. a collar; 3. a conveying crawler; 4. a baffle plate; 401. a weight strip; 5. a horizontal guide plate; 6. inclining the guide plate; 601. positioning a short shaft; 7. a lead screw; 8. an electric motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 8, an embodiment of the present invention includes: a loading dock leveler for a boxcar comprises a base plate 1, a guide frame 2, a conveying crawler 3, a horizontal guide plate 5 and an inclined guide plate 6, wherein six idler wheels with brakes are symmetrically supported at the bottom of the base plate 1, two lead screws 7 are symmetrically and rotatably supported at the rear side position of the top end of the base plate 1, and a motor 8 is also locked and installed on the plate surface between the two lead screws 7; the two substrates 1 comprise track frames 101 and positioning shafts 102, the left side and the right side of the front end of the substrate 1 are symmetrically supported with two track frames 101, the left side and the right side of the rear end of the substrate 1 are symmetrically supported with four positioning shafts 102, the two lead screws 7 are positioned between the left group of positioning shafts 102 and the right group of positioning shafts 102, the top ends of the left group of positioning shafts 102 and the right group of positioning shafts are respectively supported and welded with the top ends of the two lead screws 7, the two lead screws 7 can be driven by the motor 8 to be capable of pushing the horizontal guide plate 5 to move up and down through threads to adjust the height and are suitable for being clamped and supported on truck hoppers; the whole guide frame 2 is obliquely supported in a right-angled triangle shape, two idler wheels are symmetrically arranged at the bottom of the guide frame 2, the guide frame 2 comprises a shaft collar 201, two shaft collars 201 are symmetrically supported at the rear side of the guide frame 2, the two shaft collars 201 are correspondingly sleeved on the half section of the inner side of the positioning short shaft 601 in a rotating mode, the two shaft collars 201 are clamped and limited between the guide frame 2 and two track frames 101, the guide frame 2 can be rotatably connected with the oblique guide plate 6 through the two shaft collars 201, and then the guide frame 2 can move back and forth at the tail end of the base plate 1 under the sliding linkage of slope adjustment of the oblique guide plate 6, so that the trouble of manually moving the sliding guide frame 2 is avoided, and the operation and the use are convenient; the horizontal guide plate 5 and the inclined guide plate 6 are connected together end to end in a rotating mode, one mounting groove penetrates through the middle positions of the horizontal guide plate 5 and the inclined guide plate 6, and the conveying crawler 3 is laid in the two mounting grooves which are mutually communicated in a rotating mode; the inclined guide plate 6 comprises positioning short shafts 601, one track groove is formed in each of the top square bars of the two track frames 101 in a penetrating mode, the two positioning short shafts 601 are symmetrically supported on the left side and the right side of the tail end of the inclined guide plate 6, the two positioning short shafts 601 are correspondingly arranged in the two track grooves in a sliding mode, and the two track frames 101 can limit the inclined guide plate 6 to enable the inclined guide plate 6 to slide straightly and forwards so as to avoid left-right swinging; a plurality of baffles 4 are arranged on the conveying crawler 3 at intervals.

Further, the head ends of the left rotating shaft and the right rotating shaft of the motor 8 are respectively sleeved with a conical gear, the bottom sections of the two lead screws 7 are respectively sleeved with a conical gear, and the motor 8 drives the two lead screws 7 to rotate through the corresponding meshing of the conical gears; the horizontal guide plate 5 is arranged on the four positioning shafts 102 in a sliding mode and is in threaded penetrating engagement with the left screw 7 and the right screw 7, the horizontal guide plate 5 slides up and down in linkage, the inclined guide plate 6 can slide back and forth along the two track frames 101 to adjust the slope, the step of adjusting the supporting angle of the inclined guide plate 6 during lifting of the horizontal guide plate 5 is omitted, and the use is flexible, simple and convenient.

Further, the domatic downward sloping in top of leading truck 2 extends to cement subaerial, and the top of base plate 1 rear side section is arranged in to its horizontal bottom plate top cunning, and leading truck 2 can play the effect of connecting the bridge, and it can make things convenient for manual fork truck to promote to arrange in on conveying track 3.

Further, baffle 4 includes counter weight strip 401, baffle 4 is whole to be the rectangle setting, its back intermediate position interval supports there is a pivot, it just rotates through this pivot to be installed on the combination plate of conveying track 3, the protrusion of the back bottom side of baffle 4 is provided with a long strip counter weight strip 401, when manual fork truck's front end two gyro wheels push away and roll and arrange in on baffle 4, baffle 4 can be followed and take place the reversal, treat behind the gyro wheel crossing baffle 4, baffle 4 can reset the reversal under the action of weight strip 401 gravity and keep off the front end two gyro wheels of manual fork truck and lean on the location, avoid fork truck and conveying track 3 to skid the emergence and roll and drop.

The working principle is as follows: during the use, at first starter motor 8 adjusts horizontal guide plate 5 according to the high lift of car hopper, then will step on the whole promotion of bridge and be connected with the car hopper, notice horizontal guide plate 5 should block to prop and place in the top of car hopper bottom plate, step on the brake of six gyro wheels in the bottom of base plate 1 in proper order afterwards, start conveying track 3 at last and just can begin normal goods and have carried.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.