CN210339687U

CN210339687U - Novel portable hydraulic pressure bridge of riding on bus

Info

Publication number: CN210339687U
Application number: CN201920760930.5U
Authority: CN
Inventors: 蔡金泉
Original assignee: Zhengzhou Best Machinery Manufacturing Co Ltd
Current assignee: Zhengzhou Best Machinery Manufacturing Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-04-17
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a novel portable hydraulic step on axle, including bridge plate and base, the bridge plate includes the main bridge plate, be equipped with vice bridge plate on the main bridge plate, the both sides of main bridge plate are fixed with flexible hydro-cylinder, the cylinder body end fixed connection main bridge plate of flexible hydro-cylinder, the output of flexible hydro-cylinder is connected on the lateral wall of vice bridge plate, the up end of main bridge plate is equipped with the spout along the length direction of main bridge plate, the lower terminal surface of vice bridge plate is equipped with the slider with the spout adaptation, the slider can move along the length direction of spout in the spout, be equipped with vertical lift cylinder on the base, the output shaft of vertical lift cylinder is connected at the one end that the main bridge plate kept away from vice bridge plate; the utility model discloses a setting of main bridge plate and vice bridge plate for the bridge plate can prolong, has solved current portable dock leveler and can not adjust length, and the not strong problem of suitability can be applicable to the demand of various loading and unloading cars, convenient to use, the good reliability.

Description

Novel portable hydraulic pressure bridge of riding on bus

Technical Field

The utility model relates to a hydraulic pressure boarding bridge field, concretely relates to novel portable hydraulic pressure boarding bridge.

Background

The unloading platform is an obvious structural form in modern logistics field, and as the height of the loading and unloading operation platform is fixed, but the heights of the bottoms of the transportation carriages are different, a certain height drop or gap is always formed between the transportation vehicle and the loading and unloading platform, so that the transportation forklift can not directly load and unload goods in and out of the transportation vehicle, and therefore, a boarding bridge is required to provide reliable connection so as to load and unload goods.

The movable dock leveler is special auxiliary equipment for realizing rapid loading and unloading of goods, and a bridge is erected between a truck and a platform due to the height adjusting function of the movable dock leveler, so that a forklift and the like can drive into the truck to load and unload goods in batches, and only one person needs to operate. However, the length of the existing mobile dock leveler cannot be adjusted, and the applicability is not strong.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the length of the existing mobile dock leveler cannot be adjusted and the applicability is not strong, the novel mobile hydraulic dock leveler is provided.

The utility model adopts the technical scheme as follows:

the utility model provides a novel portable hydraulic pressure boarding bridge, includes bridge plate and base, the bridge plate includes the main bridge plate, be equipped with vice bridge plate on the main bridge plate, the both sides of main bridge plate are fixed with flexible hydro-cylinder, on the cylinder body end fixed connection main bridge plate of flexible hydro-cylinder, the output of flexible hydro-cylinder is connected on the lateral wall of vice bridge plate, the up end of main bridge plate is equipped with the spout along the length direction of main bridge plate, the lower terminal surface of vice bridge plate is equipped with the slider with the spout adaptation, the slider can remove along the length direction of spout in the spout, be equipped with vertical lift pneumatic cylinder on the base, the output shaft of vertical lift pneumatic cylinder is in the one end that vice bridge plate was kept away from to the main bridge plate.

In the above scheme, flexible hydro-cylinder is including the cylinder cap, cylinder and the jar seat that connect gradually, set up the hydraulic fluid port A with the cylinder intercommunication on the cylinder cap, set up the hydraulic fluid port B with the cylinder intercommunication on the jar seat, the cylinder endotheca is equipped with the piston rod that can follow the axial displacement of cylinder, and the cylinder cap is worn out to the one end of piston rod, and the other end fixedly connected with piston of piston rod, the one end that the piston rod was kept away from to the piston is equipped with the mechanical locking device who is used for locking flexible hydro-cylinder.

In the above scheme, mechanical locking device includes the fixing base, inwards offers flutedly along the axial of fixing base on the terminal surface of the fixing base other end, and the recess endotheca is equipped with the floating piston that can follow recess axial displacement, the tip of fixing base is equipped with the plug screw, and the lockhole has been seted up to one side that is close to the piston rod on the outer wall of fixing base, is equipped with the locking piece in the lockhole, the cylinder inner wall is close to one side of cylinder cap and sets up the locked groove with the locking piece adaptation.

In the above scheme, an airtight chamber A is formed between the floating piston and the bottom of the groove, an airtight chamber B is formed between the floating piston and the plug screw, the bottom of the groove is uniformly provided with the through hole A, the plug screw is uniformly provided with the through hole B, the axis of the through hole B is parallel to the axis of the plug screw, the through hole A is communicated with the oil port A and the chamber A, and the through hole B is communicated with the oil port B and the chamber B.

In the above scheme, a spring is arranged in the cavity B, and two ends of the spring are respectively connected with the floating piston and the screw plug.

In the above scheme, a bayonet used for clamping the locking block is arranged at a position, corresponding to the lock hole, of one end, close to the bottom of the groove, of the floating piston.

In the above scheme, the locking block is a steel ball, and the locking hole, the locking groove and the bayonet are all matched with the locking block.

In the scheme, the universal wheels and the limiting device are arranged below the base.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses a setting of main bridge plate and vice bridge plate for the bridge plate can prolong, has solved current portable dock leveler and can not adjust length, and the not strong problem of suitability can be applicable to the demand of various loading and unloading cars, convenient to use, the good reliability.

2. The utility model discloses a set up mechanical locking device's mode in flexible hydro-cylinder, make can stretch out the back at vice bridge plate, can keep vice bridge plate motionless, and need not external mechanism, also need not complicated hydraulic system, more need not solitary unblock return circuit, and simultaneously, adopt the mode that latch mechanism and hydraulic stem removed together, the atress when having guaranteed the oiling is even, play the guard action to the cylinder, it increases to have solved current hydraulic pressure tailboard and caused the use cost when locking hydraulic system easily, the hydraulic system reliability reduces, the problem of inconvenient operation, make the simple more reliable of whole device, and it is more convenient to maintain.

3. The utility model discloses a cavity A and cavity B's setting is through letting in hydraulic oil the mode that promotes floating piston seesaw in cavity A or the cavity B, accomplishes locking and the unblock of whole pneumatic cylinder, has kept holistic atress balanced when this kind of mode has guaranteed the stability of whole device, has played the guard action to whole cylinder, has further strengthened the guard action to the cylinder through setting up of spring.

4. The utility model discloses a through-hole A has evenly been seted up to the recess bottom, evenly sets up the parallel through-hole B of axis and plug screw's axis on the plug screw, through-hole A intercommunication hydraulic fluid port A and cavity A, through-hole B intercommunication hydraulic fluid port B and cavity B's mode for hydraulic oil is even entering or discharge cavity A and cavity B, has kept holistic atress balance, has played the guard action to whole cylinder.

5. The utility model discloses a setting of bayonet socket for when whole device is in the not locking state, the locking piece is located the lockhole all the time, has guaranteed mechanical latch mechanism's reliability, can guarantee the homoenergetic at every turn and lock, the phenomenon of taking off the lock can not appear.

6. The utility model discloses a locking piece is the steel ball, lockhole, locked groove, bayonet socket all with the mode of locking piece adaptation, under the circumstances of no pressure, lean on a plurality of steel balls to receive the shear force to bear the cargo loading, can bear great axial admittedly and carry cargo for overall structure stability more, simultaneously in the use more convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

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

FIG. 2 is a schematic view of the internal structure of the telescopic cylinder of the present invention;

the labels in the figure are: 1-bridge plate, 2-base, 3-telescopic oil cylinder, 4-mechanical locking device, 5-vertical lifting hydraulic cylinder, 11-main bridge plate, 12-auxiliary bridge plate, 21-universal wheel, 22-limiting device, 31-cylinder cover, 32-oil port A, 33-cylinder barrel, 34-piston rod, 35-oil port B, 36-piston, 37-cylinder seat, 41-fixed seat, 42-groove, 43-floating piston, 44-plug screw, 45-lock hole, 46-lock block, 47-lock groove, 48-spring, 49-bayonet, 111-slide groove, 121-slide block, 411-through hole A, 441-through hole B.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The features and properties of the present invention are described in further detail below with reference to examples.

Example 1

The utility model provides a novel portable hydraulic pressure loading bridge, includes bridge plate 1 and base 2, bridge plate 1 includes main bridge plate 11, be equipped with vice bridge plate 12 on the main bridge plate 11, the both sides of main bridge plate 11 are fixed with flexible hydro-cylinder 3, on the cylinder body end fixed connection main bridge plate 11 of flexible hydro-cylinder 3, the output of flexible hydro-cylinder 3 is connected on the lateral wall of vice bridge plate 12, the up end of main bridge plate 11 is equipped with spout 111 along the length direction of main bridge plate 11, the lower terminal surface of vice bridge plate 12 is equipped with the slider 121 with spout 111 adaptation, slider 121 can remove along the length direction of spout 111 in spout 111, be equipped with vertical lift pneumatic cylinder 5 on the base 2, the output shaft of vertical lift pneumatic cylinder 5 is in the one end that vice bridge plate 12 was kept away from to main bridge plate 11.

Example 2

On the basis of embodiment 1, the telescopic oil cylinder 3 comprises a cylinder cover 31, a cylinder barrel 33 and a cylinder seat 37 which are connected in sequence, an oil port a32 communicated with the cylinder barrel 33 is formed in the cylinder cover 31, an oil port B35 communicated with the cylinder barrel 33 is formed in the cylinder seat 37, a piston rod 34 capable of moving along the axial direction of the cylinder barrel 33 is sleeved in the cylinder barrel 33, one end of the piston rod 34 penetrates out of the cylinder cover 31, a piston 36 is fixedly connected to the other end of the piston rod 34, and a mechanical locking device 4 used for locking the telescopic oil cylinder 3 is arranged at one end, away from the piston rod 34, of the piston 36.

Example 3

On the basis of embodiment 1 or 2, mechanical locking device 4 includes fixing base 41, and inwards seted up recess 42 along the axial of fixing base 41 on the terminal surface of the fixing base 41 other end, the recess 42 endotheca is equipped with the floating piston 43 that can follow recess 42 axial displacement, the tip of fixing base 41 is equipped with plug screw 44, and the lockhole 45 has been seted up to the one side that is close to piston rod 34 on the outer wall of fixing base 41, is equipped with locking piece 46 in the lockhole 45, the locked groove 47 with locking piece 46 adaptation has been seted up to the one side that the cylinder 33 inner wall is close to cylinder cap 31.

Example 4

On the basis of the above embodiment, a closed chamber a is formed between the floating piston 43 and the bottom of the groove 42, a closed chamber B is formed between the floating piston 43 and the plug screw 44, the bottom of the groove 42 is uniformly provided with a through hole a411, the plug screw 44 is uniformly provided with a through hole B441 whose axis is parallel to the axis of the plug screw 44, the through hole a411 is communicated with the oil port a32 and the chamber a, and the through hole B441 is communicated with the oil port B35 and the chamber B.

Example 5

On the basis of the above embodiment, a spring 48 is disposed in the chamber B, and the two ends of the spring 48 are respectively connected to the floating piston 43 and the plug screw 44.

Example 6

On the basis of the above embodiment, the floating piston 43 is provided with a bayonet 49 corresponding to the lock hole 45 at the end near the bottom of the groove 42 for catching the lock block 46.

Example 7

On the basis of the above embodiment, the locking piece 46 is a steel ball, and the locking hole 45, the locking groove 47 and the bayonet 49 are all matched with the locking piece 46.

Example 8

On the basis of the above embodiments, the universal wheels 21 and the limiting device 22 are arranged below the base 2.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a novel portable hydraulic pressure dock leveler, includes bridge plate (1) and base (2), its characterized in that: the bridge plate (1) comprises a main bridge plate (11), an auxiliary bridge plate (12) is arranged on the main bridge plate (11), the two sides of the main bridge plate (11) are fixed with telescopic oil cylinders (3), the cylinder body ends of the telescopic oil cylinders (3) are fixedly connected with the main bridge plate (11), the output end of the telescopic oil cylinder (3) is connected on the side wall of the auxiliary bridge plate (12), the upper end surface of the main bridge plate (11) is provided with a sliding chute (111) along the length direction of the main bridge plate (11), the lower end surface of the auxiliary bridge plate (12) is provided with a slide block (121) matched with the slide groove (111), the slide block (121) can move in the slide groove (111) along the length direction of the slide groove (111), the base (2) is provided with a vertical lifting hydraulic cylinder (5), and an output shaft of the vertical lifting hydraulic cylinder (5) is connected to one end, far away from the auxiliary bridge plate (12), of the main bridge plate (11).

2. The novel mobile hydraulic dock leveler of claim 1, wherein: telescopic cylinder (3) including cylinder cap (31), cylinder (33) and the jar seat (37) that connect gradually, offer hydraulic fluid port A (32) with cylinder (33) intercommunication on cylinder cap (31), offer hydraulic fluid port B (35) with cylinder (33) intercommunication on jar seat (37), cylinder (33) endotheca is equipped with piston rod (34) that can follow the axial displacement of cylinder (33), and cylinder cap (31) is worn out to the one end of piston rod (34), the other end fixedly connected with piston (36) of piston rod (34), the one end that piston rod (34) were kept away from in piston (36) is equipped with mechanical locking device (4) that are used for locking telescopic cylinder (3).

3. The novel mobile hydraulic dock leveler of claim 2, wherein: mechanical locking device (4) are including fixing base (41), set up fluted (42) along the axial of fixing base (41) inwards on the terminal surface of the fixing base (41) other end, and recess (42) endotheca is equipped with floating piston (43) that can follow recess (42) axial displacement, the tip of fixing base (41) is equipped with plug screw (44), and lockhole (45) have been seted up to one side that is close to piston rod (34) on the outer wall of fixing base (41), is equipped with locking piece (46) in lockhole (45), locking groove (47) with locking piece (46) adaptation are seted up to one side that cylinder (33) inner wall is close to cylinder cap (31).

4. The novel mobile hydraulic dock leveler of claim 3, wherein: the floating piston (43) and the bottom of the groove (42) form a closed cavity A, the floating piston (43) and the plug screw (44) form a closed cavity B, the bottom of the groove (42) is uniformly provided with a through hole A (411), the plug screw (44) is uniformly provided with a through hole B (441) with the axis parallel to that of the plug screw (44), the through hole A (411) is communicated with the oil port A (32) and the cavity A, and the through hole B (441) is communicated with the oil port B (35) and the cavity B.

5. The novel mobile hydraulic dock leveler of claim 4, wherein: a spring (48) is arranged in the cavity B, and two ends of the spring (48) are respectively connected with the floating piston (43) and the screw plug (44).

6. The novel mobile hydraulic dock leveler of claim 3 or 4, wherein: and a bayonet (49) for clamping the locking block (46) is arranged at the position, corresponding to the locking hole (45), of one end, close to the bottom of the groove (42), of the floating piston (43).

7. The novel mobile hydraulic dock leveler of claim 6, wherein: the locking block (46) is a steel ball, and the locking hole (45), the locking groove (47) and the bayonet (49) are matched with the locking block (46).

8. The novel mobile hydraulic dock leveler of claim 1, wherein: the universal wheels (21) and the limiting devices (22) are arranged below the base (2).