CN218640753U

CN218640753U - Portable ladder rack and engineering machine tool

Info

Publication number: CN218640753U
Application number: CN202223103708.9U
Authority: CN
Inventors: 程敬爱; 贾晓杰; 张艳磊; 季广科
Original assignee: Xuzhou Heavy Machinery Co Ltd
Current assignee: Xuzhou Heavy Machinery Co Ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-17
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a portable ladder placing rack and engineering machinery, which comprises a slideway, a lower bracket, an upper bracket and a locking part; the slideway is arranged above a walking board of the vehicle; the lower bracket is arranged in the slideway and can slide in the slideway in a straight line; the upper bracket is used for placing the portable ladder and is hinged to the lower bracket, the upper bracket can linearly slide in the slideway along with the lower bracket, and the upper bracket can turn over around the hinged point after the lower bracket slides to a preset point of the slideway, so that the portable ladder is guided to a ground easy-to-operate space from a space needing to be climbed on a vehicle; and the locking component is arranged on the upper bracket and is matched with the slide way to limit the upper bracket on the slide way. The utility model discloses can place the ladder in the chassis in a flexible way and walk platen or other operating position of being convenient for, make the operator stand on ground alright carry out getting of ladder and put, need not extra passageway, the flexible operation is simple, and is humanized good.

Description

Portable ladder rack and engineering machine tool

Technical Field

The utility model relates to a portable ladder rack belongs to the engineering machine tool field.

Background

The portable ladder can be carried by hand without using a mechanical carrying and security ladder, is usually used for climbing or entering a boarding control room channel in engineering machinery, and mainly comprises a ladder frame 101, a hook 102, a foot bar 103 or a pedal and the like, as shown in figure 1.

The prior art solution is primarily to hang the portable ladder 100 from the rail 300 of the getting-on cage 200 by means of hooks 400. When the portable ladder 100 is to be used, it is necessary to reach the enclosure 300 of the get-on cage 200 through the get-off passageway; after use, the portable ladder 100 is then hung from the rail 300 of the boarding cage 200, as shown in FIG. 2.

As can be seen from the above description, for the technical solution, the portable ladder needs to enter the vicinity of the getting-on cab (located above the vehicle chassis, which is a pod for operating the getting-on working device) through an additional getting-off passage to continue to be used, which increases additional requirements on the getting-off passage on one hand, and limits the use position of the portable ladder on the other hand, thus having poor convenience; secondly, when the portable ladder is placed, the part of the ladder can be shielded from entering a passageway of the enclosure of the control room, and the access of an operator is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel portable ladder rack, this technical scheme can place the ladder in a flexible way and walk platen or other operating position of being convenient for on the chassis, make the operator stand on ground alright carry out getting of ladder and put, need not extra passageway, the flexible operation is simple, and is humanized good.

The utility model discloses realize according to following technical scheme:

the utility model discloses a first aspect discloses a portable ladder rack, include:

a slide rail arranged above a deck of a vehicle;

the lower bracket is arranged in the slide way and can linearly slide in the slide way;

the upper support is used for placing the portable ladder and is hinged to the lower support, the upper support can linearly slide in the slideway along with the lower support, and after the lower support slides to a preset point of the slideway, the upper support can turn over around the hinged point, so that the portable ladder is guided to a ground easy-to-operate space from a space where a user needs to climb on a vehicle;

and the locking component is arranged on the upper bracket and is matched with the slide way to limit the upper bracket on the slide way.

In some embodiments, the lower rack comprises:

the main frame is arranged in the slideway, and the short side surfaces on the two sides of the main frame are respectively supported on the sliding grooves of the slideway in a sliding manner through a connecting piece I;

the connecting plate is arranged on the front long side surface of the main frame and is provided with a hinge hole hinged with the upper bracket;

and the baffle I is arranged on the upper surface of the main frame and used for limiting the portable ladder.

In some embodiments, the connecting piece I consists of a sliding pin, a gasket I and a split pin; through holes are formed in the short side surfaces of the two sides of the main frame, the rod part of the sliding pin penetrates into the through hole and the sliding groove in sequence, and the diameter of the head part of the sliding pin is larger than the inner diameter of the through hole, so that the head part of the sliding pin is limited outside the through hole; the I-shaped gasket is sleeved on the rod portion of the sliding pin penetrating out of the sliding groove, the diameter of the I-shaped gasket is larger than the inner diameter of the sliding groove, the I-shaped gasket is limited outside the sliding groove, and the I-shaped gasket is inserted into the rod portion of the sliding pin through the split pin to achieve axial limiting of the I-shaped gasket.

In some embodiments, a limiting pin for limiting the rotation and overturning of the upper bracket is mounted on the connecting plate.

In some embodiments, the upper bracket comprises:

the base is provided with an ear plate with a hinge hole and is hinged with the lower bracket through a connecting piece II;

the baffle II is arranged at the rear end and the front end of the upper surface of the base and used for limiting the portable ladder in the front-back direction;

baffle III, the spaced installation the upper surface middle part department of base for it is spacing to carry out left right direction to portable ladder.

In some embodiments, the connecting piece II is composed of a rotating pin, a gasket II and a split pin; the rod part of the rotating pin penetrates into the hinge hole of the ear plate and the hinge hole of the connecting plate in sequence, and the diameter of the head part of the rotating pin is larger than the inner diameter of the hinge hole, so that the head part of the rotating pin is limited at the outer side of the hinge hole of the ear plate; the second gasket is sleeved on the rod part of the rotary pin penetrating out of the hinge hole of the connecting plate, and the diameter of the second gasket is larger than the inner diameter of the hinge hole, so that the second gasket is limited outside the hinge hole of the connecting plate and is inserted into the rod part of the rotary pin through the cotter pin to complete axial limiting of the second gasket.

In some embodiments, the locking member is comprised of a lock plate, a lock pin, and an R-shaped pin; the lock plate is arranged on the upper support, a lock hole is formed in the lock plate, the rod part of the lock pin penetrates into the lock hole and the through hole in the slide rail in sequence, and the diameter of the head part of the lock pin is larger than the inner diameter of the lock hole, so that the head part of the lock pin is limited outside the lock hole of the lock plate; the R-shaped pin is inserted into the rod part of the lock pin which penetrates out of the through hole in the slide way.

In some embodiments, the slide is made up of two parallel and symmetrically arranged rails; when the upper bracket slides along the lower bracket, the upper bracket slides along the top surfaces of the two guide rails.

In some embodiments, the bottom surface of the guide rail protrudes outwards from the top surface of the guide rail by a preset distance, a row of mounting holes are uniformly arranged at the protruding part of the bottom surface of the guide rail along the direction of the long edge of the guide rail at intervals, and the bolts are matched with the mounting holes to fix the guide rail on the walking board.

The utility model discloses engineering machine tool is disclosed in the second aspect, including walking platen and portable ladder, it installs as above-mentioned portable ladder rack on the platen to walk, portable ladder is installed on the portable ladder rack.

Compared with the prior art, the utility model discloses beneficial effect:

(1) The utility model discloses move portable ladder to walking the platen top from getting on the bus control cabin rail, it is convenient to get, does not receive the restriction of the passageway of getting off, and is humanized good.

(2) The utility model discloses in cancelled the restriction that could get into the control cabin of getting on the bus in the particular position, through the portable ladder of taking of convenience, can get into the control cabin of getting on the bus through portable ladder in needs position.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

In the drawings:

FIG. 1 is a schematic view of a prior art portable ladder configuration;

FIG. 2 is a prior art portable ladder placement view;

the above figures identify: 100-portable ladder, 101-ladder frame, 102-hook, 103-rung, 200-getting-on operation room, 300-rail and 400-hook.

FIG. 3 is a schematic view of the portable ladder rack of the present invention;

FIG. 4 is an enlarged view of portion I of FIG. 3;

FIG. 5 is an enlarged view of section II of FIG. 3;

fig. 6 is a schematic view of the lower frame structure of the present invention;

fig. 7 is a schematic view of the upper bracket structure of the present invention;

the above figures identify: 1-slideway, 2-lower support, 3-upper support, 4-sliding pin, 5-gasket I, 6-rotating pin, 7-gasket II, 8-locking pin, 9-split pin, 10-R-shaped pin, 11-main frame, 12-baffle I, 13-connecting plate, 14-limiting pin, 15-base, 16-baffle II, 17-baffle III, 18-locking plate.

FIG. 8 is a schematic view of the portable ladder of the present invention;

fig. 9 is a schematic view of the portable ladder pick-and-place device of the present invention.

The above figures identify: 19-portable ladder rack, 20-portable ladder, 21 walking bedplate.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 3, 4 and 5, the portable ladder placing rack comprises a slide way 1, a lower support 2, an upper support 3, a sliding pin 4, a gasket I5, a rotating pin 6, a gasket II 7, a lock pin 8, a split pin 9 and an R-shaped pin 10.

The slideway 1 is arranged above a walking board of the vehicle and provides support for the upper bracket and the lower bracket; the lower bracket 2 is arranged in the slideway 1 and can slide linearly in the slideway 1; the upper support 3 is used for placing a portable ladder, the upper support 3 is hinged on the lower support 2, the upper support 3 can slide linearly in the slideway 1 along with the lower support 2, the lower support 2 slides to the tail end of the slideway 1, and the upper support 3 can turn over around a hinge point, so that the portable ladder is guided to a ground easy-to-operate space from a space needing to be climbed on the upper vehicle; the lockpin 8 is arranged on the upper bracket 3, and the lockpin 8 is matched with the slideway 1 to limit the upper bracket 3 on the slideway 1.

Further scheme: the slideway 1 consists of two guide rails which are arranged in parallel and symmetrically; when the upper frame 3 slides along the lower frame 2, the upper frame 3 slides along the top surfaces of the two rails. The bottom surface of the guide rail protrudes outwards to the top surface of the guide rail by a preset distance, the protruding part of the bottom surface of the guide rail is provided with a row of mounting holes which are evenly spaced along the long edge direction of the guide rail, and the guide rail is fixed on the walking board by matching bolts with the mounting holes.

As shown in fig. 6, the lower bracket 2 mainly comprises a main frame 11, a baffle i 12, a connecting plate 13 and a limit pin 14; the main frame 11 is arranged in the slideway 1, and the short side surfaces at two sides of the main frame 11 are respectively supported on the sliding chute of the slideway 1 in a sliding way through a connecting piece I; the connecting plate 13 is arranged on the front long side surface of the main frame 11, and the connecting plate 13 is provided with a hinge hole hinged with the upper bracket 3; a barrier i 12 is installed on the upper surface of the main frame 11 for restraining the portable ladder. A limiting pin 14 for limiting the overturning of the upper bracket 3 is mounted on the connecting plate 13.

The preferable scheme is as follows: the connecting piece I consists of a sliding pin 4, a gasket I5 and a split pin 9; through holes are formed in the short side surfaces of two sides of the main frame 11, the rod part of the sliding pin 4 penetrates into the through holes and the sliding grooves in sequence, and the diameter of the head part of the sliding pin 4 is larger than the inner diameter of the through holes, so that the head part of the sliding pin 4 is limited outside the through holes; gasket I5 suit is on the pole portion of the sliding pin 4 of following out in the spout, and the diameter of gasket I5 is greater than the internal diameter of spout for gasket I5 restriction is in the spout outside, and it is spacing to accomplish the gasket I5 axial on the pole portion of sliding pin 4 to insert through split pin 9.

As shown in fig. 7, the upper bracket 3 mainly comprises a base 15, a baffle ii 16, a baffle iii 17 and a locking plate 18; the base 15 is provided with an ear plate with a hinge hole and is hinged with the connecting plate 13 of the lower bracket 2 through a connecting piece II;

the baffle II 16 is arranged at the rear end and the front end of the upper surface of the base 15 and used for limiting the front and back directions of the portable ladder; baffle III 17 interval install in the upper surface middle part department of base 15 for it is spacing to carry out left right direction to portable ladder. The locking plate 18 is arranged on the upper bracket 3, a locking hole is formed in the locking plate 18, the rod part of the lock pin 8 sequentially penetrates into the locking hole and the through hole in the slideway 1, and the diameter of the head part of the lock pin 8 is larger than the inner diameter of the locking hole, so that the head part of the lock pin 8 is limited outside the locking hole of the locking plate 18; an R-shaped pin 10 is inserted on the shank of the locking pin 8 that passes out of a through hole in the slideway 1.

The preferable scheme is as follows: the connecting piece II consists of a rotating pin 6, a gasket II 7 and a split pin 9; the rod part of the rotating pin 6 penetrates into the hinge hole of the ear plate and the hinge hole of the connecting plate 13 in sequence, and the diameter of the head part of the rotating pin 6 is larger than the inner diameter of the hinge hole, so that the head part of the rotating pin 6 is limited at the outer side of the hinge hole of the ear plate; the gasket II 7 is sleeved on the rod part of the rotating pin 6 penetrating out of the hinge hole of the connecting plate 13, and the diameter of the gasket II 7 is larger than the inner diameter of the hinge hole, so that the gasket II 7 is limited on the outer side of the hinge hole of the connecting plate 13 and is inserted into the rod part of the rotating pin 6 through the open pin 9 to complete axial limiting of the gasket II 7.

The using process is as follows: portable ladder rack 19 passes through the bolt fastening and walks on platen 21, and when portable ladder 20 was in the state of placing, portable ladder 20 was in 3 tops of upper bracket, and is spacing through I12, II 16 of baffle and the III 17 of preface baffle, prevents that the vehicle from going the in-process ladder and breaking away from the rack. The lock pin 8 locks the upper frame 3 and the chute 1 to prevent the upper frame 3 from moving in this state (as shown in fig. 8). When the portable ladder 20 is to be taken down, firstly, the lock pin 8 and the R-shaped pin 10 are pulled down, then the upper bracket 3 is pulled, the lower bracket 2 and the sliding pin 4 are driven to slide to the tail end in the slideway 1; the upper support 3 and the portable ladder 20 are turned by 90 ° by rotating the pin 6 until the stopper pin 14 and the upper support 3 come into contact with the stopper, and then the ladder is taken out from above (as shown in fig. 9). During the overturning process, the baffle II 16 and the baffle III 17 can prevent the portable ladder 20 from being separated from the upper bracket 3. When the portable ladder 20 is used up, the portable ladder is put into the upper bracket 3 from the upper side, then is rotated by 90 degrees to be horizontal, pushes the upper bracket 3 to drive the lower bracket 2 and the sliding pin 4 to move to a placing state, and inserts the lock pin 8 and the R-shaped pin 10 to lock the upper bracket 3.

According to the above, the utility model provides a portable rack for ladder, its mainly used portable ladder accomodates and fixes when non-user state, and this mechanism has characteristics such as flexible, the 90 degrees upset of push-and-pull. The placing rack is fixed at the edge of a walking board of the chassis of the engineering machinery vehicle, and when the portable ladder is in a non-use state, the portable ladder can be horizontally placed and fixed on the placing rack; when the portable ladder is to be used, the portable ladder is firstly pulled out of the edge of the walking board through the slideway mechanism, and then is turned downwards for 90 degrees through the rotating mechanism, and at the moment, a user can stand on the ground to take out the portable ladder. The device avoids the user to climb to the limited space of walking board or frame bottom and takes portable ladder, has promoted the convenience of use.

It should be noted that, in the above mentioned structural form of pushing, pulling and turning, the portable ladder is guided from the space where the portable ladder needs to climb to the ground easy-to-operate space, and the operation is flexible, convenient and highly humanized. However, the push-pull mechanism is not limited to the slide configuration described herein, and other continuous movement mechanisms are within the scope of protection.

The above mentioned limit mechanism for placing and taking the portable ladder can prevent the portable ladder from separating from the rack when the vehicle travels, and can prevent the portable ladder from falling off when the vehicle overturns. However, the portable ladder limiting mechanism is not limited to the baffle combination mentioned in the text, and any mechanism for preventing the portable ladder from being separated from the placing rack when the vehicle travels and the upper bracket overturns is within the protection range.

The utility model also discloses an engineering machine, including walking platen 21 and portable ladder 20, walk and install foretell portable ladder rack 19 on the platen 21, portable ladder 20 is installed on portable ladder rack 19.

It should be noted that the walking boards are generally arranged on two sides of the chassis of the engineering machinery, and are used for the operator to walk and play a role in decorating and protecting the appearance of the product.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.

Claims

1. A portable ladder rack, comprising:

a slide rail arranged above a deck of a vehicle;

2. A portable ladder rack as defined in claim 1 wherein the lower rack comprises:

3. A portable ladder rack as defined in claim 2 in which:

the connecting piece I consists of a sliding pin, a gasket I and a split pin;

through holes are formed in the short side surfaces of the two sides of the main frame, the rod part of the sliding pin penetrates into the through hole and the sliding groove in sequence, and the diameter of the head part of the sliding pin is larger than the inner diameter of the through hole, so that the head part of the sliding pin is limited outside the through hole;

the I suit of gasket is on the pole portion of the sliding pin that wears out from the spout, and the diameter of gasket I is greater than the internal diameter of spout for I restriction of gasket is in the spout outside, and it is spacing to accomplish I axial of gasket on the pole portion of sliding pin to insert through the split pin.

4. A portable ladder rack as defined in claim 2 in which:

and a limiting pin for limiting the upper bracket in a rotary overturning way is arranged on the connecting plate.

5. A portable ladder rack as defined in claim 1, wherein the upper rack comprises:

6. A portable ladder rack as defined in claim 5 in which:

the connecting piece II consists of a rotating pin, a gasket II and a split pin;

the rod part of the rotating pin penetrates into the hinge hole of the ear plate and the hinge hole of the connecting plate in sequence, and the diameter of the head part of the rotating pin is larger than the inner diameter of the hinge hole, so that the head part of the rotating pin is limited on the outer side of the hinge hole of the ear plate;

the second gasket is sleeved on the rod part of the rotary pin penetrating out of the hinge hole of the connecting plate, and the diameter of the second gasket is larger than the inner diameter of the hinge hole, so that the second gasket is limited outside the hinge hole of the connecting plate and is inserted into the rod part of the rotary pin through the cotter pin to complete axial limiting of the second gasket.

7. A portable ladder rack as defined in claim 1 in which:

the locking component consists of a locking plate, a locking pin and an R-shaped pin;

the lock plate is arranged on the upper support, a lock hole is formed in the lock plate, the rod part of the lock pin penetrates into the lock hole and the through hole in the slide rail in sequence, and the diameter of the head part of the lock pin is larger than the inner diameter of the lock hole, so that the head part of the lock pin is limited outside the lock hole of the lock plate;

the R-shaped pin is inserted into the rod part of the lock pin which penetrates out of the through hole in the slide way.

8. A portable ladder rack as defined in claim 1 in which:

the slideway consists of two guide rails which are arranged in parallel and symmetrically;

when the upper bracket slides along the lower bracket, the upper bracket slides along the top surfaces of the two guide rails.

9. A portable ladder rack as defined in claim 8 in which:

the bottom surface of the guide rail protrudes outwards from the top surface of the guide rail by a preset distance, a row of mounting holes which are uniformly spaced along the long side direction of the guide rail are arranged on the protruding part of the bottom surface of the guide rail, and the guide rail is fixed on the walking board by matching bolts with the mounting holes.

10. An engineering machine comprises a walking board and a portable ladder, and is characterized in that:

the portable ladder placing rack as claimed in any one of claims 1 to 9 is mounted on the walking board, and the portable ladder is mounted on the portable ladder placing rack.