CN218640753U - Portable ladder rack and engineering machine tool - Google Patents

Abstract

The utility model discloses a portable ladder placing frame and construction machinery, comprising a slideway, a lower bracket, an upper bracket and a locking part; the slideway is arranged above the walking platform of a vehicle; the lower bracket is installed in the slideway, and Slide in a straight line in the slideway; the upper bracket is used to place a portable ladder, the upper bracket is hinged on the lower bracket, and the upper bracket can follow the lower bracket to slide linearly in the slideway, after the lower bracket slides to the preset point of the slideway , the upper bracket can be flipped around the hinge point, so as to guide the portable ladder from the climbing space on the vehicle to the easy-to-operate space on the ground; the locking part is installed on the upper bracket, and the locking part cooperates with the slideway Limit the upper bracket on the slideway. The utility model can flexibly place the ladder on the platform of the chassis or other positions convenient for operation, so that the operator can pick and place the ladder while standing on the ground, without additional passages, flexible and simple operation, and good humanization.

Description

A portable ladder placement frame and construction machinery

technical field

The utility model relates to a portable ladder placing frame, which belongs to the field of engineering machinery.

Background technique

Portable ladders can be used by hand instead of borrowing for mechanical handling and security ladders. In construction machinery, they are often used for climbing or entering the passageway of the control room of the vehicle. shown.

The prior art solution is mainly to hang the portable ladder 100 on the fence 300 of the boarding control room 200 through the hook 400 . When the portable ladder 100 is to be used, it is necessary to reach the fence 300 of the boarding control room 200 through the alighting channel;

It can be seen from the above introduction that for the technical solution, it is necessary to enter the vicinity of the boarding control room (located above the vehicle chassis, which is the pod for manipulating the boarding working device) through an additional alighting channel before continuing to use the portable ladder. Additional requirements are added to the alighting passage, on the other hand, the use position of the portable ladder is limited, and the convenience is poor; secondly, when the portable ladder is placed, it will block part of the passage into the control room fence, which is inconvenient for the operator to enter and exit .

Utility model content

The utility model provides a new type of portable ladder rack. The technical scheme can flexibly place the ladder on the platform of the chassis or other positions convenient for operation, so that the operator can pick and place the ladder while standing on the ground without additional channels. , flexible and simple operation, good humanization.

The utility model is realized according to the following technical solutions:

The first aspect of the utility model discloses a portable ladder rack, including:

The slideway is arranged above the walking platform of the vehicle;

The lower bracket is installed in the slideway and can slide linearly in the slideway;

The upper bracket is used to place a portable ladder. The upper bracket is hinged on the lower bracket. The upper bracket can follow the lower bracket to slide linearly in the slideway. After the lower bracket slides to the preset point of the slideway, the upper bracket can Flip around the hinge point to guide the portable ladder from the climbing space on the vehicle to the easy-to-operate space on the ground;

The locking part is installed on the upper bracket, and the locking part cooperates with the slideway to limit the upper bracket on the slideway.

In some embodiments, the lower bracket includes:

The main frame is arranged in the slideway, and the short side surfaces on both sides of the main frame are slidably supported on the chute of the slideway through a connecting piece I;

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

The baffle I is installed on the upper surface of the main frame, and is used to limit the position of the portable ladder.

In some embodiments, the connector I is composed of a sliding pin, a washer I and a cotter pin; through holes are provided on both short sides of the main frame, and the rods of the sliding pins are sequentially inserted into the through holes and the chute, and the diameter of the head of the sliding pin is larger than the inner diameter of the through hole, so that the head of the sliding pin is limited outside the through hole; the gasket I is set on the rod of the sliding pin passing through the chute, And the diameter of the spacer I is larger than the inner diameter of the chute, so that the spacer I is limited outside the chute, and the cotter pin is inserted on the rod of the sliding pin to complete the axial limit of the spacer I.

In some embodiments, the connecting plate is installed with a limit pin for limiting the rotation and flipping of the upper bracket.

In some embodiments, the upper bracket includes:

The base is provided with an ear plate with hinged holes, and is hinged with the lower bracket through the connecting piece II;

The baffle II is installed at the rear end and the front end of the upper surface of the base, and is used to limit the front and rear directions of the portable ladder;

The baffle III is installed at intervals in the middle of the upper surface of the base, and is used to limit the left and right directions of the portable ladder.

In some embodiments, the connecting piece II is composed of a rotating pin, a washer II and a cotter pin; the shaft of the rotating pin penetrates into the reaming hole of the lug plate and the reaming hole of the connecting plate in turn, and the head of the rotating pin The diameter of the part is greater than the inner diameter of the reaming hole, so that the head of the rotating pin is limited outside the reaming hole of the ear plate; the gasket II is set on the rod of the rotating pin passing through the reaming hole of the connecting plate, and the gasket II The diameter is greater than the inner diameter of the reaming hole, so that the gasket II is limited to the outside of the reaming hole of the connecting plate, and the cotter pin is inserted on the rod of the rotating pin to complete the axial limit of the gasket II.

In some embodiments, the locking part is composed of a lock plate, a lock pin and an R-shaped pin; the lock plate is installed on the upper bracket, and the lock plate is provided with a lock hole, and the lock pin The rod part is inserted into the lock hole and the through hole on the slideway in sequence, and the head diameter of the lock pin is greater than the inner diameter of the lock hole, so that the head of the lock pin is limited to the outside of the lock hole of the lock plate; On the rod of the lock pin passing through the through hole on the slideway.

In some embodiments, the slideway is composed of two parallel and symmetrically arranged guide rails; when the upper bracket slides with 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 outward by a preset distance from the top surface of the guide rail, and a row of mounting holes evenly spaced along the direction of the long side of the guide rail is provided on the protruding part of the bottom surface of the guide rail. The bolts and the mounting holes Cooperate to fix the guide rail on the walking platform.

The second aspect of the utility model discloses a construction machine, which includes a walking platform and a portable ladder. The portable ladder is mounted on the walking platform, and the portable ladder is installed on the portable ladder.

Compared with the prior art, the utility model has beneficial effects:

(1) The utility model moves the portable ladder from the fence of the boarding control room to the top of the walking platform, which is convenient to use and is not restricted by the passageway for getting off the car, and is humanized.

(2) In this utility model, the restriction that the boarding control room can only be entered at a specific position is canceled, and the portable ladder can be used to enter the boarding control room at a desired position through convenient access to the portable ladder.

Description of drawings

The accompanying drawings, as a part of the utility model, are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, but do not constitute improper limitations to the utility model. Apparently, the drawings in the following description are only some embodiments, and those skilled in the art can also obtain other drawings according to these drawings without creative efforts.

In the attached picture:

Fig. 1 is the structural representation of portable ladder of prior art;

Fig. 2 is a placement diagram of a portable ladder of the prior art;

Above-mentioned accompanying drawings mark: 100-portable ladder, 101-ladder frame, 102-hook, 103-running stick, 200-get on the control room, 300-fence, 400-hook.

Fig. 3 is a structural schematic diagram of a portable ladder placement frame of the present invention;

Fig. 4 is an enlarged view of part I in Fig. 3;

Figure 5 is an enlarged view of Part II in Figure 3;

Figure 6 is a schematic diagram of the structure of the lower bracket of the utility model;

Fig. 7 is a schematic diagram of the structure of the upper support of the utility model;

The above drawings mark: 1- slideway, 2- lower bracket, 3- upper bracket, 4- slide pin, 5- spacer Ⅰ, 6- rotating pin, 7- spacer Ⅱ, 8- locking pin, 9- opening Pin, 10-R type pin, 11-main frame, 12-bezel I, 13-connecting plate, 14-limit pin, 15-base, 16-bezel II, 17-bezel III, 18-lock plate .

Fig. 8 is a schematic diagram of placement of the portable ladder of the present invention;

Fig. 9 is a schematic diagram of picking and placing the portable ladder of the present invention.

Above-mentioned accompanying drawings marks: 19-portable ladder placement frame, 20-portable ladder, 21 walking platform.

It should be noted that these drawings and text descriptions are not intended to limit the scope of the invention in any way, but illustrate the concept of the invention for those skilled in the art by referring to specific embodiments.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. The following embodiments are used for illustration The utility model, but not used to limit the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, use a specific The azimuth structure and operation, therefore can not be construed as the limitation of the present utility model.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

As shown in Fig. 3, Fig. 4 and Fig. 5, a portable ladder rack includes a slideway 1, a lower bracket 2, an upper bracket 3, a sliding pin 4, a gasket I5, a rotating pin 6, a gasket II7, and a locking pin 8, cotter pin 9, R type pin 10 form.

The slideway 1 is arranged above the walking platform of the vehicle to provide support for the upper and lower brackets; the lower bracket 2 is installed in the slideway 1 and can slide linearly in the slideway 1; the upper bracket 3 is used to place a portable ladder, and the upper bracket 3 The bracket 3 is hinged on the lower bracket 2, the upper bracket 3 can follow the lower bracket 2 to slide linearly in the slideway 1, the lower bracket 2 slides to the end of the slideway 1, and the upper bracket 3 can be turned around the hinge point, so that the portable ladder From the climbing space to be guided to the easy-to-operate space on the ground; the lock pin 8 is installed on the upper bracket 3, and the lock pin 8 cooperates with the slideway 1 to limit the upper bracket 3 on the slideway 1.

A further solution: the slideway 1 is composed of two parallel and symmetrical guide rails; when the upper bracket 3 slides with the lower bracket 2, the upper bracket 3 slides along the top surfaces of the two guide rails. The bottom surface of the guide rail protrudes outward from the top surface of the guide rail by a preset distance, and a row of installation holes along the direction of the long side of the guide rail are arranged on the protruding part of the guide rail, and the bolts cooperate with the installation holes to fix the guide rail on the walking platform superior.

As shown in Figure 6, the lower bracket 2 is mainly composed of the main frame 11, the baffle I12, the connecting plate 13, and the limit pin 14; the main frame 11 is arranged in the slideway 1, and the short sides of the main frame 11 pass through the A connecting piece I is slidingly supported on the chute of the slideway 1; the connecting plate 13 is installed on the front long side surface of the main frame 11, and the connecting plate 13 is provided with a hinged hole hinged with the upper bracket 3; the baffle I12 is installed On the upper surface of the main frame 11, it is used to limit the position of the portable ladder. The connecting plate 13 is provided with a limiting pin 14 for limiting the turning of the upper bracket 3 .

The preferred solution: the connector I is composed of a sliding pin 4, a gasket I5 and a cotter pin 9; through holes are provided on both short sides of the main frame 11, and the rod of the sliding pin 4 penetrates into the through hole and the chute in turn , and the diameter of the head of the sliding pin 4 is larger than the inner diameter of the through hole, so that the head of the sliding pin 4 is limited to the outside of the through hole; the gasket I5 is set on the rod of the sliding pin 4 passing through the chute, and the gasket The diameter of I5 is larger than the inner diameter of the chute, so that the spacer I5 is limited outside the chute, and the cotter pin 9 is inserted on the rod of the sliding pin 4 to complete the axial limitation of the spacer I5.

As shown in Figure 7, the upper bracket 3 is mainly composed of a base 15, a baffle II 16, a baffle III 17, and a lock plate 18; 13 hinged together;

The baffle plate II16 is installed at the rear end and the front end of the upper surface of the base 15, and is used to limit the front and rear directions of the portable ladder; limit. Lock plate 18 is installed on the upper support 3, and lock plate 18 is provided with lock hole, and the rod portion of lock pin 8 penetrates in the through hole on lock hole and slideway 1 successively, and the head diameter of lock pin 8 is larger than lock The inner diameter of the hole is such that the head of the lock pin 8 is limited to the outside of the lock hole of the lock plate 18;

The preferred solution: the connector II is composed of the rotating pin 6, the gasket II7 and the cotter pin 9; the rod of the rotating pin 6 penetrates into the reaming hole of the lug plate and the reaming hole of the connecting plate 13 in sequence, and the head of the rotating pin 6 The diameter is greater than the inner diameter of the reaming hole, so that the head of the rotating pin 6 is limited outside the reaming hole of the ear plate; the gasket II7 is set on the rod of the rotating pin 6 passing through the reaming hole of the connecting plate 13, and the gasket II7 The diameter is greater than the inner diameter of the reaming hole, so that the gasket II7 is limited outside the reaming hole of the connecting plate 13, and the cotter pin 9 is inserted on the rod of the rotating pin 6 to complete the axial limit of the gasket II7.

The use process is as follows: the portable ladder placing frame 19 is fixed on the walking platform 21 by bolts, when the portable ladder 20 is in the placed state, the portable ladder 20 is above the upper bracket 3, through the baffle plate I12, the baffle plate II 16 and the sequence baffle plate III 17 Limit the position to prevent the ladder from breaking away from the placement frame during the driving of the vehicle. The locking pin 8 locks the upper bracket 3 and the slideway 1 to prevent the upper bracket 3 from moving in this state (as shown in FIG. 8 ). When the portable ladder 20 is to be taken off, first pull out the locking pin 8 and the R-shaped pin 10, then pull the upper bracket 3, drive the lower bracket 2 and the sliding pin 4, and slide to the end in the slideway 1; The pin 6 turns the upper bracket 3 and the portable ladder 20 by 90° until the limit pin 14 and the upper bracket 3 contact the limit, and then the ladder is taken out from above (as shown in Figure 9). During the overturning process, the baffle plate II16 and the baffle plate III17 will prevent the portable ladder 20 from breaking away from the upper bracket 3 . After the portable ladder 20 is used up, put it into the upper bracket 3 from above, then rotate it 90° to the horizontal, push the upper bracket 3 to drive the lower bracket 2 and the sliding pin 4 to the placement state, insert the locking pin 8 and the R-shaped pin 10. Lock the upper bracket 3.

It can be seen from the above that the utility model provides a portable ladder rack, which is mainly used for storing and fixing the portable ladder when it is not in use. The placing frame is fixed on the edge of the walking platform of the construction machinery vehicle chassis. When the portable ladder is not in use, it can be placed horizontally and fixed on the placing frame; when the portable ladder is to be used, first pull the portable ladder through the slideway mechanism Walk off the edge of the platform, and then turn it down 90 degrees through the rotating mechanism. At this time, the user can take out the portable ladder by standing on the ground. The device prevents the user from climbing to the limited space at the bottom of the walking platform or the vehicle frame to access the portable ladder, thereby improving the convenience of use.

It should be noted that the above-mentioned push-pull and then flip structure guides the portable ladder from the climbing space required to get on the car to the easy-to-operate space on the ground, which is flexible, convenient and highly user-friendly. However, the push-pull mechanism is not limited to the slideway structure mentioned in the text, and other continuous movement mechanisms are within the scope of protection.

The above-mentioned limit mechanism for placing and picking up the portable ladder, on the one hand, prevents the portable ladder from detaching from the shelf when the vehicle is moving, and on the other hand, prevents the portable ladder from falling when it is overturned. However, the portable ladder limiting mechanism is not limited to the baffle combination mentioned in the article, and any mechanism that prevents the portable ladder from leaving the shelf when the vehicle is moving and the upper bracket is turned over is within the scope of protection.

The utility model also discloses a construction machine, which includes a walking platform 21 and a portable ladder 20. The above-mentioned portable ladder placing frame 19 is installed on the walking platform 21, and the portable ladder 20 is installed on the portable ladder placing frame 19.

It should be noted that the walking platform is generally arranged on both sides of the construction machinery chassis, which is used for the operator to walk, and at the same time plays a role of decoration and protection for the appearance of the product.

In the description provided herein, numerous specific details are set forth. However, it is understood 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 the understanding of this description.

In addition, those skilled in the art will understand that although some of the embodiments described herein include some features contained in other embodiments but not others, the combination of features of different embodiments also means that the invention is within the scope of the present invention. within the scope of protection and form different embodiments. For example, in the above embodiments, those skilled in the art can use them in combination according to the known technical solutions and the technical problems to be solved in this application.

The above descriptions are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Without departing from the scope of the technical solution of the utility model, the technicians of this patent may use the technical content of the above hints to make some changes or modify them into equivalent embodiments with equivalent changes, but all those that do not deviate from the technical solution of the utility model Content, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model still belong to the scope of the utility model solution.

Claims (10)

1. A portable ladder rack, comprising:

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.

2. A portable ladder rack as defined in claim 1 wherein 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.

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:

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.

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.

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