CN211335769U

CN211335769U - Ladder stand fixing device

Info

Publication number: CN211335769U
Application number: CN201922207038.7U
Authority: CN
Inventors: 曹剑; 余武林; 郑友华; 王波; 黄凤
Original assignee: Lingbayi Electronic Group Sichuan Honglun Machinery Co ltd
Current assignee: Lingbayi Electronic Group Sichuan Honglun Machinery Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-08-25
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a ladder stand fixing device, a main body support is attached to the outer surface of an oil tank, a first end of the main body support is hinged with the oil tank support, a second end of the main body support is hinged with a second end of a strap, the first end of the strap is connected with the main body support through a tensioning device, the tensioning device is used for adjusting the tensioning degree of the strap, and the main body support is fixed on the outer surface of the oil tank through the strap; the ladder placing groove is fixed on the outer surface of the main body support and used for limiting the ladder. The tensioning degree through adjusting the strap can adapt to the oil tank of unidimensional not, and application scope is wide, makes things convenient for placing of cat ladder through putting the ladder groove, realizes getting fast and puts the cat ladder.

Description

Ladder stand fixing device

Technical Field

The utility model relates to a ladder field further relates to a cat ladder fixing device.

Background

The large truck is very high in height, and a herringbone ladder needs to be arranged for convenient overhauling and use so as to facilitate checking and overhauling of personnel, and the herringbone ladder is fixed along with the truck. The herringbone ladder is generally stored at the lower part of the chassis, the upper part of the platform or the cabin wall of the shelter, the fixing modes comprise a bracket type and a box type, the box type is adopted, the occupied space is large, the placing and taking processes are complicated, and the quick unfolding and folding are difficult to realize; the bracket type structure needs to be welded with a fixing piece at a corresponding position, and the universality is not high.

For those skilled in the art, how to quickly fold and unfold the herringbone ladder is a technical problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cat ladder fixing device can accomplish getting of cat ladder fast and put the operation, and the concrete scheme is as follows:

a ladder stand securement device comprising:

the main body bracket is attached to the outer surface of the oil tank, and the first end of the main body bracket is hinged with the oil tank bracket;

a strap, a first end of the strap being hinged to a second end of the body bracket;

the tensioning device is connected with the second end of the strap and the oil tank bracket and used for adjusting the tensioning degree of the strap;

the ladder placing groove is fixed on the outer surface of the main body support and used for limiting the ladder.

Optionally, the tensioning device comprises an adjustment block fixed to the strap and a swing bolt hinged to the tank bracket; the adjusting block penetrates through the swing bolt and is in threaded connection with a nut.

Optionally, a support bolt is inserted into a side wall of the mounting groove of the oil tank bracket, and the swing bolt is sleeved on the support bolt; the support bolt is sleeved with two limiting shaft sleeves, and the swing bolt is located between the two limiting shaft sleeves.

Optionally, the adjusting block is a U-shaped groove, the bottom surface of the adjusting block is fixedly connected with the strap by bolts, and a plurality of openings for connecting the adjusting block are formed in the strap along the length direction.

Optionally, the ladder further comprises a locking frame fixed on the herringbone ladder, and a locking pin is arranged on the locking frame and can be inserted into an opening on the side wall of the main body support to achieve positioning.

Optionally, the locking pin includes a pin sleeve and a pin shaft, the pin sleeve is fixed to the locking frame, the pin shaft is inserted into the pin sleeve, and a spring for ejecting the pin shaft is disposed in the pin sleeve.

Optionally, a through hole is formed in the pin shaft, and the reed is inserted into the through hole to realize limiting.

Optionally, a reinforcing rib is arranged at the bottom of the ladder placing groove.

The utility model provides a ladder stand fixing device, the main part support is laminated in the surface of oil tank, the first end of main part support is articulated with the oil tank support, the second end of main part support is articulated each other with the second end of strap, the first end of strap is connected through overspeed device tensioner with the main part support, overspeed device tensioner is used for adjusting the tensioning degree of strap, fix the main part support in the outward appearance of oil tank through the strap; the ladder placing groove is fixed on the outer surface of the main body support and used for limiting the ladder. The tensioning degree through adjusting the strap can adapt to the oil tank of unidimensional not, and application scope is wide, makes things convenient for placing of cat ladder through putting the ladder groove, realizes getting fast and puts the cat ladder.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1A is a front view of the ladder stand fixing device of the present invention mounted on an oil tank;

FIG. 1B is a right side view of FIG. 1A;

FIG. 2 is a schematic view of the tensioner;

fig. 3 is a partially enlarged view of the interaction between the ladder way and the main body bracket.

The figure includes:

the device comprises a main body support 1, a strap 2, a tensioning device 3, an adjusting block 31, an eyelet bolt 32, a ladder placing groove 4, a supporting bolt 5, a limiting shaft sleeve 51, a locking frame 6, a locking pin 7, a pin sleeve 71 and a pin shaft 72.

Detailed Description

The core of the utility model is to provide a cat ladder fixing device, can accomplish fast the operation of getting of cat ladder and put.

In order to make those skilled in the art better understand the technical solution of the present invention, the ladder fixing device of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1A, in order to install the ladder stand fixing device on the oil tank, fig. 1B is a right side view of fig. 1A; the ladder stand fixing device comprises a main body bracket 1, a strap 2, a tensioning device 3, a ladder placing groove 4 and other structures, wherein A represents an oil tank, and B represents a ladder stand; the main body support 1 is attached to the outer surface of an oil tank, the main body support 1 is roughly vertically arranged and attached to the vertical side face of the oil tank, the first end of the main body support 1 is hinged to the oil tank support, the first end is the lower end of the main body support 1 in the figure 1A, and the main body support 1 can rotate relative to the oil tank support.

The first end of the strap 2 is hinged with the second end of the main body support 1, the second end of the main body support 1 is the upper end in the figure 1A, and the strap 2 is transversely arranged and attached to the upper surface of the oil tank; the first end of the clamping band 2 is the right end in fig. 1A, and the right end of the clamping band 2 is hinged with the top end of the main bracket 1; the oil tank support is "L" shape, and the bottom is used for providing the support to the oil tank, and the lateral part is used for linking to each other with the frame, and oil tank support, strap 2 and main part support 1 surround the oil tank.

The tensioning device 3 is used for connecting the second end of the strap 2 with the oil tank bracket, that is, the left end of the strap 2 in fig. 1A is connected with the oil tank bracket oppositely, and the tensioning device 3 is used for adjusting the tensioning degree of the strap 2, so that the strap 2 applies a pulling force towards the vehicle body direction to the top end of the main body bracket 1, and the main body bracket 1 is tightly attached to the outer surface of the oil tank.

The oil tank provides the holding power by the oil tank support, the bottom of main part support 1 is articulated with the oil tank support, can adopt bolt isotructure to realize articulated, consequently, the position of 1 bottom of main part support does not take place to remove, the top of main part support 1 can be around the pivot swing of bottom, and the top of main part support 1 is articulated with strap 2, the pulling force can be applyed on the top of main part support 1 to strap 2, change the tensile force of strap 2 through overspeed device tensioner, and then adjust the elasticity degree between main part support and the oil tank. Because the tension degree of the clamp belt 2 is adjustable, the device can be applied to oil tanks with different sizes and has strong universality.

The ladder placing grooves 4 are fixed on the outer surface of the main body support 1 and used for limiting the ladder to climb, as shown in fig. 1A, the ladder placing grooves 4 are U-shaped, the openings of the ladder placing grooves are upward, two ladder placing grooves 4 are vertically arranged on one main body support 1, and the two supports of the ladder can be respectively placed in the two ladder placing grooves 4; two or more main body supports 1 are arranged on one oil tank in parallel, two main body supports 1 are arranged as shown in figure 1B, and ladder placing grooves 4 on each main body support 1 are opposite to each other, so that ladder stands transversely extend.

When placing the cat ladder, with the cat ladder from being close to the oil tank side, from the top down put in the ladder groove 4, by putting the horizontal position of ladder groove 4 injects the cat ladder, provide the support to the cat ladder, realize quick taking out and place the cat ladder.

On the basis of the above solution, the tensioning device 3 of the present invention includes an adjusting block 31 and an eyelet bolt 32, as shown in fig. 2, which is a schematic structural diagram of the tensioning device 3; the adjusting block 31 is fixed on the strap 2, and the adjusting block 31 moves synchronously with the strap 2; one end of the swing bolt 32 is hinged to the oil tank support, the outer surface of the other end of the swing bolt 32 is provided with threads, the adjusting block 31 penetrates through the swing bolt 32, a nut is connected to the part, penetrating through the adjusting block 31, of the swing bolt 32 through the threads, the nut abuts against the adjusting block 31, and the tightness degree of the strap 2 is adjusted through screwing the nut.

The oil tank support is made of channel steel, a support bolt 5 is inserted on the side wall of an installation groove of the oil tank support, and an eyelet bolt 32 is sleeved on the support bolt 5, as shown in fig. 2, the left end of the eyelet bolt 32 is bent to be annular and is sleeved on the support bolt 5 and can rotate relative to the support bolt 5; two limiting shaft sleeves 51 are sleeved on the supporting bolt 5, the two limiting shaft sleeves 51 are respectively positioned on two sides of the swing bolt 32, the swing bolt 32 is positioned between the two limiting shaft sleeves 51, one end of each limiting shaft sleeve 51 is abutted against the side wall of the mounting groove of the oil tank support, the other end of each limiting shaft sleeve 51 is abutted against the swing bolt 32, the swing bolt 32 is kept at the middle position of the mounting groove through the two limiting shaft sleeves 51, deviation is avoided, and meanwhile contact friction between the swing bolt 32 and the side wall of the mounting groove is avoided.

Preferably, the adjusting block 31 in the present invention is a U-shaped groove, and the eyelet bolt 32 sequentially passes through two side walls of the adjusting block 31; the bottom surface of the adjusting block 31 can be fixedly connected with the strap 2 by bolts, and the strap 2 is provided with a plurality of openings along the length direction, so that the adjusting block 31 can be fixed at different positions of the strap 2.

On the basis of any one of the technical schemes and the mutual combination thereof, the utility model also comprises a locking frame 6 fixed on the herringbone ladder, as shown in figure 3, which is a partial enlarged view of the mutual matching of the ladder placing groove 4 and the main body bracket; the locking frame 6 is L-shaped, one side wall is relatively fixed with the ladder stand, and the other side wall is attached to the main body bracket; the locking frame 6 is provided with a locking pin 7, the locking pin 7 can be inserted into an opening on the side wall of the main body bracket 1 to realize positioning, and the stability of the ladder stand is further enhanced through the locking pin 7.

Preferably, the locking pin 7 of the present invention includes a pin sleeve 71 and a pin 72, the pin sleeve 71 is fixed on the locking frame 6, the pin sleeve 71 is a cylindrical structure, the pin 72 is inserted into the pin sleeve 71, a spring for ejecting the pin 72 is disposed in the pin sleeve 71, the spring exerts an elastic force on the pin 72, and the pin 72 can retract into the pin sleeve 71.

When the ladder is used, the pin shaft 72 is connected with the main body bracket 1, the pin shaft 72 retracts under pressure, and when the pin shaft 72 is aligned with the opening on the main body bracket 1, the pin shaft 72 is pushed outwards by the elastic force of the spring and extends into the opening, so that the ladder is prevented from moving out of the ladder placing groove; when the ladder stand is taken out, the pin shaft 72 is pressed inwards.

Furthermore, a through hole can be formed in the pin shaft 72, the direction of the through hole is perpendicular to the length direction of the pin shaft 72, the reed is inserted into the through hole to achieve limiting, and the reed is taken out before the pin shaft 72 is pressed.

As shown in figure 3, the bottom of the ladder placing groove 4 is provided with a reinforcing rib which is connected to the main body bracket 1, so that the ladder placing groove 4 is more stable.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A ladder stand securing device comprising:

the main body support (1) is attached to the outer surface of the oil tank, and the first end of the main body support (1) is hinged to the oil tank support;

the first end of the strap (2) is hinged with the second end of the main body bracket (1);

the tensioning device (3) is used for connecting the second end of the strap (2) with the oil tank bracket and adjusting the tensioning degree of the strap (2);

the ladder placing groove (4) is fixed on the outer surface of the main body support (1) and used for limiting the ladder.

2. Ladder fixing device according to claim 1, characterized in that the tensioning device (3) comprises an adjustment block (31) and a swing bolt (32), the adjustment block (31) being fixed to the strap (2), the swing bolt (32) being hinged to the tank bracket; the adjusting block (31) penetrates through the swing bolt (32) and is in threaded connection with a nut.

3. A ladder climbing fixing device according to claim 2, characterised in that a support bolt (5) is inserted into the side wall of the mounting groove of the tank support, and the swing bolt (32) is inserted onto the support bolt (5); two limiting shaft sleeves (51) are sleeved on the supporting bolt (5), and the swing bolt (32) is located between the two limiting shaft sleeves (51).

4. A ladder stand fixing device as claimed in claim 3 characterised in that the adjustment block (31) is a U-shaped channel, the underside of the adjustment block (31) is fixedly secured to the strap (2) by bolts, and the strap (2) is provided with a plurality of apertures along its length for connection to the adjustment block (31).

5. A ladder fixing device according to any one of claims 1 to 4 further including a locking bracket (6) fixed to the ladder, the locking bracket (6) being provided with a locking pin (7), the locking pin (7) being insertable into an aperture in a side wall of the body bracket (1) for location.

6. The ladder climbing fixing device according to claim 5, characterized in that the locking pin (7) comprises a pin sleeve (71) and a pin shaft (72), the pin sleeve (71) is fixed on the locking frame (6), the pin shaft (72) is inserted into the pin sleeve (71), and a spring for ejecting the pin shaft (72) is arranged in the pin sleeve (71).

7. A ladder stand fixing device as claimed in claim 6 characterised in that the pin (72) is provided with a through hole in which a spring plate is inserted to effect spacing.

8. A ladder fixing device according to claim 5, characterised in that a reinforcement is arranged at the bottom of the ladder storage trough (4).