CN212716399U

CN212716399U - Tensioning device in rear ladder of oil tank truck

Info

Publication number: CN212716399U
Application number: CN202021377120.0U
Authority: CN
Inventors: 王庆芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-03-16
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a tensioning device in a rear ladder stand of an oil tank truck, which comprises a truck body, wherein the outer side wall of the truck body is provided with a third groove, the inner side wall of the third groove is bilaterally symmetrically provided with two fourth grooves, the inner side wall of the fourth groove is welded with a spring, one end of the spring is welded with a T-shaped rod body, one end of the T-shaped rod body is welded with a ladder stand body, the inner side wall of the third groove is provided with a fifth groove, the inner side wall of the fifth groove is provided with an air cylinder, the output end of the air cylinder is fixedly connected with the outer side wall of the ladder stand body, the ladder stand body is driven to move through the output end of the air cylinder, the T-shaped rod body is driven to extrude the spring, so that the T-shaped rod body is reversely extruded through the reverse thrust of the spring, thereby being convenient for the staff to climb.

Description

Tensioning device in rear ladder of oil tank truck

Technical Field

The utility model relates to a tank wagon technical field specifically is a overspeed device tensioner in tank wagon's back cat ladder.

Background

A tank wagon; the system is also called a mobile refueling truck, a computer tax control refueling truck, an oil guide tank truck, an oil loading truck, an oil transporting truck, an oil pulling truck, an oil transporting truck and an edible oil transporting truck, is mainly used for transporting and storing petroleum derivatives (petroleum products such as gasoline, diesel oil, crude oil, lubricating oil and coal tar), has various refueling or oil transporting functions according to different purposes and use environments, and has the functions of oil absorption, oil pumping, various oil split charging, split charging and the like. The special part of the oil truck consists of a tank body, a power takeoff, a transmission shaft, a gear oil pump, a pipe network system and other parts. The pipe network system consists of an oil pump, a three-way four-position ball valve, a two-way ball valve, a filter screen and a pipeline, and all oil tank trucks can be designed into chemical industry trucks and various heating and heat-preserving series tank bodies; all the oil tank trucks can be equipped with computer oiling machines; the tonnage of the user is selected in a wide range so as to meet the user requirement; the tank body is internally provided with a plurality of wave-proof partition plates. High-pressure gas leakage test is adopted, so that the tank body has the characteristics of high strength, stable gravity center, safe and stable vehicle carrying and the like.

The rear crawling ladder of the existing oil tank truck is easy to cause shaking of the crawling ladder due to upward climbing of workers in use, the crawling ladder is inconvenient for workers to climb, the rear crawling ladder is still located behind the oil tank truck when the rear crawling ladder is not used, the rear crawling ladder is inconvenient to store, non-workers can climb at will, and therefore safety threats are easy to cause, and therefore the tensioning device in the rear crawling ladder of the oil tank truck is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a overspeed device tensioner in tank wagon's back cat ladder to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tensioning device in a rear ladder stand of an oil tank truck comprises a truck body, wherein a third groove is formed in the outer side wall of the truck body, two fourth grooves are symmetrically formed in two sides of the inner side wall of the third groove, a spring is welded on the inner side wall of each fourth groove, a T-shaped rod is welded at one end of the spring, a ladder stand body is welded at one end of the T-shaped rod, a fifth groove is formed in the inner side wall of the third groove, an air cylinder is installed on the inner side wall of the fifth groove, the output end of the air cylinder is fixedly connected to the outer side wall of the ladder stand body, a first inner groove is formed in the inner side wall of the third groove, a motor is installed on the inner side wall of the first inner groove, a first threaded rod is fixedly connected to the output shaft of the motor, an L-shaped rod is in threaded connection, the ladder stand is characterized in that a second groove is formed in the lower surface of the ladder stand body, a T-shaped block body is connected to the inside of the second groove in a sliding mode, and a first through hole is formed in the inside of the T-shaped block body and the inner side wall of the first groove.

As further preferable in the present technical solution: the upper surface welding of automobile body has the slide rail, the lateral wall sliding connection of cat ladder body in the inside of slide rail.

As further preferable in the present technical solution: the fixing rod is welded on the inner side wall of the first inner groove, and the outer side wall of the fixing rod penetrates through the L-shaped rod.

As further preferable in the present technical solution: the outer side wall welding of cat ladder body has equidistance evenly distributed's second bracing piece, the one end welding of second bracing piece has first bracing piece.

As further preferable in the present technical solution: the front surface of the car body is symmetrically hinged with two door bodies.

As further preferable in the present technical solution: the outer wall welding of the door body has the fixed block, one the outer wall welding of fixed block has the stopper, another the sixth recess has been seted up to the lateral wall of fixed block, the equal threaded connection of interior roof and the interior diapire of sixth recess has the second threaded rod, two spacing grooves have been seted up to the lateral wall symmetry of stopper.

Compared with the prior art, the beneficial effects of the utility model are that:

the crawling ladder comprises a crawling ladder body, a spring, a cylinder output end, a T-shaped rod body, a tensioning fixing device and a control device, wherein the crawling ladder body is driven to move through the output end of the cylinder and drives the T-shaped rod body to extrude the spring, so that the T-shaped rod body is reversely extruded through the reverse thrust of the spring, the crawling ladder body is tensioned and fixed, and the crawling ladder body is prevented from shaking when a worker climbs, so that the worker can climb;

two, drive the cat ladder body through the cylinder output and remove, make the cat ladder body get into in the third recess, T-shaped block body gets into first recess, drive first threaded rod through motor output shaft and rotate, make and drive L shape pole and remove, thereby make L shape pole insert two first through-holes simultaneously, it fixes the cat ladder body, thereby when not using, accomodate back cat ladder, avoid non-working personnel to scramble at will, thereby prevent to cause the security threat.

Drawings

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

FIG. 2 is a schematic side view of the vehicle body of the present invention;

fig. 3 is the schematic view of the internal sectional structure of the middle fixing block of the present invention.

In the figure: 1. a vehicle body; 2. fixing the rod; 3. a motor; 4. a first inner tank; 5. an L-shaped rod; 6. a first threaded rod; 7. a first groove; 8. a T-shaped block body; 9. a first through hole; 10. a second groove; 11. a first support bar; 12. a second support bar; 13. a ladder body; 14. a T-shaped rod body; 15. a third groove; 16. a fourth groove; 17. a slide rail; 18. a spring; 19. a cylinder; 20. a fifth groove; 21. a door body; 22. a fixed block; 23. a sixth groove; 24. a limiting groove; 25. a limiting block; 26. a second threaded rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a tensioning device in a rear ladder stand of an oil tank truck comprises a truck body 1, a third groove 15 is formed in the outer side wall of the truck body 1, two fourth grooves 16 are symmetrically formed in two sides of the inner side wall of the third groove 15, a spring 18 is welded on the inner side wall of each fourth groove 16, a T-shaped rod 14 is welded at one end of each spring 18, a ladder stand body 13 is welded at one end of each T-shaped rod 14, a fifth groove 20 is formed in the inner side wall of each third groove 15, an air cylinder 19 is installed on the inner side wall of each fifth groove 20, the output end of each air cylinder 19 is fixedly connected to the outer side wall of each ladder stand body 13, a first inner groove 4 is formed in the inner side wall of each third groove 15, a motor 3 is installed on the inner side wall of each first inner groove 4, a first threaded rod 6 is fixedly connected to the output shaft of each motor 3, second recess 10 has been seted up to cat ladder body 13's lower surface, and the inside sliding connection of second recess 10 has T shape block 8, and first through-hole 9 has all been seted up to the inside of T shape block 8 and the inside wall of first recess 7, and the front surface mounting of automobile body 1 has the switch that is used for controlling motor 3 and cylinder 19 to start and close, and the switch is connected with external commercial power for supply power for two motor 3 and cylinder 19.

In this embodiment, specifically: the upper surface welding of automobile body 1 has slide rail 17, and the lateral wall sliding connection of cat ladder body 13 is in the inside of slide rail 17 for through the setting of slide rail 17, restrict the removal of cat ladder body 13, make it can only carry out horizontal migration.

In this embodiment, specifically: the welding of the inside wall of first inside groove 4 has dead lever 2, and the lateral wall of dead lever 2 runs through in the inside of L shape pole 5, through the setting of dead lever 2, restricts L shape pole 5's removal, avoids L shape pole 5 to rotate along with the rotation of first threaded rod 6 for L shape pole 5 can carry out horizontal migration.

In this embodiment, specifically: the welding of the lateral wall of cat ladder body 13 has equidistance evenly distributed's second bracing piece 12, and the welding of the one end of second bracing piece 12 has first bracing piece 11, sets up through the combination of second bracing piece 12 and first bracing piece 11 for protect the staff when climbing cat ladder body 13.

In this embodiment, specifically: the front surface symmetry of automobile body 1 articulates there are two door bodies 21, through the setting of door body 21 for accomodate the back at cat ladder body 13 and protect cat ladder body 13.

In this embodiment, specifically: the outer wall welding of the door body 21 has fixed block 22, the outer wall welding of a fixed block 22 has stopper 25, sixth recess 23 has been seted up to the outer wall of another fixed block 22, the equal threaded connection of interior roof and interior bottom wall of sixth recess 23 has second threaded rod 26, two spacing grooves 24 have been seted up to stopper 25's lateral wall symmetry, through rotating two second threaded rods 26, make two second threaded rods 26 get into two spacing grooves 24 simultaneously, thereby fix two fixed blocks 22, it fixes two door bodies 21.

Working principle or structural principle, when in use, before a worker climbs, the air cylinder 19 is powered on, the output end of the air cylinder 19 drives the ladder body 13 to move, so that the ladder body 13 slides in the slide rail 17, the ladder body 13 drives the T-shaped rod body 14 to slide in the fourth groove 16, so that the T-shaped rod body 14 extrudes the spring 18, the T-shaped rod body 14 is reversely extruded by the reverse thrust generated by the spring 18, the ladder body 13 is tensioned and fixed, the ladder body 13 is prevented from shaking during climbing, when the ladder body 13 is not used, the T-shaped block 8 slides to the inside of the second groove 10, the ladder body 13 is driven by the output end of the air cylinder 19 to enter the inside of the third groove 15, when the T-shaped block 8 is close to the first groove 7, the T-shaped block 8 automatically slides downwards by gravity and enters the inside of the first groove 7, then switch on motor 3, drive first threaded rod 6 through motor 3's output shaft and rotate to drive L shape pole 5 and remove, make L shape pole 5 insert the inside of two first through-holes 9 simultaneously, fix T-shaped block body 8 and cat ladder body 13, then close a body 21, make stopper 25 get into the inside of sixth recess 23, rotate two second threaded rods 26 simultaneously to the inside of spacing groove 24, it fixes two bodies 21.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a overspeed device tensioner in rear ladder of tank wagon, includes automobile body (1), its characterized in that: the outer side wall of the vehicle body (1) is provided with a third groove (15), two fourth grooves (16) are symmetrically formed in two sides of the inner side wall of the third groove (15), a spring (18) is welded on the inner side wall of each fourth groove (16), a T-shaped rod body (14) is welded at one end of each spring (18), a ladder stand body (13) is welded at one end of each T-shaped rod body (14), a fifth groove (20) is formed in the inner side wall of each third groove (15), an air cylinder (19) is installed on the inner side wall of each fifth groove (20), the output end of each air cylinder (19) is fixedly connected to the outer side wall of each ladder stand body (13), a first inner groove (4) is formed in the inner side wall of each third groove (15), a motor (3) is installed on the inner side wall of each first groove (4), and a first threaded rod (6) is fixedly, the outer side wall threaded connection of first threaded rod (6) has L shape pole (5), first recess (7) have been seted up to the inner bottom wall of third recess (15), second recess (10) have been seted up to the lower surface of cat ladder body (13), the inside sliding connection of second recess (10) has T shape block (8), the inside of T shape block (8) with first through-hole (9) have all been seted up to the inside wall of first recess (7).

2. The tensioning device in the rear ladder of the oil tank truck is characterized in that: the upper surface welding of automobile body (1) has slide rail (17), the lateral wall sliding connection of cat ladder body (13) in the inside of slide rail (17).

3. The tensioning device in the rear ladder of the oil tank truck is characterized in that: the fixing rod (2) is welded to the inner side wall of the first inner groove (4), and the outer side wall of the fixing rod (2) penetrates through the L-shaped rod (5).

4. The tensioning device in the rear ladder of the oil tank truck is characterized in that: the outer side wall welding of cat ladder body (13) has equidistance evenly distributed's second bracing piece (12), the one end welding of second bracing piece (12) has first bracing piece (11).

5. The tensioning device in the rear ladder of the oil tank truck is characterized in that: the front surface of the car body (1) is symmetrically hinged with two door bodies (21).

6. The tensioning device in the rear ladder of the oil tank truck is characterized in that: the outer wall welding of the door body (21) has fixed block (22), one the outer wall welding of fixed block (22) has stopper (25), another sixth recess (23) have been seted up to the outer wall of fixed block (22), the equal threaded connection of interior roof and interior bottom wall of sixth recess (23) has second threaded rod (26), two spacing grooves (24) have been seted up to the outer wall symmetry of stopper (25).