CN220996244U - Tank deck protector that manual control goes up and down - Google Patents

Abstract

The utility model relates to the technical field of tank trucks, and particularly discloses a tank top protection device capable of manually controlling lifting. The tank truck comprises a stand column railing rotationally connected to the tank top and a transverse guardrail rotationally connected to the stand column railing, wherein a crawling ladder extending to the tank top is arranged on one side of the tank truck, and the end part, close to the crawling ladder, of the transverse guardrail is rotationally connected with the crawling ladder guardrail; the lower part rigid coupling of cat ladder guardrail has rotatory central siphon, and the lower part both sides rigid coupling of cat ladder has lower guardrail fixed plate, all rigid couplings have the axle sleeve on two lower guardrail fixed plates, and rotatory central siphon wears to locate on the axle sleeve, is equipped with spacing bolt spare on the rotatory central siphon, is equipped with spacing hole on the lower guardrail fixed plate, and the tip of rotatory central siphon is equipped with the rotating member that is used for controlling its pivoted, makes spacing bolt spare insert and realizes the position definition in the spacing hole that corresponds, control cat ladder guardrail rise or fall. The lifting is controlled without adopting the air cylinder or the air spring supporting rod, so that the installation difficulty is lower, and the input cost and the maintenance cost can be effectively reduced.

Description

Tank deck protector that manual control goes up and down

Technical Field

The utility model relates to the technical field of tank trucks, and particularly discloses a tank top protection device capable of manually controlling lifting.

Background

Tank trucks are a type of transportation vehicle for shipping goods including various liquids, liquefied gases or powders, and since workers are required to work on top of the tank, most tank trucks are equipped with protective devices on top.

Because the protective device of the tank truck has a certain height, the tank truck is unfavorable for height-limited running, and the current protective device has a lifting adjusting function. The guardrail device of tank wagon tank deck as disclosed in chinese patent 201310387443.6, it includes, installs in rail, movable guardrail and the support cylinder of tank deck, and movable guardrail installs in rail two vertically inboards, and movable guardrail includes horizontal pole and a plurality of montant, and the upper end of montant is connected with the horizontal pole through first coupling assembling, and the lower extreme of montant is connected with the montant fixing base through second coupling assembling, and the montant fixing base welds in the inboard of rail. The piston rod end of the supporting cylinder is fixedly connected with the reinforcing plate, and the cylinder body end of the supporting cylinder is fixed on the inner side of the fence. When the movable guardrail is in a protection state, the vertical rod is arranged vertically to the cross rod through rotation of the first single-lug type connecting piece and the second single-lug type connecting piece; when the piston rod of the supporting cylinder is retracted, the movable guardrail is completely laid down without affecting the operation safety of the tank truck.

The protection device is only arranged on the tank top, the safety of personnel in the process of loading and unloading the tank top cannot be ensured, and the protection device for controlling the guardrail to lift through the air cylinder comprises air cylinder equipment and a corresponding control system, so that the protection device has the advantages of complex structure, high installation difficulty, higher input cost and higher maintenance cost,

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provides a tank top protection device capable of manually controlling lifting.

The utility model discloses a tank top protection device capable of manually controlling lifting, which adopts the following technical scheme:

The tank top protection device comprises an upright post railing rotationally connected to the tank top and a transverse guardrail rotationally connected to the upright post railing, wherein a ladder extending to the tank top is arranged on one side of the tank truck, and the end part of the transverse guardrail, which is close to the ladder, is rotationally connected with the ladder guardrail; the lower part rigid coupling of cat ladder guardrail has rotatory central siphon, the lower part both sides rigid coupling of cat ladder has lower guardrail fixed plate, all the rigid coupling has the axle sleeve on two lower guardrail fixed plates, rotatory central siphon wears to locate on the axle sleeve, be equipped with spacing latch spare on the rotatory central siphon, be equipped with two at least and spacing hole of spacing latch spare complex on the lower guardrail fixed plate, the tip of rotatory central siphon is equipped with the rotating member that is used for controlling its pivoted, makes spacing latch spare insert and realizes the position definition in the spacing hole that corresponds, control cat ladder guardrail rise or fall.

Preferably, the opposite sides of the two shaft sleeves are respectively provided with a limiting sleeve, the rotary shaft tube penetrates through the limiting sleeves and is fixedly connected with the limiting sleeves, and the two limiting sleeves are abutted with the shaft sleeve on the corresponding side.

Preferably, the rotating member comprises a nut joint arranged at the end part of the rotating shaft tube and an adjustable wrench sleeved on the nut joint.

Preferably, a reinforcing rib is fixedly connected between the rotary shaft tube and the ladder stand guardrail.

Preferably, the sleeve is provided with a grease nipple.

Preferably, the limit latch member includes a latch member and a return spring disposed on the latch member.

Preferably, the ladder stand guard comprises a middle guard and a lower guard; one end of the middle guardrail is hinged with the transverse guardrail, and the other end of the middle guardrail is hinged with the lower guardrail; the lower part of the lower guardrail is rotationally connected with the cat ladder.

Preferably, the ladder is provided with a bracket, and the lower guardrail is arranged on the bracket after the ladder guardrail is laid down

Compared with the prior art, the utility model at least comprises the following beneficial effects:

The manual control lifting's of this scheme tank deck protector not only can guarantee the security of upper and lower tank deck in-process, but also the stand railing of tank deck, horizontal guardrail and cat ladder guardrail adopt mechanical connection structure to realize its rising or fall, not only can realize tank deck rail guard and cat ladder rail synchronous control, improved lifting control's efficiency, improved the reliability of structure moreover, owing to need not to adopt cylinder or gas spring vaulting pole to control the lift, the installation degree of difficulty is lower, and can effectively reduce input cost and maintenance cost.

Drawings

Fig. 1 is a schematic view of a climbing ladder guard of a manually controlled lifting tank top guard in the present embodiment;

Fig. 2 is a schematic diagram of the overall structure of a manual lifting-controlled tank top protection device according to the present embodiment;

FIG. 3 is an enlarged view of FIG. 2A;

FIG. 4 is a side view of a manually controlled lifting roof guard of the present embodiment;

FIG. 5 is an enlarged view of B of FIG. 4;

FIG. 6 is an enlarged view of FIG. 5C;

Fig. 7 is a schematic diagram of a shaft sleeve and a grease nipple of a tank top protection device with manual lifting control in the embodiment;

Fig. 8 is a D-direction view of fig. 5.

Reference numerals illustrate:

1. Upright post railing; 2. a transverse guardrail; 3. a ladder stand; 4. ladder stand guard bar; 41. a middle guardrail; 42. a lower guardrail; 43. guardrail connecting bolts; 5. a rotary shaft tube; 6. a lower guardrail fixing plate; 7. a shaft sleeve; 8. a limit latch member; 81. a latch member; 82. a return spring; 9. a limit sleeve; 10. a nut joint; 11. an adjustable wrench; 12. reinforcing rib plates; 13. a grease nipple; 14. and a bracket.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

The utility model discloses a tank top protection device capable of manually controlling lifting, which comprises a vertical column railing 1 rotatably connected to a tank top and a transverse guardrail 2 rotatably connected to the vertical column railing 1, wherein the vertical column railing 1 and the transverse guardrail 2 can rotate relatively. One side of the tank truck is provided with a cat ladder 3 extending to the tank top, and the end part of the transverse guardrail 2, which is close to the cat ladder 3, is rotationally connected with a cat ladder guardrail 4. In the present embodiment, referring to fig. 3, the ladder rail 4 includes a middle rail 41 and a lower rail 42; the two ends of the middle guard rail 41 are respectively hinged with the transverse guard rail 2 and the lower guard rail 42 by guard rail connecting bolts 43, so that relative rotation can be realized; the lower part of the lower guardrail 42 is rotatably connected with the ladder 3.

Specifically, referring to fig. 4-6, a rotary shaft tube 5 is welded at the lower end of a lower guardrail 42 of the ladder guardrail 4, lower guardrail fixing plates 6 are welded at two sides of the lower part of the ladder 3, shaft sleeves 7 are welded on the two lower guardrail fixing plates 6, the rotary shaft tube 5 is arranged on the shaft sleeves 7 in a penetrating manner, and the shaft sleeves 7 and the rotary shaft tube 5 can axially rotate relatively; the rotary shaft tube 5 is provided with a limit latch member 8, the lower guardrail fixing plate 6 is provided with at least two limit holes matched with the limit latch member 8, the end part of the rotary shaft tube 5 is provided with a rotary member for controlling the rotation of the rotary shaft tube 5, the rotary shaft tube 5 is rotated by the rotary member to enable the limit latch member 8 to be inserted into the corresponding limit hole, so that position limitation is realized, the ladder guardrail 4 is controlled to rise or fall along with the rotation of the rotary shaft tube 5, the transverse guardrail 2 connected with the ladder guardrail 4 in a rotating way and the upright post guardrail 1 connected with the transverse guardrail 2 in a rotating way are driven to rise or fall.

Compared with the existing tank top protection device, the protection device of the scheme not only can ensure the safety of the process of the upper tank top and the lower tank top, but also can realize the lifting or falling of the vertical column railing 1, the transverse railing 2 and the ladder railing 4 of the tank top by adopting a mechanical connection structure, improves the reliability of the structure, has lower installation difficulty because a cylinder or a gas spring supporting rod is not required to be adopted for controlling the lifting, and can effectively reduce the input cost and the maintenance cost.

Further, referring to fig. 4 and 5, in this embodiment, the opposite sides of the two shaft sleeves 7 are respectively provided with a limiting sleeve 9, the rotating shaft tube 5 passes through the limiting sleeves 9 and is fixedly connected with the limiting sleeves 9, and the two limiting sleeves 9 are abutted with the shaft sleeve 7 on the corresponding side, so that the shaft sleeve 7 fixedly connected on the ladder 3 is abutted with the limiting sleeve 9 fixedly connected on the rotating shaft tube 5 in the horizontal direction, so as to limit the left-right movement of the rotating shaft tube 5 during rotation, and further strengthen the stability between the ladder 3 and the ladder guard rail 4.

Further, referring to fig. 4, in the present embodiment, the bracket 14 is welded to the ladder 3, and after the ladder rail 4 is laid down, the lower rail 42 is placed on the bracket 14, so that the laid down ladder rail 4 can be stably placed.

Further, referring to fig. 5, in this embodiment, a reinforcing rib plate 12 is welded between the rotary shaft tube 5 and the ladder rail, which plays a role in reinforcing the structural strength of the ladder rail.

Further, referring to fig. 6, in this embodiment, the spacing latch member 8 includes a latch member 81 and a return spring 82 disposed on the latch member 81, where the latch member 81 cooperates with a spacing hole on the lower guard rail fixing plate 6, and the return spring 82 plays a role of elastically driving the latch member 81 to eject out and insert into the spacing hole, so that an operator can insert the latch member 81 into the spacing hole after aligning the latch member 81 with the spacing hole, thereby not only improving the fixing efficiency, but also being beneficial to improving the reliability of the position limitation of the protection device.

Further, referring to fig. 6 and 7, in this embodiment, the bushing 7 is provided with a grease nipple 13 for filling grease to lubricate the bushing, so that the relative rotation process of the bushing 7 and the rotary shaft tube 5 is smoother, which is beneficial for an operator to rotate the adjustable wrench more easily.

Further, referring to fig. 8, in the present embodiment, the rotary member includes a nut fitting 10 and a spanner wrench 11. The nut joint 10 is welded at the end of the rotary shaft tube 5, specifically may be a hexagonal nut joint, and the adjustable wrench 11 is connected to the nut joint, so that an operator can lift or fall the protecting device by rotating the adjustable wrench.

The foregoing has outlined rather broadly the more detailed description of the utility model in order that the detailed description of the utility model that follows may be better understood, and in order that the present principles and embodiments may be better understood; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.

Claims (8)

1. The tank top protection device comprises an upright post railing rotationally connected to the tank top and a transverse guardrail rotationally connected to the upright post railing, and is characterized in that a ladder extending to the tank top is arranged on one side of the tank truck, and the end part of the transverse guardrail, which is close to the ladder, is rotationally connected with the ladder guardrail; the lower part rigid coupling of cat ladder guardrail has rotatory central siphon, the lower part both sides rigid coupling of cat ladder has lower guardrail fixed plate, all the rigid coupling has the axle sleeve on two lower guardrail fixed plates, rotatory central siphon wears to locate on the axle sleeve, be equipped with spacing latch spare on the rotatory central siphon, be equipped with two at least and spacing hole of spacing latch spare complex on the lower guardrail fixed plate, the tip of rotatory central siphon is equipped with the rotating member that is used for controlling its pivoted, makes spacing latch spare insert and realizes the position definition in the spacing hole that corresponds, control cat ladder guardrail rise or fall.

2. The manual lifting control tank top protection device according to claim 1, wherein limiting sleeves are arranged on opposite sides of the two shaft sleeves, the rotary shaft tube penetrates through the limiting sleeves and is fixedly connected with the limiting sleeves, and the two limiting sleeves are abutted with the shaft sleeves on the corresponding sides.

3. The manually controlled lifting roof guard of claim 1 wherein the swivel member comprises a nut fitting provided on an end of the swivel shaft tube and a spanner received on the nut fitting.

4. The manually controlled lifting roof guard of claim 1, wherein a reinforcing rib plate is fixedly connected between the rotating shaft tube and the ladder rail.

5. A manually controlled lifting roof guard as claimed in claim 1 wherein said collar is provided with a grease nipple.

6. A manually controlled lifting roof guard as claimed in claim 1 wherein the limit latch member comprises a latch member and a return spring disposed on the latch member.

7. A manually controlled lifting roof guard as claimed in claim 1 wherein the ladder stand rail comprises a middle rail and a lower rail; one end of the middle guardrail is hinged with the transverse guardrail, and the other end of the middle guardrail is hinged with the lower guardrail; the lower part of the lower guardrail is rotationally connected with the cat ladder.

8. The manually controlled lifting roof guard of claim 7 wherein the ladder is provided with a bracket and the lower guard rail is disposed on the bracket after the ladder guard rail is reclined.