CN209990436U

CN209990436U - Movable telescopic suspension type foot ladder

Info

Publication number: CN209990436U
Application number: CN201822053954.5U
Authority: CN
Inventors: 妥红; 张以军; 唐克国; 陈俊男; 宋功坤; 余俊杰; 折扶蓉; 李军
Original assignee: CNPC Xibu Drilling Engineering Co Ltd
Current assignee: China National Petroleum Corp; CNPC Xibu Drilling Engineering Co Ltd
Priority date: 2018-12-07
Filing date: 2018-12-07
Publication date: 2020-01-24
Anticipated expiration: 2028-12-07

Abstract

The utility model relates to a logging field operation equipment technical field is a remove flexible suspension type step ladder, and it includes main ladder, assists ladder, couple, goes up the fastener, locating part, gag lever post, setting element and spring down. The structure is reasonable and compact, the use is convenient, the upper parts of the auxiliary side plates are all connected with hooks capable of hanging the supporting piece on the operation site, and the safety accidents of inclination, collapse and the like in the operation process can be effectively prevented; the spring is sleeved on the limiting rod corresponding to the position between the auxiliary side plate and the limiting part, the elasticity of the spring is fully utilized to realize the positioning of the positioning part, and the positioning device is convenient to use, time-saving and labor-saving. Simultaneously after finishing using, can stimulate setting element compression spring to make the locating lever break away from the regulation hole, and then right the utility model discloses shrink, main ladder and supplementary ladder coincidence are convenient for carrying and the transport of job site in order to reduce its volume promptly.

Description

Movable telescopic suspension type foot ladder

Technical Field

The utility model relates to a logging field operation equipment technical field is a remove flexible suspension type step ladder.

Background

The drilling fluid outlet elevated tank or the buffer tank of the traditional drilling machine does not have a standard step ladder, and the drilling fluid outlet elevated tank or the buffer tank needs to be manually climbed for operation in the logging operation process, so that the great potential safety hazard exists, and the technical requirement of the standardization of the logging field operation cannot be met. The existing foot ladder is simple, lacks of a corresponding fixing device, and is easy to cause safety accidents such as personnel falling from high altitude, slipping down to the ground and the like due to poor operation conditions. Through on-site survey and equipment structure, be applied to logging site operation's pedal ladder and should satisfy the operation and stabilize firm also portable to reduce logging operation's intensity of labour.

Disclosure of Invention

The utility model provides a remove flexible suspension type step ladder has overcome above-mentioned prior art not enough, and it can effectively solve unstable, the not portable's of logging operation scene step ladder operation problem.

The technical scheme of the utility model is realized through following measure: a movable telescopic suspension type step ladder comprises a main ladder, auxiliary ladders, hooks, upper clamping pieces, lower clamping pieces, limiting rods, positioning pieces and springs, wherein the main ladder comprises pedals and two parallel main side plates, a multi-stage pedal is connected between the two main side plates, the auxiliary ladder comprises pedals and two parallel auxiliary side plates, and the multi-stage pedals are connected between the two auxiliary side plates; the upper parts of the two auxiliary side plates are connected with hooks, the main side plates are parallel to the auxiliary side plates respectively and correspond to the auxiliary side plates one by one, the upper part of each main side plate is provided with an upper clamping piece, the upper clamping piece and the upper clamping piece form an upper clamping groove, and the auxiliary side plates corresponding to the main side plates are positioned in the upper clamping grooves and can slide relatively; the lower part of each auxiliary side plate is provided with a lower clamping piece, the lower clamping piece and the lower clamping piece are provided with a lower clamping groove, and the main side plate corresponding to the auxiliary side plate is positioned in the lower clamping groove and can slide relatively; be equipped with the gag lever post that removes about the relative two of ability between lower fastener and the assistance curb plate, gag lever post one end is equipped with the locating part, the locating part is located the left/right side of assisting the curb plate, the cover is equipped with the spring on the gag lever post that corresponds the position between locating part and the assistance curb plate, the other end and the setting element of gag lever post link together, the setting element includes connecting rod and locating lever, connecting rod one end links together with the gag lever post, the connecting rod other end links together with the locating lever, be equipped with the locating hole on the lower fastener that corresponds the main side plate position, be equipped with two at least regulation holes that can correspond with the locating hole on the.

The following are further optimization or/and improvement of the technical scheme of the utility model:

the front parts of the auxiliary side plates are provided with handrails, and the two handrails are parallel and correspond in position.

The upper part of the handrail is higher than the upper part of the auxiliary side plate, and the upper part of the handrail can stretch up and down.

The outer sides of the handrails are provided with handrail anti-slip layers.

The hooks are all arc-shaped hooks.

The upper clamping piece and the lower clamping piece are both U-shaped pieces or L-shaped pieces, and the limiting pieces are nuts or cotter pins.

The lower part of the main side plate is provided with a supporting seat, the lower part of the supporting seat is provided with a supporting seat anti-skid layer, and the supporting seat anti-skid layer is an anti-skid rubber layer or embossing.

The utility model has reasonable and compact structure and convenient use, and the upper parts of the auxiliary side plates are all connected with hooks which can hang the supporting pieces on the operation site, thereby effectively preventing safety accidents such as inclination, collapse and the like in the operation process; the spring is sleeved on the limiting rod corresponding to the position between the inner side of the auxiliary side plate and the limiting part, the elasticity of the spring is fully utilized to realize the positioning of the positioning part, namely, the positioning part compression spring is pulled to enable the positioning rod of the positioning part to be separated from the adjusting hole to adjust the telescopic height, the spring is loosened to enable the positioning rod to be positioned in the adjusting hole to realize the positioning, the use is convenient, and the time and labor are saved. Simultaneously after finishing using, can stimulate setting element compression spring to make the locating lever break away from the regulation hole, and then right the utility model discloses shrink, main ladder and supplementary ladder coincidence are convenient for carrying and the transport of job site in order to reduce its volume promptly.

Drawings

Fig. 1 is a schematic perspective view of a preferred embodiment of the present invention.

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1.

The codes in the figures are respectively: 1 is the main side plate, 2 is assisting the curb plate, 3 is the running-board, 4 is the couple, 5 is last fastener, 6 is lower fastener, 7 is the locating part, 8 is the gag lever post, 9 is the spring, 10 is the connecting rod, 11 is the handrail, 12 is the supporting seat, 13 is the regulation hole, 14 is the locating hole, 15 is spacing hole, 16 is the locating lever, 17 is the gasket.

Detailed Description

The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.

In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of B direction in the attached fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.

The invention will be further described with reference to the following examples and drawings:

as shown in attached figures 1 and 2, the movable telescopic suspension type pedal ladder comprises a main ladder, an auxiliary ladder, a hook 4, an upper clamping piece 5, a lower clamping piece 6, a limiting piece 7, a limiting rod 8, a positioning piece and a spring 9, wherein the main ladder comprises a pedal plate 3 and two parallel main side plates 1, a multi-stage pedal plate 3 is connected between the two main side plates 1, the auxiliary ladder comprises a pedal plate 3 and two parallel auxiliary side plates 2, and the multi-stage pedal plate 3 is connected between the two auxiliary side plates 2; the upper parts of the two auxiliary side plates 2 are connected with hooks 4, the main side plates 1 are respectively parallel to the auxiliary side plates 2 and are in one-to-one correspondence, the upper part of each main side plate 1 is provided with an upper clamping piece 5, the upper clamping piece and the upper clamping piece form an upper clamping groove, and the auxiliary side plates 2 corresponding to the main side plates 1 are positioned in the upper clamping grooves and can slide relatively; the lower part of each auxiliary side plate 2 is provided with a lower clamping piece 6, a lower clamping groove is formed between the auxiliary side plate and the lower clamping piece, and the main side plate 1 corresponding to the auxiliary side plate 2 is positioned in the lower clamping groove and can slide relatively; lower fastener 6 and assist and be equipped with the gag lever post 8 that can remove about the two relatively between the curb plate 2, gag lever post 8 one end is equipped with locating part 7, locating part 7 is located the left side/right side of assisting curb plate 2, it is equipped with spring 9 to overlap on the gag lever post 8 that corresponds locating part 7 and assist position between the curb plate 2, the other end and the setting element of gag lever post 8 link together, the setting element includes connecting rod 10 and locating lever 16, connecting rod 10 one end links together with gag lever post 8, the connecting rod 10 other end links together with locating lever 16, be equipped with locating hole 14 on the lower fastener 6 that corresponds main curb plate 1 position, be equipped with two at least regulation holes 13 that can correspond with locating hole 14 on the main curb plate 1, locating lever 16 passes locating hole 14 and.

During the operation, will the utility model discloses place in waiting to climb the district, then hang 4 couples on the support piece of job site, adjust according to the operation needs the utility model discloses a flexible length, after the height adjustment is suitable (make locating hole 14 and regulation hole 13 align), the pulling setting element makes its compression spring 9 and then rotates the setting element and makes locating lever 16 aim at locating hole 14 and regulation hole 13, when loosening the setting element, locating lever 16 passes locating hole 14 under spring 9's elastic action and gets into regulation hole 13 in, and then realizes the flexible regulation location of step ladder. Make the utility model discloses it is stable fixed, avoid the gliding problem to appear in the operation in-process. Simultaneously after finishing using, can stimulate setting element compression spring 9 and make locating lever 16 break away from regulation hole 13, and then right the utility model discloses shrink, main ladder and supplementary ladder coincidence are convenient for carrying and the transport of job site in order to reduce its volume promptly. The upper part of the auxiliary side plate 2 of the utility model is connected with the hook 4 which can hang the supporting piece on the operation site, thus effectively preventing the occurrence of safety accidents such as inclination, collapse and the like in the operation process; the spring 9 is sleeved on the limiting rod 8 corresponding to the position between the limiting part 7 and the auxiliary side plate 2, the elasticity of the spring 9 is fully utilized to realize the positioning of the positioning part, namely, the positioning part compression spring 9 is pulled to enable the positioning rod 16 to be separated from the adjusting hole 13 to adjust the telescopic height, the spring 9 is loosened to enable the positioning rod 16 to be positioned in the adjusting hole 13 to realize the positioning, and the positioning device is convenient to use, time-saving and labor-saving. According to the requirement, the operation field supporting piece is a drilling fluid outlet elevated groove, a buffer tank, a pipeline and the like which can be hung in the actual operation and can play a supporting role for the utility model; the spring 9 and the auxiliary side plate 2, the spring 9 and the limiting piece 7 are provided with gaskets 17 according to the installation requirement; the hook 4 can be bound by a rope when being fixed with the supporting piece, so that the hook is firmer; the connecting rod 10 and the positioning rod 16 are integrally provided or connected together.

The movable telescopic suspension type foot ladder can be further optimized or/and improved according to actual requirements:

as shown in figure 1, the front parts of the auxiliary side plates 2 are provided with armrests 11, and the two armrests 11 are parallel and correspond in position. The auxiliary side plate 2 is provided with the handrail 11, and when the auxiliary side plate 2 is adjusted in a vertically telescopic manner, the handrail 11 is also adjusted, so that the use is convenient and flexible. The handrail 11 is connected with the auxiliary side plate 2 through bolts as required, so that the handrail is convenient to detach and maintain.

As shown in fig. 1, the upper part of the armrest 11 is higher than the upper part of the auxiliary side plate 2, and the upper part of the armrest 11 can extend and contract up and down. The safety protection area of the effective extension handrail 11 can carry out effective safety protection on the staff, and the phenomenon that the staff falls off due to lack of safety protection is prevented from being generated. The upper portion of the handrail 11 can be stretched up and down, the stretching amount of the handrail can be adjusted according to the operation height, and the use is convenient.

As shown in figure 1, the outer sides of the armrests 11 are provided with armrest anti-slip layers. The handrail skid resistant layer is the rubber antiskid cover as required, avoids the operation personnel in the in-process of climbing to break away from the falling accident that causes because the slip between hand and handrail 11 and produces.

As shown in fig. 1, the hook 4 is an arc-shaped hook. The arc couple not only is applicable to drilling fluid export overhead groove but also can be applicable to buffer tank, pipeline etc. and the arc couple cooperatees with the cambered surface of buffer tank, pipeline and makes the utility model discloses a location is more firm.

As shown in fig. 1 and 2, the upper clip piece 5 and the lower clip piece 6 are both U-shaped pieces or L-shaped pieces, and the limiting piece 7 is a nut or a cotter pin. Not only be convenient for the installation location of main curb plate 1 and assistance curb plate 2 but also can realize the change of spring 9 under the condition of not dismantling gag lever post 8, make the utility model discloses a structure is compacter.

As shown in the attached figures 1 and 2, a support seat 12 is arranged at the lower part of the main side plate 1, a support seat anti-slip layer is arranged at the lower part of the support seat 12, and the support seat anti-slip layer is an anti-slip rubber layer or embossing. Set up supporting seat 12 and make in main ladder lower part the utility model discloses the lower part slides when also preventing its atress more firmly simultaneously at fixed in-process, has avoided in the operation because the utility model discloses beat the incident that the slip falls to one side and cause personnel to fall.

Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.

Claims

1. A movable telescopic suspension type step ladder is characterized by comprising a main ladder, auxiliary ladders, hooks, upper clamping pieces, lower clamping pieces, limiting rods, positioning pieces and springs, wherein the main ladder comprises pedals and two parallel main side plates, a multi-stage pedal is connected between the two main side plates, the auxiliary ladder comprises pedals and two parallel auxiliary side plates, and the multi-stage pedals are connected between the two auxiliary side plates; the upper parts of the two auxiliary side plates are connected with hooks, the main side plates are parallel to the auxiliary side plates respectively and correspond to the auxiliary side plates one by one, the upper part of each main side plate is provided with an upper clamping piece, the upper clamping piece and the upper clamping piece form an upper clamping groove, and the auxiliary side plates corresponding to the main side plates are positioned in the upper clamping grooves and can slide relatively; the lower part of each auxiliary side plate is provided with a lower clamping piece, the lower clamping piece and the lower clamping piece are provided with a lower clamping groove, and the main side plate corresponding to the auxiliary side plate is positioned in the lower clamping groove and can slide relatively; be equipped with the gag lever post that removes about the relative two of ability between lower fastener and the assistance curb plate, gag lever post one end is equipped with the locating part, the locating part is located the left/right side of assisting the curb plate, the cover is equipped with the spring on the gag lever post that corresponds the position between locating part and the assistance curb plate, the other end and the setting element of gag lever post link together, the setting element includes connecting rod and locating lever, connecting rod one end links together with the gag lever post, the connecting rod other end links together with the locating lever, be equipped with the locating hole on the lower fastener that corresponds the main side plate position, be equipped with two at least regulation holes that can correspond with the locating hole on the.

2. The mobile, telescoping, suspended foot ladder of claim 1, wherein the front of the secondary side panels are provided with handrails, the handrails being parallel and corresponding in position.

3. The mobile telescopic suspension type foot ladder according to claim 2, wherein the upper part of the handrail is higher than the upper part of the auxiliary side plate, and the upper part of the handrail can be extended and retracted up and down.

4. A mobile telescopic suspension type foot ladder according to claim 2 or 3, characterized in that the outer sides of the handrails are provided with handrail anti-slip layers.

5. A mobile, telescopically suspended foot ladder according to claim 1, 2 or 3, characterised in that the hooks are all arc-shaped hooks.

6. The mobile, telescoping, hanging step ladder of claim 4, wherein the hooks are arcuate hooks.

7. The mobile telescopic suspension type foot ladder according to claim 1, 2, 3 or 6, wherein the upper clip member and the lower clip member are both U-shaped members or L-shaped members, and the limiting member is a nut or a cotter pin.

8. The mobile telescopic suspension type foot ladder according to claim 4, wherein the upper clip member and the lower clip member are both U-shaped members or L-shaped members, and the limiting member is a nut or a cotter pin.

9. The mobile telescopic suspension type foot ladder according to claim 5, wherein the upper clip member and the lower clip member are both U-shaped members or L-shaped members, and the limiting member is a nut or a cotter pin.

10. The mobile telescopic suspension type foot ladder according to claim 1, 2, 3, 6, 8 or 9, wherein the lower part of the main side plate is provided with a support seat, the lower part of the support seat is provided with a support seat anti-slip layer, and the support seat anti-slip layer is an anti-slip rubber layer or embossing.