Suspended ladder stand

Abstract

The utility model discloses a suspension type crawling ladder which comprises a crawling ladder frame body and a crawling ladder top hook installed on the top of the crawling ladder frame body. The crawling ladder top hook comprises a fixed hook body and a movable hook, the fixed hook body is in a C shape, one end of the fixed hook body is fixed to the climbing frame body, a fixed hook external thread piece is fixed to the other end of the fixed hook body, one end of the movable hook is fixed to the climbing frame body through a movable hook movable shaft, and the movable hook and the fixed hook body can define a closed annular structure. A movable hook external thread piece is fixed at the other end of the movable hook; a fixing hook external thread piece clamping groove is formed in the side, away from the fixing hook body, of the fixing hook external thread piece, a buckle matched with the fixing hook external thread piece clamping groove is fixed to the side, away from the movable hook, of the movable hook external thread piece, and the movable hook external thread piece is sleeved with a fixing nut matched with the movable hook external thread piece and the fixing hook external thread piece in a threaded mode. The suspension type crawling ladder is reasonable in structural design, stable and reliable in use, good in applicability and good in application prospect.

Description

TECHNICAL FIELD

[0001] The utility model relates to high -altitude operation technical field relates to a suspension type ladder stand, especially in a stable reliable and good suitability suspension type ladder stand. BACKGROUND

[0002] In today's temporary ladder stand, ladder stand is widely used in the process of climbing operation in construction site. Temporary ladder stand has the following shortcomings in application: temporary ladder stand is often used in the process of open type hook head, personnel although wear corresponding safety protection measures but the ladder stand is not stable enough, still exists the risk of falling, especially in some cannot adopt welding to guarantee stable scene use temporary ladder stand has certain hidden danger. Ladder stand has the following shortcomings in application: its applicable scene is limited, cannot be safely used under the condition such as lack of personnel care, small operation scene.

[0003] Therefore, it is of great practical significance to develop a ladder stand which is stable and reliable in use and has good applicability. UTILITY MODEL CONTENTS

[0004] Since the prior art has the above-mentioned defects, the utility model provides a ladder stand which is stable and reliable in use and has good applicability to solve the problem that the existing ladder stand is not stable in use and has limited applicable scenes.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A suspension type ladder stand comprises a ladder stand frame body and a ladder stand top hook installed on the top of the ladder stand frame body.

[0007] The ladder stand top hook comprises a fixed hook body and a movable hook. The fixed hook body is C-shaped, one end of which is fixed to the ladder stand frame body, and the other end of which is fixed with a fixed hook outer threaded member. One end of the movable hook is fixed to the ladder stand frame body through a movable hook movable shaft. The movable hook and the fixed hook body can form a closed ring structure. The other end of the movable hook is fixed with a movable hook outer threaded member.

[0008] The fixed hook outer threaded member is a cylindrical structure with an outer thread structure I on the peripheral surface. The fixed hook outer threaded member is provided with a fixed hook outer threaded member clamping groove on the side away from the fixed hook body. The movable hook outer threaded member is a cylindrical structure with an outer thread structure II on the peripheral surface. The movable hook outer threaded member is fixed with a buckle matched with the fixed hook outer threaded member clamping groove on the side away from the movable hook. A fixed nut is sleeved on the movable hook outer threaded member. An inner thread structure matched with the outer thread structure I and the outer thread structure II is formed on the inner wall of the fixed nut.

[0009] The utility model discloses a hanging type ladder stand, reasonable structure design, the fixed hook body and the movable hook designed not only can cooperate to constitute the closed ring structure, and the fixed hook outer threaded part, the movable hook outer threaded part are fixed through the fixed nut, and the fixed hook outer threaded part snap groove on the fixed hook outer threaded part and the buckle on the movable hook outer threaded part are connected, can ensure that the fixed hook body and the movable hook enclose the stability of the closed ring structure, this endows it with better applicability, makes up the defect that traditional ladder stand use scene is limited, is not stable enough, and the application prospect is good.

[0010] As a preferred technical scheme:

[0011] A hanging type ladder stand, the ladder top hook has two and two ladder top hooks are fixed on the long rod of the ladder frame body.

[0012] A hanging type ladder stand, the buckle is T-shaped.

[0013] A hanging type ladder stand, the ladder stand base is installed at the bottom of the ladder frame body, and the existence of the ladder stand base can improve the stability of the ladder bottom fixed.

[0014] A hanging type ladder stand, the ladder stand base has two and two ladder stand bases are fixed on the long rod of the ladder frame body.

[0015] A hanging type ladder stand, the ladder stand base is tapered, and the bottom of the tapered structure is located away from the side of the ladder frame body, increasing the contact surface and improving the stability of the ladder bottom fixed.

[0016] A hanging type ladder stand, the movable hook outer threaded part is provided with a spring, and the spring is located between the fixed nut and the movable hook, the existence of the spring can prevent the fixed nut from loosening during operation, avoiding the falling risk of the traditional hanging type ladder stand due to the open hook head during operation.

[0017] A hanging type ladder stand, the length of the fixed nut is greater than the length of the outer threaded structure on the fixed hook outer threaded part, so that the fixed nut can still fix the fixed hook outer threaded part and the movable hook outer threaded part together after being screwed to the top, that is, the fixed hook body and the movable hook are fixed together.

[0018] The traditional suspended crawling ladder material is made of steel, but the traditional metal crawling ladder is easy to rust in many harsh environment conditions, such as manholes, tunnels, chemical enterprises, rainy and humid places, etc., which affects the safety in use and the service life is relatively short. In order to overcome the above problems, the outer layer of the suspended crawling ladder can be made of appropriate glass fiber, the glass fiber reinforced thermosetting composite material is mainly composed of glass fiber for reinforcement and thermosetting resin for bonding and load transfer, the tensile strength of the glass fiber is very high (3450mpa), and the content, length and laying form of the glass fiber determine the strength of the product. The rigidity of the glass fiber reinforced thermosetting composite ladder is doubled compared with other fiber reinforced materials, and it does not deform even under long-term load, and the anti-aging index of the product can reach more than 4 levels of national standard.

[0019] The above technical scheme is only one possible technical scheme of the utility model, and the protection scope of the utility model is not limited to this, and a person skilled in the art can reasonably adjust the specific design according to actual needs.

[0020] The above-mentioned utility model has the following advantages or beneficial effects:

[0021] (1) The suspended crawling ladder of the utility model has reasonable structure design, and the fixed hook body and the movable hook can cooperate to form a closed ring structure, so that the crawling ladder is effectively fixed;

[0022] (2) The suspended crawling ladder of the utility model is fixed by the fixed hook outer threaded part and the movable hook outer threaded part through the fixed nut, and the fixed hook outer threaded part clamping groove on the fixed hook outer threaded part and the buckle clamping on the movable hook outer threaded part can ensure the stability of the closed ring structure formed by the fixed hook body and the movable hook, and the existence of the spring can prevent the fixed nut from loosening during operation;

[0023] (3) The existence of the conical base can greatly improve the stability of the bottom of the crawling ladder;

[0024] (4) The suspended crawling ladder of the utility model has good fixing reliability, which endows it with better applicability, makes up for the shortcomings of the traditional crawling ladder that the use scene is limited and not stable, and has good application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0025] The utility model and its features, shapes and advantages will become more apparent through reading the following detailed description of the non-limiting embodiments with reference to the accompanying drawings. The same reference signs indicate the same parts throughout the drawings. The drawings are not drawn to scale, and the emphasis is on showing the main idea of the utility model.

[0026] Figure 1 It is a structure schematic view of the suspended crawling ladder of the utility model;

[0027] Figure 2 This is a schematic diagram of the structure of the ladder top hook;

[0028] Figure 3 This is a schematic diagram of the structure of the external threaded component of the fixed hook;

[0029] Figure 4 A schematic diagram of the fixed structure on the movable hook;

[0030] Figure 5 This is a schematic diagram of a compression spring;

[0031] Figure 6 A schematic diagram of the ladder top hook when the snap-fit ​​is engaged with the external threaded part of the fixing hook;

[0032] Figure 7 A schematic diagram of the ladder top hook when the fixed hook external thread and the movable hook external thread are connected and fixed to the fixing nut;

[0033] Among them, 1-climbing ladder top hook, 11-fixed hook body, 12-fixed hook external threaded part, 13-fixed hook external threaded part slot, 14-movable hook, 15-movable hook movable shaft, 16-spring, 17-movable hook external threaded part, 18-fixed nut, 19-buckle, 2-climbing ladder frame, 3-climbing ladder base. Detailed Implementation

[0034] The structure of this utility model will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the utility model.

[0035] Example 1

[0036] A type of suspended ladder, such as Figures 1-5 As shown, it includes a climbing frame body 2, a climbing top hook 1 installed on the top of the climbing frame body 2, and a climbing base 3 installed at the bottom of the climbing frame body 2;

[0037] There are two ladder top hooks 1, and the two ladder top hooks 1 are fixed on the long rod of the climbing frame 2 respectively. The ladder top hook 1 includes a fixed hook body 11 and a movable hook 14. The fixed hook body 11 is C-shaped, one end of which is fixed to the climbing frame 2, and the other end is fixed with a fixed hook external thread 12. One end of the movable hook 14 is fixed to the climbing frame 2 through a movable hook movable shaft 15. The movable hook 14 and the fixed hook body 11 can form a closed ring structure. The other end of the movable hook 14 is fixed with a movable hook external thread 17.

[0038] The fixed hook outer threaded part 12 is a cylindrical structure with an outer thread structure I on the peripheral surface, the fixed hook outer threaded part 12 is provided with a fixed hook outer threaded part clamping groove 13 on the side away from the fixed hook body 11, the movable hook outer threaded part 17 is a cylindrical structure with an outer thread structure II on the peripheral surface, the movable hook outer threaded part 17 is fixed with a T-shaped buckle 19 matched with the fixed hook outer threaded part clamping groove 13 on the side away from the movable hook 14, the fixed nut 18 is sleeved on the movable hook outer threaded part 17, the inner wall of the fixed nut 18 is provided with an inner thread structure matched with the outer thread structure I and the outer thread structure II, the spring 16 is sleeved on the movable hook outer threaded part 17 and located between the fixed nut 18 and the movable hook 14, and the length of the fixed nut 18 is greater than the length of the outer thread structure on the fixed hook outer threaded part 12.

[0039] The two ladder stands 3 are respectively fixed on the long rods of the climbing frame body 2, and the ladder stands 3 are conical and the bottom of the conical structure is located on the side away from the climbing frame body 2.

[0040] The working state of the ladder top hook is as shown in Figure 6 and 7 The T-shaped buckle on the movable hook is clamped into the fixed hook outer threaded part clamping groove on the fixed hook outer threaded part, at this time, as shown in Figure 6 the fixed hook outer threaded part and the movable hook outer threaded part are fixed together by rotating the fixed nut, at this time, as shown in Figure 7 the conical base position is adjusted according to the actual situation for operation.

[0041] It is verified that the hanging type ladder of the utility model has reasonable structure design, the fixed hook body and the movable hook can be matched to form a closed ring structure to effectively fix the ladder, the fixed hook outer threaded part and the movable hook outer threaded part are fixed by the fixed nut, meanwhile, the fixed hook outer threaded part clamping groove on the fixed hook outer threaded part and the buckle on the movable hook outer threaded part are clamped, which can ensure the stability of the closed ring structure formed by the fixed hook body and the movable hook, the existence of the spring can prevent the fixed nut from loosening during operation, the existence of the conical base can greatly improve the stability of the ladder bottom fixation, and the fixed reliability is good, which endows the utility model with better applicability, makes up for the shortcomings of the traditional ladder in limited use scene and insufficient stability, and has good application prospect.

[0042] Those skilled in the art should understand that those skilled in the art can realize the change examples in combination with the prior art and the above-mentioned embodiments, which will not be described here. Such change examples do not affect the essential content of the utility model, which will not be described here.

[0043] The preferred embodiments of the present application are described above. It should be understood that the present application is not limited to the specific embodiments described above, wherein the devices and structures not described in detail should be understood as being implemented in the ordinary way in the art; any person skilled in the art, without departing from the scope of the technical scheme of the present application, can make many possible changes and modifications to the technical scheme of the present application by using the disclosed methods and technical contents, or modify equivalent embodiments, which does not affect the essential content of the present application. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application, without departing from the content of the technical scheme of the present application, still belongs to the scope of protection of the technical scheme of the present application.

Claims

1. A suspended cat ladder characterised in that: The climbing frame body and the climbing ladder top hook installed on the top of the climbing frame body; The climbing ladder top hook comprises a fixed hook body and a movable hook, the fixed hook body is in a C shape, one end of the fixed hook body is fixed with the climbing frame body, and the other end of the fixed hook body is fixed with a fixed hook outer threaded part; one end of the movable hook is fixed with the climbing frame body through a movable hook movable shaft, the movable hook and the fixed hook body can form a closed ring structure, and the other end of the movable hook is fixed with a movable hook outer threaded part; The fixed hook outer threaded part is in a cylindrical structure with an outer thread structure I on the circumferential surface, the fixed hook outer threaded part is provided with a fixed hook outer threaded part clamping groove on the side away from the fixed hook body, the movable hook outer threaded part is in a cylindrical structure with an outer thread structure II on the circumferential surface, the movable hook outer threaded part is fixed with a buckle matched with the fixed hook outer threaded part clamping groove on the side away from the movable hook, and the movable hook outer threaded part is sleeved with a fixed nut, and the inner wall of the fixed nut is provided with an inner thread structure matched with the outer thread structure I and the outer thread structure II.

2. A suspended cat ladder according to claim 1, wherein, There are two climbing ladder top hooks, and the two climbing ladder top hooks are respectively fixed on the long rods of the climbing frame body.

3. A suspended cat ladder according to claim 1, wherein, The buckle is in a T shape.

4. A suspended cat ladder according to claim 1, wherein, The climbing ladder base is installed on the bottom of the climbing frame body.

5. A suspended cat ladder according to claim 4, wherein, There are two climbing ladder bases, and the two climbing ladder bases are respectively fixed on the long rods of the climbing frame body.

6. A suspended cat ladder according to claim 4, wherein, The climbing ladder base is in a conical shape, and the bottom of the conical structure is located on the side away from the climbing frame body.

7. A suspended cat ladder according to claim 1, wherein The movable hook outer threaded part is sleeved with a spring, and the spring is located between the fixed nut and the movable hook.

8. A suspended cat ladder according to claim 1, wherein, The length of the fixed nut is greater than the length of the outer thread structure on the fixed hook outer threaded part.

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