Inclined ladder structure for keeping pedal horizontal in pitching process

Abstract

The utility model discloses an inclined ladder structure for keeping pedals horizontal in a pitching process, which comprises a fixed pedal, a movable pedal, an end connecting rod, a middle connecting rod and a handrail connecting rod, a fixed pedal front shaft hole is arranged at the front end of the fixed pedal, and a fixed pedal rear shaft hole is arranged at the rear end of the fixed pedal. The front end of the movable pedal is provided with a movable pedal front shaft hole, the rear end of the movable pedal is provided with a movable pedal rear shaft hole, the fixed pedal is provided with a first railing stand column, the movable pedal is provided with a second railing stand column, and a railing connecting rod is connected between the first railing stand column and the second railing stand column. The first connecting shaft is assembled in the front axle hole of the fixed pedal and the front axle hole of the movable pedal, the two sides of the middle connecting rod are provided with second connecting shafts, and the second connecting shafts are assembled in the rear axle hole of the fixed pedal and the rear axle hole of the movable pedal.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the trestle technical field relates to a kind of inclined ladder structure that keeps pedal level in pitch process. BACKGROUND

[0002] Variable-amplitude inclined ladder trestle is mainly related to personnel transfer of offshore platform, wind power operation and maintenance and other offshore projects. Since the landing two sides platform cannot keep horizontal state, a kind of inclined ladder that can keep step horizontal state at all times is needed to ensure the safety of personnel passing, the angle of variable-amplitude inclined ladder trestle and the position of support point can be adjusted according to specific circumstances, different construction and design requirements are met, so as to improve construction safety.

[0003] The existing inclined ladder trestle can usually only provide horizontal-upward or horizontal-downward structure form due to structural limitation, the device can be used scene is less, which leads to its applicable range being limited, and reduces work efficiency. UTILITY MODEL CONTENTS

[0004] In view of the above problems existing in the prior art, the present application provides an inclined ladder structure that keeps pedal level in pitch process.

[0005] The technical scheme of the utility model is as follows:

[0006] An inclined ladder structure that keeps pedal level in pitch process, comprising fixed pedal, movable pedal, end connecting rod, middle connecting rod, railing connecting rod, the front end of fixed pedal is provided with fixed pedal front shaft hole, the rear end of fixed pedal is provided with fixed pedal rear shaft hole, the front end of movable pedal is provided with movable pedal front shaft hole, the rear end of movable pedal is provided with movable pedal rear shaft hole, fixed pedal is installed with railing column one, movable pedal is installed with railing column two, railing connecting rod is connected between railing column one and railing column two, end connecting rod is provided with connecting shaft one, connecting shaft one is assembled in fixed pedal front shaft hole and movable pedal front shaft hole, middle connecting rod is provided with connecting shaft two on both sides, connecting shaft two is assembled in fixed pedal rear shaft hole and movable pedal rear shaft hole.

[0007] As a preferred embodiment of the utility model: fixed pedal and one side of inclined ladder structure are connected through rigid fixed structure.

[0008] As a preferred embodiment of the utility model: the number of movable pedals is increased or decreased according to actual situation.

[0009] As a preferred embodiment of the utility model: the movable pedal of end portion is connected with the other side of inclined ladder structure through rigid fixed structure or temporary mounting mechanism.

[0010] As a preferred embodiment of the utility model: the diameter of connecting shaft one is less than the hole diameter of fixed pedal front shaft hole and movable pedal front shaft hole.

[0011] As a preferred embodiment of the utility model: the diameter of the railing connecting rod is less than the diameter of the through hole of the railing upright column one and the railing upright column two.

[0012] As a preferred embodiment of the utility model: the number of the same level movable steps is two, and the middle connecting rod passes through the middle of the adjacent two movable steps.

[0013] The utility model has the advantages of:

[0014] The utility model discloses a ladder structure keeping pedal horizontal in pitching process, the front end and rear end of fixed pedal are provided with fixed pedal front shaft hole, fixed pedal rear shaft hole respectively, the front end and rear end of movable pedal are provided with movable pedal front shaft hole, movable pedal rear shaft hole respectively, and end connecting rod is equipped with connecting shaft no. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the perspective view of the utility model;

[0016] Figure 2 It is the perspective view of the utility model;

[0017] Figure 3 It is the assembly schematic view of the utility model;

[0018] Figure 4 It is the structure schematic view of the utility model in downward state;

[0019] Figure 5 It is the structure schematic view of the utility model in horizontal state;

[0020] Figure 6 It is the structure schematic view of the utility model in upward state.

[0021] In the drawing: 1-fixed pedal;101-fixed pedal front shaft hole;102-fixed pedal rear shaft hole;103-handrail upright column one;2-movable pedal;201-movable pedal front shaft hole;202-movable pedal rear shaft hole;203-handrail upright column two;3-end connecting rod;301-connecting shaft no. 1;4-middle connecting rod;401-connecting shaft no. 2;5-railing connecting rod. DETAILED DESCRIPTION

[0022] The utility model is specifically described below in combination with the drawings and embodiments. Obviously, the described embodiments are only some of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] As shown in Figures 1-6 The utility model discloses a ramp structure that keeps the pedal horizontal in the process of pitching, which comprises a fixed pedal 1, a movable pedal 2, an end connecting rod 3, a middle connecting rod 4, a handrail connecting rod 5, a front end of the fixed pedal 1 is provided with a fixed pedal front shaft hole 101, a rear end of the fixed pedal 1 is provided with a fixed pedal rear shaft hole 102, a front end of the movable pedal 2 is provided with a movable pedal front shaft hole 201, a rear end of the movable pedal 2 is provided with a movable pedal rear shaft hole 202, the fixed pedal 1 is installed with a handrail column one 103, the movable pedal 2 is installed with a handrail column two 203, the handrail column one 103 and the handrail column two 203 are connected with the handrail connecting rod 5, the end connecting rod 3 is provided with a connecting shaft one 301, the connecting shaft one 301 is assembled in the fixed pedal front shaft hole 101 and the movable pedal front shaft hole 201, both sides of the middle connecting rod 4 are provided with a connecting shaft two 401, the connecting shaft two 401 is assembled in the fixed pedal rear shaft hole 102 and the movable pedal rear shaft hole 202, and the connecting shaft one 301 and the connecting shaft two 401 can rotate freely.

[0024] The fixed pedal 1 is connected with one side of the ramp structure through a rigid fixing structure; the number of the movable pedals 2 can be increased or decreased according to actual conditions; the end movable pedal 2 is connected with the other side of the ramp structure through a rigid fixing structure or a temporary mounting mechanism; the diameter of the connecting shaft one 301 is smaller than the hole diameter of the fixed pedal front shaft hole 101 and the movable pedal front shaft hole 201, and the connecting shaft one 301 can rotate freely; the diameter of the handrail connecting rod 5 is smaller than the through hole diameter of the handrail column one 103 and the handrail column two 203, and the handrail connecting rod 5 can rotate freely; the number of the movable pedals 2 of the same level is two, the middle connecting rod 4 passes through the middle of the adjacent two movable pedals 2, and the middle connecting rod 4 can pass through the middle of the two movable pedals 2 in the process of the ramp changing from downward to horizontal to upward, without interfering with the amplitude change of the ramp.

[0025] In summary, the ramp structure that keeps the pedal horizontal in the process of pitching can keep the pedal horizontal in the process of changing from downward to horizontal to upward, thereby ensuring the safety of personnel passing, increasing the use scene of the equipment, expanding the application range, and improving the work efficiency.

[0026] Although the embodiments of the present application have been disclosed as above, it is not limited to the application listed in the specification and the embodiments, and can be applied to various fields suitable for the present application. For those skilled in the art, various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and therefore the present application is not limited to specific details under the general concept defined by the claims and the equivalent range.

Claims

1. A ramp structure for maintaining the level of a treadway during a pitch process, characterized by: The utility model provides a kind of stair structure, including fixed tread (1), movable tread (2), end connecting rod (3), middle connecting rod (4), railing connecting rod (5), the front end of the fixed tread (1) is provided with fixed tread front shaft hole (101), the rear end of the fixed tread (1) is provided with fixed tread rear shaft hole (102), the front end of the movable tread (2) is provided with movable tread front shaft hole (201), the rear end of the movable tread (2) is provided with movable tread rear shaft hole (202), the fixed tread (1) is installed with railing upright one (103), the movable tread (2) is installed with railing upright two (203), railing connecting rod (5) is connected between railing upright one (103) and railing upright two (203), the end connecting rod (3) is equipped with connecting shaft one (301), and connecting shaft one (301) is assembled in fixed tread front shaft hole (101) and movable tread front shaft hole (201), the two sides of the middle connecting rod (4) are equipped with connecting shaft two (401), and connecting shaft two (401) is assembled in fixed tread rear shaft hole (102) and movable tread rear shaft hole (202).

2. The ramp structure for maintaining the level of the pedal during the pitch process according to claim 1, characterized in that: The fixed tread (1) is connected with one side of the inclined ladder structure by a rigid fixing structure.

3. The ramp structure for maintaining the level of the pedal during the pitch process according to claim 2, characterized in that: The number of movable treads (2) can be increased or decreased according to actual conditions.

4. The ramp structure for maintaining the level of the pedal during the pitch process according to claim 3, characterized in that: The movable tread (2) at the end is connected with the other side of the inclined ladder structure by a rigid fixing structure or a temporary mounting mechanism.

5. The ramp structure for maintaining the level of the pedal during the pitch process according to claim 1, wherein: The diameter of the connecting shaft one (301) is smaller than the hole diameter of the fixed tread front shaft hole (101) and the movable tread front shaft hole (201).

6. The ramp structure that keeps the pedal horizontal during the pitch process according to claim 1, characterized in that: The diameter of the railing connecting rod (5) is smaller than the hole diameter of the railing upright one (103) and the railing upright two (203).

7. A ramp structure for maintaining a level of a tread during a pitch motion according to any one of claims 1-6, characterized in that: The number of movable treads (2) of the same level is two, and the middle connecting rod (4) passes through the middle of the two adjacent movable treads (2).

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