Municipal engineering construction ladder

Abstract

The municipal engineering construction ladder comprises a machine frame and a protective cover, the protective cover is installed at the top end of the machine frame, an overturning cover is movably installed at the top end of the protective cover, four sets of first shafts are movably installed at the position, on one side of the overturning cover, of the top end of the machine frame at equal intervals, and the outer walls of the first shafts are all sleeved with connecting sleeve frames; and large arms are movably installed in the connecting sleeve frames, the large arms extend out of the connecting sleeve frames, placing shafts are arranged at the ends, close to the connecting sleeve frames, of the large arms, and the large arms are movably connected with the connecting sleeve frames through the placing shafts. According to the telescopic folding type municipal engineering construction ladder, convenient telescopic folding type unfolding use of the municipal engineering construction ladder is achieved, small-sized walking, carrying and use are facilitated, convenient hand-held use during ladder climbing is facilitated, and the safety during ladder climbing and the convenience during carrying are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction ladders, in particular to a municipal engineering construction ladder. Background Art

[0002] Municipal engineering refers to the construction of municipal facilities. Municipal facilities refer to various buildings, structures, equipment, etc. that are set up within the planning and construction scope of urban areas and towns to provide paid or free public products and services to residents based on government responsibilities and obligations. Municipal engineering generally belongs to the country's infrastructure, and refers to various public transportation facilities, water supply, drainage, gas, urban flood control, environmental sanitation and lighting in urban construction. Infrastructure construction is an indispensable material basis for the survival and development of cities, and is the basic condition for improving people's living standards and opening up to the outside world.

[0003] For example, the pit ladder for municipal engineering construction disclosed in the authorization announcement number CN218235016U includes a climbing ladder and a support mechanism, wherein the climbing ladder includes a first step and a second step, wherein the first step is slidably connected to the second step, and the support mechanism includes two support rods, two cross rods and two hanging assemblies arranged side by side, wherein the two cross rods are arranged between the two support rods, and the two ends of the cross rods are respectively fixedly connected to the support rods, one end of the hanging assembly is rotatably connected to the fixed axis of the first step through a collar, and the other end of the hanging assembly is hung on the outer wall of the cross rod;

[0004] Although it realizes convenient disassembly and installation, thereby improving the use effect, it does not solve the problems that the existing construction ladder is not convenient for telescopic folding and unfolding, small and portable for walking, and not convenient for hand-held use when climbing the ladder, which greatly affects the safety when climbing the ladder and the convenience when carrying. Utility Model Content

[0005] The purpose of the utility model is to provide a municipal engineering construction ladder to solve the problems in the above-mentioned background technology that the construction ladder is not convenient for telescopic and foldable deployment, is not small enough for walking and carrying, and is not convenient for hand-held use when climbing, which affects the safety when climbing and the convenience when carrying.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a municipal engineering construction ladder, comprising a frame and a protective cover, a protective cover is installed on the top of the frame, a flip cover is movably installed on the top of the protective cover, four groups of first shafts are movably installed on the top of the frame on one side of the flip cover at equal intervals, a connecting sleeve is set on the outer wall of the first shaft, a large arm is movably installed inside the connecting sleeve, and the large arm extends to the outside of the connecting sleeve, a placement shaft is provided at one end of the large arm close to the connecting sleeve, and the large arm is movably connected to the connecting sleeve through the placement shaft, a roller frame is movably installed at the bottom end of the large arm, a central shaft is provided at the top of the roller frame, and the roller frame is movably connected to the large arm through the central shaft, The bottom end of the frame is equipped with a brake wheel body, and the bottom end of the frame is provided with a first pedal, and the first arm is symmetrically and movably installed on the side wall of the first pedal, the bottom end of the frame on one side of the first arm is movably installed with a first electric push rod, and the output end of the first electric push rod is movably installed with a first coupling, and the first arm is connected to the output end of the first electric push rod through the first coupling, the bottom end of the first arm is movably installed with a second pedal, and the first coupling is movably connected to the second pedal, the second arm is movably installed at the center position of the side wall of the second pedal, and the top of the second arm is movably connected to the first pedal, the bottom end of the second arm is movably installed with multiple groups of third pedals at equal intervals, and the third arm is movably installed on the side wall of the third pedal.

[0007] Preferably, a fourth pedal is provided at the bottom of the third arm, a fifth pedal is provided at the bottom of the fourth pedal, a fourth arm is movably mounted on the side wall of the fifth pedal, a first inclined frame is movably mounted on the side wall of the fifth pedal below the fourth pedal, and a lower armrest is movably mounted on the end of the first inclined frame away from the lower clamping shaft.

[0008] Preferably, an upper armrest is movably mounted on the side wall of the third arm on one side of the second pedal, an upper sliding sleeve is mounted on the top of the upper armrest, a middle sliding sleeve is slidably mounted inside the upper sliding sleeve, and the middle sliding sleeve extends to the outside of the upper sliding sleeve, a lower sliding rod is slidably mounted inside the middle sliding sleeve, and the lower sliding rod extends to the outside of the middle sliding sleeve and to the surface of the lower armrest.

[0009] Preferably, an upper clamping shaft is movably installed on the side wall of the first arm on one side of the first pedal, and the first arm is movably connected to the first pedal through the upper clamping shaft, a second support shaft is movably installed on the side wall of the second arm on one side of the first arm, and the second arm is movably connected to the first pedal through the second support shaft, a first hinge shaft is movably installed at the center position of the side wall of the second arm, and the second arm is movably connected to the second pedal through the first hinge shaft.

[0010] Preferably, the bottom end of the second arm is movably mounted with a second coupling shaft, and the second arm is movably connected to the third pedal via the second coupling shaft. The center position of the side wall of the third arm is movably mounted with a second hinge shaft, and the third arm is movably connected to the third pedal via the second hinge shaft.

[0011] Preferably, a third hinge is movably installed at the center position of the side wall of the fourth arm, and the fourth arm is movably connected to the fourth pedal through the third hinge, and a lower clamping shaft is movably installed at the bottom end of the first inclined frame on one side of the fourth arm, and the first inclined frame is movably connected to the fifth pedal through the lower clamping shaft.

[0012] Preferably, a connecting shaft is movably mounted on the side wall of the protective cover below the flip cover, and the flip cover is movably connected to the protective cover via the connecting shaft.

[0013] Preferably, a locking bolt is threadedly connected to the side wall of the connecting sleeve on one side of the first shaft, and a second electric push rod is movably installed on the top of the connecting sleeve on one side of the locking bolt.

[0014] Preferably, the output ends of the second electric push rods are all equipped with transmission rods, and the transmission rods are all movably connected to the upper arms.

[0015] Preferably, a remote controller is installed on the top of the frame on one side of the flip cover, and the output end of the remote controller is electrically connected to the input ends of the first electric push rod and the second electric push rod.

[0016] Compared with the existing technology, the beneficial effects of the utility model are: the construction ladder not only realizes the convenient telescopic folding and unfolding use of the municipal engineering construction ladder, facilitates the miniaturized walking and carrying use, facilitates the convenient hand-held use when climbing the ladder, but also improves the safety when climbing the ladder and the convenience when carrying. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the upper sliding sleeve of the present invention;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the flip cover of the present invention;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the middle sliding sleeve of the present utility model;

[0021] Figure 5 This is a schematic diagram of the three-dimensional structure of the fifth pedal of the present invention;

[0022] Figure 6This is a schematic diagram of the three-dimensional structure of the first electric push rod of the present invention;

[0023] Figure 7 This is a schematic diagram of the three-dimensional structure of the first oblique frame of the present invention;

[0024] Figure 8 This is a schematic diagram of the three-dimensional structure of the frame of the present utility model.

[0025] In the figure: 1, frame; 2, protective cover; 3, flip cover; 4, first shaft; 5, connecting sleeve; 6, large arm; 7, placement shaft; 8, roller frame; 9, first electric push rod; 10, first arm; 11, first pedal; 12, upper clamping shaft; 13, second arm; 14, second pedal; 15, first hinge shaft; 16, transmission rod; 17, second support shaft; 18, first coupling shaft; 19, second electric push rod; 20, third arm; 2 1. Third pedal; 22. Second hinge shaft; 23. Second coupling shaft; 24. Fourth arm; 25. Fourth pedal; 26. Third hinge shaft; 27. Locking bolt; 28. Fifth pedal; 29. ​​First diagonal frame; 30. Lower clamping shaft; 31. Lower armrest; 32. Lower slide bar; 33. Middle sliding sleeve; 34. Upper armrest; 35. Upper sliding sleeve; 36. Brake wheel body; 37. Center axis; 38. Connecting shaft; 39. Remote controller. DETAILED DESCRIPTION

[0026] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-8The utility model provides an embodiment of a municipal engineering construction ladder, comprising a frame 1 and a protective cover 2, a protective cover 2 being installed at the top of the frame 1, a flip cover 3 being movably installed at the top of the protective cover 2, four groups of first shafts 4 being movably installed at equal intervals at the top of the frame 1 on one side of the flip cover 3, a connecting sleeve 5 being fitted on the outer wall of the first shaft 4, a large arm 6 being movably installed inside the connecting sleeve 5, and the large arms 6 being extended to the outside of the connecting sleeve 5, a placement shaft 7 being provided at one end of the large arm 6 close to the connecting sleeve 5, and the large arm 6 being movably connected to the connecting sleeve 5 through the placement shaft 7, a roller frame 8 being movably installed at the bottom end of the large arm 6, a central shaft 37 being provided at the top of the roller frame 8, and the roller frame 8 being movably connected to the large arm 6 through the central shaft 37, and a brake wheel body being installed at the bottom end of the roller frame 8 36. A first pedal 11 is provided at the bottom end of the frame 1. A first arm 10 is symmetrically and movably mounted on the side wall of the first pedal 11. A first electric push rod 9 is movably mounted on the bottom end of the frame 1 on one side of the first arm 10, and a first coupling 18 is movably mounted on the output end of the first electric push rod 9. The first arm 10 is connected to the output end of the first electric push rod 9 via the first coupling 18. A second pedal 14 is movably mounted on the bottom end of the first arm 10, and the first coupling 18 is movably connected to the second pedal 14. A second arm 13 is movably mounted at the center position of the side wall of the second pedal 14, and the top end of the second arm 13 is movably connected to the first pedal 11. Multiple groups of third pedals 21 with equal intervals are movably mounted on the bottom end of the second arm 13, and third arms 20 are movably mounted on the side walls of the third pedal 21.

[0028] A fourth pedal 25 is provided at the bottom of the third arm 20, and a fifth pedal 28 is provided at the bottom of the fourth pedal 25. The fourth arm 24 is movably mounted on the side wall of the fifth pedal 28. A first inclined frame 29 is movably mounted on the side wall of the fifth pedal 28 below the fourth pedal 25. A lower arm 31 is movably mounted on the end of the first inclined frame 29 away from the lower clamping shaft 30.

[0029] An upper arm 34 is movably mounted on the side wall of the third arm 20 on one side of the second pedal 14. An upper sleeve 35 is mounted on the top of each upper arm 34. A middle sleeve 33 is slidably mounted inside each upper sleeve 35. The middle sleeve 33 extends to the outside of the upper sleeve 35. A lower slide rod 32 is slidably mounted inside each middle sleeve 33. The lower slide rod 32 extends to the outside of the middle sleeve 33 and to the surface of the lower arm 31.

[0030] An upper clamping shaft 12 is movably mounted on the side wall of the first arm 10 on one side of the first pedal 11, and the first arm 10 is movably connected to the first pedal 11 via the upper clamping shaft 12. A second support shaft 17 is movably mounted on the side wall of the second arm 13 on one side of the first arm 10, and the second arm 13 is movably connected to the first pedal 11 via the second support shaft 17. A first hinge shaft 15 is movably mounted at the center position of the side wall of the second arm 13, and the second arm 13 is movably connected to the second pedal 14 via the first hinge shaft 15.

[0031] A second coupling shaft 23 is movably mounted on the bottom end of each second arm 13, and each second arm 13 is movably connected to the third pedal 21 via the second coupling shaft 23. A second hinge shaft 22 is movably mounted at the center position of the side wall of each third arm 20, and each third arm 20 is movably connected to the third pedal 21 via the second hinge shaft 22. A third hinge shaft 26 is movably mounted at the center position of the side wall of each fourth arm 24, and each fourth arm 24 is movably connected to the fourth pedal 25 via the third hinge shaft 26. A lower clamping shaft 30 is movably mounted on the bottom end of each first oblique frame 29 on one side of the fourth arm 24, and each first oblique frame 29 is movably connected to the fifth pedal 28 via the lower clamping shaft 30.

[0032] The construction ladder is moved to the designated municipal engineering location. At this time, the fifth pedal 28 is located just above the designated municipal engineering underground pipe opening. The flip cover 3 is manually rotated, and the flip cover 3 is rotated around the connecting shaft 38 to change the protective cover 2 from the closed state to the unfolded state, making it convenient for users to enter the underground pipe. The first electric push rod 9 is opened by operating the remote controller 39. Under the support of the frame 1, the first electric push rod 9 drives the first arm 10 to rotate around the upper clamping shaft 12 through the first coupling shaft 18. The first pedal 11 movably supports the first arm 10 through the upper clamping shaft 12. The first electric push rod 9 drives the second pedal 14 to move through the first coupling shaft 18. The second pedal 14 drives the second arm 13 to rotate around the second support shaft 17 through the first hinge shaft 15. The second arm 13 drives the third pedal 21 to rotate around the second coupling shaft 23 through the second coupling shaft 23. At the same time, the third pedal 21 drives multiple groups of third arms 20 to rotate synchronously around the second coupling shaft 23 through the second hinge shaft 22. The third arm 20 drives the fourth When the fifth step 28 is lowered, the fifth step 28 drives the lower arm 31 through the first inclined frame 29 to rotate the lower clamping shaft 30 as the axis, and the lower arm 31 drives the lower slide bar 32 to slide out inside the middle sliding sleeve 33. When the lower slide bar 32 slides to a certain distance, the middle sliding sleeve 33 slides out inside the upper sliding sleeve 35. When the fifth step 28 stops descending, the lower slide bar 32 and the middle sliding sleeve 33 stop moving. At the same time, the fifth step 28 is lowered to the designated position, which is convenient for the operator to go down the well to work. When it is necessary to store the construction ladder, the first electric push rod 9 is reversed to facilitate the folding and retraction of the construction ladder for easy carrying. This realizes the convenient telescopic and foldable deployment of the municipal engineering construction ladder, facilitates convenient telescopic and deployment, facilitates miniaturized walking and carrying, facilitates convenient hand-held use when climbing the ladder, and improves the safety and convenience of carrying the ladder.

[0033] A connecting shaft 38 is movably mounted on the side wall of the protective cover 2 below the flip cover 3, and the flip cover 3 is movably connected to the protective cover 2 via the connecting shaft 38. A locking bolt 27 is threadedly connected to the side wall of the connecting sleeve 5 on one side of the first shaft 4. A second electric push rod 19 is movably mounted on the top of the connecting sleeve 5 on one side of the locking bolt 27. The output end of the second electric push rod 19 is mounted with a transmission rod 16, and the transmission rod 16 is movably connected to the arm 6. A remote controller 39 is mounted on the top of the frame 1 on one side of the flip cover 3, and the output end of the remote controller 39 is electrically connected to the input ends of the first electric push rod 9 and the second electric push rod 19.

[0034] When the construction ladder needs to be used, the connecting sleeve 5 is manually rotated, and the connecting sleeve 5 rotates on the surface of the first axis 4, and the connecting sleeve 5 drives the big arm 6 to rotate, so as to facilitate adjusting the position of the four sets of brake wheel bodies 36. The locking bolt 27 fixes the connecting sleeve 5 and the first axis 4 to facilitate the four sets of brake wheel bodies 36 to expand and support the frame 1. The brake wheel body 36 adopts a brake wheel structure to prevent the brake wheel body 36 from sliding. When the frame 1 needs to be moved, the remote controller 39 is operated to open the second electric push rod 19, and the second electric push rod 19 drives the big arm 6 to rotate around the placement axis 7 through the transmission rod 16, so as to facilitate the big arm 6 to drive the brake wheel body 36 to move. Under the action of the gravity of the brake wheel body 36, the roller frame 8 is always in a vertical state. The roller frame 8 can rotate around the central axis 37 to facilitate the frame 1 to be lifted up, so as to facilitate walking and moving, thereby realizing the convenient expansion and stable support use of the municipal engineering construction ladder and facilitating the convenient lifting and walking of the municipal engineering construction ladder.

[0035] Working principle: When in use, connect an external power supply, first move the construction ladder to the designated municipal engineering location, at this time the fifth pedal 28 is located just above the designated municipal engineering underground pipe opening, manually rotate the flip cover 3, the flip cover 3 rotates around the connecting shaft 38 to change the protective cover 2 from the closed state to the unfolded state, making it easier for users to enter the underground pipe, the first electric push rod 9 drives the first arm 10 to rotate around the upper clamping shaft 12 through the first coupling shaft 18, the first pedal 11 supports the first arm 10 through the upper clamping shaft 12, the first electric push rod 9 drives the second pedal 14 through the first coupling shaft 18 The second pedal 14 drives the second arm 13 to rotate around the second support shaft 17 through the first hinge shaft 15, and the second arm 13 drives the third pedal 21 to rotate around the second coupling shaft 23 through the second coupling shaft 23. At the same time, the third pedal 21 drives multiple groups of third arms 20 to rotate synchronously around the second coupling shaft 23 through the second hinge shaft 22. The third arm 20 drives the fourth pedal 25 to move synchronously. The fourth pedal 25 drives the fourth arm 24 to move synchronously through the third hinge shaft 26. The fourth arm 24 drives the fifth pedal 28 to move synchronously. When the fifth pedal 28 descends, the fifth pedal 28 passes through the first inclined frame 29 with The movable lower arm 31 rotates with the lower clamping shaft 30 as the axis, and the lower arm 31 drives the lower slide rod 32 to slide out inside the middle sliding sleeve 33. When the lower slide rod 32 slides to a certain distance, the middle sliding sleeve 33 slides out inside the upper sliding sleeve 35. When the fifth pedal 28 stops descending, the lower slide rod 32 and the middle sliding sleeve 33 stop moving. At the same time, the fifth pedal 28 drops to the specified position to facilitate the workers to go down the well for construction work. The connecting sleeve 5 is manually rotated. The connecting sleeve 5 rotates on the surface of the first shaft 4. The connecting sleeve 5 drives the big arm 6 to rotate to facilitate the adjustment of the position of the four sets of brake wheel bodies 36. The locking bolts 27 are tightened on the connecting sleeve The frame 5 and the first shaft 4 play a fixing role to facilitate the expansion of the four sets of brake wheel bodies 36 to support the frame 1. The brake wheel body 36 adopts a brake wheel structure to prevent the brake wheel body 36 from sliding. When the frame 1 needs to be moved, the second electric push rod 19 drives the big arm 6 to rotate with the placement axis 7 as the axis through the transmission rod 16, so as to facilitate the big arm 6 to drive the brake wheel body 36 to move. Under the action of the gravity of the brake wheel body 36, the roller frame 8 is always in a vertical state. The roller frame 8 can be rotated with the central axis 37 as the axis to facilitate the support of the frame 1, to facilitate walking and moving, and to complete the use of the construction ladder.

Claims

1. A municipal engineering construction ladder, comprising a frame and a protective cover, characterized in that: The top of the frame is equipped with a protective cover, the top of the protective cover is movably equipped with a flip cover, the top of the frame on one side of the flip cover is movably equipped with four groups of first shafts at equal intervals, the outer walls of the first shafts are fitted with connecting sleeves, the interiors of the connecting sleeves are movably equipped with large arms, and the large arms are extended to the outside of the connecting sleeves, the ends of the large arms close to the connecting sleeves are provided with placement shafts, and the large arms are movably connected to the connecting sleeves through the placement shafts, the bottom ends of the large arms are movably equipped with roller frames, the tops of the roller frames are provided with central shafts, and the roller frames are movably connected to the large arms through the central shaft, the bottom ends of the roller frames are equipped with brake wheel bodies, and the bottom ends of the frame A first pedal is provided, and a first arm is symmetrically and movably installed on the side wall of the first pedal, a first electric push rod is movably installed on the bottom end of the frame on one side of the first arm, and the output end of the first electric push rod is movably installed with a first coupling, and the first arm is connected to the output end of the first electric push rod through the first coupling, a second pedal is movably installed on the bottom end of the first arm, and the first coupling is movably connected to the second pedal, a second arm is movably installed at the center position of the side wall of the second pedal, and the top end of the second arm is movably connected to the first pedal, a plurality of groups of third pedals with equal intervals are movably installed on the bottom end of the second arm, and a third arm is movably installed on the side wall of the third pedal.

2. A municipal engineering construction ladder according to claim 1, characterized in that: A fourth pedal is provided at the bottom of the third arm, a fifth pedal is provided at the bottom of the fourth pedal, a fourth arm is movably mounted on the side wall of the fifth pedal, a first inclined frame is movably mounted on the side wall of the fifth pedal below the fourth pedal, and a lower armrest is movably mounted on the end of the first inclined frame away from the lower clamping shaft.

3. A municipal engineering construction ladder according to claim 1, characterized in that: An upper armrest is movably installed on the side wall of the third arm on one side of the second pedal, an upper sliding sleeve is installed on the top of the upper armrest, a middle sliding sleeve is slidably installed inside the upper sliding sleeve, and the middle sliding sleeves extend to the outside of the upper sliding sleeve, a lower sliding rod is slidably installed inside the middle sliding sleeve, and the lower sliding rod extends to the outside of the middle sliding sleeve and to the surface of the lower armrest.

4. A municipal engineering construction ladder according to claim 1, characterized in that: An upper clamping shaft is movably installed on the side wall of the first arm on one side of the first pedal, and the first arm is movably connected to the first pedal through the upper clamping shaft. A second support shaft is movably installed on the side wall of the second arm on one side of the first arm, and the second arm is movably connected to the first pedal through the second support shaft. A first hinge shaft is movably installed at the center position of the side wall of the second arm, and the second arm is movably connected to the second pedal through the first hinge shaft.

5. A municipal engineering construction ladder according to claim 2, characterized in that: The bottom ends of the second arms are movably mounted with second coupling shafts, and the second arms are movably connected to the third pedals via the second coupling shafts. The center positions of the side walls of the third arms are movably mounted with second hinge shafts, and the third arms are movably connected to the third pedals via the second hinge shafts.

6. A municipal engineering construction ladder according to claim 2, characterized in that: A third hinge is movably installed at the center position of the side wall of the fourth arm, and the fourth arm is movably connected to the fourth pedal through the third hinge. A lower clamping shaft is movably installed at the bottom end of the first inclined frame on one side of the fourth arm, and the first inclined frame is movably connected to the fifth pedal through the lower clamping shaft.

7. The municipal engineering construction ladder according to claim 1, characterized in that: A connecting shaft is movably mounted on the side wall of the protective cover below the flip cover, and the flip cover is movably connected to the protective cover via the connecting shaft.

8. The municipal engineering construction ladder according to claim 1, characterized in that: The side walls of the connecting sleeve on one side of the first shaft are all threadedly connected with locking bolts, and the top of the connecting sleeve on one side of the locking bolt is movably mounted with a second electric push rod.

9. A municipal engineering construction ladder according to claim 8, characterized in that: The output ends of the second electric push rods are all equipped with transmission rods, and the transmission rods are all movably connected to the upper arms.

10. The municipal engineering construction ladder according to claim 1, characterized in that: A remote controller is installed on the top of the frame on one side of the flip cover, and the output end of the remote controller is electrically connected to the input ends of the first electric push rod and the second electric push rod.

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