Crawling ladder for constructional engineering

Abstract

The utility model provides a building crawling ladder for constructional engineering. The building crawling ladder comprises a bottom plate; the through grooves are formed in the two ends of the top of the bottom plate correspondingly, guide rods are fixedly installed at one ends of the inner side faces of the through grooves, and rotating frames are fixedly installed on the periphery of the top of the bottom plate; and the first crawling ladders are arranged at the two ends of the top of the bottom plate correspondingly, and the bottoms of the first crawling ladders are rotationally connected to the inner side face of the rotating frame. According to the building crawling ladder for constructional engineering provided by the utility model, the bottom plate, the first crawling ladder body, the clamping groove, the clamping plate, the second crawling ladder body, the winding box, the winding wheel, the pull rope and other structures are matched with one another, so that when the crawling ladder is used, a user rotates a rocking handle, the winding wheel can be driven to rotate to wind the pull rope, and the use is convenient. And at the moment, the user can adjust the maximum supporting height of the climbing frame according to the use condition, so that the adaptability of the climbing frame is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building climbing frames, in particular to a building ladder for construction engineering. Background Art

[0002] Building construction refers to the production activities during the implementation stage of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. In the existing construction process, when constructing high-altitude buildings, construction workers need to use climbing frames to complete their work.

[0003] As in the patent application with publication number CN218933771U in the prior art, it is through a base plate, self-locking universal wheels, a connecting frame, a first climbing frame, a second climbing frame, a cross plate, a reinforcement rod, a fixing sleeve, a sliding sleeve, a connecting hook and a positioning assembly, the self-locking universal wheels are respectively fixed on the four corners of the bottom of the base plate, and the connecting frame is respectively fixed on the four corners of the top of the base plate. The first climbing frame is rotatably connected to the two connecting frames on one side above the base plate by an axle pin, and the second climbing frame is rotatably connected to the two connecting frames on the side above the base plate away from the first climbing frame by an axle pin. After the first climbing frame and the second climbing frame are folded to a horizontal state with the base plate; when the present application is used, two adjacent construction engineering climbing frames can be stably connected into a whole, and then when the user steps from one construction climbing frame to another construction climbing frame, there will be no relative movement between the two construction climbing frames, thereby improving the safety of use.

[0004] However, when the device is in use, the maximum supporting height of the first climbing frame and the second climbing frame is fixed, and the overall height of the climbing frame cannot be adjusted according to the height required for operation. Especially when operating indoor buildings, due to the limitation of floor height, it is easy to cause the first climbing frame and the second climbing frame of fixed height to be supported, which reduces the adaptability of the climbing frame.

[0005] Therefore, it is necessary to provide a kind of construction engineering building ladder to solve the above-mentioned technical problems. Utility Model Content

[0006] The utility model provides a construction engineering building ladder, which solves the problem that the height of the climbing frame cannot be adjusted and the adaptability of the climbing frame is reduced.

[0007] In order to solve the above technical problems, the utility model provides a construction engineering building ladder, comprising:

[0008] Base plate;

[0009] A through groove, wherein the through groove is respectively provided at two ends of the top of the bottom plate, a guide rod is fixedly installed at one end of the inner side of the through groove, and a rotating frame is fixedly installed around the top of the bottom plate;

[0010] A first ladder, wherein the first ladder is respectively arranged at two ends of the top of the bottom plate, the bottom of the first ladder is rotatably connected to the inner side of the rotating frame, a clamping groove is provided on one side of the first ladder, a clamping plate is clamped on the inner side of the clamping groove, and a second ladder is fixedly installed on one side of the clamping plate;

[0011] A support plate, the support plate is arranged at the top of the second ladder, hooks are fixedly installed on both sides of both ends of the support plate, a plurality of limit screws are passed through the hooks, and the hooks are arranged at the top of the second ladder;

[0012] A winding box, which is fixedly installed inside the base plate, and a rotating shaft is rotatably connected inside the winding box. Two winding wheels are fixedly installed on the outer side of the rotating shaft, and a pull rope is wrapped around the outer sides of the two winding wheels, and one end of the pull rope is set at the bottom of the second ladder. A large gear is also fixedly installed on the outer side of the rotating shaft, and a small gear is meshed on one side of the large gear. A rotating rod is fixedly installed inside the small gear, and one end of the rotating rod extends to the front side of the base plate, and a crank handle is fixedly installed on one end of the rotating rod.

[0013] Preferably, rollers are fixedly mounted around the bottom of the base plate.

[0014] Preferably, the top of the first ladder is rotatably connected to a guide wheel, and the pull rope is respectively arranged on the surface of the guide wheel and the guide rod.

[0015] Preferably, a limit plate is fixedly installed on the front side of the base plate, the limit plate is arranged on the outer side of the rotating rod, the internal thread of the crank handle is connected with a locking screw, and one end of the locking screw is arranged on one side of the limit plate.

[0016] Preferably, threaded rings are fixedly installed inside the four sides of the bottom plate.

[0017] Preferably, the inner side surface of the threaded ring is threadedly connected with a threaded rod.

[0018] Preferably, a rotating handle is fixedly mounted on the top of the threaded rod, and a pad is rotatably connected to the bottom of the threaded rod.

[0019] Compared with the related art, the construction engineering building ladder provided by the utility model has the following beneficial effects:

[0020] The utility model provides a construction engineering building ladder, which cooperates with each other through structures such as a bottom plate, a first ladder, a clamping groove, a clamping plate, a second ladder, a winding box, a winding wheel and a pull rope. When in use, the user rotates a handle to drive the winding wheel to rotate to reel in the pull rope. At this time, the user can adjust the maximum supporting height of the climbing frame according to the usage situation, thereby increasing the adaptability of the climbing frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic structural diagram of a first embodiment of a construction engineering building ladder provided by the utility model;

[0022] Figure 2 for Figure 1 The schematic diagram of the bottom plate structure shown;

[0023] Figure 3 for Figure 1 The schematic diagram of the top cross-sectional structure of the winding box shown;

[0024] Figure 4 The present invention is a structural schematic diagram of a second embodiment of a construction engineering building ladder provided by the utility model.

[0025] Numbers in the figure: 1. bottom plate, 11. roller, 12. through groove, 13. guide rod, 14. limit plate, 15. rotating frame, 2. winding box, 21. rotating shaft, 22. winding wheel, 23. pull rope, 24. large gear, 25. small gear, 26. rotating rod, 27. crank handle, 28. locking screw, 3. first ladder, 31. guide wheel, 32. clamping groove, 33. clamping plate, 34. second ladder, 4. support plate, 41. hook, 42. limit screw, 5. threaded ring, 51. threaded rod, 52. rotating handle, 53. pad. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and implementation modes. Example 1

[0027] Please refer to Figure 1 , Figure 2 , Figure 3 ,in, Figure 1 A schematic structural diagram of a first embodiment of a construction engineering building ladder provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the bottom plate structure shown; Figure 3 for Figure 1 The top cross-sectional structure diagram of the winding box is shown. A construction engineering building ladder comprises: a bottom plate 1;

[0028] A through slot 12, the through slot 12 is respectively provided at both ends of the top of the bottom plate 1, a guide rod 13 is fixedly installed at one end of the inner side of the through slot 12, and a rotating frame 15 is fixedly installed around the top of the bottom plate 1;

[0029] A first ladder 3, the first ladder 3 is respectively arranged at two ends of the top of the bottom plate 1, the bottom of the first ladder 3 is rotatably connected to the inner side of the rotating frame 14, a clamping groove 32 is opened on one side of the first ladder 3, a clamping plate 33 is clamped on the inner side of the clamping groove 32, and a second ladder 34 is fixedly installed on one side of the clamping plate 33;

[0030] A support plate 4, the support plate 4 is arranged at the top of the second ladder 34, hooks 41 are fixedly installed on both sides of both ends of the support plate 4, a plurality of limit screws 42 are passed through the hook 41, and the hook 41 is arranged at the top of the second ladder 34;

[0031] A winding box 2, wherein the winding box 2 is fixedly installed inside the base plate 1, and a rotating shaft 21 is rotatably connected inside the winding box 2, and two winding wheels 22 are fixedly installed on the outer side of the rotating shaft 21, and a pull rope 23 is wound around the outer sides of the two winding wheels 22, and one end of the pull rope 23 is arranged at the bottom of the second ladder 34, and a large gear 24 is also fixedly installed on the outer side of the rotating shaft 21, and a small gear 25 is meshed on one side of the large gear 24, and a rotating rod 26 is fixedly installed inside the small gear 25, and one end of the rotating rod 26 extends to the front side of the base plate 1, and a crank handle 27 is fixedly installed on one end of the rotating rod 26.

[0032] The top of the first ladder 3 is rotatably connected to a guide wheel 31 , and the pull rope 23 is respectively arranged on the surface of the guide wheel 31 and the guide rod 13 .

[0033] A limit plate 14 is fixedly installed on the front side of the base plate 1 , and the limit plate 14 is arranged on the outer side of the rotating rod 26 . The inner thread of the crank handle 27 is connected with a locking screw 28 , and one end of the locking screw 28 is arranged on one side of the limit plate 14 .

[0034] When the second ladder 34 moves up and down, the clamping plate 33 will slide on the inner side of the clamping groove 32, and a limiting structure is provided on the top of the inner side of the clamping groove 32, so as to prevent the clamping plate 33 from falling off from the inner side of the clamping groove 32;

[0035] After use, the user removes the support plate 4 from the second ladder 34. At this time, the user can rotate the first ladder 3 so that the two first ladders 3 are placed on the bottom plate 1, thereby storing the climbing frame and reducing the occupied space;

[0036] The small gear 25 drives the large gear 24 to rotate, which can save effort when adjusting the height of the second ladder 34;

[0037] After adjusting to a suitable height, the user can tighten the screw 28 so that the locking screw 28 is threadedly connected inside the crank 27 , so that one end of the locking screw 28 is pressed against the limiting plate 14 , thereby limiting the crank 27 and the rotating rod 26 .

[0038] The working principle of a construction engineering building ladder provided by the utility model is as follows:

[0039] When in use, the user moves the climbing frame to the time when it is needed to be used, and then the user selects the hook 41 on the support plate 4 according to the required working height to be placed on the first ladder 3 and the second ladder 34. When the second ladder 34 is needed, the user places the hook 41 on the second ladder 34 and screws the limit screw 42 to the top of the second ladder 34 to limit the support plate 4;

[0040] When the height of the support plate 4 needs to be adjusted later, the user can turn the crank 27 to make the crank 27 drive the rotating rod 26 to rotate, so that the small gear 25 drives the large gear 24 to rotate, and then the large gear 24 drives the two winding wheels 22 to rotate through the rotating shaft 21 to reel in the pull rope 23, so that one end of the pull rope 23 pulls the bottom of the second ladder 34, so that the second ladder 34 moves upward until the support plate 4 is moved to a suitable height.

[0041] Compared with the related art, the construction engineering building ladder provided by the utility model has the following beneficial effects:

[0042] Through the cooperation of structures such as the base plate 1, the first ladder 3, the snap-in groove 32, the snap-in plate 33, the second ladder 34, the winding box 2, the winding wheel 22 and the pull rope 23, when in use, the user turns the crank 27 to drive the winding wheel 22 to rotate and reel in the pull rope 23. At this time, the user can adjust the maximum support height of the climbing frame according to the usage situation, thereby increasing the adaptability of the climbing frame. Example 2

[0043] Please refer to Figure 4 Based on the construction engineering building ladder provided by the first embodiment of the present application, the second embodiment of the present application proposes another construction engineering building ladder. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0044] Specifically, the difference of the construction engineering building ladder provided by the second embodiment of the present application is that, in the construction engineering building ladder, threaded rings 5 ​​are fixedly installed inside the four sides of the base plate 1.

[0045] The inner side surface of the thread ring 5 is threadedly connected with a threaded rod 51 .

[0046] A rotating handle 52 is fixedly mounted on the top of the threaded rod 51 , and a backing plate 53 is rotatably connected to the bottom of the threaded rod 51 .

[0047] The working principle of a construction engineering building ladder provided by the utility model is as follows:

[0048] After moving the ladder to a suitable position, the user can rotate the handle 52 so that the handle 52 drives the threaded rod 51 to be threadedly connected to the inner side of the thread ring 5, so that the bottom of the threaded rod 51 drives the pad 53 to move downward, so that the bottom of the pad 53 contacts the ground, thereby adjusting the ladder to a horizontal level.

[0049] Compared with the related art, the construction engineering building ladder provided by the utility model has the following beneficial effects:

[0050] The threaded ring 5, the threaded rod 51, the rotating handle 52 and the pad 53 cooperate with each other. When in use, the rotating handle 52 drives the threaded rod 51 to be threadedly connected to the inner side of the threaded ring 5, so that the pad 53 moves downward. In this way, when the ground is uneven, the level of the ladder can be adjusted to avoid the ladder from tilting.

[0051] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A construction engineering building ladder, characterized in that: include: Base plate; A through groove, wherein the through groove is respectively provided at two ends of the top of the bottom plate, a guide rod is fixedly installed at one end of the inner side of the through groove, and a rotating frame is fixedly installed around the top of the bottom plate; A first ladder, wherein the first ladder is respectively arranged at two ends of the top of the bottom plate, the bottom of the first ladder is rotatably connected to the inner side of the rotating frame, a clamping groove is provided on one side of the first ladder, a clamping plate is clamped on the inner side of the clamping groove, and a second ladder is fixedly installed on one side of the clamping plate; A support plate, the support plate is arranged at the top of the second ladder, hooks are fixedly installed on both sides of both ends of the support plate, a plurality of limit screws are passed through the hooks, and the hooks are arranged at the top of the second ladder; A winding box, which is fixedly installed inside the base plate, and a rotating shaft is rotatably connected inside the winding box. Two winding wheels are fixedly installed on the outer side of the rotating shaft, and a pull rope is wrapped around the outer sides of the two winding wheels, and one end of the pull rope is set at the bottom of the second ladder. A large gear is also fixedly installed on the outer side of the rotating shaft, and a small gear is meshed on one side of the large gear. A rotating rod is fixedly installed inside the small gear, and one end of the rotating rod extends to the front side of the base plate, and a crank handle is fixedly installed on one end of the rotating rod.

2. A construction engineering building ladder according to claim 1, characterized in that: Rollers are fixedly installed around the bottom of the base plate.

3. A construction engineering building ladder according to claim 2, characterized in that: The top of the first ladder is rotatably connected to a guide wheel, and the pull rope is respectively arranged on the surface of the guide wheel and the guide rod.

4. A construction engineering building ladder according to claim 3, characterized in that: A limit plate is fixedly installed on the front side of the bottom plate, and the limit plate is arranged on the outer side of the rotating rod. The inner thread of the crank handle is connected with a locking screw, and one end of the locking screw is arranged on one side of the limit plate.

5. A construction engineering building ladder according to claim 1, characterized in that: Threaded rings are fixedly installed inside the four sides of the bottom plate.

6. A construction engineering building ladder according to claim 5, characterized in that: The inner side surface of the threaded ring is threadedly connected with a threaded rod.

7. A construction engineering building ladder according to claim 6, characterized in that: A rotating handle is fixedly mounted on the top of the threaded rod, and a backing plate is rotatably connected to the bottom of the threaded rod.

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