Working ladder for sound barrier construction

Abstract

The utility model discloses a working ladder for sound barrier construction, which comprises a base, two wheel seats are symmetrically and fixedly arranged at the bottom of the base, travelling wheels are respectively and rotatably arranged on the wheel seats, threaded sleeves are respectively and fixedly arranged on the opposite sides of the two wheel seats, and the threaded sleeves are fixedly connected with the two wheel seats. Limiting screws matched with the threaded sleeves are arranged in the threaded sleeves, and rotating handles are fixedly arranged at the ends, located outside the threaded sleeves, of the limiting screws. A plurality of limiting through holes matched with the limiting screw rods are uniformly formed in each travelling wheel in the circumferential direction; two main body vertical plates are symmetrically and fixedly arranged on the upper portion of the base, and a plurality of horizontal halfpace plates are evenly arranged between the two main body vertical plates at intervals. When the working ladder disclosed by the utility model is applied to sound barrier construction, the two travelling wheels are symmetrically arranged at the bottom of the working ladder, so that the moving convenience of the working ladder is improved, the action of locking the travelling wheels can be realized, and the stability of the working ladder during operation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sound barrier construction auxiliary equipment, in particular to a working ladder used for sound barrier construction. Background Art

[0002] Sound barriers are mainly used on highways, railways and viaducts for sound insulation and noise reduction. During the construction and installation of sound barriers, it is usually necessary to cast concrete foundations on both sides of the highway or railway, and then the modular sound barriers are installed on the foundations. In general, in order to improve the sound insulation effect of the sound barriers, their height is relatively high. Therefore, during construction, operators need to use work ladders to construct the sound barriers. At present, the work ladders are inconvenient to move during the construction process, which reduces the construction efficiency of the sound barriers. There are also construction sites that install rollers at the bottom of the work ladder to improve the mobility of the work ladder, but this type of work ladder with rollers is not stable when the staff is working. Therefore, a work ladder for sound barrier construction is developed. Utility Model Content

[0003] The purpose of the utility model is to provide a working ladder for the construction of sound barriers, so as to solve the technical problems mentioned in the above-mentioned background technology.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses a working ladder for the construction of sound barriers, comprising a base, wherein two wheel seats are symmetrically fixedly arranged at the bottom of the base, each of the wheel seats is rotatably provided with a running wheel, threaded sleeves are fixedly arranged on opposite sides of the two wheel seats, a limiting screw matched therewith is arranged in each threaded sleeve, and a rotating handle is fixedly arranged at one end of each limiting screw located outside the threaded sleeve; each of the running wheels is evenly provided with a plurality of limiting through holes matched with the limiting screws along the circumferential direction.

[0006] Two main body upright plates are symmetrically fixedly arranged on the upper part of the base, and a plurality of horizontal step platforms are evenly spaced between the two main body upright plates.

[0007] A hydraulic cylinder is fixedly provided on the outer upper half of the two main vertical panels, and the telescopic end of the hydraulic cylinder is fixedly connected to a slide slidably provided on the corresponding main vertical panel; two first connecting ears are symmetrically fixedly provided on both sides of each slide, and each of the first connecting ears is hingedly connected to one end of the first support rod, and a supporting plate is fixedly provided on the other end of each of the first support rods.

[0008] Furthermore, each of the main body uprights is symmetrically fixed with two second connecting ears at a position between the slide and the base, a third connecting ear is fixedly provided at the middle of each of the first support rods, and a second support rod is hingedly provided between each of the third connecting ears and the corresponding second connecting ears.

[0009] Furthermore, a connecting plate is commonly fixedly provided between the middle parts of the plurality of ladder platforms, a mounting seat is fixedly provided on the upper part of the connecting plate, a hoisting roller and a driving motor for driving the hoisting roller to rotate are provided on the mounting seat, a hoisting rope is wound around the hoisting roller, and the free end of the hoisting rope is fixedly connected to a tool frame slidably provided on the connecting plate.

[0010] Furthermore, a slide rail is fixedly provided at the middle of the connecting plate, and a sliding block matched with the slide rail is fixedly provided at the back side of the tool frame.

[0011] Compared with the prior art, the beneficial technical effects of the utility model are:

[0012] When the utility model is applied to the construction of the sound barrier, two running wheels are symmetrically installed at the bottom of the working ladder, thereby improving the convenience of moving the working ladder. When the working ladder is moved into position, the turning handle is rotated, and due to the threaded connection between the limiting screw and the threaded sleeve, the limiting screw moves linearly during the rotation process until the end is inserted into the limiting insertion hole on the running wheel opposite to it, thereby realizing the locking effect of the running wheel and improving the stability of the working ladder during operation.

[0013] In addition, the utility model also has a first support rod and a second support rod driven by a hydraulic cylinder on both sides of the working ladder. When the working ladder is in use, the corresponding slider is driven downward by the hydraulic cylinder, so that the first support rod and the second support rod are opened, and the supporting plate at the bottom of the first support rod is in contact with the ground, further improving the stability of the working ladder. When the slider is driven upward by the hydraulic cylinder, the first support rod and the second support rod are closed, so as to facilitate the movement and storage of the working ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model will be further described below in conjunction with the accompanying drawings.

[0015] Figure 1 It is a schematic diagram of the side structure of the utility model;

[0016] Figure 2 for Figure 1 Left view of;

[0017] Figure 3 for Figure 1 Right view of;

[0018] Figure 4 This is a schematic diagram of the installation of the walking wheel;

[0019] Explanation of the reference numerals in the accompanying drawings: 1. base; 2. wheel seat; 3. walking wheel; 4. threaded sleeve; 5. limiting screw; 6. rotary handle; 7. limiting through hole; 8. main body vertical plate; 9. ladder platform; 10. hydraulic cylinder; 11. slide; 12. first connecting ear; 13. first support rod; 14. supporting plate; 15. second connecting ear; 16. third connecting ear; 17. second support rod; 18. connecting plate; 19. mounting seat; 20. driving motor; 21. hoisting rope; 22. tool frame; 23. slide rail; 24. slider; 25. hoisting roller. DETAILED DESCRIPTION

[0020] like Figure 1-Figure 4 As shown, a work ladder for sound barrier construction includes a base 1, and two wheel seats 2 are symmetrically fixedly installed at the bottom of the base 1, and each wheel seat 2 is rotatably installed with a running wheel 3. Threaded sleeves 4 are fixedly installed on the opposite sides of the two wheel seats 2, and a matching limiting screw 5 is installed in each threaded sleeve 4. A rotating handle 6 is fixedly provided at one end of each limiting screw 5 located outside the threaded sleeve 4, and each running wheel 3 is evenly opened along the circumference with a plurality of limiting through holes 7 matching the limiting screw 5. The inner diameter of the limiting through hole 7 is slightly larger than the outer diameter of the limiting screw 5, so that the limiting screw 5 can be inserted into the inner part of the limiting through hole 7 opposite to it.

[0021] Two main body upright plates 8 are symmetrically fixedly arranged on the upper part of the base 1 , and a plurality of horizontal step plates 9 are evenly spaced and fixedly arranged between the two main body upright plates 8 .

[0022] A vertical hydraulic cylinder 10 is fixedly installed on the outer upper halves of the two main body upright plates 8, and the telescopic end of the hydraulic cylinder 10 is arranged downward and fixedly connected to a slide 11 slidably installed on the corresponding main body upright plate 8. Two first connecting ears 12 are symmetrically fixedly arranged on both sides of each slide 11, and each first connecting ear 12 is hingedly connected to one end of a first support rod 13, and a supporting plate 14 is fixedly arranged on the other end of each first support rod 13.

[0023] Each of the main upright plates 8 is symmetrically fixed with two second connecting ears 15 at the position between the slide 11 and the base 1, a third connecting ear 16 is fixedly provided in the middle of each of the first support rods 13, and a second support rod 17 is hingedly installed between each of the third connecting ears 16 and the corresponding second connecting ears 15.

[0024] When the utility model is applied to the construction of the sound barrier, two running wheels are symmetrically installed at the bottom of the working ladder, thereby improving the convenience of moving the working ladder. When the working ladder is moved into position, the turning handle is rotated, and due to the threaded connection between the limiting screw and the threaded sleeve, the limiting screw moves linearly during the rotation process until the end is inserted into the limiting insertion hole on the running wheel opposite to it, thereby realizing the locking effect of the running wheel and improving the stability of the working ladder during operation.

[0025] In addition, the utility model also has a first support rod and a second support rod driven by a hydraulic cylinder on both sides of the working ladder. When the working ladder is in use, the corresponding slider is driven downward by the hydraulic cylinder, so that the first support rod and the second support rod are opened, and the supporting plate at the bottom of the first support rod is in contact with the ground, further improving the stability of the working ladder. When the slider is driven upward by the hydraulic cylinder, the first support rod and the second support rod are closed, so as to facilitate the movement and storage of the working ladder.

[0026] As a further improvement of the present invention, a vertical connecting plate 18 is commonly fixedly arranged between the middle parts of the plurality of ladder platforms 9, and a mounting seat 19 is fixedly arranged on the upper part of the connecting plate 18, on which a hoisting roller is rotatably mounted, and a driving motor 20 for driving the hoisting roller 25 to rotate is fixedly mounted. A hoisting rope 21 is wound around the hoisting roller 25, and the free end of the hoisting rope 21 is fixedly connected to a tool frame 22 slidably mounted on the connecting plate 18. Specifically: a slide rail 23 is fixedly mounted on the middle part of the connecting plate 18, and a slider 24 adapted to the slide rail 23 is fixedly mounted on the back side of the tool frame 22. Through the above arrangement, when the staff is working on the work ladder, the tool frame that can be raised and lowered facilitates providing the staff with the tools required for the work, thereby improving the convenience of the work ladder.

[0027] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A working ladder for sound barrier construction, characterized in that: The invention comprises a base, wherein two wheel seats are symmetrically fixedly arranged at the bottom of the base, and each wheel seat is rotatably arranged with a running wheel, and a threaded sleeve is fixedly arranged on the opposite side of the two wheel seats, and a limiting screw matched with the limiting screw is arranged in each threaded sleeve, and a rotating handle is fixedly arranged at one end of each limiting screw located outside the threaded sleeve; each running wheel is evenly opened with a plurality of limiting through holes matched with the limiting screw along the circumferential direction; Two main body upright plates are symmetrically fixedly arranged on the upper part of the base, and a plurality of horizontal step platforms are evenly spaced between the two main body upright plates; A hydraulic cylinder is fixedly provided on the outer upper half of the two main vertical panels, and the telescopic end of the hydraulic cylinder is fixedly connected to a slide slidably provided on the corresponding main vertical panel; two first connecting ears are symmetrically fixedly provided on both sides of each slide, and each of the first connecting ears is hingedly connected to one end of the first support rod, and a supporting plate is fixedly provided on the other end of each of the first support rods.

2. The working ladder for sound barrier construction according to claim 1 is characterized in that: Each of the main body uprights is symmetrically fixed with two second connecting ears at a position between the slide and the base, a third connecting ear is fixedly provided at the middle of each of the first support rods, and a second support rod is hingedly provided between each of the third connecting ears and the corresponding second connecting ears.

3. The working ladder for sound barrier construction according to claim 1 is characterized in that: A connecting plate is commonly fixedly arranged between the middle parts of the plurality of ladder platforms, a mounting seat is fixedly arranged on the upper part of the connecting plate, a hoisting roller and a driving motor for driving the hoisting roller to rotate are arranged on the mounting seat, a hoisting rope is wound around the hoisting roller, and the free end of the hoisting rope is fixedly connected to a tool frame slidably arranged on the connecting plate.

4. The working ladder for sound barrier construction according to claim 3 is characterized in that: A slide rail is fixedly arranged at the middle of the connecting plate, and a sliding block matched with the slide rail is fixedly arranged at the back side of the tool frame.

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