Inspection well ladder for municipal public engineering construction

Abstract

The utility model relates to the technical field of inspection well ladders, and provides an inspection well ladder for municipal public engineering construction, which is suitable for people with different body types and different steps, has stronger flexibility, is not easy to shake upright posts, is not easy to be injured by the shaking of the upright posts when a worker climbs, and has stronger safety. Comprising stand columns, transverse plates, an adjusting assembly, connecting rods, a positioning plate and a positioning assembly, the multiple transverse plates are slidably connected between the two stand columns, the adjusting assembly is arranged between the stand columns and the transverse plates, the two connecting rods are fixedly connected to the two stand columns respectively, the positioning plate is fixedly connected to the two connecting rods, and the positioning assembly is arranged on the positioning plate. The positioning assembly comprises positioning air cushions, a communicating pipe, a vacuum pump and a connecting pipe, the positioning air cushions are fixedly installed on the positioning plate, the communicating pipe communicates with the multiple positioning air cushions, the vacuum pump is fixedly installed on the positioning plate, and the connecting pipe communicates with the vacuum pump and the communicating pipe.

Description

Technical Field

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

[0002] In cities, all public water supplies, sewage drains, telephone lines, and fiber optic networks may be connected through underground passages under manholes. Therefore, during the construction of municipal public works, it is often necessary to conduct inspections under the manholes, which requires the use of manhole ladders.

[0003] An existing manhole ladder for municipal public works construction, China disclosed a manhole ladder for municipal public works construction with patent publication number CN201820375178.8 on June 3, 2022. The ladder is provided with two fixed columns at the top of the ladder, and the two fixed columns are placed on the bottom surface near the manhole opening through four bonding plates, so as to prevent the device from causing damage to the sealing ring of the manhole opening. At the same time, a fixed plate and a movable plate are provided on the fixed column, and the movable plate is configured as a movable structure, which can adapt to ladders of different widths. Connecting sleeves are provided on the fixed plate and the movable plate, and the connecting sleeve is configured as a movable structure, so that the device can adjust the horizontal position of the ladder as needed, thereby improving the working efficiency of the device. The device limits and fixes the ladder by fixing screws on the fixed plate and the movable plate and bolts on the connecting sleeve, so that the ladder can be stably installed and will not shake during work, thereby improving the working efficiency of the device.

[0004] However, everyone's body shape and pace are different, so the distance between the horizontal bars on the ladder is not suitable for everyone, causing some people to step on the wrong step when climbing using the manhole ladder, resulting in injuries to workers. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies of the prior art, the utility model provides a manhole ladder for municipal public works construction to solve the problem in the background art that the distance between the horizontal bars on the ladder of the prior art is not suitable for everyone.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a manhole ladder for municipal public engineering construction, comprising a column, a cross plate, an adjustment assembly, a connecting rod, a positioning plate and a positioning assembly, wherein two columns are provided, and multiple cross plates are provided, and multiple cross plates are slidably connected between two columns, and the adjustment assembly is provided between the column and the cross plate to adjust the position of the cross plate, and two connecting rods are provided, and the two connecting rods are respectively fixedly connected to the two columns, and the positioning plate is fixedly connected to the two connecting rods, and the positioning assembly is provided on the positioning plate to limit the position of the positioning plate.

[0009] Preferably, the adjustment assembly includes a fixed plate, a rotating screw, a threaded barrel and a driving assembly, wherein two fixed plates are provided, the fixed plates are fixedly connected to the column, the rotating screw is rotatably connected between the two fixed plates, the threaded barrel is threadably sleeved on the rotating screw, and the threaded barrel is rotatably sleeved on the cross plate, and the driving assembly is provided on the threaded barrel for driving the threaded barrel to rotate.

[0010] Furthermore, the driving assembly includes a support frame, a rotating rod, a driving gear, a passive gear, a rotating knob and a linkage assembly. The support frame is fixedly connected to the transverse plate, the rotating rod is rotatably connected to the support frame, the driving gear is fixedly sleeved on the rotating rod, the passive gear is fixedly sleeved on the threaded cylinder, and the driving gear is meshed with the passive gear, the rotating knob is fixedly connected to the rotating rod, and the rotating knob passes through the support frame and extends to the outside, and the linkage assembly is arranged on the transverse plate for simultaneously driving the two rotating rods located on one transverse plate to rotate.

[0011] Furthermore, the linkage assembly includes a protective box, a transmission wheel and a transmission belt. The protective box is fixedly connected to the horizontal plate, and the rotating rod passes through the protective box and is rotatably connected to the inner bottom wall of the protective box. Two transmission wheels are provided, and the two transmission wheels are respectively fixedly mounted on the two rotating rods, and the transmission belt is connected between the two transmission wheels.

[0012] Furthermore, the positioning assembly includes a positioning air cushion, a connecting pipe, a vacuum pump and a connecting pipe. The positioning air cushion is provided in plurality. The positioning air cushion is fixedly mounted on the positioning plate. The connecting pipe is connected to the plurality of positioning air cushions. The vacuum pump is fixedly mounted on the positioning plate. The connecting pipe is connected to the vacuum pump, and the connecting pipe is connected to the connecting pipe.

[0013] Wherein, an anti-slip pad is fixedly connected to the transverse plate.

[0014] (III) Beneficial effects

[0015] In summary, the present invention includes at least one of the following beneficial technical effects:

[0016] The manhole ladder for municipal public works construction drives a horizontal plate to slide up and down between two upright posts through an adjusting component, thereby adjusting the position of the horizontal plate to adapt to people of different body shapes and different paces. The position of the positioning plate is limited by a positioning component, and the position of the upright posts is fixed by a connecting rod. Therefore, the manhole ladder for municipal public works construction is adaptable to people of different body shapes and different paces, has strong flexibility, and the upright posts are not prone to shaking. Workers are not easily injured due to shaking of the upright posts when climbing, and have strong safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall structure of the utility model from another angle;

[0019] Figure 3 It is a partial cross-sectional structural diagram of the threaded cylinder, the support frame and the rotating rod of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the cooperation among the rotating rod, the transmission wheel and the transmission belt of the utility model.

[0021] In the figure: 1. column; 2. cross plate; 3. connecting rod; 4. positioning plate; 5. fixing plate; 6. rotating screw; 7. threaded cylinder; 8. support frame; 9. rotating rod; 10. driving gear; 11. passive gear; 12. rotating knob; 13. protective box; 14. transmission wheel; 15. transmission belt; 16. positioning air cushion; 17. connecting pipe; 18. vacuum pump; 19. connecting pipe; 20. anti-slip pad. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part 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 ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0024] Example 1

[0025] Reference Figures 1 to 4A manhole ladder for municipal public engineering construction includes a column 1, a cross plate 2, an adjustment component, a connecting rod 3, a positioning plate 4 and a positioning component. Two columns 1 are provided, and a plurality of cross plates 2 are provided. The plurality of cross plates 2 are slidably connected between the two columns 1. The cross plates 2 are fixedly connected with anti-skid pads 20 to prevent workers from slipping when stepping on the cross plates 2. The adjustment component is provided between the column 1 and the cross plate 2 to adjust the position of the cross plate 2. The adjustment component includes a fixed plate 5, a rotating screw 6, a threaded cylinder 7 and a driving component. Two fixed plates 5 are provided, and the fixed plates 5 are fixedly connected to the column 1. The rotating screw 6 is provided. The screw rod 6 is rotatably connected between the two fixed plates 5, the threaded barrel 7 is threadedly sleeved on the rotating screw rod 6, and the threaded barrel 7 is rotatably sleeved on the horizontal plate 2, the driving assembly is arranged on the threaded barrel 7, and is used to drive the threaded barrel 7 to rotate, and the driving assembly includes a support frame 8, a rotating rod 9, a driving gear 10, a passive gear 11, a rotating knob 12 and a linkage assembly, the support frame 8 is fixedly connected to the horizontal plate 2, the rotating rod 9 is rotatably connected to the support frame 8, the driving gear 10 is fixedly sleeved on the rotating rod 9, the passive gear 11 is fixedly sleeved on the threaded barrel 7, and the driving gear 10 is meshed with the passive gear 11, and the rotating knob 12 It is fixedly connected to the rotating rod 9, and the rotating knob 12 passes through the support frame 8 and extends to the outside. The linkage assembly is arranged on the horizontal plate 2, and is used to simultaneously drive the two rotating rods 9 located on one horizontal plate 2 to rotate. The linkage assembly includes a protection box 13, a transmission wheel 14 and a transmission belt 15. The protection box 13 is fixedly connected to the horizontal plate 2, and the rotating rod 9 passes through the protection box 13 and is rotatably connected to the inner bottom wall of the protection box 13. Two transmission wheels 14 are provided, and the two transmission wheels 14 are respectively fixedly sleeved on the two rotating rods 9. The transmission belt 15 is connected between the two transmission wheels 14 for transmission. By rotating any one of the rotating knobs 12, The rotating knob 12 drives the rotating rod 9 located on one side to rotate, and the rotating rod 9 drives the transmission wheel 14 located on one side to transmit, thereby driving the transmission belt 15 to transmit, and then drives the transmission wheel 14 on the other side and the rotating rod 9 to rotate, the rotation of the rotating rod 9 drives the active gear 10 to rotate, the active gear 10 drives the passive gear 11 to rotate, and the rotation of the passive gear 11 drives the threaded tube 7 to rotate, and the cooperation of the rotating screw 6 drives the cross plate 2 to slide up and down, so as to facilitate the adjustment of the position of the cross plate 2, so as to adapt to the climbing of workers of different heights and different paces.

[0026] Reference Figure 1 and Figure 2, there are two connecting rods 3, the two connecting rods 3 are fixedly connected to the two columns 1 respectively, the positioning plate 4 is fixedly connected to the two connecting rods 3, the positioning assembly is arranged on the positioning plate 4, and is used to limit the position of the positioning plate 4, the positioning assembly includes a positioning air cushion 16, a connecting pipe 17, a vacuum pump 18 and a connecting pipe 19, a plurality of positioning air cushions 16 are arranged, the positioning air cushion 16 is fixedly installed on the positioning plate 4, the connecting pipe 17 is connected to the plurality of positioning air cushions 16, the vacuum pump 18 is fixedly installed on the positioning plate 4, and the connecting pipe 19 is connected On the vacuum pump 18, and the connecting pipe 19 is connected to the connecting pipe 17, the column 1 and the cross plate 2 are placed in the manhole, and the positioning plate 4 is placed on the ground around the manhole mouth, so that the positioning air cushion 16 is tightly attached to the ground, and the vacuum pump 18 is turned on. The vacuum pump 18 draws a vacuum into the positioning air cushion 16 through the connecting pipe 19 and the connecting pipe 17, so that the positioning air cushion 16 is tightly adsorbed on the ground, thereby fixing the position of the positioning plate 4, facilitating the fixation of the position of the column 1, and preventing shaking, thereby ensuring the safety of the staff when climbing.

[0027] Example 2

[0028] In summary, the working principle and working process of the manhole ladder for municipal public engineering construction are as follows: before use, first rotate any one of the rotating knobs 12, and the rotating knob 12 drives the rotating rod 9 located on one side to rotate, and the rotating rod 9 drives the transmission wheel 14 located on one side to transmit, thereby driving the transmission belt 15 to transmit, and then drives the transmission wheel 14 and the rotating rod 9 on the other side to rotate, and the rotation of the rotating rod 9 drives the active gear 10 to rotate, and the active gear 10 drives the passive gear 11 to rotate, and the passive gear The rotation of wheel 11 drives the threaded tube 7 to rotate, and the horizontal plate 2 is driven to slide up and down by rotating the screw rod 6, so that the horizontal plate 2 can be adjusted to a suitable position. When in use, the column 1 and the horizontal plate 2 are placed in the manhole, and the positioning plate 4 is placed on the ground around the manhole opening, so that the positioning air cushion 16 is tightly attached to the ground, and the vacuum pump 18 is turned on. The vacuum pump 18 draws a vacuum into the positioning air cushion 16 through the connecting pipe 19 and the connecting pipe 17, so that the positioning air cushion 16 is tightly adsorbed on the ground, and the manhole can be climbed through the horizontal plate 2.

[0029] The above-mentioned embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A manhole ladder for municipal public works construction, comprising a column (1), wherein two columns (1) are provided, and characterized in that: Also includes: A transverse plate (2), wherein a plurality of transverse plates (2) are provided, and each of the plurality of transverse plates (2) is slidably connected between the two upright posts (1); An adjustment component, the adjustment component is arranged between the upright post (1) and the horizontal plate (2) and is used to adjust the position of the horizontal plate (2); A connecting rod (3), wherein two connecting rods (3) are provided, and the two connecting rods (3) are respectively fixedly connected to the two upright posts (1); A positioning plate (4), wherein the positioning plate (4) is fixedly connected to the two connecting rods (3); A positioning component, wherein the positioning component is arranged on the positioning plate (4) and is used to limit the position of the positioning plate (4).

2. A manhole ladder for municipal public works construction according to claim 1, characterized in that: The adjustment component comprises: A fixing plate (5), two fixing plates (5) are provided, and the fixing plates (5) are fixedly connected to the column (1); A rotating screw rod (6), wherein the rotating screw rod (6) is rotatably connected between the two fixed plates (5); A threaded barrel (7), wherein the threaded barrel (7) is threadably sleeved on the rotating screw (6), and the threaded barrel (7) is rotatably sleeved on the horizontal plate (2); A driving component is arranged on the threaded barrel (7) and is used to drive the threaded barrel (7) to rotate.

3. A manhole ladder for municipal public works construction according to claim 2, characterized in that: The driving assembly comprises: A support frame (8), wherein the support frame (8) is fixedly connected to the transverse plate (2); A rotating rod (9), wherein the rotating rod (9) is rotatably connected to the supporting frame (8); A driving gear (10), wherein the driving gear (10) is fixedly sleeved on the rotating rod (9); A passive gear (11), wherein the passive gear (11) is fixedly sleeved on the threaded barrel (7), and the active gear (10) is meshed with the passive gear (11); A rotating knob (12), wherein the rotating knob (12) is fixedly connected to the rotating rod (9), and the rotating knob (12) passes through the supporting frame (8) and extends to the outside; A linkage assembly is arranged on the transverse plate (2) and is used to simultaneously drive two rotating rods (9) located on one transverse plate (2) to rotate.

4. A manhole ladder for municipal public works construction according to claim 3, characterized in that: The linkage components include: A protection box (13), the protection box (13) is fixedly connected to the transverse plate (2), and the rotating rod (9) passes through the protection box (13) and is rotatably connected to the inner bottom wall of the protection box (13); A transmission wheel (14), wherein two transmission wheels (14) are provided, and the two transmission wheels (14) are respectively fixedly sleeved on the two rotating rods (9); A transmission belt (15) is connected between the two transmission wheels (14).

5. A manhole ladder for municipal public works construction according to claim 1, characterized in that: The positioning component comprises: A positioning air cushion (16), wherein a plurality of the positioning air cushions (16) are provided and the positioning air cushions (16) are fixedly mounted on the positioning plate (4); A connecting pipe (17), wherein the connecting pipe (17) is connected to the plurality of positioning air cushions (16); A vacuum pump (18), wherein the vacuum pump (18) is fixedly mounted on the positioning plate (4); A connecting pipe (19), the connecting pipe (19) is connected to the vacuum pump (18), and the connecting pipe (19) is connected to the connecting pipe (17).

6. A manhole ladder for municipal public works construction according to claim 1, characterized in that: An anti-slip pad (20) is fixedly connected to the transverse plate (2).

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