Crawling ladder for pit detection

Abstract

The utility model relates to the technical field of deep pit crawling ladders, and provides a crawling ladder for deep pit detection, which comprises ladder beams and pedals, a plurality of pedals are arranged between the ladder beams along the length direction of the ladder beams, a plurality of cross beams are arranged on the ladder beams on two sides of the pedals along the length direction of the ladder beams, buckles are arranged on the cross beams, and ventilation components are connected in the buckles; the ventilation assembly comprises bottom cylinders, the bottom cylinders are arranged on the two sides of the bottom of the crawling ladder through limiting frames, the limiting frames are arranged at the bottom ends of the ladder beams, and an upper platform is arranged at the top ends of the ladder beams. The detection assembly is arranged at the bottom of the crawling ladder; ladder beams of the crawling ladder are of a multi-section structure, and every two adjacent sections of ladder beams are connected into a whole through a connecting assembly. According to the utility model, gas detection and oxygen supply can be carried out on deep pits such as an underground cable well by placing the ladder once, the deep pit detection efficiency is improved, the device can be suitable for deep pits with different depths, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to deep pit ladder stand technical field, concretely relates to a deep pit detection ladder stand. BACKGROUND

[0002] The underground deep pit, including cable well, cable tunnel and so on pit hole, because poor illumination, relatively narrow, and poor ventilation, easy to accumulate toxic and harmful gas and flammable and explosive gas and so on, and oxygen concentration content can be also lower, after the staff enters the deep pit, low oxygen and toxic gas environment is not conducive to the long time stay of personnel, and the situation can be serious when endangering life.

[0003] Before entering the underground deep pit, the staff often uses the ventilation equipment to remove the turbidity, then uses the four-in-one gas detector to check whether the oxygen content in the well or tunnel is qualified, whether the content of methane (flammable and explosive) and hydrogen sulfide, carbon monoxide (toxic gas) is overproof, when detecting that various gas concentration contents are in the normal range, then take the light, use the folding ladder to enter the deep pit operation, the operation process is time-consuming and laborious to the staff, is not conducive to improving the work efficiency of the staff, and for the deep pit of too deep depth, because the total length of the folding ladder is fixed length, using the folding ladder can not satisfy the use demand of the deep pit of too deep depth, and the practicality is poor.

[0004] Therefore, aiming at the above problems, a deep pit detection ladder stand is provided to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at the prior art's insufficient, develops a kind of deep pit detection ladder stand, the utility model can carry out gas detection and oxygen supply to the underground cable well and other deep pit by once placing ladder, improve the efficiency of deep pit construction, and can be applicable to deep pit of different depth, improve practical range.

[0006] The utility model discloses a kind of deep pit detection ladder stands to achieve the above-mentioned purposes by the following technical solutions:

[0007] A kind of deep pit detection ladder stand, including ladder beam and step, step is set up multiple between ladder beam along the length direction of ladder beam, ladder beam is set up several beams along the length direction of ladder beam on the two sides of step, buckle is set up on beam, ventilation component is connected in buckle;Ventilation component includes bottom cylinder, bottom cylinder is set in the bottom of ladder stand by limiting support, limiting support is set in the bottom end of ladder beam, the top end of ladder beam is set up upper platform;It also includes detection component, detection component is set in the bottom of ladder stand;The ladder beam of ladder stand is set to multi-section structure, and every section of adjacent ladder beam is connected as a whole by connecting component.

[0008] As preferred, concave-convex lines are obliquely arranged above the step, for increasing friction, the edge of the step and the ladder beam can be connected by welding, with good stability.

[0009] Preferably, the bottom cylinder is a hollow long cylinder, and the bottom of the bottom cylinder is closed, and a plurality of air holes are formed in the side walls of the middle and upper parts of the bottom cylinder.

[0010] Preferably, the ventilation assembly further comprises a ventilation hose, one end of the ventilation hose is connected to the inside of the bottom cylinder, the other end of the ventilation hose is connected to the fan, the middle part of the ventilation hose is clamped and limited by a buckle, and the length of the ventilation hose can be adjusted according to the overall length of the ladder.

[0011] Preferably, the upper platform comprises an upper platform and a side platform frame, the upper platform is arranged at the top end of the ladder beam, and the side platform frame is arranged at both sides of the upper platform and is integrally connected with the top end of the ladder beam.

[0012] Preferably, the detection assembly comprises a toxic and harmful gas detector, an oxygen concentration detector, and a gas monitoring data display screen, the toxic and harmful gas detector and the oxygen concentration detector are arranged on the ladder beam at the bottom of the ladder or outside the bottom cylinder, the gas monitoring data display screen is arranged on the side platform frame, and the toxic and harmful gas detector and the oxygen concentration detector are connected to the gas monitoring data display screen, and the detection data of the toxic and harmful gas detector and the oxygen concentration detector are displayed on the gas monitoring data display screen.

[0013] Preferably, the alarm button is arranged at the bottom of the ladder beam, the front side of the ladder beam is provided with a handrail, and the bottom end of the ladder beam is provided with an anti-skid base.

[0014] Preferably, the multi-section structure of the ladder beam comprises a bottom section for arranging the bottom cylinder, a top section with the upper platform, and a plurality of standard sections for adjusting the overall length of the ladder.

[0015] Preferably, the connecting assembly comprises a plug, a slot, a connecting pin, a support sleeve, and a retaining ring, one end of the ladder beam on both sides of the connecting assembly is provided with the plug, the other end is provided with the slot, the plug can be inserted into the slot tightly, a through hole is formed in the bottom of the slot, the axis of the through hole is perpendicular to the length direction of the slot, a connecting hole is formed in the plug corresponding to the through hole, the connecting pin is inserted into the through hole and the connecting hole to connect the ladder beams of different sections, the support sleeve is arranged outside the slot, and the inner wall of the support sleeve tightly abuts against the outer wall of the ladder beam, and the retaining ring is arranged on the outer wall of the bottom end of the slot in a ring shape, and the retaining ring is used to prevent the support sleeve from falling off.

[0016] The effects provided in the content of the utility model are only the effects of the embodiments, not all the effects of the utility model, and the above technical solutions have the following advantages:

[0017] The utility model discloses a detection component is set up, including toxic and harmful gas detector and oxygen concentration detector, can timely detect the gas composition in the deep pit to real -time display the data of detection on the gas monitoring data display screen, improved the practicality of device, set up ventilation component, when the toxic and harmful gas content in the deep pit is higher, can lead out the toxic and harmful gas, when the oxygen concentration in the deep pit is lower, can supply oxygen or air to the deep pit to supplement oxygen concentration, the long -term stay of staff is convenient, and the safety of construction has been improved, set up multistage ladder beam, and the ladder beam is connected through the connecting component between the ladder beam, can adapt to the deep pit of different depth, improved practicality and construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the present utility model, and constitute a part of the specification, and are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute the limitation to the present utility model.

[0019] Figure 1 It is whole structure schematic of the embodiment of the utility model Figure 1 ;

[0020] Figure 2 It is whole structure schematic of the embodiment of the utility model Figure 2 ;

[0021] Figure 3 It is the bottom partial structure schematic of the embodiment of the utility model's ladder stand

[0022] Figure 4 It is the top partial structure schematic of the embodiment of the utility model's ladder stand

[0023] Figure 5 It is the use state cross section structure schematic of the embodiment of the utility model's connecting component.

[0024] In the drawing, 1, ladder beam, 2, pedal, 3, crossbeam, 4, buckle, 5, bottom cylinder, 6, limit frame, 7, upper platform, 8, concave-convex lines, 9, air hole, 10, ventilation hose, 11, toxic and harmful gas detector, 12, oxygen concentration detector, 13, gas monitoring data display screen, 14, alarm button, 15, handrail, 16, antiskid base, 17, bottom section, 18, top section, 19, standard section, 20, plug block, 21, slot, 22, connecting pin, 23, support sleeve, 24, baffle ring, 71, upper plate, 72, side platform frame. DETAILED DESCRIPTION

[0025] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments only are a part of embodiments of the utility model, and not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0026] As shown in the utility model provides a technical scheme: Figures 1-5

[0027] A kind of ladder for deep pit detection, including ladder beam 1 and step 2, ladder beam 1 is set to four, better stability, step 2 is set multiple between ladder beam 1 along the length direction of ladder beam 1, several beams 3 are set on the ladder beam 1 of the two sides of step 2 along the length direction of ladder beam 1, beam 3 can connect the two ladder beams 1 of the same side of step 2, buckle 4 is set on beam 3, buckle 4 uses the elastic plastic buckle with one side opening that can be bought on market, buckle 4 is used to connect ventilation assembly;Ventilation assembly includes bottom cylinder 5, bottom cylinder 5 is set on the bottom of ladder by limiting frame 6, limiting frame 6 is set on the bottom end of ladder beam 1, the top end of ladder beam 1 sets upper platform 7;Further include detection assembly, detection assembly is set in the bottom of ladder;The ladder beam 1 of ladder is set to multi-section structure, and the ladder beam 1 section of adjacent upper and lower is connected as a whole by connecting assembly.

[0028] In an alternative embodiment, concave-convex lines 8 are obliquely arranged above the step 2, for increasing the friction when the staff steps on the step 2, and the edges of the step 2 and the ladder beams 1 can be connected by welding, which is good in stability.

[0029] In an alternative embodiment, the bottom cylinder 5 is set as a hollow long cylinder, and the bottom of the bottom cylinder 5 is in a closed state, a plurality of air holes 9 are formed through the sidewall of the middle and upper parts of the bottom cylinder 5, and the distance between the bottommost air hole 9 and the bottom of the bottom cylinder 5 is not less than 30 cm, so as to avoid raising dust at the bottom of the deep pit when the ventilation assembly is used, which is not conducive to the long-time stay of the staff and affects the visibility, and the practicability of the device is improved.

[0030] In an alternative embodiment, the ventilation assembly further includes a ventilation hose 10, one end of the ventilation hose 10 is communicated with the inside of the bottom cylinder 5, and the other end of the ventilation hose 10 is communicated with a fan, which can be a common blowing and sucking fan on the market, the middle part of the ventilation hose 10 is positioned by being clamped with the ladder beam 1 through the buckle 4, and the length of the ventilation hose 10 can be adjusted according to the overall length of the ladder, preferably, the ventilation hose 10 is selected as a telescopic hose, which is convenient to adjust and good in economy.

[0031] ​In an optional embodiment, the upper platform 7 comprises an upper platform plate 71 and side platform frames 72, the upper platform plate 71 is arranged at the top end of the ladder beam 1, the platform plate 71 has a large platform surface to facilitate stable standing of the workers, the side platform frames 72 are arranged at both sides of the upper platform plate 71, and the side platform frames 72 are integrally connected with the top end of the ladder beam 1, which is more stable, the upper platform 7 can be in contact with the ground outside the top of the deep pit to avoid the climbing ladder from falling or sliding into the deep pit, thereby improving the safety of construction.

[0032] In an optional embodiment, the detection assembly comprises a toxic and harmful gas detector 11, an oxygen concentration detector 12, and a gas monitoring data display screen 13, which can be selected from common devices on the market, the toxic and harmful gas detector 11 and the oxygen concentration detector 12 are arranged on the ladder beam 1 at the bottom of the climbing ladder or outside the bottom cylinder 5, the gas monitoring data display screen 13 is arranged on the side platform frame 72, and the toxic and harmful gas detector 11 and the oxygen concentration detector 12 are connected to the gas monitoring data display screen 13, preferably wirelessly connected to avoid the influence of the wire harness on the use of the climbing ladder, and the gas monitoring data display screen 13 is used to display the real-time detection data of the toxic and harmful gas detector 11 and the oxygen concentration detector 12.

[0033] In an optional embodiment, an alarm button 14 is further arranged at the bottom of the ladder beam 1, the alarm button 14 is selected from common buzzer alarm devices on the market, which is economical, a handrail 15 is arranged at the front side of the ladder beam 1, and an anti-skid base 16 is arranged at the bottom end of the ladder beam 1, thereby further improving the safety of use.

[0034] In an optional embodiment, the multi-section structure of the ladder beam 1 comprises a bottom section 17 for arranging the bottom cylinder 5, a top section 18 with the upper platform 7, and a plurality of standard sections 19 arranged in the middle for adjusting the overall length of the climbing ladder, different sections with appropriate lengths are connected according to the specific needs of the deep pit, only the bottom section 17 and the top section 18 are connected when the deep pit is not deep, and a plurality of standard sections 19 are additionally connected when the deep pit is deep, thereby improving the practicality of the device.

[0035] In an optional embodiment, the connecting assembly comprises the plug 20, the slot 21, the connecting pin 22, the supporting sleeve 23 and the retaining ring 24, the ladder beams 1 on the two sides of the connecting assembly are provided with the plug 20 at one end of the upper ladder beam 1, the slot 21 is formed at one end of the lower ladder beam 1, the plug 20 can be inserted into the slot 21 tightly, a through hole is formed at the bottom of the slot 21, the axis of the through hole is perpendicular to the length direction of the slot 21, a connecting hole is formed at the plug 20 corresponding to the through hole, the connecting pin 22 is inserted into the through hole and the connecting hole to connect the ladder beams 1 of different sections, the supporting sleeve 23 is sleeved outside the slot 21, the inner wall of the supporting sleeve 23 tightly abuts against the outer wall of the ladder beam 1, the retaining ring 24 is arranged on the outer wall of the bottom end of the slot 21 in a ring shape, and the retaining ring 24 is used for preventing the supporting sleeve 23 from sliding down due to gravity, in use, the supporting sleeve 23 is sleeved outside the ladder beam 1 on the upper side of the plug 20, then the plug 20 and the slot 21 are connected and inserted, the axes of the through hole and the connecting hole are coincided, the connecting pin 22 is inserted into the through hole and the connecting hole, the connecting pin 22 can completely enter the through hole and the connecting hole and connect the through hole and the connecting hole, the position of the connecting pin 22 is limited in the through hole and the connecting hole only by making the supporting sleeve 23 fall down due to gravity and being limited by the retaining ring 24, the position of the connecting pin 22 is limited in the through hole and the connecting hole, the connecting assembly can be quickly installed and disassembled, the complicated steps of using bolts, nuts and other connecting pieces are avoided, meanwhile, the supporting sleeve 23 can strengthen the support on the outer side of the connecting position of the plug 20 and the slot 21, and the efficiency, safety and stability of the device in use are improved.

[0036] Working principle: first, according to the approximate depth of the pit, the climbing ladder is assembled, the bottom section 17 and the top section 18 are connected through the corresponding joint standard section 19 and the connecting assembly, specifically, the supporting sleeve 23 is sleeved above the outer side of the plug 20, then the plug 20 is inserted into the slot 21, the axes of the through hole and the connecting hole are coincided, the connecting pin 22 is inserted into the through hole and the connecting hole, the supporting sleeve 23 is loosened, the supporting sleeve 23 falls down due to gravity and is limited by the retaining ring 24, the supporting sleeve 23 can completely cover the outer side of the connecting position of the plug 20 and the slot 21, and is used for strengthening the support; then the climbing ladder is placed in the pit, the gas state in the pit is detected through the detection assembly, when the content of the toxic and harmful gas in the pit is high, the toxic and harmful gas is led out through the ventilation assembly, when the oxygen concentration in the pit is low, oxygen or air is supplied into the pit through the ventilation assembly to supplement the oxygen concentration; then when the detection data reaches the normal value, the worker can enter the pit through the climbing ladder, and the efficiency is improved.

[0037] The non-exhaustive parts of the utility model are the conventional technical means known by the person skilled in the art.

[0038] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and so on the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation configuration and operation, therefore can not be understood as the restriction of the utility model.

[0039] In addition, the term "first", "second" is only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, therefore, the features with "first", "second" can explicitly or implicitly include one or more features, in the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specifically limited.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

[0041] Finally, it should be noted that: the above only for the preferred embodiment of the utility model has been described, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirits and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A ladder for detecting deep pits, comprising ladder beams (1) and steps (2), a plurality of steps (2) being arranged along the length direction of the ladder beams (1) between the ladder beams (1), characterized in that a plurality of cross beams (3) are arranged along the length direction of the ladder beams (1) on the ladder beams (1) on both sides of the steps (2), buckles (4) are arranged on the cross beams (3), and ventilation assemblies are connected in the buckles (4); the ventilation assemblies comprise bottom cylinders (5) arranged at the bottom of the ladder on both sides through limiting racks (6), the limiting racks (6) are arranged at the bottom ends of the ladder beams (1), and upper platforms (7) are arranged at the top ends of the ladder beams (1); further comprising a detection assembly arranged at the bottom of the ladder; the ladder beams (1) of the ladder are arranged in a multi-section structure, and each adjacent ladder beam (1) is connected as a whole through a connecting assembly. concave-convex patterns (8) are arranged obliquely above the steps (2).

2. The crawl ladder for pit detection according to claim 1, characterized in that: the bottom cylinder (5) is arranged in a hollow long cylinder shape, the bottom of the bottom cylinder (5) is in a closed state, and a plurality of air holes (9) are arranged through the sidewalls of the middle and upper parts of the bottom cylinder (5).

3. A crawl ladder for use in pit detection according to claim 2, characterised in that: the ventilation assembly further comprises a ventilation hose (10), one end of the ventilation hose (10) is connected to the inside of the bottom cylinder (5), the other end of the ventilation hose (10) is connected to a fan, the middle part of the ventilation hose (10) is clamped and limited through the buckles (4), and the length of the ventilation hose (10) can be adjusted according to the overall length of the ladder.

4. A crawl ladder for use in pit detection according to claim 3, characterised in that: the upper platform (7) comprises an upper platform plate (71) and a side platform rack (72), the upper platform plate (71) is arranged at the top end of the ladder beam (1), the side platform rack (72) is arranged at both sides of the upper platform plate (71), and the side platform rack (72) is integrally connected with the top end of the ladder beam (1).

5. A crawl ladder for use in pit detection according to claim 4, characterised in that: the detection assembly comprises a toxic and harmful gas detector (11), an oxygen concentration detector (12), and a gas monitoring data display screen (13), the toxic and harmful gas detector (11) and the oxygen concentration detector (12) are arranged on the ladder beam (1) at the bottom of the ladder or outside the bottom cylinder (5), the gas monitoring data display screen (13) is arranged on the side platform rack (72), the toxic and harmful gas detector (11) and the oxygen concentration detector (12) are connected with the gas monitoring data display screen (13), and the detection data of the toxic and harmful gas detector (11) and the oxygen concentration detector (12) are displayed on the gas monitoring data display screen (13).

6. A crawl ladder for use in pit detection according to claim 5, characterised in that: further comprising an alarm button (14) arranged at the bottom of the ladder beam (1), a handrail (15) arranged at the front side of the ladder beam (1), and an anti-skid base (16) arranged at the bottom end of the ladder beam (1).

7. A crawl ladder for use in pit detection according to claim 6, characterised in that: the multi-section structure of the ladder beam (1) comprises a bottom section (17) for arranging the bottom cylinder (5), a top section (18) with the upper platform (7), and a plurality of standard sections (19) for adjusting the overall length of the ladder.

8. A crawl ladder for use in pit detection according to claim 7, characterised in that: ​ 9. A crawl ladder for use in pit detection according to claim 8, characterised in that: The connecting assembly comprises an insertion block (20), an insertion slot (21), a connecting pin (22), a supporting sleeve (23) and a retaining ring (24), one end of the ladder beam (1) on both sides of the connecting assembly is provided with the insertion block (20), the other end is provided with the insertion slot (21), the insertion block (20) can be inserted into the insertion slot (21) closely, a through hole is vertically provided at the bottom of the insertion slot (21), the axis of the through hole is perpendicular to the length direction of the insertion slot (21), a connecting hole is vertically provided on the insertion block (20) corresponding to the through hole, the connecting pin (22) is inserted into the through hole and the connecting hole for connecting different sections of the ladder beam (1), the supporting sleeve (23) is sleeved outside the insertion slot (21), the inner wall of the supporting sleeve (23) is closely attached to the outer wall of the ladder beam (1), the retaining ring (24) is annularly arranged on the outer wall of the bottom end of the insertion slot (21), and the retaining ring (24) is used for preventing the supporting sleeve (23) from falling off.

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