CN216197773U - Novel fire ladder - Google Patents

Abstract

The utility model discloses a novel fire ladder, and relates to the technical field of fire ladders. The auxiliary ladder comprises a main ladder body and an auxiliary ladder body, wherein the main ladder body comprises a main frame and a cross brace, the auxiliary ladder body comprises an auxiliary main frame and an auxiliary cross brace, a rail groove, a limiting plate, a buffer spring and a buffer plate are arranged on the main ladder body, and a sliding block and an auxiliary wheel are arranged on the auxiliary ladder body. According to the utility model, the limiting plate is in sliding fit with the auxiliary ladder, so that the connection part of each section of ladder is more stable during rescue; the traction rope sequentially passes through the auxiliary pulley, the upper pulley and the lower pulley to be fixedly connected with the winding shaft, so that the length of the fire ladder can be flexibly adjusted according to actual conditions; the auxiliary wheels are arranged on the two opposite surfaces of the sliding block, so that the auxiliary ladder can reach a proper height quickly, and the fire ladder is prevented from being blocked when being unfolded and retracted; still be provided with the buffer board through being provided with buffer spring one end, the supplementary ladder of being convenient for dissipate upward movement inertia produced power avoids supplementary ladder to collide with the main ladder and causes the damage.

Description

Novel fire ladder

Technical Field

The utility model relates to the technical field of fire ladders, in particular to a novel fire ladder.

Background

At present, during the fire rescue, the fire fighter utilizes the fire ladder to draw and rises high arrival by stranded person's position, current fire ladder generally is the fixed length, can't adjust the length of fire ladder according to actual conditions is nimble, it is fixed to adopt interior spout mechanism between the segmentation fire ladder of standing vertically, need manually make each section of fire ladder target in place during the use, spout mechanism easily blocks when reseing, and the inertia that produces when each section targets in place makes the fire ladder receive the injury easily, reduce its life, when the rescue, the fire ladder does not have fixing device to fix it, after the rescue, after each section of fire ladder resets, rock easily between each section, the transport is inconvenient.

For example, the Chinese patent with the publication number of CN111219141A discloses a novel fire ladder, which comprises a main support of the fire ladder, a kicking support and a brace rod, the main bracket of the fire ladder consists of a first section of limiting fixing main frame, a second section of climbing transition frame and a third section of ascending lap joint side frame, the first section of limiting and fixing main frame is connected with the support rod through an adjusting and rotating mechanism, the adjusting and rotating mechanism is used for connecting and supporting the first section of limiting and fixing main frame in a large range, the adjusting and rotating mechanism comprises a fixed part, a U-shaped connecting part and a rotating supporting part, a rotating wheel is arranged on a first section of kicking bracket of the first section of the limiting and fixing main frame, the rotating wheel side end is used for fixing the pull rope ring and the pull rope of the first section of limiting fixing main frame, the pull rope ring is fixed through the fastening pressing piece, and the technical scheme is good in firmness, convenient to use, light in weight and good in safety.

The steadiness of stay cord among the above-mentioned technical scheme is good, can not drop, nevertheless adopts the structure of syllogic among the above-mentioned technical scheme, in the use of reality, produces easily and rocks, and overall structure's steadiness is not good.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel fire ladder, which solves the problems that the length of the existing fire ladder can not be flexibly adjusted according to actual conditions, each section of the fire ladder needs to be manually positioned in place when the existing fire ladder is used, a chute mechanism is easy to block during resetting, inertia generated when each section is positioned in place easily damages the fire ladder, a fixing device is not used for fixing the fire ladder, and each section of the fire ladder is easy to shake after each section is reset.

The scheme for solving the technical problems is as follows: a novel fire-fighting ladder comprises a main ladder and auxiliary ladders, wherein the main ladder comprises two main frames and a plurality of cross braces, two ends of the plurality of cross braces are respectively and fixedly connected to the two main frames, a slide rail mechanism is arranged on one surface of each main frame, a limiting plate is fixedly mounted on one side end of each main frame close to the slide rail mechanism, a bearing seat is arranged at one end of each main frame far away from the slide rail member, a rope winding mechanism is mounted on each bearing seat, pulley assemblies are arranged on the cross braces circumferentially corresponding to the rope winding mechanisms, a supporting mechanism is arranged on the other surface of each main frame, the auxiliary ladder is slidably arranged on the slide rail mechanism and comprises two auxiliary main frames and a plurality of auxiliary cross braces, two ends of the auxiliary cross braces are respectively and fixedly connected to the two main frames, wheels are arranged at one end of the auxiliary main frames, and a plurality of fixing seats are arranged on the side faces of the auxiliary cross braces close to the wheels, keep away from the supplementary stull week side of wheel is provided with a plurality of assistance pulleys, the fixed haulage rope that sets up on the fixing base, the haulage rope passes in proper order assist the pulley assembly with receipts rope mechanism fixed connection.

The utility model has the beneficial effects that: this use novel fire ladder has following advantage:

1. the fire ladder is matched with the auxiliary ladder through the shape and the size of the limiting plate, so that the connection part of each section of ladder is more stable during rescue, and the shaking between the sections of ladder during storage can be avoided;

2. pass the supplementary pulley in proper order through the haulage rope, upper sheave and lower pulley and rolling axle fixed connection, be convenient for adjust the length of fire ladder in a flexible way according to actual conditions, set up the auxiliary wheel through the relative two surfaces of slider, be convenient for make supplementary ladder reach suitable height fast, produce the card when avoiding the fire ladder to expand with the shrink and pause, still through being provided with the buffer board in buffering spring one end, the power that the dissipation is convenient for supplementary ladder upward movement inertia produces, avoid supplementary ladder to collide with main ladder and cause the damage.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, slide rail mechanism includes the track groove, the track groove is seted up the body frame on the surface, a terminal surface is provided with the buffering spring in the track groove, buffering spring one end is provided with the buffer board, still be provided with the slider in the track groove, the slider is kept away from the buffer board sets up, the relative two surfaces of slider are provided with the auxiliary wheel.

The beneficial effect of adopting the further scheme is that: the purpose of the sliding rail mechanism is to enable the auxiliary ladder to slide on the main ladder, a buffer plate is arranged at one end of a buffer spring, so that the force generated by the upward movement inertia of the auxiliary ladder can be dissipated conveniently, and the damage caused by the collision of the auxiliary ladder and the main ladder is avoided.

Further, the limiting plate and the bearing seat are arranged in the opposite direction.

The beneficial effect of adopting the further scheme is that: the limiting plate is matched with the auxiliary device, the bearing seat is used for installing the rope winding mechanism, and the situation that the auxiliary ladder cannot be installed on the main ladder in a good condition is avoided.

Furthermore, the rope winding mechanism comprises a rope winding machine, the rope winding machine is arranged on the upper surface of the bearing seat, winding shafts are arranged on two opposite surfaces of the rope winding machine, and the traction rope is fixedly connected with the winding shafts.

The beneficial effect of adopting the further scheme is that: and winding shafts are arranged on two surfaces of the rope winding machine, the traction rope is fixedly connected with the winding shafts, and the auxiliary ladder can slide up and down under the driving of the rope winding machine.

Further, the pulley assembly comprises a plurality of upper pulleys and a plurality of lower pulleys, the lateral surfaces of the cross braces close to the limiting plate are provided with a plurality of the upper pulleys, the lateral surfaces of the cross braces far away from the limiting plate are provided with a plurality of the lower pulleys, and the traction rope penetrates through the upper pulleys and the lower pulleys.

The beneficial effect of adopting the further scheme is that: the purpose of upper pulley and lower pulley is in order to guide the haulage rope, makes the smooth slip of haulage rope ability to prevent that the haulage rope from being caught by the hook, the slip on the main ladder on the supplementary ladder of influence.

Further, the limiting plate is of an L-shaped plate body structure, and the shape and the size of the limiting plate are matched with those of the auxiliary ladder.

The beneficial effect of adopting the further scheme is that: the shape and the size of limiting plate all suit with supplementary ladder, make each section ladder junction more firm when being convenient for rescue, and can avoid producing when accomodating this fire ladder and rock.

Further, the supporting mechanism comprises a supporting seat, the supporting seat is arranged on the surface of the main frame, a supporting rod is arranged on the supporting seat in a rotating mode, and a fixing cone is arranged at one end of the supporting rod.

The beneficial effect of adopting the further scheme is that: when the fire ladder of this application was placed in the rescue, the bracing piece rotated, and the fixed awl of bracing piece one end was pricked into the soil, made placing of main ladder more firm.

Further, the bracing piece includes stay tube and support column, the side is opened to the stay tube week has a plurality of spacing holes, the side is provided with the recess that spacing hole corresponds all around of support column, be provided with the spring in the recess, spring one end is provided with spacing post, the shape and the size of spacing post all with spacing hole clamps the cooperation.

The beneficial effect of adopting the further scheme is that: the bracing piece includes stay tube and support column, and the support column can stretch out in the stay tube to clamp the cooperation through spacing post, recess and spring and fix.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of a novel fire ladder;

FIG. 2 is a top view of a novel fire ladder;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

fig. 5 is a cross-sectional view taken along line C-C in fig. 4.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a main ladder; 2. an auxiliary ladder; 101. a main frame; 102. a cross brace; 1011. a track groove; 1012. a buffer spring; 1013. a buffer plate; 1014. a limiting plate; 1015. a bearing seat; 1016. a rope collecting machine; 1017. a winding shaft; 1018. a slider; 1019. an auxiliary wheel; 1021. an upper pulley; 1022. a lower pulley; 103. a supporting seat; 1031. a support bar; 1032. supporting a tube; 1033. a support pillar; 1034. a limiting hole; 1035. a groove; 1036. a spring; 1037. a limiting column; 1038. a fixed cone; 201. auxiliary main frames; 202. auxiliary cross braces; 2011. a wheel; 2021. a fixed seat; 2022. an auxiliary pulley; 2023. and (6) pulling the rope.

Detailed Description

The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-5, which are provided as examples to illustrate the utility model and not to limit the scope of the utility model. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-5, a novel fire ladder comprises a main ladder 1 and an auxiliary ladder 2, wherein the main ladder 1 comprises two main frames 101 and a plurality of cross braces 102, two ends of the plurality of cross braces 102 are respectively and fixedly connected to the two main frames 101, a slide rail mechanism is arranged on one surface of each main frame 101, a limit plate 1014 is fixedly mounted on one side end, close to the slide rail mechanism, of each main frame 101, a bearing seat 1015 is arranged at one end, far away from the slide rail mechanism, of each main frame 101, a rope retracting mechanism is mounted on each bearing seat 1015, pulley assemblies are arranged on the cross braces 102 in a circumferential direction corresponding to the rope retracting mechanisms, a supporting mechanism is arranged on the other surface of each main frame 101, the auxiliary ladder 2 is slidably arranged on the slide rail mechanism, each auxiliary ladder 2 comprises two auxiliary main frames 201 and a plurality of auxiliary cross braces 202, two ends of the plurality of auxiliary cross braces 202 are respectively and fixedly connected to the two main frames 101, the auxiliary main frame 201 is provided with a wheel 2011, is close to the side of the auxiliary cross brace 202 periphery of the wheel 2011 is provided with a plurality of fixing seats 2021, is far away from the side of the auxiliary cross brace 202 periphery of the wheel 2011 is provided with a plurality of auxiliary pulleys 2022, a traction rope 2023 is fixedly arranged on the fixing seats 2021, and the traction rope 2023 sequentially passes through the auxiliary pulleys 2022 and the pulley assembly and the rope retracting mechanism are fixedly connected.

The novel fire ladder provided by the embodiment of the utility model comprises a main ladder 1 and an auxiliary ladder 2, wherein the main ladder 1 consists of two main frames 101 and a plurality of cross braces 102, the two main frames 101 are fixedly connected through the plurality of cross braces 102, a track groove 1011 is formed in one surface of each main frame 101, a buffer spring 1012 is arranged on one side surface in the track groove 1011, and one end of each buffer spring 1012 is provided with a buffer plate 1013, so that the force generated by the upward movement inertia of the auxiliary ladder 2 can be dissipated conveniently, and the damage caused by collision of the auxiliary ladder 2 and the main ladder 1 is avoided; the side that body frame 101 is close to buffer plate 1013 is provided with limiting plate 1014, and limiting plate 1014 is L-shaped plate body structure, and limiting plate 1014's shape and size all suit with supplementary ladder 2, make each section ladder junction stabilize more when being convenient for the rescue and accomodate when idle and avoid rocking between each section ladder.

Further, the rail mechanism includes a rail groove 1011, the rail groove 1011 is formed in the surface of the main frame 101, a buffer spring 1012 is provided at one end of the rail groove 1011, a buffer plate 1013 is provided at one end of the buffer spring 1012, a slider 1018 is further provided in the rail groove 1011, the slider 1018 is provided at a position away from the buffer plate 1013, and auxiliary wheels 1019 are provided on the opposite surfaces of the slider 1018.

The beneficial effect of adopting the further scheme is that: the purpose of the slide rail mechanism is to make the auxiliary ladder 2 slide on the main ladder 1, and one end of the buffer spring 1012 is provided with a buffer plate 1013, so as to dissipate the force generated by the upward movement inertia of the auxiliary ladder 2 and avoid the damage caused by the collision of the auxiliary ladder 2 and the main ladder 1.

Further, the limiting plate 1014 is disposed opposite to the bearing seat 1015.

The beneficial effect of adopting the further scheme is that: the limiting plate 1014 is matched with the auxiliary device, and the bearing seat 1015 is used for installing the rope winding mechanism, so that the situation that the auxiliary ladder 2 cannot be installed on the main ladder 1 well is avoided.

Further, the rope winding mechanism comprises a rope winding machine 1016, the rope winding machine 1016 is arranged on the upper surface of the bearing seat 1015, winding shafts 1017 are arranged on two opposite surfaces of the rope winding machine 1016, and the hauling rope 2023 is fixedly connected with the winding shafts 1017.

The beneficial effect of adopting the further scheme is that: the two surfaces of the rope collecting machine 1016 are provided with a winding shaft 1017, the hauling rope 2023 is fixedly connected with the winding shaft 1017, and the auxiliary ladder 2 is driven by the rope collecting machine 1016 to slide up and down.

Further, the pulley assembly includes a plurality of upper pulleys 1021 and a plurality of lower pulleys 1022, the plurality of upper pulleys 1021 is disposed on the circumferential side of the wale 102 close to the limiting plate 1014, the plurality of lower pulleys 1022 is disposed on the circumferential side of the wale 102 far from the limiting plate 1014, and the traction rope 2023 passes through the upper pulleys 1021 and the lower pulleys 1022.

The beneficial effect of adopting the further scheme is that: the upper pulley 1021 and the lower pulley 1022 are intended to guide the traction rope 2023, so that the traction rope 2023 can smoothly slide, thereby preventing the traction rope 2023 from being caught and affecting the sliding of the main ladder 1 on the auxiliary ladder 2.

Further, the limiting plate 1014 is an L-shaped plate structure, and the shape and size of the limiting plate 1014 are adapted to the auxiliary ladder 2.

The beneficial effect of adopting the further scheme is that: the shape and the size of limiting plate 1014 all suit with supplementary ladder 2, make each section ladder junction more firm when being convenient for rescue, and can avoid producing when accomodating this fire ladder and rock.

Further, the supporting mechanism comprises a supporting seat 103, the supporting seat 103 is disposed on the surface of the main frame 101, a supporting rod 1031 is rotatably disposed on the supporting seat 103, and a fixing cone 1038 is disposed at one end of the supporting rod 1031.

The beneficial effect of adopting the further scheme is that: when the fire ladder of this application has been placed in the rescue, rotate the bracing piece 1031, the fixed awl 1038 of bracing piece 1031 one end pricks into the soil, makes placing of main ladder 1 more firm.

Further, the support rod 1031 includes a support tube 1032 and a support column 1033, a plurality of limiting holes 1034 are opened on the peripheral side surface of the support tube 1032, a groove 1035 corresponding to the limiting holes 1034 is provided on the peripheral side surface of the support column 1033, a spring 1036 is provided in the groove 1035, a limiting column 1037 is provided at one end of the spring 1036, and the shape and size of the limiting column 1037 are matched with the limiting holes 1034 in a clamping manner.

The beneficial effect of adopting the further scheme is that: the support bar 1031 includes a support tube 1032 and a support post 1033. the support post 1033 may extend from the support tube 1032 and be held in a snap fit by a retaining post 1037, a recess 1035, and a spring 1036.

The specific working principle and the using method of the utility model are as follows: when a fireman uses the fire ladder, the fire ladder is firstly taken to a proper position to lean against a wall surface needing rescue, then the rope collecting machine 1016 is opened, the winding shaft 1017 rotates the winding traction rope 2023 to enable the auxiliary ladder 2 to slide out along the track groove 1011 direction, then the fire ladder is moved to form a proper inclination angle with the wall surface, then the supporting rod 1031 is pulled out to adjust the extending length of the supporting column 1033, then the fixing cone 1038 is pricked into the ground to fix the fire ladder, when the fire ladder is required to be collected, the rope collecting machine 1016 is opened, the winding shaft 1017 rotates the winding traction rope 2023 to enable the auxiliary ladder 2 to retract along the track groove 1011 direction, then the supporting column 1033 is collected into the supporting tube 1032, and the supporting rod 1031 is attached to the main ladder 1 to be collected.

The foregoing is merely a preferred embodiment of the utility model and is not intended to limit the utility model in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the utility model as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims (8)

1. A novel fire ladder comprises a main ladder (1) and auxiliary ladders (2), and is characterized in that the main ladder (1) comprises two main frames (101) and a plurality of cross braces (102), the two ends of the cross braces (102) are respectively and fixedly connected to the two main frames (101), a slide rail mechanism is arranged on one surface of each main frame (101), a limiting plate (1014) is fixedly mounted on one side end, close to the slide rail mechanism, of each main frame (101), a bearing seat (1015) is arranged at one end, far away from the slide rail member, of each main frame (101), a rope retracting mechanism is mounted on each bearing seat (1015), pulley assemblies are arranged on the corresponding rope retracting mechanisms in the circumferential direction of each cross brace (102), a supporting mechanism is arranged on the other surface of each main frame (101), the auxiliary ladders (2) are slidably arranged on the slide rail mechanisms, each auxiliary ladder (2) comprises two auxiliary main frames (201) and a plurality of cross braces (202), a plurality of the both ends of assisting stull (202) are fixed connection respectively two on body frame (101), assist body frame (201) one end and be provided with wheel (2011), be close to assist stull (202) week side of wheel (2011) is provided with a plurality of fixing bases (2021), keeps away from assist stull (202) week side of wheel (2011) is provided with a plurality of supplementary pulleys (2022), fixed haulage rope (2023) that set up on fixing base (2021), haulage rope (2023) pass in proper order assist pulley (2022) with pulley assembly with receipts rope mechanism fixed connection.

2. The novel fire ladder as claimed in claim 1, wherein the slide rail mechanism comprises a rail groove (1011), the rail groove (1011) is formed in the surface of the main frame (101), a buffer spring (1012) is arranged on one end face in the rail groove (1011), a buffer plate (1013) is arranged on one end of the buffer spring (1012), a slide block (1018) is further arranged in the rail groove (1011), the slide block (1018) is arranged away from the buffer plate (1013), and auxiliary wheels (1019) are arranged on two opposite surfaces of the slide block (1018).

3. The novel fire ladder as claimed in claim 1, wherein the limiting plate (1014) is disposed in the opposite direction to the carrying seat (1015).

4. The novel fire ladder as claimed in claim 1, wherein the rope winding mechanism comprises a rope winding machine (1016), the rope winding machine (1016) is arranged on the upper surface of the carrying seat (1015), winding shafts (1017) are arranged on two opposite surfaces of the rope winding machine (1016), and the hauling rope (2023) is fixedly connected with the winding shafts (1017).

5. The novel fire ladder as claimed in claim 1, wherein the pulley assembly comprises a plurality of upper pulleys (1021) and a plurality of lower pulleys (1022), wherein the plurality of upper pulleys (1021) are disposed on the circumferential side of the wale (102) close to the limit plate (1014), the plurality of lower pulleys (1022) are disposed on the circumferential side of the wale (102) far from the limit plate (1014), and the traction rope (2023) passes through the upper pulleys (1021) and the lower pulleys (1022).

6. A new fire ladder as claimed in claim 1, characterised in that the limiting plate (1014) is an L-shaped plate structure, the shape and size of the limiting plate (1014) being adapted to the auxiliary ladder (2).

7. The novel fire ladder as claimed in claim 1, wherein the supporting mechanism comprises a supporting seat (103), the supporting seat (103) is arranged on the surface of the main frame (101), the supporting seat (103) is rotatably provided with a supporting rod (1031), and one end of the supporting rod (1031) is provided with a fixing cone (1038).

8. The novel fire ladder as claimed in claim 7, wherein the support bar (1031) comprises a support tube (1032) and a support column (1033), a plurality of limiting holes (1034) are formed in the peripheral side surface of the support tube (1032), a groove (1035) corresponding to the limiting holes (1034) is formed in the peripheral side surface of the support column (1033), a spring (1036) is arranged in the groove (1035), a limiting column (1037) is arranged at one end of the spring (1036), and the shape and size of the limiting column (1037) are matched with the limiting holes (1034) in a clamping manner.

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