CN209670881U - Military pull ladder - Google Patents

Military pull ladder Download PDF

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Publication number
CN209670881U
CN209670881U CN201920041688.6U CN201920041688U CN209670881U CN 209670881 U CN209670881 U CN 209670881U CN 201920041688 U CN201920041688 U CN 201920041688U CN 209670881 U CN209670881 U CN 209670881U
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China
Prior art keywords
pull
ladder
folding ladder
military
frame
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CN201920041688.6U
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Chinese (zh)
Inventor
张慧平
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Shanghai Huake Special Equipment Technology Co Ltd
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Shanghai Huake Special Equipment Technology Co Ltd
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Priority to CN201920041688.6U priority Critical patent/CN209670881U/en
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Abstract

The utility model proposes a kind of military pull ladders comprising pull track, door body, folding ladder;Pull track is provided with the drawing hole for accommodating folding ladder, pull track front port is provided with the door body for blocking pull aperture, and folding ladder has the folding ladder supporting part being located at pull aperture after folding ladder expansion, is rotatably installed on the folding ladder expanding unit of folding ladder supporting part by shaft.For the utility model under the premise of meeting safety in utilization, structural stability is high, easy to use, and crocodile mouth foot pedal antiskid effect is more preferable.

Description

Military pull ladder
Technical field
The utility model relates to ladder more particularly to a kind of military pull ladders.
Background technique
The convenience that military pull ladder also needs to meet structural stability and use in the case where meeting safety in utilization Property, specifically, it is necessary to meet following require:
1, ladder pull track reduces its thickness as far as possible under the premise of meeting structural stability.
2, the pedal of ladder must have good antiskid effect.
3, the pull of ladder must satisfy smoothness requirement.
4, ladder pack up rear ladder leg be required to it is self-locking.
Utility model content
The purpose of this utility model is to provide a kind of military pull ladders, under the premise of meeting safety in utilization, knot Structure stability is high, easy to use.
The utility model proposes a kind of military pull ladder comprising pull track, door body, folding ladder;Pull track is set It is equipped with the drawing hole for accommodating folding ladder, pull track front port is provided with the door body for blocking pull aperture, and folding ladder has when folding It is located at the folding ladder supporting part at pull aperture after folded ladder expansion, is rotatably installed on folding ladder supporting part by shaft Folding ladder expanding unit.
Further, rolling element, the preferred idler wheel of rolling element are provided between pull track and the terraced frame of folding ladder.
Further, door body is installed at the doorframe for blocking pull aperture by hinge, and door body is provided with retaining mechanism.
Further, folding ladder is provided with locking device.
Further, the support rod lower part Yu ground contact position of folding ladder are provided with wear-resistant vibration-damping pad.
Further, folding ladder supporting part is provided with folding ladder limiting section.
Further, folding ladder supporting part includes:
Supporting rail in the drawing hole of pull track, the part that supporting rail stretches out drawing hole are provided with supporting rail and step on Plate, supporting rail have the cavity for accommodating folding ladder expanding unit ladder frame, and unilateral terraced frame is pacified by shaft member in folding ladder expanding unit At cavity loaded on supporting rail, texture structure or regularly arranged protrusion, remaining pedal is can be set in supporting rail pedal surface This structure can be used, to improve antiskid effect.
Further, folding ladder limiting section includes:
The limit plate being installed in the drawing hole of pull track;
It is set to the baffle of the pull bore ends of pull track;
Limit plate is provided with the retention bead with baffle fit.
Further, folding ladder expanding unit includes the terraced frame for being respectively arranged in the respective supporting rail of folding ladder supporting part, is distributed in Multiple groups pedal is provided between the terraced frame of two-side supporting rail, unilateral ladder frame includes the upper ladder that supporting rail end is installed on by axis Frame is set to interior and parallel with upper terraced frame after the folding ladder expansion descending stair frame of supporting rail cavity, and every layer of pedal passes through shaft member And it is installed on the inside of terraced frame.
Further, locking device is to be set to terraced frame close to the locking pin of ground surface end, and the track frame of pull track is close The side wall at door body end is provided with the locking pin hole with locking pin cooperation.
Further, the surface of pedal is provided with crocodile nozzle aperture, and for aperture edge, upward, hole edge is in sawtooth to crocodile nozzle aperture The elliptical aperture of shape.Crocodile mouth foot pedal is as foot-operated antiskid plate, dimensional standard, mesh standard, beautiful and generous;Distinctive crocodile mouth Shape pass prevents people from falling and hurting in smooth place, and skid resistance effect spy is good;Crocodile mouth pedal is high-intensitive, lightweight construction;By Crocodile mouth foot pedal after surface treatment, not only surface-brightening, but also service life enhancing;Stainless steel material it is excellent anticorrosive Performance, antiacid, alkali, salt corrosion, gap will not become larger because of corrosion;Crocodile mouth foot pedal size can be according to user's need Customization is asked, size can be adjusted arbitrarily;Wire side crocodile mouth shape can fall the soil of little particle, water or sole, dust etc., be easy It cleans, is safe and healthy;Crocodile nozzle aperture is uniform, and permeability and anti-blocking performance are high.
Compared with prior art, the utility model has the beneficial effects that
1, ladder pull track thickness minimum in the case where guarantee can accomplish 70mm, save the whole high of car Degree.
2, pedal uses crocodile mouth structure, good antiskid effect.
3, sliding end uses multi-faceted pulley structure, guarantees that ladder pull is smooth.
4, door-plate is made of 4mm stainless steel plate, saves space, easy for installation.
5, after ladder is packed up, there is self-locking device on terraced leg, use more safety and conveniently.
Detailed description of the invention
Fig. 1 is military pull ladder main view.
Fig. 2 is military pull ladder left view.
Fig. 3 is guide rail main view in military pull ladder.
Fig. 4 is guide rail top view in military pull ladder.
Fig. 5 is guide rail right view in military pull ladder.
Fig. 6 is enlarged view at II in Fig. 1.
Fig. 7 is partial enlarged view at military pull ladder middle door-plate.
Fig. 8 is A-A cross-sectional view in Fig. 1.
Fig. 9 is enlarged drawing at III in Fig. 2.
Figure 10 is enlarged view at I in Fig. 1.
Figure 11 is pedal main view in military pull ladder.
Figure 12 is pedal left view in military pull ladder.
Figure 13 is pedal top view in military pull ladder.
Figure 14 is pedal perspective view in military pull ladder.
Figure 15 is the structural schematic diagram of folding ladder supporting part overlooking state in military pull ladder.
Figure 16 is the structural schematic diagram that folding ladder supporting part looks up state in military pull ladder.
Specific embodiment
Below in conjunction with schematic diagram to the utility model proposes military pull ladder be described in more detail, wherein indicating The preferred embodiment of the utility model, it should be appreciated that those skilled in the art can modify the utility model described herein, And still realize the advantageous effects of the utility model.Therefore, following description should be understood as those skilled in the art's It is widely known, and it is not intended as limitations of the present invention.
As shown in Figure 1, the utility model discloses a kind of military pull ladders comprising pull track 1, door body 2, folding ladder 3.Pull track 1 has U-rail frame positioned opposite, and the open side of U-rail frame is positioned opposite, to allow pull rail Road forms the drawing hole of a receiving folding ladder, and pull track front port is provided with the door body 2 for blocking pull aperture, according to fig. 2 It can be seen that the state that door body naturally droops after opening, folding ladder 3 has the folding being located at pull aperture after folding ladder expansion Folded ladder supporting part 31, the folding ladder expanding unit 32 that folding ladder supporting part is rotatably installed on by shaft, folding ladder bearing Portion as sliding end and in drawing hole be in horizontality, and folding ladder expanding unit then can after deployment with sliding end capitiform It forms an angle, consequently facilitating personnel climb upwards from folding ladder expanding unit, the angle on folding ladder expansion rear lower and ground is not The angle shown after folding ladder is unfolded with ground greater than 55 °, in Fig. 1 is 55 °.
In the preferred embodiment of the utility model, pull track 1 is a frame structure, referring to Fig. 3-4 and Fig. 8, frame One end of the track frame 10 that the pull track of body structure includes positioned opposite and section is U-shaped, in-orbit road frame 10 is disposed with Same section uses U-shaped rail end frame 11, goes along with sb. to guard him the region constituted then by two track frames and rail end frame The folding ladder 3 of slide-in can be stored.Pull track is slid into for convenience of folding ladder 3, in the terraced frame 30 of pull track 1 and folding ladder 3 Between be provided with rolling element 4, the preferred idler wheel of rolling element, referring to Figure 10, the bottom of in-orbit road frame is equipped with idler wheel 4.
For convenience of the open and close of door body, referring to Figure 10, door body is installed on the doorframe for blocking pull aperture by hinge Place can use as a kind of selection and be arranged in baffle 311 of the track frame far from rail end frame and use as doorframe, And hinge is then arranged in baffle, so that door body can be opened downwards along hinge, door body is not less than after opening to lower may be reversed 170 °, door body locking rear surface is adjacent to door side surface, and door body is provided with retaining mechanism, and rotatable lock tongue is arranged in door body, Doorframe is provided with the dead bolt hole with lock tongue cooperation, is in close state the lock that lock tongue can be then inserted into doorframe when door-plate is dug Tongue apertures, Fig. 5 are then door body closed state, and lock tongue is inserted into the dead bolt hole of doorframe at this time, and lock tongue stretching state at this time can To refer to Fig. 7.
It is noted that folding ladder 3 is provided with locking device 5, referring to Fig. 6 and Fig. 9, locking device 5 is to be set to ladder Frame close to ground surface end locking pin, in conjunction with Figure 10 it is found that side wall of the track frame of pull track 1 close to door body end be provided with The locking pin hole 50 of locking pin cooperation takes in pull track 1 when folding ladder folds, then locking pin can be pushed to locking pin Hole, to guarantee the stability of the folding ladder of storage.
In addition, the support rod lower part of folding ladder 3 and ground contact position are provided with wear-resistant vibration-damping pad, which is can Think rubber pad etc..
It should be pointed out that folding ladder be received into pull track can be by structures such as idler wheels, to further facilitate Folding ladder slides into storage track, referring to fig. 4, except in addition to the welding baffle of track front end, the lower block before being added at track front end Plate 6, preceding lower baffle plate 6 must not be higher than track upper and lower surface.The preceding lower baffle plate can play good importing effect, avoid hollow out knot The slide-in operation of structure and inconvenient pull ladder.
In the present embodiment, folding ladder supporting part 31 is provided with folding ladder limiting section, and referring to Fig. 1, folding ladder supporting part 31 is wrapped The supporting rail 312 in the drawing hole of pull track is included, supporting rail a part is located in the drawing hole of pull track, another portion Drawing hole can then be stretched out by dividing, and the part that supporting rail stretches out drawing hole is provided with supporting rail pedal 313, and supporting rail, which has, accommodates folding The cavity of ladder expanding unit ladder frame is folded, unilateral terraced frame is installed on the cavity of supporting rail by shaft member in folding ladder expanding unit 32 Place, the supporting rail can use section for U-shaped stainless steel, and downward, U-shaped cavity body is then as receiving folding for the U-shaped opening of supporting rail The cavity of folded ladder expanding unit ladder frame, the supporting rail stretch out the part initial segment of drawing hole and the partial cross section phase being located in drawing hole Together, and the height of the part then U-shaped supporting rail side wall close to free end gradually becomes smaller.
As one preferred to be, referring to fig. 4, folding ladder limiting section includes being installed in the drawing hole of pull track 1 Limit plate 310, limit plate is arranged at the top of the supporting rail of folding ladder supporting part, and the limit plate is located in U-rail frame, and The baffle 311 for being set to the pull bore ends of pull track 1 can then cooperate with limit plate and prevent the completely out pumping of folding ladder Track is drawn, and limit plate is provided with the retention bead with baffle fit, the height of the retention bead needs to meet retention bead Can be by the requirement of baffle, limit plate upper surface of the retention bead between U-rail frame, and the present embodiment Prevent from derailing to be cooperated with limit plate 310 using another structure, referring to Figure 15, folding ladder supporting part be provided with The limit stops plate 310 ' that limit plate 310 cooperates, the limit stops plate 310 ' use section for the plate body of L-type, limit stops The top of plate is higher than limit plate, thus when the limit stops plate of folding ladder supporting part slides into state shown in Fig. 1, limit stops Plate is directly against on limit plate, so that folding ladder can not be continued to pull out, and the inclined part of folding ladder can then adopt Use the prior art.
In the present embodiment, referring to Fig. 1-2, folding ladder expanding unit 32 includes being respectively arranged in folding ladder supporting part 31 respectively to prop up The terraced frame of support rail is distributed between the terraced frame of two-side supporting rail and is provided with multiple groups pedal 320, such as four groups shown in FIG. 1 (are not wrapped Include supporting rail pedal 313), unilateral ladder frame includes the upper terraced frame 321 for being installed on supporting rail end by axis, is set to supporting rail The descending stair frame 322 parallel with upper terraced frame, every layer of pedal are installed on ladder by pin shaft component in cavity and after folding ladder expansion On the inside of frame, the then effect after unfolded ladder expansion of state shown in Fig. 1, the terraced frame in the unilateral side of folding ladder constitutes parallel four side at this time Shape, then all there are two pin shaft installation positions on the ladder frame of side for single layer pedal, so that pedal be facilitated to carry out receiving folded work with folding ladder Industry.
Referring to Figure 11-14, the surface of pedal is provided with crocodile nozzle aperture 3201, crocodile nozzle aperture be aperture edge it is upward, The elliptical aperture that hole edge is serrated.Such crocodile mouth foot pedal is as foot-operated antiskid plate, and dimensional standard, mesh standard, beauty are big Side, and distinctive crocodile mouth shape pass, prevent people from falling and hurting in smooth place, and skid resistance effect spy is good, and crocodile mouth pedal is high Intensity, and belong to lightweight construction, the crocodile mouth foot pedal after surface treatment, not only surface-brightening, but also service life increasing By force, pedal have top plate body and the circumferential four sides building enclosure for being set to plate body, internal cavities can be convenient little particle, The soil of water or sole, dust etc. are fallen without lodging on pedal, and 3 row, 12 column crocodile nozzle aperture is provided on pedal, adjacent There is zigzag strip hole 3200 between crocodile nozzle aperture, be provided in the short side side wall of pedal and pedal is assembled to opening for terraced frame Hole, since there are two assembly hole locations in unilateral side tool for each pedal, so each short side side wall in pedal is provided with two dresses Distribution, strip pilot hole hole location corresponding with the unilateral terraced descending stair frame of frame is assembled in the two pilot holes, such structure Facilitate the folding needs of pull ladder.
It should be pointed out that corresponding idler wheel equally can be set in folding ladder supporting part 31, referring to Figure 15, Figure 16, rolling over It folds the front slide frame 3100 that ladder supporting part 31 includes parallel arrangement, rear slider box 3110 and is set to front slide frame, slides afterwards The left slider box 3120 of frame left part, front slide frame 3100, rear slider box 3110 be rectangle frame and with rectangle set by pull track Sliding rail cooperates and carries out sliding operation, is also equipped with side wheel 3120 in the side wall of front slide frame and rear slider box, Side wheel 3120 herein slides on the orbit sidewall of pull track, in front slide frame and rear slider box at left slider box It is provided with top idler wheel 3130, top idler wheel 3130 then slides on the track roof of pull track, in front slide frame and rear slider box Bottom be also equipped with bottom idler wheel 3140, bottom idler wheel 3140 slides in the track lower wall of pull track, pays attention to bottom idler wheel 3140 can directly slide into pull track from previously mentioned idler wheel 4, between front slide frame and rear slider box Pedal is set.
In the present embodiment, rail material thickness should be not less than 1.5mm, and track preceding aperture frame side material thickness should be 1.5mm, Panel material thickness should be 5mm (actual (real) thickness 4.5-4.75mm or so), and the outermost end floor beam of pull ladder is away from door opening apart from not It obtains and is greater than 100mm, facilitate manpower to pull out pull ladder out of frame, the military preferred stainless steel of pull ladder material, surface is thrown Light/wire drawing process.
The usage mode of the utility model is as follows:
Pull ladder is pulled out from pull track in state shown in Fig. 1 after opening door body, pull ladder, which is located at, at this time takes out The part of track is drawn to play support effects.When needing to store, by the folding ladder expanding unit of pull ladder lift and with pull track It flushes entire pull after (the axis installing component of folding ladder supporting part and folding ladder expanding unit connection position can guarantee this movement) Ladder push-in pull track closes door body later using locking pin locked, completes storage operation.
The preferred embodiment that above are only the utility model, does not play the role of any restrictions to the utility model. Any person of ordinary skill in the field, in the range of not departing from the technical solution of the utility model, to the utility model The technical solution and technology contents of exposure make the variation such as any type of equivalent replacement or modification, belong to without departing from the utility model Technical solution content, still fall within the protection scope of the utility model.

Claims (10)

1. a kind of military pull ladder, which is characterized in that it includes pull track, door body, folding ladder;
The pull track is provided with the drawing hole for accommodating folding ladder, and the pull track front port, which is provided with, blocks pull aperture Door body, the folding ladder has folding ladder supporting part after folding ladder expansion at the pull aperture, can by shaft It is rotatably mounted to the folding ladder expanding unit of folding ladder supporting part.
2. military pull ladder according to claim 1, which is characterized in that between the pull track and the terraced frame of folding ladder It is provided with rolling element.
3. military pull ladder according to claim 2, which is characterized in that the door body is installed on by hinge blocks pull At the doorframe in aperture, the door body is provided with retaining mechanism.
4. military pull ladder according to claim 1, which is characterized in that the folding ladder is provided with locking device.
5. military pull ladder according to claim 1, which is characterized in that the pedal of the folding ladder is provided with crocodile mouth Hole.
6. military pull ladder according to claim 1, which is characterized in that the folding ladder supporting part is provided with folding ladder limit Position portion.
7. military pull ladder according to claim 1, which is characterized in that the folding ladder supporting part includes:
Supporting rail in the drawing hole of pull track, the part that supporting rail stretches out drawing hole are provided with supporting rail pedal, institute Stating supporting rail has the cavity for accommodating folding ladder expanding unit ladder frame, and unilateral terraced frame is installed by shaft member in folding ladder expanding unit At the cavity of supporting rail.
8. military pull ladder according to claim 6, which is characterized in that the folding ladder limiting section includes:
The limit plate being installed in the drawing hole of pull track;
It is set to the baffle of the pull bore ends of pull track;
The limit plate is provided with the retention bead with baffle fit.
9. military pull ladder according to claim 1, which is characterized in that the folding ladder expanding unit includes being respectively arranged in The terraced frame of the respective supporting rail of folding ladder supporting part, is distributed between the terraced frame of two-side supporting rail and is provided with multiple groups pedal, unilateral ladder Frame include the upper terraced frame for being installed on supporting rail end by axis, be set in supporting rail cavity and after folding ladder expansion with it is upper The parallel descending stair frame of terraced frame, every layer of pedal are installed on the inside of terraced frame by shaft member.
10. military pull ladder according to claim 4, which is characterized in that the locking device is close to be set to terraced frame The locking pin of ground surface end, side wall of the track frame of the pull track close to door body end are provided with the locking with locking pin cooperation Pin hole.
CN201920041688.6U 2019-01-10 2019-01-10 Military pull ladder Active CN209670881U (en)

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CN201920041688.6U CN209670881U (en) 2019-01-10 2019-01-10 Military pull ladder

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113090072A (en) * 2021-04-10 2021-07-09 新力建设集团有限公司 Safety ladder way suitable for deep foundation pit slope-making type excavation construction and assembling method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113090072A (en) * 2021-04-10 2021-07-09 新力建设集团有限公司 Safety ladder way suitable for deep foundation pit slope-making type excavation construction and assembling method

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