CN102966303A - Ladder stand device and hydraulic support - Google Patents
Ladder stand device and hydraulic support Download PDFInfo
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- CN102966303A CN102966303A CN2012104794025A CN201210479402A CN102966303A CN 102966303 A CN102966303 A CN 102966303A CN 2012104794025 A CN2012104794025 A CN 2012104794025A CN 201210479402 A CN201210479402 A CN 201210479402A CN 102966303 A CN102966303 A CN 102966303A
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Abstract
The invention discloses a ladder stand device and a hydraulic support. The ladder stand device comprises first connecting bases, second connecting bases, a first ladder assembly and a second ladder assembly, wherein the first ladder assembly and the second ladder assembly respectively comprise two first support rods which are of bent structures and are arranged side by side, at least one first ladder stand rod is hinged between the two support rods of the first ladder assembly and/or the second ladder assembly, first ends of the two first support rods of the first ladder assembly are rotatably matched with the first connecting bases, first ends of the two first support rods of the second ladder assembly are rotatably matched with the second connecting bases, and second ends of the two first support rods of the first ladder assembly are respectively matched with second ends of the two first support rods of the second ladder assembly in a telescoping manner. The ladder stand device disclosed by the invention is convenient to mount, can adapt to the condition that the two ends of the mounting position asynchronously move, and does not need to be disassembled.
Description
Technical field
The present invention relates to the ladder technical field, particularly a kind of climbing ladder apparatus and hydraulic support.
Background technology
At present, domestic coal mining has been realized comprehensive mechanization substantially, and on coal-face, progressively towards electrified, automation direction development.And for the work of some assisted class, be main mainly with manual labor still at present, such as transfer of maintenance of underground, parts replacement or work plane etc., therefore, how to guarantee safety and the convenience of various walkwaies, down-hole, very important.
In order to finish assisted class work, the personnel in the pit often need to walk about between work plane and adit, but exist the various devices such as hydraulic support, elevating conveyor between work plane and the adit, and the appearance and size of these equipment is larger, the personnel in the pit is comparatively difficult when passing through.For this problem, generally have at present two schemes, thereby directly crossing the haulage devices such as elevating conveyor from a side of hydraulic support, a kind of personnel in the pit of being reaches opposite side; Another kind of scheme then is at hydraulic support a rigid ladder to be installed, and the personnel in the pit is from this rigid ladder safety.
Yet, directly cross the haulage devices such as elevating conveyor, cause easily security incident, labour intensity is large, and very inconvenience when elevating conveyor overhauls; And adopt the rigidity cat ladder, and bad adaptability when hydraulic support need to carry out step type when moving, needs first the rigidity cat ladder is dismantled, and whole process workload is large, and has potential safety hazard.
Summary of the invention
In view of this, the present invention aims to provide a kind of climbing ladder apparatus and hydraulic support, in order to for the personnel in the pit provides safety, passage lanes easily, solve existing rigidity cat ladder bad adaptability, can't adapt to the problem that the hydraulic support step type moves.
On the one hand, the invention provides a kind of climbing ladder apparatus, described climbing ladder apparatus comprises the first Connection Block, the second Connection Block, the first ladder and the second ladder; Described the first ladder and described the second ladder include two the first support bars, described two the first support bars are bending structure and are arranged side by side, be hinged with at least one first cat ladder bar between two the first support bars of described the first ladder and/or described the second ladder, the first end of two the first support bars of described the first ladder cooperates with described the first Connection Block rotation, the first end of two the first support bars of described the second ladder cooperates with the rotation of described the second Connection Block, and the second end of two the first support bars of described the first ladder stretches with the second end of two the first support bars of described the second ladder respectively and cooperates.
Further, described climbing ladder apparatus also comprises two telescopic tubes that are arranged side by side; The second end of two the first support bars of described the first ladder is connected to an end of described two telescopic tubes, and the second end of two the first support bars of described the second ladder respectively telescopically is sheathed in the other end of described two telescopic tubes.
Further, offer telescopic chute on the sidewall of at least one telescopic tube; The second end that is sheathed on the first support bar in this at least one telescopic tube is installed with limited block, and described limited block is inserted in the described telescopic chute.
Further, described climbing ladder apparatus also comprise be sheathed on movably respectively the outer external member of described two telescopic tubes, be articulated in the second cat ladder bar between these two external members and be arranged at these two external members and described two telescopic tubes between the first detent mechanism.
Two the first support bars of described the first ladder and/or described the second ladder offer at least one pair of elongated hole and offer connecting hole in the position perpendicular to this elongated hole at its relative position, and the two ends of described the first cat ladder bar are positioned at this a pair of elongated hole and are connected with the first bolt that is installed on this connecting hole.
Further, two the first support bars of described the first ladder and described the second ladder include the first connection rotating shaft, elbow and the first sleeve pipe, and an end of described the first sleeve pipe and an end of described elbow removably connect; The other end of two the first sleeve pipes of described the first ladder cooperates with the other end of two the first sleeve pipes of described the second ladder is flexible, the other end of two elbows of described the first ladder cooperates with described the first Connection Block rotation by the first connection rotating shaft of described the first ladder respectively, and the other end of two elbows of described the second ladder cooperates with described the second Connection Block rotation by the first connection rotating shaft of described the second ladder respectively.
Further, described the first Connection Block and described the second Connection Block include two mounting bases that the interval arranges, are fixedly arranged on two the second support bars on these two mounting bases and be fixedly arranged on the 3rd cat ladder bar between these two second support bars side by side.
Further, the top of described two the second support bars is tubular structure, and described climbing ladder apparatus also comprises the 3rd ladder and the 4th ladder; Described the 3rd ladder and described the 4th ladder include two the 3rd support bars that are arranged side by side and are connected in the 4th cat ladder bar between these two the 3rd support bars; The bottom telescopically of two the 3rd support bars of the 3rd ladder is sheathed in the top of two the second support bars of described the first Connection Block, the top of two the 3rd support bars of the 3rd ladder cooperates with the first end rotation of two the first support bars of the first ladder respectively, is provided with the second detent mechanism between the top of the bottom of two the 3rd support bars of the 3rd ladder and two the second support bars of described the first Connection Block; The bottom telescopically of two the 3rd support bars of the 4th ladder is sheathed in the top of two the second support bars of described the second Connection Block, the top of two the 3rd support bars of the 4th ladder cooperates with the first end rotation of two the first support bars of the second ladder respectively, is provided with the 3rd detent mechanism between the top of the bottom of two the 3rd support bars of the 4th ladder and two the second support bars of described the second Connection Block.
On the other hand, the present invention also provides a kind of hydraulic support, this hydraulic support comprises left socle, right support and above-mentioned each described climbing ladder apparatus, and the first Connection Block of described climbing ladder apparatus and the second Connection Block are installed on respectively on described left socle and the described right support.
Further, be provided with slideway on described left socle and the described right support, be provided with chute on the described slideway; Upside-down mounting has the second bolt on described the first Connection Block and described the second Connection Block, described the first Connection Block and described the second Connection Block lay respectively on the slideway of described left socle and described right support, and the head of described the second bolt is positioned at described chute and is slidingly matched with it.
In use, the two ends (such as left socle and the right support of underground hydraulic support frame) that the first Connection Block and second Connection Block of climbing ladder apparatus of the present invention can be installed on position to be crossed, when namely the translational speed of the first Connection Block and the second Connection Block is inconsistent the two ends of installation site, continue the keeping parallelism state between two the first support bars of the first ladder and the second ladder, but distance reduces, be hinged on angle between two the first support bars of two cat ladder bars between the first support bar and this by the vertical acute angle state that changes into substantially, meanwhile, two the first support bars of the first ladder and two the second support bars of the second ladder stretch out to adapt to said process mutually, be that climbing ladder apparatus of the present invention is easy for installation, and asynchronous when mobile at the two ends, installation site, need not to disassemble, compliance is good.
Hydraulic support of the present invention is provided with above-mentioned climbing ladder apparatus, because above-mentioned climbing ladder apparatus has above-mentioned technique effect, so this hydraulic support also has corresponding technique effect.
Description of drawings
The accompanying drawing that consists of a part of the present invention is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
The structural representation of a kind of climbing ladder apparatus that Fig. 1 provides for the embodiment of the invention;
Fig. 2 is the structural representation of the first Connection Block part among Fig. 1;
Fig. 3 is the structural representation of the first ladder part among Fig. 1;
Fig. 4 is the structural representation of telescopic tube part among Fig. 1;
Fig. 5 is first view of climbing ladder apparatus shown in Figure 1 when concrete the application;
Fig. 6 is second view of climbing ladder apparatus shown in Figure 1 when concrete the application.
Symbol description:
1 first Connection Block
2 second Connection Blocks
3 first ladders
4 second ladders
5 telescopic tubes
6 the 3rd ladders
7 the 4th ladders
11 bolts hole
12U type bayonet lock
13 reinforcing ribs
14 second bolts
15 second support bars
16 the 3rd cat ladder bars
31 first connection rotating shafts
32 elbows
33 second connection rotating shafts
34 first sleeve pipes
35 first cat ladder bars
36U type bayonet lock
37 elongated holes
38 first bolts
41 limited blocks
51 external members
52 bolts
53 second cat ladder bars
54 first pin-and-holes
55U type bayonet lock
56U type bayonet lock
57 telescopic chute
58 spacing breach
61U type bayonet lock
62 the 3rd support bars
63 the 4th cat ladder bars
100 left socles
200 right supports
101 bottoms
102 slideways
103 chutes
The specific embodiment
Should be pointed out that in this part that to the description of concrete structure and description order only be explanation to specific embodiment, should not be considered as that protection scope of the present invention is had any restriction.In addition, under the situation of not conflicting, embodiment and the feature among the embodiment in this part can make up mutually.
Please also refer to Fig. 1 to Fig. 6, below in conjunction with embodiment the present invention is elaborated.
In conjunction with shown in Figure 1, the climbing ladder apparatus of this embodiment comprises the first Connection Block 1, the second Connection Block 2, the first ladder 3, the second ladder 4, two telescopic tubes 5 that are arranged side by side, the 3rd ladder 6 and the 4th ladder 7, wherein, the first Connection Block 1, the 3rd ladder 6, the first ladder 3, two telescopic tubes 5, the second ladder 4, the 4th ladders 7 and the Connection Block 2 of being connected connect in turn.
Particularly, in conjunction with shown in Figure 3, the first ladder 3 and the second ladder 4 include two the first support bars that are arranged side by side and are articulated in a plurality of the first cat ladder bars 35 between these two first support bars.Preferably, each first support bar includes the first connection rotating shaft 31, elbow 32(such as elbow bend), the second connection rotating shaft 33 and the first sleeve pipe 34, it is outstanding and two ends are the structure of column type in the middle of the first connection rotating shaft 31 and the second connection rotating shaft 33 are, one end of elbow 32 is sheathed on the end of the first connection rotating shaft 31, the other end is sheathed on an end of the second connection rotating shaft 33, the two ends that are elbow 32 cooperate with the first connection rotating shaft 31 and 33 rotations of the second connection rotating shaft, one end of the first sleeve pipe 34 is sheathed on the other end of the second connection rotating shaft 33, thereby cooperate with its realization rotation, a plurality of the first cat ladder bars 35 intervals arrange, and its two ends are articulated in respectively on two the first sleeve pipes 34 that are arranged side by side; The other end of two the first sleeve pipes 34 of the first ladder 3 removably fixedly is plugged in respectively in the end of two telescopic tubes 5, and the other end of two the first sleeve pipes of the second ladder 4 respectively telescopically is sheathed in the other end of two telescopic tubes 5.
Be arranged with movably respectively external member 51(such as anchor ear on the outer wall of two telescopic tubes 5), the two ends of the second cat ladder bar 53 are articulated on two external members 51 by bolt 52, for external member 51 is fixed on the telescopic tube 5, also be provided with the first detent mechanism between external member 51 and the telescopic tube 5, for example, as shown in Figure 1, in the present embodiment, this first detent mechanism is U-shaped clamping pin structure, namely on telescopic tube 5, be disposed with a plurality of the first pin-and-holes 54 along its length direction, be provided with on the external member 51 respective shapes and can with the second pin-and-hole of arbitrary the first pin-and-hole 54 centerings, when external member 51 moves to the precalculated position along telescopic tube 5, insert in the second pin-and-hole and the first pin-and-hole 54 by U-shaped bayonet lock 55, can realize the fixing of external member 51 and telescopic tube 5.
In conjunction with shown in Figure 2, the first Connection Block 1 and the second Connection Block 2 include two mounting bases 10, two the second support bars 15 and the 3rd cat ladder bar 16, wherein, two mounting base 10 intervals arrange and are tubular structure, two the second support bars 15 are fixedly arranged on (as being welded in) two mounting bases 10 side by side, the number of the 3rd cat ladder bar 16 can be for a plurality of, and its two ends are individually fixed on two the second support bars 15; Preferably, in order to improve the support strength of the second support bar 15, the position that is connected with mounting base 10 in the bottom of the second support bar 15 also is provided with reinforcing rib 13.
In conjunction with shown in Figure 1, the 3rd ladder 6 and the 4th ladder 7 include two the 3rd support bars 62 and the 4th cat ladder bar 63, two the 3rd support bars 62 are arranged side by side and are tubular structure, and the two ends of the 4th cat ladder bar 63 are fixed in or are articulated on two the 3rd support bars 62; The other end (being the bottom) of two the first connection rotating shafts 31 of the first ladder 3 is sheathed on respectively in the end (being the top) of two the 3rd support bars 62 of the 3rd ladder 6, and can be fixing by U-shaped bayonet lock 61; The other end (being the bottom) of two the 3rd support bars 62 of the 3rd ladder 6 respectively telescopically is sheathed in the top of two the second support bars 15 of the first Connection Block 1; The other end (being the bottom) of two the first connection rotating shafts 31 of the second ladder 4 is sheathed on respectively in the end (being the top) of two the 3rd support bars 62 of the 4th ladder 7, and can be fixing by U-shaped bayonet lock 61; The other end (being the bottom) of two the 3rd support bars 62 of the 4th ladder 7 respectively telescopically is sheathed in the top of two the second support bars 15 of the second Connection Block 2.
In order to keep the 3rd ladder 6 and the first Connection Block 1 and to keep the 4th ladder 7 and the second Connection Block 2 fixing, and be convenient to regulate the height of the 3rd ladder 6 and the 4th ladder 7, be provided with the second detent mechanism between the top of the bottom of two the 3rd support bars 62 of the 3rd ladder 6 and two the second support bars 15 of the first Connection Block 1, be provided with the 3rd detent mechanism between two the second support bars 15 of the bottom of two the 3rd support bars 62 of the 4th ladder 7 and the second Connection Block 2, as shown in Figure 1, in the present embodiment, this second detent mechanism and the 3rd detent mechanism adopt U-shaped clamping pin structure, namely set gradually a plurality of pin-and-holes on the top of the second support bar 15 along its length direction, and arrange in the bottom of the 3rd support bar 62 respective shapes and can with another pin-and-hole of arbitrary the first pin-and-hole centering, when the 3rd support bar 62 is retractable to the precalculated position with respect to the second support bar 15, insert by U-shaped bayonet lock and can realize the fixing of the 3rd support bar 62 and the second support bar 15 in these two pin-and-holes, namely realize the fixing of fixing and the 4th ladder 7 and the second Connection Block 2 of the 3rd ladder 6 and the first Connection Block 1.
Below in conjunction with concrete application scenarios the operating principle of above-mentioned climbing ladder apparatus once is described:
View when Fig. 5 and Fig. 6 have provided above-mentioned climbing ladder apparatus and be applied to hydraulic support, this hydraulic support comprises left socle 100 and right support 200; Hydraulic support is the important component part of fully-mechanized mining equipment, be mainly used in supporting and controlling the top board of work plane, the isolation goaf, prevent that spoil from entering stope and advancing conveyer, generally be furnished with reclaiming conveyer between left socle 100 and the right support 200, in order to finish assisted class work, the personnel in the pit need to pass through between left socle 100 and the right support 200 through being everlasting, the concrete structure of relevant hydraulic support and use scenes can referring to the description of prior art, not given unnecessary details hereby;
In conjunction with shown in Figure 5, in use, the bottom that the first Connection Block 1 and second Connection Block 2 of climbing ladder apparatus can be fixedly installed in respectively left socle 100 and right support 200, do not carry out step type when moving (state shown in Figure 5) at hydraulic support, the cardinal principle such as the first sleeve pipe 34 of climbing ladder apparatus, telescopic tube 51 is perpendicular to the moving direction of hydraulic support, be shaped as rectangle between the first sleeve pipe 34 that is arranged side by side and adjacent two the first cat ladder bars 35, the personnel in the pit can cross between left socle 100 and right support 200 along climbing ladder apparatus;
Propelling along with work plane, hydraulic support needs step type to move, as shown in Figure 6, left socle 100 has carried out step type and has moved, and above 200 1 passing of right support step pitch, at this moment, the first Connection Block 1 of climbing ladder apparatus is followed left socle 100 and is moved forward a passing step pitch with respect to the second Connection Block 2, the first ladder 3 and the second ladder 4 rotate respective angles by the first connection rotating shaft 61 with respect to the 3rd ladder 6 and the 4th ladder 7 respectively, respective angles is rotated relative to two the first sleeve pipes 34 respectively in the two ends of the first cat ladder bar 35, and the first ladder 3 and the second ladder 4 are by two telescopic tubes, 5 relative stretching out, namely two of the second ladder 4 the first sleeve pipes stretch out in two telescopic tubes 5 respectively, distance between the amplitude of stretching out and the first Connection Block 1 and the second Connection Block 2 adapts, like this after the hydraulic support step type moves, be shaped as parallelogram between the first sleeve pipe 34 and the first cat ladder bar 35, the step type that the distortion of climbing ladder apparatus can adapt to hydraulic support moves, after hydraulic support was taken a step mobile finishing, the personnel in the pit can continue to cross by this climbing ladder apparatus;
In use, if when need increasing the height of climbing ladder apparatus and namely increasing the first ladder 3, the second ladder 4 and telescoping tube 5 with respect to the height of the first Connection Block 1 and the second Connection Block 2, can realize with respect to the extension elongation of the first Connection Block 1 and the second Connection Block 2 by adjusting the 3rd ladder 6 and the 4th ladder 7; In addition, if equipment such as elevating conveyor between left socle 100 and the right support 200 break down when needing repairing, can be by operation the second cat ladder bar 53, make it follow external member 51 and move to the precalculated position along telescopic tube 51, thereby the space between two telescopic tubes 5 is got out of the way, and then satisfy the maintenance needs of elevating conveyor.
In above-described embodiment, the 3rd detent mechanism between the second detent mechanism between the first detent mechanism between telescopic tube 5 and the external member 51, the 3rd ladder 6 and the first Connection Block 1 and the 4th ladder 7 and the second Connection Block 2 all adopts U-shaped clamping pin structure to realize, but in other embodiments, also can adopt other modes, as long as can realize that positioning instant can, the mode that for example can also adopt bail and rotation adapter sleeve to cooperate perhaps adopts screw and the mode that holds out against screw fit; In addition, in other embodiments, adopt respectively between the first connection rotating shaft 31 and the 3rd support bar 62, the second connection rotating shaft 33 and elbow 32 and the first sleeve pipe 34, the first sleeve pipe 34 and the telescopic tube 5 U-shaped bayonet lock 61,36,56 and corresponding pin-and-hole realize fixing, in other embodiments, also can adopt other detachable fixed form.
Among the above-mentioned various embodiment, the first ladder 3 and the second ladder 4 form by two the first support bars that are arranged side by side and a plurality of the first cat ladder bars 35 of being articulated between these two first support bars, and the first support bar is by the first connection rotating shaft 31, elbow 32, the second connection rotating shaft 33 and the first sleeve pipe 33 are connected to form in turn, versatility is good like this, be convenient to assembling, but in other embodiments, the first support bar also can be the Integral bending folded structure, one end of this bending structure and the 3rd ladder 6 or 7 rotations of the 4th ladder cooperate, and the other end is fixed in telescopic tube 5 or stretches with telescopic tube 5 and cooperates; Perhaps the first support bar other parts except elbow 32 and the first connection rotating shaft 31 are structure as a whole (such as the overall structure as the first sleeve pipe), so also can realize above-mentioned corresponding function; In addition, in other embodiments, the number of the first cat ladder bar 35 can arrange as required, and, if in the first ladder 3 and the second ladder 4 is longer, another is shorter, also can at least one first cat ladder bar be set than the elder, and in shorter one's omission the first cat ladder bar is set; In addition, in above-described embodiment optimal way, two the first sleeve pipes 34 that are arranged side by side offer at other relative positions and manyly offer connecting hole to elongated hole 37 and in the position of vertical this elongated hole 37, the two ends of the first cat ladder bar 35 are positioned at this a pair of elongated hole 37, and be connected with the first bolt 38 in being installed on this connecting hole, but in other embodiments, the two ends of the first cat ladder bar 35 can be different with above-described embodiment from articulated manner between the first support bar 34, as long as can adapt to the first Connection Block 1 and the 2 asynchronous movements of the second Connection Block.
Among the above-mentioned various embodiment, for the ease of regulating the height of climbing ladder apparatus, the 3rd ladder 6 and the 4th ladder 7 are being set respectively between the first ladder 3 and the first Connection Block 1 and between the second ladder 4 and the second Connection Block 2, but in other embodiments, the 3rd ladder 6 and the 4th ladder 7 also can omit, and are directly realized rotating to cooperate getting final product by connection rotating shaft and the first Connection Block 1 and the second Connection Block 2 respectively by the first ladder 3 and the second ladder 4; In addition, in other embodiments, realize that the mode that rotation cooperates also is not limited to realize by connection rotating shaft, as long as can realize the first ladder 3(the second ladder 4) can be with respect to the first Connection Block 1(the second Connection Block 2) rotate respective angles, and then adapt to the first Connection Block 1 and the 2 asynchronous movements of the second Connection Block get final product.
Among the above-mentioned various embodiment, the first Connection Block 1 and the second Connection Block 2 all adopt the form of ladder, being convenient to the personnel in the pit climbs up and over, but in other embodiments, the first Connection Block 1 and the second Connection Block 2 can adopt other base form, as long as can realize the support of the first ladder 3 and the second ladder 4 and be convenient to install.
Among the above-mentioned various embodiment, flexible cooperation between the first ladder 3 and the second ladder 4 realizes by telescopic tube 5, the first support bar of the first ladder 3 is fixed in an end of telescopic tube 5, the first support bar telescopically of the second ladder 4 is sheathed in the telescopic tube 5, as shown in Figure 4, for flexible guide effect and the position-limiting action (preventing that namely the first support bar from coming off when telescopic tube 5 stretches out) of providing of the first support bar of the second ladder 4 is provided better, also can telescopic tube 5(at least one, preferred two) sidewall on offer telescopic chute 57, and the first support bar end in being sheathed on telescopic tube 5 is fixedly installed limited block 41, this limited block 41 places in this telescopic chute 57, more preferably, this limited block 41 is cylindric, the end that telescopic chute 57 is stretched out away from this first support bar also is provided with the spacing breach 58 that is complementary with this cylindric limited block 41, and whole climbing ladder apparatus had better stability (the climbing ladder apparatus general work is under this state) when so setting can guarantee that the second ladder 4 does not stretch out with respect to the first ladder 3; In other embodiments, this limit method can also adopt other modes to realize, for example, in telescopic tube 5 interior mounting spring, an end of spring and telescopic tube 5 are fixing, and the inserting end of the first support bar of the other end and the second ladder 4 is fixed; But in other embodiments, flexible cooperation between the first ladder 3 and the second ladder 4 can also adopt other modes to realize, as long as the first support bar that can realize the second ladder 4 stretches out with respect to the first support bar of the first ladder 3 and retracts, for example, two the first support bars of described the second ladder 4 respectively telescopically are sheathed in two the first support bars of described the first ladder 3, perhaps be connected by cylinder or oil cylinder between the first support bar of the first support bar of the first ladder 3 and the second ladder 4, perhaps in the first support bar of the first support bar of the first ladder 3 and the second ladder 4 is provided with chute, another is provided with slide block, this slide block can be in chute telescopic slide.
Among the above-mentioned various embodiment, in order to alleviate the overall weight of climbing ladder apparatus, various support bars, cat ladder bar preferably adopt tubular structure, but in other embodiments, also can adopt other forms, as long as can realize the function of the invention described above.
To sum up, the climbing ladder apparatus that the embodiment of the invention and various expansion thereof provide is easy for installation, and asynchronous when mobile at the two ends, installation site, need not to disassemble, and compliance is good.
The embodiment of the invention also provides a kind of hydraulic support, for example be Fig. 5 and hydraulic support as shown in Figure 6, this hydraulic support comprises left socle 100, right support 200 and the described climbing ladder apparatus of above-described embodiment optimal way, and the first Connection Block of this climbing ladder apparatus and the second Connection Block are installed on respectively the bottom of left socle 100 and right support 200.
In conjunction with shown in Figure 2, preferably, regulate for the ease of the installation and the size that realize climbing ladder apparatus, base plate at the first Connection Block 1 and the second Connection Block 2 is provided with bolt hole 11,14 upside-down mountings of the second bolt are in this bolt hole, and be provided with slideway 102 in the bottom 101 of left socle 100 and right support 200, be provided with chute 103 on the slideway 102, the direction cardinal principle of this chute is perpendicular to the moving direction of hydraulic support, the head of the second bolt 14 places in the chute 103, and can be slidingly matched with it, in installation process, the first Connection Block 1 and the second Connection Block 2 can slide along chute 103 on slideway 102 by the second bolt 14, and then realization adjusted size, after adjusting end, the second bolt 14 is fastening, can realize installing and fixing of climbing ladder apparatus.
Because above-mentioned climbing ladder apparatus has above-mentioned technique effect, therefore, this hydraulic support also possesses corresponding technique effect, and the specific implementation process of its appropriate section is similar to the above embodiments, the specific implementation process of other parts can referring to the relevant description of prior art, not given unnecessary details hereby.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. climbing ladder apparatus is characterized in that:
Described climbing ladder apparatus comprises the first Connection Block (1), the second Connection Block (2), the first ladder (3) and the second ladder (4);
Described the first ladder (3) and described the second ladder (4) include two the first support bars, described two the first support bars are bending structure and are arranged side by side, be hinged with at least one first cat ladder bar (35) between two the first support bars of described the first ladder (3) and/or described the second ladder (4), the first end of two the first support bars of described the first ladder (3) cooperates with described the first Connection Block (1) rotation, the rotation of the first end of two the first support bars of described the second ladder (4) and described the second Connection Block (2) cooperates, and the second end of two the first support bars of described the first ladder (3) stretches with the second end of two the first support bars of described the second ladder (4) respectively and cooperates.
2. climbing ladder apparatus as claimed in claim 1, it is characterized in that: described climbing ladder apparatus also comprises two telescopic tubes (5) that are arranged side by side; The second end of two the first support bars of described the first ladder (3) is connected to an end of described two telescopic tubes (5), and the second end of two the first support bars of described the second ladder (4) respectively telescopically is sheathed in the other end of described two telescopic tubes (5).
3. climbing ladder apparatus as claimed in claim 2 is characterized in that: offer telescopic chute (57) on the sidewall of at least one telescopic tube (5); The second end that is sheathed on the first support bar in this at least one telescopic tube (5) is installed with limited block (41), and described limited block (41) is inserted in the described telescopic chute (57).
4. climbing ladder apparatus as claimed in claim 2 is characterized in that: described climbing ladder apparatus also comprises and is sheathed on movably respectively the outer external member (51) of described two telescopic tubes (5), is articulated in the second cat ladder bar (53) between these two external members (51) and is arranged at the first detent mechanism between these two external members (51) and described two telescopic tubes (5).
5. climbing ladder apparatus as claimed in claim 1, it is characterized in that: two the first support bars of described the first ladder (3) and/or described the second ladder (4) offer at least one pair of elongated hole (37) and offer connecting hole in the position perpendicular to this elongated hole (37) at its relative position, and the two ends of described the first cat ladder bar (35) are positioned at this a pair of elongated hole and are connected with the first bolt (38) that is installed on this connecting hole.
6. such as each described climbing ladder apparatus of claim 1 to 5, it is characterized in that:
Two the first support bars of described the first ladder (3) and described the second ladder (4) include the first connection rotating shaft (31), elbow (32) and the first sleeve pipe (34), and an end of an end of described the first sleeve pipe (34) and described elbow (32) removably connects;
The other end of two the first sleeve pipes of described the first ladder (3) cooperates with the other end of two the first sleeve pipes of described the second ladder (4) is flexible, the other end of two elbows of described the first ladder (3) cooperates with described the first Connection Block (1) rotation by the first connection rotating shaft of described the first ladder (3) respectively, and the other end of two elbows of described the second ladder (4) cooperates with described the second Connection Block (2) rotation by the first connection rotating shaft of described the second ladder (4) respectively.
7. such as each described climbing ladder apparatus of claim 1 to 5, it is characterized in that:
Described the first Connection Block (1) and described the second Connection Block (2) include two mounting bases (10) that the interval arranges, are fixedly arranged on two the second support bars (15) on these two mounting bases (10) and be fixedly arranged on the 3rd cat ladder bar (16) between these two second support bars (15) side by side.
8. climbing ladder apparatus as claimed in claim 7 is characterized in that:
The top of described two the second support bars (15) is tubular structure, and described climbing ladder apparatus also comprises the 3rd ladder (6) and the 4th ladder (7);
Described the 3rd ladder (6) and described the 4th ladder (7) include two the 3rd support bars (62) that are arranged side by side and are connected in the 4th cat ladder bar (63) between these two the 3rd support bars (62);
The bottom telescopically of two the 3rd support bars of the 3rd ladder (6) is sheathed in the top of two the second support bars of described the first Connection Block (1), the top of two the 3rd support bars of the 3rd ladder (6) cooperates with the first end rotation of two the first support bars of the first ladder (3) respectively, is provided with the second detent mechanism between the top of two the second support bars of the bottom of two the 3rd support bars of the 3rd ladder (6) and described the first Connection Block (1);
The bottom telescopically of two the 3rd support bars of the 4th ladder (7) is sheathed in the top of two the second support bars of described the second Connection Block (2), the top of two the 3rd support bars of the 4th ladder (7) cooperates with the first end rotation of two the first support bars of the second ladder (4) respectively, is provided with the 3rd detent mechanism between the top of two the second support bars of the bottom of two the 3rd support bars of the 4th ladder (7) and described the second Connection Block (2).
9. hydraulic support, it is characterized in that: described hydraulic support comprises left socle (100), right support (200) and each described climbing ladder apparatus of claim 1 to 8, and first Connection Block (1) of described climbing ladder apparatus and the second Connection Block (2) are installed on respectively on described left socle (100) and the described right support (200).
10. hydraulic support as claimed in claim 9 is characterized in that: be provided with slideway (102) on described left socle (100) and the described right support (200), be provided with chute (103) on the described slideway (102); The upper upside-down mounting of described the first Connection Block (1) and described the second Connection Block (2) has the second bolt (14), described the first Connection Block (1) and described the second Connection Block (2) lay respectively on the slideway (102) of described left socle (100) and described right support (200), and the head of described the second bolt (14) is positioned at described chute (103) and is slidingly matched with it.
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CN201210479402.5A CN102966303B (en) | 2012-11-22 | 2012-11-22 | Ladder stand device and hydraulic support |
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CN102966303B CN102966303B (en) | 2015-06-10 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103437698A (en) * | 2013-08-26 | 2013-12-11 | 国家电网公司 | Retractable insulating ladder for overhaul at high altitude |
CN107619009A (en) * | 2017-09-28 | 2018-01-23 | 郑州科净环境工程有限公司 | A kind of central air-conditioning filter element replacing instrument |
CN113847071A (en) * | 2021-10-19 | 2021-12-28 | 安徽理工大学 | Adjustable pedal applied to coal mining hydraulic support |
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CN2266651Y (en) * | 1996-09-11 | 1997-11-05 | 叶进文 | Working platform for ladder |
WO2007089137A2 (en) * | 2006-02-03 | 2007-08-09 | Lampe Holding B.V. | A plastic platform for a foldable ladder, a ladder with telescopical sections and a ladder with a stabilizer beam |
CN202273584U (en) * | 2011-09-01 | 2012-06-13 | 青岛捷马机电设备有限公司 | Multifunctional folding ladder |
CN202300186U (en) * | 2011-10-28 | 2012-07-04 | 广东伟经金属制造有限公司 | Novel hinge and multi-functional ladder applying same |
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PL163436B1 (en) * | 1990-10-24 | 1994-03-31 | Rybnicka Sp Weglowa Sa Kopalni | Open-end/shortwall self-advancing roof support for protecting the roof and side wall in highly inclined foreheads of hard coal deposits |
CN2266651Y (en) * | 1996-09-11 | 1997-11-05 | 叶进文 | Working platform for ladder |
WO2007089137A2 (en) * | 2006-02-03 | 2007-08-09 | Lampe Holding B.V. | A plastic platform for a foldable ladder, a ladder with telescopical sections and a ladder with a stabilizer beam |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN103437698A (en) * | 2013-08-26 | 2013-12-11 | 国家电网公司 | Retractable insulating ladder for overhaul at high altitude |
CN107619009A (en) * | 2017-09-28 | 2018-01-23 | 郑州科净环境工程有限公司 | A kind of central air-conditioning filter element replacing instrument |
CN113847071A (en) * | 2021-10-19 | 2021-12-28 | 安徽理工大学 | Adjustable pedal applied to coal mining hydraulic support |
CN113847071B (en) * | 2021-10-19 | 2024-04-16 | 安徽理工大学 | Adjustable pedal applied to coal mining hydraulic support |
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