CN203321305U - Cage ladder stand - Google Patents
Cage ladder stand Download PDFInfo
- Publication number
- CN203321305U CN203321305U CN201320414125XU CN201320414125U CN203321305U CN 203321305 U CN203321305 U CN 203321305U CN 201320414125X U CN201320414125X U CN 201320414125XU CN 201320414125 U CN201320414125 U CN 201320414125U CN 203321305 U CN203321305 U CN 203321305U
- Authority
- CN
- China
- Prior art keywords
- cat ladder
- cage
- positioning body
- connecting rod
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Ladders (AREA)
Abstract
The utility model relates to construction machine parts, in particular to a cage ladder stand. According to a ladder stand in the prior art, when an operator works, safety accidents are caused by damaged connecting parts very easily, and potential safety hazards exist. According to the cage ladder stand, a cage or a ladder stand is provided with at least one positioning body which is used for enabling the ladder stand to be far away from the wall of the cage. Due to the fact that the ladder stand or the cage is provided with at least one positioning body, after being unfolded, the ladder stand is positioned reliably, the ladder stand can bear larger acting force, and the safety performance of the ladder stand is improved.
Description
Technical field
The utility model relates to the building machinery accessory, relates in particular to the cage cat ladder.
Background technology
Hoist is indispensable a kind of plant equipment in the modern high-rise building work progress, its Main Function is for to be transported to the Construction of High-rise scene by the constructional materials on ground, the conevying efficiency of hoist directly affects the progress of engineering, especially the cage of hoist, main transport structure as hoist, bearing the effect of transporting material, various standards have been done to hoist by country for this reason, so that hoist also can reach the requirement of construction safety in guaranteed efficiency, because the hoist working environment is relatively severe, in order to guarantee the normal operation of cage and cage safe operation, often to be overhauled parts such as cage and guide rails, operating personnel often will climb the cage top and carry out operation for this reason.
Cat ladder of the prior art is generally in order to make cage have larger transport space, all cage is designed to the structure that can draw in, for the operator safety operation, general cat ladder all is arranged on cage inside, the patent No. is the disclosed maintaining ladder of lift of CN200520081259.X, comprise terraced body, both sides at the middle part of terraced body are provided with the binodal movable connecting rod, be provided with the torsion locking bail on the second section of binodal movable connecting rod, both sides, top at terraced body are provided with the single-unit movable connecting rod, the disclosed maintaining ladder of lift of this patent, utilize the binodal movable rod to realize what cat ladder drew in, this structure is used light, but can derive from this patent publication after cat ladder launches, be to utilize to be arranged on the real cat ladder expansion of the connector be connected with connecting rod on cage location, due to operating personnel in when climbing, cat ladder is subject to downward active force, and the active force that cat ladder is subject to is larger, it is very unsafe only by connector, locating cat ladder in specific operation process, if in operating personnel's operation, connector damages and is easy to cause security incident, there is potential safety hazard.
Summary of the invention
The cage cat ladder that the utility model provides, be intended to overcome cat ladder in prior art and locate unstable deficiency.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: the cage cat ladder, comprise the cat ladder that is arranged on the cage wall and the connector between cat ladder and cage wall, be provided with at least one between described cat ladder and cage wall for cat ladder being locked to the locking device on the cage wall, described cage or cat ladder are provided with at least one for making the positioning body of cat ladder away from the cage wall, be provided with at least one connector between described cat ladder and cage wall, described connector one end and cage wall are rotationally connected, and the described connector other end and cat ladder are rotationally connected.
As preferably, described connector comprises connecting rod and is arranged on the pin-and-hole at connecting rod two ends, described connecting rod one end joins by bearing pin and cat ladder, the described connecting rod other end joins by bearing pin and cage, described cage sidewall is provided with projection, described projection is provided with the pin-and-hole suitable with bearing pin, the connector two ends are provided with pin-and-hole, by bearing pin, with cat ladder, with the cage sidewall, be connected, this connected mode connects reliable, cat ladder and connecting rod, and the projection on connecting rod and cage sidewall is flexibly moving, cat ladder launched or draw in easy to operately, laborsaving, having improved operating personnel's operating efficiency.
As preferably, described locking device is active grab, and described active grab reliable lock is easy to operate, only needs to press soon can lock cat ladder with the handle of clamp, and operation is very easy, further improved operating personnel's operating efficiency.
As preferably, described positioning body is vertically set on the cage sidewall, described positioning body is shaped steel, cat ladder launches back link and contacts with positioning body, improved the positioning intensity after cat ladder launches, and described positioning body is shaped steel, makes to locate physical efficiency and bear larger active force, after cat ladder launches, positioning intensity is high, uses safety.
As preferably, between described positioning body and cage sidewall, be provided with for improving the ribs of positioning body intensity, ribs has further improved the positioning intensity after the cat ladder expansion, safer during use.
As preferably, described ribs is arranged on a side relative with connector, has simplified the structure of positioning body, and cat ladder draws in or ribs can the link motion of interference cat ladder while launching, and has reduced the manufacturing cost of cat ladder.
As preferably, the bottom surface that described positioning body is cage, after described cat ladder draws in, bottom is less than or equal to the length of connecting rod apart from the distance of cage inside bottom surface, positioning body with the cage bottom surface as cat ladder, during operating personnel's operation, the cat ladder location is more reliable, has saved simultaneously on the cage sidewall positioning body is set, and has simplified the cat ladder structure, that has reduced cat ladder causes this, safer when cat ladder is used.
As preferably, after described cat ladder draws in, bottom equals the length of connecting rod apart from the distance of cage inside bottom surface in cage, and after cat ladder launches, connecting rod is perpendicular to the cage sidewall, and after cat ladder launches, location is more reliable, has improved the security performance of cat ladder.
As preferably, the bottom of described cat ladder is provided with folding positioning body, and described positioning body height equals the length of connecting rod, this designs simplification the structure of cat ladder, reduced the manufacturing cost of cat ladder.
As preferably, the folding direction of described positioning body and cat ladder plane are in same plane, and cat ladder takies less space after drawing in, has improved the conevying efficiency of cage.
The cage cat ladder that the utility model provides, have following advantage: cage or cat ladder are provided with at least one for making the positioning body of cat ladder away from the cage wall, owing to being provided with at least one positioning body on cat ladder or cage, after cat ladder launches, location is reliable, cat ladder can bear larger active force, has improved the security performance of cat ladder.
The accompanying drawing explanation
Accompanying drawing 1 is the front view of the utility model cage cat ladder,
Accompanying drawing 2 is left intentions of the utility model cage cat ladder,
Accompanying drawing 3 is the schematic diagrames after the utility model cage cat ladder launches,
Accompanying drawing 4 is schematic diagrames of the utility model cage cat ladder embodiment bis-,
Accompanying drawing 5 is schematic diagrames of the utility model cage cat ladder embodiment tri-.
Shown in figure 1, cat ladder, 11, vertical bar, 2, connector, 3, locking device, 4, positioning body, 5, cage.
The specific embodiment
Operating principle of the present utility model is: cat ladder 1 is by connecting rod and cage 5 sidewall edge joints, connected mode is for being rotationally connected, be that cat ladder 1 can move up or down under external force, cat ladder 1 distance apart from the cage wall in moving process can draw near or from the close-by examples to those far off, when connecting rod is vertical with the cage wall, farthest, connecting rod can make cat ladder 1 more and more nearer apart from the cage wall after crossing the position vertical with the cage wall to the distance of cat ladder 1 and cage wall, realizes that thus cat ladder 1 launches or draws in.
Embodiment mono-
Below in conjunction with accompanying drawing, cage cat ladder of the present utility model is described further.As Fig. 1, Fig. 2, shown in Fig. 3, the cage cat ladder, comprise the cat ladder 1 that is arranged on the cage wall and the connector 2 between cat ladder 1 and cage wall, be provided with two between described cat ladder 1 and cage wall for cat ladder 1 being locked to the locking device 3 on the cage wall, in order to make locking device 3 there is better locking effect, described locking device 3 is arranged on the middle part of cat ladder 1, be separately positioned on 1 two vertical bars 11 of described cat ladder, described locking device 3 is active grab, the active grab locking effect is good, easy to operate, described cage 5 is provided with two for making the positioning body 4 of cat ladder 1 away from the cage wall, be provided with four connectors 2 between described cat ladder 1 and cage wall, in order to make connector 2 there is bonding strength preferably, the two ends up and down of 1 liang of vertical bar 11 of described cat ladder all are provided with connector 2, described connector 2 one ends and cage wall are rotationally connected, described connector 2 other ends and cat ladder 1 are rotationally connected, described connector 2 comprises connecting rod and is arranged on the pin-and-hole at connecting rod two ends, described connecting rod one end joins by bearing pin and cat ladder 1, the described connecting rod other end joins by bearing pin and cage 5, described cage 5 sidewalls are provided with projection, described projection is provided with the pin-and-hole suitable with bearing pin, cage 5 is provided with two for making the positioning body 4 of cat ladder 1 away from the cage wall, described positioning body 4 is arranged on cage 5 sidewalls and connecting rod junction, described positioning body 4 is positioned at the below of connecting rod, owing to being provided with two positioning bodies 4 on cat ladder 1 or cage 5, after cat ladder 1 launches, location is reliable, cat ladder 1 can bear larger active force, improved the security performance of cat ladder 1.
Positioning body 4 in the present embodiment is arranged on cage 5, it is the below that positioning body 4 is positioned at connecting rod and cage 5 sidewall junctions, positioning body 4 improves cat ladder 1 positioning intensity during for limiting rod slewing area and operating personnel's operation, so positioning body 4 is arranged on the below of connecting rod and cage 5 sidewall junctions, after cat ladder 1 launches to put in place, positioning body 4 limiting rods are rotated further, and realize the purpose of location cat ladder 1.
The course of work of the present embodiment is: when cat ladder 1 is subject to active force upwards, cat ladder 1 moves up around the junction of connecting rod and cage 5 sidewalls, cage 5 is transitioned into rounding state from deployed condition, after cat ladder 1 and cage 5 sidewall contacts, with active grab, cat ladder 1 is locked on the cage wall, after active grab is released, cat ladder 1 is under the gravity or the effect of external force of self, cat ladder 1 moves down around the junction of connecting rod and cage 5 sidewalls, when turning to while contacting with positioning body 4, connecting rod positioned by 4 pairs of cat ladders 1 of positioning body, be positioning body 4 limiting rod slewing areas, thereby cat ladder 1 is positioned on expanded position, after launching, cat ladder 1 under External Force Acting, can not move up not having due to gravity, after so cat ladder 1 launches without locking, after cat ladder 1 draws in, under Action of Gravity Field, can produce mobile, for make cat ladder 1 when the off working state in rounding state, need to be locked cat ladder 1 rounding state.
Further, in order to make positioning body 4 there is higher positioning intensity and positioning precision, described positioning body 4 is vertically set on cage 5 sidewalls, described positioning body 4 is shaped steel, as i iron, channel-section steel, the shaped steel of the non-circular cross sections such as angle steel, because the shaped steel of non-circular cross sections has higher flexural strength, so improved the positioning intensity of positioning body 4, and the positioning body 4 of non-circular cross sections is large with the connecting rod contact area, improved the positioning precision of positioning body 4, operating personnel's operation is safer, after being launched, cat ladder 1 can bear larger active force, described positioning body 4 length should be greater than 1/2 of length of connecting rod, positioning body 4 length are greater than 1/2 of length of connecting rod makes the positioning intensity of positioning body 4 and positioning precision obtain further raising, safer in cat ladder 1 use procedure.
When positioning body 4 is angle steel, the set-up mode of positioning body 4 preferentially adopts cat ladder 1 expansion back link to be positioned at angle steel inside, and this setup improves the positioning precision of positioning body 4, safer in cat ladder 1 use procedure.
When positioning body 4 is channel-section steel, the set-up mode of positioning body 4 preferentially adopts cat ladder 1 expansion back link to be positioned at channel-section steel inside, and this setup improves the positioning precision of positioning body 4, safer in cat ladder 1 use procedure.
In order further to improve the positioning intensity after cat ladder 1 launches, be provided with for improving the ribs of positioning body semi-finals degree the preferred following mode of the set-up mode of described ribs between described positioning body 4 and cage 5 sidewalls:
Mode one, described ribs is arranged on a side relative with connector 2, it is the heteropleural that ribs, connecting rod are positioned at positioning body 4, this setup has improved the positioning intensity of positioning body 4, and ribs, the heteropleural of connecting rod in positioning body 4, connecting rod is not subject to the ribs interference in slewing area, has simplified the structure of cat ladder 1, improve the positioning intensity after cat ladder 1 launches, improved the security performance of cat ladder 1.
Mode two, described ribs is arranged on a side identical with connecting rod, play the effect to the connecting rod guiding in this setup connecting rod rotation process, not there will be skew in the connecting rod rotation process, improve the positioning precision of 4 pairs of connecting rods of positioning body in cat ladder 1 expansion process, improved the security performance of cat ladder 1.
Mode three, describedly all be provided with ribs in relative with connecting rod and relative with a connecting rod side, and this set side's work combines the advantage of mode one and mode two, further improved positioning intensity and positioning precision after cat ladder 1 exhibition, improved the security performance of cat ladder 1.
Embodiment bis-
As shown in Figure 4, the difference of the present embodiment and embodiment mono-is, the bottom surface that described positioning body 4 is cage 5, after described cat ladder 1 draws in, bottom is less than or equal to the length of connecting rod apart from the distance of cage 5 inside bottom surface, has simplified the structure of cat ladder 1, has reduced the manufacturing cost of cat ladder 1, and the positioning body 4 after adopting cage 5 inside bottom surface as cat ladder 1 expansion, after cat ladder 1 launches, location is more firm, has improved the positioning intensity of cat ladder 1, has improved the security performance of cat ladder 1.
Further, after described cat ladder 1 draws in, bottom equals the length of connecting rod apart from the distance of cage 5 inside bottom surface in cage 5, and after this structure cat ladder 1 exhibition, connecting rod is vertical with cage 5 sides, has further improved the security performance of cat ladder 1, safer during operating personnel's operation.
After being launched, cat ladder 1 there is better positioning precision, improve the security performance of cat ladder 1, can be in 1 liang of vertical bar 11 bottom of cat ladder or after cage 5 inwall bottom surface cat ladders 1 launch and cat ladder 1 vertical bar 11 contact positions anti-skid structure is set, improve the security performance of cat ladder 1, described anti-skid structure can be anti-skid design, anti-skidding projection, anti-slip recess etc.
The course of work of the present embodiment is: when cat ladder 1 is subject to active force upwards, cat ladder 1 moves up around the junction of connecting rod and cage 5 sidewalls, cage 5 is transitioned into rounding state from deployed condition, after cat ladder 1 and cage 5 sidewall contacts, with active grab, cat ladder 1 is locked on the cage wall, after active grab is released, cat ladder 1 is subject to the gravity of self, cat ladder 1 moves down around the junction of connecting rod and cage 5 sidewalls, when cat ladder 1 with after cage 5 inwall bottom surfaces contact, be that cat ladder 1 is located rear cat ladders 1 in expanded position by cage 5 inwall bottom surfaces, after launching, cat ladder 1 under External Force Acting, can not move up not having due to gravity, after so cat ladder 1 launches without locking, operating personnel can carry out operation by cat ladder 1, after cat ladder 1 draws in, under Action of Gravity Field, can produce mobile, for make cat ladder 1 when the off working state in rounding state, need to be locked cat ladder 1 rounding state, originally executing example utilizes cage 5 inwall bottom surfaces to position cat ladder 1, simplified the structure of cat ladder 1, and positioning intensity is high, improved the security performance of cat ladder 1.
Embodiment tri-
As shown in Figure 5, the difference of the present embodiment and above-described embodiment one and embodiment bis-is, the bottom of described cat ladder 1 is provided with folding positioning body 4, described positioning body 4 highly equals the length of connecting rod, in this structure, cat ladder 1 gathering direction is to draw in downwards, it is own that locking device 3 after cat ladder 1 draws in is cat ladder 1, after cat ladder 1 draws in because Action of Gravity Field can not move up under External Force Acting useless, after drawing in do not have under External Force Acting not can Automatic-expanding, simplified cat ladder 1 structure, and the stress that is squeezed in positioning body 4 courses of work, be not easy to damage, improved the security performance of cat ladder 1.
The following structure of described folding positioning body 4 preferential selection:
Structure one, the folding mode of described folding positioning body 4 is contraction type, be that the vertical bar 11 of cat ladder 1 can stretch into positioning body 4 realization contractions, also can in positioning body 4, stretch out the realization stretching, when the vertical bar 11 of cat ladder 1 stretches into positioning body 4, vertically bar 11 adds the contraction in length of positioning body 4, cat ladder 1 moves down under Action of Gravity Field, realize that cat ladder 1 draws in, the vertical bar 11 of cat ladder 1 stretches out positioning body 4, vertically bar 11 adds the length lengthening of positioning body 4, cat ladder 1 moves up under external force, realize that cat ladder 1 launches, this structure is in concrete use procedure, cat ladder 1 will be provided for making vertical bar 11 and positioning body 4 to be positioned at the structure of this state at vertical bar 11 and positioning body 4 contact positions when expanded position, could realize that cat ladder 1 can be operated librarian use, can coordinate with bearing pin the structure of pin-and-hole for the structure that makes vertical bar 11 and positioning body 4 be positioned at cat ladder 1 deployed condition, as at vertical bar 11 and positioning body 4 corresponding positions, pin-and-hole is set, in use procedure, adopt the bearing pin suitable with pin-and-hole to run through positioning body 4 and vertical bar 11, because bearing pin runs through positioning body 4 and vertical bar 11, after so cat ladder 1 launches in the situation that do not take off bearing pin, cat ladder 1 can not draw in automatically, only after operating personnel's operation completes, operating personnel take off bearing pin at this time cat ladder 1 just can under gravity or External Force Acting, realize drawing in, after this structure cat ladder 1 launches, positioning intensity is high, improved the security performance of cat ladder 1.
In order to make cat ladder 1 easy to operate, bearing pin can be arranged on to the lower end of cat ladder 1 vertical bar 11, arrange on positioning body 4 and be used for the guide groove that bearing pin can be slided on positioning body 4, the upper end of described guide groove is provided with stop-return slot, cat ladder 1 can located under the power effect to launch when in use procedure, cat ladder 1 needs to launch, and the bearing pin of cat ladder 1 lower end is placed in stop-return slot, cat ladder 1 is locked in deployed condition, when cat ladder 1 needs to draw in, make under external force the bearing pin disengaging stop-return slot that is positioned at stop-return slot get back to guide groove, cat ladder 1 is at gravity or locate can draw under the power effect, this structure operation is convenient, improved operating personnel's operating efficiency.
Further, it is more flexible for cat ladder 1 is used, can on positioning body 4 or vertical bar 11, at differing heights, arrange on a plurality of pin-and-holes or the differing heights on positioning body 4 a plurality of stop-return slots are set, this structure can coordinate to realize regulating the rear effect highly of cat ladder 1 expansion from different pin-and-hole or stop-return slot by bearing pin in concrete use procedure, it is more flexible that this structure is used cat ladder 1, after can making according to the difference of height cat ladder 1 launch, operating personnel in different height, cat ladder 1 is used convenient.
Structure two, the folding mode of described folding positioning body 4 is for tearing curved formula open, be that cat ladder 1 vertical bar 11 lower ends and positioning body 4 are rotationally connected, when cat ladder 1 needs to launch, move up under external force cat ladder 1 and make the vertical bar of cat ladder 1 11 with positioning body 4 on same straight line, at this moment the vertical bar 11 of cat ladder 1 adds the length lengthening of positioning body 4, realized that cat ladder 1 launches, when cat ladder 1 needs to draw in, rotational positioning body 4, at this time the vertical bar 11 of cat ladder 1 adds positioning body 4 contraction in lengths, under gravity or External Force Acting, cat ladder 1 is realized drawing in, due to positioning body 4 with vertical bar 11 for being rotationally connected, when cat ladder 1 during in expanded position, in order to improve the security performance of cat ladder 1, should with positioning body 4 junctions, retaining mechanism be set at vertical bar 11, vertical bar 11 is locked to cat ladder 1 deployed condition with positioning body 4, this structure positioning body semi-finals degree is high can bear larger active force, improved the positioning intensity after cat ladder 1 launches, improved the security performance of cat ladder 1.
Describedly be rotationally connected preferential employing bearing pin and connect, this mode that is rotationally connected is rotated flexibly, makes cat ladder 1 operation expansion or draws in easy to operately, and described retaining mechanism can preferentially adopt following scheme:
Scheme one, described vertical bar 11 arranges the locking hole that runs through vertical bar 11 and positioning body 4 in positioning body 4 and junction with positioning body 4 junctions, this locking hole and pin-and-hole are not same holes, after launching, cat ladder 1 leads to the locking pin suitable with locking hole by vertical bar 11 and positioning body 4 lockings, after cat ladder 1 is launched, the positioning intensity of positioning body 4 is higher, can pull down locking pin after operating personnel's operation, rotational positioning body 4, at this time vertically bar 11 is not that length reduces with positioning body 4 on same straight line, cat ladder 1 is realized drawing in, high and the pin locked that is locked of positioning body semi-finals degree in this structure, climb building in use when not having external force to take off locking pin positioning body 4 can not rotate, do not having cat ladder 1 under External Force Acting not drawn in, improved the positioning intensity after cat ladder 1 launches, improved the security performance of cat ladder 1.
Scheme two, described vertical bar 11 is provided with locking pin with the junction of positioning body 4 by elastic body, described vertical bar 11 is provided with the locking slot suitable with locking pin with positioning body 4 on cat ladder 1 deployed condition intersection, after cat ladder 1 launches, because locking pin is arranged on vertical bar 11 by elastic body, described elastic body can be spring etc., pull open locking pin, by locking pin put with locking slot in, vertical bar 11 and positioning body 4 pin locked that is locked at this time, make cat ladder 1 be positioned deployed condition, after operating personnel's operation completes, locking pin can be shifted out to locking slot, at this time positioning body 4 is rotatable, realize that cat ladder 1 draws in, this scheme is easy to operate, improved the positioning intensity after cat ladder 1 launches, improved the security performance of cat ladder 1.
Further, the folding direction of described positioning body 4 and cat ladder 1 plane are in same plane, and after cat ladder 1 draws in, positioning body 4 takies less space, has improved the conevying efficiency of cage 5.
The course of work of the present embodiment is: when cat ladder 1 is subject to active force upwards, cat ladder 1 moves up around the junction of connecting rod and cage 5 sidewalls, cat ladder 1 is transitioned into deployed condition from rounding state, the bottom of described cat ladder 1 is provided with folding positioning body 4, the mobile positioning body 4 that is positioned at cat ladder 1 vertical bar 11 lower ends after cat ladder 1 launches to put in place, the locking retaining mechanism, cat ladder 1 is positioned to locking state, in this structure, cat ladder 1 gathering direction is to draw in downwards, unclamp retaining mechanism running fix body 4 in the gathering process, realized that cat ladder 1 draws in, it is own that locking device 3 after cat ladder 1 draws in is cat ladder 1, after drawing in, cat ladder 1 under External Force Acting, can not move up not having due to Action of Gravity Field, after drawing in do not have under External Force Acting not can Automatic-expanding, simplified cat ladder 1 structure, and cat ladder 1 positioning body 4 is subject in the course of the work is extrusion stress, positioning body 4 is not easy damaged, positioning body 4 positioning intensities are high, improved the security performance of cat ladder 1, extended the application life of cat ladder 1.
These are only the preferred embodiment of the present invention, be intended to embody outstanding technique effect of the present invention and advantage, is not the restriction to technical scheme of the present invention.This area the skill personnel it should be understood that, all modifications of making based on the technology of the present invention content, variation or substitute technology feature all should be covered by the technology category of claims opinion of the present invention.
Claims (10)
1. cage cat ladder, comprise the cat ladder (1) that is arranged on cage (5) wall and the connector (2) between cat ladder (1) and cage (5) wall, it is characterized in that: be provided with at least one between described cat ladder (1) and cage (5) wall for cat ladder (1) being locked to the locking device (3) on cage (5) wall, described cage (5) or cat ladder (1) are provided with at least one for making the positioning body (4) of cat ladder (1) away from cage (5) wall, be provided with at least one connector (2) between described cat ladder (1) and cage (5) wall, described connector (2) one ends and cage (5) wall are rotationally connected, described connector (2) other end and cat ladder (1) are rotationally connected.
2. cage cat ladder according to claim 1, it is characterized in that: described connector (2) comprises connecting rod and is arranged on the pin-and-hole at connecting rod two ends, described connecting rod one end joins by bearing pin and cat ladder (1), the described connecting rod other end joins by bearing pin and cage (5), described cage (5) sidewall is provided with projection, and described projection is provided with the pin-and-hole suitable with bearing pin.
3. cage cat ladder according to claim 1, it is characterized in that: described locking device (3) is active grab.
4. cage cat ladder according to claim 1, it is characterized in that: described positioning body (4) is vertically set on cage (5) sidewall, and described positioning body (4) is shaped steel.
5. cage cat ladder according to claim 4, is characterized in that: between described positioning body (4) and cage (5) sidewall, be provided with for improving the ribs of positioning body (4) intensity.
6. cage cat ladder according to claim 5, it is characterized in that: described ribs is arranged on a side relative with connector (2).
7. cage cat ladder according to claim 1, it is characterized in that: described positioning body (4) is the bottom surface of cage (5), after described cat ladder (1) draws in, bottom is less than or equal to the length of connecting rod apart from the distance of cage (5) inside bottom surface.
8. cage cat ladder according to claim 7 is characterized in that: after described cat ladder (1) draws in, bottom equals the length of connecting rod apart from the distance of cage (5) inside bottom surface.
9. cage cat ladder according to claim 1, it is characterized in that: the bottom of described cat ladder (1) is provided with folding positioning body (4), and described positioning body (4) highly equals the length of connecting rod.
10. cage cat ladder according to claim 9, it is characterized in that: the folding direction of described positioning body (4) and cat ladder (1) plane are in same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320414125XU CN203321305U (en) | 2013-07-10 | 2013-07-10 | Cage ladder stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320414125XU CN203321305U (en) | 2013-07-10 | 2013-07-10 | Cage ladder stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203321305U true CN203321305U (en) | 2013-12-04 |
Family
ID=49660668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320414125XU Expired - Fee Related CN203321305U (en) | 2013-07-10 | 2013-07-10 | Cage ladder stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203321305U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334691A (en) * | 2013-07-10 | 2013-10-02 | 嘉兴市华东建设机械有限公司 | Ladder stand of suspension cage |
| CN110259371A (en) * | 2019-07-03 | 2019-09-20 | 中车西安车辆有限公司 | Tank car manhole ladder bottom end mounting structure and its connector parameter optimization method |
-
2013
- 2013-07-10 CN CN201320414125XU patent/CN203321305U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334691A (en) * | 2013-07-10 | 2013-10-02 | 嘉兴市华东建设机械有限公司 | Ladder stand of suspension cage |
| CN110259371A (en) * | 2019-07-03 | 2019-09-20 | 中车西安车辆有限公司 | Tank car manhole ladder bottom end mounting structure and its connector parameter optimization method |
| CN110259371B (en) * | 2019-07-03 | 2024-04-26 | 中车西安车辆有限公司 | Tank car inner ladder bottom end mounting structure and connecting piece parameter optimization method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9032689B2 (en) | Jacking tower | |
| US9222277B2 (en) | Scissors lift assembly for jacking tower | |
| CN202925866U (en) | Movable lifting work platform | |
| CN201664775U (en) | Long-distance drilling device of top plate | |
| CN101817479A (en) | Be used on the main boom of self-propelled crane, adding the method and apparatus that additional device is unloaded in installation and dismantling | |
| CN203321305U (en) | Cage ladder stand | |
| CN102304975A (en) | Beam bottom reinforcing bar-planting hole forming device | |
| EP2915768A1 (en) | Portal crane | |
| CN204897335U (en) | Novel hanging flower basket for engineering | |
| CN207348480U (en) | High-order structural glass erecting device | |
| CN203461787U (en) | Falling-preventing safe lifting platform | |
| CN103407944A (en) | Anti-falling safety lifting platform | |
| CN202227990U (en) | Beam bottom bar planting hole forming device | |
| CN103334691A (en) | Ladder stand of suspension cage | |
| CN104179518A (en) | Hydraulic support for roadway supporting | |
| CN204151685U (en) | Rear feeding beam formula steel girder segment cantilever Bridge Erector | |
| CN205031817U (en) | Fire -truck telescopic arm structure | |
| KR20140000270U (en) | Rolling ladder with handrail device | |
| KR101006401B1 (en) | Gang Form Lifting Apparatus | |
| CN207829536U (en) | A kind of two layers of rear cantilever type parking equipment | |
| CN204898532U (en) | Move flatcar device with great ease | |
| CN105179538A (en) | Locking device | |
| CN115506706B (en) | Rail maintenance operation platform | |
| CN221761798U (en) | Novel cat ladder for construction site | |
| CN110792464A (en) | Movable support bracket for coal mine excavation roadway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20180710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |