CN206172704U - Extension ladder guardrail - Google Patents
Extension ladder guardrail Download PDFInfo
- Publication number
- CN206172704U CN206172704U CN201621049716.1U CN201621049716U CN206172704U CN 206172704 U CN206172704 U CN 206172704U CN 201621049716 U CN201621049716 U CN 201621049716U CN 206172704 U CN206172704 U CN 206172704U
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- cross bar
- fixed
- horizontal pole
- movable
- limited rack
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Abstract
The utility model belongs to the technical field of the elevator technique and specifically relates to an extension ladder guardrail, protective grating body comprises four independent rail guards, and the rail guard is connected through fixed montant between fixed horizontal pole and the movable cross rod including fixed horizontal pole and movable cross rod, still is connected with a plurality of movable montants between the fixed montant, and fixed horizontal pole includes first section horizontal pole and second section horizontal pole, is connected with with the long transverse lever between first section horizontal pole and the second section horizontal pole, and respectively there is a cavity inside of first section horizontal pole and second section horizontal pole, and is unanimously big or small with the internal diameter of the external diameter of long transverse lever and cavity, the both ends that add the long transverse lever have one section external screw thread respectively, and first section horizontal pole and second section horizontal pole respectively have one section internal thread with the link that adds the long transverse lever, when needing the length of the fixed horizontal pole of extension, moving in the cavity of fixed horizontal pole through adding the long transverse lever, then will fixing between first section horizontal pole and second section horizontal pole with the long transverse lever through external screw thread and internal thread, it is more convenient to use, connects more steadily.
Description
Technical field
This utility model is related to elevator technology field, especially a kind of extension ladder guardrail.
Background technology
Elevator is more and more important in daily life, in order to avoid operator's pendant when installing or overhauling elevator
Enter hoistway,《Elevator is manufactured and installs safety standard》In indicate：When trapdoor unlatching is overhauled, should prevent personnel from falling
Measure, when machine room ground level differs and differs by more than 0.5m, terraced building or step should be set, and guardrail is set.Car top is prevented
Guardrail is mounted in a kind of preventer above car top, mainly to prevent repair and maintenance personnel from crashing into hoistway when car top works,
Current guard bar structure is complicated, is not easy to install and overhauls, but also there is processing technology, installation process complexity, relatively costly
And most of safety elevator hoistways low away from exceeded or overhead are not applied for, and it is unsatisfactory for the technology of Standard
Problem.
The content of the invention
The purpose of this utility model is：There is provided a kind of mounting process simple, applied widely flexible elevator guardrail.
To solve above-mentioned technical problem, the technical solution adopted in the utility model is as follows：
A kind of extension ladder guardrail, including guard rail body and the safety caging device that is connected with guard rail body, it is described anti-
Guardrail body is made up of four independent guard rails, and the guard rail includes fixed transverse rod and movable cross bar, fixed transverse rod and work
By fixed montant connection between dynamic cross bar, some movable montants are also associated between fixed montant, the fixed transverse rod includes
First paragraph cross bar and second segment cross bar, are connected with plus long transverse lever between first paragraph cross bar and second segment cross bar, and the first paragraph is horizontal
Respectively there is a cavity inside of bar and second segment cross bar, plus long transverse lever is arranged in cavity, plus the external diameter of long transverse lever and cavity
Internal diameter is in the same size；There are respectively one section of external screw thread, first paragraph cross bar and second segment cross bar and lengthening in the two ends of described plus long transverse lever
Respectively there is one section of female thread the connection end of cross bar；
Montant fixed cover is connected with the fixed transverse rod, is threaded connection between montant fixed cover and movable montant；
Safety caging device is connected between the fixed transverse rod and movable cross bar, the safety caging device includes spacing
Frame, is connected with limit sensors on the position-limited rack, limit sensors include mounting seat and spacing ring, are provided with spacing ring
Fixed lid, the fixed lid is connected by screw thread with mounting seat.
Preferably, the movable cross bar includes the first movable cross bar and the second movable cross bar, has work on the fixed montant
Dynamic cross bar adapter sleeve, the first movable cross bar and the second movable cross bar are arranged in movable cross bar adapter sleeve.
Preferably, the position-limited rack includes the first position-limited rack and the second position-limited rack, first position-limited rack and second spacing
The collar is connected on frame, the two ends of the mounting seat are connected with hook.
Preferably, the first link slot and the second link slot are provided with first position-limited rack and the second position-limited rack, it is described
The position of the first link slot and the second link slot and the first movable cross bar and the position consistency of the second movable cross bar.
Preferably, first link slot and the second link slot are in J-type.
Preferably, connected by retaining ring between adjacent guard rail in four independent guard rails.
It is using the beneficial effect of the technical solution of the utility model：
Extension ladder guardrail of the present utility model, is connected with safety caging device, safety between fixed transverse rod and movable cross bar
Stopping means include position-limited rack, and limit sensors are connected with position-limited rack, and limit sensors include mounting seat and spacing ring, limit
Fixed lid is installed, fixed lid is connected by screw thread with mounting seat on the ring of position；By arranging safety caging device, using guardrail
Collapsible structure so that extension ladder guardrail ensure that and elevator hoistways overhead, Er Qie are not interfered with actual motion
Need also play a part of security protection during maintenance, meet Standard, unilateral hoistway space can also be saved in addition.
Respectively there is a cavity inside of first paragraph cross bar and second segment cross bar, plus long transverse lever is arranged in cavity, is lengthened horizontal
The external diameter of bar is in the same size with the internal diameter of cavity；Plus there are respectively one section of external screw thread, first paragraph cross bar and second in the two ends of long transverse lever
Section cross bar respectively has one section of female thread with the connection end for adding long transverse lever；When needing to lengthen the length of fixed transverse rod, by adding long transverse lever
Move in the cavity of fixed transverse rod, then by external screw thread and female thread long transverse lever will be added to be fixed on first paragraph cross bar and second
Between section cross bar, using more convenient, connect more stable.
Description of the drawings
This utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of fixed transverse rod of the present utility model.
In figure：1 fixed transverse rod, 2 fixation montants, 3 movable montants, 4 first paragraph cross bars, 5 second segment cross bars, 6 add long transverse lever,
7 perpendicular upper boom fixed covers, 8 limit sensors, 9 first movable cross bars, 10 second movable cross bars, 11 movable cross bar adapter sleeves, 12 the
One position-limited rack, 13 second position-limited racks.
Specific embodiment
This utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Basic structure of the present utility model is only illustrated in a schematic way, therefore it only shows the composition relevant with this utility model.
As depicted in figs. 1 and 2, a kind of extension ladder guardrail, including guard rail body and the safety being connected with guard rail body
Stopping means, guard rail body is made up of four independent guard rails, and guard rail includes fixed transverse rod 1 and movable cross bar, fixed
Connected by fixed montant 2 between cross bar 1 and movable cross bar, the structure design of fixed transverse rod 1 and movable cross bar improves protection
The bonding strength on hurdle, improves the safety for using, and between fixed montant 2 some movable montants 3, fixed transverse rod 1 are also associated with
Including first paragraph cross bar 4 and second segment cross bar 5, it is connected between first paragraph cross bar 4 and second segment cross bar 5 plus long transverse lever 6, lengthens
The structure design of cross bar 6, can adjust the length of fixed transverse rod according to practical situation, using more convenient, first paragraph cross bar 4 and the
Respectively there is a cavity inside of two-stage nitration cross bar 5, plus long transverse lever 6 is arranged in cavity, plus the internal diameter of the external diameter of long transverse lever 6 and cavity
It is in the same size；Plus there are respectively one section of external screw thread, first paragraph cross bar 4 and second segment cross bar 5 and plus long transverse lever 6 in the two ends of long transverse lever 6
Connection end respectively have one section of female thread；When needing to lengthen the length of fixed transverse rod, by adding long transverse lever 6 in the cavity of fixed transverse rod
Interior movement, then will add long transverse lever to be fixed between first paragraph cross bar 4 and second segment cross bar 5 by external screw thread and female thread, make
With more convenient, connect more stable,
Montant fixed cover 7 is connected with fixed transverse rod 1, is threaded connection between montant fixed cover 7 and movable montant 3；
Connected by montant fixed cover 7 between fixed transverse rod 1 and movable montant 3, use and be more convenient, movable montant 3 is fixed on montant and consolidates
Surely in set 7, install more stable；
Safety caging device is connected between fixed transverse rod 1 and movable cross bar, safety caging device includes position-limited rack, spacing
Limit sensors 8 are connected with frame, limit sensors 8 include mounting seat and spacing ring, fixed lid is provided with spacing ring, Gu
Fixed lid is connected by screw thread with mounting seat；By arranging safety caging device, using guardrail Collapsible structure so that extension ladder
Guardrail ensure that and elevator hoistways overhead not interfered with actual motion, and can also play safety when maintenance is needed
The effect of protection, meets Standard, and unilateral hoistway space can also be saved in addition；
Movable cross bar in this utility model includes the first movable activity of cross bar 9 and second cross bar 10, has on fixed montant 2
Movable cross bar adapter sleeve 11, the first movable activity of cross bar 9 and second cross bar 10 is arranged in movable cross bar adapter sleeve 11；Using this
Structure, installing/dismounting just facilitates, and substantially increases work efficiency.
Position-limited rack in this utility model includes the first position-limited rack 12 and the second position-limited rack 13, the first position-limited rack 12 and second
The collar is connected on position-limited rack 13, the two ends of mounting seat are connected with hook, just can be with by hook and the connection of the collar
The mounting seat of limit sensors is fixed on position-limited rack, it is convenient to use.
The first link slot and the second link slot are provided with the first position-limited rack 12 and the second position-limited rack 13 in this utility model,
The position of the first link slot and the second link slot and the position consistency of the first movable activity of cross bar 9 and second cross bar 10, first connects
, in J-type, using this structure, position-limited rack is more stable with the connection of movable cross bar, and installs more square for access slot and the second link slot
Just.
In order to more easily mount and dismount guard rail, adjacent protection in four independent guard rails in this utility model
Connected by retaining ring between hurdle, retaining ring includes the collar for disconnecting, the gap of the collar is bolted, using this knot
Structure, installing/dismounting is more convenient.
With it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work people
Member can carry out various change and modification in the range of without departing from this utility model technological thought completely.This reality
The content being not limited to new technical scope in description, it is necessary to its technology is determined according to right
Property scope.
Claims (6)
1. a kind of extension ladder guardrail, including guard rail body and the safety caging device being connected with guard rail body, its feature exists
In：The guard rail body is made up of four independent guard rails, and the guard rail includes fixed transverse rod and movable cross bar, fixed
By fixed montant connection between cross bar and movable cross bar, between fixed montant some movable montants, the fixation are also associated with
Cross bar includes first paragraph cross bar and second segment cross bar, is connected between first paragraph cross bar and second segment cross bar plus long transverse lever, described
Respectively there is a cavity inside of first paragraph cross bar and second segment cross bar, plus long transverse lever is arranged in cavity, plus the external diameter of long transverse lever
It is in the same size with the internal diameter of cavity；There is respectively one section of external screw thread at the two ends of described plus long transverse lever, and first paragraph cross bar and second segment are horizontal
Bar respectively has one section of female thread with the connection end for adding long transverse lever；
Perpendicular upper boom fixed cover is connected with the fixed transverse rod, is threaded connection between montant fixed cover and movable montant；
Safety caging device is connected between the fixed transverse rod and movable cross bar, the safety caging device includes position-limited rack,
Limit sensors are connected with the position-limited rack, limit sensors include mounting seat and spacing ring, are provided with spacing ring solid
Fixed lid, the fixed lid is connected by screw thread with mounting seat.
2. a kind of extension ladder guardrail according to claim 1, it is characterised in that：The movable cross bar includes the first movable transverse
Bar and the second movable cross bar, there is movable cross bar adapter sleeve, the first movable cross bar and the second movable cross bar peace on the fixed montant
It is mounted in movable cross bar adapter sleeve.
3. a kind of extension ladder guardrail according to claim 1, it is characterised in that：The position-limited rack include the first position-limited rack and
Second position-limited rack, is connected to the collar, the two ends connection of the mounting seat on first position-limited rack and the second position-limited rack
There is hook.
4. a kind of extension ladder guardrail according to claim 3, it is characterised in that：First position-limited rack and the second position-limited rack
On be provided with the position of the first link slot and the second link slot, first link slot and the second link slot with the first movable cross bar
With the position consistency of the second movable cross bar.
5. a kind of extension ladder guardrail according to claim 4, it is characterised in that：First link slot and the second link slot
In J-type.
6. according to a kind of extension ladder guardrail described in claim 1, it is characterised in that：It is adjacent anti-in four independent guard rails
Connected by retaining ring between guardrail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621049716.1U CN206172704U (en) | 2016-09-12 | 2016-09-12 | Extension ladder guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621049716.1U CN206172704U (en) | 2016-09-12 | 2016-09-12 | Extension ladder guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206172704U true CN206172704U (en) | 2017-05-17 |
Family
ID=58675900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621049716.1U Active CN206172704U (en) | 2016-09-12 | 2016-09-12 | Extension ladder guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206172704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185517A (en) * | 2016-09-12 | 2016-12-07 | 南京雄起电梯有限公司 | A kind of extension ladder guardrail |
-
2016
- 2016-09-12 CN CN201621049716.1U patent/CN206172704U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185517A (en) * | 2016-09-12 | 2016-12-07 | 南京雄起电梯有限公司 | A kind of extension ladder guardrail |
| CN106185517B (en) * | 2016-09-12 | 2019-05-03 | 南京雄起电梯有限公司 | A kind of extension ladder guardrail |
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