CN104818838A - Bracket and ladder and scaffold - Google Patents
Bracket and ladder and scaffold Download PDFInfo
- Publication number
- CN104818838A CN104818838A CN201510194035.8A CN201510194035A CN104818838A CN 104818838 A CN104818838 A CN 104818838A CN 201510194035 A CN201510194035 A CN 201510194035A CN 104818838 A CN104818838 A CN 104818838A
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- support
- connector
- connecting portion
- montant
- vertical portion
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Abstract
The invention provides a bracket; a vertical rod is in cup joint with a connecting piece for fixing a connecting rod; the connecting piece comprises a vertical part in cup joint with the vertical rod, and at least one connecting part connected with the vertical rod; and after the assembly, a contact mode between the connecting piece and the vertical rod is surface connecting surface, so that the connecting strength between the connecting piece and the vertical rod is improved by 30-70%, the safety performance of the bracket in the use process is greatly enhanced, and the use is convenient. The invention provides a ladder; a connecting structure comprises connecting bodies respectively fixed on two brackets, and a main hinge for connecting the two connecting bodies; and the connecting bodies comprise two steel plates and secondary hinges for connecting the two steel plates. The invention provides a scaffold; a pedal comprises a plate, angle steels surrounding the plate, and transverse plates for connecting the angle steels at opposite two sides in the length direction of the plate; and the connecting bodies are fixed on the transverse plates in a detachable connecting manner.
Description
Technical field
The present invention relates to a kind of support and cat ladder and scaffold.
Background technology
Support is a kind of instrument common tool, as overhauled ceiling circuit or maintenance ceiling or maintenance eminence electric light or being all used widely in building field, in concrete use procedure, after support erection is gone up in place, technician can climb on support, carry out associative operation, and support can not damage building in erection process to building or higher than the target location of human body, therefore, application is very extensive.
Support of the prior art comprises the body of rod, this body of rod comprises connecting rod, montant, some supports are also fixed with brace, namely have angle with montant and off plumb rod member, the connection between the described body of rod all adopts anchor ear to connect, because technician needs to climb on support in concrete use procedure, the contact surface of anchor ear and the body of rod is little, easily skid on the body of rod, body of rod location is unreliable, easily causes security incident; In addition, supporting structure of the prior art is simple, and cause cradling function single, it is very inconvenient to use.
Summary of the invention
A kind of support provided by the invention, be intended to overcome locate between the support body of rod of the prior art unreliable, the deficiency of easily skidding.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of support, the connecting rod comprising at least two montants and be arranged between montant, described montant is socketed with the connector of stationary links, described connector comprises the connecting portion that the vertical portion be socketed on montant is connected with connecting rod with at least one, described vertical portion is fixedly connected with connecting portion, and described vertical portion is provided with vertical registration portion position keeper on montant, and described connecting portion is provided with the fixture of stationary links.
As preferably, the axis of described vertical portion and the axes normal of connecting portion; Or the axis of described vertical portion and the axis angle of connecting portion are 20 degree to 80 degree; The axis of vertical portion and the axis angle of connecting portion can be selected as required during specific design, during the axes normal of the axis in montant portion and connecting portion, connecting rod is vertical with montant, on montant after uniform many connecting rods, technician can climb up support easily, carries out correlation technique operation; When support comprises four or four with montant, be 20 degree to 80 degree by the axis angle of the axis and vertical portion that make connecting portion, decrease the use amount of connecting rod and can ensure that support has good intensity, easy to use.
As preferably, described vertical portion is provided with two connecting portions, and the axis of two connecting portions is mutually vertical, and described vertical portion and connecting portion are integral type structure; Described connecting portion is provided with the blind hole of cover connective pole, described connecting portion external surface is also provided with reinforcing rib, described reinforcing rib and connecting portion are integral type structure, by arranging two connecting portions on vertical portion, and the axis of two connecting portions is mutually vertical, when setting up the support of four montants, each connecting portion can fix two connecting rods, reduce the use amount of connector, improve the erection efficiency of support; In addition, by arranging reinforcing rib on connecting portion, improve the intensity of connecting portion, extending the application life of connector.
As preferably, described keeper is dog screw, or, described keeper is alignment pin, the axis of described alignment pin and the axes normal of vertical portion, described vertical portion and montant are equipped with the pin-and-hole wearing alignment pin, described alignment pin two ends are equipped with the limited block preventing alignment pin from skidding off, described limited block is threaded connection and is arranged on alignment pin, this keeper can be dog screw or alignment pin, adopt during dog screw and on the inwall of montant and vertical portion, all decorative pattern can also be set as during keeper, to prevent from skidding between vertical portion and montant, improve the stability of support, when adopting alignment pin, because pin-and-hole can weaken the intensity of montant, therefore adopt during alignment pin and should select thicker montant, but when adopting alignment pin, skidding can not be produced between vertical portion and montant, improve the stability of support.
As preferably, described fixture is hold-down screw; Or, described fixture is steady pin, the axis of described steady pin and the axes normal of connecting portion, described connecting portion and connecting rod are equipped with the pin-and-hole wearing steady pin, described steady pin two ends are equipped with the limit body preventing steady pin from skidding off, and described limit body is threaded connection and is arranged on steady pin, by connector is set to hold-down screw or steady pin, connecting rod is easy to assembly and be fixed on two reliable, improves the erection efficiency of support.
A kind of cat ladder, comprise two supports described above, described support is provided with the syndeton linked together by two supports, described support is above-mentioned support, described syndeton comprises the connector be separately fixed on two supports and the main hinge linked together by two connectors, the secondary hinge that described connector comprises two panels steel plate and linked together by two panels steel plate.
As preferably, described connector is bolted and is arranged on support, described support welding has junction plate, the two panels steel plate of described junction plate and connector is equipped with the bolt hole wearing bolt, and described main hinge is fixed by screws on two connectors, by arranging junction plate on support, connector is connected with support reliably, and easy to assembly, be fixed on support by connector while not weakening support intensity, cat ladder assembling is very convenient.
As preferably, described support comprises at least two montants, the outer bar that described montant comprises hollow-core construction and the interior bar be plugged in outer bar, described outer bar is provided with the lock-screw of bar at least one locking, by montant being set to outer bar and interior bar, the length of montant can regulate easily, and cat ladder carries very convenient and in use can regulate the height of cat ladder easily, easy to use.
A kind of scaffold, comprise two support bodys and be fixed on the foot rest on support body, two support bodys are the structure after being unclamped in main hinge side and connector in above-mentioned cat ladder, described foot rest comprises sheet material, be trapped among angle steel around sheet material and the Bolted angle connection transverse slat together by both sides relative on panel length direction, and described connector is fixed on transverse slat by releasable connection mode.
As preferably, described transverse slat comprises upper plate and lower plate, and described upper plate and lower plate are linked together by connecting bolt; Described support body is separately positioned on the two ends of foot rest, is provided with bracing piece between described support body and foot rest, and described bracing piece one end is fixed on support body, the other end of described bracing piece is fixed in lower plate, by arranging bracing piece, improve the intensity of scaffold, extending the application life of scaffold.
A kind of support provided by the invention, tool has the following advantages: connector montant being socketed with stationary links, and described connector comprises the connecting portion that the vertical portion be socketed on montant is connected with connecting rod with at least one; This connecting rod is directly socketed on montant, and on connector, be also provided with the connecting portion of stationary links, after assembling, the way of contact of connector and montant is face junction, substantially increase the contact area of connector and montant, the technical scheme connected relative to adopting anchor ear in prior art, the bonding strength of connector and montant improves 30% to 70% and greatly increases support security performance in use, easy to use.
A kind of cat ladder provided by the invention, tool has the following advantages: syndeton comprises the connector be separately fixed on two supports and the main hinge linked together by two connectors, the secondary hinge that described connector comprises two panels steel plate and linked together by two panels steel plate, by arranging connector respectively on two supports, and adopt main hinge to be fixed together by two connectors, two connectors adopt secondary gemel connection together by two panels steel plate, cat ladder intensity is high and easy to assembly, carry again after easily cat ladder can being taken apart when carrying, cat ladder carries very convenient, in addition, after being separated with one of them connector by the main hinge of cat ladder, namely two supports are in released state, and then arrange one piece of foot rest cat ladder can be changed into scaffold use, make cat ladder have other function, use very convenient.
A kind of scaffold provided by the invention, tool has the following advantages: foot rest comprises sheet material, be trapped among angle steel around sheet material and the Bolted angle connection transverse slat together by both sides relative on panel length direction, and described connector is fixed on transverse slat by releasable connection mode; By arranging angle steel around foot rest, substantially increasing the intensity of foot rest, improve the security performance of technician when using scaffold; In addition, the intensity of transverse slat after connector is connected with transverse slat, can not be weakened, further increase the security performance of scaffold; Further, to remove after foot rest again by the main gemel connection of two connectors together, namely scaffold can be used as cat ladder and uses, and makes scaffold also have other function, uses very convenient.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of the first structural front view of support of the present invention,
Accompanying drawing 2 is front views of a kind of support the second of the present invention structure,
Accompanying drawing 3 is top views of a kind of support the second of the present invention structure,
Accompanying drawing 4 is front views of a kind of cat ladder of the present invention,
Accompanying drawing 5 is front views of a kind of scaffold of the present invention,
Accompanying drawing 6 is front views of foot rest in a kind of scaffold of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of support of the present invention is described further.As Fig. 1, Fig. 2, shown in Fig. 3, a kind of support, comprise at least two montants 1 and be arranged on the connecting rod 2 between montant 1, described montant 1 is socketed with the connector 3 of stationary links 2, described connector 3 comprises the connecting portion 5 that the vertical portion 4 be socketed on montant 1 is connected with connecting rod 2 with at least one, described vertical portion 4 is fixedly connected with connecting portion 5, described montant 1 and connecting portion 5 can adopt welding manner to be set together, described vertical portion 4 also can be set to integral structure with connecting portion 5, described vertical portion 4 is provided with vertical registration portion 4 position keeper on montant 1, described connecting portion 5 is provided with the fixture 7 of stationary links 2.
See Fig. 1, the axis of described vertical portion 4 and the axes normal of connecting portion 5; This structure is applicable to the support with two montants 1, this support can be used as ladder and uses, therefore, climb conveniently to make technician, the axis of connection is set to the axis perpendicular to vertical portion 4, and in this structure, the position of adjacent two connecting rods 2 can carry out regulating (being namely positioned at the position on montant 1 by keeper adjusting connector 3) easily, uses convenient;
Or see Fig. 2, Fig. 3, the axis of described vertical portion 4 and the axis angle of connecting portion 5 are 20 degree to 80 degree; When support there is the montant 1 of more than three or three and support erection very large time, during in order to reduce the use amount of connecting rod 2 and ensure that support has rational intensity, the axis angle of the axis of connecting portion 5 and montant 1 can be made to be 20 degree to 80 degree, this structure makes support have rational intensity while minimizing connecting rod 2 use amount, improves the erection efficiency of support.
See Fig. 3, when support comprises the montant 1 of more than three or three (axis of three montants 1 is without same vertical guide), the axis that described vertical portion 4 is provided with two connecting portions, 5, two connecting portions 5 is mutually vertical, and described vertical portion 4 is integral type structure with connecting portion 5; Described connecting portion 5 is provided with the blind hole 8 of cover connective pole 2, and described connecting portion 5 external surface is also provided with reinforcing rib, and described reinforcing rib and connecting portion 5 are integral type structure;
Also connecting portion 5 can be set to solid construction during specific design, connecting rod 2 is set to hollow-core construction, then connecting rod 2 is socketed on connecting portion 5, be fixed by fixture 7 again, due to support in use connecting rod 2 also to be subject to active force, therefore, connecting rod 2 should have certain intensity, when adopting the connecting rod 2 of hollow-core construction, described connecting rod 2 should be able to meet the stressed demand of support.
Described keeper 6 is dog screw; Or, described keeper 6 is alignment pin (not shown), the axis of described alignment pin and the axes normal of vertical portion 4, described vertical portion 4 and montant 1 are equipped with the pin-and-hole wearing alignment pin, described alignment pin two ends are equipped with the limited block preventing alignment pin from skidding off, and described limited block is threaded connection and is arranged on alignment pin.
Described fixture 7 is hold-down screw; Or, described fixture 7 is steady pin (not shown), the axis of described steady pin and the axes normal of connecting portion 5, described connecting portion 5 and connecting rod 2 are equipped with the pin-and-hole wearing steady pin, described steady pin two ends are equipped with the limit body preventing steady pin from skidding off, and described limit body is threaded connection and is arranged on steady pin.
The novel disclosed a kind of support of this enforcement is in concrete use procedure: this support can be divided into two types, a kind of is that this support comprises two montants 1 and is connected to connecting rod 2 between montant 1 and vertical with montant 1, this connecting rod 2 should have many and be distributed on montant 1, this support can use by ladder, during assembling, connector 3 is socketed on montant 1, then keeper is adopted to be fixed in place by connector 3, and then connecting rod 2 is plugged on connecting portion 5, and be fixed with fixture 7, namely complete the assembling of support after fixing; Another kind shape of this support is the montant 1 that support comprises more than three or three, all montants 1 form a three-dimensional shape, this structure stand connector 3 used should comprise two connecting portions 5, and the assembling mode of support is identical with the assembling mode of the support with two montants 1; Support adopts the connector 3 be socketed on montant 1 to connect when assembling, montant 1 is large with the contact area of connector 3, and the positioning intensity of connector 3 is high, thus makes support good stability in concrete use procedure.
A kind of cat ladder, as shown in Figure 4, comprise two supports described above, described support is provided with the syndeton 9 linked together by two supports, described support is above-mentioned support, this support is the support with two montants 1, described syndeton 9 comprises the connector 10 be separately fixed on two supports and the main hinge 11 linked together by two connectors 10, connector on two 10 is rotatably connected by main hinge 11, cat ladder can be drawn in, cat ladder is easy to carry, the secondary hinge 13 that described connector 10 comprises two panels steel plate 12 and linked together by two panels steel plate 12, the effect of secondary hinge 13 is for being linked together by two panels steel plate 12, and two panels steel plate 12 can be launched.
See Fig. 4, described connector 10 is bolted and is arranged on support, described support welding has junction plate 14, and the two panels steel plate 12 of described junction plate 14 and connector 10 is equipped with the bolt hole wearing bolt, and described main hinge 11 is fixed by screws on two connectors 10.
See Fig. 4, described support comprises at least two montants 1, the outer bar 15 that described montant 1 comprises hollow-core construction and the interior bar 16 be plugged in outer bar 15, and described outer bar 15 is provided with the lock-screw 17 of bar 16 at least one locking; The coincidence length of described interior bar 16 and outer bar 15 should be not too small, to avoid the intensity weakening support, causes security incident.
See Fig. 4, described outer bar 15 can also arrange body 27 for lengthening lock-screw 17 screwing length arranging lock-screw 17 place, and described body 27 is integral type structure with outer bar 15.
A kind of cat ladder disclosed by the invention, when using as cat ladder, two connectors 10 are fixed together by main hinge 11, to use as cat ladder, in order to improve the security performance of cat ladder, a flexible filaments 26 can also be connected between two stands, to avoid two stands angle excessive, cause security incident; This cat ladder also can use as scaffold after increasing by one piece of foot rest 18; Specifically, take the side of main hinge 11 apart, two supports are separated, and then connector 10 is connected with foot rest 18 respectively, after having assembled, foot rest 18 can be formed; In assembling process, described main hinge 11 can directly be removed from two connectors 10, also can only be removed with one of them connector 10 by main hinge 11; Because connector 10 adopts two block plates 12 to combine and face, connector 10 is bolted and is arranged on support, if foot rest 18 is for during steel plate 12 and when steel plate 12 is welded with angle steel 20, in order to make support and foot rest 18 easy to connect, only a slice steel plate on connector 10 12 and support can be fixed, again another sheet steel plate 12 on connector 10 is fixed with foot rest 18, connected by secondary hinge 13 between two panels steel plate 12, therefore, connector 10 can be connected with foot rest 18, support easily.
A kind of scaffold, as Fig. 5, shown in Fig. 6, comprise two support bodys and be fixed on the foot rest 18 on support body, two support bodys are the structure after being unclamped in main hinge 11 side and connector 10 in above-mentioned cat ladder, described foot rest 18 comprises sheet material 19, be trapped among angle steel 20 around sheet material 19 and the transverse slat 21 linked together by the angle steel 20 of relative both sides on sheet material 19 length direction, and described connector 10 is fixed on transverse slat 21 by releasable connection mode.
See Fig. 5, described transverse slat 21 comprises upper plate 22 and lower plate 23, and described upper plate 22 is linked together by connecting bolt 24 with lower plate 23; Described support body is separately positioned on the two ends of foot rest 18, is provided with bracing piece 25 between described support body and foot rest 18, and described bracing piece 25 one end is fixed on support body, and the other end of described bracing piece 25 is fixed in lower plate 23.
A kind of scaffold disclosed by the invention, the angle steel 20 be trapped among around sheet material 19 only can arrange angle steel 20 in the both sides of sheet material 19 length direction, also can all arrange angle steel 20 in the surrounding of sheet material 19; This scaffold can be made common scaffold and use, and also foot rest 18 can be removed and do cat ladder use, concrete assembly method, see associated description in a kind of cat ladder.
These are only the preferred embodiment of the present invention, being intended to embody outstanding technique effect of the present invention and advantage, is not the restriction to technical scheme of the present invention.Those skilled in the art will appreciate that all amendments made based on the technology of the present invention content, change or substitute technology feature, all should be covered by the technology category of claims of the present invention opinion.
Claims (10)
1. a support, comprise at least two montants (1) and be arranged on the connecting rod (2) between montant (1), it is characterized in that: the connector (3) described montant (1) being socketed with stationary links (2), described connector (3) comprises the connecting portion (5) that the vertical portion (4) be socketed on montant (1) is connected with connecting rod (2) with at least one, described vertical portion (4) is fixedly connected with connecting portion (5), described vertical portion (4) is provided with vertical registration portion (4) in upper position keeper (6) of montant (1), described connecting portion (5) is provided with the fixture (7) of stationary links (2).
2. a kind of support according to claim 1, is characterized in that: the axis of described vertical portion (4) and the axes normal of connecting portion (5); Or the axis of described vertical portion (4) and the axis angle of connecting portion (5) are 20 degree to 80 degree.
3. a kind of support according to claim 1, it is characterized in that: described vertical portion (4) are provided with two connecting portions (5), the axis of two connecting portions (5) is mutually vertical, and described vertical portion (4) and connecting portion (5) are integral type structure; Described connecting portion (5) is provided with the blind hole (8) of cover connective pole (2), and described connecting portion (5) external surface is also provided with reinforcing rib, and described reinforcing rib and connecting portion (5) are integral type structure.
4. a kind of support according to claim 1, is characterized in that: described keeper (6) is dog screw; Or, described keeper (6) is alignment pin, the axes normal of the axis of described alignment pin and vertical portion (4), described vertical portion (4) and montant (1) are equipped with the pin-and-hole wearing alignment pin, described alignment pin two ends are equipped with the limited block preventing alignment pin from skidding off, and described limited block is threaded connection and is arranged on alignment pin.
5. a kind of support according to claim 1, is characterized in that: described fixture (7) is hold-down screw; Or, described fixture (7) is steady pin, the axes normal of the axis of described steady pin and connecting portion (5), described connecting portion (5) and connecting rod (2) are equipped with the pin-and-hole wearing steady pin, described steady pin two ends are equipped with the limit body preventing steady pin from skidding off, and described limit body is threaded connection and is arranged on steady pin.
6. a cat ladder, comprise two supports as claimed in claim 1, described support is provided with the syndeton (9) linked together by two supports, it is characterized in that: described syndeton (9) comprises the connector (10) be separately fixed on two supports and the main hinge (11) two connectors (10) linked together, the secondary hinge (13) that described connector (10) comprises two panels steel plate (12) and linked together by two panels steel plate (12).
7. a kind of cat ladder according to claim 6, it is characterized in that: described connector (10) is bolted and is arranged on support, described support welding has junction plate (14), the two panels steel plate (12) of described junction plate (14) and connector (10) is equipped with the bolt hole wearing bolt, and described main hinge (11) is fixed by screws on two connectors (10).
8. a kind of cat ladder according to claim 6, it is characterized in that: described support comprises at least two montants (1), the outer bar (15) that described montant (1) comprises hollow-core construction and the interior bar (16) be plugged in outer bar (15), described outer bar (15) is provided with the lock-screw (17) of bar (16) at least one locking.
9. a scaffold, comprise two support bodys and be fixed on the foot rest (18) on support body, it is characterized in that: two support bodys are the cat ladder after being unclamped in main hinge (11) side and connector (10) in claim 6, described foot rest (18) comprises sheet material (19), is trapped among the angle steel (20) of sheet material (19) surrounding and the transverse slat (21) linked together by the angle steel (20) of relative both sides on sheet material (19) length direction, and described connector (10) is fixed on transverse slat (21) by releasable connection mode.
10. a kind of scaffold according to claim 9, it is characterized in that: described transverse slat (21) comprises upper plate (22) and lower plate (23), described upper plate (22) and lower plate (23) are linked together by connecting bolt (24); Described support body is separately positioned on the two ends of foot rest (18), bracing piece (25) is provided with between described support body and foot rest (18), described bracing piece (25) one end is fixed on support body, and the other end of described bracing piece (25) is fixed in lower plate (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194035.8A CN104818838A (en) | 2015-04-22 | 2015-04-22 | Bracket and ladder and scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194035.8A CN104818838A (en) | 2015-04-22 | 2015-04-22 | Bracket and ladder and scaffold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104818838A true CN104818838A (en) | 2015-08-05 |
Family
ID=53729298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510194035.8A Pending CN104818838A (en) | 2015-04-22 | 2015-04-22 | Bracket and ladder and scaffold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104818838A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143123A (en) * | 2017-07-11 | 2017-09-08 | 常州市君成机械有限公司 | Edge protection system |
| CN111520063A (en) * | 2020-03-30 | 2020-08-11 | 北京航空航天大学 | Rapid building and assembling module for field operation |
| CN111577112A (en) * | 2020-04-06 | 2020-08-25 | 国网河北省电力有限公司故城县供电分公司 | Special auxiliary assembly of electricity is stolen in looking for |
-
2015
- 2015-04-22 CN CN201510194035.8A patent/CN104818838A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143123A (en) * | 2017-07-11 | 2017-09-08 | 常州市君成机械有限公司 | Edge protection system |
| CN111520063A (en) * | 2020-03-30 | 2020-08-11 | 北京航空航天大学 | Rapid building and assembling module for field operation |
| CN111577112A (en) * | 2020-04-06 | 2020-08-25 | 国网河北省电力有限公司故城县供电分公司 | Special auxiliary assembly of electricity is stolen in looking for |
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Application publication date: 20150805 |
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