TWM467703U - Movable handrail ladder - Google Patents

Description

Mobile handrail ladder

This creation is about a mobile handrail ladder for upper and lower equipment of high-altitude work platforms or ditch shafts. The handrails can be assembled and disassembled, the columns can be stored, and the steps can be displaced. The operators can assemble and disassemble at any time for safety. The stable and simple performance provides the mobile handrail steps for the operator to work up and down.

According to the operator's work place to and from the high platform or the ditches, it is usually necessary to climb the ladder or the A-type ladder, and even climb the body directly with the force of the hands and feet. The physical loss is small, and the safety of the human face is Big. According to Article 29 of the Labor Safety and Health Facilities Regulations: The employer shall set the following steps for the work ladder: 1. For example, in the prime mover and the boiler room, or in the work ladder leading to the workbench around the machine, Its width must not be less than fifty-six centimeters. Second, the slope should not be greater than sixty degrees. 3. The depth of the step surface shall not be less than 15 cm. Fourth, there should be appropriate handrails. According to the provisions of Article 51 of the Safety and Sanitation Standards: When the employer sets up the upper and lower equipment on the construction frame, the stability of each part of the construction frame should be checked. If necessary, the reinforcement should be properly strengthened, and the upper and lower equipment should be erected. Securely attached to the solid part of the building.

In order to save maintenance costs and cheaper, or because of the lack of legal requirements, the employers did not provide appropriate and safe personnel to take the equipment up and down. The existing equipment for the existing work platform is mainly used to set up ladders on the side of the working platform. Or type A ladder, or personnel directly attached to climb; however, the equipment set up by the staff of the set up and down the equipment structure is illegally approved to approve the above equipment, and according to the inspection safety regulations, when the person uses the ladder to go up and down, someone needs to help to stabilize the ladder The rack can be lifted up and down, which is not only time-consuming and labor-intensive, but also has low overall safety.

The reason is that the creators have considered the lack of regulations on the existing high-level work platforms or ditch shafts, and the lack of safety regulations, etc., considering the on-site requirements and safety material regulations, and The personnel of the upper and lower work platforms or the ditches of the ditches and shafts are researched and developed to create a mobile handrail ladder.

The present invention relates to a reciprocating device structure device for a person's upper and lower work platforms or ditches, and the main purpose thereof is to provide a mobile handrail step that is rigid and stable and convenient for assembly and disassembly.

This creation can move the detachable combination of the handrail steps, with a basic 45 degree step climb as a design overview, which can produce different climbing angle steps according to the needs of the site environment. The mobile handrail ladder of this creation is based on Article 29 of the Labor Safety and Health Facilities Regulations and Article 51 of the Safety and Sanitation Standards, which is used to plan the type and material selection to produce the mobile handrail ladder. Safety, stability and portability for ease of use and storage. In addition, the operator uses the handrail ladder to facilitate the work platform to be used as a working platform or to and from the ditches. The handrail steps that are to be erected after the completion of the operation may hinder the operation of the machinery or prevent the person from accidentally squatting the restricted area by using the ladder. The change site is moved to another place for further use, or it is convenient to carry and store after detaching. Therefore, the detachable handrail step is designed, and the erected column is tilted flat and fixed parallel to the outside of the step beam column, thus reducing Many take up space and are easy to carry and store.

In order to achieve the above-mentioned creative purposes, the technical solution adopted by the present invention is to provide a mobile handrail ladder comprising a step, three sets of opposite fixed seats, a plurality of uprights and a plurality of handrails, wherein the handrail steps are both sides Two stepped beams and columns with a 45 degree angle are formed, and a plurality of stepped pedals are welded equidistantly between the stepped beams and columns, and a stepped link is welded to the front end of the stepped beams and columns, and the stepped links are respectively melted on both sides Welding a stepped hook plate to facilitate the climbing of the external stepped connecting rods, wherein the rear end of the stepped beam and the column respectively are combined with a stepped roller bearing plate by a fixing component to carry the weight of the handrail step; the outer side of the stepped beam and column is appropriately spaced Each of the three sets of opposing fixed seats is welded horizontally, and each of the fixed seats is assembled with a vertical column that is perpendicular to the horizontal plane at 90 degrees, and a plurality of armrests extending parallel to the stepped beams and columns are respectively assembled between the respective columns.

After the mobile handrail step completes the main structure, the working site needs to be hooked on the elevated work platform or the shaft flange by using the step hook plate, because the work ladder or the shaft flange for the climbing handrail is not reserved in advance. Specifying the uncertainty of the space, the external hanging plate is pre-designed. The external hanging plate includes two connecting lock plates that are relatively locked on the elevated working platform or the shaft flange, and are inserted into a connecting lock plate by a connecting cross bar. One of the connecting lock plate cross-bar perforations, and then the second safety ring buckle is inserted through a connecting plate cross-bar perforation provided by the other connecting lock plate, and the two ends of the connecting cross-bar are respectively sealed by a cross bar Fixed to prevent the connecting crossbar from falling off, thus completing the production of the external pole.

(1) ‧‧‧Step (11)‧‧‧Step Beams

(111)‧‧‧Step roller plate hole (12)‧‧‧step pedal

(121)‧‧‧fish eye hole (13)‧‧‧ step connecting rod

(14) ‧‧‧step hook plate (141)‧‧‧ claws

(142)‧‧‧ Notch (15)‧‧‧Safe hooks

(16)‧‧‧Step roller plate
(160) ‧ ‧ joints

(161)‧‧‧Rollers
(162)‧‧‧Lock plate

(163) ‧ ‧ joint hole (164) ‧ ‧ opening

(17) ‧‧‧Fixed components (2), (2a) ‧ ‧ fixed seats

(20), (20a) ‧ ‧ notched slots

(21), (21a) ‧ ‧ fixed base plate

(22), (22a) ‧ ‧ fixed seat side panels

(221), (221a) ‧ ‧ column auxiliary hole

(222), (222a) ‧‧‧ column screw fixing hole

(223)‧‧‧ Column storage fixing hole

(23), (23a) ‧ ‧ column storage support plate

(24), (24a) ‧ ‧ column locking plate

(241), (241a) ‧‧ ‧ column locking plate hole

(25), (25a) ‧ ‧ column auxiliary fixing elements

(26), (26a) ‧ ‧ column screw fixing components

(27), (27a) ‧ ‧ column fixing elements

(271), (271a) ‧ ‧ nuts

(3), (3a), (3b) ‧ ‧ columns

(31), (31a), (31b) ‧ ‧ column steel pipe

(311), (311a), (311b) ‧‧ ‧ steel pipe auxiliary fixing holes

(312)‧‧‧Steel tube storage fixing holes

(32), (32a), (32b) ‧ ‧ struts

(321), (321a), (321b) ‧‧‧ column shaft ear hole

(33a), (33b) ‧ ‧ column storage ear

(331a), (331b) ‧ ‧ ‧ column storage fixed ear hole

(34), (34a), (34b) ‧‧ ‧ column lock ears

(341), (341a), (341b) ‧‧ ‧ column locking ear hole

(35), (35a), (35b) ‧ ‧ armrests

(351), (351a), (351b) ‧‧‧Handrails

(352), (352a), (352b) ‧‧‧rail hanger slots

(4) ‧‧‧Handrails (41)‧‧‧Handrails

(42) ‧ ‧ single eye fixation element (421) ‧ ‧ single eye fixation element eyelet

(422)‧‧‧One-eye fixing element screw (423)‧‧‧ brake nut

(43)‧‧‧Rod bearings (431)‧‧‧ shaft holes

(44)‧‧‧Unthreaded monocular fixation element (45)‧‧‧Connected shaft tube

(46) ‧‧‧Stop shaft caps (47)‧‧‧ Steel pipe fixing elements

(5) ‧‧‧External slats (51)‧‧‧ linkage plate

(511)‧‧‧Connection lock plate locking hole (512)‧‧‧Connection lock plate cross bar perforation

(52) ‧‧‧Connection lock plate locking bolts (53)‧‧‧ Connecting rails

(54) ‧ ‧ cross bar seals (55) ‧ ‧ safety buckles

(551)‧‧‧ claws
(552)‧‧‧Handle

(6) ‧‧‧Working platform

Figure 1: A perspective view of the creation.

Figure 2: An exploded view of the creation ladder and the stepped link and the two-step hook plate.

Fig. 3 is a partially enlarged schematic view showing the assembled state of Fig. 2.

Figure 4: An exploded view of the ladder beam and the step roller plate.

Figure 5: An exploded perspective view of the fixed base and the front end of the front end of the creation.

Figure 6-1: Side view of the configuration of the fixed base and the front end of the front end of Figure 5.

Figure 6-2: Schematic diagram of the loosening of the fixed column and the front end of the front end of Figure 6-1.

Figure 6-3: Side view of the column of Figure 6-2.

Figure 7: An exploded view of the fixed seat and the middle column in the middle of the creation.

Figure 8-1: Side view of the configuration of the fixed seat and the middle column in the middle of Figure 7.

Figure 8-2: Schematic diagram of the release of the column in the middle of the figure 8-1 and the fixing seat in the middle.

Figure 8-3: Side view of the column in the middle of Figure 8-2.

Figure 9: An exploded view of the pillars at the rear and back of the creation.

Figure 10: An exploded view of the handrail of the creation.

Figure 11: A perspective view of the column and handrails in the middle of the creation.

Figure 12: An exploded view of the external board and work platform for the creation.

Figure 13: An exploded view of the creation ladder, step linkage and work platform.

Figure 14: Schematic diagram of the ladder folding of the creation on the working platform.

Figure 15: A perspective view of the ladder after the creation of the work is placed on the work platform.

In order to make the technical means of this creation and the effect it can achieve, it can be more complete and clear disclosure. Please elaborate as follows. Please refer to the disclosure and drawing number:

First, please refer to Figures 1 to 4, the mobile handrail steps of the present invention are mainly fixed in the front, middle and rear ends of the load-bearing step beam column (11) outside the step (1). Blocks (2), (2a), the fixed bases (2), (2a) are respectively assembled with a vertical column (3), (3a), (3b) perpendicular to the horizontal plane at 90 degrees, and opposite the two vertical columns ( 3), (3a), (3b) respectively assemble a handrail (4), after the completion of the ladder of the creation of the handrail, suspend it to the external slab (5) for the work of the operator to go up and down with the work of the handrail Ladder, where:

The step (1) comprises two stepped beam columns (11), a plurality of stepped pedals (12), a stepped link (13), two stepped hook plates (14), two safety hooks (15), two steps a roller bearing plate (16) and a fixing component (17) for respectively positioning the step roller bearing plate (16); wherein the two stepped beam columns (11) are arranged in a rectangular parallelepiped shape at a 45 degree angle with respect to the parallel array. On both sides, as the working step load-bearing beam column, a stepped roller bearing plate hole (111) is respectively arranged at the rear end of the two stepped beam columns (11); each stepped pedal (12) plate surface has a plurality of fish eye holes (121) The plate surface is horizontally placed between the two step beams and columns (11), and is relatively welded and fixed between the two step beams and columns (11) according to the design requirement, because each stepped pedal (12) is wide and long. However, it is weak, so at least one angle iron is welded at the center of the bottom surface of each stepped pedal (12) to reinforce its strength, and the person walks back and forth more stably; the step link (13) is welded firmly to the opposite two step beams. Between the leading edges of the column (11), the stepped link (13) and the opposite two stepped beams (11) Before the welding, the stepped link (13) is firstly inserted into the two stepped hook plates (14); the two stepped hook plates (14) are welded to each other at a proper interval and are firmly welded to the stepped link ( 13), the two step hook plates (14) are bent 15 degrees with respect to the two step beams (11), and the two step hook plates (14) are bent inward by 22.5 degrees at the beginning of the setting. Therefore, the opening hooks (141) of the two step hook plates (14) for hooking are exactly 82.5 degrees perpendicular to the horizontal plane, and the function of the 7.5 degree angle is reserved for lifting the handrail steps (1). Or when detaching, the handrail step (1) can be kept in place without sliding after the landing, and the claws (141) at the front end of the handrail step (1) can be inserted or disengaged in the direction to facilitate assembly and disassembly; The welding is respectively fixed to the opposite outer positions of the opening hooks (141) of the step hook plates (14), and is used as a safety buckle (55) respectively provided with the outer hanging plate (5) when the handrail working step is used. Combined with each other (as shown in Figure 3) to prevent the step (1) from being unhooked from the external slat (5), or stepped (1) a safety protection measure for collapse due to severe tilting of the center of gravity; the stepped roller bearing plates (16) are respectively combined with stepped roller bearing plate holes (111) respectively provided at the rear ends of the stepped beams and columns (11), wherein A roller (161) in a fixed direction is assembled in the lower part of the step roller bearing plate (16), and the roller (161) is provided with a brake lock plate (162) to stop or start the movement of the brake roller (161), so as to facilitate the step movement of the movable handrail Carrying, the step roller bearing plate (16) is provided with an opening (164) facing upward and an opposite joint portion (160), and the joint portion (160) is folded into a U shape by a steel plate, and the step roller bearing The end surface of the plate (16) is provided with a coupling hole (163) penetrating through the step roller bearing plate (16), and the opening (164) of the step roller bearing plate (16) facing upward is sufficient to accommodate the flattening of the step beam column (11) Width, so that the coupling hole (163) of the step roller bearing plate (16) is aligned with the step roller bearing plate hole (111), so that the fixing member (17) penetrates the coupling hole (163) and the step roller bearing plate hole (111) The combination of the two (as shown in Figure 4) to carry the overall handrail ladder (1) Carry the weight and complete the ladder (1) assembly.

The front seat fixing seat (2) and the middle and rear end fixing seats (2a) comprise a fixing seat bottom plate (21), (21a), two fixing seat side plates (22), (22a), and a column storage support plate ( 23), (23a), a column locking plate (24), (24a), a column auxiliary fixing element (25), (25a), a column rotating shaft fixing member (26), (26a) and a column fixing Components (27), (27a); see Figures 5 and 7, wherein the fixed base plates (21), (21a) are provided with two spaced apart fixed seat side plates (22), (22a) The fixing side plates (22) and (22a) are respectively provided with a column auxiliary fixing holes (221), (221a) and a column rotating shaft fixing holes (222) and (222a) corresponding to the penetrating, and the reverse mounting is further provided. The front end fixing seat (2) is provided with a column receiving fixing hole (223) extending therethrough, and a column receiving support plate (23) is disposed at an appropriate position before the fixing side plate (22) forms an opening, and the middle portion is The fixing seat side plates (22a) of the rear end are formed at an appropriate position on the front end of the opening, and a column storage support plate (23a) is erected upright, and the front, middle, and A column locking plate (24), (24a) is disposed above the rear end of the fixing bases (2) and (2a), and a column locking plate hole is arranged at the end surface of the column locking plate (24) and (24a) ( 241), (241a), thereby forming a notch groove (20), (20a) of the fixing seat (2), (2a) opening sunroof, forming a space for the column (3), (3a), (3b) And through the column auxiliary fixing bolts (25), (25a), the column rotating shaft fixing members (26), (26a), and the column fixing members (27), (27a) and each of a nut (271), (271a ) The extension is fixed and the fixing seat (2) and (2a) are assembled. The finished fixing seats (2) and (2a) are welded and attached to the front, the middle and the rear side of the step beam (11) according to the required position and orientation, so that the flat stepped beams and columns are 11) It is easy to be in close contact with the fixed side plates (22) and (22a) to increase the welding area, and to assemble and store the columns (3), (3a) and (3b) lightly, and the column at the front end (3) ) It needs to be reversely stored, so the front seat (2) must also be installed in the reverse horizontal direction on the outer side of the front end of the step beam column (11), and the middle and rear fixed seat (2a) will be installed horizontally. .

The column (3) comprises a column steel pipe (31), a column rotating shaft ear (32), a column locking ear (34) and two armrest mounting ears (35); see Figure 5, Figure 6-1 , Fig. 7, Fig. 8-1 and Fig. 9, wherein the column (3) is a column steel pipe (31) mainly composed of a square steel pipe to support the step beam column (11), which is distinguished by the vertical position. The column steel tubes (31), (31a), and (31b) are the front end, the middle, and the rear end. The construction of the column (3), the front column steel pipe (31) is cut according to the required size of each part, and the column of the front end of the steel pipe (31) is provided with a column auxiliary fixing corresponding to the column auxiliary fixing hole (221). The hole (311) is through the column auxiliary fixing component (25) for locking and locking, and the device is provided at the lower edge of the column steel pipe (31) at the front end, and a column (3) is folded and the fixing hole (223) is accommodated with the column. Corresponding steel pipe storage fixing hole (312), the loose column auxiliary fixing component (25) is taken out and then inserted into the lock, and then the column auxiliary fixing hole (311) is taken as the axis, and the axis column steel pipe (31) front belly A column rotating shaft ear (32) is arranged at a lower portion, and a column rotating shaft ear hole (321) corresponding to the column rotating shaft fixing hole (222) is arranged at an end surface of the column rotating shaft ear (32), and the vertical column rotating shaft fixing member is 26) The extension and fixation (such as Figure 6-2 and Figure 6-3), the axis of the column steel tube (31) is placed on the back of the column to form a column locking ear (34), the column locking ear (34) end face There is a locking ear corresponding to the column locking plate hole (241) (341) The column fixing member (27) and the nut (271) are stretched and fixed; the column steel pipes (31a) and (31b) at the middle and the rear end are provided with a column auxiliary corresponding to the column auxiliary fixing hole (221a). The fixing holes (311a) and (311b) are inserted and fixed through the column auxiliary fixing member (25a), and a column screw shaft (32a) is assembled under the front abdomen of the column steel tubes (31a) and (31b). 32b), the end faces of the column rotating shaft ears (32a) and (32b) are provided with a column rotating shaft ear holes (321a) and (321b) corresponding to the column rotating shaft fixing holes (222a), and through the column rotating shaft fixing member (26a) The intermediate and rear pillar steel pipes (31a) and (31b) are provided with locking ear holes corresponding to the column locking plate holes (241a) on the end faces of the column locking ears (34a) and (34b) ( 341a), (341b) for the column fixing member (27a) and the nut (271a) are stretched and fixed, and a column storage fixing ear (33a), (33b) is provided at a middle portion directly below the column locking ears (34a), (34b) ), the column storage fixing ears (33a), (33b) end faces are provided with one After the columns (3a) and (3b) are folded and the column corresponding to the column auxiliary fixing holes (221a) is received, the fixed ear holes (331a) and (331b) are fixed by the column auxiliary fixing member (25a) (for example, 8th). 1, 8-2 shown). The front and rear pillar steel pipes (31) and (31b) are respectively welded to the left and right side of the vertical end of the column shaft ears (34) and (34b), and the two armrest hangers (35), (35b) (Please also refer to Figures 5 and 9); the opposite middle column steel pipe (31a) is welded on the ventral surface and the back side of the vertical pole, respectively, and the two opposite armrests (35a) are erected on the left and right sides, and the ribbed ear straps (35a) Forming a height difference of 45 degrees with the armrest mounting ears (35a) on the back side, and an armrest mounting ear hole (351a) on the end faces of the armrest mounting ears (35a) of the ventral surface and the back side, and the left and right opposite armrest mounting ears (35a) The spacing forms a handrail hanger slot (352a) (see also Figure 7). The artificial column (3) elevation is based on the legally set working platform (6) railing elevation, so the railing and the middle railing are required, so that the upper railing is converted into the handrail of the mobile handrail step (4). Square steel pipes (31), (31a), and (31b) of the column (3), (3a), and (3b) of the present invention are selected from square steel pipes to facilitate the fusion welding assembly as a supporting skeleton for connecting the handrails (4); The columns (3), (3a), and (3b) are constructed in the step of the movable handrail. In order to take into account the stable and solid performance of the handrail (4), the fixed seat is constructed at the relative position before, during, and after the outside of the step beam (11). (2), (2a) to set up columns (3), (3a), (3b). The column steel pipes (31), (31a), and (31b) for constructing the handrail steps (1) are vertically erected, and the welded armrests (35), (35a), and (35b) are relatively horizontal, and the handrails are (4) is a device with a gradient of 45 degrees, due to the difference between the front and rear armrest mounting ears (35a) wheelbase plus the upper steel pipe distance, forming the middle column (3a) before and after welding welding (35a) When the front and rear armrest mounting ears (35a) have a horizontal gap, the column (3) at the front end of the handrail step (1) is reversely stored, and when the tilting column (3) is reversely accommodated, it must be The flat seat is placed on the face of the middle column (3a) which is lying down, so that the fixing seat (2) of the front end reverse device must be fixed at a position higher than the central axis of the step beam column (11), and the middle And the fixing seat (2a) of the rear-end forward device must be fixed at a position where the central axis of the step beam column (11) is low, so that there is a way to make the vertical and reverse lying columns (3), (3a), ( 3b) When the rendezvous overlaps, it can be placed one on top of the other; the front and rear columns (3), (3b) are relatively single-sided welded , the lower armrest mounting ears (35), (35b), and the middle column (3a) is a double-sided welded upper and lower armrest mounting ears (35a).

The armrest (4) comprises a handrail steel tube (41), a single eye fixing component (42), a screw bearing (43), a threadless monocular fixing component (44), a connecting shaft tube (45), and a stopping shaft. Cap (46) and steel pipe fixing member (47); please refer to Fig. 10, wherein the armrest (4) is constructed by using the handrail steel pipe (41) of the round steel pipe as the backbone of the handrail (4), the connecting shaft pipe (45) The diameter of the stop shaft cap (46) is slightly larger than the diameter of the bolt of the unthreaded single eye fixing member (44), and the diameter of the outer frame of the stop shaft cap (46) is slightly smaller than the diameter of the outer frame of the connecting shaft tube (45) The diameter of the outer frame of the connecting shaft tube (45) and the screw bearing (43) is equivalent to the outer diameter of the handrail steel tube (41). The artificial armrest (4) will first engage the shaft tube (45) and will stop. The shaft cap (46) is sequentially slid into the bolt of the unthreaded single-eye fixing component (44), and the cutting surface of the end of the retaining shaft cap (46) and the unthreaded single-eye fixing component (44) are at the intersection position. Make the welding firm, so that the joint between the two is retained between the two sides of the shaft tube (45). After the two weldings are firmly welded, the connecting shaft tube (45) is idling with respect to the unthreaded single-eye fixing member (44), and the leading end of the stopping shaft cap (46) is used as a leading guide to guide the steel tube (41) In the hole diameter, until the connecting shaft tube (45) is inserted into the handrail steel tube (41) at an appropriate depth, the connecting shaft tube (45) is welded and fixed to the handrail steel tube (41), so that the unthreaded single-eye fixing member (44) is opposite to The handrail steel pipe (41) is in an idling state; the other end of the handrail steel pipe (41) is directly inserted into the hole of the handrail steel pipe (41) with a screw bearing (43) at a suitable depth, and the two are welded firmly, and the single eye fixing member (42) The one-eye fixing element screw (422) at one end is screwed into the shaft hole (431) of the brake nut (423) and the screw bearing (43), and the monocular fixing member (42) is provided with a single-eye fixing member eye hole (421), and the single eye The outer frame of the fixing member eyelet (421) is embedded in the space of the armrest hanger slot (352a) so that it can be coupled and locked by a steel pipe fixing member (47), thereby completing the column (3), (3a) ), (3b) and armrest (4) are set up as shown in Figure 11.

The external hanging plate (5) comprises two coupling lock plates (51), a plurality of connecting lock plate locking bolts (52), a connecting cross bar (53), two cross bar ring seals (54) and two safety buckles. (55). Please refer to Fig. 12 and Fig. 13, wherein the external slat (5) is provided with a plurality of coupling lock plate locking holes (511) according to the field working platform (6) or the shaft flange to connect the lock plate. The locking bolt (52) relatively locks the two formed coupling lock plates (51) to the overhead working platform (6) or the shaft flange, and inserts the connecting crossbar (53) into a coupling lock plate (51). A coupling plate crossbar perforation (512) is provided on one side, and then two safety buckles (55) are inserted and then passed through a coupling plate cross-bar perforation provided by the other coupling lock plate (51) ( 512), the two safety buckles (55) are pivoted to the joint lock plate (51) for backup, and then the two ends of the connecting crossbar (53) are respectively welded and fixed by the crossbar ring seal (54) to prevent The connecting crossbar (53) is detached, and the assembly of the external slats (5) is completed; in addition, the two connecting lock plates (51) can also be set in an L shape and connected on the side of the coupling lock plate (51). The locking plate crossbar perforation (512) is relatively locked on the overhead working platform (6) or the shaft flange, and the connecting crossbar (53) is inserted into the L-shaped connecting lock plate (51). Perforated plate locking bar (512) and, for the step (1) can be hung at various locations elevated working platform (6) or the shaft flange.

The creation ladder (1) is hung on the connecting crossbar (53) of the outer slat (5) at an angle of 45 degrees, so that the two safety buckles (55) form a hollow cam shape and are inserted through the outer slat (5). On the connecting crossbar (53), the cam-shaped safety buckle (55) naturally hangs down due to the center of gravity, and the safety buckle (55) has a unilateral shape with a protruding claw (551) and a shank (552). The weight of the hook (551) is delayed by 22.5 degrees with respect to the center of gravity of the safety buckle (55), so that the hook of the safety buckle (55) and the step hook plate (14) are securely hooked. When the buckle (15) is gripped by a cross, the center of gravity of the entire safety buckle (55) is extended by an angle of 22.5 degrees, thereby maintaining the gripping force. The combination process is to rotate the safety buckle (55) so that the short buckle of the safety buckle (55) is aligned with the lower edge of the safety hook (15) installed on the step hook plate (14) to the positioning. , the safety buckle (55) is further rotated, so that the downward facing claw (551) is naturally stacked on the hook of the safety hook (15) upward to form a cross-shaped touch, and the safety hook is fastened. (15) Undertake all the weight and pressure of the safety buckle (55), unless the external force is properly rotated, aligned with the short ring, and the three points are removed at the right time, otherwise the safety buckle (55) will not be with the safety hook (15) Separating; the hook of the safety hook (15) of the step hook plate (14) and the claw (551) of the safety buckle (55) of the connecting crossbar (53) are vertically placed in a cross shape. The step (1) is separated from the hanging plate (5) by an upright vertical movement, and the safety buckle (55) is inverted with the axis of the connecting bar (53) of the outer plate (5), and the manner of moving the two is different. The axes are involved with each other.

The above-mentioned mobile handrail step design is designed to be detachable and assembled, and the fixing elements for the bolts and nuts are made of stainless steel, and the other steels are hot-dip galvanized, so the mobile handrail steps can be stored and placed outdoors. Does not occupy limited indoor space.

For the installation of the mobile handrail step, please refer to Figures 1 to 5 and Figures 12 and 13 for the connection of the external plate (5) to the overhead working platform (6). On the rod (53) or the shaft flange, push the step hook plate (14) at the front end of the step (1) to the lower side of the cutting plate (5), and the step (1) and the outer plate (5) form a vertical opposite state. Push the two safety buckles (55) on the connecting rod (53) of the external slat (5) to each side, and push the two (1) front step ladder hooks (14) From the step (1), the roller (161) of the rear stepped roller bearing plate (16) maintains the ground, so that the step (1) is at an angle of 45 degrees, and the step (1) is slightly advanced to make the step (1) The notch (142) of the front stepped hook plate (14) is aligned with the connecting crossbar (53) of the outer hanging plate (5), and then placed on the two sides to make the two close together, and then the safety buckle is pulled (55) colluding with the safety hook (15) in front of the step hook plate (14) to complete the step (1) combined with the outer plate (5) (as shown in Fig. 3), due to the ladder The notch (141) of the hook plate (14) is bent inward by 22.5 degrees, and forms an angle of 15 degrees with the step beam (11), so the claw (141) of the step hook plate (14) and the connecting crossbar (53) Theoretically there is a contact surface of 172.5 degrees, so that the step (1) can be more stably suspended on the external slat (5); in addition, the safety buckle (55) built by the external slat (5) is matched with the step hook The side of the opening plate (141) of the plate (14) extends at a position of 7.5 degrees below the horizontal axis, and the safety hooks (15) respectively welded at appropriate positions are easily combined with each other by the theory of the key of the switch. It can prevent the handrail step (1) from being accidentally disengaged, and can also help the balance of the handrail step (1) when used. Thereafter, the roller (161) of the step (1) of the rear stepped roller bearing plate (16) is pressed down by the brake lock plate (162), and the locking roller (161) is no longer slid, and the step (1) is completed (as shown in FIG. 1). Shown). Thereafter, the bottom of the column (3) is placed toward the notch groove (20) of the fixing seat (2), and the steel pipe auxiliary fixing hole (311) of the column (3) and the column auxiliary fixing hole of the fixing seat (2) (221) Relatively aligned, the column-assisted fixing element (25) is fixed by fixing (as shown in Figure 6-1); the column (3) is placed in the fixing seat (2), and the column (3) is locked by the column. (34) Also stacked on the column locking plate (24) of the fixing seat (2), the column locking ear hole (341) is aligned with the column locking plate hole (241), and the column fixing member (27) and the nut ( 271) Firmly locked, when the column (3) is placed in the fixing seat (2), the column rotating shaft ear hole (321) of the column (3) is opposite to the column rotating shaft fixing hole (222) of the fixing seat (2). Qi, the column screw fixing component (26) is fixed and fixed, and the combination of the column (3) and the fixing seat (2) is completed in order, and then refer to Figures 7, 10 and 11 and then taken. The armrest (4), the eyelet of the unthreaded monocular bolt (44) in the idling state is inserted into the armrest formed by the adjacent two armrest mounting ears (35a) of the column (3a) The ear slot (352a) is such that the eyelet of the unthreaded single eye fixing component (44) is aligned with the armrest mounting ear hole (351a), and is fixed by the steel pipe fixing component (47), and the armrest (4) is provided with a single eye fixing component ( 42) To the side of the opposite armrest hanger slot (352a), visually measure the pitch by manually rotating the monocular fixing member (42) to advance and retreat the screw, and the eyelet (421) of the monocular fixing member (42) and the armrest mounting hole (351a) In alignment, the steel pipe fixing member (47) is fixedly fixed, and the handrail (4) and the column (3) are connected in sequence, and the handrail steel pipe (41) of the middle handrail (4) is reversely rotated to extend the screw. Support the two ends of the upright column (3), and turn the handrail steel pipe (41) of the upper handrail (4) in the direction of the screw, so that the screw is retracted and the two ends of the column (3) are tightened, and the handrail (4) is topped out in the middle layer. The upper layers are tightened and tightened to each other, creating a solid mobile handrail ladder.

For the removal and storage of the mobile handrail when using it, please refer to Figures 6-2, 6-3 and Figures 11, 14, and 15 to set the handrail (4) and column (3) at the front end of the ladder (1). Disassembly example: firstly rotate the handrail steel pipe (41) of the handrail (4) in reverse order, so that the handrail steel pipe (41) advances and retreats with the single eye fixing component screw (422) of the single eye fixing component (42), thereby undoing the handrail ( 4) The steel pipe fixing member (47) of the handrail steel pipe (41) at both ends is relatively loose and easy to disassemble, so that the handrail (4) is separated from the column (3), and the handrail (4) and the steel pipe fixing member (47) are stored for storage. The box is stored; the second is to remove the column fixing component (27) and the nut (271) by the force of the finger, store it in the storage box, remove the column auxiliary fixing component (25), and vertically erect the column (3). That is to say, the column rotating shaft fixing component (26) is a rotating shaft, and the tilting support is placed on the side of the rotating shaft. Since the device has the intercepting support of the column storage support plate (23), the column (3) does not have the inverted onion image, and the column auxiliary fixing element ( 25) Re-threaded in the column storage fixing hole (223), so that the column is dumped 3) Still fixed to the fixed seat (2) (as shown in Figure 6-3), and placed in parallel with the stepped beam (11) of the step (1), and reassembled by the rear column (1) The operation is omitted for a lot of troubles; the third is to reversely push the safety buckle (55) of the outer hanging plate (5) so as to engage the safety hooks (15) of the step hook plate (14) with the hooks (141) of each other. When disengaged, the groove inside the safety buckle (55) is again moved laterally along the outer convex back of the safety hook (15), so that the two are completely disengaged, and the force of the two people will step the outer plate (5) end. (1) Lift it up to disengage it. At this time, the step (1) or the left or right can be slightly offset. After the space is moved out, the step (1) is placed on the ground, and the step (1) roller is opened. 161) Brake lock plate (162), that is, the mobile handrail can be transported to the storage location by means of a trolley.

According to the above structure and implementation, the author has the following advantages:

1. The mobile handrail ladder of this creation is designed according to the standard of safety and sanitation facilities. The material of the component meets the inspection requirements, the safety performance is superior, and the inspection is unconcerned.

2. The mobile handrail ladder of this creation utilizes the armature structure constructed according to the statutory standard steel pipe, and adopts its rigid material, which is enough to resist the load of 75 kilograms in any direction without the statutory requirement of the strength of significant deformation.

3. The mobile handrail step of this creation is made of flat steel pipe to build the step beam column, which is flat and easy to be in close contact with the side plate of the fixed seat, so as to increase the welding area, so that the column can stand firmly and stand up, and the handrail is not significant. Deformation considerations.

4. The mobile handrail ladder of this creation is designed to meet the needs of the work of the fixed work platform, and the ladder device can be assembled, disassembled, removed and stored quickly, which is different from the device for shaping the handrail. Frequent temporary work is especially convenient and quick.

5. The mobile handrail step of the creation is designed to be quickly disassembled and stored when the storage is carried out. The column is fixed with the column rotating shaft fixing component as a rotating shaft, and placed in parallel and fixed on the outside of the step beam column. The reverse order quickly fixes the assembly and erects it.

6. The mobile handrail step design of this creation conforms the stepped pedal width to the regulations, and the stepped pedal of the fish eye hole is weak due to the width and length. Therefore, the angled iron is welded to the center of the pedal bottom surface to reinforce the strength. It is more stable for people to walk around.

7. The mobile handrail ladder of this creation is designed with stepped rollers to facilitate the handling of the handrail steps, and the roller device has a roller brake lock plate.

8. The mobile handrail ladder design of this creation All the detachable and assembled bolts and fixing components are made of stainless steel, and the other steels are hot-dip galvanized, so the mobile handrail ladder can be stored and placed outdoors. Take up limited indoor space.

9. The mobile handrail ladder of this creation is designed to be installed with a safety buckle on the left and right outer sides of the step hook plate. The combination of the safety hook and the safety hook is based on the key opening and closing principle, and it will not accidentally fall off unless it is intentionally released. The utility model can effectively prevent the movable handrail step from being accidentally disengaged from the outer hanging plate, and at the same time, the two safety buckles are closely penetrated by the connecting cross bar, thereby preventing the worker from going up and down the handrail step, and the center of gravity shifts due to an uncertain factor, resulting in The work handrail steps are tilted or even tipped over. Therefore, the collapsing of the safety buckle and the safety hook is the safety pioneer of the mobile handrail step.

In summary, the present embodiment can achieve the expected efficacy, and the specific structure disclosed is not only seen in similar products, nor has it been disclosed before the application, and has fully complied with the requirements and requirements of the Patent Law.爰Proposing an application for a new type of patent in accordance with the law, and pleading for a review and granting a patent, it is really sensible.

(1) ‧ ‧ steps

(11) ‧‧‧step beam

(12)‧‧‧step pedal

(121)‧‧‧ Fisheye

(13)‧‧‧Step link

(14) ‧‧‧step hook plate

(16)‧‧‧Step roller plate

(161)‧‧‧Rollers

(162)‧‧‧Lock plate

(17)‧‧‧Fixed components

(2), (2a) ‧ ‧ fixed seat

(3), (3a), (3b) ‧ ‧ columns

(4) ‧‧‧Handrails

(41)‧‧‧Handrail steel pipe

(5)‧‧‧External slab

(55) ‧‧‧Safety buckle

Claims (10)

The utility model relates to a mobile handrail step, which comprises a step, the two sides of the step are two stepped beam columns, and a plurality of stepped pedals are arranged between the stepped beams and columns, and a stepped link is arranged at a front end of the stepped beam columns. An opposite step hook plate is respectively disposed on two sides of the stepped link to climb the step link, the step hook plate is provided with an open hook, and a safety hook is respectively disposed on opposite outer sides of the open hook. The safety hook has a hook claw facing upwards, and a step roller bearing plate is respectively disposed at a rear end of the step beam column, wherein a roller in a fixed direction is disposed under the step roller bearing plate, and the roller is provided with a brake roller a locking plate, the stepped roller bearing plate is provided with an opening facing upwards and an opposite engaging portion, wherein the stepped beam column is combined in the opening and combined by a fixing component;
Three sets of opposite fixing seats are disposed on the outer sides of the front, middle and rear ends of the stepped beam columns, the fixing base comprises a fixing base plate and a fixed seat side plate provided with two partitions on the bottom plate of the fixing base, wherein The fixing seat side plates are respectively provided with a column auxiliary fixing hole and a column rotating shaft fixing hole correspondingly penetrating, and the fixing seat at the front end of the reverse mounting portion is provided with a column receiving fixing hole penetrating through, and inside the fixing seat side plates The utility model is provided with a notch groove and an opening above the front end, and a column storage support plate is arranged at the front end of the opening, and a column locking plate is arranged above the rear end of the fixing seat side plate, and the column locking plate is provided with a column lock a fixing hole, and a front pillar receiving support plate is erected at a front end of the opening of the fixing seat at the middle and the rear end;
a column vertically disposed with respect to the front end, the middle portion, and the rear end of the fixing base, wherein each of the columns is respectively provided with a column steel pipe, and the column is disposed below the column steel pipe of the front end and is provided with a column auxiliary fixing corresponding to the column auxiliary fixing hole The hole is provided with a column auxiliary fixing component for fixing and fixing, and a steel pipe receiving fixing hole for the column to be folded and corresponding to the column receiving fixing hole is provided at a lower edge of the column auxiliary fixing hole for the column auxiliary fixing component to be fixed And a column rotating shaft ear is disposed at a lower portion of the front pillar of the front pillar steel pipe, and the column rotating shaft ear is provided with a column rotating shaft ear hole corresponding to the fixing shaft rotating hole of the column for a vertical column rotating shaft fixing component to be fixed, A column locking ear is disposed transversely on the back of the column steel pipe of the front end, and the column locking ear is provided with a locking ear hole corresponding to the hole of the column locking plate for fixing and fixing a column fixing component; The column steel tube is respectively provided with a column storage fixing ear at a middle portion directly below the column locking ear, and the column storage fixing ears are respectively provided with a middle portion and The column of the end is folded and respectively corresponding to the column auxiliary fixing hole, and the fixed column ear hole is fixed for the column auxiliary fixing component, and the front and rear column steel pipes are respectively provided on the end faces of the column screw ear a plurality of armrests; and a plurality of armrests respectively assembled between the pillars and extending parallel to the stepped beam columns, the armrests comprising a handrail steel pipe; and a single eye fixing component disposed inside one end of the handrail steel pipe; a screw bearing at the two ends of the handrail steel tube, the screw bearing at one end of the handrail steel tube for the single eye fixing component to be stretched and fixed; a non-threaded single eye fixing component disposed on the opposite end of the handrail steel pipe; one disposed on the unthreaded single eye a connecting shaft tube at an outer end of the fixing member; a stopping shaft cap disposed at an inner end of the unthreaded single-eye fixing member and adjacent to the screw bearing, wherein the unthreaded single-eye fixing member is disposed on the stopping shaft cap and the armrest The screw bearing at the other end of the steel pipe is idling inside, and a steel pipe fixing component is respectively provided with respect to the single eye fixing component and the connecting shaft pipe Through the plurality of posts connected with the plurality of binding handrail. The mobile handrail step of claim 1, wherein the stepped beam columns are parallel to the parallel array with a rectangular flat steel tube at an angle of 45 degrees, and a stepped roller is respectively disposed at a rear end of the stepped beam columns. The plurality of stepped roller bearing plates are respectively provided with a coupling hole opposite to the stepped roller bearing plate hole, and the fixing bolt extends through the coupling hole and is fixed to the stepped roller bearing plate hole. The mobile handrail step of claim 1, wherein the stepped pedal has a plurality of fisheye holes, and the stepped pedal has at least one angle iron at a central position of a bottom surface thereof. The mobile handrail step of claim 1, wherein the front and rear pillar steel pipes are disposed at a middle portion and a top end of the arm end of the column rotating shaft ear, and the opposite The armrest of the middle pillar steel pipe and the armrest mounting ears of the back surface form a height difference of 45 degrees of inclination axis, and an armrest hanging ear hole is respectively arranged on the end surface of the armrest and the back surface of the armrest, opposite to the armrests Forming a handrail mounting slot between the mounting ears; wherein the inner side of the single eye fixing component is provided with a single eye fixing component screw penetrating into a brake nut and a shaft hole provided by the screw bearing, wherein the single eye fixing component is provided a single eye fixing component eyelet of the armhole mounting hole, the outer frame of the eyelet fixing component eye hole is embedded in the armrest mounting ear slot for the steel pipe fixing component to be fixedly disposed; wherein the outer end of the unthreaded single eye fixing component is provided An eyelet of the eyelet is opposite to the eyelet of the armrest, and the outer frame of the eyelet is embedded in the slot of the armrest for fixing the steel pipe fixing component. The mobile handrail step of claim 4, wherein the column steel pipes are square steel pipes. The mobile handrail step of claim 5, wherein the single eye fixing member and the unthreaded single eye fixing member are provided as bolts. The movable handrail step of claim 1, wherein the handrail steel pipe is a round steel pipe, and the diameter of the connecting shaft pipe and the stopping shaft cap is larger than the diameter of the unthreaded single eye fixing component, and The diameter of the outer frame of the stop shaft cap is smaller than the diameter of the outer frame of the connecting shaft tube, and the diameter of the outer frame of the connecting shaft tube and the screw bearing is equal to the outer diameter of the steel tube of the handrail. The mobile handrail step of claim 1, further comprising an external slat including two connecting lock plates for relatively locking on an overhead work platform or a shaft flange, the connection locks One end of the plate is respectively provided with a connecting plate rail cross-bar perforation; a connecting cross bar is inserted into the connecting plate cross-bar perforation of the connecting plate; the connecting bar is respectively disposed at both ends of the connecting bar and respectively connected to the connecting bar a safety buckle is disposed on the inner side of the lock plate, wherein the safety buckle is provided with a hook claw of the safety hook of the step hook plate, which is a cross-shaped vertical hook; and respectively disposed on the connecting rail A cross-bar seal that is fixed at the end. The movable armrest step of claim 8, wherein the connecting lock plates can be set to an L-shape, and one side of the connecting lock plates is respectively provided with a coupling lock plate cross-bar perforation for relative locking The overhead working platform or the shaft flange is provided for the connecting cross rod to penetrate into the coupling plate cross-bar perforation of the L-shaped connecting lock plates. The mobile handrail step of claim 1, wherein the fixing member, the column auxiliary fixing member, the column rotating shaft fixing member, the column fixing member, and the steel pipe fixing member are set as bolts and nuts .