CN201170060Y

CN201170060Y - Armrests type safe combined vertical ladder

Info

Publication number: CN201170060Y
Application number: CNU2008200553813U
Authority: CN
Inventors: 范兆骥
Original assignee: SHANGHAI WESTRI INDUSTRIAL Co Ltd
Current assignee: Shanghai Austri Wind Power Technology Co., Ltd.
Priority date: 2008-02-03
Filing date: 2008-02-03
Publication date: 2008-12-24
Anticipated expiration: 2018-02-03

Abstract

The utility model discloses a handrail type safe combined vertical ladder, comprising upright posts, foot pressing levers and handrails. The vertical ladder is characterized in that each H-shaped upright post consists of a front end groove and a rear end groove; a left flanging and a right flanging are respectively extended inwardly on a left sidewall and a right side wall of the front end groove; the width of the left flanging is more than that of the right flanging; holes corresponding to notches are uniformly arranged on the bottom of the groove; a safety catch is slidably connected with the internal of the groove; opposite holes are uniformly arranged on a left sidewall and a right sidewall of the rear end groove; each foot pressing lever is serially arranged in the hole; a left end and a right end of the foot pressing lever are respectively fixed with the left handrail and the right handrail which are C-shaped; a left connecting flat plate and a right connecting flat plate, on which bolt holes are uniformly arranged, are fixed to the outer side of the end part at the upper end of the left handrail and the right handrail; the left flanging and the right flanging which are inward and each has slop-shaped inner end surface are extended on the left sidewall and the right sidewall; a connecting member is embedded inside the rear end groove; the connecting member consists of a connecting board, bolts, and allotype nuts, wherein locating pieces are extended on the two ends and the middle of the connecting board, bolt holes are uniformly arranged on the middle of the connecting board; the bolts are serially arranged at the bolt holes on the connecting board and are provided with a washer respectively; the allotype nuts are embedded inside the rear end groove of the upright post and are connected with bolts, and the two ends of the upper end surface are of a slope shape respectively.

Description

Handrail-type security combination cat ladder

Technical field:

The utility model relates to a kind of cat ladder, particularly relates to a kind of handrail-type security combination cat ladder.

Background technology:

Usually processing and fabricating is by column, the cat ladder that pedal stroke and handrail are formed can run into following problem, a kind of is to add the size of building site according to situ metrology, raw material with certain size are cut and be welded into meet the required requirement of cat ladder column, reprocessing pedal stroke and handrail, be made into cat ladder at last, then, transport on-the-spot the installation again to, another kind is all to transport raw material and machining tool to scene to implement cutting and welding processing on the spot, cat ladder is installed, so all, both caused loaded down with trivial details in the transportation, reduce the cost of manufacture of operating efficiency and raising product again, also weakened the competitiveness of manufacturer on market, and, make processed complex, maintenance difficult.In addition, common cat ladder does not have safety precautions, or supporting disproportionate safety measure, causes the safety, the reliability that reduce in the use.

Summary of the invention:

The purpose of this utility model is that a kind of improved handrail-type security combination cat ladder will be provided, and it not only uses reliably, safety, and, install simple and direct, easy to maintenance.

The utility model proposes following design scheme to achieve the above object: handrail-type security combination cat ladder of the present utility model comprises a column, pedal stroke and handrail, described column is " H " shape, described being " H " shape column by preceding, rear end slot forms, the left side of the preceding end slot of described column, be extended with an inside left side on the right side wall respectively, right flange, the width of described left flange is greater than the width of right flange, be evenly equipped with the relative hole of notch before described on the bottom land of end slot with described preceding end slot, end slot and catching device form and are slidingly connected before described, the left side of described rear end slot, be evenly equipped with relative hole on the right side wall respectively, the left side of described rear end slot, relative place, hole is equipped with described pedal stroke and forms and is connected and fixed on the right side wall, the left side of described pedal stroke, be respectively installed with a left side that is " C " shape on the right part, right handrail and formation are fixedly connected, a described left side, the outside screw of the end, upper end of right handrail is connected with the left side of a uniform bolt hole, the right flat board that connects, the left side of described rear end slot, right side wall is extended with an inside left side respectively, right flange, the inside left side of described rear end slot, the inner face of right flange all is inclined plane shape, setting-in is connected with a connection piece in the described rear end slot, described connector is extended with a positioning block respectively by two ends middle parts and middle part is evenly equipped with the junction plate of bolt hole, string is contained in the bolt that has a packing ring at the bolt hole place on the junction plate, be inlaid in the column rear end slot connect with bolt thread and the upper surface on the two ends special-shaped nut that is inclined plane shape form, be the inside left side of the rear end slot of the two ends of inclined plane shape and described column on the described special-shaped nut upper surface, the inner face that is inclined plane shape of right flange is worked in coordination.

Because the utility model has improved existing cat ladder, adopted the section bar column of " H " shape of homemade being, pedal stroke, handrail and connector, before the column that is " H " shape is divided into, rear end slot, the left side of the rear end slot of column, relative hole cooperates with pedal stroke and is assembled into cat ladder on the right side wall, the rear end slot of column can also cooperate assembling with connector, make column extend to required height by joint, the left side of pedal stroke, suit is the left side of " C " shape on the right part, right handrail, a left side, the outside of the end, upper end of right handrail is by the left side of uniform bolt hole, the right flat board that connects makes handrail extend assembling with column by joint, the structure of the preceding end slot of column is a track, can with the supporting use of catching device, uniform hole is the usefulness of the falcon shape scotch stop of catching device on the bottom land of preceding end slot, to form safety precautions, and, the catching device that is slidingly connected on the track can connect hook going along with and connect for a plurality of operative employees' braces, and make cat ladder and security facilities close two and be one to form an integral body, increased the safety of cat ladder, reliability, simultaneously, save the trouble of establishing track in addition, therefore, rational in infrastructure, load and unload simple and direct, flexible operation, can also significantly promote operating efficiency, reduce product cost, strengthen the competitiveness in market.

Description of drawings:

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.

Fig. 1 is the structural representation of handrail-type security combination cat ladder of the present utility model.

Fig. 2 is the back stravismus schematic diagram of the column of handrail-type security combination cat ladder of the present utility model.

Fig. 3 is that the column of handrail-type security combination cat ladder of the present utility model connects the connector schematic diagram.

Fig. 4 is the sectional drawing along A-A line among Fig. 3.

Fig. 5 is the structural representation of the connector of handrail-type security combination cat ladder of the present utility model.

The specific embodiment:

Below with reference to accompanying drawing handrail-type security combination cat ladder of the present utility model is described in further detail.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the handrail-type security combination cat ladder of this utility model is formed by described column 1, described pedal stroke 2, described handrail and described connector.

Described column 1 is " H " shape, described being the column 1 of " H " shape form by 3,4 of forward and backward end slots.

Be extended with an inside left and right flange 51,52 on the left and right sidewall of the preceding end slot 3 of described column 1 respectively, the width of described left flange 51 is greater than the width of right flange 52, before described on the bottom land of end slot 3 uniform porose 6, described hole 6 is relative with the notch of described preceding end slot 3, and described preceding end slot 3 forms with catching device and is slidingly connected.

The left side of described rear end slot 4, be evenly equipped with relative hole 71 on the right side wall respectively, 72, the left side of described rear end slot 4, relative hole 71 on the right side wall, 72 places are equipped with described pedal stroke 2 and form and are connected and fixed, the left side of described pedal stroke 2, be respectively installed with a left side on the right part, right handrail 81,82, a described left side, right handrail 81,82 are " C " shape, described being " C " shape a left side, right handrail 81,82 with the left side of described pedal stroke 2, the right part forms and is fixedly connected, a described left side, right handrail 81, the outside screw of 82 end, upper end is connected with a left side, the right flat board 91 that connects, 92, a described left side, the right flat board 91 that connects, be evenly equipped with bolt hole on 92, the left side of described rear end slot 4, right side wall is extended with an inside left side respectively, right flange, the inside left side of described rear end slot 4, the inner face 101 of right flange, 102 all are inclined plane shape, and setting-in is connected with a connection piece in the described rear end slot.

Described connector is extended with a positioning block 111,112 respectively by two ends middle parts and middle part be evenly equipped with bolt hole junction plate 12, the bolt that has a packing ring 13 14 that string is contained in the bolt hole place on the junction plate 12, be inlaid in the special-shaped nut 16 that two ends 151,152 in column 1 rear end slot 4 and bolt 14 thread connection and the upper surface are inclined plane shape and formed, the inner face that is inclined plane shape 101,102 of inside left and right flange that is the rear end slot 4 of the two ends 151,152 of inclined plane shape and described column 1 on described special-shaped nut 16 upper surfaces is worked in coordination.

The described column 1 of handrail-type security combination cat ladder of the present utility model and have certain length, when installing at the scene, only need and to be fixedly connected by described connector formation between each joint column 1, obtain required length, then, left side at described rear end slot 4, relative hole 71 on the right side wall, 72 places string is adorned described pedal stroke 2 and is formed and is fixedly connected, again on the left side of described pedal stroke 2, be set with a left side on the right part, right handrail 81,82 and form and to be connected and fixed, a described left side, right handrail 81, the stretching, extension of 82 length can be by a left side, the right flat board 91 that connects, 92 realize, last and fixed buildings is connected and fixed, in order to guarantee safe production, can make in the preceding end slot 3 that has been placed in described column 1 and form the catching device that is slidingly connected and be connected hook connection going along with operative employee's braces, catching device will moving with the operative employee, in the preceding end slot 3 of described column 1, slide freely, when the operative employee meets accident, the falcon shape scotch of catching device will eject and put in stop in the hole uniform on the bottom land of described preceding end slot 36 because of the gravity of human body, and the operative employee can hold described column 1 conveniently and recover normal condition.

Handrail-type security combination cat ladder of the present utility model is combined into one cat ladder and security facilities, and it is simple for structure, can on-the-spot assembly fast, and the diverse in function flower, and have good safety and reliability.

Claims

1, a kind of handrail-type security combination cat ladder, it comprises a column (1), pedal stroke (2) and handrail, it is characterized in that described column (1) is " H " shape, described being " H " shape column (1) by preceding, rear end slot (3), (4) form, the left side of the preceding end slot (3) of described column (1), be extended with an inside left side on the right side wall respectively, right flange (51), (52), the width of described left flange (51) is greater than the width of right flange (52), be evenly equipped with the relative hole (6) of notch before described on the bottom land of end slot (3) with described preceding end slot (3), end slot (3) forms with catching device and is slidingly connected before described, the left side of described rear end slot (4), be evenly equipped with relative hole (71) on the right side wall respectively, (72), the left side of described rear end slot (4), relative hole (71) on the right side wall, (72) locating to be equipped with described pedal stroke (2) and form is connected and fixed, the left side of described pedal stroke (2), be respectively installed with a left side that is " C " shape on the right part, right handrail (81), (82) also formation is fixedly connected, a described left side, right handrail (81), the outside screw of end, upper end (82) is connected with the left side of a uniform bolt hole, the right flat board (91) that connects, (92), the left side of described rear end slot (4), right side wall is extended with an inside left side respectively, right flange, the inside left side of described rear end slot (4), the inner face (101) of right flange, (102) all be inclined plane shape, setting-in is connected with a connection piece in the described rear end slot, described connector is extended with a positioning block (111) respectively by the middle part, two ends, (112) and the middle part be evenly equipped with the junction plate (12) of bolt hole, string is contained in the bolt that has a packing ring (13) (14) at the bolt hole place on the junction plate (12), be inlaid in the two ends (151) in column (1) rear end slot (4) and bolt (14) thread connection and the upper surface, (152) the special-shaped nut (16) that is inclined plane shape is formed, and is the two ends (151) of inclined plane shape on described special-shaped nut (16) upper surface, (152) with the inside left side of the rear end slot (4) of described column (1), the inner face that is inclined plane shape (101) of right flange, (102) work in coordination.