CN220687225U - Electrical dome type triangular fork ladder - Google Patents

Abstract

The utility model provides an electric dome type triangle fork ladder, includes the ladder body, and the ladder body includes down ladder, middle ladder and last ladder, down ladder, go up the ladder and pin joint with middle ladder respectively, and middle ladder is the telescopic ladder, and the back of down ladder and last ladder all spiro union has a set of pulley, articulates there is the bracing piece, and the top of going up the ladder is provided with puts the thing basket, and the ladder body is provided with handrail and footboard, and the footboard can overturn, puts the thing basket and fixes on the footboard of the uppermost end of ladder body; the telescopic middle ladder is arranged, so that the device can be suitable for electric field operation at different altitudes; the hinged support rods are arranged, so that the support rods can be opened to form a double-layer tripod with the ladder body, the device can be stably supported, and the personal safety of operators in high-altitude operation is ensured; the pedal and the object placing basket can be turned over to be flat with the handrail through the turning pedal and the object placing basket, and are used for placing maintenance tools and measuring tools; through setting up the pulley, make this device can stimulate and be used as the little trailer, portable.

Description

Electrical dome type triangular fork ladder

Technical Field

The utility model relates to the technical field of high-altitude electrical maintenance tools, in particular to an electrical dome type triangular fork ladder.

Background

The utility model provides a transformer overhauls and uses ladder for to the high altitude construction area, its altitude that climbs is great, because operational environment's pressure, the security guarantee of operating personnel is particularly important, contacts with electric power simultaneously, and the conductive paint of many operation ladders is damaged, has the problem of protection against electric shock and drainage. The traditional aloft work mostly uses the form of single rope or double ladder, has restricted the quantity that the operating personnel can carry the used equipment, and double ladder structure is not triangle-shaped stable structure, has certain potential safety hazard.

An electrical maintenance climbing ladder disclosed in CN208220619U, for example, includes a first vertical rod, a second vertical rod, a third vertical rod, a fourth vertical rod, a fixing bolt, a connecting shaft, a fixing box, a telescopic rod, a first cross rod, a second cross rod, a third cross rod, a first connecting block, a second connecting block, a fixing column, a third connecting block and a fourth connecting block, wherein the first vertical rod is connected with the second vertical rod, the third vertical rod is connected with the fourth vertical rod through the fixing box, a fixing column is arranged at the connecting end of one side of the vertical rod, and the fixing box penetrates through the fixing column; round holes are formed in two sides of the fixed box, and the two round holes are connected through bolts; the second vertical rod and the third vertical rod are connected at the top through a connecting shaft. The folding ladder is safe and convenient to use, the fixing box is arranged, the folding ladder can be fixed, the arc-shaped cross rod is arranged, the ladder can be stably fixed on a telegraph pole, the salient points are arranged, the sliding of a person can be prevented, and the support rod is arranged, so that a supporting effect can be provided for the upright ladder; this ladder improvement has set up triangle stable structure, has increased the stable structure of ladder, needs to fix at the wire pole operation, and is more suitable for hollow operation, is unsuitable for high altitude construction, and carries the instrument inconvenient.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the electric dome type triangular fork ladder, which is stable and firm in device, convenient for an overhead operator to stand in an electric field to apply force during operation, and convenient for carrying and carrying tools.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an electric dome formula triangle fork ladder, includes the ladder body, and the ladder body is the metal ladder, and the ladder body includes down the ladder, middle ladder and goes up the ladder, down the ladder, go up the ladder respectively with middle ladder pin joint, middle ladder is the extension ladder, down the equal spiro union in the back of ladder and last ladder have a set of pulley, articulate there is the bracing piece, goes up the top of ladder and is provided with puts the thing basket, puts the thing basket and put the thing basket for the metal.

In the preferred scheme, the lower ladder includes a set of handrail and the footboard of connecting the handrail, and the equal spiro union in a set of handrail back has the pulley, and the pulley is provided with the foot brake, and the handrail back still articulates there is a set of first bracing piece above the pulley.

In the preferred scheme, the footboard pin joint is provided with the round pin axle in the middle of the width direction between a set of handrail inboard at the footboard both ends, and the round pin axle both sides are provided with the elasticity plunger respectively, and the handrail inboard is provided with round pin shaft hole and plunger hole along width direction, and the round pin shaft hole is in the centre, and the plunger hole is in the both sides in round pin shaft hole, and the round pin axle clamps in the round pin shaft hole, and the elasticity plunger clamps in the plunger hole in both sides.

In a preferred embodiment, the plunger hole is a through hole penetrating through the inner side and the outer side of the handrail.

In the preferred scheme, the intermediate ladder contains a plurality of groups of bench, and every group bench includes a set of section of thick bamboo and connects the footboard of two sections of thick bamboo respectively, and a set of section of thick bamboo of every group top bench inserts to cup joint in two sections of adjacent below bench, and the pin joint is fixed.

In a preferred scheme, the cylinder section is a square pipe fitting.

In the preferred scheme, the shell ring is provided with a pin shaft hole and a plunger hole along the width direction, the pin shaft hole is in the middle, the plunger holes are arranged on two sides of the pin shaft hole, the pedal and the shell ring are arranged in the same way as the pedal and the handrail, and the plunger hole is also a through hole and penetrates through the inner side and the outer side of the shell ring.

In the preferred scheme, go up the ladder and include a set of handrail and connect the footboard of handrail, the equal spiro union in a set of handrail back has the pulley.

In the preferred scheme, going up the ladder and still being provided with the footboard near the top, the footboard openly is fixed with puts the thing basket, and the footboard back still articulates along length direction's centre has the second bracing piece, and the second bracing piece is the telescopic link, and its extending structure is the same with the extending structure and the connection fixed mode between connection fixed mode and the shell ring.

The upper ladder is also provided with a pedal close to the top, and a basket is fixed on the pedal.

In the preferred scheme, put the thing basket and contain the platform, platform a week is fixed with the guardrail, and the guardrail is provided with movable opening, puts the thing basket and is provided with electrically conductive inoxidizing coating.

The utility model provides an electric dome type triangular fork ladder, which has the following beneficial effects:

1. the utility model has reasonable design, stable and firm device, is convenient for the working personnel working at high altitude in the electric field to stand, has supporting points on the body of the working personnel, is beneficial to the working and the force application, and is convenient to carry and carry tools.

2. The telescopic body and the telescopic support rod are arranged, so that the device has wider application range, saves space and is convenient to carry, transport and store;

3. the pulley is arranged, so that the device can be dragged and moved, and is convenient to carry and transport;

4. the double-layer support rod and the ladder body form a double-layer triangle structure, so that the device is more stable, and the personal safety of operators is ensured;

5. the support rod and the ladder body are hinged, so that the device can be folded into a whole, the space is saved, and the carrying, the transportation and the storage are convenient;

6. the turnover pedal and the basket are arranged, so that the device is convenient for tools and measuring tools to be realized, is convenient and practical, saves manpower, and can carry more tools and measuring tools at one time;

7. the elastic plunger and the plunger hole are arranged, so that the pedal, the handrail and the cylindrical shell can be fixed, and the safety of the operator in getting on and off the ladder is ensured;

8. the through holes are arranged, so that the pedal can be turned over again, and operators can use the pedal plane and the basket to transport back tools and measuring tools after the operation is completed.

Drawings

The utility model is further described below with reference to the accompanying drawings and examples of implementation:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the ladder body in a contracted configuration;

FIG. 3 is a partial structural elevation view of the shell ring and pedal assembly;

FIG. 4 is a partial structural top view of the shell ring and pedal assembly;

FIG. 5 is a schematic view of a basket;

in the figure: lower ladder 1, middle ladder 2, upper ladder 3, pulley 4, basket 5, first bracing piece 6, second bracing piece 7, handrail 11, footboard 12, shell section 21, platform 51, guardrail 52, round pin axle hole 111, plunger hole 112, round pin axle 121, elasticity plunger 122.

Detailed Description

As shown in fig. 1-5, an electrical dome type triangular fork ladder comprises a ladder body, wherein the ladder body is a metal ladder, the ladder body comprises a lower ladder 1, a middle ladder 2 and an upper ladder 3, the lower ladder 1 and the upper ladder 3 are respectively connected with the middle ladder 2 in a pin joint mode, the middle ladder 2 is an extension ladder, the back sides of the lower ladder 1 and the upper ladder 3 are both connected with a group of pulleys 4 in a threaded mode, support rods are hinged, a storage basket 5 is arranged at the top of the upper ladder 3, and the storage basket 5 is a metal storage basket.

In this embodiment, the lower ladder 1 includes a set of handrails 11 and pedals 12 connected with the handrails 11, the back surfaces of the handrails 11 are all screwed with pulleys 4, and a set of first support rods 6 are hinged on the back surfaces of the handrails 11 above the pulleys 4;

the pedal 12 is pin-connected between the inner sides of a group of armrests 11, a pin shaft 121 is arranged at the middle of the two ends of the pedal 12 along the width direction, elastic plungers 122 are respectively arranged at the two sides of the pin shaft 121, a pin shaft hole 111 and a plunger hole 112 are arranged at the inner sides of the armrests 11 along the width direction, the pin shaft hole 111 is in the middle, the plunger hole 112 is arranged at the two sides of the pin shaft hole 111, the pin shaft 121 is clamped in the pin shaft hole 111, and the elastic plungers 122 are clamped in the plunger holes 112 at the two sides;

the plunger hole 112 is a through hole penetrating the inner side and the outer side of the armrest 11;

the middle ladder 2 comprises a plurality of groups of ladder sections, each group of ladder sections respectively comprises a group of cylinder sections 21 and pedals 12 for connecting the two cylinder sections 21, and one group of cylinder sections 21 of each group of ladder sections above are inserted and sleeved in the two cylinder sections 21 of the adjacent ladder sections below and are fixed by pin joint;

the cylinder section 21 is a square tube piece;

the cylindrical section 21 is provided with a pin shaft hole 111 and a plunger hole 112 along the width direction, the pin shaft hole 111 is arranged in the middle, the plunger hole 112 is arranged at two sides of the pin shaft hole 111, the installation mode of the pedal 12 and the cylindrical section 21 is the same as the installation mode of the pedal 12 and the handrail 11, and the plunger hole 112 is also a through hole and penetrates through the inner side and the outer side of the cylindrical section 21;

the upper ladder 3 comprises a group of handrails 11 and pedals 12 connected with the handrails 11, the back surfaces of the handrails 11 are all in threaded connection with pulleys 4, and the pulleys 4 are provided with foot brakes;

the upper ladder 3 is also provided with a pedal 12 close to the top, a storage basket 5 is fixed on the front surface of the pedal 12, a second supporting rod 7 is hinged in the middle of the back surface of the pedal 12 along the length direction, the second supporting rod 7 is a telescopic rod, and the telescopic structure and the connection fixing mode of the second supporting rod are the same as those of the telescopic structure and the connection fixing mode between the cylinder sections 21;

the basket 5 comprises a platform 51, a guardrail 52 is fixed on the periphery of the platform 51, the guardrail 52 is provided with a movable opening, and the basket 5 is provided with a conductive protective layer.

The specific use is as follows: after the electric dome type triangular fork ladder is installed and debugged, the first support rod 6 and the second support rod 7 are folded, the pedal 12 and the object placing basket 5 are turned to be almost the same plane as the handrail 12 and the cylindrical shell 21, the triangular fork ladder is put flat, two groups of pulleys 4 on the back surfaces of the lower ladder 1 and the upper ladder 3 are placed stably in a grounding mode, the pulleys 4 are stepped on to lock the ladder, then small tools for maintenance are packaged and placed in the object placing basket 5 to be fixed, long large tools and measuring tools are placed on the platform of the pedal 12 to be fixed, then the ladder body is pulled, and the triangular fork ladder, the tools for operation and the measuring tools are transported to the site together; the method comprises the steps of taking tools and measuring tools off a ladder body, measuring the height of an operation site, determining the lengths of a telescopic middle ladder 2 and a second supporting rod 7, extending the middle ladder 2 to the required length, overturning a pedal 12 and a basket 5 to a trample position, clamping an elastic plunger 122 into a handrail 12 and a plunger hole 112 of a shell section 21 to fix, finding an optimal operation position to stand the ladder body, opening a first supporting rod 6 to be fixed on the ground, stretching a second supporting rod 7 to the required length to be fixed on the ground, ensuring stability, starting climbing the ladder upwards, climbing to the position close to an upper layer, opening an opening of the basket 5, locking the opening after the worker enters, then hanging a hook between the waist of the working clothes on a guardrail 52 of the basket 5, standing on a platform 51 of the basket 5, after the operation is completed, taking down the guardrail 52 hung on the basket 5, opening of the basket 5, holding the ladder 5, holding the guardrail 5 to rest on the guardrail 52, pulling the basket 52 down to the ladder, pulling the basket 2 down from the lower side of the basket 21 to the lower side, slowly, closing the basket 2 to the pedal 4, slowly holding the basket 4, and slowly pulling the basket 4 down to the pedal 4 until the pedal is closed, and slowly holding the basket 4 down to the basket 2.

In a preferred scheme, the lower ladder 1 comprises a group of handrails 11 and pedals 12 connected with the handrails 11, the back surfaces of the handrails 11 are all in threaded connection with pulleys 4, and a group of first supporting rods 6 are hinged to the back surfaces of the handrails 11 above the pulleys 4; the upper ladder 3 comprises a group of handrails 11 and pedals 12 connected with the handrails 11, and pulleys 4 are screwed on the back surfaces of the handrails 11; a pedal 12 is further arranged on the upper ladder 3 close to the top, a basket 5 is fixed on the front surface of the pedal 12, and a second supporting rod 7 is hinged to the middle of the back surface of the pedal 12 along the length direction; the pulley 4 and the basket 5 are arranged, so that the ladder body can be used as a trailer, the carrying of the triangular fork ladder is convenient, and meanwhile, tools and measuring tools are convenient to carry; the arrangement of the first support rod 6 and the second support rod 7 and the ladder body form a double-layer triangle stable structure; the first support rod 6, the second support rod 7 and the hinged structure of the ladder body enable the ladder body and the support rod to be folded, save space and facilitate carrying and carrying.

In a preferred scheme, the pedal 12 is pinned between the inner sides of a group of armrests 11, a pin shaft 121 is arranged at the middle of two ends of the pedal 12 along the width direction, elastic plungers 122 are respectively arranged at two sides of the pin shaft 121, a pin shaft hole 111 and a plunger hole 112 are arranged at the inner sides of the armrests 11 along the width direction, the pin shaft hole 111 is in the middle, the plunger hole 112 is arranged at two sides of the pin shaft hole 111, the pin shaft 121 is clamped in the pin shaft hole 111, and the elastic plungers 122 are clamped in the plunger holes 112 at two sides; the shell ring 21 is provided with a pin shaft hole 111 and a plunger hole 112 along the width direction, the pin shaft hole 111 is in the middle, the plunger hole 112 is arranged on two sides of the pin shaft hole 111, the pedal 12 and the shell ring 21 are arranged in the same way as the pedal 12 and the handrail 11, so that the pedal 12 can be turned over, and the pedal can be used for carrying long and large tools and measuring tools when turned over to the plane of the handrail 11 and the shell ring 21, and when turned over to the treading surface, the elastic plunger 122 and the plunger hole 112 are matched, so that the pedal is fixed with the handrail 11 and the shell ring 21, and the safety of an operator in ascending and descending a ladder is ensured.

In a preferred embodiment, the plunger hole 112 is a through hole penetrating the inner side and the outer side of the handrail 11; the plunger hole 112 is also a through hole penetrating the inside and outside of the shell ring 21; the arrangement can realize that the elastic plunger 122 is pressed down from the through hole, so that the fixed pedal 12 can be overturned again, and the operator can conveniently transport the tool and the measuring tool back after finishing the operation.

In a preferred scheme, the middle ladder 2 comprises a plurality of groups of ladder sections, each group of ladder sections respectively comprises a group of cylinder sections 21 and pedals 12 connected with the two cylinder sections 21, and one group of cylinder sections 21 of each group of ladder sections above are inserted and sleeved in the two cylinder sections 21 of the adjacent ladder sections below and are fixed by pin joint; the arrangement enables the middle ladder 2 to realize expansion and contraction, saves carrying and storage space, is convenient to carry, and enables the triangular fork ladder to be suitable for middle-high altitude operation with more heights.

In a preferred embodiment, the shell ring 21 is a square tube; the square pipe fitting is beneficial to arranging the plunger holes 112 on two sides, thereby ensuring the effective fixation of the pedal 12 and the handrail 11, and ensuring the safety of operators for getting on and off the ladder.

In a preferred scheme, the pulley 4 is provided with a foot brake; the pulley 4 foot brake is arranged, so that the fixing of the ladder body is ensured when tools and measuring tools are placed, and the safety of personnel and equipment is ensured.

In a preferred scheme, the basket 5 comprises a platform 51, a guardrail 52 is fixed on the periphery of the platform 51, the guardrail 52 is provided with a movable opening, and the basket 5 is provided with a conductive protective layer; the platform 51 is arranged, so that an operator has enough standing positions during operation, and the operation is convenient; the arrangement of the guard rail 52 can fix the operator and the ladder body together, further ensure the safety of the operator, and provide effective supporting points for the operator during operation, thereby facilitating the operation; the movable opening of the guardrail 52 is arranged to facilitate the operation of operators to enter and exit the platform 51; the arrangement of the conductive protective layer of the basket 5 prevents the basket 5 which is arranged at the top from being electrified to the operators due to careless leakage.

In a preferred scheme, the electric dome type triangular fork ladder comprises a ladder body, wherein the ladder body is a metal ladder, and the basket 5 is a metal basket; the ladder body and the setting of putting thing basket 5 metal material have increased the rigidity and the intensity of triangle fork ladder, have guaranteed the steadiness of ladder, carelessly leak the pad when electric field operation simultaneously, can be through protector with electric current rapidly through putting thing basket 5 and the ladder body 5 of ground connection draw away to the safety of operating personnel has been protected.

In short, the utility model has reasonable design, stable and firm device, is convenient for the operation of high-altitude operators in an electric field, effectively ensures the safety of the operators, is convenient to carry, has wide application range and is convenient to carry tools.

Claims (10)

1. The utility model provides an electric dome formula triangle fork ladder, includes the ladder body, its characterized in that: the ladder body is the metal ladder, and the ladder body includes ladder (1), middle ladder (2) and last ladder (3) down, goes up ladder (1), and ladder (3) are pinned with middle ladder (2) respectively, and middle ladder (2) are the telescopic ladder, and the equal spiro union in back of ladder (1) down and last ladder (3) has a set of pulley (4), articulates there is the bracing piece, and the top of going up ladder (3) is provided with puts thing basket (5), puts thing basket (5) and puts the thing basket for the metal.

2. An electrical dome type triangular fork ladder as in claim 1, wherein: the lower ladder (1) comprises a group of handrails (11) and pedals (12) connected with the handrails (11), pulleys (4) are in threaded connection with the backs of the handrails (11), foot brakes are arranged on the pulleys (4), and a group of first supporting rods (6) are hinged to the backs of the handrails (11) above the pulleys (4).

3. An electrical dome type triangular fork ladder as in claim 2, wherein: the pedal (12) is in pin joint between the inner sides of a group of armrests (11), a pin shaft (121) is arranged in the middle of two ends of the pedal (12) in the width direction, elastic plungers (122) are respectively arranged on two sides of the pin shaft (121), a pin shaft hole (111) and plunger holes (112) are formed in the inner sides of the armrests (11) in the width direction, the pin shaft holes (111) are formed in the middle, the plunger holes (112) are formed in two sides, the pin shaft (121) is clamped in the pin shaft holes (111), and the elastic plungers (122) are clamped in the plunger holes (112) on two sides.

4. An electrical dome type triangular fork ladder as in claim 3, wherein: the plunger hole (112) is a through hole penetrating the inside and the outside of the armrest (11).

5. An electrical dome type triangular fork ladder as in claim 1, wherein: the middle ladder (2) comprises a plurality of groups of ladder sections, each group of ladder sections respectively comprises a group of cylinder sections (21) and pedals (12) connected with the two cylinder sections (21), and the group of cylinder sections (21) of each group of ladder sections above are inserted and sleeved in the two cylinder sections (21) of the adjacent ladder sections below and are fixed through pin joint.

6. An electrical dome type triangular fork ladder as in claim 5, wherein: the cylinder section (21) is a square pipe fitting.

7. An electrical dome type triangular fork ladder as in claim 5, wherein: the cylinder section (21) is provided with a pin shaft hole (111) and a plunger hole (112) along the width direction, the pin shaft hole (111) is in the middle, the plunger hole (112) is arranged on two sides of the pin shaft hole (111), the installation mode of the pedal (12) and the cylinder section (21) is the same as the installation mode of the pedal (12) and the handrail (11), and the plunger hole (112) is also a through hole penetrating through the inner side and the outer side of the cylinder section (21).

8. An electrical dome type triangular fork ladder as in claim 1, wherein: the upper ladder (3) comprises a group of handrails (11) and pedals (12) connected with the handrails (11), and pulleys (4) are in threaded connection with the back surfaces of the handrails (11).

9. An electrical dome type triangular fork ladder as in claim 1, wherein: the ladder (3) is close to the top and still is provided with footboard (12), and footboard (12) openly are fixed with puts thing basket (5), and the centre of footboard (12) back along length direction still articulates has second bracing piece (7), and second bracing piece (7) are the telescopic link, and its extending structure and connection fixed mode are the same with extending structure and connection fixed mode between shell ring (21).

10. An electrical dome type triangular fork ladder as in claim 9, wherein: the storage basket (5) comprises a platform (51), a guardrail (52) is fixed on the periphery of the platform (51), the guardrail (52) is provided with a movable opening, and the storage basket (5) is provided with a conductive protective layer.