CN220955437U - Portable manual lifting construction steel ladder - Google Patents
Portable manual lifting construction steel ladder Download PDFInfo
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- CN220955437U CN220955437U CN202322479574.9U CN202322479574U CN220955437U CN 220955437 U CN220955437 U CN 220955437U CN 202322479574 U CN202322479574 U CN 202322479574U CN 220955437 U CN220955437 U CN 220955437U
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- construction steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 24
- 239000010959 steel Substances 0.000 title claims abstract description 24
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 238000013016 damping Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The utility model discloses a portable manual lifting construction steel ladder; comprising the following steps: a supporting rod, a pedal rod, a fixing frame and a hanging frame; the two support rods are in sliding fit with two groups of fixing frames with ring sleeve structures, two groups of hanging frames are welded on the two groups of fixing frames together, an embedded groove is formed in the outer sides of the two groups of support rods, a plurality of trapezoid buckles are arranged in the embedded groove in a linear array along the length-diameter direction of the support rods, the trapezoid buckles are of stretching block structures with right trapezoid or right triangle longitudinal sections, and right trapezoid inclined planes or right triangle inclined planes of the trapezoid buckles are arranged upwards; two sides of one group of fixing frames are respectively provided with a slide fastener mechanism which can fix the relative positions of the supporting rod and the fixing frames by using trapezoidal fasteners; the utility model has the following beneficial effects: the utility model does not relate to a circuit, is not limited by the circuit, has lower manufacturing cost, and is simpler to maintain when the circuit fails in the later period.
Description
Technical Field
The utility model belongs to the technical field of manual elevators, and particularly relates to a portable manual elevator construction steel ladder.
Background
The Chinese patent with the publication number of CN211115751U discloses an elevator for power maintenance, which comprises a ladder and a lifting device, wherein a guide rail slide bar, a limit switch, a limit sensor, a control switch and a manual sliding switch are arranged on the ladder, the lifting device is a cabinet body, a rotating device, a fixed plate and a controller are arranged on the lifting device, and a through hole is formed in the top of the cabinet body; the limit switch, the limit sensor, the control switch and the manual sliding switch are connected with the controller through connecting wires, and the rotating device is connected with the controller through connecting wires. The elevator is controlled to lift through the electric device, the elevator relies on electric power when in use, when the electric power is lost, the elevator cannot exert lifting efficiency, and secondly, the elevator relies on various switches and sensors to execute lifting actions, so that the cost is high, and when the elevator fails in the later period, the elevator is more troublesome to maintain.
Disclosure of utility model
The utility model aims to provide a portable manual lifting construction steel ladder, which solves the problems in the background art.
The technical aim of the utility model is realized by the following technical scheme:
Portable manual lifting construction steel ladder; comprising the following steps: a supporting rod, a pedal rod, a fixing frame and a hanging frame; the two groups of struts are mutually parallel, the two groups of struts are vertically connected by pedal rods distributed at equal intervals, the two groups of struts are in sliding fit with fixing frames of two groups of ring sleeve structures, damping structures are arranged between the fixing frames and the two struts, no relative sliding is generated between the two struts and the fixing frames under the action of no external force, the two groups of hanging frames are welded together on the two groups of fixing frames, an embedded groove is formed in the outer sides of the two groups of struts, a plurality of trapezoid buckles are arranged in the embedded groove along the length-diameter direction of the struts in a linear array manner, the trapezoid buckles are in a stretching block structure with a right trapezoid or right triangle longitudinal section, and right trapezoid inclined planes or right triangle inclined planes of the trapezoid buckles are arranged upwards; two sides of one group of fixing frames are respectively provided with a slide fastener mechanism which can fix the relative positions of the supporting rod and the fixing frames by using trapezoidal fasteners.
Further, the slider mechanism includes: the device comprises a fixed seat, a rotating shaft, hanging teeth, a traction rod, a clamping groove, a rotating column and a pull rope; the fixed seat is fixed at the side of the fixed frame, a rotating shaft is fixed on the fixed frame, a hanging tooth is rotatably matched on the rotating shaft, one end of the hanging tooth, far away from the rotating shaft, is of a tooth-shaped structure and is buckled on the lower surface of one group of trapezoidal buckles, and the lower part of the contact part of the hanging tooth and the trapezoidal buckle is subjected to chamfering treatment, so that an inclined groove surface is formed on the hanging tooth; a traction rod is arranged on the hanging tooth, a torsion spring is arranged between the rotating shaft and the hanging tooth, and the torsion spring has an elastic tendency of promoting the hanging tooth to rotate towards the inner caulking groove side; one side of the traction rod, which is far away from the rotating shaft, is provided with a clamping groove, a rotating column is clamped in the clamping groove, the rotating column is in rotary fit with the traction rod through a shaft lever, and a pull rope is fixed on the rotating column.
Furthermore, in order to avoid friction with other components during pulling of the pull rope and further influence the pulling smoothness of the pull rope, the hanging teeth are provided with a threading hole for the pull rope to penetrate.
Furthermore, in order to further guide the traction direction of the pull rope, a guide post is fixed on the fixed seat, a sleeve is externally embedded on the guide post through bearing rotation, the pull rope bypasses the sleeve, and the pull rope passes through the threading hole after being externally tangent to the sleeve.
Further, in order to prevent the stay cord from being separated from the guide of the guide post, a limiting structure for limiting the stay cord on the guide post is arranged on the guide post, and the limiting structure is an end cap fixed at the end part of the guide post or a threading ring fixed on the guide post.
Further, in order to facilitate the pulling operation of the pull ropes, the side sides of the two groups of support rods are respectively fixed with a guide sleeve with a long cylinder structure, the length of the pull ropes is greater than that of the support rods, and the pull ropes on the same side penetrate through the corresponding guide sleeves and the rear end parts of the guide sleeves are positioned below the support rods.
Further, in order to prevent the stay cord from deviating from the uide bushing, the lower extreme of stay cord is connected with the spacing weight of a round rod or ball structure, and the external diameter or the sphere diameter of spacing weight are greater than the internal diameter of uide bushing.
Further, for the cooperation of convenient hanging tooth and trapezoidal knot, be provided with the reservation groove that makes things convenient for hanging tooth motion on the mount that is provided with the slide fastener mechanism.
In summary, the utility model has the following beneficial effects:
The utility model does not relate to a circuit, is not constrained by the circuit, has lower manufacturing cost, and is simpler to maintain when the circuit fails in the later period because the circuit is not related to: when the position of the steel ladder is required to be lifted, the supporting rod and the pedal rod are directly pushed upwards, and because the inclined surfaces of the inclined groove surfaces are arranged and the inclined surfaces of the trapezoidal buckles are upwards arranged, when the supporting rod and the pedal rod are pushed upwards as a whole, the trapezoidal buckles can jack up the hanging teeth, the hanging teeth do not limit the trapezoidal buckles until the supporting rod and the pedal rod are lifted to the corresponding positions as a whole, the hanging teeth are buckled below the trapezoidal buckles at the corresponding positions again under the action of the torsion springs, and the lower surfaces of the trapezoidal buckles at the corresponding positions are limited again by the hanging teeth, so that the lifting operation of the steel ladder is completed; when the position of steel ladder is required to descend, the spacing weight of pulling this moment, the stay cord follows the removal, and through stay cord pulling steering column, the steering column of motion can drive the thick stick tooth rotation, through the effect of lever, the hanging tooth follows the rotation, remove the spacing to all trapezoidal knot, downward pulling branch, the pedal lever is whole this moment, until after branch, the pedal lever wholly descends to corresponding position, loosen spacing weight, under no exogenic action, the torsional spring plays the effect again, the hanging tooth detains the trapezoidal knot below of corresponding position again under the effect of torsional spring, the trapezoidal knot lower surface of corresponding position is spacing by the hanging tooth again, and then accomplish the descending operation of steel ladder, above-mentioned lifting operation easy operation is not restricted by the circuit, and when breaking down, the maintenance is got up more simply.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is a schematic view of the back structure of the present utility model;
FIG. 5 is an enlarged view of the structure at C in FIG. 4;
fig. 6 is a schematic diagram of the principle of use of the present utility model.
In the figure, 1, a supporting rod; 2. a pedal lever; 3. a fixing frame; 4. a hanging rack; 5. a slide fastener mechanism; 6. a guide sleeve; 7. an embedded groove; 8. a trapezoid buckle; 9. limiting drop; 31. a reserved groove; 41. a fixed hanging hole; 51. a fixing seat; 52. a rotating shaft; 53. hanging teeth; 54. a traction rod; 55. a clamping groove; 56. a rotating column; 57. a pull rope; 58. a guide post; 59. a limit structure; 510. a threading hole; 511. and an inclined groove surface.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Examples:
Referring to fig. 1-6, the present utility model provides the following technical solutions:
Portable manual lifting construction steel ladder; comprising the following steps: the pedal comprises a supporting rod 1, a pedal rod 2, a fixing frame 3 and a hanging frame 4; the two groups of struts 1 are parallel to each other, the two groups of struts 1 are vertically connected by adopting pedal rods 2 distributed at equal intervals, two groups of fixing frames 3 with ring sleeve structures are in sliding fit with the two groups of struts 1, damping structures (such as anti-slip gaskets) are arranged between the fixing frames 3 and the two groups of struts 1, no relative sliding is generated between the two groups of struts 1 and the fixing frames 3 under the action of no external force, two groups of hanging frames 4 are welded together on the two groups of fixing frames 3, a plurality of hanging holes 41 are arranged on the hanging frames 4, an embedded groove 7 is formed at the outer sides of the two groups of struts 1, a plurality of trapezoid buckles 8 are arranged in the embedded groove 7 along the length direction of the struts 1 in a linear array manner, the trapezoid buckles 8 are tensile block structures with right trapezoid or right triangle longitudinal sections, and right trapezoid inclined planes or right triangle inclined planes of the trapezoid buckles 8 are arranged upwards; two sides of one group of fixing frames 3 are respectively provided with a slide buckle mechanism 5 which can fix the relative positions of the supporting rod 1 and the fixing frames 3 by using trapezoidal buckles 8.
The slider mechanism 5 includes: the device comprises a fixed seat 51, a rotating shaft 52, hanging teeth 53, a traction rod 54, a clamping groove 55, a rotating column 56 and a pull rope 57; the fixed seat 51 is fixed at the side of the fixed frame 3, a rotating shaft 52 is fixed on the fixed frame 3, a hanging tooth 53 is rotatably matched on the rotating shaft 52, one end of the hanging tooth 53 far away from the rotating shaft 52 is in a tooth-shaped structure, the hanging tooth 53 is buckled on the lower surface of one group of trapezoidal buckles 8, and the lower chamfer of the contact part of the hanging tooth 53 and the trapezoidal buckle 8 is processed, so that an inclined groove surface 511 is formed on the hanging tooth 53; a traction rod 54 is arranged on the hanging tooth 53, a torsion spring is arranged between the rotating shaft 52 and the hanging tooth 53, and the torsion spring has an elastic tendency of forcing the hanging tooth 53 to rotate towards the inward caulking groove 7; the traction rod 54 is provided with a clamping groove 55 at one side far away from the rotating shaft 52, a rotating column 56 is clamped in the clamping groove 55, the rotating column 56 is in rotary fit with the traction rod 54 through a shaft rod, and a pull rope 57 is fixed on the rotating column 56.
The hanging teeth 53 are provided with a threading hole 510 for the pull rope 57 to penetrate.
A guide post 58 is fixed on the fixed seat 51, a sleeve is embedded on the guide post 58 through bearing rotation, the pull rope 57 bypasses the sleeve, and the sleeve passes through the threading hole 510 after being circumscribed.
The guide post 58 is provided with a limiting structure 59 for limiting the pull rope 57 on the guide post 58, and the limiting structure 59 is an end cap fixed at the end part of the guide post 58 or a threading ring fixed on the guide post 58.
The side of the two groups of support rods 1 is respectively fixed with a guide sleeve 6 with a long tube structure, the length of a pull rope 57 is longer than that of the support rods 1, and the pull ropes 57 on the same side penetrate through the rear end parts of the corresponding guide sleeves 6 and are positioned below the support rods 1.
The lower end of the pull rope 57 is connected with a limiting weight 9 with a round rod or ball structure, and the outer diameter or ball diameter of the limiting weight 9 is larger than the inner diameter of the guide sleeve 6.
The fixed frame 3 provided with the slide fastener mechanism 5 is provided with a reserved groove 31 which is convenient for the hanging teeth 53 to move.
When the steel ladder is used, the hanging rack 3 is mounted on an attachment by using the hanging rack 4, the hanging rack 4 is fixed on the attachment by using the bolts to penetrate through the fixing hanging holes 41, when the position of the steel ladder needs to be raised, the supporting rod 1 and the pedal rod 2 are directly pushed upwards, because the inclined groove surface 511 is arranged and the inclined surfaces of the trapezoid buckles 8 are upwards arranged, when the supporting rod 1 and the pedal rod 2 are integrally pushed upwards, the trapezoid buckles 8 can prop up the hanging teeth 53, the hanging teeth 53 do not limit the trapezoid buckles 8 until the supporting rod 1 and the pedal rod 2 are integrally raised to the corresponding positions, the hanging teeth 53 are buckled below the trapezoid buckles 8 at the corresponding positions again under the action of the torsion springs, and the lower surfaces of the trapezoid buckles 8 at the corresponding positions are limited by the hanging teeth 53 again, so that the lifting operation of the steel ladder is completed; when the position of the steel ladder needs to be lowered, the limiting drop 9 is pulled at the moment, the pull rope 57 moves along with the movement, the rotating column 56 is pulled by the pull rope 57, the moving rotating column 56 can drive the lever teeth 54 to rotate, the hanging teeth 53 rotate along with the movement through the action of the lever, the limitation of all the ladder buckles 8 is relieved, the supporting rod 1 and the pedal rod 2 are pulled downwards at the moment until the supporting rod 1 and the pedal rod 2 are integrally lowered to the corresponding positions, the limiting drop 9 is loosened, the torsion spring plays a role again under the action of no external force, the hanging teeth 53 are buckled below the ladder buckles 8 at the corresponding positions again under the action of the torsion spring, and the lower surfaces of the ladder buckles 8 at the corresponding positions are limited by the hanging teeth 53 again, so that the lowering operation of the steel ladder is completed.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (8)
1. Portable manual lifting construction steel ladder; comprising the following steps: a supporting rod (1), a pedal rod (2), a fixing frame (3) and a hanging frame (4); the number of the supporting rods (1) is two, the two supporting rods (1) are parallel to each other, and the two groups of supporting rods (1) are vertically connected by adopting pedal rods (2) distributed at equal intervals; the method is characterized in that: the two support rods (1) are in sliding fit with two groups of fixing frames (3) with ring sleeve structures, damping structures are arranged between the fixing frames (3) and the two support rods (1), no relative sliding is generated between the two support rods (1) and the fixing frames (3) under the action of no external force, two groups of hanging frames (4) are welded on the two groups of fixing frames (3) together, an embedded groove is formed in the outer sides of the two groups of support rods (1) to form an embedded groove (7), a plurality of trapezoidal buckles (8) are arranged in the embedded groove (7) along the length-diameter direction linear array of the support rods (1), the trapezoidal buckles (8) are of stretching block structures with right-angle trapezoids or right-angle triangles, and right-angle trapezoidally inclined planes or right-angle triangle inclined planes of the trapezoidal buckles (8) are arranged upwards; two sides of one group of fixing frames (3) are respectively provided with a slide fastener mechanism (5) which can fix the relative positions of the supporting rod (1) and the fixing frames (3) by using trapezoidal fasteners (8).
2. The portable manual lifting construction steel ladder of claim 1, wherein: the slider mechanism (5) comprises: the device comprises a fixed seat (51), a rotating shaft (52), hanging teeth (53), a traction rod (54), a clamping groove (55), a rotating column (56) and a pull rope (57); the fixing seat (51) is fixed at the side of the fixing frame (3), a rotating shaft (52) is fixed on the fixing frame (3), a hanging tooth (53) is rotatably matched on the rotating shaft (52), one end of the hanging tooth (53) far away from the rotating shaft (52) is of a tooth-shaped structure, the hanging tooth is buckled on the lower surface of one group of trapezoidal buckles (8), and the lower chamfer treatment of the contact position of the hanging tooth (53) and the trapezoidal buckle (8) enables an inclined groove surface (511) to be formed on the hanging tooth (53); a traction rod (54) is arranged on the hanging tooth (53), a torsion spring is arranged between the rotating shaft (52) and the hanging tooth (53), and the torsion spring has an elastic tendency of forcing the hanging tooth (53) to rotate towards the side of the embedded groove (7); one side of the traction rod (54) far away from the rotating shaft (52) is provided with a clamping groove (55), a rotating column (56) is clamped in the clamping groove (55), the rotating column (56) is in rotary fit with the traction rod (54) through a shaft rod, and a pull rope (57) is fixed on the rotating column (56).
3. The portable manual lifting construction steel ladder of claim 2, wherein: the hanging teeth (53) are provided with threading holes (510) for penetrating the pull ropes (57).
4. A portable manual lifting construction steel ladder according to claim 3, characterized in that: a guide post (58) is fixed on the fixed seat (51), a sleeve is externally embedded on the guide post (58) through bearing rotation, the pull rope (57) bypasses the sleeve, and the sleeve passes through the threading hole (510) after being externally tangent.
5. The portable manual lifting construction steel ladder of claim 4, wherein: the guide post (58) is provided with a limiting structure (59) for limiting the pull rope (57) on the guide post (58), and the limiting structure (59) is an end cap fixed at the end part of the guide post (58) or a threading ring fixed on the guide post (58).
6. The portable manual lifting construction steel ladder of claim 2, wherein: the side of the two groups of struts (1) is respectively fixed with a guide sleeve (6) with a long cylinder structure, the length of a pull rope (57) is greater than that of the struts (1), and the pull ropes (57) on the same side penetrate through the corresponding guide sleeves (6) and the rear end parts of the pull ropes are positioned below the struts (1).
7. The portable manual lifting construction steel ladder of claim 6, wherein: the lower end of the pull rope (57) is connected with a limiting pendant (9) with a round rod or ball structure, and the outer diameter or ball diameter of the limiting pendant (9) is larger than the inner diameter of the guide sleeve (6).
8. The portable manual lifting construction steel ladder of claim 1, wherein: a reservation groove (31) which is convenient for the hanging teeth (53) to move is arranged on the fixing frame (3) provided with the slide fastener mechanism (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322479574.9U CN220955437U (en) | 2023-09-11 | 2023-09-11 | Portable manual lifting construction steel ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322479574.9U CN220955437U (en) | 2023-09-11 | 2023-09-11 | Portable manual lifting construction steel ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220955437U true CN220955437U (en) | 2024-05-14 |
Family
ID=90980659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322479574.9U Active CN220955437U (en) | 2023-09-11 | 2023-09-11 | Portable manual lifting construction steel ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220955437U (en) |
-
2023
- 2023-09-11 CN CN202322479574.9U patent/CN220955437U/en active Active
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