CN216785550U

CN216785550U - High-efficiency heavy object hoisting ladder

Info

Publication number: CN216785550U
Application number: CN202123176739.2U
Authority: CN
Inventors: 杨旭; 李磊; 崔杨; 孟令龙; 张志文; 王林; 房连庆; 高茹玉; 李空军
Original assignee: China Construction Seventh Engineering Division Corp Ltd
Current assignee: China Construction Seventh Engineering Division Corp Ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-06-21
Anticipated expiration: 2031-12-16

Abstract

The utility model provides an efficient heavy object lifting ladder, which comprises two supporting members, two ladder boards, a lifting rod, a swinging board and a hoisting device, wherein the two supporting members are fixedly connected with the two ladder boards; wherein, a connecting arm is arranged between the two supporting components, the ladder boards are connected on the connecting arm in a swinging way, and a plurality of pedal rods are arranged between the two ladder boards. The lifting rod is arranged between the two supporting components, the swinging plate is connected to the lifting rod in a swinging mode, and the swinging end face of the swinging plate is provided with a grapple. The hoisting device is arranged on the swinging plate and is provided with a lifting rope. When a heavy object is lifted, firstly, the lifting ladder is transversely placed on the ground, a worker moves the lifting rod to a position corresponding to the lifting height, and the grab hook can be hooked on the corresponding pedal rod through the swinging of the swinging plate; subsequently, the hoisting ladder is vertically placed, after the lifting is carried out, the hoisting equipment is located at the height convenient for workers to adjust, and the hoisted heavy object can be timely transferred, so that the smooth hoisting process is ensured. The efficient heavy object hoisting ladder provided by the utility model ensures the working efficiency when hoisting heavy objects.

Description

High-efficiency heavy object hoisting ladder

Technical Field

The utility model belongs to the technical field of hoisting equipment, and particularly relates to an efficient heavy object hoisting ladder.

Background

When moving the heavy object along the upper and lower direction in the floor, need the staff to utilize the ladder to carry, nevertheless the work load of doing so is very big, and the process is dangerous, the condition that the staff collided with, fell appears easily.

In order to solve the problem, the prior art proposes a technical scheme of loading a winch on the top of a ladder, wherein a heavy object is moved from top to bottom by using the lifting force of the winch, meanwhile, a worker climbs the ladder to the horizontal plane where the heavy object is located, and the heavy object is unloaded from the winch and moved to a storage position of the horizontal plane.

The inventor finds that the above technical means still have major defects, which are specifically represented by:

the winch is usually controlled by manually touching the machine body (the remote control technology requires high cost and is not beneficial to market popularization), so that the situation that a worker needs to move to the top of the ladder to control the winch is determined; however, if the moving position of the heavy object does not reach the horizontal plane of the ladder top, the heavy object is lifted by the winch and then returns to the horizontal plane where the heavy object is located to be carried, and therefore a lot of time is consumed, the efficiency of the device in actual use is reduced, and the actual working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an efficient heavy object lifting ladder, and aims to solve the technical problem that the actual working efficiency of lifting a heavy object is reduced due to the fact that a worker needs to climb to the top when controlling a winch and then climbs back to the horizontal plane where the heavy object is located when carrying the heavy object.

In order to achieve the purpose, the utility model adopts the technical scheme that:

provided is an efficient heavy object hoisting ladder, comprising:

two support members for side-by-side loading on the ground; a connecting arm is arranged between the two supporting components, and two ends of the connecting arm are respectively connected with the two supporting components;

the two ladder boards are arranged on the connecting arm at intervals along the axial direction of the connecting arm; one end of the ladder board is rotatably connected with the connecting arm, the rotating axial direction of the ladder board is parallel to the axial direction of the connecting arm, and the length direction of the ladder board is perpendicular to the axial direction of the connecting arm; a plurality of step bars are arranged between the two ladder boards at intervals along the length direction of the ladder boards, and two ends of each step bar are respectively connected with the two ladder boards;

the lifting rod is arranged between the two supporting members, two ends of the lifting rod are respectively connected with the two supporting members in a sliding manner, and the sliding direction is arranged along the up-down direction;

the swinging plate is connected to the lifting rod in a swinging mode, and the swinging axial direction of the swinging plate is parallel to the axial direction of the lifting rod; the swing end surface of the swing plate is provided with a grapple which is suitable for being lapped on any one of the pedal levers; and

and the body of the hoisting equipment is fixedly arranged on the swinging plate and is provided with a lifting rope for pulling a heavy object.

In a possible implementation manner, a supporting plate is connected to the swinging plate in a swinging mode, and a machine body of the hoisting device is arranged on the supporting plate;

the swing axial direction of the supporting plate is parallel to the axial direction of the lifting rod; when the swing plate has an included angle with the horizontal plane, the support plate can swing to the position where the plate surface of the support plate is parallel to the horizontal plane.

In a possible implementation manner, a sliding arm is arranged between the swinging plate and the supporting plate, and the sliding arm is suitable for sliding along the plate surface of the swinging plate so as to drive the supporting plate to swing relative to the swinging plate; the slide arm is further adapted to support the swing plate to restrict the swing plate from swinging downward.

In a possible implementation manner, the swinging plate is provided with a protruding part, the protruding part is provided with a threaded hole, and the axial direction of the threaded hole is parallel to the sliding direction of the sliding arm; the threaded hole is internally provided with a positioning screw rod, and the positioning screw rod is in threaded connection with the threaded hole and can be screwed in along the axial direction of the threaded hole; and one end of the positioning screw rod is rotationally connected with the sliding arm, and when the positioning screw rod rotates, the positioning screw rod is screwed in relative to the bulge part so as to push or pull the sliding arm to move synchronously.

In a possible implementation manner, the supporting plate is provided with a mounting seat, the mounting seat is provided with a mounting groove for embedding the body of the hoisting device, and the supporting plate is also provided with a positioning element which is detachably connected to the mounting seat and used for limiting the body of the hoisting device to be separated from the mounting groove.

In one possible implementation, the swing plate includes:

the swinging shell is connected to the lifting rod in a swinging mode, and the swinging axial direction of the swinging shell is parallel to the axial direction of the lifting rod; a guide cavity channel is arranged on the swinging end surface of the swinging shell, and the axial direction of the guide cavity channel is vertical to the axial direction of the lifting rod; and

the translation piece is arranged in the guide cavity channel in a sliding manner along the axial direction of the guide cavity channel, and one end of the translation piece can extend out of the guide cavity channel; the grapple is fixedly connected to the extending end surface of the translation piece.

In one possible implementation, the open end of the guide channel has a first abutment portion extending inwardly, and the insertion end of the translator has a second abutment portion extending outwardly;

when the translating piece moves towards the outside of the guide cavity until the second abutting part abuts against the first abutting part, the first abutting part can limit the moving of the translating piece.

In one possible implementation, the support member includes:

the base is used for loading on the ground, and the top surface of the base is provided with a containing cavity extending from top to bottom; and

the upright rod is arranged in the accommodating cavity and can move along the up-and-down direction; the upper end of the upright rod is suitable for extending out of the accommodating cavity, and the end part of the lifting rod is connected with the upright rod; the end part of the connecting arm is connected with the extending part of the upright rod;

wherein, an adjusting structure for supporting the upright rod to limit the downward movement of the upright rod is arranged between the base and the upright rod.

In one possible implementation, the adjusting structure includes:

the positioning holes are arranged on the base at intervals in the vertical direction and are arranged in parallel in pairs, and each positioning hole is communicated with the containing cavity;

the supporting screw rod is suitable for being inserted into any one of the positioning holes, part of the supporting screw rod is positioned in the accommodating cavity, and the supporting screw rod positioned in the accommodating cavity is used for supporting the vertical rod; one end of the supporting screw rod is provided with a flange end which is abutted against the outer wall of the base, and the other end of the supporting screw rod extends out of the base; and

and the locking nut is in threaded connection with the extending part of the supporting screw rod and is suitable for being abutted against the outer wall of the base so as to limit the supporting screw rod to move along the self axial direction.

In a possible implementation manner, the vertical rod is provided with a strip-shaped hole which is axially penetrated along the lifting rod and extends along the vertical direction, and the end part of the lifting rod is inserted into the strip-shaped hole;

the end part of the lifting rod is provided with two limiting plates which are respectively arranged at two sides of the vertical rod so as to clamp the vertical rod and limit the lifting rod to move along the self axial direction.

In the embodiment of the application, if a heavy object is lifted, the lifting ladder needs to be transversely placed on the ground, the worker moves the lifting rod to the position corresponding to the lifting height, and the grab hook can be hooked on the corresponding pedal rod through the swinging of the swinging plate.

Subsequently, put this ladder of lifting by crane vertically, mention the heavy object through hoisting equipment, the back is ascended a height that the staff was convenient for to adjust to the staff this moment, and the heavy object after lifting by crane can in time be shifted, has ensured going on smoothly of the process of lifting by crane.

Compared with the prior art, the efficient heavy object hoisting ladder provided by the embodiment avoids the transposition process of users after the hoisting equipment is adjusted, and ensures the working efficiency when the heavy object is hoisted.

Drawings

Fig. 1 is one of schematic perspective views of an efficient heavy object lifting ladder according to an embodiment of the present invention;

fig. 2 is a second schematic perspective view of an efficient heavy object hoisting ladder according to an embodiment of the present invention;

FIG. 3 is a schematic view of a combination of a swing plate, a hoisting device and a support plate according to an embodiment of the present invention;

FIG. 4 is a schematic view of a combination of a swing plate and a support plate used in an embodiment of the present invention;

fig. 5 is an exploded view of a mounting base and a hoisting device used in an embodiment of the utility model;

FIG. 6 is an exploded view of a wobble plate used in an embodiment of the present invention;

FIG. 7 is an exploded view of an adjustment mechanism employed in an embodiment of the present invention;

description of reference numerals:

1. a support member; 11. a base; 111. a receiving cavity; 12. erecting a rod; 121. a connecting arm; 122. a strip-shaped hole; 2. a step plate; 21. a foot bar; 3. a lifting rod; 31. a limiting plate; 4. a swing plate; 41. swinging the shell; 411. a guide lumen; 412. a first abutting portion; 42. a translation member; 421. grabbing a hook; 422. a second abutting portion; 5. a hoisting device; 51. a lifting rope; 6. a support plate; 61. a mounting seat; 611. mounting grooves; 612. a positioning element; 7. a slide arm; 8. a boss portion; 81. a threaded hole; 82. positioning a screw rod; 9. an adjustment structure; 91. Positioning holes; 92. a support screw; 921. a flange end; 93. and locking the nut.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 7 together, the efficient weight lifting ladder provided by the present invention will be described. The efficient heavy object lifting ladder comprises two supporting members 1, two ladder boards 2, a lifting rod 3, a swinging board 4 and a hoisting device 5.

In the present embodiment, for convenience of description, the arrangement direction of the two support members 1 is defined as a left-right direction, and the longitudinal direction of each support member 1 is disposed along an up-down direction.

A connecting arm 121 is arranged between the two supporting members 1, and two ends of the connecting arm 121 are respectively connected with the two supporting members 1; as shown in fig. 1, each support member 1 has a rod extending through the connecting arm 121 at the top end thereof, and a positioning cap is detachably attached to the rod and can limit the connecting arm 121 to move upward so as to connect the support member 1 and the connecting arm 121.

Two flights 2 are provided on the connecting arm 121 at intervals in the axial direction (i.e., the left-right direction) of the connecting arm 121.

As shown in fig. 1, one end of the step plate 2 is rotatably connected to the connecting arm 121, the rotational axis direction is parallel to the axial direction of the connecting arm 121, and the length direction of the step plate 2 is perpendicular to the axial direction of the connecting arm 121.

Have between two risers 2 along the length direction interval of riser 2 a plurality of foot bars 21 that set up, and the both ends of foot bar 21 link to each other with two risers 2 respectively.

The lifting rod 3 is arranged between the two supporting members 1, two ends of the lifting rod are respectively connected with the two supporting members 1 in a sliding mode, and the sliding direction is arranged along the vertical direction.

The swinging plate 4 is connected to the lifting rod 3 in a swinging mode, and the swinging axial direction is parallel to the axial direction of the lifting rod 3; the swing plate 4 has a catch 421 adapted to be caught on any one of the pedal levers 21 on a swing end surface thereof, and a hook body portion of the catch 421 is capable of being hooked on an outer peripheral surface of the pedal lever 21.

The body of the hoisting device 5 is fixedly provided on the swing plate 4, and has a hoist rope 51 for pulling a heavy object.

As shown in fig. 3, the hoisting device 5 is of a single rotating motor structure, the power output shaft direction of the rotating motor is parallel to the left and right direction, and the upper end of the lifting rope 51 is connected to the power output shaft of the rotating motor; the structure that this hoisting equipment 5 adopted is the structure of the small-size hoist engine among the prior art, when the in-service use, can choose different hoisting equipment 5 according to the specification of heavy object for use, does not describe here in any detail.

In the embodiment of the present application, when a heavy object is lifted, the lifting ladder needs to be firstly horizontally placed on the ground, and the worker moves the lifting rod 3 to a position corresponding to the lifting height, and swings through the swing plate 4 to enable the grapple 421 to be hooked on the corresponding foot bar 21.

Subsequently, put this ladder of lifting by crane vertically, mention the heavy object through hoisting equipment 5, the back is ascended a height that the staff was convenient for to adjust to this moment, and hoisting equipment 5 is in the staff, and the heavy object after lifting by crane can in time be shifted, has ensured going on smoothly of the process of lifting by crane.

Compared with the prior art, the efficient heavy object hoisting ladder provided by the embodiment avoids the transposition process of users after the hoisting equipment 5 is adjusted, and ensures the working efficiency when hoisting heavy objects.

In some embodiments, the above features may be used between the swing plate 4 and the winding device 5 as shown in fig. 3. Referring to fig. 3, a support plate 6 is connected to the swing plate 4 in a swing manner, and the body of the winding device 5 is disposed on the support plate 6.

Wherein, the swing axial direction of the support plate 6 is parallel to the axial direction of the lifting rod 3; when the swinging plate 4 forms an included angle with the horizontal plane, the supporting plate 6 can swing to a position where the surface of the supporting plate is parallel to the horizontal plane.

Through adopting above-mentioned technical scheme, when swing board 4 was in the tilt state, backup pad 6 can keep the horizontality to make the more stable arrangement of hoisting equipment 5, improved the structural stability of this device.

In some embodiments, the above features may be employed between the swing plate 4 and the support plate 6 as shown in figures 3 and 4. Referring to fig. 3 and 4, a sliding arm 7 is arranged between the swing plate 4 and the support plate 6, and the sliding arm 7 has the advantages that:

firstly, the sliding arm 7 is suitable for sliding along the plate surface of the swinging plate 4 so as to drive the supporting plate 6 to swing relative to the swinging plate 4;

second, the slide arm 7 is also adapted to support the swing plate 4 to restrict the swing plate 4 from swinging downward.

Through adopting above-mentioned technical scheme, the slide arm 7 can drive backup pad 6 for swing board 4 free swing for this device is convenient for adjust more, has improved the structural stability of this device, and efficiency when the in-service use.

In some embodiments, the above features may be employed between the swing plate 4 and the slide arm 7 as shown in fig. 4 and 6. Referring to fig. 4 and 6, the swing plate 4 has a boss 8 thereon, and the boss 8 has a screw hole 81 therein, and the axial direction of the screw hole 81 is parallel to the sliding direction of the slide arm 7.

The threaded hole 81 has a positioning screw 82 therein, and the positioning screw 82 is screwed into the threaded hole 81 and can be screwed in the axial direction of the threaded hole 81.

One end of the positioning screw 82 is rotatably connected to the slide arm 7, and when the positioning screw 82 rotates, the positioning screw 82 is screwed into the boss 8 to push or pull the slide arm 7 to move synchronously.

Through adopting above-mentioned technical scheme, rotate positioning screw 82 and can control the face that the slide arm 7 followed swing board 4 and remove, be favorable to the manual work to carry out the accurate position adjustment of slide arm 7, improved the efficiency of this device when the in-service use.

In some embodiments, the feature support plate 6 may be configured as shown in FIG. 5. Referring to fig. 5, the support plate 6 has a mounting seat 61 thereon, the mounting seat 61 has a mounting groove 611 for the body of the winding device 5 to be inserted therein, and a positioning member 612 detachably coupled to the mounting seat 61 for restricting the body of the winding device 5 from being separated from the mounting groove 611.

By adopting the technical scheme, the groove wall of the mounting groove 611 can limit the body of the hoisting device 5 to move along the plate surface parallel to the supporting plate 6, and the positioning element 612 limits the hoisting device 5 to be separated from the mounting groove 611, so that the structural stability of the device is improved.

In some embodiments, the above-described feature of the swing plate 4 may be configured as shown in fig. 6. Referring to fig. 6, the swing plate 4 includes a swing case 41 and a translation member 42.

The swing case 41 is connected to the lift rod 3 in a swinging manner, and the swinging axial direction thereof is parallel to the axial direction of the lift rod 3.

The swing end face of the swing shell 41 is provided with a guide cavity 411, and the axial direction of the guide cavity 411 is vertical to the axial direction of the lifting rod 3.

The translating element 42 is slidably arranged in the guide channel 411 along the axial direction of the guide channel 411, and one end of the translating element itself can extend out of the guide channel 411.

The catch 421 is fixedly connected to the projecting end face of the translator 42.

Through adopting above-mentioned technical scheme, translation piece 42 removes in the inside of swing shell 41, can adjust the length that translation piece 42 stretches out swing shell 41, can play the effect of dodging non-corresponding foot bar 21 when actual assembly, ensures that the assembly that grapple 421 can be accurate is on corresponding foot bar 21, has improved the reliability of this device when in-service use.

In some embodiments, the above-described features may be used between guide channel 411 and translator 42, as shown in FIG. 6. Referring to fig. 6, the open end of guide channel 411 has an inwardly extending first abutment 412 and the insertion end of translator 42 has an outwardly extending second abutment 422.

When the translator 42 moves out of the guide channel 411 until the second abutment 422 abuts against the first abutment 412, the first abutment 412 can limit the translation 42 from moving.

Through adopting above-mentioned technical scheme, first butt portion 412 and second butt portion 422 cooperate the butt each other, can effectively restrict translation piece 42 and break away from direction chamber way 411 to the structural stability of this device when the in-service use has been improved.

In some embodiments, the above-described feature support member 1 may take the configuration shown in fig. 1, 2, and 7. Referring to figures 1, 2 and 7, the support member 1 comprises a base 11 and an upright 12.

The base 11 is used for loading on the ground, and the top surface has a receiving cavity 111 extending from top to bottom.

The vertical rod 12 is disposed in the housing chamber 111 and is movable in the vertical direction.

The upper end of the upright 12 is adapted to extend out of the receiving cavity 111, and the end of the lifting rod 3 and the end of the connecting arm 121 are connected to the extending portion of the upright 12.

Wherein, an adjusting structure 9 for supporting the upright 12 to limit the downward movement of the upright 12 is arranged between the base 11 and the upright 12.

By adopting the technical scheme, the length of the combined structure of the base 11 and the upright 12 is adjustable, specifically, the upright 12 is moved up and down, and when the upright 12 is moved to a proper position, the upright 12 is supported by the adjusting structure 9, so that a locking effect is achieved; because the length of the base 11 and the upright 12 combined structure is adjustable, the supporting member 1 in the device is suitable for being matched with the ladder boards 2 with different included angles, and the structural stability and the reliability in practical use of the device are improved.

In some embodiments, the characteristic adjustment structure 9 may adopt a structure as shown in fig. 7. Referring to fig. 7, the adjusting structure 9 includes a plurality of positioning holes 91, a support screw 92, and a lock nut 93.

The positioning holes 91 are arranged on the base 11 at intervals in the vertical direction, and are arranged in parallel, and each positioning hole 91 is communicated with the containing cavity 111.

The support screw 92 is adapted to be inserted into any one of the positioning holes 91, so that part of the support screw 92 is located in the receiving cavity 111, and the support screw 92 located in the receiving cavity 111 is used for supporting the upright 12.

One end of the support screw 92 has a flange end 921 abutting on the outer wall of the base 11, and the other end extends out of the base 11.

A lock nut 93 is screwed on the projecting portion of the support screw 92 and adapted to abut against the outer wall of the base 11 to restrict the support screw 92 from moving axially in itself.

Through adopting above-mentioned technical scheme, the relation of connection of supporting screw 92 and lock nut 93 is convenient for implement to can in time press from both sides tight base 11 through flange end 921 and lock nut 93 cooperation, the restriction supporting screw 92 has ensured the efficiency of this device when the in-service use for base 11 along self axial's removal, and has guaranteed the reliability of this device when the in-service use.

In some embodiments, the above-mentioned feature can be used between the vertical rod 12 and the lifting rod 3 as shown in fig. 1 and 2. Referring to fig. 1 and 2, the vertical rod 12 has a strip-shaped hole 122 penetrating in the axial direction of the lifting rod 3 and extending in the vertical direction, and the end of the lifting rod 3 is inserted into the strip-shaped hole 122.

Each end of the lifting rod 3 has two limit plates 31, the two limit plates 31 being located at both sides of the upright 12 to clamp the upright 12 and limit the axial movement of the lifting rod 3 along itself.

Through adopting above-mentioned technical scheme, bar hole 122 plays spacing effect to the lifting movement of lifter 3, and two limiting plates 31 play spacing effect to the horizontal migration of lifter 3, and consequently above-mentioned scheme has strengthened the reliability of this device when in-service use, has improved the security of this device when in-service use.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. High-efficient formula heavy object lifts by crane ladder, its characterized in that includes:

the lifting rod is arranged between the two supporting members, two ends of the lifting rod are respectively connected with the two supporting members in a sliding mode, and the sliding direction is arranged along the up-down direction;

2. The efficient weight hoisting ladder of claim 1, wherein a support plate is connected to the swing plate in a swinging manner, and a body of the hoisting device is arranged on the support plate;

3. The efficient weight lift ladder of claim 2, wherein a sliding arm is disposed between said swing plate and said support plate, said sliding arm adapted to slide along a panel surface of said swing plate to cause said support plate to swing with respect to said swing plate; the slide arm is further adapted to support the swing plate to restrict the swing plate from swinging downward.

4. A high efficiency weight carrying ladder as claimed in claim 3, wherein said swing plate has a boss with a threaded hole therein, the axial direction of said threaded hole being parallel to the sliding direction of said sliding arm; the threaded hole is internally provided with a positioning screw rod, and the positioning screw rod is in threaded connection with the threaded hole and can be screwed in along the axial direction of the threaded hole; and one end of the positioning screw rod is rotationally connected with the sliding arm, and when the positioning screw rod rotates, the positioning screw rod is screwed in relative to the bulge part so as to push or pull the sliding arm to move synchronously.

5. The efficient heavy object lifting ladder of claim 2, wherein the support plate has a mounting seat thereon, the mounting seat having a mounting groove for the body of the winding device to be inserted therein, and a positioning member detachably coupled to the mounting seat for restricting the body of the winding device from being separated from the mounting groove.

6. A high efficiency weight lift ladder as recited in claim 1, wherein said swing plate comprises:

the translation piece is arranged in the guide cavity channel in a sliding mode along the axial direction of the guide cavity channel, and one end of the translation piece can extend out of the guide cavity channel; the grapple is fixedly connected to the extending end surface of the translation piece.

7. The efficient weight lift ladder of claim 6, wherein said open end of said guide channel has an inwardly extending first abutment and said insertion end of said translator has an outwardly extending second abutment;

8. A high efficiency weight lift ladder as recited in claim 1, wherein said support member comprises:

9. The efficient weight lifting ladder of claim 8, wherein said adjustment structure comprises:

10. The efficient weight hoisting ladder as claimed in claim 8, wherein the vertical rod has a strip-shaped hole running through the vertical rod in the axial direction and extending in the vertical direction, and the end of the vertical rod is inserted into the strip-shaped hole;