CN215369658U - Afforestation is with telescopic portable pruning ladder - Google Patents

Abstract

The utility model relates to a garden instrument technical field specifically is a gardens afforestation is with telescopic portable pruning ladder, it includes the mount table, set up in the first extension ladder at mount table top and with first extension ladder articulated second extension ladder, the top of mount table is provided with high adjustment mechanism, high adjustment mechanism is including installing slip track and the remote control motor at the mount table top, slip track and fixedly connected with lead screw are stretched into in the pivot of remote control motor, the outside threaded connection of lead screw has the internal thread slider, the bottom at first extension ladder is installed to the internal thread slider. The application has the effect of being more convenient to use.

Description

Afforestation is with telescopic portable pruning ladder

Technical Field

The utility model belongs to the technical field of garden instrument's technique and specifically relates to a afforestation is with telescopic portable pruning ladder is related to.

Background

When the horticulture teacher prunes the trees that have a take the altitude in the gardens, essential can use telescopic pruning ladder to assist to ascend a height and prune.

The double ladder that present portable pruning ladder of telescopic generally was articulated into for two flexible single ladders, after operating personnel climbs the pruning ladder, if want to heighten the height of locating, still need the lower ladder to adjust, operating personnel's use and reduced operating personnel's work efficiency not convenient for, chinese utility model patent that bulletin is CN208396642U discloses a portable pruning ladder of telescopic for afforestation, including the counter weight bottom plate, the spout has been seted up to the upper surface of counter weight bottom plate, sliding connection has two sliders with spout assorted in the spout, and two slider positions are symmetrical, the top of configuration bottom plate is equipped with the backup pad, all articulated on the lateral wall mutually opposite to the back in both sides of backup pad have a telescopic ladder, and two telescopic ladders are symmetrical about the backup pad, and the one end that the backup pad was kept away from to two telescopic ladders is articulated mutually with the upper surface that corresponds the slider.

The above prior art solutions have the following drawbacks: when operating personnel is located the backup pad and when the extension ladder top wants the height of further adjustment position, still need operating personnel to descend the ladder to manually rotate the rocker and adjust, the operating personnel of being inconvenient for uses, has reduced operating personnel's work efficiency.

Disclosure of Invention

To the not enough of prior art existence, the purpose of this application is to provide a gardens afforestation is with telescopic portable pruning ladder convenient to use more.

The above application purpose of the present application is achieved by the following technical solutions:

including the mount table, set up in the first extension ladder at mount table top and with first extension ladder articulated second extension ladder, the top of mount table is provided with high adjustment mechanism, high adjustment mechanism is including installing slip track and the remote control motor at the mount table top, slip track and fixedly connected with lead screw are stretched into in the pivot of remote control motor, the outside threaded connection of lead screw has the internal thread slider, the bottom at first extension ladder is installed to the internal thread slider.

Through adopting above-mentioned technical scheme, when using, operating personnel only need expand first extension ladder and second extension ladder, make the bottom contact ground of second extension ladder, operating personnel can ascend a height with the help of first extension ladder and second extension ladder afterwards, when operating personnel need further adjust the place height on the extension ladder, need not the lower ladder, only need start remote control motor, remote control motor drives the lead screw, thereby slide with lead screw threaded connection's internal thread slider and reduce or increase the contained angle between first extension ladder and the second extension ladder, thereby reach the purpose that increases or reduce, the operating personnel of being convenient for uses.

Optionally, a synchronizing mechanism is arranged at the top of the mounting table, and the synchronizing mechanism comprises a synchronizing slide block mounted at the bottom of the first extension ladder.

Through adopting above-mentioned technical scheme, synchronous slider will provide the support for the bottom of first extension ladder, avoids first extension ladder and mount table to produce movable gap and lead to first extension ladder poor stability.

Optionally, the synchronizing mechanism further comprises a connecting rod fixedly connected between the synchronizing slider and the internal thread slider.

Through adopting above-mentioned technical scheme, connecting rod rigid connection synchronous slider and internal thread slider, internal thread slider can drive synchronous slider synchronous slip when the motion to avoid first extension ladder bottom both ends to take place the dislocation, further improve the stability of first extension ladder when using.

Optionally, the synchronization mechanism further comprises a synchronization slide rail installed at the top of the installation table, and the synchronization slide block is slidably connected to the outer side of the synchronization slide rail.

By adopting the technical scheme, the synchronous sliding rail can restrain the motion track of the synchronous sliding block, so that the motion track of the synchronous sliding block is always on the same straight line, and the motion stability of the first extension ladder is ensured.

Optionally, a hinged base is installed at the bottom of the second extension ladder, and the hinged base is hinged to the second extension ladder.

Through adopting above-mentioned technical scheme, articulated base can rotate for the bottom of second extension ladder relatively for the bottom of second extension ladder for the ground of different slopes can be adapted to the bottom of second extension ladder, has improved the commonality of device.

Optionally, a bottom friction plate is mounted at the bottom of the hinged base, and the bottom friction plate is made of a rubber material.

Through adopting above-mentioned technical scheme, the bottom friction disc of being made by rubber materials has higher coefficient of friction and elasticity, and bottom friction disc direct contact ground can effectively improve the static friction to ground, has ensured the stability of second extension ladder under operating condition.

Optionally, a plurality of universal wheels with brakes are mounted at the bottom of the mounting table.

Through adopting above-mentioned technical scheme, the universal wheel of area brake can make the mount table have the mobility, has made things convenient for the holistic transportation of device, and the universal wheel of area brake still has the parking function simultaneously, and the device of being convenient for is at during operation latched position.

Optionally, a handle push rod is installed on one side of the installation table.

Through adopting above-mentioned technical scheme, operating personnel only need hold the handle push rod and pull or promote the mount table and can remove when transfer device, need not operating personnel and attach and promote, alleviateed operating personnel's tired degree for the device convenient to use more.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the height adjusting mechanism, the height of the extension ladder can be adjusted without descending an operator, so that the extension ladder is more convenient for the operator to use, and the working efficiency of the operator is improved;

2. the universal wheel with the brake and the handle push rod are matched, so that an operator can transfer the device conveniently;

3. through the setting of lazytongs, increased the stability of first extension ladder when the motion for the device has higher security and reliability.

Drawings

FIG. 1 is a schematic front view of the utility model in a contracted state;

fig. 2 is a front view schematically showing the unfolded state of the present invention.

Reference numerals: 1. an installation table; 11. universal wheels with brakes; 12. a grip push rod; 2. a first extension ladder; 3. a second extension ladder; 31. a hinged base; 32. a bottom friction plate; 4. a height adjustment mechanism; 41. a sliding track; 42. a remote control motor; 43. a screw rod; 44. an internal thread slider; 5. a synchronization mechanism; 51. a connecting rod; 52. a synchronous slide rail; 53. and (5) synchronizing the sliders.

Detailed Description

The present application is described in further detail below with reference to figures 1 and 2.

Referring to fig. 1, for the retractable portable pruning ladder for landscaping disclosed in the present application, comprising a mounting table 1, a first extension ladder 2 disposed on the top of the mounting table 1 and a second extension ladder 3 hinged to the first extension ladder 2, when the device is in a storage state, the first extension ladder 2 and the second extension ladder 3 are both in a retracted state and stacked on the top of the mounting table 1, in order to facilitate the transportation of the device, a plurality of universal wheels 11 with brakes are mounted on the bottom of the mounting table 1, the universal wheels 11 with brakes can be welded or detachably connected with the mounting table 1 by screws, the universal wheels 11 with brakes can make the mounting table 1 have a moving capability, thereby facilitating the transportation of the whole device, meanwhile, the universal wheels 11 with brakes also have a parking function, thereby facilitating the device to work in a locking position, one side of the mounting table 1 is welded or bolted with a handle push rod 12, when an operator is transporting the device, the handle push rod 12 is held by hand to pull or push the mounting platform 1 to move, the operator does not need to be attached to push, the fatigue of the operator is reduced, and the device is more convenient to use.

Referring to fig. 2, after the operating personnel removed the device to the appointed place, operating personnel at first started the brake equipment on the universal wheel 11 that takes the brake, locked the relative position of mount table 1, expand first extension ladder 2 and second extension ladder 3 afterwards, and the bottom of first extension ladder 2 is located the top of mount table 1 this moment, and the bottom contact ground of second extension ladder 3, and operating personnel can step on the extension ladder this moment and carry out work.

For improving the contact condition of the bottom of the second extension ladder 3 and the ground, the bottom of the second extension ladder 3 is hinged with a hinged base 31, the hinged base 31 can relatively rotate relative to the bottom of the second extension ladder 3, so that the bottom of the second extension ladder 3 can adapt to the ground with different gradients, the universality of the device is improved, a bottom friction plate 32 is further connected or bonded to the bottom of the hinged base 31 through screws, the bottom friction plate 32 is made of a rubber material, the bottom friction plate 32 made of the rubber material has higher friction coefficient and elasticity, the bottom friction plate 32 directly contacts with the ground, the static friction force to the ground can be effectively improved, and the stability of the second extension ladder 3 in the working state is ensured.

When an operator works on the top of the extension ladder, the height of the operator is required to be increased or reduced frequently, and if the operator goes down the ladder to adjust, the working efficiency is affected, in order to solve the problem, a height adjusting mechanism 4 is arranged on the top of the mounting table 1, the height adjusting mechanism 4 comprises a sliding rail 41 welded or bolted on the top of the mounting table 1 and a remote control motor 42 bolted on the top of the mounting table 1, a rotating shaft of the remote control motor 42 extends into the sliding rail 41 and is welded or clamped with a screw rod 43, the screw rod 43 rotates in the sliding rail 41 along the axis of the screw rod 43, an internal thread slider 44 is in threaded connection with the outer side of the screw rod 43, the internal thread slider 44 is hinged on the bottom of the first extension ladder 2, when the operator needs to further adjust the height of the extension ladder, the operator does not need to go down the ladder, only needs to start the remote control motor 42, the remote control motor 42 drives the screw rod 43, thereby the internal thread slider 44 with lead screw 43 threaded connection slides and reduces or increases the contained angle between first extension ladder 2 and the second extension ladder 3 to reach the purpose that increases or reduce, the operating personnel of being convenient for uses.

In order to increase the stability of the first extension ladder 2 when driven, a synchronizing mechanism 5 is arranged at the top of the mounting platform 1, the synchronizing mechanism 5 comprises a synchronizing slide block 53 hinged at the bottom of the first extension ladder 2, the synchronizing slide block 53 provides support for the bottom of the first extension ladder 2, the problem that the first extension ladder 2 is not stable well due to a movable gap between the first extension ladder 2 and the mounting platform 1 is avoided, in order to synchronize the movement of the synchronizing slide block 53 and the internal thread slide block 44, the synchronizing mechanism 5 further comprises a connecting rod 51 fixedly connected between the synchronizing slide block 53 and the internal thread slide block 44, two ends of the connecting rod 51 are respectively welded with the synchronizing slide block 53 and the internal thread slide block 44, the connecting rod 51 is rigidly connected with the synchronizing slide block 53 and the internal thread slide block 44, the internal thread slide block 44 can drive the synchronizing slide block 53 to synchronously slide when moving, thereby avoiding the dislocation of two ends of the bottom of the first extension ladder 2, further improve the stability of first extension ladder 2 when using, for further restriction synchronous slider 53's movement track, synchronizing mechanism 5 still includes the synchronous slide rail 52 of welding at the mount table 1 top, and synchronous slider 53 sliding connection is in the outside of synchronous slide rail 52, and synchronous slide rail 52 can retrain synchronous slider 53's movement track for synchronous slider 53's movement track is on a straight line all the time, has guaranteed the stationarity of first extension ladder 2 motion.

The implementation principle of the embodiment is as follows: the operating personnel starts the brake equipment on the universal wheel 11 of taking the brake through taking brake universal wheel 11 to remove the device to appointed place of work after, make mount table 1 relatively ground fixed, operating personnel expandes first extension ladder 2 and second extension ladder 3 can begin to use afterwards, the articulated base 31 of 3 bottoms of second extension ladder can rotate for 3 bottoms of second extension ladder, make the device can adapt to the ground of different slopes, if want to adjust the height after the operating personnel is stepped on the extension ladder, only need start remote control motor 42, remote control motor 42 drives lead screw 43 and rotates, and drive internal thread slider 44 relative slip through the threaded connection of lead screw 43 and internal thread slider 44, thereby change the angle between first extension ladder 2 and the second extension ladder 3 in order to reach the purpose of adjusting the height that operating personnel located.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a afforestation is with telescopic portable pruning ladder, includes mount table (1), set up in first extension ladder (2) at mount table (1) top and with first extension ladder (2) articulated second extension ladder (3), its characterized in that: the top of mount table (1) is provided with high adjustment mechanism (4), high adjustment mechanism (4) are including installing slip track (41) and remote control motor (42) at mount table (1) top, the pivot of remote control motor (42) stretches into slip track (41) and fixedly connected with lead screw (43), the outside threaded connection of lead screw (43) has internal thread slider (44), the bottom at first extension ladder (2) is installed in internal thread slider (44).

2. The telescopic portable trimming ladder for landscaping as claimed in claim 1, wherein: the top of mount table (1) is provided with lazytongs (5), lazytongs (5) are including installing synchronous slider (53) in first extension ladder (2) bottom.

3. The telescopic portable trimming ladder for landscaping as claimed in claim 2, wherein: the synchronizing mechanism (5) further comprises a connecting rod (51) fixedly connected between the synchronizing slide block (53) and the internal thread slide block (44).

4. The telescopic portable trimming ladder for landscaping as claimed in claim 3, wherein: the synchronous mechanism (5) further comprises a synchronous sliding rail (52) installed at the top of the mounting table (1), and the synchronous sliding block (53) is connected to the outer side of the synchronous sliding rail (52) in a sliding mode.

5. The telescopic portable trimming ladder for landscaping as claimed in claim 1, wherein: articulated base (31) is installed to the bottom of second extension ladder (3), articulated base (31) is articulated with second extension ladder (3).

6. The telescopic portable trimming ladder for landscaping as claimed in claim 5, wherein: the bottom friction plate (32) is installed at the bottom of the hinged base (31), and the bottom friction plate (32) is made of rubber materials.

7. The telescopic portable trimming ladder for landscaping as claimed in claim 1, wherein: the bottom of the mounting table (1) is provided with a plurality of universal wheels (11) with brakes.

8. The telescopic portable trimming ladder for landscaping as claimed in claim 7, wherein: a grip push rod (12) is arranged on one side of the mounting table (1).

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