CN211733775U

CN211733775U - Self-locking type elevator for building construction

Info

Publication number: CN211733775U
Application number: CN202020024983.3U
Authority: CN
Inventors: 袁晓; 都姝华; 刘义新; 于洪洋; 王跃飞; 宋鑫
Original assignee: Weihai Construction Group Co ltd
Current assignee: Weihai Construction Group Co ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-10-23
Anticipated expiration: 2030-01-07

Abstract

The utility model relates to a construction technical field just discloses a construction is from locking-type companion ladder, which comprises a frame, the equal fixed mounting in both sides of frame has two screw rods, the avris fixed mounting of first gear has the head rod, the top fixed mounting of second gear has the third gear, the equal fixed mounting in both sides of third gear has the dead lever, and the end connection of dead lever has the second connecting rod, lift platform's bottom fixed mounting has four telescopic links, and the lower extreme fixed connection of telescopic link is on the frame, there are first regulation pole and second regulation pole respectively fixed mounting on the dead lever of third gear both sides. The utility model discloses an alternative block is connected between the outside of two gag lever posts and toothed chain, and it is rotatory to drive second gear and third gear through the toothed chain to through the meshing of first gear and screw rod, accomplish the regulation of lift platform height, the gag lever post is with sawtooth block, person of facilitating the use's operation when removing.

Description

Self-locking type elevator for building construction

Technical Field

The utility model relates to a construction technical field especially relates to a construction is from locking-type companion ladder.

Background

High-altitude operation is often required in building construction, so the use of the lifting ladder is frequent, constructors need to pay attention to self safety when working at high altitude, and accidents are avoided.

In the prior patent (publication number: CN208054663U), which discloses an elevator for building, the inventor finds that at least the following problems in the prior art are not solved: 1. the adjustment of constructors is inconvenient; 2. automatic limiting when inconvenient to lift.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the self-locking type elevator for building construction is inconvenient for adjustment and automatic limiting of constructors.

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

a self-locking type elevator for building construction comprises a frame, wherein two screw rods are fixedly mounted on two sides of the frame, a first gear is connected to the side of each screw rod in a meshed manner, a first connecting rod is fixedly mounted on the side of each first gear, the end parts of the two first connecting rods are fixedly connected through a second gear, a third gear is fixedly mounted above the second gear, a toothed chain is connected to the side of each second gear and the side of each third gear in a meshed manner, fixing rods are fixedly mounted on two sides of each third gear, the end parts of the fixing rods are connected with second connecting rods, supporting rods are fixedly mounted at the bottoms of the second connecting rods, the lower ends of the supporting rods are movably connected with the first connecting rods, lifting platforms are fixedly connected to two ends of each second connecting rod, four telescopic rods are fixedly mounted at the bottoms of the lifting platforms, and the lower ends of the telescopic rods are fixedly connected to, and swing joint between the first section and the first gear of telescopic link, there are first regulation pole and second regulation pole on the dead lever of third gear both sides respectively fixed mounting, and just first regulation pole and the equal swing joint of second regulation pole are in the top of lift platform bottom, and the equal fixed mounting in one side that first regulation pole and second regulation pole are relative has the gag lever post, and the block is connected between the outside of gag lever post and toothed chain.

Preferably, the first gears are symmetrically arranged around the center of the second gear, and the first gears correspond to the telescopic rods one by one.

Preferably, the second gear is coaxially and rotatably connected with the first gear, and the diameter of the first gear is larger than that of the second gear.

Preferably, the outer side of the toothed chain is fixedly connected with two groups of inclined sawtooth structures, and the two groups of sawteeth are connected in a staggered manner.

Preferably, the telescopic rod is of an L-shaped structure, and the length of the lower half section of the telescopic rod is equal to the diameter of the first gear.

Preferably, the first adjusting rod and the second adjusting rod are both arranged to be of a telescopic structure, and the distance between the first adjusting rod and the second adjusting rod is larger than the lengths of the two limiting rods.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses an alternate rotation of first regulation pole and second regulation pole for alternate block is connected between the outside of two gag lever posts and toothed chain, and it is rotatory to drive second gear and third gear through the toothed chain, and through the meshing of first gear and screw rod, accomplishes the regulation of lift platform height.

(2) The utility model discloses a dislocation distribution of two sets of cockscomb structure on the toothed chain to adjust the flexible of pole through first regulation pole and second, make the gag lever post with sawtooth block when removing, drive the toothed chain and remove, the person's of facilitating the use operation.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a side sectional view of the structure of the present invention;

fig. 3 is a connection view of the first gear and the second gear of the structure of the present invention;

fig. 4 is a connection view of the limit rod and the toothed chain of the structure of the present invention.

In the figure: 1. a frame; 2. a screw; 3. a first gear; 4. a first connecting rod; 5. a second gear; 6. a third gear; 7. a toothed chain; 8. fixing the rod; 9. a support bar; 10. a second connecting rod; 11. a lifting platform; 12. a telescopic rod; 13. a first adjusting lever; 14. a second adjusting lever; 15. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a self-locking type elevator for building construction comprises a frame 1, two screw rods 2 are fixedly installed on both sides of the frame 1, a first gear 3 is engaged and connected to the side of each screw rod 2, a first connecting rod 4 is fixedly installed on the side of each first gear 3, the end portions of the two first connecting rods 4 are fixedly connected through a second gear 5, a third gear 6 is fixedly installed above the second gear 5, a toothed chain 7 is engaged and connected to the side of each of the second gear 5 and the third gear 6, the second gear 5 is coaxially and rotatably connected with the first gear 3, the diameter of the first gear 3 is larger than that of the second gear 5, the situation that the movement of the toothed chain 7 outside the second gear 5 is blocked by the frame 1 to leave a gap between the toothed chain 7 and the frame 1 is avoided, fixing rods 8 are fixedly installed on both sides of the third gear 6, and the end portions of the fixing rods 8 are connected with second connecting rods 10, a support rod 9 is fixedly installed at the bottom of the second connecting rod 10, the lower end of the support rod 9 is movably connected with the first connecting rod 4, two ends of the second connecting rod 10 are fixedly connected with a lifting platform 11, four telescopic rods 12 are fixedly installed at the bottom of the lifting platform 11, the lower ends of the telescopic rods 12 are fixedly connected with the frame 1, the upper half section of each telescopic rod 12 is movably connected with the first gear 3, the first gears 3 are symmetrically arranged about the center of the second gear 5, the first gears 3 correspond to the telescopic rods 12 one by one, the telescopic rods 12 enable the first gears 3 and the screw rods 2 to be always in a meshed state, a first adjusting rod 13 and a second adjusting rod 14 are fixedly installed on the fixed rods 8 at two sides of the third gear 6 respectively, the first adjusting rod 13 and the second adjusting rod 14 are movably connected above the bottom of the lifting platform 11, and a limit rod 15 is fixedly installed at one side of the first adjusting rod 13 opposite to the second adjusting rod 14, the limiting rods 15 are connected with the outer sides of the toothed chains 7 in a clamping manner, the telescopic rod 12 is of an L-shaped structure, the length of the lower half section of the telescopic rod 12 is equal to the diameter of the first gear 3, so that the first gear 3 is tightly attached to the screw rod 2 to limit the left and right movement of the first gear 3, two groups of inclined saw-toothed structures are fixedly connected to the outer sides of the toothed chains 7, and two groups of saw teeth are connected in a staggered manner, when the first adjusting rod 13 drives the toothed chains 7 to move, the second adjusting rod 14 is still in a clamping state with the toothed chains 7, two limiting rods 15 are always in clamping connection with the saw teeth, automatic descending of equipment when the equipment is not operated is prevented, the first adjusting rod 13 and the second adjusting rod 14 are both of a telescopic structure, the distance between the first adjusting rod 13 and the second adjusting rod 14 is larger than the lengths of the two limiting rods 15, so that the end portions of the first adjusting rod 13 and the second adjusting rod 14 drive the limiting, when the end portions of the first adjusting rod 13 and the second adjusting rod 14 move downwards, the limiting rod 15 is driven to be disengaged from the toothed chain 7. The utility model discloses an alternate rotation of first regulation pole 13 and second regulation pole 14 for alternate block is connected between two gag lever post 15 and the outside of toothed chain 7, and it is rotatory to drive second gear 5 and third gear 6 through toothed chain 7, and through the meshing of first gear 3 with screw rod 2, accomplishes the regulation of 11 heights of lift platform, the utility model discloses a two sets of sawtooth structure's on the toothed chain 7 dislocation distribution to adjust pole 14 flexible through first regulation pole 13 and second, make gag lever post 15 with the sawtooth piece block when removing, drive toothed chain 7 and remove, the person's of facilitating the use operation.

In the utility model, when the user uses the device, the user extends and rotates the first adjusting rod 13 downwards, then resets the first adjusting rod 13 to block the limiting rod 15 and the toothed chain 7, rotates the end of the first adjusting rod 13 upwards, the limiting rod 15 drives the third gear 6 to rotate through the toothed chain 7, the second adjusting rod 14 is the same as the operation principle of the first adjusting rod 13, the second adjusting rod 14 and the first adjusting rod 13 do the above-mentioned motion in sequence, continuously drives the third gear 6 to rotate, the third gear 6 drives the second gear 5 to rotate through the toothed chain 7, the second gear 5 is fixedly connected with the first gears 3 at two sides through the first connecting rod 4, so that the first gear 3 is meshed with the screw rod 2 and moves upwards, the lifting platform 11 is lifted, the telescopic rod 12 at the bottom of the lifting platform 11 limits the first gear 3, and prevents the first gear 3 from being disengaged connection with the screw rod 2, lifting platform 11 passes through second connecting rod 10 and is fixed between third gear 6, consequently synchronous lift between lifting platform 11 and the third gear 6, the tip of the first pole 13 of adjusting after the regulation and second pole 14 receives the extrusion of lifting platform 11 bottom, lifting platform 11's gravity offsets with lifting platform 11 to the ascending effort of first pole 13 of adjusting and second pole 14, make equipment pin automatically, only extend first pole 13 and second pole 14 once more and just can continue to adjust lifting platform 11's height, convenience of customers self-operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a construction is from locking-type companion ladder, includes frame (1), its characterized in that, the equal fixed mounting in both sides of frame (1) has two screw rods (2), and the avris meshing of screw rod (2) is connected with first gear (3), the avris fixed mounting of first gear (3) has head rod (4), and the tip of two head rods (4) passes through second gear (5) fixed connection, the top fixed mounting of second gear (5) has third gear (6), and the avris meshing of second gear (5) and third gear (6) is connected with toothed chain (7), the equal fixed mounting in both sides of third gear (6) has dead lever (8), and the end connection of dead lever (8) has second connecting rod (10), and the bottom fixed mounting of second connecting rod (10) has bracing piece (9), and swing joint between the lower extreme of bracing piece (9) and head rod (4), and the both ends fixedly connected with lift platform (11) of second connecting rod (10), the bottom fixed mounting of lift platform (11) has four telescopic links (12), and the lower extreme fixed connection of telescopic link (12) is on frame (1), and swing joint between first section and first gear (3) of telescopic link (12), on dead lever (8) of third gear (6) both sides respectively fixed mounting have first regulation pole (13) and second regulation pole (14), and first regulation pole (13) and the equal swing joint of second regulation pole (14) are in the top of lift platform (11) bottom, and the equal fixed mounting in one side that first regulation pole (13) and second regulation pole (14) are relative has gag lever post (15), and the block is connected between the outside of gag lever post (15) and toothed chain (7).

2. The self-locking type elevator for building construction according to claim 1, wherein the first gear (3) is symmetrically arranged about the center of the second gear (5), and the first gear (3) and the telescopic rod (12) are in one-to-one correspondence.

3. The self-locking type elevator for building construction according to claim 1, wherein the second gear (5) is coaxially and rotatably connected with the first gear (3), and the diameter of the first gear (3) is larger than that of the second gear (5).

4. The self-locking type elevator for building construction as claimed in claim 1, wherein two groups of inclined sawtooth structures are fixedly connected to the outer side of the toothed chain (7), and the two groups of sawteeth are connected in a staggered manner.

5. The self-locking type elevator for building construction according to claim 1, wherein the telescopic rod (12) is arranged in an L-shaped structure, and the length of the lower half section of the telescopic rod (12) is equal to the diameter of the first gear (3).

6. The self-locking type elevator for building construction according to claim 1, wherein the first adjusting rod (13) and the second adjusting rod (14) are both arranged as telescopic structures, and the distance between the first adjusting rod (13) and the second adjusting rod (14) is larger than the length of the two limiting rods (15).