CN211971717U

CN211971717U - Lifting device with anti-falling structure

Info

Publication number: CN211971717U
Application number: CN202020240455.1U
Authority: CN
Inventors: 魏东; 吕海芳; 魏庆雄; 罗思敏
Original assignee: Huachuan Construction Group Co ltd
Current assignee: Huachuan Construction Group Co ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-11-20
Anticipated expiration: 2030-03-02

Abstract

The utility model relates to the technical field of building construction, in particular to a lifting device with an anti-falling structure, which comprises a base, a lifting mechanism, a supporting plate and an anti-falling mechanism; the anti-falling device comprises a lifting mechanism, a supporting plate, an anti-falling assembly and a locking assembly, wherein the lifting mechanism is arranged on the base, the supporting plate is arranged at the upper end of the lifting framework, and the anti-falling assembly comprises an anti-falling mechanism which comprises an installation plate, a locking assembly and a guide wheel; the guide wheel is installed on the mounting plate, and the height of the guide wheel at the highest position in the vertical direction is higher than that of the support plate. The utility model discloses the effect that has is: when the driving piece of the lifting device fails and the workbench falls, the anti-falling structure locks the workbench to prevent the workbench from continuously falling, so that the safety of constructors is protected.

Description

Lifting device with anti-falling structure

Technical Field

The utility model belongs to the technical field of the technique of construction and specifically relates to a lifting device who prevents weighing down structure in area is related to.

Background

In the in-process of construction, when especially whitewash at indoor wall, need use corresponding support to the constructor carries out the construction in higher department, in the current work progress, uses elevating gear as constructor's support usually.

Chinese patent with publication number CN109850820A discloses a elevating gear for building, including the elevating gear body, the elevating gear body top is connected with the workstation through connecting the work piece, and this upgrading device realizes going up and down through cutting the fork structure, and the welding of frame department of workstation has safety barrier, last through supporting steelframe and the welding of lid canopy of safety barrier, elevating gear body bottom closes soon through rolling bearing and unable adjustment base and is connected, four corners in unable adjustment base bottom all rotate through rolling bearing and removal gyro wheel and be connected, connecting rod and supplementary mount welding are passed through in unable adjustment base's the outside, lid canopy bilateral symmetry is equipped with fixed steel pipe, and is connected with puggaree and safety protection net respectively through two slip pipes on the fixed steel pipe.

When this elevating gear uses, when carrying out open-air work, can open safety protection network through the sliding tube to protect the staff on the workstation, prevent that the high altitude junk from smashing and hindering the staff, can open the puggaree through the sliding tube simultaneously and carry out the sunshade, improved operational environment, avoid the sun directly to shine.

When the lifting device is used, when the driving piece fails and the workbench falls, a falling-preventing protection structure is not arranged on the lifting device, so that the improvement space is provided.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a take elevating gear who prevents weighing down structure, its effect that has is: when the driving piece of the lifting device fails and the workbench falls, the anti-falling structure locks the workbench to prevent the workbench from continuously falling, so that the safety of constructors is protected.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a lifting device with an anti-falling structure comprises a base, a lifting mechanism, a supporting plate and an anti-falling mechanism; the anti-falling mechanism comprises a base, a lifting mechanism, a supporting plate and a falling prevention mechanism, wherein the lifting mechanism is arranged on the base, the supporting plate is arranged at the upper end of the lifting mechanism, and the falling prevention mechanism comprises an installation plate, a locking assembly and a guide wheel;

the guide wheel is arranged on the mounting plate and is higher than the height of the support plate at the highest position in the vertical direction;

the locking assembly comprises a retractor and a locking belt; the retractor is installed on the installation plate, one end of the locking belt is detachably fixed on the support plate, a separation plate is arranged in the retractor and divides the retractor into a rolling cavity and a locking cavity, the rolling cavity is provided with a reel, one end of the locking belt, which is far away from the support plate, is connected with the reel, the reel is provided with a coil spring, one end of the reel, which penetrates through the separation plate and is located in the locking cavity, is provided with a notch, one end of the reel, which is located in the locking cavity, is sleeved with a locking sleeve ring, the outer ring of the locking sleeve is provided with a pawl, an extension lug is arranged in the locking sleeve ring, the width of the extension lug is smaller than that of the notch, and divides the inner ring of the locking sleeve into a rotating part and a locking part, one side of the separation plate, the locking lantern ring rotates along with the reel, and when the reel is located at the locking part, the pawl of the locking lantern ring is meshed with the locking inner ratchet wheel and cannot rotate.

By adopting the technical scheme, when the lifting device is used, the supporting plate is driven to move in the vertical direction through the lifting mechanism, when the supporting plate is driven, the locking belt penetrates through the guide wheel and then is fixed on the supporting plate, when the locking belt is pulled out, the locking belt drives the reel to rotate and enables the connected coil spring to rotate in the same direction, and when the locking belt is loosened, the reel is rotated in the opposite direction by the coil spring to enable the locking belt to be tensioned; when the elevating gear accident falls, the locking area is pulled out fast, and the spool drives the locking lantern ring and rotates fast, from rotation portion and spool cooperation whipping to locking portion and spool cooperation on the locking lantern ring to make the spool unable to rotate, and then make the locking area can't continue to lengthen, thereby pin the backup pad, make the backup pad can't continue to descend, prevent that it from continuing the tenesmus, protection constructor's safety.

The utility model discloses further set up to: the anti-falling mechanisms are arranged into two groups and are respectively positioned at two ends of one side of the supporting plate.

Through adopting above-mentioned technical scheme for locking area is when taut backup pad, and locking is more stable.

The utility model discloses further set up to: the support plate is provided with a hanging ring, and the locking belt is provided with a hook which is matched with the hanging ring in a hooking way.

Through adopting above-mentioned technical scheme, hold the cooperation through couple and link hook and make the locking area fix in the backup pad for fix between locking area and the backup pad.

The utility model discloses further set up to: guard rails are arranged on the supporting plates.

By adopting the technical scheme, the safety of operators in working on the supporting plate is protected by arranging the protective guard.

The utility model discloses further set up to: the lifting mechanism is of a scissor fork structure and is driven to lift through a hydraulic cylinder.

Through adopting above-mentioned technical scheme, realize the function of elevating system drive backup pad.

The utility model discloses further set up to: the base is provided with a driving wheel, and the driving wheel is driven by a driving motor.

Through adopting above-mentioned technical scheme for this elevating gear is convenient for remove.

The utility model discloses further set up to: the base both sides are provided with the side wing of stabilizing, the side wing of stabilizing is kept away from the one end of base is equipped with the stabilizer bar, the stabilizer bar vertical set up and with stabilize side wing threaded connection, stabilizer bar and ground butt.

Through adopting above-mentioned technical scheme, when this elevating gear removed to operating position, through the stabilizer bar for stabilizer bar and ground butt make elevating gear be difficult for sliding, more stable.

The utility model discloses further set up to: the upper end of the stabilizer bar is provided with a rotating handle, and the lower end of the stabilizer bar is fixedly connected with a supporting round platform.

Through adopting above-mentioned technical scheme, twist grip makes operating personnel be convenient for rotate the stabilizer bar, and when the support round platform made stabilizer bar and ground butt, it was more stable, difficult slip.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the lifting device falls accidentally, the locking belt is pulled out quickly, the reel drives the locking lantern ring to rotate quickly, the locking lantern ring is thrown from the matching of the rotating part and the reel to the matching of the locking part and the reel, so that the reel cannot rotate, the locking belt cannot be continuously stretched, the supporting plate is locked, the supporting plate cannot be continuously lowered, the supporting plate cannot continuously fall, and the safety of constructors is protected;

2. the guard rail protects the safety of operators when the operators work on the supporting plate;

3. when this elevating gear removes to operating position, through the stabilizer bar that rotates for stabilizer bar and ground butt make elevating gear be difficult for sliding, and is more stable.

Drawings

Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged partial schematic view of portion B of FIG. 1;

FIG. 4 is a schematic structural view of a fall arrest mechanism according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a retractor according to an embodiment of the present invention.

In the figure, 1, a base; 11. a drive wheel; 12. stabilizing the side wings; 121. a stabilizer bar; 122. rotating the handle; 123. a supporting circular table; 2. a lifting mechanism; 3. an anti-falling mechanism; 31. mounting a plate; 32. a locking assembly; 321. a retractor; 3211. a partition plate; 3212. a reel; 3213. a wind-up roll; 3214. a locking collar; 3214a, an extension bump; 3215. locking the inner ratchet wheel; 322. a locking band; 3221. hooking; 33. a guide wheel; 3216. a coil spring; 4. a support plate; 41. protecting the fence; 42. and (5) hanging a ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 3, a lifting device with an anti-falling structure disclosed by the present invention comprises a base 1, a lifting mechanism 2, a support plate 4 and an anti-falling mechanism 3; the anti-falling device comprises a lifting mechanism 2, a supporting plate 4, an anti-falling mechanism 3, a locking assembly 32 and a guide wheel 33, wherein the lifting mechanism 2 is arranged on a base 1, the supporting plate 4 is arranged at the upper end of the lifting mechanism 2, and the anti-falling mechanism 3 comprises an anti-falling mechanism 3 which comprises an installation plate 31, a locking assembly 32 and a; the guide wheel 33 is installed on the installation plate 31, and the guide wheel 33 is higher than the support plate 4 at the highest position in the vertical direction.

Referring to fig. 1, a guard rail 41 is provided on the support plate 4. The safety of the operator when working on the support plate 4 is protected by providing the guard rail 41.

Specifically, the lifting mechanism 2 is of a scissor fork structure and is driven to lift through a hydraulic cylinder. The function of the lifting mechanism 2 for driving the support plate 4 is realized.

The base 1 is provided with a driving wheel 11, and the driving wheel 11 is driven by a driving motor. So that the lifting device is convenient to move.

Referring to fig. 1 and 2, stabilizing wings 12 are disposed on two sides of the base 1, a stabilizing rod 121 is disposed at one end of each stabilizing wing 12 away from the base 1, the stabilizing rod 121 is vertically disposed and is in threaded connection with the stabilizing wings 12, and the stabilizing rod 121 abuts against the ground. When this elevating gear moves to operating position, through rotatory stabilizer bar 121 for stabilizer bar 121 and ground butt make elevating gear be difficult for sliding, and is more stable.

Referring to fig. 3, a rotating handle 122 is provided at an upper end of the stabilizer bar 121, and a supporting round platform 123 is fixedly connected to a lower end of the stabilizer bar 121. The rotating handle 122 enables an operator to conveniently rotate the stabilizer bar 121, and the supporting round platform 123 enables the stabilizer bar 121 to be more stable and not easy to slide when being abutted to the ground.

Referring to fig. 1, 4 and 5, the locking assembly 32 includes a retractor 321 and a locking strap 322; a coiler 321 is arranged on the mounting plate 31, one end of a locking belt 322 is detachably fixed on the support plate 4, a partition plate 3211 is arranged in the coiler 321, the partition plate 3211 divides the coiler 321 into a coiling cavity and a locking cavity, the coiling cavity is provided with a reel 3212, the reel 3212 coaxially rotates with a coiling roller 3213, one end of the locking belt 322 far away from the support plate 4 is connected with the reel 3212, the reel 3212 is provided with a coil spring 3216, the reel 3212 penetrates through the partition plate 3211 and is provided with a notch at one end of the locking cavity, one end of the reel 3212 in the locking cavity is sleeved with a locking lantern ring 3214, the outer ring of the locking lantern ring 3214 is provided with a pawl, the inner ring of the locking lantern ring 3214 is provided with an extending bump 3214a, the width of the extending bump 3214a is smaller than the width of the notch and divides the locking lantern ring 3214 into a rotating part and a locking part, the locking collar 3214 rotates with the spool 3212, and when the spool 3212 is located at the locking portion, the pawl of the locking collar 3214 engages with the locking inner ratchet 3215 to be unable to rotate.

In order to make the locking more stable, further, the anti-falling mechanisms 3 are arranged into two groups and respectively located at two ends of one side of the supporting plate 4. So that the locking band 322 can be locked more stably when the support plate 4 is tightened.

Referring to fig. 3, the supporting plate 4 is provided with a hanging ring 42, and the locking band 322 is provided with a hook 3221 which is hooked and matched with the hanging ring 42. The locking belt 322 is fixed on the support plate 4 by the hook-and-hold fit of the hook 3221 and the hanging ring 42, so that the locking belt 322 is fixed with the support plate 4.

The implementation principle of the embodiment is as follows:

when the lifting device is used, the supporting plate 4 is driven to move in the vertical direction through the lifting mechanism 2, when the supporting plate 4 is driven, the locking belt 322 passes through the guide wheel 33 and then is fixed on the supporting plate 4, when the locking belt 322 is pulled out, the locking belt 322 drives the reel 3212 to rotate and enables the connected coil spring 3216 to rotate along the same direction, when the locking belt 322 is loosened, the reel 3212 is rotated in the opposite direction by the coil spring 3216, and the locking belt 322 is tensioned; when the elevating gear accident falls, the locking area 322 is pulled out fast, and spool 3212 drives the locking lantern ring 3214 and rotates fast, and the cooperation whipping of rotation portion and spool 3212 is gone up to locking portion and spool 3212 cooperation on the locking lantern ring 3214 to make spool 3212 unable to rotate, and then make the locking area 322 unable to continue to elongate, thereby pin backup pad 4, make backup pad 4 unable to continue to descend, prevent that it from continuing the tenesmus, protection constructor's safety.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a take elevating gear who prevents weighing down structure which characterized in that: comprises a base (1), a lifting mechanism (2), a supporting plate (4) and an anti-falling mechanism (3); the anti-falling device comprises a base (1), a lifting mechanism (2), a supporting plate (4), a falling prevention mechanism (3) and a lifting mechanism (2), wherein the lifting mechanism (2) is arranged on the base (1), the supporting plate (4) is arranged at the upper end of the lifting mechanism (2), and the falling prevention mechanism comprises an installation plate (31), a locking assembly (32) and a guide wheel (33);

the guide wheel (33) is arranged on the mounting plate (31), and the height of the guide wheel (33) in the vertical direction is higher than the height of the support plate (4) at the highest position;

the locking assembly (32) comprises a retractor (321) and a locking belt (322); the retractor (321) is installed on the installation plate (31), one end of the locking belt (322) is detachably fixed on the support plate (4), a separation plate (3211) is arranged in the retractor (321), the separation plate (3211) divides the retractor (321) into a winding cavity and a locking cavity, the winding cavity is provided with a reel (3212), one end of the locking belt (322) far away from the support plate (4) is connected with the reel (3212), the reel (3212) is provided with a coil spring (3216), the reel (3212) runs through the separation plate (3211) and is located at one end of the locking cavity and is provided with a notch, one end of the reel (3212) located in the locking cavity is provided with a locking lantern ring (3214), the outer ring of the locking lantern ring (3214) is provided with a pawl, the inner ring of the locking lantern ring (3214) is in an oval shape, and the inner ring of the locking lantern ring (3214) is provided with an, the width of the extension lug (3214 a) is less than the width of the notch and divides the inner ring of the locking lantern ring (3214) into a rotating part and a locking part, one side of the separation plate (3211) facing the locking cavity is fixedly connected with a locking inner ratchet wheel (3215), when the reel (3212) is located at the rotating part, the locking lantern ring (3214) rotates along with the reel (3212), and when the reel (3212) is located at the locking part, the pawl of the locking lantern ring (3214) is meshed with the locking inner ratchet wheel (3215) and cannot rotate.

2. The lifting device with the anti-falling structure, as claimed in claim 1, is characterized in that: the anti-falling mechanisms (3) are arranged into two groups and are respectively positioned at two ends of one side of the supporting plate (4).

3. The lifting device with the anti-falling structure, as claimed in claim 1, is characterized in that: a hanging ring (42) is arranged on the supporting plate (4), and a hook (3221) which is matched with the hanging ring (42) in a hooking manner is arranged on the locking belt (322).

4. The lifting device with the anti-falling structure, as claimed in claim 1, is characterized in that: and a protective guard (41) is arranged on the support plate (4).

5. The lifting device with the anti-falling structure, as claimed in claim 1, is characterized in that: the lifting mechanism (2) is of a scissor fork structure and is driven to lift through a hydraulic cylinder.

6. The lifting device with the falling protection structure according to any one of claims 1 to 5, wherein: the base (1) is provided with a driving wheel (11), and the driving wheel (11) is driven by a driving motor.

7. The lifting device with the falling prevention structure as claimed in claim 6, wherein: base (1) both sides are provided with stabilize flank (12), stabilize flank (12) and keep away from the one end of base (1) is equipped with stabilizer bar (121), stabilizer bar (121) vertical setting and with stabilize flank (12) threaded connection, stabilizer bar (121) and ground butt.

8. The lifting device with the falling prevention structure as claimed in claim 7, wherein: the upper end of the stabilizer bar (121) is provided with a rotating handle (122), and the lower end of the stabilizer bar (121) is fixedly connected with a supporting circular truncated cone (123).