CN217535090U

CN217535090U - Automatic unload crane anti-falling structure

Info

Publication number: CN217535090U
Application number: CN202220468723.4U
Authority: CN
Inventors: 袁松达; 乐久平
Original assignee: Fujian Huanao Elevator Technology Co ltd
Current assignee: Fujian Huanao Elevator Technology Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-10-04
Anticipated expiration: 2032-03-04

Abstract

The utility model relates to an unload crane anti falling device technical field, specifically be an automatic unload crane anti falling structure, including the safety hook, adjusting device is connected with the safety hook, adjusting device is including the lead screw, the lead screw outer wall is equipped with left-handed screw and right-handed screw, left-handed screw threaded connection has left-handed nut, right-handed screw threaded connection has right-handed nut, nut seat sliding connection is in the spout, adjusting device is still including the installation piece, the nut seat pierces through the spout and is connected with the installation piece, the safety hook passes through the connecting plate and is connected with the installation piece, the connecting plate is connected with the mounting panel through first bolt, first elongated slot has been seted up to the connecting plate, first bolt runs through first elongated slot and mounting panel screw connection. When the sizes of the elevator shafts are different, the third bolt is loosened, the screw rod is rotated, and the mounting blocks are driven to move through the screw rod, so that the distances of the falling protectors on the left side and the right side are adjusted. Through the arrangement, when a new construction site is reached, the falling protector does not need to be repeatedly disassembled, so that the construction time is saved.

Description

Automatic unload crane anti-falling structure

Technical Field

The utility model relates to a unload crane anti falling device technical field, specifically be an automatic unload crane anti falling structure.

Background

When installing the elevator guide rails in the elevator shaft, a lift is needed. In order to prevent the elevator from falling down accidentally, the falling protector is required to be arranged on the elevator. The safety brake is usually fixed to the elevator and has no adjusting function. Because the sizes of the elevator shafts are different, when a guide rail is installed in each new elevator shaft, the falling protector is detached according to the actual condition of a construction site, and the falling protector is installed again according to the actual construction position of the site, so that time and labor are wasted.

Based on this, the utility model designs an automatic unload crane anti falling structure to solve above-mentioned technical problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic unload crane anti falling structure for solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic unload crane and prevent structure that falls, including with elevator guide rail assorted safety hook, the safety hook sets up the below at the companion ladder, the bottom of companion ladder is provided with adjusting device, adjusting device is connected with the safety hook, adjusting device is including the lead screw, the lead screw passes through the bearing frame and connects in the companion ladder, the lead screw outer wall is provided with left-handed screw and right-handed screw, left-handed screw threaded connection has left-handed nut, right-handed screw threaded connection has right-handed nut, left-handed nut and right-handed nut are connected with the nut seat respectively, the companion ladder bottom be provided with nut seat assorted spout, nut seat sliding connection is in the spout, adjusting device is still including the installation piece, installation piece sliding connection is in the bottom of companion ladder, the nut seat pierces through the spout and is connected with the installation piece, the safety hook passes through the connecting plate and is connected with the installation piece, the connecting plate is connected with the installation piece through first bolt, first elongated slot has been seted up to the connecting plate, first bolt runs through first elongated slot and installation piece screw connection.

Preferably, a second long groove is formed in the bottom of the elevator, a second bolt is arranged on the elevator, and the second bolt penetrates through the second long groove and is in threaded connection with the mounting block.

Preferably, the diapire of companion ladder is provided with the steel sheet protection casing, the diapire at the companion ladder is connected to the one end of steel sheet protection casing, the other end and the nut seat of steel sheet protection casing are connected.

Preferably, the bottom of elevator is provided with two L templates, two the L template forms one with installation piece assorted sliding tray, installation piece sliding connection is in the sliding tray.

Preferably, the bearing frame is provided with a locking device for locking the screw rod, the locking device comprises a locking block connected with the bearing frame, a through hole is formed in the middle of the locking block, a notch communicated with the through hole is formed in the outer wall of the locking block, a threaded hole is formed in the left side of the notch, a penetrating hole is formed in the right side of the notch, the locking block is connected with a third bolt, one end of the third bolt is in threaded connection with the threaded hole through the penetrating hole, a polyurethane ring is arranged on the inner wall of the through hole, and the polyurethane ring is abutted to the outer wall of the screw rod.

Preferably, the inner wall of the polyurethane ring is provided with anti-skid lines.

Compared with the prior art, the beneficial effects of the utility model are that: when a new elevator shaft is constructed, the third bolt is loosened, the screw rod is rotated, the mounting blocks on the left side and the right side are driven to move through the screw rod, and when the sizes of the elevator shafts are different, the distance between the falling protectors on the left side and the right side can be adjusted through rotating the screw rod. Through the arrangement, when a new construction site is reached, the falling protector does not need to be repeatedly disassembled, so that the construction time is saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial structure of the adjusting device connected with the falling protector;

FIG. 3 is a partial top view of the elevator and adjustment device of the present invention;

FIG. 4 is a schematic view of the connection structure of the mounting block and the connecting plate of the present invention;

FIG. 5 is a schematic view of the connection structure of the nut seat and the mounting block of the present invention;

fig. 6 is a schematic structural view of the locking device of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a safety catch; 2. an elevator; 3. an adjustment device; 4. a screw rod; 5. a left-handed nut; 6. right-hand turning of the nut; 7. nut seat (ii) a; 8. a chute; 9. mounting blocks; 10. a connecting plate; 11. a first bolt; 12. a first elongated slot; 13. a second elongated slot; 14. a second bolt; 15. a steel plate protective cover; 16. an L-shaped plate; 17. a locking device; 18. a locking block; 19. a through hole; 20. a notch; 21. a threaded hole; 22. a through hole; 23. a third bolt; 24. a polyurethane ring.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example (b):

referring to fig. 1-6, the present invention provides a technical solution: the utility model provides an automatic unload crane and prevent structure that drops, including with elevator guide rail assorted safety hook 1, safety hook 1 is the current product that technical staff in the field can directly purchase, safety hook 1 sets up the below at companion ladder 2, the bottom of companion ladder 2 is provided with adjusting device 3, adjusting device 3 is connected with safety hook 1, adjusting device 3 is including lead screw 4, lead screw 4 passes through the bearing frame and connects in companion ladder 2, the outer wall of lead screw 4 is provided with left-handed screw and right-handed screw, left-handed screw threaded connection has left-handed nut 5, right-handed screw threaded connection has right-handed nut 6, left-handed nut 5 and right-handed nut 6 are connected with nut seat 7 respectively, companion ladder 2 bottom is provided with and is connected with nut seat 7 assorted spout 8, nut seat 7 sliding connection is in spout 8, adjusting device 3 still includes installation piece 9, installation piece 9 sliding connection is in companion ladder 2 bottom, nut seat 7 pierces through spout 8 and is connected with installation piece 9, companion hook 1 passes through connecting plate 10 and is connected with installation piece 9 through first bolt 11, first bolt 12 has seted up first screw connection elongated slot 9.

Specifically, a second long groove 13 is formed in the bottom of the elevator 2, a second bolt 14 is arranged on the elevator 2, and the second bolt 14 penetrates through the second long groove 13 and is in threaded connection with the mounting block 9. After the position of the safety hook is adjusted, the second bolt 14 is screwed, so that the mounting block 9 is prevented from being loosened in the construction process of the elevator.

Specifically, the diapire of companion ladder 2 is provided with steel sheet protection casing 15, and the diapire at companion ladder 2 is connected to the one end of steel sheet protection casing 15, and the other end and the nut seat 7 of steel sheet protection casing 15 are connected. The steel plate protective cover 15 is a telescopic protective cover and is an existing product. The items on the elevator are prevented from falling out of the chute 8 by the steel sheet guards 15.

Specifically, the bottom of the elevator 2 is provided with two L-shaped plates 16, the two L-shaped plates 16 form a sliding groove matched with the mounting block 9, and the mounting block 9 is slidably connected in the sliding groove.

Specifically, the bearing frame is provided with locking device 17 that is used for locking lead screw 4, locking device 17 is including the latch segment 18 of being connected with the bearing frame, the middle part of latch segment 18 is provided with through-hole 19, the breach 20 that is linked together with through-hole 19 is seted up to latch segment 18 outer wall, the left side of breach 20 is provided with screw hole 21, the right side of breach 20 is provided with through-hole 22, latch segment 18 is connected with third bolt 23, third bolt 23 one end is through-hole 22 and screw hole 21 threaded connection, through-hole 19 inner wall is provided with polyurethane ring 24, polyurethane ring 24 and the butt of lead screw 4 outer wall. After the safety guards on the left side and the right side are adjusted, the third bolt 23 is screwed, and the parts of the locking block 18 on the left side and the right side of the notch 20 are deformed through the third bolt 23, so that the outer wall of the screw rod is clamped, and the screw rod is prevented from rotating.

Specifically, the inner wall of the polyurethane ring 24 is provided with anti-skid lines. Through setting up anti-skidding line, increased the frictional force between polyurethane ring and the lead screw outer wall.

One specific application of this embodiment is: when a new elevator shaft is constructed, the second bolt 14 and the third bolt 23 are loosened, the screw rod 4 is rotated, and the screw rod 4 drives the left-handed nut 5 and the right-handed nut 6 to rotate simultaneously. When the left-handed nut 5 and the right-handed nut 6 are close to each other, the mounting blocks 9 on the left side and the right side are close to each other at the same time, so that the distance between the falling protectors 1 on the left side and the right side is reduced. When the left-handed nut 5 and the right-handed nut 6 are far away from each other, the mounting blocks 9 on the left side and the right side are simultaneously far away from each other, so that the distance between the falling protectors 1 on the left side and the right side is increased. After the distance between the safety guards 1 on the left and right sides is adjusted, the second bolt 14 and the third bolt 23 are tightened.

The installation blocks 9 on the left side and the right side are driven to move through the screw rod 4, and when the sizes of elevator shafts are different, the distance between the falling protectors 1 on the left side and the right side can be adjusted by rotating the screw rod 4. Through the arrangement, when a new construction site is reached, the falling protector 1 does not need to be repeatedly disassembled, and the construction time is saved.

When the falling protector 1 and the elevator guide rail deviate in the direction perpendicular to the length direction of the mounting block 9, the first bolt 11 is loosened, and the connecting plate 10 is pushed to move in the direction perpendicular to the length direction of the mounting block 9. The safety brake 1 is adjusted to the elevator guide rail and subsequently the first screw 11 is tightened.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an automatic unload crane and prevent structure that falls, including with elevator guide rail assorted safety hook (1), safety hook (1) sets up in the below of companion ladder (2), its characterized in that: the bottom of the elevator (2) is provided with an adjusting device (3), the adjusting device (3) is connected with the falling protector (1), the adjusting device (3) comprises a screw rod (4), the screw rod (4) is connected in the elevator (2) through a bearing seat, the outer wall of the screw rod (4) is provided with a left-handed thread and a right-handed thread, the left-handed thread is spirally connected with a left-handed nut (5), the right-handed thread is spirally connected with a right-handed nut (6), the left-handed nut (5) and the right-handed nut (6) are respectively connected with a nut seat (7), the bottom of the elevator (2) is provided with a sliding chute (8) matched with the nut seat (7), the nut seat (7) is connected in a sliding groove (8) in a sliding way, the adjusting device (3) also comprises an installation block (9), the mounting block (9) is connected to the bottom of the elevator (2) in a sliding way, the nut seat (7) penetrates through the sliding groove (8) and is connected with the mounting block (9), the falling protector (1) is connected with the mounting block (9) through a connecting plate (10), the connecting plate (10) is connected with the mounting block (9) through a first bolt (11), the connecting plate (10) is provided with a first long groove (12), and the first bolt (11) penetrates through the first long groove (12) and is in spiral connection with the mounting block (9).

2. The automatic unloading crane drop preventing structure as claimed in claim 1, wherein: a second long groove (13) is formed in the bottom of the elevator (2), a second bolt (14) is arranged on the elevator (2), and the second bolt (14) penetrates through the second long groove (13) and is in threaded connection with the mounting block (9).

3. The automatic unloading crane falling-off prevention structure as defined in claim 2, wherein: the bottom wall of the elevator (2) is provided with a steel plate protective cover (15), one end of the steel plate protective cover (15) is connected to the bottom wall of the elevator (2), and the other end of the steel plate protective cover (15) is connected with the nut seat (7).

4. The automatic unloading crane drop preventing structure as claimed in claim 1, wherein: the bottom of companion ladder (2) is provided with two L template (16), two L template (16) form one with installation piece (9) assorted sliding tray, installation piece (9) sliding connection is in the sliding tray.

5. The automatic unloading crane drop preventing structure as claimed in claim 1, wherein: the bearing frame is provided with locking device (17) that is used for locking lead screw (4), locking device (17) is including latch segment (18) be connected with the bearing frame, the middle part of latch segment (18) is provided with through-hole (19), breach (20) that are linked together with through-hole (19) are seted up to latch segment (18) outer wall, the left side of breach (20) is provided with screw hole (21), the right side of breach (20) is provided with through hole (22), latch segment (18) are connected with third bolt (23), third bolt (23) one end is through hole (22) and screw hole (21) threaded connection, through-hole (19) inner wall is provided with polyurethane ring (24), polyurethane ring (24) and lead screw (4) outer wall butt.

6. The automatic unloading crane drop preventing structure as claimed in claim 5, wherein: the inner wall of the polyurethane ring (24) is provided with anti-skid grains.