CN215047799U

CN215047799U - Mechanical protection mechanism suitable for lifting machine

Info

Publication number: CN215047799U
Application number: CN202121170029.6U
Authority: CN
Inventors: 陈茂城; 谢淼炬; 黄辉浩
Original assignee: Guangdong Saifeier Logistics Technology Co ltd
Current assignee: Guangdong Saifeier Logistics Technology Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-12-07
Anticipated expiration: 2031-05-27

Abstract

The application discloses mechanical type protection machanism suitable for lifting machine includes: the guardrail guide rails are vertically arranged and are used for being installed on two sides of the outer frame of the elevator; the protecting net is connected to the guardrail guide rail in a sliding and clamping manner; the fixed pulley is arranged above the protective net; the traction rope is wound on the fixed pulley, one end of the traction rope is fixedly connected with the protective net, and the other end of the traction rope is provided with a lifting traction piece which is positioned on one side of the protective net and can be clamped with the bottom of the inner frame of the lifting machine; the guide support is sleeved on the traction rope and located between the fixed pulley and the lifting traction piece, and is used for being installed on the outer frame of the elevator. This mechanical type protection machanism can drive the protecting wire net automatically and rise to the first floor position through the internal frame of lifting machine, does not deposit the circumstances such as electronic failure, has avoided when ordinary personnel maintain with the goods when not having the internal frame to go into the maintenance of lifting machine in the bottom have the potential safety hazard.

Description

Mechanical protection mechanism suitable for lifting machine

Technical Field

The utility model relates to a technical field in the aspect of the lifting machine safety protection especially relates to a mechanical type protection machanism suitable for lifting machine.

Background

At present in the automatic warehouse scheme, the first floor position of vertical lift machine and automation equipment butt joint only relies on electronic induction device to carry out safety protection, and electronic induction device if there is failure, has certain potential safety hazard to personnel maintenance and goods maintenance in the lift machine of entering when not having the inner gimbal frame at the bottom.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

The utility model aims at providing a mechanical type protection machanism suitable for lifting machine, it can drive the protecting wire net automatically and rise to fall to the first floor position through the internal frame of lifting machine, do not deposit the circumstances such as electron inefficacy, there is the potential safety hazard with the goods maintenance in the lifting machine of entering when not having the inside casing frame at the bottom when having avoided the maintenance of ordinary personnel, simple structure, safe and reliable, economic environmental protection.

(II) technical scheme

In order to achieve the above object, the utility model discloses a following technical scheme is in order to provide a mechanical type protection machanism suitable for lifting machine, include:

the guardrail guide rails are vertically arranged and are used for being installed on two sides of the outer frame of the elevator; the protecting net is connected to the guardrail guide rail in a sliding and clamping manner; the fixed pulley is arranged above the protective net; the traction rope is wound on the fixed pulley, one end of the traction rope is fixedly connected with the protective net, and the other end of the traction rope is provided with a lifting traction piece which is positioned on one side of the protective net and can be clamped with the bottom of the inner frame of the lifting machine; the guide support is sleeved on the traction rope and located between the fixed pulley and the lifting traction piece, and is used for being installed on the outer frame of the elevator.

The mechanical protection mechanism of the design scheme is installed at the position where the vertical elevator is in butt joint with the automation equipment, under the action of the fixed pulley, the other end of the traction rope upwards pulls the protection net, the protection net is opened from the position of a building door of the elevator in a proper manner, the protection net is driven to ascend through the inner frame of the elevator during lifting, mechanical automatic triggering is achieved, and the situations of electronic failure and the like are avoided. Because the protecting wire net is normally closed through the dead weight, the inner frame of the elevator is just opened when descending to the first floor position, and potential safety hazards and safety in maintenance of ordinary personnel and goods in the elevator when the inner frame is not arranged on the bottom layer are avoided.

In some embodiments, the method comprises: and the rope fixing piece is sleeved on the traction rope and connected with the top groove of the protecting net, and is used for fixing the traction rope and the protecting net. From this, strengthen the connectivity between haulage rope and the protecting wire net through the rope mounting, improve the stability of protecting wire net at the lift in-process.

In some embodiments, the rope fixing member is provided with a fixing hole for the traction rope to pass through, and a fixing groove is arranged below the fixing hole.

In some embodiments, the method comprises: the bottom locating part is arranged at the bottom of the guardrail guide rail and can be connected with the protective net in a clamping mode.

In some embodiments, the lifting traction element: including vertical setting with the through-hole that supplies the haulage rope to insert, connect the below of through-hole or the traction seat of one side, the top surface of this traction seat can be in order to accept the lifting machine internal frame with the bottom surface butt of lifting machine internal frame.

In some embodiments, the guide bracket comprises: the pull rope support comprises a support part transversely arranged, a guide hole positioned at one end of the support part and used for the pull rope to pass through, and an installation part connected with the other end of the support part.

In some embodiments, the sliding direction of the fixed pulley is perpendicular to the protective net.

Drawings

Fig. 1 is an exploded schematic view of a mechanical protection mechanism according to an embodiment of the present invention;

fig. 2 is another exploded view of the mechanical protection mechanism according to an embodiment of the present invention;

fig. 3 is a protection state diagram of the mechanical protection mechanism according to an embodiment of the present invention, applied to a hoist;

fig. 4 is an opening state diagram of the mechanical protection mechanism according to an embodiment of the present invention, which is suitable for use in a hoist.

Reference numerals:

1. a guardrail guide rail; 2. protecting the net; 3. fixing the pulley; 4. a hauling rope; 5. lifting the traction member; 51. a through hole; 52. a traction seat; 6. a guide bracket; 61. a support portion; 62. a guide hole; 63. an installation part; 7. a rope fixing member; 71. a fixing hole; 72. fixing grooves; 8. a bottom stop; 9. an inner frame of the elevator; 10. and the outer frame of the elevator.

Detailed Description

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification.

Referring to fig. 1 to 4, a mechanical protection mechanism for a hoist according to an embodiment of the present invention includes: the guardrail comprises a guardrail guide rail 1, a protective net 2, a fixed pulley 3, a traction rope 4, a lifting traction piece 5 and a guide bracket 6. The guardrail guide rails 1 are vertically arranged and are used for being installed on two sides of an outer frame 10 of the elevator; the protecting net 2 is connected on the guardrail guide rail 1 in a sliding and clamping way; the fixed pulley 3 is arranged above the protective net 2; the traction rope 4 is wound on the fixed pulley 3, one end of the traction rope 4 is fixedly connected with the protective net 2, the other end of the traction rope 4 is provided with a lifting traction piece 5, and the lifting traction piece 5 is positioned on one side of the protective net 2 and can be clamped with the bottom of the inner frame 9 of the elevator; the guide support 6 is sleeved on the traction rope 4, is positioned between the fixed pulley 3 and the lifting traction piece 5, and is used for being installed on the outer frame 10 of the elevator. Wherein the hauling cable 4 can be arranged as a steel cable.

As shown in fig. 3 and 4, the mechanical protection mechanism of the embodiment is installed at a position where the vertical elevator is butted with the automation equipment, and after the fixed pulley 3 is fixed above the guardrail guide rail 1, one end of the traction rope 4 is connected with the protection net by bypassing the fixed pulley 3, so as to achieve a normally closed state by using the self weight of the protection net 2; and when the inner frame 9 of the elevator descends to the first floor position, the bottom of the inner frame 9 of the elevator touches the lifting traction member 5 and then can press the lifting traction machine to move downwards, wherein the lifting traction member 5 is arranged at the other end of the traction rope 4. Therefore, under the action of the fixed pulley 3, the other end of the traction rope 4 pulls the protective net 2 upwards, the protective net 2 is opened from the position of the building door of the elevator in a proper way, the protective net is driven to ascend through the inner frame 9 of the elevator during lifting, mechanical automatic triggering is achieved, and the situations of electronic failure and the like are avoided. Because the protecting net 2 is in a normally closed state through dead weight, when the inner frame 9 of the elevator descends to the first floor position, the inner frame is opened, so that potential safety hazards and safety during maintenance of ordinary personnel and during maintenance of goods in the elevator without the inner frame on the bottom layer are avoided.

Therefore, in the protection state, due to the self weight of the protective net 2, the protective net 2 stays at the position of one floor of the elevator for spatial isolation, and at the moment, no matter people or goods can not enter the elevator. When the inner frame 9 of the elevator needs to reach a layer to deliver goods, the inner frame 9 of the elevator touches the lifting traction member 5 when descending, and the protective net 2 is driven by the traction rope 4 to be lifted upwards, so that the opening state is achieved. When the inner frame 9 of the elevator transports goods upwards, the protecting net 2 slides downwards along the guardrail guide rail 1 due to the dead weight of the protecting net 2, so that the closed state is recovered.

As shown in fig. 1 and 2, in the present embodiment, the present invention includes: and the rope fixing piece 7 is sleeved on the traction rope 4 and connected with the top groove of the protecting net 2, and is used for fixing the traction rope 4 and the protecting net 2. From this, strengthen the connectivity between haulage rope 4 and the protecting wire net 2 through rope mounting 7, improve the stability of protecting wire net 2 in the lift in-process.

As shown in fig. 1 and 2, in the present embodiment, the rope fixing member 7 is provided with a fixing hole 71 through which the pulling rope 4 passes, and a fixing groove 72 is provided below the fixing hole 71. From this, the fixed orifices 71 and haulage rope 4 realize pegging graft the setting, fixed slot 72 and the top surface of protecting wire netting 2 carry out the groove and connect, improve the area of contact of protecting wire netting 2 and mounting to further strengthen the connectivity between haulage rope 4 and the protecting wire netting 2.

As shown in fig. 1 to 4, the mechanical protection mechanism in this embodiment includes a bottom limiting member 8, and the bottom limiting member 8 is disposed at the bottom of the guardrail rail 1 and can be clamped with the protection net 2. Bottom locating part 8 can be in guardrail guide rail 1's bottom and the bottom butt of protecting wire net 2, and the position that the restriction protecting wire net 2 descends makes protecting wire net 2 can open in the first floor position, can dock with the outside automation equipment of lifting machine when the inner frame of perpendicular lifting machine descends to the first floor, prevents that protecting wire net 2 from passing through the gliding.

As shown in fig. 2, 3 and 4, in the lifting and pulling member 5 of the present embodiment: the traction device comprises a through hole 51 which is vertically arranged and used for inserting the traction rope 4 and a traction seat 52 connected below or on one side of the through hole 51, wherein the top surface of the traction seat 52 can be abutted against the bottom surface of the inner frame 9 of the elevator to support the inner frame 9 of the elevator. From this, through-hole 51 and haulage rope 4 realize pegging graft the setting, the bottom surface that pulls seat 52 and hoist inner frame 9 carries out the butt, can guarantee to promote and draw member 5 and have sufficient area of contact with hoist inner frame 9 to further strengthen the connectivity between haulage rope 4 and the hoist inner frame 9.

As shown in fig. 1 to 4, the guide bracket 6 in the present embodiment includes: a support part 61 arranged transversely, a guide hole 62 at one end of the support part 61 for the pull rope 4 to pass through, and a mounting part 63 connected with the other end of the support part 61. The mounting part 63 is used for fixing the guide bracket 6 on the outer frame of the elevator; the guide hole 62 can only supply the traction rope 4, so as to prevent the lifting traction piece 5 from being lifted upwards by limiting the height of one end of the traction rope 4 connected with the lifting traction piece 5 under the condition of no pressure; the supporting portion 61 is arranged between the mounting portion 63 and the guide hole 62 and used for providing a transverse transition space for the guide support 6, so that the guide support 6 can extend to a position close to the inner frame 9 of the elevator on the outer frame 10 of the elevator, the traction rope 4 is convenient to penetrate through the guide support 6 and then connected with the lifting traction piece 5, and the traction rope 4 can be in contact with the inner frame 9 of the elevator in the vertical direction.

As shown in fig. 1-4, in this embodiment, the top of the fixed sheave 3 is provided with a sheave support portion 61, and the top surface of the sheave support portion 61 can be fixedly connected to a cross beam on the elevator outer frame 10. Wherein, fixed pulley 3 realizes through the top surface of pulley supporting part 61 that the installation is fixed the back, makes haulage rope 4 walk around the pulley on the fixed pulley 3 to realize haulage rope 4's slip setting, simple structure, design benefit. Therefore, the fixed pulley 3 can be installed on a beam at the top of the second floor or a beam above the second floor of the outer frame 10 of the elevator, so that the traction rope 4 has enough lifting movable space for pulling the protective net 2 upwards from the first floor position of the elevator, and a butt joint channel between the inner frame 9 of the elevator and external automation equipment at the first floor position of the elevator is opened.

As shown in fig. 3 and 4, in the present embodiment, the sliding direction of the fixed sheave 3 is set perpendicular to the protection net 2. Therefore, the traction rope 4 can be directly connected with the protective net 2 after bypassing the fixed pulley 3, so that the rotating direction of the fixed pulley 3 is consistent with the lifting direction of the protective net 2, the structure is simple, and the manufacturing cost is low.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A mechanical protection mechanism suitable for a hoist, comprising:

the guardrail guide rails are vertically arranged and are used for being installed on two sides of the outer frame of the elevator;

the protecting net is connected to the guardrail guide rail in a sliding and clamping manner;

the fixed pulley is arranged above the protective net;

the traction rope is wound on the fixed pulley, one end of the traction rope is fixedly connected with the protective net, and the other end of the traction rope is provided with a lifting traction piece which is positioned on one side of the protective net and can be clamped with the bottom of the inner frame of the lifting machine;

the guide support is sleeved on the traction rope and located between the fixed pulley and the lifting traction piece, and is used for being installed on the outer frame of the elevator.

2. The mechanical guard mechanism for a hoist as claimed in claim 1, comprising: and the rope fixing piece is sleeved on the traction rope and connected with the top groove of the protecting net, and is used for fixing the traction rope and the protecting net.

3. The mechanical guard mechanism adapted for use with a hoist as claimed in claim 2, wherein: the rope fixing piece is provided with a fixing hole for the traction rope to pass through, and a fixing groove is formed below the fixing hole.

4. The mechanical guard mechanism for a hoist as claimed in claim 1, comprising: the bottom locating part is arranged at the bottom of the guardrail guide rail and can be connected with the protective net in a clamping mode.

5. The mechanical guard mechanism adapted for use with a hoist as claimed in claim 1, wherein: promote and draw the piece including vertical setting for the through-hole that the haulage rope inserted, connect the below of through-hole or the traction seat of one side, the top surface of this traction seat can be in order to accept the lifting machine internal frame with the bottom surface butt of lifting machine internal frame.

6. The mechanical guard mechanism adapted for use with a hoist as claimed in claim 1, wherein: the guide bracket includes: the pull rope support comprises a support part transversely arranged, a guide hole positioned at one end of the support part and used for the pull rope to pass through, and an installation part connected with the other end of the support part.

7. The mechanical guard mechanism adapted for use with a hoist as claimed in claim 1, wherein: the sliding direction of the fixed pulley is perpendicular to the protective net.