Anti-falling device for irradiation device hoister

Abstract

The utility model relates to an anti-falling device for a lifting machine of an irradiation device. The anti-falling device comprises a loop chain steel wire rope mechanism and a buckle mechanism, the loop chain steel wire rope mechanism comprises a left steel wire rope fixing frame, a right steel wire rope fixing frame, a steel wire rope guide wheel and a loop chain steel wire rope, the buckle mechanism comprises an anti-falling buckle support and an anti-falling buckle matched with the anti-falling buckle support, and the anti-falling buckle support is provided with a detection switch used for detecting the position of the anti-falling buckle. In the using process, when the buckle mechanism plays a blocking role, the loop chain steel wire rope is stressed, the elevator stops running, safe running of the elevator can be improved, and faults are reduced. Meanwhile, when the anti-falling buckles are placed at the buckle fixing positions, the buckles can stretch out, the lifting motion of the elevator can be effectively stopped, and the safety of maintenance personnel is protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of irradiation device, specifically for the anti -fall device for irradiation device hoist, especially for preventing the hoist from falling when preventing the hoist from being stuck with the box and causing the failure and equipment maintenance. BACKGROUND

[0002] Radiation processing is a mature modern technology after decades of development. Compared with high temperature, ethylene oxide sterilization technology, radiation sterilization has good penetration, can be carried out at room temperature, no residue, easy to control and other advantages, is a green, efficient processing method, has been widely used in medical care product irradiation sterilization, food irradiation preservation, polymer material irradiation modification and other aspects.

[0003] The irradiation device hoist is a common structure during irradiation processing. At present, the irradiation device hoist on the market will cause the bracket to be stuck in the high place and not to come down due to the outer sliding of the box on the hoist caused by mechanical aging, equipment failure and other reasons during the lifting process.

[0004] At the same time, when the hoist is maintained, the bracket will suddenly fall down, thereby causing harm to the personnel and equipment.

[0005] Therefore, there is an urgent need for an anti-falling device for the irradiation device hoist on the market to ensure the safe operation of the hoist. SUMMARY

[0006] The utility model discloses an improved anti-falling device for the irradiation device hoist, which can improve the safe operation of the hoist, reduce failures and protect the safety of maintenance personnel through structural improvement.

[0007] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is as follows: an anti-falling device for the irradiation device hoist, including a hoist, the hoist is provided with a hoist chain, characterized by: the anti-falling device includes a ring chain steel wire rope mechanism and a buckle mechanism; the hoist is provided with a group of symmetrically arranged hoist guide columns and a group of left and right hoist brackets; the ring chain steel wire rope mechanism includes left and right steel wire rope fixing frames, steel wire rope guide wheels, and a ring chain steel wire rope connecting the above-mentioned three; the ring chain steel wire rope cooperates with the hoist chain to form a ring chain, and the left and right hoist brackets are provided with hoist protection devices cooperating with the ring chain;

[0008] The buckle mechanism includes an anti-falling buckle support and an anti-falling buckle cooperating with the anti-falling buckle support, and the anti-falling buckle support is provided with a detection switch for detecting the position of the anti-falling buckle.

[0009] Preferably, the steel wire rope guide wheel is arranged at the bottom of the elevator, the left steel wire rope fixing frame is arranged on the left elevator bracket, and the right steel wire rope fixing frame is arranged on the right elevator bracket; the middle part of the ring chain steel wire rope passes through the steel wire rope guide wheel, and the two ends are fixedly connected with the left and right steel wire rope fixing frames respectively.

[0010] Further, the anti-falling buckle support is fixed to the inner side of the elevator guide column on one side, and the inner side of the elevator guide column on the other side is provided with a buckle fixing position matched with the anti-falling buckle structure, so that the buckle is stretched out to block the lifting movement of the elevator.

[0011] Further, one end of the anti-falling buckle is a switch touch end, and the other end is a fixed end, and the top of the anti-falling buckle is provided with a protruding cylindrical buckle to block the movement of the elevator.

[0012] Further, the anti-falling buckle support is provided with a bottom plate, one end of the bottom plate is provided with a detection switch fixing plate, and the other side is provided with an anti-falling buckle fixed end, and the anti-falling buckle fixed end is provided with a clamping groove matched with the fixed end.

[0013] Further, the detection switch is provided with a swingable switch arm, and the position of the switch arm is matched with the position of the switch touch end.

[0014] Compared with the prior art, the technical scheme of the utility model not only has the improvement of the overall technical scheme, but also has many improvements in details, specifically, has the following beneficial effects:

[0015] 1、The improved scheme, the anti-falling device includes a ring chain steel wire rope mechanism and a buckle mechanism;The ring chain steel wire rope mechanism includes left and right steel wire rope fixing frames, a steel wire rope guide wheel, and a ring chain steel wire rope that connects the three;When the buckle mechanism plays a blocking role, the ring chain steel wire rope is stressed, causing the elevator to stop running, which can improve the safe operation of the elevator, reduce faults and protect the safety of maintenance personnel;

[0016] 2、The technical scheme of the utility model, the buckle mechanism includes an anti-falling buckle support and an anti-falling buckle matched with the anti-falling buckle support, and a detection switch is arranged on the anti-falling buckle support to detect the position of the anti-falling buckle;When the elevator needs to operate normally, the buckle is inserted back into the anti-falling buckle support, and the buckle triggers the detection switch;Only when the detection switch has a signal, the control system will allow the elevator to move, thereby avoiding the false blocking problem caused by operating the elevator when the buckle is in the elevator guide frame;

[0017] 3. The utility model discloses a structure, the anti -falling buckle support is fixed in the one side hoist guide column inboard, the other side hoist guide column inboard is equipped with the buckle fixed position with the anti -falling buckle structure cooperation, make the buckle stretch out, be used for the lift of blocking, can effectively block the hoist when needing detection and maintenance, guarantee safety.

[0018] 4. The utility model discloses simple structure, reasonable layout, convenient to use, convenient to promote and utilize. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structural diagram of the utility model.

[0020] Figure 2 It is the dispersion structure diagram of the buckle mechanism of the utility model.

[0021] Reference signs:

[0022] 1, steel wire rope guide wheel;2, left steel wire rope fixed frame;3, right steel wire rope fixed frame;4, ring chain steel wire rope;5, detection switch;6, anti -falling buckle support;7, anti -falling buckle;8, buckle fixed position;

[0023] 51, switch arm;

[0024] 61, bottom plate;62 detection switch fixed plate;63, anti -falling buckle fixed end;

[0025] 71, switch touch end;72, fixed end;73 buckle. DETAILED DESCRIPTION

[0026] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, and obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of protection of the utility model.

[0027] The utility model provides a device for anti -falling of irradiation device hoist, including hoist, and hoist is equipped with hoist chain, specifically sees Figure 1The difference between the present application and the prior art is that the anti-falling device comprises a ring chain steel wire rope mechanism and a buckle mechanism; the elevator is provided with a group of symmetrically arranged elevator guide columns and a group of left and right elevator brackets; the ring chain steel wire rope mechanism comprises a left steel wire rope fixing frame 2, a right steel wire rope fixing frame 3, a steel wire rope guide wheel 1, and a ring chain steel wire rope 4 connected in series with the above three; the ring chain steel wire rope cooperates with the elevator chain to form a ring chain, and the left and right elevator brackets are provided with elevator protection devices cooperating with the ring chain; the buckle mechanism comprises an anti-falling buckle support 6 and an anti-falling buckle 7 cooperating with the anti-falling buckle support, and the anti-falling buckle support is provided with a detection switch 5 for detecting the position of the anti-falling buckle.

[0028] In use, when the elevator is in motion, if the left and right elevator brackets are blocked so that the elevator cannot move downward, the ring chain steel wire rope of the ring chain steel wire rope mechanism changes from the normal state of vertical falling to the state of being tightly stressed, which triggers the action of the elevator protection device on the left and right elevator brackets, so that the elevator stops running, and then the equipment alarms and stops after a certain period of time, thereby improving the safety in use. At the same time, when the anti-falling buckle is placed in the buckle fixing position, the buckle will be extended, which can effectively block the lifting movement of the elevator and protect the safety of the maintenance personnel.

[0029] Embodiment 1

[0030] In this embodiment, the anti-falling device for the elevator of the irradiation device comprises an elevator provided with an elevator chain, and the anti-falling device comprises a ring chain steel wire rope mechanism and a buckle mechanism; the elevator is provided with a group of symmetrically arranged elevator guide columns and a group of left and right elevator brackets; the ring chain steel wire rope mechanism comprises left and right steel wire rope fixing frames, a steel wire rope guide wheel 1, and a ring chain steel wire rope 4 connected in series with the above three; the ring chain steel wire rope cooperates with the elevator chain to form a ring chain, and the left and right elevator brackets are provided with elevator protection devices cooperating with the ring chain; the buckle mechanism comprises an anti-falling buckle support 6 and an anti-falling buckle 7 cooperating with the anti-falling buckle support, and the anti-falling buckle support is provided with a detection switch 5 for detecting the position of the anti-falling buckle.

[0031] Specifically, the steel wire rope guide wheel 1 is arranged at the bottom of the elevator, the left steel wire rope fixing frame is arranged on the left elevator bracket, and the right steel wire rope fixing frame is arranged on the right elevator bracket; the middle part of the ring chain steel wire rope passes through the steel wire rope guide wheel, and the two ends are fixedly connected with the left and right steel wire rope fixing frames. Under normal circumstances, the ring chain steel wire rope is in a normal state of vertical falling without stress, and when the bracket on one side is blocked and cannot move downward during the operation of the elevator, the ring chain steel wire rope of the ring chain steel wire rope mechanism is stressed, which causes the elevator protection device to start, the elevator to stop running, and the equipment to alarm and stop after a certain period of time.

[0032] Further, the anti-falling buckle support is fixed in the inner side of the one side of the hoist guide column, and the inner side of the other side of the hoist guide column is provided with a buckle fixing position 8 matched with the anti-falling buckle structure, so that the buckle is extended to block the lifting movement of the hoist.

[0033] The anti-falling buckle 7 has one end as a switch touch end 71 and the other end as a fixed end 72, and the top of the anti-falling buckle is provided with a protruding cylindrical buckle 73 to block the movement of the elevator. The anti-falling buckle support is provided with a bottom plate 61, one end of the bottom plate is provided with a detection switch fixing plate 62, and the other side is provided with an anti-falling buckle fixed end 63, and the anti-falling buckle fixed end is provided with a clamping groove matched with the fixed end. The detection switch is provided with a swingable switch arm 51, and the position of the switch arm is matched with the position of the switch touch end. When the fixed end of the anti-falling buckle is inserted into the clamping groove, the switch touch end of the anti-falling buckle will trigger the swingable switch arm on the detection switch, and the detection switch will send a signal that the anti-falling buckle is placed in place, and the system allows the hoist to operate. Thus, the false blocking problem caused by operating the hoist when the buckle is in the hoist guide frame is avoided.

[0034] Further, the detection switch signal line is connected to the input signal module of the main device controller; the control program is written on the main device program, and the detection switch signal is added to the hoist control program segment. When there is no detection signal, the hoist cannot be started. Since the controller here is prior art, the specific working principle will not be described again.

[0035] Example 2

[0036] In this embodiment, the endless chain steel wire rope mechanism includes a left steel wire rope fixing frame 2, a right steel wire rope fixing frame 3, a steel wire rope guide wheel 1, and an endless chain steel wire rope 4 connected in series; the endless chain steel wire rope cooperates with the hoist chain to form an endless chain, and the left and right hoist brackets are provided with hoist protection devices matched with the endless chain; the buckle mechanism includes an anti-falling buckle support 6 and an anti-falling buckle 7 matched with the anti-falling buckle support, and the anti-falling buckle support is provided with a detection switch 5 for detecting the position of the anti-falling buckle.

[0037] The left hoist bracket is provided with a left steel wire rope fixing frame, and the right hoist bracket is provided with a right steel wire rope fixing frame, which are symmetrically installed; the left and right steel wire rope fixing frames are vertically downward from the central position to the floor, and the steel wire rope guide wheel 1 is installed; the endless chain steel wire rope 4 passes through the guide wheel and is fixed on the left and right steel wire rope fixing frames, and the steel wire rope is in a natural vertical state after installation.

[0038] The anti-falling buckle support 6 is welded in the inner side of the guide column of the elevator, the detection switch 5 is fixed on the anti-falling buckle support, the detection switch is provided with a swingable switch arm, and the switch arm is usually at an angle of 45° upward; the anti-falling buckle is inserted on the anti-falling buckle support in the initial position and triggers the detection switch to give a signal, so that the elevator can normally work. When the elevator needs to be overhauled and maintained, the anti-falling buckle is inserted in the buckle fixing position after being taken out, so that the buckle is extended to block the lifting movement of the elevator, thereby ensuring the safety of the personnel during the maintenance and overhaul.

[0039] The above is a further detailed description of the utility model in combination with specific preferred embodiments, and the specific implementation of the utility model cannot be limited to the above description. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all of them should be regarded as belonging to the protection scope of the utility model.

Claims

1. Fall arrest device for an irradiation device hoist, comprising a hoist, which hoist is provided with a hoist chain, characterized in that: The anti-falling device comprises a ring chain steel wire rope mechanism and a buckle mechanism; The elevator is provided with a set of symmetrically arranged elevator guide columns and a set of left and right elevator brackets; The ring chain steel wire rope mechanism comprises left and right steel wire rope fixing frames, a steel wire rope guide wheel, and a ring chain steel wire rope connecting the above three components in series; The ring chain steel wire rope cooperates with the elevator chain to form a ring chain, and the left and right elevator brackets are provided with elevator protection devices cooperating with the ring chain; The buckle mechanism comprises an anti-falling buckle support and an anti-falling buckle cooperating with the anti-falling buckle support, and the anti-falling buckle support is provided with a detection switch for detecting the position of the anti-falling buckle.

2. The fall arrest device for an irradiation device hoist of claim 1, wherein: The steel wire rope guide wheel is arranged at the bottom of the elevator, the left steel wire rope fixing frame is arranged on the left elevator bracket, and the right steel wire rope fixing frame is arranged on the right elevator bracket; the middle part of the ring chain steel wire rope passes through the steel wire rope guide wheel, and the two ends are fixedly connected with the left and right steel wire rope fixing frames.

3. The fall arrest device for an irradiation device hoist of claim 1, wherein: The anti-falling buckle support is fixed to the inner side of one of the elevator guide columns, and the inner side of the other elevator guide column is provided with a buckle fixing position cooperating with the structure of the anti-falling buckle, so that the buckle extends to block the lifting movement of the elevator.

4. The fall arrest device for an irradiation device hoist of claim 1, wherein: One end of the anti-falling buckle is a switch contact end, and the other end is a fixed end; the top of the anti-falling buckle is provided with a protruding cylindrical buckle to block the movement of the elevator.

5. The fall arrest device for an irradiation device hoist of claim 4, wherein: The anti-falling buckle support is provided with a bottom plate, one end of the bottom plate is provided with a detection switch fixing plate, and the other side is provided with an anti-falling buckle fixed end, and the anti-falling buckle fixed end is provided with a buckle groove cooperating with the fixed end.

6. The fall arrest device for an irradiation device hoist of claim 4, wherein: The detection switch is provided with a swingable switch arm, and the position of the switch arm cooperates with the position of the switch contact end.

Images