CN215626436U

CN215626436U - Overload controller for lifting platform

Info

Publication number: CN215626436U
Application number: CN202120555340.6U
Authority: CN
Inventors: 宋秀涛; 张小向; 张前防; 蔡雪梅
Original assignee: Haiyang New Hope Liuhe Feed Co ltd; Qingdao Liuhe Feed Co ltd; Wendeng Liuhe Feed Co ltd; Laiyang Liuhe Forage Co ltd; Shandong New Hope Liuhe Group Co Ltd
Current assignee: Haiyang New Hope Liuhe Feed Co ltd; Qingdao Liuhe Feed Co ltd; Wendeng Liuhe Feed Co ltd; Laiyang Liuhe Forage Co ltd; Shandong New Hope Liuhe Group Co Ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2022-01-25
Anticipated expiration: 2031-03-17

Abstract

The utility model discloses an overload controller of a lifting platform, which relates to the field of electromechanical equipment, and adopts the technical scheme that the overload controller comprises a photoelectric sensor fixedly arranged on one side above the lifting platform, wherein the photoelectric sensor is connected with a control end of a relay, and a normally closed contact of the relay is electrically connected with a motor power supply circuit of the lifting platform; the sensing end of the photoelectric sensor horizontally faces the upper part of the loading area of the lifting platform. The utility model has the beneficial effects that: this scheme is applied to the improvement to current ageing lift platform, surveys the height of putting things in good order the material on the lift platform through increasing photoelectric sensor, realizes the restriction to lift platform maximum load. This scheme can be applied in current lift platform environment through simple improvement, has splendid adaptability, and the overall cost is lower, can strengthen the security that lift platform used.

Description

Overload controller for lifting platform

Technical Field

The utility model relates to the field of electromechanical equipment, in particular to an overload controller of a lifting platform.

Background

The environments in which the lifting platform needs to be applied in the feed production field are numerous, however, with long-term use, the aging of the lifting platform is inevitable. As the equipment ages, the maximum load capacity which can be carried by the equipment is reduced, if the load is exceeded, the equipment can incline or even break, and if people pass by the equipment, safety accidents are easily caused. In the actual production process, since the device aging is a gradual process, it is impossible to eliminate it because it is lower than the design value. And for the staff, it is also difficult to grasp the quantity of each feeding.

SUMMERY OF THE UTILITY MODEL

In view of the above technical problems, the present invention provides an overload controller for a lifting platform.

The technical scheme is that the device comprises a photoelectric sensor fixedly arranged on one side above a lifting platform, wherein the photoelectric sensor is connected with a control end of a relay, and a normally closed contact of the relay is electrically connected with a motor power supply circuit of the lifting platform; the sensing end of the photoelectric sensor horizontally faces the upper part of the loading area of the lifting platform.

This scheme can be used for the transformation to current lift platform, because in actual production, the material of general shipment is bagged, and after daily shipment, same kind of material is located same region, so to lift platform, under the general condition, its daily use is same kind of material towards most circumstances, consequently this scheme adopts photoelectric sensor to measure the material stacking height on the lift platform, it is safe height to come to know its at every turn that bears the weight of high stacking bagged materials through the aassessment to lift platform load, thereby control lift platform's power supply through photoelectric sensor, if surpass and set for the height, then photoelectric sensor is shielded, the normally closed contact disconnection of relay this moment, lift platform's power supply line interrupt, unable operation. On the contrary, when the material stacking height is lower than the setting height of the photoelectric sensor, the lifting platform normally supplies power.

Preferably, the photoelectric sensor is fixed on the lifting platform through a support, the support comprises an upper support fixedly connected with the photoelectric sensor, the photoelectric sensor is fixedly arranged on the upper side of the upper support, the lower side of the upper support is connected with the upper end of a main supporting rod in a spherical hinge mode, and a locking bolt is arranged at the connection position of the main supporting rod and the upper support;

the lower end of the main supporting rod is connected with a lower support, and the lower support is fixedly connected with the upper side surface of the lifting platform

Preferably, the lower support comprises a support plate which is horizontally arranged, one side of the support plate is fixedly connected with a lower sleeve, the main support rod is sleeved in the lower sleeve and is in sliding connection with the lower sleeve, and a locking bolt is arranged on the side wall of the lower sleeve;

the supporting plate is characterized in that one horizontal side of the supporting plate is fixedly connected with an L-shaped limiting plate, the limiting plate comprises a connecting plate fixedly connected with one side of the supporting plate and a parallel plate perpendicular to the connecting rod, the parallel plate is parallel to one side of the supporting plate, a bolt hole is formed in the parallel plate, a positioning bolt is in threaded connection with the bolt hole, and the positioning bolt faces one side of the supporting plate and is rotatably connected with a clamping plate.

Preferably, the clamping plate is 7-shaped, the clamping plate comprises a side plate and a folded plate connected with one end of the side plate, the side plate is rotatably connected with the end part of the positioning bolt, and the folded plate is arranged towards one side of the support plate.

Preferably, a hanging component is arranged between the upper support and the lower support and comprises an upper sleeve, the upper sleeve is sleeved with the main support rod and is in sliding connection with the main support rod, and a locking bolt is arranged on the side wall of the upper sleeve;

one side of the upper sleeve is fixedly connected with a telescopic hook, and the telescopic hook is arranged on one side of the upper sleeve, which faces the support plate;

the telescopic hook comprises a fixed rod fixedly connected with the upper sleeve, a movable rod is sleeved outside the fixed rod and is far away from a vertical plate fixedly arranged at the lower side of one end of the upper sleeve.

The joint of the fixed rod and the movable rod of the telescopic hook is provided with a locking bolt.

Preferably, the upper support is further provided with a horizontal bubble.

The technical scheme provided by the embodiment of the utility model has the following beneficial effects: this scheme is applied to the improvement to current ageing lift platform, surveys the height of putting things in good order the material on the lift platform through increasing photoelectric sensor, realizes the restriction to lift platform maximum load. This scheme can be applied in current lift platform environment through simple improvement, has splendid adaptability, and the overall cost is lower, can strengthen the security that lift platform used.

Drawings

Fig. 1 is a schematic view of a usage status of an embodiment of the present invention.

Fig. 2 is a schematic overall structure diagram of the embodiment of the present invention.

Wherein the reference numerals are: 100. a lifting platform; 1. a photosensor; 2. a support; 21. an upper support; 22. a primary strut; 23. a lower support; 231. a support plate; 232. a lower sleeve; 233. a limiting plate; 234. positioning the bolt; 235. clamping a plate; 24. a hitch assembly; 241. an upper sleeve; 242. a telescopic hook is provided.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the utility model and are not intended to be limiting.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the utility model, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the utility model, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, e.g. as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1

Referring to fig. 1, the utility model provides a lifting platform overload controller, which comprises a photoelectric sensor 1 fixedly arranged on one side above a lifting platform 100, wherein the photoelectric sensor 1 is connected with a control end of a relay, and a normally closed contact of the relay is electrically connected with a power supply circuit of a motor of the lifting platform 100; the sensing end of the photoelectric sensor 1 is horizontally directed above the cargo carrying area of the lifting platform 100.

This scheme can be used to the transformation to current lift platform 100, because in actual production, the material of general shipment is bagged, and after daily shipment, same kind of material is located same region, so to lift platform 100, under the general condition, its daily use is same kind of material towards most cases, therefore this scheme adopts photoelectric sensor 1 to measure the material stacking height on the lift platform 100, it is safe height to know through the aassessment to lift platform 100 load how high stacking bagged materials of bearing at every turn, thereby control lift platform 100's power supply through photoelectric sensor 1, if surpass and set for the height, then photoelectric sensor 1 is shielded, the normally closed contact disconnection of relay this moment, lift platform 100's power supply line interrupt, unable operation. On the contrary, when the stacking height of the material is lower than the setting height of the photoelectric sensor 1, the lifting platform 100 is normally powered.

Example 2

On the basis of the embodiment 1, the photoelectric sensor 1 is fixed on the lifting platform 100 through the support 2, the support 2 comprises an upper support 21 fixedly connected with the photoelectric sensor 1, the photoelectric sensor 1 is fixedly arranged on the upper side of the upper support 21, the lower side of the upper support 21 is connected with the upper end of a main support rod 22 in a spherical hinge mode, and a locking bolt is arranged at the connection position of the main support rod 22 and the upper support 21;

the lower end of the main supporting rod 22 is connected with a lower support 23, and the lower support 23 is fixedly connected with the upper side surface of the lifting platform 100

The lower support 23 comprises a support plate 231 arranged horizontally, one side of the support plate 231 is fixedly connected with a lower sleeve 232, the main support rod 22 is sleeved in the lower sleeve 232, the main support rod 22 is connected with the lower sleeve 232 in a sliding manner, and a locking bolt is arranged on the side wall of the lower sleeve 232;

the horizontal side of the support plate 231 is fixedly connected with an L-shaped limiting plate 233, the limiting plate 233 comprises a connecting plate fixedly connected with one side of the support plate 231 and a parallel plate perpendicular to the connecting plate, the parallel plate is parallel to one side of the support plate 231, a bolt hole is formed in the parallel plate, a positioning bolt 234 is connected in the bolt hole in a threaded mode, and the positioning bolt 234 is rotatably connected with a clamping plate 235 towards one side of the support plate 231.

Cardboard 235 is "7" font, and cardboard 235 includes the curb plate and the folded plate of being connected with curb plate one end, and the curb plate rotates with positioning bolt 234's tip to be connected, and the folded plate sets up towards extension board 231 one side.

A hanging component 24 is arranged between the upper support 21 and the lower support 23, the hanging component 24 comprises an upper sleeve 241, the upper sleeve 241 is sleeved with the main support rod 22, the upper sleeve 241 is connected with the main support rod 22 in a sliding mode, and a locking bolt is arranged on the side wall of the upper sleeve 241;

one side of the upper sleeve 241 is fixedly connected with a telescopic hook 242, and the telescopic hook 242 is arranged on one side of the upper sleeve 241 facing the support plate 231;

the telescopic hook 242 comprises a fixing rod fixedly connected with the upper sleeve 241, a movable rod is sleeved on the outer side of the fixing rod, and a vertical plate is fixedly arranged on the lower side of one end, away from the upper sleeve 241, of the movable rod.

The joint of the fixed rod and the movable rod of the telescopic hook 242 is provided with a locking bolt.

The upper support 21 is also provided with a horizontal bubble.

The main supporting rod 22 is a split rod body and is composed of a plurality of short rods, and two adjacent short rods are fixedly connected through bolts.

Through support 2, can be convenient set up photoelectric sensor 1 on most lift platform 100, with the help of undersetting 23 and articulate subassembly 24, combine undersetting 23 and the guardrail part on lift platform upper portion to realize support 2's quick installation, adopt the cup joint structure of main tributary pole 22, adjustment photoelectric sensor 1's that can be convenient position.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The overload controller for the lifting platform is characterized by comprising a photoelectric sensor (1) fixedly arranged on one side above the lifting platform (100), wherein the photoelectric sensor (1) is connected with the control end of a relay, and a normally closed contact of the relay is electrically connected with a motor power supply circuit of the lifting platform (100); the sensing end of the photoelectric sensor (1) horizontally faces the upper part of a goods carrying area of the lifting platform (100).

2. The elevating platform overload controller according to claim 1, wherein the photoelectric sensor (1) is fixed on the elevating platform (100) through a bracket (2), the bracket (2) comprises an upper support (21) fixedly connected with the photoelectric sensor (1), the photoelectric sensor (1) is fixedly arranged on the upper side of the upper support (21), the lower side of the upper support (21) is connected with the upper end of a main support rod (22) in a ball hinge manner, and a locking bolt is arranged at the joint of the main support rod (22) and the upper support (21);

the lower end of the main supporting rod (22) is connected with a lower support (23), and the lower support (23) is fixedly connected with the upper side face of the lifting platform (100).

3. The elevating platform overload controller according to claim 2, wherein the lower support (23) comprises a horizontally arranged support plate (231), one side of the support plate (231) is fixedly connected with a lower sleeve (232), the main support rod (22) is sleeved in the lower sleeve (232), the main support rod (22) is slidably connected with the lower sleeve (232), and a locking bolt is arranged on the side wall of the lower sleeve (232);

the horizontal side of the support plate (231) is fixedly connected with an L-shaped limiting plate (233), the limiting plate (233) comprises a connecting plate fixedly connected with one side of the support plate (231) and a parallel plate perpendicular to the connecting rod, the parallel plate is parallel to one side of the support plate (231), a bolt hole is formed in the parallel plate, a positioning bolt (234) is connected with the bolt hole in a threaded mode, and the positioning bolt (234) faces one side of the support plate (231) and is rotatably connected with a clamping plate (235).

4. The elevating platform overload control of claim 3, wherein the catch plate (235) is "7" shaped, and the catch plate (235) comprises a side plate and a flap connected to one end of the side plate, the side plate is pivotally connected to the end of the positioning bolt (234), and the flap is disposed toward the side of the support plate (231).

5. The elevating platform overload controller according to claim 2, wherein a hanging component (24) is arranged between the upper support (21) and the lower support (23), the hanging component (24) comprises an upper sleeve (241), the upper sleeve (241) is sleeved with the main support rod (22), the upper sleeve (241) is slidably connected with the main support rod (22), and a locking bolt is arranged on the side wall of the upper sleeve (241);

one side of the upper sleeve (241) is fixedly connected with a telescopic hook (242), and the telescopic hook (242) is arranged on one side, facing the support plate (231), of the upper sleeve (241);

the telescopic hook (242) comprises a fixed rod fixedly connected with the upper sleeve (241), a movable rod is sleeved on the outer side of the fixed rod, and a vertical plate is fixedly arranged at the lower side of one end of the upper sleeve (241) and far away from the movable rod.

6. The elevating platform overload controller according to claim 3, wherein the upper support (21) is further provided with a level bubble.