CN213326380U - Electric single-beam crane - Google Patents

Abstract

The utility model discloses an electronic monospar hoist relates to monospar hoist technical field. The utility model comprises a crane body and a limiting disc, wherein the bottom end of the limiting disc is provided with a sliding hole and a groove which are communicated with each other from bottom to top, and two L-shaped limiting plates which are symmetrical about the sliding hole are arranged in the groove in a sliding way; a first rod body is arranged in the sliding hole in a sliding mode, and the top of the first rod body is coaxially provided with a limiting notch. The utility model discloses a middle part sliding fit at the slide opening has the first body of rod, when the lifting hook needs to be changed, take out first body of rod in the slide opening can to promoted the speed of changing the lifting hook, fixedly connected with bracing piece between first pivot and second pivot, the bracing piece is used for driving the fixed first body of rod of L type limiting plate, makes the lifting hook more stable with being connected of spacing disc, thereby has promoted the stability of hoist body.

Description

Electric single-beam crane

Technical Field

The utility model belongs to the technical field of the monospar hoist, especially, relate to an electronic monospar hoist.

Background

The single-beam bridge crane is a hoisting device which is transversely arranged above a workshop, a warehouse and a stock yard to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the single-beam bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity.

The existing most electric single-beam cranes can not be replaced according to the use condition of the lifting hook, and the lifting hook can fall off in serious situations.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic monospar hoist through screw rod, L type limiting plate, has solved the problem that exists among the above-mentioned prior art.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

an electric single-beam crane comprises a crane body and a limiting disc, wherein the bottom end of the limiting disc is sequentially provided with a sliding hole and a groove which are communicated with each other from bottom to top, and two L-shaped limiting plates which are symmetrical about the sliding hole are arranged in the groove in a sliding manner;

a first rod body is arranged in the sliding hole in a sliding mode, and the top of the first rod body is coaxially provided with a limiting notch;

a limiting sliding groove coaxial with the sliding hole is formed in the top in the groove, a second sliding rod is installed in the limiting sliding groove in a sliding mode, the other end of the second sliding rod is installed in the limiting groove in a sliding mode, a section, located in the limiting sliding groove, of the second sliding rod is sleeved with a spring, and the spring is located between the baffle and the limiting sliding groove;

a baffle is coaxially fixed on the second slide bar, two sides of the baffle are hinged with symmetrical support rods, the other ends of the support rods are correspondingly hinged on the inner side surface of a vertical plate of the L-shaped limiting plate, and a transverse plate of the L-shaped limiting plate is installed in an annular clamping groove formed in the peripheral side of the first rod body in a matching mode;

the motor is fixed to limiting groove opening bottom, the output end fixedly connected with screw rod of motor, and screw rod week side threaded connection's slide slides and matches in limiting groove opening, and screw rod upper portion slidable mounting is in the constant head tank that the axle center was seted up in the second slide bar bottom.

Optionally, a first limit groove matched with the support rod is formed in one side of the L-shaped limit plate, and a second limit groove matched with the support rod is formed in the two sides of the baffle.

Optionally, the two sides of the crane body are provided with limiting blocks, the guide rail is located between the two limiting blocks, and one end of the first rod body is fixedly connected with the lifting hook.

Optionally, one side fixedly connected with guide rail of hoist body, one side sliding fit of guide rail has the locating plate, and the downside fixedly connected with of locating plate is spacing disc.

Optionally, the sliding hole is communicated with the groove, and the supporting rod is hinged through a rotating shaft.

Optionally, a plurality of slide rails are uniformly distributed on the inner wall of the limiting notch, and the notch formed on the periphery of the slide plate is matched with the slide rails.

The embodiment of the utility model has the following beneficial effect:

the utility model discloses a middle part sliding fit at the slide opening has the first body of rod, when the lifting hook needs to be changed, take out first body of rod in the slide opening can to promoted the speed of changing the lifting hook, the bracing piece is used for driving the fixed first body of rod of L type limiting plate, makes the lifting hook more stable with being connected of spacing disc, thereby has promoted the stability of hoist body.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of a three-dimensional structure of a crane body according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a hook according to an embodiment of the present invention;

fig. 3 is a schematic view of a cross-sectional structure of a crane body according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a portion a in fig. 3.

Wherein the figures include the following reference numerals:

the crane comprises a crane body 1, a guide rail 2, a limiting block 3, a limiting disc 5, a positioning plate 6, a lifting hook 7, a first rod body 8, a sliding hole 9, a groove 11, a spring 12, a second rod body 13, a baffle plate 14, an L-shaped limiting plate 15, a limiting sliding groove 111, a supporting rod 17, a second rotating shaft 18, a sliding rail 19, a limiting notch 20, a screw 21, a sliding plate 22, a positioning groove 23 and a motor 24.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Referring to fig. 1 to 4, in the present embodiment, there is provided an electric single-beam crane, including: the crane comprises a crane body 1 and a limiting disc 5, wherein the bottom end of the limiting disc 5 is sequentially provided with a sliding hole 9 and a groove 11 which are communicated with each other from bottom to top, and two L-shaped limiting plates 15 which are symmetrical about the sliding hole 9 are arranged in the groove 11 in a sliding manner;

a first rod body 8 is arranged in the sliding hole 9 in a sliding mode, and a limiting notch 20 is formed in the top of the first rod body 8 coaxially;

a limiting sliding groove 111 coaxial with the sliding hole 9 is formed in the top of the groove 11, a second sliding rod 13 is installed in the limiting sliding groove 111 in a sliding mode, the other end of the second sliding rod 13 is installed in a limiting notch 20 in a sliding mode, a section, located in the limiting sliding groove 111, of the second sliding rod 13 is sleeved with a spring 12, and the spring 12 is located between a baffle 14 and the limiting sliding groove 111;

a baffle plate 14 is coaxially fixed on the second slide bar 13, two sides of the baffle plate 14 are hinged with mutually symmetrical support rods 17, the other ends of the support rods 17 are correspondingly hinged on the inner side surface of a vertical plate of an L-shaped limiting plate 15, and a transverse plate of the L-shaped limiting plate 15 is installed in an annular clamping groove formed in the peripheral side of the first rod body 8 in a matched manner;

the motor 24 is fixed at the bottom of the limiting notch 20, the output end of the motor 24 is fixedly connected with a screw rod 21, a sliding plate 22 in threaded connection with the peripheral side of the screw rod 21 is matched in the limiting notch 20 in a sliding mode, and the upper portion of the screw rod 21 is installed in a positioning groove 23 which is coaxially formed in the bottom end of the second sliding rod 13 in a sliding mode.

The application of one aspect of the embodiment is as follows: when lifting hook 7 needs to be changed, motor 24 is started first, make screw rod 21 with motor 24 output end fixed connection rotate, then screw rod 21 drives slide 22 to the one side motion of keeping away from the second body of rod 13, then spring 12 takes place elastic deformation and promotes the second body of rod 13 in to spacing notch 20, the second body of rod 13 drives bracing piece 17 simultaneously and rotates, and then drive L type limiting plate 15 to the one side motion of keeping away from the first body of rod 8, then the first body of rod 8 of pulling, make the first body of rod 8 follow roll-off in the slide opening 9, then change lifting hook 7 can, the same reason during the installation. It should be noted that the crane body 1 referred to in this application may be powered by a storage battery or an external power source.

Have first body of rod 8 through middle part sliding fit at slide opening 9, when lifting hook 7 needs to be changed, first body of rod 8 from slide opening 9 in take out can to promoted the speed of changing lifting hook 7, bracing piece 17 is used for driving the fixed first body of rod 8 of L type limiting plate 15, makes lifting hook 7 and spacing disc 5 be connected more stably, thereby has promoted crane body 1's stability.

The first spacing groove with bracing piece 17 adaptation is seted up to one side of the L type limiting plate 15 of this embodiment, and the second spacing groove with bracing piece 17 adaptation is all seted up to the both sides of baffle 14.

The both sides of the hoist body 1 of this embodiment all are provided with stopper 3, and guide rail 2 is located between two stopper 3, the one end fixedly connected with lifting hook 7 of the first body of rod 8.

The draw-in groove with the 15 adaptations of L type limiting plate is all seted up to the both sides of the first body of rod 8 of this embodiment, one side fixedly connected with guide rail 2 of hoist body 1, and one side sliding fit of guide rail 2 has locating plate 6, the spacing disc 5 of downside fixedly connected with of locating plate 6.

The inner wall of the limiting notch 20 of the embodiment is uniformly provided with a plurality of slide rails 19, and the notch formed on the peripheral side of the slide plate 22 is matched with the slide rails 19 so as to ensure the stability of the slide plate 22 during sliding.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims (5)

1. An electric single-beam crane, comprising: the crane comprises a crane body (1) and a limiting disc (5), wherein the bottom end of the limiting disc (5) is sequentially provided with a sliding hole (9) and a groove (11) which are communicated with each other from bottom to top, and two L-shaped limiting plates (15) which are symmetrical about the sliding hole (9) are arranged in the groove (11) in a sliding manner;

a first rod body (8) is arranged in the sliding hole (9) in a sliding mode, and a limiting notch (20) is formed in the top of the first rod body (8) coaxially;

a limiting sliding groove (111) coaxial with the sliding hole (9) is formed in the top in the groove (11), a second sliding rod (13) is installed in the limiting sliding groove (111) in a sliding mode, the other end of the second sliding rod (13) is installed in a limiting notch (20) in a sliding mode, a section, located in the limiting sliding groove (111), of the second sliding rod (13) is sleeved with a spring (12), and the spring (12) is located between the baffle (14) and the limiting sliding groove (111);

a baffle (14) is coaxially fixed on the second slide bar (13), two sides of the baffle (14) are hinged with mutually symmetrical support rods (17), the other ends of the support rods (17) are correspondingly hinged on the inner side surface of a vertical plate of the L-shaped limiting plate (15), and a transverse plate of the L-shaped limiting plate (15) is arranged in an annular clamping groove formed in the peripheral side of the first rod body (8) in a matched mode;

the motor (24) is fixed at the bottom of the limiting notch (20), the screw (21) is fixedly connected with the output end of the motor (24), the sliding plate (22) in threaded connection with the peripheral side of the screw (21) is matched in the limiting notch (20) in a sliding manner, and the upper part of the screw (21) is installed in the positioning groove (23) which is formed in the bottom end of the second sliding rod (13) and is coaxial with the axis in a sliding manner.

2. The electric single-beam crane is characterized in that one side of the L-shaped limiting plate (15) is provided with a first limiting groove matched with the supporting rod (17), and two sides of the baffle plate (14) are provided with second limiting grooves matched with the supporting rod (17).

3. An electric single-beam crane as claimed in claim 1, wherein one side of the crane body (1) is fixedly connected with a guide rail (2), one side of the guide rail (2) is slidably fitted with a positioning plate (6), and the lower side of the positioning plate (6) is fixedly connected with a limiting disc (5).

4. An electric single-beam crane according to claim 3, characterized in that the two sides of the crane body (1) are provided with the limiting blocks (3), the guide rail (2) is located between the two limiting blocks (3), and one end of the first rod body (8) is fixedly connected with the hook (7).

5. An electric single-beam crane as claimed in claim 1 or 4, wherein the inner wall of the limiting notch (20) is uniformly provided with a plurality of slide rails (19), and the slide rail notches arranged on the peripheral side of the slide plate (22) are matched with the slide rails (19).

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