CN220564134U

CN220564134U - Lubricating device for mechanical grab

Info

Publication number: CN220564134U
Application number: CN202321884838.2U
Authority: CN
Inventors: 柯为银; 柯方
Original assignee: Wuhu Xinke Lifting Equipment Co ltd
Current assignee: Wuhu Xinke Lifting Equipment Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-03-08
Anticipated expiration: 2033-07-18

Abstract

The utility model discloses a lubricating device for a mechanical grab, which comprises: the main part unit, it includes first fixed plate, the equal fixedly connected with of first fixed plate left and right sides surface is a plurality of connecting plates, fixedly connected with rope under the connecting plate, fixedly connected with is connected with the bottom plate through the axle rotation between the grab bucket under the rope, lubrication element, it is including setting up in a plurality of cases of placing of bottom plate upper surface, place the incasement bottom surface and placed the liquid reserve tank, fixedly connected with check valve under the liquid reserve tank, fixedly connected with under the check valve with place the hose of interactive connection between the case, place the case and keep away from rope one side surface rotation and be connected with the connecting rod. The beneficial effects are as follows: intermittent lubrication is carried out on the joint of the mechanical grab through the connecting structure provided with the rotating wheel, so that long-time efficient use of the mechanical grab is maintained, abrasion caused by operation of the mechanical grab is reduced, and consumption of lubricating liquid is reduced.

Description

Lubricating device for mechanical grab

Technical Field

The utility model relates to the technical field of mechanical grab buckets, in particular to a lubricating device for a mechanical grab bucket.

Background

The grab bucket is a special tool for the crane to grab the dry bulk goods. Two or more bucket-shaped jaw plates which can be opened and closed are combined together to form a storage space, and the mechanical grab bucket is not provided with an opening and closing structure and is usually driven by rope or connecting rod external force. The structure of the bearing of the mechanical grab after long-time use can gradually improve the friction force at the joint due to gravity, so that the abrasion at the joint of the grab is serious, and the conventional part of mechanical grab lubricating device is used for lubricating the joint frequently, so that the lubricating liquid is seriously consumed, and the excessive consumption of resources is caused.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The present utility model has been made in view of the above-described problems of a lubrication device for a mechanical grab.

Therefore, the utility model aims to provide a lubricating device for a mechanical grab, which is used for solving the problems that the friction force of a connecting part of a bearing of the mechanical grab is gradually increased due to gravity after the mechanical grab is used for a long time, so that the connecting part of the grab is seriously worn, and the conventional part of the mechanical grab lubricating device always adopts continuous lubrication when lubricating the connecting part, so that lubricating liquid is seriously consumed, resources are excessively consumed, and the like.

In order to solve the technical problems, the utility model provides the following technical scheme: a lubrication device for a mechanical grab, comprising:

the main body unit comprises a first fixed plate, wherein the outer surfaces of the left side and the right side of the first fixed plate are fixedly connected with a plurality of connecting plates, a connecting frame is connected between the inner surfaces of the front connecting plate and the rear connecting plate through shaft rotation, grab buckets are connected on the front side and the rear side of the connecting frame through shaft rotation, ropes are fixedly connected to the lower surfaces of the connecting plates, and a bottom plate connected with the grab buckets through shaft rotation is fixedly connected to the lower surfaces of the ropes;

the lubrication unit comprises a plurality of placing boxes arranged on the upper surface of the bottom plate, a liquid storage box is arranged on the bottom surface in the placing boxes, a one-way valve is fixedly connected to the lower surface of the liquid storage box, a hose in interactive connection with the placing boxes is fixedly connected to the lower surface of the one-way valve, a connecting rod is connected to the outer surface of one side of the placing boxes in a rotating mode, the outer surface of the connecting rod is connected with a pressing plate in a sliding mode through reciprocating threads, a second fixing plate in the rotating connection between the lower surface of the placing boxes and the connecting rod is fixedly connected to the outer surface of the connecting rod, a rotating wheel is connected to the outer surface of one side of the rotating wheel in a sliding mode, a fixing box is connected to the inner surface of the rotating wheel in a rotating mode, a plurality of clamping blocks are connected to the inner surface of the rotating wheel in a rotating mode through shafts, soft rubber is fixedly connected to the inner surface of the rotating wheel, a plurality of guiding pipes are connected to the outer surface of one side of the hose in a rotating mode, and a pull rope is arranged between the connecting plate and the rotating wheel.

As a preferable mode of the lubricating device for a mechanical grab according to the utility model, wherein: the clamping groove matched with the clamping block is formed in the outer surface of the connecting rod.

As a preferable mode of the lubricating device for a mechanical grab according to the utility model, wherein: anti-skid stripes are arranged between the outer surface of the connecting rod and the inner surface of the second fixing plate, and the stay ropes are made of wear-resistant linen.

As a preferable mode of the lubricating device for a mechanical grab according to the utility model, wherein: the hose is close to rope one side surface fixedly connected with limiting plate, the honeycomb duct is close to rope one side surface connection has the push pedal, the push pedal internal surface has the connecting axle of rotating connection between placing the case through screw thread sliding connection.

As a preferable mode of the lubricating device for a mechanical grab according to the utility model, wherein: the outer surface of the connecting shaft is fixedly connected with a rotary table.

As a preferable mode of the lubricating device for a mechanical grab according to the utility model, wherein: the upper surface of the placement box is connected with a cover plate through shaft rotation.

The utility model has the beneficial effects that: intermittent lubrication is carried out on the joint of the mechanical grab through the connecting structure provided with the rotating wheel, long-time efficient use of the mechanical grab is kept, abrasion caused by operation of the mechanical grab is reduced, consumption of lubricating liquid is reduced, and meanwhile, the discharge volume of the lubricating liquid can be rapidly adjusted according to the existing requirements.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic perspective view of a lubrication device for a mechanical grab according to the present utility model.

Fig. 2 is an enlarged schematic view of the lubricating apparatus for a mechanical grab of the present utility model at a position a in fig. 1.

Fig. 3 is a schematic sectional view of a lubrication apparatus for a mechanical grab according to the present utility model.

Fig. 4 is an enlarged schematic view of the lubricating apparatus for a mechanical grab of the present utility model at B in fig. 3.

Fig. 5 is a schematic cross-sectional view of a rear view of a lubrication apparatus for a mechanical grab according to the present utility model.

Fig. 6 is an enlarged view of the lubrication apparatus for a mechanical grab according to the present utility model at C in fig. 5.

Description of the drawings: 100. a main body unit; 101. a first fixing plate; 102. a connecting plate; 103. a connecting frame; 104. a rope; 105. a grab bucket; 106. a bottom plate; 200. a lubrication unit; 201. placing a box; 202. a liquid storage tank; 203. a one-way valve; 204. a hose; 205. a flow guiding pipe; 206. a connecting rod; 207. soft rubber; 208. a pressing plate; 209. a second fixing plate; 210. a rotating wheel; 211. a pull rope; 212. a clamping block; 213. a fixed box; 214. a first spring; 301. a connecting shaft; 302. a push plate; 303. a second spring; 304. a turntable; 305. a limiting plate; 306. and a cover plate.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Examples

Referring to fig. 1 to 6, for a first embodiment of the present utility model, there is provided a lubrication device for a mechanical grab, including: a main body unit 100 and a lubrication unit 200;

the main body unit 100 comprises a first fixed plate 101, wherein the outer surfaces of the left side and the right side of the first fixed plate 101 are fixedly connected with a plurality of connecting plates 102, a connecting frame 103 is connected between the inner surfaces of the front connecting plate 102 and the rear connecting plate 102 through shaft rotation, grab buckets 105 are connected on the front side and the rear side of the connecting frame 103 through shaft rotation, ropes 104 are fixedly connected on the lower surfaces of the connecting plates 102, and a bottom plate 106 connected with the grab buckets 105 through shaft rotation is fixedly connected on the lower surfaces of the ropes 104;

the lubrication unit 200 comprises a plurality of placing boxes 201 arranged on the upper surface of a bottom plate 106, a liquid storage box 202 is arranged on the inner bottom surface of the placing boxes 201, a one-way valve 203 is fixedly connected to the lower surface of the liquid storage box 202, a hose 204 which is in interactive connection with the placing boxes 201 is fixedly connected to the lower surface of the one-way valve 203, a connecting rod 206 is rotatably connected to the outer surface of one side of the placing boxes 201, the outer surface of the connecting rod 206 is slidably connected with a pressing plate 208 through reciprocating threads, a second fixing plate 209 which is rotatably connected to the connecting rod 206 is fixedly connected to the lower surface of the placing boxes 201, a rotating wheel 210 is slidably connected to the outer surface of one side of the rotating wheel 210, a fixing box 213 is fixedly connected to the outer surface of one side of the rotating wheel 210, a plurality of clamping blocks 212 are rotatably connected to the inner surface of the rotating wheel 210 through shafts, a soft rubber 207 is fixedly connected to the inner surface of the rotating wheel 210, a plurality of guiding pipes 205 are fixedly connected to the outer surface of one side of the rotating wheel 204, a pull rope 211 is arranged between the connecting plate 102 and the rotating wheel 210, a clamping groove matched with the clamping blocks 212 is formed in the outer surface of the connecting rod 206, a strip is arranged between the outer surface of the connecting rod 206 and the outer surface of the second fixing plate is arranged, a strip is arranged between the outer surface of the connecting rod 206 and the outer surface of the second fixing plate is provided with a strip, and the inner surface of the anti-skid resistant material.

The hose 204 is close to rope 104 one side surface fixedly connected with limiting plate 305, and honeycomb duct 205 is close to rope 104 one side surface and is connected with push pedal 302, and push pedal 302 internal surface is connected with through screw sliding connection with place connecting axle 301 of rotating between the case 201, and connecting axle 301 external surface fixedly connected with carousel 304, place the case 201 upper surface and be connected with apron 306 through the axle rotation.

Working principle: when the device is used, the rope 104 drives the bottom plate 106 to move up and down, the rope connected with the grab bucket 105 in the auxiliary connecting frame 103 is contracted to be matched with a device connected with the first fixing plate 101, so that the left grab bucket 105 and the right grab bucket 105 are separated, the two grab buckets 105 are driven to reset through the connecting structure of the rope 104 after the grab bucket 105 grabs the goods, the bottom plate 106 moves in a small range upwards in the resetting process, when the distance between the bottom plate 106 and the connecting plate 102 is lifted, the connecting plate 102 pulls the pull rope 211, the pull rope 211 drives the rotating wheel 210 to rotate, the clamping block 212 in the placing box 201 drives the connecting rod 206 to rotate under the action of the clamping groove connection, the soft rubber 207 is arranged on the inner surface of the pull rope 211 to push the pull rope 211 to be attached to the clamping groove, so that the pull rope 211 drives the connecting rod 206 to rotate, and when the pull rope 211 turns over, the anti-slip stripes arranged between the outer surface of the connecting rod 206 and the second fixing plate 209 have resistance, and the clamping groove of the connecting rod 206 can squeeze the pull rope 211 in the reverse rotation process of the pull rope 211, so that the pull rope 211 extrudes the soft rubber 207 under the action of the shaft, one anticlockwise side of the pull rope 211 is attached to the pull rope 211, the connecting rod 206 is not driven to rotate in the reverse rotation process of the pull rope 211 driven by the first spring 214, the pressing plate 208 is driven to reciprocate through the reciprocating threads in the rotation process of the connecting rod 206, so that the pressing plate 208 extrudes lubricating liquid in the hose 204, so that liquid in the hose 204 is discharged through the guide pipe 205, the mechanical grab part is lubricated according to the arrangement circulation direction, the lubricating liquid in the liquid storage tank 202 is poured into the hose 204 through the one-way valve 203, after the pressing plate 208 is separated from the hose 204, when needed, the connecting shaft 301 can be driven to rotate through the rotating hose 204, the push plate 302 is adjusted to be positioned on the lower surface of the placing box 201 through threaded connection between the connecting shaft 301 and the push plate 302, so that the position of the flow guide pipe 205 is adjusted, the capacity of the hose 204 is adjusted, the discharge amount of lubricating liquid is controlled, intermittent lubrication is carried out on the connecting part of the mechanical grab through the connecting structure provided with the rotating wheel, long-time efficient use of the mechanical grab is kept, abrasion caused during operation of the mechanical grab is reduced, consumption of lubricating liquid is reduced, and meanwhile, the discharge volume of the lubricating liquid can be rapidly adjusted according to the existing requirements.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. A lubrication device for a mechanical grab, comprising:

the main body unit (100) comprises a first fixed plate (101), wherein the outer surfaces of the left side and the right side of the first fixed plate (101) are fixedly connected with a plurality of connecting plates (102), a connecting frame (103) is connected between the inner surfaces of the front connecting plate and the rear connecting plate (102) through shaft rotation, grab buckets (105) are connected on the front side and the rear side of the connecting frame (103) through shaft rotation, ropes (104) are fixedly connected on the lower surface of the connecting plate (102), and a bottom plate (106) connected with the grab buckets (105) through shaft rotation is fixedly connected on the lower surface of the ropes (104);

lubrication unit (200), it is including setting up in a plurality of cases (201) of placing of bottom plate (106) upper surface, place case (201) inner bottom surface and place liquid reserve tank (202), surface fixedly connected with check valve (203) under liquid reserve tank (202), surface fixedly connected with under check valve (203) with place hose (204) of interactive connection between case (201), place case (201) and keep away from rope (104) one side surface rotation and be connected with connecting rod (206), connecting rod (206) surface is through reciprocating screw sliding connection have clamp plate (208), place case (201) lower surface fixedly connected with and connecting rod (206) between rotation connection's second fixed plate (209), connecting rod (206) surface sliding connection has runner (210), runner (210) are close to rope (104) one side surface sliding connection have fixed box (213), fixed box (213) keep away from rope (104) one side surface fixedly connected with runner (210) between fixedly connected with first spring (214), runner (210) inner surface is through the axle rotation and is connected with a plurality of runner (212), be connected with soft quality fixture block (212) between runner (212), the outer surface of one side, far away from the rope (104), of the hose (204) is fixedly connected with a plurality of guide pipes (205), and a pull rope (211) is arranged between the connecting plate (102) and the rotating wheel (210).

2. The lubrication device for a mechanical grab according to claim 1, wherein: the outer surface of the connecting rod (206) is provided with a clamping groove matched with the clamping block (212).

3. The lubrication device for a mechanical grab according to claim 1, wherein: anti-slip stripes are arranged between the outer surface of the connecting rod (206) and the inner surface of the second fixing plate (209), and the stay cord (211) is made of wear-resistant linen.

4. The lubrication device for a mechanical grab according to claim 1, wherein: the utility model discloses a hose, hose (204) are close to rope (104) one side surface fixedly connected with limiting plate (305), honeycomb duct (205) are close to rope (104) one side surface connection has push pedal (302), push pedal (302) internal surface is through screw sliding connection have with place connecting axle (301) of rotating between case (201).

5. The lubrication device for a mechanical grab according to claim 4, wherein: the outer surface of the connecting shaft (301) is fixedly connected with a rotary table (304).

6. The lubrication device for a mechanical grab according to claim 1, wherein: the upper surface of the placement box (201) is rotatably connected with a cover plate (306) through a shaft.