CN220379414U - Lubricating device and mixer truck - Google Patents

Abstract

The utility model relates to the technical field of working machinery, and provides a lubricating device and a stirring vehicle, wherein the lubricating device is applied to the stirring vehicle, the stirring vehicle comprises a stirring cylinder and a riding wheel, and the lubricating device comprises: the pressing piece is arranged on the outer peripheral side of the stirring cylinder; a lubrication cylinder; the piston is slidably embedded in the lubricating cylinder and divides the lubricating cylinder into a rod cavity and a rodless cavity, and the pressing piece periodically acts on the piston to enable the piston to slide along the lubricating cylinder; the side wall of the rodless cavity is provided with a first oil outlet; a lubricant is arranged in the rodless cavity; and the elastic piece acts on the piston and is opposite to the acting force of the pressing piece on the piston. When the pressing piece rotates to the lowest position, the pressing piece contacts with the piston and presses the piston, the piston slides in the lubricating cylinder, and the lubricant in the rodless cavity is extruded from the first oil outlet to the lubricating port of the riding wheel; when the pressing piece rotates to the position away from the lowest position, the elastic piece pushes the piston upwards to return, and automatic lubrication is achieved through back and forth circulation.

Description

Lubricating device and mixer truck

Technical Field

The utility model relates to the technical field of working machinery, in particular to a lubricating device and a mixer truck.

Background

Along with the application development of diversification of the working machinery, the structure of the working machinery tends to develop in the aspects of refinement, humanization, convenient operation and maintenance and the like. For example, taking a mixer truck as an example, a concrete mixer truck is a special car, and in the process of operation, a mixer drum is driven by a driving motor to achieve the purposes of feeding, discharging and preventing solidification through a preset rotation mode (a preset rotating speed and a preset rotating direction).

In the prior art, in order to reduce friction between the roller path and the riding wheel, an operator can regularly smear lubricant on the roller path. However, when an operator applies lubricant, the operator is required to periodically climb to a predetermined location on the truck to apply the lubricant to the raceways, and it is often necessary to turn the mixing drum in order to apply it in place. The lubricating mode increases the labor capacity of operators and brings hidden danger to the personal safety of the operators.

Disclosure of Invention

The utility model provides a lubricating device and a mixer truck, which are used for solving the defects that in the prior art, labor capacity is increased and potential safety hazards are brought to human bodies when a mixer truck rollaway nest is lubricated manually.

The utility model provides a lubricating device which is applied to a mixer truck, wherein the mixer truck comprises a mixing drum and a riding wheel, and comprises:

the pressing piece is arranged on the outer peripheral side of the stirring cylinder and synchronously rotates along with the stirring cylinder;

a lubrication cylinder;

the piston is slidably embedded in the lubricating cylinder and divides the lubricating cylinder into a rod cavity and a rodless cavity, and the pressing piece periodically acts on the piston to enable the piston to slide along the lubricating cylinder; the side wall of the rodless cavity is provided with a first oil outlet, a lubricant is arranged in the rodless cavity, and the first oil outlet is communicated with a lubrication port of the riding wheel;

and the elastic piece acts on the piston and is opposite to the acting force of the pressing piece on the piston.

According to the lubricating device provided by the utility model, the lubricating device further comprises an oil storage cup, wherein a lubricant is arranged in the oil storage cup, a second oil outlet is formed in the side surface of the oil storage cup, and the second oil outlet is communicated with the oil inlet of the rodless cavity.

According to the lubricating device provided by the utility model, the lubricating device further comprises a transmission assembly, wherein the transmission assembly is communicated with the first oil outlet, and the transmission assembly is used for communicating lubricant to the lubricating port.

According to the present utility model there is provided a lubrication apparatus, the transmission assembly comprising:

the oil distributor is provided with a plurality of oil distributing ports and is communicated with the first oil outlet;

the fixed bracket is arranged on the riding wheel;

the lubricating hairbrush is arranged on the fixed bracket and is contacted with the riding wheel;

the lubricating port is communicated with the oil distributing port through a pipeline; the lubricating hairbrush is communicated with the oil distributing port through a pipeline.

According to the lubricating device provided by the utility model, the first one-way valve is arranged between the oil separator and the lubricating cylinder, and the flow direction of the first one-way valve is from the lubricating cylinder to the oil separator.

According to the lubricating device provided by the utility model, the second one-way valve is arranged between the oil storage cup and the lubricating cylinder, and the flow direction of the second one-way valve is from the oil storage cup to the lubricating cylinder.

According to the utility model, the oil storage cup comprises:

the cup body is internally provided with a lubricant, and the top of the side surface of the cup body is provided with a vent hole;

the cup cover is arranged at the top of the cup body;

an oil filling port is formed in the cup body or the cup cover, and the second oil outlet is formed in the bottom of the side face of the cup body.

According to the lubricating device provided by the utility model, the pressing part adopts the cam.

According to the present utility model there is provided a lubrication device, the piston comprising:

the piston head is in sliding connection with the inner wall of the lubricating cylinder;

the piston rod is embedded in the inner wall of the lubricating cylinder, and one end of the piston rod is connected with the piston head; the elastic piece is sleeved on the periphery of the piston rod;

the piston cap is connected to the other end of the piston rod; the pressing piece and the piston cap are pressed periodically;

one end of the elastic piece is abutted with the lubricating cylinder, and the other end of the elastic piece is abutted with the piston cap.

The utility model also provides a mixer truck, comprising: the riding wheel and the lubricating device are used for lubricating the riding wheel.

According to the lubricating device provided by the utility model, the pressing part changes in position along with the rotation of the stirring cylinder, when the pressing part rotates to the lowest position, the pressing part contacts with the piston and presses the piston, the piston slides in the lubricating cylinder, and the lubricant in the rodless cavity is extruded from the first oil outlet to the lubricating port of the riding wheel; when the pressing part rotates to the lowest position, the elastic part pushes the piston upwards, and automatic lubrication is achieved through back and forth circulation.

The mixer truck provided by the utility model has various advantages due to the fact that the mixer truck comprises the lubricating device.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an installation of a lubrication apparatus provided by the present utility model;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the installation of the lubrication apparatus provided by the present utility model (with the stirring cylinder removed);

FIG. 4 is an enlarged schematic view of the structure at B in FIG. 3;

FIG. 5 is a schematic illustration of the connection of a lubrication cylinder and a piston provided by the present utility model;

FIG. 6 is a schematic view of the structure of the oil storage cup provided by the utility model;

reference numerals:

1. pressing; 2. a stirring cylinder; 3. a lubrication cylinder; 31. a rod cavity is arranged; 32. a rodless cavity; 33. a first oil outlet; 34. an oil inlet; 4. a piston; 41. a piston head; 42. a piston rod; 43. a piston cap; 5. an elastic member; 6. an oil storage cup; 61. a second oil outlet; 62. a vent hole; 63. a cup cover; 64. an oil filling port; 65. a cup body; 7. a transmission assembly; 71. an oil separator; 72. a fixed bracket; 73. a lubricating brush; 74. a pipe; 8. a first one-way valve; 9. a second one-way valve; 10. and (3) a riding wheel.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The lubricating device of the present utility model is described below with reference to fig. 1 to 6.

As shown in fig. 1, 2 and 5, the present utility model provides a lubrication device applied to a mixer truck, the mixer truck including a mixer drum 2 and a riding wheel 10, the lubrication device including a pressing member 1, a lubrication cylinder 3, a piston 4 and an elastic member 5, the pressing member 1 being disposed at an edge of an outer peripheral side of the mixer drum 2 so that the pressing member 1 rotates synchronously with the mixer drum 2; the piston 4 is slidably embedded in the lubricating cylinder 3, the piston 4 divides the lubricating cylinder 3 into a rod cavity 31 and a rodless cavity 32, the pressing piece 1 periodically acts on the piston 4 to enable the piston 4 to slide along the lubricating cylinder 3, and a first oil outlet 33 is formed in the side wall of the rodless cavity 32; a lubricant is disposed within the rodless cavity 32, wherein the lubricant may be a lubricating oil or grease. The elastic piece 5 acts on the piston 4 and is opposite to the acting force of the pressing piece 1 on the piston; the first oil outlet 33 is communicated with a lubrication port of the riding wheel 10, and the riding wheel 10 is circumscribed with the stirring cylinder 2, so that lubrication of a roller path of the stirring cylinder 2 is realized.

Wherein periodic pressing is understood to mean that when the mixing drum 2 is rotated to the lowest position of the pressing member 1, the pressing member 1 contacts the piston 4 and presses the piston 4 downward; when the drum 2 continues to rotate and the press 1 leaves the lowest position, the press 1 is out of contact with the piston 4 and no pressing action is present anymore. In addition, the periodicity may be regular or irregular.

According to the pipeline lubrication device for the mixer truck, provided by the utility model, the position of the pressing piece 1 changes along with the rotation of the mixing drum 2, when the pressing piece 1 rotates to the lowest position, the pressing piece 1 contacts with the piston 4 and presses the piston 4, the piston 4 moves in the lubrication cylinder 3, and the lubricant in the rodless cavity 32 is extruded from the first oil outlet 33 to the lubrication port of the riding wheel 10; when the pressing member 1 rotates to the position away from the lowest position, the elastic member 5 pushes up the piston 4, and automatic lubrication is achieved by the back and forth circulation. The lubrication port of the riding wheel 10 can comprise a lubrication port of a raceway where the riding wheel 10 contacts with the stirring cylinder 2, and can also comprise a lubrication port at a bearing where the riding wheel 10 rotates. According to the lubricating device provided by the utility model, the stirring cylinder 2 is driven to rotate, so that automatic lubrication is realized on a roller path and the like of a stirring vehicle, the workload of operators is reduced, and the potential safety hazard of the operators is reduced.

Wherein the elastic member 5 may employ a return spring.

As shown in fig. 1, 2, 3, 4 and 6, in one embodiment of the present utility model, the oil storage cup 6 further includes an oil storage cup 6, the oil storage cup 6 may be hollow and cylindrical, a lubricant is disposed in the oil storage cup 6, and a second oil outlet 61 is opened on a side surface of the oil storage cup 6, and the second oil outlet 61 is communicated with the oil inlet 34 of the rodless cavity 32.

In the lubrication device provided by the embodiment, when the mixing drum 2 rotates to the lowest position of the pressing piece 1, the pressing piece 1 contacts with the piston 4 and presses the piston 4, the piston 4 moves in the lubrication cylinder 3, and the lubricant in the rodless cavity 32 is extruded from the first oil outlet 33 to the lubrication port of the riding wheel 10; when the pressing member 1 rotates to the position away from the lowest position, the elastic member 5 pushes up the piston 4 to form a vacuum chamber, and then the pressure difference causes the lubricant in the oil storage cup 6 to enter the interior of the lubrication cylinder 3, thereby realizing automatic lubrication through back and forth circulation.

As shown in fig. 3 and 4, in one embodiment of the present utility model, the device further includes a transmission assembly 7, where the transmission assembly 7 is in communication with the first oil outlet 33, and the transmission assembly 7 is configured to communicate the lubricant to the lubrication port, and the transmission assembly 7 is configured to transmit the lubricant to a designated location, so as to lubricate the raceway.

As shown in fig. 4, in one embodiment of the present utility model, the transfer assembly 7 includes an oil separator 71, a fixing bracket 72, and a lubrication brush 73, and the oil separator 71 is provided with a plurality of oil separating ports, which are generally uniformly disposed at the side of the oil separator 71, so as to facilitate smooth outflow of the lubricant. The fixed bracket 72 is arranged on the riding wheel 10; the lubricating brush 73 is arranged on the fixed bracket 72, and the lubricating brush 73 is contacted with the riding wheel 10; the lubrication port is communicated with the oil distributing port through a pipeline 74, and the lubrication hairbrush 73 is communicated with the oil distributing port through a pipeline 74. Wherein the oil separator 71 may also be provided for the flow. The lubrication port and the lubrication brush 73 need to be communicated with different oil distribution ports.

In one embodiment of the utility model, a first non-return valve 8 is provided between the oil separator 71 and the lubrication cylinder 3. A second one-way valve 9 is arranged between the oil storage cup 6 and the lubrication cylinder 3. The first check valve 8 is allowed to flow only from the lubrication cylinder 3 to the oil separator 71, and the second check valve 9 is allowed to flow only from the oil reservoir 6 to the lubrication cylinder 3. The arrangement of the first check valve 8 and the second check valve 9 can avoid the backflow of lubricating oil when the piston 4 moves back and forth.

As shown in fig. 6, in one embodiment of the present utility model, the oil storage cup 6 includes a cup body 65 and a cup cover 63, the cup cover 63 is detachably disposed on the top of the cup body 65, the inside of the cup body 65 is provided with a lubricant, the top of the side surface of the cup body 65 is provided with a vent hole 62, the vent hole 62 is convenient to communicate with the outside, in addition, the vent hole 62 can also be used as an observation hole, so that a worker can conveniently observe the liquid level of the lubricant and observe whether the lubricant is full; the cup cover 63 is arranged on the top of the cup body 65; an oil filling port 64 is arranged on the cup body 65 or the cup cover 63, a second oil outlet 61 is arranged at the bottom of the side face of the cup body 65, and the second oil outlet 61 is communicated with the oil inlet 34 of the lubrication cylinder 3 so that the lubricant in the cup body 65 can circulate into the lubrication cylinder 3.

In one embodiment of the utility model, the pressing member 1 employs a cam that periodically presses the piston 4.

As shown in fig. 5, in one embodiment of the present utility model, the piston 4 includes a piston head 41, a piston rod 42, and a piston cap 43, the piston head 41 is disposed inside the lubrication cylinder 3, and the piston head 41 is slidably connected to an inner wall of the lubrication cylinder 3; the piston rod 42 is embedded in the inner wall of the lubricating cylinder 3, one end of the piston rod 42 is connected with the piston head 41, and the other end of the piston rod 42 is connected with the piston cap 43; the pressing member 1 is periodically pressed with the top of the piston cap 43, and when the pressing member 1 rotates to the lowest position along with the mixing drum 2, the pressing member 1 contacts with the piston cap 43 and presses the piston cap 43; an elastic member 5 is provided around the piston rod 42, and one end of the elastic member 5 abuts against the lubrication cylinder 3 and the other end abuts against the piston cap 43.

When the stirring cylinder 2 rotates, when the pressing piece 1 rotates to the lowest position, the pressing piece 1 contacts with the piston cap 43, the piston cap 43 is pressed to move downwards, the lubricant in the lubricating cylinder 3 is extruded, the stirring cylinder 2 continues to rotate, when the pressing piece 1 rotates to the lowest position, the elastic piece 5 drives the piston cap 43 to move upwards under the action of elasticity, the elastic piece 5 pushes upwards to form a vacuum cavity, and the pressure difference enables the lubricant in the oil storage cup 6 to enter the lubricating cylinder 3, so that circulation is realized, and automatic lubrication is realized.

The mixer truck provided by the utility model is described below, and the mixer truck described below and the lubricating device described above can be referred to correspondingly.

Another aspect of the utility model is to provide a truck mixer comprising a riding wheel 10 and a lubrication device as described above for lubricating the riding wheel 10.

The mixer truck provided by the utility model has various advantages due to the inclusion of the lubricating device.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "manner," "particular modes," or "some modes," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or mode is included in at least one embodiment or mode of the embodiments of the present utility model. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or manner. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or ways. Furthermore, various embodiments or modes and features of various embodiments or modes described in this specification can be combined and combined by those skilled in the art without mutual conflict.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. Lubricating arrangement is applied to the trucd mixer, the trucd mixer includes churn (2) and riding wheel (10), its characterized in that includes:

the pressing piece (1) is arranged on the outer periphery side of the stirring cylinder (2) so as to synchronously rotate along with the stirring cylinder (2);

a lubrication cylinder (3);

the piston (4) is slidably embedded in the lubricating cylinder (3) and divides the lubricating cylinder (3) into a rod cavity (31) and a rodless cavity (32), and the pressing piece (1) periodically acts on the piston (4) so as to enable the piston (4) to slide along the lubricating cylinder (3); a first oil outlet (33) is formed in the side wall of the rodless cavity (32), a lubricant is arranged in the rodless cavity (32), and the first oil outlet (33) is communicated with a lubrication port of the riding wheel (10);

and an elastic member (5) acting on the piston (4) and opposing the force of the pressing member (1) acting on the piston (4).

2. The lubrication device according to claim 1, further comprising an oil reservoir cup (6), wherein a lubricant is provided inside the oil reservoir cup (6), and wherein a second oil outlet (61) is provided in a side surface of the oil reservoir cup (6), the second oil outlet (61) being in communication with the oil inlet (34) of the rodless cavity (32).

3. The lubrication device according to claim 1, further comprising a transfer assembly (7), the transfer assembly (7) being in communication with the first oil outlet (33), and the transfer assembly (7) being adapted to communicate lubricant to the lubrication port.

4. A lubrication device according to claim 3, wherein the transmission assembly (7) comprises:

an oil separator (71) provided with a plurality of oil separation ports, wherein the oil separator (71) is communicated with the first oil outlet (33);

the fixed bracket (72) is arranged on the riding wheel (10);

a lubricating brush (73) arranged on the fixed bracket (72), wherein the lubricating brush (73) is contacted with the riding wheel (10);

the lubricating port is communicated with the oil distributing port through a pipeline (74); the lubricating hairbrush (73) is communicated with the oil distributing port through a pipeline (74).

5. Lubricating device according to claim 4, characterized in that a first non-return valve (8) is arranged between the oil separator (71) and the lubricating cylinder (3), and that the flow direction of the first non-return valve (8) is from the lubricating cylinder (3) to the oil separator (71).

6. Lubricating device according to claim 2, characterized in that a second non-return valve (9) is arranged between the oil reservoir (6) and the lubricating cylinder (3), and that the flow direction of the second non-return valve (9) is from the oil reservoir (6) to the lubricating cylinder (3).

7. Lubricating device according to claim 2, characterized in that the oil reservoir cup (6) comprises:

the cup body (66) is internally provided with a lubricant, and the top of the side surface of the cup body (66) is provided with a vent hole (62);

the cup cover (63) is arranged at the top of the cup body (66);

an oil filling port (64) is formed in the cup body (66) or the cup cover (63), and the second oil outlet (61) is formed in the bottom of the side face of the cup body (66).

8. Lubricating device according to claim 1, characterised in that the press (1) employs cams.

9. Lubricating device according to claim 1, characterized in that the piston (4) comprises:

a piston head (41) which is in sliding connection with the inner wall of the lubrication cylinder (3);

the piston rod (42) is embedded in the inner wall of the lubricating cylinder (3), and one end of the piston rod (42) is connected with the piston head (41); the periphery of the piston rod (42) is sleeved with the elastic piece (5);

a piston cap (43) connected to the other end of the piston rod (42); the pressing piece (1) and the piston cap (43) are pressed periodically;

one end of the elastic piece (5) is abutted with the lubricating cylinder (3), and the other end is abutted with the piston cap (43).

10. A stirring vehicle comprising a riding wheel (10), characterized in that it further comprises a lubrication device according to any one of claims 1 to 9 for lubricating the riding wheel (10).