CN219975244U - Counterweight support, counterweight mechanism and engineering machinery - Google Patents

Abstract

The utility model belongs to the field of engineering machinery, and discloses a counterweight bracket, a counterweight mechanism and engineering machinery, wherein the counterweight bracket comprises: the device comprises a support fixing piece, a support moving piece, an equal-length connecting rod group and a telescopic device, wherein the support fixing piece and the support moving piece for detachably installing a balancing weight are arranged at intervals along the transverse direction, the equal-length connecting rod group comprises a plurality of equal-length connecting rods which are arranged up and down and are mutually parallel, two ends of each equal-length connecting rod are respectively hinged to the support fixing piece and the support moving piece, two ends of the telescopic device are respectively hinged to the support fixing piece and the support moving piece, and the telescopic device can drive the support moving piece to move up and down. The counterweight bracket, the counterweight mechanism and the engineering machinery can adjust the height of the installation position of the counterweight block, thereby being beneficial to reducing the difficulty of disassembling and assembling the counterweight block and saving the operation time and the manpower consumption.

Description

Counterweight support, counterweight mechanism and engineering machinery

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a counterweight bracket, a counterweight mechanism and engineering machinery.

Background

A counterweight is a weight for balancing and stabilizing a construction machine, which is generally installed at a specific position of the construction machine to offset unbalanced forces caused by the construction machine itself or external factors. The existing engineering machinery is widely used for fixedly mounting the balancing weight on a car body which is higher than the ground, so that the disassembly and assembly difficulty is very high, and more time and labor are required to be consumed.

Disclosure of Invention

In order to overcome at least one of the defects or shortcomings in the prior art, the utility model provides a counterweight bracket, a counterweight mechanism and engineering machinery, wherein the height of an installation position of a counterweight block can be adjusted, so that the aims of reducing the difficulty of assembling and disassembling the counterweight block and saving the operation time and manpower are fulfilled.

To achieve the above object, an aspect of the present utility model provides a weight bracket including:

the bracket fixing piece and the bracket moving piece are arranged at intervals along the transverse direction, and the bracket moving piece is used for detachably mounting the balancing weight;

the equal-length connecting rod group comprises a plurality of equal-length connecting rods which are arranged up and down and are parallel to each other, and two ends of each equal-length connecting rod are respectively hinged to the bracket fixing piece and the bracket moving piece; and

the two ends of the telescopic device are respectively hinged to the support fixing piece and the support moving piece, and the telescopic device can drive the support moving piece to move up and down.

Optionally, the telescopic device can be switched between an extended state and a shortened state, and the bracket movable piece can be moved between a working high position and a disassembly low position; when the telescopic device is in the shortened state, the support moving part is in the working high position, and when the telescopic device is in the extended state, the support moving part is in the dismounting low position.

Optionally, the counterweight support comprises two equal length link groups arranged at intervals in the transverse direction, and the telescopic device is positioned below the transverse interval areas of the two equal length link groups.

Optionally, the bracket fixing member is formed as a bracket fixing riser arranged vertically, and the bracket moving member is formed as a bracket moving riser arranged vertically.

Optionally, the bracket fixing vertical plate is formed with a fixing vertical plate avoiding hole which is convenient for maintenance operation; and/or the movable vertical plate of the bracket is provided with a movable vertical plate lightening hole.

Optionally, a plurality of first external through holes which are mutually arranged at intervals are formed at the outer edge part of the bracket fixing vertical plate; and/or a plurality of second external through holes which are mutually arranged at intervals are formed at the outer edge part of the movable vertical plate of the bracket.

Optionally, the counterweight bracket further includes a fall preventing structure capable of connecting the bracket fixing member and the bracket moving member for preventing the bracket moving member from falling.

Optionally, the anti-falling structure includes:

the fixing piece stand column is fixed at the top of the bracket fixing piece;

the movable piece stand column is fixed at the top of the movable piece of the bracket; and

the connecting assembly comprises a first sleeving part fixedly sleeved on the movable part upright post, a second sleeving part detachably sleeved on the fixed part upright post and a connecting rope fixedly connected with the first sleeving part and the second sleeving part.

Another aspect of the utility model provides a weight mechanism comprising:

the counterweight bracket; and

and the balancing weight is detachably arranged on the bracket moving part.

The utility model further provides engineering machinery, which comprises the counterweight mechanism.

Through the technical scheme, the counterweight bracket can lift and adjust the movable bracket part by utilizing the telescopic device under the traction and support of the plurality of equal-length connecting rods of the equal-length connecting rod group, so that an operator can conveniently assemble and disassemble the counterweight block at a lower position from the ground after the height of the movable bracket part is reduced, the assembly and disassembly difficulty can be reduced, the operation time and the labor consumption can be effectively reduced, and a multi-connecting rod mechanism can be jointly formed by utilizing the bracket fixing part, the movable bracket part and the equal-length connecting rod group in the lifting and adjusting process, so that the counterweight block can keep higher stability while realizing parallel movement, the inclination or instability can be effectively avoided, and the operation safety is ensured.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a schematic view of a weight support in accordance with an embodiment of the present utility model;

FIG. 2 is a schematic view of the other side of the weight bracket of FIG. 1;

FIG. 3 is a schematic view of a construction machine according to an embodiment of the present utility model, wherein the counterweight is in a lowered position;

fig. 4 is a schematic view of another working state of the construction machine of fig. 3, in which the counterweight is in a working high position.

Reference numerals illustrate:

1. counterweight bracket 101 bracket fixing member

102. Equal-length connecting rod of bracket movable part 103

104. Fixing vertical plate of telescopic device 105 bracket

106. Hole is dodged to fixed riser of support activity riser 107

108. First external through hole of movable vertical plate lightening hole 109

110. Second outer through hole 111 movable piece stand column

112. First socket 113 second socket

114. Connecting rope 2 balancing weight

3. Body of machine

Detailed Description

The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

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

In the embodiments of the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" or "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the positional relationship of the various components with respect to one another in the vertical, vertical or gravitational directions.

The utility model will be described in detail below with reference to the drawings in connection with exemplary embodiments.

As shown in fig. 1 to 4, a first exemplary embodiment of the present utility model provides a weight supporter 1 including a supporter fixing member 101, a supporter moving member 102, an equal-length link set, and a telescopic device 104.

Wherein, the bracket fixing piece 101 and the bracket movable piece 102 are arranged at intervals along the transverse direction, the bracket movable piece 102 is used for detachably mounting the balancing weight 2, and the bracket fixing piece 101 is used for fixedly connecting the machine body 3; the equilong connecting rod group comprises a plurality of equilong connecting rods 103 which are arranged up and down and are parallel to each other, for example, the equilong connecting rod group shown in fig. 2 is provided with two equilong connecting rods 103, and two ends of the equilong connecting rods 103 are respectively hinged to the bracket fixing piece 101 and the bracket moving piece 102; the two ends of the telescopic device 104 are respectively hinged to the bracket fixing part 101 and the bracket moving part 102, the telescopic device 104 can drive the bracket moving part 102 to move up and down, and referring to fig. 1, the telescopic device 104 can be configured as a telescopic oil cylinder.

As can be seen, the counterweight bracket 1 of this exemplary embodiment can lift and adjust the bracket moving member 102 by using the telescopic device 104 under the traction and support of the plurality of equal-length links 103 of the equal-length link group, thereby being convenient for an operator to disassemble and assemble the counterweight 2 at a lower position from the ground after lowering the height of the bracket moving member 102, thereby being capable of reducing the disassembly and assembly difficulty, effectively reducing the operation time and the manpower consumption, and being capable of jointly forming a multi-link mechanism by using the telescopic device 104, the bracket fixing member 101, the bracket moving member 102 and the equal-length link group in the lifting and adjusting process, so that the counterweight 2 can maintain higher stability while realizing parallel movement, thereby effectively avoiding the occurrence of the condition of inclination or instability and ensuring the operation safety.

Specifically, the telescopic device 104 is switchable between an extended state and a shortened state, and the stand movable member 102 is movable between a work high position and a detachable low position; when the telescopic device 104 is in the shortened state, the bracket moving part 102 is in the working high position, and when the telescopic device 104 is in the extended state, the bracket moving part 102 is in the dismounting low position. That is, when the movable bracket member 102 is located at the high position and the counterweight 2 needs to be assembled and disassembled, the telescopic device 104 can be gradually adjusted from the shortened state to the extended state, so that the movable bracket member 102 is lowered to the low position for assembly and disassembly, and assembly and disassembly of the counterweight 2 can be facilitated; when the counterweight 2 is mounted on the movable support member 102, the telescopic device 104 is adjusted from the extended state to the shortened state, so that the movable support member 102 can be raised to the high working position again, and the balancing state is realized. In addition, under special operating mode, if need finely tune balancing weight 2 that is in the operation high position, then can make telescoping device 104 slightly extend and adjust, can satisfy balancing weight 2's fine setting demand, strengthen balancing weight support 1's commonality.

In one embodiment, the counterweight support includes two equal length groupings spaced laterally apart, and the telescoping device 104 is located below the laterally spaced regions of the two equal length groupings, in other embodiments the telescoping device 104 may be located above the laterally spaced regions of the two equal length groupings. So set up, two equilong link groups are arranged along horizontal interval can further strengthen the whole steadiness of counter weight support, and then can strengthen the stability to balancing weight 2 lift adjustment, refer to fig. 2, when equilong link group sets up to two equilong links 103, telescoping device 104 and equilong link group, support mounting 101 and support moving part 102 have formed six bar linkage's link mechanism jointly, effectively realize the lift removal of support moving part 102.

In one embodiment, referring to fig. 1, the bracket fixing member 101 is formed as a bracket fixing vertical plate 105 arranged vertically, the bracket moving member 102 is formed as a bracket moving vertical plate 106 arranged vertically, and the bracket moving vertical plate 106 can keep lifting movement in a vertical posture under the constraint and traction of the equal-length link group, so that the counterweight 2 can also keep lifting translation in a state when being mounted, and the balance effect of the counterweight is effectively ensured.

In one embodiment, the support fixing riser 105 is formed with a fixing riser avoiding hole 107 for facilitating maintenance work, specifically, after the support moving riser 106 descends to a lower position for disassembly and assembly, a gap allowing a maintenance person to enter is formed between the support moving riser 106 and the support fixing riser 105, after the maintenance person enters the gap, the maintenance work is performed on the machine body 3 located behind the support fixing riser 105 through the fixing riser avoiding hole 107, for example, when the machine body 3 is a rotary table of an excavator, the support fixing riser 105 is mounted on the outer side of a rotary table back plate, the inner side of the rotary table back plate is close to an engine of the excavator, the rotary table back plate is formed with a back plate avoiding hole corresponding to the fixing riser avoiding hole 107, and compared with the prior art, the maintenance person can perform maintenance work on the engine through the fixing riser avoiding hole 107 and the back plate avoiding hole, so that operation steps for disassembling the balancing weight 2 are saved, and therefore operation time and labor cost can be effectively reduced.

In one embodiment, the bracket movable riser 106 is formed with a movable riser weight reducing hole 108, thereby reducing the weight of the bracket movable riser 106 and effectively increasing the weight range.

The fixed standing plate avoiding hole 107 is provided to reduce the weight of the bracket fixed standing plate 105, so that the fixed standing plate avoiding hole 107 and the movable standing plate weight reducing hole 108 are provided to the bracket fixed standing plate 105 and the bracket movable standing plate 106 at the same time, thereby greatly reducing the weight of the counterweight bracket 1.

In one embodiment, referring to fig. 1, the outer edge portion of the bracket fixing riser 105 is formed with a plurality of first external through holes 109 arranged to be spaced apart from each other, and the outer edge portion of the bracket movable riser 106 is formed with a plurality of second external through holes 110 arranged to be spaced apart from each other. Specifically, the bolt assembly matched with the first external through hole 109 is adopted, so that the first external through hole 109 and the bolt hole of the machine body 3 aligned with the first external through hole can be penetrated, the bracket fixing vertical plate 105 can be fixedly connected with the machine body 3, and likewise, the bolt assembly matched with the second external through hole 110 is adopted, the second external through hole 110 and the bolt hole of the balancing weight 2 aligned with the second external through hole can be penetrated, so that the balancing weight 2 can be detachably mounted on the bracket movable vertical plate 106.

In one embodiment, the weight support further includes a fall prevention structure capable of connecting the body 3 and the support mover 102 for preventing the support mover 102 from falling.

Referring to fig. 1 and 4, the fall protection structure includes a movable member column 111 and a connection assembly, wherein the movable member column 111 is fixed on top of the movable member 102, and the connection with the movable member 102 can be achieved by welding or the like; the connecting assembly comprises a first sleeving part 112, a second sleeving part 113 and a connecting cable 114, wherein the connecting cable 114 is fixedly connected with the first sleeving part 112 and the second sleeving part 113, the first sleeving part 112 is fixedly sleeved on the movable part upright 111, the second sleeving part 113 can be detachably connected with the machine body 3, specifically, the tail part of the machine body 3 can be provided with a tail fixing plate for installing the bracket fixing part 101, correspondingly, the top of the tail fixing plate is provided with a fixing plate upright, and the second sleeving part 113 is detachably sleeved on the fixing plate upright. For example, the machine body 3 may be a turntable of an excavator, the tail fixing plate is a turntable backboard, a backboard upright post may be disposed at the top of the turntable backboard, and the second socket connector 113 is detachably sleeved on the backboard upright post.

In order to ensure connection stability, two movable member columns 111 may be respectively fixed at two ends of the top of the movable member 102, and correspondingly, two fixed plate columns are respectively fixed at two ends of the tail fixed plate, so that two connection components may be respectively matched and sleeved with each movable member column 111 and each fixed plate column. Therefore, when the movable support member 102 is lifted to the working high position, the second sleeve connecting member 113 can be sleeved on the upright post of the fixed plate, so that the connecting cable 114 can connect the movable support member 102 with the machine body 3 at the same time, thereby preventing the movable support member 102 from falling accidentally and effectively protecting personnel safety.

As shown in fig. 3 and 4, the second exemplary embodiment of the present utility model provides a weight mechanism, which includes the weight support 1 and the weight 2, wherein the weight 2 is detachably mounted on the support moving member 102, and obviously, the weight mechanism has all technical effects brought by the weight support 1, so that details are not repeated herein. It should be noted that, fig. 3 shows the state when balancing weight 2 is in the dismouting low level, and balancing weight 2 is nearer to the ground distance this moment, can be convenient for dismouting, and fig. 4 shows the state when balancing weight 2 is in the operation high level, and balancing weight's effect can be played to the higher distance that is here balancing weight 2.

As shown in fig. 3 and 4, a third exemplary embodiment of the present utility model provides a construction machine including the above-described weight mechanism, wherein the weight mechanism can be mounted on a machine body 3 of the construction machine, for example, the construction machine may be an excavator, and the machine body 3 is a turntable of the excavator. It is obvious that the construction machine has all technical effects brought by the counterweight bracket 1, and therefore, the description thereof is omitted here.

The foregoing details of the optional implementation of the embodiment of the present utility model have been described in detail with reference to the accompanying drawings, but the embodiment of the present utility model is not limited to the specific details of the foregoing implementation, and various simple modifications may be made to the technical solution of the embodiment of the present utility model within the scope of the technical concept of the embodiment of the present utility model, and these simple modifications all fall within the protection scope of the embodiment of the present utility model.

In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.

In addition, any combination of various embodiments of the present utility model may be performed, so long as the concept of the embodiments of the present utility model is not violated, and the disclosure of the embodiments of the present utility model should also be considered.

Claims (10)

1. A counterweight support (1), characterized in that the counterweight support (1) comprises:

the support fixing piece (101) and the support moving piece (102) are arranged at intervals along the transverse direction, and the support moving piece (102) is used for detachably mounting the balancing weight (2);

the equal-length connecting rod group comprises a plurality of equal-length connecting rods (103) which are arranged up and down and are parallel to each other, and two ends of each equal-length connecting rod (103) are respectively hinged to the bracket fixing piece (101) and the bracket moving piece (102); and

the telescopic device (104), both ends of telescopic device (104) respectively articulated in support mounting (101) with support moving part (102), telescopic device (104) can drive support moving part (102) lift removal.

2. The counterweight bracket according to claim 1, characterized in that the telescopic device (104) is switchable between an extended state and a shortened state, the bracket movable member (102) being movable between a working high position and a dismounting low position; when the telescopic device (104) is in the shortened state, the support moving part (102) is in the working high position, and when the telescopic device (104) is in the extended state, the support moving part (102) is in the dismounting low position.

3. The weight support according to claim 2, wherein said weight support comprises two of said equal length groupings arranged in a laterally spaced apart relationship, said telescoping device (104) being located below a laterally spaced apart region of both of said equal length groupings.

4. The counterweight support according to claim 1, characterized in that the support fixture (101) is formed as a vertically arranged support fixture riser (105) and the support moveable member (102) is formed as a vertically arranged support moveable riser (106).

5. The counterweight bracket according to claim 4, characterized in that the bracket fixing riser (105) is formed with a fixing riser escape hole (107) facilitating maintenance work; and/or the movable vertical plate (106) of the bracket is provided with a movable vertical plate lightening hole (108).

6. The counterweight bracket according to claim 4, characterized in that the outer edge portion of the bracket fixing riser (105) is formed with a plurality of first external through holes (109) arranged at intervals from each other; and/or, a plurality of second outer through holes (110) which are arranged at intervals are formed at the outer edge part of the bracket movable vertical plate (106).

7. The weight rack according to claim 1, further comprising a fall protection structure capable of connecting the machine body (3) and the rack movable member (102) for preventing the rack movable member (102) from falling.

8. The weight support of claim 7, wherein the fall arrest structure comprises:

the movable piece stand column (111) is fixed at the top of the bracket movable piece (102); and

the connecting assembly comprises a first sleeving part (112) fixedly sleeved on the movable part upright post (111), a second sleeving part (113) detachably sleeved on the machine body (3) and a connecting rope (114) fixedly connected with the first sleeving part (112) and the second sleeving part (113).

9. A weight mechanism, the weight mechanism comprising:

the counterweight support (1) according to any of claims 1 to 8; and

and the balancing weight (2) is detachably arranged on the bracket moving part (102).

10. A construction machine, characterized in that it comprises a counterweight mechanism according to claim 9.