CN211693061U

CN211693061U - Device for controlling stroke of oil cylinder of excavator

Info

Publication number: CN211693061U
Application number: CN201922036708.3U
Authority: CN
Inventors: 公维水
Original assignee: Apex Petroleum Equipment Qingdao Co ltd
Current assignee: Apex Petroleum Equipment Qingdao Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-10-16
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a device of control excavator cylinder stroke, including cylinder and piston rod, the right part activity interlude links together in piston rod left part and the cylinder, the solid fixed ring in cylinder left end fixedly connected with left side, cylinder right-hand member fixed mounting has the cylinder cap, the solid fixed ring in piston rod right-hand member fixedly connected with right side, the card link connection device is installed in the interlude of piston rod surface right part, card link connection device upper portion and cylinder cap upper end are provided with the micro-regulation and control journey device jointly. A device of control excavator hydro-cylinder stroke, through setting up the little regulation and control journey device, utilize the fixed position of accuse journey nut on accuse journey post, the position of control accuse journey arc piece to the flexible distance of piston rod in the control cylinder, and then the stroke of nimble control excavator hydro-cylinder, the cooperation is used the card to link firmly the device and is not only improved the fastness of connection to finely tuning accuse journey device and the connection of piston rod, still conveniently dismantles the maintenance.

Description

Device for controlling stroke of oil cylinder of excavator

Technical Field

The utility model relates to an excavator part field, in particular to device of control excavator hydro-cylinder stroke.

Background

Due to the diversity of construction characteristics, machines with more and more special functions are installed on an excavator at present, so that the excavator can realize other various operation functions except for the original excavating function, after the hinge point size of an excavator working device and stroke parameters of each working oil cylinder are determined, the working range of the whole excavator is determined, the overall dimension of each special operation machine is different, after the excavator is changed with the special machines, the condition of interference with a cab in certain working range can exist, the safety of a driver is seriously influenced, the existing method for controlling the stroke of the oil cylinder of the excavator generally changes the stroke of the oil cylinder by changing the working oil cylinder to avoid the interference, but the change of the working oil cylinder is complicated, and therefore, the novel device for controlling the stroke of the oil cylinder of the excavator is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a device for controlling the stroke of an excavator cylinder, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a device of control excavator hydro-cylinder stroke, includes cylinder and piston rod, the right part activity interlude links together in piston rod left part and the cylinder, the solid fixed ring in cylinder left end fixedly connected with left side, cylinder right-hand member fixed mounting has the cylinder cap, the solid fixed ring in piston rod right-hand member fixedly connected with right side, the card link connection device is installed to the interlude of piston rod surface right part, card link connection device upper portion and cylinder cap upper end are provided with the little regulating and controlling journey device jointly.

Preferably, the clamping and connecting device comprises a front clamping semi-ring, a rear clamping semi-ring and a fixing bolt, wherein the front clamping semi-ring and the rear clamping semi-ring are of semi-ring structures and are symmetrically distributed front and back, the lower ends of the front clamping semi-ring and the rear clamping semi-ring correspond to a front fixed arc block and a rear fixed arc block fixedly connected with the front clamping semi-ring and the rear clamping semi-ring respectively, the upper ends of the front clamping semi-ring and the rear clamping semi-ring correspond to a front clamping block and a rear clamping block fixedly connected with the front clamping block and are symmetrically distributed front and back, the middle parts of opposite surfaces of the front clamping block and the rear clamping block correspond to a front clamping groove and a rear clamping groove respectively, and the fixing bolt sequentially and spirally penetrates through the middle parts of the front ends of the front fixed arc.

Preferably, the right part of the outer surface of the piston rod is fixedly installed with the middle parts of the opposite surfaces of the front half snap ring and the rear half snap ring.

Preferably, little regulation and control journey device is including accuse journey post and accuse journey nut, accuse journey post right-hand member fixedly connected with chuck, and the fixed card position ring that alternates in accuse journey post surface right part, accuse journey post surface middle part activity alternates and is connected with accuse journey arc piece, and accuse journey arc piece lower extreme and cylinder cap upper end fixed connection together, accuse journey post left part and right part alternate respectively and install a buffer spring and No. two buffer springs, and a buffer spring and No. two buffer springs are located accuse journey arc piece left and right-hand respectively, accuse journey post surface left part is carved with the screw thread, and accuse journey nut and accuse journey post surface left part spiral mounting together.

Preferably, the distance length between the right end of the clamping ring and the left end of the chuck is the same as the length of the front clamping groove and the length of the rear clamping groove, and the position of the travel control column between the right end of the clamping ring and the left end of the chuck is clamped in the clamping through groove formed by the front clamping groove and the rear clamping groove.

Preferably, the length of the stroke control column is greater than the length of the piston rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in the utility model, the position of the stroke control arc block between the first buffer spring and the second buffer spring is controlled by arranging the micro stroke control device on the whole device and utilizing the fixed position of the stroke control nut on the stroke control column, thereby controlling the telescopic distance of the piston rod in the cylinder barrel, further flexibly controlling the stroke of the oil cylinder of the excavator, and utilizing the buffering effect of the two groups of buffer springs to buffer the stroke control block left and right to prevent the device from being damaged;

2. the cooperation is used and is blocked the connection of fixing device to fine setting accuse journey device and piston rod, has not only improved the fastness of the right part of the little accuse journey device and the connection of piston rod right part, still makes things convenient for the dismantlement maintenance of blocking fixing device and fine setting accuse journey device.

Drawings

Fig. 1 is a schematic view of the overall structure of a device for controlling the stroke of an oil cylinder of an excavator according to the present invention;

FIG. 2 is a schematic connection diagram of a fastening device of the device for controlling the stroke of the excavator cylinder according to the present invention;

FIG. 3 is a schematic connection diagram of a fine control stroke control device of the device for controlling the stroke of the excavator cylinder of the present invention;

fig. 4 is a schematic diagram of the connection between the clamp fastening device and the fine-tuning stroke control device of the device for controlling the stroke of the excavator cylinder of the present invention.

In the figure: 1. a cylinder barrel; 2. a piston rod; 3. a left retaining ring; 4. a cylinder cover; 5. a right securing ring; 6. the clamping and fixing device; 7. a micro program control device; 61. a front half snap ring; 62. a rear half snap ring; 63. a front fixed arc block; 64. the arc block is fixed at the back; 65. a front clamping block; 66. a rear clamping block; 67. fixing the bolt; 651. a front clamping groove; 661. a rear clamping groove; 71. a control program column; 72. a chuck; 73. a position clamping ring; 74. a stroke control arc block; 75. a second buffer spring; 76. a first buffer spring; 77. and (4) controlling the distance of the nut.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a device for controlling the stroke of an excavator cylinder comprises a cylinder barrel 1 and a piston rod 2, wherein the left part of the piston rod 2 is movably and alternately connected with the right part of the cylinder barrel 1, a left fixing ring 3 is fixedly connected with the left end of the cylinder barrel 1, a cylinder cover 4 is fixedly mounted at the right end of the cylinder barrel 1, a right fixing ring 5 is fixedly connected with the right end of the piston rod 2, a clamping and fixing device 6 is alternately mounted at the right part of the outer surface of the piston rod 2, and a micro-control program device 7 is jointly arranged at the upper part of.

The clamping and connecting device 6 comprises a front clamping semi-ring 61, a rear clamping semi-ring 62 and a fixing bolt 67, wherein the front clamping semi-ring 61 and the rear clamping semi-ring 62 are of semi-ring structures and are symmetrically distributed front and back, the lower ends of the front clamping semi-ring 61 and the rear clamping semi-ring 62 are respectively and fixedly connected with a front fixing arc block 63 and a rear fixing arc block 64 correspondingly, the upper ends of the front clamping semi-ring 61 and the rear clamping semi-ring 62 are respectively and fixedly connected with a front clamping block 65 and a rear clamping block 66 correspondingly, the front clamping block 65 and the rear clamping block 66 are same in structure and are symmetrically distributed front and back, a front clamping groove 651 and a rear clamping groove 661 are respectively and correspondingly formed in the middle of the opposite surfaces of the front clamping block 65 and the rear clamping block 66, and the fixing bolt 67 sequentially and spirally penetrates through the middle parts of the front ends of the front fixing arc block 63 and the rear fixing; the right part of the outer surface of the piston rod 2 is fixedly arranged with the middle parts of the opposite surfaces of the front half snap ring 61 and the rear half snap ring 62, and the piston rod 2 is fixed at the middle parts of the opposite surfaces of the front half snap ring 61 and the rear half snap ring 62 and can not slide; the micro-stroke control device 7 comprises a stroke control column 71 and a stroke control nut 77, a chuck 72 is fixedly connected to the right end of the stroke control column 71, a clamping ring 73 is fixedly connected to the right part of the outer surface of the stroke control column 71 in an inserting mode, a stroke control arc block 74 is movably connected to the middle part of the outer surface of the stroke control column 71 in an inserting mode, the stroke control column 71 can slide left and right in the stroke control column 71, the lower end of the stroke control arc block 74 is fixedly connected with the upper end of the cylinder cover 4, a first buffer spring 76 and a second buffer spring 75 are respectively installed on the left part and the right part of the outer surface of the stroke control column 71 in an inserting mode, the first buffer spring 76 and the second buffer spring 75 are respectively located on the left side and the right side of the stroke control arc block 74, threads are carved on the left part of the outer surface of the stroke control; the distance between the right end of the clamping ring 73 and the left end of the chuck 72 is the same as the length of the front clamping groove 651 and the length of the rear clamping groove 661, and the position of the stroke control column 71 between the right end of the clamping ring 73 and the left end of the chuck 72 is clamped in a clamping through groove formed by the front clamping groove 651 and the rear clamping groove 661, so that the fixed connection between the stroke control column 71 and the clamping connecting device 6 is realized; the length of the stroke control column 71 is larger than that of the piston rod 2, and the moving distance of the piston rod 2 is controlled to the maximum extent.

It should be noted that the present invention relates to a device for controlling the travel of an excavator cylinder, the entire device can flexibly control the travel of the excavator cylinder, and is convenient for disassembly, assembly and maintenance, before use, the fine adjustment control device 7 needs to be installed and connected by using the clamping and connecting device 6, the control column 71 between the clamping ring 73 and the chuck 72 is placed in the front clamping groove 651 on the front clamping block 65 and the rear clamping groove 661 on the rear clamping block 66, at the same time, the right part of the piston rod 2 is placed between the opposite face radian structures of the front clamping half ring 61 and the rear clamping half ring 62, the clamping and connecting device 6 on the front and rear parts is fixed by using the fixing bolt 67 to sequentially and spirally pass through the front fixing arc block 63 and the rear fixing arc block 64, thereby the right part of the control column 71 is fixed on the clamping and connecting device 6, at this time, the left part of the control column 71 has passed through the middle part of the right end of the control arc block 74 connected with the cylinder cover 4, and the second buffer spring 75 is installed on the right side of the, according to the requirement of controlling the travel of the oil cylinder of the excavator, the stroke control arc block 74 is moved to a proper position on the stroke control column 71, the first buffer spring 76 is sleeved at the left part of the stroke control column 71 and is spirally fixed through the stroke control nut 77, and the moving distance of the piston rod 2 in the cylinder barrel 1 is the distance from the right end of the stroke control arc block 74 to the left end of the clamping ring 73, so that the stroke control arc block is fixed, different oil cylinders do not need to be replaced according to the control requirement, and the operation is simple.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a device of control excavator hydro-cylinder stroke, includes cylinder (1) and piston rod (2), its characterized in that: piston rod (2) left part and cylinder (1) interior right part activity interlude link together, the solid fixed ring in the left side fixedly connected with of cylinder (1) (3), cylinder (1) right-hand member fixed mounting has cylinder cap (4), the solid fixed ring in the right side fixedly connected with of piston rod (2) (5), the card link device (6) is installed in the interlude of piston rod (2) surface right part, card link device (6) upper portion and cylinder cap (4) upper end are provided with fine control journey device (7) jointly.

2. The device for controlling the stroke of the cylinder of the excavator according to claim 1, wherein: the clamping and fixing device (6) comprises a front semi-collar (61), a rear semi-collar (62) and a fixing bolt (67), the front half snap ring half (61) and the rear half snap ring half (62) are of half ring structures and are symmetrically distributed in the front and the rear, the lower ends of the front half collar (61) and the rear half collar (62) are respectively and fixedly connected with a front fixed arc block (63) and a rear fixed arc block (64) correspondingly, the upper ends of the front semi-collar (61) and the rear semi-collar (62) are respectively and fixedly connected with a front clamping block (65) and a rear clamping block (66), the front fixture block (65) and the rear fixture block (66) have the same structure and are symmetrically distributed in the front and the rear, the middle parts of the opposite surfaces of the front clamping block (65) and the rear clamping block (66) are respectively and correspondingly provided with a front clamping groove (651) and a rear clamping groove (661), the fixing bolt (67) sequentially and spirally penetrates through the middle parts of the front ends of the front fixing arc block (63) and the rear fixing arc block (64) to spirally install the front fixing arc block (63) and the rear fixing arc block (64) together.

3. The device for controlling the stroke of the cylinder of the excavator according to claim 2, wherein: the right part of the outer surface of the piston rod (2) is fixedly arranged with the middle parts of the opposite surfaces of the front half snap ring (61) and the rear half snap ring (62).

4. The device for controlling the stroke of the cylinder of the excavator according to claim 1, wherein: little regulation and control journey device (7) are including accuse journey post (71) and accuse journey nut (77), accuse journey post (71) right-hand member fixedly connected with chuck (72), and the fixed position ring (73) that interlude of accuse journey post (71) surface right part is connected with, the activity interlude of accuse journey post (71) surface middle part is connected with accuse journey arc piece (74), and just accuse journey arc piece (74) lower extreme and cylinder cap (4) upper end fixed connection together, accuse journey post (71) left part and right part are do not interlude and are installed buffer spring (76) and No. two buffer spring (75), and buffer spring (76) and No. two buffer spring (75) are located accuse journey arc piece (74) right-left side respectively, it has the screw thread to be carved with to accuse journey post (71) surface left part, and accuse journey nut (77) and accuse journey post (71) surface left part spiral mounting together.

5. The device for controlling the stroke of the cylinder of the excavator according to claim 4, wherein: the distance between the right end of the clamping ring (73) and the left end of the chuck (72) is the same as the length of the front clamping groove (651) and the length of the rear clamping groove (661), and the distance control column (71) between the right end of the clamping ring (73) and the left end of the chuck (72) is clamped in a clamping through groove formed by the front clamping groove (651) and the rear clamping groove (661).

6. The device for controlling the stroke of the cylinder of the excavator according to claim 4, wherein: the length of the stroke control column (71) is greater than that of the piston rod (2).