Valve guide pipe dismounting device of adjustable mining truck engine

Abstract

The utility model discloses a valve guide pipe dismounting device of an adjustable mining truck engine, which comprises a bottom frame, the bottom frame is of an L structure, and the upper end of the bottom frame is provided with a connecting frame which is in sliding connection with the bottom frame. The connecting frame in sliding connection is arranged on the bottom frame, the inner end of the bottom frame and the adjusting plate can be clamped through sliding of the connecting frame, then fixing is conducted through the connecting pin, and firmness and stability are improved. A connecting column in sliding connection is arranged on an adjusting plate, a rotating device capable of rotating is arranged on the connecting column, the connecting column is moved according to the position of the valve guide pipe and fixed through a fixing device, then the connecting column is rotated, an adjusting frame is fixed through a butterfly nut, a disassembling rod can be aligned to the valve guide pipe, and therefore the valve guide pipe can be disassembled conveniently. And then the hydraulic cylinder is controlled, the valve guide pipe is disassembled through the disassembling rod, manual knocking is not needed, accuracy is high, operation is easy, and efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of engine, concretely is a kind of valve guide pipe dismounting device of adjustable mine truck engine. BACKGROUND

[0002] Valve guide pipe is the guiding device of vehicle engine valve, for ensuring valve reciprocating linear motion.Valve guide pipe is generally with cylinder cover interference fit, so it is difficult to dismount valve guide pipe from cylinder cover, when valve guide pipe is damaged, it needs to be dismounted and replaced.The existing valve guide pipe dismounting mode is generally artificial with hammer and punch to knock valve guide pipe, dismount valve guide pipe, but this mode is more troublesome and laborious, and inconvenient to operate, and low in working efficiency, and when knocking, punch positioning is inaccurate, and force deviates from axis, so as to easily cause cylinder cover and valve guide pipe to be damaged due to bumping, therefore, the utility model provides a kind of valve guide pipe dismounting device of adjustable mine truck engine to solve the above problems. SUMMARY

[0003] The utility model is to provide a kind of valve guide pipe dismounting device of adjustable mine truck engine to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of valve guide pipe dismounting device of adjustable mine truck engine, including chassis, the chassis is L structure, and slidingly connected connection frame is installed on the upper end of chassis, the right end of the connection frame is welded with adjusting plate, the chassis and the left end of adjusting plate are all welded with connecting piece, and connecting pin is installed in two connecting pieces, and lock nut is installed on connecting pin;

[0005] Strip-shaped slot of through structure is opened in the right side of the adjusting plate, connecting column is installed in strip-shaped slot, the fixed device installed on connecting column is at the upper end of adjusting plate, the connecting column upper end is equipped with the threaded rod of integral structure, and the rotating device of rotationally connected is installed on connecting column, the right end of the rotating device is equipped with installation cylinder, and the dismounting device of through structure is installed in installation cylinder.

[0006] Preferably, as a preferred embodiment of the utility model, the fixed device includes bottom block and fixed nut, the bottom block is on the adjusting plate, and the fixed nut on the bottom block is threadedly connected with connecting column.

[0007] Preferably, as a preferred embodiment of the utility model, the rotating device includes bearing, adjusting frame, connecting ring and butterfly nut, the left end bottom of adjusting frame is rotationally connected with connecting column through bearing, the connecting ring on the left end upper side of adjusting frame is sleeved on threaded rod and rotationally connected, and the butterfly nut on threaded rod fixes adjusting frame.

[0008] Preferably, as a preferred embodiment of the utility model, the dismounting device comprises a hydraulic cylinder, a piston rod and a dismounting rod, the hydraulic cylinder is provided with the piston rod at the bottom end, and the dismounting rod is installed at the bottom end of the piston rod.

[0009] Preferably, as a preferred embodiment of the utility model, the adjusting frame is in inverted V structure.

[0010] Preferably, as a preferred embodiment of the utility model, the inner end diameter of the connecting ring is greater than the diameter of the threaded rod.

[0011] Preferably, as a preferred embodiment of the utility model, the mounting cylinder is in inclined structure.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. In the utility model, the connecting frame is slidably connected on the base frame, the inner end of the base frame and the adjusting plate can be clamped by sliding the connecting frame, then the connecting pin is used for fixing, so that the firmness and stability are increased.

[0014] 2. In the utility model, the connecting column is slidably connected on the adjusting plate, the rotary device is arranged on the connecting column and can rotate, the connecting column is moved according to the position of the valve guide pipe and is fixed by the fixing device, then the rotary device is rotated, the adjusting frame is fixed by the wing nut, the dismounting rod can be aligned with the valve guide pipe, then the hydraulic cylinder is controlled, the valve guide pipe is dismounted by the dismounting rod, manual operation is not needed, the accuracy is relatively high, the operation is simple and the efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic view of the utility model;

[0016] Figure 2 It is the fixing device respectively with the connecting column, the dismounting device exploded structure schematic view of the utility model;

[0017] Figure 3 It is the dismounting device exploded structure schematic view of the utility model;

[0018] Figure 4 It is the connecting ring and the connecting column connection structure plan view of the utility model.

[0019] In the figure: 1, the base frame; 2, the connecting frame; 3, the adjusting plate; 4, the connecting piece; 5, the connecting pin; 6, the locking nut; 7, the strip-shaped groove; 8, the fixing device; 81, the bottom block; 82, the fixing nut; 9, the connecting column; 10, the threaded rod; 11, the rotating device; 1101, the bearing; 1102, the adjusting frame; 1103, the connecting ring; 1104, the wing nut; 12, the mounting cylinder; 13, the dismounting device; 1301, the hydraulic cylinder; 1302, the piston rod; 1303, the dismounting rod. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0021] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, in the description of the utility model, in addition, "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it should be further pointed out that, unless otherwise explicitly specified and limited, the terms "provision", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The meaning of "multiple" is two or more than two, unless otherwise explicitly specified, all belong to the scope of protection of the utility model.

[0023] Example 1: as Figure 1 , 2 and 4, the utility model provides a technical scheme including base frame 1,

[0024] The bottom frame 1 is of L structure, and a slidingly connected connecting frame 2 is arranged on the upper end of the bottom frame 1, an adjusting plate 3 is welded to the right end of the connecting frame 2, connecting pieces 4 are welded to the left ends of the bottom frame 1 and the adjusting plate 3, connecting pins 5 are arranged in the two connecting pieces 4, and lock nuts 6 are arranged on the connecting pins 5;

[0025] A strip-shaped slot 7 in through structure is formed in the right side of the adjusting plate 3, a connecting column 9 is arranged in the strip-shaped slot 7, a fixing device 8 arranged on the connecting column 9 is located at the upper end of the adjusting plate 3, a threaded rod 10 in integral structure is arranged on the upper end of the connecting column 9, and a rotating device 11 in rotating connection is arranged on the connecting column 9, an installation cylinder 12 is arranged at the right end of the rotating device 11, and a dismounting device 13 in through structure is arranged in the installation cylinder 12.

[0026] The fixing device 8 comprises a bottom block 81 and a fixing nut 82, the bottom block 81 is located on the adjusting plate 3, and the fixing nut 82 on the bottom block 81 is in threaded connection with the connecting column 9.

[0027] The rotating device 11 comprises a bearing 1101, an adjusting frame 1102, a connecting ring 1103 and a wing nut 1104, the adjusting frame 1102 is in rotating connection with the connecting column 9 through the bearing 1101 at the bottom of the left end of the adjusting frame 1102, the connecting ring 1103 on the upper side of the left end of the adjusting frame 1102 is sleeved on the threaded rod 10 and is in rotating connection, and the wing nut 1104 on the threaded rod 10 fixes the adjusting frame 1102.

[0028] The adjusting frame 1102 is in inverted V structure.

[0029] The inner end diameter of the connecting ring 1103 is greater than the diameter of the threaded rod 10.

[0030] In the embodiment, the connecting column is adjusted to move to a required position, then the connecting column is fixed through the fixing device, then the rotating device is rotated and adjusted in orientation according to the position of the valve guide, and then the adjusting frame is fixed through the wing nut.

[0031] Embodiment 2: as Figure 1 and 3 The utility model provides a technical scheme: including bottom frame 1,

[0032] The bottom frame 1 is of L structure, and a slidingly connected connecting frame 2 is arranged on the upper end of the bottom frame 1, an adjusting plate 3 is welded to the right end of the connecting frame 2, connecting pieces 4 are welded to the left ends of the bottom frame 1 and the adjusting plate 3, connecting pins 5 are arranged in the two connecting pieces 4, and lock nuts 6 are arranged on the connecting pins 5;

[0033] The strip-shaped slot 7 with a through structure is arranged on the right side of the adjusting plate 3, the connecting column 9 is arranged in the strip-shaped slot 7, the fixing device 8 arranged on the connecting column 9 is located at the upper end of the adjusting plate 3, the screw rod 10 with an integral structure is arranged at the upper end of the connecting column 9, the rotating device 11 is rotatably arranged on the connecting column 9, and the mounting cylinder 12 is arranged at the right end of the rotating device 11.

[0034] The dismounting device 13 comprises a hydraulic cylinder 1301, a piston rod 1302 and a dismounting rod 1303, the piston rod 1302 is arranged at the bottom end of the hydraulic cylinder 1301, and the dismounting rod 1303 is arranged at the bottom end of the piston rod 1302.

[0035] The mounting cylinder 12 has an inclined structure.

[0036] In the embodiment, the hydraulic cylinder is controlled to dismount the valve guide.

[0037] Working principle:

[0038] In use, the connecting frame 2 is slidably arranged on the base frame 1, the inner end of the base frame 1 and the adjusting plate 3 can be clamped by sliding the connecting frame 2, then the connecting pin 5 and the locking nut 6 are connected to fix, the connecting column 9 is slidably arranged on the adjusting plate 3, and the rotating device 11 can rotate on the connecting column 9, according to the position of the valve guide, the connecting column 9 is moved and fixed by the fixing device 8, then the adjusting frame 1102 is fixed by the butterfly nut 1104, the dismounting rod 1303 can be aligned with the valve guide, then the hydraulic cylinder 1301 is controlled to dismount the valve guide by the dismounting rod 1303.

[0039] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments but can be implemented in other embodiments without departing from the spirit or essential characteristic of the application. The embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No limitation is intended to the scope of the claims with respect to any embodiment illustrated.

Claims

1. A valve guide dismounting device for a regulated mine truck engine, comprising a chassis (1), characterized in that: the chassis (1) is of L structure, and a slidingly connected connecting frame (2) is installed on the upper end of the chassis (1), a regulating plate (3) is welded on the right end of the connecting frame (2), connecting pieces (4) are welded on the left end of the chassis (1) and the regulating plate (3), connecting pins (5) are installed in the two connecting pieces (4), and locking nuts (6) are installed on the connecting pins (5); a strip-shaped slot (7) of through structure is formed on the right side of the regulating plate (3), a connecting column (9) is installed in the strip-shaped slot (7), a fixing device (8) installed on the connecting column (9) is located on the upper end of the regulating plate (3), a screw rod (10) of integral structure is arranged on the upper end of the connecting column (9), and a rotary device (11) of rotary connection is installed on the connecting column (9), an installation cylinder (12) is arranged on the right end of the rotary device (11), and a dismounting device (13) of through structure is installed in the installation cylinder (12). The fixing device (8) comprises a bottom block (81) and a fixing nut (82), the bottom block (81) is located on the regulating plate (3), and the fixing nut (82) on the bottom block (81) is threadedly connected with the connecting column (9).

2. The adjustable mine truck engine valve guide removal device of claim 1, wherein: The rotary device (11) comprises a bearing (1101), an adjusting frame (1102), a connecting ring (1103), and a wing nut (1104), the left end of the adjusting frame (1102) is rotatably connected with the connecting column (9) through the bearing (1101), the connecting ring (1103) on the left end of the adjusting frame (1102) is sleeved on the screw rod (10) and is rotatably connected, and the wing nut (1104) on the screw rod (10) fixes the adjusting frame (1102).

3. The adjustable mine truck engine valve guide removal device of claim 1, wherein: The dismounting device (13) comprises a hydraulic cylinder (1301), a piston rod (1302), and a dismounting rod (1303), the hydraulic cylinder (1301) is provided with the piston rod (1302) at the bottom end, and the dismounting rod (1303) is installed at the bottom end of the piston rod (1302).

4. The adjustable mine truck engine valve guide removal device of claim 1, wherein: The adjusting frame (1102) is of inverted V-shaped structure.

5. The adjustable mine truck engine valve guide removal device of claim 3, wherein: The inner end diameter of the connecting ring (1103) is greater than the diameter of the screw rod (10).

6. The adjustable mine truck engine valve guide removal device of claim 3, wherein: The installation cylinder (12) is of inclined structure.

7. The adjustable mine truck engine valve guide removal device of claim 1, wherein: ​

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