CN213231277U

CN213231277U - Hydraulic pin shaft assembling and disassembling mechanism

Info

Publication number: CN213231277U
Application number: CN202022229106.2U
Authority: CN
Inventors: 刘飞香; 张静; 单外平; 肖利; 徐山; 尹策明; 杨宇澜; 黄琪; 龚加文; 王黎明; 欧阳益斌; 余自朝; 曾羽燕; 左耀
Original assignee: China Railway Construction Heavy Industry Group Co Ltd
Current assignee: China Railway Construction Heavy Industry Group Co Ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-05-18
Anticipated expiration: 2030-10-09

Abstract

The utility model provides a hydraulic pin shaft loading and unloading mechanism, which comprises an electric control type walking device, a mechanical frame structure, a hydraulic self-adaptive loading and unloading device and a hoisting platform; one end of the mechanical frame structure is connected with the electric control type walking device, and the other end of the mechanical frame structure is connected with the hydraulic self-adaptive loading and unloading device through the hoisting platform; the hydraulic self-adaptive loading and unloading device comprises a hydraulic oil cylinder, a plane baffle, a telescopic bottom plate and a U-shaped baffle; one end of the telescopic bottom plate is connected with the plane baffle, and the other end of the telescopic bottom plate is connected with the U-shaped baffle; the hydraulic oil cylinder is arranged on the plane baffle; the cavity formed by the plane baffle, the telescopic bottom plate and the U-shaped baffle is used for placing a workpiece of the pin shaft to be disassembled, and the pin shaft is assembled and disassembled by the movement of the hydraulic oil cylinder. The utility model provides an among the manpower round pin axle handling inefficiency, round pin axle produce burr scheduling problem easily, reduce the installer, improve installation quality and efficiency, be applicable to the round pin axle installation of multiple model, improve the whole price/performance ratio of round pin axle installation device.

Description

Hydraulic pin shaft assembling and disassembling mechanism

Technical Field

The utility model relates to a hydraulic pressure technical field, concretely relates to fluid pressure type round pin axle loading and unloading mechanism.

Background

The pin shaft is a standardized fastener and is mainly used for forming hinged connection between two connecting pieces, and can be statically and stably connected with the connecting pieces and also can be dynamically and rotatably connected with the connected pieces. The pin shaft is widely applied to engineering machinery, and the quality of installation of the pin shaft directly affects the use quality of the engineering machinery and the service life of the pin shaft. At present, no better solution is available for assembling and disassembling the pin shaft, most factories are impacted by a copper bar and a collision clock manually, two installers are needed in the whole process, one person holds the pin shaft stably, and the other person knocks the pin shaft to a specified position. The method has the advantages of low production efficiency, high labor intensity of workers and high potential safety hazard, and is not suitable for large-batch production; the method can not be used on the pin shaft without a threaded hole; the hydraulic pin shaft assembling and disassembling device has fixed operation space and range, aims at the installation and the disassembly of a single pin shaft, and fails to realize the flexible assembling and disassembling of various pin shafts. Therefore, a device suitable for mounting and dismounting a plurality of types of flexible pin shafts is urgently needed. The utility model relates to an automatic formula hydraulic pressure round pin axle loading and unloading mechanism, simple manufacture, the cost is lower, and convenient operation application scope is wide, can avoid artifical with the sledgehammer directly ramming the round pin axle, and is respond well in the use, has improved work efficiency greatly.

The existing pin shaft mounting and dismounting mode is as follows:

1. manual pin shaft assembling and disassembling: when the loading and unloading are carried out, two installers are needed, one person holds the pin shaft stably, and the other person knocks the pin shaft to a specified position. The connecting pieces at two ends are required to be fixed when the pin shaft is disassembled, so that the pin shaft holes of the connecting pieces are prevented from being dislocated when the pin shaft is assembled and disassembled, and the friction force between the pin shaft and the connecting pieces is increased.

2. Assembling and disassembling a pull rod type pin shaft: the assembly and disassembly of the pull rod type pin shaft require that one end of a pull rod is connected with the pin shaft through threads, and the other end of the pull rod drives the pull rod through thread transmission or a gear transmission device, so that the pull rod is pulled into or pulled out of a pin shaft hole, and the assembly and disassembly of the pin shaft are realized.

3. Assembling and disassembling the pressure type pin shaft: the pressure type pin shaft is assembled and disassembled by providing the pressure of the device through pneumatic, electric and hydraulic energy, and the pin shaft is pressed into or pushed into or out of the pin shaft hole, so that the pin shaft is well assembled and disassembled.

In summary, there is a need for a hydraulic pin assembling and disassembling mechanism to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fluid pressure type round pin axle loading and unloading mechanism to satisfy the engineering machine tool and equip the demand of the small batch volume of round pin axle, the installation production of multiclass, enlarge round pin axle loading and unloading device's accommodation, improve round pin axle installation and dismantle operating efficiency, reduce operation personnel intensity of labour.

In order to achieve the purpose, the utility model provides a hydraulic pin shaft loading and unloading mechanism, which comprises an electric control type walking device, a mechanical frame structure, a hydraulic self-adaptive loading and unloading device and a hoisting platform; one end of the mechanical frame structure is connected with the electric control type walking device, and the other end of the mechanical frame structure is connected with the hydraulic self-adaptive loading and unloading device through the hoisting platform;

the hydraulic self-adaptive loading and unloading device comprises a hydraulic oil cylinder, a plane baffle, a telescopic bottom plate and a U-shaped baffle; one end of the telescopic bottom plate is connected with the plane baffle, and the other end of the telescopic bottom plate is connected with the U-shaped baffle; the hydraulic oil cylinder is arranged on the plane baffle; the cavity formed by the plane baffle, the telescopic bottom plate and the U-shaped baffle is used for placing a workpiece of the pin shaft to be disassembled, and the pin shaft is assembled and disassembled by the movement of the hydraulic oil cylinder.

Further, the mechanical frame structure comprises a rotating device, and a vertical telescopic rod and a horizontal telescopic rod which are connected through the rotating device; vertical telescopic link and horizontal telescopic link mutually perpendicular set up, and vertical telescopic link is connected with automatically controlled formula running gear, and horizontal telescopic link is connected with hoisting platform.

Furthermore, a cylinder body of the hydraulic oil cylinder is fixedly connected with the plane baffle; and a piston rod of the hydraulic oil cylinder reciprocates along the length direction of the telescopic bottom plate.

Further, the hydraulic self-adaptive loading and unloading device also comprises an interchangeable press-fitting head; the interchangeable press-mounting head is connected with a piston rod of the hydraulic oil cylinder; the hardness of the interchangeable press-fitting head is lower than that of the pin shaft.

Furthermore, the telescopic bottom plate comprises two telescopic sleeve plates; a plurality of positioning holes are formed in the two telescopic sleeve plates, the two telescopic sleeve plates are connected through inserting positioning pins into the positioning holes, and the length of the telescopic bottom plate is adjusted through selecting the positioning holes in different positions.

Furthermore, the U-shaped baffle is connected with an adjusting clamping block, and the size of the opening of the U-shaped baffle is adjusted by connecting the adjusting clamping blocks with different thicknesses.

Furthermore, first lifting lugs are connected to two ends of the telescopic bottom plate to achieve horizontal lifting of the hydraulic self-adaptive loading and unloading device.

Furthermore, two ends of the plane baffle are connected with second lifting lugs to realize vertical hoisting of the hydraulic self-adaptive loading and unloading device.

Furthermore, the utility model also comprises a hydraulic driving device; the hydraulic driving device is arranged on the electric control type walking device and used for driving the vertical telescopic rod and the horizontal telescopic rod to stretch and rotate and the rotating device to rotate.

Use the technical scheme of the utility model, following beneficial effect has:

(1) the utility model provides an among the manpower round pin axle handling inefficiency, round pin axle produce burr scheduling problem easily, reduce the installer, improve installation quality and efficiency, be applicable to the round pin axle installation of multiple model, improve the whole price/performance ratio of round pin axle installation device.

(2) The utility model discloses in, automatic formula hydraulic pressure loading and unloading device solves the personnel and strikes the difficulty of dress round pin axle, realizes that the round pin axle installation is automatic, improves round pin axle installation effectiveness.

(3) The utility model discloses in, automatically controlled traveling system, mechanical frame structure and hoisting platform realize multistation operation on a large scale through the hoist and mount mode, enlarge the operation scope of round pin axle installation device, improve the adaptability of round pin axle installation, realize the convenience of round pin axle installation.

(4) The utility model discloses in, automatic formula hydraulic pressure handling device connects through adjusting flexible plate distance, clamp splice interval and selecting suitable interchange pressure equipment, realizes installing and dismantling different types of round pin axle, realizes multiple type of installation and dismantlement on a large scale, reaches the diversified purpose of flexibility of round pin axle installation.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

FIG. 1 is a schematic view of the overall structure of a hydraulic pin assembling and disassembling mechanism;

FIG. 2 is a schematic diagram of a hydraulic adaptive loading and unloading device;

FIG. 3 is a schematic view of the vertical mounting of the pin;

FIG. 4 is a schematic view of the vertical removal of the pin;

FIG. 5 is a schematic view of the horizontal mounting of the pin;

FIG. 6 is a schematic horizontal pin removal view;

wherein, 1, automatically controlled formula running gear, 2, hydraulic pressure self-adaptation handling device, 2.1, hydraulic cylinder, 2.2, the plane baffle, 2.3, flexible bottom plate, 2.4, U type baffle, 2.5, interchange type pressure equipment head, 2.6, the dowel, 2.7, adjust the clamp splice, 2.8, first lug, 2.9, the second lug, 3, hoisting platform, 4, rotary device, 5, vertical telescopic link, 6, horizontal telescopic link, 7, hydraulic drive device, 8, the round pin axle, 9, connecting piece one, 10, connecting piece two.

Detailed Description

The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

Example 1:

referring to fig. 1 to 6, a hydraulic pin shaft assembling and disassembling mechanism comprises an electric control type walking device 1, a mechanical frame structure, a hydraulic driving device 7, a hydraulic self-adaptive assembling and disassembling device 2 and a hoisting platform 3; one end of the mechanical frame structure is connected with the electric control type walking device 1, and the other end of the mechanical frame structure is connected with the hydraulic self-adaptive loading and unloading device 2 through the hoisting platform 3; the hydraulic driving device 7 is arranged on the electric control type walking device 1.

The electric control type walking device is composed of a running motor, a speed reducer, a controller and the like, and the device can be quickly transported in a workshop, so that the work is convenient and quick.

The hydraulic self-adaptive loading and unloading device 2 comprises a hydraulic oil cylinder 2.1, a plane baffle 2.2, a telescopic bottom plate 2.3 and a U-shaped baffle 2.4; one end of the telescopic bottom plate 2.3 is connected with the plane baffle 2.2, and the other end is connected with the U-shaped baffle 2.4; the hydraulic oil cylinder 2.1 is arranged on the plane baffle 2.2; the cavity formed by the plane baffle 2.2, the telescopic bottom plate 2.3 and the U-shaped baffle 2.4 is used for placing a workpiece of the pin shaft to be disassembled, and the pin shaft is assembled and disassembled by the movement of the hydraulic oil cylinder 2.1.

The mechanical frame structure comprises a rotating device 4, and a vertical telescopic rod 5 and a horizontal telescopic rod 6 which are connected through the rotating device 4; vertical telescopic link 5 and the setting of 6 mutually perpendicular of horizontal telescopic link, vertical telescopic link 5 is connected with automatically controlled formula running gear 1, and horizontal telescopic link 6 is connected with hoisting platform 3. The hydraulic driving device 7 is used for driving the expansion and contraction of the vertical telescopic rod 5 and the horizontal telescopic rod 6 and the rotation of the rotating device 4.

The vertical telescopic link of mechanical frame structure can realize expanding operation height range, and rotary device can realize 360 operations of device, and horizontal telescopic link can not realize the device at horizontal distance, and three devices can greatly expand the operating range of device, do not confine to single operation point.

The body of the hydraulic oil cylinder 2.1 is fixedly connected with the plane baffle 2.2; the piston rod of the hydraulic oil cylinder 2.1 reciprocates along the length direction of the telescopic bottom plate 2.3.

The hydraulic self-adaptive handling device 2 also comprises an interchangeable press-mounting head 2.5; the interchangeable press-fitting heads 2.5 are connected with piston rods of the hydraulic oil cylinders 2.1 in a threaded mode, can be connected with interchangeable press-fitting heads of different types to realize the installation and the disassembly of pin shafts of different types (lengths), and can adopt longer (short) interchangeable press-fitting heads to realize the flexibility of the installation of the pin shafts when the pin shafts are assembled and disassembled in shorter (long) time. The material of the interchangeable press-fitting head 2.5 is copper, the hardness of which is lower than that of the pin shaft, so that the damage to the pin shaft during assembling and disassembling can be reduced.

The telescopic bottom plate 2.3 comprises two telescopic sleeve plates; all be equipped with a plurality of locating holes on two flexible lagging, two flexible lagging are connected through inserting locating pin 2.6 in the locating hole, through the locating hole of selecting different positions, adjust the length of flexible bottom plate 2.3.

The U-shaped baffle 2.4 is connected with an adjusting clamping block 2.7, and the size of the opening of the U-shaped baffle is adjusted by connecting the adjusting clamping blocks 2.7 with different thicknesses so as to adapt to the installation of pin shafts with different diameters. The intensity of U type baffle can also be improved simultaneously to increase the regulation clamp splice.

Two ends of the telescopic bottom plate 2.3 are connected with first lifting lugs 2.8 so as to realize horizontal lifting of the hydraulic self-adaptive loading and unloading device 2. Two ends of the plane baffle 2.2 are connected with second lifting lugs 2.9 to realize the vertical hoisting of the hydraulic self-adaptive loading and unloading device 2. The first lifting lug or the second lifting lug is connected with the hoisting platform through a steel wire rope, can work at high altitude and can be installed on an all-dimensional pin shaft on the ground, the working range is expanded, and construction is facilitated.

The operation process of the hydraulic pin shaft assembling and disassembling mechanism is as follows:

and controlling the electric control type walking device to drive the device to a loading and unloading pin shaft station, adjusting the vertical telescopic rod to enable the hydraulic self-adaptive loading and unloading device and the pin shaft mounting point to be on the same horizontal line, adjusting the rotating device to enable the hydraulic self-adaptive loading and unloading device and the pin shaft mounting point to be on the same straight line, adjusting the horizontal telescopic rod to adjust the hydraulic self-adaptive loading and unloading device to the mounting point, and finally carrying out pin shaft installation and disassembly operation.

The automatic hydraulic pin shaft loading and unloading mechanism can be divided into two operation modes, namely vertical hoisting operation and horizontal hoisting operation.

1. The vertical hoisting operation conditions are as follows (fig. 3 and 4):

(1) connecting holes of two mechanism connecting pieces are vertically centered and fixed on a station, a proper interchangeable press-mounting head is selected according to the type and size of a pin shaft 8 to be mounted or dismounted and is connected with a piston rod of a hydraulic oil cylinder, the oil cylinder is adjusted to be in a retraction state, a telescopic plate is adjusted to enable the distance between the interchangeable press-mounting head and an adjusting clamping block to be slightly larger than the sum of the lengths of the pin shaft 8 and a mounting piece, and then a positioning pin shaft 8 of a bottom plate is fixed.

(2) And pre-installing one end of the pin shaft 8 on the connecting holes of the first connecting piece 9 and the second connecting piece 10, and centering the center line of the pin shaft 8 and the center line of the connecting holes.

(3) The hydraulic self-adaptive loading and unloading device is hoisted to the installation position of the pin shaft 8 through the second lifting lug, the interchangeable press-fitting head faces the pin shaft end, the position of the pin shaft hole of the connecting piece is centered by the U-shaped baffle plate end, the hydraulic cylinder is slightly adjusted, the distance between the interchangeable press-fitting head and the pin shaft 8 and the distance between the U-shaped baffle plate and the outer wall of the connecting piece are gradually reduced, the distance between the U-shaped baffle plates is adjusted, and the space range of an included angle formed by the two clamping blocks is larger than the diameter of the pin shaft 8.

(4) The electric control hydraulic device is driven, and a piston rod of the hydraulic oil cylinder slowly presses the pin shaft 8 into or out of the pin shaft hole to complete the installation and the disassembly of the pin shaft 8.

2. The horizontal hoisting condition is as follows (fig. 5 and 6):

(1) the connecting holes of the two mechanism connecting pieces are horizontally centered and fixed on a station, a proper interchangeable press-mounting head is selected to be connected with a piston rod of a hydraulic oil cylinder according to the type and size of the pin shaft 8 to be mounted or dismounted, the oil cylinder is adjusted to be in a retraction state, the telescopic plate is adjusted to enable the distance between the interchangeable press-mounting head and the adjusting clamping block to be slightly larger than the sum of the lengths of the pin shaft 8 and the mounting piece, and then the positioning pin shaft 8 of the bottom plate is fixed.

(2) And then, one end of the pin shaft 8 is pre-installed on the connecting holes of the first connecting piece 9 and the second connecting piece 10, the central line of the pin shaft 8 and the central line of the connecting hole are centered, and the pin shaft 8 is supported in a mechanical or manual mode, so that the pin shaft 8 is prevented from deviating from the central line of the connecting hole due to gravity.

(3) The hydraulic self-adaptive loading and unloading device is hoisted to the installation position of the pin shaft 8 through the lifting lugs 1 and 2, the interchangeable press-fitting head faces the pin shaft end, the position of the pin shaft hole of the connecting piece is centered by the U-shaped baffle end, the hydraulic cylinder is slightly adjusted, the distances between the interchangeable press-fitting head and the pin shaft 8 and between the U-shaped baffle and the outer wall of the connecting piece are gradually reduced, the distance between the U-shaped baffles is adjusted, and the space range of an included angle formed by the two clamping blocks is larger than the diameter of the pin shaft 8.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydraulic pin shaft assembling and disassembling mechanism is characterized by comprising an electric control type walking device (1), a mechanical frame structure, a hydraulic self-adaptive assembling and disassembling device (2) and a hoisting platform (3); one end of the mechanical frame structure is connected with the electric control type walking device (1), and the other end of the mechanical frame structure is connected with the hydraulic self-adaptive loading and unloading device (2) through the hoisting platform (3);

the hydraulic self-adaptive loading and unloading device (2) comprises a hydraulic oil cylinder (2.1), a plane baffle (2.2), a telescopic bottom plate (2.3) and a U-shaped baffle (2.4); one end of the telescopic bottom plate (2.3) is connected with the plane baffle (2.2), and the other end is connected with the U-shaped baffle (2.4); the hydraulic oil cylinder (2.1) is arranged on the plane baffle (2.2); the cavity formed by the plane baffle (2.2), the telescopic bottom plate (2.3) and the U-shaped baffle (2.4) is used for placing a workpiece of the pin shaft to be disassembled, and the pin shaft is assembled and disassembled by the movement of the hydraulic oil cylinder (2.1).

2. A hydraulic pin handling mechanism according to claim 1, characterised in that the mechanical frame structure comprises a rotation device (4) and a vertical telescopic rod (5) and a horizontal telescopic rod (6) connected by the rotation device (4); vertical telescopic link (5) and horizontal telescopic link (6) mutually perpendicular set up, and vertical telescopic link (5) are connected with automatically controlled formula running gear (1), and horizontal telescopic link (6) are connected with hoist and mount platform (3).

3. The hydraulic pin shaft assembling and disassembling mechanism is characterized in that a cylinder body of the hydraulic oil cylinder (2.1) is fixedly connected with a plane baffle (2.2); the piston rod of the hydraulic oil cylinder (2.1) reciprocates along the length direction of the telescopic bottom plate (2.3).

4. A hydraulic pin handling mechanism according to claim 1, characterised in that said hydraulic adaptive handling device (2) further comprises an interchangeable press-fitting head (2.5); the interchangeable press-mounting head (2.5) is connected with a piston rod of the hydraulic oil cylinder (2.1); the hardness of the interchangeable press-fitting head (2.5) is lower than that of the pin shaft.

5. A hydraulic pin handling mechanism according to claim 4, characterised in that the telescopic base plate (2.3) comprises two telescopic straps; a plurality of positioning holes are formed in the two telescopic sleeve plates, the two telescopic sleeve plates are connected by inserting positioning pins (2.6) into the positioning holes, and the length of the telescopic bottom plate (2.3) is adjusted by selecting the positioning holes at different positions.

6. A hydraulic pin shaft assembling and disassembling mechanism as claimed in claim 5, characterized in that the U-shaped baffle (2.4) is connected with an adjusting clamp block (2.7), and the size of the opening of the U-shaped baffle is adjusted by connecting the adjusting clamp blocks (2.7) with different thicknesses.

7. A hydraulic pin shaft assembling and disassembling mechanism as claimed in claim 6, characterized in that the two ends of the telescopic bottom plate (2.3) are connected with first lifting lugs (2.8) to realize horizontal lifting of the hydraulic self-adaptive assembling and disassembling device (2).

8. A hydraulic pin shaft assembling and disassembling mechanism as claimed in claim 7, characterized in that two ends of the plane baffle (2.2) are connected with second lifting lugs (2.9) to realize vertical hoisting of the hydraulic self-adaptive assembling and disassembling device (2).

9. A hydraulic pin shaft assembling and disassembling mechanism according to any one of claims 1 to 8, characterized by further comprising a hydraulic driving device (7); the hydraulic driving device (7) is arranged on the electric control type walking device (1) and is used for driving the vertical telescopic rod (5) and the horizontal telescopic rod (6) to stretch and rotate and the rotating device (4).