CN211474584U

CN211474584U - Stroke adjusting mechanism with double oil outlet cylinders

Info

Publication number: CN211474584U
Application number: CN201921926000.9U
Authority: CN
Inventors: 杨哲; 马光宪; 杨芳; 向代忠; 熊晓军
Original assignee: CHONGQING JIANGDONG MACHINERY CO LTD
Current assignee: CHONGQING JIANGDONG MACHINERY CO LTD
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-09-11
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a two hydro-cylinders stroke adjustment mechanism for adjust the stroke of installing two hydro-cylinders of hydraulic press fuselage stand bottom in the pit, including the adjusting gear of the lower extreme piston rod periphery of two hydro-cylinders of screw-thread fit, locate fuselage stand bottom orientation on the first lateral wall of two hydro-cylinders with adjusting gear meshing straight-teeth gear, level are located first bevel gear of straight-teeth gear upper end, wear to locate on the first lateral wall of fuselage stand bottom corresponding to first bevel gear position department can rotate first minor axis, locate around self axle center first minor axis on corresponding to first bevel gear's one end and with first bevel gear meshing's second bevel gear, ring are located first sprocket on the first minor axis, locate the part that exceeds ground on the first lateral wall of fuselage stand can be around self axle center pivoted second minor axis, And the second chain wheel and the chain are arranged on the second short shaft at the position corresponding to the first chain wheel.

Description

Stroke adjusting mechanism with double oil outlet cylinders

Technical Field

The utility model relates to a two hydro-cylinders stroke adjustment mechanism.

Background

The double-outlet oil cylinder is also called a double-rod hydraulic cylinder, is a hydraulic cylinder with piston rods on two sides of a piston, is generally driven by bidirectional hydraulic pressure, and can realize constant-speed reciprocating motion. The structure of the hydraulic cylinder can be basically divided into five parts, namely a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device. According to the operation needs such as different places, implementation occasion, two oil cylinders need to be installed in the pit under general condition, and in the demand of difference, the stroke requirement to two oil cylinders is different, consequently, operating personnel can adjust the stroke of two oil cylinders according to the demand of difference. In the conventional technology, two operators are generally needed for adjustment, wherein one operator goes down into a pit to adjust the height of an adjusting limit block on a piston rod, and the other operator is matched with the measured actual position. The adjusting mode usually wastes manpower, has long adjusting time, and increases the operation difficulty because operators need to climb up and down.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: the double-oil-outlet-cylinder stroke adjusting mechanism is simple, convenient and quick to adjust and capable of reducing adjusting difficulty.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a two oil cylinder stroke adjustment mechanism for to installing the stroke of two oil cylinders of hydraulic press fuselage stand bottom in the pit to adjust, including locating the adjusting gear of the lower extreme piston rod periphery of two oil cylinders, locate fuselage stand bottom orientation on the first lateral wall of two oil cylinders with adjusting gear meshing straight-teeth gear, level are located first bevel gear of straight-teeth gear upper end, wear to locate on the first lateral wall of fuselage stand bottom corresponding to first bevel gear position department can rotate first minor axis around self axle center, locate on the first minor axis corresponding to first bevel gear's one end and with first bevel gear meshing's second bevel gear, ring are located first sprocket on the first minor axis, locate the part that exceeds ground on the first lateral wall of fuselage stand can be around self axle center pivoted second minor axis, The second chain wheel is arranged on the second short shaft and corresponds to the first chain wheel, and the chain is sleeved on the second chain wheel.

Furthermore, be provided with first bearing frame on the first lateral wall of fuselage stand bottom corresponding to the lower extreme position department of spur gear be provided with second bearing frame on the first lateral wall of fuselage stand bottom corresponding to the upper end position department of the spur gear teeth, rotatable the locating in first bearing frame and the second bearing frame in the upper and lower both ends of spur gear.

Furthermore, a first shaft sleeve is arranged on the first side wall of the bottom of the machine body upright post corresponding to the position of the first bevel gear, and the first short shaft penetrates through the first shaft sleeve to rotate around the axis of the first short shaft.

Furthermore, a second shaft sleeve is arranged on the part, higher than the ground, of the first side wall of the machine body upright column, corresponding to the first shaft sleeve, and a second short shaft penetrates through the second shaft sleeve to rotate around the axis of the second short shaft.

Further, the fuselage stand is half frame form on the projection of horizontal plane, including be close to the first lateral wall of one side of two hydro-cylinders and connect perpendicularly in the second lateral wall and the third lateral wall of first lateral wall both sides.

Furthermore, a first end of the first short shaft, which is close to the first bevel gear, penetrates through the first side wall to be positioned on the first side wall, which is close to the front face of the spur gear, a second end of the first short shaft protrudes out of the back face of the first side wall, and the first chain wheel is annularly arranged at the second end of the first short shaft to be positioned on the back face of the first side wall; the first end of the second short shaft is rotatably arranged on the first side wall and is parallel to and positioned right above the first short shaft, and the second chain wheel is annularly arranged on the second short shaft and is positioned right above the first chain wheel.

Further, the tensioning wheel assembly is arranged on the first side wall of the machine body upright column and positioned between the first chain wheel and the second chain wheel.

Furthermore, the tensioning wheel assembly comprises an adjusting seat, a pin shaft and a tensioning wheel body, wherein the adjusting seat is provided with a strip-shaped hole which is transversely arranged, the pin shaft penetrates through the adjusting hole and then is fixed on the machine body stand column, and the tensioning wheel body is arranged on the adjusting seat.

The hand wheel is characterized by further comprising a third bevel gear arranged at the end of the second short shaft, a third short shaft which is rotatably arranged on the second side wall or the third side wall in a penetrating way and corresponds to the third bevel gear, a fourth bevel gear arranged at the inner end of the third short shaft and meshed with the third bevel gear, and a hand wheel arranged at the outer end of the third short shaft.

Furthermore, a third bearing is arranged at a position, corresponding to the third short shaft, on the second side wall or the third side wall, a third bearing seat parallel to the second side wall or the third side wall is arranged at a position, corresponding to the inner end of the third short shaft, on the inner wall of the first side wall, and the outer end and the inner end of the third short shaft are respectively arranged in the third bearing and the third bearing seat in a penetrating manner so as to be capable of rotating around the self axis.

The utility model discloses a two hydro-cylinders stroke adjustment mechanism only needs light operation alone, independently accomplishes labour saving and time saving. The stroke adjusting mechanism is simple and convenient to adjust, small in installation space and low in cost.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the dual-outlet cylinder stroke adjusting mechanism of the present invention.

Fig. 2 is a right side view of fig. 1.

Fig. 3 is an enlarged view of a portion I in fig. 1.

Fig. 4 is a top view of the fuselage airframe column of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the stroke adjusting mechanism for two oil cylinders of the present invention is used to adjust the stroke of two oil cylinders installed at the bottom of the body column 100 of the hydraulic machine in the pit to meet the requirements of different occasions. Two oil cylinder stroke adjustment mechanism include screw-thread fit two adjusting gear 2, the locating of the lower extreme piston rod periphery of oil cylinder are gone out to two 100 bottom of the body stand orientation on the first lateral wall 101 of two oil cylinders with adjusting gear 2 meshing's straight-teeth gear 3, level are located first bevel gear 41, wear to locate on the first lateral wall 101 of body stand 100 bottom correspond to first bevel gear 41 position can be around self axle center rotation first minor axis 51, locate on the first minor axis 51 correspond to first bevel gear 41 one end and with first bevel gear 41 meshing's second bevel gear 42, ring are located first sprocket 61 on the first minor axis 51, locate the part that exceeds ground on the first lateral wall 101 of body stand 100 can be around self axle center pivoted second minor axis 52, locate on the second minor axis 52 correspond to second sprocket 62 and the cover of first sprocket 61 position department are located first minor axis 51 is located A chain 63 on the second sprocket 62.

In this embodiment, the spur gear 3 is mounted at the bottom of the body pillar 100 through the following mounting structure: the first side wall 101 at the bottom of the body upright column 100 is provided with a first bearing seat 71 corresponding to the lower end position of the straight gear 3, the first side wall 101 at the bottom of the body upright column 100 is provided with a second bearing seat 72 corresponding to the upper end position of the straight gear teeth, and the upper end and the lower end of the straight gear 3 are rotatably arranged in the first bearing seat 71 and the second bearing seat 72.

In this embodiment, the first stub shaft 51 is disposed at the bottom of the fuselage pillar 100 by the following structure: a first shaft sleeve 75 is arranged on the first side wall 101 at the bottom of the fuselage upright 100 at a position corresponding to the first bevel gear 41, and the first short shaft 51 is arranged in the first shaft sleeve 75 in a penetrating manner so as to be capable of rotating around the axis of the first short shaft. It is understood that in other embodiments, the first stub shaft 51 may be mounted to the fuselage stud 100 by any mounting structure known in the art that allows the first stub shaft to rotate on itself.

In this embodiment, the second stub shaft 52 is mounted on the portion of the fuselage pillar 100 above the ground through the following structure: a second shaft sleeve 76 is provided at a position corresponding to the first shaft sleeve 75 on a portion of the first sidewall 101 of the body pillar 100 that is higher than the ground, and the second stub shaft 52 is inserted into the second shaft sleeve 76 so as to be rotatable around its own axis. It will be appreciated that in other embodiments, the second stub shaft 52 may be mounted to the fuselage airframe 100 by any known mounting structure that allows the second stub shaft to rotate on itself.

In this embodiment, the fuselage upright 100 is half-frame-shaped in the projection of the horizontal plane, and includes a first sidewall 101 near one side of the double-outlet cylinder, and a second sidewall 102 and a third sidewall vertically connected to two sides of the first sidewall 101. A first end of the first short shaft 51 close to the first bevel gear 41 penetrates through the first side wall 101 to be located on the first side wall 101 close to the front surface of the spur gear 3, a second end of the first short shaft 51 protrudes out of the back surface of the first side wall 101, and the first chain wheel 61 is annularly arranged at the second end of the first short shaft 51 to be located on the back surface of the first side wall 101; a first end of the second short shaft 52 is rotatably mounted on the first side wall 101 and is parallel to and located directly above the first short shaft 51, and the second sprocket 62 is annularly disposed on the second short shaft 52 and is located directly above the first sprocket 61. The fuselage pillar 100 adopts a semi-enclosed structure, so that the first stub shaft 51 and the second stub shaft 52 are convenient to mount and dismount.

In this embodiment, the double-oil-outlet-cylinder stroke adjusting mechanism further includes a tension wheel assembly disposed on the first sidewall 101 of the body pillar 100 and located between the first sprocket 61 and the second sprocket 62. The tensioning wheel component comprises an adjusting seat 81, a pin shaft 82, a mounting bolt 84 and a tensioning wheel body 83, wherein the adjusting seat 81 is provided with a strip-shaped hole 811 which is transversely arranged, the pin shaft penetrates through the tensioning wheel body 83 and is fixed on the adjusting seat 81, the mounting bolt 84 penetrates through the strip-shaped hole and then is fixed on the machine body upright post 100, the strip-shaped hole 811 can be used for adjusting the position of the adjusting seat 81 in a left-right mode, and therefore the tension degree can be adjusted by adjusting the left-right position of the tensioning wheel body 83. The adjusting seat 81 is fixed to the body pillar 100 by bolts.

In this embodiment, the double-cylinder stroke adjusting mechanism further includes a third bevel gear 43 disposed at a second end of the second stub shaft 52, a third stub shaft 53 rotatably disposed on the second side wall 102 or the third side wall 103 at a position corresponding to the third bevel gear 43, a fourth bevel gear 44 disposed at an inner end of the third stub shaft 53 and engaged with the third bevel gear 43, and a hand wheel disposed at an outer end of the third stub shaft 53. Specifically, a third bearing 73 is disposed on the second side wall 102 or the third side wall 103 at a position corresponding to the third short shaft 53, a third bearing seat 74 parallel to the second side wall 102 or the third side wall 103 is disposed on the inner wall of the first side wall 101 at a position corresponding to the inner end of the third short shaft 53, and the outer end and the inner end of the third short shaft 53 are respectively inserted into the third bearing 73 and the third bearing seat 74 to be capable of rotating around the own axis. With the arrangement, a worker only needs to stand on the side of the body upright 100 to rotate the hand wheel and turn for the first time through the fourth bevel gear 44 and the third bevel gear 43, so that the chain wheel on the second short shaft 52 rotates, the operator does not need to rotate the second short shaft 52 to the back side of the body upright 100, and the operation mode is simpler and more convenient. The second stub shaft 52 rotates to drive the first stub shaft 51 to rotate, the second bevel gear 42 positioned on the first stub shaft 51 rotates along with the first stub shaft 51, the first bevel gear 41 matched with the second bevel gear 42 drives the straight gear 3 to rotate, so that the adjusting gear meshed with the straight gear 3 moves along the up-and-down direction of the straight gear 3, and the stroke of the double oil outlet cylinders is adjusted.

The utility model discloses a two oil cylinder stroke adjustment mechanism, hand wheel and second minor axis 52 link to each other, fix on fuselage stand 100 (compressed tightly by the end cover) through third bearing 73, and the inner end of third minor axis 53 is installed fourth bevel gear 44, and it is fixed to be supported through third bearing 73 and 5 third bearing frame 74, makes fourth bevel gear 44 and third bevel gear 43 cooperate and realizes the effect of turning to for the first time; the third bevel gear 43 and the second chain wheel 62 (the diameter is larger than that of the first chain wheel 61) are fixed on the first side wall 101 of the vertical column through a shaft sleeve and the second short shaft 52; the pin shaft 82 penetrates through the tension wheel to be installed on the adjusting seat 81, and two long holes in the adjusting seat 81 are used for adjusting the position of the tension wheel in the horizontal direction and then are locked by screws; the first chain wheel 61 and the second bevel gear 42 are arranged at two ends of the first short shaft 51, penetrate through the shaft sleeve together, are pressed by the end cover and are fixed in the mounting hole at the lower side of the body upright 100; the upper end of the straight gear 3 is provided with a second bearing seat 72 and a first bevel gear 41, the lower end of the straight gear 3 is provided with a first bearing seat 71, two ends of the straight gear 3 are fixed on the upright post 100 of the machine body through the first and second bearing seats 71 and 72 and an end cover, and the first bevel gear 41 is matched with the second bevel gear to realize secondary steering. The adjusting gear 2 is connected with a double-outlet oil cylinder piston rod through threaded connection and is arranged in a double-outlet oil cylinder body (the double-outlet oil cylinder piston rod cannot rotate in the double-outlet oil cylinder body), and the double-outlet oil cylinder body is fixed on a base of the machine body upright post 100; the spur gear 3 is matched with the adjusting gear 2 through teeth, the first chain wheel 61 and the second chain wheel 62 are connected with each other through a chain 63, and the middle part of the first chain wheel 61 and the second chain wheel 62 is provided with a tension wheel to ensure the transmission between the first chain wheel 61 and the second chain wheel 62.

When the up-down stroke of the used double oil outlet cylinders is changed, an operator rotates a hand wheel to drive the third stub shaft 532 and the fourth bevel gear 44 to drive the second bevel gear 42 together, so that the first steering is realized, the second bevel gear 42 and the second sprocket wheel 62 are both arranged on the second stub shaft 52, so that the third bevel gear 43 drives the second stub shaft 52 to rotate, the second stub shaft 52 drives the first sprocket wheel 61 through the chain 63, the first sprocket wheel 61 drives the second bevel gear 42 arranged on the first stub shaft 51 to rotate, and simultaneously, the second bevel gear 42 and the matched first bevel gear 41 realize the second steering, the second bevel gear 42 is arranged on the straight gear 3 to directly drive the straight gear 3 to rotate, the straight gear 3 drives the adjusting gear 2 matched with the straight gear 3, and the double oil outlet cylinder piston rods are withdrawn or screwed in the rotating process of the adjusting gear 2, so.

The utility model discloses a two hydro-cylinder stroke adjustment mechanism, operating personnel stand and to adjust the stroke of two hydro-cylinders subaerial, solved in the conventional art operating personnel need go down the problem that could adjust in the pit, solved the problem that needs two people just can adjust in the conventional art. The manpower is saved, the difficulty and the complexity of adjustment are reduced, the adjustment time is saved, and the efficiency is improved. And the double-oil-outlet-cylinder stroke adjusting mechanism has low manufacturing cost and can be realized without excessively complicated control.

The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a two hydro-cylinders stroke adjustment mechanism for adjust the stroke of installing two hydro-cylinders of hydraulic press fuselage stand bottom in the pit, its characterized in that: comprises an adjusting gear which is in threaded fit with the periphery of a piston rod at the lower end of the double-outlet oil cylinder, a straight gear which is arranged on the bottom of the machine body upright column and faces the first side wall of the double-outlet oil cylinder, a first bevel gear which is horizontally arranged at the upper end of the straight gear, and a first short shaft which is arranged on the first side wall of the bottom of the machine body upright column in a penetrating way and corresponds to the position of the first bevel gear and can rotate around the axis of the first short shaft, the chain wheel is characterized by comprising a second bevel gear, a first chain wheel, a second short shaft, a second chain wheel and a chain, wherein the second bevel gear is arranged on the first short shaft, corresponds to one end of the first bevel gear and is meshed with the first bevel gear, the first chain wheel is annularly arranged on the first short shaft, the second short shaft is arranged on the part, higher than the ground, of the first side wall of the machine body upright post and can rotate around the axis of the second short shaft, the second chain wheel is arranged on the second short shaft, corresponds to the first chain wheel, and the chain is sleeved on the second chain.

2. The dual discharge cylinder stroke adjustment mechanism of claim 1, wherein: the first side wall of the bottom of the machine body upright post is provided with a first bearing seat corresponding to the lower end position of the straight gear, the first side wall of the bottom of the machine body upright post is provided with a second bearing seat corresponding to the upper end position of the straight gear, and the upper end and the lower end of the straight gear are rotatably arranged in the first bearing seat and the second bearing seat.

3. The dual discharge cylinder stroke adjustment mechanism of claim 1, wherein: the first side wall of the bottom of the machine body upright post is provided with a first shaft sleeve corresponding to the position of the first bevel gear, and the first short shaft penetrates through the first shaft sleeve to rotate around the axis of the first short shaft.

4. The dual discharge cylinder stroke adjustment mechanism of claim 3, wherein: and a second shaft sleeve is arranged on the part, higher than the ground, of the first side wall of the machine body upright column, corresponding to the first shaft sleeve, and a second short shaft penetrates through the second shaft sleeve to rotate around the axis of the second short shaft.

5. The dual discharge cylinder stroke adjustment mechanism of claim 1, wherein: the fuselage stand is half frame form on the projection of horizontal plane, including be close to two first lateral walls and the perpendicular connection of one side of going out the hydro-cylinder in the second lateral wall and the third lateral wall of first lateral wall both sides.

6. The dual discharge cylinder stroke adjustment mechanism of claim 5, wherein: the first end, close to the first bevel gear, of the first short shaft penetrates through the first side wall to be located on the first side wall and close to the front face of the straight gear, the second end of the first short shaft protrudes out of the back face of the first side wall, and the first chain wheel is annularly arranged at the second end of the first short shaft to be located on the back face of the first side wall; the first end of the second short shaft is rotatably arranged on the first side wall and is parallel to and positioned right above the first short shaft, and the second chain wheel is annularly arranged on the second short shaft and is positioned right above the first chain wheel.

7. The dual discharge cylinder stroke adjustment mechanism of claim 6, wherein: the tensioning wheel assembly is arranged on the first side wall of the machine body upright column and positioned between the first chain wheel and the second chain wheel.

8. The dual discharge cylinder stroke adjustment mechanism of claim 7, wherein: the tensioning wheel assembly comprises an adjusting seat, a pin shaft and a tensioning wheel body, wherein the adjusting seat is provided with a strip-shaped hole which is transversely arranged, the pin shaft penetrates through the strip-shaped hole and then is fixed on the machine body stand column, and the tensioning wheel body is arranged on the adjusting seat.

9. The double-outlet cylinder stroke adjusting mechanism according to any one of claims 5 to 8, wherein: the hand wheel is arranged at the outer end of the third short shaft, and the hand wheel is arranged at the inner end of the third short shaft.

10. The dual discharge cylinder stroke adjustment mechanism of claim 9, wherein: a third bearing is arranged on the second side wall or the third side wall at a position corresponding to the third short shaft, a third bearing seat parallel to the second side wall or the third side wall is arranged on the inner wall of the first side wall at a position corresponding to the inner end of the third short shaft, and the outer end and the inner end of the third short shaft are respectively arranged in the third bearing and the third bearing seat in a penetrating manner so as to be capable of rotating around the self axis.