CN213655306U - Adjustable mechanical limiting device of hydraulic oil cylinder - Google Patents
Adjustable mechanical limiting device of hydraulic oil cylinder Download PDFInfo
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- CN213655306U CN213655306U CN202022825667.9U CN202022825667U CN213655306U CN 213655306 U CN213655306 U CN 213655306U CN 202022825667 U CN202022825667 U CN 202022825667U CN 213655306 U CN213655306 U CN 213655306U
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Abstract
The utility model discloses a machinery stop device with adjustable hydraulic cylinder belongs to hydro-cylinder stroke and adjusts technical field. The utility model discloses a machinery stop device with adjustable hydraulic cylinder, the vertical through-hole of having seted up in operation panel middle part, the vertical hydro-cylinder piston rod of installing in the through-hole still includes the float board, surface fixed mounting has limit stop under the float board, limit stop's lower surface is connected with the upper surface of hydro-cylinder piston rod, adjusting device is installed to one side of hydro-cylinder piston rod, adjusting device includes that coaxial transmission connects remove the worm wheel of stop collar lower part, the worm wheel passes through its rotation of worm drive, the outer end of worm is connected with the handle, be provided with the counter on the handle, according to worm wheel, worm drive design modulus, every handle round that rotates for remove the ascending or decline fixed height of stop collar, thereby reach the effect of accurate adjustment hydro-cylinder piston rod motion stroke.
Description
Technical Field
The utility model belongs to the technical field of the hydro-cylinder stroke technique of adjusting and specifically relates to a machinery stop device with adjustable hydraulic cylinder that says so.
Background
The existing oil cylinder structure comprises a cylinder body, a front end cover and a rear end cover are arranged on the front end and the rear end of the cylinder body respectively, an oil return hole and an oil inlet hole are arranged on the front end cover and the rear end cover respectively, a cavity is arranged in the cylinder body, a piston is arranged in the cavity, the cavity is divided into a front cavity and a rear cavity by the piston, the oil return hole and the oil inlet hole are communicated with the front cavity and the rear cavity respectively, the piston is fixedly connected with the rear end of a piston rod, and the front end of the piston rod penetrates through the front end cover. When the oil cylinder is used, the oil cylinder is fixedly arranged on processing equipment, the front end of the piston rod is connected with a workpiece, oil is fed into the back cavity through the oil inlet hole, oil is returned from the oil return hole, the piston and the piston rod are pushed to move forwards, oil is fed into the front cavity through the oil return hole, oil is returned from the oil inlet hole, and the piston rod are pushed to move backwards. In the process, the movement of the piston is full stroke, and the stroke of the piston rod are not adjustable. In the actual processing process, because the size of the workpiece changes frequently, the processing requirement also changes frequently, and the oil cylinder is fixedly arranged on the processing equipment, the size and the processing change are inconvenient to meet, and the actual processing requirement is difficult to meet.
Through retrieval, relevant patents are disclosed at present for solving the problems that the oil cylinder is fixedly arranged on processing equipment, and the size and processing change are inconvenient. For example, the Chinese patent application number is: 200910025471.7, application date is: 2009 at 3.6 days, an oil cylinder capable of adjusting the stroke of a piston is disclosed, which comprises a cylinder body, wherein a front end cover and a rear end cover are respectively arranged at the front end and the rear end of the cylinder body, the cylinder body is internally provided with a piston and a piston rod, the rear end cover is provided with a rear limiting seat, a limiting cavity is arranged in the rear limiting seat, the limiting cavity is communicated with the rear cavity through a mounting hole in the rear end cover, a rear limiting rod is movably arranged in the limiting cavity and the mounting hole, the front end of the rear limiting rod is matched with the bottom of the piston, the rear end of the rear limiting rod is arranged in the limiting cavity, a threaded hole communicated with the limiting cavity is arranged in the rear limiting seat, an adjusting screw rod matched with the threaded hole is arranged in the threaded hole, and a locking nut matched with the adjusting screw rod is arranged on the adjusting screw rod, so that the stroke of the piston and. However, since the hydraulic cylinder is driven to move forward and backward after being supplied with oil from the inside of the cylinder body, the hydraulic cylinder installed in a machine with a complex structure cannot be operated if the movement stroke of the hydraulic cylinder needs to be precisely adjusted.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
To among the prior art hydraulic cylinder adopt outside dog to carry out the spacing regulation inaccuracy scheduling problem that causes of mechanical force, the utility model provides a mechanical stop device with adjustable hydraulic cylinder adjusts the upper and lower stroke of hydro-cylinder piston rod through adjusting device, and then through the height of limit stop control floating plate to solve the motion stroke regulation inaccuracy scheduling problem of the inside hydro-cylinder of complex construction machine.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
an adjustable mechanical limiting device of a hydraulic cylinder comprises an operating platform, wherein a through hole is vertically formed in the middle of the operating platform, and a cylinder piston rod is vertically arranged in the through hole; still include the floating plate, the guide post fixed mounting that the floating plate set up through the vertical symmetry in its below is in the mounting hole that corresponds on the operation panel, fixed surface installs limit stop under the floating plate, limit stop's lower surface is connected with the upper surface of hydro-cylinder piston rod, adjusting device is installed to one side of hydro-cylinder piston rod, through the upper and lower stroke of adjusting device regulation hydro-cylinder piston rod, and then through the height of limit stop control floating plate to solve the inside hydro-cylinder's of complex construction machine motion stroke regulation inaccuracy scheduling problem.
Further technical scheme, the coaxial fixed mounting in hydro-cylinder piston rod periphery has the removal stop collar, remove stop collar upper portion along its circumference movably connected with fixed cover, fixed cover passes through bolt fixed mounting on the operation panel, it is even as an organic whole with the hydro-cylinder piston rod to remove the stop collar and reciprocate along fixed cover through will removing to drive the hydro-cylinder piston rod and do upper and lower motion.
Further technical scheme, fixed cover lower part is close to remove one side of stop collar and seted up the spacing groove, it is close to remove the stop collar lower part the vertical stopper of installing in one side of fixed cover, the stopper can follow and remove the stop collar and reciprocate and pass in and out the spacing inslot, when the piston rod goes upward, stop dog and hydro-cylinder piston rod are connected integratively to go upward simultaneously, when the up end of stopper contacts with the spacing groove face of fixed cover, the hydro-cylinder piston rod stops going upward, stop dog's stroke is restricted, is the highest point that the hydro-cylinder piston rod adjusted this moment.
According to the technical scheme, the adjusting device comprises a worm wheel which is coaxially connected to the lower portion of the movable limiting sleeve in a transmission mode, the worm wheel drives the worm wheel to rotate through a worm, and therefore the movement stroke of the oil cylinder installed inside a machine with a complex structure can be precisely adjusted through worm and gear transmission.
Further technical scheme, the outer end of worm is connected with the handle, be provided with the counter on the handle, the worm is connected with the worm wheel that removes the latter half of stop collar, and every rotation handle round for remove the fixed height that the stop collar rises or descends, the highest and the lowest position difference in height that remove the stop collar are H, according to worm wheel, worm transmission design modulus.
Further technical scheme, the periphery of hydro-cylinder piston rod has cup jointed the dirt proof boot that can stretch out and draw back along its circumference is vertical, the lower extreme fixed mounting of dirt proof boot is in on the outer peripheral face of fixed cover, the up end that the dirt proof boot can cup joint at the hydro-cylinder piston rod can follow the hydro-cylinder piston rod and stretch out and draw back from top to bottom to realize dustproof effect.
Further technical scheme, fixed cover periphery coaxial cup joints the dustproof oil cover, the dustproof oil cover passes through the fix with screw the upper surface of operation panel is through setting up the dustproof oil cover at fixed cover periphery to the convenience adds lubricating oil here, thereby realizes lubricated effect, and the dustproof oil cover is fixed with fixed cover, can not influence the upper and lower operation of hydro-cylinder piston rod.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) the utility model discloses a mechanical stop device with adjustable hydraulic cylinder, the through-hole has vertically been seted up at the operation panel middle part, vertically install the hydro-cylinder piston rod in the through-hole, still include the float board, the float board is fixed mounting on the operation panel through the guide post that its below vertical symmetry set up, the surface fixed mounting has limit stop under the float board, limit stop's lower surface is connected with the upper surface of hydro-cylinder piston rod, adjusting device is installed to one side of hydro-cylinder piston rod, adjusts the up-and-down stroke of hydro-cylinder piston rod through adjusting device, and then controls the height of float board through limit stop to solve the motion stroke regulation inaccuracy scheduling problem of the hydro-cylinder inside the complex construction machine;
(2) the utility model discloses an adjustable mechanical stop device of hydraulic cylinder, the coaxial fixed mounting in oil cylinder piston rod periphery has the removal stop collar, the upper portion of removal stop collar is connected with fixed cover along its circumference movablely, fixed cover passes through bolt fixed mounting at the operation panel, through will remove the stop collar and reciprocate along fixed cover to drive the oil cylinder piston rod and do the up-and-down motion;
(3) the utility model discloses an adjustable mechanical stop device of hydraulic cylinder, the fixed cover lower part is close to one side of removing the stop collar and has seted up the spacing groove, it is close to one side vertical installation stopper of fixed cover to remove the stop collar lower part, the stopper can follow and remove the stop collar and reciprocate and pass in and out in the spacing groove, when the up end of stopper contacts with the spacing groove face of fixed cover, the hydro-cylinder piston rod stops going upward, the stroke of limit stop is restricted, is the highest point that the hydro-cylinder piston rod was adjusted this moment;
(4) the utility model discloses an adjustable mechanical stop device of hydraulic cylinder, adjusting device includes coaxial transmission and connects the worm wheel in the removal stop collar lower part, the worm wheel drives its rotation through the worm, for the hydro-cylinder of installing in complicated structure machine, through the worm gear transmission so as to can the fine adjustment its motion stroke;
(5) the utility model discloses a machinery stop device with adjustable hydraulic cylinder, the outer end of worm is connected with the handle, be provided with the counter on the handle, according to worm wheel, worm transmission design modulus, per rotation handle round for remove the ascending or decline fixed height of stop collar, the highest and the lowest position difference in height that remove the stop collar are H. The worm is connected with the worm wheel of the lower half portion of the movable limiting sleeve, the handle is rotated to drive the worm to rotate, and then the movable limiting sleeve is driven to rotate, so that the effect of accurately adjusting the motion stroke of the oil cylinder piston rod is achieved.
Drawings
FIG. 1 is a schematic view of a longitudinal section of the mechanical stop device of the present invention;
fig. 2 is a top view of the mechanical limiting device of the present invention;
fig. 3 is a schematic view of the structure of the mechanical limiting device in an initial state of height adjustment;
FIG. 4 is a schematic view of the internal structure of FIG. 3;
fig. 5 is a schematic view of the final state structure of the mechanical limiting device for height adjustment;
fig. 6 is a schematic view of the internal structure of fig. 5.
In the figure: 1-an operation table, 2-an oil cylinder piston rod, 3-a floating plate, 4-a limit stop, 5-a dustproof oil cover, 6-an adjusting device, 21-a fixed sleeve, 22-a movable limit sleeve, 23-a dustproof sleeve, 24-a bolt, 31-a guide column, 51-a screw, 61-a worm wheel, 62-a worm, 63-a handle, 64-a counter, 211-a limit groove, 221-a limit block and 311-a mounting hole.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.
Example 1
The adjustable mechanical limiting device for the hydraulic cylinder comprises an operating platform 1, wherein a through hole is vertically formed in the middle of the operating platform 1, and a cylinder piston rod 2 is vertically arranged in the through hole, as shown in figures 1-2; still include floating plate 3, floating plate 3 is through the guide post 31 fixed mounting that the vertical symmetry in its below set up in the mounting hole 311 that corresponds on operation panel 1, floating plate 3 lower fixed surface installs limit stop 4, limit stop 4's lower surface is connected with the upper surface of hydro-cylinder piston rod 2, adjusting device is installed to one side of hydro-cylinder piston rod 2, adjusts the up-down stroke of hydro-cylinder piston rod 2 through adjusting device 6, and then through the height of limit stop 4 control floating plate 3 to solve the inside motion stroke regulation inaccuracy scheduling problem of the hydro-cylinder of complex construction machine. The coaxial fixed mounting in 2 peripheries of hydro-cylinder piston rod has removal stop collar 22, remove stop collar 22 upper portion along its circumference movably connected with fixed cover 21, fixed cover 21 passes through bolt 24 fixed mounting on operation panel 1, it is even as an organic whole with hydro-cylinder piston rod 2 to remove stop collar 22 and reciprocate along fixed cover 21 through will removing to drive hydro-cylinder piston rod 2 and do upper and lower motion. As shown in fig. 3 to 4, a limiting groove 211 is formed in one side of the lower portion of the fixed sleeve 21, which is close to the movable limiting sleeve 22, a limiting block 221 is vertically installed in one side of the lower portion of the movable limiting sleeve 22, which is close to the fixed sleeve 21, and the limiting block 221 can move up and down along with the movable limiting sleeve 22 and enter and exit the limiting groove 211. Fixed cover 21 peripheral coaxial the having cup jointed dustproof oil cover 5, dustproof oil cover 5 passes through screw 51 to be fixed the upper surface of operation panel 1 is through setting up dustproof oil cover 5 at fixed cover 21 periphery to the convenience adds lubricating oil here, thereby realizes lubricated effect, and dustproof oil cover 5 is fixed with fixed cover 21, can not influence the upper and lower operation of hydro-cylinder piston rod 2.
In this embodiment, as shown in fig. 3 to 4, when the piston rod moves upward, the limit stop 4 is integrally connected to the cylinder piston rod 2, and moves upward at the same time, when the upper end surface of the limit block 221 contacts with the groove surface of the limit groove 211 of the fixed sleeve 21, the cylinder piston rod 2 stops moving upward, the stroke of the limit stop 4 is limited, and the highest position of the cylinder piston rod 2 is adjusted at this time. As shown in fig. 5 to 6, when the piston rod moves downward, the limit stop 4 moves downward along with the cylinder piston rod 2, and when the lower end surface of the piston rod is flush with the lower end surface of the operation table 1, the downward movement is stopped, which is the lowest position adjusted by the cylinder piston rod 2, and the height difference between the highest position and the lowest position of the movable limit sleeve 22 is H, that is, the height difference between the highest position and the lowest position of the limit stop 4 is H.
Example 2
The basic structure of the adjustable mechanical limiting device of the hydraulic cylinder is the same as that of the embodiment 1, and the difference and the improvement are that: as shown in fig. 2, the adjusting device 6 comprises a worm wheel 61 coaxially connected to the lower part of the movable limiting sleeve 22 in a transmission way, and the worm wheel 61 is driven to rotate by a worm 62; the outer end of worm 62 is connected with handle 63, be provided with counter 64 on the handle 63, worm 62 is connected with the worm wheel 61 that removes the latter half of stop collar 22, according to worm wheel 61, the worm 62 transmission design modulus, rotates handle 63 round for every for remove stop collar 22 and rise or descend fixed height, the highest and the lowest position difference in height that remove stop collar 22 is H. The worm 62 is connected with the worm wheel 61 on the lower half part of the movable limiting sleeve 22, the handle 63 is rotated to drive the worm 62 to rotate, and then the movable limiting sleeve 22 is driven to rotate, so that the effect of accurately adjusting the motion stroke of the piston rod of the oil cylinder is achieved.
Example 3
The basic structure of the adjustable mechanical limiting device of the hydraulic cylinder is the same as that of the embodiment 2, and the difference and the improvement are that: as shown in fig. 1, the periphery of the oil cylinder piston rod 2 is vertically sleeved with a dustproof sleeve 23 capable of stretching along the circumferential direction of the oil cylinder piston rod, the lower end of the dustproof sleeve 23 is fixedly installed on the outer peripheral surface of the fixed sleeve 21, the upper end of the dustproof sleeve 23 can be sleeved on the upper end surface of the oil cylinder piston rod 2 and can stretch up and down along with the oil cylinder piston rod 2, so that a dustproof effect is achieved.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a mechanical stop device with adjustable hydraulic cylinder which characterized in that: the device comprises an operating table (1), wherein a through hole is vertically formed in the middle of the operating table (1), and an oil cylinder piston rod (2) is vertically arranged in the through hole; still include floating plate (3), floating plate (3) are through guide post (31) fixed mounting that the vertical symmetry in its below set up on operation panel (1), floating plate (3) lower fixed surface installs limit stop (4), the lower surface of limit stop (4) is connected with the upper surface of hydro-cylinder piston rod (2), adjusting device (6) are installed to one side of hydro-cylinder piston rod (2) to adjust its vertical stroke through adjusting device (6).
2. The adjustable mechanical limiting device of the hydraulic cylinder as recited in claim 1, wherein: the coaxial fixed mounting in hydro-cylinder piston rod (2) periphery has removal stop collar (22), remove stop collar (22) upper portion along its circumference movably connected with fixed cover (21), fixed cover (21) are through bolt (24) fixed mounting on operation panel (1).
3. The adjustable mechanical limiting device of the hydraulic cylinder as recited in claim 2, wherein: fixed cover (21) lower part is close to one side of removing stop collar (22) has seted up spacing groove (211), it is close to remove stop collar (22) lower part one side of fixed cover (21) is vertical installs stopper (221), stopper (221) can follow and remove stop collar (22) and reciprocate and go out in spacing groove (211).
4. The adjustable mechanical limiting device of the hydraulic oil cylinder as claimed in claim 3, wherein: the adjusting device (6) comprises a worm wheel (61) which is coaxially connected to the lower part of the movable limiting sleeve (22) in a transmission mode, and the worm wheel (61) is driven to rotate through a worm (62).
5. The adjustable mechanical limiting device of the hydraulic oil cylinder as claimed in claim 4, wherein: the outer end of the worm (62) is connected with a handle (63), and a counter (64) is arranged on the handle (63).
6. The adjustable mechanical limiting device of a hydraulic cylinder as recited in any one of claims 2 to 5, wherein: the periphery of the oil cylinder piston rod (2) is vertically sleeved with a telescopic dustproof sleeve (23) along the circumferential direction of the oil cylinder piston rod, and the lower end of the dustproof sleeve (23) is fixedly installed on the outer peripheral surface of the fixed sleeve (21).
7. The adjustable mechanical limiting device of the hydraulic oil cylinder as claimed in claim 6, wherein: the periphery of the fixed sleeve (21) is coaxially sleeved with a dustproof oil cover (5), and the dustproof oil cover (5) is fixed to the upper surface of the operating platform (1) through a screw (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022825667.9U CN213655306U (en) | 2020-11-30 | 2020-11-30 | Adjustable mechanical limiting device of hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022825667.9U CN213655306U (en) | 2020-11-30 | 2020-11-30 | Adjustable mechanical limiting device of hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213655306U true CN213655306U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022825667.9U Active CN213655306U (en) | 2020-11-30 | 2020-11-30 | Adjustable mechanical limiting device of hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213655306U (en) |
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2020
- 2020-11-30 CN CN202022825667.9U patent/CN213655306U/en active Active
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