Telescopic hydraulic oil cylinder convenient for stroke adjustment

Abstract

The utility model discloses a telescopic hydraulic oil cylinder convenient for stroke adjustment, and relates to the technical field of hydraulic oil cylinders. The telescopic hydraulic oil cylinder facilitating stroke adjustment comprises hydraulic oil cylinder equipment, an adjusting mechanism is arranged on the outer wall of the hydraulic oil cylinder equipment, and a reinforcing mechanism is arranged on the outer wall of the adjusting mechanism; the reinforcing mechanism comprises an extruding part and a fixing part; the adjusting mechanism comprises a connecting sleeve and an adjusting rod, and has the technical effects that after the reinforcing mechanism completes adjustment, the pre-tightening force of the spring and the damper can enable the extrusion block to be tightly meshed with the tooth surface of the toothed plate, so that the adjusting rod is effectively prevented from loosening and displacing, and the stability and the reliability during working are ensured; the reinforcing frame is moved to the position below the movable plate through the fixing nut, secondary reinforcing is conducted on the extrusion block, the meshing stability of the extrusion block and the toothed plate is further enhanced, and the stable structure of the oil cylinder can be guaranteed even if the oil cylinder is in a complex working environment for a long time.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic oil cylinder technical field, concretely is a telescopic hydraulic oil cylinder convenient to stroke adjustment. BACKGROUND

[0002] Hydraulic cylinder is the hydraulic energy conversion mechanical energy, does linear reciprocating motion (or swing motion) hydraulic actuator. It simple structure, reliable work. When it is used to realize reciprocating motion, can avoid the deceleration device, and there is no transmission gap, movement is stable, therefore in the hydraulic system of various machinery is widely used,

[0003] In actual use process, because the work demand difference is bigger under different working conditions, hydraulic cylinder often needs stroke adjustment,

[0004] The existing hydraulic oil cylinder lacks effective reinforcing measures after completing stroke adjustment, when the hydraulic oil cylinder bears larger load or frequent vibration impact in the working process, the adjusted part is easy to appear loose, displacement and other conditions, thereby can influence the work stability and reliability of the hydraulic oil cylinder, therefore, propose a telescopic hydraulic oil cylinder convenient to stroke adjustment. UTILITY MODEL CONTENTS

[0005] (I) the technical problem solved

[0006] In view of the deficiency of prior art, the utility model provides a telescopic hydraulic oil cylinder convenient to stroke adjustment, solves the problem that when the hydraulic oil cylinder bears larger load or frequent vibration impact in the working process, the adjusted part is easy to appear loose, displacement and other conditions, thereby can influence the work stability and reliability of the hydraulic oil cylinder.

[0007] (II) technical scheme

[0008] In order to realize the above object, the utility model is realized through the following technical scheme: including hydraulic oil cylinder equipment, the hydraulic oil cylinder equipment outer wall is provided with adjusting mechanism, the adjusting mechanism outer wall is provided with reinforcing mechanism,

[0009] The reinforcing mechanism includes extrusion part and fixed part,

[0010] The adjusting mechanism includes connecting sleeve and adjusting rod,

[0011] The extrusion part includes toothed plate and extrusion block, and the fixed part includes reinforcing frame and limiting plate,

[0012] The inner side of the connecting sleeve is in sliding connection with the outer wall of the adjusting rod, the inner side of the adjusting rod is in fixed connection with the outer wall of the toothed plate, the outer wall of the connecting sleeve is fixedly provided with a fixing frame, the outer wall of the fixing frame is slidably penetrated by a moving plate extending to the inner side of the reinforcing frame, the top surface of the moving plate is fixedly connected with the bottom surface of the extrusion block, and the outer wall of the extrusion block is in meshing connection with the tooth surface of the toothed plate.

[0013] Preferably, the outer wall of the adjusting rod is fixedly provided with a connecting plate, one side of the connecting plate close to the connecting sleeve is fixedly provided with an adjusting threaded rod, the outer wall of the adjusting threaded rod is sleeved with a mounting seat, the outer wall of the mounting seat is fixedly connected with the outer wall of the connecting sleeve, the outer wall of the mounting seat is rotatably provided with a control nut through a bearing seat, and the inner side of the control nut is in threaded connection with the outer wall of the adjusting threaded rod.

[0014] Preferably, the inner side of the fixing frame is fixedly provided with a spring and a damper, the outer wall of the moving plate is fixedly provided with an extrusion plate, and the top surfaces of the spring and the damper are fixedly connected with the bottom surface of the extrusion plate.

[0015] Preferably, the outer wall of the fixing frame is fixedly connected with the outer wall of a limiting plate, the outer wall of the limiting plate extends to the outer side of the reinforcing frame through the inner side of the reinforcing frame, and the inner side of the reinforcing frame is in sliding connection with the bottom surface of the moving plate.

[0016] Preferably, the outer wall of the fixing frame is rotatably provided with a reinforcing threaded rod through a bearing seat two, one side of the reinforcing threaded rod close to the reinforcing frame extends to the outer side of the reinforcing frame through the inner side of the reinforcing frame, the outer wall of the reinforcing frame is fixedly provided with a fixing nut, and the inner side of the fixing nut is in threaded connection with the outer wall of the reinforcing threaded rod.

[0017] Preferably, the inner side of the connecting sleeve is provided with two limiting grooves, and the outer wall of the adjusting rod is fixedly provided with two limiting blocks, and the outer walls of the two limiting blocks are in sliding connection with the inner walls of the two limiting grooves, respectively.

[0018] (Three) beneficial effects

[0019] The utility model provides a kind of telescopic hydraulic oil cylinder of easy travel adjustment.

[0020] (I) the one convenient for stroke adjustment telescopic hydraulic cylinder, the pre-tightening force of spring and damper can make extrusion block and tooth surface of tooth plate tightly meshed after the reinforcing mechanism is adjusted, effectively prevent the loosening displacement of adjusting rod, ensure the stability and reliability during work, on this basis, through rotating reinforcing threaded rod, the reinforcing frame is moved to the lower side of moving plate by fixed nut, the extrusion block is secondarily reinforced, the stability of extrusion block and tooth plate meshing is further enhanced, even if in complex working environment for a long time, the structure of oil cylinder is stable, equipment failure is reduced, safety and service life are improved.

[0021] (II) the one convenient for stroke adjustment telescopic hydraulic cylinder, adjusting mechanism can realize adjusting cylinder stroke by manually rotating control nut and utilizing the threaded connection between control nut and adjusting threaded rod, operation is simple, without complex professional technology, reduce use cost and time cost, improve work efficiency, meanwhile, the cooperation of limiting groove and limiting block between connecting sleeve and adjusting rod makes adjusting rod slide along specific track when moving, avoids deviation and shaking, enhances structural stability. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the overall structure schematic view of the utility model;

[0023] Figure 2 It is the structure schematic view of reinforcing mechanism of the utility model;

[0024] Figure 3 It is the structure schematic view of spring in reinforcing mechanism of the utility model;

[0025] Figure 4 It is the structure schematic view of adjusting mechanism of the utility model;

[0026] Figure 5 It is the structure schematic view of the utility model Figure 2 A zone of the utility model is enlarged.

[0027] In the drawing: 1, hydraulic cylinder equipment;2, adjusting mechanism;21, connecting sleeve;22, adjusting threaded rod;23, control nut;24, mounting seat;25, connecting plate;26, adjusting rod;27, limiting block;3, reinforcing mechanism;31, tooth plate;32, limiting plate;33, reinforcing threaded rod;34, fixed nut;35, reinforcing frame;36, fixed frame;37, extrusion plate;38, moving plate;39, damper;310, spring;311, extrusion block. DETAILED DESCRIPTION

[0028] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Please refer to Figures 1-5 The present application provides a technical scheme: comprising hydraulic cylinder equipment 1, characterized by: the outer wall of hydraulic cylinder equipment 1 is provided with adjusting mechanism 2, the outer wall of adjusting mechanism 2 is provided with reinforcing mechanism 3;

[0030] The reinforcing mechanism 3 comprises an extrusion part and a fixed part;

[0031] The adjusting mechanism 2 comprises a connecting sleeve 21 and an adjusting rod 26;

[0032] The extrusion part comprises a tooth plate 31 and an extrusion block 311, and the fixed part comprises a reinforcing frame 35 and a limiting plate 32;

[0033] The inner side surface of the connecting sleeve 21 is in sliding connection with the outer wall of the adjusting rod 26, the inner side surface of the adjusting rod 26 is in fixed connection with the outer wall of the tooth plate 31, the outer wall of the connecting sleeve 21 is fixedly provided with a fixed frame 36, the outer wall of the fixed frame 36 is slidingly penetrated by a moving plate 38 extending to the inner side of the reinforcing frame 35, the top surface of the moving plate 38 is in fixed connection with the bottom surface of the extrusion block 311, the outer wall of the extrusion block 311 is in meshing with the tooth surface of the tooth plate 31, the inner side surface of the fixed frame 36 is fixedly provided with a spring 310 and a damper 39, the outer wall of the moving plate 38 is fixedly provided with an extrusion plate 37, the top surfaces of the spring 310 and the damper 39 are both in fixed connection with the bottom surface of the extrusion plate 37, the initial state of the spring 310 is an extended state, the outer wall of the fixed frame 36 is in fixed connection with the outer wall of the limiting plate 32, the outer wall of the limiting plate 32 extends through the inner side of the reinforcing frame 35 to the outer side of the reinforcing frame 35, the inner side surface of the reinforcing frame 35 is in sliding connection with the bottom surface of the moving plate 38, the outer wall of the fixed frame 36 is rotationally provided with a reinforcing threaded rod 33 through a bearing seat two, one side surface of the reinforcing threaded rod 33 close to the reinforcing frame 35 extends through the inner side surface of the reinforcing frame 35 to the outer side of the reinforcing frame 35, the outer wall of the reinforcing frame 35 is fixedly provided with a fixed nut 34, the inner side surface of the fixed nut 34 is in threaded connection with the outer wall of the reinforcing threaded rod 33;

[0034] The outer wall of the adjusting rod 26 is fixedly provided with a connecting plate 25, one side of the connecting plate 25 close to the connecting sleeve 21 is fixedly provided with an adjusting screw rod 22, the outer wall of the adjusting screw rod 22 is sleeved with a mounting seat 24, the outer wall of the mounting seat 24 is fixedly connected with the outer wall of the connecting sleeve 21, the outer wall of the mounting seat 24 is rotatably provided with a control nut 23 through a bearing seat, the inner side of the control nut 23 is threadedly connected with the outer wall of the adjusting screw rod 22, the inner side of the connecting sleeve 21 is provided with two limiting grooves, and the outer wall of the two limiting blocks 27 is slidably connected with the inner wall of the two limiting grooves.

[0035] In use, when the stroke of the hydraulic cylinder device 1 needs to be adjusted, only the control nut 23 needs to be manually rotated, and the connecting plate 25 can be moved through the adjusting screw rod 22 when the control nut 23 is rotated, so that the stroke of the hydraulic cylinder device 1 can be adjusted.

[0036] After the adjustment is completed, the extrusion block 311 can be engaged with the tooth surface of the tooth plate 31 through the spring 310 and the damper 39, and the adjusting rod 26 can be reinforced after the engagement, so that the stability thereof can be improved, at this time, the reinforcing screw rod 33 is rotated, the reinforcing frame 35 can be moved through the fixed nut 34 when the reinforcing screw rod 33 is rotated, and the extrusion block 311 can be secondarily reinforced after the reinforcing frame 35 moves below the moving plate 38, so that the extrusion block 311 is more stable when being engaged with the tooth plate 31.

[0037] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or device that includes a list of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent in such a process, method, article, or device. Without more limitations, the element defined by the statement "comprises a" does not exclude the presence of additional identical elements in the process, method, article, or device that includes the element.

[0038] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A telescopic hydraulic cylinder with easy stroke adjustment, comprising a hydraulic cylinder device (1), characterized in that: The hydraulic cylinder equipment (1) outer wall is provided with adjusting mechanism (2), adjusting mechanism (2) outer wall is provided with reinforcing mechanism (3); The reinforcing mechanism (3) comprises an extrusion part and a fixed part; The adjusting mechanism (2) comprises a connecting sleeve (21) and an adjusting rod (26); The extrusion part comprises a tooth plate (31) and an extrusion block (311), and the fixed part comprises a reinforcing frame (35) and a limiting plate (32); The connecting sleeve (21) is slidably connected with the outer wall of the adjusting rod (26), the inner side of the connecting sleeve (21) is fixedly connected with the outer wall of the adjusting rod (26), the outer wall of the connecting sleeve (21) is fixedly provided with a fixed frame (36), the outer wall of the fixed frame (36) is slidably penetrated by a moving plate (38) extending into the inner side of the reinforcing frame (35), the top surface of the moving plate (38) is fixedly connected with the bottom surface of the extrusion block (311), and the outer wall of the extrusion block (311) is meshed with the tooth surface of the tooth plate (31).

2. The telescopic hydraulic cylinder with easy stroke adjustment according to claim 1, characterized in that: The outer wall of the adjusting rod (26) is fixedly provided with a connecting plate (25), one side of the connecting plate (25) close to the connecting sleeve (21) is fixedly provided with an adjusting threaded rod (22), the outer wall of the adjusting threaded rod (22) is sleeved with a mounting seat (24), the outer wall of the mounting seat (24) is fixedly connected with the outer wall of the connecting sleeve (21), the outer wall of the mounting seat (24) is rotatably provided with a control nut (23) through a bearing seat, and the inner side of the control nut (23) is threadedly connected with the outer wall of the adjusting threaded rod (22).

3. The telescopic hydraulic cylinder with easy stroke adjustment according to claim 1, characterized in that: The inner side of the fixed frame (36) is fixedly provided with a spring (310) and a damper (39), and the outer wall of the moving plate (38) is fixedly provided with an extrusion plate (37). The top surfaces of the spring (310) and the damper (39) are fixedly connected with the bottom surface of the extrusion plate (37), and the initial state of the spring (310) is an extended state.

4. The telescopic hydraulic ram with easy stroke adjustment according to claim 1, characterized in that: The outer wall of the fixed frame (36) is fixedly connected with the outer wall of the limiting plate (32), the outer wall of the limiting plate (32) extends through the inner side of the reinforcing frame (35) to the outer side of the reinforcing frame (35), and the inner side of the reinforcing frame (35) is slidably connected with the bottom surface of the moving plate (38).

5. The telescopic hydraulic ram with easy stroke adjustment according to claim 4, characterized in that: The outer wall of the fixed frame (36) is rotatably provided with a reinforcing threaded rod (33) through a bearing seat two, one side of the reinforcing threaded rod (33) close to the reinforcing frame (35) extends through the inner side of the reinforcing frame (35) to the outer side of the reinforcing frame (35), and the outer wall of the reinforcing frame (35) is fixedly provided with a fixed nut (34). The inner side of the fixed nut (34) is threadedly connected with the outer wall of the reinforcing threaded rod (33).

6. The telescopic hydraulic ram with easy stroke adjustment according to claim 2, characterized in that: Two limiting grooves are formed in the inner side of the connecting sleeve (21), and two limiting blocks (27) are fixedly arranged on the outer wall of the adjusting rod (26). The outer walls of the two limiting blocks (27) are slidably connected with the inner walls of the two limiting grooves, respectively.

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