CN219622995U - Vertical heavy blocking cylinder - Google Patents

Abstract

The utility model relates to the technical field of automatic production, in particular to a vertical heavy blocking cylinder which comprises a lever mechanism, a lifting mechanism and a lifting mechanism, wherein the lever mechanism comprises a lever and a mounting seat; the cylinder assembly comprises a piston rod and a hydraulic buffer, the piston rod is coaxially connected to the hydraulic buffer, the hydraulic buffer is connected to the mounting seat, and the output end of the hydraulic buffer can be abutted to the lever; the self-locking mechanism comprises a self-locking shaft, a self-locking pin and a self-locking hook, wherein the self-locking shaft is rotatably connected to the mounting seat, the self-locking pin is arranged on the lever, and the self-locking hook is arranged on the self-locking shaft. According to the utility model, the mounting seat is ejected out by the hydraulic buffer, the impact energy is transmitted to the piston rod by the rotation of the lever, the impact energy of a moving load is stably absorbed after the pressure is released in the hydraulic buffer, and when the mounting seat is attached to the end face of the hydraulic buffer, the self-locking mechanism fixes the position of the lever to prevent the rebound of the moving load; after ventilation, the piston rod retracts to drive the lever to press down, the self-locking mechanism is unlocked, and the moving load passes through.

Description

Vertical heavy blocking cylinder

Technical Field

The utility model relates to the technical field of positioning and assembling of automatic production lines, in particular to a vertical heavy blocking cylinder.

Background

The blocking cylinder is mainly used for stopping the tray on the production line, and is also called a stop cylinder, and the working stroke of the stop cylinder is fixed, so the stop cylinder is also called a stop rod cylinder. The cylinder structure is that the cylinder adds the spring, is in blocking state under the effect of spring when not breathing, goes into the cylinder through travel switch control gas, and the cylinder descends at this moment, releases to block, and travel switch opens, and the cylinder is rebound under the effect of spring and is blocked the state.

In the fields of positioning, assembly and the like of an automatic production line, a plurality of production stations are required to be transformed, the existing mechanical blocking structure of a blocking cylinder cannot bear larger impact, so that moving loads are difficult to position, for example, the blocking cylinder obtains reaction force to the loads by further compressing air, when the moving loads are handled, the inner cavity volume of a cylinder barrel is reduced, gaps of gas molecules in the air are also reduced rapidly, and further larger reaction force is generated to rebound the loads, but a good positioning effect cannot be achieved.

The hydraulic buffer of the direct device also cannot play a role in positioning, the service life cannot be guaranteed, and the hydraulic buffer is greatly limited in use. Moreover, the blocking mechanism has no definite data or marks on bearable load and load speed, the blocking mechanism on the same working section on the terminal site needs to be debugged one by one until the use condition is met, and the overload use is easily caused due to the lack of the regulation marks, so that the product is damaged, and the moving load is difficult to position.

Therefore, in the positioning and assembling process of the automated production line, there is a technical problem that it is difficult to position the moving load.

Disclosure of Invention

The utility model provides a vertical heavy blocking cylinder, which aims to solve or partially solve the technical problem that a movable load is difficult to position in the positioning and assembly processes of an automatic production line.

The utility model provides a vertical heavy blocking cylinder which adopts the following technical scheme:

a vertical heavy blocking cylinder, comprising a lever mechanism for changing the direction of horizontal impact energy generated by a moving load, wherein the lever mechanism comprises a lever and a mounting seat, and the lever is mounted on the mounting seat;

the cylinder assembly comprises a piston rod and a hydraulic buffer, the piston rod is coaxially connected with the hydraulic buffer, the hydraulic buffer is connected to the mounting seat, and the output end of the hydraulic buffer can be abutted to the lever;

the self-locking mechanism comprises a self-locking shaft, a self-locking pin and a self-locking hook, wherein the self-locking shaft is rotatably connected to the mounting seat, the self-locking pin is arranged on the lever, the self-locking hook is arranged on the self-locking shaft, and the self-locking hook can be clamped to the self-locking pin so as to limit the lever mechanism.

By adopting the technical scheme, the mounting seat is ejected out by the hydraulic buffer, the impact energy is transmitted to the piston rod by the rotation of the lever, the impact energy of the moving load is stably absorbed after the pressure is released in the hydraulic buffer, and when the mounting seat is attached to the end face of the hydraulic buffer, the self-locking mechanism fixes the position of the lever and prevents the rebound of the moving load; after ventilation, the piston rod is retracted to drive the lever to press down, the self-locking mechanism is unlocked, the moving load passes through and reaches the next station, and the stop positioning and releasing functions of the moving load are realized.

Optionally, an adjusting rod is arranged at one end of the hydraulic buffer, a process hole is formed at one end of the piston rod, and the adjusting rod is inserted into the process hole.

By adopting the technical scheme, the adjusting rod is matched with the process hole in an inserting way, so that the hydraulic buffer can conveniently absorb the impact energy of the moving load to adjust.

Optionally, the hydraulic buffer is close to the terminal surface of mount pad is provided with the mark point, be provided with the mark piece on the mount pad, the mark point with the cooperation of mark piece is used for adjusting hydraulic buffer's gear.

Through adopting above-mentioned technical scheme, through the cooperation of mark point and mark piece, can rotate hydraulic buffer with the mark point and adjust corresponding mark piece according to experimental data, wherein experimental data is the reference value that sets for according to the test condition, can adjust hydraulic buffer to corresponding gear according to this reference value, realize the visualization that hydraulic buffer gear was adjusted for under same operating mode, only need adjust a product to suitable gear, other products can directly rotate to corresponding gear use, save the debugging time and effectively protect the life-span of field device and product.

Optionally, the self-locking shaft comprises a self-locking supporting portion, the self-locking supporting portion is provided with a positioning column, and the positioning column penetrates through the self-locking supporting portion to be fixed on the mounting seat.

By adopting the technical scheme, the positioning column is arranged to facilitate the rotation of the self-locking shaft, so that the braking positioning and releasing functions of the lever are realized.

Optionally, the second torsion spring is sleeved on the positioning column, and is located between the mounting seat and the self-locking supporting portion, and the second torsion spring is provided with a limiting hook, and the limiting hook can be clamped with the edge of the self-locking shaft so that the self-locking shaft rebounds.

Through adopting above-mentioned technical scheme, limit hook can with the marginal joint of auto-lock axle, when vertical heavy blocking cylinder was in release state, limit hook and second torsion spring took place elastic deformation to produce resilience force to the auto-lock axle, and then make vertical heavy blocking cylinder change to blocking state from release state.

Optionally, the self-locking mechanism further comprises a positioning pin, the positioning pin is arranged on the mounting seat, and the self-locking shaft and the positioning pin are mutually matched so as to limit the rotation angle of the self-locking shaft.

Through adopting above-mentioned technical scheme, when lever mechanism is in the state of blockking, can carry out spacingly to the auto-lock axle through the locating pin, effectively avoid auto-lock axle pivoted angle too big, and then reduce and block the effect.

Optionally, the one end of piston rod is provided with the protecgulum, hydraulic buffer wears out the protecgulum, the terminal surface of protecgulum is provided with the guide bar, the guide bar is followed the piston rod direction of motion sets up, the mount pad is provided with the installation knot, the installation knot with the guide bar cooperation of sliding.

By adopting the technical scheme, the installation buckle is matched with the guide rod, so that the self-locking mechanism moves along the movement direction of the piston rod and plays a guiding role on the self-locking mechanism.

Optionally, a dustproof sealing ring is arranged outside the piston rod, and the dustproof sealing ring is enclosed between the piston rod and the front cover.

Through adopting above-mentioned technical scheme, the setting of dustproof sealing washer reduces debris and gets into in the piston rod, keeps cylinder assembly's cleanness.

Optionally, the self-locking shaft further comprises a self-locking power part, the self-locking power part is provided with an unlocking roller, the unlocking roller is connected to the self-locking shaft, and the unlocking roller can be in contact with the front cover.

By adopting the technical scheme, when the piston rod drives the lever mechanism to press down, the unlocking roller and the front cover roll and rub, so that the abrasion of the self-locking mechanism to the front cover is reduced, and the service life of parts is prolonged. At the same time, the self-locking hook disengages the self-locking pin and the lever is ejected by the hydraulic buffer, causing the moving load to pass and reach the next station.

Optionally, the lever includes the blocking part, the second round pin axle is worn to be equipped with by the blocking part, the both ends of second round pin axle wear out in the blocking part, and, load gyro wheel is installed at the both ends of second round pin axle, the axle center of load gyro wheel with the axle center direction of second round pin axle is unanimous.

Through adopting above-mentioned technical scheme, when vertical heavy blocking cylinder is in release state, the setting of load gyro wheel is convenient for transmit the removal load to, reduce the impact force of removal load to the load gyro wheel.

In summary, the present utility model includes at least one of the following beneficial technical effects:

the mounting seat is ejected by the hydraulic buffer, the impact energy is transmitted to the piston rod by the rotation of the lever, the impact energy of the moving load is stably absorbed after the pressure is released in the hydraulic buffer, and when the mounting seat is attached to the end face of the hydraulic buffer, the self-locking mechanism fixes the position of the lever to prevent the rebound of the moving load; after ventilation, the piston rod is retracted to drive the lever to press down, the self-locking mechanism is unlocked, the moving load passes through and reaches the next station, and the stop positioning and releasing functions of the moving load are realized;

through the cooperation of the marking points and the marking blocks, the hydraulic buffer can be rotated according to experimental data to adjust the marking points corresponding to the marking blocks, wherein the experimental data is a reference value set according to test conditions, the hydraulic buffer can be adjusted to a corresponding gear according to the reference value, and the visualization of gear adjustment of the hydraulic buffer is realized, so that under the same working condition, only one product needs to be adjusted to a proper gear, other products can be directly rotated to the corresponding gear for use, the debugging time is saved, and the service lives of field equipment and the product are effectively protected;

when the piston rod drives the lever mechanism to press down, the unlocking roller and the front cover are in rolling friction, so that the abrasion of the self-locking mechanism to the front cover is reduced. At the same time, the self-locking hook disengages the self-locking pin and the lever is ejected by the hydraulic buffer, causing the moving load to pass and reach the next station.

Drawings

Fig. 1 shows a schematic overall structure of a vertical heavy-duty blocking cylinder according to an embodiment of the present utility model.

Fig. 2 shows a schematic A-A structure of fig. 1.

Fig. 3 shows a schematic diagram of a cylinder assembly of a vertical heavy blocking cylinder according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a lever mechanism; 11. a mounting base; 111. marking the block; 112. installing a buckle; 113. a pin fixing hole; 114. an inner hexagon screw; 12. a lever; 12a, a rotating part; 12b, a power part; 12c, a blocking part; 121. a first pin hole; 122. a second pin hole; 123. a second pin; 124. a load roller; 13. a first pin; 131. a first shaft retainer ring; 132. a first gasket; 14. a first torsion spring;

2. a self-locking mechanism; 21. a self-locking shaft; 21a, a self-locking support; 21b, a self-locking power part; 211. positioning columns; 212. a second torsion spring; 213. a second gasket; 214. a limit hook; 215. unlocking the roller; 22. self-locking hook; 23. a self-locking pin; 24. a positioning pin;

3. a cylinder assembly; 31. a piston rod; 311. a front cover; 312. a round hole; 313. a guide rod; 314. a dust-proof sealing ring; 315. a process hole; 32. a hydraulic buffer; 321. an adjusting rod; 322. a knurling ring; 323. the points are marked.

Description of the embodiments

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 3 in the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. The connection relationships shown in the drawings are for convenience of clarity of description only and are not limiting on the manner of connection.

Unless defined otherwise, technical or scientific terms used herein should be defined as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. "up", "down", "left", "right" and the like are used only to indicate the corresponding positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.

The embodiment of the utility model discloses a vertical heavy blocking cylinder.

The embodiment of the utility model discloses a vertical heavy blocking cylinder. Referring to fig. 1, the vertical heavy duty blocking cylinder comprises a lever mechanism 1, a self-locking mechanism 2 and a cylinder assembly 3. The cylinder assembly 3 provides power for the self-locking mechanism 2 and the lever mechanism 1, so that the self-locking mechanism 2 limits the lever mechanism 1, and the moving load is in a blocked or released state through the lever mechanism 1.

Specifically, the lever mechanism 1 is used to change the direction of horizontal impact energy generated by a moving load. The lever mechanism 1 includes a mount 11 and a lever 12, the lever 12 is mounted on the mount 11 to support the lever 12, and the lever 12 is engaged with the mount 11 to convert horizontal impact energy generated by a moving load into energy nearly parallel to the moving direction of the cylinder assembly 3, thereby reducing the lateral force of the cylinder assembly 3.

Referring to fig. 2, the lever mechanism 1 further includes a first pin 13 and a first torsion spring 14, the first torsion spring 14 is sleeved on the first pin 13, and the lever 12 is connected with the mounting seat 11 through the first pin 13, so that the mounting seat 11 supports the lever 12, and the lever 12 and the first pin 13 cooperate to realize rotation so as to complete blocking and releasing work on a moving load.

Specifically, referring to fig. 1 and 2, the lever 12 includes a rotating portion 12a. The rotating part 12a is provided with a first pin hole 121, the mounting seat 11 is provided with a pin fixing hole 113, the first pin 13 penetrates through the first pin hole 121, two ends of the first pin 13 penetrate through the pin fixing hole 113, the first torsion spring 14 is sleeved on the first pin 13, so that the mounting seat 11 plays a supporting role on the lever 12, and the lever 12 can rotate to change the direction of the moving load on impact energy of the lever mechanism 1.

Further, referring to fig. 1 and 2, the first shaft retainer 131 is disposed around the first pin 13, and the first shaft retainer 131 is disposed between the first pin 13 and the inner wall of the first pin hole 121, so that the first shaft retainer 131 can buffer the first pin 13, and wear between the first pin 13 and the lever 12 is reduced.

Further, the first pin shaft 13 is provided with a first spacer 132 in a penetrating manner, the first spacer 132 is disposed outside the rotating portion 12a, and the first spacer 132 is located between the first pin shaft 13 and the rotating portion 12a, so that the first spacer 132 plays a role in limiting the lever 12, and a falling phenomenon between the lever 12 and the mounting seat 11 is prevented.

Referring to fig. 1, the lever 12 further includes a power portion 12b, the power portion 12b is disposed on one side of the rotating portion 12a, and the power portion 12b and the rotating portion 12a may be integrally formed, or may be connected by welding or other manners. Specifically, the power portion 12b and the cylinder assembly 3 may abut against each other, and kinetic energy is provided to the power portion 12b by the cylinder assembly 3, so that the power portion 12b has kinetic energy, and then under the combined action of the rotating portion 12a and the power portion 12b, the power portion 12b converts the kinetic energy into potential energy, and the lever 12 rotates, so as to change the direction of the impact energy of the moving load on the lever mechanism 1.

The lever 12 further includes a blocking portion 12c, where the blocking portion 12c is disposed on a side of the rotating portion 12a away from the power portion 12b, and the blocking portion 12c, the rotating portion 12a, and the power portion 12b may be integrally formed or welded. The moving load can be resisted by the blocking portion 12c so that the moving load is suspended from moving.

Further, referring to fig. 1, the blocking portion 12c is provided with a second pin hole 122, the blocking portion 12c is provided with a second pin 123 in a penetrating manner, two ends of the second pin 123 pass through the second pin hole 122, and two ends of the second pin 123 are provided with load rollers 124, the axle center of the load rollers 124 is consistent with the axle center direction of the second pin 123, and when the vertical heavy blocking cylinder is in a release state, the moving load is convenient to transmit.

Referring to fig. 2, the self-locking mechanism 2 is disposed on the mounting seat 11 and is used for limiting the lever 12, so that the lever mechanism 1 is in a blocking state to block the moving load.

Specifically, the self-locking mechanism 2 comprises a self-locking shaft 21, a self-locking hook 22 and a self-locking pin 23, wherein the self-locking hook 22 can be made of high-strength materials for hardening treatment, so that the wear resistance of the self-locking hook 22 is improved, and the problem that the positioning performance is gradually weakened due to abrasion in the use process is solved. The self-locking shaft 21 is rotatably connected to the mounting base 11. The self-locking hook 22 is arranged at one end of the self-locking shaft 21, the self-locking pin 23 is fixed on the power part 12b of the lever 12, and the self-locking shaft 21 rotates, so that the self-locking hook 22 is clamped with the self-locking pin 23, and the lever mechanism 1 is in a blocking state so as to block a moving load.

Specifically, referring to fig. 2, the self-locking shaft 21 further includes a self-locking support portion 21a for connecting the self-locking mechanism 2 with the mount 11. The self-locking support portion 21a is provided with a positioning column 211, the positioning column 211 passes through a positioning hole (not shown in the figure) of the self-locking support portion 21a to be fixed on the mounting seat 11, a second torsion spring 212 is sleeved on the positioning column 211, and the second torsion spring 212 is located between the mounting seat 11 and the self-locking support portion 21 a.

Further, the second torsion spring 212 is integrally formed with a limiting hook 214, the limiting hook 214 can be clamped with the edge of the self-locking shaft 21, and when the vertical heavy blocking cylinder is in a release state, the limiting hook 214 and the second torsion spring 212 elastically deform to generate resilience force to the self-locking shaft 21, so that the vertical heavy blocking cylinder is converted into a blocking state from the release state.

Further, the positioning column 211 is sleeved with a second gasket 213, the second gasket 213 is disposed on one side of the self-locking support portion 21a away from the mounting seat 11, and the radius of the second gasket 213 is larger than that of the positioning column 211, so that the second gasket 213 plays a limiting role on the self-locking shaft 21, and the self-locking shaft 21 is prevented from being separated from the mounting seat 11.

Specifically, the self-locking shaft 21 further includes a self-locking power portion 21b for providing power for the self-locking shaft 21, so that the self-locking shaft 21 rotates, and the self-locking hook 22 is clamped with the self-locking pin 23, so that the lever mechanism 1 is in a blocking state to block the moving load.

Referring to fig. 2, the self-locking mechanism 2 further includes a positioning pin 24, the positioning pin 24 is disposed on the mounting seat 11, and the self-locking shaft 21 is matched with the positioning pin 24. When the lever mechanism 1 is in a blocking state, the self-locking shaft 21 can be limited through the positioning pin 24, so that the blocking effect is effectively prevented from being reduced due to the overlarge rotating angle of the self-locking shaft 21.

Referring to fig. 2, in some embodiments, the cylinder assembly 3 is coupled to the mount 11 for providing kinetic energy to the mount 11.

Specifically, referring to fig. 2 and 3, the cylinder assembly 3 includes a piston rod 31 and a hydraulic damper 32, the piston rod 31 is coaxially connected to the hydraulic damper 32, the hydraulic damper 32 is connected to the mounting seat 11, and an output end of the hydraulic damper 32 and the power portion 12b of the lever 12 can abut against each other. The lever mechanism 1 is pushed down by the piston rod 31 and the lever 12 is ejected by the hydraulic buffer 32 so that the moving load passes through and reaches the next station. Or, the lever mechanism 1 is driven to move upwards by the piston rod 31, so that the moving load is blocked by the lever mechanism 1 to stop moving.

Specifically, referring to fig. 1 and 3, a front cover 311 is disposed at one end of a piston rod 31, a round hole 312 is formed in the front cover 311, a hydraulic buffer 32 penetrates out of the front cover 311 through the round hole 312, a guide rod 313 is disposed at an end surface of the front cover 311, the guide rod 313 is disposed along a moving direction of the piston rod 31, a mounting seat 11 is provided with a mounting buckle 112, the mounting buckle 112 and the guide rod 313 are mutually matched, so that the self-locking mechanism 2 moves along the moving direction of the piston rod 31, and a small amount of transverse load on the piston rod 31 can be borne by matching the mounting buckle 112 and the guide rod 313, so that a buckling amount when the piston rod 31 stretches out is reduced, and the service life of the cylinder is prolonged.

Further, referring to fig. 2 and 3, the front cover 311 is provided with a right end opening 311a and a left end opening 311b, when the right end opening 311a is ventilated, the piston rod 31 extends, the lever 12 is ejected out to reach a predetermined position by the spring force of the hydraulic buffer 32, the moving load is impacted onto the lever 12, under the gravity and inertia action of the moving load, the lever 12 rotates to transfer the impact energy to the piston rod 31, the impact energy of the moving load is stably absorbed after the pressure is released inside the hydraulic buffer 32, and when the mounting seat 11 is attached to the end face of the hydraulic buffer 32, the self-locking mechanism 2 fixes the position of the lever 12 to prevent the moving load from rebounding; when the left end is connected with the port 311b and the piston rod 31 is retracted, the lever 12 is driven to be pressed down, the self-locking hook 22 is gradually opened when the unlocking roller 215 contacts the front cover 311, the lever 12 is ejected out under the action of the spring force of the hydraulic buffer 32, and the load is moved to pass through and reach the next station.

In some embodiments, referring to fig. 1 and 3, a dust seal 314 is disposed outside the piston rod 31, the dust seal 314 is disposed between the piston rod 31 and the front cover 311 to reduce foreign matters from entering the cylinder, keep the cylinder assembly 3 clean, and prevent air leakage from the piston rod 31.

Referring to fig. 3, an adjusting rod 321 is disposed at one end of the hydraulic buffer 32, a process hole 315 is disposed at one end of the piston rod 31, and the adjusting rod 321 is inserted into the process hole 315, so as to adjust the impact energy of the hydraulic buffer 32 for absorbing the moving load, and determine the initial position of the hydraulic buffer 32 after being installed, thereby reducing the debugging times of the vertical heavy blocking cylinder.

Specifically, referring to fig. 1 and 3, a knurled ring 322 is provided at an end of the hydraulic damper 32 near the lever mechanism 1 for rotationally adjusting the gear position of the hydraulic damper 32. The end face that hydraulic buffer 32 is close to mount pad 11 is provided with mark point 323, is provided with mark piece 111 on the mount pad 11, and wherein, mark piece 111 interval is provided with a plurality of to one side that mount pad 11 is close to self-locking mechanism 2 is provided with the biggest adjustment sign (not shown in the figure), can carry out rotation adjustment with mark point 323 corresponding to mark piece 111 through rotating the ring of rolling 322 according to experimental data, and wherein experimental data is the reference value that sets for according to the test condition, can adjust hydraulic buffer 32 to corresponding gear according to this reference value, realizes the visualization that hydraulic buffer 32 gear was adjusted.

Further, at least two socket head cap screws 114 are disposed at the side ends of the mounting seat 11, and the socket head cap screws 114 are abutted against the side ends of the hydraulic buffer 32, so as to fix the mounting seat 11 on the hydraulic buffer 32 and prevent relative displacement between the mounting seat 11 and the hydraulic buffer 32.

In some embodiments, referring to fig. 2, the self-locking power portion 21b of the self-locking shaft 21 is provided with an unlocking roller 215 for reducing wear of the front cover 311 by the self-locking mechanism 2, wherein the unlocking roller 215 is riveted with the self-locking shaft 21. When the piston rod 31 drives the lever mechanism 1 to press down, the unlocking roller 215 and the front cover 311 are in rolling friction, at this time, the self-locking hook 22 gradually releases the self-locking pin 23, and the lever 12 is ejected out by the hydraulic buffer 32, so that the moving load passes through and reaches the next station.

The embodiment of the utility model provides a vertical heavy blocking cylinder, which comprises: a lever mechanism 1, a self-locking mechanism 2 and a cylinder assembly 3. The lever mechanism 1 comprises a lever 12 and a mounting seat 11, wherein the lever 12 is mounted on the mounting seat 11. The self-locking mechanism 2 comprises a self-locking shaft 21, a self-locking pin 23 and a self-locking hook 22, wherein the self-locking shaft 21 is rotatably connected to the mounting seat 11, the self-locking pin 23 is arranged on the lever 12, and the self-locking hook 22 is arranged on the self-locking shaft 21. The cylinder assembly 3 comprises a piston rod 31 and a hydraulic buffer 32, the piston rod 31 is coaxially connected with the hydraulic buffer 32, the hydraulic buffer 32 is connected to the mounting seat 11, and the output end of the hydraulic buffer 32 can be abutted against the lever 12. In the embodiment of the utility model, the right end opening 311a of the front cover 311 is ventilated, the piston rod 31 extends, the lever 12 is ejected out to reach a preset position by the spring force of the hydraulic buffer 32, the moving load is impacted on the lever 12, under the gravity and inertia action of the moving load, the lever 12 rotates to transmit the impact energy to the piston rod 31, the pressure in the hydraulic buffer 32 is released, the impact energy of the moving load is stably absorbed, and when the mounting seat 11 is attached to the end surface of the hydraulic buffer 32, the self-locking mechanism 2 fixes the position of the lever 12 to prevent the moving load from rebounding; the left end of the front cover 311 is connected with the end 311b, the piston rod 31 is retracted, the lever 12 is driven to be pressed down, when the unlocking roller 215 contacts the front cover 311, the self-locking hook 22 is gradually opened, the lever 12 is ejected out under the action of the spring force of the hydraulic buffer 32, the moving load passes through and reaches the next station, and then the stopping, positioning and releasing functions of the moving load are realized.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (10)

1. A vertical heavy duty blocker cylinder comprising:

a lever mechanism (1) for changing the direction of horizontal impact energy generated by a moving load, the lever mechanism (1) comprising a mounting seat (11) and a lever (12), the lever (12) being mounted on the mounting seat (11);

the cylinder assembly (3) comprises a piston rod (31) and a hydraulic buffer (32), the piston rod (31) is coaxially connected with the hydraulic buffer (32), the hydraulic buffer (32) is connected to the mounting seat (11), and the output end of the hydraulic buffer (32) can be abutted to the lever (12);

the self-locking mechanism (2) comprises a self-locking shaft (21), a self-locking pin (23) and a self-locking hook (22), wherein the self-locking shaft (21) is rotatably connected to the mounting seat (11), the self-locking pin (23) is arranged on the lever (12), the self-locking hook (22) is arranged on the self-locking shaft (21), and the self-locking hook (22) can be clamped to the self-locking pin (23) so as to limit the lever mechanism (1).

2. The vertical heavy blocking cylinder according to claim 1, wherein an adjusting rod (321) is arranged at one end of the hydraulic buffer (32), a process hole (315) is formed at one end of the piston rod (31), and the adjusting rod (321) is inserted into the process hole (315).

3. The vertical heavy blocking cylinder according to claim 1, characterized in that a marking point (323) is arranged on the end surface of the hydraulic buffer (32) close to the mounting seat (11), a marking block (111) is arranged on the mounting seat (11), and the marking point (323) is matched with the marking block (111) and used for adjusting the gear of the hydraulic buffer (32).

4. A vertical heavy blocking cylinder according to claim 1, characterized in that the self-locking shaft (21) comprises a self-locking support (21 a), the self-locking support (21 a) being provided with a positioning column (211), the positioning column (211) passing through the self-locking support (21 a) and being fixed on the mounting base (11).

5. The vertical heavy blocking cylinder according to claim 4, wherein the positioning column (211) is sleeved with a second torsion spring (212), the second torsion spring (212) is located between the mounting seat (11) and the self-locking support portion (21 a), the second torsion spring (212) is provided with a limiting hook (214), and the limiting hook (214) can be clamped with the edge of the self-locking shaft (21) so that the self-locking shaft (21) rebounds.

6. A vertical heavy blocking cylinder according to claim 1, characterized in that the self-locking mechanism (2) further comprises a positioning pin (24), the positioning pin (24) is arranged on the mounting seat (11), and the self-locking shaft (21) is mutually matched with the positioning pin (24) so as to limit the rotation angle of the self-locking shaft (21).

7. The vertical heavy blocking cylinder according to claim 1, characterized in that one end of the piston rod (31) is provided with a front cover (311), the hydraulic buffer (32) penetrates out of the front cover (311), the end face of the front cover (311) is provided with a guide rod (313), the guide rod (313) is arranged along the movement direction of the piston rod (31), the mounting seat (11) is provided with a mounting buckle (112), and the mounting buckle (112) is in sliding fit with the guide rod (313).

8. A vertical heavy duty blocking cylinder according to claim 7, characterized in that the outside of the piston rod (31) is provided with a dust seal ring (314), said dust seal ring (314) being enclosed between the piston rod (31) and the front cover (311).

9. The vertical heavy blocking cylinder according to claim 7, characterized in that the self-locking shaft (21) further comprises a self-locking power part (21 b), the self-locking power part (21 b) is provided with an unlocking roller (215), the unlocking roller (215) is connected to the self-locking shaft (21), wherein the unlocking roller (215) can be in contact with the front cover (311).

10. The vertical heavy blocking cylinder according to claim 1, wherein the lever comprises a blocking portion (12 c), a second pin shaft (123) is arranged on the blocking portion (12 c) in a penetrating mode, two ends of the second pin shaft (123) penetrate through the blocking portion (12 c), load rollers (124) are arranged at two ends of the second pin shaft (123), and the axis direction of the load rollers (124) is consistent with that of the second pin shaft (123).