CN111731966A - Hydraulic buffer roller cage shoe - Google Patents
Hydraulic buffer roller cage shoe Download PDFInfo
- Publication number
- CN111731966A CN111731966A CN202010644074.4A CN202010644074A CN111731966A CN 111731966 A CN111731966 A CN 111731966A CN 202010644074 A CN202010644074 A CN 202010644074A CN 111731966 A CN111731966 A CN 111731966A
- Authority
- CN
- China
- Prior art keywords
- cavity
- piston
- cylinder
- sliding sleeve
- roller cage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
Abstract
The invention relates to a guide and buffer device for a mine hoisting container, in particular to a hydraulic buffer roller cage shoe which mainly comprises a roller, a bracket, a base and a buffer oil cylinder, wherein a double-cavity structure is adopted in the buffer oil cylinder, an A cavity is formed by a piston and an inner sleeve, a B cavity is formed by the piston, a sliding sleeve and a cylinder cover, the A cavity and the B cavity are communicated by a piston groove, and when the roller is impacted, the piston moves downwards to compress oil in the A cavity to enter the B cavity, so that the buffer is realized.
Description
Technical Field
The invention relates to a guiding and buffering device for a mine hoisting container, in particular to a hydraulic buffering roller cage shoe, which can slow down or eliminate the swing when the hoisting container swings transversely in the hoisting process and impacts a cage guide, so that the hoisting container can run stably, the running safety of the hoisting container is guaranteed, and the hydraulic buffering roller cage shoe is widely applied to a hoisting system of a coal mine metallurgical mine and belongs to the field of mining machinery.
Background
At present, in the coal mine metallurgical mine industry, in order to eliminate the swing of a lifting container in the operation process, a roller cage shoe is often installed on the lifting container, a spring or rubber or an oil cylinder is adopted as a buffer piece, and a hydraulic roller cage shoe (such as a hydraulic self-adaptive roller cage shoe ZL 201920753785.8 and a hydraulic buffer roller cage shoe CN201711147453.7) is a great progress on a spring roller cage shoe product.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a hydraulic buffer roller cage shoe which mainly comprises a roller, a bracket, a base and a buffer oil cylinder, wherein a double-cavity structure is adopted in the buffer oil cylinder, a cavity A is formed by a piston and an inner sleeve, a cavity B is formed by the piston, a sliding sleeve and a cylinder cover, the cavity A and the cavity B are communicated by a piston groove, and when the roller is impacted, the piston moves downwards to compress oil in the cavity A to enter the cavity B, so that the buffer is realized.
The invention is realized by the following technical scheme: the utility model provides a hydraulic buffer roller cage shoe, characterized by: the buffer oil cylinder comprises a cylinder barrel, wherein the inner ring surface of the cylinder barrel is tightly attached to the outer surface of a sliding sleeve, an upper spring is arranged on the sliding sleeve and fixed on a cylinder cover, a lower spring is arranged below the sliding sleeve and fixed on a cylinder base, the inner surface of the sliding sleeve is tightly attached to the outer surface of an inner sleeve, the inner sleeve is fixed on the cylinder base, an oil hole is formed in the cylinder base, the inner surface of the inner sleeve is tightly attached to a piston, the bottom surface of the piston, the inner surface of the inner sleeve and the cylinder base form a cavity A, the piston, the inner sleeve, the sliding sleeve, the cylinder barrel and a cylinder.
The piston groove adopts a variable cross-section V-shaped groove.
And the upper spring, the sliding sleeve, the lower spring, the piston and the hydraulic oil in the cavity A and the cavity B form a cage guide deformation adaptive system.
The invention has the beneficial effects that: this hydraulic buffer roller cage shoe simple structure is compact, required part is few, easy manufacturing, easily realize batch standardization production, greatly reduced manufacturing cost, the size of buffer power depends on the sectional area of piston groove, the buffer power is from dozens of kilograms to several tons all very easy designs, can do the bolster very little, no longer worry the restriction that promotes the container and arrange the space, under the condition that the cage guide warp, also can adapt to the cage guide and change and hug closely the cage guide, change the inside two-chamber buffering of single-cylinder into from the buffering of double-cylinder and intercommunication pipe-line system, be a simplification to hydraulic buffer roller cage shoe, can reach the buffering effect of current hydraulic buffer roller cage shoe equally.
Drawings
The invention is described in further detail below with reference to the following figures and examples:
FIG. 1 is a schematic structural diagram of the present invention:
in fig. 1: 1. the device comprises a roller 2, a wheel shaft 3, a support 4, a rotating shaft 5, a base 6, an upper pin shaft 7, a piston 8, a cylinder cover 9, an upper spring 10, a piston groove 11, a cylinder barrel 12, an inner sleeve 13, a sliding sleeve 14, a lower spring 15, a cylinder seat 16, a one-way valve 17, a lower pin shaft 18, a buffer oil cylinder 19, a cavity A20 and a cavity B.
Detailed Description
As shown in fig. 1: a roller 1 is connected with a support 3 through a wheel shaft 2, the support 3 is connected with a base 5 through a rotating shaft 4, the base 5 is connected with a cylinder seat 15 through a lower pin shaft 17, and the support 3 is connected with a piston 7 through an upper pin shaft 6.
The inner ring surface of the cylinder barrel 11 is tightly attached to the sliding sleeve 13, the upper part of the sliding sleeve 13 is provided with an upper spring 9, the upper spring 9 is fixed on the cylinder cover 8, the lower spring 14 is arranged below the sliding sleeve 13, the inner surface of the sliding sleeve 13 is tightly attached to the inner sleeve 12, the inner sleeve 12 is fixed on the cylinder seat 15, the cylinder seat 15 is provided with an oil hole, the tail end of the oil hole is provided with a one-way valve 16, the inner surface of the inner sleeve 12 is tightly attached to the piston 7, the bottom surface of the piston 7, the inner surface of the inner sleeve 12 and the cylinder seat 15 form a cavity A19, the piston 7, the inner sleeve 12, the sliding sleeve 13 and.
The piston groove 10 adopts a V-shaped groove with a variable cross section.
The hydraulic oil of the upper spring 9, the sliding sleeve 13, the lower spring 14, the piston 7 and the cavity A19 and the cavity B20 form a cage guide deformation adaptive system.
The working process is as follows: hydraulic oil is injected into the first cavity 19 through the check valve 16, the hydraulic oil enters the second cavity 20 through the piston groove 10, the sliding sleeve 13 moves downwards, the first cavity 19 and the second cavity 20 are full of oil, the roller 1 is in a working state, the check valve 16 is closed, the lifting container is lifted in the operation process, the roller 1 is impacted, the force applied to the roller 1 enables the support 3 to rotate around the rotating shaft 4 through the wheel shaft 2, the support 3 transmits the force to the piston 7 through the upper pin shaft 6, the piston 7 moves downwards, the first cavity 19 oil is compressed and enters the second cavity 20 through the piston groove 10, buffering is achieved in the process, the second cavity 20 oil pushes the sliding sleeve 13 to slide downwards, the lower spring 14 is compressed, after the buffering process is stopped, the lower spring 14 pushes the sliding sleeve 13 to move upwards, the second cavity 20 oil flows backwards, the piston 7 returns to the initial.
Claims (3)
1. The utility model provides a hydraulic buffer roller cage shoe, characterized by: the buffer oil cylinder (18) comprises a cylinder barrel (11), the inner ring surface of the cylinder barrel (11) is tightly attached to the outer surface of a sliding sleeve (13), an upper spring (9) is arranged on the sliding sleeve (13), the upper spring (9) is fixed on a cylinder cover (8), a lower spring (14) is arranged below the sliding sleeve (13), the lower spring (14) is fixed on a cylinder base (15), the inner surface of the sliding sleeve (13) is tightly attached to the outer surface of an inner sleeve (12), the inner sleeve (12) is fixed on the cylinder base (15), an oil hole is formed in the cylinder base (15), the inner surface of the inner sleeve (12) is tightly attached to a piston (7), the bottom surface of the piston (7), the inner surface of the inner sleeve (12) and the cylinder base (15) form an A cavity (19), the piston (7), the inner sleeve (12), the sliding sleeve (13), the cylinder barrel (11) and the cylinder cover (8) form a B cavity (20), and the.
2. The hydraulic buffer roller cage shoe of claim 1, wherein: the piston groove (10) adopts a V-shaped groove with a variable cross section.
3. The hydraulic buffer roller cage shoe of claim 1, wherein: and hydraulic oil of the upper spring (9), the sliding sleeve (13), the lower spring (14), the piston (7) and the cavity A (19) and the cavity B (20) form a cage guide deformation adaptive system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010644074.4A CN111731966A (en) | 2020-06-30 | 2020-06-30 | Hydraulic buffer roller cage shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010644074.4A CN111731966A (en) | 2020-06-30 | 2020-06-30 | Hydraulic buffer roller cage shoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111731966A true CN111731966A (en) | 2020-10-02 |
Family
ID=72654142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010644074.4A Pending CN111731966A (en) | 2020-06-30 | 2020-06-30 | Hydraulic buffer roller cage shoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111731966A (en) |
-
2020
- 2020-06-30 CN CN202010644074.4A patent/CN111731966A/en active Pending
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |