CN211995856U - Hydraulic support carrier frame - Google Patents
Hydraulic support carrier frame Download PDFInfo
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- CN211995856U CN211995856U CN201922471759.9U CN201922471759U CN211995856U CN 211995856 U CN211995856 U CN 211995856U CN 201922471759 U CN201922471759 U CN 201922471759U CN 211995856 U CN211995856 U CN 211995856U
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- connecting lug
- spline shaft
- lifting
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Abstract
The utility model relates to a hydraulic support carrier frame, which comprises a front frame and a rear frame which are hinged, wherein the rear frame is a U-shaped frame, and four groups of lifting mechanisms are arranged on the rear frame; the lifting mechanism comprises a bottom plate, a connecting lug plate and a connecting lug seat are fixed on the bottom plate, a spline shaft is inserted in the connecting lug seat, a chain wheel which is eccentrically arranged is fixed at the end part of the outer end of the spline shaft, a lifting arm is fixed on the spline shaft in the connecting lug seat, and an oil cylinder is installed between the connecting lug plate and the lifting arm. The utility model discloses the harsh rugged road conditions such as narrow, the bend of adaptation underwell road that can be fine is many, road surface slope fluctuation is big. The rear frame is designed into a U-shaped frame and is provided with a lifting mechanism, so that the rear frame is more suitable for carrying the hydraulic support. The lifting mechanism is an oil cylinder matched with an eccentric chain wheel, so that the lifting stroke is greatly improved, and the applicability is wider. The utility model relates to a thinking is clear, and the general technical indicator is advanced, has highlighted reliability and practicality, can increase substantially transport operating efficiency.
Description
Technical Field
The utility model relates to a colliery underground transportation field specifically is a hydraulic support truck frame.
Background
The hydraulic support in the coal mine is often required to be carried, so that a special hydraulic support carrier is provided. The frame is the core part of carrier, and the good or bad of its performance directly influences the conveying efficiency of carrier. The frame design of current carrier is not the optimum choice that is applicable to harsh road conditions such as narrow road, many bends, slope fluctuation are big, and in addition, the hoist mechanism on the carrier is the part that directly is used for mentioning hydraulic support, and the quality of its performance also directly influences the promotion effect, and current hoist mechanism roughly has capstan winch formula, hydraulic cylinder drive formula, sprocket formula etc. but its ubiquitous has weight, bulky, price and maintenance cost height, promotes the stroke short scheduling problem.
Disclosure of Invention
The utility model aims at solving the problems existing in the prior art and providing a hydraulic support carrier frame with a brand new structural design.
The utility model discloses a realize through following technical scheme:
a hydraulic support carrier frame comprises a front frame and a rear frame, wherein the rear frame is a U-shaped frame, the middle position of a transverse frame body of the U-shaped frame is hinged with the middle position of the tail part of the front frame, and a front group of lifting mechanisms and a rear group of lifting mechanisms are arranged on the positions, close to the inner side, of each vertical frame body of the U-shaped frame; the lifting mechanism comprises a bottom plate fixed on the U-shaped frame, one end of the bottom plate is fixed with a connecting lug plate, and the other end of the bottom plate is fixed with a connecting lug seat; a spline shaft is rotatably inserted in the connecting lug seat, a chain wheel is fixed at the end part of the outer end of the spline shaft, and the rotating center of the chain wheel is eccentrically arranged; a lifting arm is fixed on a shaft section of the spline shaft positioned in the connecting lug seat, the lifting arm comprises an arm body, the bottom end of the arm body is fixedly arranged on the spline shaft through a mounting hole on the arm body, the top of the arm body is in arc-shaped excessive bending arrangement, and a hinge hole is formed in the bending section; an oil cylinder is arranged between the connecting lug plate and the lifting arm, the end part of the cylinder body of the oil cylinder is hinged with the connecting lug plate, and the end part of a piston rod of the oil cylinder is hinged with a hinge hole on the lifting arm.
According to the preferable technical scheme, shaft end covers are mounted at the end parts of the two ends of the spline shaft through bolts and gaskets, a shaft copper sleeve is sleeved on the part, in contact with the connecting lug seat, of the spline shaft, and a copper gasket is sleeved on the position, between the connecting lug seat and the lifting arm, of the spline shaft.
As the preferred technical scheme, the top of the connecting lug seat is provided with an oil cup.
The utility model discloses hydraulic support carrier frame comprises preceding, the back frame of articulated connection, and the harsh rugged road conditions such as narrow, many, the road surface slope of bend of adaptation underwell road that can be fine fluctuate greatly. The rear frame is designed into a U-shaped frame and is provided with a lifting mechanism, so that the rear frame is more suitable for carrying the hydraulic support. The lifting mechanism is an oil cylinder matched with an eccentric chain wheel and is a cam type lifting mechanism, so that under the condition of ensuring that the size of the chain wheel is not changed, the lifting stroke of the lifting mechanism is greatly improved, and the applicability is wider. The utility model discloses hydraulic support carrier frame design is clear, and the general technical index is advanced, has highlighted reliability and practicality, can adapt to abominable operating mode in the pit, under the prerequisite that satisfies man-machine safety, can increase substantially transport operating efficiency.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention in any way.
Fig. 1 is a front view of the frame of the hydraulic support carrier of the present invention.
Fig. 2 is a top view of the frame of the hydraulic support truck of the present invention.
Fig. 3 is a front view of the lifting mechanism of the hydraulic support truck frame of the present invention.
Fig. 4 is a top view and a partial cross-sectional view of the structure of the lifting mechanism of the hydraulic support truck frame of the present invention.
Fig. 5 is a schematic structural view of the lifting arm in the frame of the hydraulic support truck of the present invention.
In the figure: a-a front frame, B-a rear frame, C-a lifting mechanism, D-a hinged seat, E-a steering hydraulic oil cylinder and F-a steering limiting rod;
1-bottom plate, 2-connecting lug plate, 3-connecting lug seat, 4-spline shaft, 5-chain wheel, 6-chain, 7-hook, 8-shaft end cover, 9-shaft copper sleeve, 10-oil cup, 11-lifting arm, 11-1-arm body, 11-2-mounting hole, 11-3-bending section, 11-4-hinging hole, 12-copper gasket and 13-oil cylinder.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the present invention will be further clearly and completely described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
A hydraulic rack truck frame, as shown in fig. 1 and 2, includes a front frame a and a rear frame B.
The rear frame B is a U-shaped frame, the middle position of a transverse frame body of the U-shaped frame is hinged with the middle position of the tail part of the front frame A, and a front group of lifting mechanisms and a rear group of lifting mechanisms C are arranged on the positions, close to the inner side, of each vertical frame body of the U-shaped frame; the front frame A, B and the rear frame A, B are hinged through a hinge base D, steering hydraulic oil cylinders E are respectively arranged at the positions on two sides of the hinge base D, and the steering hydraulic oil cylinders E are respectively hinged on the front frame A, B and the rear frame A, B, so that articulated steering can be performed, and the operation in harsh environments such as narrow roads, multiple curves and the like can be met; and a steering limiting rod F is further arranged on one side of the hinged seat D, and two ends of the steering limiting rod F are hinged to the front frame A, B and the rear frame A, B respectively.
As shown in fig. 3 to 5, the lifting mechanism C includes a bottom plate fixed on the U-shaped frame, a connecting ear plate 2 is fixed at one end of the bottom plate 1, a connecting ear seat 3 is fixed at the other end of the bottom plate 1, the connecting ear plate 2 includes a left ear plate and a right ear plate, and the connecting ear seat 3 includes a left ear seat and a right ear seat; a spline shaft 4 is rotatably inserted in the connecting lug seat 3, a chain wheel 5 is fixed at the end part of the outer end of the spline shaft 4, the rotating center of the chain wheel 5 is eccentrically arranged, and a chain 6 with a hook 7 is wound on the chain wheel 5; the end parts of the two ends of the spline shaft 4 are respectively provided with a shaft end cover 8 through bolts and washers, a shaft copper sleeve 9 is sleeved on the part of the spline shaft 4, which is in contact with the connecting lug seats 3, and the top of the connecting lug seats 3 is provided with an oil cup 10; a lifting arm 11 is fixed on the shaft section of the spline shaft 4 positioned in the connecting lug seat 3, and a copper gasket 12 is sleeved on the position of the spline shaft 4 positioned between the connecting lug seat 3 and the lifting arm 11; the lifting arm 11 comprises an arm body 11-1, the bottom end of the arm body 11-1 is fixedly arranged on the spline shaft 4 through a mounting hole 11-2 on the arm body, the top of the arm body 11-1 is in arc transition bending arrangement, and a hinge hole 11-4 is formed in a bending section 11-3; an oil cylinder 13 is arranged between the connecting lug plate 2 and the lifting arm 11, the end part of the cylinder body of the oil cylinder 13 is hinged with the connecting lug plate 2 through a pin shaft, and the end part of a piston rod of the oil cylinder 13 is hinged with a hinge hole 11-4 on the lifting arm 11 through a pin shaft; the sprocket 5 is eccentrically disposed with respect to the spline shaft 4, the long diameter portion of the sprocket 5 faces the oil cylinder 13 side, and the bent portion 11-3 of the boom 11 also faces the oil cylinder 13 side, so that the lift stroke can be increased to the maximum.
During the use, the hydraulic support that needs the transport arranges in back frame B's U type frame, and the cooperation of four group's hoist mechanism C that lie in the hydraulic support both sides on through U type frame is lifted hydraulic support jointly, specifically is: the hook 7 on the chain wheel 5 is fixedly connected with the hydraulic support, the oil cylinder 13 is started, the piston rod extends out to push the lifting arm 11 to rotate, the lifting arm 11 drives the spline shaft 4 to rotate, the spline shaft 4 drives the chain wheel 5 to eccentrically rotate, and the chain 6 is retracted at the moment, so that the hydraulic support is lifted.
The technical solutions in the embodiments of the present invention have been clearly and completely described above, and the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Claims (3)
1. The utility model provides a hydraulic support carrier frame, includes preceding frame and back frame, its characterized in that: the rear frame is a U-shaped frame, the middle position of a transverse frame body of the U-shaped frame is hinged with the middle position of the tail part of the front frame, and a front group of lifting mechanisms and a rear group of lifting mechanisms are arranged on the positions, close to the inner side, of each vertical frame body of the U-shaped frame; the lifting mechanism comprises a bottom plate fixed on the U-shaped frame, one end of the bottom plate is fixed with a connecting lug plate, and the other end of the bottom plate is fixed with a connecting lug seat; a spline shaft is rotatably inserted in the connecting lug seat, a chain wheel is fixed at the end part of the outer end of the spline shaft, and the rotating center of the chain wheel is eccentrically arranged; a lifting arm is fixed on a shaft section of the spline shaft positioned in the connecting lug seat, the lifting arm comprises an arm body, the bottom end of the arm body is fixedly arranged on the spline shaft through a mounting hole on the arm body, the top of the arm body is in arc-shaped excessive bending arrangement, and a hinge hole is formed in the bending section; an oil cylinder is arranged between the connecting lug plate and the lifting arm, the end part of the cylinder body of the oil cylinder is hinged with the connecting lug plate, and the end part of a piston rod of the oil cylinder is hinged with a hinge hole on the lifting arm.
2. The hydraulic rack truck frame as set forth in claim 1, wherein: the end parts of the two ends of the spline shaft are respectively provided with a shaft end cover through bolts and gaskets, the part of the spline shaft, which is in contact with the connecting lug seat, is sleeved with a shaft copper sleeve, and the position of the spline shaft, which is positioned between the connecting lug seat and the lifting arm, is sleeved with a copper gasket.
3. The hydraulic rack truck frame as set forth in claim 2, wherein: the top of the connecting lug seat is provided with an oil cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922471759.9U CN211995856U (en) | 2019-12-31 | 2019-12-31 | Hydraulic support carrier frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922471759.9U CN211995856U (en) | 2019-12-31 | 2019-12-31 | Hydraulic support carrier frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211995856U true CN211995856U (en) | 2020-11-24 |
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ID=73427919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922471759.9U Active CN211995856U (en) | 2019-12-31 | 2019-12-31 | Hydraulic support carrier frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211995856U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572267A (en) * | 2020-11-30 | 2021-03-30 | 山东临工工程机械有限公司 | Automatic carrying system for tire of loader |
| CN113666302A (en) * | 2021-08-31 | 2021-11-19 | 鄂尔多斯市同新矿业技术有限公司 | Modular support carrier |
-
2019
- 2019-12-31 CN CN201922471759.9U patent/CN211995856U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572267A (en) * | 2020-11-30 | 2021-03-30 | 山东临工工程机械有限公司 | Automatic carrying system for tire of loader |
| CN112572267B (en) * | 2020-11-30 | 2023-06-02 | 临沂临工智能信息科技有限公司 | Automatic tire carrying system of loader |
| CN113666302A (en) * | 2021-08-31 | 2021-11-19 | 鄂尔多斯市同新矿业技术有限公司 | Modular support carrier |
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