Cutting oil cylinder sheath device of continuous mining machine

Abstract

The utility model relates to the field of oil cylinder jackets, and discloses a continuous mining machine cutting oil cylinder jacket device which comprises a jacket body, a connecting assembly is arranged at the end of the jacket body, a plurality of sets of connecting holes are formed in the upper end and the lower end of the jacket body, the connecting assembly comprises a connecting block, the connecting block is inserted into the jacket body, and the connecting block is connected with the jacket body. Inserting rods are inserted into the upper end and the lower end of the connecting block, clamping blocks are fixedly connected to the lower portions of the outer arc faces of the inserting rods, and torsion blocks are fixedly connected to the upper surfaces of the inserting rods. According to the utility model, through the arrangement of the torsion block, the connecting block, the sealing gasket, the inserting rod, the clamping block, the step groove, the annular groove and the clamping groove, when the device is mounted on the outer side of the oil cylinder, the proper sheath length can be freely combined in a splicing manner, so that the device is suitable for oil cylinders with different models and use requirements, and when any part of the sheath is damaged, the device is convenient to use. The damaged part can be conveniently dismounted and replaced, and the cost loss caused by replacing the whole sheath is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of oil cylinder sheath, especially to a continuous miner cutting oil cylinder sheath device. BACKGROUND

[0002] The oil cylinder sheath is a key protection device for ensuring the stable operation of the oil cylinder. It is as if it puts on a solid armor for the oil cylinder, and plays an important role. It can block dust, debris and other pollutants, prevent them from mixing into the oil, reduce internal wear and corrosion, prevent oil leakage and maintain a clean working environment. Its types are various, and the materials cover rubber, polyurethane and the like.

[0003] In the prior art, part of the oil cylinder sheaths are connected by bolt connection. This connection method usually sets a connecting structure with bolt holes on the corresponding parts of the oil cylinder sheath and the oil cylinder, passes the bolts through these holes and tightens them to firmly fix the sheath on the oil cylinder. The advantage of bolt connection is that the connection is firm and reliable, and can withstand large external force and vibration.

[0004] However, in actual use, since the sheath used at present is of an integral structure, it often appears that the extension distance is insufficient or part of it is bent and falls when it is installed on the outside of different continuous miner cutting oil cylinders. The cost of specially customizing an oil cylinder sheath of a specified length is high. Therefore, the continuous miner cutting oil cylinder sheath device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a continuous miner cutting oil cylinder sheath device, aiming at improving the problem that the length of the oil cylinder sheath in the prior art cannot be self-defined and adjusted, and the applicability is poor.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a continuous miner cutting oil cylinder sheath device, comprising a sheath body, a connecting assembly is arranged at the end of the sheath body, and a plurality of connecting holes are arranged at the upper and lower ends of the sheath body.

[0007] The connecting assembly comprises a connecting block, the connecting block is inserted into the sheath body, a plug rod is inserted into the upper and lower ends of the connecting block, a clamping block is fixedly connected to the outer arc surface of the lower part of the plug rod, a torsion block is fixedly connected to the upper surface of the plug rod, a sealing gasket is fixedly connected to the end of the torsion block close to the plug rod, a vertical clamping groove is arranged in the inner surface of the connecting block, an annular groove is arranged in the lower part of the connecting block, and a stepped groove is arranged at the end of the annular groove away from the clamping groove.

[0008] Further description of the above technical scheme:

[0009] Four thread grooves are arranged in the connecting hole, and a sliding groove is arranged between adjacent thread grooves.

[0010] As a further description of the above technical solutions:

[0011] The sheath body is provided with multiple groups, and the multiple groups of sheath bodies are in contact in up-down alignment, and the connecting blocks are provided in a cross shape.

[0012] As a further description of the above technical solutions:

[0013] The cross-shaped ridge width of the connecting block is the same as the width of the sliding groove, and the upper and lower ends of the connecting block are provided with cylindrical grooves.

[0014] As a further description of the above technical solutions:

[0015] The diameter of the insertion rod is the same as the diameter of the grooves at the upper and lower ends of the connecting block, and the length and width dimensions of the clamping block match the clamping groove.

[0016] As a further description of the above technical solutions:

[0017] The diameter of the torsion block is greater than the diameter of the connecting hole, and the diameter of the sealing gasket is greater than the diameter of the through hole at the upper and lower ends of the connecting block.

[0018] As a further description of the above technical solutions:

[0019] The clamping groove, the annular groove and the stepped groove are provided on the upper and lower sides of the connecting block at the same time.

[0020] As a further description of the above technical solutions:

[0021] The connecting holes provided at the upper and lower ends of the sheath body of the same specification have the same number and correspond to each other.

[0022] The utility model has the following beneficial effects:

[0023] 1、In the utility model, through the setting of the torsion block, the connecting block, the sealing gasket, the insertion rod, the clamping block, the stepped groove, the annular groove and the clamping groove, when the device is installed on the outside of the oil cylinder, the appropriate sheath length can be combined freely in a splicing mode, so that different models and use requirements of the oil cylinder are adapted, and when any part of the sheath is damaged, the damaged part can be conveniently removed and replaced, avoiding the cost loss caused by replacing the whole sheath.

[0024] 2、In the utility model, through the setting of the sliding groove and the threaded groove, the connecting groove can be selected as a sheath connecting end or a bolt connecting end according to actual use requirements, so that in the splicing process of multiple sheaths, it is not necessary to distinguish the front and back directions, and the convenient combination use effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1A combined state schematic view of a sheath device of a cutting oil cylinder of a continuous miner is provided in the utility model.

[0026] Figure 2 A connecting block position schematic view of the sheath device of the cutting oil cylinder of the continuous miner is provided in the utility model.

[0027] Figure 3 A torsion block and a lower position schematic view thereof of the sheath device of the cutting oil cylinder of the continuous miner are provided in the utility model.

[0028] Figure 4 A connecting block section position schematic view of the sheath device of the cutting oil cylinder of the continuous miner is provided in the utility model.

[0029] Figure 5 A sheath body and a connecting hole section position schematic view of the sheath device of the cutting oil cylinder of the continuous miner are provided in the utility model.

[0030] Legend:

[0031] 1, sheath body; 2, connecting assembly; 3, connecting hole; 201, torsion block; 202, connecting block; 203, sealing gasket; 204, insertion rod; 205, clamping block; 206, stepped groove; 207, annular groove; 208, clamping groove; 301, sliding groove; 302, threaded groove. Specific implementation

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] Reference Figure 2 - Figure 4 An embodiment provided by the utility model: a sheath device of a cutting oil cylinder of a continuous miner, comprising a sheath body 1, the end of the sheath body 1 is provided with a connecting assembly 2, a plurality of connecting holes 3 are formed in the upper and lower ends of the sheath body 1.

[0034] The connecting assembly 2 comprises a connecting block 202 inserted into the sheath body 1, the upper and lower ends of the connecting block 202 are both inserted with a plug rod 204, the outer arc surface of the lower part of the plug rod 204 is fixedly connected with a clamping block 205, the upper surface of the plug rod 204 is fixedly connected with a torsion block 201, the end of the torsion block 201 close to the plug rod 204 is fixedly connected with a sealing gasket 203, the inner surface of the connecting block 202 is provided with a vertical clamping groove 208, the lower part of the connecting block 202 is provided with an annular groove 207, and the end of the annular groove 207 away from the clamping groove 208 is provided with a stepped groove 206.

[0035] The sheath body 1 is provided with multiple groups, so that any number of sheath bodies 1 can be assembled into any length in actual use, the multiple groups of sheath bodies 1 are in contact in alignment, the connecting block 202 is provided in a cross shape, the width of the cross-shaped edge of the connecting block 202 is the same as the width of the sliding groove 301, so that the connecting block 202 can be inserted into the connecting hole 3 and cannot be hindered by the threads in the connecting hole 3, the upper and lower ends of the connecting block 202 are both provided with a cylindrical groove, so that the plug rod 204 can be inserted, the diameter of the plug rod 204 is the same as the diameter of the groove at the upper and lower ends of the connecting block 202, the length and width of the clamping block 205 are matched with the clamping groove 208, so that when the plug rod 204 is inserted into the connecting block 202, the clamping block 205 cannot be hindered by the shape of the plug rod 204, the diameter of the torsion block 201 is greater than the diameter of the connecting hole 3, so that the torsion blocks 201 on the upper and lower sides can clamp the adjacent two groups of sheath bodies 1, the diameter of the sealing gasket 203 is greater than the diameter of the through hole at the upper and lower ends of the connecting block 202, so that during the insertion of the plug rod 204, the sealing gasket 203 will be extruded due to the rubber material and give a certain elastic force between the connecting block 202 and the torsion block 201, the clamping groove 208, the annular groove 207 and the stepped groove 206 are all provided on the upper and lower sides of the connecting block 202.

[0036] Referring to Figure 1 , Figure 5 , four groups of threaded grooves 302 are arranged in the connecting hole 3, so that when the bolt needs to be connected, the threaded groove 302 can accommodate the threaded connection of the bolt and the sheath body 1, the sliding groove 301 is arranged between adjacent threaded grooves 302, and the number of connecting holes 3 arranged at the upper and lower ends of the sheath body 1 of the same specification is the same and corresponds to each other.

[0037] Working principle: according to the actual use demand, any number of sheath bodies 1 are vertically stacked, the connecting block 202 is inserted into the connecting hole 3 at the connecting position of the two adjacent sheath bodies 1, the clamping block 205 is inserted into the clamping groove 208, the insertion rod 204 is inserted, the torsion block 201 is held and rotated 180°, the clamping block 205 is moved to the step groove 206, the clamping block 205 is moved to the step groove 206 due to the elastic force of the sealing gasket 203, the rotation of the clamping block 205, the insertion rod 204 and the torsion block 201 is limited by the step groove 206, the two adjacent sheath bodies 1 are connected by the upper and lower torsion blocks 201, the multiple sheath bodies 1 can be assembled into any length according to the actual use demand, the uppermost and lowermost sheath bodies 1 are connected with the oil cylinder and the equipment by the torsion bolt, the assembly of the sheath body 1 is completed, in addition, the threaded groove 302 and the sliding groove 301 are arranged in the connecting hole 3, the connecting block 202 and the bolt can be inserted into the connecting hole 3 by the plug-in and threaded connection, the sheath body 1 is not divided into the bolt connection end and the connecting block 202 connection end, and the labor cost of the connection and assembly process is reduced.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A sleeve device for a cutting cylinder of a continuous mining machine, comprising a sleeve body (1), characterized in that: The end of the sheath body (1) is provided with a connecting component (2), and multiple sets of connecting holes (3) are opened at both the upper and lower ends of the sheath body (1). The connecting component (2) includes a connecting block (202), which is inserted into the sheath body (1). Both the upper and lower ends of the connecting block (202) are connected to insert rods (204). A locking block (205) is fixedly connected to the lower part of the outer arc surface of the insert rod (204). A torsion block (201) is fixedly connected to the upper surface of the insert rod (204). A sealing gasket (203) is fixedly connected to one end of the torsion block (201) near the insert rod (204). A vertical locking groove (208) is opened on the inner surface of the connecting block (202). An annular groove (207) is opened at the lower part of the connecting block (202) located in the locking groove (208). A stepped groove (206) is opened at the end of the annular groove (207) away from the locking groove (208).

2. The continuous mining machine cutting cylinder sleeve device according to claim 1, characterized in that: The connecting hole (3) has four sets of threaded grooves (302) inside, and a sliding groove (301) is provided between adjacent threaded grooves (302).

3. The continuous mining machine cutting cylinder sleeve device according to claim 1, characterized in that: The sheath body (1) is provided in multiple sets, and the multiple sets of sheath bodies (1) are aligned and in contact with each other. The connecting block (202) is set in a cross shape.

4. The continuous mining machine cutting cylinder sleeve device according to claim 1, characterized in that: The width of the cross-shaped edge of the connecting block (202) is the same as the width of the groove (301), and cylindrical grooves are provided at both the upper and lower ends of the connecting block (202).

5. The continuous mining machine cutting cylinder sleeve device according to claim 1, characterized in that: The diameter of the insertion rod (204) is the same as the diameter of the grooves at the upper and lower ends of the connecting block (202), and the length and width of the locking block (205) match the locking groove (208).

6. The continuous mining machine cutting cylinder sleeve device according to claim 1, characterized in that: The diameter of the torsion block (201) is greater than the diameter of the connecting hole (3), and the diameter of the sealing gasket (203) is greater than the diameter of the through holes at the upper and lower ends of the connecting block (202).

7. The continuous mining machine cutting cylinder sleeve device according to claim 1, characterized in that: The slot (208), annular groove (207), and stepped groove (206) are all simultaneously provided on the upper and lower sides of the connecting block (202).

8. The continuous mining machine cutting cylinder sleeve device according to claim 1, characterized in that: The number of connecting holes (3) at the upper and lower ends of the sheath body (1) of the same specification are the same and correspond to each other.

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