Hydraulic support stand column protective sleeve

Abstract

The utility model discloses a hydraulic support stand column protective sleeve which comprises a hydraulic stand column body, an outer protective sleeve is arranged outside the hydraulic stand column body, and an inner protective sleeve is movably connected into the outer protective sleeve. According to the hydraulic support stand column protective sleeve, by arranging a first fixing ring, when the protective sleeve is installed, a hydraulic stand column body is inserted from the bottom end of an outer protective sleeve, a second fixing ring is attached to the bottom of a supporting sleeve, then an installation ring is rotated to drive an outer threaded sleeve to rotate, and therefore the outer threaded sleeve is rotated into a threaded groove; the threaded groove is attached to the bottom end of the second fixing ring so that the hydraulic stand column body can be positioned through the second fixing ring, then the hydraulic stand column body is sleeved with the inner protection sleeve, the inner protection sleeve is pushed so that the connecting clamping spring can penetrate through the interior of the side groove and then be attached to the top end of the positioning ring, and the inner protection sleeve is positioned through the positioning ring; the problem that disassembly and assembly are not convenient is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic columns, in particular to a hydraulic support column protective sleeve. Background Art

[0002] The hydraulic support is a supporting device with hydraulic columns, that is, hydraulic rods, as the main body. It can be used in some special working environments to support the space and improve the safety of the working environment. The columns of the hydraulic support are directly installed in the working space when in use, and the two ends are connected to the top and bottom of the working space. This leads to the phenomenon of easy collision and friction during operation, which causes damage to the hydraulic columns and even affects the normal operation of the hydraulic columns. Therefore, it is now necessary to install a protective cover on the outside of the hydraulic columns to reduce the damage rate of the hydraulic columns;

[0003] However, the protective cover used for hydraulic columns still has some defects in use. The protective cover cannot be conveniently disassembled and assembled during use, and it is difficult to install and disassemble, and it takes a long time and a lot of manpower.

[0004] Now a novel hydraulic support column protective cover is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a hydraulic support column protective cover to solve the problem of inconvenient disassembly and assembly in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a hydraulic support column protective sleeve, comprising a hydraulic column body, an outer protective sleeve is arranged outside the hydraulic column body, an inner protective sleeve is movably connected inside the outer protective sleeve, the center line of the inner protective sleeve is on the same vertical plane as the center line of the outer protective sleeve, and the center line of the hydraulic column body is on the same vertical plane as the center line of the outer protective sleeve;

[0007] The bottom end of the outer protective sleeve is fixedly connected to a supporting sleeve, the bottom end of the outer side of the hydraulic column body is fixedly connected to a second fixing ring, the second fixing ring is movably connected to the supporting sleeve, a threaded groove is provided at the bottom end of the outer protective sleeve, a mounting ring is movably connected to the bottom end of the outer protective sleeve, the top end of the mounting ring is fixedly connected to an externally threaded sleeve, the top end of the outer side of the hydraulic column body is fixedly connected to a first fixing ring, the top end of the first fixing ring is fixedly connected to a rubber pad, the top end of the inner protective sleeve is fixedly connected to a positioning ring, a group of side grooves are respectively provided on both sides of the positioning ring, and a group of connecting retaining springs are respectively fixedly connected to both sides of the top end of the first fixing ring.

[0008] Preferably, the connecting clamp passes through the side groove and is movably connected to the positioning ring, and the external threaded sleeve is threadedly connected to the thread groove.

[0009] Preferably, the center line of the positioning ring and the center line of the inner protective sleeve are on the same vertical plane, and the rubber pad is movably connected to the positioning ring.

[0010] Preferably, the center line of the first fixing ring and the center line of the inner protective sleeve are on the same vertical plane, and the external threaded sleeve is movably connected to the second fixing ring.

[0011] Preferably, a group of limiting sliding grooves are respectively opened on both sides of the inner part of the outer protective sleeve, and a group of limiting sliding blocks are respectively fixedly connected to the bottom ends of both sides of the inner protective sleeve. A groove is opened on one side of the limiting sliding block, and a ball is movably connected inside the groove.

[0012] Preferably, the ball bearing is movably connected to the limiting slide groove, and the limiting slider is slidably connected to the limiting slide groove.

[0013] Preferably, a rubber ring is fixedly connected to the interior of the support sleeve, and the rubber ring is movably connected to the hydraulic column body.

[0014] Preferably, the center line of the rubber ring and the center line of the supporting sleeve are on the same vertical plane.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the hydraulic support column protective cover can not only realize convenient disassembly and assembly, realize the improvement of the stability of the protective cover when the hydraulic support is running, but also realize the improvement of the stability between the protective cover and the hydraulic column;

[0016] (1) By providing a first fixing ring, a rubber pad, a supporting sleeve, a second fixing ring, a mounting ring, an externally threaded sleeve, a positioning ring, a connecting retaining ring, a side groove and a thread groove, when installing the protective sleeve, the hydraulic column body is inserted from the bottom end of the external protective sleeve, so that the second fixing ring is fitted on the bottom of the supporting sleeve, and then the mounting ring is rotated to drive the externally threaded sleeve to rotate, so that the externally threaded sleeve is turned into the inside of the thread groove, and the thread groove is fitted on the bottom end of the second fixing ring to position the hydraulic column body through the second fixing ring, and then the inner protective sleeve is sleeved on the outside of the hydraulic column body, and the inner protective sleeve is pushed so that the connecting retaining ring passes through the inside of the side groove and then fits on the top of the positioning ring, so that the inner protective sleeve is positioned through the positioning ring, thereby realizing that the protective sleeve can be conveniently disassembled and assembled;

[0017] (2) By providing a limited sliding groove, a limited sliding block, a ball and a groove, after the protective sleeve is installed, the hydraulic column body pushes the inner protective sleeve to move inside the outer protective sleeve during operation. When the inner protective sleeve moves, the limited sliding blocks on both sides thereof are pressed against the inside of the limited sliding groove. The limited sliding groove can limit the inner protective sleeve through the limited sliding block to improve the stability of the inner protective sleeve during movement. In addition, a ball is installed inside the groove opened on one side of the limited sliding block. The ball slides against the inside of the limited sliding groove to effectively reduce friction and improve the stability of the movement of the inner protective sleeve, thereby improving the stability of the protective sleeve during operation of the hydraulic column body.

[0018] (3) A first fixing ring, a supporting sleeve, a second fixing ring and a rubber ring are provided, and a supporting sleeve is installed inside the outer protective sleeve of the protective sleeve. The rubber ring inside the supporting sleeve fits on the outside of the hydraulic column body, which can effectively support the hydraulic column body, thereby improving the stability of the hydraulic column body. The second fixing ring outside the hydraulic column body fits on the inside of the outer protective sleeve, which can further improve the stability of the hydraulic column body. At the same time, the first fixing ring at the top of the outer side of the hydraulic column body fits on the inside of the inner protective sleeve, which can also improve the stability of the inner protective sleeve, so as to improve the stability between the hydraulic column body and the outer protective sleeve and the inner protective sleeve, prevent the outer protective sleeve and the inner protective sleeve from shaking, and effectively prevent the protective sleeve from shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the top view structure of the positioning ring of the utility model;

[0021] Figure 3 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 4 It is a schematic diagram of the bottom view of the thread groove structure of the utility model.

[0023] In the figure: 1. Hydraulic column body; 2. Outer protective sleeve; 3. Inner protective sleeve; 4. First fixing ring; 5. Rubber pad; 6. Limit slide groove; 7. Support sleeve; 8. Second fixing ring; 9. Mounting ring; 10. External threaded sleeve; 11. Rubber ring; 12. Positioning ring; 13. Connecting retaining ring; 14. Side groove; 15. Limit slide block; 16. Ball; 17. Groove; 18. Threaded groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1: Please refer to Figure 1-4 A hydraulic support column protective sleeve comprises a hydraulic column body 1, an outer protective sleeve 2 is arranged outside the hydraulic column body 1, an inner protective sleeve 3 is movably connected inside the outer protective sleeve 2, a center line of the inner protective sleeve 3 is on the same vertical plane as a center line of the outer protective sleeve 2, and a center line of the hydraulic column body 1 is on the same vertical plane as a center line of the outer protective sleeve 2;

[0026] The bottom end of the outer protective sleeve 2 is fixedly connected with a support sleeve 7, the bottom end of the outer hydraulic column body 1 is fixedly connected with a second fixing ring 8, the second fixing ring 8 is movably connected with the support sleeve 7, the bottom end of the outer protective sleeve 2 is provided with a threaded groove 18, the bottom end of the outer protective sleeve 2 is movably connected with a mounting ring 9, the top of the mounting ring 9 is fixedly connected with an external threaded sleeve 10, the top end of the outer hydraulic column body 1 is fixedly connected with a first fixing ring 4, the top of the first fixing ring 4 is fixedly connected with a rubber pad 5, the top end of the inner protective sleeve 3 is fixedly connected with a positioning ring 12, a group of side grooves 14 are respectively provided on both sides of the positioning ring 12, and a group of connecting retaining springs 13 are respectively fixedly connected to both sides of the top of the first fixing ring 4;

[0027] The connecting clamp 13 penetrates the side groove 14 and is movably connected to the positioning ring 12, and the external threaded sleeve 10 is threadedly connected to the thread groove 18;

[0028] The center line of the positioning ring 12 and the center line of the inner protective sleeve 3 are on the same vertical plane, and the rubber pad 5 is movably connected to the positioning ring 12;

[0029] The center line of the first fixing ring 4 and the center line of the inner protective sleeve 3 are on the same vertical plane, and the external threaded sleeve 10 is movably connected to the second fixing ring 8;

[0030] Specifically, Figure 1 , Figure 2 and Figure 4As shown, when installing the protective sleeve, the hydraulic column body 1 is inserted from the bottom end of the outer protective sleeve 2, so that the second fixing ring 8 is fitted on the bottom of the supporting sleeve 7, and then the mounting ring 9 is rotated to drive the external threaded sleeve 10 to rotate, so that the external threaded sleeve 10 is turned into the inside of the thread groove 18, and the thread groove 18 is fitted on the bottom end of the second fixing ring 8 to position the hydraulic column body 1 through the second fixing ring 8, and then the inner protective sleeve 3 is sleeved on the outside of the hydraulic column body 1, and the inner protective sleeve 3 is pushed so that the connecting clip 13 passes through the inside of the side groove 14 and fits on the top of the positioning ring 12, so that the inner protective sleeve 3 is positioned through the positioning ring 12, so that the protective sleeve can be easily disassembled and assembled.

[0031] Embodiment 2: A set of limiting slide grooves 6 are respectively provided on both sides of the inner part of the outer protective sleeve 2, and a set of limiting sliders 15 are respectively fixedly connected to the bottom ends of both sides of the inner protective sleeve 3, and a groove 17 is provided on one side of the limiting slider 15, and a ball 16 is movably connected inside the groove 17;

[0032] The ball 16 is movably connected to the limiting slide groove 6, and the limiting slider 15 is slidably connected to the limiting slide groove 6;

[0033] Specifically, Figure 1 and Figure 3 As shown, after the protective sleeve is installed, the hydraulic column body 1 pushes the inner protective sleeve 3 to move inside the outer protective sleeve 2 during operation. While the inner protective sleeve 3 moves, it drives the limiting sliders 15 on both sides thereof to fit inside the limiting slide grooves 6. The limiting slide grooves 6 can limit the inner protective sleeve 3 through the limiting sliders 15 to improve the stability of the inner protective sleeve 3 during movement, and a ball 16 is installed inside the groove 17 opened on one side of the limiting slider 15. The ball 16 fits inside the limiting slide groove 6 and slides, which can effectively reduce friction and improve the stability of the movement of the inner protective sleeve 3, thereby improving the stability of the protective sleeve during the operation of the hydraulic column body 1.

[0034] Embodiment 3: A rubber ring 11 is fixedly connected inside the support sleeve 7, and the rubber ring 11 is movably connected to the hydraulic column body 1;

[0035] The center line of the rubber ring 11 and the center line of the support sleeve 7 are on the same vertical plane;

[0036] Specifically, Figure 1 and Figure 4As shown, a support sleeve 7 is installed inside the outer protective sleeve 2 of the protective sleeve, and the rubber ring 11 inside the support sleeve 7 is fitted on the outside of the hydraulic column body 1, which can effectively support the hydraulic column body 1, thereby improving the stability of the hydraulic column body 1, and the second fixing ring 8 outside the hydraulic column body 1 is fitted inside the outer protective sleeve 2 to further improve the stability of the hydraulic column body 1, and at the same time, the first fixing ring 4 at the top end of the outer side of the hydraulic column body 1 is fitted inside the inner protective sleeve 3 to also improve the stability of the inner protective sleeve 3, so as to improve the stability between the hydraulic column body 1 and the outer protective sleeve 2 and the inner protective sleeve 3, prevent the outer protective sleeve 2 and the inner protective sleeve 3 from shaking, and effectively prevent the protective sleeve from shaking.

[0037] Working principle: When the utility model is in use, when installing the protective sleeve, the hydraulic column body 1 is inserted from the bottom end of the outer protective sleeve 2, so that the second fixing ring 8 is fitted on the bottom of the supporting sleeve 7, and then the mounting ring 9 is rotated to drive the external threaded sleeve 10 to rotate, so that the external threaded sleeve 10 is turned into the inside of the thread groove 18, and the thread groove 18 is fitted on the bottom end of the second fixing ring 8 to position the hydraulic column body 1 through the second fixing ring 8, and then the inner protective sleeve 3 is sleeved on the outside of the hydraulic column body 1, and the inner protective sleeve 3 is pushed to make the connecting retaining ring 13 pass through the inside of the side groove 14 and fit on the top of the positioning ring 12, so as to position the inner protective sleeve 3 through the positioning ring 12, after the protective sleeve is installed, the hydraulic column body 1 pushes the inner protective sleeve 3 to move inside the outer protective sleeve 2 during operation, and the movement of the inner protective sleeve 3 drives the limiting sliders 15 on both sides thereof to fit inside the limiting slide groove 6, and the limiting slide groove 6 can be positioned by the limiting slider 15 on the inner protective sleeve The cylinder 3 is limited to improve the stability of the inner protective sleeve 3 during movement, and a ball 16 is installed inside the groove 17 opened on one side of the limiting sliding block 15. The ball 16 slides in the internal limit sliding groove 6 to effectively reduce friction and improve the stability of the movement of the inner protective sleeve 3. A supporting sleeve 7 is installed inside the outer protective sleeve 2 of the protective sleeve. The rubber ring 11 inside the supporting sleeve 7 fits on the outside of the hydraulic column body 1, which can effectively support the hydraulic column body 1, thereby improving the stability of the hydraulic column body 1. The second fixing ring 8 outside the hydraulic column body 1 fits inside the outer protective sleeve 2 to further improve the stability of the hydraulic column body 1. At the same time, the first fixing ring 4 at the top end of the outer side of the hydraulic column body 1 fits inside the inner protective sleeve 3 to also improve the stability of the inner protective sleeve 3, so as to improve the stability between the hydraulic column body 1 and the outer protective sleeve 2 and the inner protective sleeve 3, and prevent the outer protective sleeve 2 and the inner protective sleeve 3 from shaking.

Claims

1. A hydraulic support column protective cover, comprising a hydraulic column body (1), characterized in that: An outer protective sleeve (2) is arranged outside the hydraulic column body (1), an inner protective sleeve (3) is movably connected inside the outer protective sleeve (2), a center line of the inner protective sleeve (3) and a center line of the outer protective sleeve (2) are on the same vertical plane, and a center line of the hydraulic column body (1) and a center line of the outer protective sleeve (2) are on the same vertical plane; The bottom end of the outer protective sleeve (2) is fixedly connected to a support sleeve (7), the bottom end of the outer hydraulic column body (1) is fixedly connected to a second fixing ring (8), the second fixing ring (8) is movably connected to the support sleeve (7), the bottom end of the outer protective sleeve (2) is provided with a threaded groove (18), the bottom end of the outer protective sleeve (2) is movably connected to a mounting ring (9), the top end of the mounting ring (9) is fixedly connected to an external threaded sleeve (10), the top end of the outer hydraulic column body (1) is fixedly connected to a first fixing ring (4), the top end of the first fixing ring (4) is fixedly connected to a rubber pad (5), the top end of the inner protective sleeve (3) is fixedly connected to a positioning ring (12), the two sides of the positioning ring (12) are respectively provided with a group of side grooves (14), and the two sides of the top end of the first fixing ring (4) are respectively fixedly connected to a group of connecting clamping springs (13).

2. The hydraulic support column protective cover according to claim 1 is characterized in that: The connecting clamp (13) penetrates the side groove (14) and is movably connected to the positioning ring (12), and the external thread sleeve (10) is threadedly connected to the thread groove (18).

3. The hydraulic support column protective cover according to claim 1 is characterized in that: The center line of the positioning ring (12) and the center line of the inner protective sleeve (3) are on the same vertical plane, and the rubber pad (5) is movably connected to the positioning ring (12).

4. The hydraulic support column protective cover according to claim 1, characterized in that: The center line of the first fixing ring (4) and the center line of the inner protective sleeve (3) are on the same vertical plane, and the external threaded sleeve (10) is movably connected to the second fixing ring (8).

5. The hydraulic support column protective cover according to claim 1, characterized in that: A group of limiting sliding grooves (6) are respectively provided on both sides of the interior of the outer protective sleeve (2), and a group of limiting sliding blocks (15) are respectively fixedly connected to the bottom ends of both sides of the inner protective sleeve (3), and a groove (17) is provided on one side of the limiting sliding block (15), and a ball (16) is movably connected inside the groove (17).

6. The hydraulic support column protective cover according to claim 5, characterized in that: The ball (16) is movably connected to the limiting slide groove (6), and the limiting slide block (15) is slidably connected to the limiting slide groove (6).

7. The hydraulic support column protective cover according to claim 1, characterized in that: A rubber ring (11) is fixedly connected to the interior of the support sleeve (7), and the rubber ring (11) is movably connected to the hydraulic column body (1).

8. The hydraulic support column protective cover according to claim 7, characterized in that: The center line of the rubber ring (11) and the center line of the supporting sleeve (7) are on the same vertical plane.

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