Hydraulic valve group and hydraulic chain tightener applying same

Abstract

The utility model provides a hydraulic valve bank and a hydraulic chain tightener using the same, and belongs to the technical field of hydraulic valve banks. Comprising a hydraulic valve body; the first sliding grooves are formed in the hydraulic valve body, and the forming directions of the first sliding grooves point to the peripheral side walls of the hydraulic valve body from the central axis direction of the hydraulic valve body; the buffer part is mounted on the hydraulic valve body, is in sliding connection with the first sliding groove, and is used for reducing the impact of equipment on the hydraulic valve body in the working process of the hydraulic valve body; and the fixing part is positioned on the hydraulic valve body. By arranging the first sliding groove, the buffering sliding block can change the original position along the first sliding groove, and therefore when the hydraulic valve body needs to be combined and installed, the buffering sliding block is moved to the side, away from the central axis of the hydraulic valve body, of the first sliding groove and is combined with the first sliding groove. And the buffering position of the buffering part is moved to the central area of the hydraulic valve bank, so that the buffering effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic valve groups, in particular to a hydraulic valve group and a hydraulic chain tightener using the valve group. Background Art

[0002] The hydraulic valve group is an important part of the hydraulic system. It is mainly composed of various hydraulic valves, which are used to control the pressure, flow and direction of the liquid in the hydraulic system. These valves can be opened or closed as needed to adjust the flow of the liquid and realize mechanical transmission and control.

[0003] The hydraulic chain tensioner is a chain tensioner designed for scraper conveyors. It uses a hydraulic motor to provide power and achieves chain tensioning by reversing the sprocket. This chain tensioner is flexible and convenient to use, simple to operate, has a good chain tightening effect, and is safe to use. Therefore, it is widely used in chain tensioner products.

[0004] In the prior art, when the hydraulic valve group is in use, vibration of the equipment will cause the same vibration to the hydraulic valve group. Usually, a buffer assembly is installed to reduce the possibility of damage to the hydraulic valve group. When the hydraulic valves are connected to each other, the center position of the hydraulic valve is changed, resulting in the inability to adjust the position of the buffer assembly in the original position, thereby causing the buffering effect of the buffer assembly to decrease. Therefore, the present application provides a hydraulic valve group and a hydraulic chain tightener using the valve group to meet the needs. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a hydraulic valve group and a hydraulic chain tightener using the valve group to solve the problem that during the use of the existing hydraulic valve group, the vibration of the equipment will cause the same vibration to the hydraulic valve group. Usually, the possibility of damage to the hydraulic valve group is reduced by installing a buffer component. When the hydraulic valves are connected to each other, the center position of the hydraulic valve is changed, resulting in the inability to adjust the position of the buffer component in the original position, thereby reducing the buffering effect of the buffer component.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a hydraulic valve group, including: a hydraulic valve body; a plurality of first sliding grooves, all of which are opened on the hydraulic valve body, and the opening direction of the first sliding grooves is from the direction of the central axis of the hydraulic valve body to the side walls around the hydraulic valve body; a buffer part, which is installed on the hydraulic valve body and is slidably connected to the first sliding groove, and is used to reduce the impact of the equipment on the hydraulic valve body when the hydraulic valve body is working; a fixing part, which is located on the hydraulic valve body and is used to fix the buffer part when it slides to the two ends of the first sliding groove.

[0007] Preferably, the buffering portion comprises: a plurality of groups of buffering sliding blocks, one group of buffering sliding blocks is respectively installed in each group of first sliding grooves; and a buffering member is installed on the buffering sliding blocks for reducing vibration.

[0008] Preferably, it also includes: a sliding column installed in the first sliding groove; and a through groove opened on the buffer sliding block, which is used to make the buffer sliding block slide along the sliding column during sliding.

[0009] Preferably, the two groups of baffles are located in the first sliding groove, and the two groups of baffles are arranged perpendicular to each other; the central block is located on the two groups of baffles; and the buffer groove is opened on the central block for placing the buffer.

[0010] Preferably, the buffer slider also includes: several groups of snap-in blocks installed on the buffer slider, and only one group of snap-in blocks is installed on each group of buffer sliders on the same side of the hydraulic valve body; several groups of snap grooves are opened on the buffer slider and are configured to cooperate with the snap-in blocks on other hydraulic valve bodies so that the buffer parts of the two groups of hydraulic valve bodies are snapped and fixed.

[0011] Preferably, the fixing part includes: a second sliding groove, which is opened in the first sliding groove; a fixing block, which is installed on the buffer slider and slides in the second sliding groove; a fixing rod, which is installed in the second sliding groove and is configured to engage with the fixing block when the buffer slider slides to both sides of the first sliding groove to fix the buffer slider.

[0012] A hydraulic chain tightener using the valve group is provided with the hydraulic valve group as above.

[0013] Compared with the prior art, the utility model has at least the following beneficial effects: 1. In the above scheme, by setting the first sliding groove, the buffer slider can change its original position along the first sliding groove, so that when the hydraulic valve body needs to be assembled and installed, the buffer slider is moved to the side of the first sliding groove away from the central axis of the hydraulic valve body, and combined with each other, so that the buffer position of the buffer part is moved to the central area of ​​the hydraulic valve group, thereby achieving a better buffering effect.

[0014] 2. By setting a fixing block and a fixing rod, the buffering slide block can be fixed after moving to both ends of the first sliding groove, thereby achieving different buffering effects according to user needs.

[0015] 3. By setting the clamping blocks and the clamping grooves, after the multiple groups of hydraulic valve bodies are spliced ​​together, the buffer parts are also spliced ​​together, which is convenient for controlling the overall center of gravity of the hydraulic valve group, making the hydraulic valve group more stable to install, and preventing the vibration of the equipment from causing the buffer sliders on the two adjacent hydraulic valve bodies to collide with each other and cause damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings, which constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and enable those skilled in the relevant art to make and use the present disclosure.

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a structural schematic diagram of another perspective of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the buffer part in the utility model;

[0020] Figure 4 It is a structural schematic diagram of some components in the utility model.

[0021] [Reference Signs]

[0022] 1. Hydraulic valve body; 2. First sliding groove; 3. Buffer slider; 4. Buffer member; 5. Sliding column; 6. Through groove; 7. Baffle; 8. Center block; 10. Snap-on block; 11. Snap-on groove; 12. Second sliding groove; 13. Fixed block; 14. Fixed rod.

[0023] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments, and the adjustments or modifications made are still included in the scope of the attached claims. DETAILED DESCRIPTION

[0024] The following is a detailed description of a hydraulic valve group and a hydraulic chain tightener using the valve group provided by the utility model in combination with the drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the drawings are only for more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0025] Embodiment 1: Figures 1 to 4 As shown, an embodiment of the utility model provides a hydraulic valve group, including: a hydraulic valve body 1; a plurality of groups of first sliding grooves 2, all of which are opened on the hydraulic valve body 1, and the opening directions of the first sliding grooves 2 are all directed from the central axis direction of the hydraulic valve body 1 to the side walls around the hydraulic valve body 1; a buffer part, which is installed on the hydraulic valve body 1 and is slidably connected to the first sliding grooves 2, and is used to reduce the impact of the equipment on the hydraulic valve body 1 when the hydraulic valve body 1 is working; a fixing part, which is located on the hydraulic valve body 1 and is used to fix the buffer part when it slides to the two ends of the first sliding groove 2.

[0026] like Figures 1 to 4As shown, the buffering part includes: a plurality of groups of buffering sliders 3, each group of first sliding grooves 2 is respectively equipped with a group of buffering sliders 3; and a buffer member 4, which is installed on the buffering sliders 3 and is used to reduce vibration.

[0027] like Figures 1 to 4 As shown, it also includes: a sliding column 5 installed in the first sliding groove 2; a through groove 6 opened on the buffer slider 3, which is used to make the buffer slider 3 slide along the sliding column 5 during sliding.

[0028] like Figures 1 to 4 As shown, two groups of baffles 7 are located in the first sliding groove 2, and the two groups of baffles 7 are arranged perpendicular to each other; a center block 8 is located on the two groups of baffles 7; and a buffer groove is opened on the center block 8 for placing the buffer member 4.

[0029] Embodiment 2: Figures 1 to 4 As shown, the buffer slider 3 also includes: a plurality of groups of snap-fit ​​blocks 10, which are installed on the buffer slider 3, and only one group of snap-fit ​​blocks 10 is installed on each group of buffer sliders 3 on the same side of the hydraulic valve body 1; a plurality of groups of snap grooves 11, which are opened on the buffer slider 3 and are configured to cooperate with the snap-fit ​​blocks 10 on other hydraulic valve bodies 1, so that the buffer parts of the two groups of hydraulic valve bodies 1 are snapped and fixed.

[0030] like Figures 1 to 4 As shown, the fixing portion includes: a second sliding groove 12, which is opened in the first sliding groove 2; a fixing block 13, which is installed on the buffer slider 3 and slides in the second sliding groove 12; a fixing rod 14, which is installed in the second sliding groove 12 and is configured to engage with the fixing block 13 when the buffer slider 3 slides to both sides of the first sliding groove 2, so as to fix the buffer slider 3.

[0031] The hydraulic chain tightener using the valve group is provided with the hydraulic valve group as above; the technical features and technical effects of the hydraulic chain tightener using the valve group of the utility model, except for the hydraulic valve group, are all prior arts, which are well known to practitioners in this industry and will not be repeated here.

[0032] The technical solution provided by the utility model is that after multiple groups of hydraulic valve bodies 1 are assembled and installed together, adjacent buffer sliders 3 on two adjacent groups of hydraulic valve bodies 1 are slid along the sliding column 5 in the first sliding groove 2, so that after the buffer sliders 3 on the two groups of hydraulic valve bodies 1 are close to each other, the clamping block 10 of the buffer slider 3 on one hydraulic valve body is engaged with the clamping groove 11 of the buffer slider 3 on the other hydraulic valve body, and at the same time, when the buffer slider 3 slides to one end in the first sliding groove 2, the fixed block 13 on the buffer slider 3 is engaged with the fixed rod 14 in the second sliding groove 12, so that the buffer slider 3 is fixed at one end of the first sliding groove 2, so that after the multiple groups of hydraulic valve bodies 1 are assembled and installed together, the center of gravity position is always maintained at the center.

[0033] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the above preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A hydraulic valve group, characterized in that: include: Hydraulic valve body (1); A plurality of groups of first sliding grooves (2) are all formed on the hydraulic valve body (1), and the first sliding grooves (2) are formed in a direction from the central axis of the hydraulic valve body (1) to the surrounding side walls of the hydraulic valve body (1); A buffer portion, mounted on the hydraulic valve body (1) and slidably connected to the first sliding groove (2), and used to reduce the impact of the equipment on the hydraulic valve body (1) when the hydraulic valve body (1) is in operation; The fixing portion is located on the hydraulic valve body (1) and is used to fix the buffer portion when it slides to the two ends of the first sliding groove (2).

2. The hydraulic valve assembly according to claim 1, characterized in that: The buffer portion comprises: A plurality of groups of buffer slide blocks (3), wherein a group of buffer slide blocks (3) is respectively installed in each group of first sliding grooves (2); The buffer member (4) is mounted on the buffer slider (3) and is used to reduce vibration.

3. The hydraulic valve assembly according to claim 2, characterized in that: Also includes: A sliding column (5) installed in the first sliding groove (2); The through groove (6) is formed on the buffer slide block (3) and is used to enable the buffer slide block (3) to slide along the slide column (5) during sliding.

4. The hydraulic valve assembly according to claim 2, characterized in that: The buffer slider (3) comprises: Two groups of baffles (7) are located in the first sliding groove (2), and the two groups of baffles (7) are arranged perpendicular to each other; A center block (8) located on the two sets of baffles (7); A buffer groove is provided on the central block (8) and is used for accommodating the buffer member (4).

5. The hydraulic valve assembly according to claim 3, characterized in that: The buffer slider (3) also includes: A plurality of groups of clamping blocks (10) are mounted on the buffer slide block (3), and only one group of clamping blocks (10) is mounted on each group of buffer slide blocks (3) on the same side of the hydraulic valve body (1); A plurality of groups of snap grooves (11) are provided on the buffer slide block (3) and are arranged to cooperate with the snap-fit ​​blocks (10) on the other hydraulic valve bodies (1) so that the buffer parts of the two groups of hydraulic valve bodies (1) are snap-fitted and fixed.

6. The hydraulic valve assembly according to claim 1, characterized in that: The fixing portion comprises: A second sliding groove (12) is disposed in the first sliding groove (2); A fixed block (13) is mounted on the buffer slide block (3) and slides in the second sliding groove (12); The fixing rod (14) is installed in the second sliding groove (12) and is arranged to engage with the fixing block (13) when the buffering sliding block (3) slides to both sides of the first sliding groove (2), so as to fix the buffering sliding block (3).

7. A hydraulic chain tightener using the valve group, characterized in that: The hydraulic chain tensioner using the valve group is provided with a hydraulic valve group as described in any one of claims 1-6.

Images