Safety valve and hydraulic support

Abstract

The utility model relates to the technical field of safety valves, in particular to a safety valve and a hydraulic support, the safety valve comprises a hydraulic support stand column body, a safety valve body, a limiting unit and a protection assembly, the protection assembly comprises two sliding rails, two sliding blocks, two first springs, a protection shell and a baffle, and the safety valve body is fixedly connected with the hydraulic support stand column body; the two sliding rails are fixedly connected with the outer wall of the hydraulic support stand column body, and the two sliding blocks are fixedly connected with the right end of the protection shell. When the safety valve body is used, a protective shell is pulled downwards, the protective shell moves downwards under the cooperation of two sliding rails and two sliding blocks, the protective shell is limited through a limiting unit, and therefore a worker can use or maintain the safety valve body conveniently, through the cooperation of two first springs, the two sliding blocks and the two sliding rails, the protective shell can be rapidly opened, and the safety valve body is convenient to use and maintain. Therefore, workers can conveniently and quickly maintain and use the safety valve body, and the device is easy and quick to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of safety valves, in particular to a safety valve and a hydraulic support. Background Art

[0002] The column safety valve is one of the most important hydraulic components used in the hydraulic system of the hydraulic support. When the force on the column of the hydraulic support increases and the pressure reaches the set pressure value of the safety valve, the safety valve will open, and the pressure liquid in the system will be quickly discharged through the drain hole of the safety valve to release the pressure and achieve the purpose of unloading.

[0003] However, the current hydraulic support column safety valve protection mechanism is too complicated to install, which makes it too troublesome for workers to use the safety valve body. Utility Model Content

[0004] The utility model aims to provide a safety valve and a hydraulic support, which solves the problem that the installation of the safety valve protection mechanism of the hydraulic support column in the prior art is too complicated, which makes it too troublesome for the staff to use the safety valve body.

[0005] To achieve the above-mentioned purpose, the utility model provides a hydraulic support, including a hydraulic support column body, a safety valve body, a limit unit and a protective component, the protective component including two slide rails, two sliders, two first springs, a protective shell and a baffle, the two slide rails are respectively fixedly connected to the outer wall of the hydraulic support column body, the two sliders are respectively fixedly connected to the right end of the protective shell, the two sliders are respectively slidably adapted to the corresponding slide rails, the two ends of the two first springs are respectively fixedly connected to the corresponding sliders and the corresponding inner bottom walls of the slide rails, the baffle is fixedly connected to the outer wall of the hydraulic support column body, and the lower end of the baffle is in contact with the upper end of the protective shell.

[0006] Among them, the limiting unit includes an outer shell, a limiting rod, a second spring, a ring and a limiting plate, the outer shell is fixedly connected to the outer wall of the hydraulic support column body, the limiting plate is fixedly connected to the front end of the protective shell, one end of the limiting rod passes through the outer shell, the ring is fixedly sleeved on the outside of the limiting rod and is located inside the outer shell, and the two ends of the second spring are respectively fixedly connected to the inner wall of the outer shell and the ring.

[0007] Wherein, the limiting unit further includes a handle, and the handle is fixedly connected to the front end of the limiting rod.

[0008] Wherein, the safety valve and hydraulic support further include a shift block, which is fixedly connected to the protective shell and is located at the left end of the protective shell.

[0009] The limiting rod has an inclined surface, the bottom of the protective shell has an opening, and the inclined surface is located at an end of the limiting rod away from the handle.

[0010] The utility model also provides a safety valve, including a safety valve body, two first fixing rings, two second fixing rings and two bolts, wherein the safety valve body is located on the left side of the hydraulic support column body, the two first fixing rings are respectively arranged on both sides of the safety valve body, the two second fixing rings are respectively arranged on the hydraulic support column body and are respectively located on both sides of the safety valve body, and the two bolts are respectively adapted to the corresponding first fixing ring and the corresponding second fixing ring.

[0011] The utility model provides a safety valve and hydraulic support, and it is only necessary to pull the protective shell downward, and with the cooperation of the two slide rails and the two sliders, the protective shell is moved downward, and the protective shell is limited by the limiting unit, so that it is convenient for the staff to use or maintain the safety valve. Through the setting of the protective shell and the baffle, the safety valve is protected and wrapped, so as to prevent foreign objects from colliding with the safety valve, causing damage and overload, and prone to use malfunctions. Through the cooperation of the two first springs, the two sliders and the two slide rails, the protective shell can be quickly opened, so that it is convenient for the staff to quickly maintain and use the safety valve. The device is simple and quick to operate and is convenient for the staff to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is an overall front view of the first embodiment of the utility model.

[0014] Figure 2 The utility model Figure 1 AA line section view.

[0015] Figure 3 The utility model Figure 2 BB line cross-sectional view.

[0016] Figure 4 It is an overall cross-sectional view of the second embodiment of the utility model.

[0017] Figure 5 It is a schematic structural diagram of a protective shell according to a second embodiment of the present utility model.

[0018] 101-hydraulic support column body, 102-safety valve body, 103-shift block, 104-slide rail, 105-slider, 106-first spring, 107-protective shell, 108-baffle, 109-housing, 110-limit rod, 111-second spring, 112-circular ring, 113-limit plate, 114-handle, 115-first fixing ring, 116-second fixing ring, 117-bolt, 201-beveled surface, 202-opening. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] First embodiment:

[0021] See also Figure 1 and Figure 3 ,in, Figure 1 It is an overall front view of the first embodiment of the utility model. Figure 2 The utility model Figure 1 AA line section view, Figure 3 The utility model Figure 2 BB line cross-sectional view.

[0022] The utility model provides a hydraulic support, including a hydraulic support column body 101, a safety valve body 102, a limiting unit, a protection component and a shift block 103, the protection component includes two slide rails 104, two sliders 105, two first springs 106, a protective shell 107 and a baffle 108, and the limiting unit includes an outer shell 109, a limiting rod 110, a second spring 111, a ring 112, a limiting plate 113 and a handle 114.

[0023] According to this specific embodiment, when the safety valve needs to be used, it is only necessary to pull the protective shell 107 downward, and with the cooperation of the two slide rails 104 and the two sliders 105, the protective shell 107 moves downward, and the protective shell 107 is limited by the limiting unit, so as to facilitate the use or maintenance of the safety valve by the staff. Through the setting of the protective shell 107 and the baffle 108, the safety valve is protected and wrapped, so as to prevent foreign objects from colliding with the safety valve, causing damage and overload, which is prone to use failures.

[0024] Among them, the two slide rails 104 are respectively fixedly connected to the outer wall of the hydraulic support column body 101, the two sliders 105 are respectively fixedly connected to the right end of the protective shell 107, the two sliders 105 are respectively slidably adapted to the corresponding slide rails 104, the two ends of the two first springs 106 are respectively fixedly connected to the corresponding sliders 105 and the corresponding inner bottom walls of the slide rails 104, the baffle 108 is fixedly connected to the outer wall of the hydraulic support column body 101, and the lower end of the baffle 108 is in contact with the upper end of the protective shell 107. When the safety valve needs to be used, it is only necessary to pull the protective shell 107 downwards. With the cooperation of the two slide rails 104 and the two sliders 105, the protective shell 107 moves downwards, and the protective shell 107 is limited by the limiting unit, so as to facilitate the use or maintenance of the safety valve by the staff. Through the setting of the protective shell 107 and the baffle 108, the safety valve is protected and wrapped, so as to prevent foreign objects from colliding with the safety valve, causing damage and overload, which is prone to use failures.

[0025] Secondly, the outer shell 109 is fixedly connected to the outer wall of the hydraulic support column body 101, the limit plate 113 is fixedly connected to the front end of the protective shell 107, one end of the limit rod 110 passes through the outer shell 109, the ring 112 is fixedly sleeved on the outside of the limit rod 110 and is located inside the outer shell 109, and the two ends of the second spring 111 are fixedly connected to the inner wall of the outer shell 109 and the ring 112 respectively. When the protective shell 107 moves downward, the limit rod 110 is pulled first. When the limit plate 113 moves to the bottom of the limit rod 110, the limit rod 110 is released. Under the elastic force of the second spring 111, the limit rod 110 is abutted against the upper end of the limit plate 113, thereby limiting and fixing the protective shell 107, which is convenient for the staff to observe and maintain the safety valve body 102. When the safety valve body 102 needs to be protected again, the staff only needs to pull the limit rod 110 again to make the limit rod 110 and the limit plate 113 lose the abutment state, and then under the elastic force of the two first springs 106, the protective shell 107 is pushed to move upward again and contact with the baffle 108, thereby achieving the effect of wrapping the safety valve body 102.

[0026] At the same time, the handle 114 is fixedly connected to the front end of the limiting rod 110. Through the setting of the handle 114, it is more convenient for the staff to pull the limiting rod 110 through the handle 114, thereby improving the convenience of the device.

[0027] In addition, the shift block 103 is fixedly connected to the protective shell 107 and is located at the left end of the protective shell 107. The setting of the shift block 103 facilitates the staff to move the protective shell 107 through the shift block 103, thereby improving the convenience of the device.

[0028] When using the safety valve and hydraulic support of the utility model, the two bolts 117 penetrate the corresponding first fixing ring 115 and the corresponding second fixing ring 116 respectively, so as to fix the safety valve body 102 on the left side of the hydraulic support column body 101, and the safety valve body 102 is communicated with the hydraulic support column body 101 and is located inside the protective shell 107, and is wrapped and protected by the protective shell 107 and the baffle 108. When the safety valve body 102 needs to be used, it is only necessary to pull the protective shell 107 downward, and with the cooperation of the two slide rails 104 and the two sliders 105, the protective shell 107 moves downward, and then pull the limiting rod 110. When the limiting plate 113 moves to the bottom of the limiting rod 110, the limiting rod 110 is released. Under the elastic force of the second spring 111, the limiting rod 110 is abutted against the upper end of the limiting plate 113, thereby the protective shell 107 is pressed against the upper end of the limiting plate 113. 07 is limited and fixed, so that it is convenient for the staff to observe and maintain the safety valve body 102. When the safety valve body 102 needs to be protected again, the staff only needs to pull the limit rod 110 again to make the limit rod 110 and the limit plate 113 lose the abutment state, and then under the elastic force of the two first springs 106, the protective shell 107 is pushed to move upward again and contact with the baffle 108, so as to achieve the effect of wrapping and protecting the safety valve body 102. Through the setting of the protective shell 107 and the baffle 108, the safety valve body 102 is protected and wrapped, so as to prevent foreign objects from colliding with the safety valve body 102, causing it to be damaged and overloaded, and prone to use failures. Through the cooperation of the two first springs 106, the two sliders 105 and the two slide rails 104, the protective shell 107 can be quickly opened, so that it is convenient for the staff to quickly maintain and use the safety valve body 102.

[0029] Second embodiment:

[0030] Based on the first embodiment, please refer to Figure 4 and Figure 5 ,in, Figure 4 is a cross-sectional view of the entirety of the second embodiment of the present utility model, Figure 5 It is a schematic structural diagram of a protective shell 107 according to a second embodiment of the present invention.

[0031] The utility model provides a hydraulic support, wherein the limiting rod 110 has a chamfered surface 201 , and the bottom of the protective shell 107 has an opening 202 .

[0032] With respect to this specific embodiment, by setting the beveled surface 201, when the protective shell 107 and the limit plate 113 move downward, the staff does not need to manually pull the limit rod 110 to move, but only needs to squeeze the beveled surface 201 through the lower end of the limit plate 113, so as to achieve the effect of pushing the limit rod 110 to move, and then when the limit plate 113 moves to the bottom of the limit rod 110, under the elastic force of the second spring 111, the limit rod 110 will return to its original position, thereby abutting against the limit plate 113, thereby reducing the operating process steps of the staff, and by setting the opening 202, when the safety valve body 102 opens the drain hole to discharge liquid, the liquid flows down through the opening 202 to prevent the liquid from accumulating in the protective shell 107.

[0033] The limiting rod 110 has a chamfered surface 201 , and the bottom of the protective shell 107 has an opening 202 . The chamfered surface 201 is located at an end of the limiting rod 110 away from the handle 114 . By setting the beveled surface 201, when the protective shell 107 and the limit plate 113 move downward, the staff does not need to manually pull the limit rod 110 to move, but only needs to squeeze the beveled surface 201 through the lower end of the limit plate 113, so as to achieve the effect of pushing the limit rod 110 to move, and then when the limit plate 113 moves to the bottom of the limit rod 110, under the elastic force of the second spring 111, the limit rod 110 will return to its original position, thereby abutting against the limit plate 113, thereby reducing the operating process steps of the staff, and by setting the opening 202, when the safety valve body 102 opens the drain hole to discharge liquid, the liquid flows down through the opening 202 to prevent the liquid from accumulating in the protective shell 107.

[0034] When using the safety valve and hydraulic support of the utility model, through the setting of the beveled surface 201, when the protective shell 107 and the limit plate 113 move downward, the staff does not need to manually pull the limit rod 110 to move, but only needs to squeeze the beveled surface 201 through the lower end of the limit plate 113, so as to achieve the effect of pushing the limit rod 110 to move, and then when the limit plate 113 moves to the bottom of the limit rod 110, under the elastic force of the second spring 111, the limit rod 110 will return to its original position, thereby abutting against the limit plate 113, thereby reducing the operating process steps of the staff, and through the setting of the opening 202, when the safety valve body 102 opens the drain hole to discharge liquid, the liquid flows down through the opening 202 to prevent the liquid from accumulating in the protective shell 107.

[0035] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A hydraulic support, characterized in that: It includes a hydraulic support column body, a limit unit and a protection component; The protection component includes two slide rails, two sliders, two first springs, a protective shell and a baffle. The two slide rails are respectively fixedly connected to the outer wall of the hydraulic support column body, the two sliders are respectively fixedly connected to the right end of the protective shell, the two sliders are respectively slidably adapted to the corresponding slide rails, the two ends of the two first springs are respectively fixedly connected to the corresponding sliders and the corresponding inner bottom walls of the slide rails, the baffle is fixedly connected to the outer wall of the hydraulic support column body, and the lower end of the baffle is in contact with the upper end of the protective shell.

2. The hydraulic support according to claim 1, characterized in that: The limiting unit includes an outer shell, a limiting rod, a second spring, a ring and a limiting plate. The outer shell is fixedly connected to the outer wall of the hydraulic support column body, the limiting plate is fixedly connected to the front end of the protective shell, one end of the limiting rod passes through the outer shell, the ring is fixedly sleeved on the outside of the limiting rod and is located inside the outer shell, and the two ends of the second spring are fixedly connected to the inner wall of the outer shell and the ring respectively.

3. The hydraulic support according to claim 2, characterized in that: The limiting unit also includes a handle, and the handle is fixedly connected to the front end of the limiting rod.

4. The hydraulic support according to claim 3, characterized in that: The hydraulic support further comprises a shifting block, which is fixedly connected to the protective shell and is located at the left end of the protective shell.

5. The hydraulic support according to claim 4, characterized in that: The limiting rod is provided with an inclined surface, the bottom of the protective shell is provided with an opening, and the inclined surface is located at an end of the limiting rod away from the handle.

6. A safety valve, using the hydraulic support as claimed in claim 5, characterized in that: It includes a safety valve body, two first fixing rings, two second fixing rings and two bolts. The safety valve body is located on the left side of the hydraulic support column body. The two first fixing rings are respectively arranged on both sides of the safety valve body. The two second fixing rings are respectively arranged on the hydraulic support column body and are respectively located on both sides of the safety valve body. The two bolts are respectively adapted to the corresponding first fixing rings and the corresponding second fixing rings.

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