CN214577098U - Hydraulic support stand protection relief valve - Google Patents
Hydraulic support stand protection relief valve Download PDFInfo
- Publication number
- CN214577098U CN214577098U CN202120535777.3U CN202120535777U CN214577098U CN 214577098 U CN214577098 U CN 214577098U CN 202120535777 U CN202120535777 U CN 202120535777U CN 214577098 U CN214577098 U CN 214577098U
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- safety valve
- protection safety
- fixture block
- hydraulic mount
- relief valve
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Abstract
The utility model discloses a hydraulic support stand protection relief valve, including electric putter, the connection cover, a piston, the feed inlet, the discharge gate, a filter core, torque spring, a switch, fixing device and power cord, this hydraulic support stand protection relief valve is through having set up fixing device, it makes the dwang drive take-up reel rotate to rotate the knob, later make the driving rope pull up the chuck under the fixed of pulley, can install or dismantle this moment, it is inconvenient when being connected with the outside to have solved current relief valve, often adopt bolt locking one by one, the lower problem of efficiency is dismantled in the installation, through having set up the stopper, when the fixture block removed, can be through the spacing of stopper, increase sliding stability, make it be difficult for droing.
Description
Technical Field
The utility model relates to a hydraulic support field of relevance specifically is a hydraulic support stand protection relief valve.
Background
The hydraulic support is a structure used for controlling the mine pressure of a coal face, the mine pressure of the coal face acts on the hydraulic support in an external load mode, and in a mechanical system in which the hydraulic support and surrounding rock of the coal face interact, if the resultant force of all supporting pieces of the hydraulic support and the resultant force of the external load of a top plate acting on the hydraulic support are exactly in the same straight line, the hydraulic support is very suitable for the surrounding rock of the coal face.
In the hydraulic support use, its inside stand need use the protection relief valve to protect to increase hydraulic oil stability, need change when the filter core live time overlength, nevertheless current relief valve is inconvenient when being connected with the outside, often adopts the bolt locking one by one, and the installation is dismantled efficiently and is lower.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above insufficiency, the utility model provides a hydraulic support stand protection relief valve here.
The utility model is realized by constructing a hydraulic support column protection safety valve, which comprises an electric push rod, the bottom of the electric push rod is locked with a connecting cover through a bolt, the middle part of the lower end of the electric push rod is connected with a piston, the right side and the lower end of the connecting cover are respectively connected with a feed inlet and a discharge outlet, the bottom of the discharge outlet is connected with a filter element, the inner side of the filter element is tightly wound with a torsion spring, the bottom of the filter element is provided with a fixing device, the fixing device consists of a fixing column, a knob, a rotating rod, a take-up reel, a transmission rope, a pulley and a clamping mechanism, the top of the fixing column is connected with the filter element, the rear part of the knob is rotationally matched with the filter element through the rotating rod, the middle part of the rotating rod is fixed with the take-up reel, the top of the transmission rope is connected with the take-up reel, and the middle part of the transmission rope is slidably matched with the filter element through the pulley, the clamping mechanism is arranged inside the fixing column.
Preferably, a switch is arranged on the right side of the electric push rod, the right side of the switch is tightly extended by a power line, and the electric push rod is electrically connected with the power line through the switch.
Preferably, the clamping mechanism comprises a clamping block, a limiting block, a telescopic rod and a spring, wherein the clamping block is subjected to arc welding with the limiting block at the upper end and the lower end, the two ends of the telescopic rod are respectively connected with the clamping block and the fixing column, the spring is tightly wound on the middle part of the telescopic rod, and the clamping block is connected with the bottom of the transmission rope.
Preferably, the fixing means are provided in two, and the two fixing means are installed to be symmetrical to each other.
Preferably, the length of the fixed column is 3cm, and the fixed column and the filter element are arranged perpendicular to each other.
Preferably, the surface of the knob is provided with anti-skid grains, and each anti-skid grain is arranged at equal distance.
Preferably, the transmission ropes are arranged in a staggered manner, and the two transmission ropes are the same in length.
Preferably, the pulley is provided with two pulleys, and the installation angles of the two pulleys are opposite.
Preferably, the left side of the clamping block is arc-shaped, and the left side of the clamping block inclines at an angle of 45 degrees.
Preferably, the limiting block is made of stainless steel.
The utility model has the advantages of as follows: the utility model discloses an improve and provide a hydraulic support stand protection relief valve here, compare with equipment of the same type, have following improvement:
the method has the advantages that: a hydraulic support stand protection relief valve, through having set up fixing device, rotate the knob and make the dwang drive the take-up reel and rotate, later make the driving rope fold up at the fixed lower movable block of pulley, can install or dismantle this moment, it is inconvenient when being connected with the outside to have solved current relief valve, often adopts the bolt locking one by one, the lower problem of efficiency is dismantled in the installation.
The method has the advantages that: a hydraulic support stand protection relief valve, through having set up the stopper, when the fixture block removed about, can increase the sliding stability through the spacing of stopper, makes it be difficult for droing.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic front view of the piston of the present invention;
fig. 3 is a schematic view of the front view structure of the fixing device of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 according to the present invention;
fig. 5 is a schematic view of the clamping mechanism of the present invention.
In the figure: the device comprises an electric push rod-1, a connecting cover-2, a piston-3, a feed inlet-4, a discharge outlet-5, a filter element-6, a torsion spring-7, a switch-8, a fixing device-9, a power line-10, a fixing column-91, a knob-92, a rotating rod-93, a take-up reel-94, a transmission rope-95, a pulley-96, a clamping mechanism-97, a clamping block-971, a limiting block-972, a telescopic rod-973 and a spring-974.
Detailed Description
The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a hydraulic support stand column protection safety valve through the improvement, including electric putter 1, electric putter 1 bottom and connecting cover 2 are locked through the bolt, and electric putter 1 lower extreme middle part is connected with piston 3, connecting cover 2 right side and lower extreme are connected with feed inlet 4 and discharge gate 5 respectively, discharge gate 5 bottom is connected with filter core 6, filter core 6 inboard is closely twined torsion spring 7, filter core 6 bottom is provided with fixing device 9, fixing device 9 comprises fixed column 91, knob 92, dwang 93, take-up reel 94, driving rope 95, pulley 96 and clamping mechanism 97, the top of fixed column 91 is connected with filter core 6, the rear portion of knob 92 is through dwang 93 with filter core 6 normal running fit, dwang 93 middle part is fixed with take-up reel 94, the top of driving rope 95 is connected with take-up reel 94, and the middle part of driving rope 95 is through pulley 96 and filter core 6 sliding fit, the position-locking mechanism 97 is disposed inside the fixing post 91.
Further, a switch 8 is arranged on the right side of the electric push rod 1, a power line 10 tightly extends into the right side of the switch 8, and the electric push rod 1 is electrically connected with the power line 10 through the switch 8.
Furthermore, the clamping mechanism 97 is composed of a fixture block 971, a limiting block 972, a telescopic rod 973 and a spring 974, the upper end and the lower end of the fixture block 971 are in arc welding with the limiting block 972, the two ends of the telescopic rod 973 are respectively connected with the fixture block 971 and the fixing column 91, the spring 974 is tightly wound on the middle portion of the telescopic rod 973, and the fixture block 971 is connected with the bottom of the transmission rope 95.
Further, the number of the fixing devices 9 is two, and the two fixing devices 9 are symmetrically arranged with each other, so that the fixing is better performed.
Further, the length of the fixing column 91 is 3cm, and the fixing column 91 and the filter element 6 are perpendicular to each other, so that the fixing column can be installed better.
Furthermore, the surface of the knob 92 is provided with anti-skid grains, and each anti-skid grain is arranged at equal distance, so that a good anti-skid effect is achieved.
Further, the transmission ropes 95 are staggered with each other, and the two transmission ropes 95 have the same length, so that transmission can be performed well.
Further, the pulleys 96 are provided in two, and the installation angles of the two pulleys 96 are opposite, so that the transmission rope 95 can be well fixed.
Furthermore, the left side of the fixture block 971 is arc-shaped, and the left side of the fixture block 971 is inclined at an angle of 45 degrees, so that a good clamping effect is achieved.
Furthermore, the limiting block 972 is made of stainless steel and is not prone to rusting.
The utility model provides a hydraulic support column protection safety valve through improvement, and the working principle is as follows;
firstly, after a power line 10 is connected, a switch 8 is used for starting the equipment, an electric push rod 1 drives a piston 3 in a connecting cover 2 to move upwards, so that hydraulic oil enters through a feeding hole 4 and then falls down from a discharging hole 5, the flow stability is increased by the inner side lines of a filter element 6 after falling down, and meanwhile, a torsion spring 7 reduces the torsion wave power in the high-flow hydraulic oil so as to enable the high-flow hydraulic oil to stably flow out;
secondly, the knob 92 is rotated to enable the rotating rod 93 to drive the take-up reel 94 to rotate, then the driving rope 95 is enabled to pull the clamping block 971 to be folded under the fixation of the pulley 96, and at the moment, the fixing column 91 can be inserted or pulled out for installation or disassembly;
thirdly, when the fixture block 971 moves left and right, the sliding stability can be increased by limiting the limiting block 972, so that the fixture block is not easy to fall off, the spring 974 plays a good reset role, and the telescopic rod 973 is used for fixing the spring 974.
The utility model discloses an improvement provides a hydraulic support stand protection relief valve, through having set up fixing device 9, it makes dwang 93 drive take-up reel 94 to rotate knob 92, later make driving rope 95 pull down the fixed pull-up of pulley 96 and pull up card 971, can install or dismantle this moment, it is inconvenient when being connected with the outside to have solved current relief valve, often adopt bolt locking one by one, the lower problem of efficiency is dismantled in the installation, through having set up stopper 972, when moving about card block 971, can be through the spacing of stopper 972, increase sliding stability, make it be difficult for droing.
The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A hydraulic support column protection safety valve comprises an electric push rod (1), wherein the bottom of the electric push rod (1) is locked with a connecting cover (2) through a bolt, the middle part of the lower end of the electric push rod (1) is connected with a piston (3), the right side and the lower end of the connecting cover (2) are respectively connected with a feeding hole (4) and a discharging hole (5), the bottom of the discharging hole (5) is connected with a filter element (6), and a torsion spring (7) is tightly wound on the inner side of the filter element (6); the method is characterized in that: still include fixing device (9), filter core (6) bottom is provided with fixing device (9), fixing device (9) comprise fixed column (91), knob (92), dwang (93), take-up reel (94), driving rope (95), pulley (96) and screens mechanism (97), fixed column (91) top is connected with filter core (6), dwang (93) and filter core (6) normal running fit are passed through to knob (92) rear portion, dwang (93) middle part is fixed with take-up reel (94), driving rope (95) top is connected with take-up reel (94) to pulley (96) and filter core (6) sliding fit are passed through to driving rope (95) middle part, screens mechanism (97) set up inside fixed column (91).
2. The hydraulic mount pillar protection safety valve of claim 1, wherein: the switch (8) is arranged on the right side of the electric push rod (1), the right side of the switch (8) is tightly extended into the switch by a power line (10), and the electric push rod (1) is electrically connected with the power line (10) through the switch (8).
3. The hydraulic mount pillar protection safety valve of claim 1, wherein: screens mechanism (97) comprise fixture block (971), stopper (972), telescopic link (973) and spring (974), arc welding is carried out with stopper (972) in both ends about fixture block (971), telescopic link (973) both ends are connected with fixture block (971) and fixed column (91) respectively, spring (974) closely twine and telescopic link (973) middle part, fixture block (971) is connected with driving rope (95) bottom.
4. The hydraulic mount pillar protection safety valve of claim 1, wherein: the number of the fixing devices (9) is two, and the two fixing devices (9) are symmetrically arranged.
5. The hydraulic mount pillar protection safety valve of claim 1, wherein: the length of the fixing column (91) is 3cm, and the fixing column (91) and the filter element (6) are arranged perpendicularly to each other.
6. The hydraulic mount pillar protection safety valve of claim 1, wherein: the surface of the knob (92) is provided with anti-skid grains, and each anti-skid grain is arranged at equal distance.
7. The hydraulic mount pillar protection safety valve of claim 1, wherein: the transmission ropes (95) are arranged in a mutually staggered mode, and the lengths of the two transmission ropes (95) are the same.
8. The hydraulic mount pillar protection safety valve of claim 1, wherein: the pulley (96) is provided with two pulleys, and the installation angles of the two pulleys (96) are opposite.
9. The hydraulic mount pillar protection safety valve of claim 3, wherein: the left side of the fixture block (971) is arc-shaped, and the left side of the fixture block (971) has an inclination angle of 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120535777.3U CN214577098U (en) | 2021-03-12 | 2021-03-12 | Hydraulic support stand protection relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120535777.3U CN214577098U (en) | 2021-03-12 | 2021-03-12 | Hydraulic support stand protection relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214577098U true CN214577098U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120535777.3U Active CN214577098U (en) | 2021-03-12 | 2021-03-12 | Hydraulic support stand protection relief valve |
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| Country | Link |
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| CN (1) | CN214577098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114524010A (en) * | 2022-02-22 | 2022-05-24 | 国家电网有限公司 | Electric power security fence stacking and transporting trolley |
-
2021
- 2021-03-12 CN CN202120535777.3U patent/CN214577098U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114524010A (en) * | 2022-02-22 | 2022-05-24 | 国家电网有限公司 | Electric power security fence stacking and transporting trolley |
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