CN217376013U - Servo frame and mechanical-hydraulic servo control system thereof - Google Patents
Servo frame and mechanical-hydraulic servo control system thereof Download PDFInfo
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- CN217376013U CN217376013U CN202121541865.0U CN202121541865U CN217376013U CN 217376013 U CN217376013 U CN 217376013U CN 202121541865 U CN202121541865 U CN 202121541865U CN 217376013 U CN217376013 U CN 217376013U
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Abstract
The utility model relates to a servo-actuated mechanism and machine liquid servo control system thereof, this servo-actuated mechanism are applied to every single move formula cantilever belt feeder, the cantilever belt feeder including fixed set up at a fixed beam of a supporting beam one side, articulate in a cantilever beam of a supporting beam opposite side, set up first belt support on the fixed beam and set up the second belt support on the cantilever beam, this servo-actuated mechanism include one end with first belt support is articulated, the other end with second belt support sliding connection's follow-up frame. When the tail of the cantilever belt conveyor is prevented from facing upward by a certain angle through the follow-up frame, the distance between the belt and the belt support is too large, so that the support effect is lost, and the material scattering on the two sides of the belt is serious.
Description
Technical Field
The utility model relates to a mechanical transmission technical field especially relates to a servo mechanism and quick-witted liquid servo control system thereof.
Background
The bucket-wheel stacker reclaimer is a large-scale loading and unloading device with high efficiency and continuous operation, and is suitable for bulk material storage yards in ports, large and medium-sized thermal power plants, metallurgical enterprises and other industries to stack and reclaim materials.
The cantilever belt conveyor is a core operation part of the bucket-wheel stacker-reclaimer, and the cantilever belt conveyor is various in form so as to realize the operation of the bucket-wheel stacker-reclaimer to different stacking and reclaiming processes. Wherein half every single move formula cantilever belt feeder is installed on fixed L roof beam bucket wheel stacker-reclaimer, realizes that the cantilever belt is in the material transport function under the different state of every single move. When material operation is piled to fixed L roof beam bucket wheel machine, the cantilever need be according to the operation operating mode transform not co-altitude, and when cantilever belt conveyer afterbody faced upward certain angle, the too big effect of strutting that loses of belt and belt support distance leads to the belt both sides to spill the material seriously.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art, the utility model aims at providing a servo mechanism and quick-witted liquid servo control system thereof can provide better strutting for the belt, avoids the belt both sides to spill the material.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the follow-up mechanism is applied to a pitching type cantilever belt conveyor, the cantilever belt conveyor comprises a fixed beam fixedly arranged on one side of a supporting beam, a cantilever beam hinged on the other side of the supporting beam, a first belt support arranged on the fixed beam and a second belt support arranged on the cantilever beam, and the follow-up mechanism comprises a follow-up frame, wherein one end of the follow-up frame is hinged with the first belt support, and the other end of the follow-up frame is slidably connected with the second belt support.
The lifting device is arranged between the follow-up frame and the cantilever beam, and is used for adjusting the degree of fit between the follow-up frame and the belt, when the cantilever beam tilts upwards, the lifting device raises the height of the follow-up frame to fit the belt, and when the cantilever beam returns to the horizontal state from the upward-tilting state, the lifting device lowers the height of the follow-up frame to fit the belt.
Furthermore, the lifting device is a lifting oil cylinder, one end of the lifting oil cylinder is hinged with the cantilever beam, and the other end of the lifting oil cylinder is hinged with the follow-up frame.
Furthermore, a hinge point is arranged on the follow-up frame, the follow-up frame is divided into two sections which are hinged with each other through the hinge point, and the lifting oil cylinder is hinged at the hinge point.
The detection device is arranged between the support beam and the cantilever beam, is positioned at the hinged position of the cantilever beam and the support beam and is used for detecting the angle between the support beam and the cantilever beam; the detection device is linked with the lifting device, and when the detection device detects that the angle between the supporting beam and the cantilever beam is gradually reduced, the detection device controls the lifting device to drive the follow-up frame to rise in a linkage manner; when the detection device detects that the angle between the supporting beam and the cantilever beam is gradually increased, the detection device controls the lifting device to drive the follow-up frame to be lowered in a linkage manner; the detection device is a detection oil cylinder, the detection oil cylinder is linked with the lifting oil cylinder, the detection oil cylinder is located at a position close to the hinged position of the cantilever beam and the supporting beam, one end of the detection oil cylinder is hinged on the supporting beam, the other end of the detection oil cylinder is hinged on the cantilever beam, and a rodless cavity of the detection oil cylinder is communicated with a rodless cavity of the lifting oil cylinder.
And the rodless cavity of the lifting oil cylinder and the rodless cavity of the detection oil cylinder are communicated with the energy accumulator, and the energy accumulator is fixed on the cylinder body of the detection oil cylinder.
The mechanical-hydraulic servo control system of the servo mechanism comprises a hydraulic pump, wherein the hydraulic pump supplies hydraulic oil in an oil tank to a detection oil cylinder, a lifting oil cylinder and an energy accumulator and is used for adjusting the oil quantity and pressure of an oil circuit formed by the detection oil cylinder, the lifting oil cylinder and the energy accumulator.
Further, the hydraulic pump is respectively connected with the rodless cavities of the detection oil cylinder and the lifting oil cylinder through pipelines, and the pipelines are also connected with pressure gauges for detecting the pressure of the pipelines; the accumulator is disposed on the pipeline.
Furthermore, a first check valve is arranged between the hydraulic pump and the pipeline, and a second check valve is arranged between the pressure gauge and the pipeline.
Furthermore, the supporting beam is a door-shaped structural beam arranged on the bucket-wheel stacker-reclaimer, the first belt bracket, the second belt bracket and the follow-up frame are all provided with groove-shaped carrier rollers, the groove-shaped carrier rollers are used for supporting a belt, and the groove-shaped carrier rollers are attached to the belt to form a groove-shaped material carrying surface.
Compared with the prior art, the utility model beneficial effect be:
the utility model provides a servo mechanism is applied to every single move formula cantilever belt feeder, the cantilever belt feeder includes fixed setting at a fixed beam of a supporting beam one side, articulate in the cantilever beam of a supporting beam opposite side, set up first belt support on the fixed beam and set up the second belt support on the cantilever beam, servo mechanism include one end with first belt support is articulated, the other end with second belt support sliding connection's follow-up frame. When the tail part of the cantilever belt conveyor is prevented from facing upward at a certain angle by arranging the follow-up frame, the distance between the belt and the belt support is too large, so that the support effect is lost, and the material scattering at two sides of the belt is serious.
Drawings
Fig. 1 is a schematic view of a state of a cantilever beam in an upward pitching position according to an embodiment of the present invention;
fig. 2 is a schematic view of a state of the cantilever beam in the pitching down position according to the embodiment of the present invention;
fig. 3 is a hydraulic schematic diagram of a effusion servo control system of the servo mechanism of the embodiment of the present invention.
In the figure: 1. a supporting beam, 2, the cantilever beam, 3, the fixed beam, 4, the belt support frame, 4.1, first belt support, 4.2, the follower frame, 4.3, the second belt support, 5, the bearing roller, 6, first pivot, 7, first round pin axle, 8, the pulley, 9, lift cylinder, 10, detect the hydro-cylinder, 11, the second round pin axle, 12, the pipeline, 13, the energy storage ware, 14, the belt, 15, first fixing base, 16, the second fixing base, 17, the hydraulic pump, 18, the manometer, 19, first check valve, 20, the second check valve, 21, the oil tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
A follow-up mechanism is applied to a pitching type cantilever belt conveyor, the pitching type cantilever belt conveyor is arranged on a stacker-reclaimer in a pitching manner through an L-shaped support beam 1, and the support beam 1 is preferably of a door-shaped structure; the supporting beam 1 is provided with a pitching mechanism, one end of the pitching mechanism is connected with the L-shaped supporting beam 1, the other end of the pitching mechanism is connected with the cantilever beam 2 of the cantilever belt conveyor, and the cantilever beam 2 is controlled to perform pitching motion.
The cantilever belt conveyor comprises a fixed beam 3 fixedly arranged on one side of a supporting beam 1, a cantilever beam 2 hinged on the other side of the supporting beam 1, a first belt support 4.1 arranged on the fixed beam 3 and a second belt support 4.3 arranged on the cantilever beam 2, wherein a follow-up mechanism is arranged between the first belt support 4.1 and the second belt support 4.3, and comprises a follow-up frame 4.2, one end of the follow-up frame is hinged with the first belt support 4.1, and the other end of the follow-up frame is in sliding connection with the second belt support 4.3. Specifically, the cantilever beam 2 is hinged to one side of the supporting beam 1 through a first rotating shaft 6, the driven frame 4.2 is arranged at a position close to the hinged position of the cantilever beam 2 and the supporting beam 1, the first belt support 4.1, the second belt support 4.3 and the driven frame 4.2 are all provided with a plurality of groove-shaped carrier rollers 5, and the groove-shaped carrier rollers 5 are used for supporting the belt 14. When the belt conveyor is used, the groove-shaped carrier roller 5 is attached to the belt 14 to form a groove-shaped material carrying surface. In the present embodiment, the first belt support 4.1, the follower 4.2, and the second belt support 4.3 are sequentially arranged to form the belt support frame 4.
Specifically, one end of the follow-up frame 4.2 is hinged to the first belt support 4.1 through a first pin shaft 7, the other end of the follow-up frame is provided with a pulley 8, a slide matched with the pulley 8 is arranged on the second belt support 4.3, and the follow-up frame 4.2 is matched with the slide arranged on the second belt support 4.3 through the pulley 8 arranged at one end of the follow-up frame 4.2, so that the sliding connection between the follow-up frame 4.2 and the second belt support 4.3 is realized. Preferably, the slideway is of a groove type. It should be noted that the follower frame 4.2 may also be slidably connected through a slide block disposed at one end thereof and a slide rail disposed at one end of the second belt bracket 4.3. Above-mentioned technical scheme has given 14 fine timbering of belt through setting up follow-up frame 4.2, avoid being located 14 both sides of belt and spilling the material, when cantilever beam 2 upwards pitch up certain angle, second belt bracket 4.3 then pitches up certain angle, follow-up frame 4.2 uses first round pin axle 7 to pitch up as the axle, pulley 8 on the follow-up frame 4.2 slides to the one side that is close to second belt bracket 4.3, wherein follow-up frame 4.2 angles of pitch up are less than the angle that second belt bracket 4.3 pitch up, thereby the realization is to carrying out level and smooth strutting to belt 14 that is in follow-up frame 4.2 top, avoid 14 both sides of belt to spill the material, especially avoid being located 14 both sides of belt 14 that cantilever beam 2 and a supporting beam 1's articulated department to spill the material.
However, the following frame 4.2 still has the situation that the following frame cannot be completely attached to the belt 14 in the using process, particularly when the following frame 4.2 is provided with the groove-shaped carrier roller 5, in order to make the groove-shaped carrier roller 5 of the following frame 4.2 completely attached to the belt 14 and make the belt 14 form a groove-shaped loading surface, a lifting device is arranged between the following frame 4.2 and the cantilever beam 2 and used for adjusting the attaching degree of the following frame 4.2 and the belt 14. When the belt conveyor is used, the follow-up frame 4.2 can be driven by the lifting device to approach the belt 14 and support the belt 14, so that the follow-up frame 4.2 is completely attached to the belt 14. Specifically, when the cantilever beam 2 tilts up, the lifting device raises the height of the follow-up frame 4.2 to enable the follow-up frame 4.2 to be attached to the belt 14, and when the cantilever beam 2 returns to be horizontal from the tilting-up state, the lifting device lowers the height of the follow-up frame 4.2 to enable the follow-up frame 4.2 to be attached to the belt 14.
It should be noted that the lifting device may be a hydraulic driving mechanism, such as an oil cylinder device or an electro-hydraulic push rod device, or may be a pneumatic driving mechanism, such as an air cylinder provided with a piston rod, one end of the air cylinder is hinged to the following frame 4.2, and the other end of the air cylinder is hinged to the cantilever beam 2.
The lifting device in this embodiment is a lifting cylinder 9, one end of the lifting cylinder 9 is hinged to the cantilever beam 2, and the other end of the lifting cylinder 9 is hinged to the follower frame 4.2, a hinge point is arranged on the follower frame 4.2 in this embodiment, the follower frame 4.2 is divided into two sections hinged to each other by the hinge point, and a piston rod of the lifting cylinder 9 is hinged to the hinge point. Specifically, the lift cylinder 9 in this embodiment is a single-piston rod hydraulic cylinder provided with an ear ring, and is preferably an HSG-63/36 type engineering cylinder. According to the technical scheme, the hinge point is arranged on the follow-up frame 4.2, the lifting oil cylinder 9 is hinged to the hinge point of the follow-up frame 4.2, and when the cantilever beam 2 is tilted upwards, the piston rod of the lifting oil cylinder 9 extends out to drive the follow-up frame 4.2 to be attached to the belt 14, so that the belt 14 forms a groove-shaped material carrying surface. The lift cylinder 9 in the present embodiment may be a hydraulic cylinder capable of reciprocating, for example, a ram cylinder.
In order to ensure that the lifting device can automatically adjust the fit degree of the follow-up frame 4.2 and the belt 14 along with the pitching motion of the cantilever beam 2, the application also provides that the follow-up mechanism is also provided with a detection device which is positioned close to the hinged position of the cantilever beam 2 and the supporting beam 1, used for detecting the angle between the supporting beam 1 and the cantilever beam 2, the detecting device is connected with the lifting device in a driving way, and can control the lifting of the lifting device according to the detected change of the angle, when the detection device detects that the angle is gradually increased, the lifting device performs descending action to drive the follow-up frame 4.2 to descend, when the angle detected by the detection device is gradually reduced, the lifting device performs lifting action to drive the follow-up frame 4.2 to lift, the detection device is a detection oil cylinder 10, and preferably, the detection oil cylinder 10 is a piston type hydraulic oil cylinder; one end of a detection oil cylinder 10 is hinged on the supporting beam 1, the other end of the detection oil cylinder is hinged on the cantilever beam 2, and the detection oil cylinder 10 is arranged at a position close to a hinge point of the cantilever beam 2 and the supporting beam 1; the rodless cavity of the detection oil cylinder 10 is communicated with the rodless cavity of the lifting oil cylinder 9, and specifically, the rodless cavity of the detection oil cylinder 10 is connected with the rodless cavity of the lifting oil cylinder 9 through a pipeline 12, so that the linkage of the detection oil cylinder 10 and the lifting oil cylinder 9 is realized.
The detection oil cylinder 10 in this embodiment is a single-piston rod hydraulic oil cylinder provided with an ear ring, specifically, an HSG-80/450 type engineering oil cylinder, the ear ring at the tail end of the detection oil cylinder 10 is hinged on the first fixing seat 15 on the cantilever beam 2, and the ear ring on the piston rod of the detection oil cylinder 10 is hinged on the second fixing seat 16 on one side of the support beam 1. It should be noted that the first fixing seat 15 is adjustably installed on the cantilever beam 2, and the working stroke of the detection cylinder 10 can be adjusted by adjusting the installation height of the first fixing seat 15 on the cantilever beam 2.
In order to ensure the pressure of a hydraulic control system of the follow-up mechanism, the follow-up mechanism further comprises an energy accumulator 13, and the rodless cavity of the lifting oil cylinder 9 and the rodless cavity of the detection oil cylinder 10 are both communicated with the energy accumulator 13.
The energy accumulator 13 in this embodiment is of a bladder type, a casing of the energy accumulator 13 is fixed on a cylinder body of the detection cylinder 10, and the energy accumulator 13 is connected to a pipeline 12 connecting the detection cylinder 10 and the lift cylinder 9. It should be noted that the accumulator 13 may also be of the spring, gas-filled or other type.
In the pitching change process of the cantilever beam 2, the energy accumulator 13 can absorb or release oil along with the change of load pressure, adjust the pressure of the hydraulic control system to adapt to the change of the load, absorb the pressure impact of the hydraulic control system and ensure that the system is not overloaded and damaged. For example, when the tension force of the belt 14 may change, especially when the weight of the load on the belt 14 changes, when the tension force of the belt 14 increases, the belt 14 may push the piston rod of the lift oil rod 9 to contract, so as to increase the pressure of the rodless cavity of the lift oil cylinder 9, and the hydraulic oil in the rodless cavity of the lift oil cylinder 9 may be discharged and stored in the energy accumulator 13, and when the tension force of the belt 14 decreases, the hydraulic oil stored in the energy accumulator 13 returns to the rodless cavity of the lift oil cylinder 9, so as to extend the piston rod of the lift oil rod 9, thereby ensuring the fitting degree of the follower frame 4.2 and the belt 14.
The utility model discloses still including being used for control servo mechanism's machine liquid servo control system, it is specific, hydrops servo control system includes: the oil tank, the hydraulic pump 17, the lifting oil cylinder 9, the detection oil cylinder 10 and the energy accumulator 13; the hydraulic pump 17 provides the hydraulic oil in the oil tank 21 to the detection oil cylinder 10, the lifting oil cylinder 9 and the energy accumulator 13 for adjusting the oil quantity and the pressure of an oil path formed by the detection oil cylinder 10, the lifting oil cylinder 9 and the energy accumulator 13, specifically, the hydraulic pump 17 is connected to the pipeline 12 through a quick connector, the hydraulic pump 17 is respectively connected with the rodless cavities of the detection oil cylinder 10 and the lifting oil cylinder 9 through the pipeline 12, and the pipeline 12 is further connected with a pressure gauge 18 for detecting the pressure of the pipeline 12. A first one-way valve 19 is arranged between the hydraulic pump 17 and the pipeline 12, a second one-way valve 20 is arranged between the pressure gauge 18 and the pipeline 12, and the accumulator 13 is connected to the pipeline 12. The hydraulic pump 17 in this embodiment is a manual pump. When the device is installed and used, the manual pump and the hydraulic system are connected through the quick connector, oil is supplied to the detection oil cylinder 10, the lifting oil cylinder 9 and the energy accumulator 13 through the manual pump, and after the hydraulic system is filled with oil and reaches a certain pressure, the manual pump stops supplying oil and is disconnected. When the hydraulic system works abnormally, the pressure gauge 18 is connected to the hydraulic system, the pressure of the system is detected, the manual pump is connected, and the oil quantity and the pressure of the hydraulic system are adjusted through the manual pump.
The working principle of the embodiment is as follows:
when the cantilever beam 2 moves downwards and downwards, a piston rod of the detection oil cylinder 10 gradually extends out, the volume of a rodless cavity of the detection oil cylinder 10 is increased, a piston rod of the lifting oil cylinder 9 contracts under the action of tension of a belt 14 and gravity of materials, the volume of the rodless cavity of the lifting oil cylinder 9 is reduced, hydraulic oil is discharged from the rodless cavity of the lifting oil cylinder 9 and enters the rodless cavity of the detection oil cylinder 10, and the follow-up frame 4.2 descends accordingly.
When the cantilever beam 2 moves upwards and downwards, a piston rod of the detection oil cylinder 10 gradually contracts, the volume of a rodless cavity of the detection oil cylinder 10 is reduced, hydraulic oil is discharged from the rodless cavity of the detection oil cylinder 10 and enters the rodless cavity of the lifting oil cylinder 9 to push the piston rod of the lifting oil cylinder 9 to extend out, the follow-up frame 4.2 rises along with the piston rod, and the groove-shaped carrier roller 5 on the follow-up frame 4.2 effectively supports the belt 14.
The mechanical-hydraulic servo control system of the servo mechanism adopts a passive mechanical-hydraulic servo control mode, does not need electrical control, and is simple, practical, stable in operation and convenient to maintain.
Compared with the prior art, the embodiment has the beneficial effects that:
1. the follow-up frame 4.2 is arranged to give good support to the belt 14, so that material scattering at two sides of the belt 14 is avoided;
2. by arranging the hinge point on the follow-up frame 4.2 and hinging the lifting oil cylinder 9 at the hinge point, when the cantilever beam 2 tilts upwards, the piston rod of the lifting oil cylinder 9 can be used for driving the follow-up frame 4.2 to be attached to the belt 14, so that the belt 14 forms a groove-shaped material carrying surface;
3. the follow-up frame 4.2 can move along with the pitching motion of the cantilever beam 2 through the linkage between the lifting oil cylinder 9 and the detection oil cylinder 10, and the follow-up frame 4.2 can provide effective support for the belt 14, so that the material scattering at two sides of the belt 14 is avoided;
4. the energy accumulator 13 is arranged on the pipeline 12 connecting the lifting oil cylinder 9 and the detection oil cylinder 10, so that the pressure of a liquid accumulation servo control system of the servo mechanism can be ensured, and meanwhile, the supporting force of the lifting oil cylinder 9 on the follow-up frame 4.2 can be adjusted according to the change of the tension force of the belt 14;
5. the mechanical-hydraulic servo control system of the embodiment adopts a passive mechanical-hydraulic servo control mode, does not need electrical control, and is simple, practical, stable in operation and convenient to maintain.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a servo mechanism is applied to every single move formula cantilever belt feeder, the cantilever belt feeder is including fixed setting at the fixed beam of a supporting beam one side, articulate in the cantilever beam of a supporting beam opposite side, set up first belt support on the fixed beam and set up the second belt support on the cantilever beam, its characterized in that: the follow-up mechanism comprises a follow-up frame, one end of the follow-up frame is hinged to the first belt bracket, and the other end of the follow-up frame is connected with the second belt bracket in a sliding mode.
2. A follower mechanism as defined in claim 1, wherein: the lifting device is arranged between the follow-up frame and the cantilever beam and used for adjusting the attaching degree of the follow-up frame and the belt, when the cantilever beam tilts upwards, the lifting device raises the height of the follow-up frame to attach the follow-up frame to the belt, and when the cantilever beam returns to the horizontal state from the upward-tilting state, the lifting device lowers the height of the follow-up frame to attach the follow-up frame to the belt.
3. A follower mechanism as defined in claim 2, wherein: the lifting device is a lifting oil cylinder, one end of the lifting oil cylinder is hinged with the cantilever beam, and the other end of the lifting oil cylinder is hinged with the follow-up frame.
4. A follower mechanism as defined in claim 3, wherein: the servo frame is provided with a hinge point, the hinge point divides the servo frame into two sections which are hinged with each other, and the lifting oil cylinder is hinged at the hinge point.
5. A follower mechanism as defined in claim 3, wherein: the detection device is arranged between the support beam and the cantilever beam, is positioned at the hinged position of the cantilever beam and the support beam and is used for detecting the angle between the support beam and the cantilever beam; the detection device is linked with the lifting device, and when the detection device detects that the angle between the supporting beam and the cantilever beam is gradually reduced, the detection device controls the lifting device to drive the follow-up frame to be lifted in a linkage manner; when the detection device detects that the angle between the supporting beam and the cantilever beam is gradually increased, the detection device controls the lifting device to drive the follow-up frame to move downwards in a linkage manner; the detection device is a detection oil cylinder, the detection oil cylinder is linked with the lifting oil cylinder, the detection oil cylinder is located at a position close to the hinged position of the cantilever beam and the supporting beam, one end of the detection oil cylinder is hinged on the supporting beam, the other end of the detection oil cylinder is hinged on the cantilever beam, and a rodless cavity of the detection oil cylinder is communicated with a rodless cavity of the lifting oil cylinder.
6. A follower mechanism as defined in claim 5, wherein: the device is characterized by further comprising an energy accumulator, wherein a rodless cavity of the lifting oil cylinder and a rodless cavity of the detection oil cylinder are communicated with the energy accumulator, and a shell of the energy accumulator is fixed on a cylinder body of the detection oil cylinder.
7. The mechano-hydraulic servo control system using the follower mechanism according to claim 6, wherein: the hydraulic pump supplies hydraulic oil in the oil tank to the detection oil cylinder, the lifting oil cylinder and the energy accumulator and is used for adjusting the oil quantity and pressure of an oil circuit formed by the detection oil cylinder, the lifting oil cylinder and the energy accumulator.
8. The servo of claim 7 wherein: the hydraulic pump is respectively connected with the rodless cavities of the detection oil cylinder and the lifting oil cylinder through pipelines, and the pipelines are also connected with pressure gauges for detecting the pressure of the pipelines; the accumulator is disposed on the pipeline.
9. The servo of claim 8 wherein: a first one-way valve is arranged between the hydraulic pump and the pipeline, and a second one-way valve is arranged between the pressure gauge and the pipeline.
10. A follower mechanism according to any of claims 1-5, wherein: the supporting beam is a door-shaped structural beam arranged on the bucket-wheel stacker-reclaimer, the first belt bracket, the second belt bracket and the follow-up frame are all provided with groove-shaped carrier rollers, and the groove-shaped carrier rollers are attached to the belt to form a groove-shaped material carrying surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541865.0U CN217376013U (en) | 2021-07-07 | 2021-07-07 | Servo frame and mechanical-hydraulic servo control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541865.0U CN217376013U (en) | 2021-07-07 | 2021-07-07 | Servo frame and mechanical-hydraulic servo control system thereof |
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| Publication Number | Publication Date |
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| CN217376013U true CN217376013U (en) | 2022-09-06 |
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| CN202121541865.0U Active CN217376013U (en) | 2021-07-07 | 2021-07-07 | Servo frame and mechanical-hydraulic servo control system thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN217376013U (en) |
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2021
- 2021-07-07 CN CN202121541865.0U patent/CN217376013U/en active Active
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