CN208843130U - Hydraulic axial plunger type driving drum - Google Patents
Hydraulic axial plunger type driving drum Download PDFInfo
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- CN208843130U CN208843130U CN201821423448.4U CN201821423448U CN208843130U CN 208843130 U CN208843130 U CN 208843130U CN 201821423448 U CN201821423448 U CN 201821423448U CN 208843130 U CN208843130 U CN 208843130U
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- plunger
- oil
- distribution casing
- face
- supporter
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Abstract
The utility model discloses a kind of hydraulic axial plunger type driving drum, including inner barrel, drum drive between two pieces disc is arranged in, drum drive includes supporter, steel ball, turntable, plunger, cylinder body and oil distribution casing；The front end face of drum shaft is equipped with the axis oil inlet and axis oil outlet being in axial direction arranged.The radial component that this hydraulic axial plunger type driving drum generates reaction force using turntable under the extruding of plunger to plunger generates turning moment to turntable, turning moment passes through the circumferential cylinder body being uniformly mounted on cylinder inner surface again and realizes promotion cylinder rotation, on the one hand the inner space of cylinder can be made full use of, on the other hand using from by the way of drum shaft axially disengaging operating pressure oil, therefore it is not required to that additional transmission device installation space is arranged, and it is easily installed and safeguards, it can reduce the maintenance cost of production cost and auxiliary facility, there is no the belt conveyor of arrangement space especially suitable for highly gassy mine or transmission device.
Description
Technical field
The utility model relates to a kind of belt conveyor driving drum, it is specifically a kind of be suitable for mine down-hole, ground,
The hydraulic axial plunger type driving drum of the belt conveyor in the places such as port and pier, belongs to belt conveyor technical field.
Background technique
Belt conveyor is also known as rubber conveyer, is widely used in machinery, electronics, tobacco, injection molding, post and telecommunications, printing, food
Etc. all trades and professions.Belt conveyor can be divided into heavy type belt conveyor such as mine belt conveyor, light-duty band by its conveying capacity
Formula conveyer is such as used in electric plastics, food light industry, chemical and medicine industry industry.Belt conveyor is a kind of friction-driven with continuous
The machinery of mode transported material is mainly made of rack, conveyer belt, carrying roller, roller, tensioning apparatus, transmission device etc., it can be with
By material from it is initial for shots to the conveying process for forming a kind of material final emptying point, can both carry out granular material
Conveying, the conveying of work piece can also be carried out, in addition to carrying out pure material conveying, can also be produced with each industrial enterprise
The requirement of technical process in process matches to form rhythmical continuous productive process supply line.
The tractive force of belt conveyor is transmitted frictional force between conveyer belt by driving drum, it is therefore necessary to
Passing adhesive tape at cylinder roller separation with certain initial tension the tensioning of adhesive tape tensioning apparatus.Traditional belt conveyor
Transmission device is usually to pass in such a way that motor drives driving drum by retarder, and in order to mitigate weight, reduce
The load of dynamic device, traditional driving drum are usually that hollow cylindrical structure is fabricated under the premise of proof strength.It is this
Traditional belt driving device needs to be mounted on the lateral location of driving drum, for example mining for heavy type belt conveyor
Belt conveyor, the driving motor and retarder of bulky not only need additionally to occupy installation space, narrow for space
Underground coal mine transporting coal tunnel need to additionally excavate the installation and repairing space of transmission device, and need to guarantee that retarder is defeated in installation process
Being co-axially mounted of shaft and driving drum, installation and debugging are more complex；In addition, being passed due to the explosion-proof particularity of coal mine operation
Driving motor used in the mine belt conveyor transmission device of system is both needed to not only cause production cost using fire-proof motor
Increase and also result in the increase of auxiliary facility maintenance cost (requirement of high-power explosion-proof motor improves voltage class).
Summary of the invention
In view of the above-mentioned problems, the utility model provides a kind of hydraulic axial plunger type driving drum, using hydraulic-driven side
Formula is not required to that additional transmission device installation space is arranged and is easily installed and safeguards, can reduce production cost and auxiliary facility
Maintenance cost, there is no the belt conveyor of arrangement space especially suitable for highly gassy mine or transmission device.
To achieve the above object, this hydraulic axial plunger type driving drum includes cylinder, disc, drum shaft；Two pieces disc
Front and back is symmetrically fixed at the inside of cylinder, and the center of disc is equipped with bearing block structure, and cylinder is matched by disc rolling
It closes to set up and be mounted on drum shaft, drum shaft both ends pass through the support base erection being firmly connected with it and are mounted on belt conveyor
In rack；
Hydraulic axial plunger type driving drum further includes that inner barrel, drum driven between two pieces disc dress is arranged in
It sets, drum drive includes supporter, steel ball, turntable, plunger, cylinder body and oil distribution casing；
Supporter is column structure, and supporter is coaxially fixedly mounted on drum shaft, and the rear end of supporter, which is equipped with, to be protruded from
The swash plate face supporting body structure of external surface is supported, swash plate face supporting body structure, which is equipped with, favours rolling along drum shaft axial direction
The swash plate face of cylinder axis in axis line setting, the circular trace steel ball that the oval ring disk in swash plate face is equipped with setting concentric with it roll
Road, multiple steel balls are with circular trace steel ball rolling channel dimensional fits and rolling is arranged in the circular trace steel ball rolling channel in swash plate face；
Turntable is the annular dish structure cooperated with swash plate face, and turntable is socketed on supporter, also right in the rear disk of turntable
It should be equipped with circular trace steel ball rolling channel, turntable is crimped on steel ball by its circular trace steel ball rolling channel；
The axis parallel of plunger is arranged in the central axes of drum shaft, and the quantity of plunger is the odd number for setting at least to five
A, multiple plungers are evenly distributed setting and the rear end crimping of plunger acts against in the preceding disk of turntable；
Cylinder body is the tubular construction with the coaxial arrangement of the central axes of drum shaft, and the barrel rear end face of tubular construction is equipped with flat
Plunger sliding accommodating chamber that row is arranged in drum shaft central axes, penetrating wall inner portion, plunger slide quantity and the position of accommodating chamber
The outer diameter for setting the quantity of corresponding plunger and the internal diameter and plunger of position and plunger sliding accommodating chamber cooperates, and plunger is sliding
The front end for moving accommodating chamber, which is equipped with, in axial direction passes in and out oilhole through the plunger of cylinder body, and cylinder body slides accommodating chamber by plunger and is socketed
On the front end of plunger and the installation connection of the inner surface of the outer surface of cylinder body and cylinder, the plunger sliding of cylinder body accommodate cavity rear end
It is tightly connected with plunger；
Oil distribution casing is coaxially fixedly mounted with supporter to be connect and the rear end face of oil distribution casing with the front end face of cylinder body is bonded company
It connects, the position that plunger disengaging oilhole is corresponded on the rear end face of oil distribution casing is equipped with annular oil groove, and annular oil groove includes relative to swash plate
The symmetrical setting in face, arcuate structure oil inlet annular groove and fuel-displaced annular groove correspond to oil inlet on the front end face of oil distribution casing
The position of annular groove and fuel-displaced annular groove is respectively equipped with oil distribution casing oil inlet and oil distribution casing oil outlet through oil distribution casing；
The front end face of the drum shaft is equipped with the axis oil inlet and axis oil outlet that are in axial direction arranged, on drum shaft
The position of corresponding oil distribution casing oil inlet and oil distribution casing oil outlet be additionally provided with along the setting of drum shaft radial direction radial fuel feed hole and
Radial oil outlet, and axis oil inlet rearward extend and with radial fuel feed hole perforation, axis oil outlet rearward extend and with radial direction
Oil outlet perforation, radial fuel feed hole and radial oil outlet pass through fluid pressure line and oil distribution casing oil inlet and oil distribution casing oil outlet respectively
Connection.
As further improvement of the utility model scheme, cylinder body passes through the sliding feather key that is arranged along cylinder axial direction
Sliding is fitted on the inner surface of cylinder.
As further improvement of the utility model scheme, the front end face of the rear end face and cylinder body of oil distribution casing is fitted and connected
Position is additionally provided with the ring structure of cooperation.
As further improvement of the utility model scheme, corresponding radial fuel feed hole and radial direction go out on the front end face of supporter
The installation site of the fluid pressure line of hydraulic fluid port is equipped with groove structure, and fluid pressure line, which is lying into, to be mounted in groove structure.
As further improvement of the utility model scheme, the rear end face of the swash plate face supporting body structure of supporter is equipped with
The filling passage penetrated through with steel ball rolling channel and the grease cup being mounted on the swash plate face supporting body structure rear end face of supporter；Disc
The position of upper corresponding grease cup is equipped with the oiling hole location through disc.
As further improvement of the utility model scheme, the inside of supporter has cavity structure.
As further improvement of the utility model scheme, oil distribution casing is same by oil distribution casing positioning key and retaining ring and supporter
Connection is fixedly mounted in axis, and retaining ring includes multiple arc clamp structures for surrounding full circle, on arc clamp structure radially
Equipped with mounting hole, arc clamp structure passes through the retaining ring installation bolt radially installed and is fixedly mounted on supporter.
Compared with prior art, this hydraulic axial plunger type driving drum is due to being arranged in inner barrel, two pieces
Hydraulic-driven between disc, plunger sloping plate structure drum drive, using turntable to plunger under the extruding of plunger
The radial component for generating reaction force passes through turntable generation turning moment, turning moment again is circumferentially uniformly mounted on table in cylinder
Cylinder body on face, which is realized, pushes cylinder rotation, and drum shaft, supporter, oil distribution casing are in motionless static shape in rotary course
State, and turntable, plunger, cylinder body, cylinder are in the state that the central axes around drum shaft rotate, the roller that inner barrel is arranged in drives
On the one hand dynamic device can make full use of the inner space of cylinder, on the other hand axially pass in and out operating pressure oil using from drum shaft
Mode, therefore be not required to that additional transmission device installation space is arranged and be easily installed and safeguard, can reduce production cost and
The maintenance cost of auxiliary facility does not have the belt conveyor of arrangement space especially suitable for highly gassy mine or transmission device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the B-B cross-sectional view of Fig. 1；
Fig. 4 is the C direction view of Fig. 1；
Fig. 5 is the E direction view of Fig. 2；
Fig. 6 is reaction forces schematic diagram of the utility model turntable to sliding cylinder extrusion；
Fig. 7 be in Fig. 1 D to the force diagram of each plunger.
In figure: in figure: 1, rubber layer；2, cylinder；3, disc installs bolt；4, disc；5, bearing (ball) cover；6, bearing (ball) cover
Bolt；7, support base；8, drum shaft positioning key；9, dust seal；10, bearing；11, supporter positioning key；12, supporter；13,
Swash plate face；14, steel ball；15, turntable；16, plunger；17, piston oil seal；18, feather key is slid；19, plunger passes in and out oilhole；20,
Annular oil groove；21, oil distribution casing；22, oil distribution casing positioning key；23, retaining ring installs bolt；24, retaining ring；25, drum shaft；26, cylinder body；
27, oil pipe one；28, elbow；29, oil pipe two；30, axis oil inlet；31, axis oil outlet；32, radial fuel feed hole；33, radial fuel-displaced
Mouthful；34, oil distribution casing oil inlet；35, oil distribution casing oil outlet；36, oil inlet annular groove；37, fuel-displaced annular groove；38, roller rotation side
To；39, groove structure.
Specific embodiment
The utility model is described further with reference to the accompanying drawing and (is retouched below using the right direction of Fig. 1 as front
It states).
As shown in Figure 1, this hydraulic axial plunger type driving drum includes cylinder 2, disc 4, drum shaft 25；Outside cylinder 2
Surface is covered with rubber layer 1, and 4 front and back of two pieces disc is symmetrically fixed at the inside of cylinder 2, and an at least disc 4 passes through disc
Installation bolt 3 is fixedly mounted on the inside of cylinder 2, and the center of disc 4 is equipped with bearing block structure, sets inside bearing block structure
There are bearing 10, outside to be equipped with bearing (ball) cover 5, dust seal 9 is additionally provided in bearing (ball) cover 5, bearing (ball) cover 5 passes through bearing (ball) cover spiral shell
Bolt 6 is fixedly mounted on disc 4, and cylinder 2 rolls cooperation erection by disc 4 and is mounted on drum shaft 25,25 both ends of drum shaft
It is mounted in the rack of belt conveyor by the erection of support base 7 being firmly connected with it, is led between drum shaft 25 and support base 7
Drum shaft positioning key 8 is crossed to be fixedly connected.
This hydraulic axial plunger type driving drum further includes that inside cylinder 2, between two pieces disc 4 roller is arranged in drive
Dynamic device, drum drive includes supporter 12, steel ball 14, turntable 15, plunger 16, cylinder body 26 and oil distribution casing 21；
Supporter 12 is column structure, and supporter 12 is coaxially fixedly mounted on drum shaft 25 by supporter positioning key 11
On, the rear end of supporter 12 is equipped with the swash plate face supporting body structure for protruding from 12 outer surface of supporter, swash plate face supporting body structure
It is equipped with the swash plate face 13 that the setting of 25 central axes of drum shaft is favoured along 25 axial direction of drum shaft, i.e. swash plate face 13 is elliptical ring
Shape structure, the oval ring disk in swash plate face 13 are equipped with the circular trace steel ball rolling channel of setting concentric with it, multiple steel balls 14
With circular trace steel ball rolling channel dimensional fits and rolling is arranged in the circular trace steel ball rolling channel in swash plate face 13；
Turntable 15 is the annular dish structure cooperated with swash plate face 13, and turntable 15 is socketed on supporter 12, after turntable 15
Also circular trace steel ball rolling channel is correspondingly provided in disk, turntable 15 is crimped on steel ball 14 by its circular trace steel ball rolling channel；
The axis parallel of plunger 16 is arranged in the central axes of drum shaft 25, and the quantity of plunger 16 is to set at least to five
Odd number, multiple plungers 16 are evenly distributed setting, and the rear end crimping of plunger 16 acts against in the preceding disk of turntable 15；
Cylinder body 26 is the tubular construction with the coaxial arrangement of the central axes of drum shaft 25, is set on the barrel rear end face of tubular construction
Plunger sliding accommodating chamber being parallel to the setting of 25 central axes of drum shaft, penetrating wall inner portion, plunger slide the number of accommodating chamber
Amount and position correspond to the quantity of plunger 16 and the outer diameter of the internal diameter and plunger 16 of position and plunger sliding accommodating chamber is matched
It closes, the front end that plunger slides accommodating chamber, which is equipped with, in axial direction passes in and out oilhole 19 through the plunger of cylinder body 26, and cylinder body 26 passes through column
Plug sliding accommodating chamber is socketed on the front end of the plunger 16 and outer surface of cylinder body 26 and the inner surface installation of cylinder 2 connects, cylinder body
26 plunger sliding accommodates cavity rear end and is additionally provided with piston oil seal 17；
Oil distribution casing 21 is by oil distribution casing positioning key 22 and retaining ring 24 is connected with the coaxial fixed installation of supporter 12 and oil distribution casing
The front end face of 21 rear end face and cylinder body 26 is fitted and connected, as shown in figure 3, corresponding to plunger disengaging oil on the rear end face of oil distribution casing 21
The position in hole 19 is equipped with annular oil groove 20, and annular oil groove 20 includes relative to the symmetrical setting in swash plate face 13, arc knot
The oil inlet annular groove 36 and fuel-displaced annular groove 37 of structure correspond to oil inlet annular groove 36 and fuel-displaced annular groove on the front end face of oil distribution casing 21
37 position is respectively equipped with oil distribution casing oil inlet 34 and oil distribution casing oil outlet 35 through oil distribution casing 21.
As shown in figure 4, the front end face of the drum shaft 25 is equipped with the axis oil inlet 30 and axis being in axial direction arranged
Oil outlet 31 corresponds to oil distribution casing oil inlet 34 on drum shaft 25 and the position of oil distribution casing oil outlet 35 is additionally provided with along 25 diameter of drum shaft
The radial fuel feed hole 32 and radial oil outlet 33 being arranged to direction, and axis oil inlet 30 rearward extend and with radial fuel feed hole 32
Perforation, axis oil outlet 31 rearward extend and penetrate through with radial oil outlet 33, as shown in Fig. 2, radial fuel feed hole 32 and radial direction go out
Hydraulic fluid port 33 is connect by oil pipe 1, elbow 28, oil pipe 2 29 with oil distribution casing oil inlet 34 and oil distribution casing oil outlet 35 respectively.
This hydraulic axial plunger type driving drum is mounted on belt conveyor in use, axis oil inlet 30 and axis is fuel-displaced
Mouth 31 passes through piping connection hydraulic power unit respectively.Operating pressure oil enters from axis oil inlet 30 as shown in Figure 4, flow through as
Radial direction fuel feed hole 32 shown in Fig. 2, enters by the oil pipe 1, elbow 28, oil pipe 2 29 that connect with oil distribution casing oil inlet 34
To oil distribution casing oil inlet 34 and oil inlet annular groove 36 as shown in Figure 3, oilhole 19 is passed in and out by plunger as shown in Figure 1 and is entered
The plunger of 16 front end of plunger slides accommodating chamber, and plunger 16 is under the pressure effect of operating pressure oil, its forward ends thereof cylinder of one side
The plunger of body 26 slides accommodating chamber bottom end, so that the front end face of cylinder body 26 and the rear end face of oil distribution casing 21 keep good close
The rear end of Feng Xing, another aspect plunger 16 squeeze turntable 15, since turntable 15 is the annular dish structure cooperated with swash plate face 13, such as
Shown in Fig. 6, turntable 15 generates reaction force F to plunger 16 under the extruding of plunger 16, resolves into FHAnd Ft, FHWith plunger 16 by
The pressure balance of the operating pressure oil of the axis direction arrived, as shown in fig. 7, the F of the plunger 16 of corresponding 36 position of oil inlet annular groovet
It is not overlapped with the vertical axis of roller, i.e., F as shown in Figure 7t1、Ft2、Ft3, FtTurning moment, turntable 15 will be generated to turntable 15
It is rotated under the rolling support effect of steel ball 14, to pass through the circumferential cylinder body 26 being uniformly mounted on 2 inner surface of cylinder
Cylinder 2 is pushed to rotate along roller direction of rotation 38 as shown in Figure 7.When the rotation of cylinder 2 to vertical axis, the plunger for crossing roller
When the position of 16 corresponding fuel-displaced annular grooves 37, plunger 16 does not generate the torque for rotating roller and revolves along swash plate face 13 at this time
The press reaction force acts of the turntable 15 turned issue moves the pressure oil that pushes the work forward through plunger disengaging oilhole 19, fuel-displaced annular before death
Slot 37 enters oil distribution casing oil outlet 35, then oil pipe 2 29, elbow 28, oil pipe 1 through connecting with radial oil outlet 33 enter diameter
To oil outlet 33, last warp beam oil outlet 31 is back to hydraulic power unit, completes a working cycles.And so on, operating pressure
Oil is pushed back by plunger 16 again after successively pushing plunger 16, acting, realizes the continuous rotation of cylinder 2.
It is practical new as this in order to guarantee the front end face of cylinder body 26 and the good leakproofness of rear end face holding of oil distribution casing 21
The further improvement scheme of type, as shown in Figure 1, cylinder body 26 is slid by the sliding feather key 18 being arranged along 2 axial direction of cylinder
It is fitted on the inner surface of cylinder 2.In the course of work, its forward ends thereof under the pressure effect of operating pressure oil of plunger 16
The plunger sliding accommodating chamber bottom end of cylinder body 26 can push cylinder body 26 to generate sliding trend along sliding feather key 18 in turn, to make
The rear end face of the front end face and oil distribution casing 21 that obtain cylinder body 26 realizes better sealing.
In order to further ensure the front end face of cylinder body 26 and the rear end face of oil distribution casing 21 keep good leakproofness, as this
The further improvement scheme of utility model, the rear end face of oil distribution casing 21 are additionally provided with the position that is fitted and connected of the front end face of cylinder body 26
The ring structure of cooperation.
Pipeline installation interference in order to prevent, as further improvement of the utility model scheme, as shown in figure 5, supporter
The installation site of the oil pipe 1 of corresponding radial direction fuel feed hole 32 and radial oil outlet 33 is equipped with groove structure 39 on 12 front end face,
Oil pipe 1, which is lying into, to be mounted in groove structure 39.
For the ease of carrying out filling butter to circular trace steel ball rolling channel and then lubricating steel ball 14, as the utility model
Further improvement scheme, the rear end face of the swash plate face supporting body structure of supporter 12 is equipped with the oiling penetrated through with steel ball rolling channel
Channel and the grease cup being mounted on the swash plate face supporting body structure rear end face of supporter 12；The position of grease cup is corresponded on disc 4
Install the oiling hole location through disc 4.
In order to mitigate weight and then reduce driving load, as further improvement of the utility model scheme, supporter 12
Inside have cavity structure.
For the ease of installing retaining ring 24, as further improvement of the utility model scheme, retaining ring 24 includes multiple encloses
At the arc clamp structure of full circle, it is radially equipped with mounting hole on arc clamp structure, arc clamp structure passes through along diameter
The retaining ring installation bolt 23 installed to direction is fixedly mounted on supporter 12.
This hydraulic axial plunger type driving drum is inside cylinder 2, hydraulic between two pieces disc 4 due to being arranged in
Driving, plunger sloping plate structure drum drive, generates anti-work to plunger 16 under the extruding of plunger 16 using turntable 15
Firmly the radial component of F generates turning moment to turntable 15, turning moment passes through circumferential be uniformly mounted on 2 inner surface of cylinder again
Cylinder body 26 is realized cylinder 2 is pushed to rotate, drum shaft 25, supporter 12, oil distribution casing 21 are in motionless quiet in rotary course
Only state, and turntable 15, plunger 16, cylinder body 26, cylinder 2 are in the state that the central axes around drum shaft 25 rotate, and are arranged in cylinder
On the one hand drum drive inside body 2 can make full use of the inner space of cylinder 2, on the other hand use from drum shaft 25
The mode of axial disengaging operating pressure oil, therefore be not required to that additional transmission device installation space is arranged and be easily installed and safeguard,
The maintenance cost that can reduce production cost and auxiliary facility is not arranged especially suitable for highly gassy mine or transmission device
The belt conveyor in space.
Claims (7)
1. a kind of hydraulic axial plunger type driving drum, including cylinder (2), disc (4), drum shaft (25)；Before two pieces disc (4)
It is symmetrically fixed at the inside of cylinder (2) afterwards, the center of disc (4) is equipped with bearing block structure, and cylinder (2) passes through disc
(4) it rolls cooperation erection to be mounted on drum shaft (25), drum shaft (25) both ends pass through support base (7) frame being firmly connected with it
If being mounted in the rack of belt conveyor；It is characterized in that,
Hydraulic axial plunger type driving drum further includes that drum driven internal in cylinder (2), between two pieces disc (4) is arranged
Device, drum drive include supporter (12), steel ball (14), turntable (15), plunger (16), cylinder body (26) and oil distribution casing
(21)；
Supporter (12) is column structure, and supporter (12) is coaxially fixedly mounted on drum shaft (25), after supporter (12)
End is equipped with the swash plate face supporting body structure for protruding from supporter (12) outer surface, and swash plate face supporting body structure is equipped with along drum shaft
(25) axial direction favours the swash plate face (13) of drum shaft (25) central axes setting, in the oval ring disk of swash plate face (13)
Circular trace steel ball rolling channel equipped with setting concentric with it, multiple steel balls (14) and circular trace steel ball rolling channel dimensional fits simultaneously roll
It is dynamic to be arranged in the circular trace steel ball rolling channel of swash plate face (13)；
Turntable (15) is the annular dish structure with swash plate face (13) cooperation, and turntable (15) is socketed on supporter (12), turntable
(15) circular trace steel ball rolling channel is also correspondingly provided in rear disk, turntable (15) is crimped on by its circular trace steel ball rolling channel
On steel ball (14)；
The axis parallel of plunger (16) is arranged in the central axes of drum shaft (25), and the quantity of plunger (16) is to set at least to five
A odd number, multiple plungers (16) be evenly distributed setting and plunger (16) rear end crimping act against turntable (15) before
In disk；
Cylinder body (26) is the tubular construction with the coaxial arrangement of the central axes of drum shaft (25), is set on the barrel rear end face of tubular construction
Plunger sliding accommodating chamber being parallel to the setting of drum shaft (25) central axes, penetrating wall inner portion, plunger slide accommodating chamber
Quantity and position correspond to the outer diameter of the quantity of plunger (16) and the internal diameter and plunger (16) of position and plunger sliding accommodating chamber
Dimensional fits, the plunger that the front end that plunger slides accommodating chamber is equipped in axial direction through cylinder body (26) pass in and out oilhole (19), cylinder
Body (26) slides accommodating chamber by plunger and is socketed on the front end of plunger (16) and the outer surface of cylinder body (26) and cylinder (2)
The plunger sliding of inner surface installation connection, cylinder body (26) accommodates cavity rear end and plunger (16) are tightly connected；
Oil distribution casing (21) connects and before the rear end face of oil distribution casing (21) and cylinder body (26) with coaxial be fixedly mounted of supporter (12)
End face is fitted and connected, and the position that plunger disengaging oilhole (19) is corresponded on the rear end face of oil distribution casing (21) is equipped with annular oil groove (20),
Annular oil groove (20) includes relative to swash plate face (13) symmetrical setting, arcuate structure oil inlet annular groove (36) and goes out
Oily annular groove (37) corresponds to the position difference of oil inlet annular groove (36) and fuel-displaced annular groove (37) on the front end face of oil distribution casing (21)
Equipped with the oil distribution casing oil inlet (34) and oil distribution casing oil outlet (35) for running through oil distribution casing (21)；
The front end face of the drum shaft (25) is equipped with the axis oil inlet (30) and axis oil outlet (31) being in axial direction arranged,
The position that oil distribution casing oil inlet (34) and oil distribution casing oil outlet (35) are corresponded on drum shaft (25) is additionally provided with along drum shaft (25) diameter
To direction be arranged radial fuel feed hole (32) and radial direction oil outlet (33), and axis oil inlet (30) rearward extend and with radial direction into
Oilhole (32) perforation, axis oil outlet (31) rearward extend and penetrate through with radial oil outlet (33), radial fuel feed hole (32) and diameter
It is connect respectively by fluid pressure line with oil distribution casing oil inlet (34) and oil distribution casing oil outlet (35) to oil outlet (33).
2. hydraulic axial plunger type driving drum according to claim 1, which is characterized in that cylinder body (26) is by along cylinder
(2) sliding feather key (18) sliding of axial direction setting is fitted on the inner surface of cylinder (2).
3. hydraulic axial plunger type driving drum according to claim 2, which is characterized in that the rear end face of oil distribution casing (21)
With the ring structure for being fitted and connected position and being additionally provided with cooperation of the front end face of cylinder body (26).
4. hydraulic axial plunger type driving drum according to claim 1 or 2 or 3, which is characterized in that supporter (12)
The installation site of the fluid pressure line of corresponding radial direction fuel feed hole (32) and radial oil outlet (33) is equipped with groove structure on front end face
(39), fluid pressure line, which is lying into, is mounted in groove structure (39).
5. hydraulic axial plunger type driving drum according to claim 1 or 2 or 3, which is characterized in that supporter (12)
The rear end face of swash plate face supporting body structure is equipped with the filling passage penetrated through with steel ball rolling channel and is mounted on the oblique of supporter (12)
Grease cup on disk supporting body structure rear end face；The position that grease cup is corresponded on disc (4) is equipped with the oiling for running through disc (4)
Hole location.
6. hydraulic axial plunger type driving drum according to claim 1 or 2 or 3, which is characterized in that supporter (12)
Inside has cavity structure.
7. hydraulic axial plunger type driving drum according to claim 1 or 2 or 3, which is characterized in that oil distribution casing (21) is logical
It crosses oil distribution casing positioning key (22) and retaining ring (24) to connect with the coaxial fixed installation of supporter (12), retaining ring (24) includes multiple encloses
At the arc clamp structure of full circle, it is radially equipped with mounting hole on arc clamp structure, arc clamp structure passes through along diameter
Retaining ring installation bolt (23) installed to direction is fixedly mounted on supporter (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821423448.4U CN208843130U (en) | 2018-08-31 | 2018-08-31 | Hydraulic axial plunger type driving drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821423448.4U CN208843130U (en) | 2018-08-31 | 2018-08-31 | Hydraulic axial plunger type driving drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208843130U true CN208843130U (en) | 2019-05-10 |
Family
ID=66356663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821423448.4U Expired - Fee Related CN208843130U (en) | 2018-08-31 | 2018-08-31 | Hydraulic axial plunger type driving drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208843130U (en) |
-
2018
- 2018-08-31 CN CN201821423448.4U patent/CN208843130U/en not_active Expired - Fee Related
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Granted publication date: 20190510 Termination date: 20210831 |