CN209037336U - Drag pump - Google Patents
Drag pump Download PDFInfo
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- CN209037336U CN209037336U CN201821883720.7U CN201821883720U CN209037336U CN 209037336 U CN209037336 U CN 209037336U CN 201821883720 U CN201821883720 U CN 201821883720U CN 209037336 U CN209037336 U CN 209037336U
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- main body
- buffer spring
- vehicle frame
- guide post
- axle shaft
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Abstract
The utility model provides a kind of drag pump, including main body of vehicle frame and axle assembly, and axle assembly includes axle shaft and the tyre rim with axle shaft rotation connection, wherein screw buffer spring is equipped between main body of vehicle frame and axle shaft.Drag pump provided by the utility model, when when bumpy road tows, tyre rim will receive the impact force from ground, the impact force is transmitted to axle assembly entirety, at this time, the impact force can generate the effect of power to screw buffer spring, under this force, screw buffer spring is compressed, that is at this time due to ground injustice bring impact force, it is buffered by screw buffer spring, is not directly transmitted to main body of vehicle frame, led to the failure of structure crack by additional external force so as to avoid main body of vehicle frame.
Description
Technical field
The utility model relates to engineering machinery fields, more specifically, are related to a kind of drag pump.
Background technique
Drag pump is mechanical as a kind of common concrete construction, its own cannot walk, in different building site transitions,
It is frequently necessary to be drawn by other vehicles.The vehicle bridge of current drag pump and its main structure are usually based on rigid connection, structure
As shown in Figure 1, when road surface conditions are severe, especially some building sites there is a situation where extremely uneven, for rigidity
It for the drag pump of connection, jolts very serious, impact force acts directly on the crossbeam of drag pump, causes in vehicle bridge rigid connection seat
There is cracking phenomena in 10 ' places.
In order to solve the failure of this cracking, most common in the related technology is exactly that rigidly connected vehicle bridge is changed to band to delay
Rush the vehicle bridge of structure.As shown in Fig. 2, a kind of shock-absorbing axle with leaf spring, which can buffer because there is damping flat spring 20 '
The impact of complete machine is faced when towing.
It is as follows that above two drag pump vehicle bridge with main body connect the problem of being primarily present:
1), when towing on rough road surface, easily there is drag pump girder and opens because of no buffer function in rigid connection vehicle bridge
Split failure；
2) as shown in figure 3, the shock-absorbing axle with flat spring, This structure increases flat spring and installation attachment (fixing end peaces
Fill seat 30 ', sliding end mounting base 40 '), significantly increase complete machine cost.
Therefore, those skilled in the art need to solve the problems, such as: 1) vehicle bridge that is rigidly connected easily leads to main body Beam fracture；2)
The excessive problem of flat spring shock-absorbing axle increased costs.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.
For this purpose, the purpose of this utility model is to provide a kind of drag pumps.
To achieve the above object, the technical solution of the utility model provides a kind of drag pump, comprising: main body of vehicle frame and vehicle bridge
Assembly, the axle assembly include axle shaft and the tyre rim with axle shaft end rotation connection, wherein the vehicle frame
It is supported and is connected by screw buffer spring between main body and the axle shaft.
The drag pump that the utility model above-mentioned technical proposal provides, when bumpy road tows, tyre rim, which will receive, to be come
Impact force from ground, the impact force are transmitted to axle assembly entirety, at this point, the impact force can generate power to screw buffer spring
Effect screw buffer spring is compressed under this force, that is to say, that at this time due to ground injustice bring rush
Hit power, buffered by screw buffer spring, without being transmitted to main body of vehicle frame in the direct short time, so as to avoid main body of vehicle frame because
Led to the failure of structure crack by huge instant impact.In addition, screw buffer spring, relative to flat spring, structure is simpler
List, small volume, cost are relatively low.
In addition, the drag pump that the utility model above-mentioned technical proposal provides also has following additional technical feature:
In above-mentioned technical proposal, it is preferable that the center line of the screw buffer spring is along the vertical direction.
When road bump, axle assembly integrally carries out up and down direction (vertical direction) and moves, therefore screw buffer spring
Center line is arranged along the vertical direction, when axle assembly carries out up and down direction movement under the effect of road surface, screw buffer spring quilt
Compression, to buffer Uneven road bring impact force.
In above-mentioned technical proposal, it is preferable that be equipped with guide frame between the main body of vehicle frame and the axle shaft, and described
The centerline parallel of the guide direction of guide frame and the screw buffer spring.
Preferably, screw buffer spring is compressed spring.Guide frame plays guiding role to screw buffer spring, prevents
Axle assembly drives screw buffer spring when deformation occurs, and skew occurs during the motion in screw buffer spring.
In above-mentioned technical proposal, it is preferable that the guide frame includes pilot hole and leading in the pilot hole is arranged in
Xiang Zhu, the guide post, the pilot hole one of both are arranged on the main body of vehicle frame, and another one is arranged in the axle shaft
On.
Guide post and pilot hole cooperation are oriented to the movement of screw buffer spring, so that screw buffer spring is occurring
Linear reciprocating motion is carried out during deformation.Preferably, guide post is cylindrical, and axis (extending direction) edge of guide post
Up and down direction setting.
One end of guide post is connected on main body of vehicle frame, and further, the upper end of guide post is fixedly connected on main body of vehicle frame
On, axle shaft is equipped with pilot hole, and the other end of guide post passes through pilot hole, and can be relative to pilot hole along the axis of pilot hole
Line movement, it is preferable that the axis of pilot hole is along the vertical direction；Alternatively, one end of guide post is connected on axle shaft, it is preferable that
The lower end of guide post is fixedly connected on axle shaft, and further, the lower end of guide post is fixedly connected on axle shaft, vehicle frame master
Body is equipped with pilot hole, and the other end (upper end) of guide post passes through pilot hole, and can be relative to pilot hole along the axis of pilot hole
Line movement, it is preferable that the axis of pilot hole is along the vertical direction.
In above-mentioned technical proposal, it is preferable that the screw buffer spring is set in the outside of the guide post, one side energy
It is enough that good guiding is carried out to screw buffer spring, on the other hand, screw buffer spring and guide frame assembly can be improved
Compactedness reduces screw buffer spring and guide frame the space occupied.
In above-mentioned technical proposal, it is preferable that the drag pump further includes fixing seat, and the fixing seat is arranged in the vehicle frame master
On one in both body and the axle shaft, the guide post is fixedly installed on the fixing seat, and the helical buffer
Spring abuts on the fixing seat.
In above-mentioned technical proposal, it is preferable that the drag pump further includes limited block, and the limited block is arranged in the vehicle frame master
On another in body and the axle shaft, the pilot hole is arranged on the limited block, and the screw buffer spring supports
It connects on the limited block.
When guide post is fixed on main body of vehicle frame, fixing seat is connected with main body of vehicle frame, it is preferable that fixing seat and vehicle frame
Main body is fixedly connected, and guide post is fixedly connected by fixing seat with main body of vehicle frame, and the upper end of screw buffer spring is connected to fixation
On seat, limited block is connected with axle shaft, it is preferable that limited block is fixedly connected with axle shaft, and the lower end of screw buffer spring is supported
It connects on limited block；When guide post is fixed on axle shaft, fixing seat is fixedly connected with axle shaft, and guide post passes through fixing seat
It is fixedly connected with axle shaft, the lower end of screw buffer spring is connected in fixing seat, and limited block is fixedly connected with main body of vehicle frame, spiral shell
The upper end of rotation buffer spring is connected on limited block.
In above-mentioned technical proposal, it is preferable that one end of the guide post is equipped with matches with the outer of described pilot hole one end
Close the limiting section to prevent the guide post from deviating from from the pilot hole.
Limited block is equipped with pilot hole, and the other end of guide post protrudes into pilot hole, and guide post can be relative to guiding
Hole moves up and down, and when to prevent axle assembly from moving downward, guide post is deviate from from pilot hole, and guide post is equipped with limit
Portion, when axle assembly moves downward, limiting section is matched with the outer of pilot hole one end, prevents guide post from taking off from pilot hole
Out.
In above-mentioned technical proposal, it is preferable that the limiting section is the pressing plate being bolted on guide post end face, institute
The contour dimension for stating pressing plate is greater than the diameter of the pilot hole.
When one end of guide post is connected with main body of vehicle frame, limited block is arranged on axle shaft, and pilot hole setting is limiting
On the block of position, limiting section is located at pilot hole close to the side of axle shaft；When one end of guide frame is connected with axle assembly, limit
Position block is arranged on main body of vehicle frame, and pilot hole is arranged on limited block, and limiting section is located at pilot hole close to the side of main body of vehicle frame.
Limiting section includes pressing plate, and pressing plate is fixedly connected on the end face of guide post, and the contour dimension of pressing plate is greater than pilot hole
Diameter, and limiting section is located at the side that pilot hole deviates from fixing seat, that is, is located at the lower section of pilot hole, and such limiting section can not be from
Prolapse upwards in pilot hole.
Pressing plate is fixedly connected with guide post by fastener (such as screw), alternatively, pressing plate is welded in guide post, or
Person, pressing plate are connected in guide post.
In above-mentioned technical proposal, it is preferable that the axle shaft is in the front side and rear side for leaning on two close end respectively by least
One screw buffer spring and main body of vehicle frame support connect.
Be arranged multiple screw buffer springs can impact force that preferably equalizing buffer Uneven road generates, multiple spirals are slow
It rushes spring and is separately positioned on the main body of vehicle frame both ends opposite along axle shaft axis direction, so that main body of vehicle frame is along axle shaft axis
The both ends stress balance in direction.
The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this
The practice of type is recognized.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the schematic cross-sectional view of vehicle bridge in the related technology；
Fig. 2 is the schematic view of the front view of vehicle bridge in the related technology；
Fig. 3 is the side structure schematic view of vehicle bridge shown in Fig. 2.
Wherein, corresponding relationship of the Fig. 1 into Fig. 3 between appended drawing reference and component names are as follows:
10 ' rigid connection seats, 20 ' flat springs, 30 ' fixing end mounting bases, 40 ' sliding end mounting bases.
Fig. 4 is the schematic view of the front view of vehicle bridge described in the embodiments of the present invention one；
Fig. 5 is the side structure schematic view of vehicle bridge shown in Fig. 4；
Fig. 6 is the schematic cross-sectional view of vehicle bridge part shown in Fig. 4；
Fig. 7 is the structural schematic diagram of drag pump described in the embodiments of the present invention one.
Wherein, corresponding relationship of the Fig. 4 into Fig. 7 between appended drawing reference and component names are as follows:
10 vehicle bridge, 11 main body of vehicle frame, 12 fixing seats, 13 guide posts, 21 axle shafts, 22 tyre rims, 23 bearings and bearing
Seat, 24 fasteners, 25 limited blocks, 251 pilot holes, 26 pressing plates, 3 screw buffer springs, 20 pumping systems, 30 lubricating systems, 40
Hydraulic system, 50 control systems, 60 dynamical systems, 70 structural member assemblies, 100 drag pumps.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
It is novel to be implemented using other than the one described here mode, therefore, the protection scope of the utility model not by
The limitation of following public specific embodiment.
Drag pump according to some embodiments of the utility model is described with reference to the accompanying drawings.
As shown in fig. 7, according to a kind of drag pump that some embodiments of the utility model provide, mainly by pumping system 20, profit
Sliding system 30, hydraulic system 40, control system 50, dynamical system 60, shock-absorbing axle 10 and structural member assembly 70 are constituted, the damping
Vehicle bridge 10 can effectively buffer impact of the broken terrain to drag pump 100 itself, avoid the Beam fracture to structural member assembly
Failure；Meanwhile the structure type is simple, and it is at low cost, it is reliable and practical.
As shown in Figures 4 to 6, vehicle bridge includes main body of vehicle frame 11 and axle assembly, axle assembly include axle shaft 21 and with
The tyre rim 22 that axle shaft 21 is rotatablely connected, wherein pass through screw buffer spring 3 between main body of vehicle frame 11 and axle shaft 21
Support connection.
The utility model drag pump provided by the above embodiment, when bumpy road tows, tyre rim 22, which will receive, to be come
Impact force from ground, the impact force are transmitted to axle assembly entirety, at this point, the impact force can be generated to screw buffer spring 3
The effect of power under this force compresses screw buffer spring, and screw buffer spring 3 can be with buffering in face of whole
The impact force of machine, impact force are not directly transmitted to main body of vehicle frame 11, are led so as to avoid main body of vehicle frame 11 by additional external force
Cause the failure of structure crack.
Embodiment one:
A kind of drag pump, including vehicle bridge, vehicle bridge include main body of vehicle frame 11 and axle assembly, axle assembly include axle shaft 21 and
The tyre rim 22 being rotatablely connected with axle shaft 21, wherein pass through screw buffer spring 3 between main body of vehicle frame 11 and axle shaft 21
Support connection.
Axle shaft 21 is connected separately with tyre rim 22, and axle shaft 21 and tyre rim 22 along the both ends of its axis
It is connected by bearing and bearing block 23, tyre rim 22 can be freely rotated around axle shaft 21.
In 100 motion process of drag pump, axle shaft 21 is not rotated with tyre rim 22, therefore screw buffer spring 3 is arranged
Between main body of vehicle frame 11 and axle shaft 21, facilitate the setting of screw buffer spring 3, and the setting of screw buffer spring 3 not shadow
Ring the rotation of tyre rim 22.
Preferably, the center line of screw buffer spring 3 is along the vertical direction.
When road bump, axle assembly integrally carries out up and down direction (vertical direction) and moves, therefore screw buffer spring 3
Center line is arranged along the vertical direction, when axle assembly carries out up and down direction movement under the effect of road surface, 3 quilt of screw buffer spring
Compression, so that Uneven road bring impact force drives screw buffer spring to move up and down.
Preferably, guide frame, and the guide direction and spiral shell of guide frame are equipped between main body of vehicle frame 11 and axle shaft 21
The centerline direction for revolving buffer spring is parallel.
Preferably, the guide direction of guide frame is up and down direction (vertical direction).
Preferably, guide frame includes pilot hole 251 and the guide post 13 that is arranged in pilot hole 251, guide post, guiding
Hole one of both is arranged on main body of vehicle frame, and another one is arranged on axle shaft.
One end of guide post 13 is connected with main body of vehicle frame 11, and screw buffer spring 3 is set in the outside of guide post 13, and
Linear reciprocating motion is done along guide post 13.
Guide post 13 and the cooperation of pilot hole 251 are oriented to the movement of screw buffer spring 3, so that screw buffer spring
3 carry out linear reciprocating motion along guide post 13.Preferably, guide post 13 is cylindrical, and the axis of guide post 13 is vertically square
To setting, axle assembly can carry out upper and lower vibration, one end (upper end) of guide post 13 and vehicle in the limitation of guide post 13
Frame body 11 is connected.
Preferably, one end of guide post 13 is fixedly connected with main body of vehicle frame 11.
One end of guide post 13 and main body of vehicle frame 11 are welded to connect, alternatively, guide post 13 passes through fastener (such as screw)
It is fixedly connected with main body of vehicle frame 11, alternatively, guide post 13 is clamped with 11 phase of main body of vehicle frame.
Preferably, drag pump further includes fixing seat 12, and fixing seat 12 is arranged in main body of vehicle frame 11 along 21 axis direction of axle shaft
End, screw buffer spring 3 is connected in fixing seat 12.
Main body of vehicle frame 11 is main body of vehicle frame 11 close to the end of tyre rim 22 along the end of 21 axis of axle shaft, preferably
Ground, the outside of main body of vehicle frame 11 is arranged in fixing seat 12, and is located at the inside of tyre rim 22, wherein close to 100 center of drag pump
Direction be interior, be outer far from the direction at 100 center of drag pump.Fixing seat 12 is connected on main body of vehicle frame 11, and guide post 13 connects
In fixing seat 12, so that guide post is connected on main body of vehicle frame by fixing seat.
The upper end of screw buffer spring 3 is connected in fixing seat 12, and such fixing seat 12 is also opposite in screw buffer spring 3
Position-limiting action is played to the up and down motion of screw buffer spring 3 when guide post 13 moves.The upper end of screw buffer spring 3 abuts
On the lower surface of fixing seat 12, and the lower surface of fixing seat 12 is in planar.
Preferably, guide post 13 is connected by fixing seat 12 with main body of vehicle frame 11.
Preferably, one end of guide post 13 is fixedly connected with fixing seat 12, and fixing seat 12 is fixedly connected with main body of vehicle frame 11.
One end of guide post 13 is welded with 12 phase of fixing seat, alternatively, being connected by fastener (such as screw) and fixing seat 12
It connects, alternatively, guide post 13 is clamped with 12 phase of fixing seat.Further, fixing seat 12 is equipped with the installation passed through for guide post 13
The upper end in hole, guide post 13 passes through mounting hole.Fixing seat 12 and the welding of 11 phase of main body of vehicle frame or fixing seat 12 and main body of vehicle frame
11 are connected by fastener (such as screw), alternatively, fixing seat 12 is clamped with 11 phase of main body of vehicle frame.
Preferably, the other end with axle shaft 21 of guide post 13 is fixedly connected.
The other end (lower end) of guide post 13 and axle shaft 21 are welded to connect, alternatively, guide post 13 by fastener (such as
Screw) it is fixedly connected with axle shaft 21, alternatively, guide post 13 is clamped with 21 phase of axle shaft.
Preferably, drag pump further include: limited block 25, limited block 25 are connected with axle shaft 21, and screw buffer spring 3 supports
It connects on limited block 25.
The lower end of screw buffer spring 3 is connected on limited block 25, and such limited block 25 is also opposite in screw buffer spring 3
Position-limiting action is played to the up and down motion of screw buffer spring 3 when guide post 13 moves.Preferably, screw buffer spring 3
Lower end is connected on the upper surface of limited block 25, and the upper surface of limited block 25 is in planar.
In the case that the original length of screw buffer spring 3 is certain, the thickness of limited block 25 limits 3 quilt of screw buffer spring
The amplitude of compression.When the thickness of limited block 25 is larger, the compressed amplitude of screw buffer spring 3 is small；When the thickness of limited block 25
When spending smaller, the compressed amplitude of screw buffer spring 3 is big.
Preferably, pilot hole 251 is arranged on limited block 25, and the other end of guide post 13 is located in pilot hole 251, and energy
It is enough to be moved relative to pilot hole 251；Guide post 13 is equipped with limiting section, and limiting section is matched with the outer of pilot hole one end, with
Prevent guide post 13 from deviating from from pilot hole 251.
Limited block 25 is equipped with pilot hole 251, and the lower end of guide post 13 is protruded into pilot hole 251, and guide post 13 can
It moves up and down relative to pilot hole 251.Limited block is connected on axle shaft 21, and moves with axle shaft.To prevent vehicle bridge
When assembly moves downward, guide post 13 is deviate from from pilot hole 251, and guide post 13 is equipped with limiting section, when axle assembly is downward
When movement, limiting section is interferenceed with pilot hole, to prevent guide post 13 from deviating from from pilot hole 251.
Preferably, pilot hole 251 is arranged in close to the side of axle shaft in limiting section, and the contour dimension of limiting section is greater than guiding
The diameter in hole 251.
The contour dimension of limiting section is greater than the size of pilot hole 251, and limiting section is located at pilot hole 251 away from fixing seat 12
Side, that is, be located at pilot hole 251 lower section, such limiting section can not from pilot hole 251 prolapse upwards.
Preferably, limiting section includes pressing plate 26, and pressing plate 26 is fixedly connected on the other end (lower end) of guide post 13.
Pressing plate 26 is fixedly connected with guide post 13 by fastener 24 (such as screw), as shown in fig. 6, pressing plate passes through fastening
Part is fixed on the lower end of guide post, alternatively, pressing plate 26 is welded in guide post 13, alternatively, pressing plate 26 is connected in guide post 13.
Preferably, the quantity of screw buffer spring 3 is multiple, and multiple screw buffer springs 3 are separately positioned on main body of vehicle frame
11 both ends opposite along 21 axis direction of axle shaft, and main body of vehicle frame 11 along 21 axis direction of axle shaft every one end at least
Equipped with a screw buffer spring 3.
Axle shaft 21 is in the front side and rear side for leaning on two close end respectively by least one screw buffer spring and vehicle frame master
The support connection of body 11.
According to construction weight and size, screw buffer spring 3 can be with lateral arrangement one or more.It is slow that multiple spirals are set
The impact force of Uneven road generation can preferably be buffered by rushing spring 3, and multiple screw buffer springs 3 are separately positioned on main body of vehicle frame
11 both ends opposite along 21 axis direction of axle shaft, so that both ends stress of the main body of vehicle frame 11 along 21 axis direction of axle shaft
Balance.
As shown in Figures 4 to 6,1) axle shaft 21 and tyre rim 22 pass through bearing and bearing block 23 connects into a vehicle bridge
Total integral, tyre rim 22 can carry out 360 ° around axle shaft 21 and be freely rotated；2) above-mentioned axle assembly is whole, passes through
Screw buffer spring 3, limited block 25, guide post 13 and securing member and main body of vehicle frame 11, which are formed, to be connected；3) main body of vehicle frame 11,
Guide post 13, fixing seat 12 are by being formed by welding main body of vehicle frame 11；4) there is helical buffer between axle assembly and main body of vehicle frame 11
Spring 3；5) when bumpy road tows, tyre rim 22 will receive the impact force from ground, which is transmitted to vehicle
Axle assembly is whole, at this point, the impact force can generate the effect of power to screw buffer spring 3, it is under this force, slow to spiral
It rushes spring 3 to be compressed, axle assembly can integrally carry out upper and lower movement along the direction of guide post 13 at this time.That is this
When due to ground injustice bring impact force, buffered by screw buffer spring 3, be not directly transmitted to main body of vehicle frame 11, from
And avoiding it is led to the failure of structure crack by additional external force.
Embodiment two:
It is with the difference of embodiment one, one end (lower end) of guide post is connected with axle shaft, and fixing seat is arranged in vehicle
In bridge axle, guide post is connected by fixing seat with axle shaft.Limited block is arranged on main body of vehicle frame, and pilot hole setting is limiting
On block, the other end (upper end) of guide post passes through pilot hole, and can move up and down relative to pilot hole.
Preferably, the lower end of guide post is fixedly connected with (such as welding or fastener are connect), helical buffer bullet with fixing seat
The lower end of spring is connected on the upper surface of fixing seat, and in planar, limited block is fixed on main body of vehicle frame for the upper surface of fixing seat,
The upper end of guide post passes through pilot hole, and the upper end of screw buffer spring is connected on the lower surface of limited block, is arranged in guide post
There is limiting section, by the cooperation of limiting section and pilot hole, prevents guide post from deviating from from pilot hole.
Limiting section is arranged in side of the pilot hole close to main body of vehicle frame, i.e. limiting section top that pilot hole is arranged in.
In conclusion vehicle bridge 10,1 provided by the embodiment of the utility model) vehicle bridge 10 has screw buffer spring 3, can delay
Punching ground faces the impact of equipment itself, because of the failure that cracks of body itself caused by vibration when avoiding quickly towing；2) this structure
The screw buffer spring 3 used, is simple to manufacture, at low cost, its is low in cost for relatively current extensive practical flat spring structure,
More have practical value；3) this structure vehicle bridge 10 does not need special mounting structure, and installation maintenance is simple, fast.
In the description of the present invention, unless otherwise clearly defined and limited, term " multiple " refers to two or two
More than a；Unless otherwise prescribed or illustrate, term " connection ", " fixation " etc. shall be understood in a broad sense, for example, " connection " can be
It is fixedly connected, may be a detachable connection, or be integrally connected, or electrical connection；It can be directly connected, it can also be in
Between medium be indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in utility model.
In the description of this specification, it is to be understood that the instruction such as term " on ", "lower", "front", "rear", "left", "right"
Orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and letter
Change description, rather than the device or unit of indication or suggestion meaning must have specific direction, with specific orientation construct and
Operation, it is thus impossible to be construed as a limitation of the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of drag pump characterized by comprising
Main body of vehicle frame and axle assembly, the axle assembly include axle shaft and the tire with axle shaft end rotation connection
Wheel rim, wherein supported and connected by screw buffer spring between the main body of vehicle frame and the axle shaft.
2. drag pump according to claim 1, which is characterized in that
The center line of the screw buffer spring is along the vertical direction.
3. drag pump according to claim 2, which is characterized in that
Guide frame, and the guide direction of the guide frame and the spiral shell are equipped between the main body of vehicle frame and the axle shaft
Revolve the centerline parallel of buffer spring.
4. drag pump according to claim 3, which is characterized in that
The guide frame includes pilot hole and the guide post that is arranged in the pilot hole, both the guide post, pilot hole
One of be arranged on the main body of vehicle frame, another one be arranged on the axle shaft.
5. drag pump according to claim 4, which is characterized in that
The screw buffer spring is set in the outside of the guide post.
6. drag pump according to claim 4, which is characterized in that
It further include fixing seat, the fixing seat is arranged on one in both the main body of vehicle frame and the axle shaft, described
Guide post is fixedly installed on the fixing seat, and the screw buffer spring abuts on the fixing seat.
7. drag pump according to claim 6, which is characterized in that
It further include limited block, the limited block is arranged on another in the main body of vehicle frame and the axle shaft, described to lead
It is arranged on the limited block to hole, and the screw buffer spring is connected on the limited block.
8. drag pump according to claim 4, which is characterized in that
One end of the guide post, which is equipped with, to be cooperated with the outer of described pilot hole one end to prevent the guide post from leading from described
The limiting section of Xiang Kongzhong abjection.
9. drag pump according to claim 8, which is characterized in that
The limiting section is the pressing plate being bolted on the guide post end face, and the contour dimension of the pressing plate is greater than institute
State the diameter of pilot hole.
10. drag pump according to any one of claim 1 to 9, which is characterized in that
The axle shaft by two close end front side and rear side respectively by least one described screw buffer spring with it is described
Main body of vehicle frame support connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821883720.7U CN209037336U (en) | 2018-11-15 | 2018-11-15 | Drag pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821883720.7U CN209037336U (en) | 2018-11-15 | 2018-11-15 | Drag pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209037336U true CN209037336U (en) | 2019-06-28 |
Family
ID=67042354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821883720.7U Active CN209037336U (en) | 2018-11-15 | 2018-11-15 | Drag pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209037336U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109367339A (en) * | 2018-11-15 | 2019-02-22 | 三汽车制造有限公司 | Drag pump |
| CN111645716A (en) * | 2020-06-23 | 2020-09-11 | 株洲时代新材料科技股份有限公司 | Guide wheel device for railway vehicle and guide wheel position adjusting method thereof |
-
2018
- 2018-11-15 CN CN201821883720.7U patent/CN209037336U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109367339A (en) * | 2018-11-15 | 2019-02-22 | 三汽车制造有限公司 | Drag pump |
| CN111645716A (en) * | 2020-06-23 | 2020-09-11 | 株洲时代新材料科技股份有限公司 | Guide wheel device for railway vehicle and guide wheel position adjusting method thereof |
| CN111645716B (en) * | 2020-06-23 | 2021-07-20 | 株洲时代新材料科技股份有限公司 | Guide wheel device for railway vehicle and guide wheel position adjusting method thereof |
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