CN208360207U - A kind of steering control device of field measurement moving trolley - Google Patents
A kind of steering control device of field measurement moving trolley Download PDFInfo
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- CN208360207U CN208360207U CN201820811993.4U CN201820811993U CN208360207U CN 208360207 U CN208360207 U CN 208360207U CN 201820811993 U CN201820811993 U CN 201820811993U CN 208360207 U CN208360207 U CN 208360207U
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- fixedly connected
- steering
- cabinet
- fixed pin
- moving trolley
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Abstract
The utility model discloses a kind of steering control devices of field measurement moving trolley, including cabinet, the side of the bottom of box is fixedly connected with cross bar, the both ends of cross bar are fixedly connected to steering base, the center of steering base is rotatably connected to steering block by the first fixed pin, the side of steering block is fixedly connected with push rod, cross bar is fixedly connected with steering transmission linkage in the middle part of side, the internal slide of steering transmission linkage is connected with turning-bar, turning-bar is fixedly connected with rack gear close to the side of steering transmission linkage, connection is engaged with rack in steering transmission linkage, the both ends of turning-bar are fixedly connected with the second fixed pin by fixation hole, the surface of second fixed pin and push rod are sequentially connected, the top of cabinet wall and be located at cross bar opposite position be fixedly connected with deceleration device, the utility model relates to moving trolley technical fields.The steering control device of this kind of field measurement moving trolley solves the problems, such as that direction controlling is unstable in moving process.
Description
Technical field
The utility model relates to moving trolley technical field, specially a kind of course changing control of field measurement moving trolley
Device.
Background technique
Field measurement, be measure on the ground point-to-point transmission apart from each other apart from when, first to measure one between two points
Straight line, since the tool of measurement is more, is born, usually then again with tool along the distance of line measurement point-to-point transmission to mitigate
Measuring tool is placed in moving trolley and is carried, but existing moving trolley is usually using Universal wheel structure, due to ground
Out-of-flatness, direction controlling are not sufficiently stable, and easily cause moving direction to deviate during cart so that trolley generates shaking, to survey
The instrument of amount has a certain impact.
Summary of the invention
In view of the deficiencies of the prior art, the utility model provides a kind of course changing control dress of field measurement moving trolley
It sets, solves the problems, such as that direction controlling is unstable in moving process.
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of field measurement movement
The steering control device of trolley, including cabinet, the side of the bottom of box are fixedly connected with cross bar, and the both ends of the cross bar are equal
It is fixedly connected with steering base, the center of the steering base is rotatably connected to steering block by the first fixed pin, and the steering block is remote
Side from steering base is fixedly connected with mounting flange, and the side of the steering block is fixedly connected with push rod, the cross bar side
Middle part be fixedly connected with steering transmission linkage, the top of the steering transmission linkage through cabinet bottom and extend to cabinet
Inside, the internal slide of the steering transmission linkage is connected with turning-bar, the turning-bar close to steering transmission linkage one
Side is fixedly connected with rack gear, and connection is engaged with rack in the steering transmission linkage, and the both ends of the turning-bar offer fixation hole,
The center of the fixation hole is fixedly connected with the second fixed pin, and the surface of second fixed pin and push rod are sequentially connected, described
The top of cabinet wall and it is located at cross bar opposite position and is fixedly connected with deceleration device, the center of the deceleration device is fixed is connected
It is connected to the first transmission shaft, first transmission shaft is fixedly connected with universal joint far from one end of deceleration device, and the universal joint is remote
One end from the first transmission shaft is fixedly connected with second driving shaft, and the one end of the second driving shaft far from universal joint and steering pass
One end that dynamic device extends to box house is fixedly connected.
Preferably, the surface of first fixed pin and be located at steering base bottom thread be connected with fixture nut, it is described
The bottom of first fixed pin and the second fixed pin is fixedly connected with latch.
Preferably, the surface pivots of first transmission shaft are connected with the first fixing seat, the side of first fixing seat
It is fixedly connected with cabinet wall.
Preferably, the side of the deceleration device through cabinet wall and extends to outside cabinet, and the deceleration device prolongs
It extends to one end outside cabinet and is fixedly connected with turntable, the side of the turntable is fixedly connected with swing handle.
Preferably, the steering transmission linkage includes lower case and upper housing, and the lower case and upper housing pass through fixation
Screw rod is fixedly connected, and the lower rotation of the lower case inner wall is connected with connecting shaft, and the surface of the connecting shaft is fixedly connected with
The top of transmission gear, the connecting shaft runs through the top of upper enclosure inner wall and extends to the outside of upper housing, the lower case
The two sides opposite with upper enclosure inner wall offer sliding slot.
Preferably, the surface of the turning-bar offers the guide groove being adapted to steering transmission linkage.
Preferably, the deceleration device includes the second fixing seat, and the center rotating of second fixing seat is connected with worm screw,
The surface engagement of the worm screw is connected with worm gear, and one end of the worm screw runs through cabinet wall and extends to the outside of cabinet, institute
It states and is rotatablely connected between worm screw and cabinet wall by bearing.
Preferably, the principle that the worm and wheel is selected is that the expansion helical angle of worm screw is contacted less than worm and wheel
Angle of friction.
Preferably, the surface of the push rod offers the strip hole being adapted to the second fixed pin, second fixed pin
Surface is slidably connected with strip hole inner wall, the assembly method that second fixed pin and fixation hole use basic hole system to be interference fitted.
Preferably, the cross bar uses diesis universal joint using duplexing font steel, the universal joint.
Preferably, the push rod and turning-bar are made of fatigue proof alloy material, the endurance alloy material by with
Lower mass percent at being grouped as: Al (aluminium): 3-5%, V (vanadium): 0.7%-1.2%, Cr (chromium): 2.1-3%, W (tungsten):
1%-2%, Zr (zirconium): 1%-1.5%, Nb (niobium): 0.5%-1.5%, Mo (molybdenum): 0.2%-0.5%, Fe (iron): 0.2%-
0.5%, surplus is titanium and inevitable impurity.
The utility model provides a kind of steering control device of field measurement moving trolley.Have following beneficial to effect
Fruit:
(1), the steering control device of this kind of field measurement moving trolley is fixedly connected to by the both ends of cross bar and is turned
To seat, the center of steering base is rotatably connected to steering block by the first fixed pin, and the side of steering block is fixedly connected with push rod, horizontal
Steering transmission linkage is fixedly connected in the middle part of bar side, the internal slide of steering transmission linkage is connected with turning-bar, turning-bar
Both ends offer fixation hole, the center of fixation hole is fixedly connected with the second fixed pin, and the surface of the second fixed pin and push rod pass
Dynamic connection is rotated using the mobile promotion steering block of turning-bar, realizes the control to driving direction；Pass through cabinet wall again
Top and be located at cross bar opposite position be fixedly connected with deceleration device, the center of deceleration device is fixedly connected with the first transmission
Axis, the first transmission shaft are fixedly connected with universal joint far from one end of deceleration device, and one end of universal joint is fixedly connected with the second biography
Moving axis, one end that deceleration device extends to outside cabinet are fixedly connected with turntable, and the side of the turntable is fixedly connected with rotation
Handle realizes the movement using turntable control turning-bar, so that the steering of trolley is controllable, while keeping away using deceleration device
Exempt from trolley driving direction and accidental change occurs, ensure that driving trace.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model structural side view；
Fig. 3 is sectional view along A-A in the utility model Fig. 1；
Fig. 4 is enlarged drawing at A in the utility model Fig. 1；
Fig. 5 is the structural schematic diagram of the utility model steering transmission linkage；
Fig. 6 is the structural schematic diagram of the utility model deceleration device.
In figure: 1- cabinet, 2- cross bar, 3- steering base, the first fixed pin of 4-, 5- steering block, 6- mounting flange, 7- push rod,
8- steering transmission linkage, 81- lower case, 82- upper housing, 83- standing screw, 84- connecting shaft, 85- transmission gear, 86- sliding slot,
9- turning-bar, 10- rack gear, 11- fixation hole, the second fixed pin of 12-, 13- deceleration device, the second fixing seat of 131-, 132- worm screw,
133- worm gear, the first transmission shaft of 14-, 15- universal joint, 16- second driving shaft, 17- fixture nut, the first fixing seat of 18-, 19-
Turntable, 20- handle.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-6 is please referred to, the utility model provides a kind of technical solution: a kind of steering control of field measurement moving trolley
Device processed, including cabinet 1, the side of 1 bottom of cabinet are fixedly connected with cross bar 2, and cross bar 2 is improved anti-using duplexing font steel
Curved ability, the both ends of cross bar 2 are fixedly connected to steering base 3, and the center of steering base 3 is rotatably connected to by the first fixed pin 4
Steering block 5, steering block 5 are fixedly connected with mounting flange 6 far from the side of steering base 3, are used for fixing vehicle wheel.The one of steering block 5
Side is fixedly connected with push rod 7, and steering block 5 is pushed to rotate, and is fixedly connected with steering transmission linkage 8 in the middle part of 2 side of cross bar, turns to
Transmission device 8 includes lower case 81 and upper housing 82, and lower case 81 is fixedly connected with upper housing 82 by standing screw 83, lower casing
The lower rotation of 81 inner wall of body is connected with connecting shaft 84, and the surface of connecting shaft 84 is fixedly connected with transmission gear 85, connecting shaft 84
Top through 82 inner wall of upper housing top and extend to the outside of upper housing 82, lower case 81 is opposite with 82 inner wall of upper housing
Two sides offer sliding slot 86, convenient for the movement of turning-bar 9, the top of steering transmission linkage 8 through cabinet 1 bottom and prolong
The inside of cabinet 1 is extended to, the internal slide of steering transmission linkage 8 is connected with turning-bar 9, and the surface of turning-bar 9 offers and turns
The guide groove being adapted to transmission device 8, guarantees the moving direction of turning-bar 9.Turning-bar 9 is close to the side of steering transmission linkage 8
It is fixedly connected with rack gear 10, steering transmission linkage 8 engages connection with rack gear 10, so that turning-bar 9 is mobile.The both ends of turning-bar 9
Fixation hole 11 is offered, the center of fixation hole 11 is fixedly connected with the second fixed pin 12, and the surface of push rod 7 is offered to be consolidated with second
The strip hole that rationed marketing 12 is adapted to, surface and the strip hole inner wall of the second fixed pin 12 are slidably connected, and drive the rotation of push rod 7, the
Two fixed pins 12, using the assembly method of basic hole system interference fit, avoid the second fixed pin 12 from pitching with fixation hole 11.In cabinet 1
The top of wall and it is located at 2 opposite position of cross bar and is fixedly connected with deceleration device 13, deceleration device 13 includes the second fixing seat
131, the center rotating of the second fixing seat 131 is connected with worm screw 132, and the surface engagement of worm screw 132 is connected with worm gear 133, is convenient for
Rotation.One end of worm screw 132 runs through 1 inner wall of cabinet and extends to the outside of cabinet 1, passes through between 1 inner wall of worm screw 132 and cabinet
The principle that bearing rotation connection, worm screw 132 and worm gear 133 are selected is that the expansion helical angle of worm screw 132 is less than worm screw 132 and worm gear
The angle of friction of 133 contacts, realization is self-locking, avoids the unintentional rotation of worm gear 133.The center of deceleration device 13 is fixedly connected with first
Transmission shaft 14, the first transmission shaft 14 are fixedly connected with universal joint 15 far from one end of deceleration device 13, and universal joint 15 is using double ten
Word universal joint, universal joint 15 are fixedly connected with second driving shaft 16 far from one end of the first transmission shaft 14, and second driving shaft 16 is remote
One end from universal joint 15 is fixedly connected with one end that steering transmission linkage 8 extends to inside cabinet 1, the table of the first fixed pin 4
Face and be located at steering base 3 bottom thread be connected with fixture nut 17, avoid the loosening of the first fixed pin 4.First fixed pin, 4 He
The bottom of second fixed pin 12 is fixedly connected with latch, avoids the loosening of the first fixed pin 4 and the second fixed pin 12.First passes
The surface pivots of moving axis 14 are connected with the first fixing seat 18, and the side of the first fixing seat 18 is fixedly connected with 1 inner wall of cabinet, slow down
The side of device 13 is through 1 inner wall of cabinet and extends to outside cabinet 1, and it is solid that deceleration device 13 extends to one end outside cabinet 1
Surely it is connected with turntable 19, the side of turntable 19 is fixedly connected with swing handle 20, convenient for rotation.
When work, turntable 19 is rotated by handle 20, turntable 19 drives worm screw 132 to rotate, and passes through Worm Wheel System reality
Existing worm gear 133 rotates, and the rotation of connecting shaft 84 is driven by the first transmission shaft 14, universal joint 15 and second driving shaft 16, even
Spindle 84 is rotated with nutating gear 85, and the movement of turning-bar 9, turning-bar 9 are driven by transmission gear 85 and the engagement of rack gear 10
Both ends drive push rod 7 rotate around the first fixed pin 4 by the second fixed pin 12, and the rotation of steering block 5 is realized, with motor car wheel
Rotation, realize the control of driving direction；In Worm Wheel System, the principle of worm screw 132 and the selection of worm gear 133 is worm screw
132 expansion helical angle is less than the angle of friction that worm screw 132 contacts with worm gear 133, and realization is self-locking, avoids wheel and is turned by external force
It is dynamic, it ensure that driving direction is stablized.
The push rod and turning-bar are made of fatigue proof alloy material, and the endurance alloy material is by following quality hundred
Point ratio at being grouped as: Al (aluminium): 3-5%, V (vanadium): 0.7%-1.2%, Cr (chromium): 2.1-3%, W (tungsten): 1%-2%, Zr
(zirconium): 1%-1.5%, Nb (niobium): 0.5%-1.5%, Mo (molybdenum): 0.2%-0.5%, Fe (iron): 0.2%-0.5%, surplus
For titanium and inevitable impurity.
V element is usually replaced by the way that a certain amount of Cr and W member is added.It is a significant increase the ageing-resistant performance and Nai Jin of material
Belong to fatigue behaviour.The increase of V element can reduce the corrosion resistance of material, and Cr member is added by replacement and usually improves the resistance to of material
W is added to improve the fatigue strength and corrosion resistance of material in ageing properties and harden ability, replacement.
Corrosion resistance is promoted by the way that certain Mo, Nb and Zr is added.The titanium with good corrosion resistance has been obtained to close
Golden material.Mo, Nb and Zr element can not only improve the absolute acid stability of material, moreover it is possible to while improving the oxidative resistance of material and tough
Property.
The titanium alloy is passed through CO at 78 DEG C2It boosts and continues 240h, there is no point corrosion.β is molten under the conditions of 570 DEG C
Solution 8 hours, not big crystal boundary is formed without Precipitation band.In 1%HCl solution under the conditions of boiling, annual corrosion rate is lower than
2.6mpy.Under the conditions of load p max=900, Pmin=90, fatigue life >=90000.
Following examples are provided with regard to improved material below:
Comparative example 1
This design use following mass percent at being grouped as: Al (aluminium): 6%, V (vanadium): 4%, surplus be titanium and
Inevitable impurity.
Embodiment 1
This design use following mass percent at being grouped as: Al (aluminium): 3%, V (vanadium): 1%, Cr (chromium): 2%,
Mo (molybdenum): 0.2%, Fe (iron): 0.3%, surplus is titanium and inevitable impurity.
Embodiment 2
This design use following mass percent at being grouped as: Al (aluminium): 3%, V (vanadium): 0.7%, Cr (chromium):
2.1%, W (tungsten): 1%, Zr (zirconium): 1%, Nb (niobium): 0.5%, Mo (molybdenum): 0.2%, Fe (iron): 0.2%, surplus be titanium and
Inevitable impurity.
Embodiment 3
This design use following mass percent at being grouped as: Al (aluminium): 4%, V (vanadium): 0.95%, Cr (chromium):
2.6%, W (tungsten): 1.5%, Zr (zirconium): 1.25%, Nb (niobium): 0.35%, Mo (molybdenum): 0.3%, Fe (iron): 0.2%-
0.5%, surplus is titanium and inevitable impurity.
Embodiment 4
This design use following mass percent at being grouped as: Al (aluminium): 5%, V (vanadium): 1.2%, Cr (chromium):
3%, W (tungsten): 2%, Zr (zirconium): 1.5%, Nb (niobium): 1.5%, Mo (molybdenum): 0.5%, Fe (iron): 0.45%, surplus be titanium and
Inevitable impurity.
Further to verify the beneficial effects of the utility model, comparative example 1 and embodiment 1-4 are detected respectively,
Detection content includes simulation CO2Corrosion, ageing-resistant test, acid corrosion-resistant test, fatigue performance test, test method are as follows:
(1) CO is simulated2Corrosion: being first passed through High Purity Nitrogen 10h deoxygenation before test, then loads onto sample sealing, continues to be passed through height
Purity nitrogen 2h deoxygenation, then heats up, is passed through CO2Boosting, operating temperature are 78 DEG C, pressure 1MPa, revolving speed 1.2m/s, when test
Between be 240h.The results are shown in Table 1
1 corrosive effect of table is shown
| Test material | Average corrosion situation (pit corrosion size unit nm) |
| Comparative example 1 | 2 |
| Embodiment 1 | 1.5 |
| Embodiment 2 | 1 |
| Embodiment 3 | 0.8 |
| Embodiment 4 | 0.8 |
As can be seen from Table 1: the pit corrosion size of embodiment 2-4 is significantly less than comparative example 1 and embodiment 1, illustrates W, Nb, Zr
Addition have good improvement to the corrosion resistance of material.
(2) ageing-resistant test: β dissolves 8 hours under the conditions of 570 DEG C, and not big crystal boundary is formed without Precipitation band.Knot
Fruit is as shown in table 2.
2 ageing-resistant effect of table is shown
| Test material | Crystal boundary is without Precipitation band size (μm) |
| Comparative example 1 | ≤50 |
| Embodiment 1 | ≤25 |
| Embodiment 2 | ≤10 |
| Embodiment 3 | ≤10 |
| Embodiment 4 | ≤10 |
As can be seen from Table 2: the crystal boundary of embodiment 2-4 is significantly less than comparative example 1 and embodiment without Precipitation band size
1, illustrate W, the addition of Nb, Zr have good improvement to the ageing-resistant performance of material.
(3) acid corrosion-resistant is tested: testing annual corrosion rate in 1%HCl solution under the conditions of boiling.
The results are shown in Table 3.
3 acid corrosion-resistant effect of table is shown
| Test material | Corrosion rate (mpy) |
| Comparative example 1 | 650 |
| Embodiment 1 | 13 |
| Embodiment 2 | 6.6 |
| Embodiment 3 | 1.5 |
| Embodiment 4 | 8.0 |
As can be seen from Table 3: the 2.5-5mpy corrosion rate of embodiment 1-4 is significantly less than the 650mpy corrosion of comparative example 1
Rate illustrates that the addition of Mo and Cr has been obviously improved the acid corrosion-resistant performance of material, and the acid corrosion-resistant performance of embodiment 2-4
Below embodiment 1, shows W, and the addition of Nb, Zr further improve the acid corrosion-resistant performance of material.
(4) fatigue performance is tested: experimental basis uses GB6399-86, test frequency 4Hz
4 endurance effect of table is shown
As can be seen from Table 4: 75000 fatigue lives of embodiment 1 compare 50000 fatigue lives of comparative example 1, can
To find out that embodiment 1-4 obtains good fatigue performance.Show that the addition of Mo and Cr improves the endurance of material really
Performance.The 85000-93000 fatigue life of embodiment 2-4 also has certain compared to 75000 fatigue lives of embodiment 1
It is promoted.Illustrate W, the addition of Nb, Zr further improve the fatigue performance of material.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (9)
1. a kind of steering control device of field measurement moving trolley, including cabinet (1), it is characterised in that: the cabinet (1)
The side of bottom is fixedly connected with cross bar (2), and the both ends of the cross bar (2) are fixedly connected to steering base (3), the steering base
(3) center is rotatably connected to steering block (5) by the first fixed pin (4), and the one of the steering block (5) separate steering base (3)
Side is fixedly connected with mounting flange (6), and the side of the steering block (5) is fixedly connected with push rod (7), cross bar (2) side
Middle part be fixedly connected with steering transmission linkage (8), the top of the steering transmission linkage (8) through cabinet (1) bottom simultaneously
The inside of cabinet (1) is extended to, the internal slide of the steering transmission linkage (8) is connected with turning-bar (9), the turning-bar
(9) side close to steering transmission linkage (8) is fixedly connected with rack gear (10), the steering transmission linkage (8) and rack gear (10)
Engagement connection, the both ends of the turning-bar (9) offer fixation hole (11), and the center of the fixation hole (11) is fixedly connected with the
Two fixed pins (12), the surface and push rod (7) of second fixed pin (12) are sequentially connected, the top of cabinet (1) inner wall
And be located at cross bar (2) opposite position and be fixedly connected with deceleration device (13), the center of the deceleration device (13) is fixedly connected
Have the first transmission shaft (14), first transmission shaft (14) is fixedly connected with universal joint far from the one end of deceleration device (13)
(15), the universal joint (15) is fixedly connected with second driving shaft (16) far from the one end of the first transmission shaft (14), and described second
Transmission shaft (16) one end and steering transmission linkage (8) far from universal joint (15) extend to the fixed company in the internal one end of cabinet (1)
It connects.
2. a kind of steering control device of field measurement moving trolley according to claim 1, it is characterised in that: described
The surface of first fixed pin (4) and be located at steering base (3) bottom thread be connected with fixture nut (17), first fixed pin
(4) and the bottom of the second fixed pin (12) is fixedly connected with latch.
3. a kind of steering control device of field measurement moving trolley according to claim 1, it is characterised in that: described
The surface pivots of first transmission shaft (14) are connected with the first fixing seat (18), the side of first fixing seat (18) and cabinet
(1) inner wall is fixedly connected.
4. a kind of steering control device of field measurement moving trolley according to claim 1, it is characterised in that: described
The side of deceleration device (13) is through cabinet (1) inner wall and extends to cabinet (1) outside, and the deceleration device (13) extends to case
The external one end of body (1) is fixedly connected with turntable (19), and the side of the turntable (19) is fixedly connected with swing handle (20).
5. a kind of steering control device of field measurement moving trolley according to claim 1, it is characterised in that: described
Steering transmission linkage (8) includes lower case (81) and upper housing (82), and the lower case (81) and upper housing (82) pass through fixation
Screw rod (83) is fixedly connected, and the lower rotation of lower case (81) inner wall is connected with connecting shaft (84), the connecting shaft (84)
Surface be fixedly connected with transmission gear (85), the top of the connecting shaft (84) through upper housing (82) inner wall top and prolong
The outside of upper housing (82) is extended to, the lower case (81) two sides opposite with upper housing (82) inner wall offer sliding slot
(86)。
6. a kind of steering control device of field measurement moving trolley according to claim 1, it is characterised in that: described
The surface of turning-bar (9) offers the guide groove being adapted to steering transmission linkage (8).
7. a kind of steering control device of field measurement moving trolley according to claim 1, it is characterised in that: described
Deceleration device (13) includes the second fixing seat (131), and the center rotating of second fixing seat (131) is connected with worm screw (132),
The surface engagement of the worm screw (132) is connected with worm gear (133), and one end of the worm screw (132) through cabinet (1) inner wall and is prolonged
The outside of cabinet (1) is extended to, is rotatablely connected between the worm screw (132) and cabinet (1) inner wall by bearing.
8. a kind of steering control device of field measurement moving trolley according to claim 7, it is characterised in that: described
The principle that worm screw (132) and worm gear (133) are selected is that the expansion helical angle of worm screw (132) is less than worm screw (132) and worm gear (133)
The angle of friction of contact.
9. a kind of steering control device of field measurement moving trolley according to claim 1, it is characterised in that: described
The surface of push rod (7) offers the strip hole being adapted to the second fixed pin (12), the surface of second fixed pin (12) and length
Hole inner wall is slidably connected, and second fixed pin (12) and fixation hole (11) use the assembly method of basic hole system interference fit；
The cross bar (2) uses diesis universal joint using duplexing font steel, the universal joint (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820811993.4U CN208360207U (en) | 2018-05-29 | 2018-05-29 | A kind of steering control device of field measurement moving trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820811993.4U CN208360207U (en) | 2018-05-29 | 2018-05-29 | A kind of steering control device of field measurement moving trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208360207U true CN208360207U (en) | 2019-01-11 |
Family
ID=64930569
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820811993.4U Expired - Fee Related CN208360207U (en) | 2018-05-29 | 2018-05-29 | A kind of steering control device of field measurement moving trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208360207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423042A (en) * | 2018-05-29 | 2018-08-21 | 西华大学 | A kind of steering control device of field measurement moving trolley |
-
2018
- 2018-05-29 CN CN201820811993.4U patent/CN208360207U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423042A (en) * | 2018-05-29 | 2018-08-21 | 西华大学 | A kind of steering control device of field measurement moving trolley |
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Granted publication date: 20190111 Termination date: 20190529 |