CN205905795U - Engineering machine instrument desk locking mechanism - Google Patents
Engineering machine instrument desk locking mechanism Download PDFInfo
- Publication number
- CN205905795U CN205905795U CN201620850163.3U CN201620850163U CN205905795U CN 205905795 U CN205905795 U CN 205905795U CN 201620850163 U CN201620850163 U CN 201620850163U CN 205905795 U CN205905795 U CN 205905795U
- Authority
- CN
- China
- Prior art keywords
- tooth bar
- tooth
- shaft sleeve
- fixed
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an engineering machine instrument desk locking mechanism relates to engineering machine tool technical field, including last axle sleeve (15), lower axle sleeve (13) and locking device, axle sleeve (13) are fixed on the steer axle mounting bottom plate down, and the steer axle mounting bottom plate is fixed on the driver's cabin bottom plate, it is articulated with lower axle sleeve (13) to go up axle sleeve (15) lower extreme, its characterized in that, locking device includes support (2), transmission shaft (3), linking arm (4), pull rod (5), pressure spring seat (6), pressure spring (7), connecting axle (8), rack (9), pinion rack (10), rack seat (11), rack shaft (12) and pedal (1), the utility model has the advantage of scientific and reasonable design, simple structure, operation save trouble, laborsaving, the effect is reliable, long service life.
Description
Technical field
Technical field of engineering machinery of the present invention, more particularly, to engineering mechanical instruments platform retaining mechanism.
Background technology
The engineering machinery such as excavator, crane, piling machine used in engineering, its bridge instrumentation platform must be according to work
Need, adjust height or angle.Prior art is fastened and fixed using fixture block retaining mechanism to the adjustment of instrument desk, mechanism
Device is complicated, high to material performance requirement, and machining accuracy has high demands, and parts easily occur fatigue deformation or abrasion, therefore,
Long-time use after, retaining mechanism effect is easy to lose efficacy, instrument desk height or during angle adjustment in work, operation is more bothersome,
Arduously.
Content of the invention
It is an object of the invention to, for solving the deficiency of prior art described above instrument desk retaining mechanism, provide one kind
Engineering mechanical instruments platform retaining mechanism, by foot-operated tooth bar and tooth plate engaging structure, adjusts and locking instrument desk.
The purpose of the present invention is realized by following technical solution: a kind of tight machine of engineering mechanical instruments stand lock
Structure, including Upper shaft sleeve, Lower shaft sleeve and locking device, described Lower shaft sleeve is fixed on steering spindle mounting base, and steering spindle installs bottom
Plate is fixed on bottom plate of driving cab, and described Upper shaft sleeve lower end is hinged with Lower shaft sleeve it is characterised in that described locking device includes propping up
Frame, power transmission shaft, linking arm, pull bar, press spring base, stage clip, connecting shaft, tooth bar, tooth plate, tooth bar seat, rack shaft and foot-operated, described
Frame is fixed on steering spindle mounting base, and described power transmission shaft is installed in bracket bearing, and one end is fixedly connected with foot-operated, the other end
It is fixedly connected with linking arm, described tooth bar and tooth plate are respectively equipped with modulus identical tooth, and described tooth plate is fixed on Upper shaft sleeve, institute
State tooth bar seat to be fixed on Lower shaft sleeve, described tooth bar is hinged with tooth bar seat by rack shaft, and described press spring base is fixed on Lower shaft sleeve
On, described pull bar upper end is provided with gear platform, is set with stage clip, and upper end is hinged with tooth bar by connecting shaft, and lower end is hinged with linking arm, institute
State stage clip 7 to support between pull bar gear platform and press spring base.
Described engineering mechanical instruments platform retaining mechanism it is characterised in that both described tooth bar and tooth plate tooth engagement or
Disengage.
Described engineering mechanical instruments platform retaining mechanism is it is characterised in that described tooth bar seat is additionally provided with a groove, its width
Slightly wider than the width of tooth bar and tooth plate, described tooth bar and tooth plate are respectively positioned in tooth bar seat slot.
Engineering mechanical instruments platform retaining mechanism of the present invention, design science is reasonable, simple structure, and operation is saved trouble, laborsaving, effect
Reliable, long service life.
Brief description
Fig. 1 is the tight structural scheme of mechanism of engineering mechanical instruments stand lock of the present invention；
Fig. 2 is engineering mechanical instruments platform retaining mechanism schematic perspective view of the present invention；
In the figures above, 1- rides；2- support；3- power transmission shaft；4- linking arm；5- pull bar；6- press spring base；7- stage clip；8-
Connecting shaft；9- tooth bar；10- tooth plate；11- tooth bar seat；12- rack shaft；13- Lower shaft sleeve；14- upper shaft；15- Upper shaft sleeve.
Specific embodiment
As shown in Figure 1 and Figure 2, engineering machinery driving cabin instrument desk retaining mechanism of the present invention, including Upper shaft sleeve 15, upper shaft 14,
Lower shaft sleeve 13 and locking device, described Lower shaft sleeve 13 is fixed on steering spindle mounting base, and described steering spindle mounting base is fixed
On the base plate of driver's cabin, described upper shaft 14 upper end is provided with steering wheel, and is installed in Upper shaft sleeve 15, on described Upper shaft sleeve 15
The parts such as instrument desk are installed, described Upper shaft sleeve 15 lower end is hinged with Lower shaft sleeve 13, are installed by being arranged on steering spindle
Locking device on base plate, Upper shaft sleeve 15 and Lower shaft sleeve 13, Upper shaft sleeve 15 and Lower shaft sleeve 13 is locked, described locking device includes
Support 2, power transmission shaft 3, linking arm 4, pull bar 5, press spring base 6, stage clip 7, connecting shaft 8, tooth bar 9, tooth plate 10, tooth bar seat 11, tooth bar
Axle 12 and foot-operated 1, described support 2 is provided with bearing (hole), and is fixed on steering spindle mounting base, and described power transmission shaft 3 is installed on
In support 2 dead eye, one end is fixedly connected with foot-operated 1, and the other end is fixedly connected with linking arm 4, described tooth bar 9 and 10 points of tooth plate
It is not provided with modulus identical tooth, described tooth plate 10 is fixed on Upper shaft sleeve 15, and described tooth bar seat 11 is fixed on Lower shaft sleeve 13, institute
State rack shaft 12 to be arranged on tooth bar seat 11, described tooth bar 9 is hinged with tooth bar seat 11 by rack shaft 12, described press spring base 6 is solid
It is scheduled on Lower shaft sleeve 13, described pull bar 5 upper end is provided with gear platform, is cased with stage clip 7 during installation, upper end is cut with scissors with tooth bar 9 by connecting shaft 8
Connect, lower end is hinged with linking arm 4, described stage clip 7 is supported and kept off between platform and press spring base 6 in pull bar 5, described tooth bar 9 and tooth plate 10
The tooth of the two meshes together.
Upper shaft sleeve 15 can be locked by engineering mechanical instruments platform retaining mechanism of the present invention with Lower shaft sleeve 13, and can be according to work
Need to allow Upper shaft sleeve 15 adjustment angle.When needing to adjust Upper shaft sleeve 15 angle, with foot-operated lower foot-operated 1, carried by linking arm 4
Dynamic pull bar 5 downwards, shrinks stage clip 7, so that tooth bar 9 is rotated around rack shaft 12, the tooth of both tooth bar 9 and tooth plate 10 is disengaged, described
Upper shaft sleeve 15 rotation can adjust angle.When foot unclamps foot-operated 1, the resilience of described stage clip 7, pushing and pressing pull bar 5 gear platform make tooth bar 9 around
Rack shaft 12 turns round, and the tooth of both tooth bar 9 and tooth plate 10 is engaged self-locking again, locks Upper shaft sleeve 15.Described Upper shaft sleeve 15 can
Maximum rotation angle ≮ 30 degree adjusting.
Described tooth bar seat 11 is additionally provided with a groove, and the width of its width ratio tooth bar 9 and tooth plate 10 is slightly wide, described tooth bar 9 He
Tooth plate 10 equal (installation) is placed in tooth bar seat 11 groove, makes their end face concordant, be in a plane as far as possible it is ensured that they
The normal engagement of the two tooth.
The above-mentioned embodiment enumerated is only to illustration of the present invention, restriction not made for the present invention.The present invention is also
Can be implemented using alternate manner, here does not repeat one by one.All employing equivalents or the technology of equivalent transformation formation
Scheme, belongs to the protection domain of application claims.
Claims (3)
1. a kind of engineering mechanical instruments platform retaining mechanism, including Upper shaft sleeve (15), Lower shaft sleeve (13) and locking device, described lower axle
Set (13) is fixed on steering spindle mounting base, and steering spindle mounting base is fixed on bottom plate of driving cab, described Upper shaft sleeve (15)
Lower end and Lower shaft sleeve (13) hinged it is characterised in that described locking device include support (2), power transmission shaft (3), linking arm (4),
Pull bar (5), press spring base (6), stage clip (7), connecting shaft (8), tooth bar (9), tooth plate (10), tooth bar seat (11), rack shaft (12) and
Foot-operated (1), described support (2) is fixed on bottom plate of driving cab, and described power transmission shaft (3) is installed in support (2) bearing, one end with
Foot-operated (14) are fixedly connected, and the other end is fixedly connected with linking arm (4), and described tooth bar (9) and tooth plate (10) are respectively equipped with modulus
Identical tooth, described tooth plate (10) is fixed on Upper shaft sleeve (15), and described tooth bar seat (11) is fixed on Lower shaft sleeve (13), described
Tooth bar (9) passes through that rack shaft (12) is hinged with tooth bar seat (11), and described press spring base (6) is fixed on Lower shaft sleeve (13), described draws
Bar (5) upper end is provided with gear platform, suit stage clip (7), and it is hinged with tooth bar (9) that connecting shaft (8) is passed through in upper end, lower end and linking arm (4)
Hinged, described stage clip (7) is supported and is kept off between platform and press spring base (6) in pull bar (5).
2. engineering mechanical instruments platform retaining mechanism according to claim 1 is it is characterised in that described tooth bar (9) and tooth plate
(10) the tooth engagement or disengagement of the two.
3. engineering mechanical instruments platform retaining mechanism according to claim 1 is it is characterised in that described tooth bar seat (11) also sets
There is a groove, the width of its width ratio tooth bar (9) and tooth plate (10) is slightly wide, described tooth bar (9) and tooth plate (10) are respectively positioned on tooth bar
In seat (11) groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620850163.3U CN205905795U (en) | 2016-08-05 | 2016-08-05 | Engineering machine instrument desk locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620850163.3U CN205905795U (en) | 2016-08-05 | 2016-08-05 | Engineering machine instrument desk locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205905795U true CN205905795U (en) | 2017-01-25 |
Family
ID=57803458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620850163.3U Expired - Fee Related CN205905795U (en) | 2016-08-05 | 2016-08-05 | Engineering machine instrument desk locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205905795U (en) |
-
2016
- 2016-08-05 CN CN201620850163.3U patent/CN205905795U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20170805 |