CN201034823Y - Semi-trailer special for testing apparatus - Google Patents
Semi-trailer special for testing apparatus Download PDFInfo
- Publication number
- CN201034823Y CN201034823Y CNU2007200212956U CN200720021295U CN201034823Y CN 201034823 Y CN201034823 Y CN 201034823Y CN U2007200212956 U CNU2007200212956 U CN U2007200212956U CN 200720021295 U CN200720021295 U CN 200720021295U CN 201034823 Y CN201034823 Y CN 201034823Y
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- Prior art keywords
- fixed
- centering
- towing pin
- bridge
- range finding
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- Expired - Fee Related
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a detection device specially used for semi-trailers, a draft key magnetic self-centering rapid fixture. The fixed frame body (1) which is provided with a small gear (3) and a large gear (2) corresponding to each other interference fits with the central axis of the draft key (4). A centering hook head (20) is fixed on the fixed frame body (1) through an interconnection plate (10) whose other end is fixed on the large gear (2). A laser range finder (11) is fixed in the ranging box of the draft key (14) which is fixedly connected with a rotation block (17). The rotation block (17) is fixed with a regulation axes (16) which is arranged in the central axis of the draft key (4). A permanent magnetic chuck (13) is fixed with a top compact disk (18) which is fixed on the central axis of the draft key (4). The utility model can effectively and quickly obtain the element reference being measured, accurately measure the position and scale between the draft axis of the semi-trailer and every vehicle-bridge, which provides a normal adjusting standard for assembling and maintaining vehicles, therefore thoroughly solving the problem of tire wearing and running deviation of the semi-trailers.
Description
Technical field the utility model relates to a kind of motor vehicles pick-up unit, specifically, is a kind of semitrailer special detection device.
The background technology semitrailer is a kind of more special vehicle, the parallel error of vehicle bridge, and the towing pin center directly has influence on the traffic safety of semitrailer to the distance error of axle head, also directly has influence on the sideslip in semitrailer Tyte Wear and semi-mounted compartment.
How the distance to axle head equates at semitrailer production link control detection towing pin center, and how measuring being parallel to each other of vehicle bridge of control is the problem that each semi-mounted depot and workshop wagon must solve.
The detection of semitrailer at present has two kinds of metering systems: a kind of more original measurement towing pin is to the method for the distance of two spindle noses, is to adopt meter ruler to come the depth of parallelism between the measurement axis, and there is following problem in this measuring method: the first, and inaccurate.Because the meter ruler stretch, can cause the error of measurement.The second, untrue.Because run into when obstacle is arranged when measuring, the necessary cut-through thing of meter ruler, this moment, meter ruler can be crooked, causes personal error.Another kind method is to adopt laser spots to beat the method for seeing graduated scale on scale, and the major defect of this kind measuring method is, and is uncontrollable with the parallel position of wheel axis when scale is installed on the towing pin, can cause artificial measuring error; The laser instrument sectional fixture is to be benchmark with the wheel rim end face, also can cause intrinsic measuring error because the gauge of wheel rim is uncertain.In addition, more than the detection efficiency of two kinds of metering systems all lower, measuring a car approximately needs 40 minutes.
Utility model content technical problem to be solved in the utility model is: by a kind of semitrailer special detection device is provided, the efficient element benchmark that will measure of obtaining apace, measure the position dimension between semitrailer axis of traction and each vehicle bridge like clockwork, be the assembling vehicle, maintenance vehicle provides the adjustment foundation of standard, thereby thoroughly solve semitrailer and eat tire, the sideslip problem.To overcome the defective of above-mentioned prior art.
In order to solve these technical matterss, the utility model has adopted following technical scheme.
A kind of semitrailer special detection device, comprise supporting towing pin magnetic self-centering quick-speed jigs mutually, spindle nose self-centering quick-speed jigs, ultralow chassis measurement extension bar, bridge is apart from the range finding box, measuring basis chi and laser range finder, it is characterized in that: towing pin magnetic self-centering quick-speed jigs: fixing bracket body and towing pin central shaft interference fit that intermeshing pinion wheel and gear wheel are installed, the centering gib head is pulled by interconnection and is fixed on the fixing bracket body and by the second star handle locking, and interconnection is pulled the other end and is fixed on the gear wheel; Laser range finder is fixed in the towing pin range finding box, and towing pin range finding box is fixedlyed connected with spill spin block, and spill spin block is fixed with the regulating shaft that has the star handle, and regulating shaft is packed in the towing pin central shaft; The permanent magnetic chuck that is equipped with switch knob is fixed with holding out against dish, holds out against dish and is fixed on the towing pin central shaft.
Spindle nose magnetic self-centering quick-speed jigs: second fixing bracket body and wheelspan central shaft interference fit that intermesh second pinion wheel and second largest gear are installed, the centering top is pulled fixing with second fixing bracket body by second interconnection and by the asterism handle locking, second interconnection is pulled the other end and is fixed on big second gear; Second permanent magnetic chuck and second that is equipped with the second switch handle holds out against dish and fixes, and second holds out against dish is fixed on the wheelspan central shaft.
Lock sleeve and connector interference fit, excentric shaft and rotary handle are assemblied in one and fastening, the excentric shaft lock sleeve and fixing of packing into, and horizontal bubble is installed in the end of connector.
Bridge is apart from range finding box and laser range finder: centration axis and bridge fixedly are assembled together apart from the range finding box, and the laser range finder bridge of packing into is also fixed in the range finding box.
Whole device is by a cover towing pin magnetic self-centering quick-speed jigs, and six cover spindle nose self-centering quick-speed jigs, the ultralow chassis measurement extension bar of two covers, two cover bridges are apart from the range finding box, and quadruplet measuring basis chi and three cover laser range finders are formed.
Good effect of the present utility model is: towing pin center, wheel center are the datum lines of measuring, consistent in order to guarantee measuring basis with the anchor clamps measuring basis, adopt self-centering fixture, self-centering fixture adopts gear, linkage assembly, rotatable gear, allow three connecting rods be synchronized with the movement, the center of circle that guarantees place, three points centering top is consistent with the towing pin center, and the precision of this kind centering mode depends on machining precision, gets rid of personal error.
The semitrailer production line requires the efficient height, measure fast, in order to improve the efficient of clamping surveying instrument, during three points centering is looked for after, adopt permanent magnetic chuck, be adsorbed on the anchor clamps of detecting instrument and scale on the semitrailer towing pin securely or on the wheel spindle nose.
Semitrailer spindle nose size is changeless, selects the benchmark of spindle nose as anchor clamps for use, has avoided the error of intermediate link, has improved the reliability that detects, and has got rid of detection clamping error.
The semi-mounted pick-up unit adopts and directly measures the distance of towing pin center to the two ends spindle nose, avoided conversion error, liquid crystal directly shows measured value, the precision height. in addition, can directly read the play value of axle from the scale label, Duo a measurement project than other metering systems, can control the assembly precision of semitrailer vehicles better.
Because adopted the self-centering device and the permanent magnetic chuck of clamping fast and easily fast, improved detection efficiency greatly, can examine all test items of a car in 8-10 minute.
Because adopted the high-precision laser range-finding instrument, 60 meters of measuring distances, measuring accuracy is assurance ± 1.5mm in 60 meters, and at 12-14 rice, the measuring accuracy of laser range finder can guarantee in 0.5mm general semitrailer towing pin so to bridge axle head distance.
Description of drawings Fig. 1, the 2nd, the structural representation of towing pin magnetic self-centering quick-speed jigs of the present utility model.
Fig. 3, the 4th, the structural representation of spindle nose magnetic self-centering quick-speed jigs of the present utility model.
Fig. 5 is the structural representation of ultralow chassis measurement extension bar of the present utility model.
Fig. 6 is the structural representation of bridge of the present utility model apart from range finding box and laser range finder.
Fig. 7 is the structural representation of measuring basis chi of the present utility model.
Embodiment further specifies the utility model below in conjunction with accompanying drawing.
The utility model is made up of following six parts: towing pin magnetic self-centering quick-speed jigs, and spindle nose magnetic self-centering quick-speed jigs, ultralow chassis measurement extension bar, the measuring basis chi, bridge is apart from range finding box and laser range finder.Their structure and using method separately of following division, and overall package mode and using method.
First: towing pin magnetic self-centering quick-speed jigs, referring to Fig. 1,2.
Earlier with the first fixing bracket body 1-1 and towing pin central shaft 4 interference fit, again the first pinion wheel 3-1 and first gear 2-1 are put into the first fixing bracket body 1-1, centering gib head 20, the first plain cushion 22-1 and the first fixing bracket body 1-1 pull 10-1 by first interconnection and fix, by first star handle a15-1 locking, first interconnection is pulled the 10-1 other end and is fixed on the first gear 2-1 by the first hex bolts 12-1.
The first permanent magnetic chuck 13-1 and first holds out against dish 18-1 and fixes by the first outer-hexagonal bolt 6-1, the first switch knob 27-1, the first safety plug 28-1 are connected with first permanent magnetic chuck 13-1 assembling, first holds out against dish 18-1 is fixed on the towing pin central shaft 4 with the first round nut 9-1, can adjust height easily, to adapt to different axis of traction.Meet the lighter semitrailer of dead weight capacity, spindle nose blind flange diameter is less, centering bearing pin 19 can be screwed in respectively in the screw of three centering gib heads 20, can clamp the spindle nose blind flange of minor diameter.
During use, operate the first rotary handle 8-1, three centering gib heads 20 are synchronized with the movement, and clamp the towing pin external diameter, make towing pin central shaft 4 centers consistent with the towing pin center.
The first star handle a15-1 of three centering of rotational lock gib head 20 rotates the first set lever 5-1, pushes down the first safety plug 28-1, rotates the first switch knob 27-1 with 45 ° amplitude, and the first permanent magnetic chuck 13-1 is just attached firmly with sucker immediately.
Second portion: spindle nose magnetic self-centering quick-speed jigs, referring to Fig. 3,4.
Earlier with the second fixing bracket body 1-2 and wheelspan central shaft 29 interference fit, again the second pinion wheel 3-2 and second largest gear 2-2 are put into the second fixing bracket body 1-2, centering top 30, the second plain cushion 22-2 and the second fixing bracket body 1-2 pull 10-2 by second interconnection and fix, by second star handle a 15-2 locking, second interconnection is pulled the 10-2 other end and is fixed on the second largest gear 2-2 by the second hex bolts 12-2.
The second permanent magnetic chuck 13-2 and second holds out against dish 18-2 and fixes by the second outer-hexagonal bolt 6-2, second switch handle 27-2, the second safety plug 28-2 are connected with second permanent magnetic chuck 13-2 assembling, second holds out against dish 18-2 is fixed on the wheelspan central shaft 29 with the second round nut 9-2, can adjust height easily, to adapt to different spindle nose end caps.Meet light semi-trailer spindle nose end cap diameter hour, the second centering bearing pin 19-2 is screwed in the screw of three centering tops 30.
During use, operate the second rotary handle 8-2, three centering tops 30 are synchronized with the movement, and clamp shaft head end lid external diameter makes wheelspan central shaft 29 centers consistent with the spindle nose center.
Lock the second star handle a 15-2 of three centering tops 30, rotate the second set lever 5-2, push down the second safety plug 28-2, rotation second switch handle 27-2 is with 45 °, and the second permanent magnetic chuck 13-2 is just firm with sucker and the absorption of spindle nose end cap immediately.
Third part: ultralow chassis measurement extension bar, referring to Fig. 5.
With lock sleeve 35 and connector 33 interference fit, excentric shaft 38 and rotary handle 34 are assemblied in one, fastening with the pressure pad 41 and second button-headed screw 40.With excentric shaft 38 lock sleeve 35 of packing into, fixing with second holding screw 37, locking key 36 is packed in the lock sleeve 35, with O shape circle 32 card jails, horizontal bubble 31 usefulness button-headed screws 39 are installed in the end of connector 35.
During use, when measure towing pin to a bridge two spindle noses apart from the time, because of chassis of semi-trailer lower, the spindle nose center should be sunk, make laser can get out of the way semitrailer tool box and guard rail, ultralow chassis measurement extension bar must be installed in the spindle nose self-centering quick-speed jigs center pit, the horizontal bubble 31 of leveling is in the extension bar hole, ultralow chassis of again the measuring basis chi being packed into for this reason.
The 4th part: bridge is apart from range finding box and laser range finder, referring to Fig. 6.Centration axis 44 and bridge are assembled together apart from 42 welding of range finding box, pack laser range finder 11 into bridge in range finding box 42, fixing with second forcing screw 43.
During use, when measurement bridge anomaly is capable, bridge is installed in the spindle nose magnetic self-centering quick-speed jigs center pit of two bridges apart from range finding box 42, open laser range finder 11 switches, laser spots is beaten on the station meter of a bridge, press laser range finder 11 switches again, the data that occur on the laser range finder liquid crystal display this moment both had been distance between one-two bridge, swing bridge apart from the range finding box 42 with 180 °, laser spots is beaten in the spindle nose magnetic self-centering quick-speed jigs center pit of three bridges, open laser range finder 11 switches, laser spots is beaten on the station meter of three bridges, press laser range finder 11 switches again, the data that occur on the laser range finder liquid crystal display this moment both had been distance between two-three bridges.The difference of one bridge scale that laser spots is beaten and three bridge scales that laser spots is beaten both had been the shifting amount of spindle nose.
The 5th part: the measuring basis chi, referring to Fig. 7.
During use, measure towing pin apart from a bridge spindle nose apart from the time, bridge spindle nose magnetic centering quick-speed jigs center pit about scale 46 packed into.Measure bridge apart from the time, will be respectively pack scale 46 in left side one, three bridge spindle nose magnetic centering quick-speed jigs center pit and right side one, the three bridge spindle nose magnetic centering quick-speed jigs center pit into.
The 6th part: overall package mode and using method.
When implementing measurement, need a cover towing pin magnetic self-centering quick-speed jigs, six cover spindle nose self-centering quick-speed jigs, the ultralow chassis measurement extension bar of two covers, two overlap bridges apart from the range finding box, quadruplet measuring basis chi, three cover laser range finders.The semitrailer towing pin is to the range observation of a bridge spindle nose, need towing pin magnetic self-centering quick-speed jigs is installed on the towing pin, laser range finder is installed in the range finding box of towing pin magnetic self-centering quick-speed jigs, two cover spindle nose self-centering quick-speed jigs are installed on the left and right sides spindle nose of a bridge, ultralow chassis measurement extension bar is contained in level-off on the two spindle nose self-centering quick-speed jigs, again two measuring basis chis are contained in the minimum hole, ultralow chassis, measure towing pin to the spindle nose end distance from anchor clamps, the setting dial installation.
When measuring each bridge and being parallel to each other, the ultralow chassis measurement extension bar of about one bridge two cover is taken down, the two cover measuring basis scales of packing into, four spindle nose self-centering quick-speed jigs of residue are contained on the right spindle nose of two bridges, three bridges, two cover bridges are fastening in the box apart from range finding, will other two overlap the measurement standard scales and pack on the three bridge left and right sides spindle nose self-centering quick-speed jigs.Measure the anchor clamps instrument that each bridge parallel distance and spindle nose are scurried mutually, the scale installation.
Measure towing pin to bridge spindle nose end distance when equal, after finishing by above-mentioned assembling, open the switch of laser range finder, rotation range finding box, laser is beaten at left side scale place, press switch, the distance that occurs being surveyed on the display screen is the distance of towing pin center to bridge left side measuring basis chi scale, and rotation range finding box is beaten on the scale of right side measuring basis chi by laser; Press switch, the data on the display screen are the distance of towing pin center to a bridge right side measuring basis chi scale, contrast two distances, must equate that a bridge center can be passed through in the towing pin center, otherwise, must adjust a bridge it is equated.
When measuring each bridge and being parallel to each other, by measuring bridge apart from sectional fixture, instrument and scale thereof, make switch at laser range finder, allow laser beat respectively on the measuring basis chi of a bridge, press switch, two, three bridge laser range finder data presented are the distance of a bridge to two bridges, and two distances must equate that two bridges are just parallel.Make it parallel otherwise must adjust two bridges, bridge apart from range finding box Rotate 180 °, is opened the switch of two cover laser range finders, allow laser beat on the measuring basis chi of three bridges, press switch, show that number is the distances of two bridges to three bridges this moment, two distances must equate that two bridges are just parallel.Otherwise, must adjust three bridges and make it parallel.The scale difference of one bridge and three bridge measuring basiss has reflected the shifting amount of axle tag, adjusts three bridges and equates with a bridge, gets rid of play.
Claims (5)
1. semitrailer special detection device, comprise supporting towing pin magnetic self-centering quick-speed jigs mutually, spindle nose self-centering quick-speed jigs, ultralow chassis measurement extension bar, bridge is apart from the range finding box, measuring basis chi and laser range finder, it is characterized in that: towing pin magnetic self-centering quick-speed jigs: fixing bracket body (1) and towing pin central shaft (4) interference fit that intermeshing pinion wheel (3) and gear wheel (2) are installed, centering gib head (20) is pulled (10) by interconnection and is fixed in that fixing bracket body (1) is gone up and by the locking of the second star handle (15), interconnection is pulled (10) other end and is fixed on the gear wheel (2); Laser range finder (11) is fixed in the towing pin range finding box (14), towing pin range finding box (14) is fixedlyed connected with spill spin block (17), spill spin block (17) is fixing with the regulating shaft (16) that has star handle (24), and regulating shaft (16) is packed in the towing pin central shaft (4); The permanent magnetic chuck (13) that is equipped with switch knob (27) is fixed with holding out against dish (18), holds out against dish (18) and is fixed on the towing pin central shaft (4).
2. semitrailer special detection device as claimed in claim 1, it is characterized in that: spindle nose magnetic self-centering quick-speed jigs: second fixing bracket body (1-2) and wheelspan central shaft (29) interference fit that intermesh second pinion wheel (3-2) and second largest gear (2-2) are installed, it is fixing and by asterism handle (15-3) locking that centering top (30) and second fixing bracket body (1-2) are pulled (10-2) by second interconnection, and second interconnection is pulled (10-2) other end and is fixed on big second gear (2-2); Second permanent magnetic chuck (13-2) and second that is equipped with second switch handle (27-2) holds out against dish (18-2) and fixes, and second holds out against dish (18-2) is fixed on the wheelspan central shaft (29).
3. semitrailer special detection device as claimed in claim 1, it is characterized in that: ultralow chassis measurement extension bar: lock sleeve (35) and connector (33) interference fit, excentric shaft (38) is assemblied in one and fastening with rotary handle (34), excentric shaft (38) lock sleeve (35) and fixing of packing into, horizontal bubble (31) is installed in the end of connector (35).
4. semitrailer special detection device as claimed in claim 1, it is characterized in that: bridge is apart from range finding box and laser range finder: centration axis (44) fixedly is assembled together apart from range finding box (42) with bridge, and laser range finder (11) is packed bridge in range finding box (42) and fix.
5. as claim 1 or 2 or 3 or 4 described semitrailer special detection devices, it is characterized in that: whole device is by a cover towing pin magnetic self-centering quick-speed jigs, six cover spindle nose self-centering quick-speed jigs, the ultralow chassis measurement extension bar of two covers, two cover bridges are apart from the range finding box, and quadruplet measuring basis chi and three cover laser range finders are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200212956U CN201034823Y (en) | 2007-04-25 | 2007-04-25 | Semi-trailer special for testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200212956U CN201034823Y (en) | 2007-04-25 | 2007-04-25 | Semi-trailer special for testing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201034823Y true CN201034823Y (en) | 2008-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200212956U Expired - Fee Related CN201034823Y (en) | 2007-04-25 | 2007-04-25 | Semi-trailer special for testing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201034823Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706311A (en) * | 2012-06-14 | 2012-10-03 | 烟台开发区海德科技有限公司 | Fully computerized locator of trailer and measurement method thereof |
| CN103414847A (en) * | 2013-07-30 | 2013-11-27 | 中铁隧道集团有限公司 | Geological logging instrument with feature point positioning function |
| CN103900830A (en) * | 2012-12-28 | 2014-07-02 | 财团法人金属工业研究发展中心 | Adjustment tool for building datum axis and datum plane |
| TWI461676B (en) * | 2012-12-28 | 2014-11-21 | Metal Ind Res & Dev Ct | Establish the adjustment of the reference axis and the datum |
| CN112276985A (en) * | 2020-12-30 | 2021-01-29 | 季华科技有限公司 | Clamping jaw structure and manipulator for automatic installation of special material box |
| CN113376647A (en) * | 2021-06-08 | 2021-09-10 | 东北大学 | Blast hole measurement auxiliary equipment and use method thereof |
-
2007
- 2007-04-25 CN CNU2007200212956U patent/CN201034823Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706311A (en) * | 2012-06-14 | 2012-10-03 | 烟台开发区海德科技有限公司 | Fully computerized locator of trailer and measurement method thereof |
| CN103900830A (en) * | 2012-12-28 | 2014-07-02 | 财团法人金属工业研究发展中心 | Adjustment tool for building datum axis and datum plane |
| TWI461676B (en) * | 2012-12-28 | 2014-11-21 | Metal Ind Res & Dev Ct | Establish the adjustment of the reference axis and the datum |
| CN103900830B (en) * | 2012-12-28 | 2016-05-04 | 财团法人金属工业研究发展中心 | Set up the adjustment instrument of reference axis and datum level |
| CN103414847A (en) * | 2013-07-30 | 2013-11-27 | 中铁隧道集团有限公司 | Geological logging instrument with feature point positioning function |
| CN103414847B (en) * | 2013-07-30 | 2016-08-17 | 中铁隧道集团有限公司 | A kind of geological record instrument with positioning feature point function |
| CN112276985A (en) * | 2020-12-30 | 2021-01-29 | 季华科技有限公司 | Clamping jaw structure and manipulator for automatic installation of special material box |
| CN112276985B (en) * | 2020-12-30 | 2021-04-06 | 季华科技有限公司 | Clamping jaw structure and manipulator for automatic installation of special material box |
| CN113376647A (en) * | 2021-06-08 | 2021-09-10 | 东北大学 | Blast hole measurement auxiliary equipment and use method thereof |
| CN113376647B (en) * | 2021-06-08 | 2024-04-26 | 东北大学 | Blast hole measurement auxiliary equipment and application method thereof |
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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 |
Granted publication date: 20080312 Termination date: 20150425 |
|
| EXPY | Termination of patent right or utility model |