CN218823667U - High-precision axle load simulation device - Google Patents
High-precision axle load simulation device Download PDFInfo
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- CN218823667U CN218823667U CN202222936404.4U CN202222936404U CN218823667U CN 218823667 U CN218823667 U CN 218823667U CN 202222936404 U CN202222936404 U CN 202222936404U CN 218823667 U CN218823667 U CN 218823667U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract
The utility model relates to an overrun detecting system measurement test equipment technical field, concretely relates to high accuracy axle load analogue means, include: the test rack body is provided with at least one load simulation mechanism capable of moving the position of the mass center; the load simulation mechanism comprises a counterweight track, a counterweight block, a fixing device for fixing the counterweight block and a plurality of bearing trolley components connected to the lower surface of the fixing device at intervals, the counterweight track is connected to the test frame body, the bearing trolley components are in rolling connection with the upper plane of the counterweight track, and the bearing trolley components extend into the inner cavity of the counterweight track and are suitable for preventing the fixing device from toppling over; the load simulation mechanism further comprises a telescopic driving rod assembly which drives the fixing device to move and is provided with a measuring fixing device moving distance. The utility model discloses it is rational in infrastructure for the position accuracy of removing the balancing weight is high, has improved the accuracy of analysis axle load and bearing quality position variation relation.
Description
Technical Field
The utility model relates to an overrun detecting system measurement test equipment technical field especially relates to a high accuracy axle load analogue means.
Background
The metering and testing equipment of the overrun detection system can be used for analyzing the relationship that the axle load changes along with the variable quantity of the bearing quality position, analyzing the relationship between the axle load and the bearing quality position, the metering and testing equipment of the overrun detection system comprises a testing frame body, a balancing weight and a fixing frame for fixing the balancing weight, the balancing weight can be formed by a plurality of weights or a cement block, the balancing weight is connected with the testing frame body through the fixing frame, and the loads borne by different support shafts are determined by moving the balancing weight to different positions of the testing frame body.
Aiming at the related technologies, when finding that the weight is moved, the inventor usually adopts a crown block to hoist the fixing frame to move the weight to a proper position, so that the position precision of the moving weight is poor due to the operation mode, and the accuracy of analyzing the position change relation between the shaft load and the bearing mass is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a high accuracy axle load analogue means for the position accuracy of removing the balancing weight is high, has improved the accuracy of analysis axle load and bearing quality position variation relation.
In order to solve the technical problem, the utility model discloses a technical scheme be: provided is a high-precision axial load simulation device, including: the test rack body is provided with at least one load simulation mechanism capable of moving the position of the mass center;
the load simulation mechanism comprises a counterweight track, a counterweight block, a fixing device for fixing the counterweight block and a plurality of bearing trolley components connected to the lower surface of the fixing device at intervals, the counterweight track is connected to the test frame body, the bearing trolley components are in rolling connection with the upper plane of the counterweight track, and the bearing trolley components extend into the inner cavity of the counterweight track and are suitable for preventing the fixing device from toppling over;
the load simulation mechanism further comprises a telescopic driving rod assembly which drives the fixing device to move and is provided with a measuring fixing device moving distance.
Through adopting above-mentioned technical scheme, the counter weight track is fixed on the test support body, and the balancing weight is connected on fixing device, because the bearing trolley subassembly is connected at fixing device's lower surface to bearing trolley subassembly and the orbital last plane roll connection of counter weight, through the use of flexible drive rod subassembly, drive fixing device removes and can measure the distance that fixing device removed along the orbital length direction of counter weight, thereby accurately drives the balancing weight and accurately removes to corresponding position along the orbital length direction of counter weight.
The present invention may be further configured in a preferred embodiment as: the counter weight track includes H shaped steel and a plurality of connecting plate that two intervals set up, the connecting plate interval sets up and connects between H shaped steel.
Through adopting above-mentioned technical scheme, the connecting plate interval sets up and connects between H shaped steel, makes two H shaped steel connect into whole.
The present invention may be further configured in a preferred embodiment as: the bearing trolley assembly comprises an M-shaped trolley support, vertical rolling pieces I are respectively arranged on two sides of the M-shaped trolley support in a penetrating mode at intervals, horizontal rolling pieces are respectively connected to inner walls of two sides of the M-shaped trolley support, vertical rolling pieces II are arranged on a middle supporting wall of the M-shaped trolley support in a penetrating mode, two rectangular holes are formed in an inner cavity of the M-shaped trolley support at intervals, a plurality of roller pins are respectively arranged in the rectangular holes in a linear array mode, and the roller pins are connected with an upper plane of the H-shaped steel in a rolling mode.
By adopting the technical scheme, the first vertical rolling part, the second horizontal rolling part and the second vertical rolling part all extend into the inner cavity of the H-shaped steel, and the M-shaped trolley support is in rolling connection with the upper plane of the H-shaped steel through the roller pins, so that the smoothness and the stability of the telescopic rod driving frame in moving are enhanced.
The present invention may be further configured in a preferred embodiment as: vertical rolling member one includes the fixed axle, the fixed axle is worn to establish on M type dolly support and one end suit is connected with first roll wheel, there is the clearance in the excircle of first roll wheel and the top inner wall of H shaped steel, vertical rolling member two includes that back shaft and suit connect the gyro wheel three at the back shaft both ends, there is the clearance in the excircle of gyro wheel three and the top inner wall of H shaped steel, the back shaft level is worn to establish on the middle vertical edge of M type dolly support, horizontal rolling member includes U-shaped seat and the roll wheel two of setting in the U-shaped seat, vertical axis is worn to be equipped with in the hole of roll wheel two, vertical axis runs through on the U-shaped seat, the U-shaped seat is connected on the inner wall of M type dolly support side, there is the clearance in the excircle of roll wheel two and the web of H shaped steel.
Through adopting above-mentioned technical scheme, stretch into the H shaped steel inner chamber through rolling wheel one and rolling wheel three to prevent frame and balancing weight to topple over to the side, there is the clearance through the excircle of gyro wheel two and the web of H shaped steel, reduces the bearing trolley subassembly along the orbital direction displacement distance of perpendicular to balancing weight, has strengthened the smooth and easy nature and the stability of frame removal.
The present invention in a preferred embodiment can be further configured to: the counterweight block consists of a plurality of rows of weights, the fixing device comprises a frame and an upper top frame arranged above the frame, a limiting cavity is arranged on the frame, and a plurality of fixing rod assemblies with bottoms extending into the limiting cavity are arranged on the upper top frame at intervals in a penetrating manner; the fixed rod assembly comprises a fixed rod, the lower end of the fixed rod is detachably connected with a bar-shaped block, the upper end of the fixed rod is provided with an internal thread hole, a pressing rod is connected with the internal thread of the internal thread hole in a threaded manner, and the bar-shaped block is positioned in the limiting cavity; the front side and the rear side of the frame are respectively connected with a plurality of limiting plates, connecting pieces penetrate through the limiting plates, and the connecting pieces are detachably connected with weights placed on the frame.
Through adopting above-mentioned technical scheme, place the multirow weight on the frame, go up the top that the roof frame was placed at the multirow weight, dead lever subassembly interval is passed on the roof frame, the weight is passed downwards to the dead lever on the dead lever subassembly, the bar-shaped piece is connected with the lower extreme of dead lever, the bar-shaped piece is located spacing intracavity and contacts with the weight of bottom promptly, rotatory compression bar makes it compress tightly the roof frame, make every row of weight at the inseparable fixed connection of vertical direction, the connecting piece that the limiting plate on the frame was worn to establish is connected with the weight, make the weight of every row of weight bottom pass through frame fixed connection in the horizontal direction, multirow weight all with frame fixed connection in vertical direction and horizontal direction promptly, the fastness of multirow weight with connected to the frame has been strengthened, the security of transportation weight has been improved.
The present invention may be further configured in a preferred embodiment as: go up the roof-rack and include the rectangle frame, the interval connection has the fixed plate that equals with fixed rod subassembly quantity in the rectangle frame, wear to be equipped with on the fixed plate the compressing tightly pole.
Through adopting above-mentioned technical scheme, the weight laminating at rectangle frame and every row of weight top, the rotatory pole that compresses tightly the fixed plate downwards, and the rectangle frame compresses tightly multirow weight promptly, and simultaneously, a plurality of fixed rod subassembly are connected through last roof-rack and are formed stable overall structure and connect the weight, have strengthened the fastness of connecting between the weight.
The present invention in a preferred embodiment can be further configured to: a plurality of connecting plates are arranged above the front side and the rear side of the frame at intervals respectively, and bolts or screws penetrate through the connecting plates at intervals.
Through adopting above-mentioned technical scheme, bolt or screw and weight threaded connection on the connecting plate for multirow weight is connected at the horizontal direction, has strengthened the fastness of connecting.
The present invention may be further configured in a preferred embodiment as: the one end of frame is connected with the locking lever subassembly, the locking lever subassembly is including connecting the locking plate seat on the frame and installing the locking cylinder on the locking plate seat, the end that stretches out of locking cylinder is connected with the limiting plate, the limiting plate is located the cavity of two H shaped steel opposite sides.
By adopting the technical scheme, after the frame moves to the determined position, the telescopic rod of the air cylinder contracts, so that the limiting plate is driven to be in close contact with the inner walls of the tops of the two H-shaped steel plates, and the purpose of limiting the frame is achieved.
The present invention may be further configured in a preferred embodiment as: the telescopic driving rod assembly comprises a telescopic rod with a function of measuring the extension length, the tail of the telescopic rod is hinged with a mounting seat, a pull rod shaft penetrates through the extension end, seat plates are respectively sleeved at two ends of the pull rod shaft, and the seat plates are fixedly connected with the frame.
Through adopting above-mentioned technical scheme, telescopic link work drive fixing device removes along the orbital length direction of counter weight to can measure the distance that telescopic link drive fixing device removed.
To sum up, the utility model discloses a following at least one kind of useful technological effect:
the counter weight track is fixed on the test support body, the balancing weight is connected on fixing device, because the bearing trolley subassembly is connected at fixing device's lower surface, and bearing trolley subassembly and the orbital last plane roll connection of counter weight, use through flexible drive rod subassembly, drive fixing device removes and can measure the distance that fixing device removed along the orbital length direction of counter weight, thereby accurately drive the balancing weight and accurately remove to corresponding position along the orbital length direction of counter weight, and simultaneously, the bearing trolley subassembly stretches into counter weight track inner chamber, thereby prevent fixing device and empty, the stability that the balancing weight removed has been strengthened, use through the locking rod subassembly, after fixing device removed to definite position, the action of shrink is done to the telescopic link of cylinder, thereby drive limiting plate and two H shaped steel's top inner wall in close contact with, reach the spacing purpose of fixing device, security when having improved transportation axle load analogue means.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic structural diagram of a preferred embodiment of the high-precision axle load simulator of the present invention.
Fig. 2 is a schematic structural view of the connection of the fixing device, the load-bearing trolley assembly and the counterweight track in fig. 1.
Fig. 3 is a schematic view of the fixing device of fig. 2.
Fig. 4 is a schematic structural view of the connection between the frame and the limiting plate in fig. 3.
Fig. 5 is a schematic structural view of the upper head frame of fig. 3.
Fig. 6 is a schematic view of the structure of the fixing rod assembly of fig. 3.
Fig. 7 is a schematic view of the structure of the load carriage assembly of fig. 2.
Fig. 8 is a schematic structural view of the M-shaped trolley bracket in fig. 7.
FIG. 9 is a schematic structural view of the locking bar assembly of FIG. 2.
Fig. 10 is a schematic structural view of the test rack of fig. 1.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for purposes of illustration and explanation only and are not intended to limit the invention.
It should be noted that these drawings are simplified schematic views and merely illustrate the basic structure of the present invention in a schematic manner, and therefore, only show the components related to the present invention.
Referring to fig. 1 and 10, for the utility model discloses a high accuracy axle load analogue means, include: the test support body 1 is installed on the test support body 1 and is no less than one load simulation mechanism with a movable mass center position, and the test support body 1 comprises a first end fixing frame 11 and a second end fixing frame 12 which are arranged at intervals.
Referring to fig. 1, 2 and 10, the load simulation mechanism includes a counterweight track 20, a counterweight block 3, a fixing device 40 for fixing the counterweight block 3 and a plurality of carriage assemblies 50 connected to the lower surface of the fixing device 40 at intervals, the counterweight track 20 is connected to the test frame body 1, the counterweight track 20 includes two H-shaped steels 21 and a plurality of connecting plates 22 arranged at intervals, the connecting plates 22 are arranged at intervals and connected between the H-shaped steels 21, the two H-shaped steels 21 are connected between the first end fixing frame 11 and the second end fixing frame 12 to form an integral supporting frame structure, the carriage assemblies 50 are connected with the upper plane of the counterweight track 20 in a rolling manner, and the carriage assemblies 50 extend into the inner cavity of the counterweight track 20 and are suitable for preventing the fixing device 40 from toppling over, namely, the carriage assemblies 50 extend into the cavity between the two H-shaped steels 21.
Referring to fig. 7, the carrying trolley assembly 50 includes an M-shaped trolley support 51, two sides of the M-shaped trolley support 51 are respectively provided with a first vertical rolling member 52 at intervals, the first vertical rolling member 52 includes a fixed shaft 521, the fixed shaft 521 is arranged on the M-shaped trolley support 51 in a penetrating manner, one end of the fixed shaft 521 is connected with a first rolling wheel 522 in a sleeved manner, the outer end of the fixed shaft 521 is connected with a round nut in a threaded manner, the first rolling wheel 522 is prevented from being separated from the fixed shaft 521, the first rolling wheel 522 is a deep groove ball bearing, a gap exists between the first rolling wheel 522 and the inner wall of the top of the H-shaped steel 41, two inner walls of the M-shaped trolley support 51 are respectively connected with a horizontal rolling member 53, the horizontal rolling member 53 includes a U-shaped seat 531 and a second rolling wheel 532 arranged in the U-shaped seat 531, the second rolling wheel 532 is a deep groove ball bearing, a vertical shaft 533 is arranged in a penetrating manner, the inner hole of the second rolling wheel 532, the vertical shaft 533 penetrates through the U-shaped seat 531, the U-shaped seat 531 is connected to the inner wall of the side edge of the M-shaped trolley support 51, a gap exists between the rolling wheel II 532 and a web plate of the H-shaped steel 41, a vertical rolling piece II 54 penetrates through the middle supporting wall of the M-shaped trolley support 51, the vertical rolling piece II 54 comprises a supporting shaft 541 and roller wheels III 542 sleeved and connected to the two ends of the supporting shaft 541, the roller wheels III 542 are deep groove ball bearings, a gap exists between the roller wheels III 542 and the inner wall of the top of the H-shaped steel 41, the supporting shaft 541 horizontally penetrates through the middle vertical edge of the M-shaped trolley support 51, the two ends of the supporting shaft 541 are respectively in threaded connection with round nuts to prevent the roller wheels III 542 from falling off from the supporting shaft 541, two rectangular holes 55 are arranged at intervals in the inner cavity of the M-shaped trolley support 51, a plurality of roller needles 56 are respectively arranged in the rectangular holes 55 in a linear array mode, and the roller needles 56 are in rolling connection with the upper plane of the H-shaped steel 41.
Referring to fig. 3, 4 and 6, the counterweight block 3 is composed of a plurality of rows of weights, the fixing device 40 includes a frame 41 and an upper top frame 42 disposed above the frame 41, a limiting cavity 43 is disposed on the frame 41, and a plurality of fixing rod assemblies 44 whose bottoms extend into the limiting cavity are arranged on the upper top frame 42 at intervals; the fixed rod assembly 44 comprises a fixed rod 441, the lower end of the fixed rod 441 is detachably connected with a bar-shaped block 442, the upper end of the fixed rod 441 is provided with an internal thread hole 443, the fixed rod 441 is connected with the bar-shaped block 442 through a bolt or a screw, the internal thread hole 443 is internally connected with a pressing rod 444, and the bar-shaped block 442 is positioned in the limiting cavity 43; frame 41's front and back both sides are connected with a plurality of limiting plates 45 respectively, wear to be equipped with the connecting piece on the limiting plate 45, and the connecting piece can be dismantled with the weight of placing on frame 41 and be connected, and the connecting piece is bolt or screw, easy to assemble and dismantlement.
Referring to fig. 5, the upper frame 42 includes a rectangular frame 421, fixing plates 422 are connected to the rectangular frame 421 at intervals, the number of the fixing plates 422 is equal to that of the fixing rod assemblies 44, the fixing plates 422 are provided with the pressing rods 444 in a penetrating manner, and the fixing plates 422 are welded and fixed to the rectangular frame 421.
Referring to fig. 3, both sides top is equipped with a plurality of connecting plates 13 respectively at the interval around frame 41, bolt or screw are worn to be equipped with at the interval on connecting plate 13, connecting plate 13 level place and with the side laminating of multirow weight, bolt or screw and the weight threaded connection of wearing to establish on connecting plate 13 for the multirow weight passes through connecting plate 13 at horizontal direction fixed connection, the multirow weight forms overall structure, the fastness that multirow weight and frame 41 are connected has been strengthened.
Referring to fig. 2 and 9, one end of the frame 41 is connected with a locking rod assembly 60, the locking rod assembly 60 comprises a locking plate seat 61 connected to the frame 41 and a locking cylinder 62 installed on the locking plate seat 61, the extending end of the locking cylinder 62 is connected with a limiting plate 63, the limiting plate 63 is located in the cavity on the opposite side of the two H-shaped steels 22, and the telescopic rod of the cylinder 62 contracts so as to drive the limiting plate 63 to be in close contact with the inner wall of the top of the H-shaped steel 22 and achieve the purpose of limiting.
Referring to fig. 1 and 10, the load simulation mechanism further includes a telescopic driving rod assembly 70 for driving the fixing device to move and having a moving distance of the fixing device, the telescopic driving rod assembly 70 includes a telescopic rod 71 having a function of measuring a stretching length, the tail of the telescopic rod 71 is hinged to a mounting seat 72, a pull rod shaft 73 is arranged at the stretching end in a penetrating manner, the mounting seat 72 is connected to the test frame body 1, two ends of the pull rod shaft 73 are respectively sleeved with a seat plate 74, the seat plate 74 is fixedly connected with the frame 41, the telescopic rod 71 is connected with the mounting seat 72 through a pin shaft, the telescopic rod 71 is an oil cylinder or an air cylinder, and the telescopic rod 71 works to drive the fixing device 40 and the counterweight 3 to move.
Still include PLC controller and pressure sensor (not shown in the figure), install grating ruler (not shown in the figure) on the telescopic link 71, grating ruler can feed back the distance that telescopic link 71 drive fixing device 40 removed, and pressure sensor installs the specific position at the support frame lower surface that test support body 1 and counter weight track 20 are connected and are formed, PLC controller respectively with telescopic link 71, grating ruler and pressure sensor electric connection.
The implementation principle of the embodiment is as follows: when the device is used, the counterweight track 20 is fixed on the test frame body 1, the counterweight 3 is connected on the fixing device 40, the bearing trolley assembly 50 is connected to the lower surface of the fixing device 40, the roller pins 56 on the bearing trolley assembly 50 are in rolling connection with the upper plane of the counterweight track 20, the fixing device 40 is driven to move along the length direction of the counterweight track 20 through the use of the telescopic rod 71, and the moving distance of the fixing device 40 can be measured, so that the counterweight is accurately driven to accurately move to a corresponding position along the length direction of the counterweight track 20, meanwhile, the first vertical rolling members 52, the horizontal rolling members 53 and the second vertical rolling members 54 on the bearing trolley assembly 50 extend into the inner cavity of the counterweight track 20, so that the phenomenon that the fixing device 40 is prevented from falling down is prevented, the moving stability of the counterweight 3 is enhanced, after the fixing device 40 moves to a determined position through the use of the locking rod assembly 60, the air cylinder works so as to drive the limiting plate 63 to be in close contact with the inner walls of the tops of the two H-shaped steels 22, the purpose of limiting the fixing device is achieved, and the safety when the axle load simulation device is transported is improved; through programming the PLC controller, the fixing device 40 carrying the balancing weight 3 is driven to move linearly by the control telescopic rod 71, the position of the center of mass can be changed by the movement of the balancing weight 3, the real-time parameters of the pressure sensor and the real-time parameters of the grating ruler are timely fed back to the PLC controller, the accuracy of analyzing the axle load and bearing mass position change relation is improved, and the device can be used for simulating load change under a single-group axle of a vehicle.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (9)
1. A high-precision axle load simulation device comprises: the test frame is characterized in that at least one load simulation mechanism capable of moving the position of the mass center is arranged on the test frame;
the load simulation mechanism comprises a counterweight track, a counterweight block, a fixing device for fixing the counterweight block and a plurality of bearing trolley components connected to the lower surface of the fixing device at intervals, the counterweight track is connected to the test frame body, the bearing trolley components are in rolling connection with the upper plane of the counterweight track, and the bearing trolley components extend into the inner cavity of the counterweight track and are suitable for preventing the fixing device from toppling;
the load simulation mechanism further comprises a telescopic driving rod assembly which drives the fixing device to move and is provided with a measuring fixing device moving distance.
2. The high-precision axle load simulator according to claim 1, wherein the counterweight track comprises two H-shaped steels arranged at intervals and a plurality of connecting plates, and the connecting plates are arranged at intervals and connected between the H-shaped steels.
3. The high-precision axle load simulation device according to claim 2, wherein the bearing trolley assembly comprises an M-shaped trolley support, vertical rolling members I are respectively arranged on two sides of the M-shaped trolley support at intervals in a penetrating manner, horizontal rolling members are respectively connected with the inner walls of the two sides of the M-shaped trolley support, vertical rolling members II are arranged on the middle supporting wall of the M-shaped trolley support in a penetrating manner, two rectangular holes are arranged in the inner cavity of the M-shaped trolley support at intervals, a plurality of roller pins are respectively arranged in the rectangular holes in a linear array manner, and the roller pins are in rolling connection with the upper plane of the H-shaped steel.
4. The high-precision axle load simulation device according to claim 3, wherein the first vertical rolling member comprises a fixed shaft, the fixed shaft is arranged on the M-shaped trolley support in a penetrating mode, one end of the first vertical rolling member is connected with a first rolling wheel in a sleeved mode, a gap exists between the excircle of the first rolling wheel and the inner wall of the top of the H-shaped steel, the second vertical rolling member comprises a support shaft and a third rolling wheel connected to two ends of the support shaft in a sleeved mode, a gap exists between the excircle of the third rolling wheel and the inner wall of the top of the H-shaped steel, the support shaft horizontally penetrates through the middle vertical edge of the M-shaped trolley support, the horizontal rolling member comprises a U-shaped seat and a second rolling wheel arranged in the U-shaped seat, a vertical shaft penetrates through an inner hole of the second rolling wheel, the vertical shaft penetrates through the U-shaped seat, the U-shaped seat is connected to the inner wall of the side edge of the M-shaped trolley support, and a gap exists between the excircle of the second rolling wheel and the web of the H-shaped steel.
5. The high-precision axle load simulation device according to claim 1, wherein the counterweight block is composed of a plurality of rows of weights, the fixing device comprises a frame and an upper top frame arranged above the frame, a limiting cavity is arranged on the frame, and a plurality of fixing rod assemblies with bottoms extending into the limiting cavity are arranged on the upper top frame at intervals in a penetrating manner; the fixing rod assembly comprises a fixing rod, the lower end of the fixing rod is detachably connected with a bar-shaped block, the upper end of the fixing rod is provided with an internal thread hole, a pressing rod is connected in the internal thread hole in a threaded manner, and the bar-shaped block is located in the limiting cavity; the front side and the rear side of the frame are respectively connected with a plurality of limiting plates, connecting pieces penetrate through the limiting plates, and the connecting pieces are detachably connected with weights placed on the frame.
6. The high-precision axle load simulation device according to claim 5, wherein the upper top frame comprises a rectangular frame, fixing plates with the number equal to that of the fixing rod assemblies are connected in the rectangular frame at intervals, and the fixing plates are provided with the pressing rods in a penetrating mode.
7. The high-precision axle load simulation device according to claim 5, wherein a plurality of connecting plates are respectively arranged above the front side and the rear side of the frame at intervals, and bolts or screws are arranged on the connecting plates at intervals in a penetrating manner.
8. The high-precision axle load simulation device according to claim 5, wherein one end of the frame is connected with a locking rod assembly, the locking rod assembly comprises a locking plate seat connected to the frame and a locking cylinder installed on the locking plate seat, the extending end of the locking cylinder is connected with a limiting plate, and the limiting plate is located in the cavity on the opposite side of the two H-shaped steels.
9. The high-precision axle load simulation device according to claim 5, wherein the telescopic driving rod assembly comprises a telescopic rod with a function of measuring the extension length, the tail part of the telescopic rod is hinged with a mounting seat, a pull rod shaft penetrates through the extension end, seat plates are respectively sleeved at two ends of the pull rod shaft, and the seat plates are fixedly connected with the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222936404.4U CN218823667U (en) | 2022-11-04 | 2022-11-04 | High-precision axle load simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222936404.4U CN218823667U (en) | 2022-11-04 | 2022-11-04 | High-precision axle load simulation device |
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| CN218823667U true CN218823667U (en) | 2023-04-07 |
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| CN202222936404.4U Active CN218823667U (en) | 2022-11-04 | 2022-11-04 | High-precision axle load simulation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117191425A (en) * | 2023-11-02 | 2023-12-08 | 湖南大学 | Vehicle moving load loading device suitable for indoor model test |
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2022
- 2022-11-04 CN CN202222936404.4U patent/CN218823667U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117191425A (en) * | 2023-11-02 | 2023-12-08 | 湖南大学 | Vehicle moving load loading device suitable for indoor model test |
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