CN215524910U - A mark frock frame for chassis dynamometer machine - Google Patents

A mark frock frame for chassis dynamometer machine Download PDF

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Publication number
CN215524910U
CN215524910U CN202120589784.1U CN202120589784U CN215524910U CN 215524910 U CN215524910 U CN 215524910U CN 202120589784 U CN202120589784 U CN 202120589784U CN 215524910 U CN215524910 U CN 215524910U
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China
Prior art keywords
calibration
mounting hole
fixed
force arm
rod
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CN202120589784.1U
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Chinese (zh)
Inventor
周磊
赵斌
徐伟
黄诚
陈多峰
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Hubei Huanyee Electromagnetic Equipment Engineering Technology Co Ltd
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Hubei Huanyee Electromagnetic Equipment Engineering Technology Co Ltd
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Abstract

The utility model discloses a calibration tool rack for a chassis dynamometer, which comprises a calibration force arm, wherein a transverse and horizontally arranged stud is installed at the left end of the calibration force arm in a penetrating manner, double-end screw rods are respectively fixed at two ends of the stud, a weight basket is connected to the lower end of each double-end screw rod, and calibration weights are placed on the weight basket; the right end of the calibration force arm is hinged and fixed with the movable trolley and the tension and compression sensing assembly respectively. The problem of among the prior art mark the activity of frock frame poor, and can't accomplish the pulling force of dynamometer machine and mark, operating personnel need go to the ground storehouse and operate simultaneously is solved.

Description

A mark frock frame for chassis dynamometer machine
Technical Field
The utility model relates to the technical field of automobile detection equipment, in particular to a calibration tool rack for a chassis dynamometer.
Background
The chassis dynamometer replaces the road surface with roller simulation, various resistances encountered by an automobile during running are simulated through a loading device, the loading device applies braking torque to a rotor through a stator, and meanwhile, the stator receives the reaction torque of the rotor, and the torque is measured by a force sensor and converted into the torque and the power of a driving wheel to finish the test of the relevant performance of the automobile.
The existing calibration device for the chassis dynamometer mainly comprises a calibration support, a calibration force arm, a weight basket and a calibration weight, is poor in mobility and generally only can be used for pressure calibration of the dynamometer in the design of the existing calibration device for the chassis dynamometer, and meanwhile, an operator is often required to enter a ground bin to operate when the calibration device works.
Therefore, the calibration tool rack for the chassis dynamometer is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a calibration tool frame for a chassis dynamometer, aiming at the problems that in the prior art, only pressure calibration can be carried out on the dynamometer, tension calibration on the dynamometer cannot be completed, and meanwhile, the mobility is poor.
In order to achieve the purpose, the utility model adopts the technical scheme that: a calibration tool rack for a chassis dynamometer comprises a calibration force arm, wherein a transverse and horizontally arranged stud is installed at the left end of the calibration force arm in a penetrating mode, double-end screw rods are fixed to two ends of the stud respectively, a weight basket is connected to the lower end of each double-end screw rod, and calibration weights are placed on the weight basket; the right end of the calibration force arm is hinged and fixed with the movable trolley and the tension and compression sensing assembly respectively.
The tension and compression sensing assembly comprises a fixed suspension rod, a tension and compression sensor is screwed on the fixed suspension rod, a calibration adjusting rod is in contact with the lower surface of the tension and compression sensor and is screwed with the fixed suspension rod, the calibration adjusting rod extends out of a ground bin, the lower end of the calibration adjusting rod is screwed with a calibration fixing rod, the calibration fixing rod is positioned in the ground bin, the lower end of the calibration fixing rod is screwed with a connecting seat, and the calibration fixing rod is connected with a motor in the ground bin; when the tension calibration of the dynamometer needs to be carried out, the position of a support rod of the movable trolley is exchanged with the installation position of a fixed suspender of the tension-compression sensing assembly, the support rod of the movable trolley is fixed on a first installation hole through a bolt, meanwhile, the fixed suspender of the tension-compression sensing assembly is fixed on a second installation hole through the bolt, and the calibration weight is placed on a weight basket to carry out the tension calibration of the dynamometer; the tension and compression sensor in the tension and compression sensing assembly and the sensor on the dynamometer are of the same type and have interchangeability, and the movable trolley is installed at the lower end of the calibration force arm, so that the mobility of the chassis dynamometer calibration tooling frame can be improved.
Preferably, a first mounting hole is formed in a port at the right end of the calibration force arm, a second mounting hole is formed between the first mounting hole and the stud and close to the first mounting hole, and the first mounting hole and the second mounting hole are arranged at the right end of the calibration force arm in parallel.
The first mounting hole and the second mounting hole are installed at the right end of the calibration force arm, and when pressure calibration of the dynamometer and tension calibration of the dynamometer are carried out, the first mounting hole and the second mounting hole are respectively connected with different components, and the calibration device is convenient to detach when different calibration processes are carried out.
Preferably, the movable trolley comprises a trolley body, wherein a transverse through groove is formed in the trolley body, universal wheels are installed on the bottom surface of the trolley body, clamping blocks are installed on the universal wheels, and a supporting rod is vertically welded and fixed to the right end of the trolley body.
When carrying out the pulling force calibration, draw and press sensing component to connect at the second mounting hole, draw and press sensing component to be located the left side of travelling car this moment, consequently the automobile body is opened has logical groove, conveniently draws the installation and the dismantlement of pressing sensing component, and the universal wheel is installed to the automobile body, and installs the fixture block on the universal wheel, and after the travelling car moved the assigned position, the fixture block blocked the universal wheel, and is fixed with the travelling car.
Preferably, the tension and compression sensing assembly comprises a fixed suspension rod, the fixed suspension rod is screwed with the tension and compression sensor, the lower end of the fixed suspension rod is screwed with the calibration adjusting rod, the lower end of the calibration adjusting rod is screwed with the upper end of the calibration fixing rod, the lower end of the calibration fixing rod is screwed with the connecting seat, and the connecting seat is screwed on the loading motor.
The tension and compression sensor is connected with the calibration force arm through the fixed suspension rod, the lower end of the tension and compression sensor is connected with the calibration adjusting rod, the lower end of the calibration sensor is screwed with the calibration fixing rod, disassembly and length adjustment can be completed, and the connecting seat is fixed on the loading motor and is convenient for calibration.
Preferably, the fixed suspension rod is hinged and fixed on the first mounting hole, and the support rod is hinged and fixed on the second mounting hole.
The installation mode forms a dynamometer pressure calibration device, and the dynamometer pressure calibration can be completed by adopting the installation mode.
Preferably, the support rod is hinged and fixed on the first mounting hole, and the fixed suspender is hinged and fixed on the second mounting hole.
The installation mode forms a dynamometer tension calibration device, and the dynamometer tension calibration can be completed by adopting the installation mode.
Preferably, two limiting plates are welded at the bottom end of the calibration force arm, close to the first mounting hole and the second mounting hole respectively.
The limiting plate is arranged, so that the condition that the force arm is hung down when a calibration weight is not hung is avoided, the calibration force arm is damaged, and the limiting plate can well limit the calibration force arm to hang down.
Compared with the prior art, the utility model has the beneficial effects that: 1. the calibration tooling frame for the chassis dynamometer comprises a moving trolley which is fixedly installed, wherein the moving trolley is provided with universal wheels and clamping blocks, and a through groove is formed in a trolley body, so that the moving and the mounting and dismounting of the tooling frame are facilitated; 2. the calibration tool frame for the chassis dynamometer can finish pressure calibration of the dynamometer and tension calibration of the dynamometer through simple assembly and disassembly; 3. the movable trolley is arranged above the cover plate, and the laid cover plate is just flush with the ground, so that an operator can finish operation without entering a pit, and the operation is simple, convenient and safe.
Drawings
FIG. 1 is a schematic diagram of pressure calibration of a calibration tool rack for a chassis dynamometer according to the present invention;
FIG. 2 is a schematic diagram of the tension calibration of a calibration tool rack for a chassis dynamometer according to the present invention;
FIG. 3 is a schematic diagram of a calibration moment arm of a calibration tool rack for a chassis dynamometer according to the present invention;
in the figure: 1. calibrating a force arm; 2. a double-ended threaded rod; 3. a weight basket; 4. a stud; 5. a support bar; 6. a through groove; 7. a vehicle body; 8. a universal wheel; 9. a clamping block; 10. fixing the suspender; 11. a tension and compression sensor; 12. calibrating an adjusting rod; 13. calibrating a fixed rod; 14. a connecting seat; 15. a first mounting hole; 16. a second mounting hole; 17. a limiting plate; 18. a bolt; 19. and calibrating the weight.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 and 3, a calibration tool rack for a chassis dynamometer includes a calibration force arm 1, a horizontal stud 4 is installed at the left end of the calibration force arm 1 in a penetrating manner, double-ended screw rods 2 are respectively fixed at two ends of the stud 4, a weight basket 3 is connected to the lower ends of the double-ended screw rods 2, and a calibration weight 19 is placed on the weight basket 3; the right end of the calibration force arm 1 is hinged and fixed with the movable trolley and the tension and compression sensing assembly respectively.
The calibration force arm 1 is a cavity plate structure formed by connecting two parallel plates, when pressure calibration is carried out, a double-end stud 4 is installed at a port at the left end of the calibration force arm 1, two double-end screw rods 2 are connected to two ends of the double-end screw rods 4, a weight basket 3 is screwed at the lower end of each double-end screw rod 2, a calibration weight 19 is placed on the weight basket 3, a limiting plate 17 is installed at the bottom end of the calibration force arm 1 close to a first installation hole 15 and a second installation hole 16, a first installation hole 15 is formed at a port at the right end of the calibration force arm 1, a second installation hole 16 is formed between the first installation hole 15 and the double-end screw rods 4 and close to the inner side of the first installation hole 15, and the first installation hole 15 and the second installation hole 16 are arranged at the right end of the calibration force arm 1 in parallel; the upper end of the support rod 5 is fixed on the second mounting hole 16 through a bolt 18, the lower end of the support rod 5 is connected with a vehicle body 7, the vehicle body 7 is provided with a transverse through groove 6, the bottom surface of the vehicle body 7 is provided with a universal wheel 8, and the universal wheel 8 is provided with a clamping block 9; the upper end of a fixed suspender 10 is fixed on a first mounting hole 15 through a bolt 18, the fixed suspender 10 is screwed with a tension and compression sensor 11, the tension and compression sensor 11 has the same type with a sensor of a dynamometer, the lower end of the fixed suspender 10 is screwed with a calibration adjusting rod 12, the lower end face of the tension and compression sensor 11 is contacted with the calibration adjusting rod 12, the lower end of the calibration adjusting rod 12 is screwed with a calibration fixing rod 13, and the lower end of the calibration fixing rod 13 is connected with a connecting seat 14.
The calibration force arm 1 is connected with a moving trolley, so that the installation and the movement are convenient, a clamping block 9 is arranged on a universal wheel 8 of the moving trolley, and after the moving trolley moves in place, the universal wheel 8 is clamped by the clamping block 9 to prevent the moving trolley from moving; the right end of the side face of the calibration force arm 1 is provided with a first mounting hole 15 and a second mounting hole 16 in parallel, when the upper end of a support rod 5 of the movable trolley is hinged and fixed in the second mounting hole 16, and a fixed suspender 10 of the tension and compression sensing assembly is hinged and fixed in the first mounting hole 15, the mounting mode forms a dynamometer pressure calibration device, the movable trolley moves on a laid cover plate, the cover plate is flush with the ground, and an operator can finish the calibration and related test of the moment on the ground without entering a ground bin.
Preferably, a first mounting hole 15 is formed in a port at the right end of the calibration force arm 1, a second mounting hole 16 is formed between the first mounting hole 15 and the stud bolt 4 and close to the first mounting hole 15, and the first mounting hole 15 and the second mounting hole 16 are arranged at the right end of the calibration force arm 1 in parallel.
The right end of the calibration force arm 1 is provided with a first mounting hole 15 and a second mounting hole 16, when the pressure calibration of the dynamometer and the tension calibration of the dynamometer are carried out, the first mounting hole 15 and the second mounting hole 16 are respectively connected with different components, and the components are convenient to detach when different calibration processes are carried out.
Preferably, the movable trolley comprises a trolley body 7, a transverse through groove 6 is formed in the trolley body 7, universal wheels 8 are installed on the bottom surface of the trolley body 7, clamping blocks 9 are installed on the universal wheels 8, and a supporting rod 5 is vertically welded and fixed to the right end of the trolley body 7.
When carrying out the pulling force calibration, draw and press sensing component to connect at second mounting hole 16, draw and press sensing component to be located the left side of travelling car this moment, consequently automobile body 7 is opened has logical groove 6, conveniently draws and presses sensing component's installation and dismantlement, and universal wheel 8 is installed to automobile body 7, and installs fixture block 9 on the universal wheel 8, and after the travelling car moved the assigned position, fixture block 9 blocked universal wheel 8, and is fixed with the travelling car.
Preferably, the tension and compression sensing assembly comprises a fixed suspender 10, a tension and compression sensor 11 is screwed on the fixed suspender 10, a calibration adjusting rod 12 is screwed at the lower end of the fixed suspender 10, the lower end of the calibration adjusting rod 12 is screwed with the upper end of a calibration fixing rod 13, a connecting seat 14 is screwed at the lower end of the calibration fixing rod 13, and the connecting seat 14 is screwed on the loading motor.
The tension and compression sensor 11 is connected with the calibration force arm 1 through a fixed suspension rod 10, the lower end of the tension and compression sensor 11 is connected with a calibration adjusting rod 12, the lower end of the tension and compression sensor 11 is in threaded connection with a calibration fixing rod 13, disassembly and length adjustment can be completed, and the connecting seat is fixed on a loading motor and is convenient for calibration.
Preferably, the fixed hanger bar 10 is hingedly fixed to the first mounting hole 15, and the support bar 5 is hingedly fixed to the second mounting hole 16.
The installation mode forms a dynamometer pressure calibration device, and the dynamometer pressure calibration can be completed by adopting the installation mode.
Preferably, two limiting plates 17 are welded at the bottom end of the calibration force arm 1 close to the first mounting hole 15 and the second mounting hole 16 respectively.
The limiting plate 17 is arranged, so that the situation that the calibration force arm 1 is drooping when the calibration weight 19 is not hung is avoided, the calibration force arm 1 is damaged, and the limiting calibration force arm 1 which can be well limited by the limiting plate 17 is drooping.
Example two
Referring to fig. 2 and 3, a calibration tool rack for a chassis dynamometer includes a calibration force arm 1, a horizontal stud 4 is installed at the left end of the calibration force arm 1 in a penetrating manner, a double-ended screw rod 2 is fixed at each of two ends of the stud 4, and a weight basket 3 is connected to the lower end of the double-ended screw rod 2; the right end of the calibration force arm 1 is hinged and fixed with the movable trolley and the tension and compression sensing assembly respectively.
The calibration force arm 1 is a cavity plate structure formed by connecting two parallel plates, when pressure calibration is carried out, a double-end stud 4 is installed at a port at the left end of the calibration force arm 1, two double-end screw rods 2 are connected to two ends of the double-end screw rods 4, a weight basket 3 is screwed at the lower end of each double-end screw rod 2, a calibration weight 19 is placed on the weight basket 3, a limiting plate 17 is installed at the bottom end of the calibration force arm 1 close to a first installation hole 15 and a second installation hole 16, a first installation hole 15 is formed at a port at the right end of the calibration force arm 1, a second installation hole 16 is formed between the first installation hole 15 and the double-end stud and close to the inner side of the first installation hole 15, and the first installation hole 15 and the second installation hole 16 are arranged at the right end of the calibration force arm 1 in parallel; the upper end of the support rod 5 is fixed on the first mounting hole 15 through a bolt 18, the lower end of the support rod 5 is connected with a vehicle body 7, the vehicle body 7 is provided with a transverse through groove 6, the bottom surface of the vehicle body 7 is provided with a universal wheel 8, and a clamping block 9 is arranged on the universal wheel 8; the upper end of the fixed suspender 10 is fixed on the second mounting hole 16 through a bolt 18, the fixed suspender 10 is screwed with a tension and compression sensor 11, the tension and compression sensor 11 has the same type as the sensor of the dynamometer, the lower end of the fixed suspender 10 is screwed with a calibration adjusting rod 12, the lower end face of the tension and compression sensor 11 is contacted with the calibration adjusting rod 12, the lower end of the calibration adjusting rod 12 is screwed with a calibration fixing rod 13, and the lower end of the calibration fixing rod 13 is connected with a connecting seat 14.
The calibration force arm 1 is connected with a moving trolley, so that the installation and the movement are convenient, a clamping block 9 is arranged on a universal wheel 8 of the moving trolley, and after the moving trolley moves in place, the universal wheel 8 is clamped by the clamping block 9 to prevent the moving trolley from moving; the right end of the side face of the calibration force arm 1 is provided with a first mounting hole 15 and a second mounting hole 16 in parallel, when the upper end of a support rod 5 of the movable trolley is hinged and fixed in the first mounting hole 15, and a fixed suspender 10 of the tension and compression sensing assembly is hinged and fixed in the second mounting hole 16, the mounting mode forms a dynamometer tension calibration device, the movable trolley moves on a laid cover plate, the cover plate is flush with the ground, and an operator can finish torque calibration and related tests on the ground without entering a ground bin.
Preferably, a first mounting hole 15 is formed in a port at the right end of the calibration force arm 1, a second mounting hole 16 is formed between the first mounting hole 15 and the stud and close to the first mounting hole 15, and the first mounting hole 15 and the second mounting hole 16 are arranged at the right end of the calibration force arm 1 in parallel.
The right end of the calibration force arm 1 is provided with a first mounting hole 15 and a second mounting hole 16, when the pressure calibration of the dynamometer and the tension calibration of the dynamometer are carried out, the first mounting hole 15 and the second mounting hole 16 are respectively connected with different components, and the calibration device is convenient to disassemble when different calibration processes are advanced.
Preferably, the movable trolley comprises a trolley body 7, a transverse through groove 6 is formed in the trolley body 7, universal wheels 8 are installed on the bottom surface of the trolley body 7, clamping blocks 9 are installed on the universal wheels 8, and a supporting rod 5 is vertically welded and fixed to the right end of the trolley body 7.
When carrying out the pulling force calibration, draw and press sensing component to connect at second mounting hole 16, draw and press sensing component to be located the left side of travelling car this moment, consequently automobile body 7 is opened has logical groove 6, conveniently draws and presses sensing component's installation and dismantlement, and universal wheel 8 is installed to automobile body 7, and installs fixture block 9 on the universal wheel 8, and after the travelling car moved the assigned position, fixture block 9 blocked universal wheel 8, and is fixed with the travelling car.
Preferably, the tension and compression sensing assembly comprises a fixed suspender 10, a tension and compression sensor 11 is screwed on the fixed suspender 10, a calibration adjusting rod 12 is screwed at the lower end of the fixed suspender 10, the lower end of the calibration adjusting rod 12 is screwed with the upper end of a calibration fixing rod 13, a connecting seat 14 is screwed at the lower end of the calibration fixing rod 13, and the connecting seat 14 is fixed on the loading motor.
The tension and compression sensor 11 is connected with the calibration force arm 1 through a fixed suspension rod 10, the lower end of the tension and compression sensor 11 is connected with a calibration adjusting rod 12, the lower end of the tension and compression sensor 11 is in threaded connection with a calibration fixing rod 13, disassembly and length adjustment can be completed, and the connecting seat is fixed on a loading motor and is convenient for calibration.
Preferably, the support rod 5 is fixed to the first mounting hole 15 in a hinged manner, and the fixed hanger 10 is fixed to the second mounting hole 16 in a hinged manner.
The installation mode forms a dynamometer tension calibration device, and the dynamometer tension calibration can be completed by adopting the installation mode.
Preferably, two limiting plates 17 are welded at the bottom end of the calibration force arm 1 close to the first mounting hole 15 and the second mounting hole 16 respectively.
The limiting plate 17 is arranged, so that the situation that the calibration force arm 1 is drooping when the calibration weight 19 is not hung is avoided, the calibration force arm 1 is damaged, and the limiting calibration force arm 1 which can be well limited by the limiting plate 17 is drooping.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A calibration tool rack for a chassis dynamometer is characterized by comprising a calibration force arm, wherein a transverse and horizontal stud is installed at the left end of the calibration force arm in a penetrating mode, double-end screw rods are respectively fixed to two ends of the stud, a weight basket is connected to the lower end of each double-end screw rod, and calibration weights are placed on the weight basket; the right end of the calibration force arm is hinged and fixed with the movable trolley and the tension and compression sensing assembly respectively.
2. The calibration tool rack for the chassis dynamometer of claim 1, wherein a first mounting hole is disposed at a right end of the calibration force arm, a second mounting hole is disposed between the first mounting hole and the stud bolt and near the first mounting hole, and the first mounting hole and the second mounting hole are disposed at a right end of the calibration force arm in parallel.
3. The calibration tool rack for the chassis dynamometer as claimed in claim 2, wherein the moving trolley comprises a trolley body, the trolley body is provided with a transverse through groove, universal wheels are mounted on the bottom surface of the trolley body, clamping blocks are mounted on the universal wheels, and a support rod is vertically welded and fixed to the right end of the trolley body.
4. The calibration jig frame for chassis dynamometer of claim 3, wherein said pull-press sensing assembly comprises a fixed suspension rod, said fixed suspension rod is screwed with a pull-press sensor, said fixed suspension rod is screwed with a calibration adjusting rod at its lower end, said calibration adjusting rod is screwed with its lower end with its upper end, said calibration fixing rod is screwed with a connecting seat, said connecting seat is screwed with a loading motor.
5. The calibration jig frame for a chassis dynamometer as claimed in claim 4, wherein the fixed suspension rod is fixed to the first mounting hole in an articulated manner, and the supporting rod is fixed to the second mounting hole in an articulated manner.
6. The calibration jig frame for a chassis dynamometer as claimed in claim 4, wherein the supporting rod is fixed to the first mounting hole in an articulated manner, and the fixed suspension rod is fixed to the second mounting hole in an articulated manner.
7. The calibration tool rack for the chassis dynamometer of claim 2, wherein two limiting plates are welded to the bottom end of the calibration force arm near the first mounting hole and the second mounting hole respectively.
CN202120589784.1U 2021-03-23 2021-03-23 A mark frock frame for chassis dynamometer machine Active CN215524910U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120589784.1U CN215524910U (en) 2021-03-23 2021-03-23 A mark frock frame for chassis dynamometer machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120589784.1U CN215524910U (en) 2021-03-23 2021-03-23 A mark frock frame for chassis dynamometer machine

Publications (1)

Publication Number Publication Date
CN215524910U true CN215524910U (en) 2022-01-14

Family

ID=79800744

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120589784.1U Active CN215524910U (en) 2021-03-23 2021-03-23 A mark frock frame for chassis dynamometer machine

Country Status (1)

Country Link
CN (1) CN215524910U (en)

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