CN114838856A - Test bench for leveling supporting leg supporting pressure test - Google Patents
Test bench for leveling supporting leg supporting pressure test Download PDFInfo
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- CN114838856A CN114838856A CN202210478416.9A CN202210478416A CN114838856A CN 114838856 A CN114838856 A CN 114838856A CN 202210478416 A CN202210478416 A CN 202210478416A CN 114838856 A CN114838856 A CN 114838856A
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 50
- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 238000005728 strengthening Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005283 ground state Effects 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention discloses a test bench for leveling supporting leg supporting pressure test, which comprises a main frame body and is characterized in that: the main frame body comprises an upper transverse beam, and supporting frame bodies are fixed on the bottom surfaces of the left part and the right part of the upper transverse beam; the middle part of each support frame body is provided with a middle transverse beam, the middle horizontal frame is positioned between the two support frame bodies, and the end part of the middle horizontal frame is welded and fixed on the corresponding middle transverse beam; it can fix the leveling supporting leg on first vertical connecting plate, and the bottom of the push rod of leveling supporting leg stretches out downwards and presses on the top surface of strengthening the pressure strip, pushes down the movable cross beam to obtain its overdraft and user state, simultaneously, it can be with movable cross beam adjustment be about oblique state, simulate it and press and test at the ground state of unevenness, thereby its user state of understanding better, the test is more perfect, the test effect is better.
Description
The technical field is as follows:
the invention relates to the technical field of machining of leveling supporting legs for vehicles, in particular to a test bench for testing the supporting pressure of the leveling supporting legs.
Background art:
some existing carriages with high-precision instruments installed inside or some mobile shelter hospitals and the like, which will be provided with balance legs at the bottom for supporting and keeping the balance of the carriage or mobile shelter hospital, which is operated by a motor on the balance supporting leg to ensure that an inner supporting rod of the balance supporting leg extends out of an outer tube of the balance supporting leg, the bottom end of the inner supporting rod is pressed against the bottom surface to jack up a carriage or a plurality of mobile shelter hospitals and the like to realize balance, during the processing, the supporting effect and the supporting force of the inner supporting rod of the balance supporting leg need to be detected, the existing method is to fix the inner support rod on the support frame, press the bottom end of the inner support rod on a detection plate below the inner support rod, detect the pressure of the inner support rod through a pressure sensor and the like, know the support state of the inner support rod, it can only detect the pressure of the balance leg against the horizontal plane, but cannot detect the supporting effect and the supporting force in other states.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provides a test bench for testing the supporting pressure of a leveling supporting leg, which can fix the leveling supporting leg on a first vertical connecting plate, the bottom end of a push rod of the leveling supporting leg extends downwards and is pressed against the top surface of a reinforced pressing plate, a movable cross beam is pressed downwards, so that the pressing force and the use state of the movable cross beam are obtained, meanwhile, the movable cross beam can be adjusted to be in a left-right inclined state, the state that the movable cross beam is pressed against the uneven ground is simulated for testing, so that the use state of the movable cross beam is better known, the test is more complete, and the test effect is better.
The scheme for solving the technical problems is as follows:
the utility model provides a be used for leveling landing leg support pressure test to use testboard, includes the body frame body, its characterized in that: the main frame body comprises an upper transverse beam, and supporting frame bodies are fixed on the bottom surfaces of the left part and the right part of the upper transverse beam;
the middle part of each support frame body is provided with a middle transverse beam, the middle horizontal frame is positioned between the two support frame bodies, and the end part of the middle horizontal frame is welded and fixed on the corresponding middle transverse beam;
a second fixed pulley seat is fixed on the top surface of the middle part of the middle transverse beam, first fixed pulley seats are fixed on the bottom surfaces of the left end and the right end of the upper transverse beam, third fixed pulley seats are installed on the bottom surfaces of the left part and the right part of the upper transverse beam, a steel wire rope is sequentially wound on a fixed pulley movably connected with the first fixed pulley seat on the same side, a fixed pulley movably connected with the second fixed pulley seat and a fixed pulley block movably connected with the third fixed pulley seat, the outer end of the steel wire rope extends out of the fixed pulley of the first fixed pulley seat, vertically and downwards and fixes a balancing weight, the inner end of the steel wire rope is vertically and downwards wound with a movable pulley block, and the movable pulley block is movably connected with a movable pulley block frame;
a movable cross beam is arranged below the two movable pulley block frames and is arranged on the two movable pulley block frames;
the left part and the right part of the movable cross beam are inserted in the vertical through grooves formed in the corresponding support frame bodies.
Furthermore, a reinforcing compression plate is fixed in the middle of the top surface of the movable cross beam.
Furthermore, the front part and the rear part of the top surfaces of the left end and the right end of the movable cross beam are respectively fixed with a guide connecting block, a ball is mounted on each guide connecting block, and one side of each ball extends out of each guide connecting block and is close to or closely attached to the inner side wall of the corresponding vertical through groove.
Furthermore, the left part and the right part of the upper transverse beam are both fixed with a hook connecting block, the top surface of the third fixed pulley seat is fixed with a hanging ring, and the hanging ring is sleeved on a hook of the corresponding hook connecting block;
and the two third fixed pulley seats are positioned between the two support frame bodies.
Furthermore, the left end and the right end of the upper transverse beam are both fixed with connecting rings, and the first fixed pulley seat is fixed on the corresponding connecting ring.
Further, the support frame body is a triangular frame body and comprises a top beam, inclined support rods extending outwards are fixedly welded on the bottom surfaces of the front end and the rear end of the top beam, the bottom ends of the four inclined support rods of the two support frame bodies are fixedly welded on the bottom frame, and the bottom frame is placed or fixed on the ground.
Furthermore, the two ends of the middle transverse beam are welded and fixed at the middle parts of the two corresponding front and back inclined support rods, the bottom surface of the middle transverse beam is fixed with two vertical guide support rods, the bottom ends of the two vertical guide support rods are welded and fixed on the top surface of the bottom frame, and a vertical through groove is formed between the two vertical guide support rods.
Furthermore, the top surfaces of the left part and the right part of the movable cross beam are both fixed with lower hanging rings, a bottom plate of the movable pulley block frame is fixed with a lower hook, and the lower hanging rings are sleeved on the lower hook.
Furthermore, the middle horizontal frame comprises a rear transverse beam and two front transverse beams, two ends of the rear transverse beam are welded and fixed on the inner side walls of the two middle transverse beams, the outer ends of the two front transverse beams are welded and fixed on the corresponding middle transverse beams, an adjusting through groove is formed between the two front transverse beams, and the two front transverse beams are positioned right in front of the rear transverse beam;
the bottom surfaces of the front transverse beam and the rear transverse beam at the left side and the right side of the adjusting through groove are fixedly welded with two connecting plates, the two connecting plates are located at the left side and the right side of the adjusting through groove, the lower connecting supporting block is fixedly connected to the bottom surfaces of the two connecting plates through bolts, a first vertical connecting plate is fixed on the right side wall of the lower connecting supporting block, and the first vertical connecting plate is located at the upper portion of one side of the reinforcing pressing plate.
Further, the direction connecting block includes connector block and end connection board, the bottom surface of connector block is fixed on the tip top surface of activity crossbeam, the middle part shaping that the connector block is facing to a side wall of vertical logical groove has the hemisphere recess, the ball plug bush is in the hemisphere recess, the connector block is facing to a side wall of vertical logical groove on through bolt fixedly connected with end connection board, the middle part shaping center through-hole of end connection board, center through-hole communicates with each other and aligns with the hemisphere recess, the diameter of the inside wall of center through-hole's outer end is less than the diameter of ball, one of them lateral part of ball stretches out the outer end of center through-hole.
The invention has the following outstanding effects:
1. it can fix the leveling supporting leg on first vertical connecting plate, and the bottom of the push rod of leveling supporting leg stretches out downwards and presses on the top surface of strengthening the pressure strip, pushes down the movable cross beam to obtain its overdraft and user state, simultaneously, it can be with movable cross beam adjustment be about oblique state, simulate it and press and test at the ground state of unevenness, thereby its user state of understanding better, the test is more perfect, the test effect is better.
2. Ball is all installed to both ends top surface about its movable cross beam, and the inside wall that leads to the groove is close to or hugs closely corresponding vertical to one side of ball stretches out the direction connecting block for when movable cross beam along vertical logical groove lift adjustment, reduce and vertical logical groove the inside wall between the contact, improve the regulation effect.
Description of the drawings:
FIG. 1 is a schematic view of a partial structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a partial side view of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
fig. 5 is a partial structural schematic view between the intermediate transverse beam and the intermediate horizontal shelf.
The specific implementation mode is as follows:
in an embodiment, as shown in fig. 1 to 5, a test bench for leveling leg support pressure tests comprises a main frame body 10, wherein the main frame body 10 comprises an upper transverse beam 11, and support frame bodies 20 are fixed on the bottom surfaces of the left part and the right part of the upper transverse beam 11;
the middle part of the support frame body 20 is provided with a middle transverse beam 21, the middle horizontal frame 30 is positioned between the two support frame bodies 20, and the end part of the middle horizontal frame 30 is welded and fixed on the corresponding middle transverse beam 21;
a second fixed pulley seat 1 is fixed on the top surface of the middle part of the middle transverse beam 21, first fixed pulley seats 2 are fixed on the bottom surfaces of the left end and the right end of the upper transverse beam 11, third fixed pulley seats 3 are installed on the bottom surfaces of the left part and the right part of the upper transverse beam 11, a steel wire rope 4 is sequentially wound on a fixed pulley 5 movably connected with the first fixed pulley seat 2 on the same side through a hinge shaft, a fixed pulley 5 movably connected with the second fixed pulley seat 1 through the hinge shaft and a fixed pulley block 500 movably connected with the third fixed pulley seat 3 through the hinge shaft, the outer end of the steel wire rope 4 extends out of the fixed pulley 5 of the first fixed pulley seat 2 and extends downwards vertically to fix a counterweight block 6, the inner end of the steel wire rope 4 is vertically downwards wound with a movable pulley block 7, and the movable pulley block 7 is movably connected with a movable pulley block frame 8 through the hinge shaft; the movable pulley block 7 in this embodiment is formed by mounting two or more movable pulleys on the same connecting shaft, and the fixed pulley block 500 is formed by mounting two or more fixed pulleys on the same connecting shaft.
A movable cross beam 40 is arranged below the two movable pulley block frames 8, and the movable cross beam 40 is arranged on the two movable pulley block frames 8;
the left and right parts of the movable cross beam 40 are inserted into the vertical through grooves 22 formed on the corresponding support frame body 20.
Further, a reinforcing and pressing plate 41 is fixed to the middle of the top surface of the movable cross beam 40.
Further, the front and rear parts of the top surfaces of the left and right ends of the movable beam 40 are fixed with guide connection blocks 50, the guide connection blocks 50 are provided with balls 60, and one side of each ball 60 extends out of the guide connection block 50 and is close to or closely attached to the inner side wall of the corresponding vertical through groove 22.
Furthermore, the left part and the right part of the upper transverse beam 11 are both fixed with a hook connecting block 12, the top surface of the third fixed pulley seat 3 is fixed with a hanging ring, and the hanging ring is sleeved on the corresponding hook of the hook connecting block 12;
the two third fixed pulley seats 3 are located between the two support frame bodies 20.
Further, the left end and the right end of the upper transverse beam 11 are both fixed with a connecting ring 13, and the first fixed pulley seat 2 is fixed on the corresponding connecting ring 13.
Further, the support frame body 20 is a triangular frame body, and includes a top beam 23, wherein the front and rear bottom surfaces of the top beam 23 are respectively welded and fixed with an outward-extending oblique support rod 24, the bottom ends of the four oblique support rods 24 of the two support frame bodies 20 are welded and fixed on a bottom frame 25, and the bottom frame 25 is placed or fixed on the ground.
Further, two ends of the middle transverse beam 21 are welded and fixed to the middle portions of the two corresponding front and rear diagonal support rods 24, two vertical guide support rods 211 are fixed to the bottom surface of the middle transverse beam 21, the bottom ends of the two vertical guide support rods 211 are welded and fixed to the top surface of the bottom frame 25, and a vertical through groove 22 is formed between the two vertical guide support rods 211.
Furthermore, the top surfaces of the left part and the right part of the movable cross beam 40 are both fixed with lower hanging rings 9, the bottom plate of the movable pulley block frame 8 is fixed with a lower hook 81, and the lower hanging rings 9 are sleeved on the lower hook 81.
Further, the middle horizontal frame 30 includes a rear transverse beam 31 and two front transverse beams 32, two ends of the rear transverse beam 31 are welded and fixed on inner side walls of the two middle transverse beams 21, outer ends of the two front transverse beams 32 are welded and fixed on the corresponding middle transverse beams 21, an adjusting through groove 33 is arranged between the two front transverse beams 32, and the two front transverse beams 32 are located right in front of the rear transverse beam 31;
the bottom surfaces of the front transverse beam 32 and the rear transverse beam 31 at the left side and the right side of the adjusting through groove 33 are fixedly welded with two connecting plates 34, the two connecting plates 34 are located at the left side and the right side of the adjusting through groove 33, the lower connecting supporting block 35 is fixedly connected to the bottom surfaces of the two connecting plates 34 through bolts, a first vertical connecting plate 351 is fixed to the right side wall of the lower connecting supporting block 35, and the first vertical connecting plate 351 is located above one side of the reinforcing pressing plate 351.
Further, the guide connecting block 50 includes a connecting block 51 and an end connecting plate 52, wherein the bottom surface of the connecting block 51 is fixed on the top surface of the end of the movable cross beam 40, a semi-spherical groove 53 is formed in the middle of one side wall surface of the connecting block 51 facing the vertical through slot 22, the ball 60 is inserted into the semi-spherical groove 53, the end connecting plate 52 is fixedly connected to one side wall surface of the connecting block 51 facing the vertical through slot 22 through a bolt, a central through hole 54 is formed in the middle of the end connecting plate 52, the central through hole 54 is communicated and aligned with the semi-spherical groove 53, the diameter of the inner side wall of the outer end of the central through hole 54 is smaller than that of the ball 60, the ball 60 is partially positioned in the central through hole 54, and one side of the ball 60 extends out of the outer end of the central through hole 54. The inner side wall of the central through hole 54 is a spherical wall surface, the diameter of the outer end of the central through hole is small, the diameter of the inner end of the central through hole is large, the inner end of the central through hole is aligned with and communicated with the outer end of the hemispherical groove 53, the inner side walls of the hemispherical groove 53 and the central through hole 54 are respectively fixed with a wear-resistant lubricating layer 70, and the outer side wall of the ball 60 is in contact with the wear-resistant lubricating layer 70.
The bottom surface between the front transverse beam 32 and the rear transverse beam 31 at the right part of the middle horizontal frame 30 is fixed with a horizontal fixed connecting plate 36, a plurality of connecting screw connection through holes which are transversely arranged are formed on the horizontal fixed connecting plate 36, the top plate of a secondary connecting and supporting block 80 is fixedly connected on the bottom surface of the horizontal fixed connecting plate 36 through bolts, a left connecting plate is fixed on the left side wall of the secondary connecting and supporting block 80, the left connecting plate and the first vertical connecting plate 351 can be used for fixedly connecting leveling legs, the secondary connecting and supporting block 80 can move transversely according to the style of the leveling legs which are required to be installed, the position of the secondary connecting and supporting block at the horizontal fixed connecting plate 36 is adjusted, and the connection detection use of the leveling legs with different specifications is met.
The bottom surface of the left part of the upper transverse beam 11 is fixed with a main vertical rod 111, the bottom of the main vertical rod 111 extends out of the bottom surface of a hollow groove between the rear transverse beam 31 of the middle horizontal frame 30 and the corresponding front transverse beam 32, the transverse support rods 212 are fixed on the wall surfaces, away from the left two vertical guide support rods 211, of the two transverse support rods 212, extending parts are formed on the inner side walls of the right ends of the two transverse support rods 212, the extending parts are welded and fixed on the front and rear wall surfaces of the lower part of the main vertical rod 111, the top surfaces of the transverse support rods 212 and the right ends of the bottom surfaces are fixed with inclined support rods 213, the upper ends of the inclined support rods 213 are welded and fixed on the side walls of the left corresponding vertical guide support rods 211, and supporting is achieved.
The lower part and the upper part of the right side wall of the main vertical rod 111 are both fixed with a main connecting mounting plate, the main connecting mounting plate can be provided with corresponding leveling legs, and when the main connecting mounting plate is used for mounting the leveling legs, the lower part connecting supporting block 35 needs to be detached so as to avoid interference.
When the leveling leg is used, the leveling leg is fixed on a corresponding main connecting mounting plate (when the leveling leg is installed on the main connecting mounting plate, the lower connecting support block 35 needs to be detached), the left connecting plate or the first vertical connecting plate 351, then the bottom push rod of the leveling leg is pushed out, so that the bottom end of the leveling leg is pressed against the top surface of the reinforcing pressing plate 41, the weight of the balancing weight 6 is the weight required by the design, when the bottom push rod of the leveling leg is pushed out, the bottom end of the leveling leg is pressed against the top surface of the reinforcing pressing plate 41 and can press the reinforcing pressing plate 41 downwards, the balancing weight 6 is lifted, the pressure of the leveling leg is required, and if the pressure of the leveling leg is not required, the leveling leg is not required;
simultaneously, this embodiment also can change the length of the wire rope 4 of left part or right part as required, if the part ligature that connects the balancing weight 6 department with one of them wire rope 4 shortens, at this moment, movable beam 40 just is the slope form for its simulation bottom surface is uneven position, then, detects again, the pressure when detecting for the not flat state this moment, thereby can detect the supporting effect that is in the leveling landing leg of different operating modes.
Set up cross support frame 90 between the diagonal bracing piece 213 of two support frame body 20's rear in this embodiment, the tip welded fastening of cross support frame 90 realizes the supporting effect on the lateral wall of the diagonal bracing piece 213 at two backs, guarantees the stability of equipment.
In this embodiment, the front portion and the rear portion of the left end and the right end top surface of movable cross beam 40 all are fixed with direction connecting block 50, install ball 60 on the direction connecting block 50, one side of ball 60 stretches out direction connecting block 50 and is close to or hugs closely the inside wall that corresponds vertical logical groove 22, thereby when guaranteeing that movable cross beam 40's both ends can reciprocate and incline along vertical logical groove 22, it is little with vertical logical groove 22's inside wall area of contact, it is convenient to adjust, frictional force is little, guarantee the stability and the effect of detection.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (10)
1. The utility model provides a be used for leveling landing leg support pressure test to use testboard, includes the body frame body (10), its characterized in that: the main frame body (10) comprises an upper transverse beam (11), and supporting frame bodies (20) are fixed on the bottom surfaces of the left part and the right part of the upper transverse beam (11);
the middle of each support frame body (20) is provided with a middle transverse beam (21), a middle horizontal frame (30) is positioned between the two support frame bodies (20), and the end part of each middle horizontal frame (30) is welded and fixed on the corresponding middle transverse beam (21);
a second fixed pulley seat (1) is fixed on the top surface of the middle part of the middle transverse beam (21), first fixed pulley seats (2) are fixed on the bottom surfaces of the left end and the right end of the upper transverse beam (11), third fixed pulley seats (3) are installed on the bottom surfaces of the left part and the right part of the upper transverse beam (11), a steel wire rope (4) is sequentially wound on fixed pulleys (5) movably connected on the first fixed pulley seats (2) on the same side, a fixed pulley (5) movably connected with the second fixed pulley seat (1) and a fixed pulley block (500) movably connected with the third fixed pulley seat (3), the outer end of the steel wire rope (4) extends out of the fixed pulley (5) of the first fixed pulley seat (2) to vertically extend downwards and fix a balancing weight (6), the inner end of the steel wire rope (4) vertically downwards winds a movable pulley block (7), and the movable pulley block (7) is movably connected with a movable pulley block frame (8);
a movable cross beam (40) is arranged below the two movable pulley block frames (8), and the movable cross beam (40) is arranged on the two movable pulley block frames (8);
the left part and the right part of the movable cross beam (40) are inserted and sleeved in the vertical through groove (22) formed on the corresponding support frame body (20).
2. The test bench for the leveling leg support pressure test according to claim 1, wherein: and a reinforcing compression plate (41) is fixed in the middle of the top surface of the movable cross beam (40).
3. The test bench for the leveling leg support pressure test according to claim 1, wherein: the front part and the rear part of the top surfaces of the left end and the right end of the movable cross beam (40) are respectively fixed with a guide connecting block (50), a ball (60) is installed on the guide connecting block (50), and one side of the ball (60) extends out of the guide connecting block (50) and is close to or closely attached to the inner side wall of the corresponding vertical through groove (22).
4. The test bench for the leveling leg support pressure test according to claim 1, wherein: the left part and the right part of the upper transverse beam (11) are both fixed with a hook connecting block (12), the top surface of the third fixed pulley seat (3) is fixed with a hanging ring, and the hanging ring is sleeved on a hook of the corresponding hook connecting block (12);
the two third fixed pulley seats (3) are positioned between the two support frame bodies (20).
5. The test bench for the leveling leg support pressure test according to claim 1, wherein: the left end and the right end of the upper transverse beam (11) are both fixed with connecting rings (13), and the first fixed pulley seat (2) is fixed on the corresponding connecting rings (13).
6. The test bench for the leveling leg support pressure test according to claim 1, wherein: the support frame body (20) is a triangular frame body and comprises a top beam (23), inclined support rods (24) extending outwards are welded and fixed to the bottom surfaces of the front end and the rear end of the top beam (23), the bottom ends of the four inclined support rods (24) of the two support frame bodies (20) are welded and fixed to a bottom frame body (25), and the bottom frame body (25) is placed or fixed on the ground.
7. The test bench for the leveling leg support pressure test according to claim 6, wherein: the two ends of the middle transverse beam (21) are welded and fixed in the middle of two corresponding inclined supporting rods (24) in the front and back, two vertical guide supporting rods (211) are fixed on the bottom surface of the middle transverse beam (21), the bottom ends of the two vertical guide supporting rods (211) are welded and fixed on the top surface of the bottom frame (25), and a vertical through groove (22) is formed between the two vertical guide supporting rods (211).
8. The test bench for the leveling leg support pressure test according to claim 6, wherein: the top surfaces of the left part and the right part of the movable cross beam (40) are both fixed with lower hanging rings (9), a bottom plate of the movable pulley block frame (8) is fixed with a lower hook (81), and the lower hanging rings (9) are sleeved on the lower hook (81).
9. The test bench for the leveling leg support pressure test of claim 1, wherein: the middle horizontal frame (30) comprises a rear transverse beam (31) and two front transverse beams (32), two ends of the rear transverse beam (31) are welded and fixed on the inner side walls of the two middle transverse beams (21), the outer ends of the two front transverse beams (32) are welded and fixed on the corresponding middle transverse beams (21), an adjusting through groove (33) is formed between the two front transverse beams (32), and the two front transverse beams (32) are positioned right in front of the rear transverse beam (31);
the bottom surface welded fastening who adjusts preceding transverse beam (32) and back transverse beam (31) of the left and right sides department that leads to groove (33) has two connecting plates (34), two connecting plates (34) are in the left and right sides of adjusting through groove (33), sub-unit connection supporting shoe (35) pass through bolt fixed connection on the bottom surface of two connecting plates (34), be fixed with first vertical connecting plate (351) on the right side wall of sub-unit connection supporting shoe (35), first vertical connecting plate (351) are in one side top department of strengthening pressure strip (351).
10. The test bench for the leveling leg support pressure test according to claim 3, wherein: the guide connecting block (50) comprises a connecting seat block (51) and an end connecting plate (52), the bottom surface of the connecting seat block (51) is fixed on the top surface of the end of the movable cross beam (40), a hemispherical groove (53) is formed in the middle of one side wall surface of the connecting seat block (51) facing the vertical through groove (22), the ball (60) is inserted and sleeved in the hemispherical groove (53), the end connecting plate (52) is fixedly connected onto one side wall surface of the connecting seat block (51) facing the vertical through groove (22) through a bolt, a central through hole (54) is formed in the middle of the end connecting plate (52), the central through hole (54) is communicated with and aligned with the hemispherical groove (53), the diameter of the inner side wall of the outer end of the central through hole (54) is smaller than that of the ball (60), and one side of the ball (60) extends out of the outer end of the central through hole (54).
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| CN202210478416.9A CN114838856B (en) | 2022-05-05 | 2022-05-05 | Test bench for leveling supporting leg supporting pressure test |
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| CN202210478416.9A CN114838856B (en) | 2022-05-05 | 2022-05-05 | Test bench for leveling supporting leg supporting pressure test |
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| CN114838856B (en) | 2024-03-22 |
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