CN114838856B - 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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- CN114838856B CN114838856B CN202210478416.9A CN202210478416A CN114838856B CN 114838856 B CN114838856 B CN 114838856B CN 202210478416 A CN202210478416 A CN 202210478416A CN 114838856 B CN114838856 B CN 114838856B
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 48
- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000001514 detection method Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Classifications
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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
Abstract
The invention discloses a test board for testing supporting pressure of leveling support legs, which comprises a main frame body and is characterized in that: the main frame body comprises an upper transverse beam, and the bottom surfaces of the left part and the right part of the upper transverse beam are both fixed with a support frame body; the middle part of the 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; the leveling supporting leg can be fixed on the first vertical connecting plate, the bottom end of the push rod of the leveling supporting leg extends downwards and presses against the top surface of the reinforced pressing plate, the movable cross beam is pressed downwards, so that the pressing force and the using 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 pressing of the movable cross beam against the uneven ground is simulated to test, the using state of the movable cross beam is better known, the testing is more perfect, and the testing effect is better.
Description
Technical field:
the invention relates to the technical field of processing of leveling supporting legs for vehicles, in particular to a test bench for testing supporting pressure of leveling supporting legs.
The background technology is as follows:
the existing carriages or mobile shelter hospitals and the like with high-precision instruments installed inside are provided with balance supporting legs at the bottoms for supporting and maintaining the balance of the carriages or the mobile shelter hospitals, the balance supporting legs run through motors on the balance supporting legs, so that inner supporting rods of the balance supporting legs extend out of outer tubes of the balance supporting legs, the bottom ends of the inner supporting rods are pressed against the bottom surface, the carriages or the mobile shelter hospitals and the like are jacked up to achieve balance, the inner supporting rods of the balance supporting legs are required to be detected in the processing process, the inner supporting rods are fixed on supporting frames, the bottom ends of the inner supporting rods extend out of detection plates pressed against the lower parts, the pressure of the inner supporting rods are detected through pressure sensors and the like, the supporting states of the inner supporting rods can only be detected, and the supporting effects and the supporting forces of the inner supporting rods in the rest states cannot be detected.
The invention comprises the following steps:
the invention aims to overcome the defects of the prior art, and provides a test board for testing the supporting pressure of a leveling support leg, which can fix the leveling support leg on a first vertical connecting plate, enable the bottom end of a push rod of the leveling support leg to extend downwards and press against the top surface of a reinforced pressing plate, press down a movable cross beam so as to obtain the pressing force and the using state of the movable cross beam, and simultaneously adjust the movable cross beam to be in a left-right inclined state so as to simulate the pressing state of the movable cross beam against uneven ground for testing, thereby better knowing the using state of the movable cross beam, ensuring more perfect testing and better testing effect.
The scheme for solving the technical problems is as follows:
a be used for leveling landing leg to support testboard for pressure test, includes main frame body, its characterized in that: the main frame body comprises an upper transverse beam, and the bottom surfaces of the left part and the right part of the upper transverse beam are both fixed with a support frame body;
the middle part of the 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;
the top surface of the middle part of the middle transverse beam is fixed with a second fixed pulley seat, the bottom surfaces of the left end and the right end of the upper transverse beam are both fixed with a first fixed pulley seat, the bottom surfaces of the left part and the right part of the upper transverse beam are both provided with a third fixed pulley seat, 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 and vertically extends downwards to fix a balancing weight, the inner end of the steel wire rope vertically downwards winds 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 and sleeved in vertical through grooves formed on the corresponding support frame body.
Further, a reinforcing and compressing plate is fixed in the middle of the top surface of the movable cross beam.
Further, the front and the rear parts 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, the guide connecting blocks are provided with balls, and one sides of the balls extend out of the guide connecting blocks and are close to or clung to the inner side walls of the corresponding vertical through grooves.
Further, the left part and the right part of the upper transverse beam are respectively 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;
the two third fixed pulley seats are positioned between the two support frames.
Further, 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, the bottom surfaces of the front end and the rear end of the top beam are fixedly welded with outwards extending inclined support rods, the bottom ends of the four inclined support rods of the two support frame bodies are fixedly welded on a bottom frame, and the bottom frame is placed or fixed on the ground.
Further, the two ends welded fastening of middle transverse beam is in the middle part of two diagonal bracing pieces that correspond around, and the bottom surface of middle transverse beam is fixed with two vertical direction bracing pieces, and the bottom welded fastening of two vertical direction bracing pieces is on the top surface of bottom frame, and the shaping has vertical logical groove between two vertical direction bracing pieces.
Further, the top surfaces of the left part and the right part of the movable cross beam are respectively fixed with a lower hanging ring, a lower hanging hook is fixed on the bottom plate of the movable pulley block frame, and the lower hanging rings are sleeved on the lower hanging hooks.
Further, 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 beams;
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 positioned at the left side and the right side of the adjusting through groove, the lower connecting support block is fixedly connected to the bottom surfaces of the two connecting plates through bolts, the right side wall of the lower connecting support block is fixedly provided with a first vertical connecting plate, and the first vertical connecting plate is positioned at the upper part of one side of the reinforcing compression plate.
Further, the guide connecting block comprises a connecting seat block and an end connecting plate, the bottom surface of the connecting seat block is fixed on the top surface of the end part of the movable cross beam, a hemispherical groove is formed in the middle of the side wall surface of the connecting seat block facing the vertical through groove, a ball is inserted into the hemispherical groove, the end connecting plate is fixedly connected to the side wall surface of the connecting seat block facing the vertical through groove through a bolt, a central through hole is formed in the middle of the end connecting plate, the central through hole is communicated with and aligned with the hemispherical groove, the diameter of the inner side wall of the outer end of the central through hole is smaller than the diameter of the ball, and one side part of the ball extends out of the outer end of the central through hole.
The invention has the outstanding effects that:
1. the leveling supporting leg can be fixed on the first vertical connecting plate, the bottom end of the push rod of the leveling supporting leg extends downwards and presses against the top surface of the reinforced pressing plate, the movable cross beam is pressed downwards, so that the pressing force and the using 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 pressing of the movable cross beam against the uneven ground is simulated to test, the using state of the movable cross beam is better known, the testing is more perfect, and the testing effect is better.
2. The ball is installed on the top surfaces of the left end and the right end of the movable cross beam, one side of the ball extends out of the guide connecting block and is close to or clings to the inner side wall of the corresponding vertical through groove, so that when the movable cross beam is adjusted in a lifting mode along the vertical through groove, contact between the movable cross beam and the inner side wall of the vertical through groove is reduced, and the adjusting effect is improved.
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 schematic view of a partial structure between the intermediate transverse beam and the intermediate horizontal shelf.
The specific embodiment is as follows:
1-5, a test bench for supporting pressure test of leveling support leg comprises a main frame body 10, wherein the main frame body 10 comprises an upper transverse beam 11, and a support frame body 20 is fixed on the bottom surface of the left part and the bottom surface of 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, a middle horizontal frame 30 is positioned between the two support frame bodies 20, and the end parts of the middle horizontal frame 30 are welded and fixed on the corresponding middle transverse beam 21;
the top surface of the middle part of the middle transverse beam 21 is fixed with a second fixed pulley seat 1, the bottom surfaces of the left end and the right end of the upper transverse beam 11 are both fixed with a first fixed pulley seat 2, the bottom surfaces of the left part and the right part of the upper transverse beam 11 are both provided with a third fixed pulley seat 3, a steel wire rope 4 is sequentially wound on the fixed pulley seat 2 on the same side and is movably connected with a fixed pulley 5 through a hinge shaft, the fixed pulley seat 1 is movably connected with a fixed pulley 5 through the hinge shaft and a fixed pulley seat 3 on the 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 vertically downwards and is fixedly provided with a balancing weight 6, the inner end of the steel wire rope 4 vertically downwards is wound with a movable pulley block 7, and the movable pulley block 7 is movably connected with the movable pulley block frame 8 through the hinge shaft; the movable pulley block 7 in this embodiment is composed of two or more movable pulleys mounted on the same connecting shaft, and the fixed pulley block 500 is composed of two or more fixed pulleys mounted 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 and sleeved in the vertical through grooves 22 formed on the corresponding support frame body 20.
Further, a reinforcing and pressing plate 41 is fixed in the middle of the top surface of the movable beam 40.
Further, the front and rear parts of the top surfaces of the left and right ends of the movable cross beam 40 are respectively fixed with a guide connection block 50, the guide connection block 50 is provided with a ball 60, and one side of the ball 60 extends out of the guide connection block 50 and is close to or clings to the inner side wall of the corresponding vertical through groove 22.
Further, the left part and the right part of the upper transverse beam 11 are respectively 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 holders 3 are located between the two support frames 20.
Further, 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 ring 13.
Further, the supporting frame 20 is a triangular frame, and includes a top beam 23, the bottom surfaces of the front and rear ends of the top beam 23 are welded and fixed with outwardly extending diagonal support bars 24, the bottom ends of the four diagonal support bars 24 of the two supporting frames 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 at the middle parts of two corresponding oblique support rods 24, two vertical guide support rods 211 are fixed on the bottom surface of the middle transverse beam 21, the bottom ends of the two vertical guide support 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 support rods 211.
Further, the top surfaces of the left part and the right part of the movable cross beam 40 are respectively fixed with a lower hanging ring 9, a lower hanging hook 81 is fixed on the bottom plate of the movable pulley block frame 8, and the lower hanging rings 9 are sleeved on the lower hanging hooks 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 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 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 positioned at the left side and the right side of the adjusting through groove 33, the lower connecting support block 35 is fixedly connected to the bottom surfaces of the two connecting plates 34 through bolts, the right side wall of the lower connecting support block 35 is fixedly provided with a first vertical connecting plate 351, and the first vertical connecting plate 351 is positioned above one side of the reinforcing compression plate 41.
Further, the guide connection block 50 includes a connection block 51 and an end connection plate 52, the bottom surface of the connection 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 a side wall surface of the connection block 51 facing the vertical through groove 22, a ball 60 is inserted in the hemispherical groove 53, the end connection plate 52 is fixedly connected to the side wall surface of the connection block 51 facing the vertical through groove 22 through a bolt, a central through hole 54 is formed in the middle of the end connection 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 the diameter of the ball 60, the ball 60 is partially positioned in the central through hole 54, and one side part 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 is small, the diameter of the inner end is large, the inner end is aligned with and communicated with the outer end of the hemispherical groove 53, the hemispherical groove 53 and the inner side wall of the central through hole 54 are both fixed with a wear-resistant lubrication layer 70, and the outer side wall of the ball 60 is contacted with the wear-resistant lubrication layer 70.
The bottom surface between the preceding horizontal beam 32 and the back horizontal beam 31 of the right part of middle horizontal frame 30 is fixed with horizontal fixed connection board 36, the shaping has a plurality of connection spiro union through-holes of horizontal arrangement on the horizontal fixed connection board 36, the roof of vice connection supporting shoe 80 passes through bolt fixed connection on the bottom surface of horizontal fixed connection board 36, be fixed with left connecting plate on the left side wall of vice connection supporting shoe 80, left connecting plate and first vertical connecting plate 351 all can be used for fixed connection leveling landing leg, its vice connection supporting shoe 80 can carry out lateral shifting according to the style of leveling landing leg that installs as required, adjust its position that is in horizontal fixed connection board 36, satisfy the leveling landing leg connection detection of different specifications and use.
The left bottom surface of upper portion transverse beam 11 is fixed with main vertical pole 111, the bottom of main vertical pole 111 stretches out the bottom surface of the empty slot between the back transverse beam 31 of middle horizontal frame 30 and the preceding transverse beam 32 that corresponds, all be fixed with horizontal bracing piece 212 on the wall that left side two vertical direction bracing pieces 211 kept away from mutually, the right-hand member inside wall shaping of two horizontal bracing pieces 212 has extension, extension welded fastening is on the wall around the lower part of main vertical pole 111, the right-hand member of the top surface and the bottom surface of horizontal bracing piece 212 all is fixed with diagonal bracing piece 213, the upper end welded fastening of diagonal bracing piece 213 is on the lateral wall of the corresponding vertical direction bracing piece 211 of left side, realize supporting.
The lower part and the upper right side wall of the main vertical rod 111 are both fixed with main connection mounting plates, and the main connection mounting plates can be provided with corresponding leveling legs, so that when the leveling legs are mounted by using the main connection mounting plates, the lower connection supporting blocks 35 need to be detached so as not to interfere.
In use, the leveling support leg is fixed on the corresponding main connection mounting plate (when the leveling support leg is mounted on the main connection mounting plate, the lower connection supporting block 35 needs to be detached), the left connection plate or the first vertical connection plate 351, then the bottom push rod of the leveling support leg is pushed out, so that the bottom end of the leveling support leg is pressed against the top surface of the reinforced pressing plate 41, the weight of the balancing weight 6 is the weight required by design, when the bottom push rod of the leveling support leg is pushed out, the bottom end of the leveling support leg is pressed against the top surface of the reinforced pressing plate 41 and can press the reinforced pressing plate 41 downwards, the balancing weight 6 is lifted, the pressure of the leveling support leg meets the requirement, and whether the pressure of the leveling support leg meets the requirement is indicated that the leveling support leg does not meet the requirement;
meanwhile, the length of the steel wire rope 4 at the left part or the right part can be changed according to the requirement, for example, the part where one steel wire rope 4 is connected with the balancing weight 6 is bound and shortened, at the moment, the movable cross beam 40 is inclined, so that the movable cross beam simulates the uneven bottom surface, then, the position is detected, and the pressure in the uneven state is detected at the moment, so that the supporting effect of the leveling support leg under different working conditions can be detected.
The cross support frame 90 is arranged between the rear diagonal support rods 213 of the two support frames 20 in the embodiment, and the ends of the cross support frame 90 are welded and fixed on the side walls of the two rear diagonal support rods 213, so that the support effect is realized, and the stability of the equipment is ensured.
In this embodiment, the front and rear parts of the left end and right end top surfaces of the movable beam 40 are both fixed with the guide connection block 50, the ball 60 is mounted on the guide connection block 50, and one side of the ball 60 extends out of the guide connection block 50 and is close to or clings to the corresponding inner side wall of the vertical through slot 22, so that the contact area between the two ends of the movable beam 40 and the inner side wall of the vertical through slot 22 is small when the two ends of the movable beam 40 can move up and down and incline along the vertical through slot 22, the adjustment is convenient, the friction force is small, and the stability and the effect of detection are ensured.
Finally, the above embodiments are only for illustrating the invention, not for limiting it, and various changes and modifications can be made by one skilled in the relevant art without departing from the spirit and scope of the invention, so that all equivalent technical solutions are also within the scope of the invention, which is defined by the claims.
Claims (8)
1. The utility model provides a be used for leveling landing leg to support test bench for pressure test, includes main frame body (10), its characterized in that: 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 bodies (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 parts of the middle horizontal frame (30) are welded and fixed on the corresponding middle transverse beam (21);
the upper surface of the middle part of the middle transverse beam (21) is fixedly provided with a second fixed pulley seat (1), the bottom surfaces of the left end and the right end of the upper transverse beam (11) are respectively fixedly provided with a first fixed pulley seat (2), the bottom surfaces of the left part and the right part of the upper transverse beam (11) are respectively provided with a third fixed pulley seat (3), a wire rope (4) is sequentially wound on the fixed pulley (5) movably connected with the first fixed pulley seat (2) at the same side, the fixed pulley (5) movably connected with the second fixed pulley seat (1) and the fixed pulley block (500) movably connected with the third fixed pulley seat (3), the fixed pulley (5) of the first fixed pulley seat (2) extends downwards vertically and fixes a balancing weight (6), the inner end of the wire rope (4) is vertically downwards wound with a movable pulley block (7), and the movable pulley block (7) is movably connected with the 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 vertical through grooves (22) formed on the corresponding support frame body (20);
a reinforcing and pressing plate (41) is fixed in the middle of the top surface of the movable cross beam (40);
the front and the rear 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 arranged on each guide connecting block (50), and one side of each ball (60) extends out of each guide connecting block (50) and is close to or clung to the inner side wall of the corresponding vertical through groove (22).
2. A test stand for leveling leg support pressure testing as set forth in claim 1 wherein: the left part and the right part of the upper transverse beam (11) are respectively 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 frames (20).
3. A test stand for leveling leg support pressure testing as set forth in 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).
4. A test stand for leveling leg support pressure testing as set forth in claim 1 wherein: the support frame body (20) is a triangular frame body, and comprises a top beam (23), wherein the bottom surfaces of the front end and the rear end of the top beam (23) are fixedly welded with outwards extending inclined support rods (24), the bottom ends of the four inclined support rods (24) of the two support frame bodies (20) are fixedly welded on a bottom frame type frame (25), and the bottom frame type frame (25) is placed or fixed on the ground.
5. A test stand for leveling leg support pressure testing as set forth in claim 4 wherein: two ends of the middle transverse beam (21) are welded and fixed at the middle parts of two corresponding oblique supporting rods (24) in 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).
6. A test stand for leveling leg support pressure testing as set forth in claim 4 wherein: the left part and the right part top surfaces of the movable cross beam (40) are both fixed with lower hanging rings (9), a lower hook (81) is fixed on the bottom plate of the movable pulley block frame (8), and the lower hanging rings (9) are sleeved on the lower hook (81).
7. A test stand for leveling leg support pressure testing as set forth in 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 beams (31);
the front transverse beam (32) and the bottom surface welded fastening of back transverse beam (31) of the left and right sides department of regulation logical groove (33) have two connecting plates (34), and two connecting plates (34) are in the left and right sides of regulation logical groove (33), and lower part connection supporting shoe (35) pass through bolt fixed connection on the bottom surface of two connecting plates (34), are fixed with first vertical connecting plate (351) on the right lateral wall of lower part connection supporting shoe (35), and first vertical connecting plate (351) are in the one side top department of strengthening pinch-off blades (41).
8. A test stand for leveling leg support pressure testing as set forth in claim 1 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 part 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), a ball (60) is inserted into 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 the hemispherical groove (53) and aligned, the diameter of the inner side wall of the outer end of the central through hole (54) is smaller than the diameter of the ball (60), and one side part 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 true CN114838856B (en) | 2024-03-22 |
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