Oscillating earth hardness research device
Technical Field
The invention relates to a research device, in particular to a swing type soil hardness research device.
Background
The hardness of soil is to whether test a land is fit for digging a well, and the degree of difficulty and the feasibility of digging a well have very big influence, to seeding seedling, plant the development of seedling root system and have very big influence also to the soil permeability of soil, air permeability and the soil of large-scale machine operation to, need test and research.
At present, hardness research is carried out to earth is that the manual work is beaten iron cone or wooden stick with the hammer and is carried out test study, and the manual work is beaten and is not only wasted time and energy, when test study meets the stone, the hammer beat iron cone or wooden stick can make the arm tingle, the test degree of difficulty is big, consequently urgently needs a swing type earth hardness research device of synchronous receipts and release rope, automatic swing type beat test earth hardness.
Disclosure of Invention
In order to overcome the defects that manual beating is time-consuming and labor-consuming, when a test research encounters a stone, a hammer beats an iron cone or a wooden stick to cause arm numbness, and the test difficulty is large, the technical problem to be solved is as follows: the swing type soil hardness research device for testing soil hardness by synchronously retracting and releasing the rope and automatically swinging and hammering is provided.
The technical scheme of the invention is as follows: a swing type soil hardness research device comprises a frame, a contact switch, a first mounting plate, a motor, a cam, a first fixing plate, a swing rod, a hammer head, a hinge, a first spring, a conical rod, a top plate, a first vertical support plate and a long bolt, wherein the right part of the frame is provided with a first opening, the left part of the frame is provided with a first through hole, the right side of the upper part of the frame is provided with the contact switch, the right side of the upper part of the frame is fixedly connected with the first mounting plate, the first mounting plate is provided with the motor, the front side of the motor is fixedly connected with the cam, the right side of the upper part of the frame is fixedly connected with the first fixing plate, the first fixing plate is positioned on the left side of the first mounting plate, the front side of the upper part of the first fixing plate is hinged with the swing rod, the left end of the swing rod is fixedly connected, the top plate is fixedly connected to the upper end of the conical rod, the second through hole is formed in the lower portion of the conical rod, the first vertical supporting plate is fixedly connected to the left side of the lower portion of the frame, the third through hole is formed in the lower portion of the first vertical supporting plate, and the long bolt is inserted into the third through hole and the second through hole.
More preferably, still including first band pulley, the second mounting panel, the reel, wire rope, the second band pulley, the belt, extension board and pulley are erected to the second, the first band pulley of cam front side fixedly connected with, frame upper portion right side fixedly connected with second mounting panel, second mounting panel upper portion rotary type is connected with the reel, around there being wire rope on the reel, reel front side fixedly connected with second band pulley, first band pulley passes through the belt and is connected with the second band pulley, extension board is erected to frame upper portion left side fixedly connected with second, extension board upper portion rotary type is connected with the pulley is erected to the second, wire rope's one end is walked around the pulley and is connected with the roof.
More preferably, the frame upper portion left side fixedly connected with third erects the extension board, the third erects the extension board and is located the conical rod left side, the even symmetry in third erects extension board left side is opened has a plurality of recesses, third erects extension board right side and is equipped with the ruler, third erects extension board upper end fixedly connected with baffle, the cooperation has the sliding sleeve on the third erects the extension board, the sliding sleeve left part is opened has the fourth through-hole, be equipped with the second bolt in the fourth through-hole, second bolt right-hand member is connected with the second spring, the one end of second spring is connected with the fixed head, the second spring is located the fourth through-hole with the fixed head, the fixed head contacts with the recess, sliding sleeve right-hand member fixedly connected with buffer board, buffer board upper portion right side and roof lower part left side contact.
More preferably, the steel wire rope support further comprises a second fixing plate, a fourth vertical support plate and a transverse support plate, the second fixing plate is fixedly connected to the right side of the upper portion of the frame, the fourth vertical support plate is located on the left side of the second fixing plate, the transverse support plate is fixedly connected to the upper end of the fourth vertical support plate, a second opening is formed in the right portion of the transverse support plate, and the steel wire rope penetrates through the second opening.
More preferably, the swing rod fixing device further comprises a fixing device, the fixing device comprises a bearing and a curved rod, the bearing is embedded in the upper portion of the right side of the first fixing plate, the curved rod is arranged in the bearing, and one end of the curved rod is in contact with the swing rod.
When the device is used, firstly, a worker extracts the long bolt, the conical rod falls down to be in contact with the ground, then the contact switch is started, the motor rotates anticlockwise to drive the cam to rotate anticlockwise, when the protruding part of the cam is in contact with the right part of the oscillating rod, the downward end of the right part of the oscillating rod drives the hammer head of the left part to lift upwards, meanwhile, the hinge is closed, the first spring stretches, when the protruding part of the cam is not in contact with the right part of the oscillating rod, the first spring rebounds to drive the hammer head of the left part of the oscillating rod to move downwards, the hammer head moves downwards to knock the top plate, the top plate drives the conical rod to test the hardness of ground soil, meanwhile, the right part of the oscillating rod moves upwards, the hinge opens, when the protruding part of the cam is in contact with the contact switch, the motor rotates clockwise to drive the cam to rotate clockwise to reset, and the motor. Therefore, the function of automatically swinging to test the hardness of the ground soil is achieved.
Because still including first band pulley, the second mounting panel, the reel, wire rope, the second band pulley, the belt, extension board and pulley are erected to the second, the first band pulley of cam front side fixedly connected with, frame upper portion right side fixedly connected with second mounting panel, second mounting panel upper portion rotary type is connected with the reel, around there being wire rope on the reel, reel front side fixedly connected with second band pulley, first band pulley passes through the belt and is connected with the second band pulley, extension board is erected to frame upper portion left side fixedly connected with second, the extension board upper portion rotary type is connected with the pulley is erected to the second, wire rope's one end is walked around the pulley and is connected with the roof. So the cam rotates and drives first band pulley and rotate, first band pulley rotates and drives the second band pulley through the belt and rotates, the second band pulley rotates and drives the reel and rotate, the reel rotates and twines wire rope, when the cam rotates clockwise, wire winding wheel twines wire rope, wire rope walks around the pulley and makes roof upward movement, when the cam anticlockwise rotates, wire winding wheel pair wire rope carries out the unwrapping wire, wire rope walks around the pulley and makes roof downstream, so relapse, thereby, the function of receiving and releasing the rope in step has been reached.
Because still including the third and erecting the extension board, the baffle, the ruler, the sliding sleeve, the second bolt, the second spring, fixed head and buffer board, frame upper portion left side fixedly connected with third erects the extension board, the third erects the extension board and is located the bell rod left side, the even symmetry in third erects extension board left side is opened has a plurality of recesses, third erects extension board right side and is equipped with the ruler, third erects extension board upper end fixedly connected with baffle, the cooperation has the sliding sleeve on the third erects the extension board, the sliding sleeve left part is opened there is the fourth through-hole, be equipped with the second bolt in the fourth through-hole, second bolt right-hand member is connected with the second spring, the one end of second spring is connected with the fixed head, second spring and fixed head are located the fourth through-hole, the fixed head contacts with the recess, sliding sleeve right-hand member fixedly connected. Therefore, the top plate moves downwards to drive the buffer plate to move downwards, the buffer plate moves downwards to drive the sliding sleeve to move downwards, and the sliding sleeve moves downwards to drive the second bolt, the second spring and the fixing head to move downwards in the groove, so that the buffering function is achieved, and meanwhile, the sliding sleeve moves downwards to drive the ruler to play a role in calculating soil hardness testing research.
Because still including second fixed plate, fourth perpendicular extension board and horizontal extension board, frame upper portion right side fixedly connected with second fixed plate, frame upper portion right side fixedly connected with fourth perpendicular extension board, fourth perpendicular extension board is located the second fixed plate left side, and fourth is erected extension board upper end fixedly connected with horizontal extension board, and horizontal extension board right part is opened there is the second opening, and wire rope passes the second opening. Therefore, the second fixing plate, the fourth vertical support plate and the transverse support plate play a role in shielding, and a protection function is achieved when people operate mistakenly.
Because still including fixing device, fixing device has inlayed the bearing including bearing and curved bar, first fixed plate right side upper portion, is equipped with the curved bar in the bearing, and the one end and the swinging arms contact of curved bar. The knee lever functions to secure the rocking lever when not needed for use.
The invention has the functions of synchronously retracting and releasing the rope and automatically swinging to beat to test the soil hardness, realizes the function of calculating the soil hardness by using the ruler, and solves the defects that manual beating is time-consuming and labor-consuming, arms are numb when the hammer is beaten by meeting stones, and the beating difficulty is large.
Drawings
Fig. 1 is a first front view structure diagram of the present invention.
Fig. 2 is a second front view structure diagram of the present invention.
Fig. 3 is a third schematic view of the present invention.
Fig. 4 is a schematic diagram of a fourth front view structure according to the present invention.
Fig. 5 is a schematic front view of the fixing device of the present invention.
In the above drawings: 1 … frame, 2 … first opening, 3 … first through hole, 4 … contact switch, 5 … first mounting plate, 6 … motor, 7 … cam, 8 … first fixing plate, 9 … swing rod, 10 … hammer, 11 … hinge, 12 … first spring, 13 … taper rod, 14 … top plate, 15 … second through hole, 16 … first vertical plate, 17 … third through hole, 18 … long bolt, 20 … first pulley, 21 … second mounting plate, 22 … reel, 23 … cable, 24 … second pulley, 25 … belt, 26 … second vertical plate, 27 … pulley, 28 … third vertical plate, 29 … groove, 30 … ruler, 31 … baffle, 32 …, … sliding sleeve 33 … fourth through hole, 34 … second bolt, 3635 second spring, … fixing plate, 3637 buffer plate, … buffer plate fixing device, … head fixing device, … cross plate, … fixing device, … fixing device, …, 421 … bearing, 422 … bent lever.
Detailed Description
It is to be noted that, in the case of the different described embodiments, identical components are provided with the same reference numerals or the same component names, wherein the disclosure contained in the entire description can be transferred to identical components having the same reference numerals or the same component names in a meaningful manner. The positional references selected in the description, such as upper, lower, lateral, etc., refer also to the directly described and illustrated figures and are to be read into the new position in the sense of a change in position.
Example 1
A swing type soil hardness research device is shown in figures 1-5 and comprises a frame 1, a contact switch 4, a first mounting plate 5, a motor 6, a cam 7, a first fixing plate 8, a swing rod 9, a hammer 10, a hinge 11, a first spring 12, a conical rod 13, a top plate 14, a first vertical support plate 16 and a long bolt 18, wherein the right part of the frame 1 is provided with a first opening 2, the left part of the frame 1 is provided with a first through hole 3, the right side of the first opening 2 is provided with the contact switch 4 in the frame 1, the right side of the upper part of the frame 1 is fixedly connected with the first mounting plate 5, the motor 6 is arranged on the first mounting plate 5, the front side of the motor 6 is fixedly connected with the cam 7, the right side of the upper part of the frame 1 is fixedly connected with a first fixing plate 8, the first fixing plate 8 is positioned on the left side of the first mounting plate 5, the front side of the upper part of, the hinge 11 is connected with the right front side of the swing rod 9, the first spring 12 is connected between the left side of the lower portion of the swing rod 9 and the frame 1, the conical rod 13 is arranged in the first through hole 3, the top plate 14 is fixedly connected to the upper end of the conical rod 13, the second through hole 15 is formed in the lower portion of the conical rod 13, the first vertical supporting plate 16 is fixedly connected to the left side of the lower portion of the frame 1, the third through hole 17 is formed in the lower portion of the first vertical supporting plate 16, and the long bolt 18 is inserted into the third through hole 17 and the second through hole.
Example 2
A swing type soil hardness research device is shown in figures 1-5 and comprises a frame 1, a contact switch 4, a first mounting plate 5, a motor 6, a cam 7, a first fixing plate 8, a swing rod 9, a hammer 10, a hinge 11, a first spring 12, a conical rod 13, a top plate 14, a first vertical support plate 16 and a long bolt 18, wherein the right part of the frame 1 is provided with a first opening 2, the left part of the frame 1 is provided with a first through hole 3, the right side of the first opening 2 is provided with the contact switch 4 in the frame 1, the right side of the upper part of the frame 1 is fixedly connected with the first mounting plate 5, the motor 6 is arranged on the first mounting plate 5, the front side of the motor 6 is fixedly connected with the cam 7, the right side of the upper part of the frame 1 is fixedly connected with a first fixing plate 8, the first fixing plate 8 is positioned on the left side of the first mounting plate 5, the front side of the upper part of, the hinge 11 is connected with the right front side of the swing rod 9, the first spring 12 is connected between the left side of the lower portion of the swing rod 9 and the frame 1, the conical rod 13 is arranged in the first through hole 3, the top plate 14 is fixedly connected to the upper end of the conical rod 13, the second through hole 15 is formed in the lower portion of the conical rod 13, the first vertical supporting plate 16 is fixedly connected to the left side of the lower portion of the frame 1, the third through hole 17 is formed in the lower portion of the first vertical supporting plate 16, and the long bolt 18 is inserted into the third through hole 17 and the second through hole.
Still including first band pulley 20, second mounting panel 21, reel 22, wire rope 23, second band pulley 24, the belt 25, the perpendicular board 26 of support of second and pulley 27, cam 7 front side fixedly connected with first band pulley 20, frame 1 upper portion right side fixedly connected with second mounting panel 21, second mounting panel 21 upper portion rotary type is connected with reel 22, around wire rope 23 on the reel 22, reel 22 front side fixedly connected with second band pulley 24, first band pulley 20 is connected with second band pulley 24 through belt 25, the board 26 is erected to frame 1 upper portion left side fixedly connected with second, the perpendicular board 26 upper portion rotary type of support of second has pulley 27, the pulley 27 is walked around to the one end of wire rope 23 and is connected with roof 14.
Example 3
A swing type soil hardness research device is shown in figures 1-5 and comprises a frame 1, a contact switch 4, a first mounting plate 5, a motor 6, a cam 7, a first fixing plate 8, a swing rod 9, a hammer 10, a hinge 11, a first spring 12, a conical rod 13, a top plate 14, a first vertical support plate 16 and a long bolt 18, wherein the right part of the frame 1 is provided with a first opening 2, the left part of the frame 1 is provided with a first through hole 3, the right side of the first opening 2 is provided with the contact switch 4 in the frame 1, the right side of the upper part of the frame 1 is fixedly connected with the first mounting plate 5, the motor 6 is arranged on the first mounting plate 5, the front side of the motor 6 is fixedly connected with the cam 7, the right side of the upper part of the frame 1 is fixedly connected with a first fixing plate 8, the first fixing plate 8 is positioned on the left side of the first mounting plate 5, the front side of the upper part of, the hinge 11 is connected with the right front side of the swing rod 9, the first spring 12 is connected between the left side of the lower portion of the swing rod 9 and the frame 1, the conical rod 13 is arranged in the first through hole 3, the top plate 14 is fixedly connected to the upper end of the conical rod 13, the second through hole 15 is formed in the lower portion of the conical rod 13, the first vertical supporting plate 16 is fixedly connected to the left side of the lower portion of the frame 1, the third through hole 17 is formed in the lower portion of the first vertical supporting plate 16, and the long bolt 18 is inserted into the third through hole 17 and the second through hole.
Still including first band pulley 20, second mounting panel 21, reel 22, wire rope 23, second band pulley 24, the belt 25, the perpendicular board 26 of support of second and pulley 27, cam 7 front side fixedly connected with first band pulley 20, frame 1 upper portion right side fixedly connected with second mounting panel 21, second mounting panel 21 upper portion rotary type is connected with reel 22, around wire rope 23 on the reel 22, reel 22 front side fixedly connected with second band pulley 24, first band pulley 20 is connected with second band pulley 24 through belt 25, the board 26 is erected to frame 1 upper portion left side fixedly connected with second, the perpendicular board 26 upper portion rotary type of support of second has pulley 27, the pulley 27 is walked around to the one end of wire rope 23 and is connected with roof 14.
Also comprises a third vertical support plate 28, a baffle 31, a ruler 30 and a sliding sleeve 32, the left side of the upper portion of the frame 1 is fixedly connected with a third vertical support plate 28, the third vertical support plate 28 is located on the left side of the conical rod 13, the left side of the third vertical support plate 28 is uniformly and symmetrically provided with a plurality of grooves 29, the right side of the third vertical support plate 28 is provided with a ruler 30, the upper end of the third vertical support plate 28 is fixedly connected with a baffle 31, the third vertical support plate 28 is matched with a sliding sleeve 32, the left portion of the sliding sleeve 32 is provided with a fourth through hole 33, a second bolt 34 is arranged in the fourth through hole 33, the right end of the second bolt 34 is connected with a second spring 35, one end of the second spring 35 is connected with a fixed head 36, the second spring 35 and the fixed head 36 are located in the fourth through hole 33, the fixed head 36 is in contact with the grooves 29, the right end of the sliding sleeve 32 is fixedly connected with a buffer plate 37, and the upper right side of the buffer plate.
Example 4
A swing type soil hardness research device is shown in figures 1-5 and comprises a frame 1, a contact switch 4, a first mounting plate 5, a motor 6, a cam 7, a first fixing plate 8, a swing rod 9, a hammer 10, a hinge 11, a first spring 12, a conical rod 13, a top plate 14, a first vertical support plate 16 and a long bolt 18, wherein the right part of the frame 1 is provided with a first opening 2, the left part of the frame 1 is provided with a first through hole 3, the right side of the first opening 2 is provided with the contact switch 4 in the frame 1, the right side of the upper part of the frame 1 is fixedly connected with the first mounting plate 5, the motor 6 is arranged on the first mounting plate 5, the front side of the motor 6 is fixedly connected with the cam 7, the right side of the upper part of the frame 1 is fixedly connected with a first fixing plate 8, the first fixing plate 8 is positioned on the left side of the first mounting plate 5, the front side of the upper part of, the hinge 11 is connected with the right front side of the swing rod 9, the first spring 12 is connected between the left side of the lower portion of the swing rod 9 and the frame 1, the conical rod 13 is arranged in the first through hole 3, the top plate 14 is fixedly connected to the upper end of the conical rod 13, the second through hole 15 is formed in the lower portion of the conical rod 13, the first vertical supporting plate 16 is fixedly connected to the left side of the lower portion of the frame 1, the third through hole 17 is formed in the lower portion of the first vertical supporting plate 16, and the long bolt 18 is inserted into the third through hole 17 and the second through hole.
Still including first band pulley 20, second mounting panel 21, reel 22, wire rope 23, second band pulley 24, the belt 25, the perpendicular board 26 of support of second and pulley 27, cam 7 front side fixedly connected with first band pulley 20, frame 1 upper portion right side fixedly connected with second mounting panel 21, second mounting panel 21 upper portion rotary type is connected with reel 22, around wire rope 23 on the reel 22, reel 22 front side fixedly connected with second band pulley 24, first band pulley 20 is connected with second band pulley 24 through belt 25, the board 26 is erected to frame 1 upper portion left side fixedly connected with second, the perpendicular board 26 upper portion rotary type of support of second has pulley 27, the pulley 27 is walked around to the one end of wire rope 23 and is connected with roof 14.
Also comprises a third vertical support plate 28, a baffle 31, a ruler 30 and a sliding sleeve 32, the left side of the upper portion of the frame 1 is fixedly connected with a third vertical support plate 28, the third vertical support plate 28 is located on the left side of the conical rod 13, the left side of the third vertical support plate 28 is uniformly and symmetrically provided with a plurality of grooves 29, the right side of the third vertical support plate 28 is provided with a ruler 30, the upper end of the third vertical support plate 28 is fixedly connected with a baffle 31, the third vertical support plate 28 is matched with a sliding sleeve 32, the left portion of the sliding sleeve 32 is provided with a fourth through hole 33, a second bolt 34 is arranged in the fourth through hole 33, the right end of the second bolt 34 is connected with a second spring 35, one end of the second spring 35 is connected with a fixed head 36, the second spring 35 and the fixed head 36 are located in the fourth through hole 33, the fixed head 36 is in contact with the grooves 29, the right end of the sliding sleeve 32 is fixedly connected with a buffer plate 37, and the upper right side of the buffer plate.
The steel wire rope support is characterized by further comprising a second fixing plate 38, a fourth vertical support plate 39 and a transverse support plate 40, the second fixing plate 38 is fixedly connected to the right side of the upper portion of the frame 1, the fourth vertical support plate 39 is located on the left side of the second fixing plate 38, the transverse support plate 40 is fixedly connected to the upper end of the fourth vertical support plate 39, a second opening 41 is formed in the right portion of the transverse support plate 40, and the steel wire rope 23 penetrates through.
The fixing device 42 is further included, the fixing device 42 includes a bearing 421 and a curved rod 422, the bearing 421 is embedded at the upper portion of the right side of the first fixing plate 8, the curved rod 422 is arranged in the bearing 421, and one end of the curved rod 422 is in contact with the swinging rod 9.
When the tester is used, firstly, a worker pulls out the long bolt 18 to enable the conical rod 13 to fall down to be in contact with the ground, then the contact switch 4 is started to enable the motor 6 to rotate anticlockwise to drive the cam 7 to rotate anticlockwise, when the protruding part of the cam 7 is in contact with the right part of the oscillating rod 9, the downward end of the right part of the oscillating rod 9 drives the hammer 10 of the left part to lift upwards, meanwhile, the hinge 11 is closed, the first spring 12 stretches, when the protruding part of the cam 7 is not in contact with the right part of the oscillating rod 9, the first spring 12 rebounds to drive the hammer 10 of the left part of the oscillating rod 9 to move downwards, the hammer 10 moves downwards to knock the top plate 14, the top plate 14 drives the conical rod 13 to test the hardness of ground soil, meanwhile, the right part of the oscillating rod 9 moves upwards, the hinge 11 opens, when the protruding part of the cam 7 is in contact with the contact switch 4, the motor 6 rotates clockwise to drive the cam 7 to reset, while the motor 6 is switched off. Therefore, the function of automatically swinging to test the hardness of the ground soil is achieved.
Because still including first band pulley 20, second mounting panel 21, reel 22, wire rope 23, second band pulley 24, the belt 25, the perpendicular board 26 of second and pulley 27, cam 7 front side fixedly connected with first band pulley 20, frame 1 upper portion right side fixedly connected with second mounting panel 21, second mounting panel 21 upper portion rotary type is connected with reel 22, wire rope 23 has been around on the reel 22, reel 22 front side fixedly connected with second band pulley 24, first band pulley 20 is connected with second band pulley 24 through belt 25, frame 1 upper portion left side fixedly connected with second erects the board 26, the perpendicular board 26 upper portion rotary type of second is connected with pulley 27, the pulley 27 is walked around to the one end of wire rope 23 and is connected with roof 14. Therefore, the cam 7 rotates to drive the first belt wheel 20 to rotate, the first belt wheel 20 rotates to drive the second belt wheel 24 to rotate through the belt 25, the second belt wheel 24 rotates to drive the winding wheel 22 to rotate, the winding wheel 22 rotates to wind and pay off the steel wire rope 23, when the cam 7 rotates clockwise, the winding wheel 22 winds the steel wire rope 23, the steel wire rope 23 bypasses the pulley 27 to enable the top plate 14 to move upwards, when the cam 7 rotates anticlockwise, the winding wheel 22 pays off the steel wire rope 23, the steel wire rope 23 bypasses the pulley 27 to enable the top plate 14 to move downwards, and the operations are repeated, so that the function of synchronously winding and paying off the rope is achieved.
Because the utility model also comprises a third vertical support plate 28, a baffle 31, a ruler 30 and a sliding sleeve 32, the left side of the upper portion of the frame 1 is fixedly connected with a third vertical support plate 28, the third vertical support plate 28 is located on the left side of the conical rod 13, the left side of the third vertical support plate 28 is uniformly and symmetrically provided with a plurality of grooves 29, the right side of the third vertical support plate 28 is provided with a ruler 30, the upper end of the third vertical support plate 28 is fixedly connected with a baffle 31, the third vertical support plate 28 is matched with a sliding sleeve 32, the left portion of the sliding sleeve 32 is provided with a fourth through hole 33, a second bolt 34 is arranged in the fourth through hole 33, the right end of the second bolt 34 is connected with a second spring 35, one end of the second spring 35 is connected with a fixed head 36, the second spring 35 and the fixed head 36 are located in the fourth through hole 33, the fixed head 36 is in contact with the grooves 29, the right end of the sliding sleeve 32 is fixedly connected with a buffer plate 37, and the upper right side of the buffer plate. Therefore, the top plate 14 moves downwards to drive the buffer plate 37 to move downwards, the buffer plate 37 moves downwards to drive the sliding sleeve 32 to move downwards, and the sliding sleeve 32 moves downwards to drive the second bolt 34, the second spring 35 and the fixing head 36 to move downwards in the groove 29, so that the buffering function is achieved, and meanwhile, the sliding sleeve 32 moves downwards to move the ruler 30 to achieve the effect of researching the soil hardness calculation test.
Because the steel wire rope support further comprises a second fixing plate 38, a fourth vertical support plate 39 and a transverse support plate 40, the second fixing plate 38 is fixedly connected to the right side of the upper portion of the frame 1, the fourth vertical support plate 39 is located on the left side of the second fixing plate 38, the transverse support plate 40 is fixedly connected to the upper end of the fourth vertical support plate 39, a second opening 41 is formed in the right portion of the transverse support plate 40, and the steel wire rope 23 penetrates through the second opening. The second fixing plate 38, the fourth vertical support plate 39 and the transverse support plate 40 have a shielding effect, so that a protection function is realized when people operate mistakenly.
Because the fixing device 42 is further included, the fixing device 42 includes a bearing 421 and a curved rod 422, the bearing 421 is embedded in the upper portion of the right side of the first fixing plate 8, the curved rod 422 is arranged in the bearing 421, and one end of the curved rod 422 is in contact with the swing rod 9. The curved lever 422 functions to fix the swing lever 9 when not needed for use.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.