Precision measuring device for prefabricated member pouring construction

Abstract

The invention relates to the technical field of prefabricated member pouring construction, in particular to a precision measuring device for prefabricated member pouring construction, which comprises a rectangular frame structure consisting of longitudinal rods and transverse rods, a guide rail sliding block assembly I, a sliding beam and a plurality of marking assemblies, the marking assembly is provided with a concave nozzle and a convex nozzle, the concave nozzle is communicated with the oil tank assembly through a concave marking valve, and the convex nozzle is communicated with the oil tank assembly through a convex marking valve; a concave part detection assembly and a convex part detection assembly are arranged on the side face, close to the U-shaped plate, of the fixing sleeve. The number and the positions of the convex parts and the concave parts on the surface of the prefabricated part can be conveniently and intuitively observed, the number of the concave parts or the convex parts can be counted and recorded, and the flatness quality of the surface of the prefabricated part can be conveniently and integrally evaluated.

Description

Technical Field

[0001] The invention relates to the technical field of prefabricated part casting construction, in particular to a precision measuring device for prefabricated part casting construction. Background Art

[0002] At present, in the construction industry, precast concrete parts, also known as PC components, are widely used in the fields of construction, transportation, water conservancy, etc., such as precast floor slabs, precast stairs or precast steel structure foundations, etc. The structural performance of precast concrete parts needs to meet the testing standards, such as horizontality, verticality or strength.

[0003] When producing small precast concrete parts, the concrete raw materials are usually first placed in the mold, and then smoothed and dried. The smoothing quality will directly affect the flatness of the precast concrete parts after molding. The surface flatness of precast concrete parts is an important indicator of the quality of precast concrete parts. The surface flatness of precast concrete parts not only affects the appearance of the building, but also affects the stability of other building materials paved on the surface of precast concrete parts.

[0004] Flatness detection is usually carried out with a ruler, but the ruler detection is not intuitive enough and can only detect a few points, which is not comprehensive enough.

[0005] Therefore, a precision measuring device for prefabricated component casting construction is needed to solve the above technical problems. Summary of the invention

[0006] The purpose of the present invention is to solve the above-mentioned problem and to provide a precision measuring device for prefabricated part casting construction, which can intuitively observe the points where the flatness exceeds the range and can also evaluate the overall flatness.

[0007] Provided is a precision measuring device for casting construction of prefabricated parts, comprising two parallel horizontal bars and two parallel vertical bars, the vertical bars and the horizontal bars forming a rectangular frame structure, two positioning pins being arranged on each horizontal bar, a guide rail slider assembly 1 being arranged on the upper side of the two vertical bars, a sliding beam being fixedly arranged on the guide rail slider assembly 1, and a plurality of marking assemblies being evenly arranged on the sliding beam; The marking assembly includes a fixing sleeve sleeved on the sliding beam, a locking bolt is arranged on the side of the fixing sleeve, two symmetrically arranged fixing plates are arranged on the side of the fixing sleeve away from the locking bolt, a guide rail slider assembly 2 is arranged on the side close to each other of the two fixing plates, a U-shaped plate is fixedly connected to the side close to each other of the two guide rail slider assemblies 2, and a limit plate fixed on the U-shaped plate is arranged at both upper and lower ends of the two guide rail slider assemblies 2, and the lower end of the U-shaped plate is rotatably connected to two wheels; A concave nozzle and a convex nozzle are arranged at the lower end of the U-shaped plate, the concave nozzle is connected to the oil tank assembly through a concave marking valve, and the convex nozzle is connected to the oil tank assembly through a convex marking valve; A concave detection component and a convex detection component are arranged on the side of the fixing sleeve close to the U-shaped plate.

[0008] Further, the concave marking valve includes a valve body, the valve body bolts are connected to the waist-shaped through hole on the inner side wall of the U-shaped plate, a valve body cavity is horizontally arranged in the valve body, the left end of the valve body cavity is sealed by an end cover bolt 2, the right end of the end cover bolt 2 abuts against the valve body spring, the right end of the valve body spring abuts against the valve core, the valve core passes through an end cover bolt 1 connected to the right end of the valve body cavity and is connected to a contact head 1, and an extrusion slope 1 is arranged on the lower side of the contact head; The internal structure of the convex mark valve is the same as that of the concave mark valve. A second contact head is arranged at the right end of the valve core of the convex mark valve, and a second extrusion slope is arranged on the upper side of the second contact head. A guide plate is arranged on the side surfaces of the contact head 1 and the contact head 2, and the guide plate is bolted to the U-shaped plate; The fixing sleeve is bolted to an extrusion block, which is arranged between the first extrusion slope and the second extrusion slope, and the extrusion block is coplanar with the first contact head and the second contact head in a vertical plane; An oil inlet is arranged on the upper side of the valve body, and an oil outlet is arranged on the lower side of the valve body. The oil inlet and the oil outlet are connected to each other, and a valve core is slidably arranged between the oil inlet and the oil outlet. An oil groove communicated with the oil outlet is arranged at the lower side of the valve body cavity.

[0009] Furthermore, the oil inlet of the concave marking valve and the oil inlet of the convex marking valve are both connected to the oil tank assembly through the second oil outlet pipe, the oil outlet of the concave marking valve is connected to the first oil delivery pipe, and the other end of the first oil delivery pipe is connected to the concave nozzle; The oil outlet of the convex marking valve is communicated with the convex nozzle through the second oil delivery pipe, and the convex nozzle and the concave nozzle are vertically arranged.

[0010] Furthermore, the recessed part detection assembly includes a housing, the housing is fixedly connected to the side of the fixed sleeve through a connecting piece, the lower end of the housing is threadedly connected to the liquid collecting bottle, and a scale is arranged on the outer side of the liquid collecting bottle; The upper end of the housing is threadedly connected to a limit end plate, and a second telescopic rod is slidably inserted into the limit end plate, and the cross section of the second telescopic rod is a rectangle; A sliding shaft portion is provided at the lower end of the telescopic rod 2, one end of the sliding shaft portion away from the telescopic rod 2 is threadedly connected to the cylinder, the other end of the cylinder is threadedly connected to the plug, the upper end of the plug abuts against the small piston disc, and a spring 2 is provided between the small piston disc and the sliding shaft portion; An annular groove is arranged at one end of the plug abutting against the small piston disc, a waist-shaped oil inlet groove is arranged on the cylinder barrel outside the annular groove, and an oil inlet channel is arranged on the outer shell outside the waist-shaped oil inlet groove.

[0011] Furthermore, a shoulder ring is arranged on the outer side of the sliding shaft, the lower side of the shoulder ring abuts against the spring 1, and the other end of the spring 1 abuts against the shoulder of the housing; The outer diameters of the sliding shaft portion and the cylinder are the same, and the inner diameter of the portion where the housing contacts the cylinder is the same as the outer diameters of the sliding shaft portion and the cylinder.

[0012] The upper end of the second telescopic rod is fixedly connected to the second driving plate, the upper side of the second driving plate abuts against the driving rod, and the driving rod is fixedly arranged on the U-shaped plate.

[0013] Furthermore, the internal structures of the convex detection component and the concave detection component are the same. The upper end side of the telescopic rod of the convex detection component is fixedly connected to the shaft rod, the shaft rod is inserted into the sliding groove of the end plate of the flip plate, the middle part of the flip plate is rotatably connected to the fixed seat, the fixed seat is slidably connected to the sliding rod, a driving plate 1 is fixedly set on the upper end side of the sliding rod, the driving plate 1 is adjacent to the upper side of the driving rod, and a round rod is fixedly set on the side of the sliding rod, the round rod is inserted in the sliding groove of the end of the flip plate away from the shaft rod.

[0014] Further, the oil tank assembly includes a fixed plate, the fixed plate is bolted to the upper side of the fixed sleeve, the side of the fixed plate is bolted to the oil cylinder sleeve, the other end of the oil cylinder sleeve is bolted to the end plate, a refueling pipe is arranged on the upper side of the end plate, and the end of the refueling pipe is threadedly connected to the refueling cap; An oil outlet cavity is arranged at the lower side of the end plate, and the outer side of the oil outlet cavity is connected to oil outlet pipe 1 and oil outlet pipe 2. A shut-off valve is arranged on oil outlet pipe 1, and the other end of oil outlet pipe 1 is connected to the oil inlet channels of the concave detection component and the convex detection component through a tee pipe.

[0015] A large piston disc is slidably arranged in the cylinder sleeve, a sealing ring is sleeved on the outer side of the large piston disc, a side of the large piston disc away from the end disc is rotatably connected to a pull rod, a limit strip is arranged on the side of the pull rod, the pull rod and the limit strip both pass through the fixed disc, and a spring three is arranged between the large piston disc and the fixed disc.

[0016] Furthermore, the positioning assembly includes a positioning rod, the positioning rod is slidably inserted into the U-shaped plate, and one end of the positioning rod away from the fixing sleeve is slidably connected to the waist-shaped groove of the unlocking rod; A baffle is fixedly arranged at the other end of the positioning rod, a spring four is arranged between the baffle and the U-shaped plate, the end of the positioning rod where the baffle is located is inserted into the positioning hole of the positioning plate, and the positioning plate is fixedly arranged on the side of the fixing sleeve.

[0017] The beneficial effects of the present invention are as follows: through the arrangement of the concave nozzle and the convex nozzle, the concave or convex parts beyond the range can be marked, so that the number and position of the convex parts and the concave parts can be observed intuitively.

[0018] By setting the concave part detection component and the convex part detection component, the number of concave parts or convex parts can be statistically recorded, which is convenient for overall evaluation of the flatness quality of the prefabricated part surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the following detailed description of the preferred embodiment.The drawings are only for the purpose of illustrating the preferred embodiments and are not to be construed as limiting the invention.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the back of the whole invention; Figure 2 For the present invention Figure 1 Schematic diagram of the structure at A in the middle; Figure 3 This is a schematic diagram of the structure of the marking component of the present invention; Figure 4 It is a structural schematic diagram of the fixing sleeve of the marking assembly of the present invention in a hidden state; Figure 5 This is a schematic diagram of the structure of the marking assembly of the present invention in a local explosion state; Figure 6 This is a schematic diagram of another partial explosion state structure of the marking assembly of the present invention; Figure 7 It is a schematic cross-sectional structure diagram of the concave marking valve of the present invention; Figure 8 This is a schematic diagram of the structure of the convex marking valve of the present invention; Fig. 9 It is a partial structural schematic diagram of the convex part detection component and the concave part detection component of the present invention; Fig.10 It is a schematic diagram of the cross-sectional structure of the recessed portion detection assembly of the present invention; Fig.11 This is a schematic diagram of the structure of the concave detection assembly of the present invention in an explosion state; Fig.12 This is a schematic diagram of the structure of the fuel tank assembly of the present invention in an exploded state; Fig.13 It is a schematic diagram of the structure of the positioning component of the present invention.

[0021] Reference numerals: 11 crossbar, 12 longitudinal bar, 13 positioning pin, 14 guide rail slider assembly 1, 15 sliding beam; 2 marking assembly, 21 fixing sleeve, 211 fixing plate, 22 locking bolt, 23 U-shaped plate, 231 guide rail slider assembly II, 232 limiting plate; 24 wheel, 25 driving rod, 26 extrusion block, 27 guide plate; 3 oil tank assembly, 31 oil outlet pipe 1, 311 shut-off valve, 312 tee pipe, 32 oil outlet pipe 2, 33 end plate, 331 oil outlet chamber, 332 refueling pipe, 333 refueling cap, 34 large piston plate, 341 sealing ring, 35 spring 3, pull rod 36, 361 limit strip, 37 fixed plate, 38 cylinder sleeve; 4 positioning assembly, 41 positioning rod, 411 blocking plate, 42 spring four, 43 positioning plate, 431 positioning hole, 44 unlocking rod, 441 waist groove; 5 convex part detection assembly, 51 telescopic rod one, 511 shaft rod, 512 flip plate, 513 fixed seat, 514 sliding rod, 515 driving plate one; 6 recessed part detection assembly, 61 telescopic rod 2, 611 driving plate 2, 612 sliding shaft part, 62 housing, 621 oil inlet channel, 622 limit end plate, 63 spring 1, 64 cylinder, 641 waist-shaped oil inlet groove, 65 plug, 651 ring groove, 66 small piston disc, 67 spring 2, 68 liquid collecting bottle, 681 scale; 7 concave marking valve, 71 oil delivery pipe 1, 72 concave nozzle, 73 contact head 1, 731 extrusion slope 1, 74 valve body, 741 oil inlet, 742 oil outlet, 743 valve body cavity, 744 oil groove, 75 end cover bolt 1, 76 end cover bolt 2, 77 valve body spring, valve core 78; 8 convex marking valve, 81 oil delivery pipe 2, 82 convex nozzle, 83 contact head 2, 831 extrusion slope 2. DETAILED DESCRIPTION

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings. Figure 1-Figure 13 As shown, a precision measuring device for prefabricated part casting construction comprises two parallel transverse bars 11 and two parallel longitudinal bars 12. The longitudinal bars 12 and the transverse bars 11 form a rectangular frame structure. Two positioning pins 13 are arranged on each transverse bar 11. A guide rail slider assembly 14 is arranged on the upper side of the two longitudinal bars 12. A sliding beam 15 is fixedly arranged on the guide rail slider assembly 14. A plurality of marking components 2 are evenly arranged on the sliding beam 15. The position of the rectangular frame is adjusted by the positioning pins 13 so that the rectangular frame is parallel to the surface of the prefabricated part to be inspected. Then, the sliding beam 15 is pushed to move along the guide rail slider assembly 14. During the movement of the sliding beam 15, the marking component 2 marks and detects the flatness of the surface of the prefabricated part.

[0023] The marking assembly 2 includes a fixing sleeve 21 sleeved on the sliding beam 15, a locking bolt 22 is arranged on the side of the fixing sleeve 21, and the locking bolt 22 is used to fix the fixing sleeve 21 on the sliding beam 15. Two symmetrically arranged fixing plates 211 are arranged on the side of the fixing sleeve 21 away from the locking bolt 22, and the two fixing plates 211 are arranged on the side close to each other. The two guide rail slider assemblies 231 are fixedly connected to the U-shaped plate 23 on the side close to each other, and the upper and lower ends of the two guide rail slider assemblies 231 are arranged with limit plates 232 fixed on the U-shaped plate 23, and the lower end of the U-shaped plate 23 is rotatably connected to two wheels 24. When the sliding beam 15 moves along the guide rail slider assembly 14, the lower end of the fixing sleeve 21 will rotate on the surface of the prefabricated part on the wheel 24, and the concave and convex parts on the surface of the prefabricated part drive the U-shaped plate 23 to move up and down through the wheel 24.

[0024] See also Figure 5 and Figure 6 A concave nozzle 72 and a convex nozzle 82 are provided at the lower end of the U-shaped plate 23. The concave nozzle 72 is connected to the oil tank assembly 3 through the concave marking valve 7, and the convex nozzle 82 is connected to the oil tank assembly 3 through the convex marking valve 8; in the process of the U-shaped plate 23 moving up and down, when the distance moved downward by the U-shaped plate 23 exceeds the range of the flatness setting, for example, 8mm, the concave nozzle 72 will spray red liquid on the surface of the preform, thereby marking unqualified concave parts, which is convenient for subsequent observation of the position and number of the concave parts; when the distance moved upward by the U-shaped plate 23 exceeds the range of the flatness setting, the convex nozzle 82 will spray red liquid on the surface of the preform, thereby marking unqualified convex parts, which is convenient for subsequent observation of the number and position of the convex parts.

[0025] The side of the fixing sleeve 21 close to the U-shaped plate 23 is provided with a concave detection assembly 6 and a convex detection assembly 5. The concave detection assembly 6 is used to detect and record the total number of concave parts on the surface of the preform, and the convex detection assembly 5 is used to record the total number of convex parts on the surface of the preform.

[0026] For further information, see Figure 7 and Figure 8 The concave marking valve 7 includes a valve body 74, which is bolted to the waist-shaped through hole on the inner side wall of the U-shaped plate 23. The waist-shaped through hole is vertically arranged to adjust the position of the concave marking valve 7 in the vertical direction of the U-shaped plate 23. A valve body cavity 743 is horizontally arranged in the valve body 74, and the left end of the valve body cavity 743 is sealed by an end cover bolt 76. The right end of the end cover bolt 76 abuts against a valve body spring 77, and the right end of the valve body spring 77 abuts against a valve core 78. The valve core 78 penetrates an end cover bolt 75 connected to the right end of the valve body cavity 743 and is connected to a contact head 73. An extrusion slope 731 is arranged on the lower side of the contact head 73. The internal structure of the convex marking valve 8 is the same as that of the concave marking valve 7. A second contact head 83 is provided at the right end of the valve core of the convex marking valve 8, and a second extrusion slope 831 is provided on the upper side of the second contact head 83. See also Figure 6 The contact head 1 73 and the contact head 2 83 are contacted by a guide plate 27 on their sides. The guide plate 27 is bolted to the U-shaped plate 23. The guide plate 27 is contacted with the contact head 1 73 and the contact head 2 83 to limit the contact head 1 73 and the contact head 2 83 and prevent the contact head 1 73 and the contact head 2 83 from turning over. The fixing sleeve 21 is bolted to the extrusion block 26, which is arranged between the extrusion slope 1 731 and the extrusion slope 2 831. The extrusion block 26 is coplanar with the contact head 1 73 and the contact head 2 83 in the vertical plane. When the U-shaped plate 23 moves up and down, it drives the contact head 1 73 and the contact head 2 83 to move up and down. When the moving distance of the U-shaped plate 23 exceeds the tolerance range of flatness, the extrusion block 26 squeezes the contact head 1 73 or the contact head 2 83, thereby driving the valve core 78 to squeeze the valve body spring 77 to move to the left, opening the recessed marking valve 7 or the convex marking valve 8.

[0027] An oil inlet 741 is provided on the upper side of the valve body 74, and an oil outlet 742 is provided on the lower side of the valve body 74. The oil inlet 741 and the oil outlet 742 are connected to each other. A valve core 78 is slidably provided between the oil inlet 741 and the oil outlet 742. The oil inlet 741 and the oil outlet 742 are connected or disconnected by the movement of the valve core 78. An oil groove 744 connected to the oil outlet 742 is set on the lower side of the valve body cavity 743. By setting the oil groove 744, when the valve core 78 moves toward the end cover bolt 76, the red liquid in the valve body cavity 743 will enter the oil outlet 742 through the oil groove 744, thereby discharging the red liquid between the valve body cavity 743 and the valve core 78, thereby facilitating the normal movement of the valve core 78.

[0028] For further information, see Figure 5 The oil inlet 741 of the concave marking valve 7 and the oil inlet of the convex marking valve 8 are both connected to the oil tank assembly 3 through the oil outlet pipe 2 32, the oil outlet 742 of the concave marking valve 7 is connected to the oil delivery pipe 1 71, and the other end of the oil delivery pipe 1 71 is connected to the concave nozzle 72; The oil outlet of the convex marking valve 8 is connected to the convex nozzle 82 through the second oil delivery pipe 81, and the convex nozzle 82 and the concave nozzle 72 are vertically arranged.

[0029] During operation, when the contact head 283 of the convex marking valve 8 moves under the push of the extrusion block 26, the convex marking valve 8 opens. At this time, the red liquid in the oil tank assembly 3 can enter the convex marking valve 8 through the oil outlet pipe 232, and then enter the convex nozzle 82 through the oil delivery pipe 281, and is sprayed onto the surface of the preform through the convex nozzle 82 to form a mark; when the contact head 173 of the concave marking valve 7 is squeezed and moved by the extrusion block 26, the concave marking valve 7 opens, and the red liquid in the oil tank assembly 3 enters the concave marking valve 7 through the oil outlet pipe 232, and then enters the concave nozzle 72 through the oil delivery pipe 171, and the red liquid is sprayed onto the surface of the preform through the concave nozzle 72, thereby marking the concave part of the preform that is out of range. Since the concave nozzle 72 and the convex nozzle 82 are perpendicular to each other, the shapes of the marks sprayed are different, so that the concave and convex parts can be distinguished.

[0030] For further information, see Figure 9-11 The recess detection assembly 6 includes a shell 62, which is fixedly connected to the side of the fixed sleeve 21 through a connecting piece. The lower end of the shell 62 is threadedly connected to the liquid collecting bottle 68. A scale 681 is set on the outer side of the liquid collecting bottle 68. The scale 681 can be used to directly read the amount of red liquid in the liquid collecting bottle 68, thereby calculating the number of recesses on the surface of the preform.

[0031] The upper end of the housing 62 is threadedly connected to the limiting end plate 622, and the limiting end plate 622 slides and inserts the telescopic rod 61. The cross section of the telescopic rod 61 is rectangular. By setting the cross section of the telescopic rod 61 to be rectangular, the telescopic rod 61 and the limiting end plate 622 can be relatively rotated, thereby controlling the rotation of the telescopic rod 61. A sliding shaft portion 612 is provided at the lower end of the second telescopic rod 61, one end of the sliding shaft portion 612 away from the second telescopic rod 61 is threadedly connected to the cylinder 64, the other end of the cylinder 64 is threadedly connected to the plug 65, the upper end of the plug 65 abuts against the small piston disc 66, and a second spring 67 is provided between the small piston disc 66 and the sliding shaft portion 612; An annular groove 651 is provided at one end of the plug 65 abutting against the small piston disc 66, a waist-shaped oil inlet groove 641 is provided on the cylinder barrel 64 outside the annular groove 651, and an oil inlet channel 621 is provided on the housing 62 outside the waist-shaped oil inlet groove 641; The red liquid can enter the waist-shaped oil inlet groove 641 through the oil inlet channel 621, and then enter the annular groove 651 at the upper end of the plug 65 from the waist-shaped oil inlet groove 641, so that the red liquid pushes the lower piston disk 66 to move upward. When the small piston disk 66 moves upward into place, the amount of red liquid in the cylinder 64 has a fixed value.

[0032] Furthermore, a shoulder ring is provided on the outer side of the sliding shaft portion 612, and the lower side of the shoulder ring abuts against a spring 63, and the other end of the spring 63 abuts against a shoulder of the outer shell 62. Through the thrust of the spring 63, the sliding shaft portion 612 can be kept at the uppermost end of the outer shell 62, thereby keeping the positions of the sliding shaft portion 612 and the cylinder 64 stable.

[0033] The outer diameters of the sliding shaft portion 612 and the cylinder barrel 64 are the same, and the inner diameter of the portion where the outer shell 62 contacts the cylinder barrel 64 is the same as the outer diameters of the sliding shaft portion 612 and the cylinder barrel 64; when the sliding shaft portion 612 and the cylinder barrel 64 move downward, the sliding shaft portion 612 and the cylinder barrel 64 can close the oil inlet channel 621 of the outer shell 62, so that the red liquid in the oil inlet channel 621 no longer flows.

[0034] The upper end of the second telescopic rod 61 is fixedly connected to the second driving plate 611, and the upper side of the second driving plate 611 abuts against the driving rod 25, and the driving rod 25 is fixedly arranged on the U-shaped plate 23; During operation, when the U-shaped plate 23 is not in the recessed part of the preform surface, the driving rod 25 is on the upper side of the driving plate 2 611. The driving rod 25 does not squeeze the driving plate 2 611. Due to the thrust of the spring 1 63, the sliding shaft 612 and the cylinder 64 are at the uppermost end of the outer shell 62. At this time, the red liquid in the oil inlet channel 621 passes through the waist-shaped oil inlet groove 641 and the annular groove 651 in turn and enters the cylinder 64. The red liquid pushes the small piston disc 66 to the uppermost end of the cylinder 64. At this time, a certain amount of red liquid is contained in the cylinder 64.

[0035] When the U-shaped plate 23 enters the recess, the U-shaped plate 23 drives the driving rod 25 to move downward, and the driving rod 25 squeezes the driving plate 2 611, thereby driving the telescopic rod 2 61, the sliding shaft portion 612 and the cylinder 64 to move downward. At this time, the waist-shaped oil inlet groove 641 moves downward and is no longer connected to the oil inlet channel 621. The oil inlet channel 621 is blocked by the cylinder 64 or the sliding shaft portion 612, and the red liquid in the oil inlet channel 621 no longer flows.

[0036] The waist-shaped oil inlet groove 641 moves downward and enters into the liquid collecting bottle 68. At this time, the small piston disc 66 moves downward driven by the spring 2 67. The small piston disc 66 squeezes the red liquid in the cylinder 64. The red liquid enters into the liquid collecting bottle 68 through the waist-shaped oil inlet groove 641, thereby realizing the transfer of the red liquid.

[0037] When the U-shaped plate 23 is in the same recess, the waist-shaped oil inlet groove 641 is always at the lower end of the oil inlet channel 621 , and at this time, the red liquid is collected in the liquid collecting bottle 68 once.

[0038] Until the U-shaped plate 23 is separated from the recess, the U-shaped plate 23 drives the driving rod 25 to return to the original position height. At this time, the driving rod 25 no longer squeezes the driving plate 2 611. Under the action of the spring 1 63, the sliding shaft 612 and the cylinder 64 return to the uppermost end of the outer shell 62. At this time, the waist-shaped oil inlet groove 641 is connected to the oil inlet channel 621 again. At this time, the red liquid enters the cylinder 64 through the waist-shaped oil inlet groove 641 again, and pushes the small piston disk 66 to move upward. The red liquid fills the cylinder 64, preparing for the next time the U-shaped plate 23 enters the recess.

[0039] From the above, it can be seen that the U-shaped plate 23 enters the recess once, and the red liquid in the cylinder 64 is transferred to the liquid collecting bottle 68 only once, until the U-shaped plate 23 returns to the original height and enters the next recess. At this time, the cylinder 64 transfers the red liquid to the liquid collecting bottle 68 again, that is, the number of times the cylinder 64 transfers the red liquid to the liquid collecting bottle 68 is the same as the number of recesses passed by the U-shaped plate 23. In this way, the amount of red liquid in the liquid collecting bottle 68 can be divided by the amount of red liquid that can be loaded in the cylinder 64 each time, and the number of recesses on the surface of the preform can be obtained, thereby judging the flatness of the preform as a whole.

[0040] For further information, see Fig. 9 The internal structures of the convex detection component 5 and the concave detection component 6 are the same. The upper end side of the telescopic rod 51 of the convex detection component 5 is fixedly connected to the shaft rod 511, and the shaft rod 511 is inserted into the sliding groove of the end plate of the flip plate 512. The middle part of the flip plate 512 is rotatably connected to the fixed seat 513, and the fixed seat 513 is slidably connected to the slide rod 514. The upper end side of the slide rod 514 is fixedly provided with a driving plate 515, and the driving plate 515 is adjacent to the upper side of the driving rod 25. A round rod is fixedly provided on the side of the slide rod 514, and the round rod is inserted in the sliding groove of the flip plate 512 away from the end of the shaft rod 511.

[0041] When the driving rod 25 is driven to move upward by the U-shaped plate 23, the driving rod 25 presses the driving plate 1 515 upward, and the driving plate 1 515 drives the sliding rod 514 to move upward. The sliding rod 514 drives the flip plate 512 to flip through the round rod, and the other end of the flip plate 512 drives the shaft rod 511 and the telescopic rod 1 51 to move downward, thereby converting the upward movement of the driving rod 25 into the downward movement of the telescopic rod 1 51.

[0042] For further information, see Fig.12 The oil tank assembly 3 includes a fixed plate 37, which is bolted to the upper side of the fixed sleeve 21. The side of the fixed plate 37 is bolted to the cylinder sleeve 38. The other end of the cylinder sleeve 38 is bolted to the end plate 33. A refueling pipe 332 is arranged on the upper side of the end plate 33. The end of the refueling pipe 332 is threadedly connected to the refueling cap 333. The refueling pipe 332 can be sealed by the refueling cap 333, thereby maintaining the pressure of the red liquid in the cylinder sleeve 38.

[0043] An oil outlet cavity 331 is provided at the lower side of the end plate 33, and the outer side of the oil outlet cavity 331 is connected to the oil outlet pipe 1 31 and the oil outlet pipe 2 32. A shut-off valve 311 is provided on the oil outlet pipe 1 31, and the other end of the oil outlet pipe 1 31 is connected to the oil inlet channel 621 of the recessed detection component 6 and the convex detection component 5 through a three-way pipe 312.

[0044] A large piston disc 34 is slidably arranged in the oil cylinder sleeve 38, a sealing ring 341 is sleeved on the outer side of the large piston disc 34, a side of the large piston disc 34 away from the end disc 33 is rotatably connected to a pull rod 36, a limit strip 361 is arranged on the side of the pull rod 36, the pull rod 36 and the limit strip 361 both penetrate the fixed disc 37, a spring 35 is arranged between the large piston disc 34 and the fixed disc 37; When adding red oil, pull the pull rod 36 to drive the large piston disc 34 to move toward the fixed disc 37, and then rotate the pull rod 36, which drives the limit bar 361 to move, and the limit bar 361 abuts against the outside of the fixed disc 37. At this time, the pull rod 36 and the large piston disc 34 are limited and no longer move. A cavity is formed between the large piston disc 34 and the end disc 33. Unscrew the refueling cap 333, and add red liquid through the refueling pipe 332. After adding, rotate the pull rod 36 so that the limit bar 361 no longer abuts against the outside of the fixed disc 37. At this time, the large piston disc 34 is no longer limited, and under the push of spring three 35, it moves toward the end disc 33, thereby keeping the red liquid in the cylinder sleeve 38 in a high-pressure state.

[0045] The elastic force of spring three 35 is greater than the elastic force of spring two 67 , so that the red liquid in the cylinder sleeve 38 can smoothly enter the cylinder barrel 64 .

[0046] For further information, see Fig.13 The positioning assembly 4 includes a positioning rod 41, which is slidably inserted into the U-shaped plate 23, and one end of the positioning rod 41 away from the fixing sleeve 21 is slidably connected to the waist groove 441 of the unlocking rod 44; A baffle 411 is fixedly disposed at the other end of the positioning rod 41, a spring 42 is disposed between the baffle 411 and the U-shaped plate 23, the end of the positioning rod 41 where the baffle 411 is located is inserted into the positioning hole 431 of the positioning plate 43, and the positioning plate 43 is fixedly disposed on the side of the fixing sleeve 21.

[0047] The positioning rod 41 is pushed by the spring 42 to be inserted into the positioning hole 431 of the positioning plate 43. At this time, the fixing sleeve 21 and the U-shaped plate 23 are relatively positioned, and the U-shaped plate 23 no longer moves relative to the fixing sleeve 21; See also Figure 4When the fixing sleeve 21 and the U-shaped plate 23 are relatively positioned, the unlocking rod 44 is also inserted in the U-shaped plate 23. When the fixing sleeve 21 and the U-shaped plate 23 need to be released from relative positioning, only the unlocking rod 44 needs to be pulled. The unlocking rod 44 drives the positioning rod 41 away from the positioning plate 43 and disengages from the positioning hole 431 of the positioning plate 43. Then, the unlocking rod 44 is flipped so that the unlocking rod 44 and the positioning rod 41 are perpendicular to each other, and the unlocking rod 44 is abutted against the side of the U-shaped plate 23. Due to the limiting of the unlocking rod 44, the positioning rod 41 no longer moves and remains disengaged from the positioning plate 43. At this time, the fixing sleeve 21 and the U-shaped plate 23 remain in a state where they can move relatively.

[0048] Working principle: Before working, the positioning assembly 4 keeps the fixing sleeve 21 and the U-shaped plate 23 in a locked state, so that the fixing sleeve 21 and the U-shaped plate 23 cannot move relative to each other. The locking principle is as described above.

[0049] The shut-off valve 311 is closed to prevent the oil outlet pipe 31 from flowing, and then red liquid is added into the oil tank assembly 3. The method for adding red liquid into the oil tank assembly 3 is as described above.

[0050] Place the crossbar 11 and the longitudinal bar 12 on the surface of the preform, so that the positioning pins 13 abut against the surface of the preform, and adjust the positions of the crossbar 11 and the longitudinal bar 12 by the positioning pins 13, so that the crossbar 11 and the longitudinal bar 12 are parallel to the surface of the preform, and the wheels 24 of the marking assembly 2 contact the surface of the preform, and then open the shut-off valves 311 of all the marking assemblies 2, so that the oil outlet pipe 1 31 is in a flow state. Complete the preparation work.

[0051] Then, the inspection is carried out, and the sliding beam 15 is pushed to move on the guide rail slider assembly 14, so that the sliding beam 15 drives multiple marking assemblies 2 to move along with the sliding beam 15, and the marking assemblies 2 complete the inspection of the prefabricated part surface during the movement.

[0052] When the marking component 2 moves, when the U-shaped plate 23 moves downward, it will drive the recessed part detection component 6 to record the number of recessed parts on the surface of the preform; when the U-shaped plate 23 moves upward, it will drive the convex part detection component to record the number of convex parts on the surface of the preform. The working principles of the convex part detection component 5 and the concave part detection component 6 are as described above.

[0053] When the concave portion or convex portion where the marking component 2 is located does not exceed the specified value, for example, 8MM, the extrusion block 26 is not in contact with the contact head 1 73 or the contact head 2 83, and no marking is performed on the surface of the preform.

[0054] When the concave or convex part where the marking component 2 is located exceeds the specified value, the extrusion block 26 squeezes the contact head 1 73 or the contact head 2 83, so that the concave marking valve 7 or the convex marking valve 8 is in an open state, and the red liquid flows out from the concave nozzle 72 or the convex nozzle 82, thereby marking the surface of the preform, so that the position and number of the concave or convex part on the surface of the preform that exceeds the specified value can be directly observed. As for the working principle of the concave marking valve 7 and the convex marking valve 8, see the above description.

[0055] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A precision measuring device for casting construction of precast parts, comprising two parallel horizontal bars (11) and two parallel vertical bars (12), the vertical bars (12) and the horizontal bars (11) forming a rectangular frame structure, two positioning pins (13) being arranged on each horizontal bar (11), a guide rail slider assembly (14) being arranged on the upper side of the two vertical bars (12), and a sliding beam (15) being fixedly arranged on the guide rail slider assembly (14), characterized in that: A plurality of marking components (2) are evenly arranged on the sliding beam (15); The marking component (2) comprises a fixing sleeve (21) sleeved on the sliding beam (15), a locking bolt (22) being arranged on a side of the fixing sleeve (21), two symmetrically arranged fixing plates (211) being arranged on a side of the fixing sleeve (21) away from the locking bolt (22), a guide rail slider assembly 2 (231) being arranged on a side close to each other of the two fixing plates (211), a U-shaped plate (23) being fixedly connected to a side close to each other of the two guide rail slider assemblies 2 (231), a limit plate (232) fixed on the U-shaped plate (23) being arranged on upper and lower ends of the two guide rail slider assemblies 2 (231), and the lower end of the U-shaped plate (23) being rotatably connected to two wheels (24); A concave spray head (72) and a convex spray head (82) are provided at the lower end of the U-shaped plate (23); the concave spray head (72) is connected to the oil tank assembly (3) via a concave marking valve (7), and the convex spray head (82) is connected to the oil tank assembly (3) via a convex marking valve (8); A concave portion detection component (6) and a convex portion detection component (5) are arranged on a side of the fixing sleeve (21) close to the U-shaped plate (23).

2. The precision measuring device for prefabricated casting construction according to claim 1, characterized in that: The concave marking valve (7) comprises a valve body (74), the valve body (74) being bolted to the waist-shaped through hole on the inner wall of the U-shaped plate (23), a valve body cavity (743) being horizontally arranged in the valve body (74), the left end of the valve body cavity (743) being sealed by the second end cover bolt (76), the right end of the second end cover bolt (76) abutting against the valve body spring (77), the right end of the valve body spring (77) abutting against the valve core (78), the valve core (78) passing through the first end cover bolt (75) connected to the right end of the valve body cavity (743) and being connected to the first contact head (73), and the lower side surface of the first contact head (73) being provided with the first extrusion inclined surface (731); The internal structure of the convex marking valve (8) is the same as the internal structure of the concave marking valve (7), a second contact head (83) is provided at the right end of the valve core of the convex marking valve (8), and a second extrusion slope (831) is provided on the upper side of the second contact head (83); A guide plate (27) is arranged on the side of the contact head 1 (73) and the contact head 2 (83), and the guide plate (27) is bolted to the U-shaped plate (23); The fixing sleeve (21) is bolted to an extrusion block (26), the extrusion block (26) being arranged between the first extrusion slope (731) and the second extrusion slope (831), and the extrusion block (26) being coplanar with the first contact head (73) and the second contact head (83) in a vertical plane; An oil inlet (741) is provided on the upper side of the valve body (74), and an oil outlet (742) is provided on the lower side of the valve body (74); the oil inlet (741) and the oil outlet (742) are communicated with each other, and a valve core (78) is slidably provided between the oil inlet (741) and the oil outlet (742); An oil groove (744) communicating with the oil outlet (742) is provided at the lower side of the valve body cavity (743).

3. The precision measuring device for prefabricated casting construction according to claim 2 is characterized in that: The oil inlet (741) of the concave marking valve (7) and the oil inlet of the convex marking valve (8) are both connected to the oil tank assembly (3) via the second oil outlet pipe (32); the oil outlet (742) of the concave marking valve (7) is connected to the first oil delivery pipe (71); and the other end of the first oil delivery pipe (71) is connected to the concave nozzle (72); The oil outlet of the convex marking valve (8) is connected to the convex nozzle (82) through the second oil delivery pipe (81), and the convex nozzle (82) and the concave nozzle (72) are arranged vertically.

4. The precision measuring device for prefabricated casting construction according to claim 1 is characterized in that: The recessed portion detection assembly (6) comprises a housing (62), the housing (62) being fixedly connected to a side surface of the fixing sleeve (21) via a connecting piece, the lower end of the housing (62) being threadedly connected to a liquid collecting bottle (68), and a scale (681) being provided on an outer side surface of the liquid collecting bottle (68); The upper end of the housing (62) is threadedly connected to a limiting end plate (622), and the limiting end plate (622) is slidably inserted into the second telescopic rod (61), and the cross section of the second telescopic rod (61) is rectangular; A sliding shaft portion (612) is provided at the lower end of the second telescopic rod (61); one end of the sliding shaft portion (612) away from the second telescopic rod (61) is threadedly connected to the cylinder (64); the other end of the cylinder (64) is threadedly connected to the plug (65); the upper end of the plug (65) abuts against the small piston disk (66); and a second spring (67) is provided between the small piston disk (66) and the sliding shaft portion (612); An annular groove (651) is provided at one end of the plug (65) abutting against the small piston disc (66), a waist-shaped oil inlet groove (641) is provided on the cylinder barrel (64) outside the annular groove (651), and an oil inlet channel (621) is provided on the housing (62) outside the waist-shaped oil inlet groove (641).

5. The precision measuring device for prefabricated casting construction according to claim 4 is characterized in that: A shoulder ring is arranged outside the sliding shaft portion (612), the lower side of the shoulder ring abuts against spring one (63), and the other end of spring one (63) abuts against the shoulder of the housing (62); The outer diameters of the sliding shaft portion (612) and the cylinder barrel (64) are the same, and the inner diameter of the portion where the housing (62) contacts the cylinder barrel (64) is the same as the outer diameters of the sliding shaft portion (612) and the cylinder barrel (64); The upper end of the second telescopic rod (61) is fixedly connected to the second driving plate (611), the upper side of the second driving plate (611) abuts against the driving rod (25), and the driving rod (25) is fixedly arranged on the U-shaped plate (23).

6. The precision measuring device for prefabricated casting construction according to claim 5, characterized in that: The convex detection component (5) and the concave detection component (6) have the same internal structure. The upper end side surface of the telescopic rod 1 (51) of the convex detection component (5) is fixedly connected to the shaft rod (511), and the shaft rod (511) is inserted into the sliding groove of the end plate of the flip plate (512). The middle part of the flip plate (512) is rotatably connected to the fixed seat (513), and the fixed seat (513) is slidably connected to the sliding rod (514). The upper end side surface of the sliding rod (514) is fixedly provided with a driving plate 1 (515), and the driving plate 1 (515) is adjacent to the upper side of the driving rod (25). A round rod is fixedly provided on the side surface of the sliding rod (514), and the round rod is inserted into the sliding groove of the end of the flip plate (512) away from the shaft rod (511).

7. The precision measuring device for prefabricated casting construction according to claim 1, characterized in that: The oil tank assembly (3) comprises a fixed plate (37), the fixed plate (37) being bolted to the upper side of the fixed sleeve (21), the side of the fixed plate (37) being bolted to the oil cylinder sleeve (38), the other end of the oil cylinder sleeve (38) being bolted to the end plate (33), a refueling pipe (332) being arranged on the upper side of the end plate (33), and the end of the refueling pipe (332) being threadedly connected to the refueling cap (333); An oil outlet cavity (331) is provided at the lower side of the end plate (33); the outer side of the oil outlet cavity (331) is connected to an oil outlet pipe 1 (31) and an oil outlet pipe 2 (32); a shut-off valve (311) is provided on the oil outlet pipe 1 (31); the other end of the oil outlet pipe 1 (31) is connected to an oil inlet channel (621) of a concave detection component (6) and a convex detection component (5) via a three-way pipe (312); A large piston disc (34) is slidably arranged in the oil cylinder sleeve (38), a sealing ring (341) is sleeved on the outer side of the large piston disc (34), a side of the large piston disc (34) away from the end disc (33) is rotatably connected to a pull rod (36), a limit strip (361) is arranged on the side of the pull rod (36), the pull rod (36) and the limit strip (361) both pass through the fixed disc (37), and a spring (35) is arranged between the large piston disc (34) and the fixed disc (37).

8. The precision measuring device for prefabricated casting construction according to claim 1, characterized in that: The positioning assembly (4) comprises a positioning rod (41), the positioning rod (41) is slidably inserted into the U-shaped plate (23), and one end of the positioning rod (41) away from the fixing sleeve (21) is slidably connected to the waist-shaped groove (441) of the unlocking rod (44); A baffle plate (411) is fixedly disposed at the other end of the positioning rod (41), a spring (42) is disposed between the baffle plate (411) and the U-shaped plate (23), an end of the positioning rod (41) where the baffle plate (411) is located is inserted into a positioning hole (431) of the positioning plate (43), and the positioning plate (43) is fixedly disposed on a side of the fixing sleeve (21).

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