Target material density measuring device and measuring method

Abstract

The invention relates to the technical field of density measurement, and discloses a target material density measuring device and method.The measuring device comprises a water pump, a rack, a water tank, a lifting mechanism and a weighing mechanism, the water tank, the lifting mechanism and the weighing mechanism are arranged on the rack, a conveying mechanism is arranged on one side of the rack, and the water tank is arranged at the bottom of the rack; the water pump is communicated with the water tank in a circulating mode, a water baffle is arranged on the inner side wall of the water tank, the weighing mechanism comprises a scale body and a first bracket arranged in the water tank, the first bracket is connected with the scale body, a second bracket is supported on the scale body, and the second bracket is connected with the water tank. A first supporting mechanism is arranged on the portion, located between the first bracket and the second bracket, of the rack and corresponds to the conveying mechanism in an opening and closing mode, and the lifting mechanism is used for conveying the target material from the first supporting mechanism to the first bracket. Operation difficulty and labor intensity can be effectively reduced, the safety coefficient is improved, manpower waste is reduced, and loss caused by falling of the target material is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of density measurement, and in particular to a target material density measuring device and a measuring method. Background Art

[0002] The density measurement process is a key indicator for testing the quality of the target material. The measurement method is based on the Archimedean floating body principle. First, a high-precision electronic scale is used to measure the dry weight of the target material in the air. Then, the target material is completely immersed in water to obtain the wet weight of the target material. The density of the rotating target can be calculated by the formula. The specific calculation formula is: ρ = ρ 水 ·m 空 / (m 空 -m 水 ), where ρ is the density of the target, ρ 水 is the density of water, m 空 is the weight of the target in air, m 水 is the weight of the target in air.

[0003] However, since the target is usually heavy, two workers are required to carry it during the measurement process, which is not only difficult to operate and wastes manpower, but also easy to cause injury to the lumbar spine of the workers when placing the target in the water. In addition, manual handling is also prone to the target falling due to careless operation, resulting in target loss. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a target material density measuring device and a measuring method, which reduce the operating difficulty and labor intensity, improve the safety factor, reduce manpower waste, and avoid losses caused by target material falling.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] A target material density measuring device comprises a water pump, a frame, a water tank, a lifting mechanism and a weighing mechanism arranged on the frame, a conveying mechanism is arranged on one side of the frame, the water tank is arranged at the bottom of the frame, the water pump is circulated with the water tank, the inner wall of the water tank is provided with a water baffle, the weighing mechanism comprises a scale body and a first bracket arranged inside the water tank, and the first bracket is connected to the scale body, a second bracket is supported on the scale body, a first supporting mechanism is opened and closed on the frame between the first bracket and the second bracket corresponding to the conveying mechanism, and the lifting mechanism is used to convey the target material from the first supporting mechanism to the first bracket.

[0007] Preferably, the target material is weighed wet on the first bracket and weighed dry on the second bracket;

[0008] A centering mechanism is included to ensure that when the target is supported on the first bracket and supported on the second bracket, the projections of the target on the horizontal plane overlap.

[0009] Preferably, the centering mechanism includes a mounting seat plate fixed on the frame, a driving mechanism arranged on the mounting seat plate, and a first clamping mounting plate and a second clamping mounting plate arranged opposite to each other, the driving mechanism is used to drive the first clamping mounting plate and the second clamping mounting plate to move toward or away from each other, a first clamping block is provided at one end of the first clamping mounting plate, a centering rod is provided at one end of the second clamping mounting plate, a second clamping block is provided at the upper end of the centering rod corresponding to the first clamping block, and a wet weight stopper is provided at the lower end of the centering rod.

[0010] Preferably, the driving mechanism includes a centering cylinder and a track mounting plate respectively arranged on both sides of the mounting seat plate, the telescopic rod of the centering cylinder is connected to the other end of the second clamping mounting plate, the track mounting plate is provided with an upper track, a lower track and a rotatable gear, the upper track is slidably connected with a first clamping plate, one end of the first clamping plate is connected to the other end of the first clamping and rotating plate, the first clamping plate is provided with a first rack, the lower track is slidably connected with a second clamping plate, one end of the second clamping plate is connected to the second clamping and rotating plate, the second clamping plate is provided with a second rack, the gear is arranged between the first rack and the second rack, and is respectively meshed with the first rack and the second rack.

[0011] Preferably, it comprises a controller, the controller comprises a display screen, and the lifting mechanism, the weighing mechanism, the conveying mechanism, the water pump, the centering mechanism and the first supporting mechanism are all electrically connected to the controller.

[0012] Preferably, the first supporting mechanism includes two supporting bodies arranged opposite to each other, the supporting bodies include two slide rails arranged opposite to each other and a driving cylinder arranged between the two slide rails, the slide rails and the driving cylinder are both fixed on the frame, a connecting plate is connected between the two slide rails, the driving cylinder is connected to the connecting plate to drive the connecting plate to slide along the slide rails, a plurality of mounting seats are evenly distributed on the upper surface of the connecting plate along its length direction, a roller is provided on the mounting seat, the plurality of rollers of each supporting body form a group, and the target material is supported between the two groups of rollers.

[0013] Preferably, the lifting mechanism includes a motor arranged on the top of the frame, a screw rod is connected to the output shaft of the motor, a lifting plate is threadedly connected to the screw rod, a plurality of support frames are arranged on the lifting plate, the support frame is L-shaped, including a connected connecting rod and a support plate, the other end of the connecting rod is connected to the lifting plate, and a bracket matching the target material is provided on the support plate.

[0014] Preferably, both ends of the scale body are provided with a lifting mechanism, the lifting mechanism includes a lifting cylinder, the telescopic rod of the lifting cylinder is provided with a lifting seat, the lifting seat is provided with a V-shaped lifting groove, the lifting groove is composed of two lifting surfaces, and the lifting surface is provided with rollers.

[0015] Preferably, a rectangular mounting frame is supported on the scale body, the second bracket is arranged inside the mounting frame, four corners of the mounting frame are respectively provided with connecting pieces, and two connecting pieces located at the same end of the mounting frame form a group;

[0016] The first bracket includes two support rods arranged opposite to each other, and the two ends of each support rod are respectively connected to the two connecting pieces of the same group. A support rod is connected between the two support rods, and a plurality of support bodies are evenly distributed on the support rod. The support bodies include two placement rods arranged opposite to each other, and the target material is supported between the two placement rods.

[0017] A method for measuring target density comprises the following steps:

[0018] Place the target on two lifting mechanisms;

[0019] The centering mechanism centers the target material, and the controller records the centering position of the centering mechanism at this time;

[0020] The centering mechanism is reset, and the lifting mechanism drives the target material to descend, so that the target material is supported on the second bracket, and dry weight weighing is realized, and the controller records the dry weight data of the target material;

[0021] The centering mechanism moves to the centering position;

[0022] The target material is transferred to the conveying mechanism for conveying, and the conveying is stopped when the target material is conveyed to the first supporting mechanism and contacts the centering mechanism;

[0023] The lifting mechanism rises and lifts the target;

[0024] The first supporting mechanism is opened, and the lifting mechanism drives the target material to descend to the water tank, so that the target material is supported on the first bracket;

[0025] Turn on the water pump to remove all bubbles on the inner wall of the target;

[0026] After the water surface is stable, the wet weight of the target material is measured, and the controller records the wet weight data of the target material and calculates the density of the target material.

[0027] A target material density measuring device and a measuring method according to an embodiment of the present invention have the following beneficial effects compared with the prior art: a conveying mechanism is arranged on one side of a frame, a water tank is arranged at the bottom of the frame, and a weighing mechanism, a first supporting mechanism and a lifting mechanism are arranged on the frame at the same time, and the weighing mechanism includes a scale body and a first bracket arranged inside the water tank, the first bracket is connected to the scale body, and a second bracket is supported on the scale body. When it is necessary to measure the density of the target material, the target material is manually lifted to the second bracket by a crane for dry weight weighing, and then the target material is manually transferred to the conveying mechanism and transported toward the first supporting mechanism. After the target material is transported to the first supporting mechanism, the lifting mechanism transports the target material from the first supporting mechanism to the first bracket to realize wet weight weighing. The whole process only needs one person to operate and does not require manual handling, which not only reduces the difficulty of operation and labor intensity, improves the safety factor, reduces manpower waste, but also avoids losses caused by the fall of the target material.

[0028] In addition, the present application sets a water pump to connect the water tank. When the target material is transported to the water tank, the water pump can be turned on, and the water flow generated by the water pump can take out all the bubbles on the inner wall of the target material, thereby improving the weighing accuracy of the wet weight and ensuring the accuracy of the density measurement. At the same time, by setting a water baffle on the inner wall of the water tank, the water surface fluctuations generated when the target material is placed in the water can be quickly eliminated, and the water surface fluctuations caused by the water pump can be quickly eliminated after the water pump stops, thereby realizing fast and accurate measurement of the wet weight of the target material and improving the measurement efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic structural diagram of the target material density measuring device of the present invention.

[0030] Figure 2 It is a structural schematic diagram of the centering mechanism of the target material density measuring device of the present invention.

[0031] Figure 3 It is a schematic structural diagram of the support body of the target material density measuring device of the present invention.

[0032] Figure 4 It is a structural schematic diagram of the lifting mechanism and weighing mechanism of the target material density measuring device of the present invention.

[0033] Figure 5 It is a structural schematic diagram of the lifting mechanism of the target material density measuring device of the present invention.

[0034] Figure 6 It is a schematic structural diagram of the water tank of the target material density measuring device of the present invention.

[0035] Among them: 1- water pump;

[0036] 2- rack;

[0037] 3- water tank, 31- water baffle,

[0038] 4-lifting mechanism, 41-motor, 42-screw, 43-lifting plate, 44-connecting rod, 45-supporting plate, 46-bracket;

[0039] 5-weighing mechanism, 51-scale body, 52-first bracket, 521-support rod, 522-support rod, 523-placing rod, 53-second bracket, 54-mounting frame, 55-connecting piece;

[0040] 6-first supporting mechanism, 61-supporting body, 611-slide rail, 612-driving cylinder, 613-connecting plate, 614-mounting seat, 615-roller;

[0041] 7-centering mechanism, 71-mounting seat plate, 72-first clamping mounting plate, 73-second clamping mounting plate, 74-first clamping block, 75-second clamping block, 76-wet weight baffle, 77-centering cylinder, 78-track mounting plate, 79-first rack, 710-second rack, 720-gear;

[0042] 8- Controller;

[0043] 9-lifting mechanism, 91-lifting cylinder, 92-lifting seat, 93-roller;

[0044] 10-Conveying mechanism. DETAILED DESCRIPTION

[0045] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0046] like Figure 1 , 4 As shown in Figure 6, a target material density measuring device according to an embodiment of the present invention comprises a water pump 1, a frame 2, a water tank 3, a lifting mechanism 4, and a weighing mechanism 5 arranged on the frame 2. A conveying mechanism 10 is arranged on one side of the frame 2, and the water tank 3 is arranged at the bottom of the frame 2. The water pump 1 is in circulation communication with the water tank 3, and a water baffle 31 is arranged on the inner wall of the water tank 3. Specifically, a water baffle 31 is arranged on each side of the inner wall of the water tank 3, and multiple water baffles 31 are arranged on each side, and the multiple water baffles 31 are evenly distributed along the height direction of the water tank 3. When arranged, the multiple water baffles 31 are arranged at intervals, and the spacing between two adjacent water baffles 31 is 0.1 to 0.2 times the height of the water tank 3. The water tank 3 is cyclically connected to the water pump 1, that is, the water pump 1 can only make the water in the water tank 3 flow, and other water replenishing mechanisms need to be used to replenish or replace water when it needs to be replaced or clean water is added to the water tank 3. At the same time, a valve needs to be arranged on the water tank 3, and the water in the water tank 3 is emptied through the valve when changing water.

[0047] The weighing mechanism 5 includes a scale body 51 and a first bracket 52 arranged inside the water tank 3, and the first bracket 52 is connected to the scale body 51, and a second bracket 53 is supported on the scale body 51. A first supporting mechanism 6 is opened and closed on the frame 2 corresponding to the conveying mechanism 10 and located between the first bracket 52 and the second bracket 53. The lifting mechanism 4 is used to convey the target material from the first supporting mechanism 6 to the first bracket 52.

[0048] The conveying mechanism 10 includes a frame and rollers arranged on the frame. The rollers can be driven by a motor or not. Instead, the target material can be directly placed on the rollers and manually pushed to move the target material.

[0049] Based on the target density measuring device with the above characteristics, a conveying mechanism 10 is arranged on one side of the frame 2, a water tank 3 is arranged at the bottom of the frame 2, and a weighing mechanism 5, a first supporting mechanism 6 and a lifting mechanism 4 are arranged on the frame 2. The weighing mechanism 5 includes a scale body 51 and a first bracket 52 arranged inside the water tank 3. The first bracket 52 is connected to the scale body 51, and a second bracket 53 is supported on the scale body 51. When the density of the target material needs to be measured, the target material is manually lifted to the second bracket 53 by a crane for dry weight weighing, and then the target material is manually transferred to the conveying mechanism 10 and transported toward the first supporting mechanism 6. After the target material is transported to the first supporting mechanism 6, the lifting mechanism 4 transports the target material from the first supporting mechanism 6 to the first bracket 52 to achieve wet weight weighing. The whole process only needs one person to operate and does not require manual handling, which not only reduces the difficulty of operation and labor intensity, improves the safety factor, reduces manpower waste, but also avoids losses caused by the fall of the target material.

[0050] In addition, the wet weight of the target material is equal to the dry weight of the target material minus the buoyancy of the target material, so the buoyancy of the target material directly affects the wet weight of the target material. If the inner wall of the target material contains bubbles, it will directly affect the buoyancy of the target material. Therefore, the bubbles on the inner wall of the target material will directly affect the measurement of the density of the target material. The present application sets a water pump 1 to connect the water tank 3. After the target material is transported to the water tank 3, the water pump 1 can be turned on, and the water flow generated by the water pump 1 can bring out all the bubbles on the inner wall of the target material, thereby improving the weighing accuracy of the wet weight and ensuring the accuracy of the density measurement. At the same time, by setting a water baffle 31 on the inner wall of the water tank 3, the water surface fluctuations generated when the target material is placed in the water can be quickly eliminated, and the water surface fluctuations caused by the water pump 1 can be quickly eliminated after the water pump 1 stops, thereby realizing fast and accurate measurement of the wet weight of the target material and improving the measurement efficiency.

[0051] In this embodiment, the target material is weighed by wet weight on the first bracket 52 and by dry weight on the second bracket 53. Since the target material needs to be lifted by a crane and transported by a conveying mechanism 10 when transferred from the second bracket 53 to the first bracket 52, in order to ensure measurement accuracy, it is necessary to ensure that the projections of the target material on the horizontal plane coincide with each other when supported on the first bracket 52 and the second bracket 53, that is, to ensure that the center of gravity of the dry weight and the wet weight are in the same position on the scale body 51.

[0052] Please see attached Figure 1 , 2 In this embodiment, the centering mechanism 7 includes a mounting base plate 71 fixed on the frame 2, a driving mechanism arranged on the mounting base plate 71, and a first clamping mounting plate 72 and a second clamping mounting plate 73 arranged opposite to each other. The driving mechanism is used to drive the first clamping mounting plate 72 and the second clamping mounting plate 73 to move toward or away from each other. A first clamping block 74 is arranged at one end of the first clamping mounting plate 72, and a centering rod is arranged at one end of the second clamping mounting plate 73. A second clamping block 75 is arranged at the upper end of the centering rod corresponding to the first clamping block 74, and a wet weight stopper 76 is arranged at the lower end of the centering rod. When the target material is first centered before dry weight weighing, the driving mechanism drives the first clamping mounting plate 72 and the second clamping mounting plate 73 to move toward each other, so that the target material is clamped between the first clamping block 74 and the second clamping block 75 to form a centering. After centering, the driving mechanism drives the first clamping mounting plate 72 and the second clamping mounting plate 73 to move away from each other to complete the dry weight weighing. During the second alignment, the target material is transported to the first supporting mechanism 6 , and when it abuts against the wet weight stopper 76 , the second alignment of the target material is completed.

[0053] Specifically, the driving mechanism includes a centering cylinder 77 and a track mounting plate 78 respectively arranged on both sides of the mounting seat plate 71, the telescopic rod of the centering cylinder 77 is connected to the other end of the second clamping mounting plate 73, the track mounting plate 78 is provided with an upper track, a lower track and a rotatable gear 720, the upper track is slidably connected with a first clamping plate, one end of the first clamping plate is connected to the other end of the first clamping mounting plate 72, the first clamping plate is provided with a first rack 79, the lower track is slidably connected with a second clamping plate, one end of the second clamping plate is connected to the second clamping mounting plate 73, the second clamping plate is provided with a second rack 710, the gear 720 is arranged between the first rack 79 and the second rack 710, and is respectively meshed with the first rack 79 and the second rack 710. When the target material needs to be centered, the centering cylinder 77 drives the second clamping mounting plate 73 to drive the second clamping plate to move, the second clamping plate drives the second rack 710 to move, the second rack 710 drives the gear 720 to rotate, the gear 720 drives the first rack 79 to move, the first rack 79 drives the first clamping plate to move, the first clamping plate drives the first clamping mounting plate 72 to move, thereby realizing the first clamping mounting plate 72 and the second clamping mounting plate 73 to move toward or away from each other.

[0054] Please see attached Figure 1 , 3 In this embodiment, the first support mechanism 6 includes two supporting bodies 61 arranged opposite to each other, and the supporting bodies 61 include two slide rails 611 arranged opposite to each other and a driving cylinder 612 arranged between the two slide rails 611. The slide rails 611 and the driving cylinder 612 are fixedly arranged on the frame 2. A connecting plate 613 is connected between the two slide rails 611. The driving cylinder 612 is connected to the connecting plate 613 to drive the connecting plate to slide along the slide rails 611. Preferably, the driving cylinder 612 is a rodless cylinder, and its slider is connected to the connecting plate 613 to drive the connecting plate 613 to move. The upper surface of the connecting plate 613 is uniformly provided with a plurality of mounting seats 614 along its length direction, and rollers 615 are arranged on the mounting seats 614. The plurality of rollers 615 of each supporting body 61 is a group, and the target material is supported between the two groups of rollers 615. That is, the driving cylinder 612 of each supporting body 61 drives a group of rollers 615 to move, so that the two groups of rollers 615 move toward or away from each other. When feeding, the two groups of rollers 615 are close to each other, and the conveying mechanism 10 conveys the target material between the two groups of rollers 615 until it contacts the wet weight block 76, thus realizing the centering of the target material. Then the centering mechanism 7 is reset and separated from the target material, and then the lifting mechanism 4 rises to drag the target material, and the two driving cylinders 612 of the first supporting mechanism 6 drive the two groups of rollers 615 to move away from each other, realizing the separation of the rollers 615 from the target material, and then under the action of the lifting mechanism 4, the target material is conveyed to the water tank 3.

[0055] Please see attached Figure 4 In this embodiment, the lifting mechanism 4 includes a motor 41 disposed at the top of the frame 2, and a screw rod 42 is connected to the output shaft of the motor 41. When specifically connected, a pulley, a chain, a gear, etc. can be used for connection. A lifting plate 43 is threadedly connected to the screw rod 42, and a plurality of support frames are arranged on the lifting plate 43. The support frames are L-shaped and include a connecting rod 44 and a supporting plate 45 connected to each other. The other end of the connecting rod 44 is connected to the lifting plate 43, and a bracket 46 adapted to the target material is arranged on the supporting plate 45. When the target material needs to be lifted, the target material is supported on the bracket 46 to ensure the moving stability of the target material. Then the motor 41 is started to drive the screw rod 42 to rotate, and the screw rod 42 drives the lifting plate 43 to drive the supporting plate 45 to lift and lower, thereby realizing the lifting and lowering of the target material. Preferably, guide rods are arranged on both sides of the screw rod 42 to ensure the lifting stability of the lifting plate 43.

[0056] Please see attached Figure 4 , 5In this embodiment, since the target material needs to be centered before weighing, it is not appropriate to place the target material directly on the scale body 51 when weighing the dry weight. A lifting mechanism 9 can be set at both ends of the scale body 51. The lifting mechanism 9 includes a lifting cylinder 91. A lifting seat 92 is provided on the telescopic rod of the lifting cylinder 91. The lifting seat 92 is provided with a V-shaped lifting groove. The lifting groove consists of two lifting surfaces, and the lifting surface is provided with a roller 93. When weighing, the lifting cylinder 91 rises first, and then the target material is manually lifted to the rollers 93 of the two lifting mechanisms 9. Then the centering mechanism 7 is started, and under the action of the first clamping block 74 and the second clamping block 75, the target material moves on the roller 93 to perform centering adjustment. Since the target material moves on the roller 93, its surface will not be damaged. When the target material is completely centered, the lifting cylinder 91 is lowered, and the target material is placed on the scale body 51 to achieve weighing.

[0057] Please see attached Figure 4 In this embodiment, a rectangular mounting frame 54 is supported on the scale body 51, and the second bracket 53 is arranged inside the mounting frame 54. Connectors 55 are respectively arranged at the four corners of the mounting frame 54, and two of the connectors 55 located at the same end of the mounting frame 54 form a group. The connector 55 can be a steel wire, a suspension rod, etc. The first bracket 52 is connected to the scale body 51 through the connector 55, so that the scale body 51 weighs the target material on the first bracket 52. The first bracket 52 includes two support rods 521 arranged oppositely, and the two ends of each support rod 521 are respectively connected to the two connectors 55 of the same group, and a support rod 522 is connected between the two support rods 521. A plurality of support bodies are evenly distributed on the support rod 522, and the support body includes two placement rods 523 arranged oppositely. The target material is supported between the two placement rods 523, that is, the target material is supported on the placement rod 523 and is in line contact with the placement rod 523, thereby avoiding the first bracket 52 from affecting the buoyancy of the target material, thereby ensuring the accuracy of density side measurement.

[0058] Please see attached Figure 1 In this embodiment, in order to ensure the accuracy of measurement, the target material density measuring device also includes a controller 8, and the controller 8 includes a display screen. The lifting mechanism 4, the weighing mechanism 5, the conveying mechanism 10, the water pump 1, the centering mechanism 7 and the first supporting mechanism 6 are all electrically connected to the controller 8, that is, through the operation of the display screen, the setting of each parameter can be realized to ensure the measurement accuracy and automatic calculation of the density of the target material. And the controller 8 can automatically calculate the density of the target material through the dry weight and wet weight of the target material, and display it on the display screen. Specifically, the centering cylinder 77 of the centering mechanism 7 is electrically connected to the controller 8, and the controller 8 records the centering position through the position of the centering cylinder 77 to ensure the accuracy of the centering position; the motor 41 of the lifting mechanism 4, the driving cylinder 612 of the first supporting mechanism 6, the lifting cylinder 91 of the lifting mechanism 9, and the scale body 51 are respectively connected to the controller 8.

[0059] In order to solve the above technical problems, the present application also provides a target density measurement method, comprising the following steps:

[0060] The operator operates the crane to place the target material on two lifting mechanisms 9;

[0061] After the loading is completed, the display screen is operated to control the centering mechanism 7 to center the target, and the controller 8 records the centering position of the centering mechanism 7 at this time;

[0062] After the target material is centered, the centering mechanism 7 is reset, and the lifting mechanism 9 drives the target material to descend, so that the target material is supported on the second bracket 53, and the dry weight is weighed, and the controller 8 records the dry weight data of the target material;

[0063] The centering mechanism 7 moves to the centering position;

[0064] The operator operates the crane to transfer the target material to the conveying mechanism 10 for conveying, and stops conveying when the target material is conveyed to the first supporting mechanism 6 and contacts the wet weight stopper 76 of the centering mechanism 7;

[0065] The lifting mechanism 4 rises and lifts the target;

[0066] The first supporting mechanism 6 is opened, and the lifting mechanism 4 drives the target material to descend to the water tank 3, so that the target material is supported on the first bracket 52;

[0067] Turn on water pump 1 to remove all bubbles on the inner wall of the target;

[0068] After the water surface is stable, the wet weight of the target material is measured, and the controller 8 records the wet weight data of the target material and calculates the density of the target material;

[0069] After the measurement is finished, the lifting mechanism 4 rises, drives the target material to rise to the height of the first supporting mechanism 6, and then the first supporting mechanism 6 closes to support the target material;

[0070] The operator removes the target using the rollers, and the measurement is now complete.

[0071] The measurement method of the present application reduces the original two-person weighing to one person to complete the entire density measurement process; the equipment automatically records the wet weight, dry weight, temperature and other data and directly inputs them into the control system, automatically completing the calculation of the density formula to avoid negligence in manual recording; there is no need for personnel to put the target material into the water tank during the entire process, avoiding lumbar strain caused by the operator bending over to carry it; there is no need for personnel to carry it, avoiding the target material being bumped during the transportation process.

[0072] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A target material density measuring device, characterized in that: It includes a water pump, a frame, a water tank, a lifting mechanism and a weighing mechanism arranged on the frame. A conveying mechanism is arranged on one side of the frame. The water tank is arranged at the bottom of the frame. The water pump is circulated with the water tank. The inner wall of the water tank is provided with a water baffle. The weighing mechanism includes a scale body and a first bracket arranged inside the water tank, and the first bracket is connected to the scale body. A second bracket is supported on the scale body. A first supporting mechanism is opened and closed on the frame between the first bracket and the second bracket corresponding to the conveying mechanism. The lifting mechanism is used to transport the target material from the first supporting mechanism to the first bracket.

2. The target material density measuring device according to claim 1, characterized in that: The target material is weighed wet on the first bracket and weighed dry on the second bracket; A centering mechanism is included to ensure that when the target is supported on the first bracket and supported on the second bracket, the projections of the target on the horizontal plane overlap.

3. The target material density measuring device according to claim 2, characterized in that: The centering mechanism includes a mounting base plate fixed on the frame, a driving mechanism arranged on the mounting base plate, and a first clamping mounting plate and a second clamping mounting plate arranged opposite to each other, the driving mechanism is used to drive the first clamping mounting plate and the second clamping mounting plate to move toward or away from each other, a first clamping block is provided at one end of the first clamping mounting plate, a centering rod is provided at one end of the second clamping mounting plate, a second clamping block is provided at the upper end of the centering rod corresponding to the first clamping block, and a wet weight stopper is provided at the lower end of the centering rod.

4. The target material density measuring device according to claim 3, characterized in that: The driving mechanism includes a centering cylinder and a track mounting plate respectively arranged on both sides of the mounting seat plate, the telescopic rod of the centering cylinder is connected to the other end of the second clamping mounting plate, the track mounting plate is provided with an upper track, a lower track and a rotatable gear, the upper track is slidably connected with a first clamping plate, one end of the first clamping plate is connected to the other end of the first clamping and rotating plate, the first clamping plate is provided with a first rack, the lower track is slidably connected with a second clamping plate, one end of the second clamping plate is connected to the second clamping and rotating plate, the second clamping plate is provided with a second rack, the gear is arranged between the first rack and the second rack, and is meshed with the first rack and the second rack respectively.

5. The target material density measuring device according to claim 2, characterized in that: It comprises a controller, which comprises a display screen; the lifting mechanism, the weighing mechanism, the conveying mechanism, the water pump, the centering mechanism and the first supporting mechanism are all electrically connected to the controller.

6. The target material density measuring device according to any one of claims 1 to 5, characterized in that: The first supporting mechanism includes two supporting bodies arranged opposite to each other, and the supporting bodies include two slide rails arranged opposite to each other and a driving cylinder arranged between the two slide rails. The slide rails and the driving cylinder are both fixed on the frame, and a connecting plate is connected between the two slide rails. The driving cylinder is connected to the connecting plate to drive the connecting plate to slide along the slide rails. A plurality of mounting seats are evenly distributed on the upper surface of the connecting plate along its length direction, and a roller is arranged on the mounting seat. The plurality of rollers of each supporting body form a group, and the target material is supported between the two groups of rollers.

7. The target material density measuring device according to any one of claims 1 to 5, characterized in that: The lifting mechanism includes a motor arranged on the top of the frame, a lead screw is connected to the output shaft of the motor, a lifting plate is threadedly connected to the lead screw, a plurality of support frames are arranged on the lifting plate, the support frames are L-shaped, including a connecting rod and a supporting plate connected to each other, the other end of the connecting rod is connected to the lifting plate, and a bracket matching the target material is arranged on the supporting plate.

8. The target material density measuring device according to any one of claims 1 to 5, characterized in that: Both ends of the scale body are provided with a lifting mechanism, the lifting mechanism comprises a lifting cylinder, a lifting seat is provided on the telescopic rod of the lifting cylinder, a V-shaped lifting groove is provided on the lifting seat, the lifting groove is composed of two lifting surfaces, and rollers are provided on the lifting surface.

9. The target material density measuring device according to any one of claims 1 to 5, characterized in that: The scale body supports a rectangular mounting frame, the second bracket is arranged inside the mounting frame, the four corners of the mounting frame are respectively provided with connecting pieces, and two connecting pieces located at the same end of the mounting frame form a group; The first bracket includes two support rods arranged opposite to each other, and the two ends of each support rod are respectively connected to the two connecting pieces of the same group. A support rod is connected between the two support rods, and a plurality of support bodies are evenly distributed on the support rod. The support bodies include two placement rods arranged opposite to each other, and the target material is supported between the two placement rods.

10. A target material density measurement method, characterized in that: The following steps are involved: Place the target on two lifting mechanisms; The centering mechanism centers the target material, and the controller records the centering position of the centering mechanism at this time; The centering mechanism is reset, and the lifting mechanism drives the target material to descend, so that the target material is supported on the second bracket, and dry weight weighing is realized, and the controller records the dry weight data of the target material; The centering mechanism moves to the centering position; The target material is transferred to the conveying mechanism for conveying, and the conveying is stopped when the target material is conveyed to the first supporting mechanism and contacts the centering mechanism; The lifting mechanism rises and lifts the target; The first supporting mechanism is opened, and the lifting mechanism drives the target material to descend to the water tank, so that the target material is supported on the first bracket; Turn on the water pump to remove all bubbles on the inner wall of the target; After the water surface is stable, the wet weight of the target material is measured, and the controller records the wet weight data of the target material and calculates the density of the target material.

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