CN113029737A - Sample manufacturing mold for detecting unconfined compressive strength of solidified sludge - Google Patents
Sample manufacturing mold for detecting unconfined compressive strength of solidified sludge Download PDFInfo
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- CN113029737A CN113029737A CN201911357769.8A CN201911357769A CN113029737A CN 113029737 A CN113029737 A CN 113029737A CN 201911357769 A CN201911357769 A CN 201911357769A CN 113029737 A CN113029737 A CN 113029737A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention discloses a sample manufacturing die for unconfined compressive strength detection of solidified sludge, which comprises a sludge storage base, a first guide scale rod, a second guide scale rod, a cutting line assembly and an extrusion forming seat, wherein the sludge storage base is provided with a sludge storage cavity, the sludge storage cavity is matched with the extrusion forming seat in shape so that the extrusion forming seat can be inserted into the sludge storage cavity, the extrusion forming seat is provided with a cylindrical forming cavity, the cylindrical forming cavity can be communicated with the sludge storage cavity, two sides of the sludge storage base are respectively provided with a mounting groove, the first guide scale rod and the second guide scale rod are inserted into the corresponding mounting grooves, the cutting line assembly comprises a cutting line and two supports for straightening the cutting line, the two supports can be arranged at the upper end of the extrusion forming seat and can move to the second guide scale rod along the first guide scale rod, and the two supports are respectively arranged at two sides of the cylindrical forming cavity. According to the invention, the top end of the solidified sludge is trimmed by using the cutting line in the solidified sludge forming process, and the size of the sample can be strictly controlled by the first guide scale rod and the second guide scale rod.
Description
Technical Field
The invention relates to solidified sludge unconfined compressive strength detection equipment, in particular to a sample manufacturing mold for detecting unconfined compressive strength of solidified sludge.
Background
The solidified sludge refers to a condensate generated by uniformly mixing dehydrated primary sludge generated by a municipal sewage treatment plant with a mixture composed of a hydrophilic material, aggregate, a curing agent and the like. According to the relevant national standards, before the unconfined compressive strength of the solidified sludge is detected, the solidified sludge is prepared into a cylindrical test block with the diameter close to phi 40 multiplied by 80mm in a specific mould, and the detection is carried out after the solidified sludge is maintained for a certain number of days under specific conditions.
The current specification does not relate to a detection method of the modified soil such as the solidified sludge, and from the content of the retrieved solidified sludge detection method similar to the solidified sludge, the detection is basically carried out according to the method described in the geotechnical test method standard GB/T50123-1999, and the basic condition of the detection is to make a uniform standard sample. According to the requirements of the standard GB/T50123-1999 on the unconfined compressive strength test method, the sizes of the test samples in the detection process are specified as follows: the test specimens were about 40mm in diameter and about 80mm in height.
At present, in China, researches on a sampler and a sample preparation method for a solidified sludge indoor test are reported, and through patent retrieval by taking 'solidified sludge', 'unconfined compressive strength' and 'mould' as key words, four similar patents exist, but three of the patents are not for solidified sludge but for sample preparation of natural soil or other inorganic materials (such as concrete), and only one invention patent describes a sample preparation device for the unconfined compressive strength test in a sludge solidification treatment chamber and a sample preparation method thereof and is granted.
The detection method in the prior art comprises the following steps: placing the solidified sludge into a cylindrical space with a diameter of about phi 40 multiplied by 80mm in a mold with a base, compacting and extruding the solidified sludge in the cylindrical space by using tools such as a jack and the like in a mode of applying work through external force, scraping the upper surface by using tools such as a blade and the like, then maintaining the solidified sludge together with the mold under specific conditions and days, disassembling the mold (the mold can be opened in half) after maintenance is finished or directly pushing out the solidified sludge with strength manually to obtain a solidified sludge sample meeting the unconfined compressive strength detection standard. However, this method has the following problems:
1) the sample preparation speed of the existing sample preparation method is too slow. Different from other inorganic materials such as concrete and the like, the solidified sludge often contains special cement, the strengthening time is very short and often only a few minutes, the sample preparation by utilizing the existing device and technology needs to take a long time to fill, compact and extrude the sample, the preparation of the sample can not be completed in a short time, and the detection result is inaccurate.
2) Manpower, raw materials are wasted, and the sample size is inaccurate. The standard size of the unconfined compressive strength test sample is
The cylindrical shape of (1) through the cylinder sample that present compaction, extrusion method obtained, two bottom surfaces often are level and smooth inadequately, often need utilize the blade to cut again and maintain after the maintenance is accomplished, and the manual work consumes greatly, causes the raw materials to waste in a large number moreover, cuts moreover and can lead to the height size inaccurate.
3) The disturbance is large and the efficiency is low during demoulding. Sample preparation demoulding in the existing device and technology is usually independent, maintenance is needed for a period of time after sample preparation is finished, demoulding is carried out after solidified sludge has strength, the method mainly comprises the steps of disassembling and opening a detachable mould or pushing out the solidified sludge after strengthening from one side, and by adopting the method, artificial disturbance is large, a sample is easy to break, sample preparation efficiency is low, and sample preparation time is long.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a sample manufacturing mold for detecting unconfined compressive strength of solidified sludge, which is used for finishing the top end of the solidified sludge in the solidified sludge forming process by utilizing a metal cutting line and strictly controlling the size of a sample.
In order to solve the technical problems, the invention adopts the following technical scheme:
a sample manufacturing die for detecting unconfined compressive strength of solidified sludge comprises a sludge storage base, a first guide scale rod, a second guide scale rod, a cutting line assembly and an extrusion molding base, the mud storage base is provided with a mud storage cavity, the mud storage cavity is matched with the extrusion molding base in shape so that the extrusion molding base can be inserted into the mud storage cavity, the extrusion molding seat is provided with a cylindrical molding cavity which can be communicated with the mud storage cavity, two sides of the mud storage base are respectively provided with a mounting groove, the first guide scale rod and the second guide scale rod are inserted into the corresponding mounting grooves, the cutting line assembly comprises a cutting line and two supports for straightening the cutting line, the two supports can move towards the second guide scale rod along the first guide scale rod and are arranged at the upper end of the extrusion forming seat, and the two supports are respectively arranged at two sides of the cylindrical forming cavity.
As a further improvement of the above technical solution:
and two operating parts are respectively arranged on two sides of the extrusion molding seat, one operating part is provided with a first through groove through which the first guide scale rod can pass, and the other operating part is provided with a second through groove through which the second guide scale rod can pass.
The terminal surface that extrusion moulding seat orientation stored up the mud chamber is equipped with the infundibulate guide way, the lower extreme entry of infundibulate guide way is square, and the upper end export is for the circular that matches with cylindrical shaping chamber, cylindrical shaping chamber lower extreme and infundibulate guide way upper end export smooth linking.
The support is characterized in that clamping grooves are formed in a pair of side faces of the extrusion forming seat, and the support is arranged in the corresponding clamping grooves in a sliding mode.
The length of draw-in groove is greater than the width of its place side, the draw-in groove is close to the one end of second direction scale pole and is rather than the side parallel and level of place side, and the one end that is close to first direction scale pole stretches out its place side.
The cutting wire assembly moves to the end of the second guide scale bar before the first cut and to the end of the first guide scale bar before each cut after the first cut.
The support includes supporting part and sliding part, the sliding part card is in the draw-in groove, the sliding part is iron, be equipped with the magnet that can catch the sliding part in the draw-in groove, the magnet is established in the one end that the draw-in groove is close to second direction scale pole.
The extrusion molding seat is a cuboid.
The first guide scale rod and the second guide scale rod are square rods.
Compared with the prior art, the invention has the advantages that:
according to the sample manufacturing die for detecting the unconfined compressive strength of the solidified sludge, the solidified sludge is formed in an internal extrusion mode and extruded out of the device, the solidified sludge is formed outside the die, the solidified sludge is not cured and formed in the traditional die, the top end of the solidified sludge is trimmed in the solidified sludge forming process by using the metal cutting line, and the size of the sample can be strictly controlled by the first guide scale rod and the second guide scale rod. The sample manufacturing mold can rapidly and stably manufacture a plurality of samples at one time, when different batches and different types of solidified sludge need to be detected, a large number of tools are needed in the traditional in-mold forming method, and the sample manufacturing mold can greatly save tools and time and rapidly manufacture samples by utilizing the self properties of the solidified sludge.
Drawings
FIG. 1 is a schematic perspective exploded view of a sample-producing mold according to the present invention.
FIG. 2 is a schematic view of the extrusion process of the sample preparation die of the present invention.
Fig. 3 is a schematic perspective view of an extrusion molding base according to the present invention.
FIG. 4 is a schematic view of the internal structure of the extrusion press forming die holder of the present invention.
FIG. 5 is a schematic side view of the extrusion press of the present invention.
FIG. 6 is a schematic top view of the extrusion press forming base of the present invention.
FIG. 7 is a schematic view of the construction of the wire assembly of the present invention
The reference numerals in the figures denote:
1. a mud storage base; 11. a sludge storage cavity; 12. mounting grooves; 2. a first guide scale bar; 3. a second guide scale bar; 4. a cutting wire assembly; 41. cutting a line; 42. a support; 421. a support portion; 422. a sliding part; 5. extruding and forming the base; 51. a cylindrical molding cavity; 52. a funnel-shaped guide groove; 53. a card slot; 531. a magnet; 6. an operation section; 61. a first through groove; 62. a second through slot.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples of the specification.
As shown in fig. 1 to 7, the sample preparation mold for detecting unconfined compressive strength of solidified sludge of the present embodiment includes a sludge storage base 1, a first guiding scale rod 2, a second guiding scale rod 3, a cutting line assembly 4 and an extrusion molding base 5, the sludge storage base 1 is provided with a sludge storage cavity 11, the sludge storage cavity 11 is matched with the extrusion molding base 5 in shape so that the extrusion molding base 5 can be inserted into the sludge storage cavity 11, the extrusion molding base 5 is provided with a cylindrical molding cavity 51, the cylindrical molding cavity 51 can be communicated with the sludge storage cavity 11, two mounting grooves 12 are respectively provided on two sides of the sludge storage base 1, the first guiding scale rod 2 and the second guiding scale rod 3 are inserted into the corresponding mounting grooves 12, the cutting line assembly 4 includes two supports 42 of a cutting line 41 and a straight cutting line 41, the two supports 42 can be arranged at the upper end of the extrusion molding base 5 and can move from the first guiding scale rod 2 to the second guiding scale rod 3, and two supports 42 are provided on both sides of the cylindrical forming chamber 51.
The sludge storage cavity 11 is filled with sludge, the extrusion molding seat 5 presses the sludge in the sludge storage cavity 11 through the outside, the sludge is extruded from the top end of the cylindrical molding cavity 51 by extrusion molding to form a solidified sludge cylindrical sample with compact inside and smooth appearance, a standard phi 40X 80mm solidified sludge unconfined compressive strength detection sample is obtained through a cutting line and a stable scale rod, and a plurality of samples can be obtained by continuous pressing molding as long as the sludge storage cavity 11 is large enough. This sample preparation mould solidified sludge is through the shaping of inside extruded form and extrude from the device, at the outside shaping of mould to maintenance shaping in the non-traditional mould utilizes metal cutting line 41 to repair the solidified sludge top in solidified sludge forming process, and first direction scale pole 2 and second direction scale pole 3 can the size of strict control sample. The sample preparation mould can be used for quickly and stably preparing a plurality of samples at one time. When different batches of solidified sludge and different types of solidified sludge need to be detected, a large number of tools are needed in the traditional in-mold forming method, and the tools and time can be greatly saved by adopting the sample to manufacture the mold, and the sample can be quickly manufactured by utilizing the self properties of the solidified sludge. The structure integrates sample preparation and demolding, is simple in structure, easy to assemble, small in artificial disturbance during use, convenient to disassemble and clean at the rear after trial use, and suitable for various geotechnical laboratories.
In this embodiment, two sides of the extrusion molding base 5 are respectively provided with an operating part 6, one operating part 6 is provided with a first through groove 61 through which the first guide scale rod 2 can pass, and the other operating part 6 is provided with a second through groove 62 through which the second guide scale rod 3 can pass. When extrusion moulding seat 5 pushed down, first direction scale pole 2 and second direction scale pole 3 were worn to establish and are led to the inslot that corresponds, and the measuring length of not only being convenient for can also play the stable effect of direction to extrusion moulding seat 5 pushes down.
In this embodiment, the appearance of the mud storage base 1 is a cuboid of 180 × 130 × 130mm, and the top surface of the mud storage base is drawn out by 155 × 80 × 80mm to form the mud storage cavity 11.
In this embodiment, the scales are arranged on the square rods of the first guide scale rod 2 and the second guide scale rod 3, and the interval between the scales is 5 mm. The guide scale rod needs to be placed in the mounting groove 12 in advance in the using process, and the function and the purpose of the guide scale rod are mainly as follows: firstly, an extrusion forming seat 5 and a sludge storage base 1 on the upper part are stabilized in the device for extruding and solidifying sludge, so that the two parts are always kept vertical and stable in the extrusion process, and the forming stability of a solidified sludge sample is ensured; secondly, the scale can help to observe the height of the solidified sludge sample in the extrusion forming process, and the solidified sludge sample is ensured to meet the height standard in the phi 40 x 80mm size specification.
In the present embodiment, the function and purpose of the cutting line 41 are mainly: firstly, the solidified sludge sample is cut in a reciprocating sliding mode, the traditional later-stage blade trimming is replaced by the solidified sludge sample, the time can be saved by cutting the solidified sludge sample before the solidified sludge is completely strengthened, and the upper bottom surface and the lower bottom surface of the cylindrical sample can be guaranteed to be very flat; and secondly, the height of the cylindrical sample is observed by combining with the scale of the guide scale rod, so that the height of the sample is controlled to be 80mm, almost no error exists, and the height and the size of the solidified sludge are ensured to meet the specification.
In this embodiment, the end face of the extrusion molding seat 5 facing the sludge storage cavity 11 is provided with a funnel-shaped guide groove 52, the entrance of the lower end of the funnel-shaped guide groove 52 is square, the exit of the upper end is circular and matched with the cylindrical molding cavity 51, and the lower end of the cylindrical molding cavity 51 is smoothly connected with the exit of the upper end of the funnel-shaped guide groove 52. The funnel-shaped guide groove 52 facilitates the guiding of the sludge in the sludge storage chamber 11 into the cylindrical forming chamber 51. The extrusion molding base 5 is a square body. The main body is a cuboid with a 80 multiplied by 80mm square bottom surface, which is fit with the mud storage cavity 11 of the mud storage base 1. The interior of the main body 4-6 of the extrusion molding seat 5 is hollowed to form an extrusion space, the upper end of the extrusion molding seat is hollowed to form a cylindrical molding cavity 51 with the diameter of 40mm, the lower end of the extrusion molding seat is hollowed to form an irregular three-dimensional space, namely the funnel-shaped guide groove 52, the upper part of the irregular three-dimensional space is in a round shape with the diameter of 40mm, the irregular three-dimensional space is completely matched and connected with the cylindrical molding cavity 51 with the diameter of 40mm, and the lower part of the irregular three-dimensional. The funnel-shaped guide groove 52 facilitates the guiding of the sludge in the sludge storage chamber 11 into the cylindrical forming chamber 51.
In this embodiment, a pair of side surfaces of the extrusion seat 5 are respectively provided with a slot 53, and the bracket 42 is slidably disposed in the corresponding slot 53. The length of the clamping groove 53 is larger than the width of the side face where the clamping groove 53 is located, one end, close to the second guide scale rod 3, of the clamping groove 53 is flush with the side face where the clamping groove is located, and one end, close to the first guide scale rod 2, of the clamping groove 53 extends out of the side face where the clamping groove is located. The support 42 includes a supporting portion 421 and a sliding portion 422, the sliding portion 422 is clamped in the clamping groove 53, the sliding portion 422 is made of iron, a magnet 531 capable of attracting the sliding portion 422 is arranged in the clamping groove 53, and the magnet 531 is arranged at one end of the clamping groove 53 close to the second guide scale rod 3.
Before the first cut, the string assembly 4 is moved to the end of the second guide scale bar 3, where it is attracted to the magnet 531. Before each cut after the first cut, the cutting line assembly 4 moves to the end of the first guide scale rod 2, and the cutting line 41 at the end extends out to be close to the first guide scale rod 2, so that the reading is convenient, and the measuring precision is high.
In this embodiment, the first guide scale rod 2 and the second guide scale rod 3 are both square rods, and are provided with scales.
The sample preparation method of the present example:
(1) adding slag and quick-hardening sulphoaluminate cement into primary sludge with the water content of 75-85%, and fully stirring and mixing to prepare solidified sludge. The proportion of each component is about 100 percent of sludge, 20 percent of slag and 25 percent of fast hardening sulphoaluminate cement.
(2) The prepared solidified sludge is filled into the sludge storage cavity 11 of the sludge storage base 1, the solidified sludge is compacted in any mode (manual beating compaction mode can be adopted), the compaction degree has no requirement, and the solidified sludge is filled in the sludge storage cavity 11.
(3) The first and second scale rods are arranged in the mounting groove 12 of the mud storage base 1, and the orientation positions of the first guide scale rod 2 and the second guide scale rod 3 need to be noticed at the moment: the scale of the scale rod is inward, and after the scale rod is inserted, the scale of the scale rod is completely exposed at the outer end and cannot be reversely inserted.
(4) The cutting wire assembly 4 is loaded into the extrusion forming seat 5 in a specific way: the cutting line sliding supports 42 are respectively embedded into one side (close to the first guide scale rod 2) where the sliding clamping groove 53 extends out, and horizontally pushed into the other side until the two supports 42 are attracted and fixed by the magnet 531 on the other side of the clamping groove 53.
(5) Pass first, the solidification mud upper end that the second scale pole nature fell to storing up mud chamber 11 storage with extrusion forming seat 5 from the top, whole device leads to groove 61, the second with the help of the first groove 61 that leads of direction scale pole, mounting groove 12, operating portion 6 and leads to groove 62 and obtain the complete stabilization, when needing to pay attention to placing extrusion forming seat 5, the outstanding one side of draw-in groove 53 is close to and is close to first direction scale pole 2.
(6) The operation part 6 is acted by external force, the main body of the extrusion molding seat 5 is slowly pushed downwards into the sludge storage cavity 11, and the solidified sludge has high cohesive force soil mechanical property and strong internal extrusion, so that a solidified sludge cylinder with a stable structure, compact interior and smooth appearance is formed and is extruded from the upper end of the cylindrical molding cavity 51.
(7) When the solidified sludge sample is completely extruded from the upper end of the cylindrical forming cavity 51, the downward extrusion of the extrusion forming seat 5 is stopped, the bracket 42 of the cutting wire assembly 4 is horizontally pushed away from the magnet 531 along the clamping groove 53 (from right to left in fig. 2) and moves towards the first guide scale rod 2, the top end of the solidified sludge is cut by the cutting wire 41 in the process, the top end of the solidified sludge sample is made flat, and the cutting wire 41 is continuously moved to make the cutting wire 41 lean against the first guide scale rod 2.
(8) And (3) continuously and slowly pushing the extrusion molding seat 5 downwards according to the step (6), meanwhile, the solidified sludge is tightly, continuously and stably extruded from the upper end of the cylindrical molding cavity 51, in the process, the size position of the top end of the solidified sludge sample and the size position of the cutting line 41 on the scale rod need to be noticed by observing scales on the scale rod, when the size difference between the top end of the solidified sludge sample and the cutting line 41 is 80mm, the cutting line 41 is pushed and cut the solidified sludge sample according to the description direction of (7) in a reverse direction (from left to right in fig. 2, the left cutting line 41 extends out to be close to the first guide scale rod 2, and an accurate point is observed), so that a phi 40 x 80mm solidified sludge sample for detecting the unconfined compressive strength of the batch of solidified sludge is obtained, and the cutting line 41 is at the end of the second guide.
(9) The cutting line 41 is pushed back towards the first guide scale bar 2 so that the cutting line 41 continues to rest against the first guide scale bar 2.
(10) And (5) continuously repeating the step (8) and the step (9) twice until the main body of the extrusion molding seat 5 is completely pushed into the sludge storage cavity 11, and continuously obtaining two complete cured sludge samples of phi 40 multiplied by 80mm for unconfined compressive strength detection of the batch of cured sludge.
(11) And putting three obtained solidified sludge samples of phi 40 multiplied by 80mm for detecting the unconfined compressive strength of the batch of solidified sludge into a special condition for curing.
(12) The device is disassembled, cleaned and placed in a position according to the reverse steps of assembly, and all parts of the device are wiped dry as much as possible after cleaning so as to avoid rusting and the like in the future.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (9)
1. The utility model provides a sample preparation mould that is used for unconfined compressive strength of solidified sludge to detect which characterized in that: including storing up mud base (1), first direction scale pole (2), second direction scale pole (3), cutting line subassembly (4) and extrusion forming seat (5), it is equipped with storage mud chamber (11) to store up mud base (1), store up mud chamber (11) and extrusion forming seat (5) appearance matching in order to make extrusion forming seat (5) can insert in storing up mud chamber (11), extrusion forming seat (5) are equipped with cylindrical shaping chamber (51), cylindrical shaping chamber (51) can communicate with storage mud chamber (11), store up mud base (1) both sides and respectively establish a mounting groove (12), first direction scale pole (2) and second direction scale pole (3) are inserted in mounting groove (12) that correspond, two supports (42) of cutting line subassembly (4) including cutting line (41) and drawing straight cutting line (41), two supports (42) can be located the extrusion of extrusion into to second direction scale pole (3) along first direction scale pole (2) and remove to second direction scale pole (3), two supports (42) The upper end of the mould seat (5) and the two brackets (42) are respectively arranged at the two sides of the cylindrical forming cavity (51).
2. The mold for manufacturing the sample for detecting the unconfined compressive strength of the solidified sludge according to claim 1, wherein: the two sides of the extrusion molding seat (5) are respectively provided with an operating part (6), one operating part (6) is provided with a first through groove (61) through which the first guide scale rod (2) can pass, and the other operating part (6) is provided with a second through groove (62) through which the second guide scale rod (3) can pass.
3. The mold for manufacturing the sample for detecting the unconfined compressive strength of the solidified sludge according to claim 1, wherein: extrusion moulding seat (5) are equipped with infundibulate guide way (52) towards the terminal surface that stores up mud chamber (11), the lower extreme entry of infundibulate guide way (52) is square, and the upper end export is for the circular that matches with cylindrical shaping chamber (51), cylindrical shaping chamber (51) lower extreme and infundibulate guide way (52) upper end export smooth and smooth linking up.
4. The mold for manufacturing the sample for detecting the unconfined compressive strength of the solidified sludge as claimed in any one of claims 1 to 3, wherein: clamping grooves (53) are formed in a pair of side faces of the extrusion forming seat (5), and the support (42) is arranged in the corresponding clamping grooves (53) in a sliding mode.
5. The mold for manufacturing the sample for detecting the unconfined compressive strength of the solidified sludge as claimed in claim 4, wherein: the length of the clamping groove (53) is larger than the width of the side face where the clamping groove is located, one end, close to the second guide scale rod (3), of the clamping groove (53) is flush with the side face where the clamping groove is located, and one end, close to the first guide scale rod (2), of the clamping groove extends out of the side face where the clamping groove is located.
6. The mold for manufacturing the sample for detecting the unconfined compressive strength of the solidified sludge as claimed in claim 5, wherein: the cutting wire assembly (4) is moved to the end of the second guide scale bar (3) prior to the first cut, and the cutting wire assembly (4) is moved to the end of the first guide scale bar (2) prior to each cut after the first cut.
7. The mold for manufacturing the sample for detecting the unconfined compressive strength of the solidified sludge as claimed in claim 5, wherein: support (42) include supporting part (421) and sliding part (422), sliding part (422) card is in draw-in groove (53), sliding part (422) are iron, be equipped with magnet (531) that can hold sliding part (422) in draw-in groove (53), magnet (531) are established in draw-in groove (53) and are close to the one end of second direction scale pole (3).
8. The mold for manufacturing the sample for detecting the unconfined compressive strength of the solidified sludge as claimed in any one of claims 1 to 3, wherein: the extrusion molding seat (5) is a square body.
9. The mold for manufacturing the sample for detecting the unconfined compressive strength of the solidified sludge as claimed in any one of claims 1 to 3, wherein: the first guide scale rod (2) and the second guide scale rod (3) are both square rods.
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| CN113029737B (en) | 2023-06-23 |
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