CN220708868U - Rotary drilling bit strength inspection device - Google Patents

Rotary drilling bit strength inspection device Download PDF

Info

Publication number
CN220708868U
CN220708868U CN202222137005.1U CN202222137005U CN220708868U CN 220708868 U CN220708868 U CN 220708868U CN 202222137005 U CN202222137005 U CN 202222137005U CN 220708868 U CN220708868 U CN 220708868U
Authority
CN
China
Prior art keywords
fixedly connected
drill bit
plate
base
extrusion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202222137005.1U
Other languages
Chinese (zh)
Inventor
贺志坤
曾文台
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Shushan Technology Co ltd
Original Assignee
Hunan Shushan Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Shushan Technology Co ltd filed Critical Hunan Shushan Technology Co ltd
Priority to CN202222137005.1U priority Critical patent/CN220708868U/en
Application granted granted Critical
Publication of CN220708868U publication Critical patent/CN220708868U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Earth Drilling (AREA)

Abstract

The utility model belongs to the technical field of strength inspection devices, in particular to a rotary drilling bit strength inspection device which comprises a base, wherein the top of the base is fixedly connected with a mounting frame, the top of the mounting frame is fixedly connected with a hydraulic cylinder, the bottom end of the hydraulic cylinder is fixedly connected with a telescopic rod, the bottom end of the telescopic rod penetrates through the top wall of the mounting frame and extends into the mounting frame, the bottom end of the telescopic rod is provided with an extrusion mechanism, and the top of the base is provided with a moving mechanism; can cushion when making the stripper plate in the extrusion drill bit through extrusion mechanism, prevent the stripper plate to the damage of drill bit, can prevent that the piece from flying in disorder through protection machanism, improved staff's around security, make the drill bit move the position under the condition that need not dismantle from fixture through moving mechanism, and then can detect the different positions on the drill bit, the operation is swift convenient, has improved detection efficiency.

Description

Rotary drilling bit strength inspection device
Technical Field
The utility model relates to the technical field of strength inspection devices, in particular to a rotary drilling bit strength inspection device.
Background
The rotary drilling bit is widely used for foundation construction engineering such as municipal construction, highway bridges, high-rise buildings and the like, is matched with different drilling tools, is suitable for dry (short spiral) or wet (rotary bucket) and rock stratum (core drill) hole forming operation, and the strength of the rotary drilling bit directly determines the performance of the rotary drilling bit, so that the strength of teeth is required to be detected before the rotary drilling bit leaves a factory, the quality of the water drilling bit can be guaranteed, and a rotary drilling bit strength detection device is required to be used during detection.
The existing rotary drilling bit strength inspection device has the defects that the extrusion speed is too high when the rotary drilling bit is extruded, so that the extrusion plate can damage the rotary drilling bit due to rapid extrusion, the instantaneous test value is inaccurate, and meanwhile, scraps can be splashed out when the rotary drilling bit is extruded, so that the splashed scraps have influence on surrounding people; therefore, a rotary drill bit strength inspection device is proposed to address the above-described problems.
Disclosure of Invention
In order to make up the deficiency of the prior art, the problem that the extrusion speed is too high when the rotary drilling bit is extruded, so that the extrusion plate damages the rotary drilling bit due to the rapid extrusion, the instantaneous test value is inaccurate, and meanwhile, the splashing of scraps can occur when the rotary drilling bit is extruded, so that the splashed scraps have influence on surrounding people is solved.
The technical scheme adopted for solving the technical problems is as follows: the rotary drilling bit strength inspection device comprises a base, wherein the top of the base is fixedly connected with a mounting frame, the top of the mounting frame is fixedly connected with a hydraulic cylinder, the bottom end of the hydraulic cylinder is fixedly connected with a telescopic rod, the bottom end of the telescopic rod penetrates through the top wall of the mounting frame and extends into the mounting frame, the bottom end of the telescopic rod is provided with an extrusion mechanism, the top of the base is provided with a moving mechanism, two sides of the top of the moving mechanism are provided with clamping mechanisms, the top of the base is provided with protection mechanisms, the protection mechanisms are provided with two groups, one side of the inside of the mounting frame is fixedly connected with a display, one side of the inside of the mounting frame is fixedly connected with a controller, and the controller is positioned at the bottom side of the display.
Preferably, the extrusion mechanism comprises a connecting plate, wherein the bottom of the connecting plate is fixedly connected with an extrusion plate, and the bottom of the extrusion plate is fixedly connected with a pressure sensor.
Preferably, the both sides sliding connection of connecting plate has the guide bar, the top fixedly connected with stopper of guide bar, the bottom fixedly connected with contact plate of guide bar, the bottom fixedly connected with rubber pad of contact plate, common elastic connection has buffer spring between the top of contact plate and the bottom of connecting plate, when the stripper plate is extruded the drill bit, in order to prevent that the sudden depression of stripper plate from causing cracked condition to the drill bit, thereby the stripper plate moves down and the contact plate contacts the drill bit, guide bar upward movement on the contact plate this moment, and buffer spring on the contact plate is extrudeed the shrink, and then buffer spring can cushion between connecting plate and the contact plate, because the stripper plate is fixed in the below of connecting plate, thereby make the stripper plate can cushion when extruding the drill bit, prevent the stripper plate to the damage of drill bit, can protect the surface of drill bit through the rubber pad, prevent that the contact plate from wearing and tearing the surface of drill bit, can not take place the slope when making the stripper plate move down through the setting up of stopper, and then make the extrusion data more accurate.
Preferably, the moving mechanism comprises a sliding rail, the bottom fixed connection of sliding rail is in the top of base, the inside rotation of sliding rail is connected with the lead screw, the one end of lead screw passes the inner wall of sliding rail and rotates and be connected with the motor, motor fixed connection is in the top of base, the surface both sides threaded connection of lead screw has the slider, fixture sets up in the top of slider, and after fixing the drill bit, through controller start pneumatic cylinder work, the pneumatic cylinder drives flexible down motion, the telescopic link drives the stripper plate down motion of connecting plate bottom, and then the stripper plate carries out extrusion test to the drill bit of grip, the stripper plate is in the in-process of extrusion drill bit, can monitor the pressure between stripper plate and the drill bit through pressure sensor, the data of monitoring is shown through the display, when need detect the intensity of drill bit different positions, starts the motor and drives the lead screw and rotate, and the slider is left and right sides in the inside of sliding rail to make the drill bit carry out the removal position under the circumstances that need not dismantle from fixture, and then can detect the different positions on the drill bit, the operation is swift, has improved detection efficiency.
Preferably, the fixture includes solid fixed ring, gu fixed ring's bottom fixedly connected with in the top of slider, gu fixed ring's top fixedly connected with thread bush, the inside threaded connection of thread bush has the threaded rod, the top fixedly connected with knob of threaded rod, the bottom rotation of threaded rod is connected with the grip block, at first will wait to detect the drill bit and carry out the centre gripping through fixture, during the centre gripping, put the drill bit in gu fixed ring's inside, then drive the threaded rod through twisting the knob and rotate, the rotation of threaded rod makes take place relative removal between threaded rod and the fixed ring to make the internal motion of threaded rod to solid fixed ring, and then the grip block of threaded rod one side can press from both sides the drill bit in the fixed ring.
Preferably, the protection mechanism comprises a fixed plate, the bottom of the fixed plate is fixedly connected to the top of the base, the top of the fixed plate is rotationally connected with a baffle, two sides of the top of the fixed plate are fixedly connected with limiting plates, and the limiting plates are located on the back of the baffle.
Preferably, the positive both sides fixedly connected with loop bar of baffle, the positive both sides fixedly connected with sleeve of fixed plate, telescopic inside is located to the one end cover of loop bar, common elastic connection has between the one end of loop bar and the telescopic inner wall to tightly spring, can produce articles such as piece at extruded in-process, and the piece can splash out and cause threat to surrounding personnel's safety, can prevent that the piece is scattered, can make the loop bar outwards slide in telescopic inside through tightly spring to the loop bar can promote the baffle and rotate, under the effect of limiting plate, stops rotating when the baffle rotates perpendicular prison angle, and then can shelter from the piece that splashes through vertically baffle, has improved surrounding staff's security.
The utility model has the advantages that:
1. according to the utility model, through the extrusion mechanism, in order to prevent the situation that the extrusion plate suddenly presses down to break the drill bit, so that the extrusion plate moves downwards, and when the contact plate contacts the drill bit, the guide rod on the contact plate moves upwards at the moment, the buffer spring on the contact plate is extruded and contracted, and then the buffer spring can buffer between the connecting plate and the contact plate.
2. According to the utility model, objects such as scraps can be generated in the extrusion process through the protection mechanism, the scraps can splash to threaten the safety of surrounding people, the scraps can be prevented from flying in disorder through the protection mechanism, the loop bar can slide outwards in the sleeve through the abutting springs, so that the loop bar can push the baffle to rotate, the baffle stops rotating when rotating to a vertical monitoring angle under the action of the limiting plate, and the splashed scraps can be shielded through the vertical baffle, so that the safety of surrounding workers is improved.
3. According to the utility model, when the strength of different positions of the drill bit is required to be detected through the moving mechanism, the motor is started to drive the screw rod to rotate, and the screw rod drives the sliding block to slide left and right in the sliding rail, so that the drill bit can move under the condition that the drill bit is not required to be detached from the clamping mechanism, further, the different positions on the drill bit can be detected, the operation is quick and convenient, and the detection efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the extrusion mechanism of the present utility model;
FIG. 3 is a schematic view of a moving mechanism according to the present utility model;
FIG. 4 is a schematic view of a clamping mechanism according to the present utility model;
fig. 5 is a schematic structural view of a protection mechanism of the present utility model.
In the figure: 1. a base; 2. a mounting frame; 3. a hydraulic cylinder; 4. a telescopic rod; 5. an extrusion mechanism; 51. a connecting plate; 52. an extrusion plate; 53. a pressure sensor; 54. a guide rod; 55. a limiting block; 56. a contact plate; 57. a rubber pad; 58. a buffer spring; 6. a moving mechanism; 61. a slide rail; 62. a screw rod; 63. a motor; 64. a slide block; 7. a clamping mechanism; 71. a fixing ring; 72. a thread sleeve; 73. a threaded rod; 74. a knob; 75. a clamping plate; 8. a protective mechanism; 81. a fixing plate; 82. a baffle; 83. a limiting plate; 84. a loop bar; 85. a sleeve; 86. a pressing spring; 87. an observation window; 9. a display; 10. and a controller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-5, the rotary drilling bit strength inspection device comprises a base 1, a top fixedly connected with mounting bracket 2 of the base 1, a top fixedly connected with pneumatic cylinder 3 of the mounting bracket 2, a bottom fixedly connected with telescopic link 4 of the pneumatic cylinder 3, a bottom end of the telescopic link 4 penetrates through the top wall of the mounting bracket 2 and extends to the inside of the mounting bracket 2, an extrusion mechanism 5 is arranged at the bottom end of the telescopic link 4, a moving mechanism 6 is arranged at the top of the base 1, clamping mechanisms 7 are arranged on two sides of the top of the moving mechanism 6, a protection mechanism 8 is arranged at the top of the base 1, two groups of protection mechanisms 8 are arranged, a display 9 is fixedly connected to one side of the inside of the mounting bracket 2, a controller 10 is fixedly connected to one side of the inside of the mounting bracket 2, and the controller 10 is positioned at the bottom side of the display 9.
The extruding mechanism 5 comprises a connecting plate 51, an extruding plate 52 is fixedly connected to the bottom of the connecting plate 51, and a pressure sensor 53 is fixedly connected to the bottom of the extruding plate 52.
Wherein, the both sides sliding connection of connecting plate 51 has guide bar 54, the top fixedly connected with stopper 55 of guide bar 54, the bottom fixedly connected with contact plate 56 of guide bar 54, the bottom fixedly connected with rubber pad 57 of contact plate 56, joint elastic connection has buffer spring 58 between the top of contact plate 56 and the bottom of connecting plate 51, when the stripper plate 52 extrudees the drill bit, in order to prevent that the sudden depression of stripper plate 52 from causing cracked condition to the drill bit, thereby when stripper plate 52 moves down and contact plate 56 contacts the drill bit, guide bar 54 on the contact plate 56 upward movement, and buffer spring 58 on the contact plate 56 is compressed and contracted, and then buffer spring 58 can cushion between connecting plate 51 and the contact plate 56, because stripper plate 52 is fixed in the below of connecting plate 51, thereby make stripper plate 52 can cushion when the extrusion drill bit, prevent the damage of stripper plate 52 to the drill bit, can protect the surface of contact plate 56, prevent that guide bar 54 from connecting plate 51, can make the downward movement when breaking away from the stripper plate 52 through setting up of guide bar 54 and can not take place the slope more accurate data, and then wear and tear.
Wherein, moving mechanism 6 includes slide rail 61, slide rail 61's bottom fixedly connected with lead screw 62 in the top of base 1 is rotated in slide rail 61's inside, slide rail 61's inside is rotated and is connected with motor 63, motor 63 fixedly connected with in base 1's top, lead screw 62's surface both sides threaded connection has slider 64, fixture 7 sets up in slider 64's top, after fixing the drill bit, start pneumatic cylinder 3 through controller 10 and work, pneumatic cylinder 3 drives flexible down motion, telescopic link 4 drives the stripper plate 52 of connecting plate 51 bottom down motion, and then the stripper plate carries out the extrusion test to the drill bit of centre gripping, the pressure between stripper plate 52 and the drill bit can be monitored through pressure sensor 53 in the in-process of extruding the drill bit, the data of monitoring is shown through display 9, when need examine the intensity to the drill bit different positions, start motor 63 drives lead screw 62 and rotates, slider 64 slides about the inside of slide rail 61, thereby make the drill bit carry out the shift position under the condition that need not dismantle in fixture 7, and then can detect the different positions on the drill bit, the quick operation has improved.
Wherein, fixture 7 includes solid fixed ring 71, gu fixed ring 71's bottom fixed connection is in the top of slider 64, gu fixed ring 71's top fixedly connected with thread bush 72, thread bush 72's inside threaded connection has threaded rod 73, threaded rod 73's top fixedly connected with knob 74, threaded rod 73's bottom rotates and is connected with grip block 75, at first, will wait to detect the drill bit and carry out the centre gripping through fixture 7, during the centre gripping, put the drill bit in gu fixed ring 71's inside, then drive threaded rod 73 through twisting knob 74 and rotate, threaded rod 73's rotation makes the relative removal take place between threaded rod 73 and the solid fixed ring 71, thereby make threaded rod 73 to gu fixed ring 71's inside motion, and then grip block 75 of threaded rod 73 one side can press from both sides the drill bit in the solid fixed ring 71.
Wherein, protection machanism 8 includes fixed plate 81, and the bottom fixed plate 81's bottom fixed connection is in the top of base 1, and the top rotation of fixed plate 81 is connected with baffle 82, and the top both sides fixedly connected with limiting plate 83 of fixed plate 81, and limiting plate 83 are located the back of baffle 82.
Wherein, baffle 82's front both sides fixedly connected with loop bar 84, fixed plate 81's front both sides fixedly connected with sleeve 85, the inside of sleeve 85 is located to the one end cover of loop bar 84, common elastic connection has between the inner wall of one end of loop bar 84 and sleeve 85 supports tight spring 86, article such as possible production piece in extruded in-process, the piece can splash out and cause threat to surrounding personnel's safety, can prevent that the piece is scattered, can make the loop bar 84 outside the inside of sleeve 85 slide through supporting tight spring 86, thereby loop bar 84 can promote baffle 82 and rotate, under limiting plate 83's effect, baffle 82 stops rotating when rotating perpendicular prison angle, and then shelter from the piece that splashes through perpendicular baffle 82, staff's security around has been improved.
Example two
Referring to fig. 5, in a first comparative example, as another embodiment of the present utility model, an observation window 87 is fixedly connected to the front surface of a baffle 82, and the observation window 87 is configured to facilitate observation of a drill bit by a person, so as to prevent accidents.
Working principle: firstly, a drill bit to be detected is clamped through a clamping mechanism 7, the drill bit is placed in the fixed ring 71 during clamping, then the threaded rod 73 is driven to rotate by screwing the knob 74, the threaded rod 73 moves relatively to the fixed ring 71 due to rotation of the threaded rod 73, so that the threaded rod 73 moves towards the inside of the fixed ring 71, and then the drill bit in the fixed ring 71 can be clamped by the clamping plate 75 on one side of the threaded rod 73;
after the drill bit is fixed, the hydraulic cylinder 3 is started to work through the controller 10, the hydraulic cylinder 3 drives the telescopic rod to move downwards, the telescopic rod 4 drives the extrusion plate 52 at the bottom of the connecting plate 51 to move downwards, the extrusion plate further carries out extrusion test on the clamped drill bit, the extrusion plate 52 can monitor the pressure between the extrusion plate 52 and the drill bit through the pressure sensor 53 in the process of extruding the drill bit, monitored data are displayed through the display 9, when the intensity of different positions of the drill bit is required to be detected, the motor 63 is started to drive the screw rod 62 to rotate, the screw rod 62 drives the sliding block 64 to slide left and right in the sliding rail 61, so that the drill bit can move in the condition of not being detached from the clamping mechanism 7, the different positions on the drill bit can be detected, the operation is fast and convenient, and the detection efficiency is improved;
when the extrusion plate 52 extrudes the drill bit, in order to prevent the situation that the extrusion plate 52 suddenly presses down to break the drill bit, so that when the extrusion plate 52 moves downwards and the contact plate 56 contacts the drill bit, the guide rod 54 on the contact plate 56 moves upwards at the moment, the buffer spring 58 on the contact plate 56 is extruded and contracted, and then the buffer spring 58 can buffer between the connecting plate 51 and the contact plate 56, as the extrusion plate 52 is fixed below the connecting plate 51, the extrusion plate 52 can buffer when the drill bit is extruded, the damage of the extrusion plate 52 to the drill bit is prevented, the surface of the drill bit can be protected through the rubber pad 57, the contact plate 56 is prevented from wearing the surface of the drill bit, the guide rod 54 is prevented from being separated from the connecting plate 51 through the limiting block 55, the arrangement of the guide rod 54 can prevent the extrusion plate 52 from tilting when moving downwards, and further the extrusion data is more accurate;
in the extrusion process, objects such as fragments can be produced, the fragments can splash out to threaten the safety of people around, the fragments can be prevented from flying in disorder through the protection mechanism 8, the loop bar 84 can slide outwards in the sleeve 85 through the abutting spring 86, the loop bar 84 can push the baffle 82 to rotate, the baffle 82 stops rotating when rotating to the perpendicular monitoring angle under the effect of the limiting plate 83, and then the splashed fragments can be shielded through the perpendicular baffle 82, and the safety of workers around is improved.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (7)

1. Dig drill bit intensity verifying attachment soon, including base (1), its characterized in that: the utility model discloses a novel intelligent display device, including base (1), pneumatic cylinder (3), telescopic link (4), push mechanism (5) are provided with to the top fixedly connected with mounting bracket (2) of base (1), the top fixedly connected with pneumatic cylinder (3) of mounting bracket (2), the roof of mounting bracket (2) is passed to the bottom of telescopic link (4) and is extended to the inside of mounting bracket (2), the bottom of telescopic link (4) is provided with push mechanism (5), the top of base (1) is provided with moving mechanism (6), the top both sides of moving mechanism (6) are provided with fixture (7), the top of base (1) is provided with protection machanism (8), protection machanism (8) are provided with two sets of, inside one side fixedly connected with display (9) of mounting bracket (2), inside one side fixedly connected with controller (10) of mounting bracket (2), just controller (10) are located the downside of display (9).
2. The rotary drill bit strength inspection device of claim 1, wherein: the extrusion mechanism (5) comprises a connecting plate (51), an extrusion plate (52) is fixedly connected to the bottom of the connecting plate (51), and a pressure sensor (53) is fixedly connected to the bottom of the extrusion plate (52).
3. The rotary drill bit strength inspection device of claim 2, wherein: the two sides of the connecting plate (51) are slidably connected with guide rods (54), limiting blocks (55) are fixedly connected to the top ends of the guide rods (54), contact plates (56) are fixedly connected to the bottom ends of the guide rods (54), rubber pads (57) are fixedly connected to the bottoms of the contact plates (56), and buffer springs (58) are elastically connected between the tops of the contact plates (56) and the bottoms of the connecting plate (51) in common.
4. The rotary drill bit strength inspection device of claim 1, wherein: the moving mechanism (6) comprises a sliding rail (61), the bottom of the sliding rail (61) is fixedly connected to the top of the base (1), a screw rod (62) is rotatably connected in the sliding rail (61), one end of the screw rod (62) penetrates through the inner wall of the sliding rail (61) and is rotatably connected with a motor (63), the motor (63) is fixedly connected to the top of the base (1), sliding blocks (64) are connected to two sides of the surface of the screw rod (62) in a threaded mode, and the clamping mechanism (7) is arranged at the top of the sliding blocks (64).
5. The rotary drill bit strength testing device of claim 4, wherein: the clamping mechanism (7) comprises a fixed ring (71), the bottom of the fixed ring (71) is fixedly connected to the top of the sliding block (64), a threaded sleeve (72) is fixedly connected to the top of the fixed ring (71), a threaded rod (73) is connected to the inner thread of the threaded sleeve (72), a knob (74) is fixedly connected to the top of the threaded rod (73), and a clamping plate (75) is rotatably connected to the bottom of the threaded rod (73).
6. The rotary drill bit strength inspection device of claim 1, wherein: the protection mechanism (8) comprises a fixed plate (81), the bottom of the fixed plate (81) is fixedly connected to the top of the base (1), the top of the fixed plate (81) is rotationally connected with a baffle (82), two sides of the top of the fixed plate (81) are fixedly connected with limiting plates (83), and the limiting plates (83) are located on the back of the baffle (82).
7. The rotary drill bit strength testing device of claim 6, wherein: the front both sides fixedly connected with loop bar (84) of baffle (82), the front both sides fixedly connected with sleeve (85) of fixed plate (81), the inside of sleeve (85) is located to the one end cover of loop bar (84), joint elastic connection has between one end of loop bar (84) and the inner wall of sleeve (85) to support tight spring (86).
CN202222137005.1U 2022-08-15 2022-08-15 Rotary drilling bit strength inspection device Active CN220708868U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222137005.1U CN220708868U (en) 2022-08-15 2022-08-15 Rotary drilling bit strength inspection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222137005.1U CN220708868U (en) 2022-08-15 2022-08-15 Rotary drilling bit strength inspection device

Publications (1)

Publication Number Publication Date
CN220708868U true CN220708868U (en) 2024-04-02

Family

ID=90448323

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222137005.1U Active CN220708868U (en) 2022-08-15 2022-08-15 Rotary drilling bit strength inspection device

Country Status (1)

Country Link
CN (1) CN220708868U (en)

Similar Documents

Publication Publication Date Title
CN212514052U (en) Four-point bending test machine
CN220708868U (en) Rotary drilling bit strength inspection device
CN210243374U (en) Pressure testing machine convenient to collection bits
CN212932251U (en) Asphalt concrete shear strength detection device
CN216926395U (en) Concrete strength check out test set for building engineering
CN218212442U (en) Building spandrel girder shear force detection device
CN216051082U (en) Concrete strength detection equipment
CN213779727U (en) Waterproofing membrane elongation at break accredited testing organization
CN205295655U (en) Hook -shear device applicable to glove making machine
CN213181099U (en) Building material hardness detection device
CN219015850U (en) Building material detection device
CN211505281U (en) Quick nondestructive test equipment of pressure vessel
CN219675707U (en) Flexible transmission post detection device convenient to installation
CN216350068U (en) Energy-saving detection device for construction engineering construction
CN217901384U (en) Engineering quality supervision device for building engineering management
CN217765862U (en) Road and bridge concrete detection device
CN219552080U (en) Building material intensity detection device
CN220912863U (en) Building material intensity detection device
CN214794208U (en) Concrete detects uses resistance to compression anchor clamps
CN215866093U (en) Building trade uses raw and other materials testing stand
CN217617943U (en) Measure base processing and use numerically-controlled drilling machine
CN210719920U (en) Bending resistance testing machine
CN216361736U (en) Environment-friendly building material intensity detection device
CN216926333U (en) Digital display hydraulic universal tester
CN212180490U (en) Be applicable to severe cold area concrete performance check out test set

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant