CN114538077A - Through hammer grabbing device - Google Patents
Through hammer grabbing device Download PDFInfo
- Publication number
- CN114538077A CN114538077A CN202210253631.9A CN202210253631A CN114538077A CN 114538077 A CN114538077 A CN 114538077A CN 202210253631 A CN202210253631 A CN 202210253631A CN 114538077 A CN114538077 A CN 114538077A
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- connecting rod
- hammer
- movable plate
- electromagnet
- grabbing position
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- 239000002184 metal Substances 0.000 claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000004590 computer program Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/901—Devices for picking-up and depositing articles or materials provided with drive systems with rectilinear movements only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/905—Control arrangements
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
The application provides a penetrating hammer grabbing device which comprises a grabbing position movable plate, an electromagnet frame, a guide rail, a drill rod detecting rod, a penetrating hammer, a push-pull electromagnet, a first connecting rod, a second connecting rod cap and a metal sensor, wherein the grabbing position movable plate is arranged on the electromagnet frame; the grabbing position movable plate and the electromagnet frame are arranged in parallel according to a preset installation distance; the two guide rails are symmetrically arranged on two sides of the grabbing position movable plate and the electromagnet frame; the drill rod is arranged between the grabbing position movable plate and the electromagnet frame; the penetrating hammer is detachably connected with the drill rod; the push-pull electromagnet is arranged on the electromagnet frame; the first connecting rod is connected with the push-pull electromagnet; the second connecting rod cap is fixedly arranged on the grabbing position movable plate and used for placing a second connecting rod; the metal sensor is connected with the grabbing potential moving plate. This application adopts mutually supporting of push-and-pull electro-magnet and essential elements such as metal sensor, head rod, second connecting rod and second connecting rod block, realizes the automation of running through the hammer snatchs and releases, and degree of automation is higher.
Description
Technical Field
The application relates to the technical field of dynamic sounding, in particular to a penetrating hammer grabbing device.
Background
In the construction process, a dynamic sounding process is required to be adopted for a foundation pit and the like, and the dynamic sounding process mainly depends on dynamic sounding equipment on the market to realize related operations. The most important part of the dynamic sounding apparatus is the through hammer gripping device.
Among the prior art, run through hammer grabbing device and mainly rely on the manpower to promote and snatch the weight, the operation is not only wasted time and energy, runs through hammer grabbing device overall structure more complicacy, and degree of automation is lower.
Disclosure of Invention
The application provides a run through hammer grabbing device to solve the reliance manpower that exists among the prior art and promote and snatch the weight, the operation is wasted time and energy, runs through hammer grabbing device overall structure nature and is more complicated, the lower problem of degree of automation.
The application provides a run through hammer grabbing device, run through hammer grabbing device includes: the device comprises a grabbing position movable plate, an electromagnet frame, a guide rail, a drill rod, a penetrating hammer, a push-pull electromagnet, a first connecting rod, a second connecting rod cap and a metal sensor;
the grabbing position movable plate and the electromagnet frame are arranged in parallel according to a preset installation distance;
the two guide rails are symmetrically arranged on two sides of the grabbing position movable plate and two sides of the electromagnet frame;
the drill rod detection rod is arranged between the grabbing position movable plate and the electromagnet frame;
the penetrating hammer is arranged below the grabbing position movable plate and is detachably connected with the drill rod;
the push-pull electromagnet is arranged on the electromagnet frame and is used for driving the first connecting rod to reciprocate up and down;
the first connecting rod is connected with the push-pull electromagnet;
the second connecting rod cap is fixedly arranged on the grabbing position movable plate and is used for placing a second connecting rod;
the metal sensor is connected with the grabbing position moving plate and used for monitoring the dynamic position of the penetrating hammer in real time.
In a preferred embodiment of the present application, the penetrating grasping apparatus further includes: the electromagnetic switch comprises an electromagnetic switch magnet, a first bracket, a linear bearing, a second bracket and a metal sensor bracket;
the electromagnetic switch magnet is arranged on the electromagnet frame and used for mounting a limiting magnetic block;
the first support is arranged on the electromagnet frame and is fixedly connected with the push-pull electromagnet;
the linear bearing is used for connecting the grabbing position movable plate and the electromagnet frame and reducing sliding friction force generated when the grabbing position movable plate slides on the guide rail;
the second bracket is fixedly arranged between the grabbing position movable plate and the electromagnet frame;
the metal sensor support is connected with the grabbing position moving plate and used for installing the metal sensor.
In a preferred embodiment of the present application, the penetrating grasping apparatus further includes: the first chain connecting piece is arranged above the electromagnet frame, and the second chain connecting piece is arranged below the grabbing position movable plate.
In a preferred embodiment of the present application, the lower end of the first connecting rod is provided with a groove for placing the first connecting rod.
In a preferred embodiment of the present application, the inner cavity of the cap of the second connecting rod is an inner cavity with a certain inclination, and the second connecting rod can move in the limited space of the cap of the second connecting rod.
In a preferred embodiment of the present application, the through hammer gripping device further comprises a control mechanism for controlling automatic gripping of the through hammer and lifting of the through hammer.
In a preferred embodiment of the present application, the through hammer gripping device further comprises a mobile power source electrically connected to both the control mechanism and the metal sensor.
The application provides a pair of run-through hammer grabbing device, compare in prior art, has following beneficial effect:
(1) this application is through uniting two into one guide rail and the supporting structure among the fixed establishment, and the guide rail also can regard as supporting structure's partly, and the portable power source who adopts moreover is the battery, and the volume is less, has reduced and has run through hammer grabbing device overall structure complexity, and it is convenient to remove, and the portability is higher.
(2) This application adopts push-and-pull electro-magnet and metal sensor, the head rod, the operation that the interior cavity structure of recess and the second connecting rod block of head rod lower extreme and the circular arc groove of running through the hammer has been set up to mutually supporting completion snatching or promoting of essential element such as second connecting rod and second connecting rod block, and a plurality of fasteners, for example, run through the circular arc arch of hammer, the recess of head rod lower extreme and the inner cavity structure of second connecting rod block and run through the hammer, and adopt control mechanism and each part of the aforesaid cooperate, realized that the automation of running through the hammer snatchs and releases, degree of automation is higher.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of a through hammer gripping device according to embodiment 1 of the present application;
fig. 2 is a front view of a through hammer gripping device according to embodiment 1 of the present application;
fig. 3 is a side view of a through hammer gripping device according to example 1 of the present application;
description of reference numerals:
the method comprises the following steps of 1-grabbing a position moving plate, 2-an electromagnet frame, 3-a guide rail, 4-a drill rod, 5-a penetrating hammer, 6-a push-pull electromagnet, 7-a first connecting rod, 8-a second connecting rod, 9-a second connecting rod cap, 10-a metal sensor, 11-an electromagnetic switch magnet, 12-a first support, 13-a linear bearing, 14-a second support, 15-a first chain connecting piece and 16-a second chain connecting piece.
Detailed Description
To make the objects, embodiments and advantages of the present application clearer, the following description of exemplary embodiments of the present application will clearly and completely describe the exemplary embodiments of the present application with reference to the accompanying drawings in the exemplary embodiments of the present application, and it is to be understood that the described exemplary embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
All other embodiments, which can be derived by a person skilled in the art from the exemplary embodiments described herein without making any inventive step, are intended to be within the scope of the claims appended hereto. In addition, while the disclosure herein has been presented in terms of one or more exemplary examples, it should be appreciated that aspects of the disclosure may be implemented solely as a complete embodiment.
It should be noted that the brief descriptions of the terms in the present application are only for the convenience of understanding the embodiments described below, and are not intended to limit the embodiments of the present application. These terms should be understood in their ordinary and customary meaning unless otherwise indicated.
In order to facilitate the technical solution of the present application, some concepts related to the present application will be described below.
In this application, terms such as "first," "second," "third," and "fourth," are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In addition, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that it includes not only the elements explicitly listed, but also other elements not explicitly listed. In addition, the words "upper", "lower", and the like, when used in this application, are all described with reference to the drawings or to the typical location of the elements in use. Thus, the solution of the present application is not unclear.
Example 1
As shown in fig. 1 to 3, the present embodiment 1 provides a through-hammer gripping device including:
the device comprises a grabbing position movable plate 1, an electromagnet frame 2, a guide rail 3, a drill rod 4, a through hammer 5, a push-pull electromagnet 6, a first connecting rod 7, a second connecting rod 8, a second connecting rod cap 9 and a metal sensor 10;
the grabbing position movable plate 1 and the electromagnet frame 2 are arranged in parallel according to a preset installation interval;
two guide rails 3 are arranged and symmetrically arranged on two sides of the grabbing position movable plate 1 and the electromagnet frame 2;
the drill rod 4 is arranged between the grabbing position movable plate 1 and the electromagnet support 2;
the penetrating hammer 5 is arranged below the grabbing position movable plate 1 and is detachably connected with the drill rod detecting rod 4;
the push-pull electromagnet 6 is arranged on the electromagnet frame 2 and is used for driving the first connecting rod 7 to reciprocate up and down;
the first connecting rod 7 is hinged with the push-pull electromagnet 6;
the second connecting rod cap 9 is fixedly arranged on the grabbing position movable plate 1 and is used for placing a second connecting rod 8;
the metal sensor 10 is connected with the grabbing position movable plate 1 and used for monitoring the dynamic position of the penetrating hammer 5 in real time.
Further, in an embodiment of this embodiment 1, as shown in fig. 1 to 3, the penetrating hammer grasping apparatus further includes: the magnetic sensor comprises an electromagnetic switch magnet 11, a first bracket 12, a linear bearing 13, a second bracket 14 and a metal sensor 10 bracket (not marked in the figure);
the electromagnetic switch magnet center 11 is arranged on the electromagnet frame 2 and used for mounting a limiting magnetic block (not shown in the figure);
the first bracket 12 is arranged on the electromagnet frame 2 and is fixedly connected with the push-pull electromagnet 6;
the linear bearing 13 is used for connecting the grabbing position movable plate 1 and the electromagnet frame 2 and reducing sliding friction force generated when the grabbing position movable plate 1 slides on the guide rail 3;
the second bracket 14 is fixedly arranged between the grabbing position movable plate 1 and the electromagnet support 2;
the metal sensor 10 bracket is connected with the grabbing position movable plate 1 and used for installing the metal sensor 10.
Further, in an embodiment of this embodiment 1, as shown in fig. 1 to 3, the penetrating hammer grasping apparatus further includes: the first chain link 15 is disposed above the electromagnet frame 2, and the second chain link 16 is disposed below the catching position plate 1.
It should be noted that, in the embodiment 1, the penetrating hammer gripping device can be connected with other components in the dynamic sounding apparatus through the first chain connector 15 and the second chain connector 16 to realize other functions.
Specifically, in this embodiment 1, four sets of the push-pull electromagnet 6, the first bracket 12, the first connecting rod 7, the second connecting rod 8, and the second connecting rod cap 9 are provided, and specific installation manners thereof are shown in the drawings and will not be described herein again. In addition, it should be noted that eight second brackets 14 are provided, and are uniformly distributed between the grabbing position movable plate 1 and the electromagnet support 2, and are used for fixing the grabbing position movable plate 1 and the electromagnet support 2.
Further, in an embodiment of this embodiment 1, the lower end of the first connecting rod 7 is provided with a groove (not labeled in the figure) for placing the first connecting rod 7.
Further, in an embodiment of this embodiment 1, the inner cavity (not labeled in the figures) of the second connecting rod cap 9 is an inner cavity with a certain slope, and the second connecting rod 8 can move in the limited space of the second connecting rod cap 9.
Further, in an embodiment of the present embodiment 1, as shown in fig. 1 to 3, the grasping position plate 1 and the electromagnet support 2 are further provided with a guide 3 through hole and a drill 4 through hole (not shown) for attaching the guide 3 and the drill 4.
Further, in a specific embodiment of this embodiment 1, the penetrating hammer grasping device further includes a control mechanism (not shown in the drawings) for controlling the automatic grasping of the penetrating hammer 5, the lifting of the penetrating hammer 5, and the like, and controlling data storage, data display, and the like.
Furthermore, in an embodiment of this embodiment 1, the penetrating hammer gripping device further includes a display mechanism (not shown in the figure), and the display mechanism is connected to the control mechanism in communication, and is used for displaying the number of the downward-reaching footage of the drill rod 4, so as to be convenient for an operator to view at any time.
Furthermore, in a specific embodiment of this embodiment 1, the penetrating hammer gripping device further includes a mobile power supply (not shown in the figure), and the mobile power supply is connected to the control mechanism and the metal sensor 10 to provide a corresponding power supply for the penetrating hammer gripping device, and the mobile power supply may be a storage battery.
Example 2
The application provides a terminal device, which comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor executes the computer program to realize the steps of the software program in the control mechanism of the embodiment 1.
Example 3
The present application provides a computer-readable storage medium storing a computer program that, when executed by a processor, implements the steps of a software program in a control mechanism of embodiment 1.
The working principle of the application is as follows:
when adopting this application to run through hammer grabbing device and snatching and run through hammer 5, snatching location movable plate 1 downstream, push-and-pull electro-magnet 6 does not switch on, and at this moment, the recess (not marked in the figure) of first connecting rod 7 lower extreme is snatched location movable plate 1 and is covered, and the perk is done and falls back along the inner chamber of second connecting rod block 9 to second connecting rod 8.
In addition, the top end of the through hammer 5 is designed with an arc-shaped protrusion (not marked in the figure), when the grabbing and positioning plate 1 moves downwards, the second connecting rod 8 is jacked up by the arc-shaped protrusion along the inner cavity of the second connecting rod cover cap 9, and then falls into an arc-shaped groove (not marked in the figure) of the through hammer 5.
It should be noted that the inner cavity of the second connecting rod cap 9 is an inner cavity with a certain slope (the slope can be set according to actual conditions), and by adopting the design, the through hammer 5 can be kept horizontally fixed in the lifting process, and an arc groove (not marked in the figure) of the through hammer 5 is clamped by the second connecting rod 8, so that the operation of lifting the through hammer 5 is completed.
When the through hammer 5 is lifted to a certain height (the height can be automatically set by an operator according to actual conditions), the push-pull electromagnet 6 is electrified, the grabbing position moving plate 1 moves upwards, the first connecting rod 7 is pulled up, a groove (not marked in the figure) at the lower end of the first connecting rod 7 is exposed, the second connecting rod 8 transversely moves under the action of the gravity of the through hammer 5 and enters the groove (not marked in the figure) at the lower end of the first connecting rod 7, and the through hammer 5 completes free falling motion.
Then, the push-pull electromagnet 6 is powered off, the first connecting rod 7 returns to the original position along with the push-pull electromagnet 6, and the grabbing movable plate 1 moves downwards to grab the penetrating hammer 5.
The operation process is repeated to fulfill the aim of smashing the drill rod probing rod 4.
It should be particularly noted that, the metal sensor 10 and the push-pull electromagnet 6 of the present application are both in communication connection with the control mechanism, and related control of the metal sensor 10 and the push-pull electromagnet 6 is all required to be realized through a software program in the control mechanism, and components that do not describe a connection relationship may be connected with reference to the drawings or a conventional connection means in the art, which is not limited in the present application, and the implementation of the overall technical solution of the present application is not affected by the parts that are not disclosed.
In addition, the number of each component shown in the embodiments of the present application is the best number to achieve the technical solution of the present application, and the number of the components may be adjusted according to the needs in practical applications, which is not limited in the present application, but any solution extended from the working principle and the basic structure of the present application falls within the protection scope of the present application.
The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.
Claims (7)
1. A through hammer gripping device, comprising: the device comprises a grabbing position movable plate, an electromagnet frame, a guide rail, a drill rod, a penetrating hammer, a push-pull electromagnet, a first connecting rod, a second connecting rod cap and a metal sensor;
the grabbing position movable plate and the electromagnet frame are arranged in parallel according to a preset installation interval;
the two guide rails are symmetrically arranged on two sides of the grabbing position movable plate and two sides of the electromagnet frame;
the drill rod detection rod is arranged between the grabbing position movable plate and the electromagnet frame;
the penetrating hammer is arranged below the grabbing position movable plate and is detachably connected with the drill rod;
the push-pull electromagnet is arranged on the electromagnet frame and used for driving the first connecting rod to reciprocate up and down;
the first connecting rod is connected with the push-pull electromagnet;
the second connecting rod cap is fixedly arranged on the grabbing position movable plate and is used for placing a second connecting rod;
the metal sensor is connected with the grabbing position moving plate and used for monitoring the dynamic position of the penetrating hammer in real time.
2. The through-hammer grip of claim 1, further comprising: the electromagnetic switch comprises an electromagnetic switch magnet, a first bracket, a linear bearing, a second bracket and a metal sensor bracket;
the electromagnetic switch magnet is arranged on the electromagnet frame and used for mounting a limiting magnetic block;
the first support is arranged on the electromagnet frame and is fixedly connected with the push-pull electromagnet;
the linear bearing is used for connecting the grabbing position movable plate and the electromagnet frame and reducing sliding friction force generated when the grabbing position movable plate slides on the guide rail;
the second bracket is fixedly arranged between the grabbing position movable plate and the electromagnet frame;
the metal sensor support is connected with the grabbing position moving plate and used for installing the metal sensor.
3. The through-hammer grip of claim 2, further comprising: the first chain connecting piece is arranged above the electromagnet frame, and the second chain connecting piece is arranged below the grabbing position movable plate.
4. A through-hammer gripping device according to claim 3, wherein the lower end of the first connecting rod is provided with a recess for receiving the first connecting rod.
5. The through hammer gripping device of claim 4, wherein the cavity of the second connecting rod cap is a tapered cavity, and the second connecting rod is movable within the limited space of the second connecting rod cap.
6. The through-hammer gripping device according to any one of claims 1-5, further comprising a control mechanism for controlling automatic gripping of the through-hammer and lifting of the through-hammer.
7. The through-hammer grip of any one of claims 1-5, further comprising a mobile power source electrically connected to both the control mechanism and the metal sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210253631.9A CN114538077B (en) | 2022-03-15 | 2022-03-15 | Through hammer grabbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210253631.9A CN114538077B (en) | 2022-03-15 | 2022-03-15 | Through hammer grabbing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114538077A true CN114538077A (en) | 2022-05-27 |
| CN114538077B CN114538077B (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210253631.9A Active CN114538077B (en) | 2022-03-15 | 2022-03-15 | Through hammer grabbing device |
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| Country | Link |
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| CN (1) | CN114538077B (en) |
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| WO2016012439A1 (en) * | 2014-07-21 | 2016-01-28 | Altergon Italia S.R.L. | Cup catcher device |
| CN206146727U (en) * | 2016-09-25 | 2017-05-03 | 湖南军成科技有限公司 | Novel carry hammer and safe calliper device |
| CN210315486U (en) * | 2019-07-29 | 2020-04-14 | 广东省地质装备中心 | Light-duty power sounding is with hammering ware and light-duty power sounding appearance |
| CN112629797A (en) * | 2021-02-05 | 2021-04-09 | 沈阳工业大学 | Vertical high-speed impact testing machine capable of generating negative waves |
| CN113369179A (en) * | 2021-05-31 | 2021-09-10 | 上海电机学院 | Electromagnetic auxiliary gripping device |
| CN214224821U (en) * | 2021-01-21 | 2021-09-17 | 中彬检测有限公司 | Safe type drop hammer impact testing machine |
| CN215848211U (en) * | 2021-08-30 | 2022-02-18 | 黑龙江职业学院 | Manipulator for electronic machining |
-
2022
- 2022-03-15 CN CN202210253631.9A patent/CN114538077B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016012439A1 (en) * | 2014-07-21 | 2016-01-28 | Altergon Italia S.R.L. | Cup catcher device |
| CN206146727U (en) * | 2016-09-25 | 2017-05-03 | 湖南军成科技有限公司 | Novel carry hammer and safe calliper device |
| CN210315486U (en) * | 2019-07-29 | 2020-04-14 | 广东省地质装备中心 | Light-duty power sounding is with hammering ware and light-duty power sounding appearance |
| CN214224821U (en) * | 2021-01-21 | 2021-09-17 | 中彬检测有限公司 | Safe type drop hammer impact testing machine |
| CN112629797A (en) * | 2021-02-05 | 2021-04-09 | 沈阳工业大学 | Vertical high-speed impact testing machine capable of generating negative waves |
| CN113369179A (en) * | 2021-05-31 | 2021-09-10 | 上海电机学院 | Electromagnetic auxiliary gripping device |
| CN215848211U (en) * | 2021-08-30 | 2022-02-18 | 黑龙江职业学院 | Manipulator for electronic machining |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114538077B (en) | 2024-02-23 |
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