CN214243507U - Intelligent detection device for no-load hoisting capacity - Google Patents
Intelligent detection device for no-load hoisting capacity Download PDFInfo
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- CN214243507U CN214243507U CN202023242534.5U CN202023242534U CN214243507U CN 214243507 U CN214243507 U CN 214243507U CN 202023242534 U CN202023242534 U CN 202023242534U CN 214243507 U CN214243507 U CN 214243507U
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Abstract
The utility model provides a no load hoisting capacity intellectual detection system device, it includes the support frame, the inner tube, the urceolus, wire rope, bolt and pressure sensor, the top and the support frame of urceolus can be dismantled and be connected, the inner tube cover is established in the urceolus, wire rope's one end is connected with the inner tube, the other end is used for being connected with the hoist that awaits measuring, be provided with first through-hole on the radial extending direction of inner tube periphery wall, the bolt is inserted and is located in the first through-hole, be provided with the clearance between first through-hole and the knock pin, the both ends of bolt outwards extend respectively and are connected with the urceolus lateral wall, bobbin base portion and contact with the bolt including pressure sensor sets up, when wire rope tractive inner tube upwards removes for the urceolus, pressure sensor extrudees the bolt and produces pressure signal. The utility model discloses a detection dress need not to add the load and carries out the sample, alright safe, swift, more audio-visual accurate reflection hoist atress situation of change, is convenient for predict lifting capacity in advance, makes safety protection or corrective measure in advance.
Description
Technical Field
The utility model relates to a jack-up technical field especially relates to a no load hoisting capacity intellectual detection system device.
Background
The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as overhead traveling cranes, gantry cranes, when lifting by a machine, all need to be hung to fix objects, and for lifting machines with a large range of lifting weight, the load capacity of the pull rope is required to be large, so the load capacity of the crane needs to be detected.
The traditional crane load capacity detection mode adopts a weight trial weight mode for multiple times, repeated impact-free loading is carried out for multiple times, and the crane load capacity over-limit value is obtained, so that accurate data can not be rapidly and accurately obtained. Moreover, a crane using the chain hoist as a hoisting mechanism needs to lift 1.6 times of rated load capacity to verify whether the safety clutch slips or not, and the load capacity of the crane far exceeds 1.25 times of rated load capacity of a static load test, so that the crane has potential damage to metal structures such as a main beam and the like, reduces the bearing capacity of the crane, and even has the safety accidents of structural plastic deformation or damage, falling and the like.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a no load lifting capacity intellectual detection system device solves among the prior art and carries out hoist load capacity through the weight mode of trying on a weight and detect, and the troublesome poeration that brings detects not directly perceived, has the problem of certain potential safety hazard.
The technical scheme of the utility model is realized like this: the utility model provides a no load hoisting capacity intellectual detection system device, it includes the support frame, still includes inner tube, urceolus, wire rope, bolt and pressure sensor, the top of urceolus can be dismantled with the support frame and be connected, the inner tube cover is established in the urceolus, and wire rope's one end is connected with the inner tube, and the other end is used for being connected with the hoist that awaits measuring, is provided with first through-hole on the radial extending direction of inner tube periphery wall, the bolt is inserted and is located in the first through-hole, is provided with clearance between first through-hole and the knock pin, and the both ends of bolt outwards extend respectively and are connected with the urceolus lateral wall, and pressure sensor sets up including the bobbin base portion and contact with the bolt wire rope tractive inner tube when upwards moving for the urceolus, pressure sensor extrusion bolt produces pressure signal.
On the basis of the technical scheme, it is preferred, the inner tube top is provided with the mounting groove, be provided with on the urceolus lateral wall with the corresponding logical groove of mounting groove, be provided with the mounting that is used for fixed wire rope in the mounting groove, be provided with the draw-in groove that is used for joint wire rope rigging on the mounting, the lateral wall of mounting groove is provided with the glass pearl screw, and the bottom surface of mounting groove is provided with first locating hole, be provided with on the mounting lateral wall with glass pearl screw matched with second locating hole, the mounting bottom surface be provided with first locating hole matched with locating pin, it is connected with the snap ring that is used for protecting the mounting to rotate on the urceolus perisporium that leads to the groove place.
Preferably, an upper cover is further arranged between the support frame and the outer cylinder, the lower end of the upper cover is in threaded connection with the outer cylinder, the upper end of the upper cover is in threaded connection with the support frame, and a through hole for a steel wire rope to pass through is formed in the axial line of the upper cover.
On the basis of the above technical scheme, preferably, a second through hole for inserting the plug pin is formed in the radial extending direction of the outer peripheral wall of the outer cylinder, and the second through hole is in clearance fit with the plug pin.
Further, preferably, a guide pin is fixedly arranged on the circumferential wall of the plug pin where the first through hole is located along the radial direction of the circumferential wall, the guide pin faces the top end direction of the inner barrel, a guide hole communicated with the mounting groove is formed in the inner wall of the first through hole, and the guide pin is inserted into the guide hole and can move up and down along the guide hole.
Further, preferably, the pressure sensor further comprises a lower cover, the upper end of the lower cover is in threaded connection with the bottom end of the inner cylinder, the pressure sensor is fixed in the lower cover, and the detection end of the pressure sensor is inserted into the cavity of the inner cylinder, extends upwards and is in contact with the plug pin.
Further, it is preferable that the bottom surface of the plug is provided with a flat surface in contact with the pressure sensor along an axial direction thereof.
On the basis of the technical scheme, preferably, a mounting cavity is arranged in the lower cover, a single chip microcomputer and a wireless communication assembly are arranged in the mounting cavity, the single chip microcomputer is connected with the pressure sensor, and the wireless communication assembly is connected with the single chip microcomputer and used for performing wireless communication with terminal equipment so as to send the pressure signal to the terminal equipment.
Further, preferably, the wireless communication assembly comprises a wireless communication module, the wireless communication module is arranged in the installation cavity, the input end of the wireless communication module is used for receiving an output signal of the terminal device, and the output end of the wireless communication module is connected with the single chip microcomputer.
Furthermore, preferably, a blocking cover is further disposed at the bottom of the lower cover, and the wireless communication assembly further includes an antenna device disposed in the blocking cover, wherein the antenna device is connected to an input end of the wireless communication module, and is configured to receive or transmit a signal to the terminal device.
The utility model discloses following beneficial effect has for prior art:
(1) the utility model discloses a no load hoisting capacity intellectual detection system device, through setting up the support frame, and it is fixed with the crane crossbeam to support the frame, examine time measuring, it is fixed with the support frame through the urceolus, wire rope is connected with the hoist, through starting the hoist to the wire rope tractive, wire rope drives the inner tube and for urceolus rebound, the inner tube is at rebound's in-process, order about pressure sensor and extrude fixing the bolt on the urceolus, thereby turn into compressive stress with the tensile stress, and then can accurately reflect hoist atress situation of change, be convenient for predict the loading capacity of hoist. The utility model discloses a detection device, simple structure need not to add the load and carries out the sample, safe, swift, more directly perceived accurate reflects the hoist atress situation of change, is convenient for predict the lifting capacity in advance, makes safety protection or corrective measure in advance.
(2) Through set up the mounting groove in the inner tube to set up the mounting, conveniently fix the mounting in the mounting groove, utilize the mounting to lock the wire rope rigging simultaneously, avoid when hoist tractive wire rope, wire rope drops or skids.
(3) Through set up the uide pin on the bolt to at the guiding hole that first through-hole inner wall set up and be linked together with the mounting groove, when making things convenient for the relative urceolus rebound of inner tube, bolt accessible uide pin reciprocates in the guiding hole, avoids the bolt to move at axial direction cluster.
(4) Through set up the wireless communication subassembly in the lower cover, the terminal is given through wireless mode transmission to the pressure value data that conveniently acquires pressure sensor, conveniently masters the hoist atress situation of change in real time, carries out the integrated analysis, makes safety protection or corrective measure in advance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the working state of the intelligent detection device for the non-load lifting capacity of the utility model;
fig. 2 is a schematic perspective view of the intelligent detection device for unloaded lifting capacity of the present invention;
fig. 3 is an exploded schematic view of the intelligent detection device for unloaded lifting capacity of the present invention;
fig. 4 is a schematic structural diagram of the fixing member disclosed in the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1, with reference to fig. 2-3, an embodiment of the present invention discloses an intelligent detection device for unloaded lifting capacity, which includes a support frame 1, an inner cylinder 2, an outer cylinder 3, a steel wire rope 4, a plug 5 and a pressure sensor 6.
Support frame 1, with the vertical fixed connection of crossbeam S of hoist, it is preferred, support frame 1 is the Y type setting for like this, make support frame 1 and crossbeam form triangle-shaped stable structure, be convenient for carry out mechanics testing.
The top end of the outer cylinder 3 is detachably connected with the support frame 1, and preferably, the outer cylinder 3 can be connected with the bottom end of the support frame 1 in a threaded screwing mode in use.
The inner cylinder 2 is sleeved in the outer cylinder 3, and the inner cylinder 2 is in clearance fit with the outer cylinder 3, so that the inner cylinder 2 can move up and down relative to the outer cylinder 3, preferably, the clearance is 0.5mm-1mm, and therefore, the shaking between the inner cylinder 2 and the outer cylinder 3 can be reduced.
One end of the steel wire rope 4 is connected with the inner barrel 2, and the other end of the steel wire rope is used for being connected with a crane to be tested.
The radial extension direction of the outer peripheral wall of the inner barrel 2 is provided with a first through hole 21, the plug pin 5 is cylindrical, the plug pin 5 is inserted into the first through hole 21, a movable gap is arranged between the first through hole 21 and the ejector pin, the movable gap is preferably 2mm-3mm, therefore, the plug pin 5 can move up and down in the first through hole 21, and two ends of the plug pin 5 respectively extend outwards and are connected with the side wall of the outer barrel 3.
The pressure sensor 6 is arranged at the bottom of the inner barrel 2 and is in contact with the plug pin 5, the testing end of the pressure sensor 6 and the plug pin 5 are kept in a pre-extrusion state in an initial state, and at the moment, the pressure sensor 6 has no pressure value.
When the steel wire rope 4 pulls the inner cylinder 2 to move upwards relative to the outer cylinder 3, the pressure sensor 6 presses the plug pin 5 to generate a pressure signal.
Adopt above-mentioned technical scheme, through setting up support frame 1, and it is fixed with the crane crossbeam to support frame 1, when detecting, it is fixed with support frame 1 through urceolus 3, wire rope 4 is connected with the crane, through starting the crane to wire rope 4 tractive, wire rope 4 drives inner tube 2 and upwards removes for urceolus 3, inner tube 2 is at the in-process of rebound, order about pressure sensor 6 and extrude fixing bolt 5 on urceolus 3, thereby turn into compressive stress with tensile stress, and then can accurately reflect the hoist atress situation of change, be convenient for predict the load capacity of hoist. The utility model discloses a detection device, simple structure need not to add the load and carries out the sample, safe, swift, more directly perceived accurate reflects the hoist atress situation of change, is convenient for predict the lifting capacity in advance, makes safety protection or corrective measure in advance.
Specifically, the utility model discloses still realize through following technical scheme.
For firm in connection between for the convenience of wire rope 4 and inner tube 2, also be convenient for simultaneously wire rope 4 can easily realize dismantling with inner tube 2, the utility model discloses a technical scheme be: the top end of the inner cylinder 2 is provided with a mounting groove 22, the side wall of the outer cylinder 3 is provided with a through groove 31 corresponding to the mounting groove 22, and is also provided with a fixing piece 7, as shown in figures 3 and 4, the fixing piece 7 can be mounted in the mounting groove 22 through the through groove 31, the fixing piece 7 is provided with a clamping groove 71 for clamping the steel wire rope 4 rigging, therefore, the steel wire rope 4 rigging can be firmly clamped by the clamping groove 71, the steel wire rope 4 is firmly connected with the inner cylinder 2 through the fixing piece 7, in order to firmly fix the fixing piece 7 in the mounting groove 22, the side wall of the mounting groove 22 is provided with a bead screw 221, the bottom surface of the mounting groove 22 is provided with a first positioning hole 222, the side wall of the fixing piece 7 is provided with a second positioning hole 72 matched with the bead screw 221, the bottom surface of the fixing piece 7 is provided with a positioning pin 73 matched with the first positioning hole 222, therefore, when the fixing piece 7 is inserted into the mounting groove 22, firstly, the glass bead screw 221 on the inner side wall of the mounting groove 22 is matched with the second positioning hole 72 on the side wall of the fixing piece 7, and finally, the positioning pin 73 is inserted into the first positioning hole 222 on the bottom surface of the mounting groove 22, and finally, the fixing piece 7 is firmly fixed in the axial direction of the inner cylinder 2. A snap ring 311 for protecting the fixing member 7 is rotatably connected to the circumferential wall of the outer cylinder 3 where the through groove 31 is located. Adopt such technical scheme, when carrying out mounting 7 installation, rotatory snap ring 311 to make snap ring 311's breach and lead to groove 31 and align, mounting 7 installation back is accomplished, rotates 180 with snap ring 311, thereby makes snap ring 311 surround mounting 7, and is further, protects mounting 7, avoids mounting 7 to deviate from in the mounting groove 22.
Preferably, an upper cover 8 is further disposed between the support frame 1 and the outer cylinder 3, a lower end portion of the upper cover 8 is in threaded connection with the outer cylinder 3, an upper end portion of the upper cover 8 is in threaded connection with the support frame 1, and a through hole through which the wire rope 4 passes is disposed at an axial line of the upper cover 8. Thus, the inner cylinder 2 and the outer cylinder 3 can be protected by providing the upper cover 8.
In order to facilitate installing bolt 5 in the first through-hole 21 of 2 radial directions on the inner tube, keep static relatively with urceolus 3 again simultaneously, the utility model discloses a technical scheme be: a second through hole 32 into which the plug 5 is inserted is provided in the radially extending direction of the outer peripheral wall of the outer cylinder 3, and the second through hole 32 is loosely fitted with the plug 5, whereby, when the plug 5 is mounted, after the second through hole 32 and the first through hole 21 are aligned, the plug 5 is inserted from the second through hole 32 on one side of the outer cylinder 3, passes through the first through hole 21 on the inner cylinder 2, and then protrudes from the second through hole 32 on the opposite side of the outer cylinder 3.
In order to make bolt 5 not take place the axial and move at the testing process, the utility model discloses a technical scheme be: the peripheral wall of the plug pin 5 where the first through hole 21 is located is fixedly provided with a guide pin 51 along the radial direction, the guide pin 51 faces the top end direction of the inner cylinder 2, the inner wall of the first through hole 21 is provided with a guide hole 211 communicated with the mounting groove 22, and the guide pin 51 is inserted into the guide hole 211 and can move up and down along the guide hole 211. Therefore, the guide pin 51 is arranged on the plug pin 5, and the guide hole 211 communicated with the mounting groove 22 is arranged on the inner wall of the first through hole 21, so that when the inner cylinder 2 moves upwards relative to the outer cylinder 3 conveniently, the plug pin 5 can move upwards and downwards in the guide hole 211 through the guide pin 51, and the plug pin 5 is prevented from moving in the axial direction. It should be noted that the guide hole 211 is communicated with the mounting groove 22, so that the guide pin 51 can be conveniently inserted into the guide hole 211 through the mounting groove 22 and connected with the plug pin 5, thereby achieving convenient installation.
The utility model discloses a detection device still includes lower cover 9, the upper end of lower cover 9 and the bottom threaded connection of inner tube 2, and pressure sensor 6 is fixed in lower cover 9, and its pressure sensor 6's sense terminal inserts in the 2 cavitys of inner tube and upwards extends and contact with bolt 5. By adopting the technical scheme, on one hand, the lower cover 9 can conveniently fix the pressure sensor 6, and meanwhile, the lower cover 9 can be detachably connected with the inner cylinder 2, so that the pressure sensor 6 can be detached from the inner cylinder 2; on the other hand, through setting up lower cover 9, conveniently install singlechip and wireless communication subassembly described below.
Preferably, the bottom surface of the plug 5 is provided with a flat surface in contact with the pressure sensor 6 in the axial direction thereof. By adopting the technical scheme, under the initial state, the detection end of the pressure sensor 6 is pre-extruded with the plane of the bottom surface of the plug pin 5, and when the detection is carried out, the stress area can be increased through plane contact, so that the test data is more accurate.
In order to realize data communication of the pressure sensor 6, an installation cavity is further arranged in the lower cover 9 in the embodiment, a single chip microcomputer 10 and a wireless communication component 11 are arranged in the installation cavity, the single chip microcomputer 10 is connected with the pressure sensor 6, and the wireless communication component 11 is connected with the single chip microcomputer 10 and used for carrying out wireless communication with a terminal device so as to send a pressure signal to the terminal device. The wireless communication assembly 11 includes a wireless communication module 111, the wireless communication module 111 is disposed in the installation cavity, an input end of the wireless communication module 111 is used for receiving an output signal of the terminal device, and an output end of the wireless communication module 111 is connected to the single chip microcomputer 10.
Preferably, the wireless communication module 111 may be an NB-IOT (narrow-band internet of things) wireless communication module, or an LORA module, and other wireless communication modules may also be used as long as they can wirelessly communicate with the terminal device and transmit data, which is not listed here. The terminal device may be a remote server, a personal computer, a mobile phone, or other device capable of receiving and storing data. After the pressure sensor 6 extrudes the plug pin 5 to obtain pressure data, the pressure data can be equal to the tension of the steel wire rope 4 under the condition of neglecting the weight of each part, a data signal detected by the pressure sensor 6 is transmitted to the single chip microcomputer 10, the single chip microcomputer 10 transmits the signal to the terminal equipment through the wireless communication module 111, the stress change condition of the crane can be conveniently mastered in real time, comprehensive analysis is carried out, and safety protection or correction measures are made in advance.
Further, the bottom of the lower cover 9 is further provided with a blocking cover 12, the wireless communication assembly 11 further includes an antenna device 112 disposed in the blocking cover 12, and the antenna device 112 is connected to an input end of the wireless communication module 111, and is configured to receive or transmit signals to a terminal device.
Alternatively, a plurality of O-rings 33 are provided on the circumferential wall of the outer cylinder 3, and the outer cylinder 3 can be prevented from slipping by the O-rings 33 when the outer cylinder is attached to the support frame 1 and held by hand.
The outer end face of the lower cover 9 is provided with anti-slip lines for facilitating screwing and force application in the process of mounting the lower cover 9 and the inner barrel 2, and meanwhile, slipping is avoided.
The utility model discloses a theory of operation is:
the method comprises the steps of fixing a support frame 1 and a crane beam, connecting the lower end of an upper cover 8 with the top end of an outer cylinder 3 in a threaded manner, connecting the upper end of the upper cover 8 with the bottom end of the support frame 1 in a threaded manner, firmly connecting one end of a steel wire rope 4 with an inner cylinder 2 through a fixing piece 7, fixing the other end of the steel wire rope 4 on a crane, when the load capacity of the crane is detected, upwards drawing the steel wire rope 4 by starting the crane, driving the inner cylinder 2 to move upwards relative to the outer cylinder 3 through the steel wire rope 4, keeping a bolt 5 still and the outer cylinder 3 all the time, driving a pressure sensor 6 to extrude the bolt 5 fixed on the outer cylinder 3 in the process of upwards moving the inner cylinder 2, converting the tensile stress into a compressive stress, and reflecting the tensile value of the crane on the premise of not considering the gravity of each part, so as to accurately reflect the stress change condition of the crane, the load capacity of the crane can be conveniently predicted.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a no load lifting capacity intellectual detection system device, its includes support frame (1), its characterized in that: still include inner tube (2), urceolus (3), wire rope (4), bolt (5) and pressure sensor (6), the top and support frame (1) of urceolus (3) can be dismantled and be connected, inner tube (2) cover is established in urceolus (3), and the one end of wire rope (4) is connected with inner tube (2), and the other end is used for being connected with the hoist that awaits measuring, is provided with first through-hole (21) on the radial extending direction of inner tube (2) periphery wall, bolt (5) are inserted and are located in first through-hole (21), are provided with the clearance between first through-hole (21) and the knock pin, and the both ends of bolt (5) are outwards extended respectively and are connected with urceolus (3) lateral wall, and pressure sensor (6) set up and contact in inner tube (2) bottom and bolt (5) wire rope (4) tractive inner tube (2) when upwards moving for urceolus (3), the pressure sensor (6) extrudes the bolt (5) to generate a pressure signal.
2. The intelligent detecting device for the non-load lifting capacity of claim 1, wherein: the top end of the inner cylinder (2) is provided with a mounting groove (22), the side wall of the outer cylinder (3) is provided with a through groove (31) corresponding to the mounting groove (22), a fixing piece (7) for fixing the steel wire rope (4) is arranged in the mounting groove (22), the fixing piece (7) is provided with a clamping groove (71) for clamping a rigging of the steel wire rope (4), the side wall of the mounting groove (22) is provided with a glass bead screw (221), the bottom surface of the mounting groove (22) is provided with a first positioning hole, a second positioning hole (72) matched with the glass bead screw (221) is arranged on the side wall of the fixing piece (7), the bottom surface of the fixing piece (7) is provided with a positioning pin (73) matched with the first positioning hole, and a clamping ring (311) used for protecting the fixing piece (7) is rotatably connected to the peripheral wall of the outer barrel (3) where the through groove (31) is located.
3. The intelligent detecting device for the non-load lifting capacity of claim 2, wherein: an upper cover (8) is further arranged between the support frame (1) and the outer barrel (3), the lower end portion of the upper cover (8) is in threaded connection with the outer barrel (3), the upper end portion of the upper cover (8) is in threaded connection with the support frame (1), and a through hole for the steel wire rope (4) to pass through is formed in the axial lead of the upper cover (8).
4. The intelligent detecting device for the non-load lifting capacity of claim 2, wherein: be provided with on the radial extending direction of urceolus (3) periphery wall and supply bolt (5) male second through-hole (32), second through-hole (32) and bolt (5) clearance fit.
5. The intelligent detection device for the unloaded lifting capacity of claim 4, wherein: the inner wall of the first through hole (21) is provided with a guide hole (211) communicated with the mounting groove (22), and the guide pin (51) is inserted into the guide hole (211) and can move up and down along the guide hole (211).
6. The intelligent detecting device for the no-load lifting capacity of claim 5, wherein: the pressure sensor is characterized by further comprising a lower cover (9), the upper end of the lower cover (9) is in threaded connection with the bottom end of the inner barrel (2), the pressure sensor (6) is fixed in the lower cover (9), and the detection end of the pressure sensor (6) is inserted into the cavity of the inner barrel (2), extends upwards and is in contact with the plug pin (5).
7. The intelligent detection device for the unloaded lifting capacity of claim 6, wherein: the bottom surface of the plug pin (5) is provided with a plane which is in contact with the pressure sensor (6) along the axial direction.
8. The intelligent detection device for the unloaded lifting capacity of claim 6, wherein: the pressure sensor is characterized in that a mounting cavity is formed in the lower cover (9), a single chip microcomputer (10) and a wireless communication assembly (11) are arranged in the mounting cavity, the single chip microcomputer (10) is connected with the pressure sensor (6), and the wireless communication assembly (11) is connected with the single chip microcomputer (10) and used for being in wireless communication with a terminal device so as to send the pressure signal to the terminal device.
9. The intelligent detecting device for the non-load lifting capacity of claim 8, wherein: the wireless communication assembly (11) comprises a wireless communication module (111), the wireless communication module (111) is arranged in the installation cavity, the input end of the wireless communication module (111) is used for receiving an output signal of terminal equipment, and the output end of the wireless communication module (111) is connected with the single chip microcomputer (10).
10. The intelligent detecting device for the non-load lifting capacity of claim 9, wherein: the bottom of the lower cover (9) is further provided with a blocking cover (12), the wireless communication assembly (11) further comprises an antenna device (112) arranged in the blocking cover, and the antenna device is connected with the input end of the wireless communication module (111) and used for receiving or sending signals to the terminal equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023242534.5U CN214243507U (en) | 2020-12-29 | 2020-12-29 | Intelligent detection device for no-load hoisting capacity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023242534.5U CN214243507U (en) | 2020-12-29 | 2020-12-29 | Intelligent detection device for no-load hoisting capacity |
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| CN214243507U true CN214243507U (en) | 2021-09-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116177394A (en) * | 2022-09-21 | 2023-05-30 | 武汉且研科技有限公司 | Intelligent detection device for lifting capacity of load-free crane with high safety |
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2020
- 2020-12-29 CN CN202023242534.5U patent/CN214243507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116177394A (en) * | 2022-09-21 | 2023-05-30 | 武汉且研科技有限公司 | Intelligent detection device for lifting capacity of load-free crane with high safety |
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